Manholes: The Ultimate Resource

Covers, accessories, engineering, installation, maintenance and more. Everything you’ve ever wanted to know about the underground world of manholes.

What is a Manhole?

According to Dictionary of Construction, a manhole is, “a vertical access shaft from the ground surface to a sewer or stormwater line…, usually at a junction, to allow cleaning, inspection, connections, and repairs.”

manholes: the ultimate guide for everything manholes

What is the Purpose of a Manhole?

As manhole manufacturers, we often get asked about the purpose of manholes and the uses of manholes. And the answer is, that there are many functions of manholes when it comes to sewer or stormwater systems. The four main purposes of a manhole are:

  1. To facilitate inspections of the sewer or stormwater system as well as maintenance projects such as cleaning or removal of obstructions within the sewer or stormwater line
  2. To assist in ventilation of the sewage system by allowing gases to escape
  3. To allow the municipality to join sewer or stormwater systems, change the direction of the sewer or stormwater system, or align the sewer or stormwater system
  4. To assist in ensuring the sewer or stormwater line is laid in convenient lengths