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HomeMy WebLinkAboutNCG020850_COMPLETE FILE - HISTORICAL_20130906STORMWATER DIVISION CODING SHEET NCG PERMITS PERMIT NO. /V CC 6 DOC TYPE ,,2`9ISTORICAL FILE ❑ MONITORING REPORTS DOC DATE ❑ g U / 3 (D� � L YYYYMMDD KWA �a7j 7 1 - NCDENR . North Carolina Department of Environment and Natural Resources Division of Energy, Mineral, and Land Resources Land Quality Section Tracy E. Davis, PE, CPM Director September 6, 2013 Robert Blake Evans P.O. Box 291 Hallsboro, NC 28442 Pat McCrory, Governor John E. Skvarla, III, Secretary Subject: General Permit No. NCG020000 Blake Evans Mine COC NCGO20850 Columbus County Dear Mr. Evans: In accordance with your application for a discharge permit received on July 26, 200, 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 October 15, 2007 (or as subsequently amended). Please take notice that this certificate of coverage is not transferable except after notice to the Division of Energy, Mineral, and Land Resources. The Division may require modification or revocation and reissuance of the certificate of coverage. The specific requirements for mine dewatering at facilities near wetlands can be found in Part III, Section E of your permit. At this time, the Wilmington Regional Office has determined that a Pumping Operation and Monitoring (0&M) Plan is not required for your site. However, if operations change in a way that have the potential to impact nearby wetlands, a Pumping 0&M Plan will be required and must be approved by that office. If you have any questions, please contact Dan Sams at the Wilmington Regional Office at (910) 796-7215 for more information. Please note that mine dewatering wastewater includes we pit overflows caused solely bi y direct rainfall and -groundwater seepage for this type of mining operation. Any discharge of this water (and any stormwater commingled with it) is subject to the effluent limitations in this permit. 1612 Mail Service Center, Raleigh, North Carolina 276991612 - Telephone 919-707-9220 / FAX: 919-733-2676 512 North Salisbury Street, Raleigh, North Carolina 27604 - Internet: http:llportal.ncdenr.org/web/Iriland-quality An Equal Opportunity I Affirmative Action Employer — 50% Recycled 110% Post Consumer Paper Mr. Robert Blake Evans September 6, 2013 Page 2 of 2 This general permit allows the discharge of stormwater and certain types of wastewater from your facility. In your application, you specified that only mine dewatering water would be discharged from this facility. If separate point -source discharges of stormwater occur (i.e., stormwater not combined with mine dewatering water), you will be required to adhere to the conditions in this permit for stormwater discharges. This project is located in one of North Carolina's 20 coastal counties. Coastal stormwater management rules (15A NCAC 2H .1000) may require an additional State Stormwater Permit (different from the NPDES mining activities discharge permit). Please contact Georgette Scott in the Wilmington Regional Office at (910)796-7335.to determine if you will be required to subrnit an application for a State Stormwater permit. This permit does not affect the legal requirements to obtain other permits which may be required by the Division of Energy, Mining, and Land Resources, or permits required by the Division of Water Resodrees;-Coastal Area Management Act, or any other federal or local governmental permit that may be required. If you have any questions concerning this permit, please contact Bethany Georgoulias at telephone number (919) 807-6372, Sincerely, U � for Tracy E. Davis, P.E., CPM cc: Wilmington Regional Office Central Files Stormwater Permitting Unit Files 1612 Mail Service Center, Raleigh, North Carolina 27699-1612 - Telephone 919-707-9220 I FAX: 919-733-2876 512 North Salisbury Street, Raleigh, North Carolina 27604 • Internet: httpalportal.ncdenr.org/web/Ir/land-quality An Equal Opportunity 1 Affirmative Action Employer — 50% Recycled 110% Post Consumer Paper I STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF ENERGY, MINERAL, AND LAND RESOURCES GENERAL PERMIT NO. NCG020000 CERTIFICATE OF COVERAGE No. NCG020850 STORMWATER AND MINE DEWATERING 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, Robert Blake Evans is hereby authorized to discharge stormwater and dewatering wastewater from a facility located at Blake Evans Mine Singletary Road Whiteville Columbus County to receiving waters designated as Big Pond Branch, a class C;Sw water in the Lumber River Basin, in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts I, 1I, II1, IV, V, and VI of General Permit No. NCG020000 as attached. This certificate of coverage shall become effective September 6, 2013. This Certificate of Coverage shall remain in effect for the duration of the General Permit. Signed this day September 6, 2013. for Tracy E. David, P.E., Director Division of Energy, Mineral, and Land Resources By the Authority of the Environmental Management Commission .-VfIINk- 1:lLN { �..w. ,v � �• 1 �±� r n�7.�� ���_� •,art`•, f � � �` ..�' � F• � I ' ' ram' � ` � 1 �� S- - �` //' 1 • i �[ CJ.%�[ Blake Evans Mine /` / 1 „✓ f �r�. - '��} �i • ff77 ;/ �f17. rr 1 � •.il � �� .( � � (j -� l{1 VVVn 1' {` ''! ur `,�! / • i.` + _ �.= r —.._ L.l'•� i/•.y� s •'J "� 1 ! f _ CJ } r '\ i 1- _ r:; �149, ' �Y •11 6I °j` �'��'l ��'��1 � r ,`Y�_ ` f �dp1- r , ��.% (`�j��.-�1'••!,,:- C. ��.' ` i fir' ') /� L•'�"�L./( r eo Li 1 J� .-x� ►'S ca:E - _ " , .i �Il�- �. .` r•,./„ .e. �.�. �� �.,,.. µ-me',.. — '� \\\l�( rf'�:•41-~r �_� �� l ti`,- �.1�. �" f �'d_�•�•.d J �� � �� r � �. JJ Ceps"' _ �-�, � f � �-/�"�� f �� •` � ( ! l �S ,1 � ` /� � _. NCG020850 N w � S Map Scale 1: 24, 000 Blake Evans Mine Whiteville, NC Latitude: 340 15' lb" N Longitude: 780 44' 47" W County: Columbus Receiving Stream: Big Pond Branch Stream Class: C; Sw Sub -basin: 03-07-57 (Lumber River Basin) Facility Location Georgoulias, Bethany From: Coburn, Chad Sent: Tuesday, August 27, 2013 2:29 PM To: Georgoulias, Bethany Cc: Bennett, Bradley; Sams, Dan; Gregson, Jim Subject: RE: Blake Evans Mine All, I agree with Bethany on the Blake Evans mine site. I've spoken with Blake in the past about his NPDES mining requirements. I think that his engineer may have been helping him with those as well. Blake has been very receptive and easy to work with in doing what is needed to stay in compliance. Chad Coburn Senior Environmental Specialist NC Division of Water Resources Wilmington Regional Office Phone: 910-796-7379 email: chad.coburn(@ncdenr.gov E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. -----Original message ----- From: Georgoulias, Bethany Sent: Tuesday, August 27, 2013 12:14 Pm To: miller, Carol Cc: Coburn, Chad; Bennett, Bradley Subject: RE: Blake Evans mine Hi, Carol! This one is still on my desk. I have two others that I'm working on, and I've got a full schedule with a conference call later today and conference off -site the next two days. Then I'm out of the office Friday. I'll be back to Blake Evans and the others after the Labor Day holiday. I'm sorry I can't get to it sooner -- but I did want to touch base with you on it. The last time I talked with him, Chad felt pretty comfortable with the status of this one and Mr. Evans' responses to our requests, so I think issuing the NCG02 permit will be pretty straightforward. Getting the permittee up to speed with permit requirements will be more effort, but that can continue after we get the certificate of coverage out along with the permit and other information to him. Thanks for the update on the status of the mining permit! I'll be back in touch next week. Thanks again, Bethany Bethany Georgoulias, Environmental Engineer NCDENR / Resources Stornwater Permitting Program 1612 mail Service Center, Raleigh, NC 27699-1612 512 N. Salisbury Street, Raleigh, NC 27604 919 / 807-6372 (phone); 919 / 807-6494 (fax) Website: htt ortal.ncdenr.or web lr stormwater Division of Energy, mining, and Land Georgoulias, Bethany From: Miller, Carol Sent: Monday, August 26, 2013 4:03 PM To: Sams, Dan Cc: Scott, Georgette; Cox, David; Georgoulias, Bethany; Hall, Rhonda Subject: RE: Mine Reviews All, this is what I know about the Blake Evans mine. The mi_ rmit for the_E_v_ans_min`e has3 ca basillybeen issued-as-of-8/9/2013-1ie still has to post the bond before he starts mining activities. The COE has been out there and has approved his wetland boundaries. Chad asked for some information during the initial review and he and I met Mr. Blake at the mine back in the spring. We received the information Chad requested from his consultant some time later. To my knowledge, no one has discussed the mining NPDES requirements with Mr. Evans. I would be glad to help with facilitating this process, but since were are still getting our feet wet with the NPDES permits, I will need some guidance. Please advise. Thanks, Carol Carol Miller, CPESC Assistant Regional Engineer Wilmington Regional Office 127 Cardinal Dr. Ext. Wilmington NC 28405 ph 910 796-7313 Fax 910 350-2018 E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed the third parties -----Original Message ----- From: Sams, Dan Sent: Monday, August 26, 2013 2:32 PM To: Miller, Carol Subject: FW: Mine Reviews -----Original Message ----- From: Georgoulias, Bethany Sent: Monday, August 26, 2013 9:35 AM To: Cox, David Cc: Sams, Dan; Scott, Georgette; Bennett, Bradley Subject: RE: Mine Reviews Okay. Thank you, David. Bethany Georgoulias, Environmental Engineer NCDENR / Division of Energy, Mining, and Land Resources Stornwater Permitting Program 1612 Mail Service Center, Raleigh, NC 27699-1612 512 N. Salisbury Street, Raleigh, NC 27604 919 / 807-6372 (phone); 919 / 807-6494 (fax) 1 Website: http://portal.ncdenr.org/web/lr/stormwater 144 E-mail correspondence to and from this address may be subject to the North Carolina Public Records law and may be disclosed to third parties. -----Original message ----- From: Cox, David Sent: Monday, August 26, 2013 9:09 AM To: Georgoulias, Bethany Cc: Sams, Dan; Scott, Georgette Subject: FW: Mine Reviews Bethany, Right now I am bogged down in state stormwater. You might want to contact Dan know the overall goal is to get everyone cross trained. But for the immediate sure who is contact for what in the mining and NPDES programs. I know just enough to be dangerous. David Cox -----Original Message -,---- From: Coburn, Chad Sent: Friday, August 23, 2013 2:13 PM To: Georgoulias, Bethany; Conway, Jean; Cox, David Cc: Gregson, Jim; Bennett, Bradley Subject: RE: Mine Reviews Bethany, or Georgette.: I future I'm not Thanks, I'll help out however I can. I really enjoyed going out with Boyd and Larry yesterday. We got more done yesterday -than in any previous visit out there! Chad Coburn Senior Environmental Specialist NC Division of Water Resources Wilmington Regional Office Phone: 910-796-7379 email: chad.coburn@ncdenr.gov E-mail correspondence to and from this address may be subject to the North Carolina'Public Records Law and may be disclosed to third parties. -----Original Message ----- From: Georgoulias, Bethany Sent: Friday, August 23, 2013 1:51 PM To: Coburn, Chad; Conway, Jean; Cox, David Cc: Gregson, Jim; Bennett, Bradley Subject: RE: Mine Reviews Thanks, Chad. 2 David, could you let me know the best contacts for NCG02 mining permit discharge applications in WiRO? I know things are still a little disorganized as they are here for us. We can understand! I have Anna:Wink, S&P Gravel, and one other in WiRO -- Blake Evans that'Chad's been working with. We will need to be in touch with regional inspectors in the program to coordinate approvals.of those NOIs so we can issue the Certificate of Coverage. If you can direct me to the best people, that would be great. Anna Wink is NOI #NCG020847, S&P Gravel is NOI #NCG020845, and Blake Evans is #NCG020850. Chad is very familiar with that last one, but there probably needs to be a DEMLR WiRO person we contact about it as well. Thanks again! Bethany Bethany Georgoulias, Environmental Engineer NCDENR / Division of Energy, Mining, and Land Resources Stornwater Permitting Program 1612 Mail Service Center, Raleigh, NC 27699-1612 512 N. Salisbury Street, Raleigh, NC 27604 919 / 807-6372 (phone); 919 / 807-6494 (fax) Website: http://portal.ncdenr.org/web/lr/stormwater E-mail correspondence to and from this address may be subject to the North Carolina Public Records law and -may be disclosed to third parties. -----Original Message ----- From: Coburn, Chad Sent: Friday, August 23, 2013 1:20 PM To: Georgoulias, Bethany; Conway, Jean; Cox, David Cc: Gregson, Jim Subject: RE: Mine Reviews Bethany, I have no knowledge of the Anna Wink mine in Carteret that you mentioned, as Joanne or Jean usually handle Carteret County. I have been working with Blake Evans on the permitting of his mine site in Columbus County. However, from what I've been instructed, we aren't doing any mine (NCG020000) reviews or inspections any longer. I was under the impression that DEMLR would be doing all of that from now on. Also, until our instructions change, I was told that we will still be handling wetland and stream issues on these sites as well. Even so, I have been telling the DEMLR folks here that I would be happy to help out as much as I can until they get comfortable with the NPDES SW program (I was in Brunswick County yesterday with Boyd Devane and Larry Ward at a mine site trying to help out). I would recommend contacting the lead stormwater inspector for DEMLR (David Cox) about this as well just so that he is aware of these sites. Let me know how I can help. Thanks Chad Coburn Senior Environmental Specialist NC Division of Water Resources Wilmington Regional Office Phone: 910-796-7379 email: chad.coburn@ncdenr.gov E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. 3 -----Original Message ----- From: Georgoulias, Bethany Sent: Friday, August 23, 2013 12:56 PM To: Conway, Jean; Coburn, Chad Cc: Gregson, Jim Subject: RE: Mine Reviews Hi there, Another mine I need a status check on. Chad, are you handling all these now? It sounded like it was up in the air who was going to review Anna wink (Carteret). Thanks! Bg Bethany Georgoulias, Environmental Engineer NCDENR / Resources Stornwater Permitting Program 1612 Mail Service Center, Raleigh, NC 27699-1612 512 N. Salisbury Street, Raleigh, NC 27604 919 / 807-6372 (phone); 919 / 807-6494 (fax) Website: http://portai.ncdenr.org/web/lr/stormwater Division of Energy, Mining, and Land E-mail correspondence to and from this address may be subject to the North Carolina Public Records law and may be disclosed to third parties. -----Original Message ----- From: Georgoulias, Bethany Sent: Friday, June 28, 2013 11:06 AM To: Conway, lean Cc: Gregson, Jim Subject: RE: Mine Reviews lean, See attached for your reference. I can't scan the large site plan, but hopefully you'll find that with the DEMLR application records. I'll give it to Bradley to accept the check and assign. Thanks, Bg Bethany Georgoulias Environmental Engineer NCDENR I DWQ I Stormwater Permitting Unit 1617 Mail Service Center, Raleigh, NC 27699-1617 512 N. Salisbury St, Raleigh, NC 27604 Phone: (919) 807-6372 Fax: (919) 807-6494 NEW Website: http://portal.ncdenr.org/web/wq/ws/su E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. -----original Message----- 4 From: Conway, Jean Sent: Friday, June 28, 2013 10:29 AM To: Georgoulias, Bethany Cc: Gregson, Jim Subject: RE: Mine Reviews I will talk to Jim on Monday and see if he wants Joanne and I to do a site visit to the Winks mine site. We may need more information and will need to check DLR records here. -----Original Message ----- From: Georgoulias, Bethany Sent: Friday, June 28, 2013 9:29 AM To: Conway, Jean; Gregson, Jim; Coburn, Chad Subject: RE: Mine -Reviews Thanks, Jean. I can follow up later today after a 10 AM meeting. Just to clarify, someone from the Anna Wink mine #2 (Carteret) was in touch with WiRO, but I'm not sure about the Blake Evans mine (Columbus). For Anna Wink, the application says they spoke to you (Jean) on May 21, 2013. Anna Wink submitted a very brief (1 page) O&M Pumping Plan; there was nothing submitted for Blake Evans, and the answers about mine dewatering near wetlands are confusing. They say they are mining about 250' from wetlands, but there's no delineation or mention of need for 0&M. We need to decide whether to accept that one at all. Thanks for any info! -Bg Bethany Georgoulias Environmental Engineer NCDENR I DWQ I Stormwater Permitting Unit 1617 Mail Service Center, Raleigh, NC 27699-1617 512 N. Salisbury St, Raleigh, NC 27604 Phone: (919) 807-6372 Fax: (919) 807-6494 NEW Website: http://portal.ncdenr.org/web/wq/ws/su E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. -----Original Message ----- From: Conway, Jean Sent: Friday, June 28, 2013 9:23 AM To: Gregson, Jim; Coburn, Chad Cc: Georgoulias, Bethany Subject: Mine Reviews Jim and Chad, Bethany Georgoulias is asking about permit applications County and the R. Black Evans site in Columbus County. She was told that someone in our office had contact with I cannot find a review on our S Drive for these sites. Please let Bethany know if you are familiar with either Thanks, Jean for the Anne Wink #2 site in Carteret the applicants. site so she can process accordingly. E Note: E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. 6 Georgoulias, Bethany From: Coburn, Chad Sent: Monday, July 29, 2013 11:19 AM To: Georgoulias, Bethany Cc: Bennett, Bradley Subject: RE: Blake Evans Mine Resubmittal Hey Bethany, Thanks for getting back with me. I'm glad that you were able to get everything from Judy. I've got a copy of everything here except for the new revised site plans but I was able to look at those from Dan's group. I'm not'concerned about rr qe - -:an O&M-plan_fo� this site because_of where it is elevation•wise-so-Pwouid-move,forwards wit}i the-COC'if you fi eel_Comfortable-issuing it. If they can maintain the bmp's that are on the plans that I saw, I think that Mr. Evans should be complaint with the NCG02 permit in regards to the wetlands standards. It is very rare to have someone who is as aware and as cautious as Mr. Evans has been for this site and other sites that he is involved with. I'm sure he will have some questions regarding the monitoring required by the permit (as many people do) so that shouldn't be a problem for us or Dan's group to give him guidance. Let me know if you guys have any questions or need any info. Thanks! Chad Coburn Senior Environmental Specialist NC Division of Water Quality Phone: 910-796-7379 email: chad.coburn@ncdenr.gov E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Georgoulias, Bethany Sent: Monday, July 29, 2013 10;51 AM To: Coburn, Chad Cc: Bennett, Bradley Subject: Blake Evans Mine Resubmittal Hi Chad, We got everything from Land Quality last week, and I'm going to have Bradley accept the application / set it up for processing. I scanned most of the documents (but not the Site Plan or Narrative Mining Plan) and am sending you all in WiRO = an electronic copy. I'll include this email with the package so he can pass it on to the assigned reviewer (may or may not be me). Let me know if you want us to forward a full size copy of the submitted site plan and/or mining plan. I understood from you last week that you are okay with this mine getting a COC.under NCG02, and if there's some kind i of Dewatering 0&M Plan to assure no impacts, it will be minimal because of where this mine sits atop of the sand hill and low risk to impacting the nearby wetlands. That made sense to me. I assume that it's okay for us to proceed with . the COC without holding out for an O&M Plan, but could you verify that? Thanks for your help working with the applicant to get all the materials submitted correctly. It's extremely helpful to have both the Nationwide permit and Wetlands Determination documents included here. cheers, Bg Bethany Georgoulias Environmental Engineer NCDENR I DWQ I Stormwater Permitting Unit 1617 Mail Service Center, Raleigh, NC 27699-1617 512 N, Salisbury St, Raleigh, NC 27604 Phone: (919) 807-6372 Fax: (919) 807-6494 NEW Website: httR://portal.ncdenr.org/web/wq/ws/su E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Coburn, Chad Sent: Wednesday, July 10, 2013 2:19 PM To: Greg Wayne Cc: Gregson, Jim; Georgoulias, Bethany Subject: FW: Greg, Thanks for sending this to me to review. On #21, mention that the 404/401 was required to build an access road to the site. If you have one, include a copy of the 404 permit from David Bailey with the Army Corps. Also, make sure to send a signed copy of the wetlands survey in addition to the Jurisdictional Determination letter from David. For #24 (Stormwater Pollution Prevention Plan) Blake will need to have a SPPP for this site. Check "no" but put a note on the app describing when Blake will have one developed (ASAP). The things that are needed for the SPPP are listed under Part III of the NCG02 permit that I gave you for reference. Much of these items were required for submittal to DWQ in Raleigh for this application and can be used for the SPPP. You and I talked about a few of these things last Friday, (employee training, fuel storage areas, vehicle maintenance, etc..). If you need help with this part let me know but I would recommend keeping things simple and using a map to label and describe procedures like we looked at last Friday. For #26, check "yes" but an A to C will not be required according to the application due to the design of the site with the basins to treat the water before discharge, if you have any more questions let me know. Chad Chad Coburn Senior Environmental Specialist i' NC Division of Water Quality Phone: 910-796-7379 email: chad.coburn@ncdenr.gov E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Greg Wayne [mailto:gwayne@hdsilm.com] Sent: Wednesday, July 10, 2013 9:38 AM To: Coburn, Chad Subject: Chad, could you look through the attached documents and let me know if you think we have it all covered? It may save some time, rather than me just sending hard copies out. Thanks in advance, greg Greg A. Wayne, PLS Hanover Design Services, PA Land Surveyors, Engineers, Lond Planners 1123 Floral Parkway Wilmington, N.C. 28403 Phone: 910-343-8002 Fax: 910-343-9941 This message (including any attachments) may contain confidential client information. The information is intended only for the use of the individual or entity to whom it is addressed. if you are not the addressee or the employee or agent responsible to deliver this mail to its intended recipient, you are hereby notified that any review, use, dissemination, distribution, disclosure, copying or taking any action in reliance on the contents of this information is strictly prohibited. 3 f , f NCG020000 N.01 and sealed by a Professional Englneer (P.E.) or qualified staff along with this application. A copy of the design calculations should be Included. Please see questions 18 & 19. s^�:�uis•W�s., r}eJ�t3i�^.-... 1 h.+'i^ialrl�!isStimmaryo YVistewater.�erri►Ittequlrerneritsr, r5r2 •t.-.t.-�,_.�'.y' f: 7.: .•.w..Yl+f ^2ia S.a..r_`iK�Y:�:•01/. as.%5.1'i�11 �;�t _'•r:lY-y� y;: =rRequiesr°`'; ly' e- :rs�.(( � _Y r. �l+� tO Ct �M6hItaring?A e'i -A )rSvrr'�� i�t�Yes, �c� °'`- �'_xa•�: ti,. �g,(1VI r,,�i';:s :iYes:�{, � _,�'N9 r_. � /�:. Mil Discharges that do not need treatment other than E&SC to rneet permit conditions MD Discharges that need treatment other than E&SC to meet permit conditions E�>...r,%a1P�acesssasEevNdZe�,.b atiier Recycle Closed Wog Recycle ' Foruestfonsq _, please contact the DWO.Reglonal Offlce.for your area. (See page 7) W-18,7 ^ (Please print or'type) 1) Mailing address of owherlaperator (add_iess to vsrhfch all tier•iM corresp6dence will be maited�: - - Owner Name --- Owner Contact Street Address City Telephone No. E-mail Address 2) Location of facility producing discharge: Facility Name L&S Mom,. Facility Contact Street Address City County Teitaphone No. Contact E-mail 3) Physical Location information: Fax: rax: Please provide a narrative description of how to get to the facility (use street names, state road numbers, and distance and direction from a roadway intersection). ci. 4) Latltude 34,?.544 k4- Longitude 1&154 J ?J�' (degrees, minutes, seconds) RECEIVED A a z 7013 Page 2 of 9 SWU-NCG02-N01 ,Last revised 6/712010 LAND QUALITY SECTIO4. NCG020000 N.O.I. Permits: 5) This NPDES Permit Application applies to which of the following: New or Proposed Facility Date operation is to begin O Existing ❑ New Permit not applicable — ATC request only. NPDES Permit Number 6) Standard Industrial Classification: Provide the 4 digit Standard Industrial Classification Code (SIC Code) that describes the primary Industrial activity at this facility Sic code. i 4 4 7) Fronde a nareativedesorlptioh of the types of minerals mined at this facility: _gjAA _- 8) IS this mine an inactive mine site?, -+c �No , ❑ Yes If yes, do you posses an "Inactive Renewal" from DLR and notified the DWQ Regional Office or have you certifiedtothe DWQ that the. site has been stabilized? ❑ No ❑ Yes 9) Roes this facility already have a valid Mining Pekinit from the Division of Land Resources (DLR)? ❑ fro If No, please.indfcate the status of the Mining Peri t a66licati6h;.J Yes If yes, please provide the Mining Permit number; Please also provide a copy of your DLR Mining Permit with this DWQ.acation.. Note: DWQ cannot issue a COC far the NCG024DOO-GenQral Permit until a Mlnf6g Perrhit is issued or renewed by the Dlvislori of Lark! Jesources (DLR)...• r 10) Does this facility have any other NPDES permits? �-_ _•_O e . ,�. - ]'•e ..�.c : _ �-j' • y; _'i Cr'�y$�ttte� ;.�`•l� � _ ,.. " _v,;. ❑ Yes If yes, list the permit numbers for all current NPDES permits far this facility: r , 11) Does this facility have any Non -Discharge permits (ex: recycle permits)? N:Na ❑ Yes If yes, list the permit numbers for all current Non -Discharge permits for this facility: 12) Does total area of this mine site Include ready -mix and asphalt areas? Np CI Yes it yes-, do they have DWQ stormwater permits (it owned•by the same company)? ❑ No ❑ Yes (provide permit number } If not owned by the same company, who is the owner? I$) Will this mining operation precede development activities at this site? %-'No ❑ Yes 14) Is this mine located within one of the 20 Coastal Counties and will it add more than 10,000 fe of impervious surface? j5:No Page 3 of 9 SWU-NCG02-NOI Last revised 6R/2010 NCG020000 N.O.I. i ❑ Yes If yes, you may be required to apply for an additional state stormwater permit. Check with your local Regional Office. See contact information and checklist below. 15) Is this mine located the Neuse, Tar -Pamlico, or Catawba River Basin, or the Randleman or Jordan Water supply Watersheds? X No ❑ Yes If yes, what size stream buffers are included on site? ft. Please show buffers in site plans. Discharge Points, Receiving Waters & Wetlands: 16) Receiving waters: What is the name of the body or bodies of water (creek, stream, river, lake, etc.) that the facility stormwater and/or wastewater discharges end up in? 131 P26y0 �32XA.JC a If the site stormwater discharges to a separate storm sewer system, name tUe operator of the separate storm sewer system (e.g. City of Raleigh municipal storm sewer)_ Receiving water classification (if known): Note: Discharge of process wastewater to receiving waters classified as WS-11 to WS-V or SA must be approved by the N.C. Dept. of Environmental Health. If DEH does not approve, coverage under NCG020000 cannot be granted. No new discharges of wastewater are permitted in receiving waters classified as WS-1 or freshwater ORW. Wastewater discharges to Saltwater ORW will not be approved under the NCG02 General Permit. 