| Title |
Estimation of Utility Index in Design Value Engineering Considering Owner’s Preference |
| Authors |
Sungwoo Moon ; Changsik Kim |
| DOI |
https://dx.doi.org/10.6106/KJCEM.2025.26.4.049 |
| Keywords |
Value engineering (VE); Owner’s preference; Preference curve; Value index |
| Abstract |
Design Value Engineering (VE) enhances desing values by exploring alternatives to the existing design. During the design VE process, VE experts evaluate the superiority of design alternatives by estimating the value index of both the existing design and the alternatives. However, when estimating the value index, an excessively large cost reduction can lead to a rapid increase in the value index. This phenomenon occurs because the owner's preference for the cost reduction is not sufficiently reflected. Therefore, to avoid this result, the owner’s preferences should be analyzed and taken into consideration. The objective of this paper is to calculate a realistic design VE value index by reflecting the owner's preference to the cost reduction. To achieve this research objective, this paper 1) developed an owner's utility curve, 2) used the utility curve to correct the cost reduction and 3) calculated value index to consider the owner's preference. The research results demonstrated that applying the owner’s preference can better represent the improvement of desing value and effectively reflect the complex and diverse characteristics of construction operation in design VE. |