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Home My WebLink AboutNCG020022_COMPLETE FILE - HISTORICAL_20150925STORMWATER DIVISION CODING SHEET NCG PERMITS PERMIT NO. /v C"%UaL(A DOC TYPE /HISTORICAL FILE ❑ MONITORING REPORTS DOC DATE ❑ 306'09�5- YYYYMMDD STORMWATER DIVISION CODING SHEET NCG PERMITS PERMIT NO. NCGNE DOC TYPE ❑ HISTORICAL FILE DOC DATE ❑ YYYYMMDD Energy, Mineral and Land Resources ENVIRONMENTAL QUALITY May 11, 2018 Vanderbilt Minerals, LLC Standard Minerals Division Attn Mr Jim Fade PO Box 279 Robbins, North Carolina 27325 ROY COOPER Govemor MIC14AEL S REGAN Secretary WILLIAM E (TOBY) VINSON, JR Interim Director Subject COMPLIANCE EVALUATION INSPECTION NPDES Stormwater General Permit NCG020000 Vanderbilt Minerals, LLC-Standard Minerals Division Robbins Mine, Certificate of Coverage NCG020022 Moore County Dear Mr Faile On April 19, 2018, a site inspection was conducted for the Robbins Mine facility located at 520 Talc Mine Road, Robbins, North Carolina, Moore County, North Carolina A copy of the Compliance Inspection Report is enclosed for your review Cody Melchor, Operations Coordinator, was also present during the inspection and his time and assistance is greatly appreciated The site visit and file review revealed that the subject facility is covered by NPDES Stormwater General Permit NCG020000 under Certificate of Coverage NCG020022 Permit coverage authorizes the discharge of stormwater from the facility to receiving waters designated as an unnamed tributary of Cabin Creek, a Class WS-III waterbody in the Cape Fear River Basin As a result of the inspection, the facility was found to be not compliant with the conditions of the NCG020000 permit Please refer to the enclosed Compliance Inspection Report for additional comments and observations made during the inspection Please be advised that violations of the NPDES Stormwater General Permit are subject to a civil penalty assessment of up to $25,000 per day for each violation If you or your staff have any questions, comments, or needs assistance with understanding any aspect of your permit, please contact me at 910-433-3392 or by e-mail at nick milts@ncdenr gov Sincerely, Nicholas E Mills Environmental Specialist DEMLR Enclosure ec Cody Melchin, Operations Coordinator — Vanderbilt Minerals, LLC-Standard Minerals Division cc FRO — DEMLR, Stormwater Files-NCG020022 State of North Carolina I Envlrolunental Quality I Energy Mineral and Land Resources Fayetteville Regional Quite 1 225 Green Street. Suite 714 1 Fayetteville NC 28301 910-433-3300 r 4 V Vanderbilt Minerals, LLC Standard Mineral Division Cody Melchin Operations Coordinator 400 Spies Road, PO Box 279 Robbins NC 27325 (910) 948-2266 Fax (910) W-4840 Cell (336) 953-7084 E-Mad cmelchin@vanderbiltminerals coin Web Site www vanderbiltminerals coin l VR. T. Vanderbilt Company, Inc. 4 *Vanderbilt Minerals, LLC ® STANDARD MINERAL DIVISION • WI,.. OM.d� d. f� MUMq C.e./dM - I Standard Mineral Division Jim Faile I Jim Faile Manager i General Manager p0 Box 279, Robbins, NC 27325 40DTalc Mine Road, (910) 948-2266 Fax (910) W-4840 400 Spies Road, PO Box 279 Robbins, NC 27325 Mobile (336) g53-1814 (910) 948-2266 Fax (910) 948-4840 E-Mad ltaile®rtvanderbrtt coin www rtvanderbilt coin Cell (336) 953-1814 E-Mad llaile@vanderblltminerals coin Web Site Web Site www vanderbiitmmerais corn R. T. Vanderbilt Company, Inc. VSTANDARD derbiltCompany, I STANDARD nc R T. Vanderbilt RAL J MINERAL DIVISION ,I • Jim Harkins Cody Melchin Assistant Manager Operations Coordinator 400 Talc Mine Road, PO Box 279, Robbins, NC 27325 400 Talc Mine Road, o 2 66 pax 79, 9ogb8binrs, NC 27325 (910) 948 2268 Fax (910) 948 4840 Mobile (338) 953-7084 Mobile er varKle 92 E-Mail bile n ns36)1353-31le coin E-Mail emelchin@rtvanderbdt corn Web Site www rtvandarbrri coin Web Site www rtvanderbift coin Permit NCG020022 SOC County Moore Region Fayetteville Contact Person James Fade Directions to Facility System Classifications Primary ORC Secondary ORC(s) On -Site Representative(s) On -site representative Related Permits Compliance,lnspection Report Effective 10/01/15 Expiration 09130/20 Owner Vanderbilt Minerals LLC Standard Mineral Division Effective Expiration Facility Vanderbilt Minerals, LLC Standard Mineral Division F 52D Talc Mine Rd Inspection Date 04/19/2018 Primary inspector Nick E Mills Secondary Inspectors) Title Certification Cody Melchin Entry Time 01 45PM Robbins NC 27325 Phone 910-948-2266 Phone 910-948-2266 Exit Time 03 45PM Phone 910433-3389 Tim L LaBounty Reason for Inspection Routine Inspection Type Compliance Evaluation Permit Inspection Type Mining Activities Stormwater Discharge COG Facility Status ❑ Compliant Not Compliant Question Areas N Storm Water (See attachment summary) Page 1 i ,, Permit NCG020022 Owner- Facility Vanderbilt Minerals LLC Standard Mineral Division Inspection late 04119/2018 Inspection Type Compliance Evaluation Reason for Visit Routine Inspection Summary Provide outfalls and drainage area delineation(s) on site map Perform annual update Page 2 4 e Permit NCG020022 Owner - Facility Vanderbilt Minerals LLC Standard Mineral Division Inspection Date 0411912018 Inspection Type Compliance Evaluation Reason for visit Routine Stormwater Pollution Prevention Plan Does the site have a Stormwater Pollution Prevention Plan? # Does the Plan include a General Location (USGS) map? # Does the Plan include a "Narrative Descnption of Practices"? # Does the Plan include a detailed site map including outfall locations and drainage areas? # Does the Plan include a list of significant spills occurring during the past 3 years? # Has the facility evaluated feasible alternatives to current practices? # Does the facility provide all necessary secondary containment? # Does the Plan include a BMP summary? # Does the Plan include a Spill Prevention and Response Plan (SPRP)? # Does the Plan include a Preventative Maintenance and Good Housekeeping Plan? # Does the facility provide and document Employee Training? # Does the Plan include a list of Responsible Party(s)? # Is the Plan reviewed and updated annually? # Does the Plan include a Stormwater Facility Inspection Program? Has the Stormwater Pollution Prevention Plan been implemented? Comment Qualitative Monitoring Has the facility conducted its Qualitative Monitoring semi-annually? Comment Analytical Montto,rma Has the facility conducted its Analytical monitoring? # Has the facility conducted its Analytical monitoring from Vehicle Maintenance areas? Comment Permit and Outfalls # Is a copy of the Permit and the Certificate of Coverage available at the site? # Were all outfa Its observed durng the inspection? - - — - # If the facility has representative outfall status, is it properly documented by the Division? # Has the facility evaluated all illicit (non stormwater) discharges? Comment Yes No NA NE ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ E ❑ ❑ ❑ ■❑❑❑ ❑ ❑ ❑ ■❑❑❑ ■❑❑❑ ■❑❑❑ ❑■❑❑ ■❑❑❑ ■❑❑❑ Yes No NA NE ❑ ❑ ❑ Yes No NA NE ■❑❑❑ ❑ ❑ 0 ❑ Yea Nu -NA NE ■❑❑❑ ❑ ❑ ❑ ❑❑■❑ ❑■❑❑ Page 3 Lawyer, Mike From Melchor, Cody <CMelchin@vanderbiltminerals com> Sent Wednesday, August 03, 201.6 2 12 PM To Lawyer, Mike Cc Faile, Jim, Duessel, Donna, Harkins, Jim Subject RE JUNE 2016 SW, DEWATERING DMR Mike, We have only sampled Cabin Creek downstream of Standard Mineral's discharges The following table provides a summary of the past 12 months turbidity data from the four on -site discharge points and the downstream sample in Cabin Creek (generally taken at the bridge crossing to the Mill Site) Standard Mineral Summary of Turbidity Results (NTU's) Date S131 S133 MILL BASIN ROBBINS PIT CABIN CREEK - DOWN STREAM Jun-16 357 2160 728 220 65 May-16 80 3120 59 QS QS Apr-16 59 2790 2260 QS QS Mar-16 704 3290 491 171 56 Feb-16 1150 2300 813 QS QS Jan-16 105 504 463 QS QS Dec-15 743 3370 640 QS QS Nov-15 8520 399 238 QS QS Oct-15 3820 503 395 20 89 Sep-15 238 1210 274 3 1 274 Aug-15 1060 2200 1430 419 269 Jul-15 NF NF NF 302 6 1 NF - No Flow QS- Quarterly Sampling so no sample A sample point upstream of the discharges is generally inaccessible However, we will take samples upstream and downstream in Cabin Creek during the next stormwater sampling event A A �j_, Cody Melchin Operations Coordinator Vanderbilt Minerals, LLC Standard Mineral Division 400 Spies Rd PO Box 279 Robbins, NC 27325 cmelchin@vanderbiltmmerals com Office (910) 948-2266 ext 3003 Cell Phone (336) 953-7084 From: Lawyer, Mike [mailto mike lawyer@ncdenr gov] Sent: Monday, August 01, 2016 3 12 PM To: Melchin, Cody Subject: RE JUNE 2016 SW, DEWATERING DMR This message originated from outside your organization Cody, Have you conducted any upstream and downstream monitoring for turbidity to show that the stormwater discharges that exceed the turbidity benchmark are not causing a violation of the water quality standard? Michael Lawyer, CPSWQ Environmental Program Consultant Division of Energy, Mineral and Land Resources North Carolina Department of Environmental Quality 910 433-3394 office mike lawyer@ncdenr gov 225 Green Street, Suite 714 Fayetteville, NC 28301 NZ'Nothing Ccmpare5 — , Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties From Melchin, Cody [mailto CMelchin@_ anderbiltminerals com] Sent Monday, August 01, 201610 59 AM To Lawyer, Mike <mike lawyer@ncdenr gov> Subject JUNE 2016 SW, DEWATERING DMR Mike, Attached are the June 2016 storm water and 2nd quarter dewatering DMR North Carolina Department of Environmental Quality Pat McCrory Donald R van der Vaart Governor Secretary September 25, 2015 CERTIFIED MAIL 7010 3090 0001 32161518 RETURN RECEIPT REQUESTED Vanderbilt Minerals, LLC Standard Mineral Division Attn Jim Falle, General Manager PO Box 279 Robbins, NC 27325 Subject- NOTICE OF DEFICIENCY (NOD-2015-PC-0226) NPDES General Permit NCGO20000 Vanderbilt Minerals, LLC Standard Mineral Division Robbins Mine, Certificate of Coverage NCG020022 Moore County Dear Mr Fade On September 23, 2015, Mike Lawyer, Nick Mills and myself from the Fayetteville Regional Office of the Division of Energy, Mineral and Land Resources, conducted a site inspection for the Vanderbilt Minerals, LLC Standard Mineral Division - Robbins Mine facility located at 520 Talc Mine Road In Robbins, Moore County, North Carolina A copy of the Compliance Inspection Report is enclosed for your review Mr Cody Melchin, Operations Coordinator, and Mr Jim Harkins, Assistant Manager, were also present during the inspection and their time and assistance is greatly appreciated The site visit and file review revealed that the subject facility is covered by NPDES General Permit NCG020000, Certificate of Coverage NCG020022 Permit coverage authorizes the discharge of sormwater and process mine/dewatenng wastewater from the facility to receiving waters designated as a UT (unnamed tributary) of Cabin Creek, a Class WS-III waterbody in the Cape Fear River Basin As a result of the inspection, the facility was determined to be Not Compliant with the conditions of the NCG020000 permit Please refer to the enclosed Compliance Inspection Report for additional comments and observations made during the inspection Please be advised that violations of the NPDES General Permit are subject to a civil penalty assessment of up to $25,000 per day for each violation. if you or your staff have any questions or concerns, please contact Mike Lawyer or myself at (910) 433-3300 Sincerely, 4othy L unty, PE Regional Engineer Land Quality Section Enclosure oc Bradley Bennett, Supervisor- Stormwater Permitting Program Janet Boyer, PE, GPM, State Mining Specialist - Mining Program FRO - Land Quality Section, Stormwater Files-NCG020022 Division of Energy, Mineral, and Land Resources Land Quality Section Fayetteville Regional Office, 225 Green Street -- Suite 714, Fayetteville, North Carolina 28301 Phone 91 0-433-3300 1 FAX 910-486-0707 / Internet hftoJ/portal nodenr or, eb/I An Equal Opportunity 1 Affirmative Action Employer - 50% Recycled 110% Post Consumer Paper 0 Compliance Inspection Report Permit NCG020022 Effective 01/0111D Expiration 12/31/14 Owner Vanderbilt Minerals LLC Standard Mineral Division SOc Effective Expiration Facility Vanderbilt Minerals, LLC Standard Mineral Division F j County Moore 620 Talc Mine Rd ' Region Fayetteville Robbins NC 27325 j Contact Person James Fade Title Phone 910-948-2266 I Directions to Facility I System Claselficationa i Primary ORC Certification Phone Secondary ORCM i On -Site Representative(&) On -site representative James Fade 910-948-2266 On -site representative Jim Harkins p 910-948-2266 On -sits representative Cody Melchin 910-948-2266 Related Permits Inspection Date 09/23/2015 try TI 10 30AM Exit time 01 OOPM Primary Inspector Mike Lawy'er�� ' Phone 910.433-3300J�Y9— Secondary In&pector(s) Reason for Inspection Routine Inspection Type Compliance Evaluation Permit Inspection Type Mining Activities Stomrweter Discharge COC Facility Status ❑ Compliant Not Compliant Question Areas Storm Water (See attachment summary) Page 1 PennlL NCGO20022 Owner Facilky Vanderbilt Minerela LLC Standard Mineral l]hrlelon Inspeotion Date 090MG15 Inspection Type Compliance Evaluation Reason for Visit Routine Inspection Summary Joint Inspection by Land Quality Section staff Mike Lawyer, Nick Mills and Tim LaBounty to determine compliance with Mining Permit 63-03 and NPDES General Permit NCG020000 Inspection conducted in response to notification by the permittee of sediment impacts to a stream, which was discovered by facility staff on 9/18115 resulting from the failure of a recently constructed basin for treatment of mine dewatedng wastewater Mat with Jim Fails, General Manager, Cody Melchin, Operations Coordinator, and Jim Harkins, Assistant Manager at the mill office to discuss the incident and their response adions Removal of the sediment from the stream and any necessary restoration work is being coordinated by Chad Tudington with the Division of Water Resources Reviewed facility's Stormwater Pollution Prevention Plan (SPPP), weekly BMP inspections and discharge monitoring records Also reviewed facility's mine map, which shows the new mine dewatermg basin and several stormwater basins In comparing the mine map to observed site conditions, it was determined that the site is not in compliance with their mining permit as basins have not been installed or constructed as indicated on the map The off -alto sediment impacts to the stream also constitute non compliance with the mining permit. Part III, Section A, Rem 2 of the NCG0200DO General Permit states that "Compliance with the DLR issued permit is considered a requirement of this general permit Any deviation from the DLR issued permit, or amendments to the issued permit, that impacts water quality shall constitute a violation of the terms and conditions of this general permit " Therefore, non compliance with the mining permit as determined at the time of inspection constitutes non compliance with the NCG020000 General Permit page 2 Perri♦: NCGO20022 Owner- Facility Vanderbilt Minarets LLC Standard Mineral Division inspection pats OW312015 Inspection Type Compliance Evaluation Resson for Melt Routine ti Stormwater Pollution Preyentlon_Plan Yes No NA -NE Does the site have a Stormwater Pollution Prevention Plan? 0 ❑ ❑ ❑ # Does the Plan Include a General Location (USGS) map? M ❑ ❑ ❑ # Does the Plan include a 'Narrative Desc ripbon of Practices"? ❑ ❑ ❑ # Does the Plan Include a detailed site map including outfall locations and drainage areas? ❑ ❑ ❑ # Does the Plan include a list of significant spills occurring during the past 3 years? 