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WTC Dust Cleaning Scope of Work Draft, July 2002

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Draft scope of work for a DEP and EPA program providing cleaning assistance to residents south of Canal Street.

NYC-WTC_000140489–000140496

Folder label: “SCOPES OF WORK IN DOOR AIR & CLEANING

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NYC 9/11 Public Portal Document

Scope of Work B

Application: A visual inspection was performed and large or significant accumulations of dust or debris from the collapse of the WTC was observed in common areas, residences or portions thereof (such as windows, terraces or balconies).

Residents will not be allowed in the work area. Residents may be present in the r^tence during cleaning in cases where the work area can be isolated by the erection of isolation barriers. In all other applications of Scope B it is assumed that residents will not be present in the residence.

1. A site specific work plan will be prepared by the cleaning contractor for review and approval by EPA prior to the start of work. This work plan will include detailed procedures for the removal of dust and debris and the cleaning. At a minimum foe procedures specified for a Scope A cleaning shall be implemented. a- , ,

2. An asbestos project notification form (NYC form ACP-7) shall be submitted, as required by Title 15, Chapter 1 of the Rules of the City of New York (RCNY), directly to the NYC DEP Asbestos Control Program prior to the start of work. NA'S DOL notification shall also be submitted. '-.f'

3. At least one asbestos supervisor shall be present at each work place (work place is defined in Title 15, 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 cleaning activity. tv

5. Warning signs sh: le posted at the approach to the work area. > a:,-'.

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 New York City Fire Department egress requirements. al'' 7. fTVAC 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 •ri/Ohutdown or isolation. I 8 “'' Isoi^ion ljai^Ws shall be installed with two layers of 6-mil polyethylene sheeting and sealed . Jwith tape. 9 Negative pressure ventilation equipment shall be installed and operated during all cleaning activities. Equipment shall run continuously until clearance air monitoring. A minimum of one air change every 30 minutes shall be provided. When ducting to the outside is not possible, a

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NYC-WTC_000140281 · Box DEP Box 05

Draft contract scope defining regulations and procedures for asbestos cleanup and air sampling assistance programs in Lower Manhattan.

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