ML062910513

TVAW001-RPT-001, Rev. 0, Report on Watts Bar, Unit 1 Containment Building Walkdowns for Emergency Sump Strainer Issues.

ML062910513
Person / Time
Site:	Watts Bar
Issue date:	08/24/2004
From:	Caldwell M D, Smith J A, Sollie M Enercon Services
To:	Office of Nuclear Reactor Regulation
References
GL-04-002, TAC MC4730 TVAW001-RPT-001, Rev. 0
Download: ML062910513 (340)

Text

{{#Wiki_filter:Enercon Services, Inc.TVAWOO1-RPT-001, REV. 0 Report on Watts Bar Unit 1 Containment Building Walkdowns for Emergency Sump Strainer Issues

• .:.. ....Rsporl No. ...RPT.00).i{cvisiocni 0 A ug ust 2 {"4,i30..... ...... -........ ..............

......... ... .. -..- ....... ... -Report on Watts.Bar Unlit I Containment Building WXahkdowns for Emergency Sump Strainer Issues Prepared by., ENE'RCON SERVICES INC.O)riginator Michael 1).Reviewer Mike SO.. DAte Approval ., Aaroy Smith L -14f /* ! ""~ @ i .Date , 1 8/24/04 8,2 4/04 8/24/04

• .;':i;:%,.Re-.pu,.tE No, "VAWO01 -.I.Revision 0 ,........-.
• .Au.usi 24 : 'tMOM-: "~~rr.
• IrT Ti'aIbe of Contents TITLE PAGE NO.PU R PO SE .............

................................. ..... ................................................ .4 M ETH O D O LO G Y .............................................................................................. 5 W ALKDOW NS APPROACH .................... ...................................................... 7 DOCUfMENTA'I'ION OF: WAI.,KDOWNS .7 R E S UTU., S ............................. -.................. ........ .. ... 1 -.......... ... ...I.-......... ............. 1 C.ONCLUSIONS ......... ... ....... .......... ... .... ...... ....... ....... .............. 15 REFEREN CES .......................................................... .................................. 17 ATTACHMEN TS NO. PAGES A Letter JAS03-049. TVA-A03.-30(Y2,2 -hMoposal for 1 0 Watts Bar Containntent Debris Source WalkdoWns" B TVA Contract No. 00029353 19 C TVAW0i...PROC-0l, Rev. Containment alkdon 12 Procedure f'or Potential Sump Screen Debris Sources at Watts. Bar Nuclear Plant., Tennessee Valley Authorit"v D) Walkdown 'Tean: embers 2 E Sump Configuration Walkdown 23 F Containment Geotnetrv/Rec.ircuation Flow Paths Walkdown :29 (3 Containment. Coatings Walkdown1 7 H* List of insuflation Volumes Induding Line/Problem Numbers 44 and Corresponding Walkdown Package I Area Map for Insulation Walkdown Packages................................................................. ...... ..................................... ....................................................................................... -Plage2 of 23 .. ....Reoi V VAWOOI 4RPT4X0i R~veiicon 0...... ........................................... ....---ATTACH.N'ENTS j Walkcdown Packages Binder i Binder 2 Binder 3 Binder 4 K Sample Package Chaneg Notice NO. PAGES 6 298 319 240 146...... .......Pawv 3 of 123 .IRNpAWrt No. TVAXO J- RPT-Q) I SIii: ..Rerot on Watts Bar UnIt' Walkdowns for Insulation and Debris Inside the Containment Building PURPOSE The purpose of the walkdowns was to identV..potentiai debris sources, to document containment flow paths into the sump area, and to docurerit. areas around the emergency sump for future strainer en~han~cements, Debris sources were identified as any materials that could contribuke to the "mergey Sumip Screens blockage, with empbasis oa fibrous insulation .naterials .(Attaehments H and J), non-qualified coatings (Attachment G), and any otberr.materials such that the available NPSH for ECCS and Co'itai..'ient Reeirculation SprayPumps Would become unaccepiable f.i1MWirig a DesigR Basis Accident thatrequires reeirculation from the.Emergency Surmp.Containment flow paths were evaluated (Attachmiiefnt. F) to identify unique debris sourcles;interferences and obstacles applicable to debris generation: and holdup places of water volurme.inactive sumps, and potential waterflow paths. The physiCa!st'ucural fe.atures that will affect the flowv of debris and water from a potential break. location to the sump were documented. '111e last pad of the walkdown was to document the existing emergency sump straine," and the area around the strainer (Attachment E) for the purpose of considering preliminary locations for addtional strainer en.hancements, The strainer and its immediate surroundings were investigated to identify potnhifl locations and :to document existing interfrence. The walkdown was documn'ented with digital photographs to assist in the subsequent development of strainer enhancerments, it necessary. The walkdowns were initia'ted by TVA (Contract 0i)0029353, Attachment B) to pursue Watts Bar compliance with the GSI 19i issues pr.esently being addressed by the PWR nuckear industry.The need to perform debris generation analysis. debris transport analysis, NPSH evaluations. and evaluations of additional strainer enhancements will be determined using NRC iidance/reaulatiotms and this report as an input...... ............ Pavez 4 el 2S Repot" No. T'VAW001 -RPT-O01.August 24, 200.?:i:rtn..:

rA:!:: METHODOLOGY The overall process for preliminary resolution of GSI-191 concerns consists of-thei lo.lowing 5 tasks, as discussed in Letter JAS3-..049 (Attachayient A);[ask No, I .-Preparat ion for Con.tainmentI Waikdowns Tas..sk No. 2 -.Debris Source Walkdowns Tak No3 Coatings Walkd o w n Task No. 4 ,-Sump Area Walkdown T ark No. S ..- Walkdown, Report This repo5l (Task No. 5) the completion and results of Tasks No. I through Task No. 5.It should be noted that further efforts a'e required to ccympietely resolve the GSM 9. issue, such as the preparation of a debris generation report a'd debris transpor analysis.

These additional tasks are not included. in, the scope of this report.The fIbliowing approach was used to perform a conmprehensive containrn'rt walkiowr for possible materials that co contribute to the E-mgergency Sump blockage: I.. Develop a thorouga ijnderst:fanid..Tgi. or the :suim"p blockage issue.GS 191: Parametric Evaluations flor Pressurized Water Reactor Recirculation, Su-p Performance (1..A-4R-01-4083) and NEI 02-.01 Condition Assessment Gtuidelines: Debris Sources inside PWR Containments.. Revisiomn I were reviewed.Sourcest~n Buildin 1., l...2t Develop a thorough understanding of the Watts Bar Unit I Containment Buildin..g Lao'ut..General arrangement drawin.,g were reviewed with emphaksis on major components for ease of ideneifiw.tion of exact locations during walkdowns. Containment equipment .location drawings and plan rview piplpi' drawings coritainrnent quadrant) were reviewed to determine the most efficient plan to complete the walkdowns. In addition to drawings, Watt.s, Bar 'Unit 2 was .u-tilized as a mockup to .famili'arize the walkdown team with equipment locat.tons-n geemral. unit layout prior to entry itnto Unit I, 3. Dievelop a thorough understariding of the types ol insulation allowed t"or cotaitnimrrent use for nmehanical

and non -meehanicai.

applications. TVA Site Specitfic Engineering S..ecific,.tion N3M-94,36. Rev. 4, for "Inlstaiation, Modification, and Maintenance of :leat and Anti-Sweat .tnsuhuaion"", I'TA General Engineering Specification G*-82, Rev. 2, "Instalatiori, Modification, and M aintenance of instulation". WB-DC-30-4. Searatio olation and Engineering Design Standad D1'-N 1.7.2.2, Rev. 5. "Electrical Raceway Fire Barrier Systeems" were reviewed to determine insulation classes and general installation informttion. Additionally, experienced TV.A[Insulation Craft and .Engineering personnel wvere utilized to in order to familiarize the walkdown team withe types-,,., of insulation used at Watts Bar.Page ..' * " .3s Rcision 0.... A.ui R u~tn 24, TVA 00-9T.4.. ......................... .;,R e i k 0 4. Review systems and present in the Conttaiirnent Buildiin.Prcviou, exptenece of the walkdown engineering personnel, intemriews with plant personnel, review of Pipin.g and lnstrumentation Diagrams, and review of other piping layout drawings provided .a gereral ulderst.and.ing of the. areas to be examined. ossible insulation ilsed on electrical comptorients arind piping penetrations was d"iscussed with the cogn'zant engineering -personnel. Major components insulaton was confirmed by wal.k.downs ard compared witi design drawings (where avai"ahble).

5. Identify ALARA, safety. and access lihmiations.

All personnel involved in the walkdownis were RWTP and Safety trained fbr work at. Wiat.,t Bar Urtit 1. Additionally, Watts Bar Radiation Control Personnel provided an extensive ALARA briefing prior to lhe fiirst cortainrment entiy. Thereafter, Rdaioa.er. were constulted prior to each entry to identify any changes that may have occurred. A pre-job briefing was given byTVA personnel to discu,.s the. walkdown olbjective and methods.The RWP used (80)10) did not allow access o the Exce.s l.,Itdown / Regenerative.e Exchanger Room or the Reactor Cavity/Keyway. Insulation Tnateriids were estimated based on drawing. reviews and discussions with TVA personnel. 6, Develop an understandiax; of the analysis .methoxlology for debris generation and transpolt. mrech'anism.- of the debris to theEmergenicy Sumnp and s up blockage.In :add.hidion to the activities described in 1 :ahove, the engineering personnel involved in the waWkdols reviewed the vardious scenarios that are part of Watts Bar Unit I design basis to better understand the various break sizes, locations, ,vaiatle/r.qoired water inventoric.s, time when recirculation pumps suction is being ,,,witched fror the RWST to tihe emergency snp, ranso.t phen.omena and velocities, sump screen design and size of openir;.s, contair...nent recirculation spray heads ...P. ellings, etc.Review industry experience or .walkdowns as well as ongoing fiNERCON personnel waikdown experience, previous strainer design experiece, NEI guidance arid Industry Meetings information orn the subject were integrated in,.,) the walkdcowns.

8. Utilize experienced personnel.

The engineering personnel involved in the waikdowns, including those who provided leadershlip for the walkdown,, teams were experienced engineers. The project .tearm had exte:nsive expe'ience in developing debris walkdown reports and debris generation repo1,s. experience mIclutded systems, sump designs, post Accident DL.A, MSLB and ,LB, analysis, indat~i-on tNp-,e, nsec. in conum nwnn.t and coating systems, containment walkdowns and related cmergency sump b ockage, issues.<f6 of 23 R,.orl No. TVAW(X) I -RPT.-0l'Revi S on 0 A'igust 24.42AX.I'..u insulation craft vnd engireering .personnel that provided assistanceawith th.e vwalkkdowns were k,:wledgeabic i the types of insulation used at Watts Bar and they provided i ,valhmble understandin.g of the Containrme't. building layout. They'al so provided insight on ,enral insulation use inside containment vas well as the history o1" operational nodificatinS and .repairs involving .i nsu laJion .nmodifications.

9. Plrovide pr.-wa.lkdown training.The atbove..nerintioned knowledge was incorporated in an procedure, which was used for the walkdowns.

The procedure used was TVAW0OIPROC-01 R*ev. 0, o,.,t~an:.n,.t WValkdo~wn Procedure f Lr Potential Sump Screen Debris Sources at Watts Bar Nuclear Plant, Tennessee Valley Authority". P:rocedure training was provided, :as were speci.f.ic pie-job brwietfings for each po.rtion of the wal.kdowris. Mr. Robert Ki-'kpatrick, TVA Tehnical Contract Manager, provided an overal.: pir'ejob briefing upjon the teans arri.,,al on shte in aceoriance with TVA procedures. WALKDOWNS APPROACH As requeid by the waikdown .pro.edure, the enftire corntairmuent was sub-divided into areas for ease of locating and documenting the walkdown locations. Prior to perforining a walk-down , the drawings for that area were reviewed. as well as the area radiation maps to ensure the mos!efficiet and AIARA 'wise walkdown would be performed, The vwalkdowns were generally segregated by co.nta.rm'.ent floor elevatin.n, RCS loop, and by ,"orpartment if' there were clearly defined walls. Verbial dictationrd dtigital pictures were utilized to collect the walkdown results and to provide iniput to this :debris report.For thie areas not accessible for walkdowns. the insulation was documented by reviewing drawings (where available), specifcatios, work- documents, and/or through diseuss.ions with knowledgeable i-'sulation cri" personhei. DOCUMENTATION OF WALKDOWNS Waikdowri documentation was in. accordance wit.h .iVAW001-PROC-01 Rev. 0. "Containmnent Walkdown Procedure for Potential SuMp Screen Debris Sources at Watts Bar Nuclear Plant.Tiennessee Valley Authority", and the lindiogs documented in walkdown packages The completed walkdown packaaes amr included in Att.ahmen.. J and contain Attachment I of TVAWOOI-PROC-01. Attachment H is a consolidated summarv of the debris quantities detenm.ined in the hid ividuial packages... .. ... ............ .....Page 7 of 23 .......... A~gust24,2 0........................................ R, pr. .N A ) .(Ma' ked-up drawings. notes, di.g.ital piciures, etc. were included in the walkdown packages to provide sufficient infont 'mtion to quantify the amoint of insulation material. Each walkdown package was assigned a uniqtEC number iv. thle follo, wing., firnat: WB I-..D[)D..xxxX WB1 --- WattsBar Unit I DWD ... Debris Wa-lk..down xxxX .. Area .umber xxx (see Area Map, Attachment 1)and a seqcuential package Letter X Fo.r examnple, walkdown package WB -DW D-OOIA is package A of Area 00M.The wa.kdow. packages are meant to reflect thie insulation ard debris prescrt in conainmnne.it at the time of the walkdown. Attachment K provides a sample package change notice fTb'n that could b.et used to documemt .subsequen.t changes in .insiilation. It. is meant as a guide io provide the crucial paramelers that .houd be documented. Specific ,dohumentation of (he sump area. the coatings evaluation, and the sumnp flow path evaluation were provded and are included as Attachment, F, F, and 0.RESLS. S All -the areas within comnainment were walked down with the exception of the Frdlowin.g:

• Reactor Cavity and Keyway ,, Regenerative and Excess Le.tdown Hea. Exohan.ger Room* Reactor Cavity* R:-fjefing canal ,, Reactor Vessel and Reactor Head These areas wvere inpucees~ible due tO in.-progiess

'iirk activi ties or radkitimn conditions. insulation, in these areas was documented by review Of'1" plant dOCcumentation aid drawings, and discussions ,with knowledeable plant personnel. No ladders or special scaffolding was required to gain access to areas. '.flieexstir., piatfforms/scaoftoldinn com~bination allowed sutficie-at access to all areas for inspections. The wal kkdown did not inhlude any ITs..ation removal. The interiofr arrangement and insulation material for coa.edjacketed insulation was, determined from drawing,, and imformation obtained from the [frnsulation Craft personrel, Some cases existed where thbe instilation rnaterial cou.ld not be obserwed or exact y determined due to the jacket/coaline.. In general. (he insulation was found to b-, in accordance with the existing dS.I..documentaiion. Where "ueSUoMS. arose, Watts B.ar personneJ were and design documents were researched to determine the mnost li.kely typI. Rtpar:. No. "I'VAW(I..'.RPT-00I August 24. 200)4.......... ,....................................*. In accordance with the irnplekmenting procedure and HP requirements. no debrtis sait"lsc... were takeen from containment during the waikdown. Watts Bar personnel were able to provide clean samples of the 3M fire wrap used for raceway and conduit -protection throughout contaifnen.it and the aqua tie wraps used to secure conduit tags and ,rotmding cables, A sample of the Iop dieck pads for the ice conden.,,er was also available for Tt shouid be noted tihat only systems, inside the crane wall cat, :e subject to HELB (.Hig-h Eiergy L.ine Break.) jet forces during a I...OCA,.Affected 's "m; The fi;.olowin(g systems were walked down:* Reaclor Coo ant, includint. RC puip seal l, nJcotton and leak-of* Residual Heat Removal , High Head and Low Head Safety Injec.ion o Pressurizer Spray, inuding Auxiliary:Spray

• Charging and Volmt.e Co'ntrol Syst.remr.Ietdowrn .line including the Letdown Coolers, a Component Cooling* Ice Condenser System* Steam Generator Blowdovwn Systemn*Sample System* Main Steam* F'eedwater-
• Primary Vent and .Drains It shoiuld be ioted. that the insulation at scomrle locations had been temporarily removed to support outage work. h, other locations, lead sbielding blocked access to piping afnd eauil.n'eft -for observation.

In all cases, we were assued that this insuiation would be replaced when the work activity wa. co.mrple.ed, :iseuss.ions with TVA personnel and drawing review (where available) were used to deteruine the type of insuilation present at these locat~ions. Dring: the post outage Containment Cleanup walkdown performed by Operations on November 133. 2003. attended by Iwo Enercon Walkdown team members, insulation was observed to be re--iistaled. with io devi ations ,ofrom SpecCifications noted.Mech.anical -insulation inside containment was found to be mostly of the reflective metal type for hiot lines. Foanlglass, Tfoam plastic, and A..amfiex/Rubatex was 11ound in the ice condenser., upper cortairmnea.

and the ICI room. for glyvol/cooiin2 water insulation. -ot mecllam.:al.

equipment (RCP's. Pressurizer. Steam Generators, etc.) was observed to be insulated with .reflective metal type insulation..Y. ) ... ii , Repr No, "VAW IO0I-RPI'-T., R k isn 0 S: Atgus; 24, 2004 El3ectri~al 1h1e fkollowing types of electricaleipmenrt were generally reviewed as a. part of the wvalkdowns:

• Cable trays* ~l?,ectrieaI/instrumcntation panels Junction Boxes* Cables , COTduits While performing the walkdovwns no panels o,: boxes were. found. that were suspected of contain.ing fibrous mnaterials.

Junction box pernetrations appeared to be sealed, with no fibrous material used. Only conduits co;vered with radiant energy barriers were foun,.Based on these facts no panels or boxes were opened for internal inspection, Flex conduit inside containment, was :seen to be braided or bolliaw. type stainless. No eonduit.with vinyl or other elastomeric waterprofing was obkerved, Cabling inside containme-t was found to be toulfly enclosed in conduit. No cable trays with exposed cabling w're,. toted.I'lle co-dition/coeaniincss of junction boxes and panels are docure-mntcd with digital photos.Generally, *tie junction boxes appeared to be in a good state of cleanliness with only a small layer of dust/dirt present. There were, however, electrical cable Tie-Wraps used extensively to anchor *conduit labels arid ground wiring,. Gernerallly, these tie wraps were aqua int color, and i-vestigation of. Watts Bar Specifications showed these tie witlps to be made of Tefzel ihonas, & Betts'. Th.ese tie. wraps are qualified f'r containment use and are not expected to be a significant source of surnp debris except for those that fail directly within the .one of influence of a pipe breA.. Data.sug'gests that the material has a maximum continuous use tEVmperature of 302 degrees FK Significant quantities of 3M 'radiant energy barriers were observed inside the lower contai.nTnent (inside the crane wall) and -in the iCi 1 room. This mate"al was okerved to cover junctions boxes, conduit, and conduit supports. Quanitities of this .3M mnaiterial have been estimated from. tOe installation details provided (Drawings 1-.47W243-6, 1-47W243-7, and .1 ..47W243-8), DCN I I727-.D, and Fire Operating Requirements inspection proc-edurc I-.FOR-304-1, A sample of :this material, along with material data and vendor manuals, was provided by Watts Bar persorne'l for ,,bbservation .ahd eharaemezatiop. The material is described aa a fibrous mat (short fibers) with small chips of a mica type reIlective material embedded within.. Thoe mat is nominally 3/16" thick. and is :c,v^ered on one side ,wilh a stainless steel foil. Documenitation o.. this materiel.mnay be found ini Vendor Manual WBN-VTD-MO30-0)20. Quantities have been tabulated in the individual walkdown. packages Page 10 ot 23 Rvpori 0t. P'VA\VOO IP.Several individual pieces of Min-K were found to be used as r,,ianli energy shields to protect conduit, These g-enerally small (9"x 12". for exannPic) were typically located in the accumulator or fan roores, One piece of Min-K sta-nless jacketed insulation was found on a waste disposal line J.;ust cltside the surump near the Loop 1-4 hatch. This section protects coriduit fromn the potntially hot Hine (note, the rest of the line is not insulaited). Thesc individual occurrences were docuirnented and inckided in their respectivc area in the individual walkdown packages.3. Housekeeping 'The e.ffectivenes. of the housekeeping could not be assessed during the, initial walkdown due to the outage activities ongoing inside the Containment building. Where it was dihe opinion of the walkdown team members that ceritain transient debris could have beent present prior to the rngoing outage, it was so noted and documented. Discussion with Watts Bar pe-'sonnel indicated that a thotougfh conlainmnt walkdown is peO:.-mr-ed foi lowing each outage. hlie containment cleanup plan. was reviewed. and two members of the E-nercon walkdown team acco.mpan.ied the Mode 4 Containment Cleanup walkdown performed by Watts Bar Operations on November 13. 2003. At this time, mi.ost. njWi. ajivilves lhd been completed, the lead shieldinrg had Ibe, removed, and the reflective metal insulation had been reminstailed. Watts Bar personnel were observed Sweeping and vacuuming

containment, while the containment cleanup wialkdown team picked tip any loose debris such as gloves, tools. tape. paper, etc, general, the "ontainment was found to be dlean and free of easily noticed debris. Sieniticamt accunulations of dust/dirt were noi generally observed.

There were some outlying exaniples, however. specifically, the graing above the #4 RCP motor eat the entrance to the ice condenser a,".11 upper containment hatch)contained an accumulation of dirt and other fibrous debris. Shr. Is of mreen, nylon type fabric were observed t6. have .fallen into the gra.ing, along with some other fibrous debris, .This situation was observed on several other grates that were. not. opfn underneath as wel.l (i.e., on structural steel), Additionallv, ac"umlft'ons ol'*di-t/deb-is were no"d.in the small spaces between tho RCI> supports.; and i he cran- wail. A.though the quantities observed are small, the type and! nature of the db.ris warrants additional. housekeeping efforts in thfis area. This issue was identified to Watts lBar Plant Personnel as an area for.lflprov.) efl.l]vl Page!.1 I of 23

...:... :.......

pxt TVAW0C,;..RPT-0Ot, R(,VSi iof 0 Augu;"` 24. 2U114 4. of inrulation present in Containment The followirig table lists the of insulaeion that fre present. inside the Watts Bar Unit Contairnment. The list was developed based on the walkdowns performed by the teams, :reviews of insulation design drawings, and discussions with plant petsfnnei. Types iof insilal ion found in Watts Bar Unit I con.tainment are as follws: Reflective Metal sln.suhation (RM l)Min.-K AriniflexR ubtex.Foam gIlass 3M hiterani M20C (Ratdiant lnc.rgv Shield).Mari'ite Board calktIiri*Sificate

5. Other po.tential debris sources Rust Rust it. sigafi cant .qua-ties thaat would flake or otherwise spall off was riot observed.Minor stwfae nust was noted on. several :components where coatings were datmaged due to "ma"w t Cl"nC t .... .t.*Lint Sonie minor arnounts of: lint were, seel) o0 junction boxes and. the top surfaces of parnels/electrical boxes. (Genera.hy, I witith respect to du -st and linlt. appeared to be good.*Miseellaricos.

Debaris Irn general, amnounts.of miscellaneous debri,s appeared to be minimal. Outacg activities 'ere extensive during the initial walkdown. and significant quantities of oujtage r.lated debris such as duel tape, pens, gl.e&, tool.,,: etc. were observed. During the Con rainrient Ch-',anu~p walkown. peft.rmed later, there was very little debris observed. The cleanup efforts appeared to be very tlhorouh, AFs noted it). Item 3 above. somne dirt/debris was noted to be accumulated in gratings............. Nq' e 1 -F 23". tR.evision: 0':i:.:.-"ii~i;..Augzust

24. 200.1 E *mo rvspmý kw,.,, T~s/l.,abds A large nuwiniber of red VT-2 flow direction label, were obser-ed to have been placed oi, the .reflective

'itetal .insunlAton jacketing. A number of these label.s were. observed to be peeling'Or delairinating. These labels were deterihii.ed to be acceptable with respect to stress corroSwof cracking criteria in Docum..ents Reference

5. Reference 5 also indicated that th mraterial of these labels deteriorates at 390 degrees F. However, no test results or other qualification data is available to support the qualification of these labOls with res~pe' to post accident contamn.ment cond-tio.ns.

'Based upon the current condition of the labels. it must conservatively be assumed that these labels will dela.nin.te arnd separate from their installed. locations during a design basis event.In addition to the red VT-2? libels, clear printed aidhesive labels were found on the reflective metal insulation, Thl ese labels are used to individually identify the ins.ulatiron sections. The qualifications of these labels are not known.Sma:l, round (approxiniately I" in cliameter) hang tags were identified e.oxensh'ely thron'rhout containment. They were found on conduits and appear to be cable identifiers. The tags were mnade of plastic material and were genecrailly hung with stainless steel wire. Additionally, simall "o:tangular plstic labels werm observed to C securedto condui. with alUa colored tie wraps thr oughout con.ainment, Reflective tape labels were also fit eyxten.ively in the raceway area for identification of conduit.Reflective tape labels were not generally observed* inside the crane wal. of lower-coltainment, however, there were some noted in the upper elevations of lower containment (above the RCP's).Equip.ment tags were generally found to be a laminated stainless steel hung witll stailess .stee wire Rellective adhesiv signs were als.o observed inside containi..mnt. These were genernally used for personnel information and w.arning. These of labels appeared to have been used spaningly,* Mas.k.ini/Duct Tape Masking tape reside possibly used as markings, were seen throug, hot the contaa.nm1,em Additionally duct tape was seen, but appeared to have been added daring tbis outage t.or marking. Quantities were not significant.

• Pai.t Piti.tcoaivi, condition eValuation was performed and is included V as Attachment G.(Othe,, Debris DuSt and dirt were observed in smrill quantticks ih the grating webs vnd in tho corners of ,siipport melrbers throughout coaainmient., The small overall quantity indicates n relatively lea plant with respect to latent debris. here were also a .stal. "umber of Page 13 of 23 rcpla :N.. TVAW001..RryPT-00I

......... M u ust 24., 2t.'M.pelefrtiorns through ihe containment vessel and crane wall that were sealed with a black Silicone foam i"mnteia-, Quiantification. of the material in these sMare penetration, is included in the walkdown packages, Generally, sealants for pil.ig, penetratiolns were not .abulated. as a review of the design documents .and walk.down observarion; indicated tmha most were sealed usig link-seals, RTV type .materal, andfor a smal.l quam.iiv of flexible boft seni mterial. Mineral wool was not obser'ved 'n any penetrations, and juost penetrations had splash-.guards to limit jet :impingement. TýAabula'iions of the quanfitieýs of Calciun Silicate ill the .Feedwater and Main Steam penetratioms were included in their res..ptve loop area since these pelnetrations were observed to open to the area insi'de th"e crane vwall. This fact is also documented in ilhe inrsulation specifications. One piece of Marinihe board, approximat,,1y 4" x 12", was observed in Fan Room .#2. Wher, documentation existed, snignifi'ant quan.tities of flexibie bellows or fabric (such as, the ice condenser seals to th conlinment vessel.) were observed and tab,.dated, Pane :14 of '1 0 Aqpg 24, 3X04 CON(.IMUSIONS IMechanical Ins.ulation The piping in side .o..aimn... was ubserved to be.In accordance with the design docurerentation and specifications. Process piping and equipment inside contaia.mem was insulated with Reflective Me.tai Insilation (RMI). ThDere were no obvious or repetitive deviations fron the RMI ýtaiidard Within the lower containrenat rne wall, Glycol and cooling water lines in the upper conlainment and inside the ice condensers were insulated with Armaflex/Rubatex and/1or ibamglass. "lha? insulation combinvation was also observed Ol. the ICI roon coolers in the lower cOn,,inimcnt (outside thee:rnme wail). The Main Steam..and Feedwater penetrnAtions, which are open 1o the .ower containment inside the crane wall, were observed to contain Cailcurn Silicate, A Ihornugh revi.ew of the design drawings for the RMI showed that there were segments of insulation fabricated with Min.-K. DT.iscussions with TVA insulators indicated that these segments were totally enclosed in stainless jacketing and were indistinguishAble from the RIMI. except by weight. The attached walmdown pckages document the qv.antities of M..:.K as found during a review of the RMI dr-awings. Although not directly observed, the Mint-K is conservatively assumed to exist based upon this design d(vs:enatiln. 2,Electrical Instu.lation Significai.u amownts of ..'-M20C radiant.energy shield. utilized to protect conduit and junction boxes. were seen inside the crane wall and in Hie ICI rm..m A single Marinite bard was also observed in th.e #2 Fan Room. Min-K was also observed to hav, ,,en used as a radiant energy shield in several l,.a.ion.Due to the large number of electrical cabinets, junction boxes, terminal boxes etc., the walkdown team did not attempi to examine each box, Wabinet or pane. The walkdown. teairl examined representative electrical vomponents during the walkdowns to identify those potential'y containing;J. fibrous TnateriaM, No junction boxes were observed to have .fibrous material at the box perne.trations. No cabinets, junction boxes or terminal bocxe were identified that were corisidei'ed to potentially fibrous material, therefore the walkdown team did. not pursue opening any electrical boxes............ ... .... ........ ........................................ -Page 15 (1 23 -'gu. 24, 2W, 4 3. Other potential debris sources'Flu Containment building was found to be generally in. a clean condition. Very little rust, lif"t. or Mliscellaneou's debris was observed. Several low traffic, hard .to access areas had mi,.or accumblaitions of din/dust, such as thc areas between the RCP suppofis wid t1he crane wall. The largest accumulation o(f dirtidui.-debris was observed on Owe p:latforms above, the RCP motors, where grating lies on top of steel plate. In these areas, the vratimn webs were observed to contain dirt and fabric sreds, If ;rocedures are revised uC assUre removal of this debris after outages it may not need to be considered during a CFD analysis. RTViSilicone sealants were present in various amount.. One notable area is the "... o s e" th contatin.ment vessel and the keyway seal at .fhe vessel I(observable .in thle racewa..y at the '102'decvetion), A cl ear silicone sealant in this area was observed to be separating from the.t1faric bellows. Non-4bonded .ilicone or RTV beads are likely to hecom.e debris sources during a design basis event. Numerous red VT-2 a.,b-els and other adhe'ive labels (signs, conduit labels, etc.) were observed to be deamrinat.ing or p.e.ing. Tie wraps in tOe zone of Hifluence of a pipe break should alsd be considered to be potential sources of debris.Coadni~rgs observadions are documented in Attachment.. G.4. F.ME Observations It was noted during the wa*lkdown that thle sump area was used as a tool/electrical uquiprnunl roon. .Tt is recognized that there is limited. space available.Iouta,. equipir.t.net, howe.ver it is recomnniende-d that addiiornal precmatiors be taken to prevevt foreign material intrusion int. thc sump. It w.s observed thai the inner sump grating (which does riot have an additional serecn) wasv:only partially covered (sec photos in Attachments E'" and I", during the areas use as a tool/equipment room. I is recoinended thamt consideration be given it)comstructing i, sclid cover for protecting, the inner surup grating during outaires.Pag 16 or 23. RcpcwE No. "'VAWO%0 I. RPT'4)0I., ......... 2i4, 2 2004 aKflv.x", ..Yg "'ri.rn$.c.:* REFERENCES

• TVAl,'atts Bar U.1nit I Docuinenits
• " T. .....*.......°".".....,, ...... ..[.:t..!.:.n.......t...

1... ......L...... ::t ......1. TVA Site Specific Engince Speification N3M-936, Rev. 4, for "Installation, Modification, and Maintena.ce of Heat and Anti.-Sweat In'sulation" 2. TVA General Engineering Specifiation 6-82, Rev. 2, "Enstallation, Modification, and NMaintermarce of In.,ulatiton" 3. TVA Contract No. 00029353 (Attachret'r.B)

4. Fire Operat'ng Requirements.

1-F.I'OR.-304--I, Rev. 8, "Visual hispection of Fire Rated Assemblies in Unit I Reactor.Buildin2" 5 Central Laboratoies Service Report No. 94-CO.123 dawed *2/7/94 for Watts Bar Nuclear Plant 1S1. 1l'bel Stickers.6. TVA General Engineering Specification -.38, Rev% 18, "hInstallatirom. Modification, and Mainwnance.of Insulated Cables Rated up to 15000 Volts" (Section 2.2.8.1 "Cable Tics Used in Prinmary Con'ta ir" nt " 7. Vendor Manual WN B -TD-M0.,30-0040, Rev. 0, "Applications and Specificaiions. for 3M llrctram CS-195 Comp Wosite c" 8. Vendor Manual WUN \ I M0,0.()0, Rev. 1, "Applications and Characteristics of 3M Inreram Brand Fire Barrier Inumescent Mat M,0C 9, WB-DC-30-4, Se.aratior/fsoiauo.", Appendix. D "Approved aiers" 10. Technical Instruction T`1-12.14, Rev. 1, "Replacement -and Upgrade of Plant. Component Identification Tagg~ingard Labeling" 1.1O. Engineering Design Staard DSarI 7.2.2. Rev. 5, "Electr-ca! Raceway Fire Barrier Systems" 12. Terclmical Ins.uction T11-209, Rev. O, "Plant .Iabelirig" 13. Calctflation WBNC.OS04 -1%, Rev. 4. "Trarisp.or Analysis for Containrerxt Coatirio" 14, Calation WBN. 0S04*09i, Rev."9. "Maximumr Containment Water Level" 1.5, Engineering .Specification. G-29, Rev. `22, "Maerial. Fabrication and Harn.dfima. Reduit~rie..ies for Aisteni tic Suin,.ess Steel" Enercon Documents L inercon TV.AWOKO1.-PROC--0l .Rev. 0. "Containment Walkdown Procedure for Potential Sump Screw, Debris Sources at Watts Bar Nuclear Plant, ennes.see Vaillv Aulhority" (Attachment C}NRC Doctuicrn is 1., NUREGICR'2403 Survey of insulation Used inNPP and Debris Generation 2NtUREG,,,CR 2791 Metodcogy tb-,fr Evaluating insulationm Debris 3. N.UREG/CR 33170 Susceptibility of Fibrous. Insulation PillowsiDebris Pa 17 of 23 ............... ' , x .- I -.{.......... August 2-1, 20,' .4. Generic Letter 98..04: Potenfial flbr- Degradatior of the Emergemcy Core Cooling Systen amid C. or turment RecirCulation Spray System after a Loss-Cf.Coolant Accidert Because of Co.st'..ction and Protective Coating Deficiencies arnd ForeiII Mawerial in Containmenim .. Generic Le-tea 97-04: Ass;rance of Sufficient Net Positive Suction -rmad .br .Emergency Core Cooljing :and Containment Heaa Removal Pumps 6. NRC Bulletin 93-02: Debris Plugging of Emergency Core Cooling Suiction Strainirs 7. NRC Ifformnatior Notice:. lnadequate Net Positive Suction Hea-d in Low .Pressu.re Safety Systems 8. NRC Staff Comments on NF,,. 02-.01 "Condition Assessment Gid,,ins: D..ebris Sources Inside ,o,.,iment.. Slides by John I.,ehring NRR/DSSA!SPLB dated May 30,2(XY2 Industry Docuim,.n. its 1. NEi :02..(1 Condit .ion Assesmenr Guidelines: Debris Sources Inside. Containments, Rev. 1.IT.S raom.,tion co e.ntIls on NET 02.{.01 dated August 12, 20012 3, Indout package from the NEI .Meet. July 2W2 P:aire% .I S 0f 17 '2 Report No. TYVAWYO0!-RPT1-(W)}A ug s'I:l t 24 , 2 (X ).tl E..rn ... ..DRAWING(S USED FOR WALKDOWNS (Note: Additional Isometrics, Conduit/Piping Plans, and insulation Fabricatio01n drawings are. referenced in the individual walkdown packages" I. SD-E.-5.3A, Rev. 7. "Electrical S^andard Drawing, Raceways, CA & W ldent Tags ,Sequoyah .Nuc Pit &.Al] Subsequent Nuc Projecls" IN -!,Rev. C, "'Re," 2. ,fIN7 i0- 0, Rev. C. "Reactor Buildinw U.nit 1. Concrete. Floor Slab .... E. 702.:78, Outline, Watts Bar Nuclear Plant" 3. 0..--2, Rev. K, "Powerhouse Unit I. :Equihpninen. aPan, El 772.0 & Above, Watts Bar Nuclear PMani" 4. 47W200-. 1, Rev. 9. '-Powerhouse Units I &. :2, Equipment, Reactor Btuilding. Watts Bar Nuclear Plant" 5. 47W200..12. Rev. 9, "Powerlouse Units .1 & 2, Equipmnent, Reacto';r Building. Watts Bar Nuclear Plant" 6. 47W200-13, Rev. 5, "owerhouse U'itS I & 2, Equipment. Reac .o Building, Watts Bar NcarPlant" 7. 47W200..14, Rev, 5, "Powerhouse UJnits] & 2.[ Equipment; .Reac..or Building. Watts Bar Nuclear Plant" 8. 47'W600..(.16. Rev. K, "-Reactor Building Unit i, Elecirca nstrmen-ts &k Con trols, Watts Bar Nuclear Power .Plant"-9. 47W60.-217. Rev.J."Reactor Biidin. Unit. El.ectrical Instruments & Co,:trols, Waits Bar Nuclear Power Plant" 10. 47,,W6,.)..218, Rev. F, "Reactor Building Unit 1, Electrical lustmmirrients &, Conmtrs, Watts.lar .Nuclear Powe.r Plant" I I. 47W600-2 19, Rev. G. "Reacior Building Unit I., Elecetrical Instniments & Cont'ol,, Watts Bar NUcleair Power Phlnt" 12.47W331-11,, -Rev. G. "Powerhouse Reactor Buildina. Unit: I, Mechanical Containment ions" 13.47W33,-2, Rev. E, "Powerhotuse Reactor 'Building Unit 1. Mechanical Containmenew I-"enetrations" trdo I Ia" 14. 47W470-4, Rev. J, "owerhuse Reactor Building Unit 1,i Mechanical Sleeves Crime Wall"v 15. 47W470-8, Rev. F, "Powerhouse Reactor Building Unit 11 Mechanical Sleeves. Inerior Walls and .o0ors'16 4713473-4., Rev. C, "Powerhou-se Reactor Building U.it 1, Mechanical Sleeve Seals, Crane 17.47B473-2. ReV. C owcrhouse Reactor Buildi.'ng Unit i. Me.".a nical Sle'eve Seals. cv,,,,-Wall" 18. 4.71,,471-1. Rev. A, "Powerhouse Reactor Building Uhilt I, Sleeve Seals for RCP Catch Basin & (:nilIll stin :R.rn" 19. 47B473-.4, Rev. A, "Powerhouse Reactor Building Unit. 1, Mechanical Sleeve Seal, Crane Wall" 204:B473-5, Rev. E, "Powerhouse Reactor Building 'nit 1., Mcchanical Sleeve Seals, Crawe Walls" 21. 471473J6, Rev. A, "Powerhouse Reactor Bufl.ii,, Inil.t 1, Mechanical S., e, Seals, Crane Wall. Interior Walls & Floors" Page P) of 23 Rt~por :Nx) 1VANVOO 1. rrToo I.. ....... Iu s.'\,;1"R r (.Euercxt Sn' r.ics I:m 22 f 47473-7, Rev. "Powerouse Reactor 'Building Units I &S 2, Mechanical Sleeve Seals, Crane W\al, Interrior Walls &. Floors" 23. 471347]3-8. Rev. A, "Powerhouse Reactor Building Unit L. Mechanical Sleeve Seals, W aU, huetrior" Walls.. &.Floor..24. 47XW462-412, Rev. 4, "Reacnot .& Auxiliao Bufildig.y Units J. & 2, Mechanical, LNS/HT Tracing, Ice Condenser System., Watts Bar Nucfear Plant" 25. 47W915..2, Rev, M, "Powerhouse Reactor Building. Uni.t 1, Mechanical, Heating, Ventilating, and Air Conaditioning, Watts. Bar Nuclear Plant" 26. 47W91 5-3. Rev. P. "Powerhouse Reactor Bu-oilding, Unit 1, Mechmnical. Heating, Ven.tilating, and Air Conditioming, Watts Bar.Nuclear Plant" 27, 47W91 5-14, Rev. if, .erhouse. Reactor Building, Unit 1, Mechanical, H0eating.Ventilating, and Air Conditioning, Watts Bar Nuclear Plant." 28. 47W91.5-8, Rev. I.., Reactor Building, Unit 1, Mechanical, I Teating.Ventdlating, and Air Conditioning. Watts Bar Nuclear Plant" 29. 47W*9 15.408, Rev. A, "Powerhouse Reactor B3ildir 4 g l.Unit L. Mechanical. [iET, Ieating Ventilating, and A ir Conditioning. Watts Bair Nuclear Po~wer Plant" Rev. 1. "Powerhouse Reactor BuildingUnit 1, Composite Piping, Quad 1. El.702.78 to 710, Watts Bar Nuclear Planr" 31. 47W25(,)-.2, Rev. 1, "iPowerho, se R eactor Building Unit I, Composite Piping, Quad It, El.702,78 to 710. Watts Bar Nuclear Plant" 32, 47W250)-3, Rev. I, "Powerhouse Reactor Building Unit I. Composite. Piping. Quad Il... El.702.78 to 70, Was Bar Nuclear Plant" 33..47W2500).4, Rev. 2, "Powerhous Reactor. BuihuiingUnit J, Com~posite Piping, Qud IV, ElI.702.78 to 710, Xatus Bar N.i.ear Plat" 34. 47'W2'5005.)Rev. 2, "Powerhouse Reactor Building Unit I. Composite Piping, Quad I, EL.7710 to 7720, Watts BarNuclear Plant" 35. 47W2500-5.6 Rev. 2, "Powerhouse Reactorl Building Unit ., Composite Piping, Quad I, Fl.710 to 7120, Watts BarmNclar Plant" 36, 47W2501/4)-7, -Rev. 2, "Powmerhouse Reactior Building, Unit I .Composite Piping. Quad IlL l.1H.710 to, 720,W ats ar Nu.1clear Plannt" 37. ,47W2500)-8, Rev. 2, "Powerhouse Reactor Buildir.w Unit I., Composite Piping, Quad. IV. El.710 to 720. WaMtts Bar Nuclear Plant" 38. 47W2500.9, Rev. 1, '"owerhouse Reactor Building Unit I. Composite Piping, Quad I. El.710 to 737.0, W atts.s ar Nuclear Plant" 39. 47W.25.Y-

10. Rev. 2. "Powerhouse Reactor u Ui .Composite Piping, Quad IV, El.720 to 7370. Watts Bar Nuclear Plan t" 403.47W2500.9*

i, Rev. 1. "Po.werhouse Reactor Building Unit L. Composite Piping, Quad Ill.Inside Crane \Vai 131ev. 734'410" ... 754"..Q", Outmide Crane W~all Elev. 7314%'." ... 742' .0", Watts Bar Ncle.ar Plant'" 41. 47W2500- i2, Rev. 1, "Powerhouse Reactor Building Unit 1, Composite Piping, Quad IV, EL.720 to 737.0, Watts Bar Nuclear Pla.n" 42. 48N919., Rev. .F, "Reactor Building Unt 1,.Miscellaneous Steel, Sump Liner, Sieet 3, Watts B ar Nuclear Plant" 43. 1-4-7W814-1, Rev. 19, "PTlow Diagramo , --- Ice CUondenser 44. 1-47W814-.2, Rev. 28. "Flow Diagram ... Ice Condenser System".45. 1.47W814..3, Rev. 13, "Flow Diagram -Ice Condenser System." a ger2. of 23 ............. .., 4: vl~ Rcpoolq o. T--VAW0K)l ifT0*V, R Yt si b 1 0.Aupust 24,20 46. 1.-47W243-6, Rev. 0, "3M-,M20C Radiant Energy Shield, Inside Primary Continr.ent ...Reacir .3Busi!ding" 47. 1-47W243-7. Rev. 0, "3MI.-M20C Radiant Energy Shiel.d, Inside Prinmary ...Reactor Buildingr" 48. 1.47W2,13..8. Rev,, , Radiarit Energy Shield, Inside Primnarv Contaiinmert R.eactor " ui " din Additional NMechanicaiiElectrical Insulation and Heat Traving DrawnLgs Reviewed for Containmnent Debris Applicailhity I. 47W400-402, Rev. A 2. 47W400-403, Rev. A 3 :47W400-404, Rev. A 4. 47W400-405, Rev. A 5. 47W400-408, Rev. A 6. 47W400413, Rev. 13 7. 47W400-414, Rev. A 8. 47W400..415. Rev. A 9, 47W401..402, Rev. A 10, .4"7W'401-403, Rev. B i. .4 7W401-404, Rev. A 12. 47W401-405, Rev.. A 13.- 47W401-406 Rev. :A 14. 47W406-4.01, Rev, 0 I5. 47W406-403. Rev. 3 16. 4,1W'4127-1-:01, Rev. 13 17, Rev. 13 18. 4 .2-408, Rev. B 19M 47W427-409, Rev. C 20. .47W432-401, Rev. C 21. 47W43 -40, Rv. C 22. 47W432-406, Ry. C'3. 47W,4 -, Rev. 1" 24.. R.ev. A 25. 47W13-1402. Rev..26. 47 Rev. A 27. 47W4.37-407, Rev. I 28, 47W450-40., Rev.B 29. 47W450-402, Rev. C 30. 47W450.403, Rev. D 31. 47W450,404, Rev. B 32. 47W450.405, Rev. B 33. 4.7V4 W , 50-40. Rv. 1.13 36.37, 38, 39.40.41.42.43.44.45.46.47.,48.49.50.51.52.53.54.55.56.57.58.59.60.61.62.63.64.65, 66.67, 68.69.70.14.-I t 74.76, 77.78.79.r V 0 Rlu.x,,t No. TVAW001 -T/",.')'3 00 k.Vi.6ion 0 Augut 24,.. t0()4 47W450--408, Rev. B 47W450-41 f, Rev. B 47W450-413, Rev. B.47W450.414, Rev.. B 47W450-.4 15; Rev. B 47W4504 16. Rev.B 4717W450-4 17, Rev. B 47W450-4 I8, Rcv,:B 47W450-419, Rev. B 47W450-42.0, Rev. B 47W154-403, Rev. 2 47W4 5 4-405. Rev 2 47W454..406, Rev. 2 47-W454...07., Rev.*47 W462-402, Rev. C 47W462-403, Rev.,B 47W462-404, Rev. C 47W462.405, Rev. B-47W462-/'06, ReY B 47WX461-407. Rev. :C 47W462.- fl Rev:C 47W464.-402, Rev. -2 47W4641-403, Rev. B 47W461.-404, Rev. A 47W464-406, Rev. B 47W464 .4.07, Rev. A 47W464.408. Rev. A.4"7W,164 .,.4 12, Rev. ..A 47W464-413. Rev. I 47W464-41'4., Rev. A 47W464.424, Rev. 0 47W464.425, Rev. I 47W555-401, Rev; B 47W555-402, Rev. C 4*7W555-403, Rev. C 47-W555-406, Rev, B 417W555-407. Rev. .B 47W555-40S, Rev. A 47W555-409, Rev. B 47W555..4 1C0, Rev. ])47W555.411 1, Rev. B 47W555-,4': 2, Rev. C 47W555-4.1 3, Rev. B 4' W555-4'18, Rev. B.47W555-419, Rev. B 47W555.4.25, Rev. 2.......................................................................... Pec. 22 o,1 2.3 83.82.83.84.85.86.87.88.89.90.91., 912.931.94.I.mpes. Ir'X.Rep:NrlN. N VAWo. )I-RF'[.(}O" Revision 0 August 24. 210.04 47W620-401, Rev. 0 47W'620-402, Rev. 0 47W620-403, Rev. I 47W520.A04, Rev. I 4"7W525-401, R.ev, 0 47W6$,,2.), Rev. 0 47W625-404, Rev. 0 47W625-.405, Rev. 0.47W625-406, Rev..0 47W625-407, Rev. 0 47W625-409, Rev. I 47W625-41

1. Rev. 0"4W62)5--4 12'. R.ev. 0 47W625-4 1 4, R.ev. I.47W625-4I 5, Rev. 0 Page 23 of 23 t.'*ro% Spr,4f*,5 Inc.Rc 'ort No. TVAVW,)!)

I ..RFTUO I Revision 0 tlo I Ii" 10 ATTACHMENT A.:.LETTER TVA-A.03-3002 "PROPOSAL FOR WAITS BAR CONTAINMENT DEBRIS SO WA! "KDOWNS 8~-*~

• l~l;~sz, r*x S at'~r.eec1r SrLp. Inc Report No TVAWVK)I .RPT.O0l Atacihrrer .A Page" '2 of 10 rr&~g>~ ~"N.IRCON sERgvOS>, 1wC.V25 " :T .Pt'p. t n.:,. Suaa h tt:nSAw GA :44409 e.(7l1M 9~C1ý-IS2 S~nuhv 16G, 200 JAS3-049, Rev..2 Ptupe:1 No -. TV"A-A 03-3002 M',r. .avd S.,itla Cl'nntr acts Oflice r~ennes:.ee.

Xalk+:y Au.tho.rhy Weatts Bar Nuclear F.ant r.O. Box 2000 Spring Clty,h 37.381 Subsject, Pruposal Contaimiment .Olbrts Souvre WAlkd~oins.

