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HomeMy WebLinkAboutSW7120114_CURRENT PERMIT_20120314STORMWATER DIVISION COOING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW 7Ia1�� DOC TYPE � CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE DOC DATE „2)/a/2 5 YYYYMMDD 'A A wotRo NCDENR North Carolina Department of Environment and Natural Resources Division of Water Quality Beverly Eaves Perdue Charles Walkid Dee Freeman Governor Director Secretary March 14, 2012 Eastern Pride Inc. Attn: Mr. Barnes Boykin 2405-F Nash Street Wilson, NC 27896 Subject: Stormwater Permit No.SW7120114 Family Dollar Store - Washington, NC High Density Stormwater Project Beaufort County Dear Mr. Boykin: The Washington Regional Office received your completed application for a Stormwater Management Permit on February 16, 2012. Staff review of the plans and specifications has determined that the subject project will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1000. We are forwarding Permit No. SW7120114 dated March 14, 2012 for the subject project. This permit shall be effective from the date of issuance until March 14, 2020, and shall be subject to the conditions and limitations as specified therein. Please pay special attention to the Operation and Maintenance requirements in this permit and in the submitted application. Failure to establish an adequate system for operation and maintenance of the stormwater management system will result in future compliance problems.. If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to request an adjudicatory hearing upon written request within thirty (30) days following receipt of this permit. This request must be in the form of a written petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer 27447, Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding. North Carolina Division of Water Quality Internet: www,ncwaterquaGty.or� 943 Washington Square Mail Phone: 252-946-6481 One Washington, NC27889 FAX 252-946-9215 NorthCarolina An Equal opportunitylAffirmative Action Employer— 50% Recycledl10% Post Consumer Paper Natunally K Page 2 of 9 Eastern Pride, Inc March 14, 2012 Page Two If you have any questions, or need additional information concerning this matter, please contact either Bill Moore, or me at (252) 946-6481. Si cerely, 9 Regional Supervisor Surface Water Protection Section cc: Pamlico Engineering Services, PLLC Beaufort County Planningllnspections /`N ,ashington Regional Office Page 3 of 9 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY STATE STORMWATER MANAGEMENT PERMIT HIGH DENSITY DEVELOPMENT In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other applicable Laws, Rules, and Regulations PERMISSION IS HEREBY GRANTED TO Eastern Pride, Inc Mr. Barnes Boykin Beaufort County FOR THE construction, operation and maintenance of a bioretention system in compliance with the provisions of 15A NCAC 2H .1000 (hereafter referred to as the "stormwater rules`) and the approved stormwater management plans and specifications and other supporting data as attached and on file with and approved by the Division of Water Quality and considered a part of this permit for the Family Dollar Store located off River Road in Washington, NC. This permit shall be effective from the date of issuance until March 14, 2020 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. This stormwater system has been approved for the management of stormwater runoff as described in Section 1.5 on page 4 of this permit. 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 and permit. 4. The tract will be limited to the amount of built -upon area indicated on page 4 of this permit,.and per approved plans. The runoff from all built -upon area within the permitted drainage areas of this project must be directed into the permitted stormwater control system. Page 4 of 9 5. The following design criteria have been provided for the construction of the wet pond system and must be maintained at design condition: a. Total Site Area: 1.76 acres b. Impervious Area: 0.65 acres C. Required Storage Volume: 3556 cf d. Provided Storage Volume: 4984 cf e. Provided Surface Area: 5047 sf If. Design Storm: 1.5-inch g. Receiving Stream: UT -Spode Creek h. Classification of Water Body: C-NSW II. SCHEDULE OF COMPLIANCE The stormwater management system shall be constructed in its entirety, vegetated and operational for its intended use prior to the construction of any built -upon surface. 2. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. 3. The permittee shall at all times provide the operation and maintenance necessary to assure the permitted stormwater system functions at optimum efficiency. The approved Operation and Maintenance Plans 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. Mowin.9 and revegetation of slopes and the vegetated filter. d. Immediate repair of eroded areas. e. Maintenance of all slopes in accordance with approved plans and specifications. f. Debris removal and unclogging of bypass structure, filter media, flow spreader, catch basins, piping and vegetated filter. g. A clear access path to the bypass structure must be available at all times. 4. Records of maintenance activities must be kept and made available upon request to authorized personnel of DWQ. The records will indicate the date, activity, name of person performing the work and what actions were taken. { Page 5 of 9 5. The facilities shall be constructed as shown on the approved plans. This permit shall become voidable unless the facilities are constructed in accordance with the conditions of this permit, the approved plans and specifications, and other supporting data. 6. 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 the system installed 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. Access to the stormwater facilities shall be maintained via appropriate easements at all times. 9. 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 or a CAMA Major permit was sought. f. Filling in, altering, or piping of any vegetative conveyance shown on the approved plan. 10. The permittee shall submit final site layout and grading plans for any permitted future areas shown on the approved plans, prior to construction. 11. A copy of the approved plans and specifications shall be maintained on file by the Permittee at all times. 12. 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. Page 6 of 9 13. This permit shall be effective from the date of issuance until March 14, 2020. Application for permit renewal shall be submitted 180 days prior to the expiration date of this permit and must be accompanied by the processing fee. Ill. GENERAL CONDITIONS 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 formal permit transfer request to the Division of Water Quality, accompanied by a completed name/ownership change form, documentation from the parties involved, and other supporting materials as may be appropriate. The approval of this request will be considered on its merits and may or may not be approved. The permittee is responsible for compliance with all permit conditions until such time as the Division approves the transfer request. 2. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to enforcement action by the Division of Water Quality, in accordance with North Carolina General Statute 143-215.6A to 143-215.6C. 3. 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. 4. 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. 5. 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. 6. The permit may be modified, revoked and reissued or terminated for cause. The filing of a request for a permit modification, revocation and reissuance or termination does not stay any permit condition. 7. 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. 8. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. A copy of the approved plans and specifications shall be maintained on file by the Permittee for the life of the project. Page 7 of 9 9. The permittee shall notify the Division of any name, ownership or mailing address changes within 30 days. Permit issued this the 'loth day of March, 2012. OLINA ENVIRONMENTAL MANAGEMENT COMMISSION =C'r NVA"MIr Division of Water Quality By Authority of the Environmental Management Commission Permit Number SW7120114 Page 8 of 9 Stormwater Permit No. SW7120114 Bioretention System Family Dollar - Washington, NC Beaufort County Designer's Certification 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) 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. Note: The checklist on the following page must be included with this Certification. Any changes or deviations from the approved plans and specifications must be explained in detail, and may require a permit modification. The certification forms should be submitted to the Division of Water Quality at the appropriate Regional office. SEAL Signature Registration Number Date i Page 9 of 9 Com fete this checklist for each system and include with Certification: 1. The drainage area to the system contains approximately the permitted acreage. 2. The drainage area to the system contains no more than the permitted amount of built -upon area. 3. All the built -upon area associated with the project is graded such that the runoff drains to the system. 4. All roof drains are located such that the runoff is directed into the system. 5. The bypass structure elevations are per the approved plan. 6. The bypass structure is located per the approved plans. 7. A Trash Rack is provided on the outlet/bypass structure. 8. All slopes are grassed with permanent vegetation. 9. Vegetated slopes are no steeper than 3:1. 10. The inlets are located per the approved plans and do not cause short-circuiting of the system. 11. The permitted amounts of surface area and/or volume have been provided. 12. All required design depths are provided. 13. All required parts of the system are provided. 14. The required system dimensions are provided per the approved plans. 1-110y COOP1 R =,.r,' ''f I rN MICA-IAR. S. RE.GAN S. SMITH !rrle);'i?r� 1.>rrr,rnif� Eastern Pride, Inc. Attention: Mr. Barnes Boykin 2405-F Nash Street Wilson, NC 27896 Dear Mr. Boykin: �Vo_R NC.,P i 111 C..Ai� .) E.I iA E110I nrrn<r?nlaI Qualify August 16, 2019 Subject: Stormwater Permit No. SW7120114 Renewal Family Dollar Store — Washington, NC High Density Stormwater Project Beaufort County A Division of Energy, Mineral, and Land Resources file review has determined that Stormwater Permit SW7120114 for a stormwater treatment system consisting of a bioretention system serving the Family Dollar Store located on Hwy 32, Washington, NC expires on March 14, 2020. This is a reminder that permit renewal applications are due 180 days prior to expiration. We do not have a record of receiving a renewal application. Please submit a completed permit renewal application along with a $505.00 fee for permit renewal. Also, it was noted in the file review that a designer's certification that the project was constructed in accordance with the approved plans as required by the permit has not been submitted. Please include this with your application. Permit application forms for renewal can be found on our website at: :' ... _ �:-.. �: -'s 1�.� ; ':: i... l!'i f�t .o'i-r, !'r4.'-i i�li; s •. 4S- r';li iil_.i North Carolina General Statutes and the Coastal Stormwater rules require that this property be covered under a stormwater permit. Failure to maintain a permit subjects the owner to assessment of civil penalties. If you have questions, please feel free to contact me at (252) 948-3923. 1 will be glad to discuss this by phone or meet with you. If you would like, I can e-mail you a copy of the application forms. You can request a copy by e-mailing me at Sincerely, k Roger K. Thorpe Environmental Engineer r A, Nnrlh[':,inliwrlirpo,Iinvio0'Giivi- Iy31ii�ri5iran�,ik.inrrr.lS',h1i�1�•i':�I:n,[I![��1,7Rr:'sV+u-[:r:,y E Q� Vdsltiix�rnn 4irn rni.,l ! lfik :. [5.t',; W;q:4rlr, )1nr! }quart \4a!I 14Voslsingtun. IJ +I h l:al'[ Ilrr! J','73i3') swCW r/z�/iZ__- DWQ USE ONLY Date Received ZFee Paid Permit /Number Applicable Rules: ❑ Coastal SW -1995 ❑ Coastal SW - 2008 ❑ Ph H - Post Construction (select all that apply) ❑ Non -Coastal SW- HQW/ORW Waters ❑ Universal Stormwater Management Plan ❑ Other WQ M t Plan: State