ML20217D513

Special Rept:On 970918,moisture Content in Grease Samples Exceeded Maximum 10% by Weight.Caused by Ground Water Intrusion.Engineering Evaluation Performed & Insp of Tendons for Water Will Be Done on Annual Basis

ML20217D513
Person / Time
Site:	Braidwood
Issue date:	09/26/1997
From:	Tulon T COMMONWEALTH EDISON CO.
To:	Beach A NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 9710030256
Download: ML20217D513 (16)

Text

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September 26,1997

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United States Nuclear Regulatory Commission Attention: A.B. Beach NRC Regional Administrator, Region ill 801 Warrenville Road Lisle, Illinois 60532 - 4351

Subject:

NRC Docket No. 50-457 Braidwood Nuclear Power Station Unit 2 Submittal of Special Report identifying Abnormal Containment Tendon Degradation

References:

Braidwood Station Technical Specification Bases 3/4 6.1.6 Containment Vessel Structural Integrity NRC Proposed Revision 3 to Regulatory Guide 1.35 NRC Revision 3 to Regulate.y Guid? 1.35 The Braidwood Technical Specifications require that upon the identification of any abnormal degradation of the containment structural integrity beyond the acceptance criteria that an engineeering evaluation be performed and a special report be provided to the Commission within 15 days, it is the purpose of this

-letter to transmit such a report summarizing the findings resulting from a recent inspection of the containment tendons. I On September 18,1997 the results of the chemical analysis for the grease  !

samples that were collecud from the lower grease cans on Braidwood Unit 2 Vertical Tendons V217 and V241 were received. The moisture content in the grease samples for both of these tendons was determined to exceed the maximum 10% by weight. The grease in Tendon V217 had a 13% moisture / g content and Tendon V241 had a 14% moisture content.

Attached is a summary report, the required engineering evaluation, and the corrective actions being taken to address this issue.

9710030256 970926 PDR ADOCK 05000457 S PDR { l(( ,I) jjl lllI l ((

A I nicum ( ompam i

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- Document' Control Desk

- September 26,1997 _ Page 2 if you have any questions please contact T. W. Simpkin, Regulatory Assurance Supervisor at (815) 458 2801, extension 2980, t

i Sincerely, J

T thy J. Tulon e Vice President 4

Braidwood Nuclear Generating Station .

TJT/fb/svp/corresp/ntc97005. doc cc. A.B. Beach, Region lil

G.F. Dick, Project Manager, NRC i

_ C.J. Phillips, Sr. Resident inspector, Braidwood.

F. Niziolek, Div. of Engr., IDNS b

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Special Report Descriotion of Abnormal Deoradation:

Vertical Tendons V217 and V241 were included in the 1997 containment tendon water and visual inspection scope. The subject tendons have a history of free water collecting in the lower grease can and are therefore are included in the periodic inspection scope. These inspections are performed to identify free water intrusion and to perform chemical analysis on the sheathing filler to ensure it continues to protect the tendons as designed. The1997 inspections were performed under Braidwcod NWR 97005G944 and per approved contractor procedures. The contractor employed to perform the inspections was Precision Surveillance ':orporation and the contractor employed to perform the chemical analysis of the grease was Suburban Laboratories, Inc.

The inspections were performed by a qualified Quality Control inspector and the chemical analysis was performed by qualified personnel. The degradation involved the identification of excessive moisture content in the grease samples. The ac 7ptance criteria is a maximum of 10% by weight.

The identified moisture contents were 13% in the grease sample for tendon V217 and 14% in the grease sample for tendon V241. Free water was collected from the lower grease cans for both tendons. Forty two (42) ounces was collected from tendon V217 and forty one (41) ounces was collected from tendon V241. The results of the chemical analysis for chloridss, r., o % sulfides, specific gravity, and reserve alkalinity met the acceptance criteria. The previous inspection that was performed in June of 1996 resulted in the identification of twelve (12) ounces of free water in tendon V217 and (40) ounces cf free water in V241. The moisture content in the grease did not exceed the acceptance criteria. The moisture content in the grease for tendon V217 was 0.8% in the grease for V217 and 8.4% in the grease for V241. The results of the chemical analysis for chlorides, nitrates, sulfides, specific gravity, and reserve alkalinity for the 1996 <

inspection also met the acceptance criteria.

