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WQ0040586_Modification_20211206
Non -Discharge Branch Upload/Submittal Form NORTH CAROLINA EnWrvnmemfal Qualify Version 2 - Revised June 23, 2020 Initial Review Reviewer Thornburg, Nathaniel D Is this submittal an application? (Excluding additional information.)* Yes No Permit Number (IR) * WQ0040586 Applicant/Permittee Town of Holly Springs Applicant/Permittee Address 128 S. Main St Holly Springs NC 27540 Is the owner in BIMS? Yes No Is the facility in BIMS? Yes No Owner Type Municipal Facility Name Trinity Creek - Phase 3C RDWL County Wake Fee Category RW Distribution Line Fee Amount $0 Is this a complete application?* Yes No Signature Authority Signature Authority Title Signature Authority Email Document Type (if non -application) Email Notifications Does this need review by the hydrogeologist?* Yes No Regional Office CO Reviewer Admin Reviewer Complete App Date Below list any additional email address that need notification about a new project. Email Address Comments to be added to email notfication Comments for Admin Comments for RO Comments for Reviewer Comments for Applicant Submittal Form Project Contact Information Please provide information on the person to be contacted by NDB Staff regarding electronic submittal, confirmation of receipt, and other correspondence. Name* Theresa Randall Email Address* Phone Number* theresa.randall@hollyspringsnc.gov 9195573150 Project Information Application/Document Type * New (Fee Required) Modification - Major (Fee Required) Renewal with Major Modification (Fee Required) Annual Report Additional Information Other Modification - Minor Renewal GW-59, NDMR, NDMLR, NDAR-1, NDAR-2 Residual Annual Report Change of Ownership We no longer accept these monitoring reports through this portal. Please click on the link below and it will take you to the correct form. https://edocs.deq.nc.gov/Forms/NonDischarge_Monitoring_Report Permit Type: * Permit Number: * Applicant/Permittee * Wastewater Irrigation Other Wastewater Closed -Loop Recycle Single -Family Residence Wastewater Irrigation Town of Holly Springs WQ0040586 Has Current Existing permit number Applicant/Permittee Address* 128 S. Main St Holly Springs NC 27540 Facility Name* Trinity Creek - Phase 3C RDWL Please provide comments/notes on your current submittal below. High -Rate Infiltration Reclaimed Water Residuals Other At this time, paper copies are no longer required. If you have any questions about what is required, please contact Nathaniel Thornburg at nathaniel.thornburg@ncdenr.gov. Please attach all information required or requested for this submittal to be reviewed here. * (Application Form, Engineering Plans, Specifications, Calculations, Etc.) _41932 - WQ0040586 - Trinity Creek Phase 3C Permit Mod 31.22 M B to State.pdf Upload only 1 PDF document (less than 250 MB). Multiple documents must be combined into one PDF file unless file is larger than upload limit. * By checking this box, I acknowledge that I understand the application will not be accepted for pre -review until the fee (if required) has been received by the Non - Discharge Branch. Application fees must be submitted by check or money order and made payable to the North Carolina Department of Environmental Quality (NCDEQ). I also confirm that the uploaded document is a single PDF with all parts of the application in correct order (as specified by the application). Mail payment to: NCDEQ — Division of Water Resources Attn: Non -Discharge Branch 1617 Mail Service Center Raleigh, NC 27699-1617 Signature Submission Date 12/6/2021 DocuSign Envelope ID: DB86607A-FD7B-48A1-96F5-3EC26E175B92 THE TOWN OF O[ November 24, 2021 Nathaniel Thornburg North Carolina Department of Environmental Quality Division of Water Resources, Non -Discharge Branch 512 North Salisbury Street 1617 Mail Service Center Raleigh, NC 27699-1617 n9s Re: Reclaimed Water Distribution Facilities — Minor Permit Modification Request Permit No. — WQ0040586 Issue Date — July 12, 2019 Project — Trinity Creek — Phase 3C Dear Mr. Thornburg: Please accept the enclosed: • Engineers Certification, and • Plat(s), as requested by Schedules 1. and 2. of Reclaimed Water Distribution Permit WQ0040586 issued on July 12, 2019 for Trinity Creek — Phase 3C. With the submission of this documentation, we are seeking issuance of a permit for the construction and operation of the subject reclaimed water distribution facilities. Thank you for your assistance. If you need additional information, please contact Rachel Ingham (Rachel.In hg am(2hollyspringsnc. og_v) and Theresa Randall (Theresa.Randall(c�r�,holl. ssprings.gov). Sincerely, DS EF DocuSigned by: 2� 03C05669FC34440... Kendra D. Parrish, P.E., C.F.M Executive Director of Utilities and Infrastructure Services cc: Rachel Ingham, P.E., Utility Engineer Drew Johnson, Development Construction Manager Project File/Electronic file/Correspondence 941932 Utilities and Infrastructure Services P.O. Box 8 • 128 S. Main Street • Holly Springs, NC 27540 • www.hollyspringsnc.gov DocuSign Envelope ID: C321 E42D-77CE-46DC-B7CC-30DB6D3ACCD8 THE TOWN OF August 14, 2020 NC Department of Environmental Quality Division of Water Resources Water Quality Permitting Section Non -Discharge Permitting Unit 1617 Mail Service Center Raleigh, NC 27699-1617 �liy Springs Re: Engineers Certification of Reclaimed Water System Project: Trinity Creek, Phase 3C Permit 9 WQ0040586 Dear Sir/Madam: Enclosed is the FINAL PE Certification for the Reclaimed Water System Installation of Trinity Creek, Phase 3C, Permit 9 WQ0040586 for your records. A copy of the PE Certification has been retained in the Town of Holly Springs' records. Thank you for your assistance with this matter. Feel free to contact me at 919-557-3938 should you have any questions. Sincerely, DS DocuSigned by: of I6o�u�j (4amrbt�l 1/ 00312A589BDO426... 8/ 17/ 2 0 2 0 Rodney Campbell Development Inspector Coordinator RLC/se cc: Kendra D. Parrish, P.E., Director of Engineering Project file/Correspondence 944804 3018 2.15. Engineering Department P.O. Box 8 • 128 S. Main Street • Holly Springs, NC 27540 • www.hollyspringsnc.us DocuSign Envelope ID: C321 E42D-77CE-46DC-B7CC-30DB6D3ACCD8 Permit No. WQ0040586 Reclaimed Water Distribution Town of Holly Springs July 12, 2019 Trinity Creek— Phase 3C Wake County ENGINEERING CERTIFICATION ❑ Partial x❑ Final I, Nick Williamson , as a duly licensed North Carolina Professional Engineer, having ❑X periodically / ❑ fully observed the construction of the permitted facilities, do hereby state to the best of my abilities that the facility was constructed in compliance with G.S. 143-215.1, Administrative Code Title 1SA Subchapter 02U, this 'permit, and the Division -approved plans and specifications. Documentation of any variation to this permit, and the Division -approved plans and specifications, is in the attached as -built drawings. Description of variations: Professional Engineer's Name Nick Williamson Firm Name McAdams Address 1905 Meridian Parkwa City Durham Firm No. C-0293 State I Zip Code NC 27713 Telephone (919)-361-5000 I Email williamson@mcadamsco.com ,�tN4-SSRy 9% Nick Williamson Aug 5 2020 7:42 AM Sea], Signature, and Date THE COMPLETED ENGINEERING CERTIFICATION, INCLUDING ALL SUPPORTING DOCUMENTATION, SHALL BE SENT TO THE FOLLOWING ADDRESS: NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF WATER RESOURCES NON -DISCHARGE BRANCH By U.S. Postal Service By Courier/Special Deliver 1617 MAIL SERVICE CENTER 512 N. SALISBURY ST. RALEIGH, NORTH CAROLINA 27699-1617 RALEIGH, NORTH CAROLINA 27604 WQ0040584 Version 1.0 Shell Version 180901 Page 6 of 6 DocuSign Envelope ID: C321 E42D-77CE-46DC-B7CC-30DB6D3ACCD8 %:\Projiscts\CRS\G?5-itlOQO\Land\Cor[stnlctlarl Orawh..gs\Curr6t Urawingn\WSiSO015�pN3G-CS1,dWg, 4/?3%201g 10:2&S4 AM, WjiW, Juan O i - ® cr C fl. i� I. m 7..= r 'r- .r'. 