NYC 9/11 Public Portal Document
2.1.
Central Ventilation System Visual Inspection Form
System Components
INOTE: it component not present (NP), not found (NF) or inaccessible (1) please
indicate in last column]
Other (specify):
Surface
Dust/
Debris
Present?
Page 2 of 2•
Component
WTC
•not present
Dust
Present?
• not found
•inaccessible
Other Information:
Filter loading (light, moderate, heavy):_HEAvy
• Abraded/delaminated acoustical lining
L Filter bypass (describe)
General impression (indicate recommendations for cleaning based on finding of WTC dust):
- WTC RELATED DUST WAS OBSERNED IN THE SYSTEM.
- HEArY ACCUMULATION OF WTC RELATED DUST WAS OBSERED
IN THE COMPONENTS OF AIRHANDLiNG ONIT.
_ QLEANiNG iS REGUIRED FOR WIC RELATED DUST, THE
ENTIRE SYSTEM MUST BE CLEANED.
- MAINTENANCE CONCERNI FIRE DAMPERA CONSTRUCTION DEBRI, CARDBOARO
FOUND TO BE LAYING ON THE TURNING VANE ON THE MAIN PISER, ON
THE INdELDOR.
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC_000116351
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000116351Source: NYC Law Department, mirrored locally
An HVAC inspection report from Cole Consulting Corporation dated February 13, 2003, recommending cleaning of units at 275 Greenwich Street due to WTC dust.