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Condron Corbel Slabs/Adjusting Units

Seating Ring Depth (mm) Manhole Diameter (mm) Weight (Approx.) (kg)
85 600 100
  • National Roads Authority (NRA) approved.
  • Condron Cover Frame Corbel Slabs/ Adjusting Unit are manufactured using 85mm thick reinforced concrete to suit Condron Concrete manhole covers with 600mm access aperture.
  • They are quick and simple to install.
  • They can be used as risers in place of engineering bricks to achieve the required level for the manhole cover and frame.
  • All Corbel Slabs/ Adjusting Units manufactured by Condron Concrete Works are tested in accordance with I.S. 420 and I.S. EN 1917:2004 Specifications

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