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HomeMy WebLinkAboutSW8080507_Historical File_200806160� NN A , Michael F. Easley, Governor +1 k William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Coleen H. Sullins Director ''' •- _ " Division of Water Quality June 16, 2008 Brian Dilsheimer, Manager Dilsheimer Communities of North Carolina, LLC. Manager DCNC North Carolina I, LLC 2528 Independence Boulevard Suite 104 Wilmington, NC 28412 Subject: Stormwater Permit No. SW8 080507 The Villages at Turtle Creek Phases 6 & 7 High Density Subdivision Project Pender County Dear Mr. Dilsheimer: The Wilmington Regional Office received a complete Stormwater Management Permit Application for The Villages at Turtle Creek Phases 6 & 7 on June 13, 2008. Staff review of the plans and specifications has determined that the project, as proposed, will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H.1000. We are forwarding Permit No. uated iune 16', 2008, for the construction of the project, project name. This permit shall be effective from the date of issuance until June 16, 2018, and shall be subject to the conditions and limitations as specified therein. Please pay special attention to the Operation and Maintenance requirements in this permit. Failure to establish an adequate system for operation and maintenance of the stormwater management system will result in future compliance problems. If any parts, requirements, or limitations contained in this permit are unacceptable, you have the right to request an adjudicatory hearing upon written request within sixty (60) days following receipt of this permit. This request must be in the form of a written petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed with the Office of Administrative Hearings, P.O. Drawer 27447, Raleigh, NC 27611-7447. Unless such demands are made this permit shall be final and binding. If you have any questions, or need additional information concerning this matter, please contact Lin fe Lewis, or me at (910) 796-7215. S �3a&141-- Regional Supervisor Surface Water Protection Section ENB/arl: S:IWQSISTORMWATERIPERMIT1080507.jun08 cc: Eric Seidel, P.E., Cavanaugh & Associates Pender County Planning Department Division of Coastal Management Linda Lewis Wilmington Regional Office None Central Files �Carolinatura!!y North Carolina Division of Water Quality 127 Cardinal Drive Extension Wilmington, NC 28405 Phone (910) 796-7215 Customer Service Wilmington Regional Office Internet: www.newatnualiiy.org Fax (910) 350-2004 1-877-623-6748 An Equal Opportunity/Affirmative Action Employer— 50% Recycledl10% Post Consumer Paper State Stormwater Management Systems Permit No. SW8 080507 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY STATE STORMWATER MANAGEMENT PERMIT HIGH DENSITY DEVELOPMENT In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other applicable Laws, Rules, and Regulations PERMISSION IS HEREBY GRANTED TO Brian Dilsheimer, Dilsheimer Communities of North Carolina, LLC & DCNC North Carolina 1, LLC The Villages at Turtle Creek Phases 6 & 7 NC 210 and Lodge Hall Road, Sun` City, Pender County FOR THE construction, operation and maintenance of nine (9) infiltration basins in compliance with the provisions of 15A NCAC 2H .1000 (hereafter referred to as the "stormwater rules') and the approved stormwater management plans and specifications and other supporting data as attached and on file with and approved by the Division of Water Quality and considered a part of this permit. This permit shall be effective from the date of issuance until June 16, 2018 and shall be subject to the following specified conditions and limitations: I. DESIGN STANDARDS 1. This permit is effective only with respect to the nature and volume of stormwater described in the application and other supporting data. 2. This stormwater system has been approved for the management of stormwater runoff as described in Sections 1.7 and 1.8 on page 3 of this permit. 3. The subdivision is permitted for 183 units, each allowed a maximum built -upon area as described in Attachment A to this permit. 4. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. 5. Each basin must be operated with a 50' vegetated filter. 6. All stormwater collection and treatment systems must be located in either dedicated common areas or recorded easements. The final plats for the project will be recorded showing all such required easements, in accordance with the approved plans. Page 2 of 10 State Stormwater Management Systems Permit No. SW8 080507 7. Q The following design elements have been approved for infiltration basins 6A, 6B, 6C and 6D, and must be provided in the system at all times. FC L7 C. d. e. f. 9• h. k. 0 Drainage Area, acres: Onsite, ft2: Offsite, ft2: Total Impervious Surfaces, ft2: Buildings, ft2: Roads/Parking, ft2: Sidewalk ft2: Offsite, ft�: Basin Depth, feet: Design Storm: SHWT, fmsl: Bottom Elevation, FMSL: Permitted Surface Area @Bottom, ft2: Permitted Storage Volume, ft3: Storage/Bypass Elevation, FMSL: Type of Soil: Expected Infiltration Rate, in/hr: Stream Index Number: Classification of Water Body: 6A 61B 6C 6D 2.37 103,199 0 58,367 0 51,546 6,821 0 1.75 1.5 43.0 45.0 3,632 8,243 46.75 Onslow 0.6 4.17 181,644 0 113,977 45,123 58,618 10,236 0 2.9 1.5 39.8 42.0 3,693 14,537 44.9 Onslow 0.6 18-87-8 11SAoe 2.65 115,231 0 65,310 41,505 19,130 4,675 0 1.75 1.5 39.2 42.0 4,255 8,801 43.75 Kureb 7.92 2.20 95,954 0 59,545 36,326 18,919 4,300 0 1.1 1.5 35.8 37.9 6,360 7,993 39.0 Kureb 0.6 The following design elements have been approved for infiltration basins 7A, 7B, 7C, 7D, and 7E and must be provided in the system at all times. 7A 713 7C 71) 7E b. Drainage Area, acres: 1.79 7.02 2.86 2.39 1.34 Onsite, ft2: 78,115 305,617 124,600 104,231 58,484 Offsite, ft2: 0 0 0 0 0 b. Total Impervious Surfaces, ft2: 42,808 170,036 72,387 58,862 32,387 Buildings, ft2: 23,342 70,026 34,765 26,391 20,204 Roads/Parking, ft2: 16,405 82,398 32,295 27,185 9,475 Sidewalk, ft2: 3,061 17,612 5,327 5,286 2,706 Offsite, ft2: 0 0 0 0 0 C. Basin Depth, feet: 1.75 1.5 1.5 1.5 1.6 d. Design Storm: 1.5 1.5 1.5 1.5 1.5 e. SHWT, fmsl: 37.3 38.5 49.0 49.0 45.5 f. Bottom Elevation, FMSL: 39.5 41.0 51.0 51.0 49.0 g. Permitted Surface Area @Bottom, ft2: 3,100 15,172 5,255 4,343 2,194 h. Permitted Storage Volume, ft3: 6,192 24,700 8,939 7,434 4,281 I. Storage/Bypass Elevation, FMSL: 41.25 42.5 52.5 52.5 50.6 j. Type of Soil: Kureb Mand. Mand. Mand. Leon k. Expected Infiltration Rate, in/hr: 0.6 6.4 6.5 6.5 5.71 1. Time to Draw Down. hours: 34 3 3 3 4 m. Receiving Stream / River Basin: Becky's Creek / CPF24 n. Stream Index Number: 18-87-8 o. Classification of Water Body: "SA" Page 3 of 10 State Stormwater Management Systems Permit No. SW8 080507 II. SCHEDULE OF COMPLIANCE 1. No homeowner/lot owner/developer shall fill in, alter, or pipe any drainage feature (such as swales) shown on the approved plans as part of the stormwater management system without submitting a revision to the permit and receiving approval from the Division. 2. The permittee is responsible for verifying that the proposed built -upon area for the entire lot, including driveways and sidewalks, does not exceed the allowable built -upon area. Once the lot transfer is complete, the built -upon area may not be revised without approval from the Division of Water Quality, and responsibility for meeting the built -upon area limit is transferred to the individual property owner. 3. 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. 4. 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 the approved plans, regardless of size. b. Project name change. C. Transfer of ownership. d. Redesign or addition to the approved amount of built -upon area. e. Further subdivision, acquisition, or sale of all or part of the project area. The project area is defined as all property owned by the permittee, for which Sedimentation and Erosion Control Plan approval or a CAMA Major permit was sought. f. Filling in, altering, or piping of any vegetative conveyance shown on the approved plan. 5. The Director may determine that other revisions to the project should require a modification to the permit. 6. 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. 7. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. Infiltration systems should not be used as erosion control devices, due to the potential clogging. If the stormwater system was used as an Erosion Control device, it must be restored to design condition prior to operation as a stormwater treatment device, and prior to occupancy of the facility. 8. 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. 9. Permanent seeding requirements for the stormwater control must follow the guidelines established in the North Carolina Erosion and Sediment Control Planning and Design Manual. Page 4 of 10 State Stormwater Management Systems Permit No. SW8 080507 10. Prior to the sale of any lot, the following deed restrictions must be recorded: a. The following covenants are intended to ensure ongoing compliance with State Stormwater Management Permit Number SW8 080507, as issued by the Division of Water Quality under NCAC 2H.1000. b. The State of North Carolina is made a beneficiary of these covenants to the extent necessary to maintain compliance with the Stormwater Management Permit. C. These covenants are to run with the land and be binding on all persons and parties claiming under them. d. The covenants pertaining to stormwater may not be altered or rescinded without the express written consent of the State of North Carolina, Division of Water Quality. e. Alteration of the drainage as shown on the approved plans may not take place without the concurrence of the Division of Water Quality. f. The maximum built -upon area per lot is as listed on Attachment A to this permit. The allotted amount includes any built -upon area constructed within the lot property boundaries, and that portion of the right-of-way between the front lot line and the edge of the pavement. Built upon area includes, but is not limited to, structures, asphalt, concrete, gravel, brick, stone, slate, coquina and parking areas, but does not include raised, open wood decking, or the water surface of swimming pools. g. Lots within CAMA's Area of Environmental Concern may be subject to a reduction in their allowable built -upon area due to CAMA regulations. h. All runoff on the lot must drain into the permitted system. This may be accomplished through providing roof drain gutters which drain to the street, grading the lot to drain toward the street, or grading perimeter swales and directing them into the pond or street. Lots that will naturally drain into the system are not required to provide these measures. i. Built -upon area in excess of the permitted amount will require a permit modification. 11. Prior transfer of the permit, the stormwater facilities will be inspected by DWQ personnel. The facility must be in compliance with all permit conditions. Any items not in compliance must be repaired or replaced to design condition prior to the transfer. Records of maintenance activities performed to date will be required. 12. The permittee shall at all times provide the operation and maintenance necessary to assure that all components of the permitted stormwater system function at optimum efficiency. The approved Operation and Maintenance Plan must be followed in its entirety and maintenance must occur at the scheduled intervals including, but not limited to: a. Semiannual scheduled inspections (every 6 months). b. Sediment removal. C. Mowing and revegetation of side slopes. d. Immediate repair of eroded areas. e. Maintenance of side slopes in accordance with approved plans and specifications. f. Debris removal and unclogging of structures, orifice, catch basins and piping. g. Access to all components of the system must be available at all times. 13. Records of maintenance activities must be kept and made available upon request to authorized personnel of DWQ. The records will indicate the date, activity, name of person performing the work and what actions were taken. Page 5 of 10 State Stormwater Management Systems Permit No. SW8 080507 14. A copy of the recorded deed restrictions must be submitted to the Division within 30 days of the date of recording the plat, and prior to selling lots. The recorded copy must contain all of the statements above, the signature of the Permittee, the deed book number and page, and the stamp/signature of the Register of Deeds. 15. This permit shall become voidable unless the facilities are constructed in accordance with the conditions of this permit, the approved plans and specifications, and other supporting data. 16. Built upon area includes, but is not limited to, structures, asphalt, concrete, gravel, brick, stone, slate, coquina and parking areas, but does not include raised, open wood decking, or the water surface of swimming pools. III. GENERAL CONDITIONS 1. This permit is not transferable to any person or entity except after notice to and approval by the Director. In the event there is either a desire for the facilities to change ownership, or there is a name change of the Permittee, a "Name/Ownership Change Form" must be submitted to the Division of Water Quality signed by both parties involved, accompanied by the appropriate documentation as listed on page 2 of the form. The project must be in good standing with DWQ. The approval of this request will be considered on its merits and may or may not be approved. 2. The permittee is responsible for compliance with all of the terms and conditions of this permit until such time as the Director approves the transfer request. 3. Failure to abide by the conditions and limitations contained in this permit may subject the Permittee to enforcement action by the Division of Water Quality, in accordance with North Carolina General Statute 143-215.6A to 143-215.6C. 4. The issuance of this permit does not preclude the Permittee from complying with any and all statutes, rules, regulations, or ordinances, which may be imposed by other government agencies (local, state, and federal), which have jurisdiction. 5. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the Permittee shall take immediate corrective action, including those as may be required by this Division, such as the construction of additional or replacement stormwater management systems. 6. The permit may be modified, revoked and reissued or terminated for cause. The filing of a request for a permit modification, revocation and reissuance or termination does not stay any permit condition. 7. Permittee grants permission to staff of the DWQ to access the property for the purposes of inspecting the stormwater facilities during normal business hours. 8. The permittee shall notify the Division of any name, ownership or mailing address changes at least 30 days prior to making such changes. 9. A copy of the approved plans and specifications shall be maintained on file by the Permittee for a minimum of ten years from the date of the completion of construction. Page 6 of 10 State Stormwater Management Systems Permit No. SW8 080507 Permit issued this the 16th day of June 2008. NORTH OLINA ENVIRO ENTAL MANAGEMENT COMMISSION ,(— . ote_ To r Coleen . Sullins, Director Division of Water Quality By Authority of the Environmental Management Commission Page 7 of 10 State Stormwater Management Systems Permit No. SW8 080507 The Villages at Turtle Creek Phases 6 & 7 Stormwater Permit No. SW8 080507 Pender Countv Designer's Certification Page 1 of 2 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 are a part of this Certification. Noted deviations from approved plans and specifications: Signature Registration Number Date SEAL Page 8 of 10 State Stormwater Management Systems Permit No. SW8 080507 Certification Requirements: Page 2 of 2 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. 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. Required drawdown devices are correctly sized per the approved plans. 13. All required design depths are provided. 14. All required parts of the system are provided, such as a vegetated shelf, a forebay, and the vegetated filter. 