0 ❑ ❑ ❑ # Has the facility evaluated feasible alternatives to current practices? ❑ ❑ 0 ❑ # Does the facility provide all necessary secondary containment? ❑ ❑ ❑ # Does the Plan include a BMP summary? ❑ ❑ ❑ # Does the Plan include a Spill Prevention and Response Plan (SPRP)? ❑ ❑ ❑ # Does the Plan include a Preventative Maintenance and Good Housekeeping Plan? ❑ ❑ ❑ # Does the facility provide and document Employee Training? 0 ❑ ❑ ❑ # Does the Plan include a list of Responsible Party(s)? ❑ ❑ ❑ R # Is the Plan reviewed and updated annually? ❑ ❑ ❑ # Does the Plan Include a Stormwater Facility Inspection Program? ❑ ❑ ❑ Has the Stormwater Pollution Prevention Plan been implemented? ❑ ❑ ❑ Comment Qualitative Monitod!lg YU Uo NA HE Has the facility conducted its Qualitative Monitoring semi-annually? ❑ ❑ ❑ Comment Analvtical Monitorin Has the fad lity conducted Its Analytical monitoring? 0 ❑ ❑ ❑ # Has the facility conducted its Analytical monitoring from Vehicle Maintenance areas? 1111011 Comment Facility has bae0, conducting monthly monitonna for mine dgr+.vtttenntx wastewater and stormwater since 2010 Permit and Clutfalls # Is a copy of the Permit and the Certificate of Coverage available at the site? E ❑ ❑ ❑ # Were all outfalls observed during the inspection? 0 ❑ ❑ ❑ # If the facility has representative outfall status, is it properly documented by the Division? ❑ ❑ 0 ❑ # Has the facility evaluated all dhat (non stormwater) discharges? E ❑ ❑ ❑ Comment There are currently outfalls, 1 mine dewatering wastewater, 2 stormwater at the y1t site and 1 stormwater at the mill Page 3 North Carolina Department of Environmental Quality Pat McCrory Governor September 24, 2015 CERTIFIED MAIL_ RETURN RECEIPT REQUESTED 7010 3090 0001 3216 1518 NOTICE OF DEFICIENCY Standard Mineral Company, Inc ATTN Jim Faile P O Box 279 Robbins, NC 27325 RE Mining Permit No 63-03 Robbins Mine Moore County Cape Fear River Basin Dear Mr Faile Donald R vender Vaart Secretary On September 23, 2015 an inspection of the subject mine was performed by staff of this office As discussed with you on the site, several deficiencies were observed that require your prompt attention The deficiencies discovered and the necessary corrective actions are as follows Operating Condition #4A Adequate mechanical barriers including, but not limited to diversions, earthen dikes, check dams, sediment retarding structures, np rap pits or ditches shall be provided in the initial stages of any land disturbance and maintained to prevent sediment form discharging onto adjacent surface areas or into any lake wetland or natural watercourse in proximity to the affected land Install adequate mechanical barriers to prevent sediment from discharging Into any natural watercourse 2 Operating Condition #6A The angle for graded slopes and fills shall be no greater than the angle which can be retained by vegetative cover or other adequate erosion control measure, structure, or device In any event exposed slopes or any excavated channels, the erosion of which may cause off site damage because of siltation, shall be planted or otherwise provided with ground cover, devices or structures sufficient to restrain such erosion Regrade any slopes so that the angle of these slopes will sustain adequate ground cover. Division of Energy, Mineral, and Land Resources tieatu ,,„ Land Quality Section �'oi}.ri.a Fayetteville Regional Office 225 Green Street -- Suite 7U, Fayetteville, North Carolina 28301 Phone 910-433-3300! FAX 810.486-0707-Intemet http lfportai ncdenr omMebArAand-qualdy Ja 1 An Equal Opportunity / Affirmative Action Employer— 50% R wdad 110% Pont Consumer Paper CERTIFIED MAIL Page 2 3 Operating Condition #11 The operator shall notify the department in wnting of the desire to delete, modify or otherwise change any part of the mining, reclamation, or erosion/sediment control plan contained in the approved application for a mining permit and any approved revisions to it Approval to implement such changes must be obtained from the Department prior to on site implementation of the revisions A modification of the mining plan must be submitted in writing to N.C.D.E.Q to accurately reflect conditions on site. If the previously described deficiencies are not corrected within 30 days following your receipt of this Notice, this matter may be referred to the Director, Division of Energy, Mineral, and Land Resources, Department of Environmental Quality, for the issuance of an official Notice of Violation in an effort to secure compliance at the site Do not hesitate to contact Timothy L LaBounty, P E or Nicholas Mills at (910)433-3300 regarding any questions you may have about this matter Sincerely, Timothy L L unty, PE Regional Engineer Land Quality Section Attachment Mine Inspection Report cc State Mining Specialist Fayetteville Regional Office, Land Quality Section Files �+ NCDEEVR FE8 ? r)W0 North Carolina Department of Environment and Natural Resources Division of Water Quality Pat McCrory Charles Wakild, P E John Skvarla Governor Director Secretary February 11, 2013 James Fatle Vanderbuilt Minerals, LLC Standard Mineral Division PO Box 279 Robbins, NC 27325 Subject NPDES General Permit NCG020000 Certificate of Coverage NCG020022 Vandeibuilt Minerals, LLC Standard Mineral Division Moot e County Dear Mr Faile Division personnel received your request to revise your stormwater permit Certificate of Coverage to accurately reflect your new company and/or facility name Please find enclosed the revised Certificate of Coverage The terms and conditions contained in the General Permit remain unchanged and in full effect This revised Certificate of Coverage is issued under the requirements of North Carolina General Statutes 143-215 1 and the Memorandum of Agreement between North Carolina and the U S Environmental Protection Agency If you have any questions, please contact the Stormwater Permitting Unit at 919-807-6300 Sincerely, ORIGINAL SIGNED B) KEN PICKLE for Charles Wakild, P E cc Fayetteville Regional Office Central Files Stormwater Permitting Unit Wetlands and Stormwater Branch 1617 Mad Service Center Raleigh, North Carolina 27699 1617 Location 512 N Salisbury St Raleigh, North Carolina 27604 Phone 9IM07-63001 FAX 919 807 64941 Customer Service 1 877.623.6748 Internet www ncwaterqualityorg An Equal Opponunity 1 Affirmative Action Employer NorthCarohna Aaturally STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY GENERAL PERMIT NO NCG020000 CERTIFICATE OF COVERAGE No. NCG020022 STORMWATER DISCHARGES NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM In compliance with the provision of North Carolina General Statute 143-215 1, other lawful standards and regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the Federal Water Pollution Control`Act, as amended, Vanderbuilt Minerals, LLC Standard Mineral Division is hereby authorized to discharge stormwater from a facility located at Vanderbuilt Minerals, LLC Standard Mineral Division 400 Tale Mine Rd Robbins Moore County to receiving waters designated as a UT of Cabin Creel a class C, waters in the Cape Fear River Bann in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts 1, II, I1I, IV, V and VI of General Permit No NCG020000 as attached This certificate of coverage shall become effective February 11, 2013 This Certificate of Coverage shall remain in effect for the duration of the General Permit Signed this day February 1 1, 2013 ORIGINAL SIGNED Sl KEN PICKLE for Charles Wakild, P E , Director Division of Water Quality By Authority of the Environmental Management Commission A'LTri:F;Y)wFA NCDENR North Carolina Department of Environment and Natural Resources Division of Water Quality Pat McCrory Charles Wakild, P E Governor Director February 11, 2013 James Faile Vanderbuilt Minerals, LLC Standard Mineral Division PO Box 279 Robbins, NC 27325 Dear Mr Faile John Skvarla Secretary Subject NPDES General Permit NCG020000 Certificate of Coverage NCG020022 Vanderbuilt Minerals, LLC Standard Mineral Division Moot e County Division personnel received your request to revise your stormwater permit Certificate of Coverage to accurately reflect your new company and/or facility name Please find enclosed the revised Certificate of Coverage The terms and conditions contained in the General Permit remain unchanged and in full effect This revised Certificate of Coverage is issued under the requirements of North Carolina General Statutes 143-215 1 and the Memorandum of Agreement between North Carolina and the U S Environmental Protection Agency If you have any questions, please contact the Stormwater Permitting Unit at 919-807-6300 Sincerely, ORIGINAL SIGNED 81 for ChatgVK'19; � E cc Fayetteville Regional Office Central Files Stormwater Permitting Unit Wetlands and Storrnwaier Branch 1617 Mad Service Center, Raleigh !North Carolina 27699 1617 Localion 512 N Salisbury St Raleigh, North Carolina 27604 Phone 919-807-63001 FAX 919 807 64941 Customer Service 1 877 623-6748 Internet www ncwaterquality org An Equal Opportunity 1 Affirmative Action Employer One naturally STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY GENERAL PERMIT NO NCG020000 CERTIFICATE OF COVERAGE No NCG020022 STORMWATER DISCHARGES NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM In compliance with the provision of North Carolina General Statute 143-215 1, other lawful standards and regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the Federal Water Pollution Control'Act, as amended, Vanderbuilt Minerals, LLC Standard Mineral Division is hereby authorized to discharge stormwater from a facility located at Vanderbuilt Minerals, LLC Standard Mineral Division 400 Talc Mine Rd Robbins Moore County to receiving waters designated as a UT of Cabin Creel a class C, waters in the Cape Fear River Basin in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II, III, IV, V and VI of General Permit No NCG020000 as attached This certificate of coverage shall become effective February 11, 2013 This Certificate of Coverage shall remain in effect for the duration of the General Permit Signed this day February 11, 2013 for ORIGINAL SIGNED Sl KEN PICKLE Charles Wakild, P E , Director Division of Water Quality By Authority of the Environmental Management Commission NCDENR N-- C+Rm— nr--ENT of �NVIAONMEW MID N/TlJ— RESOURCES II III Division of Water Quality / Surface Water Protection National Pollutant Discharge Elimination System PERMIT NAME/OWNERSHIP CHANGE FORM FOR AGENCY USE ONLY Date Received Year Month Day Please enter the permit number for which the change is requested NPDES Permit (or) Certificate of Coverage 1 C S O NG G I 0 2 0 0 2 2 Permit status prior to requested change. a Permit issued to (company name) R T Vanderbilt Company, Inc Standard Mineral Division b Person legally responsible for permit James Faile First M1 Last t� Manager �� Title P O Box 279 Permit Holder Mailing Addresti Z013 Robbins NC 27325 City State Zip NR ' �'� TER QUALITY City (910) 948-2266 (910) 948-4840 Phone Fax c Facility name (discharge) Standard Mineral Division- Robbins Mine d Facility address 520 Talc Mine Road Address Robbins NC 27325 City State Zip e Facility contact person Cody R Melchin (910) 948-2266 First / MI / Last Phone Please provide the following for the requested change (revised Permit) a Request for change is a result of ❑ Change in ownership of the facility XName change of the facility or owner If other please explain b Permit issued to (company name) c Person legally responsible for permit d Facility name (discharge) e Facility address f Facility contact person Vanderbilt Minerals, LLC Standard Mineral Division James Faile First MI Last Manairer Title P O Box 279 Permit Holder Mailing Address Robbins NC 27325 City State Zip 9l0 948-2266 faile vanderbiltminerals com Phone E-mail Address Vanderbilt Minerals, LLC Standard Mineral Division Robbins Mine 400 Talc Mine Road Address Robbins NC 27325 City State Zip Cody R_ Melchm First MI - Last - j Revised 2012Apr23 NPDES PERMIT NAME/OWNERSHIP CHANGE FORM Page 2 of 2 (910) 948-2266 cmelchin@vanderbiltminerals com Phone E-mail Address IV Permit contact information (if different from the person legally responsible for the permit) Permit contact First MI Last Title Mailing Address City State Zip Phone E-mail Address V Will the permitted facility continue to conduct the same industrial activities conducted prior to this ownership or name change? Yes No (please explain) VI Required Items. THIS APPLICATION WILL BE RETURNED UNPROCESSED IF ITEMS ARE INCOMPLETE OR MISSING This completed application is required for both name change and/or ownership change requests ❑ Legal documentation of the transfer of ownership (such as relevant pages of a contract deed, or a bill of sale) is required for an ownership change request Articles of incorporation are not sufficient for an ownership change ..................................... .... ..... .... ..... ............................. The certifications below must be completed and signed by both the permit holder prior to the change, and the new applicant in the case of an ownership change request For a name change request, the signed Applicant's Certification is sufficient PERMITTEE CERTIFICATION (Permit holder prior to ownership change) I, , attest that this application for a name/ownership change has been reviewed and is accurate and complete to the best of my knowledge I understand that if all required parts of this application are not completed and that if all required supporting information is not included, this application package will be returned as incomplete Signature Date APPLICANT CERTIFICATION I, James Faile, attest that this application for a name/ownership change has been reviewed and is accurate and complete to the best of my knowledge I understand that if all required parts of this application are not completed and that if all required supporting information is not included, this application package will be returned as incomplete o%- t 5 - Loki ignature 1<4 Date . ..... ..... ..... PLEASE SEND THE COMPLETE APPLICATION PACKAGE TO: Division of Water Quality Surface Water Protection Section 1617 Mail Service Center Revised 712008 *Vanderbilt Minerals, LLC A Wholly Owned Subsldlary of R T Manderblll Holdlrg Company Inc STANDARD MINERAL DIVISION 400 SPIES ROAD PO BOX 279 ROBBINS NORTH CAROLINA 27325 (9101948 2266 Fax (910i 948-4840 Internet Address www vanderbiltminerals Corn January 10, 2013 Mr Mike Lawyer North Carolina Department of Environment & Natural Resources Fayetteville Region Office — Surface Water Protection 225 Green Street, Suite 714 Fayetteville, NC 28301-5043 DSNF?--F[jC) JAN 14 20,3 I)WO Subject Name Change for R T Vanderbilt Co, Inc — Standard Mineral Division, Stormwater Permits NCG020022, NCG020023 Dear Mr Lawyer R T Vanderbilt Co, Inc reorganized on January 1, 2013 and changed its name The new name is Vanderbilt Minerals, LLC — Standard Mineral Division Please update the following two NPDES General Permit for Discharges Associated with Nonmetal Mining Facilities to reflect the changed name Permit Number NCG020022 NCG020023 Location Robbins Mine Glendon Mine Please contact me if you have any questions regarding this name change My email address has also changed, it is jfaile@vanderbiltminerals com Sincerely, James R Faile Manager cc D Duessel Print this form to PDF Return PDF of this form to DLR CO by email cc DLR RO and DWQ SPU MINING PERMIT APPLICATION REVIEW FORM for the DIVISION OF WATER QUALITY THIS SECTION TO BE FILLED OUT BY DLR Project Name: Robbins Mine DLR Permit #. 63-03 County Moore Address- Russ Patterson (consultant)'s email russ@gattersonexploration corn YES NO Date Commencing Is this mine a new mine? r r Original Permit issued 7/20/72 Have land disturbing activities started? Date? r r 7/20/72 Latitude 35 6150 Longitude. 