A well car, also known as a double-stack car or stack car (also well wagon), is a type of railroad car specially designed to carry intermodal containers (shipping containers) used in intermodal freight transport. Aug 19, 2018 - Your personal assistant has the solution for your technical problem - whether it is a minor annoyance or a catastrophic failure. Protect your Mac.

This cages are developed for industrial farming of various fish species (i.e.: Sea bass, Sea bream, Grouper, Salmon, Trout, Sturgeon) all the year round at exposed open water areas such as seas and oceans. To prevent damage from storm impact and to provide optimum conditions for fish farming, the cage can be submerged. Completed with a painted or galvanized framework with a net chamber enclosed and a feed bunker on it allowing automatic feed supply and farming process supervision. To place the cage vertically, it is equipped with a special system providing its surfacing, submerging and positioning at a depth of 4-40 meter. Horizontal positioning of the cage is provided by the system of anchorage including anchor ties and anchors.

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Lightness and tracery of the cage are in full accordance with the sea landscape. The cage structure is produced to the 'Rules for Building and Classing Underwater Vehicles, Systems, and Hyperbaric Facilities' and passes control assembling and testing at the manufacturing plant. It will have the certificate of the official 'Maritime Register of Shipping'. The steel work is marked and packed as packages or in boxes which can be transported in a standard 40-feet container. The basic material of the (polygon) framework consists of rod welded tubular low carbon (grade A) steel elements, connected with each other by flange bolts. The three-dimensional framework forming a regular nonahedron in plan, with three slanting trusses, running from the vertical columns to the geometric centre, closing at the feeder casing. The upper contour is completed with service platforms, passage walkways (500 mm wide) with railings (1.000 mm high) and removable hand ropes, also to the feed bunker.

The walkways and brackets are made of pipes with 120 mm in diameter. The vertical columns (720 mm in diameter, 2.250 mm long) house permanently buoyancy compartments, balancing tanks, and compensation tanks of residual buoyancy resulting from discharge of changing loads. Also sensors that measure depth of submergence, water temperature and underwater acoustic are housed there.

The 5.980 mm long horizontal members of the bottom contour are made of pipes with 478 mm in diameter and house the main ballast tanks and compressed air cylinders, 6 of which are ballast compartments and 3 are compressed air cylinders. Three mooring walls with wooden guard rails are provided for service boat mooring. To provide for safety of work of the attending personnel, the cage is equipped with removable single row life-lines. The shape of the whole structure and all separate sections are adjusted so that the cage experiences minimum rolls and trims at waves and current. The experience of the underwater system operation has proved that the operation in the water column is the most effective structural measure to protects structures from corrosion. Hot galvanized coating provides the structure service life of more than 20 years. This coating is reliable, practically excluding restoration and repair.