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one pontoon peak tank could easily result in an inclination of more than 10 degrees. With Autoload's 3-D model you can easily predict the effect that damage will have on stability in any direction; the software calculates real shift of free sur- face in slack tanks according to any change in heel or trim. Real-time sensor data is used for tank contents, drafts, mooring tension, riser tension and wind, while the software accommodates differ- ent sets of criteria for different modes of operation. A separate view frame moni- tors the actual maxVCG curve relative to the current condition (draft/vcg). (See Fig. 3) Finally, ASC hasn't forgotten to account for the time-honoured programmers dic- tum, "nonsense in, nonsense out (replace the word "nonsense" as you please). What if data that should have been manually entered somehow gets omitted? What happens if a sensor is mis-reading, or if an operator enters incorrect data? This is where the 3-D model of the displacing vessel saves the day: Autoload Rig com- pares the "calculated draft" with the "real draft", and solves to find the "constant" weight that accounts for the difference. If this "constant weight" and its calculated centre of gravity are within a specified limit, then the loading condition is con- sidered correct. If the constant weight falls outside the limits, the operator is warned and must find the reason for the discrepancy. If you need stability soft- ware for an offshore vessel of any kind, then it is worth contacting an ASC dealer for more information. During the 24 years Autoship Systems Corporation has been producing world- class CAD/CAM and load management software, it has amassed thousands of customers — including the US Navy, US Coast Guard, Newport News Shipbuilding, Teekay Shipping Ltd, Halliburton Subsea, CS Marine Technology Corporation, Rolls Royce, Westwood Shipping Lines, and Wallenius Wilhelmsen Lines, plus private compa- nies and government agencies in every corner of the world. ASC also recently partnered with CS Marine Technology Corporation to offer consulting services for owners and vessel designers doing business in China. ASC's latest load man- agement and stability products include Lloyds and DNV-approved Stowage Management Systems for ro-ro, contain- er, bulk, tanker, and break bulk vessels (all with Autoload included in the sys- tem). Their latest CAD/CAM offerings include Autoship 8.3 (for release next month) for hull design and surface mod- elling, Autostructure 3.0 for internal structural design. Production Manager 3.0 for nesting and other production sup- port, and of course Autohydro 6.0. Circle 49 on Reader Service Card Circle 257 on Reader Service Card Marflex Electric driven Deepwell pumps suitable for barges,-tankers and FPSO'S. Cargo capacities from 50 mVhr upto 150Cmi7hr. Ballast capacities from 200 m'/hr upto 2000 nr'/hr. Worldwide rental service of portable pump equipment. Specialised equipment available for handling chemicals, vegetable oils, molasses, latex etc. Worldwide repair and spare parts service. Louis Pasteurstraat 12 3261 LZ Oud-Beijerland The Netherlands Tel:+31-186-89 02 00 Fax:+31-186-89 02 99 E-mail: lnfo@marflex.com Website: www.marflex.com Circle 251 on Reader Service Card Shipboard Equipment • Fairleads, roller, multi angle • Anchor chains and fittings • Wire and fibre rope • Chain stoppers • Anchors Jetty Equipment • Bollards/Mooring Bitts • All class certification available • Navigation equipment (IALA members) _ Fendering Solutions • Authorised Yokohama fender and hose distributor • Large stocks, new and used, sale, rental and repair • Suppliers to the US Navy, US Lightering industry and US Offshore industry • Solid rubber dockside fendering • Cast boat fendering Fender Care Americas Inc A division of Fender Care Marine Solutions Tel: +1 251 443 9899 Email: wendy.stephan@fendercare.com Website: www.fendercare.com
