subject to paragraph 2, it involves a system comprising at least two separately anchored ropes, of which one (“the working rope”) is used as a means of access, egress and support and the other is the safety rope;

the worker is provided with and uses a suitable harness and is connected by it to the working rope and the safety rope;

the working rope is equipped with safe means of ascent and descent and has a self-locking system to prevent the worker falling should the worker lose control of his or her movements;

the safety rope is equipped with a mobile fall prevention system which is connected to and travels with the worker;

the tools and other accessories to be used by the worker are secured to the worker’s harness or seat or by some other suitable means; and

appropriate training in accordance with regulation 9, 10 or 11 of the Work Equipment Regulations, including training in rescue procedures, has been provided to the worker or workers concerned.