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Added Coun. J. 4-10-19, p. 100029.

This chapter provides minimum standards for heating, cooling, and mechanical systems in existing structures.

Added Coun. J. 4-10-19, p. 100029.

Existing buildings must be provided with heating equipment as required by Sections 14X-8-802.2 through 14X-8-802.3.
Dwelling units and sleeping units must be provided with permanent heating equipment capable of maintaining a room temperature of 68°F (20°C) in all habitable spaces, toilet rooms, and bathrooms when the outdoor temperature is -7°F (-22°C). Neither cooking appliances, domestic water heating equipment, nor portable space heaters may be used to provide the required heating capacity.
Except as provided in Section 14X-8-802.2.2, the owner may require that the occupant secure the source of energy required for operating the heating equipment at the occupant's expense, but such a requirement does not relieve the owner from responsibility for providing functioning heating equipment.
Dwelling units and sleeping units to which heat is furnished from a heating plant used in common for the purpose of heating more than one such unit must be supplied with heat from September 15th of each year to June 1st of the succeeding year so that the occupants may secure, without such undue restriction of ventilation as to interfere with proper sanitary conditions, a minimum temperature of 68°F (20°C) at 8:30 a.m. and thereafter until 10:30 p.m. and 66°F (19°C) at 10:30 p.m. and thereafter until 8:30 a.m. in all habitable spaces, toilet rooms, and bathrooms.

Indoor occupiable work spaces must be provided with permanent heating equipment capable of maintaining a room temperature of 68°F (20°C) in all habitable spaces, toilet rooms, and bathrooms when the outdoor temperature is -7°F (-22°C). Neither cooking appliances, domestic water heating equipment, nor portable space heaters may be used to provide the required heating capacity.

Exceptions:

  1. Processing, storage, and operation areas that require cooling or special temperature conditions.
  2. Areas in which workers are primarily engaged in vigorous physical activities.
The owner may require that the occupant secure the source of energy required for operating the heating equipment at the occupant's expense, but such a requirement does not relieve the owner from responsibility for providing functioning heating equipment.

Indoor occupiable work spaces must be supplied with heat from September 15th of each year to June 1st of the succeeding year so that the workers may secure, without such undue restriction of ventilation as to interfere with proper sanitary conditions, a minimum temperature of 68°F (20°C) during the period the space is occupied in all habitable spaces, toilet rooms, and bathrooms.

Exceptions:

  1. Where a lower temperature is necessary or expedient for the work or manufacturing process of such business and the moisture content of the air is controlled to maintain a minimum wet bulb temperature of 54°F (12°C).
  2. Where a lower temperature is necessary or expedient for the work or manufacturing process of such business, subject to conditions approved by the building official to reasonably protect the health of the occupants.

Added Coun. J. 4-10-19, p. 100029.

Existing buildings must be provided with cooling equipment as required by Section 14X-8-803.2.
Nursing homes must be provided with permanent cooling and dehumidification equipment capable of maintaining a room temperature of 75°F (24°C) and 50 percent relative humidity in all habitable spaces, toilet rooms, and public corridors when the outdoor temperature is 100°F (38°C). Such equipment must be operated to maintain safe conditions for occupants.

Added Coun. J. 4-10-19, p. 100029.

Mechanical appliances, fireplaces, fuel-burning appliances, cooking appliances, and water heating appliances must be properly installed and maintained in a safe working condition and capable of performing the intended function.

Chimneys, chimney flues, and vents must be maintained in a safe working condition and capable of performing the intended function.

Exception: Chimneys which are no longer connected to operational fireplaces or fuel-burning equipment may be capped.

Fuel-burning equipment and appliances must be connected to a chimney or vent.

Exception: Fuel-burning equipment that is labeled for unvented operation.

Required clearances between mechanical equipment and combustible materials must be maintained.
Safety controls for mechanical equipment and fuel-burning appliances must be maintained in a safe working condition and capable of performing the intended function.
A supply of air for complete combustion of the fuel and for ventilation of the space containing the fuel-burning equipment must be provided for fuelburning equipment.
Devices intended to reduce fuel consumption by attachment to fuelburning equipment, or to a fuel supply line, vent outlet, or vent piping connected to fuel-burning equipment may not be installed unless labeled for such purpose.
Unless allowed by the certificate of occupancy or approved by the fire code official, cooking is not allowed in any rooming unit or dormitory sleeping room, and cooking appliances may not be kept in a rooming unit or dormitory sleeping room. Devices such as coffee pots and non-commercial microwave ovens are not considered cooking appliances.

Added Coun. J. 4-10-19, p. 100029.

Duct systems must be maintained free of obstructions and accumulations and capable of performing the intended function.
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