Legendary size Hercules™ D400 manhole coversOur Hercules range has been designed as the ideal solution when a very large manhole cover is required for a D400 Group 4 environment. The products have been designed and manufactured to meet the requirements of BS EN 124:2015. Additionally, the covers include features designed to provide both greater operator safety and operational longevity. Large chambers are commonly covered with steel access covers. But when the chamber is located in a Group 4 trafficked environment, steel rarely provides the solution. That’s where Hercules comes in, providing a durable, ductile iron solution to clear openings up to 1.2m x 1.2m. Manufactured for highways ironwork projects in D400 Group 4 environments, it has been specially designed to meet rigorous specification standards. The range includes a number of features benefitting the contractor, including:
Square or rectangular manhole covers
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