NYC 9/11 Public Portal Document
Mecbanical Exhaust System Visual Inspection Form Page l of I
2.2
Mechanical Exhaust System Identification: `t'
Location:' (1 _ -r Area Served:
Associated mechanical room: clean Y N dry Y stored chemicals!refuse
N Y N
Surface Component
Dust/ VTC e; not
System Components
please Debris Dust present
[NOTE: if component not present (NP), not found (NF) or inaccessible (I) Present? Present?
indicate In last column) 4 not
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? V I ' N (explain): Y • //
Iouvifts, grates and!or screens
outside air duct N
outside air damper(s)
Exhaust fan unit: _
blower assembly incl. blower wheel, housing, air vanes, in-line noise n/
attenuators
blower housing acoustical lining Al
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft jU No. locations
inspected 1 .
Specify type (circle): meta' fibrous Blass lined mrtal masonry fibrous class board y
fie -duct wood
Accessible in-line fire dampers Est. total gty No. locations inspected l n
No. I a:ixts inspected NP~
Accessible turning vanes Est, total atv
Est. total on• No. locations inspected I.
Exhaust air grilles
Other(specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of I\TC dust):
KEY: NP - not present; NF a not found; I inaccessible; U - unknown —•
NYC-WTC 000135944
OCR can misread numbers and units. Confirm readings against the page image before using them.