Dear fr. Ssi Ith,

In reilponc t>o our mev.tgs'xizi '.s; Sý,Itcn"v Uth, EN.RCON is, w ptvids !l;m propusl for .h: c.n.anment wfordoxs a. Wat._.; Bar (fIsh ot:C:03). 'necon is Mtrr.ly teomfd V003 WM-ingvuu.c, as "wwll t,--ln.fvaive," Tclmwtlog Soi2utim.ns ,d Tran.mc. Products, to pr.vide a range of stnvi,."- .fs, the overlil rusolhnirmn of ihe GSl- 191 issue. A.; .s diss r.s?.t 0331 ;neeting, it ki.Ersc:on.'s undestanding diuat TVA might eonutwt; ooi'osed .mices thuuI Ws'tinghlue,. with Enercon tins sn.ontmr.trar orm'V,% raight ax, t, directly to Ensrcen. .Ef:wcon will ho. happy to ,ok.wht 'EVA with, either coact.If'I can he gf tof~thl% .r if you ry cesliwn sount liki hib.nationr .Jeisr ca,3ll1 aue at (770 9W9-19} en< 280, V1,. Aazn rntl P~I.ENERCON Proect CC It. Bryan ysoposal File Q1.1 .................................. ~ r~stcos 7711 ~ ~ .d~ .[ ........ liId'If# i............. ., xf~'m. O .,.........;.......... ... h .,' il n I..................... ~~'%O 'r Report No. TVAWOOJ .RT Remh.in 0 tAtti(3tZCtI A Page 3 of 10 Imc I of The JEne-c4im -Wesuoigho-se.- rrS: -'macsnv teaml his alipned its, collectie yst.rengths, and capabnilinie5 to resot tins is.ie thro.gh ,.sold teaming arrangeme,. No ath&c sigh: cOmpany or teemuling arsangentent in our industry czan match t.-he benefits I.gh this proposal o'r -an it c!aim acm..ual field exr-trience held biy our team t!I resolving thi vemy ismue at DAW:is.BOss. Our gPidelines eapras'. keen.fos0,- on delivering, tle beýs valueto you regardlesm ofeeach c;mpan's Individual heneflt of oefforoting .ervices or produacts, Ouribotton line goal isi to properly twal.ie your s,.cift conditions =ad mirnize ite cost ii.putas sssociaed with tfh seso!uion to 031-9l 1nWe .sop at TheO conern of031 191 i5 .ivI.-L0CA blockage oI'ECS sereoni wr. A CC? gener,'ted debris at.PWR nuclear gnratring its. With acmwa ion ofsmall qoantitieu..R or Ober an. larger 'nrtiz.*de of partiulrate, the N'R',.:.n..sored studie. have shown that most US P-%R s ,wisfts wcil experiersce sonle typo.ma "f EVMS faihure duo tohiglhead lossEs across the screen widrlJthis conbinnaton i Fdebri!, Some tyoes of ,eremal iansAZx~kn can be a soume of (iHIM; ether riet:- an Fe a scoi'vc of d udi oFihe, types can be a so.mIeI of both and hence insulation ih genes-s is -eie as a m.p.:ur sourc. f .(X.A ta, de'bri. O.her typos of debris incl.eh piint materil that is dislodged roiat LCICA. dirtvdust, rust, and po'sible Other foreign material To dsnemdne whether a patcrllrla uncletar plamn maysuffer from pos;t ISXoA EGCS snexer bkteh, anl.llgir:eer;s.g neokis toa he petlfo..med. This asses;sment is wrkpl.x anid requi;es ioowledge of I.number orf plant specificr 'variabtles inluding Et.e expe.,cted quanlt.it and type'.- of f'iha-ous and parircojiat.enereared or disladged "y, the LOCA.A required step in is the patnerinp of rctating to debris inside t.mnru-m vi.a walkdonvv. NIJ (12..01 is a guidcliae dc vcl..d by the Neclear £."ncrrqayiustt: (N.T) .o ro,,idc siem guidance on peri'brnhig (ths debris souree asse.nan.t. .walkdowns in containmrergt,*Addid;ar,.lIly; as part of the ,r-pnse io o to lrfl 70 2.-031-, many PWR otilities have commnited to reviewing the containr.ert flow and d'.:r..sg pt.sdmi.ing thir upeuting outages.T'he folImwing ate recommended masks of engineering scrvi tes to supportthe ,nikdowr; ofCWaa, Fla;onmtainent fre OSX.191 eerrts. fo 9e1 f uowin scope of work is based a reFent s.ie meeting at Watts Bar on' Septe,.ber 12W I d .NECON's rercnt walkdow.mw w o errence fromn se veal lSpri ng o:a::gs.This scope of wo:k is proposed to be NMulear Safety Related d as suh will be, deevelop:d under the Evi.ermt QA program. comtaM-ed to Westinghouse if dcsired...T..J.. Prepa.tion, '..'(,, Contitnent W.alkdovs WeV. will a.e',uhile our walkdown team f.r site tlra.inin g and badging ;mqnsriensts. Duritng tfhe week cdSeopir 'r 2", toe EN.C.ON ,alkdown prc edur. that has beemn used'J it previous walkd'ow.s will be revised for sipecific

equirements for WI.atts lar. Addiioaal.y, we travel to Watts Ba and collect co~pie,, of applicable snob as pip~ing i.someejes, insultio, existing drbris tr"ansport, eu.'cucltens, ECCS p.up NTS.H sunpsradnr design drawings, containment layoit)floor pIlan dawiagspand ayv existing coaling evaluamioreports.

this iniormation will e umse to preparefor the waBtcdewcms and will lhiýp rumi'u.nze {rt ii coiaihmenl and in turn help with ALAB..A. .f*.-.n, vid*.o "t.s awe avaihlyl,, of containment, .thi would also be be neficial prior to*s.alkd'w+/-s as Well. We also =commentd that TVA provide the waikdown ass iastan of nlato..ex..rienocd with th' insulation inside eontio1;e.nt. This of the insulator! hep ex.pedite fhe walkdcwns, snirdr.is' AIAkRA and reduice open items related t'.o insu.lation materials. 'i'V No. I-.RO I .,..1/2'tr mter A Page 4 of 10 Le.vtter JAgO03-49 Rev. I Pago 2 of 8:[:5g..Nit '-D>btis Settrac WldoWas E.".NERCON will docuneits the walkdowas wi, digital photgr-api, a-nd vdklxc,.: EN N.OO will wa'ikdown areas in' Cc-lahsunent ta +/-e-cr'Janee whit the developeml pm.edure and the following, as a tnimxm.A.It is E'..rmon', uude.t.iauding tha= itm.s I and 2 bc'oss will be o-nfirmatory in natulre. as plan isocnmertatk'o is in very*good s;hape. It is .nti ..d that mcs.-t o.the walku.aiw, effort' for Ind 22 will be in the hwýT'.r elevatio tChelnud wall, .s this ik the l.cation of m.at of the, hifslstion nateriail Fo r item 3, te.fuill conta;iment will he walkod down and .rei:p. iatarial will W, documented. L Insulat Subj'cito De..ruction, Location insido contaimune.-l Type of Typl ofr fasteni ig, jacketing wr , rppingof inscation.(trz

• gth .w'idt%'dltknes_~rs)

2. Cb,.e ard Cable Tnylire p.ofrg nw..awtrials"Fl i id .:flwunla, etc:s. Porcign Ma.cria!s O(her Materlaisare$

wo he identi tied and a.cto be, in accordance with NEl 02-0 I(i.e. dirt, tape, tags etc.)" ;i.' l ef4.1l w bl'. be documented with welk;down, pac.,ge. consisting of drawing markups al photan0osaphs of ctuh walkdown area. The. wAlkdc,,r. efftort will be support:d team of tbns en.ineers. 7.'e durt.ion ii anftiipaeted' to he 5 iaysx or less Based upo: prvious. .iscxtuss& n, wit,; 'VA, it. i's anticipated vtae e ainu.tion flraw:ngs are in vet' gfofo.s.,pe .nd One wahcdown effortwill be- more of confirmtrlor in nature with minaitn exceptions be:ng iden.tfied on, with respe-t to Ow d,"wine-s. The delverable for this tas, will b a sMAll summary. rpo.&td sc.bi.-.. g a:.." a:nmariz iith c contain;=.=T walkdown [p f o mq and rfi.ti;. the 1f(.o:ei. MaeriSal f, as well as .n.y fire material.Atta.ched to te;e r eport will be w ktIowct pa, ikge¢:, consisting f..'r mar ki.d up drawin;'.s; wi.1h photo,,graphsr as needed, This maia.ll refport wili not itemizvte ýw ipg .material -...wn Thl uvoat.4.p w;akdown will cottaho of the foilovwiag: I. Rvie, .of dccuzncntatku cto c~ ; g.,s-. sy.ttns sed whit in c unninmemo 2. Perfo., awaikdnw.' includintg .igitaipl gy'phs, of le outma,,nl

to g;neCically id'nt. ali.t evaiuale the condiAtion t'coatinge Of stiuet.tts,.

s'sl'ras Cfld Wht-gfsa:vstA,, Mssg NH D.U as a p.Udo.3. Prepare a iuate(Iia] eatimC vnate o'netetint an nqaiie ota 0uttt oats.houg most PWR utilities have goo' comaingA-. upon v.ur rccon work with several ullties, this coatings ivalkdvwn and re.-yew has in most ae..s ..d , i'%l.lonal that hod Uea'n vedol,okeA Io' yeaars.. This r*: pmides a, fresh st of eyes, wisth respec.t t this industry issue..A etter mrort wil! dfcuetujw the antscnnew.t and wlkdown; lfldings. Re.cifrt No IXAWtX). RPT]'4O I Revision 0,'Lo'sse JAo~SO3-44,Revy. " Attache.*. I Inc. page- 3 oF 0 Our ca'ing qngsi.;vts will aplroxiz-tay .Y hr' O ,.ysnsite.. UJIE-RtCON. will videottap u.d pho...raph atrain and. aroundl th- -cicntirxnent erargeney 5usnp to supp,.t ..the sump areas fc-rany.potantial snodifleatkois.. in addition, we .will v:rit' th .s .sobilt condition i'tthe st,"ainer i'm .t(tcf fi. t dilI Ic-icn ci sE31tssrjli qualification ofdcbr 1 ,. lods. We will ewi esew and reord of'high energy pipiing i" the vicinity of'ihe sump a-ea. f.nereon will sýupport, this walkdIW1 k efort olt~he s-usn aren whith a stmueIrai crsgtnevn wvho hasý e'qtriiereewi swrcr ta In additi.M, the cotaihimnrint -"lor and flew paths to the ,,ill he rv.orded with vidreoa;Spe a:rid pliot~togrsn 5 as.s:ist fsista d.ebris tispo.t Ans.lye, Will be supportae by an H'S engineer with cp',-ieriece its conain men-st modelinrig for ,leris trn.s.port and Will Ccondu.ct -id El. i5 t, w kd : w".The transport e-ngineer will wilkdow.N aad dcu-.ment itha: plhys:ca'.,r i murtI.l featur-s that wilt a f et !th'flew and water Ramt' a pot.e.'tial brak loc!ation to the su.mp, The ibllwng itenis will he.ocisne,-e,, ,a a vV Wrii zebost barriers lated inmsde Coatain-.zt

• Verify stsrctures and it.pingemornt a.r pran veut.rsepansion.
• Vetify snjor paths f,--r eontainme:.rt spray al.w nd a:Ssess; the ares coverd tly .onr.ain.ent sprays# D:..te:irmi spray And drahZsgc f ow"pahs to the siump+Ctnifinn inpt rnitcessruy foRV deb 'ristrnpor-t anly.siS f(GIl)..

be doenrted i; :letter rptla.The structura'l sx;f. mansport rtic, "!wc- wlj; -,-equlir epptox isfratc y Ithflrc df-:; einte."£.:.s.YL No. .!. W:.al .?...t trlw lkrct-As va rverali to this 7SL.. 91 mnm'inme-nt EIiRCON will dev'elop. a detailed wwkdow repo. t M'k.;s.. tid1 tirldigs do.orneuned in sp.readshmet flnnetl w.it: auarrati-ereo i of the szcope;Nasi.' su.nm*ry of resIlts. Met. The detaleM will provide! all 6f the iisulati,:ni material i.:lti'ti!ion, in a sporadsheet &rmnte thatai bf directly used as input for any Ii exr salion-mode l Tlie rpar? will als. co+ntiain the l-,ters reports of th, p.hr:ve .elechted task, as well s; the.walkdo-wn pacages for insulatiOn Pas awttchments, thus resulting in one ovenitfl tepr, ENERCON'wili pos'ide tEl*T 1/Ai~ the e'ka=-rcn'io

.lIsr th dcvul.nsst and spreadshets.;..

SiVs Walkdown Repwor will sppotrt h,'otopica in the overll resolu.tion of1G:31-191 issuvs. First, this report w:.! be parti.f"the desi'.isp.rnfor the debris generaion snd'ransprsrt analyse, fordeteimnnn debris head.: loss atr the¢ eme~rgency suruptnp+'.irrer S:condi, hisi~ report will be part of the ir..su.t i estalis.hln3 a prvgramsto t.cu-trens nd contrel potentil debrs sxoure nrat-ri (¢hermrtl insulation, fire barrier mateial, uaqualified or degraded coatings, etc.)wir.lt.nortsrnert. .~tAI{:.P 11he- slClo'Awis; eiuvraesviii he dlopef. d in at, t ee with WeStiushu.e CA.proy gra,"a,: M '.CitRGONt Wrlk dow Report., All eletfo..ic file.i and will be provild.-d,

• ~( 3%$ Repor No. :rVAW(X)I .RVT(X.)l 0 Aw; w Anr, Pag,.' 6 of 10.£..tter JASO3-49 Rev. 1 Attachment I4 of S sCHrr)Tirs; ENR.C%'ON pop,,oses; to complete the co.5je of'work in umccrdarce with 6;r- n e.to'owi ,Sd, uow" Watts- para Walkdowas Teana B;dgig, [i'rparaion, und Data Coi.ect:oo September22, 2003.B~fcln WaJl'downs

cc abcz 29, 2003 Walkdowas completv October %, 2003, 7 days after sta W,3alkdow(a Resort SaW.aitt.,dl f*r Cx)iammen 8 weeks aer walkdowns FJhwJ Waidown. Report 2 wmeks sler oemmumrr cA'w&vI'.'nws', ANt)

Paicroosn, Innovative Te~kimok.:.v hav ad, tndavidally pjatcipawJ .. tI.e devel.opment awd im.pact m ina.aton of this i.sue with the vast. naaio.h of t1h, uilities. beginning with the tWR units up to, and including many of the PWR untsas wel, As acensequenee,.o"r rompanies rec Oxgniz. the cefinatal morphiug o)f retlaarenr.,s dire.ijoa amkng Dnay tQI USNRC ,?rd e.tablisbed a teaming ar.rangemert wieeby yo' will direetly benefit from a level o'.. et ice id eaptabi islete a cfle ,y tfifdr tala, the su. of its parsV througeb a mut ualI focus enr sitag.'o pfoblbu. -your.q.Each company suppvts this alliance through mutv..ly contributing talent ,here skill sts.t.verlap atie aaaxirnhza, the individua" conuibtsio.s bIxy. iar spec.iultis developcd spttifically toward tns ii'sse. The msul.t unites .ignilkant bench strength ofb'th breaddt &.pth. You will bmeft from tvi- ct:.liaberative rf06t t of th ree o ti :aaticm's -ri s? resoecta. and tmsteid so lution prov d.r1..ENVt;RCON SERX7/CE,, INC, E.r-,ercos. is wn riceering ma.agement and technical cwnsuing rum Clicnt lisl that indudes a npirlet'ble number 1"fengirireri.g. and electric utility cmrpanies is;tt, tar&ind abroad *nercrmr(' soz.l u):onimtniet to cus.mtoer service "ea earned the company the highct t.cpect as an engineerinz, mananageancut, t.e.'sicsal ,niful.tid-n fin., hIt-depth partnecrships with ihadusts a:llow .L"er:or, ferautdn'te innov.rtive slu~tio.:,,. which :u.ppeoat en~g+:nerha~f 4 .tmi.nbg, managaenent .trib[: management, operations, maintenance, and aflair s,Eln,-eron aninteocs oft ice ira Atiat..ta. GA; liTmburgh, PA; Mt Arlh;;gton,NJ

,. Tulsai nd a Cit,, OKY llas amd Housloa, TX; Ozklamd, CA; and Wilmlncton.

NC..Enreon has the exprin- ar:d ftnabcritles, to succe'ur..ily complete the deseribe:A scop;e of wvos. "Recen Iu ercen projets; whi:ch, illustrate tur e.s.sbilities and experience for his typo of worfK scope include th: folioisgt* (1750C k currently leading t'e industay in resolution of PWR sump/trainer issixae. Usiing our experince, and ;nnl;vdology we developed for containment wal-ok-lwns at Davis-rees.e, we an curn'aly"S.p:vtin g Doxuinior atNoath AMnn and Sumrt' with detailed conta~iýent walk.ofdebrH .ources, the contat.menttoor ank d it w. paths to thfic ,.r',.:y sump, and emerge'c sonat docuumentatir; ar.d fao-built d..t: br futrem.Ndj.flr'atinr:. Conta:, "-ominion Genertion, P"roject('334) 273..711I. ,r-.:.: .Report No. TVAWGOJ .RPT.%.00 I......... 0 Rcvkihr, ri A~ttchment J Pt"-z 5 of S At fI.t Da vi.Bs,'e. Nud, ;t.Pamat, En-jrccr dcvielopcd the, desisr. and analyses t; tsuflvrt-of the. tvis-iBssey ECCS suall sw'ainel, (Com.t: Joh*n Grahba. Ptl tsierj i Wa-t..19.vze=eril~g Manager, (4] 9) 32-s1.016 ).EJ..RCON hi. .i.o sum.pported Turkey Point iUnit 3 (Contact: Timi floridal POlW.a .d .Ligbt &zgin.c., (305) 246-431715), at ihc ' " ..welL-downe of their containinene for "or ...hatl would potential impa¢c the W.ribram4;I, : : ..cfdr, flCCS sumnp.ENEP&('ON was one of the indstry'leade 'in rtf'lvinj t:. R. $ eI S .t .ns:t ws'ues i'it11 complete analhys and dr;,Is1.z at "ett" Ncle.r Puwr Plans (Contact.. Ted IM.ton, PLt;I Lrcrkgv Sc'neor nginee'r, (-440) 280-5053) Clinton Power Station, and'nt.;y',a( d GnlfNul--r Station (Cont..t Dob Gordon, £nterg., .eSnor Manage., (631)437-6522.) We.t'jd;cnsc has served r'VA and m particular the S,-uoyah and fbacailiie for many as yourNSSS mvenor and ha, des-eloped an cxceleant relatwircship built ott nouns) respecýt and t-u.;t. AS an inn;nea~rcr patjio-im -s ml~ sim nu~ cia:'r gxieferation i.dusuy, Wes;ir.,ouse curscatly od J;old b-oard status cn the lamner'g.iu"p dihrect, sftecdMw GSy 1-191 ghe-- direct participation a.nd s::ppo;t of NIT provide' a tedible indtstry k4.nw the t.INRC both respect and li.tens to.ITS CORPOR.A71ION s -;o:w

• ixqjmcutr:i h.IS Cc;potan ms mc mzed, aW. Mne oif the countrfs most respected kalead; in she as3alytical erginerirg commln.ty, and has boen active fi; the resoi'.eio-f E'CCS Suctio-strainer i:ssucs "iu..ic tI'1' problems .,,ere br,.-ught k: the. flt'.tos I of indi.-"sy l-teauitn i.rj th early 199S.s. Dunng fie pazmt decade, ITS Corporatioa has add,-es:set an ever..swif aik ru:::grnr:

of..r', a.m l zin. isucs in boshe DWR and PWR ftilitis. ,1ern, recently, in the PWP ar-na u..dtt Q S[V19 1, .;Aia as ."n-"uen ? wi N. .'CON Serviv:s. Inrc, ENERCON ISC conceived. vconstracte and I-y n. in--ovative, aag.~sv tapr.f. *D- D l uctsf..widh' i:taak z I r e-pass.-ce l:ie r for t m.ieav-s Phl Rnt o whichead regtisafry i luestre expeurOcted I obsatisfactorily resodved. Reponr.No. TVAW(.) ..RVI..00l Revisioh 0.........~ !iA taclhtr,.i.lt A ttxce, Se.5 ta,. Page 8 of 10 L.ettcrJASO3:,9 Rev. I Atacb---rt I Page 6 M; 8 I'TS Gozporst:,io offer. a full svectrair;; of mnaly-ical

-evie. .with regard it GSMo 91 issue

; and will be intral palt of this pniect,;t.

Resp-.tive analytie' servces inlvd-e, debtis charsteiqzain, debris vuroce Vtmn c~ilculations, debris transport log'ic. trees., hfit l flu dyn'v..uies (KIM.).r.ly.i., hydraulic systern and strainer head lossi aalysih:, ceupled with hamnds.-on walk-down fir lWs, rfs CorpIIItior's t.eh..nical expetlilse in these techn'cal onle,. reorcsests a- a'j.r*croarpment in the res 1-ut!:n , this i.sue a'd enrmplirn:erns the capabiMities

. the rther tcau .mnembners, IfS £olpc'~lf

-- Pyst. site Pcwcet Clients frm Suctior tm re s::c* Ameri:ea .lelct Power.- DC. Cook* t..ntfe,.y fioston i.disan) -Ilgriro v C'aolina P:wer&t Light -.run-wick-l &.2 S Comlnwealth Edison -- Drctsde.n-,. & 3, i.e Salle-i & 2i Quad Cide-i&.2" c'rs:solklsxeld F.diesn- -Indian Point-I." D-troit Edison-- Fermi* D-.minimn -- North Anne* Dotke Eugin.wring & Services, incorported hEf'aeycan Serivices, iucrpoAtr,"* F~i..-rI~wrgy-... Pci'

• IES Utilities

---. Dutae &iMn5d Niagara Mohawk --Ninc Mile +/-Point- I.' Not-t'Urn States -oe Ninut*celk

• INYPA -Fitzoatri;ýk
• CiuzOahaP-blic Power D-,,;ct--Ft;Cailouu

$tation-.Pacific Gas & F'1eetnk .. DuAblo CarrIon* PST$ & G .--Hon, Cree, ,, rx-v. Ut'lities Geerati:g. Co. ---Cor'ctulb I'r.k* Ver mnnt NKueoar.owr StAtion TRANSCO FID1JUCTS 'S..fty Related M Panuwactu .rer'"NUPIC AudJited Part. 50 Appen"dix B QA -TQMf and 1SC) 9-01,A .Cnified ... ... Rtqx't No. TVAWUOI-RP'!'-OOl.. evision o Lettew JASOZ..49 Rev.Page 7 of's" Transco n k and s,,;stems are,; in serviel at e"vCmy opemai:g p.wer srrt.0nin Vic the livAl States-Metal REficcliveusui.jticrt is installedP at over 90. ac.ar imns-MIRROR. MraaRAftiv Tnslatkn 6c inste At over .0 nuclerunt..."HKMAi-WRAP B3as;ker I:sulatim; System :5 istlled. at vve 30 nuclear* .,ii;vf Fahrkatin. for IKWR's tIsand G'tulf nd Cilant-~PWR D~avis, Basso Nuclea: Plairt CrOS T!i(ONIlT4IA mERMR T".:: fixcd price cost tr fhe a, with th e the io.ias i.makdc.vv 'ask" Task I end 'r"a' 2, Prep-,am .on end Debris Soute "l':ek 3., ...Centing, Waikdwn:a'k 4. Sunyp Are *",sk 5. Wa.kdown Report.n'of costs hav, bW,,n =iseunted and wculd aiso a walkdowr.s sspi- g Sezx;,'alh Nuleai.r Plant UnIgstt w" n.z O0e inlvoice to: Ite 7t lpojjgct value wil ti suLbmimttd ti.toii TVA acceptan of th. .hat Walkdcs,:.Erpo;;t.U&.M Rates.*CT.ARWII.CATTON$IA'1,'SSTIJPTIONS Tin llewins: apti he I = proid-ed:.Bd is hba .d m w(K .;n t'is p cooslh. t :i;jt .attl-tl.r:ntAs. mct Of w itah tous und exceptions as i.deiltiflti in this se.ction. Ch.armgts to i:w:rri.'i.- work sco' teqttdlw 'VA musIt~e a uandby ppop a uaiiy ared upon, sope chang notice*. RTh)Cft by. T[VAW(X)OI -RP P1-0 Amw:a.wrint A E-a-mcn Sr~i"ms Inc. Wflof1 Letter IASC-3-49 Rev.Page 3 ef S 2. S Wctng.bzsus EEC~ o r~i -wih petotc m s -cone.It-* agr: st vikrjof.wurI-I& 11n ionum! f : fi, i.I oinsg-competio ol'eqiirsdtr~in~p, shiall be- tbdged by TVA.3. WoCssr;&NBRXN wiJS I be tA1L raeild accers to ctoutnmmnezt-f~r the, w-alkdown aritm't. Fý,xc.fesive delays Witl 1ýF. tfor :,eqtie- of oddiiiona! fees. v.t cover Ic<t and expenses.4 0.,;ers rrview auttd The cc.- deliverable will be compelfted Sin a maximu..m eftem (10)v 4-!,jg days. A ine.d , con.seWlJd set of"l'VA teview hall l': pro..videdt. to l.t 5. Proposal is bawed o .e euw wn pcirfrre the (5) 12-hor shis.' Should the t'..nm bf dela'.ycd because of ou~nnge aictiviies: orrteqwmiret aditional tirme the acdijtinal vrerk wilbe pefmed one a ime and mater.'ials batis utilizling fth, rate: givs;m ioove. .... ....Ropon. No. I'VAW(Y)J .'P0P .O rluýI of It)A TT.ACH.MENT B: TENNESSEE VALLEY AUTHORITY CONTRACT # 0(1029353 INCLUIDIN(A SUPPLEMENT 1 jok Reporl. No. TV.ANVOOl-...(ylJ-oO0 Fkugc 2 tf 1 "---------------- -SENZ42M3 aMI if, W?CONTRACTI,0. 004q5 T~~NMCS"troug VAx~Y ~fp~W Czrcaft~ tlld -cf1m3vw). and In nENTIQU~ VALW.YAUTCRO~TY fhzeirft;t c~p.,i -,VAI*)(N 4T~$S~ BC3~.t3 ~ btific ?Ave ca~t4i tb1l vomt lw~ bq mm!k tI. CIL-it z~1TN)JESEEV'ALLEY ALU71M-rMT ATMh P*vid A.Sm~b, WEN 4.x .... .....TnJc I":s'.F\"NR C ON S RV C) IS, WCOUATF 50NO TOWNPASYX L.AW K~1~A, GA3014A.-5509 AT TN: J. AAR N1 Y tWTH TUT. T P.-62 ,,' ...... .... Rcpor: No. "'AWOOI .,PT-O0i.......... 0 Atta chre Enec',,,.n ter~ce.. In'. Paue "3 ofi 19 TERMS a CONDITIONS Contractor will prformt fihe follwing: I~I~sJ- Pepaaton or ontinmntWa~hdo".iw vi VIM il assesbie (,ur walk~dovnt, fe= for ite ýtrnii mnd brdginpme nriesuscrw)ms. will hesevwed the peclifk requretnentf. fn Wart B~ar. Adtoal.w iltas s ~t a rdcletuqe vfappllcals pl domea: s.ion su,!h as piping .. .s.t trZ: ciMhsp-. ii- , ci hi s d ISa l,-:4CII, tkIi s., ECOS ,rnnp .NT['SJ-I -al.:T.ilr, sSJ..'Ayrat. r &sig, dn, containment laycutifloc. plan cr-awviag, anrd any andre w costg eval;u atis Qcovs. otracitaor tub sm k s.u !=ZLu 1wr thesljlý&tny Cureve .$ le.ion an atae y TIVA of the! deheerebies dasesIitbd -F- IM: 'Wok wcope WVA e'wut's pa y toaContrctrtbefhrm ftxe-d prie oiTwcnvsosa z ddo arn(SUDO&0O). lIds price shall be fixud atn is nwo v.iec, tC. chene freve;t. pfirft:an ".on fu lly executed %ritten sipplement to ,m.!s con'a-t. plymsntnts u..r. It i cntr.,ct sbp I Inoqt mxoecad S20%C00. '&th fixed pri. of M.0,CX" ,a, only be adiremd banied on dse ncuzs tate.% of 'pm.onuane as afreed erio.p-b Y pamunt to r. fuilly exvecuted -wrivutte upson to TERM OrC CONTRAQTeof this ;ouItsieT slsri' w;lh ju ffdietive dte amns end Septezr.cr 30, 20M4. Th.e m,,is.r4Vs oeiom* =ay exn e up v.) day beyond the ortr:=31 contat expiato date. covnct 3sWl. not be otr On.sd lor heastd Icat gs:..,is. Is a fi:.'lly executed ýwritn supple'mnt to l*.e controct r.ay.'meaff, ices such dis;cts z.."r d<4tion .'n as mareptrvidvd fats se C',strur orby" law, vwll 1- made. by electronaic fu~nd trans~is (atth a TVAh. Electron':c Vendor Pa',ment Vet so). i. 'avn~ent #ii" hr niado by Welstr-.!..ie:uud u=Ielr.. not nore than 3F ca-euda days aeftr the Im- of(i) rtcipt of;is p.rW.r ip.,vi;a) by IVA au tse, offke de t. te or r meiPt Cf Inoki.cs or (ii) aecap.nuos by TVA of the wrl-k. mame;, Q'.equi/pment re.ynird by the at the WAV.l..cationo specified. ispamte invoce,'s) must. be su:tsumied the ..ach.s trder: fre or at. lawo u..digrij hsu;d,. Shonlmd TVA, mn ood t-,b, ditput, any part t oen of fthe in voice pay ~t', ..uu ,cdpOrdo, and the same thai!t ar'vi the For p:rT3oses, Of this provi'sion cn, the ft "ollo3wing dcfC!silions -hall apply: 1. 'Propz ;inoi-", is t lia',eri to, a uuebe:e.. aud dated nvoike, conla'ng -.I TV' Contract on.mber and el;Awo er (if wir IJtse tlcaur lunbnher 's listed, di;count o terms, of payment end r".>,. purs-s. applicable to this Con..rc; de.rriapion of article or servce, quatit.Y' Puit price, and total :aU71 ntn to.l.,t ills vh snzpzohpihqgdo iumetait]susm ee y TVA.A t2cs.c"-,ne re.ant by A once wonr,, ma.iael, or equijropout. m -"f.t the Contmact :equremes sa.d: ac.knovI-icalta. by In os.r pmm. mf TVA tat ,et.ch Contrmt, spccifictia. have bea'n ret. Soally.fcr the purpose' of .ihhtg a nay aw.ess ,Jt4 mlt ;s¢r.op.,tice and 3ckncwludgo't sha'll" be deemed to be et SCvrnth day a 11mr the dmta on wic h .n To vdo.na the ters. and cornditions of the the pro pcty is.eovid"d for elsewhere is:. ejs Con.tr.c; Tn'. vvisd, howavor, s'ch acceptance msy be rewvked at ,ay l3me by VA 2 I Repor.t NO, '"V'aW ( ;" Ht," I..... i::::: ......A t;,)hm er.i B Enetemi stemcos Nit Iage 4 ol' 19 upau -00e discovvýr (i a Jhatmn def-c in .Ae',ign,. .: , wI.; wrkn:anship, 0? aiat sseionform.y of Jh wort, matriAl, owr .qinmenu to dth C.utr.,t requirements. All invoices shaltzl be 5ubmitadtod !Loeee Vlley Authomi-ty, V/stL Ya Tild k.'uaa Plant1, Site Axcounting. Office ADM I C, PO B,)x 2000, Sprlug Cit, T. 37 38j paymenti s trade tIs, J Contac arcs ,syt.c z ttthe proVis iems o f the4, Vrrp Piaytc;st AMt tfl3GNM EFN?TaVornsliactor jimr,' I eres ithct or;- h y =onya cnys due. ortobecrnre d&e shalnot, bo as:;!ed usedJ 'a culer Or Oilrrh d'isposIeýd ofvrittt previou- written consen fr. -fCMU-4 L'I".ng Olliee.WARRA.TY The wmm#nt perod wKillcmec only alfter perfotetrare Of wweak =4d uponj macetance of work by TVA whic h inc luds fine.iirpectiLo:.pIcozi c :on 5.f isl y ree~ m relý-vierw by TVA.Contrctor vo seta tha work pe~rfooned as jraqlkvsd &I cosj)toi of 9is& otrc sjhal l ho pesihred It; bgcc 14ttas writh fil aplolkc.r dra,,ngs, codes and speý-ilcationr.. =d that Contucrs shaill be lmd sole.y repmonible +/-bh a i4* eobh wurk p:eribued by Cont-ractor and it?, subeonfarters or q'epl.;s on thei job, he otre.1w krrlcmt' Cc.:trucior"watrnts Mta accizPten ce, work pesbrm.rl., by cont. , or under Whis , nltdirug a:l :atWm furnise.d.. shall be&e fm-.e~m dsnf*et in kn a s .,a rsr period cf eighý-teen Months. adeRr D'ual acepaecct ad wo.-rk.Ifa. au.N t " ft'e.tr na, t:'c. ce o-. th work and prior to tbe impirrtioeo the vvassan" pe',od, fioe.e vector (r T'A lisaw a. defect "y skuch worlmmdship. Cormtrctor shll. .oon wri,' a notie afr.om T'A witin a time lter dtiscry; co.-rent uh defeeas to dhe scltsacuios of TYA by ropairing or replm-ing the defective wo:rk as. atime alcceptab)le to "fVA w,'lahethr or: net such time. is in the' tura Ai] cota:s incidental: to' suhb ~c.,..,reti actio icluding ; rf;mibr.n itag, :cgmoval. disa'svrnhly, ristallatinn rectex:f.sttots, acter:t,.ng wid rern-sjsr:nimot as may he. ngeesser; /t..correc the defect o~r dentoattrate:: that rite defecive w'ork conta",ns to rime re'gairensezts of lb Contracti shall al_ be borne by Csattr.csex suijiect to term of this co.':/ntac. $lsorl .rem'val, disa.sse.mbly, recors.tuacrion, retostilog an;re oft workl, pafsne y others; be xcosy ocretlthe de!ect or di'monsl'smaet thth rvesl eete trck onkrrk s Uoth eri et of the! Contact, these: cost's shIa*l also; )e borne by. Conltvaatrwu~c to wrs f. t~his clttwact.Contrazctor further wwrttttt .ettY.4 .I' tall vctlytttee n cotieti a^ctiCn against .tct in design. irtterim~,r-orrl' h a p eridceildstct; Zmonths1 t&!,owitng acceptance by !TV-'A of theý euuaaell oork.Should the Mefise t. cmrect or olterwise be wea;.ble t.o cofrct d:fectdve work, cinudiag such defcttive.wrsfkric a may have hence pc-t'rne by, Cotn sfn ubccsntacto <ra spiesTA resezrves the righit tormv caNrhwo~rk. to b corrected by. ethers at the C:ontr'ctor's espeas~e. 'The cone o rsurorina*tj'# o? Czoacrsrs

e.

o,011'tle

otL em shal be. ' wi.held fro= amy mo nies du e the Cnntrac

, v iO; i-no sus mones ar, e du e., shall. beI ,- pat. Z VA wittIrt t.irty (30) daysalý, er sabmittal to ssoi tracrscs oV a b'i"L"ag for ZB CotrDv,,tive wrk.ConLactor s*.nke : cn other v;:s vtw a.% express or implied, with res.pct to its p..xcrhmn nc ,:tnder Contra;ct AUG13M RIGHTSb¢lled un-'Je;r this¢ agre.emen.tl "WA, to ¢itsi igenkts, shall have the right to audit. wishr:s turd ar no ad ,.t,..-.d kost t:, TVA, at anry time duci!-..g tiormual workt"g hour. all imincaued by Cos.ntriscr and .J It, TVA seed may -a-Xa Ce conractmr's records s'eeifiealy relh:"g therto. Any... cnlo, to the Coaractor whic. are nwt in wih con.ac cr P.Mo e..port.d by valud evideoce be ref.undd to TVA. Contractor shall psescrveemid makte av Iaeh records, bothI m aruald thes: which are int tnbhmne reedAtle fs:int,krl 4pyeritd of 3 yemas from the .da4e of i"nal pravyf.nt by TvA INDMIT.Y:Contractor.

wy enlting "sro ag reement for the :;e.'.J ofwaitk scovered by, tae contact, acknnawoi-.ge awsaren= of trAn all liabi'lmy lbs Cmn.vr:ctos.'s , y ou pery dnanag, C-s hu ofi ier m ri'enry arming of or ir. ,y vw;ay coracered the 4 e"fr:rrr ance of tais connlct. "ime Castr.cto" will indmutti v an,,! defieed T'A." its agents ' U No. TVAWM I,.-I{P-T..0(Revision (I Altalh. nmut B I.Inone. .:n- Pa 5e 5 of 19 empoc....d....................- Jf.9..*. .W,5. .~ J..pcsscr)asl lurle puenyv~ &rs:agc. or losso lf vs pssyrt reulsireg from or in ay way, Conneced whir xthe petdorman.e crth.s -c-ZZaL However, th. &.rgo"-g hd.aifieation shall not ,a-ppil.y t I;... hsies or damgag, to persons or P~propery fort which the prtszirzatt --awr ti' the sole neglipre. vf or/'A, he1gna or epoe The " e. Awi r OllR in.vnrds'. by TVA, 4i of it; -'e, i'drýefnrung .;11'.. Usrz anr:d a r.k. for.,Izvwges rifWg vct of the f ietriesC .'ruag:os o." het.and shal pay al! ju:dgrems tha mray be re.dermd in ic. Uti.a,, except whe'r the Proximate ca=s of tt. iuiiwicr, daxmgc, or loect was t< s oigene oft"I"A"it

• ente or employees..*

In anyV antoen by TVA to ra.."ki.ce this Indemnity ps'o~vieirs. the is.sue: of whetises kj~i'sne, daa'g.s,,Or los"e i'r. Con ;'nsatel" cau'cd by th sole .rlg en f I'VA 4h41 "Ex tridu A.ditio,.iy, no judlsvrat. pleading .mnay othe-.. en," d. h ory other wtieon thr .rech lju"ime, dasrmAge, or losDsesl shell be&tsisibl eshntWA ik hny sis-1h ic4&uity' wsrsf~~wwtw alOzL'Ibe Conctracor shl-W defend and save termess TVA from all claim; for msitsreil 'se.d(1minhd or work done and)shall t, all "Who L. w d,;Ic wcsx or mlea '.4e ejatesCis,: hae bm) fu.qly paid. 'lhtb Contractor f',l pay "VA the Cost inclAdg overhea. , of'arty servie ,r matet. provid.d by Iwi, 1 any persons, inluding subsoo. eonror, e i.gag.A b cu a of th Cbntuactots obllgario.w in conn-.iion with tb.b. ontrn.t. 6"- right to the CCamoox:IMRA Ibs* tosaifyanti; cl'.m,, "VA mvniy "is"r 'end payt ty $alnt vip.e a ibis , aM rao,,abe brsi out of any withieh tasd CO.NYR"AC.('rR RliSPONStlglLlf'lE$: Comua groes to Fprovid t"he! Seivice. f ualit'..l p-r:,tmtn" to pctfC, services as more M iO y hi.s con.rac.st, wýhen andv. ran ',qeated by'"V. and upor, t-. 4ou-maefs.. ITA rt.zrrvc. the Ito .p of)'ýImr -s'k w;;-& .* m tm thnlm::;rc wl wor:k vs-..intilx.d Jin !his ciffst--,t e~r rezf .qrrfj !:,a wwik- .'Ch ..:. eut i e rm'ied to bex,: I. the inteest of IVA.Conractmor shall provide suit se .ýrvices as msto'rized by thet contractingks o11-wrer ant mne -se d~irection c o; ;a0f ;rneP T"ohakl. '` Cosntrame Mfanger Mr. rt12w,, K rkpatrirk (42. --I65-1 .ENVIRONMENTAL CONS MDERATION S ContracTor sall con'duct its activ'ities, -: cnnuedcik) with the: pesfonu-Xan of' this contract in suetb a way ;;s to I,'1:r:tsr:fs, into Tar Si reaskonab"ly the c' the en,,kormem and shall assis TIVA in carrying cut coimii.etltsini ~mntaine-d in th* E.n-virnrm.. t,",l F.va.t1 on Pc-Lor.cd and/or the M)viron "ental Impact St.atment, ,t sesib docrss;c..ts ax; s'raieb t the Iprojelt', well as s:sch othw vTs cnr¢rsem:aJ corasr.ltrsseut ,, ..Amay Iv.e. mad i.n relation to 1he work to1 .e unrrtaken by Ce.rsrtrwor in cons.der;ng the inmp.ct of its etel'ities v-oon the Contmactor shall sakt into accoun, sucgh &actors aS, among Ovdrs thi;'A'., u.b.poirs.. e.roio= co.trol, nois corntrt, so'id waste.isposal, so.d wa te wS:r dispoa.l. VA w'll. WM.sitor Centractor'si tcvilvtt1c aSe .", tatta regoe,' for ccretalve actio..s a. requirad, Addicrntwly. T VA to snake euDsvfraorrnsEa' qo ""Eyn pars oft kp way TVA s'.sad -N suppliers dobs.stn-.."V. svs.'; to rdmce t;qc,..ble f:l.nircnra.nta (RT.s) id.s ."violatf cn,,'stnnr..s...l n~,.:,a:ssiy recnnrnlen.ts, and ,whic"h t5-545J51 netstsmatoito. orhs, tor !es: s~i~i.txercs. ed.iws t bS. Federal:.C u "5 t. or:; work stite M: " .y lcat.on stuhzg the: tents c'.outrat pcff:roonce.' nd to F)nmvde TVA With reaonabl-e additional intrumation about such REEs as rquestd.m fA6SZILWg Q.M E-E&OY ~JD.BY TVA'To ther- extC,;tt avi'alsle a..d to the exdent Conractor's esge does nu;t with "i.'V As.v or '; o t:he CL-u-stor's BCt-it..s, t.3 t-S-sokly by 'VA&I, waTer from iA's w"ate' sy.teat, r..e .sting o-utlets: 4 .noirspiessola a exist-ig otl:ts: 4. tc*mporry .essziiities.. 4I ncaNo. 'I'A N\(M I *uRr.oo I En'Lw pe~~sPageC 6 of it9 A;:rssintrrutcdsupply -of nwztzrisafrl.ity? aw! air is my.t guaranewd: u;d TVA Actsv rsct gpautaita vudkta to br-:ncILn These iwi Am piawided 2s a recue ofý cow =,y, and thin shsallno ciete ans' obflUgatic !byXTVA tw pridaC, suchitms It is Conracto's eespasonsbity to obtain utility nervices, equliprm ent nd m.-; r7raIs ncccssarxt peeenotheconrac inthe avant the:se w4, not avallable. wrom TVA.WNotassii;sbECt cotrct C. iMcM& cc'nuueral items as de-;fined at 41 U.S.C. 403M1),WitSCtttf: sa'ldiido~a dfle bhi.)Phi lw a1049,thn. D);w,-rroe VwrZp, Ac f. nhiis'A titan.u vyonietti into this contract uztn's the vvcnhfartotr ceati.fiz I fgtý i;tw 'Il Tra-Itaill a dsugettce woAPI;qdxe nitl vavee totaetshnn reasonable measuresý tW isrnc ts wokq mlplae veil: re-mai drug. free. Please note that neitietr the statute mm.r bbi clause rc-.uirc tho contractor' to undemisks drug te,-,a r Cmpic-yPc Or t aedoarrhshilit`tcn (a~ ienmwus.As used mr fhiis pravision: tOntrn1lkd sul4atance". mean aL controlleW subsctac in sc~hedules I throuigh V of soction 202 o~f tbe Cceitroil~d Shstassrm,c Act M2 Ui S C.,~ 8y 12) awl, aS furthe &rmdeind in regulati:., At 21 C FA. 3§ .0 9:! 1309.1 S., Gonvi amou', roetis. a IiulIni;g of~g M:ilt (in c Iudin f tr.Ie 1 fl f ofl wisb cuter d tre) o r impoit.i oa o f sentence, orbth.býy any jodicisi body ctre n he scyýarosjihiliy to dealztecmm violatio.,n3 of the federal Or St at c at dmnz, tr dzea urug sta.tute' nwsaAsc! rnn1acs cniz sature invo-tog the manufacrare d~iwrbin~d-., Powuufcsure 0-iatrihu oft M dices np. ossessoo s facotoldsbtne ,ladividnal^ mness anoz frrcnrcc Ow.t ha no snore than owne ivploycc. irslssding. theot- emorarr tbre Contrat ceUNies And agrees that, mvitl respect tw all Cemployets of thet casnncto:.0 e-pljoyed in4r1 eru"rc of this csw-ir;)ct itsall"-ritaisiori, or. wse oftg controllcd nubtAnceC in 4ehbtdis the eco~twatrs wo~rkplace anld lpctigbe;

wuona-tb'a will b.e taken against empk.oyýeesr, fm ltin qo such ydnik ()Establish

drujg-fore afwareass Priga to tifeo= sucxh emp! oyees about-ý(I C Thdnmlgr oft drug nbhm n slr, wrpae* hý (1)-1 otatr oiyofmttiluadnge wrlce (3) llro'id;e tl eni. ye cngge4 t perfom ance ofttc contracnt with a copy of u;1.e s7Atemen reqrres Vy stopragph (0(1 dzlttu rmrrsw~

V Repor;No. 'JYAW(X) .RfCVAX);... .I. Revisiont 0 Awtch. emoB Enaon~~Fs ce0c~ cw. 7a of 19 (4] Noti-fy situl: employeets irn it: statement! ruqufred by razbpimsarpb @)"(1) of mhs puolns'v that, aw a O f.)rnttmw.d etuiployces't oa t&e contracf, 6-e will1-Abi) hde.by the terms of ith statement; aind (IN Notify I th em Ipi Qoyc0 v -'Yaiy riria l dsam stt c C.1vctio()n forI a %,'iof l ni n oýCcurit tg ill thk wrklc w. later duvn f)lvc (5) dastlErucb conviction.. (5) Nocitvy the Ocxmur-uing ORIculer: wi un ts (10) days after reci Ving nzoticce mndersb sis()(X) of!his front en or oderni. re-,"cei.ving actu.al notice of such co.,viction:; (6 UWtindit (10) days after receiving notic undet w abtvgrep (~b) of tins prwvision of a convictIon., inqiose! tex foilowios., sscir r mnfondiai m asuron an.;: erenplqjyc wYho is cfrsavite.d msfd-ng abusevoniu (i) T'i0-0 apprcptriate PeSonnel action agzi=.. S-nc1 employee, 6p 0o and including tei--.m'c-: or (ii) Requitre hnch einployec

u. &xatisfactoily patileinote im. a eeigabLw ms*Iass ~me or tc*habiffiukw agerw.y; andI) (hX6l) of'this yrros.'ou".iv.

-.(c) .5. Is "he Cc1ctreo:., Wf in'ivi.al, agr.es, by aw-avd of the contr,;t: not to egaege.-. in ihl onl.wt- vft.s,...tir., stisrdih.tiort. ri.ing. prssisr.as, or ise ffa cou.trh substance iorthe: ..c.fo:.ance of Mhisc's r~arslaph (,:) ts4-All wn tutc a mrastrial b,.adshf virts. vaý.rItling TVA wv sspenW m ymrzt..tcrm't=on .a t.e cont:.ct, siv sp.Msrd ,r dbin the coyntrtacto "rusn"eie. n st ntrhcting

,t:.h I whu'tit.kb.e of the Deug.'Frcc Work.p;;lrAe of 198 R (P.k .La !s' No. r-9 rke such cOfx, cr ation a.sy 1%yb in Wccordanc wit l'41 or the EMPLOYEE PROTECTED rVITIF.S: A.. Contacor sh.ll p comply w'ift Sme-rtn 2 H of' ie:

Act of J974, which p't"oic slurs h~ltiittSt e 'proyc fLo ¢engaing"..l , ni activities. Thel Sec:re ~try o~f Isho / that "discri.ainao' me-ans dl",arge (.- r Alny ther adverse actions thate. etate ton ,omp'e.sark.. te1rs,<.onslirtins, and privilegýct of templkrnet, end et .he -cm- ".e7otcctcd ativ.i:s" inehwes:, vawn; cther et'elYtu ntuciear safety or quaLiy control complaints cithcr i..enilyv to their employer or to the Nuclear os shoonracera ugresisel t~tsttera cvxplf;yee

6llegation o disr~irinatic.n few engaging.

ifn prmtcc'd sctv with reMsect to work. nder Itis a,,en-...t and shall such allegaftion. in.t, wozkhis day after s earlier of Coet.ncwtor's cc iW subccntractof's receipt of (l) an- allegat.ion awssoiattd with, work ccdcr is agwi.11e.i by IV,. -cm..oyvce or frmez pCloyee of Contractor or its :hoo.a. o of discririnatics becraue Cf In pmroteA.c P.ioatviie or iii) notice of Oic filing o.f a Seurks" 211 Ccnupii;by any amploy. or.hemployee-, IContiactor Iall not ify ic IVA. Cone=rns';i R".l.o Stlafftle of cor wultpiaint intiWiiflf,,e&her wivtr ? coply of any c.hopiar .TVA's OffIk of the Ckncla, ('TA 016tJ"') may. as i:e option. cvduct azs swvesnigan.. of such allegation r co'mplaint. C.otiuc,,,r shall coeperv.: fully" with the T"VA 01G in order to pcrmit a full ine.tigatita (Af Finy such allegatio.s ihall pn-vhin IVA aty s;vrstiw.tivc rpecrt.J t, ft may pereas a result of any such ttlatirin or coplait, And sh'ell tclso ,nsve to TVA a fall r; irsrs- :lnsrzipthx ofi Jn*,(zigepzeotm action tIIl=n itt Stipse to atny ZeUc~rnin or casint. n eicntuewfser toy su10h O.laation or cipait als carges TVA mpocs"t in. .--,i,.-trcy ac'fvi..es, 7 VA's Office Cof mt Cenital Counsel wll reprem.n TVA in anyarisn~g. ou;t Of the h'pre.- and' thall e;s;pnr;te flatly wit,; TVA noutn'l in itt rprsecratioo. 6 -;K...l ......Encwtr Se'h4c. r Rcrpori No. TVAW(g)I*RPT-() Revisioun 0 Allacdhrn; B.................................................. B. Coatmacor nnuc !thait -o :Zpement atmimtA. e cotilt: ns~ u, tenus. conditvuIons. aud p;ivilrges of tr.z.piymot, ;inclu gl~t :.not :tmst.~l It, any 2grerment toD anlt P.eriaft itierd by an niplo'yea or ftrr.c-r tmplhý'ye of ffthe Contractc,.'r w?'t iMe,-etrw v.f., Lar .Seqntc':..In 'M 3 eTi., F..s.gylcrganin.,m. Ac oft J974, aj x nrdmte , ,may cotaW inkny provison

• woeld -roJbIt, orestrict, or othervis-disourn- a.n m.ployee or fcrmer emrlo, pft ipatrtp ire in prot:ected .civity" a.n de.s:cibed

thi ib "Plmplo'vy

Prtfti ou" regr'laticllu of fte N C (pnbhsh-(d at 0 CI ) M..4 incm;.i.j, but not. lim ited to. prr.,ding ..fornr.si..r: t NRC ,.n potetil noaton-s OfNr"OCa; re;gfulaions osr other T wahewithn liTC;*S ngisoyreatbzs C, Anyv keactth of this provision ShIlI be a naztriei lsreacr of thz a Aneet fritle e-vent INi? imputes .. Civil Fena!'y against TVA bs a rtu't of: breach atitis pr.ovision, su-h civil pen.lty is con.det by lhepertr.a to sre (ireft and- nryt. special or cnauaaldanaPSg. h)mCsua tor t- a r -In o psethis pvovisIrrnc etlitreg -wih sr flrswiirswn ntqulicmcrt oref s 'sentene, in anil subWn~tracu, of mny tier entered into pursuren ito this; agrentt , WilSsTA mvcrnass in wetting to cechtdc a eatEcirt subcontraet or class of s'uboontracts. B.: Nothing Wi :.. agreenmt shrill in any way eftit the '"IVA 0IG'*s uder the i-nspector Gne-ra! A.t, es arnsortcd, icludinig the mAethrlty 1n abp:sena. e.sc.lbrd in Nctoar Powe." Stlandud l'rowams and i't-esss 1.0u nat addres conrctor reponsitsflltie.s for op".: -toenure hanl'd;t o".Sec.tin 21I co..7wpal.. invo'eng TA,.r,.tt',, tVpod tlu e ors; rs Ljt..gearr.t. Conramt~or sarh, at its expense, p l s th zervices of thc legal C.uns.i .e:en:ed i.. TVA to pvtwidc ra'mr.1 to re.tp cts to flJ Mlod umrder Seetion i!.INSURANCE, u.!teirr rltnfmwi.sispcifa irshis of.wttrevl. lthe Contraxtor !Shell arcrr nd rlebnt-aill 4' effect, at :.,I "..nes atturig the ptrf-rrrmmn.c cf work, insu.nters coven.",at. w:h !:n.its rnet. ee;m tM.;n *hose set for.; below wit1 insurerm arA under lk=re- of p mvlicies saislactorij to IVA. Thc Corntractor sheel to TVA nto later titan ten) ( 10; days aer ex&cutori of the pu'dltase order, a'id In any event prior to commnoomar nt rof wcr. on a. TVA. itrs, a compieted Cxtrd! fo ofi r e,.,o.,,,i.or iulr acere fasre certif.ied copi.s of '..., h.ick"s C'mote Gontrting .Offi er pnmrptiy upon iVAs' request.The bto ho vidtid heret.unIer sIL,,l -., %rt.;Eu by on.e rer...' ntmional inr.ace con;pniri... mSvtherire'd to (I.. b.sh*e;nja in Tennesse, which t.-all he eiher .loyd?. Cucc.;.aie, u.asorably accptable tu. TVt otr crted 'A' trs b.tter h.v A.M. Best C.'eeprtsy. 2.. E-mployer's; lUahilit 3. Bodei' Injury x'*d Ptroperty DzOspap Automrob '..e Liability (owned. hired, and nren-ownerl

4. EdIly In.juryo 5. P.:e'stya j Daqme.9..u.n.... Limits Statvtory recuirerreents

.$IGO-Ieoo each ocurrence t $tit?,000 eac.h arz,'l:re.,ni' mc cm.t I ; "'t$1.0M.0O3 e"mil p.rs;on... "$i ,00,C00 cact. ooo¢urrrrr,r.a $i.0.'03.0&3 rsheca'. '¢a.s.rrensc c-r reten.'n amounts. uder tie, poticie;,' dr,,sibd a:ove ,:ha.:! & c;W xr not 5 pemcer:t of the pest =, ;rfence ho.numpe Ernft, t thu expross writen t:r'r...nrt ef the Offic.r.Contmnctor's, .;.esnm TVA *owned vehicles shou!d vvoo cinur titl.' 'Cortnmaokrt, Use of TVA ,'-hidýn.'. Repo.t No. T.VAWUI..Rhi'-.P0t

n:e::::::xrn 9 ofac 1o A. To'A ifs rot t.,kirir.Jr.g any

o. bahalf ot Controlor covenrig against loss or damage to te.'work or to any ,tner property of Contractor'l rss otherise specifloaliy stated herent, and as rrray De describedl by vopendlx heeto. lr 1.rihe event Contractor agaJnst phsloal ios.s or&'rna..1get Cv* ieo0 corsstrucitiuq equipment and tools, 5000 Insurt!3P shatnll d ant insu;zwe waie" of rig.hsL. of Stu"rogatln .n Tfaor ofr &TVA. the Uipted Stats,. and thell.r employees ans a, "'h~e pollcy of insur'a..ce wnioh Genera.l lilabzility shall cont.ain a provision or and etorsanin static that suoh insvranm.c:

1. to thc irirelornoitliabily by un.der thi.s p.urcha~se or"der, subjeot, , to all ct the and con.tons at suc&h insurance 2. Provides coverage for p.emiseslopramilor.s, at least 2-year produetsb,,rnpied operauc.i..

and other coverages or eundorse;,ents recjuired by the Cn:;.tr.ating O. fficfer C Shu;l:d anyv of tne wo.rk-1. Beo upon or cont'guous i tnavigable b-die. of vrater, C6:ontrctor shall also carry cve.ring its ealpioyees for benefits avealable under the U.S Lct%.shcrermen'a end Harbor Woers'. " Compensation Ac. or Jones Act to tnM exdent required by law;2 Involve wateroraft owned or opera.ed by the contractor liatslitm y e-s'!ng out of suc wa;erraP.shal: be irwu.ed by the Co:preIhesive

v G eral Liabiliijty r&tar

c- or by quivalest isuranc.-:e such aes Prtecilon end indemn,.i insumene withe acombined single limi net les th, han 5.003,00 eagch occurrence If t.e hut s inSmsred, suclh: !nsurarcn shalt for an ipnurers waver-e of subrogation r'phts in favor of TVA, te United ,eStas. end their employees, and agents;~ invr'vo aircraft (.xed w.n.g or h;ev'icpte) ojwner or operated try tin Cotractor, lk-sriity urr.lne ouml of such aircraft inha! b. Insured for a criv%:rnl nlniiln fin ert r ess than r1.*.00..0t,.

emcn and such lii..'t sihli oplyi Bovily Injury (includingt passengers) and Frope.rt'anlage L:ablity. If tthe a.rafl is insured such hinsurance shall previde for ain In.uer'swaiver of subrog.ation rlght In laor of -,A, theo United Stats, and their employees arid D. All liabil.ty insura.ce providod thbis pur:h-so oirder (including Genera! Lsub , A'Ii ..i.Ubitj.!!, and Excess Liability v.overages) shall piwide that 1. VA. the *).,,.. ther offiers. ae.nts.emplovyes. and volintoc.. are adde.cl ar. ddilfoat in.,ured on a. rsrmary ncnmccnr.triuor basis to the Conrac.tor's (liability) insurasce oclicies shown u..) v, and with respec. to any iiability of additional insured's ,rising out of or rro-uttiri.2 fro onm..'..r.,s operations perforrmre for tle additiMonal nsureds, incliding. but not Pr ;.led to. liability of th.e addtioinal inured; o the ge~a'.i .jpaion of suc.h opmeations..

