ML20107C353
| ML20107C353 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 09/30/1983 |
| From: | GIBBS & HILL, INC. (SUBS. OF DRAVO CORP.) |
| To: | |
| Shared Package | |
| ML20106F959 | List: |
| References | |
| NUDOCS 8502210284 | |
| Download: ML20107C353 (37) | |
Text
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TEXAS ' UTILITIES GENERATING CCMPANY CCle'.ANCHE PEAK S':~i.AM ELEC'"RIC STATICN PRELIMINARY CCATING . WTICN LCG SEP"'IMBER, 1983 i "'.
%.)
GISBS & HILL, Inc.
NEW YCRK, NEW YORK J
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8502210284 850213 PDR S ADOCK 05000445 PDR <
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.s. . INTRODUCTION
- The attached log includes the following items: - - -- -
- 1. Coat ng which. did not meet QC requirements as documented by ' '
<DCAs..
7 2. Costings which did not meet oc requirements for primer documented,by PCRs (back-fit inspection reports).
- 3. Coatings applied to equipment installed inside which does not meet the requirements for coatings to be used inside containment. -
Please note the following concerning the above:
- Regarding Item 1: In most cases the':CA established the area of unsat sfactory coating; in other cases a conservative estimate was made. ,
+ Regarding Item 2: I.iner-plate PCRs were not included. The field should confirm if any of the noted areas have been t]_. repaired to a satisfactory condition. Final PC inspection reports should be used to close out the violating PCRs.
Recardine Item 3r Westinghouse equipment is not included.
Estimates of mil thickness are conservatively based on the generic type of paint used.
This log is preliminary and represents a starting point for the i
ongoing personnel.
logging of protective coating deviations by field It is felt that sufficient information is presented and that the field should modify the format to suit their needs.
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SUMMARY
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Per Table 1, the total. area and volumes of unsatisfactory coatings are as follows:
Area Volume Scuare Feet Cubie Fee-Category 1 '% 5,100 4.25 -
. N Category 2 1,800 1.50 Catagory 3 4,500 1.12 11,400 6.87 Contingency (10 Percent) 1,100 .7 Total 12,500 7.6 The area of unsatisfactory coating represents less than 4 percent /
- of the-coated surface inside containment. The potential volume of coating represents a film of 0.3" thickness across the available 300 square feet of the containinent recirculation sump Ci v screen area. -
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( Sheet 1 of 3 TABLE 1 ,
CATECORY I Total Unsatisfactory Area:
Structural, Tiner-Plate -
2900 other -
800 Electrical -
330 Mechanical -
1050 5080 ft 2, use 5100 fta g%
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Total Volume of Unsatisfactory Coating:
Basis: 10-Mil S ickness: .' --
5100 ft2 x 0.010 inch = 4.25 ft3 12 inch /ft
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s; -4 Sheet 2 of 3 TABLE 1 CATEGORY 2 Total Unsatisfactory Area:
Miscellaneous Steel -
1600 Pipe Supports -
70 Cable Tray Hangers -
130 Conduit Supports -
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1840 ftz, use ISCO ft2 r
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o Total Volume of Coating:
i Basis: 10-Mil. Thickness:
1800 ft2 x 0.010 inch. = 1.50 ft3 12 inch /ft 4
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n Sheet 3 of 3 TABLE 1 '
CATEGORY 3 Total Unsatisfactory Area:
Electrical - Lighting Panels -
200 Light Fixtures - 1000 Light Fixture Reflectors --2500 Mechancial - Piping -
60 Valves -
100 Tank -
100 C- Pump Motors 50 V. Other Equipment
- 300 Instrumentation -
185 4495 Use 4500 sq. ft.
1 Total' Volume of Unsatisfactory Coating:
Basis : 3.0-M1L Thickness (assumed standard industrial grada enamel) -
4500 sq. ft. x 0.003 inch = 1.12 ft8 '
- 12. inch /ft 9
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CA1TGCRY 1 Oetailed fisti:.g (2 Sheets) .
