{"id":"F2006L01451","name":"Vehicle Standard (Australian Design Rule 59/00 - Omnibus Rollover Strength) 2006","slug":"vehicle-standard-australian-design-rule-59-00-omnibus-rollover-strength-2006","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":436428,"registerId":"commonwealth-F2006L01451-current","compilationNumber":null,"startDate":"2026-04-12","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Figure 1","sectionType":"part","heading":"Figure 1","content":"## Figure 1\n\n![](image.004.png)\n\n\nANNEX 4\n\nROLL-OVER TEST ON A BODY SECTION\n\n\n\n1.      TEST CONDITIONS\n\n1.1     The body section shall represent a section of the unladen vehicle.\n\n1.2     The geometry of the body section, the axis of rotation and the position of the centre of gravity in the same vertical and lateral directions shall be representative of the complete vehicle.\n\n1.3    The mass of the body section, expressed as a percentage of the unladen kerb mass of the vehicle, shall be specified by the manufacturer.\n\n1.4    The energy to be absorbed by the body section, expressed as a percentage of the total energy which would be absorbed by a complete vehicle, shall be specified by the manufacturer.\n\n1.5    The percentage of total energy described in paragraph 1.4 shall not be less than the percentage of total kerb mass described in paragraph 1.3.\n\n1.6    The test conditions specified in paragraph 1.6 of annex 3 and in paragraphs 2.1 to 2.6 of annex 5 shall apply.\n\n\n\n2.     TEST PROCEDURE\n\n2.1    The test procedures shall be the same as the procedure described in annex 3, except that the body section described above shall be used instead of a complete vehicle.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":3620},"content_quality":"ok","complexity_score":6,"scope_assessment":{"changed":false,"description":"This annex is consistent with the original purpose of ADR 59/00, which establishes rollover strength requirements for omnibuses. The provision for body section testing represents an alternative compliance methodology within the existing safety framework, not an expansion beyond the standard's original intent."},"complexity_factors":["Technical engineering terminology requiring specialized knowledge (e.g., 'centre of gravity', 'unladen kerb mass', 'axis of rotation')","Mathematical ratio constraints requiring the energy absorption percentage to equal or exceed the mass percentage","External cross-references to Annex 3 and Annex 5 for complete test conditions and procedures","Manufacturer-specified variables (mass and energy percentages) subject to minimum threshold constraints","Geometric and physical representation requirements (vertical and lateral positioning)"],"plain_english_summary":"This rule lets manufacturers test a representative bus body section instead of the whole omnibus to verify rollover strength, provided the section matches a chosen share of vehicle mass and absorbs at least the same share of crash energy. The same rollover procedure applies as for full-vehicle tests.\n\nIt affects bus manufacturers, importers and testing labs in Australia by lowering test cost while preserving safety."}},"importantCases":[],"_links":{"self":"/api/acts/vehicle-standard-australian-design-rule-59-00-omnibus-rollover-strength-2006","history":"/api/acts/vehicle-standard-australian-design-rule-59-00-omnibus-rollover-strength-2006/history","analysis":"/api/acts/vehicle-standard-australian-design-rule-59-00-omnibus-rollover-strength-2006/analysis","conflicts":"/api/acts/vehicle-standard-australian-design-rule-59-00-omnibus-rollover-strength-2006/conflicts","importantCases":"/api/acts/vehicle-standard-australian-design-rule-59-00-omnibus-rollover-strength-2006/important-cases","documents":"/api/acts/vehicle-standard-australian-design-rule-59-00-omnibus-rollover-strength-2006/documents"}}