(A) Operation plan: general
requirements.
(1) This rule shall apply
only to underground mining operations.
(2) Each application
shall contain a description of the mining operations proposed to be conducted
during the life of the mine including:
(a) A narrative description of the type and method of coal mining
procedures and proposed engineering techniques, anticipated annual and total
production of coal, by tonnage, and the major equipment to be used for all
aspects of those operations; and
(b) A narrative explaining the construction, modification, use,
maintenance, and removal of the following facilities (unless retention of such
facilities is necessary for postmining land use as specified in rule
1501:13-9-17 of the Administrative Code and is approved by the
chief):
(i) Dams, embankments,
and other impoundments;
(ii) Overburden and
topsoil handling and storage areas and structures;
(iii) Coal removal,
handling, storage, cleaning, and transportation areas and
structures;
(iv) Spoil, coal
processing, waste, and noncoal waste removal, handling, storage,
transportation, and disposal areas and structures;
(v) Mine facilities;
and
(vi) Water and air
pollution control facilities.
(3) Each application
shall contain the information required under Chapter 1501:13-4 of the
Administrative Code for the proposed permit area in the detail necessary for
the chief to determine the estimated cost of reclamation, pursuant to paragraph
(B) of rule 1501:13-7-01 of the Administrative Code, if the reclamation has to
be performed by the division of mineral resources management in the event of
forfeiture of the performance security by the permittee. This estimate shall
include:
(a) Operational detail sufficient to determine the greatest
potential reclamation cost liability to the state; and
(b) Any other operational detail required by the chief that may
affect the cost of reclamation by the division of mineral resources management
in the event of forfeiture of the performance security by the
permittee.
(B) Operation plan: existing
structures.
(1) Each application
shall contain a description of each existing structure proposed to be used in
connection with or to facilitate the coal mining and reclamation operation. The
description shall include:
(a) Location;
(b) Plans of the structure which describe its current
condition;
(c) Approximate dates on which construction of the existing
structure was begun and completed; and
(d) A showing, including relevant monitoring data or other
evidence, of whether the structure meets the performance standards of rules
1501:13-8-01 to 1501:13-13-07 of the Administrative Code.
(2) Each application
shall contain a compliance plan for each existing structure proposed to be
modified or reconstructed for use in connection with or to facilitate the coal
mining and reclamation operation. The compliance plan shall
include:
(a) Design specifications for the modification or reconstruction
of the structure to meet the design and performance standards of rules
1501:13-8-01 to 1501:13-13-07 of the Administrative Code;
(b) A construction schedule which shows dates for beginning and
completing interim steps and final reconstruction;
(c) Provisions for monitoring the structure during and after
modification or reconstruction to ensure that the performance standards of
rules 1501:13-8-01 to 1501:13-13-07 of the Administrative Code are met;
and
(d) A showing that the risk of harm to the environment or to
public health or safety is not significant during the period of modification or
reconstruction.
(C) Operation plan: blasting. If surface
blasting incident to the underground mine operation is to be conducted, the
application shall contain a blasting plan for the proposed permit area,
explaining how the applicant intends to comply with the blasting requirements
of rule 1501:13-9-06 of the Administrative Code and including the
following:
(1) Information setting
forth the limitations the operator will meet with regard to ground vibration
and airblast, the bases for those limitations, and the methods to be applied in
controlling the adverse effects of blasting operations;
(2) Description of any
system to be used to monitor compliance with the airblast and ground vibration
limits established under paragraph (C)(1) of this rule, including the type,
capability, and sensitivity of any blast-monitoring equipment and proposed
procedures and locations of monitoring; and
(3) For blasting
operations within five hundred feet of active underground mines, copies of the
approvals given by the state and federal authorities concerned with the health
and safety of underground miners.
(D) Reclamation plan: general
requirements.
(1) Each application
shall contain a plan for describing reclamation of the lands within the
proposed permit area, showing how the applicant will comply with the
requirements of Chapter 1513. of the Revised Code and rules adopted thereunder.
The plan shall include, at a minimum, all information required under paragraphs
(D) to (R) of this rule.
