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Partial response to FOIA request for all records relevant to &/or generated in connection w/basemat cracking & water leakage & seepage problems at facility.Forwards App A & B documents.Documents also available in PDR.

Accession Number: ML20105C312

Date Released: Sunday, November 8, 2020

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• ML20107H425 - Partial response to FOIA request for all records relevant to &/or generated in connection w/basemat cracking & water leakage & seepage problems at facility.Forwards App A & B documents.Documents also available in PDR. (5 page(s), 8/20/1984)
• ML20107H851 - Revised safety evaluation re structural adequacy of facility basemat.Basemat can provide intended function.Surveillance program needed to assure continued adequacy of affected structures. (30 page(s), 8/20/1984)
• ML20107H657 - Safety evaluation re structural adequacy of facility basemat.Conclusion & recommendations:mat not currently in distress,based on crack observation & verification of shear capacity under SSE needed. (31 page(s), 4/27/1984)
• ML20105D157 - Summary of 840326 meeting w/util,Ebasco,Harstead Engineering Assoc & Shaw,Pittman,Potts & Trowbridge in Bethesda,MD re design,const & QA aspects of facility foundation basemat.Supporting documentation encl. (150 page(s), 4/6/1984)
• ML20107H507 - Forwards Insp Rept 50-382/76-01 on 760107-09.Noncompliance noted. (2 page(s), 1/27/1976)
• ML20107H485 - Insp Rept 50-382/75-10 on 751202-05.Noncompliance noted:lack of provision on Ebasco QC insp form for acceptance or rejection & disposition concerning corrective action could not be made on several aggregate sieve analyses. (12 page(s), 12/18/1975)
• ML20107H535 - Insp Rept 50-382/76-01 on 760107-09.Noncompliance noted:on 751222,during Placement 4995024,concrete used w/excessive slump & air content contrary to 10CFR50,App B,Criterion V. (22 page(s), 1/20/1976)
• ML20105C307 - Responds to request for quick review of D Eisenhut 830915 & E Christenbury 830922 memos & applicant answer to Joint Intervenors motion to reopen contention re concrete mat cracking & water seepage.Review expected by 831115. (2 page(s), 10/5/1983)
• ML20107H755 - "Review of Waterford III Basemat Analysis." (43 page(s), 7/18/1984)
• ML20107H560 - Composite set of questions from reviewers re adequacy of facility basemat to facilitate util preparation for 840326 meeting in Bethesda,MD. (210 page(s), 3/26/1984)
• ML20107H673 - "Review of Waterford III Basemat Analysis." (12 page(s), 4/16/1984)
• ML20107H732 - "Review of Waterford III Basemat Analysis." (40 page(s), 6/21/1984)
• ML20107H830 - Forwards Structural & Geotechnical Engineering Branch revised safety evaluation re structural adequacy of basemat. Basemat can perform intended function.Surveillance program will be needed to assure continued adequacy. (1 page(s), 8/20/1984)
• ML20107H893 - "Program for NDE of Cracks in Waterford 3 Basemat." (18 page(s), 8/20/1984)
• ML20105C903 - Responds to 840214 telcon requesting comments & questions on "GAMBIT" 831210 newspaper statement re cracks in concrete base mat & Phearson 751215 memo re localized porous zones. Comments & questions re charges encl. (3 page(s), 2/15/1984)
• ML20107H451 - Forwards Insp Rept 50-382/75-10 on 751202-05.Noncompliance noted.Two new unresolved items identified in Section III of rept. (2 page(s), 12/22/1975)
• ML20105D223 - Informs of review of proposed limiting conditions for operation on possible corrosion of basemat rebar due to groundwater penetration through cracks in concrete basemat. Basemat rebar will not be significantly corroded. (3 page(s), 4/12/1984)