NYC 9/11 Public Portal Document
2 Mechanical Exhaust System Visual Inspection Form Pate] of 1
Mechanical Exhaust System Identification: 'T I;
Location: n Area Served:
Associated mechanical room: clean Y N dry Y stored chemicals'refuse
N Y N
Surface Component
System Components Dust! WW'TC 1 not
INOTE: if component ribt present (NP), not found (NF) or inaccessible (I) please Debris Dust present
Present? Present?
Indicate in last column) 4 not
found
inaccessible
Exhaust air outlet: Location:
Accessible for inspection? VI' N (explain):
7 AJ
louv s, grates and'or screens
outside air duct N
outside air damper(s) N
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
vibration collars N O
Exhaust air distribution:
Exhaust air ducts Est total In ft _3 No. locations
inspected -
Specify type (circle): meta fibrous class lined metal z fibrous class board
onr% N
flex-duct good
Accessible in-line fire dampers Est. total gtv No. locations inspected P
Accessible turning vanes Est. total aty No. Iocati' inspectad
nc- l NP
Exhaust air grilles Est. total at No. locations inspected p I
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of 11•TC dust):
KEY: NP = not present; NF - not found; I - inaccessible; U = unknown __
NYC-WTC 000135942
OCR can misread numbers and units. Confirm readings against the page image before using them.