(2) Each plan shall
contain, where appropriate, the following information for the proposed permit
area:
(a) A detailed timetable for the completion of each major step in
the reclamation plan;
(b) A plan for the backfilling, soil stabilization, compacting,
and grading, with contour maps or cross sections that show the anticipated
final surface configuration of the proposed permit area, in accordance with
rule 1501:13-9-14 of the Administrative Code;
(c) A description of the removal, storage, and redistribution of
the topsoil, subsoil, and other material to meet the requirements of rule
1501:13-9-03 of the Administrative Code. A demonstration of the suitability of
topsoil substitutes or supplements under rule 1501:13-9-03 of the
Administrative Code shall be based upon analysis of the thickness of soil
horizons, total depth, texture, per cent coarse fragments, pH, and areal extent
of the different kinds of soils. The chief may require other chemical and
physical analyses, field-site trials, or greenhouse tests if determined to be
necessary or desirable to demonstrate the suitability of the topsoil
substitutes or supplements;
(d) A description of the revegetation as required in rule
1501:13-9-15 of the Administrative Code, including, but not limited to,
descriptions of the:
(i) Schedule of
revegetation;
(ii) Species and amounts
per acre of seeds and seedlings to be used;
(iii) Methods to be used
in planting and seeding;
(iv) Mulching
techniques;
(v) A soil testing plan
for evaluation of the results of topsoil handling and reclamation procedures
related to revegetation;
(vi) Irrigation, if
appropriate, and disease, pest and vermin control, if any; and
(vii) The measures
proposed to be used to determine the success of revegetation as required under
rule 1501:13-9-15 of the Administrative Code;
(e) A description of the measures to be used to maximize the use
and conservation of the coal resources as required by rule 1501:13-9-05 of the
Administrative Code;
(f) A description of measures to be employed to ensure that all
debris, acid-forming and toxic-forming materials and materials constituting a
fire hazard are disposed of in accordance with paragraph (E) of rule
1501:13-9-09 and paragraph (J) of rule 1501:13-9-14 of the Administrative Code
and a description of the contingency plans which have been developed to
preclude sustained combustion of such materials;
(g) A description, including appropriate cross sections and maps,
of the measures to be used to seal or manage mine openings and to plug, case or
manage exploration holes, other bore holes, wells, and other openings within
the proposed permit area, in accordance with rule 1501:13-9-02 of the
Administrative Code; and
(h) A description of steps to be taken to comply with the
requirements of the Clean Air Act (42 U.S.C. 7401 et seq.), the Clean Water Act
(33 U.S.C. 1251 et seq.) and other applicable air and water quality laws and
regulations and health and safety standards.
(E) Reclamation plan: protection of
hydrologic balance.
(1) Each application
shall contain a plan for the protection of the hydrologic balance. The plan
shall be specific to the local hydrologic conditions and shall describe the
measures to be taken during and after the proposed underground mining
operations in accordance with rule 1501:13-9-04 of the Administrative Code
to:
(a) Minimize disturbance to the hydrologic balance within the
permit and adjacent areas and to prevent material damage outside the permit
area;
(b) Protect the rights of present users of surface and ground
waters within the permit area and adjacent areas;
(c) Avoid acid or toxic drainage;
(d) Control surface-water drainage into, through, and out of the
proposed permit area, pursuant to rule 1501:13-9-04 of the Administrative
Code;
(e) Treat, when required under these rules, surface- and
ground-water drainage from the area to be disturbed by the proposed underground
mining surface operations, so as not to exceed quantitative limits on
pollutants in discharges under paragraph (B) of rule 1501:13-9-04 of the
Administrative Code;
(f) Prevent, to the extent possible using the best technology
currently available, additional contributions of suspended solids to
streamflow, or runoff outside the permit area. Vegetation may be determined by
the chief to be the best technology currently available upon a demonstration by
the permittee that the requirements of paragraphs (B)(1) to (B)(1)(b) of rule
1501:13-9-04 of the Administrative Code have been met. If the applicant
proposes to make such a demonstration after vegetation is established and
remove siltation structures sooner than two years after the last augmented
seeding of a drainage area, the applicant shall state such intentions in the
timetable and plans for removal of sediment control structures required by
paragraph (H)(1)(b)(iv) or (H)(1)(c)(iv) of this rule;
(g) Address any potential adverse hydrologic consequences
identified in the determination of probable hydrologic consequences under
paragraph (E)(2) of this rule and include preventative and remedial measures;
and
(h) Meet applicable federal and state water quality laws and
regulations.
(2) Determination of
probable hydrologic consequences (PHC).
