NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust SvstPm Vievini - - T"+;,,.. t,
Mechanical Exhaust System Identification:
_ ~• ••• rage i of I
Location: Area Served:
F
Associated mechanical room: clean Y N d Y N
stored chemicals/refuse Y N
System Components Surface Component
Dust/ WTC
[NOTE: if component not present (NP), not found (NF) or
inaccessible (I) please Debris Dust
4 not
indicate in last column] present
Present? Present? not
found
Exhaust air outlet: Inaccessible
Location:
Accessible for inspection? Y_____ N (explain):
louvers, grates and/or screens
outside air duct
outside air damper(s) p
Exhaust fan unit: N
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
AP
vibration collars
Exhaust air distribution: N p
Exhaust air ducts Est total In ft 1 2) No. locations
inspected t
Specify type (circle): me al fibrous glass lined metal masonry fibrous lass board Al
flex-duct wood
Accessible in-line fire dampers Est. total gty l2. No. locations inspected O
Accessible turning vanes Est. totalgty No. locations inspected 1vP
Exhaust air rilles Est. total No. locations ins ected v `
Other (specify): L
Other Information:
General impression (indicate recommendations for cleaning based on
finding of R'TC dust):
r
KEY: NP = not present; NF = not found: I = inarcPccihIP• TT
NYC-WTC 000133786
OCR can misread numbers and units. Confirm readings against the page image before using them.