Closure & Reclamation

Reclamation System Design for Industrial Sites

Transition Sites Efficiently

reclamation engineering challenges we help asset managers resolve

Legacy or operating sites require reconfiguration of landforms or infrastructure to reduce long-term physical and environmental risk.
Regulators require confidence in landform stability, containment, and erosion control through defensible design assumptions.
Implementation risk remains high because constructability and post-closure behavior have not been adequately tested through laboratory testing, modelling, or design.
Reclamation designs must perform under evolving hydrological and environmental conditions without ongoing operational intervention.

Converting site risk and reclamation logic into stable, buildable systems

Reclamation Systems Design translates closure intent into engineered physical systems that must perform long after construction is complete. The work focuses on defining landforms, containment, drainage, and source control structures that are stable, buildable, and defensible under post-operational conditions.

Designs are developed to reduce regulatory and implementation risk by making assumptions around stability, degradation, and maintenance explicit, and by testing how systems will respond to environmental loading, hydrological change, and long-term use. While informed by advisory and closure planning logic, the emphasis is on engineering judgement and constructability, ensuring reclamation systems can be executed by others without eroding the intent or performance expectations established during closure planning.

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From closure intent to buildable systems

Reclamation Systems Design develops the physical elements a closure plan relies on, converting intent into engineered systems suitable for approval and implementation.

Define landform stability

Establish landform geometry, materials, and drainage assumptions that support long-term stability and erosion resistance.

Design containment and controls

Configure caps, containment features, source controls, and barriers that limit contaminant exposure and physical degradation.

Integrate water influences

Account for surface and subsurface water interactions that influence stability, seepage, and long-term performance of reclamation systems.

Test constructability and risk

Evaluate constructability, sequencing, and tolerances so systems can be implemented without introducing unmanaged risk.

integrated expertise

Maintaining accountability from design through implementation

Reclamation designs often move into the field under changing conditions and multiple contractors. Our Reclamation Systems Design defines the assumptions, performance criteria, and physical behavior that designs, construction oversight, and post-closure monitoring must continue to reference. This maintains technical accountability as responsibility transitions from designers to implementers and, ultimately, to site stewards.

Geotechnical analysis and civil design define stability, settlement, and erosion assumptions that construction and monitoring activities must be held against.

Caps, containment features, and source control measures are designed with explicit assumptions around integrity, degradation, and maintenance that inform construction oversight and long-term inspection.

Design intent, tolerances, and performance criteria support construction management and post-construction verification without transferring execution responsibility.

sustained performance

Build operational capability and performance assurance

Regulatory interpretations and expectations evolve as projects progress, personnel change, and policy context shifts. Our engagement outputs are documented to distinguish indicative feedback from binding requirements, record assumptions discussed, and note unresolved areas.

This allows future teams to understand what was said, in what context, and with what limitations. The focus is continuity of understanding rather than resolution, enabling regulatory insight to remain usable as conditions change.

Water Systems Upgrading Site Monitoring Climate Resiliency

Constructed Wetland Pilot Study for Closure Water Treatment

Mine Water Treatment Gravel-Bed Bioreactor Design

2-Year Modular Constructed Wetland Pilot for Mine Closure Water Treatment

Integrated Sustainability advanced a passive constructed wetland treatment system through a 2-year pilot, combining controlled off-site testing and on-site trials to refine full-scale mine closure design.

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Tailings Facility Reclamation & Passive Closure with 61,000 m³ Dewatered

Integrated Sustainability delivered turnkey closure construction for a mine tailings facility, dewatering 61,000 m³ and completing backfill, cover placement, spillway construction, and toe berm expansion.

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3,000 m³/d Bioreactor System for Ammonia Removal at a Copper Gold Mine

Integrated Sustainability designed a 3,000 m³/d mine water treatment plant integrating a gravel bed bioreactor and equalization pond for variable flows and long-term closure planning.

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Coordinating design, sizing, and equipment supply through a single partner results ties each decision to performance and results in greater cost and schedule certainty.

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Develop integrated water management plans to ensure compliance and operational reliability.

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Uncertain discharge quality requirements or reporting thresholds
New permitting expectations tied to production changes or site expansions
Need for clearer monitoring strategies to support compliance confidence
Limited alignment between operational behavior and regulatory commitments
Preparing systems and reporting structures for audits, reviews, or regulatory updates

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We’re all stakeholders of our future resources. Employing an owner-mindset enables us to look beyond our own role to what the project, client, and community needs to succeed. We challenge convention where necessary, harness the next generation of environmental technologies and build constructive relationships to drive growth for our clients.

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Combine deep technical expertise with execution and operational experience

Complex and high-consequence industrial projects require a practical mindset to enable agile development and positive environmental outcomes.

Our vertically integrated water services platform combines science, engineering, equipment fabrication, and operations to provide fit-for-purpose assets that drive accountability and performance.

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