The National Federation of Roofing Contractors (NFRC) in the United Kingdom announced on 1st October 2012 that contractors will no longer have the option of using a cut-off saw to dry cut valley tiles. In order to reduce risks from silica dust the industry is specifying that water suppression should be used where a cut-off saw is being used. It is life threatening and must be addressed. Dust has become far more than just a nuisance. It is a very serious issue and the statistics highlight the importance for contractors to capture dust at source and prevent dust getting airborne before it is too late. In fact, silica is now the largest cause of occupational lung cancer after asbestos and construction workers and those working in the construction industry have 2-3 times greater risk of contracting COPD (Chronic Regularly breathing in this dust can cause serious lung disease such as silicosis and lung cancer. It is often then made airborne by simple tasks such as sweeping or pouring of powders and liquids. The silica is broken into very fine dust (Respirable Crystalline Silica or RCS) during common tasks such as cutting or grinding concrete, chasing out mortar or drilling in enclosed spaces. Silica is a natural mineral present in large amounts in many solid materials. An industrial vacuum controlling dust during pouring.
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