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TASK ORDER #07 TO <br />CONTINUING PROFESSIONAL SERVICES AGREEMENT <br />Between Board of Public Works, City of South Bend, Indiana (Owner) <br />and <br />Donohue & Associates, Inc. (Donohue) <br />Date of Original Executed Agreement: August 8, 2017 <br />TASK ORDER NAME/DESCRIPTION <br />Task Order #07: Final WTP and Water Main Design <br />This Task Order #07 includes engineering services for the final design and bidding of two associated, yet <br />separate bidding packages relating to the improvements to the 2017 South Well Field, Water Treatment <br />Plant and Pressure District Improvements project. The two bidding packages include: <br />1.Improvements to the South WTP (Contract A) <br />2.New 20-inch water main running along the abandoned railroad between the South Well Field/WTP <br />and Ireland Road (Contract B) <br />This Task Order #07 will expand upon, and be executed to supplement, the Task Order #04 scope, which <br />was halted in early 2019 and $126,195 was invoiced for Task Order #04 services completed at that time. <br />The completion of this Task Order #07 will also be dependent on the results of Task Order #06. If the <br />results of the bench testing associated with Task Order #06 are not found to be acceptable, this Task Order <br />#07 will be subject to modification. <br />The major Project improvements associated with this Task Order include: <br />1.Modification/replacement of existing pumps and motors in Well No. 4A and Well No. 5 as needed <br />to provide raw water to the modified treatment process stream <br />2.Addition of a new below-grade, concrete contact tank and associated High Service Pump (HSP) <br />station located outside of the existing GAC structure. <br />a.Contact tank will be added to the treatment process stream following the well pumps and <br />pre-chlorination vaults, and prior to the existing GAC units. <br />b.The associated HSP station design will include sizing and selection of new pumps, motors <br />and VFDs to provide the pressures required for direct supply through the remaining South <br />WTP process stream and into the South Pressure District. <br />3.Modifications to the Chlorine Room necessary to accommodate the following: <br />a.Increased chlorine storage to three, 1-ton cylinders.