Task 1
a) Estimation of earthwork: There is no architectural drawing provide in the
assignment. Therefore one can estimate earthwork by assumption only. Assumptions
are mentioned below:
i) Assuming height of the building 3 meters
ii) Assuming 0.01% of the area of total site area to be built of earthwork
iii) Assuming standard size brick i.e. 215mm X 102.5mm X 65mm
Area of Industrial complex = 1 Km X 1Km = 106 m X 106 m = 1012 m2
Area of earthwork based on assumption ii = 1012 X 0.01
100 = 108 m2
Volume of earthwork = 3 X 108 m3
Vol. of one brick = 215 x 102.5 x 65 = 1432437.5 mm3 = 1432437.5 X 10-12 m3
Total no of bricks required = 3 X 108
1432437.5 X 10−12 = 209.4 X 1020 bricks
Equipment and techniques:
There will be many tasks which will be required to execute such as:
Surveying equipment:
The first step in construction is surveying. In surveying exact location of various components
of the building are marked by using equipment like Total station, Tachometer, chain,
compass, measuring tapes, tripod, dumpy level etc.
Excavation:
Power shovels and backhoe will be required for excavation away from the river and dredgers
will be required to excavate near river. For hauling purpose trucks will be required.
Lying of foundation:
We will need a large amount of concrete for lying of foundation for that concrete plant should
be built or Transit mixture truck will be required.
2

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