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HomeMy WebLinkAboutNCG140415_COMPLETE FILE - HISTORICAL (CHECK ORIG FILE)_20130520STORMWATER DIVISION COOING SHEET RESCISSIONS PERMIT NO. �l % �V DOC TYPE ❑COMPLETE FILE -HISTORICAL DATE OF RESCISSION 0 O� �✓Q�� YYYYMMDD ALIF-�VA HCDENR North Carolina Department of Environment and Natural Resources Division of Water Quality Pat McCrory Charles Wakild, P.E. Governor Director May 20, 2013 Michael Manning Western Wake Freeway Concrete Batch Plant 1071 Classic Rd Apex, NC 27539 Dear Mr. Manning: John Skvarla, III Secretary Subject: Rescission of NPDES Stormwater Permit Certificate of Coverage Number NCG 140415 Western Wake Freeway Concrete Batch Plant Wake County On 12/19/2012, the Division of Water Quality received your request to rescind your coverage under Certificate of Coverage Number NCG 140415. In accordance with your request, Certificate of Coverage Number NCG 140415 is rescinded effective immediately. Operating a treatment facility, discharging wastewater or discharging specific types of stormwater to waters of the State without valid coverage under an NPDES permit is against federal and state laws and could result in fines. If something changes and your facility would again require stormwater or wastewater discharge permit coverage, you should notify this office immediately. We will be happy to assist you in assuring the proper permit coverage. If the facility is in the process.of being sold, you will be performing a public service if you would inform the new or prospective owners of their potential need for NPDES permit coverage. If you have questions about this matter, please contact Boyd DeVane at 919 807-6373, or the Water Quality staff in our Raleigh Regional Office at 919-791-4200. Sincerely, for Charles Wakild, P.E., Director cc: Raleigh Regional Office Stormwater Permitting Unit DWQ Central Files - w/attachments Fran McPherson, DWQ Budget Office Wake County Wetlands and Stormwater Branch One 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 NorthCaColina Location: 512 N. Salisbury St. Raleigh, North Carolina 27604 Phone: 91M07.6300 4 FAX: 91 H07-&494 . /Vatumll�/ Intennet: www.ncvvaterquali�.org f� ;J An Equal ppporlurt4y 1 Affirmative Action Employer f Central Files: APS SWP 12101111 Permit Number NCG140415f Permit Tracking Slip Program Category Status Project Type NPDES SW Active New Project Permit Type Version Permit Classification Ready Mix Concrete Stormwater/Wastewater Discharge COC 1.00 COC Primary Reviewer ken.pickle Coastal SW Rule Permitted Flow Facili Permit Contact Affiliation Facility Name Major/Minor Legion Western Wake Freeway Temporary RMC Batch Minor Raleigh Plant Site B Location Address County 1525 S Salem St Wake Apex NC 27502 Facility Contact Affiliation Stephen Gardner 1525 S Salem St Owner Apex NC 27502 Owner Name Owner Type Raleigh -Durham Roadbuilders " Non -Government Owner Affiliation Michael Manning 1071 Classic Rd Dates/Events Apex NC 27539 Scheduled Orig Issue App Received Draft Initiated Issuance Public Notice Issue Effective Expiration 12/01/11 09/23/11 12/01/11 12/01/11 12/01/11 Regulated Activities Requested/Received Events Ready mixed concrete - slormwater discharges RO staff report received RO staff report requested Additional information requested 10/10;11 Additional information received 10/24111 Other agency comments requested 11 Other agency comments received 11 {23111 Outfall 001 Waterbody Name Stream Index Number Current Class Subbasin Heaver Creek 16-41-10-(0.3) WS-IV;NSW 03-06-05 r3 RALEIGH-DURHAM ROADBUILDERS PEM CASH 929 W. ADAMS STREET CHICAGO, IL 60607 V � L G� k 40 Lk 1s 3091" 2-3/710 IL DATE 7 1411 CT355 $ �Z' &AV DOLLARS Bankof America Chicago, Illinois PDC�5.. FOR V11 ' - LETTER OF RANSMITTAL j_WSPmSELLS 15401 Weston Parkway, Suite 100 Cary, NC 27513 T: 919.678.0035 F: 919.678.0206 www.wspsells.com r TO: Stormwater Permitting Unit Division of Water Quality 1617 Mail ervlce en er a eig , INC 27699-1617 DATE 9/22/11 ✓ JOB NO. 112011 PROPOSALNO. ATTN: Ken Pickle RE: Western Wake Expressway Temporary RMC Batch Plant, Site'B' ' NOI for coverage under NCG140000 WE ARE SENDING YOU ❑ Attached P Via FedEx the following items: Via Mail Shop Drawings Prints Plans 0 Samples 0 Specifications Copy of Letter Change Order Photographs Control Photographs [j Contact Prints Manuscripts Diskettes Diapositives x See Below COPIES DATE NO. DESCRIPTION 3 9/20/11 Construction Plans & Specifications 3 9/19/11 NOI Package, Calculations & Design Details 1 9/19/11 Cover Letter DENR • WATER QUALI rY DS AND STORMWATER BWWCH THESE ARE TRANSMITTED as checked below: x For approval For your use As requested For review and comment Control survey required See below remarks FORBIDS DUE Approved as submitted Resubmit Approved as noted Submit Return for corrections Return For your records Analytical aerial triangulation required For review and comment copies for approval copies for distribution corrected prints 20 ❑ PRINTS RETURNED AFTER LOAN TO US REMARKS Sheet C300 of the attached Construction Plans and Specifications is being submitted along with the entire plan set to the N rth Carolina Turnpike Authority for Sedimentation and Erosion Control review. Upon finalization of their review, the proposed erosion control plan will be submitted to the North Carolina Department of Transportation for approval. NCDOT operates their own in house Sedimentation and Erosion Control program through their Roadside Environmental Unit for all projects within designated NCDOT rights -of -way. I appreciate your assistance in getting this project approved and permitted under NCG140000. Please feel free to contact me At your convenience with any comments or concerns that arise. COPY TO: Kristofer A. Edelberg — RDR SIGNED: N Stormwater Permitting Unit NCDENR — Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 September 19, 201 1 RE: Notice of Intent for NPDES General Permit NCG140000 Western Wake Expressway, Temporary RMC Batch Mani, Site B Raleigh -Durham Roadbuilders NCTA Contract No.: C201993 WSP SELLS Project No.: 1 1201 1 On behalf of Raleigh -Durham Roadbuilders (RDR), we are pleased to present you with this Notice of Intent (NOI) Application for coverage under NPDES General Permit NCG140000 for your review and approval. The North Carolina Turnpike Authority (NCTA) has retained RDR to provide grading and pavement services for the Western Wake Expressway (1-540) in Wake County, NC. RDR intends to erect a New Temporary Ready -Mixed Concrete (RMC) Batch Plant at 1525 South Salem Street, in Apex, NC. The site is located on Old US Highway 1 (South Salem Street), approximately two (2) miles southwest of the intersection with US Highway 55 in Apex, NC. In order to meet NCTA construction schedules, the plant should be ready to produce concrete on February 1, 2012, in order to begin full scale production on Match 15, 2012. To meet this schedule, the owner needs to have all permits in hand prior to November 15, 2011. Please find attached three (3) NOI submittal packages including application forms, a written narrative, design specifications, calculations and supporting documentation, and three (3) sets of construction plans for your review and approval. Should you require any additional information, please don't hesitate to contact me at (919) 678-0035 or an y.hpwell(2wspsells.com. We look forward to hearing from you soon. Sincerely, Chas. H. Sells d/b/a WSP SELLS Andrew M. Howell, PE, CFM Water Resources Engineer cc: file Mr. Kristofer A. Edelberg, Raleigh -Durham Roodbuilders Raleigh -Durham Roadbuilders 1071 Classic Road Apex StateNC ZIP Code 27539 (919)2� '5 v + `51100 /' Fax: (919) 367-5197 2) Location of facility producing discharge: Facility Name Facility Contact Street Address City County Telephone No. �^16A ileS� SARM / TT4 z- a l �1�AL e i�rakr-- FOFt ACC: Un Year Division of Water Quality / Surface Water Protection Ccnific Kid NCDENR National Pollutant Discharge Elimination System Checks Noarn CMa — DC R Ww o —0 N", fts0vFkC" NCG 140000 p`rn NOTICE OF INTENT National Pollutant Discharge Elimination System application for coverage under General Permit NCG140000: STORMWATER AND PROCESS WASTEWATER DISCHARGES associated with activities classified as: SIC (Standard Industrial Classification) Code - 3273 Ready Mixed Concrete For new plant sites that will discharge or recycle process wastewater (even if commingled with stormwater): This NOI is also an APPLICATION FOR Authorization to Construct (ATC) wastewater treatment facilities. ATC requests must be submitted at least 90 days prior to construction'. For exfstina plant sites discharging or recycling process wastewater (even if commingled with stormwater): This NOI is also an APPLICATION FOR Authorization to continue to operate wastewater treatment facilities In place. Construction, modification, or installation of any new treatment components at an existing site requires an ATC. Treatment facilities used to treat or recycle process wastewater (including stormwater BMP structures treating process wastewater flows commingled with stormwater) require an ATC prior to construction per 15A NCAC 2H .0138. The 4uthorization to construct or continue to operate will be issued at the same time as the Certificate of Coverage (COC) for the NCG14 permit. Design of treatment facilities must comply with requirements of 15A NCAC 21-1.0138 & .0139. Construction of wastewater treatment facilities (this includes recycle systems) at new or existing plant sites requires submission of three (3) sets of plans and specifications signed and sealed by a Professional Engineer (P.E.) or qualified staffz along with this application. A copy of the design calculations should be included. Please see questions 14 & 15. For questions, please contact the DWO Regional Office for your area. (See page 5) y�.� I (Please print or type) 1) Mailing address of owner/operator (address to which all permit correspondence will be mailed): Name Street Address City Telephone No. Western Wake Freeway Stephen Gardner 1525 South Salem Street Apex StateNC ZIP Code 27502 Wake (919) J-d $1Fax: (919)367-5197 Page 1 of 5 'As per 15A NCAC 2H .0106 2Unless treatment facilities are designed, constructed, and put into operation by employees internal to the company who are qualified to perform such work for their respective companies in accordance with General Statutes, 89C-25 (7), plans and specifications must be signed and sealed by a P.E. SWU-229-071408 Last revised 7/14/08 NCG140000 N.O.I. 3) Physical location information: Please provide a narrative description of how to get to the facility (use street names, state road numbers, and distance and direction from a roadway intersection). Facility is be located within the construction easement at 1525 South Salem Street, Apex, NC (A copy of a county map or USGS quad sheet with facility clearly located on the map is a required part of this application.) 4) Latitude 350 42' 28" N Longitude 78° 52' 56" W (deg, min, sec) 5) This NPDES Permit Application applies to which of the following: ® New or Proposed Facility Date operation is to begin February 2012 ❑ Existing 6) Standard Industrial Classification: Provide the 4 digit Standard Industrial Classification Code (SIC Code) that describes the primary industrial activity at this facility SIC Code: 3 2 7 3 7) Provide a brief description of the types of industrial activities.and products produced at this facility: (Include a site diagram showing the process areas present at this facility.) Production of Ready -Mixed Concrete for Western Wake Freeway. Activities will include washing of concrete truck beds and washing of the mixing drum. 8) Discharge points 1 Receiving waters: How many discharge points (ditches, pipes, channels, etc.) convey stormwater and/or wastewater from the property? Two 2 What is the name of the body or bodies of water (creek, stream, river, lake, etc.) that the facility stormwater and/or wastewater discharges end up in? Unnamed Tributa[y to Beaver Creek It the site stormwater discharges to a separate storm sewer system, name the operator of the separate storm sewer system (e.g. City of Raleigh municipal storm sewer). NIA Receiving water classification (if known):WS-IV, NSW Note: Discharge of process wastewater to receiving waters classified as WS-II to WS-V or SA must be approved by the N.C. Dept. of Environmental Health. If DEH does not approve, coverage under NCG140000 cannot be granted. No new discharges of process wastewater are permitted in receiving waters classified as WS-1 or freshwater ORW. 9) Does this facility have any other NPDES permits? ® No ❑ Yes If yes, list the permit numbers for all current NPDES permits for this facility: NIA 10) Does this facility have any Non -Discharge permits (ex: recycle permits)? ® No ❑ Yes If yes, list the permit numbers for all current Non -Discharge permits for this facility: NIA 11) Does this facility employ any best management practices for stormwater control? ❑ No ® Yes If yes, please briefly describe: Rock Check Dams and Skimmer Basin located at northwestern corner of site. Please refer to Narrative Section 11 , Page 2 of 5 SWU-229-071408 last revised 7/14/2008 NCG140000 N.O.I. 12) Does this facility have a Stormwater Pollution Prevention Plan? ® No ❑ Yes If yes, when was it implemented?Not at the time of NOI. An SWP3 will be in place prior to plant operation. 13) Are vehicle maintenance activities occurring or planned at this facility? ® No ❑ Yes Wastewater Treatment Design Information 14) Are discharges occurring or planned from any of the following process wastewater generating activities? Vehicle and equipment cleaning ® Yes ❑ No Wetting of raw material stockpiles X Yes ❑ No Mixing drum cleaning ® Yes ❑ No If yes to any of the above, please describe the type of process used to treat and/or recycle the process wastewater. 