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SW8110702_HISTORICAL FILE_20141028
STORMWATER DIVISION CODING SHEET POST-CONSTRUCTION PERMITS PERMIT NO. SW8 00 -102 DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS © HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE 2c)\y \U28 YYYYMMDD #D& North Carolina Department of Environment and Natural Resources John E. Skvada, III Pat McCrory Secretary Governor October 28, 2014 Neal Paul, Designated Governmental Official USMCB Camp Lejeune 1005 Michael Road Camp Lejeune, NC 28542 Subject: Stormwater Management Permit No. SW8110702 Gonzalez Boulevard Extension High Density Commercial infiltration Basin Project Onslow County Dear Mr. Neal: The Wilmington Regional Office received a complete State Stormwater Management Permit Application for Gonzalez Boulevard Extension on October 21, 2014. Staff review of the plans and specifications has determined that the project, as proposed, will comply with the Stormwater Regulations set forth in Session Law 2008-211 and Title 15A NCAC 2H.1000. We are forwarding Permit No. SW8 110702 dated October 28, 2014, for the construction, operation and maintenance of the BMP's and built-upon area associated with the subject project. This permit shall be effective from the date of issuance until August 2, 2021, and shall be subject to the conditions and limitations as specified therein. Please pay special attention to the conditions listed in this permit regarding the Operation and Maintenance of the BMP(s), recordation of deed restrictions, certification of the BMP's, procedures for changing ownership, transferring the permit, and renewing the permit. Failure to establish an adequate system for operation and maintenance of the stormwater management system, to record deed restrictions, to certify the BMP's, to transfer the permit, or to . renew the permit, will result in future compliance problems If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to request an adludicatory 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, or need additional information concerning this matter, please contact Chris Baker in the Wilmington Regional Office at (910) 796-7215. Sincerely, avis, P.E., Direcor Division of Energy, Mineral and Land Resources GDS/csb: G:\WQ\Shared\Stonnwater\Permits&Projects\2014\110702 HD\201410 permit 110702 cc: Galen Jamison, P. E., Catlin Engineers and Scientist Wilmington Regional Office Stormwater File i Division of Energy,Mineral,and Land Resources Land Quality Section—Wilmington Regional Office 127 Cardinal Drive Extension,Wilmington, North Carolina 26405•(910)796-72151 Fax:(910)350-2004 State Stormwater Management Systems Permit No. SW8 110702 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF ENERGY, MINERAL AND LAND RESOURCES STATE STORMWATER MANAGEMENT PERMIT HIGH DENSITY COMMERCIAL DEVELOPMENT In accordance with the provisions of Article21 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 Gonzalez Boulevard Extension Gonzalez Boulevard, Camp Lejeune, Onslow County FOR THE construction, operation and maintenance of two (2) infiltration basin in compliance with the provisions of Session Law 2008-211 and 15A NCAC 2H .1000 (hereafter the "stormwater rules') and the approved stormwater management plans and specifications and other supporting data as attached and on file with and approved by the Division and considered a part of this permit. This permit shall be effective from the date of issuance until August 2, 2021, and shall be subject to the following specified conditions and limitations: I. DESIGN STANDARDS 1. This permit is effective only with respect to the nature and volume of stormwater described in the application and other supporting data. 2. This permit covers the construction of a total of 1,567,364 square feet of built- upon area. 3. This stormwater system is overall low density with two pockets of high density. The permit covers a total of 1,567,364 square feet of BUA of which 1,512,152 square feet is the untreated low density area, 12,913 square feet is treated in infiltration basin #1, and 42,229 square feet is treated in basin #2. 4. The overall tract built-upon area percentage for the project must be maintained at no more than 24%, as required by the stormwater rules. 5. The excess design storm overflow from the infiltration basin must be directed into a 30' vegetated filter strip and level spreader, designed per Section .1008 (f) of the stormwater rules. 6. The tract will be limited to the amount of built-upon area indicated in Section 1.8 of this permit, and as shown on the approved plans. Page 2 of 7 State Stormwater Management Systems Permit No. SW8 110702 7. The runoff from all built-upon area within the permitted drainage area of this project must be directed into the permitted stormwater control system. 8. The following design criteria have been permitted for the infiltration basin and must be provided and maintained at design condition: Infiltration Basin #1 Infiltration Basin #2 Drainage Area "B" Drainage Area "C" a. Drainage Area, acres: 1.0 2.1 Onsite, ftz: 43,639 91,722 Offsite, ft2 N/A N/A b. Total Impervious Surfaces, ft2: 12,913 42,299 Onsite, ft2: 12,913 42,299 Offsite, ft2 N/A N/A C. Design Storm, inches: 1.5 1.5 d. Basin Depth, feet: 3 2 e. Bottom Elevation, FMSL: 7 11 f. Bottom Surface Area, ft`: 900 4,550 g. Bypass Weir Elevation, FMLS: 10 13 h. Permitted Storage Volume, ft': 4,806 10,864 i Type of Soil: Baymeade Marvyn j. Expected Infiltration rate: 2.06 5.37 k. Seasonal High Water Table, FMSL: 5 8.5 I. Time to Draw Down, hours 31 5.3 m. Receiving Stream/River Basin: Cogdels Creek/White Oak n. Stream Index Number: 19-23 o. Classification of Water Body: SQNSW II. SCHEDULE OF COMPLIANCE 1. The stormwater management system shall be constructed in its entirety, vegetated and operational for its intended use prior to the construction of any built-upon surface. 2. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. If the stormwater system is used as an Erosion Control device, it must be restored to design condition prior to operation as a stormwater treatment device, and prior to occupancy of the facility. 3. The permittee shall follow the approved Operation and Maintenance Agreement in its entirety, and shall provide and perform the listed operation and maintenance procedures at the specified intervals to assure the permitted stormwater system functions at optimum efficiency. 4. Records of maintenance activities must be kept for each permitted BMP. The reports will indicate the date, activity, name of person performing the work and what actions were taken. 