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CATEGORY 1 (Coatings which do not' meet QC requirements ,
as documented by DCAs.) ,
DCA No/ Description , Unsatisfactory Rev. No. of Item , Area (ft2) Remarks
-13156/6 Liner-Plate 1700 St
_a6230/0 Liner-Plate '350 St
~g6114/0 Liner-Plate 100 St,1
--5975/0 Liner-Plate 425 St J5482/0 Liner-Plate 125 St 14640/0 Liner-Plate 100 St,1
---6174/0 Liner-Plate 100 St,1
-413156/5 Junction Box Support 20 El,1(assumed as small item)
N4 2951/0 11 Lighting Panels 110 II,1(assu=ed .
10 ft* each)
"893/0 Electrical Panel Boxes 100 El,1 en P=lar Cranes
_. ~45002/0 Electrical Penetration; 100 El,1 f1 Flanges
'47973/1 Eans (4) 40 Me,1(assumed i
--" 10 ft* each) 4926/1 6 Preaccess Filtration 100 Me,1 Units
-29045/0 Work Area between EVAC. 100 St,1 Ducts and Concrete
.;8685/0 HVAC Duct Section Em- .100 Me,1 l bedded in concrete 1836/1 Elevator Enclosures 100 st,1
( .J7571/0 Torque-Lift Equipment 100 Me,1 l -9366/0 Reactor Equipment Hatch 100 Me,1 Cover
_J7864/0~ Containment Side 100 Me,1 Personnel Air-Lock l
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8-g CATEGORY 1
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X DCA Nc/ Description Surface .
Rev. No. of Item Area fft2) Remarks k.
p -315578/0 Block-out 100 St,1 g 0 5504/0 Areas Behind COW Drain 100 St.1
'3 Tank 111016/O Sump Pit 100 St,1 s 7859/0 Handrails, Platform Sup- 100 S t,1 ports, Ladders and 7-ked-ments (Roem9R@
~10786/0 Pipe Hangers 15 St
~9642/1 Pipe Hangers 70 St
%13156/5 Pipe Hangers 20 St
" 9231/0 Valve Cperator 10 Me
__5195/0 Valves Attached to 4-in, 100 Me,1 .
line
. a16151/0 Universal Joints for 100 Me,1 Valve- Reach Reds
. - ~ 49885/0 Pipe Stubs (1/4-in to 100 Me,1 C$.1 1/2-in.
Diameter, 4-in. to 8-in.
-c long)
.'" w 4966/0 Reactor Vessel Column 100 St,1 c Support
, w 6384/0 Clovises and U-Clamps ICO Me,1
- . Under 2 in.
t '" 6236/O Brackets and/or Bolts 18 Me
~/ ~ 5092/0 Brackets and/or Bolts 10 Me
~ 9927/O Brackets and/or Bolts 10 Me,1(assumed small items)
~9360/0 Brackets and/or Bolts 50 Me w 8640/0 Brackets and/or Bolts 12 Me Notes:
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Area assumed as noted or 100 square feet used.
St -
Structural item.
E1 -
Electrical item.
Me -
Mechanical item.
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, CASCCRY 2 Detailed Listing (8 Sheets) .
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. , , CATEGORY 2 (Coatings which do not meet CC requirements for primers as documented bY PCRs.) ,
Description Total Unsatis-PCR No. of Item factory Area Remarks 633 Rigging Clip 2 1,4,5 El 1046 A2-222 808 PC Bracket El 939-949 50 2,4 A-124 809 PC Bracket El 939-949 75 2,4 AC-150 811 PC Bracket El 939-949 4.5 3 AZ-291 858 Terminal Box "E" 2 1,4 Seal Table Roem, E1;832 ft-6 in
- 994 OP Beam 17-505-AF1 ,10 2,4 El 941 (C-1) SG No. 1 997 OP Beam 19-505-D1 20 2,3
({} 1003 El 84L (C-3 ) SG No. 3 Platform No. 9 10 2,3 El 883 AZ-135 '
1005 Ladder to Platform No. 9 10 2,3 1076 Instrument Cover 0.2 3 El 808 Rad 22 A2-91 1140 Stairway Riser, Outer 20 2,4 El 808-815 AZ-137-148, Rad 66'-6" . -
1141 stairway Riser, Inner 20 2,4 - ..