1XFor a sufficient application, you must provide design specifics (e.g., design volume, retention time, surface Isalarea, etc.) and calculations to demonstrate compliance with permit effluent limits (pH — 6-9 SU, Total Suspended Solids (TSS) — 30 mg/l, and Settleable Solids (SS) — 5 mill.) [Use separate sheet(s)]. If all these discharges are recycled, please refer to Question 15. For plants that recycle and/or discharge process wastewater. When applying for this permit, you are also applying for an authorization to construct (new treatment facilities) or authorization to continue to operate (existing treatment facilities) as part of the NOI. For new sites, you must submit three (3) sets of design plans. and specifications with this application and provide supporting calculations that predict compliance of final discharge with permit limits. For existing sites, applicants should submit three (3) sets of plans and specs for facilities as -built and provide as many design details as possible, or submit a detailed diagram of treatment systems in place that includes information such as tank volumes, dimensions, retention time, piping, settling basin details, etc. Please note: If new treatment systems are planned for an existing site, an ATC will be required prior to construction of those facilities. Plans/specs/calculations prepared by a P.E. and the request for an ATC may be submitted with this NOI, or separately at a later date. DWO may request the status of your plans for requesting an ATC upon issuance of the COC. 15) Does the facility use or plan to use a recycle system? ❑ No ® Yes If yes, what size storm event is the system designed to hold before overflowing? (for example, 10-yr, 24-hr) 25 + year, 24-hr rainfall event For a recycle system (regardless of when it overflows), please provide plans, calculations, and design specifics (e.g., throughput assumptions/water balance, design volume, retention time, surface area, amount of freeboard in design storm event, etc.). [Use separate sheet(s)]. Vi'' For a sufficient application, the information must demonstrate compliance of final discharge with permit � effluent limits (pH — 6-9 SU, Total Suspended Solids (TSS) — 30 mg/l, and Settleable Solids (SS) — 5 ml/1), or must demonstrate that the recycle system has sufficient capacity to contain runoff from a 25-year, 24-hr rainfall event plus one foot of freeboard under design operating conditions. Page 3 of 5 SWU-229-071408 Last revised 7/14/2008 NCG 140000 N.O.I. 16) Are wastewater treatment facilities (including recycle systems) planned in the 100-year flood plain? ® No ❑ Yes If so, include information to demonstrate protection from flooding. (Minimum design requirements for treatment works include protection from the 100-year flood, per 15A NCAC 2H .0219.) 17) Hazardous Waste: a) Is this facility a Hazardous Waste Treatment, Storage, or Disposal Facility? ® No ❑ Yes b) Is this facility a Small Quantity Generator (less than 1000 kg. of hazardous waste generated per month) of hazardous waste? ® No ❑ Yes c) Is this facility a Large Quantity Generator (1000 kg. or more of hazardous waste generated per month) of hazardous waste? ® No ❑ Yes d) If you answered yes to questions b. or c., please provide the following information: Type(s) of waste: How is material stored: Where is material stored: How many disposal shipments per year: Name of transport / disposal vendor: Vendor address: 18) Certification: n/a n/a n/a n/a North Carolina General Statute 143-215.6 B(i) provides that: Any person who knowingly makes any false statement, representation, or certification in any application, record, report, plan, or other document filed or required to be maintained under this Article or a rule implementing this Article; or who knowingly makes a false statement of a material fact in a rulemaking proceeding or contested case under this Article; or who falsifies, tampers with, or knowingly renders inaccurate any recording or monitoring device or method required to be operated or maintained under this Article or rules of the [Environmental Management] Commission implementing this Article shall be guilty of a Class 2 misdemeanor which may include a fine not to exceed ten thousand dollars ($10,000). I hereby request coverage under the referenced General Permit. I understand that coverage under this permit will constitute the permit requirements for the discharge(s) and is enforceable in the same manner as an individual permit. certify that I am familiar with the information contained in this application and that to the best of my knowledge and belief such information is true, complete, and accurate. Printed Name of Person Signing: Michael Manning Title: Proiect Executive A (Signature of Applicant) 1-)1-! 1 (Date Signed) Notice of Intent must be accompanied by a check or money order for $100.00 made payable to: NCDENR Page 4 of 5 SWU-229-071408 Last revised 7/14/2008 NCG140000 N.O.I. Final Checklist This application will be returned as incomplete unless all of the following items have been included: ® Check for $100 made payable to NCDENR. ® This completed application and all supporting documentation (including design details and calculations for treatment systems). vov ® If an Erosion & Sedimentation Control (E&SC) Plan is required from Division of Land Resources (DLR) or local designee: documentation verifying applicant has developed and submitted that Plan to the governing agency (required per 15A NCAC 02H .0138).' ® For new sites (or sites that will install new treatment facilities): Three (3) copies of plans and 1 specifications for wastewater treatment facilities (including recycle systems), signed and sealed by a Professional Engineer or qualified staff meeting requirements of G.S. 89C-25 (7). `n ❑ For existing sites: three (3) copies of plans and specifications for wastewater treatment facilities (including recycle systems) as built, stamped and sealed by a Professional Engineer, or (only if plans not available) a detailed diagram of treatment systems in place that includes information such as tank volumes, dimensions, retention time, piping, settling basin details, etc. ® A site map showing, at a minimum, (existing or proposed): (a) outline of drainage areas, (b) stormwater/wastewater treatment structures, (c) location of stormwaterlwastewater outfalls (corresponding to which drainage areas), (d) runoff conveyance structures, (e) areas where materials are stored, (f) impervious areas, and (g) site property lines. ® A county map or USGS quad sheet with location of facility clearly marked. Mail the entire package to: Stormwater Permitting Unit Division of Water Quality 1617 Mail Service Center Raleigh, North Carolina 27699-1617 Note The submission of this document does not guarantee the issuance of an NPDES permit. For questions, please contact the DWO Regional Office for your area. DWQ Regional Off ide Contact Information: Asheville Office ...... (828) 296-4500 Fayetteville Office ... (910) 433-3300 Mooresville Office ... (704) 663-1699 Raleigh Office ........ (919) 791-4200 Washington Office ...(252) 946-6481 Wilmington Office ... (910) 796-7215 Winston-Salem ...... (336) 771-5000 Central Office .........(919) 807-6300 Page 5 of 5 SWU-229.071408 Last revised 7/14/2008 0.0 INTRODUCTION This document is intended to accompany the attached Notice of Intent (NOI) to apply for coverage under the National Pollutant Discharge Elimination System (NPDES) North Carolina General Permit NCG140000. General Permit NCG140000 applies to stormwater and process wastewater discharges associated with activities classified as Standard Industrial Classification (SIC) Code 3273, Ready .Mixed Concrete (RMC). The North Carolina Turnpike Authority (NCTA) has retained Raleigh -Durham Roadbuilders to provide design -build services for the construction of the Western Wake Freeway in Wake County, North Carolina. In order to support paving operations, Raleigh -Durham Roadbuilders intends to erect a Temporary RMC_Batch Plant within a designated construction easement located at the intersection of the future Western Wake Freeway and Old US Highway 1, within the Town of Apex iurisdiction. The site is located on Old US Highway 1 (South Salem Street), approximately two (2) miles southwest of the intersection with US Highway 55 in Apex, NC. This application for coverage applies to a New Temporary Facility. As part of their normal operations, Raleigh -Durham Roadbuilders intends to operate and maintain a process wastewater recycle system for the washing of concrete trucks. The recycle system consists of a wash bay with weir overflow, a primary settling basin (Basin 1) and a secondary holding basin (Basin 2). During normal operations, the recycle system will function as a closed system with no discharge. In wet weather conditions resulting in a discharge of treated process wastewater, Basin 2 has been designed to comply with NC Division of Water Quality (DWQ) effluent standards for discharge during a 10 year design event: 30 mg/I for Total Suspend Solids (TSS) L •� 5 mg/I for Settleable Solids (SS) ��M T I� "'�' 5 6-9 SU for pH, All on -site stormwater shall be directed through permanent erosion control structures and discharged through a skimmer basin located to the west of the recycle system. In the document to follow, section numbers correspond to the numbered items in the NOI forms. The NOI is included in this document as Appendix A. WSP SELLS 1 Revised N01 Narrative - RDR.doc 1.0 OWNER/OPERATOR The owner of the proposed RMC batch plant is: Raleigh -Durham Roadbuilders A Joint Venture of Archer Western Contractors, Ltd. And Granite Construction Company 1071 Classic Road Apex, NC 27539 Phone: (919) 367-5100 Fax: (919) 367-5197 2.0 FACILITY LOCATION The Western Wake Freeway Temporary, RMC Batch Plant, Site B will be located at: 1525 South Salem Street Apex, NC 27502 Wake County Phone: (919) 367-5100 Fax: (919) 367-5197 NCTA Project No. R2635A, R2635B, R2635C NCTA Contract No. C201993 The facility contact is Stephen Gardner. Please refer to Appendix G for a site vicinity map. 3.0 PHYSICAL LOCATION INFORMATION The facility is to be located within the construction easement at 1525 South Salem Street, Apex, NC. The site is to be located on Old US Highway 1 (South Salem Street), approximately two (2) miles southwest of the intersection with US Highway 55 in Apex, NC. 4.0 GEOGRAPHIC LOCATION Latitude: 35042'28" N Longitude: 78052'56" W 1f 5.0 FACILITY STATUS This NPDES Permit Application applies to a New or Proposed Temporary Facility. In order to meet NCTA construction schedules, the plant should be ready to produce concrete on February 1, 2012, in order to begin full scale production on March 15, 2012. To meet this schedule, the owner needs to have all permits in hand prior to November 15, 2011. WSP SELLS 2 Revised NOI Narrative - RDR.doc 6.0 STANDARD INDUSTRIAL CLASSIFICATION The four (4) digit SIC Code that describes the proposed primary industrial activity at this facility is the SIC Code for Ready Mixed Concrete. SIC Code. 3273 7.0 INDUSTRIAL ACTIVITIES The proposed primary industrial activity to occur at this facility is the production of Ready Mixed Concrete for the Wake County Western Wake Freeway project. For the proposed site layout showing the process areas present at the facility, please refer to Sheet C200 of the attached construction plans. 8.0 DISCHARGE POINTS There are two (2) discharge points for the property. One discharge point conveys process wastewater from the wash bay recycle system offsite at the northwest corner of the project site. A second discharge point adjacent to the process wastewater treatment system conveys primarily stormwater from the project site. However, the latter will also be sampled for compliance with wastewater effluent standards, as it has been determined to contain .a very weak process wastewater stream resulting from the wetting of raw material stockpiles. All materials to be wet by sprinkler system are to be washed prior to delivery to the project site. Additionally, the sprinkler system will utilize water from a municipal source, which has been treated to drinking water standards. Therefore, the weak wastewater stream has been determined to present very little potential negative impact on effluent water quality, and will not be treated in the wash bay recycle system. It will however be treated through conventional sedimentation and erosion control measures such as rock check dams and a skimmer basin located immediately to the west of the recycle system. The ultimate receiving water for all discharge points is an Unnamed Tributary (UT) to Beaver Creek, with a water quality classification of WS-IV, and a supplementary classification of NSW (Nutrient Sensitive Waters). �— For the proposed site layout, please refer to Sheet C200 of the attached construction plans. 9.0 NPDES PERMITS This facility does not have any other NPDES permits. 10.0 NON -DISCHARGE PERMITS This facility does not have any non -discharge permits. WSP SELLS 3 Revised NOI Narrative - RDR.doc 11.0 BEST MANAGEMENT PRACTICES This facility will employ Best Management Practices (BMPs) for stormwater control. BMPs that will be incorporated to this site are as follows.. Permanent Rock Check Dams located in stormwater conveyance ditches. A Permanent Skimmer Basin to be the final treatment structure for all stormwater (plus the weak wastewater from material wetting) leaving the site, located at the northwestern edge of the intersection quadrant. For the proposed erosion control plan, please refer to Sheet C300 of the attached construction plans. 