Providing design and construction administration services for replacing an inverted siphon pipe.
Belle Fourche Irrigation District
2012 - 2015
Newell, South Dakota
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RESPEC provided design and construction administration services for replacing 96-inch-diameter above-ground inverted siphon pipe for the Belle Fourche Irrigation District. The project included installing approximately 1,800 linear feet of buried 84-inch and 96-inch gasketed, reinforced concrete pipes. Access manholes and closure sections that connect to existing siphon structures were also installed.
This project required excavations up to 20 feet deep, extensive dewatering, and stream course diversions. The work was completed during harsh winter conditions when the irrigation canals were offline.
RESPEC provided full-time construction administration services, including daily observations and documenting activities; reviewing and approving shop drawings; processing pay applications, Requests for Information (RFI), and Requests for Proposals (RFP); coordinating and observing third-party materials testing; conducting project meetings; developing punch lists; and performing close-out inspections.
RESPEC personnel also completed control surveys, observed joint testing, and produced record drawings of the completed project. RESPEC coordinated design revisions and RFI responses with the Belle Fourche Irrigation District and the US Bureau of Reclamation (the federal project owners).