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PARRISH, PE — DIRECTOR OF ENGINEERING TOWN OF HOLLY SPRINGS POST OFFICE BOX 8 HOLLY SPRINGS, NORTH CAROLINA 27540 Subject: Permit No. WQ0040586 Trinity Creek — Phase 3C Reclaimed Water Distribution Wake County Dear Ms. Parrish: In accordance with your permit application request received January 18, 2019, and subsequent additional information received May 13, 2019, we are forwarding herewith Permit No. WQ0040586 dated July 12, 2019, to the Town of Holly Springs for the construction only of the subject reclaimed water distribution facilities, This permit shall be effective from the date of issuance until rescinded, and shall be subject to the conditions and limitations therein. If any parts, requirements, or limitations contained in this permit are unacceptable, the Permittec has the right to request an adjudicatory hearing upon written request within 30 days following receipt of this permit. This request shall be in the form of a written petition, conforming to Chapter 150B of the North Carolina General Statutes, and filed with the Office of Administrative Hearings at 6714 Mail Service Center, Raleigh, NC 27699-6714. Otherwise, this permit shall be final and binding. One set of approved plans and specifications is being forwarded to you. If you need additional information concerning this permit, please contact Ranveer Katyal at (919) 707-3661 or ranveer.ka al ncdenr. ov. Sincerely, '1nda Culpepper, Director Division of Water Resources cc: Wake County Health Department (Electronic Copy) Raleigh Regional Office, Water Quality Regional Operations Section (Electronic Copy) Ryan C. Akers, PE — McAdams (Electronic Copy) Laserfiche File (Electronic Copy) Digital Permit Archive (Electronic Copy) Central Files North Carolina Department of Environmental Quality I Division of Water Resources 512 North Salisbury Street 1 1617 Mail Service Center I Raleigh, North Carollna 27699-1617 aRlr+raaouhat � ww atrmuW� �� 919,707.9000 THIS PAGE BLANK NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION DEPARTMENT OF ENVIRONMENTAL QUALITY RALEIGH RECLAIMED WATER DISTRIBUTION PERMIT In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other applicable Laws, Rules, and Regulations PERMISSION IS HEREBY GRANTED TO Town of Holly Springs Wake County FOR THE construction only of a reclaimed water distribution system extension consisting of: 1,110 linear feet (LF) of 8-inch PVC reclaimed water distribution line; and all associated piping, valves, controls, and appurtenances to serve Trinity Creek — Phase 3C, with no discharge of wastes to surface waters, pursuant to the application received January 18, 2019, subsequent additional information received May 13, 2019, and in conformity with the Division -approved plans and specifications considered a part of this permit. This permit shall be effective from the date of issuance until rescinded, and shall be subject to the following conditions and limitations: I. SCHEDULES Upon completion of construction of the permitted distribution facilities, the Permittee shall submit an engineering certification from a North Carolina licensed Professional Engineer certifying that the permitted facilities have been constructed in accordance with G.S. 143-215.1, Administrative Code Title 15A Subehapter 02U, this permit, and the Division -approved plans and specifications. For phased and partially certified facilities, the Permittee shall retain the responsibilfty to track further construction Approved under this permit, and shall provide a final engineering certification upon project completion. Mail the Engineering Certification to the Division of Water Resources, Non -Discharge Branch, 1617 Mail Service Center, Raleigh, NC 27699-1617, or Nan-Discharge.Reports@ncdenr.gov. [15A NCAC 02T A 116(a)] 2. The facilities permitted herein are for construction only. The Permittee shall submit the following documentation as a minor permit modification request: a. Easements for all the properties on which the distribution line is to be located. b. A map showing the distribution line and all properties with a table referencing all easements (Deed Book and Page). Mail the documentation to the Division of Water Resources, Non -Discharge Branch,1617 Mail Service Center, Raleigh, NC 27699-1617, or Non-Discharge.Reports&ncdenr.gov. [15A NCAC 02T .0116(a)] WQ0040584 Version 1.0 Shell Version 180901 Page 1 of 6 Operation of the reclaimed water distribution facilities shall be contingent upon construction and operation of permitted reclaimed water distribution lines immediately upstream and downstream of the reclaimed water distribution facilities permitted herein. Specifications for future upstream and downstream reclaimed water distribution lines shall include quality assurance testing procedures, which shall be adhered to prior to operation of the reclaimed water distribution facilities permitted herein. [G. S. 143-215.1 ] 11. PERFORMANCE STANDARDS The Permittee shall maintain and operate the subject reclaimed water distribution facilities so there is no discharge to surface waters, nor any contravention of groundwater or surface water standards. In the event the facilities fail to perform satisfactorily, including the creation of nuisance conditions due to improper operation and maintenance, the Permittee shall take immediate corrective actions, including Division required actions, such as the construction of additional or replacement reclaimed water distribution facilities, or cessation of reclaimed water distribution. [15A NCAC 02T .0108(b)(1)(A)] 2. This permit shall not relieve the Permittee of their responsibility for damages to groundwater or surface water resulting from the operation of this facility. [15A NCAC 02T .0108(b)(1)(A)] 3. Construction of the reclaimed water distribution facilities permitted herein shall be scheduled as not to interrupt service of existing utilities. [15A NCAC 02T .0108(b)(1)(A)] 4. All reclaimed water valves, storage facilities, and outlets shall be tagged or labeled to warn the public or employees that the water is not intended for drinking. [15A NCAC 02U .0403(b)] 5. All reclaimed water piping, valves, outlets, and other appurtenances shall be color -coded, taped, or otherwise marked to identify the source of the water as being reclaimed water as follows: a. All reclaimed water piping and appurtenances shall be either colored purple (Pantone 522 or equivalent) and embossed or integrally stamped or marked "CAUTION: RECLAIMED WATER - DO NOT DRINK" or be installed with a purple (Pantone 522 or equivalent) identification tape or polyethylene vinyl wrap. The warning shall be stamped on opposite sides of the pipe and repeated every three feet or less; b. Identification tape shall be at least three inches wide and have white or black lettering on purple (Pantone 522 or equivalent) field stating "CAUTION: RECLAEvMD WATER - DO NOT DRINK". Identification tape shall be installed on top of reclaimed water pipelines, fastened at least every 10 feet to each pipe length and run continuously the entire length of the pipe; and c. Existing underground distribution systems retrofitted for the purpose of conveying reclaimed water shall be taped or otherwise identified as noted IV.5.a. and IV.5.b. This identification need not extend the entire length of the distribution system but shall be incorporated within 10 feet of crossing any potable water supply line or sanitary sewer line. [I5A NCAC 02U .0403(c)] 6. All reclaimed water valves and outlets shall be of a type, or secured in a manner, that permits operation by personnel authorized by the entity that operates the reclaimed water system. [15A NCAC 02U .0403(d)] 7. Hose bibs shall be located in locked, below grade vaults that shall be labeled as being of non -potable quality. As an alternative to the use of locked vaults with standard hose bib services, other locking mechanisms such as hose bibs that can only be operated by a tool may be placed above ground and labeled as non-potablc water. [15A NCAC 02U .0403(e)] 8. There shall be no direct cross -connections between the reclaimed water and potable water systems, unless such connection has been approved by the Department pursuant to 15A NCAC 18C .0406. [15A NCAC 02U .0403(f)] WQ0040584 Version 1.0 Shell Version 180901 Page 2 of 6 9. Reclaimed water distribution lines shall be located at least 5 feet horizontally from and 18 inches below any water line if practicable. If these separation distances cannot be met, the piping and integrity testing procedures shall meet water main standards in accordance with 15A NCAC 18C. [15A NCAC 02U .0403 (h)] 10. Reclaimed water distribution lines shall not be less than 50 feet from a well unless the piping and integrity testing procedures meet water main standards in accordance with 15A NCAC 18C, but in no case shall they be less than 25 feet from a private well. [15A NCAC 02U .0403(i)] 11. Reclaimed water distribution lines shall meet the separation distances to sewer lines in accordance with 15A NCAC 02T .0305. [15A NCAC 02U .04030)] III. OPERATION AND MAINTENANCE RE UIREMENTS 1. The Permittee shall operate and maintain the subject facilities as a non -discharge system. [15A NCAC 02U .0101] 2. The Permittee shall maintain an Operation and Maintenance Plan, which shall include: a. A description of the operation of the system in detail to show what operations are necessary for the system to function and by whom the operations are to be conducted; b. A sampling and monitoring plan to evaluate quality of reclaimed water within the distribution system to provide quality assurance at the time of reuse, and specify actions to be taken in response to unsatisfactory monitoring results; c. A map of all reclaimed water distribution lines; d. A description of