Summary
Procurement of piping, equipment, components, and appurtenances involved within the operation of the treatment plant. Work includes the following supplemental equipment items: chlorine pressure gauges, 0-200 psi, with 500 psi over-pressure protection, complete with header valve, union nut, and adapter, to connect to the chlorine header line; chlorine vacuum gauges, 0-30 in hg, with 500 psi over-pressure protection, complete with header valve, union nut, and adapter, to connect to the chlorine line; chlorine gas filters; ppd chlorine vacuum regulator check unit and shut-off valves, with electric operator to reduce chlorine pressure to below atmospheric pressure and automatically shut-off the valve upon low temperature contact from the evaporator or loss of vacuum signal from the high/low vacuum switch. The unit shall include an integral regulator failure alarm switch. See attached file.