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Applications |
HYSON CELLS COMPARED WITH CONVENTIONAL METHODS
Riprap
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Application and method |
Estimated installed cost |
Estimated installed cost |
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S A Rand |
US Dollars |
unit | |||||||
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Rip rap for dams with small reach (small waves) |
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Hyson Cells |
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a |
20 MPa concrete in 100 mm to 150 mm deep cells |
R45 |
to |
R70 |
$8 |
to |
$12 |
/ m³ | |
|
b |
Hyson Cells filled with no-fines concrete and vegetated. Non-woven cloth underneath |
R45 |
$8 |
/ m³ | |||||
|
Layered selected dump rock |
R85 |
to |
R110 |
$14 |
to |
$18 |
/ m³ | ||
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Non woven cloth underneath. Rodents etc. can be a problem. |
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Reno mattresses with selected stone on non-woven cloth |
R110 |
to |
R150 |
$18 |
to |
$25 |
/ m³ | ||
|
Concrete blocks on non-woven cloth |
R85 |
to |
R110 |
$14 |
to |
$18 |
/ m³ | ||
|
Rip rap for dams with long reach (large waves) |
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Hyson Cells |
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40 MPa concrete in cells 100 mm to 250 mm deep |
R65 |
to |
R100 |
$11 |
to |
$17 |
/ m³ | ||
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Layered large dump rock on non-woven geotextile |
R95 |
to |
R150 |
$16 |
to |
$25 |
/ m³ | ||
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Needs heavy equipment to place. |
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Large concrete interlocking blocks with holes and joining wire on geotextile |
R110 |
to |
R150 |
$18 |
to |
$25 |
/ m³ | ||
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Danger of rust. |
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Woven geotextile mattress mat filled with pumped concrete grout |
R85 |
to |
R110 |
$14 |
to |
$18 |
/ m³ | ||
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Contact us at info@hysoncells.co.za |
