Addendum defining scope for cleaning World Trade Center dust from ventilation components including ducts, coils, and filters.
NYC-WTC_000140297Folder label: “SCOPES OF WORK IN DOOR AIR & CLEANING”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
ADDENDUM #2 World Trade Center Dust Cleaning Program Monitoring Contract Scope of Work
- Outside air intake louvers, grates and screens - Outside air duct — Outside air dampers - Return air grilles - Return air plenum — Return air plenum damper - Return air ducts - Turning vanes > - Mixing chambers - Filter rack - Filter banks/media - Pre-heat coils - Cooling coils - Re-heat coils - Humidification and/or air cleaning equipment - Fire dampers - In-line re-heat coils - Interior insulation - Duct connectors - Blower assembly including blower wheel, blower housing, air vanes, in-line noise attenuators, acoustical treatments (e.g., baffles, duct linings) - Condensate drain pan - Condensate accumulator - Supply air plenum - Supply air plenum damper - Supply plenum or supply duct linings — Supply air ducts (high and low pressure) - Supply air diffusers — Terminal boxes - Open or ducted passive ventilation shafts
6.5 Evaluation Procedures
6.5.1 Accessibility
6.5.1.1 Locate System Components Accessible for Visual Inspection
The HVAC/Electrical Professional shall make an assessment of the accessibility of the various components of the system. For example, components may be enclosed within permanent sheet metal panels, or may be located above or behind solid plaster ceilings and walls.
NYC-WTC_000140297
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NYC-WTC_000140472
Addendum detailing all ventilation system components to be inspected and cleaned, including intake louvers, ducts, coils, blower assemblies, and duct linings at World Trade Center.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140471
Addendum listing required inspection equipment and typical HVAC system components for World Trade Center dust cleaning.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.947
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140296
Technical guidelines defining which ventilation components are included in the World Trade Center dust evaluation and where dust accumulation occurs.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.940
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140470
Guidelines for evaluating direct exhaust systems and identifying dust accumulation points in residential ventilation equipment.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.939
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140295
Identification of ventilation system components most likely to have WTC-related dust accumulation, including air intakes, dampers, filters, and downstream components.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.938
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140298
Addendum defining inspection scope for HVAC components at World Trade Center sites to assess dust accumulation.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.934
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140473
Addendum specifying accessible HVAC components for inspection and methods for accessing system elements during World Trade Center dust evaluation.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.934
machine-extracted · confidence unavailable · Check page ↗1 shared non-person entities · 1 shared topics · similarity 0.971
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000163408
Second addendum to monitoring scope including HVAC system checklist and inspection procedures.
1 shared non-person entities · 1 shared topics · similarity 0.961
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000132707
Inspection report documenting HVAC units at 257 Water Street identified as containing World Trade Center debris.
1 shared non-person entities · 1 shared topics · similarity 0.927
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000132808
Inspection form for HVAC units at a NYC address dated November 6, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.927
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000132702
Inspection report documenting HVAC units at 176 Broadway identified as containing World Trade Center debris.
1 shared non-person entities · 1 shared topics · similarity 0.925
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000163408
Second addendum to monitoring scope including HVAC system checklist and inspection procedures.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140472
Addendum detailing all ventilation system components to be inspected and cleaned, including intake louvers, ducts, coils, blower assemblies, and duct linings at World Trade Center.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.974 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000163408
Second addendum to monitoring scope including HVAC system checklist and inspection procedures.
Similarity score 0.974 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140471
Addendum listing required inspection equipment and typical HVAC system components for World Trade Center dust cleaning.
Similarity score 0.973 (not a probability)
machine-extracted · confidence unavailable · Check page ↗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.
NYC-WTC_000140280
Document header reiterating the requirement to preserve World Trade Center documents for potential legal proceedings against the City.
Filed in the same folder
Draft contract scope defining regulations and procedures for asbestos cleanup and air sampling assistance programs in Lower Manhattan.
Filed in the same folder
NYC-WTC_000140283
Contract excerpt specifying data submission protocols, laboratory delivery instructions, and monitoring responsibilities for the WTC project.
Filed in the same folder
NYC-WTC_000140284
Addendum to a City contract requiring contractors to handle property claims and authorizing additional financial retainage for performance security.
Filed in the same folder
NYC-WTC_000140286
Review comments on a proposed scope of work document regarding the roles of technicians and monitors in the World Trade Center cleanup process.
Filed in the same folder