NYC 9/11 Public Portal Document
2.4 , Passive Shaft/Duct Visual Inspection Form
Page 1 of I
rassive snaruuuct ioentulcation:
Location: Area Served:
Surface Component
System Components Dust/ WFC
[NOTE: if component not present (NP), not found (NF) or inaccessible (1) please not
Debris Dust present
indicate in last column] Present? Present?
4 not
found
inaccessible
Outside air intake (if servicing supply air): Location:
Accessible for inspection? Y N (explain):
louvers, grates, screens or weather cap
Exhaust outlet/louver (if servicing exhaust air); Location:
Accessible for inspection? YI'N (explain): I•)
louvers, rates, 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): metal fibrous glass lined metal masonry
fibrous class board flex-duct wood
Accessible fire dam ers Est. total No. locations ins ected
Pi es/mechanical equipment, etc. located in shaft P
Return air distribution (if servicing exhaust air):
Exhaust air inlet(s) Est. total qty 5 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 N
Pi es'me:;anical equipment, etc. located in shaft (~
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
KEY: NP = not present; NF — not found; I — inaccessible; U = unknown
NYC-WTC 000133637
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