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CIC BIM Standards for Underground Utilities (Version 2 – 2021)

This Standards (Version 2 – 2021) supersedes the previous publication (August 2019). 

This CIC BIM Standards for Underground Utilities was to be read in conjunction with the CIC BIM Standards General Version 2.1 – 2021, which contains major enhancements to align with ISO 19650’s Information Management principles, workflows and requirements, also providing Hong Kong Local Annex of ISO 19650-2:2018


This BIM Standards is focused on LOIN which is software neutral. The LOIN framework and approach set out in this BIM Standards apply to the UU discipline.


Please find the LOD Responsibility Matrix at Link.