Abstract
Construction, taking off, maintenance and facilities management of a building is a typical example of consumer sovereignty: the new owner likes to have a reasonable price to pay, to have confidence in the contractor, to know about the duration of the works, the service after completion and the quality of the work. On the other side the contractor has his objectives too, like the satisfaction of the client, diminishing of external costs and annoyances and the management cost per employee as low as possible. In other words it concerns a problem of multi‐objectives. Therefore a final ranking will show the best performing contractor from the point of view of the clients but also from the point of view of the contractors themselves. The MOORA method based on ratio analysis and dimensionless measurement will accomplish the job of ranking the contractors in a non‐subjective way. As an application the largest maintenance contractors of dwellings in Vilnius, capital of Lithuania, were approached.
Highlights
The effectiveness of construction and maintenance depends on many micro- and macro-environmental factors
Effectiveness is hereby perceived as the process of providing building maintenance services, which results in ultimate implementation of the goals of the interested groups participating in the process
The effectiveness of any process is assessed in terms of objectives, which vary depending on the problem concerned and the particular goals of the interested groups
Summary
The effectiveness of construction and maintenance depends on many micro- and macro-environmental factors. The effectiveness of decision making will depend on the goals of all interested groups, participating in the process and with regard to the impact of the microand macro-environmental factors. M. Brauers et al Multi-objective contractor’s ranking by applying the MOORA method er that the selected contractor can achieve the project goals. Hatush and Skitmore (1998) have initiated the use of systematic multi-attribute decision analysis techniques for contractor selection and bid evaluation based on additive multi-attribute utility function model. Evaluation of contractors based on multi-attributes is becoming more popular and is, in essence, largely dependent on the uncertainty inherent in the nature of construction projects and subjective judgment of decision makers. To select contractors Topcu (2004) used Analytical Hierarchy Process methods and proposed a multi-attribute decision model based on time, price and quality attributes evaluation for eligible contractor selection.
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