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HomeMy WebLinkAbout20010093 Ver 1_COMPLETE FILE_20010123MEMORANDUM TO: John Dorney Regional Contact: Non-Discharge Branch WO Supervisor: Date: SUBJECT: WETLAND STAFF REPORT AND RECOMMENDATIONS Steen huis/Lutheran Facility Name Middle Sound Regional Sewer c/o New Hanover County New Hanover Project Number 01 0093 County2 Recvd From DCM Region Wilmington Received Date 1/23/01 Recvd By Region Project Type sewer collection system Certificates Stream Stream Impacts (ft.) Permit Wetland Wetland Wetland Stream Class Acres Feet Type Type Impact Scare Index. Prim. Supp. Basin Req.. Req. ME CL1M%? SIt4O ?' O N ? 1 ?-87 S 4 OR«' 30.6?4. 1.01 r_F_ P7 ON F Mitigation Wetland MitigationType Type Acres Feet Is Wetland Rating Sheet Attached? 0 Y 0 N Did you request more info? 0 Y 0 N Have Project Changes/Conditions Been Discussed With Applicant? 0 Y 0 N Is Mitigation required? 0 Y 0 N Recommendation: 0 Issue 0 Issue/COnd 0 Deny Provided by Region: Latitude (ddmmss) Longitude (ddmmss) Comments: cc: Regional Office Page Number 1 Central Office Facility Name Middle Sound Regional Sewer c/o New Hanover County New Hanover Project Number 01 0093 Regional Contact: Steen h u is/Luthe ran Date: 2/26/2001 Comments (continued from page 1): Additional information dated March 29, 2002 has been received. The project was put on hold on 5-21-02. This office has no objection to the revised plans submitted to this office on May 27, 2003 provided that all of the conditions of the 401 Water Quality Certification are met. The 401 WQC was written on 6-17-03. Noelle Lutheran cc: Regional Office Central Office Page Number 2 v v MCKLM&CREED May 21, 2003 M8?C 00494-0017 (40) Ms. Noelle Lutheran NCDENR - Division of Water Quality gsUJ?, ?,?? 127 Cardinal Drive Extension ?f Wilmington, North Carolina 28405-3845 RE: New Hanover County Middle Sound Regio*Wastewater Facilities DWQ Project # 010093 Dear Ms. Lutheran: In reference to your meeting with Jim Craig of New Hanover County on May 13, 2003, we have revised the construction plans to reflect your request for placement of anti-seep collars along portions of the pipeline that cross delineated wetlands. Please find enclosed one set of the following revised construction plan sheets: • P60 • P61 • P62 • P87 • P88 Note that plan sheet P87A has been revised to eliminate all impacts to wetlands or streams and has not been included. It is our understanding that by making these revisions that the project now meets all conditions of WQC #3374. 1 am also providing a copy of this letter and one set of plans to Cyndi Karoly as requested. If you have any questions or require clarification, please do not hesitate to contact me. Thank you. Sincerely, McKIM & CREED, P.A. Tony Boahn, P.E. Project Manager Enclosures cc: Cyndi Karoly (complete) Jim Craig, P.E., New Hanover County (complete) SA0494\0017\40-PermiA0514031utheran.doc 200 MACKENAN COURT, SUITE 200, CARY, NORTH CAROLINA 27511 TEL 919.233.8091 FAX 919.233.8031 www.mckimcreed.com AA0002667 MEMORANDUM TO: John Dorney Regional Contact: Non-Discharge Branch WO Supervisor: Date: SUBJECT: WETLAND STAFF REPORT AND RECOMMENDATIONS Facility Name Middle Sound Regional Sewer c/o New Hanover Project Number 01 0093 Recvd From DCM Received Date 1/23/01 Recvd By Region Project Type sewer collection system Steen huis/Lutheran Rick Shiver County New Hanover County2 Region Wilmington Certificates Stream Permit Wetland Wetland Wetland Stream Class Acres Feet Type Type Impact Score Index Prim. Supp. Basin Req.- Req. CAMA SM O _0N I g.-R7 SA ORW 30,624. 1.!11 F- Mitigation Wetland MitigationType Type Acres Feet Stream Impacts (ft.) Is Wetland Rating Sheet Attached? 0 Y 0 N Did you request more info? 0 Y 0 N Have Project Changes/Conditions Been Discussed With Applicant? 0 Y 0 N Is Mitigation required? 0 Y 0 N Recommendation: 0 Issue 0 Issue/COnd (W Deny Provided by Region: Latitude (ddmmss) Longitude (ddmmss) Comments: This office is concerned about avoidance issues w/in the project area. This office feels that a lot of wetland impacts could be avoided near the salt brick court area. If alternate routes were looked at. In addition this office is concerned with the rim ing of streams - this is considered an impact to streams (not a tem op rare im :)act), Directional boring may need to be considered for the creek crossings. Additional information is needed to justi the crossing of wetlands neart salt brick court and the stream crossings. cc: Regional Office Central Office Page Number 1 O?o?WAT?9pG co P r -I O < Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Gregory J. Thorpe, Ph.D. Acting Director Division of Water Quality July 19, 2002 CERTIFIED MAIL: 7001 1940 0000 4636 0506 RETURN RECEIPT REQUESTED New Hanover County Engineering Dept. r > r j Mr. Wyatt Blanchard ` 414 Chestnut Street Wilmington, NC 28401 Dear Mr. Blanchard: SUBJECT: PROJECT ON HOLD FOR ADDITIONAL INFORMATION New Hanover County Middle Sound Sewer Project PROJECT # 010093 New Hanover County Thank you for your letter dated June 10, 2002. Subsequent to consideration/review of your letter, plans, and Preconstruction Notification Request (401 Certification request), this office wishes to address both the items noted in your correspondence and several additional concerns. In the June 10, 2002 letter, James Craig states that he sees no purpose for the installation. of the anti-seep collars for the Middle Sound sewer project that are required under the general conditions of GC# 3374. He states that the sewer main nor the stone bedding will divert basins or attempt to drain isolated wetlands located upland of the project. He also states that it would be hydraulically impossible for the sewer main's stone bedding to drain or alter any "waters" of the State or wetlands due to the pipe being installed in saturated soils. General Water Quality Certification 3374 condition number 16 is a requirement for the installation of anti-seepage collars. The purpose of anti seepage devices is to stem the wetland drainage effect that has been observed by DWQ staff, subsequent to the installation of sewer lines. That is, gravity sewer lines are installed at a slope, on a gravel bed and as such enables sewer line to behave like a French-drain, thereby removing wetland hydrology. (Please note: it is the expectation of DWQ staff that anti-seepage device requirements are relatively inexpensive as compared to the requirement for wetland delineation well outside the utility line right-of-way footprint, and prevents extensive, long-term hydrologic monitoring of adjacent wetlands.) The conditions set under these General Certifications have been approved by federal agencies (Corps of Engineers and EPA) as well as the Environmental Management Commission (EMC) and if you feel that you cannot or do not want to meet with these conditions, New Hanover County may apply for a variance. The June 10, 2002, letter also requested a "general exemption" for condition number 16 (anti-seep collar requirement) during the review of all future projects where the site condition as described in your letter exists for New Hanover County. This office cannot issue "general exemptions" to 401 Water Quality Certifications Conditions for future projects. Each project is reviewed on a case-by-case basis and the option of applying for a variance is applicable for each >Jroi ect. NCDENR Ex127 Cardinal Drive t., Wilmington, NC 28405-3845 Telephone (910) 395-3900 FAX (910) 350-2004 An Equal Opportunity Affirmative Action Employer Page Two Mr. Wyatt Blanchard July 19, 2002 The second item addressed by Mr. Craig concerns the requirement of General Certification # 3374 (condition #4) that states that the construction corridor for the utility line shall not be installed parallel to and closer than 10 feet (3 meters) to a stream and 25 feet in waters classified as high quality waters (HQW). Utility lines shall not cross a stream channel at other than a near- perpendicular direction (i.e., stream channel crossings shall not be at an angle of less than 75 degrees or more than 105 degrees to the stream bank). Streams typically meander and move around thereby enabling stream infrastructure/maintenance problems to chronically occur, and installations of sewer lines adjacent to the stream cause difficulties with respect.to turbidity impacts, settleable solids, and thermal pollution issues to the stream. As such, a 10-foot set back from the stream is the minimum authorized under the 401 Certification and the respective stream classifications for. AIWW/Howe Creek are SA-ORW and for Pages Creek is SA. The classification SA is HQW as defined by 15A NCAC 2B.0101(e)(5). As such, a 25 feet from the stream is the minimum distance allowed for the utility lines on this project. A copy of the regulation is attached. In. addition, .15A NCAC 2H .0219 (i) (2) (G) (v), (vi), and (xii) states the following: All sewers shall.be designed based-upon at the following minimum standards which include; l) minimum separation from Waters Classified as WS-II, WS-III, B, SA, ORW, HQW or SB (from normal high water (or tide elevation)] at 50 feet. Any other stream, lake or impoundment must be at least 10 feet. Furthermore, ferrous sewer pipe with joints equivalent to water main standards, shall be used where these minimum separations cannot be maintained. (Note: minimum separation shall however, not be less than 25 feet from a private well or 50 feet from a public water supply well). Please indicate whether the Middle Sound Sewer Collection System-will be able to comply with the above mentioned minimum standards. You explained in the June 10, 2002 letter that the meanders of the stream channels, existing structures, construction depth and easement concerns require the encroachments of the utility line within 10 feet of a stream and non-perpendicular stream crossings. It is recommended that you provide specific information that depicts how you have minimized the stream impacts and avoided the streamside area. You should also provide the amount of linear stream footage impacts that will occur during the construction phase of the project and provide suggestions/proposals for stream restoration/mitigation due to the impacts that are beyond that typically approved through the use of the General Certification Please respond within three weeks of the date of this letter if you are going to comply with the conditions of the General Certification # 3374 or if you are planning to apply for a variance. Please send a copy of this letter to Cyndi Karoly, c/o 401 Wetlands Unit, 2321 Crabtree Blvd., Raleigh, NC 27604-2260. Her phone number is (919) 733 9721. If we do not hear from you within three weeks, we will assume that you no longer want to pursue this project and we will consider the project as withdrawn and your application will be returned. If you have any questions, please feel free to call me at (910) 395-3900. Sincerely, Rick Shiver Water Quality Regional Supervisor Attachment: cc: Cyndi Karoly -Wetlands Group Danny Smith - Wetland Group Angie Pennock - US Army Corps of Engineers Dave Weaver - Assistant County Manager WiRO OF ENR-ENVIRONMENTAL MANAGEMENT T15A: 02B.0100 (4) Outstanding Resource Waters (ORW): unique and special waters of exceptional state or national recreational or ecological significance which require special protection to maintain existing uses. (5) High Quality Waters (HQW): waters which are rated as excellent based on biological and physical/chemical characteristics through Division monitoring or special studies, native and special native trout waters (and their tributaries) designated by the Wildlife Resources Commission, primary nursery areas (PNA) designated by the Marine Fisheries Commission and other functional nursery areas designated by the Marine Fisheries Commission, all water supply watersheds which are either classified as WS-I or WS-II or those for which a formal petition for reclassification as WS-I or WS-H has been received from the appropriate local government and accepted by the Division of Water Quality and all Class SA waters. (6) Future Water Supply (FWS): waters that have been requested by a local government and adopted by the Commission as a future source for drinking, culinary , or food-processing purposes. Local government(s) requesting this reclassification shall provide to the Division evidence of intent which may include one or a combination of the following: capitol improvement plans, a Water Supply Plan as described in G.S. 143-355(1), bond - - issuance for-the-water-treatment plant or land acquisition records. Local governments shall provide a 1:24,000 scale USGS topographical map delineating the location of the intended water supply intake. Requirements for activities administered by the State of North Carolina, such as the issuance of permits for landfills, NPDES wastewater discharges, land application of residuals and road construction activities shall be effective upon reclassification for future water supply use. The requirements shall apply to the critical area and balance of the watershed or protected area as appropriate. Upon receipt of the final approval letter from the Division of Environmental Health for construction of the water treatment plant and water supply intake, the Commission shall initiate rule- making to modify the Future Water Supply supplemental classification. Local government implementation is not required until 270 days after the Commission has modified the Future Water Supply (FWS) supplemental classification through the rule- making process and notified the affected local government(s) that the appropriate local government land use requirements applicable for the water supply classifications are to be adopted, implemented and. submitted to the Commission for approval. Local governments may also adopt land use ordinances that meet • or exceed the state=s minimum requirements for water supply watershed protection prior to the end of the 270 day deadline. The requirements for FWS may also be applied to waters formerly used for drinking water supply use, and currently classified for water supply use, at the request of local government(s) desiring protection of the watershed for future water supply use. (7) Unique wetland (UWL): wetlands of exceptional state or national ecological significance which require special protection to maintain existing uses. These wetlands may include wetlands that have been documented to the satisfaction of the Commission as habitat essential for the conservation of state or federally listed threatened or endangered species. (f) In determining the best usage of waters and assigning classifications of such waters, the Commission shall consider the criteria specified in General Statute 143-214.1(d) and all existing uses as defined by 15A NCAC 2B .0202. In determining whether to revise a designated best usage for waters through a revision to the classifications, the Commission shall ;follow the requirements of 40 CFR 131.10(b),(c),(d) and (g) which are hereby incorporated by reference including any subsequent amendments and editions. This material is available for inspection at the Department of Environment, Health, and Natural Resources, Division of Water Quality, Water Quality Section, 512 North Salisbury Street, Raleigh, North Carolina. Copies may be obtained from the U.S. Government Printing Office, Superintendent of Documents, Washington, DC 20402-9325 at a cost of thirteen dollars ($13.00). (g) When revising the classification of waters, the Division shall collect water quality data within the watershed for those substances which require more stringent control than required by the existing classification. However, such sampling may be limited to only those parameters which are of concern. If the revision to classifications involves the removal of a designated use, the Division shall conduct a use attainability study as required by the provisions of 40 CFR 131.106) which are hereby incorporated by reference including any subsequent amendments and editions. This material is available for inspection at NORTH CAROLINA ADMINISTRATIVE CODE 08/01/00 gage 3 OW AT ?RQG `? r '`-mss Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Gregory J. Thorpe, Ph.D. Acting Director Division of Water Quality November 25, 2002 CERTIFIED MAIL: 7002 0860 0003 9550 8816 RETURN RECEIPT REQUESTED New Hanover County Engineering Dept. WXUi" GR6( P Oi1t1L{iY U EC Wyatt Blanchard -~? C -aN_ 230 Market Place Dr., Suite 160 Wilmington, NC 28403 SUBJECT: PROJECT ON HOLD FOR ADDITIONAL INFORMATION New Hanover County Middle Sound Sewer Project PROJECT # 010093 New Hanover County Dear Mr. Blanchard: The Wilmington Regional Office received revisions to the Middle Sound Sewer Project on October 15, 2002. The efforts made to meet the conditions of the 401 Water Quality Certification have been noted, however, the following issues still need to be addressed: 1). The revised plans propose to impact approximately 350 feet of stream (sheet P61). Although the length of impact to the stream has been reduced from the original plans, compensatory mitigation at a 1:1 ratio will be required for any impacts that cannot be avoided. Please provide an explanation for why this section of stream cannot be avoided and if avoidance is not possible, please propose a mitigation plan. You can contact the Wetland Restoration Program to inquire if credits are available for this project. 2). After reviewing the revised plans, it is still not clear if you are meeting the Non- discharge Minimum Design Requirements. Please note that the 401 Water Quality Certification will not be valid unless these conditions are met. Please respond within three weeks of the date of this letter with the additional information requested. Please send a copy of this letter to Cyndi Karoly, c/o 401 Wetlands Unit, 2321 Crabtree Blvd., Raleigh, NC 27604-2260. Her phone number is (919) 733 9721. If we do not hear from you within three weeks, we will assume that you no longer want to pursue this project and we will consider the project as withdrawn and your application will be returned. If you have any questions, please feel free to call me at (910) 395-3900. Sincerely, Noelle Lutheran Environmental Tech V cc: Cyndi Karoly -Wetlands Group Danny-Smith - Wetland Group Angie Pennock - US Army Corps of Engineers Dave Weaver - Assistant County Manager W i R C1 Ar*h NO ENOR Ex127 Cardinal Drive t., Wilmington, NC 28405-3845 Telephone (910) 395-3900 FAX (910) 350-2004 An Equal Opportunity Affirmative Action Employer \,NA7-? Michael F. Easley, Governor \O?0 RQG William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Vj Gregory J. Thorpe, Ph.D. j Acting Director Division of Water Quality August 16, 2002 CERTIFIED MAIL RETURN RECEIPT REQUESTED New Hanover County Engineering Dept. Mr. Wyatt Blanchard 414 Chestnut Street Wilmington, NC 28401 SUBJECT: New Hanover County Middle Sound Sewer Project PROJECT # 010093 New Hanover County Dear.Mr. Blanchard: Thank you for your letters dated June 10, 2002 and August 6, 2002. Staff from the Wilmington Regional Office and from the 401/ Wetlands Unit of the Division of Water Quality have reviewed the subject project. Specifically, letters dated June 10, 2002 and August 6, 2002, the Pre- Construction Notification application, and a review of the Middle Sound Regional Wastewater Facilities Improvements Plans, dated April 2002 and developed by Mckim and Creed, were reviewed. In addition, a site visit of portions of the proposed sewer line was also conducted by the Regional Office and 401/Wetlands Unit staff. Accordingly, in the letter dated August 6, 2002, you requested a variance request for the 401 Certification. A State issued 401 Water Quality Certification is required for utility line impacts to waters and wetlands. A General Certification (GC) is available, provided that you can met the conditions as set forth in GC 3374. If you can not meet the General Certification conditions you must secure written authorization from the Division of Water Quality. As such, a variance to a 401 Certification is not available. However, site specific conditions, unique to a given project, may be considered during this review process and be alternatively addressed with specific written conditions. With respect to condition number 16 of the General Certification, the requirement to install anti-seepage collars, is a steadfast requirement. The purpose of anti-seepage devices are to stem wetland drainage effects that may coincide with the installation of gravity sewer lines. However, a possible alternative to the installation of such a device is to provide a wetland monitoring plan to insure that wetlands are not remove from jurisdiction. In order for this approach to be approved the wetland polygons, beyond the footprint of the proposed easement, will need to be determined. Also, a hydrologic monitoring plan must be developed. This monitoring would need to be conducted prior to sewer line construction and for 5 years subsequent to project completion. General Certification condition number 16 aside, this office has serious concerns regarding the proposal to locate the sewer line within the stream channel. A review of the Middle Sound Regional Wastewater Facilities Improvements Plan (date April 2002 and developed by McKim and Creed) indicates that over 300 feet of sewer line is proposed to be installed within 10 feet of the stream bank (indicated on Plan page 60). Further, approximately 1000 linear feet or more of the gravity sewer line is proposed to be installed within the footprint of the stream (indicated on map page 61). The subject stream is an unnamed tributary to Pages Creek, a Class SA High Quality C?Eh Ex127 Cardinal Drive t., Wilmington, NC 28405-3845 Telephone (910) 395-3900 FAX (910) 350-2004 An Equal Opportunity Affirmative Action Employer Waters. The proposed installation of the sewer line within the stream footprint and to such proximity to the stream bank, as indicated in Page 60 and 61, is unacceptable. It is requested, as a part of the 401 Water Quality Certification review, that you provide alternatives to these approaches. Therefore, as currently proposed, this office finds that there is insufficient evidence present in our files to conclude that your project must be built as planned in waters and/or wetlands in accordance with 15A NCAC 2H.0506. Your project will continue to remain on hold as incomplete until we receive this additional information. Also, we are requesting (by copy of this letter) that the U. S. Army Corps of Engineers place your project on administrative hold. Finally, in your August 6, 2002 letter to the Wilmington Regional Office, you requested a variance to the Minimum Design Standards for sewer lines. An Alternative Design Authorization, may be issued by the Non-discharge Permitting Branch of the Division of Water Quality pursuant to 15A NCAC 2H 0219. In order for this review of your alternative design request to proceed, please provide a written request that includes a clear account of the your project constraints, the current/approved design plans and construction detail specifications for sewer line approved under Non-discharge permit ??????? and any respective additional that you presently propose for installation. This information should be mailed to the attention of Kim Colson and Marie Doklovic at Please respond to this letter in writing within 30 days by sending a copy of the information to Danny Smith, Raleigh 401/Wetlands Unit. If we do not hear from you within 30 days of receipt of this notice, we will assume that you no longer want to pursue this project and we will consider the project as withdrawn. If you have any questions, please feel free to call Danny Smith at (919) 733- 9716. Sincerely, John Dorney 401/ Wetland Unit Supervisor cc: Cyndi Karoly -Wetlands Group Danny Smith -401/Wetlands Unit Noelle Lutheran - WiRO Angie Pennock - US Army Corps of Engineers Dave Weaver - Assistant County Manager Kim Colson -Non-discharge Branch 11, e ,PUG. 8.2002 2:03PM NCDENR WIRO WTATTE. BLANCHARp, r F,, CountyEngineer NEW HANOVER CO NO.403 - P. 2-- - • -- •- ENCrI1 ERING DEPARTMENT U Gv 6 414 CHESTNUT STREET W'LM'NGTDN, NORTH CAROLINA 28401 04S~~``-•- TELEPHONE (910) 341-7139 August 6, 2002 Mr. Rick Shiver N.C. Dept. Environment & Natural Resources Water Quality Regional Supervisor 127 Cardinal Drive Extension Wilmington, North Carolina 28405 RE! N iddle'Soitnd Sewer p'rt)ject (Appeal) Project #010093 Dear Rick. I am in receipt of your July 19, 2002 letter, IF ED In response, we will proceed with the portion of the project outside your jurisdiction while we wait for our timely appeal for a variance from the conditions in your letter (anti-seepage devices, 25' set back, ferrous pipe). In addition to the logical conclusions I stated in my June 10, 2002 would like to add the following in considering the expeditious approval oflmy , I variance request, 1) If the sewer main and rock bed will drain the creek and surrounding area, exactly where will. the ground water go? Also, what particular projects in coastal North Carolina, installed below sea level, has this phenomena happened? 2) 1 offer that short term impacts, as outlined in my June 10, 2002 letter, do not justify long term cost in regards to the unsubstantiated set back. AUG. 8.2002 2:03PM NCDENR WIRO NO.403 P.3 August 6,-2002 Page Two 3) Ferrous pipe is not "better" than PVC with identical joint standards when buried at the planned depths. "0" infiltration is permitted, per specifiAlso, by cation. today's yflowawoul standards, and not out of the gravity sewer 1 e y d be into ty p p , under normal operation, when considering the pressure differential between the grourid/surface water and the gravity sewer pipe. The linear stream tage and proposals to minimize impact was addressed in Tony Boahn's Mcl(im & Creed, June 12, 2002 and my aforementioned June 10, 2002 letters. Cost is always an issue when not fully justified, especially when usin the public's money. g In closing, I would like you to respond and address zny variance request within a legitimate time frame to be set up by you within the nw three weeks. When considering your approval of this variance, please feel free to call me regarding any clarifications which you may need regarding my positions. Sincerely, am Craig, P. E. Engineering Manager New Hanover County CC., Wyatt E. Blanchard, P.E. Dave 'beaver Cyndi Karoly Danny Smith Angie Pennock Tony Boa.hn Ed Brooks JSC/aj JUL. 3.2002 3:04PM WYATTL. GLANCE RA P.L. Cwnty engineer June 10, 2002 ENGINEERING DEPARTMENT 414 CBESTNUT STREET WILMINGTON, NORTH CAROLINA 28401-4045 TELEPHONE (910) 341-7139 .?L?J ?f •Vlld V .?0 Joanne Steenhuis N. C. Dept. of EnN ironment &. Natural Resources 127 Cardinal Drive Extension Wilmington, North Carolina 28405 RE: Middle Sound Sewer Collection System Project #010093 Dear Ms. Steenhuis: I am now in wceipt of your January 21, 2002 letter requesting additional information and the placement of a hold on the referenced project, The plans were submitted to DEM as part of the CAM.A. permitting process in December 2000 and Iiscussed in the 6/21/01 meeting with the permitting agents of the U.S. Corps of Engineers, CAMA and the Division of Water Quality. Tony Boahn, McKim & Creed, will address all map revisions and comments on iterns 2 through 7 under a separate cover. T'his letter is to address item #1 and also reinforce exemption from item #6. I see no purpose for installation of anti-seep collars along any of the F. r9posed sewer main for the following reasons: Neither the severer main nor the stone bedding will divert basins or in any manner attempt to drain any isolated wetlands located upland. The severer main in all locations is located at an elevation from 13 above to 4.5 feet below the lViLW elevation (approximately -1.5' elevation). Therefore it would be hydraulically impossible for the sewer main's stone bedding to drain or alter any craters of the State or wetlands -in NCDENR WIRO M.b4y NEW HANOVER COUNTY JUL. 3.2002 3:04PM NCDENR WIRO N0.649 P.3f4 I Page Two the area after completion of the installation considering the soil in which the pipe is installed is totally saturated. The placement of anti-seep collars may more likely create a hydraulic jump in any movement of the ground water within the stone bedding or baclcfi,ll and cause possible multiple "fresh" water artesians seeps into the manmade tidal and brackish waters of the State. In this case, promoting what General Certification #3374 intends to alleviate, lessen or prevent from occurring by the requirement of anti-seep collars. The intent of the collar is to prevent or lessen subsurface drainage of the water table. However, when the installation is at an elevation below the water table or below MLW in fully saturated soil I do not see the collar serving any purpose, I can understand the use of the anti-seep collar when it may prevent the subsurface drainage in wet areas adjacent to streams or ditches at higher elevations within the State or above the water table. I see no purpose, other than the requirement of condition ## 16, for the installation of anti-seep collars at and below sea level where no basin or subbasin Nvill be drained or otherwise diverted by sewer system construction. This sewer system is designed as to not cross any subbasin in the project area, thereby; being the most efficient design and least expensive to the taxpayer, I would expect to be exempted from the requirement of installing any collars on the project and would further request a general exemption be considered during the review in all future projects where the site conditions as outlined above exist. I suggest leeway be allowed in the same manner exemptions are implied to be allowed to condition #4 or as more stringent measures may be required as needed (condition #23). I ask reasonable consideration be given to my request or "if not, explain why". I will surely be confused if the regulations are so rigid that they promote unnecessary cost and potential damage to the environment solely for the sake of regulations. Furthermore, Item #6 (Condition 4) cannot or should not be met because of the following reasons; The submitted logical engineering design considered many natural and man-made obstacles in the placement of this sewer main and all considered, the proposed alignment is the best of all available roues to serve the project area with sanitary sewer at a minimal cost, depth, JUL. 3.2002 3:04PM NCDENR WIRO N0.649 P.4/4 Page Three intrusion, damage, and encroachment to the District, the property owners, the State, and the environment. The meandering of the channel, existing structures and easement concerns require the encroachment of the excavation within 10 feet of the stream and the non-perpendicular stream crossings. Any other placement location would deepen the excavation, thus widen the disturbed area by the topography, thereby, lengthening construction time and exposing more denuded area to potential erosion and excessive turbidity. The location, as planned, will allow the contractor to minimize the disturbance to the area and the environment by facilitating shallower excavations and quicker installation time. In closing, Z request exemption from both conditions #4 and # 16 of WQC #3374. 