HVAC ventilation system inspection checklist guidance, Dec 2002

NYC 9/11 Public Portal Document

23 M,echanical Make-up Air System Visual Inspection Form Page 1 of 2 Mechanical Make-up Air System Identification;

Location: Area Served:

Associated mechanical room: clean Y N dry Y N stored chemicals/refiise Y N Surface Component System Components (if component not present, not found or inaccessible please Dust/ WTC • not present indicate) Debris Dust • not found Present? Present? • inaccessible Outside air intake: Location:

Accessible for inspection? Y N (explain):

- louvers, grates and/or screens - outside air duct - outside air damper(s) Make-up air handling unit: - outside air mixing chamber - filter rack(s) - filter media - blower assembly inch blower wheel, blower housing, air vanes, in-line noise attenuators - blower housing acoustical lining - pre-heat coils - heating coils - cooling coils - re-heat coils - condensate drain pan - supply air plenum - supply air plenum damper(s) - vibration collars Make-up air distribution: - Make-up air ducts Est.Total In ft No. locations inspected Specify type (circle): metal fibrous glass lined metal masonry fibrous glass board flex-duct wood - Accessible in-line fire dampers EsL total qty No. locations inspected - Accessible turning vanes Est. total qty No. locations inspected - In-line reheat/cooling coils Est. total qty No. locations inspected - Supply air diffusers Est. total qty No. locations inspected Other (specify):

Other Information: Filter loading (light, moderate, heavy): EH Abraded/delaminated acoustical lining O Filter bypass (describe)

NYC-WTC_000162677