Title
RESOLUTION AUTHORIZING AN AMENDMENT TO AGREEMENT 22770 WITH SHORT ELLIOTT HENDRICKSON, INC FOR ADDITIONAL SERVICES FOR THE COFFEE CREEK LETTER OF MAP REVISION (LOMR) PROJECT, AN INCREASE OF $8,689.45, AND A NEW TOTAL AMOUNT NOT TO EXCEED $45,554.45
Body
CITY PROPOSAL:
RESOLVED, that the proper city officials are hereby authorized to amend Agreement 22770 with Short Elliott Hendrickson, Inc., substantially in the form attached as Exhibit A, for additional services required for the completion of a Federal Emergency Management Agency (FEMA) LOMR for Coffee Creek, for an additional amount of $8,689.45 and a new total amount not to exceed $45,554.45, payable from 535-500-1905-5535 (Stormwater; Public Works and Utilities; Capital (incl deprec/debt svc); Non-Capital Improvements).
Statement of Purpose
STATEMENT OF PURPOSE: This resolution authorizes an amendment to Agreement 22770 with Short Elliott Hendrickson, Inc. (SEH) for additional services required for the completion of a FEMA LOMR for Coffee Creek in order to change the flood plain maps for the stream section immediately upstream of West Central Entrance to immediately downstream of West Lemon Street.
This complex project required the collection, research and review of background data, preparation of detailed topographic surveys, and hydrologic and hydraulic analysis of the creek, followed by project meetings with the Minnesota Department of Natural Resources (MNDNR), Minnesota Department of Transportation (MnDOT - Owner of Central Entrance - TH 194) and city staff to discuss the findings of the modeling. The extensive hydrologic and hydraulic modeling took more time than expected, as the preliminary results showed that the flows from Coffee Creek overtopped Central Entrance and flowed to the east down Central Entrance and into the Brewery Creek Watershed. Additional hours were used to analyze potential solutions to increase capacity at the Central Entrance Culvert and create a flood resilient ...
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