ML20247J086
| ML20247J086 | |
| Person / Time | |
|---|---|
| Site: | Seabrook  |
| Issue date: | 05/24/1989 |
| From: | PUBLIC SERVICE CO. OF NEW HAMPSHIRE |
| To: | |
| Shared Package | |
| ML20247J079 | List: |
| 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 4
j DR ADOCK 050 43 U
SEABROOK - UNIT 1 3/4 7-17Ba
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