Technology
Triton has developed and deployed two complementary but different underwater harvesting systems. The SHARC™ and Sawfish™ harvesters are the most advanced technologies available to cut and remove submerged timber, each with unique attributes and applications.
The SHARC™ Underwater Harvester |
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The SHARC™ system was designed specifically for reservoirs where submerged timber stands in shallower water (less than 40 meters). The current generation SHARC™ is designed to harvest in depths up to 25 meters, the depths at which the vast majority of timber stands in key tropical reservoirs. Subsequent versions of the SHARC™ system can be built for depths up to 37 meters. The SHARC™ is a barge-mounted, self-contained surface system. Developed over the past two years at Triton’s engineering facilities, the SHARC™ system integrates proven marine and forestry components that are standard and generally replaceable throughout the world from numerous suppliers. Global equipment partners including Caterpillar, Bosch-Rexroth and SATCO contributed proven components to Triton’s overall patent-pending design.
Key SHARC™ features include:i. Sectional barge with three thrusters and integrated Dynamic Positioning System (“DPS”) ii. Modified industrial excavator iii. Telescoping boom capable of reaching 80 feet (25 meter) depths iv. Grapple cutting head with 57 inch (1.5 meter) opening v. Detachable, floating log storage bunks (Click on image for enlargement) The SHARC™ is operated by a single pilot with all navigational, cutting, tracking, and retrieval software integrated into the cab. Multi-view interactive displays feed video, maps and sonar information to guide the pilot to underwater trees. The SHARC™’s DPS automatically keeps the unit stationary through satellite-guided thruster inputs and wireless controls, allowing the operator to focus solely on harvesting trees efficiently and safely. Trees are placed in floating side bunks, which are detached and towed to shore by tugboats once full. At the shore, bunks are unloaded and taken to staging areas where logs are sorted and readied for transportation or milling. Cut and harvest blocks are marked by GPS coordinates for verification and channel marking. Cut counts are tracked for production and certification purposes. |
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The Sawfish™ Underwater Harvester |
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The Sawfish system was designed by Triton specifically for deep water reservoirs and has successfully been deployed for contract remediation projects and harvest operations in extreme conditions in northern Canada, Southeast Asia and the United States. The Sawfish is a patented remotely operated vehicle (ROV) system based on proven components used in other subsea industries such as oil and gas, scientific surveying and marine construction. The Sawfish is operated by a pilot in a control room on a barge. Video and sonar guide the pilot on six computer monitors, with power, communications and compressed air delivered to the Sawfish through an industrial-strength tether.
Key Sawfish features include:
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