NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form
Mechanist Exhaust System tdentifiratinn• sI-
Page I of I
Location: Area Served:
"
Associated mechanical room: clean Y N dry Y N
stored chemicals.!refuse Y
Surface Component
System Components Dust/ WTC not
(NOTE:.if component-nbt present (NP), not found (NF) or inaccessible (I) please Debris Dust
Indicate in last column] present
Present? Present? not
found
' t~
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y J N (explain):
louv& s, grates and?or screens
outside air duct
outside air damper(s)
Exhaust fan unit:
P
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators A/
blower housing acoustical lining
p
vibration collars
p
Exhaust air distribution:
Exhaust air ducts Est total In ft No. locations
inspected_(_
Specify type (circle): metal fibrous class lined metal tnasonry fibrous class board
flea-duct wood
Accessible in-line fire dampers Est. total gty ' -7 No. locations inspected
Accessible turning vanes Est. total No. locations inspected
Exhaust air grilles Est. total ri•
n~P
No. locations inspected O
Other (specify):
Other Information:
vJo Q.L.- t /'J v
General impression (indicate recommendations for cleaning based on finding of NVTC dust):
KEY: NP =not present; NF= not found; I = inaccessible: U= unlcnnww•n
NYC-WTC 000133928
OCR can misread numbers and units. Confirm readings against the page image before using them.