NYC 9111 Public Portal Document
NYC DEN ASBESTOS CONTROL PROGRAM VAR#
ATTACHMENT IC
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APPLIES TO VARIANCE FROM TITLE 15, CHAPTER 1, RULES OF THE CITY OF NEW YORK,
SECTIONS 1-41(c), 1-41(d), 1-81(m), 1-82(a), 1-83(a) and 1-91.
[For Small Projects exclude 1-81(m), 1-82(a), 1-83(a) and 1-91, and add 1-106]
REQUIREMENTS FOR ABATEMENT OF ACM CAULKING MATERIALS FROM THE TOP OF THE PARAPET
WALL(S) ON TEE ROOF
1. The entire roof is considered the work area, unless barriers are use to identify
and restrict the work area.
2. All openings on the roof and other openings/windows within 20 feet of the affected
ACM coping stone caulking material shall be fully closed or sealed with one layer
of plastic.
3. Roof surfaces extending 5 feet on both sites and 6 feet in front shall be covered
with at least i 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.
• 4. At the base of the building, directly below the parapet wall to be abated, a
restricted area shall be established. This space shall be plasticized with 1 layer
of 6-mil plastic from 6 inches up the building exterior wall to the edge of the
sidewalk at least 5 feet away. It shall be cordoned off with clearly identifiable
asbestos hazard tape. At the end of each shift, the plastic has to be cleaned,
removed and disposed as asbestos waste.
5. The remote worker/waste decontamination enclosure system, shall be constructed in
accordance with Attachment D, and shall be erected on the roof of the building.
This unit shall be maintained in the work place for the duration of the abatement.
6. Each work area shall be supplied with appropriate tools, rags, a portable supply
of amended water, and a HEPA vacuum. After the ACM coping stone caulking material
is adequately wetted, it shall be stripped using hand tools. The stripped joints
shall then be HEPA vacuumed, and then wet-wiped, to remove any loose debris still
.in place or on the poly. All exposed joints shall be coated with a clear
encapsulant.
7. All ACM caulking material shall be bagged directly on detachment from the
substrate.
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NYC-WTC 000127810
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