(a) The plan shall include a determination of the probable
hydrologic consequences of the proposed underground mining operations on the
proposed permit area and adjacent areas. This determination shall be based on
baseline hydrologic, geologic and other information collected for the permit
application with respect to the hydrologic regime, providing information on the
quantity and quality of water in surface- and ground-water systems under
seasonal conditions, including the contents of dissolved and total suspended
solids, total iron, pH, and total manganese.
(b) The PHC determination shall include findings on:
(i) Whether adverse
impacts may occur to the hydrologic balance;
(ii) Whether acid-forming
or toxic-forming materials are present that could result in the contamination
of surface- or ground-water supplies;
(iii) Whether the
proposed operation may proximately result in contamination, diminution or
interruption of an underground or surface source of water within the proposed
permit or adjacent areas which is used for domestic, agricultural, industrial,
or other legitimate purpose; and
(iv) What impact the
proposed operation will have on:
(a) Sediment yield from
the disturbed area;
(b) Acidity, total
suspended and dissolved solids, and other important water quality parameters of
local impact;
(c) Flooding or
streamflow alteration;
(d) Ground-water and
surface-water availability; and
(e) Other characteristics
as required by the chief.
(c) An application for a permit revision shall be reviewed by the
chief to determine whether a new or updated PHC determination shall be
required.
(3) Each plan shall
contain a detailed description, with appropriate drawings, of permanent entry
seals and downslope barriers designed to ensure stability under anticipated
hydraulic heads developed while promoting mine inundation after mine closure
for the proposed permit area.
(F) Ground-water and surface-water
monitoring plans.
(1) Ground-water
monitoring plan.
(a) The application shall include a ground-water monitoring plan
based upon the PHC determination required under paragraph (E)(2) of this rule
and the analysis of all baseline hydrologic, geologic and other information in
the permit application. The plan shall provide for the monitoring of parameters
that relate to the suitability of the ground water for current and approved
postmining land uses and to the objectives for protection of the hydrologic
balance set forth in paragraph (E)(1) of this rule. It shall identify the
quantity and quality parameters to be monitored, sampling frequency, and site
locations. It shall describe how the data may be used to determine the impacts
of the operation upon the hydrologic balance. At a minimum, specific
conductance corrected to twenty-five degrees centigrade, pH, total iron, total
manganese, and water levels shall be monitored. Data resulting from monitoring
shall be submitted to the chief pursuant to paragraph (N) of rule 1501:13-9-04
of the Administrative Code.
(b) If an applicant can demonstrate by the use of the PHC
determination and other available information that a particular water-bearing
stratum in the proposed permit and adjacent areas is not one which serves as an
aquifer which significantly ensures the hydrologic balance within the general
area, then monitoring of that stratum may be waived by the chief.
(2) Surface-water
monitoring plan.
(a) The application shall include a surface-water monitoring plan
based upon the PHC determination required under paragraph (E)(2) of this rule
and the analysis of all baseline hydrologic, geologic, and other information in
the permit application. The plan shall provide for the monitoring of parameters
that relate to the suitability of the surface water for current and approved
postmining land uses and to the objectives for protection of the hydrologic
balance as set forth in paragraph (E)(1) of this rule as well as the effluent
limitations set forth in 40 C.F.R. part 434.
(b) The plan shall identify the surface-water quantity and
quality parameters to be monitored, sampling frequency and site locations. It
shall describe how the data may be used to determine the impacts of the
operation upon the hydrologic balance.
(i) At all monitoring
locations in the permit and adjacent areas, surface-water bodies such as
streams, lakes and impoundments, that are potentially affected or into which
water will be discharged, and at upstream monitoring locations, the specific
conductance corrected to twenty-five degrees centigrade, total suspended
solids, pH, total iron, total manganese, and flow shall be
monitored.
(ii) For point-source
discharges, monitoring shall be conducted in accordance with 40 C.F.R. parts
122, 123 and 434 and as required by the national pollutant discharge
elimination system permitting authority.
(iii) Data resulting from
this monitoring shall be submitted to the chief pursuant to paragraph (N) of
rule 1501:13-9-04 of the Administrative Code.
(G) Reclamation plan: postmining land
uses.
(1) Each application
shall contain a plan for the postmining land use. The plan shall describe the
proposed use following reclamation of the land within the proposed permit area,
including a discussion of the utility and capacity of the reclaimed land to
support a variety of alternative uses, and the relationship of the proposed use
to existing land use polices and plans. This description shall
explain:
(a) How the proposed postmining land use is to be achieved and
the necessary support activities which may be needed to achieve the proposed
land use; and
(b) When a land use different from the premining land use is
proposed, all materials needed for approval of the alternatives used under
these rules.
