NYC 9/11 Public Portal Document
Asbestos Abatement Technical Specifications
For 130 Cedar Street, New York, NY
• 2.4 Smoke tubes shall be used to test the effectiveness of the work, area barrier
and the worker and equipment decontamination systems before abatement
work begins with the negative pressure ventilation units in operation and at
least once a day thereafter until the work is completed. Results and
observations shall be documented in the project logbook.
2.5 At any time during the abatement activities after barriers have been erected, if
visible material is observed outside of the work area or if damage occurs to
barriers, work shall stop immediately, repairs made to barriers, and
debris/residue cleaned up using appropriate HEPA vacuums or wet mopping
procedures.
2.6 If samples collected outside of the work area during abatement activities
indicate airborne fiber concentrations greater than 0.01 f/cc or pre-measured
background levels (whichever is lower), work shall immediately stop for
inspection and repair of barriers. Cleanup of surfaces outside of the work
area, using HEPA vacuums or wet cleaning techniques, may be necessary.
b. Disposal shall be at an approved landfill, transfer at a licensed transfer
station and a manifest form will be signed by the landfill owner
documenting receipt and acceptance of the ACW.
•
Prepared by JLC Environmental Consultants, Inc. Project No. 04-3271 Page 36
NYC-WTC 000125614
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