ML20236D438
| ML20236D438 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 03/14/1989 |
| From: | NORTHEAST NUCLEAR ENERGY CO. |
| To: | |
| Shared Package | |
| ML20236D428 | List: |
| References | |
| NUDOCS 8903230105 | |
| Download: ML20236D438 (2) | |
Text
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INSTRUMENTATION 3/4.3.4 TURBINE OVERSPEED PROTECTION LIMITING CONDITION FOR OPERATION J
3.3.4 At least one Turbine Overspeed Protection System shall be OPERABLE.
APPLICABILITY: MODES 1, 2,* and-3.*
ACTION:
a.
With one stop valve or one governor valve per high pressure turbine steam line inoperable and/or with one reheat stop valve orJ one
)
reheat intercept 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(s) 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.
SURVEILLANCE RE0VIREMENTS 4.3.4.1 The provisions of Specification 4.0.4 are not applicable.
4.3.4.2 The above required Turbine Overspeed Protection System shall be maintained, calibrated, tested,'and inspected in accordance with the Millstone l
Unit No. 3 Turbine Overspeed Protection Maintenance and Testing Program.
Adherence to this program shall demonstrate OPERABILITY of this system.
The program and any revisions should be reviewed and approved in accordance with Specification 6.5.1.6.J.
Revisions shall. be made in accordance with the provisions of 10CFR50.59.
t
- Not applicable in MODE 2 or 3 with all main steam line isolation valves and associated bypass valves in the closed position and all other steam flow paths to the. turbine isolated.
8903230105 890314i PDR ADOCK 05000423 P
pyy MILLSTONE - UNIT 3 3/4 3-81
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. ADMINISTRATIVE CONTROLS i
ALTERNATES 6.5.1.3 All alternate members shall be appointed in writing by the PORC Chairman to serve on a temporary basis; however, no more than two alternates l
shall participate as voting members in PORC activities at any one time.
MEETING FRE0VENCY 6.5.1.4 The PORC shall meet at least once per calendar month and as convened by the PORC Chairman.
OV0 RUM 6.5.1.5 The quorum of the PORC shall consist of the Chairman or Vice Chairman or Station Superintendent and four members including alternates.
RESPONSIBILITIES l
6.5.1.6 The PORC shall be responsible for:
a.
Review of:
(1) all procedures, except common site procedures, required by Specification 6.8 and changes thereto, and (2) any other proposed procedures or changes thereto as determined by the Unit Superintendent to affect nuclear safety; b.
Review of all proposed tests and experiments that affect nuclear safety; c.
Review of all proposed changes to Sections 1.0-5.0 of these Technical Specifications; d.
Review of all proposed changes or modifications to plant systems or i
equipment that affect nuclear safety; e.
Investigation of all violations of the Technical Specifications, including the preparation and forwarding of reports covering evalua-tion and recommendations to prevent recurrence, to the Vice President-Nuclear Operations and to the Chairman of the Nuclear Review Board; f.
Review of all REPORTABLE EVENTS; g.
Review of facility operations to detect potential safety hazards; I
h.
Performance of special reviews, investigations, or analyses and reports thereon as requested by the Chairman of the Nuclear Review Board or the Station Superintendent; and i.
Render determinations in writing with regard to whether or not each item considered under Specification 6.5.1.6a. through d. above con-stitutes an unreviewed safety question.
1 j.
Review of Unit Turbine Overspeed Protection Maintenance and Testing Program and revisions thereto.
MILLSTONE - UNIT 3 6-8
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