Abstract
Construction projects are unique, complex, and have high risks, thereby increasing priorities. The application of the concept of mega con-struction with the risk of increasing costs needs to be eliminated by the value engineering and quality control methods. Re-analyzing a de-velopment plan is an option to save costs, but still in accordance with applicable specifications and conditions. Quality control with the six sigma method can be defined as relating to systemic and systematic to identify and eliminate waste or activities that are not added activities that do not add value, radical continuous improvement to achieve six sigma performance levels, by flowing products (material, work-in-process, output) and information using a Pull system from internal and external users to achieve goals and perfection with only produce a small amount for every one million opportunity or operation. The results of the case study conducted on the upper structure work (column and beam) based on the design value of the multi-storey building obtained a cost efficiency of 9.27% and 3.19% of the initial cost design. Whereas the implementation of six sigma is used to reduce work defects from excessive targets and low worker skills. NCR from this high-rise building project, obtained a value of 39 defects, with a Disability Per Million Opportunity value of 3.125 DPMO, which after being converted to a sigma table, is included in the 4.23 sigma category and a DMAIC (Define-Measure-Analyze-Improve-Control) in order to maintain quality and reduce defects resulting from upper structure work.
Highlights
Along with the development of construction in Indonesia, infrastructure facilities in the world of civil engineering experienced quite rapid development, as seen in 2018, there were 64 percent of civil projects compared to building construction projects (36%)
One of the problems that arise in the implementation of building construction is the increase in cost or excess cost of the total project cost ranging from 5% 7% due to variations in orders [5]-[7]
1) Information Phase In this case study discussed about the implementation of value engineering studies, where researchers take the object of research in the construction of academic buildings
Summary
Along with the development of construction in Indonesia, infrastructure facilities in the world of civil engineering experienced quite rapid development, as seen in 2018, there were 64 percent of civil projects compared to building construction projects (36%). Still colored by developments in the civil sector, this sector appears to provide figures with a value of 267,146 trillion in 2019 [1] This has resulted in increasingly competitive service providers, in providing the best service to project owners. The construction of construction projects is unique, complex, has a high risk so that many factors can result in increased costs. These problems can result in increased costs, quality deviations, waste of resources, and failure to achieve desired goals and objectives [3]-[4]. While the results of research waste in construction: over ordering or under ordering due to mistakes in quantity surveys, selection of low quality products, design and construction detail errors, supplying materials in loose form and poor resource management. While the results of research waste in construction: over ordering or under ordering due to mistakes in quantity surveys, selection of low quality products, design and construction detail errors, supplying materials in loose form and poor resource management. [8]-[10]
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