# Example 2: a clash Topic with a Comment.
# A ventilation duct (MEP model) crosses a steel beam (structural model) on level 2.
# The Topic carries the current values. The Comment refers to the Viewpoint that
# is described in 03-viewpoint.ttl. The project, users and extension schema are
# from 01-project.ttl.

@prefix bcfOWL:  <https://w3id.org/bcfOWL#> .
@prefix bot:     <https://w3id.org/bot#> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix schema:  <http://schema.org/> .
@prefix xsd:     <http://www.w3.org/2001/XMLSchema#> .
@prefix ex:      <https://example.org/bcfowl-example#> .

ex:topic1 a bcfOWL:Topic;
  bcfOWL:hasProject ex:project;
  dcterms:identifier "5a52cbe2-edd7-41d8-b610-fab29397cc74";
  dcterms:title "Duct D-204 clashes with beam B-117 on level 2";
  dcterms:description "The supply air duct passes through the flange of the steel beam. Clearance is negative by about 80 mm.";
  dcterms:creator ex:clash_detector;
  dcterms:created "2026-03-12T09:05:00Z"^^xsd:dateTime;
  bcfOWL:hasTopicType ex:type_clash;
  bcfOWL:hasTopicStatus ex:status_open;
  bcfOWL:hasPriority ex:priority_high;
  bcfOWL:hasStage ex:stage_detailed_design;
  bcfOWL:hasLabels ex:label_mep, ex:label_structure;
  bcfOWL:hasAssignedTo ex:mep_engineer;
  bcfOWL:hasDueDate "2026-03-27T00:00:00Z"^^xsd:dateTime;
  # The BCF reference_links field. More precise relations may be added next to it.
  bcfOWL:hasReferenceLink ex:duct_d204, ex:beam_b117;
  schema:about ex:duct_d204, ex:beam_b117.

ex:duct_d204 a bot:Element;
  dcterms:title "Supply air duct D-204".

ex:beam_b117 a bot:Element;
  dcterms:title "Steel beam B-117".

ex:comment1 a bcfOWL:Comment;
  bcfOWL:hasProject ex:project;
  bcfOWL:hasTopic ex:topic1;
  bcfOWL:hasViewpoint ex:viewpoint1;
  dcterms:identifier "1a37f501-a647-4092-afd7-c410bc84ae1d";
  dcterms:creator ex:structural_engineer;
  dcterms:created "2026-03-12T10:20:00Z"^^xsd:dateTime;
  bcfOWL:hasCommentText "The beam size is fixed by the load calculation. Please reroute the duct below the beam.".