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SW8090810_HISTORICAL FILE_20090904
STORMWATER DIVISION CODING SHEET POST -CONSTRUCTION PERMITS PERMIT NO. SW8 ()gU81U DOC TYPE ❑ CURRENT PERMIT ❑ APPROVED PLANS Q HISTORICAL FILE ❑ COMPLIANCE EVALUATION INSPECTION DOC DATE o0� YYYYMMDD ar�WA r NCDENR North Carolina Department of Environment and Natural Resources Beverly Eaves Perdue Governor September 4, 2009 Division of Water Quality Coleen H. Sullins Director Carl Baker, Deputy Public Works Officer Commanding Officer, Marine Corps Base, Camp Lejeune 1005 Michael Road Camp Lejeune, NC 28542 Subject: State Stormwater Management Permit No. SW8 090810 NAMTRA MARU Facility P-648 High Density Project Onslow, County Dear Mr. Baker: Dee Freeman Secretary The Wilmington Regional Office received a Stormwater Management Permit Application for NAMTRA MARU Facility P-648 on August 25, 2009 with additional information submitted on September 2, 3, and 4, 2009. 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 21-1.1000. We are forwarding Permit No. SW8 090810 dated September 4, 2009, for the construction of the subject project. This permit shall be effective .from the date of issuance until September 4, 2019, 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 thirty (30) days following receipt of this permit. This request must be in the form of a written petition, conforming to Chapter 150E 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 please contact M.J. Naugle, or me at (910) 796-7215, Sincerely, Rick Shiver Regional Supervisor Surface Water Protection Section RS/ min: S:\WQS\STORMWATER\PERMIT\090810 sep09 cc: Douglas M. Will, P.E., MSA, PC, 757-490-9264, fax: 0634 Wilmington Regional Office Central Files M.J. Naugle Wilmington Regional Office 127 Cardinal Drive Extension, Wilmington, North Carolina 28405 Phone: 910-796-72151 FAX 910-350-20041 Customer Service: 1-877-623-6748 Internet: www.ncwaterqualiry.org An Equal Opportunity 1 Affirmative Action Employer NorthCarolina Aaturally State Stormwater Management Systems Permit No. SW8 090810 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 Commanding Officer, Marine Corps Base, Camp Lejeune NAMTRA MARU Facility, P-648 Davis Street, Camp Lejeune, Onslow County FOR THE Construction, operation and maintenance of five (5) bio-retention 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 September 4, 2019, and shall be subject to the following specified conditions and limitations: I. DESIGN STANDARDS This permit is effective only with respect to the nature and volume of stormwater described in the application and other supporting data. 2. This stormwater system has been approved for the management of stormwater runoff as described in Section 1.7 on page 3 of this permit. The stormwater control has been designed to handle the runoff from 130,008 square feet of impervious area. 3. The tract will be limited to the amount of built -upon area indicated on page 3 of this permit, and per approved plans. There is no built -upon area allocated for the future development. Additional BUA requires approval of a permit modification. 4. 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. 5. The runoff from all built -upon area within the permitted drainage area(s) of this project must be directed into the permitted stormwater control system. Page 2 of 7 State Stormwater Management Systems Permit No. SW8 090810 6. The following design criteria have been provided in the bio-retention basins and must be maintained at design condition: BA-1 A BA-1 C BA-2 BA-3 BA4 a. Drainage Area, Onsite, ftz: 90,953 27,878 35,232 10,979 11,993 b. Total Impervious, , ft2: 59,111 21,484 29,185 9,773 10,454 c. Design Storm, inches: 1 1 1 1 1 d. Basin Depth, feet: 1 1 1 1 1 e. Temporary Pool Elevation, fmsl: 12.13 15.09 18.49 15.99 16.07 f. Planting Elevation, fmsl: 11.13 14.09 17.49 14.99 15.07 9. Bottom Elevation, fmsl: 9.13 12.09 15.49 12.99 13.07 h. SHWT elevation, fmsl: 8.61 11 12.5 12.5 13 i. Permitted Storage Volume, ft3: 5,464 2,093 2,378 995 1,052 j. Required number of Plantings Shrubs Trees 125 116 9 48 68 3 55 156 6 23 61 3 24 74 3 . Receiving Stream/ River Basin Stick Creek / White Oak k. Stream Index Number 19-15 I. Classification of Water Body SC;HQW,NSW II. SCHEDULE OF COMPLIANCE 1. The stormwater management system shall be constructed in its entirety, vegetated and operational for its intended use prior to the construction of any built -upon surface. 2. During construction, erosion shall be kept to a minimum and any eroded areas of the system will be repaired immediately. 3. The permittee shall at all time provide the operation and maintenance necessary to assure the permitted stormwater system functions at optimum efficiency. The approved Operation and Maintenance Plan must be followed in its entirety and maintenance must occur at the scheduled intervals including, but not limited to: a. Semiannual scheduled inspections (every 6 months). b. Sediment removal. C. Mowing and re -vegetation of slopes and the vegetated filter. d. Immediate repair of eroded areas. e. Maintenance of all slopes in accordance with approved plans and specifications. f. Debris removal and unclogging of outlet structure, orifice device, flow spreader, catch basins and piping. g. Access to the outlet structure must be available at all times. 4. Records of maintenance activities must be kept and made available upon request to authorized personnel of DWQ. The records will indicate the date, activity, name of person performing the work and what actions were taken. 5. The facilities shall be constructed as shown on the approved plans. This permit shall become void unless the facilities are constructed in accordance with the conditions of this permit, the approved plans and specifications, and other supporting data. 6. Upon completion of construction, prior to issuance of a Certificate of Occupancy, and prior to operation of this permitted facility, a certification must be received from an appropriate designer for the system installed certifying that the permitted facility has been installed in accordance with this permit, the approved plans and specifications, and other supporting documentation. Any deviations from the approved plans and specifications must be noted on the Certification. A modification may be required for those deviations. Page 3 of 7 State Stormwater Management Systems Permit No. SW8 090810 If the stormwater system was used as an Erosion Control device, it must be restored to design condition prior to operation as a stormwater treatment device, and prior to occupancy of the facility. 8. Access to the stormwater facilities for inspection and maintenance shall be maintained via appropriate recorded easements at all times. 9. The permittee shall submit to the Director and shall have received approval for revised plans, specifications, and calculations prior to construction, for any modification to the approved.plans, including, but not limited to, those listed below: a. Any revision to any item shown on the approved plans, including the stormwater management measures, built -upon area, details, etc. b. Project name change. C. Transfer of ownership. d. Redesign or addition to the approved amount of built -upon area or to the drainage area. e. Further subdivision, acquisition, lease or sale of all or part of the project area. The project area is defined as all property owned by the permittee, for which Sedimentation and Erosion Control Plan approval or a CAMA Major permit was sought. f. Filling in, altering, or piping of any vegetative conveyance shown on the approved plan. 10. Prior to the construction of any permitted future areas shown on the approved plans, the permittee shall submit final site layout and grading plans to the Division for approval. 11. The Permittee shall maintain a copy of the approved plans and specifications on file at all times. At the time the permit is transferred to a new owner, the permittee shall forward the approved plans to the new owner. 12. The Director may notify the permittee when the permitted site does not meet one or more of the minimum requirements of the permit. Within the time frame specified in the notice, the permittee shall submit a written time schedule to the Director for modifying the site to meet minimum requirements. The permittee shall provide copies of revised plans and certification in writing to the Director that the changes have been made. III. GENERAL CONDITIONS This permit is not transferable except after notice to and approval by the Director. In the event of an owner name change, a project name change, a mailing address change, or the sale of the project or a transfer of ownership, the permittee must submit a completed and signed Name/Ownership Change Form to the Division of Water Quality at least 30 days prior to making such changes. The Name/Ownership Change form must be accompanied by the supporting documentation as listed on the form. The approval of this request will be considered on its merits and may or may not be approved. 2. The permittee is responsible for compliance with all permit conditions until such time as the Division approves 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) having jurisdiction. Page 4 of 7 State Stormwater Management Systems Permit No. SW8 090810 5. In the event that the facilities fail to perform satisfactorily, including the creation of nuisance conditions, the Permittee shall take immediate corrective action, including those as may be required by this Division, such as the construction of additional or replacement stormwater management systems. 6. The permittee grants DENR Staff permission to enter the property during normal business hours for the purpose of inspecting all components of the permitted stormwater management facility. . 7. The permit remains in force and effect until modified, revoked, terminated or renewed. The permit may be modified, revoked and reissued or terminated for cause. The filing of a request for a permit modification, revocation and re -issuance or termination does not stay any permit condition. 8. Unless specified elsewhere, permanent seeding requirements for the stormwater control must follow the guidelines established in the North Carolina Erosion and Sediment Control Planning and Design Manual. 9. Approved plans and specifications for this project are incorporated by reference and are enforceable parts of the permit. 10. The permittee shall submit a permit renewal request at least 180 days prior to the expiration date of this permit. The renewal request must include the appropriate documentation and the processing fee. Permit issued this the fourth day of September 2009. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION oleen H. Sullins, Director Division of Water Quality By Authority of the Environmental Management Commission Page 5 of 7 State Stormwater Management Systems Permit No. SW8 090810 NAMTRA MARU Facility P-648 at Camp Lejeune Page 1 of 2 Stormwater Permit No. SW8 090810 Onslow County Designer's Certification I, , as a duly registered in the State of North Carolina, having been authorized to observe (periodically/ weekly/ full time) the construction of the project, (Project) for (Project Owner) hereby state that, to the best of my abilities, due care and diligence was used in the observation of the project construction such that the construction was observed to be built within substantial compliance and intent of the approved plans and specifications. The checklist of items on page 2 of this form is included in the Certification. Noted deviations from approved plans and specifications: Signature Registration Number Date SEAL Page 6 of 7 Page 2 of 2 State Stormwater Management Systems Permit No. SW8 090810 Certification Requirements: 1. The drainage area to the system contains approximately the permitted acreage. 2. The drainage area to the system contains no more than the permitted amount of built -upon area. 3. All the built -upon area associated with the project is graded such that the runoff drains to the system. 4. All roof drains are located such that the runoff is directed into the system. 5. The outlet 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 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 draw down devices are correctly sized and located per the approved plans. 13. All required design depths are provided. 14. All required parts of the system are provided, such as a vegetated shelf, and a forebay. 15. The required system dimensions are provided per the approved plans. 16. All components of the stormwater BMP are located in either recorded common areas, or recorded easements. cc: NCDENR-DWQ Regional Office Carl Baker, Public Works Officer for the Commanding Officer, MCB Camp Lejeune Page 7 of 7 I Applicable Rules: ❑ Coastal SW -1995 ❑ Coastal SW - 2008 ❑ Ph II - Post Construction (select all that apply) ❑ Non -Coastal SW- HQW/ORW Waters ❑ Universal Stormwater Management Plan ❑ Other WQ Nigmt Plan: State of North Carolina Department of Environment and Natural Resour:277 Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATI This form may be photocopied for use as an original I.. GENERAL INFORMATION 1. Project Name (subdivision, facility, or establishment name -should be consistent with project name on plans, specifications, letters, operahu!: an:. ... .. P-648 Construct NAMTRA MARU Facility 2. Location of Project (street address): Intersection of Davis Street and Campbell Street City:lacksonviHe County:Onslow Zip:28542 3. Directions to project (from nearest major intersection): From Curtis Road, turn onto MCAyoy Street (south), turn onto Campbell Street (west), turn onto Davis Street 4. Latitude:34° 44' 00" N Loneitude:77* 2700" W of the main entrance to the project. II. PERMIT INFORMATION: 1. a. Specify whether project is (check one): ®New ❑Modification b.If this application is being submitted as the result of a modification to an existing permit, list the existing permit number , its issue date (if known) , and the status of construction: ❑Not Started ❑Partially Completed* ❑ Completed* *provide a designer's certification 2. Specify the type of project (check one): ❑Low Density ®High Density ❑Drains to an Offsite Stormwater System []Other 3. If this application is being submitted as the result of a previously returned application or a letter from DWQ requesting a state stormwater management permit application, list the stormwater project number, if assigned, SW8 050635 KEf rR QED and the previous name of the project, if different than currently proposed, TANzo�'% 4. a. Additional Project Requirements (check applicable blanks; information on required state permits can be obtained by contacting the Customer Service Center at 1-877-623-6748): ❑CAMA Major ❑Sedimentation/Erosion Control: _ ❑NPDES Industrial Stormwater 0404/401 Permit: Proposed Impacts ac of Disturbed Area b.If any of these permits have already been acquired please provide the Project Name, Project/Permit Number, issue date and the type of each permit:NAMTRA MARU P-648, Onslow-2005-303, May 23, 2005, sedimentation/Erosion Control Form SWU-101 Version 07July2009 Page 1 of 6 RRCFxVV. 409 III.. CONTACT INFORMATION 1. a. Print Applicant / Signing Official's name and title (specifically the developer, prLLn designatedgovernment official, individual, etc. who owns the project): Applicant/Organization:Commancline Officer Marine Corps Base Camp Leieune Signing Official & Title:Carl Baker, Deputy Public Works Officer b.Contact information for person listed in item 1a above: Street Address:1005 Michael Road City:MCB Camp Lejuene Mailing Address (if applicable): Phone: Email: State:NC Zip:28542 Fax: c. Please check the appropriate box. The applicant listed above is: ® The property owner (Skip to Contact Information, item 3a) ❑ Lessee* (Attach a copy of the lease agreement and complete Contact Information, item 2a and 2b below) ❑ Purchaser* (Attach a copy of the pending sales agreement and complete Contact Information, item 2a and 2b below) 0 Developer* (Complete Contact hnfmmation; item 2a and 2b below.) 2. a. Print Property Owner's name and title below, if you are the lessee, purchaser or developer. (This is the person who owns the property that the project is located on): Property Owner/, Signing Official & b. Contact information for person listed in item 2a above: Street Address: City: State: Zip: Mailing Address (if applicable): City: State: Zip: Phone: ( ) Fax: ( ) Email: 3. a. (Optional) Print the name and title of another contact such as the project's construction supervisor or other person who can answer questions about the project: Other Contact Person/Organization: Michael D. Hess E.I.T. / MSA. P.C. Signing Official & Title: b. Contact information for person listed in item 3a above: Mailing Address:5033 Rouse Drive City:Viryinia Beach State:VA Zip:23462 Phone: (757 ) 490-9264 Fax: (757 ) 490-0634 Emaihmike hess@msaonline.com 4. Local jurisdiction for building permits: Camp Lejuene Point of Contact:Carl Baker Phone #: Form SWU-101 Version 07July2009 Page 2 of 6 FIVLe_ ; PROJECT INFORMATION AUG 5 009is In the space provided below, briefly summarize how the stormwater runoff will bed. Stornrwater will be treated by bioretention basins 2. a. If claiming vested rights, identify the supporting documents provided and the date they were approved: ❑ Approval of a Site Specific Development Plan or PUD Approval Date: ❑ Valid Building Permit Issued Date: ❑ Other: Date: b.Identify the regulation(s) the project has been designed in accordance with: ❑ Coastal SW -1995 ❑ Ph II - Post Construction 3. Stormwater runoff from this project drains to the White Oak River basin. 4. ,Total Property Area: 4.064 acres 5. Total Coastal Wetlands Area: 0 a eL 6. Total Surface Water Area: 0 acres 7. Total Property Area (4) - Total Coastal Wetlands Area (5) - Total Surface Water Area (6) = Total Project Area':4.064 acres Total project area shall be calculates! to exclude the follozing the nornml yool of impounded structures, the area bet veers the banks of strearns and rivers, the area below the Normal High Water (NHMN line or Mean High Water (MHW) line, and coastal wetlands landward from the NHW (or MHW) line. The resultant project area is used to caudate overall percent built upon area (BUA). Noru-coastal wetlands landward of the NHW (or Mr-IW) line stay be included in the total project area. 8, Project percent of impervious area: (Total Irnpervious Area / Total Project Area) X 100 = 73 % 9. How many drainage areas does the project have?5 (For high density, count 1 for each proposed engineered stormwater BMP. For low density and other projects, use 1 for the whole property area) 10. Complete the following information for each drainage area identified in Project Information item 9. If there are more than four drainage areas in the project, attach an additional sheet with the information for each area provided in the same format as below. B.asm Inforrpatron Drainage Area . BA=1A : • . Dramage Area BA-iC• S Drama ge Area ' BA 2 Drautiage Area Receiving Stream Name Stick Creek Stick Creek Stick Creek Stick Creek Stream Class * SC;HQW,NSW SC;HQW,NSW SC;HQW,NSW SC;HQW,NSW Stream Index Number * 19 -15 19 -15 19 -15 19 -15 Total Drainage Area (sf) 90,953 27,878 35,232 10,979 On -site Drainage Area (so I --- Off-site Drainage Area (sf) --- --- --- Proposed Impervious Area** s 59,111 21,484 29,185 9,773 % Impervious Area`* total 65 77 83 89 On -site Buildings/Lots (so 31,453.71 6,344.03 On -site Streets (so --- 5,511.53 --- --- On-site Parking (so 15,099.77 --- 29,185.20 9,773.00 On -site Sidewalks (so 2,070.31 --- Other on -site (so 10,487.00 9,628.47 --- Future (so - --- --- Off-site (so - --- --- Existuw BUA*** (sf) --- — --- Total (so: 59 e95c60— 1 21,484.03 1 29,185.20 1 9,773.00 Stream Class and Index Number can a determined at: irttp:117r2o enr state )Ic nsPoiuu/reports ?