The remainder of the inspection attributes were acceptable. No active corrosion was identified.

Level 111 corrosion was initially identified on the anchorage head on tendon V217 in 1987 and has remained unchanged since. Level ill corrosion is characterized as steel that is reddish brown in color and showing evidence of heavy corrusion and encrustation and visible signs of pitting in excess of 0.005" in depth, but not greater than 0.010" in depth. No reportable corrosion has been identified on tendon V241 since construction. No concrete damage was identified. The tolerance for reporting concrete cracking is any crack that exceeds 0.010" in width. The button heads were identified to be in good condition for both tendons. A wire was removed for physical testing from both tendons in 1992. The wires from both tendons met the physical test acceptance criteria and were reported to be in excellent condition. No voids in excess of 5% of the net duct volume were identified and all parts of the anchorage system we,a adequately covered by grease

- during both inspections, Reoortino Reouirements:

Section C.8 of Proposed Revision 3 to Regulatory Guide 1.35, Reoortino to the Commission:

The reportable conditions of regulatory position C.7.1.3, C.7.1.4, C.7.3, or C.7.4 could indicate possible abnormal degradation of the containment structure ( a boundary designed to contain radioactive materials ). Any such condition should be reported to the Commission in accordance with the recommended reporting program of Regulatory Guide 1.16 " Reporting of Operating Information - Appendix A Technical Specifications."

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Braidwood Technical Specification 6.6.1.6 Containment bystems, Action Statement 6.6.1,00:

• With any abnormal degradation of the structuralintegrit) other than ACTION at a level

- below the acceptance criteria of Specifications 4.6.1.6.1, 4.6.1.6.2, and 4.6.1.6.3, restore the containment vessel to the required level of integrity within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> and perform an engineering evaluation of the containment and provide a special report to the Commission within 15 days in accordance with Specification 6.9.2 or be in HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />." Technical Specification 4.6.1.6.le specifies the requirements for verifying the operability of the sheathing filler grease.

4.6.1.6.1e Verifying the OPERABILITY of the sheathing filler grease by assuring:

1) No voids in excess of 5% of the net duct volume,

2) Minimum grease coverage exists for the different parts of the anchorage system, and.

J) The chemical properties of the filter material are within the tolerance limits as specified by the manufacturer.

Braidwood Technical Specification Bases section 3/4 6.1.6 sta:es, " The required Special Reports from any engineering evaluation of containment abnormalities shallinclude a description of the tendon condition, the cond'tlon of the cuncrete (especially at the tendon anchorage), the inspection procedure, the tolerance on cracking, the results of the engineering evaluation and the corrective actions taken."

. Corrective Actions Taken:

An Engineering Evaluation was performed on the Unit 2 Containment Structure. This evaluation determined that the Unit 2 containment structure remains capable of performing its intended design function. This evaluation is included in this report. These tendous were found to have free water present since 1985 and have been included in periodic water tendon inspections. Current and previous inspections since 1987 have reported no evidence of active corrosion on the tendon anchorages. The tendons have also been includsd in previous in Service inspections and were selected for_ wire removal, inspection, and testing during the 5th year ISI in 1992. The wires were tested for tensile strength and elongation and were found to be satisfactory. A lift off test was also performed for these tendons with acceptable results. The results indicated no active corrosion on the wires or tendon anchorage. The abnormal condition has been discussed with the grease manufacturer. The manufacturer stated the water content is not an indication of degradation of the grease. As long as the grease continues to coat the tendon components, it will

- provide the required corrosion protection. The greas;. was replaced in the lower grease cans on both tendons. Each tendon had the replacement grease installed from the top can to ensure the entire area is filled. The tendons were restored by grease replacement on July 7 and July 9,1997.

