NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Tnsnectinn Fnrm vnno , ..c 1
I V{ 1
Mechanical Exhaust System Identification: G
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? not
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y J 1N (explain):
Iouv& s, grates and/or screens .
outside air duct
outside air damper(s)
Exhaust fan unit:
blower assembly inci. blower wheel, housing, air vanes, in-line noise
attenuators T
blower housing acoustical lining nJ
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft .4--t 0 No. locations
inspected
Specify type (circle): 0et fibrous class lined metal
flex-duct wood
masonry fibrous class board
Y iv
Accessible in-line fire dampers Est. total gty No. Iocations inspected A),
Accessible turning vanes Est. total gty No. locations inspected Nn
Exhaust air grilles Est. total gty No. locations inspected 0
j
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of NNTC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132795
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