1 further request a more prompt preview and reply upon receipt of our complete response to your items. In addition, T petition no hold be placed on the entire project considering only a small portion is affected by the items of concern outlined in your letter, If you have any questions, please don't hesitate to contact me, Sincerely, Xames S. Craig, P.E. Engineering Manager New Hanover County CC! Wyatt E. Blanchard, P.E. Tony Boahn, McKim &- Creed Cyndi Karoly rSC/aj ?OF W ATF9Q Michael F. Easley, Governor William G. Ross Jr., Secretary \0 G North Carolina Department of Environment and Natural Resources lt(n r Gregory J. Thorpe, Ph.D. > _{ Acting Director fl `h Division of Water Quality January 21, 2002 CERTIFIED MAIL: 7001 1940 0007 1402 3856 RETURN RECEIPT REQUESTED New Hanover County Engineering Dept. Mr. Wyatt Blanchard 414 Chestnut Street Wilmington, NC 28401 SUBJECT: PROJECT ON HOLD FOR ADDITIONAL INFORMATION Middle Sound Sewer Project PROJECT # 010093 New Hanover County Dear Mr. Blanchard: This Office is placing your project on hold until we receive the following additional information: 1) A set of engineering plans and details that show anti-seep collars in wetlands where required (see condition #16 on the WQC # 3374 that is enclosed) 2) Correct the drawing that shows rip rap in stream at previous crossing (P60 at the end of Dunn Place Extension) 3) Correct the amount of rip rap on drawing at the new perpendicular crossing on Dunbar Creek (Same rip rap is shown on plan as previous crossing impact length) 4) Is there a second crossing of Dunbar Creek at the end of Dunn Place Extension? The plan shows a crossing, but no other details are shown. 5) Length of stream impacts need to be specified for the Division of Water Quality (DWQ) (any cumulative impacts to a stream over 150 feet will require mitigation by DWQ) 6) Detail that condition # 4 on the WQC # 3374 will be met along the creeks within the project area and if not explain why; 7) Please send a complete set of plans to this Office when the changes have been made and a copy to Cyndi Karoly at the 401 Wetlands Unit at 2321 Crabtree Blvd., Raleigh, NC 27604- 2260. Please respond within three weeks of the date of this letter by sending a copy of the information to myself and to Cyndi Karoly, Raleigh Wetlands Unit (919) 733 9721. If we do not hear from you within three weeks, we will assume that you no longer want to pursue this project and we will consider the project as withdrawn. If you have any questions, please feel free to call me at (910) 395-3900. Sincerely, Joanne Steenhuis Environmental Specialist Ill cc: Cyndi Karoly -Wetlands Group Anthony Boahn - McKim and Creed Engineers Ex127 Cardinal Drive t., Wilmington, NC 28405-3845 Telephone (910) 395-3900 FAX (910) 350-2004 An Equal Opportunity Affirmative Action Employer NEW HANOVER COUNTY ENGINEERING DEPARTMENT . 414 CHESTNUT STREET WILMINGTON, NORTH CAROLINA 28401-4045 TELEPHONE (910) 341-7139 WYATTE. BLANCHARD, P.E. County Engineer August 6, 2002 Mr. Rick Shiver N.C. Dept. Environment &. Natural Resources Water Quality Regional Supervisor 127 Cardinal Drive Extension Wilmington, North Carolina 28405 RE: Middle Sound Sewer Project (Appeal) Project #010093 Dear Rick: I am in receipt of your July 19, 2002 letter. AUG 82002 t CERTIFIED In response, we will proceed with the portion of the project outside your jurisdiction while we wait for our timely appeal for a variance from the conditions in your letter (anti-seepage devices, 25' set back, ferrous pipe). In addition to the logical conclusions I stated in my June 10, 2002 letter, I would like to add the following in considering the expeditious approval of my variance request. 1) If the sewer main and rock bed will drain the creek and surrounding area, exactly where will the ground water go? Also, what particular projects in coastal North Carolina, installed below sea level, has this phenomena happened? 2) I offer that short term impacts, as outlined in my June 10, 2002 letter, do not justify long term cost in regards to the unsubstantiated set back. August 6, 2002 Page Two 3) Ferrous pipe is not "better" than PVC with identical joint standards when buried at the planned depths. Also, by today's material standards, "0" infiltration is permitted, per specification. Any flow would be into and not out of the gravity sewer pipe, under normal operation, when considering the pressure differential between the ground/surface water and the gravity sewer pipe. , The linear stream footage and proposals to minimize impact was addressed in Tony Boahn's McKim &. Creed, June 12, 2002 and my aforementioned June 10, 2002 letters. Cost is always an issue when not fully justified, especially when using the public's money. In closing, I would like you to respond and address my variance request within a legitimate time frame to be set up by you within the next three weeks. When considering your approval of this variance, please feel free to call me regarding any clarifications which you may need regarding my positions. Sincerely, ame 7Craig, P.E. Engineering Manager New Hanover County cc: Wyatt E. Blanchard, P.E. Dave Weaver Cyndi I<aroly Danny Smith Angie Pennock Tony Boahn Ed Brooks JSC/aj } fl A TfiA Gregory J. Thorpe, Ph.D. Acting Director Division of Water Quality 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 919-733-1786 Fax #: 919-733-6893 Fax To: Company: Number of pages incluaing cover sheet: Notes or special instructions: ?U Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Fax #: Date: l Li' N. C. Division of Water Quality, 401 Wetlands Certification Unit, 1650 Mail Service Center, Raleigh, NC 27699-1650 (Mailing Address) 2321 Crabtree Blvd., Raleigh, NC 27604-2260 (Location) (919) 733-1786 (phone), 919-733-6893 (fax), (http://h2o.enr.state.nc.us/ncwetiands JUL. 3.2002 3:04PM NCDENR WIRO - - -' - - - - ---NO.64_9_ P.1/4 TO : SMITH DORNEY ENV SCI -? - - - - State of North Carolina Department of En*Onment and Natural Wilmington Regional Resources 4ffice Michael F. Easley, C;O,,Mor Williams G, Ross Jr., Secretary FAX COVER SHi ET Date: To: CO: FAX REMARKS: No. of Pages: From CO: PAX= 910- ,2 m 1$7 CAr4inpt IDrive F.Ytr?sion, Wilmiggton, N G 284"45701 c hoae (410 39 An )Zgngt 2004 OPPartunity Alr,,M4 fva ARt10n $m ) 5 9011 SAY . .,,•.,. ]4orer (9]0)350. ...:P ]". T.;.F?r' '•1CCy7+'?:.'SV ?.'r?.!JQCt.',?i?r,?•/gnrn[...?-. -`- _ ?QF WArFRQ Michael F. Easley, Governor William G. Ross Jr., Secretary \O G North Carolina Department of Environment and Natural Resources ??- Gregory J. Thorpe, Ph.D. =.1 Acting Director Q - _} Division of Water Quality r July 19, 2002 CERTIFIED MAIL: 7001 1940 0000 4636 0506 RETURN RECEIPT REQUESTED New Hanover County Engineering Dept. Mr. Wyatt Blanchard 414 Chestnut Street Wilmington, NC 28401 SUBJECT: PROJECT ON HOLD FOR ADDITIONAL INFORMATION New Hanover County Middle Sound Sewer Project PROJECT # 010093 New Hanover County Dear Mr. Blanchard: Thank you for your letter dated June 10, 2002. Subsequent to consideration/review of your letter, plans, and Preconstruction Notification Request (401 Certification request), this office wishes to address both the items noted in your correspondence and several additional concerns. In the June 10, 2002 letter, James Craig states that he sees no purpose for the installation of the anti-seep collars for the Middle Sound sewer project that are required under the general conditions of GC# 3374. He states that the sewer main nor the stone bedding will divert basins or attempt to drain isolated wetlands located upland of the project. He also states that it would be hydraulically impossible for the sewer main's stone bedding to drain or alter any "waters" of the State or wetlands due to the pipe being installed in saturated soils. General Water Quality Certification 3374 condition number 16 is a requirement for the installation of anti-seepage collars. The purpose of anti-seepage devices is to stem the wetland drainage effect that has been observed by DWQ staff, subsequent to the installation of sewer lines. That is, gravity sewer lines are installed at a slope, on a gravel bed and as such enables sewer line to behave like a French-drain, thereby removing wetland hydrology. (Please note: it is the expectation of DWQ staff that anti-seepage device requirements are relatively inexpensive as compared to the requirement for wetland delineation well outside the utility line right-of-way footprint, and prevents extensive, long-term hydrologic monitoring of adjacent wetlands.) The conditions set under these General Certifications have been approved by federal agencies (Corps of Engineers and EPA) as well as the Environmental Management Commission (EMC) and if you feel that you cannot or do not want to meet with these conditions, New Hanover County may apply for a variance. The June 10, 2002, letter also requested a "general exemption" for condition number 16 (anti-seep collar requirement) during the review of all future projects where the site condition as described in your letter exists for New Hanover County. This office cannot issue "general exemptions" to 401 Water Quality Certifications Conditions for future projects. Each project is reviewed on a case-by-case basis and the option of applying for a variance is applicable for each project. Ex127 Cardinal Drive t., Wilmington, NC 28405-3845 Telephone (910) 395-3900 FAX (910) 350-2004 An Equal Opportunity Affirmative Action Employer Page Two Mr. Wyatt Blanchard July 19, 2002 The second item addressed by Mr. Craig concerns the requirement of General Certification # 3374 (condition #4) that states that the construction corridor for the utility line shall not be installed parallel to and closer than 10 feet (3 meters) to a stream and 25 feet in waters classified as high quality waters (HQW). Utility lines shall not cross a stream channel at other than a near- perpendicular direction (i.e., stream channel crossings shall not be at an angle of less than 75 degrees or more than 105 degrees to the stream bank). Streams typically meander and move around thereby enabling stream infrastructure/maintenance problems to chronically occur, and installations of sewer lines adjacent to the stream cause difficulties with respect to turbidity impacts, settleable solids, and thermal pollution issues to the stream. As such, a 10-foot set back from the stream is the minimum authorized under the 401 Certification and the respective stream classifications for AIWW/Howe Creek are SA-ORW and for Pages Creek is SA. The classification SA is HQW as defined by 15A NCAC 2B.0101(e)(5). As such, a 25 feet from the stream is the minimum distance allowed for the utility lines on this project. A copy of the regulation is attached. In addition, 15A NCAC 211.0219 (i) (2) (G) (v), (vi), and (xii) states the following: All sewers shall be designed based upon at the following minimum standards which include; 1) minimum separation from Waters Classified as WS-II, WS-III, B, SA, ORW, HQW or SB (from normal high water (or tide elevation)] at 50 feet. Any other stream, lake or impoundment must be at least 10 feet. Furthermore, ferrous sewer pipe with joints equivalent to water main standards, shall be used where these minimum separations cannot be maintained. (Note: minimum separation shall however, not be less than 25 feet from a private well or 50 feet from a public water supply well). Please indicate whether the Middle Sound Sewer Collection System will be able to comply with the above mentioned minimum standards. You explained in the June 10, 2002 letter that the meanders of the stream channels, existing structures, construction depth and easement concerns require the encroachments of the utility line within 10 feet of a stream and non-perpendicular stream crossings. It is recommended that you provide specific information that depicts how you have minimized the stream impacts and avoided the streamside area. You should also provide the amount of linear stream footage impacts that will occur during the construction phase of the project and provide suggestions/proposals for stream restoration/mitigation due to the impacts that are beyond that typically approved through the use of the General Certification Please respond within three weeks of the date of this letter if you are going to comply with the conditions of the General Certification # 3374 or if you are planning to apply for a variance. Please send a copy of this letter to Cyndi Karoly, c/o 401 Wetlands Unit, 2321 Crabtree Blvd., Raleigh, NC 27604-2260. Her phone number is (919) 733 9721. If we do not hear from you within three weeks, we will assume that you no longer want to pursue this project and we will consider the project as withdrawn and your application will be returned. If you have any questions, please feel free to call me at (910) 395-3900. . Sincerely, Rick Shiver Water Quality Regional Supervisor Attachment: cc: Cyndi Karoly -Wetlands Group Danny Smith - Wetland Group Angie Pennock - US Army Corps of Engineers Dave Weaver - Assistant County Manager WiRO _A WYATTE. BLANCHARD, P.E. County Engineer ENGINEERING DEPARTMENT . 414 CHESTNUT STREET August 6, 2002 Mr. Rick Shiver NEW HANOVER COUNTY WILMINGTON NORTH CAROLINA 28401 404, TELEPHONE (910) 341-7139 AUG 8 Q1n y 1 N.C. Dept. Environment &. Natural Resources Water Quality Regional Supervisor 127 Cardinal Drive Extension Wilmington, North Carolina 28405 CERTIFIED RE: Middle Sound Sewer Project (Appeal) Project #010093 Dear Rick I am in receipt of your July 19, 2002 letter. In response, we will proceed with the portion of the project outside your jurisdiction while we wait for our timely appeal for a variance from the conditions in your letter (anti-seepage devices, 25' set back, ferrous pipe). In addition to the logical conclusions I stated in my June 10, 2002 letter, would like to add the following in considering the expeditious approval of my variance request. 1) If the sewer main and rock bed will drain the creek and surrounding area, exactly where will the ground water go? Also, what particular projects in coastal North Carolina, installed below sea level, has this phenomena happened? 2) 1 offer that short term impacts, as outlined in my June 10, 2002 letter, do not justify long term cost in regards to the unsubstantiated set back. August 6, 2002 Page Two 3) Ferrous pipe is not "better" than PVC with identical joint standards when buried at the planned depths. Also, by today's material standards, "0" infiltration is permitted, per specification. Any flow would be into and not out of the gravity sewer pipe, under normal operation, when considering the pressure differential between the ground/surface water and the gravity sewer pipe. The linear stream footage and proposals to minimize impact was addressed in Tony Boahn's McICm SL Creed, June 12, 2002 and my aforementioned June 10, 2002 letters. Cost is always an issue when not fully justified, especially when using the public's money. In closing, I would like you to respond and address my variance request within a legitimate time frame to be set up by you within the next three weeks. When considering your approval of this variance, please feel free to call me regarding any clarifications which you may need regarding my positions. Sincerely, ame 7?Craig, P.E. Engineering Manager New Hanover County cc: Wyatt E. Blanchard, P.E. Dave Weaver Cyndi Karoly Danny Smith Angie Pennock Tony Boahn Ed Brooks JSC/aj JUL. 5.2002 3:51PM NCDENR WIRO -NO.665 P.1_.. TO:SMITH DORNEY ENV SCI State of Nortb Carolina. Department of EnvironMent and NatjuW "'on Regional 0? Resources Kchael F' Easley, Governor William G. Ross rr., Secret?ty FAX COVER SKEET Date: _ ...., C) To: CO: FAX #: REMAl2I{S: No. Of Pages: From: " CO: f+'AX#: )i -2004 */ v- ? 5L-O- k / lm ,*0A6 raj. "'* out.v i " COPS NOTE - - - - - __!{ TRACTOR SHALL PROVIDE I j : \1 VK 5 1 WNG?RACING AS 112,2EGNJIRED TO _ PROTECT -EXISTING TTRl1CT!tR -??? 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' i}?4;•?ti.ly ,!1; iyt{?L44+t :4:4'.''4-. tzyt??ti ?1 4i ii 1 ?3.?7 i?..1`f' r;- + i t i l .f t. s+s't :i.1'.t ii,t 5ii •ih?:ii,i?: t':.4 i?saS ii j LF IO° i M1.1 l18S ,-?'? + t I 5J LT FENc {TYP) 5TA. cr48B.% 4 it ` PERMANENT 180*00top" i a lam ` `t-, IITILIT1r -' 1 F r,?g t t IYOfi]}{ FIB a D?ilyE - t N E17EN TO CREEK S ITAR S E ; CENTERLINE SEE E 4 •? i - rr :It i_l? t ` ~? is `,4't? r ? t. EIEET- P662'?` t " ` sl t i; l Yt ; D UM PLACE DFWE 100 k, ITARY s ` t -' ' =F'i t ti SEE 514EET R6Z„,- 1 r o ti 501 NOTE. m+ II 4 1? ? \ Iqm ALL, PVC PIPE SMALL HE PVC 5DR-35 D a ZZ dd m L cn-Tu . FOR GRAVITY SEWER AND PVC SDR-21 -? ?? »> a I Q FOR FORCE MAIN UNLESS zZZ OTHERWISE F 4f} tar, 4°0z 11 - l,.? SFIOWN. ¢` HrsF 'NU°-°- 4 {y J - - ~ i - id! 46 AQY PROPERTY' EXIST. ?R A.c. LINE it WATER LI L - -? - Irk ??? ! z 51 = to C1I ? ? ?- :.if commuNIT'r WELL, kr ! j!f 41. ?' { f + !t i 1114 4?.,,r J4 i f ? 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'r ?2! !r ?Va HEhT< t J F f ?? r J. 17+59 41 S - +E 5, ?,, ! ` 4 STC. r22+88.6 ?ihE7 pl' , ' .S 1oTE7 ?,,: 16¢ 2 b ! hr 150 t ` ' ! r 205.4211a t }? i STA. 24+1'fiI 09 STA. ?8+3p 7 G-FAIiV LliVK F NO QI8 f99 5a.4gy (51 NOTE 7 ANC STA. 20+67 ..6 3 II'sl°I'S'r ft 5T.4SrIgit 9r6r 1 # H ,,., STA. ! ,'tElilSTtHG - EX15TI r =$6.IEp . ' [SFJJJ=D •.'4i?i':. ? . ? t! r _ ri :mil - ?} .LZ -'- _ ?h??=- 1 ? •?`. ' t # i 'i.i s'•t: - a •ti ', ?,. ?` A'}y `r ai-s- sifi?r. :e - .? `? i ?.?-..` WETLANDS 917 a ? NH QI9 POD 1 5' (TYP) ! : '??'? r t?`"T'f15f?~UNDf ?-- •?--? STa20fJ7_y3 t STA. 21r I t + (TYP) 14' TEt IPORARY !65''43'50" 17 ri0m+b5• r, 10, D{r5TlNC 1 r UTl?LJTlESr r T. FEN, ?STRUCTFON 1 5' l?Y TYP a ?SWED -? - r NOTE 7 EC?ENT CONST U? qj?! It?,? € ?STr?I? J= ? =1 Ai?fEtJT of ERMANENT ?) 1`_LlST1NC? FENCE EASJERr IN T p 1- ! SEE 7?CE f f7 - . ' F j owk5El?7?T`?trTlL TY SEE NOTE 7 20' PERT a E-N-T? (T7P1 ? ? EAS?E ?r? _UTI? TY ?-i'•?'s?j,? ! -?.,???f I ? Isar ? 1 ,? 1•\1 tt ` ? ?rt- ? # ? ?? •''F -r °' _.- LJ e ? { iV. Pi- 3AOQ ` ` ' an 117 'r SEwf91GT Y- sEI4 o? u 66 r N a-? 0 ? o *z;tj NOTE; AT NO TIME DuRrnlG `.az } ? °• R rXCAT TED MATJERIAL BEPLACED ION SFAL SPOIL 111- DS. i+l _WETLAND AREAS POF T?IELL SPOIL MATERIAL IN UPLAND ? ??> w >`>>w C-oNS-tRUCTIOra EASEMENT, OR r ?.zz> w ,,, lq4 W A TF Michael F. Easley, Governor `OHO RQG William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Gregory J. Thorpe, Ph.D. > Acting Director Division of Water Quality July 8, 2002 CERTIFIED MAIL: 7001 1940 0000 4636 0490 RETURN RECEIPT REQUESTED New Hanover County Engineering Dept. Mr. Wyatt Blanchard 414 Chestnut Street Wilmington, NC 28401 SUBJECT: New Hanover County Middle Sound Sewer Project PROJECT # 010093 New Hanover County Dear Mr. Blanchard: This Office is in receipt of James S. Craig's letter dated June 10, 2002 addressing items # 1 and #6 in a letter from this office dated January 21, 2002. In addressing item #1, Mr Craig states in this letter that he sees no purpose of the installation of anti-seep collars (required by the general certification # 3374 for utility lines) for the middle sound sewer line project. He states that the sewer main nor the stone bedding will divert basins or attempt to drain isolated wetlands located upland of the project. He also states that it would be hydraulically impossible for the sewer main's stone bedding to drain or alter any "waters" of the State or wetlands due to the pipe being installed in saturated soils. Mr Craig states that the anti-seep collars would more likely cause a hydraulic jump in the ground water moving within the stone bedding and backfill and potentially cause ".`fresh" water artesian seeps into the manmade tidal and brackish waters of the State. The acknowledgement that the water will be flowing within the stone bedding and backfill contradicts his previous statement that it would be hydraulically impossible to drain or alter any waters of the State. The purpose of the anti-seep collars on utility lines to prevent the "potential" impacts to wetlands and in fact most utility lines are placed in saturated soils when they are placed in wetlands. The condition #16 in the General Certification #3374 is an approved condition by the State and Federal agencies and has been a condition of the water quality certification for a number of years. The Corps of Engineers supports this condition in their 404 permits when they state that the applicant has to comply with the State's certification conditions. The second item addressed by Mr. Craig's letter is item #6 or condition # 4 in General Certification #3374. This condition states that the construction corridor for the utility line shall not be installed parallel to and closer than 10 feet to a stream and that stream crossings of the utility line shall be near-perpendicular in direction. Mr. Craig addresses that this condition cannot or should not be met due to man-made obstacles within the corridor and the depth of excavation necessary to keep the sewer line the required ten feet from streams. Please respond within three weeks of the date of this letter by sending a copy of the information to myself and to Cyndi Karoly, Raleigh Wetlands Unit (919) 733 9721. If we do not hear from you within three weeks, we will assume that you no longer want to pursue this project and we will consider the project as withdrawn. If you have any questions, please feel free to call me at (910) 395-3900. It is of great concern to this Office that the County is not willing to comply with this condition for this project and all future projects. Sincerely, 1 f=P111 Ex127 Cardinal Drive t., Wilmington, NC 28405-3845 Telephone (910) 395-3900 FAX (910) 350-2004 An Equal Opportunity Affirmative Action Employer Rick Shiver Water Quality Regional Supervisor cc: Cyndi Karoly -Wetlands Group Angie Pennock - US Army Corps of Engineers Dave Weaver - Assistant County Manager AUG. 8.2002 2:03PM NCDENR WIRO NO.403- P.1 - T0:SMITH DORNEY ENV SCI State Of North Carolina DepartMent of Environment and Natural Reso=es Wilmgton Regional Office Michael F. Easley, Governor Wiam G. Rosa Jr., Secretary FAX COVER SHEET Date: TO. CO.. FAX REMARKS No. Of Wages: From: CU: k'AX#: 9 0? 5?p24??? 127 Cardinal Drive Extension, WiimiAlIft- l1-C 28405.3845 Telepbogq (910) 395„3900 pl j (910) 350.2004 An Equel QpportunityAtllrmativc Action Employer ,? ? - _. - ?. - -------'--__ ____._._ .. --4- _. ---.___- __.._ _.__ _--. ---_-_._- -----._ - -_---- -- ?. ?II ?l '? ?, I v\ VFWA f?( MOBLE 5ANMM DRIVE" I_ SEINER a? p PAGES CREEK i/ii%%i, 1 SEE SHE A64 I 1 1 I { ?? LIN /A 4,//,i > al NORTHFIL8DPoV , SANITARY SEWER DAVE TBM R.R. SPIKE yj -- _, SHEET 3 SEE SHEET P53 I ELEV = 14.18 ! '1 1 u 1 i///ir F„ \ \ CENTER WETWELL /r / NOTE \ 1 Lktt?'? 11 v? I STA. 6+2q.g8 M CONTRACTOR SHALL PROVIDE 1 g ? k 1r Jl IL I 1 i SHORING/BRACING AS IkEQUIRED TO V ` \ \ MH g035 PROTECT EXISTING TRUGTUR€S y a? ?, 1 SILT I I \ \ ,I 5TA. 6+06.19 i / i 1 I ?- €QUALIT ( 1;•?j d CAUDELL PAGES CREEK DRIVE HOUSE TQ BE TYP` I rtOZ 3 ` TATIO REMOVED BY OT RS 6 `? k 1 ap. PLW STATION M 03B SANITARY SEWER COMMUNITY ST'A. 6+43.8 STA. 0+73,11 SEE SHEET P53A / MH 906A ` \Q WELL AND DETATS N LINE ANE STA1. 1+96.66. STA. 6+35.27 MH I05G 123'35 52 1 5E9 SHEET 52 I' I?i 1 4 744'3 / r? Q EXISTING FENClE ' - SEE NOTE 7 I it < --- j 12805'5411 } A 1yaF 1 IV U ` 4' .3q `? - ----- -------------- , -- - Ilfe 1 $ / II3 LF f0"S S 325.28 LF 1 i ! 4 I, I vc\, /y 41' 18742'04° , tc. ,t •(t t 1?. -..: NN W ,W??fV'1 e. /'?D \ ".. / 1v ` .l. I l .•VRVR ! V ._......_ / 'i e . -^\ 11 E \ 11 \ ?.,. \\ \ .Y'r y? y i \I\t ? SANITARY 5EWER ' 9? t SEE-,' 1 P51 ?s, .167'43 5? 255 \tJ1\ ?11iCENTE \\l d 1 vie'' 1 \ \\' ,` \' 1 '\ r t y, \ \ " e ` "'fit \ 11 i1 1 1 EXTENSION l u5 :? v t GI?EII v (' yV .. ._ANTL>u t t DUNN SEE SHEET P6 I i i?? ?v v t e? \s? v kv1Y1 l ?n t ?t t``v(,v ` , v?;CO t p BEGIN OUIF 7 \ LLAR ALL E I 1 1 11 i (TYP) 5'4 IOu 5 `? \ \' \\', y ` 1 u ,\, `\` \i 1`\\\t\ \ \ I 1 `y PERMANENT UTILITY \ NORTH EII.Lg " t t i $TA` 1?'1 _ , vt vA v v tv 1r 1 p O\ STA.- I+00.00 - 221' » a 15 (TYP) 1 a EASEMENT - 70 CREEK 5A ITARY SE 1 \1 a.. PL .,r M g02 CENTERLINE TYP MH 105A () SEE SHEET P63 1 5 TEMPORARY STA. 3+10.00 t H 903 CONSTRUCTION " TA. 3+21.01 167'0241 SILT FENCE ! t t` ' EAESEMENT (TYP)DIAN PLACE DRIVE F FORGE MAIN a } ANTI-SEEP 50' 25' 0 50'YP) 100' SANITARY SEWER . V MAN q LOCATING POINT; y ?k V t ?r COLLAR (Tl P) DI FORCE SEE SHEET P62? HORIZONTAL r 1" 50' ?ttv?ty vt v (I 5' 2.5' 0 5' /... -10' 4-. ti ?? I E\ifAl PERMANENT UTILITY I:w T,J1' EASEMENT - TO CREEK ^W VERTICAL s I" m v CENTERLINE (TYP) v?vt v.'v t y'vp v t v' r' pN 1-0' I ?g?' \ y _ .;tom e Oj t.t vt?vNvt v` •.:.'??v v. IA b ,? `v „ .:, , h ?? O? ?. 4 `n ` 8 Orl 1'F 00 z 2- pG wQ a: Q LuN ? &+rNN ?mY NOTE: \ Q. ?{IYUf p +'? p p S? mu ALL PVC PIPE SHALL BE PVC SDR-35 ?V + . u nl- uzz ?L vQ FOR GRAVITY SEWER AND PVC SDR-21 {$ *?6 n o iaq zza Q?» *v N N FOR FORCE MAIN UNLESS OTHERWISE aQ? +Ifl q pF IN }?N ANN a p»> 18?2Z Q+rO p?? SHOWN. ZU)er 6?Z mrZnF ?N ZZZ 00 HVUt0, +NAAF p?aWJ w 44 E > Oz °• 000 +s I:»> Lu YEAR`r>>w- exoro FLOOD EL. L. ZZ FlNISNED - - - -. p@_ _ - - - - _ GRADE --- --- -- - --- _ --- _ r-- -- - --_ 10 - - uJSTALL xANN L] TJ C75Td -- ?? :_ 10 10 - =--? _ _ - - - -- -z?= =- WITH EXISTING GROUND - - -- - - - 5 5 _ ?-- -- - ----- 4- ??- ? - '_ - - - ._ 5 w ST. HfN. 6b LF -6" DA. U COVER A y T - D. 1. -FORCE MAIN - 0 - 6s1.. 90 0 0 ... __.:: - 285,I6 LF MJ BEND " 221. F 0. ? LF 91% P 0.86% iDu 325J8 LF @ 0.26% f0 PVG Lff 10" DI mmm DI PIPE 123.55 LF 13.34 6 q0' NJ BEN PIPE -5 E 54EET -P54 FOR CONTINOATION INSTILL CLASS-I RIP-RAP -5 -5 - 10" PVC It). -- - ERP TQP OF:_BANK TO TOE SLQ_(Tf', EAC}I 51D r- ?? +SEAARA ON - tREEf3 MH 9038 1+00 2+00 3+00 4+00 5+00 6+00 7+00 S 'A 6 16 23.83 LF LINE BACK INSTALL WATERTIGHT SEALED MANHOLE EQUALITY 0 02q% LINE BACK COVER ON MH 902r M14 q03r MH 105G" SQUALL H 105A MH C106 M14 qO7 MH 9%. MH 03 STATI 10" DI PIPE STATION M H r r STA, 1+14.21 MH 903B STA. 0+73.11 LINE AHEAD LINE AHEAD NOTES. DMSIaV 11 1. CONTRACTOR TO VERIFY SIZE DEPTH MATERIAL AND LOCATION OF ALL EXISTING UNDERGROUND UTILI{tIES PRIOR TO THE START OF CONSTRUCTION 6.CONTRACTOR SMALL REBUILD AND RESTORE ALL HEADWALLS DESTROYED DURING CONSTRUCTION TO THE ORI INAL CONDITION PRIOR O ONST N N T>-- OUTFACE E te: . 2 CONTRACTOR SHALL REMOVE AND REPLACFJREINSTALL EXISTING DRIVEWAY T C RUCTIO . CO TRACTOR G SNAIL FURNISH ALL LABOR AND MATERIALS AS REQUIRED. NOTES AT NO TIME DURING CONSTRUCTION SHALL SPOIL 10" DI GRAVITY SEWER STA 1+00 TO STA 6+29 98 APRIL 2002 . PIPES AS REQUIRED TO INSTALL GRAVITY SEWER, 7.CONTRACTOR SHALL REMOVE AND REINSTALL EXI5TING FENCE(S) AS REQUIRED FOR OR EXCAVATED MATERIAL BE PLACED OR STORED IN WETLANDS, CONTRACTOR SHALL PLACE ALL SPOIL MATERIAL IN UPLAND OR . . . 10" DI GRAVITY SEWER STA. 0+73.11 TO STA. 6+35.27 50 uoR •5' VERT 3.CONTRACTOR SHALL BE RESPONSIBLE FOR BRACING/SUPPORTING POWER POLES AS REQUIRED TO FACILITATE CONSTRUCTION OF THE GRAVITY SEWER. CONSTRUCTION. ALL FENCE 5) DAMAGED AS A RESULT OF CONSTRUCTION SHALL BE REPLACED WITH NEW FENCE(S) OF LIKE MATERIALS BY THE CONTRACTOR. CONTRACTOR NON-WETLAND AREAS OF THE CONSTRUCTION EASEMENT. 6" DI FORCE MAIN STA. 1+05 TO STA. 5+60t 4.CONTRACTOR SHALL BE RESPONSIBLE FOR REPLACING RESTORING AND/OR BALL FURNISH ALL LABOR AND MATERIALS AS REQUIRED. REPAINTING ALL PAVEMENT MARKINGS AND STREET ADDRESSES PAINTED ON S. ALL DUCTILE IRON SMALL BE LINED WITH PRarECTO 401 CERAMIC LINING EXISTING CURB / GUTTER OBLITERATED DURING CONSTRUCTION. THE CONTRACTOR OR 5EWPER COAT LINING. ) coMM 0 SHALL FURNISH ALL LABOR AND MATERIALS AS REQUIRED. 1 P EW ER fAMMEN 91 5-CONTRACTOR SHALL BE RESPONSIBLE FOR REPLACING ALL OF THE NEW HANOVER q• TERMINATION MANHOLES 514ALL BE FIELD ADJUSTED/LOCATED AS REQUIRED TO ENSURE ADEQUATE SEWER SERVICE s 5 12 COUNTY HORIZONTAL CONTROL. POINTS ESTROYED DURING CONSTRUCTION NOTE THAT THESE EXISTING CONTROL POINTS' ARE NOT SHOWN ON THE NS U N . 10 CONT T O CO CTIO TR . RAC OR SHALL PR VIDE SNORING OF TRENCH FOR INSTALLATION OF THE NEW PLANS. IT SHALL SE THE CONTRACTORS RESPONSIBILITY TO LOCATE VERIFY AND SEWER MAIN. REPLACE THESE "CONTROL PONT°1. THE CONTRACTOR SHALL FURNISIN ALL t AND MATERIALS AS REQUIRED. 11. NOTE THAT CLEARING WILL BE REQUIRED FOR AREAS SHOWN ON THIS SHEET AND WILL BE LIMITED TO THE EASEMENT DIMENSIONS AS SHOWN. CLEARING LIMITS REoV 5 ONS Date HAVE BEEN >N SHOWN ON THIS SWEET TO PROVIDE CLARITY 46 "136i4•flI1Ml"• mmm CMK Zq&.d: Awe ra o: sm oturo ma sx m cm. mm CAM" 2m 0444-0017 NEW HANOVER COUNTY NORTH CAROLINA PCO MIDDLE SOUND REGM& WASTEWATER FACILITIES WROVBMM _- -- svunnmrnnsc??ma9ncwr; \ 1 0 n., tt 1 ,.T-.M., wA c t r ?, r ll l ?, o ? ? LONG JOHN ? ter, .•.\ { ?. `\ ^, ti?i ,_ ,.,fl J.:/ ?'`??.. ? .SANITARY SEWER SEE SHEET P67 /??? C ? , • T? , ,. 1 ._ .? - - -- r v ?j 1 I r ?a? ? S NITARY SEWER ER l l EE SH ET-P69 ! 1 EXI5T. B, A.? 1 ?y / WATER LIN ' r ROPERTY ILINES, (TYP) I .? LoNd,lot?; .,, :\ \ \ ? ( P) r I /-off NE ETY L \\\ ! 5 0 I I A ?? U??? b?? r SEWI SNEfTSpN4ER I I `, l \ \ NORniH.LSDRIVE-, 3A1 EXISTING 1' r i? ?- ' i ll) 1- \\ S EET 63 i ?2?` COMMUNITY II I .- -?..?,, ??.• , t? ti I ? hj r'- ,,- „r v ?ENtERLI 0 N ?I 1? " 'i I \ 1 1 ? CRE??7'??'? ? "' -4 II • I-? : ?., ?? :11 \ SILTEtl E I r .? (TYP) - ourt=Al -'E' `,fi w ?" T .? , = 1 CROSSING BY 1 +71.23 r ?,:1 L? ND J r G'GT I!L y9 T1 Z `., 1 OPEN CUT UT -?? 'TIEING5 UNDER?ROU -En J 1X N=191 ? 0 i t 6 14ti?, ? ??-,,??'?_ _s1. ?TF O? k ,? i? it WETLANDS LF ? , ?'? ? ?? I a ? I r,? : ? . ?.,, ? , ' ?Al •? A- i T 1 ,• Y OPEN 1 \I %' ? CH 1 ,; 1 y I `j ' I '-4 \ CUT MIH ?'Jy' 1 1 t 3+35.30 DRAI IN?E30 DAM, \ ?\ STAil5 $ , I 1 199'4939" SEMINT (?)l 1 DAMCK ` i 1 p I 11 1 _...... \ _ I _. 1 114 ( J }?l• 1 _ -- --_ 4 30 N=191568.94 ANTI SEEP V (,) 43fiGNOUTFALL E PERMANENT $ ?$ f tYP COLLAR A ,.- s EXTENSION \ E=2367905.66 1 A L-CITYPY (I I 6A.c. V \ i ROBERT STA. I \I\I 1 (TYP) " A 1 ??? = `' I ?' Fxl 93 5850 WATER LINE _ ti + t o ROBERT 81EN DRIVE N 19170112 SANIT :12Y...cyEN?R \ SEE SHEET P4? I y-.r' III r' I I 11TARY SEHtER"- E=236771Q.g9 f q tU, r' . `t s + tSEE SNEEf P66 7r NOTE: AT NO TIME DURING CONSTRUCTION SHALL SPOIL OR EXCAVATED MATERIAL BE PLACED OR STORED IN WETLANDS. CONTRACTOR SHALL PLACE ALL SPOIL MATERIAL IN UPLAND OR NON-WETLAND AREAS OF THE CONSTRUCTION EASEMENT. 04 LID mr7? ? p0 0 _ 0 3 30 a azzz ? EXISTING ASPHALT Q+mo a? 0 EXI 1NG HzXLT " +? i h TREASURE 15LAND BA1 EY AV Z WAY >> 2 - + aZZ a En { l/L 1 25 Fr - ©o o ?C -. EXI5Itr r ^ \ f8 CMP _ az_ 10 LuTRAW W/ NET 10 2 ------ 7ABILIZ TIOM . ?