Section 27-804
§ 27-804 General requirements. All floor mounted combustion or heating
equipment shall be mounted on noncombustible construction as provided in
reference standard RS 14-17 or on combustible construction if such
construction is protected as required in reference standard RS 14-17,
provided the following conditions are met:
(a) All clearances shall comply with the requirements specified in
section 27-792 of article one of this subchapter.
(b) Heating and combustion equipment which has been tested in
accordance with applicable standards listed in reference standard RS-14,
shall be installed with the clearances determined by such tests.
(c) Equipment which has been approved, as provided in section 27-135
of article eight of subchapter one of this chapter, shall be installed
in accordance with the conditions of such approval.
(d) When mounted above combustible construction, the equipment is
arranged so that flame or gaseous products of combustion do not impinge
upon the base of the equipment.