Because of its benefits, value engineering (VE) has been applied in the public sector of construction industry through systematic VE job plan workshop. However, unsatisfactory VE workshop have often been reported used to the deficient in the traditional VE job plan, which has hampered the VE application for private projects. The function analysis phase plays a key role in delivering VE workshop outcomes, while how to efficiently and objectively allocate building cost to each function has long been a problem. Current study applied a fuzzy-based method to improve the traditional function cost allocation in terms of objectivity and efficiency. Triangular fuzzy numbers (TFNs), as one of fuzzy methods, is applied to transfer the VE participants’ linguistic and vague evaluation of the function performance of the building elements into numerical values. A real case study was carried out to examine the proposed method. In the case study, a group of VE participants was able to establish a Function Analysis System Techniques (FAST) diagram for the case building, and give their linguistic evaluation in different degree about the function performance of specific building elements. The linguistic evaluation was then transferred to numerical value by TFNs algorithms in order to understand the function performance of building elements, which laid the ground for allocating cost of building elements to functions. The findings indicated that the function cost allocation through the TFNs are generally reasonable and reliable, which could be applied to benefit other VE projects. Current study was able to contribute to improve current VE practices by offering the way to objectively and efficiently allocate function cost.

Value engineering in the construction industry

Apply a Fuzzy Method to Perform Objective Allocation for Buildings Cost in Value Engineering Job Plan Process

Building design, being as much an art as a science, requires creativity, imagination and judgment. These talents can be inspired and assisted by systems design to produce better and less costly buildings. The big advantage of systems design over traditional building design is that systems design marks clearly the precise path for production of optimum results.

Systems Design Method

The present study aims to investigate and formulate factors influencing the engineering value of urban construction phases in a Bustan located in Tehran, Iran. First, four main factors of "system management", "characteristics and specifications", "implementing company" and "environmental conditions" were evaluated using questionnaire method among 63 managers and experts, consultant, and contractor of the Iranian Boston Project. Then, factors and criteria were analyzed using descriptive statistics and various tests such as Kolmogorov-Smirnov's Normality Test, Binomial Ratio Test, and Friedman Ranking Test using SPSS software. The results showed that system management with a value of 3.25 has a higher priority than other factors affecting the engineering value of the phase of the construction, and the characteristics of the project with the value of 2.92, the host company with the value of 2.31 and the environmental conditions of the project with the amount of 1.52 are in the order of priority.

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Investigating and Developing Factors Affecting the Engineering Value of the Phase of Construction of Urban Gardens (Case Study of Iranian Gardener in Tehran)

Value engineering in the construction industry

Citations

Apply a Fuzzy Method to Perform Objective Allocation for Buildings Cost in Value Engineering Job Plan Process

Systems Design Method

Investigating and Developing Factors Affecting the Engineering Value of the Phase of Construction of Urban Gardens (Case Study of Iranian Gardener in Tehran)

Applying Value Engineering Concept in Project Life Cycle- Case Study: Deir El Balah Desalination Plant

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