NYC 9/11 Public Portal Document
.2.2 Mechanical Exhaust System Visual Inspection Form
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Location: n 0 r- Area Served:
Associated mechanical room: clean Y N dry Y N
stored chemicals/refuse Y N
System Components Surface Component
p
Dust/ WTC l; not
(NOTE: if component not present (NP), not found (NF) or inaccessible (1) please Debris Dust present
indicate in last column) Present? Present? not
found
Exhaust air outlet: inaccessible
Location:
Accessible for inspection? Y V N (explain): f
y
louvers, grates and/or screens
N
outside air duct
outside air damper(s) N P
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
N
vibration collars
Exhaust air distribution: N
Exhaust air ducts Est total In ft No. locations
inspected 1
Specify type (circle): metal fibrous Blass lined metal masonry fibrous ¢lass board
flex-duct wood
Accessible in-line fire dampers Est. total gty I2_. No. locations inspected C
Accessible turning vanes Est. total gty No. locations inspected
Exhaust air grilles Np
Est. total gty i2L No. locations inspected O
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding
of \VTC dust):
KEY: NP = not present; NF = not found: I = inaccessible_ 11 = i,nknn.rn
NYC-WTC 000113721
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