Industries are subject to intense supply and demand forces, resulting in complex business decisions. As a result, multiple owners and operators have announced plans to reconfigure portions of existing facilities or in some cases, decommission facilities. Capital projects of this scale are significant in terms of planning time, cost of execution, and regulatory implications.

Trihydro recognizes each facility is unique and has the project experience and technical expertise to assist owners and operators in facility reconfiguration or decommissioning. Our subject matter experts guide clients and stakeholders through the complex maze of regulatory compliance requirements, permitting, and innovative engineering solutions from project inception to actualizing an end-state vision.

Strategy Development

STRATEGY DEVELOPMENT

Developing a sound yet flexible strategy is key to efficiently attaining a desirable project outcome. Owners and operators embarking on a facility reconfiguration or decommissioning project are best served by developing a strategy that balances costs, regulatory compliance requirements, and liability. A reconfiguration or decommissioning strategy should also consider permitting impacts, asset management, and operational changes.

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Planning and Permitting

PLANNING AND PERMITTING: RCRA, NPDES, AND LAND USE PERMITS

During the initial planning phase of facility reconfiguration or decommissioning, facility-specific environmental and potential construction permit requirements need to be identified to ensure regulatory compliance. Ultimately, permitting work will largely focus on areas that are materially changing to enable the new permit landscape to match the new configuration, to the extent practicable. For instance, air permit conditions are likely to change significantly. Also, facility operating permits (e.g. Orders, Resource Conservation and Recovery Act [RCRA], National Pollutant Discharge Elimination System ...

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Regulatory Management

REGULATORY MANAGEMENT

Effective regulatory management has become a key strategic need in multidisciplinary teams working on decommissioning or reconfiguration projects. Increasingly complex regulatory environments on the local, state, and national scale, coupled with complex corporate structures commonly associated with mergers and acquisitions, highlight the importance of skilled regulatory management during decommissioning or reconfiguration projects. More than just the concept of managing environmental permitting and compliance for various media and/or processes, successful regulatory management now includes the concepts of risk management, sustainability, concurrent remediation/redevelopment, ...

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Aboveground Demolition
ABOVEGROUND DEMOLITION

As facilities age and new technologies emerge or changes to business operations are considered, the need to decommission and demolish existing facilities may arise. Key elements to aboveground demolition include site planning and assessment, asset inventories, maximizing reclamation of materials to offset costs, and safe and compliant removal of hazardous substances. Through careful planning, safe and efficient aboveground demolition can be implemented resulting in cost-effective redevelopment and reuse of existing facilities.

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Subsurface Demolition
SUBSURFACE DEMOLITION

Subsurface demolition or excavation of materials requires special attention. Pipes, vaults, sumps, and other underground structures can contain toxic or hazardous wastes that must be handled in accordance with federal and state regulations before demolition. Additionally, there may be permit-specific and/or technologically acceptable means of performing, verifying, and documenting decontamination activities. Regulations vary by location and attaining a thorough understanding of these requirements is important for cost and schedule development. In addition to understanding the regulatory environment, it is important to have a vision for potential property reuse. Some underground infrastructure can be abandoned in place if it meets regulatory and redevelopment needs.

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Remediation
REMEDIATION

When undergoing decommissioning or reconfiguration activities, site owners and operators may discover contaminants onsite that require remediation. For example, Trihydro has assisted clients with multi-media remediation and compliance at over 100 refineries and terminals in 20 states. Our remediation experts can assist with remediation strategy development (e.g., using risk assessment results to establish remedial objectives and guide remedy decisions), technology selection, remediation system design and construction, stakeholder engagement, and ongoing remediation system management or optimization.

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Impoundment Closures
IMPOUNDMENT CLOSURES

Large facilities often use impoundments for waste disposal. When facility operators determine it is time to close these impoundments, numerous environmental activities are typically required in accordance with regulatory or permit requirements for closure and post-closure care. In many cases, liquid wastes and sludges must be stabilized or removed, solid wastes must be graded and covered, and the area must be prepared for final cover or capping installation. Final cover or capping may include soil cover, clay lining, an impermeable membrane, or various combinations of these and other methods to preserve the integrity of the impoundment.

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Redevelopment
REDEVELOPMENT

Successful redevelopment of contaminated properties requires a vision and understanding of the anticipated end-use of a property. Once an end-use is defined, a site can be remediated to the required standards so the property can be put back into beneficial reuse. Redeveloping idle properties stimulates community growth, enhances the local economy, and revitalizes neighborhoods.

Trihydro has assisted clients with identifying end-use goals and designing redevelopment plans for contaminated properties. Examples of contaminated properties may include former gas stations, dry cleaners, or refineries.

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Pipeline Abandonment
PIPELINE ABANDONMENT

Pipeline abandonment can take many forms and the right team must work together to develop a well-formulated plan when removing inactive pipelines from service. Plans can run the gambit from isolation and sealing to full line removal. It is equally important that the line owners work with a team that can manage municipalities and other interested parties often involved in pipeline removal, including stakeholders related to city and county rights-of-way, state regulations and federal requirements, and owners of co-located lines.

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Waste Management
WASTE MANAGEMENT

Waste management may pose large financial and liability burdens to a facility. Determining responsible, compliant, and cost-effective solutions is critical to a project's success. Various drivers such as the waste's classification/toxicity, long-term liability, property re-use, exposure potentials, costs, and other factors should be evaluated on a facility-specific basis.

Trihydro has the technical expertise and ingenuity to customize waste management solutions to the client's needs. Trihydro understands there should not be a one-size-fits-all approach to waste management and considers potential waste management requirements throughout the project's life

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Planned changes at an operating facility can be complex and ancillary effects can have a significant impact on the cost and timing of a facility reconfiguration or decommissioning. Contact us for additional information or to discuss how we can assist your strategic planning for successful facility transitions.
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ERIC WORDEN
BUSINESS UNIT LEADER, PETROLEUM & PETROCHEMICAL SERVICES

STEVE NELSON, PG
BUSINESS UNIT LEADER, CLOSED FACILITIES