NYC 9/11 Public Portal Document
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Mechanical Exhaust System Identification: Page I of 1
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2 J Ov7H ~it/~ rF fArea Served:
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• Associated mecJ jcJ room: clean Y N dry Y N stored chemicals/refuse Y N
System Components Surface Component
[NOTE: if component not present (NP), not found Dust/ WTC • not present
Ladicate in last column] (Ni)or inaccessible (n please Debris bast .
Present? not found
c.anaun air outlet: Present? • inarrnceaa.la
Location.
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Accessible for inspection? Y i/ (explain): # va o 'r
N —, T JAI & r'*91✓
louvers, grates and/or screens .T
outside air duct
outside air damper(s) I'
Exhaust fan unit:
- blower assembly incl. blower wheel, housing, air
vanes, in-line noise attenuators
- blower housing acoustical lining
vibration collars
Exhaust air distribution:
- Exhaust air ducts Est total in ft No. locations inspected
Specify type (circle): metal Brous ¢lass
lined metal Y fibrous elms board
x-d wood
- Accessible in-line Ere dampers Est. total
qty No. locations inspected
-Accessible turning vanes Est, total qty No. locations inspected
-Exhaust air grilles Est. total qty No. locations inspected
Other (specify):
Other information:
General impression (indicate recommendations for
cleaning based on finding of WTC dust):
M
KEY: NP - not present; NF = not found; I - inaccessible; TI = unknown
NYC-WTC 000135537
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000135537Source: NYC Law Department, mirrored locally