ML20204H550

Proposed Tech Spec Pages 3/4 8-1 & 8-2,adding one-time Extension of out-of-svc Time for Maint of Diesel Generator 12 for 10 Days

ML20204H550
Person / Time
Site:	Calvert Cliffs
Issue date:	08/01/1986
From:	BALTIMORE GAS & ELECTRIC CO.
To:
Shared Package
ML20204H546	List: ML20204H541 ML20204H550
References
NUDOCS 8608080148
Download: ML20204H550 (6)

Text

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3/4.8 ELECTRICAL POWER SYSTEMS 4

3/4.8.1 A.C. SOURCES OPERATING t

LIMITING CONDITION FOR OPERATION . .

3.8.1.1 As a minimum, the following A.C. electrical power sources shall be OPERABLE: I

a. Two physically independent circuits between the offsite transmission network and the onsite Class lE distribution system consisting of either:

1. Two 500 Kv offsite power circuits, or as necessary

~

2. The 69 Kv SMECO offsite power circuit described in the January 14, 1977 Safety Evaluation and one 500 Ky offsite power circuit, and

b. Two separate and independent diesel generators (one of which may be a swing diesel generator capable of serving either Unit 1 or Unit 2) each with:

1. Separate day fuel tanks containing a minimum volume of 375 gallons of fuel,

(-"

2. A comon Yuel storage system consisting of two independent storage tanks each containing a minimum volume of 18,250 gallons of fuel, . 1

, and =

3. ~A separate fuel transfer pump. -

APPLICABILITY: MODES 1, 2, 3 and 4.

ACTION: ,

a. With two offsite circuits of the above required A.C. electrical power T ,

l sources inoperable, demonstrate the OPERABILITY of the. remaining A.C.

sources by performing Surveillance Requirement 4.3.1.1.1.a within one 4 i hour and at least once per 8. hours .thei eafter; and 4.8.1.1.2.a.4 within Ai r L

24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, unless the diesel generators are already operating. Restore at least two offsite circuits 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 be b y

' in at least HOT STAND 8Y within the next S hours and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

b. With one diesel generator inoperable, demcnstrate the OPEPABILITY of s; the remaining A.C. sources by performing Surveillance Requirement 4.8.1.1.1.a within one hour and.at least once oer 8 houCs thereafter, and L 4

Surveillance Requirement 4.8.1.1.2.a.4 within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. Restore two . (

diesel generators to OPERABLE status within 72 hou s or- be in at least 5

^ -

HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the

-follow.u; 30 $*

g urs .-5 i

$ hud aHukel sde.

l CALVERT CLIF - UNIT 1 3/4 8-1 Amendment No. 58,92, 111

- - - - - - - - - - - - - - - -~ - - - -

6 ELECTRICAL POWER SYSTEMS "

r i t.

LIMITING CONDITION FOR OPERATION (Continued)

ACTION: (Continued)

c. With two offsite circuits and one diesel generator of the above .4-required A.C. electrical power sources inoperable, demonstrate the OPERABILITY of the remaining A.C. sources by performing Surveillance i Requirement 4.8.1.1.1.a within one hour and at least once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter and Surveillance Requirement 4.8.1.1.2.a.4 within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />, unless the diesel generators are already operating. Restore at least one of the inoperable sources to OPERABLE status within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />. Restore at least two offsite circuits and two diesel generators to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> from the time of initial loss or be in at least HOT STANDBY within the next 6hoursandinCOLDSHUTDOWNwithinthefollowing30 hours.%

d. With three of the above required offsite A.C. circuits inoperable, demonstrate the OPERABILITY of two diesel generators by performing Surveillance Requirement 4.8.1.1.2.a.4 within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> unless the g i

diesel generators are already operating; restore at least one of the inoperable offsite sources to OPERABLE status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> or be in at least HOT STANDBY,within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />. With only one off-site source restored, restore at least two offsite circuits to OPERABLE I status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> from time of initial loss or be in at.least HOT T-STAN08Y within the next 6 hou'rs and in COLD SHUTDOWN within the follow- &

ing 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

4

e. Withtwooftheaboverequireddieselgeneratorsinoperable, demonstrate 1 i

the OPERABILITY of two offsite A.C. circuits by performing Surveillance i'

Requirement 4.8.1.1.1.a within one hour and at least once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter; restore at least one of the inoperable diesel generators to 4

OPERABLE status within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

Restore at least two diesel gnerators to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> from time of initial loss or be in at least HOT STAND 8Y within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.K hS8 SURVtiu.Am t MtyUldtlitNT5-4.8.1.1.1 Each required independent eficuit between the offsite transmission network and the onsite Class IE distribution system shall be:

a. Demonstrated OPERABLE, as follows:

i

1. For each 500 Ky offsite circuit,' at least once per i' days by verify-ing:ccrrect breaker alignments and indicated power ivailability, CALVERT~ CLIFFSF UNIT T* 3/.4L 8 ,22 Amendment-No. 58,72L 1111

3/4.8 ELECTRICAL POWER SYSTEMS

."- ~ ,

x 3/4.8.1 A.C. SOURCES OPERATING LIMITING CONDITION FOR OPERATION 3.8.1.1 OPERABLE:

As a minimum, the following A.C. electrical power sources shall be a.

