How Did Ingersoll Rand Use Pneumatic Drills

Decent Essays
Using pneumatic drills, holes were bored into the rock for explosives. Five hundred pneumatic drills, hoses and compressors were purchased from Ingersoll Rand. Compressor plants were installed just below the outlet portals, near Arizona, and upstream by the inlet portals. Pipes of 2 to 6 inches in diameter were used to take compressed air to the work

Related Documents

  • Superior Essays

    Woodfibre LNG Case Study

    • 1042 Words
    • 5 Pages

    Natural gas is found in deep underground rock formations or associated with other hydrocarbon reservoirs…

    • 1042 Words
    • 5 Pages
    Superior Essays
  • Improved Essays

    Forensics showed that the bomber had started to use more lethal explosives. There was a mix of ammonium nitrate and aluminum powder. The bomb's shrapnel consisted of tacks, nails, and bits of lead (Unabomber Case and Trail, 2005). Stamped on the end seal of the bomb's pipe was the initials FC. June 13, a short time later, a similar bomb showed up at a Boeing plant in Auburn, Washington.…

    • 1023 Words
    • 5 Pages
    Improved Essays
  • Improved Essays

    2/23/1983 – Ireland. Twelve Irish Republican Army guerillas blow up a British cargo vessel. 1/31/1983 – Four Korean sailors seize control of a 300 foot freighter. 12/27/1982 – Five pirates boarded a Swedish cargo vessel and stole rolls of cloth. 7/6/1982 – Crew men aboard the Coast Guard cutter “Boutwell” sabotaged the vessel to hijack a sailboat in tow containing marijuana.…

    • 308 Words
    • 2 Pages
    Improved Essays
  • Improved Essays

    Ww1 Trench Diary

    • 793 Words
    • 4 Pages

    12 September, 1917 As I write this, the enemy is shelling the trench I’m sitting in. The enemy has been shelling us sporadically for the past several days. The enemy will shell us for several hours, then stop and then resume the shelling later. Heavy shelling has left the area surrounding the trench pock marked with craters.…

    • 793 Words
    • 4 Pages
    Improved Essays
  • Improved Essays

    Lord Stanley, the governor general, donates the Stanley Cup as a hockey trophy. 1893- Lord Stanley, the governor general, donates the Stanley Cup as a hockey trophy. Lord Stanley, bought a 7” high and 11” wide silver cup (the Stanley Cup) what had cost 10 guineas. (What is $50)…

    • 969 Words
    • 4 Pages
    Improved Essays
  • Improved Essays

    Soil Analysis Lab Report

    • 845 Words
    • 4 Pages

    Introduction: Soil samples where collected to test at Green River College, King County Washington, Sec 16 T21N R05E, W.M. in the gator pond retention area. Testing was done every half chain, for a distance of 528 feet to the north/south, 16 lines. Plots to the east/west where done until the water no longer flowed into the water shed. Data collected included, amounts of sand silt and clay, the amount of gravel, and dominate and co-dominate species in a 4 foot radius and the density of each plot. Each line of plots and testing were test by different individuals and then data was put onto an excel spread sheet to compare the soil types.…

    • 845 Words
    • 4 Pages
    Improved Essays
  • Improved Essays

    It would be placed along critical points besides barriers or infrastructure to allow access to fortified areas by imposing armies (Link 4). In order to place this unpredictable explosive, one would utilize a petardier’s assistant, as the petard maker would be too valuable to lose. There were a number of dangerous variables to challenge this assistant. Frequently, they had to pass through the enemy's fire to place the petard, just to simply get it set up. If they survived that ordeal, they would then need to successfully light the unstable explosive while not getting themselves blown up, and make it back to safety (Link 5).…

    • 1227 Words
    • 5 Pages
    Improved Essays
  • Improved Essays

    Forested areas need to be cleared of trees and access roads need to be built. In addition, all the heavy machinery needs to be haul in all equipment to be used for the drilling process. This process is already contributing to the greenhouse gas footprint. Once a drilling rig is set up, a surface hole is then drilled to a depth past the underground aquifer. Steel casing is run into the wellbore and the cement is pumped down to hold it into place.…

