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Home My WebLink About20151027 Ver 1_401 Application_20191019C C a'"6* CIVIL DESIGN CONCEPTS, PA Transmittal Date: September 16, 2015 Project Name: Lake Tomahawk Dredging CDC Project: 21518 To: Zan Price NCDENR — Division of Water Resources Water Quality Regional Operations Section Assistant Regional Supervisor — Asheville Regional Office 2090 U.S. Hwy 70 Swannanoa, NC 28778 Via Mail _X_ Overnight Copies Date 1 9 -16 -2015 -------- - - - - -- ----------------- 1 9 -16 -2015 -------- - - - - -- ----------------- 1 9 -16 -2015 -------- - - - - -- ----------------- 1 9 -16 -2015 -------- - - - - -- ----------------- 1 9 -16 -2015 ------------------------------- 1 9 -16 -2015 -------- - - - - -- ---------- - - - - -- REMARKS: RECEIVED Division of Water Resources SEP 1 8 2015 Water Oun,11ty Reniona! nDerations RECEIVED OCT 02 2015 DENR -LAND QUALITY STORMWATER pERii�f; i Ti;,A; Hand Delivered _ Pick up @ CDC Office Description -------------------------------- - - - - -- - - - - -- Cover Letter ----------------------------------------------------- Review Fee Check $ 240 ----------------------------------------------------- PCN Application ----------------------------------------------------- USGS Map (Lake & Waste Site) ----------------------------------------------------- Vicinity Map ----------------------------------------------------- 11 x 17 Engineering Plans ----------------------------------------------- - - - - -- ---- e� - / -------------------------------------- By: Cody Batchelder, EI S. \ACAD \21518 \docs \NCDWR\zpI6sepI5 - Transmittal -USACE docx Mailing Address: P.O. Box 5432, Asheville, NC 28813 168 Patton Avenue Asheville, NC 28801 52 Walnut Street — Suite 9, Waynesville, NC 28786 Phone 828 - 252 -5388 Fax 828 - 252 -5365 Phone: 828 - 452 -4410 Fax: 828 - 456 -5455 ca'c" CIVIL DESIGN CONCEPTS, PA September 16, 2015 Zan Price NCDENR — Division of Water Resources Water Quality Regional Operations Section Assistant Regional Supervisor — Asheville Regional Office 2090 U.S. Hwy 70 Swannanoa, NC 28778 Re: Lake Tomahawk Dredging CDC Project No: 21518 Dear Mr. Price, O'D 4Z G On behalf of the Town of Black Mountain, we are submitting the enclosed PCN forms for NWP 3 for the proposed Lake Tomahawk Dredging project Black Mountain, NC (PIN # 0619 -06- 8841). The purpose of this project is to extract dredging material from Lake Tomahawk and disperse the material on agricultural land northwest of Black Mountain, NC (PIN # 0700 -35- 9274). Please fmd the following PCN package enclosed: • One (1) PCN Application • One (1) Review fee check in the amount of $ 240 • One (1) USGS Map • One (1) Vicinity Map • One (1) Set of Reduced 11x17 Engineering Plans If you should have any questions during your review, please do not hesitate to contact our office. Sincerely, V- CoBatc-h- elder, EI Civil Design Concepts, P.A. S: \ACAD\21518 \dots \NCDWR\zpI6sepI5 -Cover Letter- USACE.docx RECEIVED Dlvis:on of Watei Resources SEP 18 2015 Wa* r C7u? ±fh R�oi�na! noera_rions Mailing Address: P.O. Box 5432, Asheville, NC 28813 168 Patton Avenue, Asheville, NC 28801 52 Walnut Street — Suite 9, Waynesville, NC 28786 Phone 828 - 252 -5388 Fax 828 - 252 -5365 Phone: 828 - 452 -4410 Fax: 828 - 456 -5455 Corps Submittal Cover Sheet Please provide the following info: 1. Project Name Lake Tomahawk Dredging 2. Name of Property Owner /Applicant: Town of Black Mountain 3. Name of Consultant/Agent: Jesse Gardner, P.E., Civil Design Concepts, P.A. *Agent authorization needs to be attached. 