-eportsWB litud 5-1111 Form SWU-101 Version 07Ju1y2009 Page 3 of 6 =25 IV., PROJECT INFORMATION 1. In the space provided below, briefly summarize how the stormwater runoff will be tr Stornrwater will be heated by bioretention basins 2. a. If claiming vested rights, identify the supporting documents provided and the date they were approved: ❑ Approval of a Site Specific Development Plan or PUD Approval Date: ❑ Valid Building Permit Issued Date: ❑ Other: Date: b.ldentify the regulation(s) the project has been designed in accordance with: ❑ Coastal SW -1995 ❑ Ph II - Post Construction 3. Stormwater runoff from this project drains to the White Oak River basin. htl Dxopexly Area: 4.064 acres ... 5. Tctnl Coastal Wetlands Area: D _acres CP�� 6. Total Surface Water Area: 0 acres 7. Total Property Area (4) - Total Coastal Wetlands Area (5) - Total Surface Water Area (6) = Total Project Area+:4.064 acres Total project area shall be calculated to exclude the following: the normal pool of imppounded structures, the area behuecu the banks of strew n; and rivers, the area below the Normal High Water (NHV� line or Mean High Water (MFIW) line, and coastal wetlands landward from the NHW (or MHW) line. The resultant project area is used to calculate overall percent built upon area (BLIA). Nou-coastal wetlands landward of the NHW (or MHIM litte umy be included in the total project area. B. Project percent of impervious area: (Total Impervious Area / Total Project Area) X 100 = 73 % 9. How many drainage areas does the project have?5 (For high density, count 1 for each proposed engineered stormwater BMP. For low density and other projects, use 1 for the whole property area) 10. Complete the following information for each drainage area identified in Project Information item 9. If there are more than four drainage areas in the project, attach an additional sheet with the information for each area provided in the same format as below. Basin_ hrforatahon t Drainage Area Dramage,Aiea Draurage Area Drainage Area Receiving Stream Name Stick Creek Stream Class * SC;HQW,NSW Stream Index Number * 19 -15 Total Drainage Area (so 11,993 On -site Drainage Area (so Off -site Drainage Area (so Proposed Impervious Area** (so 10,454 % Impervious Area** total 87 Impervrous. Surface Area Dramage Area _Draurage Aiea 'Drainage Area' Drarage Area .. On -site Buildings/ Lots (so -- On-site Streets (so - On -site Parking (so 10,454 On -site Sidewalks (so -- Other on -site (so - Future (so --- Off-site (SO --- Existing BUA*** (so -- Total (so: 10,454 " Stream Class and Index Number can be determined at: luttp://h2o.enr.state.nc.ns/bims/renorts/renortsWB htnd Form SWU-101 Version 07Ju1y2009 Page 3 of :sparMling Imppervious area is defined as the built upon area including, but not limited to, buildings, roa areas,sidetoalks, gravel areas, etc. 'Report only that amount of existing BUA thatmill remain afterdevelopment. Do notreportstinA BUA that is to be removed and which will be replaced by new BUA. 11. How was the off -site impervious area listed above determined? Provide documentation. N/A Projects in Union County: Contact DWQ Central Office staffto check ifthe project is located within a Threatened & Endangered Species watershed that may be subject to more stringent stornnvater requirements as per NCAC 02B .0600. V. SUPPLEMENT AND O&M FORMS The applicable state stormwater management permit supplement and operation and maintenance (O&M) forms must be submitted for each BMP specified for this project. The latest versions of the forms can be downloaded fromhttp://h2o.enrstate.nc.us/su/bmp forms.htm. VL 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. A detailed application instruction sheet and BMP checklists are available from http://h2o.enr.state.ncus/su/bmp forms.htm. The complete application package should be submitted to the appropriate DWQ Office. (The appropriate office may be found by locating project on the interactive online map athttp://h2o.enr.state.nc.us/su/nisi maps.htm.) Please indicate that the following required information have been provided by initialing in the space provided for each item. All original documents MUST be signed and initialed in blue ink. Download the latest versions for each submitted application package from litq2://h2o.eiir.sttte.iic.us/stp/briip forms.htm. Initials 1. Original and one copy of the Stormwater Management Permit Application Form. l7 M W 2. Original and one copy of the signed and notarized Deed Restrictions & Protective Covenants !l/, A, Form. (if required as per Part VII below) 3. Original of the applicable Supplement Form(s) (sealed, signed and dated) and O&M 1t1 14/ agreenrent(s) for each BMP. 4. Permit application processing fee of $505 payable to NCDENR. (For an Express review, refer to n M W htt wivw,envhelp.org/pages/onestopexpress.h ten for information on the Express program and the associated fees. Contact the appropriate regional office Express Permit Coordinator for additional information and to schedule the required application meeting.) 5. A detailed narrative (one to two pages) describing the stormwater treahrient/managementfor 0/t9 W the project. This is required in addition to the brief summary provided in the Project Information, item 1. 6. A USGS map identifying the site location. If the receiving stream is reported as class SA or the )JIt? W receiving stream drains to class SA waters within 1/2 mile of the site boundary, include the 1/2 mile radius on the map. 7. Sealed, signed and dated calculations. L1 /t-i W 8. Two sets of plans folded to 8.5" x 14" (sealed, signed, & dated), including: p M W a. Development/Project name. b. Engineer and firm. c. Location map with named streets and NCSR numbers. d. Legend. e. North arrow. f. Scale. g. Revision number and dates. h. Identify all surface waters on the plans by delineating the normal pool elevation of impounded structures, the banks of streams and rivers, the MHW or NHW line of tidal waters, and any coastal wetlands landward of the MHW or NHW lines. • Delineate the vegetated buffer landward from the normal pool elevation of impounded structures, the banks of streams or rivers, and the MHW (or NHW) of tidal waters. L Dimensioned property/project boundary with bearings & distances. j. Site Layout with all BUA identified and dimensioned. k. Existing contours, proposed contours, spot elevations, finished floor elevations. 1. Details of roads, drainage features, collection systems, and stormwater control measures. Form SWU-101 Version 07July2009 Pa.-e 4 of 6 m. Wetlands delineated, or a note on the plans that none exist. (Must be delineated by a RECJ. qualified person. Provide documentation of qualifications and identify the person who ^IJ I., § �oo� made the determination on the plans. n. Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations o. Drainage areas delineated (included in the main set of plans, not as a separate document BY: p. Vegetated buffers (where required). 9. Copy of any applicable soils report with the associated SHWT elevations (Please identify elevations in addition to depths) as well as a map of the boring locations with the existing elevations and boring logs. Include an 8.5"xll" copy of the NRCS County Soils map with the project area clearly delineated. For projects with infiltration BMPs, the report should also include the soil type, expected infiltration rate, and the method of determining the infiltration rate. (infiltration Devices submitted to WiRO: Schedule a site visit for DWQ to verifij the SHWT prior to submittal, (910) 796-7378.) 10. A copy of the most current property deed. Deed book: Page No: N A. 11. For corporations and limited liability corporations (LLC): Provide documentation from the NC / W Secretary of State or other official documentation, which supports the titles and positions held by the persons listed in Contact Information, item la, 2a, and/or 3a per NCAC 2H.1003(e). The arpe:a5on or Li_C must be listed as an active corporation in goo('. standing .vith the NC _-• > Secretary of State, otherwise the application will be returned. hLtp://www.secreta[y.state.nc-us/Corporatioiis/CSearch.asl)x VIL DEED RESTRICTIONS AND PROTECTIVE COVENANTS For all subdivisions, outparcels, and future development, the appropriate property restrictions and protective covenants are required to be recorded prior to the sale of any lot...IfJot sizes vary significantly or the proposed BUA allocations vary, a table listing each lot number, lot size, and the allowable built -upon area must be provided as an attachment to the completed and notarized deed restriction form. The appropriate deed restrictions and protective covenants forms can be downloaded from http://h2o.enr.state.nc.us/suibmp forms.htm#deed restrictions. Download the latest versions for each submittal. In the instances where the applicant is different than the property owner, it is the responsibility of the property owner to sign the deed restrictions and protective covenants form while the applicant is responsible for ensuring that the deed restrictions are recorded. By the notarized signature(s) below, the permit holder(s) certify that the recorded property restrictions and protective covenants for this project, if required, shall include all the items required in the permit and listed on the forms available on the website, that the covenants will be binding on all parties and persons claiming under therm, that they will run with the land, that the required covenants cannot be changed or deleted without concurrence from the NC DWQ and that they will be recorded prior to the sale of any lot. VIII. CONSULTANT INFORMATION AND AUTHORIZATION Applicant: Complete this section if you wish to designate authority to another individual and/or firm (such as a consulting engineer and/or firm) so that they may provide information on your behalf for this project (such as addressing requests for additional information). Consulting Engineer:Douglas M. Will, P.E. Consulting Firm: MSA, PC Mailing Address:5033 Rouse Drive City:Virpinia Beach State:VA Zip:23462 Phone: (757 ) 490-9264 EmailAcnig will©msaonline.com Fax: (757 ) 490-0634 IX. PROPERTY OWNER AUTHORIZATION (if Contact Information, item 2 has been filled out, complete this section) I, (print or hjpe name of person listed in Contact information, iteru 2a) certify that I own the property identified in this permit application, and thus give permission to (print or hjpe name of person listed in Contact Infornmtion, item ln) with (print or hjpe name of organization listed in Contact Information, item lb) to develop the project as currently proposed. A copy of the lease agreement or pending property sales contract has been provided with the submittal, which indicates the party responsible for the operation and maintenance of the stonnwater system. Form SWU-101 Version 07July2009 Page 5 of As the legal property owner I acknowledge, understand, and agree by my signature below, that if my designated agent (entity listed in Contact Information, item 1) dissolves their company and/or cancels or defaults on their lease agreement, or pending sale, responsibility for compliance with the DWQ Stormwater permit reverts back to me, the property owner. As the property owner, it is my responsibility to notify DWQ immediately and submit a completed Name/Ownership Change Form within 30 days; otherwise I will be operating a stormwater treatment facility without a valid permit. I understand that the operation of a stormwater treatment facility without a valid permit is a violation of NC General Statue 143-215.1 and may result in appropriate enforcement action including the assessment of civil penalties of up to $25,000 per day, pursuant to NCGS 143-215.6. I,a Notary Public for the State of . County of do hereby certify that personally appeared before me this _ day of and acknowledge the due execution of the application for a stormwater permit. Witness my hand and official seal, SEAL My commission X. APPLICANT'S CERTIFICATION 7AUG7522'JI-9 BY: 1, (print or type name of person listed in Contact Information, item 2) Carl Baker certify that the information included on this permit application form is, to the best of my knowledge, correct and that the project wilt be constructed in conformance with the approved plans, that the required deed restrictions and protective covenants will be recorded, and that the proposed project complies with the requirements of the applicable storrrrW'�ter rules u6r 'i5AAICAC 2H .1000, SL 2006-246 (Ph.11- Post Construction) or SL 2008-211, Date: F r 3,"4 ' a Notar Publics forr the State of /i'r`17 /'e/4✓ iru Countyof C�1V�LJ . do her by certify that 11 personally appeared before me this��day of 01409 , and acknoo edge the due execution of the application for a stormwater permit. Witness my hand and official seal, /G=CAI MICE A EONNETTE Notary hmic Omlow County 8taro of North Carolina 201 SEAL My commission expires D� 0 /' Form S WU-101 Version 07July2009 Page 6 of 6 W COwu14nl0u Esther Oct 37' MO E1010 04 140t11+ CotollO Ou:loM ConulA 00101A bnDliC vrlCE Y QOWELE Bioretention Basin Design File Name: S:\WQS\STORMWATER\excel spreadsheets\BIORETENTION\090810.WK1 built prior to 2008 without permit issued Project Number: SW8 090810 Date 4-Sep-2009 Project Name: NAMTRA MARU p-648 Receiving Stream: stick creek Classification: SC;HQW;NSW Drainage Basin: white oak Index Number: 19-15 Minimum Surface Area c=.95 for BUA, c=.25 for grass Minimum Provided Basin # DA BUA Sum C x A BR Area Area BA-1A 90953 59111 61160.40 4281 5464 sf BA-1C 27878 21484 20934.10 1465 2093 sf BA-2 35232 29185 27778.25 1944 2378 sf BA-3 10,979 9,773 9097.20 637 995 sf BA-4 11,993 10,454 9793.35 686 1052 sf Volume Required Percent Required Basin # BUA Design Storm Rv Value Volume BA-1A 64.99% 1 0.63 4812 BA-1C 77.06% 1 0.74 1727 BA-2 82.84% 1 0.80 2336 BA-3 89.02% 1 0.85 779 BA-4 87.17% 1 0.83 834 Volume Provided Bottom Bottom Top Top Volume Prov. Req. Vol. Met Basin # Area Elevation Area Elevation @Top @ elev. BA-1A 5464 11.130 5464.00 12.13 5464 12.01 ft BA-1 C 2093 14.090 2093.00 15.09 2093 14.92 ft BA-2 2378 17.490 2378.00 18.49 2378 18.47 ft BA-3 995 14.990 995.00 15.99 995 15.77 ft BA-4 1052 15.070 1052.00 16.07 1052 15.86 ft Planting Guidelines Basin # Min. # Plants Prov. # Trees Prov. # Shrubs BA-1A 125 9 `116 BA-1C 48 3 68 BA-2 55 6 156, BA-3 23 3 61 BA-4 24 3 74 Comments K.9 P-t �D DMZ Naugle, Maryjt — From: Naugle, Mary 577- Sent: Friday, September 04, 2009 11:47 AM To: 'Mike Hess' Attachments: Bioretention.xls Steve; Please provide the planting numbers for each bmp. Although the supplement does state species, we need to verify the number of plants for each surface area in the bmp. Planting Guidelines Basin # Min. # Plants Ratio of Prov. # Prov. # Shrubs/Trees Trees Shrubs 1 0 #DIV/0! (must be 2- 3) 2 0 #DIV/0! (must be 2- 3) 3 0 #DIV/0! (must be 2- 3) 4 0 #DIV/0! (must be 2- 3) 5 0 #DIV/0! (must be 2- 3) Mary lean Naugle NC DENR Express Permitting NC Division of Water Quality 127Cardinal Drive Ext. Wilmington, NC 28405 910-796-7215 910-796-7303 910-350-2004 fax many nauale@ncdenr. ao v Please note: E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. 1 RECEIVED 1S F P 0 3 2009 BY:5Lt)B 0�:f0810 BIO-RETENTION BASIN CALCULATIONS FOR FY'05 MCON P-648 CONSTRUCT NAMTRA MARU FACILITY MCAS NEW RIVER JACKSONVILLE, NC September 2, 2009 MSA# 03222A CA&o - s•• S L • �3� 325 = MSA, P.C. 5033 Rouse Drive Virginia Beach, Virginia 23462 Telephone (757) 490-9264 Fax Number (757) 490-0634 SFP 0 3 2009 Bioretention Basin Calculations P-648 Construct NAMTRA MARU Facility MCAS New River Jacksonville, NC MSA Project No. 03222A Design Criteria: Capture and treat volume for first 1" of runoff from drainage area at 85% TSS removal rate. Using the simple method to determine the volume of runoff that must be controlled we have: V = Volume of runoff = 3,630 - Ro * Rv * A Rp = Design storm rainfall depth = 1-inch A = Watershed Area (ac) Rv = 0.05 + 0.9' IA where Rv = Runoff coefficient IA = Impervious fraction Bioretention Basin BA-1A: Drainage Area Information: Total Area = 90,953.28 ftz = 2.088 ac Impervious Area = 59,110.92 ftz= 1.357 ac Pervious Area = 31,842.36 ftz = 0.731 ac Determine the runoff coefficient Rv; Rv = 0.05 + 0.9 * IA where 0.05 + 0.9 (0.650) 0.635 Determine the volume of runoff V. REC�IVEI� S F P 0 3 2009 BY: IA = 1.357/2.088 = 0.650 V = 3,630 * Rp * Rv * A where RD= 1-inch (3,630) (1) (0.635) (2.088) = 4,812.94 ft3 Determine Actual Storage provided @ 1 ft depth = 4,872.63 + [394.27' x 0.5' (avg depth of slope) x 3.0' (width of slope)] = 4,872.63 + 591.40 = 5,464.03 ft3 > 4,812.94 ft3 ... OK Assuming one foot of ponding the minimum surface area required = 4,812.94 ftz Actual surface area = 5,464.03 ftz > 4,812.94 OK INFILTRATION CALCUATIONS: Time to Reach 2' Below Surface Dist. From Surface to WT = 2.52 ft RECEIVED SFP 0 3 2009 BY: Basin ID: BA-1A Ksat = 5 ft/day Hydraulic Head in Hydraulic Gradient Head Drop [rate] (ft/day) (day/ft) Head Drop [length] Time for Head Drop From BMP Adjusted to time step time step cumulative bottom Datum ft/ft (ft) (day) (hr) (hr) 12 42 1.40 6.98 0.143 0.00 0.0000 0.00 0 6 36 1.20 5.99 0.167 0.50 0.0716 1.72 1.72 0 30 1.00 5.00 0.200 0.50 0.0834 2.00 3.72 -6 24 0.80 4.01 0.250 0.50 0.1000 2.40 6.12 -12 18 0.60 3.02 0.3321 0.501 0.1248 2.99 9.11 -18 12 0.40 2.02 0.494 0.50 0.1658 3.98 13.09 -24 6 0.21 1.03 0.969 0.50 0.2471 5.93 19.02 45 40 35 30 c 25 v m 20 xd 15 10 5 0 0 2 4 6 8 10 12 14 16 18 20 Time (hrs) Bioretention Basin BA-1C: Drainage Area Information: Total Area = 27,878.00 ft2 = 0.640 ac Impervious Area = 21,484.03 ft2 = 0.493 ac Pervious Area = 6,393.97 ft2 = 0.147 ac Determine the runoff coefficient Rv: RV = 0.05 + 0.9 ` IA where = 0.05 + (0.9) (0.771) = 0.744 Determine the volume of runoff V. IA = 0.493/0.640 = 0.771 V = 3,630' Ro ` Rv. A where RD= 1-inch = 3,630 (1) (0.744) (0.640) = 1,727.46 ft3 Determine Actual Storage provided @ 1 ft depth 2009 YCF.IVED P 0 3 = 1,798 + [196.85' x 0.5' (avg depth of slope) x 3.0' (width of slope)] = 1,798 + 295.28 = 2,093.28 ft3 > 1,727.46 ft3 .-. OK Assuming one foot of ponding the minimum surface area required = 1,727.46 ft2 Actual surface area = 2,093.28 ft2 > 1,727.46 •'• OK INFILTRATION CALCLATIONS: Time to Reach 2' Below Surface Dist. From Surface to WT = 3.09 ft RECEIVED SEP 0 3 2009 BY: Basin ID: BA-1C Ksat = 5 ft/day Hydraulic Head in Hydraulic Gradient Head Drop [rate] (ft/day) (day/ft) Head Drop [length] Time for Head Drop From BMP Adjusted to time step time step cumulative bottom Datum ft/ft (ft) (day) (hr) (hr) 12 48 1.32 6.62 0.151 0.00 0.0000 0.00 0 6 42 1.16 5.81 0.172 0.50 0.0756 1.81 1.81 0 36 1.00 5.00 0.200 0.50 0.0861 2.07 3.88 -6 30 0.84 4.19 0.239 0.50 0.1000 2.40 6.28 -12 24 0.68 3.38 0.296 0.50 0.1193 2.86 9.14 -18 18 0.51 2.57 0.389 0.50 0.1478 3.55 12.69 -24 12 0.35 1.76 0.567 0.50 0.1943 4.66 17.35 60 50 40 v 30 m x 20 10 0 0 2 4 6 8 10 12 14 16 18 20 Time (hrs) SEP 3 2009 Bioretention Basin BA-2: Drainage Area Information: Total Area = 35,232.00 ft2 = 0.809 ac Impervious Area = 29,185.20 ft2 = 0.670 ac Pervious Area = 6,046.80 ft2 = 0.138 ac Determine the runoff coefficient Rv. RV = 0.05 + 0.9 * IA where 0.05 + 0.9 (0.828) = 0.795 Determine the volume of runoff V V = 3,630 * Rp * Rv * A where = 3,630 (1) (0.795) (0.809) IA = 0.670/0.809 = 0.828 RD= 1-inch = 2,334.65 ft3 Determine Actual Storage provided @ 1 ft depth = 2,041.57 + [224.27' x 0.5' (avg depth of slope) x 3.0' (width of slope)] = 2,041.57 + 336.41 = 2,377.98 ft3 > 2,334.65 ft3 .'