NYC 9/11 Public Portal Document
2.4 Passive Shaft/Duct Visual Inspection Form Page 1 of 1
Passive Shaft/Duct Identification: ~YE{,n t- }{,AU.-, i
Location: nn Area Served:
O
Surface I Component
System Components
Dust/ VvTC
[NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust
4 not
present
indicate in last column) Present? Present? not
found
Outside air intake (if servicing supply air): Location:
Accessible for inspection? Y N (explain):
louvers, grates, screens or weather cap
Exhaust outlet/louver (if air): Location: (>O F
Accessible for inspection? s=(explain):
j
louvers, efates, screens or weather cap
Supply air distribution (if servicing suppl air):
Supply air outlet(s) Est. total qty I 2
No. locations inspected
Specify shaft substrate (circle): fibrousglasslinedmetal masonry
fibrous glass board flex-duct wood
Accessible fire dampers Est. total No. locations ins ected N r
Pi es/mechanical a ui ment, etc. located in shaft p
Return air distribution (if servicing exhaust air):
Exhaust air inlet(s) Est. total qty No. locations inspected
Specify shaft substrate (circle): metal fibrous glass lined metal masonry
3 fibrous glass board flex-duct wood
Accessible fire dampers Est. total gty No. locations inspected
Pipes/mechanical equipment, etc. located in shaft
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WW'TC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133764
OCR can misread numbers and units. Confirm readings against the page image before using them.