ML20212B648

Forwards Most Recent Calibr Data from Static O-Ring Differential Pressure Switches Installed at Plant.Data Current as of 870219

ML20212B648
Person / Time
Site:	LaSalle
Issue date:	02/24/1987
From:	Allen C COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
2628K, NUDOCS 8703030611
Download: ML20212B648 (10)

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[f1h Commonwealth Edison f d One First National Plaza. Chicago Illinois

( " / Address Reply to: Post Office Box 767 v Chicago, Illinois 60690 - 0767 February 24, 1987 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555

Subject:

LaSalle County Station Units 1 and 2 SOR Differential Pressure Switch Calibration Data NRC Docket Nos. 50-373 and 50-374

Dear Sir:

l l Attached are the most recent calibration data from the Static "O" Ring differential pressure switches installed at LaSalle County Station.

This data is current as of February 19, 1987.

l If you have any additional questions regarding this matter, please

! contact this office.

l l Ver truly yours, l C. M. Allen Nuclear Licensing Administrator 1m cc: Dr. A. Bournia - NRR Regional Administrator - RIII NRC Resident Inspector - LSCS i

2628K d001 i

B703030611 G70224 PDR ADOCK 05000373 PDR P

CALIBRATION DATA La Salle County Station Units 1 & 2 Reactor Water Level 3 Action Limit: +/- 2.8" W.C.

Rejection Limit: +/ '2.9" W.C.

Calibration Interval

" W.C.

Group Name Switch # 1st 2-wk 2nd 2-wk 3rd 2-wk ist 1-mo 1st 2-mo 2nd 1-mo comments Unit 1 1B21-N024A -0.2 0.5 0.9 0.2 0.8 0.3 l Level 3 Scram 1821-N024B 0.0 1.3 0.3 0.0 0.5 0.1 l

& Isolation 1B21-N024C -0.1 1.1 1.0 -0.1 1.4 0.3 l 1B21-N024D -0.2 2.1 -0.4 0.1 0.5 0.2 l Unit 1 1B21-NO38A -0.8 0.6 0.5 -0.5 0.8 l Level 3 Low 1B21-NO38B -0.4 0.1 0.6 0.1 0.0 l Water Level ADS Comfirmed Unit 2 2B21-N024A -0.6 0.2 0.2 2.5 Level 3 Scram 2B21-N024B 0.3 -0.1 0.2 1.4

& Isolation 2B21-NO24C -0.1 -0.3 0.3 1.7 2B21-N024D -0.1 -0.3 0.3 0.7 Unit 2 2B21-NO38A 0.7 0.3 2.3 4.7 Replaced Level 3 Low 2B21-NO38B 0.3 0.3 0.4 1.8 Water Level ADS Comfirmed Updated 02/19/87

CALIBRATION DATA LaSalle County Station

. Reactor Water Level 2 - Unit 1 Action Limit: +/- 5.4" W.C. (63% of Reject Limit)

Rejection Limit: +/ '8.6" W.C.

Calibration Interval

" W.C.

Group Name Gwitch # 1st 2-wk ist 1-mo ist 1.5-mo ist 2-mo ist 3-mo Comments Reactor Low 1B21-N026AB 0.9 0.7 l Low Level 1B21-N026BB 3.5 3.5 l 3 MSIV 1821-N026CB 0.5 0.8 l

! Isolation AB21-NO26DB 0.7 3.1

< l Reactor 1821-NO31A 0.0 0.5 l Level 2 HPCS 1B21-NO31B 0.0 0.5

Isolation 1B21-NO31C 0.2 0.8

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1B21-NO31D 0.0 0.5 l Reactor 1B21-NO37AB 0.2 1.1 l Level 2 RCIC 1821-NO37BB 1.1 0.7 l Initiation 1B21-NO37CB 0.6 0.1

' l 1B21-NO37DB 0.7 O.O l Updated 02/19/87 J

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CALIBRATION DATA La Salle County Station Reactor Water Level 2 - Unit 2 Action Limit: +/- 5.4" W.C. (63% of Reject Limit)

Rejection Limit: +/ '8.6" W.C.

Calibration Interval

" W.C.

