Lowering 104 Inch Steel Pipe into trench.
The pipeline portion of the Standley Lake Rehabilitation was comprised of two 72-inch diameter intake pipes, 104-inch diameter outlet pipe, 84-inch diameter outlet pipe, and miscellaneous yard and discharge pipes. The intake pipes were installed by microtunneling. The 84-inch outlet pipe and most of the 104-inch pipe was installed by standard cut and cover methods. Upon tunnel completion, 962 feet of 104-inch diameter pipe were placed in the tunnel and the annular space was filled with cellular concrete grout. All pipes were steel with an internal field applied mortar lining.
Deere & Ault’s staff provided construction engineering for the pipe installation and all underground work.
Clients: FRICO, Cities of Westminster, Northglenn, and Thornton
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