Corrective Action Recommendation for Project Cost Variance

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1 INTRODUCTION The competitive business nowadays especially in construction industry, demands the increasing quality of construction service companies. There are some steps that can be done to improve that quality, for instance, by taking corrective actions in the construction project operation. Those corrective action in the operation phase could be a Project Control system, consist of cost, quality and time. Control of the project cost consists of material cost control, equipments, manpower, subcontractor, overhead cost and general condition. In construction project operation, often there is a project cost variance. One of the most influencing variables in project cost variance is material. Generally, in construction projects, material and equipment are the two major components, which is about 50-60% of the total project cost [1]. Based on the research by Kerridge [2] in 1987, it is found that material cost mostly could spend 60% of the total construction project cost, but this matter is often neglected. As a comparison, in manufacturing, material management cost at that time is budgeted 1% from the total project cost, while in construction; it is only budgeted 0.15%. Because of the ineffective material management at that time, therefore in some cases of office building construction, it causes the increasing amount of time or work delay up to 18% of the expected time, creating a cost variance. Project cost can be controlled by taking corrective actions towards the cost variance. Materials management is defined as a management system that is required in planning and controlling the quality & quantity of the material, punctual equipment placement, good price and the right quantity as required [3]. While in Kini`s opinion [4], material management is a management system 1 Formerly a Master Degree student in Construction Management at University of

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