Castonguay Blasting handles challenging drill and blast projects in quarrying, open pit mining, construction work and in other applications, using its 40 years of industry experience to work closely with quarry operators These include Graymont’s Marbleton limestone quarry, Quebec, which supplies the company’s lime plant nearby.
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WhatsAppGet PriceGet A QuoteBlasting contractors should lay out the drill pattern based on a surveyed profile of the face. At a minimum, a profile survey should be done after drilling and before loading so that the proper explosive load can be determined for each blast hole based on the survey and drill log. A best practice would be to profile both before and after drilling.
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