794150 Please return comments to (at DLR CO) Ashley Rodgers Comments due by. 12/21/12 SECTION BELOW TO BE FILLED OUT BY DWQ Is the RO concerned that the operation, as proposed, would violate standards of water quality Comments Application shows no mine dewaterina proposed Watershed/Stream Name & Classification _UT to Cabin Creek, Class WS-1I1 (Cape Fear River Basin DWQ Compliance Status of Mine No inspection since 2007 YES NO 401 Wetland Cert existing? r � Permit # F Does DWQ RO currently have enough' to C Information to determine if a 401{, rcertification'isre46l'n ? eta � 'F x Rev September 2010 Print this form to PDF Return PDF of this form to DLR CO by email cc DLR RO and DWQ SPU Ddess"DWQ requiiWDLR tom old (e g. so DWQ,can review, its rtt Mine must wait to dewater until an O&M I r r plan is approved' ` he system and oi2orate at or belowtwo-feet of freeba rd Thee systems maybe permitted by a Non -discharge Recycle Sy_$Jerri Permit from the Aciuder Protection Section (APS), OR may instead be permitted under NCGO20000 to eliminate an_addibonal permit Recvcle systems that do not meet those criteria are considered discharaina systems. and are subiect to the NCGO20000 discharge ,permit- To obtain 7010 flows, permrttees must contact the DWQ Stormwater Permitting Unit if D WQ does not have a flow estimate fora specific stream, permittees will be asked to obtain one Permittees should contact J Curtis Weaver at the USGS 919-571-4043, for more information on obtaining a 7010 flow USGS will not determine a 7010 flow for tidally influenced water bodies Reviewed bv. DWQ RO Surface Water Michael Lawyer Regional Office Fayetteville Date 12/10/12 RO Aquifer Protection Section Regional Office Date SPU DWQ Central Office Reviewer (if applicable) Rev September 2010 D"'ENR-FPC NOV 0 7 20v R.T. VANDERBILT COMPANY, INC. STANDARD MINERAL DIVISION PO BOX 279 400 TALC MINE ROAD ROBBINS, NORTH CAROLINA 27325 November 4, 2011 Mr Mike Lawyer North Carolina Department of Environment & Natural Resources Fayetteville Region Office — Surface Water Protection 225 Green Street, Suite 714 Fayetteville, NC 28301-5043 DWO PHONE (910) 948-2266 FAX (910) 948-4840 Subject pH Nan -Conformance at R F Vanderbilt Co, Inc — Standard Mineral Division Dear Mr Lawyer The purpose of this letter is to summarize our discussions during our meeting last Friday at your office Based on our investigations, we have determined that a limestone channel, in conjunction with a settling basin, will provide sufficient passive treatment of the mine water to achieve suitable pH results While our testing indicates a limestone channel retention requirement of one minute, the proposed design allows for four minutes The design also is flexible and, if required, additional limestone gabions can be added The basic design is the same for both the Glendon and Robbins pits A preliminary set of design plans and calculations were provided during the meeting The designs for the above systems are included in our pending Mine Permit Renewal Application and construction will begin upon the reissuance of these permits It is anticipated that construction for the first system in Glendon will be completed 8 — 10 weeks from approval We are planning to submit these applications no later than November 11, 2011 It is understood that the new construction, including basins, piping, and ponds will be added to our SWPPP as they are completed Thank you for your time last week to discuss this issue Please let me know if you have any questions Sincerely, I Faile Plant Manager A�� NCDENR North Carolina Department of Environment and Natural Resources Beverly Eaves Perdue Governor Division of Water Quality Coleen H Sullins Director February 11, 2010 James Faile R T Vanderbuilt Co Inc -Standard Mineral Division PO Box 279 Robbins, INC 27325 Dear Permittee Dee Freeman Secretary Subject NPDES Stormwater Permit Coverage Renewal Standard Mineral Division -Robbins Mine COC Number NCG020022 Moore County In response to your renewal application for continued coverage under stormwater General Permit NCG020000 the Division of Water Quality (DWQ) is forwarding herewith the reissued stormwater General Permit This permit is reissued pursuant to the requirements of North Carolina General Statute 143-215 1 and the Memorandum of Agreement between the state of North Carolina and the U S Environmental Protection Agency, dated October 15, 2007 (or as subsequently amended) The following information is included with your permit package • A new Certificate of Coverage • A copy of stormwater General Permit NCG020000 • A copy of a Technical Bulletin for the General Permit • Two copies of the Tier 2 / Exceedence Discharge Monitoring Report (DMR) Form for Stormwater • One copy each of the Annual Summary DMR Forms for Stormwater and Wastewater • Two copies of the Limit Violation DMR Form for Wastewater • Two copies of the Qualitative Monitoring Report Form The General Permit authorizes discharges of stormwater and wastewater, and it specifies your obligations with respect to discharge controls, management, monitoring, and record keeping Please review the new permit to familiarize yourself with all the changes in the reissued permit If your Certificate of Coverage (COC) restricts authorization to discharge stormwater only (or other limited terms) based on your original application, or subsequent modifications to your COC, you must continue to meet these requirements or contact the Stormwater Permitting Unit to request a modification of this renewal COC The more significant changes in the General Permit since your last Certificate of Coverage include the following Part II • Section B — Language referencing PAMS has been changed Flocculants may now be used if evaluated by the Division and administered in accordance with maximum application doses and other requirements Part III • Section A — The permit now requires a Stormwater Pollution and Prevention Plan (SPPP) tailored to the mining industry, in lieu of a Stormwater BMP Plan • Section A - Inactive mines may be inspected on a reduced schedule at least once per month and after 0 5" (or more) of rain To qualify, inactive mines must possess an "Inactive Renewal" from DLR or certify to DWQ the site has been stabilized The permittee must notify the DWQ Regional Office of inactive status Discharges from inactive mines must still be monitored on the same schedule as active mines Wetlands and Stormwater Branch 1617 Mad Service Center Raleigh North Carolina 27699 1617 Location 512 N Salisbury SL Raleigh North Carolina 27604 One Phone 919.807 63001 FAX 919 807 64941 Customer Service 1 877-623 6748 NOCthiCarohna Internet www ncwaterquality org An Equal Opportunity 1 Affirmative Action Employer d .- . Permit Reissuance — Permit Number NCGO20022 February 11, 2010 Page 2 • Section B — Revised provisions require that stormwater discharges be sampled twice per year (instead of annually), and that the sampling results be compared to new benchmark values (The previous cut-off concentrations have been removed ) • Section B — Revised provisions require the permittee to execute Tier One, Tier Two & Tier Three response actions, based on the first benchmark exceedence (Tier One) and the second consecutive benchmark exceedence (Tier Two) Tier Two requires that the permittee institute monthly monitoring (reported to the appropriate Regional Offices) instead of twice -per -year monitoring Monthly monitoring shall be done until three consecutive monitoring events show no benchmark exceedences • Section B — This part contains a new provision that four exceedences of any benchmark will trigger increased DWQ involvement in the permittee's stormwater management and control actions DWQ may direct the permittee to apply for an individual permit, institute specific monitoring, or may direct the implementation or installation of specific stormwater control measures • Section B — The definition of "Representative Storm Event" (RSE) now allows 48 hours (instead of 72 hours) of little or no precipitation to precede an RSE • Section B — Stormwater discharges from a basin designed to contain the 10-year storm must now be monitored • Sections B & C — Failure to monitor according to permit terms triggers monthly monitoring for the remainder of the permit • Section C — Analytical monitoring for Total Petroleum hydrocarbons (TPH) has replaced the Oil & Grease parameter in the previous permit • Section D —Qualitative monitoring must now be conducted during the same representative storm event as the analytical monitoring • Section D —The permittee is required to keep a written record of his response to problems identified by his qualitative monitoring observations • Section D — If the permittee fails to respond effectively to problems identified by qualitative monitoring, the permittee may be required by DWQ to perform corrective action • Section D — Qualitative ROS Representative Outfall Status may be granted for qualitative monitoring for some Stormwater Discharge Outfalls (SDOs) • Section D — If mines do not respond to problems seen in visual monitoring, DWQ may now require that mines change the monitoring frequency, apply for an individual permit, implement in -stream monitoring, install or modify structural stormwater controls, or implement other controls • Sections B, C, & D — Inability to sample due to adverse weather must be reported in the SPPP and recorded in the Annual Summary DMR • Section E — A lower TSS Wastewater limit for PNA waters is included in the permit • Section E — All mining operations are now required to monitor TSS in wastewater effluent discharges (not only industrial sand mines) However, TSS limits only apply to industrial sand mining operations • Section E -- Turbidity limits on effluent discharges have been removed, however, turbidity standards still apply in the receiving waters • Section E — Approval of a Pumping O&M Plan may be required prior to coverage (for sites with dewatering activities that have the potential to drain wetlands or other surface waters) • Section E — ATC Requirements have been changed for clarity These requirements are now outlined for Mine Dewatering Wastewater, Process Wastewater, Overflow From Non -Closed -Loop Process Recycle Wastewater Systems, and Overflow From A Closed -Loop Process Recycle (CLPR) • Section E -- Monitoring for Fecal cohforms in discharges to SA waters has been clarified Fecal coliform monitoring is now required for all process and mine dewatering wastewater discharges to SA waters Part IV • Section E — Items 1 and 2 require submittal of a new reporting form the Annual Summary DMR This annual summary of the analytical monitoring results should be submitted to the DWQ Central Office by March 1 of each year • Section E — Exceedences and violations must be sent to the appropriate DWQ Regional Office within 30 days of receipt from the lab • Section E — Results of "No Flow" or "No Discharge" must be recorded within 30 days from the sampling period in the SPPP "No flow" or "No Discharge" must also be reported on the Annual Summary DMR form - Permit Relssuance — Permit Number NCGO20022 February 11, 2010 Page 3 Your coverage under the General Permit is transferable only through the specific action of DWQ This permit does not affect the legal requirements to obtain other permits which may be required by DENR, nor does it relieve the permittee from responsibility for compliance with any other applicable federal, state, or local law, rule, standard, ordinance, order, judgment, or decree If you have any questions regarding this permit package please contact these members of the Stormwater Permitting Unit Jennifer Jones at (919) 807-6379 or Bethany Georgoulias at (919) 807-6372 cc DWQ Central Files Stormwater Permitting Unit Files Fayetteville Regional Office Sincerely, for Coleen H Sullins STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY GENERAL PERMIT NO NCG020000 CERTIFICATE OF COVERAGE No NCG020022 STORMWATER, MINE DEWATERING WATER AND/OR PROCESS WASTEWATER NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM In compliance with the provision of North Carolina General Statute 143-215 1, other lawful standards and regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the Federal Water Pollution Control Act, as amended, R T Vanderbuilt Co Inc -Standard Mineral Division is hereby authorized to operate approved wastewater treatment system(s) and discharge stormwater and/or wastewater, as approved in the original permit/application or subsequent permit modification, from a facility located at Standard Mineral Division -Robbins Mine 520 Talc Mine Rd Robbins Moore County to receiving waters designated as Cabin Creek, a class WS-III waterbody in the Cape Fear River Basin in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II, III, IV, V, and VI of General Permit No NGG020000 as attached This certificate of coverage shall become effective February 11, 2010 This Certificate of Coverage shall remain in effect for the duration of the General Permit Signed this 111h day of February, 2010 for Coleen H Sullins, Director Division of Water Quality By Authority of the Environmental Management Commission R. T. VANDERBILT COMPANY STANDARD MINERAL DIVISION P O Box 279 ROBBINS, NORTH CAROLINA 27325 HOME OFFICE 30 WINFIELD STREET NORWALK CONNECTICUT06855 March 19, 2007 Belinda S Henson Regional Supervisor, Surface Water Protection Section MINE & MILL ROBBINS, NORTH CAROLINA PHONE (910) W 2266 DIFNF3_1110 MAR 2 2 2oor North Carolina Division of Water Quality Dw() 225 Green Street, Suite 714 �! Fayetteville, NC 28301 Subject Response to NOTICE OF VIOLATION (NOV-2007-PC-0128) R T Vanderbilt Company, Inc Standard Mineral Division -Robbins Mine NPDES Stormwater General Permit-NCG020022 Moore County Dear Ms Henson The purpose of this letter is to respond to the Notice of Violation (NOV-2007-PC-0128) issued on February 28, 2007 The Standard Mineral Spill Prevention Control and Countermeasure and Best Management Practices Plan (the Plan) has been updated to address the issues that were identified in the Compliance Inspection Report The Plan now includes the following items a Semiannual qualitative stormwater monitonng using the required forms, the first documented monitoring will occur in April ■ A description of the Robbins mining area a Separate sampling of a stormwater discharge from the mining area if a stormwater-only discharge occurs ■ Sampling of the stormwater outfall at the Mill Site ■ Sampling the Vehicle Maintenance Area if more than 55 gallons of oil are used per month The Plan is maintained on -site and is available for review Please contact me if you have any additional questions regarding this response Sincerely, es Faile Manager, Standard Minerals Division Michael F Easley, Governor William G Ross It, Secretary North Carolina Department of Environment and Natural Resources Alan W Klimek, P E Director Division of Water Quality February 28, 2007 CERTIFIED MAIL: 7001 2510 0006 9498 8923 RETURN RECEIPT REQUESTED James Faile R T Vanderbilt Company, Inc -Standard Mineral Division PO Box 279 Robbins, NC 27325 Subject: NOTICE OF VIOLATION (NOV-2007-PC-0128) R. T. Vanderbilt Company, Inc Standard Mineral Division -Robbins Mine NPDES Stormwater General Permit-NCG020022 Moore County Dear Mr Faile On February 26, 2007, Michael Lawyer from the Fayetteville Regional Office of the Division of Water Quality conducted a site inspection for the Standard Mineral Division -Robbins Mine facility located at 520 Talc Mine Road in Robbins, Moore County, North Carolina A copy of the inspection report is attached for your review Mr Randy Thomas, Operations Coordinator, was also present during the inspection and his time and assistance is greatly appreciated Stormwater from the facility drains to an unnamed tributary to Cabin Creek, a Class WS-II1 water located in the Cape Fear Raver Basin The site visit and file review