NYC 9/11 Public Portal Document
• 2.2 Mechanical Exhaust System Visual Inspection Form
Mechanical Exhaust System Identification: Page 1 of 1
Associated mechanical room: clean Y N dry Y N stored chenucals/refuse Y N
System Components Surface Component
[NOTE: if component not present (NP), not found D WTC • not present
or Inaccessible (1) please Debris Dust . not found
indicate in last column Present? Present? • inaccessible
Exhaust air rnrttpt, T .......:.....
Accessible for inspection? Y ✓ N (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 ant _ No. locations inspected
Specify type (circle): ' et fibrous al_ass lined neta ) fibrous mass board
—Accessible in-line fire dampers Est total qty
No. locations inspected
—Accessible turning vanes Est. total qty No. locations inspected
— Exhaust air grilles Est total qty
Other (specify):
No. locations inspected
c
Other Information!
General impression (indicate recommendations for cleaning
based on finding of'
No /7'' iS '/
NP = not present; NF = not found; I = inaccessible;
U=
NYC-WTC 000135536
OCR can misread numbers and units. Confirm readings against the page image before using them.