Manhole benching is the sand and cement haunching that sits between the manhole walls and the channel pipes. The reason for this is to stop rats from leaving the system and to stop wastewater and water from splashing, from incoming branch lines..
DRAIN UNBLOCKING MANCHESTER FAQ
What is manhole benching for?
Manhole benching is to stop rats leaving the system and to stop the splashing of waste and water from incoming branch lines as this can cause waste to build up in the manhole leading to blocked drains.
How can Manhole Benching go wrong?
Manhole Benching can go wrong if the benching is not steep enough, due to this paper and solids can build up on the benching if self, which will then fall back into the channel pipe. If this happens, a blockage can be caused by the outlet chamber.
Can the Manhole Benching be fixed?
To repair, or stop blockages from happening, the defective benching should be broken out and started again. To ensure the manhole base is completely sealed.
Is it safe?
With over 40 years of collective experience in the wastewater utility industry, our engineers are highly skilled with unblocking drains and are fully compliant with the latest health & safety regulations. The safety of both client and engineer is always a priority.
We have over 40 years’ experience in working with the environmental agency and in the wastewater utility industry throughout the UK. Over the years, all our team has gained many sorts after, industry-recognized Accreditations making us fully qualified for any drainage issue.