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HomeMy WebLinkAbout20090500 Ver 1_401 Application_20090509i HadenStanziale planning landscape architecture civil engineering TRANSMITTAL Date:02-27-09 To: Cyndi Karoly NC DWQ - 401 Wetlands Unit 1650 Mail Service Center Raleigh, NC27699 From:Tiffany McCormack cc:file ?Enclosed Herewith ?Under Separate Cover ?For your File Project Name: Stallings Road Substation Project No: 08133 aPAIP ?As requested ®For Review & Comment ®For Approval 09-0500 MAY 0 4 2009 - WATER QUALITY WETLANDSNAND STOORMWATER BRANCH Via ?Hand Delivery ®FedEx ?UPS ?First Overnight Delivery (by 8:00 a.m. ?Priority Overnight Delivery (by 10:30 a.m.) ®Standard Overnight Delivery (by 3:30 p.m.) ?Regular Postal Service Mail Items Sent: # of Copies: Dated: Erosion Control Plan & Detail Sheets 5 05/01/09 PCN Form 5 05/01/09 Agent Authorization 5 04/22/09 Buffer Impact Map 5 05/01/09 PCN Application Fee 1 4/28/09 Comments: J:\08133-Stallings Rd. Substation\Admin Engineering\Transmittals\2009-05-01-Karoly-Buffer-Ruth-Submittal. Doc 2200 West Main Street 919.286.7440 Durham Suite 560 919.286.7889 fax Charlotte Durham, NC 27705 www hadenstanzi I con Wilmington O?O? WATF9?G y ? 1 1 > 09-0500 Office Use Only: Corps action ID no. DWQ project no. Form Version 1.4 January 2009 Pre-Construction Notification (PCN) Form A. Applicant Information 1. Processing 1 a . Type(s) of approval sought from the Corps: ?X Section 404 Permit ? Section 10 Permit 1 b . Specify Nationwide Permit (NWP) number: 14 or General Permit (GP) number: 1c . Has the NWP or GP number been verified by the Corps? 0 Yes Q No 1d . Type(s) of approval sought from the DWQ (check all that apply): ?x 401 Water Quality Certification - Regular ? Non-404 Jurisdictional General Permit ? 401 Water Quality Certification - Express X? Riparian Buffer Authorization 1e. Is this notification solely for the record because written approval is not required? For the record only for DWQ 401 Certification: ? Yes ?X No For the record only for Corps Permit: ? Yes X? No 1f. Is payment into a mitigation bank or in-lieu fee program proposed for mitigation of impacts? If so, attach the acceptance letter from mitigation bank or in-lieu fee program. ? Yes ? No 1g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1h below. ? Yes ?X No 1 h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ? Yes ?X No 2. Project Information 2a. Name of project: Stallings Road Substation 2b. County: Durham 2c. Nearest municipality / town: Durham 2d. Subdivision name: n/a 2e. NCDOT only, T.I.P. or state project no n/a 3. Owner Information 3a. Name(s) on Recorded Deed: Duke Energy Carolinas LLC 3b. Deed Book and Page No. DB 005380 PG 000205 D Lug aflrWr;; 3c. Responsible Party (for LLC if applicable): Kevin Johnson, PE D MA 3d. Street address: Y1 526 South Church Street 009 3e. City, state, zip Charlotte, NC 28201 DENR.&TER.QUALI 3f. Telephone no.: 704.382.0961 ATERBRANCH 3g. Fax no.: 3h. Email address: ksjohnson@duke-energy.com Page 1 of 10 PCN Form - Version 1.4 January 2009 4. Applicant Information (if different from owner) 4a. Applicant is. ? Agent ?X Other, specify: Consultant 4b- 4c. 4d. Name: Business name (if applicable). Street address: ---_-- 4e. City, state, zip: ---- ----- - 4f. Telephone no -- - - --- ----- ----- 4g. Fax no.: 4h. Email address: 5. 5a. Agent/Consultant Information (if applicable) Name. Christopher M. Mehl, PE 5b. Business name (if applicable). Haden Stanziale, PA 5c. Street address 2200 W. Main Street, Suite 560 5d. City, state, zip.- Durham, NC 27705 5e. Telephone cro.. 919.286.7440 5f. Fax no.: 919.286.7889 5g. Email address: cmehl@hadenstanziale.com Page 2 of 10 B. Project Information and Prior Project History 1. Property Identification 1a. Property identification no. (tax PIN or parcel ID). 0851-03-94 8065 1b. Site coordinates (in decimal degrees) Latitude: 35.98 6 5 Longitude: -78.7975 1c. Property size: 9.78 acres 2. Surface Waters 2a. Name of nearest body of water to proposed project: Little Lick Creek 2b. Water Quality Classification of nearest receiving water: WS-IV, NSW 2c. River basin: Neuse 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: The site is currently several residential properties with a small pond. The site is adjacent to Little Lick Creek. The existing residential drive, that will be updated has a failing 30" RCP culvert. The culvert serves a combination roadside ditch and modified natural stream. The upstream end of the culvert is broken and the downstream end is severely blown-out. 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: 363 3d. Explain the purpose of the proposed project: The development of this site is the conversion of residential lots into an electrical power substation. 3e. Describe the overall project in detail, including the type of equipment to be used: The access drive will widen, the culvert will be replaced and a gravel pad will be constructed. Anticipated equipmenl will be a track hoe, dump truck, etc 4. Jurisdictional Determinations - 4a. Have jurisdictional wetiand or stream determinations by the ? Yes ? No ?X Unknown Corps or State been requested or obtained for this property / Comments ro ect Includln all prior rases in the ast? 4b. If the Corps made the jurisdictional determination, what type ? Preliminary ? Final of determination was made? 