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05-08-23-R
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05-08-23-R
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forcemain project to 2024 and adding the proposed rehabilitation work at Lift Station 7 and Lift <br />Station 13 for 2023. <br />The Lift Station 7 rehab project has two elements, wet well work and bypassing sewage for <br />approx. 3 days (including overnights). The total combined cost for contracted services, labor, and <br />parts - $89,506. <br />Lift Station 7 Scope - <br />• Contract replacement of 2 complete submersible sewage pumps, 2 base elbows, guide <br />rails, and misc. brackets within the wet well. <br />• Utilize Northern Dewatering to setup and take down a bypass pumping system. The <br />pumping will need to be monitored by an AHPW staff member 24 hours a day. At this <br />point, no special permitting is required for this project. <br />• AHPW is responsible for the initial wet well cleaning, plugging the main lines, ramping <br />the bypass along County Road D, and providing traffic control. <br />• EP will provide a full equipment startup inspection and staff training on the new <br />components. <br />Proposals for the bypass pumping were received from two companies that were capable of <br />providing the service and equipment needed. The total cost difference between the two proposals <br />was $2,157. It is the recommendation of City Staff to contract with Northern Dewatering, even <br />though they have the higher proposal. They have specialized experience and have shown an <br />engineered bypassing design that staff has reviewed and is confident in using for this project. <br />The Lift Station 13 rehab project has two elements, wet well work and bypassing sewage for <br />approx. 2 days (16 daytime hours budgeted). The total combined cost for contracted services, <br />labor, and parts - $81,984 <br />Lift Station 13 Scope - <br />• Contract replacement of 2 complete submersible sewage pumps, 2 base elbows, ductile <br />piping, and misc. brackets within the wet well. <br />• Utilize Olson's Sewer to bypass truck sewage during daytime hours. The bypass trucking <br />will need to be monitored by an AHPW staff member. At this point, no special permitting <br />is required for this project. <br />• AHPW is responsible for the initial wet well cleaning, plugging the main lines and <br />providing traffic control. <br />• EP will provide a full equipment startup inspection and staff training on the new <br />components. <br />If approved, this project is anticipated to be completed September 2023. <br />Budget Impact <br />This project will be covered by the sanitary sewer fund. In addition to the contracted costs of <br />$171,490, the City will also incur overtime costs due to the monitoring needed by an AHPW <br />staff member. The impact to the Sewer Fund of moving these two lift stations up 7+ years will <br />not be known until we are further along in the 2024-2028 CIP process. <br />Page 2 of 3 <br />
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