WORKERS ARE POSITIONING A SECTION OF STEEL CASING BEFORE INSERTING IT INTO THE HOLE.
THE WASTE ISOLATION PILOT PLANT IS A DOE RESEARCH AND DEVELOPMENT FACILITY FOR DEMONSTRATING THE SAFE DISPOSAL OF TRANSURANIC RADIOACTIVE WASTES. TEST SHAFTS HAVE BEEN DRILLED TO A DEPTH OF 2,100 FEET. THE SHAFTS, ONE 6 FEET IN DIAMETER AND THE OTHER 12 FEET IN DIAMETER, PROVIDE AN ENTRY PASSAGE AND VENTILATION TO THE UNDERGROUND SALT ROCK FORMATION THAT IS BEING TESTED TO DETERMINE ITS SUITABILITY FOR RADIOACTIVE WASTE STORAGE. FOLLOWING THE COMPLETION OF THE AUGERING OPERATION, A STEEL CASING WAS PLACED IN THE HOLE AT THE ANGERED DEPTH OF 100 FEET. THIS CASING, WHICH IS 1 INCH THICK AND 144 INCHES IN DIAMETER, SERVES AS A GUIDE FOR THE DRILLING EQUIPMENT SO THE HOLE WILL BE DRILLED STRAIGHT. THE CASING WAS IN 20-FOOT-LONG SEGMENTS WHICH WERE POSITIONED ABOVE THE HOLE USING A CRANE WHILE THE SECTIONS WERE WELDED TOGETHER.
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June 12, 2014
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