Specializing in Large and Small projects for Domestic and Commercial applications. Simple and Stylized Decks; Pergolas; Engineered Retaining Walls; Retained Driveways
Gabion retaining walls very strong and with an engineers design can retain 5.0m or taller, they can be used for supporting driveways and carparks. Gabion retaining walls are able to cope with a small amount of settlement, without cracking or losing thier ability to retain the sloping ground they are supporting.
Where the retaining wall forms part of a building structure the territorial authority may require earthquake action effects to be taken into account. The Earthquake design actions standard, NZS 1170.5, specifically excludes action effects on retaining walls and guidance on appropriate design coefficients is therefore limited.
Whether or not a building consent is required for the construction of a retaining wall, we would advise that all walls are designed by an expert and supervised during construction by a chartered professional engineer experienced in retaining wall design and construction. Get quality advice, talk to Ashby Consulting Engineers.
A s well as stopping your uphill becoming the downhill, retaining walls can also be an excellent design addition and problem solver.. Use them to add terraces or levels, make paths and create more planting opportunities if your soil is shallow.
Ideas and Inspiration Important Notes about building consents In New Zealand retaining walls over 1.5 metres high require a building consent from the Local Body Council. Walls lower than 1.5 metres but carrying extra loading on top, for instance a driveway, a building or a steeply sloping bank, also require a building consent
The design of the drainage system is just as important as the design of the retaining wall. Small gabion wall under 1.0m tall For small walls under 1.0m tall, with flat ground behind, you can place the soil against the gabion provided you install a geotech filter fabric between the soil and the gabion.
the New Zealand Building Code and so should be securely and safely constructed. This guide describes a 1.2 metre high cantilevered timber wall which consists of vertical posts embedded in the ground supporting horizontal rails. It includes drainage behind the wall which is an essential part of any retaining wall construction. The type of soil
A retaining wall can help create a usable flat area for additional living space, garden areas, or lawns; and hold up foundations to driveways, pathways or houses.
MODULE 6: EARTHQUAKE-RESISTANT RETAINING WALL DESIGN PAGE 4. introduction. 6. 1 INTRODUCTION. New Zealand is a high earthquake hazard . region and earthquake considerations are integral to the design of the built environment in New Zealand. The effects of earthquake shaking need to always be considered in geotechnical engineering practice including
Earthquake Resistant Retaining Wall Design. Last Updated On: August 16, 2017 New Zealand is a high earthquake hazard region and earthquake considerations are integral to the design of the built environment in New Zealand. The effects of earthquake shaking need to always be considered in geotechnical engineering practice including the design
Any fence, hoarding, or wall over 2.5 metres in height, regardless of construction materials; Any retaining wall that supports a depth of ground of more than 1.5 metres deep or that supports any additional load such as buildings or the weight of vehicles; Any fence on top of or a part of a retaining wall.
Design and d up a plan of the retaining wall you want to build, including: Wall height Round or square posts this will determine post spacing and hole depth.
This project estimate Carolyn Brooke by featured in Issue 010 of New Zealand Renovate Magazine. New Zealand's first and only magazine solely dedicated to home renovations. Get in touch with Zones to discuss your landscaping project. If you would like to discuss retaining wall options and ideas for your outdoor renovation project, please use the
should also be provided in the base of the wall. Designing retaining walls When a building consent is required, the wall must be specifically designed by a registered engineer. 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
Retaining walls can also be used to terrace a slopping section, provide a levelled garden, fl at lawn or paving. The retaining wall described here is less than 1.5m in height with post spacing set at 1.2m, and does not support any surcharge or load additional to that of the ground. ortant workk.
Masonry Fences. Firth masonry blocks can be used throughout New Zealand for solid masonry free-standing fences built up to 2m in height. Dependent upon the seismic zone, Firth provide non-specific designs using
Building a retaining wall can be as much about adding an outdoor feature to your property as it is a functional measure. With an array of styles available, a retaining wall will not only hold ground but can be a creative way to add appeal to gardens, BBQ areas and driveways.
Allan Block Retaining Wall. Allan Block is a worldwide brand of Segmental Retaining Wall that has had a small presence in New Zealand in the past and is now back with a full range of blocks, caps and corners in the most popular of colours and styles.
For retaining walls 1 m or higher, the New Zealand building Code may require a safety barrier at the top. in domestic situations this is likely to be required where the wall is beside an access path to the house.
Build A Retaining Wall. To start, establish the line of the wall, excavating 200mm behind it, then use a laser level or dumpy to set the finished height of the wall either end, setting out a stringline as a guide. Be sure to install drainage behind the wall using geotech filter cloth, agflo pipe and gravel, says Frank.
A retaining wall can help create a usable flat area for additional living space, garden areas, or lawns; and hold up foundations to driveways, pathways or houses. But it is vital to realise that
The Building Research Association of New Zealand All How to Guides are free to download from www.carters.co.nz How to build a garden retaining wall Small Garden retaining walls can make a big difference to the appearance of your property. Building one is easier than you think and Carters has everything youll need to do it yourself.
Retaining wall free design service for DIYers and the trade Gabion retaining wall design guidelines Email info gabion1.co.nz with the retaining wall length, height and thickness, with your location for a delivered price.