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HomeMy WebLinkAbout20050651 Ver 1_Complete File_20050516?0F W A 7-F9p Michael F. Easley, Governor ?0 G William G. Ross Jr., Secretary r North Carolina Department of Environment and Natural Resources p -? Alan W. Klimek, P.E. Director Division of Water Quality July 14, 2006 DWQ EXP No. 05-0651 Franklin County CERTIFIED MAIL: RETURN RECEIPT REQUESTED State Employee Credit Union Attn: Mr. Robert Hall J 100 Wade Avenue 5 Raleigh, NC 27609 Subject Property: State Employee Credit Union - Louisburg EXPRESS REVIEW PROGRAlIi NOTIFICATION Dear Mr. Hall: On May 16, 2005, the Division of Water Quality (DWQ) approved your Storm Water Management Plan as required for the subject property. Within the approval letter, there is a condition that reads: Notification of Construction The applicant and/or authorized agent shall contact the DWQ Express Review Program in writing at the letterhead address within 10 days of the commencement of construction. This is a part of the Express Review Program that is required to ensure compliance during construction and post construction. Therefore, if you have begun construction on your property, you are required to notify this office in writing by July 25, 2006. If you do not notify this office in writing and construction has started, you are in violation of the Water Quality Certification Rules as required by 15A NCAC 2H.0507(c). This letter is to notify you and make you aware of this new condition that has been written into the Water Quality Regulations for projects issued within the Express Review Program. Please call Lia Myott at (919) 733-9502 if you have any questions regarding this matter. Sincerely, ?V-A? Cyndi Karoly, 401 Oversight/Express Review Permitting Unit CBK/1em cc: Mr. Tim Marks, Premier Communities, LLC, 3859 Battleground Ave., Greensboro, NC 27410 USACE, Raleigh Regulatory Field Office DWQ Raleigh Regional Office File Copy Central Files Filename: 050651 SECUS WMP(Frankl in)EXP+NOT 401 Oversight / Express Review Permitting Unit 1650 Mail Service Center, Raleigh, North Carolina 27699-1650 2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604 Phone: 919-733-1786 / FAX 919-733-6893 / Internet: http://h2o.enr.state.nc.us/ncwetlands None Carolina ?ttrrally An Equal Opportunity/Affirmative Action Employer - 50% Recycled/10% Post Consumer Paper ?0F WATF9Q Michael F. Easley, Governor ?0 G William G. Ross Jr., Secretary r North Carolina Department of Environment and Natural Resources p -? Alan W. Klimek, P.E. Director Division of Water Quality July 14, 2006 DWQ EXP No. 05-0651 Franklin County CERTIFIED MAIL: RETURN RECEIPT REQUESTED State Employee Credit Union Attn: Mr. Robert Hall 100 Wade Avenue Raleigh, NC 27609 Subject Property: State Employee Credit Union - Louisburg EXPRESS REVIEW PROGRARI NOTIFICATION Dear Mr. Hall: On May 16, 2005, the Division of Water Quality (DWQ) approved your Storm Water Management Plan as required for the subject property. Within the approval letter, there is a condition that reads: Notification of Construction The applicant and/or authorized agent shall contact the DWQ Express Review Program in writing at the letterhead address within 10 days of the commencement of construction. This is a part of the Express Review Program that is required to ensure compliance during construction and post construction. Therefore, if you have begun construction on your property, you are required to notify this office in writing by July 25, 2006. If you do not notify this office in writing and construction has started, you are in violation of the Water Quality Certification Rules as required by 15A NCAC 2H.0507(c). This letter is to notify you and make you aware of this new condition that has been written into the Water Quality Regulations for projects issued within the Express Review Program. Please call Lia Myott at (919) 733-9502 if you have any questions regarding this matter. Sincerely, ?? Iva-,- Cyndi Karoly, 401 Oversight/Express Review Permitting Unit CBK/lem cc: Mr. Tim Marks, Premier Communities, LLC, 3859 Battleground Ave., Greensboro, NC 27410 USACE, Raleigh Regulatory Field Office DWQ Raleigh Regional Office File Copy Central Files Filename: 050651 SECUS WMP(Frankl in)EXP+NOT 401 Oversight / Express Review Permitting Unit 1650 Mail Service Center, Raleigh, North Carolina 27699-1650 2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604 Phone: 919-733-1786 / FAX 919-733-6893 / Internet: http://h2o.enr.state.nc.us/ncwetlands Noy` Carolina Amorally An Equal Opportunity/Affirmative Action Employer- 50% Recycled/10°/o Post Consumer Paper F-IMA NCDENR North Carolina Department of Environment and Natural Resources Division of Water Quality Michael F. Easley, Governor William G. Ross, Jr., Secretary Alan W. Klimek, P.E., Director May 16, 2005 DWQ Project # EXP 05-0651 Franklin County Robert S. Hall 1000 Wade Avenue Raleigh, NC 27605 Subject Property: State Employees Credit Union, Louisburg [Parcel of Dixie Development Commercial Site, DWQ Project 04-08721 APPROVAL OF STORM WATER MANAGEMENT PLAN Dear Mr. Hall: The Division of Water Quality (DWQ) has reviewed the Storm Water Management Plan prepared by your engineer, Mr. D. Amos Clark, P.E., John R. McAdams Co., Inc. This Plan satisfies the conditions of the §401 Water Quality Certification issued to the Dixie Development Commercial Site on July 15, 2004. The structural storm water practices as approved by this Office as well as drainage patterns must be maintained in perpetuity. No changes to the structural storm water practices shall be made without written authorization from the Division of Water Quality. The storm water easements shall allow for the ability to maintain the structures, perform corrective actions as described above and shall provide protection of the structures from potential alternations by future property owners. One of the conditions of the Express Review Program is that the applicant and/or authorized agent shall contact the DWQ Express Review Program in writing at the letterhead address within 10 days of the commencement of construction. This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water Act. If you have any questions, please contact Cyndi Karoly at 919.9721 or Cynthia Van Der Wiele, Ph.D. at 919.715.3473. Sincerely, Cyndi Bell Karoly, Program Manager 401 Oversite, Express Review Program CBK/cvdw cc: USACE Raleigh Regulatory Field Office DWQ Raleigh Regional Office DLR Raleigh Regional Office File Copy Central Files D. Amos Clark, John R. McAdams Co., Inc., 2905 Meridian Pkwy., Durham, NC 27713 401 Wetlands Certification Unit 1650 Mail Service Center, Raleigh, North Carolina 27699.1650 One 2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604 NorthCarohna Phone: 919-733-1786/ FAX 919.733-6893/Internethttp://h2o.enr.state.nc.us/ncwetlands An Equal opportunity/Affirmative Action Employer- 50% Recycled/10% Post Consumer Paper Naturally p@ FMOWFM D -- THE JOHN R. MCADAMS Cq INC. DENR - 4"DATER QUALITY 1'X WDSANDSMUr AMIMW:Gi LETTER OF TRANSMITTAL To: Express Premit Review Program Date: May 12, 2005 NCDENR - Attn: Cynthia VanDer Wiele 3800 Barrett Drive Raleigh, North Carolina 27609 ** FEDERAL EXPRESS ** 919-571-4700 Re: State Employee Credit Union Louisburq, Franklin County Job No.: OBA-03030 I am sending you the following item(s): COPIES DATE NO. DESCRIPTION 3 Sets Bioretention Area Worksheet 3 Operation & Maintenance Agreement 1 Response to Comments 3 Sets 9 Site and Facility Design Plans These are transmitted as checked below: ? As requested ? ? For approval ? ® For review and comment ? Remarks: For your use Please call with any questions. Copy to: Keith Fenn Signed: Rafa E. Jimene , Jr., El Associate Project Manager FOR INTERNAL USE ONLY ? Copy Letter of Transmittal Only to File ® Copy Entire Document to File CIVIL ENGINEERING LAND PLANNING • SURVEYING PO Box 14005 • Research Triangle Park, NC 27709 • (919) 361-5000 • fax(919)361-2269 www.joh nrmcadams.com SECU LOUISBURG OBA-03030 Peak Water Draw Through Rate Q=KxAxdH/dL R.E. JIMENEZ JR., El 5/11/2005 4483 SF (Area) 1 in/hour (Infiltration Rate, Conservative Low Flow Assumption) A= K= DWQ Project No. DIVISION OF WATER QUALITY - BIORETENTION AREA WORKSHEET 1. PROJECT INFORMATION (please complete the following information): Project Name : State Employees Credit Union - Louisburg, North Carolina Contact Person: D. Amos Clark, PE Phone Number: (919) 361-5000 For projects with multiple basins, specify which basin this worksheet applies to: Permanent Pool Elevation 280.50 ft. (elevation of the orifice invert out) Temporary Pool Elevation 991 .50 ft. (elevation of the outlet structure invert in) Bioretention Surface Area 4 , 483 sq. ft. Drainage Area 2.41 ac. (on-site and off-site drainage to the basin) Impervious Area 1 -29 ac. (on-site and off-site drainage to the basin) Rational C Coefficient 0.7 Size % 7 % (either 5% in w/sand under drain or 7% in w/o) Inlet Velocity _ 11/5 fps Inlet flow depth 8/11 in Depth to Ground Water 6 ft. Planting Soil Infiltration Rate Min, 1 in./hr. (the soil layer down to 4 feet) In-Situ Soil Infiltration Rate .6 to 2 in./hr. (the soil layer below 4 feet or below the sand bed) II. REQUIRED ITEMS CHECKLIST Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for additional information ? •d will substantially delay final review and approval of the project. No vertical sand bed is proposed The bioretention area is at least 40 feet by 15 feet. NP Sheet flow is provided at inlet. Water table depth is greater than 6 feet. Minimum of 6" ponding is provided. The ponded area will draw down in less than 4 days. Planting soil infiltration rate is greater than 0.52 in/hr. The in-situ soil infiltration rate is greater than 0.2 in/hr. 199 A planting plan with species and densities is provided. Mulch layer is specified in plans. Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management Practices Manual, April 1999) Plan details for the bioretention area provided. Plan details for the inlet and outlet are provided. An operation and maintenance agreement signed and notarized by the responsible party is provided. Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains SEW LOUISBURG OBA-03030 Peak Water Draw Through Rate Q=KxAxdH/dL A= K= dH= dL= Q = 0.20 cfs Q = 716.03 ft3 /hr Peak Volume to Draw Down (V) _ R.E. JIMENEZ JR., El 5/11/2005 4483 SF (Area) 1 in/hour (Infiltration Rate, Conservative Low Flow Assumption) 2.3 ft (Height of Water) 1.2 ft (Thickness of Soil Above Drain) 18673 ft3 Time to Draw Down Peak Volume = 26 hours BIORETENTION' AREA OPERATION AND MAINTENANCE AGREEMENT 1. An example maintenance schedule is included with this agreement. 2. After every runoff producing rainfall event and at least monthly inspect the infiltration system for erosion, trash accumulation, vegetative cover, and general condition. 3. Repair eroded areas immediately and remove trash as needed. 4. After every runoff producing rainfall event and at least monthly inspect the bypass, inflow and overflow structures for blockage and deterioration. Remove any blockage and repair the structure to approved design specifications. 5. If the Division determines that the system is failing, the system will immediately be repaired to original design specifications. If the system cannot be repaired to perform its design function, other stormwater control devices as allowed by NCAC 2H .1000 must be designed, approved and constructed. I acknowledge and agree by my signature below that I am responsible for the performance of the five maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party. Print name and Title: James C. Blaine, President Address: 1000 Wade Avenue , Raleigh, NC 27605 Phone: [919)39-5000 Date: Signature 5/11/05 i a Notary Public for the State of North Carolina, County of r r`,"=, r rte; , do hereby certify that 1 i C " -) ((-, I. r -e- personally appeared before me this ? I ILI day of 20003 and acknowledge the due execution of the forgoing wet detention basin maintenance requirements. Witness my hand and official seal, kCr? S- _ -0 (? CGr SEAL My commission expires: J I L AMENDED FORM SNVU-103 Rev 3.99 STATE EMPLOYEES' CREDIT UNION LOUISBURG, NC Bioretention Area Operation & Maintenance Guidelines Planting Soil Care should be taken that the planting soil of the basin does not become overly acidic due to stormwater runoff. It is recommended that testing of the soil be conducted at least once or twice per year. Testing is to encompass pH measurements as well as heavy metal and toxin accumulation data. When soil pH exceeds an acidity of pH 5.5, limestone or another suitable alkaline agent should be added to the soil. Toxin laden soils should be removed and disposed of properly. The following table describes a typical maintenance schedule as recommended by the North Carolina Department of Environment and Natural Resources. Adherence to this schedule will prolong the operational life of the rain garden. Example Maintenance Schedule for Bioretention Areas Description Method Frequency Time of Year Soil Inspect and Repair Visual Monthly Monthly Erosion Organic La er Remulch any void area By hand Whenever needed Whenever needed Remove previous mulch By hand Once every two or Spring layer before applying new three years layer (optional) Any additional mulch By hand Once a year Spring added ' Plants Remove and replacement See planting Twice a year 3/15 to 4/30 and of all dead and diseased specifications 10/1 to 11/30 vegetation considered beyond treatment Treat all diseased trees Mechanical or N/A Varies, but will and shrubs by hand depend on insect or disease infestation Watering plant material By hand Immediately after N/A shall take place at the end completion of of each day for fourteen project consecutive days and after planting has been completed Replacement of support By hand Once a year Only remove stakes stakes in the s rin Replace any deficient By hand Whenever needed Whenever stakes or wires needed Since 1979 THE JOHN R. McADAMS COMPANY, INC. May 9, 2005 Ms. Cyndi Karoly DWQ Raleigh Regional Office Department of Environmental and Natural Resource Wetlands/401 Unit 2321 Crabtree Boulevard, Suite 250 Raleigh, North Carolina 27604-2260 Re: State Employees Credit Union, Louisburg Response to Comments - Express Review Program OBA-03030 Dear Ms. Karoly: Our responses to your comments are as follows: • Bio-retention Areas require a grass buffer strip (see p. 36 of the DENR Stormwater BMP Manual). It is unclear whether this has been included on your plans. Please indicate the location of the grass buffer strip. The bio-retention area was designed in accordance with Bill Hunt's guidelines as described in the document "Designing Rain Gardens" published by the North Carolina Cooperative Extension Service. These guidelines suggest consideration of buffer strips for gardens where high TSS loads are expected Consideration was given to a grass buffer strip. However, dire to space limitations, a buffer strip was determined to be unfeasible. • You are reminded of the necessity of sequencing the installation of Research Triangle Park, NC sediment and erosion control measures to minimize the contamination Post Office Box 14005 of the planting soil with silts and fines. Sediment controls must be Research Triangle Park, installed around the area to be disturbed before grading, and around North Carolina 27709 the bio-retention area before the excavation of the trench/pit for the 2905 Meridian Parkway planting soil. Sands and fines clog the planting soil and impair the Durham, North Carolina 27713 functions of the bio-retention cell. Please revise your Erosion Control 800.733-5646 919-361-5000 Notes and Construction Sequence to reflect these considerations. 919-361.2269 Fax Notes were added to address this specific concern: on both the Charlotte, NC erosion control sheets and the rain garden detail sheet 5311 Seventy-Seven Center Drive, Suite 66 Charlotte, North Carolina 28217 800-733-5646 704-527-0800 704-527-2003 Fax Comprehensive Land Development Design Services wvAv.johnrmcadams.com Mt help our clients sncceecl Since 1979 -- THE JOHN R. McADAMS COMPANY, INC. Ms. Cyndi Karoly May 9, 2005 Page Two Please indicate the Rational C Coefficient used for the Bio-retention design. The rain garden was designed to accommodate the first-flush volume as calculated using the Natural Resources Conservation Service Curve Number Method. Consequently, the Rational Method was not used in any design calculations. However, a composite Rational C of 0.7 would most closely reflect the drainage basin. Please indicate the size percentage (either 5% for bio-retention with sand under drain or 7% for bio-retention cells without sand under drain). Since the rain garden was designed for volume and not area, consideration was not given to size percentage. However, the surface area of the bio-retention area meets the 7% specification for cells without a sand filter. • Please indicate the inlet flow depth. The inlet flow depth is 8 inches at FES #1 (northeast) and 11 inches at FES #2 (southwest). • Please indicate the permanent pool elevation (i.e., the elevation of the orifice invert out). You are reminded that the ponding depth should not be greater than six inches. The bioretention area is typically dry. No permanent pool was provided. During rain events, the temporary pool reaches elevation 281.50 ft. This represents a ponding depth of 12 inches. This depth is Research Triangle Park, NC in accordance livith Bill Hunt's guidelines. The basin invert is at Post Office Box 14005 280.50 ft. Research Triangle Park, North Carolina 27709 . Planting details appear to be missing from your plan. Please provide 2905 Meridian Parkway the following: Durham. North Carolina 27713 800-733-5646 1. Planting schedule andspecifications see s• 55 and 63 s1s-361-sooo g ( pg )• 919-361-2269 Fax 2. Planting soil guidelines (see pgs. 56 and 62). 3. Mulch details (p. 58). Charlotte, NC 5311 Seventy-Seven Center Drive, Suite 66 Charlotte, North Carolina 28217 800-733-5646 704-527-0800 704-527.2003 Fax rrr,v.joh irmcadams.com Comprehensive Land Development Design Services M, help unr aliens sneceerl. Since 1979 -t- THE JOHN R. McADAMS COMPANY, INC. Ms. Cyndi Karoly May 9, 2005 Page Three 4. Maintenance guidelines (p.60). Please revise your Operation and Maintenance Agreement to reflect these guidelines. Said information is specified on the site landscaping plan (LA-4), the rain garden detail sheet (LA-8), or the last page of the design calculation boob • You have indicated that an under drain is provided. However, several details are missing. 1. Please indicate the drawdown period. 2. Please indicate the planting soil infiltration rate. 3. Please indicate the in-situ soil infiltration rate. Neither site soils nor the planting soils have been tested in order to estimate the infiltration rates. At best, only a conservative assumption can be used to convey the above information. Assuming the infiltration rate of the soils to be I inch per hour, the ponded volume will draw down in approximately 26 hours Please be advised that an accurate estimate of draw down time cannot be made without field tests oil the actual soils If you have any questions regarding these comments, do not hesitate to call me. Sincerely, HN R,.1cADAMS COMPANY, INC. Research Triangle Park, NC Post Office Box 14005 (((/// Research Triangle Park, Ra ael E. ime Jr., El North Carolina 27709 Associate Project Engineer 2905 Meridian Parkway Durham, North Carolina 27713 REJ/vew 800.733-5646 919.361.5000 919-361-2269 Fax Charlotte, NC 5311 Seventy-Seven Center Drive, Suite 66 Charlotte, North Carolina 28217 800-733-5646 704-527-0800 704-527.2003 Fax Comprehensive Land Development Design Services vA-,wJohnrmcadams.com Me he/p our e/iews suceee(L 2@@@flV@8 ?.,... MAY 1 3 Zoos LCY, INC. -- TIE JOHN R McADA WA3 9WATER WC LETTER OF TRANSMITTAL To: ExDress Premit Review Proaram DWQ Raleigh Regional Office -DENR 2321 Crabtree Boulevard, Suite 250 Raleigh, North Carolina 27604-2260 919-733-0203 Re: State Employee Credit Union Louisburg, Franklin County am sending you the following item(s): Keith Fenn COPIES DATE NO. DESCRIPTION 3 Sets Bioretention Area Worksheet 3 Operation & Maintenance Agreement 1 Response to Comments 3 Sets 9 Site and Facility Design Plans These are transmitted as checked below: ? As requested ? ? For approval ? ® For review and comment ? Remarks: For your use Please call with any questions. Copy to: Rafael E. Jimenez, Jr., El Associate Project Manager FOR INTERNAL USE ONLY ® Copy Letter of Transmittal Only to File ? Copy Entire Document to File CIVIL ENGINEERING - LAND PLANNING - SURVEYING PO Box 14005 - Research Triangle Park, NC 27709 - (919) 361-5000 - fax(919)361-2269 www.johnrmcadams.com Date: May 13, 2005 " HAND DELIVER "' Job No.: OBA-03030 Signed: Since 1)79 THE JOHN R. McADAMS COMPANY, INC. May 9, 2005 Ms. Cyndi Karoly DWQ Raleigh Regional Office Department of Environmental and Natural Resource Wetlands/401 Unit 2321 Crabtree Boulevard, Suite 250 Raleigh, North Carolina 27604-2260 Re: State Employees Credit Union, Louisburg Response to Comments - Express Review Program OBA-03030 Dear Ms. Karoly: Our responses to your comments are as follows: Bio-retention Areas require a grass buffer strip (see p. 36 of the DENR Stormwater BMP Manual). It is unclear whether this has been included on your plans. Please indicate the location of the grass buffer strip. The bio-retention area was designed in accordance with Bill Hunt's guidelines as described in the document "Designing Rain Gardens" published by the North Carolina Cooperative Extension Service. These guidelines suggest consideration of buffer strips for gardens where high TSS loads are expected Consideration was given to a grass buffer strip. However, due to space limitations, a buffer strip was determined to be unfeasible. • You are reminded of the necessity of sequencing the installation of Research Triangle Park, NC sediment and erosion control measures to minimize the contamination Post Office Box 14005 of the planting soil with silts and fines. Sediment controls must be Research Triangle Park, installed around the area to be disturbed before grading, and around North Carolina 27709 the bio-retention area before the excavation of the trench/pit for the 2905 Meridian Parkway planting soil. Sands and fines clog the planting soil and impair the Durham, North Carolina 27713 functions of the bio-retention cell. Please revise your Erosion Control 800-733-50 919-361.50000 0 Notes and Construction Sequence to reflect these considerations. 919-361-2269 Fax Notes livere added to address this specific concern on both the Charlotte, NC erosion control sheets and the rain garden detail sheet. 5311 Seventy-Seven Center Drive, Suite 66 Charlotte, North Carolina 28217 800-733-5646 704-527-0800 704-527-2003 Fax Comprehensive Land Development Design Services wvnv.johnrmcadams.com lt'e hell? ow- (*ellts swvc(etL Since 1979 THE JOHN R. McADAMS COMPANY, INC. Ms. Cyndi Karoly May 9, 2005 Page Two • Please indicate the Rational C Coefficient used for the Bio-retention design. The rain garden was designed to accommodate the first flush volume as calculated using the Natural Resources Conservation Service Curve Number Method Consequently, the Rational Method was not used in any design calculations However, a composite Rational C of 0.7 would most closely reflect the drainage basin. • Please indicate the size percentage (either 5% for bio-retention with sand under drain or 7% for bio-retention cells without sand under drain). Since the rain garden was designed for volume and not area, consideration was not given to size percentage. However, the surface area of the bio-retention area meets the 7% specification for cells without a sand filter. • Please indicate the inlet flow depth. The inlet flow depth is 8 inches at FES #1 (northeast) and 11 inches at FES #2 (southwest). • Please indicate the permanent pool elevation (i.e., the elevation of the orifice invert out). You are reminded that the ponding depth should not be greater than six inches. The bioretention area is typically dry. No permanent pool was provided During rain events, the temporary pool reaches elevation 281.50 ft. This represents a ponding depth of 12 inches. This depth is Research Triangle Park, NC in accordance with Bill Hunt's guidelines The basin invert is at Post Office Box 14005 280 50 ft: Research Triangle Park, North Carolina 27709 • Planting details appear to be missing from your plan. Please provide 2905 Meridian Parkway the following: Durham, North Carolina 27713 800-733-5646 1. Planting schedule ands specifications see s 55 and 63 919-361-5000 +? 1? ( pg )' 919-361-2269 Fax 2. Planting soil guidelines (see pgs. 56 and 62). 3. Mulch details (p. 58). Charlotte, NC 5311 Seventy-Seven Center Drive, Suite 66 Charlotte, North Carolina 28217 800-733-5646 704-527-0800 704-527-2003 Fax Comprehensive Land Development Design Services wrvwjohnrmcadams.com It'N /w/p ntn-(W(vits srrrcc'PCL SlI1 -e 1979 == J THE JOHN R. McADAMS COMPANY, INC. Ms. Cyndi Karoly May 9, 2005 Page Three 4. Maintenance guidelines (p.60). Please revise your Operation and Maintenance Agreement to reflect these guidelines. Said information is specified on the site landscaping plait (LA-4), the rain garden detail sheet (LA-8), or the last page of the design calculation boob • You have indicated that an under drain is provided. However, several details are missing. 1. Please indicate the drawdown period. 2. Please indicate the planting soil infiltration rate. 3. Please indicate the in-situ soil infiltration rate. Neither site soils nor the planting soils have been tested in order to estimate the infiltration rates At best, only a conservative assumption can be used to convey the above information. Assuming the infiltration rate of the soils to be 1 inch per hour, the ponded volume will draw down in approximately 26 hours. Please be advised that an accurate estimate of draw down time cannot be made without field tests oil the actual soils If you have any questions regarding these comments, do not hesitate to call me. Sincerely, THE J HN R. McADAMS COMPANY, INC. Research Triangle Park, NC Post Office Box 14005 Research Triangle Park, Rafael El North Carolina 27709 Associate Pjeengineer 2905 Meridian Parkway Durham, North Carolina 27713 REJ/vew 800-733-5646 919-361-5000 919-361.2269 Fax Charlotte, NC 5311 Seventy-Seven Center Drive, Suite 66 Charlotte, North Carolina 28217 800-733-5646 704-527-0800 704-527-2003 Fax Comprehensive Land Development Design Services wrnv.johnrmcadams.com Ile help om- clients succeetL DWQ Project No DIVISION OF WATER QUALITY • BIORETENTION AREA WORKSHEET 1. PROJECT INFORMATION (please complete the following information): Project Name : State Employees Credit Union - Louisburfr, North Carolina Contact Person: D. Amos Clark, PE Phone Number: (919) 361-5000 For projects with multiple basins, specify which basin this worksheet applies to: Permanent Pool Elevation 280.50 ft. (elevation of the orifice invert out) Temporary Pool Elevation 281.50 ft. (elevation of the outlet structure invert in) Bioretention Surface Area 4 , 483 sq. ft. Drainage Area 2.41 ac. (on-site and off-site drainage to the basin) Impervious Area 1 .29 ac. (on-site and off-site drainage to the basin) Rational C Coefficient 0.7 Size % 7 % (either 5% in w/sand under drain or 7% in w/o) Inlet Velocity _ 11/5 fps Inlet flow depth 8/11 in Depth to Ground Water 6 ft. Planting Soil Infiltration Rate Min . 1 in./hr. (the soil layer down to 4 feet) In-Situ Soil Infiltration Rate ,6 to 2 in./hr. (the soil layer below 4 feet or below the sand bed) II. REQUIRED ITEMS CHECKLIST Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for additional information t d will substantially delay final review and approval of the project. No vertical sand bed is proposed The bioretention area is at least 40 feet by 15 feet. Sheet flow is provided at inlet. Water table depth is greater than 6 feet. Minimum of 6" ponding is provided. The ponded area will draw down in less than 4 days. Planting soil infiltration rate is greater than 0.52 in/hr. The in-situ soil infiltration rate is greater than 0.2 in/hr. 49 A planting plan with species and densities is provided. Mulch layer is specified in plans. Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management Practices Manual, April 1999) Plan details for the bioretention area provided. Ifo Plan details for the inlet and outlet are provided. An operation and maintenance agreement signed and notarized by the responsible party is provided. Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains SECU LOUISBURG OBA-03030 Peak Water Draw Through Rate Q=KxAxdH/dL A= K= dH= dL= Q = 0.20 cfs Q = 716.03 ft3 /hr Peak Volume to Draw Down (V) _ R.E. JIMENEZ JR., El 5/13/2005 4483 SF (Area) 1 in/hour (Infiltration Rate, Conservative Low Flow Assumption) 2.3 ft (Height of Water) 1.2 ft (Thickness of Soil Above Drain) 18673 ft3 Time to Draw Down Peak Volume = 26 hours BIORETENTION AREA OPERATION AND MAINTENANCE AGREEMENT 1. An example maintenance schedule is included with this agreement. 2. After every runoff producing rainfall event and at least monthly inspect the infiltration system for erosion, trash accumulation, vegetative cover, and general condition. 3. Repair eroded areas immediately and remove trash as needed. 4. After every runoff producing rainfall event and at least monthly inspect the bypass, inflow and overflow structures for blockage and deterioration. Remove any blockage and repair the structure to approved design specifications. 5. If the Division determines that the system is failing, the system will immediately be repaired to original design specifications. If the system cannot be repaired to perform its design function, other stormwater control devices as allowed by NCAC 2H .1000 must be designed, approved and constructed. I acknowledge and agree by my signature below that I am responsible for the performance of the five raintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party. Print name and Title: _ James C. Blaine, President Address: 1000 Wade Avenue Raleigh NQ 27605 Phone: (919-)-23 -5000 Date: 5 / 11 /05 Signature 1. a Notary Public for the State of North Carolina, County of ...'ir-?i r *? f•. ---- , do hereby certify that (( /Yk1 /?- personally appeared before me this i 1 it) day of 200(5 and acknowledge the due execution of the forgoing wet detention basin maintenance requirements. Witness my hand and official seal, SEAL My commission expires: J 1 L_ ( AMENDED FORM SWU-103 Rev 3.99 ?0F W ATF9Q Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources > av. O .? Alan W. Klimek, P.E. Director Division of Water Quality May 5, 2005 DWQ EXP No. 05-0651 Franklin County CERTIFIED MAIL: RETURN RECEIPT REQUESTED Robert Hall 1000 Wade Avenue Raleigh, NC 27605 Subject Property: State Employees' Credit Union, Louisburg REQUEST FOR MORE INFORMATION-EXPRESS REVIEfV PROGRAM Dear Mr. Hall: On May 5, 2005, the Division of Water Quality (DWQ) received your stormwater management plan application dated April 29, 2005. The DWQ has determined that your application is incomplete and/or provided inaccurate information as discussed below. The DWQ will require additional information in order to process your application to comply with the conditions?of the 401 Water Quality Certification. Please provide the following information so that we may continue to review your project. Additional Information: • Bio-retention Areas require a grass buffer strip (see p. 36 of the DENR Stormwater BMP Manual). It is unclear whether this has been included on your plans. Please indicate the location of the grass buffer strip. • You are reminded of the necessity of sequencing the installation of sediment and erosion control measures to minimize the contamination of the planting soil with silts and fines. Sediment controls must be installed around the area to be disturbed before grading, and around the bio-retention area before the excavation of the trench/pit for the planting soil. Sands and fines clog the planting soil and impair the functions of the bio-retention cell. Please revise your Erosion Control Notes and Construction Sequence to reflect these considerations. • Please indicate the Rational C Coefficient used for the Bio-retention design. • Please indicate the size percentage (either 5% for bio-retention with sand under drain or 7% for bio-retention cells without sand under drain). • Please indicate the inlet flow depth. • Please indicate the permanent pool elevation (i.e., the elevation of the orifice invert out). You are reminded that the ponding depth should not be greater than six inches. • Planting details appear to be missing from your plan. Please provide the following: 1. Planting schedule and specifications (see pgs. 55 and 63). 2. Planting soil guidelines (see pgs. 56 and 62). 3. Mulch details (p. 58). 4. Maintenance guidelines (p. 60). Please revise your Operation and Maintenance Agreement to reflect these guidelines. 401 oversight/ Express Review Permitting Unit 1650 Mail Service Center, Raleigh, North Carolina 27699-1650 2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604 Phone: 919.733.1786 /FAX 919.733-6893 / Internet: htto://h2o.enr,state.nc.us/ncwetlands One N Carolina aturally An Equal Opportunity/Affirmative Action Employer - 50% Recycled/l0% Post Consumer Paper SECU Louisburg Page 2 of 2 May 5, 2005 You have indicated that an under drain is provided. However, several details are missing. 1. Please indicate the drawdown period. 2. Please indicate the planting soil infiltration rate. 3. Please indicate the in-situ soil infiltration rate. Please respond within three (3) days of the date of this letter by sending three copies of this information to me. The Express Review Program is a process that requires all parties to participate in a timely manner. If the DWQ feels the Express Review Program is the incorrect review program for your project, then we may have to return your application and have it reviewed through our regular 401 Water Quality Certification Program. This letter only addresses the application review and does not authorize any impacts to wetlands, waters or protected buffers. Please be aware that any impacts requested within your application are not authorized (at this time) by the DWQ. Please call Cynthia Van Der Wiele at (919) 715-3473 if you have any questions regarding or would like to set up a meeting to discuss this matter. Sincerely, ti ,fo"'A Cyndi Karoly, 401 Oversight/Express Review Permitting Unit CBK/cvdw cc: DWQ Raleigh Regional Office D. Amos Clark, John R. McAdams Co., Inc., 2905 Meridian Pkwy., Durham, NC 27713 File Copy Central Files Filename: 050651 SECU(Franklin)EXP+ho Id SENDING CONFIRMATION DATE MAY-5-2005 THU 10:21 NAME DWQ-WETLANDS TEL 9197336893 PHONE : 98395353 PAGES : 3/3 START TIME : MAY-05 10:20 ELAPSED TIME : 01, 001, MODE : ECM RESULTS : OK FIRST PAGE OF RECENT DOCUMENT TRANSMITTED... NCDENR North Carolina Department of Environment and Natural Resources Division of Water Quality F.L;,FyI=, Ea;l:y, G71.mor :VIIIam3. HJSS.Jr. cKra'.arc Ala- W. Kli,,ek, Y.L, U r-Czx EXPRESS PERMIT REVIEW PROGRAM Division of Water Quality Department of Environmental and Natural Resources 1Vetlands/401 Unit Mart Addrrst: t11a11ing Addrm: Contact Information: 1321 C, k, '. no,.lr'ea-J. SuF.: 250 Rai^I?h. NC . 7(4M-'.260 16-SU Mad Service Ccctcr F" lane I: 919-,'A3-0:1)3 1'ac ft: 919-1334ih93 Fax To: Ruhert 11011 Fax #: 939.5353 Amos Clark 361 2269 Subject: State Empluyecs Credit Union, Louisburg Date: A }+iF}H-?