Our services - BIMTess

BIM services for hospitals, public buildings and complex projects

We provide tailored services for:

BIM Strategy, Information Requirements and Procurement

BIM Strategy and Project Objectives

Define the overall BIM strategy for the project, including BIM goals, expected value and alignment with the client’s organizational objectives.
Establish project-specific BIM uses, such as 3D coordination, quantity verification, design review, construction support, digital handover and asset management.
Define the BIM maturity level expected from the project team, including minimum capability requirements for consultants, contractors and subcontractors.
Set up BIM governance principles, including decision-making processes, escalation routes, approval responsibilities and information control rules.
Define BIM performance indicators, including measurable criteria for information quality, delivery compliance, model coordination and CDE usage.
Prepare the BIM implementation roadmap, covering the full project lifecycle from early planning to handover and operation.

Information Requirements: OIR, AIR, PIR and EIR

Develop the Organizational Information Requirements — OIR, defining what information the organization needs to support its strategic objectives.
Develop the Asset Information Requirements — AIR, defining the data needed for operation, maintenance and future asset management.
Develop the Project Information Requirements — PIR, defining the information required to make decisions during the delivery phase.
Develop the Exchange Information Requirements — EIR, including information deliverables, formats, exchange milestones and acceptance criteria.
Define the Level of Information Need — LOIN, by project stage, discipline, asset type, system and intended use of information.
Define acceptance criteria for information deliverables, including completeness, accuracy, classification, metadata, coordination and usability requirements.

BIM Documentation for Tender

Integrate BIM requirements into the tender documentation, ensuring that BIM obligations are contractually clear and measurable.
Prepare the BIM appendix to the technical specification, including model requirements, data requirements, delivery formats and workflows.
Define the minimum requirements for the pre-appointment BIM Execution Plan — pre-BEP, including structure, content and evaluation expectations.
Define requirements for the tenderer’s BIM team and capabilities, including roles, experience, software, resources and previous project references.
Define CDE, interoperability and delivery requirements, including IFC, BCF, native models, documents, metadata and status codes.
Prepare the full BIM tender package, including EIR, supporting reference information, common resources and BIM evaluation requirements.

Tender Evaluation and Procurement Support

Prepare the BIM evaluation matrix, including weighted criteria for BIM methodology, team capability, tools, workflows and deliverables.
Review and evaluate submitted pre-BEP documents, checking alignment with the EIR and identifying gaps or unclear commitments.
Assess BIM capability and capacity of tenderers, including team structure, relevant experience, resources, tools and proposed workflows.
Evaluate the proposed CDE, coordination and information delivery strategy, including issue management, clash management and reporting methods.
Identify BIM-related contractual and delivery risks, and prepare clarification questions for tenderers where required.
Prepare the BIM tender evaluation report, including recommendations, risk observations and proposed conditions for appointment.

BIM Management, Implementation and Control

BIM Governance and Information Management

Establish the BIM governance framework, defining how information will be created, reviewed, shared, approved and accepted.
Define information management roles and responsibilities, including client-side roles and responsibilities of appointed parties.
Prepare or review the project information protocol, including information ownership, use of models, responsibilities and contractual procedures.
Define the project information standard, including naming conventions, metadata, classification, model structure and delivery rules.
Define information production methods and procedures, including model creation, verification, review, approval and change control.
Monitor compliance with the governance framework, through periodic reviews, reporting and corrective actions.

CDE and Digital Workflows

Define the requirements for the Common Data Environment — CDE, including platform capabilities, access control, audit trail and information states.
Define CDE workflows for WIP, Shared, Published and Archived information, including transitions, review gates and approval responsibilities.
Define metadata, naming conventions and file status requirements, ensuring traceability and consistent information management.
Define role-based access rights and permissions, including access for the client, designers, contractors, supervisors, consultants and operators.
Review and validate the CDE configuration, including upload, review, approval, rejection, publishing and archiving workflows.
Audit the use of the CDE during the project, including compliance with procedures, information status, metadata and delivery records.

BEP, DRM, TIDP and MIDP Validation

Review and validate the post-appointment BIM Execution Plan — BEP, checking alignment with the client’s EIR and contractual requirements.
Review the Detailed Responsibility Matrix — DRM, ensuring that all information deliverables have clear owners and reviewers.
Review the Task Information Delivery Plans — TIDP, ensuring that each discipline has defined deliverables, responsibilities and deadlines.
Review the Master Information Delivery Plan — MIDP, checking that it consolidates all TIDPs and aligns with the project programme.
Review the authorization and acceptance procedures, including internal checks, lead appointed party review and client acceptance process.
Issue BEP / DRM / TIDP / MIDP review comments and recommendations, supporting approval, conditional approval or rejection.

