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:
Associated mechanical room: clean Y N dry Y stored chemicals/refuse
N Y N
Surface Component
System Components 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):
louvers, grates and/or screens
outside air duct A) _
outside air damper(s)
S)
Exhaust fan unit: S
blower assembly incl. blower wheel, housing, air vanes, in-line noise = -
attenuators
blower housing acoustical lining Al
vibration collars Al P
Exhaust air distribution:
Exhaust air ducts Est. total In ft I t.f1 No. locations
inspected
Specify type (circle): etal fibrous lass lined metal masonry fibrous slass board
flex-duct woo
Accessible in-line fire dampers Est. total gty (I No. locations inspected 0 =
Accessible turning vanes - Est. total gty No. locations inspected
Exhaust air grilles Est. total gty 1 No. locations inspected
Other (specify):
Other Information:
General Impression (indicate recommendations for cleaning based on finding of WTC dust):
L
KF": NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133719
OCR can misread numbers and units. Confirm readings against the page image before using them.