Marker blocks
Precast concrete marker blocks are primarily used to aid in the location and identification of electric cables and other utility services that are buried underground. They can also be used to mark boundaries and other reference points.
They are made from precast concrete and are manufactured and tested in accordance with BS 1881 standards.
Available in a range of standard sizes with various legends, however any size or wording can be produced on
Block types
Marker Blocks are manufactured in accordance with BS 1881 and standard blocks are listed in the table opposite.
Where applicable blocks have a recess on the underside which houses a 6mm galvanised bar to enable cable draw ropes etc. to be attached.
The standard recess size for identification plates is 100mm x 75mm.
Any other requirements can be made to order.
Marker blocks
Marker Block
Code | Height | Width | Depth | Weight | Other Refs |
Narrative |
CG2 | 300mm | 300mm | 150mm | 32kg | BCB 300 | Electric Cables |
CG2B | 300mm | 300mm | 150mm | 32kg | Â | High Voltage Cables |
CG2C | 300mm | 300mm | 150mm | 32kg | Â | Fibre Optic Cables |
CG2D | 300mm | 300mm | 150mm | 32kg | Â | Gas |
CG2E | 300mm | 300mm | 150mm | 32kg | Â | Water |
CG2F | 300mm | 300mm | 150mm | 32kg | Â | DHM |
CG2G | 300mm | 300mm | 150mm | 32kg | Â | Boundary |
CG2H | 300mm | 300mm | 150mm | 32kg | Â | BT |
CG2J | 300mm | 300mm | 150mm | 32kg | Â | SP |
CG2A1 | 300mm | 300mm | 225mm | 48kg | Â | D |
CG2A2 | 300mm | 300mm | 225mm | 48kg | Â | DD |
CG2A3 | 300mm | 300mm | 225mm | 48kg | Â | J |
CG3 | 600mm | 600mm | 100mm | 89kg | Â | Electric Cables |
CG4 | 300mm | 300mm | 75mm | 16kg | Â | Fire Mains |
CG5 | 150mm | 300mm | 150mm | 15kg | Â | Highway Boundary |
CG5A | 100mm | 100mm | 500mm | 12kg | Â | HB |
CG5B | 150mm | 300mm | 105mm | 11kg | Â | Highway Boundary |
CG6 | 250mm | 450mm | 105mm | 26kg | Â | Filter Drain Below |
CG8 | 150mm | 900mm | 60mm | 18kg | Â | Flood Protection Do not remove |