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I have one coming up this week it is about 550CY of rock to brake and remove. I just bought a rock drill attachment and a 290CFM compressor for my mini excavtor to do all the drilling. It schould be in and mounted by wensday
I have used Dexpan before with great results did a job in Englewood Cliffs, NJ a 800SF addition with a 3' crawl space to run all the meachanicals threw. 6" below grade it was all soild rock. drill it a nd fill it with Dexpan broke it right up. Here is a link to there site http://www.archerusa.com/Produ.....n_En1.html
my job pictures are about 3/4 the way down under Land Clearing & Rock Braking, United States 2005
Boy, I forgot about this.
His results were very good.
What he was removing was some old stairs (poured solid) and a short foundation wall. He rented a jack hammer and was beating on it for 2 days with no results. The area were it was way to tight for even a smallest excavator. So used Dexpen, although he couldn't drill as deep as he wanted too. But after a couple of tries he was able to get the the stairs and foundation wall down. He told me he wishes he would have used it in the first place.
I have heard the same about BriStar. That is why I wanted to know if someone had used Dexpan before. It's actually more for a neighnor than anyting. He just bought some so I will let you know the results.
No, but I have used BriStar with limited results. Its been about 9 or ten years so maybe the formulas are better. BriStar seem to be very temperature sensitive.
Or maybe I didn't know what I was doing, that's always a possibility. 
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