Text

WB1-DWD-015A, Containment Debris Walkdown Package Watts Bar N. P. Unit 1.
	ML063060251
Person / Time
Site:	Watts Bar
Issue date:	10/15/2003
From:	Caldwell M, Carol Walls; Enercon Services
To:	; Office of Nuclear Reactor Regulation
References
	GL-04-002, TAC MC4730, TVAW001-PROC-01, Rev 0 WB1-DWD-015A
	Download: ML063060251 (268)
	v • d • e

{{#Wiki_filter:CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE NO. WB1-DWD-015A SHEET 1 OF 4 DATE: 1011512003 AREA: 115 .1RWP NO.: 18010 1 ELEV: 1716 INSPECTORS: .1 FRANK C YAO,- MIKE CALDWELL REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 47W2500-6 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. 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 librous materials inside electrical components and cabinets COMMENTS MIN-K-WRPIPE IDENTIFIER: .1PM6689F APPROXIMATELY AT AZIMUTH -162w THICKNESS OF MIN-K = 0.5" ELEVATION 733'AT RADIUS OF 44' FROM CENTER OF REACTOR.BUILDING HORIZONTAL CONDUIT MARINITE BOARD APPROXIMATELY 1"THICK 4' BYt2" Prepared By: Checked By: C. C ALL DW _ -GW-L MIKE CALOWELL Date: 10/15103.Date: 10/15103 TVAWOO1-PROC-01, Rev. 0 Attachment A c*C' .(c WB1 -DWD-O1 SA-SHEET 3 OF4 INSULATION CALCULATION

MIN-K S WIDTH ILENGTH ITHICKNESS JVOL (IN) IVOL (CU F)SIZE = 19.000 112.000 10.250 127.000 10.016 INSULATION CALCULATION MARINITE lWIDTH ILENGTH THICKNESS IVOL(IN) IVOL (CU F)SIZE = 14.000 112.000 11.000 148.000 10.028, t-CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1*WALKDOWN PACKAGE NO. WBI-DWD-015B SHEET 1 OF 3 DATE: 11/03/2003 AREA: FAN ROOM 2 :RWP NO.: 8010 ELEV: 716'INSPECTORS:

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

Piping & Equipment Drawings:

Cable Tray Drawings: 590955-048C, SH. 1, REV.C C Tools: .590955-048C, SH. 5, REV. D *:Drawings 1-47W435-220A,.REV. 0-flashlights Ladders Cameras :_:Binoculars Tape measure Sample bags:Penslmarkers 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 6" LOWHEAD SAFETY INJECTION CONTINUED ON WALKDOWN PACKAGE NO's WB1-DWD-01 7B & -018A.* TVA CONTRACT NO. 93NNS-75645C C. G. WALLS (A7 .i1Y.Prepared:By: y Checked By:-Date: 11/3/03 FRANK C. YAO -Zj Date: 11/3/03 TVAW001-PROC-01, Rev. 0 Attachment A C C C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WBI-DWD-0158 SHEET 2 OF 3 .............. ...... ...... .. .LENGTH INSULATION INSULATION INSULATION JACKET BUCKLE STRAP ATI AREA DESCRIPTION OD (IN) THICKNESS VOLUME COMMENTS P.UMBER 8 .L.E L0 ' N L V ........ .. (F ) T P (IN) (FT3) ..... .... .. .. .NUMBER ___________j____ (FT) TYPE (I)MATERIAL TYPE TYPE OrC200 FANROOM 716 15.. LOVHEADSAFETYINJECTION 6.63 46.09 RMI i8;75 933 SoS. STD N/A 9"OOINSULATION 02 2 06002009-FAN ROOM 716' 15 LOWHEAD SAFETY 5.63 2.25 RMI 06575 025 S.S. STD N/A V OD INSULATI6N 02 2 0600200 FAN ROOM NcN T.63 0.85 M NA 9OMIN-K INSUATION 02 2 71h i5 LOWHEAdSAFETYiNJEC 003 STD MIN- 1.1875 ,. ~ ~ ~ ~ ... .... .. ... + + WALKDOWN:PACKAGE

No. WBI-DWD-015B

SHEET OF _3-.APPROXIMATE INSULATION LENGTH: AT 8" OD INSULATION:

LENGTH = 26.:84(I/12)= 2.24FT AT 9" OD INSULATION: LENGTH = (160.88 26.64) 4 (161.12- 6.62) + (298.88 10.09 -8.38)= 553(0/12) 46.09FT AT 9" OD MIN-K INSULATION: LENGTH = 10.09(1/12) = 0.85FT CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WBI-DWD-015C SHEETI OF 5 DATE: 11/12M203M AREA: FAN ROOM 2 RWP NO.: 18010 ELEV: 716.INSPECTORS: FRANK C YAO, MIKE CALDWELL REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 47W2500-6 45N862-10 Tools: 47W2500-7 45N862-11 Drawings. 45N862-12 Flashlights DCN .11727-D Ladders :-FOR;304-1 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 CONDUIT 1PM8020D 1 -PENT-293-38-D Prepared By: Checked By: FRANK C YAO MIKE CALDWEL:Date:*Date: 11/12/03 11/12/03 TVAW001-PROC-01, Rev. 0 Attachment A C C C.. .. ......... ........................... WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: W BI-DW D-015C SHEET2 OF 5 ......... ..... ,.,. ................ ........ ... .. ........... LEGT NSLTININSULATION INSULATION .......... ......INSULATION INSUVOLULO JACKET BUCKLE STRAP COMMENTS PROBLEM LOCATION ELEV. AREA DESCRIPTION OD (IN FT) TYPE TIN) VOLU MATERIAL TYPE TYPE NUMBER L....T..T..C..NESS.V.LU.MEFMATERIAL. TYPE TYPE U 716 is N SULATION 3M 2.375 47.50 3M20c SEE CALC 2.479 .NA N A NA SEE CALCULATION 2/ A OM 76 1 RADIANT N A FAN ROOM s15 15 SUPPORT N'iA NA 3M20C SEE CALC 0.770 IIA NA NA SEE CALCULATION 2 ......... .........tiA 'FAN ROOM 715 1i sO) NA NA 3M20C SEE CALC 2.0e1 NA NA NA SEE CALCULATION 2 WB1-DWD-015C SHEET 3 OF 5 AREA-15:3M-M20C RADIANT.SHIELD CALCULATION

2" DIA. CONDUIT (OUTSIDE DIA = 2375")3 LAYERS 3M-M20C FOR CONDUIT:PER NOTE 1A DRAWING 1-47W243-6 DETAIL C-8 AND NOTE 6 DRAWING 1-47W243-8 SPECIFIES 3 LAYERS WRAP.D=DIAMETER OF CONDUIT IN IN" FIRST LAYER TIGHTLY AROUND CONDUIT SECOND LAYER IS 1.5D DIAMTER CIRCLEXI.2 THIRD LAYER IS 1.5D RADIUS HALF CIRCLE+ 8" 2" LENGTH = 35+2512 = 47.5'2" DIA. A(SQ IN)CONDUIT PERIMTER ( PER LIN PER LIN FT D(IN) IN) FT.1ST LAYER 2.375 7.46 89.54 2ND LAYER 3,5625 13.43 161.16 3RD LAYER 7.125 19.19 230.30 TOTAL SQ IN PER LIN FT 481.00 CU FT OF 3M-M20C (3/16" THICK) 0.0522 CONDUIT LENGTH IN THIS AREA 47.5 TOTAL CU FT OF INSULATION

= ý:2,4797 VWBl-DWD-015C SHEET 4 OF 5 AREA 15 3M-M20C RADIANT SHIELD CALCULATION ASSUME A=12" WITH 2x2:SQ TUBE, BASE PLATE SIZE =.9x9 TWO LAYERS OF 3M FIRE BARRIER M20C FOR SUPPORT COVER BASE PLATE.6".ALL AROUND..COVERED AREA (ONE LAYER)BASE PLATE =B+6+6 B+6+6 A (IN) A (SQ FT.)21 :21 ,441 3.06 L 4xWIDTH CANTILEVER MEM = 12 SUB TOTAL PLUS ENDS ETC 10%ONE LAYER TOTAL=TWO LAYERS = 2XTOTAL=EACH SUPPORT M20C.FOR 3116" THICK IN CU FT =8 96 0.67 3.73 0.373 4.10 6.20.0.128 .0 77 ASSUME SUPPORT SPACING IS 10 FT CONDUIT NUMBER OF SUPPORTS FOR 2" DIA. CONDUIT=47.5/10 + 1= 6 NUMBER OF'SUPPORTS TOTAL = 6 TOTAL CU FT.OF 3M-M20CFOR SUPPORTS = WB1-DWD-015C: AREA 15 3M-M20C RADIANT SHIELD CALCULATION SURFACE AREA CALCULATION OF JUNCTION BOX FOR ONE LAYER: A (IN) B(IN) C(IN) AxC+BxCj SI 36 30 I24 1 5328 1 Q FT ADD 20% WRAP 37 I 44.4 PER NOTE IA OF DRAWING 1-47W243-6, 3 LAYERS OF M20C SHALL BE PROVIDED.THICKNESS(I" TOTAL AREA FOR3 LAYERS SQ FT N) TOTAL VOL :(CU FT)133;2 0.1875 ,..L:: 2.081 CONTAINMENT DEBRIS WALKDOWN PACKAGE: 'WATTS BAR:N. P. UNIT 1 WALKDOWN PACKAGE NO. WBI-DWD-015D1 SHEET I OF _,ýDATE: 1111912003 -AREA: FAN ROOM 2 1RWP NO.: 18010 ELEV: 715'INSPECTORS: I .C:.G. WALLS, FRANK C. YAO*REFMATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 590955-088C, SH. 1, REV. B *Tools: 590955-088C. SH. 5, REV. B *Drawings 47W400-209, REV. E Flashlights 1-47W400-209A, REV. 0 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 1 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_12"3"/4*

STEAM GENERATOR BLOWDOWN LINE (LOOP 2).CONTINUED ON WALKDOWN PACKAGE NO's WB1-DWD-001L& -007P.* TVA CONTRACT NO. 93NNS-75645C Prepared.By: Checked By: C. G. WALLS FRNAK C YAO_:Date: 11119/03 Date: 11/19/03 TVAW001-PROC-01, Rev. 0 Attachment A .C C WALKDOWN PACKAGE NO. WBI-DWD-015D SHEET 3 OF APPROXIMATE INSULATION LENGTH: START FROM PEN. MARK NO. 426: AT 9" OD INSULATION (4" PIPING): LENGTH = 15 + 1.75 + [m(6)(45 0/180 0)] + 14.31 + 36.09 + 36.09 + 28.25 + 4.5=141(0/12)= II..75FT AT 7" OD INSULATION (2" PIPING/VLV): LENGTH =12.88 + 7 = 19'88(I/12)' I.66FT CONTAINMENT DEBRIS WVALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWYN PACKAGE NO. NNBI;DWVD-OI5D EXCERPT FROM DRAWING I-47WV400-209A.A-4 -Il/li-J3.C: -IO- I,- ,/a:se Do 1? 3P$* It ~ .4 ;O I itul O MArA E .-C~~~wr ActI1 454-S A! ,, A 50--l I I VEC Ou.lOS. -05 SIIEET4OF 5 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WBI-DWD-007P EXCEIlPT.FROM DRAWING 47W400-209 SIIEET5 OF 5. CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N.P. UNIT I WALKDOWN PACKAGE NO. WB1-DWD-015E SHEET IOF DATE: 11/19/2003 1AREA: .1 FAN ROOM 2 RWP NO.: 8010 1 ELEV: 716'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. 11, REV, C Drawings 1-47W400-210A, REV. 0 Flashlights Ladders Cameras Binoculars Tape measure _ ........Sample bags :_1 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 1"2'/3Y/4" STEAM GENERATOR BLOWDOWN LINE (LOOP 3).CONTINUED ON WALKDOWN PACKAGE NO's WB1 -DWD-008L & -001M.TVA CONTRACT NO. 93NNS-75645C

C. G. WALLS ( ýa Prepared EBy: Checked By: Date: 11119/03:FRNAK*CYAO C , -Date: 11/19/03 TVAW001-PROC-01,:

Rev.0A Attachment A C c C WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS WALKDOW N PACKAGE#: W BI ODW -.015E SHEET .ý OF_ .. ...... ................. ...... ..... .. ., NUMBER ATONEL ARAECRPTON OD( LENGTH INSULATION ]INSULATION INSULATION NUOBLER LO6AfON tLEL AREA DESCRIPTION 0(IN) LE(m SLTYOE THICKNESS VOLUME JACET TUKE TYP COMMENTS NUBR(FT) TYPE (IN) F3) MATERIAL TYPE TYPE.~~(N .F 3 ....,. ......... ......... ..... ...TEA E" AT0 ... ...... ... ......0600200 FAN ROOM 716, 15 STEAM GENERATOR 4'50 11.05 RMI 2.25 366 S.s; STD N/A 9"ODINSULATION BLOWDOWN 0600200 FAN ROm 7 STEAM GENERATOR 2.38 0.82 RMI 2.31 0.19 S.S. STD WA 700 INSULATION 03 2 BLO,"DOWN 0600200 FAN ROOM 716 15 STEAM GENERATOR 2........IN O 03 2 BLOWDOWN 2.33 0,W RMI 2.81 0.0 S.S. STD NIA WOO INSULATION ......... , , ..I ........ ................... ..... .... .. ...." .............~~~ ~ ,. .. ... ................. ....."". .. ....................... ...... I ..........i ......* -.-'.' '.:. :.: " " " l " .....J " ' ' " :. ................i ......i... ..... ... .....................~ ~ ~ ............... .......................l .. ....l ..... WALKDOWN PACKAGE No. WBI-DWD-015E. SHEET., 3 OF OF APPROXIMATE INSULATION LENGTH: START FROM PEN. MARK No. 427: AT 9" OD INSULATION (4" PIPING): LENGTH =-6 + 12.63 + 25.63 + 17.12 + 21.72+ 17.28 + 32.12 = 132.5(1/12) = 11.05FT AT 7" OD INSULATION (2" PIPING): LENGTH =,9.75(1/12) = 0.82FT AT 8" OD INSULATION (2" PIPING/VLV): LENGTH = 7(/12) = 0.59FT CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WI I-DWD-015E EXCERPT FROM DRAWING 1-47W400-2 1 0A SIEET4 OF 4 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR:N. P. UNIT 1 WALKDOWN PACKAGE NO. WB1-DWD-015F SHEET I OF 4 DATE: 111/25/2003 AREA: FAN ROOM 2 RWP NO.: 18010 ELEV: 716'INSPECTORS: C, YAO, MIKE CALDWELL:REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings:* 590955-1 10C, SH. 1, REV.A A Tools: Drawings Flashlights Ladders Cameras LBinoculars .......J 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'MIN-K INSUL.ATION Prepared By: Checked By: C. G. WALLS Date: .11/25/03 MIKE v, Kt', ý-4--'Date: 11/25/03 TVAW001-PROC-01, Rev. 0:Attachm~ent A ... ....* .,... .,., C=.. .C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WB1-DWD-015F SHEET 2 OF 4 PROBLEM LENGTH INSULAT INSULATION INSULATION LOCATION ELEV. AREA DESCRIPTION ODUIN)LLENGTHINSULATION!JACKET BUCKLE STRAP COMMENTS LOBE .. .. .ODT YE HCNS VOLUMECOMN , NUMBER (F) TYPE T MATERIAL TYPE TYPE , .. ........ ..... (IN ) (FT.)NA FAN ROOM 716 '5 MIN-K NA NA MIN-K 0.505 0.026 NA NA NA IV/A 2...................................... ..... ...". .". " , ..' " .................I .....-. ... ..:.. .................... ..... ...... .. ..........- -.. .. ... * .... ............... ,.. .......... ....................... ............. ..........] .... WB1.DWD-015F CALCULATION CALCULATE TOTAL MIN-K VOLUME SHEET 3 OF 4 NET INSULATION PIPE OD INS TH TOTAL DIA .AREA (S IN) :LENGTH (IN) TOTAL CU IN [ TOTAL CU FT 1.9 0.505 2.91 3.816 12 45787. 0.026 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P.UNIT I WALKDOWN PACKAGE NO. NWB I-D\D-015F EXCERPT FROM DRAWING 590955-11 0-C (I PM71377A)-?! CLP. (#4 S.1 I VA I~~~~ .I. " v-k i". F--- °___________ %"SUL.-SHEET 4 OF 4.1.4 I.ELE-vAr ict Virw-LIEY. "729)'A7ý--------- CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P..UNIT I WALKDOWN PACKAGE NO.WBI-DWD-016A SHEET I OF 8 DATE: 10/27/2003 1 AREA: I ACCUMULATOR ROOM #1 RWP NO.: 8010 j ELEV: 1716 INSPECTORS: FRANK C YAO, MIKE CALDWELL:REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 47W2500-9. Tools: 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 irregularitiesof 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 fibrousmaterials inside electrical components and cabinets COMMENTS TAGS AND LABELS-DRAWING 47W2500-9 Prepared By: Checked By: FRANK C YAO MIKE CALDWELL~ pk~k Date: -10/27/03 Date: 10/27/03 TVAW001-PROC-01, Rev. 0 Attachment-A c........:,C C WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS WALKDOWN PACKAGE#: WBI-DWD-016A SHEET2 OF 8 ...., ' ... ....PROBLEM LENGTH NSULATION INSULATION INSULATION JACKET BUCKLE STRAP COMMENTS NUMBER LOCATION ELEV. AREA DESCRIPTI0N 00 (IN) WTI TYPE THICKNESS VOLUME MATERIAL TYPE TYPE-______ .I_____ ___ (IN) (FT3)_________________ ACCUMULA NiA TOR ROOM 7-16 16 TAGS & LABELS NA NA. NA m NA NA NA SEE REPCRT FOR CCKMENTS 47W2500-9 QUAD) 1 EL720 TO 737.0 WBI-DWI)-0I6A SHIEET 3 OF 8 47W2500-9 QUAD I EL 720 TO 737.0 WBI-DWD-016A SHEET 4 OF 8 le.4 -- I if 4~1.?~,'~ N 4 $X'I '~ .I-..ý _ý I ý Ill ý I, I, ý.. ýý ., _' " --ý , , .ý , , .I .1ý ý6 ---j I , .-ý '. .2. : '. , ." ý , " , -, .ý. ý.' -,". , , _ , , .Z,-, ý A i , ', -_,ý;, ,ýa7,;;ý'ý' ý ". ý:,- --, , -,ý_ , , ... ;ý_i.V 1-11,1ýp 4. .:_ý. llýV'l t". -_ --J___'.,ýý- , ,ý;.- " ,,&ý- V ýv -1, ý., 'ý 11 -, Jýn ,ý,ý, -ý *i ý .r. , , , 'I I --, I ; li, .ý ;,! , ',ýý ý ,;,; .1 1ý "I .,I., ý!.-- .-,,,",ý 't;: .I .;, , ý, -Z`-ý ý, --S _:ý'ýý',.,;, ,,ýýiý- .,in q '4' ý, ý , .0- 1 "A"....'. ý ý ?" I I 1 f -, I,'- %ý Aý,;,; ý ,ýýA!ý- ý- `ý -,A --, ., -e, -, -+ -M ;, ý,,,ý ,ý , , Sýý. , , -" ýý_;ý .ý t -=,?ý, ý ý,,,KLI'-ýl -,j .. !ý ý I ,ý,.,,9!.;4ý:ý'.ýý,ýý;!";,;".ýl-i-. '%.,-1--l.- i ,,.;:ý ý-ý-ý.-.,'A " tý'i-' ýý', Pý .'_, I ----- -_ý ,- -1 , * ----" ,'ý,ý- ý,l ,r, ,,, 1-. , '. -,- -; ,,,, -, , ý _ý !:ý:-,-,-,-

