ML19332G002

Proposed Tech Specs,Changing Turbine Control Valve Test Frequency from Weekly to Monthly in Order to Minimize Plant Power Changes

ML19332G002
Person / Time
Site:	Perry
Issue date:	12/14/1989
From:	CLEVELAND ELECTRIC ILLUMINATING CO.
To:
Shared Package
ML19332F997	List: ML19332F996 ML19332G002
References
NUDOCS 8912200025
Download: ML19332G002 (3)

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INSTRUMENTATION

. 3/4.3.8 TURBINE OVERSPEED PROTECTION SYSTEM LIMITING CONDITION FOR OPERATION 3.3.8 At least one turbine overspeed protection system shall be OPERABLE.

APPLICABILITY: .0PERATIONAL CONDITIONS 1 and 2.

ACTION:

a. With one turbine control valve or one turbine stop valve per,high pressure turbine steam-line inoperable, and/or.with one turbine intercept or intermediate stop valve per low pressure turbine steam-line inoperable, restore the inoperable valve (s) to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or close at least one valve in the affected steam ,

line or isolate the turbine from the steam supply within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />,

b. With the above required turbine overspeed protection system otherwise inoperable, within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> isolate the turbine from the steam supply.

c. The provisions of Specification 3.0.4 are not applicable.

.g SURVEILLANCE REQUIREMENTS 4.3.8.1 The provisions of Specification 4.0.4 are not applicable.

4.3.8,2 The above required turbine overspeed protection system shall be demonstrated OPERABLE:

a.- ast once per 7 days by: T -

1. Cyc each of the following valves through east one complet cle from the running position: -

a) For the o speed protection e ol system; 1)- Six low p ute tur e intercept valves, and

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2) Four hign pres For the electr 1 oversp turbin, controi valves.

trip system and the mechanical overspeed t system;

1) F high pressure turbine s valves, and Six low pressure turbine intermed stop valves, and

. h,: Four high pressure turbine control valv 3)

PERRY - UNIT 1 3/4 3-96 8912200025 391214 PDR ADOCK 05000440 P PDC

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-Insert."A" for Proposed Change to PNPP Tech Specs:

a. At least once per 7 days by cycling each of the following valves through at least one complete cycle from the running position:

1. - Six low pressure turbine intercept. valves, and

2. Four high pressure turbine stop valves, and 3 .- Six low pressure turbine intermediate stop valves.

b. At least once per 31 days by cycling the four high pressure turbine-control valves through at least one complete cycle from the running position.:-

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I INSTRUMENTATION i Ar. ,&

SURVEILLANCE REQUIREMENTS (Continued)- ,

I C,A At.least once per 18 months by performance of a CHANNEL CALIBRATION ]

of the turbine overspeed protection instrumentation.  ;

i d,W At least once per 40 months

• by disassabling at least one of each l l of the above valves and performing a visual and surface inspection i of all valve seats, disks and stes and verifying no enacceptable i flaws or excessive corrosion. .If unacceptable f'aws or excessive l corrosion are found, all other valves of that type shall be inspected.

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• The initial surveillance test interval is extended on a one-time basis to the first refueling outage. 1

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i-PERRY - UNIT 1 3/4 3-97 Amendment No.18

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