Section 5.10 - Modifications to Chapter 10, Installation of Specific Equipment(1) Delete sub-section 10.1.2 and replace with the following: 10.1.2 Installation in a Bedroom or Bathroom. Gas utilization equipment shall not be installed so its combustion, ventilation, or dilution air is obtained from a bedroom or bathroom:
EXCEPTION: Type 1 clothes dryers may be installed in bathrooms when the air for combustion and ventilation is introduced to the space in accordance with the following:
(a) A single air intake shall be installed and the minimum size of the single air intake shall be equal to the size of the exhaust vent area of the dryer, and:(b) The air for combustion shall not be obtained from a bedroom or bathroom, and;(c) The air for combustion shall be obtained from a space that is sized in compliance with Section 9.3, and:(d) The dryer is installed in compliance with Section 10.4.(2) Delete sub-section 10.2.5.(3) Delete sub-section 10.3.2.7.(4) Delete sub-section 10.3.2.8.(5) Delete sub-section 10.3.2.9.(6) Delete sub-section 10.3.5 and replace with the following: 10.3.5 Safety Control. Each steam and hot water boiler shall be equipped with a control which will prevent firing of the boiler in the event of insufficient water in the boiler.
(7) Delete sub-section 10.3.7.1.(8) Delete sub-section 10.3.7.2.(9) Delete sub-section 10.3.7.3.(10) Delete sub-section 10.3.8.(11) Delete sub-section 10.3.9.(12) Delete sub-section 10.6.1 and replace with the following: 10.6.1 Prohibited Installations.
(a) Decorative appliances that are designed for installation in vented fireplaces when installed in bedrooms or bathrooms shall be Direct Vent Appliances as defined in sub-section 3.3.6.3.(b) When decorative appliances are installed in vented fireplaces other than bedrooms and bathrooms, the flue damper shall be removed or welded in a fully open position.(13) Delete sub-section 10.7.1 and replace with the following: 10.7.1 Prohibited Installations. Vented gas fireplaces installed in bedrooms or bathrooms shall be Direct Vent Appliances as defined in sub-section 3.3.6.3.
(14) Add a new sub-section 10.8.2.3 as follows: Direct Gas-fired Industrial Air Heaters may not be utilized unless the manufacturer has specified that there is no more than 50 P.P.M. of Carbon Monoxide in the total volume of air discharged from the unit.
(15) Add a new sub-section 10.9.2.3 as follows: Direct Gas-fired Industrial Air Heaters may not be utilized unless the manufacturer has specified that there is no more than 50 P.P.M. of Carbon Monoxide in the total volume of air discharged from the unit.
(16) Delete sub-section 10.12.2 and replace it with the following: 10.12.2 Prohibited Appliances. The following equipment shall be prohibited:
(a) gas range ovens, broilers, or top burners for space heating purposes;(b) gas ranges with match-lit ovens;(c) any commercial cooking range without a listed oven safety pilot; and(d) appliances not in compliance with the statutory requirements of M.G.L. c. 148, § 25E.(17) Add a new sub-section 10.12.9 as follows: 10.12.9 Gas Valves Installed for Fire Protection/Suppression Systems.
(a) All gas valves shall be mechanical type with manual reset and shall be installed in close proximity to the cooking equipment and shall shut off the gas supply to the equipment served by the hood and duct system protected by the extinguisher/suppression system.(b) A permanent notice shall be posted at the reset device and gas meter or propane regulator cautioning the operator to shut off the gas to all appliances before resetting the device.(c) Actuation of the gas valve shall be made in the presence of the Inspector at the time of the gas piping tests. (18) Delete sub-section 10.13.3.(19) Delete sub-section 10.13.4.(20) Delete sub-section 10.14.2.(21) Delete sub-section 10.15.1.1(4).(22) Delete sub-section 10.16.2.(23) Delete sub-section 10.18.2(2).(24) Delete sub-section 10.19.2.(25) Delete sub-section 10.20.2.(26) Delete sub-section 10.21.2(3).(27) Delete sub-section 10.21.3.1.(28) Delete sub-section 10.21.4.(29) Delete sub-section 10.23.1* and replace with the following: 10.23.1* Prohibited Installations.
