02-05-2015
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<br />TASK ORDER SUMMARY <br />Houston-Moore Group, LLC (HMG) <br />Task Order No. 8, Amendment 9 Add $ 97,000 <br />Work-In-Kind (WIK) <br />Subtask 2.E.VI: Analysis of 37-ft stage through the Protected Area <br />Description: <br />Incorporate AWD-00046: For Fargo ND, Moorhead MN, Cass County ND, and Clay County MN review <br />existing infrastructure and document impacts that would occur and require mitigated if the Project Red <br />River flow through town stage were increased from 35-feet to 37-feet at the Fargo gage. <br />Background: <br />DNR requested additional information on impacts to infrastructure and new infrastructure needed for <br />Project Red River flow through town stage/flows greater than the current Project stage of 35-feet at the <br />Fargo gage (equivalent to approximately 17,000 cfs). <br />Cost = $ 16,000 <br />Subtask 2.E.XI: LFC Modeling from the Maple River to the Diversion Inlet <br />Description: <br />For the Diversion Channel between the Maple River and the Diversion Inlet Structure, determine the <br />appropriate meandering Low Flow Channel (LFC) wavelength and amplitude design parameters Diversion <br />Channel bottom widths of 200-feet and 250-feet, and if authorized, model the designed alignments from <br />the Maple River downstream to Reach 1 in RVR Meander. <br />Background: <br />Additional H&H modeling of flow in the Diversion Channel from the Maple River to the Diversion Inlet has <br />shown that the current 300-feet wide Diversion Channel can be narrow to 200-feet and still pass the project <br />design flows. A narrower Diversion Channel will require revised meandering LFC design parameters. <br />Cost = $ 81,000 <br />Recommendation: <br />PMC recommends authorization for Task Order No. 8, Amendment 9 for $ 97,000. <br />TASK_ORDER_SUMMARY_2015-0205.DOCX 2 <br />DR <br />A <br />F <br />T
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