Draft scope of work for WTC residential dust cleaning, August

NYC 9/11 Public Portal Document

7. Cleaning of HVAC Systems HVAC systems that are determined to be impacted by dust or debris from the collapse of the World Trade Center will be cleaned. HVAC systems cleaning, if warranted, shall be completed prior to the initiation of the cleaning of common space or residences an affected building. In the event that the HVAC system for an entire building requir^^^Bk^ a separate, site specific contract will be awarded by DEP for this w only^ an HVAC system requires cleaning, then the cleaning contractor^ raduct th utilizing specialized labor trained and experienced in duct cleanj AC cleai^ conducted in accordance with National Air Duct Cleaners Am ation (NAHCa) GenoH Specification for the Cleaning of Commercial Heating, Venw ng and ^^Conditioning Systems and the NADCA Assessment, Cleaning and RestoraB ^^^(ACR 2002). Verification of the effectiveness of HVAC system cleaning* ^^^^^rmined by the Monitoring Contractor. If visible dust or other contaminants l^^^^^^ough visual inspection or testing, those portions of the system where dust or oj present shall be recleaned and subjected to reinspection for cleanline^

8. Cleaning of Residential Spaces Residences will be cleaned using HEPA vacuums, lu^m b^leaners atnHFwipes as described below. Surfaces to be cleaned includ^^^arem ^^^lls, flj^^ceilings, ledges, trims, furnishings, appliances, equim^Kt, etc. BKapH ^^^^b^Khall not be applied. Dry sweeping is prohibited. The oBKiing conh^or wu^ ^^^^^^side drawers, cabinets, breakfi-onts, etagers and similar^Klosed stooge and disi ^^^P^es. Cleaning of clothing and accessories (handbags, ^^cs^c.) shalj^^he respon^ Bnity of the occupant. A detailed description of the minimuu ^Blhfing rei 'ments is (lows: 1. Terraces, balconies, exterii mndow sillJ idow wd id window guards that are accessible from the j||eril )f the dweM l^^^ied. 2. ^Hrior windows^^^^J indow silfl ■^guards will be cleaned 3. ^^^ming will^^^^H le ceiling, [own the walls and include the floor. 4. waln^^H will be wet wiped using disposable wipes, after ^^^^^^^with an^H ^owner. Wet wiping will not be conducted if it is do it wouldl^H ^^^to the surface. 5. Ca wit^l ^H^r extraction cleaner after consultation with and cleano RmI be equipped with a motorized agitator brush and Inave a stati^H to 110 inches. After cleaning, red rosin construction paper will be applied! areas to protect carpets fi-om soiling. Hot water cleaning will not be con< B^^^^would cause damage to the carpet. Fabric covered ^iWrc will be cleaned with a hot water extractions cleaner after consultation vj and approval by owner. Hot water cleaning will not be conducted if it would ca^E damage to the furniture. Curtains, window treatments, upholstery and other materials that are not cleaned by w^^Khods (wet wiping and hot water extraction cleaning) will be HEPA

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