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1. Footings shall bear on firm <br />undisturbed soil. <br /> <br />2. Fills to 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 />c.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 />~ clearance for wood <br /> The <br /> required <br /> members above grade is 6" for <br /> mudsills, 12" for girders and 15'~ <br /> for joists. OUBC 2516 (c) <br /> <br />ll. Ail posts to be mounted on <br />approved supports. OUBC 2516 (c) 4 <br /> <br />CONSTRUCTION R~QUIREMENTS <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 />~%~ ~ocations. (1) in the <br />concealed space of a floor ceiling <br />assembly in a single family dwelling <br /> <br />dividing the area in to equal spaces not <br />over.l~00 sq. ft. <br />(~,} D~Bft stops 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. D.F. ~2 with c~ouble 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 />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 />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 <br />& 6' 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. OU~C 2517 <br />(h) 5 <br /> <br /> All weather exposed plywood shall be <br />59fTERIOR 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). OUEC 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 cora <br /> 0UBC 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 gust.dad by a protective <br /> barrier. OUBC 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. 0UMC 1903 <br /> <br /> <br />