Evaluation of Materials Management Strategies in the Nigerian Construction Industry-(A Case Study of Selected Buildings Sites in Lagos State.)
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Abstract
This study on the Evaluation of Materials Management Strategies in the Nigerian Construction Industry. Questionnaires were used to collect data from the construction participants. Main factors of materials management were summarized into five basic independent variables (X) namely; materials planning (x1), material procurement (x2), material handling (x3), material storage (x4) and material usage (x5). Six rating basic questions were asked and the numerical summation of the ratings formed the observed value for the independent variables in the case of that respondent. The same was applied in the assessment of state of material management as applicable to construction industry in Nigeria (Y) which formed the dependent variable. Multiple regression analysis was carried out on the data using E-view package and SPSS package and the following relationship was established between the dependent and independent variables. Y = 1.084452539 + 0.5702062292x1 – 0.114384169x2 + 0.3604260282x3 + 0.1852074864x4 – 0.266328778x5. Testing the hypothesis using absolute value of T-statistics and probability values show that among the factors studied, only two of them planning(x1) and handling (x3) were statistically established as being critical to materials management in construction projects delivery in Nigeria. Material planning and issuing system at sites should be automated in order to minimize human errors. Storage of materials should only be maintained at minimal level in construction sites.
Keywords
Evaluation, Materials, Management, Strategies, Construction, Industry
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