ML20010H784

Proposed Changes to Tech Specs,Correcting Errors in 810130 Submittal Re Reactor Bldg Cooler Surveillance & Svc Water Chlorination Procedures

ML20010H784
Person / Time
Site:	Arkansas Nuclear
Issue date:	09/22/1981
From:	ARKANSAS POWER & LIGHT CO.
To:
Shared Package
ML20010H773	List: ML20010H772 ML20010H784
References
NUDOCS 8109290291
Download: ML20010H784 (3)

Text

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systems which will not remove more than one train of each system from service. Maintenance shall not be performed on components which would make the affected system train inoper-able for more than 24 consecutive hours. Prior to initiating maintenance on any component of a train in any system, the redundant component of that system'shall be demonstrated to be operable within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> prior to the maintenance.

3.3.6 If the conditions of Specifications 3.3.1, 3.3.2, 3.3.3, 3.3.4 and 3.3.5 cannot be met except as noted in 3.3.7 below, reactor shutdown shall be initiated and the reactor shall be in hot shutdown condition within 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br />, and, if not corrected, in cold shutdown condition within an additional 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />.

3.3.7 Exceptions to 3.3.6 shall ')e as follows:

(A) If the conditions of Specification 3.3.1(F) cannot be met, i reactor operation is permissible only during the succeed-ing seven days unless such components are sooner made operable, provided that during such seven days the other BWST level instrument channel shall be operable.

(B) If the conditions of Specification 3.3.3(D) cannot be met, reactor operation is permissible only durir,g the succeed-ing seven days unless such components are sooner made operable, provided that during such seven days the other CFT instrument channel (pressure of level) shall be operable.

(C) If the conditions of Specification 3.3.4(A) cannot be met because one group of the required reactor building emer-gency cooling units is inoperable but both reactor build-ing spray systems are operable, restore the inoperable group of cooling anits to operable status within 7 days or beinatleasthotshutdownwithinthenext6hoursandin.l 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 />.

(D) If the conditions of Specification 3.3.4(A) cannet be met because two groups of the required reactor building emergency cooling units are inoperable but both reactor building spray systems are operable, restore at least one group of cooling units 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 shutdown 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 both above required groups of cooling units to operable status within 7 days of initial loss or be in at least hot shutdown 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 />.

38 t8109290291 010922 PDR ADOCK 05000313

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(E) If the conditions of Specification 3.3.4(A) cannot be met because one group of the required reactor building emer-gency cooling units are inoperable and one reactor build-ing spray system is inoperable, restore the inoperable spray system 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 dt least hot shutdown 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 the inoperable group of reactor building emergency coolina units to operable status within 7 days of initial loss or be in at least hot shutdown 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 />.

(F) If the conditions of Specification 3.3.4(A) cannot be met because any cooling units of the required groups is inopercble because its asscciated fan is inoperable, verify that the operrble cooling unit in that group has a service water flow rate 2 1200 gpm through its cooling coils or restore the inoperable cooling unit to operable status within 7 days or be in at least hot shutdown 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 />.

Bases The requirements of Specification 3.3.1 assure that below 350 F, adequate long term core cooling is provided. Two low pressure injection pumps are specified. .lowever, only one is necessary to supply emergency coolant to the reactor in the event of a los:-of-coolcnt accident.

The post-accident reactor building cooling and long-term pressure ieduc-tion may be accomplished by four cooling units, by two spray units or by a combination of one cooling unit and one spray unit. Post-accident iodine removal may be accomplished by one of the two spray system strings. The specified requirements assure that the required post-accident components a:e available for both reactor building coolina and iodine removal. Spr,cification 3,3.1 assures that the required equipment is operational.

The borated water storage tank is used for three purposes:

l (A) As a supply of borated water for accident conditions.

(B) As an alternate supply of borated water for reaching cold shutdown. (2)

! (C) Ao a supply of borated water for flooding the fuel transfer canal during refueling operation. (3) l l

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CONTAINMENT SYSTEMS CONTAINMENT COOLING SYSTEM LIMITING CONDITION FOR OPERATION 3.6.2.3 Two independent containment cooling groups shall be OPERABLE with at least one operational cooling unit in each group.

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

ACTION

a. With one group of the above required containment cooling units inoperable and both containment spray systems OPERABLE, restore the inoperable group of cooling units to OPERABLE status within 7 days or be in at least HOT STANDBY within the tiext 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUlDOWN 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 two groups of the above required containment cooling units inoperable and both containment spray systems OPERABLE, restore at least one group of cooling units 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 :0LD 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 both above required groups of oling units to OPERABLE status within 7 days of initial loss 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 follow-ing 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

c. With one group of the above required containment cooling units inoperable and one containment spray system inoperable, restore the inoperable spray system 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 />. Restore the inoperable group of containment cooling units to OPERABLE status within 7 days of initial loss 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 />.

d. With any cooling unit of the bove required groups inoperable because its associated fan is inoperable, verify that the OPERABLE cooling unit in that group has a service water flow rate E 1250 gpm through its cooling coils or restore the inoperable cooling unit to OPERABLE status within 7 days 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 />.

ARKANSAS - UNIT 2 3/4 6-14 Amendment No. 16

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