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. 5. Project History 5a. Have permits or certifications been requested or obtained for ? Yes ? No ?X Unknown this project (including all prior phases) in the past? 5b. If yes, explain in detail according to "help file" instructions. 6. Future Project Plans 6a. Is this a phased project? ? Yes ?X No 6b. If yes, explain. Page 3 of 10 PCN Form - Version 1.4 January 2009 C. Proposed Impacts Inventory 1. Impacts Summary 1a. Which sections were completed below for your project (check all that apply): ? Wetlands X? Streams - tributaries ? Buffers ? Open Waters ? Pond Construction 2. Wetland Impacts If there are wetland impacts proposed on the site, then complete this question for each wetland area impacted. 2a. Wetland impact number Permanent (P) or Temporary T 2b. Type of impact 2c. - Type of wetland - 2d. Forested 2e. Type of jurisdiction Corps (404,10) or DWO (401, other) 2f. Area of impact (acres) W1 Choose one Choose one Yes/No W2 Choose one Choose one Yes/No W3 Choose one Choose one Yes/No W4 Choose one Choose one Yes/No W5 Choose one Choose one Yes/No W6 Choose one Choose one Yes/No 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. Stream impact number Permanent (P) or Temporary (T) 3b. Type of impact 3c. Stream name 3d. Perennial (PER) or intermittent (INT)? 3e. Type of jurisdiction 3f. Average stream width (feet) 3g. Impact length (linear feet) S1 P Culvert UT to Little Lick Creek INT DWO 2 80 S2 Choose one S3 Choose one S4 Choose one S5 Choose one S6 Choose one 3h. Total stream and tributary impacts 80 3i. 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 individual) list all open water impacts below. 4a. 4b. 4c. 4d. 4e. Open water Name of waterbody impact number (if applicable) Type of impact Waterbody Area of impact (acres) Permanent (P) or type Temporary T 01 Choose one Choose 02 Choose one Choose 03 Choose one Choose 04 Choose one Choose 4f. Total open water impacts 4g. Comments. 5. Pond or Lake Construction If and or lake construction proposed, then complete the chart below. 5a. 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 E] No if yes, permit ID no: 5i. ExpeGted 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, then you MUST fill out Section D of this form. 6a. Project is in which protected basin? OX Neuse Tar-Pamlico E] Catawba FIRandleman ? Other: 6b. 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 Tem orar T feet feet B1 P culvert replacement UT to Little Lick Creek No 2,340 997 B2 Yes/No B3 Yes/No B4 Yes/No Yes/No B6 Yes/No 6h. Total Buffer Impacts: 2,340 997 6i. Comments: Page 5 of 10 D. Impact Justification and Mitigation 1. Avoidance and Minimization 1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project. The proposed site entrance is placed in the location of the existing residential driveway. 1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques. Construction methods will use appropriately sized equipment for the task. 2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State 2a. Does the project require Compensatory Mitigation for impacts to Waters of the U.S. or Waters of the State? ? Yes ? No 2b. If yes, mitigation is required by (check all that apply): ? DWQ ? Corps 2c. If yes, which mitigation option will be used for this project? ? Mitigation bank El Payment to in-lieu fee program ? Permittee Responsible Mitigation 3. Complete if Using a Mitigation Bank 3a. Name of Mitigation Bank: 3b. Credits Purchased (attach receipt and letter) Type: Choose one Type: Choose one Type: Choose one Quantity: Quantity: Quantity: 3c. Comments: 4. Complete if Makin a Payment to In-lieu Fee Pro ram 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 wetland mitigation requested: acres 4f. Non-riparian wetland mitigation requested: acres 4g. Coastal (tidal) wetland mitigation requested: acres 4h. Comments: 5. 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 6. Buffer Mitigation (State Regulated Riparian Buffer Rules) - required by DWQ 6a . Will the project result in an impact within a protected riparian buffer that requires 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 I a. Does the project include or is it adjacent to protected riparian buffers identified Yes [] No within one of the NC Riparian Buffer Protection Rules? 1 b. If yes, then is a diffuse flow plan included? If no, explain why. Diffuse flow will be achieved with the swales along the access road. RX Yes ? No 2. Stormwater Management Plan 2a. What is the overall percent imperviousness of this project? 23% 2b. Does this project require a Stormwater Management Plan? ? Yes 0 No 2c. If this project DOES NOT require a Stormwater Management Plan, explain why: The site does not exceed 24% impervious surfaces. 