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2. Fills zo be used to ~mppoz~ footings <br />shall be eagineered (repor~ required) or <br />sha~l be concrete. OI~C 2903-a <br /> <br />b~. Foundation sections 12"/15"/18" wide, <br /> 6"/7"/8" thick, and 12"/18"/24" depth below <br /> natural grad~ and f/nish grade are required. <br /> OL~BC Table 29-a <br /> 4. Mg~/mun slopes for ~nsrabtllzed cuts and <br /> fills are 2 horizontal to 1 vertical. <br /> OUBC 2903-<a) <br /> 5. Provide underfloor ve~ts of 1% sq. ft. <br /> p~r 25 lirmal ft. of foundation wall. <br /> Open/rigs ~o be in at least cwo walls and <br /> near the corner~. OL~C 2517-(c)-6 <br /> 6. Provide umdarfloor drainage if space <br /> is subject to potential stozm or ground- <br /> water ac~l~tlo~. O[~C 2910 <br /> 7. Provide re/m_forc~nent for ccae~ete <br /> walls over 4' in height, min. ~4 bar <br /> spaced: horiz o.c. <br /> <br /> Bars shall be cont~ wir_h overlap of <br /> min. t0 ~{~meters. One bar 4" from bottom <br /> and ,one 4" fro~ top of foundation wall. <br />~ Extand %" sill bolts, min. 7" into con- <br /> crete. Space max. 6' o.c. and wit/tin 12" of <br /> ends. <br /> <br />9. Provide min. 18" x 24" access to ~=~1 <br />space, located mot over 20' fr~m plumbing <br />eleanouts (OUPC 406-g) or furnace (OtMC <br />804-b). Pipes, ~ts and other nons~rucL-urmt <br />construction shall not interfere with ac- <br />cessabilit7 to or within ~ crawl space. <br />O~BC 2517(c) 2 <br /> <br />eVapor barriers shall be installed on <br /> ground in crawl spaces and on the warm <br /> ~ide of ~xzerior walls. O~BC 5303 (f) 1. d. <br /> 11. The rectified clearance for wood m~zbers <br /> above grade is 6" for mudmills, 12" for <br /> girders ~nd 18" fcr joists~ 0%~C ~517~ <br /> 12. Ail posts to be ~ted on approved <br /> s ~upports. OUBC 2517 (c) 4 <br /> <br /> 13. Cross bridge or solid block 2" floor <br /> joists cv~r 12" in depth every 18' and solid <br /> block at s .upports. <br /> 14. Fire block studwalls and partitions <br /> (including furred spaces) at floor, ceiling, <br /> ~ffiz and a~ mid height of walls over 10' in <br /> height and along stair str~-nger~ 9L~C 2517-f <br /> <br /> 15. Garage door header shall be rain <br /> D. F. f~2 with double cripples. <br /> 16. Use header, bemm or rafter sizes noted <br /> <br /> 17~ Trusses ~hall be en~inear approved. <br /> <br /> 18. A ridge board ~not less in depth than the <br /> cu~ end of the rafter is recovered. It shall <br /> be a v~r~ical load bearing nmmber when r~of <br /> slope is lass then 3", in, 12". OL~C 25,,,1,8 ~)-3 <br /> 19. Rafter ~ias spa~ed nmx. 4' o.c. are re- <br /> ~red {~!ately above ceiling joists which <br /> ere no~ parallel to ~,he rafters. OLMC 2518~,~a).-_.& <br /> 20. R~of m~rllns ~t not be smaller tbmn rlme <br /> rafter~ r~y ~. The max. span for 2 X 4/ <br /> 2 X 6 roof uurlins is 4' 6; 6'. For purlin sup- <br /> ports p~i~e s~ru~s, not seal!e= rban 2 X a <br /> with an unbraced l~ength not over 8' and not <br /> flatter than 45 degrees to the horizontal to <br /> b~ ~!! or =ar~itions. OL~C 2518 ~h)-5 <br />~ All weather expo~ sed plywood shall be <br /> 5%.<i'h.w_~OR Type and at least C-C grade. <br /> <br /> eeProvide screened attic vents ~rlth a ne~ <br /> area of 1/150 of the attic area [or 1/300 <br /> if half is along eaves and t_he balance at <br /> ,l_ea_s_ t 3' hi~her). OL~C 3205-c <br /> 23. Roof shall be sloped for drainage.. Val* <br /> !eys shall be _m%oported (f!a~ ve!!e.vs prohib- <br /> ited. ) Shingles (any -k/nd) shall not be in- <br /> stalled on a slope of less than 4" in 12". <br /> position sb/mgles require a 15 pound asphalt <br /> felt base shee~. Chapter 32. <br /> 24. Provide m/ri. one hour fire separation <br /> twe~ garage and house. Separation shall <br /> t~nd to roof line or across ceil/~ and <br /> rosining bearing ~lls. Use min. 1 3/8" solid <br /> core door. OL~C 503(d) ~xception a, <br /> <br /> 25. ~nclosed usable space under stairs shall <br /> be provided wi~h one ho%= protection on ubs <br /> enqlp~ed ,s~ide. OUBC, 3305- (m) <br /> 26. Elixirs of appliances which create a <br /> glow, spark of flm~e shall be tocatsd a min. <br /> of l~!! above ~=age floor, ou.c 50s <br /> <br /> 27. Appliances subject to m~_hanical d~mage <br /> shall be guarded by a protective bat-tier. <br /> ot~c 508 <br />~ Clothes dryer located in an area ~hat is <br />h~biVmb!e or containing other fuel burning <br />plignces shall be ~.d~austed ~o the outside. <br />05%~C 1903 <br /> 29. Vent kitchen fan to outside via metal <br /> <br /> <br />