Page 35 - Haddonstone
P. 35
35
• Any company undertaking cleaning • Information on protective measures
processes must complete a full risk contained within this manual is given
assessment in accordance with only as a guide and should not be
Regulation 3 of the Management and assumed to meet all requirements
Safety at Work Regulations and comply indicated above.
with the control measures necessary to
fulfil their statutory obligations.
7.3 Repair Work
In many cases it is possible to repair chips etc., but the recommended techniques vary
from manufacturer to manufacturer and their advice should be sought. It should be noted
that repair work is normally carried out with mixes very similar to those used in the original
product and will therefore take time to weather to the colour of the item.
7.4 Weathering
Research commissioned by UKCSA and carried out by the Concrete Technology Unit of
University of Dundee on semi-dry cast stone, confirmed that the material weathered in a
similar way to original natural stone control samples when both were exposed to identical
atmospheric conditions.