Retaining Walls Landscaping Woodsolutions
Timber Garden Retaining Walls Up To 1m High Woodsolutions
Australian Retaining Walls Timber Retaining Walls Australian Retaining Walls
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.
Timber retaining wall specifications queensland. 1 january 2008 retaining walls and excavation and filling nmp 1 7 retaining walls and excavation and filling. Concrete blockwork 2000mm for 200mm blockwork and 3000mm if 300mm blockwork is used. In addition proprietary timber crib wall systems are also available. For posts above this size use 450 mm dia holes.
Walls irrespective of height closer than 1 5 metres to a building swimming. Timber concrete masonry or similar. Retaining walls not more than 1m in height may be constructed in accordance with an accepted industry standard publication e g. Queensland development code page 5 nmp 1 7 publication date.
Reinforced concrete retaining walls no practical height limit. This data sheet contains timber queensland s recommendations for the construction of timber garden walls up to 1 metre high. For retaining walls greater than 1 metre high refer to technical data sheet 9. There are also certain practical maximum height requirements depending on the type of material used to build the retaining wall.
The minimum stress grade for sawn timber shall be f7 for softwood and f14 for hardwood. Building approval and certification local authorities generally do not require building approval or engineer certification for retaining walls up to 1 metre high. For retaining walls greater than 1 metre high refer to technical data sheet 9. Tongue and groove timber flooring.
Invariably the retaining wall forms part of a landscape where plants are encouraged to soften the harder elements of construction. These data sheets are revised updated and current as of february 2015. 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. This data sheet contains timber queensland s recommendations for the construction of timber garden walls up to 1 metre high.
Click on the title to download the data sheet. These retaining walls have been used for a long time in australia. The following technical data sheets are available for members of timber queensland. Timber sleepers 1200mm higher if larger vertical posts used boulders 2500 to 3000mm.
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.
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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 sleepers 1200mm higher if larger vertical posts used boulders 2500 to 3000mm. The following technical data sheets are available for members of timber queensland.
