Heads up: There are no amended sections in this chapter.

11.1 Electrical Fire Safety

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11.1.1 General

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11.1.2 Permanent Wiring, Fixtures, and Equipment

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11.1.2.1

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11.1.2.2

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11.1.2.3

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Multiplug adapters, such as multiplug extension cords, cube adapters, strip plugs, and other devices, shall be listed and used in accordance with their listing.
Multiplug adapters shall not be used as a substitute for permanent wiring or receptacles.
Relocatable power taps shall be of the polarized or grounded type with overcurrent protection and shall be listed.
The relocatable power taps shall be directly connected to a permanently installed receptacle.
Relocatable power tap cords shall not extend through walls, ceilings, or floors; under doors or floor coverings; or be subject to environmental or physical damage.
Extension cords shall be plugged directly into an approved receptacle, power tap, or multiplug adapter and shall, except for approved multiplug extension cords, serve only one portable appliance.
The ampacity of the extension cords shall not be less than the rated capacity of the portable appliance supplied by the cord.
The extension cords shall be maintained in good condition without splices, deterioration, or damage.
Extension cords shall be grounded when servicing grounded portable appliances.
Extension cords and flexible cords shall not be affixed to structures; extend through walls, ceilings, or floors, or under doors or floor coverings; or be subject to environmental or physical damage.
Extension cords shall not be used as a substitute for permanent wiring.

11.1.6 Temporary Installations

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11.1.6.1 Scope

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11.1.6.2 All Wiring Installations

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11.1.6.2.1 Other Articles

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11.1.6.2.2 Approval

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11.1.6.3 Time Constraints

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11.1.6.3.1 During the Period of Construction

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11.1.6.3.2 90 Days

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11.1.6.3.3 Emergencies and Tests

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11.1.6.3.4 Removal

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Means shall be provided for the fire department to disconnect the electrical service to a building, structure, or facility when the electrical installation is covered under the scope of NFPA 70.
The disconnecting means shall be maintained accessible to the fire department.

11.1.7.3 Identification of Disconnecting Means

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11.1.7.3.1

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All panelboard and switchboards, pull boxes, junction boxes, switches, receptacles, and conduit bodies shall be provided with covers compatible with the box or conduit body construction and suitable for the conditions of use.

11.2 Heating, Ventilation, and Air-Conditioning

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11.2.1 Air-Conditioning, Heating, Ventilating Ductwork, and Related Equipment

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11.2.2 Ventilating or Heat-Producing Equipment

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11.3 Elevators, Escalators, and Conveyors

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11.3.1 Fire Fighters' Emergency Operations

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11.3.1.1

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11.3.1.2

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11.3.2 Number of Cars

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11.3.3* Elevator Machine Rooms

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11.3.4 Elevator Testing

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11.3.4.1

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11.3.4.2

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11.3.4.3

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11.3.5 Openings to Exit Enclosures

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11.3.6 Standardized Fire Service Elevator Keys

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11.3.6.1

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11.3.6.2

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11.3.6.3 Existing Buildings

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11.3.6.3.1

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11.3.6.3.1.1

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11.3.6.3.1.2

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11.3.6.3.1.3

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11.3.6.3.1.4

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11.3.6.3.1.5

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11.3.6.3.1.6

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11.3.6.3.1.7

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Equipment using fuel gas and related gas piping shall be in accordance with NFPA 54, National Fuel Gas Code, or NFPA 58, Liquefied Petroleum Gas Code. (See Chapter 69 for LP-Gas fuel supply and storage installations.)
Existing installations shall be permitted to be continued in service, subject to approval by the AHJ.
Aboveground gas meters, regulators, and piping exposed to vehicular damage shall be protected in accordance with 60.5.1.9.

11.5.1* General

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A.11.5.1 All fuel oil burners and all equipment in connection there with shall be installed and maintained in accordance with the manufacturer's installation and operation manual. Chimneys, connectors, direct vent systems and power-venters shall also be installed in accordance with the Building Code.
The installation of stationary liquid fuel-burning appliances, including but not limited to industrial-, commercial-, and residential-type steam, hot water, or warm air heating appliances; domestic-type range burners; space heaters; and portable liquid fuel-burning equipment shall comply with Section 11.5 and NFPA 31, Standard for the Installation of Oil-Burning Equipment.

