Asbestos inspection report, 102-104 Greenwich Street

NYC 9/11 Public Portal Document

L. SIDING AND ROOFING ABATEMENT FOR DEMOLITION OF WORK ONLY (Not Applicable) STRUCTURE For removing roofing material which contains ACM the following practices are followed: contractor shall ensure that the

• Roofing material shall be removed in an intact state to the extent feasible. • Wet methods shall be used to remove rendered not intact during removal, roofing materials that are not intact, or that wiII be create safety hazards. unless such wet methods are not feasible or will

• Cutting machines shall be continuously misted during use, unless a determines that misting substantially competent person decreases worker safety. • When removing built-up roofs with surface using a power roof cutter, allasbestos- containing dust resulting from roofing felts and an aggregate collected by a HEPA dust collector, the cutting operationshall be cut line. When removing or shall be HEPA vacuumed by built-up roofs with asbestos vacuuming along the smooth surface using a power roof -containing roofing felts and a shall be collected either by a cutter, the dust resulting from the HEPA dust collector or HEPA cutting operation or by gently sweeping and then vacuuming along the cut line, debris left along with cut line. carefully and completely wiping up the still-wet dust and

• Asbestos-containing material that has thrown to the ground. Unless the been removed from a roof shall not be dropped or shall be lowered to the ground viamaterial is carried or passed to the ground by hand, it covered, dust-tight chute, crane or hoist. • Any ACM that is not intact shall be lowered to the ground any event no later than the end as soon as it practicable but in of the work shift. While the it shall either be kept wet, placed in an impermeable waste material remains on the roof sheeting. bag, or wrapped in plastic

• Intact ACM shall be Iowered to the later than the end of the work ground as soon as is practicable, shift. but in any event no

• Upon being lowered, unwrapped such manner so as to preclude material shall be transferred to a closed receptacle in the dispersion of dust. • Roof level heating and ventilation air intake sources shall be system shall be shut down. isolated or the ventilation

Notwithstanding any other provision of this roofing less than 25 square fee in section, removal or repair of area does not require use of wet sections of intact methods or HEPA vacuuming

NYC-WTC 000128582