NYC 9/11 Public Portal Document
1.2 Mechanical Exhaust System Visual Insnectinn Form Pa r 1 .,f I
Mechanical Exhaust System Identification:
Location: f Area Served:
Associated mechanical room: clean Y N dry Y N
stored chernicals.!refuse Y N
Surface Component
System Components Dust/ WNTC l; not
[NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate in last column] Present? Present? not
found
• 2;
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y J N (explain): Y •`
Iouv9 s, grates and/or screens N
outside air duct
outside air dam er(s)
Exhaust fart 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 No. locations
inspected
Specify type (circle): fetal fibrous class lined metal masonry fibrous glass board
flex-duct wood
Accessible in-line fire dam ers Est. total t y No. locations ins ected
Accessible turning vanes Est. total gty No. locations inspected tit .
Exhaust air grilles Est. total gty No. locations inspected S
M_
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WtiTC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132790
OCR can misread numbers and units. Confirm readings against the page image before using them.