17) If your facility has wastewater di barges and they are to HWQ, PNA waters (Primary Nursery Areas) waters, what Is the flow rate? ZZ (See httr)://www.ncdmf.net/maps/FNA maps/index.litml, for map) 18) Discharge Points: Number of discharge points (ditches, pipes, channels, etc. that convey discharges from the property): Onsite: Stormwater: Mine dewatering: __/__ Process Wastewater Overflow: Offsite: Stormwater: Mine dewatering: Process Wastewater Overflow: Discharge points should be clearly marked on the submitted site plan. Please provide short narrative description of discharges: * Dewatering of minimally sized excavation areas only will be accomplished by pumping those areas to a large basin at the west end of the project. This basin will allow settling of solids before any stormwater enters the rock dam outlet structure/filter. Stormwater will move through the rock dam and enter a grassed channel / vegetation filter, where it will be dissipated and infiltrated fdr approximately 50 feet by sheet flow onto existing ground areas at natural grade. a) Is your mine dewatering and discharging? (Answer only if you are dewatering) ❑ No Yes If yes, where to? Surface Waters and/or Wetlands (on -site or off -site) / __.g_ Other (on -site or off -site) Describe: -to' Scq�n7e?i 6Q5► ►1 b) Are you dewatering but not discharging? (Answer only if you are dewatering) ;i "o ❑ Yes If Yes, please explain how Se{ na re aj, %le =VC g, and where that water will be directed: 6w&m , Page 4 of 9 SWU-NCG02-NOI Last revised 60/2010 NCG020000 N.O.I. 19) Will mining operations require dewatering near wetlands or impact any stream, groundwater, or wetlands? ❑ No � - Yes Note: Wetlands must be CLEARLY DELINEATED on the site plan. Mine dewatering activities that have the potential to drain wetlands or otherwise impact surface water or groundwater MUST develop and implement a Pumping Operation and Monitoring (O&M) Plan that has been approved by the Division. y _pp ova! of a Pumpin-I O&M Ian may be required ripr to For sites that may drain wetlands — a r coverage under this -general permit. The Pumping O&M Plan should be submitted to the appropriate Regional Office and must be approved prior to operation. The plan shall include, but is not limited to: (1) Groundwater monitoring strategies to demonstrate the effect of pumping and to establish any pumping regime necessary to reduce impacts, and (2) Detailed plans to maintain surrounding hydrology and respective monitoring to demonstrate compliance. See checklist at end of document. Contact your local Regional Office for questions specific to your mine. 20) If you are dewatering, are there wetlands or surface waters within 400' of the mine pit perimeter? ❑ No ,(Yes If yes, what distance are they from the mine pit perimeter? SD feet. 21) Have you been required to obtain a 4041401 Certification permits? ❑ No Yes if yes, please briefly describe below (include information such a required mitigation, BMPs, setbacks, and/or O&M plans for on or off -site wetlands or other pertinent information). Attach other sheets as necessary: .4 AlAf- 39 4J¢S ,e&-a_ o. 017.7 AC: i mgqc got -k-nK o ke- Q e5S rcad. zL C k e f A! c-1 4 a ''%1� Ac r+a u P 5i 14- �dc� .&in-(n isWLe-'� a >{ ni e �r D'aC : IJ �c � &t e s A-r le- �d 3. , �,� ; �,'z Ord �,1 �e fa .sr/•v �. �� , 22) Have you been required to obtain a wetland delineation certified by the US Army Corps of Engineers? ❑ No KYes If yes, please attach to application submission. Stormwater BMPs: 23) Does this facility employ any best management practices for stormwater control? ❑ No KYes If yes, please brief lydescribe:, .Scr,"rea p hQS,-ri ,!]ra 24) Does this facility have a Stormwater Pollution Prevention Plan? C/No ❑ Yes /� If yes, when was it implemented? do S P e _y; // it 25) Will vehicle maintenance activities occur at this facility? 1� No ❑ Yes Page 5of9 SWU-NCG02-NOI Last revised 6/7/2010 NCG020000 N.O.I. Wastewater Treatment Facilities: 26) Will mine dewatering discharges occur? (An AMATO is required for wastewater treatment facilities' dewatering discharges where E&SC devices alone will not meet effluent limits and/or protect water quality standards). 4 �X No X Yes 27) Will discharges of overflows from process wastewater treatment systems occur? (ATC or ATO required, unless closed -loop recycle system) ,<,- No If yes, answer the following questions for each wastewater treatment system: OA Please describe the type of process used to treat and/or recycle the process wastewater. Give design specifics (i.e, design volume, retention time, surface area, etc.). Existing treatment facilities should be described in detail, and design criteria or operational data should be provided (including calculations) to ensure that the facility can comply with requirements of the General Permit, jUse separate sheet(s)) Does this facility employ chemical additives to flocculate suspended solids?o ❑ Yes If yes, please state the name, manufacturer and the quantity of average daily usage of the chemical additive Note: Please see our website for a list of evaluated polyacrylamide (PAMS) products for use in North Carolina. C. Does this facility overflow only during rainfall events exceeding the 10-yr, 24-hr rainfall event? ❑ No ❑ Yes 28) Are wastewater treatment facilities (including recycle systems) planned in the 100-year flood plain? ONo ❑ Yes if so, include information to demonstrate protection from flooding. (Minimum design requirements for treatment works include protection from the 100-year flood, per 15A NCAC 2H .0219.) Other: 29) Hazardous Waste: a) Is this facility a Hazardous Waste Treatment, Storage, or Disposal Facility? No ❑ Yes b) Is this facility a Small Quantity Generator (less than 1000 kg. of hazardous waste generated per month) of hazardous waste? ANo ❑ Yes c) is this facility a Large Quantity Generator (1000 kg. or more of hazardous waste generated per month) of hazardous waste? No ❑ Yes d) If you answered yes to questions b. or c., please provide the following information: Type(s) of waste: Page 6of9 SWU-NCG02-NOI Last revised W/2010 �.' NCG020000 N.O.I. How is material stored: N0 Where is material stored: n/ How many disposal shipments per year: Name of transport 1 disposal vendor: Ge �A5 Vendor address: I.O. Sex 24/ /ls 6or✓ ..cr- C. �� Z 30) Are you applying for a mining permit in the same location as a previously permitted mine? �Mo ❑ Yes If yes, specify permit number and name if known: 31) Does your site have an active landfill within the mining permit boundary? �rNo ❑ Yes If yes, specify type: ❑ LCID ❑ Other: 32) Is your facility providing appropriate secondary containment for bulk storage of liquid materials? See permit text online for secondary containment requirements. YNo ❑ Yes Final Checklist: This aDplication will be returned as incomDlete unless all of the following items have been included and initialed for. Please show that the following required information has been included by initialing in each space below. Fee of $100 made payable to NCDENR 4;4/_ Completed application and all supporting documents A Copy of the valid approved mining permit (MP) for the facility or indication of MP application status fQkL Copy of a county map or other general location map that shows the mining site and nearest major roads t;Z&V Copy of USGS topographic map showing the mining site and surrounding areas, or other map that clearly shows site location in relation to nearby streams, wetlands, and other waters, etc. wU 2 copies of large-scale site plan with topographical lines with all outfalls, applicable buffers and wetlands clearly delineated PC. A copy of your DLR mining permit 6 [0 A copy of your US Army Corps -approved wetland delineation if you marked "yes" to question 22 above. oo� If mine site is in one of the 20 Coastal Counties, • Applicant has checked with the appropriate regional office to verify the need for a Coastal State Stormwater permit. Regional Office Contact: • Applicant has included a detailed list of impervious surface areas and percentages, sub -drainage areas and total drainage area. If the mine is dewatering and near wetlands, or may otherwise impact surface waters or groundwater, include the following and contact your local regional office about a Pumping 0&M Plan (see below for contact information). You may be required to provide an approved Pumping O&M plan priorto NCG02 issuance. I_2 copies of detailed Full Size Plans delineating areas on the plans and listing acreage (including: wetlands, ditches, well -placements, pits, borrow areas, overburden storage, stormwater controlsBMPs, vehicle maintenance areas, settling basins, product process (such as screening, stockpiles, waste piles), total drainage area, impervious surface percentages (if state sw programs apply), applicable , buffers, and access and/or haul roads). 11114� Well information (design, depths, maintenance) Nlft Physical monitoring for the wetlands areas Settling pond sizing information, if applicable Page 7of9 SW U-NCG02-NOI Last revised 6/7/2010 NCG020000 N.O.I. ,,jA__Level spreader design, if applicable �.A_Details about dewatering method +T/1 Cone of influence calculations Scapa _Description of measures to prevent erosion and flooding Description & information about 401/404 permits that have been obtained Copy of US Army Corps of Engineers wetland delineations or approved wetland delineation (if applicable) t,_�/ —I have contacted my local regional office about a Pumping O&M Plan. Regional Office Contact: Date contacted: OR I will not any impact nearby wetlands, surface waters or groundwater by dewatering. PjA__ If an ATC or ATO is required, three (3) sets of plans, specifications, and design calculations, signed, sealed, and dated by a P.E. ATC and ATO requirements in NCG02000 are summarized in Table 1 on Page 2 of this NOI (see the permit text for more details). Plans shall show all pertinent design features, including the location of the outfall(s). If stormwater is flowing off -site, the plan must show that stormwater will not be mixed with wastewater. Certification: North Carolina General Statute 143-215.6 b (i) provides that: Any person who knowingly makes any false statement, representation, or certification in any application, record, report, plan, or other document filed or required to be maintained under this Article or a rule implementing this Article; or who knowingly makes a false statement of a material fact in. a rulemaking proceeding or contested case under this Article; or who falsifies, tampers with, or knowingly renders inaccurate any recording or monitoring device or method required to be operated or maintained under this Article or rules of the [Environmental Management] Commission implementing this Article shall be guilty of a Class 2 misdemeanor which may include a fine not to exceed ten thousand dollars ($10,000). I hereby request coverage under the referenced General Permit. I understand that coverage under this permit will constitute the permit requirements for the discharge(s) and is enforceable in the same manner as an individual permit. I agree to abide by the following as a part of coverage under this General Permit: 1. I agree to abide by the approved Mining Permit for this mining activity. (A copy of the valid mining permit must be attached to this request. 2. 1 agree to not discharge any sanitary wastewater from this mining activity except under the provisions of another NPDES permit specifically issued therefore. 3. 1 agree that bulk storage of petroleum products and other chemicals shall have adequate protection so as to contain all spills on the site. 4, I agree that solid wastes will be disposed of in accordance with N.C. statutes and rules governing solid waste disposal. 5. 1 agree that maintenance activities for vehicles and heavy equipment will be performed so as to not result in contamination of the surface or ground waters. Page 8 of 9 5W 11-NCG02-NOI Last revised 6/7/2010 NOG020000 N.0.1. I agree to abide by the provisions as listed above and recognize that the provisions are to be considered as enforceable requirements of the General Permit. I certify that I am familiar with the information raontained in this application and that to the best of my knowledge and belief such information is true, complete, and accurate. Printed Na�my.e� of Person Signing: Ooe� Title: (Signature of Applicant) (Date Signed) Notice of Intent must be accompanied by a check or money order for $100.00 made payable to NCIDENR. Mail the entire package to: 5tormwater and General Permits Unit Oivisiarn of Water Quality 1617 Mail Service Center Raleigh, North Carolina 27699-1617 Note The submission of this document does not guarantee the issuance of an NPOES permit. For questions, please contact the DWO Regional office for your area. DWO Regional Office Contact Information: Asheville Office ...— (B28) 295-4500 Fayetteville Office ... (910) 433-3300 Mooresville Office ... (704) 663-1699 Raleigh Office ........ (919) 791-4200 Washington Office ...(252) 946-6481 Wilmington Office ... (910) 796-7215 Winston-Saler, ...... (336) 771-5000 Central Office .........(919) 807-6300 Page 9 of 9 SWU-NCG02-NOI Last revised 6,'7i2010 NCDENR Now CAROUNA DFr'Nr M[NT or Fi­o..e .Ne Niu,. RL at+Meta NOTICE OF INTENT iTt 170 13 Division of Water Quality / Surface Water Protection National Pollutant Discharge Elimination System NCG020000 FOR AGENCY USE ONLY Date Received Year onth Da Certificate of Coverage Check # Amount Permit Assigned to ram,- zap National Pollutant Discharge Elimination System application for coverage under General Permit NGG020000: STORMWATER DISCHARGES associated with activities classified as: SIC (Standard Industrial Classification) Code - 14XX Mineral Mining Industry (except as specified below) The following activities are also included: YP_vt eel i SSb4aV •cc. 0 Coca . • Active or inactive mining operations (including borrow pits —except for NCDOT borrow pits) that discharge stormwater contaminated with or that has come in contact with, any overburden, raw material, intermediate products, finished products, byproducts or waste products located on the site of such operations; • Stormwater from vehicle maintenance activities at mining operations; • Overflow from facilities that recycle process wastewater; and/or • Mine dewatering (wastewater) The following activities are specifically excluded from coverage under this General Permit: • Stormwater discharges associated with peat mining, coal mining, and metal mining; • Stormwater discharges from mining operations which ar'e intermixed on site with 'stormwater from asphalt operations and/or concrete operations; • Stormwater discharges associated with oil and gas extraction.operations; and ; • SI6rmwaterdischarges associated with tourist gem mines . • NCDOT borrow pits are covered under NCS000150 The following discharges are covered by NPDES general permit NCG520000 instead of NCG020000- • Point source discharges of stormwater and wastewater from in -stream sand mining operations (i.e., sand dredging or dipping operations) For new mining sites that require an authorization to construct (ATC) wastewater treatment facilities: This NOI is also an APPLICATION FOR an ATC for new wastewater treatment facilities. ATC requests must be submitted at least 90 days prior totconstruction'. For existing mining sites that require an Authorization -to Operate,(A'TO) waistewatertreatment facilities: This NOI is also an APPLICATION FOR an ATO for'wastewater treatment facilities in place. Construction, modification, or installation of any new treatment components at an existing site requires an ATC. (If the site is already covered by NCG020000, the ATC request may be submitted without an NOI). Some wastewater treatment facilities used to treat or recycle wastewater at mining sites will require an ATC rp for to construction per 15A.NCAC'2H .0138. Please.'see the NCGO20000 General Permit for details about which treatment facilities require an'ATC (summarized in Table 1 below). The authorization to construct or continue to operate will be issued at the same'time'as the Certificate of Coverage ,(COC) for the NCG02`permit. Design of treatment facilities must comply with requirements of .15A4CAC 2H .0138 & .0139 Construction of wastewater treatment facilities subject to the ATC/ATO requirements in.the•NC.G02 permit ►r-/le�rf!,Iq: n„ —. at new orexisting mining sites re u' ission of three (3) sets of plans. and specr�ftoplon� gned ��� � e � As per 15A NCAC 2H Pa 1 of 9 .010 g 1 'f 1 +N , - j 3 i ZUnless treatment facilities are desigj, cSn5�ud &nd put into operation by employees internal to the `company who are gbal'iif'ied to perform such work for their respective companies in actor ante with General Statutes, 89C-25 (7), plans ariQ Zficatlons.must be sign d a1)07/2010 'd sealed by a P.E. WW iIa Yv„r"; . pEtJr. • 4r+•". J,,r�L'� � Ian :3 5tnr�y� GUF11�I'Y SW U-NCGo2-NOI t 7LANi'; AND S1C,ti++�NATER Bft?� Q1c" &r4nv, Last r�vrsed� NCG020000 N.O.I. and sealed by a Professional Engineer (P.E.) or qualified staffz along with this application. `A copy of the design calculations should be included. Please see questions 18 & 19. MR s� ablepl Summary of Wastewater=Permit Re uiremenu t — —",��,� �Quarterlyj + {wRer{uies; gr�,r ;ter 11-- E Mine'DewateringJR, = MD Discharges that do not need treatment ✓ ✓ other than E&SC to meet permit conditions MO Discharges that need treatment other than E&SC to meet permit conditions Other Recycle ` ✓ ✓ Closed Loop Recycle77 ✓ ✓ Any Other ProCeSS�WW ✓ " ✓ ' I For questions, please contact the DWO Regional Office for your area. (See page 7) (Please print or type) 1) Mailing address of owner/operator (address to which all permit correspondence will be mailed): Owner Name .1Y '%A4 % _ Owner Contact Street Address t!j-_j '::h< Z City k4eidl -5SQ,Rjc= State�3 _ZIP Code &5dd.2 Telephone No. "3t o t A - -.7!2) 34. Fax: E-mail Address 2) Location of facility producing discharge: Facility Name Facility Contact Street Address City County Telephone No. Contact E-mail 3) Physical Location Information: r Please provide a narrative description of how to get to the facility (use street names, state road numbers, and distance and direction from a roadway intersection). r.Jfkwjg! rJ . 420a.edL 4) Latitude 34,Z544i4- Longitude 78334'y 177 (degrees, minutes, seconds) Page 2 of ;5 r�, SWU-NCG02-NOI . ` Last revised 6/712010 NCG020000 N.Q.I. 5) Permits: This NPDES Permit Application applies to which of the following: )New or Proposed Facility Date operation is to begin ❑ Existing ❑ New Permit not applicable - ATC request only_ NPDES Permit Number 6) Standard Industrial Classification: Provide the 4 digit Standard Industrial Classification Code (SIC Code) that describes the primary industrial activity at this facility SIC Code: L 4 4 Z_ a . }_ . . . o, . ,_ , 7) Provide a narrative description of the types of minerals mined at this facility: SCXAN ._ 8) Is this mine an inactive mine site? -dN0 " ❑ Yes if yes, do you posses an "Inactive Renewal" from DLL and notified the DWQ Regional Office or have you certified to the DWQ that the site has been stabilized? ❑ No ❑ Yes 9) Does this facility already have a valid Mining Permit from the Division of Land Resources (DLR)? ❑ No Yes If No, please indicate the status of the Mining Permit application: If yes, please provide the Mining Permit number:V faU C-2 llfti copy of your DLR Mining Permit with this DWQ application. Please also provide a Mote: DWQ cannot Issue a COC for the NCGO20000 General Permit until a Mining Permit is issued or renewed by the Division of Land Resources (DLR). 10) Does this facility have any other NPDES permits? ❑ Yes If yes, list the permit numbers for all current NPDES permits for this facility: 11) Does this facility have any Non -Discharge permits (ex: recycle permits)? ;9�rvo ❑ Yes If yes, list the permit numbers for all current Non -Discharge permits for this facility: 12) Does total area of this mine site include ready -mix and asphalt areas? ANo _n Yes If yes, da they have DWQ stormwater permits (if owned'by the same company)? ❑ No ❑ Yes (provide permit number i If not owned by the same company, who is the owner? 13) Will this mining operation precede development activities at this site? )?CNo ❑ Yes 14) Is this mine located within one of the 20 Coastal Counties and will it add more than 10,000 ft2 of impervious surface? �Vo Page 3 of 9 SWU-NCG02-NOI Last revised 6/7/2010 NCG020000 N.O.I. U ❑ Yes If yes, you may be required to apply for an additional state stormwater permit. Check with your local Regional Office. See contact information and checklist below. 15) Is this mine located the Neuse, Tar -Pamlico, or Catawba River Basin, or the Randleman or Jordan Water supply Watersheds? >*0 ❑ Yes If yes, what size stream buffers are included on site? ft. Please show buffers in site plans. Discharge Points, Receiving Waters & Wetlands: 16) Receiving waters: What is the name of the body or bodies of water creek, stream, river, lake; etc.) that the facility stormwater and/or wastewater discharges end up in? 6 p. V,) It the site stormwaler discharges to a separate storm ewer system, name the operator of the separate storm sewer system (e.g. City of Raleigh municipal storm sewer), Receiving water classification (if known): Note: Discharge of process wastewater to receiving waters classified as WS-11 to WS-V or SA must be approved by the N.C. Dept. of Environmental Health. If DEH does not approve, coverage'under NCG020000 cannot be granted. No new discharges of wastewater are permitted in receiving Waters classified as W5-1 or freshwater ORW. Wastewater discharges to Saltwater ORW will not be approved under the NCG02 General Permit. 17) If your facility has wastewater discharges and they are to HWQ, PNA waters (Primary Nursery Areas) waters, what is the flow rate? (See hitpa/www.ncdmf.net/maps/FNA maps/index_html, for map) 1 S) Discharge Points: Number of discharge points (ditches, pipes, channels. etc. that convey discharges from the property): Onsite: Stormwater: Mine dewatering: Process Wastewater Overflow: Oftsite: Stormwater: Mine dewatering: Process Wastewater Overflow: Discharge points should be clearly marked on the submitted site plan. provide short narrative description of discharges: a) is your mine dewatering and discharging? (Answer only if you are dewatering) ❑ No Yes If yes, where to? Surface Waters and/or Wetlands (on -site or off -site) Other (on -site or off -site) Describe: _ eAsA'64',,t1L:_ b) Are you dewatering but not discharging? (Answer only if you are dewatering) ❑ No ❑ Yes It Yes, please explain how you are dewatering, and where that water will be directed: Page 4 of 9 SWU-NCG02-NOI M - Last revised 6/7/2010 NCG020000 N.O.I. 19) Will mining operations require dewatering near wetlands or impact any stream, groundwater, or wetlands? el!'No 7 ❑ Yes Note: Wetlands must be CLEARLY DELINEATED on the site plan. Mine dewatering activities that have the potential to drain wetlands or otherwise impact surface water or groundwater MUST develop and implement a Pumping Operation and Monitoring (O&M) Plan that has been approved by the Division. For sites that may drain wetlands — approval of a Pumping O&M plan may be required prior to coverage under this general permit. The Pumping O&M Plan should be submitted to the appropriate Regional Office and must be approved prior to operation. The plan shall include, but is not limited to: (1) Groundwater monitoring strategies to demonstrate the effect of pumping and to establish any pumping regime necessary to reduce impacts, and (2) Detailed plans to maintain surrounding hydrology and respective monitoring to demonstrate compliance. See checklist at end of document. Contact your local Regional Office for questions specific to your mine. 20) If you are dewatering, are there wetlands or surface waters within 400' of the mine pit perimeter? ❑ No `;Yes If yes, what distance are they from the mine pit perimeter? 2J�� feet. 21) Have you been required to obtain a 404f401 Certification permits? No ❑ Yes If yes, please briefly describe below (include information such a required mitigation, BMPs, setbacks, and/or O&M plans for on or off -site wetlands or other pertinent information). Attach other sheets as necessary: 22) Have you been required to obtain a wetland delineation certified by the US Army Corps of Engineers? j'No ❑ Yes If yes, please attach to application submission. Stormwater BMPs: 23) Does this facility employ any best management practices for stormwater control? No please briefly describe: �� w i' a _ + � � r 24) Does this facility have a Stormwater Pollution Prevention Plan? No El Yes It yes, when was it implemented? 25) Will vehicle maintenance activities occur at this facility? ?<No ❑ Yes Page 5of9 SWU-NCG02-NCI Last revised 6/7/2010 NCG020000 N.O.I. Wastewater Treatment Facilities: 26) Will mine dewatering discharges occur? (An ATC/ATO is required for wastewater treatment facilities' dewatering discharges where E&SC devices alone will not meet effluent limits and/or protect water quality standards). fqo ❑ Yes 27) Will discharges of overflows from process wastewater treatment systems occur? (ATC or ATO required, unless closed -loop recycle system) ,KNo ❑ Yes If yes, answer the following questions for each wastewater treatment system: a. Please describe the type of process used to treat and/or recycle the process wastewater. Give design specifics (i.e. design volume, retention time, surface area, etc.). Existing treatment facilities should be described in detail, and design criteria or operational data should be provided (including calculations) to ensure that the facility can comply with requirements of the General Permit. [Use separate sheet(s)) - b. Does this facility employ chemical additives to flocculate suspended solids? ❑ No ❑ Yes If yes, please state the name, manufacturer and the quantity of average daily usage of the chemical additive Note: Please see our website for a list of evaluated poiyacrylamide (DAMS) products for use in North Carolina. C. Does this facility overflow only during rainfall events exceeding the 10-yr, 24-hr rainfall event? O No ❑ Yes 28) Are wastewater treatment facilities (including recycle systems) planned in the 100-year flood plain? t)<No ❑ Yes If so, include information to demonstrate protection from flooding. (Minimum design requirements for treatment works include protection from the 100-year flood, per 15A NCAC 2H .0219.) Other: 29) Hazardous Waste: a) Is this facility a Hazardous Waste Treatment, Storage, or Disposal Facility? PZ No ' ❑ f Yes j4 .. b) Is this facility a Small Quantity Generator (less•than 4000 kg. of hazardous waste generated per month) of hazardous waste? " No ❑ Yes c) Is this facility a Large Quantity Generator (1000 kg. or more of hazardous waste generated per month) of hazardous waste? ' ,J�"'No ❑ Yes d) If you answered yes to questions b. or c., please provide the following information: Type(s) of waste: Page 6of9 SWU-NCG02-NOI Last revised 6/7/2010 NCG020000 N.01 How is material stored:_ Where is material stored: How many disposal shipments per year: Name of transport / disposal vendor: Vendor address: 30) Are you applying for a mining permit in the same location as a previously permitted mine? I?10 ❑ Yes if yes, specify permit number and name if known: 31) Does your site have an active landfill within the mining permit boundary? -?CNo ❑ Yes If yes, specify type: ❑ LCID ❑ Other: 32) Is your facility providing appropriate secondary containment for bulk storage of liquid materials? See permit text online for secondary containment requirements. (�T,Na ❑ Yes Final Checklist: This application will be returned as Incomplete unless all of the following Items have been included and initialed for. Please show that the following required information has been included by initialing in each space below. ✓ Fee of $100 made payable to NCDFNR Completed application and all supporting documents f�* L4.