ML16341A388
| ML16341A388 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon  |
| Issue date: | 11/14/1984 |
| From: | Knighton G Office of Nuclear Reactor Regulation |
| To: | Shiffer J PACIFIC GAS & ELECTRIC CO. |
| References | |
| NUDOCS 8411280537 | |
| Download: ML16341A388 (8) | |
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Docket No.:
50-323 DISTRIBUTION
.53-'323 NRC PDR Local PDR Hr. J.
D. Shiffer, Vice President NSIC Nuclear Power Generation PRC System c/o Nuclear Power Generation, Licensing LBk'3 Reading Pacific Gas and Electric Company JLee 77 Beale Street, Room 1451 HSchierling San Francisco, California 94106 LChandler, OELD RBosnak
Dear fIr. Shiffer:
JPKnight
Subject:
Piping and Pipe Supports - Request for Additional Information During the week of October 22, 1984 NRC staff and consultants audited, at the PG8E/Bechtel Offices in San Francisco, designs of piping and pipe supports for Diablo Canyon Unit 2.
Based on the audit we have determined that the informa-tion identified in the enclosure is required for our evaluation regarding a
conclusion on the adequacy and qualification of the Unit 2 piping and pipe supports.
We request that you provide the information within one week of receipt of this letter.
Sincerely,
Enclosure:
As stated cc:
See next page offlGINALslGHEO Bv 4
George W. Knighton, Chief Licensing Branch No.
3 Division of Licensing DL:LBg3 D
HSchier ng/yt hton
'lip/84 11/jf /84 84ii280537 84ili4 PDR ADOCK 05000323, PDR'
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Hr. J.
D. Shiffer, Vice President Nuclear Power Generation c/o Nuclear Power Generation, Licensing Pacific Gas and Electric Company 77 Beale Street, Room 1451 San Francisco, California 94106 Philip A. Crane, Jr.,
Esq.
Pacific Gas
& Electric Company Post Office Box 7442 San Francisco, California 94120 Hr. Malcolm H. Furbush Vice President
- General Counsel Pacific Gas
& Electric Company Post Office Box 7442 San Francisco, California 94120 Janice E. Kerr, Esq.
California Public Utilities Cormission 350 HcAllister Street San Francisco, California 94102 Hr. Frederick Eissler, President Scenic Shoreline Preservation Conference, Inc.
4623 More Mesa Drive Santa
- Barbara, Ca 1 iforni a 93105 Hs. Elizabeth Apfelberg 1415 Cozadero San Luis Obispo, California 93401 Mr. Gordon A. Si iver Ms. Sandra A. Silver 1760 Alisal Street San Luis Obispo, California 93401 Harry M. Willis, Esq.
Seymour
& Willis 601 California Street, Suite 2100 San Franc i sco, California 94108 Hr. Richard Hubbard MHB Technical Associates Suite K
1725 Hamilton Avenue San Jose, California 95125 Hr. John Harrs, Managing Editor San Luis Obispo County Tele ram Tribune o nson venue P. 0.
Box 112 San Luis Obispo, California 93406 Diablo Canyon Resident Inspector/Diablo Canyon NPS c/o US Nuclear Regulatory Coneission P.
0.
Box 369 Avila Beach, California 93424 Hs.
Raye Fleming 1920 Mattie Road Shell Beach, California 93440 Joel
- Reynolds, Esq.
John R. Phillips, Esq.
Center for Law in the Public Interest 10951 West Pico Boulevard Third Floor Los Angeles, California 90064 Hr. Dick Blankenburg Editor
& Co-Publisher South County Publishing Company P. 0.
Box 460 Arroyo Grande, California 93420 Bruce Norton, Esq.
Norton, Burke, Berry & French; P.C.
202 E.
Osborn Road P.
0.
Box 10569
- Phoenix, Arizona 85064 Hr.
W.
C. Gangloff Westinghouse Electric Corporation P.
0.
Box 355 Pittsburgh, Pennsylvania 15230 David F. Fleischaker, Esq.
P. 0.
Box 1178 Oklahoma City, Oklahoma 73101
Arthur C. Gehr, Esq.
Snell 8 Wilmer 3100 Valley Center
- Phoenix, Arizona 85073 Mr. Lee H. Gustafson, Director Federal Agency Relations Pacific Gas 5 Electric Company 1050 17th Street, N.W.
Suite 1180 Washington, DC 20036 Regional Administrator - Region V
US Nuclear Regulatory Commission 1450 Maria Lane Suite 210 Walnut Creek, California 94596 Dr. Jose Roesset 3506 Duval Road Austin, Texas 78759 Mr. Thomas Devine Government Accountability Project Institute for Policy Studies 1901 Que Street, NW Washington, DC 20009 Michael J. Strumwasser, Esq.
Special Council to the Attorney General State of California 3580 Wilshire Boulevard, Suite 800 Los Angeles, California 90010 Hr.
Tom Harris Sacremanto Bee
. 21st and 0 Streets Sacramento, California 95814 Hr.
H. Daniel Nix California Energy Commission 1516 9th Street, HS 18 Sacramento, Cali fornia 95814 Lewis Shollenberger, Esq.
US Nuclear Regulatory Commission Region V
1450 Maria Lane Suite 210 Walnut Creek, California 94596
Enclosure Diablo Canyon Unit 2 Request for Additional Information Piping and Pipe Supports 1.
Provide the methodology used by W for piping support base plate analysis, including flexibilityeffects.
Show that this has been reviewed and accepted by the
- OCP, and that it corresponds to that used by PGSE and Bechtel.
2.
Provide the verification of the computer program PIPSAN used by W for analyzing piping supports.
Show that this program has been
- reviewed, verified and approved by the DCP.
3.
Show that the DCP has verified that W has included in the W piping support design criteria all changes reflected in OCM-M9, Rev.
11 "Guidelines for Design of Class 1 Supports."
4.
Provide the basis for specifying a tolerance of +105 on modulus of elasticity as stated in PGRE "Procedure for Piping Stress
- Analysis, Diablo Canyon Units 1 and 2," Procedure P-ll, Rev. 7, and W document AM-SSA-2577, Vol. 1, Rev. 3, March 1983.
5.
Provide the procedures and design documents used by Bechtel-Gaithersburg for the analysis of piping and piping supports at Diablo Canyon Unit No.
2, including the document "Project Instruction Manual for Piping Stress Analysis-DC 2, Job.
No. 15320-003, Rev. 1."
6.
Provide the following W documents:
a.
CD-107, Rev.
5 "Pipe Support and Evaluation Procedure" Diablo Canyon Unit 2 b.
PIPSAN (Pipe Support Analysis)
Users
- Manual, Rev. 0, 1983.
l P
1,