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17th August 2016

Mobilising the World’s Tallest Masts

Posted by: Victoria Williams / under:

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Manufactured by Magma Structures in Portchester, the world’s tallest masts were designed and built for a superyacht.

Working with heavy lift specialists Mammoet, the Williams Shipping team spent weeks carefully planning the move, one of the most unusual and memorable ever undertaken in the harbour.

The project required 3 of our vessels: the Willendeavour pulling the barge, the Wilwren acting as a rudder, and the Willjay acting as a break to navigate through the narrow channels of Portchester and into Portsmouth Harbour.

The move was particularly challenging, as the barge used to carry the 100 metre masts was 69 metres long and 16 metres wide. In certain sections, the Portchester channel is only 20m wide, with yachts moored either side, so it required particular care and attention.

NB: As of the beginning of December 2022 we no longer own Willjay.

  • I just wanted to say thank you – it was a very challenging site to work at and make delivery to. Your drivers showed courtesy, patience and professionalism throughout the day

    Philip Kingston,
    Kingston Building Solutions

  • Thank you for your assistance, it was very much appreciated and a special thank you to Bob who did a fantastic job.

    Jenny Wilkinson,
    Interserve Defence Ltd

  • We are very happy with the service provided by your company, especially the driver and we will be using your company for any future work.

    Bob Sarkar,
    National Gritting Service

  • I would like to personally thank you, as a company, and every one of your drivers for their professional approach to the deliveries to our site, all of your drivers have been absolutely fantastic.

    Andy Jenner,
    EP Renewable Energies Limited

  • On Behalf of the Environment Agency and the Residents of Romsey and Winchester, I would like to convey our warmest gratitude for the support you provided during recent flooding. Without you we would not have been able to respond as quickly or effectively as we did.

    James A Humphrys,
    Environment Agency

  • We would like to thank yourself and your team at Williams Shipping for all your help last week, your team were great at getting us around and in position where and when we needed to be in spite of some rotten weather.

    Cliff Stonestreet,
    Fully Fused Fireworks Worldwide Event Management

  • Thank you very much for your assistance and I have to say the two crew members on the vessel could not have been more helpful.

    Steve Beck,
    Burgess Marine

  • May I take this opportunity to thank you for an excellent service, could you also please pass on my thanks to all of your skippers who have helped us over the past few weeks.

    Gwyn Goforth,
    Svitzer UK