�K5,___�Copy of the valid approved mining permit (MP) for the facility or indication of MP application status ✓Copy of a county map or other general location map that shows the mining site and nearest major roads __%Z Copy of USGS topographic map showing the mining site and surrounding areas, or other map that clearly shows site location in relation to nearby'streams, wetlands, and other waters, etc. ✓2 copies of large-scale site plan with topographical lines with all outfalls, applicable buffers and wetlands clearly delineated OFF) tu.-im" A copy of your Dl-R mining permit 644 A copy of your US Army Corps -approved wetland delineation if you marked "yes" to question 22 above. If mine site is in one of the 20 Coastal Counties, • Applicant has checked with the appropriate regional office to verify the need for a Coastal State Stormwater permit. Regional Office Contact: • Applicant has included a detailed list of impervious surface areas and percentages, sub -drainage areas and total drainage area. If the mine is dewatering and near wetlands, or may otherwise impact surface waters or groundwater, include the following and contact Your local regional office'about a Pumping O&M Plan (see below for contact information). You may be required to provide an approved Pumping O&M plan priorto NCG02 issuance. 2 copies of detailed Full Size Plans delineating areas on the plans and listing acreage (including: wetlands, ditches, well -placements, pits, borrow areas, overburden storage, stormwater controls/BMPs, vehicle maintenance areas, settling basins, product process (such as screening, stockpiles, waste piles), total drainage area, impervious surface percentages (if state sw programs apply), applicable buffers, and access and/or haul roads). Well information (design, depths, maintenance) Physical monitoring for the wetlands areas Settling pond sizing information, if applicable Page 7of9 SW U-NCG02-NOI Last revised 6/7/2010 NCG020000 N.0.1. Level spreader design, if applicable Details about dewatering method Cone of influence calculations Description of measures to prevent erosion and flooding Description & information about 401/404 permits that have been obtained Copy of US Army Corps of Engineers wetland delineations or approved wetland delineation (if applicable) I have contacted my local regional office about a Pumping O&M Plan. Regional Office Contact: ` Date contacted: -OR- I will not any impact nearby wetlands, surface waters or groundwater by dewatering. If an ATC or ATO is required, three (3) sets of plans, specifications, and design calculations, signed, sealed, and dated by a P-IE. ATC and ATO requirements in NCG02000 are summarized in Table 1 on Page 2 of this NO] (see the permit text for more details). Plans shall show all pertinent design features, including the location of the outfall(s). If stormwater is flowing off -site, the plan must show that stormwater will not be mixed with wastewater. Certification: North Carolina General Statute 143-215.6 b (i) provides that: Any person who knowingly makes any false statement, representation, or certification in any application, record, report, plan, or other document Fled or required to be maintained under this Article or a rule implementing this Article; or who knowingly makes a false statement of a material fact in a rulemaking proceeding or contested case under this Article; or who falsifies, tampers with, or knowingly renders inaccurate any recording or monitoring device or method required to be operated or maintained under this Article or rules of the (Environmental Management) Commission implementing this Article shall be guilty of a Class 2 misdemeanor which may include a fine not to exceed ten thousand dollars ($10,000). I hereby request coverage under the referenced General Permit. I understand that coverage under this permit will constitute the permit requirements for the discharge(s) and is enforceable in the same manner as an individual permit. I agree to abide by the following as a part of coverage under this General Permit: M 1, I agree to abide by the approved Mining Permit for this mining activity. (A copy of the valid mining permit must be attached to this request. 2_ 1 agree to not discharge any sanitary wastewater from this mining activity except under the provisions of another NPDES permit specifically issued therefore. 3. 1 agree that bulk storage of petroleum products and other chemicals shall have adequate protection so as to contain all spills on the site. 4. 1 agree that solid wastes will be disposed of in accordance with N.C. statutes and rules governing solid waste disposal. 5. 1 agree that maintenance activities for vehicles and heavy equipment will be performed so as to not result in contamination of the surface or ground waters. Page 8 of 9 SWU-NCG02-NOI Last revised 6/7/2010 NCG020000 N.O.I. I agree to abide by the provisions as listed above and recognize that the provisions are to be considered as enforceable requirements of the General Permit. I certify that I am familiar with the information contained in this application and that to the best of my knowtedge and belief such information is true, complete, and accurate. Printed Name of Person Signing: Title: (Atu_a Cls Vri S (Signature of Applicant) (Date Signed) Notice of Intent must be accompanied by a check or money orderfor $100.00 made payable to NCDENR. Mail the entire package to: Stormwater and General Permits Unit Division of Water Quality 1617 Mail Service Center Raleigh, North Carolina 27699-1617 Note The submission of this document does not guarantee the issuance of an NPDES permit. For questions, please contact the DWO Regional Office for your area. DWO Regional Office Contact Information: Asheville Office ...... (828) 296-4500 Fayetteville Office ... (910) 433-3300 Mooresville Office ... (704) 663-1699 Raleigh Office ........ (919) 791-4200 Washington Office ...(252) 946-6481 Wilmington Office ... (910) 796-7215 Winston-Salem ...... (336) 771-5000 Central Office .........(919) 807-6300 Page 9 of 9 SWU•NCG02-NOI Last revised 61712010 Georgoulias, Bethany From: Georgoulias, Bethany Sent: Monday, July 29, 2013 10:51 AM To: Coburn, Chad Cc: Bennett, Bradley Subject: Blake Evans Mine Resubmittal Attachments: BlakeEvans_ Wetlands_JurisdDeterm_Map.pdf; Blake_Evans_NOI_Resubmittal_ 12M_ 2013.pdf Hi Chad, We got everything from Land Quality last week, and I'm going to have Bradley accept the application / set it up for processing. I scanned most of the documents (but not the Site Plan or Narrative Mining Plan) and am sending you all in WiRO = an electronic copy. I'll include this email with the package so he can pass it on to the assigned reviewer (may or may not be me). Let me.know if you want us to forward a full size copy of the submitted site plan and/or mining plan. I understood from you last week that you are okay with this mine getting a COC under NCG02, and if there's some kind of Dewatering 0&M Plan to assure no impacts, it will be minimal because of where this mine sits atop of the sand hill and low risk to impacting the nearby wetlands. That made sense to me. I assume that it's okay for us to proceed with the COC without holding out for an 0&M Plan, but could you verify that? Thanks for your help working with the applicant to get all the materials submitted correctly. It's extremely helpful to have both the Nationwide permit and Wetlands Determination documents included here. cheers, Bg Bethany Georgoulias Environmental Engineer NCDENR I DWO I Stormwater Permitting Unit 1617 Mail Service Center, Raleigh, NC 27699-1617 512 N. Salisbury St, Raleigh, NC 27604 Phone: (919) 807-6372 Fax: (919) 807-6494 NEW Website: http:l/portal.ncdenr.org/web/wq/ws/su E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Coburn, Chad Sent: Wednesday, July 10, 2013 2:19 PM To: Greg Wayne Cc: Gregson, Jim; Georgoulias, Bethany Subject: FW: G reg, Thanks for sending this to me to review. On #21, mention that the 404/401 was required to build an access road to the site. If you have one, include a copy of the 404 permit from David Bailey with the Army Corps. Also, make sure to send a signed copy of the wetlands survey in addition to the Jurisdictional Determination letter from David, For #24 (Stormwater Pollution Prevention Plan) Blake will need to have a SPPP for this site. Check "no" but put a note on the app describing when Blake will have one developed (ASAP). The things that are needed for the SPPP are listed under Part III of the NCG02 permit that I gave you for reference. Much of these items were required for submittal to DWQ in Raleigh for this application and can be used for the SPPP. You and I talked about a few of these things last Friday, (employee training, fuel storage areas, vehicle maintenance, etc..). If you need help with this part let me know but I would recommend keeping things simple and using a map to label and describe procedures like we looked at last Friday. For #26, check "yes" but an A to C will not be required according to the application due to the design of the site with the basins to treat the water before discharge. if you have any more questions let me know. Chad Chad Coburn Senior Environmental Specialist NC Division of Water Quality Phone: 910-796-7379 email: chad.coburn@ncdenr.gov E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Greg Wayne [mailto:4wavne@hdsilm.com] Sent: Wednesday, July 10, 2013 9:38 AM To: Coburn, Chad Subject: Chad, could you look through the attached documents and let me know if you think we have it all covered? It may save some time, rather than me just sending hard copies out. Thanks in advance, greg Greg A. Wayne, PLS Hanover Design Services, PA Land Surveyors, Engineers, Land Plonners 1123 Floral Parkway Wilmington, N.C. 28403 Phone: 910-343-8002 Fax: 910-343-9941 This message (including any attachments) may contain confidential client information. The information is intended only for the use of the individual or entity to whom it is addressed. If you are not the addressee or the employee or agent responsible to 2 sue, Georgoulias, Bethany ywt W Rt� From: Georgoulias, Bethany Sent: Monday, July 01, 2013 11:03 AM To: Coburn, Chad; Conway, Jean; Gregson, Jim Cc: Bennett, Bradley Subject: RE: Mine Reviews Attachments: Blake_Evans_Mine_NOI. pdf Tell you what, Chad -- I've scanned what we have so you can have a look. I think we could hold on to it and process it when the other information comes in, if we know it's coming. Any review wouldn't begin until we get the rest of it, though. See attached; I've highlighted the items that are inconsistent or incomplete (especially on the checklist at the end). There is a very general and small depiction of the location with roads, but no topographic map or other map with waters are included either. I'll put a copy of the full site plan in the RO mail box out to -you today. It does not show any wetlands or nearby receiving waters on it. I'll let Bradley know he can hold it and wait to assign it until you are able to follow up with Mr. Evans for the rest of the information. Thanks so much for your help! Bethany Bethany Georgoulias Environmental Engineer NCDENR I DWQ I Stormwater Permitting Unit 1617 Mail Service Center, Raleigh, NC 27699-1617 512 N. Salisbury St, Raleigh, NC 27604 Phone: (919) 807-6372 Fax: (919) 807-6494 NEW Website: http://portal.ncdenr.org/web/wq/ws/su E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. -----Original Message ----- From: Coburn, Chad Sent: Monday, July 01, 2013 10:42 AM To: Georgoulias, Bethany; Conway, Jean; Gregson, Jim Cc: Bennett, Bradley Subject: RE: Mine Reviews Sorry, I haven't seen the application so I don't blame you if you choose to return it. Mr. Evans told me that he had an engineering firm working on the application for him. Would you like me to give them a call and see if they can add some information to the submittal? Mr. Evans has been very easy to work with on this project and probably wasn't aware that the application needed more info. -----Original Message ----- From: Georgoulias, Bethany Sent: Monday, July 01, 2013 10:17 AM To: Coburn, Chad; Conway, Jean; Gregson, Jim Cc: Bennett, Bradley 1 Subject: RE: Mine Reviews Thanks, Chad. The applicant did not indicate any of that information on his application (in fact, he put "N/A" on the checklist item about dewatering near wetlands and never mentioned he'd been in touch with you all about it). None of his plan sheets show any wetlands delineation or streams nearby either -- surprising to me if you say he had it done. I'm struggling with whether to tell Bradley to accept this application or return it as incomplete. I know we can accept an NOI without a full written O&M Pumping Plan, but I think the rest of the submittal is lacking. -Bg Bethany Georgoulias Environmental Engineer NCDENR f DWQ I Stormwater Permitting Unit 1617 Mail Service Center, Raleigh, NC 27699-1617 512 N. Salisbury St, Raleigh, NC 27604 Phone: (919) 807-6372 Fax: (919) 807-6494 NEW Website: http://portal.ncdenr.org/web/wq/ws/su E-mail correspondence to and from this address may be subject to the North: -,Carolina Public Records Law and may be disclosed to third parties. -----Original Message ----- From: Coburn, Chad Sent: Monday, July 01, 2013 8:26 AM To: Georgoulias, Bethany; Conway, Jean; Gregson, Jim Subject: RE: Mine Reviews Bethany, I've been working with Mr. Evans on his mine site in Columbus. They have had the wetlands delineated and approved by the USACE. The 404/401 permit/wqc were issued for the entrance road for the pit as well. I have not seen a map but they are very obvious on the site due to the topography there. The wetlands are much closer than 250 feet, however the mine site sits atop a sand hill and the pit,will only be 10 feet in depth which should not put it in danger of dewatering the adjacent wetlands due to their elevation being lower than 10 feet from the top of the mine. They will be dewatering and I've met with Mr. Evans on the site 3 times so far. He has an acceptable plan for the discharge of the pit water although I told him that we needed a plan in writing. I commented on the DEMLR mining application a month or so ago. Hope this helps, Chad -----Original Message ----- From: Georgoulias, Bethany Sent: Friday, June 28, 2013 9:29 AM To: Conway, Jean; Gregson, Jim; Coburn, Chad Subject: RE: Mine Reviews Thanks, Jean. I can follow up later today after a 10 AM meeting. Just to clarify, someone from the Anna Wink mine #2 (Carteret) was in touch with WiRO, but I'm not sure about the Blake Evans mine (Columbus). For Anna Wink, the application says they spoke to you (Jean) on May 21, 2013. 2 Georgoulias, Bethany From: Coburn, Chad Sent: Monday, July 01, 2013 8:26 AM To: Georgoulias, Bethany; Conway, Jean; Gregson, Jim Subject: RE: Mine Reviews Bethany, I've been working with Mr. Evans on his mine site in Columbus. They have had the wetlands delineated and approved by the USACE. The 404/401 permit/wqc were issued for the entrance road for the pit as well. I have not seen a map but they are -very obvious on the site due to the topography there. The wetlands are much closer than 250 feet, however the mine-ste-si atop —a sand-hi1'1 and`the ppit will only be-10 feet-in:depth= hich=sho.uld not -put -it in danger of-dewatering-the-adja�ent:wetTand - due -to fheir elevation -being -lower tfian;l0 feet-fr_om=theme Ltop__of-th��� e! They will be dewatering and I've met with Mr. Evans on the site 3 times so far. He has an acceptable plan for the discharge of the pit water although I told him that we needed a plan in writing. I commented on the DEMLR mining application a month or so ago. Hope this helps, Chad -----Original Message ----- From: Georgoulias, Bethany Sent: Friday, June 28, 2013 9:29 AM To: Conway, Jean; Gregson, Jim; Coburn, Chad Subject: RE: Mine Reviews Thanks, Jean. I can follow up later today after a 10 AM meeting. Just to clarify, someone from the Anna Wink mine #2 (Carteret) was in touch with WiRO, but I'm not sure about the Blake Evans mine (Columbus). For Anna Wink, the application says they spoke to you (Jean) on May 21, 2013. Anna Wink submitted a very brief (1 page) 0&M Pumping Plan; there was nothing submitted for Blake Evans, and the answers about mine dewatering near wetlands are confusing. They say they are mining about 250' from wetlands, but there's no delineation or mention of need for 0&M. We need to decide whether to accept that one at all. Thanks for any info! -Bg Bethany Georgoulias Environmental Engineer NCDENR I DWQ I Stormwater Permitting Unit 1617 Mail Service Center, Raleigh, NC 27699-1617 512 N. Salisbury St, Raleigh, NC 27604 Phone: (919) 807-6372 Fax: (919) 807-6494 NEW Website: http://portal.ncdenr.org/web/wq/ws/su E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. -----Original Message ----- From: Conway, Jean 1 Sent: Friday, June 28, 2013 9:23 AM To: Gregson, Jim; Coburn, Chad Cc: Georgoulias, Bethany Subject: Mine Reviews Jim and Chad, Bethany Georgoulias is asking about permit applications for the Anne Wink #2 site in Carteret County and the R. Black Evans site in Columbus County. She was told that someone in our office had contact with the applicants. I cannot find a review on our S Drive for these sites. Please let Bethany know if you are familiar with either site so she can process accordingly. Thanks, Jean Note: E-mail correspondence to and from this address may be subject to the North Carolina ,Public Records Law and may be disclosed to third parties. 2 ti. U.S. ARMY CORPS OF ENGINEERS WILMINGTON DISTRICT Action Id. SAW-2012-01830 County: Columbus U.S.G.S. Quad: Whiteville GENERAL PE10,11T (REGIONAL AND NATIONWIDE) VERIFICATION Property Owner: Jerry Sellers Applicant: Blake Evans Address: 518 Gaston Sellers Road Address: P.O. Box 291 Whiteville, NC 28472 lfallsborouglr, NC 28442 Size and location of property (water body, road name/number, town, etc.): The project area is tocatc(l on the Nvest side of Sinaletary (toad, annroximatcly 0,55 ntlle south orits intersection with Furnic Hinson Road, south of Whitcville, Columbus County, North Carolina. A Portion or P1N: 0178,00-93-2,170,000. Latitude: 34.2552280 N Longitude:-78.73366401V Description of projects area and activity: The project involvos nerntauent imnncts to 0.087 ac. of rip itrian, non-rivcrine wetlands for the construction of a haul road to access and operate a sand mine in «Pl,tnds. Applicable Law: ® Section 404 (Clean Watcr Act, 33 USC )344) ❑ Section 10 (Rivers and Ilarbors Act, 33 USC 403) Authorization. Regional General Permit number or Nationwide Permit Number: NW-39 SEE ATTACHED NATION\VIDE AiN1) SPECIAL CONDITIONS. Your Nvork is authorized by lire above referenced permit provided it is accomplished in strict accordance with the attached conditions and your submitted revised application and attached information dated 11128/2012. Any violation of the attached conditions or deviation front your submitted plans may subject the pertnittee to a stop work order, a restoration order and/or approprlalc,lcgal action. This verification will remain valid until the expiration date identified below unless the nationwide authorization is modified, suspended or revoked. If, prior to the expiration date identified below, the nationwide permit authuriratiun is reissued and/or modified, this verification will remain valid until the expiration date identified below, provided it complies with all requirements of the modified nationwide permit. If the nationwide permit authorization expires or is suspended, revoked, or is modified, such that the activity would no longer comply with the terms and conditions of the nationwide permit, activities which have commenced (i.e., are under construction) or are under contract to commence in reliance upon the nationwide permit, .will remain authorized provided the activky is completed within twelve months of the date of the nationwide permit's expiration, modification or revocation, unless discretionary authority has been exercised on a case -by -case basis to modify, suspend or revoke the authorization. Activities subject to Section 404 (as indicated above) may also require an indi%idual Section 401 Water Quality Certification: You should contact the NC Division of Water Quality (telephone (919) 733-1. 786) to determine Section 401 requirements. For activities occurring within the twenty coastal counties subject to regulation under the Coastal Area Management Act (LAMA), prior to beginning work you must contact the N.C. Division of Coastal Management . This Department of the Army verification does not relieve the pertnitice of [lie responsibility to obtain any other required Federal, Siate or local approvals/permits. if there are any questions regarding this verification, any of the conditions of the Permit, or the Corps of l+ngineers regulatory program, please contact David E. Bailey at 910-251-4469 Corps Regulatory Official Date: 1 1 /29/2012 expiration Date of Verificaflon: l 1129/2014 The Wilmington I]istr•ict is comrnitied to providing the highest level of support to the public. To help us ensure we continue to do so, please complete the auaclted customer Satisfaction Survey or visit htt xL` r?.nw .usace.arrn anillsurvevhtml to complete the survey online. JOL 12 2013 ED�c'o DEC 0 3 2012 Lfi`!D QUALITY SECTION Special conditions: Blake Evans sand mine access roar! 1) The wetland boundary, as marked In the field by flag lines W-1 through W-5 and WA-1 through WA-8, and the limits of the wetland impacts authorized by this permit (i.e. the toe of slope of the road fill), shall be physically/visually identified using properly installed silt fence during all phases of construction. 2) • The culvert pipe placed under the permitted road must be placed at grade with the natural ground surface and'cadnot be perched. 3) Slopes of the road placed within wetland areas must be at a 3:1 slope and stabilized with seed and straw. Date: 1! /Zf f le?& Project Msnager ' a, rP U.S. ARMY CORPS OF ENGINEERS WILMINGTON DISTRICT RE- _ SP CEIVED 'k 12 2013 Action Id. SAW-2012-01830 County: Columbus U.S.G.S. Quad:. Whiteville NOTIFICATION OF JURISDICTIONAL DETERMINATION t� Qc��.1rY secrloN Property Owner: Jerry Sellers Address: 518 Gaston Sellers Road Whiteville NC 28472 Property description: Applicant: Blake Evans Address: P.O. Box 291 Hallsbor_o_,_NC 28442 Size (acres) 13.29 Nearest Town Whiteville Nearest Waterway Big Pond Branch River Basin Waccamaw USGS HUC 03040206 Coordinates 34.254293 N-78.734805 W Location description: The proiect area is located on the west side of Singletary Road, approximately 0.55 mile south of its intersection with Furnie Hinson Road, south of Whiteville, Columbus County. North Carolina. A portion of PIN: 017 8.00-93-2170.0 00. Indicate Which of the Following Apply: A. Preliminary Determination _ Based on preliminary information, there may be wetlands on the above described property. We strongly suggest you have this property inspected to determine the extent of Department of the Army (DA) jurisdiction. To be considered final, a jurisdictional determination must be verified by the Corps. This preliminary determination is not an appealable action under the Regulatory Program Administrative Appeal Process ( Reference 33 CFR Part 331). B. Approved Determination There are Navigable Waters of the United States within the above described property subject to the permit requirements of Section 10 of the Rivers and Harbors Act and Section 404 of the Clean Water Act. Unless there is a change in the law or our published regulations, this determination may be relied upon for a period not to exceed five years from the date of this notification. X There are wetlands on the above described project area subject to the pen -nit requirements of Section 404 of the Clean Water Act (CWA)(33 USC § 1344). Unless there is a change in the law or our published regulations, this determination may be relied upon for a period not to exceed five years from the date of this notification. We strongly suggest you have the wetlands on your property delineated. Due to the size of your property and/or our present workload, the Corps may not be able to accomplish this wetland delineation in a timely manner. For a more timely delineation, you may wish to obtain a consultant. To be considered final, any delineation must be verified by the Corps. The wetlands on your project area have been delineated and the delineation has been verified by the Corps. We strongly suggest you have this delineation surveyed. Upon completion, this survey should be reviewed and verified by the Corps. Once verified, this survey will provide an accurate depiction of all areas subject to CWA jurisdiction on your property which, provided there is no change in the law or our published regulations, may be relied upon for a period not to exceed five years. X The wetlands have been delineated and surveyed and are accurately depicted on the plat signed by the Corps Regulatory Official identified below on 6/28/2013 . Unless there is a change in the law or our published regulations, this determination may be relied upon for a period not to exceed five years from the date of this notification. _ There are no waters of the U.S., to include wetlands, present on the above described project area which are subject to the permit requirements of Section 404 of the Clean Water Act (33 USC 1344). Unless there is a change in the law or our published regulations, this determination may be relied upon for a period not to exceed five years from the date of this notification. The property is located in one of the 20 Coastal Counties subject to regulation under the Coastal Area Management Act (CAMA)..You should contact the Division of Coastal Management in Wilmington, NC, at (910) 395-3900 to determine their requirements. Page 1 of 2 Placement of dredged or fill material within waters of the US and/or wetlands without a Department of the Army permit may constitute a violation of Section 301 of the Clean Water Act (33 USC § 1311). if you have any questions regarding this determination and/or the Corps regulatory program, please contact Mr. David E. Bailey at 910 251-4469 / David. E. Bailev2ausace.a rmy.mil. C. Basis For Determination The site exhibits- wetlands as defined in the 1987 wetland delineation manual and a0plicable regional supplements. The wetlands on the site abut Big Pond Branch, a Relatively Permanent Water (RPW_) that drains via Beaver Dam Swamn (RPW), Monie Swamp (RPW), Grissett Swamp (RPW), and Seven Creeks (RPW) to the Waccamaw River, a Traditionally Navigable Waterway. This determination is based on field verifications by David E. Bailey (USACE) on t 1/28/2612 and 5/30/2013. D..Remarks E. Attention USDA Program Participants This delineation/determination has been conducted to identify the limits of Corps' Clean Water Act jurisdiction for the particular site identified in this request. The delineation/determination may not be valid for the wetland conservation provisions of the Food Security Act of t985. If you or your tenant are USDA Program participants, or anticipate participation in USDA programs, you should request a certified wetland determination from the local office of the Natural Resources Conservation Service, prior to starting work. F. Appeals Information (This information applies only to approved jurisdictional determinations as indicated in B. above) This correspondence constitutes an approved jurisdictional determination for the above described site. If you object to this determination, you may request an administrative appeal under Corps regulations at 33 CFR part 331. Enclosed you will find a Notification of Appeal Process (NAP) fact sheet and request for appeal (RFA) form. If you request to appeal this determination you must submit a completed RFA form to the following address: US Army Corps of Engineers South Atlantic Division Attn: Jason Steele, Review Officer 60 Forsyth Street S W, Room 1 OM 15 Atlanta, Georgia 30303-8801 In order for an RFA to be accepted by the Corps, the Corps must determine that it is complete, that it meets the criteria for appeal under 33 CFR part 331.5, and that it has been received by the District Office within 60 days of the date of the NAP. Should you decide to submit an RFA form, it must be received at the above address by August 27, 2013. **It is not necessary to submit an RFA form to the District Office if you do not object to the determination in this correspondence.