ML20236L703

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Special Rept 87-008-00:on 870816,HPCI Injection Occurred as Result of Low Reactor Vessel Water Level Excursion.Cause Not Stated.Hpci Injection Nozzle Usage Factor Not Calculated Due to Early Life of Plant
ML20236L703
Person / Time
Site: Hope Creek PSEG icon.png
Issue date: 11/04/1987
From: Cowles R, Labruna S
Public Service Enterprise Group
To:
NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
87-008-00, 87-8, NUDOCS 8711110030
Download: ML20236L703 (2)


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Cowles, Lead Engineer - Technical

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This Special Report is being submitted pursuant to the l

requirements of Technical Specification 3.5.1 Action g.

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document the circumstances of a High Pressure Coolant Injection j

system injection to the reactor vessel on 8/16/87. The HPCI injection occurred as a ' result of low reactor vessel water level excursion (level 2,

-38")

experienced immediately following a reactor scram.

For a description of the

scram, refer to LER 87-037.

l HPCI injected to the vessel for approximately 3.5 minutes.

At the onset of the injection, vessel pressure was about 850

PSI, vessel temperature about 500 degrees Fahrenheit, and HPCI pump discharge flow 5550 GPM.

As of 8/16/87, Hope Creek had experienced 8 HPCI injections to the reactor vessel (120 cycles are allowed by the FSAR).

Because of the early life of the

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plant, the HPCI injection nozzle usage factor has not been calculated.

The station is in the initial stages of I

implementing a thermal cycle tracking program.

This program

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will allow the calculation of component thermal usage factors.

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l SORC Mtg.87-161

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8711110030 871104 PDR ADOCK 05000354 S

PDR LC Perm 304 19 43)

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Public Service Electric and Gas Company 1P.0, Box L-' Hancocks Bridge, Now Jersey 06038.

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Hope Creek Operations'

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U. ; S. Nticlear Regulatory.. Commission F Document Control Desk y

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Dear Sir:

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. HOPE' CREEK ~. GENERATING STATION?

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' DOCKET:NO. 50-354"

UNIT.NO.;1:

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SPECIAL-REPORT'87-008 00 1..

'This Special-Report.is being~ submitted,pursudnt ' i.o

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requirements of Technical-Specification 3.'5.?1 Action-g.

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' Sincerely, l

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5 S. LaBruna kM---

General Manhger -

ij Hope Creek Oper'atlons m

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Attachment.

SORC'Mtg.87-161' I

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