ML20236M521

Documents That Util Verbally Granted one-time Relief to Tech Specs 3.6.3.a & 3.4.7 on 871022.Relief Allows Unit to Open Inboard MSIV C for 3 H W/Reactor Power Level at or Below 75% to Complete Surveillance Testing of Remaining MSIVs

ML20236M521
Person / Time
Site:	Hatch
Issue date:	10/29/1987
From:	Grace J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
To:	Lieberman J, Murley T, Taylor J NRC OFFICE OF ENFORCEMENT (OE), Office of Nuclear Reactor Regulation, NRC OFFICE OF THE EXECUTIVE DIRECTOR FOR OPERATIONS (EDO)
Shared Package
ML20236M524	List: ML20236M521 ML20236M670 ML20236M715
References
TAC-67844, NUDOCS 8711130160
Download: ML20236M521 (2)

Text

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00T 2 91987 l' l ,

MEMORANDUM FOR:

Thomas E. (NRR Regulation Murley,) Director, Office of Nuclear Reactor  ;

James M. Taylor, Deputy Executive Director for Regional i Operations .

James Lieberman, Director, Office of Enforcement FROM: J. Nelson Grace, Regional Administrator

SUBJECT:

ENFORCEMENT DISCRETION FOR PLANT HATCH UNIT 2, DOCKET l N0. 50-366 This is to document that on October 22, 1987, Georgia Power Company (GPC) was verbally granted a one time relief to the Technical Specifications (TS) 3.6.3.a. and 3.4.7, each of which provides a limiting condition for operation for failure of main steam isolation valves, to meet closure time requirements '

and the technical specification 3.4.7 Action Statement re deactivate an operable main steam isolation valve (MSIV)quirement

. The relief allows to close an the unit to open the "C" inboard MSIV for a period of 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> with Reactor .

Power _ level at or below 75% in order to complete surveillance testing of the remaining MISVs.  :

The relief 'was granted for the purpose of reducing the risk of a spurious isclation or scram while allowing GPC necessary time to complete required .

surveillance of the remaining MSIVs. On October 17, 1987, GPC isolated the l "C" inboard MSIV following a measured full closure time of 2.3 seconds, which is faster than the unit Technical Specification (TS) limits specified in TS Table 3.6.3-1 and TS 3.4.7 of 3 to 5 seconds inclusive.

The GPC letter dated October 23, 1987 was reviewed to ensure that NRC and GPC i were in agreement regarding the extent of the Enforcement Discretion.  :

Prior to relief being granted; the technical issues and extent of enforcement i discretion were discussed with: L. Crocker, W. Hodges, D. Hood of NRR; M. Ernst, L. Reyes, A. Gibson, V. Brownlee, M. Shymlock, M. Sinkule, J. Menning of RII; J. Heidt, L. Sumner, and K. Tipps of GPC. W. Troskoski of ED0 was also informed.

For information regarding this matter please contact M. Sinkule, extension 5506, of my staff.

yY\. L. E rru h Q B711130160 871029 6 f DR ADDCK 050

Enclosures:

1. NRC to GPC Letter dated October 28, 1987

2. GPC to NRC Letter dated October 23, 1987 _

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