Final cleaning and monitoring scopes of work for WTC indoor

NYC 9/11 Public Portal Document

cause damage to the carpet. f. Fabric covered fiimiture will be vacuumed and then cleaned with a water extractions cleaner after consultation with and if approved by owner. Water extraction cleaning will not be conducted if it would cause damage to the furniture. g- All surfaces including but not limited to floors, walls, curtains, fabric window treatments, upholstery and other materials that are not cleaned by wet methods (wet wiping and water extraction cleaning) will be HEPA vacuumed two times. Fabric covered furniture that is not cleaned by wet methods will be vacuumed using an appropriate brush attachment. h. Intake/discharge registers of HVAC systems (ifpresent) will be removed/cleaned. The first foot ofduct work udll also be vacuumed; then the register will be reinstalled and covered with a layer of 6 mil polyethylene sheeting. 1. Window and room air condi honers will be vacuumed, wet wiped and removed from their housing to allow access to internal portions ofthe air conditioner. The internal portions of the air conditioner rrid housing will then be vacuumed. Filters will be vacuumed and reinstalled. Air conditioners will be reassembled and reinstalled after cleaning. j- Paperwork and books vnll be HEPA x'acuumed. k. Electrical outlets will be vacuumed. 1. Appliances such as refrigerators and stoves will be cleaned and moved. The floor footprint of the appliances will be cleaned and the appliance will be reinstalled in their original positions. m. Refrigerator cooling tubes wall be brushed and vacuumed. n. The first foot of all exhaust duct work (including stove, dryer and bathroom vents) where accessible, will be vacuumed. Exhaust fans will be vacuumed and wiped o. Closet floors will be vacuumed. P- Solid objects (electrical equipment, exercise equipment, etc.) will be wet wiped, moved to allow cleaning of the underljdng surface and will be returned to their original location. q- Dishwasher toe plates willberanovcd and the floor beneath the appliance will be cleaned. r. Baseboard heaters wi.l be cleaned. Protective covers on finned radiant heaters and baseboard heaters will be removed to expose heat elements. Fins are to be brushed and vacuumed to rcmox'e dust. s. All cleaning equipmen: 'A ill be vacuumed and^cr wet viped after completion ofthe cleaning and before remcal from the work area.

4. HEPA air filtration devices (ArDs) will run continuously during all cleaning activities, as appropriate given site conditions. -\FDs shall b c installed and operated to provide a minimum ofone air change every 15 minutes.

5. A minimum of one asbestos supervisor shall be present in each building during work.

6. A Cleaning Checklist (to be dev el op ed by EP A) w 111 h e completed by the cleaning contractor as tasks are completed to dacu-uent the progr ess of the cleaning.

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