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HomeMy WebLinkAboutSW8101106_CURRENT PERMIT_20220831STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW8 to ocop DOC TYPE © CURRENT PERMIT ❑ APPROVED PLANS ❑ HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE 2 0 2 2 0 t 31 YYYYMMDD ROY COOPER Governor EUzABETH S. BISER Secretary BRIAN WRENN Director August 31, 2022 Marine Corps Base Camp Lejeune Attn: Neal Paul, Deputy Public Works Officer 1005 Michael Road Camp Lejeune, NC 28547 NORTH CAROLINA Environmental Quakty Subject: Permit Renewal Post -Construction Stormwater Management Permit No. SWS 101106 Physical Fitness Center MCAS New River P714 Onslow County Dear Mr. Paul: Effective August 1, 2013 the Post -Construction Stormwater Management Program has been transferred from the Division of Water Quality ("DWQ") to the Division of Energy, Mineral and Land Resources ("DEMLR"). All previous references to DWQ will remain in older permits issued prior to August 1, 2013 until they are modified. Please note that this permit will now reference DEMLR as the Division responsible for enforcement of the permit. The Division of Energy, Mineral and Land Resources received a complete 8-year Permit Renewal Application for the subject permit on August 10, 2022. The Division is hereby notifying you that permit SW8101106 has been renewed, updated, and re -issued on August 31, 2022, as attached. Please be aware that the renewal and re - issuance of this stormwater permit does not imply that the site is currently in compliance. This permit shall be effective until December 31, 2029 and does not supersede any other agency permit that may be required. The project shall be subject to the conditions and limitations as specified therein. This permit does not impose new or increased stormwater control requirements; it clarifies the rules and requirements of this program to provide you with a better understanding of your obligations under this permit. Failure to comply with these requirements will result in future compliance problems. Please note that this permit is not transferable except after notice to and approval by the Division. 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). The written petition must conform to Chapter 150E of the North Carolina General Statutes and 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.NCOAH.com. Unless such demands are made this permit shall be final and binding. If you have any questions concerning this permit, please contact Ashley Smith in the Wilmington Regional Office, at (910) 796-7215 or ashleym.smith@ncdenr.gov. Sincerely, ,Brian Wrenn, Director Division of Energy, Mineral and Land Resources If ®. Rz North Carolina Department of Environmental Quality I Division of Energy, Mineral and Land Resources Wilmington Regional Office 1 127 Cardinal Drive Extension I Wilmington, North Carolina 28405 �� 910.796.7215 State Stormwater Permit No. SW8 101106 Page 2 of 2 Enclosures: Attachment A — Designer's Certification Form Attachment C — Permitting History Renewal Application Documents DES/ams: %Stormwater\Permits & Projects\20 I 0\ 10 1106 HD\2022 08 permit 101106 cc: Wilmington Regional Office Stormwater File Aft,v North Carolina Department of Environmental Quality I Division of Energy, Mneral and Land Resources Wilmington Regional Office 1 127 Cardinal Drive Extension I Wilmington. North Carolina 2a405 910.796.7215 State Stormwater Management Systems Permit No. SW8 101106 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF ENERGY, MINERAL AND LAND RESOURCES POST -CONSTRUCTION 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 USMCB Camp Lejeune P-714 Physical Fitness Center Douglas Road, Onslow County FOR THE construction, operation and maintenance of six (6) bioretention basins in compliance with the provisions of Session Law 2008-211 and 15A NCAC 2H .1000 (hereafter jointly and severally referred to as the "stormwater rules') and as outlined in the application, approved stormwater management plans, supplement, calculations, operation and maintenance agreement, recorded documents, specifications, and other supporting data (the "approved plans and specifications") as attached and/or on file with and approved by the Division of Energy, Mineral and Land Resources (the "Division" or "DEMLR"). The project shall be constructed, operated and maintained in accordance with these approved plans and specifications. The approved plans and specifications are incorporated by reference and are enforceable part of this permit. This permit shall be effective from the date of issuance until December 31, 2029 and shall be subject to the following specified conditions and limitations. The permit issued shall continue in force and effect until the permittee files a request with the Division for a permit modification, transfer, renewal, or rescission, however, these actions do not stay any condition. 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 for cause as allowed by the laws, rules, and regulations contained in Title 15A NCAC 2H.1000 and NCGS 143-215.1 et.al. I. DESIGN STANDARDS 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 of this permit. The stormwater controls labeled BR-1, BR- 2, BR- 3, BR-4, BR-5 and BR-6 have been designed to handle the runoff from 108,029 ft2; 34,412 ft2; 11,761 ft2; 2,178 ft2; 2,178 ft2; and 4,356 ft2ofimpervious area, respectively. The tract and each drainage area will be limited to the amount of built -upon area as indicated in Section 1.5 of this permit, and per the application documents and the approved plans. This permit does not allow for any built -upon area within any portion of the property, in excess of the amount requested in the application. Page 1 of 7 State Stormwater Management Systems Permit No. SW8 101106 4. The runoff from all built -upon area within each of the permitted drainage areas of this project must be directed into the appropriate permitted stormwater control system. 5. The following design criteria have been met and provided in the six bioretention basins and must be maintained at design condition at all times: Units BR-1 BR-2 BR-3 BR-4 BR-5 BR-6 a.Drainage Area Acre s 4.01 1.22 0.84 0.09 0.13 0.14 Onsite: ft2 174,676 53,143 36,590 3,920 5,662 6,098 Offsite: ft2 0 0 0 0 0 0 b.Total BUA ft2 108,029 34,412 11,761 2,178 2,178 4,356 Onsite ft2 108,029 34,412 11,761 2,178 2,178 4,356 Offsite ft2 0 0 0 0 0 0 c.Design Storm inche s 1.5 1.5 1.5 1.5 1.5 1.5 d.Max. Forded Depth feet 12 12 12 12 12 9 e.TSS removal efficiency % 85% 85% 85% 85% 85% 85% f. SHWi fmsl 12 16 17.5 15 15 15 g.Basin Dimensions feet 148x82 135x29 157x20 28x10 28x10 30x18 h.Bottom Elevation fmsl 16 21 21.5 19 19 19 i. Bottom Surface Area ft2 12,536 3,765 4,645 260 260 627 < Temporary Storage Elevation fmsl 17 22 22.5 20 20 19.8 I. Average Surface Area ft2 13,266 4,238 5,202 376 376 740 m. Permitted Volume ft3 13,259 4,229 5,192 370 370 552 n.Drawdown Time hours 18 36 25 18 18 19 o. Type of cell Grass Trees Grass Grass Grass Grass p.Media depth Feet 2 3 2 2 2 2 q.Underdrainprovided? No No No No No No r.Number of plants provided Each n/a 248 n/a n/a n/a n/a s. Receiving Stream Southwest Creek t. River Basin White Oak WOK02 u. Stream Index No. 19-17-(0.5) v. Classification 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. 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 the design condition. 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 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 the BMP, outlet structure, orifice device, flow spreader, catch basins and piping. g. Access to the outlet structure must be available at all times. Page 2 of 7 State Stormwater Management Systems Permit No. SW8 101106 4. Records of maintenance activities must be kept and made available upon request to authorized personnel of DEMLR. The records will indicate the date, activity, name of person performing the work and what actions were taken. The facilities shall be constructed, operated and maintained in accordance with the provisions of this permit, the approved plans and specifications, and the supporting documents attached to this permit and on file with the Division. 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. If the stormwater system BMP is used as an Erosion Control device during construction, more frequent maintenance will be required during construction to maintain functionality. Once the drainage area is stabilized and prior to occupancy of the facility, the BMP must be fully restored to design condition. No person or entity, including the permittee, shall alter any component shown in the approved plans and specifications. Prior to the construction of any modification to the approved plans, the permittee shall submit to the Director, and shall have received approval for modified plans, specifications, and calculations including, but not limited to, those listed below. For changes to the project or SCM that impact the certifications, a new or updated certification(s), as applicable, will be required and a copy must be submitted to the appropriate DEQ regional office upon completion of the modification. a. Any modification to the approved plans and specifications, regardless of size including the SCM(s), BUA, details, etc. b. Redesign or addition to the approved amount of BUA or to the drainage area. C. Further development, subdivision, acquisition, lease or sale of any, all or part of the project and/or property area as reported in the approved plans and specifications. d. Altering, modifying, removing, relocating, redirecting, regrading, or resizing of any component of the approved SCM(s), the stormwater collection system and/or vegetative conveyance shown on the approved plan. e. The construction of any allocated future BUA. f. The construction of any permeable pavement, #57 stone area, public trails, or landscaping material to be considered a permeable surface that were not included in the approved plans and specifications. g. Other modifications as determined by the Director. 9. Access to the stormwater facilities shall be maintained via appropriate recorded easements at all times. 10. All stormwater collection and treatment systems must be located in public rights -of -way, dedicated common areas or recorded easements. The final plats for the project will be recorded showing all such required rights -of -way, common areas and easements, in accordance with the approved plans. 11. 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 3 of 7 State Stormwater Management Systems Permit No. SW8 101106 III. GENERAL CONDITIONS CORRECTIVE ACTIONS REQUIRED. If the facilities fail to perform satisfactorily, the permittee shall take immediate corrective actions. This includes actions required by this Division and the stormwater rules such as the construction of additional or replacement on -site stormwater systems. These additional or replacement measures shall receive a permit from the Division prior to construction. 2. PERMIT RENEWAL. A permit renewal request must be submitted at least 180 days prior to the expiration date of this permit. The renewal request must include the appropriate application, documentation and the processing fee as outlined in Title 15A NCAC 02H.1045(3). 3. CHANGES TO THE PROJECT NAME, PERMITTEE NAME OR CONTACT INFORMATION. The permittee shall submit a completed Permit Information Update Application Form to the Division within 30 days to making any one of these changes. 