Section 27-805
§ 27-805 General requirements. Clearances from combustible
construction in walls, partitions and ceilings adjacent to combustion or
heating equipment shall not be less than that tabulated in reference
standard RS 14-15, 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 the 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.
Section 27-806
§ 27-806 Reduction of clearances. The clearances required in section
27-805 of this article may be reduced when the exposed combustible
construction is protected with noncombustible material in accordance
with the forms of protection listed in reference standard RS 14-16.