Condron Corbel Slabs/Adjusting Units

• 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.6:2025 and I.S. EN 1917:2004 Specifications

The exfiltration test shall be carried out before backfilling of the Manhole in compliance with Uisce Eireann Code of Practise 4.10