Draft scope of work for WTC residential dust cleaning, August

NYC 9/11 Public Portal Document

number of properly trained and certified workers to clean 20 units simultaneously and complete the cleaning activities in each residence within no more than 2 days. The contractor shall be prepared to work 7 days per week between the hours of 8 am and 6 pm. Activities shall be coordinated with the Monitoring Contractor to ensure that the visual inspection is performed within two ho^^of the. corhpletion of cleaning activities. Cleaning activities shall be considered co feted upow visual inspection by the Monitoring Contractor. Copies of all invoices Kk contH this contract shall be provided to EPA and DEP. Decisions regarding dfl mburseme will be made by DEP.

All cleaning operations will be conducted in accordance with either Si or Sci as describe below.

HEPA means a filter system capable of trapping and retaining 99.9 mo-dispersed particles of 0.3 micrometers in diameter.

HEPA vacuum means a vacuum cleaner equipped with a HEPA with a stall 95 to 100 inches.

Scope of Work A Application: These procedures apply to the cleaning^^iinimal I^Kht coating). If a visual inspection indicates the presence of sigMrcant accujj Ration^ Bzor debris from the collapse of the WTC, Scope B procedures shallOplied (re^l Scope o: i). Residents may be present during Scope A cleaning procedujBT j

6. Cleaning of Common Spaces Common spaces including .11’ s, stairwa’ ^^interiors will be cleaned, if requesj^H^ the buildin^^^AH he Monitd nor in consultation with EPA, or ||e will Ltermine if ion areas including utility rooms. Bgmpacto^^^^H cleaning. If elevator shafts are determined to contain and or k^ill proceed under the Scope B site specific work plan. WoW from tnB continue through all common spaces in an orderly fasH descrip ^He minimum cleaning requirements for common space i^^P 1. acuuming ith the ceiling, continue down the walls and include floors.

Impermeable v\^H^^^^oors will be wet wiped using disposable wipes, after consultation wiiBmm^proval by owner. Wet wiping will not be conducted if it is determined th^■ would cause damage to the surface. 3. Carpets willjO^cleaned with a hot water extraction cleaner. The cleaner shall be equipped^^p ia motorized agitator brush and have a static water lift of 95 to 110 inche^^^r

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