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Betts, M and Lansley, P R (1993) Construction Management and Economics: a review of the first ten years. Construction Management and Economics, 11(04), 221-45.
Davenport, P (1993) Extensions of time: time for change. Construction Management and Economics, 11(04), 305-7.
Kaka, A P and Price, A D F (1993) Modelling standard cost commitment curves for contractors' cash-flow forecasting. Construction Management and Economics, 11(04), 271-83.
Kodikara, G W, Thorpe, A and McCaffer, R (1993) The use of bills of quantities in building contractor organizations. Construction Management and Economics, 11(04), 261-9.
- Type: Journal Article
- Keywords: bill of quantity; case study; estimating; quantity surveying
- ISBN/ISSN: 0144-6193
- URL: https://doi.org/10.1080/01446199300000026
- Abstract:
The prime purpose of the Bill of Quantities (BQ) is to enable all contractors tendering for a contract to price on exactly the same information. Subsequent to this, it is widely used for post-tender work such as: material scheduling; construction planning; cost analysis; and cost planning. Due to the re-work involved in the post-tender use of the BQ, the extent of use of the BQ is important. The re-work is any work such as; modification, or grouping, or breaking up of data when used for a particular task by a management group. The extent of use is defined as the direct use, after subtracting the re-work from the total use. This paper identifies the contractors current use of the BQ for post-tendering work based on eight case studies, and establishes the extent of use thus highlighting the re-working of the bill. By establishing the extent of use, the true picture of the direct use and the repetition work can be shown. The average extent of use of the BQ for post-tender work in the industry was found to be 50%. This 50% use of the BQ requires some form of re-working. This re-work needs to be reduced if improved post-tender use of estimating data is to achieved. Information stored in the BQ should be arranged in a directly useable way. It was found that, quantities, quantity units, and unit rates are the key elements of the BQ information that need to be presented in a more meaningful format if the amount of re-work is to be reduced.
Low S P (1993) The rationalization of quality in the construction industry: some empirical findings. Construction Management and Economics, 11(04), 247-59.
Moselhi, O and Lorterapong, P (1993) Near optimal solution for resource-constrained scheduling problems. Construction Management and Economics, 11(04), 293-303.
Sommerville, J, Kennedy, P and Orr, L (1993) Women in the UK construction industry. Construction Management and Economics, 11(04), 285-91.