{"requirement_id":"JDDG25-14.12.2-R01","source":{"document":"Japan District Design Guide","version":"9.0","publication_date":"2025-04","chapter":"14","section":"14.12.2","title":"GROUNDING","page_printed":275,"page_pdf":305,"fact":"For sensitive electronics testing, maintenance, communications, or data-processing applications, MIL HDBK 419A, ANSI/TIA-607, and IEEE 1100 should be used as reference and design criteria.","modality":"should","strength":"recommended"},"localization_ja":{"language":"ja","title_ja":"接地","title_status":"controlled_editorial","fact_ja":null,"fact_translation_status":"pending","modality_rendering_ja":"～することが望ましい／～を推奨する","strength_label_ja":"推奨","translation_priority":"medium","translation_notes":[],"title_translation_provenance":"editorial_controlled","fact_translation_provenance":"not_translated","publication_eligible":false},"references":["MIL HDBK 419A","ANSI/TIA-607","IEEE 1100"],"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":"general","evaluation_mode":"default_applicable","evaluation_scope":"project","input_semantics":"none","source_condition_text":null,"trigger":null,"approval_gate":null,"exception_condition":null,"condition_provenance":"none","normalization_provenance":"none"},"lifecycle":{"primary_phase":"design","primary_phase_label":"Design","applicable_phases":["design","commissioning","operations_maintenance"],"phase_links":[{"phase":"design","provenance":"source_explicit","basis":"Normalized from verification stage `design`.","phase_label":"Design"},{"phase":"commissioning","provenance":"source_explicit","basis":"Normalized from verification stage `commissioning`.","phase_label":"Testing / Commissioning / Acceptance"},{"phase":"operations_maintenance","provenance":"source_explicit","basis":"Source explicitly addresses maintenance, replacement, periodic access, or later modification.","phase_label":"Operations / Maintenance / Modification"}]},"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."},{"actor_id":"ACT-WORKFLOW-VERIFICATION-PARTY","actor_name":"Verification / Testing Party (Workflow Placeholder)","actor_class":"workflow_placeholder","source_named":false,"relation_type":"workflow_owner","provenance":"editorial_derived","lifecycle_phase":"commissioning","lifecycle_phase_label":"Testing / Commissioning / Acceptance","basis":"Workflow owner assigned from lifecycle phase for checklist routing; not a contractual responsibility statement."},{"actor_id":"ACT-WORKFLOW-OM-PARTY","actor_name":"Operations / Maintenance Party (Workflow Placeholder)","actor_class":"workflow_placeholder","source_named":false,"relation_type":"workflow_owner","provenance":"editorial_derived","lifecycle_phase":"operations_maintenance","lifecycle_phase_label":"Operations / Maintenance / Modification","basis":"Workflow owner assigned from lifecycle phase for checklist routing; not a contractual responsibility statement."}]},"verification":{"method":"test_record_review","stage":["commissioning","design","operations_maintenance"],"acceptance_criteria":null,"evidence_required":["test_report"],"verification_provenance":"source_explicit","evidence_provenance":"source_explicit_or_directly_named","audit_status":"source_explicit_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":[{"source_reference_text":"MIL HDBK 419A","reference_id":"EXT-MIL-HDBK-419A","scope":"external","reference_type":"military_handbook","document_number":"MIL HDBK 419A","locator":null,"dependency_type":"supporting_or_compliance_reference","title":"Military Handbook Grounding, Bonding and Shielding for Electronic Equipment and Facilities","chapter_criteria_listed":true,"quality_flags":[],"external_content_status":"not_ingested"},{"source_reference_text":"ANSI/TIA-607","reference_id":"EXT-ANSI-TIA-607","scope":"external","reference_type":"telecommunications_standard","document_number":"ANSI/TIA-607","locator":null,"dependency_type":"supporting_or_compliance_reference","title":null,"chapter_criteria_listed":false,"quality_flags":[],"external_content_status":"not_ingested"},{"source_reference_text":"IEEE 1100","reference_id":"EXT-IEEE-1100","scope":"external","reference_type":"standard","document_number":"IEEE 1100","locator":null,"dependency_type":"supporting_or_compliance_reference","title":"Powering and Grounding Sensitive Electronic Equipment (Emerald Book)","chapter_criteria_listed":false,"quality_flags":["possible_source_reference_number_inconsistency"],"external_content_status":"not_ingested"}]}