SPECIAL PERMISSION REQUEST – GENERAL NOTES
To obtain Special-Permission the applicant shall:
1. Include $86.00 non-refundable application fee. Make check payable to the Commonwealth of Massachusetts.
2. In some cases two or more boxes may be selected in Item (1) [i.e., Gray Water - Automatic Vent – In such
cases only one application fee will be assessed].
3. Submit the completed special-permission request application form to the Board office.
4. At the Board’s request, appear at a Board meeting to discuss the special permission request.
5. Submit a set of construction documents stamped by a Massachusetts Registered Professional Engineer.
6. Provide detail information and documentation for equipment, materials and operation of system, etc.
7. Provide manufacturer installation and operation manuals and any other relevant documentation.
8. Part (5) of this application, is reserved for official Board use only.
9. The Board will not process incomplete applications.
10. For assistance, call the Plumbing Board office at (617) 727-0801
11. Please read the following requirement(s) applicable to the type of request made.
Definition: Special-permission. Explicit permission from the Board that is required before installing certain products,
materials, or systems because the products, materials, or systems raise special safety considerations.
Definition: Variance. Authorization from the Board to install or retain a plumbing or gas fitting product, system, device or
fixture because the product, device, or fixture deviates form the requirements in 248 CMR and because the applicant has
established the existence of an undue hardship resulting from being required to comply with the requirements of 248
CMR.
SPECIAL PERMISSION REQUEST – SPECIFIC INSTALLATION NOTES
Water Recycling Systems - Gray Water - Black Water Onsite Waste Water Treatment
1. If applicable, the applicant must comply with the requirements of 310 CMR 15.00.
2. The water recycling system shall include the assembly of all piping, valves, pumps, meters and retaining tanks
for the installation at exterior or interior water recycling and reclamation system locations that shall include but
not limited to collection point and points of use for dedicated gray water, black water or, onsite wastewater
treatment systems.
3. The potable water system must be protected with a Board product approved high hazard backflow device or,
properly air-gapped at the point of connection.
4. The piping shall be installed in compliance with 248 CMR 10.00 or by methods approved by the Board.
5. The owner of the recycling equipment shall comply with the operation and maintenance manual scheduling
supplied by the manufacturer.
6. The potable water system piping shall be painted as follows:
a. Paint 3” wide bands of green at intervals of not more than 10’ and at points where the piping penetrates
through walls, floors and roofs.
b. The painted bands shall be applied to the piping on both sides of the walls and above and below the
floor or roof penetrations.
7. The dedicated gray or black water system piping shall be painted as follows:
a. The piping shall be painted purple.
b. The piping shall be completely colored throughout its entire length.
c. The piping shall be labeled “Caution Gray Water System” at every 10’.
d. The piping shall be painted at the start and end of all piping branches.
e. The paint shall be applied on both sides of the walls and above and below the floor or roof enetrations.
f. The piping shall be painted at termination points other than the actual fixture.
8.
Additional requirements for dedicated gray water, black water or onsite waste/storm water systems:
a. Water shall be dye colored blue
b. water shall have an acceptable form of disinfection
c. Recirculation for all storage tanks is required
Combination Waste and Vent System
A combination waste and vent system shall not be used unless no other system is possible or practicable and only after
the Board approves the Special permission request in compliance with 248 CMR 3.04.
1. When Special permission is granted, the following requirements shall be met:
a. The system is limited to the installation of floor drains and sinks.
b. It shall consist of a wet vented installation of waste piping in which fixture drains are not individually vent.
c. Every drainage pipe in a combination waste and vent system shall be not less than two pipe sizes larger
than the size required in 248 CMR 10.15