15. The required dimensions of the system are provided, per the approved plan. cc: NCDENR-DWQ Regional Office Pender County Planning Department Page 9 of 10 State Stormwater Management Systems Permit No. SW8 080507 Attachment A BUA per unit for The Villages at Turtle Creek Phases 6 & 7 Lot # Max. BUA s Lot # Max. BUA s Lot # Max. BUA s Lot # Max. BUA s 221 1950 267 1850 313 1600 359 1850 222 1700 268 1850 314 1600 360 1850 223 1950 269 1600 315 1850 361 1600 224 1950 270 1600 316 _; _ _ 1850 _ 362 1600 225 1700 271 1600 317 1600 363 1600 226 1700 272 1600 318 1600 364 1600 227 1700 273 1850 319 1600 365 1850 228 1950 274 1850 320 1600 366 1850 229 1950 275 1600 321 1850 367 1600 230 1700 276 1600 322 1850 368 1600 231 1700 277 1600 323 1600 369 1600 232 1700 278 1600 324 1600 370 1850 233 1700 279 1850 325 1600 371 1850 234 1950 280 1850 326 1850 372 1600 235 1950 281 1 1600 327 1850 373 1850 236 1700 282 1600 328 1600 374 1850 237 1700 283 1850 329 1600 375 1600 238 17.00 284 1850 330 1850 376 1600 239 1950 285 1600 331 1850 377 1850 240 1850 286 1600 332 1600 378 1850 241 1600 287 1 1600 333 1600 379 1600 242 1600 288 1850 334 1850 380 1600 243 1600 289 1850 335 1850 381 1600 244 1600 290 1600 336 1600 382 1850 245 1850 291 1600 337 1850 383 1850 246 1850 292 1850 338 1850 384 1600 247 1 1600 293 1 1850 339 1600 384 1600 248 1600 294 1600 340 1600 386 1600 249 1600 295 1850 341 1600 387 1600 250 1850 296 1850 342 1 1600 388 1850 251 1850 297 1600 343 1850 389 1850 252 1 1600 298 1 1600 344 1850 390 1600 253 1600 299 1850 345 1600 391 1600 254 1600 300 1850 346 1600 392 1600 255 1850 301 1600 347 1600 393 1600 256 1850 302 1600 348 1600 394 1850 257 1600 303 1850 349 1850 395 1850 258 1600 304 1850 350 1850 396 1600 259 1850 305 1600 351 1600 397 1600 260 1850 306 1850 352 1600 398 1600 261 1600 307 1850 353 1600 399 1600 262 1600 308 1600 354 i 1850 400 1850 263 1850 309 1600 355 1850 401 1850 264 1850 310 1600 356 1600 402 1600 265 1600 311 1850 357 1600 1 403 1850 266 1600 312 1850 358 1600 Page 10 of 10 DWQ USE ONLY Date Received Fee Paid Permit Number 5-2Q-000b0 $4500 Slti 8 o 0 5112, ZW 8 Cony) State of North Carolina Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION FORM This form may be photocopied for use as an original I. GENERAL INFORMATION 1. Applicants name (specify the name of the corporation, individual, etc. who owns the project): of DCNC North Carolina I, LLC Di 1 SheI m a- a*%m V n i ke S of N)Oh Cpajrn 2 2. Print Owner/Signing Official's naze avd title 28r' UJ--V2e1M4 c'1211-fig, Dilsheimer, t / Mem-h OfE 3. Mailing Address for person listed in item 2 above: le for facility and compliance): c 2528 Independence Blvd. Suite #104 City:Wihr ington State:NC Zip:28412 Phone: (910 ) 790-9880 Fax: Email:ibd@diLsheimer.com 4. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): The Villages at Turtle Creek Ph 2 Se S & 4 5. Location of Project (street address): NC 210 and Lodge Hall Road City: Surf City County: Pender Zip: 28445 6. Directions to project (from nearest major intersection): From the intersection of US 17 and NC 210, travel East on NC 210 two (2) miles. Turn left after Lodge Hall Road. 7. Latitude:34° 27 0.45" N Longitude:77° 32' 55.24" W of project 8. Contact person who can answer questions about the project: Name: T om Miner Telephone Number: (610 617-9703 Erna it:TMiner@dilsheimer.com II. PERMIT INFORMATION: 1. Specify whether project is (check one): ✓ New ❑Renewal OModification Fonn SWU-101 Version 03.27.08 Page 1 of 4 512v-v3 2. If this application is being submitted as the result of a renewal or modification to an existing permit, list the existing permit number SVA3�96A6A8- and its issue date (if known) ghE:;�6 3. Specify the type of project (check one): ❑Low Density ®High Density ❑Redevelop ❑General Permit ❑Universal SMP []Other 4. 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): ❑LAMA Major ®Sedimentation/Erosion Control Z404/401 Permit ❑NPDES Stormwater III. PROJECT INFORMATION 1. In the space provided below, summarize how stormwater will be treated. Also attach a detailed narrative (one to two pages) describing stormwater management for the project. Stormwater runnoff from the impervious and non -impervious areas will sheet flow to valley curb for eventual discharge to nine (9) proposed infiltration ponds by way of swales curb inlets yard inlets and piped stormwater conveyance system. 2. Stormwater runoff from this project drains to the Cape Fear River basin. 3. Total Property Area: 65.44 acres 4. Total Wetlands Area: 24.05 acres 5. 100' Wide Strip of Wetland Area: 0 acres (not applicable if no wetlands exist on site) 6. Total Project Area**: 39.81 acres 7. Project Built Upon Area: 38.38 % 8. How many drainage areas does the project have? 9 9. Complete the following information for each drainage area. If there are more than two drainage areas in the project, attach an additional sheet with the information for each area provided in the same format as below. For high density projects, complete the table with one drainage area for each engineered stormwater device. Basin Information. Drainage Area 1 &A Drainage Area 2 ` Receiving Stream Name Becky's Creek Becky's Creek Stream Class & Index No. SA SA Total Drainage Area (sf) 103,199 181,644 On -site Drainage Area (sf) 103,199 181,644 Off -site Drainage Area (sf) 0 0 Existing Impervious* Area (sf) 0 0 Proposed Impervious*Area (sf) 58,367 113,977 % Impervious* Area (total) 56.6 62.7 Impervious* Surface Area Drainage Areal Drainage Area 2 On -site Buildings (sf) 0 45,123 On -site Streets (sf) 51,546 .48,116 On -site Parking (sf) 0 10,502 On -site Sidewalks (sf) 6,821 10,236 Other on -site (sf) 0 0 Off -site (sf) 0 0 Total (so: 58,367 113,977 * Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc. **Total project area shall be calculated based on the current policy regarding inclusion of wetlands in the built upon area percentage calculation. This is the area used to calculate percent project built upon area (B UA). Form SWU-101 Version 03.27.08 Page 2 of 4 10. How was the off -site impervious area listed above derived? Computer Generated IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS One of the following deed restrictions and protective covenants are required to be recorded for all subdivisions, outparcels and future development prior to the sale of any lot. If lot sizes vary significantly, a table listing each lot number, size and the allowable built -upon area for each lot must be provided as an attachment Forms can be downloaded from http://h2o.enr.state.nc.us/su/bmp forms.htm - deed restrictions. Form DRPC-1 High Density Commercial Subdivisions Form DRPC-2 High Density Developments with Outparcels Form DRPC-3 High Density Residential Subdivisions Form DRPC-4 Low Density Commercial Subdivisions Form DRPC-5 Low Density Residential Subdivisions Form DRPC-6 Low Density Residential Subdivisions with Curb Outlets By your signature below, you certify that the recorded deed restrictions and protective covenants for this project shall include all the applicable items required in the above form, 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 State, and that they will be recorded prior to the sale of any lot. V. SUPPLEMENT FORMS The applicable state stormwater management permit supplement form(s) listed below must be submitted for each BMP specified for this project. Contact the Stormwater and General Permits Unit at (919) 733-5083 for the status and availability of these forms. Forms can be downloaded from h=://h2o.enr.state.nc.us/su/bml2 forms.htm. Form SW401-Low Density Form SW401-Curb Outlet System Form SW401-Off-Site System Form SW401-Wet Detention Basin Form SW401-Infiltration Basin Form SW401-Infiltration Trench Form SW401-Bioretention Cell Form SW401-Level Spreader Form SW401-Wetland Form SW401-Grassed Swale Form SW401-Sand Filter Form SW401-Permeable Pavement Low Density Supplement Curb Outlet System Supplement Off -Site System Supplement Wet Detention Basin Supplement hnfiltration Basin Supplement Underground hnfiltration Trench Supplement Bioretention Cell Supplement Level Spreader/Filter Strip/Restored Riparian Buffer Supplement Constructed Wetland Supplement Grassed Swale Supplement Sand Filter Supplement Permeable Pavement Supplement Form SWTJ-101 Version 03.27.08 Page 3 of 4 SIZO-vg OFTICE USE ONLY Date Received Fee Paid Permit Number State of North Carolina Department of Environment and Natural Resources Division of Water Quality Additional Sheet Basin Information Receiving Stream Name Drainage Area 3 Becky's Creek Drainage Area 4 Becky's Creek Receiving Stream Class SA SA Total Drainage Area (sf) 115,231 95,954 On -site Drainage Area (sf) 115,231 95,954 Off -site Drainage Area (sf) 0 0 Existing Impervious* Area (sf) 0 0 Proposed Impervious *Area (sf) 65,310 59,545 % Impervious * Area (total) 56.7 62.1 Basin Information Receiving Stream Name Drainage Area 5 ? A. Becky's Creek A Drainage Area 6 Becky's Creek Receiving Stream Class SA SA Total Drainage Area (sf) 78,115 305,617 On -site Drainage Area (sf) 78,115 305,617 Off -site Drainage Area (sf) 0 0 Existing Impervious* Area (sf) 0 0 Proposed Impervious *Area (sf) 42,808 170,036 % Impervious * Area (total) 54.8 55.6 Form SWTJ-101 Version_ 3.99 Page 1 of 3 s ,.0c.) —62q Basin Information Receiving Stream Name Drainage Area 7 Becky's Creek Drainage Area 8 Becky's Creek Receiving Stream Class SA SA Total Drainage Area (sf) 124,600 104,231 On -site Drainage Area (sf) 124,600 104,231 Off -site Drainage Area (so 0 0 Existing Impervious* Area (sf) 0 0 Proposed Impervious *Area (sf) 72,387 58,862 % Impervious * Area (total) 58.1 56.5 Basin Information Receiving Stream Name Drainage Area 9. Becky's Creek Receiving Stream Class SA Total Drainage Area (sf) 58,484 On -site Drainage Area (sf) 58,484 Off -site Drainage Area (sf) 0 Existing Impervious* Area (sf) 0 Proposed Impervious *Area (sf) 32,387 % Impervious * Area (total) 55.4 Form SAAITJ-101 Version 3.99 Page 2 of 3 S-ZU-a�e Impervious * Surface Area On -site Buildings (sf) Drainage Area 3 �� 1 41,505 Drainage Area •I 36,326 On -site Streets (sf) 1,701 18,919 On -site Parking (sf) 17,429 0 On -site Sidewalks (sf) 4,675 4,300 Other on -site (sf) 0 0 Off -site (sf) 0 0 Total: 65,310 Total: 59,545 Impervious * Surface Area Drainage Area 5 Drainage Area 6 On -site Buildings (sf) 23,342 70,026 On -site Streets (sf) 10,491 60,904 On -site Parking (sf) 5,914 21,494 On -site Sidewalks (so 3,061 17,612 Other on -site (sf) 0 0 Off -site (sf) 0 0 Total 42,808 Total: 170,036 Impervious * Surface Area Drainage Area 7 Drainage Area > "' On -site Buildings (sf) 34,765 26,391 On -site Streets (sf) 16,716 16,418 On -site Parking (sf) 15,579 10,767 On -site Sidewalks (so 5,327 5,286 Other on -site (so 0 0 Off -site (sf) 0 0 Total: 72,387 Tom: 58,862 Impervious * Surface Area Drainage Area 9 On -site Buildings (sf) 20,204 On -site Streets (sf) 9,475 On -site Parking (sf) 0 On -site Sidewalks (sf) 2,708 Other on -site (sf) 0 Off -site (sf) 0 Total: 32,387 * Impervious area is defined us the built upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc. ** Pool Dock, Tennis Courts Form SWU-101 Version 3.99 Page 3 of 3 10. How was the off -site impervious area listed above derived? Computer Generated IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS One of the following deed restrictions and protective covenants are required to be recorded for all Subdivisions, outparcels and future development prior to the sale of any lot. If lot sizes vary significantly, a table listing each lot number, size and the allowable built -upon area for each lot must be provided as an attachment. Forms can be downloaded from hU://h2o.enr.state.nc.us/su/b= forms htm - deed restrictions. Form DRPC-1 High Density Commercial Subdivisions Form DRPC-2 High Density Developments with Outparcels Form DRPC-3 High Density Residential Subdivisions Form DRPC-4 Low Density Commercial Subdivisions Form DRPC-5 Low Density Residential Subdivisions Form DRPC-6 Low Density Residential Subdivisions with Curb Outlets By your signature below, you certify that the recorded deed restrictions and protective covenants for this project shall include all the applicable items required in the above form, 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 State, and that they will be recorded prior to the sale of any lot. V. SUPPLEMENT FORMS The applicable state stormwater management permit supplement form(s) listed below must be submitted for each BMP specified for this project. Contact the Stormwater and General Permits Unit at (919) 733-5083 for the status and availability of these forms. Forms can be downloaded from htip://h2o.enr.state.nc.us/su/bmp forms.htm. Form SW401-Low Density Form SW401-Curb Outlet System Form SW401-Off-Site System Form SW401-Wet Detention Basin Form SW401-Infiltration Basin Form SW401-Infiltration Trench Form SW401-Bioretention Cell Form SW401-Level Spreader Form SW401-Wetland Form SW401-Grassed Swale Form SW401-Sand Filter Form SW401-Permeable Pavement Low Density Supplement Curb Outlet System Supplement Off -Site System Supplement Wet Detention Basin Supplement Infiltration Basin Supplement Underground Infiltration Trench Supplement Bioretention Cell Supplement Level Spreader/Filter Strip/Restored Riparian Buffer Supplement Constructed Wetland Supplement Grassed Swale Supplement Sand Filter Supplement Permeable Pavement Supplement Form SWU-101 Version 03.27.08 Page 3 of 4 VI. SUBMITTAL REQUIREMENTS Only complete application packages will be accepted and reviewed by the Division of Water Quality (DWQ). A complete package includes all of the items listed below. The complete application package should be submitted to the appropriate DWQ Office. (Appropriate office may be found by locating project on the interactive online map at hho://h2o.enr.state.nc.us/su/insi maps.htm) 1. Please indicate that you have provided the following required information by initialing in the space provided next to each item. Initials • Original and one copy of the Stormwater Management Permit Application Form EA S • Original and one copy of the Deed Restrictions & Protective Covenants Form (if required as per Part IV above) • Original of the applicable Supplement Form(s) and O&M agreement(s) for each BUT , IS • Permit application processing fee of $505 (Express: $4,000 for HD, $2,000 for LD) payable to NCDENR 44S • Calculations & detailed narrative description of stormwater treatment/management " 4 S • Copy of any applicable soils report 44 • Two copies of plans and specifications (sealed, signed & dated), including: - Development/Project name - Engineer and firm -Legend - North arrow - Scale - Revision number & date - Mean high water line - Dimensioned property/project boundary - Location map with named streets or NCSR numbers - Original contours, proposed contours, spot elevations, finished floor elevations - Details of roads, drainage features, collection systems, and stormwater control measures - Wetlands delineated, or a note on plans that none exist - Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations - Drainage areas delineated - Vegetated buffers (where required) VII. AGENT AUTHORIZATION If you wish to designate authority to another individual or firm so that they may provide information on your behalf, please complete this section. (ex. designing engineer or firm) Designated agent (individual or firm): Cavanaugh & Associates, P.A. Mailing Address:130 North Front Street, Suite 202 City: Wilmin� on State: NC Zip: 28401 Phone: (910 ) 392-4462 Fax: (910 ) 392-4612 Email:eric.seidel®cavanaughsolutions.com VIII. APPLICANT'S CERTIFICATION ±�l I,. (print or type name ofperson listed in General Information, item 2) T.B. Dilsheimer, � 4 1�'JJ t ( 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 wwilill�,'bexQcgr�ed, d that the proposed project complies with the requirements of 15A NTCAC 9u l nnn_'f)CNC -ih (GUU 4u— Date: Form SWU-f01 Version 03.27.08 ' Page(4 of 4 P,D1 is TRANSACTION REPORT �c JUN-17-2008 TUE 01:58 PM �c lc FOR: NCDENR 9103502004 1c is SEND >Ic is DATE START RECEIVER TX TIME PAGES TYPE NOTE M# DP >Ic 1< JUN-17 01 : 57 PM 93924612 1' 39" 11 FAX TX OK 629 >Ic �K TOTAL 1M 39S PAGES: 11 State of North Carolina Department of Environment and Natural Resources Wilmington Regional office William G. Ross, Jr., Secretary Michael F. Easley, Governor FAX COVER SME'T Date; June 17,2008 To: Eric Seidel Co: Cavanaugh and Associates, PA Fax: 910-392-4612 l�x�ess Permit for Village at Turtle Creekphases 6 & 7 Re: Bard c to fo low No. pages (excl. cover): 10 Express Permitting From: Sandra Exuni Phone: (910) 796-7265_ Fax: 910 350-2004 127 Cardinal Drive Extension, Wilmington, NC 28405 9 (910) 796-7215 • An Equal Opportunity Affirmative Action Employer X P. 01 >Ic >K TRANSACTION REPORT t >K JUN-17-2008 TUE 10:34 AM �K >Ic FOR; NCDENR 9103502004 � >K �c SEND DATE START RECEIVER TX TIME PAGES TYPE NOTE M# DP � >K �c JUN-17 10:32 AM 93924612 2'03" 11 FAX TX OK (01) 626 >K >Ic � >K TOTAL 2M 3S PAGES: 11 t �c�c>Ic�ctt�c�c�c>Ic>X>K>X>K��>K�ctc�c�c�c>Ic>Kttt�t�c�c>Ic>Ic>Ktt>K�c>K>K��c>Ic�c�c>K>K�c�c�>K>Ic�c>K�c�c>Ic�c>K>K>K�c�c>Ict>K�c�c>Ic��c>K>Ktt�>Kt�ct;�c�c�c�c�c��t��c�c�K�ci<�c��ic�c>K State of North Carolina Department of Environment and Natural Resources Wilmington Regional Office Michael F. Easley, Governor William G. Ross, Jr., Secretary FAX COVER SHEET Date: June 17,2008 No. Pages (excl. cover): 10 Express Permitting To: Eric Seidel. From: Sandra Exum Co: Cavanaugh and Associates, PA Phone: 91 Q 796-7265 Fax: 910-392-4612 Fax. (910) 350-2004 Re: ENpress ess Permit for Villages at Turkle Creek phases 6 & 7 Hard co to follow 127 Cardinal Drive Extension, Wilmington, NC 28405 - (910) 796-7215 - An Equal opportunity Affirmative Action Employer CAVANAU G H Solutions through integrity and partnership June 12, 2008 Linda Lewis Wilmington Regional Office - Division of Water Quality North Carolina Department of Environment and Natural Resources`' 127 Cardinal Drive Extension Wilmington, North Carolina 28405-3845 Re: Villages at Turtle Creek - Phase 6 & 7 - Stormwater Project No. SW8 080507 Response to Comments Dear Ms. Lewis: We have received and reviewed the comments sent from your office via email on May 30, 2008. Please find the enclosed documents, which include modifications as a result of the received comments. Please find below the referenced comments and our response to the comments in bold text. • There are 2 inlets into Basin 6B, but only one of them has a bypass. Both of the inlets must bypass. The two inlets at Basin 6B have been combined Into one and all water entering the basin passes through a bypass box. Basin 713 was also modified because it also had two inlet structures. An additional bypass box was added at Basin 7B along with a level spreader and vegetative filter. All sheets that show the modifications have been included in this response package. If you have any questions regarding this letter or enclosed documents, please feel free to contact me. Regards, L. Ste rneoore, P.E. Cavanaugh & Associates, P.A. steve.mooreC@-cavanaughsolutions.com (336) 759-9001 Enc: * Revised Pipe Sizing Calculations for Basin 6A * Modified Plan Sheets C.5.1 - C.5.5, C.5.7, C.5.9, C.5.12 (Total: 8 Sheets) Turtle Creek Phases 6 & 7 SW8 080507 Subject: Turtle Creek Phases 6 & 7 SW8 080507 From: Linda Lewis <linda.lewis@ncmail.net> Date: Fri, 30 May 2008 09:36:44 -0400 To: Tom Miner <tminer@dilsheimer.com>, Eric Seidel<eric.seidelPcavanaughsolutions.com> Tom & Eric: I missed one thing on the initial review. There are 2 inlets into Basin 6B, but only one of them has a bypass. Both of the inlets must bypass. Depending on the invert elevations of J-B-201 and 13P-208, this is probably best accomplished by either converting JB-201 into a bypass structure to a separate vegetated filter, or converting JB-201 into a bypass structure and connecting the bypass piping from JB-201 to BP-208 such that the one vegetated filter can be used. If you do the former, please remember to update the vegetated filter details box on sheet C-5.12. In 'either case, please update the bypass box details on sheet C-5.12 to reflect that Basin 6B now has 2 bypass structures. Since this was my oversight, there won't be an additional fee charged to correct this. Linda 1 of 1 5/30/2008 9:36 AM CAVANAU13H Solutions through integrity and partnership May 20, 2008 Linda Lewis Wilmington Regional Office - Division of Water Quality North Carolina Department of Environment and Natural Resources 127 Cardinal Drive Extension Wilmington, North Carolina 28405-3845 Re: Villages at Turtle Creek - Phase 6 & 7 - Stormwater Project No. SW8 080507 Response to Comments Dear Ms. Lewis: We have received and reviewed the comments sent from your office via email on May 16, 2008. Please find the enclosed documents, which include modifications as a result of the received comments. Please find below the referenced comments and our response to the comments in bold text. 1. Please clear up some ownership issues that occurred when a routine search of the NC Secretary of State (NCSOS) Corporations database was performed. DCNC North Carolina I, LLC is a Manager -managed LLC. Per the 2007 Annual Report, the manager of DCNC North Carolina I, LLC is Dilsheimer Communities of North Carolina, LLC, which is also Manager - managed. According to the 2007 Annual Report, the current manager of Dilsheimer Communities of North Carolina, LLC, is Brian Dilsheimer. The correct applicant for this project, therefore, is Brian Dilsheimer, Manager, Dilsheimer Communities of North Carolina, LLC, Manager, DCNC North Carolina I, LLC. Per NCAC 2H.1003 (e), in order for you to sign this application, you will need to provide a letter signed by Brian Dilsheimer, authorizing you to sign the stormwater application documents on behalf of Dilsheimer Communities of North Carolina, LLC, or have Brian Dilsheimer sign the application and supplements. A letter from Brain Dilsheimer authorizing J.B. Dilsheimer to sign the application and supplements has been sent to the Wilmington Regional Office. Attached is an email stating that it was received and approved. 2. Please address the following application/plan/calculation discrepancies noted for a few of the infiltration basins: a. Basin 6A: i. The total BUA reported on the application is 58,367, but the numbers as listed add up to 57,367. The sidewalk area is noted in calculations as 6821, but reported on the application as only 5821. /% The sidewalk area on the application was corrected to 6,821. ii. The supplement reports a SHWT Elevation of 43, but the calculations report 39.83. ✓ The Calculations sheet for Basin 6A was corrected to reflect the SHWT Elevation of 43. iii. The volume calculations are based on a bypass weir elevation of 46.75, which is reported on the supplement. But, Elevation B in the table on Sheet C.5.12 is listed as 46.5. Elevation B in the table on Sheet C.5.12 was updated to reflect the correct elevation of 46.75. b. Basin 6B -the 2 acre -inch maximum volume for this system has been exceeded. Please either reduce the volume to 2 acre -inches or provide additional erosion control measures at the inlet, and provide a mechanism to disperse the incoming runoff evenly across the bottom of the basin. A 10' X 80' Class B Rip Rap Settling Pool has been provided to reduce the velocity of the water that is flowing into Basin 6B. After passing through the settling pool the water will be evenly distribute aicvoss the basin by a level spreader that extends across the length of the basin. c. Basin 6C - the total BUA reported on the application, 65,310 sf, is different from the total used in the calculations, 65,712 sf. The total BUA for Basin 6C was corrected to add up to 65,310 as noted in the calculations. The parking number was incorrectly entered and was revised to 17,429 sf on the application. d. Basin 7C - the building amount listed on the application is 34,785 sf, but the amount used in the calculations is 34,765 sf. It's a minor difference of 20 square feet, but they should match up. The total building amount listed was revised to 34,765 on the application. e. Basin 7E - there appear to be two typographical errors for elevations A and B in the table on Sheet C.5.12. Elevation A should be 53.50, not 535.0 and Elevation B should be 50.6, not 0.6. The two typos on Sheet C.5.12 have been edited to 53.5 for Elevation A and 50.6 for Elevation B. 3. Please add a table of beginning and ending inverts for the vegetated filter to sheet C.5.12, or show the filter inverts on the basin detail sheets. The specified filter inverts should reflect a slope that does not exceed 5%. A table has been added to sheet C.5.12 that shows the beginning and ending inverts along with the slope of thevegetated filter. 4. Due to the minor application deficiencies, please submit a reapplication fee of $500.00, which is 50% of the usual $1000.00 reapplication fee. The $500.00 reapplication fee is attached with this submittal package. If you have any questions regarding this letter or enclosed documents, please feel free to contact me. Regards, Eric Seidel, E.I. Cavanaugh & Associates, P.A. eric.seidelOcavanaughsolutions.com (910) 392-4462 Enc: * Revised Stormwater Management Permit Application Form * Revised Drainage Area Design Sheet for Basin 6A * Modified Plan Sheets C.5.2, C.5.7, C.5.12, C.5.13 Note: Please attach original signature page to updated application form. DCNC NORTH CAROLINA I, L.L.C. Designation of Officers by Manager RECEIVED MAY 19.2008 PROd .# SGu 80 KID elne ��USU�- Pursuant to the provisions of Section 4.5(f) of the Operating Agreement of DCNC North Carolina I, L.L.C. (A North Carolina Limited Liability Company) ("DCNC North Carolina 1, L.L.C.") dated as the 5t' of January 2005, the undersigned, being the Manager of DCNC North Carolina I, L.L.C. does hereby designate the following as officers of DCNC North Carolina I, L.L.C.: Thomas S. Dilsheimer Maurice H. Johnson Brian D. Dilsheimer James B. Dilsheimer Vice President/Assistant Secretary Vice President/Treasurer Vice President Vice President Any note, mortgage, evidence of indebtedness, contract or other document and any assignment or endorsement thereof executed or entered into between DCNC North Carolina I, L.L.C. and any other person when signed by one or more Vice Presidents of DCNC North Carolina I, L.L.C. or by the Manager of DCNC North Carolina I, L.L.C. shall for all purposes be deemed to have been properly executed for and on behalf of DCNC North Carolina I, L.L.C. Each of the above -named officers of DCNC North Carolina I, L.L.C. shall have with respect to DCNC North Carolina I, L.L.C. the same authority as an individual holding the same office in a North Carolina business corporation would have with respect to such corporation. DSQ 1015311.1/DII007-212831 This designation has been executed on the 90k^ day of 2005. DCNC North Carolina 1, L.L.C. 4 By: \ - 1 shermer ornm es of North Carolina, L.L.C., its Manager By: Brian D. Dilshehner, Manager DSC:1015311.1/DHM7.212831 - 2 - OF W ATF9 fw r May 16, 2008 J.B. Dilsheimer, Member DCNC North Carolina 1, LLC 2528 Independence Blvd., Suite 104 Wilmington, NC 28412 Subject: Request for Additional information Stormwater Project No. SW8 080507 The Villages at Turtle Creek Phases 6 & 7 Pender County Dear Mr. Dilsheimer: Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Coleen H. Sullins Director Division of Water Quality The Wilmington Regional Office received an Express Stormwater Management Permit Application for The Villages at Turtle Creek Phases 6 & 7 on May 12, 2008. A preliminary review of that information has determined that the application is not complete. The following information is needed to continue the stormwater review: 1. Please clear up some ownership issues that occurred when a routine search of the NC Secretary of State (NCSOS) Corporations database was performed. DCNC North Carolina I, LLC is a Manager -managed LLC. Per the 2007 Annual Report, the manager of DCNC North Carolina i, LLC is Dilsheimer Communities of North Carolina, LLC, which is also Manager -managed. According to the 2007 Annual Report, the current manager of Dilsheimer Communities of North Carolina, LLC, is Brian Dilsheimer. The correct applicant for this project, therefore, is Brian Dilsheimer, Manager, Dilsheimer Communities of North Carolina, LLC, Manager, DCNC North Carolina I, LLC. Per NCAC 2H.1003 (e), in order for you to sign this application, you will need to provide a letter signed by Brian Dilsheimer, authorizing you to sign the stormwater application documents on behalf of Dilsheimer Communities of North Carolina, LLC, or have Brian Dilsheimer sign the application and supplements. 2. Please address the following application/plan/calculation discrepancies noted for a few of the infiltration basins: a. Basin 6A: i. The total BUA reported on the application is 58,367, but the numbers as listed add up to 57,367. The sidewalk area is noted in calculations as 6821, but reported on the application as only 5821. ii. The supplement reports a SHWT Elevation of 43, but the calculations report 39.83. iii. The volume calculations are based on a bypass weir elevation of 46.75, which is reported on the supplement. But, Elevation B in the table on Sheet C.5.12 is listed as 46.5. b. Basin 6B — the 2 acre -inch maximum volume for this system has been exceeded. Please either reduce the volume to 2 acre -inches or provide additional erosion control measures at the inlet, and provide a mechanism to disperse the incoming runoff evenly across the bottom of the basin. N,,o��netthhCaro}};;na r/VQ�Uffl, , North Carolina Division of Water Quality 127 Cardinal Drive Extension Wilmington, NC 28405 Phone (910) 796-7215 Customer Service Wilmington Regional Office Internet: www.ncwaterquality.or@ Fax (910) 350-2004 1-877-623-6748 An Equal Opportunity/Affirmative Action Employer— 50% Recycled110% Post Consumer Paper J.B. Dilsheimer May 16, 2008 Stormwater Application No. SW8 080507 c. Basin 6C — the total BUA reported on the application, 65,310 sf, is different from the total used in the calculations, 65,712 sf. d. Basin 7C — the building amount listed on the application is 34,785 sf, but the amount used in the calculations is 34,765 sf. It's a minor difference of 20 square feet, but they should match up. e. Basin 7E — there appear to be two typographical errors for elevations A and B in the table on Sheet C.5.12. Elevation A should be 53.50, not 535.0 and Elevation B should be 50.6, not 0.6. 3. Please add a table of beginning and ending inverts for the vegetated filter to sheet C.5.12, or show the filter inverts on the basin detail sheets. The specified filter inverts should reflect a slope that does not exceed 5%. 4. Due to the minor application deficiencies, please submit a reapplication fee of $500.00, which is 50% of the usual $1000.00 reapplication fee. Please note that this request for additional information is in response to a preliminary review. The requested information should be received in this Office prior to May 23, 2008, or the application will be returned as incomplete. The return of a project will necessitate resubmittal of all required items, including the application fee. If you need additional time to submit the information, please mail, email or fax your request for a time extension to the Division at the address and fax number at the bottom of this letter. Please note that a second significant request for additional information may result in the return of the project. If that occurs, you will need to reschedule the project through the Express coordinator for the next available review date, and resubmit all of the required items, including the application fee. The construction of any impervious surfaces, other than a construction entrance under an approved Sedimentation Erosion Control Plan, is a violation of NCGS 143-215.1 and is subject to enforcement action pursuant to NCGS 143-215.6A. Please address and label all packages and cover letters "Express" and reference the project name and State assigned project number on all correspondence. Any original documents that need to be revised have been returned to the engineer or agent. All original documents must either be revised and returned, or new originals must be provided. Copies are not acceptable. If you have any questions concerning this matter please feel free to call me at (910) 796-7301 or email me at linda. lewis(Qncmail. net. Sincerely, Linda Lewis Environmental Engineer III ENB/arl: S:IWQSISTORMWATERIADDINFO120081080508.may08 cc: Eric Seidel, Cavanaugh & Associates Linda.Lewis Page 2 of 2 Turtle Creek Ph. 6 & 7 SW8 080507 Subject: Turtle Creek Ph. 6 & 7 SW8 080507 From: Linda Lewis <linda.lewis@ncmail.net> Date: Fri, 16 May 2008 11:56:35 -0400 To: Eric Seidel<eric.seidel@cavanaughsolutions.com> CC: Janet Russell <Janet.Russell@ncmail.net> Eric: Attached please find my Express Review comments for the subject project. Considering the size of the project, these comments are very minor. Linda 080507.may08.doc Content -Type: application/msword Content -Encoding: base64 1 of 1 5/16/2008 12:08 PM [Fwd: Turtle Creek Ph. 6 & 7 SW8 080507] Subject: [Fwd: Turtle Creek Ph. 6 & 7 SW8 080507] From: Linda Lewis <linda.lewis@ncmail.net> Date: Fri, 16 May 2008 12:08:13 -0400 To: U.B. Dilsheimer" <jbd@dilsheimer.com>, Tom Miner <tminer@dilsheimer.com> Additional information regarding the subject project. Linda Subject: Turtle Creek Ph. 6 & 7 SW8 080507 From: Linda Lewis <linda.lewis@ncmail.net> Date: Fri, 16 May 2008 11:56:35 -0400 