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	Issue date	From	Title	Project stage
ML20215B790	11 June 1987	Portland General Electric Cockfield D	Forwards Evaluation Rept of Main Steam Pipe Wall Thickness, Describing Fatigue & Finite Element Analyses Performed on Affected Piping,Per ASME Boiler & Pressure Vessel Code.Affected Piping Will Be Reexamined in 1988	Other
ML20215G653	11 June 1987	BECHTEL GROUP INC.	Trojan Nuclear Plant Evaluation of Main Feed Line Seismic Restraint Failure	Other
ML20215G101	12 June 1987	Portland General Electric Cockfield D	Forwards Evaluation of Displacement at Main Feedwater Restraint SR4 in Trojan Nuclear Plant & Trojan Nuclear Plant Evaluation of Main Feed Line Seismic Restraint Failure, as Result of Failure During 1987 Refueling Outage	Other
ML20215B804	30 June 1987	BECHTEL POWER CORP. Bostrom T Chern C	Evaluation Rept of Trojan Nuclear Plant Main Steam Pipe Wall Thickness	Other
ML20215G650	30 June 1987	BECHTEL GROUP INC.	Evaluation of Displacement at Main Feedwater Restraint SR4 in Trojan Nuclear Plant	Other
ML20234D077	30 June 1987	Portland General Electric Cockfield D	Advises That Util Agrees to Complete One of Three Listed Actions Re Resolution of Main Steam Line Wall Thickness Issue Before Startup from 1989 Refueling Outage	Other
ML20236F153	17 July 1987	BECHTEL GROUP INC. Lanssen K Safwat H	Final Rept Trojan Nuclear Plant SR8 Failure Root Cause Evaluation Steam Condensation-Induced Water Hammer	Other
ML20236F145	27 July 1987	Portland General Electric Cockfield D	Forwards Bechtel Western Power Corp Final Rept, Trojan Nuclear Plant SR8 Failure Root Cause Evaluation Steam Condensation-Induced Water Hammer & Impell Corp Summary Rept, Independent Review of Action Plan Items..	Other
ML20236D570	27 July 1987	Portland General Electric Cockfield D	Advises That Util Plans to Resolve Issue Re Code Acceptability Applications Prior to 871201.Util Will Perform Necessary Design & Order Matls to Repair or Replace Unacceptable Main Steam Line Wall Thickness Areas	Other
IR 05000344/1987026	27 July 1987	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) Yuhas G Hooker C	Insp Rept 50-344/87-26 on 870706-10.No Violations or Deviations Noted.Major Areas Inspected:Licensee Action on Previous Insp Findings,External & Internal Exposure Control, Control of Radioactive Matls & Contamination & ALARA	Request
ML20236L345	30 July 1987	Chan T Office of Nuclear Reactor Regulation	Summary of 870617 Meeting W/Util,Bechtel & Impell Re Results of Analyses Concerning Accumulator Fill Line Failure,Main Feedwater Failure & Main Steam Line Thin Wall at Plant.List of Attendees & Viewgraphs Encl	Meeting
ML20236F168	31 July 1987	ABB IMPELL CORP. (FORMERLY IMPELL CORP.)	Rev 1 to Summary Rept, Independent Review of Action Plan Items to Resolve Trojan Main Feedwater Piping Restraint Failure Issue	Other
ML20237J052	21 August 1987	Chan T Office of Nuclear Reactor Regulation	Responds to Util Proposing to Resolve Issue Re Main Steam Line Wall Thicknesses Which Did Not Meet Min Requirements.Util Adequately Demonstrated That Safe Operation of Plant Until May 1989 Will Not Be Compromised	Other
ML20237J215	21 August 1987	Office of Nuclear Reactor Regulation Knighton G	Advises That Technical Issues Re Accumulator Fill Line Failure & Main Feedwater Pipe Restraint Failure Adequately Addressed by Licensee.Summary of 870617 Meeting Encl.W/O Encl	Meeting
ML20236M837	11 November 1987	Chan T Office of Nuclear Reactor Regulation	Forwards SERs Re Main Feedwater Line Restraint Failure & Accumulator Fill Line Failures at Plant.Repairs Proposed by Util Acceptable to Ensure Integrity of Damaged Sys for Continuing Plant Operation	Approval
ML20236M855	11 November 1987	Office of Nuclear Reactor Regulation	SER Supporting Util Repairs Proposal Re Main Feedwater Line Restraint Failure	Other
ML20236M871	11 November 1987	Office of Nuclear Reactor Regulation	SER Supporting Util Repairs Proposal Re Accumulator Fill Line Failures	Other
ML20151L878	15 April 1988	Portland General Electric Cockfield D	Forwards Addl Info Re Six Open Items/Recommendations Noted in NRC 871111 Safety Evaluation of Failure of Main Feedwater Sys Restraint SR-8,per Commitment During Audit of long-term Pipe Support Design Verification Program in Jan 1988	Other

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