5. The facilities shall be constructed in accordance with the conditions of this permit, the approved plans and specifications, and other supporting data. 6. All stormwater collection and treatment systems must be located in public rights- of-way, common areas or 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. Access to the stormwater facilities shall be maintained via appropriate easements at all times Page 3 of 7 State Stormwater Management Systems Permit No. SW8 110702 7. 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. 8. The permittee shall submit to the Director and shall have received approval for revised plans, specifications, and calculations prior to construction, for any modification to the approved plans, including, but not limited to, those listed below: a. Any revision to any item shown on the approved plans, including the stormwater management measures, built-upon area, details, etc. b. Redesign or addition to the approved amount of built-upon area or to the drainage area. C. Further development, subdivision, acquisition, lease or sale of any, all or part of the project area. d. Filling in, altering, or piping of any vegetative conveyance shown on the approved plan. e. The construction of any designated future BUA on the application. 9. The Director may notify the permittee when the permitted site does not meet one or more of the minimum requirements of the permit. Within the time frame specified in the notice, the permittee shall submit a written time schedule to the Director for modifying the site to meet minimum requirements. The permittee shall provide copies of revised plans and certification in writing to the Director that the changes have been made. III. GENERAL CONDITIONS 1. This permit is not transferable to any person or entity except after notice to and approval by the Director. The permittee shall submit a completed and signed Name/Ownership Change Form, accompanied by the supporting documentation as listed on the form, to the Division at least 60 days prior to any one or more of the following events: a. An ownership change including the sale or conveyance of the project area in whole or in part; b. The sale or conveyance of the common areas to a Homeowner's or Property Owner's Association, subject to the requirements of Session Law 2011-256; c. Bankruptcy; d. Foreclosure; e. Dissolution of the partnership or corporate entity; f. A name change of the current permittee; g. A name change of the project; h. A mailing address change of the permittee; 2. The permittee is responsible for compliance with all permit conditions until such time as the Division approves the transfer request. 3. Approved plans, calculations, supplement forms, operation and maintenance agreements and specifications for this project are incorporated by reference and are enforceable parts of the permit. A copy of the approved plans and specifications shall be maintained on file by the Permittee at all times. 4. Any individual or entity found to be in noncompliance with the terms and conditions of this permit or with the stormwater rules, is subject to enforcement Page 4 of 7 State Stormwater Management Systems Permit No. SW8 110702 action by the Division, in accordance with NCGS 143, Article 21. 5. The issuance of this permit does not preclude the Permittee from complying with any and all statutes, rules, regulations, or ordinances, which may be imposed by other government agencies (local, state, and federal) having jurisdiction. 6. In the event that the facilities fail to perform satisfactorily the Permittee shall take immediate corrective action, including those as may be required by this Division, such as the construction of additional or replacement stormwater management systems. 7. The permittee grants DENR Staff permission to enter the property during normal business hours for the purpose of inspecting all components of the permitted stormwater management facility. 8. The permit issued shall continue in force and effect until revoked or terminated. The permit may be modified, revoked and reissued or terminated for cause. The filing of a request for a permit modification, revocation and reissuance or termination does not stay any permit condition. 9. Unless specified elsewhere, permanent seeding requirements for the stormwater controls must follow the guidelines established in the North Carolina Erosion and Sediment Control Planning and Design Manual. 10. The issuance of this permit does not prohibit the Director from reopening and modifying the permit, revoking and reissuing the permit, or terminating the permit as allowed by the laws, rules and regulations contained in Session Law 2008- 211, Title 15A NCAC 2H.1000, and NCGS 143-215.1 et. al. 11. The permittee shall submit a permit renewal application at least 180 days prior to the expiration date of this permit. The renewal request must include the appropriate documentation and the processing fee. Permit issued this the 28th day of October, 2014. NQffTH CAROLINA PkIROIN MENTAL MANAGEMENT COMMISSION racy Vavis, P.E., Director Division of Energy, Mineral and Land Resources By Authority of the Environmental Management Commission Page 5 of 7 State Stormwater Management Systems Permit No. SW8 110702 Gonzalez Boulevard Extension Stormwater Permit No. SW8 110702 Onslow County Designer's Certification I, as a duly registered in the State of North Carolina, having been authorized to observe (periodically/weekly/full time) the construction of the project, (Project) 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: SEAL Signature Registration Number Date Page 6 of 7 State Stormwater Management Systems Permit No. SW8 110702 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 bypass structure weir elevation is per the approved plan. 6. The bypass structure is located per the approved plans. 7. A Trash Rack is provided on the bypass structure. 8. All slopes are grassed with permanent vegetation. 9. Vegetated slopes are no steeper than 3:1. 10. The inlets are located per the approved plans and do not cause short- circuiting of the system. 11. The permitted amounts of surface area and/or volume have been provided. 12. All required design depths are provided. 13. All required parts of the system are provided. 