. OK Assuming one foot of ponding the minimum surface area required = 2,334.65 ft2 Actual surface area = 2377.98 ft2 > 2334.65 ft2 •.. OK EP03VBY- INFILTRATION CALCUATIONS: Time to Reach 2' Below Surface Basin ID: BA-2 Dist. From Surface to WT = 3.44 ft Ksat = 5 ft/day Hydraulic Head in Hydraulic Gradient Head Drop [rate] (ft/day) (day/ft) Head Drop [length] Time for Head Drop From BMP Adjusted to time step time step cumulative bottom Datum ft/ft (ft) (day) (hr) (hr) 12 54 1.29 6.45 0.155 0.00 0.0000 0.00 0 6 48 1.15 5.73 0.175 0.50 0.0775 1.86 1.86 0 42 1.00 5.00 0.200 0.50 0.0873 2.10 3.95 -6 36 0.85 4.27 0.234 0.50 0.1000 2.40 6.35 -12 30 0.71 3.55 0.282 0.50 0.1170 2.81 9.16 -18 24 0.56 2.82 0.355 0.50 0.1410 3.38 12.55 -24 18 0.42 2.09 0.478 0.50 0.1773 4.26 16.80 60 50 40 .. - 30 0 - A w x 20 10 0 0 2 4 6 8 10 12 14 16 18 Time (hrs) Bioretention Basin BA-3: Drainage Area Information: Total Area = 10,979.00 ft2 = 0.252 ac Impervious Area = 9,773.00 ft2 = 0.224 ac Pervious Area = 1,206.00 ft2 = 0.028 ac Determine the runoff coefficient Rv; Rv = 0.05 + 0.9 " IA where = 0.05 + 0.9 (0.889) = 0.85 Determine the volume of runoff V. V = 3,630 * RD * Rv - A 3,630 (1) (0.85) (0.252) Actual Storage provided @ 1 ft depth IA = = 777.55 ft3 0.224/0.252 0.889 SPP 0 3 2009 = 798.12 + [131.20' x 0.5' (avg depth of slope) x 3.0' (width of slope)] = 798.12 + 196.8 = 994.92 ft3 > 777.55 ft3 ... OK Assuming one foot of ponding the minimum surface area required = 777.55 ft2 Surface area provided = 994.92 ft2 > 777.55 ft2 OK INFILTRATION CALCUATIONS: Time to Reach 2' Below Surface Dist. From Surface to WT = 2.49 ft RECEIVED SEP 0 3 2009 BY: Basin ID: BA-3 Ksat = 5 May Hydraulic Head in Hydraulic Gradient Head Drop [rate] (ft/day) (day/ft) Head Drop [length] Time for Head Drop From BMP Adjusted to time step time step cumulative bottom Datum ft/ft (ft) (day) (hr) (hr) 12 42 1.40 7.01 0.143 0.00 0.0000 0.00 0 6 36 1.20 6.00 0.167 0.50 0.0713 1.71 1.71 0 30 1.00 5.00 0.200 0.50 0.0833 2.00 3.71 -6 24 0.80 4.00 0.250 0.50 0.1000 2.40 6.11 -12 18 0.60 2.99 0.334 0.501 0.1251 3.00 9.11 -18 12 0.40 1.99 0.503 0.501 0.1671 4.01 13.12 24 6 0.20 0.98 1.016 0.501 0.2515 6.04 19.16 45 40 35 30 25 v = 20 15- 10 _ 5 - 0 0 5 10 15 20 25 Time (hrs) Bioretention Basin BA-4: Drainage Area Information: Total Area = 11,993.00 ft2 = 0.275 ac Impervious Area = 10,454.00 ft2 = 0.240 ac Pervious Area = 1,539.00 ft2 = 0.035 ac Determine the runoff coefficient Rv. RV = 0.05 + 0.9 * IA where 0.05 + 0.9 (0.873) = 0.835 Determine the volume of runoff V. RECEIVED C F P 0 3 2009 BY:�_ IA = 0.240/0.275 = 0.873 V = 3,630 * Rp * Rv * A 3,630 * (1) * (0.835) (0.275) = 833.54 ft3 Actual Storage provided @ 1 ft depth _ [144.35' x 0.5' (avg depth of slope) x 3.0' (width of slope)] + 835.31 = 216.53 + 835.31 = 1,051.94 ft3 > 833.54 ft3 .•. OK Assuming one foot of ponding the minimum surface area required = 833.54 ft2 Surface area provided = 1,051.94 ft2 > 833.54 ft2 OK SEP 0 3 2009 INFILTRATION CALCUATIONS: Time to Reach 2' Below Surface Basin ID: BA-4 Dist. From Surface to W T = 2.09 ft Ksat = 5 ft/day Hydraulic Head in Hydraulic Gradient Head Drop [rate] (ft/day) (day/ft) Head Drop [length] Time for Head Drop From BMP Adjusted to time step time step cumulative bottom Datum ft/ft (ft) (day) (hr) (hr) 12 36 1.48 7.39 0.135 0.00 0.0000 0.00 0.00 6 30 1.24 6.20 0.161 0.50 0.0676 1.62 1.62 0 24 1.00 5.00 0.200 0.50 0.0807 1.94 3.56 -6 18 0.76 3.80 0.263 0.50 0.1000 2.40 5.96 -12 12 0.52 2.61 0.383 0.50 0.1314 3.15 9.11 -18 6 0.28 1.41 0.708 0.50 0.1917 4.60 13.72 40 35 30 25 c v 20 m v 2 15 10 5 0 0 2 4 6 8 10 12 14 16 Time (hrs) MSA, P.C. Environmental Sciences Planning Surveying 5033 Rouse Drive , Virginia Beach, VA 23462-3708 (757) 490-9264 Office (757)490-0634 Fax CEIVED SEP 0 � 2009 Civil & Environm ntal E in rin an ca e Architecture BY: stville, VA 23347 P.O. Box 246, Eastville, VA 23347 Office (757) 414-0234 Fax (757)678-7882 m— ;Project Number,' , ' ,y ' s^" i i"-"'. Si xerE Mary Jean Naugle 09/02/2009 03222A North Carolina Dept. of Environmental and Natural Resources Wilmington Regional Office - Division of Water Quality 127 Cardinal Drive Extension ,Wilmington, NC 28405 We are sending you the following items: MCON P648 NAMTRA MARU FACILITY Copies Date Description 2 09/02/2009 Revised Calculations 4:. n For your use ❑ As requested ❑ For review & comment ❑ Approved as noted ❑ Other ❑ For recordation ❑ For signature ❑ For signature and notarization ❑ Response required ❑ Email ❑ Mail ❑ Deliver ❑ Pickup n Overnight UPS-Ovemight ❑Via Fax# etuatl�s F, � . Copy To:: File By: Michael D. Hess, E.I.T. Titic: Project En incer III Office: Virginia Beach J Naugle, Mary From: Mike Hess [mike hess@msaonline.com] Sent: Wednesday, September 02, 2009 5:12 PM To: Naugle, Mary Cc: david Subject: Re: NAMTRA-Addtitional Info Mary, I have only sent you what was required to be revised. You should have or will receive the following: By SNAIL MAIL (9/2/09) V= Revised Plans (only those sheets requiring revisions) Revised Calculations (please disregard as they do not include the most comprehensive set of draw down calcs) ,; Responses to your comments. By EMAIL today (9/2/09) BMP Supplement Forms (the most current one from you website) / Checklist (from the supplement form file) Revised digital copy of the Calculations (to replace the hard copy package received via snail mail 9/2/09) By SNAIL MAIL tomorrow (9/3/09)1d1,tQ-7- wl Revised hard copy of the Calculations sent via email on 9/2/09 From David ,//- Signed and notarized copies of the O&M's I hope this helps clarify any confusion. Please let me know if there is anything else I can do to assist you. Regards, Michael D. Hess, FIT, NSPE, Project Engineer III MSA, P.C. Environmental Sciences • Planning • Surveying Civil & Environmental Engineering • Landscape Architecture 757-490-9264 [Ofe] 757-490-0634 [Fax] Offices in Hampton Roads and Virginia's Eastern Shore http://www.msaonline.com ----- Original Message ----- From: "Mary Naugle" <mary.naugle@ncdenr.gov> To: "Mike Hess" <mike_hess@msaonline.com> Sent: Wednesday, September 2, 2009 3:08:30 PM GMT -05:00 US/Canada Eastern Subject: FW: NAMTRA - Addtitional Info Mike; Did you send a complete set in the paper mail, so that I know which one to use ? Thank you Mary Jean Naugle NC DEAR Express Permitting NC Division of Water Quality 127Cardinal Drive Ext. Wilmington, NC 28405 910-796-7215 910-796-7303 910-350-2004 fax mare. naualeencdenr. go v Please note: E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Naugle, Mary Sent: Wednesday, September 02, 2009 2:13 PM To: 'Mike Hess' Cc: david Subject: RE: NAMTRA - Addtitional Info Mike; I will look for the ad info in the paper mail Thursday based on this e-mail and your phone message. Thank you, Mary Jean Naugle NC DENR Express Permitting NC Division of Water Quality 127Cardmal Drive Ext. Wilmington, NC 28405 910-796-7215 910-796-7303 910-350-2004 fax mart' nougle @ncdenr. go v Please note: E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties. From: Mike Hess[ma !Ito:mike_hess@msaonline.com] Sent: Wednesday, September 02, 2009 11:57 AM To: Naugle, Mary Cc: david Subject:'NAMTRA - Addtitional Info Mary, Attached are the new supplement forms and checklist. You should be receiving hard copies of the revised plan sheets and calculations today. l have since revised the calculations to show the drawdown to 24" below the surface. Because of this please disregard the hard copy of the calcs you will receive today as I will be sending a revised more comprehensive via overnight mail. The attached a digital copy of the calcs is what you will be receiving tomorrow in the mail. Also, David has the O&M's. You should receive these with the required signatures shortly. If you have any questions feel free to contact me. Michael D. Hess, EIT, NSPE, Project Engineer III MSA, P.C. Environmental Sciences • Planning Surveying Civil & Environmental Engineering Landscape Architecture 757-490-9264[Ofc] 757-490-0634[Fax] Offices in Hampton Roads and Virginia's Eastern Shore http://www.msaonline.com Michael D. Hess, FIT, NSPE, Project Engineer III MSA, P.C. Environmental Sciences • Planning Surveying Civil & Environmental Engineering Landscape Architecture 757-490-9264 [Ofc] 757-490-0634[Fax] Offices in Hampton Roads and Virginia's Eastern Shore http://www.msaonline.com 3 Naugle, Mary From: Mike Hess [mike hess@msaonline.com] Sent: Wednesday, September 02, 2009 11:57 AM To: Naugle, Mary Cc: david Subject: NAMTRA - Addtitional Info Attachments: Calculations.tif; Project Checklist.tif; 03222a - Supplement Forms - 09.02.09.pdf Mary, Attached are the new supplement forms and checklist. You should be receiving hard copies of the revised plan sheets and calculations today. I have since revised the calculations to show the drawdown to 24" below the surface. Because of this please disregard the hard copy of the calcs you will receive today as I will be sending a revised more comprehensive via overnight mail. "rhe attached a digital copy of the calcs is what you will be receiving tomorrow in the mail. Also, David has the O&M's. You should receive these with the required signatures shortly. If you have any questions feel free to contact me. Michael D. Hess, Err, NSPE, Project Engineer III MSA, P.C. Environmental Sciences • Planning • Surveying Civil & Environmental Engineering • Landscape Architecture 757-490-9264 [Ofc] 757-490-0634[Fax] Offices in Hampton Roads and Virginia's Eastern Shore http://www.msaonline.com CET PE 'II►�',I I�� DISA, PC. SEp 0 ! 200� 5033 Rouse Drive, Virginia Beach, VA 23462-3708 lQ':�i Officc 757-490-9264 • Far 757-490-0634 wmlv.msaouli ic.coni Environmental Sciences • Planning • Surveying • Civil &- F,mironmenttd Engince,ing • lamd>cape Areluteciure September I, 2009 Mary Jean Naugle North Carolina Dept. of Environmental and Natural Resources Wilmington Regional Office - Division of Water Quality 127 Cardinal Drive Extension Wilmington, NC 28405 RE: NAMTRA MARU Facility — P-648, Onslow County Stormwater #SW8 090810; MSA #03222A Dear Ms. Naugle: Enclosed,for your review and approval is the revised application package fer the abw rr. lerenced project. Each of your comments dated August 26, 2009 have been addressed' as follow'§: Please provide design information on the current supplements for bioretention basins. "i'he current supplements are on the state stormwater website at: littp:Hli2o.eiir.sUite.nc.us/su/biiip forms.hi m. Previous scope meeting.; with Linda LCWis outlined requirements to use the current forms. Information is needed on the supplemrni for ponding depths, length and width of ponding areas, surface areas, etc.. as outlined cn they supplement. Response: Please see attached BMP supplemental form. All data from the old BLVIT� 1 � supplemental form has been transposed onto the new forms. 2. Please clarify the soil permeability for each basin. For example, the supplement for Bann 4F3A- IA reports in -situ soil rate of 0 in/hr with a planting soil rate of 2.5 in/hr, and the calculations report I ft/hr within the facility. An example was given here for one basin; please verify eael of the five basins. Response: An acceptable soil permeability for the in -situ soil has been indicated in the supplemental form attached. In order to gain access to these permeable soils undercutting will be required in addition to that needed for the storage volume and media thickness for the proposed BA -I A. It should be noted this was also required for the basins that have already been constructed. All existing unpermitted basins are currently operating effectively without any standing water. It is to be assumed these basins were excavated to suitable soils and backfilled with clean washed sand. Please see below for the depth of undercut needed in order for these basins to function properly. Additionally, the infiltration rate of the proposed planting media is 2.5 in/hr which equated to 0.208 ft/hr. This was misrepresented in the calculations as the hydraulic gradient. The nomenclature in the calculations has been revised to eliminate this confusion. Basin Additional Undercut BA-1A 2.5 ft BA-1 C 5 ft BA-2 6 ft BA-3 4 ft BA-4 4 ft Making Clients Successful Since 1973 -- S Ms. Mary Jean Naugle September 1, 2009 Project #SW8090810;MSA#03222A SEP 0 9 2009 Page 2 BY: Please clarify the method for draining the cell(s). The permeability of the planting media is greater than the permeability of the in -situ soil. The supplement on page 2 states that the system "does not" incorporate the use of an under -drain. Response: The cells will drain via infiltration. Corrections have been made to the permeability of the in -situ soils within the supplement forms. Please see the supplement forms. Dll fC-e &3L-4 0.3 OP-0 Cites+ 'Z,sj W11-0 I cS SUP nn,1r^L Please clarify the ponding depth of water. Response: Please see the attached supplement form for ponding depths. Please provide information regarding the excess volume. Does volume in excess of the design volume bypass the bioretention cell? Does volume in excess of the design volmme Flow evenly distributed through a vegetated filter? What is the length of the vegetated filter? Does the design use a levei spreader to evenly distribute flow? If other mechanism please specify. Please locate bypass on plans with details, as well as information on the supplements. The excess storm should bypass the bioretention basins to a. vegetated area to avoid damage to the system. A splitter type inlet box may be used on each basin to route the excess design storm around the basin to ' vegetation. Response: The plans have been revised to incorporate the ability to bypas excess flow. Excess flow from basin BA-1A will discharge through an overflow weir and w li be conveyed to an existing grass swale via a proposed grass Swale. Basin BA-lt: currently indicates a drop inlet with the intent it would be used as a device to convey excess tlon prior to the runoff entering the basin. To more clearly depict this a swale line has been she.vn oil the plans indicating the intent of the bypass structure. Basin BA-2 is currently designed with the. ability to bypass a cess runoff. At the point where this basin reaches caI),;1&y excess -runoff will continue to now down the curb line and enter the curb inletonthu East. side of the basin. The plans have been revised to make BA-3 and BA-4 function like BA-1, In an effort to minimize site impact while still providing treatment to previously mltreated imperviousness the bypass structures for bioretention basins BA -IC, BA-2, BA-3, and BA-4' discharge to an existing storm sewer system therefore eliminating the possibility for a vegetated filter or level spreader-. The proposed BA -IA does discharge to a proposed grass Swale which connects to an existing grassed swale. Plans and details have been revised to indicate what has been described above. A note on Sheet C-804 under the curb inlet and drop inlet detail has been placed indicating which inlets will be utilized as bypass structures. Should you have any questions or concerns please contact me at 757-490-9264 or email me at mike hess@msaonline.com. Sincerely, Michael D. Hess, E.I.T. Project Engineer III MDH/cag Cc: Carl Baker— Marine Corps Base, Camp Lejeune ILIFFAA NCDENR North Carolina Department of Environment and Natural Resources Beverly Eaves Perdue Governor August 26, 2009 Division of Water Quality Coleen H. Sullins Director Carl Baker, Deputy Public Works Officer Commanding Officer, Marine Corps Base, Camp Lejeune 1005 Michael Road Camp Lejeune, NC 28542 Subject: Request for Additional Information Stormwater Project No. SW8 090810 NAMTRA MARU Facility — P-648 Onslow County Dear Mr. Baker: Dee Freeman Secretary The Wilmington Regional Office received an Express Stormwater Management Permit Application for NAMTRA MARU Facility P-648 on August 25, 2009. 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 provide design information on the current supplements for bioretention basins. The current supplements are on the state stormwater website at: http://h2o.enr.state.nc.us/su/bmp forms.htm. Previous scope meetings with Linda Lewis outlined requirements to use the current forms. Information is needed on the supplement for ponding depths, length and width of ponding areas, surface areas, etc... as outlined on the supplement. 2. Please clarify the soil permeability for each basin. For example, the supplement for Basin #BA-1A reports in -situ soil rate of 0 Whir with a planting soil rate of 2.5 in/hr. and the calculations report 1 ft/hr within the facility. An example was given here for one basin; please verify each of the five basins. 3. Please clarify the method for draining the cell(s). The permeability of the planting media is greater than the permeability of the in -situ soil. The supplement on page 2 states that the system "does not" incorporate the use of an under -drain. 4. Please clarify the ponding depth of water. 5. Please provide information regarding the excess volume. Does volume in excess of the design volume bypass the bioretention cell? Does volume in excess of the design volume flow evenly distributed through a vegetated filter? What is the length of the vegetated filter? Does the design use a level spreader to evenly distribute flow? If other mechanism please specify. Please locate bypass on plans with details, as well as information on the supplements. The excess storm should bypass the bioretention basins to a vegetated area to avoid damage to the system. A splitter type inlet box may be used on each basin to route the excess design storm around the basin to vegetation. 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 September 3, 2009, or the application will be returned as incomplete. The return of a project will necessitate re -submittal 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 or additional information fees. 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. Wilmington Regional Office 127 Cardinal Drive Extension, Wilmington, North Carolina 28405 One Phone: 910-796-72151 FAX: 910-350-20041 Customer Service: 1-877-623-6748 North Carolina Internet: w .nmaterquality.org LL {4L si" ��/�J►� turn l y An Equal Opportunity\ Affirmative Action Employer 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 label all packages and cover letters as "Express" and reference the project name and State assigned project number on all correspondence. If you have any questions concerning this matter please feel free to call me at (910) 796-7303 or email me at mary.Naugle@ncdenr.gov. Sincerely, w Manin augle GDS/mjn: S:\WQS\STORMWATER\ADDINFO\2009\090810 aug09 cc: Michael D. Hess, EIT, MSA, PC, 757-490-9264, fax: 0634 M.J. Naugle Page 2 of 2 TRANSMISSION VERIFICATION REPORT TIME : 08/26/2009 12:20 NAME : NCDENR FAX : 9103502018 TEL : 9167967215 DATE,TIME 08/26 12:19 FAX NO./NAME 917574900634 DURATION 00:00:57 PAGE(S) 03 RESULT OK MODE STANDARD State of North Carolina Department of Environment and Natural Resources Wilmington Regional Office Beverly Eaves Perdue, Governor Date: -4 } To: s S Co: 1 Fax: '/. J / Re: FAX COVER SHEET 3 Hard Cony to follow w Dee Freeman, Secretary No. Pages (excl. cover): Z Express Permitting From: Sandra Exum Phone(910),796-7265 Fax: (2](1) 350-2004 �y dui 127 Cardinal Drive Extension. Wilmington, NC 28405 • (910) 796-7215 • An Equal Opportunity Affinaativc Action Employer TRANSMISSION VERIFICATION REPORT TIME : ee/26/2009 12:18 NAME : NCDENR FAX : 9103502018 TEL : 9107967215 DATE,TIME 08/26 12:18 FAX NO./NAME 919104512927 DURATION 00:00:52 PAGE(S) 03 RESULT OK MODE STANDARD ECM State of North Carolina Department. of Environment and Natural Resources Wilmington Regional Office Dee Freeman, Secretary cleverly Eaves Perdue, Governor FAX COVER Si%FET No. Pages (excl. cover): Express Permitting From: Samba Exum Phone: (91(D 796-7265 Fax: L 0 1 50-2004 Hard couv to follow 127 Cardinal Drive Extension, Wilmington, NC 28405 • (910) 796-7215 • An Equal Upporttmity Affirmative Action Employer cr�r✓�'�,�-vGn o-v� VA �I" Tel act (q Wcj � ( 0,6) s k)TT U1rciQ1'-� p � L jo 1W��dd c�ac�-�,� °�SC�2�► -� �� wQ� Lk ` B c7Pl MOM State Stormwater Management 3. 4. 5. 6. 7. 8. 9. 10. 