NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form paeo I .,r,
Mechanical Exhaust System Identification: o(
Location: n c
Area Served:
Associated mechanical room: clean Y N dry Y N
stored chemicalslrefuse Y. N
Surface Component
System Components 0
Dust/ %N7C t; not
[NOTE: if component nbt present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate in last column) Present? Present? not
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? YI'N (explain): ~°
L
louvk s, grates and/or screens NP
outside air duct rJ
•
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 p
Exhaust air distribution:
Exhaust air ducts Est total In ft- fSy No. locations
inspected t
Specify type (circle): metal fibrous class lined metal masonry fibrous class board
flex-duct wood
Accessible in-line fire dam ers Est. total t No. locations ins ected
Accessible turning vanes Est. total No. location=_ inspected
Exhaust air illes Est. total No. locations ins ected
Other (specify):
Other Information:
K-idJb
General impression (indicate recommendations for cleaning based on finding of %N'TC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133952
OCR can misread numbers and units. Confirm readings against the page image before using them.