(2) The plan shall be
accompanied by a copy of the comments concerning the proposed use by the legal
or equitable owner of record of the surface of the proposed permit area and the
state and local government agencies which would have to initiate, implement,
approve, or authorize the proposed use of the land following
reclamation.
(3) The plan shall
describe the consideration which has been given to making all of the proposed
coal mining operations consistent with surface owner plans and applicable state
and local land use plans and programs.
(H) Reclamation plan: ponds,
impoundments, banks, dams, and embankments.
(1) General
requirements.
(a) Each application shall include a detailed design plan for
each proposed siltation structure, water impoundment, and coal mine waste bank,
dam, or embankment within the proposed permit area. Each plan
shall:
(i) Be prepared by, or
under the direction of, and certified by an engineer;
(ii) Contain a
description, map, and cross section of the structure and its
location;
(iii) Contain preliminary
hydrologic and geologic information required to assess the hydrologic impact of
the structure; and
(iv) Contain a survey
describing the potential effect on the structure from subsidence of the
subsurface strata resulting from past underground mining operations if
underground mining has occurred.
(b) Each detailed design plan for a structure that meets or
exceeds the size or other criteria of MSHA, 30 C.F.R. 77.216(a), or meets the
significant hazard potential or high hazard potential classification (formerly
called class B or C) criteria for dams in the U.S department of agriculture,
natural resources conservation service technical release TR-210-60, "Earth
Dams and Reservoirs," March 2019, shall:
(i) Be prepared by, or
under the direction of, and certified by an engineer;
(ii) Include any
geotechnical investigation, design, and construction requirements for the
structure;
(iii) Describe the
operation and maintenance requirements for each structure; and
(iv) Describe the
timetable and plans to remove each structure, if appropriate. If the applicant
proposes to demonstrate that vegetation is the best technology currently
available and remove siltation structures sooner than two years after the last
augmented seeding of the drainage area, include a statement of such
intentions.
(c) Each detailed design plan for a structure that does not meet
the size or other criteria of paragraph (H)(1)(b) of this rule,
shall:
(i) Be prepared by, or
under the direction of, and certified by an engineer;
(ii) Include any design
and construction requirements for the structure including any required
geotechnical information;
(iii) Describe the
operation and maintenance requirements for each structure; and
(iv) Describe the
timetable and plans to remove each structure, if appropriate. If the applicant
proposes to demonstrate that vegetation is the best technology currently
available and remove siltation structures sooner than two years after the last
augmented seeding of the drainage area, include a statement of such
intentions.
(2) Impoundments.
(a) Permanent and temporary impoundments shall be designed in
compliance with the requirements of paragraph (H) of rule 1501:13-9-04 of the
Administrative Code. The design of any impoundment shall be certified by an
engineer experienced in impoundment design and construction. The certification
statement shall state that the structure is designed to meet the requirements
of paragraph (H) of rule 1501:13-9-04 of the Administrative Code.
(b) Each design plan for an impoundment that meets or exceeds the
size or other criteria of MSHA, 30 C.F.R. 77.216(a), shall contain the
information required under 30 C.F.R. 77.216-2(a). The plan required to be
submitted to the district manager of MSHA under 30 C.F.R. 77.216 shall also be
submitted to the chief as part of the permit application.
(c) Impoundments not meeting the size or other criteria of
paragraph (H)(1)(b) of this rule may be designed in compliance with the
following design standards, in lieu of performance of engineering tests to
demonstrate compliance with the 1.3 minimum static safety factor required in
paragraph (H)(1)(c)(ii) of rule 1501:13-9-04 of the Administrative
Code:
(i) The embankment
foundation area shall be cleared of all organic matter and the entire
foundation surface shall be scarified;
(ii) If the natural slope
of the foundation as measured at right angles to the embankment center line is
steeper than 10h:1v (ten per cent), the embankment shall be benched into the
existing slope beginning at the embankment toe and then filled with compacted
level lifts;
(iii) The embankment fill
material shall be free of sod, large roots, other large vegetative matter, and
coal processing waste;
(iv) The fill shall be
brought up in horizontal layers of such thickness as required to facilitate
compaction in accordance with prudent construction standards;
(v) The moisture content
of the fill material shall be sufficient to secure proper compaction. (An
indication of sufficient moisture content is that when kneaded by hand the soil
should just form a ball which does not readily separate. The engineer may
specify other methods of testing moisture content if appropriate). When it is
necessary to use materials of varying texture and gradation, the more
impervious material shall be placed in the upstream and center portions of the
embankment and the more pervious material shall be placed in the downstream
portion of the fill;
(vi) The
embankment's combined upstream and downstream side slopes shall be no
steeper than the sum of 5h:1v, with neither slope steeper than 2h:1v. (Example:
if downstream slope is 3h:1v, then upstream slope can be no steeper than 2h:1v.
