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	Issue date	From	Title	Project stage
ML20266F484	28 April 1983	Xcel Energy	Ft St Vrain 2500 Kva Xfmr Foundations & Details. Sheet 1 of 2.No Rev Date	Other
ML20266F489	2 May 1983	Xcel Energy	Ft St Vrain 2500 Kva Xfmr Foundations & Details. Sheet 2 of 2	Other
ML20266F498	17 June 1983	Xcel Energy	480V Transformer Fire Protection Sys	Other
ML20082E320	9 November 1983	Xcel Energy Brey H	Responds to Notice of Deviation Noted in IE Insp on 830801-31.Corrective Actions:Concrete Samples Taken at End of Concrete Pump Discharge Line,Addl Lighting Installed & Number of Concrete Vibrators Increased	Other
ML20262E611	4 January 1984	Xcel Energy STONE & WEBSTER ENGINEERING CORP.	Building 10 Concrete Sections & Details, as-built.Sheet 3	Other
ML20262E615	4 January 1984	Xcel Energy STONE & WEBSTER ENGINEERING CORP.	Building 10 Steel Framing Plans, as-built	Other
ML20262E619	4 January 1984	Xcel Energy	Building 10 Walk-Thru Structure Floor Plans, as-built	Other
ML20262E624	4 January 1984	Xcel Energy	Building 10 Walk-Over Structure Roof Plan & Details, as-built	Other
ML20262E629	4 January 1984	Xcel Energy	Building 10 Walkover Structure Steel Elevation, as-built	Other
ML20262E597	5 January 1984	Xcel Energy STONE & WEBSTER ENGINEERING CORP.	Building 10 Architectural Elevations & Details, as-built	Other
ML20262E601	5 January 1984	Xcel Energy STONE & WEBSTER ENGINEERING CORP.	Building 10 Concrete Floor Plans, as-built	Other
ML20093M749	22 January 1984	Xcel Energy	Rept of Changes,Test & Experiments Not Requiring Prior Commission Approval Per 10CFR50.59(a) for 840101-22	Other
ML20093M745	20 July 1984	Xcel Energy Warembourg D	Forwards Rept of Changes,Tests & Experiments Not Requiring Prior Commission Approval for 840101-22.Anniversary Date of Rept Changed to Correspond W/Submittal of Annual Update to Fsar.Future Annual Repts Will Cover Jan 23 - Jan 22	Other
ML20094A277	25 July 1984	Xcel Energy Lee O	Responds to NRC 840625 Concerns Re Bldg 10 Const.Concept of Bldg 10 Finalized to Relieve Crowding Conditions & to Accommodate Equipment Replacements Being Planned.Bldg 10 Constitutes Mod Not Requiring Amend to OL	Other
ML20262E593	21 September 1984	Xcel Energy STONE & WEBSTER ENGINEERING CORP.	Building 10 Site Plan & Caisson Details	Other
ML20262E606	27 September 1984	Xcel Energy STONE & WEBSTER ENGINEERING CORP.	Building 10 Concrete Sections & Details, as-built.Sheet 1	Other
ML20101C284	29 November 1984	Xcel Energy Kitzman A	Forwards Hl Brey for Redistribution Due to Error in Ltr Date.Correct Date Should Be 831101	Other
ML20100C247	11 March 1985	Xcel Energy Warembourg D	Advises That Attachments A,B,C & D Re Diesel Generator Loading,Battery Sizing,Listing of Encl Drawings & Partial one-line Diagram Forwarded to J Miller,Per 850227 Telcon Request	Other
ML20116G049	12 April 1985	Xcel Energy Warembourg D	Informs That Listed Electrical Sys Drawings Sent to J Miller of NRR for Review,Per 840410 & 12 Requests.Copy of Logic Diagrams Being Prepared by I Ahmed Requested	Other
ML20133A414	23 July 1985	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) Hunter D	Forwards Request for Addl Info Re Const of Bldg 10 & Associated Walkover Structure,Including Engineering Drawings,Walkover Structure Layout & Spatial Relationship W/Surrounding Bldgs	RAI
ML20262E589	8 August 1985	Xcel Energy	Ft St Vrain Plot Plan. Sheet 1 of 1.Drawing Consists of Two Aperture Cards	Other
ML20137C401	21 November 1985	Butcher E Office of Nuclear Reactor Regulation	Requests Addl Info Re Bldg 10,including CN-1255 & CN-1332 for Sys 92 & CN-1294 for Sys 92/45.For Each Cn,Safety Evaluation & Design Criteria & Analysis Required.Info Requested within 30 Days of Ltr Receipt	Approval
ML20138P079	17 December 1985	Xcel Energy Warembourg D	Forwards Legible Copy of Safety Evaluation Design Criteria & Design Analysis for Change Notices CN-1255,CN-1332, CN-1294 & CN-1391,per NRC 851121 Request for Addl Info. Future Changes to CN-1391 Cover nonsafety-related Battery	Request
ML20205B071	31 December 1985	Yen-Ju Chen INC. SARGENT & LUNDY Singh S	Rev 0 to Evaluation of Structure-Soil-Structure Interaction Effect Between Bldg 10/Walkover Structure & Main Plant	Other
ML20153H057	19 February 1986	Berkow H Office of Nuclear Reactor Regulation	Forwards Safety Evaluation Re 850828 Submittal Concerning Bldg 10 & Walkover Structure.Designs Acceptable,Per FSAR Requirements for Category 1 Bldgs.Confirmatory Analysis, Addressing Lack of Clearance Between Structures,Requested	Approval
