NYC 9/11 Public Portal Document
2.2 - Mechanical Exhaust System Visual
Inspection Form I of 1
Mechanical Exhaust System Identification:
Location: n Area Served:
Associated mechanical room: clean Y N dry Y N stored chemicals/refuse Y
System Components Surface Component
[NOTE: if component not present (NP), not found (NF) or WTC I i; not
inaccessible (I) please Debris Dust
indicate in last column] present
Present? Present? not
found
4
Exhaust air outlet: Location:
Accessible for inspection? Y_ N (explain):
louvers, grates and/or screens
Y
outside air duct
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line
noise
attenuators
blower housing acoustical lining
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft t .() No. locations
inspected ___
Specify type (circle): meta fibrous glass lined metal masonry fibrous glass
board
flex-duct wood
Accessible in-line fire dampers Est. total qty l2 No locations inspected
Accessible turning vanes Est. total qty No locations inspected
Exhaust air grilles Est. total qty y2 No. locations inspected p
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning
based on finding of WTC dust):
KEY: NP = not NF = not found; I = inaccessible: IT =
NYC-WTC 000133781
OCR can misread numbers and units. Confirm readings against the page image before using them.