** Corps Regulatory Official: Date June 28, 2013 Expiration Date. June 28, 2018 The Wilmington District is committed to providing the highest level of support to the public. To help us ensure we continue to do so, please complete the attached customer Satisfaction Surveyor visit hil.11:1/per2.i7ivp.usace; arn?y.miUytrrt;el).htirll to complete the survey online. Copy furnished: Chad Coburn. .NCDENR- DWQ, 127 Cardinal Drive Extension, Wilmington, NC 28405 Gre;J A Wavne, P.L.S., 'Hanover Desian P. Services, A., 1123.floraikwa} _ParWilmington-NC 2840' �.11 r MAP OF 404 WMAND SURVEY FOR BERRY SELLERS CoCuMBUs COUNTY NORTH CAROI.INA OWNER' JERRY SELLERS 518 GASTON SELLERS RO. WHITfE VILLE. N.C. 28472 SHl;ET 1 OF2 GATE: 06-21-13 1 i I, r i �__`__•___ r i I. AREA CONWrFD dY COOIWWELETFOC _ 1. ALLO(a TANl�eSAREhOA1mNTM. ]. MgRFFQftw Ef ASAOTM _ •. t,L�f�FO.ME/1, Zpq L^� E.LP. • FMTPGROhPPf E.( • FMYer..RON L., • MVOCiFWM C.P CO(AFfG PANT /�C0+40 PRCPERITIFF Lana OP 2! a- — =wmr"a LIMITS OF DELINEATM JERRRY SELLERS ---L-- �4Sa. T "W A�r'YS � Ro LOCATION MAP JAOTTOSCALEl SRE O� RECEIVED jUt4 2 6 2013 BF 0, vy1w, FLOC OFC, CARP O.o>ss10*- SEAL _ L-2876 f�i �► `4Mo T�Tllfl!l41N��,� I CERn FY TWT TSS IMP WAS DRAWN UMER MY ELDERVI5 M FFMAN. CTu.L SURVEY MAM DOER W SLFEWMO4AND T! POS TIO ACC RAMS 1'60C*-fMrEW7MAPO WV EY UNES AM TIE UMS O.LY TFE UMT5 a CE1,4EAMi AS SH'JLYN IS COL VMD AND NOT SIRVEYYM THSCATE `. Q GR66A WAYIE. PLSL-ZM 'I 'THLS CERrFIES THAT THIS COPY OF THIS PLATACCURATELY DEPICTS rHE BOUNDARY OF THE JURISO CTION of �"'t.r JERRr 58t6is �Zr SECT74M4CW OF THE CLF,,AN VW TERACTAS DETERMINED BY THE UNDERSIGNED ON THIS DATE. LKESS THEREIS A CHANCE fN THE LAW OR OUR PUBUSHEO REOULATIONS. THIS DETERMINATION OF SECTION 404 r'r JLRSOICTION MAYBE RELIED UPON FORA PERIOD NOT TO EXCEED fiNE YEARS FROM THIS DATE. TH , bETERMPWTION WAS hY3DE UT$IZ1NG THEAPPROARIATE REGIONAL SUPPLEMENT TO THE 1987 OORAS EM1WNEEEEERRSS WWL i7 AND bE1,P/IEEAA�NOO�N A44N�UAL. • _ sNMfrCaPRs ENGa;EERs PRESENrATA/E u TITLE aAre f`�111-FZor(L- �i���Q p 2p0 epp aDC TW L(TP 6 pFA TM WEru SURYEYON.Y, f ooes NOT CONFT)AAIro APt NL•MA aMwML14, TWS W 13 NOT FOR RECORCATIp!( Sk*& OR Oa*E)WCE s` MAP OF404 WETLANDSURVEYFOR JERRY SELLERS COLUMSUS COUNTY NORTH CAROLINA OWNER: JERRY SELLERS 518 GASTON SELLERS RO. WHITEVILLE, N.C. 28472 DATE: 06.21.13 SHEET 2 OF 2 LIMITS OF DELINEATION ! ]TES 1. AREAOCWV DRYCOOROHIIELETMO _. ALL OSTANCES ARE M RCWX 3. FOR REFERF![� igE AS IOTEiI .. awue>7=o �erE v. am3 LwG CAP.. EIS m EC}vPPE E.A . C=TTG E C_4 • E=T CONCRETE LOM/ W RIW - RW(WP C.P.. COWUIEOFWTT RECORD FRQ'ERT w LMSOFDELI ATQO CEkTER[fE JERRY SELLERS 7WS CER71FIES TFIA7 THIS COPYOF THIS PLATACCURA7ELYDEPfC7S THE BOUNDARYOF THEJURISUCTION OR SECTIDM 404 OF THE CLEAN WATERACTAS DETERMINED BY THE UNOERSIGNEOON THIS 047£. UYLESS THERE IS A CHANGE W THE LAW OR OUR PCIBLISHED REGULATRM, THIS DETERMINAMN OP SEC10N 404 JURISDICTION M4YBE RELIED UPON FORA PERIOD NOT 7O EXCEED MIC YEARS FROV THIS DAM. 7HL4 DETERMINVION MS U40C UTRIZ,NM THEAPPRO°RW7E REG/OMAL SUPPLEMENT TO THE 108T CORPS ENOWERS WVETL�AND DEUNEAVON M4NUAL' Jam—" U.S. ARMYCOPRS DFENGINEERS REPRESE7A77YE nrLe' �Z 6,IZL413 DATE Sf%(wr - Zo Z -0 }(�/✓4 �C� fv LItBY—Z TICS WP 6OFA— WETLAND SLRWY Oh y..! WE6 WJT WWORNYO MN u'FFNO=*DT R . TM9 uW 6 WT FOR RECOROATIOk 5. & OR cokkcwIr LOCATION MAP ( NOT TO WAU ) opt I 0 50 1DO 150 1 �i0' SPI,� MINING PLAN NARRATIVE AND CALCULATIONS For RECEIVED JUL -1 4 2013 Slake Evans Mine LAND QUALITY SECTION PREPARED FOR Jerry Sellers 518 Gaston Sellers Rd. Whiteville, NC 28472 '10111rerr"�,i CARo Sfou/t � r 20007 :' o •• NEB,. \y ,, David S. Hollis, P.E. �D •S, 7 10.1 Hanover Design Services, PA 1123 Floral Parkway Wilmington, NC 28403 MINING PLAN for Blake Evans Mine Prepared for Blake Evans July 9, 2013 NARRATIVE NOTE: To be reviewed in conjunction with "Mining Plan for BIake Evans", Hanover Design Services, P.A., Drawing No. 12659. PROJECT DESCRIPTION - The purpose of this project is for the removal of borrow material. The Mining Plan is to identify measures to be implementod to minimize impacts on neighboring properties by controlling erosion during construction and by reclaiming the project site throughout the duration of excavation and once the mining is complete. The site is located off of Singletary Road in Columbus County (see location. map). The total project area is 80.4 acres, 9.1 acres of which are proposed to be disturbed for excavation and overflow swale. The site is partially wooded, however, consists of mostly previously timbered open pasture with fairly gently sloping topography. SOILS - The soils in the project area are mostly Wagram loamy fine sand (WaB) and Lynchburg fine sanely loam (Ly); well drained soils. (Scc attached soils map and official descriptions) N& 1123 A°'r ", W&WOK NC?8403 PLANNED EROSION AND SEDIMENT CONTROL PRACTICES - 1. TEMPORARY GRAVEL CONSTRUCTION ENTRANCE Practice 6.06 Shall be installed at the entrance ofthe project on the permanent access/baul road directly abutting Singletary Road. Drainage is away from the road and sedimentation will be controlled with downstream practices. During wet weather it may be necessary to wash truck tires at this location. 2. LAND GRADING Practice 6.02 Grading should be limited to areas as shown on the plans. Cut and fill slopes shall be 3.1 or flatter except where specifically indicated. 3. SEDIMENT FENCE Practice 6.62 Sediment fencing should be installed as shown on the Plan, and around any temporary stockpile areas as necessary to prevent any interior areas from eroding onto adjacent areas. 4. GRASS -LINED CHANNELS Practice 6.30 All overflow swales to be graded to design configuration, seeded, and stabilized if necessary with temporary straw -net liners to collect and convey site water off site as shown on plan. After final project stabilization, swale to be re -graded and cleaned of siltation as needed to establish designed contours for stormwater conveyance. 5. TEMPORARY SEDIMENT TRAP Practice 6.60 Temporary sediment trap is to be installed at location indicated on the plans as shown. The temporary sediment trap / dewatering portion of the rock darn sediment basin is to be used as a secondary treatment measure to remove sediment from water pumped out of the initial excavation (settling/dewater area — under one acre in size). Once this area is established, it will function as a sediment basin and will grow as the excavation continues and will be the primary means of treatment on site. 6. SEDIMENT BASIN W/ ROCK DAM Practice 6.63 The Sediment Basin is to be constructed first (see Construction Schedule) and is the primary Practice to prevent sediment from leaving the site. Hanauer Dwign 8erOm 1123 Fb W Pk". wkftinotom W 2W 7. CONSTRUCTION ROAD STABILIZATION Practice 6.80 Prior to commencement of excavation, hauling roads are to be temporarily stabilized by placing sub- base course of approved stone, to reduce erosion and dust. CONSTRUCTION SCHEDULE and CHRONOLOGICAL SEQUENCE OF LAND DISTURBING ACTIVITIES — 1. Obtaining approval of Flan and any necessary permits and holding a pre -construction conference prior to commencement any work. 2. Installation of Sediment Trap. 3. Clearing, stumping, and construction of permanent access/haul road 4. Clearing and stumping of access/haul road to excavation area and associated sediment fencing downstream of access/haul road. 5. Installation of Gravel Construction Entrance 6. Clearing and stumping of first five (5) acres of Lake/excavation area for truck turn around and stockpile location and associated sediment fencing 7. Construction of Lake emergency overflow swale and erosion control sediment trap 8 . Initial excavation consisting of stripping and removal of topsoil in stockpile area. 9. Construction of settling/dewatering area. This area will serve as a self-contained dewatering area. 10. Construction of temporary diversions as needed to sediment trap area. 11. As 2 to 3 acres of excavation have been completed in the manner mentioned above, lake banks will be shaped, graded to 5 to 1 slopes, mulched, seeded and landscaped as shown on the plans. 12. The settling/dewatcring area will remain as the finished product, keeping the excavation and pumping to a minimum. 13. Once the excavation is completed, temporary erosion control measures will be removed. Access road to site and earthen and vegetated buffers will remaui permanently . Mwwwr Daugn Services 1123 Floral ?kwy. *nknington. NC 28403 MAINTENANCE PLAN - Indicated on Plan 1. All measures to be inspected weekly and after any rainfall event and needed repairs made immediately. 2. All seeded areas shall be fertilized, mulched, and re -seeded as necessary, according to specifications provided, to maintain a suitable vegetative cover. 3. Sediment to be removed from ditches and Grass -lined Channels when they are approximately 50% filled or sediment level is within T of top of ditch bank. 4. Sediment to be removed from behind the Silt Fence when it becomes 0.5' deep. Fencing to be repaired as needed to maintain a barrier. 5. Construction entrance to be maintained in such a manner as to prevent mud or sediment from leaving the construction site. Periodic topdressing with 2-inch stone may be required. Inspect after each rainfall and immediately remove all objectionable materials spilled, washed, or tracked onto public roadways. 6. Inspect temporary sediment traps after each period of significant rainfall. Remove sediment and restore the trap to its original dimensions when the sediment has accumulated to 1/2 the design depth of the trap. Place the sediment that is removed in the designated disposal area and replace the contaminated part of the gravel facing. Check the structure for damage from erosion or piping. Periodically check the depth of the spillway to ensure it is a minimum of 1.5 ft below the low point of the embankment. Immediately fill any settlement of the embankment to slightly above design grade. Any riprap displaced from the spillway roust be replaced immediately. After all sediment producing areas have been permanently stabilized, remove the structure and all unstable sediment. Smooth the area to blend with the adjoining areas and stabilize properly. VEGETATIVE PLAN - 1. Permanent vegetation to be established in accordance with specifications shown on sheet 4, typical seeding specifications taken from "North Carolina Erosion and Sediment Control Planning and Design Manual", Section 6.11, latest version. STORMWATER DISCHARGE MONITORING Analytical monitoring and sampling for stormwater discharge shall be performed as follows: Hanover D(Wgn Services 1123 Floral ". Wilmington, NC,Mm Table I. Analytical Monitoring Requirements for Stotrnwater Discharges from Mining Activities ter,r .D� It i NUN-ti a1s, q� aF � rrrM,No�-s . 1Heasuremen � e ar �, ¢YSample T, mpfe R ` Cho' " 'Uutts; . �' ,:T ",, a ,: ,`;�,; u i''. ca n3 Settleable Solids ml 1 Semi-annual Grab SDO Total Suspended Solids Mg/1 Semi-annual Grab SDO Turbidity4 NTU Semi-annual Grab SDO, or U,D4 Total Rainfalls inches Semi-annual -- -- Event Durations minutes Semi-annual Estimate -- Total Flowb MG Semi-annual Estimate SDO Footnotes: 1, Measurement Frequency: Twice peryear during a representative storm event, as defined for this permit. Failure to comply with semi-annual monitoring in accordance with permit terms for any six-month monitoring mediat ers monthly monitoring 2. Grab samples shall be collected within the first 30 minutes of discharge. For sites where multiple outfalls are separated by distances that preclude collection within 30 minutes of each discharge event is not feasible, begin collection procedures within 30 minutes and continue until all outfalls with discharges are sampled. Documentation explaining why it was not possible to take samples within the first 30 minutes must be kept in the SPPP. 3. Sample Location: Samples shall be collected at each stormwater discharge outfall (SDO) unless representative outfall status (ROS) has been granted and documented by the Division of Water Quality. A copy of the letter granting ROS shall be kept on site. 4. Turbidity may be monitored at the Stormwater Discharge Outfall. Alternatively, the permittee may choose to monitor turbidity in the receiving water, directly upstream and downstream of the stormwater discharge outfall(s). 5. For each sampled representative storm event the total precipitation must be recorded. An on -site rain gauge or local rain gauge reading must be recorded. 6. Total flow shall be: (a) measured continuously, or (b) calculated based on the amount of area draining to the outfall, the amount of impervious area, and the total amount of rainfall, or (c) estimated by the measurement of now at 20 minute intervals during the rainfall event. Total rainfall precipitation and duration of the rainfall event refers to the representative storm event sampled. All analytical monitoring shall be performed during a representative storm event at j&ch stormwater discharge cutfall [SDO). The permit allows the permittee to monitor turbidity at the SDO or up- and downstream of the SDO; however, the permittee should consider regular turbidity sampling up- and downstream of the discharge(s) when feasible to ensure compliance with water quality standards. Hanover DoWgn Servioea . 1123 Floral Pkwy. Wilmington, NC 29403 Permit No. NCGO20000 A representative storm event for the purposes of this General Permit is a storm event that measures greater than 0.1 inches of rainfall. The time between this storm event and the previous storm event measuring greater than 0.1 inches must beat least 48 hours. One storm event may have a time periodwithin it that has no precipitation. This time period may last up to 10 hours. For example, if it rains but stops before producing any collectable discharge, a sample may be collected if the next rain producing a discharge begins within 10 hours. The permittee shall complete the analytical samplings in accordance with the schedule specified in 'fable 2. A minimum of 60 [lays must separate each sample event unless monthly monitoring has been instituted under a Tier 2 response. Failure to comply with semi-annual MgiliLorhig in accordance with permit terms -far -any six-month monitoring_pgrlgd ii mgdiatev triggers monthly monitoring for the remaining hermit term, unless adverse weather conditions prevent sample collection during the sample collection period. Inability to sample due to adverse weather conditions must be documented in the SPPP with date, time and written narrative (seeAdverse Weather in Definitions) and reported on the Annual Summary DMR Table 2. Monitoring Schedule mi aat�al s �xxtgien fta(-tf6+i�Yw.Swr.4&SPk: eFt' !0*2�li Xt i, 4tRM3!'�1i4- 4 ea .a, 3 1January 1 June 30 Z ul 1 December 31 Footnotes; 1. Maintain semi-annual monitoring during permit renewal process (unless tiers prompt monthly). If at the expiration of the General Permit, the permittee has submitted an application for renewal of coverage before the submittal deadline, the permittee will be considered for renewed coverage. The applicant must continue monitoring until the renewed Certificate of Coverage is issued. 2. If no discharge occurs during the sampling period, the permittee must record "No Flow" or "No Discharge" within 30 days of the end of the six-month sampling period in the SPPP. "No Flow" or "No Discharge" shall be reported on the Annual Summary Discharge Monitoring Reports (I)MR). This DMR is to be submStted to the Division s Central Office by March 1 of each year. 3. Monitoring periods remain constant throughout the five-year permit term (from January 1, 2010 to December 31, 2014). In all cases, the permittee shall report (as required in Part IV, Section E.) the analytical results frorn each sample within the monitoring period. The permittee shall compare those results to the benchmark values in Table 3. Exceedences of benchmark values require the permittee to increase monitoring, increase management actions, increase record keeping, send the monthly monitoring results to the appropriate Regional Office, and/or install stormwater Best Management Practices CBMPs) in a tiered program. See below the descriptions of tiered response actions. Table 3. Benchmark Values for Stormwater Discharges r , �� "yDascharge_ cte�lst�s�*,tf' '12'wgi�+! 4 �K� d'1kat:yl. z �T:Benchmarrca�ues` Settleable Solids 0.1 ml I Total Suspended Solids SS 100 m l TSS ORW, H W, trout, and PNA waters 50 mg/1 Turbidity N/A See below Hanover Design Swvkxs 1123 Pbrai Pkwy. Whinglon, NC 28403 Permit No. NCG020000 The discharge shall not cause the turbidity of the receiving water to exceed Water Quality Standards: 10 NTU freshwater streams, lakes, and reservoirs designated as trout waters 25 NTU all lakes and reservoirs, and all salt waters 50 NTU all other streams and surface waters If turbidity of the receiving stream exceeds these levels due to natural background conditions, the existing turbidity level shall not be increased. If the turbidity exceeds these levels as a result of stormwater discharges, the permittee must immediately institute Tier 2 response actions, including monthly monitoring of all stormwater discharge outfalls to the receiving waters. The permit allows the permittee to monitor turbidity in the effluent or up- and downstream of the discharge point; however, the permittee should consider regular turbidity sampling up- and downstream of the discharge(s) when feasible to ensure compliance with water quality standards. If. The first valid sampling results are above a benchmark value, or outside of the benchmark range, for any parameter at any outfall; Then: The permittee shall I. Conduct a stormwater management inspection of the facility within two weeks of receiving sampling results. 2. Identify and evaluate possible causes of the benchmarkvalue exceedence. 3. Identify potential and select the specific: source controls, operational controls, or physical improvements to reduce concentrations of the parameters of concern, or to bring concentrations within the benchmark range. 4. irnplementthe selected actions within two months of the inspection. S. Record each instance of a Tier One response in the Stormwater Pollution Prevention Plan. Include the date and value of the benchmark exceedence, the inspection date, the personnel conducting the inspection, the selected actions, and the date the selected actions were implemented. 6. Send all monitoring results. for that sample period to the appropriate DWQ Regional Office. Hanover DoWgn SwA-As WtrnkVon, NC 28403 Permit No. NCG020000 If: During the term of this permit, the first valid sampling results from two (2) consecutive monitoring periods are above the benchmark values, or outside of the benchmark range, for any specific parameter at a specific discharge outfall; Then: The permittee shall 1. Repeat all the required actions outlined above in Tier One. 2. Immediately institute monthly monitoring for all parameters at every outfall where a sampling result exceeded the benchmark value for two (2) consecutive samples. Monthly (analytical and qualitative) monitoring shall continue until three (3) consecutive samples are below the benchmark values or within the benchmark range. 3. Send all monthly monitoring to the appropriate DWQ Regional Office. 4. if no discharge occurs during the sampling period, the permittee is required to record "No Flow" or "No Discharge" in the SPPP for the sampling the period to comply with monthly monitoring requirements and mustsubmit reports in accordance with this permit. S. Maintain a record of Tier Two responses in the Stormwater Pollution Prevention Plan. During the term of this permit, if the valid sampling results required for the permit monitoring periods exceed the benchmark value, or are outside the benchmark range, for any specific parameter at any specific outfall on four (4) occasions, the permittee shall notify the DWQ Regional Office Supervisor in writing within 30 days of receipt of the fourth analytical results. DWQ may but is not limited to: • Require that the permittee revise, increase, or decrease the monitoring frequency for the remainder of the permit; • Rescind coverage under the General Permit, and require that the permittee to apply for an individual stormwater discharge permit; • Require the permittee to implement in -stream Turbidity Monitoring (ll,D) • Require the permittee to install or modify structural stormwater controls; or * _ Require the permittee to implement other stormwater control measures _ _ _- Hwomw Da&gn Swvlcaa 1123 AorW ". W lMhWon, NC 28403- 34- 15 24' Soil Map --Columbus County, North Carolina (Blake Evans Mine) IL951uu fun" /LU4w ILLK)w 010BrLCI 7C68W 70P000 1 y %jk YI M 2` 01 ra .� k Map Scale 1 �4 M rt pm W en A ilts (8-5" ■ 11) sheet if N Meters b 0 50 100 200 Sal reel 0 250 500 100L 1,500 IJSI b\ Natural Resources Web Soil Survey Conservation Service National Gooparative Soil Survey 1n 12J12rM 2 Page 1 of 3 :Y1' 1L,: ' 34. 13 3' MAP LEGEND Area of Interest (AOI] Area of Interest IAOI) Solis Soil Map Units Special Point Features i j Biawoul ® Borrow A[ X Clay Spot * Closed Depression }; Gravel Pit .. Gravely Spol ,err Landfill fti Lava Flow Marsh or swamp Mine or Quarry Miscellaneous Water Cj Perennial Water Pock Ouluop + Saline Spot Sandy Spot Severely ErOdetl Spot 0 Sinkhole S� Slide or Slip 0 Sodlc Spot Spoil Area Q Stony Sint !Ni Natural Resources w� Conservation Service Soil Map —Columbus County, North Carolina (Blake Evans Mine) 0u Very Stony Spot Wet Spot Other Special Line Features Gully Short Steep Slope rr'r Other Political Features � Gilles Water Features —.1 Strearr* and Canals Transportation r wN Rails w/ interstate Highways US Routes Major Roads Local Roads Web Soil Survey National Cooperative Soil Survey MAP INFORMATION Map Scale: 1:4,640 if printed on A size (8.5' x 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000 Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map shoot for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URt_: i*Itwebsoilsurvey.nres.usda.gov Coordinate System: UTM Zone 17N NAD33 This product is generated from the USDA•NRCS certified data as of the version dates) listed below_ Soil Survey Area: Columbus County, North Carolina Survey Area Data: Version 13. Jul 19, 2012 Date(s) aerial images were photographed: 7/3f2006; 6f2812006 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, sonic minor shifting of map unit boundaries may be evident_ 12/12=12 Page 2 of 3 Soil Map —Columbus County, North Carolina Map Unit Legend Blake Evans Mine Columbus County, North Carolina (NC047) Map UnIt Symbol Map Unit Name Acres in AOI Percent of AOI GoA Goldsboro fine sandy loam, 0 to 2 percent slopes 8.5 7.8% Ly Lynchburg fine sandy loam 15.4 18.6% Me Meggett fine sandy loam, frequently flooded 21.5 26.0% NoB Norfolk loamy fine sand, 2 to 6 percent slopes 25.2 30.6% Ra Rains fine sandy loam 4.2 5.1 % WaB Wagram loamy fine sand, 0 to 6 percent slopes 9.9 12.0% Totals for Area of Interest 82e 100.0% Hanover Design Semites 1123 Floral Pkwy. Wilmington, INC 28403 ININ Natural Resources Web Soil Survey 12112h012 Conservation Service National Cooperative Soil Survey Page 3 of 3 a ram'' _ _ �'` f Tf •} ,. •jo t7c P IW � I ( ; �� , -, fir` .:�':pa.� ,� •' �' a. -' -..-ea L'8 b - r w'-mac. i }` - _. -. Y ti• , � 1 4 } ` � .-z v i fy.. fl 7. �i - �_ # 1-M•_r1_ � .. rid• F 't •' -_'�' �.. w... _ti f1 _ € •' - �' ___:r. � �r- __� f� J s' - � y I - - f• -N t^ +7o 14 Ll lir L �..r _ rs ', +... ._ -ter __ .