_.. ?i E 15 EF Z?Tt OrODR-21PVC - - FORCE MAN 15 ROUND _ 15 - DRY BORE 0.28% I0" Pt?C AND JACK 11 7492 Lf _ 10° jPVC 235.93 LF 40 LF DI IO 0 0 LF - F 0.28_ , S 10 0 UNDER SR 148q fB1 " ER4 B ORE AND JAC - A LF. 20" STEEL 5v TAT ION ...,: __.. a 5 - I - - ENCASEMENT PIPE 1+00 2+00 3+00 (MIN. 0250" WALL THICKNESS) W/ 30 -10 LF 12" PVC CARRIER _ -_ 10 PIPES P81 FOR PLAN VEIN DMSION II OUTFALL "E" 10" DI GRAVITY SEWER STA. 1+00 TO STA. 5+71.23 1+00 2+00 3+00 4+00 5+00 NorE, NOTES, 50' 25' 0 50' 100' CONTRACTOR MAY FIELD ADJUST OR DELETE MANHOLES SHOWN ON TMI APRIL 2002 SHEET TO AVOID CONFLICTS WITH STRUCTURE AND TO FACILITATE EAS PROFILE A-1 I. CONTRACTOR TO VERIFY S DEPTH MATERA. AND LOCATION OF ALL 6.CONTRACTOR SHALL REBUILD AND RESTORE ALL HEADWALLS DESTROYED DURING OF CONSTRUCTION ALONG DITCH LINE. ALL PIEI.D MODIFICATIONS MUST V•6o' u0R EXISTING IRU?ROUND UTILI Es PRIOrtTO THE START OF CONSTRUCTION. CONSTRUCTION TO THE ORIGINAL CONDITION PRIOR TO CONSTRUCTION. CONTRACTOR BE APPROVED BY THE ENGINEER AND OWNER. 8" PVC GRAVITY SEWER STA. 1+00 TO STA. 2+74.92 `'' vERT 2.CONTRACTOR SHALL REMOVE AND REPLACEMEINSTALL EXISTING DRIVEWAY SHALL FURNISH ALL LABOR AND MATERIALS AS REQUIRED. HORIZONTAL , I" = 50' ALL PVC PIPE SHALL BE PVc sDR-Ss FOR GRAvrrr SEWER AND PVc PIPES AS RFLUIRED TO INSTALL GRAVITY SEWER. 7.CONTRALTOR SHALL REMOVE AND REINSTALL EXISTING FENCE(S) A9 REQUIRED FOR SDR-21 FOR FORCE MAIN UNLE55 OTHERWISE SHO N. &CONTRACTOR SHALL BE RESPONSIBLE FOR BRALINWSUPPORTII?, POWER POLES CONSTRUCTION. ALL S) DAM44ED AS A RESULT OF CONSTRUCTION SHALL BE , , 1 , AS REQUIRED TO FACILITATE CONSTRUCTION OF THE GRAVITY SEWER, REPLACED WITH NEW9) OF LIKE MATERAS BY THE CONTRACTOR CONTRALTCR 5 2.5 O 5 10 SHALL FURNISH ALL LABOR AND MATERIALS AS REQUIRED. 4.CONTRACTOR SMALL BE RESPONSIBLE FOR REPLACING, RESTORING AND/OR 6. ALL DUCTILE IRON SHALL BE LINED WITH PROTECTO 401 CERAMIC LINING "ENSFD PER NEW HMOV C"UNW COMMEYR 2/14/03 ADDRESSED CAM /TIC T? PAVEMENT iTERATEO IINNG ?TR?UCTION CONTRACTORR SHHALLL OR SEWPER COAT LINING. VERTICAL : I" = 5' 5/12/03 FURNISH ALL LABOR AND MATERIALS AS REQUIRED 9. TERMINATION MANHOLES SHALL BE FIELD ADJUSTED/LOCATED AS REQUIRED TO 5.CONTRACTOR SMALL BE RESPONSIBLE FOR REPLACING ALL OF THE NEW HANOVER ENSURE ADEQUATE SEWER SERVICE COUNTY HORIZONTAL "C9NTR' LFONTS' PESTROYED DURING CONSTRUCTION NOTE 10. CONTRACTOR SMALL PROVIDE SHORING OF TRENCH FOR INSTALLATION OF THE NEW INSTALL ALL MANHOLES ON THAT THESE POSTING 'CONTROL POINTS ARE NOT SHOWN ON THE CONSTRICTION PLANS. SEWER MAIN. IT sHA11L BE THE ORS RESPONSIBILITY TO COCAT?, VERIFY MUD REPLACE THIS SHEET FLUSH WITH Rn ro. Pn,e THESE CONTROL POI TTHE CONTRACTOt SHALL FURIJISH ALT. I Ai?OR'w0 THE EXISTING GROUND MATERIALS AS REQUIRED. R VISIONS M?T??tREm 496 "=vtt"xCas•aw,c?a" CFIK A 6 0 w.s wm iivn. s=m CAVr, wm" waarsr", 0494-0017 NEW HANOVER COUNTY 5 Nu. NOHTH CAROLINA P61 N MLE SOUND REGIONAL WASTEWATER FACLITIES INPROMAE TS S:\D49A W710KV07WP40.DM ER MH IIIA SAYA Al \ t 57A. 4+g14'J ?w ?k E 4 18 OFF .5' OFF i 220'5713"E EXTENSION -1H IIIB WETLANDS S SHEET'S ?te ?s l \? STA. 5+54.q5 O OUTFALL'e 24'08F2 EOP SSHE q n" A ' ANT145EEP o( . Co 1 S A. 3+q3I 1 s (TYP) EXISTING 1 b? / EXISTING 6" ;R PROPERTY"kINE N h?ATER LIN€ MH 113A / i / ?? STA. 2+g7.56 / •. '? r s 20 OFF E01?_. EXISTNCp DITCH RESTORE / 30 P/E13P1ANENT TO ORIGINAL CON ITT-W r UTILITY AND ¢'WrALL STRAWWk t 2;r EASEMENT T y pip 110 j^ MH 112A NET ASi TEMPORARY/ LINtR ?. / STA. 7+32.21 a STA. lA3'53'37° /?? 3+qii7 6 EXTENSION HEET 3.0' OFF?OP I. OFF EOP/ Bq'5356/ A i /? /'. / a .;car;, ?\ l 6 % 8a? E =EXISTING HOUSE v' S co d SEE SHEET P60 g TO BE REMOVED S, BY OTHERS i10' TEMPORARY 4 CONSTRUCTION ?. REMOVE AND ? EASEMENT MH IOq h BEGIN DUNN PLAdE REPLACE 24° ;• ? 5TA 5+7464 ?" 4a / ?,??? ?H 113A PS 56 I+00 QUIRED i 1 / i '+ 4\ I ! A 4? / 3.5I OFF ,LOP ROSbING BY _PPEK CUT 0 EXIST. 6" PVC. i \ \ s/ WATER LINE ' /Z / ' INSTALL ALL MANHOLES ON 50 25 0 50' 100' / THIS SHEET FLUSH WITH )R1N I THE EXISTING GROUND HORIZONTAL 50' ( w/ /BORE AND JACK ,50 LF 16" DIIj?STEEL / SANI IARY`,SFHF J D 5 2.5 0 5' 10 ENCASEMENT (MIN. 0.250" WA THICKNESS) SEE SHEET 'P63 DLE BOUND LOOP ROAD W/ 30 LF 8 Pq/C CARRIER PI .A I RY SEW NOTE: ` f VERTICAL i V 5' END DUNN PLACE DRIVE ALL'PVC-PIPE SHALL AE PVC SDR-35 F GRAVITY TEE SHEET PB ER AND PVC SDR-21 FOR FORCE MAN UNLESS Q m $TA. 10.28 / ??. ! /' OT WISE SHOW i +I W ? ? UFi EXISTING WATER SYSTEM AND APPURTENANCES SHALL E TO Q w r BE REPAIRED AT CONTRACTOR'S EXPENSE IF o0 LA DAMAGED DURING CONSTRUCTION. CONTRACTOR?MAY o?n a?. Fty v FIELD ADJUST LOCATION OF MANHOLE AS REQUIRED Q+ o11191 °11 I m= H n +* TO MINIMIZE CONFLICTS, IF APPROVED BY THE N-mzzo ?? +p q H Q N 4`1 Q ENGINEER. »> m` gm cri aZ _. . _ *??mLlr 7 .. 77 to toEXISTING 6" Q++im) n WATER LINE s? it z l f!(f5[I G ASPH LT __> 61 a _d ' _ ._I IiDDL SOUND -- - - -- EXISTING 6Q 20 20 GROUND - 10- 10 1Sf:.6 1j `G YIJD_....__ n i -__ t p N fl - ZZ ATER LIE >u _. : 26 LF Z 5 - - ISTING ASPHALT ? DUNN CE : EXISTI ASPA NI _ DUNN PLACE _ ,. 170 LF N4 44X," C 142. 3 LF 0. -- - --- - - - 4OX$° `'w DUNK! P GE -- 10 r .hJINT-tBEfl -F#NIRE. _ - AND : ACK7-30- LF-36'.'. T3 ;: STEE - - 63. $ ; _ _ - -- T_ _- _. LL THICK LF u WT LF 8 PVG TER PPE -- 89 .. Lp _ . -5 _ R gt1NDER fltTG11 __ .1 ; _ -5 -DJ 0 p-- _ --- - - - , _ - -- - - - -- -?-- 1 - - ? -- - S?PARATI Dt?tVIPtACE - -r?-- TES. CONTRACTOR TO VERIFY SIZE DEPTH MATERIAL AND LOCATION OF ALL 6. CONTRACTOR SHALL REBUILD AND RESTORE ALL HEADWALLS DESTROYED DURING DMMON II DMSION II EXISTING UNDERGROUND UTILIITIES PRIOR TO THE START OF CONSTRUCTION. CONSTRUCTION TO THE ORIGINAL CONDITION PRIOR TO CONSTRUCTION. CONTRACTOR --- SHALL FURNISH ALL LABOR AND MATERIALS AS REQUIRED. CONTRACTOR SHALL REMOVE AND REPLACE/REINSTALL EXISTING DRIVEWAY SR 1992 DUNN PLACE DRIVE DUNN PLACE EXTENSION APRIL 2002 'IPES AS REQUIRED TO INSTALL GRAVITY SEWER. 7. CONTRACTOR SHALL REMOVE AND REINSTALL EXISTING FENCE(S) AS REQUIRED FOR e, S CONSTRUCTION. ALL FENCES DAMAMGED AS A RESULT OF CONTRUCTION SHALL BE 8" PVC GRAVITY SEWER STA. 2+97.58 TO STA. 10+45.28. PVC GRAVITY SEWER STA. 1+00 TO STA. 3+93.13 P-W VERT CONTRACTOR SHALL BE RESPONSIBLE FOR BRACING/SUPPORTING POWER POLES REPLACED WITH NEW FENCE(S) OF LIKE MATERIALS BY THE CONTRACTOR. 0.50' "OR AS REQUIRED TO FACILITATE CONSTRUCTION OF THE GRAVITY SEWER. CONTRACTOR SHALL FURNISH ALL LABOR AND MATERIALS AS REQUIRED. cnK CONTRACTOR SHALL BE RESPONSIBLE FOR REPLACING RESTORING AND/OR REPAINTING ALL PAVEMENT MARKINGS AND STREET A6DRE55E5 PAINTED ON 8. ALL DUCTILE IRON SHALL BE LINED WITH PROTECTO 401 CERAMIC LINING pWAM-PLARM-U?pft EXISTING CURB t GUTTER OBLITERATED DURING CONSTRUCTION. THE CONTRACTOR OR SEWPER COAT LINING. ° ANB 2 XmTy .01111 /15/0, Vlff """vN vice ou"rr 3/19/03 ? WIM M. SM 117 SHALL FURNISH ALL LABOR AND MATERIALS AS REQUIRED q, TERMINATION MANHOLES SHALL BE FIELD ADJUSTED/LOCATED AS REQUIRED TO 0494-0017 ENSURE ADEQUATE SEWER SERVICE, CONTRACTOR SHALL BE RESPONSIBLE FOR REPLACING ALL OF T14E NEW HANOVER A :OUNTY HORIZONTAL "CMTROL POINTS" PESTROYED DURING CONSTRUCTION NOTE 10. CONTRACTOR SHALL PROVIDE SHORING OF TRENCH FOR INSTALLATION OF THE NEW HANOVEFi COUNTY snot N°' rMAT THESE EX15TING CONTROL POINTS ARE NOT SHOWN ON T14E CONSTRUCTION PLANS. IT 514AII,,IL BE THE CONT.R?CTORS RESPONSIBILITY TO LOCATE, VERIFY AND REPLACE NEW SEWER MAIN. NORTH CAROLINA P6 Z ALL AND rHESE CONTROL POIN S. THE CONTRACTOR SHALL FURN15H Rev NO. MIDDLE SOUND REGIONAL ?? oArz WASTEWATER FACILITIES IMPROVEMENTS MATERIALS AS REQUIRED. => ISIONS s,wr+noa nowFVenmAOa ow4 r? It I ?CLEARIN x / LIMITS % i EXIStINC,t'PROP'ERTY I (TYP I I LINE ??Yk?) -? ANTI-SEEP ` ) -? // ?f ? COLLAR (TYPO -"?n N ANTI-SEEP MH 255 303.84 LF 8 1 M 8I3B ?'/ / %/// ,? COLLAR (TYP STA. 4+3.84 --?? - STA, 7+07.68 180'00'00, L-- WETLAND / 10 TEMPORARY CONSTRUCTION AIE ?TIL f ?:'/ ?{ / r.., EASEMENT (TYP) )PERMANENT UTILITY ? / i / 5 toy //j / ?'? =1 1) >f?T% / ?I?fi? FaEE? 'CLEARING LfM ?/ ITS (TYP)/? IT KCOURT/ `SANITARY SEWER MW 902 1 SEE SHEET P91 STA. 15+56.19 RING N la' ? / f/ MITS I n PROPERTY rn LINE (TYP) MH 8158 v? v - -- A tt ?? (OUTFACE F) NOTEt AT NO TIME DURING CONSTRUCTION SHALL "SPOIL \ - OR EXCAVATED MATERIAL BE PLACED OR STORED WETLANDS, At a CONTRACTOR SHALL PLACE ALL SPOIL MATERIAL IN DPLAND OR ANTI-SEEP NON-WETLAND AREAS OF THE CONSTRUCTION EASEMEN COLLAR (TYP) a rtj?r O ' MH 903 STA. 17+29.31 121'38'440 MCC (n to t0 pZ p Nrm CN u 11pp w 0 _±? i eH g m+? LIt21 +r ?? 20 ZZ?_ LXIS... +?gII d?Z?LI? iltt M-.0 L K? _»>N a ?? 01 0 0 GROUND » L KZZZZ H N? i0 EXISTING ASPHALT tg _= I - - - L [??? STONEYBROOK DRIVE ?i? EL 00 EA F O01T" - p B ZA ELEVATION-L 1100 f _ 20 EXI TING 6" WATER LINE Ip ZZ ? r ?vr 10 - j rn ELEVAON 11 0 ma-- EXISTING GROUND IT 100 TEARL I 900 61 0,25% 10° FiVC 173.I7,LF 336.27 LF 0.31% P?C C- -tT 303.84 LF ®0f40% @" DI 0 (? 0% 303.84LFr @ 0.4f 8 QI.. i0u PVC C-900 OC ......0 y -? -> I 0LqFAlj- 'Or OUTFALL ' 1.7 _ - - -}---r--, ._... _ - 7 j - - L i 111 Ev 4-- 11+00 12+00 13+00 14+00 15+00 16+00 17+00 18+00 19+00 201 1+00 2+00 3+00 4+00 5+00 6+00 7+00 DNSION II NOTES - NOTE) ALL PVC PIPE SHALL BE PVC I. CONTRACTOR TO VERIFY SIZE, DEPTH MATERIAL AND LOCATION OF ALL At EXISTING UNDERGROUND UTILITIES PRIOR TO THE START OF CONSTRUCTION. 7•CONTRACTOR SHA" REMOVE AND REINSTALL EXISTING FE CF(S) AS REQUIRED FOR SDR-35 FOR GRAVITY SEWER OUTFACE G1 OUTFACE G CONSTRUCTION, ALL S DAMAGED AS A RESULT OF CONSTRUCTION 9FIALI BE AND PVC SDR-21 FOR FORCE r REPLACED 2 PIPES TRRE REQUIRED TALL AND REInAcEAMNST EXISTING GRAVITY R ALL ?ry Y SHALL WSH ANLLLL B R AND MMALTIEERRIALLS AS I MIRED E TA MAIN UNLESS OTHERWISE 8" PVC GRAVITY SEWER STA. 1+00 TO STA. 7+07.68 8" & 10" PVC GRAVITY SEWER STA. 11+36.07 TO STA. 20+00 ao+ 3. CONTRACTOR SHALL. BE RESPONSIBLE FOR BRACING/SUPPORTING POWER POLES S, ALL DUCTILE IRON SHALL BE LINED WITH PROTECTO 401 CERAMIC LINING SHOWN. t ? ? I '^' BE=OUIFALL t11 I' MH` 255A STA. f+00 ! i „I?fi 3 SALT BPogC COURT SANITARY SEWER SEE SHEET P92 ?r J FOR CONTINUATION °j BALI AS REQUIRED TO FACILITATE CONS7RUC I bN OF THE GRAVITY SEWER. SEWPER COAT LINT 4.CONTRAL?OR SHALL BE RESPONSIBLE FOR REPLACING RESTORING AND/OR REPAI NG ALL PAVEMENT MARKINGS AND STREET AbDRESSE5 PAINTED ON EXISTING 9, TERMINATION MANHOLES SHALL BE FIELD ADJUSTED/LOCATED AS REQUIRED TO ENSURE ADEQUATE SEWER SERVICE 1 25' 0 ? 1 ? CURB GUTTER OBLITERATED DURING CONSTRUCTION. THE CONTRACTOR SMALL FURNISH ALL LABOR AND MATERIALS AS REQUIRED . . 10. CONTRACTOR SMALL PROVIDE SHORING OF TRENCH FOR INSTALLATION 5-CONTRACTOR SHALL BE RESPONSIBLE FOR REPLACING ALL OF THE NEW HANOVER OF THE NEN SEWER MAIN. HORIZONTAL IN . 50' COUNTY NORIZON TAL 'CQ POIHTS DURAIG CON ' M ZO YED STRU CTION NOTE A N EXISTIN THAT THESE PLANS, POINTS ARE N SHOWN OT ON T HE CONSTRUCTX7N G POIN?TTS I' HESE BE T i .CTT14EE C FOR SHALL FUULOCATE RNISH'ALLA?ORkAND REPLACE - 5' 2 5' 0 5' 10' . . MATERIALS AS REQUIRED.. . 6, CONTRACTOR SHALT. REBUILD AND RESTORE ALL HEADWALLS DESTROYED DURING REV NO. DE54'9RnoN DATE CONSTRUCTION TO THE ORIGRUL CONDITION PRIOR TO CONSTRUCTION. CONTRACTOR VFRTIfA1 . it' . FI RFVICI()NC ewtumtusne R'I uar, MmMmN a NEW HANOVER COUNTY NORTH CAROLINA MIDDLE SOUND REdONAL WASTEWATER FAGS IMPROVEMENTS a r- I • +r MATCHLINE STA. 17+00 MH 815.. " EE SHEET PSq STA. 5+03.5q r . f r I __ ?. T .. EXISTING PROPERTY r ro 4 .... TEMPORARY CONSTRUCTION \ i EASEMENT \j 7 WETLANDS / ? k !( i' 4??t E f P8 ?: ?? ?? / i H 513 {{ ?O' R?RMANENi' llTILITY- ? v - _ ? i - ! (t !7 8 >>9? / / STA. 13+75 If I ` EASEMENT / o 0 / 1 10 OFF PROPERTY SS F A. F S j ^p e G/ ) LINE (TYP) GQLLAR // ro/ ?11 +30,66 J 1 rll ANTI-SEEP ( ) i OUIFALL P i CLEARING LAR . % STA& 17 If /1 r ; !Ir j (7Yw) \ `- 10, TYP 5 (TYP) 52 LIMIT 75 .~ I LP o `?/!1 7 COLLAR EP (TYP r ? 8 1 j I - - S3 `` \`• (TYP) / MH 8138 MH 8158 Z STA. I I+88.04 ,ETA. 7+51.37 I 0 CLEARING LIMITS MM q01? ALL PVC PIP?i SHALL BE PVC 5DR-35 j i 30' PERMANENT UTILITY _ (TYP) STA 11+04.12 J ! II I j EASEMENT ?? IF 5' TEMPORARY 1 f . ` FOR GRAVITY SEWER AND PVC 5DR-21 ! i CONSTRUCTION 1 f FOR ORCE FAIN UNLE55 O7HERWI5E ?I1 +? EASEMENT (TYP) r ! I f! ? EXISTING PROPERTY 1 ?I ? LINE (TYP) 1 NOTE: i i 11 ,4 AT NO TIME DURING 57RUCTION SHALL SPOIL OR EXCAVATED MATERIAL E PLACED OR STORED IN WETLANDS CONTRACTOR SHALL PLACE ALL SPOIL MATERIAL IN UPLAND Ir ! t 11 " OR NON-WETLAND AREAS OF THE CONSTRUCTION EASEMENT. r k-CM "ALL -P ? ; ? y?r 1 MH BI6A /I STA. I+00 _,.. 1 ( i r ( SEE SHEET P87A 1 NOTES, 1. CONTRACTOR TO VERIFY SIZE, DEPTH MATERIAL AND LOCATION OF ALL EXISTING UNDERGROUND UTILITIES PRIOR TO THE START OF CONSTRUCTION. 2. CONTRACTOR SHALL REMOVE AND REPLACE/REINSTALL EXISTING DRIVEWAY PIPES AS REQUIRED TO INSTALL GRAVITY SEWER. 3. CONTRACTOR SHALL BE RESPONSIBLE FOR BRACING/SUPPORTING POWER POLES AS REQUIRED TO FACILITATE CONSTRUCTION OF THE GRAVITY SEWER. 4. CONTRACTOR SHALL BE RESPONSIBLE FOR REPLACING RESTORING AND/OR REPAINTING ALL PAVEMENT MARKINGS AND STREET Z6RE55E5 PAINTED ON EXISTING CURB 4 GUTTER OBLITERATED DURING CONSTRUCTION. THE CONTRACTOR SHALL FURNISH ALL LABOR AND MATERIALS AS REQUIRED 5. CONTRACTOR SHALL BE RESPONSIBLE FOR REPLACING ALL OF THE NEW 14ANOVER COUNTY HORIZONTAL "CONTROL POINTS" PE5TROYED DURING CONSTRUCTION NOTE THAT THESE EXISTING 'CONTROL POINTS ARE NOT SHOWN ON THE CONSTRUCTION PLANS, IT 514ALL BE THE CONTRACTORS RESPONSIBILITY TO LOCATE, VERIFY AND REPLACE THESE "CONTROL POINTS". THE.CONTRACTOR SHALL FURNISH ALL LAE(OR AND MATERIALS AS REQUIRED. 50' 25' 0 50' 100' 6. CONTRACTOR SHALL REBUILD AND RESTORE ALL HEADWALLS DESTROYED DURING HORIZONTAL : I° 0 50' CONSTRUCTION TO THE ORIGINAL CONDITION PRIOR TO CONSTRUCTION. CONTRACTOR SHALL FURNISH ALL LABOR AND MATERIALS AS REQUIRED. 5' 2.5' 0 5' 10' 7. CONTRACTOR SHALL REMOVE AND REINSTALL EXISTING FENCE(S) AS REQUIRED FOR CONSTRUCTION. ALL FENCE(S) DAMAMGED AS A RESULT OF CONSTRUCTION SHALL BE REPLACED WITH NEW FENCE(SOF LIKE MATERIALS BY THE CONTRACTOR. CONTRACTOR VERTICAL : I" • 5' SHALL FURNISH ALL LABOR AND MATERIALS AS REQUIRED. S. ALL DUCTILE IRON SHALL BE LINED WITH PROTECTO 401 CERAMIC LINING OR SEWPER COAT LINING. q. TERMINATION MANHOLES SHALL BE FIELD ADJUSTED/LOCATED AS REQUIRED TO ENSURE ADEQUATE SEWER SERVICE. 10. CONTRACTOR SHALL PROVIDE SHORING OF TRENCH FOR INSTALLATION OF THE NEW SEWER MAIN. DATE REVISIONS DMSION II OUTFALL F 8" PVC GRAVITY SEWER STA. 1+00 TO STA. 15+00 1V?T?V1?rCREE CAR D V wm?.xArAMW 1117 CAR W.W M0. 1111 rixr, ? wcw mn NEW HANOVER COUNTY NORTH CAROLWA MIDDLE SOUND REGIONAL WASTEWATER FACLREs IMPROV®AENTS ??awnoar V \ ?/W Z3 Q t03CD - _q? n-o 3-5-- 77 C, A. e- s. II?? ?O?v ' QG Governor Sherri Evans-Stanton, Acting Secretary Department of Environment and Natural Resources Kerr T. Stevens Division of Water Quality March 20, 2001 DWQ Project # 010093 New Hanover County CERTIFIED MAIL-RETURN RECEIPT REQUESTED New Hanover County Middle Sound Regional Sewer Attention Wyatt Blanchard 414 Chestnut Street Wilmington, NC 28401 Dear Mr. Blanchard: The Division of Water Quality has reviewed your plans for the discharge of fill material into 1.01 acres of wetlands located at Middle Sound in New Hanover County for sewer collection system construction. Based on this review, we have identified significant uses, which would be removed or degraded by this project as you described in your application received on January 23, 2001. Insufficient evidence is present in our files to conclude that your project must be built as planned in waters and/or wetlands in accordance with 15A NCAC 2H .0506. Therefore, unless modifications of the proposal are made as described below, we will have to move toward denial of your 401 Certification as required by 15A NCAC 2H .0507(e) and will place this project on hold as incomplete until we receive this additional information, we are requesting (by copy of this letter) that the U.S. Army Corps of Engineers place your project on administrative hold. Please provide us with information supporting your position that states your project must be constructed as planned and that you have no practicable alternative to placing fill in these waters and/or wetlands. Also please specifically address alternative routes for the utility line located near Slat Brick Court. Further your plans currently indicate that class 1 riprap will be placed on the entire disturbed area where the utility line crosses a stream. The placement of riprap on the stream bed is considered fill. Please clearly provide information which details the avoidance at this impact on private alternatives for consideration. Any documentation such as maps and narrative that you can supply to address alternative designs for your project may be helpful in our review of your 401 Certification. Please respond within three weeks of the date of this letter by sending a copy of this information to me and one copy to Ms. Joanne Steenhuis, Wilmington Regional Office at (910) 395-3900. If we do not hear from you in three weeks, we will assume that you no longer want to pursue this project and we will consider the project as withdrawn. I can be reached at 919-733- 9646 if you have any questions. cc: Wilmington DWQ Regional Office Wilmington Office Corps of Engineers Central Files File Copy V""' A. NT .' NCDEP;R Division of Water Quality 1621 Mail Service Center Raleigh, NC 27699-1621 Wetlands/401 Unit: (919) 733-1786 Fax: (919) 733-9959 ?OF W ATF?Q Michael F. Easley ,O G Governor ice- Sherri Evans-Stanton, Acting Secretary Department of Environment and Natural Resources p Kerr T. Stevens Division of Water Quality cc: CERTIFIED MAIL-RETURN RECEIPT REQUESTED New Hanover County Middle Sound Regional Sewer Attention Wyatt Blanchard 414 Chestnut Street Wilmington, NC 28401 Dear Mr. Blanchard: March 20, 2001 DWQ Project # 010093 New Hanover County The Division of Water Quality has reviewed your plans for the discharge of fill material into 1.01 acres of wetlands located at Middle'Sound in New Hanover County for sewer collection system construction. Based on this review, we have identified significant uses, which would be removed or degraded by this project as you described in your application received on January 23, 2001. Insufficient evidence is present in our files to conclude that your project must be built as planned in waters and/or wetlands in accordance with 15A NCAC 2H .0506. Therefore, unless modifications of the proposal are made as described below, we will have to move toward denial of your 401 Certification as required by 15A NCAC 2H .0507(e) and will place this project on hold as incomplete until we receive this additional information, we are requesting (by copy of this letter) that the U.S. Army Corps of Engineers place your project on administrative hold. Please provide us with information supporting your position that states your project must be constructed as planned and that you have no practicable alternative to placing fill in these waters and/or wetlands. Also please specifically address alternative routes for the utility line located near Slat Brick Court. Further your plans currently indicate that class 1 riprap will be placed on the entire disturbed area where the utility line crosses a stream. The placement of riprap on the stream bed is considered fill. Please clearly provide information which details the avoidance at this impact on private alternatives for consideration. Any documentation such as maps and narrative that you can supply to address alternative designs for your project may be helpful in our review of your 401 Certification. Please respond within three weeks of the date of this letter by sending a copy of this information to me and one copy to Ms. Joanne Steenhuis, Wilmington Regional Office at (910) 395-3900. If we do not hear from you in three weeks, we will assume that you no longer want to pursue this project and we will consider the project as withdrawn. I can be reached at 919-733- 9646 if you have any questions. Wilmington DWQ Regional Office Wilmington Office Corps of Engineers Central Files File Copy VQV7 NCDEi a Division of Water Quality 1621 Mail Service Center Raleigh, NC 27699-1621 Wetlands/401 Unit: (919) 733-1786 Fax: (919) 733-9959 2H .0506. Your project will continue to remain on, hold as incomplete until we receive this additional information. Also, we are requesting (by copy of this letter) that the U. S. Army Corps of Engineers place your _-__. _._.-1-1 Michael F. Easley, Governor O? WATF9 William G. Ross Jr., Secretary \Or pG North Carolina Department of Environment and, Natural Resources Vj 7 Gregory J. Thorpe, Ph.D. Acting Director Division of Water Quality August 21, 2002 CERTIFIED MAIL RETURN RECEIPT REQUESTED New Hanover County Engineering Dept. Mr. Wyatt Blanchard 414 Chestnut Street Wilmington, NC 28401 SUBJECT: New Hanover County Middle Sound Sewer Project PROJECT # 010093 New Hanover County Dear Mr. Blanchard: Thank you for your letters dated June 10, 2002 and August 6, 2002. Staff from the Wilmington Regional Office and from the Wetlands/401 Unit of the Division of Water Quality have reviewed the subject project. Specifically, letters dated June 10, 2002 and August 6, 2002, the Pre-Construction Notification application, and a review of the Middle Sound Regional Wastewater Facilities Improvements Plans, dated April 2002 and developed by Mckim and Creed, were reviewed. In addition, a site visit of portions of the proposed sewer line was also conducted by the Regional Office and Wetlands/401 Unit staff. Accordingly, in the letter dated August 6, 2002, you requested a variance request for the 401 Certification. A State issued 401 Water Quality Certification is required for utility line impacts to waters and wetlands. A General Certification (GC) is available which does not require written approval, provided that you can met the conditions as set forth in GC 3374. If you can not meet the General Certification conditions you must secure written authorization from the Division of Water Quality. As such, your request for a variance to a 401 Certification is not relevant. However, site specific conditions, unique to a given project, may be considered during this review process and be alternatively addressed with specific written conditions. With respect to condition number 16 of the General Certification, the requirement to install anti- seepage collars, is a typical requirement. The purpose of anti-seepage devices are to prevent wetland drainage effects that coincide with the installation of gravity sewer lines. However, a possible alternative to the installation of such a device is to provide a wetland monitoring plan to insure that wetlands are not remove from jurisdiction. In order for this approach to be approved the wetland boundary, beyond the footprint of the proposed easement, will need to be determined. Also, a hydrologic monitoring plan must be developed. This monitoring would need to be conducted prior to sewer line construction and for 5 years subsequent to project completion. General Certification condition number 16 aside, this office has serious concerns regarding the proposal to locate the sewer line within the stream channel. A review of the Middle Sound Regional Wastewater Facilities Improvements Plan (date April 2002 and developed by McKim and Creed) indicates that over 300 feet of sewer line is proposed to be installed within 10 feet of the stream bank (indicated on Plan page 60). Further, approximately 1000 linear feet or more of the gravity sewer line is proposed to be installed within the footprint of the stream (indicated on map page 61). The subject stream is an unnamed tributary that drains to Pages Creek, a Class SA High Quality Waters. However, it was determined that the subject unnamed tributary is a Class C waters. The proposed installation of the sewer line within the stream footprint and to such proximity to the stream bank, as indicated in Page 60 and 61, is unacceptable. It is requested, as a part of the 401 Water Quality Certification review, that you provide alternatives to these approaches. Therefore, as currently proposed, this office finds that there is insufficient evidence present in our files to conclude that your project must be built as planned in waters and/or wetlands in accordance with 15A NCA Exl27 Cardinal Drive t., Wilmington, NC 28405-3845 Telephone (910) 395-3900 FAX (910) 350-2004 An Equal Opportunity Affirmative Action Employer F VgATF Michael F. Easley, Governor `0?0 RQG William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources r Gregory J. Thorpe, Ph.D. > l Acting Director •? Division of Water Quality August 21, 2002 CERTIFIED MAIL RETURN RECEIPT REQUESTED New Hanover County Engineering Dept. Mr. Wyatt Blanchard 414 Chestnut Street Wilmington, NC 28401 SUBJECT: New Hanover County Middle Sound Sewer Project PROJECT # 010093 New Hanover County Dear Mr. Blanchard: Thank you for your letters dated June 10, 2002 and August 6, 2002. Staff from the Wilmington Regional Office and from the Wetlands/401 Unit of the Division of Water Quality have reviewed the subject project. Specifically, letters dated June 10, 2002 and August 6, 2002, the Pre-Construction Notification application, and a review of the Middle Sound Regional Wastewater Facilities Improvements Plans, dated April 2002 and developed by Mckim and Creed, were reviewed. In addition, a site visit of portions of the proposed sewer line was also conducted by the Regional Office and Wetlands/401 Unit staff. Accordingly, in the letter dated August 6, 2002, you requested a variance request for the 401 Certification. A State issued 401 Water Quality Certification is required for utility line impacts to waters and wetlands. A General Certification (GC) is available which does not require written approval, provided that you can met the conditions as set forth in GC 3374. If you can not meet the General Certification conditions you must secure written authorization from the Division of Water Quality. As such, your request for a variance to a 401 Certification is not relevant. However, site specific conditions, unique to a given project, may be considered during this review process and be alternatively addressed with specific written conditions. With respect to condition number 16 of the General Certification, the requirement to install anti- seepage collars, is a typical requirement. The purpose of anti-seepage devices are to prevent wetland drainage effects that coincide with the installation of gravity sewer lines. However, a possible alternative to the installation of such a device is to provide a wetland monitoring plan to insure that wetlands are not remove from jurisdiction. In order for this approach to be approved the wetland boundary, beyond the footprint of the proposed easement, will need to be determined. Also, a hydrologic monitoring plan must be developed. This monitoring would need to be conducted prior to sewer line construction and for 5 years subsequent to project completion. General Certification condition number 16 aside, this office has serious concerns regarding the proposal to locate the sewer line within the stream channel. A review of the Middle Sound Regional Wastewater Facilities Improvements Plan (date April 2002 and developed by McKim and Creed) indicates that over 300 feet of sewer line is proposed to be installed within 10 feet of the stream bank (indicated on Plan page 60). Further, approximately 1000 linear feet or more of the gravity sewer line is proposed to be installed within the footprint of the stream (indicated on map page 61). The subject stream is an unnamed tributary that drains to Pages Creek, a Class SA High Quality Waters. However, it was determined that the subject unnamed tributary is a Class C waters. The proposed installation of the sewer line within the stream footprint and to such proximity to the stream bank, as indicated in Page 60 and 61, is unacceptable. It is requested, as a part of the 401 Water Quality Certification review, that you provide alternatives to these approaches. Therefore, as currently proposed, this office finds that there is insufficient evidence present in our files to conclude that your project must be built as planned in waters and/or wetlands in accordance with 15A NCA N Ex127 Cardinal Drive t., Wilmington, NC 28405-3845 Telephone (910) 395-3900 FAX (910) 350-2004 An Equal Opportunity Affirmative Action Employer 2H .0506. Your project will continue to remain on hold as incomplete until we receive this additional information. Also, we are requesting (by copy of this letter) that the U. S. Army Corps of Engineers place your project on administrative hold. Finally, in your August 6, 2002 letter to the Wilmington Regional Office, you requested a variance to the Minimum Design Standards for sewer lines. An Alternative Design Authorization, may be issued by the Non-discharge Permitting Branch of the Division of Water Quality pursuant to 15A NCAC 2H 0219. In order for this review of your alternative design request to proceed and as part of the additional information request for the 401 Certification, please provide a written response to this office and a written request to the Non-Discharge Permitting Unit of Division of Water Quality. This response/ alternative design request should include; 1) a clear account of the your project constraints, 2) the current/approved design plans and construction detail specifications authorized under the Division's Gravity Sewer Minimum Design Criteria adopted February 12, 1996, for the sewer line approved under the Non-discharge permit WQ 0018725, and 3) any respective additional changes that you presently propose for installation. This information should be mailed to both the letterhead and to the attention of Kim Colson and Marie Doklovic at the Division of Water Quality, Non Discharge Unit, 1617 Mail Service Center, Raleigh, NC 27699-1617. Please respond to this letter in writing within 30 days by sending a copy of the information to Danny Smith, Raleigh 401/Wetlands Unit. If we do not hear from you within 30 days of receipt of this notice, we will assume that you no longer want to pursue this project and we will consider the project as withdrawn. If you have any questions, please feel free to call Danny Smith at (919) 733-9716. cc: Cyndi Karoly -Wetlands Group Danny Smith -401/Wedands Unit ?J Noelle Lutheran - WiRO Angie Pennock - US Army Corps of Engineers Dave Weaver - Assistant County Manager Kim Colson Non-discharge Branch OF DIVISION OF COASTAL MANAGEMENT FIELD INVESTIGATION REPORT 0 1 U09.3 1. APPLICANT'S NAME:-New Hanover County/Middle Sound Regional Sewer 2. LOCATION OF PROJECT SITE: Ogden area of Middle Sound, between US Hwy 17 & AIWW, and between Pages Creek and Howe Creek, in New Hanover County. Photo Index -1995: 22-258,259,260 1989: 4 175-18,19,20 State Plane Coordinates - X: 2366137 Y: 189171 GPS: 0-010818A . 3. INVESTIGATION TYPE: CAMA/D&F 4. INVESTIGATIVE PROCEDURE: Dates of site visit - 12/18/00 1/8/01 Was Applicant Present - Yes No 5. PROCESSING PROCEDURE: Application Received - 12/18/00 Office - Wilmington 6. SITE DESCRIPTION: (A) Local Land Use Plan - Wilmington/New Hanover County Land Classification From LUP - Conservation / Resource Protection (B) AEC(s) Involved: CW, Coastal Shoreline (C) Water Dependent: No (D) Intended Use: Public (E) Wastewater Treatment: Existing - Middle Sound Community is primarily individual septic tank systems w/ subsurface disposal. Planned Expansion of New Hanover County Sewer System (F) Type of Structures: Existing - Predominantly, single-family residences Planned - Pump stations (6), gravity and force main pipe collection system (G) Estimated Annual Rate of Erosion: N/A Source N/A .7. HABITAT DESCRIPTION: [AREA] TDR'PD TRT) Pa T p n n1ruu1D (A) Vegetated Wetlands .444,000 -sgft. (mixed coastal and 404) (B) Non Vegetated Wetlands 720 sqft. (Tidal creek crossings) (C) Other - Highground disturbance 117 acres (D) Total Area Disturbed: Approximately 118 acres (E) Primary Nursery Area: Yes- Howe & Pages Creeks (F Water' Classification: AIWW/Howe Creek -.SA-ORW; Pages Creek-.SA Open: AIWW.