4. Related/Previous Action ID number(s): 5. Site Address: 401 Laurel Circle Drive, Black Mountain, NC 28711 6. Subdivision Name: 7. City: Town of Black Mountain 8. County: Buncombe 9. Lat: 35.6208 Long: - 82.3292 10. Quadrangle Name: Black Mountain 11. Waterway: Lake Tomahawk 12. Watershed: French Broad 13. Requested Action: Nationwide Permit # 3 General Permit # Jurisdictional Determination Request _ Pre - Application Request The following information will be completed by Corps office: AID: Prepare File Folder Assign number in ORM (Decimal Degrees Please) Authorization: Section 10 Section 404 Project Description/ Nature of Activity/ Project Purpose: Site/Waters Name: Keywords: Begin Date of WATt9 V k 1 r > \ V I Bel I A. Applicant Information 1. Processing PA 9 Office Use Only. Corps aeon ID no. DWQ project no. Form Version 1.4 January 2009 Pre- Construction Notification (PCN) Form 1 a. Type(s) of approval sought from the Corps: I ® Section 404 Permit ❑ Section 10 Permit 1b. Specify Nationwide Permit (NWP) number. 3 or General Pamrit (GP) number. 1c. Has the NWP or GP number been verified by the Corps? I ® Yes ❑ No 1 d. Type(s) of approval sought from the DWQ (check all that apply): ® 401 Water Quality Certification — Regular ❑ Non-404 Jurisdictional General Permit ❑ 401 Water Quality Certification — Express ❑Riparian Buffer Authorization Is. Is this notification solely for the record For the record only for DWQ For the record only for Corps Permit: because written approval Is not required? 401 Cert ficad ❑ Yes ® No ❑ Yes ® No 1f. Is payment Into a mitigation bank or inaleu fee program proposed for mitigation of Impacts? If so, attach the acceptance letter from mitigation bank ❑ Yes ® No or in4lau fee program. 1g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h ❑Yes ®No below. 1h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ❑ Yes ® No 2. Project Information 2a. Name of project: Lake Tomahawk Dredging 2b. County: Buncombe 2c. Nearest municipality / town: Town of Black Mountain 2d. Subdhrlslon name: 2e. NCDOT only, T.I.P. or state project no: 3. Owner Information R F: r 1= n 3a. Name(s) on Recorded Deed: Town of Black Mountain - r . ° r r Page No. 0468/0002 3b. Deed Book and P � I U Z015 3c. Responsible Party (for LLC If DENR -LAND QUA ►1?" applicable): � crllneY ^�hI 3d. Street address: P.O. Box 882 CtC ' tctl�l7'3'I,LG 3e. City, state, zip: Black Mountain, NC 28711 3f. Telephone no.: (828) 419 -9300 3g. Fax no.: 3h. Email address: Page 1 of 10 PCN Form —Version 1.4 January 2009 14. Applicant Information (If different from owner) 4a. Applicant Is: ❑ Agent ❑ Other, specify: 4b. Name: 4c. Business name (if applicable): 4d. Street address: 4e. City, state, zip: 4f. Telephone no.: 4g. Fax no.: 4h. Email address: 5. Agent/Consultant Information (if applicable) 5a. Name: Jesse Gardner, P.E. 5b. Business name Civil Design Concepts, P.A. (if applicable): 5c. Street address: P.O. Box 5432 5d. City, state, zip: Asheville, NC 28813 5e. Telephone no.: (828) 252 -5388 5f. Fax no.: 5g. Email address: jgardnerc @civildesignconoepts.00m Page 2 of 10 B. Project Information and Prior Project History 1. Property Identification 1a. Property identification no. (tax PIN or parcel ID): 1 0619 - 06-8841 1b. Site coordinates (in decimal degrees): I Latitude: 35.620842 Longitude: - 82.329203 1c. Property size: 15.52 acres 2. Surface Waters 2a. Name of nearest body of water to proposed project Lake Tomahawk Branch - Lake Tomahawk 2b. Water Quality Classification of nearest receiving water: B 2c. River basin: French Broad 3. Project Description 3a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this application: Existing conditions Include Lake Tomahawk Branch, Lake Tomahawk, parking areas, a dubhouse with pool, a perimeter path around the lake, tennis courts, and other mall buildings. 