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First WEDA Brazil Chapter Meeting Held In Rio de Janeiro, November 2007

On the boat tour are, from left, Bubba Savage, Craig Vogt, a colleague, and Ronaldo Torres.

On the boat tour are, from left, Bubba Savage, Craig Vogt, a colleague, and Ronaldo Torres.

Philip Spadaro, left, makes a point to Guilherme Lotufo and Tom Borrowman while Tom Fredette looks on.

Philip Spadaro, left, makes a point to Guilherme Lotufo and Tom Borrowman while Tom Fredette looks on.

Ernie Escola, Bob Randall, Krishna deMoura and Peter Hamburger.

Ernie Escola, Bob Randall, Krishna deMoura and Peter Hamburger.

William Hanson, Richard Easson and Richard Byrd.

William Hanson, Richard Easson and Richard Byrd.

Three colleagues on the exhibit floor.

Three colleagues on the exhibit floor.

Attendees discussing a point in the exhibit hall.

Attendees discussing a point in the exhibit hall.

Attendees at the Brazil Chapter meeting of the Western Dredging Association (WEDA) heard 31 technical papers during the three-day event held December 9 through 12, 2007. Twenty companies brought exhibits to the conference, which was attended by approximately 200 people.

The meeting was held at the Intercontinental Hotel, Rio de Janeiro.

The attendees were mostly from Brazil, however 11 other countries were represented, said Larry Patella, executive director of WEDA, including Argentina, Canada, Colombia, Finland, the Netherlands, the U.S. and Venezuela.

A boat tour in the Rio de Janeiro harbor was featured Sunday, the first day of the conference.

Monday morning, Paulo Rodriguez, event host and WEDA board member, welcomed the group to Brazil.

Included in the program was a site tour to a dredging project conducted by Jan de Nul. The site tour was limited to Brazilian citizens for security reasons.

The technical program included:
Session: Dredging History and Policy in Brazil, chaired by Dr. Hildebrando, DRHIMA UFRJ, Brazil

Pioneer Dredging Projects in the Bay of Guanabara, by Antonio Portellada Cunha, Civil Engineer Terpasa, Brazil; Port Authority´s Regulations in Dredging Activity, by G. Huet de Bacellar Sobrinho, Management of Ports and Coasts, Brazilian Marine Authority; Planning and Execution of Dredging Works, by H. de Araujo Goes Filho, Professor at the DRHIMA Federal University of Rio de Janeiro; Typical Dredging Practices in the United States, by Robert Randall, Texas A&M University; Policy Operations for the Development of Dredging Activities in Brazil, by Dr. Eliane Fadda, CENTRAN, Brazil;


Session: Environmental Aspects Of Dredging and Disposal, chaired by Paulo Rodriguez, ABD-WEDA Brazil

Strategy and Environmental Criteria Applied in the Definition of Ocean Dredge Disposal: The Case of the Port of Ubu, Anchieta – Espírito Santo, by Mauricio Torronteguy; M. Marcelo Travassos & Helio Cardoso Junior, Brazil; Sepetiba Bay Port Access Channel and Harbor Basin Dredging And Reclamation Work, by Jaap Kok, Boskalis/Deme, and Rainer Verhoeven, CSA ThyssenKrupp, Brazil; Navigation Issues on the Amazon North Channel, by Susana Vinzon, Federal University of Rio de Janeiro;

Session: Environmental Aspects of Dredging and Disposal II, chaired by Dr. Robert Randall.

