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- April 17, 1984
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N I, t . r i, : Drs. L. R. Abramson and D. Lurie ~ Applied Statistics Branch , U. S. Nuclear Regulatory Co: mission k'ashington, D.C. 20555 i Doctors: , Per your ren .
+ha r n--rate and steel, liner data have been changed ]
to refelct nit I results onM(see--attached). As I stated in our phone e aversauon on April 2- all of the information which I have provided to you has been g primer only.] ] If you have. any questions, I may be contacted at (817) 897-2981, Ext. 327 or (214) 979-8865. . L. M. Bielfeldt # A Quality Engineering Supervisor , , Lf13/bil ' Attachment t e,e
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PROTECTIVE COATING BACKFIT . INSPECTION PROGRAM bNIT1 PRIMER,rQ% /l
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I. Concrete
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9" Ll[p isl t - -l. ; p A. Total size (estimate): 00 sq. ft. I"' f B. -Total number adhesion tests: 1691 M C. Total number adhesion test failures: 0 D. Total number recorded dft readings: 4623 , E. Total number recorded dft , readings failed: 101 II. Steel Liner . A. Total size (estimate): 145,000 sq. ft. B. Total number adhesion tests: _405 C. Total number adhesion test failures: 2 _ _ D. Total number recorded dft readings: 1494 - E. Total number recorded dft readings failed: 105 e . l 1 . e d e pe 9 l . l . i
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TEXAS UTILITIES GENERATING CO.Til%NY 1%l~ P O. BOX 1002 GI F.N ROSE. TEXA5 Mod '1 (' ( April 17, 1984 $ ' 4 Drs. L. R. Abramson and D. Lurie Applied Statistics Branch U. S. Nuclear Regulatory Comission Washington, D.C. 20555 Doctors: Per your request, the concrete and steel liner data have been changed ^- to refelct Unit I results only (see attached). As I stated in our phone conversation on April 2, all of the information which I have provided to you has been for primer only. If you have any questions, I may be contacted at (817) 897-2981 Ext. 327 or-(214) 979-8865. Ld. R L. M. Bielfeldt U Quality Engineering Supervisor LMB /bil Attachment l l l l A DEVEND00N G W TEXA > t *TIL8Tik'n Kl.ht'1 M04* t*CDM D*A N Y
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J A- . PROTECTIVE C0ATING BACKFIT INSPECTION PROGRAM t UNIT 1 PRIMER I. Concrete . A. Total size (estimate): 185,000 sq. ft. B. Total number adhesion tests: ! 1691 C. 2 Total number adhesion test failures: 0 v-D. Total number recorded dft readings: 4623 i E. Total number recorded dft readings failed: 101 ._ j II. Steel Liner A. Total size (estimate): 145,000 sq. ft. B. Total number adhesion tests: 405 4 C. Total r; umber adhesion test failures: 2 D. Total number recorded dft readings: 1494 E. Total number recorded dft readings failed: 105 i i i 4
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.;L TII-4201 06/22/84 Allenation No. 44 It.is alleged that the " nickel" test was not performed properly due to instructions received from QC supervisors. It is alleged that QC supervisors instructed QC inspectors to lay the nickel flat on the surface of the coating; then to lightly rub the nickal, as lightly as the inspector could, across the coating, to keep just enough pressure on the nickel so that it would not fall out from under the fingers.
Evaluation of Validity l We have investigated this allegation and determined that it is not correct. Of eleven coatings QC inspection personnel interviewed, all indicated that the " coin test" has been performed in the past and continues to be performed in accordance ! with the method described in coatings application procedures (CCP-30 and CCP-30A). CCP-30 Revision 12 Paragraph 3.3.1(f) contains the following sentence:
" Carbo Zine 11 is sufficiently cured for topcoat when the coating any be burnished rather than removed when rubbed with the flat portion of a smooth edged coin such as a nickel." CCP-30A Revision 4 Paragraph 3.3.1 (f) contains similar wording. It is our opinion that the " coin test" method described in CCP-30 and 4
CCP-30A conforms with thm preferred Carboline method for the coin test as
- described in the attached Carboline letter.
1 Safety Sinnificance l None l Generic Implications on Other Systems or Contractors l 4
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Not applicable ! k
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PROTECTIVE COATINGS FOR CORROS80N R E SIST A N C E e PIRE PROTECTION e W ATE RPR OO PING , REPLY TO: CARBOUP4 COMPANf 132519th ST. - STE. 3-4 PLANO, TX. 75p4 (214) 424-7512 Mr. 'It:sn Enlley m asco services h aaha Peak Mv-1 w Power Plant . . P.O. Box 1002
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Daar ' Dan:. . Plan == be advised that the coin test suce ' uw for awa- the cure of Carbo Zinc 11 has been done. in many different ways. I have been to haehe Peak several tinas and dancestrated ny favorite method, however. Instructicas for the preferred nothod follow: ~7 .
