NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Page I of I
Mechanical Exhaust System Identification: L
Location: Area Served: -
Associated mechanical room: clean Y N dry Y N
stored chemicals/refuse Y N
• Surface Component
System Components Dust/ WTC not
[NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate In last column] Present? Present?
4 not
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y / N (explain):
louvers, grates and/or screens
outside air duct A)
outside air damper(s) )
Exhaust fan unit:
. .blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators — "N
blower housing acoustical lining Al
vibration collars -
S N O
Exhaust air distribution:
Exhaust air ducts Est total In ft 12.Q No. locations
inspected {
s
Specify type (circle): metal fibrous glass lined metal masonry fibrous class board (t!
flex-duct woo
Accessible in-line fire dam ers Est. total If No. locations ins ected
Accessible turning vanes Est. total gty No. locations inspected W(?
Exhaust air illes Est. total t No. locations ins ected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of \VTC dust):
M frc Ut ,5 i
KFV: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133758
OCR can misread numbers and units. Confirm readings against the page image before using them.