Take a look at photos of the Riverbank Lodge problem before Gabion Baskets assisted with a project design proposal and costed solution. What made it easier was that the client was also assisted with practical on site training and shown the ease of erecting the structure, he sourced the rock, labor and TLB and project managed the job himself with our site trainer/ supervisor.
Please contact Japie Van Heerden – 082-772 2759 for any further information.
Rock in Upington supplied by Willie – 083-7215857 of Sandvishawe BK.
Take a look at photos of the Riverbank Lodges (Client – Mr. Japie Van Heerden) problem before Gabion Baskets assisted with a project design proposal and a costed solution for material supply and on site practical training of local workers. We did the full engineering design and B.O.Q. We also supplied the late Mr. Philani Maphumalo to site for the necessary practical on-site training, the client sourced the rock, labor and TLB and project managed the job himself with our site trainer/supervisor during 2011.
Take a look at the detailed plans that were created for this project.
We can see the Gabion Basket products being offloaded, checked and prepared for safekeeping and delivery site.
The rock used in gabion installations is 100-250mm size un-weathered, with a minimum density of 2.6tons/m3, gabion void ratio of 65% solids, 35% voids, thus with a bulk gabion density of 1.6tons per m3. Unselected rock normally has about 30% waste or undersized material, thus please allow for 2tons of rock per m3.
The rock is neatly packed into the basket by hand to achieve a neat front face appearance.
Angular blasted rock is best due to the interlock strength, rounded rock can be used but does not give the same compressive strength as blasted rock, and is much more difficult to achieve a neat looking facing.
Environmentally it does not make good sense to remove rock from the area as it effects local animal habitats and can enhance erosion in. streams.
The geotextile layer is very important to prevent the migration of finer bed soils through the mattress layer.
We use a 210g/m² layer of Bidim to prevent soil movement. The Bidim is placed at all gabion and soil contact faces, behind, below and on the sides of the gabion structure.
Overlapping 300mm where necessary.
Rock for mattresses are also 100-67% of layer depth, so 200mm for the 0.3m depth. The mattress thus has at least two layers of rock to prevent soil scour in the event of high water velocities.
Mattress lids are supplied separately so as to have them out of the way during infill of rock.
From a labor point of view we allow 1.0m³/man per day for gabions and 1.5m³/man/day for mattresses, as mattresses have now bracing and neat front facings that need to be maintained.
On-site training for installation is taking place with our gabion toolkits showing the correct rock size and quality to be used and the correct lacing together of adjoining mattress units, using the Binding wire supplied with the materials.
These units are laced together using the preferred lacing technique along all common joins so that the structure become one integrated monolithic wall.
To counter all future loads imposed on it in the long term.
Base baskets and mattresses are all Class A Galvanised and PVC coated to prevent long-term corrosion of steel wire along the water’s edge.
Higher basket layers do not require this due to infrequent flooding to this level.
Already they are achieving 30m³/day using 30 people on site, indicating production rates of 1man/m³/day, for the erection of the basket, including, bracing, lacing and packing.
The rain has already started in Johannesburg this last weekend, which fills the Orange river upstream, so they are trying to complete the structure foundation layers before the water level in the river rises and makes it more difficult to access the lower levels.
On-site training for installation is taking place with our gabion toolkits showing the correct rock size and quality to be used and the correct lacing together of adjoining mattress units, using the Binding wire supplied with the materials.
These units are laced together using the preferred lacing technique along all common joins so that the structure become one integrated monolithic wall.
To counter all future loads imposed on it in the long term. Base baskets and mattresses are all Class A Galvanised and PVC coated to prevent long term corrosion of steel wire along the water’s edge.
Higher basket layers do not require this due to infrequent flooding to this level.
Already they are achieving 30m³/day using 30 people on site, indicating production rates of 1man/m³/day, for the erection of the basket, including , bracing, lacing and packing.
The rain has already started in Johannesburg this last weekend, which fills the Orange river upstream, so they are trying to complete the structure foundation layers before the water level in the river rises and makes it more difficult to assess the lower levels.
On-site training for installation is taking place with our gabion toolkits showing the correct rock size and quality to be used and the correct lacing together of adjoining mattress units, using the Binding wire supplied with the materials.
These units are laced together using the preferred lacing technique along all common joins so that the structure become one integrated monolithic wall.
To counter all future loads imposed on it in the long term.
Base baskets and mattresses are all Class A Galvanised and PVC coated to prevent long term corrosion of steel wire along the water’s edge.
