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HomeMy WebLinkAboutSW3141103_CURRENT PERMIT_20141205STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW DOC TYPE 02CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE CWll YYYYMMDD NIFWA NCDENR North Carolina Department of Environment and Natural Resources Pat McCrory John E. Skvarla, III Governor Secretary DcccmbcDi Ijj&4QF LAND RESOURCES Mr. Alan Lewis ,AND QUALITY SECTION TKC CXX11, LLC 5935 Carnegie Blvd. Suite 200 DEC 0 9 2014 Charlotte, North Carolina 28209 DEPHnt1�16­1 1� -,.YrnunMENT Subject: Stormwatcr Permit No. SW3141103 AND NATURALR Project Marley Dear Mr. Lewis: The Division of Energy, Mineral, and Land Resources (DELMR), received a complete Stormwater Management Permit Application for the subject project on November 20, 2014. Staff review of the plans and specifications has determined that the project, as proposed, will comply with the Stormwatcr Regulations set forth in Title 15A NCAC 2111000 and Session Law 2006-246. We are forwarding Permit No. SW3141 103, dated January 5, 2014, for the construction, operation and maintenance of the subject project and the stormwater system. This permit shall be effective from the date of issuance until December 3, 2022, and shall be subject to the conditions and (imitations as specified therein, and does not supersede any other agency permit that may be required. If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to request an adjudicatory hearing by filing a written petition with the Office of Administrative Hearings (OAH). -rhe written petition nttist conform to Chapter 15013 of the North Carolina General Statutes. Per NCGS 143-215(c) the petition must be filed with the OAH within thirty (30) days of receipt of this permit. You should contact the OAH with all questions regarding the filing fee (if a filing fee is required) and/or the details of the filing process at 6714 Mail Service Center, Raleigh, NC 27699-6714, or via telephone at 919- 431-3000, or visit their website at www.NCOAI-Lcom. Unless such demands are made this permit shall be final and binding. ]'his project will be kept on file at the Mooresville Regional Office. Ifyou have any questions, or need additional information concerning this matter, please contact Mike Randall at (919) 807-6374; or iiiike.i-aiidall@iicdeiir.gov. ncdenr.gov. Sincerely, fnr Tracy D is, Pl F `CPMv D ector cc: SW3141 103 File, Mooresville Regional Office cc: Luke.). Bugenske, PE, Burton Engineering Associates Division of Energy, Mineral, and Land Resources Energy Section • Geological Survey Section • Land Quality Section 1612 Mail Service Center, Raleigh, North Carolina 27699-1612.919-707-9200 / FAX: 919-715-8801 512 North Salisbury Street, Raleigh, North Carolina 27604 • Internet: http://portal.ncdenr.org/web/ir/ An Equal Opportunity \ Affirmative Action Employer - 50% Recycled \ 10% Post Consumer Paper �l. � �r .:. �. State Stormwater Permit Permit No. SW3141103 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES STATE STORMWATER MANAGEMENT PERMIT In accordance with the provisions of Article 21 of Chapter 143, General Statute North Carolina as amended, and other applicable Laws, Rules, and Regulation-EX, egulation-E O� Ilk PERMISSION IS HEREBY GRANTED TO 'S�'fs Ox ,', ,, Mr. Alan Lewis TKC CXXII, LLC Project Marley Salisbury North Carolina, Rowan FOR THE County construction, operation and maintenance of three sand filters in compliance with the provisions of Session Law 2006-246 and 15A NCAC 2H .1000 (hereafter referred to as the "storm water rules') and the approved stormwater management plans and specifications and other supporting data as attached and on file with and approved by the State and considered a part of this permit. This permit shall be effective from the date of issuance until December 3, 2022, and shall be subject to the following specified conditions and limitations: I. DESIGN STANDARDS 1. This permit is effective only with respect to the nature and volume of stormwater described in the application and other supporting data. 2. The three sand filters are approved for the management of stormwater runoff as described in the application documents and as shown on the approved plans. 3. All stormwater collection and treatment systems must be located in either dedicated common areas or recorded easements. The final plats for the project will be recorded showing all such required easements, in accordance with the approved plans. 4. The runoff from all built -upon area within the permitted drainage area of this project must be directed into the permitted stormwater control system. 5. The built -upon areas associated with this project shall be located at least 30 feet landward of all perennial and intermittent surface waters. Page 1 of 4 State Stormwater Permit Permit No. SW3141103 II. SCHEDULE OF COMPLIANCE During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. 2. The permittee shall at all time provide the operation and maintenance. necessary to assure the three permitted sand filters functions at optimum efficiency. The approved Operation and Maintenance Plan must be followed in its entirety and maintenance must occur at the scheduled intervals including, but not limited to: a. Semiannual scheduled inspections (every 6 months). b. Sediment removal. C. Mowing and re -vegetation of slopes and the filter strip. d. Immediate repair of eroded areas. e. Maintenance of all slopes in accordance with approved plans. f. Debris removal and unclogging of all drainage structures, level spreader, filter media, planting media, underdrains, catch basins and piping. g. Access to the cell and outlet structure must be available at all times. 3. Records of maintenance activities must be kept for each permitted BMP. The reports will indicate the date, activity, name of person performing the work and what actions were taken. 4. The permittee shall submit an annual summary report of the maintenance and inspection records for each of the three sand filters. The report shall summarize the inspection dates, results of the inspections, and the maintenance work performed at each inspection. Each of the three sand filters shall be constructed in accordance with the approved plans and specifications, the conditions of this permit, and with other supporting data. Upon completion of construction, prior to issuance of a Certificate of Occupancy, and prior to operation of this permitted facility, a certification must be received from an appropriate designer for each of the three sand filters certifying that the permitted facility has been installed in accordance with this permit, the approved plans and specifications, and other supporting documentation. Any deviations from the approved plans and specifications must be noted on the Certification. A modification may be required for those deviations. 