Memo recommending cleaning of lobby and roof HVAC units at 50 [Street] due to WTC dust found during inspection.
NYC-WTC_000133793–000133805
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
2.4 Passive Shaft/Duct Visual Inspection Form Page 1 of 1
Passive Shaft/Duct Identification: ' Location: n Area Served: r
L Surface Component System Components Dust/ WTC l; not [NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present indicate in last column] Present? Present? 4 not found 4 Inaccessible Outside air intake (if servicing supply air): Location:
Accessible for inspection? Y N (explain):
louvers, grates, screens or weather cap Exhaust outlet/louver (if servicing exhaust air): Location:
Accessible for inspection? Y N (explain):
louvers, rates, screens or weather ca rJ 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 Est. 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 No. Iocations inspected Specify shaft substrate (circle): metal fibrous glass lined metal masonry N fibrous glass board flex-duct wood Accessible fire dampers Est. total gty No. locations inspected Ill Pies/mechanical a ui ment, etc. located in shaft Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133800
OCR can misread numbers and units. Confirm readings against the page image before using them.
Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000133629
Memo from Cole Consulting recommending cleaning of HVAC components at 50 [Street] following visual inspection for WTC dust in February 2003.
6 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000133762
Cole Consulting identifies impacted HVAC units at 50 [Street] requiring cleaning due to WTC dust found during a February 2003 inspection.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000130411
Memo from Cole Consulting Corporation recommending no HVAC cleaning at 118 Chambers Street due to lack of WTC dust.
5 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000130428
Memo from Cole Consulting Corporation recommending no HVAC cleaning at a building on the WTC site due to lack of WTC dust.
5 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139961
Inspection form template for documenting debris and dust presence in passive ventilation shafts.
2 shared non-person entities · 1 shared topics · similarity 0.985
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140023
Inspection form for HVAC components including outside air intake and exhaust outlets, assessing accessibility and presence of WTC dust contamination.
2 shared non-person entities · 1 shared topics · similarity 0.985
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139940
Form to inspect supply and exhaust outlets, grates, and duct substrates for contamination or damage.
2 shared non-person entities · 1 shared topics · similarity 0.985
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139872
Inspection record for supply air outlets and duct substrates, checking for accessibility and debris presence.
2 shared non-person entities · 1 shared topics · similarity 0.985
machine-extracted · confidence unavailable · Check page ↗5 shared non-person entities · 1 shared topics · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000113892
Invoice from Athenica Environmental Services for HVAC and environmental inspections performed at 380 Rector Place on January 13, 2003.
3 shared non-person entities · 1 shared topics · similarity 0.973
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000117345
January 30, 2003 letter from Athenica Environmental Services regarding HVAC and environmental inspections at 250 South End Avenue.
3 shared non-person entities · 1 shared topics · similarity 0.973
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000131909
Blank ventilation system evaluation form for recording building details and inspection data.
2 shared non-person entities · 1 shared topics · similarity 0.973
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
Page similarity is temporarily unavailable or this page has no indexed vector.
Machine-extracted building matches; verify each source. Buildings, never households.
Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
Memo from Cole Consulting recommending cleaning of HVAC components at 50 [Street] following visual inspection for WTC dust in February 2003.
Similar indexed content
Memo from Cole Consulting Corporation recommending no HVAC cleaning at 118 Chambers Street due to lack of WTC dust.
Similar indexed content
Memo from Cole Consulting Corporation recommending no HVAC cleaning at a building on the WTC site due to lack of WTC dust.
Similar indexed content
NYC-WTC_000139961
Inspection form template for documenting debris and dust presence in passive ventilation shafts.
Similar indexed content
NYC-WTC_000140023
Inspection form for HVAC components including outside air intake and exhaust outlets, assessing accessibility and presence of WTC dust contamination.
Similar indexed content