NYC 9/11 Public Portal Document
2.4. Passive Shaft/Duct Visual Inspection Form Page 1 of I
Passive Shaft/Duct Identification:
Location: nn -- Area Served:
1Wd~
Surface Component
System Components wTC not
(NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate in last column] Present? Present? not
found
4
inaccessible
Outside air intake (if servicing supply air): Location:
Accessible for inspection? Y N (explain):
louvers, rates, screens or weather ca
Exhaust outlet/louver (if servicin exhaust air): Location:
Accessible for inspection? Y 7l\N (explain): A.)
1
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 last. 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 5 No. locations inspected_
Specify shaft substrate (circle): metal fibrous glass lined metal masonry ~/ N
i rous glass board flex-duct wood
Accessible fire dampers Est. total qty No. locations inspected IV P
Pipes/mechanical equipment, etc. located in shaft NP
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WW'TC dust):
:.ent; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133639
OCR can misread numbers and units. Confirm readings against the page image before using them.