7. If the stormwater system was used as an Erosion Control device, it must be restored to design condition prior to operation as a stormwater treatment device, and prior to occupancy of the facility. 8. The permittee shall submit to the Director and shall have received approval for revised plans, specifications, and calculations prior to construction, for any modification to the approved plans, including, but not limited to, those listed below: a. Any revision to any item shown on the approved plans, including the stormwater management measures, built -upon area, details, etc. b. Project name change. C. Transfer of ownership. d. Redesign or addition to the approved amount of built -upon area or to the drainage area. e. Further subdivision, acquisition, lease or sale of all or part of the project area. The project area is defined as all property owned by the permittee, for which Sedimentation and Erosion Control Plan approval was sought. f. Filling in, altering, or piping of any vegetative conveyance shown on the approved plan. Page 2 of 4 State Stormwater Permit Permit No. SW3141103 A copy of the approved plans and specifications shall be maintained on file by the Permittee for a minimum of eight years from the date of the completion of construction. 10. The Director may notify the permittee when the permitted site does not meet one or more of the minimum requirements of the permit. Within the time frame specified in the notice, the permittee shall submit a written time schedule to the Director for modifying the site to meet minimum requirements. The permittee shall provide copies of revised plans and certification in writing to the Director that the changes have been made. III. GENERAL CONDITIONS 1. This permit is not transferable except after notice to and approval by the Director. In the event of a change of ownership, or a name change, the permittee must submit a completed Name/Ownership Change form signed by both parties, to the State, accompanied by the supporting documentation. The approval of this request will be considered on its merits and may or may not be approved. 2. The permittee is responsible for compliance with all permit conditions until such time as the Division approves a request to transfer the permit. 3. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to enforcement action by the State, in accordance with North Carolina General Statute 143-215.6A to 143-215.6C. 4. The issuance of this permit does not preclude the Permittee from complying with any and all statutes, rules, regulations, or ordinances, which may be imposed by other government agencies (local, state, and federal) having jurisdiction. 5. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the Permittee shall take immediate corrective action, including those as may be required by this Division, such as the construction of additional or replacement stormwater management systems. 6. The permittee grants DENR Staff permission to enter the property during normal business hours for the purpose of inspecting all components of the permitted stormwater management facility. 7. The permit issued shall continue in force and effect until revoked or terminated. The permit may be modified, revoked and reissued or terminated for cause. The filing of a request for a permit modification, revocation and re -issuance or termination does not stay any permit condition. 8. Unless specified elsewhere, permanent seeding requirements for the stormwater control must follow the guidelines established in the North Carolina Erosion and Sediment Control Planning and Design Manual. 9. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. Page 3 of 4 State Stormwater Permit Permit No. SW3141103 10. The issuance of this permit does not prohibit the Director from reopening and modifying the permit, revoking and reissuing the permit, or terminating the permit as allowed by the laws, rules and regulations contained in Session Law 2006- 246, Title 15A NCAC 2H.1000, and NCGS 143-215.1 et.al. 11. The permittee shall notify the Division in writing of any name, ownership or mailing address changes at least 30 days prior to making such changes. 12. The permittee shall submit a renewal request with all required forms and documentation at least 180 days prior to the expiration date of this permit. Permit issued this the 5`h day of December, 2014. Tor i racy C. uavis, r.c., k,rivi Director Division of Energy, Mineral, and Land Resources Page 4 of 4 State Stormwater Permit Permit No. SW3141103 Project Marley Salisbury North Carolina. Rowan County Designer's Certification I, , as a duly registered in the State of North Carolina, having been authorized to observe (periodically/ weekly/ full time) the construction of the project, (Project Name) for (Project Owner) hereby state that, to the best of my abilities, due care and diligence was used in the observation of the project construction such that the construction was observed to be built within substantial compliance and intent of the approved plans and specifications. Noted deviations from approved plans and specification: Signature Registration Number Date SEAL cc: NCDENR-DEMLR Regional Office Page 1 of 1 DEMLR USE ONLY Date Received Fee Paid.._, Permit Number Applicable Rules: (select all that apply) ❑ Cciastal SW - 1995 ❑ Coastal SW - 2008 ❑ Ph II - Post Construction ❑ Non -Coastal SW- HQW /ORW Waters []Universal Stormwater Management Plan ❑ Other WQ M mt Plan: State of North Carolina Department of Environment and Natural Resources Division of Energy, Mineral and Land Resources `spa STORMWATER MANAGEMENT PERMIT APPLICATIONIZSRM— ,�3� sop This form may be photocopied for use as�Q}gyiat e Y I. GENERAL INFORMATION C�' Nov20 y�4 1 specifications, rct atio s,ame (letters, operation and ma ntivision, facility, or bnanm ag name `Y YQi 2 consistent fiy}t�pNq��RiipR�MV1/17g1ans, O\� N� Project Marley 2. Location of Project (street address): 1010 Corporate Center Drive,A� City:Salisbury County:R ot�� Zip: 3. Directions to project (from nearest major intersection): Interstate 85 to Julian Road exit in southern Salisbury. Head east. Turn Right on Summit Park Drive. 