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".. I iý, " -I.I., K ,-- " .ý ý. .- p _._ ,-.. __, ': -%, '. -, -ý_ .': 4,;", Zý .",'I -P -ý , I I I" .ý. , ,4-,.- _ý ; 1;:ý- ., -ý, ý, , , "k " -- -.1. -- .----ý , ýý, , ý ý , ýý. ý ý I ,_-- , ;-ý; ---.,,,, , -ý% .V , ,ýý .1 ,ý:ý. , ýý-, 1ý .7, 'ý;ý,s -" ---l-,,.P-'._! .!_ý, 11;iý.l .ý llkN I'ý-.ý-,,,.,,-ý,,,;.,ý""zý.';,,ýý,ýýý ý -i:,.,%,.ý '. i ý ý;lfl , "I I I i ,,, , ,T:'e_"l .Wlk ;;ý-_--ý:,.: I., , , .ý-,,'ýý-.1',,-"'ý-",*,-.-,','ý,;::ýý" l T'l, ý*! I ý ý4ý* -ý: .. :- ,ý,-.i ll'j..!,: ý?,,' ..ýý .1-7-, '01,-ýý`. " , ý,ý,ýý ,ýý:-`.`, , ,ý 1 I:f ,ý:"V ý,:,,,,,ý ,;ý -`)`ý`;` ..:- s-.., __111 ',`,ý,'Y_ý'_`_ , I , -,ýý,,ý.,._-_-__ -.1. .-, -, --. , J-,,i, 41iýý :. ý_ '11, .4:ýr"-,.-;-,:*z",',j --_41'ý-,,'..' _:ý ;ý,: ý -iLýzýi!;i 1,ý4ý. ..;, -.- -, ý- 11 ,,, ., --4;;o., , ý, V1,111t, ,;`$il- ý -- "I., 1 .-ý,-," .'...)4,;,ý, I ý- '4,ý-_1- y'-',- ý. ý, --.1ý',- -.'ý,.ý .ý ,,,, ,.-ii .01ýý. 1,;'v iýl.,'.',',..,'.',','ý,ý.,:ý,.-,': `v`, . ý " I .. , ýý_ýý. I ý- I ý , "." ',ý,' ý7ý' ý1111"ý, -, , .,ý?pf!;- ý;- ..- , ".. 1ý ., -.,,.ý,-,,l ,I ',ý ý " ý, ý' ., , .ý , ý-, , ý,'Lý'- -,- 'T. ;;7.,.- 1 ý -, I -,"'; ý";-;,. " "". ,-.' j- -s,ý ý-- -'. " , , . CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I:WALKDOWN PACKAGE NO. WB1-tWD-016B SHEET I OF 6.DATE: 110127/2003 AREA: ACCUIMULATOR ROOM #1 RWP NO.: 8010 ELEV: 718 INSPECTORS: I FRANK C YAO, MIKE CALDWELL REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 47W2500-9 Tools:.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 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. 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 thatcould 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 PAINT CHIPS DRAWING 47W2500-9 1'Prepared By: Checked By: FRANK C YAO -.MIKE CALDWELL2U6.4/?,I. Date: 10/27/03 Date: .. 10/27/03 TVAW001-PROC-01, Rev. 0*Attachment A c C C WATTS BAR NUCLEAR PLANT UNIT I WALKDOWN RESULTS WALKDOWN PACKAGE#: WBIDWD-016B SHEET 2 OF 6 .. .... ... ...PROBLEM E(IN LENGTH INSULATIN INSULATION INSULATION jACKET BUCKLE STRAP LOCATION AREA DESCRIPTION OD THICKNESS VOLUME COMMENTS NUMBER (FTI LTYON MATERIAL TYPE TYPE ACCUMULA N AA TOR ROOM 716 16 POTENTIAL PAINT CHIPS NA NA NA NA NA NA NA NA SEE REPORT FOR PAINT ISSUE 47W2500-9 QUAD I EL'720 TO 737.0 WBI-DWD-01613 SHEET 3 OF 6 r-..~ ........ ....................* ..* .......-. -..-.-.-.- .................. I-~&A ~( S.~- ~ -~~, J~ rji-V CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WBI-DWD-016C SHEET I OF 10 DATE: 10/27/2003 AREA: ACCUMULATOR ROOM #1 RWP NO.: 8010 ELEV: 716 J INSPECTORS: FRANK C YAO, MIKE CALDWE'LL REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 47W2500-9 Tools: Drawings Flashlights Ladders Cameras Binoculars Tape measure Sample bags Penstmarkers 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 MIRROR INSULATIONS DRAWING 47W2500-9 Prepared By: Checked By: FRANK C YAO ,L..,C--S _ (.MIKE CALDWELL, -7<ýZ../6// Date: 10/27/03 Date: 10/27/03 TVAW001-PROC-01, Rev. 0 Attachment A C C C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WBI-OWD-016C SHEET 2 OF 10D PROBLEM LOCATION AREA DESCRIPTION 00 LENGTH INSULATION INSULATION INSULATION JACKET BUCKLE STRAP COMMENTS NUMBER LOAINELEV. ARA DSRPIN O N FI TYPE THICKNESS VOLUME MATERIlh~ TYPE TYPE CMET IUBR____ P (IN) (FT3) I" ACCUMULA SEE SEE.. SEE SEE SEE SEE WB1.OWD-014D, -014E, -16F NIA TOR ROOM 716 16 MIRROR INSULATIONS S MEE CALC NA NA COMMENT COMMENT COMMENT COMMENT COMMENT -16G i ...... ..I 47W2500-9 QUAD 1 EL 720 TO 737.0 WVBI-DWD-01 6C SIIEET3 OF 10 47W2500-9 QUAD I EL 720 TO 737.0 Wlil-DWD-016C SHEET4 OF 10 1 F_ .... ....Nixt 40-7 4-4',' ,~.a'~"a.-7 C I I'

CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE NO. WB1DWD-016D SHEET 1 OF 3 DATE: 10131/2003 AREA: 1 ACCUMULATOR ROOM 1 RWP NO.: 8010 ELEV: 716'1INSPECTORS: C. G. WALL.S, FRANK C. YAO REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings:.590955-.O48C. SH, 1,..REV..C Tools: 590955-048C, SH. 10, REV. C:Drawings 1-47W435-260B, REV. 0:Flashlights ... ... ..Ladders-Cameras:Binoculars Tape measure .....Sample bags ....ýPensfmarkers

INSPECTION LIST: ITEM NO. DESCRIPTION I Verify installation of insulation as documented in existing plant drawings and/or documentation.

2 Inspect and mark tip 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 6"LOWHEAD SAFETY INJECTION CONTINUED ON WALKDOWN PACKAGE NO's WB1-DWD-0,GK & -014J.STVA CONTRACT NO. 93NNS-75645C Prepared By: Checked By: C. G; WALLS Date: 10/31/03 FRANK C. YAO, Date: 10131/03 TVAW001-PROC-01, :Rev. 0 Attachment A C C C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOW NPACKAGE#: WB1-DWD-016D SHEET2 OF 3 ....... -.............. SHEET' ............. 2 ...... ................ ...PROBLEM *.

LENGTH ION INSULATION INSULATION JACKET BUCKLE STRAP COMMENTS LELEV. AREA DESCRIPTION OD (IN) -THICKNESS VOLUME MATERIAL TYPE TYPE NUMBER LOC...ON ELEV( FT) (IN) (FT3) MATERIAL...PETYPE 05C0200

]ACCUMULA .. .. ....... ......ST./A.TOR ROOM, 715' 16 LOWHEAD SAFETY INJECTION 613 16.24 RMI S; S.S. SOD N/A 12 0 INSULATION 01 S ....... .... ...... .ACCUMULA OCZO. TOR ROOM 716' 16 LOH EAO SAFETY INJECTION 6,63 2.17 RMI 86875 63. S.S. STD N!A 24 O0 INSULATION 01 1 ACCUMULA TOR ROOM 716" 16 LOVHEAD SAFETY INJECTION1 2.38 8.16 RMI 2.3125 1.93 S.S. STO NjA 7' OD INSULATION 01 -ACCUMULA 05C0200 TOR ROOM 716' 16 LOWH-EAD SAFETY INJECTION 1.05 043 RMI 1.8125 0.05 S S. STO NiA 6 OD INSULATION 00c0200-Og-ACCUMULA* TOR ROOM 715' 16 LOWHEAD SAFETY INJECTION 105 084 MIN-.K 0.25 001 SS. STD alA THK MIN-K INSULAt"IO 060200-00-w ACCUMULA O0 TOR ROOM 71i' 16 LONWEAO SAFETY INJECTION 1.05 0.40 MIN-K 2.2 0,D' S S. Sro NIA 3.25" 00 MIN-K INSULATION 01 WALKDOWN PACKAGE NO. WBI-DWD-016D SHEET __3- OF _3__APPROXIMATE INSULATION LENGTH: START FROM CRANE WALL: AT 12" OD INSULATION: LENGTH Z3 4 7r(9)(9 0°/180') + (131.35 -6) + tk(9)(900/1800) + 9.88 + 9.37 +.20.68 = 197(0/12).= l.6.42FT AT 24" ODINSULATION (VALVE #1-8818A): LENGTH = 26(1/12) = 2.17.FT AT 2" DRAIN LINE: AT .7. OD INSULATION: LENGTH = 15.5 + 6 + 25 + 6 + 3 + L + 3 + 6 4 3 + .11.56+ 14.75 = 97.81(1/12) = 8.16FT AT 6" OD INSULATION (3/4"' PIPING): LENGTH = 5.15(1/12) 0.43FT AT 0.25" THK. MIN-K mINSULATION (3/4" :PIPING): LENGTH 10(1/12) = O.84FT AT 3.25" OD MIN-K INSULATION (3/4" PIPING):: LENGTH = 4.75(1/12) = 0.40FT CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BARN. P. UNIT I WALKDOWN:PACKAGE NO; WBI .DWD-016E SHEET I OF 3 DATE: 11/03/2003 AREA: ACCUMULATOR ROOM I RWP NO.: 8010 ELEV: 716'INSPECTORS: C. G. WALLS; FRANK C. YAO REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 590955-064C, SH. 3. REV. D Tools: 590955-064C. SH. 4. REV. D:Drawings Flashlights.-Ladders Cameras..Binoculars Tape measure: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 W8 RESIDUAL HEAT REMOVAL CONTINUED ON WALKDOWN PACKAGE NO's.WB1-DWD-006M & -014L.*TVA CONTRACT NO. 93NNS-75645C Prepared :By: Checked:By: C. G. WALLS ".., FRANK C. YAO , --, .Date: 11/3/03 Date: 11i3103 TVAW001-PROC-01, Rev. 0 Attachment A C.C............ ........ .... ........ W ATT BAR... ..,,,.,,. ,-,.il -=^ ^ 'rU I 1W A K D N WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS WALKDOWN PACKAGE#: WBI-DWD-01E SHEET 2 OF 3 ......... RESULT. ........I_.............._..... PROBLEM LEGT INUAINISLAINISLTO JACKET BUCKLE STRAP CMET NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) LENGTH INSULATION THICKNESS VOLUME MATERIAL TYPE TYPE ACC*MULA {FT) TYPE (IN) (FT3) MATERIAL TYPE__TPE ACCUMULA NIA TOR, ROOM 716' 19 RESIDUAL HEAT REMOVAL 8.53 2259 RUE 1187 400 S'S. STO N/A 20" OD ifSULAtiON ACCUMLJLA N/A TOR ROOM 715' 16 RESIDUAL HEAT REMOVAL 8.63 2.25 RMI 1x.875 .00. S.S. STO NIA 12" CD INSULATION ACCUMULA N/A TOR ROOM 710' 16 RESIDUAL HEAT REMOVAL 2.63 4.50 RMI 1-87 1.047 S.S. STD NIA irOD INSULATION ACCUMULA MIA .TOR ROOM 716'1 16 RESIDUAL HEAT REMOVAL 2.63 8 2.25 RM f 1. 31 04 7 00 .5. STD N/A -20 OD I NSULAT ION ACCUMAJLA N/A TOR ROOM 716' 16 RESIDUAL HEAT REMOVAL 2.38 0.88 RUI 2.31 0.21i S.S. STD N/A 12 OD INSULATION ACCUMULA NIA TOR ROOM 716' 16 RESIDUAL HEAT REMO'VA.L 1.06 0.71 RMI 2.47 0.14 SS.. STD N/A 6" ODONSULATION .... .~~~ ~ ~ .... -............ .... .... ,;. ...,. .... .,, WALKDOWN PACKAGE No. WBI'DWD-016E SHEET - OF _3.__APPROXIMATE INSULATION LENGTH: START FROM CRANE WALL: AT I1" OD INSULATION (8" PIPING): LENGTH = 8.75 + :17.75 + =T(12)(45°/180°) + 21.75 4 7T(12)(90°/1800) + (94.:62 -5) + n(12)(900/180") + 10.25 + 3 + 71(12)(900/1800) + rr(12)(90 0/1800) + 2.62 = 259(1/12) l19.92FT AT 20" OD :INSULATION (VALVE I-CKV-63-640-5)

LENGTH = 27(1/12) = 2,25FT AT 12" OD INSULATION (8" PIPING): LENGTH = 31;68(1/12)l=

2.64FT AT 5" OD INSULATION (2.538" OD PIPING): LENGTH = 2.75 + 5 + 6.75 + 5 + 6 + 20.75 + 7.75= 54(0/12) = 4.5FT AT 7" OD INSULATION (2.38" :OD PIPING): :LENGTH =110.5(1/12) = 0.88FT AT 6" OD INSULATION (1.06' OD PIPING): LENGTH = 8.5(1/12) = 0.71FT CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BARN. P. UNIT I WALKDOWN PACKAGE NO. WBI-DWD-016F SHEET I OF 3 DATE: 11/04/2003 AREA: -ACCUMULATOR ROOM 1 RWP NO.: 8010 ELEV: 716'INSPECTORS:I C. G. WALLS, FRANK C. YAO REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 590955-064C. SH. 3,REV. D Tools: 590955-064C, SH. 5, REV. B Drawings 590955-064C, SH. 6, REV. B 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 Ihe 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 8" RESIDUAL HEAT REMOVAL_CONTINUED ON WALKDOWN PACKAGE NO's. WBI-DWD-014M & -024E.TVA CONTRACT NO.: 93NNS-75645C Prepared By: Checked By: c. G:.WALLS FRANK C. YAO Date: 11/4/03 Date: 11/4/03 TVAWOO1-PROC-01, Rev. 0 Attachment A K C .... ..... .. ..C.WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS WALKDOWN PACKAGE#:.WBI.DWD-016F SHEET2 OF 3 INSULATION INSULATION JACKET BUCKLE STRAP PROBLEM LOCATION ELEV. AREA DESCRIPTION ODIN) LENGTH INSULATION THICKNESS VOLUME MACTE T STPOMMENTS NUMBER --(FT) TYPE (I} (T] MATERIAL. TYPE TYPE A.. ... .... ... ... ....(IN ) ( 3) .ACCUMULA IA TOR ROOM' 71" 16 RESIDUAL HEATREMOVAL 8.63 1.4.56 RMI 1.1875 370 5... 6TO N/A 11" O INSULATION ........., ...,. ......... ......, ......., ........* : ...! , * ! ....i ....... ............... ..............................u ..... ......... ................ .. ............ ..... WALKDOWN PACKAGE No. WBI-DWD-016F SHEET OF --3-.> APPROXIMATE INSULATION LENGTH: AT I1" OD INSULATION (8" PIPING): LENGTH : (5.x.33.40) + 9 = 176(1/12) 14.67FT CONTAINMENT.DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE NO. WBi-DWD-016G SHEET I OF :3 DATE: 11110512003 1 AREA:I ACCUMULATOR ROOM 1. RWP NO.- 8010):1 1 ELEV: 171 6 INSPECTORS: C. G. WALLS, FRANK C. YAO REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 590955-048C, SH. 1, REV. C *Tools: 590955-048C, SH. 7, REV. C _Drawings 47W435-220. REV. D Flashlights ... 1-47W 435-220A, REV. 0 ......... .... .... ... .. .. .. ... ...Ladders 1-47W435-220B, REV. 0 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 1Inspect and verif any fibrous materials inside electrical components and cabinets COMMENTS 8" LOWHEAD'SAFETY INJECTION_ CONTINUED ON WALKDOWN PACKAGE NO's WB1-DWD-024F & -014N.STVA CONTRACT NO. 93NNS-75645C Prepared By: Checked By: C. G. WALLS FRANK C. YAO Date: 11/05/03 Date: 11/05/03 TVAW001-PROC-01, Rev. 0 Attachment A c....................., ......... .........C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGEN: WBI-DWD-OiSG SHEET 2 OF 3 PRBLEE AOM LENGTH INSULATION INSULATION INSULATION JA/CKET BUCKLE STRAP LOCATIoNEE.AE ECI10N 00SULN)THINCKNESUL~O VOSUMEl COMMENTS NUMBER (FT) TYPE IN MATERIAL TYPE TYPE ACCUMULA 0600200 TOR ROOm i?16 16 LOWHEADSAFE YINJECTiN 63 16,92 RMI 1;1575 10 $SS SE N/A 11 O6 INSULATION ......... ... ... ..... ... ....... ..... .... .... ..... ..... .. ..... .............. .. ... ... .... ..... ............. ....... ...,.....i ...,. ...... ., .. ...... :.. .............................. , ...= ..... ..... .I. , ..........., : ........ ..... ....................., ......... ..... WALKDOWN PACKAGE No. WBI-DWD-016G SHEET - OF .3-APPROXIMATE INSULATION LENGTH: START FROM -INSTRUMENT ROOM WALL: AT II" OD INSULATION (8" PIPING): LENGTH = (5 x 55.88) + :23.44 =203(1/12):= 16.92FT CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1.WALKDOWN PACKAGE NO. WB1-DWD-017A SHEET I OF 4 DATE: I 10/30/2003 I AREA: t ACCUMULATOR ROOM 2 I RWP NO.: I 8010 ELEV: .716'.INSPECTORS: ]C. G. WALLS, FRANK C. YAO:REF..MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 590955:069C, SH. 1, REV. D *Tools: 590955-069C, SH. 2, REV. D *Drawings 590955-069C. SH. 3. REV.D *Flashlights 47W465-206D, REV. 0 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 scam 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*.AUXILIARY SPRAY FROM PENETRATION 218 TO PENETRATION 641......... CONTINUED ON WALKDOWN PACKAGE NO'S WB1-DWD-023B 8- 024D....TVA CONTRACT NO. 93NNS-75645C

Prepared By:.Checked By: C. GC WALLS FRANK C. YAO Date: 10/30/03 Date: 10130/03 TVAW001-PROC-01, Rev. 0 Attachment A

C C C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WB1-DWO-017A' SHEET 2 OF 4 '" NROBLEM LINSULATION INSULATION LGH SULATiON THCNS OUE JACKET BUCKLE STRAP CMET PROBLEM LO AI N.L. .A'S .R ) u N i ~ THICKNESS VOLUME coMMENws LOCATION ELEV. REA DESCRIPTION 0O(N) (T) TP NUM.ER I.. ."(FT TYPE MATERIAL TYPE TYPE.., .... .... ~ (IN ) " .(F T S) ......* ........ .,, .................060201-ACCUMULA 06020O TOR ROOM 716' 17 3"3'AUXILIARY SPRAI UNE 3.50 1.'8 RMI 2.25 0.17 S.S. STD NIA 6' CD ISULATION 02 2 000-3 ACCUMULA 002 TOR ROOM A16C 17 3AUXILIARY SPRAY LINE 3.50 291 RMI 2.75; 859 S.S. STD NtA iOr obINSULATION 2 0...... .. CCUMULA O602O-- TOR ROOM, 716' 17 3AUXILUARY SPRAY LU?',E 3.50 0"66 MiN-K 1.5 0.:11 S.S. STD N(A 6.5'0D INSULATION ACCUMULA 02 TOR ROOM 716' 17 3"AUXILIARY SPRAY LINE 3.50 109 RMl 4.25 0.78 S.S. STD N/A 12'OD INSULATION 2 WALKDOWN PACKAGE No. WBI-DWD-017A SHEET OF _L4._APPROXIMATE INSULATION LENGTH 8 VOLUME: STARTING FROM :PENETRATION

.218: AT 6" OD INSULATION:

LENGTH.= -,z(4.5)(901/1801) + 2.75 + n(4.5)(450/1800) + 2 = 15.35(0/12) =I1.28FT AT 9" OD INSULATION: LENGTH- 2 + n"(4.5)(45I/180°) + 10.12 + n-(4.5)(90°/180o) + 2 + 5.5 + 13 4 20.5 + 36.03 'i 24.72 ,+ 18.5 + 0.5 + 7t(4.5)(9 0 0/180 0)+ 3.75 + 8.5 + 4. + (/(4.5)(90 0/1800) + I + 33 + 22 + 23 + -,(4.5)(900/180C) + 5 + 7z(4.5)(90'/180

0) .-0.5 = 275(1/12)

= 22.9IFT AT 6.5" OD MIN-K INSULATION: LENGTH. = 7.88(1/12) = 0.66FT AT 12" OD INSULATION: LENGTH = 13(I/12)= 1,09FT CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I VA LKDOWN PACKAGCE NO..WB I-DWD-017A EXCERPT FROM DRAWING 47W465-206D StSHEET 4 OF 4 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P.:UNIT 1 WALKDOWN PACKAGE NO. WBI-DWD-017B SHEET 1 OF 4~~~~:1 ELEV: 1 716' RPN. 80 INSPECTORS: 1C, G. WALLS,-FRANK C. YAO REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: ,_ _ 590955-048C, SH.: 1, REV. C **Tools: :590955-048C, SH. 4, REV. B *Drawings 590955-048C, SH. 6, REV. C *Flashlights.

