13
periods boost charge the battery once per year to prevent over
discharge.
The following information applies to professional users only but is
good practice for all users:
ADDITIONAL SAFETY WARNING FOR CONSTRUCTION DUST
The updated Control of Substances Hazardous to Health
Regulations 1st October 2012 now also targets to reduce the
risks associated with silica, wood and gypsumdusts. Construction
workers are one of the at-risk groups within this because of the
dust that they breathe: silica dust is not just a nuisance; it is a real
risk to your lungs!
Silica is a natural mineral present in large amounts in things like
sand, sandstone and granite. It is also commonly found in many
construction materials such as concrete and mortar. The silica is
broken into very ne dust (also known as Respirable Crystalline
Silica or RCS) during many common tasks such as cutting, drilling
and grinding. Breathing in very ne particles of crystalline silica
can lead to the development of: Lung cancer Silicosis Chronic
Obstructive Pulmonary Disorder/Chronic obstructive pulmonary
disease (COPD) And breathing in ne particles of wood dust can
lead to the development of Asthma. The risk of lung disease is
linked to people who regularly breathe construction dust over a
period of time, not on the odd occasion.
To protect the lung, the COSHH Regulations sets a limit on the
amount of these dusts that you can breathe (called a Workplace
Exposure Limit or WEL) when averaged over a normal working
day. These limits are not a large amount of dust: when compared
to a penny it is tiny – like a small pinch of salt: This limit is the legal
maximum; the most you can breathe after the right controls have
been used.
HOW TO REDUCE THE AMOUNT OF DUST?
1. Reduce the amount of cutting by using the best sizes of building
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