03-12-2015
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<br />Deliverables: <br />I. Draft report. <br />II. Final report. <br />D. EXTEND RAS GEOMETRY OF THE RUSH/LOWER RUSH <br />The objective of this subtask is to account for break-out flows between the Rush and Lower Rush <br />Rivers by extending the RAS model geometry of the Rush and Lower Rush Rivers upstream to the <br />beach ridge of Glacial Lake Agassiz. <br />Scope: <br />I. Extend existing conditions Rush River HEC-RAS model approximately 10 miles upstream <br />from Amenia and add model detail between the Rush and Lower Rush Rivers to <br />incorporate breakout discharges. <br />Deliverables: <br />I. Updated existing conditions and with-project HEC-RAS unsteady models. <br />E. PHYSICAL MODELING ASSISTANCE: <br />Provide ongoing assistance to the Diversion Authority during the transition for Feasibility Study <br />to Preliminary Engineering and Design (PED) in support of the Maple and Sheyenne River <br />aqueduct structures. <br />Scope: <br />I. Participate in USACE design team meetings, Local Sponsor/Local Consultants Technical <br />Team (LSLCTT) meetings, and workshops as requested. <br />II. Provide technical assistance for physical modeling of hydraulic structures. <br />III. Provide hydrology information, as requested, to USACE. <br />IV. Provide additional assistance as requested. <br />Deliverables: Meeting minutes. <br />F. ON-CALL SERVICES: <br />Respond to requests for services from PMC for tasks not identified to date. Requests will be <br />provided by PMC in writing. Work will not be performed by Engineer without authorization by <br />PMC or Owner. <br />Deliverables: On-call service deliverables as requested. <br />I. EXTREME RAINFALL EVENTS – Complete the work originally authorized in AWD-00016 <br />and deliver the final report. The scope of work specified in AWD-00016 was: <br />1. Develop a Technical Memorandum (TM) that determines whether or not a <br />meander belt width of 200 feet is sufficient to allow establish a low-flow <br />channel that is in dynamic equilibrium, and if so, provide sufficient information <br />and criteria for others to design the four (4) low-flow channel reaches: <br />a. Diversion Outlet to Lower Rush <br />b. Lower Rush to Drain 14 <br />c. Drain 14 to Drain 21C <br />d. Drain 21C to Diversion Inlet <br />HMG_TO9-A13_Long.docx 4 <br />DR <br />A <br />F <br />T <br /> <br />3/6 <br />/ <br />2 <br />0 <br />1 <br />5 <br />
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