NYC 9/11 Public Portal Document
2.4 Passive Shaft/Duct Visual Inspection Form
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Passive ShaftDuct Identification:
Location: ( Area Served:
System Components Surface Component
)NOTE: if component not present (NP), not found (NF) or Dust; N%'TC not
inaccessible (1) please Debris Dust
indicate in last column) present
Present? Present? r.
5 not
found
4
Outside air intake (if servici ng supply a i r): Location: inaccessible
Accessible for inspection? Y 1; (explain):
louvers. crates. screens or weather cap
Exhaust outlet/louver (if servicing exhaust air):
Location: (Zoo,
Accessible for inspection? Y i\-_ -_ (explain):
louvers, orates, screens or weather cap --- N
Supply air distribution (if servicing supply air):
Supply air outlet(s) Est. total qt)' __ No. locations inspected_
Specify shaft substrate (circle): metal fi brous class lined mewl masonry
fibrous class board flex-duct wood
Accessible fire dampers Est. total tv No. locations inspected
Pi es'mechanical equipment. etc. located i n sha ft
P
Return air distribution (if servicing exhaust air):
Exhaust air inlet(s) Est. total qty 9 No. locations inspected_ U
Specify shaft substrate (circle): meta fibrous class lined metal masonry
Accessible fire dampers Est. total qry No locations inspected
Pi es •mechanical equipment. etc. located i n shaft N
v
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning
based on finding of 1\'"hC dust):
AJJ i Rc SUS1 r'vN.,j~
t —A - ill — not present; ter = not found: I = Inaccessible;
U = unknown
NYC-WTC 000130417
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