ML20056E628

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Proposed Tech Specs Re Onsite Power Distribution
ML20056E628
Person / Time
Site: Haddam Neck File:Connecticut Yankee Atomic Power Co icon.png
Issue date: 08/18/1993
From:
CONNECTICUT YANKEE ATOMIC POWER CO.
To:
Shared Package
ML20056E627 List:
References
NUDOCS 9308240361
Download: ML20056E628 (9)
v • d • e


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Docket No. 50-213 B14572 l

i Haddam Neck Plant-Proposed Revision to Technical Specifications Onsite Power Distribution Markup Pages

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PDR.ADOCK 05000213.

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APR 2 61990

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ELECTRICAL POWER SYSTEMS 3/4.8.3 ONSITE POWER DISTRIBUT10N i

OPERATING LIMITIN NDITION FOR OPERATION 3.8.

A Th-following electrical busses shall be energized in the specif4 g ner with tie breakers open between redundant busses within the unit:

a.

Train A-A.C. Emergency Busses consisting of:

l 1) 4160-Volt Bus #8, and I

2) 480-Volt Busses #4 and #5.

b.

Train B-A.C. Emergency Russes consisting of:

l 1) 4160-Volt Bus #9, and j

2) 480-Volt Busses #6, #7 and #11.

c.

120-Volt A.C. Vital Bus A, energized from its associated inverter connected to D.C. Bus A, d.

120-Volt A.C. Vital Bus B, energized from its associated inverter l

connected to D.C. Bus A, i

e.

120-Volt A.C. Vital Busses C & C1, energized from its associated inverter connected to D.C. Bus B, f.

120-Volt A.C. Vital Busses D & D1 energized from its associated j

inverter connected to D.C. Bus B,

s. 125-Volt D.C. Bus A energized from Battery Bank 1A, and 7

h.

125-Volt D.C. Busses B and BX energized from Battery Bank 18.

APPLICABILITY: MODES 1, 2, 3, and 4.

ACTION:

With one of the required trains of A.C. emergency busses not fully a.

energized, reenergize the train within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> or be in at least

.r 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 t

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

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l HADDAM NECK 3/4 8-12 Amendment No. 125 i

APR 2 61990 l

JIJECTRICAL POWER SYSTEMS LIMITING CONDITION FOR OPERATION ACTION (Continued) b.

With one A.C. vital bus not energized from its associated inverter:

(1) return all vital busses to their normal power supply configuration within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-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 />, or (2)(a) energize the vital bus from its alternate inverter and place the reactor protection trip signal (s) associated with the inoperable bus (in abnormal configuration) in the trip condition (to meet the intent of Table 3.3-1) within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-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 />, and (b) return all vital busses to their normal power supply configuration 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 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 />.

With one D.C. bus not energized from its associated battery bank, c.

reenergize the D.C. bus from its associated battery bank 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 /> 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(f.l.1 The specified busses shall be determined energized in the required i

manner at le. t once per 7 days by verifying correct breaker alignment and indicahd' voltage on the busses.

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i HADDAM NECK 3/4 8-13 Amendment No. 125

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ELECTRICAL POWER SYSTEMS 3/4.8.3 NSITE POWER DISTRIBUTION OPERATING LIMITING CONDITION FOR OPERATION J

l S. f. 3. I. A TOSEET A t

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3.8.3.1.2 MCC-5 shall be energized and capable of automatically obtaining power from 480 VAC Busses 5 and 6.*

APPLICABILITY: MODES 1, 2, 3, and 4.

l ACTION:

With the MCC-5 automatic transfer feature inoperable and MCC-5 energized via an onsite electrical distribution system that includes an operable diesel generator, restore the automatic transfer feature 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 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-l within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

t

  • The MCC-5 automatic transfer feature may be rendered IN0PERABLE for up to l

30 minutes during performance of required Cycle 18 relay testing as required per J. F. 0peka letter to U.S. Nuclear Regulatory Commission, Haddam Neck 1

Plant, Commitments to Test Motor Control Center-5, dated July 15, 1993.

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-i Docket No. 50-213 B14572 l

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Haddam Neck Plant i

Proposed Reifsion'to Technical Specifications

.i Onsite Power Distribution Retyped Pages l

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August 1993 i

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l ELECTRICAL POWER SYSTEMS 3/4.8.3 ONSITE POWER DISTRIBUT10N j

OPERATING LIMITING CONDITION FOR OPERATION l

3.8.3.1.1 The following electrical busses shall be energized in the-l 1

specified manner with tie breakers open between redundant busses within the unit:

j 4

a.

Train A-A.C. Emergency Busses consisting of:

i 1) 4160-Volt Bus #8, and 2) 480-Volt Busses #4 and #5.

b.

Train B-A.C. Emergency Busses consisting of:

1) 4160-Volt Bus #9, and i

2) 480-Volt Busses #6, #7 and #11.

c.

120-Volt A.C. Vital Bus A, energized from its associated inverter connected to D.C. Bus A, i

d.

120-Volt A.C. Vital Bus B, energized from its associated inverter connected to D.C. Bus A, j

e.

120-Volt A.C. Vital Busses C & C1, energized from its associated

-i inverter connected to D.C. Bus B, f.

120-Volt A.C. Vital Busses D & D1 energized from its associated l

inverter connected to D.C. Bus B, l

t g.

125-Volt D.C. Bus A energized from Battery Bank 1A, and h,

125-Volt D.C. Busses B and BX energized from Battery Bank 18.

l APPLICABILITY: MODES 1, 2, 3, and 4.

ACTION:

i a.

With one of the required trains of A.C. emergency busses not' fully energized, reenergize the train within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-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 />.

j HADDAM NECK 3/4 8-12 Amendment No. JJE

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-((ECTRICAL POWER SYSTEMS 3/4 8.3 ONSITE POWER DISTRIBUTION OPERATING LIMITING CONDITION FOR OPERATION ACTION (Continued) b.

With one A.C. vital bus not energized from its associated inverter:

(1) return all vital busses to their normal power supply configuration within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-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 />, or (2)(a) energize the vital bus from its alternate inverter and place the reactor protection trip signal (s) associated with the inoperable bus (in abnormal configuration) in the trip condition (to meet the intent of Table 3.3-1) within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-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 />, and (b) return all vital busses to their normal power supply configuration 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 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 />.

c.

With one D.C. bus not energized from its associated battery bank, reenergize the D.C. bus from its associated battery bank 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 /> 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 4.8.3.1.1 The specified busses shall be determined energized in the required l

manner at least once per 7 days by verifying correct breaker alignment and indicated voltage on the busses.

HADDAM NECK 3/4 8-13 Amendment No. JJE

.0212

LLECTRICAL POWER SYSTEMS 3/4.8.3 ONSITE POWER DISTRIBUT10N OPERATING LIMITING CONDITION FOR OPERATION

-i 3.8.3.1.2 MCC-5 shall be energized and capable of automatically obtaining _

power from 480 VAC Busses 5 and 6.*

j APPLICABILITY: MODES 1, 2, 3, and 4.

ACTION:

With the MCC-5 automatic transfer feature inoperable and MCC-5 energized via an onsite electrical distribution system that includes an operable diesel generator, restore the automatic i

transfer feature 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 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 />.

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  • The MCC-5 automatic transfer feature may be rendered INOPERABLE for up to l

30 minutes during performance of required Cycle 18 relay testing as required per J. F. Opeka letter to U.S. Nuclear Regulatory Commission, Haddam Neck Plant, Commitments to Test Motor Control Center-5, dated July 15, 1993.

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HADDAM NECK 3/4 8-13a 0212

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