12.0 STORMWATER POLLUTION PREVENTION PLAN This facility does not have a Stormwater Pollution Prevention Plan (SWP3) at the time of this NOI submittal. However, a SWP3 will be completed and on -site prior to plant operation. 13.0 VEHICLE MAINTENANCE Vehicle maintenance activities will not occur on the property. 14.0 WASTEWATER GENERATING ACTIVITIES Concrete trucks will be washed at 30 gallons per minute for approximately 1 to 2 minutes in a wash bay directing all runoff to a recycle system. Wetting of raw material stockpiles will occur at this facility, via sprinkler nozzles run intermittently, utilizing water from a municipal source, or via periodic sprays from a water truck. Under normal operating conditions, wetting of raw materials will not produce runoff. However, runoff is anticipated during wet weather. The stationary mixing drum at the batch plant will be cleaned once daily. Normal wash out is 3 to 4 rinses using 250 to 300 gallons of water per rinse until the drum discharges clean water. Wastewater generated from this process will be contained in ❑ water -tight front-end loader bucket. The wheel loader will then transfer the process wastewater from the mixing drum to the wash bay. The contractor will ensure that the bucket used has sufficient capacity to prevent spillage of wastewater during transport. Refer to Sheet C200 of the attached construction plans for the proposed site layout. 15.0 RECYCLE SYSTEM This facility will use a recycle system. The recycle system consists of a wash bay with weir overflow, a primary settling basin (Basin 1), a secondary holding basin (Basin 2), and a final treatment basin (Basin 3). During normal operations, the recycle system will function as a closed system with no discharge. In wet weather conditions resulting in a discharge of WSP SELLS 4 Revised N01 Narrative - RDR.doc treated process wastewater, Basin 2. has been designed to comply with NC Division of Water Quality (DWQ) effluent standards for discharge during a 10 year design event- 30 mg/1 for Total Suspend Solids (TSS) 5 mg/I for Settleable Solids (SS) 6-9 SU for pH The total cumulative volume of all basins in the recycle system is 49,027 cubic feet. The treatment system has been designed to treat process wastewater to the DWQ effluent standards under a worst -case scenario, in which all basins are 100% full prior to the introduction of stormwater runoff from a 10-yr design storm. Using data available from the National Oceanic and Atmospheric Administration's (NOAA) National Climate Data Center (NCDC), calculations predict that the recycle system has the capacity to contain the 25-year, 24-hour rainfall event before overflowing. i 0-year, 24-hour precipitation = 5.44 inches (upper bound 90% confidence interval) 25-year, 24-hour precipitation = 6.51 inches (upper bound 90% confidence interval) For detailed rainfall data, please refer to Appendix D. Over a 0.54 acre area, assuming all rainfall becomes runoff (CN=100): 10-year, 24-hour volume = 10,664 cubic feet 25-year, 24-hour volume = 12,761 cubic feet Although the recycle system has been sized to contain the 25-year, 24-hour rainfall event, it has been deemed impractical to recover the required capacity in a sufficient period of time (3 days or less). Therefore, the system has been designed to treat process wastewater to the DWQ effluent standards even if all basins are full prior to the introduction of stormwater runoff, as stated above. Over the possible life of the facility, it is possible that all basins may store their maximum volumes at some point. During a 10- year design storm, TSS and SS effluent limits have been achieved by following a conventional settling basin design, and using a grain size distribution based on a 2004 study conducted by the National Institute for Standards and Technology (NIST). The findings of this study have been included in this document as Appendix C. pH control will be achieved by the use of a skid -mounted, automatic CO2 dosing system located in Basin 3. The system will be set to maintain a pH of 7.25 in the discharge. Power will be supplied to the unit using a portable generator. The product used shall be the Fortrans, Inc. Model 5000-SK Skid Mounted pH Control System, or approved equivalent. For design data and specifications, please refer to Appendix E. Infiltration in the wastewater treatment basins will be controlled by the use of a bentonite- based pond liner product in Basin 1, with a minimal amount of concrete overlay to prevent damage during maintenance clean out activities. Basins 2 and 3 shall be lined with the some material as Basin 1 without concrete overlay, or a textured HDPE pond liner material, at the discretion of the contractor. The bentonite-based product to be use shall WSP SELLS 5 Revised NO] Narrative - RDR.doc be CETCO Lining Technologies Akwaseol® Pond liner, or approved equivalent. The HDPE product to be used shall be a GSE 40mil textured HDPE, or approved equivalent. For a detailed description of the recycle system and the treatment of process wastewater, please refer to Appendix B. For the proposed layout, please refer to Sheet C400 of the attached construction plans. 16.0 100-YEAR FLOODPLAIN No part of the RMC batch plant, including the recycle system will be located within the 100-year floodplain. For the current Flood Insurance Rate Map (FIRM), please refer to Appendix F. 17.0 HAZARDOUS WASTE This facility is not a hazardous waste treatment, storage or disposal facility. This facility is not a generator of hazardous wastes (small or large quantity). 18.0 CERTIFICATION The NOI form provided by NCDENR has been certified by a responsible party pursuant to North Carolina General Statute 143-215.6 B(i). Please refer to Appendix A. This submittal has been signed and sealed by a Professional Engineer licensed in the state of North Carolina, qualified to certify the accuracy and completeness of the statements made herein. WSP SELLS 6 Revised NOI Narrative - RDR.doc F q a �J rye✓/--�,..� AI'1�S,Sers�r �.� Stormwater Permitting Unit NCDENR — Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 September 19, 2011 RE: Addendum to Notice of Intent for NPDES General Permit NCG140000 Western Wake Expressway, Temporary RMC Batch Plant, Site B Raleigh -Durham Roadbuilders NCTA Contract No.: C201993 WSP SELLS Project No.: 1 1201 1 r �, —Ica/ 1' Art In the process of preparing this Notice of Intent (NOI) Application for co age under NC/G140000, it has come to our attention that the Division of Water Quality (DWQ) as issued a modified4t�rOl- arm After speaking with Ms. Jennifer Jones of the Stormwater Permitting Unit, we have decided to address the additional data �_.qvlr ents of the revised NOI form as an Attachment to the original document. Please find the signed plication (July 2008 ersion) in the NOI package, and the latest revision (July 2011 version) attached here: -"-'� S�nZ7�u�Lo jS f s✓Ir3�� rJ��� m/rr� r�1��2i7�L� Should you require any additional information, please don't hesitate to contact me at (919) 678-0035 or andy,howella—wspsells.com. We look forward to hearing from you soon. Sincerely, Chas. H. Sells d/b/a WSP SELLS Andrew M. Howell, PE, CFM Water Resources Engineer cc: file Mr. Kristofer A. Edelberg, Raleigh -Durham Roadbuilders SEP 3 7011 y DENR • WATER QUALr( Y WETLANDS AND STORMWATER BRANCH �' s Division of Water Quality / Surface Water Protection NCDENRNational Pollutant Discharge Elimination System Np — C�UN D[ -EM 01 EINIFCI.— AND NITVRAL RE9O Cct NCG140000 NOTICE OF INTENT FOR AGENCY USE ONLY Date Received yeat Month [)a Certificate ofCovera e 1 $ Chcck k Amount g1 IPD 11erqiit.Assipancd to tC National Pollutant Discharge Elimination System application for coverage under General Permit NCG140000: STORMWATER AND PROCESS WASTEWATER DISCHARGES associated with activities classified as: SIC (Standard Industrial Classification) Code: 3273 and like activities - Ready Mixed Concrete Treatment facilities used to treat or recycle process wastewater that discharge to surface waters require - an ATC prior to construction per 15A NCAC 2H .0138. The Authorization to Constructor Operate may be applied for, and subsequently issued at the same time as the Certificate of Coverage (COC) for the NCG14 permit. Design of treatment facilities must comply with requirements of 15A NCAC 2H .0138 & .0139. For new plant sites that will discharge process wastewater (even if commingled with stormwater): This NOI may also be an APPLICATION FOR Authorization to Construct (ATC) wastewater treatment facilities. ATC requests must be submitted at least 90 days prior to construction'. For existing plant sites discharging process wastewater (even if commingled with stormwater): This NOI may also be an APPLICATION FOR Authorization to Operate wastewater treatment facilities. Construction, modification, or installation of any new treatment components at an existing site requires an ATC. If your facility discharges wastewater to surface water, construction or operation of wastewater treatment facilities at new or existing sites requires submission of three (3) sets of plans and . specifications, signed and sealed by a Professional Engineer (P.E.) or qualified staflz along with this application. A copy of the design calculations should be included. Please see questions 10-17 for more detail! I For questions, please contact the DWQ Regional Office for your area. (See page 6) (Please print or type) '\ 1) Mailing address of owner/operator (address to which all permit correspondence will be mailed): Owner Name Raleigh -Durham Roadbuilders Street Address 1071 Classic Road City Apex StateNC ZIP Code 27539 Telephone No. 919-367-5100 Fax: 919-367-5197 'k2) Location of facility producing discharge: Facility Name Facility Contact Street Address City County Telephone No. Western Wake Freewav Temoorary RMC Batch Plant. Site 'B' Stephen Gardner 1525 South Salem Street Apex StateNC ZIP Code 27502 Wake 919-367-5100 Fax: 919-367-5197 CAs per 15A NCAC 2 .0106 '-fJnless treatment facilities are designed, constructed, and put into operation by employees internal to the company who are qualified to perform such work for their respective companies in accordance with General Statutes, 89C-25 (7), plans and specifications must be signed and sealed by a P.E. Page 1 of 7 SW U-229-07122011 NCG140000 N.O.I. ,K3) Physical location information: Please provide narrative directions to the facility (use street'names, state road numbers, and distance and direction from a roadway intersection). From downtown Apex, follow Old US Highway 1 (S. Salem St,) south out of town approx. 2 miles past NC Highway 55. Yard will be on the right. (A copy of a county map or USGS quad sheet with facility clearly located on the map is a required part of this application_) X4) Latitude 35042' 28" N Longitude 78° 52' 56" W (deg, min, sec) X_5) This NPDES Permit Application applies to the following (check all that apply): ® New or Proposed Facility ❑ Existing Facility Permit # Date operation is to begin February 1 2012 ® Application for ATC ❑ Application for ATO r— n/67" /a PRO e- F A4 As 70 rlAIJiAh( ,/ 6) Consulting Engineer's (or other qualified design staffs) application information: Consulting Engineer: Andrew M. Howell, PE Consulting Firm: Chas. H. Sells dlb/a WSP SELLS Mailing Address: 15401 Weston Parkway, Suite 100 City: Cary__ State: NC Zip Code: 27513 Phone: (919) 678-0035 Fax: (919) 678-0206 Email: ^andy.howell(a7wspsells.com (Optional) Staple Business Card Here: r A 7) Provide the 4 digit Standard Industrial Classification Code (SIC Code) that describes the primary industrial activity at this facility: SIC Code: 3 2 7 3 8) Provide a brief description of the types of industrial activities and products produced at this facility: (Attach a site diagram showing the process areas present at this facility.) Production of Ready -Mixed Concrete for Western Wake Freeway. Activities will include washing of concrete truck beds and washing of the mixing drum, plus raw material irrigation via sprinkler system. Stormwater Discharge, Wastewater Treatment & Discharge and Permitting Information 9) Discharge points I Receiving waters: Number of discharge points (ditches, pipes, channels, etc.) that convey stormwater and/or wastewater from the property: Storm water -only: Wastewater -only: Wastewater Commingled with Stormwater :2 What is the name of the body or bodies of water (creek, stream, river, lake, etc,) that the facility stormwater and/or wastewater discharges end up in? Unnamed Tributary to Beaver Creek Receiving water classification(s), if known: WS-IV, NSW If the site stormwater discharges to a separate storm sewer system, name the operator of the separate storm sewer system (e.g. City of Raleigh municipal storm sewer), NIA Will this facility discharge wastewater to SA (Shellfishing) waters? ❑ Yes I INo Note: Discharge of process wastewater to receiving waters classified as WS-11 to WS-V or $A must be approved by the Y'- 1f�EF�does not approve, coverage. under NCG140000 cannot be granted. No new discharges of process wastewater are permitted in receiving waters classifier! as WS-I or freshwater ORW. Dwl; : PW S SWU-229-07122011 O�� NCG140000 N.01 Wastewater: \ 10) What types of wastewater does your facility generate or discharge? Type of Authorized Wastewater Generate Discharge Sent to WW Treatment System Vehicle and equipment cleaning (VE) ® N Wetting of raw material stockpiles RM ® N ❑ Mixing drum cleaning (MD) ® N Further explanation, if necessary: Wetting of raw material stockpiles is considered to be a "weak wastewater" stream which will not discharge frequently. However, this discharge will still be sampled as wastewater. k 11) Will your facility spray -down or actively wet aggregate piles? ❑ No N Yes / 12) Does the facility use any of the following on site? ❑ Phosphorus -containing Detergents ❑ Brighteners ❑ Other Cleaning Agents ❑ Non -Phosphorus -containing Detergents ❑ Other: .