NYC 9/11 Public Portal Document
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echawcal Exhaust System Identification
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cation• Area Served:
G TUf: $LPJ-
F Associated mechanical room: clean/Y N dry N stored chemicals/refuse Y N
Surface Component
System Components 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_\f" 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 \) NJ _____________
— blower housing acoustical lining
— vibration collars
Exhaust air distribution:
— Exhaust air ducts Est. total In ft c) No. locations inspected
Specify type (circle): petal) fibrousglass lined metal masonry fibrous glass board
flex-duct
- Accessible in-line fire dampers Est. total qty No. locations inspected {-
- Accessible turning vanes Est. total qty i No. locations inspected 0 I ti tQ
- Exhaust air grilles Est. total qty .S No. locations inspected C
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
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KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC-000113900
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