4. Latitude:35° 37' 27.31" N Pl' Longitude:80° 29' 22.74" W )- of the main entrance to the project. II. PERMIT INFORMATION: , J;40" q 3 1. a. Specify whether project is (check one): ®New ❑Modification ❑ Renewal w/ Modification' 'Renernals With modifications also requires SWU-102—Rene71,al Application Form b.If this application is being submitted as the result of a modification to an existing permit, list the existing permit number , its issue date (if known) and the status of construction: ❑Not Started ❑Partially Completed* ❑ Completed* *provide a designer's cerlificat ion 2. Specify the type of project (check one): ❑Low Density XHigh Density ❑Drains to an Offsite Stormwater System ❑Other 3. If this application is being submitted as the result of a previously returned application or a letter from DEMLR requesting a state stormwater management permit application, list the stormwater project number, if assigned, n/a and the previous name of the project, if different than currently proposed, n/a 4. a. Additional Project Requirements (check applicable blanks; information on required state permits can be obtained by contacting the Customer Service Center at 1-877-623-6748): ❑CAMA Major ®Sedimentation/Erosion Control: 19.5 ac of Disturbed Area ❑NPDES Industrial Stormwater 0404/401 Permit: Proposed Impacts b.lf any of these permits have already been acquired please provide the Project Name, Project/Permit Number, issue date and the type of each permit:Rowan County Erosion Control Approval -Summit Corporate Center Tract 4, Approved 08/04/20140. No permit number provided. 5._. Is the project located within 5 miles of a public airport? ❑No ®Yes If yes, see S.L. 2012-200, Part VI: http://portal.ncdenr.org/web/Ir/rules-and-regulations wkr_6 Form SWU-101 Version Oct. 31. 2013 Page I of 6 III. CONTACT INFORMATION 1. a: Print Applicant / Signing Official's name and title (specifically the developer, property owner, lessee, designated government official, individual, etc. who owns the project): Applicant/Organization:TKC CXXII, LLC Signing Official & Title:Alan Lewis, Development Partner b. Contact information for person listed in item la above: Street Address:5935 Carnegie Blvd., Suite 200 City:Charlotte State:NC Zip:28209 Mailing Address (if applicable):Same as above City: Phone: (704 ) 365-6000 Email:alan@thekeithcorp.com Fax: (704 ) 365-0733 c. Please check the appropriate box. The applicant listed above is: ® The property owner (Skip to Contact Information, item 3a) ❑ Lessee* (Attach a copy of the lease agreement and complete Contact Information, item 2a and 2b below) ❑ Purchaser* (Attach a copy of the pending sales agreement and complete Contact Information, item 2a and 2b below) ❑ Developer* (Complete Contact Information, item 2a and 2b below.) 2. a. Print Property Owner's name and title below, if you are the lessee, purchaser or developer. (This is the person who owns the property that the project is located on): Property Owner/Organization: Signing Official & Title: b.Contact information for person listed in item 2a above: Street Address: Mailing Address (if applicable): Phone: Fax: 3. a. (Optional) Print the name and title of another contact such as the project's construction supervisor or other person who can answer questions about the project: Other Contact Person/Organization: Signing Official & Title: b.Contact information for person listed in item 3a above: Mailing Address: City: Phone: 4. Local jurisdiction for building permits: Point of Contact: Fax: ( ) Phone #: Form SWU-101 Version Oct. 31, 2013 Page 2 of 6 'IV. PROJECT INFORMATION 1. ' In the space provided below, briefly summarize how the stormwater runoff will be treated. There are two separate drainage basins on the project. Water on the west side will be treated by 2 sand filters. The drainage to the east will be treated by 1 sand filter. 2. a. If claiming vested rights, identify the supporting documents provided and the date they were approved: ❑ Approval of a Site Specific Development Plan or PUD Approval Date: ❑ Valid Building Permit Issued Date: ❑ Other: Date: b.lf claiming vested rights, identify the regulation(s) the project has been designed in accordance with: ❑ Coastal SW -1995 ❑ Ph II - Post Construction 3. Stormwater runoff from this project drains to the 4. Total Property Area: 32.55 acres River basin. 5. Total Coastal Wetlands Area: n/a acres 6. Total Surface Water Area: 0 acres Total Property Area (4) - Total Coastal Wetlands Area (5) - Total Surface Water Area (6) = Total Project Area': 32.55 acres Total project area shell be rnlndated to exclude the follorving the normal pool of imponided structures, the area between tlic backs of streams and rivers, the area belo v the Nornml High Water (NHW) line or Mean High Water (MHW) line, and coastal wetlands landward from the NHW (or MH6) line. The resultant project area is used to calculate overall percent built upon area (BUA). Non -coastal zvetlalids lalidtvard of the NHW{or MHW) line uiay be included in the total project area. 8. Project percent of impervious area: (Total Impervious Area / Total Project Area) X 100 = a� 9. How many drainage areas does the project have? 3 (For high density, count 1 for each proposed engineered stornnoater BMP. For low density and other projects, use 1 for the whole property area) 10. Complete the following information for each drainage area identified in Project Information item 9. If there are more than four drainage areas in the project, attach an additional sheet with the information for each area provided in the same format as below. Basin Information Draina e Area 1 a Draina ge Area 1b Draina e Area 2 Draina e Area Receiving Stream Name Town Creek Town Creek Town Creek Stream Class * C C C Stream Index Number * 12-115-3 12-115-3 12-115-3 Total Drainage Area (so 127116 191664 494713 On -site Drainage Area (so 127116 191664 194713 Off -site Drainage Area (so 0 0 0 Proposed Impervious Area**(so 81907 188617 166798 % Impervious Area** total 64.41% 98.41% 85.68% Impervious** Surface Area Draina e Area 1a Draina e Area l b Drainage Area 2 Draina e Area _ On -site Buildings/Lots (so 0 102060 102060 On -site Streets (so 23963 0 6628 On -site Parking (so 54635 85629 9108 On -site Sidewalks (so 3309 928 1508 Other on -site (so Future (so 50096 Off -site (so Existing BUA*** (so Total (so: 81907 188617 169400 Stream Class and Index Number call be determined at: li�://nortal.ricdenr.or hog ebAi;g&slcsu/classifi'cations Impervious area is defined as the built upon area including, bill not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc. Report only that anoint of existing BUA that will remain after development. Do not report any existing BUA that is to be removed and which will be replaced by new BUA. Form SWU-101 Version Oct. 31, 2013 Page 3 of 6 11. How was the off -site impervious area listed above determined? Provide documentation. N/A Proiects in Union County: Contact DEMLR Central Office staff to check if the project is Located within a Threatened & Endangered Species watershed that may be subject to more stringent stormwater requirements as per 15A NCAC 02B .0600. V. SUPPLEMENT AND O&M FORMS The applicable state stormwater management permit supplement and operation and maintenance (O&M) forms must be submitted for each BMP specified for this project. The latest versions of the forms can be downloaded from htto://12ortai.ncdenr.org/web/wq/ws/su/Limp-manual. VI. SUBMITTAL REQUIREMENTS