Wastewater Visibility News
May 21, 2018
Wastewater Visibility News
80-Cubic Yards of Sand and Grit Removal from Lift Station
Challenging Confined Space Entry in Anastasia Island Anastasia Island’s Wastewater Treatment Facility (WWTF) was experiencing reduced pumping capacity due to accumulated solids in their influent lift station, a facility with a permitted capacity of 4.95MGD. Due to the challenging nature of the 35-foot deep structure, Anastasia Island’s wet well hadn’t been cleaned in several years, resulting in the accumulation of a significant amount of material. “The pump station consists of four Gorman-Rupp self-priming solids handling centrifugal pumps,” explained James Overton, P.E., at the St. Johns County Utility Department (SJCUD). “Due to grit and rags that accumulated, one pump was completely