NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspect iOfl
Mechanical Exhaust System Identification:
Form Page l of I
Location:
O ~ Area Served:
Associated mechanical room: clean Y N dry Y N stored chemicals/refuse Y N
System Components Surface Component
[NOTE: if component not present (NP), not found Dust/ RTC not
(NF) or inaccessible (1) please Debris Dust
indicate in last column) present
Present? Present?
k not
found
4
Exhaust air outlet: Location: inaccessible
Accessible for inspection? Y X"-(explain):
louvers, grates and/or screens
outside air duct N
outside air damper(s) N
N
r
unit:
blower assembly i.ncl. blower wheel, housin2, air
vanes, in-line noise
uators
blower housing acoustica l lining
Vibration collars NP
E istribution:
ducts Est total In ft _ No. locations
(circle): metal fibrous glass lined metal masonry fibrous Blass board N
flex-duct wood
Accessible in-line fire dampers Est. total gtv J No. locations inspected p ;
turning vanes Est. total gty No. locations inspected
illes Est. iota] No. locations ins ected 0
):
r !e f3
Information:
General impression (indicate recommendations for
cleaning based on finding of \'%'TC dust):
KEY: NP = not NF = not found; I = inaccessible; U =
unknown
NYC-WTC 000113725
OCR can misread numbers and units. Confirm readings against the page image before using them.