Debris removal and cleaning procedures for WTC apartments, Jun 2002

NYC 9/11 Public Portal Document

Scope of Work B

Application: A visual inspection was performed and the presence of accumulations of debris (including large or significant amounts of dust) fi-om the collapse of the WTC was identified by EPA or designee.

In some unique circumstances, Scope B may be applied on a limited basis within a unit as determined necessary by the Monitoring Contractor in consultation with EPA. Residents may be present depending on these unit specific circumstances. In cases where clean up areas can be isolated by closing doors or by the erection of containment barriers, the rcsidcn! may be present in the unit. 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 tor review and approval by I-PA prior to ihe start of work. This work plan will include detailed procedures for the removal of iktsi and debris and the cleaning.

2. An ACP-7 form asbestos project notification form shall be submitted, as required by Title 15, Chapter 1 of the RCNY, directly to the NYC DEP Asbestos Control Program prior to the start of work. NYS DOL notification shall be Mibinitted.

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 clean-up activity in accordance wr^OSHA rules and regulations. XbriA ■■■ AA

5. Wamip^ signs shall be posted at the approach to the work area.

6. A w orker decontamination enclosure system shall be installed at the entrance to the work area. A remote decontaniinatK m 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 NYCri) caress 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. ifll 8. Isolation barriers .shall be installed with two layers of 6-mil polyethylene sheeting and sealed

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 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.

NYC-WTC_000140325