To: Eric Seidel<eric.seidel@cavanaughsolutions.com> CC: Janet Russell <Tanet.Russell@ncmail.net> Eric: Attached please find my Express Review comments for the subject project. Considering the size of the project, these comments are very minor. Linda Turtle Creek Ph. 6 & 7 SW8 080507.em1 Content -Type: message/rfc822 Content -Encoding: 7bit Content -Type: application/msword 080507.may08.doc Content -Encoding: base64 1 of 1 5/16/2008 12:08 PM State Stormwater Permit Application Trackinz Cover Sheet Project Name: Project Category: Project Type: App Accept Date: Wilmington Regional Office VILLAGES AT TURTLE CREEK, PHASE 6 & 7 NEW INFILTRATION SYSTEM 5/12/2008 Application Fee Amt. $ � 000 .0u Fee Check Number: d �� Reviewer Name: LEWIS, ALIDA - Hh C�4sc� Record the following information from BIMS after proiect has been entered! Permit Number (BIMS): Please update the SW Access System by entering the Permit Number for the proiect! Date Entered in Access: Entered in Access By: Date Printed: 511212008 11:51: 01 AM LETTER OF TRANSMITTAL Date: 5/12/2008 Job No. 041.05.043 Attn.: Janet Russell Ref.: The Villages at Turtle Creek - Phase 6 & 7 TO: Linda Lewis 127 Cardinal Drive Ext. Wilmington, NC 28405 CAVANAU G H Solutions through integrity and partnership The Following lfem(s): d Shop Drawings d Prints d Copy of Letter ® Plans d Contract d Plat These are Transmitted as Checked Below: ® For Approval ® For Your Use 0 As Requested l� For Review and Comment 0 Recommended for Payment d Approved as Submitted d Approved as Noted d Returned for Corrections d Resubmit We are sending you: 0 Attached d Under Separate Cover VIA d Technical Specifications d Pay Application d Submit d For Distribution Prints d Corrected Prints NOTE: Please give me a call if you have any questions or need anything else sent over. Thanks. (910) 392-4462 FROM: Eric Seidel, E.I. nE C E I V ED M n SAY 12 anon DWO PROJ # Cavanaugh Associates, P.A., 130 N. Front Street, Suite 202, Wilmington, NC 28401 Phone: 910/392-4462 Fax: 9101392-4-612 www.cavanaughsolutions.com St.)"s$d �'d Sbe) THE VILLAGES AT M--.JR EC R E--i EK TOWN OF SURF CITY, PENDER COUNTY, NORTH CAROLINA PHASES 6 & 7 STORMWATER MANAGEMENT HIGH DENSITY PERMIT APPLICATION SUPPLEMENTAL REPORT MAY 6, 2008 I;AVANAU13 Solutions through integrity and partnership ESk. IN roe We provide superior client service and environmentally s designs through integrity, communication and partnership. Consulting Engineers Environmental Professionals Land Surveyors Design Professionals 530 North Trade Street, Suite 302. Winston-Salem, North Carolina 27101, Phone 336/759-9001 MAY 1 1- 2008 Narrative 1. Site Description The subject development, formally identified as The Villages at Turtle Creek, is located in the Town of Surf City, Pender County, North Carolina. The 248.2 (+/) acre property has frontage along NC 210 and US Highway 17. Please note that the site wiii be permitted and constructed in multiple phases. Phases 6 and 7 have a limit of disturbance of approximately 39.8 acres and an assessed drainage area of approximately 27 acres. The site is currently undeveloped and heavily forested with Army Corp of Engineer approved 404 wetlands located throughout the property. Currently, the site drains by way of overland flow through the wetlands for ultimate discharge to Becky's Creek. Becky's Creek has a watershed classification of SA:HQW as confirmed by DENR-DWQ on July 24, 2006. The property can be described as mildly sloping, with an average slope of approximately 1.0%. The elevations throughout the property range from 9 it mean sea level (MSL) near the wetlands to 65 ft MSL towards US 17. It is important to note that the area proposed within Phases 6 and 7 ranges in elevation from 63 ft MSL to approximately 37 ft MSL. The geotechnical site review conducted by an independent soil scientist found seasonal high water table elevations (SHWfE) ranging from less than 12 to 60 inches below ground surface (BGS) in these phases. Estimated infiltration rates between 0.36 in jhr and 9.43 in/hr were determined by the soils evaluation. 11. Project Description Phases 6 and 7 of this multi -phased .development consist of the construction of a portion of the subdivision containing 183 townhomes. These phases will include approximately 304,422 If of dwelling and driveway area, 58,752 If of sidewalk area, and 302,253 if of street and gutter area. Pursuant to the watershed classification of the site, High Quality Waters: SA (HQW:SA), the project will employ infiltration type best management practices (BMPs). Specifically, nine (9) infiltration basins are proposed. Stormwater from the tributary drainage areas, as identified within the submission documents, will travel by sheet and shallow concentrated flow to a series of fiat grate curb and yard inlets for eventual discharge to the nine (9) proposed sormwater management basins. Stormwater will be collected and conveyed from these inlets through a series of HDPE & RCP. The Villages at Turtle creek 2 of 5 Stormwater Management High Density Pem* ApPlksabon * TOTAL DRAINAGE AREA: 1 167,075 if = 26.79 acres = 27.0 acres Impervious Areas (Project Built Upon Area - BUA) Dwellings and Driveways: 304,422 if = 6.99 acres Sidewalk: 58,752 ff = 1.35 acres Street and Gutter: 302,253 fe = 6.94 acres Calculation 6.99 + 1.35 + 6.94 acres = 15.28 acres impervious 15.28 acres (Impervious)/39.81 ac. (Total LOD) = 0.3838->38.38% Project BUA Ill. Stormwater Management Plan Collection and Conveyance: The residential lots, roads and streets will be graded so that runoff enters the stormwater management system by way of sheet flow over the residential lots and roadway system and shallow concentrated flow within the valley curb to the curb and yard inlets. From these inlets, the stormwater will be conveyed by way of the aforementioned HDPE & RCP for discharge to the nine (9) strategically -placed stormwater management basins. Please note, runoff from the rooftops will be collected by down spouts and directed to the right-of- way, as specified within the notes, where the runoff will then enter the stormwater management system. Yard inlets will also be utilized where necessary to collect runoff In the grassed and landscaped areas. Treatment: The project site is located in a coastal county and within 'A mile of SA:HQW waters. Therefore, the project requires stormwater to be treated with an infiltration type system. After discussions with NCDENR-DWQ's staff, it has been determined that the best option for stormwater treatment for this project is infiltration basins. The SHWTE investigation confirmed that the proposed locations of the nine (9) infiltration basins are appropriate for this type of BMP. The nine (9) proposed locations had SHWTEs of 24 and 44 inches BGS. Basins 6A, 6B, 6C, 6D, 7A, 7B, 7C, 7D and 7E are infiltration basins designed to treat the first 1.5" of rainfall runoff. "Off-line" bypass systems will divert excess runoff from large storm events to the wetlands. Rip rap aprons will be used to dissipate the velucity of the incoming runoff, and level spreaders will be used to prevent channeiized flow at the entry points to,the basins as well as at the bypass box discharges. Level spreaders will be used, in addition to the rip rap apron, to discharge runoff in excess of the 1.5" volume into the existing 404 jurisdictional wetlands for the basins. In addition, basin 6A, 6B & 7A soils will be The Villages at Turtle Creek 3 of 5 Stormweter Management High Densfty Permit Application excavated to the SHWTE and backfilled with suitable infiltrative soils to increase infiltration rates in the basin location. Using the computer program Hydreflow, the runoff potentially generated for Phases 6 and 7 in their natural state (pre -development) during a 10 year storm was modeled and equals approximately 40.5 fe/s. The runoff generated in the post -development scenario for Phases 6 and 7 that will be routed through stormwater ponds was also modeled for a 10 year storm and equals approximately 2.69 fts/s. Therefore, the flow was reduced from the pre - development scenario to the post -development scenario by 37.81 ft!/s for a 10- year storm. The modeling results are shown in the Apperift. The proposed stormwater management system has been designed in accordance with NCDENR requirements and will not adversely affect any downstream drainage patterns. IV. Above - Ground Infiltration Basin Maintenance Agreement 1, Stormwater management facilities shall be regularly maintained to ensure they function at design capacity and to prevent health hazards associated with debris build-up and stagnant water. The privately -owned portion of the system must be privately maintained. 2. Responsibility for operation and maintenance of stormwater facilities, including periodic removal and disposal of accumulated particulate material and debris, but not limited to the following: visual inspection of all system components at least twice each year; vacuuming of all storm sevrer inlets once every sac months (frequency of vacuuming may be adjusted to once a year if first year maintenance records indicate that sediment and debris accumulation is insignificant); reverse flushing and vacuuming if system inspections indicate significant accumulation of sediment in the pipes; and periodic removal and disposal of other material and debris shall remain with the owner or owners of the property, with permanent arrangements that shall pass to any successive owner, unless assumed by a governmental agency. 3. In the event that the facility becomes a danger to public safety or public health, or if it is in need of maintenance, the owner shall effect such maintenance and repair of the facility in a manner that is approved by the township engineer or his designee. If the owner fails or refuses to perform such maintenance and repair, the municipality may immediately proceed to do so in accordance with the maintenance bond. The Villages at Turtle creels 44 of 5: S av"ter Management High DenwW Permit AoPrw&kln V. Construction Schedule 1. Perform construction stake out. 2. Install temporary gravel construction entrance. 3. Clear site, but do not grub. 4. Install all erasion and sediment control measures. 5. Grub site. 6. Construct sediment traps. 7. Commence rough grading of the site. 8. Install stormwater management appurtenances inclusive of infiltration basins. 9. Construct sewer collection system. 10. Construct water system. 11. Rough grade the site. 12. Shape shoulders and cut -and -fill slopes. 13. Scarify, seed, fertilize, and mulch all disturbed areas. 14. Install dry utilities (electrical, fiber-optic, cable, phone, etc.). 15. Re -scarify, re -seed, re -fertilize and mulch all disturbed area. 16. Construct roadbed base course and intermediate asphalt course. 17. Apply final asphalt course. 18. After disturbed areas are stabilized with vegetation, the contractor shall return to the site and remove all temporary erosion control measures. VI. Vegetation Plan 1, the contractor shall provide seeding and mulching on all disturbed areas within fifteen (15) working days following the completion of any phase of grading, Seeding requirements shall include soil preparation, seed mixtures, and mulching. 2. Contractor shall provide sod cover on all areas or comply with permanent seeding schedule. rho Villages at Turtle creek 5 or 5 Stormwater Management High Density Permit Application DRAINAGE AREA DESIGN SHEET DATE: 5/20/2008 SHEET 1 OF 4 PROJECT: Turtle Creek - Phases 6 DESIGN BY: APL PROJECT NO.: 041.05.043 CHECKED BY: LSM DESCRIPTION: Sub -Basin Drainage Area Analysis DRAINAGE AREA BA Post Development C A fe A ac 1 Dwelling & Driveway 0.96 0.00 2 Sidewalk 0.95 6.821 1 9.16 3 Street & Gutter 0.96 51.546 1.18 4 Grass 0.25 44,832 1.03 6 7 8 Weighted C 0.65 Total Area 103,1991 2.37 Im ervious Area 58,367 1.34 Percentlm ervious 56.6% Volume Runoff to be Controlled From 1.5" Storm Q = CiA i = 7.2 in/hr C = Weighted C A = Total area in acres EMS Rv--0.05+0.009(I) (Simple Method, Scheuler) 1= 56.8 Percent Impervious Rv= 0.56 Runoff Coefficient V=P•RV`Ad P= 1.5 in Design Rainfall V= 0.166 ac-ft Volume To Be Treated V= 7,211 ft3 Volume To Be Treated A= 3,235 ft Area of Treatment Device D= 1.75 It Pool Depth 1,031.72 V=1 8,243 ft3 Volume of Treatment Drawdown Calculation 43.00 ft Seasonal High Water Table Elevation 45.00 ft Bottom of Treatment Device 46.75 ft Water Suface Elevation V= 7,211 ft3 Volume To Be Drawn Down A= 3,235 it' Area of Treatment Device k= 0.60 in/hr Most Restrictive Infiltration Rate t= 35 hrs Drawdown Time t= 1.5 days !•I t w e 9� k t ._ F MAY 2 0 2008 DWQ PROD # SW CCU P,ond Report Hydraflow Hydrographs by Intelisoive Tws ft. May 6 20M8, 3:24 PM Pond No. 4 - Infiltration Basin GA Pond Data Pond storage is based on known contour areas. Average end area method used. Stage / Storage Table Stage (it) Elevation (ft) Contour area (sxltt) Incr. Storage (tuft) Total storage (cult) 0.00 45.OR 3.632 0 0 1-00 46.00 4,855 4,244 4.244 1.50 46.50 5.491 2.587 6.830 1.75 46.75 U14 1,413 8,243 2.00 47.00 6.327 1,518 9.761 2.50 47M 7063 3,348 13,105 3.00 48.00 8,219 %821 16.929 Culvert I Orifice Structures [A] [B] [C) [o] Rise (in) = 24.00 0.00 0.00 0.03 Shan (in) = 24.00 0.00 moo 0.00 No. Barrels = 1 0 0 0 Invert El. (ft) = 45.45 0.00 0.00 0.00 Length (It) = 38AM 0,00 0.00 0.00 Slope (%) = 0.39 0.00 0.00 0.00 N Value = .012 .000 .000 .000 OrIt. Coen = Q6,0 0.Qo om 0.+012 Multi -Stage = Ma No No No stage M 3.00 2.00 1.00 I o.00 0.00 2.00 Total Q 4.00 6.00 Weir Stmetures CA1 [BI [c] [DI Crest Lan (1I) = 5.00 M00 0.00 0.0o Crest El. (0) = 4&W 47.75 0.00 0.00 WWr CoW. = 3.33 3.33 0.00 0.00 Weir Type = Riser Red - - MU II -Stage = Yes No No me BdtOratton - 0.600 mft (Corrboui) Taiwater Beev. = 0 00It tiara.QGmW0MmaAWh2Wrm aRWVmd i AIMM9VAQ!as&Q1. Stage I Discharge stop W 3,00. 2.00 o.W 8.00 110.00 12.00 14.00 16.00 Moo 20.00 22.00 Dbchaqp (ds) 11 DATES SM12005 " PROJECT. Tur0e Creek- Phase 8 DESIGN BY. APL PROJECT NO.. 041.05.043 CHECKED BY: GSM DESCRIPTION: Sub -Basin Drainage Area Anahmis QRAINAGE AREA 6B Z ' lX 6 Post Development C A A ac Dwelling 8 Dfiveyvay 0.95 45123 10.236 1.04 0.23 2 Sidewalk RA 3 Street & Gutter 0.06 686118 1.35 4 Gress 0.2567 1.55 5 6 Weighted C 0.89 Total Ares 181644 4.17 Impervious Area 113,9771 2:82 ParrAntirnrumvinue 62.7% Q=CIA 1=72Mv C = Weighted C A = Total arse m arras Q = 20.69 Volume Runofftck be Controlled From 1 r Stone Rv=0.08+0.009(11 (SImple Lilathod. Sc wA4 1= 62.7 Percent Impervious Rv= 0.61 Runoff Coetkdenl V=P" RV•Ad P= 1.5 Ih Design RskM V= 0.320 ac ft Voluaw To Be Ttralled V. 1 955 fts Voume To Be Treated An 3,700fe Area ofTreahnedDevtce D= 220 It Pod Depth 679.31 V-1 14.537 R, VolumsofTreeVned 39.83 It Seasonal High Water Table eavaQon 42.00 ft Bottom of Treatment Devrce 44.90 ft Water Suface ElaVafion Drawdom Calculation V= 13,950 le Volume To Be Om m Dom A= 3,700 ft Arm of Tnmtmeal D&vb8 k= 0.80 hot Most Restrxbve IrMa0w Rabe t= 58 hrs Drawdom Time t= 2A days Pond Report Hydrallow Hydrographs by Intellsolve Tuesday, May 6 2W8, 3:24 PM Pond No. 2 - Infiltration Basin 6B Pond Data Pond storage is based on known contour areas. Average end area method used. Stage I Storage Table stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cult) Total storage (cult) 0,00 42.no 3,693 0 0 1.00 4300 4,569 4,131 4,131 1.50 43.50 5.025 2,399 6,530 2.00 44.00 5,518 2.636 9,165 2.50 44.50 6,012 2,883 12,048 2.90 44.90 6.432 2,489 14.537 &00 45-00 6,537 648 15,185 3.50 45.60 7,067 3,401 18,586 4.00 46.00 7,610 3,6W 22,255 Culvert/ Orifice Structures [A] [B] [C] [D] Rise (in) = 24.00 0.00 0.00 0.00 Span an) = 24.00 0.00 0.00 0.00 No. Barrels = 1 0 0 0 Invert El. (ft) = 42.35 0.00 0.00 0.00 Length (ft) = 137.00 0.00 0.00 0.00 Slope (%) = 0.62 0.00 0.00 0.00 N Value = .012 .000 .000 .000 Orif. Coeff. = 0.60 0.00 0.00 0.00 Multi -stage = n!a No No No stage (ft) 4.00 3.00 2.00 1.00 t 0.00 0.00 Weir Structures IA] [BI [C] [D] Crest Len (ft) = 5.00 15.00 0.00 0.00 Crest El. (ft). = 44.90 45.W 0.00 0.00 Weir Coeff. = 3.33 3.33 0.00 0.00 Welr Type = Rlser Rect -- - Muld-Stage = Yes No No No Exiiltration - 1.360 Whr (Contour) Tablwater Elev. = MOD It KM Q&wMorMwaft-as have bm analyzed uedr heel ad ause wnkaL Stage I Discharge l l �t � I � i 1 4.00 Total Q 8.00 Stage (it) 4.00 &W 2.00 1.00 - - 0.00 12-00 16.00 20.00 24.00 28-()a 32.00 M.00 40.00 Discharge (c1s) I 43 PROJBGP PROJECTND:. DESCRrPnoN: MMU(iEAMOC * Post amlopment c AM Abel 1 chve rmy & nr1r 2 Wdewalk 0-25 4,676 3 Stm'd & GaStar 19,130 OM 4 Grass am 42,921 tis 5 6 c 0w Tafaf Awwr 11 1 2 wraa 65 10 1.50 pertywt 56.7% Q= CIA t=7.2W C=YYaiohw C A=Tatd amaie ao es IQ- t � Vbhe tbwfwfA ha Cowboead Fmm 1J7" Sloes Rv=e.05*0.009N lSkapb Meld I= 5@.T Pond Impen f. Sdwdot} mK Rs= 0.56 RmWCodedma! V=p WAd pa 1,5:< DOS%Pfi V= 0.1e5 a" VOWOToBeTmdled 1/=®Its Vduse ib Be Tieabd A= 4XAf? AreadTmaiwmdOarioe D= 1.75 R Pod 006 733A3 W-1 6,001WVhk medTmavmmd am ft Saeeoaa KQb Vftw Tattle EiaveGon 42AD R Bodms dTmd and Oavioe 43.75 tt VftwSdaos Ebvdl n DraVY'{. `R �.