Higher basket layers do not require this due to infrequent flooding to this level.
Already they are achieving 30m³/day using 30 people on site, indicating production rates of 1man/m³/day, for the erection of the basket, including , bracing, lacing and packing.
The rain has already started in Johannesburg this last weekend, which fills the Orange river upstream, so they are trying to complete the structure foundation layers before the water level in the river rises and makes it more difficult to assess the lower levels.
On-site training for installation is taking place with our gabion toolkits showing the correct rock size and quality to be used and the correct lacing together of adjoining mattress units, using the Binding wire supplied with the materials.
These units are laced together using the preferred lacing technique along all common joins so that the structure become one integrated monolithic wall.
To counter all future loads imposed on it in the long term.
Base baskets and mattresses are all Class A Galvanised and PVC coated to prevent long term corrosion of steel wire along the water’s edge.
Higher basket layers do not require this due to infrequent flooding to this level.
Already they are achieving 30m³/day using 30 people on site, indicating production rates of 1man/m³/day, for the erection of the basket, including , bracing, lacing and packing.
The rain has already started in Johannesburg this last weekend, which fills the Orange river upstream, so they are trying to complete the structure foundation layers before the water level in the river rises and makes it more difficult to assess the lower levels.
On-site training for installation is taking place with our gabion toolkits showing the correct rock size and quality to be used and the correct lacing together of adjoining mattress units, using the Binding wire supplied with the materials.
These units are laced together using the preferred lacing technique along all common joins so that the structure become one integrated monolithic wall.
To counter all future loads imposed on it in the long term.
Base baskets and mattresses are all Class A Galvanised and PVC coated to prevent long term corrosion of steel wire along the water’s edge.
Higher basket layers do not require this due to infrequent flooding to this level.
Already they are achieving 30m³/day using 30 people on site, indicating production rates of 1man/m³/day, for the erection of the basket, including , bracing, lacing and packing.
The rain has already started in Johannesburg this last weekend, which fills the Orange river upstream, so they are trying to complete the structure foundation layers before the water level in the river rises and makes it more difficult to assess the lower levels.
On-site training for installation is taking place with our gabion toolkits showing the correct rock size and quality to be used and the correct lacing together of adjoining mattress units, using the Binding wire supplied with the materials.
These units are laced together using the preferred lacing technique along all common joins so that the structure become one integrated monolithic wall.
To counter all future loads imposed on it in the long term.
Base baskets and mattresses are all Class A Galvanised and PVC coated to prevent long term corrosion of steel wire along the water’s edge.
Higher basket layers do not require this due to infrequent flooding to this level.
Already they are achieving 30m³/day using 30 people on site, indicating production rates of 1man/m³/day, for the erection of the basket, including , bracing, lacing and packing.
The rain has already started in Johannesburg this last weekend, which fills the Orange river upstream, so they are trying to complete the structure foundation layers before the water level in the river rises and makes it more difficult to assess the lower levels.
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South African manufactured Class-A Galvanised or with Grey PVC coated Hexagonal woven mesh or Square Weldmesh baskets and mattresses.
Protect the integrity of your gabion basket installation with high-quality geotextiles between your gabion structures and the soil.
Sandbags are an ideal solution when it comes to soil erosion protection, and diverting floodwaters away from sensitive installations or homes.
These blankets promote vegetation growth when combined with your gabion structure and help retain the important topsoil.
Heavy rocks need heavy transport. Our Barrows were specially designed to transport our quality products.
Hexagonal woven mesh is the perfect product for rockfall mesh netting and to cover large areas of river mattresses quickly.
Fully made up Gabion baskets or mesh rolls/panels are offered for more flexible use on building or civil engineering construction sites.
This cylindrical-shaped sack gabion is filled to 75% capacity with rock and used in restricted areas or to act as foundation for gabion river structures.
Only need a small retaining wall up to 1.5m height? Why not use local rock with our small 300 x 300mm cross-section Gab-Bloc Gabion?
The smaller Garden Gabion can be used at home for terracing and smaller Gabion retaining walls, or even internal feature/ decorative walls, or raised garden beds.
We offer a custom designed, suited to feature aesthetically pleasing Gabion Planter feature which is sure to turn heads and get lots of interest.
These units are suitable for filling with earth, sand, gravel, crushed rock and other granular materials.
We supply non weathered rock for gabion and rip rap protection and feature structures, many colors are available, size 100-250mm.
We supply a tool kit that makes the installation process much easier and neater.