The minimum combined slope requirement of 5h:1v refers to the 3h and 2h added
together.); and
(vii) The minimum top
width of the embankment shall be (h + 35)/5, where "h" is the
embankment height as measured from natural ground at the upstream toe to the
top of the embankment.
(3) Siltation
structures.
(a) Permanent and temporary siltation structures shall be
designed in compliance with the requirements of paragraphs (G) and (H) of rule
1501:13-9-04 of the Administrative Code. The design of any siltation structure
shall be certified by an engineer experienced in impoundment design and
construction. The certification shall state that the structure is designed to
meet the requirements of paragraphs (G) and (H) of rule 1501:13-9-04 of the
Administrative Code.
(b) In addition to the requirements of paragraph (H)(1) of this
rule, the plan shall include a determination of:
(i) The required sediment
storage volume; and
(ii) The detention time
provided by the pond.
(c) Each design plan for a siltation structure that meets or
exceeds the size or other criteria of MSHA, 30 C.F.R. 77.216(a), shall contain
the information required under 30 C.F.R. 77.216-2(a).
(4) Coal mine waste dams
and embankments.
(a) Coal mine waste dams and embankments shall be designed to
comply with the requirements of paragraphs (A) to (C) of rule 1501:13-9-09 and
paragraph (H) of rule 1501:13-9-04 of the Administrative Code. The design of
any coal mine waste dam or embankment shall be certified by an engineer
experienced in design of similar earth and waste structures. The certification
statement shall state that the structure is designed to meet the requirements
of paragraphs (A) to (C) of rule 1501:13-9-09 and paragraph (H) of rule
1501:13-9-04 of the Administrative Code.
(b) Each plan shall contain the results of a geotechnical
investigation of the proposed dam or embankment foundation area, to determine
the structural competence of the foundation which will support the proposed dam
or embankment structure and the impounded material. The geotechnical
investigation shall be planned and supervised by an engineer, according to the
following:
(i) The number, location,
and depth of borings and test pits shall be determined using current, prudent
engineering practice for the size of the dam or embankment, quantity of
material to be impounded, and subsurface conditions;
(ii) The character of the
overburden and bedrock, the proposed abutment sites, and any adverse
geotechnical conditions which may affect the particular dam, embankment, or
reservoir site shall be considered;
(iii) All springs,
seepage, and ground-water flow observed or anticipated during wet periods in
the area of the proposed dam or embankment shall be identified on each plan;
and
(iv) Consideration shall
be given to the possibility of mudflows, rock-debris falls, or other landslides
into the dam, embankment, or impounded material.
(c) Each design plan for a coal mine waste dam or embankment that
meets or exceeds the size or other criteria of MSHA, 30 C.F.R. 77.216(a), shall
contain the information required under 30 C.F.R. 77.216-2(a).
(5) Coal mine waste
banks. Coal mine waste banks shall be designed to comply with the requirements
of paragraphs (A) to (C) of rule 1501:13-9-09 of the Administrative Code, and
with the provisions regarding impoundments under paragraph (H) of rule
1501:13-9-04 of the Administrative Code. The design of any coal mine waste bank
shall be certified by an engineer experienced in design of similar earth and
waste structures. The certification shall state that the structure is designed
to meet the requirements of paragraphs (A) to (C) of rule 1501:13-9-09 and
paragraph (H) of rule 1501:13-9-04 of the Administrative Code using current,
prudent engineering practices.
