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DEP memo on EPA scope of work roles and indemnification,

Machine-extracted title · confidence 50%

Memo discusses finalizing agency roles in the monitoring program and addresses required indemnification letters and right of entry issues.

NYC-WTC_000139830–000139851

Folder label: “E-Mails Sent M. Gilsenan 2001-2002

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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 rg^ence during cleaning in cases where the work area can be isolated by the erection of isolation bi B^s. In all other applications of Scope B it is assumed that residents will not be ||esent in theresi ice.

1. A site specific work plan will be prepared by the cleaning contractor for f Bi^and appro^I by EPA prior to the start of work. This work plan will include detailed ocedures for the ‘IS J removal of dust and debris and the cleaning. At a minimum the procedi s specmed for a Scope A cleaning shall be implemented.

2. An asbestos project notification form (NYC form ACP-7) shi Il submitted, as required by Title 15, Chapter 1 of the Rules of the City of New York (RC 0, directly to the NYC DEP Asbestos Control Program prior to the start ofiWork. NYs OL notification shall also be subnritted.

3. At least one asbestos supervisor s ateac iice (work place is defined in Title 75, Chapter 1 RCNY as the vOrk area the^ ation enclosure system).

4. Personal protective equipm^i^^ tuding disposable ciothing, gloves, and respirators shall be worn during this cleaning -r 5. Wi shall be poste attheaWii <6 the work area.

6. A worker deco ntaminatione system shall be installed at the entrance to the work area. A remote deco- BOhnation 1 System shall be considered when appropriate, i.e. inability to comph^ii ^^vision dl to space limitation or other agency rules, such as for compliance wii York City Fire Department egress requirements.

7. ' II J^AC systems shaj i^||Kut down and locked out or isolated locally. The site specific work ^lan shall provide additional information on the HVAC system and proposed procedures for shutdown or isolBBn.

8 Isolaitionhar shall be installed with two layers of 6-mil polyethylene sheeting and sealed with

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

7

NYC-WTC_000139850

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NYC-WTC_000139850Source: NYC Law Department, mirrored locally

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