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i <br /> DEPARTMENT OF WATER MANAGEMENT <br /> Memorandum No. 2013-17 <br /> October 1, 2013 <br /> TO: Mayor Michael T. McElroy and City Council <br /> FROM: Ryan P. McCrady, City Manager <br /> Keith D. Alexander, Director of Water Management 141 <br /> SUBJECT: Professional Engineering Services Agreement <br /> Chastain&Associates LLC <br /> Lake Decatur Dredging Basins 1 through 4 & Oalkley Sediment Basin <br /> Rehabilitation- City Project W1314 <br /> SUMMARY RECOMMENDATION: <br /> Council adopt the attached Resolution authorizing a professional engineering services agreement <br /> for Lake Decatur Dredging Basins 1 through 4 and Oakley Sediment Basin Rehabilitation with <br /> Chastain &Associates LLC at a cost not to exceed $897,900. <br /> BACKGROUND: <br /> In 2005 the City Council authorized a professional services agreement Vvith Chastain for the <br /> Lake Decatur Basin 1 dredging project. Over the past 8 years Chastain has provided significant <br /> Basin 1 dredging project services. Additionally, due to extended dry periods and two droughts <br /> since 2005, Chastain also provided significant alternative water supply services. Recently, <br /> Basins 2, 3 & 4 were added to the dredging project, which increased Chastain's workload by <br /> approximately 40%. <br /> Chastain has done an admirable job providing the City with these additional professional <br /> services. However, due to this additional work, the 2005 agreement's authorized spending limit <br /> of $1,041,100 has been reached. Therefore, a new agreement is required to complete the <br /> contract documents to bid out the reconstruction of the Oakley Sediment Basin (to store the <br /> dredged material from Basins 1 through 4) and dredge Basins 1 through 4, The agreement also <br /> includes construction administration for the reconstruction and dredging. In summary, the <br /> agreement consists of four major tasks for a total cost not to exceed $897,900: <br /> Task Cost Not to Exceed <br /> Project Administration and Management $52,403 <br /> Completion of the 2013 Contract Documents for Dredging $381975 <br /> Rehabilitation of the Oakley Sediment Basin $357,818 <br /> Construction Administration of Dredging $409,704 <br /> Total $80,900 <br />