Highway Service Term Contract The Drainage Asset Rob Payne – Design Service Manager
The Highway Drainage System
Highway Drainage Issues • Flooding of the highway vs highway flooding and the design capacity of drainage
The Highway Drainage System
Highway Drainage Issues • Flooding of the highway vs highway flooding and the design capacity of drainage • Cyclical Gully maintenance
The Highway Drainage System
The Highway Gully
Highway Drainage Issues • Flooding of the highway vs highway flooding and the design capacity of drainage • Cyclical Gully maintenance • Programmed drainage investigation and clearance – where funding prioritised
Drainage Data
The Highway Drainage System
The Highway Drainage System
Highway Drainage Issues • Flooding of the highway vs highway flooding and the design capacity of drainage • Cyclical Gully maintenance • Programmed drainage investigation and clearance – where funding prioritised • Improved inventory knowledge
Highway Drainage Issues • Flooding of the highway vs highway flooding and the design capacity of drainage • Cyclical Gully maintenance • Programmed drainage investigation and clearance – where funding prioritised • Improved inventory knowledge • Rehabilitation and refurbishment
Highway Drainage Issues • Flooding of the highway vs highway flooding and the design capacity of drainage • Cyclical Gully maintenance • Programmed drainage investigation and clearance – where funding prioritised • Improved inventory knowledge • Rehabilitation and refurbishment • Outfall to watercourse or soakaway
The Highway Drainage System
Highway Drainage Issues • Flooding of the highway vs highway flooding and the design capacity of drainage • Cyclical Gully maintenance • Programmed drainage investigation and clearance – where funding prioritised • Improved inventory knowledge • Rehabilitation and refurbishment • Outfall to watercourse or soakaway • Connection to and responsibility of water authority main or combined sewer.
The Highway Drainage System
Highway Drainage Lesson Learnt • Targeted investigation from inventory data allows funding to be prioritised and drives the correct maintenance treatment. More frequent gully cleansing is rarely the most appropriate solution. • Adjacent landowners and the water authorities have key roles to play in ensuring the highway drainage system is not overloaded and operates effectively. • Inventory condition data allows us to plan ahead for the network maintenance needs.
Thank You Have You any Questions?
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