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 Government Stormwater Review 3a. In which local government's jurisdiction is this project? The City of Durham ? Phase II 3b. Which of the following locally-implemented stormwater management programs NSW apply (check all that apply): [] USMP Q Water Supply Watershed Other: 3c. Has the approved Stormwater Management Plan with proof of approval been ? Yes Q No attached? 4. DWQ Stormwater Program Review ECoastal counties ?HQW 4a. Which of the following state-implemented stormwater management programs apply RORW (check all that apply): ?Session Law 2006-246 ?Other: 4b. Has the approved Stormwater Management Plan with proof of approval been F] Yes Q No allached? 5. DWQ 401 Unit Stormwater Review 5a. Does the Stormwater Management Plan meet the appropriate requirements? ? Yes X? No 5b. Have all of the 401 Unit submittal requirements been met? ? Yes ? No Page 8 of 10 PCN Form - Version 1.4 January 2009 F. Supplementary Information 1. Environmental Documentation (DWQ Requirement) 1 a . Does the project involve an expenditure of public (federal/state/local) funds or the ? Yes ? No use of public (federal/state) land? 1 b . 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)? 1 c. 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? ? Yes ?X 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 ? Yes Q No additional development, which could impact nearby downstream water quality? 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. The power substation is not being constructed with the intent to serve any particular future development. The intent is to better serve the existing electric customers. It will have an added benefit to any future development in the area. 4. Sewage Disposal (DWQ Requirement) 4a. Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater enerated from g the proposed project, or available capacity of the subject facility. This site will riot require sewage disposal. 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 X Yes No ? habitat? 5b. Have you checked with the USFWS concerning Endangered Species Act ? Yes ?X No impacts? 5c. If yes, indicate the USFWS Field Office you have contacted. - 5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat? The NC National Heritage Program Quad Search tool on their web site. So it has been determined there are protected species within the quad which this project is located. 6. Essential Fish Habitat (Corps Requirement) 6a. Will this project occur in or near an area designated as essential fish habitat? ? Yes X? No 6b. What data sources did you use to determine whether your site would impact Essential Fish Habitat? The South Atlantic Habitat and Ecosystem IMS web site. 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 Q 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? The National Trust for Historic Preservation web site and the NC State Historic Preservation Office web site. 8. Flood Zone Designation (Corps Requirement) 8a. Will this project occur in a FEMA-designated 100-year floodplain? ?X Yes ? No 8b. If yes, explain how project meets FEMA requirements: The culvert replacement is in the location of the existing culvert. The proposed culvert has been sized to handle the required design storm and has an energy dissipater. The dissipater will be placed no higher than the original streambed. 8c. What source(s) did you use to make the floodplain determination? The J series FIRM panels 0851 and 0861. M. ' ' oq Applicant/Agent s Printed Name Applic nt/Agent s Signature Date (Agent's signature is valid only if an authorization letter from the applicant is provided. Page 10 of 10 SAMPLE AGENT AUTHORIZATION FORM PROPERTY LEGAL DESCRIPTION: STREET ADDRESS: U,21 n Please print: 1 Property Owner: AAL._...(` [" C-9G,Y (A Property Owner: The undersigned, registered property owners of the above noted property, do hereby authorize of. (Contractor / Agent) (Name of consulting flrm to act on my behalf and take all actions necessary for the processing, Issuance and acceptance of this permit or certiflcation and any and all standard and speclal conditlons attached. Property Owner's Address (If different than property above): Telephone: We hereby certify the abovd Ihformatlon submitted In this application Is true and accurate to the hest of our knowledge. Authorized Signature Date: z Authorized Signature Date: (( I ( i( c 2B 4 cn CO 283 82 r tint '?? l 4 ( ?s N v= M N ?. f,,..ar C oa CL M C U ? o w .? o w U X W 0o O u V CU } N Q LZJ V O Z w O. d J Q w w CL -J lz CL Q U in = V) ZT' Vc • J ?'• W ? J Q U o w ? m Z Z ddp^dd? 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't ~ ~ r` x 2' t 8 , ~ , w., y1 ' ~'v~'a 1 t f` :~i , 1~ ! tj :f~ . ~ . V ~ ! ~ 't ~ i k a 2,76 4 ~ - GENERAL. NOTES: EROSION CONTROL AINTENANCE SCHEDULE: " 1. APPROXIMATE DATE FOR LAND DISTURBANCE ACTIVITY IS JULY 2009. 