69th Street Wastewater Treatment Plant (WWTP) Oxygen Plant Replacement

Description: Work includes 1 LS demolition of existing buildings and other existing site improvements; 1 LS installation of two (2) 42" casing pipes across railroad; 1 LS civil, yard piping, and site work; 340 SY lime stabilized subgrade for concrete pavement; 1 LS installation of back-up liquid oxygen storage and vaporization system equipment; 1 LS electrical and control building (excluding electrical and scada/i&c scope and instrument air equipment); 1 LS gaseous oxygen (gox) and high pressure air (hpa) piping; 1 LS drilled shaft and mat foundations; 1 LS scada and instrumentation and control improvements. See attached file.