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ENERAL NOTE
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<br />( IN FEET)
<br />1 INCH = 150 FEET
<br />LEGEND:
<br />PROPOSED MAJOR CONTOUR 4820---
<br />PROPOSED MINOR CONTOUR - - 18
<br />EXISTING CONTOUR - - - -5013- - - -
<br />EXISTING RIGHT OF WAY - -
<br />PERMIT BOUNDARY �� ••�••�
<br />SURFACE WATER ----- - - - ----
<br />��-,�. EFFECTIVE 100 YEAR FLOODWAY ---- EF-Fw------.y_..n
<br />EFFECTIVE 100 YEAR FLOODPLAIN --- -- - -EF-FP ---
<br />FRENCH DRAIN
<br />• `�'� \�' ��. PAVED ROAD AREA
<br />RESERVIOR LINER NOTES
<br />1. PRIOR TO CONSTRUCTION, OVERBURDEN AND CLAYSTONE MATERIAL TESTING
<br />SHALL BE PERFORMED FOR USE IN FINAL DESIGN. THE FOLLOWING SPECIFICATIONS
<br />AND PROCEDURES ARE PROVIDED AS A GENERAL GUIDELINE FOR PERMITTING
<br />PURPOSES. FINAL SPECIFICATIONS AND DESIGN CRITERIA WILL BE DEVELOPED
<br />�l DURING THE FINAL DESIGN PROCESS.
<br />2. EACH LAYER OF FILL SHALL BE SCARIFIED TO ALLOW PROPER BONDING BETWEEN
<br />LAYERS.
<br />/ 3. DENSITY AND MOISTURE CONTENT TESTING SHALL BE PERFORMED AT A RATE OF 1
<br />(ONE) TEST FOR EACH 2,000 YARDS PLACED.
<br />EFFECTIVE F
<br />100 YEAR 4. ALL CLAY LINER MATERIAL SHALL BE COMPACTED TO A MINIMUM 95% ASTM-D698-78
<br />FLOODWAY STANDARD PROCTOR AT +2% OF OPTIMUM MOISTURE CONTENT.
<br />5. NO LINER MATERIAL SHALL BE PLACED IN THE LINER SLOPE WHILE EITHER THE
<br />MATERIAL, EMBANKMENT, OR FOUNDATION IS FROZEN AND NO ORGANIC MATERIAL
<br />SHALL BE PLACED IN THE LINER SLOPE.
<br />EFFECTIVE
<br />100 YEAR 6. EACH LAYER OR LIFT SHALL BE CONSTRUCTED CONTINUOUSLY AND
<br />FLOODPLAIN APPROXIMATELY HORIZONTAL FOR THE WIDTH AND LENGTH OF EACH LIFT.
<br />7. LINER MATERIAL SHALL BE COMPOSED OF CLAYEY OVERBURDEN AND WEATHERED
<br />CLAYSTONE THAT BREAKS DOWN DURING PROCESSING. BEDROCK MATERIAL SHALL
<br />BE RIPPED, MOISTURE TREATED, AND ALLOWED TO AIR SLAKE FOR A MINIMUM OF
<br />t ONE DAY PRIOR TO ITS PLACEMENT IN THE LINER. ALL BEDROCK MATERIAL SHALL
<br />HAVE A MINIMUM OF 75% PASS THE US STANDARD 200 SIEVE PRIOR TO PLACEMENT
<br />l _ IN THE EMBANKMENT.
<br />m 8. THE CLAY LINER MATERIAL SHALL BE MIXED IN THE EMBANKMENT AT THE RATIO OF
<br />4 (FOUR) PARTS CLAY OVERBURDEN TO I (ONE) PART SHALE BEDROCK MATERIAL.
<br />-o
<br />9. LINER MATERIAL SHALL BE PLACED IN A 9-INCH (MAXIMUM) LOOSE LIFT PRIOR TO
<br />COMPACTION.
<br />10. A CATERPILLAR 815 OR 825 SHEEPSFOOT COMPACTOR ( EQUIVALENT) UIVALENT SHALL BE
<br />�- USED FOR COMPACTING EFFORTS.
<br />11. THE COMPLETED LINER SHALL BE PROTECTED FROM DAMAGE CAUSED BY
<br />DESICCATION OR FREEZING TEMPERATURES BY PLACING RANDOM FILL OR A
<br />MINIMUM OF 12-INCHES PIT RUN MATERIAL ON THE ENTIRE SLOPE. ALL RANDOM FILL
<br />TO BE PLACED WITH A MAXIMUM 9-INCH LOOSE LIFT AND COMPACTED TO A
<br />P
<br />MINIMUM OF 95% ASTM-D698-78 STANDARD PROCTOR.