4. TRANSFER. This permit is not transferable to any person or entity except after notice to and approval by the Director. Neither the sale of the project and/or property, in whole or in part, nor the conveyance of common area to a third party constitutes an approved transfer of the permit. a. TRANSFER REQUEST. The transfer request must include the appropriate application, documentation and the processing fee as outlined in 15A NCAC 02H.1045(2). This request must be submitted within 90 days of the permit holder meeting one or more of the following: i. A natural person who is deceased; ii. A partnership, limited liability corporation, corporation, or any other business association that has been dissolved; iii. A person or entity who has been lawfully and finally divested of title to the property on which the permitted activity is occurring or will occur through foreclosure, bankruptcy, or other legal proceeding. iv. A person or entity who has sold the property, in whole or in part, on which the permitted activity is occurring or will occur V. The assignment of declarant rights to another individual or entity; vi. The sale or conveyance of the common areas to a Homeowner's or Property Owner's Association, subject to the requirements of NCGS 143- 214.7(c2); TRANSFER INSPECTION. Prior to transfer of the permit, a file review and site inspection will be conducted by Division personnel to ensure the permit conditions have been met and that the project and the on -site stormwater system complies with the permit conditions. Records of maintenance activities performed to date may be requested. Projects not in compliance with the permit will not be transferred until all permit and/or general statute conditions are met. 5. COMPLIANCE. The permittee is responsible for compliance with the terms and conditions of this permit until the Division approves the transfer request. APPROVED PLANS AND SPECIFICATIONS. A copy of this permit, approved plans, application, supplement, operation and maintenance agreement, all applicable recorded documents, and specifications shall be maintained on file by the permittee at all times. Page 4 of 7 State Stormwater Management Systems Permit No. SW8 101106 b. DIVISION ACCESS. The permittee grants Division Staff permission to enter the property during normal business hours to inspect all components of the permitted project. C. ENFORCEMENT. Any individual or entity found to be in noncompliance with the provisions of a stormwater management permit or the requirements of the stormwater rules is subject to enforcement procedures as set forth in NCGS 143 Article 21. d. ANNUAL CERTIFICATION. The permittee shall electronically submit to the Division an annual certification completed by either the permittee or their designee confirming the projects conformance with permit conditions e. OBTAINING COMPLIANCE. 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 modified plans and certification in writing to the Director that the changes have been made. OTHER PERMITS. The issuance of this permit does not preclude the permittee from complying with and obtaining any other permits or approvals that are required for this development to take place, as required by any statutes, rules, regulations, or ordinances, which may be imposed by any other Local, State or Federal government agency having jurisdiction. Any activities undertaken at this site that cause a water quality violation or undertaken prior to receipt of the necessary permits or approvals to do so are considered violations of NCGS 143- 215.1, and subject to enforcement procedures pursuant to NCGS 143-215.6. Permit renewed, updated and reissued this the 31 st day of August 2022. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION Brian Wrenn, Directbr Division of Energy, Mineral and Land Resources By Authority of the Environmental Management Commission Permit Number SW8 101106 Page 5 of 7 State Stormwater Management Systems Permit No. SW8 101106 P-714 Physical Fitness Center CC# N40085-09-D-5000 Stormwater Permit No. SW8 101106 Onslow County Attachment A Designer's Certification I, , as a duly registered North Carolina, having been authorized to observe (periodically/ weekly/ full time) the construction of the project, (Project Name) in the State of 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. The checklist of items on page 2 of this form is included in the Certification. Noted deviations from approved plans and specification: Signature Registration Number Date SEAL Page 6 of 7 State Stormwater Management Systems Permit No. SW8 101106 Certification Requirements- 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 outlet/bypass structure elevations are per the approved plan. 6. The outlet structure is located per the approved plans. 7. Trash rack is provided on the outlet/bypass structure. 8. All slopes are grassed with permanent vegetation, per the vegetation plan. 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 volume have been provided. 12. Required drawdown devices are correctly sized and located per the approved plans. 13. All required design depths are provided. 14. All required parts of the system are provided, such as plantings, a forebay, filter media and a vegetated filter. 15. The required system dimensions and elevations are provided per the approved plans. cc: NCDEQ-DEMLR Wilmington Regional Office Page 7 of 7 Attachment C - Permitting History Physical Fitness Center MCAS New River P714 Permit No. SW8 101106 Approval Date Permit Action BIMS Version Description of the Changes 12/9/2010 Original Approval 1.0 construction, operation and maintenance of six (6) bioretention basins in compliance with the provisions of Session Law 2008- 211 and 15A NCAC 2H .1000; The stormwater controls labeled BR -I, BR- 2, BR-3, BR-4, BR-5 and BR-6 have been designed to handle the runoff from 108,029 112; 34,412 ft2; 11,761 ft2; 2,178 ft2; 2,178 ft2; and 4,356 ft2 of impervious area, respectively. 8/31/2022 Renewal 2.0 Expires December 31, 2029 Permit Number: SG�sf�o��oG (to be provided by Dff'Q) Drainage Area Number: Bioretention Operation and Maintenance Agreement I will keep a maintenance record on this BMP. This maintenance record will be kept in a log in a known set location. Any deficient BMP 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 BMP. Important operation and maintenance procedures: — Immediately after the bioretention cell is established, the plants will be watered twice weekly if needed until the plants become established (commonly six weeks). — Snow, mulch or any other material will NEVER be piled on the surface of the bioretention cell. — Heavy equipment will NEVER be driven over the bioretention cell. — Special care will be taken to prevent sediment from entering the bioretention cell. — Once a year, a soil test of the soil media will be conducted. 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. BMP element Potentialproblems: How I will remediate theproblem: The entire BMP Trash/debris is present. Remove the trash/debris. The perimeter of the bioretention cell Areas of bare soil and/or erosive gullies have formed. Regrade the soil if necessary to remove the gully, and then plant a ground cover and water until it is established. Provide time and a one-time fertilizer application. The inlet device: pipe, The pipe is clogged (if Unclog the pipe. Dispose of the stone verge or swale applicable). 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 future problems with erosion. Stone verge is clogged or Remove sediment and clogged covered in sediment (if stone and replace with clean stone. applicable). NOV 2 3 2Al0 Form SW401-Bioretention O&M-Rev.3 —^i�I Page 1 of 4 BMP element: Potentialproblems: How I will remediate theproblem: 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 grading. 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 restabilim the pretreatment area. 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. 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 necessary. 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 depth of three inches. Soils and/or mulch are Determine the extent of the clogging clogged with sediment. - remove and replace either just the top 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 possible. An annual soil test 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 replaced with new planting media. EB INEDV 2 3 2010Form SW401-Bioretention O&M-Rev.3 Page 2 of 4 BMP element: Potentialproblems: How I will remediate theproblem: 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 damaged 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- outlet. 733-1786. NOV232010 Form SW401-Bioretention O&M-Rev.3 page 3 of 4 Y 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 name:P-714 Physical Fitness Center BMP drainage area number: Print Title:Deouty Public Works Officer Address:Blds 1005 Michael Rd Camp Lejeune NC 28547 Note: The legally responsible party should not be a homeowners association unless more than 50% or the lots have been sold and a resident of the subdivision has been named the president. 1, �91 �I /✓' —3xy--1 , a Notary Public for the State of Adi County of , do hereby certify that / zz k/- personally appeared before me this day of, / /d and acknowledge the due execution of the forgoing bioretention maintenance requirements. AUCE A. BONNETTE Notary Public Onelow County State of North CarggJJi�na � N Commisaion Ex ires.,&S,"(_ SEAL My commission expires'? Form SW401-Bioretention I&M-Rev. 2 Witness my hand and official seal, Page 4 of 4 r, Permit Number: (to be provided by DWQ) Drainage Area Number: %/ Bioretention Operation and Maintenance Agreement 1 will keep a maintenance record on this BMP. This maintenance record will be kept in a log in a known set location. Any deficient BMP 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 BMP. Important operation and maintenance procedures: — Immediately after the bioretention cell is established, the plants will be watered twice weekly if needed until the plants become established (commonly six weeks). — Snow, mulch or any other material will NEVER be piled on the surface of the bioretention cell. — Heavy equipment will NEVER be driven over the bioretention cell. — Special care will betaken to prevent sediment from entering the bioretention cell. — Once a year, a soil test of the soil media will be conducted. 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. BMP element: Potentialproblems: How I will remediate theproblem: The entire BMP Trash/debris is present. Remove the trash/debris. The perimeter of the bioretention cell Areas of bare soil and/or erosive gullies have formed. Regrade the soil if necessary to remove the gully, and then plant a ground cover and water until it is established. Provide lime and a one-time fertilizer application. The inlet device: pipe, The pipe is clogged (if Unclog the pipe. Dispose of the stone verge or swale applicable). 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 e control devices such as reinforced turf matting or riprap to avoid future problems with erosion. Stone verge is clogged or Remove sediment and clogged covered in sediment (if stone and replace with clean stone. applicable). NOV 2 3 2pap Form SW401-Bioretention O&M-Rev.3 Page I of 4 BMP element: Potentialproblems: How I will remediate theproblem: The pretreatment area Flow is bypassing Regrade if necessary to route all pretreatment area and/or gullies have formed. Flow to the pretreatment area. Restabilize the area after grading. Sediment has accumulated to Search for the source of the a depth greater than three inches. sediment and remedy the problem if possible. Remove the sediment and restabilize the pretreatment area. Erosion has occurred. Provide additional erosion protection such as reinforced turf matting or riprap if needed to future erosion problems. Weeds are present. _prevent Remove the weeds, preferably by hand. 