Our Industries

Heavy Civil Solutions for Projects in Any Environment

Whether in dense urban environments or across the most rugged rural terrain, Riggs Distler provides a turnkey suite of Heavy Civil services that support client projects and keep workplaces safe and accessible. Working with clients from the planning and design stage through execution and clean-up, our heavy civil experts handle site development, road building and access, environmental protection and remediation services, and other fundamentals to protect your project investment.

Heavy Civil Services from Riggs Distler

Riggs Distler’s approach to heavy civil work is informed by a century of experience developing, constructing, and demolishing complex facilities and infrastructure on behalf of clients in the power and utility industries. Focusing on safety, compliance, and careful adherence to the client’s project schedule, our expertise ensures that your project proceeds as planned.

Heavy Civil Services

  • Excavating, Grading & Site Work
  • Site Construction, Foundation & Concrete Work
  • Demolition, Clearing & Grubbing
  • Underground Utilities
  • New main and service installation (steel, high-pressure, cast iron)
  • Hydro Excavation
  • Paving Streets, Roads, Curbs and Sidewalks
  • Retaining Wall Installation
  • Waterlines & Sanitary Sewer Lines
  • Storm Drainage
  • Pile Driving & Shoring
  • Dewatering


  • Outage Scaffolding
  • New Construction
  • Site Maintenance
  • Capital Projects
  • Confined Space Entry
  • Boiler Outages

Environmental Services

  • Erosion and sediment control
  • Wetland reclamation
  • Seed and mulching, hydroseeding
  • Coffer dams

Through tough terrain, swamps, and wetlands, we’ll build the infrastructure necessary to ensure safe access to your project while protecting sensitive environmental concerns. One of the most recognized names in the field, Riggs Distler has decades experience providing heavy civil services to power providers, heavy industrial project and facilities.

Our Industries

Case Studies

New Process Line Construction — New Jersey
Riggs Distler was contracted to construct new process lines from a major oil refinery in southern New Jersey that will feed a large-scale...
Substation Contractor of Choice—Southern New Jersey
January 2021–December 2025
Riggs Distler serves as the Contractor of Choice for substation-related civil and electrical work on behalf of a major East Coast power provider....
Substation Contractor of Choice—Philadelphia Region
January 2021–December 2025
Riggs Distler serves as the Contractor of Choice for substation work on behalf of a major East Coast energy provider. Our work supports system...
Oil-Water Separator Installation at a Generating Station—Pennsylvania
May–December 2020
In the spring of 2020, Riggs Distler was contracted to install a new oil-water separator at  a Generating Station in southeast Pennsylvania....
Hydrogen Gas Plant — Delaware
March 2019-Spring 2020
Riggs Distler is providing extensive heavy civil, mechanical, and instrumentation services in support of the construction of a hydrogen gas plant in...
Substation Project — New Jersey
October 2019-May 2020
Riggs Distler was contracted by a host utility to demolish an existing 69/12kV electrical substation and perform all civil and electrical work for...
Butane / Propane Transload Facility —New Jersey
2019 - 2020
Riggs Distler was subcontracted to perform mechanical services in support of Phase I of this project to expand existing propane and butane caverns...
Aries Linden Biosolids Gasification Plant — Linden, NJ
Riggs Distler provided turnkey heavy civil, mechanical, and electrical services in support of an Aries Clean Energy project to construct a biosolids...
Air Separation Unit Project — Pennsylvania
August 2019-June 2020
Riggs Distler was contracted to provide heavy civil, mechanical piping, and equipment setting services to support the construction of an Air...
Multi-Service Upgrades to Enhance Refinery-Pennsylvania
Riggs Distler combined our Mechanical, Electrical, and Heavy Civil expertise to complete this project to deliver critical upgrades to an oil...
Civil Foundation Construction — Philadelphia, PA
Riggs Distler is building the foundation for a 15-story, multi-use building in the Fairmount area of Philadelphia. This building will not only...
Delaware Valley Refinery — Philadelphia
Riggs Distler is responsible for keeping our client’s refinery running safely and efficiently by managing all civil maintenance. We’re...
Underground Storm Water and Firewater Pipe Installation — Pennsylvania
Riggs Distler installed storm drainage and fire protection piping in support of our client’s industrial facility expansion. Our work: ...
Substation Civil Foundation Installation — Marcus Hook, PA
Riggs Distler installed a substation foundation and performed related heavy civil work on behalf of a regional energy company in southeastern...