BIM Monitoring, Audit and Quality Control

Monitor compliance with the EIR, BEP and MIDP, including delivery dates, information scope and agreed workflows.
Audit information containers in the CDE, including file naming, metadata, status codes, revision control and approval history.
Audit BIM models and associated data, checking geometry, attributes, classification, coordination and completeness.
Audit QA/QC processes performed by the delivery team, including model checks, issue logs, clash reports and approval evidence.
Monitor the closure of BIM issues and coordination problems, including critical clashes, unresolved comments and repeated non-compliances.
Prepare periodic BIM audit reports for the client, including findings, risks, corrective actions and management recommendations.

Information Delivery, Acceptance, Handover and Close-Out

BIM Deliverables Review

Review BIM deliverables submitted by the lead appointed party, including models, drawings, reports, datasets and supporting documents.
Check compliance with the EIR, BEP and LOIN requirements, including information scope, detail, classification and intended use.
Review IFC and native model deliverables, checking structure, export quality, data consistency and usability.
Review coordination and QA/QC reports, including clash status, resolved issues, outstanding risks and model validation evidence.
Check completeness and consistency between models, drawings, schedules and documentation, identifying discrepancies or missing information.
Prepare acceptance, conditional acceptance or rejection reports, with clear observations and required corrective actions.

Information Model Acceptance Support

Define and manage the information model acceptance process, including submission status, review responsibilities and decision gates.
Prepare model review checklists for the client, based on the EIR, BEP, LOIN and contractual deliverables.
Coordinate client-side review comments, consolidating feedback from technical, operational and management stakeholders.
Manage clarification rounds with the delivery team, ensuring that observations are properly answered and closed.
Track the correction of non-compliances, including rejected models, incomplete data, missing documents and unresolved issues.
Confirm final acceptance readiness, ensuring that the information model can be formally accepted by the client.

Digital Handover, AIM and Facility Management

Define the digital handover requirements, including information structure, formats, datasets, documentation and asset data.
Review information required for the Asset Information Model — AIM, ensuring that operational and maintenance needs are covered.
Review asset and equipment data, including identifiers, technical data, maintenance information, warranties and documentation links.
Check consistency between the as-built model, documentation and asset data, ensuring that handover information is reliable and usable.
Support integration with facility management systems, where required, including data mapping and handover structure.
Validate the final digital handover package, including models, documents, asset registers and operation-related information.

Project Close-Out and Lessons Learned

Verify the final archiving of models and documents in the CDE, including accepted versions, status codes and audit trail.
Prepare the final BIM deliverables register, including models, documents, reports, datasets and acceptance status.
Prepare the final BIM non-compliance and issue closure register, confirming that open items have been resolved or documented.
Organize the BIM lessons learned workshop, involving the client, lead appointed party and relevant appointed parties.
Prepare the final BIM performance and lessons learned report, including process efficiency, risks, good practices and improvement areas.
Update the client’s BIM templates and requirements for future projects, including EIR, BEP review criteria, CDE procedures and acceptance checklists.

BIM Tendering, Planning and Organization

Client Requirements Review

Review the client’s EIR and BIM contractual requirements, identifying obligations, deliverables and acceptance criteria.
Identify required BIM uses and delivery outputs, including coordination, construction support, quantities, as-built and digital handover.
Review CDE, interoperability and format requirements, including IFC, BCF, native models, metadata and file naming.
Review QA/QC, coordination and approval requirements, including internal checks, model federation and client submissions.
Identify BIM risks, gaps and ambiguities in the tender documents, including unclear responsibilities or unrealistic deliverables.
Prepare BIM clarification questions for the client, supporting risk reduction before tender submission or contract signature.

Pre-BEP and BIM Tender Response

Prepare the pre-appointment BIM Execution Plan — pre-BEP, responding clearly to the client’s EIR.
Define the BIM delivery strategy, including project stages, BIM uses, deliverables, coordination process and handover approach.
Define the proposed BIM team structure, including BIM Manager, BIM Coordinators, BIM Modelers and discipline responsibilities.
Define the proposed CDE and collaboration strategy, including information states, approvals, issue management and reporting.
Define the proposed model coordination and clash management strategy, including frequency, tools, responsibilities and reporting.
Integrate the BIM methodology into the technical tender response, including assumptions, exclusions, risks and required resources.

