Abstract
Work Breakdown Structure (WBS) is a breakdown of project work into smaller components so it can be better managed. Although each project is unique, most buildings can be standardized in their activities to enable the provision of a stronger forecast for project management. Quality performance is also important to be controlled and risk consideration approach is now required for overall quality management process in the updated ISO 9001. Therefore, the development of risk-based WBS for quality planning is proposed. The objective of the study was to develop risk-based WBS for high-quality building architectural works. The research consisted of several stages with qualitative risk analysis method. The result indicates that standardized WBS consists of 5 primary levels and 2 complementary levels, with 14 dominant risk variables on quality performance, and recommended risk responses as the development.
Highlights
Rework intensity on architectural works is found to be the most often in construction industry [1], there are many cases on high-rise apartment building in Jakarta, Indonesia indicate bad quality of building leaks and cracks [2]
The result indicates that standardized Work Breakdown Structure (WBS) consists of 5 primary levels and 2 complementary levels, with 14 dominant risk variables on quality performance, and recommended risk responses as the development
The methodology in this research was based on the following: (1) To identify the standardized WBS, the data are collected from analysis of archives, benchmarks, and interview of experts with Delphi method; (2) The risk identification derived from the standardized WBS category and the variables are obtained from literature analysis, questionnaire are distributed to respondents from construction background
Summary
Rework intensity on architectural works is found to be the most often in construction industry [1], there are many cases on high-rise apartment building in Jakarta, Indonesia indicate bad quality of building leaks and cracks [2]. Each project is unique, most building construction works can be standardized to enable the provision of basic activities to have robust estimates for project management [7]. The objectives of this research are to identify standardized WBS for high-rise building construction (case study of apartment building’s architectural works), to identify risks from the standardized WBS that may cause quality incompliances, and to develop risk-based standardized WBS for architectural works
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