01 Grade beam/foundation wall 02 Nonexpansive backfill, slope grade 03 Asphalt felt 04 10" gravel 05 Perimeter drain wrapped in fabric 06 6-mil PVC liner 07 Caisson drilled down to bedrock or good bearing soil 08 Nonbearing soil 09 6-mil Visqueen barrier 10 SureVoid form void Accommodates expansion of nonbearing soil SureVoid Products 11 Structural wood floor 12 2X12 P.T. ledger bolted to wall 13 Counterfort		14 2' X 2'-6' access 15 Dampproofing 16 SureVoid corrugated paper form void SureVoid Products 17 Short length of Sonotube form at top of caisson 18 Soil sloped toward perimeter drain 19 10" diameter pier with four or five #5 rebar, typical. Rebar extends into grade beam. 20 +/- 12" long sonotube form Helps adjust level and ensures caisson does not "mushroom" at ground surface 21 18" min. clearance between soil and underside of joists 22 I-joists bear on wood blocking 23 Steel girder/steel saddle bolted to wall