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A common data environment (CDE) in construction is the agreed source of project information, operated through a controlled workflow rather than a merely shared folder. Under ISO 19650-1:2018, it collects, manages and disseminates every information container—models, drawings, schedules, reports and other records—through defined checks, permissions, status codes and approvals. To set one up, the appointing party must first define the information-management workflow and standards, then configure one project CDE (or connected solutions) to enforce that workflow.
The result should be simple for every participant to understand: where a container is, who may change it, what its current revision means, and whether it is suitable for coordination, review or contractual use. The guide below follows the international ISO 19650 concept and identifies UK-specific naming and status conventions separately.
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What is a common data environment in construction?
ISO 19650-1:2018, clause 3.3.15, defines a CDE as an “agreed source of information (3.3.1) for any given project or asset (3.2.8), for collecting, managing and disseminating each information container (3.3.12) through a managed process.” The current standard is published by ISO. In practical terms, a CDE is both a workflow and the technology that enables it.
An information container is a “named persistent set of information retrievable from within a file, system or application storage hierarchy,” according to the ISO 19650-1 wording quoted by 12d Synergy. A container may be a geometrical model, drawing, specification, schedule, database, report, point cloud, photograph or other structured or unstructured information. The CDE identifies it, controls access, records revisions and suitability, and preserves the history of what was shared or accepted.
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The word agreed matters: the project has one authoritative environment provided by the appointing party (the client or asset owner), or by a third party acting for that party. The word managed matters just as much: a file is not reliable merely because it is stored. Checks, reviews, authorisations, permissions and an audit trail must control how it moves through the project.
The UK BIM Framework Guidance Part C states the distinction clearly: “The CDE workflow describes the processes to be used for collecting, managing and disseminating structured and unstructured information, and the CDE solution is the technology that enables these processes.” It also warns that workflows should be developed before solutions are selected.
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Is a CDE the same as BIM or a shared drive?
No. BIM is the broader process of producing and managing information about a built asset, including models. A CDE is the controlled environment and process through which that information is identified, checked, exchanged and retained. A project can use BIM authoring software yet still have poor information management if models travel by email or sit in uncontrolled personal folders.
A shared drive, SharePoint library or ordinary cloud folder can store files, but storage alone does not create ISO 19650 states. A folder called “WIP” is not work in progress unless permissions, checks and an audit trail enforce that meaning. A proportionate CDE may be lightweight, but it must still make the permitted use of each container unambiguous.
One workflow can include several connected technologies: a document system, a model-coordination tool, an RFI register and field-quality software. Delivery teams may run their own distributed CDE solutions, but the UK BIM Framework says these are in addition to—not instead of—the project CDE provided by the appointing party.
What does ISO 19650 require, and what is current in 2026?
ISO 19650-1:2018 remains the current published concepts-and-principles standard as of 14 November 2026. The ISO catalogue records Edition 1, published on 7 December 2018, confirmed in 2024 and now at stage 90.92, “International Standard to be revised.” The 34-page publication is listed at CHF 179 for either PDF plus ePub or paper, excluding shipping.
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ISO 19650 is platform-neutral. It does not certify a named CDE product or prescribe a particular folder layout. It can be adapted to projects and assets of any scale and complexity, provided implementation is proportionate and appropriate to the project.
Who sets up and manages the project CDE?
The appointing party—normally the client or asset owner—provides and manages the project CDE, or appoints a third party to do so. The lead appointed party (for example, a lead consultant or main contractor) authorises information before the appointing party accepts it. Appointed parties such as designers, surveyors, planners and suppliers produce containers within task teams.
The CDE rules should be settled in the information requirements, information standard and BIM execution plan during tendering, appointment and mobilisation—not improvised after the first model is issued. A delivery team can operate a private authoring or coordination environment, but information exchanged with the client must pass through the agreed project CDE.
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Every information container moves through four ISO 19650 information states. Gates separate the states; a container may return to an earlier state after review, and some containers are never published.
| State | Meaning | Permitted use and gate |
|---|---|---|
| Work in progress (WIP) | The originating task team is developing the container. | Private and editable by that team. It must be checked before release. |
| Shared | Checked information released for coordination, comment or reference. | Normally read-only for recipients. The task team’s QA and a technical review precede sharing. |
| Published | Information authorised for a defined contractual or stage purpose. | The lead appointed party authorises it; the appointing party accepts it before reliance for the stated purpose. |
| Archive | The retained record of shared and published information and transactions. | Read-only evidence of what was issued, superseded or accepted; it is not a working copy. |
The UK BIM Framework gives a useful warning about status: it should make clear what a recipient may use a container for and, by extension, what they must not use it for. A container marked suitable only for review and comment must not be used to procure materials, agree costs or construct the works.
