Tunneling and Trenchless

Our tunneling and trenchless solutions enable us to facilitate infrastructure projects where conventional methods would disrupt constituents’ quality of life or would be too expensive. From trenchless road crossings for water lines to deep gravity tunnels for stormwater and wastewater, Freese and Nichols tailors this specialized service to meet your needs for projects of all sizes.

  • Concept development and evaluation
  • Tunnel route studies
  • Shaft site selection
  • System hydraulics evaluation, computational fluid dynamics (CFD), and surge modeling
  • Desktop environmental/remedial investigations
  • Alternatives analysis
  • Tunnel excavation method evaluation
  • Economic evaluation and life cycle cost analysis
  • Tunnel and pipe design
  • Permitting and regulatory approvals
  • Public input support
  • Odor control/cleaning facilities
  • Geotechnical investigation and interpretation
  • Risk management
  • Data collection and GIS management
  • Construction inspection
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Benbrook Connection Project

Tarrant Regional Water District, Texas

HCFCD Tunneling Phase 1

Deep Tunnel Study Phase One

Harris County Flood Control District, Texas

Mary Rhodes Pump Station microtunneling

Mary Rhodes Pump Station

City of Corpus Christi, Texas

BCRUA Phase Two Raw Water Delivery System

Brushy Creek Regional Utility Authority, Texas

League City Watershed Study

Lower Clear Creek and Dickinson Bayou Watershed Study

City of League City, Texas

Main Stem Pump Station microtunneled intakes

Main Stem Pump Station Microtunneled Intakes

North Texas Municipal Water District

Mary Rhodes Pipeline

City of Corpus Christi, Texas

Granger Lake Raw Water Pump Station

Granger Lake Raw Water Pump Station

Brazos River Authority, Texas

Barnett and Eagleford Shale Gas Gathering Infrastructure

Chesapeake Energy

Wastewater Collection System Study for FEMA Disaster Mitigation Program

City of Houston, Texas

Mansfield Bypass Pipeline Crossing Tunnels

Tarrant Regional Water District, Texas