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HomeMy WebLinkAbout20181001_FTNG DTL AT SOLID ROCKSILL PLATE PER DRAWINGS z` 2", CLR — \ EARTH 5/8"0 ANCHOR BOLTS, CUT WASHER, & W/ 3" SQ. PLATE WASHER @ 48" 0.C. MIN. (1) — #5 TOP CONT. (2) — #5 BOTTOM CONT. SLAB—ON—GRADE REINFORCEMENT PER A/E 6 MIL MIN. VAPOR BARRIER 3", CLR i 0 > CV x / 16 #3 @ 24" O.C. CO 3/4" BASE COURSE, COMPACTED 90% COMPACTED SUBGRADE PER R403.2 IN—SITU SOLID ROCK CO\TI\UOUS FOOTI\G DETAIL © SOLD OC,< The applicability of this detail and the allowance for having a non—embedded footing is limited to those sites where the building site is entirely composed of solid rock in its original unripped state. Otherwise, the requirements of 2006 IRC Section R403 applies and the minimum footing embedment of 12" is required. This detail applies only to single—family residential construction. In structures exceeding two—story in height, use of this detail is prohibited. This detail is not applicable where the soil is other than solid rock. The County assumes no liability for the use, misuse or misapplication of this detail and it is the licensed professional who assumes all such liability. The County also reserves the right to reject the use of this detail at its discretion upon discovery that the in—situ requirements noted above are not satisfied. R403.2 Footings for wood foundations. Footings for wood foundations shall be in accordance with Figures R403.1 (2) and R403.1(3). Gravel shall be washed and well graded. The maximum size stone shall not exceed 3/4 inch (19.1 mm). Gravel shall be free from organic, clayey or silty soils. Sand shall be coarse, not smaller than 1/16—inch (1.6 mm) grains and shall be free from organic, clayey or silty soils. Crushed stone shall have a maximum size of 1/2 inch (12.7 mm). COUNTY OF HAWAII DEPARTMENT OF PUBLIC WORKS BUILDING DIVISION 101 PAUAHI ST; SUITE 7 HILO,HI 96720 COUNTY OF HAWAI'I DPW STANDARD DETAIL OCT 2018 CONTINUOUS FOOTING DETAIL AT SOLID ROCK REV DESCRIPTION DATE DESIGN BY: NE DRAWN BY: NB CHECKED BY: NE FTG -01 - OF - SHTS