W.J. & H. C
ROZIER
QUARRY OWNERS AND
CIVIL ENGINEERING CONTRACTORS
An aerial view of Outlack Quarry taken May 2001
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QUARRY OWNERS AND CIVIL ENGINEERING CONTRACTORS
An aerial view of Outlack Quarry taken May 2001
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All of our aggregate is from the company's own quarry with the exception of sand, and is produced under the appropriate Factory Production Control scheme. Firstly the Quarry manager will asses the stockpiles and identify potential faces for blasting. Blasting usually takes place on a monthly basis. A quarry profile is drawn up along with a drilling plan. Drilling then starts. Once drilling has been completed a blasting contractor will pump explosive material into these holes and set off an electric charge to detonate the explosion. On completion of all blasting activities, the rock is transported to the crushing and separating plant in dump trucks. It is then passed through the primary, secondary and tertiary crushers over a series of conveyor belts as required, screened and stored in appropriate storage bins. Lorries can fill from these bins or when these bins are full, the aggregate is transported by dump truck to their relevant stock pile situated around the quarry premises and ready for distribution. These stockpiles are inspected on a daily basis to make sure they are not contaminated or mixed with other aggregates. Aggregates stored for a prolonged period of time will be subject to testing to determine aggregate compliance. |
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Send mail to
gareth@crozier.ie with
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