Code of Massachusetts Regulations › 248 CMR - BOARD OF STATE EXAMINERS OF PLUMBERS AND GAS FITTERS › Title 248 CMR 10.00 - UNIFORM STATE PLUMBING CODE › Section 10.09 - Interceptors, Separators and Holding Tanks

Current through Register 1525, July 5, 2024
(1)
Interceptors, Separators and Holding Tanks Required
.
			 Interceptors, separators and holding tanks shall be provided to prevent the
			 discharge of oil, gasoline, grease, sand, and other substances that are harmful
			 or hazardous to building drainage systems, public and private sewer systems,
			 systems governed by the Department of Environmental Protection (DEP), sewage
			 treatment plants, or other environmentally sensitive areas. No wastes other
			 than those requiring treatment or separation shall be discharged into any
			 interceptor, separator, or holding tank.
(a)
Separation or Containment of Gas, Oil, and Other Petroleum
			 Distillates
.
Note
: For purposes of
			 248
			 CMR 10.09, a motor vehicle shall be
			 considered a self-propelled road vehicle, commonly wheeled, including but not
			 limited to cars, buses, trucks, and tractors.
1.
Required
			 Locations
. A separation or containment system shall be required
			 for any building or structure containing:
a.
			 Motor vehicle parking, repair/maintenance, washing, and storage
			 areas;
b. Other spaces which are
			 sufficiently large enough to allow access by motor vehicles.
Exception.
A separation or containment
				system shall not be required for:
i.
			 Single family residential garages;
ii. Multi-family, condominium, and apartment
			 garages which are sufficiently small that they could only hold a maximum of six
			 motor vehicles;
iii. Buildings or
			 structures whose floor is unfinished or paved such that the surface is
			 sufficiently porous that any gas, oil, or other petroleum distillates would be
			 absorbed by the surface prior to reaching any separation or containment
			 systems;
iv. Buildings or
			 structures that are exclusively classified as a storage group pursuant to 780
			 CMR:
The Massachusetts State Building Code
which are
			 sufficiently small that they could only hold a single motor vehicle and there
			 is no other plumbing;
v. Showrooms
			 used for the purpose of selling used or new motor vehicles which are located
			 within a structure classified by the Plumbing Code,
			 248
			 CMR 10.10(18):
Table
			 1
, as a mall (covered) or retail (mercantile) that is open to and used
			 by the public; and
vi.
			 Installations where outside permanent bollards or other devices are spaced in
			 front of entrances to the building or structure to prevent the entrance of a
			 motor vehicle. Where permanent bollards are used, they shall be spaced no more
			 than 48" apart.
c.
Sump Pumps/Drains Used in Elevator Pits
.
i. Discharge from gravity drains or pumps
			 entering the sanitary or storm drainage system shall comply with the
			 requirements of
			 248 CMR
			 10.00. Elevators utilizing hydraulic oil or other
			 petroleum distillates which may be harmful to the sanitary of storm drainage
			 system shall discharge through a properly sized oil/water separator installed
			 in compliance with
			 248
			 CMR 10.09.
ii. Piping shall discharge into the building
			 sanitary system.
Exception:
i. Piping may discharge into the building
			 storm drainage system if permitted by any local ordinance, bylaw, rule, or
			 regulation.
ii. Product accepted
			 pumps equipped with sensors which divert volatiles may be installed in
lieu
of a gas/oil separation
			 system.