NYC 9/11 Public Portal Document
2. • Mechanical Exhaust System Visual Inspection Form Page 1 of:
• Mechanical Exhaust System Identification:
Location:' n
'' Area Served:
Associated mechanical room: clean Y N dry Y N
stored chemicals/refuse Y N
Surface Component
System Components - Dust/ 1Z TC
(NOTE: if component not present (NP), not found (NF) or inaccessible (I) please not
Debris Dust present
Indicate in last column] Present? Present? not
found
.Exhaust air outlet: Location:
Accessible for inspection? Y N (explain): y
louvers, 'grates and/or screens I N
__ 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
'
O No. locations
inspected
Specify type (circle): era_ fibrous class lined metal masonry fibrous ¢lass board Y fV
flex-duct /
' . ...; ,
1..
Accessible fuming vanes Est. total gty — =
No. locations ins ectea
Exhaust air grilles Est. total qty ! 2 No. locations inspected 0
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of N TC dust):
t
I KEY: NP - not present; NF = not found; I @ Inaccessible; U unknown
e
NYC-WTC 000135796
OCR can misread numbers and units. Confirm readings against the page image before using them.