\13) Are wastewater treatment facilities planned in the 100-year flood plain? NNo ❑ Yes If yes, include information to demonstrate protection from flooding. (Minimum design requirements for treatment works include protection from the 100-year flood, per 15A NCAC 2H .0219.) N 14) Does your facility use or plan to use a recycle system, or recycle components in your treatment system? ®Yes ❑ No If yes, what size storm event is the system designed to hold before overflowing? (for example, 10-yr, 24-hr) 25-yr year, 24-hr rainfall event 15) Will your facility build a closed -loop recycle system that meets design requirements in 15A NCAC 02T . 1000 and hold your facilities' working volume37 ❑ Yes NNo Will your facility discharge wastewater to surface waters? NYes ❑ No If the facility's treatment system meets the design requirements of 15A NCACO2T .1000 (including holding the 25-year, 24-hour storm plus one foot of freeboard), holds the working volume of your site, and does not discharge wastewater to surface waters, you may not be required to obtain an NPDES permit for wastewater discharges. It you believe this is the case, please contact DWQ's Aquifer Protection Section Land Application Unit Central Office Supervisor or staff (1636 Mail Service Center, Raleigh, NC 27699-1636) for more information on obtaining the necessary permits or approvals. If you will discharge wastewater or stormwater to surface waters, please continue to apply for a permit to discharge associated with ready -mixed concrete or like operations under NCG140000. For further questions, please contact DWQ's Stormwater Permitting Unft Staff. Also see questions 16 and 17. 3 See DWQ's Aquifer Protection Section Land Application Unit's Water Balance Calculation Policy for more information, on DWQ LAU's website http:gportal.ncdenr.orgtweblwolapsllaulpolicies for more information. Page 3 of 7 SWU-229-07122011 NCG140000 N.O.I. i 16) A wastewater treatment alternatives review is required by 15A NCAC 2H.0105 (c)(2) for any new or expanding water pollution control facility's discharge in North Carolina. You may attach additional sheets. a) What wastewaters were considered for this alternatives review? ®VE ®RM ®MD b) Connection to a Municipal or Regional Sewer Collection System: i) Are there existing sewer lines within a one -mile radius? ..................................... ®Yes ❑ No (1) If Yes, will the wastewater treatment plant (WWTP) accept the wastewater? .... ❑ Yes ❑ No (a) If No, please attach a letter documenting that the WWTP will not accept the wastewater. ` (b) If Yes, is it feasible to connect to the WWTP? Why or why not?' c) Closed -loop Recycle System (must meet design requirements of 15A NCAC 2T .1000): Are you already proposing a closed -loop recycle system (CLRS)? See question 15... 0 Yes 0No (1) If Yes, contact DWQ's Aquifer Protection Section's Land Application Unit (see question 15) (2) If No, is this option technologically feasible (possible)? Why or why not?`Yes —A CLRS would require a completely_ contained wastewater treatment holding tank which would prevent the inclusion of stormwater and groundwater into the system, (3) If No, is it feasible td site? Why or why not?' It is not practically feasible to (4) What is the feasibility of building a CLRS compared to direct surface water discharge?" It is more feasible to construct a surface water discharge system designed to conform to applicable effluent standards at this site than to construct a CLRS, d) Surface or Subsurface Disposal System (e.g., spray irrigation): i) Is a surface or subsurface disposal technologically feasible (possible)? ....................0 Yes ❑ No Why or Why not? A spray irrigation system is technologically tally feasible. Due to potentially high water tables, a subsurface disposal system is not. _ ii) Is a surface or subsurface disposal system feasible to implement?*...........................0 Yes ®No Why or Why not? No. given the ongoing roadway construction activities at this site and on the adjacent roadway proiect site, it is not feasible to implement or maintain such a System. iii) What is the feasibility of employing a subsurface or surface discharge as compared to a direct discharge to surface waters?" It is more feasible to construct a surface water discharge system designed to conform to applicable effluent standards at this site than to construct a surface irrigation or subsurface infiltration system. e) Direct Discharge to Surface Waters: Is discharge to surface waters the most environmentally sound alternative of all reasonably cost-effective options of the wastewaters being considered?`... 0 Yes 0 No i) If No, contact DWQ's Land Application Unit to determine permitting requirements (See Question 14). f) If this review included all wastewater discharge types, would excluding some types (e.g. raw stockpile wetting) make any of the above non -discharge options feasible?..............0 Yes 2: No You may be asked to provide further information to support your answers to these questions after the initial review. Feasibility should take into account initial and recurring costs. M Page 4of7 SWU-229-07122011 NCG140000 N.O.L 7) Does your plant discharge process wastewater to surface waters? L2sI Yes u No ' When applying for this permit, you may also concurrently apply for an Authorization to Construct (ATC) (for new treatment facilities) or Authorization to Operate (ATO) (for existing treatment facilities), or you may apply at a later date. However, an ATC from DWQ's Stormwater Permitting Unit is required to be obtained prior to construction of wastewater treatment facilities that discharge to surface waters. ATCIATO application information is as follows: • For new sites, you must submit three (3) sets of design plans and specifications with this application (signed, sealed and stamped by a Professional Engineer (P.E.) or qualified staffs) and provide supporting calculations that predict compliance of final discharge with permit limits. A copy of the design calculations should be included. • For existing sites, applicants must submit three (3) sets of plans, specs for facilities as-builts (signed, sealed and stamped by a Professional Engineer (P.E,) or qualified stafe). Provide as many design details as possible. A copy of the design calculations should be included. Applications for ATC or ATOs shall include (Attach separate sheet(s)): • A detailed diagram of treatment systems in place, including design specifics such as: o tank volumes o dimensions c retention time o surface are o working volume o piping o settling basin details o any other pertinent design information. • Water balance equations for treatment systems and holding ponds (inputs, outputs, rates). • Rainwater use in mix (rate and volumes), if applicable. • Calculations to demonstrate compliance with permit effluent limits (pH — 6-9 SU, Total Suspended Solids (TSS) — 30 mg17, and Settleable Solids (SS) — 5 m117). Stormwater: a 18) Does this facility employ any best management practices for Stormwater control? ❑ No ®Yes If yes, please briefly describe: Rock check dams throughout , and skimmer basin located at the northwestern corner of the site. Please refer to Narrative Section 11. � 19) Does this facility have a Stormwater Pollution Prevention Plan? ®No ❑ Yes If yes, when was it implemented? Not at the time of this NO[. An SWP3 will be in Place prior to plant operation. -1�20) Are vehicle maintenance activities (VMA) occurring or planned at this facility? ®No ❑Yes If yes, does your VMA area discharge into your wastewater treatment device? ❑ No ❑ Yes ® NIA Other/Permittincr: 4 Unless treatment facilities are designed, constructed, and put into operation by employees internal to the company who are qualified to perform such work for their respective companies in accordance with General Statutes, 89C-25 (7), plans and specifications must be signed and sealed by a P.E. S Unless treatment facilities are designed, constructed, and put into operation by employees internal to the company who are qualified to perform such work for their respective companies in accordance with General Statutes, 89C-25 (7), plans and specifications must be signed and sealed by a P.E. Page 5 of 7 SWU-229-07122011 NCG140000 N.O.I. k 21) Does this facility have any other NPDES permits? ®No ❑ Yes If yes, list the permit numbers for all current NPDES permits for this facility: NIA A 22) Does this facility have any Non -Discharge permits (ex: recycle permits)? ®No ❑ Yes If yes, list the permit numbers for all current Non -Discharge permits for this facility: NIA ! 23) Does this facility have a Division of Land Resources Erosion & Sedimentation Control (E&SC) Permit? ®No ❑ Yes If yes, list the permit numbers for all current E&SC permits for this facility: NCDOT approved E&SC plan. 24) Hazardous Waste: a) Is this facility a Hazardous Waste Treatment, Storage, or Disposal Facility? ®No ❑ Yes b) Is this facility a Small Quantity Generator (less than 1000 kg. of hazardous waste generated per month) of hazardous waste? ® No ❑ Yes c) Is this facility a Large Quantity Generator (1000 kg. or more of hazardous waste generated per month) of hazardous waste? ®No ❑ Yes d) Type(s) of waste: How is material stored: NIA Where is material stored: N/A How many disposal shipments per year: N/A Name of transport 1 disposal vendor: NIA Vendor address: NIA Final Checklist This application will be returned as incomplete unless all of the following items have been included: S Check for $100 made payable to NCDENR. - ® This completed application and all supporting documentation (including design details, water balance equations, and calculations for treatment systems) — see Question 17. ' I ® If an Erosion & Sedimentation Control (E&SC) Plan is required from Division of Land Resources (DLR) or local designee: documentation verifying applicant has developed and submitted that Plan to the governing agency (required per 15A NCAC 02H .0138). For new sites (or sites that will install new treatment facilities): Three (3) copies of plans and specifications for wastewater treatment facilities (including recycle system components), signed and. sealed by a Professional Engineer or qualified staff meeting requirements of G.S. 89C-25 (7) — see Question 17. For existing sites: three (3) copies of plans and specifications for wastewater treatment facilities W(including recycle system components) as built, stamped and sealed by a Professional Engineer, or (only if X plans not available) a detailed diagram of treatment systems in place that includes information such as tank volumes, dimensions, retention time, piping, settling basin details, etc. — see Question 17. ® A site map showing, at a minimum, (existing or proposed): (a) outline of drainage areas, (b) stormwaterlwastewater treatment structures, (c) location of stormwaterfwastewater outfalls (corresponding to which drainage areas), (d) runoff conveyance structures, ; ✓ (e) areas where materials are stored, (f) impervious areas, and (g) site property lines. ® A county map or USGS quad sheet with location of facility clearly marked, Page 6 of 7 SWU-229-07122011 NCG140000 N.4.1. -'25) Certification: North Carolina General Statute 143-215.6 B(i) provides that: Any person who knowingly makes any false statement, representation, or certification in any application, record, report, plan, or other document filed or required to be maintained under this Article or a rule implementing this Article; or who knowingly makes a false statement of a material fact in a ruiemaking proceeding or contested case under this Article; or who falsifies, tampers with, or knowingly renders inaccurate any recording or monitoring device or method required to be operated or maintained under this Article or rules of the [Environmental Management] Commission implementing this Article shall be guilty of a Class 2 misdemeanor which may include a fine not to exceed ten thousand dollars ($10,000), hereby request coverage under the referenced General Permit. I understand that coverage under this permit will constitute the permit requirements for the discharge(s) and is enforceable in the same manner as an individual permit. I certify that I am familiar with the information contained in this application and that to the best of my _.- knowledge and belief such information is true, complete, and accurate. Printed Name of Person Signing: Title: Proiect Executive Applicant Signed Previous NOi Version —Included in Re ort See Appendix A (Si nature i�f�LrCB (Date Signed) Notice of Intent must be accompanied by a check or money order for $100.00 made payable to: NCDENR Mail the entire package to: Stormwater Permitting Unit Division of Water Quality 1617 Mail Service Center Raleigh, North Carolina 27699-1617 Note The submission of this document does not guarantee the issuance of an NPDES permit. For questions, please contact the DWQ Regional Office for your area. DWQ Regional Office Contact Information: Asheville Office ...... (828) 296-4500 Fayetteville Office ... (910) 433-3300 Mooresville Office ... (704) 663-1699 Raleigh Office ......., (919) 791-4200 Washington Office ...