Steps to build a retaining wall: Know the lay of the land - contact Dial Before You Dig Draft your wall design Finalise plans and mark out area Excavate area and trench Lay and compact road base Lay steel bar grid/mesh and set up wooden forms Pour footing - lay cement and sand mix Screed and level the cement/sand mix Lay first row of bricks Fill first layer of bricks with blue metal aggregate Optional - Install drainage pipe Lay remaining layers of bricks Remove lugs from top layer Install caps Allow everything to dry
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An independent analysis has shown that Rio Tinto injected $27.3 billion into the West Australian economy, along with 13,000 direct jobs and 47,400 indirect full-time jobs across the State.
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Rio Tinto have approved a $2.1 billion joint venture endeavour that will see the delivery of two high-grade iron ore projects in the Pilbara region of Western Australia.
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