Article 9 - COMBUSTION AIR

Section 27-807

Section 27-807

  §  27-807  Air  supply.  (a)  Oil  fuels. The air supply for equipment
burning fuel oil  shall  comply  with  the  requirements  in  applicable
standards  in  reference standard RS-14. Ventilation shall be capable of
providing at least thirty-six cfm of air for each gallon of oil per hour
required to fire the equipment to gross output.
  (b) Gas fuels. The air supply for equipment burning gas  shall  comply
with the requirements of article sixteen of this subchapter.
  (c)  Solid  fuels.  The  air  supply for equipment burning solid fuels
shall comply with those required for  burning  fuel  oil  based  on  Btu
equivalent of the solid fuel.
  (d)  Mechanical  ventilation.  If  the  ventilation for the purpose of
combustion is supplied mechanically, the  ventilating  system  shall  be
electrically  interlocked  with the burner so that when the burner is in
operation, the ventilating system shall maintain the room in  which  the
equipment is located at a pressure not less than the outdoor atmospheric
pressure.

Section 27-808

Section 27-808

  §  27-808  Flue dampers. Dampers in flues shall be constructed so that
they cannot completely cut off the passage of flue gases  at  any  time.
Tight-closing dampers may be installed with approved automatic draft and
combustion controls.