NYC 9/11 Public Portal Document
2.4 Passive Shaft/Duct Visual Inspection Form Page 1 of 1
Passive Shaft/Duct Identification: f • ft.-. ,N `l' Al'
Location: Served:
as-1.
Surface Component
System Components Dust/ WTC not
[NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present
Indicate in last column] Present? Present?
4 not
found
4
inaccessible
Outside air intake (if servicing supply air): Location: 21
aoor-
Accessible for inspection? Y I N (explain): N
(
louvers, grates, screens or weather cap ( i1
Exhaust, outlet/louver (if servicing exhaust air): Location:
Accessible for inspection? Y N (explain):
louvers, grates, screens or weather ca
Supply air distribution (if servicing supply air):
Supply air outlet(s) Est. total qty£ No. locations inspected
Specify shaft substrate (circle): <eta fibrous glass lined metal masonry Al
fibrous glass board ex-duct wood (
Accessible fire dampers Est. total gty No. locations inspected N P
Pipes/mechanical equipment, etc. located in shaft P ,j f)
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 masonry
fibrous glass board flex-duct wood
Accessible fire dam ers Est. total No. locations ins ected
Pipes/mechanical equipment, etc. located in shaft
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
I KEY: NP = not resent; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132806
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