Operations Shift Supervision was made aware of the problem with the crease analysis results at approximately 0900 on September 18th,1997.

Braidwood Station will continue to inspect these tendons for water on an annual basis. The grease in the sheathing for both tendons will be replaced during the next water tendon inspection. The n

next inspection is scheduled to be performed in the summer or early fall of 1998.

Potential Causes of Deoradation:

The cause of this degradation is assumed to be ground water intrusion. The top grease cans have been examined. There is no sign of grease leakage or water intrusion leak paths. The Braidwood Engineering Department will continue to evaluate the conditioti to determine if the exact source and pathway of the free water can be determined and corrected.

i NEP 12 03 i_ . _

R:visi:n 0 L. ,

Nuclear D:; sign Informatinn Transmittal -

i i Safety Related Orlotnating Dryanization:

j Non Safety Related O comed nDIT wo. as-err-5307

Reguistory Related Sother(specify) sament a Lundy  ;  :

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! Station: aramkood Unit- 2 Page .L of 2 i Design Change Authority No.: N/A System Designation: RB To: T_ C. Johnson BRW

Subject:

f Walt 2 containment " Water Tendons

• V217 & V24)

R. Montenmarv Proleet Enoineer .

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Presseur Poseen Is e m[

PressorsspeIIse Due D. C. Patel Pmiect Maneos (. 9 9/19/97 l newswer Passen

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Status of Information: S Approved fer Use O unvertrierf O Engineering Judgement Method and schedule of Venfication for Unverified NDITa g(f j Description ofInfonnatior:

l See page 2 Purpose ofissuance: To document S&L's engineering evaluation and associated recommendations with regards to moisture content formd in the grease samples taken frtt". Tandons V217 and V241.

Source of information: N/A Distribution-Site E&C Library B. L RenwicWJ. Bojan/J. SalternE (EM)

J. Penfil (ELD D. C. Patel (EM)

P. H. Kirsch / File 4.2 (OriginsQ B/B File 1.0 Project No.: 9050 063 MieNo.: 1.0 Chron No.:

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. Nuclerr Drign informatien Transmittal " "

Description of Information: (continued)

Enaineerina Evaluahon t

We have reviewed the grease test osta for Tendons V217 and V241 in the report prepared by Suburban

' Laboratories, loc. and submitted to us under Cc nEd NDIT # BRW DIT.97 327. The test data Indicates that the amount of watersoluble chloride, nittete and sulfide meet the requirements of Nuclear Regulatory Commission (NRC) Guide 1.35 (less than 10 ppm). However, the test data reflects moisture content of 13.0% (V217) and i

14.0% (V241) which are greater than the 10% maximum acceptance limit established tr/ NRC Regulatory -

, Guide 1.35.

l These tendons were found to have water present since 1985 and have been included in the periodic water j tendort inspections. Previous visualinspections have reported no evidence of active corrosim on the tendon

anchorages.

i 1

These tendons have also been included in previous in Service inspections (Isis) and were selected for wire removal, inspedian and teshn0 dunn0 the 5th year ISl in 1992. The wires were tested for tensile strengtn and elongation and were found to be satisfactory. A lift-off test was also performed for these tendons with acceptable results. The results of these Isis indicate that there was no active corrosion on the wires or tendon anchorages.

i.

l These inspection results indlcate to us that the grease continues to perform its intended function re0ardless of j the higher moisture levelin the grease samples.

k We have a:so previously discussed a similar siteo'Jon with Mr. C. Novak of Viscosity Oil, the sheathina grease manufacturer. He noted that the analysis results indicate greaterwater contents as a result of the sample j

being taken at fM bottom of the tendon where water accumulatas. Therefore, it does not represent the effectn*eness of grease to protect the tendon. He also stated that the water content is not an indication of d*;Jradation of the grease. As long as the grease continues to coat the tendon and andlorage components,it j will provide corrosion protection.

