Specifications include, but are not limited to: The Project consists of installing a new sewage forcemain from Lift Station No. 1 to the Wastewater Treatment Plant (WWTP), including a Missouri River crossing, and completing various improvements to Lift Station No. 1. Forcemain construction methods include trenched placement within each riverbank and Horizontal Directional Drilling (HDD) to cross the channel. A new cast-in-place concrete meter vault at the WWTP will provide a terminus for the new forcemain. Piping, valves and exterior vault replacement will facilitate forcemain connection at the Lift Station. The HDD Subcontractor will be qualified in general accordance with Section 4.4 of the RFQ/RFP. Lift station upgrades include replacement of the mechanical bar screen, several process valves, ultrasonic level transducer and controller, slide gates, service water supply and distribution, lighting, electrical and miscellaneous HVAC components. A new overhead door and interior coatings, minor plumbing, structural and site/civil repairs are also scheduled. Additional Lift Station No. 1 improvements will be considered with GCCM assistance including stormwater pump replacement, a backup generator and permanent bypass piping.
