ML20236C465
| ML20236C465 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 03/15/1989 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20236C459 | List: |
| References | |
| NUDOCS 8903220167 | |
| Download: ML20236C465 (1) | |
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e INSTRUMENTATION 1
CHLORINE DETECTION SYSTEMS LIMITING CONDITION FOR OPERATION 3.3.3.6 Two independent chlorine detection systems, with their alarm / trip l
setpoints adjusted to actuate at a chlorine concentration of a 5 ppe, shall be OPERABLE with the chlorine detectors located at the control room l
l air intake duct.
APPLICABILITY:
M DES 1, 2, 3 and 4. ~
ACTION:
~,
l a.
With one chlorine detection system inoperable, restore the inoperable detection system to OPERABLE status within 7 days or within the next 6.cours initiate and maintain operation of the control room amer;ency ventilation system in the rectreula-(
i tten mode of operation.
B.
With both chlorine detection systems inoperable, within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> inittate and maintain operatton of the conkaol room emergency ventilation system in the rectreulation mode of operation.
The provisions of Sp, edification 3.0.4 are not applicable.
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c.
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$ SURVEILLANCE REQUIREMENTS 4.3.3.6 Each chlorine detection system shall be verified energized at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and demonstrated OPERABLE by performance of a CHANNEL CALIBRATION at least once per 18 months.
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TROJAN-UNIT 1 3/4 3-47 Amendment No. 93 8903220167 890315 ADOCK0500{g4 PDR P