A circular construction project is planned as a chain of decisions: keep usable buildings and components in place, document what cannot remain, screen hazards, assign each element its highest-value feasible recovery route, and preserve the information needed for the next owner or contractor. Start with a retention and reuse survey—not a demolition specification—and make the materials record, design details, procurement terms, site procedures and future disassembly responsibilities part of the project controls.
The sequence below applies to new construction, renovation, extensions and demolition planning. Legal requirements depend on the building’s location, age, use and materials, so treat the standards and agency guidance as planning references and confirm applicable national, state, provincial and local rules before work begins.
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What circular construction planning has to achieve
“Circular” is not a single waste-diversion target. It is a project method that keeps buildings, assemblies and materials at their highest practical value for as long as possible. In practice, that means asking these questions in order:
- Can the existing structure, foundation or systems stay in service?
- If an element must be removed, can it be used again without being processed into a lower-value material?
- If direct reuse is not practical, can it be remanufactured or recycled safely?
- Can the new design be opened, repaired, adapted and eventually disassembled without destroying recoverable components?
- Will a future project have reliable information, a safe removal method and a real recipient for what is recovered?
The U.S. Environmental Protection Agency (EPA) describes reuse at several scales, from retaining an entire structure or foundation to salvaging individual systems and items. Its guidance also recognizes that complete deconstruction is not always feasible; partial deconstruction can target valuable or recoverable components. See EPA’s Best Practices for Reducing, Reusing, and Recycling Construction and Demolition Materials.
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A circular plan therefore produces decisions and records that survive design changes, procurement, construction, occupancy and eventual deinstallation. It is not a promise that every material will be reused.
Step 1: Set the project scope and test retention first
Define the intervention
Record whether the work is new construction, refurbishment, renovation, an extension, a partial demolition or a full demolition. The scope determines which surveys, approvals, temporary works and recovery methods are relevant. A renovation may involve retaining a structural frame and services while replacing finishes; a demolition may require a building-wide inventory and a sequenced deconstruction plan.
Survey what can remain
Before selecting replacement products, inspect the existing building and assess whether the whole structure, foundation, envelope, services or individual components can remain in use. The American Institute of Architects (AIA) recommends an early survey for reuse and deconstruction opportunities in its Framework for Design Excellence. Retention usually avoids the disturbance, handling and uncertainty associated with removal, so test it before assuming that demolition is the baseline.
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For each retained element, document its condition, capacity, interfaces and any work needed to bring it into the new scheme. Confirm structural, fire, accessibility, energy, moisture and operational requirements with the project’s qualified professionals and the authority having jurisdiction. A retained component is not automatically compliant with a new use simply because it is physically present.
Step 2: Conduct a materials and reclamation audit
Define the audit’s purpose
The audit is a decision record for products and components that may be retained, removed, reused, remanufactured or recycled. It is not a safety certificate and does not, by itself, prove that an item is suitable for a new application. Suitability still requires technical evaluation, hazard clearance, handling controls and acceptance by the receiving project.
Use a consistent inventory structure
For every significant element, capture:
- Product or component description and material type.
- Exact location, level, room or grid reference.
- Approximate quantity, dimensions and identifying marks.
- Installation method, connections and adjacent materials.
- Observed condition, damage, contamination indicators and remaining service considerations.
- Likely route: retain, direct reuse, remanufacture, recycle or dispose.
- Removal method, equipment, packaging and protection needed to preserve value.
- Testing, certification or professional review needed for the proposed next use.
- Potential recipient, geographic service area, acceptance criteria and required delivery date.
- Photographs, drawings, serial numbers, manufacturer information and confidence level of the record.
DIN SPEC 91484:2023-09 defines a procedure for recording building products before demolition or renovation, including information capture, the audit output, process, actors and tools. It is a Germany-originated, German- and English-language reference; do not present it as mandatory elsewhere unless a law, contract or client requirement adopts it.
Verify quantities and condition
Use drawings and model data as leads, then verify representative locations in the field. Record uncertainty instead of converting an estimate into a fact. Hidden fixings, moisture, fireproofing, coatings and previous repairs can change both removal cost and reuse potential. If destructive investigation is needed, plan it so that the opening itself does not unnecessarily destroy a recoverable assembly.
