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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 procedures. The required minimum width of such doors must be at least four (4) feet wide.

g) A daily log of personnel entering the work area shall be maintained in •

order to control the access to the decon unit and work area.

h) Visitors and inspectors shall be provided with information and personnel protective equipment upon request and with proper identification.

i) A decon unit shall be constructed in accordance with the applicable regulations including SubChapter G, Part I & 2 of NYCDEP Title 15 for pre demolition abatement activities and any applicable variances from the NYC-DEP Asbestos Regulations.

j) Two (2) layers of 6-mil, fire-retardant polyethylene sheeting shall be placed on walls, floors and ceilings.

k) Sufficient air filtration devices (AFD) units shall be used to insure four (4) air changes in work area per hour.

I) Material *to be removed shall be sufficiently wetted with amended water prior to removal.

m) Workers will wear respiratory protection as required by OSHA during abatement and clean up.

n) Materials will be removed and bagged daily. No ACM debris shall be left on the floor during the work shift or overnight.

o) Bagged waste will be removed from the work area, double bagged in either the decontamination area or separate bag exit chamber, and stored in a stationary, sealed container.

4.6 Final Clean-Up of Containment Area:

a) All surfaces in the work area shall be cleaned using a fine spray or mist of amended water or removal encapsulant followed by wet wiping using disposable cloths. These cloths shall be disposed of or rinsed thoroughly. and frequently to prevent visible accumulation of debris. Surfaces must be allowed to dry before proceeding to next cleaning step.

b) After a satisfactory pre-sealant inspection, all surfaces not undergoing abatement are to be coated with sealant. Surfaces to be sealed include polyethylene that has been used to cover walls, floors and ceiling non-removal fixtures. After encapsulant dries, the first layer of polyethylene sheeting shall be removed, rolled up (contaminated side inward) and packaged properly for disposal. Wet cleaning of all walls, floors, ceilings and other fixtures and surfaces shall then be completed. Allow for surfaces to dry and repeat procedures. Plastic

Prepared by JLC Environmental Consultants, Inc. Project No. 04-3271 Page 17

NYC-WTC 000125595

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NYC-WTC_000125595Source: NYC Law Department, mirrored locally

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