“…1-Insufficient knowledge on BIM enforcement systems in the senior executives. CR1 (Kaneta et al, 2017) 2-Lack of sufficient research projects on BIM CR2 (Zhao et al, 2017) 3-Lack of experts in the field of BIM CR3 (Krivonogov et al, 2018;Migilinskas et al, 2013;Pavlovskis et al, 2017;Migilinskas et al, 2017) 4-Lack of BIM training centers CR4 (Krivonogov et al, 2018) 5-Incompatibility of the existing software and hardware with BIM software system CR5 (Mirarchi et al, 2018) 6-Lack of proper training programs for the personnel to become familiar with BIM CR6 (Krivonogov et al, 2018;Garyaeva, 2018) Technical 7-Insufficient information on BIM among the private sector CR7 (Kaneta et al, 2017) 8 Timing 15-Lack of time to implement BIM CR15 (Kaneta et al, 2017) A professional questionnaire (see supplementary information) was elaborated based on these criteria and then employed to assist in collecting the opinion of a target expert group. The expert group was carefully selected by inviting experts in the field, with excellent academic and/or practical experience in the field of BIM.…”