Prepare a new construction project
Clarify the intended use, programme, site, spaces, required studies, responsibilities, schedule and delivery conditions.
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Civil engineering
COREVIA International supports the assessment of needs, constraints, existing conditions, studies and the requirements for designing, building, rehabilitating or supervising a structure.
Delivery begins with understanding the context
A construction, rehabilitation or site development project depends on the intended use, site, existing conditions, dimensions, access, resources, permissions, safety and budget.
COREVIA International therefore begins by assessing the need and available information before defining a study, documents, quantities, intervention or schedule.
Depending on the accepted scope, support may include scoping, site visits, studies, design, estimation, preparation, supervision, quality review, rehabilitation or acceptance.
Every document and estimate should be understood according to its level of detail. A preliminary note, sketch, conceptual drawing and execution document do not serve the same purpose.
When should you contact us?
These categories are indicative. Feasibility, study level, permissions, budget, schedule and delivery mode should be confirmed after assessment.
Clarify the intended use, programme, site, spaces, required studies, responsibilities, schedule and delivery conditions.
Review the available condition, future use, known defects, constraints, planned work and information requiring on-site verification.
Assess the existing structure, new needs, interactions between parts, access, loads and required work before any modification.
Assess the organisation of spaces, access, circulation, platforms, networks, drainage or equipment according to the scope.
Define the level of available information, identify work items, measure or quantify according to the scope and state pricing assumptions.
A preliminary estimate is not a final contractual price.
Define the work to be observed, reference documents, responsibilities, controls, meetings and included reports.
Gather history, symptoms, photographs, documents and uses before determining the required inspections or studies.
A cause should not be concluded from a photograph or remote description alone.
Gather information, assess the site, identify constraints, compare options and prepare the next decisions.
Verified projects
How may we support you?
The services actually included should be specified in the proposal. A visit, study or estimate does not automatically mean that execution drawings, construction work, supervision or permissions are included.
Understand the intended use, site, objectives, constraints, available documents and required level of support.
Review access, existing conditions, available dimensions, visible constraints and elements requiring measurements or additional studies.
Assess feasibility, organise requirements, prepare scenarios or directions and identify studies required for the next stage.
Prepare sketches, diagrams, drawings, notes or documents according to the study level, available data and defined responsibilities.
The title, purpose and limitations of each document should be clearly stated.
Identify work items, prepare quantities and build an estimate using available documents, assumptions, units and references.
Organise stages, dependencies, resources, access, responsibilities, validation points and start conditions.
Observe progress, compare selected elements with reference documents, report issues and produce the reports included in the scope.
Organise the included checks, record reservations, prepare handover documents and confirm closure according to the scope.
Project types
These categories are not fixed packages. The level of involvement depends on the nature of the project, available expertise, available information, permissions and accepted scope.
New project, adaptation, extension, rehabilitation or assessment of a need related to residential space.
Offices, shops, workshops, service spaces or premises requiring an assessment adapted to their intended use.
Facility, association premises, collective space or asset whose programme and responsibilities should be clearly defined.
Assessment of the available condition, future use, known defects, constraints and planned work.
Assessment of interactions between existing conditions and new needs before preparing any modification.
Access, circulation, platforms, technical areas, drainage or other works assessed according to the scope.
A project requiring particular assessment to determine whether it falls within the service scope and which expertise should be involved.
Understand the project as a whole
These dimensions are presented for guidance. Their importance varies according to the project and level of support.
Access, boundaries, slope, surroundings, water, vegetation, neighbours and available information.
Functions, users, occupancy, activities, equipment and future development.
Buildings, networks, structures, known defects, documents, previous work and conservation constraints.
Organisation, access, movement, technical areas, maintenance and operation.
Systems to be assessed according to data, loads, materials and project conditions.
Water, drainage, energy, communication, ventilation or other installations according to scope.
Access, protection, construction conditions, obligations and responsibilities of the parties.
Resources, quantities, availability, supply, validation and dependencies.
Prepare the assessment
A request may be submitted even when some elements are missing. Available information helps identify the additional studies required.
Address, site, town, neighbourhood and access details.
Construction, extension, rehabilitation, site development, study, estimate, supervision or another need.
Home, office, shop, facility, workshop, storage, service or another activity.
Information identifying the person or organisation authorised to commission the assessment or work.
Existing measurements, areas, boundaries or surveys, subject to verification.
