03-13-2014
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<br />HMG_TO9‐A10_Long.docx 15 <br />c. Quality Control Check on Unregulated Record Generated by Hydrologic Model: Run <br />five test historic, unregulated events through the unsteady HEC‐RAS model to check <br />the validity of the unregulated record being developed by the hydrologic modeler. <br />d. Routed Synthetic‐Event Unregulated Hydrographs and Report: Using information <br />developed in previous tasks, provide the resulting unregulated hydrographs at <br />Fargo, ND and Wahpeton, ND, which are produced in concert with the 10‐yr, 50‐yr, <br />100‐yr, 200‐yr, 500‐yr synthetic events at Hickson, ND. <br />e. Fine Tune the Regulated Synthetic Event Analysis: Run the five HEC‐RAS models (10‐ <br />yr, 50‐yr, 100‐yr, 200‐yr, 500‐yr synthetic events) for regulated conditions using the <br />outflow hydrographs from the reservoirs developed by USACE using the hydrologic <br />model. <br />f. Final Technical Memorandum: Develop an overall Technical Memorandum <br />summarizing the work accomplished for Tasks 1‐5. <br />III. Deliverables: <br />a. Breakout Flow and Hydrologic Routing Reach Report <br />b. Upstream Input Test Hydrographs and Routed Test Hydrographs at Critical <br />Locations <br />c. Storage Outflow Curves and bankfull discharges for each routing reach <br />d. Routed Historic Hydrographs <br />e. Routed Synthetic‐Event Regulated Hydrographs and Report <br />f. Final Technical Memorandum <br />3. Owner's Responsibilities <br />Owner shall have those responsibilities set forth in Article 2 and in Exhibit B. <br />4. Times for Rendering Services <br />Subtask Start Time Completion Time <br />A. HMS Diversion Inlet Model April 1, 2012 July 31, 2012 <br />B. Updates to Rush/Lower Rush March 8, 2012 May 31, 2012 <br />C. Evaluation of channel size March 8, 2012 May 31, 2012 <br />D. Extend RAS geometry of Rush/Lower Rush March 8, 2012 May 31, 2012 <br />E. Physical Modeling Assistance April 26, 2012 September 30, 2012 <br />F. On‐Call Services June 14, 2012 September 30, 2014 <br /> F.I Extreme Rainfall Events September 13, 2012 November 30, 2012 <br /> F.II. Extreme Event Evaluations September 13, 2012 November 30, 2012 <br /> F.III. Tributary Peak HEC‐RAS Model Runs September 14, 2012 December 31, 2012 <br />F.IV. Additional Assistance for the Maple <br />River Aqueduct Physical Model <br />September 14, 2012 September 30, 2014 <br />F.V. Unsteady HEC‐RAS Modeling of <br />Existing PMF Inflows <br />November 8, 2012 January 31, 2013 <br />F.V. Phase 2 Numerical Modeling February 14, 2013 September 30, 2013 <br />DR <br />A <br />F <br />T
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