&tGtClafiOR V= %M to Vdwm To fie omws Dawn An 1,255 of AmadTraalme dDexka k= 792 infiC Mostftesbc@m Rate 2= 3 Im Domdoss Time t= 0.1 chars Pond Report Hydraflow Hydrographs by Intertsolve Pond No. 3 - Infiltration Basin 6C Pond Data Pond storage is based on known contour areas. Average end area method used. Stage / Storage Table Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cuff) Total storage (cuts) 0.00 42.00 4,255 Q 0 1.00 43.00 5,132 4,694 4,694 1.50 43.50 5,590 2,881 7,374 1.75 43.75 5,623 1.427 8,801 2.00 44:00 6,060 1 AN 10,286 2.50 44.50 6,545 3,151 13,437 300 45.00 7.045 3,398 16,835 Culvert! Orifice Structures [A] [B] [C] [D] Rise (in) = 18.00 0.00 0.00 0.00 Span (in) = 18.00 0.00 0.00 0.00 No. Barrels = 1 0 0 0 Invert S. (it) = 42.07 0.00 0.00 0.00 Length (it) = 18100 0.00 0.00 0.00 slope (%) = 0.31 0.00 0.00 0-00 N Value = .013 .000 .000 .000 Orlf. Coeff. - 0.60 0.00 0.00 0.00 Multistage a n/a No No No Stage (ft) 3.00 2.00 1.00 0.00 0.00 Tuesday, May 6 2008, 324 PM Weir Structures Crest ten (ft) = 5.00 15.00 0.00 0.00 Crest El. (ft) = 43.75 44.50 0.00 0.00 Weir Coeff, = 3-33 3.33 0.00 0.00 Weir Type = Riser Red --- - Muki•Stage = Yes No No No Exflltration = 7.920 adhr (Contour) Ta&vder Elev. = 0.00 ft K%W 0*mV0rfts outflows here been *lyaed ufKler inlet and MW camel Stage 1 Discharge i i I i 3.00 Total Q 6.00 9.00 Stage (ft) 3.00 2.00 1.00 - 0.00 12.00 15.00 18.00 21.00 24.00 27.00 30.00 Discharge (cfs) PROJECT: PROJECT NO.: DESCRIPTIO.1: DRAINAGE Post Development C A A Lao + C1"111n A r)dvowiw 9,96 as=us 2 Sidewalk 026 4 30D 0.10 3 SVeet & Gutter 0,95 18 919 __ O. 3 4 Gress O 30,409 6 8 W hted C 0.68 Total Area 98 954 2.20 11momfous Area 1 69.6461 1.37 PercentImpervious 62.1% DESIGN BY - CHECKED BY: Q=CIA I = 7.2 inAe C = Weighted C A = Total area in acres Q = 10.85 Volemw Runoff to be Controlled Rv=0.06+0.009(0 From 1.0 8ram (Simple Method, Scheulo to 62.1 Percent ImPeevbus Rw 0.61 Rwwfl Coeftent V=P•Rv'Ad P= 1.5 in DesIgn Rainfall V= 0.18s ao-ft Volume ToBeTrealed V=C 7 2g9 R' Volume To Be Troaled An 5,557 ft Area of Treatment Dews D= 1.10 It Pool Depth 694A7 V= 7,993 fts VolumeotTreatment 35.83 9 Seasonal High Water Tabb EWja Jon 37.90 It Bottom of Treatment Device 30.00 It Water Suface EkrmWn Deawdown Calculation V= 7,299 fts Volans To Be Drawn Dm m A= 6,W7 f? Area of Treatment Device Its 0.60 1whr Most Resbicdive infiltration Rate t= 22 hm Drawdawn Time t= 0.9 days Pond Report Hydraflmw Hydiographs by Intefisalve Tuesday, May 6 2008, 324 PM Pond No. 4 - Infiltration Basin 6D Pond Data Pond storage is based on known contour areas. Average end area method used. Stage / Storage Table Stage (M Ew ation go Contour area (sqM [nor. Storage (cufi) Total storage (cult) 0.00 37.90 6,36D 0 0 M10 38.00 6,519 644 644 0.60 38.50 7,323 %461 4,104 0.85 38.75 7,730 1,882 5,986 1A0 35.90 8,106 1.188 7,174 1.10 39.00 8,283 819 7,993 1.60 39.50 9,174 4.304 12,357 Z.10 40.00 10.533 4,927 17,284 Cuhn"I f Orifice Struc4i es [A] [B] [C] N] Bias (in) = 15.00 moo 0.00 0.00 Span (in) = 16.00 O-W 0.00 0.00 Na. Bamds = 1 0 0 0 knmt till. (fQ = 38.36 0.W 0.W 0-00 Lerrg4r 01) = 41AO 0.00 0.00 0.00 Slops (%) = M63 0.00 0.00 0.00 INWAIe = .013 .000 .000 .000 Odf. COOK = 0.60 0.00 0.00 0.W IAA = Na No No No Shoo (14 3.00 2.00 1.00 0.00 0.00 1.00 Total 0 Weir Stnictures [A] [B] [L] [D] Crest Len #4 = &GO 15.00 0..00 0.00 Crest EL QQ = 39.00 39.90 0.00 0.00 Wsbr CosiE = 3-33 3.33 0.00 0.00 VVW ryps = fuser Red - --- fYtwe'stage = Yes No No No EANxatlon = 0.6W iMhr (Contour) TabWar Elev. = 0.00 it Note. C Orifteautlowhwebemalarmedunderk tendsine!aontraL Stage / Discharge 2.W 3.00 4.00 5.00 6.W Stage 01) 3.00 2.00 1.00 0.00 7.00 Disc arge (efs) PROJEc `_ PROJECT NO.. DESCPJPTFopt Postpwnlopmutc AVA a Ira 2 Skbwak 0.95 3,061 ®A7 3 SUW&f3a0ar 025 IaAOS 0.38 4 brass0.25 35307 021 5 8 WN ed C M63 Tour area 78 t15 1 1.79 MONAMMAM I 4ZMM I OJM Paean 54JM Wht Raroffto he Can6aaad Fi JX' Stour Rv4LWAOMM csbv a w m hocL SdOW14 In 54.0 Percent kr4mdm Rv= OM fbjmWCoaRN*d Y=P'Rw'Ad ►—:i4- i. _ Q■f2A i=7.2mw C=VNdpFted C A-ToW aminaum ;Q ¢ 8.18 P= i.5 in Dsd39a RaI I I V` 9.122 a" VokmoTrfloT"Mud V'—� Vo!ume To Be TrWad /la zoo Rv AreaafTrsalmeKDWAw D= 1.754 F'ao1 DepO� 897.8a V- 192 VNamedTiaaf�t 3J.33 2 Saaeoradtigh WaberTat4e t3av�ian 39" R flattoet atTreaMmat Daaios 41252 VON Sub= Ebvaftn Va SX4 Its Vhimp To 64 Dlrar Dorn A= 2MM AmoffisatmMn, I be 960idw Mad RagehMreI Rasa t= 35 h:a Dnaadrrn Tine 1.5 deals �e Pond Report Hydrailow Hydrographs by fntelisolve Tuesday, May 6 2008, 3:36 PM Pond No. 1 - Infiltration Basin 7A Pond Data Pond storage is based on known contour areas. Average end area method used. Stage I Storage Table Stage (ft) Elevation: (ft) Contour area (sgft) Irtcr: Storage (cult) Total storage (cult) 0.00 39.10 .3,100 0 0 0:50 40.00 3,236 1,584.. 1,584 1.60 41..00 055 3,698 5,180 1.Z5 41.26 4,143 1,012. 6,192. 2.00 41.50 4,336 1,060 7,252` 2.50 42.00 4,925 2,315 9.567 Culvert I Orifice Structures [A] [B] [C] [o] Rise (In) = 15.00 0.00 0.00 0.00 Span (in) = 15.00 0.00 0.00 0.00 No. Barrels = 1 0 0 0. Invert El. (ft) = 39.85 0.00. 0.00 0.00 Length (ft) = 26.00 0.00 0.00 0.00 Slope (%) = 0.58 0.00 0.00 0.00 N Value = .013 .000 .000 .000 Oft Coeff. = 0.60 0.00 0.00 0.00. Multi -Stage = n/a No No No stage (6) 3.00 2.00 too Weir Structures. [A] Crest Len (Ft) = 5.00 Crest El. (ft) = 41.25 Weir Coeff. = 3.33 Weir Type = Riser Multi -Stage = yes [B] [C] ED] 15.00 0.00 0.00 41.75 0.00 0.00. 3.33 6.06 0.00 Rect --- No No No 11 t Exfiltralon = 0.600 In/hr (Contour) TaKwater Elev. = 0.00 ft i Note: Culvertl0ririce aufflowe have been ano"d under Intel and outlet control. Stage I Discharge Stage (ft) 3.00. 2.00 1.do i i 0,00- I i I 0.00 0.00 1,00 2.00 3.00 4.00 5.00: 6.00 7.00 8.00 9.00 16.00 1.1.00 12.00 13.00 Total Q Discharge (cfs) DRAINAGE AREA DESIGN SHEET DATE: 511/2008 SHEET 2 OF 5 PROJECT- Turtle Creek - Phase 7 DESIGN BY: APL PROJECT NO. 041.05A43 CHECKED BY: LSAT DESCRIPTION-- Sub -Basin Drainage Area Analysis DRAWAGE AREA 7B Post Development C A (1101 A ac 1 Dwellirm & Ddyaway 0.96 .., 70-026 17AI2 . 1.81 . OAD 2 SkkmWk 0.95 3 Street & Gutter 0 8 99 1.89 Grass 0. 135 fLB 1 6 We hted C 0.64 Total Area 305 617 7.02 limpervious Area I WOMB 1 3.90 Percent im ervious 55.M Volume Runoffto be Controlled From W Storm Rv=0.09+0.00901 (5rmple Wthad, Scheuled Ia 55.6 Percent Impervious Rv= 0.56 Runoff C00W84t V=P'RV•Ad Drawdown Calculation 0 It CIA I a 7.2 INhr C a wooled C A a Total area In acres 0 32.30 Pa 1.5 in Design RairdeA V= OA83 ao41 Volame To Be Treated V= 21039 to Volume To Se Tweted A= A172 fls Area of Treatment Drilm D= 1.50 fl POO Depth 36W84 V= 24 700 Volume of Treatment MAD It Seasons{ High Water Table Eevation 41.00 It Bottom of Treatment Device 42M R Water Sufacs Elevation V. 21,039 f Volume To Be Drawn Down An 15.172 f? Area of Treafmant Device ka 6.41 rNbr MOM Resinc9ve kditlneflon Rate to 3 bra Drawdown Time t= 0.1 days Pond Report 13 j hiydraffow Hydrographs.by Intellsolve Tuesday, May 6 2008, 3:36 PM Pond No. 2 - Infiitration Basin 7B Pond Data Pond storage is based on known contour areas. Average end area method used. Stage / Storage Table Stage lift) Elevation (ft) Contour area (sgft) Incr. Storage {tuft) Total storage (cuff) 0.00 *L00 15,172 0 0 1.00 42.00 16,894 16,033 16,033 1.25 4225 17,333` 4.278 20,311 1.50 42 50 17,776 4,389 24,700 1.75 42.76 18,222 4,600 29,200 2.00 43.00 1 %6...72 4,612 33,812 3.00 44.00. 20,506 19,589 63,401 4.00 46.00 22,400 21;453 74.854 Culvert I Orifice Structures Weir Structures [A] [B] IQ] [o] [Al [B] [e] [D] Rise (irt) = 24.00 0.00 6.00 0.00 Crest Len (ft) = 5.00 15.00 0.00 0.00 Span (in) = 24:00 0.00 0.00 0.00 Crest III. (ft) - 42.50 44.50 0.00 0,00 No. Barrels = 1 0 0 0 Weir Coeff. = 3.33 3.33 0.00 0.00 invert El. (ft) = 41.10 0.00 0.00 0.00 Weir Type = Riser Rect --- Length (ft) = 181.00 0.00 0.00 0.00 Multi -stage = Yes No No No slope (%) = 0.28 0.00 0.00 D.00 N-value = .012 .000 .000 .000 i OHL Coeff, = 0.60 0.00 0:00 0.00 Multistage = n/a No No No Exflltratlon = 0.600 inthr (Contour) Tallwater Elev. = 0.00 It Nole: CuiverilOriRoe outflows have been ana"d under Inlet and ouliet control. Stage (ft) 4.00 3.00 2.00 1.00 0.00 0.00 4.00 Total Q Stage ! Discharge 8.00 12.00 16.00 20.00 24.00 28.00 32.00 36.00 Stage (ft): 4.00 3.00 2,00 1.00 0.00 40.00 Discharge (cis) Pito m,p PROJECT ND.: UESCRPTIOR DRAINAGE st C Aft A_ ac VA 0.45 SST 95 32?85 Sftd& 0-4 LTA'm 3 t20_0.69 i2400 7.63 Arq Z2.3a i I M p SB.i:a DESIGN BY: CHECKED BY: Q=CIA 1-7,2b& C=VYal9fibd C A aTblWum in acres q s 13.52 Vahm fbenWb tr Conlw6d Fwww JO SWM Rr B Milo (Sb6ds IN lu SM lmpdviW- A I L sdolftd Rs= O57 RanaBCodir W vmplt m P= 1.5 in ombnRrl" V= OZ05 salt VMNMTGE*TMObd 1F-E::� VOli MTQBsTMW A= 4,343 f? AmeorTmownentDetiiOe D= 1.50 R Pool DWW 1671 V=®Rw VaWMQFTMdmmi 49" R Sssedhl Hbb VYibrTaeb Elaw®ian S1AO ft BOMM OtTORUM Drsloa se9an VidalSufamBrrAim Drawdown Cala34Brn V5 8322f? VaboMT0890�0own A= 4"1? A odTffdmdDa%*m k= em kft MortRseUirArsMfta Rds 1= 3 hm. Drardawe Tans 1= O1 do" Pond Report Hydraflow Hydrographs by lntelisolve Tuesday, May 6 2008, 3:36 PM Pond No. 3 - Infiltration Basin 7C Pond Data Pond storage is based on known contour areas. Average end area method used.. Stage f Storage Table stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cult) Total storage (cult) 0.00 51.00 5,255 0 0 1.00 52.00 6,190 5,723 5.723 1.50 52.50 6,676 3,217 8,939 2.00 53.00 7,172 3,462 12,401 300 54.00 8,214 7693 20,094 Culvert! Orifice Structures [A] [BI [C] ID] Rise (in) = 18.00 0.00 0.00 0.00 Span (in) = 18.00 0.00 0.00 0.00 No: Barrels = 1 0 0 0 Invert El. (ft) = :51.19 0.00 0.00 0.00 Length (ft) = 93.00 0.00 0.00 0.00 Slope (%) = 0.53 0.00 .0.00 0.00 N Value = .013 .000 .000 .000 OrIL Coeff. = 0.60 0.00 0.00 0.00 Multi -stage = We No No No stage (it) 3.00 2.00 1.00 0.00 0.00 3,00 Total Q 6.00 9.00 Weir Structures [A] [BI [C] ID]. Crest Len (it) = 5.00 15.00 0.00 0.00 Crest El. (ft) = 52.50 53.50 0.00 0.00 Weir Coeff. = 3.33 3.33 0.00 0.00 Weir Type = Riser Rect -- -- Multi-Stage = Yes No No No Exflitration = 0.600 infhr (Contaur) Tailwater Elev. = 0.00 ft Nola; CuArerUOdfica:oumawa have been analyzed under inlet and outlet control. Stage 1 Discharge Stage 00 3.00 `lr 1.00 0.00 12.00 16.00 18.00 21.00 24.00 27.00 30,00 Discharge (cfs) 18 DATE: si1l=6 SHEET 4 OF 5 PROJECT. Turtle Creek- GN Phase 7 DESIBY: APL PROJECTNO- 04195:043 CHECKED13Y: LSM DESCRIOMM: SO -Basin DtalameAreaAnalY313 PowtDeve ut C A Bel A ac 1 lTmftv $, Ddveway 0.95 26.391 1 _0, r 2 Sidewalk 0 0 5.288 0.12 0 04 3 Street & Gutter C 27.195 _ Gross Q25 45 309 5 6 Wei kited C 0.06 rctal area 1Q4.a3t 2.39 ua Area 58 682 1.35 1129mr1thriparvious 66.6% Volume Runalftm be Centrolled From I r Storm gcCIA 1- 7.2 inthr C a Weighted C A a Total area in awes Rv-0.05+0:009M (U mpie iNethod, ScheuW) l= 56.5 Percent ImpatviOUS Rv=- 0.56 Runoff Coeffk(ent VAd P= 1.5 In Design Rainfall V= 0.167 acdt Volume TO Be Treated V= 7 273 to Volume TO Be Treated A= 4,343 le Area of Treatment Device on 1.50 R Pool Dppm 160.56 V= 7 434 Rs Volume of Treatment 49.00 R Seasonal High Water Table Elevation 51.002 Boftm of Treatment Device 52.50 it Water Suraoe Elevation V= 7,273 R° Volume To Be Drawn Down As 4,343 Its Area of Treatment Device k= 6.56 Whr Most Resbiclive InMrebon Rate t= 3 bm Drawdown Time t= 0.1 days �r Pond Report Hydraflow Hydrographs'by,lntelisolve Tuesday, May 6 2008, 3:36 PM Pants No. 4 - infiltration Basin 7D Pond Data Pond storage is based on known contour areas. Average end,area method used. Stage 1 Storage Table Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (tuft) Total storage (tuft) 0:00 51.00 4 343 0 0 1.00 52.00 5.156 4,750 4,750 1.50 52.50 5.583 2,685 7,434 1,75 52.75 5.801 1,423 8,857 2.00 53.00 6.024 1,478 10,335 3.00 54.00 6,456 6,240 16,575 Culvert 10rfice Structures [A] 113I [C] [a] Rise (in) = 18.00 0.00 0.00 0.00 Span an) = 18.00 0.00 0.00 0.00 No. Barrels = 1 0 0 0 Invert El. (ft) = 51.16 0.00 0.00 0.00: Length (ft) = 71.00 0.00 0.00 0.00 Slope (° } = 0.51 0.00 0.00 0.00 N Value a .013 .000. .000 .000 Orif. Coeff. = 0.60 0.00 0.00 0.00 Multi -state = n1a No No No Stage (ft) 3.00 400 1.00 0.00 0.00 3.00 Total 0 6.00 9.OD Weir Structures [Al [13] [C] [01 Crest Lon (ft) = 5.00 16.00 0.00 0.00 Crest El. (ft) = 52.50 53.50 0.00 0.00 Weir Coeff. = 3.33 3.33 0.00 0.00 Weir Type = Riser Rect --- Multi-Stage = Yet No No No Exflltration - 6.570 inlhr (Contour) Tailwater Elev. = 0.00 ft Note: CulveMOrlrioe outflows have been ene"d under inlet and.oullet control. Stage./ Qlscharge Stage (it) 3.00 2.60 1.00 0.00 12.00 15.00 18.00 21.00 24.00 27.00 30.00. Imscharge (cfs) 20 PROJECT:. PROJECT NO.: DESCRIPTION: Post DevekrPment C AM 1 A ac t Dwdka&Drive _42LS20204 zos 0.40 0.08 2 Sidewalk 9 Street&Go6er OAS wf 022 4 Grass =5 25,097 0.60 5 _. 6 wdghwd c D.sa 14 Total Area ImpoMous Area 3T 0.74 Percent hopordous 55.4't r s of s DESIGN W. APL CHECKED BY LSM Qc CIA 1=T2bft C=VYIatihwC A=TddamkkacFes Vbhx Runotfto be ConboDed Fran 1S N= tsbnpb WOOL Scheeler) RV.0 Og*p,00M i= 55.4 Peleard knpervlM Rva QM Runoff Coeffide rt VWReAd P= f 5 iR Defto Reid V= 9A92 MA VbMrrrsToBeTWWA V= 4009 VbkvM To BsTre" A= 2.1941e AmmdTawdm d0Sd= pa 1AO s Pool Depth 271.94 V= 6 t fe VdemeerTnawmd 46AD It Send HIoh VJWm Takte 9ae®fwr 49A0 9 Bdkm dTredwmd om" 50.602 VAdwSdawEkpwg w Drawdowa CatrnWluu V= 4008 tt' Wwm To Bs Dram Dover A= Z194 tla Aieao!Treelment0avb3 k= 5.71 LOW Mad RestricUm ir7fi' ,&on Rds t= 5 hm.. Droplown Tana t 0_t dWs Pond Report. 22 Hydraflow Hydrographs by Intelisolve Tuesday, May 6 2008, 136 PM Pond No. 5 - Infiltration Basin 7E' Pond Data Pond storageis based on known Contour areas. Average end area method used. Stage / Storage Table. Stage (ft) Elevation (ft) Contour area incr. Storage (tuft) Total storage (cult) 0.0.0 49.00 2.194 0 0 1_00 50.00 2.790 2,492 2,492 1.25 60.25 2,949 717 3,209 1..5.0 50.50 3,110 757 3,967 1.60 56.60 3,176 314 4,281 1.76 50.75 3,2.75 484 4,765 2.00 51.00 3,444: 840 5,605 3.00 52.00 4,155 3,800 9,404 Culvert I Orifice Structures [A] [B] [C] [D] Rise (in) = 15.00 0.00 MOD 0.00 Span (in) = 15.00 0.00 0.00 0.00 No. Barrels = 1 0 0 0 Invert El. (ft) = 49.60 0.00 0.00 0.00 Length (ft) = 73.00 0,00 0.00 0.0.0 slope (%) = 0.66 0:00 0.00 0.00 Ni Value' = .013 .000 .000 .000 Orlf. Coeff. = 0.60 0.00 CIA 0.00 Multistage = nfa No No No Stage (ft) 3.00 2.00 1.00 Q.co o:00 1.00 Total Q Weir Structures [A] [B] [C] [D] Crest Len (ft) = 5.00 15.00 0.00 0.00 Crest al. (it) = 50.60 5'1.75 0,00 0:06 WeirCoeff. = 3.33 333 0.00 0.00 Weir Type = Riser Rect -- Multi-Stage = Yes No No No EAltration = 0.600 inthr (Contour) Tailwater Elev. = 0.00 ft Note: CuWarMririce ouffimn have been sm"d under inlet and outlet control. Stage I Discharge 2.00 3.00 4.00 5.00 6.06 Stage (ft) 3.06 2.00 1.00 0.00 7.06 Sa10. 