If there's no crush, everything stops

Date: 
Saturday, October 01, 2011

Blaster Shawn Szostak and helper Rob Buchanan, members of Operating Engineers Local 115, set off a couple of explosions a week at Mainland Sand and Gravel's Cox Quarry on Sumas Mountain just to keep up with demand.

The company supplies crushed granite for roadbuilding and rail projects in Metro Vancouver.

This blast required 8 tons of ammonium nitrate explosive in 54 holes to crush 40,000 tonnes of granite. "If there' s no crush, everything stops," says Szostak.

Click the image below to see how they do it (Photostory by: Leslie Dyson)

1. Last check of the detonator lines and delays

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