11.5.1.1.1 Terms

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As used in Chapter 11, the enclosed terms shall have the following meaning assigned to them.

11.5.1.1.1.1 Gravity Feed Burner

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A burner which receives its fuel oil supply by static head pressure due to elevation of the supply source.

11.5.1.1.1.2 Post Purge Control

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An electrical control that is designed to allow the power venter or burner to operate after the burner flame has shut off, thus purging the vent system and heating appliance of combustion gases.

11.5.1.1.2

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This Section shall not apply to fuel oil burners installed in steam boilers of nine horsepower and over and operated above 15 psi, but shall apply to the fuel oil storage.

11.5.1.1.3 Unsafe Heating Appliances

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The Head of the Fire Department shall order the sealing (preventing the use) of any existing stove, oven, furnace, incinerator, boiler or any other heat producing device or appliance found to be defective or in violation of code requirements for existing appliances after giving 24 hours notice to this effect to any person, owner, firm, agent or operator in charge of same. However, the Head of the Fire Department shall seal any device or appliance without notice when inspection shows the existence of an immediate fire hazard or when imperiling human life. The sealed defective appliance shall remain withdrawn from service until all necessary repairs or alterations have been made.

11.5.1.1.3.1 Unauthorized Seal Removal

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No person or user, firm or agent shall continue the use of any device or appliance which has been sealed or ordered sealed, unless written authority to remove said seal is given by the Head of the Fire Department.
Section 11.5 shall also apply to all accessories and control systems, whether electric, thermostatic, or mechanical, and all electrical wiring connected to liquid fuel-burning appliances, and shall comply with Section 11.5 and NFPA 31, Standard for the Installation of Oil-Burning Equipment. [31:1.1.2]
Section 11.5 shall also apply to the installation of liquid fuel storage and supply systems connected to liquid fuel-burning appliances, and shall comply with Section 11.5 and NFPA 31, Standard for the Installation of Oil-Burning Equipment. [31:1.1.3]
Section 11.5 shall also apply to those multifueled appliances in which a liquid fuel is one of the standard or optional fuels. [31:1.1.4]
Section 11.5 shall not apply to internal combustion engines, oil lamps, or portable devices not specifically covered in NFPA 31. (See Chapter 11 of NFPA 31 for portable devices that are covered in NFPA 31.) [31:1.1.5]
The installation of gas-fired heating appliances shall comply with Section 11.5 and NFPA 54. (See Chapter 69 for LP-Gas fuel supply and storage installations.)
All heating appliances shall be approved or listed.
Permits, where required, shall comply with Section 1.12.
Electrical wiring and utilization equipment used in connection with oil-burning appliances or equipment shall be installed in accordance with Section 11.1. [31:4.4.1]
The type and grade of liquid fuel used in a liquid fuel-burning appliance shall be that liquid fuel for which the appliance is listed and approved or is stipulated by the manufacturer. Liquid fuels shall meet one of the following specifications and shall not contain gasoline or any other flammable liquid:
  1. ASTM D 396, Standard Specification for Fuel Oils
  2. ASTM D 3699, Standard Specification for Kerosene
  3. ASTM D 6448, Industrial Burner Fuels from Used Lube Oils
  4. ASTM D 6751, Standard Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuel
  5. ASTM D 6823, Commercial Burner Fuels from Used Lube Oils [31:4.5.1]
Crankcase oil or used oil shall not be used as fuel unless all of the following conditions are met:
  1. The installation is in a commercial or industrial occupancy.
  2. The oil-burning appliance is designed to burn crankcase oil or used oil and is listed for such use.
  3. The appliance is installed in accordance with the manufacturer's instructions and with the terms of its listing.
  4. The installation meets the applicable requirements of Section 4.6 and Chapter 12 of NFPA 31. [31:4.5.2]
Where heavy oils are used, the following shall be required:
  1. The oil-burning appliance shall be designed to burn such fuels.
  2. Means shall be provided to maintain the oil at its proper atomizing temperature.
  3. Automatically operated burners that require preheating of oil shall be arranged so that no oil can be delivered for combustion until the oil is at the proper atomizing temperature.
  4. *Use of an oil-fired appliance that is listed in accordance with ANSI/UL 296A, Standard for Waste Oil-Burning Air-Heating Appliances, shall be deemed as meeting the intent of 11.5.1.10.3(1) through 11.5.1.10.3(3). [31:4.5.3]
A properly sized and rated oil filter or strainer shall be installed in the oil supply line to an oil burner. [31:4.5.4]

