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HomeMy WebLinkAbout20230117_ADI_Received Anderson Engineering & Assoc., P.A. J b \ P.O. Box 1736 Larry Anderson, P.E. �Y'rrm;ef0 , _ 305NorthChippewa President Lumberton, NC 28359 Licensure No.:C-0793 January 11, 2023 Division of Energy, Mineral, & Land Resources Department of Environmental Quality � � � Attn: Adam Parr J`/ 1612 Mail Service Center Raleigh, NC 27699-1612 JAN 17 2023 Ref: Lynwood Estates, LLC - Singletary Pit LAND QUALITY Tar Heel, NC, Bladen County MINING PROGRAM Dear Mr. Parr, Please find enclosed the following information to complete the processing of the above- referenced application: • Two copies of the revised plans • Two copies of the revised mining application • One copy of the N01 - NPDES NCG02 application 1 have addressed the review comments as shown on the plans and described below. 1. An N01 for a NPDES NCG02 has been submitted for review. 2. The site will be reclaimed as a lake. 3. The acreage table has been updated to include unexcavated buffers in the disturbed area. 4. A copy of the NOl - NPDES NCG02 is included in this package. 5. The outfall locations of the dewatering basins have been clearly noted on the Site Plan. 6. The Permit Boundary has been moved so that the easement is no longer in the permit area. A 10' unexcavated buffer was added to the inside edge of the permit boundary. 7. County water is provided by Bladen County Water District for Tar Heel Road and Marshall Lane. Should you have any questions or need additional information, please feel free to contact me. Sincerely, L ONENGI EERING &ASSOCIATES, P.A. ylor Engineering Technician National Society of Enclosures Professional Engineers® NSPE Licensed Member Phone:(910)671-9530•Fax: (910)618-0838•E-mail:andersonengineeringpa@gmail.conz NORTH CAROLINA MINING State of North Carolina 1612 Mail Service Center PERMIT APPLICATION Department of Environmental Quality Raleigh, NC 27699-1612 Division of Energy,Mineral,and Land Resources (919)707-9220 NOTE:All the following questions must be thoroughly answered regarding your mining operation for the intended life of the mine.All responses must be clearly conveyed on a corresponding,detailed mine map. A.GENERAL CHARACTERISTICS OF THE MINE 1. Answer all the following that apply: ❑X This is an application for a NEW permit. Indicate the total acreage at the site to be covered by the permit 31.03 (This is the acreage the new permit fee will be based upon.) Of this acreage,how much is owned and how much is leased? Acres owned: 31.03 Acres leased: 0.00 Property owner if leased: El This is an application for a MODIFICATION to a mining permit. Mining Permit Number: Total permitted acreage: Does the modification involve acreage within the previously approved permitted boundary? YES F ]NO If yes,indicate the acreage to be covered by this modification Does the modification involve acreage outside the previously approved permitted boundary? YES EINO If yes, indicate the additional acreage to be covered by this modification NOTE:You must complete all of Section F of this application form entitled Notification of Adjoining Landowners Of the acreage to be added to the permit,will any portion be affected(i.e.:disturbed,ground cover removed by the mining operation? YES FIND If yes, indicate the acreage to be affected within the acreage to be added to the permit The modification fee is based upon the proposed new affected acreage within the previously approved permitted boundary plus the proposed total acreage to be added outside the previously approved permitted boundary. This is an application for TRANSFER of a mining permit. VF D Mining Permit Number: Total permitted acreage: JAN 17 2023 LAND QUA 7y MINING ?P,7j"-` - Revised September 21, 2021 F a g e 12 NORTH CAROLINA MINING State of North Carolina 1612 Mail Service Center PERMIT APPLICATION Department of Environmental Quality Raleigh,NC 27699-1612 Division of Energy,Mineral,and Land Resources (919)707-9220 MINING FEE SCHEDULE A nonrefundable permit application processing fee when filing for a new mining permit,permit modification,or transferred permit Is required as follows: APPLICATION TYPE 0—25 ACRES 26+ACRES New Permit Applications $3,750.00 $5,000.00 Permit Modifications $750.00 $1,000.00 Permit Transfers $100.00 $100.00 Annual Operating Fee $400.00 $400.00 Acres for new permits means the total acreage at the site to be covered by the permit Acres for modification of permits means the new affected acres within the previously approved permitted boundary plus the proposed total acreage to be added outside the previously approved permitted boundary. 2. Name of all materials mined: Sand 3. Mining Method: Hydraulic Dredge R Front-end Loader&Truck Shovel&Truck Dragline&Truck Self-loading Scraper Excavator&Truck Other(please explain): 4. Expected maximum depth of mine(feet)20 Depth is relative to what benchmark?(e.g.,natural ground level,mean seal level,road elevation,etc.): Natural Ground Expected average depth of mine(feet) 20 5. Has an area at this site been mined in the past? YE NO I If yes,when and by whom was this activity conducted? 6. Estimated life of the operation(years): 20 NOTE:The Department may request clarification on how life of mine was calculated. Revised September 21, .02i F a c e 3 NORTH CAROLINA MINING State of North Carolina 1612 Mail Service Center PERMIT APPLICATION Department of Environmental Quality Raleigh,NC 27699-1612 Division of Energy,Mineral,and Land Resources (919)707-9220 B.MAPS 1. Clearly mark and label the location of your mining operation on six(6)copies of a 7.5-minute quadrangle and a county highway map.These maps,in addition to six(6)copies of all mine maps and reclamation maps,must be submitted with each permit application. 7.5-minute quadrangles may be obtained from the N.C.Geological Survey: Mailing Address Physical Address 1612 Mail Service Center 512 N.Salisbury St.,5th Floor Raleigh,NC 27699-1612 Raleigh,NC 27604 Http://oortal.ncdenr.or /wc�eb/Ir/geological home (919)733-2423 County highway maps may be obtained from the N.C.Department of Transportation: Mailing Address Physical Address NCDOT GIS Unit NCDOT GIS Unit 1587 Mail Service Center 3401 Carl Sandburg Court Raleigh,NC 27699-1587 Raleigh,NC 27610 hftp://www.ncdot.rg/it/gis (919)212-6000 2. A table/chart must be provided on the mine map that clearly lists the approximate acreage of tailings/sediment ponds, stockpiles,waste piles,processing areas/haul roads,mine excavations and any other major aspect of the mining operation that is proposed to be affected/disturbed during the life of the mining permit.A table/chart similar to the following will be acceptable: AFFECTED ACREAGE TABLE: For new permits,complete only the total affected acreage column. For modifications,complete all columns. CATEGORY CURRENT AFFECTED PROPOSED CHANGE TO TOTAL AFFECTED ACREAGE AFFECTED ACREAGE ACREAGE Tailings/Sediment Ponds 0.29 Stockpiles 0.50 Waste piles Processing Areas/Haul Roads 0.71 Mine Excavations 24.84 Other(Please explain) 2.49 Total Affected Acreage 28.83 Total Permitted Acreage 31.03 Revised September 21 20121 G a o e 14 NORTH CAROLINA MINING State of North Carolina 1612 Mail Service Center PERMIT APPLICATION Department of Environmental Quality Raleigh,NC 27699-1612 Division of Energy,Mineral,and Land Resources (919)707-9220 3. Mine maps must be accurate and appropriately scaled drawings,aerial photographs,or enlarged topographic maps of the entire mine site.All aspects of the mine site must be clearly labeled on the maps along with their corresponding(approximate)acreage.Thus,all mine and reclamation maps must denote those activities that are intended to be conducted during the life of the mining permit.All maps must be of a scale sufficient to clearly illustrate the following,at a minimum: a) Property lines of the tract or tracts of land on which the proposed mining activity is to be located including easements and rights-of-way. b) Existing or proposed permit boundaries with geographic controls(e.g.metes and bounds,coordinates)labeled