NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Page I of I
Mechanical Exhaust System Identification: 4tj
Location: (1_ - 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 Debris Dust
4 not
present
Indicate in last column) Present? Present? not
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y_ NN (explain):
louvers, grates and/or screens
outside air duct
outside air damper(s)) - - . -..
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 1 2~) No. locations
inspected I _____
Specify type (circle): masonry fibrous (lass board
flex-duct
Accessible in-line fire dampers Est. total gty l No. locations inspected ('
Accessible turnip vanes Est. total No. locations ins cted ;,Jp
Exhaust air grilles Est. total gty No. locations inspected T
if
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
L.'J r C_ ` Vs ; A0%4,.,f1 + CL~AJ 6 S Comm e,j 0~n ,
C
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000134635
OCR can misread numbers and units. Confirm readings against the page image before using them.