ML20155J284
| ML20155J284 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 11/06/1998 |
| From: | Scherer A SOUTHERN CALIFORNIA EDISON CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| REF-GTECI-MI, REF-GTECI-SC, TASK-***, TASK-OR NUDOCS 9811120078 | |
| Download: ML20155J284 (2) | |
Text
i...
SOUTHE RN CAllIORNI A A Edward Scherer EDISON 2 % ~ mm a
an unsovivnuunour c ""'
November 6, 1998 U.S. Nuclear Regulatory Commission ATTN:
Document Control Desk Washington, D.C.
20555-0001 Gentlemen:
Subject:
Request for Information to Support Resolution of Generic Safety Issue (GSI) 165, " Spring-Actuated Safety and Relief Valve Reliability."
San Onofre Nuclear Generating Station Units 2 and 3
References:
1)
June 8,1998 letter from James W. Clifford (NRC) to Harold B.
Ray (SCE),
Subject:
Request for Information to Support Resolution of Generic Safety Issue (GSI) 165, " Spring-Actuated Safety and Relief Valve Reliability."
The NRC letter dated June 8, 1998 stated that the NRC's Office of Nuclear Regulatory Research was currently in the process of resolving GSI 165 and was requesting voluntary information on spring-actuated safety and relief valves.
Enclosed is the information requested.
If you have any questions or would like additional information, please let me know.
'l'/
Sincerely,
/fD/
Enclosure:
cc:
E. W. Merschoff, Regional Administrator, NRC Region IV J. A. Sloan, NRC Senior Resident Inspector, San Onofre Units 2 & 3 J. W. Clifford, NRC Project Manager, San Onofre Units 2 and 3 9811120078 981106 PDR ADOCK 05000361 P
PDR P. O. Ik>x !28 San Clemente. CA 92674-0128,,,npnO 949,368-7501
~,
l'as 949 368-7575
i Requested Data for SONGS Plant A
Item Drawing Valve i.d.
Manufacturer Model Orifice size' Set pressure HPSI Header 40112CS03 3PSV9320 Crosby Valve JR-WR-S-SPL
.016 sq in 1900 psig No. I Relief Valve l
HPSI Header 40112CS03 3PSV9321 Crosby Valve JO-65-WR-S-
.307 sq in 2735 psig No. 2 Relief SPL Valve Emergency 40179A 2/3PSV9881A Crosby Valve JR-WR
.043 sq in 150 psig Cooling Units 40180A 2/3PSV9881B E255 and E257 2
EDG air tank SRV 40110ES03 3PSV-5921 A Anderson 83MS4040LG-
.049 sq in 220 psig 7
Greenwood N3 EDG air tank SRV 40110ES03 3PSV-5921B Anderson 83MS4040LG-
.049 sq in 220 psig Greenwood N3 EDG air tank SRV 40110FS03 3PSV-5921C Anderson 83MS4040LG-
.049 sq in 220 psig Greenwood N3 EDG air tank SRV 40110FS03 3PSV-5921D Anderson 83MS4040LG-
.049 sq in 220 psig Greenwood N3 t
3 Orifice size or rated flow at rated pressure.
2 If there are relief valves associated with the Chilled Water supply to the Emergency Cooling Units, please fill in the matrix for each valve.
n
.