Shared information is coordinated against other shared information, not against private drafts. Authors retain responsibility for their containers after sharing; edits are made in WIP and a new revision is released. At close-out, relevant validated project information transfers into the asset information model (AIM), while the project information model (PIM) and its history are archived.
What metadata does every container need?
Each container needs a unique identifier and, in the UK implementation, metadata for revision, status (also called suitability) and classification. UK BIM Framework guidance explains that ISO 19650-1 clause 12.1 recommends revision and status assignments, while ISO 19650-2 clause 5.1.7 requires the CDE to enable revision, status and classification. Projects may add fields for security, package, asset and discipline information.
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Revision identifies which issue of a container it is. In the UK National Annex, preliminary issues use a P series (for example P01, P02, with minor WIP iterations such as P01.1); a contractual published issue uses a C series (C01, C02 and so on).
Status identifies the permitted use. A public restatement of the UK National Annex by Plannerly lists S0 as initial WIP, S1 as suitable for coordination, S2 as suitable for information, S3 as suitable for review and comment, S4 as suitable for stage approval, S6 as suitable for project-information-model authorisation and S7 as suitable for asset-information-model authorisation. S5 is withdrawn. A-series codes represent authorised and accepted published information; CR identifies an as-constructed record. B-series codes are used in some UK interpretations for partially authorised and accepted information with comments to address. The project information standard must define the codes actually used.
S2 does not mean approved. It means reference information in the shared state. Approval is represented by the project’s authorised-and-accepted process, normally an A code or another explicitly defined contractual code.
Classification should describe the content using a method consistent with ISO 12006-2. UK projects commonly specify Uniclass 2015 and identify the applicable tables in the information standard. Classification should not duplicate the container type already represented in the identifier.
Do status and revision go in the file name?
In the UK approach, no. Status and revision are CDE metadata, not filename fields. Keeping them as metadata allows a stable identifier and preserves links when a container moves from WIP to shared or published.
The UK National Annex uses seven hyphen-separated filename fields: project, originator, volume or system, level or location, type, role and number. A representative name is HLX-ABC-ZZ-02-M3-A-0001: project HLX, originator ABC, all zones, level 02, a 3D model, architectural role and unique number 0001.
Common type codes include M2 or M3 for 2D or 3D models, DR for drawings, SP for specifications, RP for reports, SH for schedules and MI for minutes. Role codes include A (architect), S (structural), M (mechanical), E (electrical), C (civil), W (contractor) and K (client). Codes must come from the project information standard; teams should not invent them while uploading. National annexes differ, so a US, Australian or Gulf project must follow its own requirements rather than copy UK codes.
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How do you set up a CDE on a construction project?
Start with the information workflow and requirements. Then configure technology to enforce them. The following sequence combines the UK BIM Framework checklist with practical mobilisation steps.
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- Define information requirements and milestones. Specify the information exchanges, standards, review points, security needs and handover information required by the appointing party.
- Write the state workflow. Document how each container is created, checked, shared, authorised, accepted, published and archived. Define rejection and resubmission paths.
- Name the project CDE owner. Record the appointing party or appointed administrator and identify the single project environment in the information standard and BIM execution plan.
- Set the identifier and naming convention. Define fields, code lists and rules for native files and exports. An IFC export and its authoring source should not accidentally share one identifier.
- Agree status and revision rules. State what every code permits and forbids, who can change it and when a new revision is required.
- Choose the classification method. Specify ISO 12006-2 alignment and, in the UK, the relevant Uniclass 2015 tables.
- Design permissions. Restrict WIP to the originating task team; allow appropriate delivery teams to read shared information; expose published information to those who must rely on it. Set permissions by person and organisation, with separate controls for commercial or security-sensitive information. ISO 19650-5 is the security-minded part of the series.
- Test connections between solutions. If several tools remain, decide whether transfers are manual or automated and verify that identifiers, status, revision and classification survive the transfer.
- Document methods and procedures. Explain how staff apply the information standard in each tool, including upload validation, review records, approvals and archive retention.
- Configure navigation. Use a shallow, understandable structure organised by state, discipline, volume or zone as appropriate. Folders may mirror WIP, Shared, Published and Archive, but status metadata can also carry the state; the gate must be real either way.
- Assign gate roles. Name the roles responsible for task-team checks, coordination review, authorisation, acceptance and publication rather than relying on an undefined “administrator.”
- Run a dummy container through all four states. Confirm that permissions, audit records, metadata, notifications and rollback work before live deliverables are uploaded.
- Mobilise and train the supply chain. Include every subcontractor and specialist who will upload or consume information. Training at mobilisation prevents inconsistent names and uncontrolled email copies.
A practical acceptance test is this: a person unfamiliar with the project can open a container, read its identifier, status and revision, and know whether they may coordinate against it, comment on it or build from it without asking the author.
How should you choose CDE software?