11 12 13 14 The drainage�rea to he system contains approximately the permitted acreage. The drainage aL to the system contains no more than the permitted amount of built -upon area. \ All the built -upon area associated with the project is graded such that the runoff drains to the system` All roof drains are located such that the runoff is directed into the system. The bypass struct a We\ elevation is per the approved plan. The bypass structure is located per the approved plans. A Trash Rack is provided `n\he bypass structure. All slopes are grassed with permanent vegetation. Vegetated slopes are no steeper than 3:1. The inlets are located per the approved plans and do not cause short-circuiting of the system. The permitted amounts of surface\ All required designidepths are provid All required parts ofIthe system are K The required system dimensions are cc: NCDENR-DWQ Regional Office Brunswick County Building Inspections Page 7 of 7 and/or volume have been provided. per the approved plans. DEPARTMENT OF THE NAVY TELEPHONE NO: NAVAL FACILITIES ENGINEERING COMMAND (757) 322-4I58 ATLANTIC 6506 HAMPTON BLVD IN asnLv DEFER M. =BY: NORFOLK VA 23508-1278 N62430.05-C-2040 OPCkQ2: CNG 08 June 2005 L.C. Gaskins Construction Co., Inc. and C Constriction Co., Inc. A Joint Venture 7016 Davis Creek Road Jacksonville, Florida 32256 RE: CONTRACT N62470A5-C-2040, NAMTRA MARU MAINTENANCE TRAINING FACILITY, MARINE CORPS AIR STATION, NEW RIVER, JACSKONVILLE, NORTH CAROLINA Gentlemen: Enclosed is your copy of Standard Form 33, "Solicitation, Offer and Award" for contract N62470-05-C-2040, dated 08 June 2005. Subject to receipt and approval of acceptable performance and payment bonds, you are hereby directed to proceed with the work under the authority of this notice. Please contact the office shown in Block 24, within 10 days after the date of this letter, for the purpose of arranging a precwnstruction meeting with, Assistant Resident Officer/Engineer in Charge of Construction. The purpose of this meeting is to review various base regulations and contract administrative procedures. Sincerely, SHARON A. TAYLOR Construction Contracts Division Contracting Officer By direction of the Commander End: (1) SF 33 N6247"S-C-2040 Copy to: ROICC Camp Lejeune, NC Quality Performance ... Quality Results 14, 7REC� �- �UG ? 5 2009 BY �Q Stormwater Management Narrative P-648 NAMTRA MARU Facility MCB Camp Lejeune Onslow, NC MSA Project No. 03222A Existing Conditions: The purpose of this project is for the development and redevelopment of three (3) treks of land within the immediate vicinity of each other. The areas to be disturbed consist of 4.06 acres located to the north and south of Campbell Street and in-between Bancroft Street and McAvory Street on the New River Marine Corps Air Station. The sites are situated just north of the northern most tarmac. An existing parking lot to the north of Campbell Street is to be demolished to allow for the construction of a training facility and a small improved parking lot. An existing parking lot to the south of Campbell Street will be retrofitted by reducing the use of curb and gutter and utilizing a bioretention basin to improve stormwater quality. An existing grassed area to the south of Campbell Street will be developed into a parking lot. The sites are generally flat sloping gradually to the north where an existing system of swales and ditches ultimately conveys all runoff to the White Oak River Basin via the Stick Creek. No evidence of wetlands has been observed onsite. Consequently, a wetland delineation was not performed. Proposed Conditions: Five (5) bioretention basins will be implemented to reduce runoff and improve the stormwater quality for this high density development. Site impact has been minimized by using the existing storm sewer system and on site swales to convey runoff to and from the basins. Excess runoff will be conveyed through the use of existing and proposed storm sewer system. The basins will treat the first 1" of runoff for the 2.98 acres of proposed impervious area. Calculations for which are included with this submittal package. This 2.98 acres of impervious area equates to a 73% impervious coverage for the project. Seasonal high water tables were determined from the soil borings performed by GER. A copy of this soils report has also been included with this submittal. It should be noted the purpose of this soils report was to facilitate in the design of the foundation and pavement sections. Due to the methods used to obtain the logs and the locations of the borings the SHWT indicated for the BMPs are approximations. Additionally, there is a fairly consistent layer of fat clay with a layer of sand lying beneath it. Due to these factors a note has been placed on the plans indicating the need for a field inspector to verify if the in-suti soils have a suitable infiltration rate prior to the construction of the bioretention basins. This project will not impact any buffers of any kind. 7G121) 9�_ Project History: Prior to this submittal this project had gone through extensive review and unfortunately, for reasons that have not been determined, the process stopped in early 2006. Prior to that engineers from out company and reviewing agents from your organization made great strides in progressing this project to a approvable status. As of the last comment letter the revisions that were requested were fairly minor. The most significant of which was the addition of bioretention basin BA-1 A. This was added to treat impervious area that had gone untreated in previous submittals. This firm has used that comment letter as a bench mark to progress forward in an effort to achieve a permit. A copy of which, as well as this firm's responses has been included for your reference. It should also be noted this plan set was approved by the Navy on June 8, 2005 in the form of an Award Letter. A copy of this letter has been included with this narrative. Due to this, all previous work, as well as the most recent changes, have been made in accordance to the old regulations. Stormwater Management Narrative for P-648 NAMTRA MARU Facility *Gut CONSULTING ENGINEERS GeoEnvironmental Resources, Inc. Environmental • Groundwater • Haurdous Matenals -Geotechnical • Industnal HBA One Columbus Center, Suite 1000 Virginia Beach, Virginia 23462 Attention: Mr. Joe Bovee, AIA Subject: Report of Geotechnical Exploration P-648 NAMTRA-MARU Facility MCAS New River Jacksonville, North Carolina A&E Contract No. N62470-03-D-1137 HBA Project No. 03127.1 GER Project No. 110-3528 �2EC 13 -'v' AUG ^ � 2009 BY:___ Wednesday, 14 July 2004 GeoEnvironmental Resources, Inc. is pleased to present this report of geotechnical exploration for the proposed NAMTRA-MARU Facility, Marine Corps Air Station, New River, Jacksonville, North Carolina. These services were performed in accordance with our fee proposal dated December 31, 2003 and authorized by Mr. Bovee of HBA. We appreciate the opportunity to serve as your geotechnical consultant on this project and trust that you will contact us at your convenience with any questions you may have concerning this report or the project in general. Sincerely, GeoEnvironmental Resources, Inc. Charles F. P. Crawley, III, P.E. Lip 9 Senior Engineer = OL EAL rt J 028246 _ Scott A. Barnhill, P.E. Vice President ,rrrt uP111" O SOUThERN PROfESSIONAI CENTER 1 271 2 SOUThERN BOUIEVARd, SUITE 101 V1RQN1A BEACH, ViRg1NIA 23452 (757) 463-3200 FAX (.757) 463.3080 gERMAiI@gERON[iNE.COM EcEry ,� A) "' , 0I� AUG ^ 5 2000 �r1(lt� ��u3kUgUkt- N �P' REPORT OF GEOTECHNICAL P-648 NAMTRA-MARU FAdhTy MARINE CORPS AIR STATION NEW RIVER JACI<SONVil[E, NORTh CAROhNA prepared for HBA Architects Virginia Beach, Virginia 14 July 2004 o ' CONSULTING ENGINEERS GeoEnvironmental Resources, Inc. Environmental • Groundwater • Hazardous Materials • Geotechnical • Industrial SOUThERN PROIESSiONAI CENTER.1 2712 SOUTHERN BOUIEVARd, SUITE 101 ViRgiNiA BEACh, ViRGiniA 23452 (757) 463.3200 Fax (757) 463.3080 E•MAil GERMAil@gERONIiNE.coM AUG 3 5 2009 CONTENTS Southern Professional Center 1 2712 Southern Boulevard, Suite 101 Virginia Beach, Virginia 23452 (757) 463-3200 Fax (757) 463-3080 germail@geronline.corn Environmental Groundwater Hazardous Materials Geotechnical Industrial Section 1 Report Section 2 Drawings Section 3 Test Boring Data Section 4 Laboratory Test Data Section 5 Procedures RECEWE D AUG 3 5 2009 BY: REPORT OF GEOTECHNICAL EXPLORATION P-648 NAMTRA-MARU FACiliTy MCAS NEW RIVER, NORTH CAROIINA GER Project 110-3528 14 July 2004 Executive Summary ❑ The subsurface soils encountered in the borings were composed of five general stratigraphic layers of North Carolina's Atlantic Coastal Plain geologic province. They include: Sl - Loose to firm clayey silty SAND mixed with fill and clay to depths of about 0.3 to 1.2 m (1 to 4 ft) S2 - Stiff to very soft silty CLAY to depths of about 2.4 to 3.5 m (8 to 11.5 ft) S3 - Very loose to dense silty to clean SAND with traces of organics to depths of about 5.2 to 6.7 m (17 to 22 ft) S4 - Very loose to firm clayey and silty SAND to depths of about 8.5 to 9.8 m (28 to 32 ft) S5 - Firm to very dense silty SAND and SHELL to the maximum exploration depth of 30.5 m (100 ft) ❑ The anticipated structural loads combined with differential filling of the site is expected to result in intolerable settlement of conventional spread footings. Pile foundations driven into the fifth stratum are recommended for supporting the structural framing. Estimated lengths and capacities for driven prestressed concrete and timber piles are provided. ❑ The average 1 meter ( 3.3 ft) grade increase at the north end of the building is expected to settle up to 40 mm (1.5 in) under fill and floor loads and may create download on pile foundations in this area. A conventional slab -on -grade floor slab may be used for the project after preloading with surcharge at the northern end of the site. Otherwise, a structural supported floor slab should be considered. ❑ Groundwater was encountered in the borings at a depth of about 1 to 2 m (3 to 6 ft) below the ground surface during the exploration. Groundwater may impact excavations for some foundations. Dewatering by ditching and sump pumping along with the aid of crushed aggregate may be required. ❑ The majority of excavated soils from the site are not recommended for reuse as fill in the building and pavement areas. ❑ A design CBR value of 4 was determined for compacted Stratum 1 subgrade soils based on laboratory testing. Use of typical light duty asphalt pavements are appropriate for automobile parking. ❑ Seismic Site Class D was determined for the site. ❑ Pockets of uncontrolled fill and buried structures may be encountered on the site, particularly the proposed parking areas. GER AUG ^•, 5 7009 P-648 NAMTRA-MARU FAcilily Purpose of Exploration 110.3528 The purpose of this exploration was to evaluate general subsurface conditions in the planned building and paving areas. Geotechnical recommendations for design and construction of the project foundations and pavements are provided based on analysis of the field and laboratory data obtained. Project Information The proposed project is an approximate 3716 square meter (40,000 sf) aircraft maintenance training facility at the Marine Corps Air Station, New River in Jacksonville, North Carolina. The site location is shown in Figure 1 and Drawing 1. We understand the facility will include a single -story classroom/training/administration building and a 10.7 m (35 ft) high bay hangar. Construction is anticipated to consist of structural steel framing, brick masonry exterior, concrete floor slab and pile supported foundation. Anticipated structural loads were provided as 1300 kN (300 kips) or less for columns and 7 kPa (150 psf) for floor loading. The proposed building floor elevation is 5.33 m (17.5 ft). The project will also include 3 paved parking lots for light duty vehicles and associated underground utilities and stormwater management. Site Conditions The project site is currently composed of asphalt pavements, open grass areas, several trees, ditches and underground utilities. Recent site photographs are shown in Figure 2 and Drawing 2. The ground surface is mostly flat with the lowest area at the north end of the proposed building. Ground elevations range from about 4.0 to 5.5 m (13 to 18 ft) above mean sea level (NGVD29) based on the site topographical drawing furnished to us. Subsurface Conditions The subsurface conditions were explored with six standard soil test borings drilled to a depth of 15.2 to 30.5 m (50 to 100 ft) below the ground surface in the planned building area, and three borings to a depth of 3 m (10 ft) in proposed pavement areas. In addition, three bulk soil samples were collected from the pavement area borings. The boring locations, shown in Figure 3 and Drawing 3, were selected and field located by GER. These locations C` K 1S.,i : O N:`' V` [ ' 1 � (SITE Figure 1. Site Location (a) 2000Aerial Photograph (b) Building Site Photograph Figure 2. Site Conditions GER AUG A,, 5 2000 P-648 NAMTRA-MARU FAciliry 110.3528 shall be considered approximate. Drilling and sampling was conducted in accordance with the procedures in Section 5 of this report. The subsurface conditions encountered at the boring locations are shown on the test boring records in Section 3 of this report. The test boring records represent our interpretation of the subsurface conditions based on visual examination of field samples obtained and selected laboratory classification testing. The lines designating the interface between various strata on the boring records represent the approximate interface location. In addition, the transition between strata may be gradual. Water levels shown on the boring records represent the conditions only at the time of the field exploration. Elevations shown . on the boring records were estimated using topographic data furnished to us and are approximate. Standard penetration tests were conducted in the borings at discreet 0 intervals in accordance with ASTM D 1586. Small disturbed samples were 2 obtained during the test and were used to classify the soil. The 4 resistances also provide a general 6 indication of soil strength and compressibility. Results are indicated E 8 in Figure 4. a c 16 Surface Materials The ground surface at the boring 12 locations was composed of about 100 14 to 200 mm (4 to 8 in) of topsoil, and approximately 60 to 75 mm (2.5 to 3 16 in) of asphalt over 150 mm (6 in) crushed shell aggregate in existing paved areas. These materials will likely vary in thickness and composition across the project area. PAGE Figure 3. Building Site Boring Locations : k W• - "ar' • B-1 B-z f' ♦ - 7 B-4 ♦: ♦ :. a B-5 8.6 —Mean • Y--' - - ...... Minimum -- - • —Maximum 10 20 30 40 50 60 70 80 Standard Penetration Resistance (blows/0.3 m) Figure 4. Standard Penetration Test Resistances Groundwater Groundwater was encountered in the borings at a depth of about 1 to 2 m (3 to 6 ft) below the ground surface during the exploration. This corresponds to a groundwater elevation of about 3 to 3.5 m (10 to 11 ft), msl. Groundwater may seasonally fluctuate by about 0.6 m (2 ft) between extreme high and low conditions of early spring and early fall. Fluctuations may also occur due to stratioraahv The subsurface conditions encountered in the borings were composed of five generalized soil strata. Figure 5 and Drawing 4 show a representation of the subsurface conditions encountered at the building location. Variations between this estimated profile and actual subsurface conditions can be expected. variations in rainfall, construction activity, tides, STRATUM 1 was encountered beneath topsoil and surface runoff and other factors. pavement to a depth of about 0.3 to 1.2 m (1 to 4 ft) in the borings. It consisted of loose to firm, tan, GER W G 3 5 2009 P-648 NAMTRA-MARU FAciliry black, brown and gray, clayey, silty and slightly silty fine to medium grained SAND (SC, SM, SP-SM). Some of this layer is FILL and contains shells, organics and other minor debris. In two borings it was interlayered with a stiff silty a sandy CLAY (CL). Standard ft penetration test (SPT) resistances ranged from 8 to 21 blows per 0.3 in (blows per foot) and averaged about 13 blows. Angle of internal friction is estimated at 300 to 330 for this layer with cohesion assumed to be zero. 1 10.3528 PAge 4 51 S.1W SAND&FILL-.—Psemenl ClrLmc- F ,.1 fj si 'sDX to Wry sort CLAY �� — sl-wry Lee«D._ sAxu U.V.q FNm cup, SAND ' M1Si� 55. Flnnbwn 0<n, nC SHELL STRATUM 2 was encountered 11 below Stratum 1 to a depth of Fi about 2.4 to 3.5 m (8 to 11.5 ft) below the ground surface in the borings. It consisted of stiff to very soft, gray mottled with brown, orange and tan, low to high plasticity, silty CLAY (CL, CH). It is partially to fully saturated. SPT resistances ranged from 2 to 11 blows/0.3 m and averaged about 5. SPT resistance generally decreased toward the bottom of this layer. Undrained strength of this layer is estimated at about 14 to 72 kPa (300 to 1,500 psf) based on SPT resistances and laboratory tests with an average of about 36 kPa (750 psf). Angle of internal friction is zero. STRATUM 3 was composed of very loose to dense, grey, white and green, fine to medium, silty to relatively clean SAND (SM, SP-SM, SP) with traces of organics. A thin organic clay layer was encountered in one boring. SPT resistances ranged from 2 to 32 blows/0.3 m and averaged about 15. Angle of internal friction is estimated at 290 to 360 for this layer with an average of about 320 and no cohesion. gure 6. Estimated Subsurface Conditions STRATUM 4 was encountered below Stratum 3 and extended to a depth of about 8.5 to 9.8 m (28 to 32 ft) below the ground surface in the borings. It was composed of very loose to firm, grey and green, fine to medium silty and clayey SAND (SM, 5C)with traces of shell and gravel. SPT resistances ranged from 0 to 18 blows with an average of 5. Angle of internal friction is estimated at 280 to 320 for this layer. It is assumed to be cohesionless. 15.2 to 30.5 m (50 to 100 ft) below the ground surface. It was composed of firm to very dense silty SAND (SM) and SHELL. Shell content was greatest in the upper 8 m (26 ft) of this layer. SPT resistances ranged from 18 to more than 100 blows with an overall average greater than 50. Angle of internal friction is estimated at 340 to more than 450 for this layer. It is assumed to be cohesionless. Laboratory Ana/yses Selected samples recovered from the borings were tested in the laboratory for natural moisture content, grain size, plasticity, unconfined compressive strength, consolidation, moisture - density relationship and California Bearing Ratio (CBR). Complete results of all laboratory testing conducted are included in Section 4 of this report. A summary of the CBR test results is shown in Table 1 below. Subsurface Conditions and Foundations The site, subsurface conditions and project STRATUM 5 was encountered below Stratum 4 information described in the previous sections have and extended to the maximum exploration depth of been evaluated with regard to constructing the GER AU6 P 5 ?