NYC 9/11 Public Portal Document
.2.2 Mechanical Exhaust System Visual
,Mechanical Exhaust System Identification:
Inspection Form
Page 1 of I
Location:
V~ Area Served:
Associated mechanical room: clean Y N dry Y N stored chemicals/refuse y
System Components Component
(NOTE: if component not present (NP), not WTC not
found (NF) or inaccessible (1) please
indicate in last column) 7Deb Dust present
Present? not
found
4
Exhaust air outlet: Location: Inaccessible
rA 70
Accessible for inspection? Y V N (explain):
louvers, grates and/or screens
outside air duct
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel,
housing, air vanes, in-line noise
attenuators
N
blower housing acoustical lining
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft 1
No. locations
inspected
r
Specify type (circle): metal fi brous glass lined metal masonry fibrous class board
ex-duct wood
Accessible in-line fire dampers Est total qty I No locations inspected
Accessible turning vanes Est. total No. locations ins ected
Exhaust air grilles Est. total No. locations inspected
Other (specify):
Other Information:
General impression (indicate
recommendations for cleaning based on finding of
NN'TC dust):
I:EY: NP =not rose NF = not found; I = inaccessible; U =
unknown
NYC-WTC 000133656
OCR can misread numbers and units. Confirm readings against the page image before using them.