Tunnel Case Studies

Project

Type

Products Used/Method

Engineers/Contractors

Status

Toronto Transit

Commission

Toronto, Canada

 

Sheppard Ave

Subway Tunnels

Segments

 

Insert Used: 3/4” Insert

Application: Segment Anchoring

Quantity: 212,000

Diameter: 17.5 ft

Length: 11,600 ft

 

Engineer: Hatch Assoc.

Precaster: Concast Guelph, Ontario

Contractor: McNally PCL Foundation J.V. Ltd.

 

Started 1995

Completed 1998

 

LA Water District

West Hollywood Tunnel

Los Angeles, CA

 

Water Tunnel

Segments

 

Length: 4,593 ft

Application: Segment Anchoring

Insert Used: 5/8”

Quantity: 32,000

 

Engineer: Parsons Scientific

Contractor: Elmore Wood

Tel: (818)898-1007

 

Completed 2000

 

 

North City Metro

Interceptor Tunnel

San Diego, CA

 

Sewage Outfall

Tunnel Segments

 

Insert Used: 3/4” Insert

Application: Segment Anchoring

Quantity: 23,000

Diameter: 15 ft

 

Engineer: Parsons Engineering & Science

Contractor: McNally PCL Foundation J.V. Ltd.

Contact: Pat Newcomb /Project Manager

Tel: 509-636-2086

 

Completed 1997

 

Tren Urbano Transit

System

Puerto Rico

 

Rio Piedras

Transit Tunnel

Segments

 

Insert Used: 1” Insert

Application: Segment Anchoring

Quantity: 20,000

Diameter: 21 ft

Length: 3,500 ft

 

Engineer: Kiewit

Contractor: Marmolejo Cont.

Contact: Mehdi Ghazi/ Project Manager

Tel: 503-630-6379

 

Completed

 

Waukesha Water Tunnel

Waukesha, WI

 

Water tunnel

Insert Used: 3/4”” Insert

Application: Segment Anchoring

Quantity: 28,000

Diameter: 14 ft

Length: NA

 

Engineer: N/A

Segments: CSI-Waukesha JV

Contact: John Hart

Tel: (703) 946-7330

 

Completed

 

Big Walnut Augmentation/

Rickenbacher Interceptor

Columbus, OH

 

Outfall Tunnel

Segments

 

Insert Used: 3/4” Insert

Application: Segment Anchoring

Quantity: 60,000

Diameter: 14 ft

Length: 21,400 ft

 

Engineer: URS Corp.

Precaster: CSI/Tunnel Systems

Contractor: JayDee / Michaels / Traylor Bros.

Contact: John Hart

 

Started 2004

Completed 2006

 

Metro Caracas

Caracas Venezuela

 

Transit Tunnel

Segments

 

Insert used: 3/4” Insert

Application: Segment Anchoring

Diameter: 14 Ft.

Quantity: 100,000

 

Contractor: Ghella Group

Contact: Vito Di Corato

 

Started 2004

Completed 2006

 

Moscow Metro Extension

Moscow, Russia

 

Transit Tunnel

Segments

 

Insert Used: 20mm Insert

Application: Segment Anchoring

Quantity: 17,900

Diameter: 4.27 meters

 

Customer: Lovat, Inc

Precaster: Charcon Tunnels, UK

Contact: Howard Lloyd

Tel: 011441623754493

 

Completed 2004

 

23rd Avenue Storage

Edmonton, Alberta

 

Water Tunnel

Segments

 

Insert Used: 1” Insert

Application: Segment Anchoring

Quantity: 13,000

Diameter: 3.2 meter

Length: 1.2 km

 

Customer: Aecon/McNally JV

Contractor:

Contact: Mehdi Ghazi/ Project Manager

Tel: 503-630-6379

 

Completed 2004

 

Arrowhead Tunnel Project

San Bernardino, CA

 

Water tunnel

Insert Used: 1/2” casting plugs

Application: Utility hangers

Quantity: 75,000

Diameter: NA

Length: 43,000 ft.

 

Customer: Traylor/Shea/ Ghazi

Contact: Mhedi Ghazi

 

Completed 2006

 

Brightwater East Project

Seattle WA

 

Outfall Tunnel

Segments

 

Insert used: 3/4” Insert

Application: Segment Anchoring

Diameter: NA

Quantity: 34,000

 

Engineer: Jacobs Associates

Precaster: CSI/Tunnel Systems/Hanson JV

Contractor: Kenny / Shea / Traylor .

Contact: John Hart

 

Started 2007