(252) 946-6481 Wilmington Office ... (910) 796-7215 Winston-Salem ... , . . (336) 771-5000 Central Office ......... (919) 807-6300 Page 7 of 7 SWU-229-07122011 Pickle, Ken From: Howell, Andrew [a ndy. howell@wspsel Is. com I Sent: Tuesday, October 11, 2011 8:54 AM To: Pickle, Ken Cc: Bennett; Bradley; Jones, Jennifer; Georgoulias, Bethany Subject: RE: Western Wake Freeway Ken, Thank you for your comments. I would like to discuss this with Falcon in order to formulate a well thought out response. Overall, very good suggestions. I do agree that the less we can leave to contractor interpretation the better. I will be in contact soon. Thanks again, Andrew M. Howell, PE, CFM Water Resources Engineer WSP SELLS 15401 Weston Parkway, Suite 100 Cary, NC 27513 919-678-0035 — phone 919-678-0206 — fax From: Pickle, Ken fmailto:ken_.Pickle@ncdenr.govl Sent: Monday, October 10, 2011 7:00 PM To: Howell, Andrew Cc: Bennett, Bradley, Jones, Jennifer; Georgoulias, Bethany Subject: Western Wake Freeway Hi Andy, I've got some questions on the submittal on this project. Please give me a call to discuss. My number is 807-6376. I'm ok with the talcs. As per the last few you all have submitted, they're very conservative: to the extent that I'm not chasing details on the math, the design concept, the selected values, or the necessary approximations inherent in the engineering approach. I would like to discuss drawing C400, since I'm not understanding it on the following points. I'm not sure that we are capturing all the aggregate irrigation water. As I read the finished grade topo, it looks like the western -most portion of the aggregate area might slip off to the west and bypass the sediment basin to the west. What I see is an existing ravine and a graded slope that seem to fall off to the west of the aggregate storage area— leaving me to conclude that some portion of the flow from this area will not be through the existing sediment pond. Your concept is to route that water through the sediment pond, right? Can we amend the drawing to insure that it provides the features necessary to convey all of the aggregate flow to the sediment basin? Similarly, with the washdown of the silos and plant area. I see that you have looped the 372' contour to capture flow from this area and send it to the sediment basin. But, it would seem more certain to me if we avoided the possibility of the grading contractor missing that/deciding that it would be cheaper just to grade it all flat/thinking he could just dig a 10' square hole around the mouth of the slope drain/etc, and if we provided labeling or centerline or more developed contour work that more clearly emphasizes that an important element of this job is a drainage feature to be installed north of the plant area and leading to the existing sediment basin. This drainage feature must capture the plant area, and most of the rest of the site , and it must effectively exclude the flows from the truck wash off pad. I do see a series of 1/8" rectangles spaced along the north and west edge of the stone pavement, but I didn't find a label on C400 that tells me what that symbolizes. is it intended to indicate a line of concrete barriers as a surface water diversion? If so, can we label it on C400? If it is supposed to be those portable highway concrete barriers, then we need some spec or note calling for them to be installed so as to be an effective barrier to overland flow. The contractor can't set them 5' apart, as per one possible interpretation of the little rectangle symbology. I note that C200 of the same drawing set mis-labels (I think) the chain -link fence as the concrete barrier— that shouldn't be a confuser, but who knows on a construction site. Let's make sure the contractor knows what to build as completely as possible on C400. Could we identify and label the outfall sampling locations on C400 so that we can see where your client will be taking his samples? need to be clear on the northern downslope basin labeled, "Proposed stormwater management by others" at the very north end of the project. What is being contemplated here? Does that figure into your engineering approach during the operation of the batch plant? Andy, this is a very good submittal package, but I just want to be overly cautious on this high -profile project. Thanks, Ken Ken Pickle Environmental Engineer NCDENR I DWQ I Stormwater Permitting Unit 1617 Mail Service Center, Raleigh, NC 27699-1617 512 N. Salisbury St, Raleigh, NC 27604 Phone: (919) 807-6376 Fax: (919) 807-6494 Email: ken. oickleancdenr.gov Website: httu:(Jportal.ncdenr.org/webl+!+►q/ws/su ** Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties unless the content is exempt by statute or other regulations.** ■E WS� SELLS / NORTH C A CONNEC7ICUT ICUT 15401 Weston Parkway Suite 104 MASSACHUSETTS Cary, INC 27513 Transportation & Infrastructure NEW HAMPSHIRE NEW JERSEY Tel: 919.678.0035 Fax: 9 19.678.0206 NEW YORK PENNSYLVANIA www.wspsells.com SOUTH CAROLINA VIRGINIA Ken Pickle Environmental Engineer Stormwater Permitting Unit NCDENR — Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 October 24, 2011 RE: Response to Comments provided via email, dated 10/10/11 Notice of Intent for NPDES General Permit NCG140000 Western Wake Expressway, Temporary RMC Batch Plant, Site B Raleigh -Durham Roadbuilders NCTA Contract No.: C201993 WSP SELLS Project No.: 112011 Mr. Pickle, Please see below our response to comments provided on October 10, 2011. Revised plans are attached. Comment #1: I'm not sure that we are capturing all the aggregate irrigation water. As I read the finished grade topo, it looks like the western -most portion of the aggregate area might slip off to the west and bypass the sediment basin to the west. What I see is an existing ravine and a graded slope that seem to fall off to the west of the aggregate storage area — leaving me to conclude that some portion of the flow from this area will not be through the existing sediment pond. Your concept is to route that water through the sediment pond, right? Can we amend the drawing to insure that it provides the features necessary to convey al! of the aggregate flow to the sediment basin? Response #1: Based on actual field conditions, the "ravine" actually does flow into the sediment basin. The ditching shown on the plans is the future, proposed condition based on the NCDOT plans. A diversion berm has also been added to the west and northwest portions of the site to ensure that all run-off from the aggregate irrigation is directed to the slope drain, and therefore the sediment basin. Comment #2: Similarly, with the washdown of the silos and plant area. I see that you have looped the 372' contour to capture flow from this area and send it to the sediment basin. But, it would seem more certain to me if we avoided the possibility of the grading contractor missing that/deciding that it would be cheaper just to grade it all flat/thinking he could just dig a 10' square hole around the mouth of the slope drain/etc, and if we provided labeling or centerline or more developed contour work that more clearly emphasizes that an important element of this job is a drainage feature to be installed north of the plant area and leading to the existing sediment basin, This drainage feature must capture the plant area, and most of the rest of the site , and it must effectively exclude the flows from the truck wash off pad. w 2/2 Response #2: The contouring currently on the plans accurately represents the grading required to divert all site flow, except for the truck washing area, to the proposed slope drain. Notes have been added to both Sheets C300 and C400 to reinforce this concept. Comment #3: 1 do see a series of 1/8" rectangles spaced along the north and west edge of the stone pavement, but I didn't find a label on C400 that tells me what that symbolizes. Is it intended to indicate a line of concrete barriers as a surface water diversion? If so, can we label it on C400? if it is supposed to be those portable highway concrete barriers, then we need some spec or note calling for them to be installed so as to be an effective barrier to overland flow. The contractor can't set them 5' apart, as per one possible interpretation of the little rectangle symbology. I note that C200 of the same drawing set mis-labels (I think) the chain -link fence as the concrete barrier — that shouldn't be a confuser, but who knows on a construction site. Let's make sure the contractor knows what to build as completely as possible on C400. Response #3: These concrete barriers are proposed as a protection for trucks operating adjacent to a large slope. The barriers are NOT intended to be a flow diverter. The barriers have been removed on the northwest portion of the site due to the location of the fence and the addition of a diversion berm. All labeling on the plans has been updated to properly identify the barriers and the fence. Comment #4: Could we identify and label the outfall sampling locations on C400 so that we can see where your client will be taking his samples? v Response #4: The discharge sampling location has been labeled on the plans as requested. Comment #5: 1 need to be clear on the northern downslope basin labeled, "Proposed stormwater management by others" at the very north end of the project. What is being contemplated here? Does that figure into your engineering approach during the operation of the batch plant? Response #5: This is area is a proposed BMP for the roadway. It currently functions as a storage area. All site work and design related to the NPDES permit has been limited to the proposed limits of disturbance, as shown on Sheet C300. The stormwater management area only factors into our design in so much as we have made sure to avoid the inundated area in our grading efforts. Should you require any additional information, please don't hesitate to contact me at (919) 678-0035 or andy.howell@wspsells.com. We look forward to hearing from you soon. Sincerely, Chas. H. Sells d/b/a WSP SELLS Andrew M. Howell, PE, CFM Water Resources Engineer cc: file Mr. Kristofer A. Edelberg, Raleigh -Durham Roadbuilders 0 NCDENR North Carolina Department of Environment and Natural Resources Division of Water Quality Beverly Eaves Perdue Coleen H. Sullins Dee Freeman Governor Director Secretary November 15, 2011 Memorandum To: Regional Water Supply Supervisor, DWR Public Water Supply Section From: Ken Pickle, DWQ Stormwater Permitting Unit Subject: Review of the discharge location for the following: Western Wake Freeway Temporary RMC Batch Plant, Site B 1525 South Salem Street Apex, NC 27502 Wake County NCG140415 Reported receiving water: UT to Beaver Creek, Cape Fear Basin: WS-IV NSW. Please indicate your agency's position on the facility listed above. Attached is the staff report or other application information for this facility. We cannot issue the permit without your concurrence. Please return this form at your earliest convenience. RESPONSE: This agency has reviewed the draft permit and determined that the proposed discharge will not be sufficiently close to any existing or known proposed public water supply intake so as to create an adverse effect on water quality. We concur with the issuance of this permit, provided the facility is operated and maintained properly, the stated effluent limits are met prior to discharge, and the discharge does not contravene the designated water quality standards. Concurs with issuance of the above permit, provided the following conditions are met: Opposes the issuance of the above permit, based on reasons stated below (or attached): M 7' SignedLgate:NA I cc: Stormwater Permitting Unit Files Attachments 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Location: 512 N. Salisbury St. Raleigh, North Carolina 27604 Phone: 91H07-63001 FAX: 919-807-64921 Customer Service: 1-877-623-6748 Internet: www.ncwaterqualit .org One NorthCarolina Naturally An 6nual OnmrhiniW 4 Aff"shvp Arfinn Fmnlnvpr o�o� w A r o � MEMO November 15, 2011 To: Michael Douglas, DWR RRO From: Ken Pickle, DWQ Stormwater Permitting Unit Hand delivered to RRO 11/15/2011 Subject: Request for PWSS approval of proposed DWQ permit authorizing a wastewater discharge to a WS-IV NSW in Wake County Hi Michael, Please see attached form for your response. I have a temporary ready -mixed concrete portable batch plant seeking DWQ's stormwater/wastewater discharge permit. The facility will be operated in support of the construction activity for the Western Wake Freeway project. As you know, we're required to go through your section for concurrence with the issuance of our permit. Relevant items: 1. WS-IV NSW UT to Beaver Creek, Cape Fear River Basin. Map included showing location in Apex, NC. 2. Treatment facility designed to operate as a recycle system with no discharge normally, and to comply with our permit limits for a discharge in response to the 10-yr rainfall. 3. Our permit has limits on pH, Total Suspended Solids, and Settleable Solids. 4. I've attached: • The sign -off form for you to return to me; • A copy of the DWQ permit that will regulate the discharges from the site; • The permittee's application, with my yellow tabs showing items I think might be relevant to your review. Thanks, Ken ,9W /, C004" �7 ery eatj10 JeU01288 gM[08 HN30 ON i.