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HVAC Component Inspection Checklist, WTC Dust, Oct 2001

Machine-extracted title · confidence 95%

Checklist for assessing dust loading and damage on specific HVAC components like fan coils and ducts during World Trade Center evaluations.

NYC-WTC_000140478

Folder label: “SCOPES OF WORK IN DOOR AIR & CLEANING

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Scanned page image, NYC-WTC_000140478
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NYC 9/11 Public Portal Document

Ojher Information:_________________ r Unit cycled prior to inspection______ Color of dust/dirt/debris______________________________ Q Filter loading (general impression) Water damage Q Filter bypass (describe) Visible suspect mold growth Abraded/delaminated acoustical lining Evidence of animal incursion (carcasses, feathers, fecal matter General Impression:

2J Fan coil/ heat pump units in common spaces

Ventilation System Identification: Location: Access adequate for inspection of components: Dust/Dlrt/Pebris I Suspect WTC-Related Dust System Component None Light HMvy Present? Estimate % of total dust Substrate Material (<1/16 inch (^ 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 i Supply air plenum Supply air diffuser Other Information:

s fi n Unit cycled prior to inspection Color of Dust/Dirt/Debris________________________ Filter loading (general impression) Water damage Filter bypass (describe) Abraded/delaminated acoustical lining 0 Visible suspect mold growth_____________________ Evidence of animal incursion (carcasses, feathers, fecal matter) General Impression:

2J Central ventilation systems

Ventilation System Identification:

Location: Area Served: Mechanical room: clean Y N dry Y N stored chemicals/refuse Y N Access adequate for inspection of components: ~ AHU interior surfaces are visibly accessible:

r

NYC-WTC_000140478

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NYC-WTC_000140478Source: NYC Law Department, mirrored locally

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