NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual incnertinn Fnrm ID—A I ..0 I
Mechanical Exhaust System Identification: ,
Location - Area Served:
4ssociated mechanical room: clean Y N dry Y N
stored chemicals/refuse Y N
Surface Component
System Components Dust/ WTC not
[NOTE: If component not present (NP), not found (NF) or Inaccessible (I) please 4
Debris Dust present
indicate [n last column) Present? Present? 4 not
found
inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y J N (explain): i
louvers, grates and/or screens
outside air duct
- outside air damper(s) -.
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, inline noise -N
attenuators
blower housin acoustical limn
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft I 2.4...) No. locations
inspected t
Specify type (circle): met 1 fibrous glass lined metal) masonry fibrous glass board l/
x-du t
Accessible in-line fire dam ers Est. total I_I No. locations ins ected
Accessible turnip vanes ' Est. total ty ' No. locations ins ected tin
Exhaust au grilles Est. total ty i No. locations ins ected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of 1V'TC dust):
A4 W'r( ~S 4'iA .
KEY: NP = not present; NF a not found; I a Inaccessible; U - unknown
NYC-WTC 000135904
OCR can misread numbers and units. Confirm readings against the page image before using them.