anticipated maintenance of the system; e. Provisions for safety measures, including restriction of access to the site and equipment; and £ Spill control provisions that include response to upsets and bypasses, including control, containment, and remediation, and contact information for personnel, emergency responders, and regulatory agencies. [15A NCAC 02U .0801(a)] Only reclaimed water generated from Utley Creek WWTP Reclaimed Water System (Permit No. WQ0032289) shall be conveyed in the reclaimed water distribution facilities permitted herein. [15A NCAC 02U.01011 WQ0040584 Version 1.0 Shell Version 180901 Page 3 of 6 IV. MONITORING AND REPORTING REQUIREMENTS 1. The Permittee shall conduct and report any Division required monitoring necessary to evaluate this facility's impact on groundwater and surface water. [15A NCAC 02T .0108(c)] 2. Noncompliance Notification: The Permittee shall report to the Raleigh Regional Office, telephone number (919) 719-4200, within 24 hours of first knowledge of the following: a. Any failure rendering the reclaimed water distribution facilities incapable of adequately conveying the reclaimed water (e.g., mechanical or electrical failures, line blockages or breaks, etc.). Any failure resulting in a discharge to surface waters. c. Any discharge to land surface greater than or equal to 5,000 gallons. The Permittee shall document discharges less than 5,000 gallons to land surface, but do not require Regional Office notification. Emergencies requiring reporting outside normal business hours shall call the Division's Emergency Response personnel at telephone number (800) 662-7956, (800) 858-0368, or (919) 733-3300. All noncompliance notifications shall file a written report to the Raleigh Regional Office within five days of first knowledge of the occurrence, and this report shall outline the actions proposed or taken to ensure the problem does not recur. [15A NCAC 02T .0108(b)(1)(A)] V. INSPECTIONS 1. The Permittee shall perform inspections and maintenance to ensure proper operation of the reclaimed water distribution facilities. [15A NCAC 02U .0801(i)] 2. The Permittee shall inspect the reclaimed water distribution facilities to prevent malfunctions, facility deterioration, and operator errors that may result in discharges of wastes to the environment, threats to human health, or public nuisances. The Permittee shall maintain an inspection log that includes the date and time of inspection, observations made, and maintenance, repairs, or corrective actions taken. The Permittee shall maintain this inspection log for a period of five years from the date of the inspection, and this log shall be made available to the Division upon request. [15A NCAC 02U .0801(h), 02U .0801(i)] Division authorized representatives may, upon presentation of credentials, enter and inspect any property, premises, or place related to the reclaimed water distribution facilities permitted herein at any reasonable time for determining compliance with this permit. Division authorized representatives may inspect or copy records maintained under the terms and conditions of this permit, and may collect groundwater, surface water, or leachate samples. [G.S. 143-215.3(a)(2)] WQ0040584 Version 1.0 Shell Version 180901 Page 4 of 6 VI. GENERAL CONDITIONS 1. Failure to comply with the conditions and limitations contained herein may subject the Permittee to a Division enforcement action. [G.S. 143-215.6A, 143-215.613, 143-215.6C] 2. This permit is effective only with respect to the nature and volume of wastes described in the permit application, and Division -approved plans and specifications. [G.S. 143-215.1(d)] 3. Unless specifically requested and approved in this permit, there are no variances to administrative codes or general statutes governing the construction or operation of the facilities permitted herein. [15A NCAC 02T .0105(n)] 4. The issuance of this permit does not exempt the Permittee from complying with all statutes, rules, regulations, or ordinances that other jurisdictional government agencies (e.g., local, state, and federal) may require. [15A NCAC 02T .0105(c)(6)] 5. If the permitted facilities change ownership, or the Permittee changes their name, the Permittee shall submit a permit modification request on Division -approved forms. The Permittee shall comply with all terms and conditions of this permit until the permit is transferred to the successor -owner. [G.S. 143- 215.1(d3)] 6. The Permittee shall retain a set of Division -approved plans and specifications for the life of the facilities permitted herein, [15A NCAC 02T .0105(o)] 7. This permit is subject to revocation or modification upon 60-day notice from the Division Director, in whole or part for: a. violation of any terms or conditions of this permit or Administrative Code Title 15A Subchapter 02U; b. obtaining a permit by misrepresentation or failure to disclose all relevant facts; c. the Permittee's refusal to allow authorized Department employees upon presentation of credentials: i. to enter the Permittee's premises where a system is located or where any records are required to be kept; ii. to have access to any permit required documents and records; iii. to inspect any monitoring equipment or method as required in this permit; or iv. to sample any pollutants; or d. a Division determination that the conditions of this permit are in conflict with North Carolina Administrative Code or General Statutes. [15A NCAC 02T .0110] Permit issued this the 128' day of July 2019 NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION nda Culpepper, Director ivision of Water Resources By Authority of the Environmental Manage nt Commission Permit Number WQ0040586 WQ0040584 Version 1.0 Shell Version 180901 Page 5 of 6 Permit No. WQ0040586 Town of Holly Springs Trinity Creek — Phase 3C ENGINEERING CERTIFICATION ❑ Partial ❑ Final Reclaimed Water Distribution July 12, 2019 Wake County 1, as a duly licensed North Carolina Professional Engineer, having ❑ periodically / ❑ fully observed the construction of the permitted facilities, do hereby state to the best of my abilities that the facility was constructed in compliance with G.S. 143-215.1, Administrative Code Title 15A Subchapter 02U, this 'permit, and the Division -approved plans and specifications. Documentation of any variation to this permit, and the Division -approved plans and specifications, is in the attached as -built drawings. Description of variations: Professional Engineer's Name Firm Name Firm No. Address City State Zip Code Telephone Email 7 Seal, Signature, and Date THE COMPLETED ENGINEERING CERTIFICATION, INCLUDING ALL SUPPORTING DOCUMENTATION, SHALL BE SENT TO THE FOLLOWING ADDRESS: NORTH CAROLINA DEPARTMENT OF ENVIRONMENTAL QUALITY DIVISION OF WATER RESOURCES NON -DISCHARGE BRANCH By U.S. Postal Service By Courier/Special Delively 1617 MAIL SERVICE CENTER 512 N. SALISBURY ST. RALEIGH, NORTH CAROLINA 27699-1617 RALEIGH, NORTH CAROLINA 27604 WQ0040584 Version 1.0 Shell Version 180901 Page 6 of 6 SECTION 11.00 RECLAIMED WATER DISTRIBUTION SYSTEM TABLE OF CONTENTS 11.00 GENERAL 11.01 RECLAIMED WATER DISTRIBUTION PIPE A. Design B. Materials C. Installation 11.02 VALVES AND APPURTENANCES A. Valves B. Appurtenances 11.03 RECLAIMED WATER SERVICE TAPS A. Design B. Materials 11.04 RECLAIMED WATER IRRIGATION SYSTEMS A. General APPROVED B. Street Crossing North Carolina Environmental C. Hose Bibs Management Commission Division of Wa!er Resources 11.05 TESTING AND INSPECTION Date __TVL I Z.20 i;q A. General-- B. Testing Permit # �Gt o �10 58� C. Inspection 11.06 REPAIR OF RECLAIMED WATER SYSTEM FINAL 2015 RECEIVFD/NCDEQ/DWR !AN 18 2019 Non -Discharge Permitting Unit 11-1 ���aauna000a000 w 30 i m s o ° i o D. PA��,r` Supp 1 2016 Supp # 2 Aug. 2017 11.00 GENERAL A. All aspects of the design and construction of any portion of the reclaimed water distribution system shall, at a minimum, meet the requirements of the North Carolina Department of Environment and Natural Resource (NCDENR) Division of Water Resources (DWR). Requirements presented in the Town of Holly Springs Standard Specifications hereunder that are more restrictive or go above and beyond the requirements of DWR are required by the Town of Holly Springs. B. All Reclaimed water systems must be designed per North Carolina Administrative Code 15A NCAC 02U — Reclaimed Water, latest revision, the governing regulations. C. Extensions of the existing reclaimed water distribution system must adhere to any and all Policy Statements and/or Master Plans pertaining to the reclaimed water distribution system, and receive prior approval from the Director of Engineering, prior to consideration. D. Reclaimed water main extensions may require a detailed hydraulic report, signed and scaled by a North Carolina Professional Engineer, be submitted to the Director of Engineering and receive approval prior to construction drawing submittal. E. Reclaimed Water main extensions shall be submitted to the Director of Engineering for notification only. Engineering will forward to NCDENR for review and approval. F. Any reclaimed water that leaves the reclaimed water distribution system other than by means of a properly permitted use must be disposed of into the Town of Holly Springs sanitary sewer system. This includes any reclaimed water line flushing, and/or line breaks unless otherwise allowed by NCDENR rules. De minimus runoff from distribution air relief valves and blow -off is deemed permitted per NCDENR rules. Any reclaimed water that is not a properly permitted use or sent to a sanitary sewer must be reported and handled as if it were a wastewater spill. 