ML19263D624
| ML19263D624 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 03/08/1979 |
| From: | Schwencer A Office of Nuclear Reactor Regulation |
| To: | Goodwin C PORTLAND GENERAL ELECTRIC CO. |
| References | |
| NUDOCS 7904130076 | |
| Download: ML19263D624 (4) | |
Text
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UNITED STATES
[V NUCLEAR REGULATORY COMMISSION
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WASHINGTON. D. C. 20555
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March 8,1979 Docket No. 50-344 Mr. Charles Goodwin, Jr.
Assistant Vice President Portland General Electric Company 121 S. W. Salmon Street Portland, Oregon 97204
Dear Mr. Goodwin:
In conducting our review of your January 17, 1979 submittal relating to design modifications for the Trojan Control Building, we have determined that we will need the additional information identified in the enclosure to continue the review.
Your response is requested as soon as possible.
Three signed originals and forty copies are required.
Please contact us if you have any questions concerning this request.
Sincerely,
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~1hhM46'SW A. Schwencer, C5.ief Operating Reactoc; Branch #1 Division of Operating Reactors
Enclosure:
Request for Additional Information cc w/ enclosures:
see next page 79041300 %
Mr. Charles Goodwin, Jr. March 8, 1979 cc: Mr. H. H. Phillips Ms. Nina Bell Portland General Electric Company 632 SE 18th 121 SW Salmon Street Portland, Oregon 97214 Portland, Oregon 97204 Mr. Stephen M. Willingham Warren Hastings, Esquire 555 N. Tomahawk Drive Counsel for Portland General Portland, Oregon 97217 Electric Company 121 SW Salmon Street Mr. Eugene Rosolie Portland, Oregon 97204 Coalition for Safe Power 215 SE 9th Avenue Mr. J. L. Frewing, Manager Portland, Oregon 97214 Generation Licensing a.nd Analysis Portland General Electric Company John H. Socolofsky 121 SW Salmon Street Oregon Department of Energy and Portland, Oregon 97204 Oregon Public Utility Comissioner Department of Justice Columbia County Courthouse State Office Builsing Law Library, Circuity Court Room Salem, Oregon St. Helens, Oregon 97501 Maurice Axelrad, Esq.
Director, Oregon Department Lowenstein, Newman, Reis of Energy Axelrad and Toll Labor and Industries Building, Rm.111 Suite 1214 Salem, Oregon 97310 1025 Connecticut Avenue, NW Washington, D. C.
20036 Dr. Hugh C. Paxton Mr. David B. McCoy 1220 41st Street 348 Hussey Lane Los Alamos, New Mexico 87544 Grants Pass, Oregon 97526 Marshall E. Miller, Esq., Chairman Ms. C. Gail Parson Atomic Safety and Licen.;ing Board 800 SW Green #6 U. S. Nuclear Regulatory Commission Portland, Oregon 97526 Washington, D. C.
20555 William Kinsey, Esq.
Dr. Kenne th A. McCollom, Dean 1002 NE Holladay Division of Engineering, Portland, Oregon 97232 Architecture & Technology Oklahoma State University Michael Malmrose Stillwater, Oklahoma 74074 U. S. f uclear Regulatory Conmissio-Tro an ',uclear Plant Mr. John A. Kullberg P. 1 En 0 Route One Ra i-im 'lemn FN2 Box 2500 Sauvie Island, Oregon 97221
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Mr. Charles Goodwin, Jr. March 8, 1979 cc:
Columbia Environmental Council ATTN:
Elizabeth Scott P. O. Box 611 St. Helens, Oregon 97051 Robert M. Johnson, Esq.
Assistant Attorney General 100 State Office Building Salem, Oregon Atomic Safety and Licensing Board Panel U. S. Nuclear Regulatory Commission Washington, D. C.
20555 Atomic Safety and Licensing Appeal Board Panel V. S. Nuclear Regulatory Commission Washington, D. C.
20555 Docketing and Service Section Office of the Secretary U. S. Nuclear Regulatory Commission Washington, D. C.
20555
REQUEST FOR ADDITIONAL INFORMATION CONTROL BUILDING DESIGN MODIFICATION 1.
Describe the distance between the diesel fuel lines in the area t:
be excavated as described in Section 5.3.3 of PGE-1020.
2.
Describe the location of all shutoff and cross-connection valves in the fuel oil lines for the diesel generators.
3.
Identify and discuss the area and depth to be excavated by hand when uncovering diesel fuel lines.
4.
Describe measures to be taken to protect diesel fuel lines when hoisting steel plates and the fire protection measures to be taken in event of a line rupture by either hand tool damage or by dropping the steel plate.
5.
Describe the effect of dropping the steel plate on the duct banks described in Sections 5.3.3 and 5.3.9.
What protection is afforded against damage to safety-related cables?
6.
Describe measures to be taken to protect cables when hoisting plates above trays over to the guides discussed in Section 5.3.11.
7.
Describe measures to protect these cables from damage by the hoisting equipment.
8.
What equipment will be used to raise / lower the plate (s) into position?
9.
As described in PGE-1012, " Trojan Nuclear Plant Fire Protection Review" (page F-5), plant safety procedure PS-7 requires that all immovable combustible material below and within a 35-foot radius where welding, cutting, grinding, or open flame work is performed be protected by asbestos curtains, metal guards or flame-proof covers.
In this regard, state the material composition of the protective blankets and welding screens discussed in Section 5.3.11 of PGE-1020.