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Irrigation Water Retention Project on CAID 328 and 239 Laterals

WLC was hired by the Casper Alcova Irrigation District (CAID) to complete designs for two lateral projects. Lateral 328 included the design of a pipeline system to replace existing open channel with 21” Plastic Irrigation Pipe (PIP). The pipeline was designed to convey a maximum of 10 CFS. Existing open-air structures were retained at the upper and lower ends of the pipeline to provide overflow protections and reduce project costs by utilizing existing valving for turnouts. The project design was used to estimate quantity of materials for bidding. The Lateral 239 design included direct replacement of an aging concrete 12” pipeline with 12” PIP. Direct connections to existing structures were used to reduce project costs by utilizing existing valving for turnouts. The project design was used to estimate quantity of materials for bidding. WLC prepared bidding documents for the procurement of materials for both lateral projects. WLC also administered the contract for these services. CAID self-performed the installation of the improvements. The funding for the purchase of materials was partially provided by the Wyoming Water Development Commission. Installation of the pipeline will allow retention of more irrigation water that was previously lost to channel seepage and evaporation. Our professional services helped the District personnel focus on maintaining and operating the system without spending time on contract administration and the associated paperwork.