CONSTRUCTION PROCESS Flashcards
What is a Bill of Quantities?
A detailed and itemised list of the components required for the construction of a building
Prepared by quantity surveyors from drawings by architects and structural engineers.
Who prepares the Bill of Quantities?
Usually the quantity surveyor employed by the owner
Sometimes the building contractor’s surveyor prepares it from the owner’s drawings.
What is the purpose of the Bill of Quantities in a contract?
It forms the basis of a contract and helps determine the cost of a building
It provides a clear financial commitment before proceeding with construction.
What are trade bills?
Bills specific to each trade arranged in a special order given by a Standard System
Together, these bills comprise the Bill of Quantities.
What must a contractor do before signing a contract?
Carefully review the general plans, specifications, and working drawings
To ensure consistency in sizes and other information across all documents.
How are tenders usually awarded?
Through a competitive tendering process
Each contractor submits a tender knowing they are competing against others.
What is a Bill of Quantities contract?
A contract where drawings and specifications are completed before preparing the Bill of Quantities
It lists the labour and materials necessary to complete the project.
What does the tenderer do in a Bill of Quantities contract?
Prices the list of labour and materials
The total figures are then added to obtain the tender price.
What is the main advantage of a Bill of Quantities contract?
It provides a truly competitive environment and financial clarity before construction starts
It also allows for the calculation of variations in the form of additions and omissions.
What is a Schedule of Rates contract?
A contract based on a provisional Bill of Quantities
Used where time is limited and is prepared from basic sketch drawings.
When is the Schedule of Rates prepared?
While the contractors are tendering and during the early stages of construction
It is completed as soon as the drawings are finalized.
True or False: The lowest tender is always accepted.
False
The lowest tender may not be accepted if it is unrealistically low.
What is a Bill of Quantities?
A detailed and itemised list of the components required for the construction of a building
Prepared by quantity surveyors from drawings by architects and structural engineers.
Who prepares the Bill of Quantities?
Usually the quantity surveyor employed by the owner
Sometimes the building contractor’s surveyor prepares it from the owner’s drawings.
What is the purpose of the Bill of Quantities in a contract?
It forms the basis of a contract and helps determine the cost of a building
It provides a clear financial commitment before proceeding with construction.
