Maddox Reservoir Rehab
Scope: HEI Civil was on the list of select contractors to bid this project, which included 19,613 cys of excavation for the development of a water storage reservoir. Also included was the excavation of 2,000 cys of muck, 25,913 cys of materials to develop borrow sources of clean material to provide a sub-grade for the liner and the subsequent liner cover. HEI Civil designed and built a dewatering plan to allow construction to proceed. The entire site was in an alluvial deposit of soils that was composed of rock. Additional work included the installation of 339,277 sys of PVC liner. The project was originally scheduled to be constructed over 2 seasons, but HEI Civil staff was able to fast track the project with the help of its subcontractors in one season.