NYC 9/11 Public Portal Document
2.2 , Mechanical Exhaust System Visual Inspection Form
Mechanical Exhaust System Identification: I of 1
-- Location:
F— 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 Dust/ WTC 1;
(NF) or inaccessible (I) please not
indicate in last column] Debris Dust present
Present? Present? I not
found
4
Exhaust air outlet: Location:
Accessible for inspection? Y /N (explain):
louvers, -rates and/or screens
outside air duct
outside air damner(s)
unit:
F
blower assembly incl. blower wheel, housing, air vanes,
in-line noise
uators
blower housine acoustical Iinin
vibration collars
Exh~aust istribution:
ducts Est total In ft Q No. locations
yype (circle): metal fibrous glass lined metal
flex-duct wood
masonry _fibrous glass board
YH
Accessible in-line fire dampers Est. total 9ty &. No. locations inspected t
Accessible turning vanes Est. total gty No. locations inspected
Exhaust air grilles Est. total gty 1`2- No. locations inspected 1
Other (specify):
Other Information:
General impression (indicate recommendations for
cleaning based on finding of %TC dust):
KEY: NP = NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133779
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