14. The required system dimensions are provided per the approved plans. cc: NCDENR-DEMLR Wilmington Regional Office Page 7 of 7 - - - DEMLR USE ONLY , Date Received Fee Paid /2Gfff/ S .S Permit Number eq Applicable Rules: ❑Coastal SW-1995 ❑ Coasfal SW-2008 ❑ Ph II-Post Construction (select all that apply) ❑ Non-Coastal SW- HQW/ORW Waters ❑ Universal Stormwater Management Plan ❑ Other WQ Mgmt Plan: State of North Carolina Department of Environment and Natural Resources Division of Energy, Mineral and Land Resources STORMWATER MANAGEMENT PERMIT APPLICATION FORM This form may be pliotocopied for use as an original I. GENERAL INFORMATION 1. Project Name(subdivision,facility,or establishment name-should be consistent with project name on plans, specifications, letters,operation and maintenance agreements,etc.): Gonzalez Boulevard Extension (Cogedels Creek Pump Station#2) 2. Location of Project(street address): Gonzalez Blvd City:Camp Lejeune County:Onslow Zip:28547 3. Directions to project(from nearest major intersection): From US17 and NC24 (Main Entrance to Camp Lejeune) take NC24 East to Holcomb Blvd turn right onto Holcomb Blvd. travel approximately 3.3 miles to Sneads Ferry Road turn left on Sneads Ferry Road travel approximately 1.3 miles and turn right on Gonzalez Blvd Extension Travel 3/4 miles and site is on the rig_h just before the bridge over Cogdels Creek. 4. Latitude:34°39' 31" N Longitude:77°19' 34" W of the main entrance to the project. II. PERMIT INFORMATION: 1.a.Specify whether project is (check one): ❑New ®Modification ❑ Renewal w/ Modificationt tRenetnals with modifications also requires SWU-102-Renezoal Application Form b.If this application is being submitted as the result of a modification to an existing permit, list the existing permit numberSW8110702 , its issue date(if known)8-2-11 ,and the status of construction: ❑Not Started ®Partially Completed* ❑ Completed* *provide a designer's certification 2. Specify the type of project(check one): ®Low Density []High Density ❑Drains to an Offsite Stormwater System ❑Other 3. If this application is being submitted as the result of a previously returned application or a letter from DEMLR requesting a state stormwater management permit application, list the stormwater project number, if assigned, and the previous name of the project, if different than currently proposed, 4.a.Additional Project Requirements (check applicable blanks; information on required state permits can be obtained by contacting the Customer Service Center at 1-877-623-6748): ❑CAMA Major ®Sedimentation/Erosion Control: 2 ac of Disturbed Area ❑NPDES Industrial Stormwater ❑404/401 Permit: Proposed Impacts lICp ;l!- lj\V/G�R b.If any of these permits have already been acquired please provide the Project Name, roject/'PermifNumber, issue date and the type of each permit: %.4APT n a n 41. 77 BY: Form SWU-101 Version Oct. 31,2013 Page I of 5. Is the project located within 5 miles of a public airport? ®No ❑Yes If yes,see S.L. 2012-200, Part VI:htti2://portal.ncdenr.org/web/Ii/rules-and-regulations III. CONTACT INFORMATION 1.a.Print Applicant/ Signing Official's name and title (specifically the developer, property owner, lessee, designated government official, individual,etc.who owns the project): Applicant/Organization:MarineCorps Base,Camp Leieune Signing Official &Title:Neat_Paul, Designated Government Offical b.Contact information for person listed in item la above: Street Address:1005 Michael Road City:Camp Lejeune State:NC Zip:28542 Mailing Address (if applicable): City: State: Zip: Phone: (910 ) 451-3034 Fax: (910 ) 451-3300 Email:neal.pail@usmc.mil c.Please check the appropriate box.The applicant listed above is: ®The property owner(Skip to Contact Information, item 3a) ❑ Lessee* (Attach a copy of the lease agreement and complete Contact Information,item 2a and 2b below) ❑ Purchaser* (Attach a copy of the pending sales agreement and complete Contact Information, item 2a and 2b below) ❑ Developer*(Complete Contact Information, item 2a and 2b below.) 2.a.Print Property Owner's name and title below, if you are the lessee, purchaser or developer. (This is the person who owns the property that the project is located on): Property Owner/Organization: Signing Official&Title: b.Contact information for person listed in item 2a above: Street Address: City: State: Zip: Mailing Address(if applicable): City: State: Zip: Phone: ( ) Fax: ( ) Email: 3.a. (Optional) Print the name and title of another contact such as the projects construction supervisor or other person who can answer questions about the project: Other Contact Person/Organization: Signing Official&Title: b.Contact information for person listed in item 3a above: Mailing Address: City: State: "Lip: Phone: ( ) Fax: _iall �/ LC Email: OCT 2 12014 4. Local jurisdiction for building permits: Point of Contact: Phone#: ( ) y Form SWU-101 Version Oct. 31, 2013 Page 2 of IV. PROJECT INFORMATION 1. In the space provided below,briefly summarize how the storm water runoff will be treated. Combination of grass swales and the existing infiltration basin will treat any stormwater runoff. 2.a.If claiming vested rights, identify the supporting documents provided and the date they were approved: ❑ Approval of a Site Specific Development Plan or PUD Approval Date: ❑ Valid Building Permit Issued Date: ❑Other: Date: b.If claiming vested rights, identify the regulation(s) the project has been designed in accordance with: ❑Coastal SW-1995 ❑ Ph II- Post Construction 3. Stormwater runoff from this project drains to the White Oak River basin. 4. Total Property Area:49.31 acres 5. Total Coastal Wetlands Area: N/A acres 6. Total Surface Water Area: 0 acres 7. Total Property Area (4) -Total Coastal Wetlands Area(5)-Total Surface Water Area(6) =Total Project Area+:149.31 acres Total project area shall be calculated to exclude the following the nornwl pool of impounded structures, the area between the batiks of streams and rivers, the area below the Normal High Water(NHW) line or Mean High Water (MHW) line, and coastal wetlands landward frmu the NHW(or MHM line. The resultant project area is used to calculate overall percent built upon area (BUA). Non-coastal wetlands landward of the NHW(or MHW)line may be included in the total project area. 8. Project percent of impervious area: (Total Impervious Area / Total Project Area)X 100 =23.5 9. How many drainage areas does the project have?3 (For high density, count 1 for each proposed engineered stormwater BMP. For low density and other projects, use 1 for the Whole properhj area) 10. Complete the following information for each drainage area identified in Project Information item 9. If there are more than four drainage areas in the project,attach an additional sheet with the information for each area provided in the same format as below. Basin Information ' ' Drainage Area A Drainage Area B Drainage Area C Drainage Area Receiving Stream Name Cogdels Creek Cogdels Creek Cogdels Creek Stream Class * SC-NSW SC-NSW SC-NSW Stream Index Number* 19-23 19-23 19-23 Total Drainage Area(so 6424632 43639 91722 On-site Drainage Area(sf) 