silt dredge Articles

  • High depth dredging

    In the dredging market, there is a new emerging trend: deep sea and high depth dredging and exploration. Deep sea exploration represents both a development possibility, and a huge technical challenge, where critical hyperbaric conditions, remote control and maintenance amends play an important role. ...


    By Dragflow S.r.l.

  • SRS Crisafulli Explores Dredging and Hydropower

    SRS Crisafulli Explores Dredging and Hydropower Energy production and consumption worldwide is influenced by many factors.  Resource availability, economic activity, population growth and environmental ...


    By SRS Crisafulli, Inc.

  • Dredging Abrasive Materials? Learn about SRS Crisafulli’s New Dredge

    The Rotomite-6000-C, SRS Crisafulli’s newest self-propelled dredge, broadens the Rotomite-6000’s capabilities to include removal of highly abrasive materials. The Rotomite-6000-C also increases the customer’s return on investment (ROI) by cutting sludge ...


    By SRS Crisafulli, Inc.

  • Case study - SAIPEM off shore dredging

    Location: Baku, Azerbaijan Year: 2007 Off shore platform Working context Petroleum fixed steel platforms are used to extract petroleum from the bottom of the sea. The problem Remove sand and silt around the platform jacket. An application for deep sea and high depth dredging. Working depth: ...


    By Dragflow S.r.l.

  • How Marinas Benefit From Scheduled Dredging

    Scheduled dredging enables marina owners to increase their profits and minimize their environmental impact. The purpose of this article is to highlight the importance and value of scheduled dredging for marinas. Maintaining adequate water depths in each boat slip and on approaches to marinas at low tide is essential to attract and keep the largest yachts in the regional ...


    By SRS Crisafulli, Inc.

  • Case study - SAIPEM off shore dredging

    Location: Baku, Azerbaijan Year: 2007 Off shore platform Working context Petroleum fixed steel platforms are used to extract petroleum from the bottom of the sea. The problem Remove sand and silt around the platform jacket. An application for deep sea and high depth ...


    By Dragflow North America

  • PCB dredging cleanup project begins on Lake Cochituate (USA) case study

    A large ring of yellow buoys floats beside an a LWT 8” Swinging Dragon swinging ladder dredge on the surface of Pegan Cove, marking the area where contractors have started removing sediment contaminated with PCBs, left by an accident at the Soldier Systems Center 30 years ago. The PCBs were found in the section of Lake Cochituate just to the east of Natick Labs. They came from a ...

  • SRS Crisafulli, Inc. ships a shallow draft dredge to Manila, Philippines to ring in 2013

    After a year of close collaboration with the customer, SRS Crisafulli’s versatile resources in both engineering and manufacturing resulted in shipment of a Rotomite SD-110 shallow draft dredge to Maynilad Water Service in the Philippines. Three Philippine firms played key roles to close the deal – i.e., Maynilad Water Services, a private water and ...


    By SRS Crisafulli, Inc.

  • P. W. Gillibrand - sand & gravel producer, Crisafulli Automated Remote Controlled FLUMP System-case study

    Customer: P. W. Gillibrand. Contact: Tom Robertson Type of Facility: Sand & gravel producer P.W. Gillibrand owns and operates an Automated Radio Remote Controlled FLUMP™ Sludge Removal System manufactured by SRS Crisafulli. The dredge is used primarily in the manual mode as the duty cycle duration required was not nearly ...


    By SRS Crisafulli, Inc.

  • Piedroba Dewaters Slurry, Returns Clean Water to Holmes Beach Canals

    This project was a successful application of a total cleaning system (TCS), where the particular type of solids of the sediments permitted the dredger to avoid the costly construction of a dredged material maintenance area (DMMA), or the transportation and tipping fees for a municipal landfill. The surface waters were cleaned in tandem, and contributed to a higher quality benthic environment in ...

