Engineering designing The concept and design stages Automation and centralization of control of engineering systems of a building Integration of low-voltage complete devices into a control system “Smart House” System “Smart House” System “Multiroom” External and internal electrical supply External electrical supply External networks of illumination Internal networks of an electric equipment and illumination No-break power system Lightning protection and grounding Snow melting and antiicings system Security systems Integrated security system Security alarm system CCTV Access control system Gas-concentration control system Automated parking Fire protection systems Fire alarm system Fire-prevention automatic and firefighting system Voice alarm and control of evacuation at fire Smoke removal system Networks and communication systems, television Structured cabling system (SCS) Local area network (LAN) Office automatic telephone station Interactive, satellite and terrestrial broadcasting Audio/video conferencing system Background music system (BGM) Intercom system Time system