NYC-WTC_000233286

NYC 9/11 Public Portal Document

(b) Where Allowed. For asbestos projects with abatement of less than ten (10) square feet or twenty-five (25) linear feet of ACM, PACM or asbestos material, Phase II Minor asbestos project abatement procedures as per this Section may be complied with in lieu of full compliance with Sections 56-7 through 56-9. All other requirements of this Part shall apply. Only an isolated event necessary for repair associated with normal operation and maintenance activities shall be considered a minor asbestos project. Minor asbestos project corrective actions shall include limited enclosure, spot repair/patching, incidental disturbance clean­ up, spot removal, and spot encapsulation. All corrective actions except spot removal shall be performed using non-asbestos material. Repairs where spot removal has occurred shall also utilize non-asbestos material. (c) Ventilation for Power Tools. Power tools used to drill, cut, or otherwise disturb asbestos material in Minor size regulated abatement work areas, shall be manufacturer equipped with HEPA-filtered local exhaust ventilation. (d) Glovebag Use. Glovebag operations may be performed within negative pressure tent enclosures, and shall utilize commercially available glovebags of at least six (6) mil, transparent plastic and no larger than needed. See Section 56- 7.11 regarding tent construction and Section 56-8.4 regarding proper glovebag procedures. (e) Tent Use. Tents may be used to perform Minor size asbestos abatement, with or without the use of glovebags. Commercially available tents with floors, walls and ceilings of at least six (6) mil, fire-retardant plastic or a constructed tent per Section 56-7.11(f)(1) of this Part may be used. When utilizing a tent for Minor size asbestos projects, the following shall be required: (1) Personal Protective Equipment. All persons shall don appropriate personal protective equipment before entering the tent in compliance with current OSHA regulations. Authorized visitors entering the tent shall also don NIOSH-approved respiratory protection. (2) Exhausting the Tent. A HEPA-vacuum or other negative pressure HEPA-filtered ventilation equipment shall be used to continuously exhaust the tent in accordance with Sections 56-7.8(a) and 56-7.11 (f)(1) of this Part. (3) Amended Water. All material to be removed shall be saturated with amended water as specified in this Part. (4) Abatement Procedures. Asbestos material shall be removed and sealed in plastic bags prior to removal from tent. Edges of asbestos material remaining shall be encapsulated or sealed with wettable cloth. (5) Seaiing of Surfaces and Edges. The substrate from which asbestos was removed and any exposed edges shall be sealed with encapsulant. (6) Ciean Up. Cleanup shall be accomplished as follows:

12 NYCRR56 Subpart 11, Page 98

CITY_21MC100_0 03235118

NYC-WTC_000233384