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09-25-23-R
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09-25-23-R
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Mr. Swearingen I Arden View Neighborhood CIPP Lining <br />Proposal for Engineering Services <br />September 11, 2023 <br />Page 3 <br />2nd Street Lining 1-MN-320 Interceptor Rehabilitation MCES Interceptor Lining, Minneapolis, MN <br />TKDA worked on the rehabilitation and structural lining of four sections of existing sanitary sewer interceptor. The <br />project included CIPP lining of 1,846 feet of 54-inch gravity sanitary sewer, cementitious liner rehabilitation on five <br />manhole structures, and design of temporary conveyance for the duration of the work. <br />Sewer Interceptor Rehabilitation Phase IV, St. Cloud, MN <br />TKDA assisted the City of St. Cloud on planning, design and construction administration of the fourth phase in the <br />City's efforts to rehabilitate their sanitary sewer interceptor system. The Phase IV system is a 10,000 linear foot 60- <br />inch and 54-inch diameter reinforced concrete pipe that had experienced severe hydrogen sulfide corrosion. TKDA <br />was retained by the City to develop a preliminary design plan to determine the most feasible method of pipe <br />rehabilitation and then, following consensus on that determination, to implement the final design plans for bidding. <br />Following the determination of the lowest qualified bidder, TKDA conducted construction administration throughout <br />the construction phase. <br />TKDA analyzed sewer tapes, record documents, field notes, stakeholder's lists, flow data, existing pipe <br />characteristics and preliminary construction cost estimates and made a recommendation to implement slip line pipe <br />rehabilitation with a some of CIPP rehabilitation. The interceptor configuration was determined to be ideal for slip <br />lining rehabilitation although some CIPP rehabilitation along the route necessitated bypassing of sewerage. <br />TKDA designed the rehabilitation of the interceptor system with fiberglass pipe to be utilized as the insertion pipe <br />material. Three slip line excavation locations were identified as potential locations where the contractor could begin <br />the slip line effort. The City wanted this project to be completed in a short time frame. As such, TKDA maximized <br />our in house planning and design capabilities and completed the planning, design, and contractor prequalifi cation <br />process in about five months. <br />III. SERVICES TO BE PROVIDED BY TKDA <br />Work Plan <br />A. Project Plans — TKDA will utilize GIS mapping to create mapping of the project area to communicate project <br />limits and locations. We will review the sanitary sewer televising to determine if other repairs are needed ahead <br />of the CIPP lining process. We will review service laterals for issues and count the number of service laterals <br />that need to be re-established. <br />Deliverables: GIS Plans <br />Review Televising Report <br />B. Project Manual — TKDA will review the City standard specifications for CIPP pipe lining and modify the <br />specifications for the Arden View Drive CIPP lining project. A bid form will be created for the project and included <br />in the project manual. <br />Project Manual <br />Deliverables: Advertisement for Bids <br />Bid Form <br />C. Bidding Services — TKDA will handle the bidding for the Arden View Neighborhood CIPP lining project including, <br />QuestCDN coordination, bid questions and addenda, bid opening, bid tabulation, and bid recommendation <br />letter. A letter will be drafted (mailed by the City) to communicate to residents within the project area. <br />QuestCDN coordination <br />Bidder Questions / Addenda <br />(as needed) <br />Deliverables: Bid Opening <br />Bid Tabulation <br />Bid Recommendation Letter <br />Project Communication <br />Letter <br />1 <br />
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