&lowerPages Creek 8. PROJECT -SUMIMARY: The applicant proposes the construction _a sewer collection system, consisting of 118,000 linear feet of gravity sewer main, 21,000 linear feet of sewer force -main, and .six (6) sewer pumping stations. 127 Cardinal Dr. Ext., Wilmington, North Carolina 28405 Telephone 910-395-3900 FAX 910-350-2004 An Equal Opportunity Af mnative Action Employer 50% recycled/10%" post-consumer paper r Hanover County/Middle Sound Page Two 9. PROJECT DESCRIPTION The Middle Sound Regional Wastewater Facilities (MSRWF) project would be located and would serve the community of Ogden. The Ogden area is located approximately four miles northeast of the City of Wilmington, bounded on the west by US Highway 17,- and on the east by the Atlantic Intracoastal Waterway (AIWW), between Pages Creek (north) and Howe Creek (south), in New Hanover County. Middle Sound Loop Road (NCSR1403) is the primary road in the Ogden area. All other roads and streets connect to the loop road for ingress and egress from US Hwy 17 (Market St.). The existing land use in the area is predominately single- family residential, with 80 percent of the existing residences located in established subdivisions. Middle Sound was included as part of Phase III in New Hanover County's County-wide Sewer Plan, as reviewed in conjunction with the original 401 Facilitie Plan (modified 1989). Included -within the proposed project corridor are several areas of "404" type wetlands, mixed "404" type/coastal wetlands, and three (3) crossings of tidal tributaries, two (2) off Pages Creek and one-(1) off the AIWW. The wetlands within the project area have been delineated and approved by the US Army Corps of Engineers. The two largest tidal areas are near Buckeye Road on the northern side of Middle Sound Loop Road and the Stoneybrook pump station site on the -east side. There are existing culverts under Middle Sound Loop Road at both locations, which convey flows to .and from Pages Creek and the AIWW, respectively. Coastal wetland vegetation includes: Black Needle Rush (Juncus roemerianus), Salt Reed Grass (SparVna zynosuroides), Salt Meadow Grass (SpaiWna patens), Salt Grass (Disdchhs spicata), and Smooth Cordgrass (Spardna alterrtiflora). Above tidal influence, the vegetation transitions to wooded swamp (404 type wetlands), including Black Gum (Nyssa sylvadca), Pond Pine (Pinus.serotina), :and Red Maple (Acer rubrum), with Common Cat tail (7ypha latifolia), Narrow leaved Cat-tail (Typha angustifolia), Bull Rush (Scirpus, :spp.), and other freshwater wetland species. Similarly, drainage from the wetland area between Dunbar Road and North Hills Drive is conveyed -to the tidal marsh adjacent to Pages Creek through an existing culvert under Dunbar Road. This drainage feature's straight alignment indicates -that., historically, it was excavated -or -channelized, possibly during the . original development of the surrounding subdivisions. .Although, there is some irregular tidal influence through the culvert in the lower reaches of the:ditch (eastend), the majority of the adjacent wetland vegetation:are freshwater species. Collectively, these three drainage features constitute the main .hydrologic corridors for stormwater run-off within the project area. . The Wilmington-New Hanover Land Use Plan classifies the wetland areas of the project site as Conservation and those areas :above the 100 year flood elevation as, Resource Protection. The Division of Water Quality classifies the waters of the :AIW W and Howe Creek, as SA-ORW (Outstanding-Resource Waters) and the waters of Pages Creek :as SA. Howe Creek and Pages Creek are designated a Primary Nursery Areas, by the Division of Marine Fisheries. Howe Creek and the upper area of Pages Creek are CLOSED to the taking of shellfish. The -remainder of :Pages Creek and the .AIW W, except for the areas :adjacent to.existing marinas, are OPEN to the taking of shellfish. Based on availible archaeological information, -there are 127 Cardinal Dr. Ezt, Wilmington, North Carolina 28405 Telephone 910-395-3900 FAX 910-350-2004 An "Equal Opportunity Affirmative Action Employer 50%o recycled/10% post-consumer paper New Hanover County/Middle Sound Page Three approximately 29 sites in the Ogden/Middle Sound Loop Road vicinity. The County proposes to install a gravity sewer and force main collection system to serve the Middle Sound residential community, which currently uses individual septic tank systems with subsurface disposal of wastewater. The project will consist of the construction of approximately 118,000 linear feet of gravity sewer line, 21,000 linear feet of pressure force main, and six (6) pumping stations. The majority of the sewer and force main-pipe system would be installed in highground, under existing pavement or adjacent road shoulders, within the right-of-ways of existing State roads and/or streets. Of the projects 139,000 linear feet of pipe, only 1,100 linear feet would be installed in delineated wetlands. In areas outside of road right-of-ways, clearing and construction would be limited to a 40-foot wide corridor, centered on the pipe installation. Typical trench dimensions would,be 6 feet in width and 6-8 feet in depth. The applicant proposes to use mechanical excavating equipment to trench, place bedding stone, bed pipe, and backfill to original grade. All excavated material would be temporarily contained by adequate sedimentation and erosion control measures. A Sedimentation and Erosion Control Plan (NH-01009) for the project has been approved by the NC Division of Land Quality. In wetland areas, the applicant states that all excavated material would be placed on adjacent upland areas to avoid double handling or stockpiling in wetlands. The project includes approximately 3 acres of high ground area, divided into in six (6) parcels, on which, the proposed pumping stations would be constructed. Pumping stations have been designed with top elevations of 1 foot higher than the 100-year flood elevation of 11 feet mean sea. level. Each fenced, pumping station would include a valve box, wet well, electrical panel, and emergency generator. Upon completion of installation, all disturbed areas would be revegetated per the approved erosion control plan. Included in this application is the specification sheet for replanting the tidal marsh area. The Division of Water Quality has issued a "State Non-discharge'Sewer Extension Permit, and a Stormwater Permit for the project. At the time of thus report, the NCDOT Encroachment Agreement was still pending. 10. ANTICIPATED ImpACTS The installation of the proposed sewer system expansion would d-result in a total land disturbance of:approximately 118 acres. It would result mi the .temporary excavation :and disturbance of-approximately 44,000 square feet (l :acre) of mixed coastal/404 wetlands and :approximately 720 :square feet -of tidal creek bottom. All.areas will be returned to 7the original grade and replanted. If construction is timed to avoid periods of peak biological :activity and conducted in strict accordance with the approved sedimentation and erosion control plan, long term impacts should be minimal. Submitted by: E. F. Brooks Date: December 19, 2000, Office: Wilmington 127 Cardinal Dr. Ext, Wilmington, North Carolina 28405 Telephone 910-395-3900 FAX-910-350-2004 An Equal Opportunity Affirmative Action Employer 50% recycled/10% post consumer paper Wetlands Tracking [ir'-, 4 01s ." Facility Name Middle Sound Regional Sewer c/o New, tLino N er County Project Number O1 0093 Project Type IntiI)mc of sewer collection system County NeN? Hanover Location %llddlc Sound. AIWW, I'tges Creek, I Ic we Creek. O'-'dcn I County2 Received From<DCM COE ID # I Region Wilmington Received Date January 23, 2001 COE Susp Date I Reg. Contact J. Steenhui Sent to Region Date 1-24-2001 I' DCM Susp Date I APPLICATION FEE INFO w. Rcvd Region Date TIP Number I Payment Date Last Action Date May 21, 2002 ?I More Info Requested 3/20/2001 I Amount Paid Last Action Hold I, More Info Received I Payor Latitude (ddmmss) I! Mitigation ? I Check # Longitude (ddmmss) I' COC Received Date _ r t Certificaf ?,. Stream A :fit 5 c4 t?J"?x acres <y' Area Length ( Length Class (acres): Permit WPfIAnd Watlanrl ?trPam z Wotlanrl _ (acrPCl 3 (fPAfl i /fnt tl s s? W AT ?9QG > r Michael F. Easley, Governor William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Gregory J. Thorpe, Ph.D. Acting Director Division of Water Quality July 19, 2002 u CERTIFIED MAIL: 7001 1940 0000 4636 0506 } RETURN RECEIPT REQUESTED ., New Hanover County Engineering Dept. WETLANDS GROUP 9 WATER UA!!TYZ,-ff10N Mr. Wyatt Blanchard 414 Chestnut Street Wilmington, NC 28401 SUBJECT: PROJECT ON HOLD FOR ADDITIONAL INFORMATION New Hanover County Middle Sound Sewer Project PROJECT # 010093 New Hanover County Dear Mr. Blanchard: Thank you for your letter dated June 10, 2002. Subsequent to consideration/review of your letter, plans, and Preconstruction Notification Request (401 Certification request), this office wishes to address both the items noted in your correspondence and several additional concerns. In the June 10, 2002 letter, James Craig states that he sees no purpose for the installation of the anti-seep collars for the Middle Sound sewer project that are required under the general conditions of GC# 3374. He states that the sewer main nor the stone bedding will divert basins or attempt to drain isolated wetlands located upland of the project. He also states that it would be hydraulically impossible for the sewer main's stone bedding to drain or alter any "waters" of the State or wetlands due to the pipe being installed in saturated soils. General Water Quality Certification 3374 condition number 16 is a requirement for the installation of anti-seepage collars. The purpose of anti-seepage devices is to stem the wetland drainage effect that has been observed by DWQ staff, subsequent to the installation of sewer lines. That is, gravity sewer lines are installed at a slope, on a gravel bed and as such enables sewer line to behave like a French-drain, thereby removing wetland hydrology. (Please note: it is the expectation of DWQ staff that anti-seepage device requirements are relatively inexpensive as compared to the requirement for wetland delineation well outside the utility line right-of-way footprint, and prevents extensive, long-term hydrologic monitoring of adjacent wetlands.) The conditions set under these General Certifications have been approved by federal agencies (Corps of Engineers and EPA) as well as the Environmental Management Commission (EMC) and if you feel that you cannot or do not want to meet with these conditions, New Hanover County may apply for a variance. The June 10, 2002, letter also requested a "general exemption" for condition number 16 (anti-seep collar requirement) during the review of all future projects where the site condition as described in your letter exists for New Hanover County. This office cannot issue "general exemptions" to 401 Water Quality Certifications Conditions for future projects. Each project is reviewed on a case-by-case basis and the option of applying for a variance is applicable for each project. Ex127 Cardinal Drive t., Wilmington, NC 28405-3845 Telephone (910) 395-3900 FAX (910) 350-2004 An Equal Opportunity Affirmative Action Employer NCDENlt Page Two Mr. Wyatt Blanchard July 19, 2002 The second item addressed by Mr. Craig concerns the requirement of General Certification # 3374 (condition #4) that states that the construction corridor for the utility line shall not be installed parallel to and closer than 10 feet (3 meters) to a stream and 25 feet in waters classified as high quality waters (HQW). Utility lines shall not cross a stream channel at other than a near- perpendicular direction (i.e., stream channel crossings shall not be at an angle of less than 75 degrees or more than 105 degrees to the stream bank). Streams typically meander and move around thereby enabling stream infrastructure/maintenance problems to chronically occur, and installations of sewer lines adjacent to the stream cause difficulties with respect.to turbidity impacts, settleable solids, and thermal pollution issues to the stream. As such, a 10-foot set back from the stream is the minimum authorized under the 401 Certification and the respective stream classifications for AIWW/Howe Creek are SA-ORW and for Pages Creek is SA. The classification SA is HQW as defined by 15A NCAC 2B.0 10 1 (e)(5). As such, a 25 feet from the stream is the minimum distance allowed for the utility lines on this project. A copy of the regulation is attached. In addition, 15A NCAC 2H.0219 (i) (2) _(G) (v), (vi), and (xii) states the following: All sewers shall be -designed based upon at the following minimum-standards which include; 1) minimum separation from Waters Classified as WS-II, WS-III, B, SA, ORW, HQW or SB (from normal high water (or tide elevation)] at 50 feet. Any other stream, lake-or. impoundment must be at least 10 feet. Furthermore, ferrous sewer pipe with joints equivalent to water main standards, shall be used where these minimum separations cannot be maintained. (Note: minimum separation shall however, not be less than 25 feet from a private well or 50 feet from a public water supply well). Please indicate whether the Middle Sound Sewer Collection System-will be able to comply with the above mentioned minimum standards. You explained in the June 10, 2002 letter that the meanders of the stream channels, existing structures, construction depth and easement concerns require the encroachments of the utility line within 10 feet of a stream and non-perpendicular stream crossings. It is recommended that you provide specific information that depicts how you have . minimized the stream impacts and avoided the streamside area. You should also provide the amount of linear stream footage impacts that will occur during the construction phase of the project and provide suggestions/proposals for stream restoration/mitigation due to the impacts that are beyond that typically approved through the use of the General Certification Please respond within three weeks of the date of this letter if you are going to comply with the conditions of the General Certification # 3374 or if you are planning to apply for a variance. Please send a copy of this letter to Cyndi Karoly, c/o 401 Wetlands Unit, 2321 Crabtree Blvd., Raleigh, NC 27604-2260. Her phone number is (919) 733 9721. If we do not hear from you within three weeks, we will assume that you no longer want to pursue this project and we will consider the project as withdrawn and your application will be returned. If you have any questions, please feel free to call me at (910) 395-3900. . Sincerely, Rick Shiver Water Quality Regional Supervisor Attachment: cc: Cyndi Karoly -Wetlands Group Danny Smith - Wetland Group Angie Pennock - US Army Corps of Engineers Dave Weaver - Assistant County Manager WiRO .?i ENR-ENVIRONMENTAL MANAGEMENT T15A: 02B.0100 (4) Outstanding Resource Waters (ORW): unique and special waters of exceptional state or national recreational or ecological significance which require special protection to maintain existing uses. (5) High Quality Waters (HQW): waters which are rated as excellent based on biological and physical/chemical characteristics through Division monitoring or special studies, native and special native trout waters (and their tributaries) designated by the Wildlife Resources Commission, primary nursery areas (PNA) designated by the Marine Fisheries Commission and other functional nursery areas designated by the Marine Fisheries Commission, all water supply watersheds which are either classified as WS-I or WS-II or those for which a formal petition for reclassification as WS-I or WS-II has been received from the appropriate local government and accepted by the Division of Water Quality and all Class SA waters. (6) Future Water Supply (FWS): waters that have been requested by a local government and adopted by the Commission as a future source for drinking, culinary , or food-processing purposes. Local government(s) requesting this reclassification shall provide to the Division evidence of intent which may include one or a combination of the following: capitol improvement plans, a Water Supply Plan as described in G.S. 143-355(1), bond - issuance for the water treatment plant or land acquisition records. Local governments shall provide a 1:24,000 scale USGS topographical map delineating the location of the intended water supply intake. Requirements for activities administered by the State of North Carolina, such as the issuance of permits for landfills, NPDES wastewater discharges, land application of residuals and road construction activities shall be effective upon reclassification for future water supply use. The requirements shall apply to the critical area and balance of the watershed or protected area as appropriate. Upon receipt of the final approval letter from the Division of Environmental Health for construction of the water treatment plant and water supply intake, the Commission shall initiate rule- making to modify the Future Water Supply supplemental classification. Local government implementation is not required until 270 days after the Commission has modified the Future Water Supply (FWS) supplemental classification through the rule- making process and notified the affected local government(s) that the appropriate local government land use requirements applicable for the water supply classifications are to be adopted, implemented and submitted to the Commission for Approval. Local governments may also adopt land use ordinances that meet - or exceed the state=s ` minimum requirements for water supply watershed protection prior to the end of the 270 day deadline. The requirements for FWS may also be-applied to waters formerly used for drinking water supply use, and currently classified for water supply use, at the request of local government(s) desiring protection of the watershed for future water supply use. (7) Unique wetland (UWL): wetlands of exceptional state or national ecological significance which require special protection to maintain existing uses. These wetlands may include wetlands that have been documented to the satisfaction of the Commission as habitat essential for the conservation of state or federally listed threatened or endangered species. (f) In determining the best usage of waters and assigning classifications of such waters, the Commission 4. shall consider the criteria specified in General Statute 143-214.1(d) and all existing uses as defined by "15A NCAC 2B .0202. In determining whether to revise a designated best usage for waters through a revision to the classifications, the Commission shall follow the requirements of 40 CFR 131.10(b),(c),(d) and (g) which are hereby incorporated by reference including any subsequent amendments and editions. This material is available for inspection at the Department of Environment, Health, and Natural Resources, Division of Water Quality, Water Quality Section, 512 North Salisbury Street, Raleigh, North Carolina. Copies may be obtained from the U.S. Government Printing Office, Superintendent of Documents, Washington, DC 20402-9325 at a cost of thirteen dollars ($13.00). 1 (g) When revising the classification of waters, the Division shall collect water quality data within the l watershed for those substances which require more stringent control than required by the existing classification. However, such sampling may be limited to only those parameters which are of concern. If the revision to classifications involves the removal of a designated use, the Division shall conduct a use attainability study as required by the provisions of 40 CFR 131.100) which are hereby incorporated by f reference including any subsequent amendments and editions. This material is available for inspection at NORTH CAROLINA ADMINISTRATIVE CODE 08/01/00 pace 3 NEW HANOVER COUNTY ENGINEERING DEPARTMENT 414 CHESTNUT STREET WILMINGTON, NORTH CAROLINA 28401-4045 TELEPHONE (910) 341-7139 WYATT E. BLANCHARD, P.E. County Engineer June 10, 2002 Joanne Steenhuis N.C. Dept. of Environment &. Natural Resources 127 Cardinal Drive Extension Wilmington, North Carolina 28405 RE: Middle Sound Sewer Collection System Project #010093 Dear Ms. Steenhuis: JUN 2 1 ? I am now in receipt of your January 21, 2002 letter requesting additional information and the placement of a hold on the referenced project. The plans were submitted to DEM as part of the CAMA permitting process in December 2000 and, .discussed in the 6/21/01 meeting with the permitting agents of the U.S. Corps of Engineers, CAMA and the Division of Water Quality. Tony Boahn, McKim &. Creed, will address all map revisions and comments on items 2 through 7 under a separate cover. This letter is to address item #I and also reinforce exemption from item #6. I see no purpose for installation of anti-seep collars along any of the proposed sewer main for the following reasons: • Neither the sewer main nor the stone bedding will divert basins or in any manner attempt to drain any isolated wetlands located upland. • The sewer main in all locations is located at an elevation from 1.3 above to 4.5 feet below the MLW elevation (approximately -13 elevation). Therefore it would be hydraulically impossible for the sewer main's stone bedding to drain or alter any waters of the State or wetlands in Page Two the area after completion of the installation considering the soil in which the pipe is installed is totally saturated. • The placement of anti-seep collars may more likely create a hydraulic jump in any movement of the ground water within the stone bedding or backfill and cause possible multiple "fresh" water artesians seeps into the manmade tidal and brackish waters of the State. In this case, promoting what General Certification #3374 intends to alleviate, lessen or prevent from occurring by the requirement of anti-seep collars. The intent of the collar is to prevent or lessen subsurface drainage of the water table. However, when the installation is at an elevation below the water table or below MLW in fully saturated soil I do not see the collar serving any purpose. I can understand the use of the anti-seep collar when it may prevent the subsurface drainage in wet areas adjacent to streams or ditches at higher elevations within the State or above the water table. I see no purpose, other than the requirement of condition # 16, for the installation of anti-seep collars at and below sea level where no basin or subbasin will be drained or otherwise diverted by sewer system construction. This sewer system is designed as to not cross any subbasin in the project area, thereby; being the most efficient design and least expensive to the taxpayer. I would expect to be exempted from the requirement of installing any collars on the project and would further request a general exemption be considered during the review in all future projects where the site conditions as outlined above exist. I suggest leeway be allowed in the same manner exemptions are implied to be allowed to condition #4 or as more stringent measures may be required as needed (condition #23). I ask reasonable consideration be given to my request or "if not, explain why" I will surely be confused if the regulations are so rigid that they promote unnecessary cost and potential damage to the environment solely for the sake of regulations. Furthermore, Item #6 (Condition 4) cannot or should not be met because of the following reasons: • The submitted logical engineering design considered many natural and man-made obstacles in the placement of this sewer main and all considered, the proposed alignment is the best of all available routes to serve the project area with sanitary sewer at a minimal cost, depth, Page Three intrusion, damage, and encroachment to the District, the property owners, the State, and the environment. • The meandering of the channel, existing structures and easement concerns require the encroachment of the excavation within 10 feet of the stream and the non-perpendicular stream crossings. • Any other placement location would deepen the excavation, thus widen the disturbed area by the topography, thereby, lengthening construction time and exposing more denuded area to potential erosion and excessive turbidity. The location, as planned, will allow the contractor to minimize the disturbance to the area and the environment by facilitating shallower excavations and quicker installation time. In closing, I request exemption from both conditions #4 and # 16 of WQC #3374. I further request a more prompt review and reply upon receipt of our complete response to your items. In addition, I petition no hold be placed on the entire project considering only a small portion is affected by the items of concern outlined in your letter. If you have any questions, please don't hesitate to contact me. Sincerely, James S. Craig, P.E. Engineering Manager New Hanover County cc: Wyatt E. Blanchard, P.E. Tony Boahn, McI<im &. Creed Cyndi I(aroly JSC/aj RU6.19.2002 11:06RM NUDLNK W1KU NU.618 P.1 State of North Carolina Department of Environment and Natural Resources "Wilmington Regional Office Michael F. Easley, Governor William Cr. Ross Jr., Secretary FAX COVER SHEET Date: N o Z., No. Of Pa ges: To. CO: From: ?. CO: FAX k-Mot -- 33 - &9 9 FAX#: 91 SO-2 Oq REMARKS: 127 Cardinal Drive Lxtension. WhinPngton,N.C. 28405.3845 Telephone (910) 395.3900 Fax (910) 350-2004 ? AnlryualOpportunityAllirmaliveAWanEmployer -AUG.19.2002 11:06AM NCDENR WIRO State of North Carolina Department of Environment and Natural Resources Division of Water Quality James B, Hunt, Jr„ governor o-fAJt3LUiit1, Bill Holman, Secretary Kerr T. Stevens, Director 13Y. August 28, 2000 W YATT BLANCEOJ), FE, COUNTY ENCYINM NEW HANOVER COrxrITY 414 CIBESTNUT STREET WILMINGTON, NC 27401 NO.618 -- F. e - ;rte :?V NCDENR NQRrH CAROLINA QEPAIRTMl;NT OF ENVIRONMENT ANo NATURAL RWLJRCE8 Subject: Permit No. WQ0018725 Now Hanover County Middle Sound Regional Wastewater Facilities Wastewater Collection System Extension Dear 1W. Blanchard: New Hanover County In accordance with your application received July 3, 2000, we are forwarding herewith Permit No. WQ0018725, dated August 28, 2000, to New Hanover County for the const ilgtion of the subject wastewater collection system extension. This permit shall be effective from the date of issuance until rescinded and shall be subject to the Conditions and limitations as specified therein. This cover letter shall be considered a part of this permit and is therefore incorporated therein by reference. Please pay particular attention to Permit Condition 2, which requires that the wastewater collection facilities be properly operated and maintained in accordance with 15A NCAC 211 .0227 or any individual system-wide collection system permit issued to the Perxnittee. please note permit Condition 12 regarding future flow allocation to the subject wastewater collection system. Permitting of this project does not constitute an acceptance of any part of the project that does not meet 15A NCAC 2H .0200; the Division of Water Quality's (Division) Gravity Sewer Minimum Design Criteria adopted February 12, 1996 as applicable; and the Division's Minimum Design Criteria for the Past-Track Permitting of Pump Stations and Force gains adapted June 1, 2000 as applicable, unless specifically mentioned herein. Division approval is based on acceptance "of the certification provided by a North Carolina-licensed Professional Engineer in the application. It shall be the Permittee's responsibility to ensure that the as-constructed project meets the appropriate design criteria and rules. Failure to comply may result in penalties in accordance with North Carolina General Statute §f43-215.6A through §143-215.60, construction of additional or replacement wastewater collection facilities, and/or referral of the North Carolina-licensed Professional Engineer to the licensing board. Jn accordance with the provisions of Article 21 of Chapter 143, General Statutes of North Carolina as amended, and other applicable Laws, Mules, and Regulations, permission is hereby granted to New Hanover County for the construction of approximately $0,990 linear feet of 8-inch gravity sewer, 27,520 linear feet of 10-inch gravity sewer, and 9,110 linear feet of 12-inch gravity sewer; a 1,070- gallon per minute pump station (No.l Buckeye) equipped with a hydrogen peroxide-based odor control system, a 390-gallon per minute pump station (No.2 Falcon Point), a 230-gallon per minute um station (No.3 Stoneybrook), a 200-gallon per minute pump station (No.4 Caudell), a 180-gallon per 1617 Mail Service Center, Fialsigh, North Carolina 27699-1617 Telephone (919) 733.5083 FAX (919) 715.6048 An Equal Opportunity Afflrmatlve Action Employer 50% recycled/ 10% post-consumar paper AUG. 19.2002g p 1 1,l ? AiStioriN(No. 5 Pages Creek) and a 200-gallon -NO. blti r. ?-- .._. . Drive), all equipped with duplex pumps, on site and audible highpwa er alarms pump station minute (No , ,6 Denise telemetry, - actf stand-by power generator, as well as approximately 11,684 linear feet of 6-inch focet'main 2,340 linear feet of 8-inch force main, and 6,575 linear feet of 12-inch force main to serve as art of the Middle Sound Regional Wastewater Facilities project, with no dischar A p ' wastewater into the City of Wilmin of collected domestic July 3, 2404, and in conformity w? IS,AX NCAC sewerage 2H0200 the Division's to the application received Design Criteria adopted February 12, 1996 as applicable, the Division's Minimum Design Criteria for the Fast-Track Permitting of Pomp Stations and Force Mains adopted June 1, and other supporting data subsequently filed and approved by the Department of 2000 Environment apPlicd Na Resources and considered a part of this permit. and Na tural The sewage and wastewater collected by this system shall be treated in the City of Wilmington Wastewater Treatment Facility (NPDES Permit No. NC0023965) prior to being discharged into the receiving stream. This Permit Shall become voidable unless the agreement between New-Hanover County and the City of Wilmington for the collection and final treatment of wastewater is in full force and effect A stormwater management plan shall be submitted to and approved by the Wilmington Regional Off ce in accordance with 15A NCAC 2H.1000. J nee add tional information concerning this matter, (919) 733-5083 extension 524. ase contact Kristin E. Miguel at If any parts, requirements, or limitations contained in this e right to request an adjudicatory hearing upon written request within 30 daysf flowing receipt of this Pent. This request must be in the form of a written petition, conforming to Chapter 150$ of North Carolina General Statutes, and filed with the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, NC 27699-6714. Unless such demands are made this permit shall be final and binding, K ou d W Y, T. Stevens cc: New Hanover County Health Department Wilmington Regional Office, Water Quality Section (WWTF MclCira & Creed Permit No, NC0023965) •AUG.19.2002 11:06AM NCDENR WIRO NV•b1a r' ?