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Tech Specs

Construction Notes:

1. Bore piers according to technical information shown on drawings
2. Place posts into bored piers, pour concrete and allow to set for 24 hours
3. Place concrete wall planks behind posts for the first course
4. Lay geotextile fabric behind wall and fill course width with gravel (Nom 10-40mm)
5. Lay wall plank for second course and fill course width with gravel
6. Repeat step 5 for height of wall
7. Place a 12mm diameter rod into the insertion hole at the top of the post to manouvre it into position

Design Specification/Requirements

1. Walls shall be founded on stiff natural ground with a miniumum of 100 kPa bearing pressure
2. Retaining wall has been designed for no surcharge. For locations where a surcharge wlil apply, an engineer must be consulted
3. The retaining wall is not suitable for locations where slip circle problems may occur. A certified engineer shall be consulted if this condition occurs.
4. Retaining wall has been designed for the following design parameters:
   • Soil density 191/m³
   • 30 degree internal angle of friction for soil
   • 100 kPa minimum bearing capacity for bored piers
   • NO SURCHARGE TO BE APPLIED TO THE WALL
   • Reactivity of soil no worse than class 'M'

Hole Depth For Retaining

When building a wall used for retaining, the depth of the hole for the posts needs to be equal to the height of the finished wall i.e. If the finished wall is 400mm high, the hole should be 400mm deep. The posts are then concreted in (refer to Diagram 1).

Decking and Paving

To get a level finish, Woodlook Sleepers are best laid on a wet mortar cement or laid using masonry glue. This makes them easier to align and level.

When using masonry glue, lay two sleepers running in the opposite direction to the sleepers being laid (refer to Diagram 2), apply sufficient glue and lay sleepers on top.