Free and open-source
EUPL-1.2 licensed, with no commercial interest behind the project.
Project principles
Your data stays yours
No account and no server, so each project is saved as a local file on your machine.
Runs in your browser
Nothing to install or maintain, just open the page and start working.
Draws no conclusions
No box ticking, and no statement on the safety or compliance of the machine.
Traceable and reusable
An entity is created once and related to the others, never repeated.
Engineering artefacts
Export the results, intended as input to whatever process you already have.
Planned functionality
01Building the product structure
The machine is decomposed into a hierarchical set of system elements. The whole life cycle is defined as system phases, with system tasks associated with every phase. The system actors, such as operators or technicians, are related to each of the tasks. Every entity carries the attributes needed to define the machine fully.
System Elementdecomposes intoSystem Element
02Scoping the applicable legislation
The directives and regulations that apply to the machinery are recorded. A machine may be subject only to the Machinery Regulation, or also to the Electromagnetic Compatibility Directive and others. The scoped legislation is then used to select the essential requirements that apply.
European LegislationdefinesEssential Requirement
03Identifying the single hazards
Considering the system elements, the single hazards are identified. Moving parts, live circuits, pressurised equipment, or ejected parts, each related to the system element that exhibits it.
System ElementexhibitsSingle Hazard
04Analysing the accident scenarios
A short circuit can lead to both fire and electric shock. One hazard can lead to several accident scenarios, and one accident scenario can arise from several hazards. Both are modelled through relationships, rather than rewritten for every scenario.
Single Hazardcontributes toAccident Scenario
05Selecting the essential requirements
Based on the identified hazards, the essential requirements in the applicable legislation are selected. Which requirements apply depends on the hazards the machinery exhibits.
Single HazardtriggersEssential Requirement
06Applying the harmonized standards
As part of the strategy for presumption of conformity, a harmonized standard is applied. The requirements in the standard satisfy the essential requirements in the corresponding legislation. Mapping a standard requirement to an essential requirement records the presumption of conformity.
Standard RequirementsatisfiesEssential Requirement
07Drafting the risk reduction measures
A risk reduction measure is described conceptually, covering one or several hazards or accident scenarios. The standard requirements are related to each measure, for traceability and to make full use of the standard. A measure may require a safety function, which is derived alongside it.
Risk Reduction MeasuremitigatesAccident Scenario
08Deriving the system requirements
Somewhere it needs to be stated how the machine shall be built. The system requirements are derived as shall-statements, each describing a function or quality the machine needs to fulfil. Each requirement is related to the verification activities that will show it has been met.
System Requirementderives fromRisk Reduction Measure
09Exporting the engineering artefacts
When the engineering work has been done, the artefacts can be exported. An artefact may be a requirement specification, a hazard list, or a list of essential requirements with their mapping to the standard requirements. These views are exported as the result of the work, ready to import into whatever process or tool the user has.
One shared model
A metamodel can be explained as a model of a model. Hardcoded into the tool, it defines which entities exist and how they may be related to one another. The relationships form chains that can be followed in either direction, from a system element down to a risk reduction measure, or from that measure back to the system element.
SE-001Packaging machine
decomposes into
SE-002Infeed conveyor
exhibits
HZ-014Rotating rollers
mitigated by
RRM-007Fixed guarding
