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Floating dock (jetty)
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== Braby pontoon == 'Braby pontoon' was the name given to a type of floating dock used by flying boats in Australia and New Zealand from 1939 to the 1950s.<ref name=":0">{{Cite news |date=11 May 1939 |title=Tasman Airway |work=New Zealand Herald |url=https://paperspast.natlib.govt.nz/newspapers/NZH19390511.2.116 |via=Papers Past}}</ref><ref>{{cite news |date=20 June 1951 |title=Β£10,000 Repairs for Flying Boat |page=3 |newspaper=[[The Courier-mail]] |issue=4543 |location=Queensland, Australia |url=http://nla.gov.au/nla.news-article50089738 |accessdate=15 November 2023 |via=National Library of Australia}}</ref> Frederick Braby and Company was a British manufacturer of tanks and silos, [[Bailey bridge]]s and pontoons.<ref>{{Cite news |date=21 September 1966 |title=Braby's pick Sales Chief |pages=2 |work=Western Daily Press |url=https://www.britishnewspaperarchive.co.uk/viewer/bl/0004973/19660921/002/0002 |url-access=subscription |access-date=16 November 2023 |quote=Mr Rhodes joined Braby in 1931 as a design draughtsman. During the war, he was responsible for Bailey bridge building and the design and building of servicing pontoons for use with Sunderland flying boats. |via=British Newspaper Archive}}</ref><ref>{{Cite journal |last=Pearson |first=Michael |date=1992 |title=From Ship to the Bush: Ship Tanks in Australia |url=https://files.ehive.com/accounts/200657/objects/files/802d15e2918f43f59fe449e2b090dbcd.pdf |journal=Australasian Historical Archaeology |volume=10 |pages=24β29 |via=eHive}}</ref> The Braby name was also attached to the general type of pontoon made with ship tanks, whether or not they were manufactured by Frederick Braby and Company.<ref>The Braby pontoon built at Wellington, New Zealand in 1951 was constructed locally from re-used tanks.</ref><ref>{{Cite news |date=23 August 1951 |title=Β£16,000 berth for Solent |page=57 |work=Evening Post |url=https://archivesonline.wcc.govt.nz/nodes/view/540409 |via=[[Wellington City Archives]]}}</ref> Two 1939 descriptions of a Braby pontoon in [[Auckland]] stated:<blockquote>A new type of floating jetty will he used in Auckland for the berthing of the flying-boats. Mr. Turnill stated this morning that this type is known as the "Braby pontoon", and it has been used previously only at [[Southampton]]. It has been well tested there and has been found to be most satisfactory. It consists of two twin sections joined in an arc underneath the water.<ref>{{Cite news |date=16 March 1939 |title=How soon now? |work=Auckland Star |url=https://paperspast.natlib.govt.nz/newspapers/AS19390316.2.40 |via=Papers Past}}</ref></blockquote>and<blockquote>Shaped like a U, the pontoon resembles a miniature floating dock, and consists of two parallel decks joined by a submerged framework. Tanks give the necessary buoyancy. When the flying-boat has landed, it is warped into position by the ground crew, and is drawn tail-first into the pontoon, coming to rest with the hull between the two sections of decking and above the submerged frame. Inflated buffers on the inner edge of the decking prevent the delicate hull from being damaged.<ref name=":0" /></blockquote>A Braby pontoon constructed at [[Evans Bay#Flying boats|Evans Bay]] in [[Wellington]], New Zealand in 1951 consisted of 124 large square steel tanks connected together and ballasted with water and oil.<ref>{{Cite news |date=25 September 1951 |title=Flying boat pontoon |pages=6 |work=Press |url=https://paperspast.natlib.govt.nz/newspapers/CHP19510925.2.45 |via=Papers Past}}</ref> The pontoon was U-shaped, {{Convert|110|ft|m}} long and {{Convert|74|ft|m}} wide. Flying boats were winched tail-first into the U so that passengers could step onto the pontoon dock.<ref name=":1">{{Cite news |date=2 February 1957 |title=Big moving contract |work=Press |url=https://paperspast.natlib.govt.nz/newspapers/CHP19570202.2.103 |via=Papers Past}}</ref><gallery heights=150px widths=200px> File:Flying boat base, Evans Bay.jpg|A Braby pontoon at [[Evans Bay]], Wellington, New Zealand. File:Mohonk Mountain House 2011 Boat Dock Against Reflection of Cliff FRD 3029.jpg|A floating dock at [[Mohonk Mountain House]] File:16 07 231 florence marina.jpg|A floating dock at [[Florence Marina State Park]] File:Floating dock at North Haven.jpg|A floating dock at a private [[marina]]. The vertical "spud" only anchors the dock sections in place, and does not provide structural support for loads upon the dock. File:PontoonHuntleysPoint.jpg|A pontoon in [[Sydney]] </gallery>
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