NYC 9/11 Public Portal Document
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Mechanical E ust System Identification:
Location: Area Served:
D
Associated mechanical room: clean Y N dry Y N stored chemicals/refuse Y N
System Components Surface Component
Dust/ WTC • not present
[NOTE: If component not present (NP), not found (NF) or inaccessible (1) please Debris Dust . not found
indicate in last column] Present? Present? ,
inaccessible
Exhaust air outlet: Location:
Accessible for -inspection? Y /N (explain):
— louvers, grates and/or screens
— 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
'I
— vibration collars Ni.'
Exhaust air distribution:
— Exhaust air ducts Est. total In ft rU( No. locations inspected
Specify type (circle): ruetal fibrous Mass lined meta' l fibrous glass board
flçx-duct g
— Accessible in-line fire dampers Est. total qty No. locations inspected
N
— Accessible turning vanes Est. total qty No. locations inspected
— Exhaust air grilles Est total qty f.9 No. locations inspected C
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
ii'J P'-414 1 ST 3t s 'tD I IJ ' T4 c c M? t, A) &''~rS
F-,) vc -S .
V
KEY: NP - not present; NF s not found; I = inaccessible; U s unknown
NYC-WTC 000135501
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