Dimension

Indicators

No. of items

Cronbach Alpha

Contractor prequalification selection criteria

Financial stability evaluation

6

0.953

Management and technical ability evaluation

Contractor’s experience evaluation

Contractor’s past performance

Plant and human resources evaluation

Health and safety and environmental measures

Multi-criteria methods

Multi-criteria utility theory (MUT)

6

0.924

Complex Proportional Assessment (COPRAS)

Evidential Reasoning (ER)

Analytic Network Process (ANP)

Program Evaluation and Review Technique (PERT) approach

Fuzzy Set Theory (FST)

Benefits

Facilitate the achievement of project success and the objectives within the scheduled time

6

0.980

Reduce the associated project risk during the bidding and the construction processes

Maximize overall value to the project owner or client

Enable the client or project owner to select contractors who are performers for the project

Minimize the possibility of contractor default

Save the project owner a lot of time

Challenges

Removal of effective and competent contractors

9

0.923

It leads to projects failure in terms of time delay

Poor quality standard

Some of the criteria are very complex and difficult to apply in practice

Excessive cost and time overrun

Substandard work

Imprecise assessments due to lack of information

Shortcomings in expertise in the application method

Disputes among contractors and clients