NYC 9/11 Public Portal Document
second negative pressure ventilation unit compatible with the primary unit may be connected
in series.
10. All WTC debris shall be misted and double-bagged. Accumulation of water is prohibited.
Water misting shall be sufficient to wet the material without water accumulations.
11. After the removal of debris, all surfaces will be cleaned in accordance with the procedures
specified in Scope A. After all surfaces have been cleaned, a second cleaning shall be
perfonned. This results in two full cleanings of all surfaces, with fife following exception.
Carpets and fabric covered furniture cleaned with hot water extraction cleaners shall be cleaned
only once. Surfaces include but are not limited to walls, flottrs, ceilings, ledges, trims,
appliances, equipment and furnishings. '- . " Y
12. ERA, in consultation with the owner, may identify certain furnishings (e.g. caf^^rod fabric
covered furniture) for disposal rather than cleaning. Disposal of residents’ personal property
shall not occur without prior written authorization bY ERA and the owner. Disposal of all
wastes generated during the cleaning shall be llic responsibility of the contractor. All waste
generated shall be treated as asbestos-containing material (ACM). Transportation and disposal
of generated waste shall be in compliance with all applicable rules and regulations.
13. A Cleaning Checklist (to be develop^^y ERA) will be completed by the cleaning contractor
as tasks are completed to document the [irogress of the cleaning.
14. The cleaning contractor shall noti fy the monitoring ^tractor immediately upon completion
of the cleaning. The Monitoring Contractor will conduct a thorough visual inspection to verify
the absence of visible dust accumulations, o If dust is observed the cleaning contractor will
redean aS necessary al no additional cost, •
15. Air sampling shall be performed by the Air Sampling Technician after the area is free of dust
accumulations as determined by the Monitoring Contractor..
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16. Aftefclidcessful clearance air monitoring, isolation barriers shall be removed in coiyunction
with the use of a HEPA,vacuum.
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17 . Any damage or loss that occurs during cleaning is the responsibility of the cleaning contractor.
. The cleaning contractor is not responsible for damage or loss caused by the acts of third parties
^laot involved inltf cleaning.
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IS.'..; work shall be in compliance with all other applicable requirements of Title 15, Chapter 1
^'’’^fthe*RCNY and New York Industrial Code Rule 56.
19. If mold, suspected ACM or peeling, flaking or chalking paint is observed, the cleaning
contractor shall immediately contact the Monitoring Contractor.
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NYC-WTC_000140496
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