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QUINTON/COX CA~IN: FOUNDATION NOTES <br /> <br />RECOMMEND 4" concrete slab-on-grade using <br /> 6x6-10/10 w.w.f, set 1" clear of <br /> top of slab over 2" sand layer overT <br /> 6 mil vapor barrier over <br /> 4" (minimum) gravel base over <br /> firm, original subgrade. <br />Provide corner bars (~4 x 24" ~4") at each continuous <br />bar at all corners and intersections, typical. <br /> <br />3. ~aterials: Concrete <br /> <br />3000 psi at 28 days <br />3500 at SLABS. <br />Slump (ftg) 3" 5" <br />Slump (slab) 2" - 4" <br />Portland Cement C-150 <br />5-1/2 sacks per cu.yard <br />Aggregates per C-33 <br />3/4" max. agg. size <br />Water per C-94 <br />Conc Temp btwn 50-90 F <br />Air Entrain 5%-7% <br /> <br />Note: The concrete supplier <br />ibility for the ~alx design <br />concrete. <br /> <br />shall assume full respons- <br />and the overall performance <br /> <br />of the <br /> <br />Rebar ASTM A615 Grade 40 <br /> Lap splice 40 dia. min. <br /> <br />Steel ASTM A36 ($tr. Steel) <br /> ASTM A307 (Bolts} <br /> E70XX Welding Electrodes <br /> <br />4. Ail footings to be founded on firm, original subgrade. <br /> <br />FOOTING SCHEDULE <br /> <br /> G 2'-0" SQ x 10" thick footing <br /> W/ (2) #4 each way at 3" clear of bottom. <br /> <br />Q 3'-0" SQ x footing <br /> 12" <br /> thick <br /> W/ (3) #4 each way at 3" clear of bottom· <br /> <br /> <br />