Industrial, Utility, Transportation and Engineering Facilities
- Industrial Facilities – plants and factories, repair bases, warehouse complexes.
- Utility Facilities – boiler plants (heat supply), pumping stations, wastewater treatment facilities, transformer substations, fire depots, garages.
- Mains, intra-area utilities and related structures – water supply and water discharge utilities, heat supply, power supply and gas supply utilities, lighting utilities, data networks.
- Engineering Facilities – intercommunications and telecommunications systems, security and fire alarm systems, automatic fire extinguishing systems, automatic control systems.
- Transport Infrastructure Facilities – filling stations, maintenance stations, car roads, intra-area railway.