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 -tune fertilizer application to establish the ground cover if a soil test indicates it is necessary. 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 depth of three inches. Soils and/or mulch are Determine the extent of the clogging clogged with sediment. - remove and replace either just the top 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 possible. An annual soil test shows that Dolomitic hme 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 replaced with new planting media. I "1232010 1Pae2of4 Form SW40 1 -Bioretention O&M-Rev.3 B BMP element Potentialproblems: How I will remediate theproblem: 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 damaged 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- outlet. 1 733-1786. MOP �q32p0 Form SW401-Bioretention O&M-Rev.3 Page 3 of 4 Permit Number: (to be provided by DiVQ) 1 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 name:P-714 Physical Fitness Center BMP drainage area number: Print name:Carl Baker Title:Denuty Public Works Officer Address:Blde 1005 Michael Rd Camp Lejeune NC 28547 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. , a Notary Public for the State of County of (A/J'J , do hereby certify that personally appeared before me this day of %Zip 5;� , and acknowledge the due execution of the forgoing bioretention maintenance requirements. Witness my hand and official seal, ETTElctyaro IneLMJ a SEAL ND 2 3 ?O10 My commission expires Form SW401-Biorelention I&M-Rev. 2 Page 4 of 4 Permit Number. -!51 (to be provided by DWQ) Drainage Area Number: j Bioretention Operation and Maintenance Agreement I will keep a maintenance record on this BMP. This maintenance record will be kept in a log in a known set location. Any deficient BMP 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 BMP. Important operation and maintenance procedures: — Immediately after the bioretention cell is established, the plants will be watered twice weekly if needed until the plants become established (commonly six weeks). — Snow, mulch or any other material will NEVER be piled on the surface of the bioretention cell. — Heavy equipment will NEVER be driven over the bioretention cell. — Special care will betaken to prevent sediment from entering the bioretention cell. — Once a year, a soil test of the soil media will be conducted. 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. BMP 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 application. The inlet device: pipe, The pipe is clogged (if Unclog the pipe. Dispose of the stone verge or swale applicable). 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 future problems with erosion. Stone verge is clogged or Remove sediment and clogged covered in sediment (if stone and replace with clean stone. applicable). NOV 2 3 2010 Form SW401-Bioretention O&M-Rev.3 BMP element Potentialproblems: How I will remediate theproblem: 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 grading. Sediment has accumulated to Search for the source of the a depth greater than three inches. sediment and remedy the problem if possible. Remove the sediment and restabilize the pretreatment area. 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. 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 necessary. 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 depth of three inches. Soils and/or mulch are Determine the extent of the clogging clogged with sediment. - remove and replace either just the top 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 possible. An annual soil test 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 replaced with new lantin Form SW401-Bioretention O&M-Rev.3 :jj.. 2 3 2010 Pagc-2-o — BMP element: Potentialproblems: How I will remediate theproblem: 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 damaged Repair or replace the drop inlet. The receiving water Erosion or other signs of damage have occurred at the Contact the NC Division of Water Quality 401 Oversight Unit at 919- outlet. 733-1786. NOV 2 3 2010 Form SW401-Bioretention O&M-Rev.3 Page 3 of 4 Permit Number: (to be provided by DIVQ) 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 name:P-714 Physical Fitness Center BMP drainage area Print name:Carl Baker Title:Deouty Public Works Officer Address:Bldg 1005 Michael Rd Cate Lejeune NC 28547 Date: 11 -1 % -1 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. a Notary Public for the State of County of 611i'd do hereby certify that AKIZi personally appeared before me this day of , and acknowledge the due execution of the forgoing bioretention maintenance requirements. AUCE A. SONNETTE Notary Public Onslow County State of North Carolina M Commission Ex Tres SEAL My commission expires Witness my hand and official seal, NOV 2 3 2010 Form SW401-Bioretention I&M-Rev. 2 Page 4 of 4 Permit Number: ep (to be provided by DWQ) Drainage Area Number: Bioretention Operation and Maintenance Agreement I will keep a maintenance record on this BMP. This maintenance record will be kept in a log in a known set location. Any deficient BMP 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 BMP. Important operation and maintenance procedures: — Immediately after the bioretention cell is established, the plants will be watered twice weekly if needed until the plants become established (commonly six weeks). — Snow, mulch or any other material will NEVER be piled on the surface of the bioretention cell. — Heavy equipment will NEVER be driven over the bioretention cell. — Special care will be taken to prevent sediment from entering the bioretention cell. — Once a year, a soil test of the soil media will be conducted. 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. BMP element: Potentialproblems: How I will remediate theproblem: The entire BMP Trash/debris is present. Remove the trash/debris. The perimeter of the bioretention cell Areas of bare soil and/or erosive gullies have formed. Regrade the soil if necessary to remove the gully, and then plant a ground cover and water until if is established. Provide lime and a one-time fertilizer application. The inlet device: pipe, The pipe is clogged (if Unclog the pipe. Dispose of the stone verge or swale applicable). 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 future problems with erosion. Stone verge is clogged or Remove sediment and clogged covered in sediment (if stone and replace with clean stone. applicable). NOV 2 3 2010 Form SW401-BioretentionO&M-Rev.3 �r 'v, Pa ejof4 BMP element Potentialproblems: How I will remediate theproblem: 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 grading. 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 restabilize the pretreatment area. 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. 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 necessary. 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 depth of three inches. Soils and/or mulch are Determine the extent of the clogging clogged with sediment. - remove and replace either just the top 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 possible. An annual soil test 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 replaced with new planting media. Form SW401-Bioretention O&M-Rev.3 Page NOV 2 3 20110 2 if 4 BMP element Potentialproblems: How I will remediate theproblem: 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 damaged Re air 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- outlet. 733-1786. troy 2g2010 Form SW401-Bioretention O&M-Rev.3 Page 3 of 4 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 name:P-714 Physical Fitness Center BMP drainage area number: Print name:Carl Baker Title:Deputy Public Works Officer Address:Bldg 1005 Michael Rd Camp Lejeune NC 28547 Date: /% - /7--/a 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. a Notary Public for the State of Adlylli Gz, X,s County of /J do hereby certify that personally appeared before me this Lf �/, , and acknowledge the due execution of the day of �r forgoing bioretention maintenance requirements. Witness my hand and official ALJCE A. BONNETTE Notary Publlc Onslow County State of North Carolina M Commission Irea seal, SEAL 1. , lkL vl - — { to 2 3 2010 My commission expires ' J � Form SW401-Bioretention I&M-Rev. 2 Page 4 of 4 Permit Number: (to be prov' ed by DWQ) Drainage Area Number: Bioretention Operation and Maintenance Agreement v I will keep a maintenance record on this BMP. This maintenance record will be kept in a log in a known set location. Any deficient BMP 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 BMP. Important operation and maintenance procedures: — Immediately after the bioretention cell is established, the plants will be watered twice weekly if needed until the plants become established (commonly six weeks). — Snow, mulch or any other material will NEVER be piled on the surface of the bioretention cell. — Heavy equipment will NEVER be driven over the bioretention cell. — Special care will betaken to prevent sediment from entering the bioretention cell. — Once a year, a soil test of the soil media will be conducted. 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. BMP 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 lime and a one-time fertilizer application. The inlet device: pipe, The pipe is clogged (if Unclog the pipe. Dispose of the stone verge or swale applicable). 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 future problems with erosion. Stone verge is clogged or Remove sediment and clogged covered in sediment (if stone and replace with clean stone. applicable). NOV 2 3 2010 Form SW401-Bioretention O&M-Rev.3 I of 4 BMP element: Potentialproblems: How I will remediate theproblem: The pretreatment area Flow is bypassing Regrade if necessary to route all pretreatment area and/or flow to the pretreatment area. Wes have formed. Restabilize the area after grading. Sediment has accumulated to Search for the source of the a depth greater than three inches. sediment and remedy the problem if possible. Remove the sediment and restabilize the pretreatment area. 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. 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 lest indicates it is necessary. 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 depth of three inches. Soils and/or mulch are Determine the extent of the clogging clogged with sediment. - remove and replace either just the top 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 possible. An annual soil test 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 property and replaced with new planting media. Form SW401-Bioretentfon O&M-Rev.3 I RECEIVED I NOV 2 3 2010 Page 2 0f}4 BY: _j BMP element: Potentialproblems: How I will remediate theproblem: 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 damaged Repair or replace the drop inlet. The receiving water Erosion or other signs of damage have occurred at the Contact the NC Division of Water Quality 401 Oversight Unit at 919- outlet. 