NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Insbection Form Pane 1 f1
Mechanical Exhaust System Identification: t•
Location: Area Served:
c~ f.
Associated mechanical room: clean Y N diy Y N stored chemicals!refuse Y N
Surface Component
System Components Dust/ WTC not
[NOTE:.if component'iiot present (NP), not found (NF) or inaccessible (I) please Debris Dust present
Indicate in last column] Present? Present?
4 not
found
Inaccessible
Exhaust air outlet: Lo ation:
Accessible for inspection? Y / Ni (explain): /
louv~' s, grates and/or screens
outside air duct ^/
outside air damper(s) It,J
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
vibration collars nj
Exhaust air distribution:
Exhaust air ducts Est total In ft ,117 No. locations
inspected___________
Specify type (circle): met fibrous glass lined metal masonry fibrous class board N
flex-duct wood
Accessible in-line fire dam ers Est. total ty No. locations ins ected a!
Accessible turning vanes Est. total No. location_ inspected (JO
Exhaust air rilles Est. total No. locations ins ected O
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of 11'TC dust):
KEY: NP = not resent; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132794
OCR can misread numbers and units. Confirm readings against the page image before using them.