BIM Capability, Resources and Risk Management

Assess internal BIM capability and capacity, including available people, skills, experience and delivery readiness.
Assess software, hardware and license requirements, including authoring, coordination, CDE, model checking and visualization tools.
Assess subcontractor BIM capability, identifying minimum requirements, onboarding needs and potential delivery risks.
Prepare the BIM risk register, including risks related to information quality, resources, programme, interoperability and handover.
Define mitigation measures and delivery controls, including checkpoints, QA/QC gates, training and escalation procedures.
Estimate the BIM effort and define responsibility boundaries, supporting pricing, planning and contract negotiation.

BEP, DRM, TIDP and MIDP

Develop the post-appointment BIM Execution Plan — BEP, aligned with the EIR, contract and delivery methodology.
Prepare the Detailed Responsibility Matrix — DRM, assigning clear ownership for each model, document, dataset and approval step.
Coordinate the Task Information Delivery Plans — TIDP, ensuring that subcontractors and disciplines define their deliverables.
Prepare the Master Information Delivery Plan — MIDP, consolidating all TIDPs and aligning deliveries with the construction programme.
Define internal authorization and client submission procedures, including review gates, approval status and information exchange rules.
Maintain and update BEP, DRM, TIDP and MIDP during the project, reflecting approved changes, revised responsibilities and programme updates.

BIM Mobilization, Coordination and Information Production

BIM Mobilization and CDE Setup

Configure the CDE for the contractor’s delivery team, including structure, permissions, workflows, statuses and metadata.
Implement WIP, Shared, Published and Archived workflows, ensuring clear information states and approval gates.
Configure issue management and clash management workflows, including registers, responsibilities, priorities and reporting templates.
Prepare BIM templates and delivery resources, including naming templates, model check templates, reporting templates and submission forms.
Test upload, review, approval, rejection and client submission workflows, validating the process before full production starts.
Provide ongoing CDE administration and support, including user access, workflow troubleshooting and compliance monitoring.

Onboarding, Training and Subcontractor Support

Organize BIM onboarding sessions for subcontractors and delivery teams, explaining BEP, CDE, responsibilities and delivery expectations.
Provide training on BIM standards and model production requirements, including model structure, naming, classification and data rules.
Provide training on IFC export, BCF workflows and information exchange, ensuring consistent interoperability across teams.
Provide training on QA/QC procedures, including model checks, issue tracking, clash reporting and submission evidence.
Run pilot information exchanges with subcontractors, testing model submission, review, feedback and correction workflows.
Provide continuous BIM support to subcontractors, helping them meet project requirements and reduce delivery delays.

Model Federation and 3D Coordination

Collect and federate discipline models, including architecture, structure, MEP, specialist systems, equipment and subcontractor models.
Check model alignment, coordinates, levels and grids, ensuring that all models are correctly positioned and usable for coordination.
Run clash detection and model coordination cycles, identifying spatial, functional and access-related conflicts.
Classify and prioritize coordination issues, based on severity, discipline responsibility, construction impact and resolution urgency.
Manage BIM coordination meetings and issue resolution, assigning actions, tracking deadlines and confirming closure.
Prepare and distribute coordination reports, including clash status, open issues, resolved items and key risks for construction.

BIM Modeling, Updating and Information Production

Develop construction-related BIM models, where required, for execution coordination, installation planning and technical clarification.
Model critical construction interfaces, including openings, penetrations, builders’ work, plant rooms, risers and congested technical areas.
Develop models for prefabrication or off-site coordination, where relevant to the construction strategy.
Update models based on approved decisions and design changes, maintaining traceability between instructions, RFIs and model revisions.
Develop progressive as-built models, integrating verified site information and installed equipment data.
Prepare intermediate information deliveries, including models, reports, schedules and datasets for internal or client review.

BIM for Construction, Delivery and Close-Out

BIM Support for Site Execution

Provide model-based support to site teams, enabling better understanding of coordinated design and construction interfaces.
Use BIM models to support technical clarifications and RFIs, linking site issues to model views, drawings and information containers.
Compare site conditions with the BIM model, identifying discrepancies, missing information or required design clarifications.
Track approved changes and update models accordingly, ensuring that construction information remains current and reliable.
Support coordination of critical areas on site, such as plant rooms, shafts, ceilings, medical rooms, operating areas or dense MEP zones.
Report BIM-related site issues to project management, including risks, unresolved coordination items and required decisions.

