NYC 9/11 Public Portal Document
2r,2 Mechanical Exhaust System V*sual ns
ection Form
Mechanical Exhaust System Identification: I of I
Location:
Q-1 Area Served:
R,,~, ~. 2►1
Associated mechanical room. c 1can Y N d Y N stored chemicals,'refuse Y N
System Components Surface Component
INOTE: if component not present (NP), not found (NF) or Dust/ WTC not
inaccessible (1) please Debris Dust
indicate in last column] Present? Present? present
not
found
Exhaust air outlet: I ton. inaccessible
Accessible for inspection? Y_ N (explain):
y ~V
louvers, grates and/or screens (
outside air duct /~I
outside air damper(s) N
Exhaust fan unit:
blower assembly incl. blower wheel, housing,
air vanes, in-line noise
attenuators
blower housing acoustical lining
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft c2 fJ No. locations
inspected I
Specify type (circle): meta fibrous Blass lined metal masonry fibrous class board
flea -duct wood
Accessible in-line fire dampers Est. total gty No. locations inspected
Accessible turning vanes Est. total qty AIP
No. locations inspected
Exhaust air grilles Est. total No. locations inspected \
Other (specify): /V
Other Information:
General impression (indicate recommendations for
cleaning based on finding of WW'TC dust):
KEY: NP = not ; NF = not found; I = inaccessible; U =
unknown
NYC-WTC 000113731
OCR can misread numbers and units. Confirm readings against the page image before using them.