ML20071G170
| ML20071G170 | |
| Person / Time | |
|---|---|
| Site: | Shoreham File:Long Island Lighting Company icon.png |
| Issue date: | 12/04/1978 |
| From: | Joshua Wilson Office of Nuclear Reactor Regulation |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML20071F735 | List: |
| References | |
| FOIA-93-375 NUDOCS 7812260240 | |
| Download: ML20071G170 (9) | |
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4 r.t DEC 4 1978 f
Docket flo:
50-322 ME'10RNIDUM TO: Attached Distribution FROM:
Jerry N. Wilson, Project Manager, Light Water Reactors Branch No. 4, DPM
SUBJECT:
SHOREHAM SER ISSUES There will be a meeting in Mr. Boyd's office on Thursday, December 7,1978, to evaluate the issues identified in the Shoreham Safety Evaluation Report.
The meeting will be jointly chaired by Mr. Boyd, Mr. DeYoung, and Dr. Mattson and will proceed in the sone manner as the Zimer meeting of tiovember 29, 1978. The purpose is to det' imine which items in the attached list are truly unresolved at this time and which ones can be recategorized.
You are requested to attend the meeting to discuss the issues in your area of responsibility. The proposed agenda is as follows:
J. Knight 8:30 a.m.
R. Tedesco 9t30 a.m.
F. Rosa 10:30 a.m.
V. Benaroya 1:00 p.m.
R. Denise 1:30 p.m.
W. Housto:
2:00 p.m.
D. Skovholt 2:30 p.m.
/s /
Jerry Wilson, Project Manaqer Light Water Reactors 3 ranch flo. 4 Division of Project Management 1
Enclosure:
List of unresolved issues 781226Oc2/fO M y
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SHOREHAM ISSUES-1.
DesignBasisFlood_-(2.4.5)(3.4)
The staff's consultant (Coastal Engineering Research Center) does not concur with LILCO's wave runup analysis en the i
intake structure. We are waiting for consultant's analysis to that evaluation of plant flood protection can be completed, j
2.
Intake Canal - (2.5.5)
I We require excavation of land near intake canal to preclude blockage of the canal as a result of liquefaction. LILCO has agreed to perform excavation during the summary of 1979.
3.
InternallyGeneratedMissiles-(3.5.2)
RS81 reviewing value stems and bonnets to determine if they are credible sources of missiles.
Also, they plan to apply l
generic evaluation of missiles resulting from recirculation pump overspeed (B-68) to Shoreham.
4 Pipe Break Analyses - (3.6)
LILCO plans to submit information on the ef fects of moderate and high-energy pipe breaks in December,1978 for ASB review.
5.
Pool Dynsmic loads - (3.8.1) (3.8.2) (6.2.1.4) ( 6.2.1./)
LILCO plans to submit Mark !! Closure Report in December,1975.
CSB and SEB will evaluate containment design for these loads.
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6.
SeismicQualificationofMechanicalEeulpment--(3.9.1.2)
LILCO plans to submit cualification information for BOP l
on March 15, 1979.
(NSS review at Shoreham or G.E.?) ~
7.
LOCA Loadings - (3.9.1.4) (5.2.1)
LILCO plans to submit an evaluation of reactor intervals and reactor vessel supports regarding asymetric blowdewn in early 1979.
8.
Seismic Category i Components - (3.9,2.1)
MEB must review design basis for Code Class 2 and 3 pressure retaining components supplied by Stone & '.lebtter. GE components acceptable.
9.
Pipe duopert Base Plates - (3.9.2.1) (5.0.1)
MEB must determine adequacy of pipe supoort base plates.
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- 10. Operability of Active Pumps & Valves - (3.9.2.2) (5.2.1)
MEB must determine if additional testing is necessary to assure the structural integrity of active pumps and valves.
SQRT visit.
- 11. Electrical Protective Relays _ - (3.10)
PSB must determine acceptability of seismic design of these relays during SQRT visit.
12.
Seismic Oualificat, ion of Instrumentaticn and Electrical Equipment __ - ( 3.10) (7.5)
PSB must audit qualification information for seismic Category I equipment at Shoreham site.
SQRT visit.
- 13. MSiv Control System - (3.11)
The at.tuating solenoids for Shoreham MS!Vs are different from the referenced topical report APED-5750A. PSB wants LILCO to establish applicability of topical report or substantiate Shoreham design.
14 Topical Reoort flE0M-10672_ - (3.11)
The review of flE0tt-10672, " Environmental Qualification Test of Vertical Induction Motor for ECCS Service in fluclear Power Plants," is not complete. PSB must apply the evaluation to Shoreham.
