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Recent content by CanuckMiner

  1. CanuckMiner

    Best State in the Union

    Not sure about the U.S., but the Canadian engineering regulators are established to purportedly protect the interests of the public, not the engineers. Some jurisdictions have formed advocacy groups for engineers (e.g. Ontario has OSPE). Cheers, CanuckMiner
  2. CanuckMiner

    pleae help to find a book !!!

    You can buy it here. http://www.smenet.org/store/mining-books.cfm/SME-Mining-Engineering-Handbook_SET/100-177 Cheers, CanuckMiner
  3. CanuckMiner

    Settlement sensitive structures over mines

    piler10, Do the terms 'deep' and 'longwall' go together? If so, would you expect any settlement? You might try searching for the term 'subsidence' as one of your keywords. While not a longwall operation, I seem to recall hearing about subsidence in the town of Flin Flon, Manitoba (Canada)...
  4. CanuckMiner

    Why haven't I yet met my new boss?

    You mean Stanley hasn't stopped by with a "Dr. Livingston[e], I presume?" Sorry...couldn't resist. Cheers, CanuckMiner
  5. CanuckMiner

    Institute of Green Professionals

    I thought their mission statement was, "Hulk want to smash!" Cheers, CanuckMiner
  6. CanuckMiner

    sand/gravel pit - safety regs

    IF MSHA applies to sand and gravel operations, I'd look at 30 CFR 56 here http://www.msha.gov/30cfr/56.0.htm Cheers, CanuckMiner
  7. CanuckMiner

    Career direction and overlap with existing position

    MedMan, You're making 39k/yr, working 50 hrs/wk. That's about $15/hr. We pay our engineering STUDENTS more than that, and our EITs even more. Have a look at salary surveys from OSPE and you'll realize how underpaid you really are. 65k sounds reasonable, say "about right", for 4 years post...
  8. CanuckMiner

    Underground lab design and Mines

    Try Use of Electricity in Mines from CSA, http://www.techstreet.com/cgi-bin/detail?product_id=944563 Cheers, CanuckMiner
  9. CanuckMiner

    engineered chute design

    Sorry inventaguy, no first-hand knowledge here. However, I suggest you contact Martin Engineering and consider obtaining their Foundation series of design guides. http://www.martinengineering.com/apps/f4/?module=index You might also try the forum at Bulk Online...
  10. CanuckMiner

    What do you do when things are slow at the office

    Romulus, Umm...Just to be clear, my suggestion above to play WOW was meant as a joke. I wasn't condoning playing at work. Cheers, CanuckMiner
  11. CanuckMiner

    What do you do when things are slow at the office

    World of Warcraft should help consume some of your free time. Cheers, CanuckMiner
  12. CanuckMiner

    Friction loss paper

    mhnet, Looks like the paper was moved to a different location on the same site. Have a look here http://www.ppipella.com/resources/technical_papers/pdf/WireRopeSheaveFrictionTU2.pdf Cheers, CanuckMiner
  13. CanuckMiner

    Mine Ventilation Questions

    Redskin, The fan manufacturer may give you the static pressure, or the total pressure. Their description will tell you which is being provided. I suggest you google pitot tube. Also, check out AMCA 210. Better yet, talk to a fan manufacturer's rep. Cheers, CanuckMiner
  14. CanuckMiner

    Mine Ventilation Questions

    Power equation can be approximated as HP = Pressure (in.w.g.) * Flowrate (cfm) / (6356 * Efficiency) Therefore, 60,000 * 2 / (6356 * 70%) = 27 HP Your example of 300 HP motor looks like overkill by a factor of 10. Regarding what I mean by flowrate, it is not velocity. It is a volume of air...
  15. CanuckMiner

    Mine Ventilation Questions

    As with any fluid circuit, you need to determine the flowrate. After you know your flowrate, you can calculate the resistance to flow (i.e. pressure). You then look for a fan (or pump, or compressor) that can provide the flow and pressure that you've calculated. There may be many choices of...
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