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Document / 215 pages

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 'Y"T" A /•IYTA N. YS • AG• ttfATVP I. p — V\IVa wr v vS .

other nformation: • Unit cycled priorto inspection . Color, of dust/din/debris .. Filter loading (general impression) • .. : •• • Water damage •'

flier bypass (describe) 'Visible suspect mold growth Abraded/delarninatedscoustics} lining Evidence. of a nixnal,incursioti (carcasses, feathers, fecal matter General mpression: •

2.2 ' Fan •coil!seat 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 Light Heavy Present?, Estimate % of total dust Substrate Material' ' (<1/16 inch (21/16 inch (YIN) • (sheet metal wrapped) loading depth) depth System Components !sheet inetal'lined) (fiberglass) (flexible connector) (double walled) • Return air grille • Return air plenum . Filter rack ' Filter media slower 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 Evidence of animal incursion (carcasses, feathers, fecal matter) General Impression: -

2.3 Central ventilation systems

Ventilation System Identification: . ~•r 2 Ai L tjA QC• tz M 5•r-, -r /tf r/S Location: Area Served: ~A•S Mechanical room: clean Y N. dry N stored chemicals/refuse t Y Access adequate for inspection of components: • AU interior surfaces are visibly accessible: ' . .

NYC-WTC 000135342

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NYC-WTC_000135342Source: NYC Law Department, mirrored locally

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