733-1786. N0V 2 3 2010 Form SW401-Bioretention O&M-Rev.3 Page 3 of 4 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 name:P-714 Physical Fitness Center BMP drainage area Print name Title:Deputy Public Works Officer Address:Bldg 1005 Michael Rd Camp Lejeune NC 28547 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. I, ya- /� , a Notary Public for the State of d County of ONZ, , do hereby certify that personally appeared before me this % day of /6' io and acknowledge the due execution of the forgoing bioretention maintenance requirements. Witness my hand and official seal, Ga! LMJ TTEctyrolina1LLt�J_< SEAL My commission expires "2-? F-0 CEIVEI� NOV 2 3 2010 BY: Form SW401-Bioretention I&M-Rev. 2 Page 4 of 4 Permit Number: //� G (to be provided/ by DWQ) Drainage Area Number: l(1 Bioretention Operation and Maintenance Agreement 1 will keep a maintenance record on this BMP. This maintenance record will be kept in a log in a known set location. Any deficient BMP 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 BMP. Important operation and maintenance procedures: — Immediately after the bioretention cell is established, the plants will be watered twice weekly if needed until the plants become established (commonly six weeks). — Snow, mulch or any other material will NEVER be piled on the surface of the bioretention cell. — Heavy equipment will NEVER be driven over the bioretention cell. — Special care will be taken to prevent sediment from entering the bioretention cell. — Once a year, a soil test of the soil media will be conducted. 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. BMP element: Potentialproblems: How I will remediate the roblem: The entire BMP Trash/debris is present. Remove the trash/debris. The perimeter of the bioretention cell Areas of bare soil and/or erosive gullies have formed. Regrade the soil if necessary to remove the gully, and then plant a ground cover and water until it is established. Provide time and a one-time fertilizer application. The inlet device: pipe, stone verge or Swale The pipe is clogged (if applicable). Unclog the pipe. Dispose of the 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 future problems with erosion. Stone verge is clogged or Remove sediment and clogged covered in sediment (if stone and replace with clean stone. applicable). NOV 2 3 2010 Form SW401-Bioretention O&M-Rev.3 1 of 4 BMP element: Potential problems. How I will remediate theproblem: The pretreatment area Flow is bypassing pretreatment area and/or gullies have formed. Regrade if necessary to route all flow to the pretreatment area. Restabilize the area after grading. Sediment has accumulated to Search for the source of the a depth greater than three inches. sediment and remedy the problem if possible. Remove the sediment and restabilize the l2retreatment area. 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. 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 necessary. Tree stakes/wires are present six months after planting. Remove tree stake/wires (which can kill the tree if not removed). The bioretention cell: soils and mulch Mulch is breaking down or has floated away. Spot mulch if there are only random void areas. Replace whole mulch layer if necessary. Remove the remaining much and replace with triple shredded hard wood mulch at a maximum depth of three inches. Soils and/or mulch are Determine the extent of the clogging clogged with sediment. - remove and replace either just the top 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 possible. An annual soil test shows that Dolomitic lime shall be applied as pH has dropped or heavy metals have accumulated in recommended per the soil test and toxic soils shall be removed, the soil media. disposed of properly and replaced with new planting media. 7NO V EIVEllll 23 2010 Form SW401-Bioretention O&M-Rev.3 Page 2 of 4 BMP element Potentialproblems* How I will remediate theproblem: 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 damaged Repair or replace the drop inlet. The receiving water Erosion or other signs of damage have occurred at the Contact the NC Division of Water Quality 401 Oversight Unit at 919- outlet. 733-1786. N0 2 3 2010 Form SW401-Bioretention O&M-Rev.3 Page 3 of 4 Permit Number: 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 narme:P-714 Physical Fitness Center BMP drainage area Print name:Carl Baker Title:Depuuty Public Works Officer Address:Bldg 1005 Michael Rd Camp Lejeune NC 28547 Date: 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. a Notary Public for the State of County of 411 ) , do hereby certify that /l personally appeared before me this 1;7-A day of ' J --Z/O , and acknowledge the due execution of the forgoing bioretention maintenance requirements. Witness my hand and official seal, AUCE A. BONNETTE Notary Public Onelow County State of North Carolina M Commlealon Ire_ , SEAL My commission expires NOV 2 3 2010 Form SW401-Bioretention I&M-Rev. 2 Page 4 of 4 NC DEC) Division of Energy, Mineral and Land Resources STATE STORMWATER: PERMIT RENEWAL APPLICATION FORM In accordance with 15A NCAC 2H.1045(3), the current permit holder shall renew their high density permit 180 days prior to its expiration. Renewed permits are valid for a period of 8 years per Session Law 2011-398 (SB 781) Section 60.(c). This application form is for permit renewals only. A. PROJECT INFORMATION 1. State Stormwater Permit Number: SW8 101106 2. Project name: P-714 Physical Fitness Center 3. Project street address: XXX City: MCB Camp Leieune County: Onslow ZIP: 28542 4. What, if any, changes have been made to the project as permitted? If the project has changed from the original approved plans, please complete SWU-101 for a Major Modification or Minor Modification Application form available at: https://deg.nc.gov/about/divisions/energy- m ine ral-land-resou rces/ene rgy-m i neral-land-ru les/stormwate r-program/post-construction. B. PERMITTEE INFORMATION If changes to the permittee or project name have been made, please complete either the Permit Update form or the Permit Transfer form available at: https://deg.nc.gov/about/divisions/energy-mineral-land- resources/energy-mineral-land-rules/stormwater-program/post-construction. State Stormwater Permits do not automatically transfer with the sale of the property. 1. Current Permit Holder's Company Name/Organization: MCB Camp Leieune 2. Signing Official's Name: Neal Paul 3. Signing Official's Title: Deputy Public Works Division 4. Mailing Address: MCB Camp Leieune 1005 Michael Rd. City: MCB Camp Leieune State: NC ZIP: 28547-2521 5. Street Address: City: State: ZIP 6. Phone: (910) 451-2213 Email: neal.paul@usmc.mil Stormwater Permit Renewal Form Page 1 of 3 May 11, 2018 C. SUBMITTAL REQUIREMENTS Submit the application package to the appropriate DEMLR Regional Office (Coastal, SA Waters) or DEMLR Central Office (Urbanizing Areas Ph 2, USMP, Non -Coastal HOW/GRIN). Only applications packages that include all required items listed below will be accepted and reviewed. Initial each item below to indicate that the required information is provided in the application package: MCT 1. A permit application processing fee of $505.00 payable to NCDEO. MCT 2. One original signed hard copy and one electronic copy of this completed form. The signing official named on this application to represent the current permittee must meet one of the following: a. Corporation — a principle executive officer of at least the level of vice-president; b. Limited Liability Company (LLC) — a manager or company official as those terms are defined in G.S. 57D "North Carolina Limited Liability Company Act;" c. Public Entity — a principal executive officer, ranking official, or other duly authorized employee; d. Partnership or limited partnership — the general partner; e. Sole proprietor; or f. Letter of authorization signed by one of the signatories noted in a — e above authorizing the signature of another entity. MCT 3. One hard copy and one electronic copy of recorded documents required by the original permit that have not yet been received by DEMLR, including: deed restrictions, protective covenants, condominium/planned community declaration and easements. If the project has been built, include documentation that the maximum BUA per lot or maximum total BUA has not been exceeded. If the project has not been built, include a signed agreement that the final recorded deed restrictions and protective covenants will be submitted at a later date. MCT 4. O&M Agreements, Please select one: ® I have a copy of the current recorded O&M Agreement for all SCMs, and I will continue to keep this on file with the permit; or ❑ I do not have a copy of the current recorded O&M Agreement for all SCMs and am requesting a copy be sent to me. I agree to keep this on file with the permit. MCT 5. Designer Certifications, Please select one: ® A copy of the certification(s) confirming that the project was built in accordance with the approved plans have been previously provided to the Division; or ❑ A copy of the certification(s) confirming that the project was built in accordance with the approved plans are enclosed; or ❑ The project has not yet been built. MCT 6. [IF APPLICABLE] If the project has been built, one original hard copy and one electronic copy of a signed, sealed, and dated letter from a licensed professional stating that the SCMs have been inspected, and that they have been built and maintained in accordance with the permit. 7. [IF APPLICABLE] When the permittee is a corporation or a limited liability corporation (LLC): Provide one hard copy and one electronic copy of documentation from the NC Secretary of State, or other official documentation, which supports the titles and positions held by the persons listed in Section C.2 per 15A NCAC 2H. 1043(3)(b). Stormwater Permit Renewal Application Form Page 2 of 3 May 11, 2018 D. PERMITTEE'S CERTIFICATION I, "'�Y fi, the person legally responsible for the permit, certify that I have a copy of the Permit and O&M Agreement on site (or I will obtain a copy and it will be kept on site), that I am responsible for the performance of the maintenance procedures, and the site has been and will be maintained according to the O&M Agreement and approved plans. I agree to notify DEMLR of any problems with the SCMs or built -upon area and to submit the proper forms to modify or transfer the permit prior to any changes to the project, SCMs r wners All information provided on this permit renewal application is, to the best of my o knowledge, rr and c mp te. Signature: Date: NOTARIZATION: I /n a Notary Public for the State of �Az-y--'V\ 12DXOIL"Q , County of do hereby certify that 'i�a�c se.� (-\ . L-ZW' &.e-t- personally appeared before me this the �_o day of c) u 1" 20 22 , and acknowledge the due exe5,6jpb%A1I 106igoing instrument. Witness my hand and official seal, p: PUBLIC Nbf�' �Signatyr;�� COUN My coriirhissimr>'pkpires Stormwater Permit Renewal Application Form Page 3 of 3 May 11, 2018 UEMLH USE ONLY Date R ceiv d Fes Paid Permit Number to a sLDR o 0 NC DEO Division of Energy, Mineral and Land Resources STATE STORMWATER: PERMIT RENEWAL APPLICATION FORM In accordance with 15A NCAC 2H.1045(3), the current permit holder shall renew their high density permit 180 days prior to its expiratidn. Renewed permits are valid for a period of 8 years per Session Law 2011-398 (SB 781) Section 60.(c). This application form is for permit renewals only. A. PROJECT INFORMATION 1. State Stormwater Permit Number: SW8 101106 2. Project name: P-714 Physical Fitness Center 3. Project street address: XXX _ Chy: MCB Camp Leieune County: OnSIOW ZIP: 28542 4. What, it any, changes have been made to the project as permitted? N/A If the project has changed from the original approved plans, please complete SWU-101 fora Major Modification or Minor Modification Application form available at: Mips://deg.nc.mv/about/divisions/enerny- mihe ra I -la nd- resou rces/e ne ray-mineral-land-rules/stormwater-pros ram/post-construct ion. B. PERMITTEE INFORMATION If changes to the permittee or project name have been made, please complete either the Permit Update form or the Permit Transfer form available at: https://deg.nc.gov/about/divisions/energy-mineral.land- resources/energy mineral-land•rules/stormwater-program/post-construction. State Stormwater Permits do not automatically transfer with the sale of the property. 