NYC 9/11 Public Portal Document
Scope of WorkB
Application: A visual inspection was performed and large or significant accumulations ofdust or debris from
the collapse ofthe WTC was observed in common spaces, 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 residence during cleaning in
cases where the work area can be isolated by the erection ofisolation barriers. In all other applications of
Scope B it is assumed that residents will not be present in the residence.
1. The cleaning contractor shall meet with EPA or the Project Monitor ifrequested, to discuss site
specific procedures for debris removal, isolation of the work space and worker decontamination.
2. An asbestos project notification form (NYC form ACP-7) shall be submitted, as required by Title
15,Chapter 1 oftheRulesoftheCityofNewYork(RCNY), directlytotheNYCDEP Asbestos
Control Program prior to the start of work. NYS DOL notification may also be required.
3. At least one asbestos supervisor shall be present at each work place (work place is defined in Title
75, Chapter 1 of 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.
5. Warning signs shall be posted at all of the approach to the work area.
6. A decontamination enclosure system shall be installed at the entrance to the work area. The shower
room shall be equipped with at least a 6-foot flexible hose for waste decontamination. A remote
holding area with a lockable door for waste shall be located at the site and shall comply with all
applicable storage rules and regulations. Waste removal shall not occur during worker shift changes
or when workers are showering or changing. An entry/exit log in compliance with the requirements
set forth in Title 15, Chapter 1 of RCNY shall be maintained in the clean room. 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.
7. HVAC systems shall be shut down and locked out or isolated locally.
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 cleaning activities.
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