1. (1) Each application shall contain descriptions, including appropriate maps and cross section drawings, of the proposed disposal site and design of the spoil disposal structures according to Rule 880-X-10C-.36. These plans shall describe the geotechnical investigation, design, construction, operation, maintenance, and removal, if appropriate, of the site and structures.

2. (2) Each application shall contain the results of a geotechnical investigation of the proposed disposal site, including the following:

   1. (a) The character of bedrock and any adverse geologic conditions in the disposal area;
   2. (b) A survey identifying all springs seepage, and groundwater flow observed or anticipated during wet periods in the area of the disposal site;
   3. (c) A survey of the potential effects of subsidence of the subsurface strata due to past and future mining operations;
   4. (d) A technical description of the rock materials to be utilized in the construction of those disposal structures containing rock chimney cores or underlain by a rock drainage blanket; and
   5. (e) A stability analysis including, but not limited to, strength parameters, pore pressures and long-term seepage conditions. These data shall be accompanied by a description of all engineering design assumptions and calculations and the alternatives considered in selecting the specific design specifications and methods.

3. (3) If, under Rule 880-X-10C-.36(k), rock-toe buttresses or key-way cuts are required, the application shall include the following --

   1. (a) The number, location, and depth of borings or test pits which shall be determined with respect to the size of the spoil disposal structure and subsurface conditions; and
   2. (b) Engineering specifications utilized to design the rock-toe buttresses or key-way cuts which shall be determined in accordance with Paragraph (2)(e) of this Rule.

Statutory Authority: Code of Ala. 1975, §§9-16-71, 73, 74, 75, 80, 81, 82, 83, 84, 85, 86, 88, 90, 92, 96.