1. THE CONTRACTOR SHALL INSPECT ALL EROSION AND SEDIMENT CONTROL PRACTICES FOR STABILITY AND OPERATION WITHIN 24 HOURS FOLLOWING EVERY l i 6:~= .i ~T REVISIONS: RUNOFF-PRODUCING RAINFALL BUT IN NO CASE LESS THAN ONCE EVERY WEEK. I 2. SMALL GRAIN MULCH RATE TO BE PROVIDED AT A MINIMUM OF 2 TONS/ACRE. ~ f' ~ . ALL NEEDED REPAIRS SHALL BE MADE IMMEDIATELY TO MAINTAIN ALL PRACTICES AS ~ ~ _ ' - ~r .rte ti, 3. TEMPORARY SEEDING MUST BE APPLIED WITHIN THE SHORTER PERIOD OF 15 WORKING DAYS DESIGNED. INSPECTION REPORTS MUST BE SIGNED AND KEPT ON SITE. THE SITE " ~ =r~TA Y~, . ~ r f DAR DAYS AFTER ANY PHASE OF GRADING IS COMPLETED. PERMANENT tMLL ALSO BE INSPECTED BY A NORTH CAROLINA LAND QUALITY INSPECTOR OR HIS - ~F. ,i OR 30 CLEAN REPRESENTATIVE. ANY fAILURES IN EC MEASURES SHALL BE BROUGHT TO THE S rte' `y~j~v°' SEEDING MUST BE APPLIED (THIN THE SHORTER PERI00 OF 15 WORKING DAYS OR 90 TRUCT10N. INSPECTORS ATTENTION, r CALENDAR DAYS AFTER GOMPLET10N OF CONS 4. INSPECTOR REFERS TO THE. NORTH CAROLINA LAND QUALITY INSPECTOR OR HIS 2. THE SKIMMER SEDIMENT BASINS SHALL BE CLEANED OUT AND RESTORED TO THEIR r ° I N510NS WHEN THE LEVEL OF 5EOlMENT REACHES ONE-HALF THE ~ REPRESENTATIVE. FIELO INSPECTIONS MAY REQUIRE ADDiTIflNAI SEDIMENTATION AND ORIG NAL DIME IN PECTOR. HEIGHT OF THE FIRST BAFFLE. REMOVE OEBRIS FROM CLOGGED SKIMMER ARM, EROSION CONTROL MEASURES AS OEEMED NECESSARY BY THE S ~ ~ '.r ~ !i ~ BARREL PIPE OR ORIFICE IF NECESSSARY. INSPECT AND REPAIR DAMAGED ' I CONTROL DEVICES SHALL CONFORM TO BAFFLES, EMBANKMENT, SPILLWAY AND OUTLET, IF NEEDED. 5. CONSTRUCTION AND MAINTENANCE OF ALL EROS ON .r' - I ~ ~ R LINA DEPARTMENT OF ENVIRONMENT AND ~ r THE STANDARDS SET FORTH IN THE NORTH CA 0 / ~ r ' T CONTROL PLANNING 3. FOR HARDWARE CLOTH & GRAVEL INLET PROTECTION, CLEAR THE MESH WIRE OF jam--- '!J r'r NATURAL RESOURCES LAND QUALITY SECTION S EROSION AND SEDIMEN ANY DEBRIS TO PROVIDE ADEQUATE FLOW FOR SUBSEQUENT RAINS. TAKE CARE ..f' ~F ~v AND DESIGN MANUAL NOT TO DAMAGE OR UNDERCUT THE WIRE MESH DURING SEDIMENT REMOVAL. i f ~ y ~f REPLACE STONE AS NEEDED. t , ~ ~``j r ' 6. THE SITE GRADING CONTRACTOR 1S RESPONSIBLE FOR MAINTENANCE OF EROSION CONTROL _ Cj ` E E ~ t M THODS DURING CONSTRUC110N ANO THE OWNER IS RESPONSIBLE FOR MAINTENANCE OF ' M FROM BEHIND THE SEO! ENT FENCE WHEN IT - ~ a ~LL ~ ALL PERMANENT EROSION CONTROL METHODS AFTER CONSTRUCTION IS COMPLETE, IF ANY 4. SEDIMENT SHALL BE RE OVEO M { f; ~ r ~ ~ } ~ 0 2~ 50 Boa N~~~rH PERMANENT METHODS ARE REQUIRED. REACHES A DEPTH 0.5 AT THE FENCE. THE SEDIMENT FENCE SHALL BE E air= ~ w. . REPAIRED AS NECESSARY TO MAINTAIN A BARRIER, ~ _ ' a . ,,;r ~ NC GRID A ENTS RESENT MUST REMAIN CLEAR FROM ANY CONSTRUCTION. - ' ` 7. ANY DRAINAGE E SEM P ~ - ,,r' ~ f,,, ~ ; ~ , ~ SCALE:1 "=50' NAD ~3 5. ALL SEEDED AREAS SHALL BE FERTILIZED RESEEDED AS NECESSARY AND MULCHED f ' r~''i ~---m--~'--- ` '~~y""` 8. DISTURBANCE LIMIT'S SHALL NOT ENCROACH 1N TREE' COVERAGE AREAS. DISTURBANCE LIMITS ACCORDING TO PROJECT SPECIFCATiONS TO MAINTAIN A VIGOROUS, DENSE _ ~ " - RE M ~ ,N'.r - ~ A AT LI ITS 4F GRADING. VEGETATIVE COVER. ANY BARE OR DAMAGED AREAS MUST BE REPAIRED AND l X ~ . DATE: 5.l .09 OVERSEEDED IMMEDIATELY. A DENSE VEGETATIVE GROUND COVER MUST BE I - 'l „J ~ Y ' /r ~ ~ ~ ESTABLISHED BEFORE SITE CLOSEOUT. t ~ r 9. DUE TO DRAWING CONSTRAINTS, SILT FENCE (SF) ANO TREE PROTECTION FENCE (TP) WHERE - ' i SHOWN TOGETHER AS ONE LINE, ARE TO BE INSTALLED ON SEPARATE STAKES WITH AT y 4 ~ PROJECT NUMBER: 08x33 6. AFTER CONSTRUCTION, THE OWNER SHALL MAINTAIN ALL PERMANENT EROSION LEAST 3 FEET SEPARATION. ;'/49 ,t, CONTROL DEVICES 1N ORDER TO PREVENT ACCELERATED EROSION. THE ENTIRE SITE sS ~ ~ ~ FILE NAME: C-3.0 ERCNT PLAN,dwg 10, ANY AREAS THAT ARE SLOPED AT 3:1 OR STEEPER NEEDS SLOPE STABILIZATION. MUST BE STABILIZED PRIOR TO THE CLOSEOUT OF THE PROJECT. ~ ( CONTRACTOR IS TO USE ENGINEER APPROVED GEOTEXTILE FABRIC MATTING PER PROJECT I ''t, r,.r DRAWN BY: ALT SPECIFICATIONS. OTHER APPROVED METHODS MAY BE ACCEPTABLE. CONTRACTOR IS TO 1 ' -"w EROSION CONTROL SEQUENCE: ~ ~ ~ ;f K ~ *y i CONTACT THE ENGINEER TO DISCUSS. 1. CONTACT NCDENR LAND QUALITY BEFORE ANY WORK BEGINS ON SITE. ~ ~ S I ` ~ 1~~~~ ~ ~ ~ w ` APPROVED BY: CBM GRADING NOTES: _ P ; ~y ~ ~ ~ 2. OBTAIN PLAN APPROVAL AND OTHER APPLICABLE PERMITS. ~ ' ""~`rr ,i,~ 1. PROTECTION OF EXISTING VEGETATION: AT THE START Of GRADING t ~ ~ i ~ # ~ 1 ~r~ ~ ~ - TITLE: GRADES AROUND A TREE OR ~ ~ f - iNVOLVING THE LOWERING OF EXISTING 3. FLAG WORK OMITS AND MARK TREES TO BE SAVED, IF ANY, FOR PROTECTION. ,t- ~ - ~ ' ! r STRIPPING OF TOPSOIL A CLEAN, SHARP, VERTICAL GUT SHALL BE MADE ° .1 . ~ r"'"y'±~: ' ~ 1 T THE EDGE OF THE TREE SAVE AREA AT THE SAME TIME AS OTHER ~ ~ ~ ' ` ~ t A 4. HOLD PRE-CONSTRUCTION MEETING WITH OWNER ON SITE, AT LEAST ONE WEEK PRIOR TO , ~ ~ ° ; ~ f ' ~ EROSION CONTROL MEASURES ARE INSTALLED. THE TREE PROTECTION THE START OF ANY LAND DISTURBING ACTIVITY. . ' = ` , t FENCING SHALL BE INSTALLED ON THE SIOE OF THE CUT FARTHEST AWAY .t ~ r,r*-' ~ ~ [ , . ~ . V , FROM THE TREE TRUNK AND SHALL REMAIN iN PLACE UNiiL ALL ~ ~ - ~ i<, F TREES IS COMPLETE. NO 5. INSTALL CONSTRUCTI0N ENTRANCE, SILT FENCE AND OTHER TEMPORARY EROSION CONTROL p~~ - CONSTRUCTION IN THE VICINITY 0 THE _ . ~ ' - ~ _ ` ~ ER~S~C~N STORAGE OF MATERIALS, FILL, OR EQUIPMENT AND NO TRESPASSING DEVICES. ALL EROSION CONTROL MEASURES SUCH AS TEMPORARY SKIMMER BASINS & ~ ,i' tt , 1 : SHALL BE ALLOWED WITHIN THE BOUNDARIES OF THE PROTECTED AREA. DIVERSION DITCHES SHALL BE SEEDED, MULCHED, ANO