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A marine petrochemical terminal is dependent on ship handling and yet the berth is often only a small part of the overall project. |
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A new refinery is to be constructed and a new harbour is needed for oil tankers serving the refinery. This includes berths for vessels ranging in size from 500 dwt to 60,000 dwt within the protection of a new breakwater. Also a single point mooring for crude carriers up to 350,000 dwt. Provision of a new dredged channel and navigation aids.
Beckett Rankine reviewed previous designs prepared by UK and Chinese companies and restructured the harbour layout to meet new operational requirements. Focus was on cutting costs and satisfying local and international standards. This included a FEED of the marine facilities.
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A new jetty was required to handle Liquefied Petroleum Gas (LPG) as part of the shore reception facilities needed to exploit the West Shetland offshore oil discoveries. Two new berths were needed for LPG carriers to load from a dedicated terminal at a protected location that had been identified on the Shetland Islands.
Beckett Rankine undertook a Front End Engineering Design (FEED) for the marine facilities. The design was for steel tubular piled dolphins to berth the vessels and a separate jetty head platform for loading arms and safety equipment and approach trestle for the pipework.
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British Gas plan to set up an LNG import terminal at the port of Pipavav, to distribute gas to Northwestern India. Consideration was given to construction of a subsea pipeline to link this terminal to the existing pipelines on the other side of the Gulf of Cambay. These pipelines would access India's centres of industrial population.
Beckett Rankine advised on the marine conditions, having previously worked on a number of projects in this area. The relative merits were considered for various locations by examining tidal and current records together with geotechnical data from offshore boreholes.
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Importation of crude oil through the Black Sea port of Yuzhny was required to relieve the chronic shortage of feedslock to the Ukrainian refineries caused by the break up of the former Soviet Union. An offshore unloading buoy and 4km sub-sea pipeline were proposed to transfer the imported oil to the shorebased oil tank farm.
Beckett Rankine reviewed the previous designs, specifications and contracts for the marine aspects of this project. We also restructured elements to meet the requirements of EBRD. Also consideration of environmental issues to ensure compliance with EBRD procedures.
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The Port of Kavkaz can be found on the Taman Peninsula on the Chushka Spit in the Strait of Kerch, near to both the Black Sea to the South and with the Azov Sea to the North. A new development of the port was being considered, and several alternatives for new jetties and berth layouts were required for comparison.
Beckett Rankine inspected the site and available information. Several layouts were planned for the construction, including two new liquid handling berths for 15,000 DWT and 5,000 DWT vessels as well as roadways to access the ships. Wave and ice conditions were taken into account.
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The Port of Bautino on the Caspian Sea was to be developed as a supply base for the increasing offshore oil exploration and production activity. An appropriate solution was required to create a new base capable of holding a large number of vessels and able to meet the high standards of the companies utilising the site.
Beckett Rankine formulated a plan for the expansion of the base. This involved all critical aspects of the port, including a breakwater and service jetty as well as berths for a wide range of offshore support vessels, tugs and other small craft. Land facilities were also included.
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The Yamal peninsula houses an enormous quantity of natural gas, considered to be the fuel of the future. But the hostile environment makes it difficult to extract and transport the gas. With water around the peninsula iced over for most of the year, a design must be created which takes into account the present lack of infrastructure.
Beckett Rankine specified in the site investigation for the planned marine terminal. This included developing alternative schemes for the efficient exportation of the natural gas, as well as liasing with shipping companies concerning the size and speed of loading of the vessels.
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The current development of Ras Laffan will make it one of the largest LNG ports in the world. The expansion will involve 20km of breakwaters and 15m cubic metres of dredging to accomodate over 30 ship berths. This was required because of the dramatic rise in the export of LNG and other gas products from Qatar.
Beckett Rankine were responsible for preparing a Masterplan to cover the entirity of the construction of the port. This included selection of an appropriate site, and have used various hydrodynamic model studies to consider the waves, currents and siltation as well as vessel simulation.
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A new LNG import terminal is being planned for construction at Milford Haven at the site of the former Exxon Mobil Oil refinery in this naturally protected harbour in South Wales. This terminal is likely to receive over 15 million tons of liquefied gas per annum to boost UK's depleted gas supply from the North Sea.
Beckett Rankine carried out a peer review of the front-end engineering design of the marine civil engineering aspects. An auditable question and answer format was used with a dialogue between designers and client so that critical issues could be agreed for the final deliverables.
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Thunderer Jetty extends about 100m from the North Bank of the River Thames. A range of liquid cargoes are handled including edible oils, petroleum products, chemicals and lubricants. The jetty had deteriorated over time and become distressed due to corrosion. A remedial action plan was to extend the life of the jetty by 30 years.
Beckett Rankine were commissioned to undertake a condition assessment of the jetty. A full visual inspection of the structure was carried out and material samples collected. Diagnostic tests on the concrete were analysed in order to determine residual life of the structure.
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