EPA review letter, 133-135 Greenwich Street

NYC 9/11 Public Portal Document

Part I: Work Plan — Decontamination/Deconstruction 133-135 Greenwich Street and 21-23 Thames Street Airtek Project 05-0701— Rev 3 September 16, 2005

Sealed and/or covered transport

The listed controls are intended as a guideline. It is the responsibility of the Contractor to implement whatever engineering control is required (whether above-listed or not) to prevent fugitive dust.

Failure to suppress dust that results in visible fugitive emissions from the site will result In a work stoppage. Work will not be re-started until adequate corrective measures have been implemented to the satisfaction of the Site Hygienist. The procedures to be followed with regards to visible emissions are specified in the ECAMP (Part II of the Submittal).

8.3 Site Protection:

A sidewalk bridge exists along Greenwich and Thames Streets and will remain in place for the duration of Contractor's work. The sidewalk bridges have been installed and arc maintained by the LMDC, not the owner of the site. Contractor is responsible to protect the sidewalk bridge during demolition. In the event a portion or section of the bridge needs to be removed and/or relocated, contractor will coordinate this work with the owner. ?

The Contractor will be responsible for all temporary protection to any adjacent buildings and/or lots. Contractor will include rooftop protection, sidewalk bridges as required to perform this work.

Contractor will maintain the project site, adjacent sidewalks and streets free from debris and garbage, including daily sweeping of sidewalks for the duration of contractor's work.

Contractor will provide and maintain a plywood fence along Greenwich and Thames Streets with gates along the front and side of the property. All work to be coordinated with NYC DOB temporary fence permit. Upon completion of the Contractor's work, the fence and gates will be left in an acceptable condition, with gates in locations approved by, and coordinated with, the General Contractor. General Contractor will obtain fence permit(s) and maintain permit(s) for the duration of the project. Fence will comply with NYC Department of Building requirements and will be constructed of minimum 5/8" exterior grade plywood 00 one si ) on two by four frames. Fence will be painted Dark Blue and will have' ost No Bills" painted a maximum of 10 feet on center. Fence will be constructed with wood or metal posts at regular intervals. Post will be sunk into the ground as required to make them free standing without bracing or outriggers. Fence will be constructed such that sections of it are easily removable without disturbing remaining sections. Blind spots will not be created on sidewalk.

8.4 Waste Management — Conventional Demolition:

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NYC-WTC 000134186