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How to build a concrete retaining wall nz.
Starting from 299 per metre.
Concrete masonry retaining walls can be designed in accordance with the following new zealand standards but it is prudent to have the design checked and inspected by a.
Follow the block manufacturer s instructions for wall height limits.
Another concrete option is traditional grey 300 by 150 millimetre blocks but it s not a diy type job as it involves steel and filling.
Cost for a concrete retaining wall.
Concrete masonry retaining walls can be designed in accordance with the following new zealand standards but it is prudent to have the design checked and inspected by a structural engineer.
To obtain a building consent.
Designing retaining walls when a building consent is required the wall must be specifically designed by a registered engineer.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
If you looking for any tools to complete all of your timber projects and what to know the best timber for decking timber fencing.
The interlocking retaining wall block can be used to build walls up to 24 to 36 inches high depending on the size of the block.
Depending on the concrete blocks used a retaining wall made from concrete blocks could start from around 299 390.
Our free retaining wall cost estimator can get you an instant ballpark idea of how much it costs to have a retaining wall built in new zealand.
For a low retaining wall the posts must go 100 mm into the ground for every 100 mm retained above ground.
For retaining walls 1 m or higher the new zealand building code may require a safety barrier at the top.
But even walls which do not require a building consent must comply with the requirements of the new zealand building.
Walls higher than 1 5 m will require a building consent.
In new zealand retaining walls over 1 5 meters high or walls carrying extra loading on top require a building consent from the local body council.