Question $3$:

a$.$ The opposite below shows the plan and elevation of a steel fence. It is required to make a quantity take$-$off for the:

excavation,

backfilling,

plain concrete,

reinforced concrete footings,

ground beams,

columns,

brick work, and

the steel fence. Assume that the weight of horizontal or vertical steel bars used in the fence as $3\mathrm{.}5k\frac{g}{m}.$

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