revealed that the subject facility is covered by NPDES Stormwater General Permit-NCG020022 Accordingly, the following observations and/or permit conditions violations were noted during the Division of Water Quality inspection 1) Best Manap-ement Practices JBMP) Plan A Best Mana ement Practices (BMP) Plan has been developed, recorded, and properly implemented lye No❑ 2) Qualitative Monitoring Qualitative monitoring has been conducted and recorded in accordance with permit requirements es ❑ No ■ 3) Analytical Monitoring Anal tical monitoring has been conducted and recorded in accordance with permit requirements [Yes ■ No❑ N T`thCatolma atl/Pll11lf North Carolina Division of Water Quality 225 Green Street Srnre 714 Fayetteville, NC 2810) Phone (910) 433-1300 Customer Service Internet wu w newatergualrty ort; Fax (910) 486 0707 1 877 623 6748 An Equal Opportunity/Affirmative Action Employer — 50% Recycled/10% Post Consumer Paper Page 2 Mr Fatle February 28, 2007 Other Observations: As discussed during the inspection, the BMP Plan should be revised to include the mining area Also, it was suggested that a separate analytical momtonng event should be incorporated into the monitoring schedule for discharges that occur consisting only of stormwater Please refer to the inspection summary located on page 2 of the attached Compliance Inspection Report for additional comments and observations made during the inspection Re uested Response: You are asked to respond to this office, in writing, within 30 days from receipt of this report Your response should include a plan of action to address the aforementioned violations as well as a reasonable time frame that you expect to be in full compliance with the conditions of the general permit Thank you for your attention to this matter This office requires that the violations, as detailed above, be properly resolved. These violations and any future violations are subject to a civil penalty assessment of up to $25,000 per day for each violation. Should you have any questions regarding these matters, please contact Mr Lawyer or myself at (910) 433-3300 Sincerely, Belinda S Henson Regional Supervisor Surface Water Protection Section BSH ML/ml Attachments cc Randy Thomas, Operations Coordinator -Standard Mineral Division Donna Duessel, Environmental Engineer-R T Vanderbilt Co, Inc (via e-mail) FRO -Surface Water Protection NPS-Assistance & Compliance Oversight Unit Water Quality Central Files rn — ru cc F cc Postage $ Ir Certified Fee Er - Return Recetpt Fae G (Endorsement Requred} C3 Restricted delivery Fee to (Endorsement Required) Postmark Here James Fade � Total Po L.n R T Vanderbilt Company, Inc ru :nl ro Standard Mineral Division � feet ap P 0 Box 279 C3 ora s city gte Robbins, NC 27325 Permit NCG020022 S OC County Moore Region Fayetteville Compliance Inspection Report Effective 01/19/05 Expiration 12/31/09 Owner R T Vanderbuilt Cc Inc -Standard Mineral Div Effective Expiration Facility Standard Mineral Division -Robbins Mine 520 Talc Mine Rd Contact Person James Faile Directions to Facility Primary ORC Secondary ORC(s) On -Site Representative(s) On -site representative Related Permits Inspection Date 02/2612007 Primary Inspector Mike Lawyer Secondary Inspector(s) Certification Randy Thomas Robbins NC 27325 Phone 910-948-2266 Entry Time 09 45 AM Exit Time 12 20 I M Phone Phone 910-948-2266 Phone 910-433-3300 Ext,.129 33y9 Reason for Inspection Routine Inspection Type Compliance Evaluation Permit Inspection Type Mining Activities Stormwater Discharge COC Facility Status r1 Compliant ■ Not Compliant Question Areas N Storm Water (See attachment summary) ■ Complete Items 1, 2, and 3 Also complete Item 4 if Restricted Delivery is desired ■ Print your name and address on the reverse so that we can return the card to you ■ Attach this card to the back of the mailplece, or on the front if space permits 1 Article Addressed to 1 fames Failc R T Vanderbilt C,onipany, 111c Standard Mineral Dlviston P p Box 279 Robbins, NC 27325 A Signature �C`''•� !�"`�,L•a Ell Agent ❑Addressee 8 Received by Printed Name) C7 Date of Delivery D Is deliveryladdress different from item 1? ❑ Yes If YES, enter delivery address below ❑ No 3 Service Type ❑ Certified Mail ❑ Express Mail ❑ Registered ❑ Return Recelpt for Merchandise r 0 Insured Mall l7 C O D 4 Restricted Delivery? (Extra Fee) ❑ Yes 1 2 Article Number (Piansfer from service label) 7001 2 510 ' 0 0 0 6' 9 4 9 8 a 9 2'31 PS Form 3811, February 2004 Domestic Return Receipt 102595-02 M 1540 Permit NCG020022 Owner Facility R T Vanderbuilt Co Inc -Standard Mineral Dw Inspection Date 02/26/2007 Inspection Type Compliance Evaluation Reason for Visit Routine Inspection Summary The Robbins mine is operated and maintained by the R T Vanderbilt Company, Inc with an office/packaging area located across Spies Street from the mine A Best Management Practices (BMP) Plan has been developed that addresses spill prevention and response, employee training and housekeeping for the office/packaging area This BMP Plan should be revised to also include the mining area There is a single outfall at the Robbins mine, which is used for stormwater discharges as well as mine dewaterng Analytical monitoring data for this outfall was available from 2000 through 2006, however it was unclear if the discharge events were stormwater or mine dewatering A separate annual monitoring event should be included for discharges consisting solely of stormwater It was determined during the inspection that the office/packaging area also has an outfall, which would convey stormwater that is exposed to open dumpsters used for trash and scrap metal from equipment repairs Monitoring for stormwater discharges should begin immediatley at this additional outfall per the frequency requirements in the general permit Qualitative monitoring data for either outfall was not available Qualitative Monitoring Yes No NA NE Has the facility conducted its Qualitative Monitoring semi-annually'? ❑ ■ ❑ ❑ Comment At the time of inspection, there was no documentation pertaining to semi-annual visual monitoring Analytical Monitoring Yes No NA NE Has the facility conducted its Analytical monitoring? ■ ❑ ❑ ❑ # Has the facility conducted its Analytical monitoring from Vehicle Maintenance areas'? ❑ ❑ ■ ❑ Comment Although vehicle maintenance is conducted onsite, less than 55 gallons are used per month Permit and Outfalls Yes No NA NE # Is a copy of the Permit and the Certificate of Coverage available at the site? ■ ❑ ❑ ❑ # Were all outfalls observed during the inspection? ■ ❑ ❑ ❑ # If the facility has representative outfall status is It properly documented by the Division? ❑ ❑ ■ ❑ # Has the facility evaluated all illicit (non sto(mwater) discharges? ❑ ❑ ■ ❑ Comment During the inspection, it was determined that there is one discharge point at the office/packaging area and one at the mine pit Monitoring is currently being conducted at the mine pit only and should begin at the office/packaging area per the schedule in the general permit Page 2 1l 1 / February 2, 2007 Mr Jim Faile RT Vanderbilt Co, Inc -Standard Mineral Division PO Box 279 Robbins, NC 27325 Michael F Easley, Governor William G Ross Jr, Secretary North Carolina Department of Environment and Natural Resources Alan W Klimek P E Director Division of Water Quality r- Subject NPDES General Permit NCG020000 / Certificate of Coverage NCG020022 —3►s RT Vanederbilt Co, Inc Formerly Standard Mineral Co, Inc Moore County Dear Mr l~aile Division personnel have reviewed and approved your request to change your name under the General Permit, received on January 11, 2007 Please find enclosed the revised Certificate of Coverage The terms and conditions contained in the General Pernut remain unchanged and in full effect This revised Certificate of Coverage is issued under the requirements of North Carolina General Statutes 143-215 1 and the Memorandum of Agreement between North Carolina and the U S Environmental Protection Agency If you have any questions, please contact the Stormwater Permitting Unit at (919) 733-5083, extension 502 Sincerely, Alan W 11 Klimek P E cc DWQ Central Files rayettevdle Regional Office, Water Quality Section Stormwater Permitting Unit Nne r Caro ina Ntumlly North Carolina Division of Water Quality 1617 Mad Service Center Raleigh, NC 27699-1617 Phone (919) 733-7015 Customer Service Intemet h2o enr state nc us 512 N Salisbury St Raleigh, NC 27604 FAX (919) 733-2496 1 877-623-6748 An Equal Opportunity/Affirmative Action Employer— 50% Recyded110% Post Consumer Paper 41 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY GENERAL PERMIT NO. NCG020000 CERTIFICATE OF COVERAGE No. NCG020022 STORMWATER DISCHARGES NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM In compliance with the provision of North Carolina General Statute 143-215 1, other lawful standards and regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the Federal Water Pollution Control Act, as amended, RT VANDERBILT CO, INC -STANDARD MINERAL DIVISION is hereby authorized to discharge stormwater from a facility located at STANDARD MINERAL DIVISION-ROBBINS MINE 520 TALC MINE ROAD ROBBINS MOORE COUNTY to receiving waters designated as a UT of Cabin Creek, in the Cape Fear River Basin in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts 1, 1I, I1I, IV, V and VI of General Permit No NCG020000 as attached This certificate of coverage shall become effective February 2, 2007 This Certificate of Coverage shall remain in effect for the duration of the General Permit Signed this day February 2, 2007 Alan W Klimek, Director Division of Water Quality By Authority of the Environmental Management Commission O�G�C 1NArFgQG Michael F Easley, Governor William G Ross Jr, Secretary North Carolina Department of Environment and Natural Resources > .+ 0 Alan W Klimek P E Director Division of Water Quality February 2, 2007 Mr Jim F'aile RT Vanderbilt Co, Inc -Standard Mineral Division PO Box 279 Robbins, NC 27325 Subject NPDES General Permit NCG020000 Certificate of Coverage NCG020022 RT Vanederbilt Co, Inc Formerly Standard Mineral Co, Inc Moore County Dear Mr Faile Division personnel have reviewed and approved your request to change your name under the General Permit, received on January 11, 2007 Please find enclosed the revised Certificate of Coverage The terms and conditions contained in the General Permit remain unchanged and in full effect This revised Certificate of Coverage is issued under the requirements of North Carolina General Statutes 143-215 1 and the Memorandum of Agreement between North Carolina and the U S Environmental Protection Agency If you have any questions, please contact the Stormwater Pernutting Unit at (919) 733-5083, extension 502 Sincerely, 0R'13jN LSz:G" U "i Alan W Klimek P E cc DWQ Central Files I'ayetteville Regional Office, Water Quality Section Stormwater Perrmmng Unit N n` Carolina Aatum!!y North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone (919) 733-7015 Customer Service Internet h2o enr state nc us 512 N Salisbury St Raleigh NC 27604 FAX (919) 733-2496 l 877 623-6748 An Equal OpportunitylAffirmabve Action Employer — 50% Recycledl10% Post Consumer Paper A/ STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY GENERAL PERMIT NO. NCG020000 CERTIFICATE OF COVERAGE No. NCG020022 STORMWATER DISCHARGES NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM In compliance with the provision of North Carolina General Statute 143-215 1, other lawful standards and regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the Federal Water Pollution Control Act, as amended, RT VANDERBILT CO, INC -STANDARD MINERAL DIVISION is hereby authorized to discharge stormwater from a facility located at STANDARD MINERAL DIVISION-ROBBINS MINE 520 TALC MINE ROAD ROBBINS MOORE COUNTY to receiving waters designated as a UT of Cabin Creek, in the Cape Fear River Basin m accordance with the effluent limitations, monitoring requirements, and other conditions set forth to Parts I, II, 111, IV, V and VI of General Permit No NCGO20000 as attached This certificate of coverage shall become effective February 2, 2007 This Certificate of Coverage shall remain in effect for the duration of the General Permit Signed this day February 2, 2007 Alan W Klimek, Director ^ Division of Water Quality By Authority of the Environmental Management Commission W A rFiQQG Michael F Easley, Govemor William G Ross Jr Secretary �- North Carolina Department of Environment and Natural Resources 7nd--1 p -� Alan W Klimek, P E Director nC AA Division of Water Quality February 7, 2005 L.�rC f IR— F7F?® James Faile Ltd _,UO5 Standard Mineral Co DWQ /� PO Box 279 D{! Robbins, NC 27325 Subject NPDES Stormwater Permit Coverage Renewal Standard Mineral Co -Moore COC Number NCG020022 Moore County Dear Permittee In response to your renewal application for continued coverage under general permit NCG020000 the Division of Water Quality (DWQ) is forwarding herewith the reissued Stormwater general permit Please review the new permit to familiarize yourself with the changes in the reissued permit The general permit authorizes discharges of Stormwater and some types of wastewater You must meet the provisions of the permit for the types of discharges present at your facility This permit is reissued pursuant to the requirements of North Carolina General Statute 143-215 1 and the Memorandum of Agreement between the state of North Carolina and the U S Environmental Protection Agency, dated December 6, 1983 The following information is included with your permit package • A new Certificate of Coverage • A copy of General Stormwater Permit NCG020000 • A copy of a Technical Bulletin for the general permit • Five copies of Discharge Monitoring Report (DMR) Forms - wastewater and stormwater • Five copies of Qualitative Monitoring Report Form Your coverage under this general permit is not transferable except after notice to DWQ The Division may require modification or revocation and reissuance of the Certificate of Coverage This permit does not affect the legal requirements to obtain other permits which may be required by DENR or relieve the permittee from responsibility for compliance with any other applicable federal, state, or local law, rule, standard, ordinance, order, judgment, or decree If you have any questions regarding this permit package please contact Aisha Lau of the Central Office Stormwater Permitting Unit at (919) 733-5083, ext 578 Sincerely, for Alan W Klimek, P E cc Central Files Stormwater & General Permits Unit Files Fayetteville Regional Office WCar4ilAd Nanturally North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone (919) 733-7015 Customer Service Internet h2o enr state nc uslsulstormwater html 512 N Salisbury St Raleigh, NC 27604 FAX (919) 733-9612 1-877-623 6748 An Equal Opportunity/Affirmative Action Employer— 50% Recyded110% Post Consumer Paper STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY GENERAL PERMIT NO NCG020000 CERTIFICATE OF COVERAGE No NCG020022 STORMWATER AND PROCESS WASTEWATER DISCHARGES NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM In compliance with the provision of North Carolina General Statute 143-215 1, other lawful standards and regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the Federal Water Pollution Control Act, as amended, Standard Mineral Co is hereby authorized to discharge stormwater and to operate treatment systems and discharges associated with mine dewatering wastewater and process wastewater from a facility located at Standard Mineral Co -Moore 520 Talc Mine Rd Robbins Moore County to receiving waters designated as a UT ofCabin Creek, in the Cape Fear River Basin in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II, III, IV, V, and VI of