Environmental Contracting

REPSG’s construction division has extensive experience in completing construction projects specific to environmental remediation. These projects require extensive planning and engineering controls and are often integrated into the long-term management of large facilities and/or remediation sites. REPSG has provided these services consistently and successfully at a wide variety of sites to fulfill site design and management needs.

REPSG’s environmental construction expertise includes the following project types: 

• Removal of sediments and other contaminated materials from rivers, streams, lakes, ponds, impoundments

• Installation of earth support structures, including cofferdams, chemical resistant sheeting, double wall sheeting, and sealed joint sheeting

• Construction of retaining walls, slurry walls, and other types of barrier walls

• Water treatment and discharge utilizing mobile water treatment systems

• Engineered erosion and sediment control measures

• Storm water management and dewatering  

REPSG’s construction division has extensive experienced in performing remedial excavation projects. We’ve executed hundreds of excavation projects in sizes ranging from a few thousand dollars to over $10 million. These projects have included a wide range of contaminants, including petroleum hydrocarbons, organic compounds, caustics and acids, radioactive materials, heavy metals, PCBs, and PAHs.

Types of remediation projects performed by REPSG’s construction division include:

• Lagoons and waste impoundments

• Buried wastes, drums and containers

• Wetland reconstruction/mitigation

• Groundwater treatment system installation

• Vapor extraction and air sparging system installation

• Waste stabilization and excavation

• Contaminated soils

• Waste consolidation and placement

• Residential soil removal actions

• Spill response excavation and disposal

• Stream sediment excavation and restoration

REPSG’s construction division provides comprehensive storage tank removal and closure services. Our trained and licensed tank closure specialists provide the expertise and experience required for this highly specialized subcontracting service. Over the past several decades, REPSG has successfully addressed storage tanks ranging from residential heating oil USTs to multi-thousand-gallon aboveground storage tanks at industrial facilities. We are capable of closing underground storage tanks, either through removal or inertion-in-place, in all circumstances, including the challenges presented by tank closure in densely developed urban cores.

REPSG takes care of everything from initial permitting through final site restoration, including:

• Tank Closure Permitting

• Removal and Disposal of Tank Contents

• Tank Cleaning

• Tank Removal and Disposal

• UST Closure through inertion-in-place

• Post-Closure soil sampling and analysis

• Full Project Reporting and Documentation

• Regulatory Coordination and Representation

• Site Restoration following closure