[1t� P-648 NAMTRA-MARU FA011TY 110.3528 project using various foundation ° alternatives. Of primary concern for supporting the proposed structure is the ° soft, compressible Stratum 2 clays with respect to support of shallow foundations ° L yer Boun°ary and differential filling across the building ' area. yer � LaMbm°t 12 The saturated Stratum 2 clays in their ; ,o ? I I — current condition have relatively low shear a strength which would permit soil bearing a -' pressures in the range of 72 to 96 kPa (1500 to 2000 psf) using spread footings for the project. Although consolidation testing indicates the clay stratum is preconsolidated to 2 or more times the current overburden stress, large footings ° 0 AOwould be expected to generate in excess '° 60 T,, D.,) 100 "° ° 10 of 50 mm (2 in) of total settlement under maximum column loads, much of which Figure 7. Estimated Pore Pressure Dissipation may be post -construction. Existing grades at the northern third of the building area are about 0.9 to 1.3 m (3 to 4.5 ft) below the planned finished floor elevation, while the southern 2/3 of the building area currently exists very close to the final grade. This creates a differential condition for support of both footings and the floor slab, particularly if the northern end is filled. Placing an average of 1 meter (3.3 ft) of conventional soil fill is estimated to generate approximately 40 mm (1.5 in) of settlement. Alternatives considered for improving support of the structure and floor slab with respect to total and differential settlement include: ❑ Using pile foundations to support the structural frame and entire floor slab ❑ Preloading the entire site using 2 to 3 meters (6 to 10 ft) of fill and surcharge for an estimated 4 to 6 months ❑ Supporting the frame on pile foundations and the entire floor slab on -grade after preloading the northern end of the site with structural fill plus 750 mm of surcharge for 2 months Evaluation of these alternatives suggests that the latter option would likely be most economical. It is ❑ Conventional impact driven precast/prestressed particularly advantageous to eliminate numerous concrete and round timber piles are expected to floor slab piles which may be subject to downdrag if be the most feasible pile types for the project. fill will be placed. Estimated lengths and capacities calculated for these alternatives are presented in Table 2. The The Stratum 2 clay has a very low permeability and its rate of consolidation is expected to be slow and remain fairly constant no matter how much surcharge is added. Figure 7 shows the estimated pore pressures with time for consolidation to occur in Stratum 2. However, adding a minimum 750 mm (2.5 ft) surcharge over the northern end is expected to increase the magnitude of settlement sufficiently to reduce this preload duration by approximately one half. To preload the entire building area in order to use shallow footings, much greater surcharge thickness is necessary to achieve this objective. Recommendations Based on the subsurface data obtained from the site and engineering analysis of subsurface conditions and project information, the following recommendations are provided. Budding Foundations ❑ Pile foundations driven into the Stratum 5 sand/shell layer should be used for supporting the structure frame. Piles may also be used to support the floor slab if the northern end of the site is not preloaded as recommended herein. ► -ALJ AUG 5 2009 P-648 NAMTRA-MARU FAciliry 110.3528 axial capacity factor of safety is on the order of 2 and neglects pile self weight. Lateral deflection is less than 25 mm (1 in). *Piles which are subject to downdrag should be designed for 80% of the compressive capacities provided. ❑ Piles should be driven after preloading the site if performed to maximize working capacity. Otherwise, piles should be designed for the downdrag capacities. ❑ All piles should achieve the required bearing stratum and tip elevation with sufficient driving resistance to produce the required working capacity. Preliminary driving criteria is practical refusal. Final driving criteria is to be determined by the Engineer during the test pile program. ❑ Approximately 2 meters (6.5 ft) of variation in pile lengths are anticipated across the site in order to reach the intended bearing stratum. ❑ Piles should be spaced at least 3 pile diameters center -to -center. A group efficiency of 100% has been incorporated into the individual pile capacities provided. Estimated settlement of pile groups is anticipated to be about 12 mm (1/2 in) or less under maximum column loads. ❑ Hard driving is expected to occur between elevations of about 0 to +2 m (0 to +7 ft). Piles should be driven without preaugering if possible to maximize side friction. Preaugering should only be permitted if performed and evaluated during the test pile program. ❑ Static load testing is the best means for verifying individual pile capacity and is required by building code for compressive loads of 350 kN (40 tons) or more. Static load testing should be performed on a pile selected by the Engineer during the tes gram. The load test should be performed in accordance with AS -M D 1143, with test loads carried to at least 2 times the design working load. ❑ If the project budget prohibits static load testing, pile capacity should be estimated based on test pile installation using appropriate dynamic or static analyses. An increased factor of safety on service loads may be prudent. ❑ After completion of a successful test pile program, installation of production piles should be monitored for any indication of problems by an experienced field inspector. Piles which fail to achieve the specified tip elevation or driving resistance may be subject to rejection unless they are evaluated and determined to be acceptable by the Engineer. ❑ Compatibility of the pile type and installation equipment is essential to produce a foundation that performs satisfactorily. Prior to installing piles, the piling contractor should submit data sheets on the proposed equipment and installation procedures to the Engineer for evaluation. ❑ Restriking piles after one or more days may be required to verify soil strength gain and/or soil relaxation after initial driving. ❑ If the soil conditions encountered are different from those described in this report, or if driving characteristics are vastly different from that anticipated, the geotechnical engineer should be contacted. Building Subgrade Preparation ❑ Prior to filling, the ground surface in the building area should be cleared and stripped of all vegetation, asphalt surface, topsoil, root balls and debris to reach firm soils. This work should be performed during a period of dry weather to avoid excessive deterioration of the exposed subgrade. Aggregate base below pavement may be left in place. ❑ The anticipated average stripping depth of topsoil is 150 mm (6 in) and average asphalt depth is 75 mm (3 in) based on the borings. It is likely that this thickness varies across the site and removal of uncontrolled fill, buried structures and other unsuitable material will require more excavation. GER WG 12 5 2009 P•b48 NAMTRA-MARU FAcility 110.3528 ❑ Topsoil, pavement and unsuitable material encountered should be removed to at least 1.5 m (5 ft) beyond the outside of building lines. Existing underground utilities in the planned building area should be excavated and rerouted to avoid conflicts with the foundations and to avoid damage to new structures should the utilities leak or require future repairs. ❑ The subgrade should be rough graded and receive several passes by a non -vibrating smooth drum roller to compact the surface soils. The exposed subgrade should then be proofrolled to check for pockets of soft soils prior to filling and foundation and slab construction. Proofrolling should be conducted with a loaded dump truck or other rubber tired construction equipment. ❑ Site stripping, grading and proofrolling should be observed by a field inspector. If unsuitable soil conditions are observed, they should be corrected by excavating and replacement with structural fill or improved by other methods that are acceptable to the Contracting Officer and geotechnical engineer. Building Preloading ❑ Unless the building floor slab will be pile supported, the northern 1/3 of the building area should be preloaded after subgrade preparation and prior to pile installation. Preloading should consist of compacted structural fill placed to the final subgrade elevation (bottom of slab) and a minimum 750 mm (2.5 ft) thickness of soil surcharge having an in -place wet density of 18.9 kN/mz (120 pcf). ❑ The crest of the surcharge material should extend at least 1.5 m (5 ft) beyond exterior building lines. The surcharge should slope to existing ground at a ratio of 2H:1V or flatter. ❑ Estimated settlement is on the order of 50 mm (2 in) on average for a time duration of 60 days after fill placement. PAGE 1 ❑ Upon s pre oa ing of the site as determined by evaluation of the settlement plate readings by the Engineer, the surcharge portion can be removed along with the crust of fill contaminated with the surcharge material. Foundation construction can then commence. Ground Floor Slabs ❑ A conventional ground supported concrete floor slab may be used for the project after site preloading as specified. The slab should be jointed at column lines and along load bearing walls so that foundations and the slab can settle differentially without damage. Cl Subgrade modulus for the existing Stratum 1 subgrade soils is estimated at 27 MPa/m (100 psi/in). ❑ A minimum 100 mm (4 in) thick layer of porous gravel or clean sand fill should be used directly beneath the slab for lateral drainage of moisture. If sand is chosen, it should conform to ASTM C 33 Fine Aggregate. The porous fill layer should be covered with an impermeable membrane sheeting to prevent clogging during concrete placement. Seismic Properties ❑ The following dynamic parameters are estimated to be most appropriate for the site: 2000 FEMA 368 / TI 809-04 / 2000 IBC Site Class ...................... D Spectral Response S. ............. 0.20 Spectral Response Sr ............. 0.09 Site Coefficient Fa ................ 1.6 Site Coefficient F. ................ 2.4 ❑ Site class determination was based on the following in the upper 100 feet of the profile: • Estimated Average Vs > 180 m/s but < 360 m/s • Average Nw > 15 but < 50 • Less than 3m with Su < 50 kPa ❑ Ground movements should be field monitored Pavements with instrumentation. Vertical movement should ❑ A design CBR value of 4 was determined for be monitored using a minimum of 3 settlement compacted subgrade soils in the planned plates at locations selected by the Engineer. pavement areas. This value corresponds to Settlement plates should be installed on the approximately 2/3 of the average CBR values prepared subgrade prior to fill and surcharge determined from laboratory testing. Existing placement. Details for settlement plate soils may require aeration and compaction to fabrication and monitoring are provided on achieve this level of support. Drawing 5 in Section 2. GER P-648 NAMTRA-MARU FAciliry 110.3528 I AUG 2) 5 2009 Pace 8 ❑ Pavement section thickness will depend on the intended use and design traffic levels. A preliminary minimum flexible pavement design for anticipated light duty traffic would be 75 mm (3 in) of asphalt surface over 150 mm (6 in) of compacted aggregate base material. Pavement materials and construction should conform with North Carolina DOT specifications. ❑ Pavement construction is best suited for the traditionally drier summer and fall months to minimize deterioration of the subgrade soils. A geotextile fabric can be used beneath the pavement to provide separation between wet or fine-grained soils and granular fill. Geotextile fabric should consist of Amoco 2002 or approved equivalent. Geotextile products should be installed after installation of all underground utilities. ❑ Topsoil, vegetation, debris and otherwise unsuitable soils should be removed from the pavement areas. During initial grading, positive surface drainage should be maintained to prevent water accumulation. Dewatering trenches along the edges of the pavement may be necessary to reduce subgrade water content. ❑ After completion of rough grading, the exposed subgrade should be proofrolled to detect pockets of soft or otherwise unsuitable material. Proofrolling should be conducted after a suitable period of dry weather to avoid degrading an otherwise acceptable subgrade. A loaded dump truck or similar rubber tired construction equipment should be used for proofrolling. ❑ Prior to paving, a second proofroll should be performed on the aggregate base material to determine if localized areas have degraded due to construction traffic or moisture problems. Fill & BaCA-rill ❑ Representative samples of each proposed fill material should be collected before filling operations begin and tested to determine maximum dry density, optimum moisture content, natural moisture content, gradation and plasticity. These tests are needed for quality control during construction and to determine if the fill material is acceptable. finer th pening by ASTM D 1140. Acceptable soil classifications include GW, GP, GM, SW, SP, SP-SM and some SM soils by ASTM D 2487. ❑ The majority of soils excavated from the site are not expected to meet this criteria. An off -site borrow source should be identified. ❑ Fill and backfill soils should be spread in thin, even layers not exceeding 300 mm (12 in) loose thickness prior to compaction. Each layer of soil in building and pavement areas should be compacted to achieve no less than 95 percent of the laboratory maximum dry density as determined by ASTM D 1557 (modified Proctor). ❑ The moisture content of fill soils should be maintained within f3 percentage points of the optimum moisture content determined from the laboratory Proctor density test. Fills should be free of debris and deleterious materials and have a maximum particle size diameter less than 50 mm (2 in). ❑ The following properties may be assumed for fill and backfill soils when placed and compacted properly: Angle of Internal Friction, 0 (deg.) ...... 30 Soil -Concrete Coefficient of Friction (tan 6) . 0.35 Cohesion / Adhesion, cn (kPa) ......... 0 Moist Unit Weight, y (kN/m') .......... 18.5 Active Pressure Coefficient, Ka ......... 0.33 At -Rest Pressure Coefficient, Ko ........ 0.50 Passive Pressure Coefficient, Kip ........ 3.00 ❑ The fill surface must be adequately maintained during fill construction. The fill surface should be rolled with steel drummed equipment and properly graded to improve surface runoff while construction is temporarily halted. Excavations to receive backfill should not be left open for extended periods. ❑ Where backfill is required in excavations that penetrate the groundwater table, an initial 300 mm (12 in) layer of #57 aggregate should be used to serve as a stable base for compaction of subsequent lifts of soil fill. Groundwater should be lowered below the crushed stone elevation by pumping prior to compacting the soil. ❑ Fill and backfill soil used in building and ❑ Fill should not be placed on wet or frozen pavement areas should consist of non plastic ground. Fill which becomes softened from sand having a maximum of 25 percent material excess moisture should be aerated and ►�j AUG 2 5 2009 P-648 NAMTRA-MARU FAciliry 1 10.3528 Pace 9 RY: recompacted to acceptable levels, removed and replaced with new compacted fill, or as otherwise directed by the Contracting Officer. Bidding & Specifications Criteria ❑ We recommend that language similar to the following statements be included in the contract documents: Soil material character and stratum thickness indicated on the boring logs represent the conditions encountered at the specific boring locations at the time explorations were made and do not necessarily represent the soil conditions over the entire construction area. Groundwater levels indicated on the boring logs were those encountered at the time explorations were made and do not necessarily represent the groundwater conditions that will be encountered during construction. Basis For Recommendations The recommendations provided are based in part on project information provided to us. They only apply to the specific project and site discussed in this report. If the project information section in this report contains incorrect information or if additional information is available, you should convey the correct or additional information to us and retain us to review our recommendations. Regardless of the thoroughness of a geotechnical exploration, there is always a possibility that conditions between borings will be different from those at specific boring locations and that conditions will not be as anticipated by the designers or contractors. In addition, the construction process may itself alter soil conditions. Unanticipated conditions should be reported to the design team along with timely recommendations to solve the problems created. GER 'Nr- :.•a L i•-i :L-elll Ir�l I 'I• I �,.�,. f •, 1C! •^_`•-.` "L. PROJECT CATIO ..,I' � __ -�:�—� :. J �T"onk I __ I � �`- -( -'-- }P■ LdE1 ' :i' LO J G f'" r,. "_� 17 tft,f qµ, � (trial i OcjL-AUi,lf �. `I l f •C}SB.Z M a'7 ''�. �k4, :I. � `"• .tom a � �. r '- ,, '�t W r 1'•�E 4r 4 `y el E 1G.1 ti..l i _SITE },. 4L ' I•i -�.,,; ., , r-'i ♦: it � : ,� � 4 N FETE-*P�JINI I'ICG ','.GLIDER BASE // � iultFl� I Z a RIC r� 11 rY VICINITY MAP SOURCE: Jacksonville South, NC USGS 7.5 Minute Topographic Quadrangle Map 1952 Photorevised 1988 (not to scale) C CONSULTING ENGINEERS `+ GeoEnvironmental Resources, Inc. 1112 SUM. SW—,, 5o1110, :'quoa 8-0 Vn IM52 SITE LOCATION PLAN P-648 NAMTRA MARU Facility MICAS New River North Carolina GA LCT WUGER IMA'AwliM11RFR- 110-3528 1 1 Photograph 1 Proposed Building Site Looking North Currently Asphalt Surfaced Parking Lot 6/30/04 I Photograph 3 Proposed Parking Lot Southwest of Building Site Looking West 6/30/04 JML j fliva a.� .Yq'�Yl'MX• i� �£ f1P� •t y��.' l�' SI ^�2...eeccl��.�itLr�'L°��?t��"�4...-u-tt�•, '" '� Photograph 2 Proposed Building Site Looking West Existing Ground Elevation Difference 6/30/04 Photograph 4 Proposed Parking Lot Southeast of Building Site Looking East 6/30/04 2000 AERIAL PH01 NOT TO SCALE conditions shown of photograph fitions may be dil nt as of J. site' timeoA kJ Vt *)OE1t GeoEnvironmental Resources, Inc. 2712 5aLh<rn ODLIM Ple, 5m1e 101 Yr9inin U.0 VA 2b53 SITE PHOTOGRAPHS P-648 NAMTRA-MARU Facility MCAS New River, North Carolina vmmcT xm.se1 oxnmixn xuueen -- 110-3528 — --2 -- I , y I l - l I Fi I a , ly r II � 'I III - I illll �. - � I' 1151 I 1 I I I li II I Y, III I � I III , 3_.y '� ' ''. I t_T I ,_. ', ' •-......, —: �( I ICJ. _ -._ ... .. I r J - Tc[FT --__ c SCALE: 1:1000 -1 1�,� Approx. a NOTES: The boring locations were not surveyed and may be several meters from the locations indicated on this drawing. Boring locations fffr15—e considered approxim a J Site plan courtesyof W[ = Et 'CONSlll TING GeoEnvironmental Resources, Inc. i 1112 &-.c Bm,IcaN SVae 101 VV .B... VAIN51 11 P-648 NAMTRA-MARU Facility j; MCAS New River, North Carolina vR!, [CIVIIEfR CPpAVG N1111EfR 110-3528 1 3A ith - C rkgf r rr. - - — A,,i P 3 -,I of •t __ / - — — SCALE: 1:1000 i :\ J Approx. 1 i i i' � II I11I _1 it I I.I.-I li',e I, I 1i I II?III i' II II ... _- It JI The boring locations were not I surveyed and may be several meters I I I � from the locations Indicated on this at_. I II f I 1 I I drawing Boring locations c+r 1 1 I It II I 1 - ,I considered approximate. I Site plan courtesy ofMSA,P. -° C I , II 1 it -'I I I I ill. II I i , 1- _ {'i(ZAE CO N I_SULTIYG ENGINEER$ GeoEnvironmental Resources, Inc. ,I .- I z+u s.um:��ea„k.'a,e.sinelal wginia BcacI�JA L.W53 I SOIL BORING LOCATION PLAN �i P-648 NAMTRA-MARU Facility MCAS New River, North Carolina I. vvvecrwuc[n I oAnxwGuuueca ',' 110 3528 3B f — 7 SCALE: 1:800 LL ------- - Approx. ------------- NOTES M,I The boring locations were not surveyed and may be several meters from the locations indicated on this i drawing. Boring locations shall be tA considered approximate. Site plan courtesy of IMSA . Rc1-01 1� 30 _ I A. 1 1! GeoEnvironmental Resources, Inc. SOIL BORING LOCATION PLAN P-648 NAMTRA-MARU Facility MCAS New River, North Carolina I. %Y ECTNUER I 110-3528 1 3C 6 S1 -Silty SAND 8 FILL —\ Pavement Clay Lens —� Topsoil \ B '— B 2 b L--�5-'—'—�—iF"" as \ &6 !• I6 ✓` S2 $tiff to Very Soft CLAYY=� / 3s s zs u � °� zz I �, F° d, 16 S3 - Very Loos .Dense SAND ' P :5 a" 12 13 b IB 6 b �1 — �l ij s• — 4S _G d pI S4 -Very Loos o Firm Clayey jT 1 SAND F + .nve �" IB p4u 28 yaJ II 14+ 35 4� $r y - j _ 01 a 25 21 ^.9 20 t9 S5 - Firm to Very Dense S and SHELL 1 y. `�.'16 �1 $1 44 17 L-.