NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Insnection Form Psorp1 of1
•Mechanical Exhaust System Identification: 4
Location: n
Area Served:
Associated mechanical room: clean Y N dry Y
stored chemicals/refuseN 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] S
Present? Present? not
• found
Inaccessible
Exhaust air outlet: Location:
Accessible for
inspection? Y 1 N (explain):
louvers, grates and/or screens t /V
outside: a:: duct
outside air damper(s) A/
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical_lining
vibration collars ,..l
Exhaust air distribution:
Exhaust air ducts Est. total In ft ] No. locations
inspected t
Specify type (circle): eta] fibrous glass lined metal masonry fibrous glass board
flex-duct wood
Accer;ib1- -line fire damrerC
in
F,. •` :' - •
?Nr.
locat; ' 'nor e'ttd
Accessible turning vanes Est. total gty No. locations inspected i/
Exhaust air illes Est. total No. locations ins cted
Other (specify):
Other Information:
General Impression (indicate recommendations for cleaning.based on finding of WTC dust):
KEY: NP = not present; NF = not found; I = Inaccessible; U = unknown
NYC-WTC-000132788
OCR can misread numbers and units. Confirm readings against the page image before using them.