Air duct cleaning inspection report, 75-79 [name], November 2002

NYC 9/11 Public Portal Document riii — ..v~ a. wx: t r vtvl_ ther.linforrnation:

9 Uru yc ed prior to inspection' -FjItq loading (general impression) t ter bypass (descnbe) .- .

.1 Color. of dust/dirt/debris' Water;damage Visible'suspect tndldgrowth . •

Aiiradedfdelanunatedacnustical lining Eyiden,e. Of amxnal:incitrsiori (carcasses, feathers, Yecal matter General Impress on:

2.2 Fan 'coil!hheat pump units In common spaces

Ventilationsystem Identification: •

Location: . Access adequate for inspection of components:

Dust/Djr•t/DebrIs •Suspect R' C-}te ated Dust System Component None " ' I:ig t iieav>+ Present?: Sstimate % of total dust Substrate>`iaterial' • (El/l6 inch (Z l/16 inch .(Y/fv) loading • (sheet riretal wrapped) • . . ' depth) depth System'Components (sheet metal lined) (fiberglass)' - ' (flexible connector) . (double walled) • . Return air grille Return .air 'plenum ' Filter.rack • . Filter media Blower assembly ' Thermal coils uppiy'air plenum . . . . .. . ... . • •

Supply air diffuser' • . Other Information: - Unit cycled prior to inspection Color of Dust/DirilDebris Filter loading (general impression) • Water damage Filter bypass (describe) . Visible suspect mold growth' • O Abraded/delaminated acoustical lining Evider}ee• of animal incursion (carcasses, feathers, fecal matter) GeneraIlmpresslon: '

23 : Central ventilation systems

Ventilation System Identification: .

Location: ' • Area Served: . Mechanical room: clean Y N.dry . Y N stored chemicals/ref ise -. Y N Access adequate foi• inspection of components: . ' AHU interior surfaces are visibly accessible ' .