ML20235A835

Proposed Tech Specs,Deleting Surveillance Requirement for Resistance Temp Detector Bypass Loop Flow Measurement

ML20235A835
Person / Time
Site:	Catawba
Issue date:	06/29/1987
From:	DUKE POWER CO.
To:
Shared Package
ML20235A798	List: ML20235A796 ML20235A835
References
TAC-65709, TAC-65710, NUDOCS 8707080549
Download: ML20235A835 (2)

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TABLE 4.3-1 (Continued)

TABLE NOTATIONS Only if the Reactor Trip System breakers happen to be closed and the Control Rod Drive Systam is capable of rod withdrawal.

Above P-9 (Reactor Trip on Turbine Trip Interlock) Setpoint.

Below P-6 (Intermediate Range Neutron Flux Interlock) Setpoint.

1. 1. 1. Below P-10 (Low Setpoint Power Range Neutron Flux Interlock) Setpoint.

(1) If not performed in previous 7 days.

(2) Comparison of calorimetric to excore power indication above 15% of RATED THERMAL POWER.

Adjust excore channel gains consistent with calorimetric power if absolute difference is greater than 2%.

The provisions of Specification 4.0.4 are not applicable for entry into MODE 2 or 1.

(3) Single point comparison of incore to excore axial flux difference above 15% of RATED THERMAL POWER.

Recalibrate if the absolute difference is 4

greater than or equal to 3%. The provisions of Specification 4.0.4 are not applicable for entry into MODE 2 or 1.

(4) Neutron detectors may be excluded from CHANNEL CALIBRATION.

(5) Detector plateau curves shall be obtained, evaluated and compared to manufacturer's data.

For the Intermediate Range and Power Range Neut,ron Flux channels the provisions of Specification 4.0.4 are not applicable for entry into MODE 2 or 1.

(6)

Incore - Excore Calibration, above 75% of RATED THERMAL POWER.

The provisions of Specification 4.0.4 are not applicable for entry into MODE 2 or 1.

(7) Each train shall be tested at least every 62 days on a STAGGERED TEST 3 ASIS.

(8) bith power greater than or equal to the interlock setpoint the required ANALOG CHANNEL OPERATIONAL TEST shall consist of verifying that the interlock is in the required state by observing the permissive status light.

(9) Monthly surveillance in MODES 3*,

4*, and 5* shall also include verifi-cation that permissives P-6 and P-10 are in their required state for

~

existing plant conditions by observation of the permissive status light.

{

For Unit 2 only, monthly surveillance shall include verification of the J

Boron Dilution Alarm Setpoint of less than or equal to one-half decade (square root of 10) above background.

(10) Setpoint verification is not applicable.

(11) At least once per 18 months and following maintenance or adjustment of the Reactor trip breakers, the TRIP ACTUATING OEVICE OPERATIONAL TEST shall include independent verification of the Undervoltage and Shunt

..g trips.

.f CP"NCL CALIORAT!CN shell inch.dc thc RTO byp::: '00p

' S -ate:

(13) For Unit 1, CHANNEL CALIBRATION shall ensure that the filter time constant

}v associated with Steam Generator Water Level Low-Low is adjusted to a value less than or equal to 1.5 seconds.

AmendmentNo.[/(U (Unit 1)

CATAWBA - UNITS 1 & 2 3/4 3-12 Amendment No.