Berner Construction has been contracted to provide underground storage tank (UST) removal and other associated activities at various PGW locations in the City of Philadelphia. Numerous projects were completed during the course of this multi-year contract.
The scope of work included excavation, cleaning, removal, sampling, and disposal activities associated with the closure of multiple regulated and unregulated USTs, as well as site characterization, remedial action plan preparation and implementation, and other assessment and remediation activities that are necessary to properly document formerly closed storage tanks and other suspected USTs. UST and other associated activities were conducted at PGW’s 9th & Diamond, Passyunk, Richmond, Belfield, and Tioga facilities.
The work was conducted in accordance with regulations of the Pennsylvania Department of Environmental Protection (PADEP) Act 32 of 1989, the Storage Tank and Spill Prevention Act, and Act 2 of 1995, the Land Recycling and Environmental Remediation Standards Act.
The following is a summary of the projects and activities completed at several PGW facilities. Each of the items listed below were completed at multiple facilities and tank systems:
- Closure and Removal of multiple USTs and overhead fuel dispensing systems
- Closure of USTs that were previously removed or closed in place without proper documentation
- Closure and demolition of oil/water separator system
- Monitoring well installation, quarterly groundwater sampling
- Development of Site Characterization Reports
- Preparation and implementation of Remedial Action Plans
- Installation and operation of product recovery system from groundwater
- Excavation and off-site disposal of contaminated soil associated with several processes; contaminants included lead, MGP, TPH
- Collection and off-site disposal of contaminated groundwater, rinsate, and IDW
- Closure and abandonment of monitoring wells
- Facility Operations Inspections for USTs
- Replacement of tank systems including manways, level probes, leak detection systems