9.00 10.0D 1.1.0D 1Z.00 13.00 14.00 Discharge (cfs); CEQTECHNICAL REPORT at Tuft Qwk ENVIRONMENTAL SERVICES. INC. 524 S. NEW HOPE ROAD RALEIGH, NG'RTH CAROLINA V610 919-21Z-1760 + FAX 919 212-17C)7 www.enviroomentatservicesinc.com 22 November 2006 IVMr..Everett Gupton, E.I. Cavanaugh & Associates, P.A. 130 north Front Street, Suite 202 Wilmington,,NC 29401 Ike. Turtie Creek Pleases 3-7 ESI Project # ER06-043.04 Soil Evaluation Pender County, North Carolina Dear Mr. Lupton: During August through October 2006, Environmental Services, Inc., (ESO conducted soil evaluations for thirty areas proposed for stormwater disposal within Phases 3-7 of the Turtle Creels project located scar Surf City; Pender County, North Carolina; This evaluation included the advancement of Band -aver borings throughout the site in areas previously deternivai tv b¢ non jurisdictional upland areas. These evaluations included determining the depth to seasonal high water table (SHW'T) as well as a determining infiltration rates by conducting in sitar satunited hydraulic conductivity (lam,) bests at twenty-six of these locations. Available information reviewed prior to the field investigation included the U S. Deparmnent of Agriculture Soil Sia-t r of Pender County, North Carolina and the. United States Geological Survey (USGS) 7.5-minute topographic quadrangle (Holly Ridge, NC). The. amass of the site evaluated are mapped as Kureb fine sand (KuB), Leon fine sand (LnA). Mandarin fine. sand. (Ma)6 and Onslow Loamy fine sand (On) based on the Soil Survey of Pender County, N n k Carolina. Soil: Evaluation,. Soil borings were advanced to a depth of greater than 60 inches below the ground surface (BGS) Whem passible within the proposed stormwater disposal areas withintI1e project site. The borings were characterized for the following criteria: texture; color; structure; soil depth; depth and thickness of any restrictive horizon(s) if present; depth (if present) of a SHWT; and topography and landscape position. Onslow loamy fine sand Portions of the soils evaluated within Phases 3 through 5 are generally similar to the Onslow loamy fine sand scrics. The surface horizons extend to a depth of 10 inches BGS with textures generally consisting of fine sand. Soil structure vt ithin the surface horizons is generally weak medium granular. The subsurface horizons extend from depths ranging from 10 inches to greater than 60 inches BGS with textures generally ranging from sand to sandy clay loam. Soil structure within the subsurface horizons ranngos from weak fine subangular blocky to massive. litestrietive horizons were not observed between: within 60 inches of the soil surface at the areas evatuated. Evidence of a SHWT was observed; from a.. to 34 inches BGS. Topography within these areas is go ncrally flat with slopes ranging from 0Ao 3%6. ]Acxsoi4vj L • 3T. AUGL'sVNE • COMA • JUPITER - t3 TIN 8 SAVANNAH - A7LANtA 0 RAi=n • CHARLOTTE v AsImIl S EXIMONAtENTAL SEti.Ytt-:ES, INC. Turtle. Cheek Phases 3-7 Soil.Evaltion; 22 November 2006 Page 2 of 4 Mandarin fifte said Portion of the soils evaluated within Phases 6, 5 and 7.wom gmeni ly similar to the Mandarin fine' sand series. The surface horizons extend to a. dWth of 6 inches BGS with tatures SPOMHY consisting of ROO sand. Soil shmotu re within the sure hW&M is ga' stage& gmmed. The subsurface hm-ouhs extend fiotn a depdr of 6. inches BGS to depths r0girtg f um 18 to 20 melees BGS with t=tu res geumaW is ft of.. foxes sand., soil structhme wain the sW=rfi= ho€ixo ns is ameraRy single grained:. Ilm upper subXH harizous extend fvep depths of IS to 20:inches: BGS in depths ranging fiom 36 'to 42 inch BGS with tcatww generally consisting office surd tQ. sand inchhdihlg w t�,' r cep f[e srandL gal srrnetmre within ttre upper subsoil is gaftemlly massive. The is r subsurface horizons aftad fivm ths depranging horn 36 to 42 Wches iBGS to depths thmr 60 hkcbw BGS with ftIum generally consis6 g of fine sand to sand: soil structure within the subsurbw badmous is SMCMUY fine sand. Rive bans were not observed within 60 incUs; of 60 sail surf = at the amens evah Wb& Evidence of a. MWf vase observed fiom. 26 to greater than 44 inches BGS. Topoghaphy wiithia d►ese areas is generally fWwith slopes ranging fiom 0 to 3W T.eOII fiche Sand P'ixtiow of the sods evaluated within Fbasc&7 am gowally sunibrr to the to fine sand series. Portions of *0 sons ovalasfed within ftam 4 and 5 appear m die wWM IhO bmwitim ZQRe from MmdwiR 110 Leon. Thu; surface horizon wead to a depth of 6 incbes BGS with texturcs gmuft consisting of fire sand to samW. Soil sh'Eccshare .wither the s7nrfat a horizons is generallY single pined. The snbsur roe hormone ex6end. fi om. depths. of 6 inches to depths of 16 to 22 .ink ." with *At urs 8CIWWlY consisting of fits sand to sand. Tho tourer po�as of due subw face hmiaons coatrun of Y c . fine saki. Sod MUChKO wKhm the .subsu rkee, hothm ns is gwaallY single gamed to massive. The subsoil.`horizons extend: flout deptt of 16 to 22 inches BGS to depths g than 60 inches BGS whh gmendly cogmsfmg of fiche sand lb sand: Layers of weakly wed Tine sand are pent within ft subsoil horizons. Soft *act= within the suAWd horMMS IS generally single grained to wive. Reshicsive horizpmwem observed at depths .ranging &an 16 to 22 inches of the soil sutfaoe at the a- s Mhigjd Evida= of a SRWT was obscrved ass their 12 inches BGS. Tap ► wiEdtiQ thM WM. is generally fiat with slopes ring frora.0 tot 2%. h iltratrM Rates. 1nrift rags vmew measmed at twen"ix locadims on 60 project site: 1", measaretrrents were conducted a vOmpeat constant head. petmeammer (cchp). TbeSc its were coliuctel at soil depths r LI&g fib 10 inches to 29 inches BGS. 'The met 10CM1 rrs were areas that.mar be olemtiall + used for waskmater infiltration basins: andfor stotmwateir infiltration devices. A detailed sail profile description was completed at each test. location.. The ki-sau Kw Wues. were calcuiaWd bayed on field measurements using tire Glover Win. K,, measurements ranged: tom. o.36 ir>c hou7r (Wk) to 9.43 Wtur [5.38 gallonsldltylquare %ot (WdW) to 141.04 gpdfO: Table 1 summarizes. the in -situ Kw its,for each location and includes: location; soil scrim depth io SRWT; Acpth and horizon of conductivity test and conductivity measurement at each location: ENVIRONMENTAL SERVICES. INC. Turtle Creek phases 3-7 Soil Evaluation 22 November 2006 Page 3 of 4 'rahle t Cn11 T2nrintr TnfnrmAYinn nevi %H-eitzj 4AEtlisted liydraulte Coi dud-dvit Migaumments+ Soil Boring and/or Condactift Test Number Soil Series Present Depth to Seasonal High Water Table inches SG S Depth/Rorizan (inches BGS) Result gpdfft hOw KAS 3-1* onslow _ 34 29Bt. 59.97 4.01 3-2* onslow _ 26 2 lst K� I 6.46 K 3-3* Onslow 26 2918t 25.70 1.72 3-4* onslow 26 21,/Bt 94.78 634 3-5* Ouslow 26 281B.t: 100.25 6.70 SB 3-6* onslow 30 N/A MA NIA SB 3-7* Leon 18 N/A NIA NIA RS-1+ Onslow 26 N/A • NIA NIA RS-2+ onslow 35 NIA MA NIA RS-3+ onslow 22 N/A MA. NIA Km 44* Onslaw 24. 19111 628. 0.42 4-2* Onalowmeon 18 11. 20.34 1.36 4:3* Mandarin 32 24 i 2L63 1.51 4-4** Mandarin 44 11 5.60 0.37 s-I** Mandarin .36 14 E 6.8 0.42 Kat 5-2* Mandadn/Leon 26 R 13 26.67 1.78 X. &I onslow 28 1.6 S.3S 036 KIM 6-2 Kareb 36 24 86.58 5.79 6 Kureb 36 16 11814E 7M. K 6-4 Kureb 16. 23 _' 9.03 0.60 Kut &S onslow 30 23 7.67 0.51 6-6: Kureb 31 14 24.33 1.63 K 6r7 onslow 34 12 1093.1 7.31 Xa 7-1** Leon <12 N/A NIA NIA Km 7.2** Mandarin 36 15 95.82 6.41: Kut 7-3** Leon <12 14 85.43 5.71 K 7.4** Leon 12 13 90.66 6.06 7-5** Mandarin 28 12 65A 4.40 IC 7-6** Mandarin 26 10 98.10 6.56 Ks417-7** Mandarin 24 13 98.21 K 7-8** Mandarin 24 11. 141.04 .9A3 Kmt 74** Leon <12 10 129.61 8.66 A 1**+ Mandarin 30 NIA N/A MA "Denotes SHWT depths approved by NCDENR personnel On 15 August 2006. **Denotes SHWT depths approved by 9CDENR personnel on 16 November 2006 -+-Denotes s,,ll bor ►ap or�l3r, Ks"-, test bane• not 'seen conducted: at theselocations as of the submittal of it is evaluation. E\LT'kruzoN,,4rNTAL- Si:mricEs, Lmc Turtle C-teek Phases 3-7 Soil, EvaluatiQll 22 1,1ovember 2006 Page 4 of 4 An o"te, soil evakuWw was cwAuated an 15 August 2W6 and 16 November 2006 with Mr. Vincent I z" o s of !he N.C. Dqmr.'knent of Envirrop-megt md, N-ahjr-d ftwaymem (NC`DENR) — Division of Soil and Water Cousavation. The SRWT depth.% as approved by Mr. Lzwk am listed and de;toUd separawly abo" in Table 1. -fhremaining MRW dqft have not bew approved by NCDENR as of the submittal of Ilds ovaluefica. EST evaluated soil bodap at dft locafions and conducted saftraftd . hydraulic condadh* UsIs in Liventy-six locations in areas proposed. foie SkKW*dW infiltm.flon davices. Evidence of SHWT was observed withm" 12 incilm of the soil uuf=. to greater than 44 inches BGS widkin the areas evalumed. K., measurements ravVd fimn 0.36 is1hr to 9.43 kft (538 gpdW 10 14.1.04 UA&). Thank you for allowing ESI to be of senrice, to COmaugh & Assodafts6 P.A. Please call me if you have my quesfions, SinCC:*- ENVOLONMENTAL SERVICES, INC. senkir sciedit Auadmaeum Safi BaRand Kw test Wcaim map ,'< � ♦< h ,•ram ,, j ig ►, , ON • � fi-�� "iy �✓✓ /' t. ; ' = r . � �,.. "icy'...• f i � 9R:1 s*�� S ' vt1 wv �,e. -. r .r�.� SS ri .t i� t►��f �R �j .ir•'R+,`y': �!. ,�" t 7L��y. {.• :�i � �r•.i .►4►� yr\ � .4+ L ,, �, ;`,,:� •! •'� �,X�asF'� �l �' � r1 ._ � •' fir^ - a:,} •"• +�.� -�� �}�ti: . �,,1�, � �'' [ �.tt• • ! _� ,`i ,. ��i�t+Y' ''t �rai ,�. '•t ;4�. :1,�;''.. Unto+• �l� ti• ,ice' f�'� � s:4 � (�� - _+. -� t' l�l***��Yi,� a•"yy�"�"�, +'t 7 � r, Y" L�4 �: ,• f' �'p.' � T + Y. •^' :l�- �• �y ''�� .r li. ;04 W.v. ~i fool 4R�i _ a' �N��fi:V+aS .. r. �; +--•"�Ir•k phi , ,"�. F��• rx '4 4-2 1w-. 4 r ,` , • ' � •ram ,�, { r �i � ��'� �.�� f. { a�.d r •ti .-•��•±I` '�''i: r- .�^ :* �,, r'•y�",�t4��; '�r�!€i'•rr;•.:--;- ' - -r�'F r! ..ti ,K •.• fr .'�lf,.'.sy.. n, Y' 1;�'k•'.. .{ irr •'� s ^' , !Rj �[t';f "•i�:•„` 4� -• .. ;��.. .'fefF4 tf skr•R; IL I� r • r r 1 ° r'� +y � .7� �r , s' • ` ' � rhays `. : * Y r ; i PiWAY Bntnttlaiy i�.1 ttatuomnMo Phew iu r 5 8ounda[y + Sol Going Lmatiun { _ K•ssi ToM and $o l a ..- ..;"J•.: ..'i jam. L_ ;l. x. . . , .�. E.1} e::, :.r�:,:•1•..a/-;;�- �.,� �ry - •+' � -,+. '��,� 'fix x r.. �.., �.� '%sa,- ;.r • v' � ; �'' � • •.n it T�' L'V\IRU\Y1RN1'\L ERalS6�3A>F K-sai Test and Sod Boring LOcwWS Row, lox Turtle Croon Phases Ill-Vil Soil Evaluation Ponds County. North Caro"ma Fiqurx. 1` 6tjj'�0V601 TFIE VILLAGES AT TR"w TOWN OF SURF CITY, PENDER COUNTY, NORTH CAROLINA PHASES 6 & 7 STORMWATER MANAGEMENT HIGH DENSITY PERMIT APPLICATION SUPPLEMENTAL REPORT MAY 6, 2008 CAVANAUG Solutions through integrity and partnership We provide superior client service and env! designs through integrity, communication and partnership. Consulting Engineers Environmental Professionals Land Surveyors Design Professionals 530 North Trade Street, Suite 302, Winston-Salem, North Carolina 27101, Phone 336/759-9001 ; iAY 1, Z00� Narrative I. Site Description 'tie subject development, formally identified as The Villages at Turtle Creek, is located in the Town of Surf City, Pender County, North Carolina. The 248.2 (+/-) acre property has frontage along NC 210 and US Highway 17. Please note that the site will be permitted and constructed in multiple phases. Phases 6 and 7 have a limit of disturbance of approximately 39.8 acres and an assessed drainage area of approximately 27 acres. The site is currently undeveloped and heavily forested with Army Corp of Engineer approved 404 wetlands located throughout the property. Currently, the site drains by way of overland flow through the wetlands for ultimate discharge to Becky's Creek. Becky's Creek has a watershed classification of SA:HQW as confirmed by DENR-DWQ on July 24, 2006. The property can be described as mildly sloping, with an average slope of approximately 1.0%. The. elevations throughout the property range from 9 ft mean sea level (MSL) near the wetlands to 65 ft MSL towards US 17. It is important to note that the area proposed within Phases 6 and 7 ranges in elevation from 63 ft MSL to approximately 37 ft MSL. The geotechnical site review conducted by an independent soil scientist found seasonal high water table elevations (SHWTE) ranging from less than 12 to 60 inches below ground surface (BGS) in these phases. Estimated infiltration rates between 0.36 in/hr and 9.43 in/hr were determined by the soils evaluation. It. Project Description Phases 6 and 7 of this multi -phased development consist of the construction of a portion of the subdivision containing 183 townhomes. These phases will include approximately 304,422 W of dwelling and driveway area, 58,752 W of sidewalk area, and 302,253 if of street and gutter area. Pursuant to the watershed classification of the site, High Quality Waters: SA (HQW:SA), the project will employ infiltration type best management practices (BMPs). Specifically, nine (9) infiltration basins are proposed. Stormwater from the tributary drainage areas, as identified within the submission documents, will travel by sheet and shalloww concentrated floww to a series of. flat grate curb. and yard inlets for eventual discharge to the nine (9) proposed stormwater management basins. Stormwater will be collected and conveyed from these.inlets through a series of HDPE egg RCP: The ✓ hges at Turtle Creek 2 of 5 Stormwater Management High Density Penn? Application * TOTAL DRAINAGE AREA: 1.167.075 ft2 = 26.79 acres = 27.0 acres Impervious Areas (Project Built Upon Area — BUA) Dwellings and Driveways: 304,422 ft2 = 6.99 acres Sidewalk: 58,752 ft2 = 1.35 acres Street and Gutter: 302,253 ft2 = 6.94 acres Calculation 6.99 + 1.35 + 6.94 acres = 15.28 acres impervious 15.28 acres (Impervious)/39.81 ac. (Total LOD) = 0.3838->38.38% Project BUA III. Stormwater Management Plan Collection and Conveyance: The residential lots, roads and streets will be graded so that runoff enters the stormwater management system by way of sheet flow over the residential lots and roadway system and shallow concentrated flow within the valley curb to the curb and yard inlets. From these inlets, the stormwater will be conveyed by way of the aforementioned HDPE & RCP for discharge to the nine (9) strategically -placed stormwater management basins. Please note, runoff from the rooftops will be collected by down spouts and directed to the right-of- way, as specified within the notes, where the runoff will then enter the stormwater management system. Yard inlets will also be utilized where necessary to collect runoff in the grassed and.landscaped areas. Treatment: The project site is located in a coastal county and within 1/2 mile of SA:HQW waters. Therefore, the project requires stormwater to be treated with an infiltration type system. After discussions with NCDENR-DWQ's staff, it has been determined that the best option for stormwater treatment for this project is infiltration basins. The SHWTE :investigation confirmed that the proposed locations of the nine (9) infiltration basins are appropriate for this type of BMP. The nine (9) proposed locations had SHWTEs of 24 and 44 inches BGS. Basins 6A, 613, 6C, 6D; 7A, 713, 7C, 7D and 7E are infiltration basins designed to treat the first 1.5" of rainfall runoff. "Off-line" bypass systems will divert excess runoff from large storm events to the wetlands. Rip. rap aprons. will. be used to dissipate the velocity of the incoming runoff, and level epreaders will be used to prevent chann.elized flow at the entry points to *the basins as well as at the bypass box discharges. Level spreaders will be used, in addition to the: riprap. apron, to discharge runoff in excess of the 1.5" volume into the existing 404 jurisdictional. wetlands for the basins. In addition, basin 6A, 613 & 7A soils will be rho Villages at Turtle Greek 3 of 5 Stormwater Management High Density Permit Application excavated to the SHWTE and backfilled with suitable infiltrative soils to increase infiltration rates in the basin location. Using the computer program Hydraflow, the runoff potentially generated for Phases 6 and 7 in their natural state (pre -development) during a 10-year storm was modeled and equals approximately 40.5 W/s. The runoff generated in the post -development scenario for Phases 6 and 7 that will be routed through stormwater ponds was also modeled for a 10-year storm and equals approximately 2.60 W/s. Therefore, the flow was reduced from the pre - development scenario to the post -development scenario by 37.81 fig/s for a 1.0- year storm. The modeling results are shown in the Appendix. The proposed stormwater management system has been designed in accordance with i CDENR requirements and will not adversely affect any downstream drainage patterns. IV. Above - Ground lnffitration Basin Maintenance Agreement 1. Stormwater management facilities shall be regularly maintained to ensure they function at design capacity and to prevent health hazards associated with debris build-up and stagnant water. The privately -owned portion of the system must be privately maintained. 2. Responsibility for operation and maintenance of stormwater facilities, including periodic removal and disposal of accumulated particulate material and debris, but not limited to the following:'visual inspection of all system components at least twice each year; vacuuming of all storm sewer inlets once every six months (frequency of vacuuming may be adjusted to once a year if first year maintenance records indicate that sediment and debris accumulation is insignificant); reverse flushing, and vacuuming if system inspections indicate significant accumulation of sediment in the pipes.; and periodic removal and disposal of other material and debris shall remain with the owner or owners of the property, with permanent arrangements that shall pass to any successive owner, unless assumed by a governmental agency. 