Summary
Provide mechanically cleaning all supply and return ductwork connected to two (2) air handling units (ahus), covering all areas of the facility except the bay areas; inspect hvac systems, ductwork, vents, registers, returns, and accessible components; identify any damaged, disconnected, or inaccessible duct sections;document pre-existing conditions before beginning work;coordinate with fire station staff regarding access, scheduling, and operational limitation; clean all accessible supply and return air ducts; clean registers, grilles, diffusers, and vent covers; remove dust, dirt, debris, soot, lint, allergens, and other accumulated contaminants; use negative air pressure equipment, hepa filtration, agitation devices, brushes, air whips, or equivalent professional duct cleaning methods. See attached file.