After a few weeks of technical and mechanical problems the drilling for the ground source heat pumps seems to be getting into its groove. They are just moving onto the 5th borehole and the last two have reached the desired depth of 75m, this seems to have been achieved by the addition of biodegradable industrial strength washing up liquid, which is added to the water used during the drilling process. Only four more to go..
Topics: 'Lawson Park' 'ground source heat'
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