- 1. Use a quarter and Isy it flat on the zinc primer.
- 2. Put heavy pressure on the coin with finger tips and s .
rub the coin back and fbrth. (8-10 tines). . . . . ..
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If the zinc primer'is cured, the coin should lasve a burnished, . shiny appearance. If the Carbo Zinc 11 is not cured, it will not - .
. have a .m14 M_ appearance. .
I have danz:mstrated both, situatinne (cured and not cured) to ' '
.= 4 at== , foremen, engineers, and Q. C. per==nal . If I can be of any
- an m. assistande, please 1st me know. '. ,
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C A ELE
- CARBOCO - sT. Louis l-l PROTECTIVE COATINGS TELcx- 44-7232 FOR CO R R OSIO N R E SIST A N C E e FIR E PROTECTION e W ATE RPR OO FING
/ REPLY TO:
CAR 80UNE COMPANY 132519th ST. - STE. 3-8
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PLANO, TX. 75074 (214) 424-7512 Mr. Tom Kelley EBASCD Services (bannche Peak Nuclear Power Plant P.O. Box 1002
Dear ' Ibm:
Please be advised that the coin test procedure for checking the cum of Carbo Zinc 11 has been done in many diffemnt ways. I have been to mrmnch Peak several times and denonstrated ny favorite method, however. Instructions for the pmferred method follow: --
- 1. Use a quarter and lay it flat on the zinc primer.
- 2. Put heavy pmssure on the coin with finger tips and rub the coin back and forth. (8-10 times)
If the zine primer is cured, the coin should leave a burnished, shiny appearance. If the Carbo Zinc 11 is not cured, it will not have a polished appearance. I have dmonstrated both situations (cured and not cured) to painters, formen, engineers, and Q. C. personnel. If I can be of any further assistande, please let nu know. Sincerel ,
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h ies h & g North 'IX. Ama Mgr. cc. Steve Harrison i Y f'l M +M QWP QQ- ' J \ CARBOLINE COkiPANY e 350 HANLEY INDUSTRIAL COURT
- ST. LOUIS. MISSOURI 63144
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-Texac Utilities Generating Company
. Post Office Box 1002 Glen Rose, Texas 76043 .
Attention: Mr. J. B. George, Vice President / Project Gen. Mgr. l Gentlemen: TEXAS UTILITIES GENERATING COMPANY - COMANCHE PEAK STEAM ELECTRIC STATION G&H PROJECT NO. 2323 REACTOR CORE CAVITY COATING ALLEGATION REF: GTT-10210, FEBRUARY 27, 1984 l l At the request of TUSI the following additional information is i prov.ided to substantiate the conclusions presented in GTT-9572 and GTT-10210: A break in the reactor coolant hot or cold leg will not flood the reactor cavity in the case of CPSES Units 1 and 2. This is becuase these units have specially designed orifice ring plates to obstruct fluid flow into the cavity. This desian l was implemented to prevent excessive uneven pressurization in the reactor cavity. These orifice plates are located on the cavity wall penetration as shown on G&H Drawing 2323-Sl-0547, Rev. 4, Sections 2-2, 2A-2A and 1A-1A. The reactor vessel nozzle connections to the piping are shown on G&H Drawing 2323-M1-0520, Rev. 4. h6G Ornv5
. Gibbs S Hill. inc.
GTN- MS4d/ / Attachments:
- 1. G&H Drawing 2323-S1-0547,-Rev. 4
- 2. G&H Drawing 2323-M1-0520, Rev. 4 Very.truly yours, GIBBS & HILL, Inc.
REBa gw Robert E. Ballard, Jr. 1 Letter Project Manager
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cc: J.T. Merritt (TUSI Site) lL M.R. McBay (TUSI Site) IL r, Drave
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.. s TENAS UTILITIES GENERATING COMPANY OFFICE MEMOR ANDUM Jerry Firtel nose, h March 22, 1984 To Subject Comanche Peak Unit 1 NRC Allegation Number 40 Input on Air Quality for Protective Coating Process Two Ingersol-Rand SSR-2000 compressor Models 1200H supply air to Unit 1 Containment Building. These units contain moisture traps and filters which provide clean, useable air (see attached). Air leaving these units passes through three moisture and oil traps. Prior to the air being used, it goes through additional in line, procedurally required, filters / traps, or separators. .
