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All required handrails shall be of one of the following types or provide equivalent grasp-ability. (see attached graphics from State of Michigan) 1) Type I. Handrails with a circular cross section shall have an outside diameter of at least 1¼ inches (32mm) and not greater than 2 inches (51mm). If the handrail is not circular it
7 Αυγ 2010 · The steps of the deck must be at least 36 inches wide. The step riser, which is the vertical part of the stair that raises the step above the previous one, can reach a maximum of 8 ¼ inches high (minimum 4 inches).
Plastic composite deck boards, stair treads, guards, and handrails shall exhibit aflame spread index not exceeding 200 when tested in accordance with ASTM E 84 or UL 723 with the test specimen remaining in place during the test.
The Michigan Building Code (MBC) governs the construction, alteration, and maintenance of buildings and structures within the state of Michigan. The Michigan Building Code 2015 is based on the International Building Code 2015 (IBC 2015) with amendments and additions.
On March 12, 2024, the State of Michigan adopted the 2021 Michigan Mechanical Code, the 2021 Michigan Plumbing Code, and the 2023 Michigan Electrical Code. Beginning August 1, 2024, these examinations will be based on those new codes.
An expansive library of Michigan code adoptions across building, plumbing, electrical, fire, residential, and more. Filter by jurisdiction, code type, or code year.
Two-inch (51 mm) decking shall have a maximum moisture content of 15 percent. Decking shall be machined with a single tongue-and-groove pattern. Each decking piece shall be nailed to each support.
