ML20117P334

Proposed Tech Specs to Change Unit 3 TS LCO 3.6.F.1 in Order to Perform Repairs & Maint Necessary to Return RCS Recirculation Loop a to Operations

ML20117P334
Person / Time
Site:	Browns Ferry
Issue date:	09/15/1996
From:	TENNESSEE VALLEY AUTHORITY
To:
Shared Package
ML20117P333	List: ML20117P331 ML20117P334
References
NUDOCS 9609230097
Download: ML20117P334 (5)

Text

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1

. ENCLOSURE 2 I TENNESSEE VALLEY AUTHORITY ,

BROWNS FERRY NUCLEAR PLANT (BFN) l UNITS 1, 2, AND 3 PROPOSED TECHNICAL SPECIFICATION (TS) CHANGE TS-375 l

MARKED PAGES i

, l I. AFFECTED PAGE LIST l Unit 3 3.6/4.6-12 II. MARKED PAGES See attached.

I 1

9609230097 960915 PDR ADOCKOSOOg6 P

3.6/4.6 PRIMARY SYSTEM BOUNDARY

^

g gg LIMITING CONDITIONS FOR OPERATION SURVEILLANCE REOUIREMENTS 4.6.E. Jet Piens I

2. Whenever there is on September 21, 1996, at 8:47 pm recirculation flow with I Central Daylight-Saving Time, unless the loop is sooner returned to service the reactor in the I STARTUP or EUN Mode and I one recirculation pump is operating, the d diffuser to lower plenum differential pressure shall be checked daily and the differential pressure of an individual jet pump in a loop shall not vary from the mean of all jet pump differential pressures in that loop by more than 10%.

3.6.F Recirculation Pumo Operation 4.6.F Recirculation Pumn Ooeration

1. The reactor shall not be operated 1. Recirculation pump with one recirculation loop out speeds shall be checked of service for more than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. and logged at least With the reactor operating, if i once per day.

one recirculation loop is out of j

service, the plant :nall be

, placed in a HOT SHUTDpWN j CONDITION +wiJpitf 2f,4oers un  !

• the 1 9 0 kVsooW reL4rnf[

se ,

i

2. Following one-pump operation, '

2. No additional the discharge valve of the low I surveillance required.

speed pump may not be opened  !

unless the speed of the faster pump is less than 50% of its rated speed.

3. When the reactor is not in the RUN 3. Before starting either mode, REACTOR POWER OPERATION with recirculation pump both recirculation pumps out-of- during REACTOR POWER service for up to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> is OPERATION, check and permitted. During such interval log the loop discharge restart of the recirculation pumps temperature and dome is permitted, provided the loop saturation temperature.

discharge temperature is within 75'F of the saturation temperature BFN 3.6/4.6-12 AMENDMENT NO. I 8 4 Unit 3

l ENCLOSURE 3 TENNESSEE VALLEY AUTHORITY BROWNS FERRY NUCLEAR PLANT (BFN)

UNITS 1, 2, AND 3 PROPOSED TECHNICAL SPECIFICATION (TB) CHANGE TS-375 REVISED PAGES 1

l I. AFFECTED PAGE LIST 3.6/4.6-11*

3.6/4.6-12 II. REVISED PAGES See attached. l

• - Denotes overleaf page 1

i l

1 i

3. 6 /4. 6 PRIMARY SYSTEM BOUNDARY LIMITING bONDITIONS FOR OPERATION SURVEILLANCE REOUIREMENTS 4.6.D. Relief Valves

3. The integrity of the relief valve bellows shall be continuously monitored when valves incorporating the bellows design are installed.

4. At least one relief valve shall be disassembled and inspected each operating cycle.

3.6.E. Jet Pumns E. Jet Pumns

1. Whenever the reactor is in the 1. Whenever there is STARTUP or RUN modes, all jet recirculation flow with pumps shall be OPERABLE. If the reactor in the it is determined that a jet STARTUP or RUN modes pump is INOPERABLE, or if two with both recirculation or more jet pump flow instrument pumps running, jet pump failures occur and cannot be operability shall be corrected within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />, an checked daily by orderly shutdown shall be verifying that the initiated and the reactor shall 'following conditions be placed in the COLD SHUTDOWN do not occur CONDITION within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. simultaneously:

a. The two recirculation loops have a flow imbalance of 15% or more when the pumps are operated at the same speed.

b. The indicated value of core flow rate varies from the value derived from loop flow measure-ments by more than 10%.

c. The diffuser to lower plenum differential pressure reading on an individual jet pump varies from the mean of all jet pump differential pressures by more than 10%.

BFN 3.6/4.6-11 AMENDMENT No. I 2 9 Unit 3

1 e

• 3.6/4.6 PRIMARY SYSTEM BOUNDARY

, e LIMITING CONDITIONS FOR OPERATION SURVEILLANCE REOUIREMENTS 4.6.E. Jet Pumns

2. Whenever there is recirculation flow with the reactor in the j STARTUP or RUN Mode and '

one recirculation pump j is operating, the i diffuser to lower plenum differential pressure shall be I checked daily and the j differential pressure of an individual jet pump in a loop shall l not vary from the mean l q of all jet pump I 4

differential pressures 4

in that loop by more l than lot.

3.6.F Recirculation Pumn Ooeration 4.6.F Recirculation Pumn Oneration l-4

1. The reactor shall not be operated 1. Recirculation pump with one recirculation loop out speeds shall be checked of service for more than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, and logged at least j With the reactor operating, if once per day.

l one recirculation loop is out of i service, the plant shall be placed in a HOT SHUTDOWN <

CONDITION on September 21, 1996,

, at 8:47 pm Central Daylight-a Saving Time, unless the loop is I sooner returned to service.

2. Following one-pump operation, 2. No additional the discharge valve of the low surveillance required.

speed pump may not be opened unless the speed of the faster pump is less than 50% of its rated speed.

3. When the reactor is not in the RUN 3. Before starting either mode, REACTOR POWER OPERATION with recirculation pump both recirculation pumps out-of- durirg REACTOR POWER service for up to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> is OPERATION, check and permitted. During such interval log the loop discharge restart of the recirculation pumps temperature and dome is permitted, provided the loop saturation temperature.

discharge temperature is within 75'F of the saturation temperature BFN 3.6/4.6-12 Unit 3