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Tree climbing

What you need to know

The Work at Height Regulations 2005 do not ban climbing work but for all tree work involving work at height employers have a duty to plan the work and select appropriate work equipment make it as safe as possible.

The Regulations say that climbing work with a personal fall protection system - ropes and harness - can only be done if:

What you need to do

The main climbing techniques in tree work are either:

In the tree, where possible, the system should be securely attached to two load-bearing anchor points. Each anchor point should be strong enough to support the climber, work equipment and any foreseeable loading.

Work positioning systems should only be used if there is a suitable backup system for preventing or arresting a fall. If the backup system includes a second line, the user must be connected to it. If it is not reasonably practicable to have a backup system, you need to make sure that the work positioning system doesn't fail – for example by:

Rope access and positioning should only be used if there are at least two separately anchored lines - one the working line and the other a safety line. The user must be connected to both lines using a suitable harness. The working line should be equipped with a safe means of ascent and descent and have a self-locking design to prevent the user falling if they lose control. The safety line must be equipped with a mobile fall protection system connected to, and travelling with, the user of the system.

In rope access and positioning a single rope can be used if a risk assessment has shown that the use of a second line would entail higher risk, and appropriate measures have been taken to ensure safety.

HSE recognises that arboricultural techniques and tree form and species will mean that it is not always reasonably practicable to have either two climbing lines or to be attached to the tree by two separate systems. We have worked with the industry in revising the Guide to good climbing practice. This builds on the previous good practice and provides greater detail in a number of key areas, for example:

Find out more

For further information on aerial tree work see also the following pages

You can also find out about appropriate techniques for common tree work tasks in HSE's research documents:

2016-02-18