--- - NORTH CAROLINA ENVIRONMENTAL MANAGI&MMN'T COMMISSION DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES RALIKIGH N WASTEWATER COLLECTION SYSTEM EXTENSION PERMIT This permit shall be effective from the elate of issuance until rescinded and shall be subject to the following specked conditions and limitations: 1. This permit shall become voidable unless the wastewater collection facilities are constructed in accordance with the conditions of this permit; 15A NCAC 2H .0200; the Division of Water Quality's (Division) Gravity Sewer Minimum Design Criteria adopted' February 12, 1996 as applicable; the Division's Minimum Design Criteria for the Fast?Track Permitting of Pump Stations and farce Mains adopted June 1, 2000 as applicable; and other supporting materials unless specifically mentioned herein. 2. This permit shall be effective only with respect to the nature and volume of wastes described in the application and other supporting data. 3. The wastewater collection facilities shall be properly maintained and operated at all times, The Permittee shall maintain compliance with an individual system-wide collection system permit for the operation and maintenance of these facilities or with 15A NCAC 2H.0227 as follows: a. The sewer system shall be effectively- maintained and operated at all tunes to prevent.disebarge to land or surface waters, and any contravention of the groundwater standards in 15A NCAC 2L.0200 or the surface water standards in 15A NCAC 213.0200. b. A map of the sewer system shall be developed prior to January 1. 2004 and shall be actively maintained. - c. An operation and maintenance plan shall be developed and implemented. d. Pump stations that arc not connected to a telemetry system shall be inspected at least three times per week until July 1, 2000; thereafter, pump stations shall be inspected at least daily, as defined in 15A NCAC 2B .0503(5), until July 1, 2001; and thereafter, pump stations shall be inspected every day. Bump stations that are connected to a telemetry system shall be inspected at least once per week. e. High-priority, sewer lines shall be inspected at least once per every six-month period of time. f. A general observation of the entire sewer system shall be conducted at least once per year. g. Inspection and maintenance records shall be maintained for a period of at least three years. h. Overflows and bypasses shall be reported to the appropriate Division regional office in accordance with 15A NCAC 2B .0506(a), and public notice shall be provided as required by North Carolina General Statute §143-21$.1C. AUG.19.2002 11:07AM NCDENR WIRO N0.618 P.5 "' -- - 4. This permit shall not be transferable. In the event there is a desire for the wastewater collection facilities to change ownership, or there is a name change of the Permitter., a formal permit request shalt be submitted to the Division accompanied by documentation from the parties involved, and other supporting materials as may be appropriate. The approval of this request shall be considered on its merits and may or may not be approved. 5. Construction of the gravity sewers shall be scheduled so as not to interrupt service by the existing utilities nor result in an overflow or bypass discharge of wastewater to the surface wags of the State. - 6. Upon completion of construction and prior to operation of these permitted faciliti es, a certification, a copy of the construction record drawings, as well as supporting design calculations for any ump stations permitted as part of this project shall be received from a North Carolina-liZed Professional Engineer certifying that the facilities have been installed in accordance with this permit; the certificate of coverage; 15A NCAC 2H ,0200; the Division's Gravity Sewer Design Criteria adopted February 12, 1996 as applicable; the Division's Minimum Design Criteria for the Fast-Track Permitting of Pump Station and Force Main adopted June 1,-2000 as applicable; and other supporting materials. If this project is to be completed in phases and partially certified, you shall retain the responsibility to track further construction approved under the same permit, and shall provide a final certificate of completion once the entire project has been completed. A copy of the construction record drawings, indicating the facilities constructed in the phase being certified, shalt be submitted with each partial certification, Mail the Engineer's Certification, one copy of the "Construction Record Drawings", and one copy of the supporting design calculations to the Non- Discharge Permitting Unit;' 1617 Mail Service Center, Raleigh, NC 27699-1617. 7. A copy of the construction record drawings shall be maintained on file by the Permittee for the life of the wastewater collection facilities. 8. Failure to abide by the conditions and limitations contained in this permit., the certificate of coverage; 15A NCAC 2H .0200; the Division's Gravity Sewer Design Criteria adopted February 12, 1996 as applicable; the Division's Minimum Design Criteria for the Past-Track Permitting of Pump Station and Force Mains adopted June 1, 2000 as applicable; and other supporting materials may subject the Peradttee to an enforcement action by the Division, in accordance with North Carolina General Statutes §143-215.6A through §143-215.6C. 9_ In the event that the wastewater collection facilities fail to perform satisfactorily, including the creation of nuisance conditions, the Permittee shall take immediate corrective action, including those as may be required by this Division, such as the construction of additional or replacement facilities. 14. The issuance of this permit shall not exempt the Permittee from complying with any and all statutes, rules, regulations, or ordinances that may be imposed by other government agencies (local, state and federal) which have jurisdiction, including but not limited to applicable river buffer rules in 15A NCAC 2l3 ,0200, erosion and sedimentation control requirements in 15A NCAC Ch. 4 and under the Division's General Permit NCGO100000, and any requirements pertaining to wetlands under 15A NCAC 213 .0200 and 15A NCAC 2H.0500. 11. Noncompliance Notification: The Permittee shall report by telephone to the Wilmington regional office, telephone number (910) 395-3900, as soon as possible, but in no case more than 24 hours 'or on the next working day, following the occurrence or first knowledge of the occurrence of either of the following- 2 ,, AUG.19.2002 11:07AM NCDENR WIRO NO.b1b r.b a, Any process unit failure, due to known or unknown reasons, that renders the facility incapable of adequate wastewater transport, such as mechanical or electrical failures of pumps, line blockage or breakage, etc.; or b. Any failure of a pumping station or Sewer line resulting in a by-pass directly to receiving waters without treatment of all or any portion of the influent to such station or facility, Persons reporting such occurrences by telephone shall also file a written report in letter foan within five days following first knowledge of the occurrence. This report must outline the actions taken or proposed to be taken to ensure that the problem does not recur. 12. This permit shall be for the construction of the wastewater collection facilities only. No flow shall be made tributary to the subject facilities until permit modification application is submitted With the appropriate fee), a modified permit is issued, and the Engineer's Certification is received and approved by the Division. Permit issued this,*e twenty-eighth day of August, 2000 NOR CARD /A. ONMENTAL MANAGEMENT COMI HSSION /-- err T. Stevens, Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number WOOOIS726 3 4_1June 12, 2002 M&C 00494-0017 (40) Ms. Joanne Steenhuis NCDENR - Division of Water Quality . ) 127 Cardinal Drive Extension Wilmington, North Carolina 28405-3845 t? RE: New Hanover County Middle Sound Regional Wastewater Facilii 1W1t1v DWQ Project # 010093 Dear Ms. Steenhuis: In reference to your review letter, dated January 21, 2002 (received May 22, 2002), we offer the following comments: 1) This issue will be addressed under separate cover by the New Hanover County Engineering Department. 2) The rip-rap shown on Sheet P60 at the end of Dunn Place Extension has been revised to reflect the correct amount. Note that we have revised all rip-rap crossings to comply with condition #9 of the WQC #3374 that was provided: For clarity, the rip-rap symbol has been removed from the plan-view and included in the profile only. 3) The amount of rip-rap shown at the new perpendicular crossing of Dunbar Creek has been corrected. 4) There is a crossing of Dunbar Creek at the end of Dunn Place Extension. The plans (Sheet P62) have been revised to reflect this crossing. 5) The length of stream impacts are as follows: Dunbar Creek Plan Sheet Description Station ft Length P60 Ditch draining to Dunbar Creek 2+00 20 P60 Dunbar Creek 5+00 to 9+10 410 P61 Dunbar Creek 10+75 to 14+50 375 P61 Dunbar Creek 15+40 to 24+00 860 Total Impact 1,665 feet Creek South of Stonevbrook Subdivision Plan Sheet Description Station Length (ft) P87A Crossing of Creek Outfall G 21+15 7 P87A Crossing of Creek Outfall G2 4+26 35 P88 Crossing of Creek Outfall F 11+70 15 Total Impact 57 feet S:\04940017\40-Permit\061102steenhuis.doc 5625 DILLARD DR., SUITE 117, CARY, NORTH CAROLINA 27511 TEL 919.233.8091 FAx 919.233.8031 www.mcklmcreed.com AA0002667 Ms. Joanne Steenhuis June 12, 2002 Page 2 Drainam Canals Plan Sheet Description Station Length (ft) S5 Access Road - 30" RCP. Pie 4+62 50 S5 Access Road - 30" RCP Pie 6+80 50 Total Impact 100 feet 6) With the exception of the following, the utility lines designed for this project comply with Condition #4 of the WQC # 3374. Construction corridors have been established to maintain 10' horizontal separation between streams. Crossings of stream channels have been made perpendicular when possible and limited to the 75 to 105 degree range if deviation was required. Plan Sheet P60 .through P61 - Station 5+50 to Station 24+00 Given the natural topography of the area, it is necessary that the main gravity collection line for this portion of the project be installed generally parallel to the run of Dunbar Creek. In our field design of this area, it was determined that a significant amount of development was present on each side of the creek. This included such structures as houses, garages, a community well, a pool, and numerous storage buildings. Many of these structures are within approximately 10-15 feet of the stream bank. The route of the new gravity main was designed in order to avoid damage to these structures as well as maintain the required 50-foot separation from the community well. Subsequently, we were unable to maintain the limits dictated by Condition #4 in this area. 7) By copy of this letter I am providing a one set each of the revised plans to you and Cyndi Karoly as requested. If you have any questions or require clarification, please do not hesitate to contact me. Thank you. Sincerely, McKIM & CREED, P.A. Tony Boahn, P.E. Project Manager Enclosures cc: Cyndi Karoly (complete) Jim Craig, P.E., New Hanover County S: \0494\0017 W 0-Penn ifl061102steen hu i s. doc v v?MCKM&CR EED F W ATF Michael F. Easley, Governor `OHO 'Yp William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources 7 Gregory J. Thorpe, Ph.D. > _ l Acting Director p Division of Water Quality January 21, 2002 CERTIFIED MAIL: 70011940 0007 1402 3856 RETURN RECEIPT REQUESTED New Hanover County Engineering Dept. Mr. Wyatt Blanchard 414 Chestnut Street Wilmington, NC 28401 SUBJECT: PROJECT ON HOLD FOR ADDITIONAL INFORMATION Middle Sound Sewer Project PROJECT # 010093 New Hanover County Dear Mr. Blanchard: ' This Office is placing your project on hold until we receive the following additional information: 1) A set of engineering plans and details that show anti-seep collars in wetlands where required (see condition #16 on the WQC # 3374 that is enclosed) 2) Correct the drawing that shows rip rap in stream at previous crossing (P60 at the end of Dunn Place Extension) 3) Correct the amount of rip rap on drawing at the new perpendicular crossing on Dunbar Creek (Same rip rap is shown on plan as previous crossing impact length) 4) Is there a second crossing of Dunbar Creek at the end of Dunn Place Extension? The plan shows a crossing, but no other details are shown. 5) Length of stream impacts need to be specified for the Division of Water Quality (DWQ) (any cumulative impacts to a stream over 150 feet will require mitigation by DWQ) 6) Detail that condition # 4 on the WQC # 3374 will be met along the creeks within the project area and if not explain why; 7) Please send a complete set of plans to this Office when the changes have been made and a copy to Cyndi Karoly at the 401 Wetlands Unit at 2321 Crabtree Blvd., Raleigh, NC 27604- 2260. Please respond within three weeks of the date of this letter by sending a copy of the information to myself and to Cyndi Karoly, Raleigh Wetlands Unit (919) 733 9721. If we do not hear from you within three weeks, we will assume that you no longer want to pursue this project and we will consider the project as withdrawn. If you have any questions, please feel free to call me at (910) 395-3900. Sincerely, Joanne Steenhuis Environmental Specialist III cc: Cyndi Karoly -Wetlands Group Anthony Boahn - McKim and Creed Engineers NCDENI-k Ex127 Cardinal Drive t., Wilmington, NC 28405-3845 Telephone (910) 395-3900 FAX (910) 350-2004 An Equal Opportunity Affirmative Action Employer O?O? a rF,? March 19, 2001 DWQ Project # 010093 New Hanover County CERTIFIED MAIL-RETURN RECEIPT REQUESTED New Hanover County Middle Sound Regional Sewer Attention Wyatt Blanchard 414 Chestnut Street Wilmington, NC 28401 Dear Mr. Blanchard: The Division of Water Quality has reviewed your plans for the discharge of fill material into 1.01 acres of wetlands located at Middle Sound in New Hanover County for sewer collection system construction. Based on this review, we have identified significant uses, which would be removed or degraded by this project as you described in your application received on January 23, 2001. Insufficient evidence is present in our files to conclude that your project must be built as planned in waters and/or wetlands in accordance with 15A NCAC 2H .0506. Therefore, unless modifications of the proposal are made as described below, we will have to move toward denial of your 401 Certification as required by 15A NCAC 2H .0507(e) and will place this project on hold as incomplete until we receive this additional information, we are requesting (by copy of this letter) that the U.S. Army Corps of Engineers place your project on administrative hold. Please provide us with information supporting your position that states your project must be constructed as planned and that you have no practicable alternative to placing fill in these waters and/or wetlands. Also please specifically address alternative routes for the utility line located near 5lat Orick Court. Further your plans currently indicate that class 1 riprap will be placed on the entire disturbed where the utility line crosses a stream. The placement of riprap on the stream bed is conside d fill. Please clearly provide information which details the avoidance at this impact on provie al ernatives for consideration. Any documentation such as maps and narrative that you can su ply to address alternative designs for your project may be helpful in our review of your 401 Ce ification. Please respo within three weeks of the date of this letter by sending a copy of this information to me and ne copy to Ms. Joanne Steenhuis, Wilmington Regional Office at (910) 395-3900. If we do not hear from you in three weeks, we will assume that you no longer want to pursue this project an we will consider the project as withdrawn. I can be reached at 919-733- 9646 if you have any q estions. 0JYT0' Sincerely, John R. Dorney cc: Wilmington DWQ Regional Office Wilmington Office Corps of Engineers Central Files File Copy Michael F. Easley Governor Sherri Evans-Stanton, Acting Secretary Department of Environment and Natural Resources Kerr T. Stevens Division of Water Quality (/ Division of Water Quality 1621 Mail Service Center Raleigh, NC 27699-1621 Wetlands/401 Unit: (919) 733-1786 Fax: (919) 733-9959 MEMORANDUM TO: John Dorney Non-Discharge Branch SUBJECT: WETLAND STAFF REPORT AND RECOMMEN Facility Name Middle Sound Regional Sewer c/o New Hanover Project Number 01 0093 Recvd From DCM Received Date 1/23/01 Recvd By Region Project Type sewer collection system Certificates Stream Permit Wetland Wetland Wetland Stream Class Type Type impact Score Index Prim. supp. Basin Re ? P?Jl 1 U v Acres Feet - -- Req. Req. 18-87 SA ORW 30.624. 1.01 F_ F LAMA SMO Y O N Mitigation Wetland MitigationType Type Acres Feet Is Wetland Rating Sheet Attached? Q Y Q N Did you request more info? Q Y O N Have Project Changes/Conditions Been Discussed With Applicant? Q Y O N Is Mitigation required? Q Y O N Recommendation: Q Issue O Issue/fond QQ Deny Provided by Region: Latitude (ddmmss) Longitude (ddmmss) Comments: This office is concerned about avoidance issues w/in the project area. This office feels that a lot of wetland impacts could he avoided near the salt brick court area. If alternate routes were looked at. In addition this office is concerned with the repranping of streams - this is considered an impact to streams (not a temporary pact). Directional boring may need to be considered for the creek crossings_ Additional information is needed to justi the crossing of wetlands neart salt brick court and the stream crossings. cc: Regional Office Central Office Page Number 1 State of North Carolina Department of Environment and Natural Resources Wilmington Regional Office Division of Coastal Management Michael F. Easley, Governor Sherri Evans-Stanton, Acting Secretary Donna D. Moffitt, Director 1 • .1.?. vNCDENVI NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES January 19, 2001 MEMORANDUM: 2 3 20 TO: Mr. John R. Dorney, NCDENR- ,.-P.,,, 'd??-s L`'1"sT G'2011P Division of Water Quality wu, tF '??I s 1° gCTIOM1I 4401 Reedy Creek Road Raleigh, NC 27611-7687 FROM: Doug Huggett 0 o093: Major Permits Processing Coordinator SUBJECT: CAMA/DREDGE & FILL Permit Application Review Applicant: New Hanover County Project Location: Ogden area of Middle Sound, between US Hwy 17 & AIWW Proposed Project: the construction of a sewer collection system, consisting of 118,000 linear feet of gravity sewer main, 21,000 linear feet of sewer force main, and six (6) sewer pumping stations Please indicate below your agency's position or viewpoint on the proposed project and return this form by February 13, 2001. If you have any questions regarding the proposed project, please contact Ed Brooks at extension 395-3900. When appropriate, in-depth comments with supporting data is requested. REPLY: This agency has no objection to the project as proposed. This agency has no comment on the proposed project. This agency approves of the project only if the recommended changes are incorporated. See attached. This agency objects to the project for reasons described in the attached comments. SIGNED DATE 127 Cardinal Dr. Ext., Wilmington, North Carolina 28405 Telephone 910-395-3900 FAX 910-350-2004 Form DCM-MP-1" APPLICA 77 1 LAI. it i v uI ISEDN OF (To be completed by all applicai&?ASTAL MANAGEMENT 1. APPLICANT a. Landowner: Name New Hanover County Address _ 41.4 GheG?Tut Street City _ Wilmington State- NC Zip 28401 Day Mite 91)0-341-7139 FaX._- 910-341-4035 b. Authorized Agent: Name Watt E Blanchard P E Address Same as "a" :above City State Zip Day Phone Pax c. Project mame ''(if any) Middle-Sound Regional Wastewater Facilities :d. NOT.- Pernrt,will be.ismed.in name o . f landowner(s), .mid/or project name. 2. LOCATION OF PROPOSED PROJECT a. County, New Hanover b. City, town, community or landmark c. Street address or secondary road number ?R 140 M; ddl a So and 7 nop Road d. Is proposed work within city `limits or planning jurisdiction? Yes g No e. Name of body of water nearest project (8,g. river, creek, sound, :bay) l4314 Sound Intracoastal Waterway 3. DESCRIPTION AND PLANNED USE sOF PROPOSEDPROJECT a. List all :development activities you propose (e.g. :buildings home, motel, marina, bulkhead, pier, and -:excavation ,and/or filling activities. 'flantit rE;Sewer Mains Sewer Force :Mains .Sewer -:Pumping ;Stations b. Is the proposed .activity maintenance of an -existing project, :new work, -or both? New c. Will theprajectbe:forpublic,privateor:commercial .use? Public '-Give a brief description of purpose,mse, wethods of -.construction and :daily .,operations :of proposed project. If more space is :needed, please :attach -additional pages. .Proj .Project will provide sanitary sewer service to -,residents in the Middle Sound _Communi-ty-. Construction -will .:be via open trenc constructlon- Maintenance -will be -required Tarr the -pump stations and sewer .mains on a zegular basis The system - -'L-U be primarsly :self :sufficient on a -daily . asis. 'Revised 03195 Form DCM-MP-1 4. LAND AND WATER :-:Degcribe existing wastewater treatment facilities. t A i.es elents are currently on private CHARACTERISTICS indi6dua1 septic tanks. 0 a. Size of entire tract N/A Located in DOT R/W bscribe location and type of discharges to waters of the state. (For example, surface runoff, sanitary b. Size of individual lot(s) N/A wastewater, industrial/commercial effluent, _ "wash down" and residential discharges.) c. Approximate elevation of tract above f&M or Siirfarp runnff frnm r_P_gidA t • 1 arpac: NWL u7A d. Soil type(s) and texture(s) of tract N/A e. Vegetation on tract N/A Clpared R/W .. f. Man-made features now on tract Road /Asphal t g. `What is the CAMA Land Use Plan land classification of the site? (consult the ioazl land use plan.) Conservation Transitional . X Developed Community Rural Other- t.- How _is the tract zoned by local government? Residential L Is theproposed project -consistent with:theapplicable zoning? . X Yes 'No (AWch Zoning compliance cemfiaue, i, f applicable) o. Describe existing drinking water supply source. The major' v of residents Utilize Private individual wells. There are several small private water systems as well :5. ADDITIONAL INFORMATION In addition to the completed application form, the following items must be submitted: A copy of the deed (with state application only) or other instrument under which the applicant claims :tide _to 'the affected properties. If the ;applicant is not claiming to be the owner of said property, then :forward :a copy of the deed or other instrument under which the owner claims tide, plus written permission from the owner to cant' out the project. a. Has a professional : archaeological assessment been done for-the tract? Yes x No If.yes, by :whom? k. Is the project :located in a National Registered :Historic 'District _or does it ;involve a National Register listed or.elgible;property? Yes R No 1. ° .Are there -wetlands on-the site? Y Yes No 'Coastal '(marsh) ,x Other. If yes, :has a delineation been -conducted? Yes (Attach doa me?9&adon, : f a?2ilabk) An accurate, dated work plat (including plan view and cross-sectional drawings) drawn -to :scale in 'black ink on an i8 1/2" ,by 11" t white paper. (Refer to Coastal Resources Commission Rule 7J,0203 for a detailed description.) Please note that original drawings are preferred and only high quality copies will be :accepted. Blue-line prints or other larger plats are acceptable only if an adequate number of quality copies are provided by applicant. (Contact the -U S_ Army Corps of Engineers :regarding that agency's use :of, larger .drawings.) A site or location map is a part of ;plat requirements and it must Abe sufficiently detailed to guide agency personnel unfamiliar-with the:area to the Revised 03/95 Form DCM-MP-1 site. Include highway or secondary road (SR) numbers, landmarks, and the like. • A Stormwater Certification, if one is necessary. • A list of the names and complete addresses of the adjacent waterfront (riparian) landowners and signed return receipts as proof that such owners have received a copy of the application and plats by certified mail. Such landowners must be advised that they have 30 days in which to submit comments on the proposed _project to the Division of Coastal Management. Upon signing this form, the applicant further certifies that such notice has been provided. Name See attached list Address Phone Name Address Phone .Name Address Phone • A `list of previous state or federal :permits issued for work on :the project tract. Include permit numbers, permittee, and issuing dates. None as of CAHA-application date • A check'for:5250 made payableto the Department of Environment, 'Health, and Natural Resources (DEHNR) to cover the costs -of processing the application. • A signed AEC hazard notice for projects in oceanfront and inlet-areas. • statement of compliance with the N.C. :Environmental Policy Act (N.C.G.S. -113A 1 to 10) If the project involves .the expenditure of public :funds or use of public lands, attach a statement documenting compliance with the North Carolina Environmental -policy Act. Q C Eq V DEC 18 2001 j UIVJOJU 6. CE?A?SION TO ENTER ON LAND I understand that any permit - issued in response to this application will allow only the development described in the application. The project will be subject to conditions and restrictions contained in the permit. I certify that to the best of my knowledge, the proposed activity complies with the State of North 'Carolina's approved Coastal Management Program and will be conducted in a manner consistent with such program. I certify that I am authorized to grant, and do in fact, grant permission to representatives of state and federal review agencies to enter on the aforementioned lands in connection with evaluating information related to this permit application and follow-up monitoring of the project. I further certify -that the information provided in this application is truthful to the best of my knowledge. This is the _day of -L d? Print Name Wyatt :E; "Blanchard County Ezz:jt2 Signature /.I), Lan? or Authorked Ague :Please indicate attachments pertaining.to your -proposed project. DCM'MP-2 Excavation and Fill 'Information DCM MP-3 Upland Development DCM MP-4 -Structures Information DCM MP-5 .Bridges .and Culverts DCM:MP-6 Marina Development NOTE: -Please sign and date each attachment :in the space provided at the bottom of each, for?n. Qp.?;?a naioa 'Form I ML-M-Mp 2 EXCAVATION AND FILL (Except bridges and culverts) Attach this form to joint Application for CAMA Major. Permit, Form DC - -1. Be sure ao complete all other sections of the proposed project- Joint Application that relate to this Descriibe :below the purpose of proposed -cx=vation or fill activities. AH-TWues to be given In feet. Average Tend Length WIdtL Access channel (MT-W) or (NW] Canal Boat basin :Boat ramp .Rack . groin Rock -breakwater *Sanitary Sewer Q er atabiliz f ) Pump -Station 41 Pump Station 42 Pump Station #3 Pump :Station 4/4 Pump Station 45 Pump Station #6 '.S #5 :ARc ess RM d 1050' 50' 2' 4' D ECEIVE DEC 18 2000 DIVISION OF COASTALMANAGEMENT 1. Eg 7AVATION $- Amount of material to be :excavated from below MHW or;NWL in cubic yards 26 , 600 Cy b. Type.of-material -to be excavated soil Topsoil, Cla :Sand., 'Marl c. Does the area t0 be excavated include coastal wetlands '(marsh), -=bmerged °aquatic vegetation (SAVs) or .other -x+etlands? - Yes - No `d. Bighground excav*ion in cubic 199 yards 000 CY 2. DMBPOSAL OF LXCAVA3'ED ALAT ERIAL ;a. Location of:disposai:area_Ad=i acent -to trench used for main -installation. Teen Lrai_T Will .be placed pack :to :original condit of .:b. Dimensions of-disposal pica7ly 20' M,501. - =wi11 move with c c. Poo 3MU Zlaim titlexo=disposa wea? Tes =No 'If no, attach :a. etter granting Permission from-the OWner. Area 'to 'be granted by easement negotiations are on-going.. A, -Will ra :disposal area -be =avatiable :for future maintenance? Yes .1 No .yes, -When e? 95' 95, 3, 6, 65' 65' 11 , 2' 65, 65' 2' 4-, 75' 75' :3' 75' 75' 1' 2, ForiK-MP 2 `e. 