ML17056B881
| ML17056B881 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 05/21/1992 |
| From: | Anderson C NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | Sylvia B NIAGARA MOHAWK POWER CORP. |
| References | |
| GL-89-10, NUDOCS 9206020201 | |
| Download: ML17056B881 (8) | |
Text
NAY 21 59K Docket Nos.
50-220 50-410 Mr. B. Ralph Sylvia Executive Vice President - Nuclear Niagara Mohawk Power Corporation Nine Mile Point Post Office Box 63, Lake Road Lycoming, New York 13093
Dear Mr. Sylvia:
Subject:
Information Requested for Upcoming Motor-Operated Valve Inspection of Your Generic Letter 89-10 Response A list of material requested for preparation for our upcoming motor-operated valve inspection is provided in the attached Enclosure.
Please provide this information, for each unit, to Mr. J. Trapp, the MOV team leader, by June 15, 1992. Ifyou have any questions regarding the content of this request, please contact Mr. J. Trapp at 215-337-5186.
Your cooperation with us in this matter is appreciated.
Sincerely, or igtn'al Sfoned By:
('1i fI'or d J. Anderson Clifford J. Anderson, Acting Chief Engineering Branch Division of Reactor Safety
Enclosure:
Information requested for MOV team inspection.
9206020201 92052i PDR AoaCX 0@000220 Q
MAY 81 692 Mr. B. Ralph Sylvia cc w/encl:
J. Firlit, Vice President - Nuclear Generation C. Terry, Vice President - Nuclear Engineering J. Perry, Vice President - Quality Assurance S. Wilczek, Jr., Vice President - Nuclear Support K. Dahlberg, Unit I Plant Manager M. McCormick, Unit 2 Plant Manager D. Greene, Manager, Licensing J. Warden, New York Consumer Protection Branch G. Wilson, Senior Attorney M. Wetterhahn, Winston and Strawn Director, Power Division, Department of Public Service, State of New York C. Donaldson, Esquire, Assistant Attorney General, New'York Department of Law Public Document Room (PDR)
Local Public Document Room (LPDR)
Nuclear Safety Information Center (NSIC)
NRC Resident Inspector State of New York, SLO Designee bcc w/encl:
Region I Docket Room (with concurrences)
W. Lanning, DRS C. Cowgill, DRP J. Yerokun, DRP L. Nicholson, DRP S. Greenlee, DRP W. Schmidt, SRI - Nine Mile R. Lobel, OEDO R. Capra, NRR J. Menning, NRR D. Brinkman, NRR DRS SALP Coordinator RI:DRS Trapp 512'/92 RI:DRS Anderson g)A S/z//02 OFFICIAL RECORD COPY C:NINEMILE.JIM
NINE MILEPOINT GL 89-10 MOV INSPECTION
Subject:
Documentation requested Inspector:
Jim Trapp, Region I, 215-337-5186 Inspection Dates:
June 22-26, 1992 1.0 GL 89-10 Program Description.
2.0 List of MOVs included in program.
3.0 Listing of MOVs in safety-related systems which were NO'F included in GL 89-10 program and reason for not including them.
4.0 Organization chart for MOV program staff.
5.0 Schedule showing completion projections for GL 89-10 commitments.
6.0 P8cIDs for systems which include GL 89-10, Supplement 3 valves (HPCI, RCIC, RWCU, etc.).
7.0 Design Basis Reviews:
Procedures describing design basis review methodology, Design basis reviews (including Max. Delta-P, flow rates, line pressure, process temperature) for,HELB isolation MOVs described in GL 89-10, Supplement 3.
Design basis reviews for other GL 89-10 valves should be available during the inspection.
Degraded voltage studies for GL 89-10, Supplement 3 valves.
8.0 Sizing and Switch Setting Calculations:
Any procedure or design standard used to perform torque switch settings.
Sizing and switch setting calculations for GL 89-10, Supplement 3.
/
9.0 MOV Capability Demonstrations:
Procedure providing guidance on performing dynamic or static testing of MOVs.
List of valves to be dynamic tested {ifavailable).
10,0 Failure Analysis & Trending:
Procedures used or to be used to conduct trending of MOVs per GL 89-10.
11.0 Control of MOV switch settings:
Setpoint control procedure and/or data base used to control torque switch settings.
12.0 Maintenance:
Procedure used for MOV actuator maintenance.
Procedures for controlling MOV actuator preventative maintenance.
13.0 Limitorque Corp. 10 CFR Part 21 Notification {11/3/88)
Subject:
Failures of Malamine torque switches installed at Washington Public Power Supply System resulting from post mold shrinkage of Malamine.
14.0 Limitorque Corp. 10 CFR Part 21 Notification (11/3/88)
Subject:
Elevated ambient temperature effects on RH insulated dc motors.
RH insulated motors may not develop full rated torque at elevated ambient temperatures.
15.0 Limitorque Corp. 10 CFR Part 21 Notification (3/20/89)
Subject:
A SMB-000 torque switch failure occurred at two plants as a result of the stationary contact screws loosing on the side of the torque switch which had fiber spacers.
16.0 Limitorque Maintenance Update 88-2
Subject:
Hydraulic Lock of Limitorque Valve Actuators.
17.0 Limitorque Maintenance Update 89-1
Subject:
Maximum Torque Switch Settings.
18.0 Limitorque Maintenance Update 90-1
Subject:
Hydraulic Lock and Spring Pack Relaxation.
19.0 GL 89-10 Correspondence between licensee and NRC.