Telescopic ladder system for a vehicle, and safety system and method for securing an operator atop a vehicle or van

A method for securing an operator atop one of a vehicle and a van, the method comprising:

• positioning an operating vehicle in a vicinity of the one of the vehicle and the van, the operating vehicle comprising a telescopic ladder system configured to be used by the operator to climb atop the one of the vehicle and the van;
• extending a ladder of the telescopic ladder system approximately to a height of a top of the one of the vehicle and the van at a first longitudinal end of the one of the vehicle and the van;
• supporting a distal end of the ladder on a top surface of the one of the vehicle and the van at the first longitudinal end thereof to allow the operator to climb atop the one of the vehicle and the van;
• attaching at least one safety line to the ladder;
• attaching the at least one safety line to a second longitudinal end of the one of the vehicle and the van;
• tightening the at least one safety line by moving the ladder relative to the operating vehicle;
• and
• attaching a security harness configured to be worn by the operator to the at least one safety line.