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bathymetric surveys
Land and Engineering Surveyors Based in Lancashire
Professional River & Bathymetric Surveys Across the UK
Based in Lancashire, Operating Nationwide
Understanding what’s happening beneath the water’s surface is essential when planning works near rivers and watercourses. At Site Surveying Services, we carry out professional bathymetric and river surveys across Lancashire and the UK, providing accurate data to support flood risk assessments, hydraulic modelling and infrastructure design.
We use modern surveying technology to capture detailed underwater and river channel information safely and efficiently – giving you reliable data you can trust.
Whether you need detailed river sections, flood defence surveys or modelling-ready outputs, we’ll tailor our bathymetric survey to suit your project.
What Is a Bathymetric Survey?
Bathymetric surveys capture:
- Riverbed levels (hard and soft bed)
- Channel profiles
- Longitudinal sections
- Cross sections
- Water depths and flow features
- Flood plain levels
- Adjacent topographical data
The resulting survey data forms the foundation for hydraulic modelling and flood risk analysis.
We produce long and cross sections in line with Environment Agency (EA) standards, ensuring the data meets planning and regulatory requirements. We can also provide exports compatible with:
This makes it easier for engineers and consultants to move straight into modelling and analysis.
Why Bathymetric Surveys Are Important
- Flood risk assessments
- Planning applications
- Flood alleviation schemes
- Infrastructure development near watercourses
- Environmental impact studies
- Hydraulic modelling and drainage design
If flood risk is a concern – whether during planning or development – reliable bathymetric data helps clarify the situation and support confident decisions.
Flood Alleviation & River Survey Services
We provide comprehensive bathymetric and river survey services, including:
Surveying flood plains, doorstep levels and surrounding terrain to support flood mitigation schemes.
Surveying flood embankments, walls and defence structures, including flood level contour chasing.
Detailed long and cross sections including: hard and soft bed levels, bank profiles, channel geometry & adjacent topographical data
Surveying hydraulic structures including: bridge soffit levels, culvert dimensions, tunnel profiles, point clouds and elevations & integrated topographical mapping
Survey Technology & Methodology
Our capabilities include:
- Advanced Equipment – Unmanned Surface Vessel (USV)
- GNSS & total station control networks
- Echo sounding equipment (where required)
- Integrated topographical surveys
- Laser scanning of structures
- Point cloud generation
All surveys are delivered safely and efficiently, minimising environmental and operational disruption.
Deliverables & Outputs
- EA-compliant long & cross sections
- Digital terrain and channel models
- HEC-RAS, ISIS & EACSD exports
- CAD drawings (DWG / DXF)
- PDF plans and profiles
- Point clouds for structures
- Flood contour mapping
All outputs are suitable for integration into hydraulic models and planning documentation.
Our bathymetric surveys are delivered for:
Extensive river and watercourse survey experience
EA-compliant deliverables
Advanced modelling-compatible exports
Integrated topographical and structural surveys
UK-wide coverage
Clear, professional reporting
What is a River Survey?
A river survey is a type of hydrographic survey that involves measuring and mapping the physical features of a river and its surroundings, including its
our services
Land and Engineering Surveyors
topographical surveys
Site Surveying Services work with a variety of different clients on different projects, and we pride ourselves on delivering accurate, efficient, cost effective surveys ensuring our clients receive the best possible product.
utility mapping
Using the latest equipment, we can provide the location of underground services in either 2D or 3D. We use state of the art Ground Penetrating Radar and Electromagnetic Location to assist your project when service avoidance may be a potential issue on site.
monitoring
Is there any movement? That is the question that is asked before and during any monitoring scheme. That is the reason we undertake monitoring, to check for movement.
laser scanning
For mass collection of accurate survey data then nothing beats scanning. Using 3D laser Scanners the surveyors can capture millions of points per second with the creation of a PointCloud.
volumetric analysis
We specialise in the analysis of a scheme’s volumetrics at any point in time. Be it Tender, Prestart, Monthly, Weekly, or Final.
bathymetric surveys
setting out & site engineering
Bread and butter work for us! Having a strong relationship with many civil engineering companies we have a very strong team of Site Engineers and Engineering Surveyors working for us.
control network installation
At Site Surveying Services we have vast experience in this field. Be it a large highway scheme or a private property we can advise on what accuracies are required from your control network depending on what work you are carrying out and the tolerances you are carrying this work out to.
uav mapping & aerial surveys
Large areas of ground can be covered capturing the most unbelievable detail which would just be unable to be recorded with traditional methods. Our clients have really seen the benefit of what UAV surveys bring to the table.
measured building surveys
From an Industrial Unit through to a Historic House to a Semi Detached House, Site Surveying Services can provide a measured building survey for all.
3d machine control
Machine control systems have been around for years now and Site Surveying Services have been utilising these systems from the very start. We realised the benefits of these systems early on when working with earthworks contractors.
survey equipment hire
Being a leader in the Surveying and Engineering sector we have a fleet of modern survey equipment at our disposal which is second to none. We carry the latest GNSS Base Stations, GNSS Rovers, Robotic Total Stations, Laser Scanners, Digital Levels, and Dual Grade Lasers.
Virtual Tour 3D
Virtual Tour 3D is an immersive experience which instantly transports your clients to your business, and guides them through your space, creating a seamless and captivating experience.
BIM Model Creation
BIM (Building Information Modelling) model creation in surveying refers to the process of using specialised software to create a 3D digital model of a building or infrastructure project that includes information about the project’s design, construction, and maintenance.
