Tunnelling work has begun under the Sydney Harbour, within Stage 2 of Australia’s biggest public transport project.
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Thiess has won a 5-year, $1.2b contract for mining services at Mt Arthur, in the Hunter Valley, that is anticipated to create around 300 jobs.
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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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