ML20237G351

Proposed Tech Specs Changing Suppression Pool Temp Limit to 100 F When River Temp 87 F

ML20237G351
Person / Time
Site:	Hatch
Issue date:	08/14/1987
From:	GEORGIA POWER CO.
To:
Shared Package
ML20237G349	List: ML20237G346 ML20237G351
References
TAC-65987, TAC-65988, NUDOCS 8708240056
Download: ML20237G351 (4)

Text

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- ENCLOSURE: 4 PLANT HATCH - UNITS 1, 2-NRC DOCKETS 50-321, 50-366 OPERATING LICENSES'DPR-57, NPF-5 RE00EST TO REVISE TECHNICAL SPECIFICATIONS:

SUPPRESSION POOL TEMPERATURE LIMIT PAGE CHANGE INSTRUCTIONS I I

' The proposed changes to the- Technical Specifications (Appendix A to ,

Operating Licenses DPR-57 and NPF-5) would be incorporated as follows: l Remove Paae- Insert Page UNIT 1:

3.7-1 3.7-1

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UNIT 2: )

3/4 6-11, 3/4 6-11 3/4 6-12 3/4 6-12 1

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8708240056 870814 PDR ADDCK 05000321 P PDR 1596C E4-1 8/14/87 SL-3040

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LIMITING CONDITIONS FOR OPERATION SURVEILLANCE REQUIREMENTS j I

3.7. CONTAINMENT SYSTEMS 4.7. CONTAINMENT SYSTEMS Applicability Applicability The Limiting Conditions for Operation The Surveillance Requirements associated with containment systems associated with containment systems apply to the operating status of the apply to the primary and secondary primary and secondary containment containment integrity.

systems.

Objective Objective The objective of the Limiting Conditions The objective of the Surveillance Re-for Operation is to assure the integrity quirements is to verify the integrity of the primary and secondary containment of the primary and secondary contain-systems. ment.

Specifications Specifications A. Primary Containment A. Primary Containment

1. Pressure Suppression Chamber 1. Pressure Suppression Chamber i

At any time that irradiated a. The pressure suppression chamber fuel is in the reactor vessel, and water level, water temperature the nuclear system is pressurized and air temperature shall be above atmospheric pressure or measured and recorded daily.

work is being done which has the potential to drain the vessel, the pressure suppression chamber b. The interior painted surfaces water level and water temperature above the level one foot below shall be maintained within the the normal water line of the following limits except while per- pressure suppression chamber forming low power physics tests at shall be visually inspected atmospheric pressure at power levels once per operating cycle, not to exceed 5 Mwt. In addition,'the external surfaces of the pressure

a. Minimum water level - 12 feet, suppression chamber shall 2 inches, be visually inspected on a routine basis for evidence

b. Maximum water level - 12 feet, of corrosion or leakage.

6 inches.

c. Whenever there is indication

c. During normal power operation, the that a significant amount of suppression chamber water temperature heat is being added to the shall be maintained 595'F.* If this l pressure suppression pool, the temperature limit is exceeded, pool pool temperature shall be con-cooling shall be initiated imediately. tinually monitored and also observed and logged every S If the water temperature cannot be restored to $95'F* within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, the reactor shall be shut down using l minutes until the heat add is terminated, normal shutdewi procedures.

• Suppression chamber water temperature will be maintained at $100*F during periods when the river temperature, as measured at the intake structure, is >B7'F. The river temperature will be measured on a daily basis while under this specification (valid 8/12/87 through 9/30/87 only).

HATCH - UNIT 1 3.7-1 Proposed TS/01460/223

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' CONTAINMENT SYSTEMS a

3/4.6.2 DEPRESSURIZATION SYSTEMS

' SUPPRESSION CHAMBER LIMITING CONDITION FOR OPERATION 3.6.2.1 The suppression chamber shall be OPERABLE with the pool water:

a '. Volume between 87,3002 ft , and 90,550 ft', equivalent to a l l: level between 12'2" and 12'6", and a

b. Maximum temperature of 95*F during OPERATIONAL CONDITION 1 or 2, except that the maximum temperature may be permitted to increase to:

1 105 F during testing which adds heat to the suppression 1.

chamber during OPERATIONAL CONDITION 1 or 2,  ;

2. 120 F with the main steam line isolation valles closed following a scram from OPERATIONAL CONDITI0d 1 or 2.

3. 100"F during periods when the river temperature, as measured at the intake structure, is 2 87 F. The river temperature will be monitored on a daily basis while under this specification (valid 8/12/87 through 9/30/87 only).

c. Level instrumentation channels alarms adjusted to actuate at: 1

1. High water. level of 5 12'6".

1

2. Low water level of 2 12'2".

APPLICABILITY: CONDITIONS 1, 2 and 3.

ACTION:

a. With the suppression chamber water volume outside the above limits, restore the volume to within the limits within one hour or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in 4 COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

)

b. In OPERATIONAL CONDITION 1 or 2 with the suppression chamber water temperature > 95 F, except as permitted above, initiate 1 suppression pool cooling and restore the, temperature to s 95*F I or to 6100*F, as allowed by Specification 3.6.2.1.b.3, l l 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 SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUT 00WN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

c. In OPERATIONAL CONDITION 1 or 2 with the suppression chamber  !

water temperature > 105 F during testing which adds heat to the suppression chamber, stop all testing, initiate suppres-  :

sion pool cooling and restore the temperature to s 95 F or to 5100 F, as allowed by Specification 3.6.2.1.b.3, within l 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 SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

)

HATCH - UNIT 2 3/4 6-11 Proposed TS/0147q/223

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T" CONTAINMENT' SYSTEMS LIMITING CONDITION FOR OPERATION (Continued) 4 ACTION: (Continued)

d. In OPERATIONAL CONDITION 1 or 2 with THERMAL POWER > 1% of RATED THERMAL POWER and the suppression chamber water temperature

> 110 F, place the reactor mode switch in the Shutdown position.

e. With the suppression chamber water temperature > 120 F and the main steam isolation valves closed'following a scram from OPERATIONAL CONDITION 1 or 2, depressurize the reactor pressure )

vessel to < 200 psig at normal cooldcwn rates.

f. .With one suppression chamber water level instrumentation channel inoperabl), restore the inoperable channel to OPERABLE status within 30 days or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUT 00W.'l within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

g. With.both suppression chamber water level instrumentation channels inoperable, restore at least one inoperable channel to OPERABLE status within'6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the follow-ing 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

SURVEILLANCE REQUIREMENTS , 4.6.2.1 The suppression chamber shall be demonstrated OPERABLE:

a. By verifying the suppression chamber water volume to be between 12'2" and 12'6" at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />

b. At least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> in OPERATIONAL CONDITION 1 or 2 by verifying the suppression chamber water temperature to be ,

s 95 F or as permitted by Specification 3.6.2.1.b.3, by verifying i the suppression chamber water temperature to be s 100 F.

c. At least once per 5 minutes in OPERATIONAL CONDITION 1 or 2 i during testing which adds heat to the suppression chamber, by J verifying the suppression chamber water temperature s 105 F.

d. At least once per 60 minutes when THERMAL POWER > 1% of RATED THERMAL POWER and suppression chamber water temperature > 95 F, by verifying suppression chamber water temperature < 110 F.

1 HATCH - UNIT 2 3/4 6-12 Proposed T/S/0147q/224 l

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