Technical specifications document prepared for asbestos abatement work at the 130 Cedar Street site.
NYC-WTC_000125579–000125652Folder label: “130 CEDAR STREET”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Asbestos Abatement Technical Specifications For 130 Cedar Street, New York, NY equipment not equipped with HEPA filters, shall not be used. ~7 If tent is inside of the building, install two layers of polyethylene sheeting outside and around the window frame and caulking, sealing it to form an airtight barrier between the window and caulking and the exterior of the building. If tent is outside of the building, install two layers of polyethylene sheeting inside and around the window frame and caulking, sealing it to form an airtight barrier between the window and caulking and the interior of the building.
j. 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). Tents shall be constructed to a size, which Is able to effectively manage the large size of the window frame.
k. All tents shall be lined with 2 layers of plastic sheeting (6-mil thickness at a minimum).
A minimum of one air volume change per 15 minutes through each modified tent shall be maintained.
• m. An airlock having at least 3 feet length between the two curtained doorways shall be constructed at the entrance to each and every tent.
n. 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, before each worker exits any airlock.
o. After tent enclosure successfully passes the Authority's Environmental Consultant Pre-Removal inspection, including smoke testing, the removal of the frame can commence.
p. Remove frame and bag or wrap with one layer of polyethylene and seal airtight within the tent.
q. After the ACM removal and bagging/wrapping, the bagged/wrapped waste shall be HEPA-vacuumed then wet cleaned and transferred into the airlock or into the shower room for double bagging/wrapping, and thereafter the double- bagged/wrapped waste shall be transferred outside the airlock or outside the clean room for its final transfer for storage in an enclosed waste container.
• Prepared by JLC Environmental Consultants, Inc. Project No. 04-3271 Page 54
NYC-WTC 000125632
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Correspondence submitting updated asbestos project documentation to the DEP for 130 Cedar Street.
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