NYC 9/11 Public Portal Document
•2.7 • Mechanical Exhaust System Visual Inspection Form Page 1 of 1
M'ec h arucalExhaustS' tem Id ent cation:
Location: Area Served:
Associated mechanical room: clean Y N Y N
stored chemicals/refuse Y N
Surface Component
System Components Dust/ WTC not
4present
[NOTE; if component not present (NP), not found (NY) or inaccessible_ (I) please Debris Dust
Indicate In last column) Present? Present? not
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y L N (explain):
7
louvers, grates
' and/or screens / Al
outside air duct
A)
outside air damper(s)
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 1-0 No. locations
inspected_
Specify type (circle): eta_ fibrous class lined metal
flex-duct we1)d'
masonry fibrous class board 7 Al
t,.. v
U
Accessible turning vanes Est. total No. locations ins ected NP
Exhaust au rilles Est. total No. locations ins ected . 0
Other (specify): '—
Other Information:
General impression (indicate recommendations for cleaning based on finding of WVTC
dust):
( KEY: NP = not prese = not found; I = inaccessible; U = unknown
NYC-WTC 000133646
OCR can misread numbers and units. Confirm readings against the page image before using them.