NYC-WTC_000233286

NYC 9/11 Public Portal Document

(i) Method. All accumulations of asbestos waste material shall be containerized and removed. HEPA-vacuums shall be used to clean all surfaces after gross cleanup. (ii) Removal of Contaminated Equipment and Waste. Contaminated equipment and all containerized waste shall be removed from the regulated abatement work area. (iii) Cleanup of Surfaces. All surfaces in the regulated abatement work area shall be wet-cleaned using rags, mops or sponges. (iv) Waiting Period. Negative pressure HEPA-ventilated air equipment shall be operated for a minimum of 20 minutes following completion of final wet cleaning. (7) Visual Inspection. Once final cleaning is complete, a visual inspection shall be completed by the supervisor to confirm that the scope of abatement work for the asbestos project is complete, and no visible debris/residue, pools of liquid, or condensation remain. (8) Removal of Personal Protective Equipment. The worker’s disposable protective clothing shall be removed and left in the tent upon exiting. (9) Exiting Procedures. After exiting the tent, workers shall immediately don clean protective clothing. Workers shall then seal the tent exit and, upon tent collapse, shut down the HEPA-vacuum. (10) Collapsing and Containerizing the Tent. The plastic sheeting which formed the tent, and the contents thereof, shall be fully collapsed, starting from the top and working downward. The tent and contents shall be placed in at least a six (6) mil plastic bag or hardwall container, sealed airtight with duct tape and removed for disposal. (11) Showering. Workers shall proceed immediately to a shower for decontamination. (12) Failure. Actions to be taken in the event of loss of tent integrity are detailed within Section 56-8.4(j) of this Part. 56-11.4 Pre-Demolition Asbestos Abatement Projects. The following Phase II abatement procedure modifications shall apply for building/structures planned for demolition. All ACM, PACM or asbestos material must be removed from a building/structure and the asbestos project complete, prior to commencement of demolition activities.

(a) Air Sampling and Analysis. Air sampling and analysis on an asbestos projects conducted under this Section shall be conducted in accordance with the requirements of Subpart 56-4 of this Part. (b) Regulated Abatement Work Area Preparation. Regulated abatement work area preparation shall be as per Subpart 56-7, except as follows:

12 NYCRR56 Subpart 11, Page 99

CITY_21MC100_0 03235119

NYC-WTC_000233385