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Application and method |
Application
Estimated installed cost |
Estimated installed cost |
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S A Rand |
US Dollars |
unit |
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Hyson Cells sandwiched layer |
R125 |
to |
R150 |
$21 |
to |
$25 |
/ m² |
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100% waterproof. Walls up to 700. Base CBR
>15 |
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First layer 7.5 MPa concrete in cells 75 mm
deep. |
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Middle layer 4 mm bituminous or 1 mm plastic
sheet |
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Final layer 20 to 40 MPa concrete in cells 75 mm
deep. |
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Heavy duty plastic liners on protecting
layer |
R400 |
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$67 |
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/ m² |
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Base compaction 92%. CBR > 45 |
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Multi protection layer on top. |
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Restricted access of heavy vehicles. |
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Walls must not exceed 45° |
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