Quantities, Planning and Production Control

Extract quantities from BIM models, supporting procurement, validation, work packages and internal project controls.
Check model-based quantities against contractual quantities, identifying discrepancies and supporting technical review.
Support work progress and payment applications, where model-based quantities are used as supporting evidence.
Link BIM models with the construction programme for 4D planning, where required by the project scope.
Support construction sequencing and logistics planning, especially in complex or congested areas.
Support 5D cost analysis and change impact assessment, where required, by linking quantities, scope changes and cost implications.

Information Delivery, Internal Authorization and Client Submission

Collect BIM deliverables from subcontractors and appointed parties, ensuring that all required information is received.
Review and validate deliverables before client submission, including models, drawings, reports, data and documentation.
Federate and review the final information model, checking consistency, coordination status and delivery completeness.
Prepare internal authorization reports, including QA/QC evidence, coordination reports and compliance statements.
Prepare IFC, native model and supporting document packages, according to the agreed MIDP and submission requirements.
Submit the information model to the client through the CDE, with correct status, metadata, revision and supporting evidence.

As-Built, Digital Handover and Lessons Learned

Coordinate the as-built BIM process, including information collection, model updates and validation of installed conditions.
Integrate approved construction changes and installed equipment information, including technical data, asset IDs and documentation links.
Prepare the digital handover package, including as-built models, documents, asset data, QA/QC records and operation-related information.
Support the client’s final acceptance process, responding to review comments, correcting non-compliances and resubmitting information.
Organize internal BIM lessons learned, reviewing coordination, information delivery, subcontractor performance and CDE effectiveness.
Prepare the contractor’s final BIM report and update internal standards, improving future BIM delivery processes.

BIM Tendering, Planning and Design Organization

BIM Requirements Review

Review the EIR and BIM requirements applicable to design, identifying obligations, deliverables, formats and approval procedures.
Identify discipline-specific BIM requirements, including model content, data, LOIN, export formats and coordination responsibilities.
Review CDE and collaboration requirements, including information states, submissions, approvals, comments and issue management.
Review QA/QC and coordination requirements, including internal model checks, interdisciplinary review and clash management.
Identify design-stage BIM risks and ambiguities, including unclear data requirements, unrealistic deliverables or missing reference information.
Prepare BIM clarification questions for the client or lead appointed party, reducing risk before appointment or project mobilization.

Pre-BEP and BIM Technical Response

Prepare the design team pre-BEP, responding to the client’s EIR or lead appointed party’s information requirements.
Define the design BIM strategy, including model production, coordination, information exchange and stage-based deliveries.
Define the BIM team structure and responsibilities, including discipline coordinators, model authors, reviewers and information managers.
Define model production and coordination methods, including authoring tools, federation, issue management and review frequency.
Define IFC export, BCF and interoperability workflows, ensuring that information can be exchanged with the wider project team.
Integrate the BIM methodology into the design technical proposal, including assumptions, exclusions, risks and required resources.

BEP, Responsibilities and Information Delivery Planning

Develop or contribute to the post-appointment BEP, depending on whether the designer acts as lead appointed party or appointed party.
Define and confirm BIM responsibilities within the DRM, including model ownership, data ownership and review responsibilities.
Prepare discipline-specific TIDPs, defining information deliverables, deadlines, formats, responsible persons and dependencies.
Prepare or contribute to the MIDP, aligning design deliverables with the project programme and information exchange milestones.
Define internal design approval procedures, including model checks, discipline review, interdisciplinary review and authorization for sharing.
Maintain and update delivery plans during the design process, reflecting approved changes, revised deadlines and evolving project requirements.

BIM Standardization for Design

Define model authoring standards, including model structure, worksets/layers, views, naming, coordinates and model segregation.
Define parameter, property and classification standards, ensuring consistent information across disciplines and deliverables.
Define IFC export rules and model exchange settings, ensuring reliable interoperability and usable exchanged models.
Define drawing and documentation extraction rules, ensuring consistency between the model, drawings, schedules and documentation.
Define QA/QC templates and model checking procedures, including geometry, data, coordination and documentation checks.
Prepare project-specific BIM templates and common resources, enabling consistent model production across the design team.

BIM Mobilization, Modeling and Coordination

Technical Mobilization and Configuration

Configure BIM authoring templates and project files, ensuring a consistent starting point for all design disciplines.
Configure shared coordinates, levels and grids, ensuring that all discipline models are correctly aligned.
Configure project parameters, classifications and data structures, ensuring alignment with EIR, BEP and LOIN requirements.
Configure IFC export and BCF workflows, enabling reliable model exchange and issue communication.
Configure CDE-based design workflows, including submission status, review cycles, comments and approval responsibilities.
Test interdisciplinary model exchange before full production, identifying workflow issues early and reducing later coordination problems.