2. It an Insurer's watver of of subrocgaton in favor of CWA, the Un'ied stats and th.ir employees ard a ents, 3 It stats tha, it is p!Z n:arj, nonctrlbutory insur'ance.

and cont4iins a eeewr-b!ii.y of c.u:.se..F. The r.irem-anir. anl-ined herein as to types and immts, a- well as, "IV,'s a! pproval ef insuvrance cera, e Ic be mainn-hined by Copitmnrc.er, a re ot intended to arid shall ir any. ;lt C1 qualify the liabi;ities and oblpstions o! Contractor under the order.The", Contrlctor shall provi'e at least thl'ry (3 ,' .J;/s w.itrr.n notce atof canelmn.lation. ex.iroti:;ns, temninatiors. and altera:tions of the insurance polici'kc. G Contractor tlta.. !ecuira of its subcontract'rs to rrreinirl &),rkans Compenp.sation Insurane a.tIn redluiremerts.l.ri tha evnt Coelr.,sr;tdrtrps.lires to of it.;sub-ontrtx; to provide any edjilor;al i;surance, Contractoar shall require tNhat '.IVA, te, Urit:rs St.ts. their effcitc.r. a'ents, employees6 and volunle.ers be named an rnsuracds w,,th repect

Nn. 'TVA'AtVO .RVJ'-O0 I Rsivitior(0 Erser.eors S.i.j',s S.c ID¢ o } f 19.suen Insurace. ud a In.suranc

n; " irovide tor t1he Ir waive tsibrogat r:hts Ili foi, ,of TVA, ti`w- United States: arid ei er.tpiyees rd -,go,.ts.H. Fa&ure by" the0 tCwtc.tr.r or its subzntraotors to provide arnd maintain tti.rent, vehli celTiti!.tes of.nsurnce thraugtho4, the murchase cder pero.tarm ce ptric.d. 5shal Pe a materiafl br k:'. af! purclhe-, order arhtich TWA may exercise ary tights or remedies it "ay ave Und.. the puroa.n. or;d'r cr at.a0 hscIdinq Use .Hpight -b wIthoid due and OWinp Vie Ccttector hiereu tder. t. 'he.ltermlauv, TVA may. at its sofs opmton, accept written that t or its suboor-tractors.

selfninsumm re in acordanceX With epaboworkers' copn rmtsr fw W.: dia" ,!,ba'o.i.2.t, arnd oli;igmiins it h.3s or MW.y nave cnrtter such l ws;, provided. owever, that C.t'o actOr must provide to WA satisfa.i4-oy wrlten s-hvwirrg that Its or ha easoo.tractors' self.lrmsu'fjte piar:(s) he been a~thdribze by Me appiopriate Stale .ugatc.ty entity.MM.DIAL S.ERVICES: TVA is wxa prav'di'g art, medical rvic:s so Cranc-urtr i: or COmtracter's mnplssyees. CVntrzaer s:hal.e rcýrspolV sh)ht f;1,am c.wr.$s 2sg apfr Jrrrsrite c coeaPnge C.r ibo" th C.vsr'itadr m, b.d hcc F.rCe7tor2z mplo.yee in icwth j'p`k O.bie rules a.nd c,;A's i. vot ig. emrgz,'.c.ia that a ie ...att ugI'I'VA, wo the erttxnr medical srvims re ava..able, nhall an.sit in the pm.rovf.i.n ot e.a s3tion to a mdic:'.. reateluzt faCility.In Mae event. WVA p!rovies any of te fbIloving service baic d irtalled wi-snsmessnr. reed OW311w.lkcan sard, if appropriate, referral to prcvider ccslde WSA cim=ore ~eintmdicalcses t'tluditi; mergency medi;,al ewes, and otiher services list employ.e, ofdtntrs-tor ws athor-zed and approved by ,VA, these medical services will Ne dies she, remmcst Wo 1ro-ilde there 1it av Iehle, iot in "m re.chatl IVA be cbiigexrdl sto provitin Vjreler sezvobes snder tt.s conitract than it does to) tc, own m.ployees.. lna etver,! TVA Provj.lds medical c'sahraior., TVA', will he provideJ to Contractor, end the frceipt :in such serices, Contractor hereby agrees: ,a) Toa relase., drt3/4" is~n~. i. 'a, ave-hmrifrr tw. e.s IVA eisa the Uatsmed .ts authorize. r.resenmccs.".s~i~eSSO-,h or" ass,,igr.,, e,,'d ed:t of their tsfiicsrss a:;d e:mp'ioyees the',m su.e' a.gains~t any sm,4trca! cains. o,rrsanst.mt lstsjswt21ndhm attcraey's; 1"ibs, arisig i-r, Ur.seOI truths! of susmi wvercs vs thez ;Ict of acli fisei1.!iiiio by Cuzn.r'tor's employees. itncluding claims and dema,-nds wising cut ofthe sole active of TWA, itV ..jgents. rifle:ra. igs r.prc.mettivcs.(s) Tat pon eecc7s of arty' netiec-oirw TVA. ofma vael rtilh c .den d'orlin -.r ., agin TVAirvcit meos'yrnv. WA ...:..no. the def'ense o'snc~h clam, deman iiab,]'ty. btut also uponu ants)' (iijudgment, to ma n tfny eveia ll p yieancsryhr'nd. thereto, Cont-actor sSall promptly pay oret .et.,ice.. diretly to the prviders theret'NJtAREEfY HAq~i ~tEULER NQjTS, ri-or to, or at the time o, i sbweot ofithe rs4'=fuc,, 1,, el to txtVA nlejtar facility, Tl'VA tvi.l ,ti.suhh iiabiiit& prolcsn in accordance ith Seaktin 170 of the Ate^n*m F-i.gy Act (22 11.513. C 2210) and .-picaie'rvonld euide'rke to rmndst:ain in fltee. du.ri ng, the purle¢d. of mtio. ..of. th.e. plnt, lath e. xtent, available-on ri.ancbhle*

temms, wh'clt would Isa resulr. i a. mfe. h m= r:ipmaLrrmnt eof the rtre.et1on f-fo*rdd to she. Co:nn'erctor e4d thS spplie.. :ziez' fise rxt'falg sy.teru rVA waiws an.y claim it mi.ght have agains, ts.e ('cntrra.ctor or its.. sut'..oontracs'-.

lcaav' tf d mA.e to, ic:,eS or., Or loss of lir: ofa ypr &opc,.ty as 6n site of "IVAn$elar fecility rceti4ng fom naueteat.ee.gyv "nazadrdo pro., eoret osfrrt thsconrea:5. 9 Repor "No. T'VAW(X. -EPT 0")~% Revi-sion-(3=t============ Atuti~h crnt B tlr.ete~e. St.Mrrs. To, Pitee. Ii 01$ [YVA -wil. indcmniy dte Counacre: arsid itsi sshcou'uuer.o stud tavr it icDa aefontay cc rs.loss or Ii13iityarsin$a Itsnsu fdjMansae to. Ise oFfa .f or los oVc or zy prptytt;F.l.t O~c* i; ofi~h. TVA smicinicp etyu:L:J.:: I:r g ".c.-m fnch'ar rsnerfy a i h .ds or nuclear ncidents. it 'n retur fr this dication t.e ContrActor weLivc3 ulpir- it miiht hav'; -a.iny any third FwW btiaae ofdarign t=, loso of, or Ic:s or"cr its propertat the si.t Of the VA, cacra:o Tiliv 'ryn'!ting fro, a.uýclr roergyhaa ornn.ea "ncidents"'list indernnifc~ation paivisioras viii a:'p;y to t,'ea hifll Inc tw anod regpdkev of f":ult. TIm sucontý.rctors referrd to above in.:lude an.y of t'e .upylien of I nt.aOf l, xfinefit r seVicesm foy the( work. zgar~les; of ties.For ocrpones of these ptov~iozM the (1tobihlwrdflss-n 6hM] apply.. iNule r sm .Y ard shall mean the hzzrAjm'.'s ofancle-er mateia. ..-A"mnous Prt:pvrri.;" týWi Inclde nadiouti."e, =x14, cr explcsive preptic ofnuclar aatrW.N:.cht ateinal'A 1:'l incldem 'qonure rmzlute Nristi, specia Immciess taelOr by-fpsduat t.atri4i Ps at's defied in Lhe Atom.c LZ'cr., Act (42 U.S.C. g 2l -4). "Nuc.ear"ici.ent" shall Sh : ' s .!c enh:.+V. r'vse t..t Was ..in th A.,mic .a rgy A't. (4Z1 U.S.C. 1, 20"4(4$.If contact covrs0ood or services for rnseae plrssao Kuy grx-MdS or wsrvicpa whtichf nsist be mpaaircd, rpce.or installe wiil" "We rlwoznn tc ihout cost to Conr.matot to. the extent neccszy to P-rn!1 it zto perf.;Rm-the work.Fmergency Izib.-atinu -'.et; A SAfETY AND HIEALTH: t No" ronVpoydb tihec Ccsz Actr or ang subcoxntractr. tim;cbrucc of work puruant touti contract at a projeom Vtorrksitte -r cw,'.'J lii be tri to work in t'er1rdinf. or Sarte.n whic~h ar uns'anitary. )..ar'd.yss 6rd.um. to his ssuinyorkJeahh, is r:rrirx to tiar rnter-ription in ste- perfonrnaass titlw! cowntct, the Corirrentr sial czpy ith? thmrvisions of Stcrion 107 of tlh t.crmnact Wk'c flour and Saftby tadrdf- Act ) -tb.s m ifer.rice wo. does nt, sZ.ply to contract, for co.a.norcial iRtms us d.find at 4. U.S.C. 403(12), touu.J! lr 'V.i"tuoa of CWitSSA itclf rm.y .:i.appv%) anad flth Snfetyand iezahh Act of P70 m ltS IAm cgua.kts and scu ot.erweernentst for the protection of health or :atty ,s rosy lplks iro3/4&rl that the Con.ree, adtar co.ply wtht erich additioal ecevsacatic..m in.,udig Tt4 sweuu:a s3¢~ reut tlatti.g sa.fety a.rd health, i~n cont-Prf, el j t u h mcei they sWre morn atningmnt It shall t.e the resrponsibi~lty of the Contraecir s"d ansy muouco r m..ate .ad mar:Ftaic .r:v s a. y ur, y w comply with the iregoing r=quir<ments; to mprovide for E'rquraf. and regular -l-spectol offth jot sius, s;uriats. and equip.ent, to identify and probihit work in an =nea!e o:r os.slsr.cs~ts: wenrk hsstln. , me .- 'a.. maciny, mtot fs, tua:"rsrso.w or t pntr. aimd tw. .ionu! oly those emnyloycee quawl.Yu'l by tus;;Jsng or cz.risr. to opera=. eqr-npmnen and cm , ke'eoqgot*z.. Tfhie Cnuu'artor bra ,tsrse ii'; ' w.e:.ir, wn reralms-iue by i's s onb mact.'. ureld ath smridn am hmeath prov'isions erein..Isskuii~onto .imdxwr.Fr riepteo hse sfety sodA healthprvisions, T4echnica!l Csta. uc ,eans (.1) th.et ..VA Cý m nt hstý.ac Cuat Tec-l-uidal MrLger's &sidinee, (bI) v,,e: i.mr. is no"re oicl CQntract Manger, the '1NA cr.ry.mre sup..ris..s.g the work at the 'uhrr the work is t.. ben pe'riomed under tire contract (Jdteste Represenative).,sfrt .s.o u H.nhh y';as,. Work to bet perfor'tmed vnrder t'h's contact seh. be ctrahs.,tcd Ibe an y reeognimxr poteutiolat &~torrrr~ie-..d by the Tec'n.cal; C a~g, in th'/"e '.,'enttirt ay olenhiira harant recogrufted, the,: Conuta.cto., prior to eusroao , the wilL A. WNe. r e. , by the Teri al Crasinict nr:s. sbtut IUsMy WArl pMan ilnl rti-n )0 tlays poor to atut of iontr.'act or aw otherwise s tzfeý in t.is conttrac..t, ng hw i- pfr,,.,,s to ..promote health aw'l i.n t -(r work er.vr.,ent; .uch .lamu.tbeaved by rTechnic:l Core?-Maage: 10 +.... ........Report No. "VAWO() I Atltachmtnot Yi E~ne,,.ro, tan Iage I 2 0!i I !i i), WOte recuir.d by fthe 'erhnie-l Ccr.'n Manager. ne! in,. coerencea to .teues devel..eli. in~perreasattui ntIceodintio ofCoonacor' saetyandiarhh rocwsaIll coatileion. crwhh 1conince4 tva!utor. arn, zppro.d umider thereqrkee .tsol t.hi pavkW.te of the cntra? :hall n. afo-f ; c'..cc c~i 2 tio~ wderthehaic"'tv povisio.n ofW5i contrat.de4 Vod i..oCctcanrwr t uvr~trvi iiaitd 4ium, once n M reca 0i adixacitknts and o=esp.atf onn dis.ass in aeord-.ene the pevision o.f 29 C.FKR. pt, 190A. kin the Cosract& slm.t. .:mita r,-ch records ,s requLi by the Te1hnkicl Manage t cos.t for .,pair"ng or replahn-g prwo:y, naoneiecs. stapliýs.nd m euipnemnt In accdents occour..g nbile dobwc ncir.dent to this czteac.Cto;zss "Sri fay llrecotv.The ot ao a;hnll retain a aetstfa??OsTtet 1 titt wllar W~of is in pigeswho shat ear so'bi lv te Consuaaters aeyaavek rgar 'audwho. shell have %wuthoity to correto 'M'e. contractaas amvpacseunti.m shal. rzs.apmid jxozpdy.to the Connect MWnegrx i:n orne: r cde or eliminate conditins whierh in the opinion of the Te-ihnical Co, ract Masager coest.ate .- thmeat tm apfatr to tra-ten life, bealth or propery at t(h work locat.on.3krpoayjS ee 11l~ti~a'ud. n,&!= A!14..savtr -hl haild wad roatatahi such knjxirary brirlicak.roadc, andA other mamn ofpa3sm.e as arc necessary

and not otherwise ,owide by TVA shall '.ovide tot conveai.ta.es.

t tr varius artsotde wok ad 'a adacet prvatproprtywhi h -may 1w affsee by the uwork and shall provide reach occupied by Oth wCork. fhca Coratranofrs1hrl Pal;prnvifko sad eekbes'5ra$agh e ligirma wtateltor., emc., as?re noressair to, proocotv tbe public mnd the work. Should coradhiosi aris- on t'e 'a' a 'which renuire that smedat aia:nn.iasl he ma ia to p.re- tt t!a paic p rom danger or la.s o mf d :mat, de tc..rly cr indiretly to at.p~occaio oth woktheCo~tracr hel s~ae te ecasarypaoiwo, The. Coumtnr'rtr'haT "a' reanonsie Icr me Sffficiency .and mafety 0aa1l sno. tepesxr::ry Oaarks ,rand p;oviAtolra anad 'a %vwsi,-tl: fre all da..aga re&s.itig th'orn' ajj- "1"he shall net uhistut, Clone, or. .c'bst-'r a"" e'cistarg hagliwa¢y, c oter .=cotne'eaictlons rysrtos-s until vennhsiaan therefor bas been o btined frr t,'c "r"a e~al Ceortnant Manager.fro..- and of ,va.ete asanten'als or abl. ish,. and prior to con-tplatior o:f the work. abel?remo,,e 'ny e.shitiha. fsai.th, premiuniserad all tools, scafiblag

1. qipmeni and mrtorial not th3j prea'tvy ofTV&, T3..or. taiuiitior of" t: ..e wrack, the.d ,ontrac'tcar heave the wrack and premises.

it.t. a ceat.neat,,, a.-.., "'orkrn-anhiie trero (n, aEtc mAv Heat6U ,1'c~ti. hllJ rerneaa thie repr cihltf the Contractor to- esisre , .the:tereon provision we Complied wit1h at all titee, :axi-dcd, however to chnical -Ccoratret ?vMasacr sheeP-U hae therht (N no %.e&y) t itiSfect abeCc r tcuaIn np&io;n,; asý in oahe aefala-ns propi to wsau tme dci, tc4'd mirennS for health and saety under imt conravt are beiog aet. Il iel:eer th-a d.Acien.cas !..I coursplyhig with the foregoing pro.sciota tr, the of TVA .rmug inspection,, or othevise, 'TVA will. pfrtuapr'y nolif" Coetrcto. duun W.t Technical Contrc Manager. :p." rceipt of aorta notice Coxinaatoer shel ii dla:ely an ani.er all or. par-t of siae iv.rk:'i, g psalo. ,.rfcane. undo' the povennis at'. thifs cont'act sa.t.nih.,etoy for catentiots o~f t. aw o teaeass co'tt ly the Contractor. ny stoep c'rdsr. issued by tie Techncaal C~ninwa.: M'reeger :shall app..y In. ,worir.prrforaaad lay any m.bNcn t.sator'a" w.ad!] ass by the prisoe co-tstratc,' th,,i conuct. "he "'e.ch l Ct, act Manaira aic.,l ha', the utho:riy to aequire .rmovaaof'any persoen, a TA work occia'rerare to. rlet'.shaelu (1) rJ.se caine or cau;ses of such aecdleet; (2) the degree of'sea¢oal leisri~rs, (3) th darcig~e to TVA.V,,owae'd pr-petfy, ("Af te CtTeut ofisuch aasrt e;si. up:n ,orc. of dhle wiork ye'4 , the a.l: the coentrsct, npd (5) peo"titernnt info ,r.=3tinm. In orer ae s.'.e.ahl. ff i. ..cX ,hall have the tufsorityt.o' q:ill-. :1 ayf, pw.,;arans haviMo ks'.dgc relative to or preset wq e.t sch Sacciden!t

occlired, mnd a'etas of th.e .',mctvi *wad all sacstatrs).

~.*~tx rs'zz Ittvsion 0)AttnAhment B a~~~tr~~~ag j~~rske ',t'1 of 19 pteicr-sz"xi eLfwuprune thp~rnc tsnnt mjr lob-sitc omwl ne ercntrolled by 'TVA =1~ Iwearct rsprnit t mvjp;o~ttmlivYt eipensI w1.e: Pt sq i ifl tAb thei TVA rproject cI;r plIan. wr;:de (wts sa53fet vr heý!a Lth C(4ixi Ci &*i 1;$r an Sd, Ih3,c- o Tc. stallf,-- t'. rqurr ktQo be clecan s:-av tn in th i ctrasbit tvnatnr thc an --I k;j eur'.cýc c f.A th s devize fuoatee lace Any pmm~o req'Wreinte tcs m~ corretiv Cevewe sh'all atar ha mrequite tobjav !'tcwinl reSprsrest g~lnsec whfen neperting to wank mn ci an to bemt -fteporpty n ptssecx emplo:ýyed by Ute comwtr-tor Or- by mly mfbc ilirsrzrisos to cnpywith this tequtrerner. shelzl be denied acess tc' plant- Itheiiri~c.z NO artl of e uels tthe resullt 'stwknes' acss wo plant theiitiewr shall be the. mubiect ofa claimk for ahlst enor 0i exce S cot orn-,, desPnacs 1wc he-c rrcm. r or c anyC -EK sti b oir- 0ac .-tor.WORK AIUrNORIZATION&MANAGEMEL47 CQflfl~p 11.thO (I vnmpi)n si1biy EwOf ContraI,-twr to ts1i-, that- all woi6 P.tj promacd awrite b y C On Timctor or tsrbec 0 -auto personneul fbe at cordance with applI~cAble site iscric contrci wredrssvi ,e onsuea uhrxdb h TCM. Robert Xrqtfec43E&~ ETEAGREEMENT This Contract 7emhcnlies. Ih ei m e ewe h VA and Coutractor and s-apersedes alf sita-r cmtnuniuatlrmos eixe orl r inrieu. The peflie: srisy al c- b bound try, orý- be liec for -mny cr mod~ciiccns shV.ll be vaidsnlemaioc rtdinohecnrt writhutý.P.EFICIA1.S NOT TO SEN:FIT: No memober of or de- qgmut fitee Rr Rsident, Cmrnissrsea tcroney vill "et, emplOyet, specal Covermz.eat emifployer. (r azgeutof Tv A.&Ili e admsitted wo any itare tct palltef thist aeOwa r w rms an. eneflt tatmay ari se Whr trm Inthiis provsioU1 n sall not be Ocn-netue1-, to xtand to a r--es'tmoratin or tnit o f GOvemuzs;;et. ronwx&rss lar its ofr for the pulic'sý- geerarl benefit. Breach of Ithis pr wlovisin aall eonslsstit 4 mnaterial bieamlh of thi '.'nemn.12

0 t'oaron flr.'AG INC.:Rtc 1 4 of 19 EMgrl.GEN,,',CY PPRi.P.PAREPND';S.S I.NV:OFR.tA~'HON TOT"3EFXJP',ISH1 "I', A.. COTRAC-1OR E,,POYEES WORKING ON OR. NAR A TVANUCLEAR Thmffie r~in .uatks is eae to IV fre~ee rrrd sWithin the' area. CO.M.Ai Crail $oPerte by the I.tnse VrIey Att.ority (V'A) for rmsl.ecr sa.es ln the .nhl.cv'. cyoe.' of anodgmr, al IuaTCI pv.h::.ermr wnl, 'N' tx sstiieYy gi)A elScwn mce* d he souded for ilcee mho's. (See site "peciflc infwnoaeian beiow f&r .mutine sirn utee*~v TVA ptronrimay -zenter th ara d uth vre NIOism ornctiona. th',,c~...Cm If Co,,,nnteuizw per'o.nnel are alerted by ei'ther rf the above. Contract'or per'..oane! aber'oi:* itne TVA pera.etnel are the sirens not rowi:disg t,:.rit th tre ag :chedule below, ,C;.trgctre M sc sions .us p ibl.e, listl f- tol: C athe Tra.io sttiont noete-d r .b y ,diiuo-:l infwbme i' m.ay be pr..vided by Stan. Atoridee.k.i:e.nscseld t T.. .. a ,..gard ia.':srioo to:1 moantoring or dc0t,..om,,tcr.. I'D:.- he inon atino hs ncguyprcpe contaat "IVA tttr~certy l'reperdmswa et k: nmmers listed below'.Rmwon Perr- Nuclear Plant 1; Siteen Mu AnorUanay testeMd at 9: 13 AMk on the 2zI'xd Monday o fere mnth .* "pVNf (AMf77o% :AYvW f (FM 104) ,WAC (AM 100)* Sirene"s testad Vie , Wndtmay O frte ech meors,.* WSiZz (v I06.5)SWetel. Bar Nuclear Piget.* .Sl.a.t.-n a ;..v.ly tit mtno; or, ree Wednesday of maen month.Z ,' M 16. 5) 107.7) VelVK 990M )90* Emergenc y Prepare'.dnes.-.. ....36".fl.$'4 ..3 ': in. r nepoi No. -rvAwK)[ .I ,iP].0(.I*. Ur.4n. I,.c. ['Page IS of 19 voINnsa NO.: o0m2fl%surntn4EL7 I CO.NThTAMOUNor: s.MOoN AWARD DATE: SqsptrJý? 5,20(1 W 0:2 .... I7 'P NA .0 M conta flfl4: (flflMl his COTM~Cr SslZ ~ft Spzmer 2, m03 tywi4 brlwmi E-NfCON SzstIas, ww -MvAI"T'-Pmk"&s=I vAll.E WE.r.,un'O c.ATM:t 1VASIN¶... .l4 ...-." PA~~~~~ lzx20 SDE-t -(-~ ~

• v ----------

r~ i"' Rc)oIm Ntv, \'AA(YX) I -MP -001.. ........sreer bm~ Inc Page 16 o)F 19..:........................ ...... ..th'. m r ........... TERMS & CONDITIONS WVORKSCOPE Cofn alcmr wil pe llor.. tile f dl:owin : EN1ThtIRCON"will dovsrrnsnt thll wralkdoweaý wkih cia S phoosvrshs uxA W'esot 1 rN.ERCf.NtW. w-11.O stoa~eCCvautTJJDCSt if accord-ance with the developed prccedure to-! docxenxthaea Adhu wif pnc fs zin .It is wtco'sunertadig ith items I and 2elwwill be von fim~rtutryi;nue Ys pLt douett'r"i hl very good sba~p,, It iz ausaieipalted that mot of tewi kdw tbtlooC 0 t wili hi kathelowe cexvitiorns i-.ide O. cranne wal., as this is the laratior. of most ofthe inV.lstioa ni.triel. For 3e'n 3, th, full contaiment ,il bev do ,r =d fo&ira sssteri.! v111. be docineated. Loction iaside contsiannm.a Typ- of (mmtnng, jackcting Vt wpping A mr..c.t of ansu:,.ion. (le.gT, Fisnussuude atid c!!3. FoEikm Ottscmr mmess4,;isti rzr 16 bý ;,,:4 I,!ien are tob cette inucoroaceý weithNI 02-J1 W gupldszree(Le. rdct, taco,ý mag, vrtc.)ti effort 'Yii b1 e auoV1:mct4e

d. %Vith wsflowt- r. ctvaeste otm' Adrawlirg manrkutps antd pl-ctograpfl ofeaz~h ,walkdowa.

ma:. The w"lsdowm m ffort wil be NY ppiltl. 'my a team f lbrr cnpa i.-vs. T'.'he d Lreuin s A.s;s4 to Baesed uora preUviious d~iscussions with TVA, i.- :,!; anti;trsstcd tIn;. th6it atsl-sIJOrs dra3wsngs re hit very gfood shaet 3nl rIll wditk4o"n rifiti -1'il be. ziVI vforfssnvsmt, laitsmlasro with tiira ecmeptions being ieA titissd on %with respCt to ther drawnlgt.The deiiyae.-bhz for Uis t(k will be a su.al, illnumnsY qtit dc.ýtsibig wild sumnaaizing the- cmtaiament wtllcdowo er0cees enP d m)uie tmg tre;ý prfY-. gn0 amatz Ii u!idmti- m a w ewll fn :re p rnoof-ing anzit ehil1. A r t ahed! t o th e r,-.r. -6i wi sttne h pip! in? uato maral TA! o.:2- Cf)!4 inase W.sikdqwr 11e c-oatings, '.aikdoss wMill consist of '.r-e Iloi , P..Review Ct., stin. dyoe enunton. olthe zoat.ing us$d with i ci.:tair.=cnL

2. Ferornm a waiekdovv.

including, digital ;Aatogape-s'ot 1hm ctUU'uuiir'seraa to greeimosdl1Y idantib tanod vevalute the! condition of 4co~imes ;m structures. sytmsed ooehrrn'nf, usinga NFt 02%/.0a g.eide,.* .ii a d pg t~bsd tupoi tar : t wok with x I utit.ies, t.h.s..oarxsgs. %"Walledow arid tesici has in mos-ýt ree dniidadditionatl heIsms tlt~hlum "er%, ~'r lookmed fr y'.itrtv.I.ets task pro-idesa cresb set of eyes wdith. mresct toLi ndst leas.O'er sosrdngeagiecrwsl repiin apontytredc ow.nit..2 F ." RcRpRc No. TVAW(OO i -RPT-O)0 I..Revision 0 Auacltn-et t:ercoc: bntk"s. b~c Pa)¶t 17 ol 1:9 XASK N't) 3 -Silylsp Are ma Waikon LN"RRCON, wikdotape, and pt--xcgrph atrms in KWI alr(nmd tthe contain-ment enrnt' Um p tin stqisrm Be-bullring the rump wmne for any yorafloltwlP 'ti , In. additiot,. -e w'I VnrifY d( mthe l abu~ittcnition of theýs&-ainetJ~ ('or tfutun' .sno.d olilic~t of debr ilods'. We will o review en)d te:or-d layouts of ctwzb aeun its eniee ho ijaust eper nsump "ms tane e In addlille, the uonaznnwvt; floor wet ncny pa tlts tf; it)-, sumnp MR iloob ierm-dudZ-wifth vidm1oisge end uANewsapas ,,I asiAt futumr. djhrIa sn-nnort masw yvs. -."RIT ON will be support". t-' ITS engianer with expelmen.ce in C ¢tBLW+/-5? mo-'.git fwn Ath te ;nrt ='14 will courlact this Ilowpatn I.e I.lio cingics.v. V",. docutent the physira trn'caw fe he e wizi Ril s i~cr ths flow Unheis W..jer wee 4IV.fn &aihxporia! itrri. -lcation to Re crtm 1wi , o'kwo itesil be 31W,..nrnitd f , ..a t,'.c a .S et D a $t. WipllY pal.hs .-^hr conts-" ment sprAy e-aes the atone covered bye cecaiusndcrur sPrayls* Deurrswflm spray grnd dralinageflo.pe to the qump doos 'vi mens 74ill be docurmened in. loner reports TASK No. 4 ... Rllespu As Mn overall Y.unrnrary to this Q,31-191 %o-ti eo tfkdovru. WPP.MCON wildvi4u derailedwkdw reporr %, .fmlndirrg docoarrentedu in ssiradile'et. Ibmert 'with afl nrm~v repent oAftheý scope, basis, summary of the: above slet txVAk ns well W, tho walilo :. akspes for IIIltlr asc trrurest ie eulssroeov.,rli XAldnWn report. -NEBC(?N, wifl. provide tos TVA the uleceoranc. 6!crs 1:4te 4tccuamest and sr'rndehn.ct. this WalkiownRepor will spot wo topic" Ln lite uvovusal rcsvbtieo of U05-1491 ea. That, pir-l ls resort w3Jl be pk-s(A the desiase inlpft ffir:.df ri gew Wha aeirnmsport analyses fort ?setvsmuitrgde'ia bay luei oss itt e collurui potential dleltXs soure rrnexiai (fthermal t'rsuliztn. fir barrier material, unqu-alified Or degr ded coesinga The felo-ci 1rls,,v'In;u W::;wr Vt de-veflope kit acxyordace, withl V/XiJc's ENRCON's QA program;:* IN4RCON. Waulkolosne lroccehare

• E-llRCON~

WekdwnIhporus Sobedule to comp*le; te= rh scoe ot'woelc in ac,¢ordanc 'e h .J.li.esto.:e sc:hedule fiegiWtf-cdwre Srpra.zira, 2:9. VshAe rns.fv. comssjete 5.. after s-ar Walkduwnvf Repenft Submrriitca for- Coslmment 8 wee-tk, iftte wsat-cdeomi IFinal V;lcatwnRepor! .weeslu afC co-mmens eeie i"'pini No. TVAW\ 01 .i"T--001*.%. Revision 0B i,.,c Par..t. 18 of 19 C'?O:M.Pt,'S 4TIO* N FO* R SE1RV!1CF.S I;fjr 11m: satlsfvctry o.'mpterim ed acc.!pr=an by TVA cf'he dLe-rited in ilih W..Mcr t V. "A qm's to pay Cor.V..tor thp Em fi .-, price ef. y thf-nn.ars 4oliars (IiO:003\ wih lde fallowI ig bre.ak&dw by fkIDers3;r WapkdWsss -t7SJI-)0*ras- 2, Cm.a-izgs "Wi:ow %t 41,00.D T'&A 3, Sump Am,. -$12,000 Tzask. 4, Wstkdan kcýicsn -1t29.000'This priJcý. Shilt be. 17=;j ald is Sept $cjeet tI tsansg accept nauempnt to a .illy exeeuted wi-terSt., iCtt to this wenusl. under his .oacat ,upplerneat sW*.l nor xcwd $80000, 'rThe Dixet price ctSii:OCt may o-i.ms adjust!d bard on 11-, aStnl re.-es fo£rr. aired m ripn by TVA mpuzant te-a mffl,,, execntec, wtr.irtle.cupcqilez to Ws f=(="t .TEOSNINJCALAN-D QUALITY N-OT.S.S105I 1 shal be. suppled Under te quailty assurme projtam evaklutat anld acc6rtd by:VA orld in,;i s in n.ora..-danea with. e apaikw of ANM. N45.2.S1002 "ire terCas being' sruppld q;ial ob.eubject to me rquir'remenisd

Svid pvv'e y provisivns of 10 CFR 21, M.e 'Egulatlns of the NRC concerning reporting

o. defet arid ncnwnmpliarco.

eddito. , th on.actor rt..aul inform -1 A irnmdlale!y hr writing -Y each de.ect or nonr.nmplnsnce repo-ttbie unde- Part 2 1, The ti.A's to TV:A is to be .ent to the following addrevs ,ith a copy to the mantrt TVA Nuclear Power, Nuciear Lkerrsrnd ccclAflrs. Atlertioa"' I.er.n'; U..'ccrzing an..'d T~eh:l Affair'.% B .X., 101. MAre.t1 Street. Ch~a"ttnrocga. Tlenne'eseer 3,?402.2d01.. S1054 TVA shail have dght of access to terormctcrr" wor.o .whether o2si.e wr offsite:Jt it necesý.sar., qualiy assu.rn.cAs audits, infspct-ons; ard .urverllsncfxs S106.6 TVA shall beiforrre6 prnnottylb, Contrator ofan..y ,Xl)falntiy repoirible deticiencies und v r of 10 CFR Padt 50.71 end Part %0.72. ard W's corres"...nding eporing prc.Acdu..s. " T'hese .:gistawrly ro cerner:ts shai a-s'o apply to any subco."rrActor or rrpplkrrs used by $10S7 CritrStor stroll ide'rtify ti i Mieenforrrece to tna reauimmrmen of tfhis. conr.act Noicnfor.masncs salal b- document.e* in'cuding suggested c,-n'lvte reNf'ad o.)IVA for rschltinr, coMntinuirg any work which may au.s. kfrther nonee..formantc.. 31065 FITN:SS FOR DUvY, For all p.tronnel erforminag ork oen TVXA Nuclear Powe. aroparr.daf.nec as any TVA n uclear plant sit.'prtjeA and 'ny NuleCar Power wovt, i=catron or facIlt" under tncomrc or uider sufrtrtcts elp.ntred rnt.o indr This conttc. Wn"d al perscni.nel n,":ir;ed to repor't peson: to r TVA emergency rep-o.ii.e center nr.der Rs' emergerncy P. lan1s end procedr.:e (c.olieci t4ly Coer emrd. i Co.tor., a will a dhere I v VA NUcle.ar So~ A?-Itres Mr dut;-y ! pren";;r 1sme.ntN, asý enilcmablIe, Se- ,*vIIIt' o rth b e, latest r ex'lsrIo of SP V 2 Fitnems For Duty Program Admint.'..i-nI: any subsequent revir4..fn s) ther-ilc Cover"e Pe..-srrnne" who have een denied aexesa to or rretced from wror: tny nulearl plnt as a result ctviol-flies of an'y Pneas for.dity prmogm wli not be :w, , as c overed Permonnel durin: the course o.f thNis aontna.? without Cotr:actor so irs."k'rntirh TVA Hlumiarn Rescuree Mariager (HRM) at the work location. Before Ocri'ectr pemits such persvr'.;ei t, poronn irNk as Covred Personnel undrer the ccrtract, the "TXA Nucl.a.r Powie Fuitness For DRAy, Prraeo.m must g:ran in wMhiLi to Pit Contrct.r. Before .r.s Covewed Pereonriel ditie., on any 1'4uc-ear Pwer prope.rty or any INA emergency re., ,n cn. ..'., tne.y sn.lt report t tire HRM at the wol, !oeation 9r:.d shet receie.4 R:ci)ott No..T*AXV(XI I RF"IM) 1 " e,,.,, n, c Page 19 or 19 apoprUt., hr" fromn WVA as a part ci TVA Nucli.ear Pove.rs Finsrs Fo.r Dut.y Reireshor Waining for Cmver., Pamn-i .must be complIted

a. k,-e.ce everwl 12 mcntJ.s.Ourgig Mes coursf ctme tonr.ct, C ucn rvti."will the HRM at Lhe vik io.va.J',s I!, wri.l.before Covered Personnel become emaes or are Ighed to s.st;i duties.vu that requied lering wil bs p-Clvded.

Coanratc..r ,grrf:;, ho al ow an authofrIzed repr..era.nla!.ive ot t!ha Nuclear Regulatory Commistion to Ihs.ect, Copy, or take awiy copis of any contractors rexcrds, documn.s, or reorts re.iated to .-plerner-teiOd of TA:C Fitress Fo.r Duty Prcg.'or. Corltrctor agrees to lrcude de reurem'.erits

o. this provi'n I't any'subj.ont..cts) related to; the per.rma.re:;?

this contract, C: tir.vic.s CNEMiCAU~rtADIOl.OOIC,"AL EQUIPMENT#l CONTROL'Co:ntracbto chati fumish a i~st O.t cheicmals to be used p;erformance o'f hi;s conracta.. to the Tehinilci Conitict Manager tie use of tie. chemkic-as on site. These nclude but a."e p.hotcopy sup.lies.:-aht packirg Wo.,erils. tefln trma, halo.gena.ed and refr!gtents. Corntusccr sWhali enure that ali approved have been !abe:edy TVWA pr[or.. to ure. All slhprrerits of matealas, chermic-s. chemicl products, and other consumabres

m. ;pt be macc in es manner that wVil o3 rccipf Inspection.

in v matcrials-and poccu.o.nint compie'c, vt.ict. wiP b a nonmadiologi.'!.cor.l.o.ultiled are'a. If Ure sh'.ipuentt ia rad ioactive.ly contaminated, te ishipment be readly I eas suh so tat p er tons eand rs-lpf;t Inspection can be undertaken In a prorpir mdmigirriiy .nlroilnd are.a.S1071 Contractor hall nc.t perform. wehldi., b-azing, or soideririg operadtkrl (incuding peranent,ard tacks): and 41,li nUt bring brazing, Or solderingS rnalrrsls oanite, at TVA nuoloar faciiilk.ss vnless allowed to do sc by ;ýh cntacm.t When allowed by the cntfract, appro.r;iat requir, meots in acccordancrL, wiil the TheV nucle-,r v"yeiJdts przram will :.inoirded cw referenced in the Addild.-ona. .xto lQualil, Nle.ls Enexor's Pirject Piannirrg Documeni (PF-D} mus be subr'rited to and approveid by the Tevl;;Oal Coriract, Managar (TC.M) rdrer t theV star of contalned In thIs uonlema.tt. The ".'CM is R. KV.ri.oalick, L'Q9 2i.WNIN. (Phone: 423.336..,'107) Except as hereby all terms, conditions and provts!ons cf Contract 0O0223b5,. h.errto*ore emended, are heraby affirma,- and stall remal n In full orsoa and .ffct. during to-e re.naindor ct the term. of t~he cotaitm niipplemnenl: .5 A , v z cof.;v w Repor~t No. TVAWV{) I-RP'r-OO' I.Aliahm-.mn. C'........ ............ATTA CHMEINT ?,:;.V A-OI..-PROC-01. REV. 0, "CONTAINMENT WALKDOWN PROCEDURE FOR POTENTIAl SUMP SCR.EEN -DEBRIS SOURCES AT WATTS BAR NU(IEAR PLANT" I R.icn, No, TVAW0X) -RPT-I W i ReVikion 0 A!Uta'cbment C Pat-., 2 of 12* .TVAW,')O1-PROC-0I. .RriV. o ,'WAunow, PrOCtoc) n..t FOR P~omkN-nat Strrw ep E DEBRIS Somu~cs AT WATTS BAR NUCLEAKR PLA.N.T latns;;Pnkrw.n'uL) .i ENERCoN SERVICES, INC, Issued by: Reviewedhby:I Approved by,- e .. ....P ;Date: )/r.4 o32 Date: ____J,,. .... I,.; ..... .. Report No. TVAWOOI*,I{1. {..CH iP~zae 3 of 12 TVA4WOO i-P'.tOCJJ;.' fl.1?V:.P~rge 2 oni0.'rrTAE: CONTAINMENT WMJN<DOWN FOR POT.N'iAl. SIJHP SCREEN IDEBRIS SOVR'ICE.S ..TA'BiYLE or C6NI"'rs PMAt 1.1; :S.;zO r~ 3 2.0 POIwnI:M. DE..:t.(* t:, sX6. 3*3,.0 WAtXDow>N L')jECfiV. S 4.0 <O\I'A .9.0 QwU4,Irv Ns strR .I-:e:?.Rd;:Q o xe:fMu?43s' 10 AReport No. TVAWV(XH1I.RP'0'.31 ki. au'1 Revisin (AIahxe C WtaPpn 4 of I 1.Nl~tn~hrVA OOIPRO.O1REV. 0 rage 3 or11)'fKILE: CONTAfNMENT W'AIKDOXVN r.OR POTENTInAL SUMT' SCREEN DEBR.iS This prcwdedlr. g.verms the containment wakdcwrs being lbrs the Wauna 1c "Nle.r Pleati st4oi. t oST-. 91-, 'The following waikdowsis am to belie:ribrrned, duribng the 2003 YO'lliagOr=tae: 0 insolAt-ion wlkdows to ver'4y the type end qtanti!y .finsuni:adzs an.d fib-.. niateridJ!, thItamay a ch.llenge to the contain-met annp dwiag and t'lowing a J..'XYA or NISI.T3;4 Containmenrt Coafinj to ident.ify QnIMlited w.-o.tring" th.t exi<t withcJn tih Priniar'y Con 2$,'me At; mad SSump Arna wvkdownt to docmnt to heamas I and arcu=d dhe conlainment -=er.hey vutqp to ssuppoj as,-b tbhe .i.mp ;are a for any potvila, modifi aions.kkimify.ltswpC. TJaflr Io the Containment Sunep front po tcnial brfek folltn,,. and spray i.-ws, veri'catiion !h.t drainage p.ahs aro :snb'kokri, fand cot, inps re,.ce.sary for tOh Debris Tmnsipoat, lAnayi,.Th~e inuainwakc 1s will, incifde ai snaeibdical inventory of theý sp-cified poen-tial ?sutlp rezea deb'is soun.es, rhat co"ld b, dislomdged aoe lothe Dreak (WLUf) and post-XA environmental effect-. 1Are. mWe 0no pIant mcuaniSatLn associat.d with tso aletu.2.1 The p:`tential delis is soarer- insi¢de, contasinsns can be classfld withi.n th fllowing types: Fixed Debri: Fixed debris inc1udwe vlawczias that ars purt of the plant by deAisg, whicth Ien:subjected tc dirct flfects ofhiigh- es.sgy floe break could b. d.rna.ed or destroyed wnd becro.me sodce f trasportabl-debris."{'trsssielt

Oebt.n 'PrSsiet dcbsdts r.. r..on.pcmanent debris-ibat is broughtýj into if;e e

ntanne:t.

typically &dring outageps. This tyev of der;is inehl.ds. r.:gs, t., heeting..plastio bags, 'lesns--eciis, ¢teporar, filters Lipe, dimt.,ie.. dm r-.ansient dfbris is priwartiy eonwoler; by IMII o.d hcuaaheeping romgrearns. L-ton Debi.is: 'atent debris cmnsists oet 'nteriaus may .e a p pctcinial decbris source ms a rresult. of doVa3da ilon &un fto th-)e eAfhota ofexosr to post-LOCA (or .MSL3P euviromrn;o-tal co:-ditrins i.nside the. Them: source.,; include unqualified ea tiptg.,t .s, labels, and other ;nite.ieal that arc not qualif ied for exoueto pot rOC (r MSLB) eaxtiroosnens. Contings Debris: Coatif,,ngs arppiJed ou wals, floors, sfrucnura-a stee. equipna. eiemniel panls, etc. onwy dcgnde over fiute or when exposed to- pos..C',, env.rownmet."l'hese degradted coting, conld pctentially dislodge an. become transportable debris.2,2 .,utair:.':c.": watlkdown "oi.nclu de the followin g potrla te, nnd¢his sources, Pipimg and Eg.nipurt'.nT....al is.latIou used)*Calcirm' SilicaIte i=nrit Asetsed nonlesbestes),

is Rc-ot No. TVA WOO i -RPTU- I Revisin 0 S : ::::::: :jSO)rAt Inc .c's e .5 or 12 N---M'---R- -AWOO.-X.ROC..'-Oi

...... .0 TITL': aqTAt-NM:NT WALICDOWN FOR }VOTg.N'TL.SMP ;..." SOURCHS* Rrtkctive3. Metal [rs'ulatkn (RhO)* N. -, t Min4cral W'com~ingru my.qt 3 Nt* Fihre "Ump Mt*s`el`=evus fms tfwt Mof le-hlw~eý "mk m-michroy. hhr:nny b miiy elwed by a hdigh ,,ncrgy flivii jr." (e,g, :ir o,, ..')-thera,;sl Bl.ck nssla ,.Cibk,.i tmy fir., bir..: cy vop. (-,Ill ,:x¢..e T Fibrous ibs:tllawket, .sia,. bcxes sd elecisiual.. Oe'r i..3ouse paenti csis etc.S m% ype ire Wap*pli.k "m: fiex~ibla rx, Mm',s ne Cabling Rr "i".ni-kiy'k V.1 co'abl.eý "Ifd O.ybe itoemos hat re of reC laive weak 'car wahliC Smayo b by da.higueerg flui jtxpr ves eMIpCen fili ewo on -= OA nimmn)h* Cmdit theral t. eo ~sit' .............

........: o. No.. TVAW ...I -.R..-NI M[iF:I]R ,EV.E 0 Page S of 10h CONTAINMIENT

'W X OWN PrTfNTrAI, STIMP SCREEN D.BRIS S0URCLES (tota" quantity .f dabd., s in the x-intaitimn.m-w,' aed o the da1 a 6c ,pr.the walkdcwn arm.., indirid n. cti 3.0y" Coa.'hngs Iebris* Degraded c.acing;i.nq ua.lfied c oat/~agt ThU objecti-ve of the field walkdcawne i.4 t verify, and v;eed idettif, uw, type, locatiorn rand estent of.var;ous typ.s of pd tial debris .-tiires ;titti"e the .ontinnt Vessel.3Or therma:l insulation c.,itn ,s.t equ3p'e4t, nd tther fibrous i"-ulation su-h ns .ru wrap,. lMe obfrvt.ive

i. to recor! thedebris targets .nd todc.'umnt it. loc:.io. t. withain "12", Th.s; wi' be uobew t~ vriictio o m r.ds.ig immi t tion and Tpliag dtswimýzs lnd Othedc ettiu Qf deb,-:. sources with regard.b t not aacounted for in the TVA Mssceilaue/, .~trai-ent debris shall be identfied along wxith a tpe, and lcation to eu3biK ntotific~ation o personnel~

for cleanup ,end disposa.l. Wilah nqrds to dimt. the objective is to obtain an overall percep.on of.the ex.st.ag :tte ofof the ios.maauent. Sctie notes w t.o the thicnes ndoatim ofthe dust*deb, should be nuroe. If a sp.ecific ,area appear.-s to( he.- fic,.tlly dirty, the plant personntel should be con!actedA. for dc1ci up, Usingailable giant d;r.neaktation./ dentir.. eali..ed and unqualiifie.4 the A.dditi:naly,'tbis waikdovvn 'wili iderntify e.d n.ant~ine the fl.'w'palhsdraina,.e p.aths the cii cocrentlvviibloeltrd. The si-bu.ilt configurat11iom ofte ECCS Sinn:ra will be verifled c.a.d imforttadon req1i'ed to perf.rm the D'ebris Transpor, Aualysis will hic e.mcnfirmed or obtained.4.0 fM ; AtA The w".aikdow-n shlall i;clude all accessible are-; of the conaidment. Areas of sjec;iJtt moi'cm rr* Ar..as contaiondg h.igl enntrgvlines (inceludes rnost of'the areas wihin- ri, bioshfield waqll)* Are-as nia the enorgei-cy sm.up ad flow paths leading to the sump* Areas that may experirmwo di'-ect uapiige, ent from the contantmet spraY 51!) RPCa)NiNwwtnt~t;W~owTo. Phe .-.o) wingRa rc h'. e d liomss to y the perb.c d6f w thclk.'* Flasyoi.t glat.J or flood isslhtsA *"* tiders;' Ne. "V '"" 'l() " lkvision; C)A:.tttu, .nent C.a.Page 7 .f 12 TV W08-2P~ OC.O] REV.Trrrm CONTATNMI.N.

W.,MIV3WN F.R POT'ENTIA%.

SUMP DCRE DEBRIS SOURCES* fa'l

• 4 Ta ema nesr(foding 5 ick anifor:retfacngtje
• -up .as, and for co.. -tirL of The debts source wnikdowx tean wln cou61 .sot.foat least foýur membe.. Th1e tcam wl": have , dcin ted amlc4orler whoc will b ~cshefor, mitsurixg dia: h waE' r~ i uvamistenft
• kh t-his prock.dur,.

'tphe watdow teams may comsist latos, mid diatien Psotuetirs. dO) uperpesorsla. rqure.A su etra]egineer

snd an engieerm-elrj%

in tssspout.analysis ,,9111 conduct urr.p area lkcdowns. A coatins .enine'r will Walkdo-ma. 7.0 .j.Et.&T...pS

.i .ALARA.Wailkdown tem s shal coordir~ale and eet %-it RI? 2to Sincurperete ALARA pfriciplesn.

Review. with B>P the ....sc:,op"e of the¢ wal.k-dowtn, vmious'aiout~ts~, Work f ,ikmt , JP') mnd 1oher pe;.tinrnot .Teo -,Y. lead blanket shtckl,.g will n. be rumovrd or ihl try wmy without ...or a -prova. of'BP.72. Review Reference Manterials Review. TVA -iaseiatnn doc~ets-=! Sht'v. virig fins' nd eq7uignIte-that 3re enpete4d tv bre 7.3 Review.tn"utdon TIPcs Iteview wit plant rnaintn;.ce, and be able to csfteretatc,, the valioes of hifulatidn tm &,,. to o. .bs .e' d ikside Below. is list ojflh6stial tvpes vf..h; In.i umatziral. Other types are also poss.iblc,' Raflfie lt.wcMtl Insulation. (RWO)* Cal'iu, Si . and Nott-A- ,ests,)*

• Foam* Tempmat* Mineral Wool.Artii:4 t-'uba.@.. (CI6scd Cell Neoprene)

Report No. T XVAW0WJ-.RVF-(KlI 'Revision C C bR7Mf.WR: "IVA5WO1)lPROc-Oi IE'O .0 PaIe 7 of 1it T"iVE: CONTA'IM.ENT WALgDOWN.- FOR POTENTIA.. S1T;XP SCREEN DEBRIS SCATRC.S Review the dilet'r. IyM,-, az.d detaile, of. Coixst-'iil.oJr ofjackctihg. Iatttria! tbfo inse-hst.oir inside eontamnment:

• StaiLessý si t& o' Jar:ktt (týgivwpv.

the .sttxard ir~staliatwna eon flpurattk-a off.the SS jaket. the sewa; is oxm-td at ei6he at 2 o'cl.ock or I D 'clocks' widh a 2" ,overlp an.d ,he earri ib: generally lLoat.d toward Ihe w'll, away .fr.om "'aw)* Stainless stecel mnArt*' Aluminutit acket* PVC 0 F'i~berp¢ss.laggh;.p fabric* Silicotn coaxed liner cloth.Review th~e methlL.ods of awr-chmern anid spacin~g or" T 'ic; wbiteS*

• i.ui.ating tapes (both fabii ricnd metallic)* i.7 asenisg hardw~are (screws, rect:)8.1 Piping & Equipment Verit'v jinfoltion eontuinet 6w 'fl'p i-1 Q It. drniss w 's flA tp o f injsiIaht, on e d othcr detail., incZluding info,-mtion sch as the iomtiikatfo:, of transitions

'from one rn.rulm!:n to nntet-r(i.e., t.mm.x-ae .Nt%'..KQN or 7'ras;o VITrons isu"-atio, or ca!-Si! v.:. unibes*o:" block i.sulati). ialati,'m r:ot ..'ntained in. the TVA insul/ion drawings shall he documente separately, .X'nansahti:n.veificaton s'hould in-eo-, the ibliowing* Pipeig line numbcre,* Piping layo-ut as ferdicated cvic dawin."?.are in ge batpeneral ¢ agrement with the pipio.'as~built convfigur.'tion, at htni(ainn iypea., locatit.n (piping. valves, cable ta-s. 1VAC ducts,* Locto:on oNt=e pip.g i thei-. plmut (witi' 12 iuchei. to *h.e xtett p'-:.sivbe)"ish(latk.n &kesipo siz, ,, Lengh (anJ w.idth, jf ap:npronialx) o:f insoLation,

°,...... r %Repori. No. -VW() 01Ifl Revision 0r.-.e Page 9 of 12..

Page soT 10 f'lu : WALIM'IOWN FOR POTEN'.IA.I.SMP SCR.EN SOURCES* he (ype of jsckvting Or wpin.if asvJ, lon1gitudinal Scan lcaton M Te me-4thd used in bsrnd the insulatlont, if aporae' Thie spaoing of bands =sed, Ifappropr-ie, Ot General condition o" ins:rlation (report any significa-,t li'-t: and,* Ot'herrlvatifomto mef dins the ty-pe antd insnlhtD tion o nuain D.,c:uumtatioll of nIw imluladon sho u.ld i ivud, as a .imar.ked-uP set of imwl:!ng shcw.ns (ltM cat inr.daiou type., anlior a spA,.ýedtet ir:oludisng the alyvv inf..mt-at-i, hr A.dditiutw, ther usf of a ernrslez, s.ill pictures xndicr digi..l photoraphs of the insixairo.%jacetiug. wrapping and bow the jackeEing and ssaplping are.socuren'fassene tpii, is also b.lpful for futur e rei'erenoc. l ,;i1pmipnct suhas st&lim Cze'neaors, eertv Hqe2JalO. .Rxhager &. Exces .lActon.rk4 Exchainger w~itj iusuleuon" 1vol itcluded & itn insulation tye& amsount 3.2 Other fibr.us Debis the t)pe ofilteris In det.:il, including ianroucntn such as he idontiioec.tn o'f tr.anitions f1.ýc ono insulat'in typo to. anther (i.e., tUrp-xmat vs. NUN.KON or Truauco brous xrssslatros or ca.ill vs. unibcstos block DvXcumentatiou should include!"hI followimn to ith exen:t pCositle:*t

• orfde*bris soIoure,.* Sketdjl ix. draw[in, markup to show loct.o' of t' tztC.si source* 1aeKsttf h erssuc h. ...hk.oi.s, tu.ture,.

