ML17279A693

Discusses OL Granted to Util,Including License Condition 2.C.(6),that Required Util to Perform Operational Testing of UHS Spray Ponds to Verify Analyzed Parameters of Drift Loss, Seepage & Operational Capacity

ML17279A693
Person / Time
Site:	Columbia
Issue date:	12/11/1985
From:	Adensam E Office of Nuclear Reactor Regulation
To:	Sorensen G WASHINGTON PUBLIC POWER SUPPLY SYSTEM
References
TAC-57281, NUDOCS 8712100434
Download: ML17279A693 (6)

Text

,

TITLE 5.0 ualit ssurance Pro ram 6.0 Flow Dia rams SHEET 5-1 6-1 DATE/REV.

TITLE floor Drain Radioactive Containment Coolin LPur e Containment Atmos. Control Containment Instru. Air SHEET M 539 M 543 M 554 M 556 DATE/REV.

32A 21 13A Control Service Air M 510*

Diesel Oil 5 Misc.

S stems M 512 34 13A Main Steam Leaka e Cont.

Steam and Li uid Sam.

M 557 7A M 607 sh.

2 5

Reactor Core Iso.

Coo lin Low Pressure Core S ra M 519 M 520 21 18 Hi gh Pressure Core S ra M 520 Residual Heat Removal M 521 18 25 Standby Liq.

Control M 522 O'K HA MOo Ol

~O LAlA NbL WCI'a OC Glwg ma.a.

(

Reactor Hater Cleanu M 523 Stan y Service Hater M 524 Reactor Closed Coo lin M 525 Fuel Pool Coo lin Control Rod Drive Main Steam Reactor Feedwater M 526 M 528 M 529 M 529 Equip. Drain Radioactive M 537 Reactor Recirc Coo lin M 530 320 22D 21D 28C 20 25A 25A 23A 27 Burns 8

Roe Flow Oia ram Number vii

0

~ r G

~.I

December 11, 1985 Docket No,:

50-397 Mr. G.

C. Sorepsen, Manager Regulatory Programs Washington Public Power Supply System P.O.

Box 968 3000 George Washington Way Richland, Washington 99352 DISTRIBUTION Local PDR NSIC EHylton OELD, Attorney JPartlow EJordan Service List PRC System BWR PD ¹3 RF JBradfute ACRS(16)

BGrimes

Subject:

License Condition 2.C.

(6) Ultimate Heat Sink

References:

( I)

Facility Operating License NPF WPPSS Nuclear Project No. 2, dated December 20, 1983 (2)

Letter G0-85-649, Sorensen (SS) to Butler (NRC),

dated September 27, 1985 The Operating License granted to the Supply System, Reference (1), included a condition for operation, 2.C.(6), that required the Supply System to

"...perform operational testing of the ultimate heat sink spray ponds to verify analyzed parameters of drift loss, seepage and operational capacity Those tests were conducted during the summer of 1985, and formally reported to the NRC in an attachment to a letter, Reference (2).

The staff has reviewed this report on spray pond drift loss, etc. transmitted with the referenced letter.

The staff agrees with the procedures used for measuring water losses and concludes that the range of windspeeds encountered is adequate for verification of the relationship used in the analysis.

The measurements showed that a safety margin of about 20K exists between the data and the safety analysis values and increases with increasing windspeed.

We conclude that the original analysis performed by WPPSS in 1979 was conservative in regard to calculation of drift losses.

Based on this review, the staff approves the Supply System's results and conclusions.

This approval completes the action which fully satisfies the license condition 2.C.(6), Ultimate Heat Sink.

Sincerely, Elinor Adensam, Director BWR Project Directorate ¹3 Division of BWR Licensing cc:

See next page R:

LA:B 4 PD¹3 JBradfute:mn E

I2j'/85 pj'. /85 p

RBa r

(j/4g /85 BLia p-/og/85 D:BWR:PD¹3 EAdensam

~> //o/85

I J

v IW

<<y

'I >g z~

A'

'r.

G.

C. Sorensen, Manager WPPSS Nuclear Project No.

2 Washihgton Public Power Supply System (WNP-2)

CC:

Nicholas S.

Reynolds, Esq.

Bishop, Liberman,

Cook, Purcell 8 Reynolds 1200 Seventeenth

Street, N.W.

Washington, D.C.

20036 Mr. G.

E.

Doupe, Esquire Washington Public Power Supply System P. 0.

Box 968 3000 George Washington Way

Richland, Washington 99532 Mr. Curtis Eschels, Chairman Energy Facility Site Evaluation Council Mail Stop PY-ll Olympia, Washington 98504 P. L. Powell, Licensing Manager Washington Public Power Supply System P. 0.

Box 968, MD 956B Richland, Washington 99352 Mr.

W. G.

Conn Burns and Roe, Incorporated c/o Washington Public Power Supply System P. 0.

Box 968, MD 994E Richland, Washington 99352 R.

B. Glasscock, Director Licensing and Assurance Washington Public Power Supply System P. 0.

Box 968, MD 280

Richland, Washington 99352 Mr. C.

M. Powers WNP-2 Plant Manager Washington Public Power Supply System P. 0.

Box MD 927M Richland, Washington 99352 Regional Administrator, Region V

U.S. Nuclear Regulatory Commission 1450 Maria Lane, Suite 210 Walnut Creek, California 94596

0

/

1l II

) f, t,