Question

Unit of measurement of rock excavation is:
1. m³
2. m²
3. cm
4. ft²
5. m

Answer 1

Correct Answer - Option 1 : m³

Explanation

General rules for measurement are:

1. Measurement shall be item wise for the finished items of work and the description of each items shall be held to include materials, transport, labour, fabrication, hoisting, tools and plants, over hands and other incidental charges for finishing the work to the required shape, size, design and specifications.

2. In booking dimensions the order shall be in the sequence of length, breadth and height or depth or thickness.

3. All works shall be measured subject to following tolerances:

(i) Dimensions shall be measured to the nearest 0.01 meter.

(ii) Areas shall be measured to the nearest 0.01 sqm.

(iii) Cubic contents shall be worked up to the nearest 0.01 cum.

4. Mass, voluminous and thick works shall be taken in cubic unit or volume.

5. Shallow, thin and surface work shall be taken in separate units or in area.

∴ Measurement of rock excavation is in m³