3b. List the total estimated acreage of all existing wetlands on the property: 0 3c. List the total estimated linear feet of all existing streams (Intermittent and perennial) on the property: 300 3d. Explain the purpose of the proposed project: The purpose of this project Is to mechanically dredge/remove approximately 31804 SF (0.71 AC) of Lake Tomahawk and 3060 SF (.07 AC) of the forebay to reduce sediment bad that has deposited within the forebay and lake. 3e. Describe the overall project in detail, including the type of equipment to be used: The project will Include dredging approximately 0.78 AC of Lake Tomahawk and .07 AC of Lake Tomahawk forebay using baddwes. Backhoes will 10 dump trucks with waste material and dispose It offsite. 4. Jurisdictional Determinations 4a. Have jurisdictional wetland or stream determinations by the Corps or State been requested or obtained for this property / 1771 yes No Unknown Comments: prolect (Includinq all prior phases) In the past? 4b. If the Corps made the jurisdictional determination, what type of determination was made? Preliminary Final 4c. If yes, who delineated the jurisdictional areas? Agency /Consultant Company: Name (If known): Other. 4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation. ti. Project History 5a. Have permits or certifications been requested or obtained for this project (including all prior phases) in the past? Oyes [:1 No Unknown 5b. If yes, explain in detail according to "help file' instructions. 6. Future Project Plans 6a. Is this a phased project ❑ Yes 0 No 6b. If yes, explain. Page 3 of 10 PCN Form - Version 1.4 January 2009 C. Proposed Impacts Inventory 1. Impacts Summary 1 a. Which sections were completed below for your project (check all that apply): ❑ Wetlands ❑ Streams — tributaries ❑ Buffers ® Open Waters ❑ Pond Construction 2. Wetland Impacts Stream name Perennial (PER) or Type of Average Impact number intermittent (INT)? jurisdiction stream If there are wetland impacts proposed on the site, then complete this question for each wetland area impacted. 2a. 2b. 2c. Temporary (T) 2d. 2e. 2f. Wetland impact Type of Impact Type of wetland Forested Type of jurisdiction Area of number S3 - Choose one Corps (404,10) or impact Permanent (P) or Choose one - - DWQ (401, other) (acres) Temporary (T) Se - Choose one - - W1 Choose one Choose one YesRJo - VV2 - Choose one Choose one Yeaft - W3 - Choose one Choose one YeSINO - W4 - Choose one Choose one Yes/No - W5 - Choose one Choose one Yeaft - We - Choose one Choose one YesMo - 2g. Total Wetland Impacts: 2h. Comments. 3. Stream Impacts If there are perennial or intermittent stream impacts (Including temporary Impacts) proposed on the site, then complete this question for all stream sites impacted. 3a. 3b. 3c. 3d. 3e. 3f. 3g. Stream impact Type of impact Stream name Perennial (PER) or Type of Average Impact number intermittent (INT)? jurisdiction stream length Permanent (P) or width (linear Temporary (T) (feet) feet) S1 - Choose one - - S2 - Choose one - S3 - Choose one - - S4 - Choose one - - S5 - Choose one - - Se - Choose one - - 3h. Total stream and tributary Impacts 31. Comments: Page 4 of 10 PCN Form — Version 1.4 January 2009 4. Open Water Impacts If there are proposed Impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of the U.S. then individually list all open water impacts below. 