c) Initial and ultimate limits of clearing and grading d) Outline and width of all buffer zones(both undisturbed and unexcavated) e) Outline and acreage of all pits/excavations f) Outline and acreage of all stockpile areas g) Outline and acreage of all temporary and/or permanent overburden disposal areas h) Location and acreage of all processing plants(may be described as to location and distance from mine if sufficiently far removed) i) Locations and names of all streams,rivers,and lakes j) Outline and acreage of all settling and/or processing wastewater ponds k) Outline and acreage of all planned and existing access roads and on-site haul roads 1) Location of planned and exisfing on-site buildings m) Location and dimensions of all proposed sediment and erosion control measures n) Location of 100-year floodplain limits and wetland boundaries o) Names of owners of record,both public and private,of all tracts of land that are adjoining the mining permit boundary;if an adjoining tract is owned or leased by the applicant or is owned by the lessor of the mine tract, names of owners of record of tracts adjoining these tracts that are within 1,000 feet of the mining permit boundary must be provided on the mine map. p) Names of owners of record,both public and private,of all tracts of land that are adjoining the mining permit boundary which lie directly across and are contiguous to any highway,creek,stream,river,or other watercourse, railroad track,or utility or other public right-of-way. If an adjoining tract is owned or leased by the applicant or is owned by the lessor of the mine tract,names of owners of record of tracts adjoining these tracts,that are within 1,000 feet of the mining permit boundary,must be provided on the mine map(s).NOTE:"Highway"means a road that has four lanes of travel or less and is not designated as an Interstate Highway. q) Map legend 1) Applicant name 5) Scale 2) Mine name 6) Symbols used and corresponding names 3) North arrow 7) Date prepared and revised 4) County 8) Name and title of person preparing map Map scales should meet the following guidelines: PERMITTED ACREAGE MAP SCALE 0—49 acres 1'=50' 50—199 acres 1"=100' 200+acres 1"=200' NOTE.Smaller scaled maps may be acceptable if they clearly illustrate the above items. NOTE:In addition to the above,the maps must also include any site-specific information that is provided in the answers to the following questions(italicized questions/statements)in this application form.This application will not be considered complete without all relevant items being adequately addressed on the mine maps. Revised September 21, 2021 a, c e � 5 NORTH CAROLINA MINING State of North Carolina 1612 Mail Service Center PERMIT APPLICATION Department of Environmental Quality Raleigh,NC 27699-1612 Division of Energy,Mineral,and Land Resources (919)707-9220 C.PROTECTION OF NATURAL RESOURCES 1. Describe in detail the sequence of events for the development and operation of the mine and reference the sequence to the mine map(s).Attach additional sheets as needed. 1.OBTAIN PLAN APPROVAL 3 ALL OTHER APPLICABLE PERMITS. 15.PROVIDE GROUND STABILIZATION BY TEMPORARY SEEDING 2.FLAG CONSTRUCTION LIMITS. ALL CUTIFILL SLOPES WITHIN 7 DAYS OF COMPLETION OF GRADING. 3.INSTALL GRAVEL CONSTRUCTION ENTRANCEIEXIT d INSTALL 16.INSTALL DEWATERING PUMP TO DISCHARGE INTO DEWATERING BASIN, GATE WITH LOCK AS INDICATED ON DRAWING. 17.AFTER COMPLETION OF MINING.KNOCK DOWN BERMS AND DRESS UP AREAS 4.INSTALL SEDIMENT FENCE AS INDICATED ON DRAWING. AROUND PIT.SLOPE BANKS OF PIT TO 3:1 MAX.SIDE SLOPES.STOCK POND WITH FISH. 5.CLEAR AND GRUB SITE.STOCKPILE TOPSOIL 6 MATERIAL. 18.COMPLETE FINAL GRADING OF LANDS TO DRAIN INTO PIT. 6,CONSTRUCT BERMS FROM STOCKPILE OVERBURDEN 19,PREPARE GROUND FOR SEEDING.LIME AND FERTILIZING. T.PREPARE BERMS FOR SEEDING,LIME.AND FERTILIZING. 20.COMLETE SEEDING.LIME,AND FERTILIZING AS NECESSARY TO ENSURE B.COMPLETE SEEING,LIME,AND FERTILIZING.RE-SEED AS REQUIRED ADEQUATE COVERAGE OF PERMAENT GROUND COVER ON ALL 9.EXCAVATE AND CONSTRUCT DEWATERING BASIN IN PHASE 1. DISTURBED AREAS AND CUTMLL SLOPES, 10.BEGIN EXCAVATING MINE PIT'PHASE 1'. 20.RE-SEE AS REQUIRED. 11 PROVIDE GROUND STABILIZATION BY TEMPORARY SEEDING 21.REMOVE TEMPORARY SEDIMENT FENCE WHEN SITE IS STABILIZED AND PERMANENT ALL CUTIFILL SLOPES WITHIN 7 DAYS OF COMPLETION OF GRADING, GROUND COVER IS APPROPRIATELY ESTABLISHED. 12,INSTALL DEWATERING PUMP TO DISCHARGE INTO DEWATERING BASIN. 13.EXCAVATE 6 CONSTRUCT DEWATERING BASIN IN PHASE 14.BEGIN EXCAVATING MINE PIT'PHASE II'. 2. Describe specific erosion control measures to be installed prior to land disturbing activities and during mining to prevent offsite sedimentation(include specific plans for sediment and erosion control for mine excavation(s), waste piles,access/mine roads,and process areas),and give a detailed sequence of installation and schedule for maintenance of the measures.Locate and label all sediment and erosion control measures on the mine map(s)and provide typical cross-sections/construction details of each measure.Engineering designs and calculations are required to justify the adequacy of any proposed measures. 1. Install temporary sediment fence 2. Install gravel construction entrance/exit 3. Install pipe inlet protection & rip rap apron 4. Construct berm and provide seeding & mulching 5. Temporary seeding and mulching of any waste/stockpile remaining in place for 21 days or more. 3. A)Will the operation involve wash in the material mined,recycling process water,or other wastewater handling? 1-1 YES X NO If yes,briefly describe all such processes including any chemicals to be used. B)Will the operation involve discharging fresh or wastewater from the mine or plant as a point discharge to the waters of the State?1:1YES FX If yes,briefly describe the nature of the discharge and locate all proposed discharge points(along with their method of stabilization)on the mine map(s). Revised September 21, 2021 Page 16 NORTH CAROLINA MINING State of North Carolina 1612 Mail Service Center PERMIT APPLICATION Department of Environmental Quality Raleigh,NC 27699-1612 Division of Energy,Mineral,and Land Resources (919)707-9220 C)Will any part of the proposed mine excavation(s)extend below the water table? FX_1YES F� NO If yes,do you intend to dewater the excavation(s)? a YES FINO Estimated withdrawal rate in gallons per day: 4,000.00 If yes,what impact,if any,will mine dewatering have on neighboring wells?Locate all existing wells on the mine map(s)that lie within 500 feet of the proposed excavation area. Provide data to support any conclusions or statement made,including any monitoring well data,well construction data,and current water withdrawal rates. Indicate whether the proposed mine locale is served by a public water system or private wells. WATER IS PROVIDED BY BLADEN COUNTY WATER DISTRICT. D)If you answered yes to any of the above questions,provide evidence that you have applied for or obtained the appropriate water quality permit(s)(i.e.,non-discharge,NPDES,Stormwater,etc.)from the Stormwater Program.In addition,the applicant is required to register water use with the Division of Water Resources,Ground Water Management Branch,if the operation withdraws more than 10,000 gallons per day and needs a capacity use permit from the Division of Water Resources,Ground Water Management Branch,if the operation lies in a capacity use area and withdraws more than 100,000 gallons per day. See enclosed copy of NCG02 application. 