General Permit No NCG020000 as attached This certificate of coverage shall become effective February 7, 2005 This Certificate of Coverage shall remain in effect for the duration of the General Permit Signed this day February 7, 2005 for Alan W Klimek, P E , Director Division of Water Quality By Authority of the Environmental Management Commission Michael F Easley Governor William G Ross Jr , Secretary North Carolina Department of Environment and Natural Resources Alan W Klimek P E Director Division of Water Quality February 7, 2005 James Faile Standard Mineral Co PO Box 279 Robbins, NC 27326 Subject NPDES Stormwater Permit Coverage Renewal Standard Mineral Co -Moore COC Number NCG020022 Moore County Dear Permittee In response to your renewal application for continued coverage under general permit NCG020000 the Division of Water Quality (DWQ) is forwarding herewith the reissued stormwater general permit Please review the new permit to familiarize yourself with the changes in the reissued permit The general permit authorizes discharges of stormwater and some types of wastewater You must meet the provisions of the permit for the types of discharges present at your facility This permit is reissued pursuant to the requirements of North Carolina General Statute 143-215 1 and the Memorandum of Agreement between the state of North Carolina and the U S Environmental Protection Agency, dated December 6, 1983 The following information is included with your permit package A new Certificate of Coverage • A copy of General Stormwater Permit NCG020000 • A copy of a Technical Bulletin for the general permit • Five copies of Discharge Monitoring Report (DMR) Forms - wastewater and stormwater • Five copies of Qualitative Monitoring Report Form Your coverage under this general permit is not transferable except after notice to DWQ The Division may require modification or revocation and reissuance of the Certificate of Coverage This permit does not affect the legal requirements to obtain other permits which may be required by DENR or relieve the permittee from responsibility for compliance with any other applicable federal, state, or local law, rule, standard, ordinance, order, judgment, or decree If you have any questions regarding this permit package please contact Aisha Lau of the Central Office Stormwater Permitting Unit at (919) 733-5083, ext 578 Sincerely for Alan W Klimek, P E cc Central Files Stormwater & General Permits Unit Files Fayetteville Regional Office One N6f Carohna �krrrr!!y North Carolina Division or Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone (919) 733-7015 Customer Servict. Internet h2o enr state nc uslsulstomnvater html 512 N Salisbury St Raleigh, NC 27604 FAX (919) 733-9612 1-877-623-6748 An Equal OpportunitylAl1rmative Action Employer — 50% Recycled110% Post Consumer Paper STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY GENERAL PERMIT NO NCG020000 CERTIFICATE OF COVERAGE No NCG020022 STORMWATER AND PROCESS WASTEWATER DISCHARGES NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM In compliance with the provision of North Carolina General Statute 143-215 1, other lawful standards and regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the Federal Water Pollution Control Act, as amended, Standard Mineral Co is hereby authorized to discharge stormwater and to operate treatment systems and discharges associated with mine dewatering wastewater and process wastewater from a facility located at Standard Mineral Co -Moore 520 Talc Mine Rd Robbins Moore County to receiving waters designated as a UT ofCabin Creek, in the Cape Fear River Basin in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts I, II, lil, IV, V, and VI of General Permit No NCG020000 as attached This certificate of coverage shall become effective February 7, 2005 This Certificate of Coverage shall remain in effect for the duration of the General Permit Signed this day February 7, 2005 for Alan W Klimek, P E , Director Division of Water Quality By Authority of the Environmental Management Commission ��J �J I � € r�Irl� l r a l I' ¢'�, . � �' ti +� ! }lr e € t „e j �E�✓z p ��fE i� V,✓ 1L +,f L 5}" err rf Iriti+rl i t��3 Il €. iw✓� •tl J�,✓/i , Pf �Jrl�� / �Lli'i,''ia_ I �� ` i e v it / G.,^ I i I !� �� / f�.„ � ✓,. 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NCG020000 CERTIFICATE OF COVERAGE No. NCG020022 STORMWATER AND PROCESS WASTEWATER DISCHARGES NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM 1n compliance with the provision of North Carolina General Statute 143-215 1, other lawful standards and regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the Federal Water Pollution Control Act, as amended, STANDARD MINERAL COMPANY, INC is hereby authorized to discharge stormwater and to operate or continue operation of treatment systems and discharges associated with mine dewatenng and process wastewater from a facility located at STANDARD MINERAL COMPANY, INC - ROBBINS MINE 520 TALC MINE ROAD ROBBINS MOORE COUNTY to receiving waters designated as a UT ofCabin Creek in the Cape Fear River Basin in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts I,11,1I1, IV, V, and VI of General Permit No NCG020000 as attached This certificate of coverage shall become effective December 17, 1999 This Certificate of Coverage shall remain in effect for the duration of the General Permit Signed this day December 17, 1999 for Kerr T Stevens, Director Division of Water Quality By Authority of the Environmental Management Commission State of aroma ~� Dep ent of Environment RECEIVED � • � Natural Resources Division of Water Quality D EC 1 5 1999 James B Hunt, Jr, Governor BIII Holman, Secretary FAYETTEVILLE NCDENR Kerr T Stevens, Director REG. OF-FICE NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES December 17, 1999 DONALD I TOWNE STANDARD MINERAL COMPANY, INC - ROBBINS MINE PO BOX 279 ROBBINS, NC 27325 Subject Reissue - NPDES Stormwater Permit Standard Mineral Company, Inc - Robbins Mine COC Number NCG020022 Moore County Dear Permittee In response to your renewal application for continued coverage under general permit NCG020000, the Division of Water Quality (DWQ) is forwarding herewith the reissued storm water general permit This permit is reissued pursuant to the requirements of North Carolina General Statute 143-215 1 and the Memorandum of Agreement between the state of North Carolina and the U S Environmental Protection Agency, dated December 6, 1983 The following information is included with your permit package * A copy of general stormwater permit NCG020000 * Five copies of the Analytical Monitoring form and five copies of the Qualitative Monitoring form * A copy of a Technical Bulletin on this permit which outlines permit components and addresses frequently asked questions * A Certificate of Coverage for your facility * DWQ fee schedule Your coverage under this general permit is not transferable except after notice to DWQ The Division may require modification or revocation and reissuance of the Certificate of Coverage This permit does not affect the legal requirements to obtain other permits which may be required by DENR or relieve the permittee from responsibility for compliance with any other applicable federal, state, or local law rule, standard, ordinance, order, judgment, or decree Please note that in 1998 Senate Bill 1366 established changes to the permit fee structure for DWQ permits effective January 1, 1999 This change requires that you pay an annual fee to assure continued coverage under this permit You will be invoiced for this fee beginning next year A copy of the current fee schedule is included with this letter If you have any questions regarding this permit package please contact Tony Evans of the Central Office Stormwater and General Permits Unit at (919) 733-5083, ext 584 Sincerely, for Kerr T Stevens Director, Division of Water Quality cc Central Files [Fayetteville Regional Office% 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone 919-733-5083 FAX 919-733-9919 An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper STATE OF NORTH CAROLINA DEPARTMENT OF FNVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY GENERAL PERMIT NO. NCG020000 CERTIFICATE OF COVERAGE No. NCG020022 STORMWATER AND PROCESS WASTEWATER DISCHARGES NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM In compliance with the provision of North Carolina General Statute 143-215 1, other lawful standards and regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the Federal Water Pollution Control Act, as amended, STANDARD MINERAL COMPANY, INC is hereby authorized to discharge stormwater and to operate or continue operation of treatment systems and discharges associated with mine dewatering and process wastewater from a facility located at STANDARD MINERAL COMPANY, INC - ROBBINS MINE 520 TALC MINE ROAD ROBBINS MOORE COUNTY to receiving waters designated as a UT ofCabin Creek in the Cape Fear River Basin in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts I, 1I, III, IV, V, and VI of General Permit No NCG020000 as attached This certificate of coverage shall become effective December 17, 1999 This Certificate of Coverage shall remain in effect for the duration of the General Permit Signed this day December 17, 1999 for Kerr T Stevens, Director Division of Water Quality By Authority of the Environmental Management Commission hb;kli t State of North Carolina Department of Environment, Health and Natural Resources Division of Envu-onmental Management 512 North Salisbury Street • Raleigh, North Carolina 27604 James B Hunt, Jr , Governor Jonathan B Howes, Secretary February 15, 1993 Donald J Towne 520 Talc Mine Road Robbins, NC 27325 Subject General Permit No NCG020000 Standard Mineral Company, Inc Robbins Mine COC NCG020022 Moore County Dear Mr. Towne In accordance with your application for discharge permit received on August 31, 1992, we are forwarding herewith the subject certificate of coverage to discharge under the subject state - NPDES general permit This permit is issued pursuant to the requirements of North Carolina General Statute 143-215 1 and the Memorandum of Agreement between North Carolina and the US Environmental Protection agency dated December 6, 1983 If any parts, measurement frequencies or sampling requirements contained in this permit are unacceptable to you, you have the right to request an individual permit by submitting an individual permit application Unless such demand is made, this certificate of coverage shall be final and binding Please take notice that this certificate of coverage is not transferable except after notice to the Division of Environmental Management The Division of Environmental Management may require modification or revocation and reissuance of the certificate of coverage This permit does not affect the legal requirements to obtain other permits which may be required by the Division of Environmental Management or permits required by the Division of Land Resources, Coastal Area Management Act or any other Federal or Local governmental permit that may be required Pollution Prevention Pays P O Box 29535, Raleigh North Carolina 27626-0535 Telephone 919-733-7015 An Equal Opportunity Affirmative Action Employer 14 If you have any questions concerning this permit, please contact Ms Susan Robson at telephone number 919n33-5083. cc. Fayetteville Regional Office Sin MINI Signed By Coleen H Sullins A. Preston Howard, Jr Acting Director 6 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT, HEALTH, AND NATURAL RESOURCES DIVISION OF ENVIRONMENTAL MANAGEMENT STORMWATER, MINE DEWATERING, AND/OR OVERFLOW FROM PROCESS WATER RECYCLE SYSTEMS DISCHARGES In compliance with the provision of North Carolina General Statute 143-215 1, other lawful standards and regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the Federal Water Pollution Control Act, as amended, Standard Mineral Company, Inc is hereby authorized to continue operation of a treatment system for mine dewatering with the discharges of treated wastewater and discharge stormwater from a facility located at Robbins Mine Town of Robbins Moore County to receiving waters designated as an unnamed tributary to Cabin Creek in the Cape Fear River Basin in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts I,11, III and IV of General Permit No NCG020000 as attached. This certificate of coverage shall become effective February 15,1993 This Certificate of Coverage shall remain in effect for the duration of the General Permit. Signed this day February 15, 1993 Original Signed QY Coleen H. Sullins A Preston Howard, Jr, PX , Acting Director Division of Environmental Management By Authority of the Environmental Management Commission 0 0 0 N w 0 0 N N 0 0 N 0 0 N 0 0 N m 0 0 N 0 0 N Quarter Total uspen a SolidsTurbiditya ea eSolids p mg/I NTU's MI/I units Exiting ROP Exiting GOP Exiting ROP Exiting GOP Exiting ROP Exiting GOP Exiting ROP Exiting GOP 1 St 21 51 23 8 <0 1 01 326 380 2nd - - - - - - - - 3rd 8 34 1 24 <0 2 <0 1 235 313 4th 17 1 19 6 <0 1 <0 1 256 316 1 St 28 8 202 142 <0 2 <0 2 254 401 2nd 78 4 294 427 <0 1 <0 1 285 310 3rd - - - - - - - - 4th 7 <1 10 1 <0 1 <0 1 324 371 1 St 4 1 58 09 <0 1 <0 1 297 313 2nd 51 - 891 - 01 - 297 - 3rd - 4 - 83 - <0 1 - 619 4th 20 6 21 9 <0 1 <0 1 302 586 1st 54 11 22 9 <0 1 <0 1 314 546 2nd 52 14 77 22 <0 1 <0 1 328 606 3rd 6 24 13 26 <0 1 <0 1 332 586 4th 231 2 270 9 1 <0 1 335 594 1 St 56 11 32 4 <0 1 <0 1 31 307 2nd 30 12 12 22 <0 1 <0 1 296 655 3rd 51 13 35 21 <0 1 <0 1 27 646 4th 330 25 31 24 <0 1 <0 1 541 55 1st 42 28 69 14 <0 1 <0 1 304 298 2nd 132 10 114 18 <0 1 <0 1 299 277 3rd 360 13 289 8 <0 1 <0 1 312 373 4th 67 30 85 12 <0 1 <0 1 283 566 1 St 54 19 39 11 <0 1 <0 1 516 600 2nd 7 6 12 40 <0 1 <0 1 368 647 3rd 15 52 6 70 <0 1 <0 1 247 55 4th 530 6 322 10 07 <0 1 633 452 1st 2nd 3rd 4th 2000 Quarter H results Exiting ROP Entering ROP Cabin Creek Bear Creek Rascob Rd Exiting GOP 1 st 326 fi 77 648 654 - 380 2nd 282 637 657 - - 348 3rd 235 - 571 - - 313 4th 256 - 632 - - 316 2001 Quarter H results Exiting ROP Entering ROP Cabin Creek Bear Creek Rascob Rd Exiting GOP 1 st 254 - 556 - - 401 2nd 285 - 600 - - 310 3rd - - - - - - 4th 324 - 617 - - 371 2002 H results 0Quarter Exiting ROP Entering ROP Cabin Creek Bear Creek Rascob Rd Exiting GOP 1 st 297 - 638 - - 313 2nd 297 - 662 - - - 3rd - - 618 - - 619 4th 302 - 458 - - 586 2003 Quarter pH results Exiting ROP Entering ROP Cabin Creek Bear Creek Rascob Rd Exiting GOP 1 st 314 - 593 - - 546 2nd 328 - 566 - - 606 3rd 332 - 615 - - 586 4th 335 - 64 - - 594 2004 Quarter H results Exiting ROP Entering ROP Cabin Creek Bear Creek Rascob Rd Exiting GOP 1 st 31 - 676 - - 307 2nd 296 - 489 - - 655 3rd 27 - 634 - - 646 4th 541 - 65 - - 55 2005 Quarter pH results Exiting ROP Entering ROP Cabin Creek Bear Creek Rascob Rd Exiting GOP 1 st 304 549 607 NA 589 298 2nd 299 - 648 - 692 277 3rd 312 - 65 - 408 373 4th 283 - 56 - 618 566 pillell Quarter pH results Exiting ROP Entering ROP Cabin Creek Bear Creek Rascob Rd Exiting GOP 1 st 516 - 679 - 514 600 2nd 368 - 638 - 732 647 3rd 247 - 587 - 563 55 4th 633 - 685 - 363 452 r 27 1275 us 14 1 1425 I 1283 \ 1437 - i� 404rr6A - 14 $ y 1 ISM 1002 up, � 14,_,-jam 1400 — so' [nm.ltrwren `7f 1002 1 • �r f L { 1 ,SDI ,12Y5 L 1432 �] 12 1S r =• r 1434 r Y I eo Yl 1433 _ -- T o.a.00ai 1 3 4 1308 12841332 + l 12io wr o tad+. c� pp NOT TO SCALE R. T. VANDERBILT CO., INC. STANDARD MINERAL DIVISION ROBBINS MINE SHEFFIELD TOWNSHIP MOORE COUNTY NORTH CAROLINA OCTOBER 2011 a C LAYTO N Engidneering Civil and Envlronri�erital PO Box 578 Coats, North Carolina 27521 Phone 910-897-7070 Fax 910-897-6767 License No 0-2570 www ctclayton com f SHEETINDEX COVER SHEET MINE MAP 1 RECLAMATION MAP 2 DETAILS 3 DETAILS 4 DETAILS 5 DETAILS B EROSION 8 SEDIMENT CONTROL CALCULATIONS 7 ocmao CTC Jr o.xc, l)CT9BER 21 2911 pm- WLF s1c r•o.1 • 150003 moan GTC JE -- 15o993 uAsd.9 Peus 01c CT ��l 1�f�vgRY PE oArE HALF SC4LEO R 8 DA-9 51 DA- t l -10 h 1 5 ' f DA-7 1 -n r 7 DA-4 DA-2 1 DA- h OA- pQ DA-H , r 1 � r 7 NOW OR FORMERLY DAN H LOCKARD k NORMA K LOCKARD D B 408 PC 798 PIN 861DD0585456 NOW OR FORMERLY NOW OR FORMERLY DAN H LOCKARD k NORMA K LOCKARD STANDARD MINERAL CO INC D 6 401 PG 113 D B 101 PC 372 PIN 861000696941 PIN 86H)00765B75 " i - r '•-��"ii i''r�%i'1`,'t 'i ��1 ',; �1'I, II tl ifWIT ' 'NbWOR,FARME LY, \" ilii lii; lll'i1` STANDARD, MINE AL CINq B' 464 PG A 861000793014 ''� PROPERTY Ll �' \� = _PERMIT B011NOARY _'_ PROP RT1LINE ' / � r rGVFRa11RDFN ml -}--sa DRAINAGE AREA MAP i NOT TO SCALE ^ . _ `\ ,1 B' GPP J ems/ 1 SPILLWAY'S i ' �72 X 26 DISCHARGE COPE OR- I SPILLWAY ` E ANEN NG r -' , CHANNEC- ��f / \ OND _ - _ �80 AC1, %, • X -- - - - - - - - -�6 HOPE OR-13 51 -_�-- -`�.a' _ -Y 'PIT DEWATERING ` -i-; ---—_--- TCE MAIN _i�i-rFlif]PHiT1�L1NE�dc = :r' r 'i- PERMIT 0OUNO - J EXISTING CULVERT --_ TO BE REPLACED HOW OR FORMERLY__W/ 60 LF 30' CPP DAN H LOCKARD k I, t .r li y / { =ex O 1 505, CULVEIT Aft'- 1; NORMA K LOCKARDfil X 108 0 B 567 PC 267 fJrr PIN 861OW571088 ) 'I + Aj////I. ( XI TING ACCESS, , - 1Iy' HAUL ROADS �t, I I C, �.. f ' s I GERBURDE '', "' \ \349 AC DISPOSAL ;11i ' �, r l Fr.R�IDE T�� EXI�7INC III, 81AREAAC )_ -. * Ill',DDRAIN TO \ 0X58„AC.OU 0 1 ``'s\ NOW OR FORMERLY DAN H LOCKARD do NORMA K LOCKARD 06 56B PC 03 PIN 861000560373 , i'i' ' �, T i f 111'1` 11, ff I r i i'+`,,,,ljg\ `'�•\� yl II11, r - � \�-..