590955-048C, SH. 11, REV. D.Ladders 47W435-220, REV. D:Cameras 1-47W435-220A, REV. 0 Binoculars Tape measure '_ .:Sample bags*Pensfmarkers-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 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 6"18 LOWHEAD SAFETY INJECTION_CONTINUED ON WALKDOWN PACKAGE NO's WBIDWND-007K, -015B & -24F._ _ TVA CONTRACT NO.:93NNS-75645C Prepared By:.Checked By: C. G. WALLS:FRANK C. YAO Date: 11103103 Date: 11/03/03 TVAW001-PROC-01, Rev. 0 Attachment A c C* ....... ..C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WBI-DWD-017B SHEET2 OF4 ......... .. ..... ............... .,___....................... PROBLEM LENGTH INSULATION INSULATION INSULATION JACKET BUCKLE STRAP COMMENTS NUMBER LOCATION ELEV. AREA DESCRIPTION 00 (IN) THICKNESS VOLUME MATERIAL TYPE TYPE NUMER .....(FT) Typ (IN) (FT3) MATERIAL TY.........ACCUMULA 0603200-092 TOR ROOM 17 LOWHEAD SAFETY INJECTION 6.53 18,42, RMi 1.1a75 373 SSt. STO N/A T" OD INSULATION 022 2 ........... ....... 0600200 TOR ROOM 716' 17 LOWHEAD SAFETY INJECTION 6.63 1.92 RMI 6 6875 3.73 S.S. STO N/A 20 CDINSUtATION 02 ... .....2 ........................ACCUMULA 0500200 TOR ROOM T16 17 LOWk=EAD SAFETY INJECTION 85.3 13.59 RM! 1 i875: 3.45 S.S. STD N/A I- OD INSULATION 02 2 ACCUMULA 0600200 TOR ROOM 716' 17 LCI'AHEAD SAFETY INJECTiON 2.38 1.34 MIN-K 08125 008 S.S. ST0 NIA 4' 00 MIN-K INSULATION 0600200 ACCUMULA 02 TOR ROOM 716" 17 LOWHEA..D SAFETY INJECTION 2.33 0.76 RMI 0.5525 0.T3 S.S. STD N;A 3 5 00 INSULATION 02 .2 ACCUMULA ......02 TOR ROOM 716' 17 LOWHEAD SAFETY INJECTICN 233 0.92 M IN-K 0.525 0C3 S.S. STO N/A 3.S'O0MWI-K INSULATION 0 2 2 ........ : .*. .... .......,.. .. , ..............C600200 ACCUMULA 02 TOR ROOM 716' 17 LO EAD ' SAFETY INJECTION 2.35 050 MIN-K 1.3125 005 SS. STD N/A 5*OD MIN-KINSULATION 022 ......__ _ _ _ _ __"_ _ ... ._ _ _ _ooo.ou- 6. ACCUMULA 02 TOR ROOM 716' 17 LOVW1JEAO SAFETY INJECTION 2.38 429 RIM 1.3125 646 9.& STD NIA 5ý 00 iIsuLATN 2 ...............I ........ .......... ...." .0 0 ACCUMU,, 0600200 TOR ROOM 71I' 17 LOvvHEAD SAFETY INJECTION 2.38 10.00 RIM 23125 2 '.s. sTD NiA 7" 00 INSULATION 02 "" 2 " " ......0600200 ACCUMULA 02 TOR ROOM 7'16' 17 LOWHEAD SAFETY INJECTION 2,38 1.15 RIM 3.B125 059 S.S. STD RIA W0 O INSULATION 0 2 .._.. .,,. .... ..... ........_ ,,,, _* .._. .._. .._.. ........ACCUMULA ..06300200 CML 02 TOR ROOM 716' 17 LOWHEAD SAFETY INJECTION 238 1.45 RIM 3.8125 0.75 S.S. STD N/A W 0D INSULATION 2 ......ACCUMULA -.. ... ...02 TOR ROOM 716': 17 LOWEAD SAFETY INJECTION 1.05 C.61 RIM 1.475 004 S.S.. STD N/A 4"OO INSULATION 0600200.09. ACCUMULA 02 TOR ROOM 716' 17 LO'WliAD SAFETY INJECTION 105 3.67 RIM 2.q75 096 S.S. STO N/A 7OO I4sULATI0. 02__ 0. ST /A2 _ _ SD NA __ 14SULATION WALKDOWN.PACKAGE.No. WBI-DWD-017B SHEET.--3_ OF 4-.y, APPROXIMATE: INSULATION LENGTH: START FROM: CRANE WALL;AT 9" OD INSULATION (6" PIPING): LENGTH = n(9)(900/180

0) + 179 +.7c(9)(90 0/180') + '(16.5 -3.5) 221(1/12)

= 18.42FT AT 20" OD INSULATION (VALVE # 8188B): LENGTH =l23(1/12) = :.92FT AT il" OD INSULATION (8" PIPING): LENGTH = 16.75 .+ (2 :x .24.32) + 31.67 + (2 X 32.67)= 165(3/12) = 13.59FT AT .4'. OD MIN-K INSULATION (2" PIPING): LENGTH .= 8 +. 8= 16(1/12) = 1.34FT AT 3.5 ODINSULATION '(2" PIPING): LENGTH = 1[25 + 5 + 3 = 9.25(1/12) 0.78FT AT 3.5" OD MIN-K INSULATION (2" PIPING): LENGTH 11(1/12) 0.92FT AT 5' OD MIN-K INSULATION (2" PIPING): :LENGTH:= I + :5 6(I/12):= .0.5FT AT 5" OD INSULATION (2" PIPING): LENGTH 8 + 22.75 + 6 + 5 +5 + 4.62 =51.37(i/12) = 4.29FT AT 7" OD INSULATION (2" PIPING):.LENGTH = (43 -4.62 -4) + 5 + :12 + 5 + 10.25 +5 3 4 15.38 +14.12 + 7.62+.,3 +:5 + 2.2 = 120(1/12) = 10FT AT !0" OD INSULATION (2" PIPING): LENGTH = 5.5 + 8 = 13.8(I/12) Ii5.1FT AT 8" OD INSULATION (2" PIPING): LENGTH-= 7 + 2.2 + 5 + .44 + 2.69 17;33(1/12) IL45FT AT 4"-OD INSULATION (3/4" PIPING): LENGTH = 6.12(1/12) = 0.51FT AT 7"OD-:INSULATION (3/4" PIPING): LENGTH = 5- + 12.62 +:5.5 + 8.58 + 12.34 = 44.04(1/12) = .567FT CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WAIKDOWN PACKAGE NO. \VBI-DWD-017B

EXCERPT FROM DRAWING 4W"iV435-220 SIIEET4 OF 4 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. :UNIT I WALKDOWN PACKAGE NO. WBI-DWD-017C SHEET I OF 3 DATE: 1:11/0412003 1AREA: ACCUMULATOR ROOM 2 RWP NO.: 8010 ELEV: 1 716'INSPECTORS:

C. G. WALLS, FRANK C. YAO REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 590955-064C, SH. 3, REV. D *Tools: 590955-064C, SH. 6. REV. B " Drawings 590955-064C, SH. 7. REV. D *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* 8". RESIDUAL HEAT REMOVAL* CONTINUED ON WALKDOWN PACKAGE NO's. WB1-DWD-024E & -007L.* TVA CONTRACT NO. 93NNS-75645C Prepared By: Checked .By:*C. G. WALLS FRANK C. YAO _Date: 11/4/03 Date: 11/4/03 TVAW001ýPROC-01, Rev. 0 Attachment A C.: .*...*.::.:: C:..*.*... C WATTS BARNUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WB1-DWD-017C SHEET 2 OF 3 ... ....... .. .PROBLEM LENGTH INSULATION JACKET BUCKLE STRAP NUMBER THICKNESS VOLUME M TPCOMMENTS N OCTIR E (FT) TYPE (IN) (FT3) MATERIAL TYPE TYPE ACCUMULA N/A TOR ROOM 716' 17 RESIDUAL HEAT REMOVA'L 8.63 27.84 RMI 1.,1875 708 S.S. sTD NIA 11'-CD INSULATION ..........2 ..., ......,' ........* .. " -"- ". ,. ". ...... ....... ...-.,; ......., .,, ...... ,, , ACCUMULA N/A TOROO= 716' 17 RESIDUAL HEAT REMOVAL 8.63 2.17 RMI 8.8875 7.12 S.S. sm WA 26* OD INSULATION 2.............. .'w ..............'. ...."..', ....... .... ....... ........... ....I ....... WALKDOWN PACKAGE No. WBI-DWD-017C SHEET .-3-- OF _3.APPROXIMATE INSULATION LENGTH: STARTING FROM INSTRUMENT ROOm WALL: AT Ii" OD INSULATION (8" PIPING): LENGTH = (3 x 33.40) + 17.31 + :l,[i(12)(900/1800)] + (112 -6) + 6.32 + I! + 8.89 + 8.89 =:334(1/12) = 27.84FT AT 26" OD :INSULATION (VALVE I-CKV-63-643): LENGTH = 26(1/12) = *2.17FT CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. !UNIT I WALKDOWN PACKAGE NO.WBI-DWD-017D SHEET-1 OF 4 DATE: 1110512003 1 AREA: I ACCUMULATOR ROOM 2 :1 RWP NO.: 8010 I ELEV: 1716':INSPECTORS: C. G. WALLS,.FRANK C. YAO...REF. MATERIALS:

Piping & Equipment Drawings:

Cable Tray Drawings: 590955-073C, SH. 1, REV; E _Tools: .590955-073C, SH. 3,- REV.- D__Drawings .47W406-321, REV. E Flashlights ..... ... ....Ladders* Cameras:Binoculars ......... .__... .Tape measure .....Sample bags ..,:Penslmarkers 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 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"'NORMAL CHARGING LINE........ CONTINUED ON WALKIDOWN PACKAGE NO's -WB1-DWD-.007M &-024D.TVA CONTRACT NO. 93NNS-75645C C. G. WALLS Prepared By: Checked By: FRANK C. YAO ::ý CC-'Date: 11/05/03:Date: 11/05103 TVAW001-PROC-01, Rev. 0A Attachment A C c C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS w WB1-DWD-0170 SHEET2 OF 4.. ......... '. .....".....O W P A K A E # W l D 0 1 ,,D .H E ..,O ..... 4,, ...... ............... .... .... .... ... ..... .. ... ... ... ...... ............., ... ......... ... ...... .... .;PROBLEM LENGTH INSULATION I O JACKET BUCKLE STRAP NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) TIPE THICKNESS VOLUME MATERIAL TYPE TYPECOMMENTS NUMBER (FPT) TYPE (IN) (FT3) __MATERIA TPETYPE ACCUVULA 0600200 TOR ROOM 7161 17 NORMAL CARGING 350 3.00 RMI 1.75 060 SS. STD N/A 7O OD INSULATION .. AZCUV.ULA 0600200 TOR ROOM 715' 17 NORMAL CHARGING 350 0.65 'RMI 1,25 0.08 S.S. STD NIA V~00 INSULATION 2 ACCUMULA 0600200 TOR ROOM 7ie 17 NORMAL CHARGING 3.50 0.96 RMI 2.75 036 S S. STD N!A 9" O INSULATION .. 2 WALKDOWN PACKAGE No. WBI-DWD-017D SHEET OF 4.4 APPROXIMATE INSULATION LENGTH: START FROM CRANE WALL: AT 7" OD INSULATION (Y" PIPING): LENGTH = 3.38 + 4.62 + 3[7L(4.5)(450/I800)] + 5.86+ .5 = 36(1/12) = 3.00FT AT:6" OD: INSULATION (3Y PIPING): LENGTH = T.(4.5)(4 5 0/180°) + 4.14 = 7.7(1/12) =. 065FT AT 9" OD INSULATION .(VALVE): LENGTH = 11.5(1/12) = 0O.96FT CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. LINIT I WA LKDOWN PACKAG E NO. WB I-DWD-017D

EXCERPT FROM DRAWING 47W406-321 SIIEET4 OF 4 XA ~S PO4~J3-OZ'-~

SZO6.W-~fl-O CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. W81.DWD-017E SHEET I OF 4 DATE: 11105/2003 1 AREA: I ACCUMULATOR ROOM 2 RWP NO.: 8010 1ELEV: 716'INSPECTORS: C. Gý WALLS FRANK C. YAO REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings:.590955-077C, SH. 1,REV. B *Tools: 590955-077C, SH. 3, REV.:B *:Drawings -590955-077C, SH. 4, REV. C *:Flashlights: 1-47W406-322A, REV. 0 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 andior 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 drawAngs 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 1" EXCESS LETDOWN LINE:CONTINUED ON WALKDOWN PACKAGE NO's"WB31-DWD-007N

& -024G.....___ TVA CONTRACT NO.'93NNS-75645C C. G. WALLS Prepared By: Checked By: Date: 11/05/03.FRANKC.YAO ..,'Date: 11/05/03 TVAW001-PROC-01,: Rev.. 0.AttachmentA c C............ .C... .... "WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS WALKDOWN PACKAGE#: WBI-OWD-017E SHEETk OF._ -......PROBLEM LENGTH INSULATION INSULATION INSULATION JACKET' BUCKLE sTRAP COMMENTS NUBRLOCATION ELEV. AREA DESCRIPTION 00 (IN) F) TP THICKNESS VOLUME MAEIL TP TYECMNS NUMBER (PT) TYPE * =,. .MATERIAL "TYPE TYPE I___ _ I__ _(IN) (FT3)000200 ACCUMULA 12 TOR ROOM 716" 17 EXCESS LETDOWN 1,32 1to09 RIVI 2.34 2.07 S.S, STD N/A 6" OD INSULATION ACCUMULA 0600200 TOR ROOM 71W' 17 EXCESS LETDOWN 1.32 2.00 RM.I 1t84 025 S.S. STD IVA 5 00 INSULATION 12 2 0600200-0c-ACCUMULA 1 TOR ROOM 116' 17 EXCESS LETDOWN 1.05 1,07 RMI 1,975 0.14 S.S. STO WNA 5" OD INSULATION 12 2 0600. ACCUMULA 000200c-TOR ROM 716 1 EXCESS LETDOWN 1,0S 0b67 RMI 2,975 0.18 S.S, STO NIA 7"OD INSULATICN (VALVE)12 2 ROOM 716' -__2 * ........, .. .... .............................. .... ... ......l WALKDOWN PACKAGE No. WBI-DWD-017E SHEET 3 OF APPROXIMATE INSULATION LENGTH: STARTING FROM CRANE WALL: AT 6" OD INSULATION: LENGTH =5.25 + 2.5 + 4 + 2.25 + 20.5 + 2.5 + 4+ (39.75 + 3.25 + 5.5 -6) + 4 +'3.38 + 4 + 33 + 4 + I = 133(0/12) =I.09FT AT 5" OD INSULATION: LENGTH = 23.91(1/12)= 2.OOFT AT 3/4" DRAIN: 5" OD INSULATION: LENGTH = 9.-25 + 3.56 = 12.81(0/12) = 1.07FT 7" OD INSULATION: LENGTH = 8(1/12) = 0.67FT CONTAINMENT.DEBRIS WALKDOWN PACKAGE WATTS BAR N. .UNIT I WALKDOWN PACKAGE NO. WBI -DWD-017E EXCERPT FROM DRAWING .1-47WV406-322A SIIEET4OF.4 t * ~ ~ ~ I 1 I I I I I 1:1 I I I I I I I I 9 I *I I I I I I I I I ~P ~-- .,L~ CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS:BAR N. P. UNIT 1 WALKDOWN PACKAGE NO. WBI-DWD-017F SHEET / OF DATE: 01/0612004 AREA: ACCUMULATOR ROOM 2 RWP NO.: 18010: ELEV: 716'INSPECTORS: C. G. WALLS, FRANK C. YAO REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings::590955-074C, SH. 1, REV. C ** Tools: :590955-074C, SH. 3, REV. C *Drawings 47W406-321A, REV. 0.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 .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.3" ALTERNATE CHARGING LINE-CONTINUED ON WALKDOWN PACKAGE NO's WB1-DWD-007S &-024D.°IVA CONTRACT NO. 93NNS-75645C Prepared By: Checked By;*C. G. WALLS Date: 01/06/04 FRANK C YAO Date: :01106/04 TVAWOOI-PROC-01, Rev. 0.Attachment A C c C W/TTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WB1-DWD-017F SHEET'r. OF.% .................... ........... ..... ............ .... INSULATION INSULATION PROBLEM LCTO EEV AREA DESCRIPTION O(I)LENGTH INSULATION THICKNESS VOLUME. JAKE SUCKLE STRAP COMMENTS: NUMBERL ..A............ (FT) TYPE (IN) (FT3) MATERIAL TYPE TYPE ACCUMULA 0600200-0S-TOR ROOM 716" 17 3"ALTER'IATE CHARGING 3.50 11.84 RMI 2.75 4.44 S.S. STO N/A 9 OOINSULATION ACCUMULA 0600200 TOR ROOM 7i64 17 Y ALTERNATE CHARGING 3.50 2.75 RMI 1.25 0,36 .S, S'"D NIA 6 00 INSULATION

2.....o8 ACCUMULA e 0600200,08-TOR ROOM 71' 17 3 ALTERNATE CHARGING 3.50 2.34 RMI 2.25 0"6 S.S. STD N/A 8" OD INSULATION I1t 2.......~ ~~~ ~ ~ ~~~~~~~ .... .... ... ....... .. ... .... ..... .! ..S ..............

WALKDOWN: PACKAGE No. WBI-DWD-017F SHEET -OF -_.APPROXIMATE INSULATION LENGTH: STARTING FROM CRANE WALL: AT 9" OD INSULATION (3" PIPING): LENGTH 12.5 + .2[r(4.5)(00 0/i80'+ 5.3 4 19.5+ 20 + 6 + II + 11.5 + 23.03+ +18.97 = 142(0/12)

11.84FT AT 6" OD INSULATION (3" PIPING): LENGTH- 2["r(4.5)(900/180 0).-+ 5.88 + 12.25=33(1/12).

2.75FT AT 8" OD INSULATION (3Y PIPING): LENGTH = [7(1-4.5)(900/1800)] + (2 X 10.12)=:28(1/12) = 2.34FT 7 j,6,. /Jo. 17t~d&Id6C32/A4 kIL /- :b W D -0/ 7 A: VI~C-9O~AL~cv} IDI __I I I2- 4i 6 I 1 1 1 '* A-C: 7 C2, I 31 1 45",~I 3-s oo.I-WIL S, 04!1-11/14--c -/ I" c 41 *746-l o-l'~ r Y~C-4 It Ii, -I I I ILI I

A' ' 7T CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR:N. P. UNIT I 1WALKDOWN PACKAGE NO. WB1-DWD-018A

ýSHEET I OF 4:-DATE: ý 111/03/2003 I AREA: ACCUMULATOR ROOM 3 RWP N. 00.II -ELEV: 716':INSPECTORS:. C'.: G. WALLS, FRANK C. YAO REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings:.590955-048C, SHR 1, REV. C *Tools: 590955-048C. SH: 5,:REV. D Drawings :590955-048C, SH. 12, REV. C-Flashlights 1-47W435-220A, REV. 0.Ladders 1-47W435-220C, REV. 0: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 LIP cable tray drawings to show location oi 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 6" LOWHEAD SAFETY INJECTION CONTINUED ON WALKDOWN PACKAGE NO's WB1-DWD-01 5B & -008H.TVA CONTRACT NO. 93NNS-75645C Prepared. By: Checked By: C. G. WALLS FRANK:C.YAO Date: 11/03/03 Date: 1'1/03/03*TVAW001-PROC-01, Rev. 0

Attachment:

A C...............C C WATTS BAR NUCLEAR PLANT UNIT i WALK DOWN RESULTS .. ......WALKDOWN PACKAGE#: WBI-DWD-018A. SHEET 2 OF 4.. ...... ...PROBLEM LOCATION ELEV, AREA DESCRIPTION 00 (IN) LENGTH INSULATION INSULATION JACKET BUCKLESTRAP OMMENTS NUMBER (FT) TION MATERIAL TYPE TYPE N M E(oTY E(IN) (FT3) ...;, .........0 002 0_09_ ACCUMULA ... .... ..600200 TOR ROOM 716, 1S LOWHEAD SAFETY INJECTION 6.63 1367 R6 i.187'5 277 s.s. STD NIA 9 OD INSULATION 0 223 ............ ..... ............E3 ACCUMULA 060200 TORROOM 716' i8 LOWHEAD SAFETY INJECTIONI 6.63 3.62 MIN.K 1.1875 0.73 S.S. STD NIA 9-O MIN-K INSULATION 02 TOR ..... 7.w 9 !ACCUMULA 0600200 TOR ROOM 716' i8 LOWMEID SAFETY INJECTION 6.93 0.78 RMI 1.9375 on8 S.S s" tuxA 10." O0 I6SULAvIoN 02 ACCUMULA 0603200 TOR ROOM 716' 18 LOWWEAO SAFETY INJECTION 238 17.75 RMi 2.3425 4 20 S.S. STO N/A 7" OD INSULATION 02 3 ACCUMULA 0603200 TOR ROOM "71 ;18 i LOIHEAD SAFETY INJECTION 2.38 0.85 RMI 4.3125 0.53 S.S. STD ?4A 11" OD INSULATION 02".0-0 0600200 TOR ROOM 716" 1t LO)WlHEAD SAFETY iNJECTION 1.05 8,17 RMI 2.475 15 S.$. STD N/A 6" 0D INSULATION 02 1 0600200 ACCLMULA TORROOM 713' 18 LOW-HEAD SAFETY INJECTION 105 1.05 RMI 4.975 069 SS ST N/A 11"DOINSULATION 02 WALKDOWN PACKAGE No. WBI-DWD-018A SHEET 3 OF ,4-APPROXIMATE INSULATION LENGTH: AT 9" OD INSULATION: LENGTH = I + :7(9)(9 0 0/1 8 0 0) + I + 30.57 + 29.06 + 29.06 + 7i(9(99 0/I80°)+ 5.25 + 4.35 + 4.25 + 30.5 4 = 164(1/12) = 13.67FT AT 9" OD MIN-K :INSULATION: LENGTH= 14.06 + 7(9)(90 0/i800) + I + 7(9)(90°/180') = 43.4(1/12) .=:3.62FT AT 10.5" OD]INSULATION: LENGTH = 9.25(1/12)

0.78FT AT 7' OD INSULATION (2.38" OD PIPING): LENGTH = 5 + 10.75 + 5 + 4.5 + .26.06 + 7.5 + 58.75 +- 31 + 20.06 + 30.69+ 5.62 + 5 + 2.5 = 213(1/12)

17.75FT AT 11" OD INSULATION (2.38".COD PIPING): LENGTH = :10.12(1/12)

0.8EFT AT 6" OD INSULATION (1.05". D PIPING): LENGTH =23.75 + 3ý + 67.81 + .:5 + .1.= 98(I/12).

