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Waste Management Services

 

Circular Economy Solutions

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Leading Sustainable Waste Management for Offshore & Subsea Equipment

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Legasea revolutionises waste management for the energy industry through innovative circular economy solutions. Operating under SEPA Waste Management License WML/L/1195912, we specialise in sustainable treatment of offshore waste, focussing on refurbishing and reusing subsea equipment rather than disposal and new manufacturing.

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Our Comprehensive Subsea Waste Management Services

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Subsea Production Systems Decommissioning

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  • Christmas Trees & Wellheads: Complete disassembly, component recovery, and refurbishment

  • Manifolds & Distribution Systems: Specialised cleaning, testing, and recertification processes

  • Control Systems & Electronics: Recovery and refurbishment of hydraulic and electrical components

  • Subsea Infrastructure: Professional handling of production support equipment

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SURF Equipment Waste Management

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  • Umbilicals: Comprehensive processing of subsea umbilical systems and components

  • Risers: Specialised handling and material recovery from flexible and rigid riser systems

  • Flowlines: Pipeline segment processing, material segregation, and recycling

  • Flexible Connections: Recovery of specialised connectors and interface equipment

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Marine Growth & Contamination Management

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  • Biofouling Removal: Professional marine growth cleaning in controlled environments

  • Contaminated Equipment Processing: Safe handling of equipment with hazardous substances

  • Environmental Compliance: Full MSDS documentation and regulatory adherence

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Our Proven Circular Economy Approach

Environmental Impact & Carbon Reduction

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Quantifiable Carbon Savings Through Equipment Reuse:

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  • Typical Subsea Tree weighs 45 tonnes

  • Reusing one tree saves 82.4 tonnes of CO2 emissions

  • 850 trees in UK North Sea represent potential 70,000 tonnes carbon reduction

  • Breaking the "use once and dispose" cycle across all subsea equipment categories

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Economic Benefits for Clients

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  • Cost Reduction: Significant savings compared to new equipment procurement

  • Reduced Lead Times: Faster availability of critical refurbished components

  • Improved Cash Flow: Alternative disposal cost models and revenue sharing options

  • Enhanced ESG Credentials: Measurable environmental impact improvements

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Licensed Waste Management Process

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Operating under SEPA Waste Management License WML/L/1195912, our comprehensive process ensures maximum recovery and minimum environmental impact:

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1. Equipment Receipt & Assessment

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  • Thorough documentation and preliminary materials inventory

  • MSDS sheets verification and compliance checking

  • Marine Growth Assessment Reports analysis

  • Complete Shore to Store Goods Receipt processing

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2. Professional Cleaning & Decontamination

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  • Specialised test pit operations with complete containment

  • Marine growth removal using environmentally safe methods

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3. Safety & Fluid Management

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  • Safe removal and containment of residual substances

  • MSDS-compliant handling procedures

  • Professional disposal of all waste fluids and materials

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4. Systematic Disassembly & Recovery

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  • Methodical equipment breakdown and component identification

  • Advanced segregation of reusable vs. recyclable materials

  • Metal sorting by type for optimal recycling value

  • Component condition assessment and categorisation

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5. Refurbishment & Recertification

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  • Ultrasonic cleaning and surface preparation

  • Comprehensive testing against industry standards

  • Full recertification and quality documentation

  • Integration into inventory management system

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Flexible Business Models

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SHORE TO STORE Model 1:

 

Equipment Maintenance & Repair Service

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  • Client retains ownership throughout the process

  • Equipment treated as maintenance items rather than waste

  • Components refurbished and returned to client inventory

  • Complete traceability and documentation maintained

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SHORE TO STORE Model 2:

 

Waste-to-Resource Transfer

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  • Legasea assumes ownership of equipment classified as waste

  • Components achieve "end of waste" status after processing

  • Refurbished products marketed globally to industry

  • Clients benefit from reduced disposal costs and improved environmental credentials

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Additional SpecialiSed Services

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Digital Asset Management

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  • Inventory Management: Real-time tracking of recovered components

  • Certification Management: Digital certificates for refurbished equipment

  • Performance Analytics: Data-driven insights into component lifecycle management

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Our Track Record & Impact

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Since 2018, Legasea has achieved:

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  • 60+ Decommissioned Systems: Successfully processed over 60 subsea production systems

  • Thousands of Components: Made critical components available for ongoing operations

  • Significant Cost Savings: Delivered measurable economic benefits to global clients

  • Reduced Lead Times: Shortened procurement cycles for essential parts

  • Carbon Impact: Prevented thousands of tonnes of CO2 emissions through reuse

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Industry Partnerships & Collaboration

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We work with diverse organizations across the energy sector:

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  • Oil & Gas Operators: Major and independent operators globally

  • Service Companies: EPC contractors and specialised service providers

  • Equipment Manufacturers: OEMs seeking sustainable end-of-life solutions

  • Academic Institutions: Research partnerships for innovation development

  • Regulatory Bodies: Collaboration on waste management best practices

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Why Choose Legasea for Subsea Waste Management

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Environmental Leadership

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  • Quantifiable carbon savings through proven circular economy methods

  • Waste reduction across all categories of subsea equipment

  • Industry-leading environmental compliance and reporting

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Regulatory Compliance

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  • Full SEPA Waste Management License (WML/L/1195912)

  • Comprehensive health, safety, and environmental procedures

  • Regular audits and continuous improvement programs

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Technical Expertise

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  • Specialists in electrical, hydraulic, and mechanical systems

  • Comprehensive knowledge of subsea equipment across all manufacturers

  • Advanced testing and refurbishment capabilities

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Economic Value

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  • Proven cost savings compared to new equipment procurement

  • Flexible business models to suit different client needs

  • Revenue generation opportunities through component sales

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Innovation & Technology

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  • Pioneering circular economy approaches in offshore energy

  • Advanced digital tracking and inventory management

  • Continuous development of new processing techniques

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Get Started with Sustainable Waste Management

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Transform your decommissioning projects into environmental and economic opportunities. Contact Legasea today to discuss how our licensed waste management services can support your sustainability goals while delivering measurable cost savings.

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Contact US

Unit 11

Birchmoss Plant & Storage

Echt, Westhill, 

Aberdeenshire

Scotland

AB32 6XL

+44 1224 058 040

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All Rights Reserved.

Legasea Ltd is registered in Scotland, with company number SC617131.

VAT Registration Number: 320 7210 55 

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