NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form
Mechanical Exhaust System Identification: J .
I of 1
Location:
Q-ooc. Area Served:
40 Associated mechanical room: clean
System Components
Y N dry Y N
stored chemicals/refuse
Surface
Y N
Component
(NOTE: if component not present (NP), not found (NF) or Dust/ WTC i; not
inaccessible (I) please Debris Dust
indicate in last column] present
Present? Present? not
found
4
Exhaust air outlet: Location:
Accessible for inspection? Y 1/ N (explain): IM
r
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 AJ
blower housing acoustical lining
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft_ I No. locations
inspected____
Specify type (circle): metal fibrous glass lined metal masonry fibrous glass board
ex-duct wood r
Accessible in-line fire dampers Est total qty I No locations inspected
Accessible turning vanes Est total qty No locations inspected
Exhaust air grilles Est total qty ) ;L No locations inspected i
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on
finding of R'TC dust):
KEY: NP = not NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133785
OCR can misread numbers and units. Confirm readings against the page image before using them.