ML20151V989

Application for Amend to License NPF-29 Re CRD Scram Accumulators

ML20151V989
Person / Time
Site:	Grand Gulf
Issue date:	08/12/1988
From:	Kingsley O SYSTEM ENERGY RESOURCES, INC.
To:
Shared Package
ML20151V986	List: AECM-88-0162, Forwards Application for Amend to License NPF-29 Re Proposed Alternate Surveillance Tests for Tech Spec 3/4 1.3.3 When CRD Scram Accumulator Pressure or Leakage Detector or Alarm Inoperable ML20151V989 ML20151V992
References
NUDOCS 8808230122
Download: ML20151V989 (2)

Text

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BEFORE THE UNITED STATES NUCLEAR REGULATORY COMMISSION LICENSE N0. NPF-29 DOCKET N0. 50-416 IN THE MATTER OF MISSISSIPPI POWER & LIGHT COMPANY and SYSTEM ENERGY RESOURCES, INC.

-and SOUTH MISSISSIPPI ELECTRIC POWER ASSOCIATION AFFIRMATION I, 0. D. Kingsley, Jr. , being duly sworn, state that I am Vice President, Nuclear Operations of System Energy Resources, Inc.; that on behalf of System Energy Resources, Inc., and South Mississippi Electric Power Association I am authorized by System Energy Resources, Inc. to sign and file with the Nuclear Regulatory Comission, this application for amendment of the Operating License of the Grand Gulf. Nuclear Station; that I signed this application as Vice President, Nuclear Operations of System Energy Resources, Inc.; and that the statements made and the matters set for therein are true and correct to the best of my knowledge, information and ief.

A ./

9. MKing41e , .

STATE OF MISSISSIPPI COUNTY OF HINDS /

SUBSCRIBED AND SWORN T0 befo me, 6 No y Public, in and for the l County and State above named, this 2p__ ay of / _, 1988. j (SEAL) l 2husa - .

Notary Public My comission expires:  ;

j gj' commission Diges sept,2L 101 8908230122 G80812 '

PDR ADOCK 05000416 P PDC

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' Attachment 2 to AECM-88/0162 Staff Comments and Responses A. The staff commented that the proposed Action "d" should be revised to include alarm inoperability.

RESPONSE: The intent of Action "d" was to address the inoperability of the alarm channel as well as the leak detector. The wording of Action "d" was selected for consistency with surveil hnce 4.1.3.3.b.1.a which did not explicitly refer to the alarm. However, SESI' agrees that the staff comment provides improved clarity to the action statement. Therefore, the phrase "or alarm" will be added to the proposed Action.

B. A second staff comment addressed the application of Specification 3.0.4 to the proposed additional Actions. The comment stated that the scram accumulator pre sure detectors, leakage detectors and the associated alarm in the control room should be operable before changing modes.

Therefore, Specification 3.0.4 should be made applicable to the proposed Actions "c" and "d."

RESPONSE: The current Actions "a" and "b" for inoperable accur.rulators allow mode changes provided the Actions are met (i.e., the provisions of Specification 3.0.4 are not applicable). These Actions either allcw a short period of time to repair a single inoperable accumulator, or require the associated control rods to be declared inoperable (additional restrictions must also be met). Specification 3.1.3.1 limits the number of inoperable control rods to 8. Thus, the number of inoperable accumulators is limited to 8.

In response to the staff's comment, Action "c" will remain numbered as in the current specification, and will state that the provisions of Specification 3.0.4 are not applicable to Actions "a" and "b." This precludes mode changes concurrent with loss of continuous alarm capabilities for all rods (or more than eight rods). However, in order to '

continue to allow a limited number of scram accumulator pressure detector, l leak detector and/or alarms, to be inoperable without precluding mode i changes, as currently allowed, an option to declare the associated accumulator inoparable will be added to the proposed Actions. These changes will allow individual scram accumulator pressure and/or leak detectors and associated alarm channel failures to be conservatively l treated as inoperable accumulators. This would allow the operational  ;

flexibility to change modes consistent with the currently approved i Technical Specifications. l l

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