1.

Normally earthwork is estimated for 30 m lead for distance and 1.5 m lift for height or depth, and this distance of 30 m and the height of 1.5 m are known as _____________(a) vertical lead and lift(b) normal lead and lift(c) horizontal lead and lift(d) transverse lead and liftI had been asked this question in final exam.My question comes from Estimate of Earthwork by Three Methods in section Road Estimating, Sanitary and Water Supply Work of Civil Engineering Drawing

Answer»

Right OPTION is (b) normal lead and LIFT

To explain I would say: Normal rate for earthwork is for 30 m lead and 1.5 m lift. For greater lead or lift the rates will be different (higher) for every unit of 30 m lead and for every unit of 1.5 m lift. The earthwork is, THEREFORE, estimated SEPARATELY for every 30 m lead and for every 1.5 m lift.



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