NYC 9/11 Public Portal Document
2.1
Central Ventilation System Visual Inspection Form
System Components
NOTE: if component not present (NP), not found (NF) or inaccessible (D) please
indicate in last column]
Other (specify):
Surface
Dust/
Debris
Present?
Page 2 of 2
Component
WIC
• not present
Dust
Present?
• not found
L• lnaccessibh
Other Information:
Filter loading (light, moderate, heavy):_ HEAv
• Abraded/delaminated acoustical lining
• Filter bypass (describe)
General impression (indicate recommendations for eleaning based on finding of WTC dust):
- WTC RELATED DUST WAS OBSERNED IN THE SYSTEM.
- HEArY ACCUMULATION OF WTC RELATED DUST WAS OBSERUED
IN THE COMPONENTS OT AIRHARDLiNG UNIT.
_ CLEANiNG iS REGUIRED FOR WIE RELATED DUST, THE
ENTIRE SYSTEM MUST BE CLEANED.
- MAINTENANCE CONGERNI FIRE DAMPERY CONSTRUCTION DEBRI, CARDBOARD
FOUND TO BE LAYING ON THE TURNING VANE ON THE MAIN PISER, ON
THE SMAFLDOR.
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC_000116197
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000116197Source: NYC Law Department, mirrored locally