8617FT AT :11" OD -INSULATION .(1.05" OD PIPING): LENGTH = 12:5(1/12) =l05FT CONTAINMENTI DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT i WALKDOWN PACK.GE NO. WBI-DWD-0IBA EXCERPT FROM DRAWING 1-47W435-220C SHEET 4 OF :4 0Lý CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WB1-DWD-019A SHEET 1 OF 13.DATE: 10/27/2003 AREA: ACCUMULATOR ROOM #4 RWP NO.: 8010 IELEV: 716 INSPECTORS: FRANK C YAO, MIKE CALDWELL REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 47W2500-12 Tools: PICTURE 19A-1.Drawings PICTURE 19A-2 Flashlights PICTURE 19A-3 Ladders PICTURE 19A-4 Cameras PICTURE 19A-5 Binoculars PICTURE 19A-6 Tape measure PICTURE 19A-7 Sample bags PICTURE 19A-8*Penshnarkers PICTURE 19A-9 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 TAGS AND LABELS, GENERAL CONDITIONN. FLEX CONDUIT, PENETRATIONS, TYPICAL CONDUIT TAG WITH TIE WRAPS.DRAWING 47W2500-12 Prepared By: Checked By: FRANK CYAQ (-L-L Date: 10/27103 MIKE CALDWELL Date: 10/27/03 TVAW001-PROC-01, Rev. 0 Attachment A c 'C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WBI-DWD-019A SHEET 2 OF 13 PROBLEM LENGTH INSULATION INSULATION JACKET BUCKLE STRAP NUM ATIEN ELEV. NS O OTHICKNESS VOLUME RIAL TYPE TYPECOMMENTS LNCABE ON LV RA(FT) TYPE (IN) (FT3) MATERIALTYPETYPE ACCUMULA NIA TORROOM 716 19 TAGS & LABELS NA NA NA NA NA NA NA SEE REPORT FOR COMMENTS 4' ..____________ ______ 47W2500-12 QUALD IV EL 720 TO 737.0 WB 1-DWI)-019A SIIEET 3 OF 13 47W2500-12 QUAD IV EL 720 TO 737.0 W.Bl'DI1)WI-0I 9A SHIEET 4OFI13 r 0 ~F Too 1 ...... K C--~ 'I.V;ii 1.. i 4 +W-4 5 -7 7: A4 IJ ci j :ýl y". ýii,ýq ic Ag;.'P ýO T "i,"40" rC C. C .....-I'.~ A'-.1.I. .-.-' --4'A 'CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I K,} WALKDOWN PACKAGE NO. WBI-DWD-019B SHEET I OF 11 DATE: 10/27/2003 AREA: ACCUMULATOR ROOM #4 RWP NO.: 8010 I ELEV: 716 INSPECTORS: FRANK C ,YAO; MIKE ..REFý MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 47W2500-12 Tools: 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 :lnspect and mark up layout drawings to show any undocumented insulation. S3 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 TAGS AND LABELS DRAWING 47W2500-12 RUBBER GASKET MATERIAL USED ON AOV SUPPPORTS IS BRITTLE AND/OR BROKEN."-'1 Prepared By: Checked By: FRANK C YAO" ,--ý c .-If MIKE CALDWELL, Date: 10/27/03 Date: 10127/03 TVAW001-PROC-01, Rev. 0 Attachment A C WATSBA N CEAPATUI WAKD NRSLS C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#; WB1-DWD-019B SHEET 2 OF 11 PROBLEM LOCATION ELEV. AREA DESCRIPTION OD (IN) LENGTH INSULATION INSULATION INSULATIOE COMMENTS NUMBER (FT) TYPE THICKNESS VOLUME MATERIAL TYPE TYPE_______ _____ ______ ________________ ______________ (IN) (FT3J) __________ ACCUMULA NIA TOR ROOM 716 19 TAGS & LABEL'S NA NA NA NA NA NA NA NA SHOW RUBBER GASKETTS 4 WB1-DWD-019B SHEET 3OF 11 CALCULATION THIS PAGE INTENTIONALLY LEAVE BLANK 47W2500-12 QUAD IV EL 720 TO 737.0 WBI-DWD-019B SIIEET 4 OF II 47W2500-12 QUAD 1V EL 720 TO 737.0 WBI1 -DWD-01913 SIHEET 5 OF 11 If-- , -....Im 77"""......... .... .......... ............. .... .... ........... .................................. ... ..... ........ .......... ...... ................ ............................... ... ...... .j t 4 -v...... .. ............ ......... ....... .......-T" I ;j I L,,............... ..... ....... ........ ... .............I. "'7.F..~- £ *4 ........ ..A3/4 inks.¶o MGM.-. All!ills. r C A.> NF I-

CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR'N. P. UNIT 1 WALKDOWN PACKAGE NO. WBI-DWD-019C

SHEET I OF 9 DATE.: 1012712003 ARA:ACCUMUJLATOR ROOM #4 RWP NO.: 18010: I I ELEV: 1716 INSPECTORS:

FRANK C YAO, MIKE CALDWELL. ...:REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings:.47W2500-12 -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 Inspecl 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 Ihe 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; LABELS, TAPE, PENETRATIONS. DRAWING 47VV2500-12 I+4 4 4 4 4 Prepared By: Checked By: FRANK.CYAO " ,z= c--.MIKE CALDWEL Date:: 10/27/03 Date: 10/27/03 TVAW001-PROC-01, Rev. 0 Attachment A fT C C" ..... .WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#; WB1-DWD-019C. SHEET2 OF 9 .. .. .. ..NUMBER~ ~ ~ ~ ~ ~ ~ ~~~.. LOATO ...V ARE ..CITO DI) EGHILTO INSULATION INSULATION -PROBLEM JACKET BUCKLE STRAP LE. ..N. ..iNINUA~O TI.INKE SULAONUE COMMENTS (FT TYPE (THICKNESS VOLUME MATERIAL TYPE TYPE..UMBER. LOA...E~ ARADSRPiN 0(N f) ' (IN) (FT3) .____ .___ .___......______ ACCUMULA N/A TOR RCOM 716 19 TAGS & LABELS NA NA NA NAh NA NA NA NA SEE REPORT FOR COMMENTS 4 47W2500-12 QUAD IV EL 720 TO 737.0 WVB1-DWD-019C SHEET 3 OF 9 I Mlz iUt Zi 14,ýiw ...........r.IW7 -.K, C C-al v Kit'ji ~"C i~-'~ '~i1~'~i ~.' i"-,'-~ ..........N~n i-l -ýý.....LK .V -S to".~ ............. Id..~ ~L ~.~ £i~1~ 1~ ..,~ .., ~ i * ..~ ......... .........-~ge-FL"."17 A I-ll,~x-.F a .7,,----l-qw.-.,. ....~, ... ... .I ~1~~ ~~ ~,~ di 4~-' ~.;~'. ~1/2V -~.,- -~j ,~l I J/'U 4~I --i1 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR'N. P. UNIT 1 WALKDOWN PACKAGE NO. WB1-DWD-019C SHEET 1 OF 9 DATE: 110/27/2003 AREA: ACCUMULATOR ROOM #4 RWP NO.: 8010 I ELEV: 716*INSPECTORS: FRANK C YAO,. MIKE CALDWELL:REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 47W2500-12 Tools::Drawings-Flashlights Ladders Cameras ._:Binoculars

1 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 JInspect 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. LABELS, TAPE,: PENETRATIONS. DRAWING 47W2500-12 Prepared By: Checked By: FRANK C YAO C _-f, MIKE CADE Date: 10/27103.Date: 10/27/03 TVAW001-PROC-01, Rev. 0 Attachment A C .....,..C. ...C......... I........I......... .. WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS.,. ., ............ ...............WALKDOWN PACKAGE#; WBI-DWD-019C SHEET 2 OF 9 ... .....PROBLEM LOCATION ELEV. AREA DESCRIPTION OD (IN) LENGTH INSULATION INSULCKON VOLUME JACKET BUCKLE STRAP THICKNESS VOLUME * *COMMENTS NUMBER (FT) TYPE MATERIAL TYPE TYPE ACCUMULA N.A TOR ROOM 716 19 TAGS & LABELS NA NA NA A NA NA NA SEE REPORT FOR COMMENTS.... ........4. ......... ....... 47W2500-12 QUAD IV EL 720 TO 737.0 WB1-D WD-01 9C SHIEET 3OF 9 ....... .............. ...f... ... r4.C ..On~ ~'a p C t'~"~ r~a~ ~~ L~j~ a~2' ~~-v-' v~I I Ill ýt 1 ~~ ~i -~'-,~, -'\,4. -.~, I~. J*4. .~ .... ....A... ... ..A r?T- 'fit" 56%,-0 MKI >~-~ .'~`~ 2-'7i Moi-,j.r:-A L~ I~ ~ .~*1- .-.11 Pi C.444 .. .. ...:-A-t* ..~ ~ -tgjj:~'.L 4. ..-.'5 4"$W~~k~ ~ m............4. ...~~'h;-'4 ,A A"' .~ -:.V' ,.~ **~ ~t r.I CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WB1-DWD-019D SHEET 1 OF 8 INSPECTORS: I FRANK C YAO, MIKE CALDWELL REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 47W2500-12 Tools::Drawings:Flashlights Ladders Cameras Binoculars Tape m easure *'-_ ... ... ..... ... ...__ _Sample bags Penslmarkers.INSPECTION UST: 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 cou!d 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 PENETRATIONS -NO POTENTIAL DEBRIS FROM THESE PENETRATIONS DRAWING 47W2500-9_____________________

Prepared By: Checked ýBy: FRANK C YAO MIKE CALDWEL.ý,e 44/Date: 10/27/03.Date: 10/27/03 TVAW001-PROC-01, Rev. 0 Attachment A

C-C C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WBI-OWD-0190 SHEET 2 OF 8 PROBLEM LENGTH INSULATION SULATIONJACKET BUCKLE STRAP NUMBER LOCATION ELEV. AREA DESCRIPTION 0D (IN) (FT). TYPE THICKNESS VOLUME MATERIAL. TYPE TYPE COMMENTS LENGTHW INSULAGEON JACKET01 SUHEET 2SOFAP ACTO MULA NO POTENTIAL DEBRIS FROM N/A TOR R 716 19 PENETRATIONS NA NA NA NA NA N4A NA NA THESE PENETRATIONS .~ ~ ~ ~ ~ I ... .. ... .. ... 47W2500-12 QUAD IV EL720 TO 737.0 WVBI-DWD-019D SHEET 3 OF 8 47W2500-12 QUAD IV EL 720 TO 737.0 W.B1-I) WD-01 91)SHEET 4 OF 8 S l J thI (3/4I jz~w~a AM~wa- ..* A 1 ~,L. CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. !UNIT 1 WALKDOWN PACKAGE NO. WBI-DWD-019E

SHEET / OF 14 DATE: 1012912003 AREA: ACCUMULATOR ROOM 4 RWP NO.: 8010 1 ELEV: 716'.INSPECTORS:

C. G. WLLS, MIKE SOLLIE REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 590955-075C, SH. 1, REV.- C Tools: 1-47W406-320A, REV.*0: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 showany 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 2* LETDOWN LINE FROM REGENERATIVE HEAT-EXCHANGER TO PEN. X15 CONTINUED TO WALKDOWN PACKAGE NO. WB1-DWD-001G.

TVA CONTRACT:NO..93NNS-75645C Prepared By: Checked By: C. G. WALLS (A/7dWK MIKE SOLLIE Date: L01_5 Date: .3./J TVAW001-PROC-01, Rev. 0 Attachment A

c .WATSBA N CLERPATUI AKDW EUT c WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS WALKDOWN PACKAGEO: WBI-DWD-019E SHEET_ -OF ._ .... .... ..PRO LE T ELEV AREA L LENGTH INSULATION INSULATION INSULATION AC..KET .CKLE STRAPO T NUBRLOCATION EtV ARA DESCRIPTION 00 (IN) .THICKNESS VOLUME. MATEIAL TYPE TYP NUBE (F) TP MATERIAL TYPE TYPE CMET (FT) TYPE (IN) (FT3)0600200 ACCUNIULA 00 TOR ROOM 716: 19 LETDOWN LIKE 238 23.17 RMI 1.81 3.83 S.S. STO NiA N/A o 4 * ...................... ... ............... ...... ..' ... .. .................." ............'. ....... WALKDOWN PACKAGE No. WBI-DWD-019E SHEET. Al OF'APPROXIMATE

INSULATION LENGTH: AT 6" OD INSULATION:

(2.28" OD PIPING): LENGTH =: 5.44 + 12.28 + 20.88 + 20.25 + (77.28 -5.5) + 5 + 13.5 + 5+ (89.25 -4,:25) + 5 4 25.5 +.:5 + 3.12 =:278(1/12) = 23.17FT YO~V-9O~MLt-L I _______1 000- 4 I I f I I t'soof I I I I I Lý--L-f I I I I I I ý t I I , I I , __1_1 I A B C D.E F.C n o N f l s i -m l p PI -I-- '30?NN~0 0121 (me).1 -c% j.4MO 5 5 r' k11 lo .91 %-.9-'q'S~t2. $9 A a/ jr501S 1 .YbP 84.t!.~lIp ire 9 S CPLON S.9.?0156?H-I 1~ 1 4. 1 ... 1 1 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WBI-DWD-019F SHEET I OF 5 DAE: 10/3112003 AREA: I ACCUMULATORROOM 4 RWP NO.: 8010[ELEV: 1 716'INSPECTORS:. C. G. WALLS,' FRANK C. YAO REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 590955-048C, SH: 1 REV:C *Tools: .590955-048C, SH. 3, REV. D -Drawings :590955-048C, SH. 9, REV. C *Flashlights 590955-048C, SH. 10, REV. C'Ladders 590955-048C, SH. 13, REV. D ** Cameras .47W435-260, REV. F Binoculars_ rape measure Sample bags SPenslmarkers 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 markup 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.6 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 6"18" LOWHEAD SAFETY INJECTION CONTINUED ON WALKDOWN PACKAGE NO's WB1-DWD-014J & -009G.STVA CONTRACT NO. 93NNS.75645C Prepared By: Checked By::C. G. WALLS Z A FRANK C. YAO Date: 10/31/03 Date:: 10131/03 TVAW001-PROC-01, Rev. 0 Attachment A 17 C * ........... C WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS WALKDOWN PACKAGE#' WBI-DWD-019F SHEET 2 OF S .._... .,"RR :. EM INSULATION INSULATION PROBLEM ....JACKET" BUCKLE STRAP CMET NUMBER LOCATION LEV AREA DESCRIPTION 00 (IN) LENGTH INSULATION THICKNESS VOLUME MATERIAL TYPE TYPE NUMBER -(FT) T YPE (IN) (FT3) MATERIALTYPETYPE ACCUMULA. ...0600200-09-.CUML 00 TOR ROOM 716' 19 LO& EAD SAfb-WY'INJECTION 6.63 1567 RMI 1.1875 .317 S.S. ST NIA 9S 6D INSULATION 01 A0 0 ACCUMULA 0600200 rOR ROOM 716' "19 LOV%1-IEAD SAFETY INJECTION 6.63 2017 RMI 1.6875 789? SS, STO NiA " O D INSULATION 01 *.4 ACCUMULA 0 0 TOR ROOM 716' 19 LO'A-IEAD SAFETY INJECTION 863 35 09 RMI 1.1675. 8 92 SS STO NIA 11" OO INSULATION 0 14 ... .. .....ACCUMULA 0600200-09 TOR ROOM 716' 19 LOWNEAD SAFETY INJECTION 8163 0.53 RMI 2.8147 0.37 S.S. STO NIA 13" O0 INSULATION 01 4. .* .i ...-..., .......... ..........= ....* ...... ................* .........l ...l .............ACCUMULA 0600203 TOR ROOM 716' 19 LOW1-IEADSAFETY INJECTION 1.05 .92 RMI 2.47S2 1.70 S.S. STD N/A 6"ODINSULATION 01 4 ACCUMULA 0600200 TOR ROOM 716' 19 LOWNEAD SAFETY' INJECTION 1.05 0.40 MIK 4.726 03 S.S. So N/A '2 B' 00 MIN-k I'SLULATION 01...*.4. , ...................0600200 ACCUMULA TOR ROOM 716' 19 LCWHEAD SAFETY INJECTION 235 0.71 RMI 3.45 045 S.S; STD N/A 810 OINSULATION 4 0600200 ACCUMULA TOR ROOM 716' 19 LOWNEAD SAFEY INJECTION 1.30 125 RMI 2.3t7 104 SS. STD NIA 7'ODINSULATION 0560200 ACCUMULA 01 TOR ROOM 716' 19 Id"A'HEAD SAFETY INJECTION 2.5 0.71 RMI 4.7125 0.45 S.S.. STO N/A 15V OD INSULATION 4 o60260-01 TOR ROOM 716* 19 SAFETY'If-JECT'0N 1,05 1.80 RMi 2.475 0 34 S.S. STD WIA 5"OD INSULATION ........ .4 :. ............... ............... ..... ............. ......... ........ ..... ..... .........0 .02.009 ACCUMULA ..... .... ..06000 TOR ROOM 716' i9 LCWHEAD SAFETY INJECTION 1.05 342 RMI 1.975 0.45 S.S. STD N/A 5" 00 INSULATION 91 4 0o2-o-ACCUMULA.TOR ROOM 716' 19 LCM'"EAD SAFE'TY INJECTION 1.05 0.84 RMI. 4.975 0.c5 S.S. 'STb NIA 11- co INSUL.ATION Ol 4 L WALKDOWN:PACKAGE:No. WBI-DWD-019F SHEET . OF .APPROXIMATE INSULATION LENGTH: START FROM FAN ROOM I: AT 9" OD INSULATION: LENGTH= =18.62 + 21 + 9.5 + 7(9)(90W/180°) + dt(9)(90°/180°) + 6:5 + 23.25 + 29.0 + 7r(9)(900/i80°) + 7TL,4 +(3 X 10) = 188(0/12) = i5.67FT AT 26" OD INSULATION (VALVE): LENGTH = 26(1/12) = 2.17FT AT 11 CD ;INSULATION: LENGTH = 24.12 + 4.62. + 21.31 + 25.17 + 20.04 + 18.5 + 64.25 + 7r(12)(90°/180°) + 31.25 + 9.5 + -t(12)(90°/180") + 97.75 + ,r(12)(45'/1800) +:57.38 = 421(0/12)= 55.09FT AT 13" OD INSULATION: LENGTH =:6.3(1/12) = 0.53FT AT 1.05" ODDRAIN LINE: 6" OD INSULATION: LENGTH = 6.38 + 3 + 19:75 + 3 + 32.12 + 26+ 9375 + 2.25 + 3 + .75 = 107(1/12) = 8.92FT 2.5" OD MIN-K INSULATION: LENGTH = 10.75(1/12) = 0.90FT 8" OD :INSULATION: LENGTH.= 11.25(1/12) = 0.94FT AT 2.38" OD :DRAIN LINE: 7" OD :INSULATION (2.38" PIPING): LENGTH = ,L.62 + 5 + 54.5 + 5 + 5.88 75(1/12) = 6.25FT WI" OD INSULATION (2.38" PIPING): LENGTH:= 8.5(0/12) = 0.71FT 6" OD.INSULATION (1.05" PIPING): LENGTH .7 + 3 + I + 4.75 + 5.75 = 21.5(0/12)

1.80FT V5' D INSULATION (0.05" PIPING): :LENGTH 21.53 + 12.5 + 7..1 = 40.93(/12)

3.42FT I1" OD:INSULATION (0.05" PIPING): LENGTH = 10(1/12)= 0.84FT CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WBI-DWD-019F EXCERPT FROM DRANWING 47W435-260 SIIEET4 OF 5 CONTAINMENT DEBRIS WALKDOWN:PACKAGE WATTS BAR N. P. UNIT I WAILKDOWN PACKAGE NO-. WB-DWD-019F'2 EXCERPT FROM DRAWING 590955-048C, SIL. 10, REV. C SIlEE" 5 Of 5. CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WBI-DWD-019G SHEET I OF 3 DATE: 11/0312003 1AREA: -ACCUMULATOR ROOM 4 RWP NO.: 8010 1E LEV: 1716'INSPECTORS: C. G. WALLS.FRANK C. YAO REF. MATERIALS: Piping & Equipment Drawings: .:Cable Tray Drawings: 590955-064C, SHR 3; REV. D *Tools: 590955-064C. SH, 4, REV. D *Drawings .590955-064C.

SH. 5, REV. B -Flashlights.

