ML16341A287
| ML16341A287 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon  |
| Issue date: | 09/18/1984 |
| From: | Knighton G Office of Nuclear Reactor Regulation |
| To: | Schuyler J PACIFIC GAS & ELECTRIC CO. |
| References | |
| NUDOCS 8410020431 | |
| Download: ML16341A287 (8) | |
Text
Docket Nos.:
50-275 and 50-323 SEP le 1984 Nr. J. 0. Schuyler, Vice President Nuclear Power Generation c/o Nuclear Power Generation, Licensing Pacific Gas and Electric Company 77 Beale Street, Room 1435 San Francisco, California 94106
Dear Hr. Schuyler:
DISTRIBUTION sa-vrCszs PRC System RVollmer Local PDR JPKnight NSIC RBosnak PRC System MHartzman LB¹3 Reading JLee HSchierling NGrace EJordan LChandler, OELD ACRS (16)
Subject:
Piping and Supports - Request for Additional Information During our recent review of piping and support matters related to the full power license for Diablo Canyon Unit 1, specifically as related to License Condition 2.C.(11)
Item 7, we indicated the need for information as listed in the enclosure.
The information is to confirm the results for Unit 1 and will also be applied in our review of similar matters for Unit 2.
We request that you provide the information within two weeks of receipt of this letter.
Sincerely,
Enclosure:
As stated cc:
See next page George W. Knighton, Chief Licensing Branch No.
3 Division of Licensing
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Mr. J. 0. Schuyler, Vice President Nuclear Power Generation c/o Nuclear Power Generation, Licensing Pacific Gas and Electric Company 77 Beale Street, Room 1435 San Francisco, California 94106 Philip A. Crane, Jr.,
Esq.
Pacific Gas 8 Electric Company Post Office Box 7442 San Francisco, California 94120 Mr. Malcolm H. Furbush Vice President - General Counsel Pacific Gas 8 Electric Company Post Office Box 7442 San Francisco, California 94120 Janice E. Kerr, Esq.
California Public Utilities Commission 350 McAllister Street San Francisco, California 94102 Mr. Frederi ck Ei ss 1 er, Pres ident Scenic Shoreline Preservation Conference, Inc.
4623 More Mesa Drive Santa Barbara, California 93105 Ms. Elizabeth Apfelberg 1415 Cozadero San Luis Obispo, California 93401 Mr. Gordon A. Silver Ms. Sandra A. Silver 1760 Alisal Street San Luis Obispo, California 93401 Harry M. Willis, Esq.
Seymour 5 Willis 601 California Street, Suite 2100 San Francisco, California 94108 Mr. Richard Hubbard MHB Technical Associates Suite K
1725 Hamilton Avenue San Jose, California 96125 Mr. John Marrs, Managing Editor San Luis Obis o Count Tele ram Tribune 3
1 Jo nson venue P. 0.
Box 112 San Luis Obispo, California 93406 Diablo Canyon Resident Inspector/Diablo Canyon NPS c/o US Nuclear Regulatory Commission P. 0.
Box 369 Avila Beach, California 93424 Ms.
Raye Fleming 1920 Mattie Road Shell Beach, California 93440 I
Joel Reynolds,'sq.
t3 John R. Phillips, Esq.
Center for Law in "the Public Interest 10951 West Pico Boulevard Third Floor, Los Angeles, California 90064 Paul C,'. Valentine, Esq.
321 Lytton Avenue Palo Alto, California 90064 Dr. William E. Cooper Project Manager - 5511 Teledyne Engineering Services 130 Second Avenue Waltham, Massachusetts 02254 Mr. Dick Blankenburg Editor
& Co-Publisher South County Publishing Company P. 0.
Box 460 Arroyo Grande, California 93420 Bruce Norton, Esq.
Norton, Burke, Berry 5 French, P.C.
202 E. Osborn Road P. 0.
Box 10569
'hoenix, Arizona 85064 Mr.
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
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Arthur C. Gehr, Esq.
Snell 5 Wilmer 3100 Valley Center Phoenix, Arizona 85073 Mr. Lee M. 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 Comoission 1450 Maria Lane Suite 210 Walnut Creek, California 94596 Dr. Jose Roesset 3506 Duval Road Austin, Texas 78759 Michael J. Strumwasser, Esq.
Special Council to the Attorney General State of California 3580 Wilshire Boulevard, Suite 800 Los Angeles, California 90010 Mr. Tom Harris Sacremanto Bee 21st and 0 Streets Sacramento, California 95814 Mr. H. Daniel Nix California Energy Commission 1516 9th Street, MS 18 Sacramento, California 95814 Lewis Shollenberger, Esq.
US Nuclear Regulatory Comnission Region V
1450 Maria Lane Suite 210 Walnut Creek, California 94596 Mr. Thomas Devine Government Accountability Project Institute f'r Policy Studies 1901 gue Street, NW Washington, DC 20009
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Diablo Canyon Nuclear Power Plant, Unit 1 and Unit 2 Request for Additional Information Piping and Supports (License Condition 2.C.(11)
Item 7)
Provide the following information:
1.
Latest revision of PGKE Design Criteria Memorandum (DCM)
No. M-9, "Guidelines for Design of Class 1 Pipe Supports".
2.
Latest revision of PGSE DCM PM-40, "Non Computer Analyzed PGSE Class 1 Piping."
3.
Latest revision of PG&E Instruction g1-6, "Pipe Support Allowables."
4.
Latest revision of PGSE Drawing 4'049243, "Standard Supports for Design Class 1 Piping Two Inches and Smaller."
5.
Numerical information from each Unit 1 computer analyzed small bore piping support package and each of the sample large bore Unit 1 piping support package as applicable:
a.
for the member with the largest warping normal stress
,i.
type of member (M or channel)
'i. 'aximum warping normal stress iii.
corresponding axial stress iv.
corresponding axial stress v.
bending stress allowable
. b.
for'the member with the largest warping torsional stress ll'i.
type of member ii.
maximum warping torsional stress iii. 'orresponding pur torsional shear stress iv.
corresponding bending shear stress v.
shear stress'-allowable
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