ML19323H865
| ML19323H865 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 05/05/1980 |
| From: | Rachel Johnson PORTLAND GENERAL ELECTRIC CO. |
| To: | Mccollom K, Mark Miller, Paxton H Atomic Safety and Licensing Board Panel |
| References | |
| NUDOCS 8006170139 | |
| Download: ML19323H865 (5) | |
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.REIATED QORRESPONDENCE JamesW. Durham
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_ Pbetland General Electric Conpar1y Vice President and GeneralCounsel i
Legal Department Senior Assistant GeneralCounsel:
Alvin Alexanderson Warren Hastings Assistant GeneralCounsel:
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Roland A. Johnson Ronald W. Johnson liarshall E. Miller, Esq., Chairman DaHas A March Atomic Safety and Licensing Board Steven F. McCarrel U. S. Nuclear Regulatory Commission Washington, D. C.
20555 4
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Dr. Kenneth A. McCollom, Dean
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M Division of Engineering, gg Architec.ture & Technology Oklahoma State University ga yay 9 880 * $
Stillwater, Oklahoma 74074 gg/
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Dr. Hugh C. Paxton 1229-41st Street E
los Alamos, New Mexico 67544 A
Gentlemen:
Attached to this letter is a list of Requests for Design Changes (RDCs) associated with the modification program described in the Report on Design Modifications for the Trojan Control Building (PGE-1020).
These items are modifications involving piping supports necessary to qual.ify piping systems for response spectra developed in accordance with PCE-1020, Appendix B.
The items on this list will not individually or collectively with other modifications reduce the shear capacity of any major shear wall by greater than I percent.
Nor do the items involve weight additions which may result in an increase of grecter than 1 percent of the calcu-lated lateral forces in any major shear wall.
The Licensee will continue to keep the Board informed of activities at Trojan as described at the March 30, 1979 Prehearing Conference (Tr. 3204-05).
Sincerely, Ronald W. Johnson Assistant General Counsel Portland General Electric Company RWJ/4sa10A1 Attachment c:
R. H. Engelken Nuclear Regulatory Commission Region V Robert A. Clark Nuclear Regulatory Commission 800617 0 \\ bg
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1300 Willamette Center 121 S.W. Salmon Street, Prwtland, Oregon 97204
ATTACHMENT Following is the list of Request for Design Change (RDC) wor < itens for which field work may be performed within the next few weeks.
The relationship of the work with the Control, Auxiliary and Fuel Building structures is briefly summarized below:
RDC No.
Modification Relationship 79-028 Job No. 53: Addition of an A floor mounted anchor wil)
anchor to a 1-in. line in added at the 61 ft elevation.n the miscellaneous plant the Control Building.
drains and vents system, JBD-31-70(SA311).
Job No. 57: Addition of a A snubber will be add to a 4-in.
snubber for chemical and line at elevation 67 ft in the volume control piping, Fuel Building.
The snubber CS-151R-6-1 (SS301).
attachment will be through-bolted to a 14-in. masonry. There are no significant effects on shear walls.
Job No. 61: Addition of a A snubber is being added to a snubber to a 3-in. line in masonry wall at elevation 77 ft the chemical and volume in Auxiliary Building. Total control system, CS-151R-9-2 weight addition is about 40 lbs.
(SS300).
There is no significant effect on shear walls.
Job No. 63: Addition of a A snubber will be added to a snubber for chemical and 3-in. line at elevation 82 ft.
volume control piping, Attachment will be to the core; CS-151R-9-2 (SS302).
of a 20-in. masonry wall.
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Weight additiion is about 25 lbs.
The modification will not haVb a significatn effect on the shear wall.
Job No. 74: Addition of a A shim restraint will be added restraint to the deminera-at the Containnent wall penetra-lized water piping, HCB-3-1 tion of a 3-in. line. Total (SR300).
weight addition is about 90 lbs; Job No. 90: Deletion of an A restraint on a 4-in. line in existing restraint on the being entirely removed.
chemical and volume control system, CS-151R-6-1 (SR17).
Job No. 99: Modification of This restraint for the 4-in. pipe an existing restraint for which is located in the Fuel chemical and volume control Building at elevation 87', is piping, CS-151R-12-3 being deleted in its entirety.
