Specifications include, but are not limited to: - Building Modifications o Expand building footprint to the west 6' out across entire building width; Form one room within the expanded area for separate chemical storage/pumping equipment for the disinfection and corrosion control; Provide double doors with louvers to new room Provide wall mounted exhaust fan Seal louver on west side of building to separate new chemical room from well and electrical equipment room; o Remove interior walls for chlorine gas room; o Remove door for chlorine gas room and enclose opening on outer face of building, east side; o Replace double doors to main building and provide louvers; o Replace roofing, seal over opening for removed roof turbine, extend roof for building expansion; o Seal any new/modified building penetrations; o Provide wall mounted exhaust fan; o Paint building; - Electrical Modifications o Demolish existing overhead service entrance and weather head at building: o Demolish existing power distribution equipment and existing control panels in the building; o Coordinate with Dominion Energy and install new electrical service on site and new main disconnect switch at well building; o Relocate existing automatic transfer switch to extended north wall of well building; o Install new building lighting - interior and exterior; o Install new electrical distribution within building; o Install new grounding delta; o Install new grounding ring around elevated storage tank; o Furnish and install new SCADA control panel; o Retrofit existing SCADA pole as necessary and provide upgrades to coax cable, radio systems and control panel; o Furnish and install new instrumentation systems; o Furnish and install new reduced voltage solid state motor starter; o Connect and power all mechanical equipment requiring electrical power service; - Civil/Mechanical Modifications: o Replace/relocate eye wash station from within building and provide new water service; o Relocate chemical feed systems to new room in building. o Remove and replace 10” ductile iron well discharge piping – interior and exterior of building; o Replace flow meter on well discharge piping; o Replace 10” check valve on well discharge piping and provide limit switch; o Replace grating over valve vault; o Replace three 10” valves and piping in vault; o Install sump pump in valve vault, core common wall in vaults, and route pump discharge piping; o Install two new metering pumps for chemical feed and injection; o Replace concrete spillways for well flushing pipe at building and pipe at vault . o Provide all disinfection and testing required for SCDHEC clearance. - Additive Alternates o Well Pump Replacement Replace existing well pump with 125 Hp vertical turbine well pump and motor. Install well water level gauge o Video Log of Well o Drainage Discharge from Blowoff at Well Building
