This information is published by the ministry of business innovation and employment s chief executive.
Block retaining wall design nz.
All firth retaining is made in nz.
Firth retaining walls blocks are perfect for creating a landscaping feature.
Firth keystone retaining wall system lightweight easy to handle and requires no special tools.
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.
Depending on the concrete blocks used a retaining wall made from concrete blocks could start from around 299 390.
Allan block has all the products colors ideas and resources you need to design and build retaining walls for homeowners contractors designers and engineers.
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.
Retaining walls that are over 1 5 m high and those supporting a surcharge require a building consent see figure 1.
Timeless retaining walls stonebloc is a precast concrete retaining wall system of interlocking concrete blocks designed specifically for walls up to 2m high.
Regardless of whether a building consent is required retaining walls must comply with the requirements of the new zealand building code clause b1 structure.
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.
The blocks are easily dry stacked and their patented design locks into the block above to form an attractive structural retaining wall.
B1 2 which states buildings building elements and siteworks.
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.
Perfect for heavy duty garden retaining walls.
The unique design of the tasman wall system allows increased.
Anchor wall offers the latest innovations in concrete block retaining and freestanding wall systems.
Stonebloc are easy to stack ensuring an incredibly fast build time and with 400mm thick solid concrete they form a super durable wall.