{Y}om 01,v r5 Number of pages including corer sbect: 2- ?) J- dotes or special instructions: AdCii I, A' i 7r+ Fd . r Ce 3f.? I We have uccrptrd yaw pwjed mto L'yoaes R-i-. }de.. a tend plays nu early than \lav 2. U)05. Ilie onginv..., Cl :x cot ir'Fe read. If yuu t.a%c yucsuun? } Jura e,11 Dehbre. F 1%nr& , t 919-73)-95:12 or Cynd,.ia Van Dcr %I ie:e 21919 115 3473. 'LL'Y'$,nnG,rf•, .?/ant NCl^Cr'Ae S: R!?,.fJ Dne Nnrt hC I :R,G-xM?vr..n i?+: vi, c,r<,. r.ar u-+s ;3?if afD Ilia YI<vr 91>:,1,,10rf0Ax,Y?ArEN.mfrtM;VW.b•+,rm,..:.rr,.r,?,+:"l'1YV'.L• ,i1?/rfirra!!J M Hi QFfe'1':IFm'. rf fatm fre4r•r -!:'?. IRIS aLL'(S ?\utw vr?Vi,r SENDING CONFIRMATION DATE MAY-5-2005 THU 10:19 NAME DWQ-WETLANDS TEL 9197336893 PHONE : 93612269 PAGES : 3/3 START TIME : MAY-05 10:18 ELAPSED TIME : 00'33" MODE : ECM RESULTS : OK FIRST PAGE OF RECENT DOCUMENT TRANSMITTED... NCDENR North Carolina Department of Environment a Division of Water Quality .'Ainhael 7as'ny,tinvn- nd Natural Resources Wiviin, s;. noxP,.lr.. 5w:mt4N Alan W. K?i-*, P r.. p rrrrnr EXPRESS PERMIT REVIEW PROGRAM Division of Water Quality Department of Environmental and Natural Resources Wellands/401 Unit Street Addrraw: 23.'.1 Crabnn,•. B""I-md. S'. to ?.50 Rninirh, NC ::7(AW-':?GO Mailirtµ Address: 1650 Marl SClvlce Ccntrr Ralntph, NC' 276911-165() 1'011lact Information: Phony. tl: 919-133-010.1 has ft: 919-!33-6891 Fax To: Robert hall Fax #: 339.5353 Aims Clark 361,2269 Subject: Static Eny,luyees Credit IWon, Louisburg Date: ,AFwi +4;iHN3- Yna Nutnber of pages inetodinp cover sheet: 2 6 Notes or ypecint imstrrleliutty: /I tv CL' P" i r . $ . of C.d? . WQ have accepled you. proleri into E'jY'as Review-, pleasr nand plans no early Owl May 2. 2005. Tho original will be sent in the mail. Tf you have questions please call Debbie Ed,canls :u 919-733-950? or Cv'nthia Van Tk, Wielr :n 919.715-147 .15n r.N I MNrn Cm«r, o,Yb1 Nr<M C.•]Ih. ?IAP>r(ti T)af. stir car'« a IM.", s;o P.kgK Nm, amMa :'6v N{t?t it ?-8t 1)??11A rrsn P•o-rx , '.vau!axn:??u,m. nur.ar?<or,..rvr<..w,<.•-m ? I in. grrurMAm'.arv• -- [? -sPx rM<.,+>,e'?.rti P, 1 D E R North Carolina Department of Environment and Natural Resources Division of Water Quality Michael F. Easley, Governor William G. Ross, Jr., Secretary Alan W. Klimek, P.E., Director EXPRESS PERMIT REVIEW PROGRAM Division of Water Quality Department of Environmental and Natural Resources Wetlands/401 Unit Street Address: 2321 Crabtree Boulevard, Suite 250 Raleigh, NC 27604-2260 Mailing Address: 1650 Mail Service Center Raleigh, NC 27699-1650 Contact Information: Phone #: 919-733-0203 Fax #: 919-733-6893 Fax To: Robert Hall Fax #: 839.5353 Amos Clark 361.2269 Subject: State Employees Credit Union, Louisburg Date: April-1-8-,2005- Number of pages including cover sheet: Notes or special instructions: A d di ? wle? in V ill,ee We have accepted your project into Express Review; please send plans no early than May 2, 2005. The original will be sent in the mail. If you have questions please call Debbie Edwards at 919-733-9502 or Cynthia Van Der Wiele at 919-715-3473. 401 Wetlands Certification Unit 1650 Mail Service Center, Raleigh, North Carolina 27699-1650 One 2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604 North Carolina Phone: 919-733-1786/ FAX 919-733-6893/ Internet: hup://h2o.cnr.statc.ne.us/nc\?cilands ;Va&n71111 An Equal Opportunity/Affirmative Action Employer - 500% Recyc!ed/10°o Post Consumer Paper o5 oto5l --• TBE JOHN R. McADAMS COMPANY, INC. LETTER OF TRANSMITTAL To: Express Premit Review Program Date NCDENR 3800 Barrett Drive Raleigh, North Carolina 27609 919-571-4700 Re: State Employee Credit Union Louisburg, Franklin County I am sending you the following item(s): COPIES DATE NO. DESCRIPTION 3 4/29/05 Stormwater Management Plan Application 3 4/29/05 Stormwater Narrative 3 4/29/05 Site and Facility Design Plans 1 4/29/05 Operation & Maintenance Agreement 1 4/14/05 #13906 Check $2,000.00 These are transmitted as checked below: ? As requested ? ? For approval ? ® For review and comment ? Remarks: For your use Please call with anv ouestions. Copy to Keith Fenn 4 CS'-r April 29, 2005 k" 1 FEDERAL EXPRESS ?l =J Job No.: OBA-03030 n? ti1(fJ111C- Q? l/!? Signed: R6f4l E. Jimenez, l ., El ! Associate Project Manager FOR INTERNAL USE ONLY ? Copy Letter of Transmittal Only to File ® Copy Entire Document to File CIVIL ENGINEERING - LAND PLANNING - SURVEYING PO Box 14005 - Research Triangle Park, NC 27709 - (919) 361-5000 - fax(919)361-2269 =vv.johnrmcadams.com D5 O los I OFFICE USE ONLY Date Received Fee Paid Permit Number(s) State of North Carolina Department of Environment and Natural Resources Division of Water Quality 401/ Wetlands Unit EXPRESS REVIEW PROGRAM STORMWATER MANAGEMENT APPLICATION FORM This form may be photocopied for use as an original 1. GENERAL INFORMATION ,'••?? 1. APPlicanVs name (specify the name of the corPoration individual etc. who owns the project): State Employees' Credit Union 2. Owner/Signing Official's name and title (person legally responsible for facility and compliance): Robert Hall 3. Owner Mailing Address for person listed in item 2 above: 1,1000 Wade Avenue City: Raleigh State: NC Zip: 27605 Phone Number: (919 ) 839-5000 Fax Number: ( 919 )839-5353 Email Address: 4. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): State .Employees' Credit Union- Louisburg, NC 5. Location of Project (street address): Corner of US 401 and proposed Burke Boulevard. City: Louisburg- NC County: Franklin 6. Directions to project (from nearest major intersection): Directly southeast of the intersection of US 401 and NC 56 7. Latitude: 36004'55" Longitude: 78018158" IV of project 8. Contact person who can answer questions about the project: Name: D. Amos Clark, PE Telephone Number: ( 919 ) 361-5000 Fax Number: (919) 361-2269 Email Address: II. PERMIT INFORMATION: 1. Specify whether project is (check one): X New Renewal Modification 9/2004 Version 1.0 Page 1 of 4 2. If this application is being submitted as the result of a renewal or modification to an existing permit, list the existing permit number and its issue date (if known) 3. Specify the type of project (check one): Low Density High Density Redevelopment X General Permit Other 4. Additional Project Requirements (check applicable blanks): _CAMA Major Sedimentation/Erosion Control X 404/401 Permit _NPDES Stormwater Other Information on required state permits can be obtained by contacting the Customer Service Center at 1-877-623-6748. III. PROJECT INFORMATION 1. In the space provided below, summarize how stormwater will be treated. Also attach a detailed narrative (one to two pages) describing Stormwater management for the project. Site runoff will be directed to 'a bioretention area. 2. Stormwater runoff from this project drains to the Tar River basin. 3. Total Project Area: 2.5 acres 4. Project Built Upon Area: 52 % 5. How many drainage areas does the project have? 1 6. Complete the following information for each drainage area. If there are more than two drainage areas in the project, attach an additional sheet with the information for each area provided in the same format as below. Basin Information Drainage Area 1 Drainage Area 2 Receiving Stream Name Tar River Receiving Stream Class IVS-V NSW Drainage Area 2.41 ac Existing Impervious* Area p Proposed Impervious*Area 1.29 ac % Impervious* Area (total) 520-, Impervious* Surface Area Drainage Area 1 Drainage Area 2 On-site Buildings On-site Streets On-site Parking On-site Sidewalks Other on-site Off-site 0 Total: 1.29 ac Total: Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc. 9/2004 Version 1.0 Page 2 of 4 7. How was the off-site impervious area listed above derived? N/A IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS The following italicized deed restrictions and protective covenants are required to be recorded for all subdivisions, outparcels and future development prior to the sale of any lot. If lot sizes vary significantly, a table listing each lot number, size and the allowable built-upon area for each lot must be provided as an attachment. 1. The following covenants are intended to ensure ongoing compliance with state riparian buffer authorization: or General Certification numbers as issued by the Division of water Quality. These covenants may not be changed or deleted without the consent of the State. 2. No more than _ 56,192 square feet of any lot shall be covered by structures or impervious materials. Impervious materials include asphalt, gravel, concrete, brick stone, slate or similar material but do not include wood decking or the water surface of swimming pools. 3. Swales shall not be filled in, piped, or altered except as necessary to provide driveway crossings. 4. Built-upon area in excess of the permitted amount requires a modified water quality certification prior to construction. 5. All permitted runoff from outparcels or f uture development shall be directed into the permitted storm water control system. These connections to the stormwater control system shall be performed in a manner that maintains the integrity and performance of the system as permitted. By your signature below, you certify that the recorded deed restrictions and protective covenants for this project shall include all the applicable items required above, that the covenants will be binding on all parties and persons claiming under them, that they will run with the land, that the required covenants cannot be changed or deleted without concurrence from the State, and that they will be recorded prior to the sale of any lot. V. SUPPLEMENT FORMS The applicable stormwater management supplement form(s) listed below must be submitted for each BMP specified for this project. The forms are located on the 401/wetlands unit website. Bioretention Worksheet Dry Detention Worksheet Level Spreader Worksheet Grassed Swale Worksheet Extended Detention Wetland / Pocket Wetland Worksheet Wet Detention Worksheet 9/2004 Version 1.0 Page 3 of 4 VI. SUBMITTAL REQUIREMENTS Only complete application packages will be accepted and reviewed by the Division of Water Quality (DWQ). A complete package includes all of the items listed below. The complete application package should be submitted to the DWQ Central Office. Please indicate that you have provided the following required information by initialing in the space provided next to each item. Initals • Original and two copies of the Express Review Stormwater Management Application ?fp • Signed and notarized Operation and Maintenance Agreement • Three copies of the applicable Supplement Form(s) for each BMP • Application processing fee (payable to NCDENR) • Detailed narrative description of stormwater treatment/management • Three copies of plans and specifications, including: - Development/Project name - Engineer and firm - Legend - North arrow - Scale - Revision number & date - Mean high water line - Dimensioned property/project boundary - Location map with named streets or NCSR numbers - Original contours, proposed contours, spot elevations, finished floor elevations - Details of roads, drainage features, collection systems, and stormwater control measures - Wetlands and streams delineated, or a note on plans that none exist - Existing drainage (including off-site), drainage easements, pipe sizes, runoff calculations - Drainage areas delineated - Vegetated buffers (where required) VII. AGENT AUTHORIZATION If you wish to designate authority to another individual or firm so that they may provide information on your behalf, please complete this section. Designated agent (individual or firm): The John R. McAdams Company Inc Mailing Address: PO Box 14005 City: Research Triangle Park State: NC Zip: 27709 Phone: ( 919 ) 361-5000 Fax: ( 919 ) 361-2269 VIII. APPLICANT'S CERTIFICATION I, (print or type name of person listed in General Information, item 2) Robert S. Hall certify that the information included on this application form is, to the best of my knowledge, correct and that the project will be constructed in conformance wit4 he approved plans, that the required deed restrictions and protective covenants will be recorded, and that the proposed ptiect complies with the requirements of 15A NCAC 2H.1000 Date: .3 ) 1 ? (0 -s' 9/2004 Version 1.0 Page 4 of 4 DWQ Project DIVISION OF WATER QUALITY - BIOREfENTION AREA WORKSHEET 1. PROJECT INFORMATION (please complete the following information): Project Name: State Employees' Credit Union- Louisburg. NC Contact Person: D. Amos Clark- PE Phone Number: (919) 361-5000 For projects with multiple basins, specify which basin this worksheet applies to: Permanent Pool Elevation N/A ft. (elevation of the orifice invert out) Temporary Pool Elevation 281.50 ft. (elevation of the outlet structure invert in) Bioretention Surface Area 4 , 4 8 3 sq. ft. Drainage Area 2.41 ac. (on-site and off-site drainage to the basin) Impervious Area 1.29 ac. (on-site and off-site drainage to the basin) Rational C Coefficient S C S C N = 90 Size % N/A % (either 5% in wlsand under drain or 7% in wlo) Inlet Velocity 9 fps Inlet flow depth - in Depth to Ground Water Underdrain Providedt. Planting Soil Infiltration Rate Underdrain Prn viid&d (the soil layer down to 4 feet) In-Situ Soil Infiltration Rate Underdrain Provide.tllr. (the soil layer below 4 feet or below the sand bed) REQUIRED ITEMS CHECKLIST Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for additional information and will substantially delay final review and approval of the project. A lican nitials No vertical sand bed is proposed The bioretention area is at least 40 feet by 15 feet. Sheet flow is provided at inlet. Underdrain r- ater table depth is greater than 6 feet. Minimum of 6" ponding is provided. Underdrain Provided The ponded area will draw down in less than 4 days. Underdrain Provided Planting soil infiltration rate is greater than 0.52 in/hr. Underdrnin The in-situ soil infiltration rate is greater than 0.2 inlhr. A planting plan with species and densities is provided. Mulch layer is specified in plans. Planting soil meets minimum soil specifications (NCDENR Stormwater Best Managemenj , Practices Manual, April 1999) Plan details for the bioretention area provided. Plan details for the inlet and outlet are provided. An operation and maintenance agreement signed and notarized by the responsible party is provided. Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains BIORETENTION AREA OPERATION AND MAINTENANCE AGREEMENT 1, After every runoff producing rainfall event and at least monthly inspect the infiltration system for erosion, trash accumulation, vegetative cover, and general condition. 2. Repair eroded areas immediately and remove trash as needed. 3. After every runoff producing rainfall event and at least monthly inspect the bypass, inflow and overflow structures for blockage and deterioration. Remove any blockage and repair the structure to approved design specifications. 4. If the Division determines that the system is failing, the system will immediately be repaired to original design specifications. If the system cannot be repaired to perform its design function, other stormwater control devices as allowed by NCAC 2H .1000 must be designed, approved and constructed. I acknowledge and agree by my signature below that I am responsible for the performance of the five maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party. Print name and Title: Robert Hall Address: Phone: Signature I, . L ti on ? f CL. -) S -e- , a Notary Public for the State of North Carolina, County of (A ? c,_l, -e , do hereby certify that }A . 5 . )i c l personally appeared before me this 3 day of , , , 2009,5 and acknowledge the due execution of the forgoing wet detention basin maintenance req irements. Witness my hand and official seal, SEAL My commission expires: AMENDED FORM SWU-103 Rev 3.99 STATE EMPLOYEES' CREDIT UNION LOUISBURG, NC Bioretention Area Operation & Maintenance Guidelines Plan-- tine Soil Care should be taken that the planting soil of the basin does not become overly acidic due to stormwater runoff. It is recommended that testing of the soil be conducted at least once or twice per year. Testing is to encompass pH measurements as well as heavy metal and toxin accumulation data. When soil pH exceeds an acidity of pH 5.5, limestone or another suitable alkaline agent should be added to the soil. Toxin laden soils should be removed and disposed of properly. The following table describes a typical maintenance schedule as recommended by the North Carolina Department of Environment and Natural Resources. Adherence to this schedule will prolong the operational life of the rain garden. Example Maintenance Schedule for Bioretention Areas Description Method Frequency Time of Year Soil Inspect and Repair Visual 1 Monthly 1 Monthly Erosion - Organic La er Remulch any void area By band Whenever needed Whenever needed Remove previous mulch By hand Once every two or Spring layer before applying new three years layer (optional) Any additional mulch By hand Once a year Spring added Plants Remove and replacement See planting Twice a year 3/IS to 4/30 and of all dead and diseased specifications 10/1 to 11/30 vegetation considered beyond treatment Treat all diseased trees Mechanical or N/A Varies, but will and shrubs by hand depend on insect or disease infestation Watering plant material By hand Immediately after N/A shall take place at the end completion of of each day for fourteen project consecutive days and after planting has been completed Replacement of support By hand Once a year Only remove stakes stakes in the spring Replace any deficient By hand Whenever needed Whenever stakes or wires needed Ds oIoS 1 ?- - ? incc' I fs '_= y THE JOHN R. McADAMS COMPANY, IINC- STATE EMPLOYEES' CREDIT UNION J L LOUISBURG, N. C. FINAL DESIGN OF BIORETENTION AREA RFM@20WrN P OBA-03030 MAY 5 2005 OEUR - WATER QUAUTY Vi-E .h1 W M'D STO,TS VER E.W.V1 Research Triangle Park, HC Post Office Box 14005 Research Triangle Park, North Carolina 27709 2905 Meridian Parkway Durham, North Carolina 27713 800-733-5646 919-361.5000 919.361.2269 Fax Charlotte, HC 5311 Seventy-Seven Center Drive, Suite 66 Chary forth Carolina 28217 8001W6 704 10 704-527-2003 Fax www;ohnrmcadams.com Designed by: Rafael E. Jimenez Jr., El Associate Project Engineer Checked by: D. Amos Clark, PE Director-Stormwater Management Group Comprehensive Land Development Design Services lt'e help our clients succeed, ?.2AL 5? ?} J5 3. .,? I'UVa•-J. tip. ? ,r ? STATE EMPLOYEES' CREDIT UNION • LOUISBURG, NC Final Design of Bioretention Area Proiect Description and Summary This document addresses stormwater impacts for the proposed commercial development of a State Employees' Credit Union building. The site is located at the intersection of NC 56 and US 401 in Louisburg, North Carolina. Proposed development on this site consists of a commercial building along with associated parking and drive aisles. A bioretention area was designed to function as the site's stormwater management facility. The proposed SECU site is a parcel of the Dixie Development Commercial Site draining to the Tar River Basin; a WS-V Nutrient Sensitive Water. The overall development was granted a state 401 Water Quality Certification and Authorization Certificate under condition that individual sites provide a stormwater management plan. Said plan must demonstrate 85% total suspended solids (TSS) removal for stormwater runoff exiting the site. Removal is to be via an approved NCDENR Stormwater Best Management Practice. The bioretention area proposed herein was designed in accordance with approved NCDENR standards. The state assumes that when bio-retention areas are designed, constructed and maintained properly, they will provide at least this standard of pollutant removal. The bioretention basin was sized to capture and treat the "first flush" of runoff from a 1" rainfall over the SECU site. This volume of water is assumed to contain the highest concentration of pollutants. The first flush volume is captured in the bioretention area (also known as a rain garden) and allowed to infiltrate into the soil. This process employs ® the rain garden plants and soil matrix in pollutant removal via absorption, microbial action, plant uptake, sedimentation and filtration (Designing Rain Gardens, Bill Hunt). Water flow in excess of the first flush is allowed to bypass treatment by way of a standard NCDOT drop inlet and grate. Additionally, when properly maintained, bioretention areas provide the added benefit of appearing as a natural component of the surrounding landscape. The planting plan provided for this rain garden was chosen for pollutant removal as well as aesthetic enhancement. Methodology: • The proposed site was determined to contain primarily HSG B soils from investigation of the Franklin County Soil Survey Sheet #10. An exhibit detailing this information has been included in this report. • The Natural Resources Conservation Service Curve Number Method was used to size the rain garden basin. The precipitation (P) used was 1 inch, with the Curve Number (CN) for directly connected impervious surfaces set at 98. Open areas were given a CN of 61, which assumes good open conditions in Hydrologic Group B soils. • Site topography was provided to The John R. McAdams Company, Inc. by O'Brien Atkins Associates P.A. 0 • The bio-retention area was designed in accordance with the guidelines provided • within the manual titled "Stormwater Best Management Practices " (April 1999) by NCDENR - Division of Water Quality. This analysis also uses design guidance provided by the North Carolina State University Stormwater BMP Academy held on October 7, 2003. • Details for the overflow structure of the rain garden are provided from Standard NCDOT Concrete Drop Inlet English Drawings. • The planting schematic for the rain garden is included on the construction drawing. Soil specifications for the basin are cited from the above-mentioned NCDENR manual. • U.S. Army Corps of Engineers HEC-HMS Version 2.2.2 was used to perform the 10-year and 100-year design storm pond routing calculations. • Haestad Methods PondPack Version 8.0 was used to compute the stage-discharge curve of the proposed stormwater management facility. This data was then input into HEC-HMS for routing calculations. • Rainfall data for the Raleigh-Durham region is from USWB Technical Paper No. 40 and NOAA Hydro-35. This data was used to generate a depth-duration- frequency table describing rainfall depth versus time for varying return periods in the RDU region. Rainfall depths from this table were then input into HEC-HMS for routing of the 10- and 100-year design storms. • The post-development time of concentration for the site watershed was conservatively estimated to be 5 minutes. • An anti-seep collar is provided along the proposed outlet barrel to guard against seepage along the barrel / soil interface. The location and size of the anti-seep collar was designed such that the flow length along the barrel increases by 15%. • A velocity dissipator is provided at the principal spillway outlet to prevent erosion and scour in this area. The dissipator is constructed using stone riprap underlain with a woven geotextile filter fabric. The filter fabric is used to minimize the loss of soil particles beneath the riprap apron. The dissipator is sized for the 10-year storm event using the NYDOT method. It is a' permanent feature of the outlet structure. • Since the 1" storm runoff is infiltrated into the ground, a level spreader was not provided at the facility outlet. Discussion of Results The bioretention area proposed for the State Employees' Credit Union site was designed in accordance with accepted NCDENR guidelines. It provides for treatment of the first flush runoff from a 1" rainfall. This treatment will provide 85% TSS removal from the runoff as well as curtailing its concentrated flow into Tar-Pamlico riparian buffers. The volume in question will instead infiltrate into the ground. This design is submitted as the stormwater management plan for the SECU site under the conditions of the Dixie Development 401 Water Quality Certificate. Please refer to the appropriate sections of • this report for any detailed calculations. 2 • • PRECIPITATION DATA 1 WATERSHED SOIL DATA 2 WATER QUALITY SIZING CALCULATIONS POST-DEVELOPMENT 4 HYDROLOGIC CALCULATIONS BIORETENTION AREA FINAL DESIGN 0 .7 PRECIPITATIONDATA C7 • STATE EMPLOYEES' CREDIT UNION LOUISBURG, NC ELC-04000 W o .o N tN C (? 1 N ; T :1r 1:(V O ;Cl N tJ F .O ....4.... p .......... .. .. u O •N q N??• 1n G 3 u ,tUy ?O z F ? A o nl?n vQ H r.l h ' : N u V .-.:O:.r O:O O? 00:0 A 2 00 j 7:00 ? 1n j O; cf ?A - 00: O V h: DD: O [?:.•r 7 ?D G1 O: C .g O:.•-? : r+ N M: M j V 1n 0: h 1 0?,+:-+ N N:M•M a h:?0 h u /•' N:O V 00;0:0 O r- h7'V' N N:In:O Vl C? h.M o Off: DO h h:M:N •--? CD CD h i C7, 00 C> CZ) h h .O O M:00;0 N h;'V:N W: h ?o V: N: •••? O:O:O 1n .5 (V F r ?tltli F CJ U V .V O: ?O:O:M V1 00 VIV j IS OC? Z. X M 00 V V 1i N:M ?y N;•--? try N •--?:h h :V:M N O 1n:Q?jN ?D?M:N C .? O: l N:N M M Vjvl C r, 1n M:N: O:OiO CO q H u !7 h:N:00 r 1 V' N:O200 S ?D +: 00 N'1n : ?O ? h^ 00:V u : N V h 00:N:O r j N N rn 00 1 :0 1n M 7 •r r:1 g n:O\ . O:O: •--? •--? •- V N: N= N M M O V :'cf . O h ?O j v1 V : - M: N: •-+ O : O:O j O G ?. by 1n : ?" y in -- ?r- 1 C•'1 •r V U DO: C': 1n 5 O: N h M:O u IC ?7 O j 0: 1n V : ?: h q u V:h:O : M n:;.-• j b .-.;b : 1 1q. [?!h O h: t- : 0N : I? V:N;•-• : g N g O C> N N M M ?•1 p N h: V V N •-+: O O O: O O A CG r - ----------- q yy VVj •?? U; U V ---- V; y? y -- y --- ---- Nj N ---------------- ------- '71 q V? U ['s?? y CJ: (yJ: Vi N N: y: y . 4 : A A: rr A 1n : 1n O:O: N M b j ti j N ? en O • WATERSHED SOIL DATA • STATE EMPLOYEES' CREDIT UNION LOUISBURG, NC ELC-04000 A Ta.: C7 35° 6' 34" N 36° 6' 34" N 78° 19' 51 W 78. 17' 13" VJ? Q tir a ; 36° 4' 30" N 36° 4' 30" Nr, 78°19'51"VJ 78°17'19"W 0 1939 - 2005 Maptach, Inc. All Rights Reserved. ,Maptech 0 is a registored trademark of %Iaptech, Inc. r J -A 1,V-JAPbER-,,)/ER 3i°5'37"N 36° 5'37" N 18° 19 13" by 78 17' 58" 4'1? 1, \ t ?,. ?`7?. ? ••! ??{ s?%?,? . ?- ?a ?? 11 ?_._? ? t -. a 1 ? !;i ?/?{-•4-??• ? +!.-t;. yf .`...t...'?. _ ... it --?! ?? ? ? \i ;_•i. T+• -,_'° ?d`!/ ??' '`? k..?,i`? f 'r. ?? ?- c ? 7j,itfG-? ? visa' ?`A?(}...? ? _ / r= i' ?l`? i, ???? ? _ ? I •? ?!?,1 ??? rt 'I `fie 17, i f `r^`. •. ,.1.^ r I 1 1. f 51 •,'i t •?,i V` z • 1 s ,. - ?f t • i 'i. 36 4'36" N 36° 4'36 Nr 78° 19'13" W 73° 17' 58" VV '' ''` I,,nr???.rnapteclr.com Dun C,C14• To cyder call 888-339-5551 or 978-933-3000 1989 - 2005 Maptech, Inc. All Rights Reserved. Maptech 0 is a registered trademark of Maptech, Inc o p Z O LO O g O ED ? S A' T co p C', . " °' M _? 1\ ' , _Q__ ? ': t. , , - - '"" l? Q E _ ?.,.- r t `*?•'^. ?t "`rr•t )_- T* a ?? 1 : -">'/~ "!r ._ J __ T -' r•• ,-I ) W ?-\ ?' r5f • Q`ti.- Y t •y _ `L ?`;T?? _. .r .. 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'Ct` y4 ?v,'„'? f t '' '_.} .7p- )..•'' '` t`l t 1: ?? yy r+4 .,ww t1 r !\ r- yr st xr?1t t j r ` / t :`c "`???y. ?ty;t• t: :, t !'• %-- E ! t1?.- ,,. ( ' , i I :aZ•? ,_ ?k ."1 :t "1. ,?. Y > •.,',` ,iL..'. / ''\_' Y _',' 1? ri t '.r , ?I, - C Vf i , ff ?'' `? ?1 ti O a `{'' " 'i \? 6"-`" l.. N ,ri-. o 'v ': A t r \ J /1 r _ / ?- t \, , I { ' _.`? 1l 11 \? ` yy / r { Y l j ."_ Sri k ? u ?? ? 2 lrk? ` i) r ?__' i .1 I'l 1 /I , ? _ , ? , . ; ?, '? ? -:, ? ..' b , ? I I, I .i: , , I , k__ , , I . ? ? ? - ? " S I , - , " I 11 I ? - , '), ), (? tF r ? , - 4 S r' r j?i . I ^ s 'd.t1 - ,L 'f ?- r I `.: `?;,` o _.yl""r i -Lt fr?"? J 1 Pf! ?,§ lyy,-'ate ?) r ir?? I .L -r _-? .? W? ..1\? ??-.. A _- ,? - ° . 1 11 "?t ? I I ?' b I I !, ,` 1 /ti 2-•. _ t AI r l111 ?) .I '' - . i . ?.+w....? ? /, f f -f-f F l 4 \? x - ('. ) . k i f '? .r ..- ,`,- J.! l \ _/ ..Y: yy , rx ..kr , 2yk?. ,.?i -.4 t ./ `\r- '-t{/ _ i .!x,o K _ s i., ; _ :+ ;_ .+Fjt fi'+y'I+ .•.r, r !... _!ys _., i 1 e? 1. I '? k ` I f` ? /j}Jr ? , A ;;;),f ••?l r ?_ rf? S (I nq` .r,."7'1l ' , * / " ,..,\ r .. r.f ?d '7. - \ ,?1 r rxl t C, 4 _ 'rr .' o t ' . . _. I , - - ? t?zf -A,'?,."' .11 - . - , ----\*- I . - - .? ? ? 'L 2t , _'? , , I T - !?4 ;?_? ? - ? I I j 1 " , -•'??'__y - : _ , A^' - ,r oc :i-r` i . _ t' .,,,. t- -' J 1 ` t . - .0 SECU LOUISBURG WATERSHED SOIL R.E. JIMENEZ JR., EI OBA-03030 INFORMATION 2/25/2005 07 > Watershed Soils Information Symbol Name Hydrologic Soil Group We Wedowee B Wu Wedowee-Urban Land Complex Assume D References: 1. SOIL SURVEY: FRANKLIN COUNTY NORTH CAROLINA. UNITED STATES DEPARTMENT OF AGRICULTURE: NATURAL RESOURCES CONSERVATION SERVICE SHEET NUMBER 10 2. SCS TR-55. UNITED STATES DEPARTMENT OF AGRICULTURE. NATURAL RESOURCES CONSERVATION SERVICE. 1986. Hydrologic Soil Group D Curve Numbers were used to provide for a conservative estimate of the first flush volume. Cover Condition SCS CN - HSG D Impervious 98 Open 80 (Assume Good Condition) Wooded 77 (Assume Good Condition) C. • n u WATER QUALITY VOL UME CALCULATIONS STATE EMPLOYEES' CREDIT UNION LOUISBURG, NC ELC-04000 SECU LOUISBURG FIRST FLUSH VOLUME CACULATION R.E. JIMENEZ JR., El OBA-03030 2/25/2005 Bioretention Area Design Sheet • Project Name: SECU Louisburg, NC Designed By: R.E.Jimenez Jr., El Checked By: D. A. Clark, PE Job Number: OBA-03030 Date: 2/18/2005 Calculation of Runoff Volume for Required Bioretention Surface Area The runoff to the bioretention area for the V storm detention requirement is calculated using the SCS curve number method. Impervious areas that directly enter the pond are counted as Directly Connected Impervious Areas (DCIAs). Using basic SCS runoff methodology, with no adjustments made to initial abstractions (0.2*S and 0.8*S). Impervious Area, directly connected (DCIA) = 1.29 acres Total Drainage : 2.41 acres @ CN = 98 Open areas draining to pond = 1.02 acres @CN= 80 Bioretention area draining to pond = 0.10 acres is @CN= 80 Runoff from DCIAs ==> Precipitation amount = 1.0 inches S = 0.204 inches (calculated) Q* = 0.791 inches (calculated) Runoff volume = 3704 CF Runoff from open areas ==> Precipitation amount = 1.0 inches S = 2.500 inches (calculated) Q* = 0.083 inches (calculated) Runoff volume = 309 CF Runoff from ponded areas => Precipitation amount = 1.0 inches S = 2.500 inches (calculated) Q* = 0.083 inches (calculated) Runoff volume = 30 CF • Bioretention Basin Page 1 C7 SECU LOUISBURG FIRST FLUSH VOLUME CACULATION OBA-03030 Therefore, total runoff from precipitation in question = 4042 CF This amount of runoff may be allowed to pond in the bioretention area at between 6 and 12 inches. • E Calculation of depth required for runoff storage pool Total storage required for runoff = Average water depth of bioretention area= Total storage provided = 4042 ft; 12 in 1.000 ft 4180 ft3 OK Bioretention Basin R.E. JIMENEZ JR., El 2/25/2005 Page 2 C7 POST-DEVELOPMENT HYDROLOGIC CALCULATIONS rI • STATE EMPLOYEES' CREDIT UNION LOUISBURG, NC ELC-04000 d A d U z ° x N zy? d? ?zzsw, x? N W Q \ Fv°?°n EAU v qd» w ?a d 0 M-1 0 A W s a w O O O N X O 3 U) a I m O O n O i ? O z o u Q 0 Za ?s O N O N N II N N O 6 F y A HE, C-HMS Project: OBA-03030 Basin Model: • TO POND • BIORETENTION r? SECU LOUISBURG POST-DEVELOPMENT R.E JIMENEZ JR., El OBA-03030 HMS INPUTS L POST-DEVELOMMYT => As shown in the soil information section, the site soils are from hydrologic Soil Groups B and D. Curve Numbers used were chosen from IiSG D Both wooded and open areas were assumed to be in good condition. Cover Description SCS CN Comments Impervious 98 Open/Grassy Areas 80 Assume good condition (> 75% grass) Wooded 77 Watercourse 100 TO BIORETENTION AREA: POST-DEVELOPMENT CALCULATIONS I . Watershed Composition: II . Time of Concentration Information: Total Basin Area 2.41 Acres Total On-site Basin Area 2.41 Acres Total Off-site Basin Area 0 Acres Cover Description Area acres Impervious 1.29 Open 1.02 Wooded 0.00 CN 100 0.10 Total = 2.41 Acres • OK 0.0038 Sq. Miles Composite SCS CN = 90 *•• Tc was conservatively estimated. I TOTAL TRAVEL T131E - 5.00 MINUTES SCS LAG TLUE - 3.00 hIINUTES • • POST-DEVELOPMENT O BIORETENTION AREA FINAL DESIGN • 11 STATE EMPLOYEES' CREDIT UNION LOUISBURG, NC ELC-04000 Staf<e-Storal Project Name: Designed By: Checked By: Job Number: Date: ve Function SECU-Louisburg R. E. Jimenez Jr., El D. A. Clark, PE OBA-03030 2/22/2005 Contour (feet) Stage (feet) Contour Area (SF) Average Contour Area (SF) Incremental Contour Volume (CF) Accumulated Contour Volume (CF) Estimated Stage w/ S-S Fxn (feet) 280.5 0.0 4080 281.0 0.5 4280 4180 2090 2090 0.50 281.5 1.0 4483 4382 2191 4281 0.99 282.0 1.5 4690 4587 2293 6574 1.49 282.5 2.0 4900 4795 2398 8972 2.00 283.0 2.5 5113 5007 2503 11475 2.52 • Storage vs. Stage 14000- 12000-- 10000-- y = 4316.2x'-"' LL R' = 0.9998 U 8000 0 6000 h 4000 2000 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Stage (feet) Ks = 4316.2 b = 1.0567 BIORETENTION AREA SECU LOUISBURG STAGE-STORAGE FUNCTION R.E.Jimenez Jr.,EI OBA-03030 2/25/2005 0 => Stage - Storage Function Ks = 4316.2 b = 1.0567 Zo = 280.5 Elevation Storage Outflow Storage [feet] [acre-feet] [cfs] - [cf] 280.5 0.000 0 0 280.6 0.009 0 379 280.8 0.028 0 1209 281 0.048 0 2075 281.2 0.068 0 2961 281.4 0.089 0 3861 281.6 0.110 0.78 4774 281.8 0.131 4.03 5695 282 0.152 8.67 6625 282.2 0.174 14.35 7562 282.4 0.195 14.82 8505 282.6 0.217 15.34 9453 282.8 0.239 15.84 10407 283 0.261 16.33 11366 • • BIORETENTION AREA (cont.) HMS * Summary of Results for BIORETENTION Project : OBA-03030 • Start of Run 22Feb05 0000 End of Run 22Feb05 2400 Execution Time : 25Feb05 1725 Run Name : POST 100 Basin Model : POST-DEVELOPMENT Met. Model Met 100 YEAR Control Specs s Control 1 Computed Results Peak inflow 21.175 (cfs) Peak Outflow 15.308 (cfs) Total Inflow 6.80 (in) Total Outflow 6.83 (in) Date/Time of Peak Inflow : 22 Feb 05 1204 Date/Time of Peak Outflow : 22 Feb 05 1209 Peak Storage : 0.21566(ac-ft) Peak Elevation : 282.59(ft) L` is HMS * Summary of Results for BIORETENTION Project : OBA-03030 • Start of Run : 22Feb05 0000 End of Run 22Feb05 2400 Execution Time 25Feb05 1725 Run Name : 10 YEAR Basin Model s POST-DEVELOPMENT Met. Model s 10 YEAR RDU Control Specs Control 1 Computed Results Peak Inflow : 14.844 (cfs) Peak Outflow 13.259 (cfs) Total inflow 4.24 (in) Total Outflow : 4.28 (in) Date/Time of Peak Inflow : 22 Feb 05 1204 Date/Time of Peak Outflow : 22 Feb OS 1206 Peak Storage s 0.16977(ac-ft) Peak Elevation 282.16(ft) is 40 Type.... Outlet Input Data Page 1.01 Name.... Bioretention File.... X:\Projects\OBA\OBA-03030\Storm\FINAL DESIGN\PondPack\SECU-LOUISBURG_BIORET.PPW Title... Project Date: 2/22/2005 Project Engineer: Rafael E. Jimenez Jr., EI Project Title: OBA-03030 Project Comments: REQUESTED POND WS ELEVATIONS: Min. Elev.= 280.40 ft Increment = .20 ft Max. Elev.