808-815 AZ-137-148, 8 Red 66' 6" 1166 Platform Channel 25 2,4 El 826 AZ-30-35 Rad 65' 1179 RC Pump support (C-1) 2,4,5 El 812 Rad 32 ' Loop No. 'l '
1249 SG support Column (C-2) 2,4,5 El 812 1258 Pipe Whip Restraint 100 2,3 El 812 A200 (C-2) 2771 RC Pump Support (C-2) 10 2,4,5 El 812 A2-215 1333 SC Lateral support 25 2,4 El 834 C-3 1400 RC Pump Sway Support 25 2,4 I. E. 830 (C-3)
1415 Structural Steel Brace, 10 2,4,5 El 814 ft, 6 in between RCP .
Supports and SC (C-3)
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Description Total Unsatis-PCR No. of Item factory Area Remarks 1430 SG Support (C-3) El 812 2,4 1432 RCP Sway Structure (C-4) 1,4,5
- El 830 1@5 1437 Pipe Whip Restraint 2,4,5 El 827 (C-4) West Wall 1493 PC Runway Support Bracket 10 2,4,5 940-950 AZ-47 -
1495 PC Runway Support Bracket 50 2,4 El 948-950-AZ-218 O
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, , , Description Total Unsatis-PCR No. of Item factory Area Remarks 1497 PC Runway Bracket, A-2 40 2,4 1498 PC Runway Bracket, AZ-349 50 2. 4
- i 1499 PC Runway-Bracket, 50 2,4 El 948 ft-3 in to 950 ft-8 in -
AZ-339 1521 PC Runway Bracket AZ-323 30 2,4 1522 PC Runway Bracket AZ-311 20 2,4 1529 PC Runway Bracket AZ-259 30 2,4 -
- 1592 FC Runway Bracket AZ-233 30 2,4 i
1600 PC Runway Girder 11.7 1,3 AZ-278 to 291 1602 PC Runway Girder 4 1,3 AZ 304 to 317 Instrument Plate SW Wall 1616 Valve Roca El. 824 ft, 4 in. 5 1,3
- 1622 Neutron Detector Positioner 5 2,4 El 812 ft, 6 in (C-2)
- 1628 Neutron Detector Positioner 5 2,4 ;
- fi EL 812, 6 in (C-3)
- 1635 Neutron Detector Positioner ij) 2,4 El 812, 6 in AZ-90 1643 PC Runway Bracket 50 2,4 948 ft, 5 in to 950 ft, 8 in AZ-169 1645 Lighting Conduit 0.8 1,3 Junction Box 4
Support El 949 AZ-165 1682 PC Support Cirder 1.9 1,3, 5 El 947 ft, 6 in to 950 ft, Ar-188 to 201 l 1749 Lighting Conduit 0.8 1,3 -
Junction Box Support El 948 ft, .
6 in, A2345 1756 Lighting Conduit 0.8 1,3
, Junction Box Support EL 948 ft-6 in AZ-358 1795 PC Runway Girder El 947 ft-6 into 850 ft, 6 1,3 A248 to 111 ,
1802 PC Runway Bracket 50 2,4 El 948 ft, 6 in to 951 ft, 2 in, f A2-53 Y . ,
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Description Total Unsatis-PCR No. of Item factory Area Remarks , _ .
1804 PC Runway 3raket 50 2,4 El 948 ft, 6 in, .
to 951,ft, 1 in, .
