“Normally, the sludge collector travels in the direction of the water flow. We were glad to be instrumental in the planning,” said Joe Brauch of Meurer Research, Inc.Įach of the basins is being retrofitted with 3,150 Inclined Plate Settlers and nine Hoseless Cable-Vac Sludge Collectors for a maximum peak flow of 35 mgd, or 140 mgd total for the four basins. Discussions about upgrading the plant began five or six years ago and the equipment design was central to the project. “We did all of the design work upfront in order to facilitate installation planning and budgeting. The unique shape and installation challenge required a highly customized design. In addition, the basin depths are five ft shallower than normal and installation access is limited. Situated along the James River, the 230-ft basins are slightly curved and longer than typical sedimentation basins. MRI, an engineering and manufacturing company, designed and built the plate settlers and sludge collectors to meet site specifications of engineering firm Whitman, Requardt & Associates, LLP. Retrofitting of the second basin will be completed this year. The phased approach enables the city of Richmond plant-one of the largest water producers in Virginia-to be upgraded without interrupting operations. To retrofit the four sedimentation basins, MRI equipment is being installed in one basin per year over a four-year period. The MRI system is designed for a maximum peak flow of 140 million gpd. Meurer Research, Inc.’s Inclined Plate Settlers and Hoseless Cable-Vac Sludge Collectors are being installed to replace aging equipment, improve effluent quality and enhance solids removal at the Richmond, Va., Water Treatment Plant.
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