6424632 43639 91722 Off-site Drainage Area(sf) Pro osed Impervious Area*' (sf) 1512152 12913 42299 Im ervious Area*` total 23.5 29 46.1 Impervious-Surface Area Drainage Area A Drainage Area B Draina e Area C Draina e Area_ On-site Buildings/Lots (so 9000 1095 On-site Streets (so 462670 3913 3630 On-site Parking (so On-site Sidewalks (so 20596 126 Other on-site (so 6351 (area"C") 1500 Future(so 874100 Off-site (so Existing BUA*** (so 148435 35948 Total (so: 1512152 12913 42299 \ Stream Class and Index Number can be determined at: littp://portal.nedenr.org/web/valos/esu/cl A% ations Impervious area is defined as the built upon area including, but not limited to, buildings, roads, p irking area, sidewalks, gravel areas, etc. 1 a�• Form SWU-101 Version Oct. 31, 2013 Page 3 of 6 'Report only that amount of existing BUA that will remain after development. Do not report any existing BUA that is to be removed and which will be replaced by new BLIA. 11. How was the off-site impervious area listed above determined? Provide documentation. Proieets in Union Countv: Contact DEMLR Central ice staffto check ifthe project is located within a Threatened& Endangered Species watershed that may be subject to more stringent stormwater requirements as per I5A NCAC 02B.0600. V. SUPPLEMENT AND O&M FORMS The applicable state stormwater management permit supplement and operation and maintenance(O&M) forms must be submitted for each BMP specified for this project. The latest versions of the forms can be downloaded from http://portal.ncdenr.org/web/wq/ws/su/bmp-manual. VI. SUBMITTAL REQUIREMENTS Only complete application packages will be accepted and reviewed by the Division of Energy, Mineral and Land Resources (DEMLR). A complete package includes all of the items listed below. A detailed application instruction sheet and BMP checklists are available from hqp://portal.ncdenr.org/web/wq/ws/su/statesw/forms does: The complete application package should be submitted to the appropriate DEMLR Office. (The appropriate office may be found by locating project on the interactive online map athttp://portal.ncdenr.org/web/wq/ws/su/maps.) Please indicate that the following required information have been provided by initialing in the space provided for each item. All original documents MUST be signed and initialed in blue ink. Download the latest versions for each submitted application package from http://portal.ncdenr.org/web/wq/ws/su/statesw/forms dots. als 1. Original and one copy of the Stormwater Management Permit Application Form. 2. Original and one copy of the signed and notarized Deed Restrictions &Protective Covenants LAIC- Form. (if required as per Part VII below) 3. Original of the applicable Supplement Form(s) (sealed,signed and dated) and O&M A agreement(s) for each BMP. 4. Permit application processing fee of$505 payable to NCDENR. (For an Express review, refer to _ http://www.envhelp.org/pages/onestopexpress.htmI for information on the Express program and the associated fees. Contact the appropriate regional office Express Permit Coordinator for additional information and to schedule the required application meeting.) 5. A detailed narrative(one to two pages) describing the stormwater treatment/managementfor the project. This is required in addition to the brief summary provided in the Project Information,item 1. 6. A USGS map identifying the site location. If the receiving stream is reported as class SA or the receiving stream drains to class SA waters within 1/2 mile of the site boundary, include the 1/2 mile radius on the map. 7. Sealed,signed and dated calculations (one copy). 8. Two sets of plans folded to 8.5" x 14" (sealed,signed,&dated), including: a. Development/Project name. b. Engineer and firm. c. Location map with named streets and NCSR numbers. d. Legend. e. North arrow. f. Scale. g. Revision number and dates. h.' Identify all surface waters on the plans by delineating the normal pool elevation of impounded structures, the banks of streams and rivers, the MHW or NHW line of tidal waters,and any coastal wetlands landward of the MHW or NHW lines. q=F-e G!r �OV P . • Delineate the vegetated buffer landward from the normal pool elevation of impounded-'k— — structures, the banks of streams or rivers, and the MHW (or NHW)of tidal waters. OCT 2 12014 i. Dimensioned property/project boundary with bearings &distances. 7 j. Site Layout with all BUA identified and dimensioned. k. Existing contours, proposed contours,spot elevations, finished floor elevations. BY.'- 1. Details of roads,drainage features,collection systems, and stormwater control measures. m. Wetlands delineated,or a note on the plans that none exist. (Must be delineated by a qualified person. Provide documentation of qualifications and identify the person who made the determination on the plans. Form S WU-101 Version Oct. 31, 2013 Page 4 of 6 n. Existing drainage(including off-site),drainage easements, pipe sizes, runoff calculations. o. Drainage areas delineated (included in the main set of plans,not as a separate document). p. Vegetated buffers (where required). 9. Copy of any applicable soils report with the associated SHWT elevations(Please identify elevations in addition to depths)as well as a map of the boring locations with the existing elevations and boring logs. Include an 8.5"xll" copy of the NRCS County Soils map with the project area clearly delineated. For projects with infiltration BMPs, the report should also include the soil type,expected infiltration rate, and the method of determining the infiltration rate. (Infiltration Devices submitted to WiRO:Schedule a site visit for DEMLR to verify the SHWT prior to submittal, (910) 796-7378.) 