�az G Aar! One Iva hCarolina Aaturall North Carolina Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 Phone (919) 733-7058 Cn A0111Lr Service IntcrneC www.ncwateruuality.org Location: 512 N. SalisburyS1. Raleigh, NC 27604 Fax 019) 733-9612 1-877-623-6748 An Equal Opportunity/Affirmative Action Employer — 50% Recycicd110% Post Consumer Paper r� NCDENR North Carolina Department of Environment and Natural Resources Beverly Eaves Perdue Governor TO: Ken Pickle Stromwater Permitting Unit Division of Water Quality Division of Water Resources Thomas A. Reeder Director MEMORANDUM FROM: Michael L. Douglas, P.E., Regional Engineer Public Water Supply Section SUBJECT: Draft National Pollutant Discharge Elimination System Permit NCG140415 Western Wake Freeway Temporary RMC Batch Plant, Site B 1525 South Salem Street Apex, North Carolina 27502 Wake County DATE: November 17, 2011 Dee Freeman Secretary R[91@19079 P NOV 2 2 2011 DENR - WATER QUALITY WEMMOSANDSTORMWATEROI CK Reference is made to the above -mentioned Draft National Pollutant Discharge Elimination System Permit. Upon review of this permit application, it appears that no adverse effect on water quality will occur to the existing public water supply intakes. We concur with the issuance of this permit provided this facility is operated and maintained properly; the stated effluent limits are met, prior to discharge into an unnamed tributary to the Beaver Creek in the Cape Fear River Basin; and the discharge does not contravene the designated water quality standards. 1f we can be of further assistance, please contact Michael L. Douglas, P.E., at 919-791-4200. cc: Rebecca Sadosky, Public Water Supply Section, Central Office Public Water Supply Section — Jessica G. Miles, Chief One Raleigh Regional Office NOrthCuolina 3800 Barrett Drive, 1628 Mail Service Center, Raleigh, North Carolina 27699-1628 �'Ja�u���/I , Phone: 919.791-42001 FAX: 919-788-53491 Internet: ncdrinkingwater.state.nvc.us � `(✓� An Equal Opportunity 1 Affirmative Action Employer 1 1. Pickle, Ken From: Pickle, Ken Sent: Wednesday, November 23, 2011 8:36 AM To: 'Howell, Andrew Subject: Western Wake concrete batch plant Hi Andy, I just picked the Public Water Supply Section approval memo out of my mailbox this morning. Apparently it came in yesterday after I left a little bit early. My review is complete, the remaining internal administrative tasks should be complete by Tuesday, next week. Ken Ken Pickle Environmental Engineer NCDENR I DWQ I Stormwater Permitting Unit 1617 Mail Service Center, Raleigh, NC 27699-1617 512 N. Salisbury St, Raleigh, NC 27604 Phone: (919) 807-6376 Fax: (919) 807-6494 Email: ken.pickle@ncdenr.gov Website: httg:/Zportal.ncdenr.ora/web/wa/ws/su ** Email correspondence to and from this address is subject to the North Carolina Public Records Law and may be disclosed to third parties unless the content is exempt by statute or other regulations.** NOTICE OF INTENT NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM APPLICATION FOR COVERAGE UNDER GENERAL PERMIT NCG140000 WAKE COUNTY WESTERN WAKE FREEWAY TEMPORARY READY -MIXED CONCRETE FACILITY — SITE B WAKE COUNTY, NORTH CAROLINA For: Raleigh -Durham Roadbuilders 1071 Classic Road Apex, NC 27539 September 19, 2011 C AR 0�/i,91 ,a SEAL. Prepared By: Chas. H. Sells d/b/a WSP SELLS 15401 Weston Parkway, Suite 100 Cary, NC 27513 919-678-0035 License Number F-0891 QP. 9i0e9 0 NOV 2 2 2011 DENR -WATER CIUAUTY WETLANDS AND STQRMWATER BRANCH A- FqCDENR North Carolina Department of Environment and Division of Water Quality Beverly Eaves Perdue Coleen H. Sullins Governor Director December 1, 2011 Mr. Michael Manning, Project Executive Raleigh -Durham Roadbuilders 1071 Classic Road Apex, NC 27539 Dear Mr. Manning: Natural Resources Subject: General Permit No. NCG140000 Western Wake Freeway RMC Plant COC No. NCG140415 Wake County Dee Freeman Secretary In accordance with your application for a discharge permit received first on September 23, 2011, and subsequently received in completed form October 24, 2011, we are forwarding herewith the subject certificate of coverage (COC) to discharge under the subject state — NPDES general permit. This permit is issued pursuant to the requirements of North Carolina General Statute 143-215.1 and the Memorandum of Agreement between North Carolina and the US Environmental Protection Agency dated October 15, 2007 (or as subsequently amended). Please note that our General Permit NCG140000 contains effluent limitations for process wastewater discharges (see Part IV, Section D of the permit text). Wastewater discharges must meet the requirements of these effluent limitations. An exceedence of any of these limitations is a violation of permit conditions. Please note that groundwater standards in 15A NCAC 02L and 02T regulations must also be met for recycle systems or any discharges to groundwater. This certificate of coverage is not transferable except after notice to the Division of Water Quality and upon our specific action. The Division of Water Quality may require modification or revocation and reissuance of the certificate of coverage. This permit does not affect the legal requirements to obtain other permits which may be required by the Division of Water Quality or permits required by the Division of Land Resources, Coastal Area Management Act or any other federal or local governmental permit that may be required. Please note that the Authorization to Construct permit requirements in Part II, Section A, numbers 1-5, and Part II, Section B, number 1 are no longer valid per the July 1, 2011, NC Session Law 2011-394. However, note that Part II, Section A, number 6, and Part II, Section B, numbers 2-10 are unaffected by this Session Law. Those sections remain in effect for the duration of this permit term. Please be reminded that your facility must notify the DWQ Raleigh Regional Office at least 72 hours in advance of the first time operation of your wastewater treatment facility. Wetiancls and 5tormwater Branch One 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 NorxhCarolina Location: 512 -8 N Salisbury St. Raleigh, North Carolina r Seri Amorally Phone: 919-807-63001 FAX: 919-807-64941 Customer Service: 1-877-623-674$ Internet: www.ncwaterquality.org An Equal Opportunity 1 Affirmative Action Employer Mr, Michael Manning Ralelgh-Durham Roadbuilders „ NCG 140415 December 1, 2011 If you have any questions concerning this permit, please contact Ken Pickle at telephone number (919) 807-6376. Sincerely, ORIGINAL SIGNED M KEN PICKLE for Coleen H. Sullins cc; DWQ Raleigh Regional Office DWQ Central Files DWQ Stormwater Permitting Unit Files Jon Risgaard, DWQ, Aquifer Protection Section, Land Application Unit Wake County Andy Howell, WSP Sells, 15401 Weston Parkway, Cary, NC 27513 Enclosures for addressee only: COC, NCG24, Technical Bulletin, and DMRs ti STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY GENERAL PERMIT No. NCG140000 CERTIFICATE OF COVERAGE No. NCG140415 STORMWATER AND PROCESS WASTEWATER DISCHARGES NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM In compliance with the provision of North Carolina General Statute 143-215.1, other lawful standards and regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the Federal Water Pollution Control Act, as amended, Raleigh -Durham Roadbuilders is hereby authorized to discharge stormwater and process wastewater from a facility located at Western Wake Freeway Temporary RMC Batch Plant 1525 South Salem Street Apex, North Carolina Wake County to receiving waters designated as an unnamed tributary to Beaver Creek, a class WS-1 V, NSW water in the Cape Fear River Basin, in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts 1, 11, III, IV, V, VI, V11, and V111 of General Permit No. NCG140000 as attached. This certificate of coverage shall become effective December 1, 2011. This Certificate of Coverage shall remain in effect for the duration of the General I'cnnit. Signed this day December I, 2011. ORIGINAL SIGNED 61 KEN PICKLE for Coleen H. Sullins, Director Division of Water Quality By the Authority of the Environmental Management Commission f ■ .!'�--��y----�.j ~ �� ..,r•� i ` �" f , n �Y I �*'✓l ,� f _ �. r �J - `+.+� i r j f •�J y qk� kJ r � .l �f+`r ■1. I,i •�--•�`.% I4 � j — t`,. �'� . � I `� ■ � _! � r r f � {ram' t r � T �~`�"�+� • �� �`'! \' I� � Lr,k ~'��.~ � iSt` I f—`�` I �1f' If �`,` � lf,� • �� !rr �.. 3y1�)Western Wake Freeway '� , _`� r �• �� , , V I �� �' ,! �1 Temporary RMC Batch Plant �.�+. - 1�`y' Site "B" � z�+� ,,�_ . 1 ` - f. �,�`.•,, ,�- :, 1 � `'.`.��,��1 I I' � �~ � � f"" � ,..� I "~}��f '��� � ' f1 ! } � S �ti , r~ �"��f' 1 �� '� ■- 'S +r �{ '`�1'� � F t f �I J' �rti.� � +�. /► • �� �,,,' � `� 1 �/�ij , �`� �t4�L �'i �,,t1 � � +P�f'. `.. y �t� f ti � � rr ; �/�` {'_ f `' 1 ■h r� � w� ���J �-. ify� �. �_�tv� '�t��%!�� � Jr!~ �F c . x.V'f . ►' t I rr ,r�1 ["cam ; �� ��� r S �1' i .jt ',� � � , ■ y v lv ,f , -' ; , ,r ,f ''- -- -1 r Doti'.,, f I`�R -rfi % [ h� i� /fr!` � `• I .�'r ��■ ram' "-+i� �y�l l� t � ` r � r r� .� `r _ � o rr. r- : � + I 1�-� -1� rJ ,� � `•1 • l � �■r,r4 ,�`����" �■M1 •� �-.•.. 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X.C. � �EIRM: x.G a� 9 n O dAo n> n> m m m _ „I_„..�f�.�<. 64 ,�l R n m a0 °Z c A �= ".:,.�:� P r G -, _ RDR CONCRETE PLANT WESTERN WAKE FREEWAY S21 TR,oI1YR°"° RALEIGH, NC 27[A7 LC�N �19.37,.�� ENc�NEER�NG g 't m eT �" ❑� p>o z >n° m W a G= - a �j n °° 10=a� m� a,+�..�:�:..,.., �'" ,'i' '� ^} .`n'` -1,•n r 1210 TRINITY ROAD RDR CONCRETE PLANT'B-10TRIo LC®N RALEIGH. NC 27607 WESTERN WAKE FREEWAY T919.871.0606 ENGINEERING 9 �i 'S P . o G7 oAa myo z >>� `< w g $ 00 o= cA m= „ya,.,:�:�,. f� ` qq _ -f `.P "? ! 1210TRINITY ROAD RDR CONCRETE PLANT B suI1EHo RALEIGH,NG27fi07 LC�N WE WAKE FREEWAY T9,9.a71. ENG�NEER�NG Mr. Michael Manning. Project Executive Raleigh -Durham Roadbuilders NCG140415 December 1, 2011 F,ng'nerr'a (rrtinentinn Coc Ago, MGGi 1¢041S 1, L_AFJaoJ Loft`-�+ , as a duly registered Professional Engineer in the State of North Carolina, having been authorized to observe (periodically, weekly, full time) the construction of the project, W"Tta-pj W^iLk +'► A -I T Arpr _, Nic, for the Project Name Localio7r Permittee hereby state that, to the best of my abilities, due care and diligence was used in the observation of the following installations: Construction of a process wastewater recycle system at the WC.i �,..i ,� SrCar _T_L %Pik%*AI. t GL i•lC i%-�L ; �j .}-TZ.IF -r\..*,N 7 ♦;PL ASL .7f-E I certify that the construction of the above referenced project was observed to be built within substantial cornpliance and intent of the approved plans and specifications. Signature r Registration No. 03 ztr7 ¢ Date ZOI Z , O Z • Z a; ; a. ��i N M• La ��, \ Mail this Certification to: Stormwater Permitting Unit NC Division of Water Quality 161 1 Mail Service Center Raleigh, NC 27699-1617 �1M [T�KTlF1(.ri'i1or3 lb Foy- �P1. ��kS.. o •PL.hry 5ET DA-IT o 75�+rn Aft,`L 20tZOkZ AV_WCil+rni �i�Gl{ -n� C,kSu�tr.i<- Pv.,jr %pit �Ltr,..»f TfL t t_ RtF Tb L.Zc:rr yi two rv\ W s f SiuS MIAR 9 2012 DENR - WA TFR Qt1Atr ry LI 4 a i � NCDENR North Carolina Department of Environment and Division of Water Qualify Beverly Eaves Perdue Coleen H. Sullins Governor Director December 1, 2011 Mr. Michael Manning, Project Executive Raleigh -Durham Roadbuilders 1071 Classic Road Apex, NC 27539 Dear Mr, Manning: Natural Resources Subject: General Permit No. NCG140000 Western Wake Freeway RMC Plant COC No. NCG140415 Wake County Dee Freeman Secretary In accordance with your application for a discharge permit received first on September 23, 2011, and subsequently received in completed form October 24, 2011, we are forwarding herewith the subject certificate of coverage (COC) to discharge under the subject state - NPDES general permit. This permit is issued pursuant to the requirements of North Carolina General Statute 143-215.1 and the Memorandum of Agreement between North Carolina and the US Environmental Protection Agency dated October 15, 2007 (or as subsequently amended). Please note that our General Permit NCG140000 contains effluent limitations for process wastewater discharges (see Part IV, Section D of the permit text). Wastewater discharges must meet the requirements of these effluent limitations. An exceedence of any of these limitations is a violation of permit conditions. Please note that groundwater standards in 15A NCAC 02L and 02T regulations must also be met for recycle systems or any discharges to groundwater. This certificate of coverage is not transferable except after notice to the Division of Water Quality and upon our specific action. The Division of Water Quality may require modification or revocation and reissuance of the certificate of coverage. This permit does not affect the legal requirements to obtain other permits which may be required by the Division of Water Quality or permits required by the Division of Land Resources, Coastal Area Management Act or any other federal or local governmental permit that may be required. Please note that the Authorization to Construct permit requirements in Part II, Section A, numbers 1-5, and Part II, Section B, number 1 are no longer valid per the July 1, 2011, NC Session Law 2011-394. However, note that Part II, Section A, number 6, and Part II, Section B, numbers 2-10 are unaffected by this Session Law. Those sections remain in effect for the duration of this permit term. Please be reminded that your facility must notify the DWQ Raleigh Regional Office at least 72 hours in advance of the first time operation of your wastewater treatment facility, Wetlands and Stormwaler Branch One 1617 Mail Service Center. Raleigh, North Carolina 27699-1617 NorthCarolina Location 512 N Salisbury SS Raleigh. Nprth Carolina 27604 ��������� Phone 919a7-63001 FAX 9IM07.64941 Customer Service 1-877-623-6748 Internet www.ncwaterquahty.org An Equal Qppoqunity"Af rmalive Achorn Employer Mr. Michael Manning Raleigh -Durham Roadbuilders NCG 140415 December 1, 2011 If you have any questions concerning this permit, please contact Ken Pickle at telephone number (919) 807-6376. Sincerely, OWAK SIGNED M KM PICKLE for Coleen H. Sullins cc: DWQ Raleigh Regional Office DWQ Central Files DWQ Stormwater Permitting Unit Files Jon Risgaard, DWQ, Aquifer Protection Section, Land Application Unit Wake County Andy Howell, WSP Sells, 15401 Weston Parkway, Cary, NC 27513 Enclosures for addressee only: COC, NCG24, Technical Bulletin, and DMRs STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY GENERAL PERMIT No. NCG140000 CERTIFICATE OF COVERAGE No. NCG140415 STORMWATER AND PROCESS WASTEWATER DISCHARGES NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM In compliance with the provision of North Carolina General Statute 143-215.1, other lawful standards and regulations promulgated and adopted by the North Carolina Environmental Management Commission, and the Federal Water Pollution Control Act, as amended, Raleigh -Durham Roadbuilders is hereby authorized to discharge stormwater and process wastewater from a facility located at Western Wake Freeway Temporary RMC Batch Plant 1525 South Salem Street Apex, North Carolina Wake County to receiving waters designated as an unnamed tributary to Beaver Creek, a class WS-IV, NSW water in the Cape Fear River Basin, in accordance with the effluent limitations, monitoring requirements, and other conditions set forth in Parts 1. 