Mainsystems
Mainsystems refers to the primary infrastructure networks that supply essential services to a building or site. They include energy supply, water, gas, climate control, waste removal, and communications infrastructure, as well as the physical routes and enclosures that carry these services. The term is used in building services engineering, facility management, and utility planning.
Key components are electrical mains and distribution, water supply mains and distribution, gas mains, heating, ventilation
In design, mainsystems are planned for reliability, safety, and efficiency, with attention to load requirements, redundancy,
Operation and maintenance involve regular inspections, leak and fault detection, valve isolation, calibration, and documentation. As-built
The use of the term and the exact scope of mainsystems can vary by country and industry.