NYC 9/11 Public Portal Document
2.2 - Mechanical Exhaust System Visual Inspection Form Pate 1 of 1
'Mechanical Exhaust System Identification:
Location: ^ Area Served:
Associated mechanical room: clean .Y N dry Ystored chemicals/refuse
N Y N
• Surface Component
System Components S Dust! WTC not
[NOTE: If component not 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):
grates and/or screens
louvers, •
outside air duct
outside air damper(s)
Exhaust fan unit:
blower assembly Incl. blower wheel, housing, air vanes, in-line noise
attenuators
• blower housing acoustical lining
vibration collars
Exhaust air distribution:
Exhaust air ducts Est. total In ft iO No. locations
• inspected • -
Specify type (circle): etal fibrous glass lined metal masonry fibrous glass board J
v
flex-duct wood `
Accessible in-line fire dampers Est. total gty No. locations inspected /J 9
Accessible turning vanes Est. total gty No. locations inspected tV
Exhaust air grilles Est. total gty 9iD No. locations inspected
Other (specify):
Other Information:
General Impression (indicate recommendations for cleaning_based on finding of WTC dust):
KEY: NP = not resent; NF = not found; I = Inaccessible; U = unknown
NYC-WTC-000132798
OCR can misread numbers and units. Confirm readings against the page image before using them.