' C... d4..y kat on,* Len.2th (and width, of deb.ris source S .Geneial ofdebrjs source* OtheIr relemvat j.fortatufm se li.g the type,, and insMtlaftion of deh.is source.Docunsation s~ould iclude, as a minimum, a marked-up set of drawings or sketchcs showing.. Iocation and extent of dse fibrous debris sounarce. Lu the use' ofi a video carnefa, sill picturvs ; I"o. digial lsrilogap.'.hc of', C'0 ohsulatiost jacke thrg, wrapplnrg uld how the..i.ackct "and wns, .azg arc s .ure ..t..d to phping is', a.so .ell for futnir, 91 ;'rmnsieut Latent Dcbris Idenfify ftu docment the.debts tyrp: irlsuding fte, plamt kl..oaon. Suflieieta down is'brwat(JIn shou;d be coilerced to fi'ilitate of.theot31 debris y'werip.ght,*voluane or si-unae. wraesl mwn eaef das, zt'.st cyr.'~e p'rotetio ce-atings), for heas socs*; as labels orr taptnuhs an exi'aeof th.e distrib3te'd qn iteln as specified area. Ahould bo snuac, Such data can be used to calculate the tore! quamtities in oanurcsu in.pect, the. w gneuerl area r hi'tymi. rhvely iwek, cosup.tess, wmucn bave},.%e potential dislodged by pipe br.ak jet impingemeat, and whic-h would

.:::. ;:.. ... ::...Report No. TVA WWIl-Ri'!

-001 Reviskion 0^.:.Pate 1 0 of 12 UNIMI.R. TVAWEt3I-1ROC-fI. REV. I)Iragfe 9 f1 Trr.,LE CON.TAI NUi'T WALXDOWN FOR P()rT.J'NTXAI, SCREEFN D.EBRIS ea.sily tssn.sported to. the stmuT., Inspection and "documentat'ion wfll also in:clude j 3 a~s'zI, 3. tM rime irnndatioe. type material inside chretai,.lps.i.i.on boces. ',c.OnII enraet o1n "'he Waikdown itca For, many sue;:I ites NOTE: Access to the dieý tal jusc'ar bo;xes iftneeded shot!.d be coordinated i,vth plant elecuticians. 5.4 .General In~psct dhe nice to 6btain nmoictil.all cat the¢ state of cleanliness e-nd note any are.s that aw sigaiiczntmly, dirty, or napeat tO h;ave co,,,enfraned dirt..a to gen.eral ar-a. Arm to tobe inspec-td for concentrated dir could br she top ofcable otrays: top or atrncttgl t., anls or ecjntaneit. Rcocqidob.ra sf any 'dirty tress and photoagrph such areasL. Ikrn the lant, nl;nut th.'ese a-as ibe pr..ibTh aa.lip, TInspetuthbe condition of Olae caatbags onma ,for uligste qimn;eetia.a...'s, cn:'uits, e~bletrays, etc. i,, driermrrle the condition on the coting. Docu-nestT:y viýual evidence cf c htioa su'h rl .sl cracking, flaking, peeling, dar'huL-aaior. e-C.Ut1ilizingý a-vailb nJ.Ifn doexunltntatkul, ideati1y quailified and unqualified coatin-gs; and*;is deetnineto the C.xtent1 possible the t:YVe of' coatings, thlaCivkc, mzrabes c coats applied. etc, 5.6 osfainiets .~hwPath 8.6.1 identIf and xanaine the major fl'w'pAilai to the e'e.teanrneat smnup from pcshlt'ed break l'ocations ancd wpr~ UC..ztIeS. Specifica.lly. consider the, foll-w-ins' two issuwes Oust Inkty oCcur.* fheplai.sCahurn low paths that may provide for debris ,ecutannito"o, possibly e rither 'g m' L ras .tg watefro.:a flowi,.g wo the s111ra. Ihe h ossbIe ren:tn ict enf fflO'w to t.. seuuap by coglcttag debris ar. the:e"cho.-ke prsits" myreiuiae: rise h xpol ts' water.leel iM the."cotuah-mrnnt surap.ti.camptes; of "choke pohaut' mat' uacaodt' hut a~re ruot limiHt-d to: tJe

• *Cubs and.ees (laa;u wad s'ented with a sce.rned gate duri;ng K Curbs sand ledges; plar'so stu 4 C.otat eaiiusuent.
• J WIy h J~s a fuel transfer Canal ris* fl~a gftes at pper clvatioruathat may cat--ch andl restxrict the fransponnof large debris firm, uprx el-vantonafs lower elevationc,.

or r:cr lioswpatks, chokh pdhA. and flor. gra.tings -i'll be ancornpiiJhed through co-tainment drawilg manrku:ps tintl plfotitAkriph. 9,6.2 R'rzs.nine the .aah-coinpastrnrsrut hoer.a within conainr...t to confin'n that .:me inter.'-e w,4tl; c-,ainmrzt ..inA,,e. 1t'a pe...,iatobstruction is identifiCd t,'& benefit of.re.oving or nd ind'mg t s.urs to elimina.te '.drain age rinth will be 3i E Re-tp,)r! Nn. 'VAW0h1 -RVI'..O0h SUM tuialitnict.. C..,, ....... .*' ..:: Page. I. of ,.2 Page 1.ct0 o* ~t"rE: AL.KDOWN FOR POi.E'.N'flA I., SC'fREE"N ¥}EBR.I SOURCES 8Wgfstz to thd otanet sump arc tt-bkc.ckcd. Ccx~nthuons Lnat conhkrd ptetiely dveseto ualtywill bebrmi#& to Oae aftctentio of hie. TVA Proj=,e .Manger.S.7 Sujp Ania Veify afnd doctu..;At the .i-built.cmndit'is dof the. tsirncr as *efl as the, sturrundjhi. ares for any poteetSi oifctin Review and reodhg ee~pp if in e, vicuiniy of ahe smopi area, 9.0 &'3, 9.1 ll oAiaeleding walkidolwns, inaiyslis. ansd doc'.vixrnentaic will bec peribrrued.in.aecon..m...ce.wiEnercon's. Quali;yA-urnmci Prv.,a'n.10;i .N -O2)-0., "Condition Aswment (iui-ines: Debris Sources Inside PWR Co,;.nta ant .,. Re-visic, o .I,:Scpt ,r 2002.10.2. JASM, J43 9 (rA34;9 'VAA03-3002), ."-opossi.for Watts Scar noetainment 'ebris Sumedated Septtmbitr 16, 203. -VA Cn.tract 000193553 includin&g Supp.,lement.! I. A. "'Coataianint Dvbr[ Packeur tc:nf. t~ ~Repoi. No.. TV.AwMx) I ..RX 7-00 H Pg 12.1)- 12....................................... CONTAINMENT DEBRIS WALKDOWN ýPACKAGE VA E. TEiAS ____ mTtw~~ .be ryirwr~ ~s _________________________ .......... ....~i .~ ............. ................ ........................ ._ ___.1.1.: __ ~ s 4 ~ ~ h e li ~ ~ :.a ............. ............................................................................................... ........... K~d~j3!-s9 ........................ .............................. ..LE 4-.x; ....D:3t,-: ...... I Chncked BY: r"~00I4~RoC-~1. Riw 0 Atta~n~eni A AftacM--lont A Rrport NixTAUOi~PTtO Rcvisiorl 0 fpalt' I of2.................. .-ATTA CHM'E.NT D.-X.AlKDO WN ~I'lAM MLE;MB.ERS ley fReport No, 'IVA'W-00 I..VUITPJ0 Rei~on 0 Page 2 of 2 Walkdown Teami Mem~bers 0 0 0 0 0 0?viichav.] Ca'Id~w(" -l** TN F'R'C(.).N.* Gierm Wall~s -IENE.R.CON Fvrark Yac'. ENEiRCOIN'VIkDS.U~ -TRANSCO Deidash V(Aiodarsky -EiNTRCON Gi~bet1 Zigtor -I Jol :110' -CCCL ........... ........... r.r.031r.m. 5"nAt'.PatI f23 ATTA CHMENT E: SIAMI CONFIG URATION VALK(DO WN~)ri gP~at~or 2.. Walls D~ate ,.y.---Dave" \'oodarsk-Y

~Repoac N .T V W )1.R q -1 t{MNsin 0 P ge 2 C&2'., RHR Sump Strainer 71011 R.R Sutmp is located in(ontainment Building at Elevation 7,02'-9.318", here i, wail on ch side of'1um) made- of qfructural anoes and giating widh We WS over the graficg. These walls are an integral part of the.sump as they form a liner that prevent debris from entering the sump, TheVo sn.mp and liner structure is shown on plant drawing 48N919. Ti hc liner structure and suap area were inspecled during walkddwn exfu"r:imed on Oclober 2nd and 3rd, 2.003. As a. result of walkdown! no significant daviation, between design drawing and "as-built" condition of liner stIruclure were found..T:foweýver, the findings listed below may xequir.e further study and

1. Gap.s exi.sri tocations of doors. between oorf and f.'ame.

un both s:th and north sideo 'f strainer. The ,ap is estiTfated 1.1., 114" to 1.. G{aps exist at kicatitn of pipe xinetralions, especially at (2) 18" dia. piping. The gap is estim'..ated as../16" to i:16 .3. T'he piece ofstrtrcttural angle 3x3x 114' approximately P" long was cut to allow tihe instalatiion of 4,z hia. and 3" K. piping (waste disposil, ,syxtem 77). The tocatior ol cu :is on sovth side ofstrainer , djacent to the door on t floor level. Asa result of that. tbe grating, is not supporied .it th1e bottom edge.TVA resolution: As show .oo .48N919, Se-:tin"U..J, Ah, gPauig and nic;h are a'tuxlichd the L 3 x 3 x l1/4 by nii~a of 1o'-0" o.. This would indicate that the vert'ca edge of the grating.and the rermairlng pio. of aangle along the floor we attached to the L 3 x 3. For the cut out section of the grating, the I" xz 3/16" banding bar wflihell transmit any load on the grating to th ,. I l.' x 3116" loail carrying bars that is spanning between the ceiling anid the floor, Therefore, the cutout of the !.. 3 x .. x ,1a%.t the floor iN consideted tIo. "x-x-epiable by TVA el. There is a floor drain approximately 1.5'x 1.5' Yon :A tloor on north side of the strainer inside the suxp area that seares ja :he not wurwed to the floor and with no cover Tade of steel wire. The floor drain coer souldbe of the same .ire winr.sl (hole open'ing e) xuaerial as the s..ainex io protect against back flow of debris from the floordrain system.5. The doom latch is a gravity type rnechanisnm and has very simple configuration. There js no mechanism to prevent strainer door froen 1X)itg accidentally open durinig plant operation.

6. In case of reverseflowthrough the strainer screen, the sleel :wire niesh is not adequately supported toit from being dama,,ed.7. The sump room area is used as a storage/ working area during plant outage. There is a potential for foreigT material to en'er the situtp suction pipi;g as there is constant traffic of people in Ihe room.8. Thehigh energv pipirg in vicinity of the S.turainr

... .is he. Crossover le'g (Cooling Loop) froimi Reactor Coolant Pump to Steam Generator. See next page for.sketch that shOw cutout iP structural angle 114" described in note 3 above. Also.see pictre".; ot stmp area on :fNIlowng., pages that supports notes

• 1hrough '7 desc-nbed

above,

~.* ~m 1'Repori No 1VAVV001ýPT00 IN'c 3 of 23....................... N i 4$I.I..... ....A.~CT/OAI .+/-z../ Encwcon S'crvtvet Inv Reporn. Ni.s, TVAW(Q.) -RP'F-) I Rev C) Pago 4 .4 23......... ... ............... ........ .......... .......... tat Ea~rr6n 'fl'4C6'~. Inc.Report No. TVAW0) -RI..O1 Revisio;, 0 Page .5 of 23............................................ ReiwnttNo. 'vAVAiX)t

RfT.4)()

I i'ag~c 6 of,23 .......... en .......... 2W Repnrl No. 'V AWtX) I .R-MITA..)(Renvisior) 0 Attage;7nf 2 Ei Page 7 oIf 23 rnmcc.ýr.

nc Rprp't Nol. TVAWUO)I RVI'-O(Jl Vag 8 l 23 Report No,4 INA.VW'0, RT4O ReAison 0 Atiachix-ctiwE, Ifo9 o1<23 t;t.Entr~vA S*e4e~ Icy'.Report. No. TVAWOI.-4{PT-00I Ilevisiorn 0 Aitachinct I Pace 1. of 23 Ftwm.%i Sw.Nnt 1Ic:RV:C<t No. TVAW'IARP.:TFr-O0J Revisicr, 0iýh Pagep I Iof2

......2 .....f fl Repor No. "TVAWOI() -RPTl'.O{) I A.t'cvacxotl 0 Page 12 of23 k?'~ z'i: 2,.Ru~port No. ,RPT.iOOI RPe i3ol 0 1Pa7¢I oz txrve=,s s0'kcs. Inc.Riein1 No. "I'VAW(,) I.RTI'.00: Rsevi:;i~r.. U)Attachment E.14 o31 23 .. ... ..Ecerr-n .ka~~it.Report No. IVAWXII.-MT...0W Revision 0 Attaghme1t 13 Puge 15 or." 2..3 ........... kn Report No. TVAW\.OI *R1 I.'(X) i Revision (I Att3ehment IU Pane 16 of 23 ~e:v~' ~ 1 RepsrNo. n A() Ri." Rcyljswoll 0 Page 1 7 0! 23 &a~-7 Eftentr I' cpoat No. "VAWVVO1 .RPT.-(XO I Re.ision (0 Allaehimerit F page is o"2.3 ......... Re.ort Na.'VAW(')I4,' R(,Visioni V Attachment L Painn 19 !r 23 E~rmmm0Src4k1/2t& Inc.Rep.';r :No. TVAXV(XJI RPTI-1)OI AttfAchcnc I-,20 of 23 tCrettrr %t%4c4& inZ..Rcport TVA\W'V0 *.RVI'-Of I Revision 0 Attachment E P;age 2.1 of 23 V-w Rc:por No. M I.VAWOI RPT-(X)Revisicoi 0 U;Page.22 of 23 TZreport No. 'ITAWOx)IPr.7xi0 Page~ 23 of 21 Enercon Ser~ices. fric.Report No. TVAW00I-RPT-00I Revision 0 Attachment F Page I of 29 ATTACHMENT F: TVA Watts Bar CONTAINMENT TRANSPORT PATHS WALKI)OWN Originator Checker~7Michael Caldwdll batýD~te Enercon Ser~ces, Inc.Report No. TVAW(X) I -RPT-00 I Revision 0 Attachment F Page 2 of 29 TABLE OF CONTENTS PAGE 1.3.4..5_.P rpos ............................................................................................................................. 3 General D sccrip iotn... ....................................

.......................................

3 W alkdown Observations ............................................................................................... 4 a. Upper.ontainm ent ............................................................................................... 4 b. Lower Containrnm nt ............................................................................................ 5 Digiwal .Images from W alkdown Team ......................................................................... 5 Drawings and O ther References ....................................................................................... 5 Report No. TVAWOO I -RPT-00I Revision 0 Attachment F Page 3 of 29 Enecon Sertces, In.1. Purpose The purpose of this report is to document the results of.a containment geometry assessment walkdown performed in October 2003 to support the resolution of the GSI-191 issue at the Tennessee Valley Authority (TVA) Watts'Bar Nuclear (WBN) Power Plant. The containment geometry assessment documents the physical/structural .features that will affect the flow of debris and water from a potential break location to the sump. This report addresses the following specific items: Verify robust barriers located inside containment.

• Verify structures and equipment impervious to jet impingement and prevent jet expansion.
• Verify major paths for containment spray flow and assess the areas covered by containment sprays-Determine spray and drainage flow paths to the sump* Identify any potential "choke points" and verify that the drainage paths are currently unblocked* Confirm inputs necessary fordebris transport analysis (CFD)This report will also provide a listing of input data necessary for the development of a computer model (computational fluid dynamics-CFD) of the lower containment.

It will also provide data and commentary on the physical features that will affect the blowdown flow path and disbursement of debris.2. General Description The WBN Unit I containment is an ice condenser containment housing a 4 loop Westinghouse pressurized water reactor. The WBN containment can be vertically divided into two general compartments: " Upper Containment -the upper part of the containment with the floor at the 756.63" elevation," Lower Containment -the lower part of the containment with the floor at the 702.78":elevation. The following are the pertinent characteristics of the WBN Unit I associated with potential debris transport paths following a postulated high energy pipe break:* The containment sprays are of a multiple concentric ringdesign and are located on the inside of the dome with no intervening structures to the upper containment floor at elevation 756.63"." In the event of a postulated LOCA the steam/water from the blowdown will pass from the lower containment to the upper containment through the ice condensers. Report No. TVAW00 I -RIT-001 Revision 0 Attachment F Page 4 of 29 Enemm .Sl ersee. Inc* The containment spray and blowdown condensate are designed to drain from the elevation 756.63" floor into the refueling canal.* The containment spray waterand condensate will flow from the refueling canal to the lower containment through two refueling canal drain lines." The lower containment is compact and has no significant robust barriers between major RCS components. There are no significant vertical obstructions between potential pipe break location and the floor that could retain break flow water." The 702.78" elevation floor has numerous obstructions to horizontal water flow in the floor in the form of the RCS piping and reactor coolant pump motor supports and other miscellaneous support structures." The ECCS sump is located in the 702.78" elevation floor under the refueling canal." The two refueling canal drain lines are piped in the lower containment to outside the refueling canal constraint." The ECCS sump is protected from debris by gratings covering the entire entry into the refueling canal constraint.

• The water from the ice condenser baskets drains into the lower containment through lines located at approximately elevation 736"." The volumes below the divider deck but outside the crane wall do not communicate with the sump as the crane wall .is sealed up to 13 feet off the floor which is at elevation 702.8'.When the Lower Compartment water level exceeds 13 feet above the floor (715.8'), water goes outside the crane wall through unsealed penetrations.

The maximum transient elevation inside the crane wall is720' and the maximum equilibrium elevation is 717.2'. Therefore,.the only communication paths between lower containment and the areas outside the crane wall are the limited number of unsealed penetrations between elevation 715.8' and 717.2'.The level outside the crane wall never gets close to 13 feel to allow transfer of water or debris.. There are two minor exceptions. Accumulator rooms 3 and 4 have the air return fans in them. Containment spray water that directly impacts the fans goes into these accumulator rooms. Curbs on the refueling floor prevent spray water hitting the floor from running into the air return fans. Water going through the fans is drained directly from these rooms into the lower compartment. Latent debris'in these rooms could go to the sump. None of the other areas outside the crane wall would be a source of debris.3. Walkdown Observations A familiarization walkdown was performed at WBN Unit 2 on October 3 by Gil Zigler of ITS.On October 4 Gil Zigler ofITS performed the containment geometry walkdown of WBN Unit 1.The walkdowns entailed observing containment spray and postulated break flow paths to the ECCS containment sump, looking for unique debris sources, and looking for interferences and obstacles that could impede the flow of water and debris. An inspection of the sump was also conducted during this walkdown. Specific areas were captured on digital still images and are included in this report (see section 4 below).a. Upper Containment There is a direct line of sight between the containment spray headers and the floor of the upper containment at elevation 756.63". No significantobstructions were noted that would be conducive to the formation of entrapped pools of water in the upper containment floor at Report No. TVAWK) I -RP`T-(X)I Revision 0 Attachment F Page 5 of 29 Enercon SeNrce$, Inc.elevation 756.63" that would interfere with water draining into the refueling canal. The*general conclusion for the upper containment is that it is. not credible that a pool of any significance would be formed-at elevation 756.63" or higher and that there is a free flow of water from the floor at elevation 756.63" to the floor of the refueling canal.b. Lower Containment The lower containment floor at elevation 702.78" is very crowded when compared to other containment types. The break flow from possible break locations reaching the 702.78" elevation floor would flow over and arround the obstructions on the 702.78" elevation -no significant volumes would be held up in the 702.78" elevation floor. There. are numerous obstructions in the form of gratings and piping between most of the ice condenser basket drain line output and the 702.78" elevation floor -as such :the ice condenser drain water reaching the post-LOCA pool would be diffused in the form of a spray rather than a direct water jet. The general conclusion is that there are no credible interferences at elevation 702.78" floor that would preclude the break flow water or ice condenser water from reaching the ECCS sumps.4. Digital Images from Walkdown Team Pictures of taken during the containment geometry assessment walkdown are attached.5. Drawings and Other: References The following drawings and other references obtained at WBN applicable to the containment geometry assessment walkdown are as follows: I. Equipment Plan EL 772.0 & Above, drawing #: 47W200-2 2. Equipment Reactor Building, drawing V: 47W200-11 3. Equipment Reactor Building, drawing #: 47W200-12 4. Equipment Reactor Building, drawing #: 47W200-13 5. Equipment Reactor Building, drawing #: 47W200-14 6. Concrete Floor Slab- EL 702.78 Outline, drawing # 41 N7 10-1 7. Mechanical HVAC, drawing #: 47W915-2 8. Mechanical HVAC, drawing #: 47W915-3 9. Mechanical HVAC, drawing #: 47W915-4 10. Miscellaneous Steel Sump Liner. Sheet 3, drawing #: 48N919.H. RWST and Containment RHR Sump Safety Limits, Analytical Limits and Setpoints, Cale #WB-NOSG-4071, dated 8/11/03 12. Evaluating the Effects of Flooding Due to Moderate Energy Pipe Failures Inside and Outside Containment, Cale 4# VB-DC-40-31.51, 1/12/01 Report No. TVAWOOI.-RIyl'-00) I Revision 0 Attachment F Page 6 of 29 Enercon Settees, Inc A 4~, N J~ *$, WBN 1 14 inch line in Sump Room Report No. TVA WOO I-RPTr-o() Revision 0 Attachment F Page 7 of* 29 E.neroo Ser~qces, kne WBN I Air Handler next to Sump Room Report No. TVAW(X) I-RV'-00!Revision 0 Attachment F Page 8 of29 Enercon Servces, Inc UK A WWBN I Annulus Report No. TVAW0XI-RPT-001 Revision 0 Attachment F F ," Page 9 of 29 Enercon Semces. Ina-WBN I Annulus Report No. TVAWOOI-RPT-00I I=' Revision 0 11 Altachment F Page 10 of 29 Enercon Inc.14 I: i WRN I Floor Report No. TVAWOO I -RPT-00 I Revision 0 AttachmentF F A :+Pagel I of 29 Enercon Serces, Inc.SI.- -. * ~4. t.,........~. ..-"., IA r :t~t~jMN~WBN I FloorCongestion Enercoin Sewces, Inc.Report No. TVAWOOI-RPT-001 Revision 0 Attachment F Page 12 of 29 WBN I Floor Obstructions Report No. TVAWOOI-RPT-001 Revision 0 Attachment F Page 13 of 29 Enemon Sermces, Inc.<*1~*14 WBN I Sump Report No. TVAV(X)I -Rtyl'-O0I Revision 0 Attachment F Page 14 o1"29 Enercon Inc.WBN I Surnp Scee~n Enercon Serices. Inc.Report No. TVAWOO I -RlrPrT-X) 1 Revision 0 Attachment F Page 15 of 29 W'BN 2Sump Roomn Report No. TVAWQ0I-RPT-001 Revkisin 0 S .'Attachment F Page 16 of 29 Enercvf Setces. Inc..:..WBN I Sump Room F ..Report No. TVAWOO I-RPT-I00 Rcvision (E IRAttachment F Page 17 of 29 Enercon Serces Inc.WBN I Sump Enercon SeAces, Inc.Report No. TVAWOOI-RPT-001 Revision 0 Attachment F Page 18 of 29 4j, t~~ 14-. ~U.Pt .3/4t&~4, 4 4'!WBN 2 Bottom of PZR Report No. TVAWOOI-RPT-OOI1 Revision 0 Attachment 1;Page 19 of 29 Enercon Ser'Aces, Inc.WBN 2 Constrictions Report No. TVAW(V) I -RT-O00 I-Revision 0 Attachment F Page 20 or 29 Enercon Setvces. Inc..3 7Co u.,$4 zw WB 2 Cros-ve Supor -. Report No. TVAWOO I -RPT-001 Revision 0 Attachment F Page 21 of 29 Enercon Services, Inc.WBN 2 Floor Enercoon Ser'.ce.~ Inc.Report No. TVAWOOI -RPT-01I Revision 0 Attachment F Page 22 of 29 WBN 2 Floor Obstructions I Enercon SeN~ces. Inc.Report No. TVAWO00 -RPT-00I Revision 0 Attachment F Page 23 of 29 ,9 V .9.: -:::~~::." .:: " WBN 2 General Congestion Report No. TVAWOO1-RPT-001 Revision 0 Attachment F Page 24 or 29 Enemcon Setvices. tnc.WBN 2 Hot Leg Report No. TVAWO0 I-RPT-001 , -toRevision 0 Attachment F'Page 25 of 29 Enercto Sertces, Inc WBN 2 JIVAC Report No. TVAWOOI-RPT-001 Revision 0 Attachment F Page 26 of 29 Enereor Serices, Inc, WBN 2 Looking up at MSL Report No. TVAWOOI1RPT-001 Revision 0 Attachment F Page 27 of 29 Enercon Serwoes, Inc.W1IN 2 Looking UP FW Reporn No. TVAWOO I -RPT-0)01 Revisi on 0 E i esAttahement F Page 28 of 29 Enmrcon .Inc" i W13 2 r"l ..W\'1N 2 P"1? Quench lank Repoil No. TVAWOO I-RPTF-OO1 Revision 0 Attachmnent F Fs Page 29 of 29 Enerconf Set'Ap.sIn WNBN 2 RHR piping Report No. TVAWOOI-RPT-001 Revision 0 Attachment G Page I of 7 Eemrcom -Sermces. kInc.ATTACHMENT G: CONTAINMENT COATINGS WALKDOWN Originator Q rJo: lo Checker 7 Michael Caldwell 8/24/04 Date 8/24/04 Date RReport No. TVAWO()I-RPT-001 Revision 0 Attachment G Enerco Se4es., Inc. Page 2 of 7.:WATTS BAR NUCLEAR PLANT -UNIT 1 CONTAINNIENT COATINGS WVALKDOWN Puose of Walk down I-he Watts Bar Nucleai'Plant-Unit I (Watts Bar) Containment Coatings Walkdown was conducted to identify existing coatings within the Watts Bar Containment which might fail under normal or accident conditions (DB-LOCA) and contribute to the Containment emergency sump debris source term..Coating Fstimating Techniques The coating surface area estimating technique used in developing ihecoating quantities listed in this report w'ere developed by Mr. Cavallo during work at other nuclear facilities. Except as. specifically noted, the exposed surface*areas of coated components exhibiting complex shapes (such as Limitorque operators, pumps, motors, etc.) were estimated by treating these components as simple geometric shapes such as spheres, cubes, and reetangles.1lhe dimensions of the simple -shapes -were selected such that they enveloped the actual complex component. This estimating technique permits the person performing the walkdown to expeditiously determine conservative coating surface areas while reducing radiation dose (ALARA). This methodology is consistent with the guidelines of NEI 02-0 in that "'using containment drawings. the walkdown should documetit the location and the type of coatings systems applied, as well as the approximate area and, to the extent possible and practical, the thickness of the coating in question." The estimated thicknesses of coatings contained in this report are recorded by Mr. Cavallo either from station records (coating specifications. drawings, etc.) or by previous experience at other nuclear facilities (such as OEM machinery cnamel on electrical boxes).General Ob.servations: Visibility:restricted in Lower Containment by lead blankets.In general,-containment coatings are well maintained, and plant and outage craft personnel are taking appropriate steps to protect containment coatings from damage..12 ladder enclosures in loop rooms painted yellow. 40 feet high X 3 feet diameter each -75 sq ft each unquali flied.Yellow handirails at various locations throughout lower containment -estimate 2(X) sq ft unqualified. Significant areas of inorganic coatings exist Wiihin the Watts Bar upper containment and lower containment within the crane wall which may be directly exposed to containment quench spray or Sodium Tetraborate from the ice condenser. These areas may be unqualified and are not currently accounted ror in the Wans Bar"unqualified/uncontrolled coatings" program. 'These areas include: a.. The exposed containment liner plate in the upper containment dome. If eAposed to containment quench spray. sume or all of the exposed zinc pigment in the inorganic zinc coating applied to the liner plate would rapidly oxidize, producing small metallic particulates (- 10 to 20 mils in size)which would be washed down into the lower containment and the ECCS sump. WBN calculations show that the spray pattern does not come into direct contact with the upper containment dome liner.' The method for CFD modeling of the exposed zinc pigment in the inorganic coating applied to the liner plate will be resolved during performance of the CFD analysis.I EPM-IVS- 121291 Rev. 0. Evaluation of Spray Coverage of Contuituntent Volume Attac nienReport No. TVAWOO I -RPT-00 I* ::Attachment G Enwon seMees Inc. Page 3 of 7 b. The steam generators, pressurizer and reactor vessel. These vessels are coated with a high temperature silicone coating .which is not DBA-qualified. Watts Bar has taken the position that these coated areas will not contribute to the post-DBA containment debris loading because they are covered with '"metal mirror-type insulation." c, The pressuriier relief tank (note- tile visual appearance of this tank indicates that it may have been partially or completely recoated in the past).The areas identified in a., b. and c. above should be considered "indeterminate" temporarily and inivestigatcd to determine whether or not they are nont-DBA qualified and, if failed, might contribute to the ECCS sump debris source term.Fan Rooms I and 2 Fan Rooms land 2 do not communiicate.with the lower containment at an elevation below the maximum post-accident pool depth (-13 ft), us such. changing the classification of coatings inside the Fan Rooms from Service Level Ito Service Level I1 is recommended. Coatings in the Fan Rooms are not included in the coating debris listing.Accumulator Room I Accumulator Room I does not communicate with the lower containment at an elevation below the maximum post-accident pool depth (-13 1t). as such, changing the classification of coating s inside the Accumulator Rooms from Service Level I to Service Level 11 is recommended. Coatings in the Accumulator Rooms are not included in the coating debrislisting. Accumulator Room 2 Accumulator Room 2 does not communicate with the lower containment at an elevation below the maximum post.accident pool depth (-13 ft), as such, changing the classification of coating s inside the Accumulator Rooms from Service Level I to Service Level II is recommended. Coatings in the Accumulator Rooms are not included in the coating debris listing.-Accumulator Room :3 and 4 Accumulaior.roozns 3 and 4 have the air return fans in them. Containment spray water that directly impacts the fans goes into these accumulator rooms. Curbs on the rcfueling

floor prevent spray water hitting the Iloor from runningýinto the air return fans. Water going through the fans is drained directly from these rooms into the lower compartment.

Latent debris in these rooms could go to the sump.Upper Containment (10/3/03)Access Very restricted due to refueling operations. Containment liner above the ice condenser was originally primed using Carboline Carbozine I1! and topcoated to a dado height of 6 feet above the ice condenser with Carboline Phenoline 305 epoxy phenolic topcoat. The Phenoline 305 has reportedly been removed in the pastby scraping.Polar crane coating in visually.good condition. Coatings on concrete steam generator and pressurizer "dog houses" are visually in good condition. Floor coatings are somewhat worn but sound. Report No. TVAW0() I -RPT-00 I Revision 0I Attachment G Enercon S,%. Inc. Page 4 of 7 Sonic Phenoline 305 topcoatpresent on the containment liner adjacent to the equipment hatch -spot peeling of the topcoat has occurred in the past and scraping has been used to removed the disbonded coating.Lower Containment (I 0/3/03)Elev. 702'Floor coating are in good condition. Protective temporary floor coverings are in use at various locations. Containment liner coated with untopcoated Carbozinc

11. Some staining present. Light superficial rust visible on some welds.Phenoline 305 topcoat applied to piping, structural metnbcrs, etc. from floor level up six feet.Steam generator lateral restraints touched up in spots with a green coating. ........Large yellow hydraulic.valve operator (containment isolation valve) and blue Limitorque operator on platform adjacent to entrance to l..oop Rooms I and 4 -20 sq ft each.Safety Injection Accumulator No. I topeoated to a height of 6 feet.3 electrical junction boxes adjacent of Safety Injection Accumulator No. I -2 sq ft each.I large and one small blue Limitorque operator adjacent of.Safety Injection Accumulator No. 1 -20sq ft and 12 sq ft.Large electrical box (I -PENT-293-1) just outside loop room door. exhibiting recoating

-40 sq ft.Large electrical box (I -PENT-293-2) just outside loop room door, exhibiting recoating -40 sq ft.Large electrical panel (I-J.B-293-47 IA) at access ladder to Safety Injection Accumulator No. 2 -50 sq ft.-50% delamination of topcoat on Safety Injection Accumulator No. 2 -has been scraped and IOZ primer in good condition. 4 boxes apparently coated with alkyd enamel and labeled, '.ALARA Engineered Shielding Systems" -60 sq ft each.I large and I small MOV adjacent to I -CCU.3077 Containment Lower Compartment Cooler -. 12 sq ft and 4 sq ft.2 large and 2 small Limitorque operators-12 sq ft and 4 sq ft.4 electrical heaters on outboard walls -12 sq ft each.Enamel light fixture outboard of Steam Generator No. 3 typical -2 others at other locations -4 sq fit ca.Pressurizer Relief Tank may have been repainted at some point -coating system appears to consist ofan IOZ primer with an epoxy topcoat up to a dado height of six feet from the floor.8 large motor operated RHR valves.- 40 sq ft each.5 electrical junction boxes outboard of Pressurizer Relief Tank -2 sq ft each.Hydraulic operated valve outboard of Pressurizer Relief Tank -10 sq ft. Atacmet:viioReport No. TVAW(V ) I -Rll'-00 I 0:, , -:Attachment G ,,o SeMees, Inc. Page 5 of 7 Elev. 716'1 large Limi torque operator adjacent to Pressurizer -12 sq ft.Adjacent to primary shield wall -enamel coated grating, appears to be off-the-shelf -20(0 sq ft total.Support steel associated with Reactor Coolant Pump 2.-. some Phenoline 305 topcoat peeling from Carbozinc 1 I primer- areas have been scraped to remove peeling topcoat.Loop Rooms Two pump & motor combinationsin each loop room with unqualified coatings -15 sq ft each combination. Two blue pneumatic valve operators near Az. 286 next to fuel Iransfer canal -12 sq ft each. .......Large electrical box ( -PENT-293-4) just outside loop room I and 4 door. exhibiting some touchup -440 sq 't.Four CRDM Fan Coolers -3 ft diaX 8 ft long with motors and appurtenances -200 .q ft each.Coatings on Sleam Generator Supports in good condition. I nterior of Sump Enclosure Coatings in very good condition -small amount of damage on floor due to duet tape application and removal.Deck grating coating good condition. Missile shield / trash rack grating coating in good condition. Enercon, Seices. Inc.Report No. TX'AWOOI -RPT-001 Revision (0 Attachment G Page 6 of 7 SUM M ARY Unqualified / Unacceptable coatings in Watts Bar Containment: Condition Squarc DFT Volume (cu Sstem,ponStructure or Coating Matrial Description Footage ý(mils) ft)Yellow Ladders and Enclosures and Handrails in Lower alkyd enamel Unqualified 1.1(X) 2 0.18 Containment Steam Generator..lPressurizer Carboline 4674 Unqualified 14,695 1.23 and Reactor Vessel modified silicone Uqlie 149 Reactor Head Lifting Device alkyd enamel Unqualified 50 1.5 0.01 Limilorque and other valve alkyd enamel Unqualified/ 486 1.5 0.06 operators Unacceptable CRDM Fan Coolers (4) alkyd enamel Ulnqualified 4 @ 200 1.5 0.10 Electrical Junction Boxes.Motors and Equipment in alkyd enamel Unqualified 276 1.5 0.04 1..)wer Containment Enamel grating adjacent to Enimareldrtin Wad n talkyd enamel Unqualified 200 :1.5 0.03*Primary Shield Wall-rAIARA Engineered Shielding Systems" Egnre Bo iel alkyd enamel Unqualified 4 @ 60 1.5 0.03 Systems" Storage Boxes Unqualified / I Inacceptable Coating Totals Carholine 4674 Modified Silicone on Steam:Generators, Pressurizer and Reactor Vessel Alkyd Enamel (Various Manufacturers) 1.23 cu ft 0.45 cu ft Report No. TVAWOO -RPT-00l Revision 0 Attachment G Page 7 or 7 Enercon Ser-ices, Inc.Currently indeterminate coatings in Watts Bar Containment (note that the provenance of these coatings should be determined and the affected coatings reclassified as DBA-qualified or DBA-unqualified prior to performance or future debris generation analyses): System, Structure or Coating Material Condition Square iT Volume (cu Component Description Footage (mils) ft)Shop-applied prime coat of Epoxy Primer System not.(Ref. 2), and one irradiation Pressurizer RellefTank field-applied Tested nor .4(Y) sq ft 8 0.27 topcoat of 11Atse Testedsted Carboline Phenoline 305 (bottom 6 ft only)DBA.Containment Liner Exposed to Qualification Fluids from Containment CUntpcoatr d Test Records*Carboline TBID TBD TBI)Quench Spray and lee Carboiinc I I Need to be Condenser Located and Filed R EF'ERENCES L. Watts Bar FSAR Question and Response 6.1.4 (formerly 342.42)2. Westinghouse Electric Corporation Process Specification PS 597755 datcd January 5. 1976 Report No. TYAWO0I-RPT-00 I Revision 0 Attachment H Paw I of 44 Enercon Serces, Inc ATTACHMENT H: LIST OF INSULATION VOLUMES INCLUDING LINE/PROBLEM NUMBERS AND CORRESPONDING WALKDOWN PACKAGE C7 RevisonO Attachment H Page2 of 44 WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS INSUL PROBLEM LENGTH INSUL INSULATION JACKET SUCKLE STRAP PACKET LOCATION ELEV. AREA DESCRIPTION OD (IN) (Fr* TYPE THIC (IN) (IN) VOLUME MATERIAL TYPE TYPE COMMENTS LETTER NUMBR (F) TPE TICKESS IN) (Fr3)SEALANT AROUND SEALANT BET SHEET N/A RACEWAY 702' 1 STAINLESS N/A SEE CALC LN SEE CALC 0.327 N/A N/A N/A METAL AND STEEL A TV CONTAINMENT WALL CONTAINMENT N/A RACEWAY 702' 1 BEHIND PANEL N/A SEE CALC FOAMGLA SEE CALC 260.73 N/A N/A N/A N/A A SS SEALANT AROUND SEALANT APPLIED ALL N/A RACEWAY 702 COVERS N/A N/A N/A N/A N/A N/A N/A N/A AROUND COVER N/A RACEWAY 702' 1 ICWELETIV N/A N/A N/A SEE N/A N/A N/A N/A MRI (LETDOWN LINES) C N/A RACWAY 702 1 INSULATION NA /A /A DWD-001G N/A RACEWAY 702' LABELS, SIGNS. & N/A N/A N/A N/A 0.00 N/A N/A NIA SEE REPORT FOR PENETRATION NO. COMMENTS N/A RACEWAY 702' 1 TIE WRAPS N/A N/A N/A N/A N/A N/A N/A N/A SEE REPORT COMMENTS E N/A RACEWAY 702' 1 CALCIUM SILICATE SEE CAL CALCIUM SEE CALC 56.70 N/A N/A N/A SEE CALCULATION E CALC SILICATE N/A RACEWAY 702' 1 ENETAROUND N/A N/A RTV SEE CALC 0.02 N/A N/A N/A N/A F N/A ACEWY 70' 1 PENETRATION PIPE N/A RACEWAY 702' 1 FOAM IN PENETRATION N/A N/A FOAM SEE CALC 3.18 NIA N/A N/A N/A F 0600200 RACEWAY 702' 1 LETDOWN LINE 3.50 64.75 RMI 1.75 12.98 S.S. STD N/A 7" OD INSULATION 0 09 0600200 RACEWAY 702 1 LETDOWN LINE 2.38 130.34 RMI 1.81 21.57 S.S. STD N/A 6" OD INSULATION G 09 0600200 RACEWAY 702' 1 LETDOWN LINE 2.28 5.34 RMI 4.31 3.31 S.S. STD N/A 11"ODINSULATION G 09 0600200 RACEWAY 70Z 1 LETDOWN LINE 2.38 4.36 RMI 0.81 0.25 S.S. STD N/A 4" OD INSULATION G 09 C C C TVAW. .-RPT-O01 Revision 0 Attachment H Page3 of 44 WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS PROBLEM LOCATION ELEV AREA DESCRIPTION OD (IN) LENGTH INSUL INSULATION VOL JACKET BUCKLE STRAP PACKET NUMBER (Fr) TYPE THICKNESS (iN) VOLME MATERIAL TYP TYPE COMMENTS L 0600200 i5" OD INSULATION (2.38" G 09 RACEWAY 702' 1 LETDOWNJ LINE 2.38 2.70 RMI 1.31 0.28 S.S. STD N/A OD PIPING)0600200 RACEWAY 702' 1 LETDOWN LINE 1.06 0.80 RMI 1.97 0.10 S.S. STD N/A 5' OD INSULATION (1.063 G 09 OD PIPING)SEE SEE CALC CALCIUM N/A RACEWAY 702' 1 CALCIUM SILICATE CALC SILICATE SEE CALC 56.79 NIA N/A N/A SEE CALCULATION G N/A RACEWAY 702' 1 EXCESS LETDOWN 1.32 7.46 RMI 2.34 1.39 S.S. STD N/A 6" OD INSULATION N/A RACEWAY 702' 1 EXCESS LETDOWN 1.32 3.44 RMI 1.84 0.44 S.S. STD N/A 5" OD INSULATION i N/A RACEWAY 702' 1 EXCESS LETDOWN 1.32 1.00 RMI 3.84 0.43 S.S. STD N/A 9' OD INSULATION J N/A0 RC2WAY 7028- EESELWAERETURWN 13 .0 RI 38 .3 SS T / 'DISLTO 06,20-07,8-RACEWAY 702' 1 SEAL WATER RETURN 4.50 160.00 RMI 1.75 38.18 S.S. STD N/A 8 OD INSULATION K 06,-07.-13 LINE 0600200 SEALWATERRETURN 4.50 2.05 MIN-K 0.75 0.18 N/A N/A N/A 6"OD MIN-K INSULATION K 06.-07.-13 RACEWAY 72' LINE 0600200 SEAL WATER RETURN 4.50 3.79 RMI 1.25 0.59 S.S. STD N/A 7"ODINSULATION K 06.-07.-13 RACEWAY 702' LINE 0600200 SEAL WATER RETURN 4.50 1.58 MIN-K 0.5 0.09 N/A N/A N/A 5.5"OD MIN-K K 06,-07.-13 LINE INSULATION 0600200 SELWTRRT N6.12" OD MIN-KK 06,2 RACEWAY 702' 1 SEAL WATERRETURN 4.50 1.52 MIN-K 0.5 0.08 N/A N/A N/A INSATK 06,-07.-13 LINE INSULATION 0600200 SEAL WATER RETURN 4.50 0.94 RMI 1.625 0.20 S.S. STD N/A 7.75"OD INSULATION K 06.-07.-13 RACEWAY 702' LINE 0600200 RACEWAY 702' 1 SEALWATERRETURN 3.50 17.54 RMI 1.75 3.52 S.S. STD N/A 7"ODINSULATION K 06. -07. -13 RCWY 72 1 LINE I I II c-Wc C, TVAWW ,-RPT-001 Revision 0 Attachment H Page4 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM ~INSUL PCE PROBLEM LENGTH INSUL INSULATION VOL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPE COMMENTS LETTER (FT3)0600200 SELAERTR702' 3.50 1.00 MIN-K 0.56 0.05 N/A N/A N/A 462"ODMINX K 06.-07.-13 LINE INSULATION 0600200 RACEWAY 702' SEAL WATER RETURN 3.50 2.74 RMI 1.25 0.35 S.S. STD N/A 6" OD INSULATION K 060000 RACEWAY 702' 1 SEAL WATER RETURN 1.06 6.87 RMI 1.47 0.56 S.S. STD N/A 4" OD INSULATION K 06,-07.-13 LINE 0600200-08-RACEWAY 702' SEALWATERRETURN 1.06 1.37 MIN-K 1.47 0.11 S.S. STD NIA 4"OD MINXINSULATION K 06.-07.-13 LINE 0600200 RACEWAY 702' 1 SEALWATERRETURN 1.06 0.92 RMI 3.97 0.40 S.S. STD N/A 9"OD INSULATION K 06.-07.-13 LINE 0600200 SEAL WATER RETURN 2.38 2.76 RMI 1.31 0.29 S.S. STD N/A 5"ODINSULATION K 06.-07.-13 RAEA 0' 1LINE1 0600200 RACEWAY 702 1 SEAL WATER RETURN 2.38 0.65 RMI 1.81 0.11 S.S. STD N/A 6"OD INSULATION K 06,-07,-13 LINE 0600200 RACEWAY 702' SEAL WATER RETURN 2.38 2.34 RMI 2.31 0.52 S.S. STD N/A 7" OD INSULATION K 06,-07. -13 LINE 0600200 RACEWAY 702' 1 STEAM GENERATOR 4.50 149.59 RMI 2.25 49.57 S.S. STD N/A 9" OD INSULATION L 02 BLOWDOWN 0600200 RACEWAY 702 STEAM GENERATOR 4.50 2.57 RMI 1.75 0.61 S.S. STD NIA 8" OD INSULATION L 02 RAEA 0' 1 BLOWvDOW'0600200 RACEWAY 702' STEAM GENERATOR 4.50 1.52 MINX 1.375 0.27 S.S. STD N/A 7.25" OD INSULATION L 02 BLOWDOMN 0600200 STEAM GENERATOR 2.38 1.54 RMI 2.31 0.36 S.S. STD N/A 7"OD INSULATION L 02 RACEWAY 702' BLOVVDOWN 02 RACEWAY 702' 1 BLOWDOWNJ 0600200 RACEWAY 702' 1 STEAM GENERATOR 2.38 1.72 RMI 2.81 0.36 S.S. STD N/A 7" OD INSULATIONL 02 BLOWDOWN c 4c C.,-PT-O01 Reision 0 Attachment H Page5 of 44 WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS INSUL PROBLEM LENGTH INSUL INSULATION VOL JACKET BUCKLE STRAP PACKET NUMBER LOCAT1ON ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TP COMMENTS ET (FT3) MAEAL TE TPEL R 0600200 RACEWAYSTEAM GENERATOR 4.50 178.00 RMI 2.25 58.98 S.S. STD NIA 9" OD INSULATION M 03 BLOWOOWN 0600200 STEAM GENERATOR 03 RACEWAY 702' 1 STEAM 4.50 1.27 RMI 1.75 0.30 S.S. STD N/A 8" OD INSULATION M 03 BLOWDOWN 0600200 RACEWAYSTEAM GENERATOR 4.50 2.48 RMI 1.25 0.39 S.S. STD N/A 7" OD INSULATION m 03 BLOWOOWN 0600200 RACEWAY 70 1 STEAM GENERATOR 2.38 1.48 RMI 2.31 0.35 S.S. STD N/A 7" OD INSULATION m 03 BLOWDOWN 0600200 RACEWAYSTEAM GENERATOR 2.38 2.00 RMI 3.31 0.82 S.S. STD NIA 9" OD INSULATION m 03 BLOWDOWN 0600200 STEAM GENERATOR 13" OD INSULATION M 03 RACEWAY 702' 1 BE GNRO R 8.62 0.73 RMI 2.19 0.38 S.S. STD NIA (ILANGE)03 BLOWDOWN (FLANGE)SEE N/A LOOP I 702 2 RC INTERIM LEG CALC SEE CALC RMI SEE CALC 88.62 S.S. STD N/A N/A A N/A LOOP 1 707 2 REACTOR COOLANT SEE SEE CALC RMI SEE CALC 63.45 S.S. STD N/A N/A B PUMP CALC 0600200 LOOP I 702' 2 INTERIM LEG DRAIN 2.38 0.88 RMI 3.8125 0.45 S.S. STD N/A 10" OD INSULATION C 09 0600200-1 3-09 LOOP 1 702' 2 INTERIM LEG DRAIN 2.38 14.00 RMI 2.8125 4.46 S.S. STD N/A 8" OD INSULATION C 09 0600200 LOOP 1 702 2 INTERIM LEG DRAIN 2.38 0.55 RMI 2.3125 0.13 S.S. STD N/A 7" OD INSULATION C 09 0600200 LOOP 1 702 2 INTERIM LEG DRAIN 2.38 0.50 RMI 1.3125 0.05 S.S. STD N/A 5" OD INSULATION C 09 NIA LOOP1 702' 2 LABELS. SIGNS, & N/A N/A N/A N/A 0.00 N/A NIA N/A SEE REPORT FOR D I I PENETRATION NO. N N N N 0 COMMENTS c7 WATS BR NCLER PANTUNI 1 ALKDOW REULT TVA Z,-APT-o01 Revision 0 Attachment H Page6 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM ~INSUL PCE PROBLEM LENGTH INSUL INSULATION VOL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPE COMMENTS LETTER I (FT3)SEE N/A LOOP 2 702' 3 RC INTERIM LEG SEE SEE CALC RMI SEE CALC 86.81 S.S. STD N/A N/A A CALCI N/A LOOP2 702 3 REACTOR COOLANT SEE SEE CALC RMI SEE CALC 63.45 S.S. STD N/A N/A B PUMP CALC 0600200 LOOP 2 702' 3 INTERIM LEG DRAIN 2.38 0.88 RMI 3.8125 0.45 S.S. STD N/A 10" OD INSULATION C 10 0600200 LOOP 2 702' 3 INTERIM LEG DRAIN 2.38 14.00 RMI 2.8125 4.46 S.S. STD N/A 8" OD INSULATION C 10 N/A LOOP2 702' 3 CALCIUM SILICATE SEE EE CALC SEE CALC 70.68 N/A N/A N/A SEE CALCULATION D CALC SILICATE N/A LOOP 3 702' 4 RC INTERIM LEG SEE SEE CALC RMI SEE CALC 85.43 S.S. STD N/A NIA A CALC N/A LOOP 3 702' 4 INTERIM LEG DRAIN 2.38 1.92 RMI 3.8125 0.99 S.S. STD N/A 10" CO INSULATION B N/A LOOP 3 702 4 INTERIM LEG DRAIN 2.38 9.50 RMI 2.8125 3.02 S.S. STD N/A 8" OD INSULATION B 0600200 LOOP 3 702' 4 LETDOWN LINE 3.50 13.25 RMI 3.25 6.34 S.S. STD N/A 10" 00 INSULATION 10 N/A LOOP3 702' 4 REACTOR COOLANT SEE SEE CALC RMI SEE CALC 63.45 S.S. STD N/A N/A D PUMP CALC N/A LOOP3 702' 4 CALCIUM SILICATE SEE SEE CALC CALCIUM SEE CALC 42.24 N/A N/A N/A SEE CALCULATION E N/A OOP3 72' ALCUM ILIATE CALC SILICATE N/A LOOP4 707 5 RC INTERIM LEG SEE SEE CALC RMI SEE CALC 85.05 S.S. STD N/A NIA A CALC REACTOR COOLANT SEE SEE CALC RMI SEE CALC 63.45 S.S. STD N/A N/A N/A LOOP 4 702' 5 N/AC C C TVAZIIRPT-001 Revision 0 Attachment H Page7 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION INSUL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPE COMMENTS LETTER (FT3)0600200 LOOP 4 702' 5 INTERIM LEG DRAIN 2.38 1.92 RMI 3.8125 0.99 S.S. STD N/A 10"OD INSULATION C 12 0600200 LOOP 4 702' 5 INTERIM LEG DRAIN 2.38 12.92 RMI 2.8125 4.11 S.S. STD N/A 8" OD INSULATION C 12 N/A LOOP 4 702' 5 MIN KTO WASTE DISP 4.50 2.00 MIN-K SEE CALC 0.05 N/A N/A N/A WRAP AROUND 4" PIPE D LINE N/A LOOP 4 702' 5 TAGS, LABELS, & SIGNS N/A N/A N/A N/A N/A N/A N/A N/A SEE REPORT FOR E COMMENTS 0600200 LOOP4 702' RESIDUAL HEAT 14.00 58.75 RMI 2 41.02 S.S. STD N/A 18" OD INSULATION F 01 REMOVAL 0600200 LOOP 4 702' 5 RESIDUAL HEAT 14.00 5.00 RMI 1 1.64 S.S. STD NIA 16"ODINSULATION F 01 REMOVAL 0600200 LOOP4 702' RESIDUAL HEAT 14.00 1.83 RMI 1.75 1.10 S.S. STD N/A 17.5"OD INSULATION F 01 REMOVAL 0600200 LOOP 4 5 RESIDUALEHEAT 10.75 15.67 RMI 2.125 9.35 S.S. STD NIA 15"ODINSULATION F 01 LOI4REMOVAL 0600200 LOOP4 702' 5 RESIDUAL HEAT 14.00 3.13 RMI 12 21.31 S.S. STD N/A 38" OD INSULATION F 01 REMOVAL (VALVE)00200-RESIDUAL HEAT NA 33" OD INSULATION F 00200 LOOP4 702' 5 RESDAL 10.75 2.75 RMI 11.125 14.60 S.S. STD N/A 3 ILA 01 REMOVAL (VALVE)0600200 LOOP4 70Z RESIDUAL HEAT 1.05 1.13 RMI 1.475 0.09 S.S. STD N/A 4" OD INSULATION F 01 REMOVAL 0600200 LOOP4 70Z RESIDUAL HEAT 1.05 2.21 RMI 2.475 0.42 S.S. STD N/A 6" 00 INSULATION F 01 REMOVAL 0600200 LOOP 4 702' 5 RESIDUAL HEAT 6.63 2.91 RMI 0.6875 0.32 S.S. STD N/A 8" OD INSULATION F 01 REMOVAL C C TVACW.RPT-001 Revision 0 Attachment H Page8 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS INSUL PROBLEM LENGTH INSUL INSULATION PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) COMMENTSET LOCTEO (FT) TYPE THICKNESS (IN) (FLU3) MATERIAL TYPE TYPE LETTER 0600200 LOOP4 702' RESIDUAL HEAT 6.63 2.05 RMI 8.6875 5.95 S.S. STD N/A 24" OD INSULATION F 01 REMOVAL N/A LOOP1 719 6 STEAM GENERATOR SEE SEE CALC RMI SEE CALC 215.60 S.S. STD N/A N/A A CALC SEE N/A LOOP 1 716 6 STEAM GENERATOR CALC SEE CALC RMI SEE CALC 0.66 S.S. STD N/A AT ROOT VALVES A 0600200 LOOP 1 716 6 FEEDWATER 16.00 24.10 RMI 2.5 24.32 S.S. STD N/A 21" O INSULATION B 01 060200 LOOP 1 716! 6 FEEDWATER 16.00 10.59 RMI 0.5 1.91 S.S. STD N/A 17" 0D INSULATION B 01 0600200 LOOP 1 716 6 FEEDWATER SEE SEE CALC RMI SEE CALC 0.42 S.S. STD N/A AT 1.88"OD LINE B 01 CALC 0600200 1-0P11 716 FEEDWATER SEE SEE CALC RMI SEE CALC 0.26 SS. STD N/A AT 1NLINE 01 CALC 0600200 LOOP1 716 6 FEEDWATER 30.25 0.50 MINERAL 2 0.70 N/A STD N/A AT PENETRATION

