NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form
Mechanical Exhaust System Identification: Page 1 of 1
Location: Area Served:
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 (NF) or inaccessible (I) Dust! WTC i; not
please Debris Dust present
indicate in last column] Present? Present? not
found
Exhaust air outlet: Location: Inaccessible
Accessible for inspection? Y 1 N (explain): IV
louvers, grates and/or screens
Al
utside air duct
outside air damper(s)
n unit: N
blower assembly incl. blower wheel, housing, air vanes, in-line noise
nuators
blower housing acoustical lining
vibration collars N
distribution:
ir ducts Est total In ft 1 2.0 No. locations
_
pe (circle): meta] fibrous glass lined metal masonry fibrous class board
flex-duct wood !
nAccessible in-line fire dam ers Est. total gty 12. No. locations inspected
Accessible turning vanes Est. total No. locations ins ected
Exhaust air grilles Est. total gty I 2. No. locations inspected
Other (specify):
Other Information:
)d 1 \ J0 QV. ) (,
General impression (indicate recommendations for cleaning based on finding
of WTC dust):
KEY: NP = not NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133777
OCR can misread numbers and units. Confirm readings against the page image before using them.