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Extension ladders usually have two sections that operate in brackets or guides that allow for the ladder to be used at adjustable lengths. Extension ladders are not self-supporting and require a stable structure that can withstand the intended load.
Note: When working 3 metres (10 feet) or more above ground, wear a safety belt or harness with the lanyard tied appropriately to the structure. Make sure that you follow working at heights training that includes how to use fall protection devices safely.
When setting up an extension ladder, use the following method to avoid straining muscles or losing control of a ladder. With ladders weighing more than 25 kg (55 lb), or where conditions complicate the task, have two persons set up a ladder, step by step, as follows:
One person can erect a short ladder, step by step as follows:
The method for lowering any ladder is the reverse procedure of erecting it.
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Although every effort is made to ensure the accuracy, currency and completeness of the information, CCOHS does not guarantee, warrant, represent or undertake that the information provided is correct, accurate or current. CCOHS is not liable for any loss, claim, or demand arising directly or indirectly from any use or reliance upon the information.