(6) If the structure
meets or exceeds the size or other criteria of MSHA, 30 C.F.R. 77.216 (a), or
meets the significant hazard potential or high hazard potential classification
(formerly called Class B or C) criteria for dams in the U.S department of
agriculture, natural resources conservation service technical release
TR-210-60, "Earth Dams and Reservoirs," March 2019, each plan under
paragraphs (H)(2), (H)(3), and (H)(4) of this rule shall include a stability
analysis of each structure. The stability analysis shall include, but not
limited to, strength parameters, pore pressures, and long-term seepage
conditions. The plan shall also contain a description of each engineering
design assumption and calculation with a discussion of each alternative
considered in selecting the specific design parameters and construction
methods.
(7) For further
information about natural resources conservation service technical release
TR-210-60, which is incorporated by reference in paragraph (H) of this rule,
see paragraph (H)(1)(a) of rule 1501:13-9-04 of the Administrative
Code.
(I) Diversions. Each application shall
contain descriptions, including maps and cross sections, of stream channel
diversions and other diversions to be constructed within the proposed permit
area to achieve compliance with paragraphs (D) and (F) of rule 1501:13-9-04 of
the Administrative Code.
(J) Protection of public parks and
historic places.
(1) For any publicly
owned parks or any places listed on the "National Register of Historic
Places," administered by the national parks service, U.S. department of
the interior, that may be adversely affected by the proposed operation, each
application shall describe the measures to be used:
(a) To prevent adverse impacts; or
(b) If valid existing rights exist or joint agency approval is to
be obtained under paragraph (E) of rule 1501:13-3-04 of the Administrative Code
to minimize adverse impacts. The website for the "National Register of
Historic Places" for Ohio sites is
www.nationalregisterofhistoricplaces.com/oh/state.html.
(2) The chief may require
the applicant to protect historic or archeological properties listed on or
eligible for listing on the "National Register of Historic Places,"
as referenced in paragraph (J)(1) of this rule, through appropriate mitigation
and treatment measures. Appropriate mitigation and treatment measures may be
required to be taken after permit issuance provided that the required measures
are completed before the properties are affected by any mining
operation.
(K) Relocation or use of public roads.
Each application shall describe the measures to be used to ensure that the
interests of the public and landowners affected are protected if, under
paragraph (C) of rule 1501:13-3-04 of the Administrative Code, the applicant
seeks to have the chief approve:
(1) Conducting the
proposed coal mining operation within one hundred feet of the right-of-way line
of any public road, except where mine access or haul roads join that
right-of-way; or
(2) Relocating a public
road.
(L) Transportation
facilities.
(1) Each application
shall contain a detailed description of each road, conveyor, or rail system to
be constructed, used, or maintained within the proposed permit area. The
description shall include a map, appropriate cross sections, and the
following:
(a) Specifications for each road width, road gradient, road
surface, road cut, fill embankment, culvert, bridge, drainage ditch, and
drainage structure;
(b) A description of measures to be taken to obtain approval of
the chief for alteration or relocation of a natural drainageway under rule
1501:13-10-01 of the Administrative Code;
(c) A description of measures, other than use of a rock headwall,
to be taken to protect the inlet end of a ditch relief culvert, for approval by
the chief under rule 1501:13-10-01 of the Administrative Code;
(d) Drawings and specifications for each proposed ford of
perennial or intermittent streams outside the mined-out area that is used as a
temporary route, as necessary for approval of the ford by the chief in
accordance with paragraph (D)(1) of rule 1501:13-10-01 of the Administrative
Code; and
(e) A description of plans to remove and reclaim each road that
would not be retained under an approved postmining land use, and the schedule
for this removal and reclamation.
(2) Primary road
embankments may be designed in compliance with the following design standards,
in lieu of performance of engineering tests to demonstrate compliance with the
1.3 minimum static safety factor required in paragraph (G)(3) of rule
1501:13-10-01 of the Administrative Code:
(a) The embankment foundation area shall be cleared of all
organic matter and the entire foundation surface shall be
scarified;
(b) If the natural slope of the foundation as measured at right
angles to the roadway center line is steeper than 8h:1v, the embankment shall
be benched into the existing slope beginning at the embankment toe and then
filled with compacted level lifts;
(c) The embankment fill material shall be free of sod, large
roots, other large vegetative matter, and coal processing waste;
(d) The fill shall be brought up in horizontal layers of such
thickness as required to facilitate compaction in accordance with prudent
construction standards;
(e) The moisture content of the fill material shall be sufficient
to secure proper compaction;
(f) The side slopes of the embankment shall be no steeper than
2h:1v;
(g) Embankments with upstream and downstream slopes shall have a
minimum top width of (h + 35)/5, where "h" is the embankment height
as measured from natural ground at the upstream toe to the top of the
embankment;
(h) Hillside embankments shall have a minimum top width adequate
for the intended use; and
(i) Culverts shall be placed such that the embankment, as defined
in rule 1501:13-1-02 of the Administrative Code, will not impound water for an
extended period of time.
