Multi-agency coordination matrix distribution, July 2002

NYC 9/11 Public Portal Document

the building owner. RI’A or designee will evaluate and determine ifother common areas including utilityTOoms, laundry rooms, compactor rooms require deaning. If elevator shafts are determined to contain significant WTC dust and or debris, cleaamp will proceed under the Scope B site specific work plan. Work will begin from the entrance and continue through all common spaces in an orderly fashion. A detailed description of the minimum cleaning requirements for common space is as follows; a. Vacuumiog will begin with the ceiling, continue down the walls and include floors. b. Impermeable walls and floors will be wet-wiped using disposable wipes, after coDsultatiott with and approval by owner. Wet wiping will not be eondneted if itis deterfflined that it would cause damage to the surface. c. Carpets will cleaned with a hot water extraction cleaner. 'Hie cleaner shal I be equipped with a motorized agitator brush and have a static water lift of 95 to i 19 inches. 2. Cleaning of HVAC Systems Ifthe P'roject Montor in consultation with E P.A determines that an H V AC system requires cleaning, the cleaning contractor shall clean the HVAC' system utilizing specialized labor trained and experienced ill duct cleaning. The HVAC cleaning will be conducted in accordance with National Air Duct Gleaners Association (NADCA) General Specification for the Gleaning of Commercial Heating, Ventilating and Air'Conditioning Sy.sicm.s and the NADCA Assessment, Clearing arid Restoration Standard^ACR 2002). In the ewnl that the f 1V AC system for an entire building irequires cleaning a separate, site specific contract \\ 01 be awarded for this wotL Verification of HVAC system cleanliness wi ii be determined by the Monitoring Contractor. Ifvisible contaminants ■ are evident through visual inspection, those portions ofthe system where contaminants are visible 'Shall be recleaned and subjected to reinspection for cleanliness.

3. Cleaning of Residential Spaces ' C All horizontal hard sLirfaccs shall be HliPA vacuumed and wet wiped.Vertical aad soft surfaces shall be HEPA vacuumed two times. Surfaces include but are not limited to walls, floors, ceilings, ledges, trims, furnishings, appliances, cquipiuent. etc. Encapsulating agents shaU notbe applied. Dry sweeping is prohibited. Carpets will be cleaned with a hot water extraction cleaaer. Gleaning ofcloihing and accessories (handbags, shoes etc.) shall be the responsibility of the occupant. A detailed description of the minimum cleaning requirements is as follows: a. Terraces, balconies, exterior window sills, window wells and window guards that are accessible from the interior of'the dwelling, will be cleaned. b, Interior windows, screens, window sills and window guards will be cleaned c. Vacuuming will begin with 'the cefting, contiime down the walls and include the floor. d. Impermeable walls and floors will be wet wiped using disposable wipes, after consultation with and approval by owner. Wet wiping wiB fiotbe condnctecl if it is determined that it would cause damage to the sur&ce. e. Curtains, fabric windo'w treatments, upholstery and other materials that cannot be cleaned by wet wiping shall be HEPA vacuumed two times. Fabric covered 'fomiture will be vacuuHied using a stiff brush attachment. f Carpets will cleaned with a hot water extraction cleaner. The cleaner shall be ajuipped with a motorized agitator brush and have a static water lift of 95 to 110 inches.

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