1. X-12A a 01 WOOL SEE PAINT INSPECTION C N/A LOOP 1 716 6 PAINT CHIP N/A N/A N/A N/A 0.00 N/A N/A N/A REPORT REPORT NIA LOOP I 716 6 CONDUIT 3M-M20C 1.32 NIA 3M-M20C 0.1875 2.35 N/A N/A N/A SEE CALCULATION D INSULATION N/A LOOP1 716 6 CONDUIT 3M-M20C 1.90 N/A 3M-M20C 0.1875 1.43 N/A N/A N/A SEE CALCULATION D INSULATION N/A LOOPI 716 6 CONDUIT 3M-M20C 2.38 N/A 3M-M20C 0.1875 1.70 N/A N/A N/A SEE CALCULATION 0 INSULATION CONDUIT 3M-M20C N/A N/A N/A N/A 0.52 N/A N/A N/A JUNCTION BOXES SEE D INSULATION CALCULATION c C-c TVAWv R-RPT-O01 Revision 0 Attachment H Page9 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION INSUL JACKET BUCKLE STRAP PACKET NUBR LOCATION ELEV. AREA DESCRIPTION OD (IN) (F) TP HCNS I)VOLUME MAEIL TP YECOMMENTS LTE NUMBER (FT) TYPE ThICKNESS (IN) (T) MATERIAL TYPE TYPE LETTER (FT3)N/A LOOP 1 716 6 CONDUIT 3M-M20C SUPPORT SEE INSULATION NA N/A N/A N/A 2.31 N/A N/A N/A CALCULATION NA LOOP 1 710-720 LABELS, TAGS. AND TIE N/A N/A N/A N/A N/A N/A N/A N/A SEE REPORT FOR WPRAPS COMMENTS 0600200 4" PRESSURIZER SPRAY 4.50 43.40 RMI 2.75 18.88 S.S. STD N/A 10" OD INSULATION F 02 LO71 LINE 0600200 LOOP 1 716 4"PRESSURIZERSPRAY 4.50 1.21 RMI 0.75 0.10 S.S. STD N/A 6" OD INSULATION F 02 LO71 LINE 0600200 4" PRESSURIZER SPRAY 4.50 0.67 MIN-K 1.5 0.13 S.S. STD N/A 7.5" OD INSULATION F 02 LO1 71! 6LINE 0600200 4" PRESSURIZER SPRAY 4.50 1.21 RMI 7.75 2.51 S.S. STD N/A 20rODINSULATION F 02 LOOP 1 716' 6 LINE 0600200 LOOP 1 716 6 PRESSURIZER SPRAY 1.05 5.17 RMI 2.975 1.35 S.S. STD N/A 7" OD INSULATION F 02 LOP1 76 6 BYPASS LINE 0600200 3/4" PRESSURIZER SPRAY 1.05 4.34 RMI 1.475 0.35 S.S. STD N/A 4"OD INSULATION F 02 LOOP1 716' 6 BYPASS LINE 0600200 3/4" PRESSURIZER SPRAY 1.05 0.50 RMI 3.35 0.16 S.S. STD N/A 7.5'OD INSULATION F 02 LOOP 1 716' 6 BYPASS LINE N/A LOOP 1 716' 6 HOTLEG SEE SEE CALC RMI SEE CALC 69.55 S.S. STD N/A N/A G CALC SEE N/A LOOP 1 716' 6 COLDLEG SEE SEE CALC RMI SEE CALC 55.34 S.S. STD N/A N/A H CALC 0600200 LOOP 1 716' 6 BORON INJECTION 1.90 5.65 RMI 2.55 1.40 S.S. STD N/A 7" OD INSULATION 05 0600200 LOOP 1 716' 6 BORON INJECTION 1.90 0.96 RMI 7.6 1.51 S.S. STD N/A 9.5" OD INSULATION J 05 c WAT A UCERPATUNT1WL DC EUT C TVAWu,. .,PT-O01 Revision 0 Attachment H Page 10 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM COMUMPACKE NUMBER LENGTH INSUL INSULATION VOL JACKET BUCKLE STRAP PACKET LOCTIO (FT) TYPE THICKNESS (IN) (FVLM MATERIAL TYPE TYPE LETTER 0600200 LOOPACCUMULATOR 10.75 2.36 RMI 0.795 0.47 S.S. STD N/A 12.34" OD INSULATION K 01 INJECTION 0600200 LOOP 1 716' 6 ACCUMULATOR 10.75 16.42 RMI 3.125 15.53 S.S. STD N/A 17" OD INSULATION K 01 INJECTION 0600200-09° LOOP 1 7W 6 ACCUMULATOR 10.75 2.65 MIN-K 1.25 0.87 S.S. STD N/A 13.25" OD INSULATION K 01 INJECTION 0600200 LOOP 1 716 6 ACCUMULATOR 10.75 5.09 RMI 9.635 21.81 S.S. STO N/A 3C' OD INSULATION K 01 INJECTION 0600200 LOOP 1 716' 6 ACCUMULATOR 10.75 0.57 RMI 6.126 1.29 S.S. STD N/A 23" OD INSULATION K 01 INJECTION 0600200 LOOP 1 716 6 LOWHEAD SAFETY 6.63 7.94 RMI 2.6875 4.34 S.S. STO N/A 12" OD INSULATION L 01 INJECTION N/A LOOP 1 716 6 RESIDUAL HEAT 6.63 3.50 RMI 3.6875 2.90 S.S. STD N/A 14" OD INSULATION M REMOVAL N/A LOOP 1 716 6 RESIDUAL HEAT 6.63 2.09 RMI 0.6875 0.23 S.S. STD N/A 8" OD INSULATION M REMOVAL N/A LOOP1 716 6 RESIDUAL HEAT 6.63 2.17 RMI 9.6875 7.48 S.S. STD N/A 26" OD INSULATION M REMOVAL N/A LOOP 1 716 6 RESIDUAL HEAT 8.63 26.50 RMI 9.6875 102.56 S.S. STO N/A 11" OD INSULATION M REMOVAL RESIDUAL HEAT 8.63 1.10 MIN-K 0.9375 0.22 S.S. STD N/A 10.5" OD INSULATION M N/A LOOP1 716" 6REMOVAL 0600200 LOOP 1 716' 6 NORMAL CHARGING 3.50 54.50 RMI 2.75 20.44 S.S. STD N/A 9" OD INSULATION N 11 0600200 LOOP 1 716' 6 NORMAL CHARGING 3.50 0.89 RMI 1.5 0.15 S.S. STD N/A 6.5" OD INSULATION N 11 C TVAW(u -RPT-O01 Revision 0 Attachment H Pagell of44 WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS PROBLEM ~INSUL PCE PROBLEM LENGTH INSUL INSULATION VOL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPECOMMENTS (FT3) IAEIL TP YELTE 0600200 LOOP1 716' 6 NORMAL CHARGING 350 2.50 RMI 2 0.60 S.S. STD N/A 7.5"OD INSULATION N 11 0600200 LOOP 1 716! 6 STEAM GENERATOR 350 41.67 RMI 2.25 11.76 SS, STD N/A 8"OD INSULATION 01 BLOWDOWN 000200 1STEAM GENERATOR 4.50 28.75 RMI 2.25 9.53 S.S. STD N/A 9" OD INSULATION P 01 BLOVVDO1N 0600200 LOOP 1 716! STEAM GENERATOR 4.50 3.01 RMI 0.75 0.26 S.S. STD N/A 6" OD INSULATION P 01 BLOWDOWMN 0600200 LOOPSTEAM GENERATOR 1.35 0.59 RMI 3.325 0.20 S.S. STD N/A 8" OD INSULATION P 01 BLOWDOWN 0600200 LOOP 1 716 STEAM GENERATOR 1.33 1.22 RMI 3.335 0.41 S.S. STD N/A 8' OD INSULATION P 01 BLOWDOWN 0600200 STEAM GENERATOR 06 LOOP 1 716' 6 SE GNROR 1.31 0.75 RMI 2.345 0.14 S.S. STD N/A 6" OD INSULATION P 01 BLOWDOWN 0600200 STEAM GENERATOR 1.30 1.13 RMI 3.35 0.38 S.S. STD N/A 8" OD INSULATION P 01 LOOP 1 716' BLOVADOVWN 0600200 LOOP 1 716 STEAM GENERATOR 2.91 0.29 RMI 2.045 0.06 S.S. STD N/A 7" OD INSULATION P 01 BLOWDOWN N/A LOOP 1 716' 6 MIN-K N/A N/A MIN-K 3.38 0.944 N/A N/A N/A N/A 0 0600200 LOOP 1 716' 6 3" ALTERNATE CHARGING 3.50 44.09 RMI 2.75 16.53 S.S. STD N/A 9" OD INSULATION R 11 0600200 LOOP 1 716' 6 3" ALTERNATE CHARGING 3.50 1.83 MIN-K 1.25 0.24 S.S. STD N/A 6" OD INSULATION R 11 N/A LOOPE2 716 7 STEAMGENERATOR CEA SEE CALC RMI SEE CALC 215.60 S.S. STD N/A N/A A I/ LO I 2 1" 7 SEA EEAO CALCI II I I C C C TVAWou i-RPT-O01 Revision 0 Attachment H Pagel2 of 44 WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION INSULU JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPT10N OD (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPE COMMENTS LETTER (FT3)N/A LOOP2 716S 7 STEAMGENERATOR SEE SEE CALC RMI SEE CALC 0.67 S.S. STD N/A AT ROOT VALVES A N/A OOP 71' STAM ENERTOR CALC N/A LOOP 2 716 7 CONDUIT 3M-M200 1.90 50.00 3M-M20C 0.1875 2.19 N/A N/A N/A SEE CALCULATION B INSULATION N/A LOOP 2 716' 7 CONDUIT 3M-M2C 2.38 70.00 3M-M20C 0.1875 3.65 N/A N/A NIA SEE CALCULATION B INSULATION N/A LOOP2 716 7 CONDUIT 3M-M2OC SUPPORT INSULATION B INSULATION N/A N/A 3M-M2OC N/A 1.79 N/A N/A N/A SEE CALCULATION 0600200 PRESSURIZER SURGE 14.00 34.40 RMI 4.5 62.48 S.S. STD N/A 23" OD INSULATIONS C 01 3- OP2S716R 7RLINE 0600200 PRESSURIZER SURGE 14.00 7.67 RMI 0.5 1.21 S.S. STD N/A 15" OD INSULATIONS C 01 L- OP2S716' 7RLINE 0600200 LOOP 2 716 PRESSURIZERSURGE 14.00 3.34 RMI 1 1.09 S.S. STD N/A 16"OD INSULATIONS C 01 L- OP2S716R URLINE 060200 PRESSURIZER SURGE 14.00 3.01 RMI 2.5 2.71 S.S. STD N/A 19" OD INSULATIONS C 01 LOP 1' 7LINE 0600200 PRESSURIZER SURGE 14.00 8.67 RMI 1.5 4.40 S.S. STD N/A 17"GD INSULATIONS C 01 LOP 1' 7LINE 0600200 LOOP 2 716! 7 FEEDWATER 16.00 18.50 RMI 2.5 18.67 S.S. STD N/A 21" OD INSULATION D 02 0600200 LOOP 2 716' 7 FEEDWATER 16.00 0.80 RMI 2 0.63 S.S. STD N/A 20" OD INSULATION D 02 060020G 02 LOOP 2 716 7 FEEDWATER 16.00 1.59 MIN-K 1 0.59 S.S. STD N/A 18" O0 INSULATION D 0600200 LOOP2 716' 7 FEEDWATER 16.00 10.84 RMI 0.5 1.95 S.S. STD N/A 17"OD INSULATION D 02 c c TVAW-. .RPT-001 Revision 0 Attachment H Page13 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION INSUL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPE COMMENTS LETTER NUMBER IETTER 0600200 LO2 76 FEWTR SEE 02 LOOP2 716 7 FEEDWATER CASC SEE CALC RMI SEE CALC 0.42 S.S. STD N/A AT 1.88" OD LINE D 060020002-LOOP 2 716' 7 FEEDWATER SEE SEE CALC RMI SEE CALC 0.27 S.S. STD N/A AT 1" LINE D 02 CALC 0600200 LOOP2 716 FEE ATER 30.25 0.50 MINERAL 2 0.70 N/A STD N/A AT PENETRATION
2. X-12B D 02 LOP2 71O7OELAE 0.5 05 06200 LOP2 716 PRESSURIZERSPRAY 4.50 32.67 RMI 2.75 14.21 S.S. STD N/A 10"OD INSULATION E 02 LOP 1' 7LINE 0600200 LOP2 716 PRESSURIZER SPRAY 4.50 1.21 RMI 7.75 2.51 S.S. STD N/A 20"OD INSULATION E 02 LO2 71' 7LINE 0600200 3/4" PRESSURIZER SPRAY 1.05 0.42 RMI 2.975 0.11 S.S. STD N/A 7 0D INSULATION E 02 LOOP 2 716' 7 BYPASS LINE 0600200 LOOP 2 716 7 3/4" PRESSURIZER SPRAY 1.05 8.42 RMI 1.475 0.68 S.S. STD N/A 4" OD INSULATION E 02 BYPASS LINE N/A LOOP2 716' 7 HOTLEG SEE SEECALC RMI SEE CALC 74.60 S.S. STD N/A N/A F CALC SEE N/A LOOPS2 716'. HOTLEG SEE CALC RMI SEE CALC 8.15 S.S. STD N/A AT 6" SAFETY INJECTION F CALC N/A LOOP2 716' 7 COLDLEG ASEE SEE CALC RMI SEE CALC 55.42 S.S. STD N/A N/A G 0600200 06 LOOP 2 716' 7 BORON INJECTION 1.90 3.94 RMI 2.55 0.98 S.S. STD N/A 7" OD INSULATION H 06000-9 0600200-09 LOOP 2 716' 7 BORON INJECTION 1.90 1.08 RMI 7.6 1.70 S.S. STD NIA 9.5" OD INSULATION H 06 06200 LOOPACCUMULATOR 10.75 17.75 RMI 3.125 16.79 S.S. STD N/A 17"OD INSULATION J 02 71 INJECTION C WAT A UCERPATUNT1WL DC EUT C TVAWUv ,-PT-O01 Revision 0 Attachment H Pagel4 of 44 WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION INSUL JCE UKE SRPPCE NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (LT) TYPE THICKNESS (IN) VOLUME JACKET BUCKLE STRAP COMMENTS PACKET (FT3) MATERIAL YPE TYPE LETTER 0600200-09 LOOP2 716' ACCUMULATOR 10.75 4.98 RMI 9.625 21.31 S.S. STD N/A 30" OD INSULATION

.LO2 INJECTION 0600200 ACCUMULATOR 02 LOOP 2 716' 7 INJECTION 10.75 0.96 RMI 0.625 0.15 S.S. STD N/A 12" OD INSULATION J 0600200-9 LOOP 2 716! 7 ACCUMULATOR 10.75 1.24 RMI 1.625 0.54 S.S. STD N/A 14"OD INSULATION i 02 INJECTION 0600200-09 LOOP 2 71 ESAFETY 6.63 9.75 RMI 2.6875 5.32 S.S. STD N/A 12" OD INSULATION K 02 LINJECTION N/A LOOP 2 716 7 RESIDUAL HEAT 8.63 31.25 RMI 1.1875 7.94 S.S. STD NIA 11"OD INSULATION L REMOVAL N/A LOOP 2 716 7 RESIDUAL HEAT 8.63 2.74 MIN-K 0.5625 0.31 S.S. STD N/A 9.75"OD MIN-K L REMOVAL INSULATION 0600200 LOOP 2 716 7 NORMAL CHARGING 3.50 26.92 RMI 2.75 10.09 S.S. STD N/A 9" OD INSULATION M 11 060200 LOOP 2 716 7 NORMAL CHARGING 3.50 1.92 RMI 0.5 0.08 S.S. STD N/A 4.5" OD INSULATION M 11 0600200 5.5" ODMIN-KM 0 0 LOOP 2 716 7 NORMAL CHARGING 3.50 0.84 RMI 1 0.08 S.S. STD NIA 5NSULATIN 11 INSULATION 0600200 0 0 LOOP 2 716 7 NORMAL CHARGING 3.50 3.17 RMI 0.75 0.22 S.S. STD N/A 5"OD INSULATION M 0600200 LOOP 2 716 7 EXCESS LETDOWN 1.32 39.67 RMI 2.34 7.41 S.S. STD N/A 6" OD INSULATION N 12 060200 LOOP 2 716 7 EXCESS LETDOWN 1.32 3.87 MIN-K 2.34 0.72 S.S. STD N/A 6" OD INSULATION N 12 0600200 LOOP 2 716 7 EXCESS LETDOWN 1.32 6.75 RMI 1.84 0.86 S.S. STD N/A 5" OD INSULATION N 12 c-C-TVC TAWa.- ,iPT-001 Revision 0 Attachment H Page15 of 44 WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION INSUL JACKET BUCKLE STRAP COMMENTSPACKET NUMBER VOLUMETHCNES(I) (F3 MATERIAL TYPE TYPE LETTER NUBR LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) VOUE MAEIL TYE TPECMETS LTE 0600200 LOOP2 7161 7 EXCESS LETDOWN 1.32 0.59 RMI 0.84 0.02 S.S. STD N/A 3"OD INSULATION N -12 0600200 LOIP 2 7116. STEAM GENERATOR 3.50 35.25 RMI 2.25 9.95 S.S. STD N/A 8" OD INSULATION 02 BLOWDOWN 0600200 STEAM GENERATOR 02 LOOP 2 716' BLOWDOWN 3.50 35.259 RMI 2.25 9.95 SS. STD N/A 8" 00 INSULATIONP 0600200 STEAM GENERATOR 4.50 28.59 RMI 2.25 9.47 S.5. STD N/A 9"O0 INSULATION P 02 LO2 71' 7 BLOWDOWN 0600200 LOOP 2 716 7 STEAM GENERATOR 4.50 3.50 RMI 1.25 0.55 S.S. STD N/A 7" OD INSULATION P 02 BLOWvDOW'I 0600200 LOOP 2 716' STEAM GENERATOR 1.31 1.67 RMI 2.845 0.43 S.S. STD N/A 7" OD INSULATION P 02 BLOWDOWN 0600200 LOPSTEAM GENERATOR 1.31 0.73 RMI 2.345 0.14 S.S. STD N/A 6" OD INSULATION P 02 LO2 71' BLOWDOWN 0600200-07 LOOP 2 716 7 STEAM GENERATOR 1.31 0.59 RMI 3.345 0.20 S.S. STD N/A 8OD INSULATION P 02 SLOWDOWN 0600200 LOOPSTEAM GENERATOR 2.88 0.28 RMI 2.06 0.06 S.S. STD N/A 7" OD INSULATION P 02 LO2 71' BLO'ADOWN N/A LOOP 2 720-737 7 CONDUIT INSULATION 3M 1.32 45.00 3M200 SEE CALC 1.51 N/A N/A N/A SEE CALCULATION a RADIANT N/A LOOP 2 720-737 7 SUPPORT N/A N/A N/A SEE CALC 0.77 N/A N/A N/A SEE CALCULATION a 0600200 LOOP 2 716 7 LETDOWN LINE 3.50 2.17 RMI 4.25 1.56 S.S. STD N/A 12" OD INSULATION R 10 0600200 LOOP 2 716 7 LETDOWN LINE 3.50 47.50 RMI 3.25 22.73 S.S. STD N/A 10" OD INSULATION R 10 0600200 LOOP2 716' 7 LETDOWN LINE 3.50 4.29 RMI 2.25 1.21 S.S. STD N/A 8"OD INSULATION R 10 C C TVAWU. ,-1(PT-Ool Revision 0 Attachment H Pagel6 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM ~INSUL PCE PROBLEM LENGTH INSUL INSULATION VOLUME JACKET BUCKLE STRAP COMMENTS PACKLETTER NUMBER LOCATION ELEV. AREA DESCRIPTION (IN) (FT) TYPE THICKNESS (IN) MATERIAL TYPE TYPE 0600200 LOOP2 716' 7 LETDOWN LINE 3.50 3.09 RMI 1.5 0.51 S.S. STD NIA 6.5"OD INSULATION R 10 0600200 LOOP 2 716' 7 LETDOWN LINE 3.50 0.59 MIN-X 0.75 0.04 S.S. STD N/A AT MIN-K INSULATION R 101 0600200 LOOP 2 716' 7 3" ALTERNATE CHARGING 3.50 25.09 RMI 2.75 9.41 S.S. STD N/A 9" OD INSULATION S 11 0600200 LOOP2 716' 7 3"ALTERNATE CHARGING 3.50 1.25 RMI 0.5 0.05 S.S. STD N/A 4.5"OD INSULATION S 11 060200 LOOP 2 716' 7 3" ALTERNATE CHARGING 3.50 3.04 RMI 0.75 0.21 S.S. STD N/A 5" OD INSULATION S 11 N/A LOOP3 716 8 STEAMGENERATOR SEE SEE CALC RMI SEE CALC 215.60 S.S. STD N/A N/A A CALC NIA LOOP3 716 8 STEAM GENERATOR SEE SEE CALC RMI SEE CALC 0.62 S.S. STD N/A AT ROOT VALVES A N/A OOP 71" STAM ENERTOR CALC 0600200 LOOP 3 716 8 FEEDYWATER 16.00 19.42 RMI 2.5 19.60 S.S. STD N/A 21" OD INSULATION B 03 0600200 LOOP 3 716 8 FEEDWATER 16.00 1.09 RMI 2 0.86 S.S. STD N/A 19" OD INSULATION B 03 0600200 LOOP 3 716' FEEDVVATER 16.00 6.34 RMI 0.5 1.14 S.S. STD N/A 17" OD INSULATION B 03 0600200 LOOP3 716' 8 FEEDWATER SEE SEE CALC RMI SEECALC 0.35 S.S. STD N/A AT 1.88 OD LINE B 03 CALC 0600200 LOOP3 716 8 FEEDWATER SEE SEE CALC RMI SEE CALC 0.24 S.S. STD N/A AT 1" LINE a 03 CALC 0600200 LOOP 3 716' 8 FEEDWATER 30.25 0.50 MINERAL 2 0.70 N/A STD NIA AT PENETRATION

1. X-12C B 03 WOOL c C C TVAWOv -,-ZPT-001 Revision 0 Attachment H Pagel7 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION VINSUL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION (IN) (FT) TYPE THICKNESS (IN) (FLU) MATERIAL TYPE TYPE LETTER 0600200 LOOP3 716' 8 LETDOWN LINE 3.50 38.50 RMI 3.25 18.43 S.S. STD N/A 16"'OD INSULATION C 10 N/A LOOP3 716 8 HOT LEG SEE SEE CALC RMI SEE CALC 49.89 S.S. STD N/A N/A D CALC N/A LOOP3 716 8 COLDLEG SEE SEE CALC RMI SEE CALC 54.98 S.S. STD N/A N/A E CALC 0600200-09 LOOP 3 716' 8 BORON INJECTION 1.90 5.20 RMI 2.55 1.29 S.S. STD N/A 7"OD INSULATION 06 0600200-09 LOOP 3 716' 8 BORON INJECTION 1.90 0.96 RMI 7.6 1.51 S.S. STD N/A 9.5"OD INSULATION F 06 06200 LOOP3 716 ACCUMULATOR 10.75 17.25 RMI 3.125 16.32 S.S. STD N/A 17"OD INSULATION G 02 LO3 71' 8INJECTION 0600200 LOOP 3 716 8 ACCUMULATOR 10.75 5.18 RMI 9.625 22.16 S.S. STD NIA 30"OD INSULATION G 02 INJECTION 0600200- LOOP 3 7 ACCUMULATOR 10.75 1.07 RMI 0.625 0.17 S.S. STD N/A 12"OD INSULATION G LOP0216 INJECTION 0600200-09 LOOP 3 71 ACCUMULATOR 10.75 1.82 RMI 0.375 0.17 S.S. STD N/A 11.5"OD INSULATION G LOP0216 INJECTION 0600200 LOWHEAD SAFETY 6.63 2.53 RMI 2.6875 1.38 S.S. STD N/A 12"OD INSULATION H 02 LOOP3 716' INJECTION 0600200-0 LOOP 3 716' 8 LOVINEADCSAFETY 6.63 4.26 RMI 0.6875 0.47 S.S. STD N/A 8"OD INSULATION H 02 INJECTION N/A LOOP 3 716 8 RESIDUAL HEAT 8.63 6.09 RMI 1.1875 1.55 S.S. STD N/A 11" OD INSULATION REMOVAL N/A LOOP 3 716 8 RESIDUAL HEAT 6.63 2.17 RMI 96875 7.48 S.S. STD NA 26" OD INSULATION REMOVAL (VALVE) rC TVAW0u ,-r(PT-O01 Revision 0 Attachment H Page18 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM ~INSUL PCE PROBLEM LENGTH INSUL INSULATION VOL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPE COMMENTS LETTER (FT3)RESIDUAL HEAT N/A LOOP 3 716 8 REMOVAL 6.63 3.75 RMI 0.6875 0.41 S.S. STD N/A 8" OD INSULATION J N/A LOOP3 716 8 REMOVAL 6.63 2.67 RMI 3.6875 2.22 S.S. STD N/A 14"OD INSULATION J 0600200 LOOP 3 716 8 EXCESS LETDOWN 1.32 42.84 RMI 2.34 8.00 S.S. STD N/A 6" OD INSULATION K 12 0600200-.08-7" OD INSULATION 0 2 LOOP3 716 8 EXCESS LETDOWN 1.32 0.63 RMI 2.84 0,16 S.S. STD N/A 7DILATO K 12 (VALVE)0600200 LOOP3 716 8 EXCESS LETDOWN 1.32 6.17 RMI 1.84 0.78 S.S. STD N/A 5"OD INSULATION K 12 0600200 LOOP 3 716 8 EXCESS LETDOWN 1.05 0.78 RMI 1.975 0.10 S.S. STD N/A 5" OD INSULATION K 12 0600200 6" OD INSULATION 12 LOOP 3 716 8 EXCESS LETDOWN 1.05 0.46 RMI 2.475 0.09 S.S. STD N/A (VALVE) K 0600200 LOOP 3 716 8 STEAM GENERATOR 3.50 44.92 RMI 2.25 12.68 S.S. STD N/A 8" OD INSULATION L 03 BLOWDOWN 0600200 LOOP3 716. STEAM GENERATOR 4.50 21.42 RMI 2.25 7.10 S.S. STD N/A 9" OD INSULATION L 03 BLOWDOWN 0600200 LOOp 3 716 8 STEAM GENERATOR 4.50 3.17 RMI 1.25 0,50 S.S. STD N/A 7" OD INSULATION L 03 BLOWDOWN 0600200 LOOP 3 716 8 STEAM GENERATOR 1.31 1.75 RMI 2.845 0.45 S.S. STD N/A 7" OD INSULATION L 03 BLOWDOWN 0600200 LOOP 3 716 8 STEAM GENERATOR 1.31 0.75 RMI 2.345 0.14 S.S. STD N/A 6- OD INSULATION L 03 BLOWVDOWN 0600200 LOOP3 716 STEAM GENERATOR 1.31 1.11 RMI 3.345 0.38 S.S. STD N/A 8" OD INSULATION L 03 L 3 BLOWDOM IIWN C V e--TVAW , -,%PT-O01 Revision 0 Attachment H Page 19 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION OINSUL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION (IN) (FT) TYPE THICKNESS (IN) (FT3) MATERIAL TYPE TYPE LETTER 0600200 LOOP 3 716! 8 STEAM GENERATOR 2.88 0.28 RMI 2.06 0.06 SS. STD N/A 7" OD INSULATION L 03 BLOWDOWN N/A LOOIP4 716' 9 STEAM GENERATOR SEE ICALC SEE CALC RMI SEE CALC 215.60 S.S. STD N/A N/AA N/A LOOP4 716 9 STEAMGENERATOR SEE SEE CALC RMI SEE CALC 0.58 S.S. STD N/A AT ROOT VALVES A CALC N/A LOOP 4 716.' STEAM GENERATOR CALCSECAC RM SECAC 08 SS. TD NA TROTVLSA 0600200 LOOP 4 716 9 FEEIWVATER 16.00 20.07 RMI 2.5 20.25 S.S. STO N/A 21" O0 INSULATION B 04 0600200 LOOP 4 716 9 FEEDWATER 16.00 6.78 RMI 0.5 1.22 S.S. STD N/A 17" OD INSULATION B 04 0600200 LOOP4 716. FEEDWATER SEE SEE CALC RMI SEE CALC 0.35 S.S. STD N/A AT 1.88"OD LINE B LOP4 CALC 0600200-02' SEE 04 LOOP4 716. FEEDWATER CALC SEE CALC RMI SEE CALC 0.14 S.S. STD N/A AT 1" LINE B 0600200 LOOP4 716 FEEDATER 30.25 MINERAL 2 0.70 N/A STD N/A AT PENETRATION
2. X-12D B SEE N/A LOOP 4 716 9 HOT LEG CAL SEE CALC RMI SEE CALC 72.51 S.S. STD N/A N/A C CALC SEE N/A LOOP4 716 9 COLDLEG CALC SEE CALC RMI SEE CALC 54.86 S.S. STD N/A N/A D 060200 LOOP4 716 9 BORON INJECTION 1.90 4.45 RMI 2.55 1.10 S.S. STD N/A 7"OD INSULATION E 05 0600200-095 LOOP 4 716 9 BORON INJECTION 1.90 0.90 RMI 7.6 1.42 S.S. STD NIA 9.5" OD INSULATION E 05 0600200-09 LOOP ACCUMULATOR 10.75 26.25 RMI 3.125 24.83 S.S. STD N/A 17"OD INSULATION F 01 INJECTION El C TVAV I-RPT-O01 Revision 0 Attachment H Page20 of 44 WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION INSUL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPECOMMENTS (FT3) MAEAL TP TYEETR 0600200 LOOP4 716 ACCUMULATOR 10.75 5.42 RMI 9.625 23.19 S.S. STD N/A 39' OD INSULATION F 01 INJECTION 0600200 LOOP 4 716. LOWFHEAD SAFETY 6.63 7.04 RMI 1.1875 1.43 S.S. STD N/A 9'"OD INSULATION G 01 INJECTION N/A LOOP 4 720-737 9 LABELS AND TIE WRAPS N/A N/A N/A N/A N/A N/A N/A N/A SEE REPORT FOR H COMMENTS N/A LOOP 4 720-737 9 RIV SEALANT N/A N/A N/A N/A N/A N/A N/A N/A N/A 0600200 LOOP 4 716 STEAM GENERATOR 3.50 35.25 RMI 2.25 9.95 S.S. STD N/A 8" OD INSULATION K 04 BLOWDOWN 0600200 LOOP 4 716. 9 STEAM GENERATOR 4.50 36.84 RMI 2.25 12.21 S.S. STD N/A 9' OD INSULATION K 04 BLOWDOWN 0600200 LOOP 4 716. 9 STEAM GENERATOR 4.50 0.79 RMI 1.25 0.12 S.S. STD N/A 7" OD INSULATION K 04 BLOWDOWN1 0600200 LOOP 4 716. 9 STEAM GENERATOR 1.32 1.63 RMI 2.84 0.42 S.S. STD N/A 7" OD INSULATION K 04 BLOWDOVVN 0600200 LOOP 4 716 9 STEAM GENERATOR 1.32 0.75 RMI 2.34 0.14 S.S. STD N/A 6" OD INSULATION K 04 BLOWDOWN 0600200 LOOP 4 716 STEAM GENERATOR 1.32 0.59 RMI 3.34 0.20 S.S. STD N/A 8" OD INSULATION K 04 BLOWDOWN 06W200 LOOP 4 716. STEAM GENERATOR 2.88 0.34 RMI 2.56 0.10 S.S. STD N/A " OD INSULATION K 03 BLOWDOX:WN 060200 LOOP 4 716. 9 3" ALTERNATE CHARGING 3.50 65.75 RMI 2.75 24.65 S.S. STD N/A 9' OD INSULATION L 11 0600200 LOOP 4 716. 9 3"ALTERNATE CHARGING 3.50 2.34 RMI 2.25 0.66 S.S. STD NIA 8"OD INSULATION L 11 c WAT ARNCER LN UI AL ONCEUT,PT-O01 Revision 0 Attachment H Page2l of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION INSUL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION 00 (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPE COMMENTS LETTER (FT3)0600200 LOOP4 716' 9 3"ALTERNATE CHARGING 3.50 2.91 RMI 6.75 4.39 SS. STD N/A INSULATION AT LOOP STD N/A VALVES 0600200-06 01 LOOP 1 745' 10 MAIN STEAM 32.00 63.17 RMI 3.5 171.24 S.S. STD N/A N/A A 00 LOOP 1 745' 10 MAIN STEAM 32.00 3.55 MIN-K 6 17.66 S.S. N/A N/A NEAR PENETRATION A 01 0600200 LOOP 1 745' 10 MAIN STEAM 32.00 2.83 MIN-K 1.5 3.10 S.S. N/A N/A NEAR TOP OF SG A 01 0600200 SEE 01 LOOP 1 745' 10 MAIN STEAM CALC SEE CALC RMI SEE CALC 1.48 S.S. STD N/A AT 1" VENT LINE A 0600200 SEE AT 1" INSTRUMENT TEST 01 LOOP 1 745' 10 MAINSTEAM CALC SEE CALC RMI SEE CALC 0.34 S.S. STD N/A LINE A 0600200 SEE A /"ISRMN 01 LOOP 1 745' 10 MAIN STEAM SEE CALC RMI SEE CALC 1.34 S.S. STD N/A AT3/4" INSTRUMENT A 01 CALC TEST LINES N/A LOOP 1 745 10 STEAM GENERATOR SEE SEE CALC RMI SEE CALC 451.03 S.S. STD NIA N/A B N/A OOP1 74' 1 STAM GNERTOR CALC 0600200 06 LOOP 1 745' 10 AUXLILUARY FEEDWATER 6.63 3.17 RMI 5.1875 4.24 S.S. STD NIA 17" OD INSULATION C 05 0600200-02 LOOP 1 745' 10 AUXLILIARY FEEDWATER 6.63 59.00 RMI 2.6875 32.21 S.S. STD N/A 12" 00 INSULATION 05 0600200 02 LOOP 1 745' 10 AUXLILIARY FEEDWATER 6.63 301 MIN-K 2.8125 1.74 S.S. STD N/A 12.25" OD INSULATION C 05 0600200 LOOP 1 745' 10 AUXLILLARY FEEDWATER 6.63 1.43 RMI 1.6875 0.44 S.S. STD N/A 10" 00 INSULATION 05 00200- LOOP 1 745' 10 AUXLILLARY FEEDWATER 1.31 1.20 RMI 2.845 0.31 SS. STD N/A AT 1.31" OD LINEC 05 c WAT A UCERPATUNT1WL DC EUT TVAW 7 ,PT-O01 Revision 0 Attachment H Page22 of 44 WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION INSUL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPE COMMENTS LETTER N/A LOOP 1 745' 10 SEAL AROUND VAC N/A N/A N/A N/A N/A N/A N/A N/A N/A D DIFFUSER N/A LOOP 1 745' 10 CONDUIT INSULATION 3M 1.90 500 3M20C SEE CALC 0.22 N/A N/A N/A SEE CALCULATION E RADIANT N/A LOOP 1 745' 10 JUNCTION BOX N/A N/A 3M20C SEE CALC 0.26 N/A N/A N/A SEE CALCULATION E N/A LOOP21 74 10 SUPPORT N/A N/A 3M20C SEECALC 0.26 N/A N/A N/A SEE CALCULATION E 0600200 LOOP 2 745' 11 MAIN STEAM 32.00 67.50 RMI 3.5 182.97 S.S. STD N/A NIA 02 0600200 LOOP2 745 11 MAIN STEAM 32.00 2.75 MIN-K 1.5 3.01 S.S. N/A N/A NEAR TOP OF SG A 02 0600200 SEE 02 LOOP 2 745 11 MAIN STEAM CALC SEE CALC RMI SEE CALC 1.63 S.S. STD N/A AT 1"VENT LINE A 0600200- LOOP 2 745 11 MAIN STEAM SEE SEE CALC RMI SEE CALC 0.37 S.S. STD N/A AT 1" INSTRUMENT TEST A 02 CALC LINE 0600200 LOOP2 745 11 MAIN STEAM SEE CALC RMI SEECALC 1.41 S.S. STD N/A AT 3/4" INSTRUMENT A 02 CALC TEST LINES N/A LOOP2 745 11 STEAM GENERATOR CAL SEE CALC RMI SEE CALC 451.03 S.S. STD N/A N/A B N/A OOP2 74' 1 STAM GNERTOR CALC 0600200 LOOP2 745' 11 AUXLILIARY FEEDWATER 6.63 3.50 RMI 5.1875 4.68 S.S. STD N/A 17"OD INSULATION C 02 0600200 LOOP 2 745' 11 AUXLILIARY FEEDWATER 6.63 2.28 RMI 3.6875 1.89 S.S. STD N/A 14"OD INSULATION C 02 060200 LOOP 2 745 11 AUXLILIARY FEEDWATER 6.63 50.72 RMI 2.6875 27.69 S.S. STD N/A 12" OD INSULATION C 02 c Revfsion 0 Attachment H Page23 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS INSUL PCE PROBLEM LENGTH INSUL INSULATION JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPE COMMENTS LETTER I ~ (FT3)1 0600200 LOOP2 745' 11 AUXLILIARY FEEDWATER 6.63 2.10 RMI 1.6875 0.64 S.S. STD NIA 10"OO INSULATION C 02 0600200 LOOP 2 745' 11 AUXLILIARY FEEDWATER 6.63 2.44 MIN-K 0.3775 0.14 S.S. STD N/A 7.38" OD INSULATION C 02 0600200 LOOP 2 745' 11 AUXLILIARY FEEDWATER 6.63 15.09 RMI 2.6875 8.24 S.S. STD N/A 12"OD INSULATION E 02 0600200 LOOP 2 745' 11 AUXLILIARY FEEDWATER 4.50 26.09 RMI 2.75 11.35 S.S. STD N/A 10"OD INSULATION E 02 0600200 LOOP 2 745' 11 AUXLILIARY FEEDWATER 4.50 20.4 RMI 6.75 4.71 S.S. STD N/A 18" OD INSULATION E 02 060020 LOOP2 745' 11 AUXLILIARY FEEDWATER 1.31 0.45 RMI 2.345 0.08 S.S. STD N/A 6"OD INSULATION E 02 00200- LOOP 2 745' 11 AUXLILIARY FEEDWATER 1.31 1.11 RMI 2.847 0.29 S.S. STD N/A 7* OD INSULATIONE 021 0600200 LOOP 3 745' 12 MAIN STEAM 32.00 66.70 RMI 3.5 180.80 S.S. STD N/A NIA A 03 060020 LOOP3 745' 12 MAIN STEAM 32.00 3.10 MIN-K 1.5 3.40 S.S. N/A NIA NEAR TOP OF SG A 03 0600200 SEE 03 LOOP 3 745' 12 MAIN STEAM CASC SEE CALC RMI SEE CALC 1.42 S.S. STD N/A AT 1" VENT LINE A 0600200 SEE AT 1" INSTRUMENT TEST A 03 LOOP3 745' 12 MAIN STEAM CASC SEE CALC RMI SEE CALC 0.38 S.S. STD N/A LINE 0600200 SEE AT 3/4" INSTRUMENT 03 LOOP 3 745' 12 MAIN STEAM SEE SEE CALC RMI SEE CALC 1.35 S.S. STD N/A AT IN ES 03 CALC TEST LINES SEE N/A LOOP 3 745' 12 STEAM GENERATOR CALC SEE CALC RMI SEE CALC 451.03 S.S. STD N/A N/AB C WAT BRNCLA PATUNT1 AKDONREUT C.TVAWOu-P.