(M) Subsidence control plan.
(1) The application shall
include, for the shadow area, the most recent available U.S. geologic survey
7.5-minute topographic map showing:
(a) The extent of underground workings proposed for the term of
the permit, including existing works that will continue to be used under the
permit, all shown on a year-by-year basis;
(b) Those parts of the proposed underground workings from which
there will be full coal recovery;
(c) The angle of draw for the workings described in paragraphs
(M)(1)(a) and (M)(1)(b) of this rule; and
(d) Those areas in which measures will be taken to prevent or
minimize subsidence and subsidence-related damage.
(2) The application shall
include an inventory which shall show whether structures or renewable resource
lands exist within the proposed permit and adjacent areas and whether
subsidence, if it occurred, could cause material damage or diminution of the
reasonably foreseeable use of such structures or renewable resource lands. If
the inventory shows that no such structures or renewable resource lands exists
or no such material damage or diminution could be caused in the event of mine
subsidence, and if the chief agrees with such conclusion, no further
information need be provided in the application under paragraphs (M)(2)(a) to
(M)(2)(e) of this rule. In the event the inventory shows that such structures
or renewable resource lands exist, and that subsidence could cause material
damage or diminution of value or foreseeable use of such structures or
renewable resource lands, or if the chief determines that such material damage
or diminution could occur, the application shall include a subsidence control
plan which shall contain the following information:
(a) A description of the method of coal removal, such as
longwall, room-and-pillar removal, hydraulic mining, or other extraction
methods, including the size, sequence, and timing for the development of
underground workings;
(b) A map of the shadow area which describes the location and
extent of areas in which planned-subsidence mining methods will be used and
which includes all areas where the measures described in paragraphs (M)(2)(d)
and (M)(2)(e) of this rule will be taken to prevent or minimize subsidence and
subsidence-related damage; and, where appropriate, to correct
subsidence-related material damage;
(c) A description of the physical conditions, such as depth of
cover, seam thickness, and lithology, which affect the likelihood or extent of
subsidence and subsidence-related damage;
(d) A description of monitoring, if any, needed to determine the
commencement and degree of subsidence so that, when appropriate, other measures
can be taken to prevent, reduce, or correct material damage in accordance with
rule 1501:13-12-03 of the Administrative Code;
(e) Except for those areas where planned subsidence is projected
to be used, a detailed description of the subsidence control measures that will
be taken to prevent or minimize subsidence and subsidence-related damage,
including such measures as:
(i) Backstowing or
backfilling voids;
(ii) Leaving support
pillars of coal;
(iii) Leaving areas in
which no coal is removed, including a description of the overlying area to be
protected by leaving the coal in place; and
(iv) Taking measures on
the surface to prevent material damage or lessening of the value or reasonably
foreseeable use of the surface;
(f) A description of the anticipated effects of planned
subsidence, if any;
(g) A general description of the measures to be taken, in
accordance with rule 1501:13-12-03 of the Administrative Code, to mitigate or
remedy any subsidence-related damage to or diminution in value or reasonably
foreseeable use of:
(i) The land;
or
(ii) Structures,
buildings, features, or facilities to the extent required pursuant to rule
1501:13-12-03 of the Administrative Code; and
(h) Other information required by the chief as necessary to
demonstrate that the operation will be conducted in accordance with the
performance standards of rule 1501:13-12-03 of the Administrative Code for
subsidence control.
(N) Return of coal mine wastes to
abandoned underground workings.
(1) Each application
shall contain a plan for the return of coal mine wastes to abandoned
underground workings. The 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 chief and MSHA under paragraph (A)(7) of rule 1501:13-9-09 of the
Administrative Code.
(2) The plan shall
describe the source and quality of waste to be stowed, area to be backfilled,
per cent 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 underground, treatment 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 (N)(1) to (N)(4) of this rule shall also apply to pneumatic
backfilling operations, except where the operations are exempted by the chief
from requirements specifying hydrologic monitoring.
