Cost Performance Comparison of Design-Build and Design-Bid-Build for Building and Civil Projects Using Mediation Analysis

2020 ◽  
Vol 146 (9) ◽  
pp. 04020113 ◽  
Author(s):  
Hyosoo Moon ◽  
Kwonhyun Kim ◽  
Hyun-Soo Lee ◽  
Moonseo Park ◽  
Trefor P. Williams ◽  
...  
Keyword(s):  
Mediation Analysis ◽  
Performance Comparison ◽  
Cost Performance ◽  
Design Build ◽  
Design Bid Build

Logistic regression analysis for factors influencing cost performance of design-bid-build and design-build projects

2017 ◽  
Vol 24 (1) ◽  
pp. 118-132 ◽  
Author(s):  
Wenxue Lu ◽  
YuanYuan Hua ◽  
SuJuan Zhang
Keyword(s):  
Logistic Regression ◽  
Regression Analysis ◽  
Influencing Factors ◽  
Logistic Regression Analysis ◽  
Cost Performance ◽  
Project Cost ◽  
Content Type ◽  
Factors Influencing ◽  
Design Build ◽  
Design Bid Build

Purpose The purpose of this paper is to explore the influencing factors of cost performance of design-bid-build (DBB) and design-build (DB) projects and comparing the differences of influencing factors between these two delivery methods. Design/methodology/approach This research identified and refined 14 influencing factors through literature review and academic expert discussions. Questionnaire survey was conducted to collect data about the influencing factors and project cost performance. Then those factors were reduced to four components by factor analysis. Logistic regression analysis is used to investigate the relationship between four principal components and project cost performance. Findings The results indicate that the significant influencing factors of project cost performance of DBB projects and DB projects are different. For DBB projects, owner abilities, such as owner team ability, owner experience, and owner finance, are important influencing factors causing cost overruns, while for DB projects cost performance is more sensitive to the contractor abilities, namely, contractor team ability, contractor finance, contractor experience, etc. Research limitations/implications The results of the paper are mainly derived by quantitative research method based on the survey of 144 samples, so the results may need validation by qualitative studies. Further research could apply case study or interview to validate the findings in this research. In addition, project type and location are not considered as control variables due to the limited number of samples, future research could be conducted to investigate their relationship with project performance. Practical implications The findings of this research not only help practitioners have a better understanding of the factors influencing project cost performance, but also provide some guidelines for practitioners to pay attention to different factors to better control the cost performance within different delivery systems. Originality/value Owner ability and contractor ability are found to be of different importance in influencing cost performance of DBB and DB projects. This research extends previous research on cost management by considering different significant factors in influencing project cost performance within DBB and DB projects.

How Do Design-Bid-Build and Design-Build Differ?

Opflow ◽  
2012 ◽  
Vol 38 (12) ◽  
pp. 6-7
Author(s):  
Holly Shorney-Darby
Keyword(s):  
Design Build ◽  
Design Bid Build

scholarly journals Characteristics of Procurement Methods in Malaysia – Comparing Design-Bid-Build, Design-Build and Construction Management

2020 ◽  
Vol 11 (3) ◽  
Author(s):  
Azeanita Suratkon ◽  
◽  
Riduan Yunus ◽  
Rafikullah Deraman ◽  
◽  
...  
Keyword(s):  
Construction Industry ◽  
Construction Management ◽  
Construction Projects ◽  
Building Construction ◽  
Technical Expertise ◽  
Time Cost ◽  
Project Complexity ◽  
Design Build ◽  
Procurement Method ◽  
Design Bid Build