of North Carolina � � � � �'� �// � D Department of Environment and Natural Resources Division of Water Quality F E B 16 2012 STORMWATER MANAGEMENT PERMIT APPLICATION FORM This form may be photocopied for use as an original 1 f I. GENERAL INFORMATION D V Vj Q" Y V n' /'SRO 1. Project Name (subdivision, facility, or establishment name -should be consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): / Washington - Family Dollar) 2. Location of Project (street address): NC Hwy 32 River Road City: W ashington County:Beaufort Zip:27889 3. Directions to project (from nearest major intersection): 500' East of NC 32 and Brick Kiln Road 4. Latitude:.35 ° 3T 3.67" N Longitude:77 " 1' 22.64" W of the main entrance to the project. II. PERMIT INFORMATION: 1. a. Specify whether project is (check one): ®New ❑Modification 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* El Completed* *provide a designer's certification 2. Specify the type of project (check one): ❑Low Density ; ®High 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 DWQ requesting a state stormwater management permit application, list the stormwater project number, if assigned, and the previous name of the project, if different than currently proposed, 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:1.76 ac of Disturbed Area ❑NPDES Industrial Stormwater 0404/401 Permit: Proposed Impacts b.If any of these permits have already been acquired please provide the Project Name, Project/Permit Number, issue date and the type of each permit: Form S WU- I0 I Version 07July2009 Page I of 6 .'ri' L_ r. ' ." �; ;i t �I f� .-r 1r,1�i � p � •Fl � . .: i.,t �' ( .I r1_ f T f r, � .Li � f ,fJ iJ1 7i11 Ji. 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Print Applicant / Signing Official's name and title (specificalIy the developer, property owner, lessee, designated government official, individual, etc. who owns the projeect): Applicant/Organization:Eastern Pride Inc. a Signing Official & Title:Barnes Boykin _ b.Contact information for person listed in item la above: Street Address:2405-F Nash Street City: W ilson State -.NC Zip:278% Mailing Address (if applicable): City: State: Zip: Phone: ( 1 Fax: Email: 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:Clared LLC - Howard W. Cadmus Signing Official & Title:President b. Contact information for person Iisted in item 2a above: Street Address:P o Box 724 City: Washington_ State:NC Zip:27889 Mailing Address (if applicable): City: State: Zip: Phone: (252 Fax: ( 2 ... } Email: 3. a. (Optional) Print the name and title of another contact such as the projects construction supervisor or other person who can answer questions about the project: Other Contact Person/ Organization:Selden.Taylor - Stock and Taylor Construction Co. _ Signing Official & Title:Selden Taylor, P.E. President b.Contact information for person listed in item 3a above: Mailing Address:1825 Carolina Ave City:Washington State:NC Zip:27889 Phone. (252 ) 975-5855 T Fax: - Email: 4. Local jurisdiction for building permits: City of Washineton Point of Contact:AlIen Pittman Phone #; f252} 975-9300 Form SWU-10I Version 07July2009 Page 2 of 6 w IV. PROJECT INFORMATION 1. In the space provided below, hLLefly summarize how the stormwater runoff will be treated. Stormwater runoff from the development shall be treated through vegetated swales and ultimately into a grassed Lined bio retention facifil1y. The flow will then infiltrate into the soil 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.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 Tar Pam River basin. 