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Asbestos Abatement/Monitoring and Performance Based Disposal of PCB Bulk Product Waste header

Project # 40931

Asbestos Abatement/Monitoring and Performance Based Disposal of PCB Bulk Product Waste

VERTEX was retained by the Developer of a new residential building to provide comprehensive management services to address asbestos containing materials (ACM) and building materials contaminated with Polychlorinated Biphenyls (PCBs) in support of the demolition of a 17-story building in downtown Stamford, Connecticut. VERTEX conducted the following work on this project:

  • Comprehensive Asbestos Inventory – VERTEX reviewed a previous asbestos inventory, identified gaps, and collected additional samples to fully define the extent of ACM in the building.
  • Review of Historic PCB Sampling – VERTEX reviewed the results of previous concrete testing and determined that the PCB contamination was present in the concrete slabs on each floor and that the concrete slabs were key element of the overall structural support system for the building. Given this condition, the Developer and Demolition Contractor determined the all floors, except for the lower 2-floor would have to be managed as PCB contaminated building material (PCB Bulk Product Waste) because it was not possible to conduct a partial demolition of the concrete slabs without having a systematic failure of the building.
  • Preparation of PCB Performance Based Disposal Plan for PCB Bulk Product Waste – VERTEX prepared a Performance Based Disposal Plan which identified project controls to enable the Contractor to complete the demolition.
  • Development of Environmental Demolition Specifications – VERTEX prepared specifications which identified the environmental controls, required monitoring and disposal facilities to be used for the disposal of the concrete and other demolition debris.
  • Asbestos Abatement Clearance Sampling – VERTEX provided full-time inspection, monitoring, and clearance sampling for each containment.
  • Perimeter Air Monitoring – VERTEX provided 24/7 perimeter air monitoring during the demolition work, including particulate dust monitoring and collection of PCB air samples, to document that the dust control measures were adequately mitigating the off-site migration of dust and PCBs.

VERTEX also prepared an application for coverage under the General Permit for the Discharge of Groundwater Remediation Wastewater for dewatering operations performed during the installation of the building foundation, conducted regular discharge monitoring, and closed out the permit coverage upon completion of the dewatering work.

The work on this project included daily communications with the Developer and the various contractors to coordinate work. The successful demolition allowed for the redevelopment of the site with a new residential building to accommodate the need for housing in the city.

To learn more about VERTEX’s Environmental Consulting services or to speak with an Environmental Expert, call 888.298.5162 or submit an inquiry.

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