Design-Bid-Build (DBB) or commonly known as Traditional method is the earliest and most prevalent procurement method used in Malaysian construction industry. Design-Build (DB) and Construction Management (CM) procurement methods were later introduced in Malaysia as an endeavour to satisfy and accommodate the increase in project complexity and the need for avoiding drawbacks of the Traditional methods. Each procurement method has different nature and possesses certain characteristics. Therefore, this study was carried out to ascertain and compare the characteristics of these three procurement methods that are implemented in building construction projects in Malaysia. A questionnaire survey was conducted among architects, consultants, contractors and owners or developers to elicit their feedback on the characteristics which were categorised into time, cost, quality, complexity and flexibility, degree of involvement and responsibility allocation and technical expertise. The findings indicated that only DB method almost fulfils all the characteristics under the six categories, whereas, DBB methods garnered agreement only for certain characteristics under time, cost, complexity and flexibility and technical expertise categories. Meanwhile, the only CM method’s characteristics that satisfy agreement from the respondents are the often used of fast track approach and lack of certainty in price. This study concludes that when a procurement method is adopted for a construction project, not all the features or characteristics will turn out as expected. There are many factors that contribute and are influential on the success in procurement methods that are worth for further investigation.

scholarly journals A Comparison Between The (Design-Build DB) and (Design-Bid-Build DBB) Approaches Used in the Jordanian Construction Sector and Clarify the Risks Associated with Each Approach

2021 ◽  
Vol 4 (1) ◽  
pp. 1-12
Author(s):  
Sharaf Al-Deen Waleed AL-Smadi ◽  
Abdalrahman Hammoudah Yousef Alhndawi
Keyword(s):  
Quality Assurance ◽  
Project Management ◽  
Developing Economies ◽  
Construction Sector ◽  
Management Units ◽  
Design Build ◽  
Fair Comparison ◽  
Management Approaches ◽  
Design Bid Build ◽  
Good Vision

The continual need for building in developing economies and countries such as Jordan increases the obstacles and problems faced by Project Management Units in completing projects on time, with quality assurance, and at lower prices. However, as more and more new types of project management approaches such as (Design-Bid DB) are introduced, the binding conditions of contracts are growing tougher in order to reduce risks during project execution. In this paper, the researcher tries to provide a fair comparison between (Design-Bid-Build DBB) and (Design-Build DB) approaches which are already used in the construction project in Jordan and offering a good vision for both owners and contractors equally

Energy Efficiency in French Social Housing Renovations via Design-Build-Maintain

2014 ◽  
Vol 39 (2) ◽  
pp. 48-56
Author(s):  
Tadeo Baldiri Salcedo Rahola ◽  
Ad Straub ◽  
Angela Ruiz Lázaro ◽  
Yves Galiègue
Keyword(s):  
Social Housing ◽  
Energy Savings ◽  
High Energy ◽  
Substantial Improvement ◽  
Building Stock ◽  
Delivery Methods ◽  
Existing Building ◽  
Design Build ◽  
Bonuses And Penalties ◽  
Design Bid Build

The renovation of existing building stock is seen as one the most practical ways to achieve the high energy savings targets for the built environment defined by European authorities. In France, the Grenelle environmental legislation addresses the need to renovate the building stock and specifically stresses the key role of social housing organisations. In recent years, French procurement rules have been modified in order to allow social housing organisations to make use of integrated contracts such as Design-Build-Maintain. These contracts have a greater potential to deliver energy savings in renovation projects than do traditional project delivery methods, like Design-bid-Build. This is because they facilitate collaboration between the various actors and boost their commitment to the achievement of project goals. In order to evaluate the estimated potential of such contracts to achieve energy savings, two renovation projects (carried out by two French social housing organisations) were analysed from their inception until the end of construction work. The analysis is based on written tender documents, technical evaluation reports, observations of the negotiation phase (in one of the cases) and interviews with the main actors involved. Findings show that Design-Build-Maintain contracts do indeed offer substantial energy savings. Both projects achieved higher energy targets than those initially required. Furthermore, the energy results are guaranteed by the contractor, through a system of bonuses and penalties. Other results demonstrate that, compared to previous Design-bid-Build renovation projects, these projects were completed in less time (from project inception to completion of the work) and at virtually the same cost. There has also been a substantial improvement in cooperation between the actors involved.

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