---- -- EDGE PF RIGHT-OF-WAY le PERMIT BOUNDARY FY ROAb NOW OR FORMERLY STANDARD MINERAL CO INC D B 101 PC 372 _ PIN 86H)00766875 w/f FA r DISPOSAL AREA +29 AC-� NOW OR FORMERLY _ TULA VERLENE MANESS ` D B 329 PG 40 PIN 861000890248 NOW OR FORMERLY TULA VERLENE MANESS Q B 329 PG 40 ` PIN 861000891387 NEAREST OCCUPIED ' STRUCTURE r • /5� 1 50 gU ER ~ EDGE J� RIGHT-OF-WAY, ,& PERMIT' - /^\_ ! BOUNDARY r ' „ - F iJ1 !& - J I� I / PLANT,174 AC; rlr ;rr ri,'i [� Irrrf l;'r ]LISTING DUST CONTROL/4YHEEL ASH SYSTEM ' ',1 co ri ` WELL 600 FT DEEP ' 1 5 GAL/WN , 'I EIOS 7 HG STOCKPILE i f' AREAS r r J NOW OR FORMERLY STANDARD MINERAL CO INC D B 101 PG 372 PIN 861000766875 TYPICAL WASTE PILE DETAIL SCALE IN -I -W DISTURBED AREA CATEGORY AFFECTED ACREAGE TAILINGS SEDIMENT PONDS 180 STOCKPILES 287 WASTEPILES 1511 HAUL ROADS 349 PROCESSING PLANT 174 MINE EXCAVATION 2684 OTHER MISC EXCAVATION 0 58 TOTAL DISTURBED ACREAGE 1 53 A - - LEGEND PROPERTY BOUNDARY - - - - - EXISTING PERMIT BOUNDARY _ ----- -- - - - BUFFER LINE CLEARING/GRADING LIMITS - -- - - - - - - - - - EXISTING CONTOUR PROPOSED CONTOUR TREE LINE - - - - - - - - - - - - - - AREA OUTLINE PROPOSED CULVERT TO TEMPORARY DIVERSION DITCN/BERM SF SEDIMENT FENCE SBl SEDIMENT BASIN $74 SEDIMENT TRAP DITCH SEDIMENT TRAP /T6 CHECK DAM OP7 OUTLET PROTECTION RR RIPRAP SECTION A -A NOTE MAXIMUM CUT SLOPE IN BEDROCK 1/2 HORIZONTAL SCALE 1 •50' TO T VERTICAL MAXIMUM CUT SLOPE IN SOIL OR WEATHERED ROCK 1 1/2 HORIZONTAL TO 1 VERTICAL GRAPHIC SCALE a 200 400 wo V=2W General Nolm 1 SOURCE TOPO AND BOUNDARY SURVEY AERIAL TOPO BY CAROLINA RESOURCE MAPPING BOUNDARY SURVEY 2011 BY STREAMLINE SURVEYING PREL1 FOR REVI ONLY NOT RELEASED F CONSTRUCTION J CLAYTON Engineering Clvll and Envlron man[at P gas 57e Coal North Cw ft— 27521 � 910 e 7 7070 F— 91"87- 767 1Jcrw'w No C-2570 rnw da�ymn.cam 2011 PERMIT RENEWAL R T VANDERBILT CO INC STANDARD MINERAL DIVISION ROBBINS MINE SHEFFIELD TOWNSHIP MOORE COUNTY NORTH CAROLINA ��"" 1'AOQ! '� 1700W NSe Arq a.*.w CTCJr o�1Y CiCi �� CTCi MINE MAP 10121111 1 1 =2W OF7 i 7 NOW OR FORMERLY DAN H LOCKARD & NORMA K LOCKARD DO 408 PC 798 PIN 861000585456 ------------- ��P1�OPERIY uN�=dry -PERMIT OUN AR NOW OR FORMERLY CAN H LOCKARD & NORMA K LOCKARD D B 567 PC 267 I PIN 861000571088 ;I f ------------ -- RBI) ++ WASTE I fr TO BE GRADED ;r NOW OR FORMERLY DAN H LOCKARD & NORMA K LOCKARD D B 568 PC 83 PIN 861000560373 S 9 S NOW OR FORMERLY STANDARD MINERAL CO INC 0 B 101 PC 372 PIN 8610DO766875 NOW OR FORMERLY NOW OR FORMERLY NOW OR FORMERLY _ - TULA VERLENE MANESS DAN H LOCKARD & NORMA K LOCKARD STANDARD MINERAL CO INC _ _ - 0 B 329 PC 4O 0 B 401 PG 113 0 8 101 PC 372 PIN 861000890248 PIN 66100006941 ! PIN 861000766875 _ , _ NOW OR FORMERLY T _ _ - TULA VERLENE MANESS D B 329 PG 40 PIN 861OW891387 i 1 +ii� ii� rr ,, I r�i illy NDSY.OR FA,RMERILYI ` ' I ,` STANDARD MINERAL 60', INd B 164 PG 574- INi 8610007T730114 rPROPERTY LINE OVERBUROEI NOW OR FORMERLY STANDARD MINERAL CO INC 0 B 101 PC 372 PIN 861000766875 Gmerel N.Ift 1 FENCE BARRICADE TO BE 6 FT H CHAIN LINK FENCE WITH 3 STRAIN BARBED WIRE ON TOP do WARNINI SIGNS AT 50 FT SPACING LOCATE FEET MIN FROM TOP OF SLOPE EXTENSION ARMS (T)P 10-G MAY NO 4 BARE CU GROUND WIRE, WEAVE TNRU FENCE FABRIC AND CONNECT W TOP STRAND OF BARBED VM FLEMLE CU STRAP AND GROUND ROD (AT ALL CORNER POSTS) NOS I ORE `SLEEVE COUPLING (20r-D` O C ) FINISH GRADES IN ` TRUSS RGD' IIIII u fxiH TURNVLUy LE -le 16 DOD PSI OA -3CLAD STEEL GROUND ROD CONCRETE FILL DRIVEN TVP ALL POSTS o FLLSm INTO NROWRID (TTP ) TYPICAL CHAIN LINK FENCE DETAIL EXISTING STABLE - VEGETATED SLOPE SECTION A -A SCALE 1 e W MINE EXCAVATION — TYPICAL WASTE PILE RECLAMATION PaLI � v FOR R. ONLY MOT RELEASED F CONSTRUCTIO1 ta. � J CLAYTON 440 1 E�gineerir 430 Clvll and EnvliPn me�tel .20 FOB— s7e cn.1. New, coven. a; — 616e07 70M Fo 91"%7-07 4tO LI.— No C-2E70 erw r+we ~ u 41XI 2011 PERMIT RENEWAL 390 R T VANDERBILT CO INS 3 370 STANDARD MINERAL DIVISI 351) ROBBfNS MINE 350 SHEFFIELDTO"SHIP MOORECOUN NORTHCAROUNA MMN. 15= .«New 15I)m cm k d�N{ MAF a��er CTC JA � � CTC k " RECLAMATION GRAPHIC SCALE MAP 0 2DO 400 800 TOl21N11 1" = 2D0 N " 2 1 = 2CA OF 7 PLAN CLASS B 2 EROSION CORRUGATED RUBBER HOSE TOP OF DAM �T CONTROL STONE HOPE SKIMMER DESIGN WATER SURFACE 1 MAXIMUM SEDIMENT ELEV BOTTOM ELEV — FILTER FABRIC 48' CORRUGATED HDPE OR STEEL TI SCREEN W/ ANTI- VORTEX BAFFLES 30' SMOOTH -INTERIOR CORRUGATED HOPE RISER CORRUGATED RUBBER HOSE r HOPE SKIMMER) BOTTOM I B� SQUARE CONCRETE PAD - LONGITUDINAL SECTION NOTES, 1 MEMBRANE LINING SPILLWAY TO BE ONE PIECE ACROSS WIDTH AND ONE PIECE ALONG LENGTH IF POSSIBLE TO SPLICE PIECES LAP UPPER PIECE OVER LOWER AND ANCHOR EDGE OF LOWER PIECE O TYPICAL SEDIMENT BASIN .".SCALE SCALE WATERTIGHT ANTI --SEEP COLLAR ,�--COMPACTED EARTH DAM CUT-OFF TRENCH IN UNDISTURBED 20 SOIL - EXTEND ALONG SIDES TO IN ELEVATION OF TOP OF RISER ARM ASSEfHLY V ETA2ASRARE WA7E1P OYi17y LMI PERSPECTIVE VIEW NLWE qNF M7PC PARE kV#'' EAb !CAP fiL1PE fCBOIF PEE' 07ER SEWACIE N[lPE "0 GAP Iw7PE PIPE ND"E PFE I/2 NCIE3 w Myr tEf IMOER90f ORFX Ni1PE TEE PLATE n nrw F NA7.^.£ ASW PPE Y: at ENO VIEW FRONT VIEW ILLUSTRATION OF SKIMMER ANCHOR EDGES IMPERMEABLE W/ 8' STAPLES COMPACTED EARTH GEOTEXTILE OR OR PINS ON CAM DAM LAMINATED PLASTIC BURY EDGES IN BOTTOM ANCHOR TRENCH DPE PIPE WIDTH 1 3J 3A SECTION THROUGH SPILLWAY SEDIMENT BASIN DIMENSIONS NUMBER BOTTOM LENGTH I BOTTOM WIDTH BOTTOM ELEV SURFACE ELEV Top OF DAM ELEVATION MAXIMUM SEDIMENT ELEVATION SPILLWAY SKIMMER DIAMETER ORIFICE DIAMETER CREST ELEVAHON BOTTOM WIDTH SB1 101 46 4290 431 0 4235 4300 4 1 83 SB2 84 1 37 1 4640 466 4 467 5 4650 468 0 3 4 1 60 SB3 65 1 27 1 4710 4730 4745 4720 473 0 3 4 1 38 18' SMOOTH -INTERIOR CORRUGATED HOPE 18 SINGLE -WALL BARREL THROUGH DAM/CORRUGATED HDPE PIPE BEYOND TOE SEDIMENT BASIN 1 PIPE SPILLWAY NOT TO SCALE SPECIFICATIONS I SITE PREPARATIONS CLEAR GRUB AND STRIP TOPSOIL FROM AREAS UNDER THE EMBANKMENT TO REMOVE TREES VEGETATION ROOTS AND OTHER OBJECTIONABLE MATERIAL DELAY CLEARING THE POOL AREA UNTIL THE DAM IS COMPLETE AND THEN REMOVE BRUSH TREES AND OTHER OBJECTIONABLE MATERIALS TO FACILITATE SEDIMENT CLEANOUT STOCKPILE ALL TOPSOIL OR SOIL CONTAINING ORGANIC MATTER FOR USE ON THE OUTER SHELL OF THE EMBANKMENT TO FACILITATE VEGETATIVE ESTABLISHMENT PLACE TEMPORARY SEDIMENT CONTROL MEASURES BELOW THE BASIN AS NEEDED 2 CUT-OFF TRENCH EXCAVATE A CUT-OFF TRENCH ALONG THE CENTER LINE OF THE EARTH FILL EMBANKMENT CUT THE TRENCH TO STABLE SOIL MATERIAL, BUT IN NO CASE MAKE IT LESS THAN 2 FEET DEEP THE CUT-OFF TRENCH MUST EXTEND INTO BOTH ABUTMENTS TO AT LEAST THE ELEVATION OF THE RISER CREST OR THE SPILLWAY CREST IF THERE 15 NO RISER MAKE THE MINIMUM BOTTOM NORTH WIDE ENOUGH TO PERMIT OPERATION OF EXCAVATION AND COMPACTION EQUIPMENT BUT IN NO LASE LESS THAN 2 FEET MAKE SIDE SLOPES OF THE TRENCH NO STEEPER THAN 11 COMPACTION REQUIREMENTS ARE THE SAME AS THOSE FOR THE EMBANKMENT KEEP THE TRENCH DRY DURING RACKFILLING AND COMPACTION OPERATIONS 3 EMSANIQIENT TAKE FILL MATERIAL FROM THE APPROVED AREAS SHOWN ON THE PLANS IT SHOULD BE CLEAN MINERAL SOIL, FREE OF ROOTS WOODY VEGETATION ROCKS AND OTHER OBJECTIONABLE MATERIAL SCARIFY AREAS ON WHICH FILL IS TO BE PLACED BEFORE PLACING FILL THE FILL MATERIAL MUST CONTAIN SUFFICIENT MOISTURE 501T CAN BE FORMED BY HAND INTO A BALL WITHOUT CRUMBLING IF WATER CAN BE SQUEEZED OUT OF THE BALL N IS TOO WET FOR PROPER COMPACTION PLACE FILL MATERIAL IN 6 TO E INCH CONTINUOUS LAYERS OVER THE ENTIRE LENGTH OF THE FILL AREA AND COMPACT IT COMPACTION MAY BE OBTAINED BY ROUTING THE CONSTRUCTION HAULING EOUIPMEW OVER THE. FILL TO THAT THE ENTIRE SURFACE OF EACH LAYER IS TRAVERSED BYAT LEAST ON WHEEL OR TREAD TRACK OF HEAVY EQUIPMENT OR A COMPACTOR MAY BE USED CONSTRUCT THE EMBANKMENT TO AN ELEVATION 10 PERCENT HIGHER THAN THE DESIGN HEIGHT TO ALLOW FOR SETTLING 4 CONDUIT SPILLWAYS SECURELY ATTACH THE RISER TOME BARREL OR BARREL STUB TO MAKE A WATERTIGHT STRUCTURAL CONNECTION SECURE ALL CONNECTIONS BETWEEN BARREL SECTIONS BY APPROVED WATERTIGHT ASSEMBLIES PLACE THE BARREL AND RISER ON A FIRM SMOOTH FOUNDATION OF IMPERVIOUS SOIL DO NO USE PERVIOUS MATERIAL SUCH AS SAND GRAVEL OR CRUSHED STONE AS BACKFILL AROUND THE PIPE OR ANTI -SEEP COLLARS PLACE THE FILL MATERIAL AROUND THE PIPE SPILLWAY IN 44NCH LAYERS AND COMPACT IT UNDER AND AROUND THE PIPE TO AT LEAST THE SAME DENSITY AS THE ADJACENT EMBANKMENT CARE MUST BE TAKEN NOT TO RAISE THE PIPE FROM FIRM CONTACT WITH ITS FOUNDATION WHEN COMPACTING UNDER THE PIPE HAUNCHES PUCE A MINIMUM OF 2 FEET OF COMPACTED BACKFILL OVER THE PIPE SPILLWAY BEFORE CROSSING IT WITH CONSTRUCTION EQUIPMENT ANCHOR THE RISER IN PLACE BY CONCRETE OR OTHER SATISFACTORY MEANS TO PREVENT FLOTATION IN NO CASE SHOULD THE PIPE CONDUIT BE INSTALLED BY CUTTING A TRENCH THROUGH THE DAM AFTER THE EMBANKMENT IS COMPLETE 3 EMERGENCY SPILLWAY INSTALL THE EMERGENCY SPILLWAY IN UNDISTURBED SOIL THE ACHIEVEMENT OF PLANNED ELEVATIONS GRADE, DESIGN WIDTH AND ENTRANCE AND EXIT CHANNEL SLOPES ARE CRITICAL TO THE SUCCESSFUL OPERATION OF THE EMERGENCY SPILLWAY 6 INLETS DISCHARGE WATER INTO THE BASIN IN A MANNER TO PREVENT EROSION USE DIVERSIONS WITH OUTLET PROTECTION TO DIVERT SEDIMENTa ADEN WATER TO THE UPPER END OF THE POOL TO IMPROVE BASIN TRAP EFFICIENCY T EROSION CONTROL CONSTRUCT THE STRUCTURE SO THAT THE DISTURBED AREA 15 MINIMIZED DIVERT SURFACE WATER AWAY FROM BARE AREAS COMPLETE THE EMBANKMENT BEFORE THE AREA IS CLEARED STABILIZE THE EMERGENCY SPILLWAY EMBANKMENT AND ALL OTHER DISTURBED AREAS ABOVE THE CREST OF THE PRINCIPAL SPILLWAY IMMEDIATELY AFTER CONSTRUCTION MAINTENANCE INSPECT TEMPORARY SEDIMENT BASINS AFTER EACH SIGNIFICANT 1112 INCH OR GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY REMOVE SEDIMENT AND RESTORE THE BASIN TO ITS ORIGINAL DIMENSIONS WHEN IT ACCUMULATES TO ONE44ALF THE DESIGN DEPTH PLACE REMOVED SEDIMENT IN AREAS WITH SEDIMENT CONTROLS CHECK THE EMBANKMENT SPILLWAYS AND OUTLET FOR EROSION DAMAGE AND INSPECT THE EMBANKMENT FOR PIPING AND SETTLEMENT MAKE ALL NECESSARY REPAIRS IMMEDIATELY REMOVE ALL TRASH AND OTHER DEBRIS FROM THE RISER AND POOL AREA 2 2 2 COMPACTED EARTH BERM11 1_ ff_ I 2 GROUND 1011— I —I I t�l I TQ� Y 1p -III—I I I I F ffit I _1IF CONSTRUCTION 1 REMOVE AND PROPERLY DISPOSE OF ALL TREES BRUSH STUMPS OR OTHER OBJECTIONABLE MATERIAL FILL AND COMPACT ALL [)ITCHES SCALE$ OR GULLIES THAT WILL BE CROSSED TO NATURAL GROUND LEVEL OR ABOVE. 2 JUST BEFORE PLACEMENT OF FAA- THE BASE OF THE RIDGE W40UM Be DISKED BY MACHINERY $ EXCAVATE SHAPE AND STABILIZE THE DIVERSION TO LINE GRADE AND CROSS SECTION AS SHOWN ON THE DRAWINGS 4 SEED AND MULCH IMMEDIATELY UPON COMPLETKIN MAtNTEKANCB I INSPECT PERMANENT DIVERSIONS AFTER EVERY RAINFALL EVENT OF 112 INCH OR MORE IMMEDIATELY OUTLET PROTECTION REMOVE ANY OBSTRUCTIONS FROM THE FLOW AREA AND REPAIR THE DIVERSION RIDGE CHECK OUTLETS AND MAKE TIMELY REPAIRS AS NEEDED MAINTAIN THE VEGETATION IN A VIGOROUS HEALTHY C0HDfnON AT ALL TIMES TYPICAL DIVERSION DITCH BERM NOT TO SCALE Genera; Notes MUM =1_07�111111111111111111111 FOR REV) ONLY NOT RELEASED F CONSTRUCTIO r� CLAYTON v Engineerir CIVIL wnd r0l'f rrYE nti F'O box 676 Cub North C- 2 PI a 916e9i 16TU Fix 91"07- 1 Llw.re Ne C SM - o�yi . 2011 PERMIT RENEWAL R T VANDERBILT CO IN STANDARD MINERAL DIVISI ROBBINS MINE SHEFFIELD TOWNSHIP MOORE COUI• NORTH CAROLINA TrtE� 1tl0003 Rr llr�r 15aW3 t)*relr CTCX a...., YALF CTC u.wn DETAILS 10121/11 N1° 3 AS NOTED OF 7 ATTACHING TWO SEDIMENT FENCES 9v -w APPROO TELY 17 FL. f[R FFBTBC NOS OF FILTER KAM 11E END MATERIAL SELL7ELY FA9GC MATERIAL POST OF THE FASTENED) W 111E )ACT EXTEND INTO SECOND FENCE POSTS AND ?HE NRE MESH A TRENCH AM BE AIIIN NTH —�}y�� Bt>i INSDE THE END POST OF m: COMPACTED BAH]OXL YATDBAL FAST /ENCE STEEL POST Its N/lF ROTATE BOTH POSTS AT LEAST 5 INN GM DEGREES N RWOFF _ A C A tDNtECTION � fI TO CREA A SEAL V A 7KMIT SEAL 111M THE FABBC MATERIAL 14 IN MKOION OF RUNOFF WATERS ( ) MPROAMATE } } } -- BONE 4-*CH BY POST ARPIT tO 6-NCI O® _ ACES NTO M TRENCH OROUAO AID NAY FLAP MATERIALS 1 USE A SYNTHETIC FILTER FABRIC OF AT LEAST 05% BY WEIGHT OF POLYOLEFINS OR POLYESTER, WHICH IS CERTIFIED BY THE MANUFACTURER OR SUPPLIER AS CONFORMING TO THE REQUIREMENTS IN ASTM D 6M61 WHICH IS SHOWN IN PART IN TABLE 682B SYNTHETIC FILTER FABRIC SHOULD CONTAIN ULTRAVIOLET RAY INHIBITORS AND STABILIZERS TO PROVIDE A MINIMUM OF 6 MONTHS OF EXPECTED USABLE CONSTRUCTION LIFE AT A TEMPERATURE RANGE OF D TO 120' F 2 ENSURE THAT POSTS FOR SEDIMENT FENCES ARE 133 UYUNEAR FT STEEL WITH A MINIMUM LENGTH OF 5 FEET MAKE SURE THAT STEEL POSTS HAVE PROJECTIONS TO FACILITATE FASTENING THE FABRIC 3 FOR REINFORCEMENT OF STANDARD STRENGTH FILTER FABRIC USE WIRE FENCE IMTH A MINIMUM 14 GAUGE AND A MAXIMUM MESH SPACING OF 61NCHES CONSTRUCTION 1 CONSTRUCT THE SEDIMENT BARRIER OF STANDARD STRENGTH OR EXTRA STRENGTH SYNTHETIC FILTER FABRICS 2 ENSURE THAT THE HEIGHT OF THE SEDIMENT FENCE DOES NOT EXCEED 24 INCHES ABOVE THE GROUND SURFACE. (HIGHER FENCES MAY IMPOUND VOLUMES OF WATER SUFFICIENT TO CAUSE FAILURE OF THE STRUCTURE) 3 CONSTRUCT THE FILTER FABRIC FROM A CONTNUOUS ROLL CUT TO THE LENGTH OF THE BARRIER TO AVOID JOINTS WHEN JOINTS ARE NECESSARY SECURELY FASTEN THE FILTER CLOTH ONLY AT A SUPPORT POST WITH 4 FEET MINIMUM OVERLAP TO THE NEXT POST 4 SUPPORT STANDARD STRENGTH FILTER FABRIC BY WIRE MESH FASTENED SECURELY TO THE UPSLOPE SIDE OF THE POSTS EXTEND THE WIRE ME5H SUPPORT TO THE BOTTOM OF THE TRENCH FASTEN THE WIRE REINFORCEMENT THEN FABRIC ON THE UPSLOPE SIDE OF THE FENCE POST WIRE OR PLASTIC ZIP TIES SHOULD HAVE MINIMUM 50 POUND TENSILE STRENGTH 5 WHEN A WIRE MESH SUPPORT FENCE IS USED SPACE POSTS A MAXIMUM OF 8 FEET APART SUPPORT POSTS SHOULD BE DRIVEN SECURELY INTO THE GROUND A MINIMUM OF 24 INCHES 8 EXTRA STRENGTH FILTER FABRIC WITH 8 FEET POST SPACING DOES NOT REQUIRE WIRE MESH SUPPORT FENCE SECURELY FASTEN THE FILTER FABRIC DIRECTLY TO POSTS WIRE OR PLASTIC ZIP TIES SHOULD HAVE MINIMUM 50 POUND TENSILE STRENGTH 7 EXCAVATE A TRENCH APPROXIMATELY 4 INCHES WIDE AND 6 INCHES DEEP ALONG THE PROPOSED LINE OF POSTS AND UPSLOPE FRCM THE BARRIER (FIGURE 8 62A) A PLACE 12 INCHES OF THE FASRIC