4. A)Will the operation involve crushing or any other air contaminant emissions? F] YES a N0 If yes,indicate evidence that you have applied for or obtained an air quality permit issued by the Division of Air Quality or local governing body. B)How will dust from stockpiles,haul roads,etc.,be controlled? The stockpiles, haul roads, etc., will be soaked with water when necessary to control dust. Pevised September 21, 2021 7 NORTH CAROLINA MINING State of North Carolina 1612 Mail Service Center PERMIT APPLICATION Department of Environmental Quality Raleigh,NC 27699-1612 Division of Energy,Mineral,and Land Resources (919)707-9220 5. A)A buffer will be required between any mining activity and any mining permit boundary or right-of-way.It may be an unexcavated buffer(no excavation,but roadways,berms,and erosion&sedimentation control measures may be installed within it),an undisturbed buffer(no disturbance within the buffer whatsoever),or a combination of the two, depending upon the site conditions.Note that all buffers must be located within the mining permit boundaries. How wide a buffer will be maintained between any mining activity and any mining permit boundary or right-of-way at this site?A minimum buffer of 25 feet is recommended,although a wider buffer may be needed depending on site conditions.Show all buffer locations and widths on the mine map(s). The north and west boundaries have a 30' unexcavated buffer. The east boundary has a 10' unexcavated buffer. The south boundary has a 188' and 144.40' undisturbed buffer and a 5' unexcavated buffer at the wetlands. The haul road has a 5' unexcavated buffer on the east side. The existing ditch has a 10' unexcavated buffer on the west side. Please see enclosed plans. B)A minimum 50 foot wide undisturbed buffer will be required between any land disturbing activities within the mining permit boundaries and any natural watercourses and wetlands unless smaller undisturbed buffers can be justified. Depending on site conditions,a buffer wider than 50 feet may be needed. How wide an undisturbed buffer will be maintained between any land disturbing activities within the mining permit boundaries and any natural watercourses and wetlands at this site?Show all buffer locations and widths on the mine map(s). There is a 188' and 144.40' undisturbed buffer and 5' unexcavated buffer at the wetlands. Please see enclosed plans. 6. A)Describe methods to prevent landslide or slope instability adjacent to adjoining permit boundaries during mining. Minimum 2 horizontal to 1 vertical slopes or flatter for clayey material and minimum 3 horizontal to 1 vertical slopes or flatter for sandy material are generally required unless technical justification can be provided to allow steeper slopes. A minimum 3:1 side slope shall be maintained around the perimeter of the mine. A 10' bench will be constructed at 10' depth. Slopes above the water level will be seeded according to the turfing schedule. B)Provide a cross-section on the mine map(s)for all fill slopes(berms, waste piles,overburden disposal areas,etc.), clearly indicating the intended side slope gradient,installation of any benches and/or slope drains(with supporting design information)if needed,and the method of final stabilization. Revised September 21, 2021 r a g e 18 NORTH CAROLINA MINING State of North Carolina 1612 Mail Service Center PERMIT APPLICATION Department of Environmental Quality Raleigh,NC 27699-1612 Division of Energy,Mineral,and Land Resources (919)707-9220 C)In excavation(s)of unconsolidated(non-rock)materials,specify the angle of all cut slopes including specifications for benching and sloping. Cross-sections for all cut slopes must be provided on the mine map(s). See enclosed plans. D)In hardrock excavations,specify proposed bench widths and heights in feet.Provide cross-sections of the mine excavation clearly noting the angles of the cut slopes, widths of all safety benches and mine benches,and the expected maximum depth of the excavation. NIA 7. Describe other methods to be taken during mining to prevent physical hazard to any neighboring dwelling,house, public road,or public,commercial or industrial building from any mine excavation.Locate all such structures on the mine map if they are within 300 feet of any proposed excavation. Vegetated earthen berms will be constructed on the north and west sides of the mine boundary. A gate with a lock will be installed at the entrance to the mine along with a fence across the front of the property. 8. Describe what kind of barricade will be used to prevent inadvertent public access along any high wall area and when it will be implemented.Vegetated earthen berms,appropriate fencing and adequate boulder barriers may be acceptable high wall barricades.A construction detaillcross-section and location of each type of barricade to be used must be indicated on the mine map(s). Vegetated earthern berms, fencing, gate with lock 9. Are ff roducing minerals or soils present? YES FX]NO If yes,how will acid water pollution from the excavation,stockpiles,and waste areas be controlled? ►e-vi,,ed Septe►nber 21, 2021 rage 19 NORTH CAROLINA MINING State of North Carolina 1612 Mail Service Center PERMIT APPLICATION Department of Environmental Quality Raleigh,NC 27699-1612 Division of Energy,Mineral,and Land Resources (919)707-9220 10. A)Describe specific plans(including a schedule of implementation)for screening the operation from public view such as maintaining or planting trees,bushes or other vegetation,building berms or other measures.Show the location of all visual screening on the mine map(s)and provide cross-sections through all proposed berms or proposed spacing, sizes and species for tree plantings. Berms will be constructed along the north and west property lines with tall screening bushes. The east side has an existing woodsline that is outside of the permit boundary and shall remain undisturbed. See enclosed plans. B)Could the operation have a significantly adverse effect on the purposes of a publicly owned park,forest,or recreation area?If so,how will such effects(i.e.,noise,visibility,etc.)be mitigated? No 11. Will explosives be used?F] YES IXNO If yes,specify the types of explosive(s)and describe what precaution(s)will be used to prevent physical hazard to persons or neighboring property from flying rocks or excessive air blasts or ground vibrations.Depending on the mine's location to nearby structures,more detailed technical information may be required on the blasting program(such as a third-party blasting study).Locate the nearest oftite occupied structure(s)to the proposed excavation(s)on the mine map and indicate its approximate distance to the proposed excavation. 12. Will fuel tanks,solvents,or other chemical reagents be stored on-site? FIYES VNO If yes,describe these materials,how they will be stored and method of containment in case of spill.Indicate the location(s)of all storage facilities on the mine map(s). Revised September 21, 12,U21. P a g e 1 10 NORTH CAROLINA MINING State of North Carolina 1612 Mail Service Center PERMIT APPLICATION Department of Environmental Quality Raleigh,NC 27699-1612 Division of Energy,Mineral,and Land Resources (919)707-9220 D.RECLAMATION PLAN 1. Describe your intended plan for the final reclamation and subsequent use of all affected lands and indicate the sequence and general methods to be used in reclaiming this land.This must include the method of reclamation of settling ponds and/or sediment control basins and the method of restoration or establishment of any permanent drainage channels to a condition minimizing erosion,siltation and other pollution. This information must be illustrated on a reclamation map and must correspond directly with the information provided on the mine map(s).In addition, design information,including typical cross-sections,of any permanent channels to be constructed as part of the reclamation plan and the location(s)of all permanent channels must be indicated on the reclamation map. Once mining activities are complete, all berms will be knocked down and graded properly. All disturbed areas will be seeded and established, reseeding as required. 