In preparation for us to accept the finished roads and footpaths, an on-site survey shall be carried out, and the results with actual co-ordinates 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 minimum scale of 1:500 on one sheet, 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 a semi-transparent solid 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.
- Indicate whether SuDS features function as infiltration systems, conveyance, or include under-drainage.
- Off-site discharge points.
- Maintenance access points for each surface water management component.
- Manhole/catchpit and gully reference number.
- Manhole/catchpit diameter, 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/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.