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← Document results/DEP Box 47/60 BROAD STREET 1000817, 24/1
Document / 9 pages

Scope of work exhibit, 60 Broad Street, 2002

Machine-extracted title · confidence 90%

Exhibit defining regulatory compliance requirements for environmental cleanup work at the site.

NYC-WTC_000118416–000118424

Folder label: “60 BROAD STREET 1000817, 24/1

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NYC 9/11 Public Portal Document gar ~e~ 1bN2 _ 16: 23 2124838895 CRG PAGE 14

Building Facade Clean-up

Work shall be performed by a NYSDOL licensed asbestos contractor with NYCDEP and asbestos certified workers. NYSDOL

The contractor performing the cleaning should be experienced in cleaning building facades. The clean up area shall be specified ("specified area") by DEP. The area below the facade be covered with a layer of cleaning shall polyethylene sheeting, All debris must he collected for directly upon removal from the surface. disposal as ACM (i.e. All waste must be double bagged in ACM bags.) Running water or water waste labeled runoff on the building facade is not permitted.. Building occupants shall be notified prior to the facade cleaning, Access to the street cleaning shall be restricted and marked below the facade with caution tape. Cleaning shall not be speeds greater than 20 mph. performed during wind

All HVAC systems and air ;,onditioners shall be turned off All windows shall be cleaning of the building. Some air closed during th conditioners and windows may require sealing with prevent water penetration. duct tape to

In cases where equipment is rigged from the roof AU clean-up activities on the completed prior to rigging equipment from the roof must be roof. All horizontal surfaces and all windows on the facade shall be cleaned of large and hand brushing or scraping with bulk material by wetting rind/ or by 1+IEPA vacuuming from non-metallic bristle brushes or non-metallic scrapers, by wet wiping top to bottom. Only water shall be used pressure washing. Detergents, solvents, for wet wiping and low- additives, and any other chemical cleaning agents The removed material shall be are prohibited. immediately placed into containers (e.g. bags). wiped. Free running water shall not be Windows shall be wet evident during this procedure. Power for supplied through ground fault interrupters. HEPA vacuums shall be

After completion of debris removal, the specified area shall be carefully washed. A low technique, moving from top to bottom, shall pressure washing be employed to minimtize water bounce-back. be washed with a low-pressure wash Facades shall not to exceed 250 psi. At the completion of work, a visual inspection of the abated surfaces and sidewalk verify the absence of visible debris. shall be performed to

Air monitoring shall be performed by an independent NYSDOL Iicensed with certified workers. third party air monitoring firm

In order to minimize disruption to the public and to the building be performed during off-hours. occupants, it is recommended this work

Page 5 05/03/02

NYC-WTC 000118420

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NYC-WTC_000118420Source: NYC Law Department, mirrored locally

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