NYC 9/11 Public Portal Document
Asbestos Abatement Technical Specifications
For 130 Cedar Street, New York, NY
4. After the removal of pipe insulation, the pipe shall be sprayed with
amended water and brush-scrubbed to remove all visible ACM. Prior
to glovebag detachment a coat of pigmented (non-transparent)
encapsulating agent shall be applied to the pipe surface, from which
ACM was removed.
5. A minimum of two (2) continuous work area air samples shall be taken
outside the tent concurrently with the abatement.
6. Post-abatement clearance air monitoring shall be conducted in
compliance with 15 RCNY & 1-43 (except 15 RCNY & 1-43 (b) and
(c)) with a minimum of two (2) area air samples in each tent.
7. Post-abatement clearance monitoring shall be conducted in
compliance with 15 RCNY & 1-43 (except 15 RCNY & 1-42 (b) and
(c)) outside the tent if:
a) The integrity of the tent was compromised and/or visible
emissions were detected outside the tent.
b) Area air samples taken outside the tent during abatement
exceeded 0.01 f/cc or the background level.
8.4 Removal of Skylight CaulkinglTar and Coping Stone Tar On the Roof:
Removal of asbestos-containing tar materials from the parapet walls
described in this Specification and NYCDEP Applicable Variance -
Attachment IC, "Requirements For Abatement Of ACM Caulking Materials
From The Top Of The Parapet Wall(s) On The Roof".
1. The work will be performed during normal work hours.
2. The entire roof is considered the work area, unless barriers are
erected to Identify and restrict the work area.
3. All openings on the roof and other openings/windows within 20 feet of
the affected ACM shall be fully closed or sealed with one (1) layer of
plastic.
4. Roof surfaces extending 5 feet on both sides and 6 feet in front, shall
be covered with at least one (1) layer of 6-mil plastic, along the length
of the parapet wall to be abated. The plastic layers on the roof
surfaces shall extend 6 inches up the parapet wall.
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Prepared by JLC Environmental Consultants, Inc. Project No. 04-3271 Page 46
NYC-WTC 000125624
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