DI Square and Rectangular Manhole Cover

Manhole covers & Frame can be divided into the following classes:

• A15(Capable of withstanding a 1.5-ton test load):- Pedestrians and Pedal Cyclist.
• B125 (Capable of withstanding a 12.5-ton test load):- Car parks and pedestrian areas manhole covers where only occasional vehicular access is likely.
• C250 (Capable of withstanding a 25-ton test load):- Car parks, forecourts, areas with slow-moving traffic.
• D400 (Capable of withstanding a 40-ton test load):- Car and Lorries have access, including carriageways, hard shoulders and pedestrian areas.
• E600 (Capable of withstanding a 60-ton test load):- Loading areas, Docks, etc.
• F900 (Capable of withstanding a 90-ton test load):- Aircraft pavements.