NYC 9/11 Public Portal Document
• 2.2 Mechanical Exhaust System Visual Ins ection Form
Mechanical Exhaust System Identification: Page 1 of 1
Location: n
Area Served:
Associated mechanical room: clean Y N dry Y N stored chemicals/refuse Y N
System Components Surface Component
[NOTE: if component not present (NP), not found (NF) or Dust/ WTC l; not
inaccessible (I) please Debris Dust present
indicate in last column)
Present? Present? not
found
Exhaust air outlet• I,ocatton: inaccessible
/
Accessible for inspection? Y V N (explain):
louvers, -;rates and/or screens
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 LQ No. locations
inspected I
Specify type (circle): metal fibrous glass lined metal masonry fibrous class board
flex-duct wood r i s
Accessible in-line fire dampers Est. total qty 12 No locations inspected 0
Accessible turning vanes Est. total gty No locations inspected
Exhaust air grilles Est. total qty / No. locations inspected 0
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning
based on finding of WTC dust):
KEY: NP = not present; NF = not found; I =
inaccessible; U = unknow
NYC-WTC 000133671
OCR can misread numbers and units. Confirm readings against the page image before using them.