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  • Users: Boise
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  1. Boise

    Rock excavation

    Hi miningman When I stated I could “beat miningmans price” that was not intended as a jab against you (or your qualifications) but was intended as a fun spirited poke at all the drillers and blasters on the forum whom wanted to competitively bid on 8705’s project. I hope you did not take it...
  2. Boise

    Rock excavation

    Correct, thats drill and blast only
  3. Boise

    Rock excavation

    if it is open blasting,no blasting mats,no pre-blast survey,no vibration issues, just drill load and shoot then I will beat miningmans price. I just finished 80,000 cu/y for around $6.00 per/cu/yd. I just bid on a job of 400,000 cu/yds and it went for under $5.00 per/cu/yd. Mind you, these are...
  4. Boise

    Rock blasting vs. rock excavation

    As cvg mentioned there will be "overdrill' or "subdrill" and often excess "overbreak". Also don't forget that 5,000 "bank cu/yd" will swell after blasting. The swell factor depends on the type of rock, but I have seem as much as 25-30% in some granite. Often contractor will try for "extras"...
  5. Boise

    Mass Rock Excavation

    Dozerman...I just completed 125,000 cu/yds and we did the utility trenches along with the mass. They kept on changing the trench locations so I took out the trenches as a " trench corridor". Just went deeper throughout the width of the roadway where the trenches would go and I got paid the...
  6. Boise

    Mass Rock Excavation

    The price will depend on alot of things. Depth of cuts, open or covered blasts,geology....etc... The cheapest isn't always the best way to go. If your getting more than one price compare drill patterns and explosive selection and contractor references. $10 to drill blast and place 18 inch...
  7. Boise

    Crushed glass

    Has anyone ever used crushed glass as "suitable fill" for building sites.
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