Pre-formed junction connection in Cambridgeshire

Foul water sewer connection

Connection into existing 150mm sewer within the highway we excavated to the depth of 2.5m using a 3-tonne machine, once down to depth and the main exposed a section of the existing sewer was cut and replaced with a new preformed junction securing it with two new Flexible couplers. Connection completed we now lay the new lateral pipe on a stone bed and surround. A newly installed pre-cast concrete manhole at the boundary of the property to complete the works.

Traffic management

We had no other option then to close the road on this connection, if you can’t maintain the minimum running lane for traffic to safely pass you need to set out the most suitable diversion around the works.

The downside of closing a road is that it does take longer to receive the section 50 licence to carry out the work (12 weeks)


Correct compaction and materials must be used within any highway. MOT type one crush compacted in layers & correct number of passes with the use of a petrol trench rammer.

All cut edges to be cleaned ready to receive bitumen edge sealer before the specified asphalt is used.  Once completed thermoplastic over banding tap is used preventing water ingress. At premier drainage solutions we believe that a temporary reinstate is not good enough and that a permeant solution is the only way of completing the work without returning to site and causing further interruption.

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P4 Allen House Business Centre The Maltings, Station Road Sawbridgeworth Herts CM21 9JX

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Premier Drainage Solutions
P4 Allen House Business Centre
The Maltings, Station Road
Herts CM21 9JX

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