= 283.00 ft OUTLET CONNECTIVITY tt++t+t++tt+++++++++++t++t+t+t+tt+++t++tt+t+++ ---> Forward Flow Only (UpStream to DnStream) <--- Reverse Flow Only (DnStream to UpStream) < --- > Forward and Reverse Both Allowed Structure No. Outfall E1, ft E2, ft ----------------- ---- ------- --------- --------- Inlet Box DI ---> BA 281.500 283.000 Culvert-Circular BA ---> TW 278.600 283.000 TW SETUP, DS Channel 1, I1 u is SIN: 621701207003 The John R. McAdams Company PondPack Ver. 8.0058 Time: 3:13 PM Date: 2/25/2005 • Type.... Outlet Input Data Name.... Bioretention Page 1.02 File.... X:\Projects\OBA\OBA-03030\Storm\FINAL DESIGN\PondPack\SECU-LOUISBURG_BIORET.PPW Title... Project Date: 2/22/2005 Project Engineer: Rafael E. Jimenez Jr., EI Project Title: OBA-03030 Project Comments: OUTLET STRUCTURE INPUT DATA Structure ID = DI Structure Type ----------------- = Inlet Box ------------- ------ # of openings = 1 Invert Elev. = 281.50 ft Orifice Area = 3.6700 sq.ft Orifice Coeff. _ .600 Weir Length = 8.17 ft Weir Coeff. = 3.000 K, Submerged = .000 K, Reverse = 1.000 Kb,Barrel = .000000 (per ft of full flow) Barrel Length = .00 ft Mannings n = .0000 E • SIN: 6217012070C3 The John R. McAdams Company PondPack Ver. 8.0058 Time: 3:13 PM Date: 2/25/2005 • Type.... Outlet Input Data Name.... Bioretention Page 1.03 File.... X:\Projects\OBA\OBA-03030\Storm\FINAL DESIGN\PondPack\SECU-LOUISBURG_BIORET.PPW Title... Project Date: 2/22/2005 Project Engineer: Rafael E. Jimenez Jr., El Project Title: OBA-03030 Project Comments: OUTLET STRUCTURE INPUT DATA Structure ID = BA Structure Type ------------------ = Culvert-Circular ------------------ No. Barrels = 1 Barrel Diameter = 1.5000 ft Upstream Invert = 278.60 ft Dnstream Invert = 278.50 ft Horiz. Length = 16.00 ft Barrel Length = 16.00 ft Barrel Slope = .00625 ft/ft OUTLET CONTROL DATA... Mannings n = .0130 Ke = .5000 Kb = .018213 Kr = .5000 HW Convergence = .001 (forward entrance loss) (per ft of full flow) (reverse entrance loss) +/- ft INLET CONTROL DATA... Equation form = 1 Inlet Control K .0098 Inlet Control M = 2.0000 Inlet Control c = .03980 Inlet Control Y = .6700 T1 ratio 01W/D) = 1.157 T2 ratio (HW/D) 1.304 Slope Factor = -.500 0 • Use unsubmerged inlet control Form 1 equ. below T1 elev. Use submerged inlet control Form 1 equ. above T2 elev. In transition zone between unsubmerged and submerged inlet control, interpolate between flows at T1 & T2... At T1 Elev = 280.34 ft ---> Flow = 7.58 cfs At T2 Elev = 280.56 ft ---> Flow = 8.66 cfs SIN: 621701207003 The John R. McAdams Company PondPack Ver. 8.0058 Time: 3:13 PM Date: 2/25/2005 .7 Type.... Outlet Input Data Name.... Bioretention Page 1.04 File.... X:\Projects\OBA\OBA-03030\Storm\FINAL DESIGN\POndPack\SECU-LOUISBURG_BIORET.PPW Title... Project Date: 2/22/2005 Project Engineer: Rafael E. Jimenez Jr., EI Project Title: OBA-03030 Project Comments: OUTLET STRUCTURE INPUT DATA Structure ID = TW Structure Type = TW SETUP, DS Channel ------------------------------------ FREE OUTFALL CONDITIONS SPECIFIED CONVERGENCE TOLERANCES... Maximum Iterations= 30 Min. TW tolerance = .01 ft Max. TW tolerance = .01 ft Min. HW tolerance = .01 ft Max. HW tolerance = .01 ft Min. Q tolerance = .10 cfs Max. Q tolerance = .10 cfs u .7 SIN: 621701207003 The John R. McAdams Company PondPack Ver. 8.0058 Time: 3:13 PM Date: 2/25/2005 • 0 • Type.... Composite Rating Curve Name.... Bioretention Page 1.01 File.... X:\Projects\OBA\OBA-03030\Storm\FINAL DESIGN\PondPack\SECU-LOUISBURG_BIORET.PPW Title... Project Date: 2/22/2005 Project Engineer: Rafael E. Jimenez Jr., EI Project Title: OBA-03030 Project Comments: WS Elev, Total Q Elev. Q ft cfs -------- 280.40 ------- .00 280.60 .00 280.80 .00 281.00 .00 281.20 .00 281.40 .00 281.50 .00 281.60 .78 281.80 4.03 282.00 8.67 282.20 14.35 282.40 14.82 282.60 15.34 282.80 15.84 283.00 16.33 SIN: 6217012070C3 PondPack Ver. 8.0058 ***** COMPOSITE OUTFLOW SUMMARY **** Notes -------- Converge ------- ------------------ TW Elev Error ft +/-ft Contributing Structures ----- ------ Free -- ----- Outfall -------- (no Q: ------------- DI,BA) Free Outfall (no Q: DI,BA) Free Outfall (no Q: DI,BA) Free Outfall (no Q: DI,BA) Free Outfall (no Q: DI,BA) Free Outfall (no Q: DI,BA) Free Outfall (no Q: DI,BA) Free Outfall DI,BA Free Outfall DI,BA Free Outfall DI,BA Free Outfall DI,BA Free Outfall DI,BA Free Outfall DI,BA Free Outfall DI,BA Free Outfall DI,BA The John R. McAdams Company Time: 3:13 PM Date: 2/25/2005 SECU LOUISBURG RIORFTFNTION AREA R.E. JIMENEZ JR.. El SECU LOUISBURG OBA-03030 Anti-Seen Collar Design Sheet This sheet will, given the barrel length of interest and minimum seep collar projection from the barrel, determine the number of anti-seep collars to place along the barrel section, and the expected spacing of the collars. Design Requirements => Anti-seep collars shall increase the flow path along the barrel by 15%. Anti-seep collars shall be spaced a maximum of 14X the minimum collar projection or 25 feet, whichever is less. R.E.Jimenez Jr., El 2/25/2005 Anti-Seep Collar Design => BIORETI Flow Length Alin. Calc'd # Alax. # of Use Pond along barrel Projection of collars Spacing collars to Spacing Spacing ID (feet) (feet) required (feet) use (feet) OK? 3NTION AREA 16.0 1.25 0.96 17.5 1.00 8 YES Note : If spacing to use is greater than the maximum spacing, add collars until the spacing to use is equal to or less than the maximum spacing allox•able for the collar design. Anti-seep collars shall be used tinder the structural fill portions of all berms/dams unless an approved drainage diaphragm is present at the doxnstream end of the barrel. BIORETENTION AREA STATE EMPLOYEES' CREDIT UNION LOUISBURG, NC Bioretention Area Operation & Maintenance Guidelines Planting Soil Care should be taken that the planting soil of the basin does not become overly acidic due to stormwater runoff. It is recommended that testing of the soil be conducted at least once or twice per year. Testing is to encompass pH measurements as well as heavy metal and toxin accumulation data. When soil pH exceeds an acidity of pH 5.5, limestone or another suitable alkaline agent should be added to the soil. Toxin laden soils should be removed and disposed of properly. The following table describes a typical maintenance schedule as recommended by the North Carolina Department of Environment and Natural Resources. Adherence to this schedule will prolong the operational life of the rain garden. Example Maintenance Schedule for Bioretention Areas 0 • Description Method Frequency Time of Year Soil Inspect and Repair Visual Monthly Monthly Erosion Organic La er Remulch any void area By hand Whenever needed Whenever needed Remove previous mulch By hand Once every two or Spring layer before applying new three years layer (optional) Any additional mulch By hand Once a year Spring added Plants Remove and replacement See planting Twice a year 3/15 to 4/30 and of all dead and diseased specifications 10/1 to 11/30 vegetation considered beyond treatment Treat all diseased trees Mechanical or N/A Varies, but will and shrubs by hand depend on insect or disease infestation Watering plant material By hand Immediately after N/A shall take place at the end completion of of each day for fourteen project consecutive days and after planting has been completed Replacement of support By hand Once a year Only remove stakes stakes in the spring Replace any deficient By hand Whenever needed Whenever stakes or wires needed W AT?RQ Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Alan W. Klimek, P.E. Director Division of Water Quality April 18, 2005 EXPRESS REVIEW ACCEPTANCE LETTER Robert S. Hall 1000 Wade Avenue Raleigh, NC 27605 Fax #: 919.839.5353 Subject Property: State Employees Credit Union, Louisburg Franklin County Dear Mr. Hall: On April 18, 2005, the Wetlands/401 Unit of the Division of Water Quality received a Fax/email request from D. Amos Clark, John R. McAdams Co., Inc., regarding a project known as "State Employees Credit Union, Louisburg" for acceptance into the Express Review Program. This letter advises you that your project will be accepted into the Express Review Program once the following items are received: 1) a fee of $2,000.00 made payable to the North Carolina Division of Water Quality, and 2) three complete and collated copies of the Express Review Stormwater Management Plan Application. Please read the application over carefully and submit all of the required items. Information regarding Express Review, DWQ's Stormwater Best Management Practices Manual, worksheets and an example of an Operation and Maintenance Agreement can be found on our website: http://h2o.enr.state.nc.us/ncwetlands/regcert.html. Thank you for your attention to this matter. Due to limited staff availability during the remainder of April 2005, we will be unable to accept your application until the week of May 2, 2005. Please keep in mind that the clock for this project will not start until receipt of the completed application package and required fee are received. The timeline can be found at: http://h2o.enr.state.nc.us/ncwetlands/express_review_SWschedule.htm. If you have any questions or wish to discuss these matters further please do not hesitate to call Cyndi Karoly at 919.733.9721 or Cynthia Van Der Wiele at 919.715.3473. Sincerely, Alan W. Klimek, P.E., Director AWK/cvdw cc: DWQ Raleigh Regional Office File copy Central Files D. Amos Clark, John R. McAdams Co., Inc., 2905 Meridian Pkwy., Durham, NC 27713 Filename: SECU Louisburg.doc 401 Oversight/Express Review Permitting Unit 1650 Mail Service Center, Raleigh, North Carolina 27699.1650 2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604 Phone: 919-733-17861 FAX 919-733-6893 / Internet: http://h2o.cnr.stste.nc.us/ncwetlands NorthCarolina ,J1 atimilly An Equal Opportunity/Affirmative Action Employer- 50°b Recycled/10% Post Consumer Paper SENDING CONFIRMATION DATE APR-18-2005 MON 14:47 NAME DWQ-WETLANDS TEL 9197336893 PHONE : 93612269 PAGES : 2/2 START TIME : APR-18 14:46 ELAPSED TIME : 00'53" MODE : ECM RESULTS : OK FIRST PAGE OF RECENT DOCUMENT TRANSMITTED... ??? NCDENR North Carolina Department of Environment and Natural Resources Division of 1Yator Oualily V,cbael F. =as n'. Give no, Yrillian G. Ross. Jr., yxrea-J Alan :'1 Kinw- P.'- Ihrector EXPRESS PER111T REVIUIV PROCRANI Division of Water Quality Department of Environnicnt:d and Natural Resources Wetlands1401 Unit Start Adalrera: 2321 Crabtree Boulevard. Su.te 2%1 Rala'p. NC 2'.601.2200 Ntnlling Address: 1650 rvlail Service Ccrwr Riles d'. NC 276YY 1650 Contact lnronmtion: Phusc 4 919-733-0203 Fax K. 919-743-6593 Fax To: Robert SLdi Fax H: 839.?3'?3 Amos Clark 361 2269 Subject: Stale Firiployees Cre.lit Union, Lnui?burr Date: April 19, 2005 number of pages includiug coicr sliecl: 2 Notes or special instructions.: We bare accepted rum l'wjeal inw FNI-,, Rcvrcw; Idea a sent plain no c- ly;hays Ma. 2..005. The a?ijnal wJl be scm in tlw rcul If you Lave cuestxmt phase call [)chid, FJw ,1. at 919-- 3a-e5rr;. os Cynthia %'= Ur A':Clc at Y19.715-3.173. ?asvu ?h'x.., Fak<n ever.-,w s.vsa s? -oll 1VortllC'alna ( iJiIGY'M Mav,sil .-A rf. F..<1'. Y'a?..a. •r».f'inss±s.?u oi>: rsA: w.,..a ?.p. r. .. ,.. .. ..s?i? ??'?1Lrlr/ll?? .r FYI Ct?+ riYMrt: Fn Mm F"?1",v. !: n r4ala0'll't1 Learn r ye' SENDING CONFIRMATION DATE APR-18-2005 MON 14:45 NAME DWQ-WETLANDS TEL 9197336893 PHONE : 98395353 PAGES : 2/2 START TIME : APR-18 14:44 ELAPSED TIME : 00'43" MODE : ECM RESULTS : OK FIRST PAGE OF RECENT DOCUMENT TRANSMITTED... kTMXA NCDENR North Carolina Department of Environment and Natural Resources Division of Water Quality ='f fi woad EaPky :ICVemor ':yl W G. Ghss. Jr. Sal da Nar W. YJ Lek. P.C, D-='f EXIIIMSS PE1011T REVIEW PROGRAM Division of Watcr Quality Department of Environmental and Natural Resources NVetlan(W401 Unit Street Address: :321 Crabtree 1iou.ev':.rd, Stine 2`U Ralagh, NC 2760r-2269 %lailing 4ddrrsw: 1650 N1eit Sci-e C-ler Ralagh, "C Zib99-1650 Contact Information: pl•, ?•ic b. 919-733-0201 Faa k: 919-733-6A93 Fa- To: Robert HaiJ Fax #: 539.5353 Amos Clark 361.2267 Subject;; State Employees Credit Union, T ouisbur, Date: April 18, 2(X)5 Number of pages Including rover sheet: 7. Notes or t, e6al instructions: We has'c accepted loru Moicd into Express Review; p:ea a send plays no early than May 2. 2935. Ttw on , nal writ be scot in the mail. U you nave questions please call Debbie Inwards at 919 ";.33 9y)Z or Cynthia Van Der W mle at 919-715-3173. J:r v.-C", .y .,f ':'.O VM L:MZ :s^_f R]k 9A I?JAG^.Fx ::]fi".[] IS' Gfe`•• ea.+H. S Ja.Y. n['•^1'H.4cY. i'LY X E"CIXAI SAr+-f0.a' ?m Cr]k ryr,!G'W P.fcl?fa"CO hY rasnrt r _., .?1l1110 1vu hCarolina ?l atur?t!!y INITIAL INTEREST IN PARTICIPATION IN THE EXPRESS REVIEW PROGRAM WITHIN THE 401 OVERSITE/EXPRESS PERMITTING UNIT September 1, 2004 Version 3 Applicant Name: Robert S. Hall Applicant Address: 1000 WA(ie Avenue _ Raleigh, NC 27605 Applicant's phone number: (919) 839-5000 Fax number: (919) 839-5353 Applicant's email address: Consultant Name(ifapplicable): D. Amos Clark, PE- The John R. McAdams Company, Inc. Consultant address (if applicable): 2905 Meridian Parkway Durham, NC 27713 Consultant's phone number: (919) 361-5000 Fax number: (919) 361-2269 Consultant's email address: Type of action requested under the Express Review Program (check all that apply): ? 401 Water Quality Certification ? ? Isolated Wetland Permit ? Riparian Buffer Approval ? ® Stormwater Management Plan ? Mitigation Plan ? stream ? wetland ? buffers (check all appropriate) Stream Origin Determination # of Determinations Requested Intermittent/Perennial Determination # of Determinations Requested Name of Project: State Employees' Credit Union, Louisburg County: Franklin Total project acreage: 2.5 (acres) Total built out impervious area: 1.29 (acres) Nearest named stream (from USGS topo map): Tar River Please provide a brief description of this project (attach site plan if available): Parcel of overall Dixie Development souteast of intersection of NC56 and US 401. Area to be developed as a commercial ste (State Employees' Credit Union). Please attach a map of site location using USGS 1:24,000 map and county soil survey. 1 Location of project site - please include reference to the county, nearest name town and highway number: Site is located southeast of intersection between US 401 and NC 56 in Lousiburg, NC. Proposed impacts: N/A N/A N/A N/A N/A Acres of 404 wetlands Acres of isolated wetlands Linear feet of streams Linear feet of isolated streams Square feet of protected stream buffers Has consultant or applicant attended any DWQ-sponsored training sessions in the past two years? If so, please list which ones. N/A Has any DWQ staff visited the site? N/A, if yes, please provide DWQ staff name, date of visit: and Which other environmental permits from other agencies will be needed for this project? Please list the permits and issuing agencies below: N/A Does this project require approval under the State Environmental Policy Act or National Environmental Policy Act? N/A Is this project an After-the-fact application or has this project received a previous Notice of Violation from DWQ? Does this project require approval of a Variance from the NC Environmental Management Commission? N/A Are you aware of any local controversy concerning this project? If so, please describe the controversy and any measures that have been taken with respect to public involvement. This form must be submitted via email (c/o 401express a,nemail.net), faxed (919-733-6893) or hand-delivered to the Parkview Building, 2321 Crabtree Blvd., Raleigh, NC 27604. Applicants who are selected to participate in the Express Review Program will be notified via email or fax within 2 days. Successful applicants will then be instructed regarding detailed procedures for full application (Please Note: Submittals of the review packages on Friday after 12:00 pm will be stamped as received on the next business day). Please contact Debbie Edwards at 919-733-9502 if you have any questions regarding this form. 2 Mp a6i M it?' N, 't' ? I11 1 xi b.. . 3G° G' 34" N 36° 6' 34" tJ 78°19'51"W 78°17'19"W ?1,(IUlitlUl gir? S a 5 Y 'j??` I • S ,ItRghl_,R•affr, ed F! ,FnrtJa',ig :on i 3G' 4' 30" N 3G' 4' 30" Nr 78°19'51"W 78°17'19"W W1417.t11?7OtOC11.C0171 (A- To order call U3-03:;-5531 or 378-033-3000 P1Ah7C..11' © 1989 - 2005 Maptech, Inc. All Rights Roserved, Maptech 0 is a registered trademark of Maptech, Inc. bxu4p-9 r-.,4;kr,-A-2v TA.A.E" ET,%, VIE-R; 3i"5'37"N J 18 19'13" W ` Ilj / . t y7: t 1) k r 1nifJ Ir r,`'??" :? j r ? ,tip • 1"4 ., . . J ' a? A _ r 31i" 5" :t7" N 78 1r 5a" wL ??1!•f . , ( ; "?. • e GPs »/`+ • - ', 1? ?? ., alt J?? L ? K3S , ii •fi? ????` .' I` * ?? • ole i t 4` . r rr' r 1 l i j . f ?." _..' '• ' 11,r i u ,' fry a t ? t < ' ,? - 1. \aliL-Rassrvai 3G• 4' 36" N 3G" 4' 36" N1 78° 19' 13" W 78" 17' 58" W w&vw,-f IQ,IutCCh.CCf1J To order call 888-839-5551 or 978-933-3000 © 1989 - 2005 Maptech, Inc. All Rights Reserved. Maptech Qs is a registered trademark of Maptech, Inc. G z a o? x?0 c; x Oq[U`!2 C:7 zSW z G P4 a ()5D CosI EXPRESS REVIEW PROGRAM STORMWATER MANAGEMENT APPLIC ION VORM This form may be photocopied for use as an original 1. GENERAL INFORMATION 1. Applicant's name (specify the name of the corporation, individual, etc. who owns the project): State Em to ees' Credit Union d 2. Owner/Signing Official's name and title (person legally responsible for facility and compliance): Robert Hall 3. Owner Mailing Address for person listed in item 2 above: 1000 Wade Avenue City:---$apigh State _NC Zip: 27605 Phone Number: (919. 839-5000 Fax Number. 919 39-5353 Email Address: 4. Project Name (subdivision, facility, or establishment name -should be consistent with project specifications, letters, operation and maintenance agreements, etc,): State Implovees' Crprlit Trninn- T-4-1,-- Xv- @caM@D 1Y n 5. Location of Project (street address): CUU.`j Corn of ,F11AliDSg US 401 and proposed Burke Boulevard DXSA_ hDW rkR I STOr QUAif Ty n1Y,yTE rwl?Cfi. City County R6. State of North Carolina Department of Environment and Natural Resources Division of Water Quality 401/ Wetlands Unit ~a B BRIEN AT 1'~IS A SOCATES P.A. - ~ ° ~ ~ ~ ~ 9.43 28 ~ ~ °°e ° , 2as.a5 / / 1 1} REVISIONS BY BY ! 1 1 1 ~ ~ ~ 289. 4 4~ 9 ) ` =284. 9.4 / 1 1\\ ~ - LA- 1B -283.00 / 1 1 1 \ CONDITIONAL USE / / 1 1 \ PERMIT SE ! - / ~ ~ ~ / ~ \ / / 1 1 _ _ 5/11/05 DvQ REJ REJ / _ / 1 ~ - COMMENTS / ! 5 ~ O / / \ - 2/ ! / La-s ~ ! ° ! / ~ / ~ / / ~ / N to ~ 2 / ! / / + TW 287.25 1 . oo / , ~ ~ ~ IA~NON / .J ! ro 6 1 ~ ~ ~ I / / BW 284 ! N ! -8 - ~ .50 J I / / 1 / ! ~ ! ~ ~ SI108,903 SF ~ / / / / ~ \ RETAINING W AND / ( ~ Q) / / I 1 ~ ~ / I ~ GUARDRAIL BY ERS ! ~ ! 280.50 ~ ~ / I ~ / ! / + ~ / ~ / ~ °o chi ~ , 28a.5o ~ BIORETENTION AREA SPECIFICATIONS o CU o M 0 0 \ ~ ~ _ / / / + ' \ ON I / / / / I ~ THE BIORETENTION FACILITY SHALL NOT BE CONSTRUCTED ~ ~ Lfn - / / / \ ~ , _ UNTIL ALL CONTRIBUTING DRAINAGE AREA HAS BEEN ~ ~ O\ O'~ X90.25 Tw=2sa.0o / , ~ o BG=280.50 / / ~ / ~ - STABILIZED / rn m / - ~ Q\ / - 11 i / / /1 1. MATERIAL SPECIFICATIONS ~ s / / ~ ~ S cr) ' 0.25 _ ~ ~ I ~ 29 - _ , ~ ~ / I lA-8 ~ / ! , ~ ~ ~ / f (SEE TABLE BELOW) ~ d o, / ~ / f ~ ~ S c$ L 01 i 1 C~ / / ! TW 291.00 TW=290.00 ` / I 1 ~ ' \ Tw 2s1.oo / / I MATERIAL SPECIFICATIONS SIZE NOTES A Q / / ~ / I ~ 0.25 - , / I i ~ ~ B4V~89.2 ~ BG-280.5 c / / (~j i ~B4V~89.2 ~l~ / / I PLANTINGS SEE PLANTING PLAN PLANTINGS ARE SITE-SPECIFIC ~ ~ / I 1 N A p o O I 1 i ~ ^ , ~ i S ~ ~ / I PLANTING SOIL SANG 35-609 N/A a / / ~ I 4' DEEP SILT 30-559 ~ ~ S a Q~ ~ / t + 1 / ^ 1 CLAY 10-259: ~ ~ / r- F- F- i 280.50 ~ , / / + / ~i , / / / ~ 1 1 MULCH SHREDDED HARDWOOD AGED 6 MONTHS MINIMUM ~ / / ~ N /A i i ~ / ~ ~ ~ / 280.50 , / SHREDDED WOOD CHIPS, (DO NOT USE PINE BARK \ + / / ~ \ i / OR OTHER SIMILAR NUGGETS) ~ /i J ! ~ >w 291.00 ~i ~ ! ~ / / / MATERIAL ~ / ~ - 1' PR BW 290.7 ~ / ~ OPOSED CONTOURS i i _ _ _ ~ ~ SHOWN FOR CLARITY ~ ~ GEOTEXTILE CLASS "C" -APPARENT N/A FOR USE AS NECESSARY i ~i / 3 r ~ - / / ~ ~ OPENING SIZE AROUND JACKETED ~ / ~ ~ ' ~ ~ i ~ / UNDERDRAINS ONLY GEOTEX ~ i I ~ (ASTM-4751), GRAB ( ~ . ~ / TENSILE STRENGTH 801 OR APPROVED TW=288.50 ~ ~ ~ ~ ~ ' ~ (ASTM-D-4632), EQUIVALENT-NONWOVEN ~ BG-288.00 X09 , 2/ ~ 29 00 ~ _ , ~ ~ , 6 PUNCTURE RESISTANCE GEOTEXTILE) W ~ y ~ 4~` / / I ~ BW 289.00 ~ /6,~Q ~ EX STING 18 RCP i ~ 1 ~ ~ 1 (ASTM-4833) \ i" ~~q6 ' Vt ~ Cn d 0~ ~ / ~ C5 O~ / 5 / Cb ~ i INV= 274.2 i• q~' ~ UNDERDRAIN F 758, TYPE PS 28 OR 6" RIGID 3/8" PERF. ~ 6" ON CENTER, - n- o 0 ~ ' 6~ / ~ PIPING AASHTO M-278 SCHEDULE 40 4 HOLES PER ROW. ~ ~ CL O ~ - ~ . S / ~ PVC OR SDR35 ~ ~ ~ ~ d ~(U UJ I~ ~ / ~ ~ UNDERDRAIN AASHTO-M-43 OR 0.25' TO 0.75' ~ ~ ~ ~ ~ 8 / GRAVEL X57 STONE \ ~ d C5 M d N o CZ) Oj O / ~ ~ L X S d ~ W UCH xS d p uU ~ ~ ~ i ' ~ Cp \ EXISTING CONCRETE ~ ~ L ~ d S ~ dS / a \ S -OJT' / - 28 ~ ~ _ - ' U ~ Ul L V) L 0) O g0 \ -o 2 80 Q ~~Z r) 71 / \ / ~ ~ i' Q ,p. / INV ,-272.9'\ \ / ~ ~ ~ I ,~¢h' 7IOy • r~ ~o o t STORM LEGEND - ~ ~ ~ a a ~ 2 1. " 1 - ` ~ W.^. U ~ U U ~ S 6 57 50 PROPERTY BOUNDRY ~ $ 225.00 I e ~6 -#Fl•= EXISTING CONTOUR ~d~l$1~ • ~~8~0 5' MIN. ~ PROPOSED CONTOUR ,,III II TOP OF BERM ELEV. = 283.0 TOP OF GRATE AND -m-~-'°- EXISTING STORM DRAINAGE FRAME (STD 840.16) ~~~~j11+ ~'r~~~i 2. PLANTING SOIL SPECIFICATIONS 3. COMPACTION OF THE PLANTING SOIL P,,.•••••••.,, II ~II THE PLANTING o01L SHALL BE A UNIFORM MIX, FREE OF CONTRACTOR SHALL MINIMIZE THE COMPACTION OF BOTH THE d::, 6' d%z • U , STORM DRAINAGE O: ' STONES, STUMPS, ROOTS OR OTHER SIMILAR OBJECTS LARGER BASE OF THE BIORETENTION AREA AND THE REQUIRED ' o; : ~ ~ N ~W: U' ~ CATCH BASIN ~,P~' - - ANTI-SEEP - THAN 2 INCHES. NO OTHER MATERIALS OR SUBSTANCES SHALL BACKFILL. WHEN POSSIBLE, CONTRACTOR SHALL USE U ~N Q ~ Z; ~ ~P~ - COLLAR ~ M BE MIXED OR DUMPED WITHIN THE BIORETENTION AREA THAT EXCAVATION HOES TO REMOVE THE ORIGINAL SOIL. IF THE ;~1 ~ N O . cn 0 FLARED END SECTION DROP INLET CREST ELEV. = 281.50 cL.~ qk MAY BE HARMFUL TO PLANT GROWTH, OR PROVE A HINDRANCE BIORETENTION AREA IS EXCAVATED USING A LOADER, THE ~ - TO THE PLANTING OR MAINTENANCE OPERATIONS. THE PLANTING CONTRACTOR SHALL USE WIDE TRACK OR MARSH TRACK - - ; - SOIL SHALL BE FREE OF BERMUDA GRASS, JOHNSON GRASS, EQUIPMENT, OR LIGHT EQUIPMENT WITH TURF TYPE T1RES. ` a• - QUACK GRASS, MUGWORT, NUTSEDGE, POISON IVY, CANADIEN OVER COMPACTION AT THE BASE OF THE BIORETENTION AREA ~ BASIN INVERT ELEV. = 280.50 RETAINING WALL AND THISTLE OR TH R P I 0 E S AS S ECIF ED. CAN BE ALLEVIATED BY USING A PRIMARY TILLING OPERATION GUARDRAIL BY OTHERS c SUCH AS A CHISEL PLOW, RIPPER, OR SUBSOILER. THESE • THE PLANTING .'OIL SHALL BE TESTED AND MEET THE TILLING OPERATIONS ARE TO REFRACTURE THE SOIL PROFILE FOLLOWING CRITERIA: U~ THROUGH THE 12 INCH COMPACTION ZONE. SUBSTITUTE pH RANGE 5.5 to 6.5 METHODS MUST BE APPROVED BY THE ENGINEER, ROTOTILLERS PLANT SPECIES (SEE 18" RCP TOP OF CURB PLANTING PLAN) 16 LF 00.69. a ORGANIC MATTER 1.5 to 3.09 (BY WEIGHT) DO NOT TILL DEEP ENOUGH TO REDUCE THE EFFECTS OF 59 6" UNDERDRAIN INVERT ELEV. = 278.60 MAGNESIUM - My 35 Ibs/acre COMPACTION FROM HEAVY EQUIPMENT. PHOSPHORUS -PHOSPHATE (P2 Og) 100 Ibs/acre A POTASSIUM -POTASH {K 2 0) 85 Ibs/acre PUMP ANY PONDED WATER BEFORE PREPARING a - SOLUBLE SALTS not to exceed 500 ppm (ROTOTILLING) BASE. ~ EL. 281.50 FT. INVERT = 278.60 1 U . THE FOLLOWNG TEST FREQUENCIES SHALL APPLY TO WHEN BACKFILLING THE TOPSOIL OVER EXISTING EARTH, FIRST ~ - z - i ~ 1 NCDOT STD. 838.80 TH AB I N PLACE 3 TO 4 INCHES OF TOPS01 0 R TH A ~ ~ - NrrNGED ENDWALL E OVE SO L CO STITUENTS L VE E E RTH, THEN a o 0 iv o EL. 280.75 - z _ - _ MULCH LAYER MAX. PONDED 1 _ ROTOTILL THE EARTH/TOPSOIL TO CREATE A GRADATION ZONE. ~ O o - INVERT - 278.50 1. pH, ORGANIC MATTER: 1 TEST PER 90 CUBIC YARDS BUT BACKFILL THE REMAINDER OF THE TOPSOIL TO FINAL GRADE. I--I ~ U ~ 0 O a 2"-3" MULCH =III=III=III NOT SHOWN EL. 280.50 - - - . FOR CLARITY WATER DEPTH - NOT LESS THAN 1 TEST PER BID-RETENTION AREA' ~ w z I y TT~ VI - I I=III=III=I (12") o - - - I I=III=III=III EL 281.50 FT. = WHEN BACKFILLING THE BIORETENTION AREA, PLACE SOIL IN ~ , o - RIPRAP 2. MAGNESIUM, PHOSPHORUS, POTASSIUM, AND SOLUBLE LIFTS OF 12 INCHES TO 18 INCHES. DO NOT USE HEAVY ~ ~-1 ~ ~ ?y*y O I I I_I I I_I I I_! I I_I - - - I=III=III=III=I EL 280.50 - = APRON SALTS: i TEST PER 500 CUBIC YARDS BUT NOT LESS THAN EQUIPMENT WITHIN THE BIORETENTION AREA. HEAVY vii a t` d V 4 CQ ~ I-III-III-III-III-I z - - - - -III =III=III=) I I= - - -I I KEY - 1 TEST PER BORROW SOURCE EQUIPMENT CAN BE USED AROUND THE PERIMETER TO SUPPLY ~ ~ ~ ~ a KEY PlANT1NG SOIL. GRADE BIORETENTION MATERIALS WITH LIGHT a p. C. F III-III-III-III-III ~ - . ~ ~i; ~-III- I III- TRENCH z = _ _ _ _ ~ ~ ~=III ~;~~PLANTING SOIL =1 I i-i i I-i i Q II-III-III-III-III-I I TRENCH O ~ W 3. ONE GRAIN SIZE ANALYSIS SHALL BE PERFORMED PER 90 EQUIPMENT SUCH AS A COMPACT LOADER OR A nn w a N a N a = _ _ = III=I , PROPOSED III-III-III-III-III I GRADE CUBIC YARDS OF PLANTING SOIL BUT NOT LESS THAN 1 TEST DOZER LOADER WITH MARSH TRACKS. ~ W Z ~ / zz PER BIORETEN110N AREA. w ~ ~ o 5 - - - - - GEOTEXTILE FABRIC (SEE _ t•;, Q Q Q O, .~w; = EL. 278.60 in I I=III= _ _ - -III _ (2:1 MAX.) _ III III I I I I MAT RIA - - - - E L SPECIFICATIONS) M,, ~ . ~ 4. MULCH LAYER GUIDELINES ~ ~ 0 0 III-I - - - -I , f 476{l "t~{M ~ .k I I I I-III-III-III , ~ , _ 4 MULCH SHALL BE WELL-AGED AND UNIFORM IN COIOR. xj ~ p"' Ea., ~ ~ WELL-AGED MULCH IS DEFINED AS MULCH THAT HAS BEEN ~ ~ I ~ I I= I _ _ - - .III ~ sn~ , , , ' , > ~ I- I I III III-III-I 6" PERFORATED PIPE - • ~_8 f STOCKPILED OR STORED FOR AT LEAST 6 MONTH . M H ~ ~ a x IN " -I - - - - - - -I J ~ 12 SQUARE X57 STONE JACK= _ _ I 1=1 I I-1 I I-1 I III- 12" SQUARE GRAVEL JACKETS WW w /TYPICAL OF ALL 4 DRAINS. I I I_I I I-I I I B ' NTS s uLC w x o SHOULD BE FREE OF WEED SEEDS, SOIL, ROOTS, OR ANY w Ot>a M M >y l ) ~ ~ 6" PERFORATED PVC EL. 278.6 6"DIA. SCHEDULE 40 PVC OTHER SUBSTANCE NOT CONSISTING OF EITHER BOLE OR z BRANCH WOOD AND BARK. THE MULCH SHALL BE UNIFORMLY ~ ~ • ~ O ~ ~ VARIES (REFER TO PLAN VIEW) PERFORATED WITH 3/8"0 APPLIED APPROXIMATELY 2 TO 3 INCHES IN DEPTH. GRASS z W ~ ~ _ HOLES ®6" ON-CENTER IN CLIPPINGS ARE UNSUITABLE FOR MULCH AND SHOULD BE w a a AVOIDED FOR USE WITHIN THE BID-RETENTION AREA. ~ - - - - X57 STONE JACKETS. STONE o p I I=III=III=1 I I=III=I TO BE WRAPPED IN c~ o GENERAL NOTEA Z INLET FRAME AND GRATE ~ ro ~ usEn Taman °y GPT101NL CUSTRUCTmN - IRfILTfHIt OUTLET STRUCTURE NOTES: ~ III=III=III=III=III GEOTEXTILE FABRIC (SEE NON-WOVEN GEOTEXTILE ~iZ << NCDOT STD 840.16 ~s "T As m~ECan ENGacER. c~ i i-iii-iii-iii-iii-i MATERIAL SPECIFICAT10NSl ~i rca ~eRRir eo~pnooinTC ~NO~ _ . _ _ <_r-E , r6-E , z,l _ i trr Faa~s~ PTO x~ u•v~n+'aarwuTmx ff nc m~rTOw~sus I I-III I ? I III-III I ~ ~ ~ M s i ~ D Fl • • TN a Pelwr wr K u/e6 P011 11[ Pou6eTw ~ ~ FOR SITE SOIL CONDITIONS z = D a R; ew,n, eee.n, ew.a w16 ue,a, cc si cc~ ro ~ I ~ ' iASC A-s s~wN w si~roi~ eaoa' ° w" 1. 18" RCP OUTLET BARREL SHALL BE CLASS III RCP, MODIFIED BELL AND SPIGOT, MEETING THE III-III-III-III-III INe ALL ?IIEP.YT ExowAUe» n«r AAD PAr N a - - - - SECTION SPECIFIED BY ON-SITE 'fT~~m ^ ws IN ADCONYJICE YITN /PeclPluna /xrloN w. F~ o N _ ~ I ST °~'~s r-s' D, ~PTM m ~ PX0`''~p srEPS I'-g I'-9' REQUIREMENTS OF ASTM C76-LATEST. THE PIPE JOINTS SHALL BE CONFINED 0 RING RUBBER GASKET w, w v_ " 'if~ F r-r off aNT~AS sTCrs sNUi ~ >M ACCDRDNiC[ vrtx sra e,ot,. ~~~o~ H r JOINTS MEETING ASTM C-443-LATEST AND JOINTS Of ASTM C-361-LATEST. THE PIPE JOINTS SHALL BE I I-III=III=III=III= GEOTECHNICAL ENGINEER. • xyo~ 1.0" t'-0 • 400° MI OONCflEiE' s ~ ~ ___I ~ ~M a III=1 I I=1 I I=1 I I=1 I I NOT TO SCALE { z„Q~~ • Pew=D! u~ NEINIONCIIq emI.1I~1.m M>r Ae1e zW TYPICAL OF ALL 4 DRAINS. i7~m"' ; Pql eeADE eD AND e~6E6 7enE PAMIC caY6wlxe YIQD_M~ iAns ~ ~zW II TYPE R-4.PROVIDED. y~LLO G o G E E ~ _ ~y~ i ~ .-f. - TD AetY A116 KITH z" YIN. 0.61AANGE. pdy ~ I I-III-III-III-III-I M o • PUCE LIrt NOLEB OA PIx6 Ix ADDDNOYIO! E171N Z W Z CeIeCP x1 N1 i • PIPE TOME YDI1w1ED TIRO MFDYHI AT JO! pTE ar W O z III-III-III-III-III DDNT g~"> ~ K K OUTLET STRUCTURE MATERIAL SPECIFICATIONS: • ~ n W~ N °E~ ti 1. ALL POURED CONCRETE SHALL BE MINIMUM 3000 PSI 28 DAY UNLESS OTHERWISE NOTED. ( ) O (I-III-III-III-III- o I - ALL ELE1ENTe PNlDAeT TO Y!R A11Y p17~ EL. 276.50 ~ ~ _ • wESDED w7nE PwNn YAr /E eurTITY76o ros NNM o ~ A H - - _ _ _ _ _ - t'-o - - - As ~aa Ae nc erg AAEA oP nEE~ Is PnwIOEO. • ONWPlN ALl OOANFM 1" ql NAY! A nA01D1 M 1"~ 2. GEOTEXTILE FABRIC FOR THE 18 INCH OUTLET BARREL JOINTS SHALL BE AMOCO STYLE 4553 I'-I vt' Pi F POLYPROPY N N N-W N N ;,T- LEE 0 OVE EEDLE PUNCHED OR APPROVED EQUAL (NON-WOVEN FABRIC) ct PROFILE o t' O.C~1T7T. e" -17iElpOrcrnauAr PLAN ~F FRAME NOT TO SCALE $ ~ ~ az°~E roA aYi tIa 4 m wrE: THE YINIYIAI sN1 ellE YMLL eE N eANe J 1' DEPRESSION T~1 ~ 1.T ~ CAST IRON rMx~wRS s i~c cam,' : ~ J ~ ANCNOas vIGGrBACK = e~ PLAN 3. ~ ONDING DRAWDOWN IS VIA A 6" PVC UNDERDRAIN, ~ ~ • p•~ q ~ z ELEVATION Ar e" aa,rnE tbNINAOTDA n7LL xAV! THE OPTION !E J ~o ~ ~ SIDE ro INCIIEAeE TNIe eAA BITE AB INEOEO. Ii ~ , I~I~ '-I~ PLAN OF GRAT N PLAN ~ ~ I G VITN GRATE R FRANE RENDVEp a+pva+p rosRpkl CF B0.TS ~ it D7aN Z~~ 3 N-~y 3~W < ~ cnsT IRaN STD. &al6 FRANE BERM SOIL AND COMPACTION SPECIFICATIONS: ~ Z~ N S GRATE Y Y 0 " ENDWALL DIMENSIDNS a d 3 ~ W s• 1. ALL FILL SOILS FOR BERM SECTION SHALL BE CLEAN, IMPERMEABLE MATERIAL AND COMPACTED TO AT ~ a ~ ~ LEAST 98% STANDARD PROCTOR MAXIMUM DRY DENSITY, AT OPTIMUM MOISTURE CONTENT. NO BLASTED g " ' e ~ ~ 0 ~ W2 (rt.) FT. YINIYtNI YIN.IYA%. MIN.IYA%. YIN.fYA%. YIN.fYAI(. YIN. JYAN. h ~ NTS ~ Z ~ PIPE OIA. BAA BITE N7(FT. NE FT. D FT. Y1 W2 O iv 1 ( 1 ( 1 g d II a ~°;'E• MATERIALS SHALL BE USED IN THE EMBANKMENT CONSTRUCTION. SOILS SHALL NOT EXHIBIT SIGNIFICANT _ ~ _1 .y c ~ SHRINK/SWELL vv^R DISPERSIVE CHARACTERISTICS. ~i ~ ~ p 1.0 /6 / 1.8618.00 8.00!8.76 1.4611.76 8.00/8.76 6.6016.00 ¢ ~ • N m I " F " 1. 2. . G V i [7 1.25 /6 / 8 86! 00 3.0018.76 1.2612.OD 3.60(,..76 8.6018.76 Z Z fZ Ire' 6' A 6' 6' B 6' SECTION G-G 1• 1, ~ rn~.ArttRr. urY>ASrLavaoEo H m ~ 7.50 66 P 8" 1.2612.00 30014.26 1.6012.6D 3.60/3.76 8.6018.75 N ~ X ~ ~ ~ 3'-3 3/1' 1' 1 a ez s PIGG BACK STUD tiNCF¢S 2. IN ALL FILL AREAS OF THE BERM, A SOILS COMPACTION TEST SHALL BE CONDUCTED EACH 2500 SQUARE ~ v ~ ~''3 _ FEET PER VERTICA F F 'd w N L OOT OF ILL. FILL SH„~L BE PLACED IN LIFTS NOT TO EXCEED 8 INCHES LOOSE CONCRETE DROP INLET W/ m m H 2.D N6 / e^ tsolz.5o 4.001+.76 1.7bIZ.50 4.00/4.25 7.b018~25 w FRAME & GRATE. INLET ~ z ~ ° 2.a /s / e^ z.sols.sD 4.oDle.oo z.oora.oo +.00!6.60 tD.oD/tt.ao y W ~ y W 2'-3 I/1' Ire' ~ n~ THICKNESS. PER NCDOT STD. 840.14. g ~ „ " a,o /6 / e" a.oola.6D 6.0016.00 II.T6/8.60 6.86/6.76 tt.60/it.76 ~ v ~ < 31M YM a 311' 31C c is ACP sAUr . ,BAR _ asi.~sFr 3. A KEY TRENCH IS TO BE PROVIDED IN ALL FILL AREAS. TRENCH TO EXTEND A MINIMUM OF FIVE FEET FRAME PER NCDOT STD. TOP OF GRATE AND FRAME {STD 840.16) EL 281.50 a ° 6~ ` a.a /6 / e" a.eal+.6o e.oor6.76 a.r!6/a.6o e.DOro.Ta tz.oona.26 ~ W N 9 \ ~ 840.16. a, ~ PLAN 1 ` +.0 66 6 e" a.eol+,6o e.a617.o0 a.z6la.eo e.6D1e.76 ta.oona.26 W d o V eons a Q ~ W v: - n, w ee ~ ~ NorE ppyd a ~ ~ ~ BELOW EXISTING GRADE. SOILS AND COMPACTION FOR KEY TRENCH SHALL MEET ALL REQUIREMENT OF 1 d ~ SECTION X-X SECTION Y-Y ABOVE. ~ ~ +.6 N6 a 6" +.00!6.00 6.601/.60 8.8614,00 7.D019.25 13.60/16.76 W MULCH LAYER 6.0 /6 a e" +.60!6.00 7.0016.60 s.z6l+,ao 7.z5/e.z5 19.75/16.76 2118' r/r a" 6.6 /b 6 0" +.6016.00 7.b016.b0 9.2614.00 7.2518.25 t4.00l76.76 3'-l 3/4' iu iu 2 ~ DD£NS[aNS AND 9UANTITIES FOR DROP INLET v ~ 2'-I 3/4' N N DIMENSIONS OF Bmf 4 PIPE DEDUCTIONS FDR 13~' va+E SPAN VIaTH T IN ~ pNE vIPE 4. NO TREES OF ANY TYPE MAY BE LOCATED ON THE BERM SECTION. 2' ALL 1 Cu YDS DOWEL CI..I 0 _ _ _ _ EL. 280.50 6.0 NS 0 6" 4.60/6.00 7.6016.60 8.86M.oD 7.76!9.26 74.76/18.76 _I I I-III-III-III-I I I ~ - - 3'-6' z,_6. a A e N SLAG rt. N MIN N 5. FILL PLACEMENT HA N ~ _ _ _ ' • • III-III-III-III-III a,-PLANTING SOIL LAYER 1 ~ 1 eNEEf , D7, ~=111=111=111=11 I~ 4• •a: I I I,~I i ~I i ~I i I-I i -I i I-. 83g.eo eas"eo a+FE< ~ ~ S _ Ie• r-o• r-o' r-~• om ozn aTOa aaaB o.o+e S LL OT EXCEED A MAXIMUM 8 LIFT. EACH LIFT SHALL BE CONTINUOUS FOR THE B3B.80 ,,ECTION H H SECTION E-E SECTION F-F ENTIRE LENGTH OF EMBANKMENT. BEFORE PLACEMENT OF FILL FOR THE BERM SECTION, ALL UNSUITABLE ~ I I=1 I I-1 I I=1 I I=1 I I•;:. ~ I I-1 I I- III I I I_I I I_I I I-I CONCRETE DROP INLET NCDOT STD 840.14 MATERIAL SHALL BE REMOVED AND THE SURFACE PROPERLY PREPARED FOR FILL PLACEMENT. ~ -I 1 i-11 I-11 I-11 I. e• " III-11 I-11 I- III III ~ n SEEDBED PREPARATION FOR STABILIZATION OF DOWNSTREAM SLOPES ~ n =I _ _ = II-III-III-III-III-III- 6 V III-III-III...:. 111==--=_ ~ I - - . , „ - III III-III-III I I 7 U ~=1 i I=1 I I . a 8 RCP =I LA-8 N .I - - TS 1.) CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES DEEP OVER ADVERSE SOIL CONDITIONS, IF i LA-8 NTS AVAILABLE. 11=III=III: - - 6" PVC UNDERDRAIN 2.) RIP THE ENTIRE AREA TO 6 INCHES DEPTH. U -III=11 I ; ~ AND JUNCTION 11E EL. 278.60 12" 3.) REMOVE ALL LOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS LEAVING SURFACE REASONABLY SMOOTH -III-III . a ~ ! ' . . . _ 'a. . - AND UNIFORM. _I I I _ . • _ _ ° _ III-III-III-I I - _ _ _ _ _ a _ _ _ I III-III_ I - - - _ NCDOT STD. 838.80 4.) APPLY AGRICULTURAL LIME, FERTILIZER, AND SUPERPHOSPHATE UNIFORMLY AND MIX WITH OI O S L (SEE WINGED ENDWALL NCDOT CLASS "B" RIP-RAP BELOW*). GA • -III ~ -_-_-III-III-I - - - _ _ 11 III III I I I=11 I=11 I=11 I=1 I I=1 I I=11 I=11 I=11 I=1 I I=11 I=1 ~ I=I I I=~ I 9 Lx11 Wx22"THICK 5.) CONTINUE TILLAGE UNTIL AWELL-PULVERIZED, FIRM REASONABLY UNIFORM SEEDBED IS PREPARED 4 ~ I. .I 11=III -1 I I=I I I_I I I-1 11-1 I ~ . I-1 I I=1' ' 18" 0-RIM R P AVG. DIA. = 6 TO 6 INCHES DEEP. ~ ~ G C ~ 6.) SEED ON A FRESHLY PREPARED SEEDBED AND COVER ~ 1a' o1a. N A A 7.) MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH, ~ 0 5 90 DEGREE BEND 0-RING RCP it _ 8.) INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEEDINGS WITHIN THE PLANTING ~ OBSERVATION WELL ~-8 NTS /CLEANOUT ° SEASON, IF POSSIBLE. IF STAND SHOULD BE OVER 609 DAMAGED REESTABLISH FOLLOWING RI IN IM ° FERTILIZER AN IN 0 G AL L E, G RA EED LIGHTLY WITH SEEDING EQUIPMENT OR CULTIPACK AFTER SEEDING. ~ 9.) CON T CONSERVATION INSP R ON MAINTENANCE TREATMENT AND FERTILIZATION AFTER PERMANENT ScREw roP uD• COVER ESTABUSHEO. * e seasonal application schedule FINISHED GRADE 1 3 F 6" 0 PV IV 1.25' MIN. PROJECTION 0) NOTE TO CONTRACTOR . RIPRAP ~ ~ T W . i,. V I I I=1 I I I I~-_I I I~ ~ 11= - ~ ~ II~II ~I~III~II~IE • S ORM ATER PONDS USED AS SEDIMENT BASINS DURING CONSTRUCTION SHALL BE CLEANED OUT (LE. 5 WIDE ' ' ' ` ~ ~ SEDIMENT, TRASH, ETC.) AND REVEGETATED (IF NECESSARY) PRIOR TO USE AS STORMWATER PONDS. PLANTING a PANELLA TYPE CLEANOUT 7:~ :~c NCDOT STD. 838.80 9' SOIL SHALL NOT BE ADDED TO THE BIORETENTION AREA UNTIL THE SITE HAS BEEN STABILIZED AND EROSION N WITH COUNTERSUNK HEAD T-TYPE 123 LF 6 0 PV JOINTS ~ ~ r WINGED ENDWALL ~ CONTROL OFFICER HAS GRANTED APPROVAL. ~ i / fV ~ . PLAN T OF R PONSIBILITY YI ~ ~ Y) g PIPE SEAL GASKET .h ~ ~ 18" DIA. MQY yy ~ 0-RING RCP < ' 1 6 2~ ~5 ALL REQUIRE NA AND PE SHAL E RESPO Y Of THE R, PER THE N a / ,f ' EXECUTED OPERATION AND MAINTENANCE AGREEMENT FOR THIS FACILITY. 18" 0-RING , 123 LF 6 Tb PVC RCP _ 'a',~;~ F•^ ^11~1UTY WETLrU~iUS~,~VaS~iOi'" v, . - - III=1 I I~ I H I 22" LAYER of I IN I II ~ to 6' P.V.C. SOIL PIPE ~ TIE INTO DROP INLET BOX -II - - - - CLASS '2' RIP-RAP DATE Q r w I I Inl - - = "FILTER BLANKET 4-6-05 al Tll;~lln.~l~l~~l~~l~ ~ _ I _ SCALE 5 ~I m NOTES: 1 "=20' 1. CONCRETE FOf 1. CONCRETE FOR COLLAR SHALL BE 3000 PSI MIN. 28 SECTION A-A +b DAY STRENGTF 'ABOVE DETAIL FRONDED AS SCHEMATIC SCREW TOP P.V.C. WELL CAP ONLY DAY STRENGTH. ( ~ N T ' FILTER BLANKET DESIGNED BY REJ g EACH OBSERVATION WELL/CLEANOUT SHALL INCLUDE THE FOLLOWING: 2. COLLAR SHAH TIGHT JOINT. A FILTER BLANKET IS TO BE INSTALLED (SEE NOTE ) 2. COLLAR SHALL BE CONNECTED TO 18" RCP WITH A WATER DRAWN BY tIGHr JOINT. BETWEEN THE RIPRAP AND SOIL FOUNDATION. FEW ~ 1. FOR AN UNOERGRWND FLUSH MOUNTED 085ERYAlION WELL/CLEANOUT, PROVIDE A TUBE - MADE aF NON-CORROSIVE MATERIAL, SCHEDULE 40 OR EQUAL, AT LEAST THREE FEET LONG N6TH 3. COLLAR SHAH THE FILTER BLANKET WILL CONSIST OF A CHECKED BY ~ AN INSIDE DIAMETER OF AT LEAST 6 INCITES. 