PRE-ENGINEERED RESIDENTIAL FOUNDATION DETAILS
2021-6-20u2002·u2002PRESSURE (psf) LATERAL BEARING PRESSURE(psf/ft below natural grade) LATERAL SLIDING RESISTANCE Coefficient of frictiona Cohesion (psf)b 1. Crystalline bedrock 12,000 1,200 0.70 — 2. Sedimentary and foliated rock 4,000 400 0.35 — 3. Sandy gravel and/or gravel (GWand GP) 3,000 200 0.35 — 4. Sand, silty sand, clayey sand,silty gravel and clayey
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