Assessment of Impact on Project Cost and Schedule Due to Material Mismanagement in Trivandrum

Abstract

The paper aims to fill a void created by the absence of proper materials management on construction sites. Research has shown that construction materials accounts for 50-60% of the total cost in construction projects. For a productive and cost efficiency, material management is very essential. Material mismanagement decrease the contractor’s profit leading to huge losses, and leaving the project in big troubles, therefore the proper management of this single largest component can improve the productivity and cost efficiency of a project and help ensure its timely completion. The existing construction material management practices of contracting companies are investigated in this paper. The study was exclusively assessed through questionnaire survey, interviews, field visits and discussion with the concerned authorities. 26 factors were selected for the proper assessment of most critical factors. The population for this research was all ongoing building construction project sites in Trivandrum and purposive sampling techniques were used. To achieve these research objectives questionnaire survey and interviews were used to collect relevant data from contractors, consultants and client representatives on-site. A total of 45 valid questionnaire survey was returned 31(83.78%) from contractors, 9(81.82%) from consultants and 5(62.50%) from clients. So that, based on the respondent’s agreement the relative importance index (RII) value and percentage were used to rank and explain their agreement by using Microsoft excel.