4a. 4b. 4c. 4d. 4e. Open water Name of waterbody Buffer Impact Reason for impact Stream name Buffer Impact number (If applicable) Type of impact Waterbody Area of impact (acres) Permanent (P) or Impact type Temporary (T) required? (square 01 P Lake Tomahawk Dredging Lake 0.85 02 - Choose one Choose 03 - Choose one Choose O4 - Choose one Choose 4f. Total open water Impacts 0.78 4g. Comments: & Pond or Lake Construction If pond or lake construction proposed, ther complete the chart below. 58. 5b. 5c. 5d. 5e. Pond ID number Proposed use or Wetland Impacts (acres) Stream Impacts (feet) Upland purpose of pond (acres) Flooded Filled Excavated Flooded Filled Excavated P1 Choose one P2 Choose one 5f. Total: 5g. Comments: 5h. Is a dam high hazard permit required? ❑ Yes ❑ No If yes, permit ID no: 51. Expected pond surface area (acres): 5j. Size of pond watershed (acres): 5k. Method of construction: 6. Buffer Impacts (for DWQ) If project will Impact a protected riparian buffer, then complete the chart below. If yes, then Individually list all buffer impacts below. If any impacts require mitigation, tt-en you MUST fill out Section D of this form. 6a. Project Is In which protected basin? ❑ Neuse ❑ Tar - Pamlico ❑ Catawba ❑ Randleman ❑ Other. Bb. 6c. 6d. 6e. 6f. 6g. Buffer Impact Reason for impact Stream name Buffer Zone 1 Zone 2 number — mitigation Impact impact Permanent (P) or required? (square (square Temporary (T) feet) feet) B1 - YealNo B2 - Yes/No B3 - Yes/No S4 - YewNo B5 - YeslNo B6 - YeslNo _ 6h. Total Buffer Impacts: 6i. Comments: Page 5 of 10 D. Impact Justification and Mitigation 1. Avoidance and Minimization 1 a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project. - Construction Entrances to both sides of lake dredge - Knimal dredge duration - De- watering through windrows - FArdmlzed dredge footprint to Lake Inlet only - Dredge time of year 1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques. - Drain lake to allow minimum disturbance to open water - De-watering through windrows - Use of fight rubber back equipment 2 Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State 2a. Does the project require Compensatory Mitigation for ❑ Yes ® No impacts to Waters of the U.S. or Waters of the State? 2b. if yes, mitigation is required by (check all that apply): ❑ DWQ ❑ Corps ❑ Mitigation bank 2c. If yes, which mitigation option will be used for this proj� El Payment to iMieu fee program ❑ Permittes Responsible Mitigation 3. Complete If Using a Mitigation Bank 3a. Name of Mitigation Bank: Type: Choose one Quantity: 3b. Credits Purchased (attach receipt and letter) Type: Choose one Quantity: Type: Choose one Quantity: 3c. Comments: 4. Complete if Makinp a Payment to In -lieu Fee Program 4a. Approval letter from in -lieu fee program is attached. ❑ Yes 4b. Stream mitigation requested: linear feet 4c. If using stream mitigation, stream temperature: Choose one 4d. Buffer mitigation requested (DWQ only): square feet 4e. Riparian wetiand mitigation requested: acres 4f. Non - riparian wetland mitigation requested: acres 4g. Coastal (tidal) wetland mitigation requested: acres 4h. Comments: & Complete If Using a Permittee Responsible Mitigation Plan 5a. If using a permittee responsible mitigation plan, provide a description of the proposed mitigation plan. Page 6 of 10 PCN Form — Version 1.4 January 2009 I 6. Buffer Mitigation (State Regulated Riparian Buffer Rules) — required by DWO 6a. Will the project result in an impact within a protected riparian buffer that requires I Yes No buffer mitigation? 