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Items Checked During Inspection

Building permit and address must be posted on site

 

Listed are some of the Michigan Residential Building Code Sections we will be checking. Please refer to the 2006 Michigan Residential building Code Book for specific wording of code sections.

 

Foundations

  1. 42” below grade frost protection required on all footings.

 

  1. Walkout frost walls must be insulated with a minimum of 1” Styrofoam before foundation inspection.

 

  1. Damp proofing and/or waterproofing is required on all foundations before foundation inspection.

 

  1. Foundation drainage system required for all foundations that enclose usable space below grade. 1/2 “ anchor bolts 12” from ends and 6” on center or approved anchor straps that provide equivalent anchorage.

 

  1. Foundation re-rod-vertical reinforcement required per Table 404.1.1 (2)

 

Framing

 

  1. All sill plates must be treated lumber.

 

  1. All furring strips in direct contact with concrete must be treated.

 

  1. Treated wood framing and sheathing shall be required when closer that 8” from exposed earth.

 

  1. All joists must have a minimum of 1 1/2 “ of bearing.

 

  1. All I joists must have squash blocks per manufacturers specs.

 

  1. All girder trusses and beams must have proper bearing directly below and solid blocking between floor joists down to foundation

 

  1. Double lap studs required under most headers exceeding 5’ See Table 502.5 (1)

 

  1. 22” x 30” attic access for all attics 30” or higher. Must be easily accessible

 

  1. Fire stop all bulkhead and around all vent, pipes and ducts. Use only approved non-flammable material.

 

  1. All 2 and 3 ply girder trusses must be nailed together according to truss specifications.

 

Brick   (see Michigan 2003 Residential code Book under wall covering Section 703)

 

Guardrails

 

  1. Porches, balconies or raised floor surfaces located more than 30” above the floor or grade below shall have guards not less than 36” in height. Open sides of stairs with a total rise of more than 30” above the floor grade below shall have guards not less than 34” in height measured vertically from the nosing of the treads.

 

  1. Required guards shall have intermediate rails or ornamental closures that DO NOT allow passage of a sphere 4” in diameter. Required guards shall not be constructed with horizontal rails or other ornamental pattern that results in a ladder effect.

 

  1. Exception: the triangular openings formed by the riser, tread and bottom rail of a guard at the open side of a stairway are permitted to be of such a size that a sphere 6” cannot pass through.

 

     Handrails

     Stairways shall be equipped with a minimum of one handrail.

 

1.      Handrail grip size shall have a circular cross section of 1 ¼ “ minimum to 2 5/8” maximum. Other handrail shapes that provide an equivalent grasping surface are permissible. Edges shall have a minimum. Radius of 1/8”.

 

2.      The clear space between handrail and wall shall not be less than 1 ½”.

 

3.       Handrails shall not project more than 4.5 inches on either side of the stairway and the minimum clear width of the stairway at and below the handrail height, including treads and landings, shall not be less than 31.5 inches where handrail installed on one side and 27 inches where handrails are provide on both sides.

 

4.      Handrails shall have a minimum and maximum heights of 34 inches and 38 inches, respectively, measured vertically from the nosing of the treads shall be provide on at least one side of stairways.

 

5.      Handrail ends shall be returned or shall terminate in newel posts or safety terminals.

 

6.      Handrails shall be permitted to be interrupted by a newel post at a turn.