(SR111).
sv-er
RDC No.
Modification Relationship 79-028 Job No. 105: Modification This anchor for the 3-in. pipe is of an existing anchor for attached to the floor slat at the chemical and volume control 77 ft elevation in the Fuel piping, CS-151R-16-1 Building. The base plate size is (SA159).
being increased and existing 3/8-in. sleeve type anchors are being replaced with eight 3/4 in.
drilled in wedge-type anchors.
Job r). 127: Modification This snubber assembly will of ai existing restraint to replace existing strut assembly a menanical snabber for for the 10-in. pipe at elevation spent fuel pool piping, 45 ft in the Auxiliary Building.
HCi-48-2 (SS301).
It utilizes the existing floor mounted column and knee brace.
Job No. 130: Modification.
The existing hanger rod will" be of an existing restraint for replaced wit a strut assembly for gas collection piping, the 3-in. pipe at elevation 68 ft HCC-62-1 (SR1).
(NOTE:
in the Auxiliary Building. The Repcrted as Job No.131 in strut assembly will be attached letter of April 30,1980.)
to structural floor support steel.
Job No. 149: Modification This existing hanger for 30-in.
of an existing hanger and pipe at elevation 45 ft in the restraint for service water Fuel Building will be strength-piping, HFD-1-1 (H8, SR216).
ened by the replacement of exist-ing rods and beam attachments with heavier units. Method of attachment to the underside of elevation 61 ft floor steel remains unchanged. The estraint, which is part of H8, is being stiffened by the addi-tion of gussets.
WLP/3jr55.43A14
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UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION BEFORE THE ATOMIC SAFETY AND LICENSING BOARD in the Matter of
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Docket 50-344 PORTLAND GENERAL ELECTRIC COMPANY,
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et al
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(Control Building Proceeding)
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(Trojan Nuclear Plant)
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CERTIFICATE OF SERVICE I hereby certify that on May 5, 1980, Licensee's letter, dated May 5, 1980 with a list of Requests for Design Changes, has been served upon the persons listed below by depositing copies thereof in the United States mail with proper postage affixed for first class mail.
Marshall E. Miller, Esq., Chairman Atomic Safety and Licensing Appeal Atomic. Safety and Licensing Board Panel U. S. Nuclear Regulatory Commission U. S. Nuclear Regulatory Commission Washington, D. C.
20555 Washington, D. C.
20555 Dr. Kenneth A. McColiom, Dean Docketing and Service Section (3)
Division of Engineering, Office of the Secretary Architecture and Technology U. S. Nuclear Regulatory Commission Oklahor4 State University Washington, D. C.
20555 StilP ater, Oklahoma 74074 Joseph R. Cray, Esq.
Dr. Hugh-C. Paxton Counsel for NRC Staff 1229 - 41st Street U. S. Nuclear Regulatory Commission Los Alamos, New Mexico 87544 Washington, D. C.
20555 Atomic Safety and Licensing Board Lowenstein, Newman, Reis, Axelrad & Toll Panel 1025 Connecticut Ave., N. W.
U. S. Nuclear Regulatory Commission Suite.1214 Washington, D. C.
20555 Washington, D. C.
20036
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4 CERTIFICATE OF SERVICE Frank W. Ostrander, Jr., Esq.
Mr. David B. McCoy Richard M. Sandvik, Esq.
348 Hussey Lane lissistant Attorne'; General Grants Pass, Oregon 97526
" State of Oregon
, Department of Justice Ms. C. Gail Parson 500 Pacific Building P. O. Box 2992 520 S. W. Yamhill Kodiak, Alaska 99615 Portland, Oregon 97204 Mr. Eugene Rosolie William Kinsey, Esq.
Coalition for Safe Power Bonneville Power Administration 215 S. E. Sth Avenue P. O. Box 3621 Portland, Oregon 97214 Portland, Oregon 97208 Columbia County Courthouse Ms. Nina Bell Law Library 728 S. E. 26th Avenue Circuit Court Room Portland, Oregon 97214 St. Helens, Oregon 97051 Mr. John A. Kullberg 15523 S. E. River Forest Drive Portland, Oregon 97222 l
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4 Ronald W. Jogson Assistant Generg Counsel Portland General Electric Company Dated: May 5, 1980 sa9A28 v
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