ML20153H073	19 February 1986	Office of Nuclear Reactor Regulation	Safety Evaluation Supporting Bldg 10 & Walkover Structure Design,Per FSAR Requirements for Category 1 Bldgs.Lack of Clearance Between Structures Should Be Addressed by Util	Approval
ML20266F494	15 March 1986	INC. GOULD	Bus Duct Layout and Location of Bus Duct Supports	Other
ML20204A216	1 May 1986	Office of Nuclear Reactor Regulation Heitner K	Forwards Request for Addl Info Re Bldg 10 Electrical Mods, Including Confirmation That All Class 1E Power,Control & Instrumentation Cables in Bldg 10 Qualified for Environ of 120 F	RAI
ML20197F654	7 May 1986	Office of Nuclear Reactor Regulation Hinson C	Summary of 860423-24 Meetings W/Util,Ga Technologies & S&W at Site Re Fuel Block Cracking,Bldg 10 Const,Seismic Instrumentation,Pcrv Tendons & Integrated Leak Rate Testing. Attendance List & Viewgraphs Encl	Meeting
ML20198A027	12 May 1986	Xcel Energy Warembourg D	Responds to NRC 860219 Questions Re Bldg 10 & Walkover Structure.Walkover Structure & Bldg 10 Designed Such That Structural Elements Will Not Impact on Adjacent Bldgs During Seismic Event	Other
ML20204E706	19 June 1986	Xcel Energy Warembourg D	Forwards Addl Info Re Bldg 10 Electrical Mods & Essential Power Bus Upgrades,Per NRC 860501 Request	Other
ML20199J026	25 June 1986	Office of Nuclear Reactor Regulation Heitner K	Requests Addl Info Re Structural Evaluation of Bldg 10 & Walkover Structure,Discussed at 860423 & 24 Meetings.Ltr Inadequately Addressed NRC Concerns	Meeting
ML20204E694	25 July 1986	Xcel Energy Brey H	Forwards Resubmittal of Addl Info Re Bldg 10 Electrical Mods & Essential Power Bus Upgrades to Include Attachments Not Received by NRC	Other
ML20205B056	28 July 1986	Xcel Energy Warembourg D	Forwards Addl Info Re Structural Analysis of Bldg 10 & Walkover Structure,Per 860625 Request,Including Seismic Model Used for Bldg & Rev 0 to SAD-481, Evaluation of Structure-Soil-Structure..	Other
ML20214R856	6 March 1987	INC. EG&G IDAHO IDAHO NATIONAL ENGINEERING & ENVIRONMENTAL LABORATORY Roberts E	Forwards EGG-NTA-7607, Technical Evaluation Rept Evaluation of Bldg 10 Electrical Mods Fort St Vrain Nuclear Generating Station, Informal Rept	Other
ML20205R156	31 March 1987	Office of Nuclear Reactor Regulation Heitner K	Forwards Request for Addl Info Re Seismic Design of Bldg 10, for Nrc/Bnl Review.Site Visit to Review Response to Encl Questions,To Insp Bldg 10 & to Audit Supporting Structural Matl Recommended within 60 Days of Ltr Receipt	RAI
ML20214R871	31 March 1987	INC. EG&G IDAHO IDAHO NATIONAL ENGINEERING & ENVIRONMENTAL LABORATORY Nolan A	Technical Evaluation Rept Evaluation of Bldg 10 Electrical Mods Fort St Vrain Nuclear Generating Station, Informal Rept	Other
ML20215F963	29 May 1987	Xcel Energy Warembourg D	Forwards Response to NRC 870331 Request for Addl Info Re Bldg 10,per 870527 Telcon.Supporting Matl for Bldg 10 Structural Analyses Available in Util Ofc for Review	Request
ML20235Z262	8 July 1987	Chris Miller Brookhaven National Laboratory	Requests Addl Info from Util Re Bldg 10 Seismic Design, Including Descriptive Matl for PILAY2 Computer Code & Sketches or Drawings Showing Caisson/Slab/Wall Configurations	Other
ML20236H257	28 July 1987	Office of Nuclear Reactor Regulation Heitner K	Requests Addl Info Re Seismic Design of Bldg 10,based on Util 870529 Submittal.Response Requested within 45 Days of Ltr Date	Other
ML20234D809	9 September 1987	Xcel Energy Warembourg D	Responds to NRC 870728 Request for Addl Info Re Bldg 10, Including Descriptive Matl for PILAY2 Computer Code & Sketches or Drawings of Caisson/Slab/Wall Configurations. Sketch of Configuration & Wall Stiffness Calculation Encl	Request
ML20150C444	10 March 1988	Office of Nuclear Reactor Regulation Heitner K	Forwards Safety Evaluation Re Seismic Analysis of Bldg 10 & Walkover Structure.Seismic Analysis Methods Used Conservative Relative to FSAR & Acceptable	Approval
ML20150C454	10 March 1988	Office of Nuclear Reactor Regulation	Safety Evaluation Concluding That Seismic Analysis Methods for Bldg 10 & Walkover Structure Conservative.Gaps Provided Adequate to Accommodate Relative Motions Which Occur Between Subj Structures & Walkover Structure & Turbine Bldg	Approval

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