NYC 9/11 Public Portal Document
2.2 • Mechanical Exhaust System Visual insnectinn Fnrm ti.,,.., 7 ..4• I
Mechanical Exhaust System Identification:
Location:
t Area Served:
Q.0O F
Associated mechanical room: clean Y N dry Y N stored chemicals.!refuse Y N
Surface Component
System Components Dust/ WW'TC 1; not
[NOTE:.If component•nat present (NP), not found (NF) or inaccessible (I) please Debris Dust •present
Indicate in last column] Present? Present? not
• found
inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y /__)N_(explain):
louvi± s, grates and/or screens Pj
outside air duct ^J
outside air damper(s) p
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators 1~
blower housing acoustical lining - N(~
vibration collars N(~
Exhaust air distribution:
Exhaust air ducts Est total In ft No. locations
inspected
Specify type (circle): etal fibrous class lined metal masonry fibrous class board
flex-duct ~~•ood
Accessible in-line fire dampers Est. total gty 7 No. locations inspected
Accessible turnin vanes Est. total No. locations inspected _
Exhaust air illes Est. total No. locations ins ected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132747
OCR can misread numbers and units. Confirm readings against the page image before using them.