HVAC Inspection Report 330 [name], Nov 2002

NYC 9/11 Public Portal Document .. ; ,w .;:.: 2.3 . ¢ ' Central ~enf3latIon sy sterris~(co. ~it})TA• TENT -A' 'SCOPE :OP `WORK -

C

Dust/Dlit/Debris Suspect NYTC-Relate Dust .. . .. Estimate %•of total dust F.: ' loailing S .

System - . Light Heavy •

Component . •• '(<l/16 inch (21/16 inch Present? System Components •' Substrate Material None depth) depth (YIN) • Outside air intake lou%ers, grates and/oracreens Outside air duct Outside air ampdrjs) Return air gnlles' RetuYn airplenum'. Return air plenum damper Return air•ducts 'Turning vanes Mixing chambers • • •

Filter rack(s) ,,• { Filter banks/media Pre-heat coils Cooling coils Re-heat coils Humidifrcation arid/or a1rcleaning • • .equipment Fire dampers - Fire In-linere-heat cons.. •

Acoustical blower housing lining Duct connectors • Blower assein ly including blower . - wheel, blower housing, air vanes, in- .• line noise attenuators, acoustical • treatments (e.g. baffles, duct linings) • Condensate drain pan • • Condensate'accumutator S .

Supply air plenum Supply air'plenutri dampers) . Supply air ducts -High pressure -main trunk -Low•pressure — bfznches Supply plenum Or supply duct • • linings ' Supply.air duct damper(s) • . Supply air diffusers I . ermirla -boxes - Open or ducted passive ventilation shafts) Other Information: Unit cycled prior to inspection ; •

• Color of Dust/Dirt/Debris Filter loading'(general impression) Water damage Filter bypass (describe) • •

Visible suspect mold growth •

Abradeitldclatttinated acoustical lining ' Evidence bf animal incursion (carcasses, feathers, fecal • matter)