2019 CSCE Annual Conference - Laval (Greater Montreal)

2019 CSCE Annual Conference - Laval (Greater Montreal) Conference


Title
Development of Building Condition Assessment by Leveraging Subsystem Reliability

Author(s)
Mrs. Soojin Yoon, Construction Engineering and Management, Purdue University (Presenter)
Dr. Theodore (Ted) J. Weidner, Division of Construction Engineering and Management, Purdue University
Dr. Makarand Hastak, Division of Construction Engineering and Management, Purdue University
Dr. Nader Naderpajouh
Abstract

In the hierarchical building management system, building is divided into three levels: the system level, subsystem level, and the component level. The buildings can be categorized into eight systems: interior, shell, electrical, plumbing, conveyance, heating, ventilation, and air conditioning (HVAC), fire protection, and equipment. Each system level can be classified into several subsystems.  The subsystems consist of numerous components at the component level. Current condition assessements of a building do not accurately relfect the conditions of the subsystem or component level due to the complexity of the the building system. This research proposes an innovative framework to evaluate the building condition called total-package prioritization (TPP) to prioritize the deferred components, system, and subsystem. The framework consists of three main phases: (1) system condition assessment (2) component condition assessment and (3) subsystem condition assessment. This research applied probabilistic risk analysis using reliability theory to consider the organic relationship with the building system through Fault tree analysis and Bayesian network analysis. Our proposed framework for the building condition assessment will allow the stakeholders and decision makers to prioritize the building at different levels to deal with deferred maintenance backlogs. Furthermore, the result of the TPP will help in budget allocation to improve the long-term budgetary goal of the physical asset management.