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Separate audit findings from approvals
Mark items that require a structural engineer, fire specialist, hazardous-materials professional, manufacturer, building official or receiving facility to approve the proposed route. An inventory entry such as “sound brick—reuse” is a starting hypothesis, not an authorization to install it in a load-bearing or regulated application.
Step 3: Screen hazards before recovery
Hazard screening must precede salvage, transport and resale. In the United States, EPA identifies asbestos, polychlorinated biphenyls (PCBs) and lead among federally regulated examples and notes that state and local requirements may also apply. The relevant EPA guidance is included in its construction and demolition materials best-practices page.
Do not treat this list as a universal checklist. Identify the project jurisdiction, building age, occupancy, renovation history and regulated materials that apply there. Engage appropriately qualified surveyors and laboratories where required. Keep suspect materials segregated, label them, restrict access and establish handling and disposal procedures before workers begin recovery.
Hazard clearance should be tied to the inventory record. A component cannot move into a reuse stream merely because it is attractive or apparently intact; the team needs evidence that its coatings, insulation, sealants, finishes and adjacent materials do not create an unacceptable risk under the applicable rules.
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Choose a route only after checking condition, safety, technical suitability, separability, preservation during removal, a confirmed recipient and the project’s timing and storage constraints. The following order is a useful decision framework, not a universal scoring system.
| Route | When to consider it | Controls to confirm |
|---|---|---|
| Retain or adapt in place | The building, foundation, system or component can meet the revised brief with acceptable work. | Condition, capacity, code and performance review; interfaces with the new design. |
| Direct reuse | The removed component can serve another application with limited processing. | Safe removal, testing or documentation, dimensional fit, recipient acceptance and protected storage. |
| Remanufacture | Processing or repair can restore a component to a useful product. | A capable remanufacturer, defined input quality, transport route and product requirements. |
| Recycling | Direct reuse or remanufacture is unsuitable, but material can be recovered into a secondary feedstock. | Separation, contamination limits, local processor capacity and delivery timing. |
| Safe disposal | Recovery is unsafe, technically unsuitable or has no responsible receiving outlet. | Correct classification, handling, transport and disposal under applicable law. |
Use partial deconstruction when it is the practical option
EPA notes that complete deconstruction is not always feasible. Partial deconstruction can focus on recoverable specialty components, sound wood framing, certain brick construction or other elements whose value justifies careful removal, while the remainder follows a different route. The feasibility depends on the building’s condition, connections, access, programme and local outlets.
Confirm the outlet before removal
A reuse center, architectural salvage store or materials exchange may differ in inventory, preparation requirements, service area and acceptance criteria. EPA describes all three channel types in its guidance. Contact the potential recipient with dimensions, quantities, photographs, condition notes, hazard information, pickup or delivery dates and any testing documents. A material without a confirmed outlet may become a storage, handling and disposal liability.
Step 5: Design new work for disassembly and adaptability
Apply the current international reference
ISO 20887:2020 provides design-for-disassembly and adaptability principles for buildings and civil engineering works, including new construction, refurbishment and renovation. ISO’s page says the edition was reviewed and confirmed in 2025, so it remains current according to that listing. The standard gives principles and guidance; it does not establish universal numeric performance levels or a single circularity score.
Specify reversible, accessible assemblies
Translate the principles into drawings and specifications that a contractor can build and a future contractor can interpret:
- Use modular, standard-size assemblies where they fit the functional and structural requirements.
- Reduce unnecessary material variety so components can be identified and separated.
- Prefer accessible, mechanically reversible connections where appropriate instead of concealed or destructive bonds.
- Provide access for inspection, repair and replacement of vulnerable parts.
- Select durable materials whose condition can be assessed and whose recovery is realistic.
- Coordinate tolerances and interfaces so one assembly can be removed without destroying adjacent work.
- Show removal sequences, lifting points, temporary support and worker-protection measures in the information needed for future work.
EPA’s design guidance calls for an adaptation or disassembly plan with key information such as as-built drawings, materials, key components, structural properties, repair access and contact information. Read the full EPA guidance when developing the project’s record set.