2. Is an excavated or impounded body of water to be left as part of the reclamation? FX-1YES F]NO If yes,illustrate the location of the body(s)of water on the reclamation map and provide a scaled cross-sections) through the proposed body(s)of water.The minimum water depth must be at least 4 feet,measured from the normal low water table elevation,unless information is provided to indicate that a shallower water body will be productive and beneficial at this site. Will the body(s)of water be stocked with fish? a YES FINO If yes,specify species. Brim, Bass, Catfish 3. Describe provisions for safety to persons and to adjoining property in all completed excavations in rock including what kind of permanent barricade will be left.Acceptable permanent barricades are appropriate fencing,large boulders placed end-to-end,etc.Construction details and locations of all permanent barricades must be shown on the reclamation map. NIA Revised Septerinrer 21, 2021 a g e ( 11 NORTH CAROLINA MINING State of North Carolina 1612 Mail Service Center PERMIT APPLICATION Department of Environmental Quality Raleigh,NC 27699-1612 Division of Energy,Mineral,and Land Resources (919)707-9220 4. Indicate the method(s)of reclamation of overburden,refuse,spoil banks or other such on-site mine waste areas, including specifications for benching and sloping.Final cross-sections and locations for such areas must be provided on the reclamation map. All overburden will be knocked down and fine graded on site. 5. A)Describe reclamation of processing facilities,stockpile areas,and on-site roadways. All stockpiles will be fine graded and seeded. B)Will any on-site roadways be left as part of the reclamation? AYES FIN 0 If yes,identify such roadways on the reclamation map and provide details on pemtanent road and ditch line stabilization. The haul road will remain. The haul road will be graded to drain to the inside of the pit. The gate with lock will remain. No further improvements will be made. 6. Describe the method of control of contaminants and disposal of scrap metal,junk machinery,cables,or other such waste products of mining.(Note definition of refuse in The Mining Act of 1971.) No off-site generated waste shall be disposed of on the mine site without prior written approval from the NC Department of Environmental Quality,Division of Energy,Mineral,and Land Resources and either the Division of Waste Management(DWM)or local governing body.If a disposal permit has been issued by DWM for the site,a copy of said permit must be attached to this application.All temporary and permanent refuse disposal areas must be clearly delineated on the mine map(s)and reclamation map,along with a list of items to be disposed in said areas. There will be no such areas at this location. Revised Septernber 21, 21021 a g e 1 12 NORTH CAROLINA MINING State of North Carolina 1612 Mail Service Center PERMIT APPLICATION Department of Environmental Quality Raleigh,NC 27699-1612 Division of Energy,Mineral,and Land Resources (919)707-9220 7. Describe your plan for revegetation or other surface treatment of the affected areas.This plan must include recommendations for year-round seeding,including the time of seeding and the amount and type of seed,fertilizer, lime and mulch per acre.The recommendations must include general seeding instructions for both permanent and temporary revegetation.Revegetation utilizing only tree plantings is not acceptable.Recommendations can be sought from: a. Authorized representatives of the local Soil and Water Conservation District; b. Authorized representatives of the NC Forest Service,Department of Agriculture and Consumer Services; c. Authorized county representatives of the North Carolina Cooperative Extension Service,specialists and research faculty with the Colleges of Agriculture and Life Sciences and Forest Resources at North Carolina State University; d. North Carolina licensed landscape architects; e. Private consulting foresters referred by the NC Forest Service,Department of Agriculture and Consumer Services; f. N.C.Erosion and Sedimentation Control Planning and Design Manual; g. N.C.Surface Mining Manual:A Guide for Permitting,Operation and Reclamation; h. Others as may be approved by the Department. Lime Rate of Application(tonslacre): 1 ton/acre Fertilizer Analysis and Rate of Application(Ibslacre): 1,000!bs/acre Seed type(s)and rate(s)of application included year-round seeding schedule(Ibslacre): NOTE:Include legumes SEED TYPES SEEDING DATES SEEDING RATES TEMPORARY: RYE(GRAIN) OCT 1-MARCH 1 5 LBS/1,000 SF TEMPORARY: BERMUDA OCT 1-MARCH 1 1/2 LBS/1,000 SF TEMPORARY: UNHULLED BERMUDA OCT 1-MARCH 1 1/2 LBS/1,000 SF TEMPORARY: FESCUE OCT 1-MARCH 1 5 LBS/1,000 SF PERMANENT:BROWN TOP MILLET MARCH 2-SEPT 30 5 LBS/1,000 SF PERMANENT:BERMUDA MARCH 2-SEPT 30 1 LBS/1,000 SF PERMANENT: FESCUE MARCH 2-SEPT 30 5 LBS/1,000 SF Mulch Type,Rate of Application(lbs/acre),and Method of Anchoring: Grain straw will be applied over seed areas as mulch. 4,000 Ibs/acre seeding rate and tacked with liquid asphalt Other Vegetative Cover(s)Type(s)and Rate(s)of Application Including Seeding Schedule(Ibslacre,trees/ acre,spacing of trees/shrubs,etc.): Revegetation and/or reforestation plan approved by: Signature Date Print Name Title Agency Revised September 21, 2C21 P a g e 113 NORTH CAROLINA MINING State of North Carolina 1612 Mail Service Center PERMIT APPLICATION Department of Environmental Quality Raleigh,NC 27699-1612 Division of Energy,Mineral,and Land Resources (919)707-9220 E.DETERMINATION OF AFFECTED ACREAGE AND BOND The following bond calculation worksheet is to be used to establish an appropriate bond(based upon a range of$500 to$5,000 per affected acre)for each permitted mine site based upon the acreage approved by the Department to be affected during the life of the mining permit.Please insert the approximate acreage,for each aspect of the mining operation,that you intend to affect during the life of this mining permit(in addition,please insert the appropriate reclamation cost/acre for each category from the Schedule of Reclamation Costs provided with this application form)OR you can defer to the Department to calculate vour bond for you based upon your maps and standard reclamation costs: CATEGORY AFFECTED RECLAMATION RECLAMATION ACREAGE COSTIACRE COST Tailings/Sediment Ponds 0.29 Ac. X $ 500 /Ac. _ $ 145.00 Stockpiles 0.50 Ac. X $ 1,800 /Ac. _ $900.00 Waste Piles 0.00 Ac. X $ 2,000 lAc. _ $ 0.00 Processing Area/Haul Roads 0.71 Ac. X $ 1,800 /Ac. _ $ 1,278.00 Mine Excavation 24.84 Ac. X $ 500 /Ac. _ $ 12,420.00 Other 2.49 Ac. X $ /Ac. _ $ 0.00 TOTAL AFFECTED AC.: 28.83 Ac. TOTAL PERMITTED AC.: 31.03 Ac. Temporary&Permanent Sedimentation&Erosion Control Measures: Divide the TOTAL AFFECTED AC.above into the following two categories:a)affected acres that drain into proposed/existing excavation and/or b)affected acres that will be graded for positive drainage where measures will be needed to prevent offsite sedimentation and sedimentation to onsite watercourses and wetlands. a) Internal Drainage 28.83 Ac. b) Positive Drainage Ac. X $1,500.00 = $ 0.00 SUBTOTAL COST:$ 14,743.00 Inflation Factor: SUBTOTAL COST LIFE OF MINING OPERATION OR LIFE INFLATION COST OF LEASE(YEARS) 0.02 X $ 14,743.00 X 20 = $ 5,897.20 Total Reclamation Bond Cost: TOTAL RECLAMATION BOND COST= SUBTOTAL+INFLATION = $20,600.00 Round down to the nearest$100.00 NOTE:The reclamation bond cannot exceed$1 million per GS 74-54 Revised September 21; 11021 F 8 1- e ) 14 NORTH CAROLINA MINING State of North Carolina 1612 Mail Service Center PERMIT APPLICATION Department of Environmental Quality Raleigh,NC 27699-1612 Division of Energy,Mineral,and Land Resources (919)707-9220 SCHEDULE OF RECLAMATION COSTS Based upon range of$500-$5,000 per affected acre COMMODITY CODES: SG Sand and/or Gravel DS Dimension Stone PF Pyrophyllite CL Clay/Shale GS Gemstone FS Feldspar OL Olivine PE Peat Borrow Borrow/fill dirt MI Mica KY Kyanite/Sillimanite/Andalusite AU Gold CS Crushed Stone LI Lithium PH Phosphate TI Titanium OT Other TYPE T/S PONDS STOCKPILES WASTE PILES P.AREA/H.R. MINE EXCAVATION SG,GS,Borrow $500/ac.(L) $1800/ac. $2000/ac. $1800/ac. $500/ac.