NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Page 1 of]
Mechanical Exhaust System Identification: A srz, g..,'r A per—_ Fort A, '_Fit, art
Location: p Area Served:
Associated mechanical room: clean Y N dry Y stored chemicals!refuse
N Y N
Surface Component
System Components Dust/ W7C not
INOTTh.if component iibt present (NP), not found (NF) or inaccessible (I) please Debris Dust present
Indicate in last column] Present? Present? not
found
Inaccessible
Exhaust air outlet: L ation:
Accessible for inspection?
P V N (explain):
. •
L
louv~ s, grates and/or screens N
outside air duct
outside air damper(s) (Ip
Exhaust fan unit:
blower assembly inci. blower wheel, housing, air vanes, in-line noise
N
attenuators
blower housing acoustical lining Nn
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft No. locations
inspected I
Specify type (circle): metal fibrous Blass lined metal masonry fibrous class board
flex-duct wood
Accessible in-line fire dampers Est. total gty No. locations inspected p
Accessible turning vanes Est. total gty No. locations inspected p
Exhaust air grilles Est. total gty No. locations inspected ,j p
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133961
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