Group Name Switch # 1st 2-wk ist 1-mo 1st 2-mo 2nd 2-mo ist 3-mo Comments Reactor Low 2B21-N026AB 0.3 0.0 Low Level 2B21-N026BB 4.5 -3.8 MSIV 2B21-N026CB 0.8 -0.1 Isolation 2B21-N026DB 2.2 0.3 l Reactor 2B21-NO31A 3.6 -2.7 Level 2 HPCS 2B21-NO31B 0.5 1.8 Isolation 2B21-NO31C 1.5 -0.6 2B21-NO31D 0.4 1.8 i

Reactor 2B21-NO37AB 0.6 -0.5 i Level 2 RCIC 2B21-NO37BB 1.4 1.0 Initiation 2B21-NO37CB 1.2 -0.4 j 2B21-NO37DB -0.2 -0.3-I

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Updated 02/19/87

CALIBRATION DATA LaSalle County Station - Units 1 &2 Reactor Water Level 1 Action Limit: +/- 7.8" W.C. (76% of Reject Limit)

Rejection Limit: +/- 10.2" W.C.

Calibration Interval

" W.C.

Group Name Switch # 1st 2-wk ist 1-mo ist 3-mo Comments Unit 1 1B21-NO37AA 0.8 0.6 l Reactor 1B21-NO37BA 0.6 1.3 l Level 1 ECCS 1B21-NO37CA 1.4 -0.5 l

Initiation 1B21-NO37DA 0.5 1.2 l 1

Unit 2 2B21-NO37AA 0.6 0.1 Reactor 2B21-NO37BA 0.1 -1.0 Level 1 ECCS 2B21-NO37CA 1.0 0.5 Initiation 2B21-NO37DA 1.2 -0.6 Updated 02/19/87 -

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' CALIBRATION DATA La Salle County Station Units 1 & 2 RHR/RCIC Steam Line High Flow RCIC Steam Line High Flow Isolation Isolation Action Limit: +/~'S.4" W.C. (63% of Rej. Lim.) Action Limit:

Rejection Limit: +/- 5.4" W.C.(51% of Rej. Lim.)

+/- 3.6" W.C. Rejection Limit: +/- 10.6" W.C.

Calibration Interval

"-W.C.

Group Name Switch # 1st 3-day _1st 2-mo 2nd 2-mo comments Unit 1 1E31-N007AA 3.0 2.5 0.2 l RHR/RCIC 1E31-N007BA 0.9 0.3 -0.5 Steam Line l 1E31-N007AB 0.3 1.2 -0.1 High Flow Isol 1E31-N007BB 1.5 0.0 l

0.1 l Unit 1 1E31-N013AA 0.4 1.6 1.0 RCIC Steam 1E31-N013BA 1.4 1.0 -1.0 l

Line High l 1E31-N013AB 0.0 3.0 -0.3 Flow Isol l 1E31-N013BB 0.5 1.9 1.8 [

Unit 2 2E31-N007AA 0.5 RHR/RCIC 2E31-N007BA 0.0 Steam Line 2E31-N007AB -0.2 High Flow Isol 2E31-N007BB 4.3 Unit 2 2E31-N013AA 0.3 RCIC Steam 2E31-N013BA 1.2 Line High 2E31-N013AB 0.0 Flow Isol 2E31-N013BB 5.9 Replaced - Diaphragm Failure found in Functional. Testing Updated 02/19/87

' CALIBRATION DATA La Salle County Station Units 1 & 2 RHR Shutdown Cooling Line High Flow Isolation Action Limit: +/- 5.4" W.C. (56% of Reject Limit)

Rejection Limit: +/- 9.6" W.C.

Calibration Interval

" W.C.

4 Group Name Switch # 1st 1.5-mo 1st 2-mo 2nd 2-mo Comments Unit 1 1E31-N012AA -0.5 0.0 l RHR Shutdown lE31-N012BA 2.0 -0.5 l

Cooling Line 1E31-N012AB 0.8 0.3 l Isolation lE31-N012BB 1.3 0.0 l l

Unit 2 2E31-N012AA -4.0 RHR Shutdown 2E31-N012BA -2.0 Cooling Line 2E31-N012AB -3.0 Isolation 2E31-N012BB -0.5 Updated 02/19/87 i

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CALIBRATION DATA LaSalle County Station Unit 1 Main Steam Line High Flow Isolation Action Limit:

To Be Revised to: (after testing)

Rejection Limit:

+/- 8.1 PSID (78% of Rej. Lim.) +/- 4.8 PSID (58% of new Rej. Lim.)