(L) 1500(FI) 2000(PD) CS,DS,FS,MI,LI, 500(L) 1800 2000 2000 500(L) PF,OL,KY 1500(FI) 2500(PD) 1000(L) 2000(L) PH 2500 5000 5000 2500(FI) 5000(PD) 1000(L) 2000(L) CL 2500 5000 5000 2500(Fl) 3700(PD) 1000(L) 2000(L) PE,AU,TI,OT 2500(FI) 2500 3000 3500 5000(PD) (L)=Reclamation to a lake and revegetating side slopes (FI)=Reclamation by filling in and revegetating (PD)=Reclamation by grading for positive drainage&revegetating AS PER NCAC 15A 5B.0003,IF YOU DISAGREE WITH THE BOND AMOUNT DETERMINED BY THE BOND CALCULATION WORKSHEET,YOU MAY SUBMIT AN ESTIMATE OF RECLAMATION COSTS FROM A THIRD-PARTY CONTRACTOR. SAID ESTIMATE MUST BE PROVIDED WITHIN 30 DAYS TO THE FOLLOWING ADDRESS: Mining Program,1612 Mail Service Center,Raleigh,North Carolina 27699.1612 ALL ESTIMATES MUST INCLUDE THE FOLLOWING,AS A MINIMUM: •FINAL GRADING COSTS PER ACRE •LIME AND FERTILIZER COSTS PER ACRE •YEAR-ROUND SEEDING MIXTURE COSTS PER ACRE(FROM APPROVED REVEGETATION PLAN IN APPLICATIONIPERMIT DOCUMENT) •MULCH AND ANCHORING COSTS PER ACRE •ANY OTHER RECLAMATION COSTS NECESSARY TO COMPLY WITH THE APPROVED RECLAMATION PLAN FOR THE SITE IN QUESTION YOU WILL BE NOTIFIED AS SOON AS POSSIBLE OF THE DIRECTOR'S FINAL BOND DETERMINATION. Revised September 21, Z021 P a n e 115 NORTH CAROLINA MINING State of North Carolina 1612 Mail Service Center PERMIT APPLICATION Department of Environmental Quality Raleigh,NC 27699-1612 Division of Energy,Mineral,and Land Resources (919)707-9220 F.NOTIFICATION OF ADJOINING LANDOWNERS The"Notice"form,or a facsimile thereof,attached to this application must be sent certified or registered mail,return receipt requested,to: (1)the chief administrative officer of each county and municipality in which any part of the permitted area is located as indicated on the mine map(s); (2)all owners of record,both public and private,of all tracts of land that are adjoining the mining permit boundary;if an adjoining tract is owned or leased by the applicant or is owned by the lessor of the mine tract,all owners of record of tracts adjoining these tracts must be notified(that are within 1,000 feet of the mining permit boundary)as indicated on the mine map(s);and (3)all owners of record,both public and private,of all tracts of land that are adjoining the mining permit boundary which lie directly across and are contiguous to any highway,creek,stream,river,or other watercourse,railroad track, or utility or other public right-of-way.If an adjoining tract is owned or leased by the applicant or is owned by the lessor of the mine tract,all owners of record of tracts adjoining these tracts must be notified(that are within 1,000 feet of the mining permit boundary)as indicated on the mine map(s)."Highway"means a road that has four lanes of travel or less and is not designated as an Interstate Highway. The only exception to the above method of giving notice is if another means of notice is approved in advance by the Director, Division of Energy,Mineral,and Land Resources. A copy of a tax map(or other alternative acceptable to the Department)must be mailed with the completed"Notice"form(the proposed overall permit boundaries and the names and locations of all owners of record of lands adjoining said boundaries must be clearly denoted on the tax map). The"Affidavit of Notification"attached to this application must be completed,notarized and submitted to the Department,with the remainder of the completed application form before the application will be considered complete. NOTES: THIS SECTION MUST BE COMPLETED FOR ALL APPLICATIONS FOR NEW MINING PERMITS AND ALL MODIFICATIONS OF A MINING PERMIT TO ADD LAND TO THE PERMITTED AREA,AS REQUIRED BY NCGS 74-50(b1). SEE THE NEXT TWO PAGES FOR THE"NOTICE"FORM AND THE"AFFIDAVIT OF NOTIFICATION" Revsed September 21, 2,132 1 a c e 116 t Division of Energy, Mineral, and Land Resources Land Quality Section National Pollutant Discharge Elimination System NCG020000 This general permit covers STORMWATERAND/OR WASTEWATER DISCHARGES FOR AGENCY USE ONLY associated with activities under SIC(Standard Industrial Classification)Code 14 Date Received [Mineral Mining Industry]except for:peat mining, coal mining, metal mining, Year I Month I Day oil and gas extraction, tourist gem mines, NCDOT borrow pits, in-stream sand mining, and discharges from mining operations which are intermixed on site Certificate of Coverage with stormwater from concrete operations. You can find information on the DEMLRStormwaterProgramatdeq.nc.gov/SW NTC Check101 Amount Directions: Print or type all entries on this application form. Send the original, permit Assigned to signed application with all required items listed in Item(9) below to: NCDEMLR Stormwater Program,512 N.Salisbury St.,1612 MSC, Raleigh,NC 27699-1612. The submission of this form does not guarantee coverage under the General Permit. Prior to coverage under this General Permit a site inspection will be conducted. 1. Owner/Operator(to whom all permit correspondence will be mailed): Name of legal organizational entity: Legally responsible person as signed in Item(10)below: LYNWOOD ESTATES,LLC KODEY L.SINGLETARY Street address: City: State and zip code: 1901 TAR HEEL ROAD TAR HEEL NC 28392 Telephone number: Email address: 910-991-6401' kDde si lets 11 y ng ry @gmail.mm 2. Industrial Facility(facility being permitted): Facility name: Facility environmental contact: SINGLETARY PIT KODEY SINGLETARY Street address: City: State and zip code: 1901 TAR HEEL ROAD TAR HEEL NC 28392 Telephone Number: Email address: 910-991.6401 kodeysinglete 11 ry @gmail.mm Latitude Of entrance: 34.7191 Longitude of entrance: -78.8191 Parcel Identification Number(PIN) 035500424055 4-digit SIC code: Facility is: Date operation is to begin or began: ❑New R]Proposed []Existing FEBRUARY 2023 Brief description of the types of minerals mined at this facility: SAND Is this a processing-only facility for materials mined elsewhere? Is this an inactive mine site? ❑Yes ❑Yes p� []No ❑v No REa[P-�� cmv Does total area of this mine site include ready-mixed concrete plant and/or asphalt plant areas? ❑Yes,and has separate NPDES stormwater permits(provide permit numbers): JAN 17 2023 Dyes,and does not have separate NPDES stormwater permits ONO LAND QUALITY Does this facility already have a valid Mining Permitfrom DEMLR's Land quality Section? HROGRAM ❑Yes(please provide the Mining Permit Number) Q No(please indicate the status of the Mining Permit application)APPLICATION IS BEING REVIEWED Page 1 of 8 Are you applying for a discharge permit in the same location as a previously permitted mine? ❑Yes(please provide permit number and mine name) El No If the stormwater discharges to a municipal separate storm sewer system(MS4),name the operator of the MS4: ❑N/A 3. Consultant(if applicable): Name of consultant: Consulting firm: LARRY W.ANDERSON,PE ANDERSON ENGINEERING&ASSOCIATES,P.A. Street address: City: State and zip code: 305 N.CHIPPEWA STREET LUMBERTON NC 28358 Telephone number: Email address: 910-671-9530 andersonengineehngpa@gmail.com 4. Development Activities and Buffers Mining operation will precede development activities at this site: ❑Yes �]✓ No Mine is located within one of the 20 Coastal Counties,and will it add more than 10,000 ft2 of impervious surface: []Yes(to both) ❑No,this mine is within one of the 20 Coastal Counties,but will not at more than 10,000 ft2 of impervious surface ✓�No,this mine is not within one of the 20 Coastal Counties Mine is in the Neuse,Tar-Pamlico,or Catawba River Basins,OR in the Randleman or Jordan Water supply Watersheds? [:]Yes(specify size of stream buffers) No S. Mine Dewaterin Mine dewatering will occur at this site: Q Yes ❑No(mark N/A for the rest of this section) Mine dewatering from this facility will be discharged to: r []Surface Waters and/or Wetlands DOther(specify) Mine will not discharge dewatering to Surface Waters and/or Wetlands;specify how dewatering will occur and where water will be directed:THROUGH A DEWATERING BASIN THAT DISCHARGES TO AN EXISTING FARM DITCH ON SITE []N/A Wetlands and/or Surface Waters are within 40V of the mine pit perimeter: 404/401 Certification permits required: QYes(specify distance)144.40' []Yes(briefly describe) ❑No No ❑N/A ❑N/A Have you been required to obtain a wetland delineation certified by the US Army Corps of Engineers? ❑Yes(please attach to this application) O No 6. Wastewater