ML20024A961
| ML20024A961 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 01/27/1981 |
| From: | GENERAL PUBLIC UTILITIES CORP. |
| To: | GENERAL PUBLIC UTILITIES CORP. |
| References | |
| TASK-03, TASK-3, TASK-GB GPU-0037, GPU-37, NUDOCS 8307010229 | |
| Download: ML20024A961 (2) | |
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RESPONSE TO THI-2 CONCERNS trp O'
TASK DESCRIPTION i. tITi L. e R
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TITLE: MAIN FEEDWATER SYSTEM RELIABILITY LEAD SECTION HGR.:
E. A. WDMAC_K, C
1.
OBJECTIVE:'
THE PURPOSE OF THIS TASK IS TO ANALYZE OPERATIriG PLANT DATA.
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TO THE RPS AND PROTECTION SYSTEMS.
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l THE DELIVERABLE PRODUCTS FOR THIS TASK ARE PROGRESS REPORTS AND 1
A FINAL TECHilICAL REPORT WHICH WILL SUMMARIZE AND DESCRIBE IN DETAIL THE FINDIriGS AND RECO.vEtiDATIONS. A BOP CRITERIA DOCUMENT f*
2 WILL BE PREPARED FOR B&W NSSS.
2.
BACKGROUtiD:
tiRC/ACRS POST TMI-2 IriCIDENT REVIEW OF FEEDWATER SYSTEMS AND THEIR RELIABILITY IriDICATE THAT UPSETS IN THE MA.IN FEEDWATER 1
3 m,, "1EM OF_.P&M.,Py"UESULT_IN.F. ORE FREQUENT AND MORE SERIOUS t
CHALLENGES TO THE RPS Arid SAFETY SYSTEMS THAN IN PWR COMPETITOR ~
PLANTS. RESULTS TO DATE TROM THE OPERATING PLANT DATA INDICATE THAT THERE ARE A LARGE tiUMSER OF FEEDWATER SYSTEM UPSETS (64 0F A
yg 246 REACTOR TRIPS A'lALYZED) THAT LEAD TO REACTOR TRIPS AND f,,
g g ph jn NALLENGES TO THE SAFETY SYSTEM. THE OPERATING PLANT DATA I
- 75. O I N.50 INDICATE THAT SIGNIFICANT bet". FITS IN AVAILABILITY CAN Charles Shapiro CSR i
Doyle Reacrting Inc.
BE ACHIEVED THROUGH IMPROVEMENTS IN MAIN FEED WATER SYSTEM l h"7 RELIABILITY.
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PROBLEM DEFINITION:
THE LONG TERM (WEEKS + MONTHS WITHOUT SIGNIFICANT UPSET)
O RELIABILITY '0F THE MAlti FEEDWATER SYSTEM (INCLUDING CONDENSER.
i HOTWELL CONDENSATE SYSTEM AND THE MAI!I FEEDWATER SYSTEM) CAN J
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BE SIGNIFICN RLY IMPROVED BY A SYSTEMATIC.dLIABILITY AliALYSIS o
AND BY SYSTEMATIC REVIEW AND Af,iALYSIS OF OPERATING PLANT DATA.
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MULTIPLE FAILURES, OR UPSETS OF ALL OR COMSINATI0 tis OF EQUIPMENT)
THOSE FEEDWATER SYSTEM COMPONENTS MOST VULtiERABLE BY DESIGN,
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l OPERAT10 tis, ARRANGEMEfiT ETC. TO MISOPERATION, AliD WILL CONARE O'
i "THE RESULTS OF THE RELIABILITY ANALYSIS WITH OPERATIfiG PLANT -
-l DATA TO' ESTABLISH THE MOST PRODUCTIVE IMPROVEMENTS.
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ACTION PLAN:
PLEASE REFER TO ATTACn1 TENT 1.
5.
SCHEDULE:
OVEitALL TASK 18 HONTHS.
SEE-ATTACHMENT 2 FOR t'ETAILS.
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RESPONSIBLE ENGINEER:
J.D. CARLT0fi TO DELEGATE h. RESPONSIBLE 7
PM/ORGANI-ZATION:
177 OWNER'S GROUP / SERVICES PROJECT MAliAGEMENT.
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8.
GAli!ZATIONS:
PLANT INTEGRATION SAFETY #iALYSIS TECH STAFF ECCS GI COMPO!iENT EliGIliEERING 9.
REFERE!!CES:
1.
OPERATING PLANT DATA C
2.
CUSTOMERS AS BUILT DESIGN AND PERFORMA! ICE CHARACTERISTICS O
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