---

Since, Design-Bid-Build (DBB) was the most popular project delivery method at the beginning of previous decade regardless of all its shortcomings, applying new advanced tools can compensate disadvantages of this method. Recently, advanced technology in construction management called Building Information Modeling (BIM) became popular among construction industry. Although, effects of BIM on different aspects of alternative project delivery methods were considered in literature, but adequate efforts on evaluating BIM application in DBB projects have not performed yet. This research aims to investigate effects of using BIM in DBB projects. For this reason, a questionnaire survey was conducted among construction industry practitioners in Iran to evaluate their opinions about using BIM in DBB projects. To assess reliability of questionnaire survey results, a single case was studied to compare cost and time of DBB projects in case of using BIM with real project which was executed without using BIM.

---

Navid Sanei Sistani graduated in Civil Engineering in 2009. During 2008 to 2011 he had experienced working in construction industry in different positions. By starting Master Degree in Construction Management in 2011, he had begun to research about Building Information Modeling which led to publishing 5 papers and finalized by this study in 2013.

---