Only complete application packages will be accepted and reviewed by the Division of Energy, Mineral and Land Resources (DEMLR). A complete package includes all of the items listed below. A detailed application instruction sheet and BMP checklists are available from ham://portal.ncdennorg/web/wq/ws/su/statesw/forms does. The complete application package should be submitted to the appropriate DEMLR Office. (The appropriate office may be found by locating project on the interactive online map at http://portal.ncdenr.org/web/v`-q/ws/su/maps.) Please indicate that the following required information have been provided by initialing in the space provided for each item. All original documents MUST be signed and initialed in blue ink. Download the latest versions for each submitted application package from htto://portal.ncdenr.org/web/wows/su/statesw/forms does. Initials 1. Original and one copy of the Stormwater Management Permit Application Form. Q61 2. Original and one copy of the signed and notarized Deed Restrictions & Protective Covenants t`1(A Form. (if required as per Part VII belout) 3. Original of the applicable Supplement Form(s) (sealed, signed and dated) and O&M agreement(s) for each BMP. 4. Permit application processing fee of $505 payable to NCDENR. (For an Express review, refer to htto://www.envhelp.org[pages/onestol2express.html for information on the Express program and the associated fees. Contact the appropriate regional office Express Permit Coordinator for additional information and to schedule the required application meeting.) 5. A detailed narrative (one to two pages) describing the stormwater treatment/management for the project. This is required in addition to the brief summary provided in the Project Information, item 1. 6. A USGS map identifying the site location. If the receiving stream is reported as class SA or the receiving stream drains to class SA waters within hk mile of the site boundary, include the 1/2 mile radius on the map. 7. Sealed, signed and dated calculations (one copy). 8. Two sets of plans folded to 8.5" x 14" (sealed, signed, & dated), including: a. Development/Project name. b. Engineer and firm. c. Location map with named streets and NCSR numbers. d. Legend. e. North arrow. f. Scale. g. Revision number and dates. h. Identify all surface waters on the plans by delineating the normal pool elevation of impounded structures, the banks of streams and rivers, the MHW or NHW line of tidal waters, and any coastal wetlands landward of the MHW or NHW lines. • Delineate the vegetated buffer landward from the normal pool elevation of impounded structures, the banks of streams or rivers, and the MHW (or NHW) of tidal waters. i. Dimensioned property/project boundary with bearings & distances. j. Site Layout with all BUA identified and dimensioned. k. Existing contours, proposed contours, spot elevations, finished floor elevations. 1. Details of roads, drainage features, collection systems, and stormwater control measures. m. Wetlands delineated, or a note on the plans that none exist. (Must be delineated by a qualified person. Provide documentation of qualifications and identify the person who made the determination on the plans. n. Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations. o. Drainage areas delineated (included in the main set of plans, not as a separate document). Form SWU-101 Version Oct. 31, 2013 Page 4 of 6 p. Vegetated buffers (where required). 9.. Copy of any applicable soils report with the associated SHWT elevations (Please identify Vc w ci44 (lE(b(LC elevations in addition to depths) as well as a map of the boring locations with the existing elevations and boring logs. Include an 8.5"xll" copy of the NRCS County Soils map with the project area clearly delineated. For projects with infiltration BMPs, the report should also include the soil type, expected infiltration rate, and the method of determining the infiltration rate. (Infiltration Devices submitted to WiRO: Schedule a site viiit for DEMLR to verify the SHWT prior to subrn it t al, (910) 796-7378.) (ow (0("j A copy of the most current property deed. Deed book: 1124 Page No: 120 For corporations and limited liability corporations (LLC): Provide documentation from the NC Secretary of State or other official documentation, which supports the titles and positions held by the persons listed in Contact Information, item la, 2a, and/or 3a per 15A NCAC 21-1.1003(e). The corporation or LI-C must be listed as an active corporation in good standing with the NC Secretary of State, otherwise the application will be returned. htto: / /www.secretary.state.nc.us/Corporations/CSearch.aspxx VIL DEED RESTRICTIONS AND PROTECTIVE COVENANTS For all subdivisions, outparcels, and future development, the appropriate property restrictions and protective covenants are required to be recorded prior to the sale of any lot. If lot sizes vary significantly or the proposed BUA allocations vary, a table listing each lot number, lot size, and the allowable built -upon area must be provided as an attachment to the completed and notarized deed restriction form. The appropriate deed restrictions and protective covenants forms can be downloaded from http:1/12ortaI.ncdetir.org/web/h/state-stormwater- forms does. Download the latest versions for each submittal. In the instances where the applicant is different than the property owner, it is the responsibility of the property owner to sign the deed restrictions and protective covenants form while the applicant is responsible for ensuring that the deed restrictions are recorded. By the notarized signature(s) below, the permit holder(s) certify that the recorded property restrictions and protective covenants for this project, if required, shall include all the items required in the permit and listed on the forms available on the website, that the covenants will be binding on all parties and persons claiming under them, that they will run with the land, that the required covenants cannot be changed or deleted without concurrence from the NC DEMLR, and that they will be recorded prior to the sale of any lot. Vill. CONSULTANT INFORMATION AND AUTHORIZATION Applicant: Complete this section if you wish to designate authority to another individual and/or firm (such as a consulting engineer and/or firm) so that they may provide information on your behalf for this project (such as addressing requests for additional information). Consulting Engineer.Carlton T. Burton Consulting Firm: Burton Engineering Associates Mailing Address:5950 Fairview Road Suite 100 City:Charlotte State:NC Zip:28210 Phone: (704 ) 553-8881 Fax: (704 ) 553-8860 IX. PROPERTY OWNER AUTHORIZATION (if Contact Information, item 2 has been filled out, complete this section) I, (print or type name of person listed in Contact Information, item 2a) certify that I own the property identified in this permit application, and thus give permission to (print or type name of person listed in Contact Information, item la) with (print or type name of organization listed in Contact Information, itent la) to develop the project as currently proposed. A copy of the lease agreement or pending property sales contract has been provided with the submittal, which indicates the party responsible for the operation and maintenance of the stormwater system. Form SWU-101 Version Oct. 31. 