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| Extra-duty EnviroModules are assembled. |
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Geotextile is laid over a compacted base. |
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| The welded liner is placed to the base and sides of the pit. |
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Two pre-cast pits are installed at each end of the tank. |
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| Ausdrain EnviroModules create 90 000 litres of storage volume in the tank. |
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Tank water is used on the campus for irrigation and toilet flushing. |
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