GRASSCRETEŽ formers type GC..........*, ............*mm deep laid on a consolidated sub-base with a 10/20mm blinding layer of sand. Steel mesh reinforcement to BS4483 reference ..........*, weighing ..........*kg/m˛. Concrete 30MN/m˛ at 28 days with air entrainment of 3%. 10mm maximum aggregate and a .........*mm slump placed around formers and mesh and levelled to tops of formers.
After 48 hours melt
exposed tops of formers and fill with soil. Following settlement sow GRASSMIX
No.......* at a rate of 50g/m˛ and top up with fine friable topsoil, apply
fertiliser as necessary.
Expansion joints shall be incorporated at 10 x 10m centres and shall consist of 25mm wide pre-soaked softwood filler (for GC3, GC1, GC2 and GC2sc).
or
Expansion joints shall be incorporated at 10 x 10m centres and shall consist of 25mm wide foam board filler with 20mm diameter x 300mm long sawn dowels at 400mm centres with cap and debond to one side. Joint shall be sealed with cold applied sealant (for GC2sc - load transference slabs).
* Refer to data in GRASSCRETEŽ Types table and Specification Guide for items to be completed.
VEHICULAR USE |
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Maximum |
GRASSCRETEŽ type |
Depth |
Reinforcement |
Minimum Sub-base depth* |
Sub-base type |
0 - 3.4 tonnes 3.4 - 4.3 tonnes 4.3 - 10.8 tonnes 10.8 - 13.3 tonnes 13.3 - 30 tonnes 30 - 40 tonnes |
GC3 GC3 GC1 GC1 GC2 GC2sc |
76mm 76mm 100mm 100mm 150mm 150mm |
A142 A193 A193 A252 A252 A393 |
100mm 150mm 150mm 150mm 150mm 200mm |
Specification for highway works Clause 803 Type 1 sub-base |
*Assumes a free draining allowable ground bearing of 45kN/m˛ which should also be sufficient to enable construction plant/delivery access. |
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WATER ENVIRONMENT |
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Water flow rate |
GRASSCRETEŽ type |
Depth |
Reinforcement |
Preparation (all types) |
Up to 4.5 4.5 to 6 6 to 9 |
GC3
GC1 GC2 |
76mm
100mm 150mm |
A142
A193 A252 |
Trimmed earth sub-grade Sand blind Suitable geotextile Fine protective cover of sand |
SEED SPECIFICATION |
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Mix |
Sowing rate |
Specification |
Application |
No. 1 No. 2 No. 3 |
50gms/m˛ 50gms/m˛ 50gms/m˛ |
45% creeping red fescue 5% browntop bent 50% perennial ryegrass 20% chewings fescue 45% creeping red fescue 5% browntop bent 30% hard fescue 52% creeping red fescue 5% smooth stalked meadow grass 3% browntop bent 40% perennial ryegrass |
Vehicular parking Amenity areas Firepaths, shaded low maintenance areas Embankments |
Please note the above seed specifications are mostly for European climate and may differ for Australian use, therefore a seed mix meant for Australian climate and weather conditions is recommended. We have a policy of continuous development. Information given aove is, therefore, subject to change without prior notice. |
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