Ladders* Cameras* Binoculars i ape measure* Sample bags* Pens/markers

INSPECTION LIST: ITEM NO. DESCRIPTION I Verify installation of insulation as documented in existing plant drawings andior 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 8"712" RESIDUAL HEAT REMOVAL CONTINUED ON WALKDOWN PACKAGE NO's. WBI-DWD-014L.& -014M.TVA CONTRACT NO.:93NNS-75645C C. G. WALLS Prepared By: Checked By: Date: 11/3/03 FRANK C. YAO Lt",'._= " Date: 1 i/3/03 TVAW001-PROC-01, Rev. 0 Attachment A C c C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS W ALU DOW N PACKAGE#: W B1-DW D-019G SHEET 2 OF 3 .................. .... ............................ ...................... PROBLEM LOCAION ELEV. AREA DESCRIPTION OD IN) LENGTH INSULATION INSULATKON INSULATION JACKET BUCKLE STRAP COMMENTS NUMBERTHICKNESS VOLUME MATERIAL TYPE TYPE NUMBER ..... t , FT} TYPE (IN) (FT3)ACCUMULA .... ... ..... .. .. ....NIA TOR ROOM 716' 19 RESIDUAL HEAT REMOVAL 8.63 51.59 RMI 1.1575 1311 S.Sý STD NIA 1i"OD INSULATION 4 , ....., ..... .....,, ACCUMULA IVA TOR ROOM 716' 19 RESIDUAL HEAT REMOVAL 8.63 i.CO MIN-K 0.935 020 3.3, ST0 N!A 10.5 OD INSULATION 4 ACCUMULA NIA TOR ROOM 716' 19 RESIDUAL HEAT REMOVAL 8.63 2.52 RMI 0.6875 0.35 SS. STO NIA 10" OD INSULATION 4 ACCUMULA IVA TOR ROOM 716' 19 RESIDUAL HEAT REMOVAL 12.75 21.92 RMI 1.125 7.46 S.S. ST6 NIA 15;-ODINSULATION 4 ACCUMULA N!A TOR ROCM 716' 19 RESIDUAL HEAT REMOVAL 12.75 1.50 RMI 2.625 1.32 S.S. STD k/A 18OD INSULATION 4.ACCUMULA N/A TOR ROOM 716' 19 RESIDUAL HEAT 1.05 1.75 RMI 2.475 033 s.S. STD NIA 6"OD INSULATION 4.4. ......ACCUMULA N/A TOR ROOM 716' 19 RESIDUAL HEAT REMOVAL 105 0.80 RMI 1.475 007 S,S. STO N/A 4'OD INSULATION 4 ........ ...... .... ....... ...__.ACCUMULA 00 6bINSUILATIO101N (TIEB .AC .K MIA TOR ROOM. 716' 19 RESIDUAL HEAT REMOVAL 288 0.84 RMI 1.06 008 S,.S. $TD NiA SUPPORT)ACCUMULA N/A TOR ROOM 716' 19 RESIDUAL HEAT REMOVAL 1.05 0.48 RMI 1.975 006 S's. STO NWA 6 OD !NSULATION 4 ACCUMULA .6- OD INSULATION (TIEBACK N/A TOR ROOM 715' 19 OESIDUAL hEAT REMOVAL. 288 0.53 RMI 1.56" 00C S.S. STD, N/A SUPPORT)* 4 ....~~.. .... ... .... ..U PO T ACCUMULA NIA TOR ROOM 7;1S' 169 RE616UAL kEXfi REMOVAL lld 110,.609 RMI 1I475 a go S S. STD N41A 4- ODb INSULATION (DRAIN LINE)4 .......l .. ....... ......... ........1l ...., ACCUMULA N/A TOR ROOM 716' 19 RESIDUAL HEAT REMOVAL 1.05 1.07 RMI 1,975 0.14 SS. ST0 NIA 5" OD INSULATION IDRAIN VALVE) WALKDOWN PACKAGE NO. WBI-DWD-019G -SHEET OF _3.APPROXIMATE INSULATION LENGTH: K, AT I1" OD INSULATION (8" PIPING): LENGTH = 34.92 +.20.41 + (5 X 33.01) + (2 X 25..3) 4 29.25+ 15.82 + 22.78 + r,(12)(90°/180c) + 8 + 11.56 + 7-,(12)(900/180°) + (76-12) + 27.25+ (4 x 33.31)+ 364.47 + 17.05 = 607(0/12) = 50.59FT AT 10.5" OD MIN-K INSULATION: LENGTH =:12/12 = IFT AT 10" OD INSULATION (8" PIPING): LENGTH 30.19(1/12)= 2.52FT AT 15" OD INSULATION (12" PIPING): LENGTH = (18)(900/180O) + :(113.75 -6) 4 -.,(18)(90'I180°) + 31 :+ r(18)(90 0/180 0) :+ 38.5 ='263(1/12):= 21.92FT AT 18" OD :INSULATION (12" PIPING): LENGTH = 18(1!12) 1.5FT AT 5/4" LINES (6" OD INSULATION): LENGTH = 58 + 65 6'5 21(1112) = 1.75FT AT 3/4" LINES (4" OD :INSULATION): LENGTH = 9.56(0/12) 0.80FT AT 2.88" OD TIEBACK SUPPORT (5" ODINSULATION): LENGTH = 10,06(1/12) = O:84FT AT .3/4" LINES (5" OD INSULATION): LENGTH = 55(I/12) = :0.46FT AT 2.88" OD TIEBACK SUPPORT (6" OD INSULATION): LENGTH = 6.25(1/12) = 0.53FT AT 31/" DRAIN (4" OD INSULATION): LENGTH =:10.5 + 3 + :21.25 + 3 + 12.5 + 3 + 51.38+ 3 + 25.25= 153(1/12) 11.09FT AT 3/4" DRAIN VALVE (5" OD INSULATION): LENGTH = 12.75(1/12) = 1.07FT CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE NO. WBI-DWD-019H SHEET I OF 4 DATE: 11104/2003 AREA: ACCUMULATOR ROOM 4 RWP NO.: 8010 I ELEV: 716'INSPECTORS: C. G./WALLS, FRANK C. YAO REF. MATERIALS: Piping &.Equipment Drawings: Cable Tray Drawings: 590955-064C, SH. 1, REV. D *Tools: 1.47W432-215A, REV. 0 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:10"114' RESIDUAL HEAT:REMOVAL CONTINUED ON WALKDOWN PACKAGE NO. WB1-DWD-005F.

TVA CONTRACT NO.:93NNS-75645C
1 .1 Prepared By: Checked By: C. G. WALLS FRANK C.YAO Date: 11/4103 Date: 11/4/03*TVAW001-PROC-01, Rev. 0 Attachment A

C C C~tJ=WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS NALKDOWN PACKAGE#" WB1-OD-OF19H SHEET 2 OF 4 PROBLEM LENGTH INSULATION NSULATION THICKNESS .JACKET BUCKLE STRAP Nu LOCA~iON( NLEV. AREA DESCRIPTION 00 (IN)T TIU ONE INUM ARION COMMENTS NU... * ...... (INT .M T RA.. ...ACCUMULA 0600200 TOR ROOM R76 19 F;ESIDUAL HEAT REMOVAL 14.00 10.50 R Mt 2 7.33 S.S STO NIA 18"ODINSULATiON.I 01 060000 LA 00203-TOR ROO 716' 19 RESIDUAL HEAT REMOVAL 16.75 6,00 RMI 2,125 3.58 SS. STD N/A is- 0 INsuLATION 01 4 ACCUMULA 0600200 TOR ROOM 71t 19 RESIDUAL HEAT REMOVAL 1F4.0 3.11 RMI 9.s5 .5.. S. STD NIA 33Y "(D INSULATION fVALVE 01..............,,,,,,4 ......, ... .........ACCUMUL.A 050020O TOR ROOM 7f6' 19 RESIDUAL HEAT REMOVAL 10.75 2.72 RMI 8.625 992 S S. STD N/A 28 00 INSULATION (VALVE)01 4 .................... .......... .... ............ , ..I. ......00"D0 ACCUMULA 060O20010 TOR ROOM 716' 9 RESmOUAL HEAT REMOVAL 3.50 0.34 RMI 1.75 0.07 S..S STO NIA r 00 INSULATION 4h ACCUMULA 0600200. Tp OM76 .EtLA 'ETRMVL :5) 03 u .5 00 .T / "G ~UAI'01 TOR ROOM 716' lq RESIDUAL HEAT REMOVAL 1.05 062 RMI' 0.975 0.C4 S.S.. STD NA 3"OO INSULATION 4......* ......" , ..........~ ~ ~~ ..... ......... ... ..... WALKDOWN PACKAGENO. WBI-DWD-019H SHEET .. OF _4-APPROXIMATE INSULATION LENGTH: STARTING FROM CRANE WALL: AT 18" OD :INSULATION (14"- PIPING): LENGTH = 26 4 12 4 24.5 4 (2 X 18.06) 4 "26.5= 126(0/12) = I0.5FT AT 15" OD INSULATION (10" PIPING): LENGTH =3 + 12 + 2[nt(15)(900/1800)] + 9.03= 72(0/12) = 6O00FT AT 33" OD INSULATION (VALVE I-FCV-774-2): LENGTH = 37.25(0/12). = 3.'IFT AT 28" OD INSULATION (VALVE I-FCV-I-74-9): LENGTH = 32.59(1/12) 2.72FT AT 7" OD INSULATION (VALVE I-RFV-63-505, 3" SWEEPOLET): LENGTH 4(1/12)= 0.34FT AT 3" OD INSULATION.(3/4" VENT LINE): LENGTH = 2.75 + .7 = 9.75(1/12) = 0.:82FT CONTAINMENT DEBRIS WALKDOWN FACKAGE WATI'SIBAR N. P. UNIT I WA LKDOWN PACKAGE NO. W B I-DWD-01911 EXCERPT FROM DRAWING 1-47W432-215A SIIEET4 O- 4 IF;Q*3lT1-N r~Ti~1 OET C.D CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR *N. P.: UNIT 1 WALKDOWN PACKAGE NO. WB1-DWD-019J SHEET I OF 4 DATE: 111/05/2003 AREA: ACCUMULATOR ROOM 4 :RWP NO.: 8010 ELEV: 716'INSPECTORS: C. G. WALLS, FRANK C. YAO REF, MATERIALS: Piping & Equipment Drawings:: Cable Tray Drawings: 590955-048C. SH. 1, REV. C *Tools: 590955-048C, SH. 8, REV. D *Drawings :590955-048C, SH. 13. REV. D Flashlights. 47W435-220, REV. D Ladders 1-47W435-220A, REV. 0 Cameras 1-47W435-220B, REV. 0 Binocularsmeasure 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 8"'LOWHEAD SAFETY INJECTION CONTINUED ON WALKDOWN PACKAGE NO. WB1-DWD-014N. TVA CONTRACT NO. 93NNS-75645C Prepared By: Checked By: C , G. WALLS (,.__24 FRANK C.YAO 711.z Date: 11/05/03:Date: 11/05/03 TVAWOO1-PROC-01, Rev. 0 Attachment A C C C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#~: WB1-DWD-019J SHEET 2 OF .4 PROBLEM LOCATION ELEV. AREA DESCRIPTION NUMBER 0600200 ACCUMULA 02 TOR ROOM 716' i9 LOVMEAD SAFETY INJECTION.......I .... 4 .......... ....., ..0 602 0 0-0 9-ACCUMULA 02 TOR ROOM 716 19 LOA..-IEA ,SAFETY INJECTION 02 4 COMMENTS 11 OD INSULATION 10.5 OD MIN-K INSULATION WALKDOWN PACKAGE No. WBI-DWD-019J SHEET OF _4-,,,, APPROXIMATE INSULATION LENGTH: START FROM FAN ROOm I WALL: AT II OD INSULATION (8" PIPING): LENGTH = (5 x 35.88) ,-.2.25 + 12.06 + 33.35 + 21.39 + 3.25 + 2[11(12)(900/I800)] + 2.5 + 11.5 +.5.31 + (2 x 36.09) + 25 + 7T5 + 1 + i,(12)(45°/180°) + I + 14.97+ 36.1 = 477(0/12) = 39.75FT AT 10.5" OD:MIN-K INSULATION (8" PIPING): LENGTH = 7.5 + 36.09 + 18.41 =:62(1/12) ='5.17FT AT 1.05" OD.LINE: AT 6" OD INSULATION: LENGTH z 5 + 3 + 20 + 3 + 31.5 + 3 +:26 + 3 + 22 + 3 + 2= 122(0/12) =:I0.I7FT AT 8" OD INSULATION: LENGTH = 10.25(1/12) = 0.86FT CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I VA1,KDOWN ]PACKAGE NO. WBI-DWD-019J EXCERPT FROMI DRAWING 590955-048C, SBl. 13, REV. D SIIEET4OF 4&IA u. W CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE NO. WBI-DWD-019K SHEET I OF .4 DAE° 11/18/2003 1 AREA: ACCUMULATOR ROOM 4 1RWP NO.:-1 8010: I ELEV, 716'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. 5, REV. C ** Drawings 1-47W406-335A, REV. 0:Flashlights.Ladders Cameras Binoculars Tape measure Sample bags*Penslmarkers

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 4". SEAL WATER RETURN LINE CONTINUED ON WALKDOWN PACKAGE NO. WB1-DWD-001K.

- "T'VA CONTRACT NO. 93NNS-75645C

ýXMAI--Prepared .By::Checked By:*C. G. WALLS Date: 11/18/03 FRANK C. YAO ( c-1-Date: 11/18/03 TVAW001-PROC-01, Rev. 0 Attachment A c......................C f WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDO WN PACKAGE#: WBI-DWD-019K SHEET -OF -..... ......... .. ...... .... .... I............ .. .. ... ......LOCA~~iON INSULATION INSULATION CMET PROBLEM LOCATION" E LEV. AREA DESCRIPTION OD (IN) LENGTH INSULATION TICKLAINES VOLUMEIO JACKET SUCKLE STRAP COMMENTS, NUMBE VR (FTA) TYPE THICKNESS VOLUME MATERIAL TYPE TYPE........ .. ._ _ __ __ __ _ __ __ _ (IN) (FT3) _ _ _ _ __ _ _ _ _ _ _ _ _ _ _ _"" ACCU MU LA 0600200-0a-TOR ROOM 716'I 19 SEAL WATER RETURN LINE 4.50 14.67 R' 1.705 3 50 SS. S'7 NIA 8r OD INSULATION 05 4 o06o200-08. ACCUMULA TOR ROOM 716" 19 SEAL WATER RETURN LINE 4.50 1.17 RMI 4.75 1.12 S.S. STD NIA 14* OD INSULATION 4 0 -ACCUMULA 0600200-CS-TOR ROOM 716' 19 SEAL WATER RETURN LINE 4.50 0.80 RMI 3.75 054 S.S. STD NiA 12" OD INSULATION 06 4.ACCUMU.. .. ..06'00200.c-CS- UL TOR ROOM 716' .19 SEAL WATER RETURN LINE 1.06 3.80 RMI 1.47 Ozi S6S. STD NIA 4" 00 INSULATION 06 0600200-CS-ACCUMULA ......TOR ROOM 716' 19 SEAL WATER RETURN LINE 1.06 1.71 hRMI 2.47 033 s. .StD) WA 6, 0) INiSULATION 4 06 002 0 C A C C U M U LA. ..........0C8 R ROOM 71 9 SEAL WATER RETiU RN LINu 23 1.83 RMI 1.3i 0.1f S.S. STD N/A 6" OD INSULATION 06 ........... ...... ..... .... ....6020C-ACCUMULA 0600200-C8-TOR ROOM 716' 19 SEALWATER RETURN LINE 2.38 0.26 RMII 3.31 0.11 SS. STD NfA 9"OD INSULATION 46 ......................., ...., ......, .................... ........., ......., .. ..... , .. ............... .... ....... .. ...............I ... ....,. .. WALKDOWN PACKAGE No. WBI-DWD-019K SHEET L OF ..j APPROXIMATE INSULATION LENGTH: START FROM PEN. X-44: AT 8' OD INSULATION (4' PIPING): LENGTH = 3.88 + 3[br(6)(900/I80.)] + 3 +.8.38 + 9.87 + 2 + 28.5 + 4 + 36.09:+ 536,09 + 15.5 = 176(1/12) = 14.67FT AT 14" OD INSULATION (VALVE I-FCV-62-61-B):

LENGTH:=

14(1/12) = 1.17FT AT 12" OD INSULATION (VALVE I-TV-62A-715): LENGTH = 9.5(1/12) = O.:80FT AT 4" OD INSULATION (3/4" PIPING): LENGTH = 1.38 + 3 + 3.75 + 18.75 + 3 + 3.75 + 5.62 + 1.75 + 3 + 1.5 = 45.5(0/12) = 3.8OFT AT 6" OD. INSULATION (3/4" PIPING): LENGTH = 7.5 + 6.5 + :6.5 = 20,5(I/12) =1.71FT AT 5" :OD INSULATION (2" PIPING): LENGTH ='21.88(1/12) = 1.83FT AT 9" OD INSULATION (2" PIPING): LENGTH =.32(/12):=:0.:26FT CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WBI-T)WD-019K EXCERPT FROM DRAWING i-47W406-335A

SIIEET4 OF 4 f2 I .I A .-T c. ~ t fit c CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE NO. WBI-DWD-019L SHEET I OF 4 ATE 11125/2003 AREA' ACCUMULATOR ROOM 4 RWP NO.: 8010 ELEV: 716 INSPECTORS.,I FRANK C; YAO, MIKE CALDWELL REF. MATERIALS:

Piping & Equipment Drawings: Cable Tray Drawings: 590955-11OC, SH. 1,-REV.A *Tools: 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 fibrousinsulation (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-MIN-K INSULATION -1 I__________________ I *1.Prepared By::Checked By::FRANK C. YAO -.MIKE CALDWELL 4* Date: 11125/03 Date: 11/25/03 TVAW001-PROC-01, Rev. 0 Attachment A C............. .. .. .C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGEN: WBI-DWD-O19L SHEET 2 OF 4 PROBLEM I .GTH IULATION INSULATION INSULATION JACKET BUCKLE STRAP POLMLOCATION ELEV AREA DESCRIPTION 0D (IN LEGT -THCKNSSAVLUM COMMENTS NUMBER * (FT) TYPE IN MATERL TYPE TYPE (IN) (FTl) _____ACCUMULA N A TOR ROOM 716' 19 WIN-K NA NA MIN-K 072 0042 WA NA NA N/A i~~. ............. .. .~. ......... .......... ..................* ............ ........... ......... .............., * * ....* ....!........ ............ ........, CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE NO. WBI-DWD-019L EXCERPT FROM DRAWING 590955-1 10-C SIIEET 4 OF 4\ ~ I.O, M ON U at I z 4000 )1,90 If CONDUIT IVCI"B I -CO CLUL (F.S.)I F 64~N~-44-4441-U 41C 3%EyAxrio"~ View k=00-AkTCý L4 4- kA.3M4 M .3 WB1-DWD-019L SHEET 3 OF 4 CALCULATION CALCULATE TOTAL MIN-K VOLUME NET APPRX, INS INSULATION PIPE OD TH TOTAL DIA AREA (SQ IN) LENGTH (IN) I TOTAL CU IN TOTAL CU FT 1.9 0.72: 346 6.567 11 72.239 0.042 Enercon Seir4 es Inc.Report No. TVAWOO1-RPT-001 Revision 0 Attachment J ATTACHMENT J: WALKDOWN PACKAGES BINDER 4 AREAS 20 -24 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE NO. WB1-DWD-020A SHEET I OF 1 Z-DATE: 11121/2003 AREA: ICE CONDENSER RWP NO.: 8010 IELEV: 1756'!INSPECTORS: C. G. WALLS. MIKE CALDWELL REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 47W462-12. REV. M Tools: .47W462-412, REV. C Drawings Flashlights Ladders _Cameras Binoculars Tape measure ... I ._ .. .... .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 and determine longitudinal seam location and band spacing if necessary. .4 I 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 See also WB1 -DWD-021 E for additional piping insulation outside of ice condenser.. Prepared By: Checked By: C. G. WALLS (ZNib2- 1 MIKE CALDWELL,~ ~i Date: 11/21103 Date: 11/21/03 TVAW001-PROC-01, Rev. 0 Attachment A C C c I WALKDOWN PACKAGE No. WBI-DWD-020A SHEET -OF APPROXIMATE INSULATION LENGTH: FROmI FLOOR EL. 756' To PLATFORM EL. 769'-10 5/8": AT 5'" !HK. FOANGLASS INSULATION WITH S.S. JACKETING (2" PIPING): LENGTH = 2 X (EL. 769'-10 5/8" -EL. 756.63') + (6 + 19 + :,)(I/12)= 29.03FT ABOVE PLATFORM EL. 769'-10 5/8: AT EL. 771'-6" SECTION: 3" THK. FOAMPLASTIC INSULATION (2" PIPING): LENGTH = (EL. 771'-6" -EL. 769'-10 5/8") + (24 + 26.13 + 13.5 + 26.13 + 12)(I/12)= 10.10FT 3" THK, FOAMPLASTIC INSULATION (112" a 3/8" PIPING): LENGTH : (9 + 5 + 9.5 + 18 + 24 + 9.5)(I1/12) = 6.25FT AT EL. 775'-O0" SECTION: 3" THK. FOAMPLASTIC INSULATION i(2" PIPING): LENGTH = (EL. 775'-0" -EL. 769'-10 5/8") + (30" + 26.13 + 13.5 + 26.13 + 12)(I/12)-14.IOFT 3" THK. FOAMPLASTIC INSULATION (1/2" & 3/8" PIPING): LENGTH = (9 :+ 12 +. 30 + 30 + 12 + 12)(1/12) 8.75FT CHECK VALVES: LENGTH = 2(6 + 12) = 30(0/12) 2.5FT AT SUPPORTS BELOW PLATFORM EL. 769'-I0 5/8: APPROX. VOLUME = [(122 X 8) -(102 X 6)] + [(82 x 18) -(6 2:X 16)] + -'(123 -103)4 [(122 X 18) -(102 x 16)] = 2848(1/123) = 1.65FT 3 c C C wj 2 ETA&L 412 A 412 %,S/8 41/D412>0412 0412 J ,D412 ýVC412 841 4ý4122 A412 PART PLAN EL. 756.63 8 BELOW CA3992335"0 uIr O)VtAS SHO SEE GENERAL NOTE a$1'~53,-9'O :f-ýREACTOR RLDG'p'I! U/r'Artl MAW -CL.3 vNIrONFASSHOW1 CA 7 74 fiE GIMEAAL P071 774 7 0 b) A 'T),kl 7)I........... 'a A 12 .00 SEE NOTE 4 C EL 774--a gl7 -UL 7J_k5~It' Rev J`X-7 wF s.., 07t')A SPECVF/C~~~~~~ NOE FR7WS0IAWNG IOE I~ ~~~~~~~~~ opE92CPVY/A DRWIGIs4W42-2iv INC/CA~- TEdN~LAINT~ A Y(" X~TA146rco SEE ~ ~ ~ ~ ~ ~ ~ ~ ~ 4 /L7,N0E NOA IG 7~Z40.(?M7 I -__, 4. K.I I N37CH 642'tw/ r ONL r Jj~f 8 412P- 8 412 lTS1 T Ii lE UARIC NUUSE.N 47wg.~ ICv~I8~.i EVALVE ONL'r. THE ASJACE T PR P IN S'HALL VE IN~S.UBEF1 902 -1INSULAT ION. ThlE SD2 I NSULA I ON SiA 0. f LYE, US~E T I C .%;JMCEP.S eI1fZq. BIL1292HI, "N7491 R BfP304Md) FOIn iNSJLArION Or TIME VATAIES.fl'y.WUL MI I4 L' VNI,, 07CM1 IfTAW(M #rCW PIPE Imom IINSULs.4T(OA r rp : TEMP 1PIPf 7lInetLXAUPV-1M4/MV ALAURM aiu l~s r 1RANE Iofro CYT w7 =$O lycArN jrrP RCOD size (INS J. VC5CRIPT/CIO______ J RCOO rf ___IF" ZZ2 44,~427-3/4'w..I PP FOAMCLASS: NIA N/A I TM MIA I VAM39923-5 3-C UM-39923-7A Ml~REVISED PER CCA'S M35992.=HANGE REF PREPAREI.13. , 2-112 ý64 A0A*.*4AJ~47C .* ~.* ~*I I I *I I I 1 I I I'2 1 .I I II 3 I I I I I I 1 1 1 1 4 1.I I 11412 14 I I PAR r PLA ELv 769'- /0 516" Lohvlr oXFASPV*W#v