ALONG THE BOTTOM AND SIDE OF THE TRENCH 9 BACIffAL THE TRENCH WITH COMPACTED SOIL PLACED OVER THE FILTER FABRIC THOROUGH COMPACTION OF THE BACKFILL IS CRITICAL TO SILT FENCE PERFORMANCE 10 DO NOT ATTACH FILTER FABRIC TO EXISTING TREES WADING OF POSTS FILTER FABRIC TO BE 6 FEET MAX APART MATERIAL TRENCH FOR ADDITIONAL STRENGTH FILTER FABRIC MATERIAL SHALL BE ATTACHED TO A 6-4NCH (MAX) MESH WIRE SCREEN MACH HAS BEEN FASTENED TO THE POSTS INSTEAD OF EXCAVATING A TRENCH PLACING FABRIC AND THEN BACKFILLING TRENCH SEDIMENT FENCE MAY BE INSTALLED USING SPECIALLY DESIGNED EQUIPMENT THAT UNSEATS THE FABRIC INTO A CUT SLICED IN THE GROUND WITH A DISC INSTALLATION SPECIFICATIONS 1 THE BASE OF BOTH ENO POSTS SHOULD BE AT LEAST ONE FOOT HIGHER THAN THE MIDDLE OF THE FENCE CHECK WITH A LEVEL IF NECESSARY 2 INSTALL POSTS 4 FEET APART IN CRITICAL AREAS AND 8 FEET APART ON STANDARD APPLICATIONS 3 INSTALL POSTS 2 FEET DEEP ON THE DOWNSTREAM SIDE OF THE SILT FENCE AND AS CLOSE AS POSSIBLE TO THE FABRIC ENABLING POSTS TO SUPPORT THE FABRIC FROM UPSTREAM WATER PRESSURE 4 INSTALL POSTS WITH THE NIPPLES FACING AWAY FROM THE SILT FABRIC 5 ATTACH THE FABRIC TO EACH POST WITH THREE TIES ALL SPACED WITHIN THE TOP 61NCHES OF THE FABRIC ATTACH EACH TIE DIAGONALLY 45 DEGREES THROUGH THE FABRIC PITH EACH PUNCTURE AT LEAST 1 INCH VERTICALLY APART ALSO EACH TIE SHOULD BE POSITIONED TO HANG ON A POST NIPPLE WHEN TIGHTENED TO PREVENT SAGGING 8 WRAP APPROXIMATELY 6 INCHES OF FABRIC AROUND THE ENO POSTS AND SECURE OATH 3 TIES 7 NO MORE THAN 24 INCHES OF A 36 INCH FABRIC IS ALLOWED ABOVE GROUND LEVEL 8 THE INSTALLATION SHOULD BE CHECKED AND CORRECTED FOR ANY DEVIATIONS BEFORE COMPACTION 9 COMPACTION IS VITALLY IMPORTANT FOR EFFECTIVE RESULTS COMPACT THE SOIL I IMEDIATELY NEXT TO THE SILT FENCE FABRIC WITH THE FRONT WHEEL OF THE TRACTOR SKID STEER OR ROLLER EXERTING AT LEAST 60 POUNDS PER SQUARE INCH COMPACT THE UPSTREAM SIDE FIRST AND THEN EACH SIDE TWICE FOR A TOTAL OF 4 TRIPS MAINTENANCE 1 INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL MAKE ANY REQUIRED REPAIRS IMMEDIATELY 2 SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR DECOMPOSE OR BECOME INEFFECTIVE, REPLACE IT PROMPTLY 3 REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEOUATE STORAGE VOLUME FOR THE NEXT RAIN AND TO REDUCE PRESSURE ON THE FENCE TAKE CARE TO AVOID UNDERMNINO THE FENCE DURING CI.EANOUT 4 REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA TO GRADE AND STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED O TYICAL SEDIMENT FENCE NOT TO SCALP 5t I I LING F7UNU SCALE lAr - 14r •E �. if�7. •. ■yy `��`E��` •.yy77gg • •-fir a•X: •ri'� i. ~vie' Fwa ma—m—w rs'~ o ... � r�1'i.- , OUTLET PROTECTION DIMENSIONS LOCATION NUMBER TAILWATER CON04TION bo Lo W RIPRAP SIZE APRON THICKNESS T MINIMUM TB' 19 2i CLASS 1 23 9 MINIMUM 30 21 23 CLAB SS 18 SPECIFICATIONS 1 ENSURE THAT THE SUBGNADE FOR THE FILTER AND RIPRAP FOLLOWS THE REQUIRED LINES AND GRADES SHOWN IN THE PLAN COMPACT ANY FILL REQUIRED N THE SUBGRADE TO THE DENSITY OF THE SURROUNDING UNDISTURBED MATERIAL LOW AREAS IN THE SUBGRADE ON UNDISTURBED SOIL MAY ALSO BE FILLED BY INCREASING THE RIPRAP THICKNESS 2 THE RIPRAP AND GRAVEL FILTER MUST CONFORM TO THE SPECIFIED GRADING UMRS SHOWN ON THE PLANS 3 FILTER CLOTH WHEN USED MUST MEET DESIGN REOUIREIMENTS AND BE PROPERLY PROTECTED FROM PUNCHINO OR TEARING DURING INSTALLATION REPAIR ANY DAMAGE BY REMOVING THE RIPRAP AND PLACING ANOTHER PIECE OF FILTER CLOTH OVER THE DAMAGED AREA ALL CONNECTING JOINTS SHOULD OVERLAP A MINMUM OF 1 FT IF THE DAMAGE IS EXTENSIVE REPLACE THE ENTIRE FILTER CLOTH 4 RIPRAP MAY BE PLACED BY EQUIPMENT BUT TAME CARE TO AVOID DAMAGING SHE FILTER 5 THE MN3MJM THICKNESS OF THE RIPRAP SHOULD BE 15 TAMES THE MAXI HUM STONE DIAMETER 8 RIPRAP MAY BE FIELD STONE OR ROUGH QUARRY STONE IT SHOULD BE HARD AHGIRAR HIGHLY WFATHERAESISTANT AND WELL GRADED 7 CONSTRUCT THE APRON ON ZERO GRADE WITH NO OVEREAL.L AT THE ENO MAKE THE TOP OF THE RIPRAP AT THE DOWMSTREAM END LEVEL YAM THE RE "ANG AREA OR SUGIHTLY BELOW R 6 ENSURE THAT THE APRON 19 PROPERLY ALIGNED WITH THE RECEIVING STREAM AND PREFERABLY STRAIGHT THROUGHOUT ITS LENGTH IF A CURVE IS NEEDED TO FIT SITE CONDITIONS PLACE R IN THE UPPER SECTION OF THE APRON IMMEDIATELY AFTER CONSTRUCTION STABILIZE ALL DISTURBED AREAS WITH VEGETATION MAINTENANCE 1 INSPECT RIP -RAP OUTLET STRUCTURES WEEKLY AND AFTER SIGMFICANT (112 INCH OR GREATER) RAINFALL EVENTS TO SEE IF ANY EROSION AROUND OR SELOWW THE RIP -RAP HAS TAKEN PLACE OR IF STONES RAVE BEEN DISLODGED PROMPTLY )MAKE ALL NEEDEDREPAIRS TO PREVENT FURTHER DAMAGE. O PIPE OUTLET PROTECTIONL NOT TO SCALE 4-4 8 .8 . B 18 'a-, 8' 15 SLAB WALL POST TYPICAL IT- W SETTLING POND SPILLWAY DISCHARGE STRUCTURE SCALE 1F2'•11r B PVC PIPE W/ LOOSE CAP 24 DIAMETER SMOOTH - INTERIOR CORRUGATED HOPE PIPE RISER EMBEDDED IN SLAB 12 HDPE PIPE 10 tf 12- ffRFORATED lDPq PIPE ISURROUNDED BY 1#57 SITONE 3 WOE 12' X4 I -_ HDPE -I I i I I— FABRICATFD TEE _ _ — II=II_ 1 1- 4 HOPE DRAIN LINE-� — 1 4 X 4 0 X 12 FABRICATED 4- PE BALL VALVE CON 6 90 BEND SETTLING POND SPILLWAY SCALE UI .14r CRUSHED LIMESTONE GABION 3 -8 STONE SIZE CRUSE LIMES' GABIO #4 ST SIZE '--CRUSHED LIMESTONE GABION 3 -8' STONE SIZE GABfOrN LAYOUT DETAIL SCALE Vir = 1 -V No RernafOMswe PRELINIINARY -r. FOR NEVI wONLY NOT RELEASED FC I CONSTRUCTION � ClAYT EngiON neer�n Clvfl and Envl�onm�nt�l PO 8— 676 Co.a North csrvlln. 21 Ph 910- 977070 F—StO-691-07 Llr TJO C-2070—dWylata 2011 PERMIT RENEWAL R T VANDERBILT CO INI STANDARD MINERAL DIVISI, ROBBINS MINE SHEFFIELD TOWNSHIP MOORE COUN NORTH CAROL.INA 150007 -- M110003 Owti-a4 CT" aver VIF am.+ti CTCTr CTCA enr+� DETAILS ar 1012tI11 4 AS NOTED OF 7 COMPACTED EARTH DAM EXCAVAT10N N I DIMENSION B" ? i DIM A" ^ { 21 N a �Kj LEVEL 2 1 2 1 LEVEL SPILLWAY NI BAFFLE 2 1 NI PLAN SEDIMENT TRAP DIMENSIONS (FEET) TRAP IO BOTTOM WIDTH A BOTTOM LENGTH 13 DEPTIT WEIR LENGTH ST4 4 27 4 D 4 ST5 34 85 40 12 CLASS B EROSIC CONTROL STONE LONGITUDINAL SECTION AT SPILLWAY CLASS B EROSION CONTROL STONE HEIR LENGTH 2 _ COMPACTED I —1' III I 1—III—III—III— 1�I I FABRIC EARTH SECTION THROUGH SPILLWAY SPECIFICATIONS 1 CLEAR, GRUB AND STRIP THE AREA UNDER THE EMBANKMENT OF ALL VEGETATION AND 9 DISCHARGE INLET WATER INTO THE BASIN IN A MANNER TO PREVENT EROSION USE ROOT MAT REMOVE ALL SURFACE SOIL CONTAINING HIGH AMOUNTS OF ORGANIC MATTER TEMPORARY SLOPE DRAINS OR DIVERSIONS WITH OUTLET PROTECTION TO DNERT AND STOCKPILE OR DISPOSE OF IT PROPERLY HAUL ALL OBJECTIONABLE MATERIAL TO SEDIMENT{ADEN WATER TO THE UPPER END OF THE POOL AREA TO IMPROVE BASIN TRAP THE DESIGNATED DISPOSAL AREA EFFICIENCY (REFERENCES RUNOFF CONTROL MEASURES AND OUTLET PROTECTION) 10 ENSURE THAT THE STONE SPILLWAY OUTLET SECTION EXTENDS DOWNSTREAM PAST THE 2 ENSURE THAT FILL MATERIAL FOR THE EMBANKMENT IS FREE OF ROOTS W000Y TOE OF THE EMBANKMENT UNTIL STABLE CONDITIONS ARE REACHED AND OUTLET VEGETATION ORGANIC MATTER AND OTHER OBJECTIONABLE MATERIAL PLACE THE FILL IN VELOCITY IS ACCEPTABLE FOR THE RECEIVING STREAM LIFTS NOT TO EXCEED 91NCHES AND MACHINE COMPACT IT OVER FILL THE EMBANKMENT 8 INCHES TO ALLOW FOR SETTLEMENT 11 KEEP THE EDGES OF THE STONE OUTLET SECTION FLUSH WITH THE SURROUNDING GROUND AND SHAPE THE CENTER TO CONFINE THE OUTFLOW STREAM 3 CONSTRUCT THE OUTLET SECTION IN THE EMBANKMENT PROTECT THE CONNECTION 12 DIRECT EMERGENCY BYPASS TO NATURAL STABLE AREAS LOCATE BYPASS OUTLETS SO BETWEEN THE RIPRAP AND THE SOIL FROM PIPING BY USING FILTER FABRIC OR A KEYWAY THAT FLOW WILL NOT DAMAGE THE EMBANKMENT CUTOFF TRENCH BETWEEN THE RIPRAP STRUCTURE AND SOIL PLACE THE FILTER FABRIC BETWEEN THE RIPRAP AND THE 504L EXTEND THE FABRIC ACROSS THE SPILLWAY 13 STABILIZE THE EMBANKMENT AND ALL DISTURBED AREAS ABOVE THE SEDIMENT POOL AND FOUNDATION AND SIDES TO THE TOP OF THE DAM OR EXCAVATE A KEYWAY TRENCH DOWNSTREAM FROM THE TRAP IMMEDIATELY AFTER CONSTRUCTION ALONG THE CENTER LINE OF THE SPILLWAY FOUNDATION EXTENDING UP THE SIDES TO THE HEIGHT OF THE DAM THE TRENCH SHOULD BE AT LEAST 2 FEET DEEP AND 2 FEET WIDE 14 SHOW THE DISTANCE FROM THE TOP OF THE SPILLWAY TO THE SEDIMENT CLEAHOUT WITH 1 1 SIDESLOPES LEVEL (112 THE DESIGN DEPTH) ON THE PLANS AND MARK IT IN THE FIELD 4 CLEAR THE POND AREA BELOW THE ELEVATION OF THE CREST OF THE SPILLWAY TO 15 INSTALL POROUS BAFFLES AS SPECIFIED IN PRACTICE 6 65 POROUS BAFFLES FACIIJTATE SEDIMENT CLEANOUT MAINTENANCE 5 ALL CUT AND FILL SLOPES SHOULD BE 2 1 OR FLATTER INSPECT TEMPORARY SEDIMENT TRAPS AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT 8 ENSURE THAT THE STONE (DRAINAGE) SECTION OF THE EMBANKMENT HAS A MINIMUM 1K INCH OR GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY REMOVE SEDIMENT AND BOTTOM WIDTH OF 3 FEET AND MAXIMUM SIDE SLOPES OF 1 1 THAT EXTEND TO THE RESTORE THE TRAP TO ITS ORIGINAL DIMENSIONS WHEN THE SEDIMENT WAS BOTTOM OF THE SPILLWAY SECTION ACCUMULATED TO ONE HALF THE DESIGN DEPTH OF THE TRAP PLACE THE SEDIMENT THAT IS REMOVED IN THE DESIGNATED DISPOSAL AREA, AND REPLACE THE PART OF THE GRAVEL 7 CONSTRUCT THE MINIMUM FINISHED STONE SPILLWAY BOTTOM WIDTH AS SHOWN ON THE FACING THAT IS IMPAIRED BY SEDIMENT PLANS WITH 2 1 SIDE SLOPES EXTENDING TO THE TOP OF THE OVER FILLED EMBANKMENT KEEP THE THICKNESS OF THE SIDES OF THE SPILLWAY OUTLET STRUCTURE AT A MINIMUM CHECK THE STRUCTURE FOR DAMAGE FROM EROSION OR PIPING PERIODICALLY CHECK OF 21 INCHES THE WEIR MUST BE LEVEL AND CONSTRUCTED TO GRADE TO ASSURE THE DEPTH OF THE SPILLWAY TO ENSURE IT IS A MINIMUM OF 15 FEET BELOW THE LOW DESIGN CAPACITY POINT OF THE EMBANKMENT IMMEDIATELY FILL ANY SETTLEMENT OF THE EMBANKMENT TO SLIGHTLY ABOVE DESIGN GRADE ANY RIPRAP DISPLACED FROM THE SPILLWAY MUST BE 8 MATERIAL USED IN THE STONE SECTION SHOULD BE A WELL -GRADED MIXTURE OF STONE REPLACED IMMEDIATELY WITH A D50 SIZE OF 9 INCHES (CLASS B EROSION CONTROL STONE IS RECOMMENDED) AND A MAXIMUM STONE SIZE OF 14 INCHES THE STONE MAY BE MACHINE PLACED AND THE AFTER ALL SEDIMENT PRODUCING AREAS HAVE BEEN PERMANENTLY STABILIZED REMOVE SMALLER STONES WORKED INTO THE VOIDS OF THE LARGER STONES THE STONE SHOULD THE STRUCTURE AND ALL UNSTABLE SEDIMENT SMOOTH THE AREA TO BLEND WITH THE BE HARD ANGULAR, AND HIGiHLY WEATHER -RESISTANT ADJOINING AREAS AND STABILIZE PROPERLY sT SEDIMENT TRAP NOT TO SCALE Clayton, Sr PE, Inc erva a a.vnlrrsniu iNaaaituxa SEDIMENT TRAP ST4 WLF 12 2011 Oraslage area number1 4' 1D-Year FUDW Q,n i 1 2B ft'186C I Drahlaga area 0 4 acres Dlswbed area: 0 40 acres Vbkmie required = 36W ftper acre disturbed area [--MWX 04= _ 11 440 ft Solace area ragAdred = 435 tiz per ft'/aec O,e I 1-435 X 128 = I 1 !{ 557 ft' Trap Is rectargidur I- SralaCe elevation I - Bottom elevation' 422 Baffle Sizing -- Pondhg depth I 4 R I I I Height 411t Sloe slope ratio 2h Tv' - I I I Sides" rabo I 2h 1v Surface Width I 20 ft I I I _ ° Tap Width I - _ _ Surface length 1 _ 43 I 1 _ _-2'It _ Base Widm - 4 .4 + 2_ Surface area =120 x IWW 43 IL -I 2 151 = Bole- ADEQUATE I 18 ft Nee =�(2 + 18) l2 x 4 Bottom{d wm I 4 I 1 1 - - _ _ I =I 40 th Bottom kwVM i 27 I I I i - ni Lr ='(20 + 4)12 - Bo(tom are = 4 x 27 , 1 --� - _-� 12 ft _ _ _ _ _ T-- =1 108 R� _ I - _ vbkma =+40 x 12 Pondagvokmle=l(860+108)Rx4-480 i_ I =I 480'R' _ _ =1 1 45fi e _ ADEQLATE- - - I- wetrlenathl- alrt DIMENSIONS TRAP ID BOTTOM LENGTH BOTTOM WIDTH WEIR LENGTH DT6 26 2 4 DT7 25 2 4 DT8 32 6 8 DT9 32 6 6 DTIO z6 2 4 DTII 26 2 4 SPECIFCATIONS 1 PLACE STRUCTURAL STONE (CLASS A) TO THE LINES AND DIMENSIONS SHOWN ON THE PLAN ON A FILTER FABRIC FOUNDATION THE CREST WIDTH OF THE DAM SHOULD BE A MINIMUM OF 1 S FEET 2 KEEP THE CENTER STONE SECTION AT LEAST 6 INCHES BELOW THE END WHERE THE DAM ABUTS THE CHANNEL BANKS 3 PLACE SEDIMENT CONTROL STONE Q57) ON THE UPSTREAM SIDE OF THE DAM THAT IS A MINIMUM OF 1 FOOT THICK 4 EXCAVATE SEDIMENT STORAGE AREA TO THE DIMENSIONS SHOWN ON THE PLAN ro ClnytOn, Sr, PE, Inc WE Standard Mineral RobblrBMine NI/II l aMLNAfNt•L LNCM it4.Na �ro # 150003 1 SEDIMENT TRAP STS � pV Julty 14 2011 B)r WLIF I I _ IFF Orainaga are nlxnber 51- I I 10-year rAX1olf Q15 3 26 ft3t5ec I I I I Drainge aarea 4 31'aeres urbed area 1 1 02 acres Ors - VhYm1e rear;edl= 3600 ft' per acre drshfted area I I 1 �3600 X 162- 3672 Ift'- Suafecs area requiredl= 435 Rr Per ft'/sec Q+e- 11=435 X 3 28 _ _ 1411ft I - Trap m rectangular Surface elevation 1426 5' _- _ BoRom elevation } 42211 I _ _ _ 1 Baffle SFiing- PondhV dej-j 35 ft_ _I I height 1 35 Side alope ratio 2h 1vI I Silo ebperaW i_ 2h 1v _ _ Surface widm __28 ft _ _ I -- -� -- Suriece lengm _ m I Top Wid2 j Base VMh -14 x 3 5 + 2 _&1; Surface = 28 64 =� 2 2 I -_ =16 ft area x ILNW _ - - - - - =1 1792 ft= IADEQUATE I _ I Area =f(2 + 16)12 x 3 5 —_ Bottom width Ii _ 141 I I =1 31 5 f? Botom Wigth 4 _ 50' _ I Len9m = + 14)/2 _ Bottom area = 14 x 50 _ -v-_- _ _ _ 1 -lWhxne•i315x21 =1(28 21,ft 700ft, I Pordvig volume:! (1792 + 700) Q x 3 5 _ 681 5 _ _ �� 681 5Lft'- = 3 700 ft' IADEQUATE _ PLAN LONGITUDINAL SECTION WEIR LENGTH 2 2 1 1 I Iil win 1i! I CROSS SECTION NTENANCE INSPECT CHECK DAMS AND CHANNELS AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT (1/2 INCH OR GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY CLEAN OUT SEDIMENT STRAW LIMBS OR OTHER DEBRIS THAT COULD CLOG THE CHANNEL WHEN NEEDED ANTICIPATE SUBMERGENCE AND DEPOSITION ABOVE THE CHECK DAM AND EROSION FROM HIGH FLOWS AROUND THE EDGES OF THE DAM CORRECT ALL DAMAGE IMMEDIATELY REMOVE SEDIMENT ACCVMULATED BEHIND THE DAMS AS NEEDED TO PREVENT DAMAGE TO CHANNEL VEGETATION ALLOW THE CHANNEL TO DRAIN THROUGH THE STONE CHECK DAM AND TO PREVENT LARGE FLOWS FROM CARRYING SEDIMENT OVER THE DAM ADD STONES TO DAMS AS NEEDED TO MAINTAIN DESIGN HEIGHT AND CROSS SECTION DT DITCH SEDIMENT TRAP NOT TO SCALE General Nava No I Re iwrvlvim PRELTC FOR RONLY NOT RELEASED ONSTRLICFK] CLAYTON Engine�erir civil end Envlro nta Pp sex 570 C—t- Np Carnih,. 2 hen Pn 91"Cil 7070 F— 9104197- L k�Nm G2570 Mww fti.~ c 2011 PERMIT RENEWAL R T VANDERBILT CO IN STANDARD MINERAL DIVISI ROBBINS MINE SHEFFIELD TOWNSHIP MOORE COUI, NORTH CAROHNA "'0�"i� rsppw �"" i'J00a3 CTc A '"^ °' 1CF CTC.k Crc J, mNi tw DETAILS ei' 10rJtl11 °"'r 5 AS NOTED OF 7 k e� CHANNEL S1 CHANNEL S2 I� 44 18 CHANNEL S3 GRASS -LINED CHANNEL NOT TO SCALE CHANNEL S4 FROM THE Ym ON THE TW FOR BULKING TER MAY ENTER WON THE AHINEL WITH OC )TES DURING EVERY L. CHECK RTICURARLY BANK ANT SEDIMENT E GRASS IN A ION 14' THICK RIPRAP 6 MEDIAN STONE SIZE 9" MAXIMUM STONE SIZE FILTER FABRIC =I SPECIFICATIONS 1 PREPARE THE SUBGRADE FOR RIPRAP AND FILTER TO THE REQUIRED LINES AND GRADES SHOWN ON THE PLANS COMPACT ANY FILL REQUIRED IN THE SUBGRADE TO A DENSITY APPROXIMATING THAT OF THE SURROUNDING UNDISTURBED MATERIAL OR OVERFILL DEPRESSIONS WITH RIPRAP REMOVE BRUSH TREES STUMPS AND OTHER OBJECTIONABLE MATERIAL. CUT THE SUBGRADE SUFFICIENTLY DEEP THAT THE FINISHED GRADE OF THE RIPRAP WILL BE AT THE ELEVATION OF THE SURROUNDING AREA 2 PLACE FILTER FABRIC DIRECTLY ON THE PREPARED FOUNDATION OVERLAP THE EDGES BY AT LEAST 12 INCHES AND SPACEANCHOR PINS EVERY 3 FT ALONG THE OVERLAP BURY THE UPSTREAM END OF THE FABRIC A MINIMUM OF 12 INCHES BELOWGROUND TAKE CARE NOT TO DAMAGE THE FABRIC WHEN PLACING RIPRAP IF DAMAGE OCCURS REMOVE THE RIPRAP AND REPAIR THE SHEET BYADDING ANOTHER LAYER OF FILTER MATERIAL WITH A MINIMUM OVERLAP OF 12 INCHES AROUND THE DAMAGED ARE1L IF EXTENSIVE DAMAGE IS SUSPECTED REMOVE AND REPLACE THE ENTIRE SHEET 3 PLACEMENT OF RIPRAP SHOULD FOLLOW IMMEDIATELY AFTER PLACEMENT OF THE FILTER PLACE RIPRAP SO THAT IT FORMS A DENSE, WELL -GRADED MASS OF STONE WITH A MINIMUM OF VOIDS THE OESIREO DISTRIBUTION OF STORES THROUGHOUT THE MASS MY BE OBTAINED BY SELECTIVE LOADING AT THE QUARRY AND CONTROLLED DUMPING DURING FINAL PLACEMENT PLACE RIPRAP TO ITS FULL THICKNESS IN ONE OPERATION DO NOT PLACE RIPRAP BY DUMPING THOUGH CHUTES OR OTHER METHODS THAT CAUSE SEGREGATION OF STONE SIZES TAKE CARE NOT TO DISLODGE THE UNDERLYING BASE OR FILTER WHEN PLACING THE STONES THE TOE OF THE RIPRAP SLOPE SHOULD BE KEYED TO A STABLE FOUNDATION THE TOE SHOULD BE EXCAVATED TO A DEPTH OF ABOUT 15 TIMES THE DESIGN THICKNESS OF THE RIPRAP AND SHOULD EXTEND HORIZONTALLY FROM THE SLOPE THE FINISHED SLOPE SHOULD BE RELATIVELY SMOOTH UNIFORM AND FREE OF POCKETS OF SMALL STONES OR VOIDS BETWEEN LARGE STONES HAND PLACING MAY BE NECESSARY TO ACHIEVE THE PROPER DISTRIBUTION OF STONE SIZES RR RIPRAP SLOPE PROTECTION NOT TO SCALE MIN 12 F5 WASHED STONE CLASS A STONE UPSTREAM SIDE—\ r AX CiNTER HL1ER FABRIC SECTION A — A A L- THE DISTANCE SUCH THAT FONTS B //, /\/\\ A AND D ARE OF EQUAL ELEVATION NOTES (1) STORE SHOULD BE PLACED OVER THE CHANNEL BANKS TO KEEP WATER FROM CUTTING AROUND THE DAM (2) STONE CHECK pAAlS 9401" BE SPACED IN A CHANNEL SO THAT THE CREST OF THE 00 NWREAM DAM IS AT THE SAME ELEVATION OF THE TOE OF UPSTREAM DAM SPECIFICATIONS 1 PLACE STRUCTURAL STOVE (CLASS A) TO THE LINES AND DIMENSIONS SHOWN ON THE PLAN ON A FILTER FABRIC FOUNDATION THE CREST WIDTH OF THE CAM SHOULD BE A MINIMUM OF 15 FEET 2 KEEP THE CENTER STONE SECTION AT LEAST B INCHES BELOW THE END WHERE THE DAM ABUTS THE CHANNEL BANKS 3 PLACE SEDIMENT CONTROL STONE (957) ON THE UPSTREAM SIDE OF THE DAM THAT IS A MINIMUM OF 1 FOOT THICK. 