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Cofferdams services for Water and Wastewater

  • Wetland and Sediment Remediation

    Wetland and riparian areas are often the final location for many contaminants as they move through the environment’s fluvial and terrestrial systems. Remediation of these areas often involves specialized techniques such as bypass pumping, large scale dewatering, dredging, solidification and restoration of wetland habitat. OP-TECH offers the ...

    By OP-TECH Environmental Services, Inc. based in East Syracuse, NEW YORK (USA).

  • Diving Services

    AAC provides full service diving services on a 24-hour, seven days a week, emergency and non-emergency response basis. Our highly skilled and experienced divers use the latest in diving technology and equipment to respond to all of your diving needs.

    By Advanced American Construction, Inc. based in Portland, OREGON (USA).

  • Steel Fabrication Services

    Having our own in-house capabilities allows us to be more competitive on all areas of our business. With our fabrication facility located at our home office it allows project management to follow schedules tightly and quickly adjust to field changes.

    By Gerace Construction Company based in Midland, MICHIGAN (USA).

  • Serving The Civil, Environmental, Industrial & Municipal Markets Services

    Bridge inspections, maintenance & repairs. Coffer dam installation, maintenance & repairs. Dam inspections, maintenance & repairs. Hazardous waste site inspections, maintenance & repairs. Hydro electric plant inspections, maintenance & repairs. Intake Installation, inspections, maintenance & repairs. Lock inspections, ...

    By Hunt Underwater Specialties based in Clayton, NEW YORK (USA).

  • Geotechnical Construction Services

    Wagman’s Geotechnical Construction Services provide a variety of Earth Retention Systems (permanent and temporary) to meet the needs of our public and private sector clients.

    By G.A. & F.C. Wagman Inc based in York , PENNSYLVANIA (USA).

  • Cofferdam Installation Services

    A Dam-it Dams cofferdam installation is very simple. On-site water is pumped into the two fill tubes causing the dam’s chambers to slowly and evenly inflate, forming a strong, stable cylindrical tube. As the inner tubes continue to fill and the water pressure builds, the dam unrolls in a controlled manner to create the Cofferdam. Contractors ...

    By Dam-It Dams Inc. based in Fenton, MICHIGAN (USA).

  • Environmental Engineering

    Alden has a team of experienced engineers and scientists that is widely recognized for helping our clients solve flow, operational, design, and environmental problems at cooling water intake structures, hydroelectric stations, and other water resource projects.

    By Alden Research Laboratory, Inc. based in Holden, MASSACHUSETTS (USA).

  • Earth and Rockfill Dams Services

    Cornforth Consultants offers a broad range of technical services for earth and rockfill dams. Our geotechnical/geology team has considerable experience on dam design and construction. Cornforth also acts as lead consultant for multidisciplinary teams to provide the skills needed for a complete dam design or safety inspection. Several of our ...

    By Cornforth Consultants, Inc. based in Portland, OREGON (USA).

  • Cofferdam Construction and Installation Services

    Crofton Diving maintains a 200 plus stock of various sized cofferdams that are structurally engineered to service the many needs of our clients. These in-house designed devices are available to provide emergency blanking operations for in-water repairs of systems on board vessels, interior to power, pulp, or chemical plants, and around exterior ...

    By Crofton Industries based in Portsmouth, VIRGINIA (USA).

  • Diving Services

    URI diving personnel are particularly qualified and experienced working in “black water”, turbid water and high tidal current conditions normally present here in the SF Bay.

    By Underwater Resources Inc based in San Francisco, CALIFORNIA (USA).

  • Wetlands/Sediment Remediation Services

    ENTACT has performed numerous projects involving excavation of sediments, soils replacement, channel configuration and stabilization, construction of predation barriers, habitat construction, and restoration planting for both emergent freshwater wetlands and tidal marsh regimes. Our crews are proficient in managing storm water and tidal influences ...

    By ENTACT, LLC based in Grapevine, TEXAS (USA). from Remediation Services Service line

  • Geo-engineering

    Geo-engineering is a field of work that embraces the specialisations of foundation engineering and soil mechanics. These disciplines are an essential part of almost every project in our line of consultancy. Working in the ground and with earth involves risks, sometimes with enormous consequences. Thinking in terms of geotechnical risks and ...

    By Witteveen+Bos Consulting Engineers based in Deventer, NETHERLANDS. from Deltas, Coasts and Rivers Service line

  • Ocean and Waterfront Facilities

    PCCI provides professional engineering services across multiple disciplines to offer an array of ocean and waterfront engineering services. Design capability includes computer-assisted hydrodynamic and structural modeling and analysis, drawings, engineering and cost tradeoff studies, test planning, procurement specification development, and ...

    By PCCI Inc based in Alexandria, VIRGINIA (USA). from Engineering Service line

  • Bulkheading/Plugging Services

    Hibbard Inshore has a wide range of experience in projects involving either permanent or temporary plugging of holes in problem areas such as flooded shafts or tunnels. After consulting with the customer, Hibbard Inshore performs a detailed inspection of the area, taking measurements of any potential sealing surfaces to determine the condition of ...

    By Hibbard Inshore based in Auburn Hills, MICHIGAN (USA). from Construction Service line

  • Dive Inspections Services

    J.F. Brennan Company divers are all certified commercial divers with extensive experience in water-based infrastructure. Each team member understands the construction process and can recommend cost-effective solutions that will ensure a quality repair. This results in collaborative, cost-saving options for clients and engineering firms.

    By J.F. Brennan Co., Inc. based in La Crosse, WISCONSIN (USA). from Marine Constructions Service line

  • Bridge Construction Services

    At IEA, we design, build and repair bridges and overpasses for pedestrian and vehicle traffic in all kinds of terrain and locations. Our experts are skilled in bridge design, building and rehabilitation, from site surveys and analysis, to detailed planning, estimating, engineering and construction management. Our heavy civil team has all the tools ...

    By Infrastructure & Energy Alternatives LLC (IEA) based in Westchester, ILLINOIS (USA). from Civil Infrastructure Service line

  • Pipeline Crossing Services

    Oil and gas pipelines often cross the paths of rivers and streams. If a new pipeline is to be installed below the riverbed, or an existing pipe has to be inspected or repaired, the work area along the alignment of the pipe must be isolated, to support dewatering efforts. Depending on the scope of work, a “U-shaped” AquaDam cofferdam ...

    By Aqua Dam, Inc. based in Scotia, CALIFORNIA (USA).

  • Geotechnical Design and Construction Services

    Ninyo & Moore provides geotechnical design and construction services for both temporary and long-term retaining structures for various applications. We evaluate the site-specific conditions, wall height, transient and permanent loads, seismic loading, hydrostatic pressures, as well as many other parameters, in order to provide design ...

    By Ninyo & Moore based in San Diego, CALIFORNIA (USA). from Geotechnical Service line

  • Heavy Civil / Marine Construction Services

    With its own fleet of construction and marine equipment, AAC affords clients scheduling flexibility, experienced crews working on well-maintained and familiar equipment, and competitive pricing. With the right tools for the job, AAC can perform safer, quicker and smarter.

    By Advanced American Construction, Inc. based in Portland, OREGON (USA).

  • Dredging Services

    Javeler Marine Services LLC is a full service specialty dredging company with an experienced dredging team and a premier fleet of offshore excavation and dock and pile dredging equipment. The versatile portability and performance capabilities of our equipment coupled with years of dredging experience enables us to provide safe and responsible ...

    By Javeler Marine Services LLC based in Delcambre, LOUISIANA (USA).

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