3. COLLAR SHALL BE PLACED ALONG BARREL AT CENTER OF BERM. MINIMUM 4" THICK LAYER OF STONE (NCDOT DAC 4. ANTI-SEEP CO 0 2. THE TUBE SHALL HAVE A FACTORY ATTACHED CAST IRON OR HIGH IMPACT PLA571C COLLAR M IWTH RIBS TO PREVENT ROTATION WHEN REMONNG SCREW TOP LID. THE SCREW TOP LID SHALL FROM PIPE Jq 4. ANTI-SEEP COLLAR SHALL BE PLACED A MINIMUM OF 2' #57) UNDERLAIN WITH MIRAFI FILTER WEAVE FROM PIPE JaNTS. 700 OR APPROVED EQUIVALENT JOB Q BE CAST IRON OR HIGH IMPACT PLASTIC THAT WILL WITHSTAND ULTRAVIOLET RAYS. I 2003-034 34 m m 9 SHEET ° ~ 8 10 m ~ LA-8 NTS ° ' LA-8 LA-8 q a NTS n NTS LA-8 NTS 8 e a X PRELIhIINARIJ DESIGN -NOT RELEASED FOR CONSTRUCTIO:v of $ SHEETS TS ca X B 'BRIEN\\ AT �S A�SOCATES, P.A.) \ 9 ) \ =284. LA- \ B =283.00\ _ 5 / \ LA-$ / N ` 10 / LA -8 00 k + 80.50 / /1 X18 ^(b { 2 \\ \ so to -4 / 1' PROPOSED CONTOURS I / SHOWN FOR CLARITY / 3 i Q/ TW=288.50 - ro1 GO \ �' BG=288.00 jCi�'I �" Q/ / EXISTING 18" RCP 0 INV= 274.2' 8 �L LA -8 - G �_ -----�-�------ CP- \ EXISTING CONCRETE --- 2 \ C \ / INV .2.94--, \ CONCRETE DROP INLET W/ FRAME ME &GRATE. INLET PER NCDOT STD. 840.14. FRAME PER NCDOT STD. 840.16. 5 LA -8 RETAINING WALL AND GUARDRAIL BY OTHERS PLANT SPECIES (SEE TOP OF CURB PLANTING PLAN) MULCH LAYER MAX. PONIED -III-III-III NOT SHOWN WATER DEPTH FOR CLARITY r I MI MI 1-I EL. 281.50 FT. (12 ) -I I-III=III-I -I I -III -III -I EL 280.50 -IIS ;111,;,111„1111- z� ` Ild_z' kl . III�,III,I,II IIIIII I'' =III Pl-ANTiNG y r� I I- PROPOSED III -I tr SOIL GRADE TLE FABRIC (SEE -III' 1 v 1 * L= -'J h ` �0 " (1- EL. 278.60 (2:1 MAX.) L SPECIFICATIONS) sr ? mak§ La ,4 i ORATED PIPE '- =ARE #57 STONE JACKEfi= -I 1=1I 1=1I I -1I I III- 12" SQUARE GRAVEL JACKETS _ OF ALL 4 DRAINS.) III -1 I I=� 6 6"DIA. SCHEDULE 40 PVC VARIES (REFER TO PLAN VIEW) PERFORATED WITH 3/8"0 HOLES 0 6" ON -CENTER IN #57 STONE JACKETS. STONE TO BE WRAPPED IN TLE FABRIC (SEE NON -WOVEN GEOTEXTILE L SPECIFICATIONS) FILTER FABRIC APPROPRIATE��$T„ FOR SITE SOIL CONDITIONS SECTION SPECIFIED BY ON-SITE �1Tm GEOTECHNICAL ENGINEER. z?i%p NOT TO SCALE (TYPICAL OF ALL 4 DRAINS.) 6-9- >f jM F y2C C4 EL. 276.50 PROFILE NOT TO SCALE r3 7� TYPICAL BIORETENTION AREA CROSS SECTION A' -A' NTS TOP OF GRATE AND FRAME (STD 840.16) EL 281.50 MULCH LAYER •e ' 4•` --II EL. 280.50 4 III-III-III-IIIPLANTING SOIL LAYER ..a •. • � • °:III III III III III I I I TIT-T1T-ITT-rTT-TIT-rI- 1I-I 11-I I MI 11-I 11=1 1I- -I I I -I 1 I -I ...'. I�III��IIIII�IIII��IIII��IIII��III 18" RCP - -- - 6" PVC UNDERDRAIN f• AND JUNCTION TIE i 4 •� a - - .- 1II III-III=1I-I II -1I- I I I=1 I I-1 I I=1 I I-III=III-III=1 I I=1 I I -III -1 I I--� i=1 11 TENTION AREA OUTLET DETAIL NTS 'RADE (PE CLEANOUT IERSUNK HEAD SKET PIPE *ABOVE DETAIL PROVIDED AS SCHEMATIC SCREW TOP P.V.C. WELL CAP ONLY EACH OBSERVATION WELL/CLEANOUT SHALL INCLUDE THE FOLLOWING: 1. FOR AN UNDERGROUND FLUSH MOUNTED OBSERVATION WELL/CLEANOUT, PROVIDE A TUBE MADE OF NON -CORROSIVE MATERIAL, SCHEDULE 40 OR EQUAL. AT LEAST THREE FEET LONG WITH AN INSIDE DIAMETER OF AT LEAST 6 INCHES. 2. THE TUBE SHALL HAVE A FACTORY ATTACHED CAST IRON OR HIGH IMPACT PLASTIC COLLAR WITH RIBS TO PREVENT ROTATION WHEN REMOVING SCREW TOP LID. THE SCREW TOP LID SHALL BE CAST IRON OR HIGH IMPACT PLASTIC THAT WALL WITHSTAND ULTRAVIOLET RAYS. OBSERVATION WELL/CLEANOUT DETAIL NTS EL. 278.60 T- TYPE JOINTS $ m OJ m " m r y x p � Ca i%; -i 0� y O c 12-90Z N m v m M w = z G) o 0 M TOP OF BERM ELEV. = 283.0 DROP INLET CREST ELEV. = 281.50 BASIN INVERT ELEV. = 280.50 STORM LEGEND S 16'57'50" 225.00' NOTES PROPERTY BOUNDRY BIORETENTION AREA - of N/A EXISTING CONTOUR �-8 46 SAND 35-60% PROPOSED CONTOUR -SO-SO-SD-EXISTING ow STORM DRAINAGE SOIL SHALL BE FREE OF BERMUDA GRASS, JOHNSON GRASS, PIP STORM DRAINAGE CLAY 10-25% THISTLE OR OTHERS AS SPECIFIED. CATCH BASIN W70 -ft © FLARED END SECTION CONCRETE DROP INLET W/ FRAME ME &GRATE. INLET PER NCDOT STD. 840.14. FRAME PER NCDOT STD. 840.16. 5 LA -8 RETAINING WALL AND GUARDRAIL BY OTHERS PLANT SPECIES (SEE TOP OF CURB PLANTING PLAN) MULCH LAYER MAX. PONIED -III-III-III NOT SHOWN WATER DEPTH FOR CLARITY r I MI MI 1-I EL. 281.50 FT. (12 ) -I I-III=III-I -I I -III -III -I EL 280.50 -IIS ;111,;,111„1111- z� ` Ild_z' kl . III�,III,I,II IIIIII I'' =III Pl-ANTiNG y r� I I- PROPOSED III -I tr SOIL GRADE TLE FABRIC (SEE -III' 1 v 1 * L= -'J h ` �0 " (1- EL. 278.60 (2:1 MAX.) L SPECIFICATIONS) sr ? mak§ La ,4 i ORATED PIPE '- =ARE #57 STONE JACKEfi= -I 1=1I 1=1I I -1I I III- 12" SQUARE GRAVEL JACKETS _ OF ALL 4 DRAINS.) III -1 I I=� 6 6"DIA. SCHEDULE 40 PVC VARIES (REFER TO PLAN VIEW) PERFORATED WITH 3/8"0 HOLES 0 6" ON -CENTER IN #57 STONE JACKETS. STONE TO BE WRAPPED IN TLE FABRIC (SEE NON -WOVEN GEOTEXTILE L SPECIFICATIONS) FILTER FABRIC APPROPRIATE��$T„ FOR SITE SOIL CONDITIONS SECTION SPECIFIED BY ON-SITE �1Tm GEOTECHNICAL ENGINEER. z?i%p NOT TO SCALE (TYPICAL OF ALL 4 DRAINS.) 6-9- >f jM F y2C C4 EL. 276.50 PROFILE NOT TO SCALE r3 7� TYPICAL BIORETENTION AREA CROSS SECTION A' -A' NTS TOP OF GRATE AND FRAME (STD 840.16) EL 281.50 MULCH LAYER •e ' 4•` --II EL. 280.50 4 III-III-III-IIIPLANTING SOIL LAYER ..a •. • � • °:III III III III III I I I TIT-T1T-ITT-rTT-TIT-rI- 1I-I 11-I I MI 11-I 11=1 1I- -I I I -I 1 I -I ...'. I�III��IIIII�IIII��IIII��IIII��III 18" RCP - -- - 6" PVC UNDERDRAIN f• AND JUNCTION TIE i 4 •� a - - .- 1II III-III=1I-I II -1I- I I I=1 I I-1 I I=1 I I-III=III-III=1 I I=1 I I -III -1 I I--� i=1 11 TENTION AREA OUTLET DETAIL NTS 'RADE (PE CLEANOUT IERSUNK HEAD SKET PIPE *ABOVE DETAIL PROVIDED AS SCHEMATIC SCREW TOP P.V.C. WELL CAP ONLY EACH OBSERVATION WELL/CLEANOUT SHALL INCLUDE THE FOLLOWING: 1. FOR AN UNDERGROUND FLUSH MOUNTED OBSERVATION WELL/CLEANOUT, PROVIDE A TUBE MADE OF NON -CORROSIVE MATERIAL, SCHEDULE 40 OR EQUAL. AT LEAST THREE FEET LONG WITH AN INSIDE DIAMETER OF AT LEAST 6 INCHES. 2. THE TUBE SHALL HAVE A FACTORY ATTACHED CAST IRON OR HIGH IMPACT PLASTIC COLLAR WITH RIBS TO PREVENT ROTATION WHEN REMOVING SCREW TOP LID. THE SCREW TOP LID SHALL BE CAST IRON OR HIGH IMPACT PLASTIC THAT WALL WITHSTAND ULTRAVIOLET RAYS. OBSERVATION WELL/CLEANOUT DETAIL NTS EL. 278.60 T- TYPE JOINTS $ m OJ m " m r y x p � Ca i%; -i 0� y O c 12-90Z N m v m M w = z G) o 0 M TOP OF BERM ELEV. = 283.0 DROP INLET CREST ELEV. = 281.50 BASIN INVERT ELEV. = 280.50 SPECIFICATIONS • NOTES PLANTINGS SEE PLANTING PLAN N/A PLANTINGS ARE SITE-SPECIFIC PLANTING SOIL SAND 35-60% N/A BIORETENTION AREA IS EXCAVATED USING A LOADER, THE ow SILT 30-55% SOIL SHALL BE FREE OF BERMUDA GRASS, JOHNSON GRASS, PIP QUACK GRASS, MUGWORT, NUTSEDGE, POISON IVY, CANADIEN CLAY 10-25% THISTLE OR OTHERS AS SPECIFIED. If W70 -ft SHREDDED HARDWOOD, N/A AGED 6 MONTHS, MINIMUM PROVIDE ALL REINFORCING STEEL WHICH WITS ASTM MI6 FOR GRADE 80 AND WELDED RINE FABRIC CONFOMRIS SHREDDED WOOD CHIPS, pH RANGE 5.5 to 6.5 (DO NOT USE PINE BARK ORGANIC MATTER 1.5 to 3.0% (BY WEIGHT) OR OTHER SIMILAR MAGNESIUM - Mg 35 lbs/acre NUGGETS) PHOSPHORUS - PHOSPHATE (P2 OS ) 100 lbs/acre MATERIAL POTASSIUM - POTASH (K 2 0) 85 lbs/acre PUMP ANY PONDED WATER BEFORE PREPARING GEOTEXTILE CLASS "C" - APPARENT N/A FOR USE AS NECESSARY THE ABOVE SOIL CONSTITUENTS OPENING SIZE 2.50/3.50 AROUND JACKETED 1. pH, ORGANIC MATTER: 1 TEST PER 90 CUBIC YARDS BUT (ASTM -4751), GRAB NOT LESS THAN 1 TEST PER 810 -RETENTION AREA' UNDERDRAINS ONLY (GEOTEX • ALL ELEMENTS PRECAST TO MEET ARM 0017. TENSILE STRENGTH 2. MAGNESIUM, PHOSPHORUS, POTASSIUM, AND SOLUBLE 801 OR APPROVED SALTS: 1 TEST PER 500 CUBIC YARDS BUT NOT LESS THAN (ASTM -D-4632), EQUIVALENT- NONWOVEN - - - ASLONo AB THE SAME AREAOF STEEL 16 PROVIDED. PUNCTURE RESISTANCE 4.0 GEOTEXTILE) • CHAMFER ALl CORNERS 1" OR HAVE A RAB11S OF 1". S" O.C. M. (ASTM -4833) 8.50/6.76 12.00/13.25 UNDERDRAIN F 758, TYPE PS 28 OR 6" RIGID 3/8" PERF. 0 6" ON CENTER, PIPING AASHTO M-278 SCHEDULE 40 4 HOLES PER ROW. NOTE: THE HHINIMIM WAR SIZE b1ALL 6E PR MTI! AT 6" CTS.THE CONTRACTOR WILL HAVE THEOPTION h PVC OR SDR35 1'-7 SAI' 1'-7 5/8' UNDERDRAIN AASHTO-M-43 OR 0.25' TO 0.75' 7.50/8.50 3.25/4.00 GRAVEL #57 STONE 6.0 N 4.60/5.00 E 7.75/8.25 14.76/18.76 d CU r- 6)CU Cadd \ (Yj d � L � CD Cu F- - 0 O ■� L 4-> Q UCS N � L PQ d S u �In� s Q o a_ Q:�z wyyTtQy o � a` Y U VO'�1S193d /"e•v ••ci; oda. _'p`�?�P\-. J10 Q ; U z's vi QLLJ N . e 0 Q . 01 1---i 26.wif alWRW.,R_ Ew W. o I --a z w C\1 �a O � W�0. iII-z n z�N W 0 CD CD ►moi o a F � 0 E-+ U a x ', z�0 co GQ W ^ z w C'. wlxa � O J +J • rmmm� 7Cn O �I U r� CD d� O7 O 4, v Ov U bw 1 ;-.11 WU o � GA • r..� • ,4-IMS11, O • DATE 4-6-05 SCALE 1 "=20' DESIGNED BY EJ DRAWN BY FEW CHECKED BY DAC JOB 2003-034 SHEET LA -8 ❑F $ SHEETS CONCRETE DROP INLET W/ FRAME ME &GRATE. INLET PER NCDOT STD. 840.14. FRAME PER NCDOT STD. 840.16. 5 LA -8 RETAINING WALL AND GUARDRAIL BY OTHERS PLANT SPECIES (SEE TOP OF CURB PLANTING PLAN) MULCH LAYER MAX. PONIED -III-III-III NOT SHOWN WATER DEPTH FOR CLARITY r I MI MI 1-I EL. 281.50 FT. (12 ) -I I-III=III-I -I I -III -III -I EL 280.50 -IIS ;111,;,111„1111- z� ` Ild_z' kl . III�,III,I,II IIIIII I'' =III Pl-ANTiNG y r� I I- PROPOSED III -I tr SOIL GRADE TLE FABRIC (SEE -III' 1 v 1 * L= -'J h ` �0 " (1- EL. 278.60 (2:1 MAX.) L SPECIFICATIONS) sr ? mak§ La ,4 i ORATED PIPE '- =ARE #57 STONE JACKEfi= -I 1=1I 1=1I I -1I I III- 12" SQUARE GRAVEL JACKETS _ OF ALL 4 DRAINS.) III -1 I I=� 6 6"DIA. SCHEDULE 40 PVC VARIES (REFER TO PLAN VIEW) PERFORATED WITH 3/8"0 HOLES 0 6" ON -CENTER IN #57 STONE JACKETS. STONE TO BE WRAPPED IN TLE FABRIC (SEE NON -WOVEN GEOTEXTILE L SPECIFICATIONS) FILTER FABRIC APPROPRIATE��$T„ FOR SITE SOIL CONDITIONS SECTION SPECIFIED BY ON-SITE �1Tm GEOTECHNICAL ENGINEER. z?i%p NOT TO SCALE (TYPICAL OF ALL 4 DRAINS.) 6-9- >f jM F y2C C4 EL. 276.50 PROFILE NOT TO SCALE r3 7� TYPICAL BIORETENTION AREA CROSS SECTION A' -A' NTS TOP OF GRATE AND FRAME (STD 840.16) EL 281.50 MULCH LAYER •e ' 4•` --II EL. 280.50 4 III-III-III-IIIPLANTING SOIL LAYER ..a •. • � • °:III III III III III I I I TIT-T1T-ITT-rTT-TIT-rI- 1I-I 11-I I MI 11-I 11=1 1I- -I I I -I 1 I -I ...'. I�III��IIIII�IIII��IIII��IIII��III 18" RCP - -- - 6" PVC UNDERDRAIN f• AND JUNCTION TIE i 4 •� a - - .- 1II III-III=1I-I II -1I- I I I=1 I I-1 I I=1 I I-III=III-III=1 I I=1 I I -III -1 I I--� i=1 11 TENTION AREA OUTLET DETAIL NTS 'RADE (PE CLEANOUT IERSUNK HEAD SKET PIPE *ABOVE DETAIL PROVIDED AS SCHEMATIC SCREW TOP P.V.C. WELL CAP ONLY EACH OBSERVATION WELL/CLEANOUT SHALL INCLUDE THE FOLLOWING: 1. FOR AN UNDERGROUND FLUSH MOUNTED OBSERVATION WELL/CLEANOUT, PROVIDE A TUBE MADE OF NON -CORROSIVE MATERIAL, SCHEDULE 40 OR EQUAL. AT LEAST THREE FEET LONG WITH AN INSIDE DIAMETER OF AT LEAST 6 INCHES. 2. THE TUBE SHALL HAVE A FACTORY ATTACHED CAST IRON OR HIGH IMPACT PLASTIC COLLAR WITH RIBS TO PREVENT ROTATION WHEN REMOVING SCREW TOP LID. THE SCREW TOP LID SHALL BE CAST IRON OR HIGH IMPACT PLASTIC THAT WALL WITHSTAND ULTRAVIOLET RAYS. OBSERVATION WELL/CLEANOUT DETAIL NTS EL. 278.60 T- TYPE JOINTS $ m OJ m " m r y x p � Ca i%; -i 0� y O c 12-90Z N m v m M w = z G) o 0 M TOP OF BERM ELEV. = 283.0 DROP INLET CREST ELEV. = 281.50 BASIN INVERT ELEV. = 280.50 40000 / / / / + TW 287.25 / BW 284 / / + / I� L � ko' / 1 / BW 290.7 N, iol/ i TW 291.00 (b / BW 289.00 - ,6. At► !� / 0 S 6/tOR Cb --- ----------- 6" UNDERDRAIN INVERT ELEV. 278.60 R1 H2 00/RCP N1 o; FF Tyr.) REFER TO 0111"FOR SM SIZE ELEVATION PLAN 2g0 i 2 SEE LANDSCAPING SHEET FOR -$ BIORETENTION AREA PLANTING PLAN 1 5' MIN. _ BIORETENTION AREA SPECIFICATIONS THE BIORETENTION FACILITY SHALL NOT BE CONSTRUCTED UNTIL ALL CONTRIBUTING DRAINAGE AREA HAS BEEN STABILIZED 1. MATERIAL SPECIFICATIONS (SEE TABLE BELOW) MATERIAL SPECIFICATIONS SIZE NOTES PLANTINGS SEE PLANTING PLAN N/A PLANTINGS ARE SITE-SPECIFIC PLANTING SOIL SAND 35-60% N/A BIORETENTION AREA IS EXCAVATED USING A LOADER, THE ow SILT 30-55% SOIL SHALL BE FREE OF BERMUDA GRASS, JOHNSON GRASS, PIP QUACK GRASS, MUGWORT, NUTSEDGE, POISON IVY, CANADIEN CLAY 10-25% THISTLE OR OTHERS AS SPECIFIED. If W70 -ft SHREDDED HARDWOOD, N/A AGED 6 MONTHS, MINIMUM PROVIDE ALL REINFORCING STEEL WHICH WITS ASTM MI6 FOR GRADE 80 AND WELDED RINE FABRIC CONFOMRIS SHREDDED WOOD CHIPS, pH RANGE 5.5 to 6.5 (DO NOT USE PINE BARK ORGANIC MATTER 1.5 to 3.0% (BY WEIGHT) OR OTHER SIMILAR MAGNESIUM - Mg 35 lbs/acre NUGGETS) PHOSPHORUS - PHOSPHATE (P2 OS ) 100 lbs/acre MATERIAL POTASSIUM - POTASH (K 2 0) 85 lbs/acre PUMP ANY PONDED WATER BEFORE PREPARING GEOTEXTILE CLASS "C" - APPARENT N/A FOR USE AS NECESSARY THE ABOVE SOIL CONSTITUENTS OPENING SIZE 2.50/3.50 AROUND JACKETED 1. pH, ORGANIC MATTER: 1 TEST PER 90 CUBIC YARDS BUT (ASTM -4751), GRAB NOT LESS THAN 1 TEST PER 810 -RETENTION AREA' UNDERDRAINS ONLY (GEOTEX • ALL ELEMENTS PRECAST TO MEET ARM 0017. TENSILE STRENGTH 2. MAGNESIUM, PHOSPHORUS, POTASSIUM, AND SOLUBLE 801 OR APPROVED SALTS: 1 TEST PER 500 CUBIC YARDS BUT NOT LESS THAN (ASTM -D-4632), EQUIVALENT- NONWOVEN - - - ASLONo AB THE SAME AREAOF STEEL 16 PROVIDED. PUNCTURE RESISTANCE 4.0 GEOTEXTILE) • CHAMFER ALl CORNERS 1" OR HAVE A RAB11S OF 1". S" O.C. M. (ASTM -4833) 8.50/6.76 12.00/13.25 UNDERDRAIN F 758, TYPE PS 28 OR 6" RIGID 3/8" PERF. 0 6" ON CENTER, PIPING AASHTO M-278 SCHEDULE 40 4 HOLES PER ROW. NOTE: THE HHINIMIM WAR SIZE b1ALL 6E PR MTI! AT 6" CTS.THE CONTRACTOR WILL HAVE THEOPTION h PVC OR SDR35 1'-7 SAI' 1'-7 5/8' UNDERDRAIN AASHTO-M-43 OR 0.25' TO 0.75' 7.50/8.50 3.25/4.00 GRAVEL #57 STONE 6.0 N 4.60/5.00 E 7.75/8.25 14.76/18.76 d CU r- 6)CU Cadd \ (Yj d � L � CD Cu F- - 0 O ■� L 4-> Q UCS N � L PQ d S u �In� s Q o a_ Q:�z wyyTtQy o � a` Y U VO'�1S193d /"e•v ••ci; oda. _'p`�?�P\-. J10 Q ; U z's vi QLLJ N . e 40000 / / / / + TW 287.25 / BW 284 / / + / I� L � ko' / 1 / BW 290.7 N, iol/ i TW 291.00 (b / BW 289.00 - ,6. At► !� / 0 S 6/tOR Cb --- ----------- 6" UNDERDRAIN INVERT ELEV. 278.60 R1 H2 00/RCP N1 o; FF Tyr.) REFER TO 0111"FOR SM SIZE ELEVATION PLAN 2g0 i 2 SEE LANDSCAPING SHEET FOR -$ BIORETENTION AREA PLANTING PLAN 1 5' MIN. _ BIORETENTION AREA SPECIFICATIONS THE BIORETENTION FACILITY SHALL NOT BE CONSTRUCTED UNTIL ALL CONTRIBUTING DRAINAGE AREA HAS BEEN STABILIZED 1. MATERIAL SPECIFICATIONS (SEE TABLE BELOW) MATERIAL SPECIFICATIONS SIZE NOTES PLANTINGS SEE PLANTING PLAN N/A PLANTINGS ARE SITE-SPECIFIC PLANTING SOIL SAND 35-60% N/A BIORETENTION AREA IS EXCAVATED USING A LOADER, THE 4' DEEP SILT 30-55% SOIL SHALL BE FREE OF BERMUDA GRASS, JOHNSON GRASS, EQUIPMENT, OR LIGHT EQUIPMENT WITH TURF TYPE TIRES. QUACK GRASS, MUGWORT, NUTSEDGE, POISON IVY, CANADIEN CLAY 10-25% THISTLE OR OTHERS AS SPECIFIED. CAN BE ALLEVIATED BY USING A PRIMARY TILLING OPERATION MULCH SHREDDED HARDWOOD, N/A AGED 6 MONTHS, MINIMUM PROVIDE ALL REINFORCING STEEL WHICH WITS ASTM MI6 FOR GRADE 80 AND WELDED RINE FABRIC CONFOMRIS SHREDDED WOOD CHIPS, pH RANGE 5.5 to 6.5 (DO NOT USE PINE BARK ORGANIC MATTER 1.5 to 3.0% (BY WEIGHT) OR OTHER SIMILAR MAGNESIUM - Mg 35 lbs/acre NUGGETS) PHOSPHORUS - PHOSPHATE (P2 OS ) 100 lbs/acre MATERIAL POTASSIUM - POTASH (K 2 0) 85 lbs/acre PUMP ANY PONDED WATER BEFORE PREPARING GEOTEXTILE CLASS "C" - APPARENT N/A FOR USE AS NECESSARY THE ABOVE SOIL CONSTITUENTS OPENING SIZE 2.50/3.50 AROUND JACKETED 1. pH, ORGANIC MATTER: 1 TEST PER 90 CUBIC YARDS BUT (ASTM -4751), GRAB NOT LESS THAN 1 TEST PER 810 -RETENTION AREA' UNDERDRAINS ONLY (GEOTEX • ALL ELEMENTS PRECAST TO MEET ARM 0017. TENSILE STRENGTH 2. MAGNESIUM, PHOSPHORUS, POTASSIUM, AND SOLUBLE 801 OR APPROVED SALTS: 1 TEST PER 500 CUBIC YARDS BUT NOT LESS THAN (ASTM -D-4632), EQUIVALENT- NONWOVEN - - - ASLONo AB THE SAME AREAOF STEEL 16 PROVIDED. PUNCTURE RESISTANCE 4.0 GEOTEXTILE) • CHAMFER ALl CORNERS 1" OR HAVE A RAB11S OF 1". S" O.C. M. (ASTM -4833) 8.50/6.76 12.00/13.25 UNDERDRAIN F 758, TYPE PS 28 OR 6" RIGID 3/8" PERF. 0 6" ON CENTER, PIPING AASHTO M-278 SCHEDULE 40 4 HOLES PER ROW. NOTE: THE HHINIMIM WAR SIZE b1ALL 6E PR MTI! AT 6" CTS.THE CONTRACTOR WILL HAVE THEOPTION h PVC OR SDR35 1'-7 SAI' 1'-7 5/8' UNDERDRAIN AASHTO-M-43 OR 0.25' TO 0.75' 7.50/8.50 3.25/4.00 GRAVEL #57 STONE 6.0 N 2. PLANTING SOIL SPECIFICATIONS 3. COMPACTION OF THE PLANTING SOIL THE PLANTING SOIL SHALL BE A UNIFORM MIX, FREE OF CONTRACTOR SHALL MINIMIZE THE COMPACTION OF BOTH THE STONES, STUMPS, ROOTS OR OTHER SIMILAR OBJECTS LARGER BASE OF THE BIORETENTION AREA AND THE REQUIRED THAN 2 INCHES. NO OTHER MATERIALS OR SUBSTANCES SHALL BACKFILL. WHEN POSSIBLE, CONTRACTOR SHALL USE BE MIXED OR DUMPED WITHIN THE BIORETENTION AREA THAT EXCAVATION HOES TO REMOVE THE ORIGINAL SOIL. IF THE MAY BE HARMFUL TO PLANT GROWTH, OR PROVE A HINDRANCE BIORETENTION AREA IS EXCAVATED USING A LOADER, THE TO THE PLANTING OR MAINTENANCE OPERATIONS. THE PLANTING CONTRACTOR SHALL USE WIDE TRACK OR MARSH TRACK SOIL SHALL BE FREE OF BERMUDA GRASS, JOHNSON GRASS, EQUIPMENT, OR LIGHT EQUIPMENT WITH TURF TYPE TIRES. QUACK GRASS, MUGWORT, NUTSEDGE, POISON IVY, CANADIEN OVER COMPACTION AT THE BASE OF THE BIORETENT10N AREA THISTLE OR OTHERS AS SPECIFIED. CAN BE ALLEVIATED BY USING A PRIMARY TILLING OPERATION THE PLANTING SOIL SHALL BE TESTED AND MEET THE SUCH AS A CHISEL PLOW, RIPPER, OR SUBSOILER. THESE FOLLOWING CRITERIA: TILLING OPERATIONS ARE TO REFRACTURE THE SOIL PROFILE PROVIDE ALL REINFORCING STEEL WHICH WITS ASTM MI6 FOR GRADE 80 AND WELDED RINE FABRIC CONFOMRIS THROUGH THE 12 INCH COMPACTION ZONE. SUBSTITUTE pH RANGE 5.5 to 6.5 METHODS MUST BE APPROVED BY THE ENGINEER. ROTOTILLERS ORGANIC MATTER 1.5 to 3.0% (BY WEIGHT) DO NOT TILL DEEP ENOUGH TO REDUCE THE EFFECTS OF MAGNESIUM - Mg 35 lbs/acre COMPACTION FROM HEAVY EQUIPMENT. PHOSPHORUS - PHOSPHATE (P2 OS ) 100 lbs/acre Z I••I -, POTASSIUM - POTASH (K 2 0) 85 lbs/acre PUMP ANY PONDED WATER BEFORE PREPARING SOLUBLE SALTS not to exceed 500 ppm - (ROTOTILLING) BASE. THE FOLLOWING TEST FREQUENCIES SHALL APPLY TO WHEN BACKFILLING THE TOPSOIL OVER EXISTING EARTH, FIRST THE ABOVE SOIL CONSTITUENTS PLACE 3 TO 4 INCHES OF TOPSOIL OVER THE EARTH, THEN 2.50/3.50 ROTOTILL THE EARTH/TOPSOIL TO CREATE A GRADATION ZONE. 1. pH, ORGANIC MATTER: 1 TEST PER 90 CUBIC YARDS BUT BACKFILL THE REMAINDER OF THE TOPSOIL TO FINAL GRADE. NOT LESS THAN 1 TEST PER 810 -RETENTION AREA' SS 6 8" • ALL ELEMENTS PRECAST TO MEET ARM 0017. WHEN BACKFILLING THE BIORETENTION AREA, PLACE SOIL IN 2. MAGNESIUM, PHOSPHORUS, POTASSIUM, AND SOLUBLE LIFTS OF 12 INCHES TO 18 INCHES. DO NOT USE HEAVY SALTS: 1 TEST PER 500 CUBIC YARDS BUT NOT LESS THAN EQUIPMENT WITHIN THE BIORETENTION AREA. HEAVY 1 TEST PER BORROW SOURCE EQUIPMENT CAN BE USED AROUND THE PERIMETER TO SUPPLY KEY --� PLANTING SOIL. GRADE BIORETENTION MATERIALS WITH LIGHT TRENCH 3. ONE GRAIN SIZE ANALYSIS SHALL BE PERFORMED PER 90 EQUIPMENT SUCH AS A COMPACT LOADER OR A CUBIC YARDS OF PLANTING SOIL BUT NOT LESS THAN 1 TEST DOZER/LOADER WITH MARSH TRACKS. PER BIORETENTION AREA. 4. MULCH LAYER GUIDELINES OUTLET STRUCTURE CROSS SECTION THROUGH BERM MULCH SHALL BE WELL -AGED AND UNIFORM IN COLOR. D WELL -AGED MULCH IS DEFINED AS MULCH THAT HAS BEEN CONCRETE ENDWALL NCDOT STD 838.0 /- 90 DEGREE BEND nne-rnvw r.nu u.rr PERFORATED PVC PIPE UNDERDRAIN SYSTEM JUNCTION NTS NTS z ENDWALL DIMENSIONS INLET FRAME AND GRATE NOTED: << MINIMWI STD 840.16 ° S• • THIS mow 2wmu MY 6E u6ED PON THE FOLLOWING NCD❑T ,zr ,-A,; 1 MIN./MAX. PIPE DIA. BAR SIZE STANDARD/: 686.91. 491111.27,66S.6a AND Sa6.N. • INSTALL PRECAST LL J 5! H Z C Co¢ m W1 W2 EIOMALLS WITH RINDS NO MY FOR IN ACCORDANCE META SPECIFICATION SECTION IN. to LuU�C 1.25/2.00 2.00/8.76 1.26/1.76 UaE 4000 PSI CONCRETE. 6 1.25 66 6 S" PROVIDE ALL REINFORCING STEEL WHICH WITS ASTM MI6 FOR GRADE 80 AND WELDED RINE FABRIC CONFOMRIS ►- Tn iE 3.50/3.75 6.60/6.76 TO ASTIR A165 WITH 2" YIN. CLEARANCE. W J p.,y� 1.25/2.00 3.00/4.26 1.5012.60 0 I • PLACE LIFT HOLES OR PINS IN ACCORDANCE WM H2 Z I••I -, 2.0 65 6 8" OSHA STANDARD 1925.704. F 4.00/4.25 I • PIPE TO BE GROUTED INTO HEADWALL AT •TOS SITE SY W G 2.50/3.50 4.00/6.00 2.00/3.00 CONTRACTOR O 3.0 SS 6 8" • ALL ELEMENTS PRECAST TO MEET ARM 0017. 6.00/6.00 2.75/3.50 5.25/5.75 11.50/11.75 - • WELDED WINE FABRIC MAY BE SUMTITUTED FOR ROM M5 6 8" 3.26/4.50 8.00/8.76 3.26/3.60 - - - ASLONo AB THE SAME AREAOF STEEL 16 PROVIDED. 12.00/13.26 4.0 S5 6 8" • CHAMFER ALl CORNERS 1" OR HAVE A RAB11S OF 1". S" O.C. M. 6.50/7.00 3.26/8.50 8.50/6.76 12.00/13.25 RFFER Tb;4- T NT6 6 8" 4.oD a.00 / Y DEPRESSION P011 MII SIZE 1a.eons.ss 5.0 65 6 8" NOTE: THE HHINIMIM WAR SIZE b1ALL 6E PR MTI! AT 6" CTS.THE CONTRACTOR WILL HAVE THEOPTION h 7.25/8.26 1'-7 SAI' 1'-7 5/8' SIDE TO INCREASE THIS SM SIZE AS NEEDED. N5 6 8" 4.50/5.00 7.50/8.50 3.25/4.00 7.25/8.25 O 6.0 N 4.60/5.00 E 7.75/8.25 14.76/18.76 CONCRETE ENDWALL NCDOT STD 838.0 /- 90 DEGREE BEND nne-rnvw r.nu u.rr PERFORATED PVC PIPE UNDERDRAIN SYSTEM JUNCTION NTS NTS ;rd � ENDWALL DIMENSIONS �- PERMIT FT. MINIMWI MIN./WAC. MIN./MAX. MIN./MAX. MIN./MAX. 1 MIN./MAX. PIPE DIA. BAR SIZE H1 (FT.) H2(FT.) D (FT.) W1 W2 1.0 65 6 8" 1.25/2.00 2.00/8.76 1.26/1.76 8.00/3.75 6.50/6.00 1.25 66 6 S" 1.26/2.00 3.00/8.76 1.26/2.00 3.50/3.75 6.60/6.76 1.50 65 6 6" 1.25/2.00 3.00/4.26 1.5012.60 3.60/3.76 6.60/8.76 2.0 65 6 8" 1.50/2.50 4.00/4.75 1.76/2.60 4.00/4.25 7.60/8.26 2.5 M5 6 8" 2.50/3.50 4.00/6.00 2.00/3.00 4.50/5.50 10.00/11.50 3.0 SS 6 8" 8.00/3.60 6.00/6.00 2.75/3.50 5.25/5.75 11.50/11.75 3.6 M5 6 8" 3.26/4.50 8.00/8.76 3.26/3.60 8.00/6.75 12.00/13.26 4.0 S5 6 8" 3.50/4.50 6.50/7.00 3.26/8.50 8.50/6.76 12.00/13.25 4.6 NT6 6 8" 4.oD a.00 / e.so e.ao s.26 4.00 / 7.00 2.x6 / 1a.eons.ss 5.0 65 6 8" 4.50/5.00 7.00/8.50 3.25/4.00 7.25/8.26 18.75/16.75 5.5 N5 6 8" 4.50/5.00 7.50/8.50 3.25/4.00 7.25/8.25 14.00/16.75 6.0 M5 6 8" 4.60/5.00 7.60/8.60 3.26/4.00 7.75/8.25 14.76/18.76 CONCRETE ENDWALL NCDOT STD 838.0 /- 90 DEGREE BEND nne-rnvw r.nu u.rr PERFORATED PVC PIPE UNDERDRAIN SYSTEM JUNCTION NTS NTS it 12" STOCKPILED OR STORED FOR AT LEAST 6 MONTHS. MULCH NTS SHOULD BE FREE OF WEED SEEDS, SOIL, ROOTS, OR ANY OTHER SUBSTANCE NOT CONSISTING OF EITHER BOLE OR BRANCH WOOD AND BARK. THE MULCH SHALL BE UNIFORMLY APPLIED APPROXIMATELY 2 TO 3 INCHES IN DEPTH. GRASS CLIPPINGS ARE UNSUITABLE FOR MULCH AND SHOULD BE AVOIDED FOR USE WITHIN THE BIO -RETENTION AREA. GENERAL I RTES, CLASS 'r CONCRETE TO DE USED THROUGHOUT OPTIONAL CONSTRUCTION - HEIELMW POUR, r HR'TWAY, ON «DAR OUTLET STRUCTURE NOTES: RMS DOWELS AT H2• CENTER, ASCR TIE DIRECTED BY ENGINEOt. FOARE TO DE USED FTION OF THE BOTTOM SLAB. N IF REDiFORCED CONCRETE PIPE Is $ET M USE SLAB OF Box. ADD t0 c1 1vr BASE AS STEWS ON STANDARD 84M1. 18 RCP OUTLET BARREL SHALL BE CLASS III RCP, MODIFIED BELL AND SPIGOT, MEETING THE ALL DRIP INLETS OVER 3-6• STEPS StNL oN CENTL BE D ISET IN TO EE PROVIDIi ACCORDAN.aSM STEPS REQUIREMENTS OF ASTM C76 -LATEST. THE PIPE JOINTS SHALL BE CONFINED 0 -RING RUBBER GASKET - �' -+{ I« -�•l � t SIB' F. •-2' ERS. CE vTTN STA 94&6&II H Y_ 3, 3, JOINTS MEETING ASTM C -443 -LATEST AND JOINTS OF ASTM C -361 -LATEST. THE PIPE JOINTS SHALL BE o II .� • r TYPE R-4.PROVIDED. o G E E I I K X lL OUTLET STRUCTURE MATERIAL SPECIFICATIONS: Cu 1. ALL POURED CONCRETE SHALL BE MINIMUM 3000 PSI (28 DAY) UNLESS OTHERWISE NOTED. 1 )I H 2. GEOTEX11LE FABRIC FOR THE 18 INCH OUTLET BARREL JOINTS SHALL BE AMOCO STYLE 4553 [-7 t/2'F »� POLYPROPYLENE NON -WOVEN NEEDLE PUNCHED OR APPROVED EQUAL (NON -WOVEN FABRIC) PLAN OF FRAMEP W I'-7 SM 10-3 8 DIA. WELDED S CAST IRON Y ANCHORS B• LONG c4• . 4 3. PONDING DRAWDOWN IS VIA A 6" PVC UNDERDRAIN. PLAN ANCHORS PIGGYBACK . B•) PLAN PLAN OF GRATING V17H GRATE a rRAHE REMOVED STD 61A76 FRAME SHOWM POSITION IF DOLTS BERM SOIL AND COMPACTION SPECIFICATIONS: CAST IRON •' 4 GRATE 3 -r r 3• 1. ALL FILL SOILS FOR BERM SECTION SHALL BE CLEAN, IMPERMEABLE MATERIAL AND COMPACTED TO AT T LEAST 98% STANDARD PROCTOR MAXIMUM DRY DENSITY, AT OPTIMUM MOISTURE CONTENT. NO BLASTED I I I IOP OF °"'c - --1 R x.00 MATERIALS SHALL BE USED IN THE EMBANKMENT CONSTRUCTION. SOILS SHALL NOT EXHIBIT SIGNIFICANT Fi SHRINK/SWELL OR DISPERSIVE CHARACTERISTICS. I/8' 1/8 V, I/8 b• A b• s D b S• PVC ##MIT - 3AT• DIA. 1 r LG WO.IED 1' 1' 1' i• m Sala n PIGGYBACK STUD ANc-1 2. IN ALL FILL AREAS OF THE BERM, A SOILS COMPACTION TEST SHALL BE CONDUCTED EACH 2500 SQUARE 3'-3 3/4' 2'-3 3/4• _ = FEET PER VERTICAL FOOT OF FILL. FILL SHALL BE PLACED IN LIFTS NOT TO EXCEED 8 INCHES LOOSE [Ar ve' Im I/8 .L THICKNESS. 16• RCP INVENT . MI DAR 3AB' v 3/P 3/4' 3AB' •v a 71.17 rt 3. A KEY TRENCH IS TO BE PROVIDED IN ALL FILL AREAS. TRENCH TO EXTEND A MINIMUM OF FIVE FEET 21-21 aormN or N s,730 *E - -( BELOW EXISTING GRADE. SOILS AND COMPACTION FOR KEY TRENCH SHALL MEET ALL REQUIREMENT OF #1 SEE -TE SECTION X -X DOWELEL 70.05 `T SECTI❑N Y -Y ABOVE. 1 V _.•_ TD 1p TN I 2'-1 3/4' ita Cu DIMENSIONS OF BOX L F N:wx rn IEi�JaCETIP FOR 4. NO TREES OF ANY TYPE MAY BE LOCATED ON THE BERM SECTION. PIPE SPAN VIDTN T DUTTON I WALL / ICU. 3'-6' 2'-6• 11 A B N Sue rt. H MMYH C.M.Rz DDw'L_ 5. FILL PLACEMENT SHALL NOT EXCEED A MAXIMUM 8" LIFT. EACH LIFT SHALL BE CONTINUOUS FOR THE IB' 3-0 2-0 r-6' 0222 0222 0.703 OA33 o.a9 ENTIRE LENGTH OF EMBANKMENT. BEFORE PLACEMENT OF FILL FOR THE BERM SECTION, ALL UNSUITABLE SECTION E-ESECTION F -F CONCRETE DROP INLET NCDOT STD 840.14 MATERIAL SHALL BE REMOVED AND THE SURFACE PROPERLY PREPARED FOR FILL PLACEMENT. CONCRETE DROP INLET NCDOT STD 80.14 SEEDBED PREPARATION FOR STABILIZATION OF DOWNSTREAM SLOPES 1.) CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES DEEP OVER ADVERSE SOIL CONDITIONS, IF -8 NTS AVAILABLE. 2.) RIP THE ENTIRE AREA TO 6 INCHES DEPTH. 3.) REMOVE ALL LOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS LEAVING SURFACE REASONABLY SMOOTH AND UNIFORM. NCDOT STD. 838.80- 4.) APPLY AGRICULTURAL LIME, FERTILIZER, AND SUPERPHOSPHATE UNIFORMLY AND MIX WITH SOIL (SEE NCDOT CLASS "B" RIPRAP WINGED ENDWALL BELOW*). 9'Lx11'Wx22"THICK 5.) CONTINUE TILLAGE UNTIL AWELL-PULVERIZED, FIRM REASONABLY UNIFORM SEEDBED IS PREPARED 4 18" O-RING RCP AVG. DIA. = 6" TO 6 INCHES DEEP. 6.) SEED ON A FRESHLY PREPARED SEEDBED AND COVER A A 7.) MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH. 8.) INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEEDINGS WITHIN THE PLANTING SEASON, IF POSSIBLE. IF STAND SHOULD BE OVER 60% DAMAGED, REESTABLISH FOLLOWING ORIGINAL LIME, FERTILIZER ANTNG EED LIGHTLY WITH SEEDING EQUIPMENT OR CULTIPACK AFTER SEEDING. 9.) CON T CONSERVATION INSP R ON MAINTENANCE TREATMENT AND FERTILIZATION AFTER PERMANENT COVER ESTABLISHED. e seasonal application schedule 1.25' MIN. PROJECTION NOTE TO CONTRACTOR RIPRAP R[R STORMWATER PONDS USED AS SEDIMENT BASINS DURING CONSTRUCTION SHALL BE CLEANED OUT (I.E. 5' WIDE SEDIMENT, TRASH, ETC.) AND REVEGETATED (IF NECESSARY) PRIOR TO USE AS STORMWATER PONDS. PLANTING NCDOT STD. 838.80 9' MAY 6 200 CONTROL OFFtSOIL SHALL OT BE CER HAS GRANTED APPROVAL.ENTION AREA UNTIL THE SITE HAS BEEN STABILIZED AND EROSION WINGED ENDWALL ADDED TO THE PLAN 18' DIA. DENR- WATE�QI)ALITY T T OFR PONSIBILITY 0 -RING RCP WFT!' AND4T�(7NASNAiERBRAN(N ALL REQUIRE NA AND PE SHAL E RESPO Y OF THE R, PER THE ' EXECUTED OPERATION AND MAINTENANCE AGREEMENT FOR THIS FACILITY. o" n own NOTES: 1. CONCRETE FOR COLLAR SHALL BE 3000 PSI (MIN.) 28 DAY STRENGTH. 2. COLLAR SHALL BE CONNECTED TO 18" RCP WITH A WATER TIGHT JOINT. 3. COLLAR SHALL BE PLACED ALONG BARREL AT CENTER OF BERM. 4. ANTI -SEEP COLLAR SHALL BE PLACED A MINIMUM OF 2' FROM PIPE JOINTS. "'�10 CONCRETE ANTI -SEEP COLLAR (FOR 18" RCP) NTS NOTE: A FILTER BLANKET IS TO BE INSTALLED BETWEEN THE RIPRAP AND SOIL FOUNDATION. THE FILTER BLANKET WILL CONSIST OF A MINIMUM 4" THICK LAYER OF STONE (NCDOT #57) UNDERLAIN WITH MIRAFI FILTER WEAVE 700 OR APPROVED EQUIVALENT 2" LAYER OF :LASS '2' RIP -RAP " FILTER BLANKET BLANKET (SEE NOTE ) n 1OUTLET BARREL VELOCITY DISSI PATOR NTS STORMWATER MANAGEMENT FACILITY DETAILS PRELIMINARY DESIGN - NOT RELEASED FOR CONSTRUCTION REVISIONS ;rd � CONDITI❑NAL USE �- PERMIT 5/11/05 DWQ REJ cW^ 1 � '' ¢ SECTION G -G w H W I7 V = Z W H ICU CD C ) 00 2'-3 1/4' d _ �� o 13W 2' F, ON it 12" STOCKPILED OR STORED FOR AT LEAST 6 MONTHS. MULCH NTS SHOULD BE FREE OF WEED SEEDS, SOIL, ROOTS, OR ANY OTHER SUBSTANCE NOT CONSISTING OF EITHER BOLE OR BRANCH WOOD AND BARK. THE MULCH SHALL BE UNIFORMLY APPLIED APPROXIMATELY 2 TO 3 INCHES IN DEPTH. GRASS CLIPPINGS ARE UNSUITABLE FOR MULCH AND SHOULD BE AVOIDED FOR USE WITHIN THE BIO -RETENTION AREA. GENERAL I RTES, CLASS 'r CONCRETE TO DE USED THROUGHOUT OPTIONAL CONSTRUCTION - HEIELMW POUR, r HR'TWAY, ON «DAR OUTLET STRUCTURE NOTES: RMS DOWELS AT H2• CENTER, ASCR TIE DIRECTED BY ENGINEOt. FOARE TO DE USED FTION OF THE BOTTOM SLAB. N IF REDiFORCED CONCRETE PIPE Is $ET M USE SLAB OF Box. ADD t0 c1 1vr BASE AS STEWS ON STANDARD 84M1. 18 RCP OUTLET BARREL SHALL BE CLASS III RCP, MODIFIED BELL AND SPIGOT, MEETING THE ALL DRIP INLETS OVER 3-6• STEPS StNL oN CENTL BE D ISET IN TO EE PROVIDIi ACCORDAN.aSM STEPS REQUIREMENTS OF ASTM C76 -LATEST. THE PIPE JOINTS SHALL BE CONFINED 0 -RING RUBBER GASKET - �' -+{ I« -�•l � t SIB' F. •-2' ERS. CE vTTN STA 94&6&II H Y_ 3, 3, JOINTS MEETING ASTM C -443 -LATEST AND JOINTS OF ASTM C -361 -LATEST. THE PIPE JOINTS SHALL BE o II .� • r TYPE R-4.PROVIDED. o G E E I I K X lL OUTLET STRUCTURE MATERIAL SPECIFICATIONS: Cu 1. ALL POURED CONCRETE SHALL BE MINIMUM 3000 PSI (28 DAY) UNLESS OTHERWISE NOTED. 1 )I H 2. GEOTEX11LE FABRIC FOR THE 18 INCH OUTLET BARREL JOINTS SHALL BE AMOCO STYLE 4553 [-7 t/2'F »� POLYPROPYLENE NON -WOVEN NEEDLE PUNCHED OR APPROVED EQUAL (NON -WOVEN FABRIC) PLAN OF FRAMEP W I'-7 SM 10-3 8 DIA. WELDED S CAST IRON Y ANCHORS B• LONG c4• . 4 3. PONDING DRAWDOWN IS VIA A 6" PVC UNDERDRAIN. PLAN ANCHORS PIGGYBACK . B•) PLAN PLAN OF GRATING V17H GRATE a rRAHE REMOVED STD 61A76 FRAME SHOWM POSITION IF DOLTS BERM SOIL AND COMPACTION SPECIFICATIONS: CAST IRON •' 4 GRATE 3 -r r 3• 1. ALL FILL SOILS FOR BERM SECTION SHALL BE CLEAN, IMPERMEABLE MATERIAL AND COMPACTED TO AT T LEAST 98% STANDARD PROCTOR MAXIMUM DRY DENSITY, AT OPTIMUM MOISTURE CONTENT. NO BLASTED I I I IOP OF °"'c - --1 R x.00 MATERIALS SHALL BE USED IN THE EMBANKMENT CONSTRUCTION. SOILS SHALL NOT EXHIBIT SIGNIFICANT Fi SHRINK/SWELL OR DISPERSIVE CHARACTERISTICS. I/8' 1/8 V, I/8 b• A b• s D b S• PVC ##MIT - 3AT• DIA. 1 r LG WO.IED 1' 1' 1' i• m Sala n PIGGYBACK STUD ANc-1 2. IN ALL FILL AREAS OF THE BERM, A SOILS COMPACTION TEST SHALL BE CONDUCTED EACH 2500 SQUARE 3'-3 3/4' 2'-3 3/4• _ = FEET PER VERTICAL FOOT OF FILL. FILL SHALL BE PLACED IN LIFTS NOT TO EXCEED 8 INCHES LOOSE [Ar ve' Im I/8 .L THICKNESS. 16• RCP INVENT . MI DAR 3AB' v 3/P 3/4' 3AB' •v a 71.17 rt 3. A KEY TRENCH IS TO BE PROVIDED IN ALL FILL AREAS. TRENCH TO EXTEND A MINIMUM OF FIVE FEET 21-21 aormN or N s,730 *E - -( BELOW EXISTING GRADE. SOILS AND COMPACTION FOR KEY TRENCH SHALL MEET ALL REQUIREMENT OF #1 SEE -TE SECTION X -X DOWELEL 70.05 `T SECTI❑N Y -Y ABOVE. 1 V _.•_ TD 1p TN I 2'-1 3/4' ita Cu DIMENSIONS OF BOX L F N:wx rn IEi�JaCETIP FOR 4. NO TREES OF ANY TYPE MAY BE LOCATED ON THE BERM SECTION. PIPE SPAN VIDTN T DUTTON I WALL / ICU. 3'-6' 2'-6• 11 A B N Sue rt. H MMYH C.M.Rz DDw'L_ 5. FILL PLACEMENT SHALL NOT EXCEED A MAXIMUM 8" LIFT. EACH LIFT SHALL BE CONTINUOUS FOR THE IB' 3-0 2-0 r-6' 0222 0222 0.703 OA33 o.a9 ENTIRE LENGTH OF EMBANKMENT. BEFORE PLACEMENT OF FILL FOR THE BERM SECTION, ALL UNSUITABLE SECTION E-ESECTION F -F CONCRETE DROP INLET NCDOT STD 840.14 MATERIAL SHALL BE REMOVED AND THE SURFACE PROPERLY PREPARED FOR FILL PLACEMENT. CONCRETE DROP INLET NCDOT STD 80.14 SEEDBED PREPARATION FOR STABILIZATION OF DOWNSTREAM SLOPES 1.) CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES DEEP OVER ADVERSE SOIL CONDITIONS, IF -8 NTS AVAILABLE. 2.) RIP THE ENTIRE AREA TO 6 INCHES DEPTH. 3.) REMOVE ALL LOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS LEAVING SURFACE REASONABLY SMOOTH AND UNIFORM. NCDOT STD. 838.80- 4.) APPLY AGRICULTURAL LIME, FERTILIZER, AND SUPERPHOSPHATE UNIFORMLY AND MIX WITH SOIL (SEE NCDOT CLASS "B" RIPRAP WINGED ENDWALL BELOW*). 9'Lx11'Wx22"THICK 5.) CONTINUE TILLAGE UNTIL AWELL-PULVERIZED, FIRM REASONABLY UNIFORM SEEDBED IS PREPARED 4 18" O-RING RCP AVG. DIA. = 6" TO 6 INCHES DEEP. 6.) SEED ON A FRESHLY PREPARED SEEDBED AND COVER A A 7.) MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH. 8.) INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEEDINGS WITHIN THE PLANTING SEASON, IF POSSIBLE. IF STAND SHOULD BE OVER 60% DAMAGED, REESTABLISH FOLLOWING ORIGINAL LIME, FERTILIZER ANTNG EED LIGHTLY WITH SEEDING EQUIPMENT OR CULTIPACK AFTER SEEDING. 9.) CON T CONSERVATION INSP R ON MAINTENANCE TREATMENT AND FERTILIZATION AFTER PERMANENT COVER ESTABLISHED. e seasonal application schedule 1.25' MIN. PROJECTION NOTE TO CONTRACTOR RIPRAP R[R STORMWATER PONDS USED AS SEDIMENT BASINS DURING CONSTRUCTION SHALL BE CLEANED OUT (I.E. 5' WIDE SEDIMENT, TRASH, ETC.) AND REVEGETATED (IF NECESSARY) PRIOR TO USE AS STORMWATER PONDS. PLANTING NCDOT STD. 838.80 9' MAY 6 200 CONTROL OFFtSOIL SHALL OT BE CER HAS GRANTED APPROVAL.ENTION AREA UNTIL THE SITE HAS BEEN STABILIZED AND EROSION WINGED ENDWALL ADDED TO THE PLAN 18' DIA. DENR- WATE�QI)ALITY T T OFR PONSIBILITY 0 -RING RCP WFT!' AND4T�(7NASNAiERBRAN(N ALL REQUIRE NA AND PE SHAL E RESPO Y OF THE R, PER THE ' EXECUTED OPERATION AND MAINTENANCE AGREEMENT FOR THIS FACILITY. o" n own NOTES: 1. CONCRETE FOR COLLAR SHALL BE 3000 PSI (MIN.) 28 DAY STRENGTH. 2. COLLAR SHALL BE CONNECTED TO 18" RCP WITH A WATER TIGHT JOINT. 3. COLLAR SHALL BE PLACED ALONG BARREL AT CENTER OF BERM. 4. ANTI -SEEP COLLAR SHALL BE PLACED A MINIMUM OF 2' FROM PIPE JOINTS. "'�10 CONCRETE ANTI -SEEP COLLAR (FOR 18" RCP) NTS NOTE: A FILTER BLANKET IS TO BE INSTALLED BETWEEN THE RIPRAP AND SOIL FOUNDATION. THE FILTER BLANKET WILL CONSIST OF A MINIMUM 4" THICK LAYER OF STONE (NCDOT #57) UNDERLAIN WITH MIRAFI FILTER WEAVE 700 OR APPROVED EQUIVALENT 2" LAYER OF :LASS '2' RIP -RAP " FILTER BLANKET BLANKET (SEE NOTE ) n 1OUTLET BARREL VELOCITY DISSI PATOR NTS STORMWATER MANAGEMENT FACILITY DETAILS PRELIMINARY DESIGN - NOT RELEASED FOR CONSTRUCTION REVISIONS BY CONDITI❑NAL USE PERMIT 5/11/05 DWQ REJ COMMENTS ICU CD C ) 00 �� �� F, ON C5 .� a� � Q � Q L oo E Od a a 4-> a 0) Q/ Q/ C0) ■ LLJ _y i C d Q� 0- O � I\ Q d CU r- 6)CU Cadd \ (Yj d � L � CD Cu F- - 0 O ■� L 4-> Q UCS N � L PQ d S u �In� s Q o a_ Q:�z wyyTtQy o � a` Y U VO'�1S193d /"e•v ••ci; oda. _'p`�?�P\-. J10 Q ; U z's vi QLLJ N . e 0 Q . 01 1---i U . W. o I --a z w C\1 �a O � W�0. iII-z n z�N W 0 CD CD ►moi o a F � 0 E-+ U a x ', z�0 co GQ W ^ z w C'. wlxa � O J +J • rmmm� 7Cn O �I U r� CD d� O7 O 4, v Ov U bw 1 ;-.11 WU o � GA • r..� • ,4-IMS11, O DATE 4-6-05 SCALE 1 "=20' DESIGNED BY EJ DRAWN BY FEW CHECKED BY DAC JOB 2003-034 SHEET LA -8 ❑F $ SHEETS REVISIONS BY ~ / (CONRTACTOR Td FILL IN) 1. ALL NEW PIANT AREAS OF SITE ARE TO BE 1 IRRIGATED A9N SYSTEM 9E516µ~1BMF1TE0 T4 THE i ~ ? ~ = ARCHITECT FOR REVIEW PRIOR TO INSTALLATION. ~ INITIAL PRESSURE - ~P P soD PRESSURE LOSS THROUGH METER p0 PRESSURE LASS THROUGH BACKFLDW PREVENTER - 2. LANDSCAPE CONTRACTOR TO VERIFY LOCATION OF 0 3 QS / ' = R PRESSURE LOSS THROUGH PRESSURE REDUCER UNDERGROUND UNTiLmES BEFORE PLANTING. 41N SOD (SET TO DESIRED LEVEL) _ ~ ~P 1 SJ 3 1TV ' PRESSURE LOSS THROUGH LONGEST RUN OF PIPE - 3. PLANT SHRUBS 3 FEET FROM CURB IN PARKING ~A 5Q P (TO HIGHEST ELEVATION) = ARC, , 42 SJ PS / r PRESSURE LOSS THROUGH ELECTRIC VALVE 55 o CL! / 1 oM PRESSURE AT HIGHEST HEAD= 4. PLANT MATERIAL WILL BE REJECTED UNLESS ANY FLP ~ ~o _i i-1~ , ~ m R AR S G AND ALL PLANT MATE IAL E OF SIZE, PREAD, CALIPER, GENUS, SPECIES AND VARIETY SHOWN. ' to INITIAL PRESSURE - ALL REWORK WILL BE AT THE EXPENSE OF THE ~ ~ m~ E PIANTING 5 ~ 1 ~ ~ PRESSURE LOSS THROUGH METER - CONTRACTOR. SUBSTffUTlONS WILL BE PERMITTED PRESSURE LOSS THROUGH BACKFLOW PREVENTER = LA-4 ~ m m 1 f ~ mm PRESSURE LOSS THROUGH PRESSURE REDUCER = ONLY UPON SUBMISSION OF WRITTEN PROOF TO - ~ ~ ~ (SET TO DESIRED LEVEL) THE ARCHITECT THAT A SPECIFIED PLANT 15 NOT PRESSURE LOSS THROUGH LONGEST RUN OF PIPE = OBTAINABLE. ~ SOD ~ ~ a (TO LOWEST ELEVATION) Q Ul ~ cs N PRESSURE LOSS THROUGH ELECTRIC VALVE = 5. ALL D15TURBEO AREAS ARE TO BE STABILIZED ' f~ ~ + WITH SOD, PLANTINGS, PRESERVATION SEED MIX, OR Q PRESSURE AT LOWEST HEAB= MULCH. ~ ~ G ~ soD - 0 0 ~ ~ 1 a + ~ 8iN~ ~ v ~ RUN TIME OF COMPLETE SYSTEM, PER WEEK, TO .HRS/ WEEK= 0 ~ PROVIDE 100% COVERAGE IN JULY MULCH 1 24 SJ PS + ' " ' + + ~ ~ EDG -4 ~ • 0 4 AA + + SO F--. 