1. Current Permit Holder's Company Name/Organization: MCB Camp Leieune 2. Signing Official's Name: Neal Paul 3. Signing Official's Title: Deputy Public Works Division 4. Mailing Address: MCB Camp L.ejeune 1005 Michael Rd. City: MCB Camp Leieune State: INC ZIP: 28547.2521 5. Street Address: City. State: -ZIP: 6. Phone: (910) 451.2213 Email: neal.paul®usmc.mil AUG 10 2022 !1 Stormwater Permit Renewal Form Page 1 of 3 May 11, 2018 F; .� +�.. _t1 ,', .-fir / 4, •r"-._ y-,..,.�_>. .. f, t -:Vi' 1 ,� ..'"? �zs� ..f .. �.' .1`.y `: fj� :'�m•.-C.r�, ;�. ",' 2- .,. ,....mow-_., •�. C. SUBMITTAL REQUIREMENTS Submit the application package to the appropriate DEMLR Regional Office (Coastal, SA Waters) orOEMLR Central Office (Urbanizing Areas Ph 2, USMP, Nan -Coastal HOW/ORW). Only applications packages that include all required items listed below will be accepted and reviewed. Initial each item below to indicate that the required information is provided in the application package: MCT 1. A permit application processing fee of $505.00 payable to NCDEO. MCT 2. One original signed hard copy and one electronic copy of this completed form. The signing official named on this application to represent the current permittee must meet one of the following: a. Corporation — a principle executive officer of at least the level of vice-president; b. Limited Liability Company (LLC) — a manager or company official as those terms are defined in G.S. 571)°North Carolina Limited Liability Company Act;" c. Public Entity — a principal executive officer, ranking official, or other duly authorized employee; d. Partnership or limited partnership — the general partner; e. Sole proprietor; or I. Letter of authorization signed by one of the signatories noted in a — e above authorizing the signature of another entity. MCT 3. One hard copy and one electronic copy of recorded documents required by the original permit that have not yet been received by DEMLR, including: deed restrictions, protective covenants, condominium/planned community declaration and easements. If the project has been built, include documentation that the maximum BUA per lot or maximum total BUA has not been exceeded. If the project has not been built, include a signed agreement that the final recorded deed restrictions and protective covenants will be submitted at a later date. MCT 4. 08M Agreements, Please select one: ® I have a copy of the current recorded O&M Agreement for all SCMs, and I will continue to keep this on file with the permit; or ❑ I do not have a copy of the current recorded 08M Agreement for all SCMs and am requesting a copy be sent to me. I agree to keep this on file with the permit. MCT 5. Designer Certifications, Please select one: ® A copy of the certifications) confirming that the project was built in accordance with the approved plans have been previously provided to the Division; or ❑ A copy of the cerldication(s) confirming that the project was built in accordance with the approved plans are enclosed; or ❑ The project has not yet been built. MCT 6. [IF APPLICABLE] If the project has been built, one original hard copy and one electronic copy of a signed, sealed, and dated letter from a licensed professional stating that the SCMs have been inspected, and that they have been built and maintained in accordance with the permit. 7. [IF APPLICABLE] When the permittee is a corporation or a limited liability corporation (LLC): Provide one hard copy and one electronic copy of documentation from the NC Secretary of State, or other official documentation, which supports the titles and positions held by the persons listed in Section C.2 per 15A NCAC 2H. 1043(3)(b). httos://www.sosnc.gov/online services/search/by title/ Business Registration AUG102022I BY.•� , � Slormwater Permit Renewal Application Form Page 2 of 3 May 11, 2018 r D. PERMITTEE'S CEFT,IFIjIC(AATION I, 1 ! �% �04' _ , the person legally responsible for the permit, certify that I have a copy of the Permit and 0&M Agreement on site (or I will obtain a copy and it will be kept on site), that I am responsible for the performance of the maintenance procedures, and the site has been and will be maintained according to the O&M Agreement and approved plans. I agree to notify DEMLR of any problems with the SCMs or built -upon area and to submit the proper forms to modify or transfer the permit prior to any changes to the project, SCMs r wnershipNAII information provided on this permit renewal application is, to the best of my knowledge, orr an c0mPrItle. Signature: Date: je LL NOTARIZATION: I,r�n 1 U Qxsan a Notary Public for the State of 1ADVr h 0wr0(n0- ,County of nryu0V\/ ,dohereby certify that :�Reilloll..Y-1' a LzW 6-LC personally appeared before me this the 9-O day of c Su.lw 20 22-; and acknowledge the due exec,qu*lNGpoing instrument. Witness my hand and official seal, =0yi PUBLIC . 4e Wtv nature` -� --. cou --� 2 2o25r My cor4fitrispOn9kpves. AUG 10 2022 Stormwater Permit Renewal Application Form Page 3 of 3 May 11, 2018 1<' d1_"�' V.w . ?�•`�Q'L. `r ,� 4' .� � �a: � j4w2"kZ:�'`��=.i.;,'"y.r'�-'� r , �y :�-r�]dL��+. ��?` ' r" HCDEHR STORMWATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFICATION APPLICATION FORM BIORETENTION CELL SUPPLEMENT Permit Number--5-1JB/O//DG (to be provided by DWQ) OF WA7f;q �4 This form must be filled out, printed and submitted. The Required Items Checklist (Part 111) must be printed, filled out and submitted along with all of the required information 1I.11P,ROJECTONFORMATION Project name ,Q-714 Physical Fitness Center, MICAS New River,,. , ,. "a`<' • qr ,��' r " ' Contact name ,Crystal WII Phone number M4-822 308W,-'- •fl Date 'Ndvember 17; 2010 Drainage area number ,1.;1 _, , , -':-lMi. - ' i'. ' • c :�=_ Site Characteristics Drainage area Impervious area Percent impervious Design rainfall depth Peak Flow Calculations Is pre/post control of the 1-yr, 24-hr peak flow required? 1-yr, 24-hr runoff depth 1-yr, 24-hr intensity Pre -development 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 Ponding depth of water Ponding depth of water - Surface area of the lop of the biorelenlion cell 0 Length: Width: -or- Radius Media and Soils Summary Drawdown time, ponded volume Drawdown time, to 24 inches below surface Drawdown time, total: In -situ soil: Soil permeability Planting media soil: Soil permeability Soil composition % Sand (by volume) % Fines (by volume) % Organic (by volume) Y'r' �174,6761ffZ 108,0291ff3 61.8% % "'»'�• �„ Ulinch ti <- 8.561in =�0.151in/hr i, `r2.4701ff'/sec 9.380 ff'/sec . 13,259.01ff' OK 0 ff3 AW x''fa121inches 1.00 If 3 2€9.01 ftt tokn-;k� a7"F rxi 621 If OK OK .(2-Z-'I0 A'f&' OK OK 46;hr OK 12jhr OK 18 hr (f t i;:,7:841in/hr 1 .:�_ww,7WYY01 In/hr OK OK OK Wh,li";410%i OK r; rf.10 5%1 OK Total: 100% NOV 231pI0 Phosphorus Index (P-Index) of media ,�'-'�201(unilless) OK Form SW401-Bioretention-Revs June 25, 2010 Parts I and II. Design Summary, Page 1 of 2 Basin Elevations Permit Number: (to be provided by DWQ) Temporary pool elevation Type of bioretention cell (answer'Y' to only one of the two following questions): Is this a grassed cell? Is this a cell with treWshrubs? Planting elevation (top of the mulch or grass sod layer) Depth of mulch Bottom of the planting media soil Planting media depth Depth of washed sand below planting media soil Are underdrains being installed? How many clean out pipes are being installed? What factor of safety is used for sizing the underdrains? (See BMP Manual Section 12.3.6) Additional distance between the bottom of the planting media and the bottom of the cell to account for underdrains Bottom of the cell required SHWT elevation Distance from bottom to SHWT Internal Water Storage Zone (IWS) Does the design include IWS Elevation of the lop of the upturned elbow Separation of IWS and Surface Planting Plan Number of tree species Number of shrub species Number of herbaceous groundcover species Additional Information Does volume in excess of the design volume bypass the bioretention cell? Does volume in excess of the design volume flow evenly distribute 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 30 feet from surface waters (50 feet if SA waters)? Is the BMP located at least 100 feet from water supply wells? Are the vegetated side slopes equal to or less than 3:1? Is the BMP located in a proposed drainage easement with access to a public Right of Way (ROM? Inlet velocity (from treatment system) Is the area surrounding the cell likely to undergo development in the future? Are the slopes draining to the bioretention cell greater than 20%? Is the drainage area permanently stabilized? Pretreatment Used (Indicate Type Used with an'X' in the shaded cell) Gravel and grass (8 inches gravel followed by 3-5 ft of grass) Grassed Swale Forebay Other T .:1?.00,fmsl f.,7.__.Y,"7w(Y or N) OK N ;.1(YorN) "161fmsl =pinches i 14ifmsl 2 ft -N, c i(YorN) f ,r 0 ft 14 fmsl 2 ft OK zA(YorN) • ;fmsl 16 ft E or N) OK (Y or N) OK or N) Show how flow is evenly distributed. ? '!(Y or N) OK =i(YorN) OK ', `(Y or N) OK "YY or N) OK t;flsec OK T�1 r;'ig(Y or N) OK 3,y ? , ;,,(Y or N) OK °i(YorN) OK Form SW401-Bioretenton-Rev.9 June 25, 2010 Parts I and II. Design Summary, Page 2 of 2 Perma No: (to be assigned by MI QJ I10EQUIREWE- S,"CHECK11 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. Pagel Plan 19jtjAls heat No. C-3D2 h I 1. Plans (1' - 50' or larger) of the entire site showing: - Design at ultimate build -out - Off -site drainage (if applicable), - Delineated drainage basins (include Rational C coefficient per basin), - Cell dimensions, - Pretreatment system, - Hgh flow bypass system, - Maintenance access, - Recorded drainage easement and public right of way (ROW), - Clean out pipe locations, - Overflow device, and - Boundaries of drainage easement. 2. Plan details (1' = 30' or larger) for the biorelention cell showing: - Cell dimensions - Pretreatment system, - Hgh flow bypass system, - Maintenance access, - Recorded drainage easement and pudic right of way (ROW), - Design at ultimate build -out, - Off -site drainage (ff applicable), - Clean out pipe locations, - Overflow device, and - Boundaries of drainage easement - Indicate the P-Index between 10 and 30 3. Section view of the bioretention cell (1' = 20' or larger) showing: - Side slopes, 3:1 or lover - Underdrain system (it applicable), and - Bioretention cell layers (ground level and slope, pre-treatment ponding depth, mulch depth, fill media depth, washed sand, fitter fabric (or choking stone if applicable), #57 stone, underdrains (if applicable), SHWT level(s), and overflow structure) 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 held by DWO, by completing & submitting the soils investigation request form. County soil maps are not an acceptable source of soils information. All elevations shall be in feet mean sea level (fmsl). Results of soils tests of both the planting soil and the in situ soil must include: - Soil permeability, - Soil composition (%sand, %fines, %organic), and - P-index. 5. A detailed planting plan (1' = 20' or larger) prepared by a qualified individual showing: - A variety of suitable species, !\ - Sizes, spacing and locations of plantings, C - Total quantity of each type of plant specified, -Aplantingdetail, Al ( - The source nursery for the plants, and - Fertilizer and watering requirements to establish vegetation. �Z' w91 r 4 0 10 6. A construction sequence that shows how the bioretention cell will be protected froediment unfit the m s entire drainage area is stabilized. 