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1. Footings shall bear on firm <br />undisturbed soil. <br /> <br />2. Fills Co be used to support <br />footings shall be engineered (report <br />required) or shall be concrete. <br /> OUBC 2903-a <br /> <br />3. Foundation sections 12"/15"/18" <br />wide, 6"/7"/8" thick and 12"/18"/24" <br />depth below natural grade and finish <br />grade are required. OUBC Table 29-a <br /> <br />4. Provide underfloor vents of 1 <br />sq, ft. per 150 sq. ft. of <br />underfloor area. Openings shall be <br />as close to corners as practical and <br />provide cross ventilation. OUBC <br />2516 (c)-6 <br /> <br />5. Provide underfloor drainage if <br />space is subject to potential storm <br />or groundwater accumulation. <br />OUBC 2910 <br /> <br />6. Reinforcement required for <br />foundation walls. <br /> <br />7. Extended 1/2" sill bolts, min. <br />7" into concrete. Space max. 6' <br />o.c. and within 12" of ends. 2907 <br />(f) <br /> <br />8. Provide min. 18" x 24" access <br />to crawl space, located not over 20' <br />from plumbing cleanouts (OUPC 406-g) <br />or furnace (OUMC 804-b). Pipes, <br />ducts and other nonstructural <br />construction shall not interfere <br />with accessability to or within the <br />crawl space, OUBC 2516 (c) 2. <br /> <br />9. Vapor barriers shall be <br />installed on the ground in crawl <br />spaces and on the warm side of <br />exterior walls. 5303 (f) 5. Ground <br />cover shall turn 12" up the <br />foundation wall. <br /> <br />10. The required clearance for wood <br />members above grade is 6" for <br />mudsills, 12" for girders and 18" <br />for joists. OUBC 2516 (c) <br /> <br />11. Ail posts to be mounted on <br />approved supports. 0UBC 2516 (c) 4 <br /> <br />CONSTRUCTION REQUIREMENTS <br /> <br />12. Fire block studwalls and <br />partitions (including furred spaces) <br />at floor, ceiling, soffit and at mid <br />height and along stair stringers. <br />Draft stops shall be provided in the <br />following locations. (1) in the <br />concealed space of a floor ceiling <br />assembly in a single family dwelling <br /> <br />dividing the area mn to equal spaces not <br />over ~000 sq. ft. <br />(2) D~aft '~tops shall be installed in the <br />attics, mansards, overhangs and similar <br />concealed spaces of buildings containing <br />more than one dwelling unit. Such draft <br />stops shall be above and in line with <br />walls separating tenant spaces from each <br />other. OUBC 2516 (f) <br /> <br />13. Garage door header shall be min. <br /> ,,D.F- %2 with double cripples. <br /> <br />14. Use header, beam or rafter sizes <br />noted on the plans. <br /> <br />15. Trusses shall be engineer approved. <br />Provide trusses details to Marion County <br />Building Department before framing <br />inspection. <br /> <br />16. A ridge board not less in depth than <br /> <br />the cut end of the rafter is required. <br />It shall be a vertical load bearing <br />member when roof slope is less than 3" in <br />12". OUBC 2517 (h) 3 <br /> <br />17. Rafter ties spaced max. 4' o.c. are <br /> <br />required immediately above ceiling joists <br />which are not parallel to the rafters. <br />OUBC 2517 (h) 4 <br /> <br />18. Roof purlins must not be smaller <br />than the rafters they support. The max. <br />span for 2 x 4 / 2 x 6 roof purlins is 4' <br />& ~' For purlin supports provide <br />struts, not smaller than 2 x 4 with an <br />unbraced length not over 8 ' and not <br />flatter than 45 degrees to the gorizontal <br />to bearing wall or partitions. OUBC 2517 <br />(h) 5 <br /> <br />19. All weather exposed plywood shall be <br />EXTER~0R type and at least C-C grade. <br />Attention: Roof overhangs. <br /> <br />20. Provide screened attic vents with a <br />net free area of 1/150 of the attic area <br />(or 1/300 if half is along eaves and the <br />balance at least 3' higher), OUBC 3205-c <br /> <br />21. Roof shall be sloped for drainage. <br />Valleys shall be supported (flat valleys <br />prohibited.) Shingles (any kind) shall <br />not be installed on a slope of less then <br />4" in 12". composition shingles require <br />a 15 pound asphalt felt base sheet. <br />Chapter 32. <br /> <br />22. Provide min. one hour fire <br />separation between garage and house. <br />Separation shall extend to roof line or <br />across ceiling and remaining bearing <br />walls. Use min. 1 3/8" solid core door. <br />OUBC 503 (d) exception 3, <br /> <br />23. Elements of appliances which create <br />a glow, spark or flame shall be located a <br />min. of 18" above garage floor. OUMC 508 <br /> <br />24. ApplianCes subject to mechanical <br />damage shall be guarded by a protective <br />barrier. 0UBC 508 <br /> <br />25. Clothes dryer located in an area <br />that is habitable or containing other <br />fuel burning appliances shall be <br />exhausted to the outside. OUMC 1903 <br /> <br /> <br />