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The plan view at just below window-sill level, but not showing door openings - is shown - of an outpost building of, say, the Forest Department. Section AA extending just a little above ground level GL and fully below ground level is shown. The wall and first footing are of random-rubble masonry in cement mortar, and the lowest part of the foundation is of mass rubble in cement mortar. The total volume of the 40 cm deep footing for the whole building is, nearly

The plan view at just below window-sill level, but not showing door openings - is shown - of an outpost building of, say, the Forest Department. Section AA extending just a little above ground level GL and fully below ground level is shown. The wall and first footing are of random-rubble masonry in cement mortar, and the lowest part of the foundation is of mass rubble in cement mortar. The total volume of the 40 cm deep footing for the whole building is, nearly Correct Answer 3.3 m<span style="position: relative; font-size: 10.5px; line-height: 0; vertical-align: baseline; top: -0.5em;">3</span>

Concept:

Total volume of footing = l × b × h

l = Total length of the footing 

b = Width of footing

h = Depth of the footing 

Calculation:

Center line length of footing = 5 + 0.35 = 5.35 m

Center line width of footing = 3.5 + 0.35 = 3.85 m

Total center line length of footing = 2 (L + B) = 2 (5.35 + 3.85) = 18.2 m

∴ Volume = 18.2 × 0.45 × 0.4 = 3.3 m3 

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