In order to work for Manchester Triathlon Club you need appropriate insurance. Coaching Insurance can usually be taken out with the relevant governing body (e.g. through British Triathlon membership) however be sure to check the details of the policy to make sure you will be suitably covered. Sport Coach UK offers a comprehensive insurance policy suitable for professional coaches. For more information visit www.sportscoachuk.org.
It is the coaches responsibility as a self employed coach to ensure they have appropriate coaching qualifications in place.