ITU‐T's Technical Reports and Specifications 385 Table of Contents Page 1 Introduction ........................................................................................................... 388 2 Scope ...................................................................................................................... 388 3 SSC Utility Service Requirements ............................................................................ 389 3.1 Opportunities for Infrastructure Sharing in Central City Locations ............... 393 3.2 Growth, Maintenance and Upgrade in New Build Situations ........................ 409 3.3 Lifecycle and obsolescence ............................................................................ 410 4 Smart Sustainable Building Utility Services ............................................................. 411 4.1 Opportunities for sharing risers (e.g., inside or alongside buildings) ............ 411 4.2 Smart Sustainable Building Service Requirements ........................................ 411 5 Opportunities for sharing infrastructure at street level .......................................... 414 6 Opportunities for ICT to support other utilities ....................................................... 414 7 Opportunities for sharing the Application Platform ................................................ 415 Annex A Glossary and list of abbreviations ..................................................................... 417 Appendix I Bibliography ................................................................................................. 418