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Techniques Used: |
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The size of the tanks can be difficult to take in. Take a close look and you can see the 2 men in the 6m (20’) long green scissor lift at the base of the wall. This extended upwards to 24 mtr to enable the walls to be repaired. |
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STRUCTURAL CONCRETE SOLUTIONS |
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Maintaining & Repairing for the Future |
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Isle of Grain |
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Concrete Repairs to largest tanks ever formed in the world. Techniques included wet sprayed concrete, high build concrete repairs (>150mm deep). |
Project Summary |
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> Access from Mastclimbers, Scissor lifts or Cherry pickers (See the IPAF website for more information about types of access) |
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The National Grid, concerned about dwindling stocks of North Sea Oil, commissioned the largest Liquid Natural Gas storage tanks ever built. Each one was big enough to contain the Royal Albert Hall. The tanks were formed by a continually spiraling slipform that cast the walls in solid concrete 250mm thick. During this process, if there were problems with compaction or the flow of concrete, then areas formed that were honeycombed or even holed. Structural Concrete Solutions were part of a team brought together for their expertise in this field to repair the tanks prior to their commissioning to ensure the tanks integrity under the huge pressures that it would be subject to when the tanks were full of gas. The team included Mappei materials from Italy and spraying concrete even to the top of these huge tanks. |
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One of the tanks that was under repair. |
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