11, III, IV, V, VI, VII, and VIII of General Permit No. NCG140000 as attached. This certificate of coverage shall become effective December 1, 2011. This Certificate of Coverage shall remain in effect for the duration of the General Permit. Signed this day December 1, 2011. OPMANAL SIGNED B1 KEN PICKLE fior Coleen H. Sullins, Director Division of Water Quality By the Authority of the Environmental Management Commission ram, t+ ��� �� ��. ►✓ j mow. �ti..f rl i• i ;l 'y ,' .���+1— i r+ + ■ ` ; 51 Lam. � � 'ti .ter-•;�, 1`_`� , f,� •� '+�,-�-r`� r s % ., � "i . 11!I ` 1 `', ` Nyl0 . 'il?!;;' Western Wake Freeway Temporary RMC Batch Plant""" Site "B" rL�� •�' 4y % [ !� � If � • ���. ' S1� -..%f I � f � ,,�� ` L� ��. S .) � r� r It JF .01 f % ��� � If !' � I ir���l1 � •S y� �i • �c��*�„ ✓ � f i�f , J, 1�;� �l �j� If +X1� � 1 f �• y r � I fir 111 ; %� �'. h �r,�� • 1�` � r, . �' � ��\�.�' "'.�r1 �� j;•` r� �' �! i ` '.�,-�� 1 7 � r / �/ � r� -1'J r J 1�f ar . �' L � _� ', / � �� ` � y � F - lli _ -.41�� + ��+. • jJJ �r�r+ �� r=+� 7 ■ r'ri-'k���G� f ■��J�y i /�•f� J.� �' r s� +�Ifr� v % 1'i L_ � ••.`/ II� �� ✓ .% / � •,/(1 i�'`—_ '� tom-- .`�ti +� I f --'/Y' �_.%%l ! ,1 �� • � � I 6.1 ti rs�" r1. ti''._� � d r r •� - % �� try ���•� ��L4. f L_ �'y�� 1 lei rt- 4. NCG 140415 n � � S Map Scale 1:15,139 Raleigh -Durham Roadbuilders Apex, NC Latitude: 351 42' 28" N Longitude: 780 52'56" W County: Wake Receiving Stream: LIT to Beaver Creek Stream Class: WS-1V, NSW Sub -basin: 03-06-05 (Cape Fear River Basin) Facility Location CONTACT WFORMAZION CLIENT: RALFIGH-DURH ROADUADEPS 107T CLASSIC FOAD APEX. NC 2J53R CONIACT7 STEPFIEN GAODNEP I- 9� 9.249,.574 F. 919.24R.578 LLEDRmRG2 W ALSHGROLq.COIA- CIVIL ENGINEERING: FALCON ENG&OEERP4G. WC. RIC. • Ca1931 I210 iptiTTY ROAD I UWE 110 0 A1.p'K NC 2,415 CONTACT- SEW A. DOLLS. PE. LEEDAP 1. 9',9.EJ 1 DL00 F- 9'�' mw SDOU.FOFALCONENGR+Em COFA ENVIRONMENTAL EN';jINEERING: WSJ saLS.INc TUC. P Fte911 1541 WESTON PA9KWAT. STE IDD CAFY• NC 27513 CONTACT- ANDREW HOW ELL. PE, CFv, 1- 99,678DO35 ANOY,HOwELLB wSP5E1.LACOm FALCON W*1N ERING- W-C ILIc. • C-ZIM3I 12101:RTTTT ROAD I Swi 110 RALEC✓ . NC 2407 CONTAcT • JCYH DUKW. RE 7-9' 0.8J 1 zeco E.919g71.00DS 3DLNEAROFAL'-'ONENGtNffE S.COH P. RDR CONCRETE PLANT 'B' WESTERN WAKE FREEWAY APEX, NORTH CAROLINA FALCON PROJECT NO. C10003.00 SIZE DATA FROPEFTY ADDPESS - W& j7.E 6 LOCATEO DMIDE THE WESTERN WAKE FREE- AT C:PPIDOPI W KE COJNTT P41-PL'A LON'iJC. - NIA CUPPENI WE • wESTERv WAKE FPEEW AY NNOER CONSTPUCDON1 FPOPOSED At, wESTET'N wA0 FREEWAY LUNDEF CONSTRUCTICfCI ANDUMINDRAPY CONCRETE LATCH PLA14 WrAx CITY JAMS- YEs 01547E FLOOD HAZARD L09NDA FT. NO VICINITY MAP INTSj NARRATIVE: THE INTENT Of THESE DRAWINGS IS TO PROVIDE TFE APPROPRIATE GRADING, EROSION CONTROL AND INFRASTRUCTURE TO SERVICE THE PROPOSED TEMPORARY CONCRETE BATCH ?LANT. THE TEMPORARY PLANT WILL BE UTILIZED FOR THE CONSZRUCTION OF THE WESTERN WAKE FREEWAY. SHEET INDEX COOO COVER SHEET CIOO EXISTING CONDITIONS PLAN C200 SITE LAYOUT PLAN C300 EROSION CDNTROL PLAN C400 GRADING AND DRAINAGE PLAN C500 EROSION CONTROL DETAILS C600 GRADING AND DRAINAGE DETAILS Z L O7v ULEA LLl �z z r 0 V C3 o 0 c CQQ� YQQJJ z ?�7 Z V q Z4=in Z (�wm0 CJ• P W Z� Lu Q I jy z o- LL 0 W w sz U Ozz U wLu F--- CL- Ln W Q �sEu r - 025905 4ti; b:TS.fe��;i 1 CONSTRUCTION DOCUMENT GWED. C706.2011 o£J6ON • CATS 1 52aEFS:.Aaf17 U.I17C11 2 F?:.esw,a7 arz:n 3 Blam:o- `17 MIX" SCAL'-: I:TS DRAWN BY: M77 C»ECFED EY: ;Ap COVER SI-EET COoo FALCON PROJECT . CIOD33M i E USING OPEN THROAT RC+ CA101 BASH IB7 C tmilimT; CATCH CASH , LK- t 1 � , f / p O,q sRgCs� O � �Ogq Vp p0 2 A � t ; f0$ 0 'G l� ♦ f y� GENERAL NOTE& I. ALL MATERIALS AND METHODS OF C0147PUCUDS SHALL BE INCOMPLIANCE WITH NCCOi AND ALLOTHEP APPLCABLE LOCAL STATE AND FEDERAL CLACELIMES- 2. EWI NG SUPVEY PFFQPMAioN NCLIIONG IOPOCPAPHC N"•ORMATION PROVIDED BY COXIRACIORS FELD CREWS, IHE COICRACTOR SHALL BE 91SPON95LE FOR FIELD VERIFYING (KWU C C 01=3ONC "TOP 1� COMWENCILMI Ni O' ANY WOK. IME CONTRACTOR SHALL L%w.EOIATELY IIOTFY THE OWNERS PEPPBFM AWE DF ANY DSCPEPANCES De CONFUCt$, S, 7ME CONTPACIOP SHALL M RE3/0VIS611' FOR CONTACTING- COOPONAING AND FAYMENI FOR ALL NECESSARY tOCA1NG SEPVICE$ NCWDNG INDEPENDEM LOCA'NG SERVICES. 1 HE COh.P ACTOR SHALL HAVE ALL EXWM WAXES LOCATED AI LEAST As HOURS PRIOR 10 BEGrazNG DE.M,=10N, DCAVATION OR ANT OTHET FORM OF CONSIRIICIION. THECOMP►CTOP SHALL WmEDEATELY NOTIFY 714 OWNEt"S PEPI`MWAtNE OF AN) DISCREPANCIES OR CONFLICTS. A. AU WS-SUPFACE UTLOiS IDENTIFIED ON ME COWPUCIFON DOCumENtS ARE SHORN N THDE AWROXNAATE t0CAfION BASED Oil SUPVEY RFOPMATFCN GATHERED FPOM FIELD ItSPECIION AND70R ANY O'MEP APPLICABLE RECCRO O PAWNGS WHICH MAY BE AVAILABtf. THE COWPACIOR SMALL LNAREDLATETf NOTFY TI+E OWNERS PEPRESENIATME OF ANY DGCREPANCIES Co CONFL1CtS $. EXSTNG WPPOVEMEMS DAMAGED OROESIPOYED BT THE CONIRACIOR DURNG CONSTRUCTION SHALL a RESTORED OP REPLACED TO OPGPNAL CO`=K)K AND TO THE IATSFACTKW OF THE Ow*k PEPRESEWAIIVE AT THE COrrRACTORS EXPENSE, 6, THE CONTRACIOPSIIALL BE RESPCNgIBLI FOP OBTAftnG AND COOPONAINC PEM2S. NSPECIICNS. CE=IEICATIONS ANC OTHER PEOVREAIENTS WMCH v= BE W UNDER THS COMPACT. 7.IF C(PAP7UFE: FROM THE FwOAi:; DPAWNGS 00'PECIFICAI1DN$ AVE DEEMED NECESSARY BY THE COFnRACTOP. OVALS OF $UCH DEPARTURES AND PEAS&& THERE CF SMALL N WBAAMEDIO THE OWNEPS PEPFESENT AiNE FOP PEFYVAv. NO OVAPTUPIES FPOM THE COMPACT DOCCMENTS SHALE BE MALE MTHOUT 1Hf E1 OM WRITTEN PEPiASK)N OF ME OWFk PS PEPPMMATSFL OEPAQWtn MAY PEOvOt P,PMiT MOMICA7pN. A. THE COMPACIORSHALL EE FESPOWALt FOR THE tELOCAIIOti DA ANT JX ST1NG UIUr "RA37rWTUPE FEO%tRED TO COMPLETE AKY POPTK)N OF COR6TR7CT10N. THE CONTRACOR SHALE, ALSO BE RgPONSIBU FOP THE COCIDNA7ION AND COSTS OF ASSOCIATED W ORF„ R" M ENGNEER APLI/Oe OWNED CWCLAW ANY ROLE Ff THE C0N47RUCTIDN MEANS AND/OR mETm= ASSOCIATED WITH IHE "OJECT AS SET FORTE IN THESE PLANS. 10. SOUTH SALEM STPF_ET PPOPOBED LVIPPO.'EAlENTS HAVE BEEN SHOWN AS EXA7INGlFI7UPE. ALL SLC+ VIA"OVFMENT$ ARE 1401 PART CF TH3E DOCUNEMS. THE CONTRACTOR SMALL DEFER 10 A•PPOVED CONSTRUCTION DOCUMENTS BY OiMERS FOR DETAILED INFORMATION AS=AtED WTFI ROADWAY PA►POAEMEMS. EXISTING ca4T7TucT1DN EAI$TNGGRAVfl. PARaPEA CWG 1 JS / . O♦� moo` / LEGEND EMSING STOP". V AINAGE STRUCtVRE E�ISnND DRAN•CF PPF / ODD EXISING CCIN70LV i"IORI / Y —DDD-- SIN EXG CONIOLP{-Noel / EXISTRv PIOHI of W AY ytf EaIS1>H, GRavEI SURFACE Q / Or / / NORTH / GPAPHIC SCALE zo Oz Uw \j LLJ V Z LLJ o Q p ti a a � LL7 zoF:F�z DD CD Q (V Q 0 Q m Z w Q J Lu Z LLO W Q W ]z U Cz Q= U E- 0 Z0 U wLu w l'r-y •� � f'S'PnEF- CONSTRUCTION DOCUMENT ISSUED- C7.06,2011 F 9:,NrT� :;,ilINL 3 pvlmF:�)W, IO:t711 KAL.: •P FO DRAWN Br; Wj EXISTING CONDITIONS PLAN cloo FALCON PRO.IECT P C IC=DD / / PROPOSED b' HIGn SECURDT FENCE(IYP,) / / 1 / 9ETtU,LG MIN F3 SETTLING BASIN R I r-?POPCSED $TOPMw.:Ea // lea W F 71Y LI (37 W F ISO II /(BY O"HEAnEM 1 (BY inERSf //J / PRO►D$ffl IOR7RANS IWO IYI-SPSFROM wASH pH CONTaOL SYSTEM BAY TO SETTL2,r, POW= IN BASIN 13 f � � — PROPOSED x'ASH S:A1QN (REFER to OEIAL ON SHEET C4701 IS-f -,tNANCE ACCESS % /Y^-\♦_ S^' / 1`� ! ! / PROPOSED IE.VY DUTY APRON: 1; TWCR SURGE S70NE ' 1�I illypi ^hNGDPUM J 1 RAW MATERLAL StOCKPLF= PROPOSED:EFA'ORARY PLANS ACCESS DRMEWAY EXISTING CON IMCIION IRALER GENERAL NOTES 1. ALL MATERIALS AND MOHODSOF COW9VCTIDN SHALL BE MtCOMPuANCE WOH NrDOT ANC ALL OTHEP APPLCABLE LOCAL SLATE ANDFEOERAL GUOEul ES 7. EPG7NG SUPVEY r6OPMAT1a4B.'CLUDNC 30POC�-Pm C VPOPMATION PROVIDED BT COFTTPACWS PILO CPEM. SHE CON:RACtOR SILAu BE PESPOrMLE FOP FIELD VERIFYING EXG3NLYD G CONONS PRIOR * COMMENCEMENT O= ANT WORK. IRE COS i7AC7OP SH 4LL LMMEDIATELY NOV1 Y THE OW NEP $ REPRESENT ATNE ,F ANY DSCPEPANOIESOR CONFLICTS. 1 THE CON iPAC:O: SHALL BE =ESPONSOLE FOR COMACiLNG. COORDwATNG AND PAYMENT FDR ALL NECESSARY LOCATNG SEPVICESNCIUDNG IN DEPENCEN7 LOCA'1NG SERVICES. SHE CONIPAC:OP $HALL HAVE ALL ExtSTING UTRSTES tOCATE3 AT LEAST b touPS Peps:O BEGRrrNG DEM0WK3N. E 7C AVATOK OP ANT OTHER FORM OF CONSIRUCTPON. THE CONIPAgOP SHALT WLMEDPATELY NOTIFY THE O W-4ZI P£PRESEMATIVE OF ANY DISCREPANCIES OR CONFLICTS. a. ALL SL15SUPFACE MU70 IDE'"IEO ON:THE CONSPOCTON DOCUMENTS ARE SHORN IN THEIR APPPOxLMATE LOCASON BASED ON SUPVET INFOPMATICN GAIHERFD FROM FED INSPECTION ANDIOR ANY OTHER APPLICABLE PECCRO DRAWINGS W MCH MAY LE AVAILABLE. THE CONTRACTOR SHALL IMMEDIATELF NOT31Y ME OWNERS FfRRESENrAttvE Ot ANY OWPEPANCe CP CONRICIS. S. ExI NG LMFPOVEMENTS DAMAGED OR DESTROYED BY THE CONTRACTOR DURING CONSTRUCIPON SHALL BE PESICRED OR REPLACED 30 OPGINAI CO+JD7JON AND TO THE 1 AIGFACTION OF THE OW NEP'S VFPR£SENTAI14E AS THE COWPACfO 'S EXPENSE. e. TH£ CON T PACTOP SHALL BE RESPONRmLE FOR OBIAPJ;-* AND COOPDPPAUNG PEPM2S. F4PECTICf4. CEPTFLCAtP014 ANC OTHER PEOU'REMENTS wHtCH M,PS7 BE ME7 UNDER 7N4 CONTRACT, 7, B CEPAPTURES FPCu SHE FPOSECI OPAWINGS OR SPEOFICAIONS ARE DEEMED N ECESSAPY BY THE CONT.PACIOP, DETAILS OF SUCH DEPAPIUPES AND PEASO-d THERE OF SHALL BESUBAA„ -,ED TO W OwNET3 PEI •'ESET41ATR'E FG7 PEY[N. NO DEPARTURES FROM THE CONIPACT DOCUMENTS SHALL Be MACE WITHOUT THE EXPRESS WRTITEN PEUM-VADN OF THE OWNEn WUL3ENIM VE. DEPAR7UPE$ MAY PEOU:P£ P;PAAII MODFICADON, B. ME CO+SaACIOP SHALL BE LESPI>eALE FOR THE FELOCAIION OF ANY MING U3LITY IN"A3IRUCTUPE REOIRED 10 COMPI.E:E AliY PORTION Of CONSTRUCT10N. THE CONTRACOR SHALL ALSO If RgPCF SGL£ FOP 74 C009MATION AND COSTS OF ASSOCIATED WORa. 4. THE ENGNEEP AND/OR OWNER OISCLAIIA ANY POLE N :HE CONSTRUCIIDN MEANIS ANLQ700 METHODS ASSOCIATED WITH THE PROliCt AS SET FORTH IN THESE PLANS, 10. SOUTH SALEN STREET PROPOSED VA►VOVEA4NTS HAVE BEEN W OW N AS EXGt7N:GIF7tUPE, Alt SUCH Lw"O V(MENI$ ( ARE NOT PART Cf THESE DOCUMENTS- SHE �ONTFACSOP SHALL L'EFER to AAPPOvEO CON S lvuCIION DOCUMENTS IT OT.In FOR OEIAIED RiOPM (SON ASSOGAIEO wFH ROADw PY xAPPOVIMENTS. y / SIZE lAYOUT NOTES: 1. THE LAYOUT FOR TFE PROPOSED TEMPORARY CONCRE7E BATCH PLANT G APPROX7MAtE AND MAY VAPY OEPENOIt . ON FILE CONXICNS. 7. WASH W ATEP FROM THE MPRHG DRUM A7 THE PLANT SHALL It COLLECTED IN A WAIFR TIGHT FAONI END LOADER AND 1RAN "OtED tOTkE WASH S1AIION 011-SITE POP DEPOSAL AND TPEAIMENT. 1 tM CON.: XA(ZOP SHALL BE 17SPON=iSLL NO. MAP•TAFaIrq iN! HEAYY RPTY AIF O AHD O—M SURN ACE INGCOO WOPr,NG CONg7ION 70 D=;IF PPOPER DAANAGE AND COMANMENY OF RESIDUAL WATER FROM WASH SIA7 AS SHOM" ON SHEET CV. .PAW MATERIAL SfDC.•PtLC$ CON%3 OFSAND, D, F57 $7ONE. AND FIB $TORE. S. REFER 10 DOCUMEN7S PPEPAPED By wSP SELLS. FTC. FOR ADOTONAL LNPORM ATION PEGAPDRIG WILING BASI14INCLUDV4 SASWSTONNWATERCALCLIIATIONS_ 71C GRAVEL / rt1NYa / / A / `2S / O / / a.L•' d / OP / / LEGEND PROPOSED CkAIN LNF FENCE EMSTNG GRAVEL SLPFACE ® "PCPOSEDSIEFE-IDES ';OPOSEDGPAVEt SLP -::E PPORasED CO+iCRF'F SuFy ACE ® PPOPOSEDSUPGE STONE SURFACE hORTH .T x P Fs u I GRAPHIC SCALE Zo ro w 1 L 1� Z l� Z ? W Z J LLO LLJ wa Lu �sL U U� zo o z U wLu w - f CL"LtNEKI .�v • 24?Es;...... CONSTRUCTION DOCUMENT ISSUED: C706.MiI PEVAON R CASE 1 9^_FA9f=. - 07312211 7 9?F9GOLAPLl.7 T&LIT 3 PFl<r4: mEQ U7F711 SCALE: .. Aa DPAWN BY: MU CHECXED BT: LAD SITE LAYOUT PLAN C 200 FALCON PROJECT F C1ODD3M i 0.Gi i - ffIrcG ran INLET PROIEECTH iON ! ' SlORMn EST PROapl, 7 1_Ep ER / r /J MAnGEMtN1 BY 07NERS/ T8� CSC Y�._ / �• �+// ��� J I U EKISTNG SEDWINI BASH \ CONTPOL 14 0 E 02 . •� ! CONTIOI NOTE Y?i -'I SETTLING BASIN.! \` _ L 1+1 y i \ FUTURE ORANAGESWAtt—/I �i 1 JOY OTHERS) FUTURE RM � i1 •J DRANINAGE SfClIC1DRE ANDPPE IBT OTIELPSI RQ , r pOL e \ TEMPORARY SET FENCE ETYPI INCDOI 160&ZIj TEAdOPARY RDCI CHECK DAM TYPE'[ ITYrt r SE7TLPtG EA3N rl L \ REFER IO SHEET 1:610 FOR TETTusG OAS;+ SYSTEM DETAILS F 1 y�' ,p I+iHIHI'11 �F'� TEMPORARY - 40 +1 L'S 1'1 + I + 1% ` C'OF4TRLICiFON ENTZ ANCE PICD0116RT.DL) L I� LLwTs Of Ds:uRwNc7 171'Pl � \ y GENERAL NOTES 1, ALL MAT- IALS AND MET"= OF':OlStRVCUDN SMALL BE N COMPLIANCE WITH NCDG1 AND An OTHER APPLICABLE LOCAL STATE A140 FEDERAL GIFDLNE3- 2. EX=24 SURvfY "OPMAICN N_ILIDNG t]POGPAPM3C NFOPI+IATION PROvtDED IT OONTRACMA "E FIELD C"W$P THE CONTRACTOR SHALE BE RESPONIZB-f FOR f£LD VEPFYNG ExSr"GCOND(fION5 PRIOR 10 COMMENCEMENT OF ANT wo", THE CON-PACTOP SHALL LMMEDIAIELY NNOTPr THE OwNEPS REPRESENTATIVE OF ANY DSCPEPAN[1E5 OR CONIUC72. 3-THE CONTRACTOR SHALL BE r.ESPCFSALL FOP CONTACTING COORORWa* AND PATMEN+t FOP ALL NECESSARr LOCATING SEinCES NQUDrOS r+DEPENDEN'1 LOCATWO SERVICES, THE CONTRACTOR STALL HAVE ALL E1t57", UTILM. 