News and information for the worldwide dredging industry

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AGG1 Registrations Open

Advance registration opened on October 1, 2008 for the the 2009 AGG1 Aggregates Forum & Expo and World of Asphalt Show and Conference.

The event will be held March 9 through 12, 2009 at the Orange County Convention Center in Orlando, Florida. The shows will be the gathering place in 2009 for the aggregates, asphalt, pavement maintenance and traffic safety industries.

Industry professionals planning to attend the National Stone, Sand and Gravel Association (NSSGA) annual convention being held in conjunction with the shows should register through NSSGA, as the exhibit entry fee is included in convention registration (www. Convention attendees can also register for World of Asphalt and AGG1 education through NSSGA convention registration.

Rick Feltes of Lafarge North America is chairman of the Agg1 Forum and Expo. He said “I am excited to be part of the inaugural AGG1 Aggregates Forum & Expo – a new, exciting event for the aggregates industry, created by the industry. AGG1 … is the number one opportunity for anyone involved in aggregates to network, educate and showcase the latest equipment, services and techniques.

“NSSGA’s educational programming will expand the event’s value for all attendees and exhibitors, and the co-location (with World of Asphalt) will bring new prospects and new customers to your exhibits and seminars.”

Attendees can register online at www. or, or via fax or mail. In addition to exhibits, attendees can register for the show’s educational programming, and obtain show hotel accommodations. Detailed information is available online and in the shows’ attendee registration brochures.

Besides saving valuable time on site, registering in advance – by February 6 – saves 40 percent off the shows’ registration fee. Attendees can also save by registering in advance for the Agg1 and World of Asphalt and educational programming. A bonus for advance registrants is automatic inclusion in a special drawing for Orlando prizes, with the drawing open to those 18 years or older.

More than 6,000 industry professionals from companies large to small are expected to attend the combined shows, and some 400 exhibitors are expected to take 100,000 net square feet of exhibit space.

Several product-focused exhibit pavilions will be featured at the co-located shows to make it easier for attendees and exhibitors to connect and discuss specific operational functions. A New Product and Technology Program will help attendees quickly find new and innovative products and services on the show floor.

To register or obtain a brochure, contact World of Asphalt 2009 – Agg1 2009 Registration Headquarters, c/o Compusystems, P.O. Box 465, Brookfield, Illinois USA 60513-0465; phone 866-710-0769 or +1-708-486-0769; or

Dredging Talks at Agg1

The conference will include two days of educational sessions on all aspects of aggregate production, including processing, personnel, safety and other issues. Scheduled talks on dredging are as follows:

Tuesday, March 10

T51 Maximizing Profits by Understanding Hydraulic Dredge Efficiency

Presenters: Charles Johnson, Dredging Supply Company and Brooks Delaney, RLF Baldwin. This session focuses on understanding and then modifying dredge operation, the dredge/ pipeline system, and the dredge power plant to reduce operating cost and downtime and to increase production.

T62 Hydraulic Dredge Case Studies.

Presenter: Jerry Mock, Oldcastle. This case study depicts the evolution of a sand and gravel cutter head dredge into a cutter head/digging jet dredge capable of mining stiff clays and compacted aggregates.

Presenter: Bill Smith, Vulcan Materials Co. This case study reveals some of the engineering and operational decisions that led to the deepest mining hydraulic dredge in North America.

Presenter: John Jones, Custom Dredge Works. This case study illustrates the benefits of a chain ladder dredge in sand and gravel deposits with large aggregate.
Wednesday, March 11

W41 Automation 101: Aggregate Plant Automation 101.

Presenters: Jay Wise, Kruse Controls, Inc. and Mike Sassano, Kruse Controls, Inc. This seminar will provide an overview of prevailing automation technology and discuss how this technology could be applied to an existing aggregate plant. The merits of different implementation strategies will be discussed. Finally, benefits and justifications for various automation components will be reviewed.

W43 Clamshell Extraction to Load Out.

Presenters: Chris Nelson, Rohr Corporation, Dennis Miller, Central Pre-Mix. This session focuses on ability of, and integrated technology involved in making a clamshell dredge efficiently mine, process, convey and deliver aggregate as a turn-key system.

W52 Mechanical Dredge Case Studies.

Presenter: Brad Barton, Miles Sand & Gravel. This case study presents the use of two different mechanical dredge systems, the bucket ladder dredge and the clamshell dredge.

• Case study 2. This case study demonstrates the high production capabilities and throughput of one of the largest mining dredges in North America, a twin-twenty cubic yard clamshell.

• Case study 3. This case study compares the differences between owning and operating a Luffing jib dredge and a gantry-type clamshell dredge system from the vantage point of a family-owned producer.

W62 Dredging Round Table Discussion

Presenters: All dredge manufacturers and suppliers (Rohr, Supreme, Dredging Supply, Custom Dredge Works, Twinkle) This will be an interactive session with the audience allowing specific dredge related questions to be posted to the panel for consideration, such as: What is the right type of dredge for my deposit? Is conveying more economical than pumping? How deep can I dredge?

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