Impact of Environmental Restrictions on Dredging Projects, by Bill Hanson, Great Lakes Dredge and Dock Company, USA; CAD Pit Design and Long-Term Risks for Contaminated Dredged Material at Piaçaguera Canal, Brazil, by Paul R. Schroeder, Thomas D. Borrowman, and Stephen A. Pranger, U.S. Army Engineer Research & Development Center; Short-Term Risks Associated with Confined Aquatic Disposal of Contaminated Dredged Material at Piaçaguera Canal, Brazil, by Joseph Z. Gailani, Paul R. Schroeder, Stephen T. Maynord, Thomas D. Borrowman, Ronald D. Heath, Guilherme R. Lotufo, Susan E. Bailey and Keith Martin, U.S. Army Engineer Research & Development Center,;

Session: Dredging Monitoring/Modeling, chaired by Mauricio Torronteguy, Brazil

Dredging Monitoring Systems for Marine Excavators: Existing Technology and Future Developments, by Alex Kempkes, Sea Tools, BV Holland; Monitoring of the Turbidity Plumes Generated During Disposal of Dredged Material in Open Sea/Open Water, by M. Marcelo Travassos; Carlos Augusto Schetinni; Alexandre Pasolini and Mauricio Torronteguy; CEPEMAR; Av., Brazil.

Session: Management of Contaminated Sediments, chaired by Philip Spadaro, Arcadis.

A Risk Management Case Study: Selecting an Effective Risk-Based Remedial Alternative for Contaminated Sediments, by J. Holder and N. Bullard, Arcadis BBL; P. White, CH2M Hill; D. Michael, Neptune & Co; H. Thurston, Battelle, and M. Parker, U.S. Navy; Past and Future Trends in Environmental Dredging Projects, by Ram Mohan, Anchor Environmental LLC; Thea Foss Waterway Remediation Project: An Example of the Risk-based, Multi-Technology Approach to Contaminated Sediment Management, by Philip Spadaro, Arcadis BBL and Mary Henley, City of Tacoma, Washington;

Session: Dredging Tools and Projects I, chaired by Paulo Rafael, Vale do Rio Doce, Brazil

Modeling of Dredged Material Disposal in Antonina and Paranagua Bays, by A.C.R. Lammardo, M.R.F. Guimaraes, R.B. da Rocha, E.B. Boldrini; Applied Science Associates, Brazil;. Dredging in Port of Tubarão, by Paulo Henrique Tanure de Almeida Rafael, Companhia Vale do Rio Doce, Brazil; Inner Harbor Navigation Canal Dredging Project, New Orleans, by Lotufo Guilherme, U.S. Army Corps of Engineers; Session: Dredging Tools and Projects II, chaired by Paulo A. Grassmann, Brazil Geotextile Tube Designs, Applications and Case Histories, by Jack Fowler, Geotech Associates, USA; Versatile Applications of Hydraulic Dredges, by Bob Wetta, Dredging Supply Company, USA; The Use of Direct Hydraulic Propulsion in Dredging, by Paulo A. Grassmann, Hagglunds, Brazil;

Session: Dredging and Ecology, chaired by R.M. Pinotti, Brazil

An Update on Dredging Impacts on Sea Turtles in the Southeastern USA: A Historical Review of Protection and An Introduction to the USACE Sea Turtle Data Warehouse, by D. Dickerson and D. Pommer, U.S. Army Corps of Engineers; Benthic Community Evaluation Under Dredging Stress Condition in the Harbor of Rio Grande, Southern Brazil, by R.M. Pinotti, C.E. Corradi, and C.E. Bemvenuti, Brazil; Ayetoro Shore Protection Project – A Case Study of the Beneficial Use of Dredged Material, by D. Olowokere, Texas State University

Session: WEDA Environmental Commission Panel, chaired by Craig Vogt, US Environmental Protection Agency

Testing and Evaluation of Dredged Material Disposal in Open Water or On Land, by Tom Fredette, U.S. Army Corps of Engineers; International Guidelines for Environmental Assessment of Dredged Material Under the IMO’s London Convention, by Craig Vogt; Key Factors in Designation of Ocean Disposal Sites for Dredged Material, by Tom Fredette; WEDA’s Environmental Commission: Environmental Issues and Dredging - Working Together to Get the Job Done! - Open Panel Discussion, led by Craig Vogt. Members - Paulo Rodriguez, Thomas Fredette, Philip Spadaro, and Bill Hanson.

At the closing ceremonies Wednesday, Paulo Rodriguez announced that a 2008 meeting of the chapter is planned for December 2008 in Sao Paulo, and Ram Mohan presented the best paper awards.

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