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FOL ~DATION 1. Footings shall bear on firm undisturbed soil. 2, Fills to be used to support footings shall be engineered (report re~ired) or shall be concrete. OI~C 2903-a 3. Fc~ndation sections 12"/15"/18" wide, 6"/7"/8" thic3~, and 12"/18"/24" depth below natural grade and finish grade are required. OL~C Table 29-a 4. Maximum slopes fc~ ~s~abilized cuts and fills are 2 horizontal to 1 vertical. OUBC 2903- <~) 5. Provide underfloor vents of 1~ sq. ft, per 25 lineal ft. of foundation wall. Openillgs to be in at least two walls and near the corners. OL~C 2517-(c)-6 6,, Provide underfloor drainage if space is subject to potential storm or ground- water accumulation. OUBC 2910 7. Provide reir~orc~nent for concrete walls over A' in height, rain, $~4 bar spaced: horiz, o.c. reft. o.c. Bars shall be continuous with overlap of min. 10 diameters. One bar 4" ~ bottom and one 4" from top of foundation wall. 8. Extend ~ sill bolts, min. 7" into con- crete. Space max. 6' o.c. and within 12" of 9. Provide min. 18" x 24" access to crawl space, located not over 20' from plumbing cleanouts (OUPC 406-g) or furnace 80A-b), Pipes, ducts and other nonstructural construction shall not interfere with ac- ceseability to or within the crawl space. OUBC 2517(c)2 10. Vapor barriers shall be installed on the grot~ld in crawl spaces and on ~21e warm side of exterior walls. OUBC 5303 (f) 1. d. 11. The required clearance for wood members above grade is 6" for nudsills, 12" for Eirders and 18" for joists. OUBC 2517~c 12. All posts to be rm~unted on approved supports. OUBC 2517 (C) 4 13. Cross bridge or solid block 2" floor joists over 12" in depth every ~8' and solid block at supports. 14. Fire block studwalls and partitions (including furred spaces) at floor, ceiling, soffi~ and a~ mid height of walls over 10' in height and ~ong stair stringers. OL~BC 2517~f 15. Garage door header shall be man D. F. ~2 with double crioples. 16. Use header, been or rafter sizes noted on the plans. 17. Trusses shall be engineer approval. 18. A ridge board no~ less in depth th~n the cut end of the rafter is required. It shall be a vertical load b~aring member when roof slope is less than 3" in 12", OUBC 2518 19. Rafter ties spaced nmx. 4' o.c. are re- ~Hred inmediately above ceiling joists which ere not parallel to ~he rafters. OL~C 2518 Ch)-4 20. Roof pum~lins must not be smaller than the rafters they support. The m~x. span for 2 X 4/ 2 X 6 roof purlins is 4" × 6". For purlin sup- ports provide struts, not smaller than 2 X 4 with an unbraced length not over B' and not flatter than 45 degrees to the horizontal to bearing wall or partitions, oLq~C 25!8 ~q~)-5 ~ All weather exposed ply~apod s~hall be ~IIOR type and at least C-C grade. Attention: P~of overhangs. 22. Provide safe,ced attic vents ~rith a net f~ee area of 1/150 of the attic area (or 1/300 if half is along eaves and the balance at least 3' higher). OL~3C 3205-c eysRoof shall be sloped for drainage. Vel- shall be supported (flat valleys prohib- ited. ) Shingles (any kind) shall not be stalled on a slope of less than 4" in 12". Com- position shingles require a 15 ~und asphalt felt base sheet. Chapter 32. ~. Provide min, one hour fire separation be- tween garage and house, Separation shall ex- tend to roof line or across ceiling and re- maining bearing ~lls. Use rain. 1 3/8" solid core door. OUBC 503(d) exception A. 25. Enclosed usable space under stairs shall be provided with one hour protection on the enclosed side. OI~BC 3305-(m) 26. Elements of appliances which create a glow, spark of flame shall be located a min. of 18" above garage floor, OL%~!C 508 27. Appliances s~bject to mechanical damage shall be guarded by a protective barrier. OUBC 5O8 28. Clothes dryer located J~n an area that is habitable or containing other fuel b~rning ap- pliances shall be e~xhausted to the outside. OUMC 1903 29. Vent kitchen fm~ to outside via metal ducts.