11.5.1.10.5 General Requirements

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  1. Installation. All fuel oil burners and all equipment in connection therewith shall be installed and maintained in accordance with the manufacturer's installation and operation manual. Chimneys, connectors, direct vent systems and power-venters shall also be installed in accordance with the Building Code.
    1. A person holding a certificate of competency as an oil burner technician may connect or disconnect for the purpose of repair or replacement, any device or control required by this Code to be part of an oil burner installation, or being an integral part of the oil burning equipment, at the connection on such device, control or part to be repaired or replaced, notwithstanding any contrary provision of M.G.L. c. 141.
    2. Any person licensed as an electrician under M.G.L. c. 141 may do any electrical work in connection with the alteration, repair, or installation of oil burning equipment without being certified as an oil burner technician.
  2. Automatic Shut Off. An approved automatic means to prevent abnormal discharge of fuel oil shall be provided for any fuel oil burner for which a competent attendant will not be constantly on duty in the room where the burner is located.
  3. Exposure to Fire. If any oil tank, oil burner, oil burner control or wiring related to an oil burner has been exposed to fire and is suspected of being damaged, the entire installation shall be made inoperative by the Head of the Fire Department who shall so notify the owner or occupant of the building or structure. Said installation shall not be operated until approved by the Head of the Fire Department.
  4. Tank Removal. Unless otherwise provided for in Chapter 66, a permit shall be obtained, in accordance with Section 1.12.8.2, from the Head of the Fire Department for the removal of a fuel oil storage tank. Any person removing a fuel oil storage tank from inside a building for a purpose other than replacement or repair, shall remove all fill and vent pipes.
  5. Fuel Oil. The grade of fuel oil used for any fuel oil burner shall be one which tests and experience have been shown to be suitable for use with that burner, but in no case shall the grade of fuel oil be heavier than that for which the burner has been designed or adjusted.
  6. Gravity Feed to Burners. Gravity feed shall be used only with a burner arranged to prevent abnormal discharge of oil at the burner by automatic means specifically approved for the burner in which it is used.
  7. Fuel Oil Delivery. Fuel oil shall not be delivered to any storage tank, unless the deliverer has knowledge that a permit has been obtained in accordance with Section 1.12.8.2. Fuel oil shall not be delivered to a storage tank bymeans of a pump or under pressure in any case where a tight connection is made between the discharge line and the tank inlet, unless such storage tank is designed to withstand the additional stress to which it may be subjected or unless the vent pipe for such tank is of sufficient size to relieve the tank of any undo pressure in excess offive psi. The delivery truck operatorshall remain at the fill point during the entire operation.
  8. Fuel oil equal to the maximum capacity of the storage tank may be delivered without such a permit being in effect whenever an oil burner installation is first made, provided that an application has been made in accordance with Section 1.12.8.2.
  9. Connection. Cross connection of oil supply and return lines to two or more supply tanks to the same burner shall be acceptable and shall be made by a pipe no smaller than 1/2 inch iron pipe or 1/2 inch O.D. tubing.
  10. Two supply tanks may be provided with a single fill and a single vent provided:
    1. The fill and vent pipes are not connected to the same tank;
    2. The crossover pipe is a minimum two inch diameter with swing joints and a ground joint union; and
    3. The vent to the outside is a minimum two-inch diameter.
  11. Tanks shall be mounted on a continuous concrete slab extending eight inches beyond the perimeter of the tank or tanks.

11.5.1.10.5.1 Permit

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Permits, where required, shall comply with Section 1.12.

