What is a Manhole?
The manholes can be defined as vertical access
points from the ground surface to a sewer or stormwater line, typically at a
junction, allowing maintenance, cleaning, inspection, and repairs. There are
different types of manholes that might be necessary for various places, and their design may vary depending on the area of application.
What is the purpose of a manhole?
The true function of a manhole is an alien concept to some
people, and many miss the point when talking about the functionality of a
manhole. The manholes are designed to enable repairs and various sewage
maintenance works. They are also essential for underground cleaning and
connections that are important for a seamless sewage system. They are important
for gases to escape providing an area of ventilation and make the sewage line
secured. They are also necessary to guide the stormwater to find the way
through the connection to avoid clogging at any point.
Different Types of Manholes
Normal Manholes
These manholes are characteristically five feet deep.
The normal manholes are commonly located in the sewer and are equipped with a
huge tank manhole cover. The shape of the covers might vary depending on
the design. They can either be rectangular or circular.
Deep Manholes
The manholes that are a bit deeper than five
feet are classified as deep manholes. They are often equipped with a dedicated
area for entrance to enable repairs and connections. These manholes are covered
with a heavy tank
manhole cover, which is typically circular in shape.
Shallow Manholes
These manholes are not as deep as the other manholes and are
often only two or three feet deep. The location of shallow manholes is
typically at the start of the sewer, and their usual placement is in areas that
are not heavily trafficked.
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