{"requirement_id":"JDDG25-14.12.2.2-R09","source":{"document":"Japan District Design Guide","version":"9.0","publication_date":"2025-04","chapter":"14","section":"14.12.2.2","title":"TRANSFORMER GROUNDING","page_printed":276,"page_pdf":306,"fact":"If resistance grounding or other neutral-grounding methods are used, supporting data and reasoning are to be provided in the Design Analysis.","modality":"imperative","strength":"conditional_mandatory"},"localization_ja":{"language":"ja","title_ja":"変圧器接地","title_status":"controlled_editorial","fact_ja":null,"fact_translation_status":"pending","modality_rendering_ja":"条件を満たす場合は～すること","strength_label_ja":"条件付き必須","translation_priority":"high","translation_notes":[],"title_translation_provenance":"editorial_controlled","fact_translation_provenance":"not_translated","publication_eligible":false},"references":[],"meaning":{"engineering_basis":null,"engineering_basis_source":null,"engineering_interpretation":null,"interpretation_confidence":null},"risk":{"failure_modes":[],"failure_mode_source":"not_stated","failure_domains":[]},"quality":{"source_status":"normal","data_quality_flag":"normal"},"applicability":{"applicability_class":"conditional_machine","evaluation_mode":"machine","evaluation_scope":"project","input_semantics":"direct_project_fact","source_condition_text":"resistance grounding or other neutral-grounding methods are used","trigger":{"field":"electrical.resistance_or_other_neutral_grounding_used","op":"is_true"},"approval_gate":null,"exception_condition":null,"condition_provenance":"source_explicit","normalization_provenance":"editorial_normalization"},"lifecycle":{"primary_phase":"design","primary_phase_label":"Design","applicable_phases":["design"],"phase_links":[{"phase":"design","provenance":"source_explicit","basis":"Source explicitly assigns a designer/design-document action.","phase_label":"Design"}]},"responsibility":{"primary_workflow_owner":"ACT-DESIGNER-AE","primary_workflow_owner_name":"Designer / A-E","actor_assignment_status":"workflow_only","actors":[{"actor_id":"ACT-DESIGNER-AE","actor_name":"Designer / A-E","actor_class":"project_delivery","source_named":true,"relation_type":"workflow_owner","provenance":"editorial_derived","lifecycle_phase":"design","lifecycle_phase_label":"Design","basis":"Workflow owner assigned from lifecycle phase for checklist routing; not a contractual responsibility statement."}]},"verification":{"method":"design_analysis_review","stage":["design"],"acceptance_criteria":null,"evidence_required":["grounding_method_justification"],"verification_provenance":"source_implied","evidence_provenance":"source_implied","audit_status":"source_implied_verification","audit_confidence":"high","acceptance_provenance":"not_stated_in_jddg","evidence_type_ids":["EV-DESIGN-ANALYSIS-FINAL","EV-LIGHTNING-GROUNDING-PLAN","EV-FINAL-DRAWINGS"],"supporting_source_requirements":["JDDG25-14.8.4.3-R01","JDDG25-14.8.3.1-R05","JDDG25-14.8.4.1-R01","JDDG25-14.8.4.1-R03"],"source_support_scope":"design_submittal_or_analysis"},"resolved_evidence":[{"evidence_type_id":"EV-DESIGN-ANALYSIS-FINAL","name":"Final Design Analysis compliance verification","source_requirement_ids":["JDDG25-14.8.4.3-R01"],"stage":["final_design"],"source_scope":"Final Design Analysis should support and verify design compliance with project requirements."},{"evidence_type_id":"EV-LIGHTNING-GROUNDING-PLAN","name":"Lightning-protection and grounding plan","source_requirement_ids":["JDDG25-14.8.3.1-R05"],"stage":["intermediate_design"],"source_scope":"Plans show grounding rods, conductors, air terminals, sizes, dimensions, and material types."},{"evidence_type_id":"EV-FINAL-DRAWINGS","name":"Final contract drawings and details","source_requirement_ids":["JDDG25-14.8.4.1-R01","JDDG25-14.8.4.1-R03"],"stage":["final_design"],"source_scope":"Final drawings contain required details and are checked for discrepancies and interdisciplinary compatibility."}],"supporting_source_requirements":[{"requirement_id":"JDDG25-14.8.4.3-R01","section":"14.8.4.3","title":"DESIGN ANALYSIS","fact":"Final design analysis should support and verify that the design complies with project requirements."},{"requirement_id":"JDDG25-14.8.3.1-R05","section":"14.8.3.1","title":"DRAWINGS","fact":"Intermediate design is to include lightning-protection and grounding plans showing rods, conductors, air terminals, sizes, dimensions, and material types."},{"requirement_id":"JDDG25-14.8.4.1-R01","section":"14.8.4.1","title":"DRAWINGS","fact":"Final drawings should contain all details required for the final package."},{"requirement_id":"JDDG25-14.8.4.1-R03","section":"14.8.4.1","title":"DRAWINGS","fact":"Final drawings are to be checked for discrepancies and compatibility with specifications and other disciplines."}],"references_resolved":[]}