NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual knsnectinn Form patio 7 ,.f 1
Mechanical Exhaust System Identification:
Location: • Area Served:
Associated mechanical room: clean Y N dry Y stored chemicals!refuse
N Y N
Surface Component
System Components Dust! \1?C i; not
(NOTE:.if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present
Indicate In last column) Present? Present? not
k
found
F
inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y1 N (explain):
louvi)s, grates and/or screens
outside air duct N
outside air damper(s) N
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise v o
attenuators
blower housin acoustical lining N
vibration collars N0
Exhaust air distribution:
Exhaust air ducts Est total in ft 6) No. locations
inspecteii (_
Specify type (circle): met fibrous class lined metal masonry fibrous class board
ex-duct wood
Accessible in-line fire dampers Est. total gty No. locations inspected T
Accessible turning vanes Est. total gty No. lo:ati'n_ inspected ,V 9
Exhaust air illes Est. total ty 7 No. locations ins ected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of \VTC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133938
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