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Asbestos abatement technical specifications, 130 Cedar Street, July 2004

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Technical specifications document prepared for asbestos abatement work at the 130 Cedar Street site.

NYC-WTC_000125579–000125652

Folder label: “130 CEDAR STREET

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NYC 9/11 Public Portal Document

Asbestos Abatement Technical Specifications For 130 Cedar Street, New York, NY bagged waste shall be transferred outside the clean room for • its final transfer for storage in an enclosed waste container.

2. Upon completion of the abatement, the enclosed surfaces shall be wet cleaned by using rags, mops or sponges and be lightly encapsulated with clear encapsulant to lockdown residual asbestos.

8.7 Electric Wire Insulation, Panel Board Removal, Transite Panel Removal, Fire Door Removal, Elevator Break Pad Removal,,Chimney Door Frame Caulk, Interior Fan Unit Caulking

1. Removal of ACM utilizing Modified Tent Procedures shall be conducted as follows:

a. All tent enclosures and contiguous spaces within a radius of 10 feet shall be roped off and regulated to allow only certified workers and authorized visitors to enter.

b. 15 RCNY § 1-141 shall be complied with except that (1) all tents shall be lined with 2 layers of plastic sheeting (6-mil thickness at a minimum), (2) the amounts of ACM that may be abated in each modified tent shall NOT EXCEED (a) 160 square feet, or (b) 260 linear feet, or © 160 combined feet (square plus linear), and (3) the total amount of ACM that may be abated at any one time In several modified tents shall NOT EXCEED 1,000 combined square feet plus linear feet. 10 c. All modified tents shall be fully framed (including horizontally across the top, if applicable) with 2x3 (minimum) wood or metal studs spaced not more than 36 inch center-to-center vertically around all sides (except at the entry/exit which shall not exceed 36 inch width); and

d. A minimum of one air volume change per 15 minutes through each modified tent shall be maintained.

e. . An airlock having at least 3 feet length between the two curtained doorways shall be constructed at the entrance to each and every tent If the decontamination unit is not attached to the tents, and

f. If a decontamination unit is not attached to each tent, located within each airlock there shall be extra clean and uncontaminated disposable protective suits (e.g., Tyveks), and one such clean suit shall be worn by each worker in the airlock, immediately after removal of the outer suit as per 15 RCNY § 1-141(k), before each worker exits any airlock.

g. Any decontamination unit that Is not attached to a tent (i.e., that is remote from a tent) shall be constructed in compliance with the requirements of Attachment R.

Prepared by JLC Environmental Consultants, Inc. Project No. 04-3271 Page 50

NYC-WTC 000125628

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NYC-WTC_000125628Source: NYC Law Department, mirrored locally

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