The overall focus of this project is to reduce inflow/infiltration (I/I) of groundwater into manholes located where there is river influence contributing to groundwater getting inside the manholes. The wastewater treatment & resource recovery facility (WWTRRF) provides biological treatment of sanitary sewer collection flows. WWTRRF does not provide any treatment of groundwater entering the collection…
City staff has worked with our consultant, Consor, to complete a project package for manhole rehabilitation work. The overall focus of this project is to reduce the amount of groundwater and riverwater that enters the wastewater system through manholes. This is known as reducing the inflow/infiltration (I/I) of groundwater into manholes located where there is river…
The overall focus of this project is to reduce inflow/infiltration (I/I) of groundwater into manholes. The wastewater treatment & resource recovery facility (WWTRRF) does not provide any treatment of groundwater entering the collection system, and that water has to be pumped, impacting the overall biological treatment. This project provides for measures to seal the contact…
A new sewage lift station (1,375 gpm firm capacity) with triplex submersible pumps located in a precast concrete wet well, a valve vault structure designed as occupied space, and associated pipe, valves, fittings, and site grading.