li>Knowledge of non-mechanical & electrical systems including: concrete, masonry, steel (interior/exterior walls & framing); cabinetry & casework (concrete & cabinetry); roofing (flat low-sloped & sloped); doors, windows, glass (wood, metal & aluminum); finishes and specialties (floor, walls, ceiling, finishes & accessories); storm water management; conveying systems (elevators, dumbwaiters, lifts); athletic facilities (exterior fields, track, tennis courts, bleachers, etc.); paving/site work (concrete, sidewalks, asphalt, gravel, bus & parking lots); playgrounds. Comprehensive technical and systems knowledge specific to achieving efficient operations, proactive planned maintenance and sustainment of the district's physical assets and especially mechanical and electrical systems: HVAC (chillers, boilers & outside air units), electrical (wiring & components, fire alarms, etc.); fire protection (sprinkler systems); plumbing (piping & fixtures); thermal & moisture (insulation & air moisture barriers).