NYC-WTC_000233286

NYC 9/11 Public Portal Document

discovery, and the elevator shaft shall be checked for airborne asbestos contamination. If contamination is found in this area, the entire affected area shall be wet-cleaned prior to continuing any other work. (c) This system shall be smoke tested daily. (C) Removal. Removal of ACM, PACM and asbestos material shall proceed as per the requirements of Subpart 56-8. (d) Final Cleaning and Clearance Procedures. Final clean-up and clearance procedures for pre-demolition abatement shall comply with Section 56-9, except that only two stages of cleaning (first and final) are to performed. Lockdown encapsulant use shall be consistent with Section 9.1 (b). (e) Final Waste Removal From the Site. The requirements of Subpart 56-10 shall apply, once all asbestos project regulated abatement work areas have been completed. 56-11.5 Demolition with Asbestos in Place.

(a) Air Sampling and Analysis. Air sampling and analysis on an asbestos project conducted under this Section shall be conducted in accordance with the requirements of Subpart 56-4 of this Part. (1) In addition to the requirement of Subpart 56-4.9(b-c), air monitoring within the work areas shall be conducted daily during abatement and cleaning activities. If more than one shift daily is required to accomplish the work, air monitoring within the work area during abatement shall be performed on each shift, preferably at mid-shift timing. (b) Asbestos to Remain During Demolition. A building/structure may be demolished with asbestos material in place as per the requirements of this Section, when either of the following conditions are met: (1) Building/structure is Condemned. A building or structure may be ruled structurally unsafe by a licensed Professional Engineer, Registered Architect, Building Inspector, Fire Inspector or other official of competent jurisdiction. The official shall attest to the condition of the building/structure in writing. A copy of the condemnation letter shall be attached to the project notification mailed to the Department of Labor and a copy shall be posted at the work site. (2) Municipally Owned. The building or structure is a municipally owned, vacant residential building/structure of four or less living units, up to three stories in height. (c) Controlled Demolition Procedures. The following controlled demolition procedures shall be followed: (1) Project Size. Unless the size of the project can be positively quantified it shall be deemed to be a Large project. The maximum fee shall accompany the notification.

12 NYCRR56 Subpart 11, Page 101

CITY_21MC100_0 03235121

NYC-WTC_000233387