ANCHORED UPON INSTALLATION. ~ ( 1.. ~ CC~NT(JL 6. CLEAR AND GRADE SITE. ~ : ~ ~`v GA GATE ~ 2. TREE PROTECTION NOTE: TREE PROTECTION FENCING MUST BE IN PLACE < \ ~ - 8~y~ PRIOR TO ANY DEMOLITION OR LAND DISTURBANCE. ! I (r'. ,s~~ ~ ~ ~ ~ ~ ~ FLAN 7. PROVIDE GROUND COVER FOR ALL DENUDER AREAS WHICH WILL NOT BE DISTURBED BY ~ • ; f RTH R ONSTRU TION. ~ r ~ 3, R00T ZONE PROTECTION AREA: EQUALS 1,25 F04T OF RADIUS FOR FU E C C ~ r,,l, r ; ~ iJ1 A,Y !l ~ Y_„_ ~ ~ EVERY INCH OF DIAMETER OF EXISTING TREES, OR SIX FOOT RADIUS, ! nY 8. INSTALL STORM DRAINAGE SYSTEM AND INLET SEDIMENT TRAPS. I-V -N a 7 „ _ WHICHEVER IS GREATER. NO DISTURBANCE ALLOWED WITHIN THIS AREA. r -~Z 9. COMPLETE FINAL GRADING. NOTE: THE ENURE DRAINAGE AREA TO THE SKIMMER BASINS IN F 1 E i 4 NO GRADING OR LAND DISTURBANCE ACTIVITY (INCLUDING FILL) SHALL BE SHALL BE STABILIZED BEFORE BASINS ARE REMOVED AND FILL IS PLACED IN THAT AREA. 7 x WE x ALLOWED IN THE FLOODPLAIN PRIOR TO CONSTRUCTION DRAWING GRAPHIC SCALE SHEET: -2. APPROVAL. 10. REMOVE ALL TEMPORARY MEASURES AS DIRECTED BY THE OWNER AFTER THE SITE HAS 20 0 10 20 40 BEEN PERMANENTLY STABILIZED AND APPROVED BY THE NCDENR INSPECTOR. PB 173 PG 261 a--. 5 CONTRACTOR IS RESPONSIBLE FOR DISPOSING OF EXCESS MATERIAL FROM ! i STOCKPILE AREA IN A PROPER MANNER. EXCESS SOIL MATERIAL IS NOT 11. CONTACT PERSON RESPONSIBLE FOR EROSION CONTROL MEASURES MAINTENANCE: ERNIE TO BE SOLD. MITCHELL, 336.706.1495. I in. = 20 ft. i F C~N5TRUCT6®N DOCUMENTS STEEL FENCE POST NOTES: tMRE FENCE 4a HARDWARE CLOTH 1. {NSTALL TREE PROTECTION FENCE & SIGNAGE PRIOR TO CALLING FOR THE INITIAL ON-SITE INSPECTION ° FILTER OF 1" DIAMETER BY THE NORTH CAROLINA LAND ro I I ® rar M WASHED STONE QUALITY INSPECTOR OR HIS REPRESENTATIVE. ~ • G 3' FILTER FABRIC ro c ora ON GROUND 2. WARNING SIGNS SHAD. BE MADE OF DURABLE WEATHERPROOF MATERIAL. Ara OS roes ~c ~ ~ 3. LETTERS SHALL BE 3" HIGH MINIMUM, CLEARLY LEGIBLE, AND.SPACED AS ~ BURY WIRf FENCE BURY 6" OF UPPER EDGE OF SHOWN. NO SCALE AND HARDWARE ~ FILTER FABRIC IN TRENCH 100' MIN. 4. SIGNS ARE TO BE PLACED NO GREATER CLOTH VICINITY MAP: THAN 200 FT. APART, ON-CENTER. a 3N SECTION VIEW , M VAR{ABLE-AS DIRECTED 5. PLACE SIGN AT EACH END OF LINEAR ree ro ec Ion rea STEEL POST TREE PROTEC110N AREAS AND 200 BY ENGINEER ~ r - NTER THEREAFTER. _ ~ ~ ' FT. ON CE 25 OR WIDTH OF 8 O.C. MAX. MEN WIRE FRAME y m EXISTING r. ~ > VAR. ® Q n er CLEAN SUR ~ . PROPOSED .STREET, 6. FOR TREE PROTECTION AREAS LESS ROADWAY - , ; 8 WHICHEVER IS 32" MIN. WIDTH ~a MIN ~ SILT. FENCE THAN 200 FT: !N PERIMETER, PROVIDE "v SILT FENCE FABRIC NO LESS THAN ONE SIGN PER AREA. GREATER. 14 ga. HOG W{R J SIGN DETAIL F F (Gf0-TEXTILE) SSE ne x ALE x 7. ATTACH SIGNS SECURELY TO FENCE NO SC ~ w POSTS AND FABRIC. I i ~ POSTS MAY BE EITHER ~ o ~ ~ ~ COMPACTED ~ w m SOIL °r~ 8. MAINTAIN TREE PROTECTION FENCE 4"~ PINE, 2"~ OAK, ~ d OR 1.33 LB/LF STEEL PLAN v. ~ ~ ~NO~ TOP OF SILT FENCE THROUGHOUT DURATION OF PROJECT. is WEATHERPROOF SIGN AS ~ a N ~D MUST BE AT LEAST 1` 9. ADDITIONAL SIGNS MAY BE REQUIRED SHOWN ABOVE; SEE NOTES EXISTING 75' MlN. 25' MIN. NEW CONSTRUCTION ABOVE THE TOP OF w~,~ ~ , THE WASHED STONE BASED ON ACTUAL FIELD CONDITIONS. FOR CONSTRUCTION AND ROADWAY STEEL POST SPACING INFORMATION ~f)~f~'~r' 2 DEEP ORANGE, UV RESISTANT 8" MIN. 5~ 5'-0" O.C. MAX. HIGH-TENSILE STRENGTH . , , , , ANCHOR BURLAP RLAP ~f, FRONT VIEW BURY WIRE FENCE, 1{1llttil/~ POLY BARRICADE FABRIC '%%%i~~~~~?.fd.,/,.,r'~~.~'~,1~~1 ~.~;~"~/~;/,%c'~~`l hfft.!~`.~4'-fx/r,.' 6" MIN. ~~o 6 MIN. 12" MIN. .!`~,(r 'f~' ~ FILTER FABR{C, SEAL: ®1t1 •!`~`Cr ~ ` WING NOT TO AND HARDWARE CAf~ NOTE: Tree Pr~oteCtlOn Area _ USE GEOTExTILE 2"-3"0 SURGE 4 MIN. CLOTH iN TRENCH ~ p. SIGN FABRIC UNDER- COMPACTED ~ STEEL POST TO BE STONE (TYP,) FRONT VIEW DRIVEN 2' BELOW " STEEL FENCE POST :r DO Not Enter LAYMENT SUBGRADE GRADE. S~~ SIDE VIEW SET MAX 2' APART 03 059 5~'t„~ 1 MIN. 1$ INTO SOIiD _ _ M NOTES: CROSS SECTION GROUND r o:~? Q-•~~~ 4 MIN. (1) FENCE FABRIC WIRE SHALL BE A MINIMUM OF 32 INCHES IN WIDTH AN ES IN WIDTH AND SHALL ~~~®,j®~(~°~•,°~~ NOTES: HAVE A MINIMUM OF 6 LINE WIRES WITH 92" STAY SPACING. ACING. ,~1111l114'I~ti' (2) SILT FENCE FABRIC SHALL BE STD. GEOTEXTILE WEIGHT FABRIC AND f FABRIC AND NOTES: ° ' S RG OR BALLAST 2"- "id STONE S " U E ( 3) SHALT. BE U ED AREA TO BE 100 L x 25 W x 6 D AT A MINIMUM. A MINIMUM WIDTH OF 32 . (1) FENCE FABRIC 'MRE SHALL BE A MINIMUM OF 32 INCHES IN WIDTH AND SHALL CLIENT: " EXISTING 3 D A ATELY TO THE FABRIC AS DIRE( . _ _ ()HOG WIRE SHALL BE FA5TENE DEQU ~ ' GRADE PLACE GEOTEXTILE FABRIC UNDERLAYMENT BEIYVEEN SOIL SUBGRADE AND STONE INTERFACE. THE ENGINEER. 