Hayford Siphon Replacement Project, Contract No. 2021-07

The Hayford Siphon Replacement Project involves the construction and completion of demolition and abandonment of approximately 200 feet of existing 30- & 24-inch riveted steel pipe, construction of retaining wall, new canal, intake and outlet structures, installation of approximately 2050 feet of 36-inch ductile iron pipe, and approximately 105 feet of carrier and casing pipe installation using trenchless installation methods. The project also includes other work such as mobilization, demobilization, worker protection and safety, clearing, grubbing, and tree removal, earthwork, site grading, traffic control, and more. The contract was awarded through a competitive bidding process, with multiple bidders submitting proposals. The contract documents include plans, specifications, and addenda. • The project involves the replacement of an existing siphon with a new one. • The project includes the installation of new pipes and structures. • The project requires the demolition and abandonment of existing pipes. • The project involves the construction of a retaining wall and new canal. • The project includes the installation of intake and outlet structures. • The project requires the use of trenchless installation methods for the carrier and casing pipe. • The project involves the clearing, grubbing, and tree removal of the site. • The project requires the implementation of worker protection and safety measures. • The project involves the control of traffic during construction.