Site Development
Full-scope earthwork from raw land to pad-ready
Planning and Feaseability
Help with land survey, soil testing, and permitting
Earthwork and Land Preparation
Site Clearing, Grading, and Excavation
Utility and Infrastructure
Water, Sewer, Storm, Gas, Electrical, Driveways, Curbs, Swales
Environmental and Erosion Control
Storm Management and Prevention
Site development is the foundation of every successful construction project — and it takes a contractor who can manage multiple scopes at once, keep the schedule moving, and adapt when conditions change. Corridor Contractors brings a fully integrated site development approach that covers earthwork, utilities, grading, and site improvements under one self-performing team.
We work on commercial, industrial, and municipal development projects, partnering with developers, owners, and general contractors who need a dependable civil partner from the ground up. Our ability to self-perform across all major site scopes reduces the number of subcontractors on your project, simplifies coordination, and improves schedule control.
When Corridor is on your site, you've got one point of contact for the civil work — and a team that's accountable for the results.
Site Development Capabilities:
- Full site preparation and clearing
- Rough and finish grading
- Utility installation — water, sewer, storm, and dry
- Parking lot subgrade and base preparation
- Retaining wall and slope stabilization support
- Erosion control and stormwater management
- Coordination with structural, mechanical, and civil engineers
Our Site Development Service
Having been a part of hundreds of site development projects from smaller fast food Restaurants to Industrial Parks
- Critical path schedule management
- Proper crew utilization for professional execution
- Coordination with owner and other GC's
- Understanding of a safe, clean, organized site
Call for a Quote:
(509) 244-6160
Services We Offer
Heavy Civil Earthwork
We perform large-scale cut and fill operations, rock excavation, site balancing, and haul operations on commercial, municipal, and industrial sites.
Asphalt Milling
We perform full-depth and partial-depth milling for roadway rehabilitation, parking lot reconstruction, and pavement maintenance projects.
Underground Utilities
Our crews are experienced in both open-cut and trench installation methods, with the equipment and knowledge to work in challenging soil conditions, tight tolerances, and high-traffic corridors.
Frequently Asked Questions about Site Development
What does 'site development' actually include?
We install water distribution and transmission lines, sanitary sewer collection systems, storm drain networks, and dry utilities including electrical conduit and duct bank. We self-perform all of these scopes, which means you get one accountable contractor rather than multiple specialty subs coordinating across each other.
Do you work on both public and private utility projects?
Yes. We work on publicly bid municipal utility projects — water main replacements, sewer system upgrades, storm drain improvements — as well as private site development utility installations for commercial, industrial, and residential developers. We're experienced with the documentation, testing, and inspection requirements on both sides.
What size utility lines can you install?
We install utility lines across a wide range of diameters, from small-diameter service lines up to large-diameter transmission mains and trunk sewers. If you have a specific pipe size or project scope in mind, reach out and we can confirm our experience and capacity for that application.
How do you protect existing utilities during excavation?
Every project starts with a thorough utility locate process — we call 811 and work with private locating services when needed to identify and mark all existing utilities in the work zone. Our operators are trained to hand-dig or use vacuum excavation near confirmed utility locations before mechanical excavation begins. We take the risk of utility strikes seriously and plan our work accordingly.
Can you handle utility work in areas with difficult soil conditions?
Yes. We have experience working in a range of challenging soil conditions — rock, groundwater, expansive clay, and unstable trench walls among them. We carry the shoring and trench protection equipment required for safe operation in these conditions and can adjust our installation methods based on what the ground actually looks like, not just what the geotechnical report predicted.
Do you perform pressure testing and final inspections?
Absolutely. Pressure testing, vacuum testing, and deflection testing are standard parts of our utility installation process. We coordinate with project engineers, inspectors, and the relevant utility owner or agency to schedule and document testing so the system can be formally accepted without delay.
Can Corridor Contractors serve as the prime contractor on a utility project, or only as a sub?
Both. We regularly serve as the prime contractor on standalone utility improvement projects, managing permitting, inspection coordination, traffic control, and restoration. We also work as a qualified subcontractor under general contractors and construction managers on larger projects where civil utility work is one scope among many.