Section NR 811.84 - Station requirements(1) The on-off operation of the pumps and the system pressure at the booster station shall be monitored at one of the main waterworks pumping stations, other waterworks facility, or wherever the master control panel is located. At stations serving 50 or fewer living units, monitoring may be provided by a light or an audible alarm placed in a conspicuous location outside the station to indicate pump failure. A continuous recording pressure device may be provided.(2) Pressure gauges shall be provided on the booster pump suction and discharge lines.(3) A flow meter shall be provided, if practical, in the booster pump discharge line. Booster pump motors shall be provided with hour meters if a flow meter will not be installed.(4) A metal smooth-end sampling faucet shall be installed on the combined booster pump discharge piping.(5) The design shall provide for automatically bypassing the pumping units when the pumps are not operating.(6) The design shall include piping and shut-off valves for manually bypassing the station when the station is out of service.(7) If chemical addition is necessary, the station shall be provided with a separate chemical room meeting the requirements of subchs. VI and VII.(8) General requirements for above grade stations are listed in subch. IV.(9) Underground stations shall be equipped with heating, ventilation, and dehumidification equipment. Sump and sump pump equipment shall be provided unless a discharge to the ground surface can be provided. Access manways shall terminate a minimum of 24 inches above grade with an overlapping, gasketed, watertight, locking cover. Sump pump discharge and vent pipes shall be metal and terminate a minimum of 24 inches above grade in a downward facing U-bend with a 24-mesh corrosion resistant screen. Chemical addition equipment may not be installed in underground stations.Wis. Admin. Code Department of Natural Resources NR 811.84
CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.Amended by, CR 22-074: am. (9) Register January 2024 No. 817, eff. 2/1/2024