Section 27-849
§ 27-849 Scope. This subchapter shall establish the minimum safety
requirements for, and control the design, construction, installation,
alteration, and use of chimneys and gas vents.
Section 27-850
§ 27-850 Standards. The provisions of reference standard RS-15 shall
be a part of this subchapter.
Section 27-851
§ 27-851 Definitions. For definitions to be used in the interpretation
of this subchapter, see subchapter two of this chapter.
Section 27-852
§ 27-852 Plans. For the requirements governing the filing of plans and
the work to be shown on plans, see subchapter one of this chapter.
Section 27-853
§ 27-853 Permits. For the requirements governing equipment work
permits and equipment use permits, see subchapter one of this chapter.
Section 27-854
§ 27-854 General requirements. Chimneys or gas vents shall be designed
and constructed so as to provide the necessary draft and capacity to
completely exhaust the products of combustion to the outside air, and to
satisfy the following conditions:
(a) Temperature. The temperature on adjacent combustible surfaces
shall not be raised above one hundred sixty degrees Fahrenheit.
(b) Condensation. The condensation shall not be developed to an extent
that can cause rapid deterioration of the chimney or vent.
Section 27-855
§ 27-855 Factory-built chimneys and gas vents. (a) Factory-built
chimneys. Factory-built chimneys and chimney units shall be listed and
accepted in accordance with the applicable reference standard and shall
be installed in accordance with the temperature conditions and height
limitations of the listing and acceptance, the manufacturer's
instructions or this article, whichever is the most restrictive. Flue
gas temperatures in the chimney shall not exceed the limits and
durations employed during listing tests and as required by this code.
(b) Gas vents. Type B and Type BW gas vents shall be listed and
accepted in accordance with the conditions of the acceptance and
applicable provisions of this code.