General Consideration

• The rates of the project will vary tremendously with consideration include whether 

- It can be included as part of the larger contract 

The time when the work is to be undertaken 

- The availability of the contractors .

• Small projecs are usually more expensive in term of cost per unit of floor area because of the limited amount of work to be carry out in each trade and the large rproportion of overheads . 
• It is necessary to adjust the estimate to make allowance for the possible incresed in costs occuring between the data preparing the estimate and the data of subletting the contract .