The International Building Code, 2018 edition (hereinafter known as the IBC), and the International Residential Code, 2018 edition (hereinafter known as the IRC); and the International Existing Building Code, 2018 edition (hereinafter known as the IEBC) are amended as hereinafter set out in Section 8-3-3:
A. Building permit fees shall be established by city council resolution.
B. Section R311.7.5.1, Riser height, of the IRC, is hereby amended by adding the following exceptions:
Section R311.7.5.1 Riser height exception 3 The maximum riser height shall be 7 ¾ inches. The riser height shall be measured vertically between leading edges of the adjacent treads. The greatest riser height within any flight of stairs shall not exceed the smallest by more than 3/8 inch , except at the top or bottom riser of any interior stair where this dimension may deviate by a maximum of 1 inch. In no case shall the risers exceed the maximum height of 7 ¾ inches.
C. Section R311.7.8.2, Continuity, of the IRC, is hereby amended by adding the following exception:
Section R311.7.8.2 Continuity exception 3 Handrails within a dwelling unit or serving an individual dwelling unit shall be permitted to be interrupted at one location in a straight stair when the rail terminates into a wall or ledge and is offset and immediately continues.
D. Section R310.2.2 of the IRC, is hereby amended by adding the following exception:
Section R310.2.2 exception A landing may be provided to meet the maximum sill height of forty-four (44) inches above the floor or landing provided. The landing shall be not less than thirty-six (36) inches wide, not less than twelve (12) inches out from the exterior wall, and not more than twenty-four (24) inches in height. The landing shall be permanently affixed to the floor below or the wall under the window it serves
E. Section R313.1 Townhouse automatic fire sprinkler system, of the IRC, is hereby amended by adding the following exceptions:
1. Existing exception 1 remains unchanged.
2. An automatic residential fire sprinkler system shall not be required where additions or alterations are made to existing townhouses that do not have an automatic residential fire sprinkler system installed.
3. Townhouse structures that contain eight (8) or less dwelling units.
2. Townhouse structures less than eighteen thousand (18,000) square feet floor space, exclusive of any garages
F. Section R313.2 One-and two-family automatic fire sprinkler systems, of the IRC, is hereby amended by adding the following exception:
2. Dwelling units in which the gross square footage of the dwelling space(s), including all floor levels whether finished or unfinished and all basement areas whether finished or unfinished (exclusive of attached garage area), does not exceed 8,000 square feet. (amd. Ord. 20-10, 8-3-2020)