3T-O01 Revision 0 Attachment H Page24 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM LOCATION ELEV. AREA DESCRIPTION IN) LENGTH INSUL INSULATION INSUL JACKET BUCKLE STRAP PACKET NUMBER L (FT) TYPE THICKNESS (IN) (OTU) MATERIAL TYPE TYPE LETTER (PT3)0600200 LOOP3 745' 12 AUXLILIARY FEEDWATER 6.63 3.50 RMI 5.1875 4.68 S.S. STD N/A 17"OD INSULATION C 01 060020105-LOOP 3 745' 12 AUXLILIARY FEEDWATER 6.63 2.67 RMI 3.6875 2.22 S.S. STD N/A 14" OD INSULATION C 01 0600200 LOOP 3 745' 12 AUXLILIARY FEEDWATER 6.63 48.70 RMI 2.6875 26.59 S.S. STD N/A 12" O INSULATION C 01 0600200 LOOP 3 745' 12 AUXLILIARY FEEDWATER 6.63 3.00 RMI 1.6875 0.92 S.S. STD N/A 10" OD INSULATION C 01 0600200 LOOP 3 745' 12 AUXLILIARY FEEDWATER 6.63 1.92 RMI 0.6875 0.21 S.S. STD N/A 8" OD INSULATION C 01 0600200 LOOP 3 745' 12 AUXILIARY FEEDWATER 6.63 18.50 RMI 2.6875 10.10 S.S. STD N/A 12" 0D INSULATION D 01 0600200 LOOP 3 745' 12 AUXLILIARY FEEDWATER 4.50 20.50 RMI 2.75 8.92 S.S. STD N/A 10" OD INSULATION D 01 06020-5 LOOP 3 745' 12 AUXLILIARY FEEDWATER 4.50 1.72 RMI 1.75 0.41 S.S. STD N/A 8" 00 INSULATION0 0600200 LOOP 3 745' 12 AUXLILIARY FEEDWATER 4.50 3.32 RMI 7.25 6.17 S.S. STD N/A 19" OD INSULATION D 01 0600200 LOOP 3 745' 12 AUXLILIARY FEEDATER 1.31 2.18 RMI 2.345 0.41 S.S. ST N/A 6" INSULATION N/A LOOP 4 745' 13 DUST BETWEEN GRATING N/A N/A N/A N/A N/A N/A N/A N/A N/A A 0600200 LOOP 4 745' 13 MAIN STEAM 32.00 63.09 RMI 3.5 171.02 S.S. STD N/A N/A B 04 0600200 LOOP 4 745' 13 MAIN STEAM 32.00 3.51 MINXK 6 17.46 S.S. N/A N/A NEAR PENETRATION B 0411 1 C C TVAW-iPT-O01 Revision 0 Attachment H Page25 of 44 WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS PROBLEM ~INSUL PCE PROBLEM LENGTH INSUL INSULATION VOL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPECOMMENTS (FT3) MAEAL TP TYEL"'R 0600200406-LOOP4 745* 13 MAIN STEAM 32.00 3.17 MIN-K 1.5 3,48 S.S. N/A N/A NEAR TOP OF SG B 04 0600200 LOOP 4 745' 13 MAIN STEAM SEE SEECALC RMI SEE CALC 1.45 S.S. STD N/A AT 1" VENT LINE B 04 CALC 0600200 SEE AT 1" INSTRUMENT TEST B LOOP 4 745' 13 MAIN STEAM CAL SEE CALC RMI SEE CALC 0.35 S.S. STD NIA LIN E 04 CALC LINE 0600200 SEE AT 3/4" INSTRUMENT LOOP 4 745' 13 MAIN STEAM SEE CALC RMI SEE CALC 1.13 S.S. STD N/A B 04 CALC TEST LINES SEE N/A LOOP 4 745' 13 STEAM GENERATOR SEE CALC RMI SEE CALC 451.03 S.S. STD N/A N/A C CAL00 -0600200 LOOP 4 745' 13 AUXLILIARY FEEDWATER 6.63 3.34 RMI 5.1875 4.47 S.S. STD N/A 17" OD INSULATION D 08 0600 LOOP 4 745' 13 AUXLILIARY FEEDWATER 6.63 49.20 RMI 2.6875 26.86 S.S. STD N/A 12" OD INSULATION D 08 0600200 LOOP 4 745' 13 AUXLILIARY FEEDWATER 6.63 3.01 MIN-K 2.8125 1.74 S.S. STD N/A 12.25" OD INSULATION D 08 0600200 LOOP 4 745' 13 AUXLILIARY FEEDWATER 6.63 1.18 RMI 1.6875 0.36 S.S. STD N/A 10"OD INSULATION D 08 0600200 LOOP 4 745 13 AUXIILIARY FEEDWATER SEE SEE CALC RMI SEE CALC 0.43 S.S. STD N/A AT 1" PIPE D 08 CALC N/A LOOP 4 745' 13 LABELS AND TIE WRAPS N/A N/A N/A N/A N/A N/A N/A N/A SEE REPORT FOR COMMENTS N/A LOOP 4 745' 13 CONDUIT INSULATION 3M 1.90 2.50 3M20C SEE CALC 0.08 N/A N/A N/A SEE CALCULATION F RADIANT N/A LOOP 4 745' 13 SUPPORT NIA N/A 3M20C SEE CALC 0.26 N/A N/A N/A SEE CALCULATION F c C TVA f-,, tiPT.001 Revision 0 Attachment H Page26 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM LOCATION ELEV. AREA DESCRIPTION 0D (IN) LENGTH INSUL INSULATION VOLUMEL JACKET BUCKLE STRAP COMMENTS PACKET NUMBER (FT) TYPE THICKNESS (IN) (FTU) MATERIAL TYPE TYPE LETTER N/A FAN ROOM 1 716 14 MIN-K-WR N/A SEE CALC MIN-K-WR 0.25 0.02 N/A N/A N/A ENCAPSULATED IN A STAINLESS FOIL ENCAPSULATED IN N/A FAN ROOM 1 716' 14 MIN-K-WR N/A SEE CALC MIN-K-WR 0.375 0.02 N/A N/A N/A B STAINLESS FOIL N/A FAN ROOM 1 716' 14 MIN-K-WAR N/A SEE CALC MIN-K-WR 0.375 0.04 N/A N/A N/A ENCAPSULATED IN STAINLESS FOIL NIA FAN ROOM 1 716' 14 MIN-K-WR N/A SEE CALC MIN-K-VVR 0.5 0.03 N/A N/A N/A ENCAPSULATED IN STAINLESS FOIL N/A FAN ROOM 1 716' 14 MIN-K-WR N/A SEE CALC MIN-K-WR SEE CALC 0.24 N/A N/A N/A ENCAPSULATED IN F STAINLESS 06200-07 FAN ROOM 716 14 GENERATOR 4.50 23.92 RMI 2.25 7.93 S.S. STD N/A 9" OD INSULATION G 0600200 FAN ROOM 1 716' 14 STEAM GENERATOR 4.50 1.34 RMI 4.75 1.28 S.S. STD N/A 14" OD INSULATION G 04 BLOWDOWN (VALVE)0600200 FAN ROOM 1 716' 14 STEAM GENERATOR 11.75 1.59 RMI 2.125 1.02 S.S. STD N/A 16' O0 INSULATION 04 BLOvOWN (FLANGE)0600200 STEAM GENERATOR 13" OD INSULATION 04 FAN ROOM 1 716 14 BLOVDOWN 4.50 1.55 RMI 4.25 1.26 S.S. STD N/A (VALVE)0600200 FAN ROOM 1 716' 14 STEAM GENERATOR 2.38 1.96 RMI 3.31 0.81 S.S. STD N/A 9" OD INSULATION G 04 BLOWDOWN (VALVE)0600200 STEAM GENERATOR 04 FAN ROOM 1 716' 14 BLOWDOWN 2.38 0.40 RMI 12.5 1.62 S.S. STD N/A 7" OD INSULATION G 0600200 FA OM1 76 1 STEAM GENERATOR 8.2 06'13" OD INSULATION 04 FAN ROOM 1 716' 14 BLOWDOWN 8.62 0.64 RMI 2.19 0.33 S.S. STD N/A (FLANGE)TO 00207-STEAM GENERATOR (LNE 0600200 FAN ROOM 1 716 14 N 4.50 2.85 MIN-K 1.5 0.56 S.S. STD N/A 7.5" OD INSULATION G FAN ROM1 71' 1LOVYDOWN c'7-TVAWCPT-O01 Revision 0 Attachment H Page27 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION INSUL JACKET BUCKLE STRAP PACKET LOCATION ELEV. AREA DESCRIPTION OD (IN) VOLUME MATERIAL TYPE TYPE COMMENTS LETTER NUMBER (FT) TYPE THICKNESS (IN) (FT3)N/A FAN ROOM 1 716. 14 CONDUIT INSULATION 3M 1.32 40.00 3M20C SEE CALC 1.34 N/A N/A N/A SEE CALCULATION H RADIANT N/A FAN ROOM 1 716. 14 SUPPORT N/A N/A 3M20C SEE CALC 0.64 N/A NIA N/A SEE CALCULATION H N/A FAN ROOM 1 716 14 Box N/A N/A 3M200 SEE CALC 2.08 N/A N/A N/A SEE CALCULATION H 0600200 FAN ROOM 1 716. 14 LOWHEAD SAFETY 6.63 54.00 RMI 2.6875 29.48 S.S. STD N/A 12"OD INSULATION J 01 INJECTION 0600200-09-FAN ROOM 1 716 14 1.05 0.43 RMI 0.975 0.02 S.S. STD N/A 3" OD INSULATION J 01 INJECTION 0600200-09-FAN ROOM 1 716 14 1.05 0.34 RMI 1.475 0.03 S.S. STD NIA 4" OD INSULATION J 01 INJECTION 0600200-09 FAN ROOM 1 716. 14 LOV-EAD SAFETY 2.38 0.63 RMI 0.81 0.04 S.S. STD N/A 4" OD INSULATION J 01 INJECTION N/A FAN ROOM 1 716. 14 MIN-K-VvR N/A SEE CALC MIN-K-WR 0.5 0.02 N/A N/A N/A EN LED IN STAINLESS FOIL N/A FAN ROOM 1 716. 14 RESIDUALHEAT 8.63 49.84 RMI 1.1875 12.67 S.S. STD N/A 11"ODINSULATION L REMOVAL N/A FAN ROOM 1 716. 14 RESIDUAL HEAT 8.63 49.84 RMI 1.1875 12.67 S.S. STD N/A 11"OD INSULATION M REMOVAL N/A FAN ROOM 1 716. 14 RESIDUAL HEAT 8.63 1.72 MIN-K 0.9375 0.34 S.S. STD N/A 10N5"ODMIN-K M REMOVIAL INSULATION 0600200 FAN ROOM 1 716 14 LOW-EAD SAFETY 8.63 44.60 RMI 1.1875 11.34 S.S. STD N/A 11"OD INSULATION N 02 INJECTION 0600200-09-FAN ROOM 1 716 14 8.63 1.98 MIN-K 0.56 0.22 S.S. STD N/A 9.75" OD INSULATION N 02 INJECTION c C TVAC O...T-0Ol1 Revision 0 Attachment H Page28 of 44 WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS INSUL PROBLEM LENGTH INSUL INSULATION JACKET BUCKLE STRAP PACKET LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) TYPEM COMMENTS L NME(F) TP THCNS(I) (FT3) MAEAL TP TYELTR 0600200-0 FAN ROOM 1 716. 14 LOINEAD SAFETY 8.63 2.50 RMI 0.6875 0.35 S.S. STD N/A 10'OD INSULATION N 02 INJECTION 0600200 STEAM GENERATOR 01 FAN ROOM 1 716' 14 SE GNROR 4.50 30.09 RMI 2.25 9.97 S.S. STD N/A 9"OD INSULATION P 0600200 FAN ROOM 1 716. 14 STEAM GENERATOR 4.50 1.04 RMI 1.75 0.25 S.S. STD N/A 8"OD INSULATION P 01 BLOWDOWN 0600200 FAN ROOM 1 716. 14 STEAM GENERATOR 4.50 1.61 MIN-K 1.25 0.28 S.S. STD N/A 7"OD INSULATION P 01 BLOWDOWN 0600200 STEAM GENERATOR 01 FAN ROOM 1 716. 14 STE4M G.50 1.58 RMI 2.25 1.20 S.S. STD N/A 17"OD INSULATION 0600200 FAN ROOM 1 716. 14 STEAM GENERATOR 41.50 1.57 RMI 4.25 1.27 S.S. STD N/A 13"OD INSULATION P 01 BLOWDOWN 060-07 FAN ROOM 1 716. 14 STEAM GENERATOR 4.50 1.57 RMI 4.35 1.27 S.S. STD N/A 14"OD INSULATION P 01 BLOWE)OWN 06000 STEAM GENERATOR 2.38 1.33 RMI 231 0.31 S.S. STD N/A 7OD INSULATION P 01 FAN ROOM 1 716. 14 .LOWDOWS 06000 A OM 1. 1 STEAM GENERATOR 8.2 05 RM219.9 SS. TD NA 3"DNUAIN 060 FAN ROOM 1 716. 14 STEAM GENERATOR 2.00 1.59 RMI 2.81 0.17 S.S. STD N/A 13 OD INSULATION P 01 BLOWDOWN 0600200 STEAM GENERATOR 4.62 1.13 RMI 0.19 0.07 S.S. STD N/A 96"OD INSULATION P 01 FAN ROOM 1 716 14 BLOWDOWN 00200-FAN ROOM 1 716" 14 SEMGNRTR 2.00 0.59 RMI 2.81 0.317 S.S. STD N/A 8" OD INSULATION 01 BLOWDEOWN 060200 STEAM GENERATOR 4.50 2.2 RMI 2256 .42 S.S. STD N/A 9"OD INSULATION a 01 FAN ROOM 1 716. 14 BLOWDOWN 0600200 FAN ROOM 1 716 14 STEAM GENERATOR 4.50 2.42 MI 225 9.42 S.S. STD N/A 6"OD INSULATION 02 1 1 BLOWvDOWNI I c c TVAWOU i-rPT-O01 RevisIon 0 Attachment H Page29 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS INSUL PROBLEM LENGTH INSUL INSULATION JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPE COMMENTS LETTER (FT3) MEA P TE 0600200 FAN ROOM 1 716 14 AMGENERATOR 4.50 1.61 RMI 4.25 1.31 S.S. STD N/A 13"OD INSULATION 0 02 FNRO1 71 14 BLOWDOVMI 0600200 STEAM GENERATOR 02 FAN ROOM 1 716 14 SE GNDO R 4.50 1.37 RMI 4.75 1.31 S.S. STD N/A 14" OD INSULATION a 02 BLOWDOW'N 060200 FAN ROOM 1 716 14 STEAM GENERATOR 4.50 20.00 RMI 2.25 6.63 S.S. STD N/A 9" OD INSULATION R 03 BLOWDOWVN 06W0200 STEAM GENERATOR 06 FAN ROOM 1 716 14 4.50 0.50 RMI 1.25 0.08 S.S. STD N/A 7" OD INSULATION R 03 BLOWDOWVN 0600200 STEAM GENERATOR 14" OD INSULATION 03 FAN ROOM 1 7169 14 13OvOM 4.50 1.34 RMI 4.75 1.28 S.S. STD N/A(VLER 00200-FNRO1 71 14 STEAM GENERATOR 4.50 1.55 RMI 4.25 1.26 S.S. STD N/A (VODINUALVE) 03 BLOWDOWN (VALVE)N/A FAN ROOM 2 716 15 MIN-K-WR N/A SEE CALC MIN-K-WR 0.5 0.02 N/A NIA N/A STAPNLES I A STAINLESS FOIL N/A FAN ROOM 2 716 15 MARINITE BOARD N/A SEE CALC MARINITE 1 0.03 N/A NIA N/A N/A A 0600200-09FAN ROOM 2 716 15 6.63 46.09 RMI 1.1875 9.33 S.S. STD N/A 9" OD INSULATION B 02 INJECTION 0600200 FAN ROOM 2 716 15 LOW-IEAD SAFETY 6.63 2.25 RMI 0.6875 0.25 SS. STD N/A 8* OD INSULATION 02 INJECTION 0600200- FAN ROOM 2 716LO EADSAFETY 6.63 0.85 MIN-X 1.1875 0.17 S.S. STD N/A 9'"O MIN-K INSULATION 8 02 INJECTION NIA FAN ROOM2 716 15 CONDUIT INSULATION 3M 2.38 47.50 3M20C SEE CALC 2.48 N/A N/A N/A SEE CALCULATION c RADIANT NIA FAN ROOM 2 716! 15 SUPPORT N/A N/A 3M20C SEE CALC 0.77 N/A NIA N/A SEE CALCULATION C C V TVAWOu ,-r(PT-O01 Revision 0 Attachment H Page30 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION INSUL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPE COMMENTS LETTER (FT3)N/A FAN ROOM 2 716' 15 BOX N/A N/A 3M20C SEE CALC 2.08 N/A N/A N/A SEE CALCULATION C 0600200 STEAM GENERATOR 02 FAN ROOM 2 716' 15 S LGERO R 4.50 11.75 RMI 2.25 3.89 S.S. STD N/A 9"OD INSULATION D 02 BLOWDOVN 0600200-07-FAN ROOM 2 716 15 2.38 1.66 RMI 2.31 0.39 S.S. STD N/A 7" OD INSULATION D 02 BLOWDOWN 0600200-07-FAN ROOM 2 716 15 4.50 11.05 RMI 2.25 3.66 S.S. STD N/A 9"OD INSULATION E 03 BLOWDOWN 060020D STEAM GENERATOR 06 0 FAN ROOM 2 716S 15 GE AOR 2.38 0.82 RMI 2.31 0.19 S.S. STD N/A 7" OD INSULATION E 03 FABOM2 1' 1 LOWDO:WN 060200-07-FAN ROOM 2 716 15 2.38 0.59 RMI 2.81 0.19 S.S. STD N/A 8" OD INSULATION E 03 BLOWDOWN N/A FAN ROOM 2 716' 15 MIN-K N/A N/A MIN-K 0.505 0.03 N/A N/A N/A N/A F N/A ACCUMULATO 716' 16 TAGS & LABELS N/A N/A N/A N/A N/A N/A N/A N/A SEE REPORT FOR R ROOM 1 COMMENTS ACCUMULATO SEE REPORT FOR PAINT B N/A R ROOM 1 716' 16 POTENTIAL PAINT CHIPS N/A N/A N/A N/A N/A N/A N/A N/A ISSUE ACCUMULATC SEE SEE SEE SEE SEE SEE WB1-"l/VD-014D, -N/A R ROOM 1 716' 16 MIRROR INSULATIONS COMM COMMENTSEE CALC NA N/A ENT 0600200 ACCUMULATO LOWHEAD SAFETY 01 R ROOM 1 716' 16 INJECTION 6.63 16.24 RMI 2.6875 8.87 S.S. STD N/A 12"OD INSULATION D 0600200 ACCUMULATO LOWHEAD SAFETY 6.63 2.17 RMI 8.6875 6.30 S.S. STD N/A 24" OD INSULATION D 01 R ROOM 1 716' 16 INJECTION 0600200 ACCUMULATO LOWHEAD SAFETY 2.38 8.16 RMI 2.3125 1.93 S.S. STD N/A 7"OD INSULATION D 01 R ROOM 1 716' 16 INJECTION c C TVAi-.,,PT-O01 Revision 0 Attachment H Page3l of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION INSUL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION 00 (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPE COMMENTS LETTER (FT3)0600200-0 ACCUMULATO 7 1 LOWEAD SAFETY 1.05 0.43 RMI 1.8125 0.05 S.S. STD N/A 6" OD INSULATION D 01 R ROOM 1 INJECTION 0600200 ACCUMULATO 76' 16 LOVM-IEAD SAFETY 0.84 MIN-K 0.25 0.01 S.S. STD N/A .25" MIN-K 01 R ROOM 1 INJECTION 105 INSULATION 0600200 ACCUMULATO 16 LOW-EAD SAFETY 1.05 0.40 MIN 2.2 0.06 S.S. STD N/A 3.25" OD MIN-K 01 R ROOM1 71 ' INJECTION INSULATION N/A ACCUMULATO 716' 16 RESIDUAL HEAT 8.63 19.92 RMI 1.1875 5.06 S.S. STD N/A 11"ODINSULATION E R ROOM 1 REMOVAL N/A ACCUMULATO 71e 16 RESIDUAL HEAT 8.63 2.25 RMI 5.69 4.00 S.S. STD N/A 20"OD INSULATION E R ROOM 1 REMOVAL N/A ACCUMULATO 71e 16 RESIDUAL HEAT 8.63 2.64 RMI 1.6875 1.00 S.S. STD N/A 12* OD INSULATION E R ROOM 1 REMOVAL N/A ACCUMULATO 718' 16 RESIDUAL HEAT 2.38 4.50 RMI 1.31 0.47 S.S. STD N/A 5"OD INSULATION E R ROOM 1 REMOVAL N/A ACCU MULATO 71 16 RESIDUAL HEAT 2.38 0.88 RMI 2.31 0.21 S.S. STD N/A 7" OD INSULATION E NA R ROOM 1 78 16 REMOVAL N/A ACCUMULATO 716 16 RESIDUAL HEAT 1.06 0.71 RMI 2.47 0.14 S.S. STD N/A 6"OD INSULATION E R ROOM1 REMOVAL N/A ACCUMULATO 718' 16 RESIDUAL HEAT 8.63 14.56 RMI 1.1875 3.70 S.S. STD N/A 11" OD INSULATION F R ROOM 1 REMOVAL 0600200 ACCUMULATO LOWVHEAD SAFETY 71COMT 16 IEATY 8.63 16.92 RMI 1.1875 4.30 S.S. STD N/A 11"ODINSULATION G 02 R ROOM 1INETO 0600200 ACCUMULATO 7168 17 3"AUXILIARY SPRAY LINE 3.50 1.28 RMI 1.25 0.17 S.S. STD N/A 6"OD INSULATION A 02 R ROOM 2 06W0200 AOCU MULATO 02 ACCUMU 718' 17 3" AUXILIARY SPRAY LINE 3.50 22.91 RMI 2.75 8.59 S.S. STD N/A 9" OD INSULATION A 02 R ROOM 2 C WAT A UCERPATUNT1WL DC EUT C TVAWv %-,PT-O01 Revision 0 Attachment H Page32 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM ~INSUL PCE PROBLEM LENGTH INSUL INSULATION VOL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPE COMMENTS LETTER (FT3)0600200 ACCUMULATO 716' 17 3"AUXILIARYSPRAYLINE 3.50 0,66 MIN-K 1.5 0.11 S.S. STO N/A 6.5" OD INSULATION A 02 RROOM2 0600200 ACCUMULATO 716' 17 3"AUXILIARY SPRAY LINE 3.50 1.09 RMI 4.25 0.78 S.S. STD N/A 12" OD INSULATION A 02 R ROOM2 I 0600200-0 ACCUMULATO 17 LOWEADSAFETY 6.63 18.42 RMI 1.1875 3.73 S.S. STD N/A 9" OD INSULATION B 02 RROOM2 INJECTION 0600200 ACCUMULATO LOWHEAD SAFETY 02 ACRUMUTO 716' 17 INJE ATI 6.63 1.92 RMI 6.6875 3.73 S.S. STD N/A 20" OD INSULATION B 02 R ROOM 2 INJECTION 0600200 ACCUMULATO 81LOW-EADSAFETY .63 13.59 RMI 1.1875 3.45 S.S. STD N/A 11"ODINSULATION B 02 RROOM2 INJECTION ACCU MULATO 71 7 LOWHEAD SAFETY 23 026 17OM INJETIO 1.34 MIN-K 0.8125 0.08 S.S. STD NIA 4"'OD MIN-K INSULATION B 0600200 ACCUMULATO 71 7 LOW-EAD SAFETY 2.38 1.34 RMIN- 0.8125 0.06 S.S. STD N/A 4." 0 MN- INSULATION B 02 RROOM2 INJECTION 0600200-0 ACCUMULATO 716' 17 LOVMEAD SAFETY 2.38 0.78 RMI 0.5625 0.03 S.S. STD N/A 3.5" OD INSULATION B 02 R ROOM 2 INJECTION 0600200 ACCUMULATO 716 17 LOWMEAD SAFETY 2.38 0.92 MIN-K 0.5625 0.03 S.S. STD N/A 3.5"ODINS T B 02 R ROOM 2 INJECTION INSULATION 0600200 ACCUMULATO 17 LOV4-IEAD SAFETY 2.38 0.50 MIN-K 1.3125 0.05 S.S. STD N/A 5" O0MIN-K INSULATION B 02 RROOM2 716' INJECTION 0600200 ACCU MULATO, LOWHEAD SAFETY 02 ACCUMA 716' 17 LO JEA TY 2.38 4.29 RIM 1.3125 0.45 S.S. STD NIA 5" OD INSULATION B 02 R ROOM 2 INJECTION 0600200 ACCUMULATO LOW/HEAD SAFETY 02 ACCMUT 716O 17 LO JE ATY 2.38 1000 RIM 2.3125 2.38 S.S. STD N/A 7" ODINSULATION B 02 R ROOM 2 76 17 INJECTION 0602009 CCMUAO 17-EASFEY 2.38 1.15 RIM 3.8125 0.59 S.S. STD N/A 10" OD INSULATIONB 02 R ROOM 2 76 17 INJECTION 060200-0 ACCUMULATO 716LO EAD SAFETY 2.38 1.45 RIM 3.8125 0.75 S.S. STD N/A 8" OD INSULATION B 02 RROOM2 INJECTION V-TVAWCiiPT-001 RevIsion 0 Attachment H Page33 of 44 WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION INSUL JACKET BUCKLE STRAP PACKET VNOLUM AKT BCL TA COMMENTS PCE NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) (FT3) MATERIAL TYPE TYPE LETTER 0600200 ACUMULATO 17 LOWEADSAFETY 1.05 0.51 RIM 1.475 0.04 S.S. STD N/A 4" OD INSULATION B 02 RROOM2 INJECTION 0600200 ACCUMULATO LOWHlEAD SAFETY 020 R ROOM 2 716' 17 INJECI 1.05 3.67 RIM 2.975 0.96 S.S. STD N/A 7" OD INSULATION B 02 R ROOM 2 INJECTION ACCUMULATO 716'I17AREMOAA N/A R ROOM 2 716 17 RESIDUALIEAT 8.63 27.84 RMI 1.1875 7.08 S.S. STD N/A 11"ODINSULATION C ACCU MULT RESIDUAL H N/A R ROM 2 716 17 RESIDUAL HEAT 8.63 2.17 RMI 86875 7A12 S.S. STD N/A 26" OD INSULATION C RROOM2REOA 0600200 ACCUMULATO 716 17 NORMAL CHARGING 3.50 3.00 RMI 1.75 0.60 5.5. STD N/A 7"OD INSULATION D 11 RROOM2 0600200 ACCUMULATO 716 17 NORMAL CHARGING 3.50 0.65 RMI 1.25 0.06 S.S. STD N/A 6" OD INSULATION D 11 RROOM2 0600200 AOCUMULATO 716' 17 NORMAL CHARGING 3.50 0.96 RMI 2.75 0.36 S.S. STD N/A 9'OD INSULATION D 11 RROOM2 0600200 AOCUMULATO 716' 17 EXCESS LETDOWN 1.32 11.09 RMI 2.34 2.07 S.S. STD NIA 6"OD INSULATION E 12 RROOM2 060200 ACCUMULATO 716' 17 EXCESS LETDOWNJ 1.32 2.00 RMI 1.84 0.25 S.S. STD N/A 5" OD INSULATION E 12 RROOM2 060020D ACCU MULATO 12 R ROOMU2 716' 17 EXCESS LETDOWN 1.05 1.07 RMI 1.975 0.14 S.S. STD N/A 5"OD INSULATION E 16020-8 AROUMULT 7" OD INSULATIONE 0600200 ACCUMULATO 716' 17 EXCESS LETDOWN 1.05 0.67 RMI 2.975 0.18 S.S. STD N/A IATOE 12 ROOM2(VALVE) 0600200 ACCUMULATO 716' 17 3"ALTERNATE CHARGING 3.50 11.84 RMI 2.75 4.44 S.S. STD N/A 9"OD INSULATION F 11 RROOM2 600200 AOCUMU 716 17 3"ALTERNATE CHARGING 3.50 2.75 RMI 1.25 0.36 S.S. STD N/A 6"OD INSULATION 11 R ROOM2 76SS T / "DISLTO C Revision 0 Attachment H Page34 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM L T E A AS TOINSUL LENGTH INSUL INSULATION JACKET BUCKLE STRAP COMMENTS PACKET NUMBER VOLUNELV RA DECITON O I)ME CMET L I E ES OI (FT) TYPE THICKNESS (IN) 3) MATERIAL TYPE TYPE LETTER 0600200 ACCU MULATO 00 ACCUML 716' 17 3" ALTERNATE CHARGING 3.50 2.34 RMI 2.25 0.66 S.S. STD N/A 8"OD INSULATION F 11 R ROOM 2 N/A ACCUMULATO 716 19 TAGS & LABELS N/A N/A N/A N/A N/A N/A N/A N/A SEE REPORT FOR R ROOM 4 COMMENTS N/A ACCUMULATO 716! 19 TAGS & LABELS N/A N/A N/A N/A N/A N/A N/A N/A SHOWRUBBER GASKETS B RROOM4 N/A ACCUMULATO 716' 19 TAGS & LABELS N/A N/A N/A N/A N/A N/A N/A N/A SEE REPORT FOR RROOM4 COMMENTS ACCU MULATO NO POTENTIAL DEBRIS N/A RAROOML4 716' 19 PENETRATIONS N/A N/A NIA N/A N/A N/A N/A N/A FROM THESE D PENETRATIONS 0600200 ACCUMULATO 716' 19 LETDOWN LINE 2.38 23.17 RMI 1.81 3.83 S.S. STD N/A N/A 09 R ROOM4 N/4 0600200 ACCUMULATO LO76 1HIEAD SAFETY 1 01 RROOM4 716' 19 INJECTION 6.63 15.67 RMI 1.1875 317 S.S. STD N/A 9"OD INSULATION 0600200 ACCUMULATO LOVVrIEAD SAFETY 01 RROOM4 716 19 INJECTION 6.63 2.17 RMI 9.6875 7.48 S.S. STD N/A 26"OD INSULATION 0600200 ACCUMULATO LOWHEAD SAFETY 8.63 35.09 RMI 1.1875 8.92 S.S. STD N/A 11"ODINSULATION F 01 RROOM4 716' 19 INJECTION 0600200 ACCUMULATO LOWHEAD SAFETY 01 RROOM4 716' 19 INJECTION 8.63 0.53 RMI 2.8187 0.37 S.S. STD NIA 13"OD INSULATION F 0600200 ACCUMULATO LOVVHEAD SAFETY 105 8.92 RMI 2.475 1.70 S.S. STD N/A 6"OD INSULATION F 01 RROOM4 716' 19 INJECTION 0600200 ACCUMULATO 19 LOW-EAD SAFETY 1.05 0.90 MINX 0.726 0.03 S.S. STD NIA 2.5'OD MIN-K F 01 RROOM4 716' INJECTION INSULATION 0600200 ACCUMULATO LOW-HEAD SAFETY 01 R ROOM 4 716' 19 INJECTION 1.05 0.94 RMI 3.475 0.32 SS. STD N/A &"OD INSULATION F C r TVAWuu i-RPT-001 Revision 0 Attachment H Page35 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM ~INSUL PCE NUMBER LENGTH INSUL INSULATION VOL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) MATERIAL TYPE TYPE LETTER (FT3)0600200 ACCUMULATO 16!¶19-EADSAFETY 2.38 6.25 RMI 2.31 1.48 S.S. STD NIA 7"OD INSULATION F 01 R ROOM 4 INJECTION 0600200 ACCUMULATO 7r 19 LOWHEAD SAFETY 0609 C19 LOOv¶-IECTI 2.38 0.71 RMI 4.3125 0.45 SS. STD N/A 11"ODINSULATION F 0600200 ACCUMULATO 71 9 LOWI-IEAD SAFETY 1.05 1.80 RMI 2.475 0.34 S.S. STD N/A 6" OD INSULATION F 01 RROOM4 INJECTION 060200 ACCUMULATO ! 19 O EADSAFETY 1.05 3.42 RMI 1.975 0.45 S.S. STD N/A 5"OD INSULATION F 01 R ROOM 4 INJECTION 0600200 ACCUMULATO 716 19 LOVwHEAD SAFETY 1.05 0.84 RMI 4.975 0.55 S.S. STD N/A 11"OD INSULATION F 01 RROOM4 INJECTION N/A ACCUMULATO 716' 19 RESIDUALHEAT 8.63 51.59 RMI 1.1875 13.11 S.S. STD N/A 11"ODINSULATION G RROOM4 REMOVAL N/A ACCUMULATO 716' 19 RESIDUAL HEAT 8.63 1.00 MINX 0.935 0.20 S.S. STD N/A 10.5" OD INSULATION G R ROOM 4 REMOVAL N/A ACCUMULATO 71V 19 RESIDUAL HEAT 8.63 2.52 RMI 0.6875 0.35 S.S. STD N/A 10"OD INSULATION a RROOM4 REMOVAL N/A ACCUMULATO 7W 19 RESIDUAL HEAT 12.75 21.92 RMI 1.125 7.46 S.S. STD NIA 15(OD INSULATION G RROOM4 REMOVAL N/A ACCUMULATO 716 19 RESIDUAL HEAT 12.75 1.50 RMI 2.625 1.32 S.S. STD NIA 18"OD INSULATION G R ROOM 4 REMOVAL N/A ACCUMULATO 716 19 RESIDUAL HEAT 10.5 1.75 RMI 2.475 0.33 S.S. STD NIA 6' OD INSULATION G RROOM4 REMOVAL N/A ACCUMULATO 19 RESIDUAL HEAT 1.05 0.80 RMI 1.475 0.07 S.S. STD N/A 4"OD INSULATION G R ROOM 4 716' REMOVAL N/A ACCUMULATO 19 RESIDUAL HEAT 288 G RMI 1.06 00IS STD N/A 5" OD INSULATION R ROOM 4 716' REMOVAL I I (TIEBACK SUPPORT) C C C-i-RPT-O01 Revision 0 Attachment H Page36 of 44 WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS PROBLEM LOCATION ELEV, AREA DESCRIPTION 00 (IN) LENGTH INSUL INSULATION INSUL JACKET BUCKLE STRAP PACKET NUMBER (FT) TYPE THICKNESS (IN) (FTU) MATERIAL TYPE TYPE LETTER (FT'3)N/A R ROM 4 716! 19 RESIDUAL HEAT 1.05 0.46 RMI 1.975 0.06 S.S. STD N/A 5" OD INSULATION G R ROOM 4REOA N/A ACUUAO 716' 19 REIULET 2.88 0.53 RMI 1.56 0.08 S.S. STD N/A 6OINUAON G R ROOM 4 REMOVAL (TIEBACK SUPPORT)N/A RROOM4 RESIDUAL HEAT 5 1109 RMI 1475 4" OD INSULATION (DRAIN G NA ACCUMULATO 716' 19 REMOVAL1.0 RM 1.4 0.90 S.S. STD N/ALIE R ROOM 4 19REMOVAL "5LINE)N/A ACCUMULAT RESIDUAL HEAT 1.05 1.07 RMI 1.975 0.14 SS. STD 5"0 INSULATION (DRAINNG RAROOMU4 REMOVAL VALVE)0600200 ACCUMULATO RESIDUAL HEAT 14.00 10.50 RMI 2 7.33 S.S. STD N/A 18"O0 INSULATION H 01 RROOM4 716' 19 REMOVAL 0600200 ACCUMULATO RESIDUAL HEAT 10.75 6.00 RMI 2.125 3.58 S.S. STD N/A 15" 00 INSULATION H 01 RROOM4 716' 19 REMOVAL 1 0600200 ACCUMULATO 716 19 RESIDUAL HEAT 14.00 3.11 RMI 9.5 15.15 S.S. STD N/A 33"OD INSULATION H 01 R ROOM 4 REMOVAL (VALVE)0600200 AOCUMULATO RESIDUAL HEAT 28" OD INSULATION H 0110.75 2.72 RMI 8.625 9.92 SS. ST N/A (VALVE)0600200 ACCUMULATO 19 RESIDUAL HEAT 3.50 0.34 RMI 1.75 0.07 S.S. STO N/A 7"O0 INSULATION H 01 RROOM4 716' REMOVAL 0600200 ACCUMULATO RESIDUAL HEAT 01 R ROOM 4 716' 19 REMOVAL 1.05 0.82 RMI 0.975 004 S.S. STD N/A 3" 00 INSULATION 0600209- ACCUMULATO 71 19 LOWIEADSAFETY 8.63 39.75 RMI 1.1875 10.11 S.S. STD N/A 11"OD INSULATION J 02 RROOM4 716'DINJECTION 0600200 ACCUMULATO 7LOV-EAD SAFETY 8.63 5.17 MIN-K 0.9375 1.01 S.S. STD N/A 10.5"O0 MIN-K 02 R ROOM 4 INJECTION INSULATION 0600200 ACCUMULATO 716E19LINAERETN 06 RR OM T SEAL WATER RETURN 4.50 14.67 RMI 1.75 3.50 S.S. STD N/A 8"OD INSULATION K c C C.;TVAW0 -RPT-O01 Revision 0 Attachment H Page37 of 44 WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION INSUL JACKET BUCKLE STRAP COMMENTS PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) (FL3) MATERIAL TYPE TYPE LETTER 0600200 ACCUMULATO SEAL WATER RETURN 06 RROOM4 716' 19 LINE 4.50 1.17 RMI 4.75 1.12 S.S. STD N/A 14"OD INSULATION K 0600200-08 ACCUMULATO,71 19 SEAL WATER RETURN 1.506 3.80 RMI 1.475 0.31 S.S. STD N/A 12"OD INSULATION K 06 RROOM4 LINE 0600200 ACCUMULATO 716 19 SEAL WATER RETURN 1.06 1.71 RMI 247 0.33 S.S. STD N/A 4"ODINSULATION K 06 RROOM4 LINE 060200 ACCUMULATO 716' 19 SEAL WATERRETURN 2.38 1.83 RMI 1.47 0.31 SS. STD N/A 4"OD INSULATION K 06 R ROOM 4 LINE 0600200 ACCUMULATO SEAL WATER RETURN 0 R M4 716! 19 LINE2.3 1.83 RMI 1.31 0.19 SS. STD N/A 6" OD INSULATION K 06 R ROOM 4 76 19LINE 0600200 ACCJMULATO 16 SEAL WATER RETURN 016 1RO49 LIE2.38 0.26 RMI 3.31 0.19 S.S. STD N/A 5" OD INSULATIONK N/A ACCUMULATO 71S 19 MINX NA N/A MINK 0.72 0.04 N/A N/A N/AN/AR N/A1 ,3 .6 RI .1011 .SD N/ "O N/UATIO R ROOM 4 UPPERGLCLRTR/LPL OMA NA CONTAINMEN 756 GLYCOL RETURN/SUPPLY 2.38 29.03 FOAMGLA 3 10.22 S.S. NIA STD EL. 756' TO EL. 769-10 5/8 A N/ OTANE 76 20LINES 2.8 2.3 SS T UPPER GYO EUNSPL OML N/A U E GLYCOL RETURN/SUPPLY 2.38 10.10 FOAMPLA 3 3.56 N/A N/A N/A EL. 771'-6" A T LINES STIC UPPER GLYCOL RETURN/SUPPLY FOAMPLA N/A CONTAINMEN 756' 20 LINESU 0.84 6.25 FTC3 1.57 NIA N/A N/A EL. 771'-6" A T LINES STIC UPPER 2.38 14.10 STIC N/A CONTAINMEN 756' 20 GLYCOL RETURN/SUPPLY 14.10 FOAMPLA 3 4.96 N/A N/A N/A EL. 775-0" A T LINES STIC UPPER N/A CONTAINMEN 7W 20 GLYCOL RETURN/SUPPLY 0.84 8.75 FOAMPLA 3 2.20 N/A N/A N/A EL. 775-9 A T LINES STIC UPPER GLYCOL RETURN/SUPPLY 08A250A N/A CONTAINMEN 756' 20 0.84 2.50 FOAMGLA 3 0.63 S.S. N/A STD CHECK VALVES A T LINES SS (C C TVAWw .-RPT-O01 Revision 0 Attachment H Page38 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION 00 (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPE COMMENTS LETTER (FTT)UPPER GLYCOL RETURN/SUPPLY SEE FOAMPLA N/A CONTAINMEN 756 20 LINES CALC SEE CALC STIC 1 1.65 N/A N/A N/A AT SUPPORTS T N/A ICE 803' 21 VENT-CURTAINS N/A SEE CALC SEE CALC SEE CALC 2.20 N/A NIA N/A N/A A ICONDENSER N/A ICE CSEAL FRAME & VESSEL N/A SEE CALC SEE CALC SEE CALC 8.38 N/A N/A N/A N/A A NA CONDENSER 83 21SHELLI N/A ICE 756 21 GLYCOL RETURN/SUPPLY 2.38 318.00 FOAMGLA 3 111.97 S.S. N/A STD N/A B CONDENSER LINES 2SS N/A ICE 756 21 GLYCOL RETURN/SUPPLY 1.05 264.00 FOAMGLA 3 69.98 S.S. N/A STD N/A B CONDENSER LINES SS N/A ICE 7W 21 DRAIN LINES 12.75 255.00 FOAMGLA 3 262.86 S.S. N/A STD N/A B CONDENSER SS N/A ICE 819'-7 21 TOP DECK BLANKET SEE SEE CALC SPONGE 075 444.00 S.S. N/A STITCHE 2 BLANKET LAYERS C CONDENSER 1/2" ASSEMBLY CALC S ICE SEE FOAM CONDENSER 803" 21 END WALLS/DOORS CALC SEE CALC RUBBER S.S. JACKETING USED ON N/A ICE 803' 21 GLYCOL SUPPLY LINE 6.63 29.81 FML 3 18.78 N/A N/A N/A SOME PIPING OUTSIDE E CONDENSER 1 GCLOF ICE CONDENSER BAY S.S. JACKET ING USED ON ICE FOAMGLA 7.02 N/A NIA N/A SOMEACKETING OUTSEDEO N/A CONDENSER 803' 21 GLYCOL SUPPLY LINE 4.50 14.30 SS 3 7N/A SO E PIPING OUTSIDE E CONDNSE SSOF ICE CONDENSER 1BAY S.S. JACKETING USED ON N/A CONDENSER 803' 21 GLYCOL SUPPLY LINE 4.50 553.47 STFC 2.5 211.31 N/A N/A N/A SOME PIPING OUTSIDE E OF ICE CONDENSER BAY S.S. JACKETING USED ON ICE FOAMGLA :63 / / / OEPPN USD N/A CONDENSER 803' 21 GLYCOL RETURN LINE 6.63 10.00 6.30 N/A N/A N/A SOME PIPING OUTSIDE E CONDENER SSOF ICE CONDENSER B3AY S.S. JACKETING USED ON N/A ICE 803' 21 GLYCOL RETURN LINE 4.50 29.67 FOAMGLA 3 14.56 N/A N/A N/A SOME PIPING OUTSIDE E CONDENER SS OF ICE CONDENSER BAY C C TVAWUv -r"tPT-001 Revision 0 Attachment H Page39 of44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM INSUL PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION 00 (IN) LENGTH INSUL INSULATION VOL JACKET BUCKLE STRAP COMMENTS PACKET (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPE LETTER (FT3)ICE FOAMPLA S.S. JACKETING USED ON N/A CONDENSER 803 21 GLYCOL RETURN LINE 4.50 529.00 STIC 2.5 201.97 N/A N/A N/A SOME PIPING OUTSIDE I OF ICE CONDENSER BAY ICE GLYCOL SUPPLY BY-PASS FOAMPLA 2.5 1.31 N/A N/A N/A N/A N/A CONDENSER 803' 21 LINE 0.4 7.17 STIC 2 ICE GLYCOL SUPPLY BY-PASS 0. 050 FOAMGLA 3 0.13 N/A N/A N/A VALVE E N/A CONDENSER 803 21 LINE SS N/A ICE GLYCOL RETURN BY-. 8.27 FOAMPLA 2.5 1.51 N/A N/A N/A N/A E CONDENSER 803' 21 PASS LINE 0I STIC ICE GLYCOL RETURN BY- 0.4 0.50 FOAMGLA 3 0.13 NIA N/A N/A VALVE E N/A CONDENSER 803 21 PASS LINE SS N/A ICE GLYCOL EXPANSION 3.50 0.59 2.5 0.19 N/A N/A N/A N/A E CONDENSER 803' 21 TANK LINES STIC ICE GLYCOL EXPANSION 1.32 32.72 FOAMPLA 2.5 6.82 N/ A N/A N/A N/A CONDENSER 803' 21 TANK LINES STIC N/A ICE GLYCOL SUPPLY/RETURN 1.32 750,00 2.5 156.26 N/A NIA NIA N/A E N/A CONDENSER LINES TO AH-US STIC ICE FOAMGLA N/A CONDENSER 803' 21 HEADER LINES 1.90 462.55 SS 148.34 S.S. NIA STD N/A NA ICE HEADER/AHU FOAMGLA CONDENSER 803' 21 DRIAPS 1.90 150.00 3 48.11 S.S. N/A STD N/A E NA CNESRDRAINS/TRAPS SS ICE EADE/AHUFOAMPLA ICE HEADERNAHU 1.90 60.00 2.5 14.40 S.S. N/A STD N/A E N/A CONDENSER 803' 21 DRAINS/TRAPS STIC ICEFOML N/A CONDENSER 803' 21 TOP DECK BEAMS N/A SEE CALC FOAMPLA 1 1376.00 N/A N/A N/A N/A ICTE ICE DUCT FLEX N/A CONDENSER 803' 21 CONNECTIONS N/A SEE CALC SEE CALC SEE CALC 0.32 N/A N/A N/A N/A G c t-TVAWv ,-RPT-O01 Revislon 0 AttachmentH Page40 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION tNSUL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPE COMMENTS LETTER (FT3)ICE DUCT FLEX N/A CONDENSER 803' 21 CONNECTIONS NA SEE CALC SEE CALC SEE CAIC 4.59 N/A N/A N/A N/A ICE N/A CONDENSER 803' 21 VENT-CURTAINS N/A SEE CALC SEE CALC SEE CALC 3.89 N/A N/A N/A N/A H REACTOR SEE N/A RESSEL 713' 22 REACTOR VESSEL SEE SEE CALC RMI SEE CALC 810.76 S.S. STD N/A N/A A VESSEL CAIC N/A REACTOR 713' 22 REACTOR VESSEL 1.06 SEE CALC RMI 1.47 1.57 S.S. STD N/A FILLED WTH MED. S.S. A VESSEL WvOOL SEE N/A PRESSURIZER 72A 23 PRESSURIZER SCE SEE CALC RMI SEE CALC 449.41 S.S. STD N/A N/A 0600200 6"PRESSURIZER 7P' 25.56 0.29 RMI 7.22 0.58 S.S. STD N/A 20" OD INSULATION B 02 PEU E 7 2 LINE 0600200 PRESSURIZER 729' 23 6"PRESSURIZER SPRAY 5.56 0.38 RMI 2.22 0.14 S.S. STD N/A 10" OD INSULATION B 02 LINE 0600200

6. PRESSURIZER SPRAY 02 PRESSURIZER 72P 2A3 LINE 4.50 0.79 RMI 2.75 0.34 S.S. STD N/A 10"ODINSULATION B 0600200 6PPRESSURIZER SPRAY 02 PRESSURIZE 729A 23 LINE 6.62 49.34 RMI 2.69 26.96 S.S. STD N/A 12" OD INSULATION B 0600200 P 6" PRESSURIZER SPRAY 6.62 0.65 RMI 0.24 S.S. STD N/A 8.5" OD INSULATION B 02 PRESSURIZER 729' 23 LINE 0600200 6" PRESSURIZER SPRAY 02 PRESSURIZER 729' 23 LINE 1.05 1.05 RMI 2.975 0.27 S.S. STD N/A 7" OD INSULATION 0600200 PRESSURIZER 729' 23 3"AUXILIARY SPRAY LINE 3.50 16.75 RMI 2.75 6.28 S.S. STD N/A 9'OD INSULATION B 02 0600200-1 3-02 PRESSURIZER 729' 23 3"AUXILIARY SPRAY LINE 3.50 1.34 MIN-K 0.56 0.07 S.S. STD N/A 4.62"OD INSULATION a

C7 TVAWOu1-RPT-001 RevisIon 0 Attachment H Page4l of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION VOLUMEL JACKET BUCKLE STRAP COMMENTS PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) (FT3) MATERIAL TYPE TYPE PAKLETTER 0600200 PRESSURIZER 729' 23 3"AUXILIARY SPRAY LINE 3.50 1.30 RMI 0.75 0.09 S.S. STD N/A 5"OD INSULATION B 02 0600200 PRESSURIZER 729' 23 3"AUXILIARY SPRAY LINE 3.50 1.46 RMI 6.25 1.94 S.S. STD N/A 16"OD INSULATION B 02 0600200 PRESSURIZER 729' 23 3"AUXILIARY SPRAY LINE 3.50 0.70 MIN-K 1.5 0.11 S.S. STD N/A 6.5"OD INSULATION B 02 N/A PRESSURIZER 729' 23 3/4" INSTRUMENTATION 1.05 5.84 RMI 4.98 3.83 S.S. STD N/A 11" OD INSULATION C N/A PRESSURIZER 729' 23 3/4" INSTRUMENTATION 1.05 1.46 RMI 3.98 0.64 S.S. STD N/A 9" 00 INSULATION C N/A PRESSURIZER 729' 23 PRESSURE RELIEF 6.63 9.84 RMI 2.6875 5.37 S.S. STD N/A 12" OD INSULATION D N/A PRESSURIZER 729' 23 PRESSURE RELIEF 3.50 2.67 RMI 6.5 3.79 S.S. STD N/A 16.5" OD INSULATION D N/A PRESSURIZER 729' 23 PRESSURE RELIEF 3.50 4.27 RMI 2.75 1.60 S.S. STD N/A 9"OD INSULATION 0 N/A PRESSURIZER 729' 23 PRESSURE RELIEF 12.00 1.11 RMI 2 0.68 S.S. STD N/A 16"ODINSULATION D (FLANGE)N/A PRESSURIZER 729' 23 PRESSURE RELIEF 3.50 1.67 RMI 3.75 0.99 S.S. STD N/A 11"ODINSULATION D N/A PRESSURIZER 729' 23 PRESSURE RELIEF 3.50 0.64 RMI 2.25 0.18 S.S. STD NIA 8"OD INSULATION D N/A PRESSURIZER 729' 23 PRESSURE RELIEF 12.00 1.11 RMI 2.25 0.78 S.S. STD N/A 13.5"ODINSULATION D (FLANGE)N/A PRESSURIZER 729' 23 PRESSURE RELIEF 1.06 1.98 RMI 2.97 0.52 S.S. STD N/A 7" OD INSULATION D C C C, TVAW00 1-RPT-O01 Revision 0 Attachment H Page42 of 44 WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS PROBLEM LENGTH INSUL INSULATION INSUL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) VOLUME MATERIAL TYPE TYPE COMMENTS LETTER (FT3)0600200 INSTRUMENT 716' 24 LETDOWN LINE 3.50 16.67 RMI 3.25 7.98 S.S. STD N/A N/A A 10 ROOM N/A INSTRUMENT 716' 24 LETDOWN LINE 3.50 30.84 RMI 3.25 14.76 S.S. STO N/A N/A B ROOM INSTRUMENT 24 REGENERATIVE HEAT 10.90 SEE CALC RMI 3.05 45.63 S.S. STD N/A N/A B N/A ROOM EXCHANGER 0600200 INSTRUMENT 716' 24 LETDOWN LINE 3.50 15.34 RMI 1.74 3.05 S.S. STD NIA N/A C 09 ROOM 0600200 INSTRUMENT 716 24 NORMALCHARGING LINE 3.50 23.67 RMI 275 8.88 5.5. STD N/A AT 9" 0 INSULATION D 11 ROOM 0600-8 NTUET 716" 24 NORMAL CHARGING LINE 3.50 124.6 RMI 12.5 0.16 S.S. STD N/A AT 6" 0D INSULATION D 11 ROOM 0600200 INSTRUMENT NA A "DISLTO 11 ROOM 716" 24 NORMAL CHARGING LINE 3.50 1.24 RMI 1.25 0.16 S.S, STD, I/ T6 DISLTO 0600200-0 INSTRUMENT 716' 24 NORMAL CHARGING LINE 3.50 2.82 RMI 1.75 0.57 S.S. STD N/A AT 7" OD INSULATION D 11 RCOO M 0600200 INSTRUMENT ALTERNATE CHARGING 3.50 1.18 RMI 2.75 0.44 S.S. STD N/A AT 9" OD INSULATION D 11 ROOM 716' 24 LINE 0600200 INSTRUMENT 24 ALTERNATE CHARGING 3.50 1.69 RMI 2.25 0.48 S.S. STD N/A AT 8" OD INSULATION D 11 ROOM 716' LINE 0600200 INSTRUMENT NORMAL CHARGING 1.05 3.34 RMI 1.975 0.44 S.S. STD N/A AT 5"OD INSULATION 11 ROOM 716' 24 BYPASS LINE 0600200 INSTRUMENT NORMAL CHARGING 1.05 1.80 RMI 0.975 0.08 S.S. STD N/A AT 4" OD INSULATION D 11 ROOM 716' 24 BYPASS LINE 0600200 INSTRUMENT 716' 24 AUXILIARY SPRAY LINE 2.38 10.84 RMI 2.81 3.45 S.S. STD N/A AT 8OD INSULATION D I13 ROOM 0600200 INSTRUMENT 716' 24 AUXILIARY SPRAY LINE 3.50 1.05 RMI 2.75 0.39 S.S. STD N/A AT 9" OD INSULATION D 02 ROOM C f--C TVAWta -,iPT-O01 Revision 0 Attachment H Page43 of 44 WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS PROBLEM I LENGTH INSUL INSULATION INSUL JACKET BUCKLE STRAP PACKET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS (IN) MATERIAL TYPE TYPE 0600200 INSTRUMENT 716' 24 AUXILIARY SPRAY LINE 3.50 0.84 RMI 0.25 0.02 S.S. STD N/A AT 4" OD INSULATION D 02 ROOM 0600200 INSTRUMENT 716' 24 AUXILIARY SPRAY LINE 3.50 0.59 RMI 0.75 0.04 S.S. STD N/A AT 5"OD INSULATION D 02 ROOM 0600200.13-INSTRUMENT 716' 24 AUXILIARY SPRAY LINE 3.50 2.21 RMI 0.5 0.10 S.S. N/A STD AT 4.5"OD INSULATION D 02 ROOM A INSTRUMENT R24 UALHEAT 8.63 55.34 RMI 1.1875 14.07 S.S. STD N/A 11"ODINSULATION E N/A ROOM 7 REMOVAL 0600200 INSTRUMENT 24 LOWEADSAFETY 8.63 72.67 RMI 1.1875 18.47 S.S. STD N/A 11"ODINSULATION F 02 ROOM INJECTION 0600200 INSTRUMENT 716' 24 EXCESS LETDOWN 1.32 16.67 RMI 2.34 3.11 S.S. STD N/A 6"OD INSULATION G 12 ROOM 0600200 INSTRUMENT 716' 24 EXCESS LETDOWN 1.32 1.17 MIN-K 1.34 0.09 S.S. STD N/A 4" OD INSULATION G 12 ROOM 0600200 INSTRUMENT 716' 24 EXCESS LETDOW'N 1.32 0.72 RMI 1.84 0.09 S.S. STD N/A 5" OD INSULATION G 12 ROOM 0600200 INSTRUMENT 716' 24 EXCESS LETDOWN 1.05 0.93 RMI 2.84 0.22 S.S. STD N/A 7" OD INSULATION G 12 ROOM NIA INSTRUMENT 720-737 24 CONDUIT 3M-M20C 1.90 5000 3M-M20C 0.1875 2.19 N/A N/A N/A SEE CALCULATION H ROOM INSULATION N/A INSTRUMENT 720-737 24 CONDUIT3M-M20C 068 50.00 3M-M20C 0.1875 1.00 N/A N/A N/A SEE CALCULATION H ROOM INSULATION N/A INSTRUMENT 24 CONDUIT 3M-M20C N/A N/A 3M-M20C 0.1875 1.54 N/A N/A N/A SUPPORT INSULATION H ROOM 720-737 INSULATION SEE CALCULATION N/A INSTRUMENT 720-737 24 MIN-K INSULATION 068 20.00 MIN-K 0.75 1.06 N/A N/A N/A SEE CALCULATION H ROOM .PT-001 Revision 0 Attachment H Page44 of 44 93M........... Reot'ci No. VAWV(fl I -RIYT.*OO I Revis~ont 0 ge t ATTACHMENT I: AREA MAP FOR INSULATION WALKDOWN PAC(KAGES .......... ........... encfcý: Repor.No, 'INAW(K) I RPi'-00)Rev i.$un 0 Attcunctirn I FPago'.2 ff5 r......................................... ................................................... .......... -....................................................... ..........W ALK.DOW N PA.C*KAGE LOCATFIONS AREA ELEVATION ROOM 01 72RACEWAY 702' LOPI A O O 9........... 0 LOOPd (AZ TO90................................................... ........... ........... .7 0 2 ........................................................................ .......... .............................................................................................. 05 702' i LOOP 4 (AZ 270': TO 180C)04702' ............................. LO O P 1 (fAZ 80 ."...T.O ....9/.0.... ........................ .. ............................ ........... ~ ." ....... ............................. ___ 7i 6'. LOOP 1 (AZ 0"TO 90"'.070' LOOP 2 (AZ 90:- TO 180)04_ _ 702' LOOP3 (AZ 180' TO 270 )09 710' LOOP 4 (AZ 270- TO 0Q, j 10 745' 1 LOOP I (AZ 0* TO 90:' .......... 07 745' LOOP 2 (AZ 90^ TO 180')12 74516' LOOP 3 (AZ 180" TO 13 -----4-------- --_-------...... LOOP 4 (AZ 270C TO Oc;)16b 7160 ACCUMULATOR ROOM 1 17 716' ACCUMULATOR ROOM 2 75 716L ACCUMULATOR ROOM 3 S19 716' ACCUMULATOR ROOM 41 ,._ 2._ _20 ...................... Z Z ; ........... ... :................. .. .......................................... ............... ........R. O T .I.N... 'L.. t.4.......... ............................................................ 21 803' ICE CONDENSER....... ... ........ .,t,................................................................................... L O O ..... (A.8 " T 7 )............................................................ 22 713" 4 REACZOR VES, EO.... .2 3 -.......... "...... .. 2 " .................... i". ... ......... ............................... ..... I ................. ..... .. ........ ... .............................................. .16 716' INSTRUMENT ROOMREGEN HEAT EXCHANGER RM

~ t~ .A~f A R, cpox No. TVA W,00I R PT.O0%J V~~~0 fat ;c ýfl~l 5...............

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...I,/V AI,?$ ~.~ A O;T.'s ýVA..... ............. ........................... .............. ...... ..4.~~Recvis.lon 0*Pap "I of i I ............ ....... ........ ......... -- ..................... I ..................... ....... -A 10 "1 A. "I A X 6W." Mt Wr A AT EL. 716t~O9~------ .............................. .._. _ ._.... Attachment I Pap of S.................................... .................................. ................... I I w ATTS OAR I ANAL.YSIS WEPORT UFSAR Mc~.erol I 6W TS 1 '& 2 REACTC3R EVILDING TVA 0;Wkr NO.. 47W!200-1I RS.........

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-......... -KIM: V%.: ReCoit.No. , ,VAWOUI ...P.4 I Revision 0 PR) :- Ilof 6 ATiA CUHIENI 4: WA UKUOWN PACKAGES..... ........ .............. V....................r. WV'dlls-Originator: D2ale.'... i .............. C.l.hCcker,. " ta. we ...*V'/ Michael Caldwell Repor1 N.o. "]VAW.V.O)1.-RPT-'4O0 Revii¶.tm 0 Atiachment J Fakge 2 o 6........ .........Watts Bar Unit I Walk Down Packages i NDER LOCATION I PACKAGE NUMBER TOTAL PAGES 1 _ ___ _ Wi.;-DWD-0OO1 A ...7 .........1 ~~W&31-[WD-001B 7____1 .Wi3.W~J1 %/ .13 1 WB1.DWto-001D 27 1 !_ WB1-DWD-001E 6 1 _ WBI DWD-001F 7 1[ WBI.-DWD-00[IG 6 1 WB1-DWD.001"H Not Used 1 WBI-DWD-0011 Not Used 1 WB1-OWD-001J 3" WB1,DWD-001K 10...................... ...................... W .W .O .... .1 W61-DWD-001L 5 1____ _ 1,DWD-MO10 5 i I WB!.DWD..002D.......... I -.WB1-DWD-002A 3._ WBi-DWD-0023 4_ __ _WBI.DWD-0023 2 -____I____ WBI..DWD-O03C 3 I WBi-DWD-003D 4 1 WB1-DWD-0024 3 i WBtI.DWD-003C 4...................... "."............ W B I -D W D -004B 4 I WB1-DWD-004A 3...... ......... ... ........ .. ...... ........................... ....................... W DI .,5__ _ _ _ _ _ WB4_eIWD.O04j ) -+ *... ............ _____I _____ W81-DWD-004E 3.-i WB1-DWD-OOSA0 ,......................... .............................................. i WB1-DWD-005F IC7....................... ............ W I W D ................ 1 Wo1-DWD-OOSL 14*..................I ......... .i................ 1i WBI-DWD-.005F 7 __I ~~ WBI-DWD-005G ~ 3__1 WB1-DWD-006A 9 S1 3 4................. i............. .] 5 ,5,5 ., ...... ....... ; ................. ..1 WB1IDWD..006 _ 4 , .................................................... ____ 20.................. 41 ............... W.1..WD ...J....1 .WBI.DWD..006E 4.10 1 _____ -~DIND-006Fj 4... ............

.4....w~. ...... .....DWD-006G _______________________.

________. .1 .................. No ... E .l 1 WEBI*DWD-0061 N........................ .. 4 ______............ .~... ...: 2 .... .aegvcsiofu Page hciont6.............................. .............. ........... ...... ..... .... ........... ....... ....Watts Bar Unit 1 Walk Down Packages S I NDER LOCATION PACKAGE NUMBER TOTAL PAGES............... .W -B1 -DW D ..0iGM __ _ __ _W1B_1- WB1-DWD- OO6N 4 WBI-DWD-000O Not Used* I WBI.-DWD-006P 7... ............... .......D W...-........ 1 WBI-.*DWD*OC) 4 1 B1**DWD-00S6R 4 2_ _ WB1-DWD-007A 11 2 WBI-.DWD-007B 4 2 WBI-DDWD-007C

5. ................

........................ 2 i WB1-.DWD.007E* 2 WBIDWD-O%7F 6................ .............. .... ......................... ........................ L ___._ ......_._...... .._ .... ...._ 2 i WB1..DWD4J07H 3....................... 2....................

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............ 'd ;,;¢ .. .. .2 W614)WD.0071 NLMIUsed 1 2 MW81.DWD-007J 4 2 WB1-DWD-CXO7K 4* ............ ................................... ................ ................. ......................... .'o....................... 2 WBI DWD-OC)7L 3 2 WBI -DWD-007M , 2 WBi .DWD-0070 Not Used 2 _ WB1-DWOD00"P 5............. ..... w oo Q .......4 2 2 WB!-DWD.007R 6 2 I WB1-DWD-007S 6 2 WB1-DWD-CX.8A 10 2 ! WBI-DWD-(C)SB 4 2 1 WB13-DWD.008C 5 2 WB1-DWD-008D 4 2 WB1-DWD-008E 5 2....................7 W i ---D- W D -OO8 F ............... 2 {............ ...l:... ................... a ............ 2 WBl-DWD-O0.G 4 2 WB1-DWD-0081 _Not Used....................... p ................... w- W ,B1 .s.(*I ID 8 .......T ............ .............. .-2 WB1.DWD-019A 6 2 WBI-DWD-0g9B 4........... ..-.......... .... ...2 ..... WBiDWD 09G 2 WeI-MVD-009E 4.2 WB1.:DWD.4X)9H -2.2 WB1-DWD-0091 Not Used 2 WBI-DWD-009J ' , 4 L Rqo)rt. No. 'VAW(.)I..RP'.(.). Revisin 0 Atac-em4o J P'av,- 4 (A* 6 Watts Bar Unit I Walk Down Packages................................................. .................................... ................................................. BINDER LOCATION PACKAGE NUMBER 0TO.AL PAGES 2 WB1 -DWD-00OK 6 2 WB.1-DWD-009L 5 2 WB1r-DWD-0010A 6 2 WB1ODWD-0010B 9 2 .... ............ .B.-DW..0010C 4 2WB1-DWD-0010D 7................. ... .........-------............ 2 WBI-DWD-0010E 8____________ WB1DWD-'JO1 1A 8.2 WB1 -DWD-001 I B 10 2WBl-DWD.00110 6 WSW 1-DWD-001 ID Not Uksd 2_______ Bl3-MDW-00*1IE 6 ___2 WBII-DWD-0012A 7 2 WBIDWD-00 12B 2 WBM-DWD-0012C 6 2 1 W8i,.DWD-0012 4 .__________ WBI..WD.0018E .............. __ .......2 WB1-DWD-0013F A....... V.11.-MVI-00130 9.2 1 W B I -UAIDW I 00 1 D -,---------...... 2 WB!I-DWD**)'143E 5 ,2 1 WB 3 DWID-0O0 3 S 3[ WBI1.DWD-0014A 3 3 WBI-DWD-0014B _3 WB1-DWD-0014C ..................... ....3 WB1-WID-0014D S-.3 WB1-DWV.0014E0 1 6 3 WB1-DWD-0014F j 12 3 WBI-DWD-0014G £ 4 3 WB1-DWD-0014H 10 3 W61-DWO-OC0141 N-t Used 3 WB1 DWD-0014J 4 3 WBI-DWD-0014K 5 3 WB1 DWD-O014L 3 3 WB1-DWrDQ0014M 3 3 WB1.DWD-0014N 3 , 3 WBI DWID001 40 Not Used 3 WBI-DWD-0014P 6 3 WBI-DWD-0014Q 4 3 WB1-DWD-0014R 3 3 WBI-DW)D-0015A 4 3 WBI.DWD-0015B 3 3 WBI -DWD-0'l5C 5 3 WBIDWD.S0015D 4 , _____ 4 3 WBi-DwD..0015F 4 ..........Report "VAW() I..RPT[(X) Revision 0 Page S d' 6 Watts Bar Unit I Walk Down Packages IBINDER LOOCA'ION PACKAGE NUMBER 7-0TOAL PAGES 3 WBI-DWD-0016A .3 WB1-ODVWD-(')16B I6 W.. ...... .D w -o s ................... ..... ........................ ........................ ... .w DWO-0016........... 10 3.......1........................ ... ............... .........3 WBI -UDWD0..OOGD 3............ 3 ........WB -DWVUJ.O 16E:ý 3 3 WR14)DV4)-016F 3 3 WB-DWD.C0016G 3 3 WBI..*DWD.:0017A i4 3 V'/BI-D.WD*0017B4 .... .....--6:Y-; .......-3WBIDWD-0017A 3--- ------- W BI.DW Dp-o01 E. I .... .4. ........ -.- .- ........-- .........- 3 WBI-DWD-0018A 13 3 WB1..DWD.00198 ,,"" WBI -DWD-001 gD ]8.... 3, ...... iii IIW BI"DW n:00*!9E i!4.3... .5M#DW D-10...t9 ...15..:::: ............... 3 WB1-DWD-.0019G -3 3__ WB1 -DWD-00191 Not Used_________ WB 1.-DWD-0019EJ _________3. .. ...... ...... ........................... A B -W j- ' J I-- -..... ........................ ______ WB1-DWD-(}019K 3 WI-F.DWD..0019K 4 4 WBI -DWD-0020A 9t12 4 WBI-DWD-0021A 3 4 WBIDWD-.021B 11 S............ C .........4 WB1-DWD-0021D 2........W LA I -D -0 2 j 4 AWMB1-DWD,0021E 29 S,..." ......4WB1.-DWD-002.IF 5 4 W[31.DW[).0021"G e..4 .WBI-DWD.00F22A 3 4 WB1-DWWD-0023A 9 4 WBI-DWD-0023B 5 4 WBI-DWD-D0023C 3 S-I-WD003.... ....... 3 4 ____ XBI.DWD..0023D 3 S.......................................

