Project / Southport / Adoption Survey

Highways.
Drainage.
Southport.

A coordinated highways and drainage adoption survey recording road geometry, levels, drainage assets and as-built information across a residential development.

Southport, Merseyside Highways + Drainage Adoption Survey
Explore the project
LocationSouthport, Merseyside
Survey typeAdoption Survey
HighwaysLevels + Road Detail
DrainageFoul + Surface Water
StatusCompleted

The project

One measured record
for highways and drainage.

Brookes Geospatial completed a highways and drainage adoption survey on a residential development in Southport.

The survey captured the completed highway layout together with foul and surface water drainage information, creating a coordinated as-built record of the infrastructure across the site.

Road levels, kerb lines, gullies, chambers, cover levels, invert levels, pipe connections and gradients were recorded and presented within a clear CAD drawing for onward adoption and project coordination.

Highways and drainage adoption survey drawing in Southport

Full site record

The highway network
measured as built.

The survey records the relationship between carriageways, kerbs, drainage infrastructure and surrounding development.

This provides a single coordinated base from which the completed works can be reviewed and checked against the required adoption information.

Survey workflow

Measure the road.
Trace the drainage.

01

Survey control

A consistent control framework supported the highway and drainage survey across the development.

02

Highway survey

Kerb lines, road edges, spot levels, channels and visible highway features were recorded.

03

Drainage survey

Foul and surface water chambers were surveyed with cover levels, invert levels and connections where accessible.

04

CAD production

The information was combined into a coordinated as-built drawing for review and onward use.

Highway detail

Road levels and
drainage together.

Detailed road and channel levels were surveyed alongside gullies and drainage chambers so that highway geometry and drainage interfaces could be reviewed within the same drawing.

Highway and drainage adoption survey detail showing road levels and chambers in Southport
01 Highway levels + drainage features

Drainage information

Foul and surface water.
Clearly identified.

The drainage survey records the key level information needed to understand how the installed system connects through the development.

Chamber references, cover levels, invert levels, pipe connections and recorded gradients are shown alongside the surrounding highway geometry.

Drainage detail

Connections and levels
captured in context.

Localised survey detail allows the drainage network to be read against the finished road and kerb arrangement rather than as an isolated dataset.

Drainage adoption survey detail showing foul and surface water chambers in Southport
02 Drainage alignment + level information
Drainage adoption survey junction detail in Southport
03 Highway junction + drainage connections

Survey information

A coordinated
adoption record.

The completed drawing brings together the key highway and drainage information recorded within the agreed survey scope.

01
Road Levels

Measured carriageway, channel and surrounding finished levels.

02
Kerbs & Edges

Kerb lines, road edges and relevant highway geometry.

03
Drainage Chambers

Foul and surface water chamber positions and references.

04
Cover Levels

Recorded cover levels for accessible drainage assets.

05
Invert Levels

Measured invert levels where accessible and within the agreed survey scope.

06
Pipe Connections

Observed drainage connections and network relationships shown in context.

07
Pipe Gradients

Recorded or derived gradients presented where supported by surveyed information.

08
As-Built CAD

A coordinated highways and drainage drawing prepared for onward adoption use.

The result

Highways and drainage.
One clear dataset.

The completed survey provided a current as-built record of both the highway infrastructure and the installed drainage network.

Combining both elements into one coordinated drawing gave the project team a practical dataset for adoption review, checking and onward submission.

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