Abstract
This paper examines the criteria and attributes for assessing defects in a heritage building. The goal of this paper is to solve element type for building defects by using the Analytic Hierarchy Process (AHP). A survey questionnaire was develop based on the identified criteria and attributes of defect for a heritage building in Malaysia. The survey questionnaire was administered to consultants, academics, and contractors. A total of 20 expert panels was selected to determine the element of the defect in building performance. The sensitivity analysis of alternative ratings in respect to difference pairwise comparisons of the criteria and attribute was carried out. By changing one element in the pairwise comparison matrix, the process of defect element is monitored thus enabling possible improvements. An overall ranking of the Hierarchy priorities of criteria and attribute was a result of the AHP analysis. The result of the research is weightage for each criterion and its respective attributes. The criteria and attributes will be used as elements to develop a strategic heritage building performance procedure in Malaysia.
Highlights
The element process is very complex for a heritage building
This case study is aimed at assessing the important criteria of building elements and heritage building conditions from any defects found in the museums under study, using the Analytic Hierarchy Process (AHP) method
This model is tested on three museum buildings located in the state of Pahang, where data collection begins; through semi-structured group interviews, the information needed to begin developing the proposed model is obtained, and the most important criteria and attributes for the problem assessment process have been identified
Summary
The element process is very complex for a heritage building. It is necessary to consider many different factors, such as building use, structural durability, building components, financial, building condition assessment, and others. Given the time perspective in heritage building planning, it is clear that the element in which a building operates is predicted for a relatively short time, and uncertainty increases with time [1]. Listing under the UNESCO heritage site will be supported by relevant stakeholders including building owners, technical professionals and competent persons, to ensure heritage conservation efforts in Malaysia are successful. Given that the problem is the manufacture of multiple criteria, the Analytical Hierarchy Process (AHP) is used to select the appropriate building element. Element selection is a process related to the building; the use of AHP is reasonable. The advantage of this decision-support tool is the last position obtained based on a paired pair rating of both criteria and options provided by the user. By changing one element in a pairing matrix (while maintaining constants with others), the building element selection process is monitored allowing improvements to be made possible
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