4 EXCAVATE SEDIMENT STORAGE AREA TO THE DIMENSIONS SHOWN ON THE RAN MAINTENANCE INSPECT CHECK DAMS AND CHANNELS AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT (1J2 INCH OR GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY CLEAN OUT SEDIMENT STRAW LIMBS OR OTHER DEBRIS THAT COULD CLOG THE CHANNEL WHEN NEEDED ANTICIPATE SUBMERGENCE AND DEPOSITION ABOVE THE CHECK DAM AND EROSION FROM HIGH FLOWS AROUND THE EDGES OF THE DAM CORRECT ALL DAMAGE IMMEDIATELY REMOVE SEDIMENT ACCUMULATED BEHIND THE DAMS AS NEEDED TO PREVENT DAMAGE TO CHANNEL VEGETATION ALLOW THE CHANNEL TO DRAIN THROUGH THE STONE CHECK DAM AND TO PREVENT LARGE FLOWS FROM CARRYING SEDIMENT OVER THE DAM ADD STONES TO DAMS AS NEEDED TO MAINTAIN DESIGN HEIGHT AND CROSS SECTION TYPICAL ROCK CHECK DAM NOT TO SCA. E TEMPORARY & PERMANENT SEEDING rs Ps TEMPORARY SEEDING SCHEDULE DATES SPECIES RATE (L91ACRE) JAN 1 MAY 1 RYE (GRAIN) 120 KOBE LESPEDF2A 5G MAY 1 AUG 15 GERMAN MILLET 40 NOV 1 DEC 31 RYE {GRAIN) 120 SOIL AMENDMENTS FOLLOW RECOMMENbATKXNS OF SOIL TESTS OR APPLY 2 ODD LBIACRE GROUND AGRICULTURAL LIMESTONE AND 75D LBIACRE 10-10.10 FERTILIZER MULCH APPLY 20DO LBIACRE SMALL GRAIN STRAW AND TACKYITH ASPHALT OR CRIMP MAINTENANCE REFERTLIYE IF GROWTH IS NOT FULLY ADEQUATE RESEED REFERTLIZE AND MULCH IMMEDIATELY FOLLOWING EROSION OR OTHER DAMAGE TOPDRESS RYE SEEDED IN FALL OR EARLY WINTER WITH 50 U31ACRE OF NITROGEN W MARCH IF R IS NECESSARY TO EXTEND TEMPORARY COVER OF RYE BEYOND JUNE 15 OVERSEED WITH SO LBIACRE KOBE LESPEDEZA IN LATE FEBRUARY OR EARLY MARCH PERMANENT SEEDING SCNEDIN F FOR GRA554JNED CHANNELS DATES SPECIES RATE(LIVACRE) BEST AUG 15 OCT 31 TALL FESCUE 200 POSSIBLE FEB 1 APR 15 NURSE PLANTS PRIOR TO MAY 1 OR AFTER AUG 15 ADD 40 LBlACRE RYE (GRAIN) SOIL AMENDMENTS FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 4 ODD LBIACRE GROUND AGRICULTURAL LIMESTONE AND 1000 L&ACRE 10-1040 FERTILIZER OPERATE TOO LAGE EQUIPMENT ACROSS THE WATERWAY MULCH USE A ROLLED EROSION CONTROL PRODUCT TO COVER THE BOTTOM OF CHANNELS AND DITCHES AND STAPLE SECURELY THE LINING SHOULD EXTEND ABOVE THE HIGHEST CALCULATED DEPTH OF FLOW MAINTENANCE INSPECTAND REPAIR MULCH FREQUENTLY REFERTLIZE IN LATE WINTER OF THE FOLLOWING YEAR FOLLOW RECOMMENDATIONS OF 5011. TESTS OR USE 150 U 31ACRE OF 10-10-10 MOW REGULARLYTO A HEIGHT OF 2-4 INCHES PERMANENT SEEDING SCHEDULE FOR AREAS OTHER THAN CHANNELS SPECIES RATE(LBIACRE) 3 1 AND STEEPER SLOPES SLOPES FLATTER THAN 3 1 TALL FESCUE 100 SO SERICEA LESPEDEZA 30 20 KOBE LESPEIIEZA 30 30 AFTER AUGUST 15 USE UNSCARIFIED SERICEA SEED NURSE PLANTS PRIOR TO MAY 1 OR AFTER AUG 15 ADD 40 LBNACRE RYE (GRAIN) SEEDING DATES BEST POSSIBLE FALL AUG 25 SEP 15 AUG 20 OCT 2S LATE VNTER FEB 15 MAR 21 FEB 1 APR 15 FALL IS BEST FOR TALL FESCUE AND LATE WINTER FOR LESPEDEZAS OVERSEEMNG OF KOBE LESPEDEZA OVER FALL -SEEDED TALL FESCUE IS VERY EFFECTIVE, SOL AMENDMENTS FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY DOD L WACRE GROUND AGRICULTURAL LIMESTONE AND 1000 LBIACRE 1D-10-10 FERTIIZER MULCH APPLY 2,OD0 L&ACRE GRAIN STRAW ANCHOR BY TACKING WITH ASPHALT OR CRIMPING ON SLOPE 3 1 OR $TEEPER ANCHOR STRAW WITH NETTING MAINTENANCE REFERTLIZE IN THE SECOND YEAR UNLESS GROWTH IS FULLY ADEQUATE MAY BE MOWED ONCE OR TWICE AYEAR BUT MOWING 15 NOT NECESSARY REFERTILIZE RESEED AND MULCH DAMAGED AREAS IMMEDIATELY SPECIFICATIONS 1 PLOW COMPACTED AREAS S )MONIES DEEP 2 APPLY TOPSOIL IF AVAILABLE 3 APPLY HME AND FERTILIZER UNIFORMLY AND INCORPORATE INTO THE TOP 44i INCHES OF SOIL IF A HYDRAULIC SEEDER IS USED DO NOT MIX SEED AND FERTILIZER MORE THAN 30 MINUTES BEFORE APPLICATION 4 UNLESS HYDROSEEDING IS USED BREAK UP LARGE CLODS IF SURFACE IS SEALED LOOSEN IT IMMEDIATELY BEFORE SEEDING BY RAKING DISKING NARROWING OR OTHER SUITABLE METHODS GROOVE OR FURROW SLOPES STEEPER THAN 1 ON THE CONTOUR BEFORE SEEDING 5 EVENLY APPLY SEED USING A CYCLONE SEEDER (BROADCAST) DRILL, CULTIPACKER SEEDER OR HYDROSEEDER SMALL GRAINS SHOULD BE PLANTED NO MORE THAN ONE INCH DEEP GRASSES AND LEGUMES NO MORE THAN 112 INCH O BROADCAST SEED MUST BE COVERED BY RAKING OR CHAIN DRAGGING AM THEN LIGHTLY FIRMED PITH A ROLLER OR CLLTIPAKER HYDROSETEOED MIXTURES SHOULD INCLUDE A WOOD FIBER (CEMLULOSE) MULCH T IN AREAS NOT HYDROSEEDED MULCH WITH GRAIN STRAW SEE SEEDING SCHEDULES No I Revlziory e I PRELNINALIRY— FOR REVIPW ONLY NOT RELEASED FCP CONSTRUCTIO I-,— ,JF C LAYTO N Eal i ;eie clvll snd Envlron m.6r[i PO lime a Ga N Cwdh- 2' Pt— 910 7 T07D Fix 91"97-0; , N9 G257U — Um*~ a 2011 PERMIT RENEWAL R T VANDERBILT CO IN STANDARD MINERAL DIVISI ROBBINS MINE SHEFFIELD TOWNSHIP MOORE COU, NORTHCAROUNA CTCA aver WILE CTCA CTCi DETAILS o� 10l21111 °i'I 6 AS NOTED OF 7 r Clayton, Sr PE, Inc p CIY6 4 FarrneaEnnL 4NlaEEm. �P, or SEDIMENT BASIN SBI W'I SKOIIINER SEDIMENT BASIN Oralrags see r.nber i l I"er tared (06h bd AmL 0M' 17 79 !'het l Dlsubed lea I 5 56 seism Vakme mgtimd a 1800 t' Per note dslurbaE ama ~ ; 110 tXs 10 I T Scarce area IegWed'- 325 t' Per R'Isec Q. _ -325 X 11707 = $702 !' I ---W--Smin 6 raclargvlar Surl.ee sterna. I 4311 - Sodom 9WAtkn I 429 I _Pon n deplb I 21 V Sr-rcewWEhl $42 [ Slrti ce Ter om, 109 1 Surface area = 54 . 10a a LM = 202 1 sm A. 'ADEQUATE Bottom v4im 46 _ I - - Bolton MrgEkl- 101, I i Bolton Bee=140 - lot - I _-__ I I 4646 f _ 1 _ Pan" volume - (5888 + 4646)12 x 2 480 - = 1n 052 t' ADEOLMTE SplLlaiay Oadpn Pdncpi Spm"y Iswr 6 band atr,oath4ril � �ed HOPE- Bdiarn E4wllan 1 429 I Ptinckw Sp!way Creel Errniknl _ 4311- Rfar Dlarneler I 30 h -R1ar C kZurnfararce I 6 It Rfar Capacty ® 1 t head:~ 24 t'rsec , satalular" rl is ----� Barrel Ara, A 1 1 767 Ito j - - _ Wind Palke:erl 47121 Hydraulle Redua R 0 38 ! I Roto-a Coeliclerd m 0012, _ Bartel Slaps, 5 0 040 KM , VOOCq V=1 4WWRi"XS'n i 12 61 Iliac _ _ _ aarrd Capety 12275 ['!rise I _' -- Pdrrelpu Sp l" CaptAy 1 22 75 131W I I 25-Year R1mo5 (Drnampe Area), 0_a 2122 011. I , Conokmion IADEOLLATE 1 _ - _ `L 91inin-SWN ffF I I I Msvdtnart wA1w Vu a 10.052 t' f I Max Devoting Tkna 72 in MWT- Skimmer Slzrl_ 2 5 in rector-; 3a10 t' I _ 264 ill' Ordca Diarnati r =1 183 h I uglstl0 2011 WLF mbbin9Mine 'd CLayto!! Sr, PE, IncWg�MV.WjAugntl0 rd MinersSEDIMENT BASIN SB2 I 2011 - IBa81e HWgM 1 21 Skle .lope MW I 2b tv - - I Top Wldh 1 22 line WWII, 4.2 + 2 1 102 Alan - (2 + 10) l 2 X 2 ` I I .1 12N i L.Vh- (54+40)12 - sg R E IVdrme -112 . 50 I = 80a I? - I Rack VoYane -,0 8 X B00 =' 4a0 t' I I j i tt- I I I 1 1 � I 1 I I 1 I 1 I ` _ I I T I I 1 r , , � 1 SKURAER SEDWENT BASIN I B BflWLF I I I WLF I II ISO. Skimp I r I - - - - -- r - - - a4ln•x am nta,tber I 2 . I I it- 10-Imr n-Ug (01alubd Awe 0,w 1127 t'lsee I 1 k D14trbed air 1 3 74 acre. am Volume raT�_ = logo V per ecra malurbed a __ _ 1800X 374= Santa -rpe regWd = 325 t° par t'feeC Oar I I _ I-323 X 1 i 066 • � �_ I 77 - - '- - --Ba31 is r:elarlwarI-- Surce Nere[Im 4 ldtsn delefleri 46l88 _ � I _ __ Side slope ra0o ! 2h 1r Pon Il li depth I 2 t I I Tap Wk1b 2 1 &we akupe rule I 2 h tv I _ _ Base WIdM + 4 x 2+ 2 wmk �_ C- - -j - lot_ _ _Suite _-451 _ -Smite h.Vh 022 I _ _ _ Area+(2+to)f2 x2 -- Surface area=45x 92- LrW •I 204 -�_ 121, _ _ 1 I_4140 IV IADEOWITE _� ,ILergth. (45+17)12_ �_ _ �- Beltem width 37 I _ _ l .I 412 I Bdtom Leglhl 64 I I VObme • 12. 411 f _ son -am = 37 X 64 = t TE I 492 t' I 3106 t' I Rack Vrlkme . O 8 a 492 PortI r31-ne=(4140+3108)12X2 3936 _ I I _3938 I? -I IFF - -I 6.7611 t' ADEQUATE II bpllhray 25-Ye r Runof pahvw Ame Qra.f 13 27"P1ex So" Crest Efav 4WD SpBhaal'WEdar 301 I 1_ I I Side Bkpe RDLW1 30" lif Water DapU,' 0 41 _ Aron A; 1 73' Welled P.r1rrW 1 5 50 1 I HyAaUk R.A. rL 1 0 310 1 I I 1 I I rn Rwghrvan ceeftwd n 1 0 015 I I ' Swim a 0=itA Velocity V=149rmR'NS- 785 Caw _ SPDAW C tp"-VxA 13.62 Ow Caitpay R-*.d-1 i327111we I I i C9nokakn'ADEOUATE I Mrt Top d Emtiir kmar4 EletAW 4674 Strmmar sizing Er Y k I I M..baun wl_ m alane j 0 75tiL !I Max De WwkV Time f 72 fan I _ mil*- Skknmer Stra 1 2 In ' _ l_ Odce Ama- elm 13390. I 2010I- Odtce DEw aw - 1 d0 In » iiLdyton, Sr, PE, Inc {D,LL { eNY111aRneL fN4Irirme npwf-- Standard Mineral Robb= Mine ' �r 150003 I CULVERT CAPACITY 25-YEAR STORM pate August 12 2011 URWB� WLF I ID"Iffilez-11 9a�C;QOi� m ..lraaJ-.IrAi�'8'-v »'=�'�?I t1 * � .7r pn � Rlcs3 S n # 3 Ilrrc 1 l� :1 i min A 47 96 1 503G ZO 48 1 30 10 22 50 0 TO 4M 00 422 10 ro CLayTLOn Sr P E , Inc 8 Pro Standard Mineral Robbins Mina to La.4rto"' ST P E , Inc El pro a • Standard Mineral Robbins Mine era I sNrxaeasnw< snnuruuw i un7eauslnM nyre,W.0 Pro d 150003 Pwi 150003 f PIT WATER VOLUME i aE AugastB 2011 SETTLING POND X520, October 13 2011 I r RRBy WLF ;. TBY WLFLarI I e Pool Surface Ar. 33 9w re I I I Vb1Xne I 1 I 1 BOW. Area; 17 896 f? ElevalknlDifference Areepe) I (ft') Cwn'/a6ae I Y I Del12A 1 Vakme I I ll+ Vcne='(33990 + 17B9fi)12 ir12 354 2 277 - ---I-- - �-- --- '-- I-- I 4 =_fit I _ 311 316 f1 { I 1 I _ 358 j 84M I 1 I I 1 '� _ 715sc a ! j 4 43 922 664081 —36U21- - E 13 Wn I I _ T Volurna ofwater n prt 236 720` -- - 4 85134130542II yf_actor_ 11316_ ) 2_ 3I e720 = 1 2 CCoomn 18072 336688I1 ,3- r3I -- - 29921 196 541 1 Sphty Design i Bng{paleed 'E HDPE Riser & HOPE barrelIB 1 I 1 I --- - 1 - r - r -I - L E- Bottom Elow2bon 406' I l 1 9md1 Pool 1 1 1 i _ 360r _ 1 183 ; 1 1 1 L I _ 4 O' _ 1 7 514 204 048' I ' 364I i 3574' I- _~ 40 1 26668 230,704€ I I 3MI LL I 97541 1 I { I I [ fop Dyer I I I t 360I I 57388 0 1 f Olr I 6016 236720 36R 11 1 82948 0 1 11 I I I Riser Crest CW43bonl 418 Riser Diameter l 241n- Riser Circumference C 8 26 R _ Rlser Capacity @ 1 ft head _ I 1a B efsec- - _ Barrel Dhmet9r� 12 in Barrel AM A l o 7e5'r WeltedPerlmelerl 3142It 140ratlAc Radkis R 1 0 25 ft _ RoLglaless Coef6clenL n 0 01 I - _ f - - BarrelSldpe 5 ogee Rflt _ - - -I -- Fr— - _ VeWity V=14l1hniR'nxS'r'- Band Capcky I 8 70 elsec Prttclpal Spillway Gapefty 8 70 ftllsec- 25-YO&Runoff On _ 553 ft'hecl II I o CLayton, Sr, P E , Inc Pro ct Standard Mlnara seer . sanaasNlu saancrms Mr�o'�ci�' 150003 'EDIMENT BASIN SB3 j Atglmt 10 2011 rMn S61np - are. _.imbed 3 107yew- na,oli (Dlslubed AM) Q.. 7.�I-- - - DfatXbaa areal Vdune required - 1000 t' Pa acre dshebad am -- -�F =110QX 23s` =- - - --_- 4 _- 1=32SX7815— __247511' DDealsString _Surfs ea men relb I 473 - I _ L ` HeIgM 2 ! _ B h= elevellor, 4711- - I Side steps roe9 2h 1r -i P,ardrg depth _ 2 1 _ T.9 WWIh.I 2 1 -I mho I 2 h tv la Wkeh - 4 . 2 • 2 I _-__Side.tope Sr -lace tddth j - 35 R 10 t u Site kcglh _ -.73{R _ I _ _Area . (2 s 101 l 2 r 2 - Surface ran -�35 . 73 - LM •I 2 09 I I 120 I 2565 t' ADEQUATE _Length = I{35 + 27)1 - Bmsn lerrplh' 65 I IVdune-112x 3$, I YI_ V BoltlIpm area•27 - x65- I -� 372!' _ �tY65 it, _ _ _ I _ _ _Beck Volume -y0 8 x 372 2 297 6 -� = 297 B R' - _ Pnrdrg ,Diana - _ _ _-14jlijt' (2553 + 1755) fix _ _ 'AneQUATE I - _ iplllwsy dr9n - - - 2SY- Dvmt 1III Itruff k, Eleva Spomy Width. 4T3 0� J 3 0 ! Sid. Slope Fialioc _ � 3 0 t lyq v - ----_- Water n_ 0 u Area A j 1 Y7 Welled Perimeter I 562,111 _ Of" Radear P R9rrgrele.n CaM`bde11 n l 0 252 it IE 0015�- ]pope 5 I g wo 4- Vdo," V.1 42/nik-.S-1 0 84 vsac I}I1 j -_ SpiD ayGWWty=VXA I56�1'l.ec- I I -- _ C:armcRy Ragcfaad'I 5 4a,5'lac _ ?_ C irw*di to Mtn Top of Embotmenl Ekauan - (ADEQUATE iklmmer String _M.KknGnlMarwllane 4300�e' Ma- gwad 7e _ 72 - in Mkmmmm Skimmer Size 151n- Fufr 25601P _ - Odlce Area=i300121100 Is w 3 o CLayton, Sr, PE Inc protect Standard Mineral Robbins. Mine I No I ReAs"asue I )N DESIGN & CONTACT TIME j"jRjjbifFjOctober 32011 aa."r """" 1 44 w.. WLIF NOT RELEASED FA CON T _ inflow imsurr ed) I _ 2 231_Rslsec ars Surface e regtid ral _ 435 6' Per ft'leec Inflow __=rr223X4.35I _ _ _ I _ _ i 97005 e-- Surface area j - 1,018fe Bottom area t _ - - 58 f — Depth I 6- V0ume=l(T018+5By2X6- 3 228 ft' Llmes6l gabionswdth W -- 30Ifl Limestone 9loons largo_ L 15 ft _Ponda'g depth In forebay h - 129 ft-- CrOes-section area A = Wh =30 X 1 29 Averegafockdwrneter 0094ft 1ft'4} Fkm Uralgh ga6foru Q ='h"WgL1D+2 5+0)'n _I } --1129'3RX301(1510094+25+15'2)M12 '- -- -- -_�-- 223 0).ec1T"'-- _ I Velocity V-IQIA=2231387 l.tn est- 006 ftlaec _one_lenpltl, LI--- -- 15 It cortacllkne='LTV-1510W - _ _ _ - =l_--42'min__L- L_ — G-Nm 1p- 6—d. limn the Cote Ca-nly Wiscoralnl Em41on CaNrd end Staemwur MensaunaM lion l j� J C LAYTO N Engineerir Clvrl arnd Envlrtin mein[. Po 6az Sze Cael- NerrE. Ca,oNne 2 Pl, a 910 7 707d Fe 91"W-e1 Lk —No. G2a7o ,rroryron.a 2011 PERMIT RENEWAL R T VANDERBILT CO, IN STANDARD MINERAL DIVISI ROBBINS MINE SHEFFIELD TOWNSHIP MOORE COUh NORTH CAROLINA rrY./Y cTck a ar a.a..4 cm k CTC JI EROSION BSEDIMENT CONTROL CALCULATIOI, o.. 1021r11 - e� 7 NONE OF7 C neral Noles rPROPOSED DISCHARGE STRUCTURE J PROPOSED 400 LF 12"/HOPE I _INTERMITTENT STREAM I 1 r DR-17 PIPE SPILLWAY PROPOSED 46 IF 4 HOPE DR-17 I ' DRAIN LINE — 150 FVR PROPOSED '-� - FOREBAY 10 _ _ EXISTING HAUL ROAD -� / ROSION CONTROL MEASURES NOT IN- 0 2� - __ __ _ -- 1 I i 1 EXISTING HA L ROAD 1 / 1 1 \ / I PROPI _ \ I 1 L-----_•. �s \ � F / r � r 1 PROPOSED304 LF / I 6 / HOPE OR-135 FORCE M_-- -- _ \ • \ . � ` / l � , Ir I f r f // ' / 7 ORAIN J� P OPOSED HAUL ROAD TRACT EXISTING MIN—�`\\\ COTfGRETC H OWA�L �,CTION— I I & 011t NECT F1TPNG �- �.f \\\ �\ PLAN SCALE 1 .41T SETTLING PUNU SCALE. TV = 1 -Cr TYPICAL I w SETTLING POND SPILLWAY DISCHARGE STRUCTURE sraLE. irr = i �r 6 PVC PIPE W/ LOOSE CAP 24' DIAMETER SMOOTH - INTERIOR CORRUGATED HOPE PIPE RISER EMBEDDED IN SLAB 10 IF 4 ERFORATED HOPE PIPE SURROUNDED BY /57 S ONE 3 MOE 12 HOPE PIPE POND BERM 12- X 4 --I HOPE FABRICATED TEE 4 HOPE FABRICATED 90 BEND HOPE DRAIN A PE BALL VALVE SETTLING POND SPILLWAY SCALE 114 = 1 -V 4 X 4 X 12 CONCRETE SLAB I Na I Revlsl 4h I CRUSHED LIMESTONE GABION 3'-B STONE SIZE INARY 05 05 --[3 PRELI ONLY CONSTRUCTIO 2 J 2 3 2 CRUSHED LIMESTONE FOR HEN NOT RELFASEOF n32 GABIONS 04 5TONE SIZE 15 .t .�- 3 TOP OF POND BERM ELEV 4200 ��i ilk � tCLAYTON Gnginee rir 10 — 11=1 f i—Ill—I I H Civil and Envi�onm an[ai _ I-111-111-1I P I n I I —I Ls i 1 E � I-11 — J � so. are 7 M N°— c1 � 7 �' vi.°". aia-ear roan F.,� uio-eaaa3 k -I 1 I—I1 I-1 I -1 I I --I I IEI 11=-1 11=1 I I= I I I=1 11=I I —I 1 R T VANDERBILT CO, IN � (III IIIiIIIII �IrIIIIJ ICI IHIi=�'F STANDARD MINERAL DiVI5 ROBBINS MINE SETTLING POND SHEFFIELD TOWNSHIP MOORE COU1r NORTH CAROLINA ��R t9peal �'� ISW00M ewhm" 4 1MF [� M yyLp - -i CTCA CLAN SFCTION AND DETA CRHSHED LIMESTONE GABION or. i621T11 "" 3 -8 STONE SIZE GABION LAYOUT DETAIL SCALE Itr = I -0" AS NOTED OF 1