Draft scope of work for WTC residential dust cleaning, August

NYC 9/11 Public Portal Document

a separate, site specific contract will be awarded by DEP for this work. If only a portion of an HVAC system requires cleaning, then the cleaning contractor will conduct the cleaning utilizing specialized labor trained and experienced in duct cleaning. HVAC cleaning will be conducted in accordance with National Air Duct Cleaners Association (NADCA)^k|eral Specification for the Cleaning of Commercial Heating, Ventilating id Air Co Systems and the NADCA Assessment, Cleaning and Restoration J ^ard (4^ Verification of the effectiveness of HVAC system cleaning H^uetermine^^H Monitoring Contractor. If visible dust or other contaminants Evident thrqi^^^ inspection or testing, those portions of the system where dust or o^| contaminai|K^e presi shall be recleaned and subjected to reinspection for cleanliness.^H

8. Cleaning of Residential Spaces Residences will be cleaned using HEPA vacuums, hot water extrac^^^^H id wet wipes as described below. Surfaces to be cleaned include but are not lirm^rtl^H bj^ceilings, ledges, trims, furnishings, appliances, equipment, etc. Enca^^llating ^^^^t be applied. Dry sweeping is prohibited. The cleaning contractor_will not cleai cabinets, breakfronts, etagers and similar enclosed sto^^ day space^ clothing and accessories (handbags, shoes etc.) shall^^^H blty of the oi A detailed description of the minimum cleaning reoj^pBents 1. Terraces, balconies, exterior window siJ^Rvindow 'ds that are accessible from the interior of the dw ^Fng, will leaned 2. Interior windows, screens, window^ Fs and win guards HB^leaned 3. Vacuuming will begin with the continjaBown the wa K and include the floor. 4. Impermeable walls and flo' be w^K iped usin^ Bisposable wipes, after consultation with and approJ •by owner, t wipin not be conducted if it is determined that it wo^l cfl F damage u Mirfa^

5. CAoets will be clea|^^uH I hot water^ ^^^^Rner after consultation with and ^^^^1 by owna^^^^^H ^r shall be^ ^■^th a motorized agitator brush and lUO inches. ;er cleaning, red rosin construction paper to higt^^^l |O protect carpets from soiling. Hot water cleaning wiW lucted ifn^H k^damage to the carpet. 6. Fabri nmiture ^P^d with a hot water extractions cleaner after con^ ^^b^pprova Jmici'. Hot water cleaning will not be conducted if C£ ^^^^he furmture. 7. Curtains, fabrioB ^^^^^^ments, upholstery and other materials that are not cleaned by wet methodi I^^^Wng and hot water extraction cleaning) will be HEPA vacuumed two tii E^Hmic covered furniture that is not cleaned by wet methods will be vacuumed usj I a stiff brush attachment. Intake/discharaJ ;gisters of HVAC systems (if present) will be removed/cleaned. The first foot of ^^work will also be vacuumed; then the register will be reinstalled and covered wi^^lastic. room air conditioners will be vacuumed and removed from their housing

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