NYC 9/11 Public Portal Document
2:4. Passive Shaft/Duct Visual Inspection Form Page 1 of I
Passive Shaft-Duct Identification:
Location: Area Served:
c7
Surfa Ce Component
System Components Dust/ WTC
~ not
[NOTE: if component not present (NP), not found (NF) or inaccessible (1) please Debris Dust present
indicate in last column] Present? Present?
4 not
found
4
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 sery icing exhaust air): Location: 1=
Accessible for inspection? Y t __ (explain):
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): 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 P
Return air distribution (if servicing exhaust air):
Exhaust air inlet(s) Est. total qty 3 No. locations inspected
Specify shaft substrate (circle): metal fibrous glass lined metal masonry l)
rows glass board flex-duct wood (/
Accessible fire dam ers Est. total No. locations ins ected /\/Q
Pi es/mechanical a ui ment, etc. located in shaft ttj19
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of «'TC dust):
t
.':NP = not present; NF = not found; I — inaccessible; U = unknown
NYC-WTC 000133640
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