NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Page 1 of 1
Mechanical Exhaust System Identification: tEj.,
Location: 'T d ' • Area Served:
Associated mechanical room: clean Y N dry Y N
stored chemicals/refuse Y N
• Surface Component
System Components Dust! WTC l; not
[NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present
Indicate In last column] S Present? Present? not
found
inaccessible
Exhaust air outlet: Location: ..
Accessible for inspection? Y J oc N (explain):
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
attenuaiors
blower housing acoustical lining AI
vibration collars N
Exhaust air distribution:
Exhaust air ducts Est. total In ft ISO No. locations
inspected I _
Specify type (circle): metal fibrous glass lined metal masonry fibrous glass board
flex-duct wood
Pre danmers Est. total atv
y No. lc ' insvect-d !\J P .
Accessible turning vanes Est. total -y No. locations inspected tVP
Exhaust air griUes ' Est. total No. locations inspected a
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 000132792
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