11.5.1.10.6 Unenclosed Tanks: Installation Inside Buildings

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When tanks are installed inside garages or other areas subject to vehicular impact, physical barriers shall be provided. The physical barrier shall consist of substantial pipes, or similar barriers.

11.5.1.10.7 Tanks Installations Outside of Buildings

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  1. Tanks installed outside of buildings shall be mounted on a continuous concrete slab at least four inches in thickness and extending eight inches beyond the perimeter of the tank or tanks.
  2. Tanks installed outside of buildings shall be securely supported by rigid noncombustible supports to prevent settling, sliding or lifting.

11.5.1.10.8 Fill and Vent Piping

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  1. Vent pipes shall terminate outside of buildings at a point not less than two feet (0.6 m) measured vertically or horizontally from any building opening.
  2. Outer ends of vent pipes shall terminate in a weatherproof vent cap or fitting or be provided with a weatherproof hood. All vent caps shall have a minimum free open area equal to the cross sectional area of the vent pipe and shall not employ screens finer than four mesh. Vent pipes shall terminate at least three feet from grade to avoid being obstructed with snow and ice. Vent pipesfrom tanks containing heaters shall be extended to a location where oil vapors discharging from the vent will be readily diffused. If the static head with a vent pipe filled with oil exceeds ten psi (70 kPa), the tank shall be designed to withstand the maximum static head which will be imposed.
  3. A fixed sash window shall not be considered an opening for the purpose of this Section.

11.5.1.10.9 Oil Gauging

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All storage tanks in which a constant level of oil is not maintained by an automatic pump shall be equipped with a method of determining oil level. On cross connected tanks provided with a single fill and single vent, the gauge shall be installed on the tank vented to the outside.

11.5.1.10.10 Oil Burners, Light Fuel Oil Type

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11.5.1.10.10.1 Oil Supply and Return Lines

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  1. All threaded joints and connections shall be made tight with suitable lubricant or pipe compound. Teflon tape shall not be used. Unions requiring gaskets or packings, right or left couplings, and sweat fittings employing solder having a melting point of less than 500°F (260°C) shall not be used in oil lines. Compression type fittings shall not be used.
    Exception: Mechanical connections on tubing of the flare type or gaugeable, two ferrule, swage type fittings are acceptable.
  2. Oil supply lines shall be rigidly secured in place and protected from injury and shall be protected against corrosion. All new oil supply lines in direct contact with concrete or earth shall be enclosed with a continuous nonmetallic sleeve that extends out of the concrete or earth a minimum of four inches on each end. Perimeter lines may be placed in an outer protective covering, in addition to the continuous nonmetallic sleeve, when subject to physical damage.
  3. A person holding a certificate of competency as an oil burner technician may connect or disconnect for the purpose of repair or replacement, any device or control required by this Code to be part of an oil burner installation, or being an integral part of the oil burning equipment, at the connection on such device, control or part to be repaired or replaced, notwithstanding any contrary provision of M.G.L. c. 141.
  4. Any person licensed as an electrician under M.G.L. c. 141 may do any electrical work in connection with the alteration, repair or installation of oil burning equipment without being certified as an oil burner technician.
  5. On existing installations, whenever a burner, boiler, furnace or tank is replaced, the oil supply line shall either be replaced or enclosed with a continuous sleeve as for new installations or a listed oil safety valve shall be installed at the tank end of the oil supply line in accordance with the manufacturer's instructions.
  6. An oil safety valve and continuous nonmetallic sleeve is not required when:
    1. The oil supply and return lines are not in direct contact with concrete, earth or any floor surface.
    2. When the burner is located above the oil supply tank and the entire oil supply line is connected to, and above the top of the tank.
  7. Every owner of a residential property defined as a one- to four-dwelling unit used for living or sleeping (M.G.L. c. 148, § 38J) with oil supply and return lines not enclosed with a continuous nonmetallic sleeve or equipped with a listed oil safety valve, shall either replace the line and enclose it with a continuous sleeve as for new installations or shall have a listed oil safety valve installed at the tank end of the supply line in accordance with the manufacturer's instructions.
  8. Nothing in this Code shall prohibit overhead installation of oil supply and return lines or cross connection of oil supply lines from multiple tanks.
  9. Oil supply lines and return lines to tanks exposed to freezing temperatures shall be connected to the top of the tank. This shall not apply to gravity feed oil burners using #1 fuel oil, range oil or kerosene.
  10. Oil supply lines shall be properly reamed and joints and connections shall be made oil tight.

