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Six passenger boats a day deliver visitors to the Dome by river. They alight at a new 92m long pontoon linked to the land by an 84m long canting brow.

Both structures were designed by Richard Rogers Partnership, with Beckett Rankine as structural engineer and Costain Civil Engineering winning the £3M construction contract. Together the structures contain 510t of structural steel.

The pontoon is the first on the Thames to be built with 'V-berths' at each end for docking trimarans, in addition to the conventional side

berthing facilities for traditional boats.

A 12m high tubular steel arch bowstring trussed arch forms the brow which carries the walkway from the quayside out to the pontoon, where it splits in two to pass either side of the single support bearing. Both the pontoon and the brow are decked with planks made from recycled plastic.

The pier is secured to dolphins adapted from an old gas works jetty built on the site in 1894. Two groups of four 2m diameter iron caissons have been joined together to support the pontoon guide piles. The downstream dolphin now acts as the base for Antony Gormley's 30m high 'Cosmic Cloud' steel sculpture.

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