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FOUNDAT~'~N <br /> <br />~i~_tings shall bear on firm undisturbed <br />~71~ to be used to support footings <br />shall be engineered (report required) or <br />shall be co?tCr':te. S. 2903-a <br /> <br /> 3. Foundation sections 12"/15"/18" wide, <br /> 6"/7"/8" thick and 12"/18"/24" depth below <br /> natural grade and finish grade are required. <br /> OUBC Table 29-a <br /> 4. Maximum slopes for unstabilized cuts and <br /> fills are 2 horizontal to 1 vertical. <br /> <br /> 5.~?~id~ underfloor vents of 1½ sq. ft. <br /> per 25 lineal ft. of foundation wall. <br /> Openings to be in at least two walls and <br />6~. suthe cornens. OUBC ~617-c-6 <br /> ?vide underfloor drainage if space <br /> b2ect to potential storm or ground- <br /> <br />water accumulation. S. 2910 <br /> <br /> 7. Provide reinforcement for concrete <br /> walls over 4' in height, min. ~4 bar <br /> spaced: horiz, o.c. <br /> vert. o.c. <br /> Bars shall be continuous with overlap of <br /> min. lO diameters. One bar 4" from bottom <br /> and one 4" from top of foundation wall. <br /> 8. Extend ½" sill bolts, min. 7" into con- <br />/~. Space max. 6' o.c. and within 12" of <br />/Iq/- Provi'de' min. 18" x '~"' access to crawl <br />~ace, located not over 20' from plumbing <br /> <br /> cleanouts (OUPC 406-g) or furnace (OUMC <br /> 804-b). Pipes, ducts and other nonstructural <br /> construction shall not interfere with ac- <br /> cessability to or within the crawl space. <br />(~eC257!2c <br /> Vapor barriers shall be installed on <br /> greund in crawl spaces and on the warm <br />~ of exterior walls. S. 5307 <br />(711/7 T~e required cl~rahCe for wood members <br /> ~F6ove grade is 6" for mudsills, 12" for <br /> ~irders and 18" for joists. OUBC 2517-c <br /> 12, All posts to be mounted on approved <br /> supports. <br /> CONSTRUCTION REQUIREMENTS <br /> 13. Cross bridge or s'~l"i'~'"6]~k 2" floor <br /> joists over 12" in depth every 8' and solid <br /> block at supports. <br /> 14. Fire block studwalls and partitions <br /> (including furred spaces) at floor, ceiling, <br /> soffit and at mid height of walls o~er.lO' in <br /> ~.ei~ht and alo~ stair stringers. OUBC 2517-f <br /> 15. Garage door header shall be min <br /> D. F. #2 with double cripples. <br /> 16. Use header, beam or rafter sizes noted <br /> on the plans. <br /> 17. Trusses shall be engineer a~.proved_ <br /> <br />~ h <br />~_,~A ridge board not.less in depth than t e <br />cut end of the rafter is required. It shall <br /> <br />be a vertical load bearing member when roof <br />slopeis less than 3" in 12". OUBC 2518-g .. <br />19. Rafter ties spaced max. 4' o.c. are re- <br />quired immediately above ceiling joists which <br />are not parallel to the rafters. OUBC 2518-g-4 <br /> <br /> 20. Roof purlins must not be smaller than the <br /> rafters they support. The max. span for 2 X 4/ <br /> 2 X 6 roof purlins is 4" X 6". For purlin sup- <br /> ports provide struts, not smaller than 2 X 4 <br /> with an unbraced length not over 8' and not <br /> flatter than 45 degrees to the horizontal to <br />beari9~.wall or partitions. OUBC 2518-g-5 _ <br />21. All weather exposed plywo~'~ shall be <br />EXTERIOR type and at least C-C grade. <br />A~ention: Roof overhangs. S......2517-g . <br />~2~22~ Provide screened attic vents with a net <br />' Tee <br /> area of 1/150 of the attic area (or 1/300 <br /> if half is alon~ eaves and the balance at <br /> least 3' hi~her~. S. 3205-.c ... <br />23." ~oof shall ~e Sloped for drainage. Val- <br />leys shall.be supported (flat valleys prohib- <br />ited.) Shingles (any kind) shall not be in- <br />stalled on a slope of less than ~" in 12". Com- <br />positions shingles require a 15 pound asphalt <br />f~ base sheet. Chapter 32. <br />F24~Provide mfn. 6~e hour fire separati6n be- <br />tween garage and house. Separation shall ex- <br />tend to roof line or across ceiling and re~ <br />maining bearing walls, Use min. 1 3/8" solid <br />core door, OUBC Table 5-b <br /> <br /> 25. Enclosed usable space un~er stairs shall <br /> be provided with one hour protection on the <br /> 9~;~c~!~osed side. S. 3305-1 <br />~ow Elements of appliances which create a <br /> , spark or flame shall be located a min. <br /> of 18" above garage floor. OUMC 508 <br /> 27. Clothes dryer located in an area that is <br /> habitable or containing other fuel burning ap- <br /> pliances shall be exhausted to the outside. <br /> Q~ 1903 <br /> <br />~ Clothes dryer moisture exhaust duct is <br /> ted to 14' with two elbows from the dryer <br />to its point of termination. Reduce this <br />u~cttsh 2' for ever~ elbow in excess of two. <br /> ~ent kitchen fan to outsl~ Via metal <br /> <br /> 30. In bathrooms, water closet compartments, <br /> laundry rooms and similar rooms, a mechanical <br /> ventilation system connected directly to <br /> the outside, capable of five air changes per <br /> hour shall be provided where there are no <br /> o~enable windows. OUBC 1405-a <br />~d P~ovide all h~itable rooms with 6~tsi~'~- <br /> ows with net areas of not less than 1/10 <br /> of floor areas nor 10 sq. ft. Every sleeping <br /> room shall have an exterior door or not less <br /> <br /> <br />