NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form
Mechanical Exhaust System Identification: Page 1 of I
Location: n ®
Qurtp Area Served: A
Associated mechanical room: clean Y N dry Y N
stored chemicals/refuse Y N
System Components Surface Component
[NOTE: if component not present (NP), not found (NF) or Dust/ WTC not
inaccessible (I) please Debris Dust
indicate in last column] present
Present? Present? 4 not
found
Exhaust air outlet: Location: inaccessible
Accessible for inspection? Y J N
louvers, grates and/or screens
(explain):
Y I 'N
outside air duct
outside air dampers)
Exhaust fan unit: 1 t'
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators /✓
blower housing acoustical lining
vibration collars N
Exhaust air distribution: __ NP
Exhaust air ducts Est total In ft_j)) Nc,. lc, -,-ion,;
inspected____
Specify type (circle): metal fibrous glass lined metal
flex-duct wood
masonry fibrous glass board
Y I ^~
Accessible in-line fire dampers Est total qty i2.. No locations inspected i
Accessible turning vanes _ _ Est. total No. locations ins ected
Exhaust air grilles Est total gty 12— No locations inspected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based
on finding of NV'TC dust):
KEY: NP = not NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133788
OCR can misread numbers and units. Confirm readings against the page image before using them.