Recommends 11ons i

Based on our engineering evaluation of the moisture content in the grease ramples for Tendons V217 and V241 and the inspection history to date for both of these tendons, the following is recommended:

1. Continue yearly watersurveillance for these tendons.

2. Replace the grease in the shes'.hin0 for both tendons durin0 the next water tendon inspection.

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-GREASE CAN ALn h LATA SHEET 6.0 JUNE 19, 1992 PAGE 1 CP 1 i

I- REVISION 0 REVISION 1, 8/7/92 9ROJE 3 _ Anmnw1h m n m m' DATES 9-7-97 TENDON No.: Vof / *7 TENDON END/ BUTTRESS NO. _/Csu /amma N / f f 'r I

W 7/ mfg FW ot I FTLLER DATA o.c.

Data Removal Started 7- P/-f 7 hioneff (7.4) Dry Ice Used on Grease can m, Dry Ice Used Around Anchorage se Af y.7- 9 7 (7.W) Temp. of Concrete 4 / F. Thermometer No. .fN v .Recalib. Date _r-Af/ dt? 7.p- ? /

Ambient Temp. 7 . 71 F. Thermometer No. _pr cr Recalib. Date J. Art Ett y-;* f; (8.7) Amount of Grease Lost L Gal. (8.7.1) Amount of Grease in can d Gal. &2 7-7-9;

(8.7.2) Grease to be Reused YES [ (8.7.2) Grease in can Protecced g p y.7-f;

' (8.8) GREASE COATING Grease can - Complete / Partial Uncoated  %

Buttonheads - Complete ,, Par:ial Uncoated  %

Anchorage - Complete / Partial Uncoated  %

, Shims - Complete Partial Uncoated  % 49# 7 7- 9 ;

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(8.9) Unusual conditions: w a dw/ m.a laum 1%w e

• _Gr.7 9 :

(8.10.1) Grease Collar: Match Color comment j (8.10.2) No Match Color N Aam F' Comment wwa*#4i,es*s- _ b >-7-9, (9.6) Amount of Grease Removed  % Gal. - Will this be scrapped? YES No d!!e.*A;-_97_

s0 9.0 swygg

. (6.1) Grease Samples Taken ,T Quarts. (6.1) Samples Identified fi--s (6.1) Location of Sample Removal M/a_- ,4(rsmur ? dmec8e/c. G)% %f7 (7) Grease Analysis: Accept Unacceptable Engr. Notified Alld 1

FIT.TTR DATA (Continue N*50Y6.0) WM37 81 C*AQ g.y,Gg (10.2) Method af Tendon Proteetion eks.-> m/s.AnA-se4e Adfm A dM7 A97 (10.3) Amount of Grease Lost /) Cal. - Will this be scrapped 7 g YES NO dia,7-7-9;

) (11.2) Add quantities of lost grease as each applies; Post total on Data Sheet 12.1 (8.7) 8 + (8.7.1) d + (9.6) h + SQ 7.0 (6.1) A + (10.3) /) =

TOTAL GREASE LOSS [ Gal. Post to DS 12.1 dd M/>

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! QC Review 9.M-Mdu Level I Date 9-/0 99 Title At// , R . A f

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• DATA sEEET 6.1 g JUNE 19, 1992

, PAGE 1 CF 1 REVIS!ON O PROJECT: _d, ae, m Ap_rArrny/ DATE: ENM TENDON NO.* VJ/ '7 TENDON END/BUTTRES$ NO. [zzb /8SF29.m/ u m - I' '

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OTHER TENDON END LOCATION INFO (9.4) CURING LOOSENING OF GREASE CAN (9.4.1) Water Detected @ No Quantity .&7dx sample Taken @ NC Comments A>new. 3.7mn . m -. m wm m mm.ium -me -n m (9.7) TN GREASE CAN (9.7.1) Water Detected C Mo Quantity /4 er Sample Taken C NC Comments An /Je1..m m normnS m rwr e:w I .

