Temp Posted March 31, 2017 Share Posted March 31, 2017 Came across this by accident. How to dig a trench on difficult ground using compressed air. I've no idea if you can hire one in the UK. 1 Link to comment Share on other sites More sharing options...
readiescards Posted March 31, 2017 Share Posted March 31, 2017 Grand, but no good for clay Link to comment Share on other sites More sharing options...
Triassic Posted March 31, 2017 Share Posted March 31, 2017 (edited) The're building a new road nearby and they use a compressed air lance and a lorry mounted vacuum excavator. Not cheap to hire, but great where you have loads of buried utilities. Edited March 31, 2017 by Triassic Link to comment Share on other sites More sharing options...
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