11.01 RECLAIMED WATER DISTRIBUTION PIPE A. DESIGN 1. Location: Reclaimed water lines shall be extended along the roadway to the adjacent property line, All public reclaimed water mains shall be located within dedicated right of way or dedicated easements with a minimum width of 20 feet. See Section 2.10 for allowable landscape plantings within a Town of Holly Springs easement. FINAL 2015 11-2 Supp 12016 Supp # 2 Aug. 2017 2. Sizing: Reclaimed water mains shall be sized in accordance with good design procedures to provide adequate pressures throughout the system or as directed by the Director of Engineering. The minimum pipe size for reclaimed water mains shall be 4 inches. Installation: All utility extension permits must be obtained prior to construction utilizing appropriate application forms from NCDENR. All reclaimed water mains shall have a minimum cover of 4 feet measured from the top of the pipe to the finished grade. When reclaimed water mains are installed along a roadway which does not have curb and gutter, the reclaimed water main shall be installed at sufficient depth to prevent conflict with future road improvements or vertical alignment changes. 4. Relation to Potable Water Mains and Other Utilities a) Reclaimed water mains shall be laid with at least 5 feet horizontal separation from existing potable water mains or sanitary sewer mains, measured laterally edge to edge, b) Where a reclaimed water main and potable water main cross, and the vertical separation is less than 18 inches or the reclaimed water main passes above the potable water main, both the potable water main and the reclaimed water main shall be ductile iron pipe at least one whole pipe length from the crossing point with joints equivalent to water main standards. c) Reclaimed water mains should only cross sanitary sewer mains or potable water mains at an approximate 90 degree angle. d) The -minimum separation between reclaimed water mains and storm sewer mains must be either 5 feet horizontal or 2 feet horizontal with a vertical separation of 24 inches unless otherwise approved by the Director of Engineering. Where storm sewers cross reclaimed water with a vertical separation of less than 24 inches the segment of reclaimed water pipe shall be ductile iron pipe at least one whole pipe length from the crossing point with joints equivalent to water main standards. e) Where reclaim water main crosses under storm sewer main with a vertical separation less than 24 inches then reclaim water must be ductile iron minimum of 10 feet each side of crossing and properly marked as reclaim. f) Where sanitary sewer crosses reclaimed mains, a vertical separation of 18 inches must be maintained. FINAL 2015 11-3 Supp 12016 Supp # 2 Aug. 2017 g) Reclaimed water distribution lines shall not be Iess than 50 ft from a well unless the piping and integrity testing procedures meet water main standards, but in no case shall they be less than 25 feet from a private well or 50 ft from a public well. 5 Identification of Reclaimed Piping a. General: L All new distribution piping in the reclaimed water system, including service lines, valves and other appurtenances should either be colored purple (Pantone 522 or similar) and embossed or be integrally stamped/marked "CAUTION: RECLAIMED WATER -- DO NOT DRINK," or be installed with a purple identification tape, and a purple polyethylene vinyl wrap. ii. Existing potable or nonpotable water lines that are being converted to reclaimed water use should first be accurately located and tested in accordance with regulatory requirements. If required, the necessary actions to bring the line and appurtenances into compliance with regulatory standards should be taken. If the existing lines meet approval of the reclaimed water supplier and NCDENR, the lines can be approved for reclaimed water distribution. If verification of the existing lines is not possible, the lines should be uncovered, inspected, and identified prior to use. b} Polyethylene Wrap: Buried ductile iron pipe and fittings shall be wrapped with a purple colored polyethylene membrane conforming to ANSI A21.5, and 'installed in accordance with AWWA C105. The polyethylene sheets shall be 8 mils thick, minimum, and be colored purple (Pantone 522 or similar). c) Tracer Wire: Tracer wire shall be installed along those portions of reclaimed water main located outside existing or future street pavement. Tracer wire shall be installed as shown in the Details. d) Identification Tppe: Identification tape should be prepared with white or black printing on a purple field (Pantone 522 or similar) having the words "CAUTION: RECLAMED WATER -- DO NOT DRINK." The overall width of the tape should be at least 3 inches. ii. Identification tape should be installed on the top of the distribution piping longitudinally and should be centered over the pipe. The identification should 'be continuous in its coverage on the pipe and FINAL 2015 11-4 Supp 12016 Supp 9 2 Aug. 2017 should be fastened to each pipe length no more than 10 feet apart. Tape attached to sections of pipe before they are placed in the trench should have flaps sufficient for continuous coverage. Other satisfactory means of securing the tape during backfill of the trench may be used if suitable for the work, as determined by the Director of Engineering. iii. The identification tape differentiating the reclaimed water piping from other utility lines should be consistent throughout the service area. e) Signage L The public shall be notified of the use of reclaimed water. ii. Advisory signs shall be posted around reclaimed water irrigation activities in public areas, adjacent to ponds used to store reclaimed water in public areas, and at decorative water features that use reclaimed water. B. MATERIALS Material: All reclaimed water main distribution pipe 4" thru 12" diameter shall be C900 PVC pipe. All reclaimed water train distribution pipe greater than 12" diameter shall be C905 PVC. Ductile Iron Pipe shall only be used in special cases and with the Director of Engineering approval. New manufacturers must submit requests for approval to the Director of Engineering. Additional information such as catalogs, list of installations in the area or material samples may be required. A written response will be mailed to the applicant accepting or rejecting the product within. 90 days of the receipt of all necessary information. 2. Ductile Iron Pipe: a) This material shall only be used for reclaimed water lines with Director of Engineering's approval. b) Buried ductile iron pipe and fittings shall be wrapped with a purple colored polyethylene membrane conforming to ANSI A21.5, and installed in accordance with AWWA C105. The polyethylene sheets shall be 8 mils thick, minimum, and be colored purple (Pantone 522 or similar). c) Ductile iron pipe shall be designed and manufactured in accordance with AWWA C150 and C151. The minimum required pressure ratings for ductile iron pipe installed at a Type 2 laying condition are tabulated below. For all other installations other than specified, the laying condition or the minimum pressure class rating shall be increased in accordance with AWWA C151. Pipe Diameter Depth of Cover Pressure Class 6-8 -inch 3-20 feet 350 psi 10-12 -inch 3-14 feet 350 psi FINAL 2015 11-5 Supp 12016 Supp # 2 Aug. 2017 14-20 -inch 3-10 feet 250 psi 24-64 -inch 3 - 8 feet 150 psi d) Pipe joints shall be of the push -on type as per AWWA C111. Pipe lining shall be cement mortar with a seal coat of bituminous material in accordance with AWWA C104. Galvanized steel pipe will not be allowed as a material for reclaimed water mains or reclaimed water service lines. PVC Pipe: a) PVC pipe (4" to 12") shall be designed and manufactured in accordance with AWWA C900. PVC pipe larger than 12" shall be designed and manufactured in accordance with AWWA C905. The PVC pipe shall be made of virgin PVC resin that provides chemical and physical properties that meet or exceed cell class 12454-B as defined in ASTM D1784. All PVC pipe shall be supplied in standard laying lengths of 20 feet. Pipe shall be furnished in factory packaged units, with each joint plainly marked with the manufacturer's name, pressure class, size, etc. PVC pipe shall have integral wall, bell and spigot joints fabricated with elastomeric gaskets that meet or exceed the performance requirements of ASTM D3139 and F477. Fittings used on PVC pip shall be AWWA C153 compact ductile iron fittings. b) All PVC pipe supplied for reclaimed water applications shall be color coded purple (Pantone 522 or similar) as required by15A NCAC 02U -- Reclaimed Water). c) Furnish pipe for the following minimum pressure classes as indicated. Diameter 4"-12", C900 Pressure Class 150, SDR 18 Diameter 14" and larger, C905 Pressure Class 165, DR18. C. INSTALLATION 1. Ductile iron pipe shall be installed in accordance with the requirements of AWWA C600 and the Ductile Iron Pipe Handbook published by the Ductile Iron Pipe Research Association. At a minimum, all ductile iron pipe shall be installed at a Type 2 laying condition as specified by AWWA C600. 