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248 CMR: BOARD OF STATE EXAMINERS
OF PLUMBERS AND GAS FITTERS
2.04: continued
(20) Appeal Procedure. Any person aggrieved by the decision of an Investigator or
Inspector of Plumbing may appeal in writing to the Board of State Examiners of Plumbers
and Gas Fitters for a hearing. The written appeal shall be accompanied with a check in the
amount of$20, made payable to the Commonwealth of Massachusetts, shall be filed by the
appellant with the Executive Secretary who shall schedule the hearing and notify all interested
parties of same.
Should the Board of State Examiners of Plumbers and Gas Fitters find in favor of the
appellant, the check deposited with the Board shall be returned to the appellant.
The decision of the Board of State Examiners of Plumbers and Gas Fitters shall be final.
(21) Right of Entry. The Administrative Authority shall, after proper identification, have
the right to enter any premises for the purpose of inspecting any plumbing system and at such
times as may be reasonably necessary to protect the public health.
2.05: General Regulations
(1) Conforming with 248 CMR. All plumbing which is hereafter installed shall conform
to the provisions of 248 CMR.
(2) Pitch of Horizontal Drainage Piping.
(a) Horizontal drainage piping shall be run in practical alignment and at a uniform pitch.
(b) Horizontal drainage piping which is three inches or less in diameter shall be installed
with a pitch of not less than 1/a"per foot.
(c) Horizontal drainage piping which is larger than three inches in diameter shall be
installed with a pitch of not less than 'W'per foot
(d) Storm or sanitary sewers shall be installed at a slope which will produce a computed
velocity of not less than two feet per second.
(3) Changes in Direction.
(a) Fittings to Be Used. Changes in direction of drainage piping shall be made by the
use of wyes, long sweep quarter bends, fifth, sixth, eighth or sixteenth bends, or their
equivalent. Quarter bends,or their equivalent,may be used in soil and waste lines where
the change in the direction of flow is from the horizontal to the vertical.Tees and crosses
may be used for changes in direction in vent piping. Short sweep fittings may be used
in a branch waste line serving one outlet.
(b) Back to Back Fixtures. Shall be installed with fittings that will prevent the mixing
of the discharge prior to a change in direction of flow of the discharge from each fixture
or shall be installed with fittings especially designed to eliminate throw over from one
discharge to the other.
(4) Fittings and Connections Prohibited.
(a) Fittings Prohibited. No fitting which has T branch shall be used as a drainage
fitting. No fitting or connection which has an enlargement chamber or recess with a
ledge or shoulder, or reduction in pipe area shall be used. No running threads,bands or
saddles shall be used in the drainage system. No drainage or vent piping shall be drilled
or tapped, burned or welded. A fitting commonly referred to as a Sisson Joint is
prohibited.
(b) Obstruction to Flow. No fitting,connection,device,or method of installation which
obstructs or retards the flow of water, wastes, sewage, or air in the drainage or venting
systems in an amount greater than the normal frictional resistance to flow,shall be used
unless it is indicated as acceptable to 248 CMR as having a desirable and acceptable
function and as of ultimate benefit to the proper and continuing functioning of the
plumbing system. The enlargement of a three-inch closet bend or stub to four inches
shall not be considered an obstruction, provided the horizontal flow line or insert is ,,,
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continuous without forming a ledge.
12/1/93 248 CMR - 24
248 CMR: BOARD OF STATE EXAMINERS
OF PLUMBERS AND GAS FITTERS
2.04: continued
(15) Defective Plumbing.
(a) Whenever there is reason to believe that the plumbing system of any building has
become defective, it shall be subjected to test and/or inspection, and any defects found
shall be corrected as required in writing by the Inspector of Plumbing.
(b) Whenever additional plumbing, or alterations thereof, are being made, or installed,
in the existing buildings or premises, and existing plumbing is found to be in violation
of 248 CMR to the point of being a health menace or nuisance,or a safety hazard,such
existing plumbing shall be made to conform before any additional work may be
completed.
(16) Maintenance. The plumbing and drainage system of any premises shall be caused to
be maintained in a sanitary and safe operating condition by the owner or his agent.
(17) Demolition and Removal.
(a) When a fixture which is connected to the plumbing is permanently removed, a
permit for the work shall be secured. All connections to such a fixture shall be made
water and gas tight.
(b) Insofar as they are pertinent,the provisions of 248 CMR 2.04(17)(a)shall also apply
when a building or other structure is demolished.
(18) Violations. No person shall aid or abet any plumber to violate the provision of
248 CMR;connive at its violation;or employ an unlicensed person or permit his employment
in the performance of any work which is required by 204 CMR to be done by a plumber.
(19) Approval of Plumbing Materials. All materials and plumbing fixtures used in any
plumbing or drainage system or, part thereof shall meet with the approval of the Board of
State Examiners of Plumbers and Gas Fitters.
(a) Initial Approval. Each manufacturer of materials and equipment used in the
construction, installation, alteration, repair, or replacement of any plumbing or drainage
system shall apply for, and obtain, initial approval of each individual item or model
number which is to be made available for installation. Initial approvals shall be valid for
one year.
(b) Extended Approval. Prior to the expiration of any initial approval,the manufacturer
shall apply for,and obtain,an extended approval of the individual item or model number
in question. Said extended approval shall be valid for three years and shall be renewed
for like terms of three years upon the filing of an application thereof and payment of the
prescribed fee on or before its expiration.
(c) Applications for Approval. Applications for initial or extended approvals of the
plumbing fixtures or materials shall be made on forms provided by the Board. The
manufacturer shall identify each individual item or model number for which approval is
requested. A separate application form shall be submitted for each group of ten
individual items or model numbers,or fraction thereof,for which approval is sought. In
the event that a single manufacturer is seeking initial approval, or extended approval,of
more than 90 individual items or model numbers at any one time, the ten-item limit
specified above shall apply only to the first nine application forms submitted and the tenth
application form shall list all the remaining individual items or model numbers for which
approval is requested. The written request shall be accompanied with a non-refundable
check in the amount to be set by the Commissioner of Administration and Finance made
payable to the Commonwealth of MA.
(d) Product Approval Statement. Any product approved by the Board may carry the
statement: This product has been approved by Mass. Plumbing Board,Approval#
12/1/93 248 CMR-23