Ghadamsi and Braimah (2016) |
|
Mixed methodology (semi-structured survey and literature review) |
To assess how the DBB procurement selection criterion affects the success of the programme in Libya |
DBB |
The project performance criteria (time, cost and quality) are impacted by 11 of the 12 selection criteria |
Ebenezer (2020) |
350 |
Quantitative survey conducted by experts in construction |
To examine how Nigerian construction industry specialists view the performance quality of DB and DBB |
DBB and DB |
In terms of performance quality, DB performs better than DBB |
Abou Chakra and Ashi (2019) |
102 projects |
Survey questionnaire |
To compare Lebanon’s DBB and DB project delivery methods |
DBB and DB |
The DBB programmes perform effectively in terms of timeliness, security and ongoing inspection. The database projects, on the other hand, function better in terms of cost, communication, risk mitigation and material storage |
Peng and Kim (2022) |
55 projects |
Interviews that are semi-structured |
To compare DMC with DBB in terms of building intensity, time, and cost |
DMC and DBB |
DMC outperforms DBB in terms of construction performance, time and cost. |
Yu et al. (2016) |
|
Review of the literature to develop a framework for assessing performance quality |
To assess the effectiveness of the DBB delivery mechanism in addition to the DB quality |
DBB and DB |
|
Lu et al. (2017) |
144 |
Questionnaire survey |
To evaluate the factors that affect database and DBB application cost performance overruns |
DBB and DB |
The DBB project delivery technique is heavily influenced by the owner’s ability, which might result in cost overruns |
AL-Smadi and Hndawi (2021) |
|
Literature review |
To compare the project delivery approaches of DBB and DB in the Jordanian construction sector |
DB and DBB |
DB projects are a good way for the Jordanian construction sector to reduce risk |
Calahorra-Jimenez et al. (2020) |
41 professionals |
Interview survey and literature review |
To assess the reasons for cost overruns throughout DBB’s project phase |
DBB project |
Four elements have been identified as having the potential to lower cost overruns: accountability, goal-oriented selection process, efficient information interchange, and incorporation of the contractor’s experience in the procurement phase. |
Ogechi (2017) |
Four case studies |
Research based on case study |
To compare the DBB and DB projects’ project-party relationships |
DBB and DB |
Compared to DBB projects, DB projects have stronger links throughout the project supplier chain |
Edward et al. (2013) |
Secondary data from the Florida Department of Transportation |
Quantitative research |
To evaluate project delivery strategies in Florida based on their shortest duration and least expensive |
DBB and DB |
Programmes using DBB work well in terms of cost, whereas programmes using DB work better in terms of time |