4. Total Property Area: 1.76 1 acres 5. Total. Coastal Wetlands Area: 0.43 - acres 6. Total'Surface Water Area: 0 acres 7. Total Property Area (4) - Total Coastal Wetlands Area (5) - Total Surface Water Area (6) = Total Project Area+: 1.33 acres Total project area shall be calculated to exclude the following: the normal pool of impounded structures, the area between the banks of streams and rivers, the area below the Normal High Water (NHM lure or Mean High Water (MHM line, and coastal wetlands landward from the NHW (or MHM line. The resultant project area is used to calculate overall percent built upon area (BUA). Non -coastal wetlands landward of the NHW (or MHM line may be included in the total project area. 8. Project percent of impervious area: (Total Impervious Area / Total Project Area) X 100 = 48.5 % 9. How many drainage areas does the project have72 (For high density, count 1 for each proposed engineered Stormwater SMP. For Iow 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 Drainage Area 1 Drainage Area 2 Drainage Area Drainage Area _ Receiving Stream Name Snode Crk Snode Crk Stream Class * C-NSW CNSW Stream Index Number * 29-3-4 29-3-4 Total Drainage Area (so 58,345 18730.8 2 r On -site Drainage Area (so 58,345 18730.8 Off -site Drainage Area (so - - Pro osed Ime2rvious Area** (sq 28306 a 0 r S /• 3 % Impervious Area** total 48.8 0 Impervious** Surface Area Draina a Area 1 Drainage Area _ Drainage Area _ Drainage Area _ On -site Buildings/Lots (so 8010 0 0 On -site Streets (so 0 0 On -site Parkin (so 20,296 0 On -site Sidewalks (so 0 0 Other on -site (so 0 0 Future (so - 0 Off -site (sf) - 0 Existing BUA*** (so - Total (so: XM6 1 0 Stream Class and Index Number can be determined at: lrttp//h2o.enr.state.rrc.us/biros/reports�repartsWB�hhnl *" Imppervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc. * Report only that amount 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 07Ju1y2009 Page 3 of 6 �- 7:. 'li •S � j .�rLl: .. 1 i� 1 f,l, '.! , \ ,.f+!' l!: }, ''( rll.'7S.r .•y '.,[iG�' �:1 Il .S .- .�.. -- .Wilt. is .'i}. IYf. ._ � _. ,yr,,' _' f -• lr 1J_ 'I r' _. '_...�.. _ .- A,_ _• ( ._ - •-. r'. ' f '_...fJ a r 1�-tr •?� , ',•! r l' 'far trh' r 1 � �C, .'�" �sF , 1.al+, it 11�: }-- .. +• -- - .'+ ,:', rf.'i' il' . '� +.. i Li,) �'"� : ' 1 :, _ _ _ -• J :f.'J ,'1-I`-,'�+r}' � };•:_'. ' l i7t r• +.., 1 - r,+i , .,, I., tf: itfi - � 'irf '.1 :'if� ..'f I#tJ �' t+' fi• a ., ,. � .. 1, r A' l +, .. i 1 .. 4 . i � . e ,•. . .' 4 4 .,''+ ', ! ,.l., .. ,-' S' . ,' '`++ ,I r.' ., .•yr - �i, r'!, � 11 si 1l'.,, '.., . _No! I "'., :M'",� •I+A 'i'it �.: i1C; I_,..i,lf(}f.r fEhr!. k �f;::'• r-.-- � t 1•i t. .f`i .3 € .. i'! 37,}1 J ('`c[. 'J � � i- 1'ilri F,r Y,f' ,tf%i`., tt. l "• ! r' . "r f .,••b , ,' +i , `• sr, r'1 if +t 1 •'l f '3,11 r>` ' ,,•�Jt ,�h!•I. J ,+-I is t Ir, ' +.a " !I ,;._I 1,tif_'r111, tt -if, - ----_ '_'- -'.-- ---" rl '.'•r ,' r- •'"Y'.1 •' f.�1— .. { ..cr _,_. .t. -- — � f - _" .J"F -1 r.! rt :.t N , 1. •:Ti tr ' ' ' is 't;' � •1 1 1, 1t', + Y.'..+ 444' 'Srt'' t ., l , { " r'7 ''; 4 1 ' Permit Number: . (to be p wvded by DWO Draiaagc Area Namber. Bioretention Operation and Maintenance Agreement I will keep a maintenance record on this BMP. This maintenance record will be kept in a tog in a known set location. Any deficient BW elements noted in the inspection will be corrected, repaired or replaced immediately. These deficiencies can affect the integrity of structures, safety of the public, and the removal efficiency of the BW. Important operation and maintenance procedures: — Immediately after the bioretention cell is established, the plants will be w VE twice weekly if needed until the plants become established (commonly s"RE C E I weeks). — Snow, mulch or any other material will NEVER be piled on the surface of the F E 8 16 2012 bioretention cell. — Heavy equipment will NEVER be driven over the bioretention cell. — Special care will be taken to prevent sediment from entering the bioreter� —Q —� t /� R C — Once a year, a soil test of the soil media will be conducted. V V /'� After the bioretention cell is established, I will inspect it once a month 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. BW element: Potentialproblems: How I will remediate theproblem: The entire BMP Trash debris is present Remove the trash debris. The perimeter of the Areas of bare soil and/or Regrade the soil if necessary to bioretention cell erosive gullies have formed. remove the gully, and then plant a ground cover and water until it is established. Provide Time and a one-time fertilizer !eLhcation. The inlet