CONCRETE COATING/REPAIR & UPGRADE (MWRA), PHASE I, II, CONTRACT NO. 6172, 6403, DEER ISLAND/NUT ISLAND , BOSTON, MA

Owner: Massachusetts Water Resource Authority
Engineer: Metcalf & Eddy
Contract Amount: Deer Island: $9,091,184; Nut Island: $19,939,554
Completion Dates: March 1998; December 1999

• Furnish and install concrete protective lining materials
• Furnish and install 100% solids epoxy on concrete in primary clarifiers, effluent launders and scum boxes; and centrifuge thickener building waste sludge wet wells
• Furnish and install high solids epoxy on metals in scum skimmer tubes, pipes protruding into primary clarifier influent channels, high pressure plant water and hot water flushing water piping in primary clarifier influent channels, primary scum piping in the primary clarifier effluent channels and all exposed piping inside digested sledge wet wells