10. A copy of the most current property deed. Deed book: Page No: in(� 11. For corporations and limited liability corporations(LLC): Provide documentation from the NC N Secretary of State or other official documentation,which supports the titles and positions held by the persons listed in Contact Information, item la, 2a, and/or 3a per 15A NCAC 2H.1003(e). The corporation or LLC must be listed as an active corporation in good standing with the NC Secretary of State,otherwise the application will be returned. h!!p://www.secretary.state.nc.us/Corporations/CSearch.aspx VII. DEED RESTRICTIONS AND PROTECTIVE COVENANTS For all subdivisions,outparcels,and future development, the appropriate property restrictions and protective covenants are required to be recorded prior to the sale of any lot. If lot sizes vary significantly or the proposed BUA allocations vary,a table listing each lot number, lot size,and the allowable built-upon area must be provided as an attachment to the completed and notarized deed restriction form. The appropriate deed restrictions and protective covenants forms can be downloaded from http://12ortal.ncdenr.org/web/Ir/state-stormwater- forms does. Download the latest versions for each submittal. In the instances where the applicant is different than the property owner, it is the responsibility of the property owner to sign the deed restrictions and protective covenants form while the applicant is responsible for ensuring that the deed restrictions are recorded. By the notarized signature(s) below,the permit holder(s) certify that the recorded property restrictions and protective covenants for this project,if required,shall include all the items required in the permit and listed on the forms available on the website,that the covenants will be binding on all parties and persons claiming under them,that they will run with the land,that the required covenants cannot be changed or deleted without concurrence from the NC DEMLR,and that they will be recorded prior to the sale of any lot. VIII. CONSULTANT INFORMATION AND AUTHORIZATION Applicant: Complete this section if you wish to designate authority to another individual and/or firm (such as a consulting engineer and/or firm)so that they may provide information on your behalf for this project(such as addressing requests for additional information). Consulting Engineer:Galen Jamison,PE Consulting Firm: Catlin Engineers and Scientists Mailing Address:220 Old Dairy Road City:Wilmington State:NC Zip:28425 Phone: (910 1 452-5861 Fax: (910 ) 452-7563 Email:galen.jamison@catlinusa.com IX. PROPERTY OWNER AUTHORIZATION (if Cot tact Information, item 2 has been filled out, complete this section) 1, (print or hype none of person listed in Contact Information, item 2a) certify that I own the property identified in this permit application,and thus give permission to (print or hjpe name of person listed in Contact Information, item la) with (print or hjpe none of organization listed in Contact Information, item 1a) to develop the project as currently proposed. A copy of the lease agreement or pending property sales contract has been provided with the submittal,which indicates the party responsible for the operation and maintenance of the stormwater system. OCT 2 12014 Form SWU-101 Version Oct. 31,2013 Pa,-e 5 of 6 BY. As the legal property owner I acknowledge,understand, and agree by my signature below, that if my designated agent(entity listed in Contact Information, item 1) dissolves their company and/or cancels or defaults on their lease agreement, or pending sale, responsibility for compliance with the DEMLR Stormwater permit reverts back to me, the property owner. As the property owner, it is my responsibility to notify DEMLR immediately and submit a completed Name/Ownership Change Form within 30 days;otherwise I will be operating a stormwater treatment facility without a valid permit. I understand that the operation of a stormwater treatment facility without a valid permit is a violation of NC General Statue 143-215.1 and may result in appropriate enforcement action including the assessment of civil penalties of up to$25,000 per day, pursuant to NCGS 143-215.6. Signature: Date: I, a Notary Public for the State of County of do hereby certify that personally appeared before me this_day of and acknowledge the due execution of the application for a stormwater permit. Witness my hand and official seal, SEAL My commission expires X. APPLICANT'S CERTIFICATION I, (print or hjpe name of person listed in Contact Information, item la)Neal Paid certify that the information included on this permit application form is, to the best of my knowledge,correct and that the project will be constructed in conformance with the approved plans, that the required deed restrictions and protective covenants 11 be recor and at the proposed project complies with the requirements of the applicable storm wate ule s under 15 CA H .1000 and any other applicable state stormwater requirements. Signature: ryy� Date: I, a o Ptblic or th State of County of do he(rebby ccertify that �/""� ��U� personally appeared before me this V day of V l l_I, I I I q and ac no led the due execution of the application for a stormwater permit. Witness my hand and official s 1, SEAL KELLEY ur4oECOEVERING NOTARY PUBLIC pN$LOW COUNTY g7p?e (iF- N! PTI CAROLINA My commission expires OCT 2 12014 BY: Form S WU-101 Version Oct. 31,2013 Page 6 of 6 MEMORY TRANSMISSION REPORT TIME :10-29-2014 16:07 FAX NO.1 NAME FILE NO. -640 DATE 10.29 16:03 TO n 919104513300 DOCUMENT PAGES 8 START TIME 29 1 . 4 END TIME 10.29 16: 7 PAGES SENT 8 STATUS OK —SUCCESSFUL TX NOTICE' State of NorO Cntolfuw - Dnpnrtmant oe Snv�romm�nt and Nalurw�Rbvurcee WOmfvaton RnQInvW OMcn Pw�M Crnry. Gvvnrnnr FAX COVHR9�S69' JPM1n 6SAvarly!!I 6narntnry Date: �f�/Z��/� No.Pngaa(mcol.cnvvr): Fax: �/� y-S� —•.3-�G�C> Fwx: SR1Q)3[0-�004 Rn: /yo� a is GF'�- .�C / ���e- fir-,✓ - � o ___� 2'l CaN InN D'1vn 6�[tao�lm.Wllmingnn NC 2B�03�(910)'196-T2�5�M E9�v ODP^gym� Y ALL�maelw AaNnn BuPbys r State of North Carolina Department of Environment and Natural Resources Wilmington Regional Office Pat McCrory, Governor FAX COVER SHEET John E Skvarla III, Secretary Date: lD�� �� No. Pages(excl.cover): To: /v Cam" G `� /G From: Jo Casmer Co: Phone: (910)796-7336 Fax: 9�0_ 7 �`� Fax: (910)350-2004 Re: CEO// Z/� GEs ��uC7� -X ��.✓� d `�'2 127 Cardinal Drive Extension,Wilmington,NC 28405 a(910)796-7215•An Equal Opportunity Affirmative Action Employer State of North Carolina Department of Environment and Natural Resources Wilmington Regional Office Pat McCrory, Governor FAX COVER SHEET John E Skvarla III, Secretary Date: � i�9�i� No.Pages(excl.cover): To: y���f//� iSD'J From: JoCasmer Co: r/6�� /� � Phone: (910)796-7336 Fax: _ Fax: (910)350-2004 Re: �o�z�L� z BLv� J P '2 127 Cardinal Drive Extension,Wilmington,NC 28405•(910)796-7215•An Equal Opportunity Affirmative Action Employer For DENR Use ONLY Review. aQ A� A North Carolina Department of Environment and Submit 10 I' Natural Resources a NCDENR Request for Express Permit Review me Confirm. FILL-IN all the information below and CHECK the Permits)you are requesting for express review. Call and Email the completed fomt to the Permit Coordinator along with a completed DETAILED narrative,site plan(PDF rile)and vicinity map(same items expected in the application ap ckaQ of the project location.Please include this form in the application package. Asheville Re ion-Alison Davidson 828-296-4698,alison.davidsonencdenr. ov ProvidedEhistiroiectng its • 9 9 related to this Proiecf • Fayetteville or Raleigh Region-David Lee 919-7914203;david leeencdenrgov • Mooresville&Winston Salem Region-Patrick Grogan 704-235-2107 or palrick.grogancDncdenrgov SW— Washington Region-Lyn Hardison 252-948-3842 or lyn.hardisoncDncdenr go v SW— SW • Wilmington Region-Cameron Weaver910-796-7303orcameron.weaverCmncdenr.gov NPDES NOTE.Project application received after 72 noon will be stamped in the following work day. NPDES WD_ Project Name: GONZALEZ BOULEVARD EXTENSION County:ONSLOW wo— Applicant:NEAL PAUL Company:USMCB CMAP LEJEUNE E&S_ Address: 1005 MICHAEL ROAD, BLDG 1005 City:CAMP LEJEUNE,State:NC Zip:28542-_ E&S Phone:910-451-3034,Fax:910.451-3300, Email:NEAL.PAUL@USMC.MIL Other_ Physical Location:GONZALEZ BOULEVARD EXTENSION ADJACENT EASTERN ABUTMENT OF COGDELS CREEK BRIDGE Project Drains into COGDELS CREEK waters-Water classification SC; NSW(for classification see- http:i/podal.ncdenr.org/web/wq/ps/csu/classifications) Project Located in WHITE OAK River Basin. Is project draining to class ORW waters?N,within Yz mile and draining to class SA waters N or within 1 mile and draining to class HOW waters?N Engineer/Consultant:GALEN JAMISON Company:CATLIN ENGINEERS AND SCIENTISTS Address: 220 OLD DAIRY ROAD City:WILMINGTON,State:NC Zip:28405 Phone:910452-5861,Fax:910-452-7563,Email:GALEN.JAMISON@CATLINUSA.COM PLEASE PROVIDE ESTIMATED INVESTMENT AND EXPECTED EMPLOYMENT,IF AVAILABLE $2,000,000 #_JOBS SECTION ONE: REQUESTING A SCOPING MEETING ONLY ❑Scoping Meeting ONLY ®DWQ, ❑DCM,❑ DLR, ❑OTHER:— SECTION TWO: CHECK ONLY THE PROGRAM (S)YOU ARE REQUESTING FOR EXPRESS PERMITTING ❑401 Unit ❑Stream Origin Determination:_#of stream calls-Please attach TOPO map marking the areas in questions ❑Intermittent/Perennial Determination:_#of stream calls-Please attach TOPO map marking the areas in questions ❑401 Water Quality Certification ❑ Isolated Wetland(_linear It or_acres) ❑Riparian Buffer Authorization ❑Minor Variance ❑Major General Variance ®State Stormwater ❑General ❑ SFR, ❑SFR< 1 ac. ❑Bkhd&Bt Rmp, ❑Clear&Grub, ❑Utility ❑Other ❑Low Density ❑Low Density-Curb&Gutter _#Curb Outlet Swales ❑Off-site[SW_ (Provide permit#)) ❑High Density-Detention Pond _#Treatment Systems ❑ High Density-Infiltration _#Treatment Systems []High Density-Bio-Retention _4F Treatment Systems ❑ High Density-SW Wetlands _N Treatment Systems ❑High Density-Other —N Treatment Systems /®MOD:[:]Major®Minor❑ Plan Revision❑Redev. Exclusion SW 110702(Provide permit a) ❑Coastal Management ❑Excavation&Fill ❑Bridges&Culverts ❑Structures Information ❑Upland Development ❑Marina Development ❑Urban Waterfront s nd Quality ®Erosion and Sedimentation Control Plan with 2_5 acres to be disturbed.(CK# (for DENR use)) SECTION THREE-PLEASE CHECK ALL THAT IS APPLICABLE TO YOUR PROJECT(for both scoping and express meeting request) Wetlands on Site❑Yes®No Buffer Impacts: ®No❑YES: _acre(s) Wetlands Delineation has been completed: ❑Yes®No Isolated wetland on Property❑Yes®No US ACOE Approval of Delineation completed: ❑Yes®No 404 Application in Process w/US ACOE: ❑Yes ® No Permit Received from US ACOE❑Yes®No For DENR usconly Fee Split for multiplepermits: Check 0 Total Fee Amount $ SUBMITTAL DATES Fee I SUBMITTAL DATES Fee CAMA $ Variance(❑Maj;❑Min) $ SW(❑HD,❑LD,❑Gen) $ 401: $ Los $ Stream Deter— $ NCDENR EXPRESS January 2014 STORMWATER/EROSION CONTROL NARRATIVE P1264/1265 COGDELS CREEK PUMP STATION #2 Onslow County, NC MARINE CORPS BASE CAMP LEJEUNE, NORTH CAROLINA October 2014 PREPARED BY: CATLIN ENGINEERS AND SCIENTISTS P. O. BOX 10279 WILMINGTON, NORTH CAROLINA 28404-0279 (910) 452-5861 CORPORATE LICENSURE NO. FOR ENGINEERING SERVICES C-0585 The Commanding Officer of United States Marine Corps Base Camp Lejeune is proposing to construct a 650 gallon per minute (gpm) pump station with a building, associated site development, and approximately 1 ,050' of force main piping. The new force main pipe will be installed 20 feet below Cogdels Creek by horizontal directional drilling. Construction of the project is planned to begin in Jan 2015. The project area drains within the White Oak River Basin and outfalls to Cogdels Creek, a SC-NSW with a stream index of 19-23. The existing topography and planned site development results in several drainage basins as shown in the attached drainage area maps. The existing site is within the right of way of the recently constructed Gonzalez Blvd Extension project and near the bridge over Codgels Creek. The site is located near the toe of the slope for the bridge abutment. The western portion of the site is cleared and includes an infiltration basin which provides SWM for the entire bridge runoff. The eastern portion of the site is wooded. Stormwater runoff generally sheets flows and is directed to the infiltration basin. The alignment of the open cut portion of the force main construction is a minimum of 50' from the wetland limits of Cogdels Creek. The force main construction under Cogdels Creek will utilized trenchless technologies as to not disturb the wetland. There is no CAMA AEC within the project limits. Stormwater runoff from new built upon area (BUA) will be directed to the existing infiltration basin via overland sheet flow and two small swales located to the north and south. The infiltration basin was permitted with SW8 110702 and sized to handle 2.5 times the runoff volume from the bridge as there is no bypass system. The new BUA proposed (6,351), labeled as Drainage Area C in the SWM permit application, will require the infiltration basin to be lowered by 0.5' below design elevations and utilize the two small swales for storage. The existing Drainage Area A&B remain unaltered with the exception of decreasing the future allocation by the new BUA shown in Drainage Area C. The topographic survey indicates the basin has already accumulated approximately 0.5' of sediment, so the lowering of the basin will also serves as maintenance of the basin. The infiltration basin will be protected during construction by temporary erosion control measures. However, if these measures fail, we have specified the infiltration basin be re-graded and lowered after the site is fully stabilized. The project will primarily control erosion and sediment transport with the use of a variety of temporary measures such as a construction entrance, silt fence, sediment traps, diversion dikes, temporary seeding, and sod for final stabilization. The contractor shall install, maintain, and remove the temporary measures upon completion and stabilization of the site. The contractor shall clean and restore to a pre construction condition any areas that may inadvertently damaged or show evidence of sediment transport due to failure of any of the erosion control measures. CCPS2 DENR SWM-ESC