Several HASs inside steam plant that provides heat for government buildings in Ottawa, an engineer comes into view and checks gauges (73 ft). CS of him walking along row of machines checking gauges (19 ft). CUs of burners safety door opening and closing (23 ft). Brief shot of dials and control panel (2 ft). LAS of air duct, TILT DOWN and DOLLY SHOT inside steam plant (27 ft). Exterior LAS of smokestack of steam plant (6 ft).