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Amend 26 to License DPR-51,amending Tech Specs to Allow Operation W/One Fan Cooler Out of Svc Until Qualified Replacement Motor Is Installed
	ML19326C038
Person / Time
Site:	Arkansas Nuclear
Issue date:	06/09/1977
From:	Desiree Davis; Office of Nuclear Reactor Regulation
To:	;
Shared Package
ML19326C035	List: ML19326C034; ML19326C038; ML19326C043; ML19326C047;
References
	NUDOCS 8004180719
	Download: ML19326C038 (6)
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1 ATTACHMEllT TO LICEllSE A!iEtlDMErlT N0. M 1

FACILITY OPERATING LICEllSE fl0. OPR-51 DOCKET fl0. 50-313 Accomplish page changes to the Appendix A portion of the Technical Specifications

-as noted below. The changed areas on the revised pages are identified by a mar-ginal.line.

Remove Existing Page Add Revised Page 36 36 37 37 38 38 3

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3.3 E!!ERGENCY CORE COOLING, REACTOR BUILDING COOLING AND REACTOR DUILDING SPRAY SYSTEMS Applicability Applies to the emergency core cooling, reactor building cooling and reactor building spray systems.

Obj ectivity To define the conditions necessary to assure immediate availability of the emergency core cooling, reactor building cooling and reactor building spray systens.

Specification 3.3.1 The following equipment shall be operable whenever containment integrity is established as required by Specification 3.6.1:

(A) One reactor building spray pump and its associated spray noz:le header.

(B) One reactor building cooling fan and its associated coo' ling unit.

(C) Two out of three service water pumps shall be operable, powered from independent essential buses, to provide re-dundant and independent flow paths.

(D) Two engineered safety feature actuated low pressure injcetion pumps shall be operable.

(E)

Both-low pressure 'njection coolers and their cooling water supplies shall be operable.

(F) Two SWST level -instrument channels shall be operable.

(G).The borated water storage tank shall contain a minimum level of 35.9 feet (350,000 gallons) of water having a minimum concentration of 2270 ppm boron at a temperature not less than 40F.

The manual valve on the discharge line from the borated water storage tank shall be locked open.

(11)

The four reactor building emergency sump isolation valves to the LPI syste= shall be either manually or remote-manually operable.

AMENDMENT NO. M 36 e

n (I)

The engineered safety features valves associated with each of the above systems shall be operable or locked in the ES position.

3.3.2 In addition to 3.3.1 above, the following ECCS equipment shall be operable when the reactor coolant system is above 350F and irradi-ated fuel is in the core:

(A)

Two out of three high pressure injection (makeup) pumps shall be maintained operable, powered from independent essential busses, to provide redundant and independent flow paths.

(B) Engineered safety features valves associated with 3.3.2.a above shall be operable or locked in the ES position.

3.3.3 In addition to 3.3.1 and 3.3.2 above, the following ECCS equipment shall be operabic when the reactor coolant system is above 800 psig:

(A)

The two core flooding tanks shall each contain an indicated minimum of 13 + 0.4 feet (1040 + 30 3

ft ) of borated water at 600 + 25 psig.-

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(B)

Core flooding tank boron concentration shall not be less than 2270 ppm boron.

(C) The electrically operated discharge valves from the core flood tanks shall be open and breakers locked open and tagged.

(D) One of the two pressure instrument channels and one of the two

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level instrument channels per core flood tank shall be operable.

3.3.4 The reactor shall not be made critical unless the following equipment in addition to 3.3.1, 3.3.2, and 3.3.3 above is operable.

(A)

Two reactor building spray pumps and their associated spray nozzle headers and two reactor building emergency cooling fans and associated cooling units powered from operable independent emergency buses.

(B) The sodium thiosulfate tank shall contain an indicated 31 ft of 30 wt% solution sodium thiosulfate (37,500 lb). The sodium hyd oxide tank shall contain an indicated 31 ft. of 20.wt%

solution sodium hydroxide (20,500 lb.).

(C) All manual valves in the main discharge lines of the sodium thiosulfate and sodium hydroxide tanks shall be locked open.

'(D) Engineered safety feature valves and interlocks associated with 3. 3.1,. 3. 3. 2, and 3. 3. 3 shall be operable or locked in the ES position.

3.3.5 Maintenance shall be allowed during power operation on any component (s) in the high pressure injection, low pressure injection, service water, reactor building spray and reactor building cooling AMENDMENT NO. 93 37

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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 -inoperable for more than 24 consective hours.

Prior to initiating main-

'tenance on any component of a train in any system, the redundant component of that system shall be, demonstrated to be opertble within 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months 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 ba 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 0.01 hours 5.952381e-5 weeks 1.3698e-5 months , and, if not corrected, in cold shutdown,ndition wit'in an additional 72 hours8.333333e-4 days 0.02 hours 1.190476e-4 weeks 2.7396e-5 months .

3.3.7 Exceptions to 3.3.6 shall be as follows:

(A)

If the conditions of Specification 3.3.1(F) cannot be met, reactor operation is permissible only during the succeeding seven days unless such components are sooner made operable, provided that during such seven days the other BNST level instrument civ.nnel shall be operable.

(B)

If the conditions of Specification 3.3.3(D) cannot be met, reactor operation is permissible only during the succeeding 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.

Bases The requirements of Specification 3.3.1 as ure that below 350F, adequate long term core cooling is provided.

Two low pressure inj ection pumps are speci fied. llowever, only one is necessary to supply emergency coolant to the reactor in the event of a loss-of-coolant accident.

The post-accident reactor building cooling and long-tenn pressnre reduction may be accomplished by four cooling units, by two spray units or by a combi-nation of one cooling unit and one spray unit.

Post-accident iodine removal f

may be accomplished by one of the two spray system strings.

The specified requirenents assure that the required post-accident components are available for both reactor building cooling and iodine removal. Specification 3.3.1 assures that the required equipment is operational.

The borated water storage tank is used for three purposes:

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

(B)

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

(C) As a supply of borated water for flooding the fuel trar;!.

canal during refueling operation. (3) i NiEilDMEllT il0. h-38 i

ML19326C038

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