NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Forma .
Mechanical Exhaust System Identification: Page 1 of 1
I I A rea
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 De WTC • not preset
or Inaccessible (1) please Debris Dust •• not found
indicate in last column] Present? Present? • fnacceccib~
res
t~et~..-...e_ ~~.~_ ..
Accessible for inspection? Y ✓ N (explain):
— Iowers, 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`t No. locations inspected
Specify type (circle): fibrous glass lined met a1 abrous class board
—Accessible in-line fire dampers Est total qty No. locations inspected
— Accessible turning vanes Est total qty No. locations inspected I
— Exhaust air grilles Est total qty No. locations inspected
Other
General impression (indicate recommi for cleaning based on
- N A//I/)
KEY: 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.