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| Start of excavation Photo PH |
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| Digging downwards. Photo PH. |
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| Digging downwards. Photo PH. |
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| Ever deeper. Photo PH. |
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| Base for pipe. Photo PH. |
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| Loading first pipe segment. Photo PH. |
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| Lowering first pipe segment. Photo PH. |
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| Setting first pipe segment. Photo PH. |
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| Locating consecutive pipe segments. Photo PH. |
