Letter Sequence Request |
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Results
Other: 05000267/LER-1983-009, Forwards LER 83-009/01T-0.Detailed Event Analysis Encl, 05000267/LER-1983-009-01, /01T-0:on 830223,four Masonry Walls Found to Have Inadequate Structural Strength to Withstand Design Criteria Load Combination.Caused by Lack of Dur-O-Wall.Mod Reinforcing Walls W/Steel Bar Straps Completed, ML20079H542, ML20080G208, ML20080H068, ML20082K457, ML20093G129, ML20108F438, ML20132G022, ML20141K274
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MONTHYEARML20028E9731982-12-23023 December 1982
Notifies That Response to 821119 Request for Addl Info on Masonry Block Walls Will Be Delayed Until 830114
Project stage: Request
05000267/LER-1983-009, Forwards LER 83-009/01T-0.Detailed Event Analysis Encl1983-03-0909 March 1983
Forwards LER 83-009/01T-0.Detailed Event Analysis Encl
Project stage: Other
05000267/LER-1983-009-01, /01T-0:on 830223,four Masonry Walls Found to Have Inadequate Structural Strength to Withstand Design Criteria Load Combination.Caused by Lack of Dur-O-Wall.Mod Reinforcing Walls W/Steel Bar Straps Completed1983-03-0909 March 1983
/01T-0:on 830223,four Masonry Walls Found to Have Inadequate Structural Strength to Withstand Design Criteria Load Combination.Caused by Lack of Dur-O-Wall.Mod Reinforcing Walls W/Steel Bar Straps Completed
Project stage: Other
ML20080G2081983-09-0606 September 1983
Forwards Response Spectra Curves Used in Reanalysis of Masonry Block Walls,Per Request.Walls Reanalyzed Per IE Bulletin 80-11 for SSE W/Damping Value of 5%
Project stage: Other
ML20080H0681983-09-16016 September 1983
Masonry Wall Design,Fort St Vrain Nuclear Plant, Technical Evaluation Rept
Project stage: Other
ML20082K4571983-11-0808 November 1983
Responds to Re IE Bulletin 80-11, Joint Reinforcement in Masonry Walls. Reevaluation Will Be Made of All Class I Masonry Walls Seismically Qualified Considering Dur-o-Wall as Structural Element
Project stage: Other
ML20079H5421984-01-0606 January 1984
Provides Alternative Acceptance Criteria for Determining Workability of Concrete During Period in Which 1-1/2 H Time Requirement Deleted from Bldg 10 Concrete Spec
Project stage: Other
ML20093G1291984-07-0606 July 1984
Informs That Util Completed Const Work on 840706 Re Joint Reinforcement in Masonry Walls Per IE Bulletin 80-11.No Structural Credit Taken for Dur-O-Wall in Masonry Block Walls Near safety-related Equipment
Project stage: Other
ML20108F4381985-03-0101 March 1985
Forwards Sketches Indicating Method Utilized to Reinforce Walls & List of Reworked Walls,Per IE Bulletin 80-11 & Response to NRC 850116 Telcon Questions
Project stage: Other
ML20132G0221985-07-16016 July 1985
Notifies That Three of Five Unmortared Stacked Block Walls Will Not Be Mortared in Place by 850802,per 850301 Commitment,Due to High Radiation Levels Near Fuel Storage Well.Completion Anticipated by 851231
Project stage: Other
ML20141K2701986-01-15015 January 1986
Forwards Sser Based on Review of Util 850301 & 0716 Addl Info Re Compliance W/Ie Bulletin 80-11,Items 2(b) & 3 for safety-related Masonry Walls.Remaining Wall Designs Adequate.Items Fully Implemented
Project stage: Approval
ML20141K2741986-01-15015 January 1986
Sser Supporting Util 850301 & 0716 Addl Info Re Compliance W/Ie Bulletin 80-11,Items 2(b) & 3 for safety-related Masonry Walls
Project stage: Other
1983-09-06
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Text
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Public Service Company off(Cdundn>
P. O. Box 840, Denver, Colorado
- 80201 EG-267 December 23, 1982 Fort St. Vrain Unit No. 1 P-82557 Mr. Robert A. Clark, Chief Operating Reactors Branch #3 I
Division of Licensing f
g l 4 M
.r Nuclear Regulatory Commission. -
g)-
7920 Norfolk Avenue ULJ Dethesada, Maryland 20034 L
J
SUBJECT:
Masonry Block Walls
REFERENCE:
G-82377 Gentlemen:
Public Service Company of Cvlorado is in the process of responding to the items of your letter of November 19, 1982 requesting additional infonnation on Masonry Block Walls.
Due to the large amount of field work required to verify that Dur-0-Wall does exist in the Masonry Block Walls, PSC will not be able to submit a response to your letter until January 14, 1983.
Very truly yours, hwal H. L. Brey, Manager Nuclear Engineering Division HLB / RAG:pa 69 4
C'3012OO310 821223 PDR ADOCK 05000267 P
PDR
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