Ft- PF Y2L&REACTOR 8tDC-P.fL aE746-4f I I46ý-I C412 -C412 vi,V-T OAr As sIodwv Ns. NTS NO~TES CON4TINUED:

8 4 4. lb-SUt.ATIO, NIAR NuUlER 917 15 S UD ON S7IANLUSS -EL VAtVES WiTh THE IAAK INMUN&R 471482- AND -I IS FOR ASvO~O HE VALVE ONLY. THEZ ADJACENT PIP) SMALL ED WITH IJAPIK AS NOM) U~aERIDa INSULATION. THE.902 INSULATION SMALL N$OT CONTACIT THE VALVE. use TIIO NumaiRS RPHiS26Y, BLL292H.ý SCR149M. AND 3A73CC (OR FP04M1 FOR INSULATION OF THE ViALVES.htvf4~ Tr AC r RAoUM /A CCESS A'ATIM, A XCESS'7 -0c pc-l_?op!2-V~h. io.t IA V'412- £412 Av//7 /£IN/T-ZF4 4/__7B I I~1 S7Z ~r/~1&000 W2/rx2* Tk EADEO I~4 -..¶ W~PPESIAI CAPS I SEE NO E 4 -D -a .P4A N G-G DOCAlL D 412 AY-PASS PENWWTANS X-11i vNIT rowe As SNo wA'DETA/L- A4/2Z GLY'COL COOLEDFROO PENE'TRAr1ONS Xk-114 X-1IS r 0 r we'oc K0 1/21*2' 'U EACED NdIPPLES It CA.PS N'AA, -DCA 3992 3 9 If-H;i SEE fNsILA1T(ON plaE ON 47W402-471 COKCENIna iPIPING BELOW.f PeTrwN I-E S/lIAY sEPARAnTI ALWRSUPPL W CAP SO,%-..... *wrO DEWAL C412 er- PAss Pe~t"MAT/OS r #5 a'ny r /sE AS SHOC WN V iZ'Xz "ea_? .I I-J 1 -_=~IL J Z ...- I Il-r ~' I 4-pp V 6"d / I.1 SCALE- 3/15"aI'-O" EXCEPT AS NOTED REACTOR 8 AUXI ILJIN 'ONI Y UNITS!2 My II MECHANICAL, INS/HT TRACING ICE CONDENSER SYSTEM I WB VURE 020A-1/,t ,.11-PAC PIC" I,I-at.-~ ~~i ,,i~...~.-~ ~C. -2.* ~1...2; 2'2 t_C.. .. ...... ... I .. .. ................ WB1-DWD-020A PAGE "9 OF /17 PICTURE 020A-2 / 4.. .. ...~, I 4 WB1-DWD-020A PAGE /o .OF /2-PICTURE 020A-3 SSt I~ ~ N7-"IN;v,'~. .. .. ..-*:~ ~I: WB1-DWD-020A PAGE 1/ OF '2-I PICTURE 020A-4. .OA PAGE /2OF/2 WB 1-DWD-02 PICTURE 020A-5..!T,,f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f .: .*).LZ~. *A~J.v..-*-.-~ CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BARIN. P. UNIT1 WALKDOWN PACKAGE NO. WBI-DWD-021A SHEET ./ :OF 3*DATE: 12101=2003 AREA: ICE CONDENSER' RWP NO.: 8010 ELEV: VARIOUS INSPECTORS: 'C.G. WALLS, MIKE CALDWELL..". .REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings:_ 44W290-1, REV. D Tools: 44W290-2, REV. B Drawings 44W290-3, REV. B Flasflights 44W290-4, REV. B Ladders 44W290-5, REV. B Cameras. 44W290-6, REV. C Binoculars Tape measure Sample bags Pens/markers _'INSPECTION LIST: ITEM NO. DESCRIPTION I Verity 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 eleclrical components and cabinets COMMENTS SEALS BETWEEN ICE CONDENSER & CONTAINMENT VESSEL.4 C. G. WALLS Prepared By: Checked By: MIKE ýDate: 12/01/03:Date: 12/01/03 TVAWOOI-PROC-01, Rev. 0 Attachment A c C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#O. WBI-WD-O021A SHEET O a .. ..' '. ' .. ........ ....... .. .....PROBLEM LOCEATION £LE. AREA DESCRIPTION: o(IN) LENGTH. su o INSULATION INSULATION JACKET BUCKLE STRAP NUBE OCTON£EV RE ESRITON 0 (N (T TP THICKNESS" VOLUME MATERIAl. TYPE TYPE COMMENTS NUBR(FT) TYPE (I) (FT3) ..1 EI: YE TP ICE SEE WA CONCENS 803" 21 VENT-CURTAINS NIA CALO SEE CALC SEE CALC 2.20 NIA S/A tLA: E R ...............ICE SEE SECL AC 83 / / /14A CONCENS 803' 21 SEAL FRAME & VESSEL SHELL NIA cSC SEE CAtC SEE CALC &34 NIA N/A NA ER*. ........ 3 WALKDOWN PACKAGE NO. WBI-DWD-021A 'SHEET.; OF SAPPROXIMATE INSULATION VOLUME: AT'VENT-CURTAINS (SEE SECTION Fl-Fl): CONSIDER FLEX ýMATERIAL To BE NYLONWOR FABRIC NOT To EXCEED 1/8" THICK, APPROXIMATELY 8 I12" HIGH.: END WALLS LOCATED AT AZ 2450 & 3050: APPROXIMATE LENGTH = "nr.(56'-10 112')(2450 + 3600 -2450)/1800 =1298FT VOLUME = (8.5 X 0.125)(1/12

2) x 298= 2.20FT 3 AT SEAL FRAME & VESSEL SHELL: CONSIDER FLEX MATERIAL To BE:NYLON OR FABRIC NOT To EXCEED 0.10" THICK (SEE NOTE I OF DWG. 44W290-6)

& FLAT WIDTH To:BE 7 1/2" (SEE SECTION A6-A6): LENGTH = r,(57'-2`)[3600 -(267.340 -254.10)]/.1800 + 2(820.71 -714)+ 7(21.5) + (744 -702.78) + (751.34 -702.78) + 2.0 = 804FT VOLUME= 2(7.5 x 0.10)(I11122) x 804= 8.,38FT 3: CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO.WBI-DWD-021B SHEET -OF //DATE: 11/21/2003 1AREA: I ICE CONDENSER RWP NO.: 8010:ELEV: 745'-INSPECTORS: C. G. WALLS. MIKE CALDWELL.REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 47W462-11. REV. J: Tools: 47W462-12, REV. M Drawings .47W462-411, REV. 4 Flashlights 47W462-412,-REV. C-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 THIS INCLUDES PIPING TO UPPER CONTAINMENT FLOOR EL. 756.63'.DUE TO INACCESSIBILITY PER PLANT OUTAGE, PIPING AT EL. 745.69' WERE NOT INSPECTED. Prepared By: Checked By: C. G. WALLS.Date: 11/21103 MIKE CALDWELA*= jýh/4 Date: 11/21/03 TVAW001-PROC-01, Rev. 0 Attachment A Cr C ...WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALK'OWN PACKAGE#: WB1-DWDO-021B. SHEETZ OF & ' '-INSULATION INSULATION ..UL TC E LENOTHEINSULATIO THICKNKSS VOLUM PROBLEM LOCATION ELEV. AREA DESCRIPTION 0O (IN) LENGTH INSULATION THICKNESS VOLUME MATERIAL TYPE TYPE COMMENTS NUMBERT) TYPE (IN (FT3) .... .......... .ICE GL'VCOL RETURN/SUPPLY N/A CONDENS 756* 21 LINES 238 31800 FOAMGL'%SS 3 111.97 S.S. NfA STD ER ICE GYO EUNSPL NIA CONDENS GLYCOL RETURNSUPPLY 1.05 264.00 FOAMGLASS 3 69,98 S.S. N/A 6TD CNEN 756 2LINES ER.___ICE N/A CONOENS 766' 21 DRAIN LINES 12.75 255.00 FOAMGLASS 3 262.86 5.S- Ni/A STD E R ' .... .... ......... ....-.........~~~~~. ....... ............ ...* ............-, WALKDOWN'PACKAGE No. WBI-DWD-021B SHEET -- OF APPROXIMATE INSULATION LENGTH: STARTING FROM FLOOR EL. 756': AT 2" PIPING: LENGTH = 2 X (EL. 756.63' -.742') 4r (2 X SIN6.54/2 x 55.75)1 (2 X SIN6.54/2 X 52.67) + 13 + 2.5 + r.(5 2.1 7)(180c/1800) +.r,(52.17)(51.72 0/1806) + 7-.(52.17)(54.02°/1800) = 318FT AT FLEX HOSES (3/4" 8 1/2"): LENGTH = [(4 x 26.5) + (2 x 5 .) + :(2 x :8)](I/12) x :24 BAYS = 264FT AT ý12" PIPING: LENGTH .= [(56 + 25 + 48)(I/12):X 24 BAYS] + r,(46.58)(45.5/1800) = 255FT It/ff I2)vD 2 -z 754l D w r 5 6 A'A-i PLAN VIEW OF THE FLOOR CRAIN NA~3xm Ij& I~ "Lasw w7 S-A10 SECTICN A-;A 041/r A~A, STE A10... 1 Cso'I COT O 3fl5VO.'I "TA (INITN AS W WH&w1 VGA U 3992-53~5.0Qi i I H UNTSi~SPECIFIC NOTiS FOR TI/S.- DRA WING.' NOTE CONTINUED T11E~~~~~~~~R(~~ RW(HSCI 4AhGS4w&-2 VvIm THl MARK NUMBER-47 462-300 (1-CI(V-OfiI-491 At ,r mic~rs tv z Arov~r,-e ~zz.rypr excpr A NOTD) TE VALVE ONLY. THIE ADOJACENT P I PINC SrIALL BE IN!INC/C~~~~~~~~~~~rts~~UWE IN/tA/NTP A.TP 2EC~ SNTD u~r 02 ItNSULATION. THE 902 INSUILATION4 SHAILL ()VALVE. USE ITI IC NUMBERS BlPHg26-. L22.D74 3. SE "NEfRAL NOTIS ON PRA WING 47W462-402. (OF' BFP3044J) FRcffINSIJLATICP4 Of TI-E.VALYES.-t I PIPE ArI2N TrYpE FDSCAI;ýPTON ALARN REOD DCA M9235 (F FOAAVCASS: ..I ., k .A CCESS HATCHN\ ACS 775-0 Z *1 8AY2 A 55L'.0 /o R4ACo 8i $P,0CO~f, CAPp Sri.to N / Ar EL~~~~9 74*r. 74*?Y I, S SLO 8412W 9,BELOW PARr PL-A N Fl- 76-9"-/ 50 10.1iT OoVF ASS"OWA C41? -C 4/2 EM. AR GED 11N.7T OA-4 AS SOWN NhOTES CONTINUEDt S. INUAION MiARK( NUUATR 217 'WHICH IS LS'E0 ON STAINLESS STEEYLS-WITH ThE UAAw( NUJUER 471462-300 1 1-OXV-OW1-692 AND -0745~S O-pr AS NOTED) THE VALVE ONLY. THE ADJACENT PIP ING SAALL BE INSULATED WITHI UA"Y(NUIJSO 902 -INULATION. T14E MA2NSIJLATION SHALL NOT CONTACT THE ALVE. USE TIIC N'14MEP.S OPH922Y. OLL29211. 8CNt741W. AND CAM72C"'!OR.BFPSD4U) FOR INSUJLATION Of THE VALVES.HEATr r RACM Rim ovokym 1 fl7A.AM/N JALARM ctwnwi1 FLO oDAN~rM Ft P IREOD DCA _19923 5 3 CON, r.,r OCA0 C C C-2 3 4 6 I~lI :Ii~~, I~i~t I I II II I I ~~ II I I i N,441Zui PART PLAN EL. 756.638 9 BLOW.vCA Uj39925 3 Nr~ S~'4A PA R rPLAN ZZ 76.9 0/ 518'twilr ONE' AS ShOWN Turf GNEAAL MOTE A W39 g25 t'77 R EXPAP1W/ýil src M6TE 4 JBr PA SS SWt-E Ul* ` DETAIS 0C412aD41. EL 770'-d-1/2' 6CA 939'8Y-,P4S UNI r ol CHW ___SCALE: 3/8t I'-0" REACTOR S AUXlU UNITS iý -I MECHANICAL ICE CONDEN.I WATTS BI TENNESSI DMSME SUBMITTED r l ..F~sI DE'TA/L R 412 wIT ON( AS S.9OWNl PolssIJEFCRZCN 3620 C0MP4N00N IDRA W/OS: FINPCED N APPROVED FOR~ ISsue-~ *IflU~,,,QCp DC/i P040714 0-0.pIIff/- Tvv -9271f jq,- LV a 7st. X~.;1 -7AAZ- 4/11)joCA4 P040 1 4-1 1-1)(CA P04014-1 2-0 k1'~~t D 6 av IK 90, CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE NO.WBI-DWD-021C SHEET /OF 5 DATE: 111242003 AREA: ICE CONDENSER RWP NO.: 8010 ELEV: .819'-7%1/2" INSPECTORS: C. G. WALLS.'MIKE CALDWELL REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 1184F28, SH. 1, REV. 5 *Tools: 1184F28, SH. 2, REV. B *Drawings 1184F81.SH. 1, REV. 4_Flashlights 11 84F8 1, SH. 2, REV. 4 Ladders 1184F81, SH. 3 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 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 Iransported 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..TVA CONTRACT.NO. N3M-2-19 TOP DECK BLANKET ASSEMBLY AT ICE CONDENSER.

Prepared By: Checked By: C. G. WALLS MIKE CALDWELL zbýJ/Date: 11/24/03 Date: 11/24/03 TVAW001-PROC-01, Rev. 0 Attachment A

C C WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS WALKDOWN PACKAGE#: WB1.DWD-021C. SHEETZ, OF _PROBLEM LOCATION E LENGTH INSULATION INSULATION INSULATION JACKET BUCKLE STRAP COMMENTS NUMBER LOAINELEV. AREA DESCRIPTION ED JIN) (F) TYPE THICKNESS VOLUME MATERIAL T YPE ITYPE CMET-UMBERK(F-_ TPE (IN) (FTS)ICE TOP DECK BLANKET SEE STITCHE NA CONDENS ASSEMBLY SEE CALC SPONGE 0.75 444.00 sS. N'A 2BLANKETLAYERS ER iAS Y S..... ,. .. ..........-.. ....", , , , , ............. WALKDOWN PACKAGE No. WBI-DWD-021C SHEET .:1 OF O APPROXIMATE INSULATION VOLUME: LENGTH OF BLANKETS = 162.25" (13;52')CONSIDER INSIDE RADIUS = 43.5' AND OUTSIDE RADIUS = 57.02', ENDS OF WALLS AT AZ. 2450 & 305': VOLUME = [,4-(57.022 -43.52) x (2 x 0.75)/12][360: -(3050 -245°)]/360 = 444FT 3 MOO WBI-DWD-021C PG 4OF PICTURE 021C-1 ANA*~*'. -1 to n 0t..4..Po.!ONE.3-4 4.M..;TOO.-3..3 3 ~ ~ ~ ~ ~ ~ 11 ,.,4..... V AN.N.'V~ V.-'.33..~~ ~ ~ N ..*

t 3 & .4 3 -..4. .t3 s .~ l ... .... .. .. ..
~~7 oil'* -"..*,~72I;> WBI DWD "0210 PG 5O '- ~ .~ ~ "4.tCDA AlPICTURE 0210C-2~FIN.'. ..'.4..'.........N

................ 3..~"'a 3"4~" ..ra- f'.. f'A M y -.4.- fit.'3 .-4~-,- f'y '"e "' '43+/-- 4 .7......4.3' .~C43.<.3'4 .... 0 0 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO.WB1-DWD-021D SHEET. I OF &DATE: 11/25/2003 1 AREA: ICE CONDENSER I RWP NO.: 8010 ELEV: 8031-0" INSPECTORS: C. G. WALLS, MIKE CALDWELL REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 47W462-408, REV. F Tools: 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 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. .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_ICE CONDENSER END WALLS (AZ. 245- & 305-) AND EQUIPMENT. ACCESS DOORS.Prepared By: Checked By: C. G. WALLS Date: 11/25/03 MIKE CADEL,?ý C Date-V 11/25/03 Attachment A TVAWOO1-PROC-01, Rev. 0 G C C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#; WB1-DWD-021D SHEET 2 OF _ .. ... ...P MLENGTH INSULATION INSULATION INSULATION. .ACKET BUCKLE STRAP PROBLEM LECTTO IULTO ATTHICKNESS VOLUME COMMENTS NUMBER LOCATION ELEV. AREA DESCRIPTION OD(IN) (FT) TYPE (IN) (FT3) MATERIAL TYPE TYPE IZE.SEE FOAM W!A CONDENS 803T 21 END WALLS/DOORS SEE CALC E1 40.20 NIA NOA AA E R ~~~~ C A L C R U B SB E R14 0 2N AN A A ER............. WALKDOWN PACKAGE No. WBI-DWD-021D SHEET -:. OF APPROXIMATE INSULATION VOLUME: END WALLS AT AZ. 245c5 & 305 0 WITH I" THICK RUBBER FOAM INSULATION: CONSIDER THE FOLLOWING: INSIDE RADIUS = 43'-0" AND OUTSIDE RADIUS =57'-67, CONSIDER TOP EL 819'-7 :1/2" & BOTTOM EL 803'-0" AREA AT EACH WALL/DOOR = [(819'-7 1/2") -(803'-0")] x [(57*-6") -(43'-0")] = 241.2FT 2 TOTAL VOLUME = 2[241.2 x 1(0/12)] = 40.20FT 3 WB1-DWD-021D PG 4d OF .__PICTURE 021 D-1 II I 4 I'l p I.... ..... .*:::. WBI-DWD-021D PG ..S. OF.. 4ýPICTURE 021 D-2~.-~ME WBI-DWD-021D PG 4 OF 'I:PIC I UKIZ 02L U-0 1.

