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Review nr 1. 2003 - TTS Group ASA

Review nr 1. 2003 - TTS Group ASA

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The elevator system consists of three main components:<br />

• Platform<br />

• Cantilever beam with wheel, slewing ring and swing gear<br />

• Guiding column<br />

• Hoisting machinery<br />

• Hydraulic system<br />

• El. control system<br />

The platform is built as an open construction with solid top plate and<br />

stiffener reinforced for the slewing ring in the centre.The outside<br />

edge of the platform is protected with hard rubber.The cantilever<br />

beam is of box construction to enable it to take bending and torsion<br />

forces.The outer end if arranged for housing the swing gear with<br />

electric motor and brake.The cantilever beam has six driving wheels<br />

fitted with double roller bearings in a completely sealed system.The<br />

axle is of stainless steel.<br />

The swing of the platform is controlled by limit switches and<br />

rubber stoppers for accurate positioning, while double lifting wires<br />

<strong>TTS</strong> <strong>Review</strong> June <strong>2003</strong> 11<br />

are connected to a lever in front of the vertical cantilever beam.<br />

The guiding column is delivered as a complete unit with rail for<br />

elevator, lifting equipment, lever for hinges, cylinder for swing,<br />

locking arrangement for column in inner position and hydraulic<br />

stopper for elevator in TD level.<br />

<strong>TTS</strong>’s contract also calls for the design and supply of:<br />

• Extension splash covers for each side door<br />

• Pontoon hatch covers arranged in the top of each side door<br />

tower to provide access to the cargo hold for FLTs<br />

• Wheel stoppers (5)<br />

• Hydraulic barriers on each deck/elevator (10)<br />

• Side-hinged bulkhead doors (3)<br />

• Top-hinged bulkhead doors (8)<br />

• Hydraulic and electrical system<br />

The lead vessel in the Spliethoff’s newbuilding series in Poland is due<br />

for delivery in 2004, followed by the remaining vessels at abt 4<br />

month intervals.The Dutch operator also has an option on a further<br />

four vessels of the same type and size.<br />

The principal of the <strong>TTS</strong> side loading system is based on the<br />

premise that the best way to load or discharge cargo is by the shortest<br />

possible path – through the ship’s side. Key benefits of side loading<br />

systems are:<br />

• Compact stowage of cargo<br />

• Low cargo damage rates<br />

• Cargo handling operations independent of tidal variations<br />

• Small demand on port facilities<br />

• Increased turnaround times in port<br />

Depending on the intended use and specified degree of automation,<br />

<strong>TTS</strong> can deliver any system perfectly adjusted to suit specific needs.

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