Manhole

The majority of underground services have manholes, including water, sewers, telephone, electricity, storm drains, district heating, and gas.

Because of legislation restricting acceptable manual handling weights, Europe has seen a move toward lighter-weight composite manhole cover materials, which also have the benefits of greater slip resistance and electrical insulating properties.

Manholes are usually outfitted with metal, polypropylene, or fiberglass steps installed in the inner side of the wall to allow easy descent into the utility space.

Structures that can be integrated into composite manholes include: In urban areas, stray voltage issues have become a significant concern for utilities.

On January 16, 2004, Jodie S. Lane was electrocuted after stepping on a metal manhole cover, while walking her two dogs in New York City.