2013 Page 5 46 As the legal property owner I acknowledge, understand, and agree by my signature below, that if my designated agent (entity listed in Contact Information, item 1) dissolves their company and/or cancels or defaults on their lease agreement, or pending sale, responsibility for compliance with the DEMLR Stormwater permit reverts back to me, the property owner. As the property owner, it is my responsibility to notify DEMLR immediately and submit a completed Name/Ownership Change Form within 30 days; otherwise I will be operating a stormwater treatment facility without a valid permit. I understand that the operation of a stormwater treatment facility without a valid permit is a violation of NC General Statue 143-215.1 and may result in appropriate enforcement action including thent crv' enalties of up to $25,000 per day, pursuant to NCGS 143-215.6. e asses Signature: Date: DV d 13 ao(4+ I, L t SG, /J Cr tt Z— , a Nota�r Public for the State of �r7� (� ✓a/ nG� , County of fetl do hereby certify that /) eal i e iA /\ • iefU-lec/ personally appeared before me this _ day of Nil✓ e e ✓ 0?01 , and acknowledge the due execution of the application for a stormwater permit. Witness my hand and official seal,. 3 NotoN Public s t asten MV iss or, expires Comm 0710$12pA =`I /HICP�\\\\\\\�. X. APPLICANT'S CERTIFICATION SEAL My commission expires TF-11 1, (print or type nanie of person listed in Contact Information, item 1a) certify that the information included on this permit application form is, to the best of my knowledge, correct and that the project will be constructed in conformance with the approved plans, that the required deed restrictions and protective covenants will be recorded, and that the proposed project complies with the requirements of the applicable stormwater 1 15 CA 2H .1000 and any other applicable state stormwater requirements. Signature: /D'ate:/�Ai, a dOly a Notary Public fCfor the State of �/ / �Q�d �ine� . County of r/&071"do hereby certify that KC�/?eH Of r✓eklLL/ personally appeared before me this day of )�G✓tm %i[� . -&/$ and acknowledge the due execution of the application for a stormwater permit. Witness my hand and official seal, o&Tn— /J et4 NotatV Public c 5 Gosto0 County MV Commission exp lies= 071081201'1 TH CPz0\\o° SEAL My commission -7-g-0 Form SWU-101 Version Oc1.31, 2013 Page 6 of 6 - 241 rKC CXVII; LLC BRANCH BANKING & TRUST 6869 FAIRVIEW ROAD 5935 CARNEGIE BLVD.. STE. 200 CHARLOTTE, NC 28210 CHARLOTTE. NC 28209 704-365-6000 66-112/531 PAY **** FIVE HUNDRED FIVE AND 00/100 DOLLARS _ 11/13/2014 $ 505.00***** TO THE ORDER OF NC DENR 1632 MAIL SERVICE CENTERFpo RALEIGH, NC 27699-1646 xv MEMO: VOID AFTER 90 DAYS u'02►.111' r:053101121r:0005297989822n' DATE:11/13 /2014 CK4:241 TOTAL: $505.00"""` BANK:117 OPERATING CASH(117ca3h) PAYEE:NC DENR(ncdl63) MEMO: VOID AFTER 90 DAYS Invoice - Date Description Amount Property Address -Code sas. o0 11/13 /14 - 11/13 /2014 STORMWATER MANAGMENT PERMIT TKC CXXII, LLC - 122 505.00 �w . 3� q 1103 RZEC+t_.i l.. NUV 20 2014 I-�� crivil'ITINIG Permit Number: (to be provided by DWQ) O2�F WATFgOG NCDENR STORMWATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFICATION APPLICATION FORM SAND FILTER SUPPLEMENT This form must be filled out on line, printed and submitted with all of the required information. Make sure to also fill out and submit the Required Items Checklist (Section III) and the 18M Agreement (Section IV) Project name Contact name Phone number Date Drainage area number II. DESIGN INFORMATION Site Characteristics PE November 19, 2014 1A Drainage area (AD) 127,11Coo ft2 OK AL L 5. O Impervious area 81,907.00!ft2 % Impervious (IA) 64.4% % Design rainfall depth (Ro) 1.46 in Peak Flow Calculations OF L11N� RERCEf 1 -yr, 24-h r runoff depth 2.75 in L41WQASECTION 1-yr, 24-hr intensity 0.39 in/hr Pre -development 1-yr, 24-hr runoff 12.38 ft3/sec DEC Post -development 1-yr, 24-hr runoff 11.81 ft'/sec 0 9 Z0�4 PrelPost 1-yr, 24-hr peak control -0.57 ft3/sec -viavinuNMENT Storage Volume �90 Design volume (WQV) 6,704.06 ft3 Adjusted water quality volume (WQVAd;) 5,028.00 ft' OK Volume contained in the sedimentation basin and on top of the sand filter 16,325.00 ft' Top of sand flier/grate elevation 769 ft amsl Weir elevation (between chambers) 771 ft amsl Maximum head on the sedimentation basin and sand filter (hMmrilter) 2.00ft OK Average head on the sedimentation basin and sand filter (hA) 1.00 ft OK Runoff Coefficient (Rv) 0.63(unitless) Type of Sand Filter Open sand filter? Y Y or N SHWT elevation Not EncounC ft amsl <—' NOT 6N "U Q'rt;'ZG Bottom of the sand filter elevation 767.40'ft amsl Co — tp'5.4Q Clearance (dsHwT) 2.50 Closed/pre-cast sand filter? N YorN CRUGER R6FuS ►� SHWT elevation ft amsl Bottom of the sand filter elevation ft amsl Clearance (dSHWT) If this is a closed, underground closed sand filter: The clearance between the surface of the sand filter and the bottom of the roof of the underground ft structure (ds,) Form SW401-Sand Filter-Rev.5 2009Septl7 Parts I and II. Project Design Summary, Page 1 of 3 C; l 'e" — 4 Y � ., _� i l F ' ~ _ �� 3� � .e � :. t =: ��c: — �,� . � S45 4 _ �_° � '— 5 Permit Number: (to be provided by DWO) Sedimentation Basin Surface area of sedimentation basin (As) Sedimentation basin/chamber depth Sand Filter Surface area of sand filter (AF) Top of sand media filter bed elevation Bottom of sand media filter bed/drain elevation Depth of the sand media filter bed (dF) Coefficient of permeability for the sand filter (it) Outlet diameter Outlet discharge/flowrate Time to drain the sand filler (t) Time to drain the sand filter (t) Additional Information Does volume in excess of the design volume bypass the sand filter? Is an off-line flaw -splitting device used? If draining to SA waters: Does volume in excess of the design volume flow evenly distributed through a vegetated filter? What is the length of the vegetated filter? Does the design use a level spreader to evenly distribute flow? Is the BMP located at least 30ft from surface waters (5Oft if SA waters)? If not a closed bottom, is BMP located at least 100ft from water supply wells? Are the vegetated side slopes equal to or less than 3:1 Is the BMP located in a recorded drainage easement with a recorded access easement to a public Right of Way (ROW)? What is the width of the sedimentation chamber/forebay (Wsed)? What is the depth of sand over the outlet pipe (dpipe)? 