NYC 9/11 Public Portal Document
2.2 Mechanical Fxhanct Cvctem Visual Tn .. V..._.. b.._... t _'r .
Mechanical Ex.haust System Identification:
cN, ti
Location:,a t+ Area Served:
rt -
Associated mechanical room: clean Y N dry Y N stored chemicals/refuse Y N
Surface Component
System Components Dust/ WTC • not present
[NOTE: if component not present (NP), not found (NF).or inaccessible m please Debris Dust • not found
indicate in last column] Present? Present? • inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y N (explain):
— louvers, grates and/or screens
— outside air duct
— outside air damper(s)
Exhaust fan unit:
— blower assembly incl. blower wheel, housing, air vanes, in-line noise attenuators
— blower housing acoustical lining
— vibration collars f \l t:i
Exhaust air distribution:
— Exhaust air ducts Est total In ft ?UC No. locations inspected ,
Specify type (circle): metal fibrous glass lined metal / ~fia
_o~nn '. fibrous glass board
—duct
flex wood
— Accessible in-line fire dampers Est. total qty No. locations inspected h+
— Accessible turning vanes Est. total qty No. locations inspected h( P
— Exhaust air grilles Est. total qty ( .4 No. locations inspected C-
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
IV✓ i :.:.T VV t`',R36,ti~~..1 1l.? f HE CC:I,d?Gt.j€tilS Z 1 1i
FAQ , A-') ti S A` ,+ A=j F,-) 2'so TS .
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC-000113903
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