�. _ _ •f , Y• r F Official Series Description - WAGRAM Series Page 1 of 4 LOCATION WAGRAM NC+AL FL GA SC VA Established Series CMO/Rev. JAK 10/2007 rr AGR" SERIES MLRA(s): 133A-Southem Coastal Plain MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Raleigh, North Carolina Depth Class: Very deep Drainage Class (Agricultural): Somewhat excessively drained Internal Free Water Occurrence: Very deep Index Surface Runoff: Negligible to medium Permeability: Moderate Landscape: Upper and middle coastal plain Landform: Uplands Geomorphic Component: Interfluves, side slopes Hillslope Profile Position: Summit, shoulder, backslope Parent Material: Fluviomarine deposits and marine deposits Slope: 0 to 15 percent Elevation (type location): Unknown Mean Annual Air Temperature (type location): 62 degrees F. Mean Annual Precipitation (type location): 49 inches TAXONOMIC CLASS: Loamy, kaolinitic, thermic Arenic Kandiudults TYPICAL PEDON: Wagrarn loamy sand —in a cultivated field. (Colors are for moist soils, unless otherwise stated.) Ap--O to 8 inches; grayish brown (1 OYR 5/2) loamy sand, light brownish gray (1OYR 6/2) dry; single grain; loose, nonsticky, nonplastic; moderately acid; abrupt smooth boundary. (1 to 10 inches thick) E--8 to 24 inches; pale brown (1 OYR 613) loamy sand; single grain; loose, nonsticky, nonplastic; few lenses of sandy loam; strongly acid; gradual wavy boundary. (10 to 35 inches thick) Bt1--24 to 27 inches; yellowish brown (1OYR 516) sandy loam; few fine distinct grayish brown (I OYR 512) mottles; weak medium subangular blocky structure; friable, nonsticky, nonplastic; few penetrations of loamy sand E material in old root channels; few areas are brittle; strongly acid; clear wavy boundary. (0 to 6 inches thick) Bt2--27 to 38 inches; yellowish brown (IOYR 518) sandy clay loam; weak medium subangular blocky structure; friable, slightly sticky, slightly plastic; few faint clay films in pores and on faces of peds; strongly acid; gradual wavy boundary. Bt3--38 to 52 inches; yellowish brown (10YR 518) sandy clay loam; common medium distinct yellowish red (5YR 5/8) mottles; weak medium and coarse subangular blocky structure; friable, slightly sticky, slightly plastic; few faint clay films on faces of peds; common clean grains of coarse sand; strongly acid; gradual wavy boundary. Hanover Design services 1123 Floral Pkrvy. Wilmington, NC 28403 https://soilseries.sc.egov.usda.gov/OSD DocsIWIWAGRAM.htm] 12/12/2012 Official Series Description - WAGRAM Series Page 2 of 4 Bt4--52 to 75 inches; yellowish brown (1 OYR 5/6) sandy clay loam; few medium distinct yellowish red (5YR 5/8) masses of oxidized iron and few medium: faint pale brown (I OYR 6/3) iron depletions; weak medium and coarse subangular blocky structure; friable slightly sticky, slightly plastic; strongly acid; gradual irregular boundary, (Combined thickness of the Bt horizon is 21 to 60 inches or more.) BC--75 to 82 inches; yellowish brown (1 OYR 5/6) sandy loam; massive; friable, nonsticky, nonplastic; few lenses or pockets of sandy clay loam; many medium and coarse prominent gray (10YR 6/1) iron depletions; some gray areas contain very coarse sand grains; very strongly acid. TYPE LOCATION: Scotland County, North Carolina; 4.2 miles north of Lauri.nburg on U.S. 501, 0.2 mule north of rive -points and 75 feet west of highway. RANGE LN CHARACTERISTICS: Depth to bedrock: Greater than 80 inches Thickness of the sandy surface and subsurface layers: 20 to 39 inches Depth to top of the argillic horizon: 20 to 39 inches Depth to the base of the Argillic horizon: 60 to 80 inches Depth to top of the Kandic horizon: 20 to 39 inches Depth to seasonal high water table: Greater than 60 inches Rock Fragment content: 0 to 5 percent, by volume; mostly quartz pebbles or ironstone fragments Other features--0 to less than 5 percent plinthite, by volume, in the lower part of the Bt horizon, and below 60 inches 0 to 15 percent Soil Reaction: Extremely acid to strongly acid, unless limed RANGE OF INDIVIDUAL HORIZONS: Ap or A horizon (where present): Color --hue of 1 OYR or 2.5Y, value of 3 to 6, chroma of 1 to 4, or is neutral with value of 3 to 6 Texture --sand, fine sand, loamy sand, or loamy fine sand E horizon: Color --hue of l OYR or 2.5Y, value of 5 to 7, chroma of 2 to 4, or is neutral with value of 4 to 8 Texture --sand, fine sand, loamy sand, or loamy fine. sand Bt horizon: Color --hue of 7.5YR to 2.5Y, value of 5 or 6, chroma of 4 to 8 Texture --sandy loam or sandy clay loam Mottles (where present) --shades of red, brown, or yellow Redoximorphic features (where present) --masses of oxidized iron in shades of red, brown, or yellow and iron depletions in shades of brown, yellow, olive, or gray. Depletions with chroma of 2 or less are below a depth of 60 inches. BC horizon or BCt horizon (where present): Color --hue of 7.5YR to 2.5Y, value of 5 to 7, chroma of 3 to 8, or is variegated in shades of these colors Texture --sandy loam, loans, sandy clay loam, or clay loam Redoximorphic features (where present) --masses of oxidized iron in shades of red, brown, or yellow and iron depletions in shades of brown, yellow, olive, or gray. Depletions with chroma of 2 or less are below a depth of 60 inches. COMPETING SERIES: Luev soils --have Bt horizons with hue of 5YR or redder Hanover Design Services i 123 Floral Pkwy. Wilmington, NC 28403 https://soilserics.sr,.egov.usda.gov/OSD—Docs/W/WA(3RAM.htnl 12/12/2012 Official Series Description - WAGRAM Scrles Page 3 or 4 GEOGRAPHIC SETTING: Landscape: Upper and muddle coastal plain Landform: Uplands Geomorphic Component: Interfluves, side slopes Ellslope Profile Position: Summit, shoulder, backslope Parent Material: Fluviomarine deposits and marine deposits Slope: 0 to 15 percent Elevation: 30 to 3 00 feet Mean Annual Air Temperature: 57 to 70 degrees Mean Annual Precipitation: 35 to 55 inches Frost Free Period: 195 to 245 days GEOGRAPHICALLY ASSOCIATED SOILS: Blanton soils --have sandy A horizons more than 40 inches thick Boruieau soils --have seasonal high water table at a depth of 40 to 60 inches Goldsboro soils --have thinner A horizons and are more poorly drained ry soils --have Bt horizons with hue of 5YR or redder Lynchburg soils --have thinner A horizons and are more poorly drained Norfolk soils --have sandy surface layers less than 20 inches thick Qc& soils —are somewhat poorly drained Pocalla soils --have a bisequal profile Rains soils —have thinner A horizons and are more poorly drained "1'roun soils --have sandy A horizons more than 40 inches thick DRAINAGE AND PERMEABILCTY: Depth Class: Very deep Drainage Class (Agricultural): Somewhat excessively drained Internal Free Water Occurrence: Very deep Index Surface Runoff: Negligible to medium Permeability: Moderate USE AND VEGETATION: Major Uses: Cropland Dominant Vegetation: Where cultivated --tobacco, cotton, corn, and small grains. Where wooded-- loblolly and longleaf pine, white oak, red oak, turkey oak, and post oak; hickory, holly, and dogwood. DISTRIBUTION AND EXTENT: Distribution: North Carolina, South Carolina, Georgia, Florida, Alabama Extent: Large MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Raleigh, North Carolina S14CRIES ESTABLISHED: Scotland County, North Carolina;1965 REIIIARKS: This revision recognizes the low activity clay properties of this soil as defined in the Low Activity Clay Amendment to Soil Taxonomy, August 1986, This series includes soils previously classified as thick surface phases of the Norfolk series and some previously classified as moderately shallow phases of the Lakeland series. Diagnostic horizons and soil characteristics recognized in this pedon: Ochric epipedon--the zone from the surface to a depth of 24 inches (A, E horizons) Arent features --the zone from the surface to a depth of 24 inches (A, E horizons) Flaiover Design SeNices 1123 Fbml Pkwy. wtmhgton, NC 28403 https:/lsoilseries.sc.egov.usda.gov/OSD_Docs[W/WAGRAM.html 12/12/2012 Official Series Descliption - WAGRAM Series Page 4 of 4 Argillic horizon --the zone between 24 and 75 inches (Lit horizons) Kandic horizon -the zone between 24 and 75 inches has low activity clay in more than 50 percent of the upper 40 inches of the horizon (Bt horizon) ADDITIONAL DATA: Characterization samples were analyzed and are available from NRCS-Soil Survey Laboratory, Lincoln, NE; pedon numbers--S81NC101003, SOONC101001, S99GA103039 TABULAR SERIES DATA: SOI-5 Soil Name Slope Airtemp FrFz/Seas Preci.p Elevation NCO042 WAGRAM 0-15 57-70 195-245 35-55 30-300 SOI-5 F1oodL FloodH Watertable Kind Months Bedrock Hardness NCO042-NONE >5.0 - - >80 - SOT-5 Depth Texture 3-Inch No-10 Clay% -CEC- NC0042 0-24 LS LFS 0-0 98-100 2-10 1-3 NCO042 0-24 FS S 0-0 90-100 1--7 1-3 NCO042 24-75 SCL SL 0-0 98-100 10--35 1-4 SOI-5 Depth -pH- O.M. Salin Permeab Shnk-Swll NCO042 0-24 3.5- 5.5 0.5-2.0 0-0 6.0--20 LOW NCO042 0-24 3.5- 5.5 0.5--2.0 0-0 6.0-20 LOW NCO042 24-75 3.5- 5.5 0.0-0-.5 0-0 0.5--2.0 LOW National Cooperative Soil Survey U.S.A. Hanow Destgn Services 1123 Floral Pkwy. Wf ington, NC 264a3 https:/isoilseries.sc.egov.usda.gov/OSD_DocslW/WAGRA_Mi .html 12/12/2012 Official Series Description - LYNCHBURG Series Page 1 of 4 LOCATION LYNCHBURG SC+AL FL GA NC VA Established Series DID-CMO:Rev.JAK 0612008 LYNCHBURG SERIES MLRA(s): 133A-Southem Coastal Plain, 153A-Atlantic Coast Flatwoods, 153B-Tidewater Area MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Raleigh, North Carolina Depth Class: Very deep Drainage Class (Agricultural): Somewhat poorly drained Internal Free Water Occurrence: Shallow, common Flooding Frequency and Duration: None Ponding Frequency and Duration: None Index Surface Runoff: Negligible Permeability: Moderate Landscape: Lower to upper coastal plain Landform: Marine terraces, flats Geomorphic Component: Talfs, dips Parent Material: Marine deposits, fluviomarine deposits Slope: 0 to 5 percent Elevation (type location): Unknown Mean Annual Air Temperature (type location): 62 degrees F. Mean Annual Precipitation (type location): 48 inches TAXONOMIC CLASS: Fine -loamy, siliceous, semiactive, thermic Aerie Paleaquults TYPICAL PEDON: Lynchburg loamy fine sand --cultivated. (Colors are for moist soil.) Ap--O to 6 inches; very dark gray (IOYR 3/1) loamy fine sand; weak medium granular structure; very friable; common fine roots, few medium roots; very strongly acid; clear smooth boundary. (3 to 11 incites thick) E--6 to 10 inches; light olive brown (2.5Y 514) loamy fine sand; weak medium subangular blocky structure; very friable; common fine roots; few fine pores; common medium distinct dark gray (I OYR 411) iron depletions; very strongly acid; clear smooth boundary. (0 to 10 inches thick) Bt-40 to 17 inches; light olive brown (2.5Y 5f4) sandy clay loam; weak medium subanaular blocky structure; friable; common fine roots; few fine pores; few faint clay films on faces of some peds; common medium distinct light brownish gray (2.5Y 6/2) iron depletions and many medium distinct yellowish brown (I OYR 516), and few fine medium prominent red (2.5YR 4/8) masses of oxidized iron; very strongly acid; clear wavy boundary. Btgl--17 to 30 inches; light brownish gray (2.5Y 6/2) sandy clay loam; weak medium subangular blocky structure; friable; few fine roots; few line pores; common faint clay films on faces of some peds; many medium prominent yellowish brown (l OYR 5/6) and common medium prominent red (2.SYR 4/6) masses of oxidized iron; very strongly acid; gradual smooth boundary. Hanover Dea,gn Servbn 1123 Floral Wkwy. Wilmington. NO 2=3 https://soilseries.se.egov.usda.gov/OSD—Docs/LfLYNCHBURG.hti-ni 12/12/2012 Official Series Description - LYNCHBURG Series Page 2 of 4 Btg2--30 to 65 inches; gay (1 OYR 6/1) sandy clay loam; weak medium subangular blocky structure; friable; few fine roots; common faint clay films on faces of peds; many mediums prominent yellowish brown and many medium prominent red (2.5YR 4/8) masses of oxidized iron; very strongly acid; gradual smooth boundary. Btg3--65 to 80 inches; gray (10YR 5/1) clay; weals medium subangular structure; firrn; few fine roots; few faint clay films on faces of peds; many medium prominent strong brown (7.5YR 5/8) and few fine prominent red (2.5YR) masses of oxidized iron and few medium faun greenish gray (5BG 6/1) iron depletions; very strongly acid. (Combined thickness of the Bt horizons are more than 40 inches,) TYPE LOCATION: Colleton County, South Carolina, 3,000 feet southwest of junction of U.S. Highway 21 and Seaboard Coastline Railroad in Ruffin-, 4 southwest of junction of U.S. Highway 21 and South Carolina Secondary Road 272; 100 feet north of U.S. Highway 21. RANGE IN CIL4RACTERISTICS: Thickness of the surface and subsurface layers: 3 to 19 inches Depth to top of the Argillic horizon: 3 to 19 inches Depth to the base of the Argillic horizon: 60 to more than 80 inches Soil reaction: Extremely acid to strongly acid throughout, except where limed Depth to Bedrock: Greater than 80 inches Depth to Seasonal High Water Table: 6 to 18 inches, November to April Rock Fragment content: 0 to 10 percent, by volume Other features: The particle -size control section contains less than 30 percent silt. RANGE OF INDWIDUAL HORIZONS: Ap horizon or A horizon (where present): Color --hue of I OYR or 2.5Y, value of 2 to 5, and chroma of 1 to 2, or is neutral with value of 2 to 5 Texture --sand, fine sand, loamy sand, loamy fine sand, sandy loam, fine sandy loam, or loam E horizon: Color --hue of 1 OYR or 2.5Y, value of 4 to 7, chroma of 1 to 4 Texture --sand, fine sand, loamy sand, loamy fine sand, sandy loam, fine sandy loam, or loam Redoximorpluc features (where present) --masses of oxi.dizcd iron in shades of red, yellow, or brown and iron depletions in shades of brown, yellow, olive, or gray Bt horizon; Color --hue of 10YR or 2.5Y, value of 4 to 6, and chroma of 3 to 8 Texture --sandy clay loam, but ranges to sandy loam, fine sandy loam, loam or clay loam. The particle - size control section contains less than 30 percent silt Redoximorphic features (where present) --masses of oxidized iron in shades of red, yellow, or brown and iron depletions in shades of brown, yellow, olive, or gray Btg horizon: Color --hue of l OYR to 5Y, value of 4 to 7; chroma of 1 to 2, or is neutral with value of 4 to 7 Texture --sandy loam, fine sandy loam, loam, sandy clay ioarn, or clay loam. Some pedons are sandy clay or clay at a depth of 40 inches or more Redoxiniorphic features (where present) --masses of oxidized iron in shades of red, yellow, or brown and iron depletions in shades of brown, yellow, olive, or gray Hanover t4wgn Servioes ] 123 Floral Pkwy. BCg horizon: w4mingion, NC 284M Color --hue of I OYR to 5Y, value of 4 to 7, chroma of 1 or 2, or is neutral with value of 4 to 7 https:Hsoilseries.se.egov.usda.gov/OSD—Dor,sAL/LYNCHBTJRG.htnl 1211212012 Official Series Description - LYNCHBURG Series Page 3 of 4 Texture --sandy loam, fine sandy loam, loam, sandy clay loam, clay loam, sandy clay, or clay Redoximorphic features (where present) --masses of oxidized iron in shades of red, yellow, or brown and iron depletions in shades of brown, yellow, olive, or gray COMPETING SERIES: Hazlehurst soils --have a firm, brittle Bx horizon with more than 5 percent plinthite Jedbura soils --contains more than 30 percent silt in the particle -size control section GEOGRAPHIC SETTING: Landscape: Lower to upper coastal plain Landform. Marine terraces, flats Geomorphic Component: Talfs, dips Parent Material: Marine deposits, fluviomarine deposits Elevation: 40 to 450 feet Mean Annual Air Temperature: 57 to 70 degrees F. Mean Annual Precipitation: 38 to 52 inches Frost Free Period: 190 to 245 days GEOGRAPMCALLY ASSOCIATED SOILS: Clarendon sails --do not have redox depletions in the upper part of the argillic horizon Coxville soils --have a fine particle -size control section and have redox depletions with dominant chroma of 2 or less throughout Dunbar soils --have a fine particle -size control section Du lin soils --do not have xedox depletions in the upper part of the argillic horizon and have a fine particle -size control section Eunola soils --ate moderately well drained Foreston soils --do not have redox depletions in the upper part of the argillic horizon and have a coarse - loamy particle -size control section Goldsboro soils --are moderately well drained Gradv soils --have a fine particle -size control section and have redox depletions with dominant chroma of 2 or less throughout Johns soils --have contrasting textures within a depth of 40 inches Ocilla soils --have sandy epipedon 20 to 40 inches thick Pelliani soils —have redox depletions with dominant chroma of 2 or less throughout and sandy epipedon 20 to 40 inches thick Rains soils —are poorly drained StnllinLys soils --have a coarse -loamy particle -size control section Woodington soils —have a coarse -loamy particle -size control section DRAINAGE AND PERMEABILITY: Depth Class: very deep Drainage Class (Agricultural): Somewhat poorly drained Internal Free Water Occurrence: Shallow, common Floodina Frequency and Duration: None Ponding Frequency and Duration: None Index Surface Runoff; Negligible Hanover Dgn SeNkw Permeability: Moderate 1123 Floral ". Wilmington, NC 28403 USE AND VEGETATION: Major Uses: About one-half of the soil is in cropland or pasture and the remainder is in forest Domi.naztt Vegetation: Where cultivated --corn, soybeans, cotton, tobacco, truck crops, small grains, or https:Hsoilseiies.se.egov.u.sda.gov/OSD—Docs/L/L'YNCT-MURG.hbml 12/12/2012 Utticlal ,eves Description -1LY1 UMBUKU genes rage 4 or 4 improved pasture. Where wooded --oak, sweetgum, blackgum, longleaf pine, slash pine, loblolly pine, and an understory of gallbei ry and pineland threeawn. DISTRIBUTION AND EXTENT: Distribution: Georgia, Alabama, Florida, North Carolina, South Carolina, and Virginia Extent: Large MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Raleigh, North Carolina SERIES ESTABLISHED: Tift County, Georgia; 1947. REMARKS: Diagnostic horizons and features recognized in this pedon are: Ochric epipedon--the zone from the surface of the soil to a depth of 10 inches (Ap and E horizons). Argillic horizon --the zone from 10 to 62 inches (Bt and Btg horizons). ADDITIONAL DATA: TABULAR SERIES DATA: S0I-5 Soil Name Slope Airtemp FrFr/Seas Precip Elevation SCO037 LYNCHBURG 0-5 57-70 190-245 38-52 40-450 SOI-5 F1oodL FloodH Watertable Kind Months Bedrock Hardness SC0037 NONE 0.5-1.5 APPARENT NOV-APR >80 - SOI-5 Depth Texture 3-Inch No-10 Clay% -CEC- SCO037 0-10 LS LFS S FS D-0 90-100 2-10 1-4 SC0037 0-10 SL FSL L 0-0 90-100 5-20 2-6 SCO037 10-65 SCL SL CL 0-0 90-100 18-35 2-7 SCO037 65-80 SCL SC C 0-0 92-100 20-50 2-7 SOI-5 Depth -pH- O.M. Salin Permeab Shnk-Swll SCOD37 0-10 3.6-6.0 0.05-5.0 0-0 6.0-20 LOW SCO037 0-10 3.6-5.5 0.05-5.0 0-0 2.0-6.0 LOW SC0037 10-65 3.6--5.5 0.0--0.5 0-0 0.6-2.0 LOW SC0037 65-80 3.6-5.5 0.0-0.5 - 0.6-2.0 LOTS National Cooperative Soil Survey U.S.A. Hanover Design SeNioes 1123 Flora[ Pkwy. IMImington, NC 28403 https://soilseries.sc.egov.usdmgov/OSD_Doos/L/LYN-CI-iBURG.html 12/12/2012 Temporary Craves Construction Entrance/Exit Specif cation # 6 06 Construction Specifications 1. Clear the entrance and exit area of all vegetation, roots and other objectionable material and properly grade it. 2. Place the gravel to the specific grade and dimensions shown on the plans and smooth it. 3. Pro%dde drainage to carry water to a sediment trap or other suitable outlet. 4 Use geotextile fabrics because they improve stability of the foundation in locations subject to seepage or high water table. Maintenance Maintain the gravel pad in a condition to prevent mud or sediment from leaving the construction site. This may require periodic topdressing with 2-inch stone. Mier each rainfall, inspect any structure used to trap sediment and clean it out as necessary. Immediately remove all objectionable materials spilled, hashed, or tracked onto public roadways. Hanover Design Services 1123 Moral Pkwy. Wilmington, NC 28403 Land Grading Specification 9 6.02 Construction Specifications 1. Construct and maintain all erosion and sedimentation control practices and measures in accordance with the approved sedimentation control plan and construction schedule. 2. Remove good topsoil from areas to be graded and filled, and preserve it for use in finishing the grading of all critical areas. 3. Scarify areas to be topsoiled to a minimum depth of 2 inches before placing topsoil (Practice 6.04, Topsciling). 4. Clear and grub areas to be filled to remove trees, vegetation, roots, or other objectionable material that would affect the planned stability of the ff11. 5. Ensure that fill material is free of brush, rubbish, rocks, logs, stumps, building debris, and other materials inappropriate for constructing stable fills. 6. Place all fill in layers not to e%ceed 9 inches in thickness, and compact the layers as required to reduce erosion, slippage, settlement, or other related problems. 7. Do not incorporate frozen material or soft, mucky, or highly compressible materials into fill slopes. 8. Do not place fill on a frozen foundation. due to possible subsidence and slippage. 9. Keep diversions and other water conveyance measures free of sediment during all phases of development. 10. Handle seeps or springs encountered during construction in accordance with approved methods (Practice 6.81, Subsurface Drain). 11. Permanently stabilize all graded areas immediately after final grading is completed on each area in the grading plan. Apply temporary stabilization measures on all graded areas when work is to be interrupted or delayed for 30 working days or longer, 12. Show topsoil stockpiles, borrow areas, and spoil areas on the plans, and make sure they are adequately protected from erosion. Include final stabilization of these areas in the plan. Mai ntell ance Periodically chock all graded areas and the supporting erosion and sedimentation control practices, especially after heavy rainfalls. Promptly remove all sediment fi•om diversions and other water -disposal practices. If washouts or breaks occur, repair them immediately. Prompt maintenance of small eroded areas before they become significant gullies is an essential part of an effective erosion and sedimentation control plan. Hanover Design Services 1 123 Flora! Plkwy. Wilmington, NC 28403 1 + w Construction Road Stabilization Specifcation 4 6.80 Construction Specifications 1. Clear roadbed and parking areas of all vegetation, roots and other objectionable material 2. Ensure that road construction follows the natural contours of the terrain if it is possible. 3. Locate parking areas on naturally flat areas if they are available. Keep grades sufficient for drainage but generally not more than 2 to 3%. 4. Provide surface drainage, and divert excess runoff to stable areas by using rater bars or turnouts (References: Runoff Control Measures). 5. Keep cuts and fills at 2: I or flatter for safety and stability and to facilitate establishment of vegetation and maintenance. 6. Spread a 6-inch course of "ABC" crushed stone evenly over the full width of the road and smooth to avoid depressions. 7. Where seepage areas or seasonally wet areas must be crossed, install subsurface drains or gpoteKtile fabric cloth before placing the crushed stone (Practice 6.81, Subsurface Drain): 8. Vegetate all roadside ditches, cuts, fills and other disturbed areas or otherwise appropriately stabilize as soon as grading is complete (References: Surface Stabilization). 9. Provide appropriate sediment control measures to prevent off -site sedimentation. Maintenance Inspect construction roads and parking areas periodically for condition of surface. Topdress with new gravel as needed. Check road ditches and other seeded areas for erosion and sedimentation after runoff -producing rains. Maintain all vegetation in a healthy, vigorous condition, Sediment - producing areas should be treated immediately. Hanover Dew Services 1123 Floral P!k--wy. Wilmington, NC 28403 Sediment Fence (Silt Pence) Specification 6 62 Construction Specifications MATERIALS 1. Use a synthetic filter fabric or a pervious sheet of polypropylene, nylon, polyester, or polyethylene. yarn, which is certified by the manufacturer or supplier as conforming to the requirements shown in Table 6.62b. Synthetic filter fabric should contain ultraviolet ray inhibitors and stabilizers to provide minimum of 6 months of expected usable constntction life at a temperature range of 0 to 120°F. 2, Ensure that posts for sediment fences are either 4-inch diameter pine, 2-inch diameter oak, or 1.33 Th/linear ft steel with a minimum length of 4 ft. Make sure that steel posts have projections to facilitate fastening the fabric. 3. For reinforcement of standard strength filter fabric, use wire fence with a minimum 14 gauge and a maximum mesh spacing of 6 inches. Table 6,62b Specifications For Sediment Fence Fabric Physical Property Filtering Efficiency Tensile Strength at 20% (max.) Elongation Slurry Flow Rate CONSTRUCTION Requirements 25% (nun) Standard Strength- 30 Win in (mim) Extra Strength- 50 lb/lin in (mm) 0.3 gallsq ft/min (min) 1. Constnict the sediment barrier of standard strength or extra strength synthetic filter fabrics. 2. Ensure that the height of the sediment fence does not exceed 18 inches above the ground surface. (Higher fences may impound volumes of water sufficient to cause failure of the structure.) 3. Construct the fitter fabric from a continuous 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 «rith overlap to the next post. Hanover Design Services 1123 Floral Pkwy. Wilmington, NC 284M ( 4. Support standard strength filter fabric by wire mesh fastened securely to the upslope side of the posts using heavy duty wire staples at least I inch long, or tie wires. Extend the wire mesh support to the bottom of the trench. 5. When a wire mesh support fence is used, space posts a maximum of 8 ft apart. Support posts should be driven securely into the ground to a minimum of I8 inches. 6. Extra strength filter fabric �vith 6ft post spacing does not require wire mesh support fence. Staple or wire the Ater fabric directly to posts. 7. Excavate a trench approximately 4 inches wide and 8 inches deep along the proposed line of posts and upslope. from the barrier (figure 6.62a). 8. Backfili the trench with compacted soil or gravel placed over the filter fabric. 9. Do not attach filter fabric to existing trees. Maintenance Inspect sediment fences at least once a week and after each rainfall. Make any required repairs immediately. Should the fabric of a sediment £enoe collapse, tear, decompose or become ineffective, replace it promptly. Replace burlap every 60 days. �•_. Remove sediment deposits as necessary to provide adequate storage volume for the next rain and to reduce pressure on the fence. Take care to avoid undermining the fence during cleanout. 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. Hanover Design Services 1123 Floral Pkwy. Wilmirgton, hC 28403 Outlet Stabilization Structure Specification # 6.41 Construction Specifications 1 Ensure that the subgrade for the filter and riprap follows the required lines and grades shown in the plan. Compact any fill required in 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 limits shown on the plans. 3. Filter cloth, when used, must meet design requirements and be properly protected from punching or tearing during installation. Repair any damage by removing the riprap and placing another piece of filter cloth over the damaged area. All connecting jouits should overlap a minimum of 1 ft. If the damage is extensive, replace the entire filter cloth. 4. Rip rap maybe placed by equipment, but take care to avoid damaging the filter. 5. The minimum thickness of the riprap should be 1.5 times the maximum stone diameter. 6. Riprap may be field stone or rough quarry stone. It should be bard, angular, highly weather - resistant and well graded. 7. . Construct the apron on zero grade with no overfall at the end. Make the top of the riprap at the doNvristream end level with the receiving are or slightly below it. S. Ensure that the apron is properly aligned with the receiving stream and preferably straight throughout its length. If a curve is needed to fit site conditions, place it in the upper section of the apron. 4, Immediately after construction, stabilize all disturbed areas with vegetation (Practice 6.14, Temporary Seeding, and 6.11, Permanent Seeding). Maintenance Inspect riprap outlet stnictures after heavy rains to see if any erosion around or below the riprap has taken place or if stones have been dislodged. Immediately make all needed repairs to prevent further damage. Hanover Design Services 1123 PIM1 PkWV- Wil nington, NC 26403 Sediment Basin Specifications # 6.61 Construction Specifications 1. 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 centerline of the earth fill embankment. Cut the trench to stable soil material, but in no case make it less than 2 ft, deep. The cut-off trench must extend into both abutments to at least the elevation of the riser crest. Make the minimum bottom width wide enough to permit operation of excavation and compaction equipment but in no case less than 2 ft. Make side slopes of the trench no steeper than 1:1. Compaction requirements are the same as those for the embankment. Keep the trench dry during backfilling and compaction operations. 3. Embankment —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 be placed before placing fill. The fill material must contain sufficient moisture so it can be formed by hand into a ball without crumbling. If water canbe squeezed out of the ball, it is too wet for proper compaction. Place fill material in 6 to 8-inch �.. continuous layers over the entire length of the fill area and then compact it. Compaction may be obtained by routing the construction hauling equipment over the fill so that the entire surface of each layer is traversed by at least one wheel or tread track of the heavy equipment, or a compactor may be used. Construct the embankment to an elevation 10% higher than the design height to alloNv for settling. 4. Conduit spillways —Securely attach the riser to the barrel or barrel stub to make a watertight structural connection. Secure all coruiections between barrel sections by approved watertight assemblies. Place the barrel and riser on a firm, smooth foundation of impervious soil. Do not 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 4-inch layers and compact it under and around the pipe to at least the same density as the adjacent embankment. Care must be taken no to raise the pipe from firm contact with its foundation when compacting under the pipe haunches. Place a minimum depth of 2-t. of hand -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. 5. 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 succmful operation of emergency spillway. Hanover Design Smices 1123 F" Pkwy. Wilmington, NC 288D3 b. Inlets=Discharge water into the basin in a manner to prevent erosion. Use diversions with outlet protection to divert sediment -laden water to the upper end of the pool area to improve basin trap effeiency (References: Runoff Control Measures and Outlet Protection). 7. Erosion control —Construct the structure so that the disturbed area is 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 (References: Surface Stab itization), 8. Safety —Sediment basins may attract children and can be dangerous. Avoid steels side slopes, and fence and mark basins with wanting signs if trespassing is likely. Follow all state and local requirements, Maintenance Check sediment basins after periods of significant runoff. Remove sediment and restore the basin to its original dimensions when sediment accumulates to one-half the design depth. 