Asbestos Project Notification Form

NYC 9/11 Public Portal Document

Mr Rajappan Radhakrishnan—NYC DEP 21-23 Thames Street Variance Request Airtek Project 05-0701— June 9, 2005

In order to allow a working space for access/egress, and to keep the S Decontamination facility out of the work area, a preliminary soft strip and clean- up of the 133 Greenwich Street retail store area. This abatement will be conducted according to Subchapter G with a Personnel Decon exterior to the building. Attachment DW will be used to allow the cleaning of the small amount of waste for this preliminary phase. Upon satisfactory Clearance by TEM, this Decon will be dismantled, and a Decon facility will be established in the cleaned entry space to support the balance of the decontamination.

Phase II — Soft Strip:

All interior materials, including moveable objects, will be subject to decontamination and removal or, if porous, will be bagged and disposed of as ACM waste. All ceiling systems (plaster, tiles, sheetrock, etc.), wall systems (plaster, wall board, etc.), and floor systems, (tiles, carpet, etc.) will be removed and bagged for disposal as ACM waste. Remaining structural members, pipes, boiler and freezer boxes will be wet-wiped, HEPA vacuumed, and encapsulated with a penetrating encapsulant. All accessible interstitial spaces will be wet- wiped, HEPA-vacuumed, and encapsulated. Operable windows will be articulated, wet wiped, HEPA-vacuumed, and encapsulated.

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Phase III — In Place Interior Friable ACM:

Upon completion of the soft strip phase, interior friable ACM will be abated.

1. Pipe Insulation —50 if

Following 2d and 3 1 cleanings and the settling periods, final air testing will be conducted by TEM. Upon successful clearance air testing, the building will be turned over to the demolition contractor for conventional demolition.

Phase IV - In Place Exterior ACM:

In-place ACM has been identified as follows:

1. Roof Membrane — 350 sf 2. Roof Flashing —100 sf 3. Bulkhead Tar — 20 s£ 4. Window Caulk— 9 sf (2101f) 5. Coping Stone Caulk —1 sf

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NYC-WTC 000127798