Please use this identifier to cite or link to this item: https://doi.org/10.1061/(ASCE)CF.1943-5509.0000206
Title: Generic method of grading building defects using FMECA to improve maintainability decisions
Authors: Das, S.
Chew, M.Y.L. 
Keywords: Commercial building
Database
Defects
FMECA
Maintainability
Maintenance
Qualitative analysis
Scoring system
Issue Date: 2011
Source: Das, S., Chew, M.Y.L. (2011). Generic method of grading building defects using FMECA to improve maintainability decisions. Journal of Performance of Constructed Facilities 25 (6) : 522-533. ScholarBank@NUS Repository. https://doi.org/10.1061/(ASCE)CF.1943-5509.0000206
Abstract: To improve building maintainability by preventing defects, a scientific maintainability scoring system necessitates a centralized database of defects and their systematic analysis or grading. Unlike causes, impacts of defects are not well defined. This research establishes bottom-up, qualitative failure mode effect and criticality analysis (FMECA) as a suitable defect grading tool and develops criticality parameters applicable for buildings. For two major systems, nine subsystems, and 62 components of Singapore commercial buildings, 319 defects were identified. Thirty-four experienced facility managers graded 45% of them as critical in a five-point Likert scale during a face-to-face questionnaire. Most critical defects were from five mechanical-electrical subsystems, namely, sanitary plumbing, HVAC, elevator, electrical, and fire protection. They are rare but significantly affect users and system performance. Though four civil-architectural subsystems were simpler, their defects showed higher frequency and economic impact. These subsystems were basement, facade, wet area, and roof. Here, structural members are excluded as beyond the scope of regular maintenance. The proposed method aptly evaluated defects from both complex and simple subsystems whose general characteristics matched with the identified nature of associated defects. The knowledge elicited will contribute to developing a Comprehensive Maintainability Scoring System (COMASS) with guidelines weighted as per their ability to mitigate both critical and noncritical defects. © 2011 American Society of Civil Engineers.
Source Title: Journal of Performance of Constructed Facilities
URI: http://scholarbank.nus.edu.sg/handle/10635/45695
ISSN: 08873828
DOI: 10.1061/(ASCE)CF.1943-5509.0000206
Appears in Collections:Staff Publications

Show full item record
Files in This Item:
There are no files associated with this item.

SCOPUSTM   
Citations

9
checked on Dec 6, 2017

WEB OF SCIENCETM
Citations

5
checked on Nov 19, 2017

Page view(s)

102
checked on Dec 10, 2017

Google ScholarTM

Check

Altmetric


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.