30 H ~ ~ RUN TIME QF COMPLETE SPRAY AND ROTARY SYSTEM, PER WEEK, HRS/ WEEK= 42 SJ'P5 + + + m ~ ~ TO PROVIDE 100% COVERAGE IN JULY + + ~ ? / ~ HRS/ WEEK= RUN TIME OF COMPLETE DRIP SYSTEM, PER WEEK, c o TO PROVIDE 100% COVERAGE IN JULY ~ QS ' v + ~ ~ ~ 0 31 HQ 153 LM'BM/75 DIF * ~ ' m G 5 11V 13 SJ'PS G~ , + 1 QS " ~ . ~ 5 SJ PS 0 , + MULC ~r w ~ MULCH \ ~ s 100 LM BM/75 DIF , + + 20 LM'BM 1 ' ~ d + ~ ~ CL o 1 NS ~ - 5 PLANT NAME SIZE CMIN) RIOT REMARKS ~ / + . + * • + DECIDUGUS KEY 50D ~ SEED + + + • 20 LM'BM \ d ~tv TREES 2.5' CAL ~ + + + + + LA- ~ pB ACER BUERGERIANUM /TRIDENT MAPLE - ~ B&B FULL , ~ + ? ~ ~ ~ C,,) d d 1214 HGT / + • ~ \ N o - ~ z Ns a, ~ c~ 1.5' CAL. FULL, MULTITRUNK AA AMELANCHIER ARBGREA AUTUMN BRD.LIANCE / SERVICBERRY - ~ B&B , ~ SOD r i o 182 LM BM/90 DIF ~ 10 12 HGT MIN. 3 TRUNKS + * ~ U xS d 4' CAL. ~ NS NYSSA SYLVATICA /BLACK TUPELG 16-18' HGT B&B FULL ~ + * / \ ~UU + O \ ~ pa S.. ~ ` ' MU ~ 1 ~ + ' d s 35 LM BM/30 DIF + + ' J s • a, QS QUERCUS SHUMARDII/ SHUMARD GAK 4 CAL, B&B ~ S® 16 18 HG7 FULL / D 1 AB + \ u ~ vt s. 1.5' CAL, FULL SPECIMEN F, ~ ~ ~ + + ~ \ ~ D1 0 1 SJ + + * Q tL ~ z STYRAX JAPONICA /JAPANESE SNGW BELL TREE B&B TREE (NOT THE BUSH> ~ ~ 4 ~ 10-12 HGT ~ ~ 5 ICC + * ~ MULCH 3 AA * • EVERGREEN TREES SOD + o + o \ LA-4 IMN ILEX 'MARY NELL'/ MARY NELL HOLLY b' HT. CGNTJB&B FULL ~ 65 LM BM + 95 HS 85 DIF ~ e•A' + + + + \ we`' TIQy + 2 QS + \ \ ~ ~ • 40 D1F ~ + 1 Aa * ~ \ ~ dy ~ 8' HT. + + JVB JUNIPERUS VIRGINIANA BURKII/BURKII JUNIPER B&B FULL 4 AA ~ + 44 RI + N Z d + + ~ ~ ¢ U ¢ ~ + + * \ \ N r U a 24 RI ~ PS PINUS PALUSTRIS /LONG LEAF PINE 5' HT. & 3-4' SPD. B&B FULL 25 HS ~ + + 35 LM BM + + * SOD b ~ ~ ° 4 JVB + + 1 NS + * \ ~ \ _4 ~tsi~ 2.5 CAL B&B FULL 2 QS ~ 3 PV PINU5 VIRGINIANA /VIRGINIA PINE , \ \ d~ J + \ 8,0 SHRUBS 12-14 FIT. ~ + + + + ~ r + ' ' ~ + \ + + + + + -A-''~ IOC ILEX CORNUTA 'CARISSA'/ CARISSA HOLLY 24' HT, &SPD, CGNT, FULL + + + + r + + ? ~NUnuih~i t(~ 7 ICC + * 0 \ ``~P X / _ ~~11 N¢~ + + + + ~ ~ + + + + + + + k 34 LM BM + + + 6 ~ + + * ~ P , I ICST ILEX CRENETA 'SGFT TGUCH'/ SGFT TDUCH HOLLY 24' HT. &SPD, Ci1NT, FULL ~ ; } ' + + + ' 32 LM BM \ 110 LM BM + 6 PERENNW. PLANTING ~ P ~ + * + + + 8 SJ PS 19 ~ LA-4 UNDERPLANTED W(1}I BULBS + + + + + 1 SJ 1 ICC 25 SP'JP - - IG ILEX GLABRA CGMPACTA / INKBERRY 36 HT. &SPD, CANT, FULL + + + :Z ~ 1 f , SO j4 ~ ,J, ~ 15 LM BM 30 HS 30 DIF \ ~ - ~ ITV ITEA VIRGINICA 'HENRY'S GARNET'/ VIRGINIA SWEETSPIRE 30' HT. &SPD. CGNT. FULL i 1~~ 14~ ° osao 1 SJ , , ° °s°°° ° \ X P,,,~ ' FULL 1 ICST ~~i JHDP JUNIPERUS HGRIZGNTALIS PLUMGSA /ANDORRA JUNIPER 18 HT. &SPD, CGNT / 15 LM BM / SRI / 1 9 ICST + + + ~ 11CC~ ~ \ 4 PV ' ' RI RAPHEGLEPSIS INDICA 'SPRINGTIME'/ SPRINGTIME INDIA HAWTHGRNE 18' HT. &SPD, CGNT, FULL 7 ICST + ' 24 LM BM /20 DIF ~ ? 4 JVB q I~ + + + + + + SOD + + + + + + + °°o<~a + s°o,o + + ~ HQ HYDRANGEA QUERCIFGLIA/GAK LEAF HYDRANGEA 30' HT. &SPD, CGNT, FULL 3 I1V r 3 ICST ~ r ~ + + + + + + + + + + 2 PER UIL + 8 B'CS SJ'PS SPIRAEA JAPGNICA 'LITTLE PRINCESS'/ LITTLE PRINCESS SPIRAEA 18' HT, &SPD, CGNT. FULL ~ + + + + lA-4 PLANiI + + + + + + 2B'NS SOD STATE EMPLOYEES CREDIT UMON 1 SJ ~ + + + 80 LM BK/50 DIF + 4 B AC MC MYRICA CERIFERA/WAX MYRTLE 36' HT. &SPD, CGNT FULL 1 ~ r GRASSES & 2 • r ~ 6543 SF 24 LM BM 6 B'CA FFE°290.50 3 RI PERENNIALS ~I SITE AREA -2.50 ACRES/108,903 SF ~ ~ 17 B'G 36 LM BM 7 8 CS ~ ~ LA - 4 MS MISCANTHUS SINENSIS `MGRNING LIGHT'/ MGRNING LIGHT MAIDENGRASS 3 GAL CGNT, FULL q~ 24 LM k , 1 AB DIF NARCISSUS 'ICE FGLLIES` /ICE FGLLIES DAFFGDILL TGP SIZE BULBS 10' SPACING 5 ICST ~ 9! 24 LM BM /20 DIF 6 B AC 4 IN ~ 5 RI 6 B CS , 5 PV ` ~ 5 ITV * 40 B'JP 3 IiV ~ ~ . HS HEMERGCALLIS x 'STELLA D' GRG' / DAYLILY 1 GAL CGNT. FUG L B ICST S UB PLANTING 7 IG \ * ~ - 18 SPACING 3 IOC ~ ~ I I /i~ } ~~/r~ * 1 1MN ~ 10 IG ~ k LM'BM' LIRIGPE.MUSCARI 'BLUEMGUND'/BLUEMGUND LIRIGPE 1 GAL. CGNT. FULL } 5 ICC \ } \ 1 B'TD , 3 IN \ \ • ~ ~ . ~ 38'CA ~ ~ ~I 11 SJ PS \ ~ ~ , MI It II , SA SESLERIA AUTUMNALIS/AUTUMN MGGR GRASS 1 GAL, CONT. FULL ~ r ~\~~~r 1AB OD ~ e• \ ~J * \ 6 B CS ~ 14 BCS /r, / , \ e • 4 s AC ; sEED 4 EVERGREEN TREE LA-4 PLANTING ~ ~ ' \ ~~~11 I I~ ii r ~ . % , ~ # SOD # r \ i \ r, ~ ~ BIORETENTION PLANT LIST / 1 ~ If~~~~ / iir 12 BCS KEY PLANT NAME SIZE (MINT ROdT REMARKS ~ .~y r, . , ~ 35 B JP \ ii - NOTE: KEEP SPRING OF PFAENNWIS CONSTIWI. ADJI(5f S THE / ~ ~ ~ \ ~ / • SPAtYNG OF BULB /S NECESSARY. nECrnuou LA_4 % 11I/~~~~ 25' ~ MATCHED /11911 ~ B AC AMELANCHIER CANADENSIS / SNADBUSH t2'-14' HGT. 9&B SPFCI{IFN SFFII 1\ r~ 14 ICSf \ ii q ~ e i 2.5° CAL MATCH@ ~ ,Q . p(~F pERaJNI~, vastES, SEE PLANT i1ST B NS NYSSA SYIVATICA/ BLACK 7UPEL0 12'_14' HGT. B&B SPECIMEN \ ~ • ~ / / ij . + 9 IG ' /jj / ~ 75 B'PV / ll rl, THROUGH ~IUt.Ctl vAwES, sEE _ , ~ Plw+r usr YPR SS 2.5° CAL &9 SPECMEN FUI1 ~ ~ !lli + + + 12 MS , 27 SA 2" MULCH PER B'TD TAXODIUM DISTICHUM / BALD C E B / ~ 12~-14~ HGT. MATCH@ ~ 1 _ - + ~~\111 Gli/~ \ I l + + SEED SPECIFlC~ATIONS ~ ~ ~ ~~/IpI lQ~ /rpj 111 a + r 1 v~1~ I Ilrlr~i 6 B'MV B'MV MAGNOLIA VIRGINICA !SWAMP MAGNOLIA ?'S° B&B SPECIMEN FULL 6 ROTnT1LlID NAIIVE SOIL ~ 12 -14 HGT. MATCH@ I + ~ 25 B'JP ~ ~ Af1E11DED AS PER SHRUBS / SPECIFICATIONS ~`-Q SPECIMEN FULL ~ SEED ~9 ~/rlgl~l~ /rfgll~ ~ + + SEED 1 BNS ~ B'CS CDRNUS SERICEA /RED OSIER D(}GW(10D 24° SPRO CON MATCHED ~ ~ RIPPED SUBSOIL ~ \ ~ - - ~ ~ SEEI i \ ~ _ - 3D° SPRD SPECIMEN FULL \ . y I bG = ~ ~ / i B NS P PPER BUSH CON C UNDISTURBED SOE. / B CA CLETHRA ANIF~LIA /SWEET E 30° HGT MATCHED \ ~ \ PIAHT BULBS AT DEPTH B'HV HAMAMELIS VIRGINIA /WITCH HAZEL 36°-48° HGT. CON SPECIMEN FULL ( \ RECOM~tENDEO 89 NURSER'( MATCH@ ~ \ ~ \ , ^ \ ~ ~ ~ PERENNIALS ~ / ~-4 B'PV PANICUM VIRGATUM 'SHENANDl7AH' / SPECIMEN FULL ~ ~ 10 fiV SEED m ~ i rp Il~~~ ~ 4° POT CON MATCH@ RED SWITCH GRASS ~ ~ ~ 5 1MN I ~ 9 PS ~ ~ \ PERENNIAL PLANTING B'JP JUNCOS PENNSYLVANICA SP EN FUII 10 JVB ~ SEED ~ ~ 4' POT CON C/~ s UNDERPLANTED WITH BULBS RUSH MATCHED 1 \ -4 NJ.S Plant.Pera~niclAnd~lbdw ~ \ \ LA 4 \ ~ >v ' ~ ~ \ SEED . ~ ~ SEED ~ ~ TREE 5HAL1. HAVE SAME RELATION TO GRADE AS R HAD IN NURSERY ~ ~ ~ NEVER CUf LEADER ~ ~ RUBBER H05ES 2 3 UP TREE GUY a WIRES W/ TURNBUCKLES 2 PER U~ RUBBER HOSES TREE STAKES- 2 PER TREE V'~i ~ ~ V1 6 GUY WIRES W TURNBUCKLES 3 3" MULCH ~ PER TREE CUT AND REMOVE BURLAP FROM 4 3" MULCH TOP 1/3 OF ROOTBALL ~ ~ ROTOTILIED NATNE SDIL AMENDED SAUCER AROUND PIT ° SEf ROOTBAL.I. 0 0 AS PER SPECS ROTOTIl1ED NATNE SOIL AMENDED • 1 2-~ 3 ABOVE a V / / PROPOSED GRADE SAUCER AROUND PiT DELElE W/ A5 PER SPECS PLAN PERENNIAL THROUGH VARIES SEE PLAN/ PLANTLIST ACCORDING TO IRRIGATION MULCH ~ " SPE„IES AND 1 \ 3 MULCH SCARIFY SUBSOIL SAUCER AROUND PIT DRAINAGE CONDInONS, " ' RRI 0 ~ CUT AND REMOVE TOP 1/3 OF A (DELETE WITH I GATT N) CONSULT LANDSCAPE- 2 MULCH PER WIRE BASKET AND BURLAP ~ ~ ROTOTiLLED NATNE ARCHITECT SPECIFlCATIONS STAKES TOPSOIL AMENDED AS " 6" ROTOTILLED NATNE SOIL 3 MULCH ~ z PER SPECIFlCATIONS AMENDED AS PER ~ RIPPED SUBSOIL SPECIFlCATiONS ~ . ~ _ FINISHED GRADE ~ ~ ~ CUT AND REMOVE FOR FIATBOTFOM TREE ROOTBALLS, - BURLAP FROM TOP 1 3 ' • ~ : Z RIPPED SUBSOIL A - ~ REST ON UNDISTURBED PEDESTAL ~a~.aa.~ I OF RODTBAL.L ~ ~ : • ~ x F i UNDISTURBED SOIL ~ SET BAIT 1 4-1 3 ABDVE III RIPPED SUBSOIL ~ ~ MULCH EDGE 1 PROPOSED GRADE W/ RESPECT TO - LA-4 N.T.S. L-DT45-Plantl~lufchEd e-Isb.dw 9 9 DRAINAGE CONDRiONS. REST BALI SUPPORT ROOTBALt W/ I UNDISTURBED .SOIL ON UNDISTURBED SUBSOIL COMPACTED EARTH DATE 4-6-05 SCALE , 1 =20 DESIGNED BY JWS CANTING RAISED SHRUB P E PL. NTING EVERGRE N TREE ~ PLANTING _ TREE 4 5 PERENNIAL PLANTING DRAWN BY G _ 2 JP/CP N.T.S. L-DT41-Plant,T~ee-Isb.dw La_4 N.T.S. t-DT42-Plan#.~EvergreenTree-Isb.dwg ~1-4 N.T.S.. L-D' L-DT43-PIan~RaisedShrub-Isb.dwg Lp?-4 N.T.S. L-DT44-Plan-Perennial-Isb.dwg CHECKED BY 1A--4 g JWS JpB 0 2003-034 2~ ~ O O ~Q SHEET 6 2005 40 60 M,aY l pENR -WATER QUALITY pS bND STORl~WATER BRANCH WETINr OF 7 SHEETS --_-r - _-r ~ ~ REVISIONS B~ !S B r OO , YI TOO308.1 ~ ,O ` ~ REV 05/11/05 ~ O ' i5 INV.N=301.9 R~- ~ ~ PER Dw0 INV.OUT=301.8 O G - G ~ G~ / - ~ Q~ r i' INERT INFORMATION ~ G ~ , CONSTRUCTION SEQUENCE EROSION CONTROL NOTES: ~ 0 GAINED FROM TOWN OF O ~ ~ Q ~ ,/'LOUISBURG ENGINEERING N ~ 1) PERMANENT SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS THE CONTRACTOR IS RESPONSIBLE FOR ENSURING THAT EROSION IS MINIMIZED AND THAT a ~ ti , O DRAWINGS) WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION COMPLIANCE WITH ALL APPLICABLE FEDERAL, STATE, AND LOCAL LAWS, REGULATIONS, AND OF SITE. TEMPORARY SOIL STABILIZAl10N SHALL BE APPLIED (THIN SEVEN ORDINANCES IS MAINTAINED THROUGHOUT EXECUTION OF THIS PROJECT. ~ G 0 DAYS OF DISTURBANCE TO DENUDED AREAS THAT MAY NOT BE AT FINAL ~ ~O SMH RIM=303.4 BOLTEGY DOWN ; ~ ~ ) ~ ~ _ S , GRADE, BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN - ~ INV.IN-298.5 _ 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT 1. OBTAIN LAND DISTURBANCE PERMIT. ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. c~ y INV.OUT=298.4 2. CONSTRUCT TEMPORARY GRAVEL CONSTRUCTION ENTRANCE. i / ~ ~.t, Z ~ o cti; 2) ALL CUT AND FILL SLOPES AND CHANNEL SIDE SLOPES WHICH ARE NOT TO BE PAVED, SHALL BE SEEDED UNTIL A GOOD STAND OF GRASS IS OBTAINED 3. INSTALL SILT FENCE, DETENTION/SILT BASIN & SEDIMENT TRAP AS SHOWN ON PLANS. , L I / m o C'^ O G CT~ i IN ACCORDANCE WITH: ,'O ~ ~ ~ P.~ w ~ v u-, ~7- LfIJ A. LIMESTONE SHALL BE SPREAD AT A RATE OF 2,000 LBS. PER ACRE. 4. INSTALL STORM DRAINAGE. ~ G ~P ~ ~G /i ~ B. FERTILIZER SHALL BE DISTRIBUTED EVENLY BY MECHANICAL SPREADER, 5. PLACE STONE ON ENTRANCE DRIVE AND ~A.RKIN; kREAS. A~ 5 ~ ~ WORKED INTO THE TOP 4" OF TOPSOIL NOT MORE THAN ONE WEEK PRIOR ~ P p ~R ~ i~ ~ \ I S TO SEEDING OPERATIONS. SPREAD AT THE RATE OF 500 LBS. PER ACRE. BROADCAST OF FERTILIZER IN ONE DIRECTION AND THE REMAINING ~ IN 6. INSTALL FINAL BIORETENTION AREA. CT) d O 1~ A DIRECTION AT RIGHT ANGLES TO THE FIRST DIRECTION. ~ ~ '0~~ - ' ~ s S ~ C 7. INSTALL INLET PROTECTION ON STORM INLETS. REMOVE TEMPORARY SEDIMENT BASIN. C. MULCH SHALL BE SPREAD UNIFORMLY OVER SEEDED AREAS AT THE RATE G ~ , ht % Q ~ Gl OF 4,000 LBS./ACRE. 8. EXCAVATE AND PROMPTLY SEED/MULCH PERIMETER AREAS OF SITE. , 0 r - O j s. ~ C~ G 3) COUNTY ENGINEER AND OTHER APPLICABLE AGENCIES SHALL MAKE A / G ~ ~ , - o 0 O S CONTINUING REVIEW AND EVALUATION OF THE METHOD USED FOR THE F N All N A A. ~ ~ ~ ~ \ 9. GRADE AND EXCAVATE FOR BUILDING PAD AND OU D 0 RE / ~ _ RP 1 ~ / CL O OVERALL EFFECTIVENESS OF THE EROSION CONTROL PROGRAM. AN p0 o ' APPROVED EROSION AND SEDIMENT CONTROL PLAN MAY BE AMENDED FL ' '°C ~ Q~ NN A TH RITY IF ON SITE INSPECTION INDICATES 10. CONSTRUCT BUILDING, / BY THE APPRO G U 0 ~ ~ ~ ~ o ~ ~ I M A AR NOT EFFECTIVE IN P~ THAT THE APPROVED CONTROL E SURES E ~ ~ ' IN I N AND SEDIMENTATION OR IF BECAUSE OF 11. FINE GRADE AROUND BUILDING, SPREAD TOPSOIL, SEED OR SOD AS APPLICABLE. 52 CONTROLL G EROS 0 ~ P ~ Q ~ ~ / Q~ , I ~ / ~ CHANG D CIRCUMSTANCES THE APPROVED PLAN CANNOT BE CARRIED i=' E , c ~ ~ ~ ~ . r ~ MI NAL OUT. 12. FINE GRADE PARKING AREA, ADD STONE WHERE NECESSARY, CONSTRUCT STRUCTURES. , c~ ~ , , . ~ ~ ~ ~ t-~ , ~ , ~ , _ S o~ i~, ~ ~ G 4) CONTRACTOR SHALL LOCATE AND VERIFY THE LOCATION OF ALL 13. FINE GRADE AND SEED OR SOD DISTURBED AREAS. i ~ A ` i 1 TI ITI PRIOR TO BEGINNING CONSTRUCTION. ,l~ U L ES X ~ 1 Q ~ ~ ~ - - -4 4 14, REMOVE ALL EROSION CONTROL MEASURES. ~ 5) THE CONTRACTOR SHALL NOTIFY NORTH CAROLINA "ONE CALL" AT 1 800 632 9 9 \ ~ ~ , C~ I I ~ INNING ANY EXCAVATION OR UTILITY WORK. / ( ~ / LIMI' 48 HOURS BEFORE BEG 15. REMOVE ACCUMULATED SILT FROM ALL EXISTING DRAINAGE. ~ ~G%' OIST LIMITS OF ~ 1 \ \ Y i / ~ ~ AN IMENT CONTROL PRACTICES SHALL BE MAINTAINED, 6 EROSION D SED ~O G~'~ ,~J 2.2 DISTURBANCE ~ A ~ m ' i r ~ 0~ (2.27 ACRES} ~ ~ ~ \ ~ o O ) P ( I NT ARRYING RUNOFF FROM THE SITE WILL NOT ~ ~ ~ . ' SO THAT SED ME C , rj ~j, , / ~ ~ ~ ~ ENTER STORM DRAINAGE FACILITIES. ' 292.75 ' ~ ~ ~ `V ~ d ~(1J QJ ~ C1J V 7 PROPERTIES AND RIGHT-OF-WAY ADJOINING THE SITE SHALL BE ~ , o 0 ~ / , , ~ , ~ I~ ~ I, , KEPT CLEAN OF MUD OR SILT CARRIED FROM THE SITE BY , 3 ! ' ~ A 6 ~ ~ O - , - M _d r o VEHICULAR TRAFFIC OR RUNOFF. ~ ~ ~ ~ / , / I 1' ~ R1 292.50 _ _ _ _ o ~ ~ ~ E- O TI N TRAFFIC SHALL ENTER AND EXIT THE SITE VlA Q~ ~ , 8) ALL CONSTRUC 0 O ~1 , Q X THE CONSTRUCTION ENTRANCES. ~ a, Q 293.0 i , x s r ~ ~ u~ i / a, ? F--~ U U , 9 EXCAVATED MATERIAL FROM TRENCHES SHALL BE PLACED ON THE ~ ~ Dl ' ~ d S C C S ~ UPGRADE SIDE OF THE TRENCH TO ALLOW MATERIAL TO ERODE INTO T N MAINTENANCE AND REMOVAL OF ALL EROSION , / i ~ S DJ ' U ~ Ul i. / U 1 THE TRENCH. CONSTRUC 10 CONTROL DEVICES ARE THE RESPONSIBILITY OF GRADING CONTRACTOR !Q i ' ~ ~ L _Q~0 ~ Q1i 1, , t Q ~~Z Q) O ~ Z UNLESS OTHERWISE NOTED. ' ~ 294.5 , 1-- ~ P IN AN ~ ~ ~ ~ , _ ~ , Q. ~ ~ UTILITY ' P, 10 THE APPROXIMATE AREA OF THE LIMITS OF CLEARING, GRAD G, D ~ ~ S CONSTRUCTION IS 2.20 ACRES. G p) DISTURBANCES ,,e`'' ~uTti~ e ~ - , , / ~ AREA ~ ~ , ~ / , ~ ~ z a 11 LAND DISTURBANCE PERMIT MUST BE OBTAINED FROM GOVERNING - ~ ;i ~ ~ I FORE BEGINNING CONSTRUCTION. C ~ 1 AUTHOR TIES BE ~ ~ , / / , , , A 1 a „ ~ x ) 12 ALL STORM DRAINAGE PIPES ARE CONCRETE CLASS III UNLESS NOTED / ~ i ~ ~ ' / ' ~ ~ ~ i 298 ~ T 1 TC 289.01 ~ " °~isi~ t TORMWATER PONDS USED AS SEDIMENT BASINS DURING CONSTRUCTION , 'r i 3) s ELEC~'BOX,' ~ ~ O BC 289.51 BC 288.51 ' p ~ `d~~ i , ~ ~ ~ a, o SHALL BE CLEANED OUT (I.E. SEDIMENT, TRASH, ETC.) AND ~ ~ ~ ~ i ~ T A PRIOR TO USE AS STORMWATER PONDS. iO4.9 ~ REVEGETATED (IF NECESSARY) ~ PLANTING SOIL SHALL NOT BE ADDED TO THE BIORETENTION AREA ~ n+t~~ 293, / INLET ' BC 2 .89 ~ x N ~,,.o' FFI R ~ ' ~ ~ UNTIL THE SITE HAS BEEN STABILIZED AND EROSION CONTROL 0 CE ).2 ~ ` / ~ LA-7 P t EC I HAS GRANTED APPROVAL. ~ i ~ i~ i ~ / ~ / ' / (TYPIG~AL ~ i ~ ~ ~ ~~ti?,s'~ce~TECi " - ' ~ ~ ~ v. i / ~ ~5 CATCH BASIN 3 ~ ~ ' I ~ ~ i ~ ~ / CON E O i : F- : a _ ~ - ~ .Q=I` r = _ ~ / ~ 29~ 3 ~ T C=287.50 ~ ~ = ~ ~ ~ - ° ~ RIM=287.00 ~ ~ ~ ; ~ r. C7• - > <~r; 0 J r / 29 ~ ~ i 1 OTHERS , y' VIN 10 283.85 i ~ yr ~ ~ , i ~ i ~ , ~ ~ ' ~ ~ ~ INV. OUT=283.75 i d' ' ~G ; O,y st~3 ,`y ~ pA' 1 ~ ~ ~ , _ G~ 1 i ~ ~ ~ ~ ~ O T 289.24 , i ~ 0 ~ r i ~ G~ , 1 O ~ BC 289.43 ± 7.50 ~ ~ ~ ~ ~ ~ i ~ ~ , i ~ ~ 1 / ~ ~ ~ r i ~ 289 ~4 O ~ ~ / \ ' \ ~ ~ ~ +i , i O , ~ ~ 7-A 7-A A T I N PIP ' ~ ' ~ ~ ~ ` LA-6 ~ 8 TEMPORARY (VERSION ~ I ~ 89.43 ' ~ ~ ~ ~ LA-6 TRENCH DETAIL _ O i i ^ ~ ~ I, ~ - TC 290.50 f G ~ ~ _ _ ~ _ U ` lA-6 DITCH ~ \ i . 90.00 ~ ~ ~ 6 ,J _ ~ ~ o ° It ' ~ . A - ~ ~ ~ ~ ~ , " ' coa TRUCTION 3 x o a o ~ ~ ~ , 289.241 - 0~ , ~ENTR~NCE (q-6 ~ 1--~ }~U ~ 0 0 i ~ I ~ + ~ r , ~i G~xl Uzi' > ~ ~ i r - ° 0 0 ° o i~ ~ ~ ~ I i \ ~ I ~ ~ ~ ~ `°a ~ 1 ° 0 ° 0 ° 0 ° ~ ~ ~ ' ~ X289.43 ~ ~ r , ~ ~ ~ i` r 289.24 ~ ~ ~ ~ ~ ~ ~ \ ~ ul C-2 ~~i ~ ~ ~ ° Q ° ° ~ ~ < < p ° p o , ~ y 1290. ~ - + ~ 50 ~ ~ ~ ~ ~ a O , . i ~ ~ - Q'i ~a s / ; i ° ° e ° ° A ~ ~ r ~ PIPE JOINTS (FROM CB 4 TO Q ~4 ww , A i r~ HC , i~~ \ W~7N \ / r, ~ ~ THE BID-RETENTION AREA) 1•~ z z~N , ~ o ° o ° o I ~ A ~ e ° o ~ ~ , ~ 9.43 288.85 RAMP ~ ~ ~ +S ~ r' o ~ ~ ~ GALL BE CONFINED 0-RING 289.4 ~ o o • ~ BEER GASKET JOINTS ~ ~i ~ ~ p .0 0. ~ A ~ ~ ~ ~ , ° , T6 28~.~r7 a ~ ~ ^ 00 TC 289.58 i ~ ~ r ~ / e o ~ ~ ~ ~ i• 1 o G p; co ~ o , ~ ~ ~ ~ ~ ~ HC RAMP ~ ~ ~'P 0 p ° ~ _ U1 LO ~ ~ ~ i i ~ ~ 90.50 r o ° o ' ~ E"I ~ a x .55 ~ ~ ~ ~ r 0 0 0 o r ~ CONCRETE VALLEY 9 W U~ ~D w cm ~ I, ~ ~ A ~ ~ ~ % ' r ~ ~ ' \ : ~ , o ° o ° ° r ~ GUTTER LA-6 W ~ , o w ~ ~ ~ ~ ~ ~ 280.50 ~ ~ ~ ~ + , ~ 289. o 28 ~ J o o a ~ i W ^ w ^ i ~ ~T i _ t , ~ i ~ ~ ' i i~ + + rr r ~ o o ° ' ~ SEE DETAIL ON THIS SHEET ~ ~ C ~ O ~ o o ~ ,o> zw.o r r o o. 0 287 j ~ AND SHEET LA-8 FOR W W p• v zw°. Q, wxa~ i ~ i ~ 2 SILT F NCE ~ ~ ~ i ~ ~ ~ ~ - ~ , , tR-fs ~ ~ ~ E ' ~ DESIGN OF PERMANENT , ° G~ 7-B R.C. PIP • i o o ~ o o W ~ 0 STAN EI~PL.OI'E9~3,ER~DIT UNION r o B 2 ,50 ~ BIORETENTION STRUCTURE ~ / ~ ` ~ ~ j ' , ~ ~ ,i ~ O / ~-8 r ENCH D TAIL e o p ,7 6~ S'F r ap r p o O ~ ~ IN THIS AREA i i ~ 1 , I ~ , .x.50 ! r ~ r o _ \ 1 \ ' ~ ~ I ~ ' ` x.50 9~ I r r o ° Af~,4 I ~ ~ i r / ~ y ~ ~ ~ / ~ / ~ ATCH BASIN 4 ~ r ~ ~ ~ I L.H. D~~~~~ ~P. ~ ~ , _ ~ ~ / ~ ~ ~ ~ i E FRENC i / ~ i ~ It~TO CB-' E FRENCH DRAIN (~-4 _ / r It ~TO CB-1 ~ / . ~ ~ / ~ I ~ ~ ~ D.B. X72, P~ ~~2 , 291 5 ~ ~ / ~ ~ \ ~ i ~ ~ / i T/C~288.82 , 28 ~ / I ~ ' _ PIPE JOINTS FROM JB-1 TO r RIM=286.32 r + ~ ~ ( i ~ _ r , i i / THE BID-RETENTION AREA) , ~ ~ \ r INV. IN=282_30 , , nC~ , t ~ • V~,1 ~ / SHALL BE CONFINED 0-R1NG ~ ~ \ INV. OU I ltS2.ZU ; 15° RCP i ~ ~ ~ ~ ; - ~ ~ ~ ~ MONITORING \ ~ RUBBER OASI(ET JOINTS ~ V ~ ! / 4 - i~ ~ ~ ~ ~ WELL ~ ~ i i ~ ~ ~ ~ bUTLET DETAIL LA-7 clt 280.50 ~ ~ ~ ~ ~ ~ ~ ~ ,-290.25 \ \ , I ~ ~ I ~ ~ r ~ ~ _ _ / ~ ~ ~ , ~ \ ' \ ~ ~ ~ ~ FARED END 1 ~ • P"I j A ~ 0 29.25 i i ~ ~ 4-1 1 , i < ~ 5 CATCH 6ASIN i i 8'7.00 \ 7 / TIE \ A TW 291.00 810R ~fENTiON AREA ~ ~ FES OUT=281.80 ~ 6 287.36 ~ i FRENCH ~~'BW 289.2 / ~ ~ _ ~ ~ ~ O ~ -6 CB-1 ~ ; ~ , LA ~ ~ ~ r - ' ~ DRAIN / • \ ~ 807~TOM 280.50 / ~ ~ 1 ' 287,00 ~ e / T/C=288.50 ~ , i i ' 2;' / - ~ RIM=288.OU ~ i ~ ~ NTO , ~ Cb , PIPE (OUTLET 4 d \ ` 2>~6.75 H- A ~ , ~ ~ ~ D AII. LA-6 ~ ct ~ i ~ / ~ INV. IN (10")=284.85 ~ - 286.75/ - \ / ~ ~ INV. OUT-284.75 ~ ~ ~ ~ ~ / , i r ~ ~ 286.50 ~ 287,00_ ~ ~ ~ - / 280.50 C / Q ~ ~ i ~ I t\ / / i' , ~ ~ ` LIMITS OF ~ TEMPORARY 2 ~ , ~ i i ~ ~ ~ \ TNt 291.00 ~ SEDIMENT TRAP ~ ~ ( DISTURBANCE ~ LA-7 ~'V iiA~- L~Q~.~ i \ ~ i ~ _ i r~ , ~ i i ~ ~ I \ \ 290.7 ' ~ 2.20 ACRES I r~ , • •2 / , ~ S / ~ / ~ ~ ~ ~1 ' • ~ ~ 1 RC / .:287.25 • RCP ~ ° / F . ' . R ' ` ~ 15 ~ ° / ` j / /n ~ ~ ~ I ~ 1 ~ ~ ~ I T AM Ft IN ATA R !R D P VI " i ~ ° . ~ , R K H AS EOU E RO DED ~ O - ~ ~ i ~ . ~ , ~ t , % ~ S DIMENi STORAGE VOLt~ME-~,, 3960 CU fi 0 E O ~ ~ TW 291,00 ~ ~ Q? EDIMENT SURFAICE AR 2754 SQ. FT. 2760 SQ. FT. 0 ~ ' . t t ~ BW 289'.00, ° ° 2/ ,SEDIMENT STORAGE DEPTH 3.5 FT. (MAX) 3.5 FT. ~ S~~ ~ ~ 82.00 ~ ~ , TRAP BOTTOM LENGTH TO WIDTH RATIO 2.OL1W (M1N) 3.OL•1~ rN p _ ~ PIPE OUTL€T 4 SPILLWAY LENGTH _ 10.0 Ff. MIN FT O / ~ ` ~ , , ~ \ ~ , \ ~ ~ ~ ~ ~ DETAIL LA-6 INV- X74.2 ~ ) . ~ F~ ~ , ~ k=-~.- 2/ 10-YEAR FLOW DEPTH OVER SPI WAY 1.00 Fi. FT. U r I INV~ 289.3 i ~ ~ ~ c ~ ~ ~ , 1 FREEBOARD aT 10-YEAR DISCHAR 0.50'FT. ( 0.62 FT. ' \ ~ ~ ~ i ' ° -(CARED END 1 , ~ ~ i , i ~ i~ 'S`TREAM BUFFER ~ ° U / ~ t ~ ~ ~ SECTION LA-7 ° ° i ENCROACHMENT -r - - ° ' / i ~ ~ , AREA T ' ° FES OUT=281.05 ° ° ~ ~ ,PROPOS SA TARY Ef~~AS MENT ° ~ s, 5 CATCH BASIN 2 , 1 y / lA-6 (ce-2) ~ N PROPOS SANITA@ SE Et~~IR~E~ CQNCRETE 6 ~ ~ ~ T/C=286.00 ~ ' S ST ARD MANHOLE A D ~ E DWALL DET,41 `-7 ~ \ ~ R PR P S LOCATION B TEMPORARY DIVERS( ~ - - ° \ ~ LA_7 H_1 ~ (DATA FO ~ E 0 0 ED ~ ~ O RIM=285.50 ~ ~ \ RIM=288.29 / PROV16 SMH LA-6 DITCH ~ 8~ \ ~ ~ - INV. IN=282.75 20 10 0 40 ~ - 2 20 60 ` ~ - INV.OUT-282.65 _ ~ ~ T INV. IN 10" -282.50 I HED - ~ - - - - - - - \ INV. IN=282.11 • ~ R M= 7.80 / ~ \ ~ ` ---'"~0' STREAM BUFFER ~ 1 BUFFER ~ INV, OUT=2$2.01 / \ \ \ 1 ` (DATA PROVIDED BY VIDED BY - _ - ~ /STANDARD 5 INN. y~2.9\ \ ~ L to-7 I \ \ \ ~ ETD ASSOC.) , / \ y~~ ~ 'F~~}L LEGEND v \ , - ~ ~ G~A~3ING 8~ ~~~SION SON 1 ~ n~ - ~ RIM=289.45 ~ I \ \ ~ .2 ~ INV.IN=281.50 .°1 I I II \ ~ _ ~ i ~ \ - i \ ~ , ~ _ WFTI A~IfI~ I ll('AT1f~4~1 ~ ~ ' I \ ~ I m ~I~~~II~~I~ SILT FENCE OUTLET SEE 4/LA-7 ~ CATCH BASIN-SEE 5/LA-6 Y ~I ICI Q ~ STORM MANHOLE SEE 5/LA-7 INLET PROTECTION-SEE 3/LA-7 G' i D ' i i ~ SANITARY SEWER MANHOLE v ? I?~ i, ~A~ ~ ~ I o -SF -SF -SF - SILT FENCE r.., N AK YM L o U E BRE S BO N -TP -TP -1P - TREE PROTECTION DENh o LD LD LIMITS OF DISTURBANCE + 250.60 SPOT ELEVATION 1~ DATE 4-6-05 i i-05 ~ WOODED AREA 250 10' CONTOUR SCALE z 1 "=20' 20' ° 252 ~ ° oo o o° ° 0 2~ CONTOUR 0 ~o. o po DESIGNED BY ~ v o m ~o ~0 ~O ~o U to ~ o o ° o CONSTRUCTION ENTRANCE _ - - - - _ BJ 'J o ~ o ~ u o -25Q- EXISTING 10' CONTOUR M ° o o o° o o SEE 3/LA-6 DRAWN BY TH H o° Q J U p° 0° ~ 0 - - - - -252- - - EXISTING 2' CONTOUR CHECKED BY MZ Z - - - - - EASEMENT LINE JOB 0 r~ 2003-034 -034 SEDIMENT TRAP-SEE 2/LA-7 STORM DRAINAGE 2~ ~ Q ~ 2~ 4Q 60 SHEET 4 a m m J ~ ~-TOP OF WALL ELEVATION ~ BNF•2i3416-BOTTOM OF WALL ELEVATION A o N GUARDRAIL (NOTE: BOTTOM OF WALL IS GROUND ~F $ SHEETS ~ SHEETS ~ ELEVATION NOT WALL FOUNDATION) u d X n „ ~ ~C U ~ - ~ ~ ~ ~ ~ '.If~~J= I .G i0 ~ ~ " ~ REV 05~11~U5 CON T n~ _ ~ ~JG' I . ~ PER DWC C I EROSION COf~TROL NOTES: S RUCTION SEQUENCE ~ r 1) PERMANENT SOIL STABILIZATION SHALL BE APPUED TO DEN A ~ ~ ~ O ~ ~ ~ ~ UDED REAS THE CONTRACTOR IS RESPONSIBLE FOR ENSURING THAT EROSION IS Mf 1 ANO THAT WITHIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION OF SITE. TEMPORARY SOIL STABILIZATION SHALL BE APPLIED 4NTHIN SEVEN COMPLIANCE WITH ALL APPLICABLE FEDERAL, STATE, AND LOCAL LAWS, REGULATIONS, AND . e~ y ~ f~ tir,i j- ~ DAYS OF DISTURBANCE TO DENUDED AREAS THAT MAY NOT BE AT FINAL ORDINANCES IS MAINTAINED THROUGHOUT EXECUTION OF THIS PROJECT. GRADE, BUT WILL REMAIN DORMANT (UNDISTURBED FOR LONGER THAN . y ~ , ~,RAV~~~ ~GS~ ~ ~ ~ i v _ G~ ~ ~ 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT 1. OBTAIN LAND DISTURBANCE PERMIT. , ~O SMH RIP~°-303. ~~''~~G~' -~~~';~~~,~r, r, ~ v. i~ , c, I ~ ~ r--- ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. - ~ n l~'v.l'J=2~ 0.5 ~ r ~ n ~ ¢ 2. CONSTRUCT TEMPORARY GRAVEL CONSTRUCTION ENTRANCE. 2) ALL CUT AND FlLL SLOPES AND CHANNEL SIDE SLOPES WHICH ARE NOT TO lhy ~f~~V'.~v~= ~ r, BE PAVED, SHALL BE SEEDED UNTIL A GOOD STAND OF GRA I SS S OBTAINED 3. INSTALL SILT FENCE, DETENTION/SILT BASIN & SEDIMENT TRAP AS SHOWN ON P AN " IN ACCORDANCE IMTH: L S ~ ~ ~ ~ ~ ~ - Irr, /i ~ i ~ L ~ a - iA ' _ - A LIMESTONE SHALL BE SPREAD AT A RATE OF 2,000 LBS. PER ACRE. 4. INSTALL STORM DRAINAGE C~ / , ~ o~ = B FERTILIZER SHALL BE DISTRIBUTED EVENLY BY MECHANICAL SPREADER, ~ P~ ~ ~ - ~ ~P _ WORKED INTO THE TOP 4" OF TOPSOIL NOT MORE THAN ONE WEEK PRIOR 5. PLACE STONE ON ENTRANCE DRIVE AND PARKING AREAS - TO SEEDING OPERATIONS. SPREAD AT THE RATE OF 500 LBS. PER ACRE. 0 / g A 5 BROADCAST ~ OF FERTILIZER IN ONE DIRECTION AND THE REMAINING 1~ iN 6. INSTALL FINAL BIOREIENTION AREA. - _ ~ ~ R~ FAG A DIRECTION AT RIGHT ANGLES TO THE FIRST DIREC110N. C. MULCH SHALL BE SPREAD UNIFORMLY OVER SEEDED AREAS AT THE RATE 7. INSTALL INLET PROTECTION ON STORM INLETS. REMOVE TEMPORARY SEDIMENT A IN ~ , BS OF x,000 LBS./ACRE. ~ ~ ~'C~ ~ ~ ` ~ ~ ~ ~ c' \ ~ y 8. EXCAVAT AN P ~ / ' E D ROMPTLY SEED/MULCH PERIMETER AREAS OF SITE. ~ \ - I - ~ 'a ~ I ~ ~ 3) COUNTY ENGINEER AND OTHER APPLICABLE AGENCIES SHALL MAKE A CONTINUING REVIEW AND EVALUATION OF THE METHOD USED FOR THE , ~ ~,'`J ~ r a Q 9. GRADE AND EXCAVATE FOR BUILDING PAD aND FOUNDATION AREA. OVERALL EFFECTIVENESS OF THE EROSION CONTROL PROGRAM. AN , F o APPROVED EROSION AND SEDIMENT CONTROL PLAN MAY BE AMENDED ~ ~ Pv BY THE APPROVING AUTHORITY IF ON SITE INSPECTION INDICATES 10. CONSTRUCT BUILDING, ~ QO P ~ o ~ I a THAT THE APPROVED CONTROL MEASURES ARE NOT EFFECTIVE IN i' ` \ i~ ~ CONTROLLING EROSION AND SEDIMENTATION OR IF BECAUSE OF 11. FIN i ~ r F'- / C. E GRADE AROUND BUILDING, SPREAD TOPS01,., SEED OR SOD AS APPLICABLE. ' ~ CHANGED CIRCUMSTANCES, THE APPROVED PLAN CANNOT BE CARRIED <~I" sue'" ' ~ OUT. _ ~T,~ P ~ ) i 1' 't ~ j~ ~ ~ 12. FlNE GRADE PARKING AREA, ADD STONE WHERE NECESSARY, CONSTRUCT STRUCTURES, I, , ~ ~ ~ ~ ~ c~ MI NAL 4) CONTRACTOR SHALL LOCATE AND VERIFY THE LOCATION OF ALL ~ 13. FlNE GRADE AND SEED OR SOD DISTURBED AREAS. UTILITIES PRIOR TO BEGINNING CONSTRUCTION. ~ ' ~ 1 ~ , A ~ ,1 / ~ ~ 5 THECN AT 14 ~ 0 TR C OR SHALL NOTIFY NORTH CAROLINA "ONE CALL" AT 1-800-632-4949 REMOVE ALL EROSION CONTROL MEASURES. , a , , , 48 HOURS BEFORE BEGINNING ANY EXCAVATION OR UTILITY WORK. , Q i ~ ~ ~ 15. REMOVE ACCUMULATED SILT FROM ALL EXISTING DRAINAGE. ~ y I I i~ i ~ ~ ~ i \ T ~ L M T< 6) EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE MAINTAINED, ~ 1 ~ ~ ; ' ~ ~ ' DISTU LIMITS OF ~ ~ ~ ~ ~ ~ 1~ ~ ~ I1 DISTURBANCE ~ ~ ~ ~ \ W ~ SO THAT SEDIMENT CARRYING RUNOFF FROM THE SITE WILL NOT O~ ~ i',) ~ ~b G, ~ r J (2.2 ENTER STORM DRAINAGE FACILITIES. ~ ~ ~ ~ , - (2.27 ACRES) . 'L ~ ~ ~ ~ ~ ~ ~ ~ ~ ~1 F i , ~ ~ ~ ~ X11 " ~ ~ o 7) PROPERTIES AND RIGHT-OF-WAY ADJOINING THE SITE SHALL BE ' ~ ` ' " ~ , r ~ ~ , . ~ ; ' KEPT CLEAN OF MUD OR SILT CARRIED FROM THE SITE BY n~~~~`- _ ~ ~ ~ ~ 292.75 ~ ~ ` ~ ~ ~ ~ ~ ~r`-I - ~ ~ VEHICULAR TRAFFIC OR RUNOFF. ~ ~ , ~ ~ ~ ~u ~\.J ~ / 5 ~ r ~ ~ ~ rv ~ 8) ALL CONSTRUCTION TRAFFIC SHALL ENTER AND EXIT THE SITE V1A ~ / ~ , THE CONSTRUCTION ENTRANCES. / ~ / 1 ~ ~ ~ ~ - ~ d ~ 292.50 ~ ~ i 1 ~ ~ o r b L CU ~~I 0 , 293.0 ~ ~ ~ \ ~ ~ 9) EXCAVATED MATERIAL FROM TRENCHES SHALL BE PLACED ON THE ~ ~ ~ Q~~ UPGRADE SIDE OF THE TRENCH TO ALLOW MATERIAL TO ERODE INTO ~ ,9~ - ~ ~ ~ s oI, ti D x THE TRENCH. CONSTRUCTION MAINTENANCE AND REMOVAL OF ALL EROSION al ~ ~ ~~~0 ~ ~ o r 0 i ~ ~ ~ ~ ~ \ ~ ~ as CONTROL DEVICES ARE THE RESPONSIBILITY OF GRADING N A CO TR CTOR ~ ~ ~ r r ~ i, _ d UNLESS OTHERWISE NOTED. j ! 'i^ _ V ~ ~ ~ ` S ~ -f-" ' a ~ ~ ~ ~ j ~ u ~n 10) THE APPROXIMATE AREA OF THE LIMITS OF CLEARING, GRADING, AND P ~ 0~ 294.5 ~ J ~ i ~ V afp : I Q ~ ~ Z ,J CONSTRUCTION IS 2.20 ACRES. ~ F ~ 5 ~ ~ G / ~ ,i 11) LAND DISTURBANCE PERMIT MUST BE OBTAINED FROM GOVERNING - ~ ~ ` ~ UTILITY ~ ~'f !1y ~j DISTURBANCE ~ ~ ? P AUTHORII1ES BEFORE BEGINNING CONSTRUCTION. ~ - , i \ \ ~ H y ' ~ AREA ~ ~I ,~e ~$Q~ar[~ e ~ 1 12) ALL STORM DRAINAGE PIPES ARE CONCRETE CLASS III UNLESS NOTED ~ ~ ~V / / a v ~ S / ~ / - 1 ~ ~ r a' a o- 13) STORMWATER PONDS USED AS SEDIMENT BASINS DURING CONSTRUCTION ~ ~ t96 SHALL BE CLEANED OUT (LE. SEDIMENT, TRASH, ETC. AND ~ ~ ~ ' T t TC 289.01 ~ ~ ~ ~ A I I ~~6 ~ ) ELECy 80X, ~ REVEGETATED (IF NECESSARY) PRIOR TO USE AS STORMWATER PONDS. i~-+.~' / ~ ~ BC 289.51 ~ ~ ` ° ~ I BC 288.51 Oj ~ ~c~`~31si~~ ~ PLANi1NG SOIL SHALL NOT BE ADDED TO THE BIORETENTION AREA ia~ ~ ~ ; , o ~ ; ti t UNTIL THE SITE HAS BEEN STABILIZED AND EROSION CONTROL OFFICER ~ ~ , ~ ~ HAS GRANTED APPROVAL. ' ~ ~ ~ ~ 293 T ~ . , s' ~ r ~ ~ BC 2 .89 ~ INLET ,,,,,~;~~r~~~,,,, ~ PROTEG LA-7 < - ~ ~ x N .o ~ ~ ~ ~ ~ ~ ~ A / ~ P ~ I J ~ ~ \5 C CH B IN ~ (TYPICAL) ~ r' ~ ~ a ~~~„•~.1[c: n / 6~ AS 3 ~ ~ . ' / ~ _ `w ' ~ ~ ~ 293 r j i ~ ~ _ CON E O o~'Yh ~ i : ~ ; ~ ~ ~ = Q ~ T/C-287.50 , ~ /r ~ : Q • : ~ : ~ : Q ~1 r i ;j~ RIM=287.00 SIDEW K 8 r 1 - U ; ~ - Z ~ - - i OTHERS ; ` ~ C7 J~ _ > w'rc ~ ~ V. IN(10 )=283.85 ' ~ _ ~ ' ,R` INV T- ~ ~ ~ ~ r . OU 283.75 _ i ; Y ~ 3 •a~~ i ~~G • ~ ~ P, \ ~ ~ e ~ ~ 0 V \ ti y A ~ ~ 28924 ~ U r ~ ~ ~ ` \ ~ BC 289.43 + . 7.50 0) ' ~ ~ . r ~ ~ ~ ~ ' ~ ~ ~ ~ ~ . 289~~4 ~ r /90 /i \ i . 7-A 7-A A T I UN PIP ~ ~ i ~ 8 TEMPORARY DIVERSION ~ LA-6 TI LA-6 TRENCH DETAIL ~ ~ ~ ~ ~ Q ~ T - ~ 289.43 r ) ~ ~ C 290.50 ~ ~ ~ r~ ~ / r~ _ ~ ~ , r o ~ LA-6 DITCH ~ i ~ _ , r - e o ~ ti ~ , - ~ ' ~ 6 , - ~ ,i ~ i ~ ~ Q~ ° ° 0 ~ ~ V r~ ~ p i ~ ~ , ti C p ~0 0 ~ ~ o; ~ ( \ 0 0 0 ~p o ~ ~ ~ ~ ~ ~ ~ ~ v ~ ~ ~ ~ U7 \ ~ ~ , i 1 ~ r COtJ TRUCTION 3 ~ ~ P: ° e p ~o p ~ ~ i o ° o ~ o o i ~ \ i ~ ~ ~ 289.24, 0 +ENTR~ANCE LA-g ~ p o ~ ~ ~ + ~ I ~ r ~ ~ A'~\ ~ ~ ~ C o o o ~ r I- o p o ~ o o / ~ ~ p 0 ~ r ~ o o p o a i ~ ~ , A % I ~ ~ ` ' ' ' ` tYi ' O 2 ~ o 0 0 / ~ , ~ rr ~ 0 0 o ~p i I 289.43 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ I ~ a p o 0 0 0 ~ ~ 90. 289.24 \ ~ ~ i ~ to t~ ~ ~ i r i o ° p 0 0 0 1 ~ ~ ~ ~ ° ~ r I ~ a r HC i PIPE JOINTS (FROM CB-4 TO Q Qlj pC W ~ , ~ ~ ~ T 89.50 A ° A 9.43 288.85 ' ~ RAMP ~ ~ ~ THE BIO-RETENTION AREA ~ W ~ ~ ~ ~ T 89.50 ~ 289.24 + - ° ~ ' ~ `HALL BE CONFINED 0-RING a r ~ ° ~ • ~ BBER GASKET JOINTS ~ ~ D ~ ~ , I ~ ~ • ~ ~ r 0 p~ ~ ^ O O \ tSs r~ I 0 ° ° 1 O1 ~ Qr ~ C ~ ; I \ so.5o ~ ~ ~ ° ~ ~ He RAMP ~ O ~ ~ r 280.50 ~ ~ ~ ~ , ~ ~'0 - o ° ° ~ ~ ~ r- 289 ° ° r ~ ~ ~ x 289, A ~ r ~ r~ ~ ~ ° o ° r ~ CONCRETE VALLEY 9 WU DC m ' r + ~ ~ r ~ i 28 OD.~ A~_ r ° o ~ o i t GUTTER LA-6 W ~ p ~ ° ~ ° ~ 2 SILT FENCE \ r I p o ° o ° / ~ - ~ ~ . Q~ 2 r \ r ° ° ° ~ ~ 0 SEE DETAIL ON THIS SHEET W p ~ ~ ~ • LA-6 ~ e ~ ~ / r ' ° ° ° P67. , ~ ~ AND SHEET LA-8 FOR w tx a 6 _ STAN ~MPLOY~$,~E~f UWI0~1 7-B R.C. PIP i ° o a o o ~l V DESIGN OF PERMANENT 2 .7 ~ ~ ~ r N TAIL r o o BW 2 .50 ~ BI R T NTI ~ , , ° c ° 0 E E ON STRUCTURE ~ ~ I ~ ~ ~ .c ,50 ~ ~ , , °p , ? ~ IN THIS AREA ~ r NF ,5 - _ ~ ~ ~ i ~ SITE Aid -2.50 ACRES ' r ° ' - - - ~ ~ /108;900 SF / ~ ~ r r o ° 1 ~ ~ _ ~ ~ ; I L.H. DIKENS JR. i I ~ ~ / ~ i ~ ~ r ` i I _ ~ ~ ~ i ~ n o c-~n nn inn / I, ~~lE FRENCH I ~~lE FRENCH DRAIN,~~ ~ , ~ ° ~cemu aec~u ye A / ~ , ~ v.fa. ~ f rv JLL \ WTO c6-1 CB-4 - , V~ ~ ~ ~ ~ T/C=286.82 ~ ~ ~ ~ 2 0 ~ , i ~ i ~ ~ \ ~ i ,o ~ ~ ~ i ~ ~ ~ ~ ~ PIPE JOINTS (FROM JB-1 TO ~ RIM=286.32 i + ~ ~ r~ TH i ~ \ ~ ' - ~ ' ` ~ ~ E BIO-RETENTION AREA) ~ ~ ~ i INV. IN-282.30 ~ ~ i , ~ ~ ~ ~ ~ M NIT ~ ~ ' ' i ~ ~ 0 ORING ~ s. s. , / SHALL BE CONFlN® 0-RING INV. OUT=282.20 ~ i ~ ~ ii ~ ~ ~ . ~i 280.50 ~ ; ~ ~lij ~ ~ ~ ~ ELL ~ r 15' RCP ~ A ~ ~ RUBBER GASKET JOINTS ~ i ~ ~ ~ ; ~ ~ ~ i ~ ~ ' ~ ~7 - _ _ ~ ~ ~ ~ A ' ' ~ r i UTLET DETAIL LA-7 I ~ ~ ~ i ~ ~ A ~ ~ ~ ~ ` i l i ~ ~ ~ ~ I~Qywnw~' \ ~ i , 1 / / - / / 07 2yv~ i~y ~ . , , / / ,r ~ i / ~ i 5 CATCH BASIN , i 287. _ / , ED END 1 ~ • 287.00 V 7 ~ ~ T1E ~ ~ ~ ~ i i / ~ S TION LA-7 ~ P"~ ~ -1 / ~ - C6 LA 6 , C 287.36 ~ ~ ~ 291.00 , i ~ r"'~ FRENCH ~ TW ~ ~ FE OUT=281.80 ~ ~ 810Rf EN110N AREA i ~ ~ ~ ~ - - ' i ~ ~ / r _ T/C-288.50 ~ r ~ - 287.00 ~ DRRIN ~ V ~ T~ ~ ~ BO ON=280.50 ~ `JNTO A d~ , -o ~ ~ v~ ~ ~ i RIM=288,00 ~ ~ i ~ ~ ~ INV. IN 10" =284.85 7 ~ / ~ ~ i 2~'i. 5 ii lyu_~. ~ / i (b , PIPE IOUTLET 4 s. ~ ~ ~ ~ ~ ~ ~ i ~ ~ i ~ DETAI~ LA-6 ~ ~ ~ ~ ~ INV. 0UT_284.75 / ~ ~ ~ , ~ 286.75 ` G ~ ~ n~ ; ~ ~ ~ ~ ~ , a ~ - ~ ~ 286.50 287.00 ~ ~ , u~ . - - ~ ~ ~ , ~ ~ ~ ~ ~ iiv`J= 74 - ~ .2 ~a 2~ ' ~ ~ ~ ~ 280.90 ~ 5 ~ b 1 , x_ ~ _ _ ~ ~ ~ , -~Y 2 ~ ~ G' ~ ~ ' ~ ~i% ~ ~ DISTURBANCE ~ SEDIMENT TRAP ~ «i / ~ ~ ~ ~ \ , W 290.7 i r LA-7 i ~ ~ .2 ~ ~ ~ ~ ~ 2 ~ ,1 , ~ ~ I .2 J / i / (2.20 ACRES) ' 287.25 15^ RCP ~ ~ R F , ~ » RO ~ ~ / ~ ~t' ~ ~ ~ ,p ~ , ~ ~ ~ ~ 1 . ~ ~ ~ .0 ~ ~ ~ ~ ~ ~ ~ ~ / ' ~ , ~ ~ ~ ~ ~~r ~ ~ R~ K SILT CHEC DAN. ~ FILTER BASIN DATA REOU!RED PROVIDED I ~ i ` ~ _ ~ S DIMENT ST U ~ ~ ~ ~ ~ ~ ORAGE OLI~~IE-~, 3960 CU. FT. 6770 CU. FT. i v_ ~ - ~ t , ~ 2 i ~ ~ 291.00 C~j DINENT SURFAC ~ 0 ~ ~ E ARE 2750 S0. FL 2760 SO. FT. ~ _ A• ~ BW 289.ao, - ~ ~ q SF ` ` ~ / 2/ ~ SEDIMENT STORAGE DEPTH 3.5 FT. MAX 3.5 Ff. ~ ~ A ~ - - - ~ _ _ ~ ~ ~ PIP ~ ) E OUTLET ' 4 BOTTOM LENGTH TO WIDTH RA110 2.OL:1W MfN 3.OL:1W r---~ ~ ~ I ~ ~ !i~~JV- 289.3' ~ S ~ ' ~ ~ ~ ~ , SPILLWAY LENGTH F ~ ~ ~ ~ TA,L ~,I 10.0 FT. MIN 10.0 FT / `----~,Lz ~ ~ - ~ ~ u+-6 I f . , 274.2 ( ) o ~ ~ ~ ~ i ~ ~ ~ R~1=~ ~'0 ' ~A-8 " ~ / p ~ ~ ~ 10-YEAR FLOW DEPTH OVER SPIL WAY / ~ ~-~y ~ ~ ~ ~ ~p 1. ~ 1.00 FT.,(MAX) FT. U ~ ~ / ~ ~ - ~ \ ~ ' ~ FREEBOARD AT 10-YEAR DISCHAR 0.50 FT ~ / ~ ~ ~ ~ ~ D\ ~ / • (M 0.62 Ff. i i M , 'S`TREA BUFFER - A R N ~ ~ fC ED E D 1 ` ~ ~ / ~i ~i'~~ / ~ rJ ~ i ~ i i ENCROACHMENT \ ~ - S TIN ~ ~ U _ ~ \ ' ~i ~ REA , T _ - ~ - ~ FES OUT=281.05 ~ i, + ~ \ 5 CATCH BASIN l \ 2 ~ o ~ ,PROPOS SA TARY S WEf~~AS MENT \ ~ » ~ T ~ AND PROPOS SANfTABY SEW_ERL~IdE~ ~ CONCRETE 6 ~ ~ ~ I • ~ 5 S ARD MANHOLE ~ / T/C=286.00 ~ RIM=285.50 \ ENDWALL DET,41 -7 ~S~ ~ LA-7 -t (DATA FOR ,T` E PROPOSED LOCATION 8 .TEMPORARY DIVERSI - - ~ ~ 20 ~ ~ ~ 2~ 40 INV IN= 60 ~ 282.75 RIM=288.29 PROV}b SMH LA-6 DITCH - ~ ~ T., ~ i ` ~ INV. OUT=282.65 INV. IN(10" =282.5'0 I HED , - ~ g v ~ ~ ~ - ) WQ~RK B - - - - - - T ~ ~ - --~'"~0' STREAM BUFFER ` ~ DATA PR VI ~ 1 \ ( 0 DED BY FFER INV.IN-282.11 , R M= 7.80 - - - ~ \ o BY ~ INV. OUT=22.01 ~ ~ \ ~ \ ~ ~ ETD ASSOC.) ' _ _ . - ~ i STANDARD 5 \ ~ - GRADING & EROSION C0N~R4I, LEGEND ~ ' - ~ , ~ ~ , ~ i (MH-2) r y, ~ \ ~ h U / ~ - RIM-289.45 _ ~ ~ ~ \ ~ 2 ,r i i v A m ~ I~~ ~I~ SILT FENCE OUTLET-SEE 4 A-7 ® _ ~ c ~ CATCH BASIN SEE 5/LA-6 WFT( A~If~~ i (1( ATM INV. IN=281.50 i ~ ~ ~ ~ ~ ~ ~ • INV. OU.U-2$t.~0 ~ ~ ~ \ Y ~ ~ \ fA~ ~ ~ ~ ~ ~ ~ i \ Q ~ STORM MANHOLE SEE 5/LA-7 INLET PROTECTION-SEE 3/LA-7 M r SANITARY SEWER MANHOLE c -Sf -SF-SF- SILT FENCE N ti LINE BREAK SYMBOL - TREE PROTECTION I ~ I I LD LD LIMITS OF DISTURBANCE + 250.60 SPOT ELEVATION ;n 's w00DED AREa 25C z 10' CONTOUR 0 Q DATE 4-6-05 ~ o ° °°~Q V" ° 252 2' CONTOUR m >~o o SCALE ~ o' ° ° ° CONSTRUCTION ENTRANCE m ° o ~ ° ° - - - -250- - - - EXISTING 10' CONTOUR 1"=20' I o o SEE 3/LA-6 Q U J ° °o ~ 0 ° ° ° ~ o °o DESIGNED BY ~ 0 - - - -252- - - - EXISTING 2' CONTOUR BJ DRAWN BY TH j ~ - - - - - EASEMENT LINE 0 CHECKED BY m 0 SEDIMENT 1RAP-SEE 2/LA-7 T M MZ R S OR DRAINAGE c m m ~ JOB 2003-034 ~ 1Ws -TOP OF WALL ELEVATION 20 ~ Q 0 SHEET m ~ 0 N B 3. -BOTTOM OF WALL ELEVAl1ON 20 40 60 Q ~-{.*--0 GUARDRAIL (NOTE: BOTTOM OF WALL IS GROUND y J ELEVATION NOT WALL FOUNDATION) c X IMF $ SHEETS I REVISIDNS BY /,1 " ~ - ' ~ - ~ ~ / ~ ~ 1 • / / i' • / \ (CONTTACTOR TD FILL IN) OF SffE ARE TO BE / 1. ALL NEW PLANT AREAS ii IRRIGATED ADN SYSTEM DESIGN SUBMITTED TO THE . ~ ~ ? , l j; - ARCHITECT FOR REVIEW PRIOR TO INSTAUATION. " , / INITIAL PRESSURE - = ~lP PRESSURE LtiSS THRL7UGH METER - , Pa % SOD 3 QS / PRESSURE LASS THROUGH BACKFLDW P~REVENTER = 2. LANDSCAPE CONTRACTOR TO VERIFY LOCATION OF ~4 4 fiH St~D PRESSURE LOSS THRIiUGH PRESSURE REDUCER = UNDERGROUND UNT1l.TilES BEFORE PLANTING. ; ~ ~ !i jj PL / (SET TD DESIRED LEVEL) ~ ~ 1 5J \ = U H IN PARKING AP ; '~Q ; PRESSURE LOSS THR{3UGH Ll)NGEST RUN DF PIPE 3. PLANT SHRUBS 3 FEET FROM C R F,0 ; , P 3 fTV • ~ 42 SJ PS ~ (TO HIGHEST ELEVATiQN> _ AREAS. ~ ,i 1 o CU PRESSURE LDSS THROUGH ELECTRIC VALVE , `~5 , D= 4. PLANT MATERIAL WILL BE REJECTED UNLESS ANY ~ ~P o PRESSURE AT HIGHEST HEA G AND All PLANT MATERIAL ARE OF SIZE, SPREAD, i , ' \ °m° ti ~ ~ u i _ CALJPER, GENUS, SPECIES AND VARIETY SHOWN. ~ to PW~iING 5 ~ ~ ~ INITIAL PRESSURE - ALL REWORK WILL BE AT THE EXPENSE OF THE , ' ~ _ / PRESSURE Lt7SS THROUGH METER - BE PERMITTED ~ ~ - ~ ~ ~_i ~ ~ = CONTRACTOR. SUBSTITUTIONS WILL PRESSURE LOSS THROUGH BACKFLDW PREVENTER ONLY UPON SUBMISSION OF WRITTEN PROOF TO C, ~ ~ mm \ s PRESSURE LDSS THROUGH PRESSURE REDUCER = SPECIFlED PLANT IS NOT , (SET TD DESIRED LI=VEL) THE ARCHITECT THAT A SOD ~ ~ m cs 'o, NGEST RUN OF PIPE = OBTAINABLE. ; PRESSURE LDSS THROUGH LO , \ s 1 ~ ~d (TO LOWEST ELEVATIG) \Q ~ N ~ S = 5. ALL DISTURBED AR BE STABILIZED ~i ~ ~ PRESSURE LOSS THROUGH ELECTRIC VALVE ,J ~ ~ ~ q ~ WITH SOD PLANTINGS, PRESERVATION SEED MIX, OR , f + \ a PRESSURE AT LOWEST HEAD= MULCH. G ~ ` ~ ` o . 0' ~ f ~ ~ soD - % \ 1 ~ d + `I \ - 8 iN ~ v - ~ ~ - RUN TIME OF COMPLETE SYSTEM PER WEEK, TD HRS/ WEEK- , ~ ' _ v • ~ ~ n, 24 SJ PS + ~ ~ t- ~ MULCIi 1 PROVIDE 100% COVERAGE iN JULY ~ / 4 AA ' + ~ c + + SO EDGE lA- • RUN TIME OF COMPLETE SPRAY AND ROTARY SYSTEM, PER WEEK, HRS/ WEEK= ~ 3@ H ~ l TD PROVIDE 100% COVERAGE IN JULY ' 42 SJ'PS + + ~ Q' ~ ~ + \ ~ ~ - - / \ + + • + RUN TIME OF COMPLETE DRIP SYSTEM, PER WEEK, HRS/ WEEK- , o TO PROVIDE 100% COVERAGE IN JULY 4 QS `V 31 HQ ~ \ ~ + + r \ ~ \ _ G 5 + , 153 LM'8M 5 DIF ~ ~ ` ` m, ~ ~ + 1 r ~ ~ 13 SJ PS G~;~ , . 