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<br />Prescriptive Foundation Details <br /> <br />For Typical Light Frame Constructed Buildings <br /> <br />Assumptions for this Detail: <br /> <br />Minimum 1/2" diameter anchor bolts, <br />spaced 6’-0“ on center and embedded at <br />* <br />Conventional light-frame <br />least 7” (4’-0” on center if over 2 stories) <br />construction <br /> <br />* Wood or other light siding <br /> with 3” x 3” x 0.229” galvanized plate <br />* 1500 psf soil bearing capacity <br /> <br />washers and within 12” of each end of <br />* Group I, II, or III soils <br /> <br />each sill board. <br />* Backfill no closer than 6” to top <br /> <br />of wall <br /> <br />7" <br />6" <br /> <br />n wall <br />* Walls must be laterally restrained <br />at the top and bottom of wall <br /> <br />io <br /> <br />Vertical bars at <br />#4 Horizontal bars spaced 18" on t of foundat <br /> <br />least 2” from the <br />center. Top bar must be within 7” of <br /> <br />inside face of <br />the top of the wall to engage the <br /> <br />"A"- Distance below grade <br />the wall but not <br />anchor bolts <br />more than 3” in <br />h <br />Vertical bars spaced per the <br />ig <br />an 8” thick wall <br />tal he <br />schedule below or in accordance <br />with Table R401.1.1.1(5) <br />o <br /> T <br /> <br />- <br /> <br />Bars must be hooked at the "D" <br />connection with the footing <br /> <br />Reinforcement placed in concrete <br />2 - #4 horizontal rebar <br />forms shall be at least 1-1/2” from <br /> continuous throughout the <br />edge where the concrete will <br /> “E” entire footing, spaced at <br />be exposed to earth. Where concrete is placed against earth, “C” <br />least 3” above the bottom <br /> <br />there must be at least 3” clearance. <br /> <br />Minimum Requirements for Foundations Supporting Bearing Walls <br /> <br /> <br />“A” <br />“C” Minimum Minimum <br />Number of Floors “E” Minimum “B” Minimum <br />Stem Wall Depth to Bottom Footing <br />Footing Footing <br />Supported by <br /> <br />Thicknessof Footing <br /> <br /> <br />FoundationThicknessWidth <br />Reinforcement <br /> <br /> <br />12”2 - #4 Bars Cont. <br /> <br />112”6” <br /> <br />6” <br /> <br />26”15” <br /> <br />6”12”2 - #4 Bars Cont. <br /> <br />3 <br /> <br />2 - #4 Bars Cont. <br /> <br />8”12”8”23” <br /> <br /> <br />Minimum Wall Reinforcement (Grade 60reinforcement steel) <br /> <br />Minimum Wall Maximum Wall <br /> <br />Horizontal Reinforcement SteelVertical Reinforcement Steel* <br /> <br />Thickness – (E)Height – (D) <br /> <br />6”24”1 - #4 Bar#4 bars @ 48” o.c. <br /> <br />6”36”2 - #4 Bars @ 18” on center#4 bars @ 48” o.c. <br /> <br />6”60”4 - #4 Bars @ 18” on center#4 bars @ 48” o.c. <br /> <br />8”48”3 - #4 Bars @ 18” on center#4 bars @ 48” o.c. <br /> <br />8”72” #4 bars @ 48” o.c. <br />4 - #4 Bars @ 18” on center <br />The County of Hawai‘i is an Equal Opportunity Provider and Employer <br /> <br /> <br />101 Pauahi Street, Suite 107 74-5044 Ane Keohoklole Hwy <br />ā <br />Hilo, Hawai‘i 96720 Kailua-Kona, Hawai’i 96740 <br /> <br />Tel: (808) 961-8331 Page 21 Tel: (808) 323-4720 <br /> <br />