WAHIAWA DAM REHABILITATION

Project Description: The work shall generally consist of rehabilitation of Wahiawā Dam to bring the dam and its appurtenances into compliance with the State of Hawai’i Department of Land and Natural Resources (DLNR), Engineering Division, Dam Safety Program regulations. The dam rehabilitation involves: clearing and grubbing, topsoil stripping and stockpiling, excavation of portions of the existing dam embankment, dewatering and flow diversion, construction of a filter blanket, drain, and downstream embankment, spillway demolition and construction, topsoil placement and seeding, implementing erosion and sedimentation controls, selective wasting of excess materials, and selective demolition and disposal.