AZ-143 1805 PC Runway Bracket 50 2,4 El.948 ft, 6 in, to 951 ft, 2 in, AZ-131 ,
1808 PC Runway Bracket 50 2,4 El. 948 ft, 6 in, to 951 ft, Z in,
, AZ-156 1894 Platform Support 13 2,3 El 870 ft, 6 in -
A2-70 s-
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x- Description Total Unsatis-PCR No. of Item factory Area Remarks 1901 Pressurizer Room Grating 5 2,4 Support El 861
, 1909 Pressurizer Room Grating 5 2,4
, Support El 861 1940 Pipe Whip Restraint - 10 2,4,5 No. FW-1-018-901/A/C57 1961 Instrument Stand in Q4, 5 - 1,4 El 661 ft, 4 in 2003~ T* bedded Support Cperating 5. 1,4 Platform El 822 2143 Pressuri=er Room Cperating 5 1,4 Platform El 886 ft, 4-1/2 in 3551 FC Sottom of Girder and 25 1,3 Catwalk 3554 PC Trolley 100 2,4 3557 PC End Girder Support South 15 3 3558 FC Northwest Wheel Asse=bly 10 3
,s 3559 Hoist Support (Room 156 90 2,4 fg* Cavity Entrance) -
3581 - -Cuter Side of PC Main Girder 5 1, 3 , 5 3633 PC Main Girder inside 4 1,3,5 -
(East Girder) 3634 PC Main Girder inside 4 1,3,5 (West Girder) 3635 Wheel Assembly PC Northeast 20 3 3636 Bottom and Back-End Support 36 3 3639 North End East Girder Bottom 8.3 3 l 3641 PC Trolley Bottom Southwest 18 3 l inside Wheel Assembly 3642 PC Bottom Catwalk on South- 20 2,4
! east End of Trolley I
3644 PC Bottom Catwalk West Side 80 2,4 of Trolley 3667 South Rail Guide in West 40 2,4 Girder /
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1626 Neutron Detector Positioner 5 2,4
. El 812. ft, 6 in .
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15-CATEGORY 2
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CTE = CABLE TRAY HAN'GERS -
e Description Total Unsatis-PCR No. of Item factorv Area Remarks 47 CTH No. 233 El 808 5 2,4 50 CTH No. 237 El 808 1.5 2,3 62 v.a No. 5826 El 808 1.5 2 , '3 66 CTH No. 5856 El 808 5 2,4 67 CTH No. 5815 El 808 1.25 2,3 70 CTH No. 5845 El 808 5 2,4 71 CTH No. 5846 Il 808 0.5 2,3 72 CTH No. 5849 El 908 0.75 2,3 82 v.s No. 5834 El 808 1 2,3 1.' '1 CTH No. 5819 El 428 5 2,4 114 CTH No. 5853 El 808 5 2,4 129 v.s No. 5850 II 808 10 2,4 255 CTH No.1227 El SC8 3 2,3
, . . 264- CTH No. 1223 El 808 3 2,3
(_) 279 CTH No. 1233 El 808 6 2,3 289 CTH No. 46 El 808 1.2 2,3 12 40 CTH No. 5727 El 832 5 2,4 1241 CTH No. 5728 El 832 5 2,4 ,
1243 CTH No. 5802 El 832 5 2,4 1264 v.s No. 5729 El 832 5 2,4 1268 CTH No. 5795 El 832 5 2,4 1290 CTH No. 5985 El 832 1.25 2,3 1291 CTH No. 5786 El 832 1.2 2,3 1340 CTH No. 5756 El 832- 5 2,4 1359 CTH No. 5752 El 832 1 2,3 1362 CTH No. 5740 El 832 2.75 2,3 1735 CTH No. 2360 El 847 1 2,3 1734 CTH No. 2359 El 847 5 2,4 1
1774 CTH No. 2362 El 849 5 2,4 1816 CTH No. 1229 El 860 2
- 2,3 .
1839 CTH No. 4737 El 868 5 2,4 1842 CTH No. 4740 El 867 10 1,4 3501 CTH No. 10137 El 842 1.8 2,3 3503 CTH No. 9996 El 832 5 2,4 d
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s CATEGORY 2 .'
