NYC 9/11 Public Portal Document
2.4 Passive Shaft/Duct Visual Inspection Form Page I of I
Passive Shaft/Duct Identification:
Location: Area Served:
~v F
ii Surface Component
System Components Dust/ WW'TC F 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
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 servicing exhaust air): Location: ,2 r-
Accessible for inspection? Y ✓ N (explain):
louvers, grates, screens or weather cap tiJ
Supply air distribution (if servicing supply air):
Supply air outlet(s) Est. total qty No. locations inspected
Specify shaft substrate (circle): em tal fibrous Blass lined metal masonry
fibrous class board flex-duct 1%•oo
Accessible fire dam ers Est. total No. locations ins ected
Pipes/mechanical equipment, etc. located in shaft P
eturn air distribution (if servicing exhaust air):
Exhaust air inlet(s) Est. total qty f No. locations inspected U
Specify shaft substrate (circle): meta fibrous class lined metal masonry 7-
i rous ¢lay= b. '. P r -dcci
Accessible fire dam ers Est. total No. locations ins ected AP
Pi es/mechanical a ui ment, etc. located in shaft v r7
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
NJ Lr C
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000130433
OCR can misread numbers and units. Confirm readings against the page image before using them.