NYC 9/11 Public Portal Document
2:2 Mechanical Exhaust Svstem Visual Insnertinn Form Pc 1 ..f •t
Mechanical Exhaust System Identification:
Location: n Area Served:
Associated mechanical room: clean Y N dry Y N
stored chemicalsIrefuse Y. N
Surface Component
System Components Dust/ «TC not
[NOTE:.if component itot present (NP), not found (NF) or Inaccessible (I) please Debris Dust present
indicate in last column] Present? Present? not
found
inaccessible
Exhaust air outlet: Location:
Accessible for inspection? 1' 7 N (explain):
lou4 s, grates and/or screens N
outside air duct A)
outside air damper(s) n1
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lininE
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft l C3 No. locations
inspected
Specify type (circle): me fibrous class lined metal masonry fibrous class board
flex-duct wood t
Accessible in-line fire dampers Est. total gty No. locations inspected
Accessible turning vanes Est. total gty No. locations inspected NP
Exhaust air rilles Est. total No. locations ins ected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of \ti'TC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132784
OCR can misread numbers and units. Confirm readings against the page image before using them.