g 7, ES a Pipe SupporterMangers Description Total Unsatis-
- PCR Np3 o_f Item factorv Area Remarks 147 PS No. DD-1046009C45R .5 2,4 505 PS No'. CT-1-090-015-C92R 2.7 2,3 534 ,
PS No; CT-1-091-002-C92R 2.7 2,3 536 PS No._CT 1-032-002-C92R f' 50 2,4 547 PS No. CT-1-032-012-C92R \ 5 2,4 579 PS No.<*T 4-068-024-C92R 5 2,4 565 PS No. CT-1-091-024-C92R O.7 2,3,5 588 PS No. CT-1-068-003-C92R 5 2,4 593 PS No. CT-1-068-008-C92R ,
5 2,4 596 PS No. CT-1-068-011-C92R S 2,4 599 PS No. CT-1-068-014-C92R S 2,4 825 s PS No. CC-1-205-011-C53R 5 1,4 _*
989 PS No. PW-11809-C72K 0.5 2,3,5 .-
1532 .
PS.No. CT-1-013-400-C82R , 1.75 2,3 <
1572 PS No. EW-1-096-023-CS2R 1.5 1,3 i (Q
v 1724 PS,No. EB-223-VB-1-058 5 1, 4 1725 , , P'J. at EL-787, A2-295 5 1, 4 - --
1727 ..,, " PS No. ED-24-4-VD-1-054r # 5 1,4 2057 PS No. CT-1-053-402-C621* 1.2 1,3 .
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i CATEGORY 2 CS = CondGlt Supports
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s Total Unsatis-PCR No. Total Area factory Area Remarks 243 CS No. C-14K10129-2 El 808 ~5 2,4 263 CS No. C-14W18090-5 El 808 5 2,4 410 'CS No C-12K11565-4 El 808
. 5 2,4 660 CS No. C-14012624-9 El 1022 2.5^ 2,4 671 CS No. E-7906 El 1023 5 2,4
. 707 CS No. 13868-13 El 905 10 2,4 1763 Lighting Conduit Support 0.25 2,3,5 El 984, AZ-22
. 2104 CS No. 07299-01 El 832 5 2,4 2171 CS No. 053524 El 832 2.5 2,4 2172 CS No. C14K14840-2.El 832 5 2,4 .
2173 CS No. C12K11910-1 2.5 2,4 2174 CS No. 09007-1 1.25 ---
01.Notes:Area
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Area obtained f cm PCR.
assumed or 100 square feet used for miscellaneous steel.
Area assumed or 10 square feet used for pipe supports.
Area assumed or 10 square feet used for cable tray hangers.'
Area assumed or 5 square feet used for conduit supports.
- 3. Unsatisfactory area obtained from PCR.
- 4. Unsatisfactory area (percent) estimated from PCR.
- 5. Less than 10 percent of total area.
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Detailed Listing (3 Sheets) k e
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" L'. CATEGORY 3 Sheet I of 3 Electrical Equipment
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Description Iten Designation B/M No. Area, Sc. Ft.
Lighting Panels SC3 L45l>4 200 (total)
& Contactors C2 & C3 L56 V CS & C6 L56 W C9 & CIO L45 El SC4 L45 GS C11 & C12 (By Field)
SC2 L45 G3 C1, C4, C7, & C8 L56 X LCC1 L45 C1 SC1 L57 C-C1 thru C4 L45 U Lighting Fixtures CI/ CIA L45 K 1000(total)
C3 L56 L C4 L45 M C6/C6A L45 N
(})- . . . - - - - . . . ._.. C7/C7A .. L45 P .
CS/CSA L45 Q C9 L45 R C10 L45 S C11 L45 Y B L45 T E 15 L42 Light Fixture --- ---
2500(total)
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CATECCRY 3 Sheet 2 of 3 Mechanical Equipment .
Description Designation Item No. Area, Sc. Ft.
Eire Protection 11' -6" Dia. NA - 2 59 Piping 60' -4' Dia. NA 6 150' -3" Dia. NA 12 200' -2 1/2" Dia. NA 13 500' -2" Dia. NA 26 7' -1 1/1" Dia. NA 1 60 (total)
Hose Station 11 - 3'x3'xS" NA 100 Cabinets Misc. HVAC None NA 50 Equipment CC'# Drain Tank. Steel TarJc CP1-CCAIDT - 100
() 02 Pump Motors Sump Pump Motors CP1-CCAPDP- 50 03, 04 CP1-WPAPCS-01 thru 04 CP1-WPAPRS-01, 02 Skimmer Pump Motor CP1-STAPRS-01 Valves Misc. S. mall Valves NA 100 Misc. Mech. None NA 150 Equipment
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CATECORY 3 Sheet 3 of 3 Instrumentatiert ,
Item Descriptiert Designation Item No. Area, Sc. Ft.
