NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection
Mechanical Exhaust System Identification: Form 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 Debr WTC
(NF) or inaccessible (I) please Debris
not
indicate in last column] Dust present
Present? Present? not
found
Exhaust air outlet: Location: Inaccessible
Accessible for inspection? YifN (explain):
louvers, grates and/or screens
Y
outside air duct
outside air damper(s) n.1
Exhaust fan unit: /JP
blower assembly incl. blower wheel, housing,
air vanes, in-line noise
attenuators
blower housing acoustical lining _
vibration collars A/P
Exhaust air distribution: /V
Exhaust air ducts Est total in ft_ JZ.(7 No. locations
inspected
Specify type (circle): metal fibrous Blass lined metal rn nry fibrous glass board 7 to
flex-duct wood !!!
Accessible in-line fire dampers Est. total gty ,`Z No. locations
Accessible turnine vanes Est. totalytq No. locations
Exhaust air grilles Est total gty ►,`L No. locations
Other (specify).
Other Information:
.g eneral impression (indicate
recommendations for cleaning based on finding of WTC
dust):
KEY: NP =not present; NF =not
found; 1= inaccessible; U = unknown
NYC-WTC 000133678
OCR can misread numbers and units. Confirm readings against the page image before using them.