device: pipe, The pipe is clogged (if Unclog the pipe. Dispose of the stone verge or Swale a linable - sediment off -site. The pipe is cracked or Replace the pipe. otherwise damaged (if applicable). Erosion is occurring in the Regrade the swale if necessary to swale (if applicable). smooth it over and provide erosion control devices such as reinforced turf matting or riprap to avoid futureREablerrts with erosion. Slane verge is clogged or Remove sediment and clogged covered in sediment (if stone and replace with dean stone. livable . Fonn SW401-Bioretention O&M-Rev-3 Page i of 4 r i I� �£^ � 1� Y •� i � �4 { r � � � 1 j _ . II .mil' ,}r r,{� • r'�� � .4�1i mil,, tY. II k-41 • »' ,r _ 1 yi •ter .� - � i ly -:! � t� h l 1 • 1 J. �l .. T 1T BMP element: Potentialproblems: How I will remediate the problenc The pretreatment area Flow is bypassing Regrade if necessary to route all pretreatment area and/or flow to the pretreatment area. gullies have formed. Restabilize the area after din . Sediment has accumulated to Search for the source of the a depth greater than three sediment and remedy the problem if inches. possible. Remove the sediment and re,,ta_hilize the pretreatment area. Erosion has occurred. Provide additional erosion protection such as reinforced turf matting" or riprap if needed to prevent future erosion problems. Remove the weeds, preferably by hand. Weeds are present. The bioretention cell: Best professional practices Prune according to best professional vegetation show that pruning is needed practices. to maintain optimal plant health. Plants are dead, diseased or Determine the source of the dying. problem: soils, hydrology, disease, etc. Remedy the problem and replace plants. Provide a one-time fertilizer application to establish the ground cover if a soil test indicates it is n Tree stakes/wires are present Remove tree stake/wires (which six months after planting can kill the tree if not removed). The bioretention cell: Mulch is breaking down or Spot mulch if there are only random soils and mulch has floated away. void areas. Replace whole mulch layer if necessary. Remove the remaining much and replace with triple shredded hard wood mulch at a maximum qq± of three inches. Soils and/or mulch are Detern ine the extent of the clogging clogged with sediment - remove and replace either just the bop layers or the entire media as needed. Dispose of the spoil in an appropriate off -site location. Use triple shredded hard wood mulch at a maximum depth of three inches. Search for the source of the sediment and remedy the problem if An annual soil best shows that Dolomitic lime shall be applied as pH has dropped or heavy recommended per the soil test and metals have accumulated in toxic soils shall be removed, the soil media. disposed of properly and replace{ with new lam ' media. Form SW401-Bioretention O&M-Rev.3 Page 2 of 4 I fit :lT�l� f i 3 .:�'�:� ` :,I. f .. ....., f,r7ni � , 1, •�1=�= 3 _ r.. -- - .= t x ft ' 'r ✓1 '., - IY !r 'Tli1-�,� L x., �i;' 1 • t. ... R'' JF ! .,It ,, .: fl• ii� 1": Pi,,!1,_: -fr v; 1 1 I !' — - •_���'' y �i ��_�. �S'3t..Jfi.r '1'. I .)�-r— . .,J° ' :f7.'J•1 l r. ° r.{' I '.�•' Ir+ .. -ri ,'f •. -: 1!' .; '..i.1:, 'J3'f7 'l� �, i 1 .'.rl.-.'i L''"`": 'r • L •' i 1 �• � �,�'j, � ::tar -,y-, .' r,� ,c� i ix 1111P. 1 r .'iF •fl-�trr ,-1'(,�'R 7j: t„..^ (27 i �-'r, .. n >L "{ ma`s' . �.: .}�� I I ..a z r�', 3{• ` , ;t.,;'or.•; BMP element i Potential blems: How I wiA remediate the Mklexpu The underdrain system Clogging has occurred. Wash out the underdrain system if applicable) The drop inlet Clogging has occurred. Clean out the drop inlet. Dispose of the sediment off -site. The drop inlet is dams Repair or replace the drop inlet. The receiving water Erosion or other signs of Contact the NC Division of Water damage have occurred at the Quality 401 Oversight Unit at 919- outiet. 733-1786. Form S W401-Bioretention 0&M-Rev.3 Page 3 of 4 •` •IFS ♦I � f • ! 