W 22 E Siphon Replacement
The W 22 E Siphon Replacement project included the demolition of an existing 42-inch concrete reinforced siphon pipe and the replacement of the pipe with a 42-inch HDPE siphon pipe.
The contract also included the demolition of the existing siphon inlet and outlet structures and the construction of new cast-in-place concrete inlet and outlet structures. Restoration of a county road, a gravel access road and an agricultural field were also included in the contract.
Points of Interest:
The contract specifications required completion of the project during the shutdown of the irrigation canal feeding the siphon
Shutdown began on October 15th and IMCO had until April 15th to complete the project
The siphon fed approximately 15,000 acres of farmland in the Columbia Basin