'Does the disposal; area -include any coastal wetlands (marsh), SAVs or other wetlands? % Yes_ No :.:Temporary f Does the disposal include any area in the water? Yes ' x No 3. SHORELINE STABILIZATION N/A a. Type of shoreline stabilization Bulkhead Riprap b. Length c. Average distance waterward of MHW or NWL d. Maximum distance waterward of MHW or NWL e. Shoreline erosion during preceding 12 months (Bounce of infonmtion) f. Type of bulkhead or riprap material g. Amount of fill in cubic yards to be placed below water level 0) Mpmp {2) Bulkhead 'backfill h. Type of fill material i. `Source of fill -material 4. OTHER FILL ACTIVITIES (Excluding Shoreline Stabilization) a. Will fill :material -be brouisite? Yes _ R No ' If yes, (1) Amount of material to be placed in 'the water (2) Dimensions of fill area (3) Purpose of fill b. Will fill material be placed in coastal wetlands (marsh), SAW or other wetlands? Yes = No If Yes, (1) Dimensions of fill area (2) Purpose of fill S. GENERAL a. How will excavated or fill material be kept on site and erosion controlled? Defined construction limits - silt fence, check dams - standard erosion control methods will be utilized throughout project. b. What type of construction equipment will be -used (for example, dragline, backhoe, or hydraulic dredge)? Backhoe c. Will wetlands be crossed in 'transporting equipment to project ite? Yes. X No H yes, ;explain 'steps Ghat will be taken -to ;lessen environmental :impacts. New Hanover County Ap Pnijill Name Date Revised 03/95 Form DCM-MP-3 UPLAND DEVELOPMENT ?e ?i 1C?? 1? .ICS DEC 18 2AOp D COASTgL'M NAGEMENT (Construction and/or land disturbing activities) Attach this form to Joint Application for CAMA Major Permit, Form DCM-MP-1. Be sure to complete all other sections of the Joint Application that relate to this proposed project. a. Type and number of buildings, facilities, units or structures proposed 5 - Sanitary Sewer Pumping Stations and 1 - Access Road b. Number of lots or parcels 5 C. Density (give the number of residential units and the units per acre) N/A - Parcels will be used for public utility only. d. Size of area to be graded, filled or disturbed including roads, ditches, etc. 3.0 acres e. If -the -proposed project will disturb more than one acre of land, the Division of Land Resources must receive an erosion and sedimentation control plan at least 30 days before land disturbing activity begins. If applicable, has a sedimentation and -erosion control,plan `been submitted to the Division of-Land Resources? X -Yes No If yes, date-submitted -June 2000 Approved August 28, 2000 f. List the materials (such as marl, paver stone, asphalt, or concrete) to be used for paved surfaces. Gravel/Marl g. Give the percentage of the tract within "75 feet of MHW or NWL, or within .575 feet`in-.the.case of an Outstanding Resource Water, to be covered by impervious and/or built-upon surfaces, such :as pavement, buildings, -rooftops, or to be used for vehicular driveways or parking. , 887 h. Projects that require a CAMA Major Development Permit may also require a Stormwater Certification. Has a site development plan been submitted to the Division of Environmental Management for review? X Yes No If yes, date submitted June 2000 Approved August 29, 2000 L Describe proposed method of sewage disposal. Sewage will be pumped to the Northside Treatment Plant for treatment and dis osal j. Have the facilities described in Item i. above received state or local approval? Yes (Attach approptuue .documentation) k. Describe location and type of proposed discharges to waters of the state (for example, surface runoff, sanitary . wastewater, industrial/commercial effluent, "wash down" and residential discharges). Surface r un-off onltr Describe proposed drinking water supply source (e.g. well, -community, public system, etc.) Private -wP1.1a -4 of- -- --11 __ __ public water systems. m. Will water be impounded? Yes X No If yes, how many acres? n. If the -project is a oceanfront development, when was the lot(s) platted and recorded? N/A New Hanover County Applicant or'Project Name S' ure Al Date Revised 03/95 ECEIVE DEC 18 2000 D COASTAL MANAGEMENT NEW HANOVER COUNTY WATER AND SEWER DISTRICT MIDDLE SOUND REGIONAL WASTEWATER FACILITIES IMPROVEMENTS PROJECT NARRATIVE 'McKim & Creed Project No. 00494-0017 December 2000 5625 Dillard Road, Building 1, Suite 117 Cary, North Carolina 27511 (919) 233-8091 0:10494\0017\40\CAMANarrative.doc 1 TABLE OF CONTENTS Sections 1. Introduction 11. Project Purpose and Scope III. Upland Areas A. Geography B. Soils and Floodplains C. Existing Land Use and Zoning D. Growth E. Existing Facilities F. Wetlands IV. CAMA Boundaries V. Environmental Protection - Project Safeguards VI. Permitting VII. Summary Q:1049410017\401CAMANarrative.doc Page 3 3 3 3 3 4 4 4 5 5 6 8 9 2 1. INTRODUCTION The Middle Sound Regional Wastewater Facilities Improvements (MSRWF) project will involve the construction of approximately 118,000 linear feet of sanitary sewer mains, 21,000 linear feet of sewerfoi ce mains and six (6) sewer pumping stations in the Middle Sound area of New Hanover County, North Carolina. The project area is located in the community of Ogden, approximately 4 miles northeast of the City of Wilmington, and is bounded on the north by Pages, Creek, the south by Howe Creek, the east by the Intracoastal Waterway, and the west by US Highway 117. 11. PROJECT PUPROSE AND SCOPE The MSRWF is a part of the New Hanover County Water and Sewer District, and is intended to serve current and future residents with domestic sanitary sewer service. At the time of this writing, there are approximately 1300 homes located in the project area, the majority of which are utilizing private individual septic tanks for wastewater disposal. With continued development in the area, the proliferation of septic tanks, poses a potential threat to human health and the environment. The project as designed, will eliminate the use of septic tanks and provide a means of wastewater disposal that will protect human health and the surrounding environment. 111. UPLAND AREAS A. Geography The MSRWF encompasses an area of approximately 2100 acres and is located in the Atlantic Coast region of North Carolina; more specifically the project is located in the coastal plain provinces. The areas slopes generally to the south and east with elevations ranging from 0 feet to 45 feet, mean sea level (MSL). B. Soils and'Floodplains Soils within the project area vary greatly with approximately 12-15 different soils categories identified. The most common are Kenansville-Craven-Lakeland, which are moderately well Q:\0494\0017\10\CAMANarrative.doc 3 drained to excessively well drained in nature, and are characterized by a sand or sandy loam surface layer and a sandy loam, clay or sand-subsoil underlying layer. Floodplains in the project area are prevalent mainly along the Pages Creek, Howe Creek and Intracoastal Waterway boundaries. There are also areas of delineated floodplains associated with tributaries to the previously mentioned surface waters-present within the project area. The approximate elevation of the 100-year floodplain is 11 feet MSL. C. Existing Land Use and Zoning Land use in the project area is predominantly residential, with the exception of the Ogden Elementary School located on SR 1403 Middle Sound Loop Road and two Marinas located on the Intracoastal Waterway. Approximately 80 percent of the residences in the area are located in established residential subdivisions. Information supplied by the New Hanover County planning department shows that the undeveloped areas within the project are zoned primarily residential, and it is expected that land use and new development in this region will continue to be residentially driven. D. Growth Historical growth in the Middle Sound region has typically ranged from 2.5 percent to 5 percent. At the time of this writing, several large tracts in the. project area were either under development or in a planning/design stage. The proximity of the project area to beaches and .recreation facilities of New Hanover County as well other coastal.counties has been a major impetus for residential development. It is expected that the -region will continue to experience residential growth as a result of its attractive location. E. Existing Facilities Sewer The majority of residents in the Middle Sound area utilize private individual septic tanks for wastewater disposal; however, there are several small private low-pressure sewer systems that utilize drain fields as a means of waste disposal, as well as gravity systems that Q:\0494\0017440\CAMANarrative.doc 4 discharge waste to County facilities via a pump station and force main. Water While most residents have private individual wells for potable drinking water, there are some areas that are supplied by county or city water facilities. These areas are limited and are mainly concentrated near the intersection of US Highway 117 and SR 1403 Middle Sound Loop Road. This project does not include any provisions for providing a potable water supply source to residents. F. Wetlands Wetlands that will be impacted as a result of this project have been delineated, surveyed and included as part of the construction plans and documents for this project. Due to the fact that the majority of the proposed sewer mains have been designed in the rights-of-way of existing roads and streets, impacts to wetlands have largely been avoided. However, there are some areas where the sewer mains must traverse wetlands. In these areas, clearing and construction disturbance has been limited to a 40-foot wide (or less) corridor, thereby minimizing the impact to wetlands. All activities in or adjacent to wetlands which result from construction of this project will be conducted in accordance with 33 CFR Part 330 of the Federal Register. The wetlands delineation for this project has been approved by the US Army Corps of Engineers - Wilmington Regional Office. IV. CAMA BOUNDARIES The MSRWF project is within the jurisdictional boundary of several bodies of water regulated by the Division of Coastal Management. These waters and their respective classifications are-as follows: Water -Body Classification Mean High Water Buffer Pages Creek SA 75 Feet Howe Creek ORW 575 Feet Intracoastal Waterway ORW 575 Feet Q:\0494\0017\40\CAMANarrative.doe 5 All buffers are measured from the mean high water elevation, which is approximately 3 feet MSL for the Middle Sound area. V. ENVIRONMENTAL PROTECTION - PROJECT SAFEGUARDS A primary concern for this project is the protection of the CAMA regulated waters. The project has been designed to provide an effective means of wastewater collection to area residents while safeguarding CAMA waters, wetlands, and other environmental concerns. Specific design elements and protective measures are detailed as follows: Construction Phase During construction, the contractor will be required to install and maintain adequate erosion and sedimentation control measures as required by the NCDENR - Division of Land Quality. An erosion and sedimentation control plan has been designed for this project and is currently under review by the Division of Land Quality. These measures include the installation of silt :fencing, straw/net channel liners, check dams, riprap, sediment traps and diversions ditches. for control of silt and sediments. An on-site resident construction observer will enforce the implementation and maintenance of the erosion control measures during construction, and is empowered to stop work if these measures are -not adhered to. No stockpiling of excavated or spoil material will be allowed in wetland areas. The contractor will be required to place all overburden and spoil material on upland areas. Further, the contractor will be required to provide a non-eroding support system for equipment during construction -through the wetlands in addition to installing the required erosion control measures. Construction will be limited to a 40-foot wide corridor centered on the pipe installation and all excavated material will be stockpiled within the upland areas of.these limits. All stockpile areas will require proper sedimentation and erosion control measures, primarily from the use of silt fence containment. Construction methods used-for this project will primarily be via the open-trench method utilizing medium-duty excavation equipment. This method is efficient and minimizes the excavation required for pipe installation. A resident construction observer will be on-site at all times to monitor and inspect the work as it is being performed. The sewer mains will be tested for leaks and sanitized prior to Q:\0494\0017\40\CAMANarrative.doc 6 acceptance and approval by the engineer. The excavated trench will be backfiilled to original grade and restored to pre-construction condition at the end of each day's operation. A planting restoration plan has been designed as an integral part of the project and is included in the construction plans. This plan includes approved plant species, spacing and seasonal options for particular species. It should be noted that of the approximately 139,000 linearfeet of sewer mains proposed for this project, only 12,000+/- linear feet will be installed within the mean high water buffer areas. Additionally, three of the six sewer pumping stations will be installed within the boundary. 900-Year Flood Protection The 100-year flood elevation in the Middle Sound area is 11 feet MS.L. The sewer mains and pump stations have been designed to eliminate discharges, spills or contamination that could result from the 100-year storm event. Sewer Manholes - The top rim elevation of all manholes proposed for this project have been set at an elevation of 1 foot above the 100-year flood elevation of 11 feet MSL whenever feasible. In areas where this is notfeasible, the manhole rims have been designed with water-tight, sealed rims and covers. Pump Stations - The top elevations of the proposed sewer pumping stations have.been designed at an elevation 1 foot higher than `the 100-year flood elevation of 11 feet MSL. Additionally, electrical structures and all other appurtenances have been designed at the same elevation. Protection from Power Outages A main focus of this project was to ensure that the six pump stations proposed for this project were supplied with a standby power supply in the event of a power outage. To Q: \0494\0017\40\CAMANarrative.doc 7 accomplish this, each station has been designed with a dedicated, on-site generator and automatic power transfer switch. Each generator shall also be supplied with a fuel tank capable of providing 72 hours of continuous run time. Additionally, each pump station will have dedicated telemetry. This will provide instant notification to the New Hanover County Utilities Department of any problems that may arise at the station (power outages, pump failures, alarms, etc.), so that immediate attention may be given to alleviating potential problems. Protection of Human Health Heavy development in the project area has resulted in a large number of private individual septic tanks being utilized for waste disposal. The residential growth expected for the area will most likely lead to the continued proliferation of septic tank disposal systems. Coupled with the fact that most of the septic tank owners also utilize private individual wells for drinking water supply, this creates a potential threat to human health.. The failure of septic tanks could lead to contamination of private wells, ground water and nearby surface waters. The primary benefit of this project is that it will eliminate this potential threat to human health by eliminating the need for private septic tank disposal systems. VI. PERMITTING At the time of this writing, the Middle Sound Regional Wastewater Facilities project is under review (or has been approved) by the following agencies: NCDENR - Division of Water Quality.- Non-Discharge Section Approved NCDENR - Division of Land Quality- Erosion Control Approved NCDENR - Division of Water Quality - Storm Water Management Approved • NCDOT - Right-of-Way Encroachment Agreement Pending Q:\0494\0017440\CAMANarzative.doc 8 VI1. SUMMARY The Middle Sound Regional Wastewater Facilities Improvements project will provide current and future residents of the area with a public sanitary sewer system. This project will eliminate the need for private individual septic tanks as well as the potential threat to human health and the environment that may arise from failure of these septic tanks. The design of this public sanitary sewer system includes numerous safeguards against potential damage to the surrounding environment. These safeguards are summarized as follows: Sewer Manholes - The top elevations of all manholes are either 1 foot above the 100-year flood elevation of 11 feet MSL, or have been designed with water-tight covers. Pump Stations - Pump stations have been designed to be 1 foot above the 100-year flood elevation. Each station will be equipped with dedicated standby generators, automatic transfer switches and telemetry. Erosion Control - An erosion control plan has been designed for the project and will be implemented during construction. Wetlands - Impacts to wetlands have been avoided when feasible. In areas where wetlands must be traversed, clearing-has been limited to a. maximum 40-foot wide corridor. No excavation or spoil material will be stockpiled in wetland areas. QA0494\0017140\CAMANarrative.doc 9 Proposed Sanitary Sewer Main Proposed Manhole w Q a fl a a a a OP Proposed 30' Utility Easement- Maximum Construction Limits Contractor to provide restoration plantings for entire disturbed area in accordance as detailed below. Note that contractor shall coordinate all planting selections and spacings with engineer prior to planting. 3 Q a n o n a 0 an at - - - - - - - - - - - - - - - - - Spacing varies - See planting specifications below Along the edges of the tidal marsh where the elevation is higher, shrubs such as myrtle, groundsel bush, and marsh elder will be planted at a 5' spacing. From this marsh edge, three herbaceous marsh species will be planted on a 2' spacing. Culms of saw grass, giant cordgrass, and black needlerush will be planted in elevation bands, with saw grass in the highest elevation, followed by a band of giant cordgrass, and finally black needlerush in the lowest elevation. The optimal time to plant these species is in the dormant season, which is late winter to early spring (January-March). However, the herbaceous species can likely be planted up until mid - May. Table 1. `Species to be planted at Middle Sound LoOD.* Scientific Name Common Name Spacing Myrica cerifera Baccharis halimifolia Iva frutescens Wax myrtle Groundsel Bush Marsh elder 5' (along edges of marsh) Spartina cynosuroides Giant cordgrass 2' Cladium jamaicense Saw grass 2' Juncus romerianus Black needlerush 2' MIDDLE SOUND REGIONAL `WASTEWATER FACILITIES NEW HANOVER COUNTY, NC PLANTING :RESTORATION `:PLAN AND SPECIFICATION Not to Scale State of North Carolina Department of Environment and Natural Resources Wilmington Regional Office James B. Hunt, Jr., Governor Bill Holman, Secretary Division of Water Quality Mr. Wyatt E. Blanchard New Hanover County 414 Chestnut Street Wilmington, NC 28401 Dear Mr. Blanchard: IVECE, Vt i ©C T-2 7 Inan October 25, 2000 s A?, NCDENii NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES Subject: Permit Error SW8 000645 New Hanover County Middle Sound Regional Wastewater Facility Stormwater Project No. SW8 000711 New Hanover County This letter is to inform you that an error has been made on the State Stormwater Permit for the New Hanover County Middle Sound Regional Wastewater Facility. The permit was issued to you with the project number SW8 D00645. This number is incorrect. The correct project number is SW8 000711. A new permit has been issued with the correct number. Please replace your existing permit with the permit attached. I apologize for any inconvenience. If you have any questions concerning this matter, please do not hesitate to call me at (910)-395-3900. Sincerely, RSS1nml: cc:. Noelle Lutheran Irt?"r ahri - Tony Roberts Beth Easley Central Files Wilmington Regional Office Noelle Lutheran Environmental Technician DEC 2 7 20? D DIVISION OF COASTAL MANAGEMENT 127 Cardinal Dr. Ext., Wilmington, North Carolina 28405 Telephone 910-395-3900 FAX 910-350-2004 An Equal Opportunity Affirmative Action Employer 50% recycled/10% post-consumer paper State of North Carolina Department of Environment and Natural Resources V17ilmington Regional Office James B. Hunt, Jr., Governor Bill Holman, Secretary Division of Water Quality A14UP WIVIA NCDENR NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES August 29, 2000 Mr. Wyatt E. Blanchard New Hanover County -414 Chestnut Street Wilmington, NC 28401 Dear Mr. Blanchard: Subject: Permit No. SW8 000711 NewHanoverCountyMiddle Sound Regional WastewaterFaciIities General Permit Stormwater-Utility Line New Hanover County The Wilmington Regional Office received a complete StormwaterManagementPermitApplication forNew Hanover County Middle Sound Regional Wastewater Facilities onAugust21,2000. Staffreviewoftheplans andspecifications hasdetermined that the project, as proposed, will comply with the Stormwater Regulations set forth in Title 15A NCAC 211.1000. We are forwarding Permit No. SW8 000711 dated August 29, 2000, for the construction of New Hanover County Middle Sound Regional Wastewater Facilities. This permit shall be effective from the date of issuance until rescinded and shall be subject-to the conditions and limitations as specified therein. lfanyparts,requirements, orlimitations contained in thispermitare unacceptable, you have the righttorequestan adjudicatory hearing upon writt en request within thirty (30) days following receipt of this permit. This request must be in the form of a written petition, conformingto Chapter 150B oftheNorth Carolina General Statutes,'andfiled with the Office ofAdministrative Hearings, P.O. Drawer 27447, Raleigh, NC 27611-7447. Unless such demands are made this permit shall befinal and binding. Ifyou have any questions, orneed additional information concerningthis matter, please contact eitherme or Noelle Lutheran at (910) 395-3900. Sincerely, Rick Shiver Water Quality Regional Supervisor RSS/nml: S:\WQS\STORMWATIPBRMIT\00071.1.JUL cc: Tony Boahn Tony Roberts, New Hanover County Inspections Beth Easley, New Hanover County Engineering Noelle Lutheran Wilmington Regional Office Central Files DEC 2 7 ?? C}IVI MAN OFME?T COp,STAL 127 Cardinal Dr. Ext., Wilmington, North Carolina 28405 Telephone 910-395-3900 FAX 910-350-2004 An Equal Opportunity Affirmative Action Employer 50% recycled/10% post-consumer paper ent Systems State StormwZr QNo pppW STATE OF NORTH CAROLINA o rL w 0 DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCE ? zO z DIVISION OF WATER QUALITY U 4 < 0 ? J STATE STORMWATER MANAGEMENT PERMIT . n GENERAL PERMIT In accordance with the provisions of Article 21 of Chapter 143, General Statutes ofNorth Carolina as amended, and other applicable Laws, -Rules and Regulations PERMISSION IS HEREBY GRANTED TO New Hanover County New Hanover County Middle Sound Regional Wastewater Facilities FOR THE construction of utility lines in compliance with the provisions of 15A NCAC 2H .1000 (hereafter referred to as the ""stormwater rules ") and-the approved stormwater management plans and specifications, and other supporting data, as attached and on file with and approved by the Division of Water Quality and considered a part of this permit for New Hanover County Middle.Sound Regional Wastewater Facilities. The Permit shall be effective from the date of issuance until rescinded and shall be subject to the following specific conditions and limitations: I. DESIGN STANDARDS 1. This permit covers the construction of utility lines only. 2. Runofffrom any proposed buildings and driveways associated with the utility project will be diverted away from surface waters. All runoff must sheet flow through vegetated areas, and no piped discharges are allowed. 3. The approved Erosion Control plan will be followed. 4. Approved plans and specifications for projects covered by this permit are incorporated by reference and are enforceable parts of the permit. 5. Projects covered by this permit will maintain a minimum 30 foot wide vegetative buffer between all impervious areas and surface waters. 127 Cardinal Dr. Ext., Wilmington, North Carolina 28405 Telephone 910-395-3900 FAX 910-350-2004 An Equal Opportunity Affirmative Action. Employer 50% recycled/10% post-consumer oaner State Stormwater Management Systems Permit No. SW8 000711 II. SCHEDULE OF COMPLIANCE I . The permittee shall at all times provide adequate erosion control measures in conformance with the approved Erosion Control Plan. 2. The permittee shall submit all information requested by the Director or his representative within the time frame specified in the written information request. 3. The permittee shall submit to the Director and shall have received approval for revised plans, specifications, and calculations prior to construction for the following items: a. Any revision to the approved plans, regardless of size. b. Project name change. C. Transfer of ownership. d. Redesign of, addition to or deletion of the approved amount of built-upon area, regardless of size. e. Further subdivision of the project area f. Alteration of the proposed drainage. 4. The Director may determine that other revisions to the project should require a modification to the permit. 5. The Director may notify the permittee when the permitted site does not meet one or more of the minimum requirements of the permit. Within the time frame specified in the notice, the permittee shall submit a written time schedule to the Director for modifying the site to meet minimum requirements. The permittee shall provide copies of revised plans and certification in writing to the Director that the changes have been made. 6. No stormwater piping in addition to the existing piping shall be allowed except: a. That minimum amount necessary to direct runoff beneath an impervious surface such as a road. b. That minimum amount needed under driveways to provide access. III. GENERAL CONDITIONS 1. Failure to.abide by the conditions and limitations contained in this permit may subject the Permittee to an enforcement action by the Division of Water Quality, in accordance with North Carolina General :Statutes 143215.6A to 1423-215.6C. 2. The permit issued shall continue.in force and effect until revoked or terminated. 3. The permit may be modified, revoked and reissued or terminated for cause. The filing of a request for a permit modification, revocation and reissuance, or termination does not stay any permit condition. 4. The issuance ofthis permit does notprobibit the Director fromreopening and modifying the permit, revoking and reissuing the permit, or terminating the permit as allowed by the laws, rules, andregulations contained in Title 15A of the North Carolina Administrative Code, Subchapter 2H.1000; and North Carolina General Statute 143-215.1 et. al. D DEC .2.7.2000 DIVISION OF 127 Cardinal Dr. Ext., Wilmington, North Carolina 28405 Telephone 910-395 A ?91 AgEME NT An Equal Opportunity Affirmative Action. Employer 50% recycled/10% post-consumer paper State Stormwater Management Systems Permit No. SW8 000711 5. The permit is not transferable to any person except after notice to and approval by the Director. The Director s may require modification or revocation and reissuance of the permit to change the name and incorporate such other requirements as may be necessary. A formal permit request must be submitted to the Division of Water I Quality accompanied by the appropriate fee, documentation from both parties involved, and other supporting j materials as may be appropriate. The approval of this request will be considered on its merits, and may or may not be approved. i 6. The issuance of thispdrmit does not preclude the Permittee from complying with any and all statutes, rules, regulations, or ordinances which may be imposed by other government agencies (local, state and federal) which have jurisdiction. 7. The permittee grants permission to DENR Staff to enter the property for the purpose of inspecting the project. i Permit issued this the 29th day of August, 2000. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION Kerr T. Stevens, Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number SW8 000711 ECENE D DEC 2:7.2000 DIVISION OF COASTAL MANAGEMENT 127 Cardinal Dr. Ext., Wilmington, North Carolina 28405 Telephone 910-395-3900 FAX 910-350-2004 An Equal Opportunity Affirmative Action Employer 50% reeveler[/Ino/...,..+ .._-- - State of North Carolina Department of Environment and Natural Resources Wilmington Regional Office James B. Hunt, Jr., Governor Bill Holman, Secretary Division of Water Quality August 29, 2000 Mr. Wyatt E. Blanchard New Hanover County 414 Chestnut Street Wilmington, NC 28401 A 4 "*A NCDENR NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES Subject: Permit No. SW8 000645 NewHanoverCountyMiddle SoundRegional WastewaterFacilities General Permit Stormwater-Utility Line New Hanover County Dear Mr. Blanchard: The Wilmington Regional Office received a complete Stormwater ManagementPermit Application forNew Hanover County Middle Sound Regional Wastewater Facilities onAugust21,2000. Staffreviewoftheplans andspecificationshasdetermined that the project, as proposed, will comply with the Stormwater Regulations set forth in Title 15A NCAC 2H .1000. We are forwarding'Permit No. SW8 000645 dated August 29, 2000, for the construction of New Hanover County Middle Sound Regional Wastewater Facilities. This permit shall be effective from the date of issuance until rescinded and shall be subject tothe conditions and limitations as specified therein. Hanyparts,requirements, or limitations contained in this permit are unacceptable; you havethe=ightto request an'adjudicatory .hearing upon written request within thirty(30) days following receipt of this permit. This request must be in the form of a written petition, conforminato Chapter 150B ofthe North Carolina General Statutes, and filed with the Office ofAdministrative Hearings,P.O. Drawer27447, Raleigh, NC 27611-7447. Unless such demands are made this permit shall be fmaland binding. Ifyou have any questions, or need additional information concerning this matter, please contact either me or Noelle Lutheran .at (910).395-3900. Sincerely, Zf i /Rick- Shiver ? Water Quality Regional Supervisor RSS/nml: S:\W S\ST?QRMWATIPERMl \000645.JUL cc: , oa Tony Roberts, New Hanover County Inspections Beth Easley, New Hanover County Engineering Noelle Lutheran Wilmington Regional Office Central.Files 127 Cardinal Dr. Ext., Wilmington, North Carolina 28405 An Equal Opportunity Affirmative Action Employer DEC r 7 2000 DIVISION OF. .OASTAL MANAGEMENT Telephone 910-395-3900 FAX 910-350-2004 50% recycled/10% post-consumer paper State Stormwater Management Systems Permit No. SW8 000645 STATE OF NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY STATE STORMWATER MANAGEMENT PERMIT GENERAL 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 New Hanover County New Hanover County Middle Sound Regional Wastewater Facilities FOR THE construction of utility lines in compliance with the provisions of 15A NCAC 2H.1 ooo (hereafterreferred to as the "stormwater rules ") and the approved stormwater management plans and.specifications, and other supporting data as attached and on file with and approved by the Division of Water Quality and considered apart of this permit for New Hanover County Middle Sound Regional Wastewater Facilities. The Permit shall be effective from the date of issuance until rescinded and shall be sub'ect to.. a conditions and limitations: specific I. DESIGN STANDARDS DEC -.7 2000 1. This permit covers the construction of utility lines only. DIVISION OF 2. Runoff from anyproposed buildings and driveways associated e Me E die sec a verted away from surface waters. All runoff must sheet flow through vegetated areas, and no piped discharges are allowed. 3. The approved-Erosion Control plan will be followed. -4. Approved plans and specifications for prof ects covered by this permit are incorporated by reference and are enforceable parts of the permit. 5. Projects covered by this permit will maintain a-minimum 30 foot wide vegetative buffer between all impervious areas and surface waters. State Stormwater Management Systems Permit No. SW8 000645 H. SCHEDULE OF COMPLIANCE 1. The permittee shall at all times provide adequate erosion control measures in conformance with the approved Erosion Control Plan. i 2. The permittee shall submit all information requested by the Director or his representative within the time frame specified in the written information request. 3. Thepermittee shall submit to the Director and shall have received approval forrevised plans, specifications, . and calculations prior to construction for the following items: It Any revision to the approved plans, regardless of size. b. Project name change. C. Transfer of ownership. d. Redesign of, addition to or deletion of the approved amount of built-upon area, regardless of size. e. Further subdivision of the project area. f Alteration of the proposed drainage. 