11.5.1.10.10.2 Oil Pumps and Valves

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Only readily accessible hand operated, fusible, spring loaded valves of an approved automatic type shall be installed in the oil supply line, one near each burner and one close to each supply tank so as to automatically stop the flow of oil in case of fire. Manual opening and ball spring check valves shall not be permitted.

11.5.1.10.10.3 Oil Burner Controls

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  1. Each fully automatic oil burner having a firing rate of no more than 20 gallons per hour shall be equipped with a type of approved primary safety control which shall shut off the oil supply to the burner within 15 seconds if ignition is not established or in the event of flame failure after combustion has been established. Once combustion is established and in the event of flame failure, the oil supply shall be shut off to the burner within three seconds nominal unless the ignition is reenergized in not less than 0.8 seconds after flame extinguishment occurs. The installation of intermittent (formerly called constant) ignition primary safety controls shall not be permitted.
  2. Each automatically fired hot water heating boiler with heat input greater than 500,000 Btu per hour shall have a listed automatic low water fuel cutoff which has been designed for hot water service, so located as to automatically cut off the fuel supply when the surface of the water falls to the lowest safe permissible water level established by the boiler manufacturer.

11.5.1.10.10.4 Certificate and License Requirements for Repair or Replacement of Oil Burner Equipment

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In accordance with M.G.L. c. 148, § 10D, a person holding a certificate as an oil burner technician may connect or disconnect for the purpose of repair or replacement, any device or control required by rules and regulations of the board to be a part of an oil burner installation, or being an integral part of the oil burning equipment, at the connection on such device, control or part to be repaired or replaced, notwithstanding any contrary provision of M.G.L. c. 141. Any person licensed as an electrician under said M.G.L. c. 141 may do any electrical work in connection with the alteration, repair or installation of oil burning equipment without being certified as an oil burner technician.
  1. Oil burners electrically controlled, driven and/or operated shall be supplied from a separate branch circuit located at the service disconnect panel, or at branch circuit subpanel. This circuit shall be clearly marked for the equipment it controls.
  2. All protective, control and emergency devices shall be series connected from the electrical distribution panel, through the emergency switch, through the thermal switch, to the service switch in the ungrounded line conductors. The burner controls shall be installed in the ungrounded supply conductors of the circuit and shall not exceed 150 volts to ground.
  3. A control (service switch) to start and stop a light fuel oil burner shall be installed at a location where the operator can view the fire. The switch shall be located at a maximum of three feet from the burner.
  4. An electrical thermal switch fused to break the ungrounded conductor in the main circuit at 165°F, shall be installed in the main power line within six feet over the top of the burner boiler or burner furnace.
  5. If the ceiling above the burner boiler or burner furnace exceeds 12 feet in height, an additional thermal switch shall be installed at a height of ten feet and connected in series with the lower switch.
  6. Electrical equipment shall not obstruct clear access to clean out and service panels.

11.5.1.10.10.5 Certificates

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Certificates, where required, shall comply with Section 1.12.8.51.

11.5.1.11 Clothes Dryers

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11.5.1.11.1

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11.5.1.11.2

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11.5.2.1

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The use of unvented kerosene burners and oil stoves is prohibited by M.G.L. c. 148, § 25B.

11.5.2.2

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11.5.2.3

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11.5.3.1

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Portable electric heaters shall be designed and located so that they cannot be easily overturned.
All portable electric heaters shall be listed.

