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After carrying out the initial tremie grouting, piling contractors north west a stress grouting is complied with all at once with the training of the casing from the bond zone. The 2nd phase pressure grouting is done with a preinstalled tube. Second stage grouting serves in enhancing cement soil bonding. The grouting will be reconstructed to the bearing stratum and can be included the full size of the stack if needed. In a nutshell, this post. describes the design and setup procedure of micropiles. Micropiles can additionally be labelled as bored piles if their diameter is much less than 250 mm.