Water Treatment Facility Improvements - General

The Work under this Contract includes improvements to miscellaneous treatment processes at the Town of North Andover’s Drinking Water Treatment Facility. System improvements include, but are not necessarily limited to, the following: 1. Influent Traveling Screen: Equipment inspection by manufacturer’s certified technician. Furnishing and installing new hardware and additional improvements identified as part of the equipment inspection. 2. Flocculation System: Select demolition of existing equipment to be replaced. Furnish and install new wetted components, including but not limited to, the shafts, paddles, bearings, supports, and all associated appurtenances. Furnish and install new variable frequency drives and complete associated electrical and I&C work. 3. Sedimentation System: Select demolition of existing equipment to be replaced. Furnish and install new drive assembly motors, drive cables, wheels, limit switches, and select suction piping for the sedimentation basin sludge removal systems. Complete all associated electrical and I&C work. 4. Finished Water System: Select demolition of existing equipment to be replaced. Furnish and install new finished water isolation valves and actuators. 5. Chemical Metering Pump Control System: Select demolition of existing equipment to be replaced. Furnish and install new chemical metering pump control panels and motor drives. 6. Rapid Mix System: Select demolition of existing equipment to be replaced. Furnish and install new rapid mixer units in their entirety including new gear motors, motor controls, and associated electrical equipment.

Water Treatment Plant, Renovation.

Division 03 -	Concrete, Cast-in-Place Concrete.
Division 09 -	Finishes, Painting and Coating.
Division 26 -	Electrical, Common Work Results for Electrical, Raceway and Boxes for Electrical Systems.
Division 40 -	Process Integration, Common Work Results for Process Integration, Common Work Results for Process Piping, Instrumentation and Control for Process Systems, Primary Control Devices, Variable Frequency Drives.
Division 41 -	Material Processing and Handling Equipment, Batching Equipment, Mixers.
Division 46 -	Water and Wastewater Equipment, Sediment Removal Equipment.