—__— J 21 G -a•v 24 o to 20 ao 4o w w /a eo DISTANCE ALONG PROFILE (Nelan) Lithology Graphics Tapsd 1 SYIY sand y jj� Lean tlaY. Byv IB nq'10"aleRURNRY Fat my, hqh pbtlbty Vi: bosae� clean. DDDrIY'esea sard % J Clam,santl b b` SihY Sand and Starts ®ASDnan claao OaVal L�Salg 4�nly slllY Vwrlypratlxtl a s+trcar'Mlnasasu Ngn DlaauotY asan,c.on NOTE The subsurface conditions presented are based on the data collected at specific boring locations only. Actual subsurface conditions will likely vary Dan those indicated. Elevations shall beconsidered approximate. y= . i� i N i N !r 4 yu-3 2 Ate Rloo tN..l r9Wo1 0 Explanation B 1 — ea.aae mb r mnv-- La u l� Level ReaGxl aarmg. t Nev4a, . VNIN, Level Reanvg 6 after arAnsr, a R 15 10 Nawml.M SF" an) L J Ver AF,pp uar?9 2 c^ 90 100 era. �a- E fgN$IILTING EHGINEEfi$ GeoEnvi,onmental Resources, Inc. .IPSovrMm BxM�Q SCL IGI wpna OnM, VAi1:5] ESTIMATED SUBSURFACE PROFILE P-648 NAMTRA-MARU Facility MCAS New River, NC rowan we a 110-3528 — 4 MAINTAIN 300 mm TO 1200 mm ABOVE 5URFACE —i— _FILL/5UKCHAP_GE SURFACE_____ 75mm TO 100mm PROTECTIVE CASING, PVC OR STEEL PIPE SECTIONS, RESTING L005E ON TOP OF STEEL PLATE STANDARD PIPE COUPLING WELDED TO PLATE TOP CAP 38mm PIA. STEEL PIPE 5ECTION5, THREADED BOTH ENDS COUPLINGS AS KEOU 600mm 5QUARE x 6.5mm THICK STEEL PLATE INSTALL PLATE ON FIRM SUPGRADE NOTES: OBTAIN INITIAL READING5 13Y 5UKVEY LEVELING IMMEDIATELY AFrEP. PLATE IN5TALI ATION AND PRIOR TO FILL PLACEMENT. READ TOP OF INNER PIPE AND RECORD PIPE LENGTH ABOVE PLATE. 06TAIN READING5 EVEKY W/0 DAYS DURING FILL CONSTRUCTION AND WEEKLY THEREAFTER. REFERENCE BENCH MARK 5HALL REMAIN UNDI5TUR6ED THROUGHOUT MONITOPING PERIOD. EXTEND PIPE AND PPOTECTWE CASING A5 FILL OR 5UPCI-IARGE SURFACE INCKEA5E5 U51NG COUPLING5 AND ADDITIONAL SECTIONS OF PIPE A5 NECE55APY PROVIDE t3APPICAOE5 AROUND PWE5 FOP PROTECTION DURING CON5TRUCTION. a El GeoEnvironmental Resources, Inc. 2712 S-1 Bailowre, Sane :01 Vwgnia Bead, VA 2.NR SETTLEMENT PLATE DETAIL P-648 NAMTRA-MARU Facility II MCAS New River, North Carolina I MP MM.UR I 110-3528 1 5 �C AUG ? 5 2009 BY:-_ TEST BORING RECORDS The enclosed test boring records represent our interpretation of the subsurface conditions encountered at the specific boring locations based on visual examination of the field samples obtained and selected laboratory classification testing if performed. The lines designating the interface between various strata on the boring records represent the approximate interface location. In addition, the transition between strata may be more gradual than indicated. Water levels shown represent the conditions only at the time of the field exploration. It is possible that soil and groundwater conditions between the individual boring locations will be different from those indicated. Boring elevations, if shown, shall be considered approximate and are referenced to project datum unless noted otherwise. BORING LOG LEGEND KEY TO DRILLING SYMBOLS Split Spoon Sample (ASTM D 1586) = Water Table at Time of Drilling V Water Table after 24 hrs. Undisturbed Sample (ASTM D 1587) , Boring Cave In Rock Coring (ASTM D 2113) Roller Cone Advanced Seepage into Borehole Loss of Drilling Fluid _i- Auger Refusal �► Roller Cone Refusal Approximate Strata Change Depth Different Soil Types WG 2 5 2009 H.S.A. Hollow Stem Auger Drilling M.R. Mud Rotary Wash Drilling PP Pocket Penetrometer (tsf) REC Core Recovery (%) RQD Rock Quality Designator ( % ) SCR Solid Core Recovery (% ) Approximate Strata Change Depth Similar Soil Types CORRELATION OF RELATIVE DENSITY AND CONSISTENCY WITH STANDARD PENETRATION TEST RESISTANCE (ASTM D 1586)§ SPT RESISTANCE IN) IN BLOWS PER FOOT SPT RELATIVE DENSITYt SPT CONSISTENCY' N SAND & GRAVEL N SILT & CLAY 0-4 Very Loose 0-2 Very Soft 5-10 Loose 3-4 Soft 11 - 30 Firm 5-8 Firm 31 - 50 Dense 9 - 15 Stiff 51 + Very Dense 16 - 30 Very Stiff 31 - 50 Hard 51 + Very Hard ROCK QUALITY' FRACTURES, JOINT SPACING AND BEDDING DIAGNOSTIC ROCK PARAMETER ROD l DESCRIPTION FIELD/1-AB RATIO SPACING JOINTS BEDDING 0 - 25 Very Poor 0.15 Less than 2" Very Close Very Thin 25 - 50 Poor 0.20 2" to 1' Close Thin 50 - 75 Fair 0.25 1'to 3' Moderately Close Medium 75 - 90 Good 0.30 to 0.70 3' to 10' Wide Thick 90 - 100 Excellent 0.70 to 1.00 More than 10' Very Wide Very Thick HARDNESS Ve,ry.Hard - Breaking specimens requires several hard hammer blows Hard - Hard hammer blow required to detach specimens Moderately Her - Light hammer blow required to detach specimens Medium - May be scratched 1116' deep by a knife or nail, breaks into several pieces by light hammer blow Soft - Can be gouged readily by knife or nail, corners and edges broken by finger pressure Very Soft - May be carved with a knife and readily broken by finger pressure WEATHERING Fresh - Fresh rock, bright crystals, no staining Slioht - Minimum stainaing and discoloration, open joints contain clay Moderate - Significant portions of rock shows staining and discoloration, strong rock fragments Severe -AII rock shows staining, rock fabric evident but reduced strength Very -Severe - All rock shows staining. rock mass effectively reduced to soil with strong rock fragments remaining Complete - Rock reduced to soil with rock fabric not discernable §Resistance of a standard 2-inch O.D.. 1.375-inch I.D. split spoon samplerdriven by a 140 pound hammer free -falling 30 inches. 'after Terzaghi and Peck, 1968 . GEZ SOIL CLASSIFICATION CHART (ASTM D 2487) 1 AUG In 5 2009 SYMHBOLS TYPICAL MAJOR DIVISIONS R GAP LETTER I DES 1%Y. CLEAN GW WELL -GRADED GRAVELS, GRAVEL - SAND MIXTURES. GRAVEL GRAVELS r',0 V9�Ac„ LITTLE OR NO FINES AND GRAVELLY (LITTLE OR NO - GP POORLY -GRADED GRAVELS. GRAVEL- SAND MIXTURES, SOILS FINES) rc LITTLE OR NO FINES MORE THAN 50 % COARSE OF COARSE GRAVELS r_' ?-'�"—._ IF f<. h_ GM SILTY GRAVELS. GRAVEL - GRAINED FRACTION WITH FINEST-+'� SAND - SILT MIXTURES SOILS RETAINED ON I,. - NO.4 SIEVE (APPRECIABLE /�✓,^J°^�� f'=�' GC CLAYEY GRAVELS, GRAVEL - AMOUNT OFFIN ESJ SAND - CLAY MIXTURES " SW WELL -GRADED SANDS, CLEAN SANDS + GRAVELLY SANDS, LITTLE OR SAND NO FINES MORE THAN 50''/o AND (LITTLE OR NO MATERIAL FINES) SP POORLY -GRADED SANDS, IS LARGER S SANDY _ GRAVELLY SAND. LITTLE OR THAN NO. 200 SOILS NO FINES SIEVE SIZE MORE THAN 50% SANDS WITH SM SILTY SANDS. SAND - SILT OF COARSE FINES MIXTURES FRACTION PASSING ON NO.4 SIEVE (APPRECIABLE AMOUNT OF FINES) ' Sc SANDS, SAND - CLAY CLMIXT �'�%� " UR INORGANIC SILTS, CLAYEY SILTS. ML SILT -VERY FINE SAND MIXTURES. ROCK FLOUR LOW PLASTICITY INORGANIC CLAYS OF LOW TO LIQUID LIMIT - ' / / CL MEDIUM PLASTICITY, FINE LESS THAN ' �' GRAVELLY, SANDY, SILTY, & 50 % / LEAN CLAYS GRAINED SOILS OL ORGANIC SILTS AND ORGANIC SILTS t CLAYS OF LOW PLASTICITY AND CLAYS INORGANIC SILTSAND MICACEOUS, MH DIATOMACEOUS AND ELASTIC MORE THAN 50 % SILTY SOILS OF MATERIAL IS SMALLER THAN N 200 HIGH PLASTICITY LIQUID LIMIT CH INORGANIC CLAYS OF HIGH Z E SIEVE SIZ GREATER THAN PLASTICITY. FAT CLAYS 50 —/ OH ORGANIC CLAYS OF MEDIUM TO HIGH PLASTICITY, ORGANIC _ SILTS HIGHLY ORGANIC SOILS - -- -- — PT PEAT. HUMUS, MUCK, SWAMP SOILS WITH VERY HIGH ORGANIC CONTENTS OTHER DISTURBED SOILS WITH POSSIBLE DEBRIS SOILS UNCONTROLLED FILLS !4•''!�',+ri"i`I`A AND RUBBLE, OLD CONSTRUCTION {Lyxeti*"x"^.I WASTES, NON -ENGINEERED BACKFILLS /'a, DECOMPOSED OR PARTIALLY G. s TRANSITIONAL MATERIAL BETWEEN SOIL AND WEATHERED ROCK - - ROCK WHICH MAY RETAIN THE RELICT Y-21 STRUCTURE OF THE PARENT ROCK Atterlderg Limits PARTICLE SIZE IDENTIFICATION Low Plasticity Soils High Plasticity Soils BOULDERS: Greater than 300 man (12 in.) �It COBBLES: 75 mm to 300 mm (3 - 12 In.) 60 50 40 9 30 rt M N sty" I I Y II �wrt.wry I" •qn I anlb Y� —1 Net I / ICX) t vuttle il'Y atitrcllY i I I GRAVEL: Coarse- 19.0 mm to 75 mm (0,75 - 3 im) Fine- 4.75 man to 19.0 mm(n4-075 in.) SANDS: Coarse- 2.Oemmto4l5mm Medium- OA25 mm to 2.00 mm Fine- 0.075 man to 0425 mm SILTS 8 CLAYS: Less Nan 0,075 mm PLASTICITY INDEX (PI)8 SHRINKS_V/Ell POTENTIAL 0.4 None 4-15 Slight or Low 15-30 Medium to High 31+ High to Very High ADDITIONAL RELATIVE DESCRIPTIVE VALUES 0 P"F+'iCE+ IV�.� TEST BORING RECORD Irav QUG 125 2009 Hazardous Materials, GeoEnvironmental Resources Inc. Environmental, Industrial Engineering � Geotechnical8lndustrial Engineering Consultants Boring No. B-1 Sheet No. 1 of 1 Project: P-648 NAMTRA-MARU Facility GER Project Number: 110-3528 Location: WAS New River, NC Driller: Fishburne Date Drilled: 6/8/2004 Depth (m): 16.8 Elevation (m): 4.42 Client: HBA Architects Drill Method: 75 mm Mud Rotary Elevation Depth Lith- Material Description Ground Comments Penetration Resistance (blows/0.3 m) ft. m ft. m ology Water p 25 13 50 4 Topsoil - 200mm _ Silty SAND (SM) Firm black fine trace of organics 5 'yJ.- Sandy, Low Plasticity CLAY'CL) Firm oran a-li ht ra marled 1 Silly, High Plasticity CLAY (CH) 10 3 5 _ 2- Soft, orange to gray, trace of sand ~ 4.. 5 - Siltv SAND (SM)-- 10 3—Firm, light gray, fine, trace of wood 7-7 �,- 0 0 4 _ -2p0 _,,:` •';_: Clean SAND(SP) Firm, whitc, fine 15 _ Silty SAND (SM) -1 6� Loose to very loose, gray and tan, fine, trace - -5 20 of clay and fine gravel - --i -2 7 _• rlF - ,- 25 -q Clayey SAND (SC) Very loose, gray, fine to medium -15 30 9 10 } J- _ -- - I _ Q-O SHELL and Silty SAND Dense to firm, tan, gray and white, fine to -20 -6 35 °. coarse, trace of clay 7 .,. ,f-i -... 19t. _25 40 12 q:-- 0.0 ---._ - ° 0 . \30 .:.. i -j- --30 -9 45 -10 •�,. 1.21_ __ -35 50- IS 0:0 - �= -- ,— -I I Q:O — — - - -12 16 ° :� -- - 40 nil 55 17 Boring terminated at 16.76 meters. f- _ -13 -- (-1-f --_ -.- !-- 4 F - 71nX7. EIVED 5 2009 TEST BORING RECORD Inc. Environmental, Groundwater, Hazardous Materials, GeoEnvironmental Resources, Geolechnical8lndustrial Engineering Consultants Boring No. -2 Project: P-648 NAMTRA-MARU Facility GER Project Number: 110-3528 Sheet No. 1 of 1 Location: MCAS New River, NC Driller: Fishburne Date Drilled: 6/8/2004 Depth (m): 16.8 Elevation (m): 5.33 Client: HBA Architects Drill Method: 75 rum Mud Rotary Elevation ft. m Depth ft. m Lith- ology Material Description Ground Water Comments p Penetration Resistance 25 T 18_;�_ (blows/0.3 m ) 50 - 15 5 I Pavement 75mm asphalt & 150mm crushed shellrock (approx) Slightly Silty SAND (SP-SM) Firm tan tine with shells a[ bottom fill - 10 Silty, Low Plasticity CLAY (CL) 10 5T 4 2 I 5 10 15 - - 2 3 4 Stiff to firm, dark brown and gray, trace to some roots/or anics _ -5": .- < 1--11--�- Silty, High Plasticity CLAY (CH) Soft, mottled orange -gray _ Slightly Silly SAND (SP-SM) Firm, light gmy, fine, trace of fine gravel 2 12 - • -+ -•- -i-.= i__ Clean SAND (SP) Firm, white, fine to medium 0 0 ----=13-- ----- Slightly Siltv SAND (SP-SM) Firm, gray -green, fine _......:._; -5 -2 20 25 6 7 .�....... 24- - - 1 -4 - -� --- I Silty SAND (SM) Very loose, greenish -gray, fine, trace of clay I _10 -3 8 I - i I - - F d 0 :0� � OO. .Q 0 SHELL and Silty SAND—� Firm, white, gray and tan, tine to coarse,+ trace of clay 1 fff I-- - S --zo -4 -7 10 35 40 g 10 12�- �_ :+ J -r 28: 21- — — -25 - � 35 _g 0 45 50 13 14 15 16 Silty SAND (SD1) _ _ _ - _ _ _ _ - _ Finn, tan and white, fine to coarse, some shell _______ SHELL and Silty SAND Firm, white, fine to coarse ' 18.T •.,._I .... i._I_ 0 . 0 0 Q- po D o Q C=1 1 23 I ' I_! { - —` — -- 29 - o 1. 0 O . 0 55 17 Bo ring terminated at 16.76 meters. --- -;-} -'-L- --{- RECFIV]ED AUG 2 5 2009 TEST BORING RECORD GeoEnvlronmental Resources Inc. Environmental, ndundwaEegneeringus sultans, � Geotechniral 8lndustdal Engineering Consultants Boring No. B-3 8 Sheet No. 1 of 2 Project: P-648 NAMTRA-MARU Facility GER Project Number: 110-3528 Location: WAS New River, NC Driller: Fishburne Date Drilled: 7/6/2004 Depth (m): 30.5 Elevation (m): 4.08 Client: HBA Architects Drill Method: 100 ram Mud Rotary Elevation It. m Depth ft. m Lith- ology Material Description Ground Water Comments 0 Penetration Resistance ? t 16 25 (blows/0.3 m) 50 " 1 - I p 5 3 2 5 to - -_ 1 2_ Topsoil - 150 mm tree roots Silly, High Plasticity CLAY (CH) Firm to very soft, mottled grey with orange--5-!:! to grey, trace fine sand 2 Silty Silty SAND (SM) Firrn, grey, fine to medium H _ I }� T� 0 5 0 I $ Q 5 - t.. Slightly Silty SAND (SP-SM) Firm to loose, light grey, fine to medium --r ii 7 _T _ 1 Silty SAND (SM) -to 7 I�- _ 3' r L_ -15 -5 25 30 9 IT ! 33_: 0 ° 0 SHELL and Siltv SAND Dense to firm, white & light grey, fine to coarse, with trace to little clay -20 - 25 -30 -g -7 -9 _10 35 40 45 10.E 110 13 14 .0 O �y1� p 1- t r 37..7 — _ ...-i --r _ _4l": 1 ?_ -35 -40 12 -13 55 17 D o . 33 Silly SAND (SM) Frrm [o very dense, grey, fine to medium, with little to some shell fragments _ 45 BUG 12 5 2009 GeoEnvironmentai Resources Inc. Environmental, Boring No. B-3 EGroundwater,EngineHazaering Industrial � Geotechnical 8lndustrial Engineering Consultants Consultants Project: P-648 NAMTRA-MARU Facilitv GER Project Number: 110-3528 Sheet No. 2 of 2 Location: MCAS New River, NC Driller: Fishburne Date Drilled: 7/6/2004 Depth (m): 30.5 Elevation (m): 4.08 Client: HBA Architects Drill Method: 100 mm Mud Rotary Elevation Depth Lith- Material Description Ground Comments Penetration Resistance (blows/0.3 m) ft. m ft. m ology Water 0 25 50 Silly SAND (SM) --- -- _ Firm to very dense, grey, fine to medium, -15 19 with little to some shell fragments - - --- - - -50 (continued) -16 65 20 --- - -- -- - - -55 21 - 33�-,-- 17 - - — 70- _18 22 -60- -19 75 23 .65 -20 24 -- - �- 80 - -- - -21 25 _70 z --- - -- 22 85 26 -- - -- -- '75 -23 Z. 27 — - 38 24 28 = -5 _> 25 95 29 -85 -26 301,���.� _._ .3 .- 31 FURECEIVEX)G ? 5 2009 TEST BORING RECORD GeoEnvironmental Resources Inc. Environmental, Groundwater, Hazardous Materials, , Geotechnica181ndusVial Engineering Consultants Boring NO. B-4 Sheet No. 1 of 1 Project: P-648 NAMTRA-MARU Facility GER Project Number: 110-3528 Location: MCAS New River, NC Driller: Fishburne Date Drilled: 7/6/2004 Depth (m): 15.2 Elevation (m): 5.36 Client: HBA Architects, Drill Method: 75 mm Mud Rotary Elevation ft. m Depth ft. m I ith- ology Material Description Ground Water Comments p Penetration Resistance (blows/0.3 m) _ 25 50 ' 21- 15 10 5 -0 5 4 3 0 5 IS 20 2 _ 4 5- Pavement �7 1 75 man asphalt & 150 rum crushed shellrock (approz Silty SAND (SM) Firm, dark brown, fine, trace clay and grove _- f: Sandy, Low Plasticity CLAY (CL) Firm, brown to dark brown, trace of organics 5 3P Very Silty SAND (SM-ML) Loose, dark brown to black, fine Silty, High Plasticity CLAY (CH) Soft, mottled grey with tan, with trace ofto-3 sand and organics '--- Slightly Silty SAND (SP-SM) Firm, light grey to light green, fine to medium --- - 18r. .5 -10 15 -20 -25 -30 -2 -3 4 -5D -7 25 30 35 40 7 g 9 10 12 130y10. 2_ �I T- -r-- - +} _ !_ Silty SAND (SM) Very loose to loose, greenish -grey to grey, fine to medium, with little clay - - - 32-- I .- 0 ° - .0.0r-{- 01 0 00 SHELL and Silty SAND Dense to firm, light grey, fine to coarse, with trace to little clay _ ,... ,. ..-- - ---+ I_-23 i- -10 50 Boring terminated at 15.24 meters. -- -!--!- --_ -- ll -35 16==r-�--- 171 I i -40 12 7RECFT'MF-5 AUG _11 S 7-009 TEST BORING RECORD Environmental, Groundwater, Hazardous Materials, GeoEnvironmental Resources, Inc. Geotechnical8 Industrial Engineering Consultants ormg—No S Sheet No. 1 of 1 Project: P-648 NAMTRA-MARU Facilitv GER Project Number: 110-3528 Location: MCAS New River, NC Driller: Fishburne Date Drilled: 7/6/2004 Depth (m): 15.2 Elevation (m): 5.21 Client: HBA Architects Drill Method: 75 mat Mud Rotary Elevation ft. m Depth f. m Lill olo gy Material Description Ground Water Comments 0 Penetration Resistance (blows/0.3 m) g 25 50 T IS - -10 5 4 3 5 I 2 Pavement 1 60 mot asphalt & I50 ram crushed shellrock (approx.) Sandy, Low Plasticity CLAY (CL) Stiff brown with gr,-ilh little or anics Silty SAND ISM) Finn re to black fine to medium - Silty, High Plasticity CLAY (CH) Stiff to firm, mottled grey with orange, with trace of sand and organics 1 6J��:T 14 - Silty SAND ISM) 2 10 3 Loose to for, grey, fine to medium, with trace organics 5. 1 Slightly Silty SAND (SP-SM) Dense to for, light grey, fine to medium - I S —o 0 s -I 20 G -� ®:T Silty SAND ISM) Firm, greenish -grey to grey, fine to medium, with trace of shell fragments 5 7 15 25 _-_ _ _ :__�-- _r - - -q 30 8 9 - - :- - \\5 0 ° p. 0 SHELL and Silty SAND Very dense to firm, light grey, fine to coarse, 1 with trace of clay —� - --2s _ -5 -7 8 35 40 45 n 13 D .0 o Qi 2�1 o p '0 — _ — — ` \ - ----t i l - :J25 - -_ -_I = -10 50 14730- I5 .: ---r-- ..� • - - JBoring terminated at 15.24 meters. -35 16 12 55 17 ---i -i- --- - - -_ - 18 ]REC3rJVE� TEST BORING RECORD NIJG g _UU© us Consultants, GeoEnvlronmental Resources Inc. Environmental, Groundwater, E HazaEngineering � Geotechnical 8lndusVial Engineering Consultants $ _0. Sheet No. 1 of 1 Project: P-648 NAMTRA-MARU Facility GER Project Number: 110-3528 Location: WAS New River, NC Driller: Fishburne Date Drilled: 7/6/2004 Depth (m): 15.2 Elevation (m): 5.33 Client: HBA Architects Drill Method: 75 rum Mud Rotary Elevation fi. m Depth ft. m Lith- elegyWater Material Description Ground Comments p Penetration Resistance 18_25 (blows/0.3 m) T 50 _ _J �. 15 _ 5 q 5- I Pavement 75 man asphalt & 150 man crushed shellrock (approx.)j- Silty SAND (SM) Finn tan to black fine with shells fill Silty, Low Plasticity CLAY (CL) Stiff dark re Silty SAND (SM) 6/ -, - IO 3 2- Firm tan and black fine to medium Silty, High Plasticity CLAY (CH) Stiff to soft, mottled grey -orange -brown - - -5 - - 2 I 0 I5 3 4 -�— - -—`11 3 I p "I --;-�--)- Silly SAND (SM) Very loose, dark grey, fine, with some clay Organic Silty CLAY (OH)--f--- Very soft, dark brown, trace of sand and peat -0 0 Silty SAND (SM),� Firm, greenish -grey, fine, with trace of wood It: --5 - _ --to 2 -3 25 7 8 Silty SAND(SM)---- - - - - -- Very loose, grey -green to dark grey, fine to medium t - -- -� '- - --IS _ -4 "5 35 10 22. I 0 0 SHELL and Siltv SAND Firm to dense, white & light grey, fine to coarse, with trace of clay `y: -r I _ -_- r '- - _- \29 I r zo --25 - -30 -6 8 4s 12 13 14 15-.00 0: p .0 0 ° 0_Q r- -_—_�_fi__ __i_{. i'--i-�- --35 -10 50 16 Boring terminated at 15.24 meters. - �-- --- r - - - 55—Ir- 17 I - -40 12 18 -.4—_-- DECEIVED AUG ^ 5 2009 TEST BORING RECORD GeoEnviron mental Resources Inc. Environmental, Groundwater, Engineering e Geotechnical8 Industrial Engineering Consultants Consultants 1 -Boring No. BR 1 Sheet No. 1 of 1 Project: P-648 NAMTRA-MARU Facility GER Project Number: 110-3528 Location: MCAS New River, NC Driller: Fishburne Date Drilled: 7/7/2004 Depth (m): 3.0 Elevation (m): 4.48 Client: HBA Architects Drill Method: 57 mm ID HSA Elevation Depth Lith- olo Material Description Ground Water Comments Penetration Resistance (blows/0.3 m) ft. m ft. m gY 0 25 ! ! 50 Topsoil - 150 mm I 16 Clavey SAND (SC) Finn, orange, fine to medium I I O l ',- 4 —� Silty SAND (SM) Finn, orange & white, fine to medium, with trace clay Sity, High Plasticity CLAY _ 10 3 Stiff to soft, mottled grey w h tan 5 2 -"7_ IL 5 t0 3- - Boring terminated at 3.05 meters. I I ii i� 1 4 0 0 IS i .5 G -- ! •. i- 1 20 3 E I!i �i -! =i i -10 -3 --- 1! - -- --I II RECEIVED AUG .2 5 2009 TEST BORING RECORD EnvironGeoEnvironmental Resources Inc. Geolecrnental, Groundwater, Hazardous Materials, Boring No. � Geolechniral 8lndustrial Engineering Consultants g 'Z Project: P-648 NAMTRA-MARU Facility GER Project Number: 110-3528 Sheet No. 1 of 1 Location: WAS New River, NC Driller: Fishburne Date Drilled: 7/7/2004 Depth (m): 3.0 Elevation (m): 5.79 Client: HBA Architects Drill Method: 57 mm ID HSA Elevation Depth Lith- Ground Penetration Resistance (blows/0.3 m) ft. m fl. m elegy Material Description Silly SAND (SM) Water Comments 0 25 51 Loose, brown, fine to medium, with broken ! concrete pieces (fill) 01 1 ! i Clayey SAND (SC) ! Loose, dark grey, fine to medium, with trace - -- t to little organics (possible fill) 15 grey with orange, with trace of 2 SZ Silty SAND (SN) 4 ! I - Very loose to loose, light grey, fine to - medium —t- ,1 0 3 to-3 [Boring terminated at 3.05 meters. —Ifs fi mm FFCFYVE7 TEST BORING RECORD BUG " 5 2009 GeoEnvironmental Resources Inc. Environmental, Groundwater, Hazardous Materials, e 6eotechnira18Industrial Engineering Consultants 7Shect _ No. 1 of 1 Project: P-648 NAMTRA-MARU Facility GER Project Number: 110-3528 Location: MCAS New River, NC Driller: Fishburne Date Drilled: 7/7/2004 Depth (m): 3.0 Elevation (m): 5.18 Client: HRA Architects Drill Method: 57 mm ID HSA Elevation Depth Lith- ology Material Description Ground Water Comments Penetration Resistance (blows/0.3 m) ft. m ft, m 0 _ 25 T _ 50 _Topsoil - 100 mm 5 Silty SAND (SM) 1 Firm, brown, fine to medium, trace of gravel I O j (possible fill) .