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Enshassi, A, Mohamed, S and Abdel-Hadi, M (2013) Factors affecting the accuracy of pre-tender cost estimates in the gaza strip. Journal of Construction in Developing Countries, 18(1), 73-94.

  • Type: Journal Article
  • Keywords: accuracy; clients; consultants; cost estimation
  • ISBN/ISSN: 1823-6499
  • URL: http://web.usm.my/jcdc/vol18_1_2013/art5_jcdc18-1.pdf
  • Abstract:
    Pre-tender cost estimates of construction projects require extensive knowledge and expertise. The aim of this paper is to identify, evaluate and rank essential factors affecting the accuracy of pre-tender cost estimating from the perspective of clients and consultants. A survey questionnaire was conducted to elicit professionals' views on and experiences with factors affecting the accuracy of pre-tender cost estimates; a total of 70 organisations (i.e., 46 clients and 24 consultants operating in the Gaza Strip, Palestine) responded to the survey. The results of analysing a total of 64 factors considered in the questionnaire reveal that the top five factors affecting the accuracy of pre-tender cost estimating are (1) materials (prices/availability/supply/quality/imports), (2) closure and blockade of borders, (3) project team's experience in the construction type, (4) the experience and skill level of the consultant and (5)clear and detailed drawings and specifications. Kendall's coefficient of concordance was used as a measure of agreement between the two groups of respondents (i.e., clients and consultants)who ranked various factors and it appears that they are generally in agreement. Both clients and consultant groups should focus on the main factors identified in this study to develop effective strategies for accurate cost estimating, which would ultimately lead to successful projects. © Penerbit Universiti Sains Malaysia, 2013.

Giddings, B, Anyigor, K and Matthews, L (2013) Social structures, local economic development and environmental quality in deprived communities: The case of the kpirikpiri community in South-East Nigeria. Journal of Construction in Developing Countries, 18(1), 109-33.

Goh, C S and Abdul-Rahman, H (2013) The identification and management of major risks in the Malaysian construction industry. Journal of Construction in Developing Countries, 18(1), 19-32.

Ibironke, O T, Oladinrin, T O, Adeniyi, O and Eboreime, I V (2013) Analysis of non-excusable delay factors influencing contractors' performance in lagos state, Nigeria. Journal of Construction in Developing Countries, 18(1), 53-72.

Ismail, S (2013) Factors attracting the use of public private partnership in Malaysia. Journal of Construction in Developing Countries, 18(1), 95-108.

Priyadarshani, K, Karunasena, G and Jayasuriya, S (2013) Construction safety assessment framework for developing countries: A case study of Sri Lanka. Journal of Construction in Developing Countries, 18(1), 33-51.

Ssegawa-Kaggwa, J, Ngowi, A B and Ntshwene, K (2013) Using a situation analysis to identify the construction industry deficiencies in Botswana. Journal of Construction in Developing Countries, 18(1), 1-18.