(9.8) AROUND. TENDON ANCHORAGE (9.8.1) Water Detected S No Quantity 22eert sample Taken Yes @

Commenta m o m m _-___=m --x Ahom ---- ~__^^ ~ m m v2r d AN5r7 1(9.10) DUkiNGDETENSTONTNGgd Water Detected Yes No Quantity ' Sample Taken Yes NO I(9.10.1) Comments '

(11.) OWNER / AGENT NOTIFIED No Date .7 .7 2 CONDITION: OBSIRVABLE SIGNIFICANT W g

'- 1 (12.1) SAMPLES ADEQUATELY IDENTIFIED G3iiib NO I(12.2) SAMPLES STORED AT Fff ffrr- M A W A-I I

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JUNE 19, 1992 Page 1 Of 1 Revision 0 i

ANCHORAGE IN3PECTION DOCUKENTATION PROJECT Suevans --- -<=aw w g.g' * /rf *7 YEAR __ r'7 O a;6.

TENDON NO. VM/~/ TENDON END/ BUTTRESS NO. Arw /s m UNIT __ d l Q" E (8.3.5) ANCHORHEAD I.D. _ 7M M

• BUSHINC I D. s/A8- Si nbf ,

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(8.1) CORROSION INSPECTION (For corrosion Lavals & condition refer to Proc 3Q 8.1)

I (8.1.1) Buttonheads

. Condition _ E m (3.1.2) Anchorage Head Laval 3 (8.2) Cracks er (y} (8.1.2) Bushing . Level "A (8.2) Cracks 4 (8.1.2)

• Shims Laval 2 (8.2) Cracks a (8.1.2) Bearing Plata Level 1 (8.2) Cracks ___ - m SQ 10.1.(8.1.2) Coating - Completa d Incongilate d Lgth, of Air Pocket A e m SQ 10.1 (8.2.1) Wire - Condition 44f Coating Completa Incompleta A y #x-i (8.3) BUTTONHEAD INSPECTION f i- (8.3.4) BUTTONffEAD DATA j M 3 gg .

i 0 . Dt. continuous-R ov.d '

e OOOOOO y*t.= Pn n ov.dviouslyforMissing restag 0o00000 O OOOO O.009 O n'"'$'"ne'$"'stng

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m-M (8.3.7.3) Total Effective BH _/47 (8.4.1) Protruding BH g_,, Missing BH ,f

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A LEFT er (9.0) Reporting: Accept l,X,l UnacceptablahEngineer Notified.NCR NO.4*n4//-er E4.

Q.C. Review Laval 3IC~ Date 9-/*-E 9 Ltle iuke. c.~4 _

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l I *F PROCEDURE SG i..

GREASE REPLACEMENT

'- DATA SHEET 12.1 iI JUNE 19, 1992 Page 1 of 1 Revision 0 ,

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! I GREASE EtPLACEMENT - INSPECTION DOCUMENIA2 ION

I j FROJECT Ba --- - -.si=v . - . . - * * - Z " . / ff r YEAR f7

, M*9MJ~6fVf eI l TENDON No. N/7 TENDON END/BUTTRE33 30. #,ir a /X ,sre w UNIT .Z

. QC

' . _sirneff .

4 i SQ 12.0(9.3.1) Coat End Anchorage Assa. k Gal. Q.C. Signoff E.F r-97 i SQ 6.0 - DS 6.0 '8.7.1) Gesssa Loss From Gesasa can only 6 Cal.

! SQ'6.0 - DS,6.0 (18.3): Gesssa Loss from Tendon Dunt. # Gal.

!, SQ 4.0 '- D3 6.0 - Bottom of Page T01 L GREA32 Los.s

&W Gal. -m:n.up' l E.S.,M mp.Af7 l (8.5.1) Estimated Gesase Losses From Laaks a/4 Gal.