3. In the event that the facility becomes a danger to public safety or public health, or if it is in need of maintenance, the owner shall effect such maintenance and repair of the facility in a manner that is. approved by the township engineer or his designee. If the owner fails or refuses to perform such maintenance and repair, the municipality may immediately proceed to do so in accordance with the maintenance bond. The Villages at Turtle Creek 4 of 5 Sbrmwater Management Hqh Density Pem71f Apphmtian V. Construction Schedule 1. Perform construction stake out. 2. Install temporary gravel construction entrance. 3. Clear site, but do not grub. 4. Install all erosion and sediment control measures. 5. Grub site. 6. Construct sediment traps. 7. Commence rough grading of the site. 8. Install stormwater management appurtenances inclusive of infiltration basins. 9. Construct sewer collection system. 10. Construct water system. 11. Rough grade the site. 12. Shape shoulders and cut -and -fill slopes. 13. Scarify, seed, fertilize, and mulch all disturbed areas. 14. Install dry utilities (electrical, fiber-optic, cable, phone, etc.). 15. Re -scarify, re -seed, re fertilize and mulch all disturbed area. 16. Construct roadbed base course and intermediate asphalt course. 17. Apply final asphalt course. 18. After disturbed areas are stabilized with vegetation, the contractor shall return to the site and remove all temporary erosion control measures. Vl. Vegetation Plan 1. The contractor shall provide seeding and mulching on all disturbed areas within fifteen (15) working days following the completion of any phase of grading. Seeding requirements shall include soil preparation, seed mixtures, and mulching. 2. Contractor shall provide sod cover on all areas or comply with permanent seeding schedule.. The Villages at Turtle Creek 5 Of 5 S annwater Management High Density Permit Application RE: Turtle Creek- Phase 6 & 7 Subject: RE: Turtle Creek- Phase 6 & 7 From: "Eric Seidel"<eric.seidel@cavanaughsolutions.com> Date: Mon, 28 Apr 2008 12:54:07 -0400 To: "Janet Russell" <Janet.Russell@ncmail.net> CC: "Steve Moore"<steve.m.00re@cavanaughsolutions.com>, "Amanda Loftis" <amanda.loftis@cavanaughsolutions.com>, "Tom Miner" <TMiner@dilsheimer.com> Janet, We confirm the express review date of May.8th at 10:00 AM. Please let me know if you need anything else sent over before the scheduled meeting. Thanks. Eric Seidel -----Original Message ----- From: Janet Russell[mailto:Janet.Russell@ncmail.net] Sent: Friday, April 25, 2008 10:16 AM To: Eric Seidel; tminer@dilsheimer.com Subject: Turtle Creek- Phase 6 & 7 April 25, 2008 *Turtle Creek - Phase 6 & 7* Gentlemen: The Express stormwater submittal meeting has been scheduled with *Linda Lewis on May 8, 2008 at 10:00 AM* here in the Wilmington Regional office. The applicant is required to attend the meeting . Please review the attachment, "submittal requirements", in preparation for the meeting. Please respond within 2 business days to confirm and reserve the submittal meeting date. If this date or time doesn't work, let me know. Thanks, Janet Russell Express Coordinator 1 of 1 4/28/2008 12:56 PM Turtle Creek Phase 6 & 7 Stormwater Express Review Request Subject: Turtle Creek Phase 6 & 7 Stormwater Express Review Request From: "Eric Seidel" <eric.seidel@cavanaughsolutions.com> Date: Thu, 24 Apr 2008 15:29:29 -0400 To: "Janet Russell' <Tanet.Russell@ncmail.net> CC: "Steve Moore"<steve.moore@cavanaughsolutions.com>, "Tom Miner" <TMiner@dilsheimer.com>, "Amanda Loftis"<amanda.loftis@cavanaughsolutions.com> Janet, Please find the attached Express Review Permit Request Package for Turtle Creek - Phase 6 & 7 Stormwater Management Plan. After speaking with all involved parties, we would prefer Tuesday, May 6th. We understand May 6th may not be possible, so please schedule us in as soon as something opens up. Thanks for the help. Please let me know if you need anything else sent over. Eric A. Seidel, E.I. Cavanaugh & Associates, P.A. 130 North Front Street, Suite 202 Wilmington, NC 28401 (910) 392-4462 ext.236 tel. (910)392-4612 fax Content -Description: Turtle Creek Overall Site Creek Overall Site Plan.pd Content -Type: application/octet-stream Content -Encoding: base64 (Turtle Creek Phase 6&7 - Express Turtle Creek Phase 6&7 N Content -Description: Turtle Creek Phase 6&7 - Express Request.doc Content -Type: application/msword Content -Encoding: base64 Content -Description: Turtle Creek Phase 6&7 Nanrative.doc Content -Type: application/msword Content -Encoding: base64 Content -Description: Vicinity Map_3_25_08.pdf Map_3_25_08.pd Content -Type: application/octet-stream Content -Encoding: base64 1 of 2 4/24/2008 5:58 PM T_T_JR EC REEl TOWN OF SURF CITY, PENDER COUNTY, NORTH CAROLINA PHASES 8 & 7 STORMWATER MANAGEMENT HIGH DENSITY EXPRESS PERMIT REQUEST NARRATIVE April 24, 2008 CAVANAUGH Solutions through integrity and partnership We provide superior client service and environmentally sound designs through integrity, communication and partnership. Consulting Engineers Environmental Professionals Land Surveyors Design Professionals 530 North Trade Street, Suite 302, Winston-Salem, North Carolina 27101, Phone 336/759-9001, Fax 3361759-1005 ® E G Jr E APR 2 4 2008 TABLE OF CONTENTS PAGE I. SITE DESCRIPTION 2 II. PROJECT DESCRIPTION 2 III. STORMWATER MANAGEMENT PLAN 3 IV. ABOVE -GROUND INFILTRATION 4 BASIN MAINTENANCE AGREEMENT V. CONSTRUCTION SCHEDULE 4 VI VEGETATION PLAN 5 E C E i V E D0 �a APR 2 4 �w�,$ PROJ # DWQ The Villages at Turtle Creek I Stormwater Management High Density Permit Application Narrative I. Site Description �j ECEIVEDD APR 2 4 2008 DWQ The subject development, formally identified as The Villages aP:YJr t7_e1r s located in the Town of Surf City, Pender County, North Carolina. The 248.2 (f/-) acre property has frontage along NC 210 and US Highway 17. Please note that the site will be permitted and constructed in multiple phases. Phases 6 and 7 have a limit of disturbance of approximately 39.8 acres and an assessed drainage area of approximately 27 acres. The site is currently undeveloped and heavily forested with Army Corp of Engineer approved 404 wetlands located throughout the property. Currently, the site drains by way of overland flow through the wetlands for ultimate discharge to Becky's Creek. Becky's Creek has a watershed classification of SA:HQW as confirmed by DENR-DWQ on July 24, 2006. The property can be described as mildly sloping, with an average slope of approximately 1.0%. The elevations throughout the property range from 9 ft mean sea level (MSL) near the wetlands to 65 ft MSL towards US 17. It is important to note that the area proposed within Phases 6 and 7 ranges in elevation from 63 ft MSL to approximately 37 ft MSL. The geotechnical site review conducted by an independent soil scientist found seasonal high water table elevations (SHWTE) ranging from less than 12 to 60 inches below ground surface (BGS) in these phases. Estimated infiltration rates between 0.36 in/hr and 9.43 in/hr were determined by the soils evaluation. II. Project Description Phases 6 and 7 of this multi -phased development consist of the construction of a portion of the subdivision containing 183 townhomes. These phases will include approximately 304,422 ft2 of dwelling. and driveway area, 58,752 ft2 of sidewalk area, and 302,253 ft2 of street and gutter area. Pursuant to the watershed classification of the site, High Quality Waters: SA (HQW:SA), the project will employ infiltration type best management practices (BMPs). Specifically, nine (9) infiltration basins are proposed. Stormwater from the tributary drainage areas, as identified within the submission documents, will travel by sheet and shallow concentrated flow to a series of flat grate curb and yard inlets for eventual discharge to the nine (9) proposed stormwater management basins. Stormwater will be collected and conveyed from these inlets through a series of HDPE & RCP. * TOTAL DRAINAGE AREA: 1 167,075 ft2 = 26.79 acres = 27.0 acres The Villages at Turtle Creek 2 Stormwater Management High Density Permit Application Impervious Areas (Project Built Upon Area - B0�- Dwellings and Driveways: 304,422 6.99 acres Sidewalk: 58,752 ft2 = 1.35 acres Street and Gutter: 302,253 ft2 = 6.94 acres Calculation 6.99 + 1.35 + 6.94 acres = 15.28 acres impervious 15.28 acres (Impervious)/39.81 ac. (Total LOD) = 0.3838438.38% Project BUA III. Stormwater Management Plan Collection and Conveyance: The residential lots, roads and streets will be graded so that runoff enters the stormwater management system by way of sheet flow over the residential lots and roadway system and shallow concentrated flow within the valley curb to the curb and yard inlets. From these inlets, the stormwater will be conveyed by way of the aforementioned HDPE & RCP for discharge to the nine (9) strategically -placed stormwater management basins. Please note, runoff from the rooftops will be collected by down spouts and directed to the right-of- way, as specified within the notes, where the runoff will then enter the stormwater management system. Yard inlets will also be utilized where necessary to collect runoff in the grassed and landscaped areas. Treatment: The project site is located in a coastal county and within Y2 mile of SA:HQW waters. Therefore, the project requires stormwater to be treated with an infiltration type system. After discussions with NCDENR-DWQ's staff, it has been determined that the best option for stormwater treatment for this project is infiltration basins. The SHWTE investigation confirmed that the proposed locations of the nine (9) infiltration basins are appropriate for this type of BMP. The nine (9) proposed locations had SHWTEs of 24 and 44 inches BGS. Basins 6A, 6B, 6C, 6C, 7A, 7B, 7C, 7D and 7E are infiltration basins designed to treat the first 1.5" of rainfall runoff. "Off-line" bypass systems will divert excess runoff from large storm events to the wetlands. Rip rap aprons will be used to dissipate the velocity of the incoming runoff, and level spreaders will be used to prevent channelized flow at the entry points to the basins as well as at the bypass box discharges. Level spreaders will be used, in addition to the rip rap apron, to discharge runoff in excess of the 1.5" volume into the existing 404 jurisdictional wetlands for the basins. As well, Basin 6A, 6B & 7A soils will be excavated to the SHWTE and backfilled with suitable infiltrative soils to increase infiltration rates in the basin location. The Villages at Turtle Creek 3 Stormwater Management High Density Permit Application The proposed stormwater management system will be designed in accordance with NCDENR requirements and will not adversely affect any downstream drainage patterns. IV. Above — Ground Infiltration Basin Maintenance Agreement 1. Stormwater management facilities shall be regularly maintained to ensure they function at design capacity and to prevent health hazards associated with debris build-up and stagnant water. The privately -owned portion of the system must be privately maintained. 2. Responsibility for operation and maintenance of stormwater facilities, including periodic removal and disposal of accumulated particulate material and debris, but not limited to the following: visual inspection of all system components at least twice each year; vacuuming of all storm sewer inlets once every six months (frequency of vacuuming may be adjusted to once a year if first year maintenance records indicate that sediment and debris accumulation is insignificant); reverse flushing and vacuuming if system inspections indicate significant accumulation of sediment in the pipes; and periodic removal and disposal of other material and debris shall remain with the owner or owners of the property, with permanent arrangements that shall pass to any successive owner, unless assumed by a governmental agency. 3. In the event that the facility becomes a danger to public safety or public health, or if it is in need of maintenance, the owner shall effect such maintenance and repair of the facility in a manner that is approved by the township engineer or his designee. If the owner fails or refuses to perform such maintenance and repair, the municipality may immediately proceed to do so in accordance with the maintenance bond. V. Construction Schedule 1. Perform construction stake out. 2. Install temporary gravel construction entrance. 3. Clear site, but do not grub. 4. Install all erosion and sediment control measures. 5. Grub site. 6. Construct sediment traps. 7. Commence rough grading of the site. 8. install stormwater management appurtenances inclusive of infiltration basins. 9. Construct sewer collection system. 10. Construct water system. 11. Complete rough grade of the site. 12. Shape shoulders and cut -and -fill slopes. 13. Scarify, seed, fertilize, and mulch all disturbed areas. 14. Install dry utilities (electrical, fiber-optic, cable, phone, etc.). The Villages at Turtle Creek 4 Stormwater Management High Density Permit Application 15. Re -scarify, re -seed, re -fertilize and mulch all disturbed area. 16. Construct roadbed base course and intermediate asphalt course. 17. Apply final asphalt course. 18. After disturbed areas are stabilized with vegetation, the contractor shall return to the site and remove all temporary erosion control measures. VI. Vegetation Plan 1. The contractor shall provide seeding and mulching on all disturbed areas within fifteen (15) working days following the completion of any phase of grading. Seeding requirements shall include soil preparation, seed mixtures, and mulching. 2. Contractor shall provide sod cover on all areas or comply with permanent seeding schedule. The Villages at Turtle Creek $ Stormwater Management High Density Permit Application Wk- THE VILLAGES AT r JRTLECREEK TOWN OF SERF CITY, FENDER COUNTY NORTH CAROUNA �7, MANHOLLOW CHURCH,..... ` _,� ,�• s .... ROAD` 72T US 17 V - � .. 4 t •trrr.-- 1 •r � fg k. APPROX. PROJECT tjLOCATION :y n •'". � 'fly PROJECT •- • PROJECT NAME LATITUDE: 340 27' 21.52" N LONGITUDE: 770 34' 52.00" W QUAD #: HOLLY RIDGE QUADRANGLE STREAM CLASS: SA; HQW RECEIVING STREAM: BECKY'S CREEK BASIN: CAPE FEAR STREAM INDEX: 18-87-8 CAVANAUGH SmW"00p00h kY 2*mndpl4nMhip 60 Cewne 0 d 14-.J fes, P.A lW N. ftW &W 3at S ft 202 *M-kW , NC 2&707 870IW2-44UQx;9701=.M72www. rmghwWM .e CREEK^` ATKINSON LOOP ROAD i � � . r ;ids-3✓; r', ram`, i . �L. �� ..F �. FACILITY LOCATION NOT TO SCALE t� North Carolina Department of Environment and Natural Resources — GRIAV. Request for Express Permit Review NCDENR For DENR Use ONLY Reviewer: Submit 54-o8 Time: 10'am Confirm 4 - 28'o8 N�Ikv FILL-IN all the information below and CHECK the Permit(s) you are requesting for express review. FAX or Email the completed form to Express Coordinator along with a completed DETAILED narrative site plan (PDF rile) and vicinity map (same items expected in the application package of the project location. Include this form in the application package. • Asheville Region Alison Davidson 828-296-4698;alison.davidsonO-ncmail no • Fayetteville or Raleigh Region -David Lee 919-7914203; david/ee(ftcmail net • Mooresville & -Patrick Grogan 704-663-3772 or patrick arogan0ncmall.net • Washington Region -Lyn Hardison 252-946-9215 or lyn.hardisonOncmailnet • Wilmington Region -Janet Russell 910-350-2004 or janetrussell®.ncmail.net NOTE. Project application received after 12 noon will be stamped in the following work day. Project Name: rTHE VILLAGES AT TURTLE CREEK-- PHASE 6 & 7, County: PENDER Applicant: Tom Miner (Representative) Company: DCNC North Carolina I. LLC Address: 401 CITY AVENUE City: BALA CYNWYD, State: PA Zip:19004-1150 Phone:610-617-9700 Fax:610-617-9933 Email: tminerCcD_dilsheimer.com Project is Drains into SA HQW waters Project Located in CAPE FEAR River Basin E C E I V IE Engineer/Consultant: Eric Seidel Company: Cavanaugh & Associates, PA D Address:130 N. FRONT STREET City: WILMINGTON, State: NC Zip: 28401 APR 2 4 2008 Phone: 910-392-4462 Fax::910-392-4612 Email: edc.seidelp_� avanaughsolutions.com DWQ (Check all that apply) PROJ # ❑ Scoping Meeting ONLY ❑ DWQ, ❑ DCM, ❑ DLR, ❑ OTHER: ❑ Stream Origin Determination: # of stream calls — Please attach TOPO map marking the areas in questions gRtate Stofaiwater ❑ General ❑ SFR, ❑Bkhd & Bt Rmp, ❑ Clear & Grub, ❑ Utility ❑ Low Density ❑ Low Density -Curb & Gutter _ # Curb Outlet Swales ❑ Off -site [SW (Provide permit #)] High Density -Detention Pond # Treatment Systems - 9 Y _ y Z High Density -Infiltration 9 #Treatment Systems [:]High Density -Bio-Retention _ # Treatment Systems ❑ High Density —Constructive Wetlands _ # Treatment Systems ❑ High Density -Other _ # Treatment Systems ❑ MODIFICATION SW (Provide permit #) ❑ Coastal Management ❑ Excavation & Fill ❑ Bridges & Culverts ❑ Structures Information ❑ Upland Development ❑ Marina Development ❑ Urban Waterfront ❑ Land Quality ❑ Erosion and Sedimentation Control Plan with acres to be disturbed.