ML20084B336

Proposed Tech Specs Re Change in Surveillance Test Requirements for source-range Nuclear Instrumentation

ML20084B336
Person / Time
Site:	Three Mile Island
Issue date:	05/24/1995
From:	GENERAL PUBLIC UTILITIES CORP.
To:
Shared Package
ML20084B328	List: ML20084B326 ML20084B336
References
NUDOCS 9505310206
Download: ML20084B336 (3)

Text

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.. . - Three Mile Island Nuclear Plant, Unit 1 (TMI-1) l Operating License No. DPR-50 Docket No. 50-289 Facility Operating License Amendment Request No. 250 ATTACIIMENT Proposed Technical Specification Chances 5

9505310206 950524 PDR ADOCK 05000289 P PDR

• , 1.24 CORE OPERATING I.IMITS REPORT The CORE OPERATING LIMITS REPORT is a TMI-l specific document that provides core operating limits for the current operating reload cycle. These cycle-specific core operating limits shall be detennined for each reload cycle in accordance with Specincation 6.9.5. Plant operation within these operating limits is addressed in individual specifications.  ;

l 1.25 FREQUENCY NOTATION The FREQUENCY NOTATION specified for the perfonnance of Surveillance Requirements shall correspond to the intervals defined in Table 1.2. All Surveillance Requirements shall be performed within the specified time interval with a maximum allowable extension not to exceed 25 % of the surveillance interval. The 25% extension applies to all frequency intervals with the exception of "F." No extension is allowed for intervals designated "F."

l TABLE 1.2 FREOUENCY NOTATION l

NOTATION FREOUENCY S Shiftly (once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />)

D Daily (once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />)

W Weekly (once per 7 days)

M Monthly (once per 31 days)

Q Quarterly -(once per 92 days)

S/A Semi-Annually (once per 184 days)

R Refueling Interval (once per 24 months)

P S/U Prior to each reactor startup, if not done during the previous 7 days P S/A Within six (6) months prior to each reactor startup i P Completed prior to each release N/A (NA) Not applicable E Once per 18 months F Not to exceed 24 months 1-8 Amendment No. 72, 137, 155, 173, l'75 l

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y TABLE 4.1-1 $

) [ INSTRUMENT SURVEILLANCE REQUIREMENTS l a -

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- CHANNEL DESCRIPHON CHECK TEST CAllBRATE REMARKS 1 E

1. Protection Channel NA M -NA Coincidence logic

% 2. Control Rod Drive Trip NA M NA (1) Includes independent testing of shunt

. Breaker and Regulating trip and undervoltage trip features.

g Rod Power SCRs

3. Power Range Amplifier D(1) NA (2) (1) When reactor power is greater than 15 %.

! (2) When above 15% reactor power run a heat balance check i once per shift. Heat balance calibration shall be performed whenever heat balance exceeds indicated neutron power by more than two percent.

p 4. Power Range Channel S M M(1)(2) (1) When reactor power is greater than 60% verify imbalance

" using incore instrumentation.

a (2) When above 15 % mactor power calculate axial offset uppe and lower chambers after each startup if not done within the previous seven days.

5. Intermediate Range Channel S(l) P S/U NA (1) When m semce.

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6. Source Range Channel S(l) P S/A NA (1) When in service.

7. Reactor Coolant Temperature S M F  !

Channel 1

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