NYC 9/11 Public Portal Document
2.2 - Mechanical Exhaust System
Visual Inspection Form
Aiechanical Exhaust System Identification: IofI
Location:
Area Served:
Associated mechanical room clean V N dry Y N
stored chenticals'refuse Y
System Components Surface Component
[NOTE: if component not present (NP), not Dust/ WTC iy not
round (NF) or inaccessible (I) please Debris
Indicate in last column] Dust present
Present? Present?
4 not
found
4
Exhaust air outlet: Location: Inaccessible
Accessible for inspection? Y VocN (explain):
lou''ers, Brags and'or screens
outside air duct
outside air dantoer(s)
Exhaust fan unit:
_ blower assembly incl. blower Wheel, housing, air
vanes, in-line noise
attenuators
blower housing acoustical linine
Al
vibration collars
Exhaust air distribution:
Exhaust air ducts Est tota l In ft `~~ '' ~
1 .2-V No. locations
inspected
r
Specify type (circle): m tai i r s ela;s lined met m -o ry fibrous class beard
ex -duct w o .N
Accessible in-line fire dant ers Est. total I\'o. locations ins ected
Accessible turning vanes Est. total No, locations inspected
Exhaust air erilles Est. total gty f No. locations inspected
Other (specify):
Other Information:
General impression (indicate recommendations
for cleaning based on finding of TC dust):
,v o w i(.
I 1': NP - not pr not found; I - Inaccessible; U - ui
NYC-WTC 000135843
OCR can misread numbers and units. Confirm readings against the page image before using them.