Construction of zoned embankment fill and cut off key.
A complete range of services was provided on this project from a feasibility study to a complete geotechnical engineering, civil engineering, and environmental investigation. Upon completion of the investigations, the project moved forward with the design of the reservoir, preparation of plans and specifications, and permit acquisition assistance with local and state agencies. Resident engineering services were provided during embankment construction, and first filling. We are currently providing ongoing monitoring and inspection services.
Site overview from southwest corner showing intake inflow from Last Chance Ditch.
Major project components included a 65-foot high, 3.5 million cubic yard zoned earth embankment, a 23,000 cubic feet per second Probable Maximum Flood by-pass channel with grouted riprap drop structures, a multi-leveled outlet works, 500 foot long concrete spillway, 3200 cubic yard buried concrete channel liner, and two inlet structures.
Overview of embankment construction.
The ancillary components for the reservoir; included 3,000 lineal feet of 48-inch diameter steel pipe, a 60 cubic feet per second pump station and 700 feet of interceptor drain to control the outside groundwater table.
Overview of PMF Channel.
Client: Centennial Water and Sanitation District
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