Concrete Pipes

Precast Headwalls

Precast Headwalls

What are Headwalls?

A headwall is typically an outlet from a sewer that allows flow from upstream pipework to discharge into an open watercourse, such as a river, pond, swale and culvert.  Headwalls may also be used as inlets to surface water management systems receiving flow from a watercourse or open channel and conveying the flow downstream through an underground pipe.

Why Use Precast Concrete Headwalls?

  • Precast concrete Headwalls adopt offsite manufacturing principles.
  • They are safer to construct than in-situ build and can be placed into position quickly, significantly reducing construction time.
  • The advantage of reduced construction time often translates into installed cost savings.
  • Precast concrete Headwalls remove the need for digging out extensive areas of embankment. An in-situ build can require extensive infrastructure such as temporary formwork and shuttering.  Precast concrete Headwalls are thus more environmentally sensitive.
  • Precast concrete Headwalls can be supplied to fit pipes of varying materials and sizes.
  • Precast concrete is strong and highly durable, providing asset owners with a reassuringly long service life and low whole life costs.
  • Precast concrete is a low carbon, sustainable material made from local materials that can be recycled end of life.

For more information about precast concrete Headwalls, please contact a BPDA member.

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