Replace Six (6) Effluent Valves and Six (6) Actuators at HE Myers WTP

A. Furnish, install, startup, and test pneumatic rotary vane valve actuators and associated valves with required accessories as shown on the Plans and as specified herein. A single supplier shall provide the vane type pneumatic valve actuators and valves as one complete system. The CONTRACTOR shall furnish and install the required air tubing with fittings, connections, taps, pressure switches, electrical devices, wiring, and terminations necessary for a complete system and shall also install the valves with valve actuators. Each actuator shall have an isolation safety exhaust valve with locking handie provided at each branch airline to the actuator. Air tubing shall be furnished and installed from the compressor to the actuators. Air tubing and fittings shall be hard drawn copper and sized as shown on the Plans. Slope air headers to low points and provide moisture traps with drip legs at the low points. Branch connections off main line shall be made off the top of the main line. Furnish taps, isolation valves, and pressure switches on the air piping as shawn on the Plans. The CONTRACTOR shall coordinate between the pneumatic valve actuator/control valve supplier and the control system supplier to provide compiete and fully operational system. it will be the valve/actuator supplier's respansibility to provide actuators that are capable of sending and accepting the necessary signals from the control system. The valve/actuator supplier shall provide any limit switches, positioners or other devices necessary to enable the status of the valves {OPEN/CLOSE or position for modulating valves) to be monitored and contralled by the control system.

Division 40 -	Process Integration, Primary Control Devices, Linear Actuators and Positioners, Rotary Actuators.
Division 43 -	Process Gas and Liquid Handling, Purification, and Storage Equipment, Gas Compressors, Rotary Vane Compressors.
Division 46 -	Water and Wastewater Equipment, Filtration Equipment.