Text

Proposed Tech Specs Removing Operability Requirements for auto-test Feature of Load Shedding & Sequencing Sys & Increase AOT for Inoperable Load Shedding & Sequencing Sys from Eight to Twelve
	ML20056C714
Person / Time
Site:	Grand Gulf
Issue date:	07/15/1993
From:	; ENTERGY OPERATIONS, INC.
To:	;
Shared Package
ML20056C712	List: ML20056C711; ML20056C713; ML20056C714;
References
	GNRO-93-00092, GNRO-93-92, NUDOCS 9307220142
	Download: ML20056C714 (6)
	v • d • e

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' Attachment 3 to GNRO 93/00092 l

Page 1'of 3 ~

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MARKED-UP TECHNICAL SPECIFICATIONS PAGES

-s LOAD SHEDDING AND. SEQUENCING SYSTEM)

(GGNS PCOL 93/04 Revision 1).

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9307220142 930715 PDR ADOCK 05000416 P

PDR to GNRO-93/00092 ELECTRICAL POWER SYSTEMS Page 2 of 3 LIMITING CONDITIONS FOR OPERATION (Conti7ued)

ACTION:

a.

For A.C. power distribution:

1.

'With either Division 1 or Division 2 of the above' required A.C.

distribution system not energized, re-energize the division within 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months .

2.

With Division 3 of the above required A.C. distribution system not energized, declare the HPCS system inoperable and take the ACTION required by Specification 3.5.1.

3.

With one of the above required load shedding and sequencing panels inoperable, restore the inoperable panel to OPERABLE status withinJfhours or be in at least HOT SHUTDOWN within the ON next 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months .

b.

For D.C. power distribution:

1.

With either Division 1 or Division 2 of the above required D.C.

distribution system not energized, re-energize the division within 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months .

2.

With Division 3 of the above required D.C. distribution system not energized, declare the HPCS system inoperable and'take the ACTION required by Specification 3.5.1.

SURVEILLANCE REQUIREMENTS 4.8.3.1.1 Each of the above required power distribution system divisions shall be determined energized at least once per 7 days by verifying correct breaker alignment on the busses /LCs/MCCs/ panels and voltage on the busses /LCs.

4.8.3.1.2 Each of the above required load shedding and sequencing panels shall be demonstrated OPERABLEfp g

At leastNper 1[hDi'determiniht the auto-test a.

system is,oper g and is_no Q dic_ating _a faulted conditio,n.

I b

dtleastonceper31daysbyperformanceofamanualtestand 0

/ verifying response within the design criteria to the following test

/

inputs:

a)

LOCA.

b)

Bus undervoltage.

c)

Bus undervoltage followed by LOCA.

J d)

LOCA followed by bus undervoltage.

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GRAND GULF-UNIT 1 3/4 8-16

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' ELECTRICAL POBER SYSTEMS to GNRO-93/00092 Page 3 of 3 LIM QING CONDITION FOR OPERATION (Continued)

ACTION:

a.

For A.C. power distribution:

1.

With both Division 1 and Division 2 of the above required A.C.

distribution system not energized and/or with the load shedding and sequencing panel associated with the division (s) required to be energized inoperable, suspend CORE ALTERATIONS, handling of irradiated fuel in the primary or secondary containment and operations with a potential for draining the reactor vessel.

OPERATIONAL CONDITION changes per Specification 3.0.4 are not permitted.

2.

With Division 3 of the above required A.C. distribution system not energized, declare the HPCS system inoperable and take the ACTION required by Specification 3.5.2 and 3.5.3.

b.

For 0.C. power distribution:

1.

With both Division 1 and Division 2 of the above required D.C.

distribution system not energized, suspend CORE ALTERATIONS, handling of irradiated fuel in the primary or secondary contain-ment and operations with a potential for draining the reactor vessel.

OPERATIONAL CONDITION changes per Specification 3.0.4 are not permitted.

l 2.

With Division 3 of the above required D.C. distribution system not energized, declare the HPCS system inoperable and take the ACTION required by Specification 3.5.2 and 3.5.3.

c.

The provisions 'of Specification 3.0.3 are not applicable.

SURVEILLANCE REQUIREMENTS 4.8.3.2.1 At least the above required power distribution system divisions shall be determined energized at least once per 7 days by verifying correct breaker alignment on the busses /LCs/MCCs/ panels and voltage on the busses /LCs.

4.8.3.2.2 The above required load shedding and sequencing panel (s) shall be demonstrated OPERABLEf4 celede

=

a.