5 SJ Ps ~ ~ ~ ,i ~ i~ W ~ + IriUIC \ MULCH ' ~ + ~ ~ ~ o , ~ 100 ~ BM/75 DIF , ,i + \ ~ Qj d 20 LM 6M 1 ' ~ + i t Ns C~ c ~ r + / • +r / ~ + + / sRI - ~ ~ ~,r~ / \ ~ d' ~ KEY PLANT NAME SIZE (MIN) R~~T REMARKS SEED + + ' DECiDUauS SOD i 2.5' CAL I ~ + + + ; 20 LM 6M ~ + + ~ p) ~ + , M ~ ~ + ~ + ~ Ar~~ i ~ d~ TREES ~ AB ACER BUERGERIANUM /TRIDENT MAPLE ~ B&B FULL + ' + ' ' + ' i 12-14 HGT + + + + . + + + 3 ~ ~ /6 2oa~ ~ o ~ I 1.5 CAL, FULL, MULTITRUNK l V A AA j AMELANCHIER ARB®REA AUTUMN BRILLIANCE / SERViCBERRY - ~ j B&B , ~ SOD ~ ~ 10 !i? HGT ~ MDV. 3 TRUNKS 182 l~~ 90 Dif + ~R / ~ L + p ~ S~,~~111Y + _'""'p~ ~ S d - ~ -----T % ~ 4 CAL. i i + + ~ ~ ~ ~ A ~ v -""~JI ~ U U + ~ I ? NS NYSSA SYLVATICA /BLACK TUPELO 16-18' HGT I B7),$ FULL I ~ A + ~ ~ I ,I i ~ ~ 9S i QUERCUS SHUMARDII/ SHUMARD DAK 4 CAL Bg,B FULL ` SEED 35 LM'BM 30 DIF - ~ + + + \ + ~ i U~i WUI~ ' 16 18 HGT _ _ i ~ + A + A ~ ~ ~ i. , Qt 0 - ~ - ~ 1S' CAL. FULL SPECIMEN ~ ~ ~ ~ SE SNOW BELL TREE B&$ TREE (NOT THE BUSH) ~ ~ e} S,J STYRAX JAPONICA ! JAPANE j 10-12' HGT I ~ ~ ~ ~ / EVERGREEN I ~ SOD + 'iY1VWT1 + + + \ \ ~ ~ i o + + ~ ~ + ~ p, TREES ~A_4 I + + ; IMN I ILEX 'MARY NELL'/ MARY NELL HOLLY 6' HT, CONT./B&B FULL ~ ~ + + + + + + t 95 HS 85 DIF ~ v TI ~ ~ + + + ~ WJ i wy4 ~ ~ 65 llwl BM + ~ 4D DIF ~ ~ . + ti o / + + ~ + 1 ~ ' 1 ~ o y, ~ 8' HT. ~ B$B FULL , JVB JUNIPERUS VIRGINIANA BURKII/BURKII JUNIPER ~ 4 AA + + \ I N O _ 44 RI - ~ ~ ~ s 1 -----------r - - 24 RI %7 ' + + + ' - , ~ ` ~ + + 19 RI ~ ~ c: W " PS I PINUS PALUSTRIS /LONG LEAF PINE ~5 HT. & 3 4 SPD,I B&B FULL 25 HS v^" ; _ -_-L__-_ 35 lld'OM + ~ ~ SOD ~ ~ ~ i + \ I S + + - 2.5" CAL 'I Bd~B FULL 2 DS ' , + + + 1 NS ; ~ ~ I -4 ~isl~ ~ \ ' ~ ~ d! I ~g D PV PINUS VIRGINIANA / VIRGINIA PINE 3 12-14'Hi. I ~ SHRUBS ; ~ + ~ I \ \ ~ + ~ ~ + ~ + + ~ ~ ~ ?illll/fill 1, 1 - A'/ CARISSA HOLLY 24' HT. &SPD. C6NL FULL + + + + LA 4 ICC ILA( CDRNUTA CARISS ~ + + . ~ ~ - _ _ - - - lily + ~ n, ~ ~ ~ + ? ~ A ~ X + + ~ 3 fN ~ 34 LM BM + ~ ~ ~ ~ll , ~ 110 LM BM + + + ' 32 LM BM \ 6 PERENNIAL PIAN~ING ~ - P ICST ILEX CRENETA 'SOFT TOUCH'/ SOFT TOUCH HGLLY Z4 HT, ~ SPD. CENT. i FULL ~ , _ } ' _ ~ ~ , r + + + 8 SJ PS + + LA itN@ERPUtNTED WtfH BUSS (TYP.) ~ : Q _ 4 + } / / ~ + > ~ 25 SP JP - 1 IOC I a ~ IG ILEK GLABRA CDMPACTA / INKBERRY 36 HT. &SPD. ; CflNT, FULL _ _ _ _ ~ 1 ~ 15 Lu BM ~ 30 NS/30 O1F ~ ~ i - 30' HT, R SPD. CONT. FULL ~ ITV ITEA VIRGINICA HENRYS GARNET / VIRGINIA SWEETSPIRE ; i 14~1~L~ , I a 1 SJ J P j ~ ~ ~ ~IIIIII II I~ \ 1~CST ~ , JHDP ' JUNIPERUS H[IRIZ[iNTALiS PLUMUSA / ANIi[IRRA JUNIPER 19' HT. 8 SPD. C®NT. j FULL ~ / # 5 RI ~ i / 1 + ~ i _ i . _ _ ICST ` _ . i 4 PV + + ~ 11,1, \ / + 24LM'BM'20DIF \ \ ' HAWTHORNE 18' HT. 8 SPD. CONT. FULL ~ ~ " RI RAPHEflLEPSIS INDICA SPRINGTIME / SPRINGTIME INDIA ~ ~ 7 ICST + ~ + SOD ' I + \ + ,ao>es ' 4 JV8 ~ q liter' ~ CONT. FULL 3 ~ • ~ + + + + + + + / ~ ,<o + + ~ Hq HYDRANGEA QUERCIF[1LIA/OAK LEAF HYDRANGEA 30 HT. &SPD, ' 3 ICST . ~ + + + + + + + k - s' + S iRAfA ' 18' HT. &SPD. CENT. FULL ~ SJ PS SPIRAEA JAPONICA LITTLE PRINCESS / LITTLE PRINCES SP ~ , + + + + + B B CJ + I SOD STATE EMPL41r'EER G'~~ t91~0N , ~ t SJ ~ + + + , 80 LM 8K/50 DIF ~ 4 B AC ~ ~r ~ MC MYRICA CERIFERANAX MYRTLE i 36' HT. &SPD. ~ CIiNT, FULL ~ ~ ~ ~ 6S4O ~SF , 34 LM ~BM 6 9'CA GRASSES 8, 2 1 ~ * ~ ~ ~ ~ I FfE-290;50 _ . 3 RI 17 B' ~ 1 I PERENNIALS LA-4 MS ~ MISCANTHUS SINENSIS 'MORNING LIGHT'/ MORNING LIGHT MAIDENGRASS 3 GAL f Cf3NT, i FULL ~ ~ SITE AREA 2.50 ACRES1108,903 SF ~ 36 UJ BM ~ ~ ~ ~ \ ~ 7 B CS ~ ` 1 AB ~ ; ~ - - ' - 24 l:~i - -r- I i SICST ~ 24 LIJ 8M'/20 DIF ' ~ ; 6 Il AC ~ J \ ~ ~ ~ 4 fN / I DIF j NARCISSUS ICE FOLLIES /ICE FOLLIES DAFFODILL ~ T[IP THE BULBS I ~ 1D SPACING 5 1 ~ SRI 6 B CS / + ~ ~ 3 fN i FULL 5 ITY # 40 B JP S 1JB PLANTING HS ' ~ 1 GAL CONT. 8 ICST HEMEROCALLIS x STELLA D ©R0 / DAYLILY ~ ~ € I ls' sPACING 3 ICC + i IG ~ \ _ ~ } + 111gd ~ ~ ~ ' ~ i 1D IG \ • \ 5ICC \ \ 1 B'TD LM'8M' LiRI©PE MUSCARI 'BLUEM~UND'/BLUEM!]WND LIRII3PE j 1 GAL, C{INT, FULL _ \ _ 3 RV \ i . I i i l~ ~ I t/ ~ ~ ` } ~ 11 SJ'PS 3 B CA ; . ~I ~ I r~ Op \ c~ SA SESLERIA AUTUMNALIS/AUTUMN MIJDR GRASS 1 GAL. C{INT. FULL ~ i, ~ 4 .EVERGREEN TREE . ' ~ 5 B'CA ii ' jii,. • SEED _ to-4 PLANTING _ _ • ~ _ v sa a JP , , ; • - „ ~ ' ~G G p , \ ° \ 3 B'HV iii' 'i ~ j SOD \ V • A ; ~ ~ r - ~ ~ V \ i r BI~RET~NTiON PLA~1T LIST ~ ~ ~ ~ l uy; IJ/~ ~ 12 BCS ~ yj` ? ~ _ , v ~ ~ ~ 35 B JP T REMARKS ' - KEY PLANT NAME SIZE (MIN) ROO - i - \ / ;f \ \ ~i NtI1E: KEEP SPApNG OF PERENNUIS CON5IANI. ADJUST DECIDUOUS TREE ~ ~ / • SPACING OF BULBS AS NECESSIJiI'. LA-4 / / ~!~{p\~ 2.5" CAI. ''~~^JJyy ~ ii ~ r B'AC AMELANCHIER CANADENSIS / SHADBUSH Bdc9 MATCHED ~ ~ 12'-14' HGT, _ _ SPEq~IEN - ~ _ a % A~ 2 MC A \ ~ i~ 2b" CAL Ii4ATCHED / / ~ ~ A11~\\~ . ~ ' . ~ 91G ei iur ocoruuui ueorcc ccc w errs i rcr B'NS NYSSA SYLVATICA/ BLACK TUPELO RkR rnrnuai A11. ~ V ~ i' / ~ / ~ 75 R PV rwn ruwmv~ iHROUBH MULCH #`_vneiES, SEE - _ - - - - - _ _ _ _ - " - - _ _ - _ _ ~ '4 G~~ + ; • r-~ ,4 vsA ~nNr usr 2.5 CAL S~CiMEN FULL ~ \ ~ , 2 pps B TD TAXUDIUM DIST]CHUM /BALD CYPRESS I2'_I4' HGT B&B MATCHED / \ ~ ~~j 1 SPECIFlCATUDNS _ ~ ~ ) ~IJit I~1..: ~Oh/y SEED ~ B'MV MAGNULIA VIRGINICA /SWAMP MAGNGLIA 2_5" CAI. B&B SPECIMEN FULL / Sri ~1 ~ + ~ ~ ~ ~~1~hVld~/r 6 B'MV ~ !I ~ _ - I + o t_ i 6 ROTOiIIJ.ED NA1NE SDiI 12' 14 HGi. MATCHED AMENDED A5 I'EN ~ SHRUBS ~ ~ ~~9~ i9iAi~, r~~s = + + - SEED 1 BNS ~ ~n-a " SPECIMEN FULL ~ SEED ~ SPECIFlCAiIDN5 B'CS CORNUS SERICEA /RED OSIER DQGWOUD 24 SPRD CQN ~ RG'PED Si~Sfkl _ _ _ 'I \ SEE' ~ - ~ \ ~ ~ i ~ Gli 9 B CS ~ . f..,~ ~ SEm r~ ~ i~ ~ ~ ~ ~i , I! 1 ,a.._ ' i~ Gl ~ ~ ~ 1 8 NS ~ 30'" SPRD SPECIMEN FULL \ B'CA CLETHRA ANIFDUA /SWEET PEPPER BUSH CON ~ / 30 HGT MATCHED \ PIANi BULBS AT DEi'I}I B'HV HAMAMELIS VIRGINIA /WITCH HAZEL 36"-48" HGT, CON SPECIMEN FULL ( \ REGDMMr3rDFD Bt NURSER'! ~ ~ ~ ~ \ \ \ ~ ~ PERENNIALS LA-4 J _ ~ ~ ~~r ~ ~ ~ - 10 (iV SEED '~ir~ qM~~ ~ PANICUM VIRGATUM 'SHENANDOAH' / SPECIMEN FULL \ B'PV 4" POT CON MAT~IED \ \ 5 INN I ~ ~ / ~ RED SWITCH GRASS j ~ ~ \ 9 ~ ~ 10 JVB ~ T.... H PERENNIAL PLANTING B'JP .lUNCUS PENNSYLVANICA 4" POT CQN SPF~EN FULL \ SEED ~ ~ UNDERPLANTED WITH BULBS RUSH MATC ~ ~ ~ \ s \ ~ ~ - - tO LA-~} N T.S. PlontPereimialAnt~ulbdwg ~ \ / ~ \ sEED ~ SEED / ~ ~ , ~ TREE SHALL HAVE SAME RElAT10N TO GRADE AS ff HAD IN NURSERY ~ x ~ NEVER CUT LEADER RUBBER HOSES 2 3 UP TREE GUY a / U~ WIRES W/ TURNBUCKLES 2 PER ' RUBBER HOSES TREE STAKES- 2 PER TREE b GUY WIRES W TURNBUCKLES 3 3 MULCH / ~ PER TREE 0 ~ ~ CUT AND REMOVE BURLAP FROM 4 3' MULCH TOP 1 /3 OF ROOTBAII 0 ~ ~ ROTOTILLED NATNE SOIL AMENDED SAUCER ARDUND PfT ° p0 SET ROOT>3ALL AS PER SPECS 1/2-1/3 ABOVE k ROTOTILLED NATNE SOIL AMENDED • PROPOSED GRADE PLANT PERENNIAL THROUGH VARIES SEE PLAN/ PLANTLIST ~ SAUCER AROUND PR DELETE Wf AS PER SPECS ACCORDING TO MULCH ~ i iRRIGATTON SCARIFY SUBSOIL SAUCER AROUND PIT SPECIES AND 1 ~ \ 3 MULCH DRAINAGE CONDmONS, • Q. WTM IRRIGATION CUT AND REMOVE TOP 1/3 OF a (DELETE NSULT LANDSCAPE- 2 MULCH PER CA WIRE BASKET AND BURLAP ~ ~ SPECIFICATIONS ' ARCHITECT ROTDTILLED NATNE 6' ROTOIILLED NATNE SOIL TOPSOIL AMENDED AS PER SPECIFlCATIDNS 3 MULCH Z ' AMENDED AS PER ~ RIPPED SUBSOIL SPECIFlCATIONS FINISHED GRADE ~ ~ ~ i CUT AND REMOVE ~ i _ FOR FUT~TiOM TREE ROOTBALLS, I , ~ ~ - BURLAP FROM TOP 1 3 - ~ ~C / ~ z RIPPED SUBSOIL , ~ I ~ ~ ~r- _ ~ ~ EsrAL ~ I ~ ~ _ ~ of RooTeAll ~ ~ ~ ~ RESt ON UNDSTURBED PED - ~ ~ ! A~~, TI ~ ~ ~ 1 l ~ ,4 . ( ao ~ / 1 - , ,i,~; ~ UNDISTURBED SOIL ~ ~ I Ih `T-~ii~f 1 it - - ~~1~~, I ~~l..il, ~ n~ i~~' I ~ ~ - RIPPED SUBSOIL SET BALL 1/4-1/3 ABOVE ~i / I ~ ~ MULCH EDGE PROPOSED GRADE W RESPECT TO ' I ti I ~ N.T.S. L-DT45-Plant~lulchEd e-Isb.dw 9 9 / ~ - ~tAINAGE CONDITIONS. REST BALL Sl~'PORi RODTBAl1 W/ _ ~ ~ t - UNDISTURBED SOIL DATE ON UNDISTURBED SUBSOIL COMPACTED EARTH I _ I t 4-6-05 ll I h- I ; SCALE 1"=20' ~~-If~" I I I I ii ~ II DESIGNED BY Jws D SHRUB PLANTING RAISE RENNIAL PLANTING DRAWN BY PE G 2 JP/CP EVERGREEN TREE PL NTING 3 EE P!~?NTING 4 TR 5 L- T4 -f' n R isedShrub-1sb.dw LA-4 N.T.S. L-DT44-Plant_.Perennial-Isb.dw CHECKED BY D 3 bLa g 9 L-DT41-PfanL_Tree-Isb.dw ~-4 N.T.S. L-DT42-PIan~EvergreenTree-Isb.dwg L4-4 N.T.S. L-[ UI-4 N.T.S. 9 JWS JOB 2003-034 2d ~ ~ ~ 20 40 g Q i SHEET i f l~F ] SHEETS I 1 REVIS[GNS BY BY °e•0a ° ~ . 5 / / 1~ ~ 288 8 / 1 ~ ~ ~ C(1NDITIONAL USE ° 9.43 288. °•°°•a IEN~ AT T S A SOCATES, P.A. ' B BR ~ ~ ) ° e° 1 \ ° 289. 4 ¢ / I I 1 ~ PERMIT °aa ° 11 1 1 ~ \ 1 • / ~ ~ 1 ~ 5/LI/OS DVO REJ REJ ~ ~ ~ =284.x. ti 9 ~ - .aD I 1B -283 ~ / ~ ~ ~ ~ _ _ COMMENTS 1 1 / - / / ~ I - / 1 ~ ~ 28 / ~ ! / / ~ ~ ~ / / ! ~ / , O 5 ~ OJ ~ / ~ ~ ~ / ~ ~ ~ ~ ~ ~ ~ LA-8 N 10 ~ ~ ~ / I T+N 287.25 ~ ! ~[)IT l)N ~ / ~ ~ BW 2s¢ ~ / / ~ ~ / ~ ~ ~ 1 \ I ~ ~ / 1 ~ ~ 50 J J - ~ N J -8 ~ ~ ~ S~108,903 SF ~ / I / / y ~ / / I ~ / + o ~ I ~ ~ ~ ~ ~ ~ / ~ o~ o cu o M 0 0 W AND ~ I ~ RETAINING ~ cb , + , ~ INS ~ ° BIORETENTION AREA SPECIFICAT 0 r 2so.5o ~ ON I I un GUARDRAIL BY ERS ~ 280.50 ~ U-) Q\ t\ / / + ~ / _ I I I / _ I / I THE BIORETENTION FACILITY SHALL NOT BE CONSTRUCTED ~ / / ~ ' ~ ~ / / / ~ UNTIL ALL CONTRIBUTING DRAINAGE AREA HAS BEEN o~ a~ _ / / / / r ~ - - - - , _ STABILIZED Q` ~ OIl ON ~ - / ~ i l ~ ~ / i / IFI ATIONS ~ s , / 1. MATERIAL SPEC C £ m S i~ / / ~l ~ TW=288.00 ~ / 1 ~ ~ / ~ / / / / ~ I ~ d 'o, , / / ~ (SEE TABLE BELOW) ~ ~ S ~ ' ~ ~ X90.25 ec=2so.5o / / - I 11 i 1 Q Q LA-8 r / _ ~ I * • v ~ l/I Q / MATERIAL SPECIFICATIONS SIZE NOTES / I r 290.25 / ~ ~ / ~ I /r ~ ~ ~ , ~ / ~ / ( , ~ TW 291.00 / ~ ~ / / r TW 291.00 I / I PLANTINGS SEE PLANTING PLAN N A PLANTINGS ARE SITE-SPECIFIC 0 ~ O / I / / I / ~ 29~Q. ~ , - / I t r , B4~289.2 av~2s9.2 / ' ~ ~ 1 ' / / I PLANTING SOIL SAND 35-607 N/A i' ~ S a Q~ rr / l I r r / I ~ 4' DEEP SILT 30-557 ~ ~ / / ~ I 10-257 ~ Q~ F- 0.25 TW=290.00 J , / / ~ I r i BG-280.5 r 1 CLAY / ^ I MINIMUM ~ r ~ ~ r r ~ ~ / 2 1 ~ / / ~ 1 MULCH SHREDDED HARDWOOD, N/A AGED 6 MONTHS, / i 1 SHREDDED WOOD CHIPS, (DO NOT USE PINE BARK ~ / / / r ~ i ~ ~ / / / / / OR OTHER SIMILAR NUGGETS) 280.50 ~ ~ ~ / MATERIAL i r / 280.50 / ~ ~ / r r / + ~ r TW 291.00 + - / / 1 AS NECESSARY i' / / ~ r BW 290.7 1 1 - / / ~ GEOTEXTILf CLASS "C" -APPARENT N/A FOR USE U / I AROUND JACKETED / ~ OPENING SIZE ~ ~ / ~ 1' PROPOSED CONTOURS i r ~ ASTM-4751), GRAB UNDERDRAINS ONLY (GEOTEX i ; / { - / / ARI TY r SHOWN FOR CL / ~ ~ ~ / / 3 r/ ~ / TENSILE STRENGTH 801 OR APPROVED m~ i ~ EQUIVALENT-NONWOVEN i ~ ~ / ~ LA- r / (ASTM-D-4632), GEOTEXTILE) LJ ' Y _ ~ PUNCTURE RESISTANCE ~ y i ~ ~l r ~ {ASTM-4833) 0) d ~ C5 Q" r ~ - C~} 1 r TW 291.00 . _ , 6~ \ ~,~q . UNDERDRAIN F 758, TYPE PS 28 OR 6" RIGID 3/8" PERF. ~ 6" ON CENTER, - CL CD TW=288.50 - 961 ° 3~ ~ ~ rr BW 289.00 BG=288.00 3~ ' Ak ~ EXISTING 18" RCP r ~ ~ ~ / 40 P R ROW. i i ~ b~' ~ PIPING AASHTO M-278 SCHEDULE 4 HOLES E i Q~ ~ 6~0 / Q PVC OR SOR35 d ~(U Q1 I~ \ ~ •o~ ~ O r \ 6ti / 5 / Q? _ Or ~ ~ \ / 5 / ~ INV= 274.2 ~ ~ UNDERDRAIN AASHTO-M 43 OR 0.25' TO 0.75 7 STONE ~ ~ ~ GRAVEL ~5 0 o i J M d ~ ~ / i ; (U F- 0 CD L O-j F- O \ , - \ \ - / ° L S d U, x XS d p UU \ \ j MAY n, ~ ° i 1 3 2005 i w dS L c5 17 - ~ r \ \ r r S+, N+' DENR • WATER QUA U ° Ut i Q) O U) \ ~ \ , ~ ~ EXISTING CONCRETE ~ WETf:4,~,,`:~Nf~STG!?,~tiATELITY i ; N 0 R BRANCH Q ~ Z N O ,r W. \ \ , ~ \ m EL cy- Z '8 28 ~ P ,A. w • o i' b2 ~ / ' /'J INV ~~~2.9~ ~ i ~ ~ i ~ a a bye ~ ~ I N ~ Z S Q 4 = U U 1~ s / ~ / / ' ~ W ~ t ~ Q~. j U ~ 2 . ~ rb ~,p~,~ 4 O ' LEGEND ST~R1V~ i i ; , ~"8, I LA-8 ~ I, 0 I i .7'50" S 165 PROPERTY BOUNDRY A`~N TT~b rrrrr-_-~ z2s.oo' ~_8 1" = 20' EXISTING CONTOUR 5' MIN. P ANTING SOIL SPECIFICATIONS 3. COMPACTION OF THE PLANTING SOIL ~P.•••••"^••.,• ~ 2. L PL •~6% 46 ROPOSED CONTOUR - TOP OF GRATE AND P TOP OF BERM ELEV. 283.0 FRAME (STD 840.16) THE PLANTING SOIL SHALL BE A UNIFORM MIX, FREE OF CONTRACTOR SHALL MINIMIZE THE COMPACTION OF BOTH THE = O ~0~ ~v~t -m-m-m- EXISTING STORM DRAINAGE STONES, STUMPS, ROOTS OR OTHER SIMILAR OBJECTS LARGER BASE OF THE BIORETENTION AREA AND THE REQUIRED ' J ~ ~i; U IN H S. NO OTHER MATERIALS OR SUBSTANCES SHALL BACKFILL. WHEN POSSIBLE, CONTRACTOR SHALL USE * Q Q THAR 2 C E ~U; t - IORETENTION AREA THAT EXCAVATION HOES TO REMOVE THE ORIGINAL SOIL. IF THE - ANTI SEEP _ ~ ~ BE MIXED OR DUMPED WITHIN THE B STORM DRAINAGE ~,P~' - PROVE A HINDRANCE BIORETENTION AREA IS EXCAVATED USING A LOADER, THE P~' - COLLAR Mqk MAY BE HARMFUL TO PLANT GROWTH, OR R SHALL USE WIDE TRACK OR MARSH TRACK - - TO THE PLANTING OR MAINTENANCE OPERATIONS. THE PLANTING CONTRACTO T WITH 1URF TYPE TIRES. ~ ~ ~ ~ ~ CATCH BASIN - DROP INLET CREST ELEV. = 281.50 - ~ - - SOIL SHALL BE FREE OF BERMUDA GRASS, JOHNSON GRASS, EQUIPMENT, OR LIGHT EQUIPMEN A i FLARED END SECTION - QUACK GRASS, MUGWORT, NUTSEDGE, POISON IVY, CANADIEN OVER COMPACTION AT THE BASE OF THE BIORETENTION ARE . ~ , THISTLE OR OTHERS AS SPECIFIED. CAN BE ALLEVIATED BY USING A PRIMARY TILLING OPERATION SUCH AS A CHISEL PLOW, RIPPER, OR SUBSOILER. THESE THE PLANTING SOIL SHALL BE TESTED AND MEET THE TILLING OPERATIONS ARE TO REFRACTURE THE SOIL PROFILE ~ I BASIN INVERT ELEV. = 280.50 FOLLOWING CRITERIA: THROUGH THE 12 INCH COMPACTION ZONE. SUBSTITUTE .a RETAINING wALL AND METHODS MUST BE APPROVED BY THE ENGINEER. ROTOTILLERS pH RANGE 5.5 to 6.5 j III GUARDRAIL BY OTHERS 18" RCP ORGANIC MATTER 1,5 to 3.07 (BY WEIGHT) DO NOT TILL DEEP ENOUGH TO REDUCE THE EFFECTS OF ~ i i PLANT SPECIES (SEE 16 LF 00.6% 4 MAGNESIUM - Mg 35 Ibs/acre COMPACTION FROM HEAVY EQUIPMENT. ).67 (--f PHOSPHORUS -PHOSPHATE (P 2 Og) 100 Ibs/ocre PUMP ANY PONDED WATER BEFORE PREPARING PLANTING PLAN) TOP OF CURB 6" UNDERDRAIN INVERT ELEV. = 278.60 POTASSIUM -POTASH K 0 85 Ibs/acre { 2 ) ROTOTILLING) BASE. SOLUBLE SALTS not to exceed 500 ppm ( a THE FOLLOWING TEST FREQUENCIES SHALL APPLY TO WHEN BACKFILLING THE TOPSOIL OVER EXISTING EARTH, FIRST 1 PLACE 3 TO 4 INCHES OF TOPSOIL OVER THE EARTH, THEN 1 ko INVERT = 278,60 THE ABOVE SOIL CONSTITUENTS f~ o 1 NCDOT STD. 838.80 1 - WINGED ENDWALL ROTOTILL THE EARTH/TOPSOIL TO CREATE A GRADATION ZONE. O U o o > O EL. 281.50 FT. - 1 V RT = 278.50 1. pH, ORGANIC MATTER: 1 TEST PER 90 CUBIC YARDS BUT BACKFILL THE REMAINDER OF THE TOPSOIL TO FINAL GRADE. ~ H W z - IN E Iz - I. c~ _ - NOT LESS THAN 1 TEST PER BID-RETENTION AREA WHEN BACKFILLING THE BIORETENTION AREA, PLACE SOIL IN _ ~ a •o :~o ? EL. 280.75 - MULCH LAYER N o - MAX. PONDED Z _ - - NOT SHOwN WATER DEPTH LIFTS OF 12 INCHES TO 18 INCHES. DO NOT USE HEAVY Z ~ ] ~ ~ - RIPRAP 2. MAGNESIUM, PHOSPHORUS, POTASSIUM, AND SOLUBLE I YARDS BUT NOT LESS THAN EQUIPMENT WITHIN THE BIORETENTION AREA. HEAVY v1 ~ t` ~dCQ " " _III_III-III ~ 2 -3 MULCH EL. 280.50 = _ - FOR CLARITY (12") I I-III-III=~ . - APRON SALTS: 1 TEST PER 500 CUB C P Y x Z ~ ~ 1 ;BEST PER BORROW SOURCE EQUIPMENT CAN BE USED AROUND THE PERIMETER TO SUP L ~ G. ;a J = _ _ _ _ _ - _ = EL 261.50 FT. _ I I=1 I I-I I i-~ I I PLANTING SOIL. GRADE BIORETENTION MATERIALS 1MTH LIGHT 0 ~ aW P R 90 EQUIPMENT SUCH AS A COMPACT LOADER OR A W N KEY 3. ONE GRAIN SIZE ANALYSIS SHALL BE PERFORMED E WW a. ~ ~1 N ~ III=11 ~=111=~ 11=111 - - - - EL 280.50 - - KEY - - - - - 1=I I I=111=111=~ _ - _ R H TRACKS, ~ Z ~ TRENCH CUBIC YARDS OF PLANTING SOIL BUT NOT LESS THAN 1 TEST DOZER/LOADER WITH MA S r, duo ~=111=1 l I=1 I I=111=! - - - - _ _ =1 I ~ TRENCI - - - - - - I-III-II 111- - - I I _I I I-III-III- - I-~ . I-. I- PER BIORETENTION AREA. W 4. MULCH LAYER GUIDELINES a a °o °o d ko O I I I=1 ~ ~=1 ~ ~=111=111 I ~ I- I -I I ~ - - - - - PLANTING SO L I-- PROPOSED - -III Z II=111=111=111=111=1 - H SHALL BE WELL-AGED AND UNIFORM IN COLOR. xj O \F ~r ~ MULC a oo °o Q - - - - 11 GRADE - III_I _ a 1=III=111=111=III A RIC SEE - • O . _ EL. 278.60 (2.1 MAX.) GEOTEXTILE F B ( - WELL-AGED MULCH IS DEFINED AS MULCH THAT HAS BEEN C~ ~ a x I T R D FOR AT LEAST 6 MONTHS. MULCH C~ ~ ~ aE~~ -111 - a in 11=~ (1=111=111=1 I 1=1 MATERIAL SPECIFICATIONS) 1= II 4 ~ STOCKPILED OR S O E R ANY W H O O SHOULD BE FREE OF WEED SEEDS, SOIL, ROOTS, 0 Z ~ ~ aao to .dw - _I III=III-III=III=III _ ~-s I- ~_8 , ~ ~ NTS _ - OTHER SUBSTANCE NOT CONSISTING OF EITHER BOLE OR ~ W ~ y r , /1 - " :III 11=111=~ I I=1 I I=111=1 6 PERFORATED PIPE - _ - - - - - - - - - -1 _ BRANCH WOOD AND BARK. THE MULCH SHALL BE UNIFORMLY z W O ~ APPLIED APPROXIMATELY 2 TO 3 INCHES IN DEPTH. GRASS W a ~ w 7 CO 0 arxa ~ I-=----- IN 12' SQUARE ;~57 STONE JACK=) = 1=1 I-~ I I-1 I I-III-III III- 12" SQUARE GRAVEL JACKETS II II CLIPPINGS ARE UNSUITABLE FOR MULCH AND SHOULD BE w (TYPICAL OF ALL 4 DRAINS.) 6"DIA. SCHEDULE 40 PVC ~ Y 6" PERFORATED PVC EL. 278.6 AVOIDED FOR USE WITHIN THE BID-RETENTION AREA. ~ a VARIES (REFER TO PLAN VIEW) PERFORATED wITH 3/8"0 c~ ~ HOLES ®6" ON-CENTER IN ca~u wTCs - - #57 STONE JACKETS. STONE o - - m ~w N ET FRAME AND GRATE o ~icoa"~`r~Tmro'-C0SLN0wuTMa'TrarvAY•m"e~" OUTLET STRUCTURE NOTES: ZZ IL „ ~ O~ OO~fL2 AT IY CpTFA, AS DDi[C1U CM.~ffR J = TO BE WRAPPED IN 4Y ~Y NCDDT STD 840,16 T~ wIr m K w~ ~a TK ~T~ ~ T~ ~T,a ~A~. ~ _ n ~roiae caNaicn rva n ttT a wu sw or emi• ADO To 1, 1 B" RCP OUTLET BARREL SHALL BE CLASS III RCP, MODIFIED BELL AND SPIGOT, MEETING 3' 6' utt AS amx a STANDARD No01, ,a„Rt,~ ~Q ci M ~vr Au Dao. ours ovER rs• a evM TD K rRDaxD wTR sT[1S •.y REQUIREMENTS OF ASTM C76-LATEST. THE PIPE JOINTS SHALL BE CONFINED 0 RING RUBBER GASKE - 11=I I I=111=111-111-I NON-WOVEN GEOTEXTILE c o - - - - GEOTEXTILE FABRIC (SEE w $ • Yxls rnecAeY enowu? wY w u~o Ion na roLLalna .,o: ~ =11= I=111=111 FILTER FABRIC APPROPRIATE ~~.°n9y o e^ 11 I MATERIAL SPECIFICATIONS) - °I""""'a' p''~'''~'~' ~'NN1D~'„' oo$~t° oo$'"t= ~ H ~il~ F ~ r co~T~RS. sYT[vs s""""D, AaanARU =T"~" JOINTS MEETING AS1M C-443-LATEST AND JOINTS OF AS1M C-361-LATEST. THE PIPE JOINTS SHALL BE c~ - - - - - FOR SITE SOIL CONDITIONS .m,~1~a IMBYALL rnswY nor?u tlYx Ianr rllo MY w Z I I=~ ~ ~=1 I ~=1 I I=1 I I=~ ao m - Iql In„ MI711,~I,=G„~» ~~n - - - - - SPECIFIED BY ON-SITE x,~~ - o• z usE woo n2 canal[n. < ~roM.». w II H ~ ~ TYPE R-4.PROWIDED. F- TB~C 1 0 ~ PROYIO[ ALL R[[n10nCIM RILL ¦Qpl MIYI AITr N7~ FS Y Z ~ ~ ~ ~ ~ ~ ~ SECTI N GEOTECHNICAL ENGINEER. x o,, ~,naae,~ rwue ealronlal~ y~~,~. r ~ E E • y~ ~ B ~ ~ • IA SPECIFICATIONS: ~ ~ x OUTLET STRUCTURE MATER L J Q -III-III-III-III-I AIl~T T!1 CPAIC /r.ir.~n?i nr ~~i A r1DAlAIC ?GIN ~i MnA9TY 1ASV0YNYYIM.OL{MN~. o~W' a Tn ~ o ~ i ~ _ __.,_..~x z~~~ ~c~ i~o nnv~ iiAUrcc nTUCRwicF AICtTF~ [ ' J I I-III- ~ i i ~ vvi iv avnu ~ITt'II,HL VT rill Y L/RCU IVJ. I7~D~ ~ I d - - - o PLAC! LIR NoI[t DR PIIM IN AOOOR61NC1 YITN Z IM Z•'}~ ^ ~ iu ~ 1. ALL NUUKtU GVNGKGIt JhHLL tlC MINIMVM ~wv r~i ~c~ vni~ ~ I-III N2 i ~ aIANGAO +BM.Ta. III-111_111 II _ ~ ~ I ~ _ - Np C11RCP I i PIPE ro X OROOTlD INTO IIGOIYiII AT J4 UTE 1T 1T! DY O N O ~ O 2. GEOTEXTILE FABRIC FOR THE 18 INCH OUTLET BARREL JOINTS SHALL BE AMOCO STYLE 4553 00 -III-III-III-III-I 2 ^ N1~~ MIS. I~ " CpITAAC1p1 -_=1 11 I Au eLeKxre PRlWT ro YIET dnY D1,1. -III-III-III MELDED 17RE FABRIC YAY BI MIMRIIIIIED F011 REBM RNM I H POLYPROPYLENE NON-WOVEN NEEDLE PUNCHED OR APPROVED EQUAL (NON-WOVEN FABRIC) Z III ~ ~ - I AB LONG A8 THE BAYE AREA OF (TILL 11 PROVIDED. i I -III-III-III-III- EL. 276.50 - - - - - - - - 0')~~- • DNpFER ALL DDRNeRt 011 IMVI A RADIUI A IDED. r-+ yr r-4 v2• F PLAN DF FRAME Ia-3/8 'DIA NEEDED S ~ ~ ~ e" o.D. TYP. 8" O.C.IIYP.) 6" REFER T~ CNA~T ra sre• r-I 5R' CAST IRON r ANCNDRS a• LDRL 3. PONDING DRAWDOWN IS VIA A 6" PVC UNDERDRAIN. r~ 1 DEPRESSION ArxNORS PIarDAt« e•> pLAN • 1"'~ Y~. PROFILE REFER TO LywRT FOR aw 112E ~ ~ m FOR BAP SIZE NOTE: 1NE YINIIRII 1AR 112E MNLl. 1E 46 6AR/ ~ ~ a 1'-I S?8' PLAN D sMm+INC PaslrmN ff can r F GRATING V[TM CRATE 6 fRANE REMOVE BERM SOIL AND COMPACTION SPECIFICATIONS: ~ nID« LL , PLAN D ST0. 810.16 FRAME ~o N T TO SCALE 70 ~ N SIDE AT 1" eT1.TNE coNrRACron'IILL NAYS TN[ OPTIaN LL 0 m ~ ELEVATIO_ ro INCII&BE Tx2a a~A u2E w $ -J d ~ CAST 1RUJ 1-0' ~ a"h r r-p r 1. ALL FILL SOILS FOR BERM SECTION SHALL BE CLEAN, IMPERMEABLE MATERIAL AND COMPACTED TO AT s c ' 3• r AT OPTIMUM MOISTURE CONTENT, NO BLASTED M"'1 con €+n~ _ ~ , m N ? ~ ~ a LEAST 98% STANDARD PROCTOR MAXIMUM DRY DENSITY, ~ ~a«+!. MATERIALS SHALL BE USED IN THE EMBANKMENT CONSTRUCTION. SOILS SHALL NOT EXHIBIT SIGNIFICANT L - w ENDWALL DIMENSIONS ~ d YINIMUY YIN.IYA%. YIN.IYAX. YIN, IYAX. Y[N.IYAX. I YIN.IMAR. I I a >..m n ~ ^ d RINK SWELL OR DISPERSIVE CHARACTERISTICS. n SH / ~ =U O PIPE DIA. BAR 8I2E N1 (FT.1 ' N21FT.) D (FT.) -_!i'1_.. 1_ n ~ ~ NTS 9zy _ - gx:: ~ w r I/B' V~' 6• A 6• 6 ' 6• 3+9' mA ! B• la Y11~ ~ xt ~ ~ ~ "'a"' ~ PffiGYDA:" ITUO ANCI[I!S 2. IN ALL FILL AREAS OF THE BERM, A SOILS COMPACTION TEST SHALL 9E CONDUCTED EACH 2500 SQUARE ~-8 ~ ~ ~ ~ 1.0 15 / B" +.26!2.00 2.0013.76 +.261+.76 9.0019.76 e.eole.oo o t~ ~ p ~ ~ I o ~ I _ 1.25 ;YS _4 B" +.2612.00.9.00(3.76 1.2812.OD 3.6019.76 6.6D16.76 x F or~¢ SECTION G-G r 1' r t• _au~aR = F T PER VERTICAL FOOT OF FILL. FILL SHALL BE PLACED IN LIFTS NOT TO EXCEED 8 INCHES LOOSE J - - _ 1.50 ~7L5 1 a" 1.2612.00 3.0014.26 1.60/260 3.601376 8.60!6.76 W O ~ Nm~ -r " ~ I~: ~ THICKNESS. ~r/~~ 2.0 A6 1 8" 1.5012.50 110014.75 1.751250 4.0014.25 7.SO/B~2S m m Z 0 _ 2.5 ~ M5 P B" 2.5013.50 ' 4.00!6.00 2.0013.00 4.50!5.50 10.00!11.5D M ~ J x a - ie• I~' ve• ue' I~ ~ T V1 1- ' 2' 3 I ,s ~ lxERT . «1 DAR M J arr v yr air o s..,: Pr 3. A KEY TRENCH IS TO BE PROVIDED IN ALL FILL AREAS. TRENCH TO EXTEND A MINIMUM OF FIVE FEE p O I 3.0 ~ a5 1 B" 9.0013.6D 6.D016.00 2.7613.60 8.26/6.76 1+.60111 36 tJ~ ~ iZ7 CONCRETE DROP INLET W/ _ T ~ ~ T e ~ 3.6 15 / B" 3.26!4.60 8.00/6J6 3.26/9.60 8.00(6.76 12.00113.26 y ~ y ~ y ~ - - 10"01 a< = BELOW EXISTING GRADE. SOILS AND COMPACTION FOR KEY TRENCH SHALL MEET ALL REQUIREMENT OF #1 ~ tt ~1 W m ~ sEE NOTE v 1 FRAME & GRATE. INLE . a 9 - T STD. 840.14. TOP OF GRATE AND FRAME (STD 840.16) EL 281.50 H r- > 4.D 1s • e" a.6o14.6o e.eol7.o0 9.2ala.eD e.6o1e.76 +a.ool+as5 ~ g PER NCDO ECTION X-X 001~L Q7P`I" SECTION Y-Y "T ABOVE. t!1 w ~ S ~ g 2 UB' 2 V9' 1 AND QUANTITIES Fa! INLET 6• I••~' ~o FRAME PER NCDOT STD. ~ ~ PLAN 4.6 1a a s" 4,ools.oo 6.w11.60 3.2514.00 7.DDra.2s +3.SOns,7s a 3'-I 3/4' N N Z•_I gay iu iu D1IENSIDNS DF Bmt 6 P[PE DEDUCTIO!IS FOt 4. NO TREES OF ANY TYPE MAY BE LOCATED ON THE BERM SECTION. - PIPE SPAN VIDTN T CQIC~ M ~ :37" OfE PIPE 840.16. ~ 6.0 15 6 B" 1.5015.00 7.0016.50 9,26/4.00 7.25/1.25 13.76/+S.7S MULCH LAYER _ _ 5.5 15 6 4.50!5.00 7.50!6.50 9.2614.00 7.2611.25 74.00/+6.75 Imo' 2' _ D A e N Ft. N/ ~i w ~ R~ DOWEL HA NOT EXCEED A MAXIMUM 8" LIFT. EACH LIFT SHALL BE CONTINUOUS FOR THE 0 a' 6' P-6• sw 5. FILL PLACEMENTS LL a.~ B.0 a5 B 1" 4.6016.00 7.6D/6.6D 9.26/4.00 7.76/1.26 +4.76/+1.76 " EL. 280.50 aleer ,1-oF le• ~-o• r-o• r-6• azzz ozzz a~o3 ona~ o.w9 NGTH OF EMBANKMENT. BEFORE PLACEMENT OF FILL FOR THE BERM SECTION, ALL UNSUITABLE Neer ~ I ENTIRE LE - - - - - - - - - - PANTING SOIL LAYER NEET 1 OF 1 - _ _I I I-III-III L ~ - - - - III III 838.80 SECTION H-H SECTION E-E SECTION F-F CONCRETE DROP INLET NCDDT STD 840,14 MATERIAL SHALL BE REMOVED AND THE SURFACE PROPERLY PREPARED FOR FILL PLACEMENT. ~ n ~ B.~Q -III-III-III-III-III ' _ - - - - - - - - - ~^~lll III III Ill III III G SEEDBED PREPARATION FOR STABILIZATION OF DOWNSTREAM SLOPES U t , U I=11 I=11 I=1 I I=1 I I ~ ~ ~ I I=1 I I=1 I I=1 I I=1 I I=1 I I=~ I F ~ ~"'1 I I=1 I I=1 I I-III-III . , ~ - - - - - ~ I I I=1 I I=1 I I=1 I I=1 I I=1 11- s 11-III-III- 1 I I-III-III-III-III-I I I- ~ 1.) CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES DEEP OVER ADVERSE SOIL CONDITIONS, NTS AVAILABLE. ~'J ~_8 U -I = _ =111 . ~ III=111=111=111=III=111= NTS II III III - - u~-8 2.} RIP THE ENTIRE AREA TO 6 INCHES DEPTH. v I 18 RCP - - - - -I I-III-III a I - 3. REMOVE ALL LOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS LEAVING SURFACE REASONABLY SMOOTH } AND UNIFORM. Q =1 I=111. 6" PVC UNDERDRAIN --I ~--t2" 4.) APPLY AGRICULTURAL LIME, FERTILIZER, AND SUPERPHOSPHATE UNIFORMLY AND MIX WITH SOIL (SEE O ~ I i I AND JUNCTION TIE EL. 278.60 NCDDT STD. 838.80 ASS "B" RIP-RAP LOW' . ~ ~ ~ -III-III. a ~ • d, - I : , • ~ : ~ . a I I I_I I I-III-III-I I I_I I I_ WINGED ENOWALL NCDDT CL BE ) - DBED IS PREPARED 4 ~ 9'Lx11'Wx22"THICK 5.) CONTINUE TILLAGE UNTIL A WELL PULVERIZED, FIRM REASONABLY UNIFORM SEE .j..~ - d - _ _ _ _ - -III-III-111_111-111- AVG. DIA. = 6" TO 6 INCHES DEEP. r 18" 0-RING RCP 6.) SEED ON A FRESHLY PREPARED SEEDBED AND COVER I -III- _ _ ? . • _ _ _ _ _ _ _ _ - - -I -I =1 I I=1 I I=1 I I=1 I I=1 I I--~ 11-III- II_III_III_III_III-III III _ _ _ _ , ~ a 7.) MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH. TH PLANTING ~ i i=ill ~ i=III-III=I ~ ~-1 1• ~ ill ~ I-11 ts' olA. N q A 8.) INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEEDINGS WITHIN E -RING RCP AMAGED REESTABLISH FOLLOWING ORIGINAL LIME, ~ u - SEASON, IF POSSIBLE. IF STAND SHOULD BE OVER 60% D ~ . o RTI I RAN ING RA EED LIGHTLY WITH SEEDING EQUIPMENT OR CULTIPACK AFTER SEEDING. 5 90 DEGREE BEND OBSERVATION WELL /CLEANOUT d FE LZE N MAINTENANCE TREATMENT AND FERTILIZATION AFTER PERMANENT 9.) CON T CONSERVATION INSP R 0 ~_8 NTS COVER ESTABLISHED. a seasonal application schedule SCREW TOP UD' 1.25 MIN. PROJECTION NOTE TO CONTRACTOR - 123 LF 6" ~ PVC'; T R P NDS USED AS SEDIMENT BASINS DURING CONSTRUCTION SHALL BE CLEANED OUT (I.E. fINISHEO GRADE RIPRAP STORMWA E 0 5' WIDE SEDIMENT, TRASH, ETC.) AND REVEGETATED (IF NECESSARY} PRIOR TO USE AS STORMWATER PONDS. PLANTING N y SOIL SHALL NOT BE ADDED TO THE BIORETENTION AREA UNTIL THE SITE HAS BEEN STABILIZED AND EROSION NCDDT STD. 838.80 9' CONTROL OFFICER HAS GRANTED APPROVAL. ~III~II~Ih,III ~ -~l~lll~ll: ' WINGED ENDWALL PANELLA TYPE CLEANOUT T-TYPE 123 LF 6 ~ PVC , • PLAN T T OF R PONSIBILITY d WITH COUNTERSUNK HEAD JOINTS i~ co a N iA A E RESPO~St6ltffY OF THE ~VJfJf`R, PER THE a iB' DIA. ALL REQUIRE NA AND PE SH L c a EXECUTED OPERATION AND MAINTENANCE AGREEMENT FOR THIS FACILITY. v 0-RING RCP • 18" 0-RING N N PIPE SEAL CASHET RCP e $ 123 LF 6" m PvC N O . _ _I ~ . ~ I~ ~ 22" LAYER OF DATE N ' a i l-l 1 1-1 I I-1 I I~ I ~~-1 I I-1 I I-1 I I_ - CLASS '2' RIP-RAP 4-6-OS )-~I~I-III-I~1 - "FILTER BLANKET 6-05 3 s" P.v.C. SOIL PIPE TIE INTO DROP INLET BOX I -1 11-1 I hI I I~ I IJ - SCALE , - - , - - - - ~ = 20' ui ~Ii,,,lll, III-III;~II~I 20 Y J NQTE$; Q "oTES: SECTION A-A DESIGNED BY REJ ~EJ w 1. CONCREI a I DAY STR 1. CONCRETE FOR COLLAR SHALL BE 3000 PSI (MIN.) 28 NOTE: FILTER BLANKET DAY STRENGTH. SEE NOTE) DRAWN BY m u7 ANKET IS TO BE INSTALLED ( FEW A FILTER BL EW 2. COLLA ~ "ABOVE DETAIL PROVIDED AS SCHEMATIC SCREW TOP P.V,C. WELL CAP ONLY co TIGHT J( 2. COLLAR SHALL BE CONNECTED TO 18" RGP WITH A WATER BETWEEN THE RIPRAP AND SOIL FOUNDATION. TIGHT JOINT. FI T R BLANKET 1MLL CONSIST OF A CHECKED BY THE L E DAC r >AC Q EACH OBSERVATION WELL/CLEANOUT SHALL INCLUDE THE FOLLO'MNG: J 3. COLLAR R AT CENTER OF BERM. MINIMUM 4" THICK LAYER OF STONE (NCDDT 3. COLLAR SHALL BE PLACED ALONG BAR EL 1. FOR AN UNDERGROUND FLUSH MOUNTED OBSERVATION WELL/CLEANOUT, PROVIDE A TUBE MADE OF NON-CORROSIVE MATERIAL, SCHEDULE 40 OR EQUAL. AT LEAST THREE FEET LONG 1MTH 57 UNDERLAIN WITH MIRAFI FILTER WEAVE DDB INIM M OF 2' # ) 2003-034 4. ANTI-SEEP COLLAR SHALL BE PLACED A M u 700 OR APPROVED EQUIVALENT 3-034 AN INSIDE DIAMETER OF AT LEAST 6 INCHES. 4. ANTI-SE FROM PIPE JOINTS. ~ P ASTIC COLLAR FROM PI 2. THE TUBE SHALL HAVE A FACTORY ATTACHED CAST IRON OR HIGH IMPACT L a W+TH RIBS TO PREVENT ROTATION WHEN REMOVING SCREW TOP LID. THE SCREW TOP LID SHALL rl BE CAST IRON OR HIGH IMPACT PLASTIC THAT WILL WITHSTAND ULTRAVIOLET RAYS. 9 4 n ~-8 a m NTS n NTS _ NTS T o ~ 8 ~'_8 LA-8 a I LA 8 " I ~ ) \ - ~;(3 hI' [ ~.A`EEI 1'(11 I f)\~ I I:I ('~I'EO\ DF---B- SHEE SHEET o ~ ~_8 NTS N Q U N .a a` X REVISIONS BY BY ``~v P 5 P Q / 5 i P i ~ ~ \P _ ~0 ~ ~ _ ~ ~ YI TOP 308.1 > ~ i~ Z INV.IN=301.9 ~ GR 6 ~ ~R i Q INV.OUT=301.8 0~ Q ~ G K G G• .S ° INVERT INFORMATION ( 0~ ~ ,7 c d ° OBTAINED FROM TOWN OF o ~O LOUISBURG ENGINEERING P~' v DRAWINGS 6 c~ 5 8~ ~ 1 0 0 4 S c U i o ~ o0 o ~ o M 0 0 SMH RIM=303.4 (BOLTED DOWN) S INV.IN=298.5 4 p 5 C 5 ~ 6 Q" .-I I u INV.OUT=298.4 ~ ~ L!'7 m r- ~ ~ n Q~ Q~ Oll ~ , o~ o~ Q~ all ~ ~ ~ S E ~ S F- m s ~ ~ d ~ L d S CS L ck:~ ~ ~ A~ Q / ~ A Q/ ~ a n U ~ 2 ea - 8 gate valve & box ~ p o O n, o p L a a a p S ' u n n ~ ~ - 1 8x8 tee with 8 plug a ~ S d Q/ 0~°' ~ o a, G ~ Q o ~ o ' J p~ ~ ,i! d d / v G ~ ? ~l / ~ m S ~P ~ e PO o ~ 0 ~ ~ ' d ~ p ~ ~ V\ / ~P 0 ~ \P 5Q 0 P / 0 •m F, a , ~ • W •y ~ ~ y 55 / ' P G ~ m dm L d Q~ R , G 5~ ~ \ / F~ ~ a. o ~ ~ O o , ~ SQ P SQ ~ ~ P ~ QJ ~ / OF . P~ e ~ G~ pF d ~cu NTS ~ ~ ~ ~oj 5 A ~ ~ G• / \ (add . ~ d _d C- 0~ , ~ R 52.00 P ~ ~ 52.53 ~ o ~ ~ I- 0 o L= O-j I-- o ~ , o , ~ L O o a / X S d U ~ UU XS d r--l UU V ' RI RIP RAP ~ ~ ~ d S dS o / , G ~ CONCRETE \ g9 , CONCRETE S • ~ 0) -F, o ~ SIDEWALK BY ~ u ors SIDEWALK BY _ Qj O OTHERS ' 9. OTHERS ~ _ o, o ~ Q ~~z ~0 v , 0' o / , , P ~A' way' Tipy W v ~ ~ d / , 1 H °z r a a ~ s 6~ ~ _ 1ti ~ 6 N WW L v~ W J ~ z 0 a ~ ~ ~ ~ ~ U ` ~ b p 4 4 V / g. , Q' % G •o~, ~y "~1SI~ ~ a~"8 0 G• - 6~ ~ ~ c~ g. , °ti G ~ ~ F 6 DIRECTIONAL IGN Op y R5.00 L IGN ~ p 6CA g LA-5 ~ y , 5 , ~ ~,,~~~HiTecr''' P ~ yQP \ o ~ ~ ~ ~ 00 R5.00 n ?2~ i~L~ . L J g• ' R5. 0 =304.9 , _Q:U r J - 0.1 / , . 6 O~ ~ J: .P ~'ti: 300.2 HANDICAP RAMP 5 0~ ~ I938 ~ 4 TYPE A LA-5 ~ ~g~ 0.00 , ' P / ~ J ~cA S ~ ~ RETE CURB R5.00 ~ ~ ~ ~ CONC 2 ,F k4' / ~ J ~ D ~ AND GUTTER 5~ g. y ~Og , ~ ~ ' ~S ~ S @ R5.00 J~ G ~ Q. ~ ~ 1 ea 8x6" tee ~ ~ ~ ~ 6 ~ 5 00 Se ~ 0 ~ 6 ~ Mpy ~ ~ ~ 1 ea B gate valve& box ZQ 05 ~ G ' ~ ~ s 1 ea h Brant ~ Y ~ENR. Wq 0 ~ / ~ ~ 00 / ~ ` ` ~ANp rER ~Al.l ~ - ~ g TY ~ ~ HANDICAP RAMP, 5 ~ ~!b , PLANT ACCESS >~RSr~y ~ TYPE A LA-5 ~ Q~. % o~ ~ / ~ g ~ / s ~ ~ R5. 0' ~ A 0 ~ REFLECTNE PLANT ~ MEET AND MATCH ` ER SPECIFICATIONS EX. CURB AND ~ ~ ~ ~ ~ 1'Sg' ~ GUTTER AT / 0 ~ NEAREST JOIN / 5 DICAP ~ ~ ~ ~ y ® / - EA a~° 5 ~ ti CQ• ~ i ~ PLANT ARROWS AND STOP ` ~ QP / ~ R5.00 ~ g~ BAR USING NCDOT WHITE ~ 6 /i ~ ti , 12 CONCRETE \ ° ~ '~o REFLECTNE PLANT, PER - WHEELSTOP TYP. Qj, HANDICAP 5 ~ ~ SPECIFlCATIONS ~ ~ 0 RAMP, TYPE A LA-5 ~ / / ~ ~ / / ~ \ ~ 7 HANDICAP SIGN \ o,°°,° 'Q~. Q~, ~ 1 ASPHALT PAVEMENT lA-5 TRANSmON ' -5 1 STANDARD \ cP oo. ° g. ~ ' 5 HANDICAP RAMP SECU POLE ` MEET AND MATCH SIGN, TYP EX, CURB AND , LA-5 TYPE B TYP. . GUTTER AT ~ R5 ~ °va,vo - R5. ' NEAREST JOINT E S' NOT 7 HANDICAP SIGNS °.os slDEwalx Br POINT OF 1, ALL DIMENSIONS TAKEN FROM FACE OF BUILDING LA-5 1 VAN ACCESS. DIRECTIONAL SIGN 6 ~ 1 ' BEGINNING OR FACE OF CURB UNLESS STATED OTHERWISE. TYPE B LA-5 + 1 STANDARD ' ~ ~ END OF ~ STATE EMPLOYEES CREDR UNK~I `•'0 2. HANDICAP PARKING SIGNS ARE R7-8A&D o, ~ ` SIDEWALK _ FOR ALL HC SPACES - ADD VAN_SIGN T~_~NE_____ ~ i~ i n CONCRETE 3 ~ 6543 ~ 5 5 DICAP RAMP ~ O~ SPACE PLACE SIGNS ON 2' X 2' GALV, STEEL POSTS ^ SIDEWALK TYP. LA-5 ~ ~ ~ LA-5 R5.00 5<TE AREA -2,50 ACRE.SI108,903 SF / , LA-5 E A ~ NF ti ASPHALT pp ~ 3, NEW TREE LINE TG BE MARKED AND . ~ ~ REVIEWED BY LANDSCAPE ARCHITECT PRIGR TO ~ 10 FRENCH DRNN ~ ~y' h 3 CONCRETE L.H. DIKENS JR. ~-5 3 CONCRETE PAVEMENi SIGN, TYP. ~ DEMOLIT~N OF EXISTING WOODS. -5 SIDEWALK -5 SIDEWALK TAY . 4, SURVEY BY THE JOHN R, McADAMS COMPANY, INC. DATED D.B. 672 PG 522. ~ s DIRECTIONAL SIGN ' ~ LA-5 TYPE D • 6 IRECTIONAL SIGN ~ ~ OCTOBER 3, 2002, ~ > \ PAINT "DO NOT I M ~ " •PAINT "DO NOT ENTER USING ~A \ 24 WHITE REFLE 9~ B FlXED BOLLARD \ \ PAINT ~ LA-5 E A ~ 5. ALL SITE IMPROVEMENTS ARE TO COMPLY WITH TOWN GF LDUISBURG • rl 24 WHITE REFLECTrVE / ~ T STANDARDS ~ ~ ~ GRDINANCE, . r~"I PER NCDO 5g 2 CONCRETE CURB ' MONITORING ~s ~ Lp_5 \ ~ PER NCDOT STAr \ ti~ ~ ~ ®°o / / O WELL ~ \ LA-5 AND GUTTER TYP. \ / 6~ 0 \ e 0 ' SITE DATAI ~ ~ CAST IN PLACE CONCRETE / 9 DUMPSTER PAD y 1~~ \ \ \ -5 10.00 \ \ \ ~ ~ RETNNING WALL WITH OWNER ~F SITES STATE EMPLOYEES' CREDIT UNION ~ R50.00 ~ \ e f ALUMINUM HANDRAIL AND / PO BOX 27655 5 L28.77 . \ \ ~ \ e \ PICKETS, SEE STRUCTURAL RALEIGH, NC 27661 i \ FOR OETAIL ~ 919-839-5000 ` ~ R5.00' ~ \ i PLAN PREPARED BYE G'BRIEN/ATKINS ASSGCIATES, PA j 2 STEEL GUARDRAIL, TYP. , ~ PD BGX 12037 ~ \ ii LA-5 RTP, NC 27709 ~ / ~ r i L12.83 ~ \ \ ~ \ \ / 919-941-9000 O p / jtf` / FAX 919-941-9006 O '((J. ~ . ~ N PAINT ARROWS, ' DEtD REFERENCES DEED BDUK 870, PAGE 468 ~ _ \ "ATM ONLY" ANB-tJNI`~` ~ / AGE 586 DEED BOOK 1133, P 1~ ~ n ~ 1 ~ EFLECTNE , ~ 00 USING WF(~TE R ~ R45.0 --~pglM ps pER NCDOT / "C C' ~ ~ 4 .00 A STANDARDS-TYP. ~ R45.00 ' BUILDING USE CREDIT UNIGN s~ cC / ~ ~ $ , 27 3~ ~ / ~ ~ Z~]NING D&I ~ O ~ / . DIRECTIONAL 6 ~ s ~ ` SIGN TYPE C ~-5 ~ ~ 4-+~ INV= 274.2 ~v~ I INTG TREE LJNE i ~ ' EX S 0 ~ F UIL ING~ 35 FT. ~ hcIGHT D B D ~ - ~ ~ ' ~ ~0 REMNN INV- 289.3 , , ~ ~ / ~ • / ` rl 4-4 O~ ~ ~ ~ 0 ~ ~ ~ \ ~ ~ ,,i ~ ~ ~ PARKING REQUIRED 57 (2 HC ACCESSIBLE INCLUDED) ~ (IMPACT BY ED (6543 SF/200=32 + 25 EMPLGYEE SPACES) 0 .N ~ S~' RATIG USED 1 SPACE PER 200 GSF OF 0 0 Q SEWER LINE ~ ~ Y SEWER EASEMENT ~ ' . PROPOSED SANITAR ~ UFFICE ~ U J ~ BUFFER IMPACT ~ AND PROPOSED SANITARY SEWER LINE ~ ~ ~ ~ ~ PARKING PROVIDED 73 (3 HC ACCESSIBLE INCLUDED) IMPACT BY EDT AREA 0.040 Ac (DATA FOR THE pROPDSED LOCATION ( / ~ ~ i i743.0i SF SEWER LINE BUFFER ~ PROVIDED BY EDT ASSOC. ) ~ ~ ~ n ~ PARCEL AREAS 108,903 SQ. FT. (2.50 ACRES> ~ ~ IMPACT AREA 0 Ac WORK BY OTHERS, NIC 394.42 SF,~ IMPACT B PACT BY EDT ~ ~ . ~ ~ ~ ( ~ ~ SEWER LIt` ~ M ~ ~ SEWER LINE) ~ ~ ~ ~ ~ ~ BUFFER IN BUFFER IMPACT AREA ~ ~ ~ ~ ` / 0.035 Ac ~ ~ , 1 7.43 Sf P~ ~ . ~ ~ 0.035 Ac 52 Q ~ ~ ~ ~ ~ , ~ ~ BUILDING AREA 6 543 SF : ~ ~ , ~ 0 ~ ~ DATE 4-6-05 -05 SCALE 1 =20 V DESIGNED BY JS DRAWN BY JP/CP lP CHECKED BY JWS JOB 2003-034 -034 2~ ~ ~ ~ 2~ 4~ 60 SHEET -1 OF p SHEETS IEETS REVISIDNS 8Y BY it INV.IN-301.9 R R0 G it NV. UT=301.8 0~ 0 G a G• e ; v 0~ e / ' UTILITY NOTES: . (INVERT INFORMATION G 4 ~ '~0 . OBTAINED FROM TOWN OF ~ 1. ALL WATER ONES SHALL HAVE A FINAL COVER DEPTH OF 3'-0" IN NON-TRAFFIC AREAS AND 4'-0" MINIMUM IN TRAFFIC AREAS UNLESS SPECIFICALLY NOTED ' P~' Q ~ LOUISBURG ENGINEERING ~ ~ a OTHERWISE. 4~~ DRAWINGS G' 2. ALL SEWER LINES SHALL HAVE A FINAL COVER DEPTH OF 3'-0" IN NON-TRAFFIC ~ ,,~y - s / AREAS AND 5'-O" MINIMUM IN TRAFFIC AREAS UNLESS SPECIFICALLY NOTED ,p SMH RIM-303.4 BOLTED DOWN) ; ~ ( S ~ o ~ INV.IN=298.5 ~ ~ OTHERWISE 4N THE PLANS. e r7 ~ y INV.OUT=298.4 - ~ / 3. EXISTING PIPE SHOULD BE FELD VERIFIED FOR INVERTS. ~ ~ s ~ o 4. ALL WATER AND SANITARY SEWER LINES ARE TO BE INSTALLED BY THE PLUMBING 2 ~ ° . 9~ SUBCONTRACTOR (DIV{SION 15). ~ < ~ R a , PROPOSED WATER LINE ~ ~ ~ oN O M 5. ALL WORK SHALL BE GOVERNED BY THE LATEST EDITIONS OF THE STATE MECHANICAL, L~ o \ / ~ o 0 ~ ~ AND PROPOSED VALVES AND FIRE HYDRANTS) UTILITY LEG ND GP ~P 0 0 ON PLUMBING, ELECTRICAL, FIRE PROTECTION, BUILDING CODE, ENERGY CONSERVATION, HANDICAP ACCESSIBILITY, NATIONAL ELECTRICAL CODES AND NATIONAL FIRE G \ DATA FOR THE PROPOSED LOCATION PROVIDED ~ ~ 0 \ ~ 4 P S ~ ~ I i . U) d' LO PROTECTION ASSOCIATION CODES AND AS ADOPTED BY THE AUTHORITIES HAVING G / ~ WATER METEa ~ ~ F\ \ BY EDT ASSOC. R / ) ~E F / Qs 1 - JURISDICTION. 0 RP a ' ~ ~ / \ WATER VALVE ~ ~ N ' e' ° / ' a ~ ~ Qs Q1~ O1 ~ 6. THE CONTRACTOR SHALL OBTAIN AND PAY FOR ALL INSPECTIONS, CERTIFICATIONS, ' e ° ~ Z ' ~ e ' 4 ~ BACKfLOW PREVENTER y £ ~ S EQUIPMENT, ETC. THAT MAY BE REQUIRED. ~ 6 • 0 m d \ s ~ N S ~ I A P NS FOR DETAILS OF BUILDINGS AND BUILDING DIMENSIONS. G~ Dc 7. SEE ARCH TECTUR L LA ~ , i G ~ ~ ~ ' ' SANITARY SEWER MANHOLE N L ~ ~ ~ ~ s ck: ~J~ A F G~ \ A G G ? Q B. CONTRACTOR SHALL GUARANTEE, FOR A PERIOD OF ONE YEAR FROM THE D TE 0 ~ FNAL ACCEPTANCE OF SYSTEMS BY OWNER EACH AND EVERY PIECE OF APPARATUS ~ ~ F\ 1 ~ 0 ' - ~ ~ SEWER CLEAN-OUT i ~ pP ~ e 0 O a, ~yP WHICH HAS BEEN INSTALLED UNDER THIS CONTRACT. Q • S . P w a 0 s OP rv LINE BREAK SYMBOL e \G \ ~ o, Gj b ~ CL 9. THE ENGINEER AND/OR OWNER DISCLAIM ANY ROLE IN THE CONSTRUCTION MEANS/ METHODS ASSOCIATED WITH THE PROJECT AS SET FORTH IN THESE PLANS. ~ P ~ ~ Q - W W- WATERLINE i p' ~P c,Q ~p P H i. \ 10. OCCUPA11ONAL HEALTH AND SAFETY ADMINISTRATION (OSHA) STANDARDS FOR ~ • ALUMINUM SIGNAL POLE SANITARY SEWER m EXCAVATIONS; FINAL RULE 29CFR PART 1926, SUBPART "P" APPLIES TO ALL cj5 ' EXCAVATIONS EXCEEDING 5 FEET IN DEPTH. . ~ G 1 ~ ~G OU OU OVERHEAD UnLlTY G~' 'L \5 \ ~ 11. EXCAVA11ON EXCEEDING TWENTY (20) FEET IN DEPTH REQUIRES THE DESIGN OF A ~ 4 TRENCH SAFETY SYSTEM BY A REGISTERED PROFESSIONAL ENGINEER. SD SD STORM DRAIN ~ P~ \ I MA E USED PROVIDED 12. EQUIPMENT AND PRODUCTS OTHER THAN THOSE SPEC FLED Y B Gj i \ W ~ y T N FROM THE OWNER IN WRITING PRIOR TO ° G' PRIOR APPROVAL HAS BEEN OB AI ED ORDERING OR INSTALLATION. THE CONTRACTOR SHALL WAIVE ANY CLAIM FOR G~ \ i \ ~ d~ ' ADDI11ONAL COST RELATED TO THE SUBSTITUTION OF ALTERNATE EQUIPMENT. ~ i a. o \ ~ - d no 13. CONTRACTOR SHALL MAINTAIN AN "AS-BUILT" SET OF DRAWINGS TO RECORD THE ° i r XACT All N OF ALL PIPING PRIOR TO CONCEALMENT, DRAWINGS SHALL BE GIVEN ~ d E LOC 0 ~ v ~ d ~N CDOJ TO THE OWNER UPON COMPLETION OF THE PROJECT WITH A COPY OF THE TRANSMITTAL G \ tl h i LETTER TO 1HE ENGINEER. 