Procedures for light dust removal including HEPA vacuuming and wet-wiping with contractor licensing requirements.
NYC-WTC_000140600–000140602Folder label: “SCOPES OF WORK IN DOOR AIR & CLEANING”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
to’"'* Indoor Clean-up Activities Scope of Work
Application: A visual inspection was performed and visible accumulations of debris from the collapse of the WTC was identified.
1. All work shall be performed by a NYSDOL licensed contractor with NYSDOL- and NYC DEP- certified workers.
2. An ACP-7 form asbestos project notification form shall be submitted directly to the NYCDEP Asbestos Control Program prior to the start of work. NYS DOL notification shall be submitted.
3. A third party air monitoring firm shall perform air sampling. The person who conducts sampling shall possess a valid NYS DOL certificate.
4. At least one asbestos supervisor shall be present at each work place (work place is defined in Title 14, Chapter 1 RCNY as the work area and the decontamination enclosure system).
5. Personal protective equipment including disposable clothing, gloves, and respirators in accordance with OSHA rules and regulations.
6. Warning signs shall be posted at the approach to the work area.
7. A worker decontamination enclosure system shall be installed at the entrance to the work area. A remote decontamination enclosure system shall be considered when appropriate i.e. inability to comply with the provision due to space limitation or other agency rules, such as for compliance with NYCFD egress requirements.
8. HVAC systems shall be shut down and locked out or isolated locally.
9. Isolation barriers shall be installed with two layers of 6-mil polyethylene sheeting and sealed with tape.
10. Negative pressure ventilation equipment shall be installed for and operated during all clean-up activities. Equipment shall run continuously imtil clearance air monitoring. A minimum of one air change every 30 minutes shall be provided. When ducting to the outside is not possible, a second negative pressure ventilation unit compatible with the primary unit capacity may be connected in series.
11. All debris shall be misled and bagged directly. Accumulation of water is prohibited. Water misting shall be sufficient to wet the material without water accumulations. After the removal of debris accumulations all surfaces shall be wet wiped and HEPA
NYC-WTC_000140601
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Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000140591
Procedural document outlining requirements for cleaning visible debris accumulations and project notifications.
4 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.979
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140523
Draft scope of work document outlining regulations and procedures for residential dust cleanup and air sampling following the World Trade Center collapse.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.978
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140517
Departmental comments and requests for clarification regarding cleaning triggers, clearance levels, and supervision requirements.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140504
Contract introduction outlining EPA and DEP assistance programs for residential air sampling and cleaning after the World Trade Center collapse.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140531
Draft scope of work document outlining regulations and procedures for residential dust cleanup and air sampling following the World Trade Center collapse.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.975
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140443
Draft contract scope outlining compliance requirements and a direct assistance program for residents south of Canal Street.
5 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.971
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000154306
Letter from DEP Bureau of Environmental Compliance reviewing the draft scope of work for the World Trade Center indoor dust cleaning program.
5 shared non-person entities · 1 shared topics · similarity 0.974
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000151471
Letter advising EPA that DEP's Bureau of Environmental Compliance reviewed the draft cleaning contract scope for World Trade Center indoor dust cleaning.
5 shared non-person entities · 1 shared topics · similarity 0.974
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000107808
Permit application for asbestos abatement contractor to clean interiors of a building at 125 [name].
4 shared non-person entities · 1 shared topics · similarity 0.973
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000107407
Permit application detailing background debris conditions and requirements for licensed contractors to clean interior surfaces.
4 shared non-person entities · 1 shared topics · similarity 0.973
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000107379
Formal request by a resident for the Department of Environmental Protection to perform cleaning and monitoring work at their apartment.
4 shared non-person entities · 1 shared topics · similarity 0.971
machine-extracted · confidence unavailable · Check page ↗4 shared non-person entities · 1 shared topics · similarity 0.971
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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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