2. PVC pipe shall be installed in accordance with AWWA C605, At a minimum, all PVC pipe shall be installed at a Type 3 laying condition as specified by AWWA C605. 3. Materials at all times shall be handled with mechanical equipment or in such a manner to protect them from damage. At no time shall pipe and fittings be dropped or pushed into ditches. FINAL 2015 11-6 Supp 12016 Supp # 2 Aug. 2017 4. Pipe and fitting interiors shall be protected from foreign matter and shall be inspected for damage and defects prior to installation. In the event foreign matter is present in pipe and fittings, it shall be removed before installation. Open ends of pipe shall be plugged or capped when pipe laying is not in progress. 5. All pipes shall be in nominal lengths of eighteen or twenty feet and shall be installed with at least 48 inches of cover below the finished subgrade. Pipe shall be laid on true lines as directed by the Director of Engineering. Trenches shall be sufficiently wide to adjust the alignment. Bell holes shall be dug at each joint to - permit proper joint assembly. The pipe shall be laid and adjusted so that the alignment with the next succeeding joint will be centered in the joint and the entire pipeline will be in continuous alignment both horizontally and vertically. Pipe joints shall be fitted so that a thoroughly watertight joint will result. All joints will be made in conformance with the manufacturer's recommendations for the type -of joint selected. All transition joints between different types of pipe shall be made with transition couplings approved on shop drawings showing the complete assembly to scale. 6. Prior to beginning construction, the Contractor shall contact local utility companies and verify the location of existing utilities. The Contractor shall be completely and solely responsible for locating all existing buried utilities inside the construction zone before beginning excavation, The Contractor shall be solely responsible for scheduling and coordinating the utility location work. When an existing utility is in conflict with construction, it shall be exposed prior to beginning construction to prevent damage to the existing utility. 7. Valves in the existing Town of Holly Springs water system shall not be operated without a minimum notice of 24 hours to the Director of Engineering and the Director of Public Utilities. The Contractor shall operate valves only in accordance with Town of Holly Springs Engineering Design and Construction Standards. 11.02 VALVES AND APPURTENANCES A. VALVES General a) Valves shall be installed on all branches from feeder reclaimed water mains according to the following schedule: 4 valves at crosses; 3 valves at tees. When a loop section of reclaimed water line is connected back into the feeder reclaimed water main within a distance of 200 feet or less, only one valve will be required in the feeder reclaimed main. Reclaimed water main extensions or mains extending at a project phase line shall include a valve and one additional standard length of pipe with a cap and a temporary blow -off assembly. FINAL 2015 11-7 Supp 12016 Supp # 2 Aug. 2017 b) Where no reclaimed water line intersections are existing, a main line valve shall.be installed at every 100 Feet per- 1 inch diameter main up to a distance of 1000 feet between valves. In addition the Town of Holly Springs reserves the right to require additional isolation valves where necessary for efficient operation and maintenance. c) Valves shall be properly located, operable and at the correct elevation. All valves and reducers shall be rodded to the tee or cross if one is located within 10 feet as shown in the Details. If reducers cannot be nodded, concrete blocking or other restraining methods will be required. The maximum depth of the valve nut shall be 5 feet. When valve extension kits are used, they must be manufactured by the same company which manufactured the valve. 2. Combination Air Valves a) Combination air valves shall be installed at all high points of reclaimed water lines 12" inches in diameter or larger and at other locations as directed by the Town of Holly Springs. The reclaimed water main shall be installed at a grade which will allow the air to migrate to a high point where the air can be released through an air valve. A minimum pipe slope of 1 foot in 500 feet should be maintained. The valve shall have a minimum two (2) inch NPT inlet and 200-PSiG working pressure. Combination air valves shall be sized by the Engineer and approved by the Town of Holly Springs. b) Combination air valves shall be of the single housing style that combines the operation of both an air/vacuum and air release valve. The valve must meet the requirements of AWWA C512 and be installed in accordance with the Details. c) Manholes installed for the combination air valves shall meet all requirements of Section 7.00. 3. Gate Valves a) Gate valves 2 inches and greater shall meet all requirements of AWWA C500 for a working pressure of 200 psi. All gate valves shall be mechanical joint with iron body, bronze mounting double disc parallel seat type with a non - rising stem and open left with a double O-ring seal. b) Gate valves, up to and including 12 inches, shall be installed in a vertical position. c) Gate Valves 16 inches and larger must be approved by the Director of Engineering. They may be installed horizontally and equipped with bevel gears, grease case, rollers, tracks scrapers, and a bypass located on the side of FINAL 2015 11-8 Supp 12016 Supp 9 2 Aug. 2017 the body (fully revolving disc valves shall not require rollers), or vertically and be equipped with spur gears enclosed in a grease case and with a bypass Iocated on the side of the body. In either case, the roller and scraper operators shall be installed in a manhole that meets all requirements of Section 7.00. 4. Resilient Seat Wedge Gate Valves: Resilient seat wedge gate valves shall be manufactured in accordance with AWWA C509 for a working pressure of 200 psi. All shall be mechanical joint with iron body, open left with a non -rising stem and two 0-ring stem seals. All ferrous surfaces, both inside and outside, shall be protected by a fusion -bonded epoxy coating. Butterfly Valves: Butterfly Valves may be installed in reclaimed water mains 24 inches or greater with the permission of the Director of Engineering. All butterfly valves shall meet the requirements of AWWA C504 with mechanical joints, 2 inch open left operating nut. Valves installed on reclaimed waterlines at depths greater than 6' (measured to top of pipe) shall be installed in a manhole (see Section 7.00) as shown in the Details. Valves designated by the Town of Holly Springs to potentially have a remote actuator shall be installed in a manhole (see Section 7.00) as shown in the Details. 6. Valve Boxes a) Valve boxes shall be cast iron, screw or telescopic type, with a 5 inch opening. Valve box ring adjustments will not be allowed. All valve boxes shall be furnished with an approved operating key which shall allow operation by authorized personnel only. b) Valve box covers shall be square in shape (NOT round) and shall be designed for AASHTO H-20 truck loadings. All valve box covers shall be of non - interchangeable shape with potable water covers, and cast on the top surface with a recognizable inscription indicating "Reclaimed Water". All valve box covers shall be painted purple (Pantone 522 or similar). c) The valve box shall be centered over the wrench nut and seated on compacted backEll without touching the valve assembly. All valve boxes shall be encased in a trowel finished 2' x 2' x 6" pad of 3000-psi concrete beneath the asphalt with the cover flush with the top of the pavement or flush with the finished grade. Precast concrete valve box encasements may not be used for valve box encasement outside of paved areas. The maximum depth of the valve nut shall be 5 feet. When valve extension kits are used, they must be manufactured by the same company that manufactured the valve. B. APPURTENANCES 1. Pipe Fittings: Pipe fittings shall be cast or ductile iron designed and manufactured as per AWWA C110. Sizes of fittings up to and including 12 FINAL 2015 I1-9 Supp 12016 Supp # 2 Aug. 2017 inches shall be designed for an internal pressure of 250 psi, and larger size fittings shall be designed for an internal pressure of 150 psi. Compact ductile iron mechanical joint fittings designed and manufactured as per AWWA C111 are also acceptable. Joints for fittings shall be mechanical and lined with cement mortar with a seal coat of bituminous material, all in accordance with AWWA C104. 