3 A change to a safety At least 28 days critical element of before the date the existing rolling stock. operator intends to bring the change into operation. 4 A change to one or At least 28 days more of the classes of before the date the rail infrastructure used operator intends to in the operator's introduce the new railway operations. class of rail infrastructure into service. 5 A change to a safety At least 28 days standard for the before the date the design of rail operator intends to infrastructure or adopt the change. rolling stock. 6 The decision to adopt At 28 days a new safety standard before the date the for the design of rail operator intends to infrastructure or adopt the new rolling stock. standard. 7 A change to the At least 28 days frequency of, or before the date the procedures for, the operator intends to inspection or bring the change maintenance of into effect. railway infrastructure or rolling stock.
3 A change to a safety critical element of existing rolling stock. At least 28 days before the date the operator intends to bring the change into operation. 4 A change to one or more of the classes of rail infrastructure used in the operator's railway operations. At least 28 days before the date the operator intends to introduce the new class of rail infrastructure into service. 5 A change to a safety standard for the design of rail infrastructure or rolling stock. At least 28 days before the date the operator intends to adopt the change. 6 The decision to adopt a new safety standard for the design of rail infrastructure or rolling stock. At 28 days before the date the operator intends to adopt the new standard. 7 A change to the frequency of, or procedures for, the inspection or maintenance of railway infrastructure or rolling stock. At least 28 days before the date the operator intends to bring the change into effect.
18-103sr001.docx