NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form PaoP 1 of 1
Mechanical Exhaust System Identification:
Location: Area Served:
c~ F'
Associated mechanical room: clean Y .N dry Y N
stored chernicals!refuse Y N
Surface Component
System Components Dust/ WTC not
jNOTE:.if component•nbt present (NP), not found (NF) or inaccessible (I) please Debris Dust present
Indicate In last column) Present? Present? not
found
Ir
inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y ✓ N (explain):
C.
louvi: s, grates and/or screens p
outside air duct
outside air damper(s) S
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining Np
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft ~C) No. locations
inspected
Specify type (circle): eial fibrous class lined metal masonry fibrous class board
flex-duct wood
Accessible in-line fire dampers Est. total gty 7 No. locations inspected 0
Accessible turning vanes Est. total No. locations inspected
Exhaust air rilles Est. total No. locations ins ected t''
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of \VTC dust):
1t,1 L : P S'._ Lc-AI o - S G O,-
c.t' iS
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133958
OCR can misread numbers and units. Confirm readings against the page image before using them.