Marine

Construction

Our marine consultants can provide scientific evidence-based advice for small to large marine construction projects, and harbour and port developments.

Whether your development requires an Environmental Impact Assessment, a Habitat Regulations Assessment or a Water Framework Directive assessment, our experienced marine consultants can guide you through the process and carry the assessments out for you to the highest standard. They can also provide advice regarding the marine licensing process and are excellent project managers.

Our team has over 20 years’ experience working on an array of projects including:

• Port expansion
• Navigation dredging
• Construction of offshore wind farms
• Oil and gas installations
• Cables and pipelines
• Sewage outfalls
• Jetties, piers, pontoons and docks

• Bridges and tunnels
• Mooring and navigational aids
• Met masts
• Land reclamation
• Coastal protection
• Mitigation and compensation measures
• Beach replenishment

Read more about the Thomson Unicomarine team’s capabilities, including project examples here.

Navigational dredging

Our marine consultants have over 20 years’ experience advising on dredging and disposal operations in the UK and can provide informed and reliable advice on all aspects of your dredge campaign.

We have experience carrying out Water Framework Directive assessments in the Thames Estuary for maintenance and capital dredge projects using water injection dredging as well as the more traditional methods such as grab and back-hoe. We have also advised on the disposal of dredge spoil including beneficial use schemes such as those at Rainham Silt Lagoons and Cliffe Pools.

Our marine consultants can provide expert advice and high quality reports for any stage or aspect of the activity including:

• General licensing/application advice
• Sediment quality
• Pre-application (Screening and Scoping)
• Particle Size Analysis
• Application
• Disposal options

• Environmental Impact Assessment
• Beneficial use placement
• Water Framework Directive assessment
• Licence conditions
• Survey design
• Monitoring requirements

See some of our project examples or call for further information.

Offshore oil and gas projects

Our marine consultants have over 20 years’ experience in marine licensing. We can assist you with the licensing requirements for offshore oil and gas structures and associated pipelines during all stages of operation, including:

• Pre-application
• Application
• Environmental Impact Assessment,

• Benthic survey and sampling
• Monitoring
• Decommissioning

Our in-house benthic laboratory has over thirty years’ experience processing benthic and PSA samples to NMBAQC standards for a variety of offshore activities.

We have in-house experts in marine biology, benthic fauna & fish taxonomy, marine designated sites, protected habitats and species, water and sediment quality, and environmental impact assessment.

Our project managers can coordinate your survey and reporting needs to ensure a high quality report is produced to meet the requirements of the regulators.

See some of our project examples or call for further information.