NYC 9/11 Public Portal Document
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. Mechanical Exhaust System Identification - - - -- -
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Location:• Area Served:
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• Associated mechanical room: clean Y N dcy Y 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 '✓ N (explain):
- louvers, grates and/or screens
- outside air duty
- outside air damper(s) _______
sf
Exhaust fan unit:
- blower assembly incl. blower wheel, housing, air vanes, in-line noise attenuators '-
- blower housing acoustical lining
- vibration collars
Exhaust air distribu+ion:
- Exhaust air ducts Est. total In ft C (> No. locations inspected
Specify type (circle): fet ll ( oisis ci ss lined metal , • 1 fibrous glass board
fl ex-duct
- Accessible in-line fire dampers Est. total qty No. locations inspected t
- Accessible turning vanes Est. total qty_ No. locations inspected t
- Exhaust air grilles Est. total qty a.g No. locations inspected u j
Other (specify):
Other information:
General impression (indicate recommendations for -clleeaning based on finding of Vt'TC
dust):
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KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000135502
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