BASEMENT AREA 3\'-0\" 40\'-6 6\" S.O.G (30*15) Building 120-0 PART2 A) needed fo
ID: 1712446 • Letter: B
Question
BASEMENT AREA 3'-0" 40'-6 6" S.O.G (30*15) Building 120-0 PART2 A) needed for the footings and foundation walls in the basement area e amount of concrete needed for the footings and foundation walls in the basement area only 3. If the 6" thick slab-on-grade (S.O.G.) at the south side of the building has steel reinforcement of 1#4 bars 1. Estimate the formwork (in SFC the shown building plan. The footings are 1.5' deep and the foundation walls are 12 high. 2. E stimate th of the shown building plan.Explanation / Answer
2.
a) Amount of concrete for footing -
Given Footing depth = 1.5'
Assume thickness of foundation wall = 8"
Total perimeter of footing = [ 40.5' + (1.167' x 2) ] x 2 + [ 31.5' + (1.167' x 2) ] x 2 = 153.336 ft
Assume density of concrete = 150 lb /ft3
Total quantity of concrete for footing = 153.336' x 1.5' x 3' x 150 lb /ft3 = 103,501.8 lbs
Total quantity of concrete for footing = 103,501.8 lbs
b) Amount of concrete for foundation wall -
Given Foundation wall depth = 12'
Assume thickness of foundation wall = 8"
Total perimeter of foundation wall = [ 40.5'x 2 + 31.5' x 2 ] = 144 ft
Assume density of concrete = 150 lb /ft3
Total quantity of concrete for foundation wall = 144' x 12' x (8 / 12)' x 150 lb /ft3 = 172,800 lbs
Total quantity of concrete for foundation wall = 172,800 lbs
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