Скачать или смотреть Trenching through very hard rock in The Basin

Another small trench blasting job, this time it is in the suburb of "The Basin" at the foot hills of the Dandenong Ranges - home of the hardest rock in Melbourne.

The Rock is called Rhyodacite, and before somebody says "why don't you just use a breaker on it", believe me there is a very good reason why you don't bother trying this - because you will fail and your nice new point on the big breaker will resemble an old lipstick in only a few hours!

Yeah, I did mention "if only we had a breaker" about 20 seconds into the video - this is only to move the shattered rock that is a bit too tight when you only have a digging bucket.

However the hardest rock is no match for Demolition Dave, armed with a rock drill and high explosives. The blasting works on this small subdivision quickly got the storm water trench project back on track with out any complaints and minimal delays.

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