Design for more than one future
Adaptability is broader than easy demolition. Plan for changes in occupancy, servicing, partitions, floor loading, equipment and access. A building that can be repaired or reconfigured in place may retain more value than one designed only for a clean end-of-life separation.
Step 6: Put circular requirements into procurement and specifications
Allow reclaimed-material substitutions deliberately
Include a substitution process that states who can approve reclaimed products, what evidence is required and how equivalence will be demonstrated. Requirements may cover dimensions, structural or fire performance, emissions, durability, appearance, warranties, traceability and cleaning. “Reclaimed” is not a performance class; the project still needs a documented technical basis for acceptance.
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Write measurable project controls
AIA’s framework recommends allowing approved reclaimed-material substitutions, estimating and tracking waste, setting diversion goals, separating vulnerable recyclable materials on site and considering a material passport. Convert those actions into contract language:
- Require a waste and materials management plan before mobilization.
- Assign responsibility for the inventory, updates, approvals and handover.
- Define how quantities and destinations will be recorded.
- Set the evidence required for reuse, recycling and disposal claims.
- Require subcontractors to identify materials that must remain clean and dry.
- Provide a process for proposing recovered materials when availability changes.
Plan supply risk realistically
Recovered inventory is variable by location and time. A specification that depends on an exact reclaimed quantity or appearance needs an approved fallback that preserves the project’s performance and circular objectives. Do not promise a buyer a material that has not been inspected, reserved or contractually allocated.
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Step 7: Control site logistics and preserve value
Sequence removal before demolition
- Complete hazard surveys, permits and isolation plans.
- Photograph and tag components against the audit and drawings.
- Remove high-value or fragile items before heavy demolition starts.
- Use methods that preserve dimensions, edges, finishes and connection points.
- Separate incompatible materials at the point of removal.
- Protect items from weather, impact, moisture, theft and contamination.
- Record quantities, condition changes, destination and chain of custody.
- Release material only against the receiving party’s acceptance and delivery requirements.
Coordinate storage and transport
Confirm storage area, floor loading, racking, covers, ventilation, security, lifting equipment and maximum holding time. A component that is technically reusable can lose its value through poor stacking, wetting, breakage or mixed loads. Align the removal sequence with the recipient’s pickup window and the construction programme; early removal without a protected destination can create double handling and damage.
Use the project record as a live document
Preserve as-built drawings and update the materials record as products are selected, substituted and installed. Include product data, locations, quantities, connection types, maintenance information, repair access, warranties and responsible contacts. A material passport can be a useful format, but its value comes from accurate, maintained content rather than the label itself.
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Step 8: Manage circularity during operation
The owner or operator should know who maintains the record, where it is stored, how changes are logged and who authorizes future alterations. Tie the materials register to planned maintenance and refurbishment work so that a later team can distinguish original products from replacements.
For maintainable assemblies, record access panels, isolation points, lifting requirements, replacement parts and safe work constraints. For components likely to be removed, retain dimensional data, photographs and connection details. Review the record after tenant fit-outs, services changes, repairs and partial replacements; otherwise the end-of-life plan will describe a building that no longer exists.
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Assign future responsibility
Name the party responsible for maintaining the record and the party responsible for commissioning a future recovery or deinstallation assessment. State where the record is held, how access is transferred to a new owner and what information must be handed to contractors. Responsibility that exists only in an informal conversation will usually disappear during a sale or change of facility manager.
Document a safe disassembly sequence
Show how services are isolated, hazardous materials are controlled, temporary supports are installed, components are accessed, fasteners are removed and loads are lifted. Include worker-safety requirements and the order needed to prevent damage to retained or recoverable elements. The future contractor will need both the intended sequence and enough flexibility to respond to actual site conditions.
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Define destinations and decision gates
For each major assembly, identify a preferred route, an acceptable alternative and the evidence that triggers a change. Recheck the condition, market and receiving outlet before deinstallation; a plan made decades earlier cannot assume that a particular reuse center, processor or product market still operates.
