Retaining Walls Landscaping Woodsolutions
Timber Garden Retaining Walls Up To 1m High Woodsolutions
Australian Retaining Walls Timber Retaining Walls Australian Retaining Walls
In general try to choose posts less than 150 mm dia as they have holes 300 mm x 1 6 m deep 1 5 m embedment and 0 1 m for post drainage.
Timber retaining wall specifications queensland. For retaining walls greater than 1 metre high refer to technical data sheet 9. Walls irrespective of height closer than 1 5 metres to a building swimming. The minimum stress grade for sawn timber shall be f7 for softwood and f14 for hardwood. For retaining walls greater than 1 metre high refer to technical data sheet 9.
Timber sleepers 1200mm higher if larger vertical posts used boulders 2500 to 3000mm. Click on the title to download the data sheet. Queensland development code page 5 nmp 1 7 publication date. The following technical data sheets are available for members of timber queensland.
What can go wrong with retaining walls. These data sheets are revised updated and current as of february 2015. This data sheet contains timber queensland s recommendations for the construction of timber garden walls up to 1 metre high. These retaining walls have been used for a long time in australia.
In addition proprietary timber crib wall systems are also available. Page 4 revised march 2006 timber queensland technical data sheet 9 timber retaining walls holes for posts to 150 mm dia should be 300 mm dia minimum. Initially constructed from original old railway sleepers our research tells us that around 15 years was a fairly average life span for these class 1 timber hardwood walls. There are also certain practical maximum height requirements depending on the type of material used to build the retaining wall.
Retaining walls not more than 1m in height may be constructed in accordance with an accepted industry standard publication e g. Building approval and certification local authorities generally do not require building approval or. Timber concrete masonry or similar. Building approval and certification local authorities generally do not require building approval or engineer certification for retaining walls up to 1 metre high.
For posts above this size use 450 mm dia holes. 1 january 2008 retaining walls and excavation and filling nmp 1 7 retaining walls and excavation and filling. This data sheet contains timber queensland s recommendations for the construction of timber garden walls up to 1 metre high. Concrete blockwork 2000mm for 200mm blockwork and 3000mm if 300mm blockwork is used.
Timber garden walls up to 1 metre high timber retaining walls residential.
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Timber garden walls up to 1 metre high timber retaining walls residential. Concrete blockwork 2000mm for 200mm blockwork and 3000mm if 300mm blockwork is used. This data sheet contains timber queensland s recommendations for the construction of timber garden walls up to 1 metre high.
