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PPMI recently completed the installation of the stainless steel digester gas piping, carbon steel hot water piping, HDPE natural gas piping, installation of two 10-million BTU boilers, four heat exchangers, two gas dryers, four foam separators, and two gas compressors for the Nashville biosolids project. PPMI's scope was part of the $117 million project designed to take the solid waste from the Metro Waste Water Treatment Plant and convert it into biosolids pellets to be sold for fertilizer.
PPMI was awarded a contract by Ameresco LLC to install a landfill gas blower station at Laubscher Meadows Landfille in Evansville, Indiana. This blower station draws methane gas from the landfill and supplies it to the Mead Johnson Nutritional facility in downtown Evansville. The methane is used to fire their existing boilers. Civil, mechanical, and electrical trades were utilized.
PPMI recently completed a large expansion at the Mt. Vernon, IN water treatment facility to include a new intake structure and filter building. Modifications were also made to existing clearwell and pretreatment buildings. PPMI performed all general construction, mechanical, electrical, and process instrumentation/controls. Additionally, PPMI constructed two new water booster stations.