06/14/1989 Minutes - Laserfiche WebLink

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BOARD OF BUILDING CODE APPEALS JUNE 14, 1989 PAGE 3 io Bottom of footings of framing garages shall be not less than 18 inches below finished grade, unless supporte.d on a reinforced concrete slab as provided in the following paragraph. ii. Frame garages may be built on a concrete slab, not less than 4 inch thick, reinforced with steel mesh weighing not less than 40 pounds per 100 square feet or equivalent reinforcement turned up to a 4 inch width curb, 8 inches high above finished grade to form a wall foundation. iii. Studs shall have a spacing of not more than 24 inches o.cM Doubling of studs shall be required on jamb openings 3 feet 6 inches wide or more. iv. Sheathing and building paper may be omitted. v. Corner posts may be two 2 by 4's or a 4 by 4. vi. Top plate may be single, provided rafters are placed directly over studs z and plates at corners are lapped to provide ties. vii. Rafter ties at eaves may be 2 by 4's with a maximum spacing 6 feet o,c. viii. Corner bracing may be applied on the inside of surface of studs.'.' Section R309:..5 Add new section:, "Ground Surface Treatment: All ground surfaces shall be covered with approved vapor barriers as well as a concrete slab of not less than 3 inches and a compressive strength of 3000 psi at 28 dayso Section R-603e2.2 Delete crushed blast furnace slag<.. Section R-803 Asbestos-Cement Shingles: This section should apply only to repair work, and should not be used for new construction. Section 901.4 Additional.load: amend so that a chimney cannot support any structure, only its own weight. Section M-1601.1 Add paragraph 7: All duct installations shall be installed in conformity to SMACNA standards. (This is a universal standard) Section M-1605 Add section: Turning vanes to be required in ducts going to electronic air cleaners. (This is usually covered by manufacturer's specifications. ) Building Commissioner Conway advised that this code is for one and two family dwellings, but it will be amended to include 3 family dwellings in order to cover the gap between the two building codes. He further advised that chapter 51 (the plumbing code) of the Ohio Basic Building Code will be adopted with these amendments and will replace the CABO code. He advised that plastic water pipe should be allowed in residential usage as recommended in Section P-104, however, it has not become part of the state code as yet. The plas.tic pipe is allowed in the commercial code. Mr. Conway clarified that the chapter of the codes which were previously amended will be again be accepted with the adoption of these amendments.