ML20213D245
| ML20213D245 | |
| Person / Time | |
|---|---|
| Site: | Columbia |
| Issue date: | 07/10/1980 |
| From: | Check P Office of Nuclear Reactor Regulation |
| To: | Tedesco R Office of Nuclear Reactor Regulation |
| References | |
| CON-WNP-0305, CON-WNP-305 NUDOCS 8007230953 | |
| Download: ML20213D245 (4) | |
Text
_ _ _ _ _ _ _ _ _ _ ___
{}'
[h hh 10 E DISTRIBUTION:
Locket File f 3
ICS3 Reading File
{
NRR Reading File PScheck MEl10RAllDUM FOR: ' Robert Tedesco, Assistant Director i
for Licensing l
Division of Licensing FROM:
Paul.S. Check, Assistant Director for Plant Systems Division of Systems Integration
SUBJECT:
ADDITI0flAL ICSB QUESTI0flS - !1ASill'<GTN! tlUCLEAR 2 Plant flar.e: tJPPS-2 Docket fluFber: 50-397 Licensing Stage: OL Responsible Branch: Licensing Branch tio.1 Project fianager:
D. Lynch ICSB Reviewer: 11. Goosey (Savannah River Plant)
Enclosed are additional questions that were generated by the Savannah River Plant ICSB reviewer following his assessrent of Section 7.0 of the WPPS-2 Final Safety Analysis Report. We anticipate that' additional questions will be forthcoming as the review continues. He suggest that these questions be forwarded to the applicant as soon as possible. The applicant should be informed that there is a need to respond as promptly as possible to ensure that the reviewer completes his review on schedule.
- le request that copies of those transmittals be provided to ICSB (D. Sullivan) and SRL (A.11adden).
The nunbers that appear with the enclosed q'uestions were generated by Savannah River. Please revise the nur.bers to be consistent with 7.he previoas questions.
If you have any questions, please contact D. Sullivan, ICSB, on X29436.
...J oy.
nui s. chuk s
8007190 63 N P S. Check, Assistant Director r Plant Systens Division of Systems Integration
Enclosure:
As stated n
7 Yo.g.blo..od.D
,, cy
(
ICSB ICSB a 'er:..R...Satte rfi o: d........~'
- cc TDunning RSatf,..b. ieId k4..,Ctlec B...g un oss= >.0...-Lvnch..
. ?l... S... l.80...1l..
.120..
. ll....$../80..
. 71..[D.J.8G..
- c - m <,.,.e q p an
h,h i
6-i g
0E DISTRIBUTION:
Docket File f 3
ICSB Readina File
~
NRR Reading File PSCheck I!EfiORA!!DUM FOR: Robert Tedesco, Assistant Director for Licensing Division of Licensing FR0ft:
Paul S. Check. Assistant Director for Plant Systems Division of Systems Integration
SUBJECT:
ADDITIO lAL ICSB QUESTI0liS - UASHIflGT0tt flUCLEAR 2 Plant flare: WFPS-2 Docket liurber: 50-397 Licensing Stage: OL Responsible Branch: Licensing Branch flo. 1 Project l'anager:
D. Lynch ICSD Reviewer: !!. Goosey (Savannah River Plant)
Enclosed are additional questions that were generated by the Savannah River Plant ICSD reviewer following his assessrent of Section 7.0 of the :iPPS-2 Final Safety Analysis Report. He anticipate that additional questions will be forthcoming as the review continues. He sugcest that these questions be fonvarded to the applicant as soon as cossible. The apolicant should be informed that there is a need to respond as promptly as possible to ensure that the reviewer corpletes his review on schedule.
'le request that copies of those transmittals be provided to ICSB (D. Sallivan) and SRL (A. Hadden).
The nurters that ascear with the enclosed questions were cenerated by Savannah River. Please revise the nurters to be consistent with the previous questions.
If you have any questions, please contact D. Sullivan, ICSB, on.X2N:5.
,... uy Fa.a d. CMCA s
Paul S. Check, Assistant Director for Plant Systers pg p30 civision of Systems Integration
Enclosure:
,s stated n.
0
'"'t"?:..R...Satte rfi e td....
..,kCec5
..B....Yo,un cbl,oo.l,, D,,,:,,,:cc T0unning RSat ed j
- i. Dunnina
..o... t,ncn.:
R.. 3.. 80..
7/..
. 180.
. 71..1.100..
.7L.Jc.)aa..
.~
=ccommo.ub/d,1,gan
'CP-2QUESTICd5 C030.
Ite discussion of the renote cutdown capability procedure is 7.4.1.4 incereplete. tescrite tow the operator determinen the proper WNP-2 positions of the control switches en the renote transfer par.el 16 before making the transfer frca " normal" to "etergency." Analyze the effect on plant safety of operating any of the transfer switches with its associated control switch in the " wrong" position.
CO30.
The "Sypassed and Inoperable Status Indication" panel dould be 7.5 classified as a safety related display instrtment ar.d should be WP-2 described and discussed in Section 7.5.
An analynin of 17 conformance to the criteria (CCC, Regulatcry Guides, IEEE Standards) applicable to this ponel Mould also be ;covided. In particular, we are interested in how the panel ar.d itu asnociated "
connections to the various systems meet the separationn criteria.
0:cte, the obeve information should be provided in cddition to the Regulatory Guide 1.47 compliance information provided in Section 7.1.)
Also, this panel and its interecr.nections are not shown in the electrical, instrtment, and control drawings referen'ad in FSAR Section 1.7.
Icend the FSAR to provide the information discussed above.
C030.
The purpose of the refueling interlocks is to prevent a reactivity 7.6 accident during refueling operattor.s ar.d, hence, the interlocka 7.7 are required for safety. Provide a discussion of thin nyutem and WP-2 analyses of its confermar.ce to the applicable General Cevign 18 Criteria, Regulatory Cuides, and IEEE Standards in Sec*.icr. 7.6 cf
,s,
the Safety /e,alysis Repcrt.
CO30.
Justify your statement in Section 7.6.1.2 implying that each of 7.6.1.2 the shutdown coolir4 suction valves, the head spray valve, ar.d the WNP-2 discharge valve has "redtr. dant and diverse interlocks to prevent 19 the valves fran beirs opened when the prin:ary systen pressure in above the subsystem design pressure." Identify the redur. dant pressure switches fer each valve and reference the appropriate d
- awing nunters. Also, identify the diverse interlocks for each valve.
~
C030.
The analysis in Section 7.7.2 is incomplete. Provide a 7.7.2 discussion of conformance to applicable General resign criteria, WNP-2 Regulatory Caides, and IEEE Standardd for the nyatema described 20 in Section 7.7.
I e
os