ML20058Q217

Proposed Tech Spec 3/4.9.11.2 Re Addition of Alternate DHR Sys

ML20058Q217
Person / Time
Site:	Grand Gulf
Issue date:	08/09/1990
From:	ENTERGY OPERATIONS, INC.
To:
Shared Package
ML20058Q215	List: AECM-90-0142, Forwards Supplemental Info Re 900705 Application for Amend to License NPF-29,revising Tech Specs Due to Addition of Alternate DHR Sys ML20058Q217
References
NUDOCS 9008210172
Download: ML20058Q217 (3)

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- Attachment 4 to AECM-90/0142 i i

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PROPOSED TECHNICAL i

SPECIFICATION 3/4.9.11.2 r

i 9008210172 900809 PDR ADOCK 05000416 p PDC A9007302/SNLICFLR - 15

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! LOW WATER LEVEL i

i l.!MITING CON 0! TION FOR OPERATION i i l CI"MasAT T)

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j APPLICA8!LITY: OPERATIONAL CONDITION 5, when irradiated fuel Os in the reactor 1 vessel and the water level is less than 22 feet 8 inchp above the top of the reactor pressure vessel flange.

i ACTION:

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a. With less than the above required shutdown cooling mode trains of the RHR

system OPERABLE, within one hour and at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> thereafter,

demonstrate the OPERA 8ILITY of at least one alternate method"*"tapable of decay heat removal for each inoperable RHR shutdowa cooling mode train.4 7

! b. With no RHR shutdown cooling mode train in oper;.Non, within one hour establish reactor coolr.it citculation by an alternate method and monitor l reactor coolant temprature at least once per hour.

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l SURVEILLANCE REQUIREMENTS 4.9.11.2 At least one shutdown cooling mode train of the residual heat removal systemer alternate method shall be verified to be in operation and circulating reactor coolant at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />. .!

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AOHk5inthe retrIoboolh} mM or. AbHRs "The shutdown cooling pu%say be removed from operation for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> l per 8-hour period. ,

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GRAND GULF-UNIT 1 3/4 S-19 Amendment No/.UL 59; .  !

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INSERT 1 TO TS 3/4.9.11.2 Page 3/4 9-19 Two of three of the following shall be OPERABLE # and at least one shall be in i operation *:

a. residual heat removal (RHR) system shutdown cooling mode train "A", or

b. RHR system shutdown cooling mode train "B". or

c.  :! ternate decay heat removal system (ADHRS) in the reactor cooling mode.

INSERT 2 TO TS 3/4.9.11.2 Page 3/4 9-19  ;

i Otherwise, either raise water level to greater than or equal to 22 feet.8 I inches above the top of the reactor pressure vessel flange within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> of e discovery of the inoperable system or alternate or suspend all operations l involving an increase in the reactor decay heat load and initiate action within one hour to establish SECONDARY CONTAINMENT INTEGRITY.

INSERT 3 TO TS 3/4.9.11.2 Page 3/4 9-19 {

1. One of the two required shall have an OPERABLE associated diesel generator, i i

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A9007231/SNLICFLR -'36