Correct Answer - Option 4 : Numbers
Explanation:
Units of measurements: The units of measurement are mainly categorized for their nature, shape, and size and for making payments to the contractor. The principal of units of measurements normally consists of the followings:
(i) Single units of work like doors, windows, trusses etc., are expressed in numbers.
(ii) Works consisting of linear measurements involve lengths like cornice, fencing, handrail, bands of specified width, etc., and are expressed in running meter (RM).
(iii) Works consisting of areal surface measurements involve areas like plastering, whitewashing, partitions of specified thickness etc., are expressed in square meter (m2).
(iv) Works consisting of cubical contents which involve volumes like earthwork, cement concrete, masonry, etc., are expressed in cubic meters.