narrative.doc CATLIN Engineers and Scientists CATLIN Project No. 214036 October 2014 All erosion control measures will be installed and functioning prior to the beginning the wet well excavation and utility construction. Off site stormwater runoff will be temporary divert around the project site. On site stormwater runoff will be minimal as disturbed area is limited. Dewatering of the deep excavation will be routed through filter bags and sediment traps before entering the existing infiltration basin. Re- grading of the infiltration basin will not be permitted until the entire site has been fully stabilized. See the project's control sequence notes on C-506. Any disturbed area will be protected with ground stabilization within 14 days and areas with slopes greater than 3:1 with 10' horizontal slope will be stabilized within 7 days. Perimeter areas disturbed will also be stabilized with 7 days. The 7 day stabilization requirements are indicated in the erosion control plan. Calculations included for the ditch are performed to check the 10 year capacity and 2 year erosive velocities for bare soils. Both ditches resulted in velocities less than 2 ft/sec. CCPS2 DENR SWM-ESC narrative.doc CATLIN Engineers and Scientists CATLIN Project No. 214036 October 2014 e 2 3 4 5 E COGDELS CREEK PUMP STATION #2 U.S. MARINE CORPS BASE CAMP LEJEUNE, NORTH CAROLINA � C Od 2M142 U PM '-�CATUN eepwe naan D.— nmmo pcw f.ROVF / / v �..c I[JI b A h GHFRRY POINT _ / t ��i � f - f✓r yn.,y-� �- i.aK Ivv rvo.aou '/o � a yK+.J a ,s / u; t' <. - .' ✓ � _o� .r yip vw.n�oacty .n 2`1 c( N'�I>Y�(�C {, / 4Y 6 wo.s I µ. �r�� �Li� Gf. . 1� � l � •.{ - v I�1 B a..zo �hh PROJECT ib SITE 0.—Peaxc aic � o.+.a m„' 1 y P t va a 4 t 'X o A °✓ �gI Da� e y 3 . °, r VICINITY MAP - PROJECT LOCATION 1.1 m u.¢ cur 1D xu izee`2wu� G-001� 1 2 3 4 5 �� �� 2 3 4 5 1 Rr D 1 - } + e D 11cA� IRE Po O 2A142XP,a1 555 , B 03 _ M't I.yq mnmF,wx B arl 'q''A _ k r° 19I9 - . .� � Z'� a a.(ian) - B^Oz(YIl) qr' - B m BBLV O_O_NZ_ALEZ BL_VD %. 00 5 0 G 100� 2 3 4 5 1 2 3 4 5 E A 0 KEY NOTES ? Q2 GENERAiDR _ Q3 .CURRY FENCE O AyNALi PAVEMENT O ALL DISTURBED AREAS OUTSIDE Of PRCPOSED IMPERVIOUS SURFACE SNALL BE AT MIN SOD MlN THE ExCEPT"M \ CF 1NE BOTTOM 09 NE RIRLIRATd BASN !, ;:..�..,$"l. _ : CA © DOUBLE SMNG GATE - �cn Q BOLAFO •. �^^��^. 3 `. CS p� �m OB iW OR 2 WA. SAMTARY SEMEN YANNCEE c TOP EIFV� 14.EO N ] 21.98 I M J]01,6] V 5.19 v WTI 569 / 1 C Q9 fiOS OF W DO SANITARY.M R C J 0.2S SLCCE y ' \^f�Y - fi - 1 E- B � OTI 2 2014 2 S9 FAA ® 10'NONE NOR ZMANAL EE C-IW �/4/ / I I I.' D FORCE MAIN Y1 C IOJ FOR U¢ m C-YI I 8 9]A u CONTNVATON AND PROFILE / r yU�Ji y I C'CArre n YARD HYDRANT ..q.q+ © -aER<WVEc.2 SADDLE AND VALVE ]� .. `� •s' � l� < �SOI - - 9 I 2 ".N ® $'PVC JACK AND B 115KRI 66 dtE / B� \ Lxl u 2 2 )){\ ® $"PVC WATER ME / ppgYT A x RP]BACHFLOW PFEVENipt m_u1 rr✓)1 2 1 9.A C v Ij ® METER VAULT 1`R^ \ CAS 6 ® 10'DP FCRCE MAIN \NI\ ® 2-PVC METER VAULT DRAIN FINE Y�yY p AJsy ® PUMP STATION(SEE SHEET C-300) ® E.SRIG SANTARY AMEN MANNIXf ✓�5 _ -a-a._+ _� f Pa -5sz FIELD VERIFY ALL _ _ _ I m— _ _ - - ° irs OF VTUTY coxNECTS PPIOR — _ GONZAI Bow \Vi - y5 Fp TO CCNSTRUCnax. _ - _ - _. - M�SSi`B1.iz ? f DO ® WETLAND EMUS gll _ ® CONNECTOR i0 Ex15i ASPHALT -,.�_ .� � 2 :n; <5 \ E d i 1' CE r U ELF PAIL-Y.]0 � 1$6B$A99 C-E�EM 2 3 4 5 I7 ` O 2 KEYNDIFi _- D QI SWALE AC101 _ I B$ D Q EWIPNENi llro. APE. 9 -50. 01 LIMITS CE DISTLRBANCE PSDI Q SILT FENCE P. _m _ _q _�� "IP _ �J QS CONSM.CPM ENTRANCE - I I 9 �/ a - ✓--I� ,� © EXCEPT BAG FM DEWATERNG OPERADONS 1W Ql CxI511NE TO TON BO5 5 i0 BECYCAVAT - P STABUZA i0 CI Ev E C AFTER TINGE DRAINAGE BA CIE THE CMRBVIIUG OPA unGE BASIN � _ Q IENPgiFRv SEDIMENT MAP SIDE AOPES-3:1 $ I $$$jj IXtA NACE APCA-0.$B ACRES DERm�$ N1DM�16 LENGM-3$ 'x.E1IO EL£v 13.0] L M / r( \\ 9 vnom_s - ' l� II II e 6 C rE*." 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THE KCP.W.WNEFS Il TH IS S PROJECT 6 CREEP.IPLP. .«ENDS APPROVAL BY NCGENR AND AS SPECIIIEG. N y� 0 A CUSSINGICx R SC,NSW. U @-REMOVE THE PINDIENDG TEA1pORAEr EROSION CONTROL.MECSUPEz VPO! [ II, THE TOTAL UNITS CA qCONTINUANCE•p[•R 1 1(vE APPROV .AL ♦ CENIR. p vL U r BW5/RAPs FFYVN yiLAND)10 WAY OCTAL CO511I.1.1 FIR I DAYS ANEP 13.ALL CISTIRSED AREAS to BE 1EGETADD ANN SEAT EENI, L NS /TRAPS MAY BE...AIE[D AT I. MWON., LR4D/1FSIP[AN w.< F NM THEM SLKALC MO NSCMR[D O1 LnL5R ,LNO ALLEN"SOAKS 11PoIKH A RRP b 12a21ZD u FELL APu WISE[T1f'CONJUNCTION UwS'EPOCH CLEAN n ALL TP45. M G606 1 2 3 4 5 -•_.__ Soil Map—Onslow County,North Carolina MAP LEGEND MAP INFORMATION Area of Interest(AOI) Spoil Area The soil surveys that comprise your AOI were mapped at 1:24,000. O Area of Interest(AOI) o Stony Spot Solis Warning:Soil Map may not be valid at this scale. O Very Stony spot Enlargement of maps beyond the scale of ma Soil Map Unit Polygons 4 9 P Y Aping can cause wet Spot misunderstanding of the detail of mapping and accuracy of soil line .v Soil Map Unit Lines placement.The maps do not show the small areas of contrasting p El Soil Map Unit Points Other soils that could have been shown at a more detailed scale. Special Line Features Special Point Features Please rely on the bar scale on each map sheet for map (o) Blowout water Features measurements. I Streams and Canals ® Borrow Pit Source of Map: Natural Resources Conservation Service Transportation Web Soil Survey URL: http://websoilsuwey.nres.usda.gov C Clay spot +44 Rails Coordinate System: Web Mercator(EPSG:3857) 0 Closed Depression Interstate Highways Maps from the Web Soil Survey are based on the Web Mercator N X Gravel Pit N US Routes projection,which preserves direction and shape but distorts distance and area.A projection that preserves area,such as the Gravelly Spot N Major Roads Albers equal-area conic projection,should be used if more accurate Q Landfill d Loral Roads calculations of distance or area are required. A Lava Flow Background This product is generated from the USDA-NRCS certified data as of the version date(s)listed below. Marsh or swamp ® Aerial Photography Soil Survey Area: Onslow County,North Carolina e&i Mine or Quarry Soil Area Data: Version 14,Dec 21,2013 ® Miscellaneous Water Soil map units are labeled(as space allows)for map scales 1:50,000 0 Perennial water or larger. y Rock Outcrop Date(s)aerial images were photographed: Mar 7,2010--Oct 17, + Saline Spot 2010 The orthophoto or other base map on which the soil lines were Sandy Spot compiled and digitized probably differs from the background .