15.
Environmental Oualification of Electrical Eauipment_ - (3.11)
(8.4.3) (8.4.8)
PSB must audit environmental qualification documentation at Shoreham sito.
SQRT visit.
16.
GEXL Correlation - (4.4)
Although it is acceptable for initial core load, AB is concerned that GEXL correlation may not be conservative for reload operation. License condition.
i 17 Peach Bottom Turoine Trio Tests - (4.4) (5.2.4) (15.1)
LlLCO must evaluate these tests and assess the conservatism of the transient analysis methods described in NECO-10802.
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- 18. MCPR_-(4.4)
Af ter completion of item 17, the minimum critical power ratio must be recalculated taking into consideration the turbine trip without bypass event.
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- 19. Loose Parts Monitoring System - (4.4)
AB requires LILCO to install a vibration and loose parts monitoring system acceptable to the staff. License condition.
20.
Control Rod Drive Pump Trip - (4.6)
LILCO stated that operator has 20 minutes to bring second pump on-line or initiate manual scram following CR0 pump trip l
at low reactor pressure.
RSB requires periodic demonstration of this capability and must resolve test procedures and frequencies with LILCO.
- 21. CR0 System Return Line Reroute - (4.6) (f. 2.10)
LILCO plans to cut and cap return line to minimize potential for pipe cracking. RSB will require LILCO to submit system perfonnance data and conform to conclusions of generic studies.
- 22. FeedwaterNozzle-(5.2.1)
LILCO plans to use the new GE design for nozzle junction. The review of this design has not been completed by MEB and MIES.
- 23. OverpressurizationProtection_-(5.2.4)
The basis for sizing Shoreham's safety valves does not meet cu'rrent staff requirements. RSB must determine if SRP is too restrictive.
- 24. Target Rock Safety / Relief Valves _ - (5.2.4) (6.3.1)
Qualification testing is underway. RSB requires additional discussion on design and testing of these valves to evaluate their reliability. We will also require LILCO to participate in the GE surveillance program.
25.
InserviceInspectionProoram_-(5.2.6)
Preservice inspection program under review by MTEB (may require some exemptions). L!i.C0 plans to submit Inservice Inspection Program in January,1980.
It is not clear which code will be applicable to Shoreham (Revision 50.55a(g)?),
4-26.
Leakage Detection for RCPB - (5.2.7)
RSB requires additional information frcm LILCO with regard to:
a list of the valves used to prevent intersystem leakage (a) and plans to test these valves in accordance with ASME Section XI requirements; (b) justification showing that two leax detection systems will be operational following an OBE; and (c) confirmation that procedures for convertin.J various indications to tne connon leakage equivalent will be available to the operators.
(Reg. Guide 1.45, Reg. Pos. 7).
- 27. M ndix G.- (5.3.1)
We have determined that the Shoreham reactor vessel cannot achieve full compliance with Appendix G.
MTEB review to identify all areas of noncompliance recuiring an exemption will be delayed until rule change or imminent issuance of OL.
- 28. AopendixH-(5.3.1) l We have determined that the Shoreham surveillance program cannot achieve full ecmpliance with Appendix H.
MTE8 review to identify all areas of eloncompliance requiring an exemption will be delayed until rule change or imminent issuance of OL.
Reactor Core Isolation Coolino System - (5.4.1) (7.4.1) 29.
RSD cannot complete res iew until items 1, 3, 4, and 35 are resolved.
PSB requires LILCO to protide for automatic closing of RCIC pump suction volve in the even of a steam supply line break, to demonstrate that !&C satifies all requirements of a ESF system, and to modify design to include automatic transfer of pump suction from condensate storage tank to suppression chamber.
Residual Heat Removal System - (5.4.21 (6.3.1) (7.4.2) 30.
RHR does not moot GDC 34 RSB requires additional description and testino of modified air system for alternate letdown path through safety / relief valves.
They also reouire a startup test commitment for this method. RSB cannot complete review until items 1, 3, 4, and 35 are resolved, PSB is monitoring the RSB review.
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. 31.
Subcompartment Pressure Analysis - (6.2.1.5)
LILC0 is preparing additional analysis of sacrificial shield region for SEB and CSB review.
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- 32. Mass and Enercy Pelease Rates _- (6.2.1.5)
AB requires LILCO to justify the analytical methodology used to determine short term mass and energy release rates for annulus pressurization analyses.
- 33. Steam Bypasl - (6.2.1.6) (7.3.6)
CSB is reviewing LILCO's proposal to mitigate steam bypass PSB is monitoring concerns by manual actuation of drywell spray.
the CSB review.
