← bridge ontologyBridge Asset › Ancillary and Safety System
Bridge Crash Barrier
bridge.ancillary_system.crash_barrierpublishedEdit
Definition
Bridge Crash Barrier installed as part of the bridge ancillary works.
- Class kind
- component
- Abstract
- no
- Depth
- 2
- Origin
- reference source
- Ontology
- engineering-reference-book.bridge v1.0.0
- Aliases
- Vehicle Restraint Barrier, Traffic Barrier, Concrete Barrier, Barrier
- Abbreviations
- —
- Last changed
- 7/27/2026, 2:50:05 PM
Identification
- Positive labels
- Bridge Crash Barrier, Vehicle Restraint Barrier, Traffic Barrier, Concrete Barrier, Barrier
- Negative labels
- —
- Visual features
- repeated edge or service element
- Min identity clues
- 2
Evidence
- Preferred views
- plan, elevation, cross_section, detail, schedule
- Evidence types
- view, detail, schedule, note, dimension, level, section_callout
- Source trace required
- yes
Measurements (4)
| Name | Symbol | Unit | Required |
|---|---|---|---|
| Length | L | m/mm | required |
| Height | H | m/mm | required |
| Instance Count | N | count | required |
| Material Type | MAT | — | required |
Relationships (1)
- attached_to
bridge.superstructure
BOQ items (1)
| Item code | Formula | Result | Unit |
|---|---|---|---|
bridge.ancillary.crash_barrier.quantity | L * N | length | m |
Validation
- Blocking if missing
- yes
- Human review allowed
- yes
no_evidence_no_numberretain_document_page_bbox_and_evidence_iddo_not_mix_drawing_revisionsdo_not_average_conflicting_valuesprefer_explicit_labels_over_shape_onlymatch_plan_elevation_and_section_when_applicable
Provenance
- Basis
- engineering_reference
- Project values included
- no
- regional_terminology
- no page list
Children (0)
None — this is a leaf class and can be deleted.