NYC 9/11 Public Portal Document
22 Mecha n~ca l Ex h aust System Vlsual
Inspection Form Page 1 of 1
Mechanical Exhaust System Identification:
Location:
• Qoo(- 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 (I) Dust/ WTC 1; not
(NF) or inaccessible please Debris Dust
indicate In last column] present
Present? Present? not
found
Exhaust air outlet: Location: Inaccessible
Accessible for inspection? Y I/ 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
A)
blower housing acoustical lining
vibration collars
Exhaust air distribution:
Exhaust air ducts Est, total In ft I No. locations
inspected_
Specify type (circle): met fibrous glass lined metal
flex-duct wood
masonry fibrous class board
Y IN
Fst total h. tir,rc to ::1 ~...~ cd O
N ' !1.
Accessible turning vanes Est total qty No. locations inspected N
Exhaust air grilles Est total qty No. locations inspected t) V
Other (specify):
Other Information:
General impression (indicate recommendations for
cleaning based on finding of \W'TC dust):
KEY: NP =not resent• 1\'F not found; I = inaccessible; U = unknown
NYC-WTC 000133667
OCR can misread numbers and units. Confirm readings against the page image before using them.