Treatment Will this facility wash mined materials? Yes []✓ No Will discharges of process wastewater treatment systems occur(including possible recycle system overflows) []Yes(please describe) Q No Page 2 of 8 Will this facility employ chemical additives to flocculate suspended solids.) [:]Yes(specify name/manufacturer/quantity of daily use) ❑✓ No Note:please visit:https://files.nc.gov/ncdeg/Water+Quality/Environmental+Sciences-[ATU/PAM8 30 18 pdf for list of approved PAMS Will any of the wastewater treatment facilities at this mine overflow only during rainfall events that exceed the 10-yr,24-hr rainfall event? ❑Yes(specify which systems) ,✓[]No Are wastewater treatment facilities(including recycle systems)planned in the 100-year flood plain? ❑Yes ❑Q No Wastewater Treatment Alternative Review as required by 15A NCAC 2H.0105(c)(2) Types of wastewater this mine site will discharge: ❑✓ Mine Dewatering ❑Process Wastewater Types of wastewater considered for this alternative review: 0 Mine Dewatering ❑Process Wastewater Are there existing sewer lines within a one-mile radius? ❑Yes ❑Wastewater treatment plant will accept wastewater ❑Is feasible to connect(explain) ❑Is not feasible to connect(explain) El wastewater treatment plant will not accept wastewater(please attach letter documenting this) 0 No Are you already proposing a closed-loop recycle system(CLRS)that meets design requirements of 15A NCAC 2T.10000? ❑Yes,for dewatering ❑Yes,for process wastewater ❑Yes,for both ❑No,this option is technologically feasible(explain) ❑No,this option is not technologically feasible(explain) ❑No,this option is otherwise feasible(explain) ❑No,this option is otherwise not feasible(explain) No oil,grease,or other contaminants witl be in the water,therefore,the water will not need to be treated except to have the sand settle out from water before discharging. What is the feasibility of building a CLRS compared to direct surface water discharge? The cost of building a MRS is exorbitant and unnecessary in this instance,compared to a de-watering basin. Surface or Subsurface Disposal System ❑A surface or subsurface disposal system is technologically feasible(explain) ✓❑A surface or subsurface disposal system is not technologically feasible(explain) A de-watering basin is more economical. There will not be any contaminated water or sewage to filter with this mining operation. ❑A surface or subsurface disposal system is otherwise feasible to implement(explain) [ZI A surface of subsurface disposal system is not otherwise feasible to implement(explain) A de-watering basin is the most economical system to implement.There will not be any contaminated water or sewage to filter with this mining operation. What is the feasibility of employing a subsurface of surface discharge as compared to a direct discharge to surface waters? Direct Discharge is more economical and is an industry standard.There will not be arty contaminated water or sewage to fitter with this mining operation.;therefore subsurface discharge is not necessary. Direct Discharge to surface waters is the most environmentally sound alternative to all reasonably cost-effective options for the wastewaters being considered? ❑✓ Yes ❑No Page 3 of 8 If this review included all wastewater discharge types,would excluding some types make any of the above non-discharge options feasible for some the wastewaters? ❑Yes (]� No 7. Outfalls(s)At least one outfall is required to be eligible for coverage. 3-4 digit identifier: Name of receiving water: Classification: ❑This water is impaired. 001 Spring Branch c:Sw ❑This watershed has a TMDL. Discharge from this outfall is from: [Z]Stormwater 0 Mine Dewatering ❑Process Wastewater Discharge occurs from this outfall: ❑Only during a rainfall event ❑✓ Intermittently(please indicate how often)As needed to de-water the pit after rainfall and/or once it is dug below the water table ❑Continuously (please indicate flow in CFS) Latitude of outfall: 34.7191 Longitude of outfall:-78.8191 Brief description of the industrial activities that drain to this outfall: none Do Vehicle Maintenance Activities occur in the drainage are of this outfall? ❑Yes 0 No If yes,how many gallons of new motor oil are used each month when averaged over the calendar year? 3-4 digit identifier: Name of receiving water: Classification: ❑This water is impaired. ❑This watershed has a TMDL. Discharge from this outfall is from: ❑Stormwater ❑Mine Dewatering ❑Process Wastewater Discharge occurs from this outfall: ❑Only during a rainfall event []Intermittently(please indicate how often) ❑Continuously (please indicate flow in CFS) Latitude of outfall: Longitude of outfall: Brief description of the industrial activities that drain to this outfall: Do Vehicle Maintenance Activities occur in the drainage are of this outfall? ❑Yes ❑No If yes,how many gallons of new motor oil are used each month when averaged over the calendar year? 3-4 digit identifier: Name of receiving water: Classification: ❑This water is impaired. ❑This watershed has a TMDL. Discharge from this outfall is from: ❑Stormwater []Mine Dewatering ❑Process Wastewater Discharge occurs from this outfall: ❑Only during a rainfall event ❑intermittently(please indicate how often) ❑Continuously (please indicate flow in CFS) Latitude of outfall: Longitude of outfall: Brief description of the industrial activities that drain to this outfall: Do Vehicle Maintenance Activities occur in the drainage are of this outfall? ❑Yes ❑ No If yes,how many gallons of new motor oil are used each month when averaged over the calendar year? Page 4 of 8 All outfalls must be listed and at least one outfall is required.Additional outfalls may be added in the section "Additional Outfalls"found on the last page of this NOI. S. Other Facility Conditions (check all that apply and explain accordingly): []This facility has any other NPDES permits.If checked,list the permit numbers for all current NPDES permits: ❑This facility has Non-Discharge permits(e.g.recycle permit). If checked,list the permit numbers for all current Non- Discharge permits: Q This facility uses best management practices or structural stormwater control measures. If checked,briefly describe the practices/measures and show on site diagram: SKIMMER SEDIMENT BASINS El This facility has a Stormwater Pollution Prevention Plan(SWPPP). If checked,please list date that SWPPP was implemented: ❑This facility stores hazardous waste stored in the 100-year floodplain. If checked,describe how the area is protected from flooding: ❑This facility is a(mark all that apply) ❑Hazardous Waste Generation Facility ❑Hazardous Waste Treatment Facility ❑Hazardous Waste Storage Facility ❑Hazardous Waste Disposal Facility If checked,indicate: Kilograms of waste generated each month: Type(s)of waste: How material is stored: Where material is stored: Number of waste shipments per year: Name of transport/disposal vendor: Transport/disposal vendor EPA ID: Vendor address: ❑This facility is located on a Brownfield or SUPERFUND site If checked,briefly describe the site conditions: ❑Facility provides appropriate secondary containment for bulk storage of liquid materials If checked, briefly describe these measures: ❑Site has an active landfill within the mining permit boundary If checked, please indicate type: a) ❑LCID(Land clearing and Inert Debris) b) ❑other(specify) 9. Required Items(Application will be returned unless all of the following items have been included): 0 Check for$100 made payable to NCDEQ 0 Copy of most recent Annual Report to the NC Secretary of State QThis completed application and any supporting documentation Copy of the approved mining permit or indication of mining permit application status ❑Copy of US Army Corps—approved wetland delineation(if applicable) Page 5 of 8 0 Line drawing of the water flow through the facility or block flow diagram 0 Pictorial description of the nature of any sources of water and any collection and treatment measures El A site diagram showing,at a minimum,existing and proposed: a) outline of drainage areas