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, Hanover Dmgn Services 1123 Floral Pkwy. Wilmington, NC 28403 Temporary Seeding Specification # 610 Specifications Complete grading before preparing seedbeds and install all necessary erosion control practices, such as dikes, waterways and basins. Minimize steep slopes because they make seedbed preparation difficult and increase the erosion hazard. if soils become compacted during grading, loosen them to a depth of 6-8 inches using a ripper, harrow, or chisel plow. Seedbed Preparation Good seedbed preparation is essential to successful plant establishment. A good seedbed is well -pulverized, loose and uniform. Where hydroseeding methods are used, the surface may be lift with a more irregular surface of large clods and stones. Liming - Apply lime according to soil test recommendations. If the pH(acidity) of the soil is not known, an application of ground agricultural limestone at the rate of 1 to 1 1/2 tons/acre on coarse -textured soils and 2-3 tons/acres on fine -textured soils is usually sufficient. Apply limestone uniformly and incorporate into the top 4-6 inches of soil. Soils with a pH of 6 or higher need not be limed, Fertilizer- Base application rates on soil tests. When these are not possible, apply a 10- 10-10 grade fertilizer at 700-1,000 lb./acre. Both fertilizer and lime should be incorporated into the top 4-6 inches of soil. If a hydraulic seeder is used, do not mix seed and fertilizer more than 30 minutes before application. Surface roughening- If recent tillage operations have resulted in a loose surface, additional roughening may not be required except to break up large clods. If rainfall cases the surface to become sealed or crusted, loosen it just prior to seeding by disking, raking, harrowing, or other suitable methods, Groove or furrow slopes steeper than 3:1 on the contour before seeding (Practice 6:03, Surface Roughening). Plant Selection Select an appropriate species or species mixture from Table 6.10a, for seeding in late winter and early spring, Table 6.1Ob for summer, and Table 6.1 Oc for fall.. Hanover Design SemicEs 1123 Floral Pkwy. Witnington, NC 28403 v Seeding Evenly apply seed using a cyclone seeder (broadcast), drill, cultipacker seeder, or hydroseeder. Use seeding rates given in Table 6.10a-6.10c. Broadcast seeding and hyroseeding are appropriate for steep slopes whey equipment cannot be driven. Hand broadcasting is not recommended because of the difficulty in achieving a uniform distribution. Small grains should be planted no more than 1 inch deep, and grasses and legumes no more than inch. Broadcast seed must be covered by raking or chain dragging, and then lightly firmed with a roller or cultipacker. Hydroseeded mixtures should include a wood fiber (cellulose) mulch. Mulching. The use of an appropriate mulch will help ensure establishment under normal conditions and is essential to seeding success under harsh site condition (Practice 6.14, Mulching). Harsh site conditions include: -seeding in fail for winter cover (wood fiber mulches are not considered adequate for this use), -slopes steeper than 3,1, -excessively hot or dryweather, -adverse soils(shaliow, rocky, or high in clay or sand), and -areas receiving concentrated flow. If the area to be mulched is subject to concentrated waterfiow, as in channels, anchor mulch with netting (Practice 6.14, Mulching). Table 6.1 Oc Temporary Seeding Recommendation for Pall Seeding mixture Species-Rye(grain) Rate(lb/acre) - 120 Seeding dates - Coastal Plain and Piedmont -Aug 15 - Dec. 30 Soil amendments - Follow soil tests or apply 2,000 lb./acre ground agricultural limestone and 1,000 lb/acre 10-10-10 fertilizer. Mulch- Apply 4,000 lb/acre straw. Anchor straw by tacking with asphalt, netting, or a mulch anchoring tool. A disk with blades set nearly straight can be used as a mulch anchoring tool. Maintenance- Repair and refertilize damaged areas immediately. Topdress with 50 lb/acre of nitrogen in March, if it is necessary to extend temporary cover beyond June 15, overseed with 50 lb/acre Kobe (Piedmont and Coastal Plain) Hanover DeWn Sera M 1123 FlorW Pkwy. wiming;on, NG 29403 Table 6.10a Temporary Seeding Recommendation for Late Winter and Early Spring Seeding mixture Species- Rye(grain), Annual lespedeza (Kobe in Piedmont and Coastal Plain Rate (lb/acre)- 120 Omit annual lespedeza when duration of temporary cover is not to extend beyond June Seeding dates -Coastal Plain —Dec. I — Apr. 15. Soil amendments- Follow recommendations of soil tests or apply 2,000 lb/acre ground agricultural limestone and 750 lb/acre 10-10-10 fertilizer. Mulch -Apply 4,0001b/acre straw. Anchor straw by tacking with asphalt, netting or a mulch anchoring tool. A disk with blades set nearly straight can be used as a mulch anchoring tool, Maintenance - Refertilize if growth is not fully adequate. Reseed, refertilize and mulch immediately following erosion or other damage. Table 6.10b Temporary Seeding Recommendations for Summer Seeding mixture Species -German millet Rate(lb/acre)- 40 Seeding dates -Coastal Plain- Apr. 15-Aug. 15 Soil amendments -Follow recommendations of soil tests or apply 2,000 lb/acre ground agricultural limestone and 750 Nacre 10-10-10 fertilizer. Mulch --Apply 4,000 lb/acre. straw. Anchor straw by tacking with asphalt, netting or a mulch anchoring tool. A disk with blades set nearly straight can be used as a much anchoring tool. Mai ntenance-Refertilize if growth is not fully adequate. Reseed, refertilize and much immediately following erosion or other damage. Hanover Dmgn Services 1123 Floral Pk". Wilmington, NC 29403 Permanent Seeding Specifications # 6.11 Specifications Seedbed RegWrements Establishment of vegetation should not be attempted on sites that are unsuitable due to inappropriate soil texture (Table 6.1 la), poor drainage, concentrated overland flow, or steepness of slope until measures have been taken to correct these problems. To maintain a good stand of vegetation, the soil must meet certain minimum requirements as a growth medium. The existing soil should have these criteria: - Enough fine-grained (silt and clay) material to maintain adequate moisture and nutrient supply (available -,eater capacity of at least .05 inches water to I inch of soil). - Sufficient pore space to permit root penetration. - Sufficient depth of soil to provide an adequate root zone. The depth to rock or impermeable layers such as hardpans should be 12 inches or more, except on slopes steeper than 2:1 where the addition of soil is not feasible. - A favorable pH range for plant growth, usually 6.0-6.5. - Freedom from large roots, branches, stones, large clods of earth, or trash of any kind. CIods and stones may be left on slopes steeper than 3:1 if they are to be hydroseeded. If any of the above criteria are not met-i.e., if the existing soil is too coarse, dense, shallow or acidic to foster vegetation —special amendments are required. The soil conditioners described below may be beneficial or, preferably, topsoil may be applied in accordance with Practice 6.04, Topsoiling. Soil Conditioners In order to improve the structure or drainage characteristics of a soil, the following material may be added. These amendments should only be necessary where soils have limitations that make them poor for plant growth or for fine turf establishment (see Chapter 3, Vegetative Considerations). Peat -Appropriate types are sphagnum moss peat, hypnum moss peat, reedsedge peat, or peat bumus, all from fresh -water sources. Peat should be sluedded and conditioned in storage piles for at least 6 months after excavation. Sand -clean and free of toxic materials Vermiculite -horticultural grade and free of toxic substances. Rotted manure -stable or cattle mamire not containing undue amounts of straw or other bedding materials. Thoroughly rotted sawdust- free of stones and debris. Add 6 lb, Of nitrogen to each cubic yard. Sludge -Treated sewage and industrial sludges are available in various forms: these should be used only in accordance with local, State and Federal regulations. Hanover Dasrgn Services 1123 Fkxal Pkwy. Wilmington, NC 28403 { Species Selection Use the key to Permanent Seeding Mixtures (Table 6.1 lb) to select the most appropriate seeding mixture based on the general site and maintenance factors. A listing of species, including scientific names and characteristics, is given ux Appendix 8.02. Seedbed Preparation Install necessary mechanical erosion and sedimentation control practices before seeding, and complete grading according to the approved plan. Lime and fertilizer needs should be determined by soil tests. Soil testing is performed free of charge by the North Carolina Department of Agriculture soil testing Iaboratory. Directions, sample cartons, and information sheets are available through county. Agricultural extension offices or from NCDA . Because the NCDA soil testing lab requires 1-6 %c,eeks for sample turn- around, sampling must be planned well in advance of final grading. Testing is also done by commercial laboratories. When soil test are not available, follow rates suggested on the indilridual specification sheet for the seeding mix chosen (Tables 6.11c through 6.1 Iv). Applications rates usually fall into the following ranges: - Ground agricultural limestone Light -textured, sandy soils; 1-1 %tons/acre Hcavy textured, clayey soils 2-3 tons/acre - Fertilizer: Grasses 800-1200 lb/acre of 10-10-10 (or the equivalent) Grass -legume mixtures: 800-1200 lb/acre of 5-10-10 (or the equivalent) Apple time and fertilizer evenly and incorporate into the top 4-6 inches of soil by dishing or other suitable means. Operate machinery on the contour. When using a hydroseeder, apply time, and fertilizer to a rough, loose surface. Roughen surfaces according to Practice 6.03, Surface Roughening. Complete seedbed preparation by breaking up large clods and raking into a smooth, uniform surface (slope less than 11) Fill hi or level depressions than can collect water. Broadcast seed into a freshly,loosencd seedbed that has not been sealed by rainfall. Hanpver Design Services 1123 Floral Pkwy. Wilmington, NG 26403 Table 6.1 is Seeding No. 4CP for: Well -Drained Sandy loarns to Dry Sands, Coastal Plain and Eastern Edge of Piedinont; Low to Medium -Care Lawns Seeding mixture Species - Centipedegrass Rate - 10-20 lb/acre (seed) or 33 bulacre (sprigs) Seeding dates - Mar. - June (Sprigging can be done through July where water is available for irrigation.) Soil amendments - Apply Iime, and fertilizer according to soil test, or apply 300 lb/acre 10-10-10. Sprigging - Plant sprigs in furrows with a tractor -drown transplanter, or broadcast by hand. Furrows should be 4-6 inches deep and 2ft apart, Place sprigs about 2 ft. apart in the row with one end at or above ground level (Figure 6.11d). Broadcast at rates shown above, and press sprigs into the top 1 % inches of soil with a disk set straight so that sprigs are not brought back toward the surface. Mulch - Do not mulch Maintenance - Fertilize very sparingly-20 lb/acre nitrogen in spring with no phosphorus. Centipedegrass cannot tolerate high pH or excess fertilizer. `Refer to Appendix 8.02 for botanical names Kanover Design Services 1123 Floral Pkwy. Wilmington, NC 28403 Table 6.1 It Seeding No. 5CP for: Well -Drained Sandy Loams to Dry Sands;Low Maintenance Seeding mixture Species Rate {lblacre} Pensacola Bahiagrass 50 Sericea lespedeza 30 Common Bcrmudagrass 10 German millet 10 Seeding notes 1. Where a neat appearance is desire, omit sericea 2. Use common Berinudagrass only on isolated sites where it cannot become a pest. Berrnudagrass may be replaced with 5 lb/acre centipedgrass. Seeding dates - Apr. 1 - July 15 Soil amendments - Apply lime and fertilizer according to soil tests, or apply 3,000 lb/acre ground agricultural limestone and 500 lb/acre 10-10-10 fertilizer. Mulch Apply 4,000 lb/acre grain straw or equivalent cover of another suitable mulch. Anchor by tacking with asphalt, roving and netting or by crimping with a mulch anchoring tool. A disk with blades set nearly straight can be used as a mulch anchoring tool. Maintenance - Refertilize the following Apr. with 50 lb/acre nitrogen. Repeat as growth requires. May be moved only once a year. Where a neat appearance is desired, omit sericea and now as often as needed. Hawver Deugn Services 1123 Fbrat Pkwy. Wilmington, NC 28403 Table 6.11 v Seeding No. 7CP for: Grass -lined Channels; Coastal Plain, Lower Piedmont and Dry Soils in the Central Piedmont Seeding Mixture Species - Common Bermudagrass Rate - 40-80 (1/2 lb/1,000 A) Seeding dates - Coastal Plain; Apr - July Soil amendments - Apply Iime and fertilizer according to soil tests, or apply 3,000 lb/acre ground agricultural limestone and 500 lb/acre 10-10-10 fertilizer. Mulch - Use jute, excelsior matting, or other effective channel lining material to cover the bottom of channels and ditches. The lining should extend above the highest calculated depth of Bow. On channel side slopes above this height, and in drainages not requiring temporary linings, apply 4,000 lb/acre grain straw and anchor straw by stapling netting over the top. Mulch and anchoring materials must be allowed to «rash down slopes where they can clog drainage devices. Maintenance -A minimum of 3 weeks is required for establishment. Inspect and repair mulch frequently. Refertilize the following Apr. with 50 lb/acre nitrogen. Hanover Dopgn Sanrm 1123 FkxW Pkwy. Wilmington, NC 284M Grass -Lined Channels i Specification # 6.30 Construction Specifications 1. Remove all trees, brush, stumps, and other objectionable material from the foundation area and dispose of properly. 2. Excavate the channel and shape it to neat lines and dimensions shown on the plans plus a 0.2 ft ovcrcut around the channel perimeter to allow for bulking during seedbed preparations and sod buildup. 3. Remove and properly dispose of all excess soil so that surface water may enter the channel freely. 4. The procedure used to establish grass in tha channel will depend upon the severity of the conditions and selection of species. Protect the channel with mulch or a temporary liner sufficient to withstand anticipated velocities during the establishment period (Appendix 8.05). Maintenance (luring the establishment period, check grass -lined channels after every rainfall. Afler grass is established, periodically check the channel; check it after every heavy rainfall event. Immediately make repairs. It is particularly important to check the channel outlet and all road crossings for bank stability and evidence of piping or scour holes. Remove all significant sediment accumulations to maintain the designed carrying capacity. Keep the grass in a health, vigorous condition at all times, since it is the primary erosion protection for the channel (Practice 6.11, Permanent Seeding). C Practice Standards and Specifications Definition A rock embanlanent located to capture sediment in a naturally formed drainage feature. Purpose To trap sediment on the construction site, and prevent off -site sedimentation in streams, lakes, and drainageways, Conditions Where The rock dainmaybe isedindrainage areas too large for the use ofatemparary PC�CtICC'. ,� ilsedu-nent trap. The height of the dam is limited to 8 feet, and drainage area pe5 should be no larger than 10 acres. The rock dam is preferred where a stable, earthen -embankment would be difficult to construct, and riprap and gravel arse readily available. The site must be accessible for periodic sediment removal. A rock dam should not be located in a intermittent or perennial stream. Planning A sediment basin formed by a rock embankment is used primarily where it is Considerations desirable to have the top of the structure serve as the overflow outlet and where suitable rack is readily available, A long weir crest is designed to keep flow depth shallow aaad discharge velocities low_ The inside face of the rock dam must be covered with gravel to reduce the rate of seepage through the darn so that a sediment pool will form during runoff events. The pool should drain i slowly through the gravel. The abutrneuts of the rock dam must be higher than the top of the darn to prevent any water from flowing against the soil. Suitable filter fabric should be placed between the rock structure and its soil base and abutments. This practice prevents "piping" or soil movement in the foundation and abutments. Rock should extend do«gnsiream from the tot of the dam, on zero grade, and a sufficient distance to stabilize flow and prevent erosion. For other planning considerations see Practice 6.61, Sediment Basin. Design Criteria Surnmary:_ T w"rary Rock Darn Primary Spilharay: Stone Spillway Maximum Drainage Area: 10 acres Minimum Sediment Storage Volume: 3600 cubic fleet per acre of disturbed area Minimum Surface Area: 435 square feet per cis of Qua peak inflow Minim= LIW Ratio: 2:1 Minimum Depth: 3.5 feet, 1.5 feet excavated below grade Maximum Height: Weir elevation 6 feet above grade Dewatering Mechar i sett Stone Spillway Minimum Dewaterring Time: nA Baffles Required: 3 Design basin Gfe--3 years or less. Dam height ---limited to 8 feet, Ree. 6106 Hanover Design Services 6.63.1 1123 Flora; Pkwy. Wilmington, NC 28403 a Basin lomdans—select areas that: • provide a large surface area to trap sediment; • intercept runoff from disturbed areas; • are accessible for periodic sediment removal; and • interfere minimally with construction activities. Basin volarne—The voliune of the basin should be at least 3600 cubic feet per acre based on disturbed area draining into the basin, and measured 1 foot below the spillway crest. Asediment cleanout elevation, where the sediment pool is 50% full, should be marked in the field with a permanent stake, Trap efficiency —The following design elements must 'be provided for adequate trapping efficiency: • provide a surface area of 0.01 acres (435 square feet) per cfs based on the area draining to the rock dam. • locate sediment inflow to the basin away from the dam to prevent short circuits from inlets to the outlet; • provide porous baffles (Practice 6.65, Porous Baffles); and • excavate 1.5 feet of the depth of the basin below grade, and a minimum of 2 feet above grade. Spillway capacity —The spillway should carry peak runoff for a 10-year storm with maximum flow depth of 6 inches and a minimum freeboard of 1 foot. The top of the rock embankment may serve as the spillway. Embankment -- Top width= 5 feet minimum Side Slopes— Maximum: 2:1 upstream slope 3:1 downstream slope Rock abutments should extend to an elevation at least 2 feet above the spillway. Abutments should be 2 feet thick with 2:1 side slopes. The rock abutments should extend down the downstream face of the dam to the toe, at least 1 foot higher than the rest of the darn to protect the earth abutments from scoot: Outlet protection —A rock apron, at least 1.5 feet thick,• should extend downstream from the toe of the dam on zero grade. A sufficient distance or a distance equal to the height of the dam (whichever is greater) is needed to prevent channel erosion. Rock fill —Rock should be well graded, hard, erosion resistant stone with a minimum d. size of 12 inches. 'typically, a rock dam should be constructed of a downstream layer of Class It riprap providing 3 feet of the crest vtridth and an upstream layer of Class l riprap providing 2 feet of the crest width. Protection from "piping" --To prevent soil movement and piping under the dam, the entire foundation ineJuding both earth abutments trust be covered by filter fabric. Overlap l foot at all joints, with the upstream strip over the downstream strip. Basin dewatering The entire upstream face of the rock structura should be covered with fine gravel (NC DOT #57 or 45 washed stone) a minimum of 1 foot thick to reduce the drainage rate, 6.63.2 Hanover cosign services Rei 6106 1123 Floral Pkwy. Wilmington, NO 28403 C., Practice Standards and Specifications V min. W bi or #'57 wa stone Filter Fabric Cross -Section View Plgure 6.63a Reek Dam cross section Construction f. Clear the areas under the embankment and strip of roots and other 5 t:,cit3catlonS objectionable material. Delay cleaning the reservoir area until the darn. is in place. 2. Cover the foundation area including the abutments with extra -strew ;th filter fabric before backfillin; with rock. If a cutoff trench is required, mxavate at center line of dam, extending all the way up the earth abutments. Apply filter fabrio under the rockfill ernbanlanent from the upstream edge of the dam to the downstITZM edge of the apron. Overlap fill inateriai a minimum of 1 foot at all joints, Nvith the upstroam strip laid over the downstream strip. 3. Construct the embanlanent with well -graded rock and gravel to the size and dimensions shower on the drawings. It is important that rock abutments be at least 2 feet higher than the spillway crest and at least 1 foot higher than the darn, all the way to the downstream lac, to prevent scour and erosion at the abutments. Hanover DcAign Services Rev. 01 6 1123 Floral Pkwy. 6.63.3 Wltm�Lngton, t+lC 26403 Spill Roc 6.63.4 0 Figure 6.63b Rock Dam plan view and spillway details spillway Details Top of rock abutment Z' min Slope foundation;'` ,: ,.' Spillway Filter fcbric round Levelapron 4. Sediment -laden water from die construction site should be diverted into the basin reservoir at the furthest area from the dam. 5. Construct the rock dam before the basin area is cleared to a-duimize sulimcnt yield from construe€ion of the basin. Immediately stabilize all areas disturbed during the construction of the dam except the sediment pool (References: Sraface Stabilizaticn). 6. Safet"ediment basins should be considered dangerous hewause they attract children. Steep side slopes should be avoided. Fences with warning signs may be needed if trespassing is likely. All slate and local requirements must be :Followed. Hanover Design setvicer. 1123 Floral Pk.vy- Wilmington, NG 29403 Rev. 6106 Practice Staytdards aizd Specifications Maintenance Cbecksedimenlbasins a#tereach rainfall. Remove sediment and restore original ' volume when sediment accumulates to about one-half the design volume. Sediment should be placed above the basiu and adequately stabilized. Check the siraeture for erosion, piping, and r"k displacement weekly and after each s bgafficant ('f, inch or greater) rainstorm and repair immediately. Remove the structure and Any unstable sediment immediately after the construction site has been permanently stabilized. Smooth the basin site to blend with the surrounding area and stabilize. All water and sediment should be removed from tha basin prior to daze removal. Sediment should be placed in designated disposal areas and not allowed to flow into streams or drainage ways during structure removal. References Szrrfaee SwbUlzallon 6.10, Temporary Seeding 631, Permanent Seeding 6,12, Sodding 6.13, 7Yees, Shrubs, Vines, and Ground Covers Sediment D-aps and BaYrlerS 6,61, Sediment Basins 6.65, Porous Baffles North C<-irolins Department of'Iransportatiou Standa,zf 5peci)5catrons for Rocds and Strucrurm f Hanover Des19n Services 1123 F*4 PkwY- Itev, Gttkb WihrfuVton, NC 26403 6.63.5 — 1 t V /-♦_ 9 L A O .�..aLEG�+..r.al.¢ O V N (a m� \ w -Y 6 - _ - a 12 --�. C O U N T Y `,r / -m * ' •s. ti : ~ } a J 9 ee as • m� �t 4iA s _� r]`�" /i �' ,...mlwe. wv+m. pe S .C4 li ..f` '' i ,� .r, xa -.�• i •,F k - � �-e� rousnalm-+.a L ..l y � m m m.a.. m } j . � -. � ..�'` � ',m ~a: T � •a '' �.. _ �r.L (: �.'� m � n.w,cara. } �S �. - a . _ �., , , .m •' � A _ `J 4 �i. � � . � �.• y Inwr w�ucw..oa 4 •. @ m r ._�. � m ` ,! m I sn •� S.. � `4 • l� , :fir oEn.�+rrw..lwaww • II {' .� Fx �� C.7 J c9' . SR _ LR tl _ �'�"*�� lG J �O.o..S1Wt.GMTY1 W. 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S' •-` •, �'�- } g '�J/�'T- ] � _ � �' m ,. rm � m` ��� m .. m rs ••\ nit +0 � ael.a.mawn .rm.�..._.�....�.� �' 7 � i m ^•� � }}}fff-��f11.,,-__ ' � ` a � •r a me '� t�1 S � re Iw.aahm,.mrm el si \� � � C•�\\ �l � v ' a m _i \..� ,1 xn � Q �- 'i J.�-A• a � sti L `•1 r - z AMi,�� COLUMBUS COUNTY-- �� ' a n j a� .:s . k ZE }�\ \ jfi� :° m '-:✓ _ e a NORTH CAROLINA NORTH CAROUt4A DEPARTMENT OF TRANSPORTATION �f � S\.` �. � �+rr �,.� ! •f' ..w r m. m��,.� � STATE FiOAfl MP1NiEidA}4CG AM INFORMATION SECTION ..�� �� ti •' J 11.5.DIEPARTMENT OFF TRANSPORTATION FEDERAL }II kG {NAY AOkCNl5TRATION mamne ..�"':i� \ �, ,_K _; �♦ .w..s�.e....aoK,.�.. :' fr�la R"'. 1 wprma��+ }i ? tii 4 i _�— j ''1 �, '� 1 :. �Y,�..._,.. y • yL ar — �r — :y . � �4 �i � �' } �•-� t � P�l .� '� Z Lf 13 't �, o . {gL.UI'BUSCOUNTY ,,,.,., 047 LAND QUALITY SECTION &TRW U.S, DEPAXIMEY17OPTHE INTERIOR r�NW.041, WfIrl-EVILLE QUADRANGIX .USGS U.S. GFOL0GlQ'ALSURvtY .1111* US Top a NORTH CARoUNA-OOLUM33US Co. ,—a 4rw 7.54MMSIRM is • 'FQ fit .14 45 pit Pit '--ftff Ill 7wirw r 4b;k-/y Vv �P 5t, , t INV f 7, I-V *115 4, �el 7 i., 14 V e 7 4il, 11" 4. r 15, H.H. r Zt. f 46�41 It f-, A i7� If IX L.J. 4�, A, Is L -.M J— ou .2 42 11 QT r V-1 41 I rk . �jj lk -W 'j, .0, ox A 'cr J �-Y 'All -95, :2e. Apvrl� 41 M, 1*14 If �A N m lizi is 4-A T -TZ % v, t:,-V F"Tua 47 'ICE rafTlo• t, d. vat " stsosts u-m.&w $--v SCALE 11AW wAu emimwl -0�- r ------ ................... . . ..... ................. ------ - .... . ........ -- ............. . 7.2 ............................ NyJopyhr.......... . Wk - 201 3 m C: > �l �fl m m < C) m q 0 z I 7 Practice Standards and SpacgiraApns Y.- 1, 11 � � �. �•l l � ll,.'_.1 ,J 1.� �1i'�i''� i__� S -" F�.� -..'_� _ 3..-�•7 ��.'. S- _ - •- I_••_� L..ti �i rst.� l,1ea11�1.r� ltu� uL•i]�� .:t� iA ur_E NOTE: PLANNED ER❑SI❑N AND SEDIMENT CONTROL PRACTICES 1, TEMPORARY GRAVEL CONSTRUCTION ENTRANCE CE Pract I ce 6, 06 Shall be installed at the entrance to the project from the road and will be controlled with downstream practices. During wet weather it may be necessary to wash truck tires at these Locations, 2. LAND GRADING Practice 6.02 Grading should be tlmited to areas as shown on the Plans. Cut and fill slopes shall be 311 or flatter except where specifically indicated. S F 3. SEDIMENT FENCE Pract ice 6, 62 Sediment fencing should be Installed as shown on the prevent any interior areas from eroding onto adjacent areas (�C 4, GRASS -LINED CHANNELS Practice 6.30 All overflow swales to be graded to design configuration, seeded, and stabilized if necessary with temporary straw -net liners to collect and convey site water off site as shown on Plan. After final project stabilization, swales to be re -graded and cleaned of siltation as needed to establish orIgIno, t contours for stormwater conveyance. STABILIZATION TIME FRAMES, SITE AREA DESCRIPTION STABILIZATION Perimeter dikes, swales, ditches and slopes 7 DAYS High Quality Water (HQW) Zones 7 DAYS Slopes steeper than 311 7 DAYS Slopes 3:1 or flatter 14 DAYS All other areas with slopes flatter than 411 14 DAYS NOTE WELL, ANY AREAS ON -SITE WITHOUT ACTIVITY SHALL BE STABILIZED WITHIN 15 WORKING DAYS AND AS ABOVE, ALL SLOPES MUST BE STABILIZED WITHIN 21 CALENDAR DAYS OF CEASE OF ANY ACTIVITY. r---- NOTES: 1. CONTOURS SHOWN WERE TAKEN FROM COLUMBUS COUNTY G.I.S. 2. NO PARTS OF MINING SITE ARE LOCATED WITHIN 100YEAR FLOOD BOUNDARY ACCORDING TO F.I.R.M. MAP 370377 0350 C, REVISED JUNE 5, 1989. LEGEND E.I.P. = EXISTING IRON PIPE E.I. = EXISTING IRON E. C. M. = EXISTING CONCRETE MONUMENT R1W = RIGHTOFWAY C.P. = COMPUTEDPOINT PROPERTY LINE BUILDING SETBACK CENTERLINE -_-_-_-- PROOSED SILT FENCE COMPUTED PROPERTY LINE ------------------------------------------ NOTES 6.63 O C Definition A rock embankment located to capture sediment in triaturally formed drainage feature. Purpose To trap sediment on the construction site, and. prevent off site sedimentation in streams, lakes, and drainageways. Conditions Where The rock dam may be used in drainage areas too large for the use ofatemporary Practice Applies sediment trap. The height of the dam is limited to $ feet, and drainage area should be no larger than 10 acres. The rock dam is preferred where a stable, earthea'embankment would be difficult to construct, and riprap and gravel are readily available. The site must be accessible for periodic sediment removal. A rock dam should not be located in a intermittent or perennialstreanz Planning A stdiurut basin formcd by a rock embankment is used primarily where it is Considerations desitable to have the top of the stnxturt som as the overflow outlet and wheTe suitable rock is readily available. A long weir crest is designed to keep flow depth shallow and discharge velocities low. The inside face of the rock dam must be covered with gravel to reduce the rate of seepage through the dart so �= that a sediment pool will form during =off events. The pool should drain slowly through the gravel. The abutments of the rack dam must be higher than the top of the dam to prevent any water from flowing against the soil. Suitable filter fabric should be placed between the rock structure and its soil base and abutments. This practice prevents'.piping" or sail movement in the foundation and abutments. Rock should extend downstream from the toe of the dam, en zero grade, and a sufflciew distance to stabilize flow and prevent erasion - For other planning considerationssec Practice 6.61,5edlmentBasin. ntmarv_ rr p9,sn Rock Dam Design Criteria Stt primaryspr3iway: stone SpUlway Maximum Drainage Area: 10 acres Mini mans Sediment Storage Volume: 3600 cubic feet per acre of chstu i*d area Minimum. Surface Area: 435 square feet per cfs of Q14 peak inflow Minimum LtW Ratio: 2.1 Minimum Depth: 3.5 feet, L5 feet excavated below grade Maximum Height: Weir elevation 6 feel above grade Dewatering Mechanism Stone Spillway Minimum newatcring Time: NIA Baffles Required: 3 Design basin life-3 years or less - Dam height ---limited to 8 feet. Rev. 6loG EXISTING BOUNDARY LINE PROPOSED PROJECT AREA 6,63.1 ---� -- JERRY SELLERS PROPOSED PROJECT AREA 9-10 ACRES EXISTING HAUL ROAD AREA 0-30 ACRE TOTAL PROPOSED PROJECT AREA 9AOACRE S ----?