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D. .0 0 3 ------ 3 3:vzw Srý+Zelk:I no Repor3 N'o. 'J'VAWIX) I -Rl)-I'-0 Reision 0 pae6 ofý 6)Watts Bar Unit 1 Walk Down Packages BININDER LOCATION PACKAGE NUMBER "TOTAL PAGES 4_ _ WBI-DWD-0024A 5 4 WBI-DWD-0024B _WB1..DWD.-0024C 5 4 WBI1DWD.0024D , 6 4 WB1-DWD-0024E 3 4 W81 -DWD-0024F 3* 4 WBI, -DWD-10024'

4t 4 .........

w a r :DW.-.......... ....... .......4 WB1i-4%)WD--0O24Fi I=.............=======" ......____4 W.'1-DWD-00241

Not Used 4________

WBI -DWO-0024.i SB-DW -O -............ S 4 W BI-DVVD-(G)2 K " EnemCCO SeM4Ce IM'.Report No. TVAWOO1-RPT-001 Revision 0 Attachment J ATTACHMENT J: WALKDOWN PACKAGES BINDER 1 AREAS 1 -6 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N.:P. UNIT I WALKDOWN PACKAGE NO. WB1-DWD-001A SHEE I OF 7 DATE: ý 10/10/2003 ARA:RACEWVAY IRWP NO.: 8010 ELEV: 702*INSPECTORS: FRN YAO;* MIKE CALDWELL.. REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 48N401 R10 Tools: SPECIFICATION N3M-936, REV 4 Drawings ...... ........................... .......... ....* Flashlights. Ladders C a m e ra s ._.... .... .. ... ...... .. ... .....7 Binoculars:-Tape measure : ".Sample bags .....Pens/markers ._* _._.. ...... ..INSPECTION LIST: ITEM NO. DESCRIPTION 1 :Verify Installation of insulation as documented in existing plant drawings and/or documentation. 2 Inspect and mark up layout drawings to show any undocumented insulation............. 3 :Inspect and determine longitudinal seam location and band spacing if necessary. 4 Document any irregularities of the general condition of the piping insulation. 5 Inspect and mark up*layout drawings to show any undocumented fibrous insulation (e.g., within rupture restraints). 6 Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal). 7 Inspect the area for any weak components that could be dislodged by jet and that could be transported to sump.8 inspect any equipment Insulation in the area.9 Inspect and document the general cleanliness of the area.10 Inspect and verify any fibrous materials inside electrical components and cabinets ......COMMENTS-SEALANT APPLIED ALL AROUND CONTAINMENT VESSEL INSULATION STAINLESS LINER.. .................. ................. ..........I __j Prepared By: Checked By: FRANK CYAO Q z.. --MIKE -CALDWELLi,ýýr'A' 1<ý' 4 Date:. 10/10/03 Date: 10/10/03.TVAW001-PROC-01, Rev. 0 A Attachment A

• . ..............c c WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#h WBI-DWD-001A SHEET 2 OF 7 PROBLEM "LENGTH INSUL.ATIN INSULATION INSULATION LOETHICKNESS VOLUMEL JACKET BUCKLE STRAP C.ET NUMBER ...... (Fr) TYPE (INE VFTU) MATERIAL TYPE TYPE COMMENTS______ ___ _____ (IN) (FT3) _ _ _N/ RACEWAY 702 1 SEALANT AROUND STA'NLESS SEEC SEALANT SET SHEET METAL AND CONTAINMENTWALL-NA. CALC SILICCN!RT1 CALC ALC 0 327 NA NA NA STEEL CONTAINMENT
• .i.. ...... S E E ................W.A RACEY702NE SA CEE FOAMGLASS SEE CALC 260.73 NA Na NA BEHI..D..A .ELNA CALO WB1-DWD-001A.SHEET.3 OF 7'CALCULATION.

SEALANT CROSS SECTION = 0.25"XO.25" RIGHT.ANGLE SHAPE THIS APPLIED ALL AROUND CONTAINMENT.VESSEL R IN FT P1 ,PERIMETER(FT)I IN CU IN(O.25X.25X.05) TOTALCUIN ITOTAL CU FTJ 3 RINGS TOTAL 57.5 3.1416 361.28 .0.03125: 1 135 I1 0.078 1 0.235:`3' VERTICAL LENGTH ATAPPROX. 4.5' SPACING, NO.OF VERTICALS = 36.2814.5 =.81 .......]LENGTHtEINO. OF VERTI TOrAL LENGTH ICU IN(O.25XO.25X0.5),IN TOTAL CU IN .TOTAL CU FT.3. 81 :243 .0.03125 91 1 0.053 SILICONIRTV KEYWAY TOP TOBOTTOM FLEX JOINT, TWO BEADS BOTH SIDES OF BEAD SIDES TOTALLENGTH CU IN(0.25X0.25X0.b)iIN TOTAL CU IN TOTAL CUFT 45 2 2 180. .0.03125 68 .... r. -0039. 'TOTAL SILICON/RTV =0235+0.053+0.012= , .:'" , ,-'. .0.327 CU FT" VESSEL INSULATION (FOAMGLASS 2"' THICK), APPROX 4 IN HEIGHT THICK(IN) PERIMETER(FI

HEIGHT (FT):I VOLUME (CU IN) .VOLUME (CU FT)'2 361.28 4.33 450535.6 ': ..,,260.73 WBI-DNVD-OO1A SIE4F SIIEET40F.7 47W2500-2 QUAD :Ii-EL 702.78 TO 710.0.

WB13-D WD7O01 A IET5OF7 SHEE"I'S OF 7.47W2500-1 QUAD Ii EL 702.78 TO .710.0 47W2500-2 QUAD II EL 702.78 TO 710.0:,.. , , ..............................ooý .................................................. ...................... CONTAINMENT DEBRIS*WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WB1-DWDM-o0B SHEET.1I OF 7 ............. ......DATE:: 10/10/2003 AREA: I-Raceway RWP NO.:, 8010 ELEV: 702 INSPECTORS: FRANK C YAO,.MIKE CALDWELL REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings:. .48N401 RIO-Tools: D raw ings ... .... ... .. ..... .Flashlights .... ... .. .....:Ladders Cameras___-Binoculars ....... .Tape measure....... ..... .:S a m p le b ag s .. ... ... ....... .... ... ........... Pens/markers_ INSPECTION LIST: ITEM NO. ... .... ........ .. ..... ..... ... DESCRIPTION 1 .Verify installation of Insulation as documented in existing plant drawings and/or documentation. 2 Inspect and mark up layout drawings to show any undocumented Insulation. 3 Inspect and determine longitudinal seam location and band spacing if necessary. 4 .Document any Irregularities of the general condition of the piping insulation. 5 "Inspect and mark up layout drawings to show any undocumented fibrous insulation (e.g., within rupture* _ _ _ _ _ restraints)....... ..6 Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal).:

• 7 Inspect the area for any weak components that could be dislodged by jet and that could be transported to sump.8 Inspect any equipment insulation in the area.* 9 Inspect and document the general cleanliness of the area.10 1: Inspect and verify any fibrous materials inside electrical components and cabinets ......... COMMENTS SEALANT APPLIED ALL AROUND COVERS.......... ............:.i ................. .. .Prepared By: Checked By:.FRANK C YAO Date: 10/10/03 MIKE CADEL:-12'ý

Date: 10/10/03 TVAWOO1-PROC-01, Rev. 0.Attachment A.

C.-C C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAG. .: WBI-.WD..1B. SHEET 2 OF. 7 ... .. ......W A KD W N PA KA E# W I- W D 1B S EE 2 .O .: ... ..... ....... .. ..... ... ........... ... ...... .. ". .. ." ... ... ..... .... " .. ..i .. .PROBLEM L .. ..... LENGTH INSULATION INSULATION INSULATION JACKET BUCKLE $TC MP NUMTE O THICKNESS VOLUME MATERIAL TYPE TYPECOMMENTS NUMBERI L 0. I (FT) TYPE:... ._. .. ........ (IN) (. E3) ..N .PP .. ...RO NIA RLACEWAY 702 I SEALANTAROUNDO OVERs NA NA NA NA NA N N A. NA SECANTAPPLIEO ALL AROUND COVER Z .. .* ... ...* ................ WB1-DWD-001B.SHEET3 *OF 7:CALCULATION SEALANT CROSS SECTION = 025"X0.25" RIGHT ANGLE SHAPE THIS APPLPIED ALL AROUND SQUARE COVERPLATES NUMBER.OF COVERS= 15 I(ININCHEE INF T PERIMTER = NO. OF PLATESX4XLENGTH/SIDE= [ 1080 90 IN CU LENGTHOFT) IN(0.25X0.25X05) TOTAL CU (IN) IN CUBIC FT 90.00 0.03125 34 0.0195 FOR INFORMATION ONLY WBI-L)WI)-OOIB SIE4:Sl IEET 4 OF 7 47W2500-2 QUAD II EL .702.78 TO 710.0 WI) I -D)WD-OO1BSi l'SO.SHEET5 OF.7.41 VV v z's'Atlih~;2 eAV 500A3)IJI /2.78T710A i

CONTAINMENTDEBRIS WALKDOWN PACKAGE WATTS BAR'N. P. UNIT 1 WALKDOWN PACKAGE NO. WBI-DWD-001C SHEET 1 OF 13 DATE: 10/23/2003 AREA: Raceway RW NO.: 8010 ELEV: 1 702 INSPECTORS: FRANK C YAO,:MIKE CALDWELL REF. MATERIALS:. Piping & Equipment Drawings: Cable Tray Drawings: 47W2500-1 Tools: .47W2500-2

Drawings 47W2500-3*Flashlights" 47W2500-4 Ladders.:Cameras *.Binoculars

___.. ..__._____.___.__.. ._. ._." "_. .____.. .. ..Tape measure:Sample bags Pens/markers ... .... .....:INSPECTION LIST: ITEM NO.. ;DESCRIPTION: I Verify Installation of insulation as documented in existing plant drawings and/or documentation. 2 Inspect and markup layout drawings to show any undocumented insulation. 3 Inspect and determine longitudinal seam location and band spacing if necessary.. 4 Document any Irregularities of the general condition of the piping insulation. Inspect and mark up layout drawings to show any undocumented.fibrous insulation (e.g., within rupture: restraints). 6 Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal). 7 Inspect the area for any weak components that could be dislodged by jet and that could be transported to sump.8 :Inspect any equipment insulation in the area.. .......9 .Inspect and document the general cleanliness of the area..10. Inspect and verify any fibrous materials inside electrical components and cabinets:_COMMENTS. _MIRROR REFLECTIVE INSULATIONS ,; * .............. ... ............. ..... ........ ........... ._________________ I Prepared :By: Checked By:.FRANK C YAo.Date: 10123/03 MI .KE CALDWELLL,-:&9'

Date: 10/23/03 TVAWoo1-PROC-OI, Rev. 0 Attachment A

C L WBI-;DWI)-rnIC SIIEET 3 OF 13,--

• 47W2500-1 QUAD I EL 702.78 TO 710.0 47W25oo02..QUAD IH!.EL 702.78 "0.710.0 WI"I)WI)-OO01C SITEET 5 OF 13 47W25010-2 S7QUAD. 11 0 O71.0. ,

C -.......... ................. .......1"

1~~....... CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO.:WBI-DWD.001D SHEET I OF 27 DATE: 1012312003. AREA: I Raceway RWP NO.: 8010 ELEV: 1702:INSPECTORS: FRANK C YAO, MIKE CALDWELL REF. MATERIALS: 'Piping & Equipment Drawings: Cable Tray Drawings:.. ......... .. 47W 2500-1:Tools: 47W2500-2 Drawings 47W2500-3 Flashlights 47W2500-4 Ladders Cameras ____.Binoculars "_'_ __.......Tape measure "_'_...... Sample bags Pens/markers.. INSPECTION LIST: ITEM NO. 'DESCRIPTION ... .. .. ... .............. I Verify installation of Insulation as documented in existing plant drawings andlor documentation, 2 Inspect and mark up layout drawings to show any undocumented insulation. 3 Inspect and determine lon itudinal seam location and band spacing. if necessary, 4 Document any irregularities of thegeneral condition of the piping insulation., Inspect and mark up layout drawings to show any undocumented fibrous insulation (e.g., within rupture restraints). 6 Inspect and mark up cable tray drawings to show location of fire barriers (Vertical and horizontal). 7 Inspect the area for any weak components that could be dislodged by jet and that could be transported to sump.8 ..Inspect any equipment Insulation in the area......... 9 Inspect and document the general cleanliness of the area.: 10 Inspect and verify any fibrous materials inside electrical componentsand cabinets S........... C O M M ENTS ........... .. .:LABELS, SIGNS. & PENETRATION NUMBERS, ETC......., ......... ... .... .. ............... ...Prepared By: Checked By: FRANK CYAO 4-,-ic/" MIKE CALDWELL Date: 10/23/03 Date: 10/23/03: TVAW001.PROC-01',Rev. 0 Attachr-hent A C C C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WB1-DWO-001D SHEET. 2 OF 27' .... ...PROBLEM LENGTH INSULATION INSU"TION INSULATION JACKET BUCKLE STRAP COMMENTS NUMBERM: LOCATION ELEV. AREA. DESCRIPTION: 00 (IN1) THICKNESS VOLUME MAEUL TYE TP TNUMBNER (VO)UMEP MATERIAL TYPE TYPE (.T) ..P. (IN) (FT3) .. ..NIA RACEWAY 702 i LABELS. SIGNS, & NA NA NA NA 000 NA NA NA SEE REPORT FOR COCM.MENTS PENETRATION NO,____ ..._.___. ... ....._____ __._ ..-__ ... ..._, ,,_ _ *_ -_.... ... ....... ...... .................... ............. ..... WBIII -D)WJ)-O1D SHEET 3 OF 27 47W2500-1 QUAI) I EL 702.78 TO 710.0

Will -I)WI)-OOl DE SHEET 5 OF.27 47W2500-2 QUAD 11 EL 702.78 ro 710.0 WBI-DWD-O01 D SHEET 6 OF.27~ ~:\ le ~ N ..-o 15Z P%..-\.. -'54.4-p..-4 -42.i-47W2500-3 QUADITI E L 702.78 TO 710.0 NVI3 1mD WD-OOI1D SHEET 7 OF27 47W250"-QUADIN:EL702.78 TO.710.0: SIINWVT 8 OF 27* 47w2500-4 QUAD IV EL,702.78 TO 710.0.47W2500-3.QUADIMI EL 702.78 TO 710.0

<I.- ...... ....... ...SRI- (1.~.4 I, N~1'4- -4. .4---4-K' ..')'- ~ ,44~

7 1 .4

e-".9'9 (.9'. '.9-~,1.*,...'-'.--,,', 1 4n4 S ... ... .. C .....

I--

Z4 I'Liz,

.CONTAINMENT DEBRISýWALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WBI-DWD-001E SHEET I OF'6 DATE: 10123/2003 AREA- Raceway RWP NO.: 18010 ELEV: 702 INSPECTORS: I FRANK C YAO, MIKE CALDWELL REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 47WN2500-1 Tools: 47W2500-2.Drawings 47W 2500-3 ............... Flashlights 47W2500-4: Ladders.. ... ... .. .Cameras Binoculars Tape rmeasure.. Sample bags_Pens/markers_ INSPECTION LIST: ITEM.NO. DESCRIPTION .I Verify installation of insulation as documented in existing plant drawings and/or documentation. 2 Inspect and mark up layout drawings to show any undocumented insulation. 3 Inspect and determine longitudinal seam location and band spacing if necessary. a 4 Document any irregularities of the general condition of the piping insulation. Inspect and mark up layout drawings to show any undocumented fibrous insulation (e.g., within rupture restraints). 6 Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal).. 7 Inspect the area for any weak components that could be dislodged by jet and that could be transported to sump.8 Inspect any equipment insulation in the area.: 9 Inspect and document the general cleanliness of the area...10. [: Inspect and verify any fibrous materials inside electrical components and cabinets COMMENTS________ TIE WRAPS BLUEJAQUA IN COLOR*__ _ TEFZEL TYPICAL OF CONDUIT TAGGING AND GROUND WIRE MOUNTING THROUGHOUT CONTAINMENT. Prepared By: Checked By:: FRANKC YAO:-M IKE CALDwELL.;ý/7.4,.2 ýDate: :10/23/03 Date: 10/23/03 TVAWo01-PROC-O1o -Rev. 0 Attachment A C C c...... WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS WALKDOWN PACKAGE#; SHEET 2. OF 6....PROBLEM LELV. AREA DESCRiPT -IOENGTH INSULATION JACKET SUCKLE STRAP .......LOCAT(IO) TICNESUSAT O LUM INU :TO COMMENTS NUMBER (LFT) ARATSCIYOPE I)HCNSSVLM MATERIAL TYPE: TYPE NUM L T N(FT) TYPE (ON) (FT3) __________ __ __ ...IWA RACEWAY 702 1 TIE WRAPS NA NA NA NA NA NA NA NA SEE REPORT COMMENTS 'NiII -I)WD-OO1 E SET3O SHEET 3 OF 6 47W2500-2 QUAD 11 EL 702.78 TO 710.0 NVBI-DW.D-OO1E SHEET 4 OF 6 III.\I .1p f ', ' Y ýt~IVCV A IF/ve 47W2500-3 QUADIII E L 702.78 TO 710.0 F0-C CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N..P. UNIT I WALKDOWN:PACKAGE NIO.WBI-DWD-OOIF SHEET I OF.7 ..W ... 31C..__ _ __ _ _ _ ..... ...................... .......... ............................................................... I.........................ade ........................... .................. __ .._ ................... _..........._.........._ ..~............... .RaEF. s ...... en ....pn Dains............................................... ~............... .4 IJ~sE~c ~d(~~T~ne ~di sem ccaion~nc bad ~ain~it ~':~~v................... ..................._______________o__muaton s o-mele i exctn plant drawings rvri ln srleot arid ocEmpmnint Sum~aio in ato and bad pcigifncea.ý 2 V~p~c' perleraccon Iojimnofathe pipimvs1 ifmuinlirea __________I In.,pect, and, tlwrif n Up ou rntrashcwrd an undo3Icumeonted "Wou insulatio (eg. wihn .p................. ...... .E .7 .... ................ cl lnpecij~e3A. 2'..AMTE .ar m- m__tryrawn-i;lasowoa__ncf imbarirs veflcalndhoizat ......3 1 .. .......... ........ ............... _._....._............

7 jrjspe ý,lp. -r~ aj~'tg iv wen,_____________culb________y_______tal c ul be1-psofedto

-__ _ _ ------------- D Prepared By: Checked By.: FRANK CYO....C.-- MliE (CALDwNELL2K~-/ Date: 10/23103 Date:. 10/23.;03'V/W0OI.-PROC~1:01 Rev. -0 Attachment A (c r_c W81-DWD-001 F SHEET:3 OF 7 WNE I -DWD-001 F.CALCULATION SEALANT CROSSSECTION .0.25'!X0.25' RIG'H-T ANGLESHAPE TFI S APPLPIED ALL AROUND PIPE PICTURE 027A T8'" DIA.: I,,'IU.E 030A 12" DA I V.,,fRE 031A '12" D:A.f , P_ ' NT'E CU 2X0.25X0.... TOTAL CU HN TOTAL C- FT 4,3t75 :3.1416 '27.49 0.03125 1 10 0.006 6.31 3.'41 40.06 0.,0312 15 0.009_._5 -3.1416 40.06 0_.,0,.1," D L 50. ... .TOT_ _....... :0.023 FOAM MATERIAL-ASSUME SOLID WITH 18" LONG'-DIA DIA A LENGTH (IN) VOL (,C, W); Vol.. (CUI F-.T.B" DIA.. 10:02 1, .,,; 8119.,181 0.821 1zi~A 1 1^08 .0353r57 1.178 12" DIA* 12 1 1{1 j58 2035.,., 1.178 TOTAL3:: " ._3 1 7c WIll -4 DIOI 00Fsiur4O7 SHE ET 4 OF -* 0I TOW, 71O- 0.......................

'CONTAINMENT DEBRIS.:WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 wi iqflwm PACKAGE K10 wfll .Al°f .4ztJrT : n 2 , DATE: I1012812003 .1AREA:. RACEWAY RWP NO.: 8010.:1 ELEV: 1702' .." ...INSPECTORS: ' C. G. WALLS* MIKE SOLLIE .-. :.REF..MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 590955-075C. SH. 1, REV. C *Tools: 590955-075C, SH. 2, REV. C _ _ ........A Drawings 590955-075C, SH. 3, REV. C -Flashlights 590955-075C, SH. 4, REV. B .Ladders ...... 590955-075C. SH. 5, REV.B -.... ..B..:Cameras .. 47W406-320, REV. F Binoculars 1-47W 406-320A, REV. 0 .. ..................... Tape measure .1-47W406-320B, REV.A0 Sample bags ...Pens/markers .-: INSPECTION LIST: ITEM NO. DESCRIPTION I. Verify Installation of Insulation as documented in existing plant drawings and/or documentation. 2 Inspect and mark up layout drawings to show any undocumented insulation. 3 Inspect and determine longitudinal seam location and band spacing if necessary. .4 Document any irregularities of the general condition of the piping insulation.

5 Inspect and mark~up layout drawings to show any undocumented fibrous Insulation (e.g.,,within rupture restraints).

6 Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal).

7 .Inspect the area for any weak components that could be dislodged by jet and that could be transported to sump.8 Inspect any equipment Insulation in the area.'9 Ins pect and document the general cleanliness of the area."10 .Inspect and verify any fibrous materials Inside electrical components and cabinets .COMMENTS 23LETDOW.N-LINES FROM REGENERATIVE HEAT EXCHANGER TO PEN. X15_CONTINUED TO WALKDOWN PACKAGE NO's WB1.DWD-024C

& -019E.._ TVA CONTRACT NO. 93NNS-75645C .......... ." .. .........' ...... .................. .. .... .. ... ..........Prepared By: Checked By:.C. G. WALLS "" MIKE SOLLIE , , ..": Date: /DDate: TVAWOO1-PROC-01. Rev. 0*Attachment A WATTS BAR NUCLEARPLANT UNIT I WALK DOWN RESULTS .......WALKDOWN PACKAGE.: WBI-DWD-001G SHEET 2 OF (,p NUMBE LOC TION ELEV. AREADESCIPTIO OD(N) L NGTH NSUL TION INSULATION INSULATION,.. ..PROBLEM (IN) L NGTH " " .INSULATION INSULVO N JACKET SUCKLE STRAP NUBR LOCATION ELEV. AREA DESCRIPTION. 0 IN P THICKNESS VOLUME MAEIL.'E lP COMMENTS NUM ER. ..T TYPE. MATERIAL TYPE:' " TPE C M E T.(IN) FT3) ...... .. ...0600200 RACEWAY 702' 1 LETDOWM LINE: 3,50 64.75 RMI 1,75 .225 s.S. STO NfA 7 OD INSULA7ION 09 08C029D-0a. RACEWAY 702 1 LE7OCIN UNE 2.38' 130.34 RMI i.81 2167 5.S. STD NIA S"CDINSULATION 09.... ... .... ...... .. .. ... .0600200.08" RACEWAY" 702' 1 LETDOWN LINE 2.36 5.34 RMI 831 331 S.S. STE) lNLA 1 00 INSULATIoCH 0600200 RACEWAY 702' 1 LETDOWN LINE 2.38 2.70 RMI 1.31 0-2 S.9, STD. NMj 4 00 INSULATION 09 PIPING)06,00200 RACEWAY 702' 1 LETOOVMLINE 1 06 0.80 RVI 1.9r 0.10 S$S. ,$0T N .5,INS (*.0. ....... WAL1KDOWN PACKAGE No. WBI-DWD-OOIG SHEET 'OF APPROXIMATE INSULATION LENGTH: START FROM INSTRUIMENT Rm To ACCUMULATOR RM.#4: AT.7 " ODbINSULATION (3.5" OD PIPING): LENGTH + :2.75 +:3[Vr(4,'5)(90°11800)] + 5.88 + (112.25 -6).+-(4.5)(900/18O0 ) + 16.5 + (4-.5)(906i8l0°) + (021.28 -6)+ (61.47 -7).+ 6 + '(,(4.5)(90/1800) + 29.97 + (89.9 -2.5) + (172.25 5)+ ir(4'.5)(900/1800) + 5;88 + 'r.(4.5)(900/1800) + (85.88 -9)'-..10.38 + 11,38+ .9.38-777(1/12)= 64.75FT AT 6" :OD INSULATIONW(2.38" OD PIPING): LENGTH =20.25 .+.5.25 + 3.5 + 22.5 + 15.38+:26.5 +7.5 4- 10.5 4-- 36.05 :22.63 + 3.5 4+:(10.25: + :6 + 4.57)SEcT. G-G & H'H + .10.75 ,+ 16.22 + :8.89 + 14.81 -: 3:;12 + 8.5+ '(109- 5i25).+(11i.75 -7.375) + (114.38 -7.38) + (116.38-; 7.38) + (110.25 -5.19)+ :25.5 + 27.81 4- 27.47 + 5.75 +÷.2.75 + 4..62 + (113.25 -5.75) -29.28 +- 28.03+ 28.88 + 13"88 +.26.25 + 7.75 4 6.03 4 9 4 12+ 10.,59 .+ 36.03 + 7.-25 + :19.88+ 36.03: + 7..:12 + :7.75 4.46.41 ,-.5 + (84.5 -4.5 -7).+ 5 + (93:- 5) +- 3.88 + 5 + :16..62+ 5.62 + 6 + :4..19 + 13.19 -.-3.38 + 43.5 + 5+ 68:= .1564W(I/12)-130.34FT AT I1" OD INSULATION .(VALVES:8149B, 8149A, 662, :27.6, .I-FCV-62-74.-A) (2.38 OD PIPING): LENGTH:= I ,+3 +13 +-12 + 13:- 13 = 64(1/12) = 5.34F.T AT OD INSULATION:(2.38'` D PIPING): LENGTH :=33.28 + 3.:5 :+ 5 .I0.5 .=.52.28(1/12).-3 -.56FT AT 5"'OD INSULATION (238'" OD P:PIPING): LENGTH1.=i7.25 + 15.12 32.37(1/12) =.:.;7OFT AT 5" OD, INSULATION .(1.06" OD PIPING):.LENGTH = 9.5(1I2) = 0.80FT WALKDOWN PACKAGE No. WBI-DWD-O0IG SHEET-.1_ OF AT DRAIN VALVE I-DRV-62A-721: (7" OD INSULATIONI, L.05" OD PIPING)LENGTH 7.25 +, 7.5 = 14.75(1/12):= I.23FT AT DRAIN VALVE I-TV-62A-708: (6" OD INSULATIONi, 1.05" OD: PIPING)LENGTH = 6(/12) = 0.50FT c C A: M. ~-\w -UpJ~I4A~.TERA ~MS IM Of I, A 4F or i i -~A S CONSTRUCTED ~$~/- TV k/V -R;f Se'p&' .C C P c.I.(-..... ~ ~ ~ ~ T ... ... ..TI.~~ i ., lr 7 177 T7 .. .7 '=T...... ....................... ..4.41 o...VA ~y NRBtI 6000a-9 AnALS m7, R~~ CC rIIRo 03r.VRWXIE PAI*f# j~jj-74;J~. F 11CNFICURATI CN CONITROL DRAWING).~~/ ..P .. .... CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WBI-DWD-001J SHEET I. OF 3-DATE: 11118/2003 AREA: RACEWAY: RWP NO.: 8010 IELEV: 1 702" INSPECTORS: .G. WALLS, FRNAK C. YAO:REF. MATERIALS:: Piping & Equipment Drawings:: Cable Tray Drawings: 5 590955-077C. SH. 1. REV, B __ _Tools:- 590955-077C. SH. 5. REV. C __............. ..... ...... ... .... .. ..SDrawings:F lash~lig hts ...... .., , ........ ...Ladders*:Cameras "!:B inoculars ................:Tape measure.Sample bags P en s/m a rke rs ....... .. ... ......... .. .... ...... ... ......:INSPECTION LIST: ITEM NO. :.DESCRIPTION. I -Verify installation of Insulation as documented in existing plant drawings and/or documentation. 2 Inspect and mark up layout drawings to show any undocumented insulation.

3 Inspect and determine longitudinal seam location and band spacing if necessary..

4 Document any irregularities of the general condition of the piping insulation. 5 Inspect and mark up layout drawings to show any undocumented fibrous insulation (e.g., within rupture restraints). 6 Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal). 7 Inspect the area forany weak components that could be dislodged by jet and that could be transported to sump.8 Inspect any equipment insulation in the area.............. 9 Inspect and document the general cleanliness of the area.: 10 Inspect and verify any fibrous materials inside electrical components and cabinets COMMENTS S..... .:1" EXCESS LETDOWN LINE (FROM EXCESS LETDOWN HEAT EXCHANGER TO 4".SEAL WATER RETURN LINE)_ ,_.__:CONTINUED ON WALKDOWN PACKAGE NO. WB1-DWD-024K.: -"ITVACONTRACT.NO.,93NNS-75645C... Prepared By: Checked By: C. G. iWALLS FRANK' C*. YAO Date: 11/18/03::Date: 11/18103.TVAW00-PROC-01, Rev. 0.Attachment A C C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKOOWN PACKAGE#: WB1-DWD-OO1J SHEET 2 OF 3 ....... ... .......... .. ................ ........... .... ... " .. .I i ....INSULAT ION INSULATION PROBLEM ... ... LENGTH INSULATION NJACKET BUCKLE STRAP C ......NUMBER OCAON ELEV. AREA DESCRIPTION

00. (IN) THICKNESS VOLUME MATERIAL TYPE COMENTS N/A RACEWAY 702' 1 EXCESS LETDOWN 1.32 7.45. Rpi 2.34 .1.39 S.S. ISTD " A 6" oD INSULAMION

........................ ......... ... ...i .............* .-.. ... ... ........' ....MB .:...-.. ER (I)(T1 .... *:. :: ...-:..: .. .*-"-... ... ......... ..... I ... ........ "".................. ........ ....... ...... .. ... .. .. ... ........ ... ..... ... ........NA RACEWAY 72 EXESLTWN 1.32 344: RVI 1,84 '0A4 S&S. STD NWA 5 00 INSULATION ...... ..... .. ... ... ..... ......... .-.-...- .......... ...... ... ......... .... ... .. .. ........ ...... ... .. ...... ...* .. ....N!A IRACEWAY 702' 1 EXCESS LETDOWN" 1,32 1.1W: RMI 364 043 SS. STO: W/A V ODINSUILATION ......... ..... .... .... .. .. ..'.- ..' .-- I ....._ _ _ ............ ..........., ." .... .........._.. .........._. ......' '.'. ..........1.. .....' ' .' ' .'_ _ ..... .................... .....................". ............ ........ ....... .... ..'.. .. .'. ."..""'. ". '" ."..-......"...... ....'..'. " "............."'.'.. .. WALKDOWN PACKAGE. No. WBI-DWD -00IJ SHEET 1... OF I..APPROXIMATE INSULATION LENGTH:: START:FROM FLOOR :SLEEVE".AT 6" 0D INSULATION:

LENGTH- :5.88 +S13.44 +'1.95 +. 3.5 + 9.08 + 2.5 + 2.37 + 2.5 + 3.25 + 7.25-114+ 9.62 .-:17.12 = 89.460(/12)

= 7.46FT.AT 5" OD INSULATION:

LENGTH.=

7...25 + 8.06 :+ -3.25-: 14.62 + 8 =41.:18(1/12) .=53.'44FT AT 9"I:OD INSULATION:.

LENGTH.=

12(0/12) =.00FT CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE NO. WBI-DWD-001K SHEET 1 OF 10 DATE: 11/18/2003 AREA: RACEWAY RWP NO.: 8010 1 ELEV: 702'INSPECTORS: C. G. WALLS, FRANK C. YAO REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 590955-083C, SH. 1, REV. B *Tools: 590955-083C, SH. 2, REV. B *Drawin s 590955-083C, SH. 3, REV. A *Flashlights 590955-083C, SH. 4, REV. C *Ladders 590955-083C, SH. 5, REV. C *Cameras 1-47W406-335A, REV. 0 Binoculars 1-47W406-336A, REV. 0 Tape measure 1-47W406-338A, REV. 0 Sample bags Pens/markers INSPECTION LIST: ITEM NO. DESCRIPTION I Verify installation of Insulation as documented in existing plant drawings and/or documentation. 2 Inspect and mark up layout drawings to show any undocumented insulation. 3 Inspect and determine longitudinal seam location and band spacing If necessary. 4 Document any irregularities of the general condition of the piping Insulation. 5 Inspect and mark up layout drawings to show any undocumented fibrous Insulation (e.g., within rupture restraints). 6 Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal). 7 Inspect the area for any weak components that could be dislodged by jet and that could be transported to sump.8 Inspect any equipment Insulation in the area.9 Inspect and document the general cleanliness of the area.10 Inspect and verify any fibrous materials inside electrical components and cabinets COMMENTS 3"/4" SEALWATER RETURN LINE CONTINUED ON WALKDOWN PACKAGE NO. WB1-DWD-019K. TVA CONTRACT NO. 93NNS-75645C Prepared By: Checked By: C. G. WALLS FRANK C. YAO Date: 11/18/03 Date: 11/18/03 TVAWOOI-PROC-01, Rev. 0 Attachment A C WATTS BAR NUCLEAR PIX,, UNIT I WALK DOWN RESULTS I r NALKDOWN PACKAGE#: WB1-DWD-001K SHEET..k OF LO-PROBLEM LENGTH INSULATION INSULATION INSULATION JACKET BUCKLE STRAP NUMBER L ELEV. AREA DESCRIPTION 0 (IN) TYPE THICKNESS VOLUME MATERIAL TYPE TYPE COMMENTS NCAE N(FT) TYPE (IN) (FT3)0600200 RACEWAY 702! 1 SEAL WATER RETURN LINE 4.50 160.00 RMI 1.75 38.18 S.S. STh N/A 8" OD INSULATION 06, -07, -13 0600200 RACEWAY 702' 1 SEAL WATER RETURN LINE 4.50 2.05 MIN-K 0.75 0.18 N/A N/A N/A 6" OD MIN-K INSULATION O, -07, -13 0600200 RACEWAY 702` 1 SEAL WATER RETURN UNE 4.50 3.79 RMI 1.25 0.59 S.S. STD N/A r OD INSULATION 05,-o7 .-13 0600200 RACEWAY 702' 1 SEAL WATER RETURN LINE 4.50 1.58 MIN-K 0.5 0.09 N/A N/A N/A 5.5- OD MIN-K INSULATION

05. -07, -13 0600200 RACEWAY 702' 1 SEAL WATER RETURN UNE 4.50 1.52 MIN-K 0.5 0.08 N/A N/A N/A 6.12" OD MIN-K INSULATION 068 -07, -13 0600200 RACEWAY 702' 1 SEAL WATER RETURN LINE 4.50 0.94 RMI 1.625 0.20 S.S. STD N/A 7.75" OD INSULATION 06,-07. -13 0600200 060 RACEWAY 702' 1 SEAL WATER RETURN UNE 3.50 17.54 RMI 1.75 3.62 S.S. STO NIA 7"OD INSULATION 06,.-07,.-13 0600200-08 080-078-13 RACEWAY 702' 1 SEAL WATER RETURN UNE 3.50 1.00 MIN-K 0.56 0.05 NIA N/A N/A 4.62"OD MIN-K INSULATION 0600200-08..

06D-03 RACEWAY 702' 1 SEALWATER RETURN LINE 3.50 2.74 RMI 1.25 0.35 S.S. STD N/A 6"ODINSULATION 06,.-07, -13111 0600200 060-07,2-13 RACEWAY 702' 1 SEAL WATER RETURN UNE 1.06 6.87 RMI 1.47 0.56 S.S. STD N/A 4"O )INSULATION 0600200 06,-07,0-13 RACEWAY 702' 1 SEAL WATER RETURN UNE 1.06 1.37 MIN-K 1.47 0.11 S.S. STD N/A 4"OD MIN-K INSULATION 0800200 06,-07.-13 RACEWAY 702' 1 SEAL WATER RETURN LINE 1.06 0.92 RMI 3.97 0.40 S.S. STD WA 9"ODINSULATION 0600200 '06, -07, -13 RACEWAY 702' 1 SEAL WATER RETURN LINE 2.38 2.76 RMI 1.31 0.29 S.S. STD NIA 5" OD INSULATION 0600200 06,-07,0-13 RACEWAY 702' 1 SEAL WATER RETURN LINE 2.38 0.65 RMI 1.81 0.11 S.S. STD N/A 6" OD INSULATION 0600200 06,-070-013 RACEWAY 702' 1 SEAL WATER RETURN LINE 2.38 2.34 RMI 2.31 0.55 S.S. STD N/A 7"OD INSULATION WALKDOWN PACKAGE No. WBI-DWD-OOIK SHEET .-3 OF _0 APPROXIMATE INSULATION LENGTH: START FROM FLOOR SLEEVE: AT 8" OD INSULATION (4" PIPING): LENGTH = 17.23 + 7[7rr(6)(900/1800)] + 103.38 + 42.25 + 17.59 + 16.59+ 28.83 + 50.78 + 28.83 + 28.83 + 30.92 + 14.46 + 3.62 + 9.25 + 28.5 + 28.5+ 28.5 + (218.75 -I 6) + (224.58 9 -7.5) + (213.75 -I- 8.5 -I)+ 21.12 + 21.63 + 10.25 + 19.26 + 27.7 + 27.7 + 0.48 + 3 + 19 + 41.78 + 5.25+ 50 + 30.25 + 30.25 + 30 + 4.75 + 29.53 + 51.4 + 31.4 + 31.4 + 30 + 35.06+ (178.5 5) + 28.63 + 28.89 + 28.89 + 12 = 1920(0/12) = 160.OOFT AT 6" OD MIN-K INSULATION (4" PIPING) : LENGTH = 12.25 + 12.25 = 24.5(1/12) = 2.05FT AT 7" OD INSULATION (4" PIPING): LENGTH = 14.46 + 30.92 = 45.38(1/12) = 3.79FT AT 5.5" OD MIN-K INSULATION (4" PIPING): LENGTH = 2[7r(6)(900/180°)] = 18.85(0/12) = 1.58FT AT 6.12 OD MIN-K INSULATION (4" PIPING): LENGTH = 18.14(1/12) =1.52 FT AT 7.75" OD INSULATION (4" PIPING): LENGTH = 11.240(/12) = 0.94FT AT 7" OD INSULATION (3" PIPING): LENGTH = 50.17 + 50.17 + 30.51 + 29.19 + 32.87 + 32.85 + .75 + 2[r(4.5)(900/1800)] + 9.75 = 211(0/12) = 17.54FT AT 4.62" OD MIN-K INSULATION (5" PIPING): LENGTH = 12(1/12) = I.OOFT AT 6" OD INSULATION (5" PIPING): LENGTH = 32.87(1/12) = 2.74FT WALKDOWN PACKAGE No. WBI-DWD-001K SHEET _.f_. OF .-Q AT 4" OD INSULATION (3/4' PIPING): LENGTH = 16.5 + 19.5 + 1.25 + 5 + 1.25 + 25.25 + 3 + I + 6 + 5.62 82.37(0/12) = 6.87FT AT 4" OD MIN-K INSULATION (3/4" PIPING): LENGTH = 16.37(1/12) = 1.37FT AT 9" OD INSULATION (3/4" PIPING): LENGTH = 110(/12) = 0.92FT AT 5" OD INSULATION (2" PIPING): LENGTH = 7.62 + 5.75 + 13 + 2.5 + 5 + 1.25 = 33.12(1/12) = 2.76FT AT 6" OD INSULATION (2" PIPING): LENGTH = 3.75 + 4 = 7.75(1/12) = 0.65FT AT 7" OD INSULAITON (2" PIPING): LENGTH = 8.75 + 10.25 + 9 = 28(0/12) = 2.34FT CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE NO. WBI-DWD-001K EXCERPT FROM DRAWING 1-47W406-388A SHEET 5 OF 10 5.1 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE NO. WB1-DWD-001K EXCERPT FROM DRAWING 1-47W406-338A SHEET 6 OF 10 L 7 M -. 1-. 4;711/ ..I g I I ......I 1 f l l l l l l LJI .... lib!ýi 9"MM(C RfID I W 5U I rK*JSCS JAM51 J75OI'M'r3PV .... .... ...i I SATIWI I FPRWLCT FACILITR RACTOCR BUILDING UNIT IlTFLL PROBLEM 0600200-08-07 ANALYSIS ISOMETRIC OF CVCS PIPING CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WB I-DWD-001K EXCERPT FROM DRAWING 1-47W406-336A SHEET 7 OF 10 t t v v I i l II i T It I I a t I .l -, , , .......-t"ottl I de.i.I w Oso* , ,mr..n.nw.-n ' L~IIJ'/~' 4 1 g.,, ~, *4~I I/i~)Sma.tt.*" ztJ-C.,* 10 ~Lf~U'* ~ i;rJc%OCT 0-336A 0 N-P. 39 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE NO. WB°1DWD'OO1K EXCERPT FROM DRAWING 1-4 7W406-336A SHEET 8 OF 10 2 )U t.o2,--°.Jt I. ~ CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE NO. WBI-DWD-001K SHEET 9 OF 10 EXCERPT FROM DRAWING 1-47W406-335A 8' -t .414 .r-I I " .Is I "tm. :w "r.%~ ~ ~ ~~~u a '-" ', I -1 pt t "* ;',r;. ..k" " Win -.T-T-1"---" ."= I I CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE NO. WB1-DWD-001K EXCERPT FROM DRAWING 1-47W406-335A SHEET 10 OF 10 .CONTAINMENT DEBRIS::WALK DOWN PACKAGE WATTS BAR:N. P. UNIT I* ... / .*WALKDOWN PACKAGE NO. WBI-DWD-001L SHEET 1 OF DATE: 11119f2003

I-AREA: -I ;RACE-WAY RWP NO.: 8010: I:E LEV: 702' ..... ... .. ... ........ ..INSPECTORS:

C. G. WALLS, :FRANK C. YAO '.:....: .. ........... ...... .......REF. MATERIALS:...

Piping & Equipment Drawings:

Cable Tray Drawings:.. ..590955-088C..

SH. I1 REV. B Tools:. 590955-088C, SH. 6, R EV.B*:Drawings 590955-088C, SH. 7,-REV. B13.-Flashlights 590955-088C, SH. 8, REV. C: " Ladders 590955-088Ci SH. 9, REV. B3:..:Cameras 1-47W400-.209A, REV. 0. ..-. ....Binoculars Tape measure:Sam ple bags. .... ..__ _"_.. .... .... .._Pens/markers INSPECTION LIST: ITEM NO. ......... DESCRIPTION V Verify installation of Insulation as documented in existing plant drawings and/or documentation. 2 Inspect and mark up layout drawings to show any undocumented insulation.................... '3 Inspect and determine longitudinal seam location and band spacing if necessary. 4 Document any irregularities of the general condition of the piping insulation. Inspect and mark up layout drawings to show any undocumented fibrous insulation (e.g., within rupture restraints);.

• .6 Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal).

7 Inspect the area for any weak components that could be dislodged by jet and that could be transported to sump.a Inspect any equipment Insulation in the area.9 Inspect and document the general cleanliness of the area.:10 Inspect and verify any fibrous materials inside electrical components and cabinets COMMENTS 1"72"/3"/4". STEAM GENERATOR BLOWDOWN LINE (LOOP 2)-CONTINUED ON WALKDOWN PACKAGE NO's WB1-DWD-014Q & -0150.:"TVA CONTRACT NO. 93NNS-75645C: .. ......... .... ... ...... .. ......Prepared:By:-Checked By: C. G. WALLS:Date: Date: 11/19/03 11/19W03 FRNAK C YAO TVAW001-PROC-01:,Rev. 0 Attachment 'A Cr C I-'5 YWATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WBI-DWD-OOIL SHEET-,Z OF.. :.. : : .. ......... .... .. : ... .......... .. ..* "" -':: " INSULA'TION INSULATION.. ... .PROBLEM L OCATION ELEV. AREA DESCRIPTION 00(IN): LENGTH INSULATION I JACKET BUCKLE STRAP. C"-"E"T NUMBER ..THICKNESS VOLUME MATERIAL: TYPE TYPE PROB M..CA I.... .. ....:. .E C O. 0 N.. ......).... E(IN) ....... : ... .. .-.00000-07 RACAY 702 1 STEAM GENERATOR 4.50 149.59 RMI 2.25 4957 S.S. STD N/A Sr OD INSULATION:. 02 RAEA 0' 1BLOWOOWNI ...- ~~ ~~~ ~~. ..... ................. ............0600200.07. AE A 702' 1 ST- EEAO 45g0 2.57 RM~I .1.75 :061 S.S.: STD N'A B 00 INSULATION 0600200 STEAM GENERATOR 0~020 7 ... ~...STA GEODONERTO

2. 2.57 RMI .31.7 :01 m S.S.: STD N/A a* 00 INSULATION

.... .......... ...0600200 RACEWAY .702' 1 STEAM GENERATOR' 4.5 T 152' MIN*: .I ..M STb N!, 7.25'OD INSULATION 02 R E Y. B L ,O 2 .. ..3. 0 S.S. SAI-RAroR. .. ..... ... .0600200-07.. RACE'WA'Y ". : 02, STEAMOENERAOR i.il: 1.54 .MI 2.31 0 8 S.s.. SeTD NIA r" OD INSULATIO.0.N ....... ............ .... ....... ........ ........6020 7;RACEWfAY 702' "1"TE G N R T R 2.38t': i.72 RMI $S'. sTD N:A :8 DN UL IO.....2. ......... ...N .. .... ... .. ...... ............. .................. ...... .... ................. ..* .." .' .... .l ...... ...... ..............................i ...................i ....................... ..........! .....!..... ........u .......". -' '. .' n " '. .' .' ' 1 '. '. ...' '. .' '.. .... ..' .' " .. ..' ....... ....n ' ".. ........._ ....... .........' ...................... ......... .. ..........' ' ..' " '. .' .: ' .." ...................

• _ .: ..' ' ...........i ........... ................*. ... .... ..... ............ .

WALKDOWN:PACKAGE No. WBI-DWD-OOIL

SHEET ..-.3 OF APPROXIMATE I NSLLATION LENGTH: START: FROM PEN. MARK 'No..7 70:.AT 9" OD :INSULATION:

(4" PIPING): LENGTH =.17+ 28 .:+ 9.5 + 9 +.20 .+ .,7[,(6)(90°/180°)] + 89.5 + (1!2.5 -:4):+ (88.75 -4:) -7) +:13-575:5+:(1465.12 -6:- 2) + (90.12 .4)+ (118 -:4 -.4,.25) +.3 5.25 +.13.25 +: (112.5 :- 6:- 4):: (125.25 3 -5)+ (22.5 -.3):+ 15 + -(59.5 -2.-5) + :(57.5 -Z12 -,3) + .(122 -3):+ (124.5 -:5)+ l(24.62l--)+ 21575 "l++15 + 3:+ 9.1.C 9 7.25 + 9.:31 + 18.34 4 18.81: 1795(6/12) l:I49.59FT AT 8" OD PIPING):-LENGTH:= 17.75 1i3:- =30;75(I/12)= 2.57F.T..AT 7.25 OD MIN-KINSULATION:(4" PIP.ING): LENGTH= 18.19(/2) = 1.52FT AT 7" OD .INSULATION

(2" PIPING)::

LENGTH -9 +: 2 +5 +.+/-2.37 = 18.37(1/12) 1L54FT AT 8" OD INSULATION (2" PIPING/VLV): LENGTH =.2(00.38)(1/12) = I.73FT 'CONTAi NM Er NTikDBRIS WALKDOWý'N IPACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WBI-DWD-001I,.I-EXCERPT FROM DRAWING 1-47NV400.209A SIIEET 40F.95 CONTA I N 5lENT DEBRIS WALKI)O\WN PACKAGE WATTS BAR N. P.. UNIT i WALKDOWN PACKAGE NO."WBII.DWD-OOi .EXCERPT FROM DRAWING 1-47W400.209A slIl.ET.SOF o5 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BARN. P. :UNIT 1 WALKDOWN PACKAGE NO. WB1-DWD-001M SHEET'l OF -DATE: 11119/2003 I AREA: I RACEWAY I RWP NO.: 1 8010 IELEV: 1 702':INSPECTORS: C. G.WALLS. FRANK C. YAO REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings::590955-088C, SH. 1, REV. B *Tools: 590955-088C, SH. 12. REV. C Drawings 590955-088C, SH. 13, REV. B Flashlights 590955-088C, SH. 14. REV. B " Ladders 590955-088C, SH. 15, REV. B " Cameras 590955-088C, SH. 16,REV. B*Binoculars l--47W400-210A, REV. 0 Tape measure 1-47W400-210B, LATEST REVISION ......Sample bags Pens/markers INSPECTION LIST: ITEM NO. DESCRIPTION I Verify installation of insulation as documented in existing plant drawings and/or documentation.

2 Inspect and mark up layout drawings to show any undocumented insulation.

3 Inspect and determine longitudinal seam location and band spacing if necessary. 4 Document any Irregularities of the general condition of the piping insulation.

