ML20247J086

Revised Tech Spec Page 3/4-17Ba Re Control Bldg HVAC Sys

ML20247J086
Person / Time
Site:	Seabrook
Issue date:	05/24/1989
From:	PUBLIC SERVICE CO. OF NEW HAMPSHIRE
To:
Shared Package
ML20247J079	List: ML20247J074 ML20247J086
References
NUDOCS 8906010034
Download: ML20247J086 (1)

Text

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... PLANT SYSTEMS SURVEILLANCE REQUIREMENTS (Continued)

b. The control room exhaust subsystem isolation damper (s) close, and.the exhaust fan trips off;

c. The control room emergency makeup air and filtration subsystem actuates with flows through the HEPA filters and charcoal adsorber banks;

3) Verifying that upon generation of Remote Intake High Radiation test signal, the following automatic system functions occur:

a. The normal makeup air fan (s) trip off and the normal makeup air isolation damper (s) close;

b. The control room exhaust subsystem isolation damper (s) close, and the exhaust fan trips off;

c. The control room emergency makeup air and filtration subsystem actuates with flows through the HEPA filters and charcoal adsorber banks;

4) Verifying that-the Control Room Emergency Makeup Air and Filtration Subsystem maintains the control room at a positive '

pressure of greater than or equal to 1/8 inch Water Gauge at less than or equal to a pressurization flow of 600 cfm relative -

toadjacentareasduringsystemoperation;and

5) Verifying that the heaters dissipate 3.6 i 0.36 kW when tested in accordance with ANSI N510-1980 g

f. After each complete.or partial replacement of a HEPA filter bank, by verifying that the filtration system satisfies the in place penetration and bypass leakage testing acceptance criteria of less than .05% in accordance with ANSI N510-1980 for a 00P test aerosol while operating the system at a flow rate of 1100 cfm 10%; and

g. After each complete or partial replacement of a charcoal adsorber bank, by verifying that the filtration system satisfies the in place penetration and bypass leakage testing acceptance criteria of less than .05% in accordance with ANSI N510-1980 for a halogenated hydrocarbon refrigerant test gas while operating the system at a flow rate of 1100 cfm i 10%.

l 8906010034 890524 43 4 j DR ADOCK 050 U SEABROOK - UNIT 1 3/4 7-17Ba

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