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Switches 51 at 0.5 sq. ft. NA 16 Transmitters 28 at 2.0 sq. ft. NA 56 Indicators 5 at 0.5 sq. ft. NA 3 Valve Cperators 50 at 2.0 sq. ft. NA 100 O
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K s-( * *D;D CF DCCUMDC+ * *112323050-133 6a* * *001*"0711 * "DQ CF CCCL7E
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- 001 * *
- 0711 ***END OF CCCLTE
- *Da CF CCCUMDC* * *112323050-133 6a* * *001* * *0711 ***END OF CCCUME
- *DC OF CCCUMENT* * *1123 23050-133 6a * "001* * *0711 * * *END OF DCCLTE
- END OF DCCL E ***112323050-1336a***001***0711 ***END OF CCCUME
- *END OF DCCL7ENT* *
- 112323 050-13 3 6a * * *001* * *0711 , ***END OF DOCLTE
- END OF DCCUMENT* *
- 112323 050-133 6 a * * *001 * *
- 0711 * * *END OF DCCUME *
- *END OF CCCUMDC* * *112323050-133 6a * * *001* "0711 ***END OF DCCLHE
.**END or DOCUMENT ***112323050-1336a***001***0711 * * *END OF DCCLHE
- *END OF CCCUMDC* *
- 112323050-133 6a * * *C01* * *0711 * * *END OF DC'ME O
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TIX-4249 August 10, 1984 QUESTIONS RELATIVE TO ALLEGATION NO. 4 a) Provide the basis for area figure in item 30 of CEL.
Response
a) A takeoff was made from design drawings to determine number of Richmond Inserts inside the containment building. The area on the exe=pt log represents the total area of all Richmond inserts.
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TXX-4249 August 10, 1984 QUESTIONS RELATIVE TO ALLEGATION NO. 6 a) How much area is involved? Provide the basis for the area. Identify the NCR/DCA that places this item in the CEL.
Response
a) The information requested is not available. These areas are not on the exempt log.
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I TIX-4249 August 10, 1984 QUESTIONS RELATIVE TO ALI.EGATION NO. 7 a) What is your method for incorporating updated manufacturer's recommendations into CPSES procedures?
b) When were the recommendations in Imperial's January 16, 1983 letter incorporated into CPSES procedures? .
Response
a) Information received from coatings manuf acturers are incorporated into application procedures by issuance of a Document Change Notice or formal revision to the procedure.
b) The only recommendation made on January 19, 1983, was to pay particular attention to application parameters outlined in the letter. CCP-40 was already in accordance with these application parameters.
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TXX-4249 ,
1 August 10, 1984 QUESTIONS RELATIVE TO ALI.ECATION NO. 10 a) Our initial observations are that IR's do not record specific surface preparation tools that were used. Identify documents that show which specific tools were used.
b) We understand that there was a time period during which there were no inspection or IR records for surface roughness. What was the time period involved? Identify documents which demonstrate acceptable substrate surface preparation of hand and power tool cleaned surfaces during this period, c) If you cannot provide the information for a & b above, provide engineering basis and test results which show that coatings in question will adhere to the substrate.
d) If you cannot provide information in (c) above, provide the total surface area involved and the basis for these figures. Are these areas in the CEL7 Identify the NCR/DCA that covers these items.
e) Determine whether any updated coating manufacturer's independent DBA tests were performed which would provide an acceptance basis for these items.
Responses a) Inspection documents do not record specific preparation tools which were used.