6b. If yes, then Identify the square feet of impact to each zone of the riparian buffer that requires mitigation. Calculate the amount of mitigation required. 6c. 6d. 6e. Zone Reason for impact Total impact Multiplier Required mitigation (square feet) (square feet) Zone 1 3 (2 for Catawba) Zone 2 1.5 6f. Total buffer mitigation required: 6g. If buffer mitigation Is required, discuss what type of mitigation is proposed (e.g., payment to private mitigation bank, permittee responsible riparian buffer restoration, payment into an approved in -lieu fee fund). 6h. Comments: Page 7 of 10 E. Stormwater Management and Diffuse Flow Plan (required by DWQ) 1. Diffuse Flow Plan 1 a. Does the project include or Is it adjacent to protected riparian buffers identified ❑ Yes within one of the NC Riparian Buffer Protection Rules? 1 b. If yes, then is a diffuse flow plan Included? If no, explain why. ❑ Yes 2. Stormwater Management Plan 2a. What Is the overall percent Imperviousness of this project? 2b. Does this project require a Stormwater Management Plan? ❑ Yes 2c. If this project DOES NOT require a Stormwater Management Plan, explain why: Dredging Is the only construction advity taking place on the sits. ® No ❑ No ® No 2d. If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan: 2e. Who will be responsible for the review of the Stormwater Management Plan? 3. Certified Local Govemment Stomtwater Review 3a. In which local government's jurisdiction is this project? 3b. Which of the following locally- implemented storrnwater management programs apply (check all that apply): 3c. Has the approved Stomnw der Management Plan with proof of approval been attached? 4. DWQ Stormwater Program Review 4a. Which of the following state - implemented stormwater management programs apply (check all that apply): 4b. Has the approved Stormwater Management Plan with proof of approval been attached? S. DWQ 401 Unit Stormwater Review 5a. Does the Stormwater Management Plan meet the appropriate requirements? 5b. Have all of the 401 Unit submittal requirements been met? wn Black Mountain ® Phase II ❑ NSW ❑ USMP ❑ Water Supply Watershed ❑ Other: ❑Yes ®No ❑Coastal counties ❑ HQW ORW Session Law 2006 -246 []Other: ❑ Yes ❑ No ❑ Yes ❑ No ❑ Yes ❑ No Page 8 of 10 PCN Form — Version 1.4 January 2009 i I I t F. Supplementary Information 1. Environmental Documentation (DWQ Requirement) la. Does the project involve an expenditure of public (faderallstateflocai) funds or the ® Yes ❑ No use of public (federal/state) land? 1b. if you answered "yes' to the above, does the project require preparation of an environmental document pursuant to the requirements of the National or State ❑Yes ® No (North Carolina) Environmental Policy Act (NEPA/SEPA)? 1c. If you answered 'yes' to the above, has the document review been finalized by the State Clearing House? (If so, attach a copy of the NEPA or SEPA final approval letter.) ❑ Yes ® No Comments: 2. Violations (DWQ Requirement) 2a. Is the site in violation of DWQ Wetland Rules (15A NCAC 2H .0500), Isolated Wetland Rules (15A NCAC 2H .1300), DWQ Surface Water or Wetland Standards, []Yes ® No or Riparian Buffer Rules (15A NCAC 2B .0200)? 2b. Is this an after - the -fact permit application? Oyes ®No 2c. If you answered "yes' to one or both of the above questions, provide an explanation of the violation(s): 3. Cumulative Impacts (DWQ Requirement) 3a. Will this project (based on past and reasonably anticipated future Impacts) result in additional development, which could impact nearby downstream water quality? Oyes ca NO 3b. If you answered 'yes" to the above, submit a qualitative or quantitative cumulative impact analysis in accordance with the most recent DWQ policy. If you answered "no,' provide a short narrative description. 