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Cost comparison - up to 80% savings
Recultivation has taken place on two different slopes with the same angle and geology in the same area. The costs on each project were exactly recorded, respectively invoiced from the involved recultivation company.
greentex®-method
| Project adjustment |
€
3559,80
|
Repair of compressor |
€ 473,50
|
|
| Repair the edge of embankment |
€
10.280,70
|
different materials |
€ 40,90
|
|
| Fixation of nets |
€
35.919,70
|
Steel anchors |
€
8.674,20
|
|
| Anchored Ritter tetaining walls |
€
8.411,50
|
greentex® |
€
17.441,50
|
|
| Hydro-seed |
€
4.602,90
|
Compressor-tubes, connections |
€
480,40
|
|
| discount -5% |
€
3.146,00
|
Wages |
€
10.042,80
|
|
|
.
|
Material-cable-car |
€ 3.633,70
|
||
| Total costs |
€
62.774,60
|
Total costs |
€ 40.787,00
|
|
| total area |
961,09
m²
|
total area |
3200,14
m²
|
|
|
Costs per cured m² conventional |
€
65,31 /
m²
|
Costs per cured m² greentex® |
€ 12,75 / m²
|
|
| Area | A - 6830 - Rankweil (Schafböden) |
| Carrying out |
Fremdfirma (herkömmliche Methode) Agrargemeinschaft Rankweil (greentex®-Methode) |
| Project management | Ing. Bernhard Nöckl |
| Geology | Flyschgebiet aus Wechsellagerungen von Ton, Mergel, Schiefer, Kalk und Sandstein, damit sehr erosionsanfällig |
| Size |
gesamte Erosionsfläche ca. 1,5 ha, erste Baustufe mit greentex® ca. 3200 m2 |
| Angle of inclination | up to 80 degrees |
| Altitude | about 800 m above sea-level |
| Slope | in southern direction |
| greentex® | greentex® sisal with cellulosic fibre fleece, seed-blend for forests 945 for lower altitudes, starting and long-term fertilizer |
| Laying out | The laying out of greentex® is easy. The rolls that are about 15m long are loosely rolled out on the landscape. It is of utmost importance that some folds are foreseen as the natural sisal fabric has a shrinkage of about 10% after the first rain. At half roll lengths (7.5m) a herringbone-like ditch are dug to reduce the tension of the sisal fabric. The anchoring of greentex is made with steel nails of 80cm, an additional fixation with willow rods improves the success. |
| Transportation | In order to transport greentex and different tools like a compressor and iron nails, a material-cable-car was installed. |
| Objective |
- mechanical stabilization of the area with the help of the sisal fabric - absorbance and storage of rain-water with the help of the cellulosic fleece - regreening of the eroded area with the help of regional seed-blends of 24 different components like deep rooters and wide-spead rooters. - reasonable recultivation of an area which was said to be ir-repairable. |
| PROJECT: |