NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual
Mechanical Exhaust S stem Identification:
Inspection Form
Page I of I
Location:
Il f 3p. Area Served:
Associated mechanical room: clean Y N dry Y N
stored chemicals/refuse Y N
System Components Surface Component
[NOTE: if component not present (NP), not DustJ WTC C; not
found (NF) or inaccessible (I) please Debris
indicate in last column) Dust present
Present? Present? not
found
Exhaust air outlet: Location: inaccessible
Accessible for inspection? Y V N (explain):
louvers, grates and!or screens
outside air duct
7 IV
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel, housing,
air vanes, in-line noise
attenuators tl
blower housing acoustical lining
N
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft_ /2J No. locations
inspected
Specify type (circle): etal fibrous glass lined metal
flex -duct «ood
masonry fibrous class board
Y M
Accessible in-line fire dam ers Est. total No. locations ins ected i
Accessible turning vanes Est. total gty No. locations inspected
Exhaust air grilles Est. total gty 1`'0. locations inspected i
Other (specify):
Other Information:
General impression (indicate
recommendations for cleaning based on finding of NN'TC
dust):
LKEY: int ress~ NF = not found; I = inaccessible; U =
unknown
NYC-WTC 000133649
OCR can misread numbers and units. Confirm readings against the page image before using them.