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 inaccessible (1) Dust/ 11'TC E not
please Debris Dust present
indicate in last column] Present? Present? not
found
Outside air intake (if servicing supply air): inaccessible
Location:
Accessible for inspection? Y 1\ (explain):
louver's, grates, screens or weather ca
Exhaust outlet/louver (if servicing exhaust air): Location fZ a
Accessible for inspection? V' N— __(explain): ,✓
louvers, erates, screens or weather cap
7 N
Supply air distribution (if servicing supply air):
Supply air outlet(s) Est. total ory _ _ _ No. locations inspected
Specify shaft substrate (circle): metal fibrous elasc lined metal masonry
fibrous class board tle\-duct wood
Accessible fire dampers Est. total tv No. locations ins ected
Pipes mechanical equipment. etc. located in sha ft P
Return air distribution (if servicing exhaust air):
Exhaust air inlet(s) Lst. total qh' _ No. locations inspected_C_
Specify shaft substrate (circle): metal fibrous class lined metal mason-v
fb:o•as e i ka r:, :;_c _< _
T
- Accessible fire dampers Est. total qty No locations inspected ,JQ
Pipes'mechanical equipment etc located in shaft
Other (specify):
Other Information: I I I
General impression (indicate recommendations for cleaning based on
finding of 11'I'C dust):
I ./J w -c naS,
r.Du.v0
r1:E1': NP = not t; NF = not found; I = inaccessible: U = unknown
NYC-WTC 000130415
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