Answer:
When a train is to enter the Emergency Special Working (ESW) section, you must tell the driver the following:
1. The location of the ESW section: You must inform the driver of the location of the ESW section and ensure that they understand the limits of the section
2. The signals that the driver is authorized to pass: You must inform the driver of the signals that they are authorized to pass under ESW and ensure that they understand the limits of their authority
3. The speed restrictions that apply: You must inform the driver of any speed restrictions that apply within the ESW section and ensure that they understand the limits of their speed
4. The conditions under which the ESW authority will be terminated: You must inform the driver of the conditions under which the ESW authority will be terminated, such as reaching the end of the ESW section or receiving further instructions from the signaller
5. Any other relevant information: You must provide any other relevant information to the driver, such as the location of any work sites or other hazards within the ESW section
These are the things that you must tell the driver when a train is to enter the ESW section.