EPA circulates latest draft scopes of work for WTC indoor dust cleaning program requesting comments.
NYC-WTC_000138743–000138757Folder label: “E-Mails Hotline M. Gilsenan”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Scope of Work B
Application: A visual inspection was performed and the presence ofsignificant accumulations ofdust and/or debris from the collapse of the WTC was identified by USEPA or designee. In some unique circumstances, Scope B maybe applied on a limited basis within a unit as determined necessaryby the Monitoring Contractor in consultation with EPA. Residents may be present depending on these unit specific circumstances. In all other applications of Scope B it is assumed that residents will not be present.
1. A site specific work plan will be prepared for review and approval by USEPA prior to the start ofwork. This work plan will include detailed procedures for the removal ofdust and debris and the cleaning.
2. An ACP-7 form asbestos project notification form shall be submitted directly to the NYC DEP Asbestos Control Program prior to the start ofwork. NY S DOL notification shall be submitted.
3. 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).
4. Personal protective equipment including disposable clothing, gloves, and respirators shall be worn during this clean-up activity in accordance with OSHA rules and regulations.
5. Warning signs shall be posted at the approach to the work area.
6. 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.
7. HVAC systems shall be shut down and locked out or isolated locally. The site specific work plan shall provide additional information on the HVAC system and proposed procedures for shutdown or isolation.
8. Isolation barriers shall be installed with two layers of6-mil polyethylene sheeting and sealed with tape.
9. Negative pressure ventilation equipment shall be installed and operated during all clean-up activities. Equipment shall run continuously until clearance air monitoring. A minimum ofone 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.
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NYC-WTC_000138749
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NYC-WTC_000138659
Circulation of latest draft cleaning and monitoring statement of works for WTC for review and comment.
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Distribution of revised scopes of work documents for WTC indoor cleaning and monitoring contracts.
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DEP requests review of attached Scope of Work documents for mold remediation and air monitoring contracts.
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Administrative notice instructs staff to preserve original World Trade Center documents for potential litigation.
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Internal DEP correspondence discussing EPA draft scope of work for WTC program and clarifying agency roles and responsibilities.
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EPA transmits revised scopes of work for WTC indoor cleaning and monitoring contracts to DEP.
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EPA request for review and feedback on draft scope of work documents for WTC cleaning and air monitoring contractors.
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Forwarded draft Statements of Work for cleaning and monitoring activities requiring review by noon.
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Final scope of work documents for indoor dust cleaning and monitoring contractor activities in WTC cleanup program.
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NYC-WTC_000138377
DEP memo documenting closure of environmental assistance desk following decline in public inquiries about water quality, air quality, asbestos, and dust.
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