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8820 Aumsville Hwy, Aumsvllle <br />June ~8~ 1991 <br />Page 2 <br /> <br />11. <br /> <br />The design of the roof trusses was not submitted with the plans and is <br />not included in this plan review. Roof trusses are required to be <br />designed by an Oregon registered engineer or architect. When the truss <br />supplier is seleete~, submit the structural drawings and design <br />calculations for review. <br /> <br />Where roof drains are required, overflow drains having the same size as <br />the roof drains shall be installed with the inlet flow line located 2 <br />inches above the low point of the ~oof, or overflow scuppers having <br />three times the size of the roof drains may be installed in adjacent <br />parapet walls with the inlet flow line located 2 inches above the low <br />point of the adjacent roof and having a minimum opening height of 4 <br />inches. Overflow drains shall be connected to drain lines independent <br />from thm roof drains. (3207(c)) <br /> <br />Bn¢losed attics and rafter spaces shall have cross ventilation for each <br />separate space. The net free ventilating area shall be not less than <br />1/150 of the area o~ the space ventilated~ <br /> <br />The design of steel used structurally in buildings shall conform to the <br />requirements specified in U.B.C Chapter 27 and U.B.C. Standard NO. 27-1. <br />Where the design uses ASTM A-36 steel with yield strength (Fy) greater <br />than 36 k~i, as an alternate material, the metal building designer shall <br />submit mill certifications showing the yield strength from tests on the <br />steel incorporated into the building exceed the design Fy by 10%. <br /> <br />The metal building calculations and plans submitted do not show the <br />design or details of the bridge crane indicated on the floor plan. <br />Submit plans and engineering calculations for the crane. Include the <br />effects of the crane loads on the metal buildin~ frame. <br /> <br />Approval of submitted plans is not an approval of omissions or oversights by <br />this office or of noncompliance with any applicable regulations of local <br />government. <br /> <br />Local Fire Districts may have additional requirements that affect this <br />project. YOu are advised to contact the Fire District before you proceed. <br /> <br />~f you have ~uestions, <br />PLAN ¢~CK ENGINEER <br /> <br />please contact me at 588-~147. <br /> <br />DONALD WOODLEY <br />BUILDING OFFICIAL <br /> <br />TC/DW <br /> <br />CC: file <br /> <br />George Crosier, Deputy State Fire Marshal <br />State of Oregon Fire Marshal <br />3000 Market St. Plaza - Suite 534, Salem, OR <br />(503) 378~4917 <br /> <br />97310-0198 <br /> <br /> <br />