NYC 9/11 Public Portal Document
2.2 Mechanical Fxhanst Svctem vicnal m rage 1 oT 1
Mechanical Exhaust System Identification: 10
Location: n Area Served:
Associated mechanical room: clean Y N dry Y N
stored chemicals/refuse Y N
System Components Surface Com ponent
Dust/ WTC 4 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
Exhaust air outlet: inaccessible
Location:
Accessible for inspection? Y (explain):
louvers, grates and/or screens
outside air duct
outside air damper(s)
Exhaust fan unit: NP
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
N9
vibration collars
N
Exhaust air distribution:
Exhaust air ducts Est total In ft No. locations
inspected
Specify type (circle): metal fibrous glass lined metal masonry fibrous glass board
flex-duct wood '7'
l
Accessible in-line fire dampers Est. total gty l~ No. locations inspected
Accessible turning vanes Est. total gty No. locations inspected
Exhaust air grilles Nip
Est. total No. locations inspected 0
Other (specify): I
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC
dust):
\J rc Nusr f.tntD I -j Sys rf - C~ tS ~~oMM~..r✓/J~ .
KEY: NP = not present, NF = not found: I = inacceccihlee TT = nnirnnwn
NYC-WTC 000133782
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