4. Sewage Disposal (DWQ Requirement) 4a. Clearly detail the ultimate treatment methods and disposition (non - discharge or discharge) of wastewater generated from the proposed or available capacity of the subject facility. Sanitary ewer currently on site. No new sanitary sewer was(b created by We project. Page 9 of 10 PCN Form —Version 1.4 January 2009 5. Endangered Species and Designated Critical Habitat (Corps Requirement) 5a. Will this project occur in or near an area with federally protected species or ❑ Yes ® No habitat? 5b. Have you checked with the USFWS concerning Endangered Species Act ® Yes ❑ No impacts? 5c. If yes, indicate the USFWS Field Office you have contacted. Asheville 5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat? 6. Essential Fish Habitat (Corps Requirement) 6a. Will this project occur in or near an area designated as essential fish habitat? I ❑ Yes ® No 6b. What data sources did you use to determine whether your site would Impact Essential Fish Habitat? South Atlantic Fishery Management Council 7. Historic or Prehistoric Cultural Resources (Corps Requirement) 7a. Will this project occur in or near an area that the state, federal or tribal governments have designated as having historic or cultural preservation Yes ® No status (e.g., National Historic Trust designation or properties significant In North Carolina history and archaeology)? 7b. What data sources did you use to determine whether your site would impact historic or archeological resources? Preservation Society of Asheville and Buncombe County 8. Flood Zone Designation (Corps Requirement) 8a. Will this project occur in a FEMA-designated 100 -year floodplain? 8b. If yes, explain how project meets FEMA requirements: 8c. What source(s) did you use to make the floodplain determination? 2010 FEMA FIRM 3710061900) zm- CC D • 1` aAlvtekz's ApplicantlAgent's Printed Name ❑ Yes is nUA ent s Signature s sWhature Is valid only if an authorization letter from the applicant Is provided.) Page 10 of 10 1:1 1-3o 1 2615 Date �E •� 4 ',�; r� �. ^` �\ T� � ±'s -� �'.�•� Vie` -• I Ll 11!Ziff ii � - � r. '��' / '.•.'rrV. b�S�.rr • �. .. ..+Ilr `.� ` t ` �� .M *�3 1. • Vey �� ... � '" . �� '.y r �* ' � � � [ r j ZFI' ,y' ---- .. �, . " , � •� - � � � + N VICINITY MAP FOR: w o � z Q Lii 0 w Q o Q w L,j J °o SUBJECT �p N °O PROPERTY �9 Q = ti NN PLL� S CD c� �O NOT TO SCALE LAKE TOMAHAWK DREDGING CDC PROJECT #21518 PRELIMINARY NOT RELEASED FOR CONSTRUCTION 168 PATTON AVENUE ASNEWLLE, NO 28601 00 PHONE (820 2626888 ca G FAX (BM) 2623186 62 WALNUT STREET -SURE 6 WAYNEMLLE, NC 26788 CIVIL DESIGN CONCEPTS, PA PN FAX 4828, 162-M10 FA%(828)168 -N68 NCBELS LICENSEE C-2184 www.cNiN- �Pb- LAKE TOMAHAWK DREDGING TOWN OF BLACK MOUNTAIN, NORTH CAROLINA MAY 29, 2015 PREPARED FOR: TOWN OF BLACK MOUNTAIN 160 MIDLAND AVENUE BLACK MOUNTAIN, NC 28711 (828) 419 -9300 INDEX OF SHEETS Sheet No. Title cool COVER SHEET C201 LAKE TOMAHAWK SITE PLAN '301 WASTE DISPOSAL AREA GRADING & EROSION CONTROL PLAN C931 GRADING & EROSION CONTROL DETAILS DEVELOPMENT DATA OWNER\DEVEDPEk TOVIN OF BLACK MOUNTAN 160 MIDLAND AVENUE BUCK MOUNTAIN, NO 26711 CONTACT: (828) 419-9300 CIVIL ENGINEER CIVIL DESIGN CONCEPTS. P.A. 188 PATTON AVENUE ASHEVILLE. NO 26801 CONTACT: .ESSE OMONER. P.E. (626) 252 -8388 M1 F IyOR 41! a I Q a vi F- a W u z 0 U U z V W 0 J �C'EFJ V� UL's 02 2015 ° �EPTR -L Wwr p Ai17T' G STpR ND S �R/trllT Ti' JVG a VICINITY MAP mGit rD SuLeI • • Know where WOW. Call