NYC-WTC_000209460

NYC 9/11 Public Portal Document

common areas including utility rooms, laundry rooms, compactor rooms require cleaning. If elevator shafts are detenriiiied to contain significant WTC dust and or debris, cleanup 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. Vacuuming will begin at the ceiling and continue down the walls to the floor. b. Walls will be wet wiped, after consultation with and if approved by owner. c. Impermeable floors will be damp mopped. d. Carpets will cleaned with a hot water extraction cleaner. The cleaner shall be equipped with a motorized agitator brush and have a static water lift of 95 to 110 inches. XM"

6. Cleaning of HVAC Systems If the Project Monitor in consultation v/ith EPA determines that an HVAC system requires cleaning, the cleaning contractor shall clean the HVAC system utilizing specialized labor trained and experienced in duct cleaning. The HVAC cleaning will be conducted in accordance with National Air Duct Cleaners Association (NADCA) General Specification for the Cleaning of Commercial Heating, Ventilating and Air Conditioning Systems and the NADCA Assessment, Cleaning and Restoration Standard (ACR 2002). In the event that the HVAC system for an entire building requires cleaning a separate, site specific contract will be awarded for this work. Verification of HVAC system cleanliness will be determined by the Monitoring Contractor. If visible contaminants are evident through visual inspection those portions of the system where contaminants are visible shall be recleaned and subjected to reinspection for cleanliness.

7. Cleaning of Residential Spaces All horizontal hard surfaces shall be HEPA vacuumed and wet wiped. Vertical and soft surfaces shall be HEPA vacuumed two times. Surfaces include but are not limited to walls, floors, ceilings, ledges, trims, furnishings, appliances, equipment, etc. Encapsulating agents shall not be applied. Dry sweeping is prohibited. Carpets will be wet vacuumed. Cleaning of clothing and accessories (handbags, Tioes etc.)shall be the responsibility of the occupant. A detailed description of the minimum cl eaning 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 at the ceiling and continue down the walls to the floor. d. Walls will be wet wiped, after consultation with and if approved by resident. e. Curtains, fabric window treatments, upholstery, and other materials that cannot be cleamsd by wet wiping shall be HEPA vacuumed two times. Fabric covered furniture win be vacuumed using a stiff brush attachment. f Carpets will cleaned with a hot water extraction cleaner. The cleaner shall be equipped with a motorized agitaitor brush and have a static water lift of 95 to 110 inches. g- Wooden floors will be damp mopped or HEPA vacuumed (if unfinished) in consultation with resident h. Plants shall be cleaned by rinsing leaves with water.

CITY_21MC100_000438989 NYC-WTC_000209462