At least once per 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months by determining that the auto-test

,i syste.m is operating and is not indicating a faulted condition.

t b.

d t least once per 31 days by performance of a manual test and d

verifying response within the design criteria to the following test inputs:

a)

LOCA.

b)

Bus undervoltage.

c)

Bus undervoltage followed by LOCA.

d)

LOCA followed by bus undervoltage.

GRAND GULF-UNIT 1 3/4 8-18 Amendment No. 69 l

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' Attachment 4 to GNRO 93/0009'2--

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.Page 1 of 3

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t PROPOSED TECHNICAL SPECIFICATIONS PAGES LOAD SHEDDING AND SEQUENCING SYSTEM-(Information Only)

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- to GNRO-93/00092 -

Page 2 of.3 ELECTRICAL POWER SYSTEMS LIMITING CONDITIONS FOR OPERATION (Continued)

ACTION:

a.

For A.C. power distribution:

1.

With either Division 1 or Division 2 of the above required-A.C.

distribution system not energized, re-energize the division within 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months and in COLD SHUTDOWN within'the following 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months .

2.

With Division 3 of the above requi' red.A.C. distribution system-not energized, declare the HPCS system inoperable and take the ACTION required by Specification 3.5.1.

3.

With one of the' above required load shedding and sequencing panels inoperable, restore the inoperable pi 'l to OPERABLE status within 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months or be in at least HOT JUTDOWN within the next 1: h 'urs and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months , b.

For D.C. power distribution:

1.

With either Division 1 or Division 2 of the above required D.C.

distribution system not energized, re-energize the division within 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months .

2.

With Division 3 of the above required D.C.. distribution system not energized, declare the HPCS system inoperable and take the ACTION required by Specification 3.5.1.

SURVEILLANCE REQUIREMENTS 4.8.3.1.1 Each of the above required power distribution system divisions shall' be determined energized at least once per 7 days by verifying correct breaker alignment.on the busses /LCs/MCCs/ panels and voltage on the busses /LCs.

4.8.3.1.2 Each of the above required load shedding and' sequencing panels shall be demonstrated OPERABLE at least once per 31 days by performance of a manual test and verifying response within the design criteria to _the following -

test inputs:

a)

LOCA.

b)

Bus undervoltage.

c)

Bus undervoltage followed by LOCA.

d)

LOCA followed by bus undervoltage.

GRAND GULF.-UNIT 1 3/4 8-16 Amendment No.

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_ Attachment 4 to GNRO-93/00092 -

Page 3 of 3 '

y ELECTRICAL POWER SYSTEMS LIMITING-CONDITION FOR OPERATION (Continued)

-ACTION:

a.

For A.C. power distribution:

1.

With.both 0 ision I and Division:2 of the above. required A.C.

distribution system not energized and/or with the' load shedding-and sequencing panel associated with the division (s) required to be energized -inoperable,. suspend CORE. ALTERATIONS, handling ~

of irradiated fuel in~ the primary or secondary containment and operations with a potential for draining the reactor vessel.

OPERATIONAL CONDITION changes per Specification 3.0.4 are not-permitted.

2.

With Division 3 of the above required A.C. distribution system not energized,-declare the HPCS system inoperable and take the ACTION required by Specification 3.5.2 and 3.5.3.

b.

For D.C. power distribution:

1.

With both Division 1 and Division 2 of the above required D.C.

l distribution system not energized, suspend CORE ALTEP.ATIONS',-

~!

handling of irradiated fuel in the primary or secondary contain-ment and operations with a potential for draining the reactor-vessel. OPERATIONAL CONDITION changes per Specification 3.0.4 are not permitted.

2.

With Division 3 of the above required D.C. distribution system not energized, declare the HPCS system inoperable and take the ACTION required by Specification 3.5.2 and 3.5.3.

c.

The provisions of Specification 3.0.3 are not applicable.

SURVEILLANCE REQUIREMENTS 4.8.3.?.1 At least the above required power distribution. system divisions shall be determined energized at least once per 7 days-by verifying correct l

breaker alignment on the busses /LCs/MCCs/ panels and voltage on.the busses /LCs.

4.8.3.2.2 The.above required load-shedding and sequencing panel (s) shall be.

demonstrated OPERABLE 'at least once per 31 days by performance of a manual test and verifying response within the design criteria to the following test inputs:

a )..

LOCA.

b)-

Bus undervoltage.

t c)

Bus undervoltage -followed by LOCA.

d)

LOCA followed by. bus undervoltage.

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GRAND GdLF-UNIT 1 3/4 8-18 Amendment No. 69, 4.-

ML20056C714

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