-,JERRY SELLERS l 1- AREA COMPUTED BY COORDINATE METHOD 2- ALL DISTANCES ARE HORIZONTAL 3. FOR REFERENCE SEE AS NOTED 4. SURVEYED JULY, 2013 5. 9.10ACRES TOTAL PROJECTAREA 6. THIS PROPERTY IS NOT LOCATED WITHIN 2WO' OFAN EXISTING N.C. GRID MONUMENT BASIN WIDTH = 200 FT PROPOSED WATER SURFACE EXISTING HAUL ROAD ROADWAY AREA A 32 31 ` 30 29 f� } =28 27 26 ..� 25 ._.. _ J-wow� t 1 JERRY SELLERS -�--- NATURAL GROUND PRIMARY& EMERGENCY SPILLWAY (EXTENDS A WAY FROM BASIN UNTIL MEETS NATURAL GROUND)- RIP RAP PROTECTION TO BE PROVIDED. - SEDIMENT BASIN WILL BEAPPROJC 200 FTx200 FT - 12 FT 1N DEPTH se SEDIMENT BASIN wl ROCK DAM Practice 6.63 N.T.S. 1 l 1 1 , - t 1 ;t l 1 tl [� s Z s y/ t11 It r 1 '1 --- LOCATION MAP +--�------- r 1 1 ;----------__ / ---- ' I ------------- (NOT TO SCALE) ( I ! i .L.1 0 �t I 1 i I I I I 1 I 1 , _� 5114GLETAfiYR I 1 r I 1 -�_� 24 C �4 J FURNIE HINSON R ,ay /Ns cy� = cn ------------------- -- - 3? O m RCyl ------------------------------------------------ 4 C, Rat: sroa Basin locations select areas that • provide a large sterface area to trap sediment; • intercept runoff fv*in disturbed areas; • are accessible for periodic sediment removal; and • interfere minimally with construction activities. Basin volume -The volume of the basin should be at least 3600 cubic feet pet acre based on disturbed area draining into the basin, and measured I foot below the spillway crest. Asediment cleanout elevation, where the sediment pool is 50% full, should be marked in the field with a permanent stake. Trap of dency---fire following design elements must 'be provided for adequate trapping efficiency • provide a surface area of 0.01 acres (435 square feet) per cfs based on the area draining to the rock dam. • locate sediment inflow to the basin away from the dam to prevent short circuits from inlets to the nutlet; • provide porous baffles (Practice 645, Ponmv Baffl=); and • excavate 1 S feet of the depth of the basin below grade, and a minimum of 2 feet above grade. Spillway rapacity -The spillway should carry peak runoff fur a IG-year storm with maximum flow depth of 6 inches and a minimum freeboard of i foot. The top of the rock embankment may serve as the spillu-ay, Embankment - Top width--• 5 feet minimum Side Slopes- Maximum: 2:I upstream slope 3:1 downstream slope hock abutmeats should extend to an elevation at least 2 feet above the spillway. Abutments should be 2 feet thick with 2:1 side slopes. The rock abutments should extend down the downstream face of the dam to the toe, at least 1 foot higher than the rest of the dam to protect the earth abutments from scour. Outlet protection -A rock apron, at least 1.5 feet thick, should extend downstream from the toe of the dam on zero grade. A sutftcieat distance or a distance equal to the height of the dam (whichever is greater) is needed to prevent channel erosion. Rock fell -Rock should bo well graded, hlud, erosion resistant stone with a minimum dw size of 12 inches. Typically, It rode dam should be constructed of a downstream layer ofClass 11 riprap providing 3 feet of the crest width and an upstream layer of C[mm 3 riprap providing 2 feet of the crest width. Protection from "piping" -To prevent soil movement and piping under the dam, the enure foundation including both earth abutments must be covered by filter fabric. Overlap 1 foot at all joints, with the upstream strip over the downstream strip. Hosin dewatering-The entire upstream face of the rock structure should be covered with fine gravel CNC DOT #57 or #5 washed stone) a minimum of I foot thick to reduce the drainage rate, D 1v = z 00 Practice Standards and Specifications Maintenance Checksedimentbasinsaftereachrainfal1.Removesedimentandrestoreoriginal volume when sediment accumulates to about one-half the design volume. Sediment should be placed above the basin and adequately stabilized. Check the structure for erosion, piping, and rock displwemettt weekly and aftw each significant (V, inch or greater) miustorm and repair immediately. Remove the structure and any unstable sediment immediately after the Construction site has been perms mently stabilized- Smooth the basin site to blend with the surrounding area and stabilize. All water and sediment should be removed from the basin prior to darn removal. Sediment should be placed in designated disposal areas and not allowed to flow into streams or drainage ways during structure removal. References $-face Stabilization 6,10, Temporary Seeding 6,11, Permanent Seeding 6.12, Sodding 6.13, 7'iees, Shrubs, Vines, and Ground Covers Sediment Traps and Decriers 6.61, Sediment Basins 6.61, Porous Baffles North Carolina Department of Transportation Standard Spedfrcalions for Roads and A-uctures 6.63.5 i 11 F11 ei1 4 3 2 1 REV. NO. REVISIONS DATE Ld.2u:mentp ohr @, Hanover OdanntServices, ePrtA c-o. nAsorrtgoitstllreeLanvdedS. wolearparr, d urvReepyraordourcEaonrtgionreueru, lropfrthoha dctAonadte. nptsryorcrhoipsiecsbamuomrneanyte oarriayndtdraml oanfaL4aisr ddoecleuam'arelnstro a,lr with Me a4inal aignatare and ongnat anal of*& surveyor of &j*eer, drdbe cros dered to be vard wd bud cope& MINING PLAN FOR THIS PLAN TO BE UTILIZED AND REVIEWED ONLY IN CONJUNCTION WITH THE WRITTEN NARRATIVE, WHICH ISAN INTEGRAL PART OF THIS MINING PLAN. M= 5 1 50n= 0.03 1 5 �l r GC � � GRASS LINED nominal s= 0.30% CAPACITY = 100+cfs @ 1.0 fps 5:1 GRASSED CHANNEL (50 FT OVERFLOW SWALE) NOT TO SCALE CONSTRUCTION SCHEDULE and CHRONOLOGICAL SEQUENCE OF LAND DISTURBING ACTIVITIES - 1, Obtaln approval of Plan and any necessary permits, and hold a pre -construction conference prior to commencing any work, 2. Installation of Sediment Trap at end of permanent access/haul road. 3. Clearing, stumping, and construction of permanent access/haul rood. 4. Clearing and stumping of access/haul road to Lake/excavation area, and associated sediment fencing downstream of access/haul road. 5. Installation of Gravel Construction Entrance. 6, Clearing and stumping of first five (5) acres of Lake/excavation area for truck turn around and stockpile location and associated sediment fencing, 7. Construction of Lake emergency overftow swaLe and erosion control sediment trap. a. Initial excavation consisting of stripping and removal of topsoll In stockpile area (within Lake excavation area). Construction of earthen berm/sound barrier, Creation of vegetated buffer. 9. Stockpiling of 0.5 to 1,0 acres of material for creation of settling/ dewatering area / sediment basin, This area wllL serve as a self contained dewatering area / sediment basin and wilt have an earthen dam separating it from future excavation. As the Lake/excavation grows, the dam wilt be removed to enlarge the settling/deatering area/ sediment basin'to Include recent completed excavated areas, 10. Construction of temporary diversion to sediment basin. 11. As 2 to 3 acres of excavation have been completed in the manner mentioned above, lake banks will be shaped, graded to 5 to 1 slopes, mulched, seeded and landscaped as shown on the plans. 12. The settling/dewatering area wl(I remain as the finished product, keeping the excavation and pumping to a minimum. 13. Once the Lake is completed, temporary haul roads will be removed and reclaimed Temporary erosion control measures wItt be removed. Access road to site and earthen and vegetated buffers will remain permanently. MAINTENANCE PLAN - 1. All measures to be inspected weekly and after any rainfall event and needed repairs made immediately, 2. All seeded areas shall be fertilized, mulched, and re -seeded as necessary, according to specifications provided, to maintain a suitable vegetative cover. 3. Sediment to be removed from ditches and Grass -lined Channels when they are approximately 50% filled or sediment level. is within 2' of top of ditch bank. 4. Sediment to be removed from behind the Silt Fence when it becomes 0,5' deep, Fencing to be repaired as needed to maintain a barrier. S. Construction entrance to be maintained In such a riarweer as to prevent mud or, sediment from leaving the construction site. Periodic topdressing with 2-inch stone may be required. Inspect after each rainfall and immediately remove all objectionable materials spilled, washed, or tracked onto public roadways, 6. Inspect temporary sediment traps after each period of significant rainfall. Remove sediment and restore the trap to its original dimensions when the sediment has accumulated to 1/2 the design depth of the trap. Place the sediment that Is removed in the designated disposal area and replace the contaminated part of the gravel facing. Check the structure for damage from erosion or piping, Periodically check the depth of the spillway to ensure it Is a minimum of 1.5 ft below the low point of the embankment. Immediately filt any settlement of the embankment to slightly above design grade, Any rtprap displaced from the spillway must be replaced immediately. After all sediment producing areas have been permanent ty stabilized, remove the structure and all unstable sediment. Smooth the area to blend with the adjoining areas and stabilize properly. VEGETATIVE PLAN - 1. Permanent vegetation to be established In accordance with specifications shown on sheet three, Reclamation Plan for Furr Lake and on sheet 4, typical seeding specifications taken from 'North Carolina Erosion and Sediment Control Planning and Design Manua L' , Section 6, 11, Latest version. See Sheet 3, BLAKE EVANS MINE LOCATED IN LEES TOWNSHIP COLUMBUS COUNTY, NORTH CAROLINA �kt�ttttttlrtfft��/', C:4NOl ,-- SEAL -_ 20007 INO OWNER: JERRY SELLERS 518 GASTON SELLERS ROAD WHITEVILLE, N.C. 28427 HANOVER DESIGN SERVICES, P.A. LAND SURVEYORS, ENGINEERS & LAND PLANNERS 1123 FLORAL PARKWAY WIL WILMINGTON, N.C. 28403 PHONE: (910) 343-8002 Date: 11-28-12 Scale: 1 "--200' Drawn'. GA W Checked' Pro GAW 12659 1- , �1R'• I' _ t'!is s:'hs.�S ,•. f,.i!�� s .x F 'i•t'?.M Mar, 3' ' ,• :� y r-. r t i r i' :i _ t:',i� �.s:� t « f�.�•,1 'S: . t - t tt'' '0.,s }r •I;ti 1�1.1:�: �� sl � ��1, 1 ��,; t t :y .ri :r,t 5.'r i'•i, '1'• t 1 e'Fstf r ��•�ir• .. t , 1 t t- i s . �'. .' e' .. ... .. .. 't .. . r. i '1 1 .' .. , ... k . t . l : - ,'• rls 't tr OVERFLOW SWALE TO BLEND INTO EXISTING GROUND SO WATER FROM SWALE CAN SHEET FLOW 50 FT PROPOSED OVERFLOW SWALE OVERFLOW SPILLWAY TO BE 3 FEET BELOW TOP OF BANK OF LAKE RIP RAP SPILLWAY PROTECTION ce V _ POINT OF STORMWATER DISCHARGE. r ^ 0 SEE SHEET 3 FOR ADDITIONAL ROCK DAM DETAILS. TEMPORARY SEDIMENT TRAP I DEWATERING PORTION OF BASIN DISTURBED AREA DRAINING TO TRAP = < 5 ACRES (DEWATERING AREA TO FUNCTION AS SEDIMENT BASIN) MIN. TRAP VOL. = 1,800 CFIACRE DIST-URBAREA MIN. TRAP VOL. = 9,000 (SEDIMENT MUST BE REMOVED TWICE A YEAR) MINIMUM WEIR LENGTH = 12 FT MAXIMUM DEPTH = 5 FT MINIMUM SURFACE AREA = 4,500 SF I AREA @ ELEV. 82 (OUTLET ELEV.) = 15,200 SF AREA @ ELEV. 86 = 24,400 SF I PROVIDED STORAGE = 79,200 CIF r 00 s AREA @ ELEV. 77 (BOTTOM) = 8,600 SF TOTAL PROVIDED STORAGE = 148,500 CIF L2 S 05'34'33" W 42.92' L3 S 4227'31" W 233.03' L4 S 46'39'02" W 44.30' L5 S 60'49'40" W 42.90' L6 S 74'34'43" W 44.26' L7 S 83'00'50" W 43.67' L8 N 89'48'41 " W 95.90' 1-9 S 83'22'20" W 148.97' L10 S 87'59'08" W 57,67' L11 N 72'01'22" W 61,46' L12 N 82'59'13" W 41.47' L13 N 44'0426" W 7.00' L14 N 14'27'26" W 18.09, L15 N 29'42'02" E 111.01' L16 N 3X11'46" W 181.01, L17 N 22'49'03" E 43.43' L18 N 33*13'49" E 64.82' L19 N 86'45'19" E 14.22' L20 N 86'07' 1 1 " E 84.92' L21 N 81'33'23" E 76.14' L22 S BT48'00" E 91.54' L23 S 8422'31 " E 139.63' L24 N 76"15'41" E 72.81' L25 N 1813'05" E 165.64' L26 N 33'41'18" E 44.24' L27 N 69'02'51" E 3.20' L28 S 69'54'48" E 16.24' L29 S 41'25'23" E 46.11' L30 S 35'32'50" E 133.98' L31 S 13'27'59" E 96.28' L32 S 11-43'46" E 55.27' 'rr 28 r 5 - / � � r r L65 _ EXISTING HAUL RD. AREA 0.30 Acres ��FIa fANIsL°GGelelD -AL• . • 66 Z �' Dp 37 G 143 8 � r .•,p- .• O4 1� 27 ♦l _ SLONG EXISTING TREE LINF� CAM PG. Selo 5$ M C • 1'• Dg.320G illQ 2� ss ♦ =1 0 Q-a.7 PROPOSED PROJECT AREA �I-. c jo_ L1g/ L20 leelelleeleIoIe�^s 9.10 ACRES TOTAL : V c. L64 S 85'29'21" W 9.90' L65 S 76'42'20" W 113.62' L66 S 65'15'30" W 125.24' L67 S 38'01'09" W 86.90' L68 S 27'49'36" W 174.09' L69 N 35'32'50" IN 34.20' L70 I N 34'45'56" E 58.31' L71 N 2721'05" E 10&37' L72 N 38'01'09" E 91,88' L73 N 65'15'30" E 146.01' L74 N 76'42'20" E 103.86' L75 N 80'33'28" E 1 11.22' L76 S 11*02'00" E 28.20' yO1{ty 51NGLETAR _ `o P•6 7 QG 1A3 r J J FI ,]OHN S4NG�-NARY Q.B•7 PG' 1A3 l 404 25 r PRO AD / EXISTING TREE LINE dtext bl 4-1 L52 L5 4 0 / L21 L22 r ,. f Y 24 TOP OF BANK L23 r LZA ILASF / / C ) 9 2g17 �1 PERIMETER OF PROPOSED LAKE 7637r42" 1 6.25 ACRES �� I n BELOW PROPOSED TOP OF BANK CN T BASIN ' ,, , r., L33 S 05'34'33" W 67.20' SED{1CIIEN BASIN / BORROW AREA TO BE DEWATERED 47 DL34 S 42'27'31" W 251,54' DISTU BED AREA DRAINING TO BASIN = 9.1 ACRES V 35 S 4fi'39'02" W 52.35' 1 ''uC"i 9.1 AfCRES X 3604 C PER ACRE = 32,760 CF REQUIRED STORAGE �,S ' o,0 L36 5 60'49 40" W 55.14 I AREA @ ELEV. 77 = 171,900 SF `7 °y 38 S 83'00'50" W 50.49' AREA @ ELEV. 86 = 233,900 SIF �tK L39 N 8948'41 " W 96.06' PROVIDED STORAGE = 1,826,100 CF L40 S 83'22'20" W 148.01 1 L41 S 8T59'08 W 68.50' - J ov C; - L42 N 72'01 '22" W 65.47' 1 o c L43 N 82'59'13" W 54.33' L44 N 44 04'26" W 37.88' L45 N 14'27'26" W 51.59' L46 N 29'42 02" E 102.48' \ L47 N 30'11'46" W 177,14' L48 N 22'49'03" E 72.92' �.�� L49 N 33'13'49" E 94.59' � `' L50 N 86*45`19" E 39.16' t` ^� 404 WETLAND LINE L51 N 86'07'1 1 " E 82.65' 1 L52 N 81'33'23" E 81.02' u" L53 S 82'48'00" E 97.72' 1 L54 S 84'2731" E 130.42' L55 N 76'15'41" E 36.54' 1 L12 L7 L56 N 18'13'05" E 14-4.70' L9 L8 L57 N 33'41'18" E 66.97' c 1, r =' L58 S 69'D2�451 E 37.85' 1 L10 r r- S L59 69'548E 47-64' L60 S 41'25'23" E 61.37' 1 L61 S 35'32'50" E 146.30' L3 L62 S 13'27'59" E 106.79' 1 L43 �' � ` "'D , �` '`'; " ; ���, �_ � L40 39 L38 L63 5 11'43'46" E 63.64' L' 1 L41 Note: Metal stakes are minimum 4' long, 1.33 IbILF steel. MAXIMUM SPACING, SEE NARRATIVE COMPACTED FILL OR GRAVEL, EXTENSION OF FABRIC AND WIRE INTO THE TRENCH NOTE: SEE NARRATIVE FOR MORE DETAIL. ISOMETRIC VIEW EXTENSION OF FABRIC AND WIRE INTO THE TRENCH OF GRAVEL 8"MINIMUM WIRE V-TRENCH 14"MINIMUM SECTION 8"MINI 4"MINIMUM SECTION SF SEDIMENT FENCE _(SILT FENCE) NTS PRACTICE 6.62 REQUIRED PERMITS (not Ilmlted to) 1. NORTH CAROLINA STATE MINING PERMIT 2. NCDENR/DWQ STORMWATER EXEMPTION 4 3 2 1 REV. NO. REVISIONS DATE Copynghf l Hanover Design Services, P.A., Ag rofF reseducia'I rved Reproar use off/id emlenls effhls d1mrl oradMons or defeff-sto fhis document,invAdleofpsff,"alhoutwrittenconsentofale LmdSurveyoro now isprobinWOTlycopiesiomfheofighalolfhisdocument, marked ml the original sigall and ortgifal sea? alSurmW or Engineer, s lbe cansideredht be vaidandffve copies, MINING PLAN FOR BLAKE EVANS MINE LOCATED IN LEES TOWNSHIP COLUMBUS COUNTY, NORTH CAROLINA 0'RO �'04�o�vssio• L1,,L`� SEAL 20007 � Gt13E •. ' ti go �� , 7.0 9 -13 OWNER: JERRY SELLERS 518 GASTON SELLERS ROAD WHITEWLLE, N.C. 28427 HANOVER DESIGN SERVICES, P.A. L4110 SURVEYORS, ENGINEERS & LAND PL"NERS 1123 FLORAL PARKWAY WIL WILMINGTON, N.C. 28443 PHONE: (910) 34MG02 fm Date: 11-28-12 Scaie: 1 "=50' Drawn: GAW Checked: GAIN Project No: 12659 Sheet No: 2 4 Of: . _ .... .---.. _ ..-- ,r--T 7 r T x ,-.-. „r-.-Y- 7 • '•'Il � �,` r _ =,? :" -�- ;'; •�,I.,.,,;�1 s:�Yi�t,;,1�i ..,.. - f. .r ! .,:,. 11.1.{L�, a 'i .ia�r.l.,,: .i:;}; '• , / `. J i tr I f I Y 11 1-* I M.t�r'�'`'. ,!!� -1�1�j �.�,�,i t�7�}i•t�y.ar��t :I,r: 1' T . .9` t i � .,. .s ., .. t �r -. ... . ,.. .. t.. iv �1.'r �'.t .t... ...r •.I.• ...sl,}t�:.. LAKE WIDTH VARIES PROPOSED WATER SURFACE � J 130 1 SVOPe �0 �P 50 FT 10 FT SLOPE _ I _ 5 FT I TO EXISTING TREELINE AT 5A 5.1 SLOPE SLOPEAT 5:1 5:1 SLOPE < MAINTAIN SLOPE TO BASIN OR INSTALL SILT FENCEALONG PROJECT LIMITS SEE SHEET 2 OF 4 FOR SILT FENCE DETAIL SECTION B-B EMBANKMENT CROSS SECTION (NOT TO SCALE) NATURAL GROUND _J 95 90 85 80 i67 70 65 L 0+00 RE -VEGETATION RATES OF APPLICATION APPLICATION ACRES TOTALAMOUNTS 1. LIME - 1,540 LBS/ACRE 3.4 5,236 LBS 2. FERTILIZER -660 LBS/ACRE(888) 3.4 2,244 LBS 3. SEED - 35 LBS/ACRE (WINTER RYE) 25 LBS/ACRE (ARGENTINE BAHIA) 3.4 3.4 119 LBS (2x(YR) 85 LBS (ix/YR) 4. MULCH - 44 BAILS/ACRE (STRAW) 3.4 150 BAILS GROUND WATER VTJV ITVV Ii,V LTUV LY-jV S+UU S+DU SECTIONA A SITE CROSS SECTION HORIZ SCALE 1' = 50' VERT SCALE 1 " = 5' Practice Standards and Specificadons Rock Abutment 5' ►I ,(_ h Weir Elevation Riprap 1' min. NC DOT#5 r =- ur#57 washed �r 1 stone s, +{• e - it �nb Fes;% 6 'sC: 't4c Min. 1.5'thick Rock Apron u3.! 9. .06 +.: ,.. �Cut-off Trench Filter Fabric C; Cross -Section View Figure 6.63a Rock Dam doss section Construction 1. Clear the areas under the embankment and strip of mots and other Specifications objectionable material. Delay cleaning the reservoir area m ul the data is in place. 2. Cover thefoundation arm including the abutments with extra -strength filter fabric before backli ing with rock. If a cutoff bench is required, excavate at center line of dam, extending all the way up the earth abutments. Apply Eller fabric under the mckfill embanlanent from the upstream edge of the dam to the downstream edge of the apron. Overlap fill material a minimum of I root at all joints, with the upstream strip laid over the downstream strip. 3. Construct the embankment with well -graded rock and gravel to ute size and dimensions shown on the drawings. It is important that ruck abuments beat lest 2 feet higher than the spillway crest and atleast 1 foot higher than the data, all the way to the downstream toe, to prevent scout aid erosion at the abutments. Rev. 6f06 6.633 0 50 100 150 4 3 2 1 REV. NO. REVISIONS DATE Cogl+ighfd, Hanover Design Services. PA,All ng6kreewved RepgodueiwwuseofLM1ecwhnfsolMrsdo f, wadaians wdeleawato Tls decumenf m xfiol<ar Part, ,xMouf,mtten eonserrt olMe Land S,rveywrw Engneen is paM1bled O,y Dopes ism Me arlfiNOlhis document mwxed »an me o"gmat,mn,mre anewro.,a,;ealolne wrverw wEnbwew en,rne cw resedrox v.wwaeve copes. Gravel facing LOCATION MAP LU (NOTTOSCALE) 2 w' � yUyTRO n� ��Sp- GD FURNIE HINSON R "`t�• 4 9 i in I tS�y (I ze' h� o G) ROy 3r in 40 m D Gy A = 5 mi X 00 95 90 Fb� 80 75 70 I I I 1 1 65 4+00 4+50 5+00 5+50 6+00 Figure 6.63b Rock Dam plan vlew and spillway details Spillway Details ( Top of rock abutment 2 � 2' min Slope founds lon�sr. Spillway 2 3°..,'.._ . Filter fabric Ehl — — — — — — Natural Ground I 1 � 1 Flow __, apron Rock Abutment 71 ---- 4. Sediment -laden water from the construction site should be diverted into the basin reservoir at the furthest arm from the data. 5. Construct the rock data before the basin arm is cleared to minimize, sediment yield from construction of the basin, bnmediatcly stabilize all areas disturbed during the construction of the dam except the sediment pool (References: Surf= Stabilization). 6. Safety —Sediment basins should be considered dangerous because they attract children. Steep side slopes should be avoided Forces with warning signs may be needed if trespassing is likely. All state and local requirements must be followed. 6.63A MINING PLAN FOR BLAKE EVANS MINE LOCATED IN LEES TOWNSHIP COLUMBUS COUNTY, NORTH CAROLINA \ta1111111111f,�r' SEAL 20007 Oy\\ 7_0q-13 OWNER: JERRY SELLERS 518 GASTON SELLERS ROAD WHITEVILLE, N.C. 28427 HANOVER DESIGN SERVICES, P.A. LAND SURVEYORS, ENGINEERS & LAND PLANNERS 1123 FLORAL PARKWAY W ILMINGTON, N.C. 28403 PHONE: (910) 343-8002 Rer. 6106 , Date: 11-28-12 Scale: 1 "=50' Drawn: GAIN Checked: GAIN Project No: 12659 Sheet No: 3 4 Of II„! .-r "' — r . ; 1 , r^--- 7 z T T r'^" , ,'TT^• i I 1 �� 11 1 1 1i f; e 1 s• tl l , 1 f d 4 ! 1 u t 1 °, l : d tl ,i i s( �,� YI �� , ,) t`f r f e ._..,s..__ i.�'`.!'ii�..- .�3i _�_.. - - ,.,.4. - ...:i..,..._ ..,_s:;._ _____�- -. -__ `_' i�Fs..... Construction Rond Stabilization Specification # 6.80 - Construction Specifications 1. Clear roadbed and parking areas of all vegetation, roots and other objectionable material, 2. Ensure that road construction follows the natural contours of the terrain if it is possible. 3. Locate parking areas on naturally flat areas if they are available, Keep grades sufficient for drainage but generally not more than 2 to 3%. 4. Provide surface drainage, and divert excess runoff to stable areas by using venter bars or turnouts (References= Runoff Control Measures). 5. Keep cuts and fills at 2,1 or, flatter for safety and stability and to facilitate establishment of vegetation and maintenance, 6. Spread a 6-Inch course of 'ABC' crushed stone evenly over the full width of the road and smooth to avoid depressions, 7. Where seepage areas or seasonally wet areas must be crossed, Install subsurface drains or geotextile fabric cloth before placing the crushed stone (Practice 6. 81, Subsurface Drain) . S. Vegetate all roadside ditches, cuts, fills and other disturbed areas or otherwise appropriately stnb[t[ze as soon as grading Is complete (References, Surface Stabilization), 9, Provide appropriate sediment control measures to prevent off -site sedimentation, Maintenance Inspect construction roads and parking areas perlodically for condltlon of surface. Topdress with new gravel as needed. Check road ditches and other seeded areas for erosion and sedimentation after runoff -producing rains. Malntaln all vegetation In a healthy, vigorous condition. Sediment -producing areas should be treated immediately. 11;; 0 CTemr�orary Gravel Construction Entrance/Exit Specification # 6.06 - Construction Specifications 1, Clear the entrance and exit area of all vegetation, roots and other objectionable material and properly grade it. 2. Place the gravel to the specific grade and dimensions shown on the plans and smooth it. 3. Provide drainage to carry water to a sediment trap or other suitable outlet. 4. Use geotextile Fabrics because they improve stability of the foundation in locations subject to seepage or high water table, Maintenance Maintain the gravel pad In a condition to prevent mud or sediment from leaving the construction site, This may require per;odic topdressing with 2-Inch stone. After each rainfall, Inspect any structure used to trap sediment and clean It out as necessary. Immediately remove all objectionable materials spilled, washed, or tracked onto public roadways. Tem o� rary Seedlno Specification # 6,10 - Spec lflcat lons Complete grading before preparing seedbeds and instate all necessary erosion control practices, such as dikes, waterways and basins. Minimize steep slopes because they make seedbed preparation difficult and increase the erosion hazard. If soils become compacted during grading, loosen them to a depth of 6-8 inches using a ripper, harrow, or chisel plow. Seedbed Preparation Goad seedbed preparation Is essential to successful plant establishment. A good seedbed is well -pulverized, loose and uniform. Where hydroseeding methods are used, the surface may be left with a more irregular surface of large clods and stones. Liming - Apply lime according to soli test recommendations, If the pH (acldlty) of the soil Is not known, an application of ground agricultural limestone at the rate of 1 to 1 1/2 tons/acre on coarse -textured soils and 2-3 tons/acres on fine -textured soils Is usually sufficient, Apply limestone uniformly and incorporate into the top 4-6 inches of SOIL. Solis with a pH of 6 or higher need not be limed. Fertilizer- Base application rates on soli tests. When these are not possible, apply n 10-10-10 grade fertilizer at 700-1,000 tb,/acre. Both fertilizer and time should be Incorporated Into the top 4-6 Inches of soil. If a hydraulic seeder, Is used, do not mix seed and fertilizer more than 30 minutes before application. Surface roughening- If recent tillage operntlons have resulted in n loose surface, additional roughening may not be required except to break up gorge clods, if rainfall causes the surface to become seated or crusted, loosen it Just prior to seeding by disking, raking, harrowing, or other suitable methods, Groove or furrow slopes steeper than 311 on the contour before seeding (Practice 6103, Surface Roughening). Plant Selection Select an appropriate species or species mixture from Treble 6.10a, for seeding In late winter and early spring, Table 6.10b for summer, and Table 6,10c for fall, Seeding Evenly apply seed using a cyclone seeder (broadcast), drill, cultipacker seeder, or hydroseeder. Use seeding rates given in Table 6.10a-6.10c, Broadcast seeding and hyroseeding are appropriate for steep slopes where equipment cannot be driven, Hand broadcasting Is not recommended because of the difficulty in achieving n uniform distribution. Small grains should be planted no more than 1 Inch deep, and grasses and legumes no more than 1/2 Inch, Broadcast seed must be covered by raking or chain dragging, and then lightly firmed with a roller or cultipacker. Hydroseeded mixtures should include a wood fiber (cellulose) mulch. Mulching The use of appropriate mulch will help ensure establishment under normal conditions and is essential to seeding success under harsh site condition (Practice 6.14, Mulching), Harsh site conditions include, -seeding In fall for winter cover Cwood fiber mulches are not considered adequate for this use), -slopes steeper than 311, -excessively hot or dry weather, -adverse soils<shallow, rocky, or high In clay or sand), and -areas receiving concentrated flow. If the area to be mulched Is subject to concentraterf(ow, as in Channels, anchor mulch with netting (Practice 6.14, Mulching). Table 6,10a - Temporary Seeding Recommendation for Late Winter and Early Spring Seeding mixture Species- Rye(grain), Annual lespedeza (Kobe in Piedmont and Coastal Plain Rate (lb/acre)- 120 ❑nit annual lespedeza when duration of temporary cover is not to extend beyond June Seeding dates -Coastal Plain - Dec, 1 - Apr. 15. Soil amendments- Follow recommendations of soli tests or apply 2,000 lb/acre ground agricultural limestone and 750 lb/acre 10-10-10 fertilizer. Mulch -Apply 4,000Lb/acre straw. Anchor straw by tacking with asphalt, netting or a mulch anchoring tool. A desk with blades set nearly straight can be used as a mulch anchoring tool. Malntennnce - Refertllize If growth Is not fully adequate, Reseed, refertillze and mulch Immediately following erosion or other damage. Table 6.1010 - Temporary Seeding Recommendations for Summer Seeding mixture Species -German millet Rote(lb/acre)- 40 Seeding dates -Coastal Plain- Apr. 15-Aug, 15 Sall amendments -Follow recommendations of soli tests or apply 2,000 lb/acre ground agricultural limestone and 750 lb/acre 10-10-10 fertlllzer. Mulch -Apply 4,000 ib/acre straw. Anchor straw by tacking with asphalt, netting or a mulch anchoring tool, A disk with blades set nearly straight can be used as a mulch anchoring toot, Maintenance-Refertllize if growth Is not fully adequate. Reseed, refertillze and mulch immediately following erosion or other damage. Table 6.10c - Temporary Seeding Recommendation for Fall Seeding mixture Spec ies-Rye(graIn) Rate(Lb/acre) - 120 Seeding dotes - Coastal Plain and Piedmont -Aug 15 - Dec. 30 Sall amendments - Follow soli tests or apply 2,000 lb./acre ground agriculture) Limestone and 1,000 lb/acre 10-10-10 fertilizer. Mulch- Apply 4,000 lb/acre straw. Anchor straw by tacking with asphalt, e netting, or a mulch anchoring tool. A desk with blades set narly straight can be used as n mulch anchoring tool. Maintenance- Repair and refertillze damaged areas Immediately. Topdress with 50 lb/acre pf n[trpgen In March, If it Is necessary to extend temporary cover beyond June 15, overseed with 50 lb/acre Kobe (Piedmont and Coastal Pialn) Perslanent Seedino Speclflcatlons # 6.11 - Specifications Seedbed Requirements Establishment of vegetntlon should not be attempted on sites that are unsuitable due to Inappropriate Solt texture (Table 6.11a), poor drainage, concentrated overland flow, or steepness of slope until measures have been taken to correct these problems. To nalntnln n good stand of vegetntlon, the soli must meet certain minimum requirements as a growth medlum. The existing soli should have these criteria, Enough fine-grained (silt and clay) material to maintain adequate moisture and nutrient supply <available water capacity of at least .05 inches venter to l inch of soil). - Sufficient pore space to permit root penetration. - Sufficient depth of soli to provide an adequate root zone. The depth to rock or Impermeable layers such as hardpans should be 12 Inches or more, except on slopes steeper than 2,1 where the addition of soli is not feasible. - A favornb le pH range for p lent growth, usually 6. 