CONTAINMENT -DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO.WBI-DWD-021E SHEET / OF2 DATE: 11/26/2003 AREA: ICE CONDENSER (SEE COMMENTS BELOW) RWP NO.: 8010 ELEV:. 803'INSPECTORS:

IC. G.-WALLS, MIKE CALDWELL REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 47W462-7, REV. J Tools: 47W462-8, REV. R Drawings 47W462-9, REV. F Flashlights 47W462-408. REV. F Ladders .47W462-409. REV. B Cameras 47W462-410, REV. B Binoculars 47W462-414,.REV. C Tape m easure .._.. .._._...... .. .......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. 5Inspect 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 GLYCOL RETURNISUPPLY LINES & HEADERS.THIS INCLUDE PIPING OUTSIDE THE END WALL (AZ. 305-)._____ ee at~ VQ t-bb 02A k 014,oh' Od W t eW'-r.(46/2ýv___- Prepared By: Checked By: C. G. WALLS MIKE CALDWEW~9~6 --. .....( ,7 v -J Date: 11/26/03 Date: 11/26/03.TVAW001-PROC-01, Rev. 0 Attachment A C C C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALKDOWN PACKAGE#: WBI-DWD-021E. SHEET_ OF _._ ......... .... ...INSULATION INSULATION AKE" UKESRP PROBLEM LOCATION ELEV. AREA DESCRIPTION. 00 (IN) LENGTH INSULATION THICKNESS VOLUME JACKET BUCKLE STRAP COMMENTS NUMBER (FT) TYPE (IN) (FT3) MATERIAL TYPE TYPE ICE S S. JACKETING USED ON SOME NIA CONDENS 803' 21 GLYCOL SUPPLY LINE 663 29.81 FOAMGLASS 3 18.78 WA NIA NA PIPING OUTSIDE CF ICE ER CONDENSER BAY ICE S.S JACKETING USED ON SOME N.A CONDENS 803' 21 GLYCOL SUPPLY LINE 450 1430 FOAMGLASSý 3 7.02 NWA NIA NfA PIPING OUTSIDE OF ICE ER CONDENSER BAY ICE S.S. JACKETING USED ON SOME N/A CONDENS 003' 21 GLYCOL SUPPLY LiNE 4.50 553.47 FOAl/PLASTIC 2.5 211.31 N/A N/A N/A PIPING OUTSIDE OF ICE ER CONDENSER BAY ICE S.S. JACKETING USED ON SOME RIA CONDENS 803' 21 GLYCOL RETURN LINE 6.63 10.00 FOAMGLASS 3 830 NIA N/A N/A PIPING OUTSIDE OF ICE ER ..CONDENSERBAY ICE S.S. JACKETINGUSED ON SOME WA CONDENS 803' 21 GLYCOL RETURN LINE 450 29.67 FOAMGLASS 3 145ý .55 NA N/A N;A PIPING OUTSIDE OF ICE ER CONDENSER BAY ICE S.S. JACKETING USED ON SOME NMA CONDENS 803' 21 GLYCOL RETURN U84E 4.50 62,900, FOAMPLASTIC 2.5 .201.97 NAA N/4 N/A PIPING OUTSIDE OF ICE ER CONDENSER BAY ICE NA E GLYCOL SUPPLY BY-PASS 084 7.17 FOAMPLASTIC 2.5 1.31 N!A NIA N/A ER LINE N/A CONDENS 803' 21 LINE NIA CONDENS 803' 21 GLC LINELYB-PS 0 84 0.50 .FOAIAGLASS' 3 0.13 N/A NJA N/A VALVE ER LN ICEGLOLRTR YAS N/A CE GLYCOL RETURN BY-PASS 0.84 8.27 FOAMPLASTIC 2.5 1,51 N/A N/A N!A... C.O.N.E. ER 21.LINE SER.E ICE G'LYCOL RETURN BY-PASS -.N/A CONDENS 803' 21 G -0.84 0.50 FCAMGLASS 3 0.13 NA NIA NA VALVE ER LINE ICE.GLCLEPNINTK N/A CONDENS 80.T 21 GLYCOL EXPANSION TANK 3.50 0.59 FOAMPLASTIC 2.5 019 NiA NIA NIA ER LINES ICE I/A CONDENS E03' 21 GLYCOL EXPANSION TANK 1 32 32.72 FOAMPLASTIC 2.5 682 N'A N/A N/A ER LINES ICE NA CONENS SY 2 GtLYCOL sUPPLY/'RETURN NIA CONENS 8LNT U 21 1.32 75000 FOAMPLASTIC

2.5 15626

NA N"A N,/A ER LINES TO AHU'S ICE N/A CONDENS so0 21 HEADER LINES 1.90 462.55 FOAMGLASS 3 148.34 S.S. NIA STD ER., ICE N/A CONDENS 803' 21 HEADER'AHU DRAINS/TRAPS 1.93 150.00 FOAMGLASS 3 48.11 S.S. NtA STD ER ICE N/A CONDENS 803' 21 HEADER'AHU DRAINSITRAPS 1.00 60.00 FOAMPLASTIC 2.5 14.40 S.S. NIA STD ER WALKDOWN PACKAGE No. WBI-DWD-021E SHEET ..- OF Zq APPROXIMATE INSULATION LENGTH: AT GLYCOL SUPPLY LINE STARTING AT PEN. 47A NEAR VALVE I-FCV-61-192: 3" THK. FOAMGLASS INSULATION (6" PIPING): LENGTH 6 + 5[r9(900/1800)] + 22.5 + 182.5 + 64.81 + 5.63 + 5.5ý358(1/12) 29.81FT 3" THK. FOANGLASS INSULATION (4" PIPING): LENGTH = (78 + 93.5)(I/12) = 14.30FT 2 1/2" THK. FOAMPLASTIC INSULATION (4" PIPING): LENGTH 7= 7[i6(900/180 0)](I/12) + (0.75 + 4 + 156 + 32 4 L, + 254)(I1I2) + Ir(56.75)[3600

- (3050 -:231.70)]/1800

+ ,r.(45.25)[3600 -(305 0 -231.7l)]/1800 = 553.'47FT AT GLYCOL RETURN LINE STARTING AT PEN. 47B NEAR VALVE I-FCV-61-194: 3" THK. FOAMGLASS INSULATION (6" PIPING): LENGTH = 6 + 2[-.9(900/1800)]:+ 62.5 + 5.65 + 5.5 + 5.63 + 5.5= 120(0/12) = 10.00FT 3" THK. FOAMGLASS INSULATION (4" PIPING): LENGTH = 55.87 + 77 + 4,[r6(90"/1800)] + 35.5 + 47.63 4 102 356(1/12)29. 67FT 2 1/2" THK. FOAMPLASTIC INSULATION (4":PIPING): LENGTH = (11.8.7 4 4)(1/12) + [r,4(900/180°)](1/12) + 140.5(1/12) + [,rr6(900/1800)](I/12) 4 40(0/12) + irr(56.75)[3600 -(3Q5 0 -231.70)]/1800 + ,Tr(45.25)[3600 -(305 0 -231-70)]/1800 = ý529FT AT BY-PASS LINE FOR GLYCOL SUPPLY: 2 1/2" THK. FOAMPLASTIC INSULATION (1/2" & 3/8" PIPING): LENGTH = (18 -6) + 18+ 17.25 + 30 + 8.69 = 85.94(1/12) = 7.17FT 3" THK. FOAMGLASS:INSULATION (1/2" VALVE): LENGTH 6(1/12) = 0.50FT WALKDOWN PACKAGE No. WBI-DWD-021E SHEET ._... OF 2.AT BY-PASS LINE FOR GLYCOL RETURN: 2 1/2" THK. FOAIPLASTIC -INSULATION (1/2" & 3/8" PIPING): LENGTH = (18 -6) + 24 + 18 + 12 + 33.19 =99.19(1/12) =:8.27FT 3" THK. FOAMGLASS INSULATION (1/2" VALVE): LENGTH = 6(1/12) = 0.50FT.AT LINES To GLYCOL EXPANSION TANK: 2 1/2" THK. FOAMPLASTIC INSULATION (3" REDUCING ELBOW): LENGTH = [7/4.5(901/180°)](I/12) = 0.59FT 2 1/2" THK. FOAMPLASTIC INSULATION (I" PIPING):::LENGHT = (33 + 24 + 30 + 12 + 33 + 8.62)(i/12) + 11.5+ 2(33 + 9 + 9+ 6)(I/12) = 32.72FT AT GLYCOL SUPPLY/RETURN LINES To AHU's: 2 1/2" THK. FOAMPLASTIC INSULATION (I" PIPING): CONSIDER AVERAGE TOTAL LENGTH FOR EACH UNIT: LENGTH = 25FT X 30UNITS = 750FT AT.HEADER LINES (EL. 807'-10"+/-): 3" THK. FOAMGLASS INSULATION (I 1/2" PIPING): LENGTH = 7.(55.42)[1800 -(3600 -3100)j/1800 4-+ r(55.42)(240 0 -1010)/1800 + 7r(46.75)[180' -(360' -310*) -(90' -83)]!/1800 + .r(46.75)[232c -1070)1/1800 = 462.55FT AT HEADER/AHU DRAINS/TRAPS: 3" THK,. FOAMGLASS INSULATION (I 1/2" PIPING)::LENGTH = (30 x 60)(I/12) = 150FT 2 1/2" THK. FOAMPLASTIC

INSULATION (I 1/2" PIPING): LENGTH = (12 X 60)(1/12)

=.60FT (_C 6 ... ,... 7 I 8 !9 ,.,, .. 10 t .1,1

t PARr PLAN ct 806 '47 AIN --DA..iP- 047/tC 27 I.~ K cLYcoc I I P,77IIA~ I ~.i fOA' CC.VlZ4 Mt e4/O-2f/O&-e rea~ uXAnyimO rA'A' I DR R4tl, PLA OW, If s It& .Z 17~

q, I&c PART PZAN &L 6Oý-1j'd e8(ow t PARTnPA/I Ct eO4 -4'r Ygvfr 0' V*AS-M~OWV 2i7 -7A ?-46g, )F p~ -7 D, `5 YVIe FOAM RUBBOER ON OUTER. EWE..I, I I)90 III" ri. 9' ýiiI SY Ut u.,. EE NOTE 4 t'c4IVI I I I r2 mI ,8Y-PASS E 016 a -Ico SEE DETAIL J414 GUMCO C004.ed rtil&'fl? enf~~F C4YaM SEE GEEPIALmo )NO 47w462-402 FO,, INSWIATON ov rf --s/~-.'--CO c No, DRAWING& SH 402 F OR OR)CANAL SIGNATUR.ES, SEE MAICROFILMA COPY L T. SpECTED AN) APPROV'ED FO iS.UE (10',-Wfftr ONE"F 1" 5376i T gm, REVISED PER DCAS' 50375-26-0 ROEV ".h!RvPREPARE CHXD..StJPV SCALEt 114"-11-O1 REACTOR & AUXILIAR UNITS 1 & 2 MECHANICAL INSULATION/HE ICE CONDENSE WATTS BAR .I TENNESSEE Vi DIVISION OF El SUBMITTED I ecc--X;L - 8 ,,. ,86 1-2 R.OD, RO U W- 90'C114 -0414 7'r' 3 PtACE'S 72U~.d7sWd&CZ-41,,/02.C REV SCALE* I/BY.REACTOR aýUNITS Ia2 MECHANICAL, INS/HT TRACI ADDITIONAL EQUIPMENT BU.ICE CONDENSER SYSTEM B414-8414 AIRHA/V0UVi7(11v£/r~pA'A4. rrp" 4 PLACCS FOR 2 UMTS NTs WATTS BAR NUCLEAR PLAI TENNESSEE VALLEY AUTHORIT D)VINON oF ENGIEERING DESION V qutmTtE *clC E.1 ,AND APPRVED FOR ISSUE KNOXVfLLEj -1 s5 M 47W462-414 I----- ----1.1 P ~ IDCA(C PLASTIC 2 REO/s A5 2~- 6 WD -02 2~uje~. e77W c~i~A 11 UNIT P P,4 /?OLYCO,-N71S OCA M239'923-4 1-I kh I0i D $2/& NOE1E 9- -C-6-9 Th~~~. S7At624/0I I ryTe 'ROW' f 'WB I-DWD-021 E F'PICTURE 021 E-1~ -It IvýAw od " no No2 IN AVN.G // OF Z?U, GLYCOL PIPING 1 I C '1':.: J! .' .......... '" ; ... .i ....' : GLYCOL PIPING le--WB1-DWD-021E PG /Z OF Z?PICTURE 021 E-2 r, WBI-DWD-021E PG /3 OF 27 PICTURE 021E-8 GLYCOL PIPING i: i i c-WB13-DWD-021E PG/4 OF Z.?PICTURE 021E-9 I, ~1.I 11-1 GLYCOL PIPING~" I le-.q F ~ '2~ ;~v~F~F ~~('A* ~,~I 4~WBI-DWD-021E PG /5 OF Z...PICTURE 021 E-3 GLYCOL PIPING C'r WBI-DWD-021E PGO/0 OF 29 PICTURE 021E-4 GLYCOL PIPING C ,,.-/-7i>1..........7 a a GLYCOL. PIPING WBI-DWD-021E PG /7 OF Z7.PICTURE 021 E-5 C"i !: GLYCOL PIPING WB1-DWD-021E PG/' OFb_7 PICTURE 021 E-6 1-r GLYCOL PIPING WBI-DWD-021E PG /D OF Z9 PICTURE 021E-7-...Z ....... :,~:is GLYCOL RETURN PIPING GLYCOL SUPPLY PIPING WBI-DWD-021E PG Z.._.OF ZY PICTURE: 021 E-1 0 C.GLYCOL RETURN PIPING-f GLYCOL SUPPLYPIPING WBI-DWD-021E PG 2 OF ZOF PICTURE 021 E-11 C GLYCOL PIPING'A'WBI-DWD-021E PG ZZOF.Lf PICTURE 021E-12 WB1-DWD-021E PG 23 OF 29 PICTURE 021 E-13 yaiIY7'x C-WB1 DWDO02IE PG~y-OF27 ODIC'TII r()1 I 9=4k['- l t,..nl vl.., ! t,,.,.-m'r ~~;5~*-~*4 1ý La'sill Of IB' A01-1 ir-C--WB1-DWD-021E PG 2-5"OF 29?PICTURE 021 E-15-~4 ~ ~.t(."./~ N N. -( 4~-. ,.....~-L ..1/2'~ ~N..~\ ~ -,* *~~>-NV -~-/v6.~. WB1-DWD-021E PG 29'OF.29 PICTURE 021 E-16 YIN k~ )fl~ ~C r Ni~(~'~1..r ~ < f~: ,j~ ~-'. -.',..' '--~m/p ti-n kA/ -n gi i= Om .--'7r)p PICTURE 021.......... E-17.... .....+ I.4~.......... r F <Fr. *~j WB1-DWD-021E PG Z_'OF Z.9 PICTURE 021 E-18 rC V.-~I K>~WB1-DWD-021E PG2,:OF Z._7 PICTURE 021 E-19 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE NO.WB1-DWD-021F SHEET /OF 5 DATE: 11/26/2003 AREA: ICE CONDENSER RWP NO.: 8010 ELEV: 803'INSPECTORS: C. G. WALLS, MIKE CALDWELL REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 1196E73, SH. 1, REV.C _Tools: 1196E73, SH. 3, REV B 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* TVA CONTRACT NO. N3M-2-19 ICE CONDENSER TOP DECK BEAMS Prepared By:.Checked By: C. G. WALLS Date: 11/26/03 MIKE CADW Date: 11/26/03 TVAWO0i-PROC-01, Rev. 0 Attachment A C........... .. ......I ... ....C. ... .......C WATTS BAR NUCLEAR PLANT UNIT 1 WALK DOWN RESULTS NVALKDOWN PACKAGE#: WB1.DWD-O21F SHEET_2c OF .;_5 PROBLEM INSULATION INSULATION JACKET BUCKLE STRAP POLMLOCATION ELEV. AREA DESCRIPTION 00 (IN LENGTH INSULATIONTHCNS VOUEOMNS NUMBER (FT) TYPE HICKNESS VOLUME MATERIAL TYPE TYPE COMMENTS (IN) (FT3)ICE SEE N/A CONDENS 503 21 TOP DECK BEAMS NIA CALC FOAMPLASTIC 1 1376.00 N!A RA NIA ER WALKDOWN PACKAGE'NO. WBI-DWD-021F SHEET OF APPROXIMATE INSULATION VOLUME: NUMBER OF BEAMS = 15 CONSIDER EACH BEAM SIZE To BE EQUIVALENT To WI0 x 77: FROM REF, AISC 7TH EDITION: DEPTH = 10.63", WIDTH = 10.25", FLANGE THK. = 0.88". WEB THK. = 0.56" CONSIDER LENGTH OF EACH BEAM = i5'-4" OR 15.34FT ADD 10% INSULATION TO ACCOUNT FOR ADDITIONAL INSULATION AROUND CONDUITS, ETC.INSULATION CONSIST OF I" THK FOAMPLASTIC CROSS SECTION AREA AT INSULATION = 2(10.25 x I) + 2[(10.63 -.2[0.881) x I]+ 2[(10.25 -[0.56 + 2]) x I] + 4[(0.88 + 2) x I]: = 65.14(J/122) = 5.43FT 2 VOLUME =1.10(5.43 x 15.34 x 15 BEAMS) = 1376FT 3 I lij WB I -DWD-021 F PG OF P ICTU RE 021 F-I........................... .......J:ý ,E4" TOP BEAM TOP BEAM WB1-DWD-021F PG. 5 OF PICTURE 021F-2 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WB1-DWD-021G SHEET / OF 7.DATE: 12101/2003 AREA: I ICE CONDENSER RWP NO.: 8010 ELEV: 803'INSPECTORS: C,.G. WALLS, MIKE CALDWELL*REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: NIA 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 andior 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 FLEXIBLE DUCT CONNECTIONS S f,! A (J/J 4 6 Q~-Prepared By: Checked By;C. G. WALLS Date: 12/01/03 MIKE CADEL Date: 12/01/03 TVAWO01-PROC-01, -Rev. 0 Attachment A tC C C WATTS BAR NUCLEAR PLANT UNIT i WALK DOWN RESULTS WALKDOWN PACKAGE#' WB1-DWD-021G SHEET _Z OF .... ...LENGTH INSULAT INSULATION INSULATION NUBLEM LOCATION ELEV. AREA DESCRIPTION. (IN L T INSULATION INSULATUME JACKET BUCKLE STRAP COMMENTS NUMBERM (FT) TYPE ,C(N,,SIN) VFT3O MATERIAL TYPE TYPE I C E " N(A CONDENS 803" 21 DUCT FLEX CONNECDIONS NIA CALS SEE CALC EE CALC 0.32 NIA N/A NRA ER L ICE SEE NIA CONDENS SOX 21 DUCT FLEX CONNECTIONS N!A CAI SEE CALC SEE CALC. 4.59 NIA NIA N/A ER CALC WALKDOWN PACKAGE No. WBI-DWD-021G SHEET -OFAPPROXIMATE INSULATION VOLUME: AT DUCT CONNECTIONS PER PICTURE 21G-1: CONSIDER FLEX MATERIAL To BE NYLON OR FABRIC NOT To'EXCEED 1/8" THICK, APPROXIMATELY 6" WIDE X 6" DEEP X 6" :WIDE: NUMBER OF AHU's = 30 VOLUME = [2(6 + 6) X-6 x 0.125) x 30 = 540(I/I23) = 0.32FT 3 AT DUCT CONNECTIONS PER PICTURES 21G-2, 21G-3 & 2IG-4: CONSIDER-FLEX MATERIAL To BE NYLON OR FABRIC'NOT To :EXCEED 1/8" THICK, APPROXIMATELY 12" WIDE X 18'.DEEP x 6" LONG AND SPACED APPROXIMATELY 36" APART: END WALLS LOCATED AT AZ 245' ° 35 0 5: APPROXIMATE RADUIS AT DUCT = (57.5 + 43)/2 = 50.25FT CONSIDER APPROXIMATE NUMBER OF SECTIONS = 2[-r(50.25 x 12)(2450 4 3600 -2450)/1800]/36 = 176 SECTIONS VOLUME = [2(12 + 18) X 6 X 0.125] x 176 = 7920(1/123) = 4.59FT 3

WB1-DWD-021G PG dOF 7 I.. .. PICTURE 21G-1 ...&. ..........z ý7-<C FLEX CONNECTION

't*w. ~2 4 (1/2ii 14'-I A..... .....FLEX CONNECTION WB1-DWD-021G PG 5. OF. 7 PICTURE 21G-2 C I*-"; C. :ii:: 4r21 V --I.4~FLEX CONNECTION '-w WB1-DWD-021G PG .'. OF _7 PICTURE 21G-3 .C -.... .~' r FLEX CONNECTIONS FLEX CONNECTIONS WB1-DWD-021G PG 7 OFZ. .x ~~~~PICTURE 0210-4_~, V. ......,: g ; ...:............ ....* : .- , --'- " : ,. ',i:" ..:: (.. , .' , : .' ." '. ....' -.. .' .* , .'. .;:. ;% :j .... , " .: ..... ..: .. CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 i, L) WALKDOWN PACKAGE NO. WBI-DWD-022A -SHEET /OF f DATE: 1010712003 AREA: REACTOR VESSEL RWP NO.: 10 I ELEV: 713'INSPECTORS: C. G. WALLS, MIKE SOLLIE .REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings:. 590955-021 C, REV. A Tools: 590955-022C, REV. 0 *Drawings 590955-023C, REV. A *Flashlights 590955-024C, SH..1, REV. 0 *Ladders 590955-024C, SH. 2, REV.0 *Cameras 590955-025C, SH. 1, REV. 0 *Binoculars l 590955-025C, SH. 2, REV. 0 .Tape measure 590955-026R, REV. C 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 1Inspect and verify any fibrous materials inside electrical components and cabinets COMMENTS TVA CONTRACT NO. 93NNS-75645C Prepared By: Checked By: C. G. WALLS MIKE SOLLIE )-.4 Date: /4 1e z'Date: TVAW001-PROC-01,.Rev. 0 Attachment A f.\c c WALKDOWN PACKAGE No. WBI-DWD-022A SHEET .,. OF _1 APPROXIMATE INSULATION VOLUME: K AT BOTTOM PORTION: V = (r-95.5 2 X 4) -(58)(Qrl.25 2 X 4). = 113470(I/123) = 65.67FT 3 AT MIDDLE PORTION:.V = [-,r(99.58 2 -95.582) X (8 x :36.06 + 13.62)].+h[rr(100.88 2 -96.882) X:13.31]:+ :(I/3)=_I2.25[107 2 + 100.882 +.(107)(100.88)] -(I/3)-r1I2.25[1032 + 96.882:+ (103)(96.88)] + :[fr(i07 2 -1032) X 17.06] + [-.T(107.52 -.103.52) X (29.75 + 33.25)]-.(4)[,r(29..!9/2)2 -X 4] -(4)[77(25/2) X 4] = 998852(I/12

