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SUMMARY OF ISSUES FROM TUCWG MEETING
SUMMARY OF ISSUES FROM TUCWG MEETING
Pages 122-137
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From page 122... ...
The urgent needs and recommendations discussed included the following: • Management organization • Adequate staffing • Definition of promising sites • Configuration compatible with chosen site. A small group had studied earlier the possibility of using underground space already in existence.
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From page 123... ...
We touched on one of the questions that has been raised before, and that is the management organization and the adequate staffing of this very important program of tremendous magnitude. Other questions are also shown in the figure, and the final one is to define the properties of promising sites and then configure, or optimize a configuration, to be compatible with that site.
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From page 124... ...
Of the remaining nine existing openings, seven nonoperating mines are flooded, and the actual conditions of the underground space there are unknown. Two nonoperating mines are dry, as indicated.
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From page 125... ...
Dotted lines are used to indicate the possibility of various levels of talus slopes and alluvial fans adjacent to such a ridge. The third possibility, of course, is to go into a plain, such as the basalt at the Columbia River Basin.
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From page 126... ...
With some of the materials with which one might backfill a predug egress way, you would still have to use a raise climber or a raise borer in order to get rid of the material. Another possibility would be to use preset charges, not only to break up the plug at the top and possibly the bottom, but also the backfill, to break up the natural arches that are going to form as we try to have 2,000 feet of muck fall through the shaft; in this case, of course, we would not need a raise climber.
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From page 127... ...
In this case, blast doors might be an attractive addition, and I would mention that the Defense Nuclear Agency for years has used first a structure called a tunnel and pipe seal (TAPS) at the Nevada Test Site, which is designed for rather impressive overpressures and temperatures.
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From page 128... ...
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From page 131... ...
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From page 134... ...
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