'ABRIC AS DIRECTED BY HAVE A MINIMUM 6 LINE WIRES WfTH 12" STAY SPACING. (2) SILT FENCE FABRIC SHALL BE STD. GEOTEXIILE WEIGHT FABRIC AND THE SELF-FASTNER ANGLE A MINIMUM 4NDTH OF 32". ~ - ~ ~ I ~~I ~ TURNING RADIUS SUFFICIENT TO ACCOMMODATE LARGE TRUCK IS TO BE PROVIDED. (4} STEEL POSTS SHALL BE 5 -4 IN HEIGHT AND BE OF THE SELF ASTI M~lI ii I ~ EXISTING -I ~ ~ ~ ~ Ill STEEL TYPE. (3} HOG WIRE SHALL BE FASTENED ADEQUATELY TO THE FABRIC AS DIRECTED BY ~ E SUBGRADE 2' MIN ' •~.I ~ ~ I ENTRANCE(S) SHOULD BE LOCATED TO PROVIDE FOR MAXIMUM UTILItY BY ALL CONSTRUCTION VEHICLES. (5) REMOVE WHEN VEGETATION IS ESTABLISHED. THE ENGINEER. ENTRANCE MUST BE MAINTAINED IN A CONDrrION WHICH WILL PREVENT TIPACKING OR DIRECT FLOW OF ° ~ ~ i I-- 6 PAN N STEEL POST IS 8 0 . (4) STEEL POSTS SHALL BE 5°-0" IN HEIGHT AND BE OF THE SELF-FASTNER ANGLE STEEL TYPE. ~ (}MAXIMUMS CI G BETWEE ~ MUD ONTO STREETS. PERIODIC TOP DRESSING WITH STONE WILL BE NECESSARY. i ~ ~ (7) SILT FENCE DRAINAGE AREA OF 1/4 ACRE OR LESS PER 100 LF. FOR ANY MATERIAL WHICH STILL MAKES IT INTO THE ROAD MUST BE CLEANED UP IMMEDIATELY. ~ AREAS UP TO 1/2 ACRE, INSTALL 4' ROCK OUTLET :R 100 LF. FOR DRAINAGE (5) REMOVE WHEN VEGETATION IS ESTABLISHED. 3 < <w. 1 (6) MAXIMUM SPACING BETWEEN STEEt POST IS 8°-0". 1 C®NSULTANTS: C TRUGTIN ENT NGE TE PG ILT FENCE TREE PGTECI E CING 2 3 4 PO TLET SILT FENCE C6.1 SCALE: N.T.S. C6.1 CALE: N.T.S. C6.9 SCALE: N.T.S. C6.1 SCALE: NJ.S. S i WedarlaPl~a 51P.~.7440 ~oow t~mR~,s>a.~o ~com M URES f SURFACE STABILIZATION EAS SEEDING WILL BE COMPLETED IMMEDIATELY FOLLOWING SITE RECLAMATION AND PRIOR TO PROJECT COMPLETION. TEMPORARY OR INTERMEDIATE SEEDING, MULCHING, MATTING, OR OTHER SURFACE STABILIZATION MEASURES iMLL BE PLACED ON DISTURBED AREAS FOLLOWING fNITfAL SAIL DISTURBANCE. PRIOR TO SEEDING, ALL SURFACES MALL BE SCARIFIED TO A DEPTH OF FOUR TO SIX INCHES TO ENHANCE SEED GERMINATION AND HELP IMPEDE STORMWATER RUNOFF. ~ / SKNdMER IS TO ~ A SURFACE DEWAIERING EMERGENCY SPILLWAY CtM•1SIRUCTED OVER SEEDING MIXTURES WILL BE TAILORED TO SITE-SPECIFIC CONDITIONS, ~ DENS SUCH AS ~tP SKIMM6t QR APPROVED UNDISTURBED GROUND AND ARMORED DENCE. WITH IDP RAP ~ STEEPNESS OF SLOPES, CLIMATE, LOCATION, AND ELEVATION. TYPICAL cam' SEEDING GUIDELINES ARE AS FOLLOWS: . . I .i ANT SCREEN ACCESSIBLE ! \ ~ ~ 'IFEiauGH DOOR ! ~ ~MENT TRAP ~ ^ lal~ ~ FEBRUARY THROUGH MID-APRIL 4' BAFFtE {TYP.) KY-31 TALL FESCUE 120 LB/ACRE ~,ti. ,t RIP RAP DISSIPAiOR PAD REVISIt3NS: 30 LB ACRE ~ SERICEA LESPEDEZA (SCARIFIED) / KOBE LESPEDEZA 90 LB/ACRE ~ b° > EACH POMlT ~ DISCHARGE INTO (RA( FLElOBLE JOINT OAT ` ~••-~::c:~ (RADIAIOR HOSE} 1 - - MID-APRIL THROUGH JULY SKINNER BA9N IS TO BE STABILIZ@ KY-31 TALL FESCUE 120 LB/ACRE vmH A c~oTExntE FAa~c AND SERICEA LESPEDEZA SCARIFIED 30 LB ACRE ~P-RAP ouT~ET FNO: caNNECnoN ( ) / ro ouTLET wPE DR RL~A R.ET END: CONNECtION ~ s ~ SKIMMER. OUTLET PIPE OR RISER - ACRE ~ KOBE LESPEDEZA 10 LB/ BARREL PEE LONGER THAN ~ OUTLET PIPE SHOWN. ~ . , NOT INCLUDED WITH SPANNER > SUPPLED BY US~t, - • r, _ ~ ~ ~ ` EAR1H DAM AUGUST THROUGH JANUARY KY-31 TALL FESCUE 120 LB/ACRE •S~K R DETAIL SERICEA LESPEDEZA (UNSCARIFIED) 50 LB/ACRE NOG MORE ATTACH 36X OF~1HFa~ eAFFl.ES KOBE LESPEDEZA 10 LB/ACRE ~ ~ LENGTHS HORIZONTAL METAL POST U SPECIAL EXCEPTIONS MAY BE ~@rs ~t~1RElr To vERTICaL FIRST ChfAMBER AYE RG ASS SHALL IIQI, BE SED 25x DF DACE AREA i'-0" MINIMUM ALLOWED ONLY WITH THE APPROVAL OF THE ENGINEER AND SHALL BE INS'[~,~;~Tl~d -STEP 1 BAFFTFS SKIMMER FREEBOARD TOP OF DAM WATER LE11El. CONSIDERED "TEMPORARY" SEEDING ONLY. PR10R TO COMPLETION OF aa~s,R RIP RAP sECaND cHAM~R % 25ffi of SURFACE ~VREA PROJECT, ALL AREAS SEEDED WITH RYE GRASS SHALL BE RESEEDED FOR I `/~~i ~ ® f1~~~~ ~ EMERGENCY SPILLWAY ELEVATION PERMANENT STABILIZATION PER ABOVE SCHEDULE. Aso ~ ~RFacE !\J~` F~\~ ~ / MDIIMUM SLOPES 2-t/2 : i 1. DRIVE 5' STEEL POST AT (EAST 24' %1~/j NURSE CROPS SHALL BE ADDED TO AID THE ESTABLISHMENT OF INTO SOLID GROUND. FENS AND FABRIC \j\\/ ~~i~` DEWA'IEIDNG ZONE , RP RAP DIS'BPATGR PAD of t~~~\'~ti~,. ~%'~:~~'~~r~\`'l\ PERMANENT VEGETATION. GENERAL GUIDELINES FOR NURSE CROP 2 usE STAPLES r APART HoRIZ~1TALLY BURIED M TRENt2i ~ f ~'ri:~~,~ ~ ~ 0 30 - 60 120 C®GR D SEEDING RATES ARE AS FOLLOWS. AND YERRCALLY TO ATTAfZi THE FABRIC T,~ 8` ~ 3. sPA(~ TNEGBAFFIES ACCWiDING TO TtiE ~?~~pEC11VE VIEW ERO~oN coNTROI ; ,.~f~~i t~~,f~,~~~f' ~4~,~~j~ ~ ~ s . r r' ~ r., ;r°-'~` . ~ r ~ SCALE; 1" = 60' ~3 T APPROVED PLAN. MATTING srAPLES MAY THROUGH MID-AUGUS 4. THE FLOOR OF THE BASTN IN THE r~/~~ f//\/f~ r~f~°/,'~~,r',/~Sffr/`•l~,r/, ~%f~l°/lj',~f~r~,r,~f~/~'' ` •r~'/,/~,//~lj/~~`~/~'~~'a~;~,r~/,/`;v, \~`r~ \,!?f;,'~`°;~j`~yF\~~''`~,j, GERMAN MILLET 10 L.B/ACRE OUTLET ZONE AND BERMS SHOULD BE TOP ~ FABRIC sHa~LD 8E 8 ~@@ IMM@IATEI.Y AFTER THE BASIN ABOVE THE INVERT OF THE \~./~~\~?\Fl~h,1v,,Ft`!~\s ~„\~11,~../,~.Iw~?; 5\f\\ ,.~','eJ~,\!',\.~~1~~,rs \~!,`t//.\~/,\~.°,\~~~./~1,1~/,\/f!.'