before you dig. B H } J Z :q SR : 1 G C3 z O � Y Q a W � Y � o g o DATE 05/27/2015 ORAxN BY CLR CDC PROJECT NO 21518 SHEET C001 � g � ffQvptlR S E �� I n glj�a S _ 66 I � r _.181_ Mz l �I �• / /; % /• %%� % 'i'�% i�•, //i // j /r "" 'm��""_� � `w_\ /%'ter 'ft gib m 1_ � -_� - _ RNODODBNDR IAVHNUE -_ : "�..... - .._�__.. -__ _ -_ • � �._• 1'. • '�� -'•' ' ,'\ _�� I --. � � - I � III Am al Pv A 4 8 $ G4 2 P. N ! F N - z s $c i e0 -1' Ig 5 01 9 mil. y > 4 � i� j;N 3 o g y € ° F Plinio : m m Rix 5: �ygC �Yeg n Rq NI:l 8 A721 HIM smea :p, � x1l S n 5 b ¢ 2S ° m O N LAKE TOMAHAW SITE PLAN LAKE TOMAHAWK DREDGING 1 08/05/15 lla; C ... „NQPHONEIBPB1Pb23]EI ()- >; A` -- _ -_._- ! O; R...r'� ^,,= EROSON CONTROL SUBMITTAL COB CIVIL DESIGN CONCEPTS, PA IEEPATTONAVENUE AaNEVILIE.NOU 6T WALNUI•TIIEET -BUREP WAYILGVILLE.Mcum PNONE �361�<HO ucENEEr ores p m O m TOM OF BLACK MOUNTAIN - BUNCOMBE COUNTY, NORTH CAROLINA € ' 4pNg§ DESCRIPTION BY d a °8 t - ¢ 2S ° m O N LAKE TOMAHAW SITE PLAN LAKE TOMAHAWK DREDGING 1 08/05/15 lla; C ... „NQPHONEIBPB1Pb23]EI ()- >; A` -- _ -_._- ! O; R...r'� ^,,= EROSON CONTROL SUBMITTAL COB CIVIL DESIGN CONCEPTS, PA IEEPATTONAVENUE AaNEVILIE.NOU 6T WALNUI•TIIEET -BUREP WAYILGVILLE.Mcum PNONE �361�<HO ucENEEr ores p m O m TOM OF BLACK MOUNTAIN - BUNCOMBE COUNTY, NORTH CAROLINA ”' "'•, NO WE DESCRIPTION BY �BEta dOO" F-1 Y od .. B _ Z0 �o n n Z °a o n as as Is = as SP _ as es - _ as as —_ 9it ` P' -- 0 a ' AN Y f Y N � p ° P `� m Y f f• N � A IN mi p g F i Jig Fp/< _ 221 jB 1 1 > b s g 2 s SRUI r„T °p 0 WASTE DISPOSAL AREA GRADING R EROSION CONTROL PLAN FOR [ ^' \ I 0 = X m o s PNarE fsTa1 amssm FAx lsmTnax�Yes �_ i W.L.IUT.TNEET-BURE. WAYIEBVILLE, ND ans CIVIL DESIGN CONCEPTS PA(—i�'°°"°° FAX 4 a S2 NO DATE DFSCRIP71ON BY P' -- 0 a ' AN Y f Y N � p ° P `� m Y f f• N � A IN mi p g F i Jig Fp/< _ 221 jB 1 1 > b s g 2 s N TOWN OF BLACK MOUNTAIN - BUNCOMBE COUNTY. NORTH CAROUNA 3 s ovi g� �_ J >U V n _ rig .I 1 08/05/15 ERDSON CONTROL SUBMITTAL GOB r„T °p 0 WASTE DISPOSAL AREA GRADING R EROSION CONTROL PLAN FOR [ ^' \ I 0 = X m o LAKE TOMAHAWK DREDGING N TOWN OF BLACK MOUNTAIN - BUNCOMBE COUNTY. NORTH CAROUNA 3 s ovi g� �_ J >U V n _ rig .I 1 08/05/15 ERDSON CONTROL SUBMITTAL GOB IMPATONAVEMUE y..•••... ,P _ __- ___- _- _-- __.___ _ —___ PNarE fsTa1 amssm FAx lsmTnax�Yes W.L.IUT.TNEET-BURE. WAYIEBVILLE, ND ans CIVIL DESIGN CONCEPTS PA(—i�'°°"°° FAX NOMH$IICENIIEt CZTBn NO DATE DFSCRIP71ON BY .WKBwpnoNN.pbsom EARTHEN ELEVATION OF OV 1 5' BELOW BERM INLET ZONE Y•t OF SURFACE AREA I- FIRST CHAMBER - ?TY 25% OF SURFACE AREA =1, SIEOOND CHAMBER 25% OF SURFACE AREA Now OUTLET 'ON E 1 POROUS BAFRE USING JUTE NET BACKED 1St OF SURFACE AREA BY COIR EROSION BLANKET (OR EQUIVALENT) 2 SEE FIGURE 8658 OF NCDENR MANUAL OUTLET STRUCTURE FOR CRO53 SECTION OF POROUS BATTLE NTH RISER BARREL SEDIMENT TRAP / BASIN BAFFLE DETAIL NOT TO SCALE SUPPORT POST, SUPPORT ROPE TO WIRE Z4' IN iO BOTTOM TO PREVENT SAGGING OR SIDE STAKE TO SUPPORT WRE VA/VA�� /�� /, \i` „/ / /'•�` •ii:•i °/` f /ice'/ / \\; / \,\ \ice ST ED OR REACHED INTO • //� �\ INTO BOTTOM OR SIDE BAFFLE % DETAIL NOT TO SCALE TRASH LI' " -1 „i TEMPORARY HOPE 8' YIN ! -`' PIPE BOTTOM OF rI-n{1.E',J -{ I' =il- i H- I,� i I • 1 I'-III- a.i-- LET' =¢I, SEGMENT TRAP 48,__ -? II�_ PPE TO TIE INTO '(1 T� (!.L,- �.L'- -,I - / /STORM STRUCTURE �{ / (SEE PLAN) - Y- rT' � MAP, EREL MW �•% 1%MIN - - -> Y IT�l_' �Il ,lp,;_,;- �!�LI_ >1= (.-�r_yr��_ 4' SCN 40 COUPLING - ')`I`p =11. I-�I;•� ..