+/ ,10.4 PSID +/- 8.2 PSID Calibration Interval PSID Group Name Switch # 1st 1-mo ist 2-mo ist 3-mo 2nd 1-mo 2nd 2-mo ist 2-mo Unit 1 1E31-N008A 1.0 1.5 -0.6 l Group I 1E31-N008B O.7 2.9 0.2 l MSL High Flow 1E31-N008C 1.0 3.4 0.5 l Isolation 1E31-N008D 4.2 10.3 (Act. Limit) -2.1 l Unit 1 1E31-N009A 1.4 0.3 l Group II 1E31-N009B 1.6 2.2 l MSL High Flow 1E31-N009C 2.6 1.4 l Isolation 1E31-N009D 4.3 0.4 l Unit 1 1E31-N010A 2.3 2.7 l Group III 1E31-N010B 1.9 MSL High Flow 2.0 l 1E31-N010C 2.0 Isolation 1.6 l 1E31-N010D -1.6 4.5 l Unit 1 1E31-N011A 4.4 Group IV 2.0 l 1E31-N011B -0.7 MSL High Flow 1.8 l 1E31-N011C 4.3 Isolation 2.7 l 1E31-N011D 2.9 3.3 l Updated 02/19/87 i

CALIBRATION DATA LaSalle County Station Unit 2 Main Steam Line High Flow Isolation To Be Revised to: (after, testing)

Action Limit: +/- 15.5 PSID +/- 4.8 PSID (58% of new Reject Limit)

Rejection Limit: +/- 15.5 PSID +/- 8.2 PSID Calibration Interval

' PSID Group Name Switch # 1st 1-mo 1st 2-mo 1st 2.5-mo 1st 3-mo Comments Unit 2 2E31-N008A 0.2 0.7 Group I 2E31-N008B 1.8 5.0 MSL High Flow 2E31-N008C 1.0 1.5 Isolation 2E31-N008D -0.2 1.7 Y

l Unit 2 2E31-N009A 2.6 l Group II 2E31-N009B 2.8 l MSL High Flow 2E31-N009C 3.3 1

Isolation 2E31-N009D 3.5 i

Unit 2 2E31-N010A O.5

, Group III 2E31-N010B 1.5 1

MSL High Flow 2E31-N010C 4.4

Isolation 2E31-N010D

. 2.9 Unit 2 2E31-N011A 1.0 Group IV 2E31-N011B 0.1 MSL High Flow 2E31-N011C 3.0 Isolation 2E31-N011D 5.4 i

Updated 02/19/87 ,

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CALIBRATION DATA LaSalle County Station ECCS Minimum Flow - Unit 1 LPCS Min Flow Valve Control HPCS Min Flow Valve Control LPCI Min Flow Valve Control.

Action Reject Limit:

Limit:+/- +/-4.7" W.C.

4.7" (100% RL) Reject W.C. Action Lim:+/-

Lim:+/- 5.3" W.C. (100% RL) Action Limit: +/- 5.3" W.C.(70%

5.3" W.C. Reject Limit: +/- 7.6" W.C.

Proposed A.L.: 3.8" W.C. (80% RL) Proposed A.L.: 4.2" W.C. (80% RL)

Calibration Interval ("W.C.)

Group Name Switch # 1st 2-wk ist 1-mo ist 1.5-mo ist 3-mo Comments LPCS Min Flow 1E21-N004 0.4 Valve Control

, HPCS Min Flow 1E22-N006 0.2 -0.4 l Valve Control i LPCI Min Flow 1E12-N010AA -0.2 0.4 l Valve Control 1E12-N010BA -0.4 0.9 l 1E12-N010CA 0.4 0.8 l ECCS Minimum Flow - Unit 2 LPCS Min Flow Valve Control HPCS Min Flow Valve Control LPCI Min Flow Valve Control Action Limit: +/- 1. 7" W.C. (71% RL) Action Lim:+/- 1.7" W.C. (52% RL)

Reject Limit: +/- 2.4" W.C. Action Limit: +/- 1.7" W.C.(32%i Reject Lim:+/- 3.0" W.C. Reject Limit: +/- 5.3" W.C.

Group Name Switch # 1st 2-wk ist 1-mo 1st 1.5-mo ist 3-mo Comments LPCS Min Flow 2E21-N004 0.1 Valve Control HPCS Min Flow 2E22-N006 0.4 Valve Control

LPCI Min Flow 2E12-N010AA -1.4 0.3 Valve Control 2E12-N010BA 1.4 -0.4 2E12-N010CA -0.2 0.5 Updated 02/19/87