16 Tex. Admin. Code § 12.193 - Underground Development Waste/Return of Coal Processing Waste to Abandoned Underground Workings
(a) Underground
Development Waste. Each plan shall contain descriptions, including appropriate
maps and cross-section drawings of the proposed disposal methods and sites for
placing underground development waste and excess spoil generated at surface
areas affected by surface operations and facilities, according to §§
12.531-12.534 of this title (relating to
Disposal of Underground Development Waste and Excess Spoil: General
Requirements, to Disposal of Underground Development Waste and Excess Spoil:
Valley fills, to Disposal of Underground Development Waste and Excess Spoil:
Head-of-Hollow Fills, and to Disposal of Underground Development Waste and
Excess Spoil: Durable Rock Fills). Each plan shall describe the geotechnical
investigation, design, construction, operation, maintenance and removal, if
appropriate, of the structures and be prepared according to §
12.153 of this title (relating to
Disposal of Excess Spoil).
(b)
Return of Coal Processing Waste to Abandoned Underground Workings.
(1) Each plan shall describe the design,
operation and maintenance of any proposed coal processing waste disposal
facility, including flow diagrams and any other necessary drawings and maps,
for the approval of the Commission and the Mine Safety and Health
Administration under §
12.541 of this title (relating to
Coal Processing Waste: Return to Underground Workings).
(2) Each plan shall describe the source and
quality of waste to be stowed, area to be backfilled, percent of the mine void
to be filled, method of constructing underground retaining walls, influence of
the backfilling operation on active underground mine operations, surface area
to be supported by the backfill, and the anticipated occurrence of surface
effects following backfilling.
(3)
The applicant shall describe the source of the hydraulic transport mediums,
method of dewatering the placed backfill, retainment of water if released to
surface streams, and the effect on the hydrologic regime.
(4) The plan shall describe each permanent
monitoring well to be located in the backfilled area, the stratum underlying
the mined coal, and gradient from the backfilled area.
(5) The requirements of paragraphs (1)-(4) of
this subsection shall also apply to pneumatic backfilling operations, except
where the operations are exempted by the Commission from requirements
specifying hydrologic monitoring.
Notes
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.
No prior version found.