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At the European Union level, Regulation (EU) 2024/3110 frames construction-product circularity around resource efficiency, prevention, repair, reuse, remanufacturing, secondary materials, recyclability and improved separation at deinstallation and demolition. Its application and implementing details are geographically bounded and can change, so an EU project should verify the provisions that apply to its products, date and member-state context.
Standards, guidance and jurisdiction: what each source can—and cannot—do
| Source | Use it for | Geographic or legal qualification |
|---|---|---|
| ISO 20887:2020 | Design-for-disassembly and adaptability principles for buildings and civil engineering works; current status listed as reviewed and confirmed in 2025. | International guidance standard; it does not create universal performance levels unless adopted by a contract, code or policy. |
| DIN SPEC 91484:2023-09 | Pre-demolition and pre-renovation recording procedure for evaluating high-quality reuse potential. | Germany-originated reference in German and English; not automatically mandatory outside an adopting jurisdiction or contract. |
| U.S. EPA construction and demolition guidance | Practical approaches to retention, deconstruction, design, hazards, records and reuse outlets. | U.S. agency guidance; state, local and project-specific requirements still apply. |
| EPA Deconstruction Manuals index | Manuals and additional resources for planning and carrying out deconstruction work. | U.S.-focused resource; check local rules and site conditions before applying a method. |
| Regulation (EU) 2024/3110 | EU construction-product provisions addressing circularity concepts and separation at deinstallation and demolition. | EU legal source; verify current applicability and implementing details for the specific project. |
Common failure modes and how to correct them
Starting with a waste target instead of retention
Symptom: The team calculates diversion after demolition is already designed. Correction: Reopen the scope survey and test whether the structure, foundation, systems or components can remain.
Calling an inventory a certification
Symptom: A spreadsheet labels products “approved for reuse” without testing or professional review. Correction: Separate observed condition from the approvals, tests and recipient acceptance required for the proposed application.
Removing material without an outlet
Symptom: Salvaged products sit outdoors while the project searches for a buyer. Correction: Confirm recipient, quantities, preparation, storage, transport and acceptance dates before removal.
Ignoring hidden hazards
Symptom: Workers begin stripping finishes or insulation based on visual inspection alone. Correction: Complete the jurisdiction-specific hazard survey, isolate suspect materials and obtain required clearances before recovery.
Designing “reversible” details that cannot be reached
Symptom: Fasteners are technically removable but buried behind finishes, sealants or later-installed services. Correction: Coordinate access, sequencing, tolerances and removal drawings during design review.
Letting the record become obsolete
Symptom: The handover set omits substitutions, repairs and connection changes. Correction: Make record updates a contract deliverable at product selection, installation, inspection, commissioning and every later alteration.
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Brief and feasibility
- Project type, boundaries, jurisdiction and authority contacts.
- Existing-building retention and adaptation survey.
- Initial hazard-screening scope.
- Roles for owner, designer, contractor, specialists and future record custodian.
Design
- Materials and reclamation audit with locations, quantities, condition and proposed routes.
- Design-for-disassembly and adaptability requirements.
- Accessible connections, repair zones and future removal sequence.
- Performance criteria and approval route for reclaimed substitutions.
Procurement and construction
- Waste and materials management plan.
- Confirmed reuse, remanufacturing and recycling outlets.
- Storage, packaging, lifting, weather protection and segregation arrangements.
- Field records for substitutions, quantities, destinations and condition.
Handover and operation
- As-built drawings and current materials register.
- Product data, structural properties, connection details, repair access and contact information.
- Maintenance and alteration procedures that preserve recoverability.
- Named record owner and update triggers.
Future deinstallation
- Jurisdiction-specific permits, hazard controls and worker-safety plan.
- Sequenced disassembly and temporary-support information.
- Preferred and fallback destinations for major components.
- Pre-removal condition check and confirmation that outlets still accept the materials.
Bottom line
Plan circularity as an information and decision system, not as a final waste-handling exercise. Retain what can remain, audit what cannot, clear hazards before recovery, choose a confirmed high-value route for each element, design new work for access and reversibility, and maintain a usable record through operation. The best plan is specific enough to guide today’s procurement and site work while remaining understandable to the people who will eventually repair, adapt or disassemble the building.
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