  • Case Study: Middlehaven Dock Reclamation Project, Middlesbrough

    Blackwell were initially engaged as the earthworks and remediation contractor for phase one of the enabling package, within the design and build team for the reclamation of the disused dock area in preparation for the development phase including domestic and commercial schemes. The scheme was subsequently extended to include the extension of the developable area into the dock behind a sheet pile ...

  • Customer comparison of Rotomite-6000 to competitive products-case study

    Crisafulli Sales Engineer's field report (May 2003) The Rotomite-6000 was a pleasure to operate. We dredged bottom ash and silt. The Rotomite Cobra Cutterhead's down pressure and articulation capabilities make the Rotomite-6000 effective against crusted sludge. The Customer had an unsatisfactory experience with a competitor's dredge, which they had rented the prior year: the ...


    By SRS Crisafulli, Inc.

  • Geotube Dewatering Technology Unclogs Queen’s Creek and the Queens Lake Marina Waterways - Case Study

    Dredging contractor uses cost effective and innovative dewatenng technology to contain and dewater marine sediments. A build-up of organics, sediments, very fine silt and clay created a major navigational problem for members of the Queens Lake Marina Association, in York County, VA. A contract was issued to dredge and dewater sediments in the boat slips and outside the enclosed slip area. Site ...

  • Coupling vermiremediation with phytoremediation technology to enhance the efficiency of reclamation of polluted marine sediments

    Contaminated (TPHs and heavy metals) dredged sediments from Livorno port (Italy) were biological treated using plants and earthworms. Sediments presented an asphyctic physical structure owing to the silt?clay granulometric composition, a high salty level and a low organic content. A meso-scale experiment was done utilising three different bioremediation treatments: a) plants (Paspalum vaginatum ...


    By Inderscience Publishers

  • Lakefront Property

    With 75 percent of the $45-million, three-story Pier Wisconsin project in Milwaukee being constructed over Lake Michigan, much of the project will be built on piles embedded in the lake bottom.The team from Griffin Dewatering Corporation used a newly developed system designed to screen out silt and reduce turbidity of discharge water. “This is a highly unusual project because it is all ...


    By Griffin Dewatering

  • Confined disposal facilities: History and trends

    ABSTRACT Confined disposal facilities with filter layers have been used for disposal of dredged sediments for decades. Recent assessment of the environmental risk of contaminants in sediments has resulted in the use of lined confined disposal facilities. A case history outlines a contaminated sediment disposal facility designed with geosynthetics. Trends indicate more stringent requirements for ...


    By CETCO

  • In-Barge Dewatering Application Offers Innovative Solution Where Lay Down Area Is Unavailable - Case Study

    Tight space constraints are solved by customized Geotube   units in floating barges. Geotube dewatering technology has been used to deliver high performance solutions all over the world in more than 50 countries. Over 2,000 dewatering projects have taken advantage of Geotube containers since 1991. These have involved both small and large situations for lagoon cleanout, ...

  • WWTP Sludge reduction case study

    Introduction The City of Spring Valley, IL was seeking bioaugmentation to reduce the economic burden of sludge dredging and disposal and to evaluate the possibility of restoring the microbiological activity in the lagoon. The lagoon was flooded several times from the near-by Illinois River, which created different strata of inorganic silt/organic sludge and densely packed sludge at the ...

  • Fountain creek sediment collector - case study

    An innovative sediment management method, a 30-ft wide, high capacity, Sediment Collector, is currently installed in Fountain Creek, Pueblo, Colorado upstream of the confluence with the Arkansas River.  This installation is intended to demonstrate a new technology available to reduce the need for dredging.  The purpose of the Sediment Collector is to demonstrate the capability to lower ...


    By Streamside, LLC.

  • DEC offer Advanced In-situ Immobilisation and Capping Technique for Polluted Sediments

    In the July 2002 issue dedicated to environmental dredging of World Dredging Mining & Construction, DEC present its newly developed in-situ immobilisation and capping technique for polluted sediments, the 3SI-technique. DEME Environmental Contractors N.V. (DEC), a Belgium-based company specialising in remediation and recycling or disposal of water bottom sediments, is offering a vast range ...

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