NYC 9/11 Public Portal Document
• 2.7' • Mechanical Exhaust System Visual Inspection Form
,1,,., • Pale 1 of 1
Location:' Area Served:
as —
Associated mechanical room: clean Y N dry Y N stored chemicals/refuse Y N
System Components Surface ComP onent
Dust/ NNTC not
)NOTE: if component not present (NP), not found (NF) or inaccessible (1) please
Debris Dust present
indicate in last column) Present? Present? not
found
Exhaust air outlet: inaccessible
Location:
Accessible for inspection? Y_/ ' N (explain):
J
louvers, grates and/or screens
outside air duct
outside air damper(s) —N ~--=
Exhaust fan unit:
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 ft_, c~ --~ No. locations
inspected I
Specify type (circle): metal fibrous class lined metal masonry fibrous class board
flea-duct Wood
Accessible turning vanes Est. total No. locations inspected
Exhaust air grilles NP
Est. total gty No. locations inspected
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 000113714
OCR can misread numbers and units. Confirm readings against the page image before using them.