retainer wall designs in new zealand

Compliance of a retaining wall between two properties

Feb 10, 2015 . PO Box 1473, Wellington 6140, New Zealand. Determination 2015/003 . The building work consists of a timber retaining wall constructed on or near the boundary between 36B Ballin Street (36B) .. The retaining wall design and ding covers retained heights up to 2.0m; the expert had no concerns..

How to: build a retaining wall |

Feb 21, 2015 . Building a retaining wall isn't a job to tackle lightly - here's some essential tips and advice. . Anything under 1.5m tall and not under loading generally doesn't need a consent or engineering design but that is a rule of thumb, and you should always err on the side of caution. If there is any uncertainty, get..

Price guide for various retaining walls | Zones

Price estimates for building a retaining wall that adds both function and appeal to your landscape design

Pinex Retaining Wall - CHH Woodproducts NZ

Meets the requirements of NZS3602:2003 Timber and Wood Based Products for Use in Buildings

Residential Retaining Wall - Bowling Group Northland New Zealand

Steve Bowling Contracting Limited were contracted to construct a large retaining wall for a residential client in the Whangarei District to replace an existing failed retaining wall. The site access was very difficult with issues around the access for concrete trucks & pole deliveries. Although a challenging site, the project was..

Fences and Retaining Walls - New Plymouth District Council

Information about fences and retaining walls. . Significant associated earthworks may require resource consent from New Plymouth District Council (NPDC) and/or Taranaki Regional Council (TRC). NPDC: For each . Ground conditions may affect the design of the retaining wall - an engineer can assess this. Ground..

AC2231 Retaining walls - Auckland Council 5. Design of retaining walls on boundary for surcharge load. If the owner of a property wishes to erect a retaining wall on or close to the boundary of their site, they must design the wall to provide adequate support to the neighbouring site, and should also provide reasonable allowance..

RockLok - Segmental Retaining Wall System - Cirtex Civil

ABOUT. The Rocklok System is the latest in segmental retaining wall innovation. Proudly developed in NZ in consultation with engineers, designers and other construction stakeholders. Rocklok provides superior strength and performance with stronger pin-block connection for longer design life. This system allows for..


RETAINING WALLS. Even low retaining walls can be exposed to large forces from water, the earth behind them and nearby cars or buildings. They need to be well designed and built to prevent failure. By Alide Elkink, Freelance . the requirements of the New Zealand Building . have the design checked and inspected by a

Regulations and Resources Building Guide house design and .

any structural building including new buildings, additions, alterations, accessory buildings (sheds if bigger than 10m2), and re-piling; plumbing and drainage; heating (fireplaces), ventilation and air conditioning systems; siteworks for a building; retaining walls higher than 1.5 metres, or retaining walls with a building or..

SureWall - Retaining Wall System - Cirtex Residential

The SureWall Retaining Wall posts, provide a simple and easy solution for creating solid retaining walls and sleeper edging. This innovative system has significant labour savings due to minimum excavation and because there are no fasteners required this saves you time and money. One of the great features of the..

How to Build a Retaining Wall - Part 2 | Mitre 10 Easy As - YouTube

Jan 2, 2013 . Learn how to build a retaining wall in your own back yard. Watch the second video in this step by step guide, showing the complete process involved when buil..

Retaining Walls | Geoconsult - Geotechnical Engineers

Geoconsult can determine the cause of failure of existing walls and provides recommendations and design for new retaining walls based on our investigations

Retaining Wall Guide - Croft Poles

Retaining Wall Design Concepts. Retaining Wall Concepts. A retaining wall has to be strong enough to support the load of soil pressing against it. This load determines the size of poles and the thickness of retaining timber to be used so that the poles or timber do not break. However, the most important part of the wall is the..

Retaining Walls - ITM

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..

Timber Board And Post Retaining Wall - Auckland Design Manual

You can download a PDF ding for this park element from the bottom of the page, or refer to general information below. . RETAINING WALLS // GENERAL INFORMATION. Use retaining walls to: retain areas of sloping topography to create flat platforms in order to improve pedestrian access, usability and..


failure surface angle of inclination of failure surface in reinforced earth coefficient for location in seismic zone B unit weight of soil maximum response displacement axial strain angle of rotation of wall. BULLETIN OF THE NEW ZEALAND NATIONAL SOCIETY FOR EARTHQUAKE ENGINEERING, VOL 13 NO. 3 SEPTEMBER..

Earthworks & Retaining Wall Design, Taranaki | BTW Company

We can help with soil testing, bank stability, earthworks design, retaining wall design, risk assessments, fill certification and construction supervision

How to build a garden retaining wall - Carters

The Building Research Association of New Zealand. All How to Guides are free to download from How to build a garden retaining wall. Small Garden retaining walls can make a big difference to the appearance of your property. Building one . This design is only suitable for retaining walls to a maximum..

Firth Retaining Walls & Fences | Concrete Retaining Walls

Firth retaining walls (blocks) are perfect for creating a landscaping feature. . With the huge range of Firth Retaining Walls and Fences, your outdoor living design possibilities are virtually endless. . Firth masonry blocks can be used throughout New Zealand for solid masonry free-standing fences built up to 2m in height

building a retaining wall timber - Placemakers

Feb 9, 2009 . Ideas & 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..