NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Pop 1 of 1
Mechanical Exhaust System Identification:
Location: Area Served:
O
Associated mechanical room: clean Y N dty Y stored chemicals!refuse
N y:
N
Surface Component
System Components Dust/ WTC F not
INOTE:.if component not 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 t/ N (explain):
iouv s, grates and/or screens ,✓
outside air duct S
ri
outside air damper(s) N
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining ,j
vibration collars „j p
Exhaust air distribution:
Exhaust air ducts Est total In ft f y No. locations
inspected
Specify type (circle): etal fibrous class lined metal masonry fibrous ¢lass board
flex-duct wood
Accessible in-line fire dam ers Est. total ty No. locations ins ected 7`
Accessible turning vanes Est. total No. to:a:i' ns insprctid ,V()
Exhaust air rilles Est. total No. locations ins cted C)
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
I KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC-000133939
OCR can misread numbers and units. Confirm readings against the page image before using them.