7. The supporting calculations (including underdrain calculations, if applicable). 8. A copy of the signed and notarized inspection and maintenance (I&M) agreement 9. A copy of the deed restriction. Form SW401-BloMenbon-Rev.7 Pan III, Page 1 on 1 ®�A NC EHR Permit Number: _2vO lQ (to be provided by DWQ) pWATATTT ffo9ff a( 10 OG O Y STORMWATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFICATION APPLICATION FORM BIORETENTION CELL SUPPLEMENT This form must be filled out, printed and submitted. The Required Items Checklist (Pad 111) must be printed, filled out and submitted along with all of the required information. Contact name _ Crystal Hill 7, y, „ ,�' t. Phone number Date NdSedlber17;2010,. , Drainage area number 2 ;im;=! .. .... II ,k 31GN IN70 9' ION - w n 1 i.. am � Site Characteristics Drainage area t531d3;( 2 Impervious area ' 34.412!ry1 Percent impervious 64.8% % Design rainfall depth ,r315iinch Peak Flow Calculations Is pre/post control of the 1-yr. 24-hr peak flow required? `` t . Ys, `�(Y or N) 1-yr, 24-hr runoff depth 3:56iin 1-yr, 24-hr Intensity f% - 015;inmr Pre -development 1-yr, 24-hr peak flow .910iry3lsec Post -development 1-yr, 24-hr peak flow 5150ry3lsec Pre/Post 1-yr, 24-hr peak control 4.240 ft3lsee Storage Volume: Non -SA Waters Minimum volume required Volume provided 4'229.(hft3 OK '9 '�� t ? `• Storage Volume: SA Waters r. OJO 1.5'Post-development runoff volume \ Pre -development 1-yr, 24-hr runoffry1 Post -development 1-yr, 24-hr runoff Minimum volume required 0 ry1 Volume provided -i , l �ftl Cell Dimensions Pending depth of water Pending depth of water Surface area of the top of the biorelention cell Length: Width: -or- Radius Media and Soils Summary ....._........Drawdown time, ponded volume. ..... Drawdown time, to 24 inches below surface Drawdown time, total: In -situ soil: Soil permeability Planting media soil: Soil permeability Soil composition % Sand (by volume) • Fines (by volume) %Organic (by volume) - Phosphorus Index (P-Index) of media Form SW401-Blaratention-Rev.8 .ume 95 emn sx ';5'Zinches OK 1.00 It @i !K401li.Olftl OK 12-8—(0 �at2t. ., .. 1351ft OK 'tit r �29: t OK ..--- ... 2.hr_.___OK ...... .........-........... ... ._._ sit7f,;;�`29?hr OK 36 fir y.,x.,.w-.. ..-i ,��;`;;w�;,1.00;inRlr OK VO' inmr OK llax„33 M-1 OK €12NA10 ri t10ek1 OK UP-MI,M5w, OK Total: 100% (unilless) OK Pens I and II. Design Summary, Page 1 of 2 Basin Elevations Temporary pool elevation Type of bloretentlon cell (answer'Y' to only one of the two following questions): Is this a grassed cell? Is this a cell with trees/shrubs? Planting elevation (top of the mulch or grass sod layer) Depth of mulch Bottom of the planting media soil Planting media depth Depth of washed sand below planting media soil Are underdrains being installed? How many clean out pipes are being installed? What factor of safely is used for sizing the underdrains? (See BMP Manual Section 12.3.6) Additional distance between the bottom of the planting media and the bottom of the cell to account for underdrains Bottom of the cell required SHWT elevation Distance from bottom to SHWT Internal Water Storage Zone (IWS) 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 Additional Information Does volume in excess of the design volume bypass the bloretentlon cell? Does volume in excess of the design volume flow evenly dishibulel 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 30 feet from surface waters (50 feet if SA waters)? Is the 8MP localed at least 100 feet from water supply wells? Are the vegetated side slopes equal to or less than 3:1? Is the BMP located in a proposed drainage easement with access to a public Right of Way (ROW)? Intel velocity (from treatment system) Is the area surrounding the cell likely to undergo development In the future? Are the slopes draining to the bloretentlon cell greater than 20%? Is the drainage area permanently stabilized? Pretreatment Used (Indicate Type Used with an'X' In the shaded cell) Gravel and grass (81inches gravel followed by 35 it of grass) Grassed Swale Forebay Other Permit Number: (to be provided by DWQJ 22.00;fmsl Niz(YorN) Y (Y or N) OK media depth ;i21?fmsl - &*4iinches OK ;18''fmsl 3 It `fl N � ;(Y or N) qy' Oft 18 fmsl, 2 it OK N "b (YorN)1910 21 it \\ OK N) OK N) OK N) Show how flow is evenly distributed. N) OK N) OK N) OK N) OK . OK N) OK N) OK N) OK OK Form SW401-Bioretenaon-Rev.11 June 25. 2010 Parts I and II. Design Summery, Page 2 or 2 Peank No (to be assigned by D Please indicate the page or plan sheet numbers where the supporting documentation can be found. An Incomplete subs tal 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. H a requirement has not been met, attach justification. Igjtj�ls Page! Plan heM No. 1. Plans (V - 5V or larger) M the entire site showing: - Design at ultimate buildcut, - Off -site drainage (it applicable), - Delineated drainage basins (include Rational C coefficient per basin), - Cell dimensions, - Pretreatment system, - High flow bypass system, - - Maintenance access, - Recorded drainage easement and pudic right M way (ROW), - Clean out pipe locations, Jr -�ozV' - Overflow device, and - Boundaries of drainage easement 2. Plan details (I- = 3V or larger) for the bioretention cell showing: - Cell dimensions - Pretreatment system, . - High flow bypass system, - Maintenance access, - Recorded drainage easement and pudic right of way (ROW), - Design at ultimate build -cut, - Off -site drainage (if applicable), - Clean out pipe locations, - Overflow device, and - Boundaries of drainage easement Indicate the P-Index between 10 and 30 3. Section view of the Woretention cell (V = 20r or larger) showing: Side slopes, 3:1 or low - Underdrain system (d applicable), end - Bioretention cell layere (ground level and slope, pre-treatment, pending depth, mulch depth, fill media depth, unshed sand, fitter fabric (or choking stone If applicable), #57 stone, undordrains; (if applicable), SHWI levet(s), and overflow stnrch re) 4. A soils report that's based upon an actual field investigation, sad borings, and infiltration tests. The results M 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 sells information. All elevations shall be in feel mean sea level (fmsq. Results M soils tests M both the planting soil and the in situ soil must include: - Soil permeability, L _ 102 L� 0 - Sal composition (% sand, %fines, % organic), and P-Index. 5. A detailed planting plan (1' = 2V or larger) prepared by a qualified individual showing: - A variety M suitable species, - Sizes, spacing and locations of plantings, - Total quantity of each type of plant specified, - A i la„fing detail, - The source nursery for the plants, and rA - Fertilizer and waterlog requirements to establish vegetation. 6. A construction sequence that shows haw the bloretention cell will be protected from sediment until the entire drainage area's stabilized. 7. The supporting calculations (including urderdrain calculations, H applicable). ��(.1{N',`►/�� { 1 8. A copy M the signed and notarized inspection and maintenance (I&K agreement u ' 9. A copy of the deed restriction. Form SW40143brateMfon4lev.7 PM III, Page 1 d 1 P-714 Physical Fitness Center, MCAS New River Bioretention area #2 Plant Counts: Trees: 'To (1)_Taxodium distichium- Bald Cypress CSC (3) Cercis canadensis- Eastern Redbud (3-5 steams each, assume average 4 stems each = 12 steams total) Shrubs: (VW/(10) Ilex verticillata `Jim Dandy' and `Afterglow'- Winterberry Holly (3-4 steams each, assume average 3 stems each =.30 steams total) L& (15) Ilex glabra- Inkberry Holly VPO (10) Leucothoe axillaries- Coastal Leucothoe (5) Viburnum dentatum- Arrowood Viburnum (5- 10 steams each, assume average 7 stems each = 35 total) Herbaceous Perennials, Grasses, Groundcovers: r10 C (9) Muhlenbergia capillaries- Muhly Grass (V (56) Iris virginica- Iris (40) Baptisia `Purple Smoke'- False Indigo LG (16) Carex glauca- Carex Grass pJIi (30) Panicum virgatum `Heavy Metal' — Heavy Metal Switchgrass 1�q�4 (53) Flemerocallis `Pardon Me' — Pardon Me Daylily Totals: Tree species: Required = 1, Provided = 2 Shrub species: Required = 3, Provided= 4 Herbaceous species: Required = 3, Provided = 6 Area of Bioretention Basin 4,229 sf = 0.10 acres Stems: Required 400 stems/acre = 400 x 0.10 acres = 40, Provided = 307 R,ECEIYTPM vi-Q rY12f� e , e-/I NOV, 2 4 2010 Papa 'Isw8 w� /v!/v Co AMA. HOENR, Permit Number/0U /'�9//e96 (to be Provided by DWQ) O2'F WATE, O W o � STORMWATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFICATION APPLICATION FORM BIORETENTION CELL SUPPLEMENT This form must be filled out, printed and submitted. The Required Items Checklist (Part III) must be printed, filled out and submitted along with all of the required information. Project name Contact name Phone number Date Drainage area number Site Characteristics Drainage area Impervious area Percent impervious Design rainfall depth Peak Flow Calculations Is pre/post control of the 1-yr, 24-hr peak flow required? 1-yr, 24-hr runoff depth 1-yr, 24-hr intensity Pre -development 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 Pending depth of water Surface area of the top of the bioretention cell eJu Length: Width: -or- Radius Media and Soils Summary Drawdown time, ponded volume Drawdown time, to 24 inches below surface Drawdown time, total: In-sku soil: Soil permeability Planting media soil: Soil permeability Soil composition % Sand (by volume) % Fines (by volume) % Organic (by volume) 36,590ih2 111611 ftz 32.1% % .41z',P.5linch i7—, ' Y i 5(Y or N) 1..'`.,._, 3.561in fOv.151in/hr 1'10.7,101ft3/sec 1.800 ft3/sec 1,5527113 J5192.O1ft3 OK "It:'AIt3 0 ff3 1ft3 inches 1.00 It 15�;'OiftZ 1'�ie � }r'1; f>q.157ift I8.31hr 16.61hr 24.9 hr in/hr '? in/hr OK OK OK OK OK OK OK OK OK 1`-Tr?k'c'1410%? OK Total: 100% Phosphorus Index (P-Index) of media ,:r.' •"`t,`P•,kZjlunitless) OK Form SW401-13ioretenlion-Rev.8 June 25, 2010 Parts I and II. Design Summary, Page 1 of 2 Permit (to be provided by DWQ) Baffin Elevations •� r Temporary pool elevation Type of bioretention cell (answer'Y' to only one of the two following questions): Is this a grassed cell? Is this a cell with trees/shrubs? Planting elevation (top of the mulch or grass sod layer) Depth of mulch Bottom of the planting media soil Planting media depth Depth of washed sand below planting media soil Are underdrains being installed? How many clean out pipes are being installed? What factor of safety is used for sizing the underdrains? (See BMP Manual Section 12.3.6) Additional distance between the bottom of the planting media and the bottom of the cell to account for underdrains Bottom of the cell required SH WT elevation Distance from bottom to SHWT Intemal Water Storage Zone (IWS) Does the design include IWS Elevation of the lop of the upturned elbow Separation of IWS and Surface Planting Plan Number of tree species Number of shrub species Number of herbaceous groundoover species Additional Information Does volume in excess of the design volume bypass the bioretention cell? Does volume in excess of the design volume flow evenly distribuh 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 30 feet from surface waters (50 feet if SA waters)? Is the BMP located at least 100 feet from water supply wells? Are the vegetated side slopes equal to or less than 3:1? Is the BMP located in a proposed drainage easement with access to a public Right of Way (ROW)? Inlet velocity (from treatment system) Is the area surrounding the cell likely to undergo development in the future? Are the slopes draining to the bioretention cell greater