1,600.00. ft, Vry IVI Mb IIIIIIIIIIUIIII, UUl IIIGy I=U lU UC IIlUltd=U IU 2.00 ft 775.00,ft" Illuea=DUllawawa.n11Z,Wilt alJulnucaxUlc 769.00 ft amsl 767.40 ft amsl 1.60 ft 3.50 (ft/day) 15.00 in 0.52 ft3/sec 35.81 hours OK. Submit drainage calculations. 1.49 days Y YorN OK Y YorN OK YorN It YorN Y YorN OK Y YorN OK Y YorN OK Y YorN OK 30.00 ft OK 1.00'It OK Form SW401-Sand Filter-Rev.S 2009Sept17 Parts I and II. Project Design Summary, Page 2 of 3 Permit No. (to be provided by DWQ) Please indicate the page or plan sheet numbers where the supporting documentation can be found. An incomplete submittal package will result in a request for additional information. This will delay final review and approval of the project. Initial in the space provided to indicate the following design requirements have been met. If the applicant has designated an agent, the agent may initial below. If a requirement has not been met, attach justification. Initials Pagel Plan Sheet No. v J I 1. Plans (1" - 50' or larger) of the entire site with labeled drainage area boundaries - System dimensions (length, width, and depth) for both the sedimentation chamber and the filter GN, O chamber, - Maintenance access, - Flow splitting device, - Proposed drainage easement and public right of way (ROW), - Design at ultimate build -out, - Off -site drainage (if applicable), and GW C� 0 - Boundaries of drainage easement. 2. Plan details (1" = 30' or larger) for the sand filter showing: - System dimensions (length, width, and depth) for both the sedimentation chamber and the filter chamber, - Maintenance access, - Flow splitting device, - Vegetative filter strip dimensions and slope (if SA waters), - Proposed drainage easement and public right of way (ROW), - Design at ultimate build -out, - Off -site drainage (if applicable), and - Boundaries of drainage easement. COW G4•0 3. Section view of the sand filter (1" = 20' or larger) showing: - Depth(s) of the sedimentation chamber and sand filter chamber, - Depth of sand filter media, - Connection between the sedimentation chamber and the sand filter chamber and weir elevation, - SHWT elevation, - Outlet pipe, and - Clearance from the surface of the sand filter to the bottom of the roof of the underground structure (if applicable). 4. A soils report that is based upon an actual field investigation, soil borings, and infiltration tests. The results of the soils report must be verified in the field by DWQ, by completing & submitting the soils investigation request form. County soil maps are not an acceptable source of soils information. 6�eL 5. Supporting calculations (including drainage calculations) 6. Signed and notarized operation and maintenance (0&M) agreement UJ A 7. A copy of the deed restrictions (if required). A 10:M� CSMg A'3lc,pf_ EX.Pc."Tfal 4 S+twT 9.;-7PG2-T �c laepelu ace S-bafwwATdt- Mct.1cG�Q%�CJ-r "A w . Form SW401-Sand Filter-Rev.5 2009Sept17 Part III, Page 3 of 3 - _ to .. [�l ... __ ' _/ .ye Permit (to be provided by DWQ) 0p WATf;9 T&Ayi�j h r NCDENR STORMWATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFICATION APPLICATION FORM SAND FILTER SUPPLEMENT This form must be filled out on line, printed and submitted with all of the required information. Make sure to also fill out and submit the Required Items Checklist (Section III) and the I&M Agreement (Section IV) Project name Contact name Phone number Date Drainage area number Site Characteristics Drainage area (Au) Impervious area % Impervious (IA) Design rainfall depth (Rp) Peak Flow Calculations 1-yr, 24-hr runoff depth 1-yr, 24-hr intensity Pre -development 1-yr, 24-hr runoff Post -development 1-yr, 24-hr runoff Pre/Post 1-yr, 24-hr peak control Storage Volume Design volume (WQV) Adjusted water quality volume (WQVAd;) Volume contained in the sedimentation basin and on top of the sand filter Top of sand filter/grate elevation Weir elevation (between chambers) Maximum head on the sedimentation basin and sand filter (hM„rifter) Average head on the sedimentation basin and sand filter bA) Runoff Coefficient (Rv) Type of Sand Filter Open sand filter? SHWT elevation Bottom of the sand filter elevation Clearance (daHWT) Closed/pre-cast sand filter? SHWT elevation Bottom of the sand filter elevation Clearance (dsav,,r) If this is a closed, underground closed sand filter: The clearance between the surface of the sand filter and the bottom of the roof of the underground structure (ds,) Greg Welsh, PE 704-553-8881 ;November 14, 2014 1B 191,664.00 ft2 188,617.00,ft2 98.4% % 1.45iin 2.75 in 0.39 in/hr 12.38 ;ft3/sec 11.81 ft3/sec -0.57 ft3/sec 14,958.00; ft3 11,218.50 ft' 18,450.00, ft3 789 ft amsl 786 ft amsl 3.00 ft 1.50,ft 0.94 (unitless) Y YorN 779.00: ft amsl 784.50:ft amsl 5.50' N YorN ft amsl ft amsl 'ft OK M OK OK 4. 4 Ai 4 !'- a Form SW401-Sand Filter-Rev.5 2009Sept17 Parts I and 11. Project Design Summary, Page 1 of 3 Permit (to be provided by DWO) Sedimentation Basin Surface area of sedimentation basin (As) Sedimentation basin/chamber depth Sand Filter Surface area of sand filter (AF) Top of sand media filter bed elevation Bottom of sand media filter bed/drain elevation Depth of the sand media filter bed (dF) Coefficient of permeability for the sand filter (k) Outlet diameter Outlet discharge/flowrate Time to drain the sand filter (t) Time to drain the sand filter (t) Additional Information Does volume in excess of the design volume bypass the sand filter? Is an off-line Flow -splitting device used? If draining to SA waters: Does volume in excess of the design volume flow evenly distributed through a vegetated filter? What is the length of the vegetated filter? Does the design use a level spreader to evenly distribute flow? Is the BMP located at least 30ft from surface waters (50ft if SA waters)? If not a closed bottom, is BMP located at least 100ft from water supply wells? Are the vegetated side slopes equal to or less than 3:1 Is the BMP located in a recorded drainage easement with a recorded access easement to a public Right of Way (ROW)? What is the width of the sedimentation chamber/forebay (Ww)? What is the depth of sand over the outlet pipe (dpipe)? 2,050.00'ft2 vn. rviccra nunuum n, um may neeu w ue umi edaeu ru 3.00 ft 2,050.00,ft2 vn. VXULw unwmuJu, um mdy neeu w ve utuedaeu w 786.00 ft amsl 784.50 It amsl 1.50 ft 3.50 (ftlday) 15.001 in 1.07,ft'/sec 38.831hours OK. Submit drainage calculations. 