ML20002C439
| ML20002C439 | |
| Person / Time | |
|---|---|
| Site: | Big Rock Point File:Consumers Energy icon.png |
| Issue date: | 03/23/1978 |
| From: | Skibitsky W CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.) |
| To: | Ziemann D Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8101100304 | |
| Download: ML20002C439 (7) | |
Text
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March 23,;1978
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MAR 2 71978" Director, Nuclear Reactor Regulation jy
-Att: Mr Dennis L Ziemann, Chief 4 s~~
Operating Reactors Branch No 2 US Nuclear Regulatory Commission Washington, DC 20555 DCCKET 50-155 - LICENSE DPR BIG ROCK POINT PLANT By letter dated February 2h, 1977, consumers Power Company submitted an evaluation of the environmental qualification of safety-related equipment at Big Rock Point. Subsequent to this submittal, some corrections and ad-ditions to the evaluation have been made and are forwarded attached. The changes are minor in nature and do not alter the conclusions of the origi-nal letter. They consist of:
o (1) Sheet 6 of 11 - Junction boxes identified as 178 A, B should have been 170 A, B.
(2) Sheet 9 of 11 - The RDS valves are Target Rock Model 73V001 (6" x 10")
Vice 73E001 (l").
(3) Sheet 10 of 11 "he power source for reactor pressure transmitter is Rosement SPS-210lP, Vice SPS-21018.
(h) Sheet 10 of 11 - The reactor pressure indicator is Analogic Measuremeter PI2hh5/6/2, Vice PJ2hh5/G/2.
(5) Sheet 10 of 11 - The steam drum level svitch is Yarway Model h320PE, Vice hh20C.
(6) Sheet 11 of 11 - The scram pilot valves should be tag Numbers SV-UC27A2A through SV-NC27FSB; there should be no Qs.
(7) Sheet 11 of 11 - The dump tank vent valves are ASCO Model EVA 90 h05-2A, not 831622 with HVA conversion.
(8) Sheet 11 of 11 - The dump tank isclation valves are added to the equip-ment list.
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11-k Additionally, two other slight corrections are to be made that do not appear
' on corrected sheets. In Footnote' 3; the NRC representative contacted was
- D R Hunter and in the cover letter, the level sensors that could possibly j.
.be damaged due to explosion of nonsafety-related motor control centers are the steam drum level sensors, not reactor level. sensors as previously identi-l
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t William S Skibitsky Senior Licensing Engineer CC; JGKeppler, USURC 4
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Normul 14.7 140 80 N4 idos reilui red. 14scuted in control lAdo Heuctor Preucurs SPS-210lP bivi ronsen t room and will emperience nosmal "Q
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Yes 401 A3CO/l3 31622 navironment I let.7 2h0*
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Vulves With ifVI A 90-Intermitten for SV 4900 (Puce 9).
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Tteres Conversion Cantli.w >uu GU-DCZI F.ti C.intain ut C
No 436 Itundel/Pe tte.! Environment I hh.7 27h 100 Dat NA Quullfied ley evaluation as U **'I'"I documented 1.y letter M lt Wude Irnetrution to W S OkH M Q M a W y C..ntuinment' Amphenol flort (Wude 03 70).
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Yes 1:01 ASCO/831622 Davironment I l t.7 2h0*
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olocy for UV-h900 (l asge 9).
90 leh1-1A 220*
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W r-l (3 os/L/1sr REGULATOR) INFORMATION DISTRIBUTION SYSTEM (FID51 DISTRIBUTION FOR INCOMING MATERIAL 50-155 FEC: ZIEMANN D L ORG St IBITSt Y W 5 DOCDATE O? e2 ' m NRC CON:.UMEF? FWR DATE FCVD O.e17-Di.:< T Y PE : LETTER NOTARIZED. NO C05 !Ec FCC E!W 8i SUEJECT:
LTR 1 E'E 4 -
FilFNISHINO CORPEC T ON (.ND ADDIT IONF TO AFFL TCr.NT"5 02/24 /77 EVALUAT IO'.' Os T W.
ENVIRON,00ALIFICATIOf4 OF SAFETi-RELATED EQUIFMENT AT SUE: JECT FACILITY FL ANT NAME: E:IG ROCF P1 REVIEWEF INITIAL
=JM DI si R ? E:UTOR IulTIAL $
+ m +....+.**** DISTRIBUTION OF THIS MATERIAL 15 AS FOLLOWE +++++=+++++++++++-
GF f JFR AL DISTRIEUTION FriR AFTER ISSUONCE OF OPERATING LICENSE (DISTRIE:UT ION col + AGOI)
FOR ACl ION:
DR CHTE Q "++W/7 ENCL INTERNAL:
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SIZE: 2F+4P
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