~ifF FIVER FABRK: OCK PAD FOR OUTtE1• PIPE DATE: OS.O1 A9 IS CONSTRUCTED. SPIUYlAY, TOP BAFFLES MID-AUGUST THROUGH APRIL 5. EMERGENCY SPILLWAY REPRESENT@ Bi ~ r " F¢, ' SHOULD BE 2" LOMER THAN a°x8° TRENCH, SKIMMER TO REST ~ RYE GRAIN 40 LB ACRE 'MIS DETAIL IS FOR IuUSTRAT#YE THE TOP OF THE tS BATZSFq.LED AND N / PURPOSES ONLY. Fit Ci.ARIFiCAtIOtd COMPACT@ ~DIMINT sioltAGE AREA CR®SS ~CTi~ PROJECT NUMBER: 08133 S~ DETAIL 8 FOR MORE INFORMATION. BAFFLES MUST BE 70D IN THE ABSENCE OF SOIL TESTS, FERTILIZER AND LIME WILL GENERALLY wEla~r WOVEN caR ELAN BE APPLIED AT THE FOLLOWNG RATES: FILE NAME: C-2.1 &2ErosionDetails.dw 10-10-10 FERTILIZER 500 L.8/ACRE _ DESIGN SUMMARY -TEMPORARY SKIMMER BASINS GROUND AGRICULTURAL LIMESTONE 2404 LB/ACRE DESIGN SUMMARY -BAFFLE SPACING DRAWN BY: TRM LIQUID LIME OR ALTERNATIVE FERTILIZERS MAY BE SUBSTITUTED iN ~ TSB# MIN. # MIN. DISTURBANCE DRAINAGE STORAGE SURFACE MINIMUM GENERIC FAIRCLOTH FAIRCLOTH RISER OUTLET PIPE VELOCITY VARIOUS 51TUAiTONS. MULCH OR MATTING SHALL BE APPLIED TO ALL ! SURFACE SE®ED AREAS TO AID IN THE ESTABLISHMENT OF VEGETATION AND TRAP # INLET CHAMBER 1 CHA BER 2 OUTLET DIMENSIONS SURFACE LIMITS AREA VOLUME AREA REQ'D. DEPTH SKIMMER SKIMMER ORIFICE DIAMETER DIAMETER DISSiPATOR APPR®VED BY: CMM DIMENSIONS (AC•) (AC.) REQ'D. (GF) SF (FT.) DIAM. (IN.) DIAM. (IN.) RAD{US (IN.) (FT•) (IN.} AD (LxWxD HELP IMPEDE EROSION, VEGETATIVE MULCH, TYPICALLY WHEAT OR OAT (FT.) (FT.) T.) (FT.) 70'X35' 1.27 1.27 2,279 2,178 3 - 1.5" 0.6" - 4" 1,33°x1'x12" STRAW, SHALL BE APPLIED AT THE RATE OF 3,000 TO 4,000 LBS/ACRE. #1 70'X35' 9 24.5 17,5 7.5 90.5 ~2 70'X45' NOTE: SEEDING FOR GROUNDCOVER ON EXPOSED SLOPES SHALL BE 70'X45' 1.70 1.70 3,080 3,150 3 - 1.5" 0.6" - 4•" 1.33°x1°x12" TITLE: PERFORMED WITHIN 15 DAYS FOLLOWING COMPLETION OF ANY PHASE OF 2 24.5 17.5 7.5 10.5 I GRADING. 7 P Y SKI E I I I TES BAFFLES FORT IMM I SEE 6 5 C6.1 SCALE: N.T.S. C T C6.1 SCALE: N.T.S. C6.1 SCALE; N.T.S. ET I I SHEET: C-2.1 I - - _ - - CQNSTRUCTICIN DG~CUMENTS F?~W 24" MIN ~'~E~a I ~ 1 E -••1 s ' A: DITCH EXISTING SLOPE , VARIES _ 24" MIN 24" MIN ff ~r , , VICINITY MAP: RIP RAP #57 STONE 4' MAX SPACING CLASS B STANDARD 5' METAL POSTS '-O" IN GROUND SLOPE 3:1 FLOW ~ i ~ KEYED CLASS B ~ N0~ WA E CLOTH, MAX ~ ~ ,J 19-GAUGE HARD VARIES ~ ~ ' ~ k~' RIP RAP F,., ~O- ~i ! j y4" MESH OFENINGS~ 2' ABOVE ~ I I ~ OF THE MAX. 24•" ii' NOTES: ~-~-E ~ I---•=fir-~~__;~, , INLET, WITH A 2 FL(+J' ';-l,1-~ i l ~ I-.-~! , ~ WIRE MESH UNDER E GRAVEL t. HEIGHT AND WIDTH DETERMINED BY I ~ 1 FOR ANCHORING EXISTING TOPOGRAPHY AND SITE ~ =1 ! i COMPACTED FILL SEDIMENT STORAGE REQUIRED. SECTION 2, KEY RIP RAP INTO THE DAM ~~o FOR STABILIZATION. ~ VEL B '.RM DITCH - B: GRA L_.___ ~ s 3. L =THE DISTANCE SUCH THE POINTS A AND B ARE OF EQUAL ELEVATION Y o0~ p ~ I Flu U ~ w,~ COMPACTED - G A B 24" MiN ~--24 MIN , ° , Nrs E OPE 3.1 ~ SL / FLOW ~ ~ ~~i~ . ~ ~ , MAX ~ \ ~ ~~~/~`,,~~`~~j`~f~~~i~`'/~'`//~/ ! r. ~ 1/2~ 1 ill „~~~r.~ia.,`~~~!~,~.~~j~~,~ X57 WASH ~ N sEAI: ®`®~~~~~~,,,/!f EXISTING ~ J/,,~/~\~'\~'~t STONE ~ ° ° Imo{ ~ ICI! ! ~ I ~i I sl SLOPE ~,~j,/~. ~x ~ $ ° ~ r,~r~~~/~,~~j~~f ~ ~I2 ~ ~ ~ SEAL 9~'. 6" 'FLm~~~ = ~ 57 WASHED STONE PLACED TO A ~ " TOP HEIGHT OF 12 -18 MINIMUM ABOVE C: SOIL BERM DITCH of Box ~ ` RIP RAP '~®~It1IIIIttt`o~e` 4'T06' T TI i LET P 2 POSITIVE GRADE MUST BE PROVIDED TO ASSURE DRAINAGE. i. C6.2 SCALE: N,T.S. SIDE VIEW CLIENT: ALL DNERSIONS SHOULD BE SEEDED AND MULCHED IF SLOPE EXCEEDS 2%, USE EROSION CONTROL MATTING. TRY NOT TO EXCEED 5~ (HIGH VELOCITIES RESULT). MAXIMUM D.A. = 5 ACRES WITHOUT SUPPORTING CALCS. DVERSIONS HECK 3 ~ r .i1 AT THE TOP OF SLOPES MUST EMPTY INTO AN APPROVED SLOPE DRAIN. SOIL BERM/DITCH IS MOST COMMONLY USED. ;i C6.2 SCALE: N.T.S. t ~ 2. MACHINE COMPACTION OF ALl FILL IS REQUIRED. DVERSIONS SUFFICIENT TO DIRECT ALL SEDIMENT-LADEN STORMWATER INTO A SEDIMENT CONTROL DEVICE MUST BE INSTALLED PRIOR TO CLEARING AND GRUBBING OF THE AREA C(3N5ULTANTS: OR IN CONJUNCTION WITH THIS OPERATION 1f SEDIMENT f ( INS ARE INSTALLED A5 EACH I CONTROLS AND ONERS 0 CRITICAL POINT IS REACHED). 3. DIVERSIONS SHOULD BE LOCATED TO MINIMIZE DAMAGES BY CONSTRUCTION OPERA71ONS. 4. DIVERSIONS SHOULD BE SEEDED AND MULCHED IF THEY REMAIN IN PLACE OVER 30 DAYS. ICE AFTER EACH RAIN, BUT ONCE A WEEK REPAIR 5. CHECK DEV AS NECESSARY. ~,~?cl> g ;;.i 819~&?446 14 DITCH _ y ~!~'~2~~tr e~~~••>i~ Y~edludaPl~ y s,..-,a~.irS%~ F~;7(~g~{"/~',,~:~,~,::lla`I 22~OW~IOSG,Sb.560 9'19286.18 '~~(~Gdr~tn~~ A l ~A ~ -,}?'a~.s~ V{°~ROM 19V~ ®111f.1~1~1 11`x" , A, IVRS T NOTE; ALl PARTIALLY COMPLETED 1 STORM DRAINS SHALL 8E PROTECTED A C6.2 SCALE: N.T.S. AT THE END OF EACH DAY IN ACCORDANCE WITH THESE DETAILS. T PI T PIPE ~,sY>~`~7.,',~a~ ~ ,~'t . W 3 x I.D (MIN.) I.D. ~ I.D.+Q4LIMIN.) ~ r ~ a; LD. ~,tu ~ ~ ~ rug ~y°~' E UPSTREAM END OF OVERFLOW 5Jr ~'J r g, ~ !l' STORM DRAIN 1 • ? 1/3 PIPE DIAMETER ,'ta• .a, f ~ ;w ' 12" MIN. I P 0 ~ U. ' ~ t jL '~I t~ 1 « /I ~ .ii" i 1 1 f:~ti. f. . , , REVISIONS: 4 L .I _ I.. 3/4" EXTERIOR 2"x4" SUPPORT PIPE ;I < ~ - BURY BOTTOM PLYWOOD POST (TYP.) OF PLYWOOD ~ PLYWOOD INLET PROTE ~~.~-vr F J~ ref ~ ~~~j ~.r ~ ~ ` i7. - / <_1 ! y ~ FIU'ER ~ - STEEL FENCE FABRIC - UPSTREAM ~ POST (TYP.) ~ S$C'1'ION'A-A° END OF STORM DRAIN OVERFLOW "f'' ~ ` •r ' 1 3 PIPE DIAMETER ~ A f : ~ , / A FILTER BLANKET OR FILTER FABRIC • } ~ d• e• .a S• ~ , ,y e SHOULD BE INSTALLED BETWEEN THE d 30 b0 12Q NUTH 12" MIN, f R{P .a~ .r• R{PRAP AND SOIL FOUNDATION. NC GRID SCALE: 1" = b0' ~ ~ tl i • DE - DESIGN SUMMARY -APRON DIMENSIONS ~ DATE: 05.01.09 SILT FENCE FABRIC W/FINE WIRE BACKUP INNER PROJECT NUMBER: 08133 WIDTH LENGTH DEPTH NCDOT WASHED STONE FILTER k DIAMETER (FT.) (FT.) (IN.) STONE FILE NAME: C-2.1 &2ErOSionDetalls.dw ACROSS PIPE INLET STONE FILTER INLET PROTECTION (IN.