3) 587.04FT 3 AT UPPER PORTION: V = [,r(107.52

-74.75 2):X 4] + (7r68.25 2 X 4) + [-.r(68.252 -65.252) X .18.5]-()(3)r(7/2) 2 X 4) -(78)Tr(5.5/2)2 X 4) -(3)(9.12 X 9.62)ý1 I48679(I/123)

= 86.05FT 3 AT INLET COVERS 2A & 2C: V [7r(30.192

-28.192) X 24] +:[7r(30.192 -232) X 2] +'[-r(28.56 2-20.03 2).x 2]1 I3811(I/123) = 8.OFT 3 EACH, 8,0 X 2 COVERS =1.6.OFT 3 AT INLET COVERS 2B .& 2D: V = [7301.752 -28.422) X 24/4] + [r.(31.752 -232) X 2] + [r(302 -20.032) X 2]-21252(I/123):= 12-3FT 3 EACH, .12.3 x 2 /COVERS = 24.6FT 3 AT OUTLET COVERS IA,IB, IC,& ID: V = B[r(28.31 2 -24.982) X 18.25] + [-r,(28.312 -.232).X 2] + [7r(272 -:21.532)

X 2]1 13555(I/123).=

7.85F.T 3 EACH, 7.85 x 4 COVERS = 31.4FT 3 TOTAL RMI VOLUME = :65.67 + 587.04 +.86.05 .+ 16.0 + 24.6 + 31.4 =810.76FT 3 AT 1.06" OD INSTRUMENTATION TUBE W/ 4" OD MED. S.S. WOOL INSULATION (58 :REQ'D): PER DWG. 590955-029C: MAX. ANGLE LEG SIZE (ITEM 12) =.4" V = 58[rr(4 2-1.062)/4 X 4](1/123) -= 1.57FT 3 CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WBI-DWD-023A SHEET /OF 6 I IELEV: 729':INSPECTORS: C. G. WALLS, MIKE SOLLIE.REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 590955-010C, REV. D " Tools: 590955-011C, REV.F *Drawings 590955-013C, REV. B .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* TVA CONTRACT NO. 93NNS-75645C Prepared By: Checked By: C. G. WALLS MIKE SOLLIE Date: 167,__ ___, _Date: A Z TVAW001-PROC-01, Rev. 0 Attachment A C~--C CE WALKDOWN PACKAGE. No. WBI-DWD-023A SHEET .;F OF APPROXIMATE INSULATION VOLUME: AT MIDDLE PORTION: V = [-rr(50.752 -46.752) x 557.25] -(9)[ir(5/2) 2 X 4].- :(4)(23 X 15 x 4) -.(2)(16 2.X 4)-(4)(4 x 9.5 x 14) -(9.75 x 6 x 2.5) -(15.62 x 7.62 x 2.67)-(13 x 6 x 2.5) -(53.86 x 9 x 5.67) -(3 x 9 x 3.67) -(18 x 5.75 x 3)= 671685(I/123) = 388.71FT 3 AT BOTTOM PORTION: V = [Tr(40.5 2 -36.52) x 12.5] + [T(36.52 -312) X 4]+ (I/5)T.-7.5[31 -+ 152 -+ (51)(15)]- (1/5)-r7.5[272 + :112 + (27)(10]+ [7(152 -11 2).X 17.75] + [-r.(11l 2-72) X 4] -(78)[,-(2.62/2)2 X 4]45759(I/123)

25.33FT 3 AT SUPPORT BRACKET COVERS: V = ()[(51 x 23 x 4) + (2 x :1 x 2. x 4) + (2 x 15 x 2 x 4)]

8.31FT 3 AT TRUNNION COVERS: V = (2)[(242 X 4) + (2 x 24 x 4 x 4) + (2 x 16 x 4 x 4)] -7168(II123) 4.15FT 3 AT UPPER PORTION: V = (w15,54.2 X 5) -(I1/3)T-32.31[50.752 + 21.542 + (50.75)(21.54)] -(I1/3)32.51[46.752 + 17.542 + (46.75)(17.54)] -[7-(32/2)2 x :41] -()h[-(181/2)2 X 4] -[.(I2,2)2 x 4]= 25780(I/123)

= 15.77FT 3 AT MANHOLE/RELIEF NOZZLE/SAFETY NOZZLES/SPRAY NOZZLE COVERS: V [=i(4Ol2)2 X 4] + [rr(202 I162) X 6] + (4)[7r(132.-52)

X 4] + [17(102 .-62) X 4]= 15784/(II123) = 9.14FT 3 TOTAL VOLUME = 388.71 + 25.33 + 8.31 + 4.15 + 13.77 + 9.14 = 449.41FT 3 ~rz* k-C."3%* A ItJA wt 6a,1 I~-.::'[H! n 0U F:~-E A~'-ZA- týtI I K___L-SIA ELIZ11 f o'EL V.S.TS 5> ~ / ~ 1' ~ '~.Io.~*.tP~g If~.=Z 1. ~ l '~~.CPII.t~,10 tST CLeIL 123'Acr.Io .porr. ,cl~.~~~~~~~rC t.1.AZ-- 1 tPE/U!E -T~AR~~EýLýWLV-5WC 0Qý: ':

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CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P. UNIT 1 WALKDOWN PACKAGE NO. WB1-DWD-023B SHEETI OF5 ......5.....DATE: 10/30/2003 AREA: PRESSURIZER RWP NO.:- 8010 E L E V : 7 2 9 ... ..... .INSPECTORS:

C. G. WALLS, *FRANK C. YAO............................ ................., ., ,, , *. ................. ...........REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings:. 590955-068C, SH.1, REV. D *Tools: 590955-068C, SH. 2, REV. B ._Drawings -590955-069C, SH. 1, REV, D _Flashlights 590955-069C. SH. 2, REV. D_Ladders: -590955-069C, SHK 3 REV. D *Cameras 47WJ465-206, :REV. E Binoculars 47W465-206D. REV. 0 T a p e m e a s u re ..... .... ..... ... ..... .. .. ... ...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 sum.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'. AUXILIARY.SPRAY & 6" PRESSURIZER SPRAY LINES ATPRESSURIZER TO CRANE WALL CONTINUED ON VWALKDOWN PACKAGE NO'S WB1-DWD-006F. -007E-& -017A.___... ."rVA CONTRACT NO.:93NNS-75645C .....'. ..................................Prepared BY: Checked By..C. G. WALLS*FRANKC.YAO _Date: 10/30/03 Date: 10130103 TvAW 01-P*ROC-01, Rev. 0 A Attachment A ... ..... ........ ...... .... ..:..C ... .......c-C WATTS BAR NUCLEAR PLAN', r i WALK DOWN RESULTS WALKDOWN PACKAGE#: WBI-DWD-023B SHEET 2 OF S.:.:PROBLEM LOCATioN ELEV. DESCRIPTION 00 ...... N .SU"LASAION INSULATION INSULATION JACKET BUCKLE STRAP NUMBER (FT) TYPE THICKNESS VOLUME MATERIAL TYPE TYPE......i ....... ..... ..... ..... ... .....0600200.13-PRESSURI 729' 23 6° PRESSURIZER SPRAY LINE 5.56 0.29 RMI 7A2 5S. STO NA 20'ODINSULATION 02 ZER 0600200 PRESSURI 729' 23 6" PRESSURIZER SPRAY LINE s56 s 0.38 RMI 2.22 0.14 S.S. STO ,A 10' 00 INSULATION 02 ZER , *

W 10* O I 0600200 PRESSUR! 720' 23 6' PRESSURIZER SPRAY LINE 450 0.79: RMI 2.75 0.34 S.S. STD WA 10" 00 iNSULATION.

02 ZER 104620-1o3-PRESSURI 729 23 6-PRSSURZRSPR,,LIN. 6.62 065 RMI 2 24 SS. STO N'A iSODINSUAATOF4 02ZER .-.... ..0600279 PRESSURI, 72 ' 23 6"PRESSURIZER SPRAY LINE 1.620 1.05 RMI 2.95 0.27 S.S. STD N/A 2"ODINSULATION 02 ZER 060200213-PRESSURI 729' 23 'APRESSUXIER SPRAY LINE 3.06 1.65: RI 2.75 0.24 SS. STO NfA 7"YOD INSULATION 02 ZER .000200 PRESSURI 72'V 23 3" PUXILARIYZ SPRAY LINE 3.50. 1,.5 RMI 2.075 0.27 S. ST[) NA 962" O0 INSULATION 02 ZER ..0600200 PRESSURI 729' 23 3AUX'LIARY SPRAY LiNE 350 1.30 RII 075 0.09 s.S. STD N/A .2OD INSULATiON 050207. PRTSR AU6iRY OY LINE 350s 146 is RMI 6.25 1.24 S.S. ST NIA T6 00 INSULATION 02 ZER .729 23, 3AUXILIARYS 0nT0200 PRESSURI 729' 23 3- AUXILLAR'Y S'PRAY' LINE 350 1.0 "RMI 075 0.09: SS. STO WA .5"OD INSULATION 02: ZER 0602.03 PRESRI 72.9 '"23. ý3"AUXILtA.RY SPRAY 3.50: 1.46 R&I 6.2 19 S.:: ST ) 16" bb INSULATION 0 =600,3- t3-- PRESSURI 729; :23: 3- A.UXfLIA:RY; SPRAY LINE Z150: 0.76. PIN-K S.$. STD.hO 6.5" OD INsuLATIC .N 02. 7ZER......." ....=. ..... , , ....................l .................. .WALKDOWN PACKAGE No. WBI-DWD-023B

SHEET _3._ -OF -.5_.-APPROXIMATE INSULATION LENGTH & VOLUME:*) STARTING FROM TOP OF PRESSURIZER:

AT 20" OD INSULATION (5.56"0 D PIPING): LENGTH = 3.38(0/12) 0.29FT AT. 10h OD INSULATiON (5.56" :OD PIPING): LENGTH = 4.5(1/12) =,0.38FT AT. I0" OD INSULATION (4.'5" OD ELBOW): LENGTH = -w(6)(900/1800) 9.43(1/12)

zO.79FT AT 12* OD INSULATION:.LENGTH.

39 + .-r(9)(900/180o) + 4:38 + :23.25 + 29.84:+.26.91 + 11.66 + 26.59-27.41 + (5 x36.03) + 29.44 + (85 + .115.38) + Z4.94 + 20.03 = 592(1/12)

=.49-934FT AT 8.5" :OD INSULATION: -LENGTH = 7.75(1/12)

=:O.65FT:AT 7" CD INSULATION (AT :1.05" OD PIPING):.LENGTH = 5+ 7.5 = 12.5(/12) = 1.05FT 3Y AUXILIARY SPRAY:LINE STARTING AT 6" PRESSURIZER SPRAY LINE: AT 9":OD INSULATION (53.5" CD..PIPING):: LENGTH := 3.5 3.5 + :10.2 + 10.92 + 9.12 + 29.035: 24.03+ 18 + 19 + 15 + 15.38 + 15 :+ 7'rr(4.5)(9 0°/180 0) + :32(1/2)* +rr(4'.5)(900O/180) + 4 = 20(1/i2).= =16.75FT.AT 4.62: oD :HIN-K INSULATION: LENGTH = 32(I/2)*(l/12) =.:I34FFT:AT 5" OD INSULATION (3.5"0 D PIPING): LENGTH = 3.5+ -r(.5)(904/l0O) + 5 =:15.6(1/12) = I3FT AT 16" OD INSULATION (VALVE I-CHV-62-661): LENGTH = 17'5(1/12)= I.46FT 6T 6.5" OD MIN-K INSULATiON;LENGTH = 8..31(1/12) = 0.7OFT S1/2 FOR MIN-K INSULATION CONTA'NmiENT DEBRIS WAiKI)OWN PACKAGE WATTS BAR N. P. .UNIT I WALKDOWN PACKAGE NO. WBI-I)WD-023B EXCERPT FROM DRAWING 47W465-206 SIlEET4 OF 5 MO a 00--i v , 9 -.--7ý- /FIAT I 1ý-~; tr'T,4 1.4,1 van,.r;77( "_4V 1 .0" , CONTAINMENT DEBRIS WALKDOWN PACKAGE WATTS BAR N. P..UNIT I WALKDOWN PACKAGE NO. WBI-DWD-023C SHEET I OF 3 DATE: 11/2012003 .AREA: PRESSURIZER RWP NO.: 18010'" -.IELEV: 729'.'INSPECTORS'. C. G.WALLS, FRANK C YAO .......... REF. MATERIALS: f Piping & Equipment Drawings:. Cable Tray Drawings: Tools: 590955-086C, SH. 1,: REV. D Tools: .. ". ..Drawings .*Flashlights Ladders .. .....Cameras ........:Binoculars Tape measure ....._....Sample bags .. ...s:..__Penslmarkers INSPECTION LIST: ITEM NO. .1 DESCRIPTION ...I 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. S5: 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-/4" INSTRUMENTATION LINES AT PRESSURIZER .......*.TV A CONTRACT NO..93NNS-75645C ...... ....,- ............ .Prepared By: Checked ýBy: C;. G. WALLS Date::11/20/03 MIKE. CALDWELL.4&&Q!!:$& 6'Date: 11/20/03-TVAWO1-PRCo01, .Rev. 0.Attachment A C V77 c C WATTS BAR NUCLEAR PLANI I WALK DOWN RESULTS or-OF_7_. ... ..WALKDOWN PACKAGE#: WB1-DWD-023C SHEET PROBLEM LENGTH INSULATION INSULATION INSULATION JACKET BUCKLE STRAP NUMBER LOCATION ELEV. AREA DESCRIPTION OD (IN) (FT) TYPE THICKNESS VOLUME MATERIAL COMMENTS..... .... ...F T E .(IN) (. "3) MATERIAL TYPE " TYPE "~ ~~ ~~~~ ~ .......i. .; " ' '"" " "-' .... .. .".....N/UA ZER m 23 3/4" INSTRUMENTATION: t.05 5.84 RMi 4.98 3.83 S.S. , STD NIA I t 00 INSULATION ..... ... ...... ........ ................, .... .. .......PRESSURI ....3.INSTRUMENTATION .0 1.45 RMI 3.3 NA. ZER " 23 084 S.S. STD N/A 9" 00 INSULATION .. ~ ~ ~~ .... ..... ........... .~~~~. ..., ......, .......... ... ............... .......... ...... .... ... ...... ......... WALKDOWN PACKAGE No. SHEET -L OF ___APPROXIMATE INSULATION LENGTH: AT I1" OD INSULATION: LENGTH 10 + 2.25 + 10 +.3.13 + 7..75 + 3.38 + 7.75 + 3,75+ w(4.38)(430/1800) + 7.75 + 3.13 + 7.75 = 70(I/12) 5.84FT AT 9".OD INSULATION: LENGTH 8.75 + ý8.75= 17.5(0/12) =.I.46UT CONTAINMENT DEBRIS WALKDOWN PACKAGE.WATTS BAR N. P. UNIT I WALKDOWN PACKAGE NO. WBI-DWD-023D SHEET I OF DATE: 1.11/20120203 ý RA:IPRESSURIZER RWP NO.:. I ELEV:. 1 729' : INSPECTORS: C. G. WALLS, FRANK C YAO..REF. MATERIALS: Piping & Equipment Drawings: Cable Tray Drawings: 590955-084C, SH. 1, REV. 0 * .....Tools: Drawings Flashlights Ladders Cameras Binoculars Tape measure ..... .Sample bags Penslmarkers INSPECTION LIST:.ITFEM NO. "'DESCRIPT'ION I Verity installation of insulation as documented in existing plant drawings and/or documentation. 2 inspect and mark up layout drawings to show any undocumented insuartion. 3 Inspect and determine longitudinal seam location and band spacinge if necessary. 4 Documnent any, irregularities of the general condition of the piping insulation. 5 Inspect and mark~up layout drawings to show any undocumented fibrous Insulation 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"16" PRESSURIZER RELIEF LINE* TVA CONTRACT NO. 93NNS-75645C ()MýPrepared By: Checked By: C. G. WALLS FRANK C YAO-Date: 11/20(03 Date: 11/20/03 TVAW001-PROC-01, Rev. 0.Attachment A C-C C WATTS BAR NUCLEAR PLANT UNIT I WALK DOWN RESULTS WALK'DOWN PACKAGE#: WBI-DWD-023d SHEET_ , OF -.. ...... .. ........." ' ....INSULATION INSULATION PROBLEM LENGTH INSULATION THICKNESSUIN VOLUMETO JACKET BUCKLE STRAP COMMENTS P LOCATION ELEV. AREA DESCRIPTION 00 (IN) (T TYLE NUMBER (FT) TINYPE3 MATERIAL TYPE TYPE.: ...... ..( N). .3 NIA ER 729' 23 PRESSURE REUEF 663 984 RMI 2.&875 5.37 SS. STO NWA 12" OD INSULATION NA 'ZEfl.;. .. ...................... ....I .. * ... ..............,... * *N!A PRESSURI 729' 23 PRESSURE RELIEF 3 50 2.67 RMI 6.5 3.79 S.S. STD N'A 16.5" OD INSULATION ZER N!A PRESSURI 729' 23 PRESSURE RE.LIEF 350 4.27 RMI 2.75 1.60 S.S. STD NA 9'. O0 INSULATION ZER.A PRESSURR 729' 23 PRESSURE RELIEF 12.00 i.11 RMI 2 0.68 S.S. STD N'A 16' OD INSULATION (FLANGE)RA ZER... ..R S UIE ....." .....' ......... ...... ..'.. .. .. ........." ": " .......... ......WA PRESSURI 729' 23 PRESSURE RELIEF 3.50 1.67 RIAI 3.75 099 S.S. STD NIA 11 OOINSULA11ON ZER NA PRESSURI 729' 2; PRESSURE RELIEF 3,50 0.64 RMI 2.25 0.18 S.S. 57 N WA 81OD INSULATION ZER NA PRESSURI 729' 23 PRESsURE RELIEF 12.00 1.11 RMI 2.25 0.78 S.S. ST0 NIA 13.5- O0 INSULATION (FLANGE)ZER N/A PRESSURI 729" 23 PRESSURE RELIEF 1.08 1.98 RMI 2.97 052 S.S, STbD NA 0ODINSULATIOJ ZER......................., ..... ............... ....... WALKDOWN PACKAGE No. WBI-DWD-023D SHEET 3L OF -APPROXIMATE INSULATION LENGTH: START FROM PRESSURIZER TOP HEAD: AT 12" OD INSULATION (6" PIPING): LENGTH 1.88 + wi(9)(450/1800) + 60.50 4 -r,(9)(90 0/180 0)+ 12.98 + 6 + 14.94 = 118(0/12) =.9.84FT AT 16.5" OD INSULATION

(3" PIPING/VALVE):

LENGTH = 16 + 16 = 32(0/12) = 2.67FT AT 9" OD INSULATION (3" PIPING): LENGTH = 5.44 + 10.43 + 5.5 + 9 + 10.62 + 10.25= 51.240(/12)= -4.27FT AT 16" OD INSULATION (12" OD FLANGE): LENGTH := 13.26(1/12) = I.IFT AT I1" OD INSULATION (5" PIPING):: LENGTH 10 + 10 20(0/12) = I.67FT AT :8" OD INSULAITON (3" PIPING): LENGTH 7.62(1/12) 0.64FT AT:13.5" OD :INSULATION (12" OD FLANGE): LENGTH 13.26(1/12) = I.IIFT AT 7" OD INSULATION (3/4" PIPING): LENGTH =:4.37 + 4.37 + 7.5 + 7.5 = 23.74(1/12) =:1.98FT}}

v t e Letter Sequence Other
TAC:MC4730, (Open)
Initiation Request, Request, Request, Request, Request, Request Acceptance Supplement, Supplement, Supplement, Supplement, Supplement, Supplement, Supplement Administration Withholding Request Acceptance Questions 3 June 2005 10 February 2006 3 December 2008 29 September 2009 23 December 2009 7 January 2010 17 June 2010 15 April 2011 28 June 2011 Answers 11 April 2006 3 March 2009 12 May 2011 Results Approval... Other: ML062910513, ML062910522, ML063060251, ML073380152, ML090720869, ML101590556, ML11230B250, ML15191A183
MONTHYEAR2008-03-31 [Table View]

ML063060251

Text

11.84FT AT 6" OD INSULATION (3" PIPING): LENGTH- 2["r(4.5)(900/180 0).-+ 5.88 + 12.25=33(1/12).

Attachment:

0.78FT AT 7' OD INSULATION (2.38" OD PIPING): LENGTH = 5 + 10.75 + 5 + 4.5 + .26.06 + 7.5 + 58.75 +- 31 + 20.06 + 30.69+ 5.62 + 5 + 2.5 = 213(1/12)

0.8EFT AT 6" OD INSULATION (1.05". D PIPING): LENGTH =23.75 + 3ý + 67.81 + .:5 + .1.= 98(I/12).

1.80FT V5' D INSULATION (0.05" PIPING): :LENGTH 21.53 + 12.5 + 7..1 = 40.93(/12)

2.5 15626

25.33FT 3 AT SUPPORT BRACKET COVERS: V = ()[(51 x 23 x 4) + (2 x :1 x 2. x 4) + (2 x 15 x 2 x 4)]

zO.79FT AT 12* OD INSULATION:.LENGTH.

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