11.5.4 Vents

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11.6 Waste Chutes, IncineratorsRubbish, and Laundry Chutes

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ILLUSTRATION
Waste chutes and laundry chutes shall be separately enclosed by walls or partitions in accordance with the provisions of Section 12.7. [101: 9.5.1.1]

11.6.1.2

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Instruction describing the size and type of waste which may be deposited in the chute shall be posted at each service opening.
The doors of chutes specified in 11.6.1.2 shall open only to a room that is designed and used exclusively for accessing the chute opening. [101: 9.5.1.3]
Chute service opening rooms shall be separated from other spaces in accordance with Section 8.7 of NFPA 101. [101: 9.5.1.4]
The requirements of 11.6.1.1 through 11.6.1.4 shall not apply where otherwise permitted by the following:
  1. Existing installations having properly enclosed service chutes and properly installed and maintained chute intake doors shall be permitted to have chute intake doors open to a corridor or normally occupied space.
  2. Waste chutes and laundry chutes shall be permitted to open into rooms not exceeding 400 ft2 (37 m2) that are used for storage, provided that the room is protected by automatic sprinklers. [101: 9.5.1.5]

11.6.2 Installation and Maintenance

AMENDMENT
This section has been amended at the state or city level.
Rubbish chutes and laundry chutes shall be installed and maintained in accordance with NFPA 82, Standard on Incinerators and Waste and Linen Handling Systems and Equipment, unless such installations are approved existing installations, which shall be permitted to be continued in service.
Stationary generator sets shall be installed in accordance with NFPA 37, Standard for the Installation and Use of Stationary Combustion Engines and Gas Turbines, and NFPA 70.
Portable generators shall not be operated or refueled within buildings, on balconies, or on roofs.
Portable generators shall be permitted to be operated or refueled in a building or room that has been constructed for such use in accordance with the building code.
Fueling from a container shall be permitted when the engine is shut down and engine surface temperature is below the autoignition temperature of the fuel.
Portable generators shall be positioned so that the exhaust is directed as follows:
  1. At least 5 ft (1.5 m) in any direction away from any openings or air intakes
  2. Away from the building
New stationary generators for emergency use or for legally required standby power required by this Code, the building code, or other codes and standards shall be installed in accordance with NFPA 110, Standard for Emergency and Standby Power Systems.

11.7.3.2 Acceptance

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This section has been amended at the state or city level.
Stored electrical energy systems required by this Code, the building code, or other NFPA codes and standards shall be installed in accordance with NFPA 111, Standard on Stored Electrical Energy Emergency and Standby Power Systems, and NFPA 70.
Stationary generators used for emergency or legally required standby power shall be tested and maintained in accordance with NFPA 110 and NFPA 37.

11.7.5.1.1

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A fuel quality test shall be performed at least annually using tests approved by ASTM standards.

11.7.5.1.2

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Diesel fuel shall be tested in accordance with ASTM D 975-11b, Standard Specification for Diesel Fuel Oils, or ASTM D 6751-11b, Standard Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels, as approved by the engine manufacturer, using ASTM D 7462-11, Standard Test Method for Oxidation Stability of Biodiesel (B100) and Blends of Biodiesel with Middle Distillate Petroleum Fuel (Accelerated Method). [25:8.3.4.1.1]

11.7.5.1.2.1

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This section has been amended at the state or city level.
Where diesel fuel is found to be deficient in accordance with testing required in Section 11.7.5.1.2, the fuel shall be reconditioned or replaced, the supply tank shall be cleaned internally, and the engine fuel filter(s) shall be changed. [25:8.3.4.2]

11.7.5.1.2.2

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After the restoration of the fuel and tank in 11.7.5.1.2.1, the fuel shall be retested every six months until experience indicates the fuel can be stored for a minimum of one year without degradation beyond that allowed in Section 11.7.5.1.2. [25:8.3.4.2.1]
Stationary generators required by this Code, the building code, or other NFPA codes and standards shall be maintained in accordance with NFPA 110.
Stored electrical energy systems required by this Code, the building code, or other NFPA codes and standards shall be maintained in accordance with NFPA 111.
Newly installed smoke-control systems shall be inspected by the AHJ and tested in accordance with the criteria established in the approved design documents, NFPA 204 and NFPA 92.
Smoke-control systems shall have an approved maintenance and testing program to ensure operational integrity in accordance with this section. Components of such systems shall be operated, maintained, and tested in accordance with their operation and maintenance manuals.
Operational testing of the smoke-control system shall be in accordance with NFPA 92, and shall include all equipment related to the system including, but not limited to, initiating devices, fans, dampers, controls, doors, and windows.
An approved written schedule for such operational tests shall be established.
Test records shall be maintained on the premises and must indicate the date of such testing, the qualified service personnel, and any corrective measures needed or taken.
All smoke-control systems and devices shall be maintained in a reliable operating condition and shall be replaced or repaired where defective.
The AHJ shall be notified when any smoke-control system is out of service for more than 4 hours in a 24-hour period and again upon restoration of service of such systems.
The AHJ shall be permitted to require the building to be evacuated or an approved fire watch to be provided for all portions left unprotected by the fire protection system shutdown until the fire protection system has been returned to service.