4. The Director may determine that other revisions to the project should require a modification to the permit. . 5. The Director may notify the permittee when the permitted site does not meet one or more of the minimum requirements of the permit. Within the time frame specified in the notice, thepermittee shall submit a written time schedule to the Director for modifying the site to meet minimum requirements. The permittee shall provide copies ofrevised plans and certification in writing to the Director thatthe changes have beenmade. 6. No stormwater piping in addition to the existing piping shall be allowed except: a. That minimum amount necessary to direct runoff beneath an impervious surface such as a road. b. That minimum amount needed under driveways to provide access. III. GENERAL CONDMONS •' 1. Failure to. abide bythe conditions andlimitations contained in this permit may subject the Permittee to an enforcement-action bytheDivision -of Water Quality, in accordance with North Carolina. General Statutes 143 215.6Ato 143-215.6C. } 2. _ The permit issued shall continue in force and effect until revoked or terminated. 3. The permit may be modified, revoked and reissued or terminated for cause. The filing of a request for a permit modification, revocation and reissuance, or termination does not stay any permit condition. 4. The issuance ofthis permit does not prohibit the Director from reopening andmodifying the permit, revoking and reissuing the permit, or terminating the permit as allowed by the laws, rules, and regulations contained in Title 15A of the North Carolina. Administrative Code, Subchapter.2H.1000; and North Caro i neral Statute .143-215.1 et. al. jug ?? ?- ? I.2000 .?r)IC?i?"1 ' lJi" State StormwaPertermManagementSW8 it Systems000645 No. 5. The permit is not transferable to any person except after notice to and approval by the Director. The Director may require modification or revocation and reissuance of the permit to change the name and incorporate such other requirements as may be necessary. A formal permit request must be submitted to the Division of Water Quality accompanied bythe appropriate fee, documentation from bothparties involved, and other supporting materials as may be appropriate. The approval of this request will be considered on its merits, and may or may not be approved. 6. The issuance of this permit does not preclude the Permittee from complying with any and all statutes, rules, regulations, or ordinances which may be imposed by other government agencies (local, state and federal) which have jurisdiction- 7. The permittee grants permission to DENR Staff to enter the property for the purpose of inspecting the project. Permit issued this the 29th day of August, 2000. NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION Ke r T. Stevens, Director }division of Water Quality By Authority of the Environmental Management Commissi a On Permit Number SW8 000645 DEC 2 200 UNOSION GEMEN? O0AS"TAt- MAN State of North Carolina Department of Environment and Natural Resources Division of Water Quality STORMWATER MANAGEMENT PERMIT APPLICATION FORM This form may be photocopied for use as an original 1. GENERAL INFORMATION 1. Applicants name (specify the name of the corporation, individual, etc. who owns the project): New Hanover County 2. Print Owner/Signing Official's name and tide (person legally responsible for facility and compliance): II1. _ 11 r_ .2?____ 1 n s - 3. Mailing Address for person listed in item 2 above: 414 Chestnut Street City: Wilminqton State: NC Zip: 28401 Telephone Number: (910) 341-7139 4. Project Name (subdivision, facility, or establishment name-should be consistent with project name on plans, specifications, letters, operation and maintenance agreements, etc.): New-Hanover County Middle Sound Regional Wastewater Facilities Improvements 5. Location of Project (street address): Middle_ Sound Loop Road (See Attached Plans) City._Wilmmgton County: New Hanover 6. Directions to project (from nearest major intersection): From US 17 Market Street and SR 1402 Middle Sound Loo Road approximately % mile east On SR 1403 7. Latitude: 34°01'15" Longitude: 77°47'30" of project 8. Contact person who can answer questions about the project: Name: _ Anthony W. Boahn P.E -Telephone Number (919) 233-8091 II. PERMIT INFORMATION: 1. Specify whether project is (check one): X New Renewal FORM SWU-101 Version 3.99 Page 1 of 4 Modification Icy DEC') 7 2000 DIVISION OF COASTAL MANAGEMENT ti = 2. If this application is being submitted as the result of a renewal or modification to an existing permit, list the existing permit number N/A and its issue date (if known) 3. Specify the type of project (check one); Low Density High Density Redevelop X General Permit Other 4. Additional Project Requirements (check applicable blanks): X CAMA Major X Sedimentation/Erosion Control X 404/401 NPDES Stonnwater Information on required 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 stonnwater management for the project. Storm water will be drained via sheet flow and will be directed to existing natural drainage features. 2. Stormwater runoff from this project drains to the Cape Fear River basin. 3. Total Project Area: 1.51 acres. 4. Project Built Upon Area: 81.5% 5. How many drainage basins does the project have? 6 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: (See.Attachment A for additional drainage basin information.) Buckeye Rd. Pump B n3nfo nafton _ Dramage.are Receiving Stream Name Pages Creel Receiving Stream Class SA Drainage Area 0.40 Acres Existing Impervious* Area 0 Acres Proposed Impervious* Area 0.12 Acres % Impervious*.Area (total) 30% Imp _ erviou *.: 5uiface ea" - On-site Buildings - _:`E?ram49 - -Axe J 0.02 Acres -D. 0.01 Acres On-site Streets 0.04 Acres 0.06 Acres On-site Parking 0.06 Acres 0.21 Acres On-site Sidewalks 0 Acres 0 Acres Other on-site 0 Acres 0 Acres Off-site 0. Acres 0 Acres Total: 0.12 Acres -.? 'kTmnaniroic o? *n rln9- 4 _ ..._. r.... ?, ,....,???.?.?.«.?s, u? JW zYXrt ? Da Parking areas, sidewalks, gravel areas, etc. FORM SWU-101 Version 3.99 Paget of4 aEC '72000 DIVISION OF COASTAL MANAGEMENT ADDITIONAL DRAINAGE BASINS Pages Creek. Pump Station Dennis Drive Pump Station Basin Information . Drainage Area 3 ..... Drainage.Area :4 Receiving Stream Name Pages Creek Pages Creek Receiving Stream Class SA SA Drainage Area 0.19 Acres 0.08 Acres Existing Impervious* Area 0 Acres 0 Acres Proposed Impervious* Area 0.19 Acres 0.08 Acres % Impervious* Area (total) 100% 10Q% Impervious* :Surface Area: ; Drainage Area3 Drainage Area 4 On-site Buildings 0.01 Acres 0.01 Acres On-site Streets . 0.09 Acres 0 Acres On-site Parking 0.09 Acres 0.07 Acres On-site Sidewalks 0 Acres 0 Acres Other on-site 0 Acres 0 Acres Off-site 0 Acres 0 Acres Tom 0.19 Acres 0.08 Acres *Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc. Stoney Brook Pump Station Falcon Pointe Pump Station .Basinjnformation Dsainage Area:. - ; - Drainageiea fi Receiving Stream Name Middle Sound Howe Creek Receiving Stream Class SA-ORW SA -0RW Drainage Area 0.45.Acres 0.11 Acres Existing Impervious* Area 0 Acres 0 Acres Proposed Impervious* Area 0.45 Acres 0.11 Acres u/b Impervious* Area (total) 100% 100% ervious* ui i ' Area DrainageArea 3 '_ Drainage ATeaG On-site Buildings 0.01 Acres 0.01 Acres On-site Streets 0.32 Acres 0 Acres On-site Parking 0.12 Acres 0.10 Acres On-site Sidewalks O.Acres O Acres Other on-site 0 Acres O Acres Ofd site O Acres 0 Acres Total: 0.45 Acres 0.11 Acres `*Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas, sidewalks, gravel areas, etc. Q DEC 2 7 2000 DIVISION OF FORM SWU-101 Version 3.99 Addition 1 ^OASTAL MANAGEMENT 7. How was the off-site impervious area listed above derived? N/A - There are no off-site ;m-y- S uareas for this roiect. N. 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. The following covenants are intended to ensure ongoing compliance with state stormwater management permit number as issued by the Division of Water Q covenants may not be changed or deleted without the consent of the State. Quality. These 2. No more than 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 state stormwater management permit modification prior to construction. 5. All permitted runo f from outparcels or future development shall be directed into the permitted stormwater 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 clairriing under them, that they will run with the land, that the required covenants cannot be changed or deleted without concurrence from the State, and that they will be recorded prior to the sale of any lot. V. :SUPPLEMENT FORMS The applicable state stormwater management permit supplement form(s) listed below must be submitted for each BMP specified for this project. Contact the Stormwater and General Permits Unit at (919) 733-5083 for the status and availability of these forms. Form .SWU-102 Form-SWU-103 Form SW-104 Form SWU-105 Form SWU-106 Form SVVU-107 Form SVVU-108 Fora SW-109 Wet Detention Basin Supplement Infiltration Basin Supplement Low Density Supplement Curb Outlet System Supplement Off-Site System Supplement _ Underground Infiltration Trench Supplement Neuse River Basin Supplement Innovative Best Management Practice Supplement FORM SWU-101 Version 3.99 Page 3 of 4 scsiv D ?, DEC 2. 20 VNIISION O MeNT MANAG s. VI. SUBMITTAL REQUIREMENTS Only complete application packages will be accepted and reviewed by the Division of Water Quality (DWQ). A complete package includes all of the items listed below. The complete application package should be submitted to the appropriate DWQ Regional Office. 1. Please indicate that you have provided the following required information by initialing in the space provided next to each item. • Original and one copy of the Stormwater Management Permit Application Form - Initials • One copy of the applicable Supplemental Form(s) for each BMP • Permit application processing fee of $420 (payable to NCDENR) • Detailed narrative description of stormwater treatment / management Two 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 names streets or NCSR numbers - Original contours, proposed contours, spot elevations, finished floor elevations Details of roads, drainage features, collection systems, and stormwater control measures Wetlands delineated, or a note on plans that none exist Existing drainage (including off-site), drainage easements, pipe sizes, runoff calculations Drainage basins delineated Vegetated buffers (where required). VIL AGENT AUTHORIZATION If you wish to designate submittal authority to another individual or firm so that they map provide information on your behalf, please complete this section. Designated .agent (individual or firm): McKim & Creed P.A. Mailing Address: -5625 Dillard Drive Suite 117 City: Cary State: NC :Zip: 27511 Phone: (919) 233-8091 Fax: (919) 233=8031 VIII. APPLICANT'S CERTMCATION I, (print or type name ofperson listed in General Information, item 2)_ Wyatt E. Blanchard certify that the information included on this permit application form is, to the best of my knowledge, correct and that the project will be constructed in conformance with the approved plans,-that the required deed restrictions and protective covenants will be recorded, and that the proposed project complies with the requirements of 15A NCAC 2H.1000. Signature ,. _J .D. - ate: I., Z FORM -SWU-`101 Version.3.99 Page 4 of 4 DEC 2 7 2000 DIVISION OF n rAi nAOwAGEMENT D_?iartment of Environment and Natural Resources Wfmington Regional Office Division of Land Resources Land Quality Section James B. Hunt, Jr., Governor Bill Holman, Secretary RECEI yk L, ??? 1 Q ?'tj00 August 8, 2000 LETTER OF APPROVAL County of New Hanover Mr. Wyatt E. Blanchard, 414 Chestnut Street Wilmington, NC 28401 County Engineer Ir?-n .?.w NCDENR NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES ECEIVE?__ DEC 2:7 2000 . OF COASTAL lM NA GEME NT Project Name: New Hanover Co.. Middle Sound Reg. WWF Project No.: NH-01009 Location: Ogden - New Hanover County River Basin: Cape Fear Submitted by: McKim and Creed Date Received: July 20, 2000 New Submittal Dear Mr. Blanchard: This office has reviewed the subject sedimentation and erosion control plan. We find the plan to be acceptable and hereby-issue this Letter of Approval. The enclosed Certificate of Approval must be posted at the job site. This plan approval shall expire three (3) years following the date of approval, if no land-disturbing activity has been undertaken, as is required by Title 15A NCAC 4B.0029. Please be advised that Title 15A, of the North Carolina Administrative Code, 4B.001 8(a) requires that a copy of the approved plan be on file at the job site. Also, you should consider this letter to give the Notice required by GS 113A-61(a) approved plan. The last page(s) which lists approval comments should be copied and attached to the sedimentation and erosion control plan that is maintained on site. North Carolina's Sedimentation Pollution Control Program is performance oriented, requiring protection of the natural resources and adjoining properties. If, following the commencement of this 'project, it is determined that the erosion and sedimentation control plan is inadequate to -meet the requirements of the Sedimentation Pollution Control Act of 1973 (North Carolina General `Statute '113A- 51 thru 66), this office may require revisions to the plan and its implementation to insure compliance with the Act. Acceptance and approval of this plan is conditioned upon your compliance with federal and state water quality laws, regulations, and rules. In particular, if wetlands are effected bythis land disturbing activity, -the provisions of the Clean Water Act as mandated by the Environmental Protection. Agency must be adhered to. In addition, local city or county ordinances or rules may also applyto-this land- disturbin6 activity. This approval does not supersede any other permit or approval. 127 Cardinal Drive Extension, Wilmington, N.C. -28405-3845 • Telephone 910-395-3900 • Fax 910-350-2004 An Equal Opportunity Affirmative Action Employer A -,,ust 8, 2000 Page Two i Please be aware that if five acres are to be disturbed by this project, you will be covered by the enclosed general storm water permit NCGO1000 (Construction Activities). You should first become familiar with all of the requirements for compliance with the enclosed general permit. Please note that this approval is based in part on the accuracy of the information provided in the Financial Responsibility Form which you provided . You are requested to file an amended form if there is any change in the information included on the form. In addition, it would be helpful if you notify this office of the proposed starting date for this project. We look forward to working with you on this project. If you have any questions, please contact our office. Sincerely, Carol N. Miller, CPESC Acting Regional Engineer CNM/dbd cc: Tony Boahn, PE, Project Engineer, McKim and Creed W iRO-LQS i O?tG?` 0 QG O?PN, P? r.Q 127 Cardinal Drive Extension, Wilmington, N.C. 28405-3845 * Telephone 910-395-3900 * Fax 910-350-2004 An Equal Opportunity Affirmative Action Employer R Y of 2 APPROVAL COMMENTS AND CONDITIONS PROJECT NAME: New Hanover Co. Middle Sound Regional WWF PROJECT NUMBER: NH-01009 LOCATION: Ogden- New Hanover County RIVER BASIN: Cape Fear ' SUBMITTED BY: McKim and Creed DATE RECEIVED: July 20, 2000 1. This plan approval shall expire three (3) years following the date of approval, if no land disturbing activity has been undertaken, as is required by Title 15A NCAC 413.0029. 2. The developer is responsible for the control of sediment on-site. If the approved erosion measures prove insufficient, the developer must take those additional steps necessary to stop erosion from leaving this site. Each sediment storage device must be inspected after each storm event. Maintenance and/or clean out is necessary anytime the device is at 50% capacity. 3. Any and all existing ditches on this project site are assumed to be left undisturbed by the proposed development unless otherwise noted. The removal of vegetation within any existing ditch or channel is prohibited unless the ditch or channel is to be regraded with side slopes of 2 horizontal to 1 vertical or less steep. Bank slopes may be mowed, but stripping of vegetation is considered new earth work and is subject to the same erosion control requirements as new ditches. 4. The developer is responsible for obtaining any and all permits and approvals necessary for the development of this project prior to the commencement of this land disturbing activity. This could include agencies such as the Division of Water Quality's stormwater regulations, their enforcement requirements within Section 401 of the Clean Water Act, the U.S. Army Corps of Engineers' jurisdiction of Section 404 of the Clean Water Act, the Division of Coastal Management's CAMA requirements, the Division of Solid Waste Management's landfill regulations, the Environmental Protection Agency and/or The U. S. Army Corps of Engineers jurisdiction of the Clean Water Act, local County or Municipalities' ordinances, or others that may .be required.'This approval cannot supersede any other permit or approval; however, in the case of a Cease andDesist-Order from the Corp of Engineers, that Order would only apply to wetland areas. All highland would still have to`be in compliance with the N.C. Sedimentation Pollution Control Act. 5. If any area on site falls within the jurisdiction of Section 401 or 404 of the Clean Water Act, the developer is responsible for compliance with the requirements of the Division of Water Quality or the Corps of Engineers and.the Environmental Protection Agency (EPA) respectively. Any erosion control measures that -fall within jurisdictional wetland area must be approved by the aforementioned agencies prior to installation of our Section must be notified of a relocation of the measures in question to the transition point between the wetlands :and the highlands to assure that the migration of sediment will not occur. if that relocation presents ,a problems or.contradicts any requirements of either agency, or the EPA it is the responsibility of the-developer to inform the Land Quality Section regional office so that an adequate contingency plan can ,be made to assure sufficient erosion control remains on site. Failure to do so will be considered a violation of this approval. 6. Any borrow material brought onto this site must be from a legally operated mine or other approved source. A single use borrow site or an area to waste material is only permissible if it is operated under total control of the Financially Responsible person or firm who is developing this site, is located on or adjacent to this site, and has.been incorporated-as part of this plan. 7. Thts permit allows for a land disturbance, as called for on the application plan, not .to :exceed 92 acres. Exceeding that acreage will.be a violation of this permit and would require a revised plan and additional application fee. Any addition in impervious surface, over that already noted on the approved plan, would also require a revised plan to verify the appropriateness of the ero ' c r water retention measures. "vim DEC 2 7 .2000 niviSlON OF F Je' 2 of 2 8. 1 The North Carolina Sedimentation Pollution Control Act now mandates a shortened time frame in which to reestablish vegetative groundcover. Slopes (including cuts, fills, and ditch banks) left exposed will, within 15 working days or 30 calendar days (whichever is the shorter) after completion of any phase of grading, be planted or otherwise provided with groundcover sufficient to perma n ently. restrain erosion. ECEIVE D DEC 2,72000D DIVISION OF one ?T??_4 wNI ACEMENT i w? - DEC 2 7 20O NORTH CAROLINA DIVISION OF ENVIRONMENTAL MANAGEMENT COMM&a§TAL MANAGEMENT DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES RALEIGH ,,, WASTEWATER COLLECTION SYSTEM EXTENSION PERMIT This permit shall be effective from the date of issuance until rescinded and shall be subject to the following specified conditions and limitations: 1. This permit shall become voidable unless the wastewater collection facilities are constructed in accordance with the conditions of this permit; 15A NCAC 2H .0200; the Division of Water Quality's (Division) Gravity Sewer Minimum Design Criteria adopted' February 12, 1996 as applicable; the Division's Minimum Design Criteria for the Fast-Track Permitting of Pump Stations and Force Mains adopted June 1, 2000 As applicable; and other supporting materials unless specifically mentioned herein. 2. This permit shall be effective only with respect to the nature and volume of wastes described in the application and other supporting data. 3. The wastewater collection. facilities shall be properly maintained and operated at all times. The Permittee shall maintain compliance with an individual system-wide collection system permit for the operation and maintenance of these facilities or with -15A NCAC 2H.0227 as follows: a. The sewer system shall be effectively-maintained and operated at.all times to prevent discharge to land or surface waters, and any contravention of the groundwater standards in 15A NCAC 2L .0200 or the surface water standards in 15A NCAC 2B .0200. b. A map of the sewer system shall be developed prior to January 1; 2004 and shall be actively maintained. c. An operation=and maintenance plan shall be.developed and implemented. d. :Pump stations that are not connected to .a telemetry system shall be inspected at least three times per week until July 1, 2000; thereafter, pump stations shall be inspected at least daily, as defined in 15A NCAC 2B .0503(5), until July 1, 2001; and thereafter, pump stations shall be inspected every day. Pump stations that are connected to a telemetry system shall be inspected at least once per week. e. High-priority sewer lines shall be inspected at least once per every six-month period of time. f. A general observation of the .entire sewer system shall be conducted at least once per year. g. Inspection and maintenance records shall be maintained-for a period of at least three years. h. Overflows and :bypasses shall be reported to the appropriate Division regional office in accordance with 15A NCAC 2B .0506(a), and public notice shall be provided as required by North Carolina General. Statute §143-215.1C. a. Any process unit failure, due to known or unknown reasons, that renders the facility incapable of adequate wastewater transport, such as mechanical or electrical failures of pumps, line blockage or breakage, etc.; or b. Any failure of a pumping station or sewer line resulting in a by-pass directly to receiving waters without treatment of all or any portion of the influent to such station or facility. Persons reporting such occurrences by telephone shall also file a written report in letter form within five days following first knowledge of the occurrence. This report must outline the actions taken or proposed to be taken to ensure that the problem does not recur. 12. This permit shall be for the construction of the wastewater collection facilities only. No flow shall be made tributary to the subject facilities until permit modification application is submitted tNyith the appropriate fee), a modified permit is issued, and the Engineer's Certification is received and approved by the Division. Permit issued thi ?#ie twenty-eighth day of August, 2000 'AL MANAGEMENT COMMISSION AKerr T. Stevens, Director Division of Water Quality By Authority of the Environmental Management Commission Permit Number WQ0018725 D, _DEC 2 7 `2000 DIVISION OF COASTAL MANAGEMENT 3 Rate of North Carolina .epartment of Environment and Natural Resources _?ivision of Water Quality James B. Hunt, Jr., Governor Bill Holman, Secretary Kerr T.'btevens, Director 4 ?? # August 28, 2000 `t7? _(-( WYATT BLANCHARD, PE, COUNTY ENGINEER NEW HANOVER COUNTY 414 CHESTNUT STREET. WILMINGTON, NC 27401 Subject: Permit No. WQ0018725 New Hanover County Middle Sound Regional Wastewater Facilities Wastewater Collection System Extension New Hanover County Dear Mr. Blanchard: In accordance with your application received July 3, 2000, we are forwarding -herewith Permit No. WQ0018725, dated August 28, 2000, to New Hanover County for the construction of the subject wastewater collection system extension. This permit shall be effective from the date of issuance until rescinded and shall be subject to the conditions and limitations as specified therein. This cover letter shall be considered a part of this permit and is therefore incorporated therein by reference. Please pay particular attention to Permit Condition 2, which requires that. the wastewater collection facilities be properly operated and maintained in accordance with 15A NCAC 2H .0227 or any individual system-wide collection system permit issued to the Permtttee. Please note Permit Condition 12 regarding future flow allocation to the subject wastewater collection system. Permitting of this project does not constitute an acceptance of any part of the project that does - not meet 15A NCAC 2H .0200; the Division of Water Quality's (Division) Gravity Sewer Minimum Design Criteria adopted February 12, 1996 as applicable; and the Division's :Minimum Design Criteria for the Fast-Track Permitting of Pump Stations and Force Mains adopted June 1, 2,000 as -applicable, unless specifically mentioned herein. Division approval .is based on .acceptance of the certification provided by .a North Carolina-licensed Professional Engineer in the application. It shall -be the' Pen-aittee's responsibility -to ensure that the as-constructed project -meets the appropriate design criteria aid rules. Failure to comply may result in penalties in -accordance with North Carolina General Statute §143-215.6A through §143-215.6C, construction of additional or -replacement wastewater collection facilities, and/or referral of the North Carolina-licensed Professional Engineer to the licensing board. 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 New Hanover County for the construction of approximately 80,990 linear feet of 8-inch gravity sewer, 27,520 linear feet of 10-inch gravity sewer, and 9,110 linear feet of -12-inch gravity sewer, a 1,070- gallon per minute pump station (No.l Buckeye) equipped with a hydrogen peroxide-based odor.control system, a 390-gallon per minute pump station (No.2 Falcon Point), a 230-gallon per minute pump station (No.3 Stoneybrook), a 200-gallon per minute pump station (No.4 Caudell), .a 180-gallon per 1617 Mail Service Center, Raleigh, North Carolina 27699-1617 Telephone (919) 733-5083 FAX (919) 715-6048 An Equal Opportunity Affirmative Action Employer ' 50% recycled/ 10% post-consumer paper NORTH CAROLINA DEPARTMENT OF eENVIRONMENT AND NATURAL RE%PURCES G WQC #3374 UTILITY LINE BACKFILL AND BEDDING CERTIFICATION GENERAL CERTIFICATION FOR PROJECTS ELIGIBLE FOR CORPS OF ENGINEERS NATIONWIDE PERMIT NUMBER 12 OR REGIONAL PERMIT 198100049 (UTILITY LINE BACKFILL AND BEDDING) AND RIPARIAN AREA PROTECTION RULES (BUFFER RULES) This General Certification is issued in conformity with the requirements of Section 401, Public Laws 92-500 and 95-217 of the United States and subject to the North Carolina Division of Water Quality (DWQ) Regulations in 15A NCAC 2H, Section .0500 and 15A NCAC 2B .0200 for the discharge of fill material to waters and wetland areas as described in 33 CFR 330 Appendix A (B) (12) and General Permit No. 198100049 of the Corps of Engineers regulations (i.e., including any fill activity for utility line backfill and bedding) and for the Riparian Area Protection Rules (Buffer Rules) in 15A NCAC 2B .0200. This certification replaces Water Quality Certification (WQC) Number 2664 issued on January 21, 1992, Water Quality Certification Number 3022 issued on September 6, 1995, Water Quality Certification (WQC) Number 3101 issued on February 11, 1997 and Water Quality Certification Number 3288 issued on June 1, 2000. This WQC is rescinded when the Corps of Engineers reauthorize Nationwide 12 or Regional Permit 198100049 or when deemed appropriate by the Director of the Division of Water Quality. The State of North Carolina certifies that the specified category of activity will not violate applicable portions of Sections 301, 302, 303, 306 and 307 of the Public Laws 92-500 and 95-217 if conducted in accordance with the conditions hereinafter set forth. Conditions of Certification: 1. Activities covered by this General Certification do not require written concurrence from the Division of Water Quality as long as they comply with all conditions of this General Certification and the conditions of Nationwide 12 or Regional Permit 198100049 as appropriate. If any condition in this Certification cannot be met, application to and written concurrence from DWQ are required. Also, Condition No. 6 is applicable to all streams in basins with riparian area protection rules; 2. In accordance with North Carolina General Statute Section 143-215.3D(e), any request for written concurrence for a 401 Water Quality Certification must include the appropriate fee. If a project also requires a CAMA Permit, one payment to both agencies shall be submitted and will be the higher of the two fees; 3. In accordance with 15A NCAC 2H .0506 (h) compensatory mitigation may be required for stream and/or wetland impacts. Streamside buffer mitigation may be required for any project with Buffer Rules in effect at the time of application for buffer impacts resulting from activities classified as "allowable with mitigation" within the "Table of Uses" section of the Buffer Rules or require a variance under the Buffer Rules. A determination of buffer, wetland and stream mitigation requirements shall be made by DWQ for any Certification involving written concurrences including those for relevant Buffer Rules; 4. The edge of the construction corridor shall not be installed parallel to and closer than 10 feet (3 meters) to a stream and 25 feet in waters classified as HQW. Utility lines shall not cross a stream channel at other than a near-perpendicular direction (i.e., stream channel crossings shall not be at an angle of less than 75 degrees or more than 105 degrees to the stream bank); WQC #3374 5. Any wastewater line that crosses any stream shown on the most recent version of the 1:24,000 USGS topographic map or NRCS (SCS) County Soil Survey as permanent or intermittent shall be installed with no joints connected within the footprint of a stream channel or within 2 feet of the stream banks. Otherwise, written concurrence from DWQ is required; 6. Impacts to any stream length in the Neuse, Tar-Pamlico, Randleman and Catawba River Basins (or any other river basins with Buffer Rules in effect at the time of application) requires written concurrence from DWQ in accordance with 15A NCAC 2B.0233,.0259, .0250 and .0243. Activities listed as "exempt" from these rules do not need to apply for written