Peterson Guadagnolo Consulting Engineers has been rebranded into Trivium Engineering  Learn More →

Civil Engineering That Sets the Stage for Success

Our civil engineering team provides the foundation for every successful project. From site layout and grading to drainage, utilities, and stormwater management, we design infrastructure that prioritizes stability, safety, and long-term efficiency. With expertise in planning, permitting coordination, and constructable design, we help keep projects on schedule and within budget. Whether developing a new site or improving existing conditions, our civil engineering solutions establish the framework for enduring performance and growth.

civil engineering
Our Offerings
Utility Master Planning & Mapping

Utility master plan documents, condition assessments, field documentation, and geo-referenced CAD drawings


Comprehensive evaluations, including condition and capacity assessments, life expectancy analysis, capital budget projections, and cost estimates for capital or maintenance replacements, with detailed recommendations and reporting


Field utility documentation using Leica GPS surveying equipment for accurate and reliable data collection.


District Steam, Chilled Water, & Thermal Energy

  • District Underground Steam Distribution

  • District Underground Chilled Water Distribution

  • District Underground Thermal Energy Distribution


Power Distribution & Communication Systems

  • High Voltage Power Distribution

  • Substations

  • Outside Plant Communication System Distribution


Water, Natural Gas, & Sanitary Sewer Distribution

  • Water Distribution

  • Water Storage Tank

  • Sanitary Sewer Installations

  • Open-Cut Construction Methods

  • Cured-In-Place Pipe (CIPP) Lining Methods

  • Grease & Oil/Water Interceptors


Site Lighting

Detailed fixture selection, modeling, and analysis to confirm appropriate illumination levels are achieved throughout the project site including:



  • Building Entrances

  • Walking Paths and Sidewalks

  • Roads and Driveways

  • Parking Lots

  • Recreation and Sports Fields


Exterior Snowmelt Systems

We design custom exterior snowmelt systems that enhance safety and reduce maintenance and building cleaning costs by reducing damage resulting from ice melt materials being tracked into the building. We have designed custom snowmelt systems for:



  • Sidewalks, Stairs, and Accessible Ramps

  • Ground and Rooftop Level Plazas and Patios

  • Historically Significant Architectural Grand Stairs, Porches, Arcades, and Loggia.


Tell us about your project!

Trivium HQ