Section 641.61.2. Adoption by reference.

The provisions of the International Mechanical Code, 2015 edition, published by the International Code Council, 4051 West Flossmoor Road, Country Club Hills, IL 60478, are hereby adopted by reference as the requirements for the design, installation, maintenance, alteration, and inspection of mechanical systems that are permanently installed and utilized to provide control of environmental conditions and related processes within buildings, with the following amendments:

         61.2(1) Delete section 101.1.

         61.2(2) In section 101.2, delete the phrase “International Fuel Gas Code” and insert in lieu thereof “NFPA 54, National Fuel Gas Code, 2015 edition; NFPA 58, Liquefied Petroleum Gas Code, 2014 edition; the provisions of 661—Chapter 226; and the state plumbing code.”

         61.2(3) Delete sections 103, 104, 105, 106, 107, 108, 109, and 110 and sections therein.

         61.2(4) Delete section 401.1 and insert in lieu thereof the following new section:

401.1 Scope. This chapter shall govern the ventilation of spaces within a building intended to be occupied. These buildings shall meet either the requirements of ASHRAE Standard 62.1, “Ventilation for Acceptable Indoor Air Quality,” 2013 edition, published by the American Society of Heating, Refrigeration, and Air-Conditioning Engineers, 1791 Tullie Circle N.E., Atlanta, GA 30329, or the requirements contained in this chapter. Mechanical exhaust systems, including exhaust systems serving clothes dryers and cooking appliances; hazardous exhaust systems; dust, stock, and refuse conveyor systems; subslab soil exhaust systems; smoke control systems; energy recovery ventilation systems; and other systems specified in Section 502 shall comply with Chapter 5.

         61.2(5) Add the following footnote “i” related to the gym, stadium, arena (play area) category of the sports and amusement occupancy classification in Table 403.3, Minimum Ventilation Rates:

i.    When combustion equipment is intended to be used on the playing surface, additional dilution ventilation and/or source control shall be provided.

         61.2(6) Delete section 504.8.2 and insert in lieu thereof the following new section:

504.8.2 Duct Installation. Exhaust ducts shall be supported at 4-foot (1219 mm) intervals and secured in place. The insert end of the duct shall extend into the adjoining duct or fitting in the direction of airflow. Ducts shall not be joined by screws or similar fasteners that protrude into the inside of the duct.

         61.2(7) Delete appendices A and B.

         61.2(8) Delete all references to the “International Plumbing Code” and insert in lieu thereof “state plumbing code.”

[ARC 1494C, IAB 6/11/14, effective 7/16/14; ARC 2473C, IAB 3/30/16, effective 6/1/16]