ITU-T Recommendations

This Supplement describes the various infrastructures for a smart sustainable city in a new-development area. The designated infrastructure in this document includes: common physical infrastructure highlighting ICT, ducted and trenched infrastructure below ground, over ground common physical infrastructure, common risers in buildings, etc. The following issues are considered: safety, maintenance, lifecycle including possible obsolescence, flexibility points, scalability and growth. Examples are included of best practices for physical infrastructure including opportunities for sharing service paths below and above ground, such as conduits.

It is not intended to address rehabilitation schemes such as upgrade of existing buildings. The focus is on establishing principles with outline rather than detailed dimensions.