2. Blowoffs a) Blowoffs installed at the end of cul-de-sacs shall be a minimum of 4" inches. Blowoffs installed on transmission and distribution mains shall be a minimum of 4 inches. Where there is not sufficient pressure to thoroughly flush the system, a larger blowoff will be required. b) Blowoff Assemblies shall be constructed as shown in the Details. The valves shall be gate type with a non -rising stem and a 2 inch operating nut, O-ring seals and screwed ends. A full size valve is required on mains that are planned to be extended. c) -Blowoffs shall be directed in a non -erosive manner to a stabilized grassed area at least 50 ft. from a jurisdictional feature or directed into the closest sanitary sewer manhole. d) All valve boxes for blowoffs are required to have locking devices. 3. Thrust Restraint: Reaction blocking for all fittings or components subject to hydrostatic thrust shall be securely anchored by the use of concrete thrust blocks poured in place or restrained joint piping as described below a. Concrete thrust blocks shall be poured in place with reaction areas as shown in the Details. No concrete shall interfere with the removal of fittings. Material for reaction blocking shall be 3000 psi concrete. A minimum 4 mil plastic shall cover the fitting to ensure that no concrete will interfere with removal of the fitting. b. PVC Bell Joint Restraint - All PVC bell joints shall be restrained for both C900 and C905 PVC pipe. The bell joint restraint shall consist of either an approved restrained PVC joint provided by the same manufacturer of the PVC pipe or an approved bell joint restraint harness. All bell joint restraint harness assemblies shall be made of ductile iron pipe (DIP), coated with a manufacturer applied epoxy coating or polyester powder coating, including stainless steel bolts, nuts and rods. The bell joint restraint harness shall be manufacturer approved for use with PVC pipe and rated for at least 200-psi with a 3:1 safety factor. FINAL 2015 11-10 Supp 12016 Supp # 2 Aug. 2017 c. All valves and fittings shall be restrained to C900 or C905 pipe with an approved wedge action retainer gland or other approved restraining method. All DIP fittings for reclaimed water use shall be identified by purple painting or wrapping with polyethylene wrap (Pantone 522 or similar). Alternative restraining methods and mechanical joint restraints may be used upon approval by the Director of Engineering. 11.03 RECLAIMED WATER SERVICE TAPS A. DESIGN 1. Individual reclaimed water services, and multiple branch services, shall be provided from the reclaimed water main to each reclaimed water meter for single customer locations in accordance with the Details. All connections shall be made by wet taps. Service connections shall be made perpendicular to the reclaimed water main and shall run straight to the reclaimed water meter. 2. All reclaimed water meter boxes and vaults shall be located at the edge of the serviced lot's right of way or easement. Reclaimed water meter boxes shall not be placed in streets, sidewalks, parking areas or obstructed by fencing or buildings. Exceptions to these conditions will be at the direction of the Director of Engineering. 3. Service taps to existing reclaimed water mains shall be made by the Town of Holly Springs. Service taps to new reclaimed water mains shall be made by the Contractor in accordance with the Specifications. 4. Water meters shall be sized based on applicant water budget calculations using the approved method. Water meter size shall be determined from the following table; or as otherwise specified by the Director of Engineering. Multiple branch services size shall be determined by the designer. FINAL 2015 11-11 Supp 12016 Supp # 2 Aug. 2017 METER SIZING GUIDE Meter Size Flow Range (inches) (GPM) 3/4" PD 0 - 20 1" PD 20 - 50 11/2" PD 50 - 100 2" C 100 - 200 3" C 200 - 400 4" C 400 - 600 PD = Positive Displacement T = Turbine (may be required on a case -by -case basis) C = Compound (must be sized on a case -by -case basis) 5. Service taps greater than 2 inches shall be made by a Contractor of the Developer. B. MATERIALS 1. Taps: Direct taps shall not be allowed on C900 or C905 PVC mains. The maximum allowable size for saddle taps is 2". All taps larger than 2-inches shall be installed by inline fittings or tapping sleeves. All tapping of C900 or C905 PVC mains shall be implemented with shell type cutting tools classified for use with PVC pipe that retains the coupon cut while penetrating the pipe wall, use of twist drill bits and auger bits shall be prohibited. The maximum size of direct taps without a fitting, tapping sleeve or saddle for ductile iron mains shall be as follows: 4" main - 3/4" tap 6" main - 1" tap 8" main - 1 1 /4" tap 10" main - 1 1/2" tap 12" main - 2" tap 2. TappingTqpping Sleeves: Tapping Sleeves shall be made of either cast iron or stainless steel. The sleeve shall be two-piece with mechanical joint to the main line and flanged to the tapping valve. Cast iron shall meet AWWA CI10 specifications. Stainless steel shall meet AWWA C223 specifications. All sleeves shall require FINAL 2015 11-12 Supp 12016 Supp # 2 Aug. 2017 full circumferential gasket. All tapping sleeves shall be manufactured and approved for installation on the specific main line pipe material (DIP, C900, C905). TappingTqpping Saddles: Tapping Saddles shall be used on reclaimed water mains 16 inches and larger. Saddles shall be made of ductile iron providing a factor of safety of 2.5 with a working pressure of 250 psi. Saddles shall be equipped with an AWWA C110 flange connection on the branch. Scaling gaskets shall be 0- ring type, high quality molded rubber having an approximate 70 durometer hardness, placed into a groove on the curved surface of the saddles. Straps shall be alloy steel. The maximum size saddle outlet for each size of pipe to be tapped shall be as follows: Size pipe Maximum size to be tapped Saddle Outlet 16" 8" 1815 8„ 20" 10" 24" and larger 12" 4. Co oration Stops: Corporation Stops shall be ball type, made of brass and complete with a compression or flared coupling and AWWA Standard threads as per AWWA C800. Taps shall be located at 10:00 or 2:00 o'clock on the circumference of the pipe. Service taps shall be staggered alternating from one side of the reclaimed water main to the other and at least 12 inches apart. The taps must be a minimum of 24 inches apart if they are on the same side of the pipe. No burned taps will be allowed and each corporation stop will be wrapped with Teflon tape for ductile iron pipe reclaimed water mains. No tapping shall be made where rodding is placed. 5. Service Saddles: Service saddles shall be bronze body (85-5-5 waterworks brass) and double strap for taps with silicon bronze nuts conforming to ASTM A98 and factory installed grade 60 rubber gaskets. Service saddles shall be approved by the manufacturer for use on C900/C905 PVC mains. Service Tubing: Copper service tubing shall be type K soft copper tubing per ASTM B88. No union shall be used in the installation of the service connection of 100-feet or less. The longest available length of service line shall be used with no unions (e.g. for 3/4 inch, only 1 union will be allowed for each 100 foot section), Unions shall be made with flare type couplings. Copper service tubing shall be installed with a purple colored polyethylene wrap. 7. Coppersetters for 1/4 and 1 inch Reclaimed Water Services: All 3/4 and 1 inch reclaimed water services shall be installed with coppersetters as shown in the Details. All coppersetters shall be as manufactured by Mueller or Ford at the dimensions shown in the Details. All coppersetters shall be installed with a FINAL. 