BIM Authoring and Information Production

Produce BIM models for the relevant disciplines, including architecture, structure, MEP, equipment or other specialist design scopes.
Develop models according to the required project stage and LOIN, ensuring that geometry and data are appropriate for each use.
Add required information, properties and classifications to model elements, supporting coordination, quantities, documentation and handover.
Generate drawings, schedules and documentation from the model, maintaining consistency between graphical and non-graphical deliverables.
Extract and validate model-based quantities, where required for design decisions, cost planning or technical verification.
Prepare model outputs for coordination, review and formal delivery, including native models, IFC, drawings, schedules and reports.

Interdisciplinary Coordination

Collect and federate discipline models for design coordination, including architecture, structure, MEP and specialist systems.
Coordinate spatial and functional interfaces between disciplines, including shafts, risers, technical rooms, ceilings and congested zones.
Coordinate equipment and specialist systems with the building design, including medical, technical, operational or supplier-specific requirements.
Run design-stage clash detection and issue management, identifying conflicts before they become construction problems.
Manage interdisciplinary coordination meetings, assigning responsibilities, deadlines and resolution priorities.
Track and confirm closure of design coordination issues, maintaining a clear record of decisions and resolved conflicts.

QA/QC and Internal Model Review

Check model geometry, coordinates, levels and grids, ensuring technical correctness and alignment between disciplines.
Check compliance with modeling standards, including naming, structure, classification, parameters and model organization.
Check completeness and consistency of model data, ensuring that required attributes are included and correctly populated.
Check consistency between models, drawings, schedules and documentation, reducing discrepancies in formal deliverables.
Check interdisciplinary coordination status, including unresolved clashes, open issues and discipline dependencies.
Prepare internal QA/QC reports, documenting model quality, identified issues, corrective actions and approval for sharing.

BIM Delivery, Construction Support and Close-Out

BIM Deliverables by Project Stage

Prepare BIM deliverables for feasibility or concept stages, including models, diagrams, quantities and visual information appropriate to early decisions.
Prepare BIM deliverables for permitting stages, supporting authorization documentation, functional coordination and traceability of design decisions.
Prepare BIM deliverables for technical design stages, including coordinated models, drawings, schedules, quantities and reports.
Prepare BIM deliverables for construction support, including updated models, coordination extracts, issue views and technical clarifications.
Prepare IFC, native models and documentation packages, according to the agreed BEP, MIDP and CDE submission requirements.
Submit BIM deliverables through the CDE, with correct naming, metadata, status, revision and supporting QA/QC evidence.

BIM Support During Construction

Update design models based on approved clarifications and site instructions, maintaining alignment between design intent and project records.
Assess the impact of changes on all design disciplines, identifying affected models, drawings, quantities and technical decisions.
Support RFIs and technical clarifications using BIM models, providing coordinated model-based responses where relevant.
Review alternative technical solutions proposed during construction, assessing compatibility with design intent and project requirements.
Coordinate with the contractor’s construction models, identifying discrepancies, interface issues and required clarifications.
Participate in construction-stage BIM coordination meetings, supporting issue resolution and design-related decision-making.

Construction and As-Built Model Review

Review construction models developed by the contractor, checking compatibility with the approved design and project requirements.
Review proposed changes against design intent, functional requirements, technical systems and regulatory constraints.
Review as-built models against approved design changes, ensuring that recorded information reflects accepted construction decisions.
Check equipment and system information included in as-built models, where this relates to the design scope or technical requirements.
Issue BIM review comments to the contractor, identifying non-compliances, missing information and required corrections.
Support closure of BIM non-compliances, ensuring that final information is coordinated, traceable and acceptable.

Final Delivery and Lessons Learned

Prepare final design BIM deliverables, including models, drawings, schedules, reports and relevant supporting documentation.
Check completeness of final design information, ensuring that all required deliverables are submitted and properly referenced.
Support final handover to the client, including coordination with the contractor’s as-built and handover information.
Support transfer of information to the AIM, where design information is required for operation, maintenance or future asset management.
Participate in the BIM lessons learned process, documenting coordination issues, workflow challenges, good practices and improvement areas.
Update internal BIM standards and templates, using project experience to improve future design delivery.

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