Description, approximate age, known defects, alterations, damage or constraints.
Drawings, sketches, reports, photographs, surveys, studies or available permissions.
Existing information where the project requires it.
List of spaces, functions, equipment and desired relationships.
Available range when the client can provide it.
Start date, deadline, phases, dependent events and availability constraints.
Owner, project owner, contractor, craftsperson, designer, supplier or another party already involved.
Access, neighbours, operations, safety, regulations, environment or documents to obtain.
Functions, quality, cost, timing, use, maintenance or other elements used to assess the outcome.
Sensitive documents should be shared only through an appropriate channel when required.
Observe before drawing conclusions
A photograph, sketch or description may help prepare the assessment, but does not necessarily replace an inspection when condition, dimensions, access or interactions need to be verified.
A visual visit does not automatically constitute a complete structural assessment.
From request to handover
Listening and discovery
Identify the intended use, location, existing conditions, objectives, documents and known constraints.
Listening and discovery
Review drawings, measurements, photographs, permissions, stakeholders, budget and missing data.
Assessment and scoping
Review access, existing conditions, visible constraints and additional studies required.
Assessment and scoping
Clarify spaces, functions, services, exclusions, responsibilities and deliverables.
Proposal and planning
Prepare the agreed documents and assessments according to the accepted study level.
Proposal and planning
Define stages, resources, validations, timeframes, conditions and the estimate.
Delivery, monitoring and quality control
Organise the work, observations, validations, reports and corrections included in the scope.
Handover, approval and support
Record reservations, hand over the agreed documents and organise included follow-up.
Possible results of the study or assignment
Not every deliverable is automatically included. Content, detail, use and contractual value depend on the accepted scope.
Summary of the need, objectives, information received and main constraints.
Record of observed elements and additional information required.
Organisation of spaces, functions, uses or requirements defined with the client.
Assessment of options, constraints, assumptions and conditions required to proceed.
Preliminary representation used to explain an organisation or option.
Documents prepared for the study level defined in the proposal.
Explanations, assumptions, criteria or recommendations according to scope.
Assessment of quantities based on available documents, assumptions and units.
Preliminary or detailed budget assessment according to the available information.
Organisation of expected phases, dependencies and timing.
Observations, progress, issues, decisions or reservations according to the assignment.
Documents, drawings, reports, reservations or agreed closure elements.
Each deliverable should have a title and purpose corresponding to its actual level of detail.
Understand the documents provided
Gather and organise initial information.
Present an idea, organisation or general option.
Assess feasibility, constraints and the principal options.
Develop the elements included in the scope to a higher level of detail.
Support delivery or closure when this level is explicitly included, prepared and approved by the responsible stakeholders.
A document should never be used beyond its stated purpose.
Drawings, sketches and graphic documents
Assess using available information
An estimate may be preliminary, detailed or revised according to the available documents.
The more limited the information, the more clearly reservations should be stated.
Drawings, surveys, dimensions or assumptions used.
Work, materials, equipment, labour or services concerned.
Unit, area, volume, length, quantity or another suitable basis.
Unconfirmed elements that influence the estimate.
A quantity may be estimated without the price being finally confirmed.
Prices and availability may change.
Taxes, transport, studies, permissions, equipment or other excluded elements.
A change in drawing, quantity, quality, location or schedule may change the estimate.
An estimate becomes contractual only under the conditions set out in the accepted proposal or contract.
Why an estimate depends on the project
An estimate and schedule depend on the information available and actual project conditions.
They should be reviewed when the need, site, documents or responsibilities change.
Distances, access and logistics influence preparation.
Observed conditions may require additional studies or work.
Accuracy depends on the documents and checks actually available.
Scale, interfaces and difficulty influence project organisation.
Required characteristics should be defined and availability confirmed.
Teams, equipment and supply depend on the context.
Some stages depend on external decisions or documents.
Responsibilities and sequences should be coordinated.
Site conditions may affect access and the organisation of work.
Any change may require quantities, costs or timing to be reviewed.
Any change to the need, documents, quantities, resources or conditions may require a revised estimate.
How we may work
Studies, surveys, inspections, work and supervision generally require an assessment of the site and local technical constraints.
No site work should be confirmed before technical and operational scoping.
Remote information does not replace a visit when the site, existing conditions or dimensions need to be verified.
View areas and delivery modesOur approach applied to civil engineering
Understand the programme, use, site, documents, constraints and expected results.