b) surface waters c) stormwater management structures d) location of stormwater outfalls corresponding to the drainage areas e) runoff conveyance features f) areas where materials are stored g) impervious areas h) site property lines ✓[]2 copies of large scale(24"x36"minimum)site plan showing: a) topographical lines b) all outfall locations c) applicable buffers and delineated wetlands d) receiving waters e) 1OU-year flood plain(it applicable) Q Copy of county map or USGS quad sheet with the location of the facility clearly marked If mines site is in one of the 20 Coastal Counties(if applicable) ❑Applicant has check with lire aNN(uN1 idle i egitmal office to verify the need for a Coastal State Stormwater permit. a) Indicate the Regional Office Contact: ❑Detailed list of: a) impervious surface areas and percentages b) sub-drainage areas c) total drainage area If mine is dewatering and near wetlands,or may otherwise impact surface waters or groundwater(if applicable) 2 copies of large scale(24"x36"minimum)plans delineating areas on the listing acreage including: a) wetlands b) ditches c) well-placements d) pits e) borrow areas f) overburden storage g) stormwater controls/BMPs h) vehicle maintenance areas i) settling basins j) product process(such as screening,stockpiles,and waste piles) k) total drainage area 1) impervious surface percentages(if state Stormwater programs apply) m) applicable buffers n) access and/or haul roads Q Pump dewatering size and information on its specifications []Well information(design,depths,maintenance) []Physical monitoring for the wetland areas Settling pond size information,if applicable ❑Level spreader design,if applicable Q Details about dewatering method ❑Cone of influence calculations Page 6 of 8 0 Description of measures to prevent erosion and flooding ❑Description and information about 401/404 permits that have been obtained [:]Copy of US Army Corps of Engineers wetlands delineations or approved wetland delineation(if applicable) ❑I have contacted my local regional office about a Pumping Operation and Monitoring(POM)plan a) Regional Office Contact: b) Date Contacted: 10.Applicant Certification: North Carolina General Statute 143-215.66(i)provides that: Any person who knowingly makes any false statement, representation,or certification in any application,record,report,plan,or other document filed or required to be maintained under this Article or a rule implementing this Article...shall be guilty of a Class 2 misdemeanor which may include a fine not to exceed ten thousand dollars($10,000).1 hereby request coverage under the referenced General Permit. Under penalty of law,I certify that: Q I am the person responsible for the permitted industrial activity,for satisfying the requirements of this permit,and for any civil or criminal penalties incurred due to violations of this permit. ❑✓ The information submitted in this N01 is,to the best of my knowledge and belief,true,accurate,and complete based on my inquiry of the person or persons who manage the system,or those persons directly responsible for gathering the information. I will abide by all conditions of the NCG02 permit.I understand that coverage under this permit will constitute the permit requirements for the discharge(s)and is enforceable in the same manner as an individual permit. I hereby request coverage under the NCG020000 General Permit and understand that coverage under this permit will constitute the permit requirements for the discharge(s)and is enforceable in the same manner as an individual permit. Printed Name of Person Signing: KWay L Singietary Title: owner 6;' (Sign tur pplicant) (Date Signed) Mail the entire package to: DE MLR--Stormwater Program Department of Environmental Quality 512 N.Salisbury Street,6'h floor 1612 Mail Service Center Raleigh, NC 27699-1612 Page 7 of 8 Additional Outfalls 3-4 digit identifier: Name of receiving water: Classification: ❑This water is on the 303(d)list. El This watershed has a TMDL. Discharge from this outfall is from: ❑Stormwater ❑Mine Dewatering ❑Process Wastewater Discharge occurs from this outfall: ❑Only during a rainfall event ❑Intermittently(please indicate how often) ❑Continuously (please indicate flow in CFS) Latitude of outfall: Longitude of outfall: Brief description of the industrial activities that drain to this outfall: Do Vehicle Maintenance Activities occur in the drainage are of this outfall? ❑Yes ❑No If yes,how many gallons of new motor oil are used each month when averaged over the calendar year? 3-4 digit identifier: Name of receiving water: Classification: ❑This water is on the 303(d)list. ❑This watershed has a TMDL. Discharge from this outfall is from: ❑Stormwater ❑Mine Dewatering ❑Process Wastewater Discharge occurs from this outfall: ❑Only during a rainfall event ❑Intermittently(please indicate how often) ❑Continuously (please indicate flow in CFS) Latitude of outfall: Longitude of outfall: Brief description of the industrial activities that drain to this outfall: Do Vehicle Maintenance Activities occur in the drainage are of this outfall? ❑Yes ❑No If yes,how many gallons of new motor oil are used each month when averaged over the calendar year? 3-4 digit identifier: Name of receiving water: Classification: ❑This water is on the 303(d)list. ❑This watershed has a TMDL. Discharge from this outfall is from: []Stormwater []Mine Dewatering ❑Process Wastewater Discharge occurs from this outfall: ❑Only during a rainfall event ❑Intermittently(please indicate how often) ❑Continuously (please indicate flow in CFS) Latitude of outfall: Longitude of outfall: Brief description of the industrial activities that drain to this outfall: Do Vehicle Maintenance Activities occur in the drainage are of this outfall? ❑Yes ❑No If yes,how many gallons of new motor oil are used each month when averaged over the calendar year? i Page 8 of 8 STORMWATER RETENTION CALCULATIONS a eRrn� Project: LYNWOOD ESTATES, LLC-SINGLETARY PIT Job#: 40-1902 ¢ By: RT Date: 12/28/2022 � a ! � a DEWATERING BASIN#1 Revision:- STAGE-STORAGE FUNCTION (ABOVE PERMANENT POOL) S Z CONTOUR ACCUM. CONTOUR AREA ?NCR.VOL. VOL. STAGE In S In Z Z est [FT2] [FT'] [FT'] [FT] [FT] 129.50 0 0 0.0 130.00 4,987.75 1,247 1.247 0.5 7.1284 -0.6931 0.52 131.00 5,524.75 3,504 4.751 1.5 8.4661 0.4055 1.39 132.00 6,079.75 5,802 10,553 2.5 9.2642 0.9163 2.51 132.50 6,364.00 3,111 13,664 3.0 9.5225 1.0986 3.04 133.00 6,652.75 6,366 16,919 3.5 9.7362 1.2528 3.56 Constant(y-Intercept) 8.02112 Ks= 3045 Slope(X Coefficient) 1.34629 b= 1.350 �%�` Standard Error of Coefficient 0.06637 �' '., R2= 0.99707 QOF O,y SEAL STAGE-STORAGE FUNCTION _r 13325 log-log plot GI NEEQ. G�O: 10.0000 9.8000 9.6000 11000 9.4000 y=1.5065x+7.8639 R2=0.9992 �).2000 tSe6esl RErEIV�D 9.0000 S loor JAN 17 2023 8.8000 8.6000 LAND QUALITY MINING PROGRAM 8.4000 0.0000 0.5000 1.0000 1.5000 In Z STORAGE VOLUME DRAWDOWN TIME Number of orifices= 1 DEWATERING BASIN SIZING CD= 0.6 Qp= 1000 gpm OR 2.23 cfs D= 2.5 in T= 2 hr A= 0.03 sf V= 16040.6 cf g= 32.2 ft/sec2 ElevationOVERFLOW= 133.00 Time to Peak. T.,: ElevationiNVERT= 130.00 [i Ha= 3.00 Tr 1.39•Q Hd3= 1.00 r Q= 2.23 cfs Tp= 86.3 min TemporaryPoolVOwME= 12757 cf TImeDEWATERING= 1.59 hours Page 1 STORMWATER RETENTION CALCULATIONStiNEER�r � ; Project: LYNWOOD ESTATES, LLC-SINGLETARY PIT Job M 40-1902 By: RT Date: 12/28/2022 Revision.