1.62 days Y YorN OK Y YorN OK YorN ft YorN Y Y or N OK Y YorN OK Y YorN OK Y YorN OK 32.00 ft OK 1.00,ft OK Form SW401-Sand Filter-Rev.5 2009Sept17 Parts I and 11. Project Design Summary, Page 2 of 3 Permit No. (to be provided by DWQ) Please indicate the page or plan sheet numbers where the supporting documentation can be found. An incomplete submittal package will result in a request for additional information. This will delay final review and approval of the project. Initial in the space provided to indicate the following design requirements have been met. If the applicant has designated an agent, the agent may initial below. If a requirement has not been met, attach justification. Initials Pagel Plan Sheet No. ` �w 1) 1. Plans (1" - 50' or larger) of the entire site with labeled drainage area boundaries L� t - System dimensions (length, width, and depth) for both the sedimentation chamber and the filter chamber, - Maintenance access, - Flow splitting device, - Proposed drainage easement and public right of way (ROW), - Design at ultimate build -out, - Off -site drainage (if applicable), and - Boundaries of drainage easement. r� 2. Plan details (1" = 30' or larger) for the sand filter showing: - System dimensions (length, width, and depth) for both the sedimentation chamber and the filter chamber, - Maintenance access, - Flow splitting device, - Vegetative filter strip dimensions and slope (if SA waters), - Proposed drainage easement and public right of way (ROW), - Design at ultimate build -out, - Off -site drainage (if applicable), and - Boundaries of drainage easement. 3. Section view of the sand filter (1" = 20' or larger) showing: - Depth(s) of the sedimentation chamber and sand filter chamber, - Depth of sand filter media, - Connection between the sedimentation chamber and the sand filter chamber and weir elevation, - SHWT elevation, - Outlet pipe, and - Clearance from the surface of the sand filter to the bottom of the roof of the underground structure (if applicable). 4. A soils report that is based upon an actual field investigation, soil borings, and infiltration tests. The results of the soils report must be verified in the field by DWQ, by completing & submitting the soils investigation request form. County soil maps are not an acceptable source of soils information. 5. Supporting calculations (including drainage calculations) 00 6. Signed and notarized operation and maintenance (O&M) agreement a14 a/A 7. A copy of the deed restrictions (if required). Form SW401-Sand Filter-Rev.5 2009Sept17 Part III, Page 3 of 3 Permit Number: Ito be provided by DWD) OF WATF9 y � NC®ENR STORMWATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFICATION APPLICATION FORM SAND FILTER SUPPLEMENT This form must be filled out on line, printed and submitted with all of the required information. Make sure to also fill out and submit the Required Items Checklist (Section IIQ and the I&MAgreement (Section IV) Project name Contact name Phone number Date Drainage area number 'Greg Welsh, PE 704-553-8881 November 19, 2014 2 Site Characteristics Drainage area (AD) 194,713,00:ft2 Impervious area 166,798.001ft2 % Impervious (IA) 85.7% % Design rainfall depth (Ro) 1.32'in Peak Flow Calculations 1-yr, 24-hr runoff depth 2.75 in 1 -yr, 24-hr intensity 0.39 in/hr Pre -development 1-yr, 24-hr runoff 2.70 ft3/sec Post -development 1-yr, 24-hr runoff 2.25 ft3/sec Pre/Post 1-yr, 24-hr peak control -0.45 ft"/sec Storage Volume Design volume (WQV) 13,327.00 ft' Adjusted water quality volume (WQVAa;) 9,995.25 ft3 Volume contained in the sedimentation basin and on top of the sand filter 21,855.00,ft3 Top of sand filter/grate elevation 775.6 ft amsl Weir elevation (between chambers) 779.2 ft amsl Maximum head on the sedimentation basin and sand filter (hMa.Fifter) 3.6018 Average head on the sedimentation basin and sand filter (hA) 1.80i11t Runoff Coefficient (Rv) 0.82 (unitless) Type of Sand Filter Open sand filter? Y Y or N SHWT elevation Not Encount. ft amsl Bottom of the sand filter elevation 774.00 ft amsl Clearance (dsHwT) 2+ Closed/pre-cast sand filter? N Y or N SHWT elevation ft amsl Bottom of the sand filter elevation It amsl Clearance (dsHwT) If this is a closed, underground closed sand filter: The clearance between the surface of the sand filter and the bottom of the roof of the underground ft structure (ds,,,) OK OK OK OK E—� NOT ENC0U.NTGRE1:5 @ -1-7Z Form SW401-Sand Filter-Rev.5 2009Sept17 Parts I and II. Project Design Summary, Page 1 of 3 Permit Number: (to be provided by DWQ) Sedimentation Basin Surface area of sedimentation basin (As) Sedimentation basin/chamber depth Sand Filter Surface area of sand filter (Ar) Top of sand media filter bed elevation Bottom of sand media flier bed/drain elevation Depth of the sand media filter bed (d,) Coefficient of permeability for the sand filter (k) Outlet diameter Outlet discharge/flowrate Time to drain the sand filter (t) Time to drain the sand filter (t) Additional Information Does volume in excess of the design volume bypass the sand filter? Is an off-line flow -splitting device used? If draining to SA waters: Does volume in excess of the design volume flow evenly distributed through a vegetated filter? What is the length of the vegetated filler? Does the design use a level spreader to evenly distribute flow? Is the BMP located at least 30ft from surface waters (50ft if SA waters)? If not a closed bottom, is BMP located at least 100ft from water supply wells? Are the vegetated side slopes equal to or less than 3:1 Is the BMP located in a recorded drainage easement with a recorded access easement to a public Right of Way (ROW)? What is the width of the sedimentation chamber/forebay (Ws)? What is the depth of sand over the outlet pipe (dpipe)? 2,600.00,ft2 Vn. IVIQaW IIIII III nuu1, uul IIlay ueeu lu ue 11 Ul CdbM w 3.50 It ZocuO ft2 vn. v=U, ninuuiun i, uuu nay nccu ru ue nwieaxu ru 775.60 It amsl 774.00 ft amsl 1.60 ft 3.50 (fVday) 15.00 in 1.04 ft3/sec 35.60.hours OK. Submit drainage calculations. 1.48 days Y YorN OK Y Y or N OK YorN ft YorN Y YorN OK Y YorN OK Y YorN OK Y Y or N OK 20.09 It OK 1.00 ft OK Form SW401-Sand Filter-Rev.5 2009Sept17 Parts I and II. Project Design Summary, Page 2 of 3 2 Permit No. (to be provided by DWQ) IIh,.'REQUIRED!ITEMS;CHECKLIST Please indicate the page or plan sheet numbers where the supporting documentation can be found. An incomplete submittal package will result in a request for additional information. This will delay final review and approval of the project. Initial in the space provided to indicate the following design requirements have been met. If the applicant has designated an agent, the agent may initial below. If a requirement has not been met, attach justification. Initials Pagel Plan Sheet No. C $ 0 1. Plans (1" - 50' or larger) of the entire site with labeled drainage area boundaries Lr� Z - System dimensions (length, width, and depth) for both the sedimentation chamber and the filter chamber, - Maintenance access, - Flow splitting device, - Proposed drainage easement and public right of way (ROW), - Design at ultimate build -out, - Off -site drainage (if applicable), and - Boundaries of drainage easement. (Dlnl LL4•Z- 2. Plan details (1" = 30' or larger) for the sand filter showing: - System dimensions (length, width, and depth) for both the sedimentation chamber and the filter chamber, - Maintenance access, - Flow splitting device, - Vegetative filter strip dimensions and slope (if SA waters), - Proposed drainage easement and public right of way (ROW), - Design at ultimate build -out, - Off -site drainage (if applicable), and - Boundaries of drainage easement. •)Z 3. Section view of the sand filter (1" = 20' or larger) showing: - Depth(s) of the sedimentation chamber and sand filter chamber, - Depth of sand filter media, - Connection between the sedimentation chamber and the sand filter chamber and weir elevation, - SHWT elevation, - Outlet pipe, and - Clearance from the surface of the sand filter to the bottom of the roof of the underground structure (if 6 � applicable). l' W 4. A soils report that is based upon an actual field investigation, soil borings, and infiltration tests. The results of the soils report must be verified in the field by DWO, by completing & submitting the soils investigation request form. County soil maps are not an acceptable source of soils information. ILICA 5. Supporting calculations (including drainage calculations) 6. Signed and notarized operation and maintenance (0&M) agreement 7. A copy of the deed restrictions (if required). Form SW401-Sand Filter-Rev.5 2009Sept17 Part III, Page 3 of 3 Operation & Maintenance Agreement Maintenance records shall be kept on the following BMP(s). This maintenance record shall be kept in a k Any deficient BMP elements noted in the inspection will be corrected, repaired, or replaced Immediately. affect the integrity of structures, safety of the public, and the pollutant remov The BMP(s) on this project include (check all that apply & Bioretention Cell Quantity: Dry Detention Basin Quantity: Grassed Swale Quantity: Green Roof Quantity: Infiltration Basin Quantity: Infiltration Trench Quantity: Level SpreadefNFS Quantity: Permeable Pavement Quantity: Proprietary System Quantity: Rainwater Harvesting Quantity: Sand Filler Quantity: Stormwater Wetland Quantity: Wet Detention Basin Quantity: Disconnected Impervious Area Present: Soil Amendments Present: These deficiencies can I acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed for each BMP above, and attached O&M tables. I agree to notify NCDENR of any problems with the system or prior to any changes to the system or responsible party. ' Responsible Party: Title & Organization: Street address: City, state, zip: Phone number(s): Email: Mr. Derek Sallie Project Manager, CXXII, LLC 5936 Carnegie Boulevard, Suite 200 Charlotte, North Carolina, 26209 704 365.6000 DSalfia@TheKelthCorp.com Signature: XL 61IV4 Date:IV I, Li S C' �cr "Z , a Notary Public for the Stale of Aloe fk 6210 kn w County of IA Q [.-1 Cn bue t do hearby certify that re. K SF 1 r-w personally appeared before me this 17 day of No ✓eN, be / f e'ZO f and acknowledge the due execution of the Operations and Maintenance Agreement. Witness my hand and official seal, Ale CgUj NotatV Public Gostan County M`; Commission expfifes 07/00/201Q Q. My commission expires r7r$' i7 11/1sa014 You created this PDF from an'application that is not licensed to print to novaPDF printer (http://www.novapdf.com) Page t of .Sand Filter Maintenance Requirements Important maintenance procedures: - The drainage area will be carefully managed to reduce the sediment load to the sand filter. - The sedimentation chamber or forebay will be cleaned out whenever sediment depth exceeds six inches. - Once a year, sand media will be skimmed. - The sand filter media will be replaced whenever it fails to function properly after maintenance. The sand filter shall be inspected quarterly and within 24 hours after every storm event greater than 1.0 inches (or 1.5 inches if in a Coastal County). Records of operation and maintenance will be kept in a known set location and will be available upon request. Inspection activities shall be performed as follows. Any problems that are found shall be repaired immediately. BMP element: Potential problem: How to remediate the problem: Entire BMP Trash/debris is present. Remove the trash/debris. Adjacent pavement (if Sediment is present on the Sweep or vacuum the sediment as soon as possible. applicable) pavement surface. Perimeter of sand filter Areas of bare soil and/or Regrade the soil If necessary to remove the gully, and then plant a erosive gullies have formed. ground cover and water until It is established. Provide lime and a one- time fertilizer application. Vegetation is too short or too Maintain vegetation at an appropriate height. long. - Flow diversion structure The structure is clogged. Unclog the conveyance and dispose of any sediment offsite. The structure is damaged. Make any necessary repairs or replace if damage is too large for repair. The inlet device The pipe is clogged. Unclog the pipe. Dispose of the sediment off -site. The pipe is cracked or Replace the pipe. otherwise damaged. Erosion is occurring in the Regrade the swale if necessary to smooth it over and provide erosion swale. control devices such as reinforced turf matting or riprap to avoid future problems with erosion. Stone verge is clogged or Remove sediment and replace with clean stone. covered in sediment (if applicable). Forebay or pretreatment Sediment has accumulated to Search for the source of the sediment and remedy the problem if area a depth of greater than six possible. Remove the sediment and stabilize or dispose of it in a inches. location where it will not cause impacts to streams or the BMP. Erosion has occurred. Provide additional erosion protection such as reinforced turf matting or riprap if needed to prevent future erosion problems. Weeds are present. Remove the weeds, preferably by hand. If a pesticide is used, wipe it on the plants rather than spraying. Filter bed and underdrain Water is ponding on the Check to see if the collector system is clogged and flush if necessary. collection system surface for more than 24 If water still ponds, remove the top few inches of filter bed media and hours after a storm. replace. If water still ponds, then consult an expert. The outlet device Clogging has occurred. Clean out the outlet device. Dispose of the sediment off -site. The outlet device is damaged Repair or replace the outlet device. The receiving water Erosion or other signs of Contact the local NC Department of Environment and Natural damage have occurred at the Resources Regional Office. outlet. 11/1912014 You created this PDF from an application that is not licensed to print to novaPDF printer (http://www.novapdf.com) Page 2 of 2