NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Pare 1 of 1
•Mechanical Exhaust System Identification: c.. —
Location: µ Area Served:
Associated mechanical room: clean Y N dry Y •N
stored chemicals/refuse Y N
Surface Component
System Components .. Dust/ WTC
[NOTE: If component not present (NP), not found (NF) or inaccessible (I) please
4 not
Debris Dust present
indicate in last column] Present? Present? not
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? YVN (explain): `
louvers, grates and/or screens
outside air duct ej
outside air damper(s) ell
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators N
blower housing acoustical lining N Q
vibration collars 1_ n
Exhaust air distribution:
Exhaust air ducts Est. total In ft 1 147 No. locations
inspected 1 -
Specify type (circle): metal fibrous glass lined metal masonry fibrous glass board ~ "'
flex-duct wood
4 s -it'a i' 1 n fire &masers Est. total otv No, locations inspectedl
Accessible turnip vanes Est. total No. locations ins ected Nn
Exhaust air grilles Est. total ! No. locations ins cted
Other (specify):
Other Information:
General Impression (indicate recommendations for cleaning-based on finding of WTC dust):
KEY: NP = not present; NF = not found; I = Inaccessible; U = unknown
NYC-WTC 000132789
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