1L Permit Number. (to be provided by DWQ) I acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party. Project nameTamily Dollar Washin n River Road BAP drainage area number. I Address:2405-F Nash Street Wilson. N C - ,r-z-%— - Note: The legally responsible party should not be a homeowners association unless more than 50% of the lots have been sold and a resident of the subdivision has been named the president. 1, 1 a Notary Public for the State of ty of do hereby certify that A.-.d Xonally appeared before me this I(� day of " LO J L' and acknowledge the due execution of the requirements. Witness my hand and official seal, My commission expires t���� Form SW40I-Rioretention I&M-Rev. 2 Page 4 of 4 .�P s `s1 .. ' ` -i t3 - ff' _ .� :f ,1'�el� it _ .f�. • ►!9 .. _ • ft. t. • 1w� '', u . ( • a:. '1' -.tC� t -� Ja -a * I � r 1,� :i l' r 1," . ii ^—_ ____ .� _� _. _—.. _ _� � __ _... t. �. •_...•/._ .tti.�' :;ET �. _ .�l.nit—Y;tr 7. ,1't,� t•...11�..t ti t ti t 1 r, f Lid 4• :l''... •zE7:. i-.��E•,,• •�.. ",',` .1 �;:�• r•:.�AE,>:r. �,,,, , �,�. ,,, ,LL..,• .:�[1��•yi f nt� 1`I 1 Permit Number. (to be provided by DWG?) STORMWATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFICATION APPLICATION FORM BIORETENTION CELL SUPPLEMENT This (omr must be filled out, printed and submitted. The Required Items Cheddist (Part 111) must be printed, filled out and submitted afong *0 all of the requkW irrfomwhw. meet name Contact name Phone number Date Drainage area number Site Charwterlstfcs Drainage area Impervious area Pemnt impervious Design rahrfall depth Peak Flow Caicutations Is prelpost control of the 1-rr, 24-hr peak flow required? 1-yr, 24-hr runoff depth 1-yr, 24-hr intensity Pr&devetopment 1-yr, 24-hr peak flow Post -development 1-yr, 24-hr peak flow Pre/Post 1-yr, 24-hr peak control Storage Volume: Non -SA Waters Minimum volume required Volume provided Storage Volume: SA Waters 1.5' runoff volume Pre -development 1-yr, 24-hr runoff Post -development 1-yr, 24-hr runoff Minimum volume required Volume provided Cell Dimensions Pending depth of water Ponding depth of water Surface area of the top of the bloietentton cell Length: Width: -or- Radius Media and Sails Summary Drawdown time, ponded volume Drawdown time, to 24 indtes below surface Drawdown dme, total: In-artu sal. Soil permeability PfanBng media soli.' Soil permeability Soil composition % Sand (by volume) % Fines (by volume) % Organic (by volume) Phosphorus Index (P-Index) of media Form SW401-Bforetentlon-Rev.a June 25, 2010 Family Dollar 2 Bemes Boykin 252-230-06M February 15, 2012 1 57,935 iiz 28,306 fi3 ✓ 48.9% % 1.5 inch Y (Y or N) 3.5 in 0.15 in/hr 2.100 felsec 4.020 felsec 1.920 felsec 3,555.8 f13 +� 4,984.0 ft3 OK 3,555 It, 0, f13 0ft3 3,555 ft ft3 l 12 inches OK 1.00 ft 5,0470 ft' '� OK 103 It OK 49 ft OK ft 6 hr OK 9 hr OK 15 hr 4.50 irdhr OK 2.00 Mr OK 85% OK 10% OK 5% OK Total: 100% 10 (unitless) OK RECEIVED F E B 16 2012 DWQ-WARO Parts I and If. Design Summary, Page 1 of 2 Y 10, co r� 3 J?'' - ii l 1r4l t1 { .. ' : i-•. ,tl. . '. .'{,E' .w► 1 � , .. ,' .asp .. ; . . Permit Number: (to be provided by DWO) Swint Elevafte Temporary pool elevdM Type of bbmterrtivn cell (answer'Y' to My one of the two following questions): Is this a grassed cell? Is this a cell with tresslshnubs? Planting elevation (top of the mulch or grass sod layer) Depth of mulch Bottom of the plardfng media soil Planting media depth Depth of washed sand below planting media soil Are underdrains being installed? Blow many clean out pipes are being Installed? What favor of safety is tised for slang the itmderdirains? (See BMP Manual Section 12.3.6) Additional distance between the bottom of the planting media and the bottom of the cell to accaurd for underdrains Bottom of the cell required SWWT elevation Distance from bottom to SHWT Intemal Water Storage Zone DNS) Does the design include IWS Elevation of the top of the upturned elbow Separation of IWS and Surface Planting Plan Number of tree species Number of shrub species Number of herbaceous groundcover species Addldo,nal Infomra ion Does volume in excess of the design volume bypass the bioretentlon cell? 