York and Cumberland Counties, PA Project Background: The Slate Hill Road Bridge was built between 1859 and 1860. Serving as York County’s bridge engineer, C.S. Davidson, Inc. observed and documented the continued deterioration of the structure during annual...
Jackson Township, York County, PA This project included the addition of a fourth Parkson Biolac treatment basin and concrete secondary clarifier; a third aerobic digester; new blowers; a new diesel backup power generator; new influent, suction-lift Gorman Rupp pumps;...
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