As we are coming to the end of PASMA Tower Safety Week we thought we’d finish with the five most common problems when assembling a mobile access tower.
1: Vertical alignment
Towers should be checked to ensure they remain vertical. A tower which is not vertically aligned is likely to be unstable.
The likelihood of overturning of towers as a result of instability is most often a combination of factors. Being out of level is a common contributory factor.
Take care to maintain the vertical alignment of the tower and DO NOT use a tower that is not level.
2: Structural Overload
Whilst it is an uncommon occurrence, tower structures can collapse. Investigation shows that this is almost invariably as a result of incorrect assembly, using damaged components or overloading the tower structure.
DO NOT exceed the manufactures stated maximum load, either on individual platforms or on the whole tower structure. Always refer to the manufactures instruction manual for the Safe Working Load.
3: Incorrect Assembly
When assembling and dismantling towers, always follow the sequence explained in the Manufactures instruction manual. Use only the correct components in the right place, follow the recommended bracing pattern. It is important that this advice is followed, as this gives the tower structure strength.
4: Improper use of guardrails
Statistic show that falls from height are historically amongst the highest causes of fatalities and serious injuries reported each year.
Guardrails are designed to prevent falls from platforms. With the main guardrail set at about 950mm high, which is intended to be above the users centre of gravity, and the mid guardrail at approximately the mid point between this and the platform, so that there is no unprotected gap more than 470mm, it is difficult for anyone to fall if these are installed correctly.
5: Over – reaching
Users must avoid over-reaching, over-stretching or setting up ladders, steps or other devices to gain additional height. These have the effect of placing the operative above the fall prevention measures afforded by the guardrails.
Only use additional components to increase the platform height safely.
*please note that these are only five mistakes but not the extensive list. Other problems can occur such as the ground or overhead obstructions*
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