Potential Assessment Model of Planning, Procurement and Construction Management In Reducing Cost Inefficiency Due To Building Construction Material Waste (Case Study of SOE Contractors In Makassar City)

Abstract

The emergence of material wastes during the building
construction is inevitable, with direct and indirect impact costs.
However, this can be minimized by applying the concept of
proper management on the planning, procurement and
construction stages. This study, therefore, aims to analyze the
level of potential influence on the application of management
concept to the building construction materials. The dynamic
simulation test was used to reduce the ineffective impact of
material cost, reviewed by the parties involved in the project.
Data were obtained by distributing questionnaires to building
contractors consisting of experienced and responsible workers.
Furthermore, the data were analyzed and interpreted using the
path relationship concept, with the dynamic technique used to
determine the potential value of the model against time
changes. The results obtained in the Time Series Analysis are
the dynamic test of the model concept. The results of the
dynamic test analysis on the model concept is simultaneously
integrated to the planning, procurement and construction
stages, to reduce the impact of cost inefficiency in building
construction. The result also showed that there is a future
74.41% decrease in the average construction waste by a stateowned contractor with the ability to optimally reduce cost
inefficiencies.