Choose against the workflow, not a brand list. Products commonly used as CDE or CDE-like environments include Autodesk Construction Cloud (with a reported 2026 transition to Autodesk Forma naming), Trimble Connect, Trimble Quadri, Bentley ProjectWise, Asite, Oracle Aconex, Procore, Viewpoint and Fieldwire. A model-checking or issue platform such as BIMcollab or Solibri may sit beside a CDE rather than replace its controlled container store.
- State enforcement: Can the system require checks and approvals, or does it only provide folders?
- Metadata integrity: Can it hold revision, status and classification, validate them on upload and preserve them when data moves to the appointing party’s environment?
- Authoring and field integration: Does it connect to the tools used by the project, such as Revit, Tekla, Civil 3D, IFC or OpenRoads, while still serving field users?
- Supply-chain access: Can all appointed organisations participate without licensing or account barriers that encourage email workarounds?
- Permissions and security: Can access be controlled by individual and organisation, including restricted commercial or security-sensitive areas?
- Auditability: Does the record show who uploaded, changed, reviewed, approved, downloaded or superseded a container and when?
- Multi-solution operation: If several systems are unavoidable, who owns the joins and has a test file retained its codes?
The project CDE remains the appointing party’s agreed source even when delivery teams operate their own solutions. An API or connector can reduce duplicate uploads, but it does not remove the need to define ownership, transfer rules and validation.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What security and ownership issues should the CDE address?
Apply least-privilege access and review it when organisations join, leave or change scope. Financial, commercial and risk information may be stored in the CDE but hidden from users who do not need it. For sensitive assets, include security-minded information-management requirements and threat controls rather than assuming a general project permission scheme is sufficient.
The CDE records who produced, revised and accepted a container; it does not decide intellectual-property ownership. Ownership, licences to use design contributions, and rights when a designed object is replaced by a manufactured product belong in the appointment and supply contracts.
What are the most common CDE mistakes?
- Renaming folders WIP, Shared and Published without implementing permissions, checks and approval gates.
- Coordinating against WIP or building from S2 reference information.
- Sharing before task-team QA, creating false clashes and unreliable coordination.
- Allowing every organisation to keep a separate private “source of truth” and reconciling by email.
- Inventing filename codes or changing conventions between models and drawings.
- Putting status or revision in filenames, which breaks links and creates duplicate records.
- Letting anyone press a publish button, so published no longer means authorised and accepted.
- Deleting superseded information instead of retaining an archive.
- Buying software before agreeing the information standard and transfer test.
- Treating the CDE as an IT storage ticket instead of an information-management responsibility.
What benefits can a CDE deliver?
A well-managed CDE gives the project one current revision, fewer uncontrolled copies, an auditable approval record and a clear basis for coordination. It lets field teams access the information they need without every user having a full authoring licence, supports exchanges such as RFIs and submittals, and creates a more dependable handover into the AIM.
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These are operational benefits, not a guaranteed percentage saving. The sources reviewed for this guide do not provide a primary, organisation-and-year-backed figure for CDE adoption, error reduction or return on investment. Benefits depend on the quality of the workflow, the discipline of participants and the suitability of the chosen solution.
What should a project record in its information standard?
At minimum, record the project CDE and its administrator; information requirements and exchange milestones; container identifiers and filename fields; revision, status and classification code lists; permission groups; review, authorisation and acceptance gates; archive and retention rules; security requirements; export and federation rules; and the process for transferring metadata between connected solutions. This document is the bridge between the contract, the BIM execution plan and the software configuration.
The strongest test of compliance is not a screenshot of a folder tree. It is whether the project can demonstrate, for a selected container, who created it, what checks it passed, what its status allowed, which revision was accepted, who accepted it and where the superseded record remains.
Frequently Asked Questions
Is SharePoint a CDE for a construction project?
It can serve as the technology for a proportionate CDE if the project configures permissions, metadata, review gates, version history and an audit trail that enforce the agreed workflow. A default document library with informal folders is only storage, regardless of its name.
Can a small project use a paper-based CDE?
Yes. UK BIM Framework guidance recognises that a non-digital exchange, such as organised hard-copy cabinets, can be a CDE solution where digital methods are not permitted. The same identification, checking, suitability, authorisation and archive rules still have to operate.
What happens to the CDE at project handover?
Validated information needed to operate and maintain the asset is transferred from the project information model into the asset information model. Draft WIP and unauthorised shared containers are not a sound handover basis, while the project record and transactions remain archived.
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No. The CDE records production, revision and acceptance history, but intellectual-property ownership and licences are contractual matters. Appointments should state what use rights the client and other participants receive.
How often should CDE rules be reviewed?
Review them at mobilisation, before each major information exchange and whenever the project adds a discipline, organisation, tool or security requirement. A short pilot container and a documented change record can reveal broken permissions or lost metadata before those issues affect contractual deliverables.
