Trotter and Associates, Inc.

Civil Engineering and Design for Municipal and Public Projects

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About the firm

Trotter and Associates, Inc. (TAI) is a full-service civil engineering organization headquartered in St. Charles, Illinois, structured to meet the growing needs of municipal clients in northern Illinois and southern Wisconsin. TAI specializes in resolving complex issues brought on by increased development, changing regulatory environments, and aging infrastructure. Its capabilities span civil engineering design, municipal engineering, water and wastewater engineering, transportation, stormwater management, structural engineering, electrical engineering, and parks and recreation planning.

Firm type
Civil Engineering · Structural Engineering · Electrical Engineering · Water / Wastewater Engineering · Transportation Engineering

Capabilities

Civil Engineering Design

Service website

Water distribution and sanitary collection system engineering, from transmission mains and distribution networks to force mains and gravity sewers.

  • Water Distribution Systems

    Design and analysis of transmission mains and small distribution systems.

  • Sanitary Collection Systems

    Engineering of gravity sewers, force mains, and sanitary laterals.

Construction Administration

Service website

Construction management, resident engineering, inspection, and layout services for public infrastructure projects.

  • Construction Management

    Coordinated oversight of schedule, budget, and contract compliance.

  • Construction Inspection

    Detailed inspection of public improvements to ensure conformance with municipal ordinances.

  • Resident Engineering

    On-site engineering representation to handle design intent and field adjustments.

  • Construction Layout

    Field layout and surveying services to guide construction accuracy.

Electrical Engineering

Service website

and power system consulting, including power distribution, motor controls, system analysis, harmonic mitigation, and backup power designs.

  • Power Distribution

    Design of switchgear, motor control centers, transformers, and lighting systems.

  • Motor Controls & Automation

    Variable speed drives and PLC/SCADA integration.

  • Power Systems Analysis

    Short-circuit analysis, coordination studies, and arc-flash hazard analysis.

  • Harmonic Mitigation

    System analysis and equipment coordination to control harmonics and ensure compliance.

  • Backup Power Systems

    Standby generator, UPS system, and automated transfer design.

Municipal Engineering Design

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Engineering support for local governments to address infrastructure development, regulatory compliance, and system maintenance.

Wastewater Engineering

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Work in this area is organized into supported delivery tasks.

  • Planning

    Support includes Planning.

  • Rehabilitation Of Municipal Wastewater Collection

    Support includes rehabilitation of municipal wastewater collection.

  • Treatment Facilities

    Support includes treatment facilities.

Water Engineering

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Engineering services for municipal water supply, treatment, storage, and distribution systems.

Watershed, Stormwater Management & Drainage Engineering

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Solutions for stormwater drainage, flood control, and watershed management.

Transportation Engineering

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Work in this area is organized into supported delivery tasks.

  • Planning

    Support includes Planning.

  • Rehabilitation Of Roadways

    Support includes rehabilitation of roadways.

  • Highways

    Support includes highways.

  • Municipal Transport Infrastructure

    Support includes municipal transport infrastructure.

Planning & Mapping (GIS)

Service website

Work in this area is organized into supported delivery tasks.

  • Geographic Information System Mapping

    Support includes Geographic Information System mapping.

  • Spatial Analysis

    Support includes spatial analysis.

  • Planning Tools For Municipal Asset Management

    Support includes planning tools for municipal asset management.

Subdivision & Development Review

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Engineering review services to verify that private development projects comply with municipal ordinances.

Parks & Recreation

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Work in this area is organized into supported delivery tasks.

  • Planning

    Support includes Planning.

  • Layout

    Support includes layout.

  • Design Of Municipal Parks

    Support includes design of municipal parks.

  • Open Spaces

    Support includes open spaces.

  • Public Recreational Facilities

    Support includes public recreational facilities.

Structural Engineering

Service website

Work in this area is organized into supported delivery tasks.

  • Structural Design

    Support includes Structural design.

  • Evaluation

    Support includes evaluation.

  • Rehabilitation Services For Municipal Structures

    Support includes rehabilitation services for municipal structures.

  • Public Works Facilities

    Support includes public works facilities.

Surveying Services

Service website

Work in this area is organized into supported delivery tasks.

  • Professional Surveying Services Supporting Infrastructure Design

    Support includes Professional surveying services supporting infrastructure design.

  • Property Mapping

    Support includes property mapping.

  • Public Works Improvements

    Support includes public works improvements.

Industries

Government · Water Supply · Wastewater · Stormwater & Flood Control · Water Resources · Transportation · Parks & Open Space

Projects

Well No. 8 Water Treatment Plant Rehabilitation

St. Charles, IL · Water Supply · Client: City of St. Charles

Project details

Rehabilitation improvements at the Well No. 8 Water Treatment Plant to enhance municipal water treatment capabilities.

Sewer Separation and Detention Basin Project

Addison, IL · Stormwater & Flood Control · Client: Village of Addison

Project details

Sewer separation and stormwater detention basin design and engineering to manage local drainage.

Lead Service Line Replacement Program Phase 2

Fox Lake, IL · Water Supply · Client: Village of Fox Lake

Project details

Water infrastructure modernization project involving lead service line replacement to ensure public drinking water safety.

Jerry A. Botterman STP BNR Upgrade Project

Roselle, IL · Wastewater · Client: Village of Roselle

Project details

Biological Nutrient Removal (BNR) upgrades at the local sewage treatment plant to improve environmental compliance.

Trotter and Associates, Inc. - Engineering Firms