We quite often get called out to look at manholes and manhole covers. Often there will be a blockage and the customer can not remove the manhole or they have damaged the manhole cover while investigating.
it’s important to call a professional in these cases. If you remove the manhole cover while there is a blockage you can cause further disruption and increases the risk of flooding.
Manholes sewer areas can really become blocked and clogged as you can see below.
In this particular case, we managed to unblock it fairly easily but they can be tricky sometimes.
As you can see, it acts as a junction which can easily become clogged with fats, oils or debris.
We use a high powered jetting machine to unblock drains like this one.