NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Page 1 of 1
Mechanical Exhaust System Identification:
Location: Area Served:
1_o
Associated mechanical room: clean Y N dry Y stored chemicals!refuse
N Y N
Surface Component
System Components S Dust/ W1 TC not
(NOTE:.if component iiot 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? Y, N (explain):
louvP s. grates and/or screens N 0
outside air duct .
outside air damper(s) IV
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise y Aj
attenuators [
blower housing acoustical lining
vibration collars (~
Exhaust air distribution:
Exhaust air ducts Est total In ft Sl'O No. locations
inspected I
Specify type (circle): et 1 fibrous class lined metal masonry fibrous class board
flex-duct 1%ood
Accessible in-line fire dampers Est. total gty 1 No. locations inspected 0 T
• Accessible turning vanes Est. total gty No. location_ inspected
Exhaust air illes Est. total No. locations ins ected 0
Other (specify:
Other Information:
'J% Wvt2~,rj
General impression (indicate recommendations for cleaning based on finding of WW'TC dust):
KEY: NP = not resent; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133929
OCR can misread numbers and units. Confirm readings against the page image before using them.