(8.6.1) Doc.unanted Gesasa Losses - WC2s or Other Esports s1.e. Gal. ' m-p-pp (8.7.1) TOTAL GREASE LOSS THIS TENDON 4JV Gal.' N.7M7 (9 7 .3.1) Pump Gauge a/e Dimension

• Gallons Far inch M2Af7

(9 7 4.1) Grassa Belght 'in Drum BEFORE A (9.y .$.1) AF::ER oA * ' m 7-N7

'Ad57-f7 i **= % 1ntions: f

.(10.1) Ambient Temp. Z2- 8 F. Than=o.ID. P #47 Bacal Data-3-/. # - as 7 Ap."

' (10.2.1) can Ramoval 7 7-97 Can Replacement A Op Days Elapsed # 27.Af"/

l (11.1.5) cold Pack Gesasa W Gal. .

! (11.1.6) Gesasa can Partially Filled CTE: Suo qua= tier O Cal. Af

• f7

. (11.2.7) Pump Rot Grassa */ Gal. Grassa Tamp.ff,2,,8F ,

Thermo.Eo. NIY Escal Datal-7-ff'

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'A Gal. TOTAL PUMP D IN 7 Gal. - f21 W 7 ,

(11.2.J) Wasta crease -

(11.2.9) cold Pack ,,ff,, Gal + Partial Fill d* Gal.+ Totsi Pumped In L Gal. '

Tor.u. quanTzTr xEPuCED. 7v G.1. p r.+ n .

(II. 2.10.1.1)' Gesasa Laats O'Es z p uo earxar7 (11.2.10.2.1) EEFILL ACCEPTEBLE YEs O no variation *i r s .

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.. A DATA SHEEI 6.0 4L1 JUNE 19, 1992 '

• PAGE 1 CP-1

,I REVISION.0 l REVISION 1, 8/7/92 L :. i PROJECT: - 5L . - - m -.e a__=-- DATE: f - p # '7

} __

TENDON NO. - Va?I/ TENDON END/8UTTRESS No.: An /_- - etpftW5(EhMGE- >rr *7 ser*fMFuf 94' */

FTttFR DATA Q.C.

Date Removal Started ,_*f. 7-9) Sinneff (7.4) Dry Ice Used on Grease can L , Dry Ice Used Around Anchorage g 9. f-7-f7 ' !

(7.5) Temp. of concrete d P. Thermometer No. .sv. ,/ Recalib. Date p-r pr g7-7. f7 Ambient Temp. L7  ?. Thermometer No. 71's r Recalib. Data m ,&.7-7-f7 (8.7) Amount of Grease Lost 1 Gal. (8.i.1)'~A' mount of Grease in can g Gal. Ae.7 Af 7 (8.7.2) Grease to be Reused , ,1EE O (8.7.2) Grease in can Protected g _E7-2-f.7 (8.8) GREASE COATING - -

Grease can - Complete Partial Uncoated  %

Buttonheads .- Complete  ! Partial Uncoated  %

Anchorage - Complete Partial - Uncoated  %

Shims - Complete Partial ,_ Uncoated  % Sf7-AM (8.9) Unusual Conditions mwymr m Ansats ,w.4/ .. ..

ef *>-%9 7

{8.10.1) Grease colors Match'~- Color Comment (8.10.2) -No Match K Color Mamw P Comment m adesp e _ '[h f>

-(9.6) Amount of Grease Removed d'& Gal. - Will this be. scrapped? h NO D.XJf7 30 7.0 saxprum (E.1) Grease Samples Taken d Quarts. (6.1) samples Identified

• Mr/

')

(6.1) Location of sample Removal A----

- m f ==. a 96-Amers der / Af7%97 (7) Grease Analysis Accept Unacceptable Engr. Notified M FTitwit DATA fcentinue so'8.01

