About Optimar Precon
Optimar Precon is a trusted preconstruction services provider delivering accurate cost estimation, construction takeoffs, BIM, and CAD services. Backed by 29+ years of group experience, we help contractors, developers, and architects plan smarter, reduce risk, and improve project outcomes.
BIM Directory
[edit] Building Information Modelling (BIM)
[edit] Information Requirements
Employer's Information Requirements (EIR)
Organisational Information Requirements (OIR)
Asset Information Requirements (AIR)
[edit] Information Models
Project Information Model (PIM)
[edit] Collaborative Practices
Industry Foundation Classes (IFC)