(a) Room heaters shall not be installed in bathrooms, bedrooms, or other sleeping quarters unless permitted by M.G.L. c. 148, § 25A and 527 CMR 30.04: Installation .(b)Exception: Notwithstanding sub-section 10.23.1*(a), room heaters may be utilized which are direct vented as defined in sub-section 3.3.6.3.(30) Replace sub-section 10.23.2 with the following: 10.23.2 Unvented Room Heaters.
(a) Unvented room heaters shall be installed in accordance with M.G.L. c. 148, § 25A and 527 CMR 30.00: Unvented Propane or Natural Gas-fired Space Heaters .(b) With regards to the installation of unvented room heaters, in the event of a conflict between 248 CMR 5.00 and M.G.L. c. 148, §25A and 527 CMR 30.00: Unvented Propane or Natural Gas-fired Space Heaters , the provisions of M.G.L. c. 148, § 25A and 527 CMR 30.00: Unvented Propane or Natural Gas-fired Space Heaters shall prevail.(c) In addition to complying with the permit requirements of 248 CMR 3.00: General Provisions Governing the Conduct of Plumbing and Gas Fitting Work Performed in the Commonwealth , a permit shall be obtained from the head of the fire department.(d) A final inspection by the Inspector shall not be performed until proof is provided that the head of the fire department having jurisdiction has granted a permit.(e) Installations shall be of a permanent type, with a permanently piped fuel supply. LPG appliances shall be subject to the storage requirements in accordance with 527 CMR 6.00: Liquefied Petroleum Gas Containers and Systems .(f) Unvented room heaters shall not exceed a maximum of 40,000 BTU input per room or space.(g) At least one listed carbon monoxide detector, that is installed in accordance with the manufacturer's instructions, shall be installed and maintained in the same room where the heater is located, or otherwise in the location specified by the manufacturer's instructions.(h) Unvented room heaters may not be the primary source of heat for any room or building.(31) Delete sub-section 10.23.3.(32) Delete sub-section 10.23.4 and replace with the following: 10.23.4 Clearance. A room heater shall be placed so as not to cause a hazard to walls, floors, curtains, furniture, doors when open, and so on, and to the free movements of persons within the room. Heaters designed and marked "For use in noncombustible fireplace only" shall not be installed elsewhere. Only listed room heaters shall be installed and must be installed in accordance with the manufacturer's installation instructions. In no case shall the clearances be such as to interfere with combustion air and accessibility.
(33) Add a new-subsection 10.24.2 as follows: 10.24.2 Stationary Gas Engines Used for Life/Safety. When a dedicated gas fuel line is installed for a stationary gas engine used for life/safety purposes, it shall be installed immediately downstream of the meter assembly or shut off valve (if no meter is provided) and shall meet the following requirements:
(a) The fuel line for the stationary gas engine and the fuel line for the remaining appliances shall have shut off valves installed immediately downstream of the meter assembly to enable each line to operate independently;(b) When pressure regulators are installed, they shall enable each fuel line to operate independently and not adversely affect the gas pressure of the other fuel line, and:(c) The fuel line for the stationary gas engine shall be labeled at each shutoff valve with the following: WARNING: Gas Used for Life/Safety, Avoid Shutting Off Gas Unless Necessary
(34) Delete sub-section 10.26.2.1(2).(35) Delete sub-section 10.26.2.2(3).(36) Delete sub-section 10.28.2.2.(37) Delete sub-section 10.28.3.(38) Delete sub-section 10.28.4.(39) Delete sub-section 10.28.5.(40) Delete sub-section 10.32.2 and replace with the following: Listed outdoor open flame decorative appliances do not require any product acceptance under 248 CMR 3.00: General Provisions Governing the Conduct of Plumbing and Gas Fitting Work Performed in the Commonwealth .
(41) Add a new section 10.33 as follows: 10.33 Gas-fired Kilns. Gas Fired Kilns must meet product acceptance requirements in 248 CMR 3.00: General Provisions Governing the Conduct of Plumbing and Gas Fitting Work Performed in the Commonwealth .
Adopted by Mass Register Issue 1275, eff. 12/5/2014.Amended by Mass Register Issue 1442, eff. 4/30/2021.