• W MMMO BY f.aeSpey*y, nyI (10.2) Method of Tendon Protection dwy-EE k w W b -;---"A 9 4 >7-9 7 (10.3) Amount of Grease Lost O Gal. - Will .this be scrapped 7.pdfp8- YES NO

$7-7-f7 (11.2) Add quan-ities of lost grease as each argile.1; Post total on Data sheet 12.1

- (8.7) 1 + (8.7.1) 1 + (9.6) M + sq 7.0 (6.1) 1 + (10.3) O=

TOTAL GREASE LOSS d9 041. Post to DS 12.1 417-7 O QC Review 3b@U e- Nvel T Date O* /8 *U)

Title' A M., Ct,4.

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. . JUNE 19, 1992 g

FAGE 1 CF 1 l REVISION 0 '

PROJECT I ~ . - -- a -- DATE:

f/-7-k/

l TENDON No.: WW/ TENDON END/ BUTTRESS NO.: jf u, /s- 46RUEELANGB- /M7 i

1 OTHER TENDON END LOCATION INFO W ant ~49 Y f os

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! (9.4) DURING LOOSENING OF GREASE CAM (9.4.1) Nater Detected No Quantity 'M Sasnple Taken Yes 8 Coauments frAwaws moder)%C W. 32aw m m aann ut2t arr-I j (9.7) IF GREASE CAN .

! (9.7.1) Nater Detseted

• h "~' No Quantity' for Sample Taken O No i

l Coannents ArtMV $ n2 earsm @c2p M d M & '*

(9.8) AROUND TENDON ANCNORAGE (9.8.1) Nater Detected No Quantity .SNfgju'f sample Taken .Yes CNEF i

Conuments Mr>~ AV - mawn AVAsA*^^ ^~ 3MfW _

i i

(9.10) DURING D M (9.10.1) Nater Detached.. v.Yes, .. f-- No Quantity '~ Siepts Tak~en "Yes' NO" 1

Comuments

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::.: . -?.*- ~ * '

l

-(11.) ONNER/ AGENT NOTIFIED h No Date 7"7-97 -

CONDITION: CBSERVABLE SIGNIFICANT Y \

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l -(12.1) SAMPLES ADEQUATELY IDENTIFIED @ NO

- (12.3) SAMPLES STORED AT F//* ferr MA*p i

QC SLgnott

-L Level' W Date 7 7-9'y l '

QC Review MN2- t-j Level ~3ZC Date '74Ph

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, ANCHORAGE INSPECTION

. g' , DATA SHEET 8.0 JUNE,19, 1992 Page 1 of 1

.- Revision 0 f ANCHORACE INSPECTION DOCUMENTATION

{.

PROJECT L----- - - ,s. s

.9 ~**g. W YEAR /7 TENDON NO.. V,M / TENDON END/ BUTTRESS NO. Arm /Earbu 7JIT 2 q.C.

(8.3.S) ANCHORHEAD I.D.

7WSJ/ BUSHING I.D. s/A Sitnof (8.1) CQRROSION INSPECTIO4 (For corrosion Levels & condition rarer to Proc.3Q 8.1)

(8.1.1) Buttonheads ' condition

. 's - -

• w (8.1.2) Anchorage Head Level J (8.2) cracks ~

.I- _ (e.1.2) aushins- . Level sh (s.2) cracks e/*

(s.l.2)* shims Level J (s.2) cracks -s (s.1.2) Bearins Plata Level 1 (8.2) cracks -e aw

.l sq 10.1.(s.1.2) contins . complete .sde Incongileta A Lath, of Air Pocket a ms n.1 sq 10.1 (s.2.1) Wire econdition & coatins compints agaIncomplets edt e (8.3) BUTTOWHEAD INSPECTION /

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(s.3.4) soTTONMEAD DATA e 2. Di-onunoo--ne.ov.d ne.ov.d nor T- ein -

