A D Bly Construction were tasked on a site in Isleworth to clean off debris on CFA piles in a basement to allow a one sided wall to be poured against it.
After looking at the possible options (jet washing, shot blasting or hand cleaning), it was decided to look at a mechanical solution to the following problem: as this site is adjacent to the Thames there was the possible risk of contamination of the water course using high pressure cleaning.
After making enquiries with all the large plant manufacturers it became apparent that there was not a suitable tool for the job that did not involve high pressure cleaning.
Through internet search we found a company in the Republic of Ireland that would manufacture a road sweeper like brush to attach to an eight tonne excavator.
With minor dust suppression (saving on the use of water and possible cross contamination) the piles were cleaned to a very high standard to allow for a waterproof one sided wall to be poured against it.
Entry submitted by AD Bly Construction
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