~T. L. Kason -
Quality Engineer Attachment y,. p+ mes, Mb
T Every Ingersoll-Rand SSR-2000 Protective Controls System / Cooling Rotary Screw Air Compressor Air and coolant pressure relief. 1 Duilt-in air or water cooled af ter-package is complete with the Air discharge check valve. coolers through 1200 cfm with following standard equipment. integral mounted moisture High ak tempeMure shutdown M ake A r Fi te 2 a age Dry type. 99.9% efficient 10 micron { an o r. 3 High altitude package cnd above, Over current protection (motor & starter). 4 Low ambient package Compressor 5 Prefilter options for dusty / dirty p Asymmetrical rotors, sealing strips, environments thrust offset pistons. on indicator light- 6 High cooling water temperature Electric Motor wa er coolers Hour meter. 460-575/60/3, open drip-proof Controls itinged induction. Air filter service indicator. Coolant filter eervice indicator. 1 <ACS>-automatic control mode n a ea r Air / coolant discharge temperature 2 u o atic start and stop speed, permanent alignment. 3 Safety shutdown annunciator Discharge air pressure gauge for panel Hydraulic Support Module separator element service indication. ~ Coo ant Pump 4 Sequence controller for mulf Selector switch forload or noload tiple unit operation Full flow gear type. operation. 5 Phase voltage relay Coolant Filter Selector switch for on line/of f line or 6 Power factor correcting 10 micron with pressure bypass. modulating control. capacitors, built-in Operationalmode indicator lights. Coolant Heat Exchanger 7 Voltage Options Integrally mounted air or water Easy tilt out access to all cooled. Air maximum 100'F, water components. Y maximum 90'F. UL approved SSR 2000 shrter and 2 er m unting Coolant Temperature Control total integral control assembly meet Valve the requirements for Underwriter Air Quality Fast warm-up and proper operating Laboratories approvalas appliedin Special non-lube package additions temperature. each SSR-2000 compressor, are available for use with the 000 compressor unt Separator Element Exclusive SSR Coolant . 2 stage molded fiberglass,2 PSI a P Specifically formulated for use in as new. SSR-2000. Lubrication qualities far exceed standard petroleum base Rigid Piping-Flared Fittings and synthetic oils. Initial charge of Bundyweld or seamtess steelwith coolant fully warranted for one year flared fittings and flexible operation in SSR 2000. connections. Control Module Enclosure Starter 1 Single door access to all 460-575/60/3 Full voltage starter. maintenance items. Control circuit transformer included. Sing!c air inlet and dischar00 Protective starting control. connections provide for optional All components mounted in enclosed prefilters and addition of energy cabinet with lockable door. recovery system. Electrical Controls package available. ' "" 'f All solid stato printed circuit boards 2 Enclosed 76 dO(A) sound Capacity Regulation attenuating canopy available. On line/Off line with upper range 3 Special package for unprotected modulation. outdoor installation
Air / Coolant Separation ioaa o", -
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etticency achteved .n tre Seoarat n" >m ,
' +*t : 7D'nes the proven cam l SSR 2000 compressor ionly 2 to 3 pro.ea l' ,' .'i ! , a' %c me a s D4 v an excius.ve har zonta: i parts per mdhon by weight absolutej weh as dram vai , estencea e!e mounteo $berglas; structure Mth l is tne direct result of intensive rrent me the adaed effectiveness of Mo des,gn and development in two stages of separation l t,erta a ;rientat >, - .r,e sep ,
distinct areas arat'on tan- 4 m redt # by The element works by direct l
, Tank Design apprormam , n 'N an'ount of inertial mechanical means with no l 1 A unique and innovative ver comprews tud required to ausmption of the compression !
ticany mounted separanon tank charge tne sjstem at change flutd As a result longer element j hfe has been achieved (average has been specifically designed for t me turmer reduc:ng costs tne SSR-2000 to remove the 10.000 hours before replacement) 1 maior tv of the compression fluid together with a new standard of dis-be/ ore it reaches the separation charge air quahty (only 2 to 3 parts element per million by weight absolute) A precisely engineered batthng The SSR-2000 element also systentesigned inta the lower por has - by design -an extremely low i tion of the tank forces the air / fluid pressure drop for a two stage mixture to proceed through a separation element This low pres-series of 90 direchonal changes sure drop reduces the horsepower before reaching the element reautred to move the air through the Ihis < pre-cleaning > action e!ement into the system. resulting removes the major ty of the coolant in higher horsepower efficiencies from the air stream reducing the and lower overall costs SSR2OOO Ain Coolant separation system
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