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Aerial runway code

(Published Jan 2018 replacing version Jul 2011)

Introduction

This code is guidance for those wishing to construct and operate aerial runways within Scouting. If you choose to use equipment or techniques other than those in this document they should be of the same or higher standard. Aerial runways may only be used by members of The Scout Association or Girlguiding. If an aerial runway is to be included as an attraction at a fundraising event it must be used for purposes of demonstration only, by fully-trained members of The Scout Association under adult supervision. On no account may an aerial runway be made available for use by members of the general public. When not in use, the runway must be immobilised as above and must remain under constant adult supervision.

What is an aerial runway?

An aerial runway is a rope slide that stretches between two fixed points, and is angled sufficiently to enable a pulley block to slide down its length using gravity as its only source of propulsion. An aerial runway does not use metal cable as this is then defined as a zip wire and falls within the high ropes rules.

Where to position an aerial runway

The location and position of the runway will help with its operation and also ensure that the group enjoy using it. Natural features like trees and the slope of the ground will determine the length of run and the speed of descent. However the height and angle of the slope should allow for a safe and steady descent.
The illustration below shows a typical construction.
 


Supervision

The planning, construction and use of an aerial runway should be directed and constantly supervised by a responsible and competent adult member. Testing the system is a responsibility of the person in charge of the activity. They must also ensure that all equipment is checked prior to and regularly during sue to ensure that it is fit for purpose.

Equipment

The following equipment will be required to construct an aerial runway:
All equipment must be used, stored and maintained using the guidance provided by the manufacturer. It is good practice to keep a written log relating to the use of the equipment, this should include: date of purchase, usage, inspections carried out and maintenance, along with method of disposal for time-expired or damaged equipment.

Construction

The main rope can be run between two trees or between two tripods (as outlined earlier in this guidance). If using trees they should be checked to ensure that they are suitably sturdy for the proposed purpose.

If working at height in the construction of the runway appropriate precautions must be taken to limit risk.

Sheer legs can be used to take full advantage of the angle of the slope as outlined below, making sure that it is secured by the feet of the two legs being buried to a minimum depth of 150mm.

A tripod system can also be used as they can give greater stability when guylines are applied.

Tensioning the main rope is a major part of the construction and ongoing maintenance of an aerial runway as the rope will inevitably slacken as it is used and this needs to be monitored and tightened at regular intervals. It is recommended that to tension the system a luff tackle made up of one single block attached to an anchor and one double block attached to the main rope is used. Once appropriate tension is achieved then the system needs to be secured using a round turn and two half hitches to the anchor point.

There are a variety of different types of anchorage systems that can be used, a few are pictured below but should be fully researched and a decision made based on the appropriateness for the system being used.

3-2-1 anchor


Log and picket anchor   


Dead-man anchor
                       

It is really important to have a robust braking system on the runway, allowing the passenger to come to a stop gently. The main brake must bring the travelling block to a steady stop, no system which brings an immediate stop is suitable. A suggested system is pictured.


An emergency brake is also required allowing manual braking if the main brake fails, preventing any collision with the end of the system.

All braking systems must be tested before the system is used.

Testing

Before the system is used it should be fully tested, putting the system under higher strain that that of the passengers using the system. Tests must be under the supervision of a competent adult and with plenty of spotters throughout the system to identify any issues and report back to the person in charge.

 

CEOP
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