than 20%? Is the drainage area permanently stabilized? Pretreatment Used (Indicate Type Used with an'X' in the shaded cell) Gravel and grass (8 inches gravel followed by 3-5 It of grass) Grassed Swale Forebay Other I .2s322.50rfmsl F7TY- : I(Y or N) OK i-7; !inches ;Ct:::c 4: ",:19.5!fmsl 2ft ) " d V oft 19.5 fmsl f: ,,,'=:_'�,17.5ifmsl 2ft OK X•?; N „ (YorN) fmsl 21.5 ft #ry ro 7-C := k R' r) Ygi,p".,llYorN) OK or N) Show how flow is evenly distributed. or N) OK or N) OK or N) OK or N) OK ec OK or N) OK or N) OK or N) OK Form SW401-Bioretenlion-Rev.8 June 25, 2010 Parts I and 11. Design Summary, Page 2 of 2 Permit No: (to be assigned by DWQ) III. REQUIRED]ITEMS,CHECKLISTWMIMMOYAHATM 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. Pagel Plan 19jtjals heel No. 1. Plans (1' - 50' or larger) of the entire site showing: - Design at ultimate build -out, - Off -site drainage (it applicable), - Delineated drainage basins (include Rational C coefficient per basin), - Cell dimensions, - Pretreatment system, . - High flow bypass system, - Maintenance access, - Recorded drainage easement and public right of way (ROW), - Clean out pipe locations, C, 9wr Ji 0 ZV' - Overflow device, and - Boundaries of drainage easement 2. Plan details (1' = 30' or larger) for the biaetention cell showing: - Cell dimensions - Pretreatment system, - High flow bypass system, - Maintenance access, - Recorded drainage easement and pudic right of way (ROW), - Design at ultimate build -out, - Off-sfle drainage (if applicable), - Clean out pipe locations, - Overflow device, and - Boundaries of drainage easement gIndicate the P-Index between 10 and 30 3. Section view of the biorelention cell (1' = 29 or larger) showing: - Side slopes, 3:1 or lower - Underdrain system (d applicable), and - Bioretention cell layers (ground level and slope, pre-treatment, ponding depth, mulch depth, fill media depth, washed sand, filter fabric (or choking stone if applicable), #57 stone, underdrains (if applicable), SHWilevel(s),and overflow structure] 4. A soils report that's 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. All elevations shall be in feet mean sea level (fmsl). Results of soils tests of both the planting soil and the in situ soil must include: - Soil permeability, 14S - Soil composition (% sand, %fines, % organic), and ' M1 5. A detailed planting plan (1' = 29 or larger) prepared by a qualified individual sharing: A variety of suitable species, Sizes, spacing and locations of plantings, - Total quantity of each type of plant specified, A planting detail, - The source nursery for the plants, and C Fertilizer and watering requirements to establish vegetation. 6. A construction sequence that shows how the biorelention cell will be protected from sediment until the entire drainage area is stabilized. 7. The supporting calculations (including underdrain calculations, if applicable). rill _I •' ll 8. A copy of the signed and notarized inspection and maintenance (ISM) agreement 9. A copy of the deed restriction. Form SW401-B10 e n ion-Rev.7 Part III, Page 1 of 1 Permit Number_��/D//O� t.A . NCDENR (to be provided by DWQ) o2'p WATf;q w r � r o STORMWATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFICATION APPLICATION FORM BIORETENTION CELL SUPPLEMENT This form must be filled out, printed and submitted. The Required Items Checklist (Part tit) must be printed, filled out and submitted along with all of the required information. vrolem name Contact name Phone number Date Drainage area number I - -c •,r= Novemoent, zulu.+ Site Characteristics Drainage area i„ ° _, 3,9201hz Impervious area :`,2,178'ft2 Percent impervious 55.6% % Design rainfall depth AV51inch Peak Flow Calculations Is prelpost control of the 1-yr, 24-hr peak Flow required? I ' .` Y ~ ?' (Y or N) 1-yr, 24-hr runoff depth 3.561 in 1-yr, 24-hr intensity =0.151in/hr Pre -development 1-yr, 24-hr peak flow h: ;. ` •�.r `.' 0.1101ft'fsec Post -development 1-yr, 24-hr peak flow 1 0.3501ff3/sec Pre/Post 1-yr, 24-hr peak control 0.240 ft°/sec Storage Volume: Non -SA Waters Minimum volume required + + 'e270.0 ft3 Volume provided i•;,-=r'°'`'r -`; 370.01ft° Storage Volume: SA Waters 1.5' runoff volume •.,�ff3 Pre -development 1 -yr, 24-hr runoff -•`" -1ff' Post -development 1-yr, 24-hr runoff f,'". • -:•»'"„ .;t," 1ft3 Minimum volume required 0 ff3 Volume providedift3 Cell Dimensions Ponding depth of water Ponding depth of water Surface area of the top of the bioretention cell Length: Width: -or- Radius Media and Soils Summary Drawdown time, ponded volume Drawdown time, to 24 inches below surface Drawdown time, total: In -situ soil: Soil permeability Planting media soil: Soil permeability Soil composition % Sand (by volume) % Fines (by volume) % Organic (by volume) `;12i inches 1.00 ft e2o0 ff' F,' 6r hr 18 hr OK [s73 OK OK OK OK OK F'iti �1 =16.72'',in/hr OK in/hr OK 850/01 OK OK Iw d-f�'n1=nc'1>i50/61 OK Total: 100% IZ-a-fo -4VA- Phosphorus Index (P-Index) of media ("'`-'r;"„ w.a>i20(unilless) OK Form SW401-Bioretention-Rev.8 June 25, 2010 Parts I and 11. Design Summary, Page 1 of 2 BaE:n Elevations Temporary pool elevation �z ?=20 00 fmsl Type of biorelention cell (answer 'Y' to only one of the two following questions): Is this a grassed cell? _ __ :'" :Y =<J"� 7(Y or N) OK Is this a cell with trees/shrubs? [: "; ,,,-;:N"'-.'9(Y or N) Planting elevation (top of the mulch or grass sod layer) IP "-V, 19ifmsl Depth of mulch -iz u ":f inches Bottom of the planting media soil I , J44 x ; ° 17ifmsl Planting media depth 2 fit Depth of washed sand below planting media soil �1 Are underdrains being installed? ^.-; N ��J(Y or N) How many clean out pipes are being installed? What factor of safety is used for sizing the underdrains? (See BMP Manual Section 12.3.6) t•••:'• r e:.�� Additional distance between the bottom of the planting media and 0 tt the bottom of the cell to account for underdrains Bottom of the cell required _ 17 fmsl SHWT elevation 15ifmsl Distance from bottom to SHWT 2 fit OK Internal Water Storage Zone (IWS) Does the design include IWS ..— N" i T (Y or N) Elevation of the top of the upturned elbow X `.fmSI Separation of IWS and Surface 19 ft Planting Plan Number of tree species" Number of shrub species Number of herbaceous groundcover species Additional Information Does volume in excess of the design volume bypass the r'3- bloretention cell? Does volume in excess of the design volume flow evenly distributed €€, 1''4, through a vegetated filler? What is the length of the vegetated filter? F 77 ';, Does the design use a level spreader to evenly distribute Bow? I'"I,, Is the BMP located at least 30 feet from surface waters (50 feel if SA waters)? Is the BMP located at least 100 feel from water supply wells? X $ Are the vegetated side slopes equal to or less than 3:1? l ",aV'-i Is the BMP located in a proposed drainage easement with access a eF to a public Right of Way (ROW)?�. Inlet velocity (from treatment system) Is the area surrounding the cell likely to undergo development in the future? Are the slopes draining to the biorelention cell greater than 20%? Is the drainage area permanently stabilized? Pretreatment Used (Indicate Type Used with an'X' in the shaded cell) Gravel and grass (flinches gravel followed by 3-5 It of grass) Grassed Swale Forebay Other (Y or N) OK (Y or N) OK Permit Number: (to be pmvided by DWQ) or N) Show how flow is evenly distributed. (YorN) OK 4i,I(YorN) OK a'.'v(YorN) OK uk (YorN) OK J FtA�ftlsec OK (YorN) OK jahYorN) OK -I(Yor N) OK OK Form SW401-Bioretenbon-Rev.8 June 25, 2010 Parts I and It. Design Summary, Page 2 of 2 Permit No: • (to be assigned by DWQ) III. REQl11REOXEIIASMEU111IST 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. lt a requirement has not been met, attach justification. Pagel Plan 19]tj�jls heel No. Coln 5D8 GA. I . lans (1' - 50' or larger) of the entire site showing: - Design at ultimate build -out, - Off -site drainage (if applicable), - Delineated drainage basins (include Rational C coefficient per basin), - Cell dimensions, - Pretreatment system, - High flow bypass system, - Maintenance access, - Recorded drainage easement and public right of way (ROW), - Clean out pipe locations, - Overflow device, and - Boundaries of drainage easement 2. Plan details (1' = 30' or larger) for the bioretention cell showing: - Cell dimensions - 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 between 10 and 30 3. Section view of the bioretention cell (1' = 20' or larger) showing: - Side slopes, 3:1 or lower - Underdrain system (if applicable), and - Bioretention cell layers (ground level and slope, pre-treatment, ponding depth, mulch depth, fill media depth, washed sand, filter fabric (or choking stone'If applicable), #57 stone, underdrains (if applicable), SHWI- level(s), and overflow structure] 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. Al elevations shall be in feet mean sea level (fmsl). Results of soils tests of both the planting soil and the in situ soil must include: - Soil permeability, - Soil composition (% sand, % fines, % organic), and - P4ndex. P 5. A detailed planting plan (1' = 20' or larger) prepared by a qualified individual showing: - A variety of suitable species, - Sizes, spacing and locations of plantings, - Total quantity of each type of plant specified, - A planting detail, - The source nursery for the plants, and - Fertilizer and watering requirements to establish vegetation. 6. A construction sequence that shows how the bioretention cell will be protected from sediment unfit the entire drainage area's stabilized. 7. The supporting calculations (including underdrain calculation, if applicable). 8. A copy of the signed and notarized inspection and maintenance (18M) agreement 9. A copy of the deed restriction. Form SW401-abretentioMtev.7 Part III, Page 1 of 1 NCDENR• Permit Numbs ... 1� (to be provided by DWQ) o� Q W A rf1s. y g O C STORMWATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFICATION APPLICATION FORM BIORETENTION CELL SUPPLEMENT This form must be filled out, printed and submitted. The Required Items Checklist (Part 111) must be printed, (fled out and submitted along with all of the required information. Project name 'P-/14 Pnysical Fitness CentegMCAS New River Contact name :Crystal Hill. Phone number '804A22-3080 x• Dale '.November•17,'2010'° '"` �'"z'~.�"�-�r•-r/'.* ' -r-" Drainage area number ILADESIGN iINFORMATION Site Characteristics Drainage area 11 " '­'S,662tft' Impervious area .4 2,178ift2 Percent impervious 38.5% % Design rainfall depth -7.'-1.5tinch Peak Flow Calculations Is pre/post control of the 1-yr, 24-hr peak Flow required? 'zY - -,'.��.,,: ,(Y or N) 1-yr, 24-hr runoff depth t` rv' ""c^ '� i3.561in 1-yr, 24-hr intensity 0.15iin/hr Pre -development 1-yr, 24-hr peak flow C'i: '� >: • 0:150ift3/sec Post -development 1-yr, 24-hr peak flow 1' � UV ,• :0.420!ft3/sec Pre/Post 1-yr, 24-hr peak control 0.270 ft3/sec Storage Volume: Non-SAWaters Minimum volume required t�<•- 280.Of fl3 Volume provided tka;<.."'-'."+*370.0!ft' OK Storage Volume: SAWaters 1.5' runoff volume i :l, `" -' .1ft3 Pre -development 1 -yr, 24-hr runoff F_,TNr, ' `,°.`•ft3 Post -development 1-yr, 24-hr runoff Minimum volume required 0 ft3 Volume provided I:;+, �•,..`.