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D6 Channel
Small open-ended channel section. Length: 610mm Mass: 18kg per section Prod. no.: P2-0612
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D7 Channel
Light shallow open-ended channel section. Length: 750mm Mass: 36kg per section Prod. no.: P2-0605
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D8 Channel
Standard PWD open-ended channel section. Length: 915mm Mass: 98kg per section Prod. no.: P2-0606
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D9 Channel
Medium shallow open-ended channel section. Length: 500mm Mass: 52kg per section Prod. no.: P2-0607
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D10 Channel
Medium deep open-ended channel section. Length: 500mm Mass: 77kg per section Prod. no.: P2-0608
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D11 Channel
Large shallow open-ended channel section. Length: 500mm Mass: 97kg per section Prod. no.: P2-0609
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D12 Channel
Large deep box-shaped open channel section. Length: 470mm Mass: 73kg per section Prod. no.: P2-0610
Guidelines for Bedding and Jointing
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C7 Channel
Wide shallow steel reinforced channel. Length: 750mm Mass: 75kg per section Prod. no.: P2-0611
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U-Channel
SANRAL specification reinforced concrete U-Channel. Concrete Strength 40MPa (ave 28d) External Size: 370mm wide x 405mm high x 1200mm long Internal Size: 250mm wide x 340mm deep x 1200mm long Mass: 236kg per 1.2m length Prod. no.: P4-8000
Theoretical Flow Data
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Sanral Median Grid for U- Channel DISCONTINUED
Although this is a SANRAL specification precast concrete grid, it is not a good product. When a vehicle wheel drives onto this Median Grid, it moves. The results are breakages and grids that are dangerously out of position. This is irrespective of which company manufactured the grids. More ...
Vanstone discontinued the mass manufacture of the Median Grids. To help cover large numbers of breakages along the roads, Vanstone will keep a few in stock for spares. Size: 370mm wide x 85mm deep x 600mm (module) long Mass: 35kg each Static test load (ultimate) across two ribs 60kN Prod. no.: P4-8002
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Square Grid for U-Channel
High specification reinforced concrete Grid. The Square Grid is an improvement on the Sanral Median Grid and has none of its disadvantages. It is also safer and stronger.
Two per channel Concrete Strength 40MPa (ave 28d), Reinforcing: hot dipped galvanized Size: 370mm wide x 135mm deep x 600mm (module) long Mass: 55kg each Static test load (ultimate) across two ribs 150kN. Suitable for occasional truck wheel loads moving very slowly. Not to be used in a roadway. Prod. no.: P4-8003
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Drawing
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Solid Cover for U-Channel
High specification reinforced concrete solid Channel Cover. It is the same thickness as the Square Grid Cover above, and can be used adjacent to it. Suitable for pedestrians and occasional vehicles moving slowly. Not for the roadway.
Two per channel Concrete Strength 40MPa (ave 28d), steel reinforced. Size: 370mm wide x 135mm deep x 600mm (module) long Mass: 78kg each Suitable for occasional truck wheel loads moving very slowly. Not to be used in a roadway. Prod. no.: P4-8003/3
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Robust Grid for U-Channel
Extra heavy duty robust reinforced concrete grid. It is meant for heavy traffic crossings. The sides are lined with steel all around to which the reinforcing steel is welded. This is the correct choice for busy areas where heavy vehicle wheels pass over the U-channel. All steel including reinforcing is hot dipped galvanised. More on Vanstone's Robust Grid Covers
Robust Grid Covers for U-CHannels have the same basic dimensions as Vanstone's Square Grid Covers, and may be used adjacent to it.
PLEASE NOTE: Special precautions must be taken when heavy vehicles manoeuvre over the grids and wheel scuffing is possible. It is not suitable for high speeds and high frequency traffic like accross busy roadways. Consult with Vanstone if that is the case.
Two per channel Concrete Strength 40MPa (ave 28d), Reinforcing: hot dipped galvanized. Steel lining all around. Size: 370mm wide x 135mm deep x 600mm (module) long Mass: 78kg each Design Load: C250 (250kN) to SANS 50124 Prod. no.: P4-8003/4
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Service Channels
Channels for underground services like cables, optic fibre, pipes, communication, gas and more. Concrete Strength 30MPa, reinforced. Load capacity: Per special design.
STANDARD CHANNEL SIZES
Internal Width |
Internal Depth |
Length |
External Dimension |
Mass |
Product code |
500 |
400 |
500 |
700x475x0.5m long |
145 |
P4-7060/Ch |
960 |
400 |
1000 |
1200x500x1.0m long |
525 |
P4-8376/1 |
660 |
400 |
1000 |
900x500x1.0m long |
450 |
P4-8376/2 |
STANDARD COVERS
Length accross channel |
Width along channel |
Thickness |
Load Capacity |
Product code |
700 |
250 |
100 |
Light Duty |
P4-7060/1 |
700 |
250 |
100 |
Medium Duty |
P4-7060/1H |
Other sizes |
Please enquire |
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Light Duty: Pedestrians, light vehicles or occasional small trucks < 3 tons. Medium Duty: Occasional heavy vehicles travelling dead slow.
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Light weight half-round Channel
Half-round Channel. Woven glass-textile reinforced concrete.
- Light-weight. A quarter of the weight of conventional halfrounds. Easy to load, transport down the shaft, handle and install.
- Strong and robust. Less brittle than conventional concrete and less likely to break because it is so light. Yet is rigid enough to keep its shape, even when handled roughly.
- No corrosion. It contains no steel but is reinforced with treated woven glass fibre fabric.
Inside diameter: 375mm Length: 1200mm Mass: 18kg per length Ends butted. Prod. no.: P5-0100
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