-! - 4 / � Silty, High Plasticity CLAY (CH) Firm to soft: mottled grey with brown I i j I I I 10 2 — 3L_-_- .I III — ! III Ili ! l I Silty SAND (S:M) 3— Very loose, light grey, fine to medium 1 l i l 2 to— -Boring terminated at 3.05 meters. II! I - .—�-- III I 4 ! I I 'Ili it I �ii IS I -- - I rj I I- ' - - 5 0 0 I I � II II I I I 20 7 I -2 i III I r. YIL- AUG5 2009 LABORATORY TESTING The enclosed laboratory results represent the subsurface soil properties encountered at the specific boring locations based on the laboratory testing performed. It is possible that soil properties and conditions between the individual boring locations and depths will be different from those indicated. SOIL LABORATORY DATA SUMMARY Project: P-648 NAMTRA-MARU Facility MCAS New River, NC Number: 110-3528 Date: 07/12/04 SAMPLE NUMBER DEPTH (meters) SAMPLE TYPE CLASS. MOISTURE CONTENT M FINES LL PL PI MAXIMUM DRY DENSITY (kglm') OPTIMUM MOISTURE (%) SOAKED CBR SWELL M *OTHER TESTS B-1 0.3 SS SM 21.1 40.5 - - - - - - - - B-2 1.5 SS CL 35.0 81.3 48 19 29 - - - - U.C. B-3 1.8 LID CH 64.0 94.9 79 24 55 - - - - CONSO. B-3 2.1 SS CH 75.1 - - - - - - - - U.C. B-3 8.8 SS SM 22.2 19.5 - - - - - - - SIEVE B-4 2.7 SS CH 51.1 - - - - - - - B-5 2.7 SS SM 18.9 - - - - - - - - - B-6 2.1 SS CH 40.7 87.2 62 24 38 - - - - U.C. B-6 4.6 SS OH 72.9 - - - - - - - - - CBR-1 0.6 to 0.9 BULK SC 17.3 48.7 - - - 1786.0 15.6 4.2 0.4 - CBR-2 0.6 to 0.9 BULK SC 20.5 45.3 1882.1 13.0 6.1 0.1 CBR-3 0.6 to 0.9 BULK SM 17.5 39.5 - - - 1846.9 13.6 6.6 0.1 - Tests performed in accordance with applicable ASTM Standards. *CONSO. = CONSOLIDATION TEST *U.C. = UNCONFINED COMPRESSION TEST v c c� an One Dimensional Consolidation Test Stress Versus Strain Plot 10 15- c N 20- 25 30 35 1 10 100 1000 Stress (kPa) Compression Index, Cc: 0.849 Estimated Preconsolidation Pressure, P'c (kPa): 86.2 Recompression Index, Cr: 0.079 Estimated Effective Overburden Pressure, P'o (kPa): 35.9 Estimated OCR: 2.4 Initial Wet Unit Weight (kNlm3) = 15.2 Project: P-648 NAMTRA-MARU Facility ^� Initial Dry Unit Weight (kN/m') = 11.4 Project #: 110-3528 - �" Initial Water Content I%) = 63.9 Location: MCAS New River, INC t' ¢,'. Initial Saturation I%) = 100.6 Client: HBA Architects ff �'''�w;N•"' EL Specific Gravity = 2.682 Sample Classification: CLAY (CH), gray, trace sand and silt Initial Void Ratio= 1.704 Boring: B-3 COVILL1M ENfINEER( Liquid Limit = 79 Sample Depth: 1.83 m GeoEavimiunenta] Resow ces, 11rc. Plastic Limit= 24 Report Date: 7/1212004 E.�:n mat•c„��..�.,.x,,.,e,�.Mv,dm.-c.m.:n..", J 100 Si = 1/24max 90 80 ti 70 q 6 60 bo Cr rn 50 ' �.r CO 040 .. ... 4. A O 30 d , 20 j .m . B-2 @ 1.5 a B-3 @ 2.1 m 10 u B-6 @ 2.1 m j 0, 0% 5% 10% 15% 20% 25% Strain, % Boring B-2 B-3 S-6 Unconfined Compression Tests Sample Depth 1.5 m 2.1 m 2.1 m Classification Symbol CL CH CH ASTM D 2166 Initial Water Content (%) 35.0 75.1 40.7 Project: P-648 NAMTRA-MARU Facility Liquid Limit 48 79 62 Location: MCAS New River, INC Plasticity Index 29 55 38 Number: 110.3528 Initial Void Ratio 0.94 2.03 1.09 Date: 7/12/2004 Specific Gravity est. 2.68 2.72 2.70 Initial Saturation (%) 99.8 1 100.6 100.8 Wet Density kN/m2) 17.6 1 15.2 16.7 - - Dry Density (kN/m2) 13.1 8.7 11.8 - TestT pe UC UC UC .^ ConfiningPressure kPa N/A N/A N/A �- E!mk Effective Friction Angle 0' (empirical) N/A N/A N/A'7 Undrained Shear Strength, Su (kPa) 43.7 15.8 35.2 CONSI ILTING ENGINEERS Normally Consolidated Su/P 0.22 0.31 0.25 GeoEi1VirolIIiletital Resomees, hic. Overconsolidated Su/P N/A N/A N/A Env 'rtnmantal• Grwnd,aw- azvduuc Kbts,W,- GrottOnicaI Engineering and Testing Consultants, Inc. 611AT/M_10/a1A'Mi6 Project Name: P-648 NAMTRA-MARU Facility, MCAS New River, NC GER Project Number: 110-3528 Number: 3314-110 Sample Number: B-3 Sample Depth: 8.84 meters Sample Description: Silty SAND (SM), Light Gray, Fine to Coarse, with Partly Cemented Shell Fragments Test Method: ASTM D 422 Sieve Analysis Data 100 90 80 70 60 50 40 30 20 10 0 SIEVE NO. PERCENT PASSING 25mm 100.0 19mm 100.0 12.5mm 98.6 9.5mm 96.0 4 87.5 10 69.8 20 56.7 40 49.0 60 36.9 100 28.0 200 19.5 g�ECEIVED AUG W 5 2009 BY:_ - - � ��� III�rII1bil�Ill���I�III ���I�III���IIIII���I�III��� III III1,��IIIIII1,III'I'■�III'I1,�I'1'I1,�I�II11,■ IIIIII1�1�1111111� �IIIIII■�IIIII11��111111��111111�� III IIII�I�IIIIIII���I;111■�IIIIIII■�IIII11��111111�■ III III1�1�1111111��11111 ���IIIII11��111111��111111�� III III1�1�1111111��11111IL�IIIII11��111111��111111�� III III1�1�1111111��111111■i�lllllll��llllll��llllll�■ III II11�1�1111111��111111■�li�llll��llllll��llllll�■ III I111■I�IIIIIII■�IIII11■�IIIII11��111111��111111■� 100.000 10.000 1.000 0.100 Grain Size (mm) 0.010 0.001 0.000 Engineering and Testing Consultants, Inc. CALIFORNIA BEARING RATIO TEST ]RECEIV Project Name: P-648 NAMTRA-MARU Facility, MCAS New River, NC �U6 5 2009 GER Project Number: 110-3528 BY: Number: 3364-110 Sample Number: CBR-1 Sample Depth: 0.61 to 0.91 m Sample Description: Clayey SAND (SC), Tan, Brown and Yellow, Fine to Medium, with Silt Test Method: ASTM D 1883 Maximum Dry Density (kg/m') 1786.0 Blows Per Layer: 30 Optimum Moisture (%): 15.6 Surcharge Weight (kg.): 4.5 In Situ Moisture (%): 17.3 Compaction Before Soaking (%): 95.6 Compaction After Soaking (%): 95.3 Unsoaked CBR Value: N/A Soaked CBR Value: 4.2 Swell (%): 0.4 0.7 MR MW a 0.4 z 0.3 0.2 0.1 0 0.000 eeeeeeeeee eeeeme ® mmmm m N w @@m@@fib @I 1p ®..o..®mu.� ems' M6@6a'Mllmgl @ ' eeeeee::ee�....n.. o:a @@@@@@@@@@@@M® m...ME �a........mo .m...r ®m......mao @@°meNUM—W, e°@@@°11=111 2.000 4.000 6.000 8.000 10.000 12.000 PENETRATION IN MILLIMETERS a Soaked CBR Engineering and Testing Consultants, Inc. Project Name: GER Project Number: Number: Sample Number: Sample Depth: Sample Description: Test Method: MOISTURE -DENSITY RELATIONSHIP EBY:— ED 2009 P-648 NAMTRA-MARU Facility, MCAS New River, N 110-3528 3364-110 CBR-1 0.61 to 0.91 m Clayey SAND (SC), Tan, Brown and Yellow, Fine to Medium, with Silt ASTM D 698A Maximum Dry Density (kg/m'): 1786.0 Optimum Moisture (%): 15.6 2100.0 2000.0 1900.0 1800.0 E 0 1700.0 to w 1600.0 O 0 1500.0 1400.0 1300.0 1200.0 0.0 5.0 10.0 15.0 MOISTURE CONTENT (%) 20.0 25.0 ]IECF,WED ,BUG 11 5 2009 Engineering and Testing Consultants, Inc. BY: CALIFORNIA BEARING RATIO TEST Project Name: P-648 NAMTRA-MARU Facility, MCAS New River, NC GER Project Number: 110-3528 Number: 3364-110 Sample Number: CBR-2 Sample Depth: 0.61 to 0.91 m Sample Description: Clayey SAND (SC), Tan and Brown, Fine to Medium, with Silt, Fine Gravel and Shell Fragments Test Method: ASTM D 1883 Maximum Dry Density (kg/m') 1882.1 Blows Per Layer: 30 Optimum Moisture (%): 13.0 Surcharge Weight (kg.): 4.5 In Situ Moisture (%): 20.5 Compaction Before Soaking (%): 95.8 Compaction After Soaking (%): 95.7 Unsoaked CBR Value: N/A Soaked CBR Value: 6.1 Swell (%): 0.1 1.2 0.8 IL 0 0.6 a O J 0.4 0.2 i7 ®mmm:mm®mm:mmmmm® �mmmmmm�mmmmmm��� �e�me>�.mmmmm��moB.� �mmmmmmm�.9 .:::::�:�m::::'. �mmmmmm��ommm:m® lml� m� ®Wllli 0.000 2.000 4.000 6.000 8.000 10.000 12.000 PENETRATION IN MILLIMETERS —a—Soaked CBR 7RFCETVR Engineering and Testing Consultants, Inc. AIJG 5 2009 MOISTURE -DENSITY RELATIONSHIP BY. Project Name: P-648 NAMTRA-MARU Facility, MCAS New River, NC GER Project Number: 110-3528 Number: 3364-110 Sample Number: CBR-2 Sample Depth: 0.61 to 0.91m Sample Description: Clayey SAND (SC), Tan and Brown, Fine to Medium, with Silt, Fine Gravel and Shell Fragments Test Method: ASTM D 698A Maximum Dry Density (kg/m'): 1882.1 Optimum Moisture (%): 13.0 2100.0 2000.0 1900.0 1800.0 E M 1700.0 N wo 1600.0 0 1500.0 1400.0 1300.0 1200.0 0.0 5.0 10.0 15.0 20.0 MOISTURE CONTENT (%) 25.0 Engineering and Testing Consultants, Inc. CALIFORNIA BEARING RATIO TEST Project Name: P-648 NAMTRA-MARU Facility, MCAS New River, N !�RcErvFm GER Project Number: 110-3528 MIS ° 5 2009 Number: 3364-110 Sample Number: CBR-3 BY: Sample Depth: 0.61 to 0.91m Sample Description: Silty SAND (SM), Brown, Fine to Medium, with Clay Test Method: ASTM D 1883 Maximum Dry Density (kg/m') 1846.9 Blows Per Layer: 30 Optimum Moisture (%): 13.6 Surcharge Weight (kg.): 4.5 In Situ Moisture (%): 17.5 Compaction Before Soaking (%): 96.9 Compaction After Soaking (%): 96.8 Unsoaked CBR Value: N/A Soaked CBR Value: 6.6 Swell (%): 0.1 1.2 0.8 a z 0.6 0 Q 0 J 0.4 0.2 an �aamlaaa WIMOMM molommil�all" ■O E=EM■ E ■E■ m aaaaaa r5 llll ®aa MEN lmommo�mmm aaaaaaaaaaaaaaaao® ®mmaaa aaaaINNER IMM ®a-aaaaaaaaa �a aaME aaaaaaa�.'� paEp 0 MEN �aaCaaa®aaaa:aa■..oa aaaaaa�aaaCCCa aa®aa®aaaaaa® 0.000 2.000 4.000 6.000 8.000 10.000 12.000 PENETRATION IN MILLIMETERS a Soaked CBR Engineering and Testing Consultants, Inc. MOISTURE -DENSITY RELATIONSHIP Project Name: P-648 NAMTRA-MARU Facility, MCAS New I GER Project Number: 110-3528 Number: 3364-110 Sample Number: CBR-3 Sample Depth: 0.61 to 0.91 m Sample Description: Silty SAND (SM), Brown, Fine to Medium, with Test Method: ASTM D 698A Maximum Dry Density (kg/m'): 1846.9 Optimum Moisture (%): 13.6 2100.0 2000.0 1900.0 1800.0 of Y 1700.0 rn w 1600.0 0 0 1500.0 1400.0 1300.0 1200.0 C 'EC_FT VE ° 5 2009 AUG 0.0 5.0 10.0 15.0 20.0 25.0 MOISTURE CONTENT (%) - - El GEOTECHNICAL EXPLORATION PROCEDURES The general field investigation procedures employed by GeoEnvironmental Resources, Inc. for geotechnical engineering studies are included in ASTM D 420-93, entitled Standard Guide to Site Characterization for Engineering, Design and Construction Purposes. This recommended practice lists various recognized methods and ASTM standards by which soil, rock and groundwater conditions may be determined. These methods include geophysical and in -situ testing as well as boring and sampling methods. Note that more than one investigative method may pehrerM IVE for a particular project and the type and extent of the methods used will vary bettyprojects and consulting engineering firms. 12 5 2009 Boring, Sampling & Standard Penetration Testino gy; Soil test borings with incremental soil sampling is the most widely used method o su su ace exploration in the local industry today. On our projects, advancement of borings to obtain subsurface samples is typically performed using one of the following techniques depending on the anticipated subsurface conditions, desired depth and information required. Method Open hole rotary drilling with mud slurry ASTM D 5183 Through soil in any geologic region, normally used locally for boring depths of 20 feet or more Continuous flight hollow stem auger drilling ASTM D 5784 Typically used for shallow Coastal Plain soil borings or in Piedmont eolo • ideal for installing monitoring wells Diamond core drilling ASTM D 2113 For penetrating rock concrete and dense cemented soils Hand auger boring ASTM D 4700 For shallow soils above the groundwater table Excavation ASTM D 4700 For soil and aggregates above the groundwater table Penetration or in -situ tests normally accompany boring and sampling operations on geotechnical explorations since borings alone usually do not provide adequate information concerning the type, strength and compressibility properties of the subsurface soils. The standard penetration test (SPIT) has become the most widely used procedure in the industry to obtain subsurface data and samples. Although it is a relatively crude test, it can provide a general indication of soil strength and compressibility while simultaneously sampling the soil. Standard penetration testing and split barrel sampling are conducted at regular intervals in a borehole in accordance with ASTM D 1586. Standard practice on most GER projects is to perform this testing and sampling continuously within the upper 10 feet of the subsurface, and then at maximum 5-foot center -to -center intervals thereafter. At the desired test depth, the drilling tools are removed and a split barrel sampler is connected to the drilling rods and lowered back into the borehole. The sampler is first seated six inches into the bottom of the hole to penetrate any loose cuttings from the drilling operations. It is then driven an additional 12 inches by the impact of a 140 pound hammer free -falling 30 inches. The number of hammer blows required to drive the sampler for each 6-inch interval is recorded. The combined number of blows required to drive the sampler the final 12 inches is designated standard penetration resistance or N-value. Representative portions of soil from each split barrel sample are placed in air tight glass jars or plastic bags and transported to a laboratory. i EiZ AUG n 5 2009 Undisturbed Sampling Split barrel samples are used for visual examination and simple laboratory classification tests; however, they are disturbed and not sufficiently intact for quantitative laboratory testing such as strength or consolidation. When such laboratory testing is desired, relatively undisturbed samples are obtained by slowly pushing a 3-inch diameter, thin -walled (16 gauge) galvanized steel tube into the soil at desired sampling depths. This is followed by carefully removing the soil -filled tube from the borehole and sealing the ends to prevent moisture loss. The procedure is described in ASTM D 1587. Undisturbed tube samples are most frequently used for sampling cohesive soils (clay and silt), but may be used to sample fine grained cohesionless soils with the aid of a piston sampling head. Excavation When explorations do not require machine -drilled borings, excavations, test pits, hand auger borings and other means described in ASTM D 4700 may be used to observe shallow subsurface conditions and to collect soil samples. The maximum depth of these methods is generally limited by the depth of groundwater. These methods are useful in obtaining bulk samples for laboratory classification, compaction and other remolded tests. Rock Coring Core drilling methods described in ASTM D 2113 are used to advance boreholes into rock or extremely dense soils which are not penetrable by conventional boring methods and typically exhibit more than 100 blows per foot by ASTM D 1586. Core drilling methods employed by GER use double tube swivel -type designed equipment with a drilling fluid, in which an outer tube rotates and performs the cutting while the inner tube remains stationary and collects a continuous sample of rock. In -Situ Methods In -situ tests are sometimes used on projects to obtain additional subsurface data. These methods provide direct and empirical measurement of various soil properties without collection of actual samples. Because samples are not collected, it is not common practice in the U. S. to utilize in -situ tests alone to accomplish geotechnical investigations. On projects where in -situ testing is used, it is customary to perform them in conjunction with borings. A list of several in -situ tests that are sometimes used in this locality is shown below. Method Static Cone ASTM D 3441 Semiempirical estimate of soil shear strength, empirical Penetrometer estimate of elastic and lateral soil properties, continuous profile, limited in dense soil and rock Flat Blade Marchetti Semiempirical estimate of lateral and elastic soil properties, Dilatometer continuous profile, limited in dense soil and rock Pressuremeter ASTM D 4719 Semiempirical estimate of lateral and elastic soil properties, used inside a borehole Electrical Resistivity ASTM G 57 Geophysical method for estimating corrosion potential, profiling anomolies and dense soil and rock Data Logging & Qua ft Control A geotechnical engineer from our office supervises all drilling and sampling activities by the boring subcontractor and records the subsurface conditions encountered on field boring logs. These records contain pertinent information concerning the method of boring, samples U 4 6 N U O v N 73 N W O U 1 <LI`i �I$ V JO LAUG ? 5 ?009 =EZ sY: attempted and recovered, indications of anomolies, observations of groundwater and types of materials encountered such as sands, clays, silts, gravel, weathered rock, etc. Interpretation of the soil conditions is made between samples; therefore, the boring records contain both factual and interpretive information. The geotechnical engineer visually observes each of the soil samples obtained and estimates their classification in general accordance with ASTM D 2487, Standard Classification of Soils for Engineering Purposes (Unified Soil Classification System). Where rock samples are obtained, samples are classified in accordance with ASCE Manuals and Reports on Engineering Practice, No. SM6 (1972) & No. 56 (1976). Classifications are recorded on the field logs. Final test boring records are constructed and submitted with reports. These records represent our interpretation of the subsurface conditions encountered based on engineering examination and laboratory tests of selected field samples. They depict subsurface conditions at specific boring locations and at the particular time of the field investigation. Soil conditions at other locations may differ from conditions at these boring locations. Also, the passage of time may result in a change in the subsurface soil and groundwater conditions at the boring locations. The lines designating interfaces between soil strata on the test boring records and on subsurface profiles represent approximate boundaries. The transition between soil materials is likely to be more gradual than indicated. The general procedures most commonly practiced by GER for typical geotechnical exploration projects are summarized below: Description 1 Project Setup Plan the exploration program, obtain necessary permits and property access rights, schedule start and completion dates for the work. 2 Testing Layout Stakeout proposed testing and sampling locations based on scaled drawings furnished by the client and using reference landmarks at the site. Shift locations to avoid utilities and other site constraints. 3 Utility Clearance Notify appropriate utility locating company of proposed testing and sampling locations so that existing utilities can be marked. State law normally requires notification at least 48 hours prior to starting work. 4 Field Investigation Document pertinent site features, supervise testing procedures and collection of samples, visually classify and containerize soil samples, record groundwater conditions construct logs of field data. 5 Laboratory Program Assign laboratory tests on selected soil samples recovered from the site tabulate and evaluate the results. 