(O) 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
underground mining surface operations and facilities according to rule
1501:13-9-07 of the Administrative Code. Each plan shall describe the
geotechnical investigation, design, construction, operation, maintenance, and
removal, if appropriate, of the structures and be prepared according to
paragraph (P) of this rule.
(P) Disposal of excess
spoil.
(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 1501:13-9-07 of the Administrative Code. These
plans shall describe the geotechnical investigation, design, construction,
operation, maintenance, and removal, if appropriate, of the site and
structures.
(2) Each application
shall contain the results of a geotechnical investigation of the proposed
disposal site, including the following:
(a) The character of bedrock and any adverse geologic conditions
in the disposal area;
(b) A survey identifying all springs, seepage, and ground-water
flow observed or anticipated during wet periods in the area of the disposal
site;
(c) A survey of the potential effects of subsidence of the
subsurface strata due to past and future mining operations;
(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
(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) If, under paragraph
(D) of rule 1501:13-9-07 of the Administrative Code, rock-toe buttresses or
keyway cuts are required, the application shall include the
following:
(a) The number, location, and depth of borings or test pits. The
number, location, and depth shall be determined with respect to the size of the
spoil disposal structure and sub-surface conditions; and
(b) Engineering specifications utilized to design the rock-toe
buttresses or keyway cuts which shall be determined in accordance with
paragraph (P)(2)(e) of this rule.
(Q) Air pollution control plan. For all
underground mining surface operations, the application shall contain an air
pollution control plan in order to address fugitive dust resulting from
erosion. The plan shall include the following:
(1) An air quality
monitoring program, if required by the chief, to provide sufficient data to
evaluate the effectiveness of the fugitive dust control practices under
paragraph (Q)(2) of this rule to comply with applicable federal and state air
quality standards; and
(2) A plan for fugitive
dust control practices.
(R) Fish and wildlife plan.
(1) Resource information.
Each application shall include fish and wildlife resource information for the
permit area and adjacent area.
(a) The scope and level of detail for such information shall be
determined by the chief in consultation with state and federal agencies with
responsibilities for fish and wildlife and shall be sufficient to design the
protection and enhancement plan required under paragraph (R)(2) of this
rule.
(b) Site-specific resource information necessary to address the
respective species or habitats shall be required when the permit area or
adjacent area is likely to include:
(i) Listed or proposed
endangered or threatened species of plants or animals or their critical
habitats listed by the secretary of the interior under the Endangered Species
Act of 1973, as amended (16 U.S.C. 1531 et seq.), or those species or habitats
protected by similar state statutes;
(ii) Habitats of
unusually high value for fish and wildlife such as important streams, wetlands,
riparian areas, cliffs supporting raptors, areas offering special shelter or
protection, migration routes, or reproduction and wintering areas;
or
(iii) Other species or
habitats identified through agency consultation as requiring special protection
under state or federal law.
(2) Protection and
enhancement plan. Each application shall include a description of how, to the
extent possible using the best technology currently available, the operator
will minimize disturbances and adverse impacts on fish and wildlife and related
environmental values, including compliance with the Endangered Species Act,
during the surface coal mining and reclamation operations and how enhancement
of these resources will be achieved where practicable.
(a) This description shall:
(i) Be consistent with
the requirements of rule 1501:13-9-11 of the Administrative Code;
(ii) Apply, at a minimum,
to species and habitats identified under paragraph (R)(1) of this
rule;
(iii) Include protective
measures that will be used during the active mining phase of operation. Such
measures may include the establishment of buffer zones, the selective location
and special design of haul roads and powerlines, and the monitoring of surface
water quality and quantity; and
(iv) Include enhancement
measures that will be used during the reclamation and postmining phase of
operation to develop aquatic and terrestrial habitat. Such measures may include
restoration of streams and other wetlands, retention of ponds and impoundments,
establishment of vegetation for wildlife food and cover, and the replacement of
perches and nest boxes. Where the plan does not include enhancement measures, a
statement shall be given explaining why enhancement is not
practicable.
(3) Fish and wildlife
service review. Upon request, the chief shall provide the resource information
required under paragraph (R)(1) of this rule and the protection and enhancement
plan required under paragraph (R)(2) of this rule to the U.S. department of the
interior, fish and wildlife service regional or field office for their review.
This information shall be provided within ten days of receipt of the request
from the service.
(S) For dates of federal rules and
federal laws referenced in this rule, see rule 1501:13-1-14 of the
Administrative Code.