NYC 9/11 Public Portal Document
2.2 • Mechanical Exhaust System Visual
Inspection Form
Mechanical Exhaust System Identification: e I of I
Location:
Area Served:
Associated mechanical room: clean Y N dry Y ?t'
stored chemicals'refuse Y
System Components Surface Component
]NOTE: if component not present (1P), not found Dusti W;'?C I[
(NF) or inaccessible (I) please not
indicate in Iast column] Debris Dust Ipresent
Present? Present? I c not
found
Exhaust air outlet: Location:
Accessible for inspection? Y ✓ 1; (explain):
lou%?ers, grates and'or screens
tN
outside air duct S.
outside air damper(s)
Exhaust fan unit: N
blower assembly incl. blower wheel, housing. air vanes,
in-line noise
attenuators
blower housing acoustical lining
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft21 O No. locations
inspected (
Specify type (circle): meta! ~t+ious class tined metal mss>nry fibrous cJass board
ex-duct 14 IV
Accessible in-line fire dampers Est. total qty tI To locations inspected
:Accessible turning vanes Est total guy No locations inspected
Exhaust air grilles Est. total g ' No. locations inspected
Other (specify):
Other Information:
Geii:-rul iriprt:ssit:n (indicate recumin ndations for cleaning
based on finding of WWTC dust):
ND L?..) C tuSi ICQWn/t3 .
LEY: NP = not present; NF = not found: I = inaccessible; U =
unknown
NYC-WTC 000134624
OCR can misread numbers and units. Confirm readings against the page image before using them.