NYC 9/11 Public Portal Document
22 Mechanical Exhaust System Visual-Inspection Form
Mechanical Exhaust System Identification: i of I
Location: n
Area Served:
Associated mechanical room: clean Y N dry Y N stored che. ise Y N
System Components Surface Component
(NOTE: if component not present (NP), not found (NF) or Dust! WTC l; not
inaccessible (I) please Debris Dust present
indicate in last column]
Present? Present?
4 not
found
Exhaust air outlet: Location:
Accessible for inspection? Y 1/ N (explain):
louvers,.grates and/or screens
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air
vanes, in-line noise
attenuators
blower housin acoustical limn Y
vibration collars - N
Exhaust air distribution: N
Exhaust air ducts Est total In ft_ 1 r No. locations
inspected 1
Specify type (circle):' metal fibrous class lined metal ma 47!
ea-duct µood
y fibrous class board
Jy
Accessible in-line fire dampers Est. total qty 12.... No. locations
Accessible turning vanes Est total qty No. locations
Exhaust air grilles Est total ON /2 No. locations
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning
based on finding of WTC dust):
t JSLi•: NP s not present; NF not found; I °0lnacceSsihie2 11 a nnlnnu•..
NYC-WTC 000135803
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