� Severely Eroded Spot imagery displayed on these maps.As a result,some minor shifting Sinkhole of map unit boundaries may be evident. Q Slide or Slip Sodic Spot OCT 2 12014 nr USDA Natural Resources Web Soil Survey 9/29/2014 )• Conservation Service National Cooperative Soil Survey Page 2 of 3 Soil Map—Onslow County, North Carolina Map Unit Legend Onslow County,North Carolina(NC133) Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI BaB - Baymeade fine sand,0 to 6 158.0 25.4% percent slopes BmB Baymeade-Urban land 171.2 27.6% complex,0 to 6 percent slopes KuB Kureb fine sand, 1 to 6 percent 37.3 6.0% slopes MaC Marvyn loamy fine sand,6 to 15 162.8 26.2% percent slopes Mk Muckalee loam 91.61 14.7% Totals for Area of Interest 621.0 100.0% OCT212M4 SI USDA Natural Resources Web Soil Survey 9/29/2014 2" Conservation Service National Cooperative Soil Survey Page 3 of 3 Basin 2 (Drainage Area "C") NC DENR Infiltration BMP Calculation and Requirements Step 1:Drainage Basin Impervious Cover Post-Development Conditions Total Drainage Area 91722.00 SgFt Basin 2(Drainage Area "C') Impervious Drainage Area 42299.00 SgFt Value from CAD Impervious Cover-(Impervious Drainage Impervious Cover 46.12 Area)/(Total Drainage Area)`100% Step 2: Determine the 1.5-inch runoff elevationand volume within the BMP. Runoff Coefficient, Rv 0.465 IN/IN Rv=0.05+0.009'(%Impervious) 1.5" Runoff Volume 5,331.9 CF 1 5"Runoff Volume=1.5 inch'Rv'1 foot112 inch*(Total Drainage Area) No By-pass or Post Filter-2.5 times volume req'd 13,329.8 CIF Min. Volume Required Min. Required Volume provided at Elevation 12.8 from stage storage Overflow Elevation 13.06 Total Volume at Overflow Elevation 15,775 CIF Volume Provided at Overflow Elevation See BMP Stage Storage Calculations Step 3: Verify that time required to drawdown the total BMP volume is within 5 days. Infiltration Rate (5.37"/hr) 2.68 IN use 112 of reported Bottom Area 4,309 FT from stage storage Q, Flowrate 0.27 CFS Q=(infiltration rate/12) 'bottom area 13600seconds Drawdown Time for total BMP volume 0.58 DAYS (Drawdown Time)=(Volume)/Q'(1 day186400 seconds 7 c- f7EUVE . 00T 2 12014 V. 10/3/2014 1OF1 Basin 2 (Drainage Area "C") BMP Stage-Storage Calculations Side Slope 3 incremental and cumulative storage or the BMP per contour interval. Stage/Storage Above Bottom Cumulative Contour Incremental Volume,S Contour Area(SF) Volume(CF) (CF) 10.5 4,309 0 0 -BMP Bottom Elev 11.0 4,795 2,276 2,276 12.0 6,216 5,506 7,782 12.773 8,149 5,552 13,334 Treatment Volume 13329.75 Req'd 13.06 8,867 7,994 15,775 -Overflow Elev 13.5 10,810 4,329 20,104 8.5 SHW Elev 2.0 BMP bottom to SHW OK IVE � OCT 2 t 2014 1 Br:__ Basin 2 (Drainage Area "C") NC DENR Infiltration BMP Calculation and Requirements Step 1:Drainage Basin Impervious Cover Post-Development Conditions Total Drainage Area 91722.00 SgFt Basin 2(Drainage Area "C) Impervious Drainage Area 42299.00 SgFt Value from CAD Impervious Cover 46.12 Impervious Cover-(Impervious Drainage. Area)/(Total Drainage Area)"100% Step 2: Determine the 1.5-inch runoff elevationand volume within the BMP. Runoff Coefficient, Rv 0.465 WIN Rv=0.05+0.009'(% Impervious) 1.5" Runoff Volume 5,331.9 CF 1.5"Runoff Volume=1.5inch`Rv'1fooN12 inch*(Total Drainage Area) No By-pass or Post Filter-2.5 limes volume req'd 13,329.8 CF Min. Volume Required Min. Required Volume provided at Elevation 12.8 from stage storage Overflow Elevation 13.06 Total Volume at Overflow Elevation 15,775 CIF Volume Provided at Overflow Elevation See BMP Stage Storage Calculations Step 3: Verify that time required to drawdown the total BMP volume is within 5 days. Infiltration Rate (5.37"/hr) 2.68 IN use 112 of reported Bottom Area 4,309 FT from stage storage Q, Flowrate 0.27 CFS Q=(infiltration rate112) `bottom area 13600seconds Drawdown Time for total BMP volume 0.58 DAYS (Drawdown Time)=(Vo1ume)1Q'(1 day186400 seconds 10/3/2014 1OF1 Basin 2 (Drainage Area "C") BMP Stage-Storage Calculations Side Slope 3 incremental and cumulative storage of the BMP per contour interval. Stage/Storage Above Bottom Cumulative Contour Incremental Volume,S Contour Area SF Volume(CF) (CF) 10.5 4,309 0 0 -BMP Bottom Elev 11.0 4,795 2,276 2,276 12.0 6,216 5,506 7,782 12.773 8,149 5,552 13,334 -Treatment Volume 13329.75 Req'd 13.06 8,867 7,994 15,775 -Overflow Elev 13.5 10,810 4,329 20,104 8.5 SHW Elev 2.0 BMP bottom to SHW OK 'Basin #C I Area (SF) I M Basin #C from Permit (SW8 110702) 35948 _I 0.825!Ac New Basin Area Draining to BMPP 55774 I 1.280jAc Proposed _ Z Totall 91722 2.1061Ac Wit SCS CN Wit C Cover Description I_ CN C lImpervious from Permit (SW8 110702) 35,948 0.825 Ac 98 80.875 0.9 0.743 0 �i Additional exist Asphalt 1,500 0.034 Ac 98 3.375 0.9 0.031 _ Asphalt j_ 3,630 0.083 jAc 98 8.167 0.9 0.075 Concrete Pavement 126 0.003 Ac 98 0.283 0.9 0.003 % ! Building 1 11095 0.025 Ac 98 2.463 0.9 0.023 �= Total Impervious 42,299 0.971 Ac / - . " _ / z Grass/Landscape -�( — �— 49,423 1.135 jAc 351 39.71 0.101 0.11 BASIN "C" _ - - -%! u ,,; ADDED AREA 11 z Total Impervious = 0.971 Ac CN= _ 64.05 C- _ 0.47 / 1.28 A'Ci _j w N % Impervious = 46.12% _� O EXIT-INFILTRATION , y- _1, iiLo \ COGDELS:C'RE-EK% BA ;;, ; o ,'o i U) :2 _ o-- _--Y L _- �1�Jc Y w W CD / i ZAL V " r ,./ LAJ / - ! , m J I _ / " FROM-PERMITLLJ N / '/ =9VF 1 / _ / � /� !ice �! /� � / � '/ — %./ %_ �/ /" ! BY: of W r �. 7 BAY . ',( ; ""• _j;� R 1 N ' •<•+' �'< + < , �l/ill ` �� �� \ ) � f w _ ) w .JAB IJ 1tj \l Sy/1'y��,r;,�Y3"Vra`�•e�.• ,ef � � ��� V t I r�C��vE OCT 2 1 2014 N; n � `rye f 0 ` f� COGDELS CREEK i} STREAM INDEX No.19-23 10" FORCE MAIN COGDELS CREEK ' PUMP STATION #2 LAT: 34 39' 36" LONG: 77 19' 48" CONNECTION POINT: GBO PERMIT #W00035540 as f • • '41 McHUG � a H BOULEVARD w H Legend OVA' % �jk, Roads �OjCI GO — Unpaved Roads O �k9I Railroads - Buildings and Structures Data Sources: Data Layers provided by MCIEAST-MCB CAMLEJ GIS Office. Map adapted for Topographic USGS-Camp Lejuene. 1,000 500 0 1,000 Feet SCALE PROJECT TinE CATLIN COGDELS CREEK FIGURE � PUMP STATION#2 SITE VICINITY MAP Engineers and Scientists MARINE CORPS BASE P.O.Box 10279 CAMP LEJEUNE,NC W imington,NC 2840"279 (910)452.5861 6 N0. WTE SCROi O "N87 CHEONED 07 NC EnBlnaerin9 License No.:C.0585 214036 SEPT 2014 AS SHOWN THW GMJ 3 Soil Map—Onslow County, North Carolina R R 2887t10 2 900 2%100 286300 286500 286T10 286900 2B]'_(X. 28T M8 IBT100 28N00 OPP Mlk MaC Ai r ►�^ ark. �� , i —art L .-r• 4 ell. fir( "^`1+n've+•.. ,' 1 , 1 ; �.L .s` \I�. x^#lTM 285200 285900 MOD 2Bfi30D 2B6A10 2B6]80 286900 2821M 28X 282500 28T W 28F n) 1 1 1 k MapSde:1:11,100(prk'1a0onAM1f!>mpe(11"x 8.5')sheer. m O N 0 150 300 600 900 A 00 �I 0 500 1000 2000 30Fe Map projerlion:Web Me xator Care,mardnsles:WGSiA Edge ba:UIM ZO 18N WG584 USDA Natural Resources Web Soil Survey 9/29/2014 ldm Conservation Service National Cooperative Soil Survey Page 1 of 3