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Home My WebLink About20180726_Application ROY COOPER :a MICHAEL S. REGAN " WILLIAM E. VINSON, Jr. Energy,Mineral mien,Drmcmr and Land Resources ENVIRONMENTAL QUALITY August 15, 2OW, aI))f� CERTIFIED MAIL RETURN RECEIPT REQUESTED 7015 0640 0007 9831 3903 Mr. Phillip N. Pressley, PE Martin Marietta Materials Inc. PO Box 30013 Raleigh, North Carolina 27622-0013 RE: Permit No. 92-01 Garner Quarry Wake County Neuse River Basin Dear Mr. Pressley: This letter is in response to your July 26, 2018 letter requesting the modification of Mining Permit No. 92-01. Your company is requesting to reconstruct Basins 141-A and 141-B as a rock dam around Culvert 5 as indicated on the Mine Map dated July 2018 and supplemental information received July 26, 2018. This request is hereby approved and is contingent upon the measure's erosion and sediment control performance on the site. Please attach this approval letter to your existing mining permit for future reference. The expiration date, mine name and permit number on the permit document shall remain the same as before this modification. The issuance of a mining permit and/or any modification to it does not supersede local zoning regulations. The responsibility of compliance with any applicable zoning regulations lies with you. An inspection was made of the above mine on August 10, 2018 in accordance with G.S. 74-56 of the Mining Act of 1971. The 4.7-acre area at the site requested to be released, as indicated on the Mine Map dated July 2018, has been found to be undisturbed by mining activities. Therefore, your company is released from further reclamation responsibility for this area with respect to the Mining Act of 1971. As a reminder, your permitted acreage at this site is 408 acres and the amount of land you are approved to disturb is 347.5 acres. State of North Carolina I Environmental Quality I Energy,Mineral and Land Resources l612 Mail Service Center 1 512 N.Salisbury St. I Raleigh,NC 27699 919 707 9220 Certified Mail Mr. Pressley Page 2 Please advise this office at (919) 707-9220 should you have any questions concerning this matter. Sincerely, William E. Vinson, Jr., PE Interim Director WEV/dm/jw cc: Mr. Bill Denton, PE Wehner, Judy From: Denton, Bill Sent: Tuesday, August 14, 2018 9:31 AM To: Wehner,Judy Cc: Dupree,Joe Subject: FW: [External] Garner Quarry(93-01) partial release pix Photos and MIR have been uploaded. William H. Denton, IV, PE Regional Engineer— RRO Division of Energy, Mineral, and Land Resources— Land Quality Section Department of Environmental Quality 919 7914200 office bill.denton CcDncden r.gov 1628 Mail Service Center, Raleigh, North Carolina 27699 s - Nothing Compares Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Dupree,Joe Sent:Tuesday,August 14,2018 7:29 AM To: Denton, Bill<bill.denton@ncdenr.gov> Subject: FW: [External] Garner Quarry(93-01) partial release pix Will try to upload From:Joe Dupree [mailto:caterpillar6008@icloud.coml Sent:Tuesday,August 14,2018 7:28 AM To: Dupree,Joe<ioe.duoree ncdenr.gov> Subject: [External] Garner Quarry(93-01) partial release pix CAUTION: External email. Do not click links or open attachments unless verified.Send all suspicious email as an attachment to Report Spa m.<mailto:reoort.sgam@nc.aov> t z 11)�� r � f�� i` _ .- � .. . .,�� ' `'; . �,�� . .. .: :.;� ; , �.. . .:�. �: . ;. t � � i � ,� � � . � ' `��- r�. � �. .' �, rr t,a� �I ��'. .� '� t ` � ' � � . . 't ` � j �` � 4 � �' � �`� 'ti! � � \ A ' ` ;�� ;, ,_ � ; .tip � a ,�� :�� , �� '4'; �•'iY1k � 0. ' is'ay `i a��'� �11.j 1�1 � .� �r�• � i i� ,ji fj 1� �i�� i its �. �� 1�� { ,, � , ' � • �' •' 'v' yyj �K�' ti ,� F•� a � r' �4. 1 ' t ( F w r Sent from my Whone 4 \.► .. Wehner, Judy From: Denton, Bill Sent: Monday,August 13, 2018 4:47 PM To: Wehner,Judy Cc: Dupree,Joe Subject: RE: 92-01 Garner Quarry(Martin Marietta) - partial release comments We discussed and are fine with the E&SC changes on a trial basis. If the new design doesn't work,we'll address at that time, but we're willing to give them a chance. I've cc'd Joe on this e-mail to confirm he has updated IBEAM per your request. Hope he took photos.Thanks. - Bill William H. Denton, IV, PE Regional Engineer—RRO Division of Energy, Mineral, and Land Resources—Land Quality Section Department of Environmental Quality 919 7914200 office bill.denton(d)ncdenr.00v 162E Mail Service Center, Raleigh, North Carolina 27699 'Nothing Compares Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. From:Wehner,Judy Sent: Monday,August 13, 2018 4:33 PM To: Denton, Bill<bill.denton@ncdenr.gov> Subject: RE: 92-01 Garner Quarry(Martin Marietta)-partial release comments Did he upload the MIR and pictures? Is he ok with the E &S changes? From: Denton, Bill Sent: Monday,August 13,2018 4:12 PM To: Miller, David <david.miller@ncdenr.eov>;Wehner,Judy<iudy.wehner@ncdenr.eov> Cc: Dupree,Joe<ioe.duoree@ncdenr.zov> Subject:92-01 Garner Quarry (Martin Marietta)-partial release comments Subject: Mine Permit No: 92-01 Garner Quarry—Partial Release