2015 11-13 Supp 12016 Supp # 2 Aug. 2017 lockable angle ball valve assembly and outlet angle check valve on all size setters. Coppersetters shall be installed with flare fittings and all coppersetter assemblies shall be provided as shown in the Details with galvanized brace pipes for additional stability. All installations shall provide the coppersetter properly aligned with the meter box reader lid such that the meter is clearly visible below the reader lid. 8. Meter Boxes for 3/4 inch services: 3/4 inch meter boxes shall be light weight polymer concrete as shown in the Details. Meter boxes for 1/a-inch reclaimed water services shall provide a cover opening of 1 I X 18 inches and boxes shall measure at least 18-inches in depth. Meter boxes and covers shall be rated for "heavy duty" uses, such as alleys, driveways, parking lots, etc. Standard meter box covers shall not bolt down to the box. The box interior walls and covers shall be consistently color -coded purple (Pantone 522 or similar). All covers shall include a 4 X 6 inch cast iron reader lid with the words "RECLAIMED WATER — DO NOT DRINK" cast into the lid in 1-1/2" tall lettering. The Town of Holly Springs reserves the right to require all meter box covers to include brackets and housing for "ITRON" compatible transponders for automated meter reading systems. All meter boxes and covers shall be installed as shown in the Details. 9. Meter boxes for 1 inch services: I -inch meter boxes shall be Iight weight polymer concrete as shown in the Details. Meter boxes for 1-inch reclaimed water services shall provide a cover opening of 11 X 18 inches and boxes shall measure at least 18-inch in depth. Meter boxes and covers shall be rated for "heavy duty" uses, such as alleys, driveways, parking lots, etc. Standard meter box covers shall not bolt down to the box. The box interior walls and covers shall be consistently color -coded purple (Pantone 522 or similar). All covers shall include a 4 X 6 inch cast iron reader lid with the words "RECLAIMED WATER — DO NOT DRINK" cast into the lid in 1-1/2" tall lettering. The Town of Holly Springs reserves the right to require all meter box covers to include brackets and housing for "ITRON" compatible transponders for automated meter reading systems. All meter boxes and covers shall be installed as shown in the Details. 10. Meter boxes for 1 % and 2 inch services: 1 1/2" and 2" meter boxes shall be light weight polymer concrete as indicated in the Standard Details. All meter box interiors and covers shall be consistently color -coded purple (Pantone 522 or similar). Covers shall be marked on the top surface with a recognizable inscription indicating "RECLAIMED WATER — DO NOT DRINK" in 1-1/2" tall lettering. Piping for 1 1/2 and 2 inch reclaimed water meters shall be constructed from brass and copper tubing and shall be equipped with angled check valve outlets and by-pass flanged valve or by-pass flanged ball valve inlets. The box shall have an open bottom to allow drainage through stone. 11. Meter Vaults: Meter vaults and access doors within street right of way shall meet HS-20 loading requirements and shall be located outside of travel areas. The access double doors shall be aluminum with a flush drop lift handle, stainless steel FINAL 2015 11-14 Supp 12016 Supp # 2 Aug. 2017 hinges and bolts, a stainless steel slam Iock, an automatic hold open arm, and compression springs to allow for easy opening. Covers shall be marked on the top surface with recognizable inscription indicating "Reclaimed Water -Do Not Drink" 12. Reclaimed Water Meters: Reclaimed water meters for 1/4" to 2" services will be provided by the Town of Holly Springs. Larger meters shall be provided by the developer as directed by the Director of Engineering. Reclaimed water meters, registers and covers shall be purple (Pantone 522 or similar). 11.04 RECLAIMED WATER IRRIGATION SYSTEMS A. GENERAL All reclaimed water irrigation systems within public street right of way require an encroachment agreement from the Town of Holly Springs or NCDOT prior to installation. Plans designating the location, size, material, and depth shall be submitted with the agreement application to the Engineering Department. Pipe material for the irrigation mainline proposed to be used within the public right of way shall be Schedule 40 PVC or greater. All pipe, fittings, and appurtances shall be purple (Pantone 522 or similar). A minimum depth of 2 feet of cover shall be provided. A soil evaluation is necessary in order to determine the loading rate for irrigation permits. A soil evaluation has been completed for Green Oaks Parkway median and initial lots of the Twelve Oaks Subdivision which specified a maximum rate of 0.5 in/hr. This only applies to this small area. Any design outside of this area will need to complete an independent soil evaluation. All reclaimed water irrigation systems are required to secure permits from the Code Enforcement Department and the Department of Engineering prior to installation and shall be inspected after installation. A separate meter is required for irrigation systems. For single family irrigation design, a CID, PE, or LA is required to develop the plan. For non -single family irrigation system designs, a PE must develop the plan. Impoundments for reclaimed water storage for large scale irrigation systems or aesthetic/decorative water features shall be designed in accordance with 15A NCAC 02U — Reclaimed Water. Service lines from mainline tap to the meter are installed and identified per the Town of Holly Spring's Standard Details. There shall be no direct cross -connection between potable and reclaimed water supplies. FINAL 2015 11-15 Supp 12016 Supp # 2 Aug. 2017 B. DESIGNS Sprinklers chosen and located to maintain the following setbacks from the irrigation area to the following features: a. 25 feet from surface waters (perennial and intermittent streams, wetlands) not classified as tidal salt waters or high quality water (SA). b. 100 feet from surface waters (perennial and intermittent streams, wetlands classified as tidal salt waters or high quality water (SA). c. 100 feet from any water supply well (not including monitoring wells). d. Sprinklers located on a steep slope have check valves installed on all the heads on that irrigation zone. e. No mainlines or valves shall be allowed within the utility/devil strip. Laterals will be allowed and shall be placed within 1 ft of sidewalk. f. The zoning of the irrigation system must allow that plants with different water requirements (such as grass and shrubs) are on separate zones. In addition the irrigation design should consider the different microclimates found in most landscapes. (such as north facing grass areas vs. south facing grass areas) and separate those microclimates into zones. These zoning practices may add slightly to the installation cost of an irrigation system, but can have a dramatic effect on system efficiency. g. Guidelines on pressure at the head/emitter: Spray Heads 20 to 35 psi; gear rotors 60 psi or less; impact rotors 60 psi or less; drip emitters 40 psi or less. h. Large commercial systems which have the potential to place undue burdens (demand or pressure requirements) on the Town of Holly Springs' public reclaimed distribution system must include on -site storage and/or pumping facilities. This determination will be made by the Director of Engineering. Design, operation, and maintenance of such on -site facilities shall be the sole responsibility of the applicant. These additional facilities must be designed in accordance with 15A NCAC 02U — Reclaimed Water. C. STREET CROSSING All irrigation line street crossings shall be contained within a ductile iron or steel casing pipe. The Town of Holly Springs may, in some instances, permit irrigation systems installed in the medians of Town -maintained roadways. These systems must also have french drains installed behind the curb and gutter and piped to a storm drainage collection system. These systems shall be allowed only when some permanent mechanism is established for the private perpetual maintenance of the system(s). D. HOSE BIBS Hose bibs are not permitted for the reclaimed water system. Rain sensors must be installed to reduce the likelihood of overwatering. FINAL 2015 I1-16 Supp 12016 Supp # 2 Aug. 2017 1.1..05 TESTING AND INSPECTION A. GENERAL All reclaimed water used in testing and inspection must be disposed of properly as. described in Section 11.00. 2. AlI materials must be approved by the Inspector prior to installation. Materials rejected by the Town of Holly Springs' Inspector shall be immediately removed from the job site. Under no circumstance shall any waterline system valve be operated without prior approval by the Construction Inspector. Damage to Town of Holly Springs infrastructure resulting from illegal operation of valves shall be the responsibility of the Contractor. In addition, the Contractor shall be subject to a fine for operating a valve without prior approval. 