Foxwoods Wastewater Treatment Plant,
Mashantucket, CT
Client: Mashantucket Pequot Tribal Nation
Architect: Metcalf & Eddy
Contract Value: $6,028,985

Wastewater Treatment Plant expansion included demolition of existing equipment, installation of new equipment and yard piping, without disrupting operation of the plant. The expansion in-creased the capacity of the WWTP to accommodate the expan-sion of the Foxwoods Resort and Casino, specifically the 900-room MGM Grand at Foxwoods.

• Bypass WWTP effluent to install newly configured effluent disposal bed piping.

• Installation of new SBR decant piping around existing odor control duct and tying into existing equalization tank.

• Sequencing the installation of 3 new disk filters while keeping at least 2 disk filters online.

• Disinfect plant effluent with temporary chlorination system while constructing the new UV System, all within tight time frame so that UV disinfected effluent is available for use at the Lake of Isles Golf Course.

• Transfer 2 million gallons of sewage from online SBR to new SBR. Retrofit existing SBR with new retractable diffusers similar to new SBR.