Services We Offer
Underground Utilities
- Sanitary sewer – gravity, force main, and vacuum
- Water Main
- Storm Drainage
- Utility Conduits
- Pipeline
- Jack and Bore
- Directional Drilling
- Pump Stations
- Utility Relocations

Stormwater Management
Majority of our team is well versed on the latest regulations of stormwater management and have the certifications to do so. Let our team assist you during construction to achieve the most cost effective stormwater management solution for your project.
- Stormwater Management, Ponds and Basins
- Bioretention
- Submerged gravel Wetlands
- Underground Detention Systems

Erosion and Sediment Control
Our team takes pride in maintaining excellent relationships with the regulatory agencies and inspectors that oversee our projects. These relationships and our reputation allow us to take a proactive, cost effective approach toward the establishment and maintenance of our erosion and sediment control measures. Having worked on numerous projects with varying degrees of difficulty and wide ranging requirements, our team is able to analyze your site and provide constructive feedback in both the design and construction phases. We keep your project in compliance, meeting and often exceeding agency requirements.
- Sediment Basins and Traps
- Active Controls
- Stabilization
- Water Conveyance
- Dewatering

Earthwork and Grading
The Mid-Atlantic region often produces sites with problematic soil compositions. These conditions can negatively impact the project schedule and budget if left to inexperienced contractors. OLC takes pride in working collaboratively with your geotechnical team to develop cost-effective solutions to remediate soil issues on even the most difficult sites.
- Mass Excavation
- Fine Grading
- Sourcing Import to Satisfy Project Deficits
- Export of Excess and Unsuitable Materials
- Contaminated Material Remediation

Stream Restoration
Stream restoration and wetland mitigation work are becoming more prevalent on projects throughout the Mid-Atlantic region. Our attention to detail and expertise ensures that you and the approving agencies will be delighted with our stream restoration and wetland mitigation work.
- Stream Restoration
- Wetland Mitigation
- Coastal Plain Outfalls
- Reforestation
- Wetland and Riparian Stabilization and Landscaping

Clearing and Grubbing
OLC has the physical capability and extensive experience required to perform any clearing work that you have on your project. Along with our trusted partners, OLC will strive to ensure that as much material as possible is reused on site, recycled locally, or salvaged to reduce costs and to enhance public perception of the project.
- Select Demolition
- Clearing
- Underground Utility Demolition
- Pavement Reclamation and Removal
- Reuse, Recycling, and Salvaging of Onsite Materials

Structural Concrete
Our team procures shop drawings and necessary permits to construct the wall in the field using only the basic plan view drawings provided by your engineer. Client options related to the aesthetics of the retaining wall are always offered including the selection of retaining wall block, color, and fencing or rail.
- Anchored Retaining Wall
- Gravity Retaining Wall
- Piling Wall
- Cantilevered Wall
- Cast-In-Place Concrete
- Precast Block
- Structural Cast-In-Place Concrete
- Precast Box Culvert Installation