<br />X 12. ALL WEATHERED BEDROCK TO BE EXCAVATED AND REMOVED FROM THE CLAY
<br />LINER FOUNDATION. WEATHERED BEDROCK SHALL BE REMOVED UNTIL COMPETENT
<br />f BEDROCK (AS DETERMINED BY THE ONSITE ENGINEER) IS EXPOSED. THE BEDROCK
<br />I k i SHALL THEN BE SCARIFIED PRIOR TO THE PLACEMENT OF FILL MATERIAL.
<br />Ir
<br />I PX{ FLOODWAY DIVERSION BERM NOTES:
<br />P 1. BERM LOCATION AND ALIGNMENT MAY BE SHIFTED NORTH AS NEEDED WITHOUT
<br />I _ FLOODWAY IMPACT.
<br />2. BERM ELEVATION MAY BE HIGHER THAN INDICATED IF EXTRA OVERBURDEN
<br />I MATERIALS ARE AVAILABLE.
<br />I
<br />X 3. BERM WIDTH MAY BE WIDER THAN INDICATED WITHOUT FLOODWAY IMPACT IF
<br />ELEVATION IS NOT ABOVE EXISTING GROUND ELEVATION TO THE SOUTH.
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<br />RSION BE
<br />1. THIS TIMNATH CONNELL PIT AMENDMENT PROPOSES TO CHANGE THE RECLAMATION
<br />PLAN TO INCLUDE OPPORTUNITIES FOR FUTURE DEVELOPMENT CONSISTENT WITH
<br />THE ESTABLISHED TIMNATH ZONING DISTRICT AND THE PROPERTY OWNER
<br />PREFERENCES. THE AMENDMENT APPLICATION FORM INCLUDES A COMBINATION OF
<br />DEVELOPED WATER RESOURCES, INDUSTRIAL/COMMERCIAL, AND RESIDENTIAL
<br />POST -MINING LAND USES. FINAL RECLAMATION PROPOSES CREATION OF STABLE
<br />LANDFORMS TO SUPPORT THE ZONING DISTRICT ALLOWABLE LAND USES. THIS
<br />COMBINATION OF MINED LAND RECLAMATION BOARD (MLRB) FINAL LAND USES
<br />WILL ALLOW FUTURE DEVELOPMENT OF THE PROPERTY CONSISTENT WITH THE
<br />CURRENT TOWN OF TIMNATH ZONING DISTRICT, REGIONAL COMMERCIAL (RC). THE
<br />REGIONAL COMMERCIAL ZONING DISTRICT INCLUDES REGIONAL COMMERCIAL USES
<br />SUCH AS LARGE RETAIL ESTABLISHMENTS, BUSINESS AND LIGHT INDUSTRIAL USES,
<br />MEDICAL FACILITIES AND OFFICES, HIGHER DENSITY MULTI -FAMILY RESIDENTIAL,
<br />AND A CONTINUUM OF LIFE -CARE HOUSING OPTIONS.
<br />2. PHASE I MINING IS COMPLETE. THE PHASE I MINING AREA IS TO BE RECLAIMED WITH
<br />A COMBINATION OF BELOW -GRADE LINED RESERVOIR, RECHARGE PONDS, AND
<br />COMPACTED BACKFILL. THE RESERVOIR LINER CONSTRUCTION HAS BEEN
<br />COMPLETED ON THE WEST AND SOUTH SIDES OF THE MINING AREA.
<br />3. PHASE 2 MINING IS COMPLETE. THE PHASE 2 MINING AREA HAS BEEN BACKFILLED,
<br />COMPACTED, GRADED, AND SEEDED FOR REVEGETATION. SEEDING WAS
<br />ACCOMPLISHED WITH THE PREVIOUSLY APPROVED RECLAMATION SEED MIX. THE
<br />WEITZEL ROAD EXTENSION HAS BEEN CONSTRUCTED AND THE ROAD AND
<br />RIGHT-OF-WAY HAVE BEEN RELEASED FROM THE PERMIT AREA. THE RELOCATED
<br />BOX ELDER DITCH HAS ALSO BEEN CONSTRUCTED IN THE PHASE 2 MINING AREA.
<br />4. RECLAMATION WILL GENERALLY INCLUDE BACKFILLING, COMPACTING, GRADING,
<br />AND STABILIZATION OF AREAS PLANNED FOR FURTHER DEVELOPMENT FOLLOWING
<br />RELEASE FROM THE MLRB RECLAMATION PERMIT. MANY OF THE MINING AREAS
<br />HAVE BEEN, OR WILL BE, BACKFILLED TO ACCOMMODATE FUTURE
<br />INDUSTRIAL/COMMERCIAL OR RESIDENTIAL DEVELOPMENT BY PLACING
<br />STRUCTURAL OR OTHER APPROPRIATE FILL MATERIAL, COMPACTING FOR FUTURE
<br />STABILITY, AND GRADING FOR DEVELOPMENT NEEDS SUCH AS STORMWATER SEWER
<br />DESIGN AND CONSTRUCTION.