4. The Contractor shall furnish all materials, labor, equipment, and shall pay for the water used to perform all testing and inspections to the satisfaction of the Construction Inspector. The Contractor shall obtain a Blowoff Permit from the Town of Holly Springs Engineering Department for use when blowing off reclaimed water mains. 5. Reclaimed water service taps shall not be made until after all main testing is completed, and bacteriological testing is satisfactory. B. TESTING Hydrostatic Testin a) All valves in the Town of Holly Springs reclaimed water system shall be operated by the Town of Holly Springs. A section of reclaimed water main which is to be hydrostatically tested shall be slowly filled with water at a rate which will allow complete evacuation of air from the line. Hand pumps shall not be used for the pressure testing of reclaimed water mains. Taps used for testing purposes shall be removed after testing. The corporation stops shall be removed and a threaded tapered plug shall be installed on the line. When approved by the Town of Holly Springs, the Contractor may utilize potable water or reclaimed water via an approved hydrant meter and RPZ assembly for testing and disinfection of new reclaimed mains which are not physically connected to a live reclaimed water supply. Once reclaimed water has been introduced into the system no direct connection to potable water will be allowed and an approved air gap assembly must be used. FINAL 2015 11-17 Supp 12016 Supp # 2 Aug. 2017 b) Any measured leakage not within the allowable limits as specified in the following table shall require repair of the reclaimed water main and additional testing until the standards are met. For pipe sizes other than those shown, the Contractor shall test within the allowable leakage amounts as specified by AWWA C600-99. All visible leaks shall be repaired regardless of the amount of leakage. Pipe Size (Inches) 4 6 8 12 16 20 24 2. Chlorination AIlowable Leakage at 200-psi (Gal./fIr. per 1000 feet of pipe) 0.43 0.64 0.85 1.28 1.70 2.12 2.55 a) All additions or replacements to the reclaimed water system shall be chlorinated before being placed in service under the supervision of the Town of Holly Springs' Inspector in the following manner: i. Taps shall be made at the control valve at the upstream end of the reclaimed water main and at all extremities of the line including valves. ii. A solution of water containing 70% HTH available chlorine shall be introduced into the reclaimed water main by regulated pumping at the control -valve tap. The solution shall be of such a concentration that the reclaimed water main shall have a uniform concentration of 50 ppm total chlorine immediately after chlorination. The chart below shows the required quantity of 70% HTH compound to be contained in solution in each 1,000 feet section of line to produce the desired concentration of 50 ppm. Pipe Size Pounds High Test Hypochlorite (70%) (inches) per 1000 feet of line 6 1.76 8 3.12 10 4.84 12 7.00 14 9.52 16 12.44 FINAL 2015 11-18 Supp 1 2016 Supp ## 2 Aug. 2017 20 19.52 24 28.00 iii. The HTH Solution shall be circulated in the reclaimed water main by opening the control valve and systematically manipulating blowoffs and taps at the reclaimed water main extremities. All reclaimed water leaving the system during this test must be disposed of through either an approved use or sent to the sanitary sewer. The HTH solution must be pumped in at a constant rate for each discharge rate so a uniform concentration will be produced in reclaimed water mains. iv. HTH solution shall remain in reclaimed water mains for no less than 24 hours or as directed by the Town of Holly Springs' Inspector. v. Extreme care shall be exercised at all times to prevent the HTH solution from entering existing reclaimed water mains. 3. Bacteriological Sampling a) Free residual chlorine after 24 hours shall be at least 10 ppm or the Town of Holly Springs' Inspector will require that the lines be rechlorinated. b) Flushing of reclaimed water mains may proceed after 24 hours, provided the free residual chlorine analysis is satisfactory. Reclaimed water leaving the system because of line flushing must be returned to a sanitary sewer. Flushing shall be continued until an orthotolidine check (or other method approved by the Town of Holly Springs) shows that the reclaimed water mains contain only the normal chlorine residual. Samples for bacteriological analysis shall be collected by the Town of Holly Springs' Inspector 24 hours after flushing is completed. The Contractor shall furnish the sample bottles, the testing agency and such help as may be required to secure these samples. The Contractor shall also submit the test results to the Town of Holly Springs' inspector. c) If test results are unsatisfactory, the Contractor shall immediately rechlorinate reclaimed water mains and proceed with such measures as are necessary to properly sterilize those reclaimed water mains. d) The new reclaimed water system shall be valved off from the existing reclaimed water system until a satisfactory bacteriological sample has been obtained and the Town of Holly Springs' Inspector has authorized the use of the new reclaimed water system. FINAL2015 11-19 Supp 12016 Supp 4 2 Aug. 2017 C. INSPECTIONS Approved plans and permit must be issued and available on -site before any inspections are performed. 2. Underground Inspections — before work is covered up/back filled: - Inspection of main line tap and piping to meter box; - Inspection of underground piping from meter box through irrigation system from meter to end of system to insure compliance with approved plan and standards; Final Inspection - IncIudes inspection of the location of all heads, type of heads, spacing of heads and throw pattern of each head and correct pressure; - Testing the system to ensure compliance with approved plans and Town of Holly Springs Ordinance; 4. A map of the approved valve and head layout shall be provided by the Contractor to the property owner and a copy placed near or with the timer. 5. AlI zones shall be clearly labeled in the timer cabinet. 6. Responsible entity shall be listed on inner door of timer (for emergency contact purposes). 7. Verification of required setbacks (reclaimed water). D. CROSS CONNECTION CONTROL 1. Backflow prevention on potable water services serving any property that is also served with reclaimed water is required in accordance with the Federal Safe Drinking Water Act. At all locations where reclaimed water service is provided, the public potable water supply shall be protected by installation of an approved backflow prevention device. a. For Residential Properties: prior to receiving reclaimed water service, a dual check valve shall be installed on each residential customer's potable water meter in order to protect the potable water system. A Reduced Pressure Principal (RPZ) type baclfflow prevention device downstream of the potable water meter is not required when the only reclaimed water use is landscape irrigation. b. For Multi -family complexes and commercial properties: master -metered potable water service and master -metered reclaimed water service shall be required to install a Reduced Pressure Principal (RPZ) type backflow prevention device downstream of the master potable water meter. FINAL 2015 11-20 Supp 1 2016 Supp # 2 Aug. 2017 11.06 REPAIR OF RECLAIMED WATER SYSTEM Reclaimed water that leaves the system due to a leak or break in the system must be reported and handled as if it were a wastewater spill. Reclaimed Water Main Line Repairs 1. Joint leaks of Cast Iron Pipe, Ductile Iron Pipe, and PVC pipe shall be repaired by use a bell joint leak repair clamp as manufactured by Rockwell, or other approved equal. 2. Line Breaks or Punctures shall be repaired by a full circle repair clamp as manufactured by Rockwell, Mueller, or other approved material. 3. Line Splits or Blow Outs shall be repaired by replacing the damaged section with ductile iron pipe with a cast iron coupling at each end. The following cast pipe couplings shall be used for each pipe material indicated: a. Ductile Iron Pipe - Rockwell 431 cast coupling or other approved equal. b. PVC Pipe —Rockwell 411 cast coupling or other approved equal. Reclaimed Water Service Line Repairs 1. A reclaimed water service line severed between the reclaimed water main and the reclaimed water meter shall be repaired using new type K copper tubing and bronze or brass 3 piece flared unions. 2. A corporation stop pulled out of a reclaimed PVC pipe water main shall have a new service saddle and a new corporation stop installed on the reclaimed water main. 3. A corporation stop pulled out of a ductile iron pipe shall have a full circle repair clamp placed over the old tap hole. A new tap shall be made and a new corporation stop installed on the reclaimed water main. 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