Assess existing conditions, feasibility, required studies, permissions, risks and expected document level.
Present studies, drawings, estimates, work, responsibilities, validations, timing and conditions.
Organise interventions, meetings, checks, decisions, reports and accepted changes.
Provide documents, organise acceptance, address included reservations and prepare agreed follow-up.
Who is the service for?
The client profile does not confirm feasibility or acceptance of an assignment.
Clarify obligations before starting
Depending on the project, permissions, approvals, studies, land documents, owner consent or input from authorised professionals may be required.
COREVIA should not be presented as an administrative authority or as guaranteeing that permission will be obtained.
Start conditions
Mobilisation may be postponed when an essential condition is missing or a risk prevents a sufficiently reliable or safe intervention.
The exact list depends on the project and accepted scope.
Observe and document progress
Periodic supervision does not mean permanent presence on site or universal responsibility for all work.
Review according to service and assignment level
Review versions, titles, assumptions, references, approvals and required documents.
Compare selected measurements or quantities with reference documents when included.
Observe apparent condition, visible workmanship, finishes or accessible issues within the planned inspection.
Review references, quantities, certificates or documents required by the scope when available.
Record reservations, review agreed corrections and organise handover according to the assignment.
The exact controls, methods and frequency should be defined according to the project.
Close the main assignment
Acceptance does not automatically remove every future obligation. Warranties, maintenance and follow-up depend on applicable contracts and responsibilities.
Assessment and development of existing assets
An existing building may have undergone alterations, deterioration, water ingress, cracking, changes of use or undocumented work.
A photograph, visible crack or description alone cannot establish the cause, stability or safety of a structure.
When immediate danger is suspected, priority should be given to limiting exposure, restricting access where necessary and seeking a competent local assessment. This page provides no improvised repair procedure.
Transform without ignoring existing conditions
Uses, documents, changes, defects, retained elements, new needs and permissions should be assessed together.
Any structural modification requires professional assessment of the actual case.
Essential conditions
Visitors should not be invited to demolish, drill, cut, strengthen, shore, excavate, alter a structure or enter an unstable area based on information on this page.
This page presents needs and services that may be assessed by COREVIA International. It does not constitute a drawing, structural study, permission, contractual quantity assessment, final quotation, stability guarantee or confirmation of construction work.
Frequently asked questions
Useful information includes the location, intended use, available dimensions, drawings, photographs, existing condition, schedule, indicative budget, stakeholders and known constraints.
It is not always required for the initial discussion. It generally becomes necessary when dimensions, access, existing conditions, visible defects or delivery conditions need to be verified.
Graphic documents may be included according to the scope. Their level, purpose, assumptions and conditions of use should be clearly identified in the proposal.
A sketch or conceptual drawing is used to explain an idea or general organisation. An execution document has a different level of detail, verification and responsibility and should be explicitly identified as such.
A reliable estimate depends on the level of documents, quantities, materials, location, resources, permissions and schedule. An initial range may require several clearly stated assumptions.
Yes. A change in drawings, quantities, materials, finishing level, schedule, site or conditions may change the estimate. Any significant change should be assessed before execution.
Responsibilities relating to permissions should be clarified during scoping. COREVIA should not be considered responsible for a permission that is not explicitly included in the scope.
A photograph may help prepare the discussion, but it does not always identify the cause, extent or risk. An inspection and additional studies may be required.
A rehabilitation need may be assessed. The review should consider the condition of the existing asset, future use, previous changes, available documents and site constraints.
An extension may be assessed. Interactions with the existing structure, new uses, loads, access, permissions and required work should be reviewed before confirmation.
Supply may be included only when specified in the proposal. Characteristics, quantities, availability, prices, transport and handover conditions should be confirmed.
Supervision may be proposed within a scope specifying visit frequency, reference documents, controls, reports and responsibilities. It does not automatically mean permanent site presence.
They depend on the project, documents, work, level of assignment and responsibilities. They may be documentary, dimensional, visual, material-related or linked to acceptance.
The schedule depends on studies, approval, permissions, resources, supply, work, site conditions and changes. It should be confirmed in the proposal.
Each request is assessed according to the service, location, accessibility, resources and delivery conditions. COREVIA’s presence in Mbankomo does not constitute automatic coverage of another area.
Prepare the location, nature of the project, intended use, available photographs, drawings or measurements, schedule, indicative budget and main constraints, then submit a quotation request.