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6. TRUSS DESIGN. Roof trusses are required to be designed by an Oregon registered Engi- <br />neer or Architect. For trusses manufactured by an approved fabrication plant, have the design <br />and layout drawings available at the construction site for the framing inspection, kI~ job site <br />cutting or modification of the roof trusses shall be clearly shown in the engineer's design <br />calculations and drawings. <br /> <br />7. THE GARAGE shall be separated from the dwelling and its attic area by means of 1/2-inch <br />gypsum board applied to the garage side of the wall. Where the separation i.s a floor-ceiling <br />assembly, the structure supporting the separation shall be protected by 1/2-inch gypsum board <br />or equivalent. The door between the garage and residence shall be equipped with solid wood <br />doors not less than 1 3/8 inches in thickness or 20-minute fire rated, or equivalent. [Sec. 309.1, <br />309.2] <br /> <br />8. ATTIC ACCESS. A readily accessible attic access shall be provided to any attic area having <br />a clear height of over 30 inches. A framed opening not less than 22 inches by 30 inches is <br />required. [Sec. 807.1] <br /> <br />planrevu\97-04959.wps <br /> <br /> <br />