Underground Utilities
Commercial
Underground Utilities in Michigan: Safe & Efficient Installation
At Thomas Excavation LLC, we specialize in the safe and efficient installation of underground utilities for both residential and commercial projects across Michigan. From water, sewer, and storm line installations, our experienced crew handles every aspect of underground utility work — ensuring optimal performance, long-term reliability, and minimal disruption to your property.
Our Underground Utility Services
- Water & Sewer Line Installation
We lay the groundwork for reliable water supply and waste disposal. Water lines are installed below Michigan’s frost line (48 inches) and are pressurized, chlorinated, and tested to meet code. Sewer lines are installed with the proper slope to ensure flow and avoid backups. For deep excavations, we use trench boxes to protect our crew and maintain a safe worksite. - Stormwater Management
We install stormwater systems that help prevent flooding, control runoff, and maintain environmental compliance — using proper grading techniques to ensure water moves away from your structures effectively.
Why Underground Utilities Matter
- Enhanced Safety
We take every precaution to ensure a safe jobsite. That includes calling Miss Dig to locate all existing utilities before we start digging, and using trench boxes and steel plates during deep excavation to prevent cave-ins and protect our crew. - Long-Term Reliability
We use durable, modern materials like PVC, concrete, and ductile iron designed to last for over 100 years — replacing outdated clay and copper systems. Our goal is to create infrastructure that lasts for generations. - Aesthetic Appeal
Concealing utility lines underground preserves the visual appeal of your property while keeping essential systems protected and out of sight.
Time-Saving Convenience
Our streamlined processes and well-coordinated project management mean less downtime, fewer delays, and a smoother workflow. We handle the details so you can focus on the bigger picture—getting your project completed on schedule.
Cost-Efficiency
We believe in transparent pricing and smart resource allocation. By using proven excavation methods and equipment, we help you keep project costs in check without compromising on quality or safety.
Expert Coordination
Our experienced team knows how to navigate permits, coordinate with subcontractors, and work seamlessly alongside other trades. From start to finish, we ensure every aspect of your excavation project is expertly managed.
We Leave It Better Than We Found It
From tying in gutter lines to restoring grass over a trench, we make sure your site is clean, safe, and finished right — so it looks like we were never even there.