|(a) A wastewater treatment facility must be designed
with the ability to add provisions for removing fats, oils, and grease
(FOG) from the wastewater.
(b) If fats, oils, or grease have caused operational
failures in a treatment unit that is being altered, then FOG removal
must be provided to prevent future failures.
(c) The headworks of a wastewater treatment facility
must have a screening device or a grinding device.
(1) Screening devices include coarse screens and fine
(2) Grinding devices include grinder pumps, and other
grinding devices approved in writing by the executive director.
(d) A screening device or grinding device must not
be housed in the same structure as an office or any other work area
unless the area housing the screening device or grinding device is
separated from the rest of the structure by an air-tight partition.
(e) Each enclosure that houses a screening device or
grinding device and is accessible to individuals must have a vent
fan capable of providing at least 30 complete air exchanges per hour.
(f) Each screening device or grinding device must be
readily accessible for maintenance and screenings removal.
(g) Any screening device located 4.0 feet or more below
ground level must include mechanical equipment capable of lifting
the screenings to ground level.
(h) Screenings must be collected, managed, and disposed
of in accordance with §217.123 of this title (relating to Screenings
and Debris Handling) at a frequency that prevents creation of a nuisance.