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Sanitary Sewer System Construction work by Dunn Infrastructure Group

Sanitary Sewer System Construction

Our sanitary sewer construction services deliver complete solutions for municipal, commercial, and private sewer systems. We specialize in building reliable, efficient sewer infrastructure that meets the highest standards of quality and environmental protection.

01Scope

What's included

  1. 01Complete sewer system installation and rehabilitation
  2. 02Advanced trenchless technology options
  3. 03Mainline and lateral installations
  4. 04CCTV mainline & lateral inspections
  5. 05Compliance with all regulatory standards
  6. 06Modern equipment and techniques
02Process

How the job runs, start to closeout.

  1. 1

    Site Analysis

    Comprehensive evaluation of terrain, existing infrastructure, and environmental factors.

  2. 2

    Engineering & Design Review

    Detailed system design review incorporating flow requirements, grade considerations, and future capacity needs.

  3. 3

    Construction

    Professional installation using modern techniques and equipment for optimal results.

  4. 4

    Quality Control

    Rigorous testing and inspection to ensure system integrity and compliance.

  5. 5

    System Documentation

    Complete documentation including as-built drawings and maintenance guidelines.

04Markets

Who we do this work for

Sanitary Sewer System Construction looks different depending on who's buying it. Pick the closest fit to see how we scope, schedule, and close out the work.

05FAQ

Sanitary Sewer System Construction: frequently asked questions

What is the difference between sanitary sewer and storm sewer systems?

Sanitary sewers carry wastewater from homes and businesses to treatment facilities, while storm sewers handle rainwater runoff and direct it to local waterways. They are separate systems with different design requirements, materials, and regulatory standards.

What is trenchless sewer installation?

Trenchless technology allows sewer pipe installation with minimal surface disruption using methods like horizontal directional drilling (HDD) or pipe bursting. This approach reduces excavation, preserves landscaping, and shortens project timelines compared to traditional open-cut methods.

How do you ensure sewer line integrity after installation?

We perform CCTV camera inspections, air pressure testing, and mandrel testing on all completed sewer installations. These quality control measures verify proper alignment, joint integrity, and compliance with local standards before the system is put into service.

What pipe sizes do you install for sanitary sewer systems?

We install sanitary sewer pipes ranging from 4-inch residential laterals to 36-inch and larger trunk lines. Pipe size is determined by flow calculations, local engineering standards, and the number of connections the system needs to serve.

Last updated: September 24, 2026