NYC-WTC_000233286

NYC 9/11 Public Portal Document

(2) Regulated Abatement Work Area. The entire demolition area shall be considered the regulated abatement work area. This area shall be enclosed within a barrier to prevent unauthorized entry. Signage on this barrier shall be in accordance with ICR 56-7.4. Orange construction fence or snow fence is acceptable for this purpose. (3) Entrance or Exit. Entrance or exit of all persons and equipment shall be through one designated and controlled “access way” in the barrier or fence, which shall provide a means of egress from the regulated abatement work area. (4) Decontamination Areas. All decontamination areas shall be within the regulated abatement work area. An equipment decontamination area shall be cordoned off within the worksite for cleaning of heavy equipment, i.e., backhoes, excavators, loaders, etc. The ground surface in this decontamination area shall be banked on the sides to confine the contaminated wastewater. (5) Equipment Decontamination. Equipment shall be decontaminated prior to exiting the regulated abatement work area, utilizing a pressure wash system, after which all exposed surfaces inside and out shall be wet wiped. The surface below the equipment shall be scraped or cleaned of any residual asbestos contamination. This material shall be removed and disposed of as asbestos contaminated material. (6) Wet Methods. No dry disturbance or removal of asbestos material shall be permitted. (7) Debris. All debris generated by the demolition shall be considered to be regulated asbestos containing material waste, except for structural members, steel components and similar non-suspect items which shall be fully decontaminated as per this Part. (8) Wetted Demoiition Waste. The demolition waste shall be wetted on a continuous basis that is prior to, during and subsequent to its actual collection and removal. Fog nozzles or similar type of equipment shall be used to perform the wetting. (9) Wetted Piles of Waste. Piles of waste not actively being worked on, i.e. piles being added to or portions being removed or piles left over extended periods of time, shall be covered with at least one layer of 6 mil polyethylene to retain its moisture level and to prevent fiber release. (10) Wastewater. Wastewater shall be confined within the controlled demolition regulated abatement work area. All wastewater shall be collected by means of trenching or ditches and directed into a holding tank. Disposal of such wastewater shall be in accordance with applicable laws and regulations. After wastewater has dissipated, the earth surface below the trenches and holding tank shall be scraped and any residual asbestos contamination removed and disposed of as asbestos contaminated material.

12 NYCRR56 Subpart 11, Page 102

CITY_21MC100_0 03235122

NYC-WTC_000233388