Current through Bulletin 2024-18, September 15, 2024
(1) Location. The
location for a pump station shall be compatible with the hydraulics of the
water system.
(2) Flood Protection
and Site Drainage.
(a) A pump station shall
be located at, or protected from, flooding to an elevation of at least three
feet above either the 100-year flood or highest recorded flood, whichever is
higher.
(b) The site for a pump
station shall be graded to direct surface water drainage away from the pump
station.
(3) Pump
Station Drainage and Flooding Prohibition. A pump station:
(a) may not be subject to flooding;
(b) shall be drained to prevent water from
collecting on the floor; and
(c)
shall provide an outlet for drainage from pump glands, air release valves, and
other equipment without allowing water to flow across the floor to reach the
outlet. See Subsection R309-550-6(6) for clearance requirements for air release
vent pipes discharging to floor drains.
(4) Access.
(a) A pump station shall be
accessible.
(b) Access to a pump
station in an underground vault or compartment or between floors of a pump
station shall be provided by a permanent stairway, ladder, or ramp.
(5) Construction, Security, and
Layout. A pump station shall be:
(a)
weatherproof;
(b) constructed and
maintained to exclude animals;
(c)
locked to prevent unauthorized entry and vandalism; and
(d) sized, configured, and equipped to allow
for:
(i) operation and maintenance;
and
(ii) installation and removal
of pumps and other equipment.
(6) Heating. Heating shall be provided if
needed:
(a) for the safe and efficient
operation of equipment; and
(b) to
prevent equipment from freezing.
(7) Lighting. Lighting shall be provided to
allow for the operation and maintenance of equipment.
(8) Ventilation.
(a) Ventilation shall be provided for a pump
station.
(b) Forced ventilation of
at least six air-changes per hour shall be provided for a pump station:
(i) in a confined space;
(ii) in a subsurface compartment or
vault;
(iii) if an unsafe
atmosphere may develop.
(9) Wet Wells. A Finished water wet well at a
pump station shall:
(a) be
waterproof;
(b) allow for the
removal of water and sediment;
(c)
be covered to protect the water from contamination; and
(d) have an access opening and a lid that
meet the requirements for a water storage tank in Section
R309-545-14.
(10) Return
of Used Water to the Drinking Water System Prohibited. Water withdrawn from a
public drinking water system for any use may not be returned to the
system.
(11) Automatic and
Remote-Controlled Stations.
(a) An
automatically operated pump station shall have an automatic signaling apparatus
that immediately notifies a water system operator when the station is out of
service.
(b) A remote-controlled
pump station shall be:
(i) electrically
operated and controlled; and
(ii)
have an automatic signaling apparatus that immediately notifies a water system
operator when the station is out of service.