��,ilj'� ylilt„ Fl -"�' -r FROM POND SKIMMER - irtl -� I { TO BE CONNECTED TO R7NFORCED ' -' �” - I 4- �i� - -1', ^'r a” SCH 40 PIPE CONCRETE SLAB TEMPORARY RISER STRUCTURE AT TEMPORARY SEDIMENT TRAP NOT TO SCALE p 2 " -y COARSE AGGREGATE �12 (SUCH AS RAILROAD BALLAST) V25 0111, NQ)Ei 1 A STABIUZEO PAD OF CRUSHED STONE SHALL BE LOCATED WHERE TRAFFIC WILL BE ENTERING OR LEAVING A CONSTRUCTION SITE TO OR MOM AN EXISTING ROAD 2 STONE TO BE 2 - 3 INCH WASHED STONE 3 THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION WHICH WILL PREVENT TRACKING OR FLOWING OF SEDIMENT ONTO PUBLIC STREETS OR EXISTING PAVEMENT THIS MAY REWIRE PERIODIC TOP DRESSING NTH ADDITIONAL STONE AS CONDITIONS DEMAND AND REPAIR AND /OR CLEANOUT OF ANY MEASURES USED TO TRAP SEGMENT - 4 ALL SEDIMENT SPILLED, ORCPPED, WASHED OR TRACKED ONTO PUBLIC STREETS MUST BE REMOVED IMMEDIATELY. 5 MEN NECESSARY WHEELS MUST BE CLEANED TO REMOVE SEDIMENT DPW TO ENTERING A PUBLIC STREET, WHEN WASHING IS REQUIRED, IT SHALL BE DONE ON AN AREA STABILIZED WTH CRUSHED STONE WI NCH GRANS INTO AN APPROVED SEGMENT BASIN 6 FILTER FABRIC SHALL BE PLACED UNDER THE ENTRANCE/EXII AND SHALL BE MIRAFl 500 OR EQUAL STABILIZED CONSTRUCTION ENTRANCE NOT TO SCALF EXISTING BUNCOMBE COUNTY EROSION CONTROL NOTES GENERAL ALL EROSION CONTROL MEASURES ARE TO BE PERFORMED IN STRICT ACCORDANCE WTI REQUIREMENTS OF NCOENR THE FOLLOWING CONSTRUCTION SEQUENCE SHALL BE COMPILED WTI FOR ALL WORK I. OBTAIN LAND DISTURBING PERMIT. 2. INSTALL ALL EROSION CONTROL MEASURES AS REWIRED BY NCDENR 3. OBTAIN CERTIFICATE OF COMPLIANCE THROUGH ON -STE INSPECTION BY A REPRESENTATIVE OF BUNCOMBE COUNTY PLANNING DEPARTMENT. 4 PROCEED NTH GRADING, CLEARING AND GRUBBING 5. SEED AND MULCH DENUDED AREA WTHIN 15 DAYS AFTER FINISHED GRADE ARE ESTABLISHED SEED AND SOIL AMENDMENTS SHALL BE PLACED ON A PREPARED SEEDBED AT THE FOLLOWING RATES PER ACRE TEMPORARY SEEDING OF BUILDABLE AREAS UME 4,000 LBS FERTILIZER (10-10-10) 1,000 LBS MULCH 300 LOS OATS 100 LOS PERMANENT SEEDING OF SLOPES AND PERMANENT STABILIZED AREAS LIME 4,000 LBS FERTIUZER (10-10-10) 1,000 LOS KY -31 FESCUE 100 LBS STRAW MULCH OG-80 BALES FOR WINTER SEEDING ADD TO THE ABOVE- RYE GRAIN 120 LEIS CROWN VETCH 15 LBS-20 LBS FOR ALL SLOPES 21 OR STEEPER ADD TO THE ABOVE SERCEA LESPEDEZA 40 LES IF HYDROSFEDI N. IS USED, WOOD CELLULOSE MAY BE SUBSTITUTED FOR STRAW MULCH AT THE RATE OF LOGO LBS PER ACE. ALL SEEDING SHALL BE MAINTAINED, WATERED. ETC, UNTIL A PERMANENT VEGETATIVE GROUND COVER 15 ESTABUSIED OVER ALL DISTURBED AREAS 6 MAINTAIN SOIL EROSION CONTROL MEASURES UNTIL PERMANENT GROUND COVER 15 ESTABLISHED 7 REMOVE SOIL ER0" CONTROL MEASURES AND STABILIZE THESE AREAS & REQUEST FINAL APPROVAL BY BUNCOMBE COUNTY. TEMPORARY DIVERSION DITCH NOT TO SCALE 8' MAX VAR CT VARIABLE AS DIRECTED S� THE ENGINEER T MIN 10 GA LINE WIRES SILT FENCE NOT TO SCALE MIN 12 -1/2 GA INTERMEDIATE WRES GRADING & EROSION CONTROL DETAILS Q a W U Z O A ou �N W 0 J uu m C_ � a k a m ;•SIN CARp`s, .app y'= u l o uj 2Y g a r � 0 z ul u m Y DATE 05/27/2015 DRAWN BY CLR WC PROJECT NO 21518 SHEET C931 I FONT VIEW NOTE. STEEL POST WOVEN WIRE FABRIC -USE SILT FENCE ONLY WHEN SILT FENCE FABRIC 'DRAINAGE AREA DOES NOT EkCEED 1/4 ACRE AND NEVER IN AREAS OF CONCENTRATED iIOW ' '. I FILL /.l SLOPE �" GRADE FOR REPAIR OF SILT " FENCE FAILURES. USE 12' MIN COVER OVER No 57 WASHED STONE AS AN ANCHOR MEN SILT SKIRT FENCE IS PROTECTING CATCH BASIN ANCHOR SKIRT AS DIRECTED BY ENGINEER SILT FENCE NOT TO SCALE MIN 12 -1/2 GA INTERMEDIATE WRES GRADING & EROSION CONTROL DETAILS Q a W U Z O A ou �N W 0 J uu m C_ � a k a m ;•SIN CARp`s, .app y'= u l o uj 2Y g a r � 0 z ul u m Y DATE 05/27/2015 DRAWN BY CLR WC PROJECT NO 21518 SHEET C931