ANALYSIS OF CONSTRUCTION MATERIAL WASTE IN A RESIDENTIAL HOUSING PROJECT (Case Study: Rolling Hills Residence Karawang)

Abstract

Waste is an activity in a project that does not produce value, such as material waste, energy waste, or time waste. Material waste weighs heavily on construction costs. Therefore, material waste must be minimized. This research aims to find out: the types of materials that are mostly waste; the most dominant factors causing waste; and a type of prevention of material waste that is often carried out on the construction project at Rolling Hills Karawang Residence. The data in this research was obtained through a survey using an online questionnaire via Google Form with sources from workers from four contractors on the construction project at Rolling Hills Karawang Residence. After the data is obtained, data processing is carried out so that the research objectives are met. Apart from that, the data was processed using descriptive statistical methods and non-parametric tests (Kendall's W) as a means of validating the analysis results. The results of the analysis show that the types of materials that experience a lot of waste is wood formwork. The dominant factors that cause material waste is workers. Types of preventing material waste that are often carried out is: minimizing the occurrence of design changes.