NYC 9/11 Public Portal Document
2.4 Passive Shaft/Duct Visual Inspection Form Page 1 of 1
Passive Shaft/Duct Ide~gtification:
A'ro r— MI f 1JTA t A'SI
Location: I Area Served:
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Surface Component
System Components Dust/ WTC • not present
[NOTE: if component not present (NP), not found (NF) or inaccessible (1) please Debris Dust • not found
indicate in last column] Present? Present? • Inaccessible
Outside air intake (if servicing supply air): Location:
Accessible for inspection? Y V N (explain):
N N
— louvers, grates, screens or weather cap
Exhaust outlet/louver (if servicing exhaust air): Location:
Accessible for inspection? Y Vin N (explain): A l
ry
— louvers, grates, screens or weather cap
Supply air distribution (if servicing supply air):
— Supply air outlet(s) Est. total qty No. locations inspected
Specify shaft substrate (circle): meta fibrous class lined metal mason
fibrous Blass board ex-duct wood
— Accessible fire dampers Est total qty No. locations inspected
— Pipes/mechanical equipment, etc. located in shaft
Return air distribution (if servicing exhaust air):
— Exhaust air inlet(s) Est total qty No. locations inspected
Specify shaft substrate (circle): metal fibrous glass lined metal m ru
fibrous class board flex-du wo
— Accessible fire dampers Est total qty No. locations inspected
— Pipes/mechanical equipment, etc. located in shaft
Other (specify):
Other Information:
Es1'Ii 'T€o ()Lttitewr- asL
yp .
General impression (indicate recommendations for cleaning based on finding of WTC dust):
is
E.l A1 l n U-il WAS ©gs~~.v •
Nn WTC
KEY: NP = not resent; NF = not found; I = inaccessible; U = unknown
NYC-WTC-000117364
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