Downer has been awarded a $660 million contract which will see them deliver underground mining services at OZ Minerals’ South Australian Carrapenteena copper-gold mine.
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Steps to build a driveway: Decide on your intent and goal Call Dial Before You Dig Survey your land and know your boundaries Mark your project area and stake out boundaries Excavate topsoil and level out project area Lay wooden forms around the project area, anchored with stakes Add in sand to firm up the soil, and gravel to ensure base thickness Compact gravel and soil Lay steel reinforcing mesh or bars Pour concrete Smooth out and level the concrete Set and cure concrete (don’t rush it!) Park your car!
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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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