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SERVICES

Inventory to Recovery

WASTE INVENTORY MAPPING

It All Starts Here.

Achieving the desired outcomes onshore is predicated on effective planning and actions offshore. The materials inventory is A key study forming part of the front end appraisal stage to robustly locate and quantify all materials present, including all of those of hazardous nature. Inventory mapping is multi stage exercise.

  • Level I - Desk based high level using exiting drawings maintenance records etc.

  • Level II- Performed offshore to validate Level I assumptions includes collection of samples and is up dated to take account of removal of inventory and post engineering down and cleaning transition scopes completed

  • Level III- Invasive and destructive feeds into waste management plan performed when on structure onshore at recovery yard

  • Independent Mercury, Asbestos and NORM studies can also be undertaken

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ENGINEERING DOWN AND CLEANING

How Clean is Clean

Transition from late life production into cessation of production and preparations for removal are key steps in any project. Work performed offshore is high risk and high cost and a balance has to be found between cleaning and waste removal tasks performed offshore and those that can be left to be tackled once the structure is safely on shore. Astonglen can assist in the development of effective scopes using a risk based approach. Transitioning and cleaning beyond that required by the oil and gas regulators should be considered in context of protecting human health compliance with waste regulations and pollution prevention.

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YARD APPRAISAL AND SELECTION

Compliance, Capability, Capacity

Astonglen is uniquely qualified to appraise the suitability of any proposed yard and the organisation that operates it yard under consideration for your project. Understanding the importance of proximity, water depth, marine access and capability to accommodate the intended delivery vessel whether by cargo barge or direct vessel delivery. The thoroughness of our due diligence will encompass evaluation of, engineering capability and capacity, project management resourcing and organisation. The assessment will also review standards, management systems, accreditations, and arrangements for driving excellence in safety and environmental sustainability.

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INTERNATIONAL WASTE SHIPMENT

Expert Guidance

International waste shipment also referred to as transboundary movement especially involving hazardous waste is very complex and confusing issue due to the volume of regulations to be complied with. In 1989 the United Nations Environmental Program (UNEP) adopted the Basel Convention on the Control of Transboundary Movements of Hazardous Wastes and their Disposal following numerous hazardous waste trafficking scandals. The Basel Convention, which entered into force in 1992, regulates the international trade of hazardous wastes. Astonglen has been involved in the export and import of waste for over 30 years and has first hand experience of successfully interpreting the requirements of the Basel Convention and national regulations to assist clients in achieving the permits and authorisations to enable the export of their waste for recovery overseas. In circumstances where it is potentially applicable Astonglen can also advise on the application of the International Maritime Organisation (IMO) Hong Kong Convention on ship recycling where oil and gas infrastructure is in scope of this agreement.

Support includes:

  • Coding and classifying waste in-line with OECD and Basel ACOP and any applicable national regulations

  • Liaison and interface with relevant CA

  • Preparing Financial Guarantees

  • Preparing Contracts

  • Completing notifications and prior authorised consent forms

  • Advice on third party liability insurance

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PROJECT MANAGEMENT SUPPORT

Risks Managed on Budget and in Time

We can provide an integrated package of project support services for clients for all aspects of the onshore dismantlement and recovery execution phase. This flexible approach can be adapted to the specific need and be fully interfaced with the client requirements. Support includes;

  • Vendor selection and qualification

  • Tendering and procurement

  • Cost estimation

  • Scheduling

  • Preparation of scopes of work

  • Preparation of execution statements and methods

  • Auditing and inspection

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ONSHORE DECONSTRUCTION EXECUTION

Finishing Strong

Dependant on client priorities, resources and skill sets not all have the capability to directly interface with the recovery yard operator during the onshore execution. Dependant on the project size and complexity this can take anything up to 20 months until completion and the publication of the final environmental account is published. Astonglen provides arrange of support services to assist during this phase these include:

  • Client representation

  • Full project management

  • Deconstruction safety services

  • Waste assurance and duty of care support

  • Auditing and inspection

  • Progress measurement, valuations and VORs

  • CDM services

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REUSE AND RE-PURPOSE

The Circular Economic View of Consumption

Recycling rates of 97% for topsides and 99% for steel jackets is achievable with effective waste management planning and good waste processing and separation. Historically equipment re-use rates have been low. Astonglen has developed a network of used equipment brokers, re-manufacturers and dealers active in creating new innovative markets for surplus oil and gas equipment and tooling. Astonglen actively supports initiatives by the Scottish Environmental Protection Agency (SEPA) and Zero Waste Scotland to stimulate and promote developments towards a more sustainable future in the new era of the circular economy.

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