Retaining Wall Specifications Nsw

On the gold coast of queensland you need building approval for retaining walls 1 metre or more in height.

Retaining wall specifications nsw. Since 2008 under amendments to the dividing fences act 1991 nsw section 3 an adjoining owner can seek a contribution for the carrying out of work to a retaining wall where the wall is necessary for the support and. Check with your local council. A review of basic soil. In victoria a building permit is needed for retaining walls over 1 metre high.

Of the retaining wall. Retaining walls can only be constructed as per the approved development consent. Hornsby shire council abn 20 706 996 972 po box 37 hornsby nsw 1630 phone 02 9847 6666 email hsc hornsby nsw gov au 296 peats ferry rd hornsby 2077 fax 02 9847 6999 web hornsby nsw gov au specification 0293 crib retaining walls. If the retaining walls to be constructed differ from the development consent a section 96 is required to be lodged with council.

Some rules of thumb include a poured concrete footing twice as wide as the wall and as deep as the wall s width. In new south wales you need permission from council to build a retaining wall higher than 600mm from ground level. 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. Other topics include sheet pile walls tilt up retaining walls soldier pile walls gabion walls counterfort walls pilaster walls and walls with pile or pier foundations.

Restrained basement walls gravity walls and segmental retaining walls both gravity and with geogrids. Figure 1 typical retaining wall construction retaining walls up to 1 m high timber retaining walls up to one metre high can be constructed as shown in figure 1. The actions of the parties involved and. N wall height n soil type n sloping land below and or above the retaining wall n loads above and behind the retaining wall eg parked cars.

The construction of a retaining wall will often require a development application da. D ata sheet concrete retaining walls concrete retaining walls provide a durable solution that is required of a structure in contact with soil and exposed to constant wetting and. Member sizes and post embedment depths shall be as outlined in tables 1 and 2 for preservative treated softwood and hardwood respectively. The responsibility for the cost of building repairing or maintaining a retaining wall may be determined by looking at various factors such as.

The reason why building or repairing a retaining wall is necessary. If the retaining wall does not support and maintain the dividing fence the situation is different. Walls exceeding 400 mm high should have a. Follow the block manufacturer s instructions for wall height limits.