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Tunnels

In recent years, we have expanded our expertise and capabilities in the field of tunneling, always keeping safety in the forefront. Today, Barnard personnel have expertise in all types of tunneling techniques and technologies, including:

  • Hard rock
  • TBM
  • EPB
  • Slurry machines
  • NATM
Project List
Snoqualmie Falls Hydroelectric Redevelopment
Location: Snoqualmie, Washington
Owner: Puget Sound Energy, Inc.
Engineer: Klohn Crippen Berger
Completion Date: Currently under construction
Contract Value: Confidential at owner's request
Final Design & Construction of the ARC Manhattan Tunnels
Location: New York, New York
Owner: A partnership of New Jersey Transit Corporation and the Port Authority of NY & NJ
Engineer: Halcrow Engineers, P.C.
Completion Date: Currently in Design
Contract Value: $583 million
Lake Mead Intake No. 2 Connection and Modifications Project
Location: Las Vegas, Nevada
Owner: Southern Nevada Water Authirity
Engineer: MWH/Hill A Joint Venture
Completion Date: April 2010
Contract Value: $32 million
66-Inch Ellis Avenue Trunk Sewer Project
Location: Fountain Valley, California
Owner: Orange County Sanitation District
Engineer: Malcolm Pirnie, Inc.
Completion Date: April 2008
Contract Value: $32.79 million
South Central Lubbock Drainage Improvements
Location: Lubbock, Texas
Owner: City of Lubbock, Texas
Engineer: Parkhill, Smith, and Cooper, Inc.
Completion Date: September 2003
Contract Value: $33.9 million
Plateau Creek Pipeline Replacement - Phase 2
Location: Grand Junction, Colorado
Owner: Ute Water Conservancy District
Engineer: Camp Dresser and McKee
Completion Date: October 2001
Contract Value: $44.5 million
North Outfall Sewer Rehabilitation Modifications
Location: Los Angeles, California
Owner: City of Los Angeles
Engineer: City of Los Angeles
Completion Date: August 1998
Contract Value: $5.3 million
Our Projects


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