'r, . a \ (1) 8x4 TAPPING SLEEVE AND VALVE ~ o ~ " S.:.. CD 14. LOCATION OF EXISTING UTILITIES SHOWN ON THESE PLANS ARE APPRDXIMATE OR ~ ' (1) 4 GATE VALVE ~ I--. 0 ( I- O SCHEMATIC. THE LOCATIONS ARE BASED ON ACTUAL FIELD SURVEYS AND THE BEST STANDARD i s (BY DEVELOPER) ~ i WATER ME - \ X S 6 S_ X U L) AI A ONTRACTO SHALL FELD VERIFY LOCATION OF ALL EXISTING a, ' AV L BLE RECORDS, C R , UNDERGROUND UTILITIES AND UNDERGROUND STRUCTURES AND VERIFY REQUIRED e, U ~ UU VAULT DETAIL 4"x2" TEE a \ ~ p~ i COVER AND CLEARANCES PRIOR TO CONSTRUCTION AND REPORT ANY CONFLICTS TO :I' d S dS THE ENGINEER. ,a, ~ \ S • ~ K~ ? " P~ 0~ U U1 i 15. BELOW GRADE WATER SERVICE PIPING SHALL BE TYPE "K" HARD DRAWN COPPER 1 IRRIGAnON p.A \ i . N 0 METER BY ~Qa Q~Q~,t~ Q D_ ~ Z N O CL ril z TUBING WITH SILVER SOLDER JOINTS. SOLDERS CONTAINING LEAD SHALL NOT BE USED / FOR ANY PURPOSE ON THIS PROJECT, WHERE PIPING IS REQUIRED TO RUN BELOW a V d CONTRACTOR k ~ G~ 0 BUILDING SLAB IT SHALL BE INSTALLED WITHOUT JOINTS BELOW SLAB. G ~ a 5~ 0 F ,p, 16. ALL PIPING SHALL BE CONNECTED TO BUILDING STUBS, VERIFY LOCATIONS PRIOR TO G• 0 ¢y' iI6V " 6 w ~ e 0 ~ e BEGINNING PIPE INSTALLATION. G~ ° RPZ BACKFLOW -6 byr s by s r~ a , , Q .e, PREVENTER ~ ~ x x 17. CONTRACTOR SHALL NOTIFY NORTH CAROLINA ONE CALL AT 1-800-632-4949 ~j AT LEAST 48 HOURS PRIOR TO BEGINNING CONSTRUCTION OR EXCAVATION TO HAVE ~ DIV 15 `2 ~ ~ " a O a a U11U1fES LOCATED. CONTRACTOR SHALL CONTACT ANY LOCAL UTILITIES THAT PROVIDE 6 a DIV 2 l~ - °~a3 " 4 ~ o BMX THEIR OWN LOCATOR SERVICES INDEPENDENTLY. ELEC. i oa ts1~ 18. ALL U11UTY CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE TOWN OF LOUISBURG a a ~ ~~a o o, PUBLIC U11UT1ES AND CROSS CONNECTION CONTROL REGULATIONS AND STANDARDS. J ~ 19. SITE UT1UTY CONTRACTOR TO PROVIDE WATER, SANITARY SEWER, AND ROOF DRAIN ` a / ' ~ je,NUg4 a I_, \ ` ~1, rr N '0 LEADERS TO WITHIN 5 FEET OF THE BUILDING. CONTRACTOR SHALL COORDINATE SITE " 0 i V e~' rr PLAN CONNECTIONS WITH THE ARCHITECTURAL BUILDING PLANS. WATER TE : t- o~ N R OCATION OF 20. 1HE CONTRACTOR SHALL BE RESPONSIBLE FOR THE LOCATION A D/OR EL BY ~ oo , ..,r ALL EXISTING UT1LITiES IN COORDINA11ON WITH THE APPROPRIATE UTILITY, AGENCY, OR a n CONTRACTO ~ N ; 6 1 M WATERLINE AND • S ~ COMPANY. Q a -6 RPZ \ HYDRANT %Y~ G~ BACKFLOW O ~ \ BY DEVELOPER oN t1~ 21. RELATION OF WATER MAINS TO SEWERS: ~ G• ( ) '0 0` a PREVENTER ~ ti~ \ 1q P ATI N F EWERS AND WATER MAINS: WATER MWNS SHALL BE LAID A. LATERAL SE AR 0 0 S GO AT LEAST 10 FEET LATERALLY FROM EXISTING OR PROPOSED SEWERS UNLESS LOCAL CONDITIONS OR BARRIERS PREVENT A 10 FOOT LATERAL SEPARATION, IN WHICH CASE: a \ 10 STANDARD H WITH THE ELEVATION OF i, THE WATER MAIN IS LAID IN A SEPARATE 1RENC , ~-6 WATE ETER s VAULT DETAIL THE BOTTOM OF THE WATER MAIN AT LEAST 18 INCHES ABOVE THE TOP OF THE SEWER, OR a 2. THE WATER MAIN IS LAID IN THE SAME TRENCH AS THE SEWER LINE WITH THE A WATER MAIN LOCATED AT ONE SIDE ON A BENCH OF UNDISTURBED EARTH, AND ABOVE THE TOP OF THE SEWER. , ~ ° . B. CROSSING A WATER MAIN OVER A SEWER MAIN: e " "K" COPPER a \ I WHENEVER IT IS NECESSARY FOR A WATER MAIN TO CROSS OVER A SEWER THE WATER MAIN SHALL BE LAID AT SUCH AN ELEVATION THAT THE BOTTOM OF 1HE WATER MAIN D MESTIC SERVICE e 1 IS AT LEAST 18 INCHES ABOVE THE TOP OF THE SEWER MAIN, UNLESS LOCAL CONDITIONS i ° ~ ' N U~ i O OR BARRIERS PREVENT AN 18 INCH VERTICAL SEPARATION - IN WHICH CASE BOTH THE / ~ H a V W zl °=e WATER MAIN AND SEWER MAIN SHALL BE CONSTRUCTED OF FERROUS MATERIALS AND WITH JOINTS THAT ARE EQUIVALENT TO WATER MAIN STANDARDS FOR A DISTANCE OF 10 FEET PROPOSED WATER LINE .o o ON EACH SIDE OF THE POINT OF CROSSING. °°ae PROPOSED VALVES AND FIRE HYDRAN ee ~ ~ 1 C*l C. CROSSING A WATER MAIN UNDER A SEWER MAIN; WHENEVER IT IS NECESSARY FOR A WATER MAIN TO CROSS UNDER A SEWER MAIN BOTH THE' " " • » » °°ee°°°°ep° DA OR THE PROPOSED LOCATION PROVIDED ina ;a I AND PP WATER MAIN AND THE SEWER MAIN SHALL BE CONSTRUCTED OF FERROUS MATER ALS I RIGATTON SERVICE °0e°°ao$: \ O M >H SERVICE ° :es°°°.,° B BRIEN ATKINS ASSOCATES, P.A.) ~N ~ ° : o°o° ~ ~ QI ~ eq WITH JOINTS EQUIVALENT TQ WATER MAIN STANDARDS FOR A DISTANCE OF 10 FEET ON EACH pee ' SIDE OF THE POINT OF CROSSING. D. CROSSING A SEWER LINE OVER OR UNDER A STORM DRAIN: ~ o ~ PROPOSED CREDIT w o 0 ° o °a WHENEVER IT IS NECESSARY FOR A SEWER LINE TO CROSS A STORM DRAIN PIPE, THE SEWER UNION SIGN o ~ ql:p LINES SHALL BE LAID AT SUCH AN ELEVATION THAT THE OUTEIOE OF THE SEWER LINE NEAREST TO THE OUTSIDE OF THE STORM DRAIN PIPE SHALL MAINTAIN A 12 INCH CLEAR SEPARATION DISTANCE, OR ENCASED !N EITHEP, CONCRETE OR DUCTILE IRON PIPE FOR AT LEAST 5 FEET ON °o eoaoe °°e0e w ~ o ° ° EITHER SIDE OF THE CROSSING. o ° 7 e° ° ~ Ci 22. THE GENERAL CONTRACTOR SHALL CONFIRM ALL NEW UTILITY TAP LOCATIONS YNTH THE UTILITY OWNERS. °e e:e hl V,o H 'moo OYEES CREDIT UNtlONI W ~ W STATE EMPL 8543 3F 23. IT I$ THE RESPONSIBILITY OF THE GENERAL CONTRACTOR TO VERIFY THE ACTUAL LOCATION AND AVAILABILITY OF ALL EXISTING AND PROPOSED UTILITIES IN THE FlELD PRIOR TO GROUND BREAKING. FFE-290.50 enz ~ ee ~ _ n en a noes Nne efne Qe 24. ALL PIPING SHALL BE AS NOTED ON PLANS. N F a,e 1711 G hV1G1 G~7Y I~VI"fG~7! IV~,~7W VI- °e 4" SANITARY SEWER ° , INV. 285.50 25. CONTRACTOR TO COORDINATE TAP AND INSTALLA110N OF METERS WITH TOWN OF LOUISBURG L.H. DIKENS JR, DEPARTMENT OF PUBLIC WORKS. ° o ° D.B. 672 PG 522 26. NO NATURAL GAS IN VICINITY OF SITE, ~ 0 °°e 1 NITARY SE NITARY SE ~ \ a \ \ \ - SERVICE CLE UNDER DIV SERVICE CLEANOUT UNDER DIV 15 CAST IRON 7-A \ \ \ MONITORING INV,~zsS,ao INV,=285.00 PIPE TRENC LA-6 \ WELL ° DETAIL \ ° \ 1 SAN 1 SANITARY SEWER -6 SER -6 SERVCE CLEANOUT \ \ UNC INV. N R DIV. 15 \ • • ~ UDE ° \ INV.=284.00 ° \ \ \ V] \ • \ 10 ~ i i / TILITY CR05SING \ xi U \ / 4u y 18" RCP SD INV=282.19' / b a 4" CI SS TOP=279.59' \ \ 16" MIN. CLEARANCE C.I. 4" SAN. SEWER • j@ ~ ~ ~ ~ • UNDER DIV. 15 , ~ d' cA~, \ ~ ~ i i ~a ~A ~ , , , 4, / ' ~ ~ i z ) -4 ON l ~ INV= 274.2' ~ ~ ~ ~ 1~ INV= 289.3' ~ S ~ ~ ~ ~ . I ~ ~ i ~ \ \ \ \ ~ \ , ~ PROPOSED SANITARY SEWER EASEMENT ____J ~ 4 • ~ / ~ AND PROPOSED SANITARY SEWER LINE ~ ~ "~S~ ~ ~ ' ~ ~ bA . ~ SAN. SEWER MANHOLE ~ ~ ~ ~ ~ (DATA fOR THE PROPOSED LOCATION ~ , ~ {BY OTHERS) Y T AS OC. ~ ' ' ' RIM=285.19 PROVIDED B ED S ) ~ ~ 7J ~ INV. IN=274.40 WORK BY OTHERS, NIC ~ T ~ - - - ~ - - n ~ i 4 " s ~ b ~ ~ ~ INV, IN(4) 277.50 ~ ~ ~ ~ \ ~ INV. OUT~274.20 ~ ~ ~ ~ ~ INV'-~ 272.E a ~ ~ P~ ~ ~ ~ ~ ~ ~ ~ \ \ ~ ~ ~ ~ n\R / ~ ~ ~ i~ ~ WETLANDS LOCATI ~ ~ ~ ~ INV= 272.7 ~ ~ ~ SHOWN HEREON PROVIDED ~ ~ a m O O O O N O DATE 4-6-05 -05 SCALE J 1 =20 '.0' F I DESIGNED BY BJ m DRAWN BY N TH g CHECKED BY MZ a gas I I LUUJ-UJ4 -UJ4 0 M 4 2~ ~ ~ ~ 2~ 4Q 6~ SHEET m m 0 J Q I m N -2 0 1 ~F $ SHEETS IEETS g .Q a X , a ' ~V~' ~ REVISIONS BY BY - ~ ~ YI TOP-308.1 ~ , > a , - INV.IN=301.9 ~ ; G~ ~ ~ ' ~ ~ OR INV,OUT=301,8 0 G , ° . o~, . G ~ G. r 0~ o CONSTRUCTION SE UENCE Q EROSION CONTROL NOTES: I ART INFORMATION , G ° ~ -P ' ~ OQ~'AINED FROM TOWN OF ~G L ~ b / , • 1) PERMANENT SOIL STABILIZATION SHALL BE APPLIED TO DENUDED AREAS THE CONTRACTOR IS RESPONSIBLE FOR ENSURING THAT EROSION IS MINIMIZED AND THAT ° ~'LOUISBURG ENGINEERING ~ ~ . ' P i ~ / / q , / v (THIN SEVEN DAYS AFTER FINAL GRADE IS REACHED ON ANY PORTION COMPLIANCE WITH ALL APPLICABLE FEDERAL, STATE, AND LOCAL LAWS, REGULATIONS, AND OF SITE. TEMPORARY SOIL STABIIiZAl10N SHALL BE APPLIED WITHIN SEVEN ORDINANCES IS MAINTAINED THROUGHOUT EXECU110N OF THIS PROJECT, ;0 4~ ~ DRAWINGS 4 G. ' ) , v , ~ DAYS OF DISTURBANCE TO DENUDED AREAS THAT MAY NOT BE AT FINAL s ~ GG ' ~'p SMH RIM=303.4 BOLTED' DOWN ' ' ~ ~ ~ ) ! GRADE, BUT WILL REMAIN DORMANT (UNDISTURBED) FOR LONGER THAN ~ _ S , o ~ INV.IN-298.5 , ~ , 30 DAYS. PERMANENT STABILIZATION SHALL BE APPLIED TO AREAS THAT 1. OBTAIN LAND DISTURBANCE PERMIT. ARE TO BE LEFT DORMANT FOR MORE THAN ONE YEAR. 9 INV.OUT=298.4 ; 2. CONSTRUCT TEMPORARY GRAVEL CONSTRUCTION ENTRANCE, 2) ALL CUT AND FlLL SLOPES AND CHANNEL SIDE SLOPES WHICH ARE NOT TO BE PAVED SHALL BE SEEDED UNTIL A GOOD STAND OF GRASS IS OBTAINED ~ / , o M 3. INSTALL SILT FENCE, DETENTION/SILT BASIN & SEDIMENT TRAP AS SHOWN ON PLANS. IN ACCORDANCE WITH: , G ~I i / Cn / ~ , ~ i 1 0 0 I A. LIMESTONE SHALL BE SPREAD AT A RATE OF 2,000 LBS, PER ACRE, 4. INSTALL STORM DRAINAGE, ~ ~ 'A ~ a ~ / to / GP` P d• ~n mot' to B. FERTILIZER SHALL BE DISTRIBUTED EVENLY BY MECHANICAL SPREADER, 5, PLACE STONE ON ENTRANCE DRIVE AND PARKING AREAS. G~ / t ,E G / / or f~ WORKED INTO THE TOP 4" OF TOPSOIL NOT MORE THAN ONE WEEK PRIOR R / ~ ~ ~ i Q> 0'11 TO SEEDING OPERATIONS. SPREAD AT THE RATE OF 500 LBS, PER ACRE. s 0 RP a rn m , , d ~ / / 1 / d O ~ a ~ \ / , ! ~ ~ S S BROADCAST ~ OF FERTILIZER iN ONE DIREC110N AND THE REMAINING ~ IN 6. INSTALL FINAL BIORETENTION AREA, A DIRECTION AT RIGHT ANGLES TO THE FlRST DIRECTION. ' 6 • - , E: CM 0 Q~ 7. INSTALL INLET PROTECTION ON STORM INLETS. REMOVE TEMPORARY SEDIMENT BASIN. C. MULCH SHALL BE SPREAD UNIFORMLY OVER SEEDED AREAS AT THE RATE G ~0 ° , : / ~ ~ ~ N ~ ~ G ~ ,R / S d L ~ OF 4,000 LBS./ACRE. ~ q ra 0 _ A 6. EXCAVATE AND PROMPTLY SEED/MULCH PERIMETER AREAS OF SITE. ~ i~ 3 COUNTY ENGINEER AND OTHER APPLICABLE AGENCIES SHALL MAKE A c ~ i~ a . ~ r Y n, G ~ I Q~ CONTINUING REVIEW AND EVALUATION OF THE METHOD USED FOR THE 9, GRADE AND EXCAVATE FOR BUILDING PAD AND FOUNDATION AREA, / ~ o ~ ) 0 F s O S d OVERALL EFFECTIVENESS OF THE EROSION CONTROL PROGRAM. AN P~ ' APPROVED EROSION AND SEDIMENT CONTROL PLAN MAY BE AMENDED R~ . , P~ ~ ~ i ~ ~ v e ~ N BY THE APPROVING AUTHORITY IF ON SITE INSPECTION INDICATES 10. CONSTRUCT BUILDING. / d ~ / ~ THAT TH APPRO CONTROL MEASURES ARE NOT EFFECTIVE IN P~ E VEO ~ ~ , ' p~ ~ / CONTROLLING EROSION AND SEDIMENTATION OR IF BECAUSE OF 11, FINE GRADE AROUND BUILDING, SPREAD TOPSOIL, SEED OR SOD AS APPLICABLE, \P ~jQ / ~ P CHANGED CIRCUMSTANCES THE APPROVED PLAN CANNOT BE CARRIED ~ ~ 4. / ,i `1 ~ / / , ~ OUT. 12. FlNE GRADE PARKING AREA, ADD STONE WHERE NECESSARY, CONSTRUCT STRUCTURES, 5 ,~J 5 ,3 r ti _ ~ r MI AL ~ ~ 4 CONTRACTOR SHAD. LOCATE AND VERIFY THE LOCATION OF ALL G 5 ~ ) 13, FlNE GRADE AND SEED OR SOD DISTURBED AREAS. UTILIITES PRIM TO BEGINNING CONSTRUCTION, a ,`k ~~5, c / - / ` 5~ / ~ 5 THE CONTRACTOR SHALL NOTIFY NORTH CAROLINA "ONE CALL" AT 1-800-632-4949 14. REMOVE ALL EROSION CONTROL MEASURES, 48 HOURS BEFORE BEGINNING ANY EXCAVATION OR UTILITY WORK. ~ LIMITS OI ~ ' G` i ~ ' ~ F. ~ W LIMITS OF OG ~ ~ ~ y 15. REMOVE ACCUMULATED SILT FROM ALL EXISTING DRAINAGE. 4 . o cy , C1, ~ DISIURBI 1 DISTURBANCE ~ / ; i L 6 EROSION AND SEDIMENT CONTROL PRACTICES SHALL BE MAINTAINED, ) P ~ c, ,3 (2.27 AC SO THAT SEDIMENT CARRYING RUNOFF FROM THE SITE WILL NOT ~ ~ ~ {2.27 ACRES) % / , ~ d Cn ~ / / / ~ ~o C5 (Jl n p ENTER STORM DRAINAGE FACILITIES, o , / , ~ f~ 292.5 ~ ~ ~ h N h C 7) PROPERTIES AND RIGHT-OF-WAY ADJOINING THE SITE SHALL BE ~ , ' ~ d ~N 0 KEPT CLEAN OF MUD OR SILT CARRIED FROM THE SITE BY , ~J ' RIP RAP r~ ~ ~~d d G s VEHICULAR TRAFFIC OR RUNOFF. ~ ~ ~ , .d co O J 8) ALL CONSTRUCTION TRAFFIC SHALL ENTER AND EXIT THE SITE VIA , 292.50 ' ~ _ _ s. n? ~ o N F- (O o , THE CONSTRUCTION ENTRANCES. s. 93.0 / ~ r ~ X s d y X s cs 9) EXCAVATED MATERIAL FROM TRENCHES SHALL BE PLACED ON THE / ~ ~ ~ U U ti / ~ Q1 ~ ~ i. p iU pEl 0 S UPGRADE SIDE OF 1HE TRENCH TO ALLOW MATERIAL TO ERODE INTO ~ . ~ , " ~ THE TRENCH. CONSTRUCTION MAINTENANCE AND REMOVAL OF ALL EROSION ~ / / ' ~ ~ s N -I' / / ~ / ~ U ~ Ut i. LA L CONTROL DEVICES ARE THE RESPONSIBILITY OF GRADING CONTRACTOR a / UNLESS OTHERWISE N01ED. ' , ~ i N O / ' ~ Q CL~Z N O CL CL! Z P 294,5 10 THE APPROXIMATE AREA OF THE OMITS OF CLEARING GRADING, AND ~ ' F ~ 5 ~ ~ UTILITY ~ ~ ' Q,a, CONSTRUC110N IS 2.20 ACRES. ~ ~ ; G ~ DISTURBANCES ,~y' nwTt~y / \ , AREA / / ~o ~ • e TAIN FR M GOVERNING c 11) LAND DISTURBANCE PERM T MUST BE OB ED 0 ~ ~ ~ p~ b i / / ~ / N ~ ~i a 4 A TH ITT FO EGINNING CONSTRUC110N. G~ / ~ U OR ES BE RE B o . / ' ~ ! ay ~ ~ s / , / / / / ' ~ ~ F: ti S 12 ALL STORM DRAINAGE PIPES ARE CONCRETE CLASS III UNLESS NOTED ~ / 'j , , / OTHERWISE, / ~ / / ~ 1. y G J ' / Ogg o / / ~ ~ •1 ~ • 4 4 O ELEC~'BOX,' / ~ ~ , ' BC 289.1 ~ BC 286.1 Y 'od tsi~ l~ '~e,o 104.9 / ~ ~ / ~ / ~ ~ i ~ , ' / tiuuiu~ ' / / BC 2 r89 INLET ,```'~~„~X ~ ~ ~ / , ~ ~ / / TYP AL ~ ~P,,,. Nttecr ''•j~s' / / / \5 CA'IrCH BASIN 3 / . / : ~ v P I ~ ~ . / ~ ~ _ CON E i „ _ T/C-287.50 ~ ' . U ' y v - r I ~ 293 ~ \ / _ ~ RIM=287.00 ~ ~ ~ = 6 ` J E OTHERS / r~"V'; ; y ; > r~ ~ / ~ V. IN 10" ®283.85 ' 1 : S : r ti ~ ~ ~ ~ r ~ \ \ INV. OUT 283.75 r ~ ~ r \ ' G•/ / 89.24 , , ; ~ ~0 ~ ~ ~ ~ BC 289.43 , , 7,50 ~ ~ / ' 1 / / i i ~ ~ / / ! ~ ~ ~ ~ \ / / ' ! , ~ i ~ 289/4 i / ~n i ~ , / / \ / / -F / \ ! ~ ~ di r / U' t / ! ~ ; 7-A A ' A 7-A A T IP ' i i / ~ ~ 4 ~ ~ / 0~ . It ~ ~ 8 TEMPORARY (VERSION ~ ~ TRf~ - TRENCH DETAIL ~ 89.3 / ' i LA-6 DITCH o .1 ~ / ~ 1 ~ \ ~ / ° ~ ~ r COfJ TRUCTION 3 ~ G 0 ~ ~ 289.241 " 0) ~ IE 7~,pNCE LA-6 O o / / ~ 1 . ~Ny U eP r e o 0 0 ~ + ~ r , ~ W f..~ x , i ~ r , ~ o 0 0000 ~ 0 o O 0 0 ~ w o o O r ° 0 0 ~ 0 ° ~ r I p o Q o o - 89.43 ~ r , , ° ~ 289.24 \ j ~ 1 ~ ~ r rl o 0 0 0 Q ~ \ , °°o°° i ! ~ 1 ~ PIPE JOINTS FROM CB-4 TO ~ 61 CQ r r° o ° o ° o ~ 1 ~ o ~ ww ,aoooa°o° ~ r HC s i 1 ~ THE BIO-RETENTION AREA a \ ° ~ 9.43 288.85 ~ RAMP ~ ~ ~ ~ ) ~ a ~ r ~ o ° o ° ~ ~ ~ NALL BE CONFINED 0-RING 289,4 0 r ~ o ~ ~ • ~ BBER GASKET JOINTS ~T.~ O c ~O O .1 0 C ~ r O 1 i r \ ~ 0 0 ~ HC RAMP ~ \ d' o 90.50 ' 1.0 to ~b r i n o ~ ~ ~ a fLl aaQap° ~ 2$ ~ ° o o ° o ~ CONCRETE VALLEY 9 Ga ~ o ~I rr r ~ ~ r ~ \ 28! 289 0°808 ~ ~ ! o ° ° ° ° ° GUTTER (,A-6 O c+7 i r 280.50 ~ ~ ~ r ! + ~ ~ J' ~ T + r~ r o 0 0 ° th ~ ' O 2 SILT F NCE ~ r \ , o o° ° SEE DETAIL ON THIS SHEET Gra O ~ / r ~ o 0 0 287, ` AND SHEET LA-8 FOR t>~ a„ AO y A 6° BTATE EMPLOYEE3,~DIT UNION 7-B .C. PIP r o o ° o ° o BW 2 ~ DESIGN OF PERMANENT / 'Fu ZLX~,A~r ~ 1, / , ~ - r TAIL ! o BIOREIT:NTION STRUCTURE 8 ~ / ! ~ o ' ~ , ~ THIS AREA r r ~~s~ ~ ~ i \ r ~ tip,. ~ ~ ~ 1 ~ , / ~ NF \ ~ \ i ~ ~ , SITE AAEdi 250 AC('~31tossoa SF / ~ ~ , ° / ~ / 1? 5 r---~__~ ~ ~ ~ L.H. DIKENS JR. ~ ~ - r ~ r t ~ ~ ~ E FRENCH DF ATCH BASIN E FRENCH DRAIN ; ' ~ > ~ ~ i D.B. 672 PG 522 ~ _ ~ ~ ~ T/C=286.82 r,, 28 0 / ~ ~ PIPE JOINTS FROM JB-1 TO ! RIM=286.32 fr -F / ! THE BIO-RETEN110N AREA) ~ r INV. IN=282.30 1 s ~ ~ _ ~ ~ \ _ ~ / ~ ~ ~ / IA11f AI IT-7~7 Ofl r ,.b:..~,a. _.,_.m~,,...::,,i:..~~~rs;.:,., , A , rr~ ~ MONITORING ~ ~ ~ ~ r i ~ _ m~. vv. cv~.~.v i \ ~ ~ r rr ~ ~ WELL ~ , r RUBBER GASKET JOINTS r , ti;~ ~ s; ~:.L . ~ - /r 280.50 ~ / ~ ~ r ~ ~ i r ~ ~ \ r ~r' h6f,,~SE~~~}i ~F~ ~ UTLET DETAIL LA-7 o ~ iV~ara v- n I l 1 1 CCU 1 r ~ \ ni Yw s ~ M / u ~ y ~ ,r, ! / I ~ ~ ~ 1 a 290'.15 - _ ,.:S.e~E p ~ ~ r ARED END 1 ~ ' r"'( ~ ~ ~ \ ~ ~ ~ ~,,yA ~ ~),ry ~ ~,r~ ,a~ ;e~ ! ~ S /~TION ' e 4~ i:a ~ ~~:>1: ~ 87.00 \ ~ 11E , \ TW 291.00 ~ ,4~~, ..t ~ a•= ~;,~~,tcr> t, ~Y e~ra~~F.:- ~ ' FED OUT=281.80 ~ r--~ " ~ ~ 5 CATCH BASIN 1 I 87.0( r I I r ~ -6 CB-1 ~ I I ~ ~ C 287.36 i ~ w:~A~s ,F~~~'~,~ 0~8't1+N7t IV,~1~ A ~vr , ~ i ~ ~a FRENCH , 'BW 289.2 ~P w,, ~ . : n ~ih~,~~y a N ~ r i t/,1 O r ~ _ T/C=288.50 Q~ ; i / ~ DRAIN / w d~r~l~ ~u~~' rt _i.'7~'W i~~~~`'"~ .9"V~Yi^ 4r vd, ~R'~r~1 ~ ~ (/1 287.00 ~ \ ~ \ .25 ~ F ~~"~s;. ~ ~ r*y~,~~~° ~ ~ w~ i ~1 yNTO , . V ' r"' ts,N, ~~`A~~~;<; i PIPEIOUTLET 4 ~ ~ RIM=288.00 Q I / ~ t . x I i/ H- cat / INV. IN (10 )=284.85 ~ ~ ~ ~ INV.OUT=284.75 ~ ~ ~ / ~ . ,,p.;;t~r?° r~'1H Z~t~r,~?;''. a'~, n.r ti au~lka,~y~ln~ / 286.75 r ~:Iw ~ ' r~ ;r~ s~ ~ ~a , ~ r O - ~ ny i r .f5'p , ~ 86.50 287.00 ~ r . v ~ ~ ii . , ~ ~Y t,,~ ~~,~z~t ~ ~ ~ ~;a' , ''C J r ~ INV= 74. ~ ~ 2 2 , i ' r ~ ~ r TW 291.00 ~ '~kt~ k1•.,`~ ~ rti ~a~,,,, sir ~ ~7,~,,. ~ ~ ~ ~ ~ r TEMPORARY 2 ~ ,o y ~ ~ ~ LIMITS OF t ~ ` , r , , r, ~ ~ DISTURBANCE r SED E TR -7 r~ , 1 V I / ~ ~ ~,r~,~ s,p z ~ e) 1 l I ~ ~ V i _ W 290.1 ~ 6~ 4^~r•, , ~a r~ ys + a ~;.~~9~~ ~ ~ r ~ i~ ~ ~ ~ / (2.20 ACRES ~ ~ / ~ ',l ~ ..,r, ,r s~~' r ~ , y .2 287.25 CP ~ , » ~ ~ / , ++.a-~ i ~ ~ ` F , I AM fl IN A A REQUIRED PROVIDED O + ' - 5 DIMENT STORAGE VOL ME-,., 3960 CU. FL 6770 CU. F!, 4-a ~ ~ TW 291.00 `l C~j EDIMENT SURFACE AR 4750 SQ. FT. 2760 SQ. fT. ~ j'~ ' 0 ! r \ , ~ i ~ / ` ~ ~ \ ~ ~ ~ BW 289.00 ~ 2l SEDIMENT STORAGE D TF1 3.5 FT. MAX 3.5 FT. ~ 89.00..-. . , i i ~ _ r TRAP BOTTOM LENGTH TO WIDTH RAT10 2.OL1W MIN 3.OL: ~ n i , \ , IF A ` ' PIPE OUTLeT 4 ( } ~ ~ ~ ; .ir ~ ~ SPILLWAY LENGTH I N V= 74. 10.0 FT. (MIN) , .0 FT 0 ~.~,p 'r ~ , -s ~ 2 ~ ---~E,Lt ~ _ jr 2l 10-YEAR FLOW DEPTH OVER SPI WAY 1 FT 1.D .00 U bA % / IN 289.3 ~ ~ ~ ~ i , r r ~ ~ ~ ~ r ~ ~ TP FREEBOARD AT 10-YEAR DISCHAR + REF~ TO S'i~ET LA-8 ~ ~ ~s i ~ i ~ ~S`TREAM BUFFER ~ ' F'~ " (CARED END 1 ~ i ~ ~,t~arr~~~ ~ ~S, u;,~ ~ - SECTION LA-7 ~ ~ i ENCROACHMENT ~ ~ ,wE~~ k~ / ~ W t ~ ~ , : fES OUT•281.05 ~i J 5 CATCH BASIN 2 .1%- , , / L ~~,N. , / ~ V V 1 ~ .PROPOS ~SA TARY ~~'S MENT ,~___.f ~ bq• ~ LA-6 CB-2 ( ) / ~ ~ CONCRETE 6 ~ \ ~ ' 5 ST ARD MANHOLE ' ANO PROPOS ~ANI•TA[3Y SE>~ER~INE ~ ENDWAL DETAI -7 ~ ~ \ ~ ~ T/C=286.00 / S TEMPORARY OIVERSI - S ~s Lq_7 H_1 , (DATA FOR ~ E PROPOSED LOCATION ,.fl RIM=285.50 INV. IN=282.75 'BRIM=288.29 PROVfb SMH LA-6 DITCH D » _ 8~ ~ , _ I HED - ~ ~ \ C~ O 20 10 0 20 40 60 ~ _ 2 \ INV. OUT 282.65 _ INV. IN(10 )-282.8b W K B ~ _ - ~ - - - - , ~ _ - ~ \ n \ INV. IN=282.11 r R - 7.80 , ~ -U \ 0 \ ~ t \ - 80 STREAM BUFFER FER INV. OUT=2 3.01 ~ ~ ~ ~ ` _ DATA PROVIDED BY t ~ ( , ~ , E1D ASSOC.} / . /STANDARD ~ \ \ \ ~ , ~ - ~ I? GRADING & EROSION CONTROL LEGEND ~ \ ~ o ~ a ~ - - r2 ' - RIM-289,45 ~ ~ r \ 2 / i INV.IN=281.50 _ ~ ? \ i r ~ ~I I~ SILT FENCE OUTLET-SEE 4/LA-7 ~ CATCH BASIN-SEE 5/LA-6 WFTI ANfI~ I n~`ATI(?N r - _C~ r C ~IIIIII a O STORM MANHOLE SEE 5/LA-7 ~ INLET PROTECTION-SEE 3/LA-7 ~ SANITARY SEWER MANHOLE o -SF-SF-SF-- SILT FENCE N LINE BREAK SYMBOL 0 TREE PROTECTION 0 ~ ~ ~ LIMITS OF DISTURBANCE + 250.60 SPOT ELEVATION WOODED AREA 250 10' CONTOUR DATE z 4-6-05 ~ 252 ~ °,,,~°~Q° o ° ° 2' CONTOUR SCALE 1 =20 i71 ° V" ° ° o ° °o ° ~,,QQ~ DESIGNED BY m ° o ° 0°0 N ° ° o ° ° CONSTRUCTION ENTRANCE . BJ o °C~ o ° a ° ° o ° 5EE 3 A-6 - - - -250- - - - EXISTING 10 CONTOUR ° ° ~ 0 0° o Q u ~ o DRAWN BY -1 ~ ° a ~ -252- EXISTING 2 CONTOUR TH p CHECKED BY MZ ~ - - - - - EASEMENT LINE JOB M ~nnz_nzn I I I I I I m SEDIMENT TRAP-SEE 2/LA-7 STORM DRAINAGE 4 Zd ~ Q O 20 40 60 SHEET m m o ~ ~ TW -TOP OF WALL ELEVATION m N Z1 -BOTTOM OF WALL ELEVATION o I GUARDRAIL (NOTE: BOTTOM OF WALL IS GROUND g ELEVATION NOT WALL FOUNDATION) 3 OF $ SHEETS a X REVISIONS BY BY (CONRTACTOR TO FILL IN) 1. ALL NEW PLANT AREAS OF SITE ARE TO BE IRRIGATED ADN SYSTEM DESIGN SUBMITTED TO THE = ARCHITECT FOR REVIEW PRIOR TO INSTALLATION. 'l INITIAL PRESSURE _ ~P / ~P PRESSURE LOSS THROUGH METER - pO ~ SOD 3 QS / PRESSURE LOSS THROUGH BACKFLDW PREVENTER 2. LANDSCAPE CONTRACTOR TO VERIFY LOCATION OF RO 4 TN ' ~ SOD PRESSURE LOSS THROUGH PRESSURE REDUCER = UNDERGROUND UNTILTfIES BEFORE PLANTING. (SET TD DESIRED LEVEL) C~ ~P 1 SJ RUN OF PIPE = FROM CURB IN PARKING ~P 5e PRESSURE LOSS THROUGH LONGEST 3. PLANT SHRUBS 3 FEET ~Q P 3 fN ' 42 SJ PS (TO HIGHEST ELEVATION) gREAS, ~ PRESSURE LOSS THROUGH ELECTRIC VALVE 55 , GHEST HEAD= 4. PLANT MATERIAL WILL BE REJECTED UNLESS ANY ~P PRESSURE AT HI ~ ~ 1 o M ~ ~ _ ~ o o M O o AND ALL PLANT MATERIAL ARE OF SIZE, SPREAD, / rn ~ I I • LO CAIJPER GENUS, SPECIES AND VARIETY SHOWN. ~ INITIAL PRESSURE _ ' t!") TREE CANTING 5 ~ ~ ~ ~ Lr) m r- ALL REWORK WILL BE AT THE EXPENSE OF THE PRESSURE LOSS THROUGH METER = CONTRACTOR. SUBSTITUTIONS WILL BE PERMITTED _ Gj LA-4 ~ m a~ Q~ O~ PRESSURE LOSS THROUGH BACKFLDW PREVENTER - PRESSURE LOSS THROUGH PRESSURE REDUCER = ONLY UPON SUBMISSION OF WRITTEN PROOF TO l ~ \ ~ m m (SET TO DESIRED LEVEL) THE ARCHITECT THAT A SPECIFlED PLANT IS NOT P, ~ ~ S • SDD S E m C:s S E LOSS THROUGH LONGEST RUN OF PIPE = OBTAINABLE. ~ PRES UR ~ d i' ~ L d S cf L rv (TD LOWEST ELEVATION) O PRESSURE LOSS THROUGH ELECTRIC VALVE = 5. ALL DISTURBED AREAS ARE TO BE STAB?LIZED ~1 ~ ~ A A Q WITH SOD, PLANTINGS, PRESERVATION SEED MIX, OR Q + Q~ PRESSURE AT LOWEST HEAD= MULCH. G L ~ ~ 0 ~ S O S SOD ~ L a + n, B rlv, + + ~ ~ CL Q) - ~J ~ RUN TIME OF COMPLETE SYSTEM PER WEEK, TO HRS/ WEEK- Q ' F- PROVIDE 100% COVERAGE IN JULY MULCH 1 EDGE LA-4 ~ ~ ° 4 AA ' + SO RUN TIME OF COMPLETE SPRAY AND ROTARY SYSTEM, PER WEEK, HRS/ WEEK= 30 H ~ ~ TO PROVIDE 100% COVERAGE IN JULY 42 SJ'PS * + ~ ~ ~ / 4 + + + ~ \ ~ HRS/ WEEK= RUN TIME OF COMPLETE DRIP SYSTEM, PER WEEK, , + + JULY ' TO PROVIDE 100% COVERAGE IN 4 QS 0 ~ Q1 Q 31 HQ + ~ ~ ~ 5 IN + + 153 LM BM/75 DIF + 1 QS ' ~ 13 SJ'PS G~ , ~ 5 SJ PS + MULC ~®w Y • MULCH + ~ ~ ~ y 0 , 100 Ud BM/75 DIF , + 20 lM'BM + 1 ` ~ d Q` + f ~ ~ o C5 M • + r ` 1 NS ~ ~ ~ ~ 0- O / ~ + i 5 KEY PLANT NAME SIZE (MIN) ROOT REMARKS SEED ~ + ' + ` ' ~ 6 RI ' + + ~ ~ ~ ~ 5C1.1 DECIDUOUS SOD + + + TREES 2,5' CAL. ~ + + + + + ~ 20 LM'BM + ~ d rnN r. C C3 LA- 4 AB ACER BUERGERIANUM /TRIDENT MAPLE ~ B&B FULL + + + + + + + 12-14 HGT ~ ~ ` ~ o ~ C`) _d o L - / + + 1,5 CAL, FULL, MULTITRUNK J 2 NS + ` ~ ~ ~ I- o O-J t- O AA AMELANCHIER ARBOREA AUTUMN BRILLIANCE / SERVICBERRY - ~ B&B , ~ SOD : 10 12 HGT MIN, 3 TRUNKS 182 LM BM/90 DIF + ~ ~ + p ~ ~ U XS d 4 CAL, + + / ~ ~ ~ UU XS d o uU NS NYSSA SYLVATICA /BLACK TUPELO 16-18' HGT B&B FULL ~ + O ~ ~ pa S. 1 ~ + ` d S dS ~ ~ ~ MU ~ ' QS QUERCUS SHUMARDII/ SHUMARD OAK 4 CAL, B&B ~ S® 35 LM BM/30 DIF + ~ J s - ~ Q) i-> O 16 18 HGT FULL D 1AB + U ~v~s 1 SJ + + + ~L Q ~ ~ z Qj O 1.5' CAL, FULL SPECIMEN ~ I ~ / AP NESE SNGW BELL TREE B&B TREE CNDT THE BUSH) ~ ~ ¢ $J STYRAX JAPONICA J A 10-12' HGT 5 ICC ' + + + rwZ EVERGREEN ~ MULCH + + ~ ~ + + ~ ~ ° + + 95 HS 85 DIF + + ~ Q•^' TREES 50D LA-4 IMN ILEX 'MARY NELL'/ MARY NELL HOLLY 6' HT, CONT./B&B FULL ~ + + Ti + 2QS ` dey~ ov 65 LM BM + ,1~+ + 40 DIF ~ + + + \ \ ~ + 1 AA ~ ~ g s yf s JVB JUNIPERUS VIRGINIANA 'BURKII'/BURKII JUNIPER 8' HT. B&B FULL 4 44 RI + ~ ~ Z ` ~ a„W z 24 RI + + + + \ V \ H 1- K " ~ 19 RI ~ ~ ~ ; ~ , PS PINUS PALUSTRIS /LONG LEAF PINE 5' HT. & 3-4' SPD. B&B FULL 25 HS ~ + + 4 JVB + 35 LM BM ' + + SO b ~ 4 + D 4 2.5 CAL B&B FULL 2 QS + + 1 NS + + ~ ~isi~ * + ` ` d/~ PV PINUS VIRGINIANA /VIRGINIA PINE + + + SHRUBS 3 12-14 HT. ~ + + + + + + \ 8-D + 1 TTV + + + ~ + + r `\lpuu11111p,1r ~l` i urrrrrr'/'~ LA- 4 ICC ILEX C~RNUTA 'CARISSA'/ CARISSA HOLLY 24' HT. &SPD, CDNT. FULL - - h66 + + + + + 3 ~ 7 ICC + + o ~ ~ x N 34 LM'BM + ~ ~ ,.~P , ~ ° ' s ICST / • # 1 ~ + + + ~ r` ~pITECr ~~''•.,~Y~ + + + + + ' 32 LM'BM' ~ \ 110 LM BM + 6 PERENNUIL PW~TING ~ ,°••Pe• ICST ILEX CRENETA 'SOFT TOUCH'/ SIFT TOUCH HILLY 24' HT. &SPD, CDNT. FULL ~ * + + + + 1 + + ~ ;y~ + + + + + B SJ PS \ 19 RI + CA-4 UNDERPLANTED WITFI BULBS TYP.) = : ~ r\ : a fY ' 'o Q- ~ i/1 ~ I I , I! * + + IG ILEX GLABRA COMPACTA / INKBERRY 36 HT. &SPD, CONT. FULL + + 1 $J 7 RI 25 SP'JP = z ~ ' • 1 ~ 1 ICC ~ + SO = - i 15 LM BM 30 HS 30 DIF + ' , r', ; : ti ITV ITEA VIRGINICA 'HENRY'S GARNET'/ VIRGINIA SWEETSPIRE 30' HT. &SPD, C[iNT, FULL 'r l\~ 5RI \ 6 JHDP ~ ~ 9 SJ PS \ ' - 111\ oasae • 1 SJ ~ 'X ' P + 15 LM BM / ` ,1~~ ~ /11111111 it FULL 1 ICST ii JHDP JUNIPERUS HORIZ~NTALIS PLUMOSA /ANDORRA JUNIPER 18 HT, &SPD, CDNT / 9 ICST ~ * * * 5RI / ~ + + 1 ICC + * ~ + + 24 LM BM /20 DIF ~ T, FULL 4 ~ RI RAPHEGLEPSIS INDICA SPRINGTIME / SPRINGTIME INDIA HAWTHGRNE 18 HT. &SPD, CON ~ ICSj + + + + + + SOD ~ + + + + <oeavo 4 JVB p111t1 HQ HYDRANGEA QUERCIFOLIA/OAK LEAF HYDRANGEA 30' HT, &SPD. CDNT, FULL 3 ITV * 3 ICST ~ * ~ } + + + + + + SJ'PS SPIRAEA JAPONICA 'LITTLE PRINCESS'/ LITTLE PRINCESS SPIRAEA 18' HT. &SPD, CONT. FULL ~ . + + 2 PER UIL + + + + + 8 B'CS - * + + + + + ~ LA-4 PLANTI " 2 B'NS SOD STATE EMPLOYEES CREDIT UMON 1 SJ 1 + + + MC MYRICA CERIFERA/WAX MYRTLE 36' HT. &SPD, CDNT. FULL ~ t ~ * 8D LM BK/50 DIF + 4 B AC 6543 SF 24 LM BM 6 B'CA GRASSES & Z ~ * * 3 RI PERENNIALS ' tl LA- 4 MS MISCANTHUS SINENSIS 'MDRNING LIGHT'/ MGRNING LIGHT MAIDENGRASS 3 GAL, CDNT. FULL SITE AREA •2.50 ACRES/108,903 SF 36 LM'BM' ~ 17 B' ED ~ 7 6 CS ~ 1~ 24 ~ ~ * 1 AB r 24 LM 8M /20 DIF 6 B AC 4 IN ~ ~ DIF NARCISSUS 'ICE FOLLIES' /ICE FOLLIES DAFFODILL TAP SIZE BULBS 10' SPACING 5 ICST ~ ' 5 PV t 5RI 6BCS 3 fN ~ ~ . 5 TN 40 B'JP ~ • S UB PLANTING HS HEMERDCALLIS x 'STELLA D' ORO' / DAYLILY 1 GAL CDNT, FULL 8 ICST 18 SPACING 3 ICC ~ t I / * 1 IG + \ -E \ - 1 I r . 1 IMN ~ \ \ ' 10 IG ~ } 51CC \ * \ 1 81D LM BM LIRIOPE MUSCARI 'BLUEMOUND'/BLUEMOUND LIRIDPE 1 GAL, CDNT, FULL * ~ * * 3 TN \ \ ' 1 \ ~\11 I ii/ * } 3 8'CA ~ ~ 11 SJ PS \ Q~~ \111; ~ °1 ~ .r 1 AB uD ~ e • ~ , SA SESLERIA AUTUMNALIS/AUTUMN MOOR GRASS 1 GAL, CDNT, FULL r, 6BCS ~ .r' / 14BCS 46AC ~ 4 EVERGREEN TREE \ o ~ \ 5 B CA ~ ~ , / SEED IA-4 PlAN11NG i \ \ ~ j/ _ \ \ \ 90 B JP ~ ~~t Id ~ \ o ~ / , ~ 1 * ~ ' 4 B HV ' ~ SOD \ \ e ' \ PS BIORETENTION PLANT LIST 3 3 ~ \ + \ ~ ~ r ~ ~ \ ~ ~t I ~Ir~/, \1 I ~ i rli~~ ~ % ` 12 B CS ~~V i / 35 B JP ~ \ KEY PLANT NAME SIZE (MIN) ROOT REMARKS ' NOTE KEEP SPACING OF PERENNWS CONSIANf. ADJUST _ /j ~ ~ - ~ DECIDUOUS TREE A-4 hMq • SPACING OF BUU1S AS NECESSARY. ~ 2.5" CAL i ~ I ~ \ ii rA I ~ MArcHEO ~ IR 1 \ q B AC AMELANCHIER CANADENSIS / SHADBUSH 12 _t4' HGT. B&B SPECIMEN \ SEED - - \ / ~ _ 2MC \ r _ \ 9 / + / , sT BANS NYSSA SYLYATICA BLACK TUPELO 2.5' CAL MATCHED ~ ~ \ ~ PLANT PERENNW. VARIES, SEE PLANT LI 12-14 HGT. B&B SPECIMEN / l `~i~ THRDUI~i MULCH VARIES, SEE ~ \ I + + / / / 75 B PY rlry~ + 12 MS 1 ~ ~ ~ ~ PLaNt usT M /BALD CYPRESS 2.5" CAL B&B SPECIMEN full ~ \ 21 SA 2 MULCH PER B'TD TAXODIUM DISTICHU 12'-14' HGT• MATCHED / \ ~ SPECIFIGTIONS i ~ ~ ~ qq IP1, `11IN/r ~r ~i : + r ~ II SEED ~ qq IP1 ~ ~ _ o ~ ~~~1 di~i, 6 B~MV a - ~ 25 B'JP M • B'MV MAGNOLIA VIRGINICA /SWAMP MAGNULIA ?'S" B&B SPECIMEN FUU. 6 ROTOiIILED NATNE SOIL z 12 -14 HGT. MATCHED ~ A11El1DED ~ ~ ~ SHRUBS ~ • ~ I i + + ~ ~ //llgll~ lllryq~ + + + S® , 1 B NS r SPECIFICATIONS ~ LA-a SPECIMEN FULL ~ ~ E + ^ + + + I rlr//~Ipl 1~~1~~ 75 B PV ~ B'CS CORNUS SERICEA /RED OSIER D~GW~OD 24" SPRD CON MATCHED ~ ~ \ RIPPED SUBSOIL ~ - ~ i \ X11 rlr + ~ i S® %lr1 I ~ r ~ U 1Ui~ = 9 B CS . P°~ 111 - ~ ~ i~~~ r ~ 30" SPRD SPECIMEN FULL \ THRA ANIFULIA /SWEET PEPPER BUSH CON / ~ 1 B NS \ ~w r~~ ~ _ rr; o ~ ~ IIh\ . O UI~ISNRBEp SOIL / B CA CLE 30 HGT MATCHED \ ~l1 ~ I IrGi = . r, ~ ~y ~ = ' PLANT BULBS AT OEFM B'HV HAMAMELIS VIRGINIA /WITCH HAZEL 36"-48" HGT. CON SPECIMEN FULL ( \ RECOYYENDEO BY NURSERY MATCHED ~ ~ ` \ ~ \ , ~ \ PERENNIALS LA-4 N ~ \ • i ~ ~ ~"1 B PV PANICUM VIRGATUM SHENANDOAH / 4" POT CON SPECIME FULL ~ 10 ITV SEED 19111 !/Ip q~l~\~ , ~ ~ 5 INN I ~ U RED SWITCH GRASS MATCHED f ~ \ ~ \ 9 PS ~ ~ PERENNIAL PLANTING B'JP JUNCUS PENNSYLVANICA SP EN FULL 4" POT CON 10 JVB SEED ~ ~ ~ ~ ~ ~ s UNDERPLANTED WITH BULBS RUSH MATCHED \ \ ~ ~ ~ ~ LA-4 N TS. PlantperennalMdBulb.dwg \ \ ~ \ SEED SEED ~ ~ _ ~ ~ ~ ~o TREE SHALL HAVE SAME RELATION TO GRADE AS R HAD IN NURSERY ~ x ~ .d NEVER CUT LEADER s~ ~a c~ RUBBER HOSES 2 3 UP TREE GUY a / 0~ o~ WIRES W/ TUI~IBUCKLES 2 PER ' U~ 4~-+ ~ RUBBER HOSES TREE STAKES- 2 PER TREE 4-i ~ ~ GUY WIRES W/ TURNBUCKLES 3 3 MULCH , 0 PER TREE ~ P'~ 0 o~ CUT AND REMOVE BURLAP FROM a ~ ~ 3" MULCH TOP 1/3 OF ROOTBALI ~o ROTOI'ILLED NATIVE SOIL AMENDED SAUCER AROUND PTT ° ~ ~ SET ROOTBALL 0 0 AS PER SPECS a~ 1/2-1/3 ABOVE ROTOTILLED NATNE SOIL AMENDED PROPOSED GRADE PERENN THROUGH VARIES SEE PLAN/ P! P.NTLIS? SAUCER AROUND PR DELtiE W/ AS PER SPECS ACCORDING TO PLAN IRRIGAl10N - SCARIFY SUBSOIL SAUCER AROUND PIT SPECIES AND MULCH 3" MULCH 1 ~ CUT AND REMOVE TOP 1/3 OF a D. (DELETE Wml IRRIGATION) DRNNAGE CONDmONS, " CONSULT LANDSCAPE- 2 MULCH PER WIRE BASKET AND BURLAP ~ ARCHITECT SPECIFlCATIONS ROTOTILLED NATNE STAKES TOPSOIL AMENDED AS 3" MULCH 6" ROTOTILLED NATNE SOIL z AMENDED AS PER ~ PER SPECIFlCAl10NS RIPPED SUBSOIL • SPECIFlCATIONS CUT AND REMOVE FlNISHED GRADE FOR FLATBOTiOM TREE ROOTBALLS, II _ BURLAP FROM TOP 1 /3 - - ~ ? RIPPED SUBSOIL REST ON UNDISNRBED PEDESTAL - ~ 1 OF ROOTBALL ~ ~ ~ I ~ ~ ~ ~ ~ ~ i UNDISTURBED SOIL _ I ~ II I MULCH EDGE SET BALL 1/4-1/3 ABOVE - I RIPPED SUBSOIL lA-4 N.T.S. L-DT45-PlantJriulchEdge-Isb.dwg PROPOSED GRADE W/ RESPECT TO I DRNNAGE CONDmONS. REST BALL SUPPORT ROOTBALL W/ ~ I UNDISTURBED SOIL DATE ON UNDISTURBED SUBSOIL COMPACTED EARTH - 4-6-05 -05 = I l~ _ SCALE , I I I ii 1 I N IJII T ~1 I ! 1 =20 20' DESIGNED BY JWS IS ED SHRUB PLANTING RATS VERGREEN TREE PL NTING E 3 PLANTING TREE 4 5 ENNIAL PLANTING DRAWN BY PER ING 2 JP/CP 'CP ~-4 N.T.S. L-DT41-Plant_Tree-Isb.dwg LA-4 N.T.S. L-DT42-Plant-EvergreenTree-isb.dwg lA-4 N.T.S. L-DT43-Plant`RaisedShrub-Isb.dwg U1-4 N.T.S. L-DT44-Plant`Perennial-Isb.dwg CHECKED BY JWS !S JDB 2003-034 -034 20 ~ ~ ~ 20 40 60 SHEET -4 Of 7 SHEETS 'HEETS REVISIONS BY BY o C11 °o c~7 0 0 m~ O M O O m I i 1 1 Lr ) d ~ ~ \ d- Lf') m r- \ \ ~ ~ UN m mm ~ S S ~ d ~ ~ ~ O) S ~ ~ A ra Q L ~ Q~ 0 ~ S O S i a ~ CL Q~ Q~ f- ~ ~ m Q~ N W Y \ ~ y ~ d~ d Q~ ~ ~o ~ r` CL O ~ N r\ d ~(U QJ I~ r3)CU Q' ~ d ~ ~ -d ~ Q~ o ~ M _d CD ~ 1- 0 OJ E-- O ~ X S d U ~ UU X-C d O UU BU END SEC110N ~ pa ~ d S P4 d S 6'-3" S - N LAWN/SOD u ~ ~n ~ Q1 O Ul 0 _ (1) O 0 3 4" 0 REIN. BAR ~ - ~ ~ / Q ~~z 18" LONG 2 PER TOPSOIL, AS SPECIFIED FACE OF BUILDING n CZ Z WHEEL STOP - TYP. UNDISTURBED SOIL e•p' 0 0 WHfTE RNER ROCK AS " wQy' T,oy V~ ~b PRECAST CONCRETE GEOTEXTILE FABRIC, LAP AT TOP SPECIFlED, 4 DEPTH, 1 MIN. o ~t~ ' `W BEAM RAIL ONCRETE WRB AND GUTTER WHEEL STOP, TYP. DIA. % g~' Z 4 U ~ _ j 4 PLAN 67 STONE W ASPHALT PAVING, ~ ` " W ~ 57 STONE, 12 DEEP ~ 4 U ~ 5/8 'x10" BOLT PAY LJMITS 6~ , " TYP. „ 4 POSTS WITH x BUTTON HEAD BOLT 10' 3 -6 8 CENTER 6 CLOSED CORE STACKED TUBE GEOCOMPOSffE ~isi~ iz6 WOOD EDGING, GROUND d,y8 STD, WASHERS f P05T WITH NUT, FLAT MATCH PROFIL STONE BASE, TYP. IN TRENCH (MULTIFLOW OR APPROVED EQUAL). CONNECT CONTACT 0.4, P.T. MATCH PROFILE TO TUBE TO STORM DRAINAGE USING PREFAB ATTACHMENTS AT ' aND sm. wasHERs ' ADJACENT GUl 2 1/4 " RAIL ADJACENT GUTTER EXISTING SUBGRADE INTERVALS PER MANUFACTURERS RECOMMENDATIONS. PLANTING BED 0 o PAN PAN x ,N,~''~ a CONCRETE SIDEWALK " ~P.,~'~NirECr"'",;~Y~' a 6 PERFORATED PVC W/FlLTER ~ dd I ~ ~ a..1~, e: a . SOCK, SLOPE 1/2~ MIN. TO r ; Q C7 N Oi / / • ~ OUTLET. - ~ ~ ~ - = ~ ; ~ co :mac 2 / ~ I w J 8 SOLID PVC BETWEEN DRAIN J; N AND OUTLET 1 c p'' SI93 ' ~ ' , ~''`y a° GROUND z LEVEL - P P.T. 1X2 STAKE AT 4 0 OC. yir yr y, r x - ~ ° X I N~ o - GROUND CONTACT 0.4 t0 Ma GUTTER PAN ~ ~ ~ ~ ' + _ = BUILDING OOTING I M / a 4 - SIDEWALK, TO _ a ~ ° a.. . I-III -I I I a SLOPE TO GUTTER a _ I-I I -III a de a - a 1=III=III I I i _ =1 I - - - -III-III_ ELEVATION 2'-0" STEEL GUARDRAIL 13 . CONCRETE WH - - - .d 12 LA 5 (SIMILAR TO NCDOT DETAIL ~ 86202) N.T.S. L dt COR10GRall_HEN wg W L T P MULTIFLOW DRAIN FRENCH DRAIN ZETE HEE S 0 11 10 0 L-DT12-Pave_WheelStop-Isb.dwg ~1-5 N.T.S. L-DT11-Muftiflow-Isb.dwg LA-5 3/4" = 1'-0" L-DT10-Fr_Drain-Isb.dwg 0 1 2 3 0 1 2 3 0 1 2 3 SMOGTH CGNCREIt DOME FlNISH GRADE 2~-4" ' _ 8' HD PIPE BOLLARD CONCRETE FlLLED ~ ~ DRIVE DRIVE ATM DD NAT W/DOME TOP PLANT NCDOT SAFEiY e ' - PROVIDE 'YAN ACCESSIBLE` 51GNAGE AT e SMOOTH CONCRETE DOME THRU THRU LEFT LANE YELLOW LACATIONS REQUIRED BY CODE AND OR ENTER R " AS INDICATED ON DRAWINGS. "ATM" ONLY EXIT ONLY o vY UTY PIPE BOLLARD A T M 8 DIAMEFER HEA D „ ~ 1i/ CONCRETE FlLLED BOLLARD-PNNTEO MATTE " Yµ TYPE A TYPE B TYPE C \ I ~ o N o . BLACK TYPE D 1 e O ~ ~ I t~ ASPHALT ORNE, THICKEN I HELVETICA STYLE CONCEAL SIGN PANEL AT EDGE OF CONCRETE CTION DUMPSTER PAD SE PAD ° PARKING PARKING LETTERING-REFLECTNE FASTNER ,e ~ 6X6 2.9/2.9 WWF. MIDDLE .i YuOANY WUOYUY VINYL SELF-Si1CK o ~tt P~ ALUM. CAP ENCLOSURE OF CONCRETE PAD, 4 ' - ~ " 2" GALVANIZED STEEL CHANNEL TYP. CONTROL JOINTS ~ CLEARANCE AROUND ALL rl 4. FlNISH GRADE KYNAR COATED ALUM. F(1f;FC ° : Q: • / n~unnrn nn~nr ~ nnrrr r~nm /nnrr•rn , p 1. rini~ntu ~rewt ~ P DEPTH 6" CABC PLUMB TOPSOIL AS SPECIFlED FASTENED TO BOTH ' ' ~ SIDES-EVEN IF COPY IS n t ' I n " O ~ SEE LAYOUT PLAN FOR LENGTH B" B" 1-4 6 I - ~ ~ ° NOTE ONLY ON ONE SIDE) n ~ '4 'D 4 4 90 ~ :p.Q 2. .a•p ~ 1. ALL SIGNS SHOWN SHALL CONFORM '14 'D ~ ~ - b ; TO U.S, MANUAL SPECIFlCATiONS. ~ _ 2'7(2" ALUMINUM SQUARE • rl ~ 11=11 0.0 e o ' ~ III=I I 2. SIGNS SHOWN SHALL BE o , e o - _ ALL O - - =1?1=1I1= IIrIII: -1II III I I= REFLECTORIZED TO SHOW THE SAME , 1 D ~l ~ p~ ~ ~ - COLOR B'Y NIGHT AS BY DAY. ~ FlNISH GRADE . 11-II-II-II-II-ii-II-I 1-11 I-II-II-II-II-II-II \ ~.p c:^p .III=1 I I=1 I I=11 I=1 I I=III=1 I I=11 I=11=1 I I=1 I I=1 I I=1 I I=111= I I=1 I I x-1=1I 1=1 I I I I1=1 I' ' ~ ~ ~ > I I=III= 18 SQUARE CONCRETE FOOTING ° - = UNDISTURBED SOIL !~M ASPHALTIC COATING ON - --L M 1..6,,0 0 X11=III-III-III-III-III-III-III-III-III=III-III=III=L=III , I ~ ^ ~..'I~ o ~ I ~ I-~ 3. ALL SIGNS SHALL BE SECURELY -~'I I=) I I- _ _ _ _ ~ - _ _ = r MOUNTED ON GALVANIZED STEEL ALUM. BELI]w GRADE ~ 1, II, II~III II III ~,II I_~III III II III ~,II U -III-1 ~ 1-I ~ I-I ~ I-I ~ I-1 ~ 1=1 ~ 1-I ~ I-i ~ I-I ~ I-I ~ 1-1 ~ 1=1 ~ 1=1 ~ 1=1 I N " o. p~ p- p o e o 0 '-1 I I=1 I I=1I I=1 I I=1 i t=1 I I=1 I I=1 I I=1 I I=1 I I=1 I I=1 I I=1 I I ~ I-1 I I_I I I I_i ~ I_1~_I I I f_I CHANNEL POSTS. N -III=1 I I=I . _ _ _ I -1 I I-III-1 I I=1 . ~ I IL,,IIi~ III-ICI-ICI ICI I ~ =III- _ ~'p -'p 'p ~ ~o._ ' ~ ~ I I=I 11= ~ I.I I I I I-1 I I_ ~ I=1 I I I I-1 I I. o w ? ' ` ' ' 1.~ _ _ =III=1 III=~ :I ~ I=1 III=~ a ~ I I i l 1-111111=III-III - -11= = I I-1 I I-1 I ~I 11=1 I I=~ 11- o , Q.` e j' ,III - - - 4. INSTALL QUANifiY AND AT LOCAIIGNS ~ ~ ~ Q 1 1=1 I I 11=1 I I 1=1 I I 11=1 I I~ ~ ~ ~ ' - ° I I-) I :III=1 I11= =III=1 I11= REa~IRED BY CODE AND OR AS z ~ 3 -4 CLEARANCE ~ =III II II=II I=III-11I III-111= " ' p-. . , , ° p .~1~ - - -I - - -I / z ~ o ~ ~ ~ o ~ III= -III=III- -III=111- INDICATED ON DRAWINGS. CONFlRM ALL - ~ ~ I I=1 I I=1 I I-1 I I~ I I-1 I I-1 11= FACE of CURB s N o 0 I I i t-1 I I-1 11=1 I I III- ' I' 24 DIAMETER CONCRETE ' I 1-1 11=1 I(=) 11=1 I1=1 " ' ' I I=1 I ~ ~ ~o F~DTING "-I ~ 1- ~ 1 6 111= NOTE THIS DETNL IS FOR BOLLARD AT HANDICAPPED SIGNAGE CODES. 3 SQ ~ 1'-6" REAR CORNER OF BUILDING ONLY VAN ACCESSIBLE STANDARD SIGN Iz SIGN fO ~ ~ ~o N = TION 2'-a" DUMPSTER PAD PLAN DUMPSTER PAD SEC FIXED BOLLARC DUMPSTER PAD SEE LAYOUT PLAN FOR LENGTH $ 9 HANDICAP SIGN DIRECTIONAL SIGN BOLLARD b ~ s M 1 M ~o LA-5 1 2"=1'-0" L-DT09-Pave_Dum sterPadStd-Isb.dw LA-5 3/4"=1-0" ~ / P 9 p L-DT08-Bollard_Fxed-Isb.dwg LA-5 1/2 =1-0 L-DT07-SignJ~andicap-Isb.dwg LA-5 NTS L-OTO6-Sign_Direction-Isb.dwg cC ~-I 0 1 2 3 0 1 2 4 0 1 2 4 d] ~ U~ 4~ ~ 6'-0" SEE PLAN 6'-0" 4-i ~ wauc • P"I ~ ~0 IXPANSION JOINT ~y JOINT SEALANT PITCH TO DRNN ~ SAW CUT ~ o 4 BACKER ROD ROD ~ ~ IXISTING ASPHALT 0 0 WIPE DOWN CUR ~_5 FACE OF CURB COMPRESSIBLE FlLLER- ~SIBLE FlLLER " a 1 -0 1:12 0 ° . ~ TACK COAT GUTTER ~ AN I ° o ; Rt 2" 6" 2'-0" IXISTING STONE / " BASE - - - - - R 1/4 IXPANSION JOINT SPILL CURB t IXISTING SUBGRADE ~_~-~.r__rr~-err=->~~r=7_= _ ~ ! Z - TYPE 'A' ~ ~ -I I I-I ( I-I I I- I I-I I(-I I I I I I--I I-I I I-I BROOM FINISH 2'-6" - ~ ~ I=~ ~ ~ ~ ~ ~ 1= _ _ _ _ ~ ~I~ EXPANSION JOINT - 6'-0" 6'-0" 6'-0" CONCRETE CURB CONTROL JOINT SEE SPECS 2" (MIN) CLEARANCE - - - - - - - - S SECTION A-A FOR JOINT SEALANT TYPE AND GUTTER EXPANSION JOINT 6X6X10X10 WWF _ FlNISHED GRADE AS SPECIFlED _ - - - N ~ A ASPHALT PAVING, DEPTH AND x ~ - _ N - - _ TYPE AS SPECIFlED PITCH TO DRNN ~ 1=1 I ~ i=1 I I=1 I I=1 ~ ~=1 I I-I . s . 