- �a. a DEWATERING BASIN#1 290 0.12 12592 132.36 0.25 0.00 0.00 1.37 0.00 0.00 0.25 300 0.10 12516 132.35 0.25 0.00 0.00 1.37 0.00 0.00 0.25 310 0.09 12431 132.34 0.24 0.00 0.00 1.36 0.00 0.00 0.24 320 0.08 12338 132.32 0.24 0.00 0.00 1.36 0.00 0.00 0.24 330 0.07 12238 132.30 0.24 0.00 0.00 1.35 0.00 0.00 0.24 340 0.06 12131 132.28 0.24 0.00 0.00 1.35 0.00 0.00 0.24 350 0.05 12020 132.27 0.24 0.00 0.00 1.34 0.00 0.00 0.24 360 0.04 11905 132.25 0.24 0.00 0.00 1.33 0.00 0.00 0.24 370 0.04 11786 132.23 0.24 0.00 0.00 1.33 0.00 0.00 0.24 380 0.03 11665 132.20 0.24 0.00 0.00 1.32 0.00 0.00 0.24 390 0.03 11541 132.18 0.24 0.00 0.00 1.31 0.00 0.00 0.24 400 0.02 11415 132.16 0.24 0.00 0.00 1.31 0.00 0.00 0.24 410 0.02 11288 132.14 0.23 0.00 0.00 1.30 0.00 0.00 0.23 420 0.02 11159 132.12 0.23 0.00 0.00 1.29 0.00 0.00 0.23 430 0.01 11030 132.09 0.23 0.00 0.00 1.28 0.00 0.00 0.23 440 0.01 10900 132.07 0.23 0.00 0.00 1.27 0.00 0.00 0.23 450 0.01 10769 132.05 0.23 0.00 0.00 1.27 0.00 0.00 0.23 460 0.01 10639 132.03 0.23 0.00 0.00 1.26 0.00 0.00 0.23 470 0.01 10508 132.00 0.23 0.00 0.00 1.25 0.00 0.00 0.23 480 0.01 10377 131.98 0.22 0.00 0.00 1.24 0.00 0.00 0.22 490 0.01 10246 131.96 0.22 0.00 0.00 1.23 0.00 0.00 0.22 500 0.01 10116 131.93 0.22 0.00 0.00 1.22 0.00 0.00 0.22 510 0.00 9986 131.91 0.22 0.00 0.00 1.22 0.00 0.00 0.22 520 0.00 9857 131.89 0.22 0.00 0.00 1.21 0.00 0.00 0.22 530 0.00 9728 131.86 0.22 0.00 0.00 1.20 0.00 0.00 0.22 540 0.00 9599 131.84 0.22 0.00 0.00 1.19 0.00 0.00 0.22 550 0.00 9471 131.82 0.21 0.00 0.00 1.18 0.00 0.00 0.21 560 0.00 9344 131.79 0.21 0.00 0.00 1.17 0.00 0.00 0.21 570 0.00 9217 131.77 0.21 0.00 0.00 1.16 0.00 0.00 0.21 580 0.00 9091 131.75 0.21 0.00 0.00 1.16 0.00 0.00 0.21 590 0.00 8966 131.73 0.21 0.00 0.00 1.15 0.00 0.00 0.21 600 0.00 8842 131.70 0.21 0.00 0.00 1.14 0.00 0.00 0.21 610 0.00 8718 131.68 0.21 0.00 0.00 1.13 0.00 0.00 0.21 620 0.00 8595 131.66 0.20 0.00 0.00 1.12 0.00 0.00 0.20 630 0.00 8473 131.63 0.20 0.00 0.00 1.11 0.00 0.00 0.20 640 0.00 8352 131.61 0.20 0.00 0.00 1.10 0.00 0.00 0.20 650 0.00 8232 131.59 0.20 0.00 0.00 1.09 0.00 0.00 0.20 660 0.00 8112 131.57 0.20 0.00 0.00 1.08 0.00 0.00 0.20 670 0.00 7993 131.54 0.20 0.00 0.00 1.07 0.00 0.00 0.20 680 0.00 7876 131.52 0.20 0.00 0.00 1.06 0.00 0.00 0.20 690 0.00 7759 131.50 0.19 0.00 0.00 1.06 0.00 0.00 0.19 700 0.00 7643 131.48 0.19 0.00 0.00 1.05 0.00 0.00 0.19 710 0.00 7528 131.46 0.19 0.00 0.00 1.04 0.00 0.00 0.19 720 0.00 7414 131.43 0.19 0.00 0.00 1.03 0.00 0.00 0.19 730 0.00 7300 131.41 0.19 0.00 0.00 1.02 0.00 0.00 0.19 740 0.00 7188 131.39 0.19 0.00 0.00 1.01 0.00 0.00 0.19 750 0.00 7077 131.37 0.18 0.00 0.00 1.00 0.00 0.00 0.18 760 0.00 6966 131.35 0.18 0.00 0.00 0.99 0.00 0.00 0.18 770 0.00 6857 131.32 0.18 0.00 0.00 0.98 0.00 0.00 0.18 780 0.00 6748 131.30 0.18 0.00 0.00 0.97 0.00 0.00 0.18 790 0.00 6640 131.28 0.18 0.00 0.00 0.96 0.00 0.00 0.18 800 0.00 6534 131.26 0.18 0.00 0.00 0.95 0.00 0.00 0.18 810 0.00 6428 131.24 0.17 0.00 0.00 0.94 0.00 0.00 0.17 820 0.00 6323 131.22 0.17 0.00 0.00 0.93 0.00 0.00 0.17 830 0.00 6220 131.20 0.17 0.00 0.00 0.92 0.00 0.00 0.17 840 0.00 6117 131.18 0.17 0.00 0.00 0.91 0.00 0.00 0.17 Page 3 ROUTING RESULTS - 10 YEAR DESIGN STORM 2.50 � I 2.00 I I I i 1.50 — -- --------- -- d r c 1.00 - - - - 0.50 0.00 ,. 0 100 200 300 400 500 600 Time[min] tINFLOW[cfs] —i—TOTAL OUTFLOW(cfs] —,►—PRINCIPAL SPILLWAY[cfs] —K—LOW-FLOW ORIFICE [cfs] STORMWATER RETENTION CALCULATIONS V„ Rr,1r� Project: LYNWOOD ESTATES, LLC-SINGLETARY PIT Job#: 40-1902 /1 By: RT Date: 1 2/2 812 0 2 2 3 � s oy� h s' DEWATERING BASIN#2 Revision- STAGE-STORAGE FUNCTION(ABOVE PERMANENT POOL) S Z CONTOUR ACCUM. CONTOUR AREA INCR.VOL. VOL. STAGE In S In Z Z est [FT2] [FT) [FT'] [FT] [FT] 130.00 0 0 0.0 130.50 4,863.09 1,216 1,216 0.5 7.1031 -0.6931 0.52 131.50 4,380.71 3,081 4,297 1.5 8,3657 0.4055 1.36 132.50 5,914.89 5,148 9,445 2.5 9.1532 0.9163 2.49 133.00 6,188.19 3,026 12,471 3.0 9.4311 1.0986 3.08 133.50 6,465.63 6,190 15,634 3.5 9.6572 1.2528 3.66 Constant(y-Intercept) 7.95926 Ks= 2862 Slope(X Coefficient) 1.31346 b= 1.310 Standard Error of Coefficient 0.08669 Rz= 0.99477 STAGE-STORAGE FUNCTION log-log plot 9.8000 I 9.6000 9.4000 y= 1.5282x+7.7485 ' 9.2000 �:9999 �S �.0000 eriesi 8.8000 - - - - 8.6000 8.4000 8.2000 0.0000 0.5000 1.0000 1.5000 In Z STORAGE VOLUME DRAWDOWN TIME Number of orifices= 1 DEWATERING BASIN SIZING Co= 0.6 Qp= 1000 gpm OR 2.23 cfs D= 2.5 in T= 2 hr A= 0.03 sf V= 16040.6 cf g= 32.2 ft/sec2 ElevatlonOVERFLOW= 133.00 Time to Peak,T.,: ElevationiNVERT= 130.00 y Ho= 3.00 T° 1.39 •�J Ho/3= 1.00 ° Q= 2.23 cfs Tp= 86.3 min TemporaryPOOIvoLUME= 12353 cf TimeoEWATERiNG= 1.54 hours Page 1 STORMWATER RETENTION CALCULATIONS Project: LYNWOOD ESTATES, LLC-SINGLETARY PIT Job M 40-1902 By: RT Date: 12/28/2022 1 Revision.- 2a a DEWATERING BASIN#2 290 0.12 11958 132.98 0.25 0.00 0.00 1.41 0.00 0.00 0.25 300 0.10 11879 132.96 0.25 0.00 0.00 1.40 0.00 0.00 0.25 310 0.09 11790 132.95 0.25 0.00 0.00 1.40 0.00 0.00 0.25 320 0.08 11693 132.93 0.25 0.00 0.00 1.39 0.00 0.00 0.25 330 0.07 11590 132.91 0.25 0.00 0.00 1.39 0.00 0.00 0.25 340 0.06 11480 132.89 0.25 0.00 0.00 1.38 0.00 0.00 0.25 350 0.05 11365 132.87 0.25 0.00 0.00 1.37 0.00 0.00 0.25 360 0.04 11247 132.84 0.25 0.00 0.00 1.37 0.00 0.00 0.25 370 0.04 11125 132.82 0.24 0.00 0.00 1.36 0.00 0.00 0.24 380 0.03 11000 132.79 0.24 0.00 0.00 1.35 0.00 0.00 0.24 390 0.03 10873 132.77 0.24 0.00 0.00 1.34 0.00 0.00 0.24 400 0.02 10744 132.75 0.24 0.00 0.00 1.33 0.00 0.00 0.24 410 0.02 10614 132.72 0.24 0.00 0.00 1.32 0.00 0.00 0.24 420 0.02 10483 132.69 0.24 0.00 0.00 1.32 0.00 0.00 0.24 430 0.01 10351 132.67 0.24 0.00 0.00 1.31 0.00 0.00 0.24 440 0.01 10218 132.64 0.23 0.00 0.00 1.30 0.00 0.00 0.23 450 0.01 10086 132.62 0.23 0.00 0.00 1.29 0.00 0.00 0.23 460 0.01 9953 132.59 0.23 0.00 0.00 1.28 0.00 0.00 0.23 470 0.01 9820 132.56 0.23 0.00 0.00 1.27 0.00 0.00 0.23 480 0.01 9687 132.54 0.23 0.00 0.00 1.26 0.00 0.00 0.23 490 0.01 9554 132.51 0.23 0.00 0.00 1.25 0.00 0.00 0.23 500 0.01 9422 132.48 0.22 0.00 0.00 1.24 0.00 0.00 0.22 510 0.00 9290 132.46 0.22 0.00 0.00 1.23 0.00 0.00 0.22 520 0.00 9159 132.43 0.22 0.00 0.00 1.22 0.00 0.00 0.22 530 0.00 9028 132.40 0.22 0.00 0.00 1.21 0.00 0.00 0.22 540 0.00 8898 132.38 0.22 0.00 0.00 1.20 0.00 0.00 0.22 550 0.00 8769 132.35 0.22 0.00 0.00 1.19 0.00 0.00 0.22 560 0.00 8641 132.32 0.21 0.00 0.00 1.18 0.00 0.00 0.21 570 0.00 8513 132.30 0.21 0.00 0.00 1.17 0.00 0.00 0.21 580 0.00 8386 132.27 0.21 0.00 0.00 1.16 0.00 0.00 0.21 590 0.00 8260 132.25 0.21 0.00 0.00 1.15 0.00 0.00 0.21 600 0.00 8135 132.22 0.21 0.00 0.00 1.14 0.00 0.00 0.21 610 0.00 8010 132.19 0.21 0.00 0.00 1.13 0.00 0.00 0.21 620 0.00 7887 132.17 0.20 0.00 0.00 1.12 0.00 0.00 0.20 630 0.00 7764 132.14 0.20 0.00 0.00 1.11 0.00 0.00 0.20 640 0.00 7643 132.12 0.20 0.00 0.00 1.10 0.00 0.00 0.20 650 0.00 7522 132.09 0.20 0.00 0.00 1.09 0.00 0.00 0.20 660 0.00 7403 132.07 0.20 0.00 0.00 1.08 0.00 0.00 0.20 670 0.00 7284 132.04 0.20 0.00 0.00 1.07 0.00 0.00 0.20 680 0.00 7167 132.02 0.19 0.00 0.00 1.06 0.00 0.00 0.19 690 0.00 7050 131.99 0.19 0.00 0.00 1.05 0.00 0.00 0.19 700 0.00 6934 131.97 0.19 0.00 0.00 1.04 0.00 0.00 0.19 710 0.00 6820 131.94 0.19 0.00 0.00 1.03 0.00 0.00 0.19 720 0.00 6706 131.92 0.19 0.00 0.00 1.02 0.00 0.00 0.19 730 0.00 6594 131.89 0.19 0.00 0.00 1.01 0.00 0.00 0.19 740 0.00 6482 131.87 0.18 0.00 0.00 1.00 0.00 0.00 0.18 750 0.00 6372 131.84 0.18 0.00 0.00 0.99 0.00 0.00 0.18 760 0.00 6263 131.82 0.18 0.00 0.00 0.98 0.00 0.00 0.18 770 0.00 6154 131.79 0.18 0.00 0.00 0.96 0.00 0.00 0.18 780 0.00 6047 131.77 0.18 0.00 0.00 0.95 0.00 0.00 0.18 790 0.00 5941 131.75 0.18 0.00 0.00 0.94 0.00 0.00 0.18 800 0.00 5836 131.72 0.17 0.00 0.00 0.93 0.00 0.00 0.17 810 0.00 5732 131.70 0.17 0.00 0.00 0.92 0.00 0.00 0.17 820 0.00 5629 131.68 0.17 0.00 0.00 0.91 0.00 0.00 0.17 830 0.00 5527 131.65 0.17 0.00 0.00 0.90 0.00 0.00 0.17 840 0.00 5427 131.63 0.17 0.00 0.00 0.89 0.00 0.00 0.17 Page 3 i ROUTING RESULTS - 10 YEAR DESIGN STORM 2.50 I 2.00 I 1.50 — - - — — d m A t x 0 1.00 _ - - - 0.50 0 100 200 300 400 500 600 Time[min] —*—INFLOW[cfs] f-TOTAL OUTFLOW [cfs] —irPRINCIPAL SPILLWAY[cfs] —x--LOW-FLOW ORIFICE [cfs] I SUPPORTING CALCULATIONS a = Project: LYNWOOD ESTATES, LLC-SINGLETARY PIT Job M 40-1902 By: RT Date: 12/28/2022 Revision: - RIP-RAP APRONS RIP RAP APRON#1 RIP RAP APRON#2 4io= 0.22 cfs Qio= 0.45 cfs Pipe Diameter= 6 inches Pipe Diameter= 6 inches Tailwater Depth= 0.25 ft Tailwater Depth= 0.28 ft D50= 2.40 inches D50= 2.40 inches USE DS0= 3 inches USE D50= 3 inches DM,x= 5 inches DM,x= 5 inches Thickness= 12 inches Thickness= 12 inches Beginning Width= 2 ft Beginning Width= 1.5 ft Length= 5 ft Length= 4 ft Ending Width= 2 ft Ending Width= 2 ft Page 1 of 1