ML17278A595

Proposed Tech Specs,Revising Section 3.4.6.1 to Shift Pressure/Temp Limit Curves 30 Degrees Higher at 20% of Preservice Hydrostatic Test Pressure to Assure Addl Margin of Safety

ML17278A595
Person / Time
Site:	Columbia
Issue date:	01/31/1986
From:	WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To:
Shared Package
ML17278A594	List: GO2-86-118, Application for Amend to License NPF-21,revising Tech Spec Section 3.4.6.1 to Shift Pressure/Temp Limit Curves 30 Degrees Higher at 20% of Preservice Hydrostatic Test Pressure.Fee Paid ML17278A595
References
TAC-60765, NUDOCS 8602100303
Download: ML17278A595 (4)

Text

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1 ATTACHMENT B 1400 A~

Bo C

1200 CORE BELTLINE LIMITS A',B',O'ABC LIMITSAFTER AN ASSUMED 52'F CORE BELTLINETEMP SHIFT FROM AN INITIALRTNDT OF 28 F K

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0 2-soo I

.4 400 110oF

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312 PSIG 10CFR50 APPENDIX G (JULY 1983) BASED ON FLANGE RTNPT OF 20 F 180oF 312 PSIG 140oF 312 PSIG BOLTUP LIMIT 80oF 8602100303 8~0>~~

PDR ADQCK 05000~97 P

PDR 0

0 200 300 MINIMUMREACTOR VESSEL METALTEMPERATURE PFI FIGURE 3.4.6.1-2

'INIMUM REACTOR VESSEL METALTEMPERATURE VERSUS REACTOR VESSEL PRESSURE (OPERATIONALVALUES)

",WASHINGTON NUCLEAR - UNIT 2

..... 3/4 4-21

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ATTACHMENT A A

B C

CORE BELTLINE LIMITS CI a

ccl o

coo C0lO lcl

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coo ccl th ccc ccc C

110oF 312 PSIG A

INITIALSYSTEM HYDROTEST LIMIT B -

INITIALNON-NUCLEAR HEATING LIMIT C

INITIALNUCLEAR CORE CRITICALLIMITBASED ON G.E. BWR LICENSING TOPICAL REPORT NEDO-21778-A FEEDWATER NOZZLE LIMITS 10CFRSO APPENDIX G (JULY 1983) BASED ON FLANGE RTNPT OF 20 F

'80of 140oF 312 PSIG 312 PSIG MINIMUMREACTOR VESSEL METALTEMPERATURE (4. )

FIGURE 3.4.6.1-1 MINIMUMREACTOR VESSEL METALTEMPERATURE VERSUS.

REACTOR VESSEL PRESSURE (INITIALVALUES)

WASHINGTON NUCLEAR - UNIT 2 3/4 4-20

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