ROBERT B. BITTNER, P.E. - President

Major Assignments (back)
Immersed Tube TunnelsLocks & DamsPorts & HarborsBridgesOffshore & Arctic Structures Outfalls, Intakes & Marine Pipelines

Immersed Tube Tunnels (top)
  • Design/construction consultant to Penta-Ocean-China State Joint Venture for the new NSL Cross Harbour Tunnel in Hong Kong, Shatin to Central Link.
  • Design/construction consultant to Flour for Sharq Crossing Immersed Tube Tunnels in Doha harbour, Qatar.
  • Design consultant with Femern A/S for the new 19km immersed tube tunnel connecting Denmark and Germany. Mr. Bittner performed constructability reviews on methods of casting and launching precast tunnel elements.
  • Design consultant with COWI A/S on means and methods for casting and launching tunnel elements for the Hong Kong-Zhuhai-Macao Link Tunnel.
  • Design consultant with COWI A/S for development of the foundation concepts used on the Busan-Geoje Tunnel in Korea. The concept supported tunnel elements on 2135 mm diameter drilled shafts in 50 m water depth.
  • Specialty consultant with Ben C. Gerwick, Inc. (BCG) on the Fort Point Tunnel Leak Investigation for the Boston Central Artery Authority.
  • Consultant (with BCG) on the seismic retrofit of the George Massey Highway Tunnel under the Frazer River at Vancouver, B.C., Canada. Mr. Bittner working with Buckland & Taylor, Ltd. developed techniques for strengthening tunnel joints and ground improvement around the tunnel to prevent liquefaction.
  • Project Manager (for BCG) on the earthquake retrofit of Posey-Webster Street Tubes connecting Oakland and Alameda under the Alameda Estuary. Developed retrofit options from initial conception though detailed design.
  • As Engineering Manager for Oresund Tunnel Contractors, Mr. Bittner supervised design of all permanent works and temporary works for the Oresund Link Tunnel connecting Denmark and Sweden, the largest immersed tunnel in the world. Led a team of engineers in the design and development of a precast production facility for the match casting and incremental launching of 160 tunnel segments weighing up to 7000 tons each. The dual production line facility has the capacity to produce and launch an average of one 175-meter long, 56,000-ton tunnel element per month.
  • As Bid Manager for the Oresund Tunnel Contractors Joint Venture, Mr. Bittner supervised the successful $685 million tender for the Design/Build Oresund Link - Tunnel Contract.
Locks and Dams (top)
  • Project Manager (for BCG) for the design of Braddock Dam on the Monongahela River for the US Army Corps of Engineers. This design incorporated the use of a new float-in-method, a first within the Corps of Engineers, and unlike any traditional method used before.
  • Project Manager (for BCG) on various studies for the US Army Corps of Engineers evaluating the use of innovative construction techniques for new locks and dams on the Monongahela River.
  • Design consultant (with BCG) to the US Army Corps of Engineers for development of innovative cofferdam solutions for the new Kentucky Lock and the new Chickamauga Lock.
  • Chief Engineer for Riedel International on the Itaipu Dam in Brazil, responsible for designing the equipment used in the dredging and dewatering of the main dam site.
  • Project Manager for Riedel International on the Itaipu Dam for the recovery of the 12 diversion canal gates from a depth of 350 ft of water. Supervised the design, construction and operation of a 750-ton capacity lift barge used in the recovery of the gates.
Ports and Harbors (top)
  • As Chief Engineer with Ben C. Gerwick, Inc, Mr. Bittner developed the layout and mooring system for the floating security barrier at the U.S. Navy's Military Ocean Terminal - Concord (MOTCO) in California.
  • As Project Manager (with BCG) supervised the design of the U.S. Navy's new Carrier Pier 10 & 11 at San Diego, California
  • As Chief Engineer of Riedel International, Mr. Bittner developed methods and equipment for construction of the following major marine terminals:
  • Trident Submarine Refit Piers No. 1 & 2 and Dry-dock Site Preparation for the US Navy at Bremerton, Washington
    Roberts Bank Coal Terminal, Vancouver, B.C., Canada
    Ridley Island Coal Terminal, Prince Rupert, B.C., Canada
    Pac Coal Terminal, Portland Oregon
  • As Operations Manager of Riedel International, supervised the construction of the following major marine facilities:
    Rincon Point Marina, San Francisco, CA
    Fisherman's Wharf Breakwater for Corps of Engineers, San Francisco, CA
    Humboldt Bay Jetty for Corps of Engineers, Eureka, CA
    Gaviota Marine Terminal for Chevron, Santa Barbara, CA
    Huntington Beach Municipal Pier, Huntington Beach, CA
    Container Terminal No. 2 for the Port of Portland, OR
  • As Field Engineer and Field Superintendent with Pomeroy-Gerwick, supervised construction of the following marine terminals:
  • Seatrain Container Terminal, Port of Oakland, CA
    7th Street Container Terminal, Port of Oakland, CA
    East Intercourse Island Iron Ore Loading Terminal, Dampier, West Australia
Bridges (top)
  • Design manager for in-water foundations for the Tri-Met Willamette River Bridge in Portland, Oregon.
