Texas Administrative Code
Title 16 - ECONOMIC REGULATION
Part 1 - RAILROAD COMMISSION OF TEXAS
Chapter 12 - COAL MINING REGULATIONS
Subchapter G - SURFACE COAL MINING AND RECLAMATION OPERATIONS, PERMITS, AND COAL EXPLORATION PROCEDURES SYSTEMS
Division 6 - SURFACE MINING PERMIT APPLICATIONS - MINIMUM REQUIREMENTS FOR RECLAMATION AND OPERATION PLAN
Section 12.153 - Disposal of Excess Spoil

Universal Citation: 16 TX Admin Code § 12.153

Current through Reg. 50, No. 13; March 28, 2025

(a) 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 §§ 12.363-12.366 of this title (relating to Disposal of Excess Spoil: General Requirements, to Disposal of Excess Spoil: Valley Fills, to Disposal of Excess Spoil: Head-of-Hollow Fills, and to Disposal of Excess Spoil: Durable Rock Fills). These plans shall describe the geotechnical investigation, design, construction, operation, maintenance, and removal, if appropriate, of the site and structures.

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

(1) the character of bedrock and any adverse geologic conditions in the disposal area;

(2) a survey identifying all springs, seepage, and ground-water flow observed or anticipated during wet periods in the area of the disposal site;

(3) a survey of the potential effects of subsidence of the subsurface strata due to past and future mining operations;

(4) 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) 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.

(c) If, under § 12.363 of this title (relating to Disposal of Excess Spoil: General Requirements), rock-toe buttresses or keyway cuts are required, the application shall include the following:

(1) 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) engineering specifications utilized to design the rock-toe buttress or keyway cuts which shall be determined in accordance with subsection (b)(5) of this section.

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