�:. I- . ;'-1ft3 Cell Dimensions Pending depth of water 777 11:12'inchas OK Pending depth of water 1.00 ft Surface area of the top of the bloretention cell ry' OKCO Length: 281ft OK Width: _:,`t0ft OK -or-Radius Media and Soils Summary Drawdown time, ponded volume .:'�:`- 61hr OK Drawdown time, to 24 inches below surface<�t'c4�-,12thr OK Drawdown time, total: 18 fir In -situ soil: Soil permeability _77, 777214 inlhr OK Planting media soil: Soil permeability =1` �= 2'00;in/hr OK Soil composition % Sand (by volume) %'"'' '85%! OK % Fines (by volume) ;+€,4; �;.. r=m10°/u1 OK %Organic (by volume) h`'C•»'»-, ;5°�1 OK Total: 100% Phosphorus Index (P-Index) of media F' ,,t_x, l; :'Fafi20((unitless) OK Form SW401-Bioretention-Rev.e June 25, 2010 Parts I and II. Design Summary, Page 1 of 2 Basin Elevations • ;0 Temporary pool elevation (� '`° y200'0�finsI Type of bioretention cell (answer'Y' to only one of the two following questions): Is this a grassed cell? 'Y r,;,(Y or N) OK Is this a cell with trees/shrubs? l -.• `,-N I(Y or N) Planting elevation (lop of the mulch or grass sod layer) .19!fmsl Depth of mulch I ' ;.flinches Bottom of the planting media soil 't- d� :iolr� _. '171fmsl N Planting media depth 2 ft Depth of washed sand below planting media soil Are underdrains being installed?' 4 N I o- }A(Y or N) f How many clean out pipes are being installed? t"♦ i rI What factor of safety is used for sizing the underdrains? (See BMP Manual Section 12.3.6) ,='?' . • f Additional distance between the bottom of the planting media and 0 ft the bottom of the cell to account for underdrains Bottom of the cell required 17 fmsl SHWT elevation �" •'.15!fmsl Distance from bottom to SHWT 2 ft OK Internal Water Storage Zone (IWS) Does the design include IWS i+,�i - _, �N -l(Y or N) Elevation of the top of the upturned elbow i fir= , , , fmsl Separation of IWS and Surface 19 It Planting Plan Number of tree species Number of shrub species (�;`') •fi"� Number of herbaceous groundcover species Additional Information Does volume in excess of the design volume bypass the bioretention cell? V, 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 30 feet from surface waters (50 feet if r `" SA waters)? Is the BMP located at lead 100 feet from water supply wells? i?>"tr: Y`' Are the vegetated side slopes equal to or less than 3:1? Is the BMP located in a proposed drainage easement with access r+ to a public Right ofWay (ROW)? i 1; Y•fxs Inlet velocity (from treatment system) Is the area surrounding the cell likely to undergo development in the future? Are the slopes draining to the bioretention cell greater than 20%7 Is the drainage area permanently stabilized? Pretreatment Used (Indicate Type Used with an'X' in the shaded cell) Gravel and grass (8 inches gravel followed by 3-5 It of grass) Grassed Swale Forebay Other or N) OK or N) OK Permit Number. (to be provided by DWQ) or N) Show how flow is evenly distributed. or N) OK or N) OK or N) OK or N) OK ec OK or N) OK or N) OK or N) OK 3T.7 Form SW401-Bioretenbon-Rev.8 June 25, 2010 Parts I and 11. Design Summary, Page 2 of 2 s .l Permit No: (to be assigned by DWq) III951REQ(JIEtEO}IT0s,OHECsIUltST 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. Paget Plan Irg(tjals heel No. N C-505 I h 1. Plans (1' - 50' or larger) of the entire site showing: - Design at ultimate build-ou4 - Off -site drainage (if applicable), - Delineated drainage basins (include Rational C coefficient per basin), - Cell dimensions, - Pretreatment system, - High flow bypass system, - Maintenance access, - Recorded drainage easement and public right of way (ROW), - Clean out pipe locations, - Overflow device, and - Boundaries of drainage easement. 2. Plan details (1' = 30' or larger) for the bioretention cell showing: - Cell dimensions -Pretreatmentsystem, - High flow bypass system, - Maintenance access, - Recorded drainage easement and pudic 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 between 10 and 30 3. Section view of the bioretention cell (1' = 21y or larger) showing: - Side slopes, 3:1 or lower - Underdrain system (if applicable), and - Bioretention cell layers (ground level and slope, pre-treatment, ponding depth, mulch depth, fill media depth, washed sand, filter fabric (or choking stone it applicable), #57 stone, underdrains (if applicable), SHWT level(s), and overflow structure) 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 8 submitting the soils investigation request form. County soil maps are not an acceptable source of soils information. Al elevations shall be in feet mean sea level (frost). Results of soils tests of both the planting soil and the in situ soil must include: - Soil permeability, - Sol composition (% sand, % fines, % organic), and - P4ndex. 5. A detailed planting plan (1' = 2p or larger) prepared by a qualified individual showing: - A variety of suitable spedes, - Sizes, spacing and locations of plantings, - Total quantity of each type of plant specified, -A planting detail, - The source nursery for the plants, and - Fertilizer and watering requirements to establish vegetation. 6. A construction sequence that shows how the bioretention call will be protected from sediment unfit the entire drainage area's stabilized. 7. The supporting calculations (including underdrain calculations, if applicable). 8. A copy of the signed and notarized inspection and maintenance (18M) agreement 9. A copy of the deed restriction. Forth SW40143ioMention-Rev.7 Part Ill, Page 1 of 1 Permit Number: -SLiJB��� 'o (to be provided by DWQ) `NCNW o=Op WA7F, O i O Y STORMWATER MANAGEMENT PERMIT APPLICATION FORM 401 CERTIFICATION APPLICATION FORM BIORETENTION CELL SUPPLEMENT This form must be filled out, printed and submitted. The Required Items Checklist (Part III) must be printed, filled out and submitted along with all of the required information. rroleci name Contact name Phone number Date Drainage area number Crystal Hill '604•B22 3080 7 xf� sm • ;'#, "' x„ � ;{ !Novembei.17,2010,..,. �,•- +`,,.{ I I 1 DESIGN;INFORMATION Site Characteristics Drainage area 6098 ftz Impervious area [`.'•:zrTS 4;3561ft2 Percent impervious 71.4% % Design rainfall depth ;._-1.5`inch Peak Flow Calculations Is pre/post control of the 1-yr, 24-hr peak flow required? F-7 >Y'-d ". �:.- (Y or N) 1-yr, 24-hr runoff depth Y ' .I s"" si'' ' 43.561 in 1-yr, 24-hr intensity 1' `- ._ F - : 0.15 in/hr Pre -development 1-yr,24-hrpeak flow +1d' rw0:1601ft'/sec Post -development 1-yr, 24-hr peak flow Pre/Post 1-yr, 24-hr peak control 0.470 ft3/sec Storage Volume: Non -SA Waters Minimum volume required -'' r- 528:0 ft3 Volume provided -Wt:x'X552:0!ft3 OK Storage Volume: SA Waters 1.5' runoff volume ?`„ , 7 ' _ AW Pre -development l-yr,24-hrrunoffIft' Post -development 1-yr, 24-hr runoff a l� a` M=»=>.� _��_.. Ift3 Minimum volume required 0 ft' Volume provided '� �' `• ' :' ; ft3 Cell Dimensions Ponding depth of water Ponding depth of water Surface area of the lop of the bioretention cell Length: Width: -or- Radius Media and Soils Summary Drawdown time, ponded volume Drawdown time, to 24 inches below surface Drawdown time, total: In-s@u soil: Soil permeability Planting media soil: Soil permeability Soil composition % Sand (by volume) % Fines (by volume) % Organic (by volume) Phosphorus Index (P-Index) of media Form SW401-Bioretention-Rev.8 June 25, 2010 '�,;.91inches OK 0.75 ft a'74", OK 30'ft OK "E18;ft OK 1; 6:4,hr OK ,.J2.81hr OK 19.2 hr n/hr OK ;in/hr OK OK �'V10%' OK ir14-'y5%' OK Total: 100% I'',. are A.',`» 201(unitless) OK Paris I and 11. Design Summary, Page 1 of 2 Permit Number: (to be provided by MW ) Brain Elevations Temporary pool elevation Type of biorelention cell (answer "Y' to only one of the two following questions): Is this a grassed cell? Is this a cell with trees/shrubs? Planting elevation (top of the mulch or grass sod layer) Depth of mulch Bottom of the planting media soil Planting media depth Depth of washed sand below planting media soil Are underdrains being installed? How many clean out pipes are being installed? What factor of safely is used for sizing the underdrains? (See BMP Manual Section 12.3.6) Additional distance between the bottom of the planting media and the bottom of the cell to account for underdrains Bottom of the cell required SHWT elevation Distance from bottom to SHWi Internal Water Storage Zone (IWS) 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 Additional Information Does volume in excess of the design volume bypass the biorelention 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 flow? Is the BMP located at least 30 feet from surface waters (50 feet if SA waters)? Is the BMP localed at least 100 feet from water supply wells? Are the vegetated side slopes equal to or less than 3:1? Is the BMP located in a proposed drainage easement with access to a public Right of Way (ROW)? Inlet velocity (from treatment system) Is the area surrounding the cell likely to undergo development in the future? Are the slopes draining to the bioretention cell greater than 20%? Is the drainage area permanently stabilized? Pretreatment Used (Indicate Type Used with an "X" in the shaded cell) Gravel and grass (8 inches gravel followed by 3-5 ft of grass) Grassed Swale Forebay Other F777T7Tgwfmsl (YorN) OK l.'.. �,$ -.N"' ;i--�,?(Y or N) j �' 4 T-19jfmsl (' r`.;.;inches !-..]7lfmsl 2tt {r :it F irL f' 11 µt Oft 17 fmsl fmsl 2 It OK i ? {N a: x �y+} (Y or N) � 1 19 ft N) OK N) OK N) Show how flow is evenly distributed. N) OK N) OK N) OK N) OK OK N) OK N) OK N) OK y Form SW401-Bioretengon-Rev.8 June 25, 2010 Parts I and 11. Design Summary, Page 2 of 2 k, Permit No: (no be assigned by M ) III.�REQUIREOJITf=h1SjCHEGNLIST 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. Pagel Plan Ir�(tjals heel No. 1. Plans (1' - 50' or larger) of the entire site showing: - Design at ultimate build -out - Off -site drainage (if applicable), - Delineated drainage basins (include Rational C coefficient per basin), - Cell dimensions, - Pretreatment system, . - High flow bypass system, - Maintenance access, - Recorded drainage easement and public right of way (ROW), - Clean out pipe locations, - Overflow device, and C. 90 J' ^'V' - Boundaries of drainage easement 2. Plan details (1' = 30' or larger) for the bioretention cell showing: -Cell dimensions - Pretreatment system, - High flow bypass system, - Maintenance access, - Recorded drainage easement and pudic right of way (ROW), - Design at ultimate build -out, - Off -site drainage (it applicable), - Clean out pipe locations, - Overflow device, and - Boundaries of drainage easement. ICU Indicate the P-Index between 10 and 30 3. Section view of the bioretention cell (1' = 20' or larger) showing: - Side slopes, 3:1 or lower - Underdrain system (if applicable), and - Bioretention cell layers [ground level and slope, pre-treatment, ponding depth, mulch depth, fill media depth, washed sand, filter fabric (or choking stone lt applicable), #57 stone, underdrains (if applicable), SHWT level(s), and overflow structure] 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. Al elevations shall be in feet mean sea level (fmsl). Results of soils tests of both the planting soil and the in situ soil must include: - - Soil permeability, Q/($j - Soil composition (% sand, % fines, % organic), and - P-index. �`/-�' n 5. A detailed planting plan (1' = 2(Y or larger) prepared by a qualified individual showing: A variety of suitable species, - Sizes, spacing and locations of plantings, - Total quantity of each type of plant specified, -A planting detail, - The source nursery for the plants, and C � - Fertilizer and watering requirements to establish vegetation. 6. A construction sequence that shows how the bioretention cell will be protected from sediment until the A,1t I entire drainage area's stabilized. 7. The supporting calculations (including underdrain calculations, dapplicable). n I A copy of the signed and notarized inspection and maintenance (18M) agreement (�' 9. A copy of the dead restriction. Form SW40143iomtenaon-Rev.7 Pan III, Page 1 of 1