(CK # (for DENR use)) WETLANDS QUESTIONS MUST BE ADDRESSED BELOW ® Wetlands (401): Check all that apply Wetlands on Site ® Yes ❑ No Wetlands Delineation has been completed: ® Yes ❑ No US ACOE Approval of Delineation completed: ® Yes ❑ No 404 Application in Process w/ US ACOE: ® Yes ❑ No Permit Received from US ALOE I1Z Yes ❑ No Fee Split for multiple permits: (Check# Isolated wetland on Property ® Yes ❑ No Buffer Impacts: Z No ❑ YES: acre(s) Minor Variance: ® No ❑ YES Major General Variance ® No ❑ YES 401 Application required: ®Yes ❑ No If YES, ® Regular Perennial, Blue line stream, etc on site ❑ yes F No For DENR use only Total Fee Amount SUBMITTAL DATES Fee - ----- - -- ---------- - SUBMITTAL DATES Fee CAMA $ Variance ❑ Ma'; ❑Min) 1 $ SW ❑ HD, ❑ LD, ❑ Gen $ 401: $ LQS $ Stream Deter,_ $ North Carolina Secretary of State Page 1 of 1 North Carolina Elaine F. Marshall DEPAR iMENT OF THE ..: secretary �. ECRETARY O TATE �!'A S PO Bux 29622 Raleigh, NC 2762"622 (919)8C 7-2.900 CORPORATIONS Corporations Home Search By Corporate Name Search For New Corporation Search By Registered Agent Important Notice Corporations FAQ Homeowners' Association FAQ Tobacco Manufacturers Dissolution Reports Non -Profit Reports Verify Certification Online Annual Reports LINKS & LEGISLATION KBBE B2B Annual Reports SOSID Number Correction 2001 Bill Summaries 1999 Senate Bills Annual Reports 1997 Corporations 1997 Register for E-Procurement Dept. of Revenue ONLINE ORDERS Start An Order New Payment Procedures CONTACT US Corporations Division TOOLS F Secretary of State Home Secretary of State Site Map Printable Page Date: 5/16/2008 Click here to: View Document Filings I Sign Up for E-Notifications Print apre-populated Annual Report Form I Annual Report Count I File an Annual Report I Corporation Names Name Name Type NC Dilsheimer Legal Communities of North Carolina, L.L.C, Limited Liability Company Information SOSID: Status: Date Formed: Citizenship: State of Inc.: Duration: Registered Agent Agent Name: Registered Office Address Registered Mailing Address: Principal Office Address: Principal Mailing Address: 0757657 Current -Active 12/17/2004 Domestic NC Perpetual Corporation Service Company 327 Hillsborough Street Raleigh NC 27603 327 Hillsborough Street Raleigh NC 27603 2528 Independence Boulevard Suite 104 Wilmington NC 28412 2528 Independence Boulevard Suite 104 Wilmington NC 28412 http://www.secretary.state.nc.us/corporations/Corp.aspx?Pitemld=7309405 5/16/2008 %?r' SOSID: 757657 Date Filed: 12/17/200412:10:00 PM Elaine F. Marshall North Carolina Secretary of State C200435100458 State of North Carolina Department of the Secretary of State Limited Liability Company ARTICLES OF ORGANIZATION Pursuant to § 57C-2-20 of the General Statutes of North Carolina, the undersigned does hereby submit these Articles of Organization for the purpose of forming a limited liability company. 1. The name of the limited liability company is: Dilsheimer Communities of North Carolina, L.L.C. ./ If the limited liability company is to be dissolved by a specific date, the latest date on which the limited liability company is to dissolve (If no date for dissolution is specified, there shall be no limit on the duration of the limited liability company.) 3. The name and address of each person executing these articles of organization is as follows: (State whether each person is executing these articles of organization in the capacity of a member, organizer or both). Bonnie S. Sander, Organizer 1650 Arch Street, 22nd Floor Philadelphia, PA 19103 4. The street address and county of the initial registered office of the limited liability company is: Number and Street: 327 Hillsborough Street City, State, Zip Code: Raleigh. NC 27603 County:Wake The mailing address, if dffj`er ni from the street address, of the initial registered office is: 6. The name of the initial registered agent is: Corporation Service Company 7. Principal Office Information: (Select either a or b) a. XX The limited liability company has a principal office. The street address and county of the principal office of the limited liability company is: Number and Street: 401 City venue. Suite 710 City, State, Zip Code: Bala Cvnwyd, PA 19004 County: Mont og, %j The mailing address, ifdWeren1 from the street address, of the principal office of the corporation is: PHL:3047718. VDIL007-212831 b. The limited liability company does not have a principal office. 8. Check one of the following: (i) Member -managed LLC. all members by virtue of their status as members shall be managers of this limited liability company XX (ii) Manager -managed LLC: except as provided by N.C.G.S. Section 57C-3-20(a), the members of this limited liability company shall not be managers by virtue of their status as members. 9. Any other provisions which the limited liability company elects to include are attached. 10. These articles will be effective upon filing, unless a date and/or time is specified: This is the 16th day of December, 2004 Dilsheimer Communities of North Carolina, L.L.C. Bonnic S. Sander. Organizer Type or Print Name and Title PHUS047716.{ro1LW7-212831 - 2 - LIMITED LIABILITY COMPANY " ANNUAL REPORT NAME OF LI IITED LIABILITY COMPANY: Dilsheimer Communities of North Carolina, L.L.C. STATE OF INCORPORATION: NC SECRETARY OF STATE L.L.C. ID NUMBER: 0757657 NATURE OF BUSINESS: Land Developer REGISTERED AGENT: Corporation Service Company REGISTERED OFFICE MAILING ADDRESS: 327 Hillsborough Street Raleigh, NC 27603 SOSID: 0757657 Date Filed: 3/16/200511:28 AM Elaine F. Marshall North Carolina Secretary of State FEDERAL EMPLOYER ID NUMBER: - REGISTERED OFFICE STREET ADDRESS: 327 Hillsborough Street Raleigh, NC 27603 County: Wake PRINCIPAL OFFICE TELEPHONE NUMBER: 610-617-9700 PRINCIPAL OFFICE MAILING ADDRESS: 401 City Avenue Suite 710 Bala Cynwyd, PA 19004 PRINCIPAL OFFICE STREET ADDRESS: 401 City Avenue Suite 710 Bala Cynwyd, PA 19004 MANAGERSAVIEMBERS/ORGANIZERS: Mr. Brian D. Dilsheimer Mr. Thomas S. Dilsheimer Mr. Maurice Johnson Mr. James B. Dilsheimer Title: Manager Title: Vice President/assistant Secret&oYe: Vice President/treasurer Title: Vice President 401 City Ave. 401 City Ave. 401 City Ave. 401 City Ave. Suite 710 Suite 710 Suite 710 Suite 710 Bala Cynwyd, PA 19004 Bala Cynwyd, PA 19004 Bala Cynwyd, PA 19004 Bala Cynwyd, PA 19004 CERTIFICATION OF ANNUAL REPORT MUST BE COMPLETED BY ALL LIMITED LIABILITY COMPANIES Mr. Thomas S. Dilsheimer 3/16/2005 FORM MUST BE SIGNED BY A MANAGER/MEMBER DATE Mr. Thomas S. Dilsheimer Manager/Member TYPE. OR PRINT NAME TYPE OR PRINT TITLE ANNUAL REPORT FEE: E-Paid Secretary of State • Corporations Division • Post Office Box 29525 • Raleigh, NC 27626.0525 C200709800919 SOSID: 0757657 Date Filed: 3/29/2007 9:07:00 AM Elaine F. Marshall LIMITED LIABILITY COMPANY North Carolina Secretary of State �.ANNUAL REPORT C200708800918 NAME OF LIMMD LIABILITY COMPANY: Dilsheimer Communities of North Carolina, L.L.C. STATE OF INCORPORATION: NC SECRETARY OF STATE R.L.L.P. ID NUMBER: 0757657 NAT 3RF, OF BUSINESS: Land Developer REGISTERED AGENT:. Corporation Service Company REGISTERED OFFICE MAILING ADDRESS: 327 Hillsborough Street Raleigh, NC 27603 REGISTERED OFFICE STREET ADDRESS: 327Htllsborough Street RutCigh, NC 27603 Wake County PRINCIPAL OFFICE TELEPHONE NUMBER: (910) 790-9880 PRINCIPAL OFFICE MAILING ADDRESS: PRINCIPAL OFFICE STREET ADDRESS: MANAGERS/h EMBERS/ORGANIZERS: Name: Brian D. Dilsheimer Title: Alianager Address: 401 City Ave.ISuite 710 Bala Cymlyd, PA 19004 2528 Independence Boulevard Suite 104 Wilmington, NC 28412 2S,281ndependence Boulevard Suite 104 Wilmington, NC 28412 Name: Thomas S. Dilsheimer Title: 9Kember Address: 401 City Ave.ISuite 710 Bala Cynwyd, PA 19004 Name: Richard H. Dilsheimer Name: Robert A. Dilsheimer 71tle:.96m6er Title: Xember Address., Address: 401 City Avenue, Suite 710 401 City Avenue, Suite 710 Baler Cynwyd, PA 19004 Bala C PA 19004 Name: James A Dilsheimer Title: 91fember Address: 401 City Ave. ISuite 710 Bala Cynwyd, PA 19004 CER ATION ANNUAL REPORT MUST BE COMPLETED BY ALL LIMITED LIABILITY COMPANIES FORM MUST BE SIGNED BY A MANAGER/MEMBER Drian Dilsheimer TYPE OR PRINT NAME 20070315 DATE Manager TYPE OR PRINT T11 E ANNUAL REPORT FEE: E-Faid Secretary of State • Corporations Division - Post Office Box 29525 • Raleigh, NC 27626-0525 North Carolina Secretary of State Page 1 of 1 ;•�t''"''; North Carolina 1 J Jr DEPARTMENT OF THE Maine � Marshall ecrelary SECRETARY OF STATE PO Rox 296T2 Raiel•gh: NC 27626-0822 ($49fL,9G'r'-2044 i CORPORATIONS Corporations Home Search By Corporate Name Search For New Corporation Search By Registered Agent Important Notice Corporations FAQ Homeowners' Association FAQ Tobacco Manufacturers Dissolution Reports Non -Profit Reports Verify Certification Online Annual Reports LINKS & LEGISLATION KBBE B213 Annual Reports SOSID Number Correction 2GO1 Bill Summaries 1999 Senate Bills Annual Reports 1997 Corporations 1997 Register for E-Procurement Dept. of Revenue ONLINE ORDERS Start An Order 1 New Payment Procedures CONTACT US Corporations Division TOOLS Secretary of State Home Secretary of State Site Map Printable Page Date: 5/16/2008 Click here to: View Document Filings I Sign Up for E-Notifications 1 71) Print apre-populated Annual Report Form I Annual Report Count I File an Annual Report I Corporation Names Name Name Type NC DCNC North Carolina I, Legal L. L.C. Limited Liability Company Information SOSID: Status: Hate Formed: Citizenship: State of Inc.: Duration: Registered Agent Agent Name: Registered Office Address: Registered Mailing Address: Principal Office Address: Principal Mailing Address: 0757642 Current -Active 12/17/2004 Domestic NC Perpetual Corporation Service Company 327 Hillsborough Street Raleigh NC 27603 327 Hillsborough Street Raleigh NC 27603 2528 Independence blvd., suite 104 Wilmington NC 28412 2528 independence blvd., suite 104 Wilmington NC 28412 http://www.secretary.state.nc.us/corporations/Corp.aspx?PitemId=7309404 5/16/2008 SOSID: 757642 Date Filed: 12/17/200411:07:00 AM Elaine F. Marshall North Carolina Secretary of State C200435100456 State of North Carolina Department of the Secretary of State Limited Liability Company ARTICLES OF ORGANIZATION Pursuant to § 57C-2-20 of the General Statutes of North Carolina, the undersigned does hereby submit these Articles of Organization for the purpose of forming a limited liability company. 1. The name of the limited liability company is: DCNC North Carolina I, L.L.C. If the limited liability company is to be dissolved by a specific date, the latest date on which the limited liability company is to dissolve (If no date for dissolution is specified, there shall be no limit on the duration of the limited liability company.) 3. The name and address of each person executing these articles of organization is as follows: (State whether each person is executing these articles of organization in the capacity of a member, organizer or both). Bonnie S . Sander, Organizer 1650 Arch Street, 22nd Floor Philadelphia, PA 19103 4- The street address and county of the initial registered office of the limited liability company is: Number and Street: 327 Hillsborough Street City, State, Zip Code: &aleigh, NC 27603 County:Wake The mailing address, if di erent from the street address, of the initial registered office is: 6. The name of the initial registered agent is: Corporation Service Company 7. Principal Office Information: (Select either a or b) a. XX The limited liability company has a principal office. The street address and county of the principal office of the limited liability company is: Number and Street: 4010 Avenue. Suite 710 City, State, Zip Code: Bala Cynwyd. PA 19004 County: Montgomery The mailing address, if different from the street address, of the principal office of the corporation is: PHUS047816.IIDILD07-212831 b. The limited liability company does not have a principal office. 8. Check one of the following: (i) Member -managed LLC: all members by virtue of their status as members shall be managers of this limited liability company 21X (ii) Manager -managed LLC: except as provided by N.C.G.S. Section 57C-3-20(a), the members of this limited liability company shall not be managers by virtue of their status as members. 9. Any other provisions which the limited liability company elects to include are attached. 10. These articles will be effective upon filing, unless a date and/or time is specified: This is the �— day of , 2004 DCNC North Carolina I, L.L.C. Bonnie S. Sander, Organizer Type or Print Name and Title PHL:5047916.f/DIL007-212831 - 2 - LIMITED LIABILITY COMPANY ANNUAL REPORT NAME OF LI IITED LIABILITY COMPANY: Dcnc North Carolina I, L.L.C. STATE OF INCORPORATION: NC SECRETARY OF STATE L.L.C. ID NUMBER: 0757642 NATURE OF BUSINESS: Land Developer REGISTERED AGENT: Corporation Service Company REGISTERED OFFICE MAILING ADDRESS: 327 Hillsborough Street Raleigh, NC 27603 SOSID: 0757642 Date Filed: 3/16/200510:49 AM Elaine F. Marshall North Carolina Secretary of State FEDERAL EMPLOYER ID NUMBE REGISTERED OFFICE STREET ADDRESS: 327 Hillsborough Street Raleigh, NC 27603 County: Wake PRINCIPAL OFFICE TELEPHONE NUMBER: 610-617-9700 PRINCIPAL OFFICE MAILING ADDRESS: 401 City Avenue Suite 710 Bala Cynwyd PA 19004 PRINCIPAL OFFICE STREET ADDRESS: 401 City Avenue Suite 710 Bala Cynwyd, PA 19004 MANAGERSAMI1 BERS/ORGANIZERS: Mr. Thomas S Dilsheimer Mr. Maurice H. Johnson Mr. Brian D. Dilsheimer Mr. James B. Dilsheimer Title: Vice President/assistant SecretT*e: Vice President/treasurer Title: Vice President Title: Vice President 401 City Ave. 401 City Ave. 401 City Ave. 401 City Ave. Suite 710 Suite 710 Suite 710 Suite 710 Bala Cynwyd, PA 19004 Bala Cynwyd, PA 19004 Bala Cyn"d, PA 19004 Bala Cynwyd, PA 19004 CERTIFICATION OF ANNUAL REPORT MUST BE COMPLETED BY ALL LIMITED LIABILITY COMPANIES Mr. Thomas S. Dilsheimer 3/16/2005 FORM MUST BE SIGNED BY A MANAGER/MEMBER DATE Mr. Thomas S. Dilsheimer Manager/Member TYPE OR PRINT NAME TYPE OR PRINT TITLE ANNUAL REPORT FEE: E-Paid Secretary of State • Corporations Division • Post Office Box 29525 • Raleigh, NC 27626-0525 C200709900051 LIMITED LIABILITY COMPANY ANNUAL REPORT SOSID: 0757642 Date Filed: 3/30/200712:24:00 PM Elaine F. Marshall North Carolina Secretary of State C200708900051 NAMEOF LIMITED LIABILITY COMPANY: DCNC North Carolina 1, L.L.C. STATE OF INCORPORATION: NC SECRETARY OF STATE R.L.L.P. ID NUMBER: 0757642 NATURE OF BUSINESS: Land Developer REGISTERED AGENT: Corporation Service Company REGISTERED OFFICE MAILING ADDRESS: 327 Hillsborough Street Raleigh, NC 27603 REGISTERED OFFICE STREET ADDRESS: 327 Hillsborough Street ""' M Vlggn, M_ 27603 Wake County PRINCIPAL OFFICE TELEPHONE NUMBER; (910) 790-9880 PRINCIPAL OFFICE MAILING ADDRESS: 2528Independence Blvd. Suite 104 Wilmington, NC 28-412 PRINCIPAL OFFICE STREET ADDRESS: 2528Independence Blvd., Suite 104 Wilmington, NC 28412 MANAGERS/MEMBERS/ORGANIZERS: Name: Thomas S. Dilsheimer Title:. Mem6er Address: 401 CityAve. )Smile 710 Bala Cynwyd, PA 19004 Name: Brian D. Dilshetmer Title: 9wem6er Address: 401 City Ave.1Swite 710 Bala Cynwyd, PA 19004 Name: James A Dihhehner Title: Member Address: 401 City Ave. ISkifte 710 Bala Cynwyd, PA 19004 Name: Robert A. Dilsheimer Name: A North Carolina No. 1, Inc. Name: Dilsheimer Communities of North Title: Xem6er Title: Member Carolina: L.L.C. Address: Address: Title: Manager 401 City Avenue, Suite 710 2S28Independence Blvd., Suite 104 Address: Bala Cynwyd, PA 19004 Wilmington, NC 28412 2528Independence Blvd., Suite 104 ' NG 28412 CER ATION Of ANNUAL REPORT MUST BE COMPLETED BY FORM MUST BE SIGNED BY A MANAGER/MEMBER Brian Dilsheimer TYPE OR PRINT NAME ALL LIMITED LIABILITY COMPANIES 20070315 DATE Manage: TYPE OR PRINT TM F ANNUAL REPORT FEE: E-Paid Swrelery of Stem • Carporetiom Division • Post Office Box 29525 • Raleigh, NC 27626-0525 State of NQr& Caroliva: Department of TQwironment and Natural Rwources OWIM-04 of WiiBr QUaltf Any.cbzaVe matIO t this furm wAl risQit k Se a,PPRCOO" bdog reammed. �tTG'�'i0A1$e . ttu8 Nsilil imS 1 dh..8 =0*64hF dxo o6V4'ar Qoayce� Ws� Qc�a]ity Super (ssai's� 2 af2} pzssatA: bfdr+a � foie A,t �. Y�amat iucJuaa sn 850 by lla cagy.oCft paw of a ?3- tl VAp dkot sbum the,% . am d of dss per. 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