Why Cost Control?
The cost control is a process that should be continued through the construction period to ensure that the cost of the building is kept within the agreed cost limits. All expenditure limit control must be related to the functional requirements of the particular building type, but it is perhaps less obvious that functional cost limits may be expressed in a variety of units. The cost control can divide in to two major areas, the control of cost during design stage and the control of cost by the contractors once the construction of project has started.
The main aims of the cost control are probably:
1. To give Employer good value for money – A building which is soundly constructed, of satisfactory quality and appearance and well suited to perform the functions for which it is required, combined with economic construction and layout, low future maintenance and operating costs, and completed on schedule as lost time is also lost money and in accordance with the agreed brief.
2. To achieved a balanced and logical distribution of the available funds between the various parts of the building. Thus the sums allocated to cladding, insulation, finishes, services and other elements of the building will be properly related to the class of building and to each other.
3. To keep total expenditure within the amount agreed by the client, frequently based on an approximate estimate of cost prepared by the quantity surveyor in the early stages of the design process. There is a need for strict cost discipline throughout all stages of design and execution to ensure that the initial estimate, tender figure and final account sum are all closely related.
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