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 now? Is the BMP located at least 30 feet from surface water; (50 feet ff SA waters)? Is the BMP located at least 100 feet from water supply wells? Are the vegetated We slopes equal to or less than 3:1? Is the BMP located in a proposed drainage easement with acaema to a public Right of Way (ROW)? Inlet velocity (from treatment system) Is the area surrounding the cell likety to undergo devebptment to the future? 10.57 f nsl Y (Y or N) OK N (Y or N) 9.57 fmsl 0 Inches Insuf icienf mulch depth, unless installing grassed cell. 7.57 fmsl 2ft 0 ft n (Y or N) 0 InsuffiEient number of dean out pipes provided. 0 Insiffoent factor of safety. Oft 7.57 fmsl Z 5.57 fmsl 2ft OK N (Y or N) fmsl 9.57 it 0 0 0 Recommend more species. Y (Y or N) OK N (Y or N) Excess vd mte must pass through filter. Oft N (Y or N) Show how flow is overtly diluted. Y (Y or N) OK Y (Y or N) OK Y (Y or N) OK Y (Y or N) OK 3 ft/sec 1=0=d robot vim' unless energy dissipating devices are being used. n (Y or N) OK Are the slopes drab" to the bluretwkin cell greater than 20%? N (Y or N) OK Is the drainage area perrmartently stabilized? Y (Y or N) OK Pretreatment Used (Indicate Type used with an'r in the shaded cell) Gravel and grass (S°inches gravel followed by 3-6 ft of grass) Grassed $wale Forebay Other x OK Form SW401-Bioretentlon-Rev.8 June 25, 2010 Parts I and II. Design Summary, Page 2 of 2 'Jw. . d j, 'llp -,k%.Ar,i , o tc C. 1 0 T T :.I: I Ji 'YL I Permit No: (to be assigned by DWQ) HI,�REQUIRED'ITEMS;CHECKL'IST ,T-,;''A:J'V-RRWz 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 addWonat 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. Page! Plan Inwa Sheet No. d� �. 1. Plans (1' - 50' m target of the enEffe alto shawnrg: - Design at ultimate build-oul, - Off -site drainage (if applicable), - Delineated drainage basins (include National C coefficient per basin), - Cell orlensior1% - Pre reahtMent system, High fbw bypass system, - Maintenance access, - Recorded drainage easement and public right of way (ROW), - Clean out pipe locations, - Overflow device, and Boundaries of drainage easerr►ent. 2. Plan details (1' = W or larger) for the biorebentiar cell showing: - Cell di nemions - Pretreatment system, - High flow bypass system, - Maintenance access, Recorded drainage easement and public right of way (ROW), - Design at ultimate build -out, Off -site drainage (if applicable), - Clean out pipe locations, - Overflow device, and - Boundaries of drainage easement - Indicate the P-Index betww 10 and 30 coo 3 3. Section view of the Woretsntior cell (1' = 27 or larger) shmft: Side slopes, 3.1 or lower - llnderdrain system (if applicable), and - Bioretention cell layers [ground level and siope, pre4realmeK ponding depth, mulch depth, fill media depth, washed sand, filter fabric (or choking stone if applicable), #57 stone, urderdrains (If appfio "), SHWT level(s), and overflow structure] 4. A soils report that is based upon an actual field investigation, soil borbW, and infiltration tests. The results of the soils report must be verified in the field by DWa by cmoe&Q & submitting the sons investigation request form. County soil maps are not an acceptable source of soils information. AN elevaticxns shall be in feet mean sea level (fr*. Results of sob tests of bath the planting soil and the in situ sort must include: - Soil penneabrTrty, - Sal composition (% sand, % fines, % organic), and ��/� Pam. 5. A detailed piambng plan (1' = 2V or larger) prepared by a qualified individual showing: - A variety of suitable species, - Sipes, spacing and locations of plantings, - Toted quantity of each type of plant specified, - A plarrting detail, - The source nursery for the plants, and - FartiTmar and watering requirements to estabristn vegetation. Ca 3 6. Aaonstructiarn sequence that shows how the biorefiention Dell will be protected from seftrnenf until the entire drainage area is stabn7ized. The supporting calculalions (mdudmg underdrain calculations, if applicable). 8. A copy of the signed and notarized Inspection and maintemmm (IW agreement a. A Dopy at the deed restnctiar. Form SW401-131oretenlion-Rev.7 Pan III, Pape 1 or 7