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.
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5. Warning signs sh: le posted at the approach to the work area.
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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.
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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.
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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_000140495
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