The S38 Adoption Process

As-built Requirements

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As the final step in the Section 38 adoption process, the developer shall submit as-built information to verify that the works have been completed in accordance with the approved design and specification.

In preparation for us to accept the finished roads and footpaths, an on-site survey shall be carried out, and the results with actual coordinates and finished levels as a layout drawing, known as an as-built drawing, shall be submitted to, and approved by, us.

As-built drawings should be provided at a scale of 1:500 at A1, orientated to National Grid North and in Portable Document Format (PDF). A minimum of three drawings described below shall be required.

Road and Footpath As-Built Drawing

This drawing shall be titled ‘Road and Footpath As-Built’, should have an appropriate key and include the following:

  • Entire adoptable area (including adoptable SuDS features) shaded in solid semi-transparent light green colour, with no red colour outline.
  • Easements in private areas coloured solid blue.
  • Individual road names.
  • A surrounding area for context with an OS background layer.
  • All surface types, including block-paved areas.
  • Street furniture, lamp columns, tactile crossings, channel blocks, white lining, highway retaining walls and visibility splays.

Drainage As-Built Drawing

This drawing shall be titled ‘Drainage As-Built’, should have an appropriate key and include the following:

  • Adoptable SuDS systems and piped drainage.
  • Privately maintained SuDS features and piped drainage.
  • S104 SuDS features and piped drainage.
  • Indication of whether SuDS features function as infiltration systems, conveyance systems, or include under-drainage.
  • Off-site discharge points.
  • Maintenance access points for each surface water management component.
  • Manhole/catchpit and gully reference numbers, manhole/catchpit diameters, invert levels, cover levels and pipe diameters.

Details of components such as flow control devices and specialist materials shall be provided.

Landscaping As-Built Drawing

This drawing shall be titled ‘Landscaping As-Built’, should have an appropriate key and include the following:

  • Locations and details of the wildflower and grass seed mixes used.
  • Locations and details of planting within the adoptable area.
  • Locations and details of adoptable trees.
  • Privately maintained landscaped areas and open space, including contact details.