ML20148G153
| ML20148G153 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 05/29/1997 |
| From: | HOUSTON LIGHTING & POWER CO. |
| To: | |
| Shared Package | |
| ML20148G151 | List: |
| References | |
| NUDOCS 9706050204 | |
| Download: ML20148G153 (1) | |
Text
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PLANT SYSTEMS SURVEILLANCE REQUIREMENTSIContinued) 3)
Verifying that the system maintains the control room envelope 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 2000 cfm relative to adjacent areas during system operation; and 4)
Verifying that the makeup filter unit heaters dissipate 4.510.45 kW when tested in-accordance with ANSI N510-1980;end, 5)
Verifying-that-en-a-High-Toxie-Gas-test-signal,-tle-system-automatically switches-intom recirculation-modeefeperationby4solatingeenormal supply and-exhausHlow-within-5-seconds:
f.
After each complete or partial replacement of a HEPA filter bank, by verifying that the IIEPA filter bank satisfies the in-place penetration and bypass leakage testing acceptance criteria ofless than 0.05% in accordance with ANSI N510-1980 for a DOP test aerosol while operating the system at a flow rate of 6000 cfm i 10% for the cleanup units and 1000 cfm 10% for the makeup units; and g.
After each complete or partial replacement of a charcoal adsorber bank, by verifying that the charcoal adsorber bank satisfies the in-place penetration and bypass leakage testing acceptance criteria ofless than 0.10% in accordance with ANSI N510-1980 for a halogenated hydrocarbon refrigerant test gas while operating the system at a flow rate of 6000 cfm 10% for the cleanup units and 1000 cfm i 10% for the makeup units.
SOUTII TEXAS - UNITS 1 & 2 3/4 7-18 Unit 1 - Armndment No. 7 t
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