Bulk Pool Temocrature limit - (6.2.1.7.5) (6.2.2) 34.
i LILCO plans to submit Mark !! Clossrc report in December,1978.
j CSB will review temperature limit justification,
- 35. Containment Isolation - (6.2.4) (6.3.1) f LlLCO is preparing additional justification of containment isolation design for CSB reviev.
- 36. Containment Leakage Testing _- (6.2.6)
LILCO is preparing additional infonnation to demonstrate compliance with Appendix J.
- 37. Component Cooling Water - (6.3.1)
MEB reviewino seismic qualification of component cooling water to recirculation pump seals for RSS action.
Passive Failures - Post LOCA - (6.3.1) 38.
LILCo is preparing additional information for RSB review.
RSB must determine if Shoreham can prevent leakage frcm flooding safety related equipment.
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- 39. Manual ADS - (6.3.2)
For pipe breaks outsido containment, RSB must verify that 10 minutos is availabio for ocerator action to initiata adequate core cooling. LILCO plans to submit additional i
information on December 27, 1978.
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MSIV Leakage Control System - (6.6) (7.6.8) (8.4.7) (15.3.3)
AAB requires interlock between inboard MSIV and inboard MSIV-LCS.
PSB must complete review of this system including verification that single failures will not lead to releases exceedino Part 100 and manual control to bypass thermal overload protection for motor-operated valves.
41 Reactor Trip System Power Supply - (7.2.5)
PSB will apply generic resolution to Shoreham.
42 LPCI - (7.3.1)
LILCO has agreed to our requirement for redundant valve position indication, however PSB wants to verify the design implementation.
- 43. Hydrogen Recombiner - (7.3.7)
This system was licensed for Hatch 2 and found acceptable by CSB.
however PSB wants to review the !&C.
44 Remote Shutdown System - (7.4.3)
PSB plans to review this system with regard to fire hazard analysis and a future sito visit.
45.
Refueling Interlocks System - (7.6.1)
PSB cannot complete review until items 47 and 52 are resolved, 46.
LeakageDetectionSystem,-(7.6.2)
PSB is reviewing the [1C for this system.
LILCO will provide j
infonnation in FBOC report, a
f 47.
RodBlockMonitor_-(7.6.4)(15.1)
PSB will apply the results of the Zimer review to Shoreham.
48.
Rod Sequence Control System - (7.6.5) (15.1) l PSB will apply the results of the Zimmer review to Shoreham.
"STARTREK" System - (7.6.6) 49.
f PSB wants to review installation of this system to verify that i
design implemented in same manner as Zimer.
.. 50. Motor Space Heater - (7.6.6)
LILCO has agreed to incorporate the capability for monitoring removal of power from each motor space heater, however PSB wants to verify the design implementation.
51.
Non-SafetyGradeEcuipment-(7.6.11)(15.1)
PSB will apply the results of our generic review on the use of non-safety grade equipment to mitigate the effects of anticipated occurrences to Shoreham.
52.
Reactor Manual Control System - (7.7)
PSB will apply the results of the Zimmer review to Shoreham 53.
Diesel Generator Test - (8.3.1)
PSB requires demonstration of capability of diesel generators to start or carry loads 10 percent greater than the most severe single step load within design load sequence.
54 Recirculatier Pump Motor - (8.4.3)
LILCO has agreed to use two Class !E circuit bre ders with each motor, however PSB wants to verify the design implementation.
- 55. Non-Class 1EPenetrations_-(8.4.3)
LILCO has agreed to provide backup fault protection for these penetrations, hcwever PSB wants to verify the design implement 3 tic,
480 Volt Class IE Motor.0 cerated Valves - (8.4.3) 56.
LILCO has agreed to provide backuo fault protection for these penetrations, however PS8 wants to verify the design implementatien,
- 57. FireProtection-(9.5.1)
LILCO is preparing responses to ASB and PSD questions on fire protection (December 8,1978).
58.
Emeraency Planning - (13.3)
LILCOispreparingonamendmentonemergencyplanning.
59, industrial Security - (13.7)
LILCO submitted a security plan and amendments thereto on August October 14,1977, and August 18, 1978. We have not completed our review.
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60.
RPSResponseTimeTes_t_-(14.0)
QAB requires acceptance criteria for response time tests of RPS channels which account for delay time of process-to-sensor coupling.
Turbine Trip Initiated by a seismic Event - (15.1.1) 61.
AAB, RSB, and ICSB must complete their review of this
- 62. Financial Qualifications _ - (20.0)
We have not yet issued our financial qualification questions to LILCO.
- 63. TLTA Tests _?
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