ML13330A360
| ML13330A360 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 07/27/1981 |
| From: | Crutchfield D Office of Nuclear Reactor Regulation |
| To: | Dietch R Southern California Edison Co |
| References | |
| TASK-06-04, TASK-6-4, TASK-RR LSO5-81-07-080, LSO5-81-7-80, NUDOCS 8107300132 | |
| Download: ML13330A360 (3) | |
Text
Ju y 27, 1981 Docket No. 50-206 L§05 07-080 Mr. R. Dietch, Vice President Nuclear Engineering and Operations Southern California Edison Company 2244 Walnut Grove Avenue WXUM Post Office Box 800 CIAIA Rosemead, California 91770
Dear Mr. Dietch:
SUBJECT:
REQUEST FOR ADDITIONAL INFORMATION FOR SEP TOPIC VI-4, CONTAINMENT ISOLATION SYSTEMS (SAN ONOFRE 1)
During our review of SEP Topic VI-4, "Containment Isolation Systems" we found that additional information (see enclosed) is needed to complete our review. Provide your response within 30 days of the receipt of this letter so that our evaluation can be completed in a timely manner.
Sincerely, Dennis M. Crutchfield, Chief Operating Reactors Branch No. 5 Division of Licensing
Enclosure:
Request for Additional Information cc w/enclosure:
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Mr. R. Dietch cc Charles R.. Kocher, Assistant General Counsel James Beoletto, Esquire Southern California Edison Company Post Office Box 800 Rosemead, California 91770 David R. Pigott Chickering & Gregory Three Embarcadero Center Twenty-Third Floor San Francisco, California 94111 Harry B. Stoehr San Diego Gas & Electric Company P. 0. Box 1831 San Diego, California 92112 Resident Inspector/San Onofre NPS c/o U. S. NRC P. 0. Box 4329 San Clemente, California 92672 Mission Viejo Branch Library 24851 Chrisanta Drive Mission Viejo, California 92676 Mayor City of San Clemente San Clemente, California 92672 Chai rman Board of Supervisors County of San Diego San Diego, California 92101 California Department of Health ATTN: Chief, Environmental Radiation Control Unit Radiological Health Section 714 P Street, Room 498 Sacramento, California 95814 U. S. Environmental Protection Agency Region IX Office ATTN: EIS COORDINATOR 215 Freemont Street San Francisco, California 94111
REQUEST FOR ADDITIONAL INFORMATION SEP TOPIC VI-4, CONTAINMENT ISOLATION SYSTEM SAN ONOFRE, UNIT 1 DOCKET NO. 50-206
- 1. Provided a table similar to Table 4.3 of the FSAR, "Valves Required for Containment Isolation."
Include information on the new isolation valves, mentioned in Table 3.2-1 of Amendment 52 to the FSAR.
- 2. Identify all containment penetrations, including piping penetrations, spare penetrations, fuel transfer tube, equipment hatch and personnel airlock(s). For the airlock(s), show the isolation provisions for test instrument and other lines that penetrate the airlock and airlock doors.
Where blind flanges are used, verify that the capability exists for leak testing.
- 3. Identify the signals which isolate the automatic isolation valves, and specify the parameters sensed for each signal.
- 4. Table4.3 of the FSAR references Supplement 1 where lines are considered to be extensions of the containment. Since we no longer have Supplement 1, ease rovide the appropriate information when providing the table requested tem 1.
- 5. Provide updated system design drawings which show the containment isola tion provisions for piping systems that penetrate the containment.