Two physically independent circuits between the offsite transmission network and the onsite Class lE distribution system consisting of either:

1.

Two 500 Ky offsite power circuits, or as necessary 2.

The 69 Xy SMECO offsite power circuit described in the January 14, 1977 Safety Evaluation and one 500 Ky offsite power circuit, and b.

Two separate and independent diesel generators (one of which may be a swingwith:

each diesel generator capable of serving either Unit 1 or Unit 2) 1.

Separate of fuel, day fuel tanks containing a minimum volume of 375 gallons

. 2.

h_f  : A 'como[ fuel storage s'ystem consisting of two independent stora

- ~

tanksLeach and containing a minimum volume of 18,250 gallens of fuel, 1

3. A separate fuel transfer pump. -

APPLICABILITY: MODES 1, 2, 3 and 4.

ACTION:

[ . '. ~

a.

With two offsite circuits of the above required A.C. electrical power sources inoperable, demonstrate the OPERABILITY of the remaining A.C. [

sources by performing Surveillance Requirement 4.8.1.1.i.a within one

. hour and at least once per 8. hours.thereafter; and 4.8.1.1.2.a.4 within 24 ho'urs,"unless the diesel generators are already. operating. Restore at least two offsite circuits 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 be in at least within HOT STANDBY the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />. within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHU b.

With one diesel generator inoperable, demonstrate the OPERABILITY of the remaining A.C. sources by cerforming Surveillance Requirement 1 4.8.1.1.1.a within one hour and.at least once oer B hours thereafter, and Surveillance Requirement 4.8.1.1.2.a.4 within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. Bestore two .

diesel generators 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 tie in at least HOT following30 STANDBY hours.W~within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOW i

CALVERT CLIFFS - UNIT 2 3/4 8-1 knendment No. 6,fD,73,94.g l

i

\ . *. ..,

ELECTRICAL POWER SYSTEMS ,N s__.

LIMITING CONDITION FOR OPERATION (Continued)

ACTION: (Continued) .

c.

With two offsite circuits and one diesel generator of the above I required A.C. electrical power sources inoperable, demonstrate the OPERABILITY Requirement of the remaining A.C. sources by performing Surveillance 4.8.1.1.1.a within one hour and at least once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter and Surveillarice Requirement 4.8.1.1.2.a.4 within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />, unless the diesel generators are already operating. Restore at least

,' one of the inoperable sources to OPERABLE status within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> or be in at least within HOT STANDBY the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />. within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SH

' Restore at least two offsite circuits

, and.twei diesel generators to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> frcm the

{ time of initial loss or be in at least HOT STANDBY within the next 6hoursandinCOLDSH,UTDOWNwithinthefollowing30 hours.)K d.

With three of the above required offsite A.C. circuits inoperable.

demonstrate the OPERABILITY of two diesel generators by performing l Surveillance Requirement 4.8.1.1.2.a.4 within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> unless the diesel generators are already operating; restore at least one of the j inoperable offsite sources to OPERABLE status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.With only one off-

. site source restored, restore at least two offsite circuits to OPERABLE J'

status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> from time of initial loss or be in at least HOTi

., ing STAND 8Y within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN with 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.- ^

e .'

With' two of the' above required diesel generators inoperable ' demonstra the OPERASILITY of two offsite A.C. circuits by performing Surveillance Requirement 4.8.1.1.1.a within one hour and at least once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter; restore at least one of the inoperable diesel generators to OPERABLE status within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> or be in.at least HOT STANDB next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTOOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

Restore at least two diesel gnerators to OPERABLE status within 72

t. hours from time of initial loss or be in at least HOT STANDBY wit the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />

~

SURVEILLANCE REQUIREMENTS 4.8.1..l .1

~l n

etwork and the onsite Class lE distribution system shall be:Each r

.1

a. Demonstrated OPERABLE, as follows:

^

. j

' 1.

For each 500 Ky offsite circuit, at least once per 7' days by verify-ing correct breaker alignments and indicated power a av ilability, x

CALVERT' CLIFFS. -UNIT 2 3/4.8-2. AmendmentJo:t g,77,94-W i

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