Over the last few years we have had a number of leaks and bursts in the irrigation system, following damage caused by floating debris smashing into the pipework across Trub brook.
When the system was upgraded many moons ago, for some reason the 2" main pipes were installed above the normal water line of the brook. This is ok in periods of normal rainfall, but as you know, normal is not a term to describe the recent weather.
When the water level rises, debris from upstream smashes into the pipework, cracking it or even worse severing it.
To combat this, we install the 2' pipes in larger tubes filled with concrete (for re-enforcement and weight) and bury them in the bed of the stream. This is a photo of the pipework at the 16th prior to being covered. We have also replaced the pipes at the 4th & 13th.
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