The blocks are easily dry stacked and their patented design locks into the block above to form an attractive structural retaining wall.
Block retaining wall design nz.
Creates walls up to 1m high can go higher with specific design 3 units per lm or 11 units per m2 retaining capping units corner blocks and fibreglass pin connectors are also available 34kg block.
When a building consent is required the wall must be specifically designed by a registered engineer.
B1 2 which states buildings building elements and siteworks.
Firth retaining walls blocks are perfect for creating a landscaping feature.
Any anchorbloc retaining wall exceeding 1 5 metres tall will require an independent design completed by a chartered professional engineer and will require a building consent from the local council.
Regardless of whether a building consent is required retaining walls must comply with the requirements of the new zealand building code clause b1 structure.
The ezi wall blocks are the lightest and easiest option for the diy er with their easy to use interlocking system and come in a choice of three colours.
Depending on the concrete blocks used a retaining wall made from concrete blocks could start from around 299 390.
It is a general guide only and if used does not relieve any person of the obligation to consider any matter to which the information relates according to the circumstances of the particular case.
The unique design of the tasman wall system allows increased.
Retaining wall system field installation guidelines 7 design guide and software the table below is a guide outlining the documentation required when constructing an anchorbloc wall.
All firth retaining is made in nz.
The tasman retaining wall system incorporates purpose made corner and capping units to provide classical reconstructed sandstone retaining walls.
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.
Retaining walls that are over 1 5 m high and those supporting a surcharge require a building consent see figure 1.
Perfect for heavy duty garden retaining walls.
This information is published by the ministry of business innovation and employment s chief executive.
Firth keystone retaining wall system lightweight easy to handle and requires no special tools.