Preliminary scope of work document for cleaning 114 Liberty Street,

NYC 9/11 Public Portal Document

3 2,4/0 Cleaning Procedures For

Asbestos Contractor — Cleaning Procedures

New York City Department of Environmental Protection Bureau of Environmental Compliance

Background

A site visit at 114 Liberty Street revealed minor amounts of dust accumulation present on horizontal surfaces throughout the interior of the building. The building is currently unoccupied. The interior cleaning is to be accomplished by a licensed asbestos abatement contractor.

Purpose

A New York State Department of Labor (NYSDOL) licensed asbestos contractor with NYCDEP and NYSDOL certified workers shall perform the clean-up of building interiors (12 stories —5,000 to 6,000 square feet per floor). Each apartment occupies an entire floor with the exception of the top floor that is a duplex and the apartment on the third floor that shares the floor with two commercial spaces. The entire interior of the building (residential, commercial, retail spaces, common spaces, etc.) is included in this work. The building has central HVAC systems on each floor.

Scope of Work

(1) All work performed shall be in compliance with all applicable, relevant, and appropriate regulations, including but not limited to those of the United States Environmental Protection Agency (USEPA), the United States Department of Labor, the New York State Department of Labor (NYSDOL), the New York State Department of Environmental Conservation, the New York City Department of Sanitation, the New York City Department of Health (NYCDOH), and the New York City Department of Environmental Protection. (NYCDEP).

(2) An ACP-7 form, asbestos project notification form 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. USEPA and NYSDOL notification shall be submitted.

(3) A third party air monitoring firm shall perform air sampling and provide project oversight.

(4) The asbestos contractor shall provide sufficient equipment and experienced personnel to complete work area preparation and cleaning activities of the building interiors within three (3) weeks. Water/electrical supply shall be provided by residents/owner. At least one asbestos supervisor shall be present per work area during the duration of the clean-up activities. Work shall be performed 24 hours per day, seven (7) days per week.

(5) Personal protective equipment including disposable clothing, gloves, and respirators shall - — during this clean-up activity.

(6) Warning signs shall be posted at the approach to each work area.

(7) A separate worker and waste decontamination enclosure system in compliance with Title 15, Chapter 1 of the RCNY shall be installed at the entrance to each work area. More than one work

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