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HVAC consulting services invoice, NYC WTC site, 2003

Machine-extracted title · confidence 95%

Invoice for HVAC consulting services provided at the World Trade Center site in 2003.

NYC-WTC_000135339–000135553
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Scanned page image, NYC-WTC_000135342
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NYC 9/11 Public Portal Document _ A n•.-T. A/TYTARTT►T.T.a AT tY)AT1Tf1 a st — a-I a.~...- they Information: Uyv+ • Unit cycled pnorto inspection . Color, of dust/dirt/debris .. 'Filter loading (general impression) ' . Water damage • ilter bypass (describe) 'Visible stispect mold growth Abraded/delaminatedacoustical lining • Evidence, of animal.incursion (carcasses, feathers, fecal matter General mpression: •

2.2 Fan•coWUheat pump units in common spaces - •

Ventilation System Identification: Location: Access adequate for inspection of components: Dust/Din/Debris Suspectti%7C-Related Dust System Component None Light Heavy Present?, Estimate % of total dust Substrate Material (<1/16 inch (2 1/16 inch (Y/N) ' loading (sheet metal 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 ' Supply air.plenum • '. Supply air diffuser •

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 Abraded'delarninated acoustical lining fl Evidence o animal incursion (carcasses, feathers, fecal matter) •• General impression: • • •

2.3 Central ventilation systems

Ventilation System Identification: .

Location: n Area Served: A-S &tom Mechanical room: clean Y N. drLLV N stored chemicals/refuse Y Access adequate for inspection of components: A'Uintexior surfaces are visibly accessible: . .

NYC-WTC 000135342

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NYC-WTC_000135342Source: NYC Law Department, mirrored locally

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