JPN-94-022, Proposed Tech Spec Bases Re Design Bases of Emergency Svc Water Sys

Proposed Tech Spec Bases Re Design Bases of Emergency Svc Water Sys

ML20070N920
Person / Time
Site:	FitzPatrick
Issue date:	04/29/1994
From:	POWER AUTHORITY OF THE STATE OF NEW YORK (NEW YORK
To:
Shared Package
ML20070N916	List: JPN-94-022, Proposed Tech Spec Bases Re Design Bases of Emergency Svc Water Sys ML20070N914
References
JPN-94-022, JPN-94-22, NUDOCS 9405100214
Download: ML20070N920 (4)

Text

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' ATTACHMENT I to JPN-94-022 PROPOSED TECHNICAL SPECIFICATIONS BASES CHANGE REGARDING THE DESIGN BASES OF THE EMERGENCY SERVICE WATER SYSTEM l'

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1 New York Power Authority.

JAMES A. FITZPATRICK NUCLEAR POWER PLANT

, Docket No. 50-333 DPR-59 l

.9405100214 940429 PDR ADOCK 05000333 P PDR

N JAFNPP -

3.11 & 4.11 BASES A Main Control Room Ventilation System One main control room emergency ventilation air supply fan The purpose of the emergency ventilation air supply system capacity provides adequate ventilation flow under accident conditions. test is to assure that sufficient air is supplied to the main. control Should one emergency ventilation air supply fan and/or fresh air room so that a slight positive pressure can be maintained, thereby filter train be out of service during reactor operation, a repair time minimizing in-leakage.

of 14 days is allowed because during that time, a redundant 100%

capacity train is required to be operable. B. Crescent Area Ventilation The 3 month test interval for the main control room emergency Engineering analyses indicate that the temperature rise in safeguards ventilation air supply fan and dampers is sufficient since two compartments without adequate ventilation flow or cooling is such  ;

redundant trains are provided and neither is normally in operation. that continued operation of the safeguards equipment or associated auxiliary equipment cannot be assured.

A pressure drop test across each filter and across the filter system is a measure of filter system condition. DOP injection measure-s C. Batterv Room Ventilation 4

particulate removal efficiency of the high efficiency particulate filters. A Freon-112 test of the leakage test. Since the filters have Engineering analyses indicate that the temperature rise and  ;

charcoal of known efficiency and holding capacity for elemental hydrogen buildup in the battery, and battery charger compartments iodine and/or methyl iodine, the test also gives an indication of the without adequate ventilation is such that continuous operation of relative efficiency of the installed system. equipment in these compartments cannot be assured.

9 Laboratory analysis of a sample of the charcoal filters positively D. Emergencv Service Water System demonstrates halogen removal efficiency. These tests are conducted in accordance with manufacturers' recommendations. The ESWS has two 100 percent cooling capacity pumps, each powered from a separate standby power supply. The ESWS utilizes lake water to the cooling system of the emergency diesel generators.

The system will also supply water to those components of the l

RBCLCS which are required for emergency conditions during a loss

of power condition. These include area unit coolers.

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l Amendment No. 144,199 243

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' Attachment il to JPN-94-022

" CURRENT TECHNICAL SPECIFICATION BASES TO BE CHANGED REGARDING THE .

DESIGN BASES OF THE EMERGENCY SERVICE WATER SYSTEM l

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New York Power Authority ,

i JAMES A. FITZPATRICK NUCLEAR POWER PLANT l Docket No. 50-333 DPR-59 9

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M m y JA p .

3.11 & 4.11 p_AS_ES .-.

A. tinin Control Room Ventilation System

~

r One main control room emergency ventilation air t supply fan provides adequate ventilatlom flow The purpose of the emergency ventilation air -I under accident conditions. Should.one emergency supply system capacity test is to assure that

' ventilation air supply fan and/or fresh air.

sufficient air is supplied to the mala control filter trala be out of service during reactor room so that a slight positive pressure can be '

operstloa, a repair time of 14 days is allowed maintalped, thereby minimizing in-leakage. '

because during that time,.a redundant 100% ,

i capacity trala la required to be operable. B. Crescent Area Ventilatlom 4

The 3 month test laterval for the mala control Engineering analyses ladlcate that the temper-room emergency ventilation air supply faa and ature rise la safeguards compartments without dampers la sufficient since two redundant adequate ventilation flow or cooling is such -

trains are provided and neither is normally in that contlaued operation of the safeguards operation. equipment or associated auxillary' equipment cannot be assured.

A pressure drop test across each filter and across the filter system la a measure of filter C. Batterv Room Ventilation system condition. DOP lajectica measures particulate removal efficiency of the high Engineering analyses Indicate that the temper-officiency particulate filters. A Freon-112 ature rise and hydrogen buildup la the battery, test of charcoal filters is essentially a and battery charger compartments without leakage test. Since the Illters have charcoal adequate ventilatloa la such that contlamous i

of known efficiency and holding capacity for operation of equipment la these compartments elemental lodine and/or. methyl lodine, the test cannot be assured.

also gives sa ladication of the relative efficiency of the lasta11ed system. Laboratory D. Smeroency Service Water Evates analysis:of a sample of the charcoal filters positively demonstrates halogen removal The ESWS has two 100 percent coollag capacity efficiency. These tests are conducted la pumps, each powered from a separate standby accordance with manufacturers' recommendations, power supply. The.SSNS utilises lake water to the cooling system of the emergency diesel generators..

The system will also supply water to those components of_the RBCE.CS which are required for emergency conditions during a loss.

, of power condition. These include N frea unit' coolers Q Amendment No. h(, 129 ' <

.243 '

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