0-6. 5. - Freedom from large roots, branches, stones, large clods of earth, or trash of any kind. Clods and stones may be left on slopes steeper than 311 If they are to be hydroseeded If any of the above criteria are not met-i.P., if the existing Solt is too coarse, dense, shallow or acidic to foster vegetation -special amendments are required. The soli conditioners described below may be beneficial or, preferably, topsoll may be applied in accordance with Practice 6,04, Topsolling, Soil Condltloners In order to improve the structure or drainage characteristics of a Solt, the Fpllowing material may be added. These amendments should only be necessary where soils have linitntions that make them poor for plant growth or for fine turf establishment (see Chapter 3, Vegetative Considerations). Peat -Appropriate types are sphagnum moss peat, hypnum moss peat, reedsedge peat, or peat humus, all from fresh -water sources. Peat should be shredded and conditioned in storage piles for at least 6 months after excavation. Sand -clean and free of toxic materials Vermiculite -horticultural grade and free of toxic substances• Rotted manure -stable or cattle manure not containing undue amounts of straw or other bedding materials. Thoroughly rotted sawdust- free of stones and debris. Add 6 lb, Of nitrogen to each cubic yard. Sludge -Treated sewage and industrial sludges are available In various formsi these should be used only [n accordance with local, State and Federal regulations. Species Selection Use the key to Permanent Seeding Mixtures (Table 6,Ilb) to select the most appropriate seeding mixture based on the general site and maintenance factors. A listing of species, including scientific names and characteristics, is given in Appendix 8, 02. Seedbed Preparation Install necessary nechanlcal erosion and sedimentation control practices before seeding, and complete grading according to the approved plan. Lime and fertlllzer needs should be determined by soil tests Soll testing Is performed free of charge by the North Carolina Department of Agriculture soil testing laboratory. Directions, sample cartons, and information sheets are available through county ngrlcultural extension offices or from NCDA. Because the NCDA soil testing lab requires 1-6 weeks for sample twin -around, sampling must be planned well In advance of final grading. Testing is also done by commercial laboratories. When soli test are not available, follow rates suggested on the Individual speciflcatron sheet for the seeding mix chosen (Tables 6.11c through 6.110. Applications rates usually fall into the following ranges, - Ground agricultural limestone Light -textured, sandy solid 1-1 1/2 tons/acre Heavy textured, clayey soils 2-3 tons/acre - Fertilizert Grasses 800-1200 lb/acre of 10-10-10 Cor the equivalent) Grass -legume mixtures, 800-1200 lb/acre of 5-10-10 (or the equivalent) Apply lime and fertilizer evenly and Incorporate into the top 4-6 inches of salt by disking or other suitable means. Operate machinery on the contour. When using a hydroseeder, apply lime and fertilizer to a rough, loose surface. Roughen surfaces nccording to Practice 6.03, Surface Roughening, Complete seedbed preparation by breaking up large clods and raking Into a smooth, uniform surface (slope less than 311) Fit in or level depressions than can collect water. Broadcast seed into a freshly loosened seedbed that has not been sealed by rainfall. Table 6. Ills - Seeding No. 4CP for, Well -Drained Sandy loans to Dry Sands, Coastal Plalnj Low to Medium -Care Lawns Seeding mixture Species - Centipedegrass - Rate - 10-20 lb/acre (seed) or 33 bu/acre (sprigs) Seeding dates - Mar. - June, (Sprigging can be done through July where water Is available for irrigation.) Sall amendments - Apply line and fertlllzer according to soli test, or apply 300 lb/acre 10-10-10. Sprigging - Plant sprigs In furrows with a trnctpr-drown transplanter, or broadcast by hand. Furrows should be 4-6 inches deep and 2ft apart. Place sprigs about 2 ft. apart In the row with one end nt or above ground level (Figure 6.11d), Broadcast at rates shown above, and press sprigs into the tap 1 1/2 Inches of soli with a disk set straight so that sprigs are not brought back toward the surface, Mulch - Do not mulch Malntennnce - Fertilize very sparingly- 20 lb/acre nitrogen In spring with no phosphorus. Centipedegrass cannot tolerate high pH or excess fertilizer. Table 6.Ilt - Seeding No. 5CP for, Well -Drained Sandy Loans to Dry Sandsl Low Maintenance Seeding mixture Species Rnte (Lb/acre) Pensacola Bahiagrass 50 Sericea lespedeza 30 Common Bermudagrass 10 German millet 10 Seeding notes 1. Where a neat appearance is desired, omit serlcea 2, Use common Bermudngrass only on isolated sites where It cannot become a pest. Bermudngrass may be replaced with 5 lb/acre centlpedgrass. Seeding dates - Apr. 1 - July 15 Sall amendments - Apply lime and fertilizer according to soil tests, or apply 3,000 lb/acre ground ngrlcultural limestone and 500 lb/acre 1D-1D-1Q fertlllzer. Mulch Apply 4,000 Lb/acre grain straw or equivalent cover of another suitable mulch. Anchor by tacking with asphalt, roving and netting or by crimping with a mulch anchoring tool. A disk with blades set nearly straight can be used as a mulch anchoring tool, Maintenance - Refertllize the following Apr. with 50 lb/acre nitrogen. Repeat as growth requires. May be moved only once a year. Where a neat appearance Is desired, omit serlcea and now as often as needed. Table 6.11v - Seeding No. 7CP for, Grass -lined Channels) Coastal Plain Seeding Mixture Species Common Bermudngrass - Rate - 40-90 <1/2 lb/E,000 ft ) Seeding dates - Coastal Plains Apr - July Soil amendments - Apply lime and fertlllzer nccording to soil tests, or apply 3,000 lb/acre ground agrlculturnf limestone and 500 lb/acre 1fl-10-l0 fertilizer. Mulch - Use jute, excelsior matting, or other effective channel liming material to cover the bottom of channels and ditches. The Lining should extend above the highest calculated depth of flow. On channel side slopes above this height, and In drainages not requiring temporary linings, apply 4,000 lb/acre grain straw and anchor straw by stapling netting over the top. Mulch and anchoring materials must be allowed to wash down slopes where they can clog drainage devices. Maintenance -A mum of 3 weeks Is required for establishment, Inspect and repair mulch frequently. Refertllize the following Apr, with 50 lb/acre nitrogen. Refer to Appendix 8.02 for botanical names Grass -Lined Channels Specification # 6.30 - Construction Specifications 1, Remove all trees, brush, stumps, and other objectionable material from the foundntlon nren and dispose of properly, 2. Excavate the channel and Shope it to neat lines and dimensions shown on the plans plus a 0.2 ft overcut around the channel perimeter to allow for bulking during seedbed preparations and sod buildup, 3. Remove and properly dispose of all excess Solt so that surface water may enter the channel freely. 4. The procedure used to establish grass in the channel will depend upon the severity of the condltlons and selection of species. Protect the channel with mulch or a temporary liner sufficient to withstand an#Iclpated veEocltles during the establishment period (Appendix 8,05). Maintenance Dur[ng the establishment period, check grass -lined channels after every rainfall. After grass Is established, perlodically check the channels check it niter every heavy rainfall event. Immediately make repairs. It is particularly important to check the channel outlet and all road crossings for bank stablllty and evidence of piping or scour holes, Remove all significant sediment nccumulntians to maintain the designed carrying capacity. Keep the grass In a health, vigorous condition at nil times, since It is the primary erosion protection for the channel (Practice 6.11, Permanent Seeding). 1� ) O P ❑ut l et Stab I l; z�,t,i Q,tZ,,Str�C,�ure Specification # 6.41 - Construction Specifications 1. Ensure that the subgrade for the fitter and riprap follows the required lines and grades shown In the plan. Compact any fill required in the subgrade to the density of the surrounding undisturbed material. Low areas in the subgrade an undisturbed soil may also be filled by increasing the riprap thickness. 2. The rtprap and gravel filter must conform to the specified grading limits shown on the plans. 3, Filter cloth, when used, must meet design requirements and be properly protected from punching or tearing during Installation. Repnlr any damage by removing the rlprnp and placing another piece of filter cloth over the damaged area. All connecting ,Joints should overlap a minimum of l ft. If the damage is extensive, replace the entire filter cloth. 4. Rlprap may be placed by equipment, but take care to avoid damaging the f I lter. 5. The minimum thickness of the riprap should be 1.5 times the maximum stone diameter. 6. Rlprap may be field stone or rough quarry stone, It should be hard, angular, highly weather -resistant and well graded, 6. Construct the apron on zero grade with no overfall at the end. Make the top of the riprap at the downstream end level with the receiving area or slightly below It. S. Ensure that the apron is properly aligned with the receiving stream and preferably straight throughout Its length. If a curve Is needed to fit site conditions, place It in the upper section of the apron. 9. Immediately after construction, stabilize all disturbed areas with vegetation ( Pratt I ce 6, 10, Temporary Seed I ng, and 6. 1 1, Permanent Seed i ng) , Maintenance Inspect riprap outlet structures after heavy rains to see If any erosion around or below the riprap has taken place or if stones have been dislodged. Immediately make all needed repairs to prevent further damage. Land GradIno Specification # 6.02 - Construction Specifications 1. Construct and maintain ate erosion and sedimentation control practices and measures In accordance with the approved sedimentation control plan and construction schedule. 2. Remove good topsoil from areas to be graded and fllled, and preserve It for use In finishing the grading of all critical areas. 3, Scarify areas to be topsolLed to a minimum depth of 2 inches before placing topso I l (Practice 6. 04, Topso l l [ ng) , 4.Ctear and grub areas to be fllLed to remove trees, vegetation, roots, or other objectionable material that would affect the planned stablllty of the fill, 5. Ensure that fill materIat is free of brush, rubbish, rocks, logs, stumps, building debris, and other materials inappropriate for constructing stable f i l is. 6.Place all fill In layers not to exceed 9 Inches In thickness, and compact the layers ns required to reduce erosion, slippage, settlement, or other related problems. 7. Do not Incorporate frozen material or soft, mucky, or highly compressible materials Into fill slopes. 8, Do not place fill on a frozen foundation, due to possible subsidence and slippage. 9,Keep diversions and other water conveyance measures free of sediment during all phases of development, 10.Handle seeps or springs encountered during construction In accordance with approved methods (Practice 6,81, Subsurface Drain). ll.Permanently stabilize all graded areas Immediately after final grading Is completed on each area In the grading plan. Apply temporary stabilization measures on all graded areas when work Is to be Interrupted or delayed for 3D working days or longer. 12.Ensure that topsoll stockpiles, borrow areas, end spoll areas are adequately protected from erosion with temporary and final stablllzation measures, Including sediment fencing and temporary seeding as necessary. Maintenance Periodically check all graded areas and the supporting erosion and sedimentntlon control practices, especially after heavy rainfalls, Promptly remove all sediment from dlverslons and other venter -disposal practices, If washouts or breaks occur, repair them immediately. Prompt maintenance of small eroded areas before they become slgnlflcant gullies Is an essential part of nn effective erosion and sedlmentntlon control plan, STABILIZATI❑N TIME FRAMES: SITE AREA DESCRIPTION Perimeter dikes, swales, ditches and slopes High Quality Water (HOW) Zones Slopes steeper than 3:1 S lopes 3: 1 or f latter All other areas with slopes flatter than 4:1 NOTE WELL: STABILIZATION 7 DAYS 7 DAYS 7 DAYS 14 DAYS 14 DAYS ANY AREAS ON --SITE WITHOUT ACTIVITY SHALL BE STABILIZED WITHIN 15 WORKING DAYS AND AS ABOVE, ALL SLOPES MUST BE STABILIZED WITHIN 21 CALENDAR DAYS [IF CEASE �F ANY ACTIVITY, S�) F Sediment Fence fSllt Fence) Specification 6.62 - Construction Specifications MATERIALS 1. Use a synthetic filter fabric or a pervious sheet of polypropylene, nylon, polyester, or polyethylene yarn, which Is certified by the manufacturer or supplier as conforming to the requirements shown in Table 6.62b, 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 0 to 120 F. 2. Ensure that posts for sediment fences are either 4-Inch diameter pine, 2-Inch diameter oak, or 1.33 lb/linear ft steel with a minimum length of 4 Ft, Make sure that steel posts have projections to facilitate fastening the Fabric. 3. For reinforcement of standard strength filter fabric, use wire fence with a minimum 14 gauge and a maximum mesh spacing of 6 Inches, Table 6, 62b Speclflcatlons For Sediment Fence Fabric Physical Property Requirements Filtering Efficiency - 857(mm) Tensile Strength at Standard Strength- 30 lb/Iln In (min) Extra Strength- 50 lb/tin in (mm) Slurry Flow Rate - 0.3 gal/sq ft/min (min) 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 18 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 continuous roll cut to the length of the barrier to avoid joints, When ,Joints are necessary, securely fasten the filter cloth only at n support post with overlap to the next post. 4. Support standard strength filter fabric by wire mesh fastened securely to the up slope side of the posts using heavy duty wire staples at least 1 inch long, or tie wires. Extend the wire mesh support to the bottom of the trench. 5. When a wire mesh support fence is used, space posts a maximum of 8 ft apart. Support posts should be driven securely Into the ground to a minimum of 1$ inches. 6. Extra strength filter fabric with 6ft post spacing does not require wire mesh support fence. Staple or wire the filter fabric directly to posts. 7. Excavate a trench approximately 4 inches wide and 8 Inches deep along the proposed line of posts and upslvpe from the barrier (figure 6.62a), 8,Backfill the trench with compacted Solt or gravel placed over the filter f abr I c, 9. Do not attach fitter fabric to existing trees, Maintenance Inspect sediment fences at least once n week and after each rainfall, Make any required repairs Immediately. Should the fabric of n sediment fence collapse, tear, decompose or, become Ineffective, replace It promptly, Replace burlap every 60 days. Remove sediment deposits ns necessary to provide adequate storage volume for the next rain and to reduce pressure on the fence. Take care to avoid undermining the fence during clennout, Remove all fencing materials and unstabEe sediment deposits and bring the area to grade and stnbillze It after the contributing drainage area has been properly stabilized. Sedlrtent Basin w/ Rock Dart (see addlt,;_anal notes and sears) Speclflcatlons # 6.63 - Construction Specifications 1.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 facllltate sediment clennout, Stockpile all topsoll or Boll containing organic natter for use on the outer shell of the embankment to facllltate vegetative establishment. Place temporary sediment control measures below the basin as needed. 2,Cut-of f trench -Excavate a cut-off trench along the centerline of the earth flit embankment. Cut the trench to stable soil material, but In no case make It less than 2 ft. deep. The cut-off trench must extend Into both abutments to at Eenst the elevation of the riser crest. Make the minimum bo#tom width wide enough to permit operntlon of excavation and compaction equipment but in no case Less than 2 Ft. Make side slopes of the trench no steeper than IL 1. Compaction requirements are the same as those for the embankment, Keep the trench dry during backfllling and compaction operations. 3. Embankment -Take flit material from the approved areas shown on the plans, 1t should be dean mineral soil, free of roots, woody vegetation, rocks and other, objectionable material. Scarify areas on which fill is be placed before placing fill, The fill material must contain sufficient moisture so it can be formed by hand Into a ball without crumbling. If water can be squeezed out of the ball, it Is too wet for proper compaction, Place fell material In 6 to 8-Inch continuous layers over the entire length of the fill area and then compact Compaction may be obtained by routing the construction hauling equipment over the fill so that the entire surface of each layer is traversed by at least one wheel or tread track of the heavy equipment, or a compactor may be used. Construct the embankment to an elevation 10% higher than the design height to allow for settling. 4,Condult spillways -Securely attach the riser to the barrel or barrel stub to make n 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 not use pervious material such as sand, gravel, or crushed stone as backfill around the pipe or ant; -seep collars. Place the fill material around the pipe splllwny in 4-inch 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. Place n minimum depth of 2ft. of hand -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. 5-Emergency spillway -Install the emergency spillway In undisturbed soil. The achievement of planned elevations, grade, design width, and entrance and exit channel slopes are criticat to the successful operntlon of emergency spillway, 6.Inlets-Discharge water into the basin In a manner to prevent erosion. Use dlverslons with outlet protection to divert sedlnent-laden water to the upper end of the pool area to Improve basin trap efficiency (References, Runoff Control Measures and Outlet Protection). 7. Erosion control -Construct the structure so that the disturbed area is minimized. Divert surface water away from bare areas Complete the embankment before the nren Is cleared, Stabilize the emergency spillway embankment and all other disturbed areas above the crest of the principal splllwny Immediately after construction (References, Surface Stabilization). 8,Safety-Sediment basins may attract chEldren and can be dangerous. Avoid steep side slopes, and fence and mark basins with warning signs if trespassing is Likely. Follow all state and local requirements. Maintenance Check sedlnent basins after periods of slgnlflcant runoff. Remove sediment and restore the basin to Its original dimensions when sediment accumulates tp one- half the design depth, Check the embankment, spillways, and outlet for erosion damage, and inspect the embankment for piping and settlement. Make all necessary repairs Immediately. Remove akl trash and other debris from the riser and pool area. NOTE WELL: EROSION CONTROL DETAILS AND SPECIFICA77ONSAREAS PER THE "EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL" OF THE STATE OF NORTH CAROLINA, DEPARTMENT OF ENIRRONMENTAND NATURAL RESOURCES, LATEST EDITION. PRACTICE NUMBERS REFER TO THIS MANUAL. CONTRACTOR IS RESPONSIBLE FOR MAINTAINING COPY OF THIS MANUAL ON-SITEAND ENSURING THATALL SUPER14SORSARE FAMILIAR WITH THE STANDARDS AND SPECIFICATIONS SHOWN IN THE MANUALAND ON THE PLAN. NOTE: DETAILS SHOWN ARE TYPICAL OF INSTALLATIONS REQUIRED BY COLUMBUS COUNTY. THIS SHEET DOES NOT PURPORTTO SHOWALL REQUIRED CONSTRUCTION DETAILS, BUT RATHER SERVES ASAGUIDE. THE CONTRACTOR IS RESPONSIBLE FOR ADHERING TO ALL COUTYAND STATE CODES AND CONSTRUCTION STANDARDS. REV. NO. REVISIONS Capyrighta,Hs"Ovef Design Services,P.A.,Alfn'ghtsreserved. ReproductionauseofMecontendsofMisdoeu l,waddWonsordeh!gmsto Mis document, in whole or part, wfdrout w yfen consent oflhe Land 5urveyarar Engineer, is prohb&cf.. QNy copies tom Me atghaf ofMfs doeumad, marked with Me anginal signature and moharseal ofMe 5meyw. w Enghw.. shaif be considered M be vafd andh„e copies. Temporary Sedilne,nt Trao - contl�ued Protection from piping - Place filter cloth on the foundation below the riprap to prevent piping. An alternative would be to excavate a keyway trench across the riprap foundation and up the sides to the height of the dam. Weir length and depth - Keep the spillway weer at least 4 ft long and sized to pass the peak discharge of the l0-yr storm. A maximum flow depth of 1 ft, a minimum freeboard of 0.5 ft, and maximum side slopes of 211 are recommended, Weir length may be selected From Table 6.60a shown for most site locations In North Carolina. Tab le 6, 6Oo, Design of Spillways Drainage Area Welr LengthCl) (acres) (ft) 1 4. 0 2 6. 0 3 8.0 4 1010 5 12.0 C1) Dimensions shown are minimum Construction Speclflcatlons 1. Clear, grub, and strip the area under the embankment of all vegetation and root mat, Remove all surface soil containing high amounts of organic matter and stockpile or dispose of it properly, Haul all objectionable material to the designated disposal area. 2. Ensure that fill material for the embankment Is free of roots, woody vegetation, organic matter, and other objectionable material, Place the fill In lefts not to exceed 9 inches and machine compact it. Over flit the embankment 6 Inches to allow for settlement. 3. Construct the outlet section in the embankment, Protect the connection between the riprap and the soli from piping by using filter fabric or a keyway cutoff trench between the rlprnp structure and the soil, (Place the fitter fabric between the riprap and soil. Extend the fabric across the spillway foundntlon and sides to the top of the dame or (Excavate a keyway trench along the centerline of the spillway foundation extending up the sides to the height of the dam. The trench should be at least 2 ft deep and 2 ft wide with Ili side Slopes. 4. Clear the pond area below the elevation of the crest of the spillway to facllltate sediment cteanout 5. All cut and fill slopes should be 2i1 or flatter. 6. Ensure that the stone (drainage) section of the embankment has a minimum bottom width of 3 ft and maximum side slopes of Ill that extend to the bottom of the spillway section, 7. Construct the minimum finished stone spillway bottom width, as shown on the plans, with 211 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 of 21 Inches. The weir must be level and constructed to grade to assure design capacity. 8. Materlal used In the stone section should be a well -graded mixture of stone with a d50 size of 9 Inches (class B erosion control stone Is recommended) and n maximum stone size of 14 inches. The stone may be machine placed and the smaller stones worked into the voids of the larger stones. The stone should be hard, angular, and highly weather -resistant, 9. Ensure that the stone spillway outlet section extends downstream past the toe of the embankment until stable condltlons are reached and outlet velocity is acceptable for the receiving stream. Keep the edges of the stone outlet section flush with the surrounding ground and shape the center to confine the outflow stream (References, Outlet Protection). 10, Direct emergency bypass to natural, stable areas. Locate bypass outlets so that flow well not damage the embankment, 11. Stabilize the embankment and all disturbed areas above the sediment pool and downstream from the trap immediately after construction (Referencesi Surface Stabilization), 12. Show the distance from the top of the spillway to the sediment clennout Level (one-half the design depth) on the plans and mark it in the field. Malntennnce Inspect temporary sediment traps after each period of significant rainfall. Remove sediment and restore the trap to its original dimensions when the sediment has accumulated to one-half the design depth of the trap. Place the sediment that Is removed In the designated disposal nren and replace the contaminated part of the gravel facing. Check the structure for damage from erosion or piping. Periodically check the depth of the spillway to ensure It Is a minimum of 1.5 ft below the low point of the embankment. Immediately flit any settlement of the embankment to slightly above design grade. Any riprap displaced from the spillway must be replaced immediately. After all sediment -producing areas have been permanently stabilized, remove the structure and all unstable sediment. Smooth the area to blend with the adjoining areas and stabilize properly (Referencesr Surface Stabilization), GENERAL EROSION CONTROL SPECIFICATIONS aridADDITIONAL DETAILS for BLAKE EVANS MINE LOCATED IN LEES TOWNSHIP COLUMBUS COUNTY, NORTH CAROLINA `111111II0111"r `ww\"'mayo 1�" ...1 �. �� g4o,ssla4 r�,� - SEAL 20007 d • +. 4 �' '; `r�GINJ' ' y 1. ti DATE 'AD.••• xO ,� Q - I 11111 I 00 7- 0 9 ,13 OWNER: JERRY SELLERS 518 GASTON SELLERS ROAD WHITEVILLE, N.C. 28427 HANOVER DESIGN SERVICES, RA LAND SURVEYORS, ENGINEERS & LAND PLANNERS 319 WALNUT STREET WI WILMINGTOINGTON, N.C. 28401 PHONE: (S10) 343-WO2 r, Date: 11-28-12 Scale: 111=50, Drawn: GAW Checked: GAW Project No: 12659 Sheet No: 4 Cf: 4 i't.,h. T. I .! 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