<br />5. AREAS OF PHASE I AND PHASE 2 THAT HAVE ALREADY BEEN BACKFILLED,
<br />COMPACTED, TOPSOILED, GRADED, AND SEEDED HAVE BEEN PLANTED WITH THE
<br />PREVIOUSLY APPROVED GRASS SEED MIX BELOW.
<br />Timnath Connell Pit Approved
<br />Revegetation Seed Mix
<br />Grass Species
<br />Rate
<br />(lbs PLS/acre)
<br />eatgrass,
<br />Thinspike
<br />5.5
<br />Grama, Sideoats
<br />2.5
<br />Switchgrass
<br />1.5
<br />TOTAL
<br />9.5
<br />Rates are for drill seeding. If broadcast
<br />seeding is used, double seeding rates.
<br />6. ALL AVAILABLE TOPSOIL AND OVERBURDEN MATERIAL WILL BE USED FOR
<br />RECLAMATION.
<br />7. SOME AREAS DISTURBED BY MINING ACTIVITIES WILL BE PREPARED WITH TOPSOIL
<br />AND REVEGETATED DURING RECLAMATION. ALTERNATIVELY, AREAS PLANNED FOR
<br />MORE IMMEDIATE MLRB PERMIT RELEASE AND DEVELOPMENT MAY BE BACKFILLED,
<br />COMPACTED, AND COVERED WITH SUITABLE SOIL STABILIZING MATERIAL SUCH AS
<br />HYDRO -MULCH, SOIL TACKIFIER, OR A LAYER OF ROCK TO MEET PERMIT RELEASE
<br />REQUIREMENTS.
<br />8. IF REVEGETATION OCCURS, IT WILL GENERATE A BLEND OF FAST GROWING,
<br />STABILIZING, GRASS SPECIES AND, GIVEN SUITABLE PRECIPITATION, SHOULD
<br />PRODUCE GOOD VEGETATION COVER OVER MUCH OF THE REVEGETATED AREA.
<br />ALTHOUGH MINE PITS WILL BE BACKFILLED, COMPACTED, AND GRADED TO BLEND
<br />INTO THE ADJACENT TOPOGRAPHY AND PROVIDE FUTURE DEVELOPMENT NEEDS, NO
<br />SLOPES WILL BE RECLAIMED ANY STEEPER THAN 3H:IV.
<br />8. THE NEW PROPOSED FAST GROWING, STABILIZING SEED MIXTURE FOR FUTURE
<br />REVEGETATION IS PROVIDED BELOW.
<br />Timnath Connell Pit Amendment
<br />Proposed Revegetation Seed Mix
<br />Grass Species
<br />Rate
<br />(lbs PLS/acre)
<br />nterme late
<br />Wheatgrass
<br />5
<br />Blue Grama
<br />1
<br />Triticale
<br />1.25
<br />TOTAL
<br />7.25
<br />Rates are for broadcast seeding.
<br />9. PERIODIC INSPECTION FOR NOXIOUS WEEDS, AT LEAST ONCE A YEAR EARLY IN THE
<br />SEASON, WILL BE DONE AS PART OF A WEED MANAGEMENT PLAN.
<br />10. BEST MANAGEMENT PRACTICES WILL BE USED TO CONTROL EROSION AND
<br />STORMWATER SUSPENDED SEDIMENT RUNOFF FROM THE SITE DURING
<br />RECLAMATION ACTIVITIES.
<br />15'
<br />RANDOM FILL
<br />�\ \ �CtSM0AbTE' 6 \ j -CLAY LINER V �, � 0.5 1
<br />5.0 (MIN.)
<br />10.0'
<br />RESERVOIR LINER
<br />MINE PIT
<br />FUTURE BELOW -GRAD RESERVOIR
<br />ROSS SECTION
<br />FRENCH
<br />DRAIN
<br />0
<br />UNDISTURBED
<br />SAND & GRAVEL
<br />WATER COLLECT
<br />PERMIT
<br />BOUNDARY
<br />6. 0' - 8'. 0'
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<br />Date:
<br />APRIL 2025
<br />Job No:
<br />590-004
<br />Drawn:
<br />M. MOKVYTS
<br />Design:
<br />M. MOKVYTS
<br />Checked: B.
<br />SCHENDERLEIN
<br />Scale:
<br />1 " = 150'
<br />Sheet:
<br />H
<br />NOT TO SCALE
<br />Of.
<br />
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