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FOUNpATIONS <br /> <br />1. Footi,ngs shall bear on firm <br />undisthrDed soil. <br /> <br />2. £~lls to be used to support <br />footings shall be engineered (report <br />required) or shall be concrete. <br /> OUBC 2903-a <br /> <br />3. Foundatzon sections 12"/15"/18" <br />wide, 6"/7"/8" thick and 12"/18"/24" <br />depth Delow 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 />,,Extended 1/2" sill bolts, min. <br />i~to concrete. Space max. 6 ' <br />o.c. and wlthln 12" of ends. 2907 <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 accessabzlity to or within the <br />crawl space. OUBC 2516 (c) 2. <br /> <br />~2 Vapor barriers shall be <br />znstalled on the ground in crawl <br />spaccs and on the warm side of <br />cxterior 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 ]oists. OUBC 2516 (c) <br /> <br />11. All posts 'to be mounted on <br />approved supports. OUBC 2516 (c) 4 <br /> <br />CONSTRUCTION REQUIREMENTS <br /> <br />12. Fire block studwalls and <br />}artitzons (includzng furred spaces) <br />at floor, cezling, soffit and at mid <br />height and along stair stringers. <br />Draft stops shall be provided in the <br />followzng locations. (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 spaccs not <br /> over 1000 sq. ft. <br /> (2) Draft stops shall be installed zn 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 mtn. <br /> D.F. ~2 with double cripples. <br /> <br /> 14. Use header, beam or rafter sizes <br /> noted on the plans. <br /> <br />~ 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 4' <br />& 6' For purlzn supports provide <br /> <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 />"~ All weather exposed plywood sh~ll be <br />EXTERIOR type and at least C-C grade. <br /> <br />Attention: Roof overhangs. <br /> <br />20. Provide screened attic ven~s 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 fzre <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/~" 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. OUBC 508 <br /> <br /> " <br /> 5~ Clothes dryer located in an area <br /> t is habitable or containing other <br />fuel burning appliances shall be <br />exhausted to the outside. OUMC 1903 <br /> <br /> <br />