5 Inspect and mark up layout drawings to show any undocumented fibrous insulation (e.g., within rupture restraints).

6 Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal). .7 Inspect the area for any weak components that could be dislodged by jot and that could be transported to sump..8 Inspect any equipment insulation in the area.9 : Inspect and document the general cleanliness of the area.10 Inspect and verify any fibrous materials Inside electrical components and cabinets COMMENTS:1"12"/3"14* STEAM GENERATOR BLOWDOWN LINE (LOOP 3)-CONTINUED ON WALKDOWN PACKAGE NO's WB1-DWD-015E &-014R.*T VA CONTRACT.NO. 93NNS-75645C I IL+4_____________ -L (fik)2výPrepared By::Checked By::C. G. WALLS Date: 11/1/03 FRNAK C YAO Date: 11/19/03 TVAW001-PROC-01, -Rev. 0 Attachment A C...........C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WBI-DWD-001M SHEET , J OF..... .. ...... .. ... ... ........ ..._.._.... .. ... ...PRO L E 13LEM LENGTH INSULATION INSULATION INSULATION JACKET BUCKLE STRAP R LOCATION ELEV. AREA DESCRIPTION 00 (IN) THICKNESS VOLUME MATRA TUPE TRP COMMENTS NUMBER (Fl) TYPE (IN) (FT3) MATERIAL TYPE TYPE 0600200 ... .7 I STEAM GENERATOR 4.$0 1*00 RMi 2.25 5593 S.S. STO NIA 9" OD INSULATION 0 RACEWAY 702 BLOWJOWN 0000200 RACEAY 70 1 STEAM GENERATOR 4.50 1.27' RMI i.75 0.30 S.S. STD N/A 8" 0O INSULATION 03 BLOWNDOWNi 06OC200-07o RACEW0AY, ¶t0 I STEAM GENERATOR 4 4.02 RMI 1.25 039 S.S. 510 NA7 OD INSULATION RC ABLOWDOWN 03 063C-200.01-RCWY 7Z I STEAM GENERATOR 2.38 1.48 P.MI 2.31' 0.35 SO.3 ST NIA 14 0D INSULATION 03 RACWA 70 OW DOWN 0600200 .STEAM GENERATOR RACEWAY 70Z 1 2.3i 200 RMI 3.31 0.62 S.S. STD N/A 9700 INSULATION 03 SLOWDOWN 0630200 RACEWAY 70Z I STAMGNERAO, 862 0.73 WMI 2,19 03. SS. STD NIA 13 " 0O INSULATION (FLANGE)03 .... .LO DOWN.'"..... ..... ..... ..............,, .............., ...................... ............... ....... ..........i. ........., ......... .............. ................. ...~ ~ ~~~ ~~ ~~~ ..' ' .: :. .. ..* " ... .................., .................. ......*. '. " ......................- .:. ..., ................., ........................... WALKDOWN PACKAGE NO. WBI-DWD-OOIM SHEET .-I OF ._."57 APPROXIMATE INSULATION LENGTH: START FROM PEN. MARK NO. 771: AT 9" OD INSULATION (44" PIPING): LENGTH = (64.87 -.62 --3.5) + 8[Lr(6)(90o/180o)] + .38 + 8 + 6 + (47.88 -4.12) + (119.12 -2.38 -2.25) + (109 -3.75 -,3)+ (118.38 :2.5) + (113.5 -2.5 -3.25) + (89.88 -2) + 69,12+ (140 -15.25 -3) + (149.25 -3.5) + (8.12 + 91.75 -II -2.5)+(115.50 -2:5- 3.5) + (54.62.- 3.5 -6) + (106;75 -6) + 130.5 + 23.+ 16.75 + 97.25 + 121.+:(12,.62 -:4) + (123.5 -/4 -3.75) + (36.62 -:3.75)+ 14.88 + 64.5 = 2136(I/12).= 178.OOFT AT 8" OD INSULATION (4" PIPING): LENGTH ='15.25(1/12) 1.27FT AT 7" :OD INSULATION (4," PIPING): LENGTH = 4(7.44)(I/12) = 2.48FT AT 7" OD INSULATION (2" PIPING): .LENGTH = 5.75 + 8.25 + 3.75 ='17.75(0/12) = I.48FT AT 9" COD:INSULATION (2" PIPING/VLV).: LENGTH -2(12)(1/.12) 2-..00FT AT 13" .OD INSULATION (8.62" OD FLANGE): :LENGTH..= .8.66(1/12) = 0.73FT CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WBI-DWD-001 M EXCERPT FROM DRAWING 1-47W400-210A SIIEET4 OF 5 4ibgýLE 0600200-07-03 LNALYSIS ISOMETRIC OF 8D ,IPING 2 VATTS BAR NUCLEAR PLANT OCS.C'. E *V~ALLE 3VAUM ll CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WBI-D\)WD-01M EXCERPT FROM DRAWING 147W400-210A SIIEET5 OF 5 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P.:UNIT I WALKDOWN PACKAGE NO. WBI-DWD-002A SHEET ý/OFs, DATE: 1010912003 1 AREA: ILOOP 1 (LOOP A) RWP NO.: 8010 ELEV: 1702'INSPECTORS: C.-G. WALLS, MIKE SOLLIE REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 590955-040C, SH. 1, REV. B Tools: 47W2500-1, REV. 1 Drawings Flashlights* Ladders Cameras Binoculars Tape measure Sample bags Pens/markers INSPECTION LIST: ITEM NO. DESCRIPTION I Verify installation of insulation as documented in existing plant drawings and/or documentation. 2 Inspect and mark up layout drawings to show any undocumented insulation. 3 Inspect and determine longitudinal seam location and band spacing if necessary. 4 Document any irregularities of the general condition of the piping insulation. .5 :Inspect and mark up layout drawings to show any undocumented fibrous insulation (e.g., within rupture restraints).

• 6 :Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal).

7 Inspect the area for any weak components that could be dislodged by jet and that could be transported to sump..8 Inspect any equipment insulation in the area.9 Inspect and document the general cleanliness of the area.10 Inspect and verify any fibrous materials Inside electrical components and cabinets COMMENTS REACTOR COOLANT INTERIM LEG (CROSSOVER LEG)T* VA CONTRACT NO. 93NNS-75645C

1.~K)Prepared By: Checked By: C.G. WALLS MIKE SOLLIE .4:Date:.Date: TVAW001-PROC-01, Rev. 0 Attachment A

C C c WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WB1-DWD-002A SHEET. ZK OF ___r PROB.L.EM LENGT ..SULAION INSULATION INSULATION JACKET BUCKLE STRAP COMMENTs NUMBER LOCATiON'ELEV. AREA DESCRIPTION 00(IN) (NT) IUTYPE TINS oLU MATERIAL TYPE TYPE NUMBER ...... (T) TYPE(IN) " (FT3)... .. ...... .SEE NIA LOOP 1 702' 2 RC INTERIM LEG SEE CALC CALC RMI SEE CALC 88Z62 S.S. STD N/A NIA S ................... ...... ........ .......................... ... .......... ........... .......... ........... ..... ....... ...................I. ................ WALKDOWNWPACKAGE No. WBI-DWD-002A SHEETi. OF -J APPROXIMATE INSULATION VOLUME: AT Loop: (START FROM STEAM GENERATOR NOZZLE)V = ["r(422 -36.312)/4 X 6]+ [(-..(44 2 -.37.52)/4 X (-,(47.5)(U,0)/180°] + [7r(47.2 -36.312)/4 X 34.66] +:[,(.44 2 -36.312)/4 x (54.25 -34.66 + 2.5 + 2.75)]+ [,r(44 2 -37:52)/4 X :"r(51.25)(90°)/180°] + [ /.T(442 -36.312)/4 x 41.69]+ [7,'(49 2 -422)/4 x rr(.,44.25)(900)/1800] + [,r(49 2 -,37.622)/4 X (9.75-2.38)] = I46389(0/123)

84.72FT-3 AT VALVES 8 CAP: V = (3)[7T52/4 x 9.75] + [,r.5.52/4 X 9.75] -.+ (10.752 x 6.44) = 1551(I/.123)

0.90FT 3 TOTAL VOLUME = 87.72 + 0.90 = 88.62FT 3 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 V WALKDOWN PACKAGE NO.WBI-DWD-002B SHEETI OF DATE: 10/22/2003 AREA: -LOOP 1 RWP NOý.:80ý10 ELEV: 702'INSPECTORS: I C. G. WALLS. FRANK C. YAO I:REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 590955-031C, SH. 1, REV. 0*Tools: 590955-032C, SH. 1, REV. B Drawings 590955-033C, SH. 1, REV. A *Flashlights Ladders Cameras Binoculars Tape measure _Sample bags Pens/markers INSPECTION LIST::ITEM NO. DESCRIPTION 1 Verify Installation of insulation as documented in existing plant drawings and/or documentation. 2 Inspect and mark up layout drawings to show any undocumented insulation. 3 Inspect and determine longitudinal seam location and band spacing if necessary. 4 Document any irregularities of the general condition of the piping insulation. Inspect and mark up layout drawings to show any undocumented fibrous insulation (e.g., within rupture 5 restraints). 6 Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal). 7 .Inspect the area for any weak components that could be dislodged by jet and that could be transported to sump.8 Inspect any equipment Insulation in the area.9 Inspect and document the general cleanliness of the area.10 Inspect and verify any fibrous materials inside electrical components and cabinets COMMENTS REACTOR COOLANT PUMP TVA CONTRACT NO. 93NNS-75645C I 4 4 4 I C. G. WALLS Prepared By: 'Checked By: Date: 10/22/03 FRANK C. YAO -7"; C-Date: 10122/03 TVAW001-PROC-01, Rev. 0 Attachment A C C C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: W13.DWD-0020 ...._ * ..... ... .PROBLEM ) LENGTH INSULATION INSULATION INVULUMEON JACKET BUCKLE STRAP NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) THICKNESS VOLUME MATERIAL TYPE TYPE COMMENTS NUMBER* (FT) TYPE (IN) (FT3)N!A LOOP 1 70T .2 REACTOR COOLANT PUMP SEE CALC RMI SEE *hLC 53.45 S.S. STO NIA N/A CALC WALKDOWN PACKAGE ýNo. WBI-DWD-002B SHEET OF *$.J'_APPROXIMATE INSULATION VOLUME: AT PUMP: (CONSIDER INSULATION THICKENESS = 2.75")V = :[.(87.5 2 -822)/4 X 121.6] + [7(822 -442)/4 x 2.75] -3(55.54)(121.6) -3[(244 -55.54) X 36.8,3]:- (r..17.692 X 2.75)= 55588(I/12.) = 32.17.FT 3 AT COOLANT NOZZLE COVER: V = (44.5 x 46 x 2.75) + 2(27.25 x 41.5 x 2.75) + 2(40.5 x 27.5 x 2.75)+ 2(18.5 x 27.5 x 2.75) -(-n17.692 x 2.75) = 18519(I/123) = 10.8FT 3 AT SUPPORTS: (SEE VIEWS A-A & L-L)V = 2[(48 x 36.83 x 2.75) + 2(36.83 x 21.25 x 2.75)-+ .2(48 x 24 x 2.75)-2(w14 2 X 2.75) + "v[10,52 -72110] =.28080(I/12

3) = 16.25FT 3 AT SUPPORT: .(SEE VIEW K-K)V 2(48 x 18.75 x 2.75) + 2(36+.83 x 18.85 x 2.75) -2(1-.,42 x 2.75)+ 14[10.52 -72110 = 7307(/123).=

4.23FT3 TOTAL VOLUME = 32.17 + 10.8 + 16.25 + 4.23 = 63.45FT 3 -~ ~ **w4-7i.3 r.Y 7~"~" w' l* -,J.' *t Vt~UA.~ 'V~- !-717-"in I fi'~ C-.6.*c CZ(?:7.5Y4S.75)- Z.7VJ7* ( , 3/,S-" 1. 5 -75 ,50£L~fi~AFL~M& = 5S. ~'bd 2 1 LL...:M~.,CA O'-6. #..rnUA IALL Pllis ARr Ar4ITNC3, V~tT'GWf WW SeAenS EICEPT W.oC. ARE PROVIZZO wir." Snilt Io ~lnli ***t mN AiA&LC9lf SWft'llll 81 I TO PXIL ' ALL. PAlti. NWMUfftW *MIALL A1llArMS Aef P-UAPl AROMWtu.SI*T.. ýAA-Agl Wit ?PArO MO CO"PI *4e $H42 114 1161 S "i l l" A I 1 , 40,II, WW1. sIe Amo Cr.I) i.o tfl;NlCS n4#n*f M., r ---- J-0ow-n MAP" Aze.d, 7r(,;3'7SZ-74/L(~)-, V;'-- St tttfl)----CofiLANi eUw Ui oTOm H.EAD DEVENCIWET a" TvA-YWTS' BAR UMaT *1- LOOP' *I 6in ,,__________

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• nfl#P VPCCJ III~ 1-till II.1II ii..- .. I II I I IIl 'Ill I I.., I* l~5 ., ________________________________________

lid!- 4icIZ) V-CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKOOWN PACKAGE NO.'WB1.DWD-002C SHEET /OF3 ,h/3 DATE: 110f27/2003 F AREA: I LOOP 1 RWP NO.: :8010:JELEV: F 702'INSPECTORS: C. G. WALLS; MIKE SOLLIE REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 590955-043C, REV. A Tools: 47W465-202, REV. D Drawings Flashlights Ladders Cameras i Binoculars Tape measure Sample bags Pens/markers INSPECTION UST: ITEM NO. DESCRIPTION I Verify installation of insulation as documented in existing plant drawings andlor documentation. 2 Inspect and mark up layout drawings to show any undocumented insulation. 3 Inspect and determine longitudinal seam location and band spacing if necessary. .4 Document any irregularities of the general condition of the piping insulation. Inspect and mark up layout drawings to show any undocumented fibrous insulation (e.g., within rupture restraints). 6 Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal). 7 Inspect the area for any weak components that could be dislodged by let and that could be transported to sump.8 Inspect any equipment Insulation in the area.9 Inspect and document the general cleanliness of the area.*10 Inspect and verify any fibrous materials inside electrical components and cabinets_........COMMENTS ___RC INTERIM LEG DRAIN-*.TVA CONTRACT NO. 93NNS-75645C 7-1-----~~ --Prenared Bv: C. G WALLS Checked By..MIKE SOLLIE <a--:Date: /'Oh .Date: , A TVAW001-PROC-01, Rev.. 0 Attachrrient A C y 7 C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WBI-DWD-002C SHEET. OF .PROBLEM LOCATION ELEV. AREA DE$CRIPTIO'N OD'(IN) LENGTH INSULATION INSULATION INSULATION JACKET BUCKLE STRAP COMMENTS NUMBER DECITO... (FT) TYPE THICKNESS VOLUME MATERIAL TYPE TYPE.___._..... .... (IN) (FT _3)06 0 0 -3 LOO I ! i,,,1_ 6.. ..0600200.13-LOOP 1 702' 2 INTERIM LEG DRAIN 238 0.88 RMi 3.8125 045 S.S. STO NMA 10' OD INSULATION 09................. ..... .... ...........0600200 09 LOOP 1 702' 2 INTERIM LEG DRAIN 2.38 1400 WMI 28125 446 Ss. STD NnA 84 OD INSULATION 0600200 LOOP 1 702' 2 INTERIM LEG DRAIN 2.38 .55 RMI 2.3125 0i3 S S STD N/A 7" OD INSULATION 09 0600200.13-LOOP 1 702' 2 INTERIM LEG DRAIN 2.38 0.50 RMI 1.3125 0+05 SS, STD NIA 5- OD INSULATION 09 WALKDOWN PACKAGE No. WBI-7DWD-002C SHEET OF APPROXIMATE

INSULATION LENGTH: STARTING FROM RC INTERIM Loop: AT 10" OD INSULATION:

LENGTH = 10.5(1/12) = .0.88FT AT 8" OD INSULATION: LENGTH = 19.5 .+7.5 + 20.75.+ 59.5 + 35.5 + 1.76 + 5.56 + 8 + 10 + 8.5=: 168(0/12) = 14.00FT AT 7" OD INSULATION: LENGTH = 6.5(1/12) = 0.55FT AT 5" OD INSULATION: LENGTH = 5..94(1/12) = 0.ý5FT C-C C CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WBI-DWD-002D SHEET 1 OF 12 DATE: 11/03/2003 AREA: LOOP I (AZ 0'uTO 90") 1RWP NO).: 18010 I-ELEV: 702 INSPECTORS: "FRANK C YAO, MIKE CALDWELL REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 47M2500-1 Tools: Drawings: Flashlights.Ladders Cameras Binoculars Tape measure-Sample bags Pens/markers INSPECTION LIST:.ITEM NO. DESCRIPTION 1 Verify installation of insulation as documented in existing plant drawings and/or documentation, 2 Inspect and mark up layout drawings to show any undocumented insulation. 3 Inspect and determine longitudinal seam location and band spacing if necessary. 4 Document any irregularities of the general condition of the piping insulation. 5 Inspect and mark up layout drawings to show any undocumented fibrous insulation (e.g., within rupture restraints). 6 Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal). 7 Inspect the area for any weak components that could be dislodged by jet and that could be transported to sump.8 Inspect any equipment insulation in the area.9 Inspect and document the general cleanliness of the area.*10 Inspect and verify any fibrous materials inside electrical components and cabinets COMMENTS TAGS; LIGHTS, TIE-WRAPS Prepared By: Checked By: FRANK C YAO rAt-MIKE CALDWELL Date: Date: 11/03/03 11/03/03 TVAWOO1-PROC-01, Rev. 0 Attachment A C,....... ....c C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WBI-DWD-002D SHEET 2 OF 12 INSULATION INSULATrION LERGTBIEMUL TONSUA .INUAIN JACKET STRAP PROBLEM LOCATION ELEV. AREA DESCRIPTION OD(IN) LENGTH INSULATION THICKNESS VOLUME. ACTBRIA COMMENTS NUMBER (FT) TYPE (IN) (FT3) MATERIAL TYPE TYPE NA LOOP1 702 2LABELS. SIGNS, N NA iNA NA NA 0.00 NA NA NA SEE REPORT FOR COMMENTS NiA 702PENETRATION NO. WB I-D WD-002 D SHEET 3 OF 12 47W2500-1I QUAD-I E. 702' TO 710' WVBI-DWD-002D SHEET 4 OF 12 47W250041 QU7AD- 1 E. 702' TO 710' Rot <,. ," ... .+:"it 'Cl v..Any y I-16V A I.4-........F TIj V F ,4 4 V I f iLi~ F I-A --not A A log 4AA... .. .... ~W, fit i.too

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CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N.. P. UNIT 1 WALKDOWN PACKAGE NO. WBI-DWD-002E SHEET 1 OF. 3 DATE: 11/25/2003 AREA:. LOOP I RWP NO.: 8010 ELEV. 702 INSPECTORS: FRANK C YAO, ,MIKECALDWELL REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings:. 47W2500-1 1-47W243-6 Tools: 1-47W243-7 Drawings _1-47W243-8 Flashlights 47W331 -1 Ladders _DCN NO W-32667-C* Cameras Binoculars.Tape measure.Sample bags Pens/markers INSPECTION LIST:-ITEM NO. DESCRIPTION I Verify installation of insulation as documented in existing plant drawings and/or documentation. 2 Inspect and mark up layout drawings to show any undocumented insulation. 3 Inspect and determine longitudinal seam location and band spacing if necessary. 4 :Document any irregularities of the general condition of the piping insulation. 5 Inspect and mark up layout drawings to show any undocumented fibrous insulation (e.g., within rupture restraints). 6 :Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal). -7 ;Inspect the area for any weak components that could be dislodged by jet and that could be transported to sump.8 Inspect any equipment Insulation in the area..9 Inspect and document the general cleanliness of the area.-10 :Inspect and verify any fibrous materials inside electrical components and cabinets COMMENTS_CONTAINMENT VESSEL PENETRATIONS CAL Ud i o_________________ I.Prepared:By: Checked By: FRANKC YAO.C-Date: 11/25/03 MIKE CALDWELL2j Date: 11/25/03.TVAW001-PROC-01, Rev. 0 Attachment A c C........... WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#M WBI-DWD-002E SHEET 2 OF 3 PROBLEM LENGTH INSULATION INSULATION INSULAT1ON JACKET BUCKLE STRAP NUMBER LOCATION ELEV. AREA DESCRIPTION O (IN) (FT TYPE THICKNESS VOLUME MATERIAL TYPE TYPE (F...... ....(IN) (FT3)SEE CALCIUM N/A RACEWAY 702 1 CALCIUM SILICATE SEE CALC CALC SILICATE SEE CALC 56.700* NA NA NA SEE CALCULATION WBI -DWD-002E SHEET 3 OF :3 CALCIUM SILICATE IN PENETRATION VOLUME OF CAL SILICATE (RACEWAY)PIPE OUTSIDE DIAMETER =D LENGTH FROM STEEL CONTAINMENT TO INS CRANE WALL = L OUTSIDE DIAMETER OF INSULATION = D'THICKNESS OF INSULATION = T NET INSUL.XSECTION PEN NO D(IN) T(IN) D'=D+2T A(SQ IN) :L (FT) V (CU FT)X-13A 32.0 3.5 1 39.0 390.344 15.604 42.30 X-12A 16.0 2.5 21.0 145.299 14.271 14.40 TOTAL= 56.70 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. SHEET / OF v DATE: 1010912003 AREA: LOOP 2 (LOOP B) RWP NO.: 8010 ELEV: 702'-INSPECTORS: C. G. WALLS, MIKE SOLLIE REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 590955-040C, SH. 1, REV. B (NOTES ONLY)Tools: 590955-040C, SH. 2, REV. B Drawings 47W2500-2, REV. 1 Flashlights Ladders Cameras.Binoculars Tape measure Sample bags Pens/markers INSPECTION LIST: ITEM NO. DESCRIPTION I Verify installation of insulation as documented in existing plant drawings and/or documentation. 2 Inspect and markup layout drawings to show any undocumented Insulation. 3 Inspect and determine longitudinal seam location and band spacing if necessary. 4 Document any irregularities of the general condition of the piping insulation. 5 Inspect and mark up layout drawings to show any undocumented fibrous insulation (e.g., within rupture restraints). 6 Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal). 7 Inspect the area for any weak components that could be dislodged by jet and that could be transported to sump.:8 Inspect any equipment insulation in the area.9 Inspect and document the general cleanliness of the area.10D Inspect and verify any fibrous materials inside electrical components and cabinets COMMENTS REACTOR COOLANT INTERIM LEG (CROSSOVER LEG)WTVA CONTRACT NO. 93NNS-75645C Prepared By: Checked By: C. G. WALLS MIKE SOLLIE ,_- , Date: Date: A ,_TVAW001-PROC-01, Rev. 0 Attachment.A c C_,.-WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WBI-.WD-003A SHEET , OF A LENGTH INSULATION INSULATION INSULATION PROBLEM LOCATION ELEV. AREA DEscRRPTION ON) THICKNESS VOLUME JACKET BUCKLE COMMENTS NUMBER LFT) TYPE (IN) (FT3) MATERIAL TYPE TYPE W/A LOOP 2 702 3 RC INTERIM LEG SEE CALC SEE RI SEE CALO sI S.S. STD NIA NA CALC RM SE A $. .S D NAN/ WALKDOWN'PACKAGE No. WBI-DWD-003A SHEET OFF-APPROXIMATE INSULATION VOLUME: AT Loop: (START FROM STEAM GENERATOR NOZZLE)V = [7r(422 -36.312)/4 X 6] + [.r.(442 -37ý52)/4 X 7.(47.5)(400)/1806]

• + [.'n(472 -36.312)/4 x '3.66] + [,.r(442 -36.312)/4 X (54.25 -34.66 + 2.5 + 2.75)]+ [ir(442 -37.52)/4 X r(51.25)(90°)/I80°]

+ [,7r(.442 -356.312)/4 x 42.38]+ [r.(492 9- -42 2)/h X 7r(44.25)(900)/180°] + [,rr(49 2 -37.622)/4 X (9.75-2.38)] 1 146724(I/123) = 85.91FT 3 AT VALVES & CAP: V= ()[" 5 2/4 X 9.75] + [r,5,5 2/4 X 9.75] + (103752 x 6.44) = 1551/1123) = 0.90FT 3 TOTAL VOLUME = 85.91 + 0.90 = 86.81FT 3 WB1-DWD-003A PG 4'" OF d PICTURE 003A-1..i.7. .. ......... ..... ...................;; ;: " " ij,; !', :.. * * : ..:r..: :F( ;:,.i:;;:. CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WBI-DWD-003B SHEET'! OFD3LO ELEV: 1702'INSPECTORS: C. G. WALLS, MIKE SOLLIE REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings:. 590955-031 C, SH. 2, REV. 0 *Tools: 590955-032C, SH. 2, REV. D Drawings 590955-033C,:SH. 2, REV. A _,,Flashlights t Ladders Cameras .......Binoculars Tape measure _____________________ ____________________ Sample bags ... ..__ _ _... ... ....._._ _ _Pens/markers INSPECTION LIST: ITEM NO. DESCRIPTION 1 Verify Installation of insulation as documented in existing plant drawings and/or documentation.

2 Inspect and mark up layout drawings to show any undocumented insulation.

3 Inspect and determine longitudinal scam location and band spacing if necessary. 4 Document any irregularities of the general condition of.the piping insulation. Inspect and mark up layout drawings to show any undocumented fibrous insulation (e.g., within rupture restraints). _ _ _____la o o__br r( ri l n h z t)6 Inspect and mark up cable tray drawings to Show location of fire barricrs (vertical and horizont)__ 7 .Inspect the area for any weak components that could be dislodged by jet and that could be transported to sump.8 Inspect any equipment Insulation in the area.9 :.Inspect and document the general cleanliness of the area.710 0 Inspect and verify any fibrous materials inside electrical components and cabinets COMMENTS____ REACTOR COOLANT PUMP __ TVA CONTRACT NO.;93NNS-75645C _ _ _ _ _ _ -I ".":: .....-- .. ... ............ .. ....... ...._ _ _ _ ________________ ___________ ___________________ I _______________ Prepared By: C. G. WALLS _ ....MIKE SOLLIE .//"!, Date: /0'Z .7,, 3 Date: 3 .Checked By:, TVAW001-PROC-01, Rev. 0 Attachment A C C WATTS BAR. NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WB1-DWO-003B SHEETZ OF PRBLM I I LNGH NSLA.O INSULATION jINSULATION JACKET IBUCKLE STRAP ICMET PROBLEM 'LOCATION ELEV. AREA DSCRIPTION OD (IN) LENGTH INSULATION INSST VOLUMELATMNN NUMBER .. ....I(FT) TYPE TINE VOTU) MATERIAL T LYPE TYPE...................(IN ) ..... .. (F T 3 ) ........I ~SEE N/A LOOP 2 702" 3 REACTOR COOLANT PUMP SEE CALC CALC RMI SEE CALC 6345 S.$. STD N/A N/A_ _ _ _~~~~. ._. ............. ... .._ ._ _.............. ................... .. .... ............... ..........I. ........... .. .._. .... ....... ....1 ....___ __ _II _ _1_ _ _ _ _ _1_ _ _ i. _ _ _ _ -_ _ _ _ _ _ WALKDOWN PACKAGE No. WBI-DWD-003B SHEET !_ OF -.APPROXIMATE INSULATION VOL.U.M.E: AT PUMP: (CONSIDER INSULATION THICKENESS =.2.75")V = [r(87.52 -822)/4 x 121.6] + [-r(82 2 -,442)/4 X 2.751 -3(55.54)(121.6) -3[(244 -55.54) x 36.831 -(-!7,692 x.2175) = 55588(0/123) = 32.17FT 3 AT COOLANT NOZZLE COVER: V = (44.5 x 4.6 x 2.75) + 2(27.25 x 44.5 x 2.75) + 2(40.5 x 27.5 x 2.75)+.2(18.5 x 27.5.x 2.75) -(-r17.69 2 X 2.75) = 18519(I/123) =10.8FT 3 AT SUPPORTS: a(SEE: VIEWS A-A 8, L-I)V = 2[(48 x 36.83 x 2.75).+ 2(36.83 x 21.25 x 2.75) + 2(48 x 24.x 2.75)-2(,ir4 2 x 2.75) + 'I7[10,5 2 -72]10] = 28080(I/12-3)= 16.25FT 3 AT SUPPORT: :(SEE VIEW K-K)V = 2(48 x 18.75 x 2.75) + 2(36.83 x.18,85 x 2.75) -2(-r1642 X 2.75)+ "{[i0o.52 -72]10 = 7307(I/123) =4..23FT 3.TOTAL VOLUME = 32.,7 + 10.8 -16.25 -, 4.23 = 63.45FT 3 C..............C-V.,,.z7SX4 Z, ý5, ',O.5o 3" Aj , trL- E ) =.. : '.__'5__ __ a .f,7,..(de, 8) ..,: ".... ....;o,, .- R.--.-,,: //S4'<3,7S)- 3o.S(Z /)J .. ,-,. , ,,'~ ~ ~ ~ ~r 1- " ...,,,,, qr.,` ..K. .AR p "v~teo -.r" Bicgs II Utl ."i It iS'TAL&Lr) I.78. To pqr.ix ALL. PAmts.L NhttHiIs 4 ) AICwS Ib ICATr t.4tCv IPPI0 C LAVPPlI SIALL nl-lAr.S ARE P9.0 A~llJA?*.I S)T.,S OfAWI`C AIP TAACCD AND CtOPLfO PA*" 0ItIlto, s l " 4 a'lil .' ; C* to W "0 PC 1 ^70 "'./S-lg2. 41M411 4ON0t. #'JPV1.146 I.tll 44 .405 1llI.A .. ......... ..... -REP 07. O&340953-02it C0AL.*. AI*I..CCf..f,7 -- 7 RE OR~ CoOLLNT PVJUP BOTTOM HEAD DEVELOPMENT - WU wUr .i- LOOP"./7-------- --------at2.f.,.,. .cu ..,l.-I-.--at ---, --..I -P*~'~ --..- an.- -.-.--- -.,,, liii, I p.at! .011 mlow, k ,,,,' -758.5c, 7- B.la~L~L II I1.-11111.1.11111 I I~s2j. t~t 0~ CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WBI-DWD.003C SHEET / OF 1 ,1Z7/103 DATE: 10/27/2003 AREA: LOOP 2 RWP N. 8,010 ELEV: 702" INSPECTORS: C. G. W-A-LLS, M'IKE SOLLIE REF.. MATERIALS: Pipi~n& Equipment Drawings: Cable Tray Drawings: 590955.043C, REV. A Tools: 47W465-219, REV. D ._Drawings Flashlights _Ladders Cameras .*Binoculars i T a p e m e a s u re .................. ....... ..... .......Sample bags .Pens/markers INSPECTION LIST: ITEM NO. DESCRIPTION I Verify installation of insulation as documented in existing plant drawings and/or documentation.

2 Inspect and mark up layout drawings to show any undocumented insulation.

3 Inspect and determine longitudinal seam location and band spacing if necessary. 4 Document any irregularities of the general condition of the piping insulation. Inspect and mark up layout drawings to show any undocumented fibrous insulation (e.g., within rupture restraints). .6 Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal). 7 Inspect the area for any weak components that could be dislod ed by jet and that could be transported to sump.:8 Inspect any equipment insulation in the area.9 Inspect and document the general cleanliness of the area..10 Inspect and verify any fibrous materials inside electrical components and cabinets COMMENTS RC INTERIM LEG DRAIN.. .TVA CONTRACT NO.: 93NNS-75645C .......... .4. --.4 Prepared By: C. G: WALLS L _Date: ../_ --1,__Date: i4:// Qf Checked By::MIKE SOLLIE TVAW001-PROC-01, Rev. 0 Attachment A C.C .........C WATS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKOOWN PACKAGE*: WBI.DWD-003C SHEET OF 44 ... ...". ..... .. ......INSULAT10N INSLTO PROBLEM LOCATION tLEV. AREA DESCRIPTION OD(IN! LENGTH INSULATION THICKNESS VOLUME JACKET BUCKLE STRAP COMMENTS NUMBER (FT) TYPE IN MATERIAL TYPE TYPE-__._._..... (IN) (FT3) ______i .. ....L ... ...... ... ..0000200 LOOP'2 702' 3 INTERIM LEa DRAIN 2.38 0.88 RMI 38125 045 S.S. STO NIA 1w OrOD INSULATION 10 000020-.13-LOOP2 702i 3 IN'TERIM LEG DRAIN 2,38 14.t0 RMI 2.8125 4.46 S.S. STD NIA 8*ODINSULATIO.4 10 ... WALKDOWN PACKAGE :No. WBI-DWD-003C SHEET ,i OF Al APPROXIMATE INSULATION LENGTH: STARTING FROM RC INTERIM Loop: AT 10" OD INSULATION: LENGTH = 10.5(1112)

0.88FT AT 8" OD INSULATION:

LENGTH = 14.5 + 7.5-+ 20.5 + 60 + 35.6 + 5.5 + 13 + If = 168(1/12) =]:&O.:OFT ,I,-llitý-C-~'T'~6 9 .9 10 12-~ ~ ~ ~ ~ ~ CO..ATIG4 CONI~TMfrN3 a- a , ' ~1.R bya n* .5.. 'ft.,a,-- -_________a DEaMt A.n-S,.ff5 a S....CrYNAal*0.ft"J3 F P-*3-2.....-.~ .......t I =M 7 4 01. 4 6a ."" I.Izz 1-1==:-= A ý G ON NOTED;k//- 7)kIP -osc CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE NO. WB1-DWD-003D SHEET I OF :3 DATE: 1 11/2512003 AREA: LOOP 2 1RWPNO.: 8010 ELEV: 702, INSPECTORS: FRANK C YAO, MIKE CALDWELL REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings:_ 47W2500-2 1-47W243-6 Tools: 1-47W243-7 Drawings ,,_1-47W243-8 Flashlights " _ , _............._ 47W 331-1 Ladders DCN NO W-32667-C Cameras Binoculars Tape measure Sample bags __Penslmarkers.INSPECTION LIST: ITEM NO. DESCRIPTION 1 Verify installation of insulation asdocumented in existing plant drawings and/or documentation.

2 Inspect and mark up layout drawings to show any undocumented insulation.

3 Inspect and determine longitudinal seam location and band spacing if necessary. 4 Document any irregularities of the general condition of the piping insulation. .5 Inspect and mark Up layout drawings to show any undocumented fibrous Insulation (e.g., within rupture restraints). .6 Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal). 7 Inspect the area for any weak components that could be dislodged by jet and that could be transported to sump.8 Inspect any equipment insulation in the area.9 Inspect and document the general cleanliness of the area.10 .Inspect and verify any fibrous materials inside electrical components and cabinets COMMENTS CONTAINMENT VESSEL PENETRATIONS '- ."el U- Cf (L f.J___ I-1-+4-+Prepared By: Checked By: FRANK:C-YAO C MIKE ALWELL. , ..J:Date: 11/25/03 Date: 11/25/03 MIKE CALDWELL;ýul TVAW001-PROC-01, Rev. 0 Attachment A C C AV-WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WBIDWD-003D..SHEET

2. OF 3.. .....PROBLEM LENGTH INSULATION JACKET BUCKLE STRAP NROLM ON ELEV. AREA DESCRIPTION OD(IN) (NT) TYPE THICKNESS VOLUME MATERIAL TYPE TYPE LNAUMBER) (F TYPE (IN) (FT3)NIAiA LOOP 2 "62 3 CALCi' UM SILICATE SEE CALC SEE CALCIUM SEE CALC 70.s80' NA NA NA SEE CALCULATI0N SIL C. CA.C S.LICAT.

WVBI-DWD-003D SHEET 3 OF 3 CALCIUM SILICATE IN PENETRATION VOLUME OF CAL SILICATE (RACEWAY)PIPE OUTSIDE DIAMETER = D LENGTH FROM STEEL'CONTAINMENT TO INS CRANE WALL = L OUTSIDE DIAMETER OF INSULATION = D'THICKNESS OF INSULATION = T NET INSUL.XSECTION PEN NO D(IN) T(IN) D'=D+2T A(SQ IN) L (FT) V (CU:FT)X-13B :32.0 3.5 39.0 390.344 15.484 41.97 X-12B 16.0 2.5 21.0 145.299 14.198 14.33 X-12C 16.0 2.5 21.0 145.299 14.255 14.38 TOTAL= 70.68 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P.: UNIT I K.) WALKDOWN PACKAGE NO. WBI-'DWD-004A SHEET / OF 3 v DATE: 10109/2003 AREA: LOOP 3 (LOOP C) RWP NO.: 8010 IELEV: 702'INSPECTORS, ZC. G, WALLS, MIKE SOLLIE REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 590955-040C, SH. 1, REV. B (NOTES ONLY) *Tools:. 590955-040C, SH. 3, REV. B *Drawings 47W2500-3, REV. 1 Flashlights ..... ...... ..Ladders Cameras Binoculars Tape measure Sample bags Pens/markers INSPECTION LIST: ITEM NO. DESCRIPTION I Verify installation of insulation as documented in existing planl drawings and/or documentation. 2 Inspect and mark up layout drawings to show any undocumented insulation.

3 Inspect and determine longitudinal seam location and band spacing if necessary.

• 4 Document any Irregularities of the general condition of the piping insulation.

5 Inspect and mark up layout drawings to show any undocumented fibrous insulation (e.g., within rupture restraints).

6 Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal).

7 Inspect the area for any weak components that could be dislodged by jet and that could be transported to sump.:8 Inspect any equipment insulation in the area..9 Inspect and document the general cleanliness of the area.10 Inspect and verify any fibrous materials inside electrical components and cabinets COMMENTS_REACTOR COOLANT-INTERIM LEG (CROSSOVER LEG)TVA CONTRACT NO. 93NNS-75645C Prepared By: Checked By: C. G. WALLS MIKE SOLLIE .-?-i .J:Date:. OVA Date: ,, s',*-VAW001-PROC-01, Rev. 0 Attachment A C c C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#.: WBI-DWD-004A SHEET.-L OF , ...._'_....PROBLEM .LENGTH INSULATION INSULAION INSULATION JACKET BUCKLE STRAP CM T NUMBER LocATIoN"ELEV. AREA DESCRIPTION 00 (IN) LATE THICKNESS VOLUME COMMENTS NUBRF T). TYPE (I)MATERIAL TYPE TYPE______._ ................ _____(IN] .....(FT3} ... ..N/A LOOP 3 707 4 RC INTERIM LEG SEE CALC SEE RMI SEE CALC 85.43 S.S. STO N;A N!A CALC..... .. .... ......... ................. ........... .... ....... .. i i .. .. ......... ... ...... WALKDOWN PACKAGE:NO. WBI-DWD-004A SHEET OF APPROXIMATE INSULATION VOLUME: AT Loop: (START FROM STEAM GENERATOR NOZZLE)V = [(r;(422 -36.312)/4 X 6] .+j[.(442 -37.52) x "r(47.5)(40°)/180°] + [-.r(472 -36.312)/4 X 354.911 + [T(442 -36.312)/4 X (55.5.- 34.91 4- 2.5 + 2.75)]+ [,rr(44 2 -37.52)/4 X -r(51.25)(900)/180°] + [w-,(44 2 -36.312)/4 X 42.12]+ [=(49Z -422)/4 X 'ri(44.25)(900)/180o] + [-..(492 -37.622)/4 x (9.75-2.38)] 1 .46053(I/123)= 84.53FT3 AT :VALVES 8. ýCAP: V =:(3)[.E5 2/4 x 9.75] + [r5.52/4 X 9.75] + (10.752 x 6.44) = 1551(1/123) = 0.90FT 3 TOTAL VOLUME = 84.55 + 0.90 = 85.43FT 3 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1i K 4> WALKDOWN PACKAGE NO.WBI-DWD-004B SHEET/ OF V 4 (NJ /0,Z7/03 DATE: 10r27/2003 AREA: LOOP 3 :1RWP NO.: 8010 ELEV: 702'INSPECTORS: C. G. WALLS, MIKE SOLLIE REF. MATERIALS: Piping & Equipment Drawings: " Cable Tray Drawings: 590955-043C, REV. A _ _=_Tools: 47W406-328, REV. E. _DrawingsI Flashlights __Ladders Cameras Binoculars Tape m easure .... ... .. ..... .. ..Sample bags ,..Pens/markers INSPECTION LIST: ITEM NO. DESCRIPTION I Verify installation of Insulation as documented in existing plant drawings andlor documentation. 2 Inspect and mark up layout drawings to show any undocumented insulation. 3 Inspect and determine longitudinal seam location and band spacing if necessary. ".4. Document any irregularities of the general condition of the piping insulation. Inspect and mark up layout drawings to show any undocumented fibrous insulation (e.g., within rupture: 5 restraints). ' 6. Inspect and mark up cable tray drawings to show location of fire barriers (vertical and horizontal).,:L .7 :Inspect the area for any weak components that could be dislodqed.byjet and that could be transported to sump.8 Inspect any equipment insulation in the area. l9 Inspect and document the general cleanliness of the area,.1 .10 Inspect and verify any fibrous materials inside electrical components and cabinets_______________COMMENTS _______RC INTERIM LEG DRAIN __________ I. .. ........ .....iz I ~ .--..-~ ... .-.. ... .... ..____ .--.._ _ _-._ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _... .................... ... ............ -.... ... .......... .. ... ... ..... .C. G. WALLS Prepared.By" Checked By: MIKE SOLLIE ..Date: /2, / -Date: TVAW001-PROC-01, Rev. 0 Attachment A C c C0 WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS.WALKOOWN PACKAGE#: WBI-DWD-004B SHEET Z OF ... ..........PROBLEM .LENGTH INSULATION INSULATION INSULATION JACKET BUCKLE STRAP COMMENTS BE LOCATIN ELEV. AREA SCIPTION O(FT) TYPE THICKNESS VOLUME MATEMEN TYPETTYPE NUMBER MATERIAL TYPE TYPE NrA LO0P 3 7ii "4 INTERIM LEG DRNN 2.38 1.92 RMI 3.8125 0,9 §S. STD NIA 1lo OD INSULATION NIA LOOP 3 702' 4 INTERIM LEG 0RAIN 2.38 9 SO RMI 2,8125 i d2 S.S, STO NIA e OD INSULATION WALKDOWN PACKAGE No. WBI-DWD-004B SHEET -' OF APPROXIMATE INSULATION LENGTH: STARTING: FROM RC INTERIM LOOP: AT I0" OD INSULATION: LENGTH= 11.44 + !1 = 23(1/12) = I.92FT AT 8" OD INSULATION: LENGTH = 9.25 + 5.25 + 22.75 + 31.25 + 26 + 19.06 = 1140(/12) = 9.5FT ft- AL. ,:..ý VAUDSm.&,...t ...6 SOC~T ,,LZEV b...a.* I ..* .Po w (Ifthe AG. -1 .J C.haLa A 94pt &KCAMI? IM1' wonsp.". Y.4I "Awym r iC(T.IVrngwe "It00 owo r mvtes wau Lfok°ewromwa-uw Llc&"f lfI CV "ail, A. PeP?5I bftf) ."OAS C 109M iSbe stA°Sore b'l~sW *5 ls mTo8O\.. ! .. ..... ... ..... , .,.ID.-0,an;r .l~ [se I., Ok fltllt ;uc~ i*q p n ij/ ' 8, sDA,.".4+/-. (3? S' es 0' ..4.e.3.I.1 .... 3... ..T.. .... ..-....... /tk.S 7. *Al ipis*. 13. 455p.tA ...se$ ..d* *.d~e (3.. *r 958 TOMP~niO .0S 4 6- / 1.-32AC ... t;! de8... .lisl_41... (Na; WAI "sl~e La WAO 83*a Th. class'db I AOQ d.19 *..orals a.. b l..4b .f~e8, .*.jb.5.3 ( .E34tl oI ~a., ..7A th.8is o.8 1 Csr.$eg ,'rs.ly. a st..e0ds .all84 noI..'.'.9 ..8...I0al... to 14 7h I$. 24Iy. II. tar8 'ig 48I" *I. a' ..----n ./f -NAL rI.I g O by3" LETDOIN UHE lFtO 3.6 EA4 All-..,pol.a tt. 48 Mn.1'41a .wl#",44p 1%. t,, N 1A..bI '5. 1 ..b. In. t*.VALt .E.I a-sIn .fat stoppart 3.cm~li I.A*11, AEEitInl EI.Asiefle 5*' -pto1id.d is, Us9 in the -* c.at.sstl.9i. 00061. 0#1.".. NSC-912 s... G-43 Ps.t Asili plal to TYACI... ..A.~-units$

• IP..rvia.

COWPAMNO DWG&4W4848-Dc4;D-ISOMETRIC-STATICICHEAMAL L. S0SM)C L~I81. 2~4D -ANALY595 OF 3' LETDOWN LINE FROM 11CL p61. _4 oF CROSSOVJER LEG LOOP 3 TO REGENERATrVE HEAT EXCHANGER MAF WATTS B3AR NUCLEAR PLANT]I~TENNMESELVALLEY ALIrhO8UT Set CoM

• CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE No.:WBI-DWD-004C SHEET / OF "5 DATE; 10/2712003 AREA: LOOP 3 ____RLVWP NO.: 8010 ELEV: :702'INSPECTORS:

C. G. WALLS, MIKE SO,,,E,'......REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 590955-072C,'SH. 1, REV. C *_:_Tools: 47W406-328, REV.E -_Drawings Flashlights ... .. .:_Ladders =_Cameras- i Binoculars i T ape m easure ....... ..... ..... .. ..... ... .. ._ _Sample bags Pens/markers "__INSPECTION LIST: ITEM NO. DESCRIPTION 1 [Verify installation of insulation as documented in existing plant drawings and/or documentation. 2 Inspect and mark up layout drawings to show any undocumented Insulation. .3 [ !nspect and determine longitudinal seam location and band spacing if necessary. i S4 1 Document any irregularities of the general condition of the piping insulation. 5 IInspect and mark up layout drawings to show any undocumented fibrous insulation (e.g., within rupture restraints). .....__6 [. Inspect and mark up cable tray drawings.to, show location of fire barriers (vertical and horizontal). 7 I Inspect the area for any weak components that could be dislodged by jet and that could be transported to sump. I 8 1- Inspect any equipment insulation in the area.9 Inspect and document the general cleanliness of the area.10 Inspect and verify any fibrous materials inside electrical components and cabinets COMMENTS.3" LETDOWN LINE AT RC LOOP 3 INTERIM LEG ...................CONTINUED TO WALKDOWN PACKAGE NO. WBI -DWD-008C. --TVA CONTRACT NO. 93NNS-75645C ..r......... .. .... ...Prepared By: Checked By...... ... ................

1. ....... ........ ...... .......C G. WALLS MIKE SOL LIEA<4*---

Date. A/ 7/- f'Date -. 3/4: TVAW001-PROC-01. Rev. 0 Attachment A C..C..: .. ........ ...... ..C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS W ALKOOW N PACKAGES: .W BI.-DW D-004C SHEET SZ OF ."1!" _ _. .. ...._ ..... ..PROBLEM INSULATION INSULATION CK BUCKLE STRAP OBLEM jLOCATION ELEV. AREA DESCRIPTION OD (IN LENGTH INSULATIONTP INSULATION LUME.NEACKET UUCTLE vTRAP COMMENTS NUMBER ,. ... TYPE (I FT3) MATERIAL TYPE TYPE",Q .LOOP3 7C2' i 4 LETDOWN LINE 350 1325 RMI 325 6.34 S.S " ST. N/A IO'ODINSULATION

t. ...... ... ... ... .. .....: .. ..t.. ....__....___

WALKDOWN PACKAGE No. WBI-DWD-004C SHEET. OF __APPROXIMATE INSULATION LENGTH: STARTING. FROM RC INTERIM Loop: AT I0' OD INSULATION: LENGTH = 19 +6.5 -+ 10 + 17 + 8.5 + 7 + r'(4.5)(90°/180°) + 63.25 + 19.91 159(1112) = 13.25FT -..... .li!Lnr IA--. Cc-/* --IL j(G44 I Li I~r it. el 4rI.~~1 ~nrEws Pfnt.U SAI. SV~I--------------------- ....t -T .4% W .inLA r P7CD t* ~4 Ir.'6 q~VIMioaro03 If5 We m ~. srvi-thl ta, ct~sf ,lgmr"E*ll MC- MC JbIasi %MIS zttijiti Wf" 14 SIeUS. Tht!-U11 AAf..I=.P6QViuLC nR WtL& 11spcr.ON. -~4 m~ ruti OfT9Rua U 40*L. W$UtAAIC TO 99 UWAT*W INII uiWtCAL StcultudcL

m. SUAO 70 CL tA..( L S.

• 01L10,,D,.IL syto- Moo S.'s 9X- Pjv waD lvD tim cwG l-mow-ruc 100~33c4Q~

.~ 3~LTDC'Pfl LINENMW OWC~FRCJINTEPIm Er.~ TVA WATTS BAR JcLEA1 PLANT 1*ETIl StIll AICh &.O ~ -~A ~fl4 I' F

• II W LW3 Ie -Z , , , U Y I T J f -1v I I JAII- V.tD -Oa aZCf P-4 7 eS

.0-~~.. ....~ ......' *** ............... 5--I _11171=1n, .. ....r F UNI ISOSTU 2c4'. '/ M CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR NN, P. UNIT I WALKDOWN PACKAGE NO, WBI-DWD-004D SHEET , OF D 0220 IAA RWP AR0.: LO010 3 j ILEV: 7 2' ........ 3 .. .... ... ... ...................................................................... F-.....!INSPEC-TORS: I C. C" .'01LS , MK ' S *REF. MATERIALS; .Pipini7[' & Equipment Cal Tra Drwn___________ SH. 3. REV. oJ *-- -----...._ _......... 5 9 9 i .0 3 .... ..... ... --- ............................ .__....._ _..aw....n..s. ............ ... 590955033t'. .SH 3,.REV. A *...-................ ........................... ... ............... ................. ..................... ....--- --- -- .es r ., .... ... ..... ..... ..... .......... ... ...S ,[ .......... ................................................... ........................ ..LersImarkers INSPECTION LIST;ITEM NO. _ DESCR::TiON 1 instauiatio31 of Insulation as documented in exislirng plant ,irawings and!or docuentataion. ...2 Inspec and mak up layout .awings to siow any undocumented insulation. I sinspect ans daternine ior-itudinal seam location and band spacing if Document a" i ~laritics of Ihe ceriara conition of the ppi__nins_ __a!__n... .............. ........... ...... ... .... ..I Inspect and rýak tip layout drawings to snow any undocumented fibrous insulation (e.g., within rupture I,--- restraints)..B inspect ad mark up c.able. tray drawinigs to show iocation of fire barriers and horizontal). 7 i Inspect the aroa for any weak components that cou'd be dislodged by iel and tiat ccuod be transported to su2p 8 1 irispuct any equipment insulation in the. ra ____________ P! ..... 1 ... .................... 9 .nspe. :and document 'he peeneral cleanliness of ltfi' area.10 .Ispect ald verify a.n --'fibr-u ir.&de eletrical com-)onents and cabinets..-COMMENTS_____ _ .AGTOR COOl ANTPUMP' _______________

---

_ .... .. ... .. ... .. ... .. .. ... .. ... .. ... .. ... .. .... ._.....................

.......... .. .................. ...................... .. ...... ......... ........................ ................... ..... ........... ...... ................ ..... ..........Prepared By: Checked By: C G. W ALLS ... ......"...__...MIKE SOLUE ....: .." Date: / , ..Date: __ _ _ _ _ _PVAWDOI-PROC*-O1, Rev. 0 Atcmn Attacliment A C'-C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PA CAGEff: W34D4 SHEET. OF 9 ___Pqo!3;LC. LOCATIONJ ~1E REA Du Lo 3NMM1 INSULATION TMOCNESS VIOLU N! JACKT BUCK.LE sTIrAP CMET--' -, ----------...._ ._ _ ....... ........ ..... ....... ..........

---

---- ---- ._ _..........

.....I.......-------- WALKDOWN PACKAGE No. W21..DWD.-004,D SHEET EL OF .AT PUMP: (CONSIDER INSULATION T.ICKENESS = 2 75')V 82)1 x 121(6.1i [(2 2 -,,42)14 x 2.7$] -.(55.X-.,6." -, ........ , x 36.831 (-riX.69 2 x 2.75) =5588(U!23) = 1MAP7r AT COOLANT NOZZLE COVER: V (/:-. 4.5 X 46 X 2.75) + 2,127.2,5. x 41,.C- x 2.75) ,, 2(40.5 x 27.5 x ?35)+ 2(1.8.5 x 27.,5 x 2.75) -(xi7.".2 x 2.75) 1 183519(1/123)= 10.8FT 3 Ar SUPPORTS: (SEE VIEWS A-A & L.-L)V 206) x 36.83 1 2.75) + -2(383 !X 1.25 x 2.75) 4- 2(148 x 2L x 2 75)-14. x. 2,75) + .--72110j 68080(i/I-") -.AT Su.Po.i: (SEE VIEW K-K).v = 208.. x x .2.75), # 20'6,83. x 18 ;.85, x , -,5 x 2.,75)*. ,0.52 -72.110 = 7307(11i/2) -,.3FT3 TOTAL VOLUME : 32,17 .I.. 16.25 + 4...2n....... C ._ _ _ .._....._ _........___..............S; ..........--... ziCY,;5Y ~7:.4fi er Al..... ..w s')-t A.V\4 MCTV A-Z) -..2. ......1........ ....../ j ~4~4?'~ ~ ~ / '2'~2 74 r ow;.2 Ali~4* Q~p KIS -D 1-----7-ýllcý '(17 OF-4Z CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO.WBI-DWD-004E SHEET 1_ Q OF 3 DATE: :11/25/2003 AREA: LOOP 3 RWP NO.: 8010 ,,. I ELEV: 702 INSPECTORS: FRANK C YAO, MIKE CALDWELL REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 47W2500-3 1-47W243-6 Tools: 1-47W243-7 Drawings 1-47W243-8 Flashlights 47W331 -1 Ladders DCN NO W-32667-C Cameras.Binoculars Tape measure Sample bags Pens/markers INSPECTION LIST:.ITEM NO. DESCRIPTION I Verify installation of Insulation as documented in existing plant drawings andfor documentation.

2 Inspect and mark up layout drawings to show any undocumented insulation.

3 Inspect and determine longitudinal seam location and band spacing if necessary. 4 Document any irregularities of the general condition of the piping insulation. Inspect and mark up layout drawings to show any undocumented fibrous insulation (e.g., within rupture:5 restraints). 6 :Inspect and mark up cable tray drawings to show location of fire barriers vertical and horizontal). 7 -Inspect the area for any weak components that could be dislodged by jet and that could be transported to sump.8 Inspect any equipment insulation in the area.9 Inspect and document the general cleanliness of the area.10 I Inspect and verify any fibrous materials inside electrical components and cabinets COMMENTS CONTAINMENT VESSEL PENETRATIONS __________O-w JP 4,I Prepared By: Checked By: FRANK.CYAO. Date: 11/25/03 MIKE CALDWELL,ý2,ý 4 2 4~k.W/Date: 11/25/03 67'TVAW001-PROC-01, Rev. 0 Attachment A C C C.WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGEN: WBI-OWD-004E SHEET 2 OF 3 .. .. ...... .... ...........P-LENGTH INSULATION INSULATION INSULATION JACKET BUCKLE STRAP NUBE OCTINARA ECRPIO O IN (F) TYE THICKNESS VOLUME MA .TERtAL "TYPE TY'PE COMMENTS{ (FT) TYP1N) (FT3) __________________ N/A LOCP 3 702 4 CALCIUM SILICATE SEE CALC SEE CALCIUM SEE CALC 42.240 NA NA NA SEE CALCULATIO N........... .. WB1-DWD-004ES SHEET 3 OF 3 CALCIUM SILICATE IN PENETRATION VOLUME OF CAL SILICATE (RACEWAY)PIPE OUTSIDE DIAMETER = D LENGTH FROM STEEL CONTAINMENT TO INS CRANE WALL = L OUTSIDE DIAMETER OF INSULATION = D" THICKNESS OF INSULATION =T NET INSUL.XSECTION PEN NO :D(IN) T(IN) D'=D+2T {A(SQ IN) L (FT) V (CU FT)X-13C 32.0 3.5 39.0 390.344 15,583 42.24 TOTAL= 42.24 K"}}