drainage main


Thomas Bow City Asphalt offer a comprehensive service for all aspects of water related engineering including include foundations, drainage (surface and foul water), ducting and the general groundworks required for the construction of new development sites, or the repair and maintenance of existing sewerage systems.

We are able to advise you how you can limit the surface water runoff from your site and design suitable drainage systems to satisfy the Environment Agency and planning authorities.

  • Foul and Storm water drainage assessments
  • Flood Risk Assessments
  • Attenuation designs
  • Soak-aways
  • Permeable paving designs
  • Sustainable Urban Drainage Systems (SUDS)
  • Pumping stations
  • Overland flow modeling
  • Traditional gravity drainage
  • Technical approvals
  • Adoption agreements