NYC 9/11 Public Portal Document
activities. Equipment shall run continuously until clearance air monitoring. A minimum of one
air change every 30 minutes shall be provided. When ducting to the outside is not possible, a
second negative pressure ventilation unit compatible with the primary unit may be connected
in series. j
26. All WTC debris shall be misted and double-bagged. Accumulatio pter in
Water misting shall be sufficient to wet the material without wat^ ulations.
27. After the removal of debris, all surfaces will be cleaned in accA nee with t^^ocedui^H
specified in Scope A. After all surfaces have been cleanecO lecond apraiing shall bo
performed. This results in two full cleanings of all surfaces, V exception.
Carpets and fabric covered furniture cleaned with hot water^ ^^^bdeaners shall be
cleaned only once. Surfaces include but are not limited to walls, fl< ^^^^^^^edges, trims.
appliances, equipment and furnishings.
28. EPA, in consultation with the owner, may identify certain J ^ings (c.g.^M ^^Woric
covered furniture) for disposal rather than cleaning. ^ksidents’ peS ^■pcrty
shall not occur without prior written authorizatioi^^HB ^^^^ner. Di ■TofaU
wastes generated during the cleaning shall be tl^^^onsil ^^^^^ontractQ All waste
generated shall be treated as asbestos-containuKmaterial Knd disposal
of generated waste shall be in, compliance all applioKle rula ions.
29. A Cleaning Checklist (to be developi ,PA) wi' P completei the cleaning contractor
as tasks are completed to document )gress^ le cleaning
30. The cleaning contractor sha lOti the monitd ^^Wmmediately upon completion
of the ing. The M 'ontractorl ^a thorough visual inspection to
ver^ Knee of vM emulation! is observed the cleaning contractor
^^|cessary cost.
31. Air samplr^ irformedW Ippling Technician after the area is free of dust
accumulatioj ^cd by thi ng Contractor..
32. AftoK^essful deal litoring, isolation harriers shall he removed in conjunction
wjilrae use of a HEP.
33. ^ny damage or loss thal (cculs during cleaning is the responsibility of the cleaning contractor.
The cleaning contracJ r is not responsible for damage or loss caused by the acts of third
parties not involved^® le cleaning.
work shai compliance with all other applicable requirements of Title 15, Chapter 1
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NYC-WTC_000154334
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