.b) -The time period involved is August, 1983 to approximately March 1984. All inspection reports during this time period verified proper surface preparation prior to coating application.
c) N/A d) N/A e) N/A t
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TXX-4249 ,
August 10, 1984 QUESTIONS RELATIVE TO ALLEGATION NO. 12 We see sufficient disimiliarities in the test data attached to your response to conclude that the test data do not apply to this allegation.
a) What is the size of the total surface area having this coating system?
b) Explain the basis for this total surface area.
c) Are these areas entered in the coatings exemption log? Identify the NCR/DCA that covers these items.
Response
In resolving this matter, it must be kept in mind that the 102 mil concrete coating thickness is merely a theoretical possibility and not fact. Accordingly, we believe the data previously submitted to be applicable and definitive.
a&b) The information requested is not available.
c) No, these items are not entered on the Coatings Exempt Log.
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TII-4249 August 10, 1984 QUESTIONS RELATIVE TO ALLEGATION NO. 15 a) What is the size of the total surface area having this coating system (Inorganic zine over organic topcoat)?
b) Explain the basis for this total surface area number.
c) Are these areas entered in the coatings exemption log? Identify the NCR/DCA that covers these items.
d) We have reviewed a Request for Information or Clarification (RFIC), dated 10/20/83 that authorizes the une of the inorganic zine top over epoxy. We have also reviewed an earlier RFIC, dated 01/07/83 that does not permit zine to be applied over epoxy. What is the engineering justification for this change in requirements?
4 e) Has inorganic zine actually been applied over epoxy in overlap areas? If so, identify the applicable IR's.
a.
Response
a) The requested information will be provided at a later date.
b) N/A c) No d) The referenced RFIC's were addressing degree of overlapping coating systems.
- In a repair area, there is not a well defined separation between topcoat,
, primer and substrate. Within the repair area, there is a " feathered" area which has. inorganic sinc applied over topcoat.
e) All primer repairs will probably contain areas where inorganic zine was applied over epoxy. Inspection records of primer repair areas are available for review.
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TXX-4249 August 10, 1984 (UESTIONS RELATIVE TO ALI.ECATION NO. 17 a) Identify those IR's that document cases where defects due to foreign matter in the compressed air were detected and corrected.
b) When was the defective air compressor for paint application replaced?
Response
a) Inspection reports are available for review.
b) Replacement equipment for the air supply system was installed in September 1983.
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o TXX-4249 August 10, 1984 QUESTIONS RELATIVE TO ALLEGATION NO. 18 -
From previous BNL inspections, we understand that the Comments section of the Backfit Program IR's could be used by QC inspectors to identify visual defects.
Identify, if any, IR's that document visual defects during the Backfit Program.
Response
We previously provided a copy of all Backfic Inspection Reports as part of our response to Section III.A.3 of the BNL Interim Report. (Refer to TXX-4225 dated July 16, 1984).
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TIX-4249 August 10, 1984 QUESTIONS RELATIVE TO ALLEGATION NO. 19 a) Provide list of Backfit Program coatings inspectors.
b) Provide copy of indoctrination and training (I and T) records for these inspectors.
c) Provide copy of training procedures.
d) How many times were procedures 11.4-23/24 revised and when?
e) Identify documentation of the I and T provided for each revision.
The above requested information should cover all levels of personnel involved in the Backfic Program, including quality control supervision and personnel who conducted training of inspectors.
4
Response
a&b) This information was provided in response to Section III.B.6 of BNL Interim Report. (Refer to TXX-4225 dated July 16, 1984).
I c) A copy of the training procedure is attached.
d) QI-QP-11.4-23 QI-QP-11.4-24 R-0 11/19/81 R-8 07/14/83 R-0 02/05/82 1-1 11/23/81 R-9 07/29/83 R-1 02/10/82 R-2 12/17/81 R-10 08/12/83 R-2 02/25/82 R-3 01/20/82 R-11 08/18/83 R-3 06/29/82 R-4 02/25/82 R-12 10/24/83 ' R-4 03/01/83 R-5 04/05/82 R-13 04/18/84 R-5 07/05/83 R-6 03/01/83 R-6 07/14/83 R-7 07/05/83 R-7 04/18/84 e) Documentation of indoctrination and training of revisions after' initial certification is not required or retained.
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