11=1 I I, x COMPACTED SUBGRADE ~ I= FACE OF CURB -1 ~ ~ 1=1(I=~ 11=~ ~ I=I 1 1= 11-i i 1=1 I ~=1 ~ 1= ~ ~ STONE BAS DEPTH AND TYPE I - _ _ _ _ - _ _ = I A 1 . DATE -1 I I-III-I (~-I I I I-III-III-I ~ I-~ 10 -0 MAX. AS SPECIFlED 4-6-05 =i I I-~ ~ ~ ~-1 ~ I=1 I I. ~ ,III-1 I 1-1 BETWEEN JOINTS 5 GUTTER PAN 3'-0" - 1:12 1:12 ~ ~ SCALE AS SHOWN NN FRONT VIEW DESIGNED BY t TJS DRAWN BY ELEVATION TJS CHECKED BY JWS ~oB ~ TYPE 'B' 4 2003-034 34 o _ WIPE DOWN CURB LA 5 SHEET a ' CONCRETE SIDI WIPE DOWN CURB HANDICAP RAMP ~ 5 4 3 CONCRETE CURB AND GUTTER ASPHALT PAVEMENT TRAN ITI IDEWALK S ON _ ZETE S 2 1 5 ~ LA-5 1/4"=1'-0" L-DT05-HandicapRamp-Isb,dwg LA-5 1/2"=1'-0" L-OT04-Curb_WipeDown-Isb.dwg lA-5 1/2"=1'-O" ~ L-DT03-SidewallLConcrete-Isb.dwg L.A-5 1/2"=1'-0" L-DT02-Curb..AndGutter-Isb.dwg LA-5 3/4"=11-0" L-DTOt-pavAsph Trans-Isb.dwg 0 1 2 4 0 1 2 4 0 1 2 3 OF 7 SHEETS 0 2 4 8 0 1 2 4 0 TS REVISIONS BY BY PIPE DIA° Vq~ 1. EXCAVATE A 6"x6" TRENCH ALONG THE 2, ATTACH WIRE FENCE (HOG WIRE) TO THE a6(jr LOCATION OF THE FENCE. DRIVE POSTS POSTS AND EXTEND TWE BOTTOM 12" INTO lQ 18"INTO THE GROUND ON THE LOWER THE TRENCH. SIDE OF THE TRENCH. . ,r~ PROVIDE DRAINAGE AWAY FROM THE JJ~J~~1lJJ +^~`"'~,~~„w'^ r/ EXIT LOCATION TO A SEDIMENT- % ' °,c RIPRAP ~ / -I , _ ~ - TRAPPING DEVICE. ~ 3 .y„r> il' M III- =1, - =1 =III= I"'u:+:°'' iii ~ \ ' / o° M -III- - EXISTING PUBLIC ROAD OR _ =1 ~ _ -I' I-III-1 -III- OTHER OFF-SITE PAVEMENT. LOAD OR KEEP A BROOM AND 0 0 PAVEMENT. SHOVEL CLOSE TO THE ~ 0 0 m _ I-111_1 I-111_1 EXIT TO CLEAN THE v ~ ,r N~,,jr", I . Lr) d' LO - - =1 _ = I i- / _111_111_ - I=111_1 STREET. ~ ~ rn ~I I I.I 11=' ' =11 I-1 i I-I''~ ~ 1-III=III- = 111-111_=' GRAVEL EXIT ~ TYPICAL CONC. ~ ~ ON m .--T4 .T-~ V • V FINISH GRADE I HEAVY DUTY COVER" 0 - 1=111=1 I ~ I=111=111- WITH LETTERS C.O. - - _ ~ ~ - _ 50' MINIMUM FLARED END ~ SECTION ~ ,,...^':~,rr ~ S S CAST. =1~=1~1-I ~i=~1=~1 ~y ~ 12~ MINIMUM ~ ~ ~ E: O) I ~=1 I =1 I I=1 ~ I; ~ I i I I-1I I-' .,4 . i . L s~ _ ISOMETRIC VIEW ~ ~ ~ S ~ 10 1 " -I1~- A A A ADJUSTABLE HEAD 4" MIN. CONCRETE 3. ATTACH THE FLTER FABRIC TO THE WIRE A A A A L. ~ ENCASEMENT FENCE WITH STAPLES AND EXTEND THE 4. BACKFILL THE TRENCH AND COMPACT THE BOTTOM 12"INTO THE TRENCH, USE A EXCAVATED SOIL TO SECURELY ANCHOR 0 ~ s O C- CLEAN OUT SERIES 58310 SYNTHETIC FILTER FABRIC. (DO NOT USE THE BOTTOM. 'L a ~ 0- CD MADE BY JOSAM THREADED CLEAN BURLAP!) MANUFACTURING CO„ OUT PLUG a, ~ l5d F- OR APPROVED EQUAL NOTE: THE EXIT NOTE: THE EXIT LOCATION MUST SLOPE AWAY IT IS ADVISABLE TO PROVIDE A v W ~ WITN TAT SCOR ED COVER AND BRASS ENCASE IN CONCRETE FROM THE STRE FROM THE STREET OR STEPS MUST BE SEPARATE ENTRANCE TO REDUCE ~ 2500 PSI MINIMUM ~ = TAKEN GRADIN( INTERNAL PLUG, - ~ , PREVEN RUNOF TAKEN GRADING DIVERSIONS, ETC. TO TRAFFIC ACROSS THE EXIT AND ~ PREVEN RUNOFF FLOWING INTO TH STREET. WEAR AND MAINTENANCE. -=I ~ 1= _=1 11= N , ~ __I 11- 12 ~f~: I i-111=~ I I=11 I=1 i do =PIPE DIA ~ .f. - ~ III _ I-111-II La =APRON LENGTH 45' BEND - - ~ = 1 I - ~ I~ ; _-III-III- -111-III W =APRON WIDTH ~ 3 X PIPE 0 MIN W ~ I=III=111- o~ - - - d =APRON DEPTH PLAN ~ y L FOR PIPE SIZE AND :w ~ - ~ (=111= I I - I I-11 I- I I ~ ~ Q~ ~ d. o CS Q, 0- o MATERIAL, REFER TO ~ y ~ _ - = i'. ~ GRADING PLAN, ~ h~ Y;" I =111-~ EXTENSION OF FABRIC AND WIRE I (=1 I-~ , PLUG, DEPENDING -1 I ~ ~ v ~ _d ~N t' ~ . ; : ~ ON LOCATION INTO THE TRENCH, -1 11- 's; 8" LAYER OF 2-3" WASHED STONE SLOPE 0 % FLOW Q. r. ~ ~ ~d~ Cl)~ SYNTHETIC STEEL POST o 0 i. FILTER FABRIC , ~ " „ry S~ 1, ',tip ~,~i 00 00opopo00000000o w~'~'~r~.~~s~>~,a~w.~~~ ~ ~5..~ a o 0 0 0 0 0 0 0 0 0 0 0 ~ ~:w~a" ar +~5,~ ~'~„a 1- 0 O F- O r ~ 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 , I, ~ ~ ~ 1~ L XS d BACKFILL " " HOG 'MRE 1 . r id^^ p UU (NOT CHICKEN WIRE) d :F' d S d S SECTION A-A s • v Q) -I-' 0 LA L ~il~iii T~i I l i ~ I I I I i T~ ~ Filter blanket U 0 U1 L 8 FOUNDATION OF COMPACTED ~ , ~ p CRUSHER RUN STONE q ~ ~ z N O ~7 m - NOTES: ril z AN ACCEPTABLE ALTERNATIVE TO BURYING THE BOTTOM OF THE SECTION "A-A" 1. La IS THE LENGTH OF THE RIPRAP APRON, Q,p• wyb Tlpy e ~ e FENCE IS TO LAY 12" OF THE FENCE AND FABRIC ON THE GROUND 2. D = 1.5 TIMES THE MAXIMUM STONE DIAMETER BUT .a NOT LESS THAN 6" ~ a AND COVER tT WITH 6" OF WASHED STONE, BUT NOT JUST STONE. N ~ Y a ~ z a x 3. A FILTER BLANKET OR FILTER FABRIC SHOULD BE INSTALLED ~ ~ " ~ ~ ~ a BETWEEN THE RIPRAP AND SO1L FOUNDATION. 44, e pd 1S17~1 e i~g 0 q~~ t', ~ 2 3 II h NTS LA-6 NTS LA-6 j1,° °.°1111' ,,~I NTS ~ LA 6 ~ , ; m LA-6 NTS Q, 1r ~ : J, ~ ° ~ a . 0 . Gam,` ~N 0 STANDARD JOINT FILLER STD. CONCRETE FINISHED GRADE Q+ ~ y 4~x.~"@..f~ x`: ~F i, °~.',~uc,'1ek' y:°n°^ .abr ^^nu ~P Ii r NEENAH CURB INLET FRAME GRATE GUTTER CURB BOX (CAT. # R-3246-F) ~rj' m vi 0.C ~ c~ a 2rp ~'i^a°Yy'•~0y~u+` :oy~a ,°6°i'''eu"^'~~ ~ `t 'vy,~'~ `fir ~ , ,.a° A Y Y° ,¢tr A f n1 n~ry~R MA"•r 7^~xq Mgr°^ "CS 0^~IFn~t~,' /~J1 ~pp~~ i~Y^ V, 5 r bt,1 ~'~0~y~'t ,'tr. u~r^a "Nr;~~a .A` r y~9, 'f ~y~u ~aF nA aR MP~M'~ ~~'c 4~ ,v , A , ,',~~'1 Q ' ~ ;~°+°"a°°i a1 nr uy"F I~r ^Fr11t~e~" ~ ~ , e'' t r+' , ' ~ , v oe ~ , ~a Q 'a~.R ~,~d ~ e a . 0 a STEPS PER NCDOT STO. 840,66 '''~~~~'1;.'d'In~!°.q^.,^q+c ~r o„G°"^,°oErnl+,,aa ~~yy ~ V w„ . ~ W x aJ~' C~4 n~a. i"br~ ~~a Q~i e4 i.'r,y~' i b1`~' "~^d a ~ ,9(°y e1 Z I~ 4QQd ~ ~°91 ad ~ e O o~ ~ ~ 0 0 p4 c~ +p ~4 a+ ~ MOLDED FIBERGLASS a° v p v i ENCLOSURE :^f°s°:,^F^~.~°>~s^,~^;~°a~s;~~~r~'~ UNDISTURBED SOIL I` ~a dQ P V 4 TILE DRAIN ~ ~ ° . aCQ SEE NCDOT STD, AS REOD, 840.02 FOR (PVC SCH. COARSE uea c.n ° w° r. TRANSITION FROM 40) STONE ' 24" TO LARGER 1~ 8. -mod p BOTTOM DIMENSION 4 d. y ' , ~ SUPPORT 3" AND LARGER v ru' ka o cc N;~ ~~yW So r" ..~f,•FS ^R m~x',f °e° ti'r•,~ ~ ~ YY y~rt~,v ~ co ep tt9 24' SAS:, '+^ae.,c';~~~' d1 60" MAX: POS!T!1!E DRAINAGE 12" MIN. TWICE THE SIZE OF RPZ, ~•I „i:~"Y,c 4°P i$n°S oa ,,n"` ..k°"~ ~ w V Q .Mi O CorJ ,d PRECAST CONCRETE Q 6 (3,000 PSI MIN. 28 PIPE O.D. + 6" DAY STRENGTH) PIPE aD. + b' MIM. a , v a.~ , , ~ ~ , y ~S ~,v~.^. °z by N~.. ~^a~„a~:. ~l Y'y~p ~ y~ Z W O /.~i W CO ~ ~ IF IN IS WALL ,d,; ~ ;,a, „ , (24 MIN.) ~ MIN. W ° W ~ ~ ~~P ; 8~='^.,"" ~ ~ IN 6" LIFTS BACKFlII, aa0 I.., p hd'' a.a ,4 ,N~u~ ''S. as ° * '+v1 Via' ~ b 99 TAMPED ~Q° n ,d a ' FlLLET TO 1/2 2 ~SRe°~ 9 f "F Y'VS 3 °i 9 F ° n ~~a' ' DIA. OF PIPE ~.rn 4 a'„ ° ~ <~a .a ~~b. p m ~ 4 d ~ y ~ ° ° VAAIA9LE ~ ~ , a ~ 4 UNDISTURBED ^ ° ^ ° , , . ' 1 MINIMUM SIDE SOIL s a ' ' 7 STONE " " ~ . ~ , s ~xy4 w . ' 4 ~ ROD BACK TO VALVE y ~ 6 O,D, OF PIPE 6 CLEARANCE , „ ° ^ WHEN ROCK p ~ ° Y^°°° sd r'~, ~ , ~ 'a 1~'4, 6' ' r,' 4y't ri ~ ,w, ~ N ~ OR WATER IS PIPE w~ kro w ~rt'7 .9 ENCOUNTERED ,~:~.u~.~.~.~;° ' ~ FOR CAST IRON PIPE ~ ~ I ~'-e' MIN. sECnoN I ~ I I VERTICAL HEIGHT TO d _ _ ~ ' 0 NIA ~pNp~j~ ALL ABOVE GROUND VAULT5 MUST HAVE ADEQUATE DRAINAGE (TWICE THE SIZE N~TES~ ONE SIXM N0. 87 ; 3" MINIMUM ~ OF THE R.P. OR EQUIVALENT ) 1. Trenches r uirin shorin and bracin ,dimensions shall be ~ PPE' z, ~0,~ ~ ecl 9 9 9 6" OF PIPE 8' NOTES: 1. PIPE 0.0. SHALL REFLECT iNCREASEO DIMENSION FOR SKEW ANGLE OF PIPE Q, R.P.'s MAY BE LOCATED IN BUILDING PROVIDED THERE IS NO OTHER UNPROTECTED taken from the inside face of the shoring and bracing. 2. USE A NEENAH TYPE 'A' BICYCLE SAFE GRATE, OR APPROVED EQUAL. TAPS BETWEEN THE MAIN AND THE BUILDING. 2. No rocks or boulders 4" or CLASS C ~ ~ • ~ 3, EXCEPT AS NOTED HERE, CONSTRUCT THE CATCH BASIN PER THE STANDARDS OF NCDOT STD. 640.02. 3, ABOVE GROUND INSULATED CAN BE "NOT BOX " OR EQUIVALENT larger to be used (n backflll. • ~ ~ r~ (ORDINARY BEDONG fOR R.C. PPE) FOR YEAR ROUND USE. 3. All backflll material shall be ~ O 4, IRRIGATION R.P.'S THAT ARE REMOVED TO PREVENT FREEZING IN THE WINTER suitable native material. MONTHS MUST BE CAPPED OFF, 4. Backflll shall be tamped in 6" lifts. 5. Achieve 959 compaction in 'b V backflll. O d' 7-A 7-B ~ 5 6 0 - LA-6 NTS LA 6 NTS LA-B (FOR 24" CURB AND GUTTER) NTS ~ 6 NTS S o z a~ rI ~ n CIA 0 U a~ U V1 ~ • ~ ~~i ~ ~L p y.s~ n ~r . 8+rrw ~ d`?t~~~v~^s~Vl:..~}~dh~~i~+~n ~ 6' TYPICAL p 4~~~;; ~ ANHOLE STEPS r~~;y~~,"~ " " ANHOLE STEPS ~wtiy,~ ~r 8 TO 12 12" SPACING ~ 0 ,ye ~ P. ~ r6 pf O 2' MIN. ~G '~~F,`~',; , rc, 1~A, a kd 9 G ~~~0 ,,.'y '.,h;,'.w,~' 01~~'~ . >e x~ , , ~~~Q~~C~; ~~Z!,+, ~ 18 MIN, cLO~ `G'~~'~'Q ~ STANDARD ~ ` ~ ~ ' w~ 3 PIECE TOP, CENTERED a~~ zr,"~ FLOW DIRECTION m ~r~~ ~ OVER METER. FLUSH ,~k`>~ „ ~H ';~,s WITH CONCRE TOP). ,'~"`~Ir;~~~t 1 I 1 m~ I 5\Q`\~F - - -m - -III-I I I'_~ _ _ 1,5" ~ R III - - - Ott \P9 b ro~~k~~{ a ~w ~ M "4°iuw~ t ~~5, ~i+( g h ~ ,r~~5'~~~~s P' a~ ~ ttta Y ~,gWrx ~g,?~` j~~zaa~ ~,~i~ 4" MIN. - - -i~ -1Ti-11~-~f ~f ~f -fTf 111 -~f ~i 1>1 >lT 111 ~ ffi J ~iid~r. ~p'~b.L°:w%,F}~; f;+,..t; ~;5~ .fl~r.,r"~:~`~k.~C ;fit ,r ;.1~kh,.cn„ait.S.~'rnw~~~r~",, wr~i .,~'.'i~,9wd~J~s~~4 re:J~.7~„.'~'i~ ~ =~T~ ~ ~ ~ ~ ~ ~=~T~=~-III-~ ~ ~ iT~= 7" MAX, 5,5" MIN. 4" PVC DRAIN ~`i7 STONE OR CONC. BLOCK, AS ELEVATION DIRECTED BY THE ENgNEER. NOTES: 4'-0" PLAN VIEW i+i WIDTH AND DEPTH OF CONC. VALLEY ~ GUTTER MAY VARY. THiCKNES OF i -SEE VARIOUS METER DETAILS FOR VAULT DIMENSIONS 2 - 4" DRNN TO EXISTING DITCH, OR STORM DRAIN -APPROVED BY THE ENGINEER. o CONCRETE SHALL BE NO LESS THAN 3 -ADJUST INTH CONC. BLOCK TO FlNISHED GRADE IF NEEDED, BLOCK SHALL PRONDE N 5.5 INCHES AT THE FLOW LINE, AND ~ NO MORE THAN 7 INCHES AT END. SOLID CONTINUOUS BASE. 4 -NOT ALLOWED IN TRAFFlC AREAS UNLESS PROTECTED BY BOLLARDS. 0 DATE a 4-6-05 )5 J Q 9 SCALE ~ 8 0 1 -20 m' ~„A-~ NTS LA-6 NTS NTS ~A-6 NTS DESIGNED BY BJ DRAWN BY g TH CHECKED BY •a s~s MZ 7 i0 Jl7B ~nn~_n~ti 0 M SHEET Q m m 0 J m N 0 I g OF $ SHEETS :TS .o a X REVISIONS BY BY z DIIJENSIONS AND CONCRETE QUANTITIES FOR ENDWALL RQDS IN FLAitED END SECTIONS END SEC110N DIMENSION,4 F ~ 91RAIpiT E1OWIIt18 ~1~ ENDNNI9 PIPE REINF. ~ d DIA. N0. & DIM. OF RODS LBS. FABRIC DIR. A 6 C E F = ~ _ ~j o1A. r o N K L YD3 G H K L YD3 12" 2- x 4'-0' SIDE RODS 3,008 18'-2 t x W1.7 1Y 4" 2'-0' 4'-0 7 b" z'-o a-o 7 0 o a z CARRY RIP-RAP UP 12 1 7 8" i-2 i-8 0'-9" 4'-4 0.09 1'-0" 1'-B" 0'-9" 8-4 0.19 1b' 2- x 4'-0' SIDE RODS 3,008 18'- x 1 x WI.7 1b" 8" 2'-3' 3'-10' -8" . B-1 a z = _ -SIDES OF SPILLWAY 18 1 7 8" 1'-2` 1'-8" 0'-9" 4-10" 0.10 1'-0' 1'-8" 0'-9` 8 -10 0.20 18 2- x 4'-0' SIDE RODS 3.008 18'-2 1 x WLT 1 9 2 -3 3 -10 -0 8 -1~''~ U d O ~ F~ 18" 2" i -5 1-9 0 -11 b -10 0.18 1- 1-9 0 -11 - 0.26 24" 2- x 8'-0" SIDE RODS 4.512 24"-2 N'Z x Nf2.9 24' 9 1 2" 3'-7 1 2" 2'-8" 4'-0' 8'-1 1 2" Id- ~ W 24 2 1 2 1'-8' i'-10" 0'-11' 7-4' 0,21 i'-5" 1'-10' 0'-ii" 8'-9" 0.32 30' 2- x 8'-0" SIDE RODS 8.018 30"- W4 x W29 30" 1'-0' 4-6' i'-7 3 4" 5'-0' 8'-1 3 4' ~ ~ Z Q o cu a CU 30 2 3 4" 1-11 -1 1-i 8 -10 0.30 1-8' 2 -i i -i 10'-0' 0.44 38 2- x 8'-0" SIDE RODS 10.688 4Y-2x8-W4 x W29 38 1'-3 5 -3 2 -10 3 4 8'-0 8 -1 3 4 O 0 ~ ~ ' o t~ / 3, ~ o o M 0 0 3 2- - - 38 2- x 8'-0" SIDE RODS 8.018 42 1-10 8-3 2- i -8 8-2 Z • N 3 MIN. 38 3 2 5 1'-3 10-8 0.44 2 0 2-5 1-3 11-4 0.58 1 8 ~ 5 42 3 1 2 2 -9 2 -11 1'-B 12'-N' 0.71 -8 2 -11 1-8 12'-4 0.91 48 2 -1 8 -0' 2 -2 -0 8'-2 W d ~ ` ~r~ • I U err i 4"' . 48` 4" 3'-4 3'-3" 1'-8" 13'-8" 0,98 3'-0' 3'-3` 1'-8' 13'-4" 1.17 w #1 RIP RAP 7`I' ~ o ~ti!~, 1 FREEBOARD MIN. ti,;,.ar s'~~~' ''iit~;r ~ CONCRETE BLOCK ~ ~ mot- Lf7 GENERAL NOTES: r.:-o. 4; ~ F0~ ~ DEWATERING ~ ~ ~;il;~~ti~~a~ CTN Cs END SECTIONS TO BE USED ONLY WHERE ''ti'' • u, K SHOWN ON PLANS OR LOCAl10NS AS S E _0) C5 a I TH O i' H N 8 D RECTED BY E ENGINEER. ;a,~;;,~ ~ H~l~ UB E D ON OUTLET END 3 MIN. , „ S ~ SECTIONS. SPIGOt END ~ S~Op ENDWALLS TO BE PLACED ON FLARED ENO V " •=~?;~N,~'~.; " / ~~~~~",mac"'~h.,,-~;;,,.u ~ , ~ o S' :3 Q: Q ON INLET END SECTIONS. F 3 SLOPE SECTIONS OF PIPE ONLY WHERE SHOWN ON W ~',i"'.,"",~: ,y, , • .l • PLANS OR AS DIRECTED BY THE ENGINEER. N ~.;~!1 .r..' A FL 'FV l1; 1'.. a. I;C 'R ~~~Y~"~ ~ ~ 1.1 SLOPE w..;}~~;' . „ ,3a; O X _ 2'-0" X ~ ,4,,~,,rv,., ALL CORNERS TO BE CHAMFERED 1 . ~ ,~a~',~'rr,,~,, u;:,;:.~;Cnu ,r,,r, ~ CONSTRUCTION SPECIFICATIONS o ~ s a CU w NORMAL FILL ~ Z ~~~F'3, .tia~.~,„_..,,; ~ SLOP FLARED END SECTIONS ARE NORMALLY , 1. LAY ONE BLOCK ON EACH SIDE OF THE STRUCTURE O° ~ 0 ``~....r F- a I- - - E USED ON PIPE WITH SKEW ANGLES BETWEEN ~ W 3 MIN, tL ON ITS SIDE IN THE BOTTOM ROW TO ALLOW POOL 75 AND 105 DEGREES. ~ ~ STEEL BACK RO CULVERT Z W DRAINAGE, THE F N ° ° ~ \ OU DATION SHOULD BE EXCAVATED p 0 Cn ENDWALL END SECTION ~ W SECTION THRU BERM & FILTER ~a AT (EAST 2 INCHES BELOW THE CREST OF THE STORM 0 0 0 ~ ~ TER ° °e ~ ° m oe~ P E R S P E C TI V VI DRAIN. PLACE THE BOTTOM ROW OF BLOCKS AGAINST ----~""'r ~ ~0 0 0 ~a~Q~~ - ~Qa E EW THE EDGE OF THE STORM DRAIN FOR LATERAL SUPPORT - ~ PLAN L PE DETAIL EDGE OF SURFACE 0 R 6'~ AND TO AVOID WASHOUTS WHEN OVERFLOW OCCURS. "----"-~~,,,,,i p~ 1. ~ CARRY RIP-RAP UP IF NEEDED, GIVE LATERAL SUPPORT TO SUBSEQUENT - _ O ~ ENDWALL qR~q ~ MIN, MIN. SIDES OF SPILLWAY _ ROWS BY PLACING 2 x 4 WOOD STUDS THROUGH 2:1 SLOPE, GRAVEL FILTER m a~ QW~ ~.s4 F p I"' ~ P B BLOCK OPENINGS. ~ BAR OR \ ~N Z W 0 OF ERM Q 2. CAREFULLY FIT HARDWARE CLOTH OR COMPARABLE TEMPORARY SEDIMENT W ~ y STEEL FABRIC F- ~ TOP ELEVATION OF STORMWATER STORMWATER 1' FREEBOARD MIN. WIRE MESH WITH 1/2-INCH OPENINGS OVER ALL POOL IMRE SCREEN \ i ~ ~ Q~ d Q,~ REINFORCEMENT 3:1 SLOPE N V N ' F TOP OF i LOOD STORAGE ZONE Z Z STORAGE ZONE #5 WASHED BLOCK OPENINGS TO HOLD GRAVEL IN PLACE. _ _ _ ~ :''a~~° 1 MAX ~ _ d o "',~w, STONE „;~tyd°~ 3. USE CLEAN GRAVEL, 3/4- TO 1/2-INCH IN 'I,,:', , ,y ~ h CD C B SLOPE ~ ~ Q ~'r~~~=~, r~ J ~"°•`'%'7~ 4' MIN, 3' SEDIMENT STORAGE ZONE Ti '.1.~~. ~1 ,,y, 1 ~,,,,1, y„y,, ~y' r•~ DIAMETER PLACED 2 INCHES BELOW THE TOP ' I'' ~ ~ h 3 MIN. ~ 1' MIN, ' ~ " DIAMETER OF CULVERT ~ C7 V ~ Z ORAGE ZONE TOTAL BASIN CAPACITY w,c'~ OF THE BLOCK ON A :1 16 ~ N ( ) , ; 2 SLOPE OR FLATTER AND 2 MAX, ' r ~ ' ~ , ~r~'"; SMOOTH IT TO AN EVEN GRADE. DOT #57 WASHED i; '`;''~'ti' 4:~';~'',~, 1'` ~ h ~ ~ cU ~ ~r ENDWALL c~ W 1.5 MAX. SEDIMENT DEPTH d d o ~ :DIMENT DEPTH ._'~'~;a~ ' j"' ~ ~ C ~ ~ , u' ;,,,'r ~ d ~ STONE IS RECOMMENDED, co _d ~ ~ W #1 RIP RAP ~il~~~i _ 7 i r„°: 0! O ~ i,~ ~ i ~ i DEWATERING S. N ~ 0 o C5 ()jH O R - I- _ _ 15' MIN. - • 15 MIN. 1' 8' MIN. ' :.i. i- ~ r ~ w , : ~ ~ = 6" STEEL SIDE ROD K co G E G ~ \ O MAXIMUM MIN. i~ , ...:!I,:.::.;~~.'.1,;,~;M S d XS d p UU LEVEL OF SEDIMENT COLLECTED. \ 2'-0" 1'-6" CLEAN BASIN WHEN THIS LEVEL IS REACHED _ ( dS F L Z \ \ S ~ N -N ---FLOWLINE w SECTION THRI ON TI~RU BASIN 8c FILTER `'t'~,r, ~ ° ~ s. . ~ o U) L _ (U O SECTION X-X FRONT ELEVATION a_rYz CL rV Z • PLAN IN SKEW SHEET 1 OF 1 P •A' wQy ~ TIgy 310.01 r • • H ~ s c Z z a ~ ~ S a r 6 4 4 ~y ~lSI~ ~ a~~e o • 1 2 3 pt~ ~~rb ~i LA-7 NTS L,A-7 NTS `a NTS y' • m' a~~ ~ 'r ~ . r e- , TYPICAL MH FOR STORM SEWER ~ q V1 PIPE SIZE MH DIAMETER 12-24" 4'-0" s1Ea FENCE Posr 30-42" 5'-0" A FENCE 48" 6'-0" HARDWARE C10TH n , n "y 54 8 -0 v. Q,. =.J FlLTER OF 1 dA. WASHED STONE t,~ • FILTER FABRIC STANDARD MANHOLE a oN aCDUHO B RIN AND C A ao 0 0 ^ `"a G OVER E..~ U ~ 0 I~ r~yy~R~ ~ 1 .F~.rt !h ~ a~~ .v a ~ v '~a.~f ~ i Ada ~~q:' zl ca 2''r ~ f, ~"';~.a z ~ j . 's k d~ ' >1• I~ BURY WIRE FENCE AND ~r':"~ ' " ~ ~ ~ e ..u~" 5 SECTION 0 ~ ~ p HARDWARE aDTH ~ra ~ ~ ~2 a I0 z "gig: H x„. Qua w ~.r ~ ~ K~ f ~ t~A= ~V a ~A rS feu d~ 'S{"; a i R~ > a~ N a,a*'a w ~o co FlL1ER OF 1` DIA. 'IS x WASHED STONE a' _ ' w °o °o to c q* 0 ~ -0 0 5 -0 a ~~m O M ~ o'l i a F i "~c ~ r c e2~ ° .~«p'~ R-3 MIN. o~M Phi t. ~ ~ r^ 4 00 5-0 we 6 THICK UP TO ~ a ~ 1 , P ,w a~ SLOPE ~ 1/4 D MAX. . U' U1o.~+ F SLOPE ~ 2 DEE H ~ 45 ~ T " ~ .z:. j ~ ~ C "p~^~ g" 12" C 12" THICK OVER o . 1, z~ W IL'i f~+ v a~ w`.v... 3~{' 'r A : tt~ Y ~`.{i{ .t"~"' / 1 uy,7 t ~ ar,~r,~S~r 12 DEEP rP e'0 n 6 n ~,w s~C.r FENCE 1,° ~ "w. --I 6 W a..~ s' n 6 F- END OF .,a, , ,~s„ a~y;,w a x a PLAN VIEW 3000 PSI B 3000 PSI CONCRETE A 4' MIN. SECTION A-A GROUT a n n n n n SECTION B-E3 'r. pp 6 'h"~';~"' 0 D v x . ' ~ \ OF SILT tElICE ~;a / \ MUST BE AT LEAST " a ~ ~ ~ NOTES C~ t ABOVE 1NE TOP k'. ; 4. , G' ; ' ~n ~j~` u.b; / ~ ` ~ 1 DEPTH MEASU ED FROM T P OF of 1HE wASNED ~ • ; ~ ~ ~ ~ ) R 0 sTaNE ' ' / ~ CASTING TO INVERT OF MANHOLE. w a~ ~ • ~ "R"' "'"~y , .N~ ,A ~ ~ 2 PRECA T MANN MP N N H . ~..r ~ r---I ~ ~ ) S OLE CO 0 E TS S ALL NEET ASTM-C-478 REQUIREMENTS. ~ STEEI. FENCE POST ~ A r•: ~ SET MAX 2 APART BURY 1MRE FENCE. FlLTBR ~ " A 3) SEE STD. # 30.15 FOR MANHOLE FABRIC, AND HARDWARE ~ ~ ~ FRONT VIEW aorN IN 1RENCti / COVER DETAIL. C~ \ i x SILT FENCE GRAVEL OUTLET 4" ~ b J Drawing names SILTOUT,DWG 0 Saved one January 12, 1996 at 1052 AM B TYPE A sECrION c-c 0 4 5 0 7 a~ LA-7 NTS LA-7 NTS ~ ~ ~ 0 bA U a~ U O 0 C s a fV O O N _J Q DATE 4-6-05 O SCALE I 0] N.T.S. N DESIGNED BY g TWH DRAWN HY TWH A CHECKED HMV S~ 09 z M O f7 JDH LUVJ'VJY Q Q 0] SHEET Q C1 'S a OF $ SHEETS X ee °°,o° ~ , ~ ~ ~ ~ °°~°''3~°° ~ 9.43 288.8! ~ / / 1 1 REVISIONS BY 288.85 / ~ i \ \ BY oe°°°° °s~s°° B BRIEN AT l~S A~SSOCATES, P.A.) °°°°°e° ` °p°o°° 289. 4 4 / 1 1 \ \ CONDITIONAL USE E t ~ ~ / W ~ ` _ / 1 1 \ PERMIT / 11 \ g ) 284. N I 8 =283.00 ~ ~ _ I / ) 1 1 \ - 9/27/04 DENR JS l \ . _ _ COMMENTS JS e°e / e ~ / 1 ~ / / ~ 10/20/04 DENR JS JS / ~ / °eePo / / \ / °e°a°° / ~ / ` _ / / 1 COMMENTS / / \ / 5 ~ ~ / / \ / / ~ \ Z ° Z / / + Tw 28.25 1 ~ ~ ~-8 UNION ~ / / / / BW 284 ~ oo / / \ t ~ SF ~ / l / 1 \ J ~ °p 6 ~ ~ ~ .50 J ~ / / / ~ / \ ~ ~ ~ ~ / / ~ / / { ~ C~ ~ f C~ / I ~ / oN RETAINING W AND / I / Q) / I ~ ~ o M T NTION AREA SPECIFICATIONS 2r BIORE E ~ ° o M 0 0 GUARDRAIL BY ERS / ~ 280,50 ~ / + / / / 280.50 \ , ~ 1 ~ Y / / / / / / / ~ / ~ ~ THE BIORETENTION FACILITY SHALL NOT BE CONSTRUCTED ~ ~ / 9 ~ / / / UNTIL ALL CONTRIBUTING DRAINAGE AREA HAS BEEN ~ / ~ ~ / ~ STABILIZED ~ Q, C ` C' Q1 C711. / ~ ' - / / / / / / / / s C- / / TW=288.00 / ~ ~ / / I ~ / 1. MATERIAL SPECIFICATIONS ~ ~ ~ / 1 ` Cn a 0) d Z " / 90.25 _ / ~ / t / / ? / ~ BG-280.50 r _ 1 i e / / ~ / 1 (SEE TABLE BELOW) S a; ~ / ~ / L ~ S -L d / ~ / ~ ~ ' -8 / / r/ _ it ~ I ~ r ' r 29025 - / ~ ~ + - I ' ~ ' ~ / I A Q Q / ~ r / ~ ~ 1 ~ TW 291.00 / ' N SIZE NOTES / MATERIAL SPECIFICATIO S I ~ TW 291.00 ~ ~ / i ~ 291 ~ ~ I I ~ / / ~ , . ~ r ~ ~ ~ I r r BN>,289.2 / I / I PLANTINGS SEE PLANTING PLAN N A PLANTINGS ARE SITE-SPECIFIC ~ o \ ` _ s BN>,289.2 ~ I O s r TW=290.00 ~ / ~ r r • 0.25 _ ~ / / ~ r • ~ / I PLANTING SOIL SAND 35-60% N/A ~ d cu ~ BG-280.5 I r ~ , / / ~ I 4 DEEP SILT 30_ 55% ~ ~ 5q ~ / 1 CLAY 10 2 ~ a F- r ~ ^ 1 r ~ 1 r Cb ~ / 2 ~ Cb / / 2/ ~ MULCH SHREDDED HARDWOOD, N/A AGED 6 MONTHS, MINIMUM ~ 280.50 i ~ r / / ~ 1 SHREDDED WOOD CHIPS, DO NOT USE PINE BARK \ / { 280.50 T ~ / / OR OTHER SIMILAR NUGGETS) ~ r / / i ~ / + ~ i r i ~ r iW 291,00 + / / ~ / MATERIAL i / ~ ~ r BW 290.1 / / / „ „ _ FOR USE AS NECESSARY GEOTEXTILE CLASS C APPARENT N/A ` / 1' PROPOSED CONTOURS I ~ ~ ~ / / gl AROUND JACKETED ~ / ~ , OPENING ZE ~ r / SHOWN FOR CLARITY r ~ ~ ~ ~ / (ASTM-4751), GRAB UNDERDRAINS ONLY {GEOTEX ~ i / ~ TENSILE STRENGTH 801 OR APPROVED ~ ~ 3 r ~ / , r ~ ' / (ASTM-D-4632), EQUIVALENT-NONWOVEN ~ ~ r ~ r ~ PUNCTURE RESISTANCE GEOTEXTILE) LJ ~ y L r _ ~ ~ ~ ~ ~ r TW 291.00 TW-288.50 X96 ~ ~ ~ " r BW 289.00 ~ ~ ~ _ ` ~ ASTM-4833 \ i ~ ~ 1 ( ) CA d ~ ~ C5 (J~ CL o BG=288.00 ~ +p~C ~ EXISTING 18 RCP r / .fib / ~ r 096 ° ~ ~ ~ UNDERDRAIN F 758, TYPE PS 28 OR 6" RIGID 3 8" PERF. ~ 6" ON CENTER, ~ a- ~ / ~ ~ AASHTO M-278 SCHEDULE 40 4 HOLES PER ROW. ~ ~ Ob / ~ PIPING ~ ~ ~ t` 6'~ / PVC OR SDR35 d ~ N S / Q~ Cn / 5 / ~ INV= 274.2 ~ ~ ~ ~ ~ ~ _ UNDERDRAIN.. AASHTO-M-43 OR _ 0.25'. TO 0.75' _ ~ h ~ ~0.j K= _d ~ . _ _ ~ ~ / _ _ GRAVEL X57 STONE \ ('7 .d ~ o L~ s . CU F- O r ' ~-B ~ i - U p UU O UU ~ A i :I-' d S C3 S ~ ~ S • N O Ul i r- EXISTING CONCRETE o ~ U ~ Ut i i . 0~ 0 _ N O Q 0_ ~ Z ~Z 8 2 / 2 ~ - \ -o \ - •P' ' ~ ~ ~ v y' tlQV • • / INV ~ X112.9 \ i ~ i~ i t ~ i ~R ~ a ~ x ~ " a 2 STORM LEGEND b 0~ "~lSI~ ~ 4 e I.A-8 s~~e D S 16'ST50" ~ 225.00' PROPERTY BOUNDRY LA-8 1" = 20' EXISTING CONTOUR 5' MIN. d~~T~ rrrrr9 4i 0` 46 PROPOSED CONTOUR TOP OF GRATE AND TOP OF BERM ELEV. = 283.0 FRAME STD 840.16 2. PLANTING SOIL SPECIFICATIONS 3. COMPACTION OF THE PLANTING SOIL ~P ' ~ v : •P\' ; • ( ) -m-~-~- EXISTING STORM DRAINAGE THE PLANTING SOIL SHALL BE A UNIFORM MIX, FREE OF CONTRACTOR SHALL MINIMIZE THE COMPACTION OF BOTH THE ; 0;0~ v>~ % y~ STONES, STUMPS, ROOTS OR OTHER SIMILAR OBJECTS LARGER BASE OF THE BIORETENTION AREA AND THE REQUIRED ~~v~~ J ~ Q THAN 2 INCHES. NO OTHER MATERIALS OR SUBSTANCES SHALL BACKFIII. WHEN POSSIBLE, CONTRACTOR SHALL USE U ;N W - - ANTI-SEEP - BE MIXED OR DUMPED WITHIN THE BIORETENTiON AREA THAT EXCAVATION HOES TO REMOVE THE ORIGINAL SOIL. IF THE ;va ~ N STORM DRAINAGE ~ COLLAR M MAY BE HARMFUL TO PLANT GROWTH, OR PROVE A HINDRANCE BIORETENTION AREA IS EXCAVATED USING A LOADER, THE ; S :',Tp ~P - 9k TN CONTRACTOR SHALL USE WIDE TRACK OR MARSH TRACK '•.~'d ¦ CATCH BASIN ~P = DROP INLET CREST ELEV. = 281.50 21 - - ° - TO THE PLANTING OR MAINTENANCE OPERATIONS. THE PLAN I G (y~ FLARED END SECTION - - SOIL SHALL BE FREE OF BERMUDA GRASS, JOHNSON GRASS, EQUIPMENT, OR LIGHT EQUIPMENT WITH TURF TYPE TIRES. H - QUACK GRASS, MUGWORT, NUTSEDGE, POISON IVY, CANADIEN OVER COMPACTION AT THE BASE OF THE BIORETENTION AREA '~r,rrr ~~<<~~ THISTLE OR OTHERS AS SPECIFIED. CAN BE ALLEVIATED BY USING A PRIMARY TILLING OPERATION BASIN INVERT ELEV. = 280.50 ANTING SOIL SHALL BE TESTED AND MEET THE SUCH AS A CHISEL PLOW, RIPPER, OR SUBSOILER. THESE THE PL TILLING OPERATIONS ARE TO REFRACTURE THE SOIL PROFILE RETAINING WALL AND ;'Q FOLLOWING CRITERIA: THROUGH THE 12 INCH COMPACTION ZONE. SUBSTITUTE GUARDRAIL BY OTHERS pH RANGE 5.5 to 6.5 METHODS MUST BE APPROVED BY THE ENGINEER. ROTOT1LlERS 18" RCP PLANT SPECIES (SEE ORGANIC MATTER 1.5 to 3.0~ (BY WEIGHT) DO NOT TILL DEEP ENOUGH TO REDUCE THE EFFECTS OF ~ COMPACTION FROM HEAVY EQUIPMENT. MAGNESIUM - Mg 35 Ibs/ocre PLANTING PLAN 16 LF ®0.6% TOP OF CURB ) 100 Ibs acre A PHOSPHORUS -PHOSPHATE {p2 Og) / P ANY PONDED WATER BEFORE PREPARING 6" UNDERDRAIN INVERT ELEV. = 278.60 POTASSIUM -POTASH {K 2 0) 85 Ibs/acre PUM SOLUBLE SALTS not to exceed 504 ppm (ROTOTILLING) BASE. 'a~ V THE FOLLOWING TEST FREQUENCIES SHALL APPLY TO WHEN BACKFILLING THE TOPSOIL OVER EXISTING EARTH, FIRST 1 1 NCDOT STD. 838.80 PLACE 3 TO 4 INCHES OF TOPSOIL OVER THE EARTH, THEN THE ABOVE SOIL CONSTITUENTS a c tt~ O EL. 281,50 FT. INVERT = 278.60 n 1 - WINGED ENOWALL ROTOTILL THE EARTH/TOPSOIL TO CREATE A GRADATION ZONE. O o =z - 1 INVERT = 278.50 1. H, ORGANIC MATTER: 1 TEST PER 90 CUBIC YARDS BUT p BACKFILL THE REMAINDER OF THE TOPSOIL TO FINAL GRADE. ~ I-I Z d' - NOT LESS THAN 1 TEST PER BIO-RETENTION AREA ~ ~ o a o EL. 280.75 - - - MULCH LAYER MAX. PONDED o " I I=III=III NOT SHOWN WATER DEPTH WHEN BACKFILLING THE BIORETENTION AREA, PLACE SOIL IN a ~ o N SLUM PHOSPHORUS POTASSIUM AND SOLUBLE LIFTS OF 12 INCHES TO 18 INCHES. DO NOT USE HEAVY ~ ~ a 2 -3 MULCH EL. 280.50 = _ _ FOR CLARITY (12") I I-) I I-III-I - RIPRAP 2. MAG E ~ - SALTS: 1 TEST PER 500 CUBIC YARDS BUT NOT LESS THAN EQUIPMENT WITHIN THE BIORETENTION AREA. HEAVY r~ ~ - APRON ~ _ _ _ = EL. 281.60 FT. _III-III-III=III - 1 TEST PER BORROW SOURCE EQUIPMENT CAN BE USED AROUND THE PERIMETER TO SUPPLY ~ p,~ PLANTING SOIL. GRADE BIORETENTION MATERIALS WITH LIGHT Q ~ t~ III=III=III=III=III - - - - _ =I _ - - - - I=I I (=1 I I=III=) , EL. 280.50 - - - KEY KEY N I I=) I I=III=III=III=I - - - - vw;, ~ q~ ~~4~~;~.:r~.: - - - I ~ TRENCH Z -III- _ /~i 7,, ~ ;t7;, x~.~s, (t. I-III--I I III- - _I 11-I I I_I I I ~r , , III=1 I I=1 I I=1 i I_I I I I-~ ~ I-, I I- ~ I-III-I I TRENCH 3. ONE GRAIN SIZE ANALYSIS SHALL BE PERFORMED PER 90 EQUIPMENT SUCH AS A COMPACT LOADER OR A ~ N a~ CUBIC YARDS OF PLANTING SOIL BUT NOT LESS THAN 1 TEST DOZER/LOADER WITH MARSH TRACKS. z -I I I r~. R P ED =111=111=111=III=1 - A~~;;~ P o os PER BIORETENTION AREA. W o 0 4. MULCH LAYER GUIDELINES a a o 0 ~OO g - - - - III=I } ,r , s4~ ~ I I GRADE a III=III=III=III=III - - EL. 278.60 - - - - GEOTEXTiLE FABRIC (SEE _III ,7 A;'...ti s ~ ° _ (2:1 MAX.) T MULCH SHALL BE WELL-AGED AND UNIFORM IN COLOR. ~ O \E d+ o e}~ tO ~ I I-III-III-) i i-III-) MATERIAL SPECIFICATIONS , 4 IRF C` R 4 TI T R 1~`H F A WELL-AGED MULCH IS DEFINED AS MULCH THAT HAS BEEN L, r ~ ~ I IT GTRI ~ 1 1 1 IV Vi VI Iv ril v V w 1 ° ° ° ° ° ~ ~ L `r/ Q~' STOCKPILED OR STORED FOR AT LEAST 6 MONTHS. MULCH W U ~ <fl I I (-III-III-III-III ~ 4 ~ ~h, 1 - - - - - - :111 ~ ~ ' ti I_ ~_8 ~ ~ NTS SHOULD BE FREE OF WEED SEEDS, SOIL, ROOTS, OR ANY aa ~ M C -I ; I - - - - - ";r„. , Fad , n I i-I I (-III-III-III-I 6 PERFORATED PIPE - - - - - 'e ..~,,n • OTHER SUBSTANCE NOT CONSISTING OF EITHER BOLE OR ~ W . ~ BRANCH WOOD AND BARK. THE MULCH SHALL BE UNIFORMLY C9 ~ O ~ J F IN 12 SQUARE #57 STONE JACKEjfi= _ I (I-III-I ~ III- 12" SQUARE GRAVEL JACKETS I - =III= - II.. III APPLIED APPROXIMATELY 2 TO 3 INCHES IN DEPTH. GRASS W a ~ p~ ~O ~ w (TYPICAL OF ALL 4 DRAINS.) et ~ 6" PERFORATED PVC EL. 278.6 6"DIA. SCHEDULE 40 PVC CLIPPINGS ARE UNSUITABLE FOR MULCH AND SHOULD BE AVOIDED FOR USE WITHIN 1HE BIO-RETENTION AREA. ~ ~ VARIES (REFER TO PLAN VIEW} PERFORATED WITH 3/8 ~ GENERAL NOTES HOLES ®6 ON-CENTER IN _ _ _ _ #57 STONE JACKETS. STONE ~ ~N aus •r caNCaE>E ro aE uttn nadK+auT INLET FRAME AND GRATE oP>r~ coaTaucTOH • Nowuzrocc vouR, r KErvAT, na 1, &IR OUTLET STRUCTURE NOTES: J I I=III=11 i=III=III=I TO BE WRAPPED IN f~ NCDOT STD 840.16 r°~AuTm of ~ rae~ ss nc rorT°M sua „ o NON WOVEN GEOTEXIILE M NOTPa` GEOTEXTILE FABRIC (SEE FILTER FABRIC APPROPRIATE :+T w rn o a• ° ~:s Dawes cnauu wv a uem roe TMe ro<taa~a N III=III=III=III=III - - MATERIAL SPECIFICATIONS) ~ erµatieos; sse.e~, eee.er, eee.ae gyro eee.» Mz iu 11R' 3'-6' ~ ° E°P~~ BAH °"0"' ADD ro 1. 18 RCP OUTLET BARREL SHALL BE CLASS III RCP, MODIFIED BELL ANO SPIGOT, MEETING THE ARNO ~ wLL ma° n~TS ~ r-s~ r° uvn+ m x ramnec° vctH sTtrs p.q• REQUIREMENTS OF ASTM C76-LATEST. THE PIPE JOINTS SHALL BE CONFINED O-RING RUBBER GASKET ~ _ _ _ - - FOR SITE SOIL CONDITIONS a ° teBTALI veEraer ENOIYALLB wtse wtnae AMO MY ~ _ Z II-III-III-III-III-) A ~ xz " ~ "II"' I~ F or, srrovs °E AamcANx `"rN nD' &0'r`' JOINTS MEETING ASTM C-443-LATEST AND JOINTS OF ASTM C-361-LATEST. THE PIPE JOINTS SHALL BE F III-111-III-III-III f~P/'~TIAA I SPECIFIED BY ON-SITE g,~i8~?~i .~,T-r ~ f;; tN,e°cco°;°~~RTM evectrtaTtan eEmta~ e,e. ~u o~ 1°6' ~ o~ I~ I H ~ ~`I I`" TYPE R-4.PROVIDED. Z iii iii iii iii i~ JtIrIIUIV - ..~~o fo" 1'0" • ~ F M Q I=III=III=III=III=i GEOTECHNICAL ENGINEER. zN o.e PRDYID! ALL RESXPORCIXD 9YEEL IAII9N YE9I9 A92Y A/16 u~a ~ LLCM ' ~ G E E I I I I a v J I ~ 1 ~ fql OMDE OJ 1ND MELDED NRAE FAIAIO DDNFOHI¢ND ~ V. - - - - NOT TO SCALE TYPICAL OF ALL 4 DRAINS. e ~ s _ To A9111 A196 WtiN a" nx, aEAAAVCP. cH o ~ • PECIFICATIONS: o~ x K OUTLET STRUCTURE MATERIAL S III,-III-III-I (I-I (I A o I • PLAOP L2R IpLEa OA PSNa IN AOWASWIC! Y21N Ne aeNA 9TANOAno 19ae.7o1. w 00 I I-III-III-III-) I I-) y0 ' C91ADf ~ I ' PIPS To a[ AROURD tX10 YlADiALL AT JOa 8IT9 6Y " ~ ~ o " 1. ALL POURED CONCRETE SHALL BE MINIMUM 3000 PSI (28 DAY) UNLESS OTHERWISE NOTED. 1Y , O ~O - - - 2 M1 N1 i OpI2RACtg1 I I I_I I I_I I I_I I I-III _ • ALL PLl~N7Y P~aI 10 ~r Aa>w ~,e. I 11 ~ 2. GEOTEXTILE FABRIC FOR THE 18 INCH OUTLET BARREL JOINTS SHALL BE AMOCO STYLE 4553 w H t m • W3DE0 WIRE FA~I1C MAY BE 8Y91TITUIED FOA REBAR I I=i I I=I I I~ I I=1 I I=1 EL• 276,50 _ _ _ _ ,,.o„ - - • A9 LONO A9 iNE SAYE AR"FA Of STEEL I9 PROYIDED• CNANtER ILL COANlR9 1 DR XAYR A RADIV9 OP 1 . r-~ t~, p_~ UY F ~ POLYPROPYLENE NON-WOVEN NEEDLE PUNCHED OR APPROVED EQUAL (NON-WOVEN FABRIC) ' PLAN OF FRAME „-are . DIA vEL?ED s „ t 1 B/8' t I SIB' CAST IRON Y ANCIGRS a' LONG CI• + 3. PONDING DRAWDOWN IS VIA A 6 PVC UNDERDRAIN. ~ a io PROFILE T REFER Tll OXA~ Ir0AE9U1922! T I' DEPRESSION PLAN ANCHORS PtfaYYNACK • e7 PLAN a ~ ra spa' ra yr ~ NOT TO SCALE ~ "p F°R Y"" eI:E %me^ C B~YMESWNIAA~DTOA WSL~YEEileff6 PTOaA"ioX J m ELEVATION SIDE m INd1EAYE TIIIB 9rR 9I2E Ae NEEDED. M ~ r tl ~ PLAN DF GRATING V1TH GRATE 6 FRANE aENaVED STn.81a16 FRANE~DVDa POSROIII aF B0.TS BERM SOIL AND COMPACTION SPECIFICATIONS: CAST IRON v-a' 6 GRATE 3'-p. t y Z , t;1 = ~ $ a 3• 3' r 1. ALL FILL SOILS FOR BERM SECTION SHALL BE CLEAN, IMPERMEABLE MATERIAL AND COMPACTED TO AT qq~~,, R MAXIMUM DRY DENSITY AT OPTIMUM MOISTURE CONTENT. NO BLASTED • VII ~ LEAST 98~ STANDARD PROCTO , 3 ro ~ ENDWALL DIh1ENSIONS d ~ ~ MATERIALS SHALL BE USED IN THE EMBANKMENT CONSTRUCTION, SOILS SHALL NOT EXHIBIT SIGNIFICANT I I a atioo~n " A 6 C ~ ~ rt' fT. MINIMUM YIN./MAX. Y[N.lYAX• YSN.lYA%. YIN.IY4)f. NIN•lMAX. yy e ' A-8 + ~ NTS 3 = ~ PIPE DU. aw BIZE Nt(FT•) N2(PT.) D (FT.J W1 w2 SHRINK/SWELL OR DISPERSIVE CHARACTERISTICS. YYYY'----11111111 tT~ a' A 6' 6' ? 6' ~I 1.11 y ~ ~ „ ~ 1•D a0 1 B" A.P6JII.00 2.0019.76 1.2611.76 9.0019.16 0.0010.00 ~ UB' UEr Vg Ug va• au x e• w palm SECTION G-G p 1' t' aa"x~a"rt ' PIGGY?ACK STUD ANCNUtS 2. IN ALL FILL AREAS OF THE BERM, A SOILS COMPACTION TEST SHALL BE CONDUCTED EACH 2500 SQUARE ~ A= G I I 1p~ 1.26 N9 a 0" 1.2612.00 0.0018.76 1.2612.00 3.a019.T6 8.60!1.76 C 1.60 Ib I8" 1.2612.OD 9.0014,26 1.6012,60 8.6013.76 9,00/8,70 ~ v~ p 3'-3 3/4' I~ Z~.g yq~ _ = FEET PER VERTICAL FOOT OF FILL. FILL SHALL 8E PLACED IN LIFTS NOT TO EXCEED 8 INCHES LOOSE ~ ~ ? 2.0 Y6 a 8" 1.60!2.90 4.0011.76 1.7012.90 4.0014,26 7.9019.26 ~ ~ v a ;,I THICKNESS. o, F" ~ 2'-31/4' , ~ U8' Nt ?AR PP~~ ~ a I T W m= i D 2.6 Ma a 8" 2.00/0.60 4.0010.00 2.00!9.00 4.60/0.00 t0~oD111.00 M F CONCRETE DROP NLE / Q „ ~ U~' vM a 31ra U~' a asi~s"rt"~" K Y TR NCH IS TO BE PROVIDED IN ALL FILL AREAS. TRENCH TO EXTEND A MINIMUM OF FIVE FEET NJd , ~ aa„nN ar ~ 3 A E E 1 FRAME & GRATE. INLET s•a a9 o e 3.0013.60 a.oole.DO 2.7013.60 9.2610.79 tt•0o121.16 O e`,tyQ ~ 9.9 a6 a 9" 3.2614.60 0.0018.16 8.2613.60 9.0018.79 12.00113.46 y PER NCDOT STD. 840,14. TOP OF GRATE AND FRAME STD 840.16 EL 281.50 ~ ~ „ .n +a•ao Sa.Pa t ~ ~ 1.0 la a e a.ao/4.ao e.eol7,DO a.2a/a.eo a cote r ~ - BELOW EXISTING GRADE. SOILS AND COMPAC110N FOR KEY TRENCH SHALL MEET ALL REQUIREMENT OF # "SEE NOTE SECTION X-X SECTION Y Y ABOVE. FRAME PER NCDOT STD. r PLAN 4.a la a e° a•aDla.oD 9.aola,ao 3.zap.oD 1.00/9.20 T3.6o1Teaa ~ d ~ 2 ~ . . 21l8' DIMENSIONS AND DUANTITIES FOR DROP INLET , 840.16. • MULCH LAYER e•o Aa o e" 1.601a.oD 7.DDle.eD 3.2e1+.oo 1.201/.26 r3.191T9.16 ' 6.8 96 0 8" 4.6016.00 7,60!9,90 9.2614.00 7.26!9.26 14.00116.76 3'-l 3/4' N N ~ ` rIDNS FOt a TED ON THE BERM SECTION. 2'-1 3J4 N N v~ S~ N11~807t 4 a C0~ IM ~ ?E °DJ~ PIPE 4. NO TREES OF ANY TYPE MAY BE LOCA a~ t° ~ i~ 8.0 Ma a 9" 4.60!6.00 7,8018.80 9.2614.00 7.7619.29 14.76119.76 EL. 280, 50 t~' r W. YDS. DDwEL 3'-6' z•_g• a A B N Su? FT• N NiN N c"• Ra:, 5. FILL PLACEMENT SHALL NOT EXCEED A MAXIMUM 8" LIFT. EACH LIFT SHALL BE CONTINUOUS FOR THE a - - - - - aNEer , oP , - - - - - 1 ~ q~ ~ - - - = I I= PLANTING SOIL LAYER Ems' ~ ~ ~ Ie' r-o• r-o• z'-~' azzz o2zz aTOa oA33 aoo9 ENTIRE LENGTH OF EMBANKMENT. BEFORE PLACEMENT OF FILL FOR THE BERM SECTION, ALL UNSUITABLE Q i -I I-I I I_ I -III I I. 838.80 - - - - . •a ~ ~ . • a, I I i-III-III-III III-III- 838.80 838.80 SECTION H-H SECTION E-E SECTION F-F CONCRETE DROP INLET NCDOT STD 84014 MATERIAL SHALL BE REMOVED AND THE SURFACE PROPERLY PREPARED FOR FILL PLACEMENT. ~ ~ $ Go ~=III=III=III=III ~ ~ >n ' I I=1 I I=1 I I=1 ! I=1 I I=1 I I=1 ~ I_I I I-I i I-III-III , SEEDBED PREPARATION FOR STABILIZATION OF DOWNSTREAM SLOPES a 3 ~ ~ _ _ _ ~ III=III=III=1I I=1I I=III' I-III-III-III , - s 7 ~ 1.) CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES DEEP OVER ADVERSE SOIL CONDITIONS, IF u - - - - II-IIIIIIIIIIIIIIIIIIIIIIII"III- I_I I I_I I1=11I ; iii _ _ _ _ _ LAB NTS AVAILABLE. i - _ ` j 18 RCP - - - - - ~q-8 NTS I_III-III a . .I - - „ 2.) RIP THE ENTIRE AREA TO 6 INCHES DEPTH. II=III=III;'',;' 6 PVC UNDERDRAIN 3.) REMOVE ALL LOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS LEAVING SURFACE REASONABLY SMOOTH ~,t2" AND UNIFORM. pla III=III ~ AND JUNCTION 11E EL 278.60 4.) APPLY AGRICULTURAL LIME, FERTILIZER, ANO SUPERPHOSPHATE UNIFORMLY AND MIX WITH SOIL (SEE N!d -III . _ , ~ , , , a . I -I I I_I I I_I I I-III-i I NCDOT STD. 838.80 NCDOT CLASS "B" RIP-RAP BELOW ~ o ~ WINGED ENDWALL ) o ~J _ II______ -III ° 9 Lx11 Wx22 THICK 5.) CONTINUE TILLAGE UNTIL AWELL-PULVERIZED, FIRM REASONABLY UNIFORM SEEDBED IS PREPARED 4 „ AVG. DIA. = 6" TO 6 INCHES DEEP. ~ 10 I - - • - _ =1 I I-III-I i I-I I I_I I I-III---- 'I I 1=Iii=1 11=III=11 I=1I I=1 ~ i__I I I-III-' 18 0-RING RCP 6.) SEED ON A FRESHLY PREPARED SEEDBED AND COVER • I I_I i I_I I I-III I I I I .I i t=1 I I ~I 11=1 I ~=I I-1' ~ ~ I--1 I I-I I 1n 7. MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH. r 18° DIA. v A ) 0-RING RCP a A _ 8.) INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS 4R RESEEDINGS WITHIN THE PLANTING ? SEASON, IF POSSIBLE. IF STAND SHOULD BE OVER 60q DAMAGED, REESTABLISH FOLLOWING ORIGINAL LIME, 5 90 DEGREE BEND OBSERVATION WELL d T ER AN SEEDING RATES. SEED LIGHTLY WITH SEEDING EQUIPMENT OR CULTIPACK AFTER SEEDING. d FER ILIZ D ~_8 NTS /CLEANOUT 9. CONSULT CONSERVATION INSPECTOR ON MAINTENANCE TREATMENT AND FERTILIZATION AFTER PERMANENT a COVER IS ESTABLISHED. ~ See seasonal appiicatian schedule SCREW TOP UD' 1 F ~ 1.25' MIN. PROJECnoN NOTE TO CONTRACTOR • FINISHED GRADE RIPRAP STORMWATER PONDS USED AS SEDIMENT BASINS DURING CONSTRUCTION SHALL BE CLEANED OUT (I.E. ••,;;;,:r.:•';•», 5' WIDE SEDIMENT, TRASH, ETC.) AND REVEGETATED (IF NECESSARY) PRIOR TO USE AS STORMWATER PONDS. ~ - - E , . NCDOT STD. 838.80 PANELLA TYPE CLEANOUT fi'r'. . '~r~;~'. WINGED ENDWALL STATEMENT OF RESPONSIBILITY .f•• a WITH COUNTERSUNK HEAD T-TYPE 123 LF 6 ~ PVC JOINTS PLAN ALL REQUIRED MAINTENANCE AND INSPECTION SHALL BE THE RESPONSIBILITY OF THE OWNER, PER THE ~r, , EXECUTED OPERA110N AND MAINTENANCE AGREEMENT FOR THIS FACILITY. . o a N a 18" DIA• ~ -RIM RCP • a a , N PIPE SEAL GASKET 18" 0-RING S ; a 123 LF 6 ~ PVC •I`~. RCP • ~ v _~~~=~~1=1~ 22" LAYER OF ~ .4~ : - - ITC ' ' _ DATE s~ ''.k• 1 _ _ _ _ CLASS 2 RIP RAP 4-6-05 -05 ~ s" P.V.C. SOIL PIPE TIE INTO DROP INLET BOX _ - "FILTER BLANKET m-m~!'m'!'m • I ~~~~~I,nIIHII=II - - - SCALE " , J N NOTES; ~ =20 NOTES; SECTION A-A DESIGNED BY V W DI 1. CONCRETE Ff t. CONCRETE FOR COLLAR SHALL BE 3000 P51 (MIN.) 28 ,NAT L FILTER BLANKET REJ 1 N OAY STRENG' DAY STRENGTH• (SEE NOTE) DRAWN BY "ABOVE DETAIL PROVIDED AS SCHEMATIC SCREW TOP P,V.C. WELT CAP ONLY 2. COLLAR SHAT FEW NECTEO TO 18° RCP WITH A WATER A FILTER BLANKET IS TO BE INSTALLED 2. COLLAR SHALL BE CON BETWEEN THE RIPRAP AND SOIL FOUNDAl10N. g EACH OBSERVATION WELL/CLEANOUT SHALL INCLUDE 1HE FOLLO'MNG: TIGHT JOINT, CHECKED BY TIGHT JoINT• THE FILTER BLANKET WILL CONSIST OF A L FOR AN UNDERGROUND FLUSH MWNTED OBSERVATION WELL/CLEANOUT, PROVIDE A TUBE 3. COLLAR SHAT 3. COLLAR SHALL BE PLACED ALONG BARREL AT CENTER OF BERM. MINIMUM 4" THICK LAYER OF STONE (NCDOT SAC c MADE OF NON-CORROSIVE MATERIAL, SCHEDULE 40 OR EOUAL, AT LEAST 1HREE FEET LONG WITH AN INSIDE DlAME1ER OF AT (EAST 6 INCHES. 4. ANTI-BEEF lEfi71 I I?J~FRI AIN WITH fuIIRAFI FII TFR WFAVF ' 4. ANTI-SEEP COLLAR SHALL BE PLACED A MINIMUM OF 2' APPR VED E DIVALENT Juy 700 OR O Q 2003-034 '034 2, THE TUBE SMALL HAVE A FACTORY ATTACHED CAST IRON OR HIGH IMPACT PLAS'RC COLLAR FR M PI FROM PIPE JOINTS• SHEET a WITH RIBS TO PREVENT ROTATION WHEN REMOVJNG SCREW TOP LID. THE SCREW TOP LID SHALL 9 4 BE CAST IRON OR HIGH IMPACT PLASTIC THAT WILL WITHSTAND ULTRAVIOLET RAYS. m m _g g ~ $ Lp-$ NTS n NTS _8 NTS m Dlo g ) ~q_g NTS LA EETS g PRELIMINARY DESIGN -NOT RELEASED FOR CONSTRUCTION of $ SHEETS 'e a X