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 10.13 - Piping and Treatment of Special Wastes

Current through Register 1525, July 5, 2024
(1)
General
.
(a) In no
			 case shall special wastes discharge into the plumbing system without being
			 thoroughly neutralized or treated by passing through a properly constructed and
			 acceptable diluting or neutralizing device.
(b) Only special wastes shall be discharged
			 into neutralization systems.
Exception
: Hand washing
			 sinks and floor drains within a laboratory as designed by a Massachusetts
			 professional engineer.
(c) The
			 required neutralizing device shall be automatically provided with sufficient
			 intake of neutralizing medium to make its contents non-injurious before being
			 discharged into the drainage system. The neutralizing device shall have an
			 accessible cover for maintenance.
(d) Special waste piping and treatment
			 systems shall be designed by a Massachusetts professional engineer with
			 reference to
			 314 CMR
			 12.00:
Operation and Maintenance and
			 Pretreatment Standards for Wastewater Treatment Works and Indirect
			 Dischargers
,
			 310 CMR
			 30.00:
Hazardous Waste
,
			 314 CMR
			 7.00:
Sewer System Extension and Connection
			 Permit Program
,
			 257 CMR
			 2.00:
Certification of Operators of Wastewater
			 Treatment Facilities
and
			 105 CMR
			 480.00:
Minimum Requirements for the
			 Management of Medical or Biological Waste (State Sanitary Code Chapter
			 VIII)
which contain others requirements applicable to wastewater
			 discharges. No provision of
			 248
			 CMR 10.13 is intended to modify or affect the
			 regulation of applicable wastes pursuant to the above regulations.
1. Plans stamped by a Massachusetts
			 professional engineer with a list of special waste material to be discharged
			 into the system shall be submitted to the local inspector prior to a plumbing
			 permit being issued.
2. The design
			 shall include a pH monitoring system with an audio/visual alarm. The
			 installation, including pipe sizing, dimension, and other aspects shall meet
			 the requirements for proper functioning, safety, and
			 248 CMR
			 10.00.
See
10:13:
Example
			 3
.
3. Once the
			 installation is complete but prior to final inspection, the installer must
			 provide the plumbing inspector with written certification by the designing
			 Massachusetts professional engineer stating the installation complies with the
			 stamped drawings and specifications. The Inspector shall not be responsible for
			 approving or inspecting design specifications, but must ensure the installation
			 adheres to the provisions of
			 248 CMR
			 10.00.
4.
			 All special waste piping shall be labeled in the following manner:
a. At a minimum of every ten feet;
b. At all changes of direction;
c. On each side of a penetration through a
			 partition, wall, ceiling, or roof;
d. The labels shall be yellow with black
			 lettering that:
i. indicate "Special Waste";
			 and
ii. the letters shall be sized
			 equal to a minimum, the pipe diameter. However, for piping with a diameter
			 exceeding two inches, said lettering does not need to be larger than two
			 inches.
(e) Treatment and/or disposal of special
			 waste shall be conducted in conformance with
			 310 CMR
			 30.00:
Hazardous Waste (DEP)
or other
			 authorities if applicable.