} CLASS I 18n 4' 6' 12" A DRAUVN BY: TRM I OTECTI® 24" a' 12' 18" B APPR®VED BY: CMM PIPE INLET P TE RARY 4 48" 20' 40' 36" 2 C6.2 SCALE: N T.S. TITLE: 5 5 L E ~ C6.2 C6.2 SCALE: N.T.S. E I C T L T IL SHEET: X2.2 i _ I CONSTRUCTION DOCUMENTS - € F I s I * SI K TAPERS 5' BACK FRON DRIVEiNAY, f eulto ryas Poi BUILD THIS PORTIQN QF DRIYEYI64Y PAYENENi f T T' I ONLY A LOCH i ONLY AT LOCATIONS WHEN DIRECTED. X5'•0" WIO WIDTH ~ DRIVEWAY *5'•Q" SIDE SLOPES SHALL BE LESS THAN 3:1 TYP. UNLESS OTHERWISE INDICATED 1 t ON LAYOUT PLANS. CUT ANO FILL SLOPES SHALL TIE INTO EXISTING SLOPES ~ *SIDEOALK *SIDEWALK t TO CREATE AN EVEN TRANSITION. ~ (OPTI~AI.) ~oPrIQNALy ~ VICINITY MAP: i OISSYPATE CURB ~ i. BE THESE tIM%TS DISSIPATE CURB BETWEEN THESE UNITS ~ 6' WIDE STANDARD i ~ SCALE WITH t1' DEEP ~ 1 DIVERSION DITCH. 8 ABC GRAVEL RAMS s'•o" oR RADUIS a'•o° ~ As N s SIDE SLOPES ARE 3:1, Y " ~ " ~ i 2 _0 20,-0„ 2 -0 I ~ AREA a SHOULDER SHOULDER ~ ~ AREA SITE i } CURB i i ~ ~ ~ ~ " ~ ~ ~ o~~f~ 6 t2~ MAX CROSS SLOPE ~ 1~" EXPANSION JOINT "EXPANSION JOINT w~`0~"wri" ~ / / r-~ ~--STREET PAVENENT-~ ~ NTS / / / / / / / II \ \ ; , \r\r~~~~ \~~~\r\r\~\/\\\\\\\~ - SEAL: ®`®®~r~~~,e~ \ \ \ ~/i. / /i,/~,//. r/ / / GEOTEXTILE FABRIC, PER SPECS I 1, 1 y~ YARIABLE~SEE~SHEET 6" 2'-0 COMPACTED I OF 2 ORF DRIYEi~AY ~RA~sD fl34059 ri 1°=" ABG EXTENSION CLEAN BACKFiLI D~TA~ SUBGRADE (SEED PER SPECS} 2" DEEP CUT I ~p.P '.D .O•~. NOTES: 1 , 1. CROSS SLOPE DIRECTION VARIES. SEE LAYOUT PLANS FOR DIRECTION OF i ' EXISrINS IN1I Y NOTES: DIES: 2~•S" PROPOSED ®sltlittfllli\ SLOPE, - } j PROPOSED DRIVEWAY PAVEMENT VARIABLE PAYENENT 2. CONTRACTOR IS RESPONSIBLE FOR RE-ESTABLISHING ALL SLOPES PAVEMENT 1. THE EXISTI I DISTURBED BY CONSTRUCTION. THE EXISTING PAVED STREET RAOIt~ a'•Q" QR As CLIENT: ( (STALLINGS H TI GUTTER. (STALLINGS RD.) HAS NO CUR@ AND PLa~s GUTTER. ORYVEWAY THE PAVED APRON SHALL TRANSITION ~IEH EXISTII~ ~ tl PAV NT IS BETE, 2. THE PAVEC SAKI CUT 2" CEP JOINT AT THE POFNt OF TIE-IH. INTO A G>~ INTO A GRAVEL ACCESS DRIVE. BUILD TNIS PORTION OF ~tIYEl114Y I JOINT PERPEI~ICULAR ro ESE DF EXISrIN6 1 f~ti Y PAVEMENT. PA SLY AT LOCATI~ WHEN DYRECTED. + C6.3 SCALE: N.T.S. ~ - CTS A 1` : ' I I I 2 T ~ T T ~ C6.3 SCALE: N.T.S. oLE: N.T.S. CONSULTANTS: _ I I avdr" I aN/ ~ n9. f PIS ~~.r'~o ~oow ~~~o ~s~ ,t~2Tllll55 wwr E i ~ 20' 4a" ------104'-0" B" THICK CONCRETE LEVEL PROPOSED GRAVEL DRIVE SPREADER LIP ELEV. 275.4 4 ~-4 i 3 THICK LAYER OF NCDOT X57 WASHED STONE INV. IN; r\r r \ ~ INV. OUT: 4" NOTES: ~ 268,15 r 257.68 ~ .tt 5 'mow l~•k:;:•~'As,., ~;w ~;',w a:' •:yt. H; ti.~)"S:w~ , ~ 1'>''° .:S V ' . ~:~i " SPREADER LIP CONSTRUCT THE LEVEL LIP ON UNDISTURBED 5011 TO UNIFORM :~=ti~a •~r ,ry4Q LF 48 RCP. 1.x Ea: ,c titi , ' ~ ~ • • ti nyti;,.; HEIGHT AND RO GRADE OVER THE LENGTH 4F THE SPREADER. PROTECT IT REVISIONS: #57 WASHED WITH AN ER SIGN RESISTANT MATERIAL SUCH AS SURGE STONE TO PREVENT OT ; MAINTAIN 18" COVER MIN. X57 WASHED STONE BEDDING EROSION, TO fCOME ESTABLISHED. N E STONE BEDDING SECTION OUTLET AR THE OUTLET DISPOSAL AREA MUST BE GENERALLY SMOOTH AND REINFORCED SWALE 4NTH PIPE IS CULVERT UNDER e DRIVE WELL VEGEi TED WITH A MAXIMUM SLOPE OF 109'0. CLASS "A" RIP-RAP V T 1 IL LE 3 G6,3 SCALE: N.T.S. VEGETATE ALL DISTURBED AREAS CONSTRUCTI N SPECIFICATK)NS REINFORCED SCALE WITH ~ :D SWALE WITH CLASS "A" RIP-RAP. PLACE FlLTER F PLACE FLIER FABRIC 1. THE MATTI G SHOULD BE AMINUuIUM OF 4 FEET WIDE BENEATH RIP-RAP BASEr EXTENDING INCHES OVER THE LIP AND BURIED 6 INGiES RIP-RAP BASE. DEEP iN A RTICAI TRENCH ON THE LOWER EDGE. UP OF LEVEL SPREADER THE UPPER DGE SHOULD BUTT AGAINST SMOOTHLY CUT SOD AND B SECURELY HELD IN PLAC£ WITH CLOSELY ELEV: 271.69 SPACED H VY DUTY WIRE STAPLES AT LEAST 12 INCHES LONG. LIP SLOPED 0~-0.05 CHAMFER LJP OF LEVEL SPREADER 1" ON fl 6O X20 NORTH 2. ENSURE T T THE SPREADER IS LEVEL, FOR UNIFORM SPREADING t T 24» OF STORM UNOFF. DOWNSTREAM END NC GRID EXISTING GRAVEL DRIVE TOP OF SCALE 3. CONSTRUC~ THE LEVEL SPREADER ON UNDISTURBED SOIL. ELEV: 271.19 ELEV. 274,5 " (NOT ON FiL iris SCALE: 110 = 60' NAD 83 9'-3" 3" THICK NGDOT X57 WASHED STONE WITH 4 -~1 f" 4 FILTER FABRIC BENEATH DATE: 05.01,09 INV. OUT; 4n 4. CONSTRU A 20 FOOT TRANSITION SECTION FROM THE INV. IN: \ \ \ \ DIVERSION ANNEL TO BLEND SMOOTHLY WITH THE WIDTH 271.35 r ~ /~r r 270.19 AND DEPTH#OF THE LEVEL SPREADER. ° EXISTING GRADE PROJECT NUMBER: 08133 ,w~ ,•rr ;28.96 LF~24 RCP..xijs,~. .+.~,n• 5. DISPERSE R ~ NOFF FROM THE SPREADER ACROSSA PROPERLY 24" RCP INLET #57 WASHED STABILIZED LOPE, NOT TO EXCEED i0%, MAKE SURE THAT INV: 270.19 tLET a • : a.'' FILE NAME: C-2,1 &2ErosionDetails,dw B 3,_0" " #57 WASHED STONE BEDDING THE SLOPE I~ SUFFICIENTLY SMOOTH TO KEEP THE FLOW FROM NOTE: MAINTAIN 18 COVER (MIN.} STONE BEDDING CONCENTRATING. I 1•_®~, 1'-®" 1'-Ol p , 3000 PSI CONCRETE DRAWN BY: TRM SET N 6. IMMEDIAT Y AFTER Tt'5 CONSTRUCTON, APPROPRIATELY SEED BELOW swaLE a . ~ s" APPROVED BY: CMM AND MULC THE ENTIRE DISTURBED AREA OF THE LEVEL TZ FIL 4 SPREADER. BOTT SWALE C6.3 SCALE; N.T.S, i ELEY: 270.19 a " i TITLE: i i I f EROSI®N . L VL 5 L SPREADER CONTROL c C6.3 SCALE: N.T.S. i d.T.S. DETAILS i i i i SHEET: C-2.3 s