Bill of Quantities (BOQ)

It is one of the communication tool which connects the parties (Client, consultant & contractor) of construction project. Keith defines, BOQ is a schedule which categories, details and quantifies the materials and other cost items to be used in construction project. It is important to know that, direct costs & indirect costs are to be considered for complete cost of the project which are covered in different parts of the BOQ.

Generally BOQ is in tabular form which contents description, unit, quantity, rate & amount in different columns.

Importance of BOQ

BOQ shall be used in every phase (pre-contract & post-contract) of the project but need of BOQ differs based on different contract agreements & project. The major usages are listed below.

  • It provides basic idea of the project by giving the quantities to tenderers.
  • It defines the extent of the work. (But it should be identified in line with drawings & specification as well).
  • It gives estimated or anticipated contract sum. (Very important to client)
  • It provides a basis for valuation of variation. (Variation is to be discussed in detail).

Parts of BOQ can be varied according to the project size as well the practices. Generally it has measured works, Preliminaries & Provisional sums. The contract sum would be addition of these three items.

 

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