request received in RRO on July 31,2018;Suspense date:ASAP All: 1 %d ono, Staff of the RRO visited the site and adjacent area on August 10, 2018. Short version:we concur with the applicant's request to release the subject area from their mining permit. We also recommend the existing access road be blocked to prevent unlawful trash dumping. See attachments for more details. If there are questions, please advise. - Bill William H. Denton, IV, PE Regional Engineer— RRO Division of Energy, Mineral, and Land Resources—Land Quality Section Department of Environmental Quality 919 7914200 office bi II.denton(a)ncden r.oov 1628 Mail Service Center, Raleigh, North Carolina 27699 —"''Nothing Compares Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties. 2 MINING CHECKLIST FOR ROUTIMG Applicant's Name. ProjectName: Applic./Permit No: County: Date Received: Reviewer: River Basin Name: ❑ New ❑ Modification(inside permit boundaries) ❑ Modification(outside permit boundaries) ❑ Transfer ❑ Release ❑ Partial Release ❑ Additional Information ❑ Fee Needed.s ❑ Fee Received:; Please route entire application package to: ❑ Regional Office(x complete copies;attach the"LQS Regional Office Mining Application Review ChecWist"to one copy and attach both the DAQand D WR"Mining Application Review Form"to the other copy;send both copies to the Regional Engineer) Date:Routed Rec'd ❑ Division of Water Resources Date:Routed Rec d ❑ NC Wildlife Resources Commission Date:Routed Rec'd ❑ US Fish e Wildlife Service Date:Routed Rec'd (Only new applications and modification requests that add land to the permit) Please route first 3 pages of the application and any location mops to: ❑ Division of Parks&Recreation Date:Routed Rec'd ❑ NC Geological Survey Section Date:Routed Rec'd ❑ Division of Marine Fisheries Date:Routed Rec'd ❑ Division of Soil dT Water Conservation (plus LEA) Date:Routed Rec'd (Only new,applications and modifications requests that add land to the permit) ❑ Division of Archives dT History Date:Routed Rec'd (Only new applicants) ❑ Other: Date:Routed Rec'd **Suspense Date for Comments: (no later than zs days from receipt) ❑ Please note the following: Martin Phillip N. Pressley, PE Marietta Sr. Environmental Engineer July 26,2018 Mr. David Miller,State Mining Specialist Aj(_ 2 2018 Land Quality Section NC DEQ Division of Energy, Mineral, and Land Resources MINING PROGRAM 1612 Mail Service Center RAM Raleigh, NC 27699 SUBJECT: Martin Marietta Materials, Inc.—Garner Quarry Mining Permit No.92-01 Request for Partial Release and Stormwater Variance Dear Mr. Miller: Martin Marietta Materials, Inc. would like to request a partial release of approximately 4.7 acres of unexcavated land at Garner Quarry. No mining activity has occurred in the proposed release area. The release will bring the entirety of the permitted mine area north of E. Garner Road. Please find attached an updated mine map that shows the proposed release area and adjusts the land use table accordingly. The previously approved permit modification included the addition of two basins (41-A, 41-B). When construction of these basins began, it was discovered that rock existed less than 18" below what was understood to be natural ground level. During design, the area was vegetated with mature trees, and there were no obvious indicators that excavation of the proposed basins would be infeasible. To provide adequate stormwater management, Martin Marietta proposes to construct a rock dam around culvert 5. Attached are calculations demonstrating a rock dam of the proposed dimensions will provide adequate surface area and volume. Due to the shape of the natural topography,the rock dam will provide storage in a shape approximated as one half of a cone. Thus,the top surface area has been approximated as half of a circle. A rock dam is being installed as a temporary measure to manage stormwater during this review. If you have any questions please contact me at (919) 783-4505 or via email at phi]lip.pressley@martinmarietta.com. Sincerely, Phillip N. Pressley, PE Sr. Environmental Engineer Enclosures North Carolina East District Office 2700 Wycliff Road Suite 104, Raleigh, NC 27607 t. (919)783-4505 f. (919)787-9577 m. (919)649-9143 e. phillip.pressley@martinmarietta.com www.martinmarietta.com NCECSM # 6.63 - ROCK DAM SEDIMENT BASIN CALCULATIONS DATE : July 26,2018 TOTAL DRAINAGE AREA TO BASIN — `= 9:00` M AC Max.10 AC TOTAL DISTURBED AREA TO BASIN = !:: ' AC Tc= 5 MIN INTENSITY(l,o) = 7.06 C= 0.60 INTENSITY(I25) = 7.78 Q25=CIA= 0.6 x 7.78 x 9.00 — 42.01 cfs Q 10=CIA= 0.6 x 7.06 x 9.00 = 38.12 cfs MINIMUM VOLUME REQUIRED 9.00 x ICF SURFACE AREA REQUIRED 38.12 x 43'S = :.'169584 � SF BASIN STORAGE DIMENSIONS Max. Depth of Storage 4 Radius(ft) 130 Surface Area(sq.ft) 26546 Area=1/2*Area of a Circle=1/2 x n x radius^2 Meets minimum? Yes STORAGE VOLUME PROVIDED= 35300 CF Volume= 1/2 x Volume of a cone= 1/2 x 1/3 x(n x radius^2 x depth) Meets minimum? Yes TOP OF DAM HEIGHT= 6.5 SPILLWAY-L=(Q10)/(3 x h1-5) = 36 ft Spillway Flow Depth(ft)= 0.5 7/26/2018 Garner.Rock.Dam.xisx