Critical Facilities Systems Scope: Electrical infrastructure: Utility service; medium- and low-voltage distribution; switchgear and switchboards; transformers; automatic transfer switches; standby generators and fuel systems; UPS systems, batteries, and energy-storage systems; PDUs; RPPs; panelboards; branch circuits; grounding and bonding; EPMS; and associated monitoring and control systems. Mechanical and cooling infrastructure: Chillers; chilled-water systems; CRAH, CRAC, RTU, and air-handling units; pumps; motors; variable-frequency drives; cooling towers or dry coolers; water treatment; leak detection; environmental controls; and associated piping, valves, and controls.