    • 1627 Words
    • 7 Pages
    Improved Essays
  • Decent Essays

    Sushil Bhandari (1997) defined vibration as a repeated movement in the normal rest position. The parameters involved with vibration are commonly amplitude or displacement and velocity or acceleration of the ground movement (Visvan, 2005). During demolition operation, vibration is normally caused by the impact of fallen structures or by the use of explosives (BS 6187:2000), which could pose detrimental effects of structural damage of adjacent premises, buried services like gas pipes, disturbance of sensitive equipment like computers, and also public perception of risk. The Australian Demolition Code of Practice, AS (2016) recommends that vibration levels in the vicinity of residential and commercial structures should be maintained below a peak…

    • 287 Words
    • 2 Pages
    Decent Essays
  • Decent Essays

    There are certainly many ways to die in Minecraft, and many of those deaths are amazing. Here are the five most amazing ways to die in Minecraft. DEATH BY THE GHAST The Ghast is a huge floating mob that hangs around The Nether. There are many in the game and they look very cuddly and cute.…

    • 330 Words
    • 2 Pages
    Decent Essays
  • Great Essays

    Sago Mine Case Study

    • 1362 Words
    • 5 Pages

    On Monday, January 2, 2006 an explosion occurred at about 6:30 am in a coal mine in Sago, West Virginia. (Madsen, 2009). The Sago Coal Mine explosion resulted in 12 fatalities, but 14 other workers were able to successfully evacuate (West Virginia Office of Miners ' Health, Safety, and Training, 2006). Accident investigations were promptly launched by the owner of the Sago Mine known as International Coal Group, the Mine Safety and Health Administration (MSHA), and the state of West Virginia (Madsen, 2009). The main purpose of the investigations was to determine causation in order to prevent similar tragedies.…

    • 1362 Words
    • 5 Pages
    Great Essays
  • Improved Essays

    “The Illuminati appear to have detailed their plans for global genocide and a New World Order in two large murals.” Brian Dunning said. Travelers around the world have flown to or out of The Denver International Airport. People have seen strange things from there like the New World order trying to take over the airport because it is the biggest. Freemasonry signs appear in most areas and around the airport.…

    • 796 Words
    • 4 Pages
    Improved Essays
  • Great Essays

    Beginning back millions of years ago, anthracite coal as well as bituminous coal were deposited within the Appalachian Mountains. All over the United States, in Pennsylvania, Ohio, Kentucky and West Virginia coal deposits are found (“Appalachian Mountains,” 2015). Today, 1.8 billion pounds of high explosives were used in just West Virginia and Kentucky alone. These explosives may shake and crack house foundations, startle wildlife, or spray a large area with rock and other debris. The blasting and flooding caused by this mining has ruined hundreds of houses and displaced families (Reece, 2007 p 58).…

    • 1567 Words
    • 7 Pages
    Great Essays
  • Improved Essays

    Sports In The 50's

    • 1492 Words
    • 6 Pages

    A lot of things happened in the 1950s from color T.V. to many changes in medicine. As many from the 50s may remember, this decade was filled with joy and terror for America. This decade also filled many of America’s dreams, from credit cards to rising gas prices, the 50s had it all. There were big changes in electronics for example T.V.s; a few good shows from the 50s were “I Love Lucy”, “Captain Kangaroo”,”Father Knows Best”, etc. Colored T.V. also came out in this time making our favorite 50’s shows just that much more amazing.…

    • 1492 Words
    • 6 Pages
    Improved Essays
  • Improved Essays

    All of these gases inflict an extreme amount of pain and lead to excruciating deaths that takes hours and days to kill the victims, similar to the use of flamethrowers. In the novel and the film it showed the rough conditions…

    • 1066 Words
    • 5 Pages
    Improved Essays