11.8.6

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Smoke control systems shall be maintained to ensure to a reasonable degree that the system is capable of controlling smoke for the duration required. The system shall be maintained in accordance with the manufacturer's instructions and the Building Code.

11.8.7

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A routine maintenance and operational testing program shall be initiated immediately after the smoke control system has passed the acceptance tests. A written schedule for routine maintenance and operational testing shall be established.

11.8.8

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A written record of smoke control system testing and maintenance shall be maintained on the premises. The written record shall include the date of the maintenance, identification of servicing personnel, and notification of any unsatisfactory condition and the corrective action taken, including parts replaced.

11.8.9

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Dedicated smoke control systems shall be operated for each control sequence semiannually. The system shall also be tested under standby power conditions.

11.9 Emergency Command Center

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11.9.1

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11.9.2

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11.9.3

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11.9.4

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11.9.5

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11.9.6 Emergency Command Center Acceptance Testing

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11.10.1

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11.10.2

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Two-way radio communication enhancement systems, when required, shall be maintained in accordance with Chapter 24 of NFPA 72: National Fire Alarm and Signaling Code.

11.10.3

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Medical gas and vacuum systems shall comply with NFPA 99, Health Care Facilities Code.
Photovoltaic systems shall be in accordance with Section 11.12 and NFPA 70.

11.12.2 Building-Mounted Photovoltaic Installations

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11.12.2.1* Marking

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11.12.2.1.1 Main Service Disconnect Marking

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11.12.2.1.2 Circuit Disconnecting Means Marking

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11.12.2.1.3* Conduit, Raceway, Enclosure, Cable Assembly, and Junction Box Markings

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11.12.2.1.3.1 Marking Locations

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11.12.2.1.3.2* Marking Content and Format

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11.12.2.1.4 Secondary Power Source Markings

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Signage, acceptable to the AHJ, shall be installed adjacent to the main disconnect indicating the name and emergency telephone number of the installing contractor.

11.12.2.1.6* Inverter Marking

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11.12.2.2 Access, Pathways, and Smoke Ventilation

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11.12.2.2.1 General

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11.12.2.2.1.1 Exceptions

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11.12.2.2.1.2 Pitch

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11.12.2.2.1.3 Roof Access Points

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11.12.2.2.2 One- And Two-Family Dwellings and Townhouses

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11.12.2.2.2.1 Access and Pathways

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11.12.2.2.2.1.1 Hip Roof Layouts

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11.12.2.2.2.1.2 Single Ridge Layouts

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11.12.2.2.2.1.3 Hip and Valley Layouts

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11.12.2.2.2.2 Ridge Setback

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11.12.2.2.3 Buildings Other Than One- And Two-Family Dwellings and Townhouses

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11.12.2.2.3.1 Access

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11.12.2.2.3.2 Pathways

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11.12.2.2.3.3 Smoke Ventilation

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11.12.2.2.3.3.1 Maximum Array

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11.12.2.2.3.3.2 Ventilation Options

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11.12.2.2.4 Location of Direct Current (DC) Conductors

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11.12.2.2.4.1

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11.12.2.2.4.2

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11.12.2.2.4.3

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11.12.2.2.4.4

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11.12.2.2.4.4.1

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11.12.3 Ground-Mounted Photovoltaic System Installations

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11.12.3.1* Clearances

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11.12.3.2* Noncombustible Base

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11.12.3.3* Security Barriers

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