NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection
•Mechanical Exhaust System Identification: Form I of I
Location:
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 found (NF) or DusV WTC E not
indicate in last column) inaccessible (I) please Debris Dust present
Present? Present? not
4
found
Exhaust air outlet: Location: Inaccessible
Accessible for inspection? Y
louvers, grates and/or screens
:
Y
p
outside air duct
outside air damper(s)
unit:
blower assembly Incl. blower wheel, housing, air vanes, in-line
uators noise
Al
blower housing acoustical lining
vibration collars N
Exhaust istribution:
ducts Est total In fi t 2-4..) No. locations
l t
(circle): metal fibrous glass lined metal
flex -duct wood
masonry fibrous class board
Y A
Accessible in-line fire dampers Est. total
12. No. locations inspected Q
Accessible turnins vanes Est. total qty No. locations inspected
Exhaust air grilles Est. total gty i2 No. locations inspected 0
Other (specify):
Other Information:
General impression (indicate recommendations for
cleaning based on finding of WTC dust):
II
KEY: NP = not present; NF = not found; I =
inaccessible; U= unknown
NYC-WTC 000133657
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