6 Engineering Evaluation Develop a subsurface profile using available field and laboratory data, perform engineering analysis of subsurface conditions encountered, develop appropriate design and construction recommendations for the project. Quality control is maintained at all levels throughout a project by carefully reviewing recommendations, reports and test procedures and results. Discussions that summarize laboratory tests conducted on samples recovered from projects sites are noted on the subsequent pages. U 4 N LBY: BUG 35 2009 EiZ Soil Classification Soil classification tests provide a general guide to the engineering properties of various soil types. Samples obtained during drilling operations are examined and visually classified by an engineer or geologist according to consistency, color and texture. These classification descriptions are included on the boring records. The classification system is primarily qualitative and for detailed soil classification, two laboratory tests are necessary; grain size tests and plasticity tests. Using these test results, the soil can be classified according to the AASHTO or Unified Classification System (ASTM D 2487). Each of these classification. systems and the in -place physical soil properties provides an index for estimating the soil's behavior. The soil classification and physical properties obtained are presented on the following sheets. Grain Size Tests Grain size tests are performed to determine the soil classification and the grain size distribution. The soil samples are prepared for testing according to ASTM D 421 (dry preparation) or ASTM D 2217 (wet preparation). The grain size distribution of soils coarser than the #200 U.S. Standard Sieve (0.074 mm opening) is determined by passing the samples through a standard set of nested sieves. Materials passing the No. 200 sieve are suspended in water and the grain size distribution calculated from the measured settlement rate. These tests are conducted in accordance with ASTM D 422. Plasticity Tests Plasticity tests are performed to determine the soil classification and plasticity characteristics. The soil plasticity characteristics are defined by the Plastic Index (PI) and the Liquid Limit (LL). The PI is related to the volume changes which occur in confined soils beneath foundations. The PI and LL are determined in accordance with ASTM D 4318. Physical Properties The in -place physical properties are described by the specific gravity, wet unit weight, moisture content, dry unit weight, void ratio and percent saturation of the soil. The specific gravity and moisture content are determined by ASTM D 854 and D 2216, respectively. The wet unit weight is found by obtaining a known volume of soil and dividing the wet sample weight by the known volume. The dry unit weight, void ratio and percent saturation are calculated values. California Bearing Ratio The California Bearing Ratio (CBR) test is a comparative measure of the shearing resistance of a soil. It is used with empirical curves to design asphalt pavement structures. The test is performed in accordance with ASTM D 1883 or Virginia Test Method Designation VTM-8. A representative bulk sample is compacted in a six-inch diameter CBR mold in five (5) equal layers, using 45 evenly spaced blows per layer with a 5.5 lb. hammer falling 12 inches. CBR tests may be run on the compacted samples in either soaked or unsoaked conditions, with samples penetrated at the rate of .05 inches per minute to a depth of 0.5 inches. The CBR value is the percentage of the load it takes to penetrate the soil to a specified depth compared to the load it takes to penetrate a standard crushed stone to the same depth. Consolidation Tests Consolidation tests determine the change in height of a soil sample with increasing load. The results of these tests are used to estimate the settlement and time rate of settlement of structures constructed on similar soils. The test is run in accordance with ASTM D 2435 on a single element of an extruded undisturbed sample. The test sample is trimmed into a disk U ,BUG 21 5 2009 BY: ---- approximately 21/2 inches in diameter and one inch thick. The disk is confined in a stainless steel ring and sandwiched between porous plates and subjected to incrementally increasing vertical loads, with the resulting deformations measured with micrometer dial gauges. Void ratios and percent strain deformation are then calculated from these readings. The test results are presented in the form of a stress -strain or vertical pressure versus void ratio curve. Triaxial Shear Tests Triaxial shear tests are used to determine the strength characteristics and elastic properties of a soil sample. Triaxial shear tests are conducted either on relatively undisturbed samples of virgin material or on remolded -compacted samples of representative site materials. The samples are then trimmed into cylinders and encased in rubber membranes. Each is then placed into a compression chamber and confined by hydrostatic cell pressure. An axial load is applied until the sample fails in shear. Test results are presented in the form of stress -strain curves and stress paths to failure. V Various types of triaxial tests may be performed. The most suitable type of triaxial test is determined by the loading conditions imposed on the soil in the field and by drainage characteristics of the site. Types of triaxial tests normally performed include: u to • Consolidated-Isotropic-Undrained (CIU test) • Consolidated-Anisotropic-Undrained (CK.0 test) 0 • Consolidated -Isotropic -Drained (CID test) • Consolidated-Anisotropic-Drained (CK D test) • Unconsolidated-Undrained (UU test) For DENR Use ONLY North Carolina Department of Environment and Reviewer. submit: �•1 Natural Resources NCDENR Request for Express Permit Review Time: Confirm: 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 file) and vicinity map (same items expected in the application package of the project location. Please include this form in the application package. • Asheville Region -Alison Davidson 828.296.4698;alison.davidson(a.ncmail.net • Fayetteville or Raleigh Region -David Lee 919-791-4203; david.lee(a)ncmail.net • Mooresville & -Patrick Grogan 704-663.3772 or patrick.grogan(a)ncmail.net • Washington Region -Lyn Hardison 252-946-9215 or Iyn.hardison(a)ncmail.net • Wilmington Region -Janet Russell910-350.2004 oral net.russell(alncmail.net NOTE: Project application received after 12 noon will be stamped in the following work day Permits of request SW 101 SW 108 SW SW SW Project Name: P-648 NAMTRA MARU FACILITY County: ONSLOW Applicant: CARL BAKER Company: CAMP LEJUENE PUBLIC WORKS Address: 1005 MICHAEL ROAD City: MCB CAMP LEJUENE, State: NC Zip: 28547-2521 Phone: 910-451-2818, Fax: _ _ _, Email: cad.h.baker@usmc.mil Physical Location: INTERSECTION OF DAVIS STREET AND CAMPBELL STREET ON THE NEW RIVER MARINE CORPS AIR STATION Project Drains into SC waters — Water classification _ (for classification see-http://h2o.enr.state.nc.us/bims/reports/reportsWB.html) Project Located in WHITE OAK River Basin. Is project draining to class ORIN waters? N , within Y22 mile and draining to class SA waters N or within 1 mile and draining to class HQW waters? Y Engineer/Consultant: MICHAEL D. HESSCompany: MSA, P.C. Address: 5033 ROUSE DRIVE City: VIRGINIA BEACH, State: VA Zip: 23462-3708 Phone: 757-490-9264, Fax: 757-490-0634, Email: mike hess@msaonline.com SECTION ONE: REQUESTING A SCOPING MEETING 014LY ❑ Scoping Meeting ONLY ❑ DWQ, ❑ DCM, ❑ DLR, ❑ OTHER: SECTIO14 TWO: CHECK ONLY THE PROGRAM (S) YOU ARE REQUESTING FOR EXPRESS PERMITTING ❑ 401 Unit ❑ Stream Origin Determination: _ # of stream calls — Please attach TOPO map marking the areas in questions ❑ Intermittent/Perennial Determination: _ # of stream calls — Please attach TOPO map marking the areas in questions ❑ 401 Water Quality Certification ❑ Isolated Wetland (_linear ft or _acres) ❑ Riparian Buffer Authorization El Minor Variance ❑ Major General Variance ® State Stormwater ❑ General ❑ SFR, ❑ SFR < 1 ac. ❑Bkhd & Bt Rmp, ❑ Clear & Grub, ❑ Utility ❑ Other ❑ Low Density ❑ Low Density -Curb & Gutter _ # Curb Outlet Swales ❑ Off -site [SW _ (Provide permit #)] ❑ High Density -Detention Pond _ # Treatment Systems ❑ High Density -Infiltration _ #Treatment Systems ❑ High Density -Bio-Retention _ # Treatment Systems ❑ High Density —SW Wetlands _ # Treatment Systems ® High Density -Other 5 # Treatment Systems / ❑ MOD: [I Major ❑ Minor ® Plan Revision ❑ Redev. Exclusion SW (Provide pen it#) ❑ 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 It (for DENR use)) SECTION THREE — PLEASE CHECK ALL THAT IS APPLICABLE TO YOUR PROJECT (for both scopinq and express meetina reauest Wetlands on Site ❑ Yes ® No Buffer Impacts: ® No ❑ YES: _acre(s) Wetlands Delineation has been completed: ❑ Yes ® No Isolated wetland on Property ❑ Yes ® No US ACOE Approval of Delineation completed: ❑ Yes ® No 404 Application in Process w/ US ACOE: ❑ Yes ® No Permit Received from US ACOE ❑ Yes ® No RR. RR4444R44444LR4LY.C4444p4444tP#4t444::'iv I4L#C4 :%}444KK44':4r: (11' DENR use oniY4P :}444Rrtc:}::SPPCPt:}:•L:•R4LILL:+5:4444.::t4.:}4P4{.4F44t .v`R4:}44LRP4:t Fee Split for multiple permits: (Check# 1 TnrarFmAmn,,.t t SUBMITTAL DATES Fee SUBMITTAL DATES Fee CAMA 1 $ Variance (❑ Mal; ❑ Min) $ SW (❑ HD, ❑ LD, ❑Gen)I $ 401: $ LQS I $ Stream Deter,_ $ NCDENR EXPRESS March 2009 I •,y`T Jr�ARI MrNT_ JM '.-Hr, 11\—ET(!O7 UNUen STA M!,, - ;ACXRLDNVIU:: SOUTIT uUADRAN(:I:r, - CUM50WAL j!lR Q DZIAUP.BY cc CGbMG. .< N, -Ti CAQJ UA ^.NrL'JM' lG R Y ( �• [ ifi .4 (o lrtmt: Lugo LY VJ UI-E SIM- E Il i 1 'F:^r.+P''�y'C� ' s_I' L S S d I L r i .n ev T r y �'. "�, L Ly -,.: z 1 w� r J,. i••. �. 1 ) L J..� _ t,�yz: ^>3 r. rs r� v'•6gj1A.�l. < i'� - . ♦ ,/. r, _ i Ldr. i x r� ir'''3AL�1ti•'.L:10.au R 'I%v:• �l� "a 'Vi'3 nr� .J .x �../ .A� ♦ LiM kL � �'Z�F JJ .;` �1' � V'ftrov [._�IJ / 4'L Yi rr001.— A r pLr / ° s'f i; , 1 J+><'•C'. I V ~ Ir_ * �rlll tt5 FF -Op r j L.r 'F �1'SP'I eit J V '1 A. 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SLG:.�`�..•.' :,�r.. ._.. k: tE" .�.Y.?I, ,F�, -.r _:.�4 _ ..... . ..� .♦\, ::._na e. .._.. ..Y ... ._ `J:I TOWNE$ANK 42086 MSA, P.C. a-eM su Euvimamental Sciences, CeoSciences Planning, Surveying, Engineering & Landscape Architecture 5033 Rouse Drive, Virginia Beach, VA 23462-3708 PAY Four Thousand and 00/100 Dollars TO NCDENR 1614 MAIL SERVICE CENTER RALEIGH NC 27699-1612 CHECK DAIS August 24, 2009 a n AMOUNT $4,000.00 0 2m,._ lb ALTMORIZED SIGNATURE Invoice Number Date Voucher Amount Discounts Previous Pay Net Amount REVIEW FEE 8120/09 0047553 4,000.00 4,000.00 NCOENR Totals 4,000.00 00.00� 4�0�__ 1 1 -AUG 5 2009 Hydraflow Plan View Ofnfatl j C G7 lJ C1t N 0 0 cv Project file: POV NAMTRA MARU.stm No. Lines: 1 03-10-2005 Hydaflow Slom Sewers 2003 Storm Sewer Tabulation Page 1 Station Len Dmg Area Rnoff Area x C Tc Rain Total Cap Val Pipe Invert Elev HGL Elev Grnd / Rim Elev Line ID coeff (1) flow full Line To - Incr- Total Inca Total Inlet Syst Size Slope Up Dn Up Dn Up Dn Line (ft) (ac) (ac) (C) (min) (min) (in/hr) (cfs) (cfs) (ft/s) (in) (%) (ft) (ft) (ft) (ft) (ft) (ft) 1 End 16.5 0.28 0.28 0.88 0.25 0.25 5.0 5.0 7.0 1.71 2.75 3.13 15 0.18 12.14 12.11 12.77 12.63 13.75 13.12 i c C71 tv 0 0 �n I Project File: POV NAMTRA MARU.stm Number of lines: 1 Run Date: 03-10-2005 NOTES: Intensity = 201.00 / (Inlet time + 23.90) ^ 1.00; Return period = 10 Yrs. Hydra0ow Storm Sev ,s 2003 Hydraflow Plan View OutfaE /I Project file: NAMTRA MARU Yard Pipe.stm I No. Lines: 1 03-10-2005 MydM low Slort sewers 2003 Storm Sewer Tabulation Page 1 Station Len Drng Area Rnoff coeff Area x C Tc Rain (1) Total flow Cap full Val Pipe _ Invert Elev HGL Elev Grnd / Rim Elev Line ID Line To Incr Total Incr Total Inlet Syst Size Slope Dn Up Dn Up Dn Up Line (ft) (ac) (ac) (C) (min) (min) (in/hr) (cfs) (cfs) (ft/s) (in) (%) (ft) (ft) (ft) (ft) (ft) (ft) 1 End 49 0.99 0.99 0.63 0.62 0.62 15.0 15.0 5.2 3.22 0.88 4.56 12 0.06 12.11 12.14 12.87 13.44 14.17 14.17 C G� 0 Ve ry 0 0 cu Project File: NAMTRA MARU Yard Pipe.stm Number of lines: 1 Run Date: 08-20-2009 NOTES: Intensity = 201.00 / (Inlet time + 23.90) ^ 1.00; Return period = 10 Yrs. c = cir e = ellip b = box Hydra0ow Storm Sewers Extension v .052 Hydraflow Plan View ' Oul(atl 4k p 8 20 22 19 21 4 0 23 5 4 6 7 8 25 9 1 1 6 13 1 15 1 17 C G� El o � o Icv Project file: NAMTRA MARU Roof Drain.stm No. Lines: 26 03-09-2005 Hydrafim Stw Sewers 2003 Storm Sewer Tabulation Page 1 Station Len Drng Area Rnoff Area x C Tc Rain Total Cap Vel Pipe Invert Elev HGL Elev Gmcl I Rim Elev Line ID coeff (I) flow fu_I_I Line To Incr Total Incr Total Inlet Syst Size Slope Up Dn Up Dn Up Dn Line (ft) (ac) (ac) (C) (min) (min) (inlhr) (cfs) (cfs) (ft/s) (in) (%) (it) (ft) (ft) (k) (ft) (ft) 1 End 114.0 0.03 0.60 0.40 0.01 0.58 10.0 10.0 5.9 3.45 7.68 4.18 18 0.54 12.09 11.48 12.80 12.19 14.59 12.35 2 1 21.0 0.00 0.52 0.00 0.00 0.52 0.0 6.5 6.6 3.44 3.39 4.38 12 0.90 12.28 12.09 13.40 13.21 15.44 14.59 3 2 6.5 0.00 0.52 0.00 0.00 0.52 0.0 6.4 6.6 3.44 2.42 4.39 12 0.46 12.31 12.28 13.69 13.63 16.11 15.44 4 3 18.0 0.02 0.02 1.00 0.02 0.02 5.0 5.0 7.0 0.14 1.39 0.40 8 1.33 12.55 12.31 13.99 13.99 17.68 16.11 5 3 44.3 0.00 0.50 0.00 0.00 0.50 0.0 6.3 6.7 3.33 2.51 4.24 12 0.50 12.53 12.31 14.38 13.99 16.42 16.11 6 5 18.0 0.06 0.06 1.00 0.06 0.06 5.0 5.0 7.0 0.42 1.21 1.20 8 1.00 12.71 12.53 14.68 14.66 17.68 16.42 7 5 45.0 0.00 0.44 0.00 0.00 0.44 0.0 6.1 6.7 2.95 2.55 3.76 12 0.51 12.76 12.53 14.96 14.66 16.77 16.42 8 7 18.0 0.08 0.08 1.00 0.08 0.08 5.0 5.0 7.0 0.56 1.24 1.59 8 1.06 12.95 12.76 15.22 15.18 17.68 16.77 9 7 37.8 0.00 0.36 0.00 0.00 0.36 0.0 5.9 6.8 2.43 2.46 3.09 12 0.48 12.94 12.76 15.36 15.18 17.07 16.77 10 9 18.0 0.07 0.07 1.00 0.07 0.07 5.0 5.0 7.0 0.49 1.51 1.39 8 1.56 13.22 12.94 15.54 15.51 17.68 17.07 11 9 3.3 0.00 0.29 0.00 0.00 0.29 0.0 5.8 6.8 1.96 2.77 2.50 12 0.61 12.96 12.94 15.52 15.51 17.07 17.07 12 11 28.5 0.06 0.05 1.00 0.05 0.05 5.0 5.0 7.0 0.35 1.22 1.00 8 1.02 13.25 12.96 15.64 15.62 17.68 17.07 13 11 32.8 0.00 0.24 0.00 0.00 0.24 0.0 5.6 6.8 1.64 2.49 2.08 12 0.49 13.12 12.96 15.68 15.62 17.22 17.07 14 13 28.3 0.07 0.07 1.00 0.07 0.07 5.0 5.0 7.0 0.49 0.88 1.39 8 0.53 13.27 13.12 15.80 15.75 17.68 17.22 15 13 37.4 0.00 0.17 0.00 0.00 0.17 0.0 5.2 6.9 1.18 2.47 1.50 12 0.48 13.30 13.12 15.79 15.75 17.37 17.22 16 15 28.5 0.14 0.14 1.00 0.14 0.14 5.0 5.0 7.0 0.97 1.22 2.79 8 1.02 13.59 13.30 16.01 15.83 17.68 17.37 17 15 2.4 0.03 M�J 0.03 1.00 0.03 0.03 5.0 5.0 7.0 0.21 1.56 0.60 8 1.67 13.34 13.30 15.83 15.83 17.68 17.37 ,�r ...1 18 1 63.8 0.00 0.05 0.00 0.00 0.05 0.0 6.4 6.6 0.33 2.48 2.19 12 0.49 13.27 12.96 13.52 13.21 16.41 14.59 r`j ry 19 18 12.0 0.01 0.01 1.00 0.01 0.01 5.0 5.0 7.0 0.07 1.26 0.63 8 1.08 13.40 13.27 13.59 13.59 17.68 16.41 to 20 18 23.0 0.00 0.04 0.00 0.00 0.04 0.0 6.1 6.7 0.27 2.57 1.61 12 0.52 13.39 13.27 13.62 13.59 16.22 16.41 tsa M 21 20 12.0 0.02 0.02 1.00 0.02 0.02 5.0 5.0 7.0 0.14 1.71 1.42 8 2.00 13.63 13.39 13.81 13.68 17.68 16.22 r.a m Project File: NAMTRA MARU Roof Drain.stm Number of lines: 26 Run Date: 03-09-2005 NOTES: Intensity = 201.00 / (Inlet time + 23.90) ^ 1.00; Return period = 10 Yrs. Hydranow Storm Sewers 2003 Storm Sewer Tabulation Page 2 Station Len Drng Area Rnoff Area x C Tc Rain Pipe Invert Elev HGL Elev Grnd I Rim Elev Line ID - coeff (1) 7ap Line To Incr Total Incr Total Inlet SystSize Slope Up Dn Up Dn Line (k) (ac) (ac) (C) (min) (min) (in/hr) ( (In) (%) (ft) (ft) (ft) (ft) 22 20 11.0 0.00 0.02 0.00 0.00 0.02 0.0 5.9 6.7 0.13 2.63 0.85 12 0.55 13.45 13.39 T13.7013.70 15.78 16.22 23 22 13.0 0.00 0.02 0.00 0.00 0.02 0.0 5.7 6.8 0.14 2.42 1.10 12 0.46 13.51 13.45 16.26 15.78 24 23 10.0 0.01 0.01 1.00 0.01 0.01 5.0 5.0 7.0 0.07 1.32 1.11 8 1.20 13.63 13.51 13.76 13.73 17.68 16.26 25 23 36.1 0.00 0.01 0.00 0.00 0.01 0.0 5.1 6.9 0.07 2.51 0.98 12 0.50 13.69 13.51 13.80 13.73 16.99 16.26 26 25 10.0 0.01 0.01 1.00 0.01 0.01 5.0 5.0 7.0 0.07 1.21 1.39 8 1.00 13.79 13.69 13.92 13.83 17.68 16.99 rJ O u co Project File: NAMTRA MARU Roof Drain.sim Number of lines: 26 Run Date: 03-09-2005 NOTES: Intensity = 201.00 / (Inlet time + 23.90) ^ 1.00; Return period = 10 Yrs. 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' ,' yt'. : ]•,. � ..•i� IAf,i�' , ... _ err: .. .: � +X `rr i� r� \ ..... _ _ �+-u - `. � ., I June 24, 2009 Ms. Linda Lewis Environmental Engineer North Carolina Division of Water Quality Wilmington Regional Office 127 Cardinal Drive Extension Wilmington, NC 28405-3845 RE: Stormwater Project No. SW8 050635 P-648 NAMTRA MARU Facility Contract No. N62470-02-R-0240 Onslow County MSA 403222A Dear Ms. Lewis: �Ecp ,BUG ^ 5 2009 BY:__ Enclosed please find one (1) set of the revised site plans for the above referenced project. Each of comments dated May 8, 2006 have been addressed as follows: As was indicated in my previous letter dated August 11, 2005, it appears that a majority of the runoff fiom the new Training Facility is still being collected via piping and discharged with no treatment. This was not addressed in either the September 26, 2005, submittal, or in this submittal. Please provide an engineered sormwater treatment facility for ALL of the runoff from the proposed Training Facility. This will require a revised drainage area map and calculations. Response: Two bioretention basins, BA-1A and BA-lB, have been indicated on sheet C- 401R. Calculations and revised drainage area maps have been included with this submittal as well. 2. Revised storage volume calculations were submitted only for BA-3 and BA-4. Please provide similar revised volume calculations for Basins BA-1 & BA-2, per my letter dated November 30, 2005. Per the table on Sheet C-803R, there is 1 foot of difference (0.3084 meters) between the bottom and storage elevations for each basin, however the current volume calculations for basins I & 2, received on September 26, 2005, provide only 0.5' of difference. Response: Revised calculations for BA-1C, formally BA-1, BA-2, BA-3, and BA-4 have been included with this submittal. The deep of storage has been changed from 0.5' to 1.0' 3. Part of the confusion regarding these plans is that the section view of the basin on Sheet C-803R has no corresponding table to identify the specific elevations for each of the identified elements, such as the "Max. Ponded Water Depth" and the "Finished Grade of Basin". Please either provide a separate table for the elevations in the basin section view, or call the elevations by a common name and use the one table to specify the required elevations for both the outlet structures and the basins. For example, you could label the overflow elevation as the "Rim (Overflow) Elevation & Max. Ponded Water Depth' and the bottom elevation as the "Finished Grade of Basin & Proposed Grade". It doesn't really matter what you call it as long as it's consistent between the two. Linda Lewis June 24, 2009 VISA 463222A Page 2 R-E FUV ,SDWG ^ 5 9009 BY: Response: A table with the overflow elevation, proposed grade (bottom grade), and area of each bioretention basin has been indicated on sheet C403R 4. Please provide another copy of the revised plan sheets. Only one set was submitted. Response: Two copies of the plan set have been included with this submittal. Should you have questions, please do not hesitate to call me at 757-490-9264 or by email Mike Hess0z)onsaonline com Sincerely, Michael D. Hess, E.I.T., NSPE Project Engineer III Enclosures MDH/cag cc: Commander Lawrence Redal, USN, OICC Jim Donahue. HBA TRANSMISSION VERIFICATION REPORT TIME : 09/08/2009 08:12 NAME : NCDENR FAX : 9103502018 TEL : 9107967215 DATE,TIME 09/08 08:09 FAX NO./NAME 919104512927 DURATION 00:02:18 PAGE(S) 08 T OK MODDE STANDARD ECM gaze oT r4orin "rotma Department of Environment and Natural Resource; Wilmington Regional Office Nererl; &'eves Perdue, Governor FAX COVER SHEET Date: -1-07 " Fox: Rc: Dee Freeman, Secretary No. Pages (excl. cover): % Express Permitting From: Sandra E;xum Phone L910'Z796-7265 Pax: `(g9(1,0) 350-2004 Hord C'tp- to follow 127 Ci rdinnl Drivc HslcnSion. Wilmington. NC 28405 • (910) 7990215 • An liquid Opportunity Aftirinutivu Action Enlplo.vwr I TRANSMISSION VERIFICATION REPORT TIME 09/08/2009 08:08 NAME NCDENR FAX 9103502018 TEL 9107967215 DATE,TIME 09/08 08:06 FAX NO./NAME 917574900634 DURATION 00:02:34 PAGE(S) 08 RESULT OK MODE STANDARD State of North Carolina Department of Environment and Natural Resources Wilmington Regional Office Beverly Eaves Perdue- Governor FAX COVER SHEET Date; To: �I�uSL, Co: J Fay: Rc: Lard k_opy to follow Dee Freeman, Secretor." No. Pages (t;scl. cover): Express Permitting From; Sandra Exum Phone: L101796-7265 Fax: 127 Corrdinal I)rivc F,xtcnsion, Wilmington. NC 2g405 • (910) 796.7215 • An Gqual Opportunity AI rnititivu Action Employer