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- m 'i===1r "i=i=5 OO~OOO O O.OOO O .\

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3,7 I. .x-Int.r..eti=serans/ azac (s.s.5) Loo t. An eocas. ( j ,

seat code on sketch 000 OO OO 000 O ""'

(s.s. ) are,t= Tota 1, t x OOOO00000000 n .4 \ 00000000000 A-

-A 00000000 (8.3.7.2 J:g x 0000 000 / M.

l thonheads Found s/s

.(S.3.7.3) Total Erzgetive EH /u- - j' Al22f (8.4.1) Protrudins BE L Mis' sins 3H

/ Total as / M

((8.5.1) SHIM GAPS:8.4.1.2.1) continuity as Wires Identisied/ marked WS Test aaquired 'A2.:31 I AS_FOUND M Bushinz Thread Joint Line AP.N (9.0) Esportins: Ac spt b eceptable Engineer Notified.NCE 50. 4/#- K q.c. Review W.D # ' A- '

Level .2E' Data '/- /8-99 l .. .

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w . n_ . s_.-..

3 GREASE REPLACEMdni

- DATA SHEET 12.1 l

JUNE 19. 1992 Page 1 of 1 Revision 0 l

l GREASE REPLACZ252rr - INSPECTION DOCUMDTIAZION PROJEC: he- - 1_ s- - ^ ^ ^ T '" /#r ~7 YEAR f7

1. EWrY. M I mo. . . v.m . .mmm. .. ~o_ .m .

QC Sirnoff I SQ 12.0(9.3.1) Coat End Anchorssa Assa. M Cal. Q.c. Signoff A7 r #~7 59 6.0 - DS 6.0 (8.7.1) Gesasa Loss From Gesasa can only 6 Gal.

39 6.0 - DS,6.0 (10.3): Grassa Loss from Tendon Dust. /> Gal.

-f- SQ 6.0'- DS 6.0 - Bottom of Page Tot &L GREASE Loss ,

4 .Sf./ Cal. A t x v.-f 7 so u.1 I 2/a Gal. A A297' (8.5.1) Estimated Gesase Losses From Laaks Cal.

(8.6.1) Documented Grassa Losses - BC1s or Other imports #/# -r-+.fl7 Wh "L W"#

A, O V Gal.'

(8.7.1) TOTAL GREASE LOSS DEIS TENDON ,

(9 7 3.1) Pump Gauge ## D4m===ian sX.4- Gallons Per inch & 7-9-P7 (9 7 4.1) Gesssa Height in Drum EETORE M 4- (9.g .5.1) AFTER wed- * 'dio 7-f-7 7 p

calculations: s/# 'Glf xAf7 (10.1) Ambient Temp. 74

• r. Th=-m.2D. F#*ST 3acal Data.7 4 f#' A7 A/7 (10.2.1) can Removal 7- 7-f */ Can Esp 1me-& e-9-97 Days Elapsed J '

(n.1.5) cold Pack Gesase N Gal.

(n.1.6) Gesase can Partially Pilled Otzs no quantity , 4. Gal. /2fxt/7 (n.2.7) Pump Est Grasse 7 Gal. Grease .g8F ,

Thermo.so.PATf asemi Datam ,

ArxM7 4 Gal. Total PuurEn 23r M ~/ Gal. /lfu-n Cu.2.8) unsta Grease s (11.2.9)- cold Pack k Gal + Partial y E .;gl Gal.+ Total Pumped In _*/_. Gal.'&xv7 Gal.

zozAr. QuanzzzE mErLACEn (11.2.10.1.1)' Grasse Laaks Oxes tua frvi (11.2.10.2.1) EETILL ACCEPTE LE & Ono variation +1.V s 9M, L . . . . . .

2 m = -m (n.2.10.2.2) ~~~zsg.e,,.,-Arc-e,==-

m 3.=r m.

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J q.c. BE m W Y.IIlM m LETEr. I DAIZ 7-/879 -

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