10CATED At LEAST AB HOCKS PRIOR 70 6EGNN'IG DEMOLITION, EY.CN VAIFDN CR ANT OTHER FOIM OF COrTSMICTION. THE CONTRACTOR SHALL IMMEDIATE[[ NO' FYTHE OWNERS PEPRESEMA1f.'E OF ANT 06CFEPAKM DR CONFLICTS, A. ALL SUBSURFACE LTLAES IDENTSED ON THE 1-014TWUCt10N DOCUMENTS APE SHOWN N THEIR APFsOVMA1E LOCATION BASEDON SURVEY tNFOR4.A;C)N GATHMD FROM HELD fEPECi10N AND/OR ANY OTHER APPUCABLE RECORD CPAWNGS WHICH MAY BE AVALABLE THE CONTRACTOR SHALL lmmw ni NOIFY THE OWNERS ZPESEMTATNE OF ANY DISCREPANC+ES OR CONRLICTS. S. EXIST:Nr IMPROVEMENT$ DAMAGED OR DESROYED BY THE CONTRACIOP WZ2,* CON3tFVCtPON SHALL BE RESTORED OR REPLACED IO O:C,7JAL CONN70N AND TO THE SAISFACIION o- THE OWN:: SREPRESENTATIVE At THE CON7RACIOn EIPENSE. 6- THE COIJLRACTOR SHALL BE RESPON&Mt fOP OBIANNG AND CO7RD0IAIR43 PERMITS. NSPECTKhi. CEP*CATIONS ANOO:PER PE=PEMENTS wHCH MUST EE MET ONOER THIS CONTRACT. 7. F DEPARTURES FROM THE PROJECT OPANviGS OR SPECFIGAtJCJNS ARE DEEMED NECESSARY BY THE CONTRACTOR, O"AES V SUCH DEPARTURES AND REASONS THERE O SMALL BE SUBMITTED TO THE OL+NERS PEPPESEN1,ATN.N E FOP 7EVEw.O DEAAPUJPES FROM THE CONTRACT DOCUMENTS SMALL BE MADE wTMOLA THE D RESS WRITTEN PERLFMON OF THE OWNERS PEPI7ESENTATNE. DEPARTURES MAT PEOUs E PERMIT MODFICATION. B. THE CO MACTOP SHALL BE FESPOP40U FOP THE RELOCATION OF ANY EA6TNG UTILITY INFPA57PIJCT0R! PECLITPEO 10 COMPUTE ANY PORTION: Of CCNS7RUCTI3N. THE CON70AC70R SMALL ALSOM PESPON $IBU FOR THE COORDIN1AtIONt AND COSTS OF ASSOCIATED WORK. 9. ME ENtOMER ATa/OROWNEP DECLAIM ANT ROLE N ME CONSIPUCTION MEANS AND/OR MVHCDS ASSOCIATED WITH THE PROJECT AS SST FO PIH N THESE PLANS, ID. SOUTH SALEM STREET P'NOPOSEO MPROVEMJNTS HAVE BEEN SMOwN AS VISTNG/HFTURE. ALL SUCr LMPROVEMENTS ARE NO: PART OF THESE DOCUMENTS. THE CONTRACTOR SHAD. REFER TO APPPOVED CONSTRUCTION DOCUMENLS BY OTHERS FOP OEIALED NFORMATIOM ASSOCIATED waH ROADWAY PAPROVEAENTS. EROSION CONTROL 140TES: I. ALL EROSION COtr-'OL MEASUPESSHALL BE U47AULO N BEST LOCATION BASED ON FIELD CONDOIONS, 2. THE CONTRACTOR SHALL BE RfSPCEIME FOR IHE NSIALLATIO T AND MANTENANCE OF ALL EROSION CONTROL MEASURES SHRDUGHOUT ME DURATION OP CONSSRLOCTICAI 3- NSPECTO.vS OF EROSION CONTROL MEASURES SMALL CDMPLY M74 ALL PROVISIONS OF THE PPOIECI CONTRACT. ' A. PETER TO OOCUMEVIS PREPARED BY WSP SELLS. NC. FOR ADOLSIONAL NFORMAIION PEGARMNG SETTLING BAST 4VaUDIT,* BASIN StORMwAtEP CALCLAAIIONS. S.:HE AREA OF OiSNMANCE FOR IM6 PPOJECI IS SS ACRES. l / _ EROSION CONTROL SEQUENCE r / I. 067AN ALL NECESSARY PLAN APPNOv ALS AND PERMPS BEFORE BEGNN.NG WORK, CALL"ONECµL-BLIORE AN' WORK OCCURS. '� / 2- HOLD A PRE{ONIS'PtKUON CO>f ERENCE wAH 7HE RE9DEN7 ENGINEER AND NCD07 FRDSKO++ CONTROL, OFPCER,11E CONTRACTOR AND PEPRESEIJ7ATIYES FROM ANY OTHER APPLICABLE QMULAI3PY AND UTILAl / AGENCIES INSTALL SILT FENICRJG. GRAVE{ COIFS; RlrCtlOd EN{RANGE AND ANT OT HEi MEASURES AT SMOwN ON SHE 1 - APPROVED PLA14 5EFOR 1 BEGINNNG ANT RAND D4tURBANCf. \ - A. C ALE FCR AN Of4—" rcSKCTK)N5 BT THE rF000T EPOSON CON'T;Ot OFFICER F PECUPED. \ I 5. 6EGN CLEAPNG.GPUIS:NG. GRADNG ANOPLACEMEM a FILL AND REMOVAL OF BORROW FOR THE 1 PLNI NNW OF 7HE PFO=. F4PEC7 AND MANIAN EROSION CON'ROL MEASURES AS PE=VED DAILY AND AFTER 11 I EACH R Am EvENT. 6. ALL GRADED AREAS ARE TO BE PLANTED OR PROVIDED m7M PROTECTIVE GRASS COVER SUFFICENT 10 PESTFAN EROSHON wr.fV4 15 wOImPj0 DAYS AFTER CON LE71004 Or ANT P1v&E Of ORAD� G. ALL AREASUPCN YNRCH NO / FURTHER LAND D67URBWG ACTIVITY •ELL BE UNDE91AKEN ARE TO BE RANTED OI PROVIDED WITH PROTECTIVE GRASS / COVER WTH IS wOPUNO DAYS. 7. WHEN COrSTR11CIION 8 COMPLETE AND All AREAS ARE S7ANLIEEL, CALL FOs AN ON.S(tE V15PLCi1DNi By 7rE NCOOI ERJSION CONTROL OFFICER F REQXP0. B- THE SUBIECt SAE A10 ASSOCIA:ED DISTURBED AREA HAS BEEN PvFAOUSLT AFPPOVED AS PARE Of A SEFARA.E j I / / SEOLMENIATION AND EPCB7ON CONTROL PEPM.T. THE CON7RACIOP !MALL BE RESPONSIBLE FOR FSTAUNO AND MAVTTAINNG AtL REOVVED MEASULESN ACCC=DANCE ATM SHE SUBJECT PERMTS AND APPLC ABLE rEGULAtIONei- � FJTURE STOPM CRANAGE STRUCTURE PPE I&Y IRT OIHER31 O OP / / NORTH GRAPHIC SCALE Abi Lu Q J W Z J W LL0 w w �[ Caj � Q T Oz O Lf U ww CL w /�Q LL J :fie,; CAR ' CAL C2951 1 �ti `C7Li7M2 �^ L CONSTRUCTION OOCUMINT ISSUED: L7,06,7011 REAOON+ ;SATE 1 9•.+HSCARB: U7.112:11 2 9•..BSCIP91 002SI7 s op-MIOIIBIEG 197P71IS SCALE. -•AEF DPAWN BY: v J CHECAEOBT: SAD EROSON CONTROL PLAN C 300 FALCON PROJECT F C1000OA0 i EfISTING OFEN-TNROA: CATCH G7CH ryASN / y / �PROP�SED STOFMWA7 M MEIDEM BY DIM �/nLARff SMALL BE 1AxsF'I.M AI OU ET 01 BASIN 03 1 PP.RAP DM FATCI Pi L INCDOT 8261-4 Emma CAICM PASV f�L sE:TLFNu B �/ EXw4'c $BORN >` OUTLET SIR r INC=Me W.20GR. H SETTLING 8, . Y 1/ FUTURE ORN"GE WALL j a. � �L1 � 1 N FUTURE STORM DRAINAGL SIRUCrUst AND PPE I$Y OTH051 Y Or �a / 12' INCH HEAVY DUTY APRON 8"TM1CF. CON Ivl PAD WDP;9'7ALL M:J3 SPPA�RJG FCITPFrIfN[ SURGE STONE ., WASMlAY ~- eAsiT + L SECTION A -A $CAL:-: N7S S: ND METHODS OF CONS7RUCIION SMALL BE N COMPUAN_E Wit" NCDOT AND ALL OTHER APPLICABLE LOCAL. STATE AND S. 4NIFORMATION INCUJDItG TOPOGRAPHIC NFORMAF ON PROvi= BY CON2ACIORS FIELD CREWS. THE CONTRACTOR BLE FOR FELD VI"T NG Ex1StNG CONDUJON PRIOR TO COMANWCEMENT OF ANY WOP%.:ME CONTRACTOR SMALL Y THE OWNERS PfP9E$ENIATrvE OF ANY D6CFfPANCtu OP CON4.CTS. lF SMALL BE PESPOK=E FOR CONACTFaG. C'JOPONAING AND PATMENI FOP All NECESSARY LOCATING SERVICES NDENT LOCATUNG $ERV7CES. tMF CUNC,RACTOR SMALL HAVE ALL ExWNG UTFUTES LOCALE] Al LEAST 48 HOURS PnD( 10 EJON, DICAV ATIOHOP ANT OTHER FOR.VL OF=ONSTRUCTLON. THE CON. PAC70R SH ALL IAMEDIAtVLY NOMY THE :1ATNE 01 A.NY DWYEPANCES ORCONFLIC0- E UIIUTES CENTRED ON -HE C ONSSRUCTION DOCU VEINS! APE SHOWN IN JHM APFIROx4AA7E LOCATION BASED ON ON GAT-E7ED F70M NED 04SPECTON AND/OR ANY OT7EP APPICABLE FECCRO ORAW7rGS WHICH MAT BE AVAILABLE. SHALL IMMEDIATELY N071FY THE OWNER'S REPRESENTATRI Of ANY OSCREPANDES OR CONFUCM TALENT$ DAMAGED O. MTwOn0 MT tHC CCN'k ACTOR DURING GGCT+VCIOM $MALL SR R`UM-t0 OF REILACED 10 ON AND'O TH E SAIGFACDON OF THE OWNERS REPFESENTATNE AS Nf CONTRACTOR'S ExPENSE. -P SMALL LE RESPON:e1E FOR OSTAKNG ANDCOORO NAING PEWS. U VECVONS. CEP7IFIC A71ONS AND OTHER CH MLST BE MET UNDER THIS COtMACT. ,Om THE PROUECl DPAwNGS OR 51ECFICATJOPIS APE OEEA+EO HRMSARY By ME COM2ACICR, CE7AA5 OF SUCH EASON''HERE OF SMALL BE SUBMITTED 10 7HEOWNEPS REPPESENTAINt FOR Pf%IEW, NO DEPARTURES FRD6A THE AENS SHALL BE MADE W T OUi THE EXPR ESS WaIETEN PEFM SSON OF THE OWNERS REPRESENTATIVE. DEPARTUPE3 MAY ,n,iCA*.ON. iR SMALL BE RESPONUBt."OP TEE PLLOCATLON• Of ANY ETU$*. NG UTBJtY NF-ASt2UCTU--E PFOIP.PED;0 CCmPLETE AJIT 1RUC7ION, THE CIDNTPACtOR SMALL ALSO BE RESPONSIBLE FOR THE COORDNArION AND COSTS OF ASSOCrATED WORr,. iOJOP OWNER DSCLA W ANY POLE N THE COPSTRUCiJpN MEANS AND/OR METHODS ASSOCIATED W:H THE PROJECT AS PLANS. 'REEI ►PCPOSEO LUPROYEmENTS HAVE BEEN SHOWN AS E MTx+GFFLCURI, Ali RICH WPPOVEMfun ARE vOT PAPi OF . THE CONTRACTOR SAIL PEFER LC APPROVED CONS7RLCTION DOCUMEMS BY OTHERS FOR DEIAILED INfORMATIdJ ROADWAY WPROVEMjJ.TS. 'AINAGE NOTES; %E N75 PREEPARED BT **SELLS. NC. FOR ADD(DONAL NFORMAtION REGARDING SEITLNGBASN$ NCLUONG BASIN :ULA71d3, 1 SMALL EE LINED INCH AMRT,TAUM OF 3'OF CONCRETE OVER THE PEOUREDl11Y!R PRIOR 10 SH IE N7RDOUCIIONOF 'iER, REFER 7O SE7TLRJG LASH SYST[M DEIAR SHEET C6OO FOP lNE2 tfOV72EVENtS. THE CONSPACT02 SMALL Y ALIT RETE FOLLOWING EACH DREDGING EVENT AND MATE PE'AILS AS NSCESSART. ISSPVC710NS: Ii SETTLNO BASN I M I WEELLY. LEOmELEVELS .1 SETTLNG BASIN +2 ANDCLEAN OUT AS NECFSSA7Y. NG BARN VOLUMES: 2.126 CF 5.521 CF 1,375 CF OLAPED 7] CONS7PSJCT SAWS TO PROVIDE A' LEAST THE DESLGN VOLUMES. ESS W STEP 70 BE U50 FDR TRL C,. wASKNG ACiMTES CCCU RRNG AT THE W ASM SIATIOHJ SHALL BE PUMPED F70M ME OF SETtONG BASIN 02, ME CONTRACTOR SMALL USE A SUSPENSION BEAM OR FLOAT ASION DE VICE 70 ENSURE 7MA71Mf S DRAWN FROM THESu2FACf OF THE BASH, R MAY WE A FRESH WATER SOuPCE TO ENSURE SUFF00W. vOLUvy AN0 DEPI"IN BASH 02 FOR RECYCLE PURPOSES Ll OF SETTLING BAUt4. WASTfWA7ER SMALL BE RUMPEO KO AN APWONNATE rPANSPOPTDEVICE AND DBPOSED OF IN w ALL ffDERAL. SiAn, A743 LOCAL i£CLIPEMENIS, SETTLING BASIN DRAINAGE AREAS BASIN 1 D7ANAGE AREA DRAIuGE AREA ICU.•.Tf1LA'rvf) ACRES ACI ACRE. IACI e•sN 1 07A5 I D,7EE eASw 2 1 0,195 0...2 BATu:3 Sao I 0W LEGEND --COB — — {nStwG CON'OJP U+AJORI ---- OOo----- ExSTwG CONCUR IMs70RI EATST.G SIOPM JPAN.GE STPLICTUPE E A3S7F;G DPAINAGf PIPE —OW PROPOSED CONTOUR(MAJO.) —Im-- PROPOSED CONTOUR IMNORI ----------- PPOPD$ED OPA14AGE AREA TO$ETTLRtG btSN PROPOSED S70Rtl DPAJNAGE PRE ■ FFOP•OSED 0LI7LE,STRIICTLRf +D.00 PROPOSED SPOT ELEV ATION "ORTH •) x P d I GRAPHIC SCALE zo Oz Uw LL.I Z 4r Z Lm O V co kQ Lu Q J Lu Z IL U-_i W 0 UJ Q Lu NC U U� Oz O U wLu W Q r 5(AL l 026%3 CONSTRUCTION DOCUMENT SSUED' C7.06.2011 PEVI$ON r CATI 1 9LRBSG�P67 ^J.It T.II 2 9'FBSCud! ti2r 3;11 SCALE: + AO 0P.wN6•: VTJ CHK'59 By: ..0 GRADING AND DRAINAGE PLAN C 400 FALCONPAOJECT F CIOOQ M e � 4 YQ [ Y {4`L 1FNOVITI! NNI M NAMW KOFIaM M A=-W n LAW . `: a� pq g ab ,• Q n�- �€ x. LOCATt lNMNFQf iI TO r110r[OE r0N YTILIfATIf F Ali COL WA WW N A GINIXI i. IIYT N[ MIN0:S IN A LOOLTIO• N[L' NIaYVfT j P g STI RNxmrO Ta41lA1R RITO lrDQ Nr Ll tl RQ13MY. Pgxlwrc rM e[Nett std 7 r In iI P" .. AfYX UTDITAI T11K,® INTa TIN ■]rDNaT N3} r 1R.E.YR9 v UwLDIAKLY. 2!` Ti Y G 4 7i ,Av i. La"" ""rL fb161NUCTIDN [% A"S AT rp1Nr1 OF 1pam Aw WNp UNTIL ur1 IS STARILLm, Lu nnnu nlrawrt 7 olds OF n! "'I" ..n r1LLr NI y b� /Ao LOGT[Pr w camslkiT m oRNRY1 m w wTrNVYEn F TN namcm. COUP.IDTL .�!'•~ r. mE IaAW 'A' f101N CA 011N CLAW A001VLtj 0010 XI w Tw ETD w". � - - g w t .. _ / ■LNIY _ Cc woof IN f� K �rnLcNl 10 � IT.clAas sryc (�' u u To � w � CROSS SECTIOPtAL L'IENf � NIrR: rLFLi rIITU .L/.IC RUT,F iT01N � 11610� Ira r'01 1607.01 1670.OS 16�1.02 NLw%SINE x. rinan r1NlF •�� - (3f I�a I Ir 1 I YN F � iE•{ N LOL[p =k roaw as r a ry„ TEMPORARY SEEDING RECOMMENDATIONS FOR SUM14ER SEEDNXI GMEUPE TEMPORARY SEEDING RECOMMENDA7101,S FOR FALL SIEDrw NG YlutE 1 �!- TIP w a SMCES FATE RlfACRE$ GLRM.wAXUI li IPEC16 RAZE ItBJAC REST RYE jGRAFi1 ISO 0Y NO LO�WrfIT IFI`. S� I! �I - III W THE PEDMONT AND MOIINTAab. A Sm. USTEMAXEDIUDANGPASS SEEDNG DATE$ -off I L I MAY BE SUBSTITUTED AT A R ATE OF 50 LBlACRE. MOWAI a- AUG. I S - DEC. 15 UED24G DATES COASTAL PLAN AND MDMDNI- ALG. 15 - DEC. 30 _ _ / •• MDUNIA94-w.Y IS-Ai1G. IS PEDMONT. NAY 1 • ALIG. I S SOIL AMENOMENIS y% ��ll .:NJ F[LTG r&%uc� �u COAIIAl nA1N-APR, IS-AUG. IS FOLLOWTOIL tnl$OR APPLY 'DOOLSJACPEGPOUNOAGRICULIURA- 4 LIME170NE ANC 1000 LWACRE 1 D 10.10 FERMUER 4 SOIL AMSNDFAENI$ .. folow SOLTE$TSOR AMY 10DOWACRE GROLID PAIRCH NOTE! AGPICIRTURAL IW.ESIONE AND 730t9JACRE I0-lD-1OfVnlLUfR APPLY QWLBJACRE STRAW. ANxHOa STRAW IY IACUNO WCH LINE NINE A NININLN OF i?• FL LTG rM112C ASFFAti. fd-..NG OR A MACH AN CHORNG 100t. A DGk W Y4 BLADES w IN -=tm AN0 nfN L N1NLN� IIF N L[N! Ln FI15 Ni1N Ir• STAY RarALTED ilu r MULCH SEE HEARL Y STRAIGHI CANSE USED AS A MULCH ANCHOR WG 7DOL. USE nLIIll rMNicA N[N[NLY c AF7+tY aD00 LLlACRE STRAW. ANCHOP STRAW 0Y LAC UNG WOH ASPHAl L WING OR A MLLCH ANCHOINGTOOL, A DTSX wZH BLADES MIKTENANCE _ A orALIFO. DF Si' IN WIDTH MO rANrvL AaEaNTILY m TIE NINE AN OINICIM TIT[EnLNIEN. �T ~I r�� �li O N. SET NEAFLY SIRANGHT CAN BE USED AS A MULCH ANCHCRNG TOOL REPAIR AND RE-FERILME DAMAGED AREAS VANEDIATElY. TOP -DRESS w1:HSO l6JACRt OF NITROGEN NMARCP, F6lS NECESSAW TO EXTENT !r 11I PM401 i•-0'arm FWr OF T1l �a� �!• MAIrENANCE IEMiORAPYCOVER BEYOND TUNE 1=OVER,SEEDwlH 56 LB/ACRE KOBE NEIr.FLSTP ANDIf trttn TnFR, LAo.E rr[a TrPI. 1.I IT' OLFTH RE FEPTILUEEGROwTrr6NOf NUT ADEQUATE. RESEED. PE-FE;'PUE AND MIILCH uw FEDIATELY K.UON.'1.'G EPO90N OR ONE. IgEpMpN7ANDCOASTALPLAMORYOLFLN1 IMOWTAI.STLE-'FMEfAN LAIEfEBcUARY DR EARLY MARCH. ;.E. DAMAGE. Ir v43m V rFc11C NO NIIR TIrm T11f10X i.01 1jSD3.01 1 ,r. u.N Nrr .�. J ___ _____________ �+rA..rr r,r !�urrYr,�N Aw m." PNRTllrTN �''+Zi. INLiT. FBRi[Cf10 NRINN h E-• wTtiN n C Fr,�o No ► re �:� r �H,:.:NF.Nr .. r v +a.. 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COM:RACTOR TO SU1Mf1 SCR ANALYSIS 7L33R TO BECr .NG ANY tBED BED PREPARATION 11 tW PER ACRE OF DMURBANCEI. S. CONTINVE TILLAGE UNTl A WELL PLLVERIEED. WA& REASONABLY UNFOR.-O SEEDBED IS FREPAPED FOUP TO SIX INCHES DEEP. NSEEOON rMi+L• PREPA"D UE0610 A 000VER SLED UGHILv wa4 SEEO,MG EOLWMEN' OD CUL71PACr AF7tR SIEOaNG- 1. MULCH WNIDIAIELY AfrER SEEDW, AND ANCHOR MULCH. 1. INSPECT Lit iEDED AREAS AND µALE NECESSARY PEPAPSOP RESFEDNGS W. rN Ent FIANTi NG SEASON. F POSMd. F SIAVD SHOLRO It MOPE THAN 60%OAMAGM Ff-ESTAELbH FC(iOWNG wE ORFGINUL LLME, FEPTILUER AND SEEDING RATES. Zo o U LL) Lij Ali LJJ W Q J W Z IL cj� J W LLD LU Lu �z U oz° U wLu wCL ,•t� CARD . yip .Xrjs�.P'-" • SAL %ti 'IXpMZr�i l CONSTRUCTION DOCUMENT ISSUED. p 0e ni I REvoo" F DATE i '.LC-ErICA&I W.lixil 7 q c-m . -el IT 7..T.T I ± IF,O,y „AW. 1711=1 SCAL ASNO7ED OPAV" BY; NSI C-EC,EDBY: SAD EROSION CONTROL DETAILS C 500 FALCON PROJECT A C100MM S1mL m 3did 1Y I7Y dIY VOA 301Oo oQtg» tC� QQ* 4 R a ton wx� NOl1YlY0TKNYi1 i0 'It)D .� 31u lilts] SOLO any" 313NON05 yM,1oyM7 N NO1 ps _Na+ oNimyw aNr wil Irlr,=3 I is I Ill t < � i �'. i• '� � tl I EL 11 111! jr E ?IE Fli1� � -il i t 13� 'N �N r-- I ti ��'I CUIDE FOR Ili► RAP AT PIPE OUTLETS uoFTrl L�u1M� s; CONCwET! GRATED DROP INLET Type •a' lolr. L..w t+a pl IIEFI, a 10=0 IITATICII , i IxR. a 1TWgFpRIATII* 0 OIVIEipI a Mlolft IL' TI/lil ]p' Il1i C11fri1011 Cr NiwwYE 1 NME ROM, N.C. 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R %veil B3i1sr 3YD10wY1S 39YNI"a Noilr"Yory DRAINAGE STRUCTURE BTE10 m -1� o�oII o > �t r HvmZ O� > G1T - Fzx 0Uc. �1 i A BoQo Z. rt aZ > %>S >'BS %o z;�_ S� > q'� nzz.vTn 2 1 S 50 2 ~U� �yy zi" 2 m q W C z cT m H z z y Z N S o r A F u V ^ oy '" R I12 SUIT TRINITY ROAD L C O N n v QED 8g r,.���:,_ RDR CONCRETE PANT B SUITEIIO O` Z m ' a c 5IA o f RALEIGH, NC 27607 O D -: WESTERN WAKE FREEWAY T919.871.0800 ENGINEERING n m D S a 9 Z 'TT� _ y F 919.871.0803 v y M M = ` APEX, NORTH CAROLINA FALCONENGINEERS.COM O 8