Client: McConnel Dowell Constructors
As part of the Amrun wharf construction in North Queensland, Australia, McConnel Dowell Constructors contracted Subcon to grout the pile/leg annuluses of seven jacket structures. In total 324m3 of grout was used to complete the job.
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Subcon designed an inflatable packer to seal the bottom of the jacket leg. Upon inflation of this packer 4m3 of grout was poured into the annulus to serve as a grout plug.
The grout plug was allowed to cure overnight and the remaining 13m3 of the annulus was grouted.