  • Foundation consultant with COWI A/S on the following major bridges: Su-Tong Bridge across the lower Yangtze River, China, the longest cable-stayed bridge in the world. Second Tacoma Narrows Bridge, Washington State Chacao Bridge, Chile Dong Hai Bridge (32 km open-sea crossing), China Hangzhou Bay Bridge (22 km open-sea crossing), China 2nd Inchon Bridge, Korea
  • Foundation Design Manager with Ben C. Gerwick, Inc. (BCG) for the main span and approach spans of the Cooper River Bridge in Charleston, South Carolina, the longest span cable-stayed bridge in the North America.
  • As Senior Project Manager with BCG, Mr. Bittner developed the initial concepts and supervised the detail design of an innovative float-in cofferdam system for the Bath-Woolwich Bridge across the Kennebec River at Bath, Maine. Mr. Bittner later supervised the adaptation of this concept for the bridge foundations on the new Carquinez Bridge, the new San Francisco-Oakland Bay Bridge and the new Benicia-Martinez Bridge in California. These same concepts were later used to construct the foundations for 3 major bridges in East Asia.
  • As Chief Engineer for Riedel International, Mr. Bittner developed construction methods and designed falsework, cofferdams, caissons, heavy lift equipment, and pile driving equipment for the following major bridges:
    I-205 Columbia River Bridge - North Channel Crossing at Portland, Or.
    I-205 Columbia River Bridge - South channel Crossing at Portland, Oregon.
    Union Pacific Railroad Bridge No. 7.44, across Columbia River at Pasco, WA.
    I-90 East Channel Bridge, Mercer Island, Washington
    Swinomish Channel Bridge, Skagit County, Washington
    Annacis Channel Bridge, Vancouver, B.C., Canada
  • As Operations Manager for Riedel International, Mr. Bittner supervised construction of the following major bridges:
    Burlington Northern RR Bridge No. 5.1, Willamette River at Portland, Oregon
    Mount St. Helens Highway Bridge across Toutle River
    Snake River Highway Bridge at Franklin, Washington
    Southern Pacific RR Bridge across Santa Ynez River
    Santiam River Bridge at Albany, Oregon
    Puget Island Bridge across Columbia River at Cathlamet, Washington
  • Supervised emergency repairs to the following major bridges:
    Burlington Northern RR Bridge No. 5.1, Willamette River at Portland, Oregon
    Hawthorne Bridge across Willamette River at Portland, Oregon.
    Burlington Northern RR Bridge across Toutle River at Castlerock, Washington
Offshore and Arctic Structures (top)
  • As Chief Engineer for Riedel International, developed the concepts and designed the equipment for installation of Dome Petroleum's Tarsuit Island in the Beaufort Sea, the first Caisson Retained Island in the Canadian Arctic used for oil exploration.
  • As Chief Engineer for Riedel International, developed the installation procedures and equipment for the construction of Island Esther, Chevron's Oil Production Platform off the coast of Southern California.
Outfalls, Intakes and Marine Pipelines (top)
  • As construction consultant with Ben C. Gerwick, Inc. (BCG), participated in the design of the following marine intakes:
  • Performed constructability review and developed methods for installation of 13,000 LF of outfall with diffuser termination in 300 ft of water at Lake Mead.
  • Performed constructibility review (for BCG) on the design of 5 ocean intakes for the Qinshan Power Plant in Qinshan, China.
  • Prepared conceptual design and cost estimate (for BCG) for a turbidity control system during construction of a new intake in Youngs Lake for the City of Seattle.
  • Prepared conceptual design and cost estimate (with BCG) for a turbidity control system during construction of a new intake in Lake Mathews for the Metropolitan Water District of Southern California.
  • Prepared conceptual design and installation methods for an ocean intake system for the Aquam International at their facility in Baja California..
  • As Chief Engineer for Riedel International, developed the construction procedures and equipment for installation of the following ocean outfalls and shoreline crossings:
  • Newport Beach Ocean Outfall, Newport, OR
    Brookings Ocean Outfall, Brookings, OR
    Eureka Ocean Outfall for George Pacific at Eureka, CA
    Santa Ynez Shoreline Crossing for Exxon near Santa Barbara, CA
    Installation and burial of AT&T's Trans-Pacific Fiber Optic Cable Shoreline Crossing at Point Arena, CA
    Installation and burial of AT&T's Fiber Optic Crossing of San Francisco Bay
  • As Lay Barge Engineer for Santa Fe- Pomeroy, supervised installation of 24" and 16" oil production pipelines in 250 ft of water in Bass Strait between Australia and Tasmania.