concurrence under this Certification. New development activities located in the protected 50-foot wide riparian areas (whether jurisdictional wetlands or not) within the Neuse, Tar-Pamlico and Randleman River Basins shall be limited to "uses" identified within and constructed in accordance with 15A NCAC 2B .0233-0259-0250 and.0243. All new development shall be located, designed, constructed, and maintained to have minimal disturbance to protect water quality to the maximum extent practicable through the use of best management practices; 7. Measures shall betaken to prevent live or fresh concrete from coming into contact with waters of the state until the concrete has hardened; 8. Herbicides can be applied in wetlands or other waters only when applied by a certified applicator, and in strict accordance with product labeling; 9. Placement of rip rap is restricted to the stream bottom and banks directly impacted by the placement of the utility line. Rip rap may only be used below the normal high water level. The stream cross section must be restored to its original grade and elevation. Placement of rip rap or other materials shall not result in de-stabilization of the stream bed or banks upstream of downstream of the crossing; 10. That appropriate sediment and erosion control practices which equal or exceed those outlined in the most recent version of the "North Carolina Sediment and Erosion Control Planning and Design Manual" or the "North Carolina Surface Mining Manual" whichever is more appropriate (available from the Division of Land Resources (DLR) in the DENR Regional or Central Offices) shall be in full compliance with all specifications governing the proper design, installation and operation and maintenance of such Best Management Practices in order to assure compliance with the appropriate turbidity water quality standard; 11. All sediment and erosion control measures placed in wetlands or waters shall be removed and the original grade restored within two months after the Division of Land Resources has released the project; 12. Annual native species suitable for wet locations shall be planted and established within jurisdictional wetlands for soil and erosion control. Perennials such as fescue are prohibited; 13. No fertilizer shall be applied within 10 feet (3 meters) of streams. Any fertilizer application must comply with all other Federal, State and Local regulations; 14. The construction corridor (including access roads and stockpiling of materials) is limited to 40 feet (12.2 meters) in width in wetlands and across stream channels and must be minimized to the maximum extent practicable; WQC #3374 15. Permanent, maintained access corridors shall be restricted to the minimum width practicable and shall not exceed 10 feet (3 meters) in width except at manhole locations. A 10 feet (3 meters) by 10 feet (3 meters) perpendicular vehicle turnaround must be spaced at least 500 feet (152.4 meters) apart. Written concurrence is required if the maintenance corridor is greater than 10 feet (3 meters) wide except that a maintenance corridor larger than ten feet is acceptable for gas pipelines as long as mitigation is provided for additional wetland fills to the maintenance corridor beyond those widths specified in this General Certification; 16. An anti-seep collar shall be placed at the downstream (utility line gradient) wetland boundary and every 150 feet (45.7 meters) up the gradient until the utility exits the wetland for buried utility lines. Anti-seep collars may be constructed with class B concrete, compacted clay, PVC pipe, or metal collars. Wetland crossings that are directionally drilled, and perpendicular wetland crossings that are open cut and less than 150 feet (45.7 meters) long do not require anti-seep collars. The compacted clay shall have a specific discharge of 1 X 10- 5 cm/sec or less. A section and plan view diagram is attached for the anti-seep collars; The following specifications shall apply to class B concrete: a) Minimum cement content, sacks per cubic yard with rounded course aggregate 5.0 b) Minimum cement content, sacks per cubic yard with angular course aggregate 5.5 c) Maximum water-cement ratio gallons per sack 6.8 d) Slump range 2" to 4" e) Minimum strength - 28 day psi 2,500 17. This General Certification does not authorize any permanent changes in pre-construction elevation contours in waters or wetlands or stream dimension, pattern or profile. The permittee will have a specific plan for restoring wetland contours. Any excess material will be removed to a high ground disposal area; 18. If an environmental document is required, this Certification is not valid until a Finding of No Significant Impact (FONSI) or Record of Decision (ROD) is issued by the State Clearinghouse; 19. Stormwater management will not be required for this Certification as long as all other Conditions are met. However, in the twenty coastal counties, the appropriate DWQ Regional Office must be contacted to determine if Coastal Stormwater Regulations still apply; 20. Compensatory mitigation (i.e., restoration, creation or preservation) for wetland losses will not be required for this Certification if written concurrence is not needed; 21. Payment of a dollar per acre figure into the Wetland Restoration Program for these impacts is acceptable when compensatory mitigation is required as long as the Wetlands Restoration Program agrees in writing to accept this payment. Other mitigation plans must receive written DWQ concurrence; 22. This Certification does not relieve the applicant of the responsibility to obtain all other required Federal, State or local approvals; 23. Additional site-specific conditions may be added to projects for which written concurrence is required or requested under this Certification in order to ensure compliance with all applicable water quality and effluent standards; WQC #3374 24. Concurrence from DWQ that this Certification applies to an individual project shall expire three years from the date of the cover letter from DWQ or on the same day as the expiration date of the corresponding Nationwide Permit 12 or Regional Permit 198100049 whichever is sooner; 25. When written concurrence is required, the applicant is required to use the most recent version of the Certification of Completion form to notify DWQ when all work included in the 401 Certification has been completed. Non-compliance with or violation of the conditions herein set forth by a specific fill project may result in revocation of this Certification for the project and may also result in criminal and/or civil penalties. The Director of the North Carolina Division of Water Quality may require submission of a formal application for individual certification for any project in this category of activity that requires written concurrence under this certification, if it is determined that the project is likely to have a significant adverse effect upon water quality or degrade the waters so that existing uses of the wetland or downstream waters are precluded. Public hearings may be held for specific applications or group of applications prior to a - certification decision if deemed in the public's best interest by the Director of the North Carolina Division of Water Quality. Effective date: 18 March 2002 DIVISION OF WATER QUALITY By Gregory J. Thorpe, Ph.D. Acting Director WQC # 3374 ti WQC #3374 ANTI -SEEP cOLLAR ff -?Ii - - - - ] inches f UtliftrUne iameter Varies) 1 foot 1 I I C Class B Concrete or Compacted Clay 6 inches rend, 1cfH 6 inches Not to exceed 40 feet SFCTi0N Cass F3 Concrete ter co mpacted Clay T 12 Inches 6 inches -•?- ?, r, 61nches L PLAN it- s ~~t4093 2 IIILrnI{I/1 'I I1' Qty ~ U ZYW dS \7 DIVISION OF COASTAL MANAGEMENT NEW HANG VE R NORTH CAR JUNE 2000 MCE PROJECT NO. 049 ¦ 010093 ~ FORCE MAIN FH FIRE HYDRANT ~ ~~R ~ ~ '0q CB CATCH BASIN s DI D P// ROP INLET ~ Q// Ml~i ~ SANITARY y ~i Q// t SEWER MANHOLE ~j/ _ W d~ 'q0 WATER LINE 90~'p ~ STORM DRAIN I INFlLTRATION IE * ~ r. # INVERT ELEVA110N ~ TOP ELEVA110N LF LINEAR FEET ~ ~ n DIP DUCTILE IRON PIP E PVC POLYVINYL CHLO ~ MPQR1"S•ExPQR S~~? ~ RIDE ELEV, ELEVAl10N ~H~STRY /<o GV GATE VALVE MIN. MINIMUM p ~ ~ N TYPICAL ~1~~ ~ HP ~ HIGH POINT P// 74 ~ a LP LOW POINT cP CONC. 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' 1 pHwy ! ~ ~ 1 t, i t x ( a 6 f ~ r ~ a t t a i`o i~ W~ b, e~ as ~ ~ ~'°.h A ~y. 9 : e~€ i, ~ ~ VISTA ~ f 1t ? ~ ~ ~ . ~ ~ ~ 4 q r z / ! a ~ r q tv.,n ~ 1. ~ o ~ ~,,'.4 , 6 E ST1NG 12 yr "t """r-~ J^,, ~ 1 °,.~y AIN TO ~ ~ ~ / ~r ~ ~ ,rte.. ,y ~ ~ t ~ s ~ ~'`°w INTERCEPTOR a .a 5, ~ f ..F ~ P38 b: f f ~b 'M, t.. ~ ~ r ~ 'o, , fir" oY e ~ y~9" ~ ~,y~` i ~ ~atr ,rY ~ ~ ~ ~ Y ' ~y »5 ~i"". p"~"j~ ~ ~ ~ ~ ~ ~t't 'a, l ( ~ of yes ~ ~ ~ ~ A , p f s. ~ ~ ~ ~ t l ~ ~ ~ ~ ~ a~ p # i< ~ ti # y; v ~ Amory. '"~•1 .....,...w-y w,p~ e { ,ter I f N^ • ~ ( I ~+~"v~`Y'6, ("Ay...~ ~ ~ "NN j t M,N.~'n "^ey r~+/ ~ ~ 0. ~ t,, . f dr $ ?N \ 4n 5 Yr,..hnC % dN, i r ~ afi V f d ,r S 7 ~ j ...,y9 i t ~ ~ G `y ~ y 4ATA 4 T' ! .,7' !~.F 1 ~ ~ 3 ~ t ~ ~ `w 4 as a,/ i r+ y~ ,,,y ;a,~ t~~ r ~ l ~ r h ; ~ h., ~ ~ ,Y ~ ~ : j?` 4 1 q `c~,~~` a, r ~ ! ° 1 E s` j ~ ( ~c* / qqq ~ ~ y C ~~''o ? ti I ~ ,a 1 ~ t Via' ~ ~ ~ .w.,.." Nw~ ve ~ „„,M ~ ''~.1.. E r' ave W ~ tiY J j~ ~ ; ~ ~ p , ^"w.,.,t V i y ~ ~ c ~\r'' ~ M, , r , .,x 1t ~ a ~ GRA Y SEWS R MAIN d e' ~ 5 t ~b ~ b S, ^vr,'ra ~ d t, r /C ry 1 ~ `~y~ ~ ~ JJ w `'~y°na 4 3~ f ~ r E ~ r we.. ~ ~ ~ , r ! ~ a E ~ ~ RCE MAIN 6 F ~ w., H ,r"' fir,..°!r, j ~i,, j a. { ! d ~ .a 4y~Y GENERAL CONSTRUCTION NOTES ' t ' ° ~ ~°bw. % ~ ~ % .F PUMP STA TION SITE a~ I. ALL UNDERGROUND UTILITIES ARE APPROXIMATE LOCATION. CONTRACTOR TO VERIFY SIZE / . ' ~s~ ~~aE i < DEPTH LOCATION AND MATERIAL OF ALL EXISTING UTILITIES PRIOR TO THE START OF ~ ~ 3 ~ CONST UCTION. CONTRACTOR SHALL CONTACT `NO-CUTS' MIN. 48 HOURS PRIOR TO THE START OF CONSTRUCTION (I-800-632-494q). t 1 µ A ~`a, o h~ y 5 ''j ~ i' I t, ~a. ~ ~ SHEET BLOCK CO 2. NTRACTOR SHALL COMPLY WITH APPROVED N.C,D.O.T. ENROACHMENT AGREEMENTS ~ ! ' y WITH ~ ~ ~ ~ WHILE WORKING WITHIN THE N.C.D.O.T. RIGHT-OF-WAY. ~ € , ~ ~ w PAGE NUMBER `w: P9~ 3. CONTRACTOR TO INSTALL EROSION CONTROL MEASURES PRIOR TO THE START OF ,r°. p ~ ~`'w. CONSTRUCTION. ° xs ~,.r 4. ACCESS TO EACH RESIDENCE AND BUSINESS SHALL BE MAINTAINED AT ALL TIMES, r w~ .h ~ ~ ~ ~ STO EY 5. LL DISTURBED AREAS SHALL BE RESEEDED WITH LIKE GRASSES IN RESIDENTIAL AREAS. ~ ~ ;~r M°'' ~ , B ~ OK P UMP STATI 0 ~ ~ r 6. TRAFFIC FLOW SHALL BE MAINTAINED AT ALL TIMES DURING CONSTRUCTION. SEE S ~ E N . 0 S5 ~ e ~ 7. CONTRACTOR SHALL RESET ALL DISTURBED MAILBOXES, SIGNS, ETC, F 1, ,l `yy R 1 S. CONTRACTOR SHALL REWORK ALL GRAVEL, CONCRETE AND PAVED DRIVEWAYS ACCORDING ~ ~t, TO THE SPECIFICATIONS. ALL CONCRETE AND PAVED DRIVEWAYS SHALL BE CUT iNITN NEAT STRAIGHT LINES, s~ p `w. < ~ ~ \ ~ 4 ~ q. CONTRACTOR TD MINIMIZE PLACEMENT OF EXCAVATION MATERIAL ON ROAD DURING CONS'T'RUCTION. F ~ f~~ ''r t ~ ~ 500 250 ALCON P , OINTE P Co UMP STATI NTRACTOR 0 ON T COVER ASPHALT WITH SAND PRIOR TD PLACEMENT OF EXCAVATED MATERIAL ON PAVEMENT. ALL STREETS SHALL BE CLEANED DAILY. SEE H ~ ~ 0 500 1000 S EET N0. Sfi ~w. r-"`'• lo. coNTRACro R SHALL NOTIFY APPROPRIATE PERSON AND AGENCIES TWO WEEKS PRIOR TO THE F ~ ~ J b, BEGINNING OF CONSTRUCTION. ~ 6 SCALE . 1 - 500 ~ ~ y t'~ NEW HANOVER COUNTY ENGINEER WYATT BLANCHARD (q10-343-7139) DAN SAMS, REGIONAL LAND QUALITY DIRECTOR (q10-3q5-3800) w ~ ~ y. F y~S A. II. CONTRACTOR TO PLACE ALL SPOIL MATERIAL ON THE UPHILL 51DE AWAY FROM ALL ROAD 510E DITCHES, CREEKS AND WATER COURSES DURING CONSTRUCTION. ~ ~,y W j ~ 12. ALL ASPHALT, CONCRETE AND GRAVEL DRIVEWAY CROSSINGS SHALL BE OPEN CUT UNLESS OTHERWISE r` Et i a, SPECIFIED. A ~4 ~ Ip~~~ ,,t r ~i y ,,k 14. ALL TRENCHING AND EXCAVATION OPERATIONS SHALL CONFORM TO OSHA STANDARD5. D.IG CONTRACTOR TO UTILIZE TRENCH BOXES AS REQUIRED FOR PIPE LAYING OPERATIONS. MAXIMUM TRENCH WIDTH IN PAVED AREAS SHALL BE THE PIPE OUTSIDE DIAMETER PLUS 16" INCHES. ~-"T" ~ ,ey9B000BBBBQggp~© 15. ALL PVC PIPE FOR GRAVITY SEWER SHALL BE SDR-26. ALL DUCTILE IRON PIPE SHALL BE °oo ENgNEERS• PUNNERS • SURYEYDNS Project No PROCTECTO 401-CERAMIC COATED DUCTILE IRON OR SEWPERCOAT. o CARY Ngi1N C ARgJNA 0494-0017 16. ALL PVC PIPE FOR FORCE MAIN SHALL BE SDR-21. 17. ALL ELEVATIONS SHOWN ARE MEAN SEA LEVEL. ® MW FLAMVER COUNTY Shoat Nos IS. CONTRACTOR SHALL REMOVE AND REINSTALL ALL PLANTING AND DEVICES IN LANDSCAPED 6m NOMli CAROLNA BB Doti 0 AREAS TO FACILITATE CONSTRUCTION. oAf V ypQ o ~~~BO DVol l5CRVrM DATE 1IIOBtlVO~ p9®~ MDDLE SOUND REG A' REVISIONS Z dv WASTEWA Tai FAQ WWVBEXrS of~ 5: \0494\0017\DWG\817ESV01. DWG ~e iF ,,~"r f OPERTY / EXISTING PR j / / / / ~ ,ff _ ~ . ~ a~ r l ~ ~ ~ f. / /'/1 / , f / J LINE TYP / N WETLA DS / ~ f ~ / ~4 ~ i J/ ~ ~ , ~ ~ ~ ~ f ~ ~ / ~ ` BEAN OUI'FALL Q' ~ MN gOAr ~ ~ x„- ~ i~'x / ~ ~ yN ~y~/~J. Ali ` / / 10 TYP I ~ ~ ~ h ~ ~ ,_xxx, ,d ~I / ~ . , / ~ ,r .,,..w ,.r.., ~ f f i I ~ ~ J i~ F~' 11+36.07 ~ STS. ~ 0 x~x x,.x ~ h~ ~ / ~ / ~ / ~ ~ / ~ n ~ B ~ ~ / ~ / / I ~ / ~ ~ / / ~ y t r i,-~ ~ ~~r, / ~ , / .F s ~ ~ /x / F ~ / :x~ ~ ~ / / / i ~ / A ~ ~ / s r / / r~ / ~ , `s i/ ~ ,F ~ 10 TEMPORARY ~ - i ~ / ~ e i . ~ , ~3 ~ , CONSTRUCTION ~ ~ ~ ~ , i . ~ , . ~ F, D"fv~ ? 9Vf ! / ~ F .i 7v~ ` ~ ~~f ~rt ~ da 1 / d~ ~ ~ d f.x \I:' A 1 / of / / / ~ "7r'~8 ~ % : \ ~i / ~ 6 M L_ ~r ~ ~ ~ i f ~y EASEMENT TYP ~ ~ r % ~ ~ ' . f w ~ ~ r i ~ x,~, ,~Y,y y`~ y+i~ ~ G / ,J' 9' / / l i' , / ~ / T -rt ~s Y ~ A A ire ~k, ~ v'f l i/ u'' ~ / / /6d / / ~ / , / ~ ~ "Tt f \ ' ~ h~ ~ / / ANENT UTILITY, . , i~ : d ~ F/ / s . ~ / / ' % / r / h ~ ~ Il s~ f F / / w, ~ ~ s~~ / ,t / ~ / / / / / ~ ~ ~ ~3 / ~ ~ J ,G` / ~ ~ / ~ \ r f/~a~ j / B' i ! y~ ~ i , / f6' / l ,A" f i / ,T~~~ / / ~ h~~i / 3 bsv /~i,' ~ s'~ ~ ~ % QQ ! ( f` ~ / ~ if ! f ~ f! ~ G f/ ~S ~ I / /3 ~ s'f k/ / / i~ hy~ / / ~ ( / i ~ .Y % / i ~S~ / ~ / ~ y6 ~V ' ~ ~ f /I / ~ \ 4 ~ G` / ~ 1/ + ~C % iJ y9 / V /!e / a~ ~ /F / ~ ~ / / iy ~l i / / ~ / / ,j 9e ~ / i ~ /fro dFi ~ / i i' ..ti, , ~ ' ~ ~ / / ' / 7 h.9 ! ~ .6' i ~ ,f ,r/ ~ ! / ~ ~ fir` i , r h~ / ~ / / ~g h. / / . / ` ,y" /i h ( / ~ ! ~ / ~ / 1 V' ~ ~ F / / / ~ / / / ~ / of / / p' ~ ~ ~ i of ~ f J F` . ~ - s ; ~ / / ` , ; ~ a~ / ~ h ~ ~ - L ITS TYP ~ C ~ ST` ONE , , , ~ ~ / ,r ~ ; ` ; r ~ ~ ; ~ F~/' 1 ~ ~ ~ i / / ~ ~ `rv l d~~ / , a' / / , r.T BpC~C OOU~I' EASEM ~ ~ ~ ~ , ~ / . / , ; , ~ ~ t / / ~ ~ y/~ y ~ / hh / i ~ ~ / ~ % ~r / J UNITARY SEWER / , , ~ ; . ; EE SI-{EET Pq2 =-f l ~ h~ ~ ; ! i ~ / i ~ t ~ ~ ! / ! ~ i ~ q r ~ s` ? ~ INUA ION ~r:- ~ / ~ ,i ; , , , OR CONT T F,M ~ h~ i ~ ~ ~ \ ~ ~ r ~ i ~ ~i''~ , / 1„~ ~,f , ~~a' WHIR / ~ h i r d~f i~ ! ~ /i~ ~i x~,E~ SANITARY f f SEWER i ~ SEE SHEET Pql / ~ STA. 15+56.Iq b. ~ ; ~ 3-, J SEE ' ; i ~ ~ ~ , ~ ' 4 228 46 24 ~ ~ ~ \ > a ~ , ~ ~C~ F~ l f - / / ~ ::i~~ ~f: ~ / / ~/J \ ~ , , ~i . / r' rn ~ x ; ~ ~ ~ . / ~ PROPERTY ( .:r; ~ / J fit" ~ c I`" ,s~aA / / ! f.~ , ~ LINE TYP , s' s f ` ~i - 10 N ~ - ~ - - NY f } ~ ' i / f ~ ~ - - ~ 6 + ~ ~Y' 3Y f r ~ r ~ ~ ; s ~ r / - - - - ~ - - s r ; \ ~ - - - ~ ~ - - ~ ~ ~FS~; . ~ STS ~j , 3~' / / 122' 1~ NOTE: AT NO TIME DURING CONSTRUCTION SHALL SPOIL 1`iN 03 q OR EXCAVATED MATERIAL BE PLACED OR STORED IN WETLANDS. :TLANDS. STA. 17+2q.31 CONTRACTOR SHALL PLACE ALL SPOIL MATERIAL IN UPLAND OR .AND OR ~ I;ZI 38 44 NON-WETLAND AREAS OF THE CONSTRUCTION EASEMENT. 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CONTRACTOR TO VERIFY SIZE, pEPTH MATERIAL ANO LOCATION OF ALL T, CONTRACTOR 9HAl.L REMOVE AND REINSTALL EXISTING FENCE(S) AS REQUIRED FOR I UNDERGROUND UTILITIES PRIOR TO THE START OF CONSTRUCTION. AS A RESULT OF CONSTRUCTION SHALL 8E EXIST NG CONSTRUCTION. ALL FENCE(S) DAMAGED SCdK AND REPI.ACE/REINSTALL EXISTING DRIVEWAY REPLACED WITH NEW FENCE(S) OF LIKE MATERIALS BY THE CONTRACTOR. CONTRAGT~2 2. CONTRACTOR SHALL REMOVE AND MATERIALS AS REQUIRED. 1"=50' HOR PIPES AS REQUIRED TO INSTALL GRAVITY SEWER. SHALL FURNISH ALL LAQOR 8" & 10" PVC GRAVITY SEWER STA. 5+00 TO STA. 20+00 1"=5' VERT 3. CONTRACTOR SHALL 8E RESPONSIBLE FOR BRACING/SUPPORTING POWER POLES 8. ALL DUCTILE IRON SNAIL 8E LINED WITH PROTECTO 401 CERAMIC LINING AS REQUIRED TO FACILITATE CONSTRUCTION OF THE C,RAVITY SEWER. OR SEWPER COAT LINING. KAK ING RESTORING AND/OR i i i i 4. CONTRACTOR SHALL 8E RESPONSIBLE FOR REPLAC , TERMINATION MANHOLES SHALL BE FIELD ADJUSTED/LOCATED AS REQUIRED TO 50 25 0 50 100 CAR / 100 00000 Q~ 7 AWB A A ENT MARKINGS AND STREET ADDRESSES PAINTED ON D(ISTING 9• REPAINTING LL P VEM ~ ~ t e°B ~ /i ~ o~ESSf® ProfeCt Na ri iQa t r.~ l'f"1'FI? nRl ITFQ4TFD DURING CONSTRUCTION. THE CONTRACTOR SHALL ENSURE ADEQUATE 5EWER SERVICE. . ,.F A.., ~ ~ ~ cwyumc. M ~u~r"c. ~NUCVnc FURNISH ALL LABOR AND MATERIALS -AS REQUIRED 2- aunRO Sono, GARY, roc iisn S- CONTRACTOR SHALL BE RESPONSIBLE FOR REPLACING ALL OF THE NEW HANOVER HORIZONTAL : I" = 50' 501 0494-0017 COUNTY HORIZONTAL 'CONTROL POINTS' ESTROYED DURING CONSTRUCTION NOTE o o fShad Na THAT THESE EXISTING NCONTROL POINTS ARE NOT SHOWN ON THE CONSTRUCTION PLANS. N VER . COUNTY I 2 GI 'e: IT SHALL BE THE CONTRACTORS RESPONSIBILITY TO LOCATE, VERIFY AND REPLACE 5' 2.5~ 0 5' THESE 10~ 'CONTROL POINTS'. THE CONTRACTOR SHALL FURNISH ALL LA50R AND 10 ~1p'°Nj0 NOR'TH CAROLINA P87 MATERIALS AS REQUIRED. 9BIP1V1lidi MDDLE SOUND REQKONAL 6. CONTRACTOR SHALL REBUILD AND RESTORE ALL HEADWALLS DESTROYED DURING REV N0. DESCRIPnON DATE REVISIONS Iz) WASTEWATM FACLITE3 LFROVEMENTS CONSTRUCTION 70 tHE ORIGINAL CONDITION PRIOR 70 CONSTRUCTION. CONTRACTOR VERTICAL I" = 5' 5 5:\0494\0017\DWG\817E8Pl00.dwg SHALL FURNISH ALL LABOR AND MATERIALS AS REQUIRED. I - CENTER WETWELL ' - - STA. 22+Iq.43 F.. ~ - - - r~ x~ ~ ~ F 17.8q LF ~ . _ , / / / ~ .dy " ~ i 12 S.S. ~ s ,J3 ~ GRAVEL ACC ~ ' f ~ ~ i ~T . x _ i ROAD , %i" ~y~ / ' ,T~x 6 45 MJ B N ~ ~ ! ~ _ ~ ED / ; ~ / . ~ i i 9 J ~ ' ; 'r / 3y r ~ ~ ~ f ~ ~ ~ ~ 3 I ~ / ~ k 2 SS , ~ s~ ~ , / ~ ~ f ~ / ~ ~ ~ ~ ~ r ,y'~,a' / ~ 95 p A / ~ ~ / ~RF ~ < ~ ~ / / / ~ d ` / ~ ~ / ~ ~ ~,h. ~ ~ ~ ;F i ~ ~ ~ ~ ~ ~ / ' I ~ i ~ / fi ~ / y / ~ 1" / , ~ t ~ ~ , ~ ~ ~ gr,,...,.....~....~.... , . , , PLA ~ ~ • ~ ~ ~ / 1 ,y ~ ' / ' y va ~ ~ V ~ g ~ ~ ~ ~ ~ / ,1, ~ l Z f i ~ ~ 5 F WETLANDS ~ ~ ~ / }I / p/~ ! Jlla ~ •~g ~ ~ ~ EQUALITY , y~ ~ , / ~ f I in~. ~ ~ ~ ~ 1 ~1L1 STATION ~ / ~ ~'S 4 ~ i ~ H...~„,~..,%' v ~ MH q04 . ~ , ;EAD ~ ~ 6' i MH g04A ~ , / , 1d ~ 1' STA. 20+65,57 % 100 ~ ~ . Q i;. ~ , . ~ ~ - ~ ~ , ~ y{ , 1~2 27 00 ~ / ~ l" / ~ Qy / ~ SI ~ ~ F . ;I~ A ~ / ! F F ~ / S I~ ~ ~ C4 ~ u~ ~ ~r ~ ii ` , ; , s , I, r~ / / I ~ / i fi f ' - ® , ~ TE AT NO TIME DURING CONSTRUCTION SNAL S 01 i F , COMBINATION AIR/VACUUM AND ~ / OR EXCAVATED MATERIA ~ ; ; L BE PLACED OR STORED IN WETLANDS. ~ - ~ ~ / I AIR RELEASE VALVE IN MAHOLE //.I b CONTRACTOR SHALL PLACE ALL SPOI - L MATERIAL IN UPLAND OR ~`~`M. ~ ~ ~ ,r ~ ~ NON-W ETLAND AREAS OF THE CONSTRUCTION EASEMENT. " ~ ~ , \ \ / i 2 25 ~ ``y ~ / ~ ~w 7 LF ;F ~ MN q06 ` LINE BACK ~.u MN 04A STA.6+67,gq q S i / • + 135'43'42" EQUALITY BAD 0~lTFALL ~ ; ~`/i i / , STATION MN 412 LINE AHEAD CLEARING / ~ ~ / ~ STA. 8+80.24 S I+00 LIMITS TYP 80.24 F ,b ~ SE~~ MEET 5751; ~ 57'51 w / ~ / / /i; i ~ ~ o Q ~ p /1 Z r i / ~ ~ r / ;~P Z J ~ J Z O ~9 w ~ Q' - N ~ 3 ~ ~9NN . . I t1' Z~ m +,NN a I~ ~ I I E ~o i O ~ h N ~ 3 N ~ ~ • N h + +I ~ is O , ~ o^ NNa •m ~ toI N r NN ZZ (Y . N N ~ • w0 ~ ~ z N o 3 N II w~ Z I I ++I M - .H N N +O I ~ • ~ I N I I N' . 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CONTRACTOR TO VERIFY SIRE, DEPTH, MATERIAL AND LOCATION OF ALL 6, CONTRACTOR SHALL REBUILD AND RESTORE ALL HEADWALLS DES TROYED DURING 12" PVC GRAVITY SEWER STA. 1+00 TO STA. 8+80.24 1~°50' HOR „ 1 -5 VERT EXISTING UNDERGROUND UTILITIES PRIOR TO THE START OF CONSTRUCTION. TO THE ORIGINAL CONDITION PRIOR TO CONSTRUCTI ON. CONTRACTOR 6 PVC FORCE MAIN STA. 1+00 TO STA. 8+70f 2, CONTRACTOR SHALL REMOVE AND REPLACE/REINSTALL EXISTING DRIVEWAY SHALL FURNISH ALL LABOR AND MATERIALS AS REQUIRED, PIPES AS REQUIRED TO INSTALL GRAVITY SEWER, ~ KAK . CONTRACTOR SHALL REMOVE AND REINSTALL EXISTING FENCE(S) AS REQUIRED FOR 3, CONTRACTOR SHALL BE RESPONSIBLE FOR BRACING/SUPPORTING POWER POLES ,ALL FENCES DAMAGED AS A RESULT OF CONSTRUCTION SHALL BE ~ ~ ~ ~ `~,,g`0191111?~~~~,/ ? Chednd: 50 25 0 50 100 AS REQUIRED TO FACILITATE CONSTRUCTION OF THE GRAVITY SEWER. REPLACED WITH NEW FENCE() OF LIKE MATERIALS BY 7HE CONTRACTOR. CONTRACTOR ~ ~H CARS ~ AWB 100 ~ ~ 4. CONTRACTOR SHALL BE RESPONSIBLE FOR REPLACING, RESTORING AND/OR 514ALL FURNISH ALL LABOR AND MATERIALS AS REQUIRED. ee®o ®~y"vlUa ENGINEERS- PLANNERS. SURVEYORS rrcpcc no: REPAINTING ALL PAVEMENT MARKINGS AND STREET ADDRESSES PAINTED ON EXISTING 8. ALL DUCTILE IRON SHALL BE LINED WITH PROTECTO 401 CERAMIC LINING I" NOW 5625 DILLARD ROAD, CARY, NC 27511 I CURB t GUTTER OBLITERATED DURING CONSTRUCTION. THE CONTRACTOR SHALL HORIZONTAL : 1 = 50i FURNISH ALL LABOR AND MATERIALS AS REQUIRED OR 5EWPER COAT LINING. 0 J 0494-0017 wt Na S. CONTRACTOR SHALL BE RESPONSIBLE FOR REPLACING ALL OF THE NEW 14ANOVER q. TERMINATION MANHOLES SHALL BE FIELD ADJUSTED/LOCATED AS REQUIRED TO -97 12 9t 0 NM HANOVER COUNTY COUNTY HORIZONTAL "CONTROL POINTS' ESTROYED DURING CONSTRUCTION NOTE 5~ 2.5' 0 51 10~ NORTH CAROUNA ,Q ENSURE ADEQUATE SEWER SERVICE. THAT THESE EXISTING 'CONTROL POINTS, ARE NOT SHOWN ON THE CONSTRUCTION PLANS. oNy NJ. P87A IT SHALL BE THE CONTRACTORS RESPONSIBILITY TO LOCATE, VERIFY AND REPLACE ERE THESE CONTROL POINTS O. THE CONTRACTOR SHALL FURNISH ALL L;&&k AND REV NO. DE9DRIP110N DAiE /'/'I]l cd~a9ar~ MDDLE SOUND REGMAL MATERIALS AS REQUIRED. VERTICAL : 1~~ = 5' REVISIONS 2 14 o~ WASTEWATER FA 1 CII..II'ES ~IPROVEMENTS S:\0484\0017\DWG\817E8P101.dwg E ~ i ~ i ~„,r'S Y 5 E 5 ; e 1. 4 ~ l i~ 4 ~ eb a MN54A ~ ~ 'Q 3 e ~ 4 i. 4, STA, 3 . ~ tt t `i~ ~ f d ~ PS~,t, ~~a a 4 ~ "{u ~ LNE A ~ 35 f o' i . ~ 55 ' ~ 4 TA. I+00 ti b..F"r ( ' ~ F a ~ ~ ~ 't + i Yom' ~ ! E G e ~ ' ? ' ~ o.. ~ ~ o.,? m ;S' u . , ~ A. ? ..?m. M..... ' ..ii. i ....a.. - --~t- .z 2 .25 LF ~ ' - - - - - _ ~q - l SEMI LJ~E B ! a1 fi . 3 a a~ . M 55 ~ ~ y9p. ~ t ~s ; ; r STA. 5+00 , ~j. 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''.,~'^aw ~ 'r i '2 ~'q, '3 ~o, o~ 4, P. 1414q 25 ~ FUTURE GRAVITY .yi ` ~ , 4 F SEWER SY OTHERS ~ < ~ - g 12 PVC FORGE MAIf~ ~ ~ ~ ~ P`` s ~ ;`~b'Y y} I.r.n ~F... k't~ \ ~4~ iyw~ ~ ~ ~ ~ ~ ; p~"g a.~ ~.q ~,4sy ~.b"y: f ~ >i N ,f Y ~ i SEE E ~ ~ 3 3 ~ E ~ , ~ f'.y,.,v j r~~~ 'a~ S ~ k y~y a ~ ym~ ~`s ~ ~ a t 1.00 ~ , , I ~ r- T ~ ~ .~s ~ 177 26 ~ ,,a,. ~ ,SOIL GR~V~EL DRIVE 122'25'42" ~ .o.. t 1 ~ j ~ ~ , t ~ v. , ~ ~ ~ \ f rh+ • ~ r °~W CF r ~ N~~ -Rl ~..t ~~~~a§~~.~~ 365.gq LF S S.S. . . _ _ _ - _ - - - , ; ; ~ ~ WETLANDS ~a' Y.^« ~ % ~ ~i~ .k hn `e`'ty N .f ~~O.p~ ~ l ~i ~iT~ ~ ~ ~ 1 e 3~ /y r ! '°te~.~ a3~ 3.°" ~ n l / O f~~3 i ~t iil /+„,E O ~.f O N' ~ ~ ~ + ii+ ~ ~ 4. ~ 0 n.. 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CONTRACTOR TO VERIFY SIZE DEPTH MATERIAL AND LOCATION OF ALL LINE A 8' PVC GRAVITY SEWER STA. 1+00 TO ~ INSTALL ALL I'1ANI.4OLE5 ON STA. 6+86.03 EXISTING UNDERGROUND UTILITIES PRIOR TD THE START OF CONSTRUCTION, LINE B 8" PVC G i 5 v~r THIS SHEET U RAVITY SEWER STA. 5+00 TO STA. 13+18,62 FL SN WITH THE EXISTING GROUND ~~s 2. coNTRACToR SHALL REMOVE AND REPLACEiREINSTALL EXISTING DRIVEWAY 50' 25' 0 50' loo' ,,,,~~?,?~~?'o,,,, a` N GARq ®~e, V PIPES AS REQUIRED TO INSTALL GRAVITY SEWER. ENGINEERS @ PLANNERS* SURVEYORS 0~ ADO CARY, NORTH CAROLINA 00 a04q4- 17 7 3. CONTRACTOR SHALL BE RESPONSIBLE FOR BRACING/SUPPORTING POWER POLES HORIZONTAL i" 50' AS REQUIRED TO FACILITATE CONSTRUCTION OF THE GRAVITY SEWER. 1 NEW Sheet No, ® VER COUNTY 5' 2.5' 0 5' 10' INV y •MGCOb~O~ NO WH CAROUNA P21 REV NO. DESCRIPTION GATE NDDLE SOUND RE{ KM& VERTICAL : 1 u 5' REVISIONS I Z t WASTEWATM FACIA ~IPROVEMENTB 5: \04cI4\0017\DWG\817E8P41. DWG ,r/ a,~ ~ l; v, i~ ~ A, S i S ~ f t ~ ''G V .n NS D } 2 ~ 3 S {{t I f f i b < ~ ~ ~ ~.n„. r} ~I j t 'c J t f 3 ~ ~ I ? ~ ~d xa ~ 6 ~ ~ S ~F.F.20.3q I £ ~ ).3q r ~ i 3 f u II F4 WEAL f I WALL r ~ ,~1 i ~ r , I ~ ~ ' N 4 ` ~ ~ ~ ~~4=~' ~ y ~ f ~ ~ i CLEARING 80UTH BRANCFI ~ ~ 's ~ e LIMITS TYP ~ i SAMTARY ~ ~ ~ ~ ~,,,,,,w~. ~ t o 3 t ~ ~ y SEE SHEET P22 Z ~ ~ lqq 48 42 .M. ~ 4 ~ ~ 4 , z ~ w ~ ti WETLANDS ~ e S ' y ^ „w. ~~"o`~~°~° ( ~ . g3'36'27n L+ I y~, ~ ; ~ ~ 8 S I ,N~ ? WELL I j,2 i. . ~ `^I ` t y ' \ A ~ o n, q 'sue" f 9 r" pZ . s ~ ~ ~ i ~ dr i , ~ ~ 7 , ~ ~ k 4.,3 ~ -:w 1 ~ ~0. , . ~ ~ ~ - ~ E ~.,,y ~ Y ~ ~ iJ„ ~,ti q4 04 3q ~ 5 TE F CONSTRUCTION r M 24q D wE1:L EASEMENT TYP ~ i I I ~ ~ STA. 24+5q.3 ~t ~I BRANCH ROAD ; - ~ k i j 1 I MN 213 ~ w~ a .~H ~ 1 s, ~ 164 4 55 $ OF EOP ~t, o t ~ STA, lb+g4.3b v ~ _ 30 PERMANENT UTILITY i ~~°~M MN 203A E£ q OFF EOP ~ ~ - ~..M , ,.~M..,..~.~...~ ~ ~ EASEMENT TYP I .M a, s~ STA. 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ALL FENCE(S) DAMAGED AS A RESULT OF CONSTRUCTION SHALL BE 3, CONTRACTOR SHALL BE RESPONSIBLE FOR BRACING/SUPPORTING POWER POLES REPLACED WITH NEW FENCE(S) OF LIKE MATERIALS BY THE CONTRACTOR. CONTRACTOR AS REQUIRED TO FACILITATE CONSTRUCTION OF THE GRAVITY SEWER. HORIZONTAL : I" = 50' SHALL FURNISH ALL LABOR AND MATERIALS AS REQUIRED. e~ 1"•50' .NOR 4. CONTRACTOR SHALL BE RESPONSIBLE FOR REPLACING, RESTORING AND/OR AIN ON ISTIN 8, ALL DUCTILE IRON SHALL BE LINED WITH PROTECTO 401 CERAMIC LINING ~ ~ ~ ~ 8" PVC GRAVITY SEWER STA. 16+00 TO STA. 24+59.36 i"„5' vERt REPAINTING ALL PAVEMENT MARKINGS AND STREET ADDRESSES P TED EX G GU ~ U I E TED DURIN CONSTRUCTION. THE CONTRACTOR SHALL OR SEWPER GOAT LINING. RB G TTER OBL T RA G 5 2.5 0 5 10 FURNISH ALL LABOR AND MATERIALS A5 REQUIRED q. TERMINATION MAN+~IOLES SHALL BE FIELD ADJUSTED/LOCATED AS REQUIRED TO KAK 5. CONTRACTOR SHALL 8E RESPONSIBLE FOR REPLACING ALL OF THE NEW HANOVER ENSURE ADEQUATE SEWER SERVICE. VER ca~pS COUNTY HORIZONTAL "CONTROL POINTS" DESTROYED DURING CONSTRUCTI(~I NOTE mo® NOaOaea~~~ ®/B V AWB a sae oa 'Y s / u-.- .~.~.~.-rnl~ q~~~lt~~~ r~~ui~rrtl inr ?InT ~"I In1.1?I /161 7110 P/161Ct~11/"TI/1L1 OI A61C I HAN I I tl== rXlz;o 1 lrif4 t vr,4 I RVL f'VIIV 1 HR IVV I anvrvly %AN I WIVJ 1 RVV 1 IV1v i- ee Q( ENGINEERS PLANNERS SURVEYURS IT SHALL BE THE CONTRACTORS RESPONSIBILITY TO LOCATE, VERIFY AND REPLACE o CARY, NORTH CAROLINA 0494_0017 e i e i THESE CONTROL POINTS". THE CONTRACTOR SHALL FURNISH ALL LMOR AND MATERIALS AS REQUIRED. 2 512 Sheet No: % NEW HAWVER COUNTY 0 ^u~1 m•••11~1`I0em Q',a ®ye NORTH CAFMNA W. P24 Y i P 81 B 1911 REV NO. DE9CRIP'1'ION DATE MIDDLE BOUND RE( 4L REVISIONS 2 14 WASTEWATER FAMMES IMPROVEMENTS 5: \0494\0017\ DWG\517 E5P53. 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LI E SACK CONTRACTOR SHALL PLACE ALL SPOIL MATERIAL IN UPLAND OR STA. 1+14.21 EQUALITY LINE AHEAD STATION 1 MN g03B NON-WETLAND AREAS OF THE CONSTRUCTION EASEMENT, NOTES: LINE AHEAD I ~ ~ ~ 50 25 0 50 100 6 .CONTRACTOR SHALL REBUILD AND RESTORE ALL HEADWALLS DESTROYED DURI 1. CONTRACTOR TO VERIFY SIZE, DEPTH MATERIAL AND LOCATION OF ALL >'ED DURIN DMSIOW G CONSTRUCTION TO THE ORIGINAL CONDITION PRIOR TD CONSTRUCTION, CONTRAt EXISTING UNDERGROUND UTILITIES PRIOR TO THE START OF CONSTRUCTION. CONTRACTOR u = ~ , , , HORIZONTAL . I 50 SHALL FURNISH ALL LABOR AND MATERIALS A5 REQUIRED. 2. CONTRACTOR SHALL REMOVE AND REPLAGE/REINSTALL EXISTING DRIVEWAY „ F~6 I9gB PIPES AS REQUIRED TO INSTALL GRAVITY SEWER. 7. CONTRACTOR SHALL REMOVE AND REINSTALL EXISTING FENCES AS REQUIRED 10 PVC GRAVITY SEWER STA. 1+00 TO STA. 6+43.08 (,1 CONSTRUCTION. ALL FENCES DAMAGED AS A RESULT OF CONSTRUCTION SHAL REQUIRED FOR 5' 2.5' 0 5' 10' IN°~' 10 PVC GRAVITY SEWER STA. 1+14.21 TO STA. 10+75 Ip~51 vet 3. CONTRACTOR SHALL 8E RESPONSIBLE FOR BRACING/SUPPORTING POWER POLES REPLACED WITH NEW FENCE(S) OF LIKE MATERIALS BY THE CONTRACTOR. CON 'ION SHALL BE a,,,r„ 6 PVC FORCE MAIN STA. 1 +05 TO STA. 5+60f AS REQUIRED TD FACILITATE CONSTRUCTION OF THE GRAVITY SEWER. SHALL FURNISH ALL LABOR AND MATERIALS AS REQUIRED. TOR. CONTRACTOR VERTICAL : I" ~ 5' Ib9111119) cMK 4. CONTRACTOR ~-IALL BE RESPONSIBLE FOR REPLACING RESTORING AND/OR ~~`'~I` CAR ~ 8• ALL DUCTILE IRON SHALL BE LINED WITH PROTECTO 401 CERAMIC LINING REPAINTING ALL PAVEMENT MARKINGS AND STREET ADDRESSES PAINTED ON EXISTING ~~~.a~o QB NG ~e ®eme o ~ m~ v AWB . • _ _ - • _ • - _ - nt~ crl.lnrn r•ne-r I IAl1Al/• WKtS C GU I T ER OBLITERATED DURING CONSTRUCTION. THE CONTRACTOR SHALL ~ ~ riR wn i 1.uvn1v. ®m p ENGINEERS* PLANNERS* SURVEYORS rrv jec>, ivv9 FURNISH ALL LABOR AND MATERIALS AS REQUIRED 9. TERMINATION MANHOLES SHALL BE FIELD ADJUSTED/LOCATED AS REQUIRED T 5. CONTRACTOR SHALL BE RESPONSIBLE FOR REPLACING ALL OF THE NEW HANOVER ENSURE ADEQUATE SEWER SERVICE. ~U I RED TO g CARY, NORTH CAROLINA 0484-0017 ® 2 0 COUNTY HORIZONTAL "CONTROL POINTS" DESTROYED DURING CONSTRUCTION NOTE INSTALL WATERTIGHT SEALED MANHOLE Sheet Not ®9.F ~ N R COUNTY p.,NGIN~eO~. THAT THESE EXISTING "CONTROL POINTS" ARE NOT SHOWN ON THE CONSTRUCTION PLANS. COVER ON MN 902 MN C103 MH 105G NOM Q'`t s~' so®®em d®\yt Cj/1f7VL.1M IT SHALL BE THE CONTRACTORS RESPONSIBILITY TO LOCATE, VERIFI' AND REPLACE i 1 so,s/OAIY W - P60 ,~e1 91117 \ oD THESE "CONTROL POINTS". THE CONTRACTOR SHALL FURNISH ALL LABOR AND MH 105A, MH 906, MH X1071 MN q08. REV No. DIMCRI"M DA MIDDLE SOUND REGIONAL Z MATERIALS AS REQUIRED. REVISIONS 19t WASTEWATER FACILITIES IMPROVEMENTS 5:\0494\0017\DWG\617E5P39. DWG N NON-POTABLE WELL 12" FORCE MAIN 3/4" P.E. WATER LINE ELECTRICAL RACK 3/4" YARD HYDRANT PROPERTY CORNER (~P) TO BE LABELED AS NON-POTABLE WATER ~ ~ CABLE HOLDER (S.S.) 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EACH WAY ~ ~ I ~ , ~ W~1'LANDS EDGE OF WETLANDS - - - Q a ~ 12" SANITARY SEWER ~ U I'- - - - - (n U~ Z~ ; -s . ~ - ~ C7 Z fo:~::G~ii$ i:: ,ai, ~ MIDDLE SOUND C7 - ~ Q- Z ~ .....f...:...::~::::::~::::: ~:.:::::.:~.:d:: SILT LOOP ROAD - tl ~ :~~:I~F#'!' FENCE ~I, 4 ,r.- ~JtL :::.:.::~1:::::~: ~ SANITARY SEWER a SEE SHEET P6 m; AINLINK FENC 6' CHECK VAL ' x 6' FL TEE SEE ETAI L SHEET ALUMINUM AC ESS DO R MATH BLIND FLANGE ~ " HALLADAY 2 x 60 MIN,) GUIDE BARS ~ OR EQUAL ACCESS ALL BE 6" GATE VALVE (TYP) _ 106,55 LF 12 S.S. ~ s LOCKABLE W/ PAD LOCK) ~ WELL S~ SEE PROFIL HI n 0 I I SANI ( T S SHEET 1 TARP SEWER ~ PRECAST CONCRETE ~ 4 SEE SHEET P23 ~ 6" FL 90' BEND VALVE VAULT MIN. 6'W x 8'L INSIDE DIMENSIONS a~; DEPTH AS REQUIRED IuDDLE 901~D Z ~ ~ CHECK ER b~. 5 DAB°, LOOP ROAD I ~6 , ~ ~ SANITARY SEWER ~ ~ N i w 12 FORCE MAIN ~ ~....,,w.,v w-~ { ~ NOT TO SCALE SEE SHEET P6 ~ -~'ROPOSED CONTOUR ~,w M M~ ;;wm ' W/ELEVATION TYP - . ~ ~,w ~ ~ , ,H~~ w~;,~~. ~ a ~~v ~ 12 q0 ~ EE SHEET e: ~;;,~-r ` MIDDLE SO ~ ~ A I M;~ GR V TY S / D BLE LEAS ~ ~ ~ ~ GATE- SEE DETAIL SHEET . _ ~ M .mow , = ~4 I NSTA LL 60 LF 18 RCP , ~ ~ 0.5X MIN „~-N ( ) OR AS REQUIRED .~.,w E ORD DRIVE ,x m ~~!NITARY SEWER SEE SHEET P40 ALUMINUM AC ESS 0 R ~ Q ~M a,.~ 'g HALLADAY 72 x 60 MIN.) OR EQUAL (ACCESS ALL BE LOCKABLE W/ PAD LOCK) r a HALLADAY ~ ~'"-r ALUMINUM ACCESS"DOOR" OR EQUAL MIN. 48 x 48 NOTES ,1 (ACCESS SHALL BE LOCKABLE) 1- .~;r~~ I. CONTRACT SHALL FINE GRADE PUMP STATI a..; 6' VENT PIPE WITH = SITE AND G VEL ACCESS ROAD FOR POSITIVE NON-FERROUS 3,E~y INSECT SCRE N ~ V~ E 20 20 UPPER GUIDE BRACKET TOP SLAB = 13.0 GROUND ELEV. = 12.5 "TF3 ~~~.r,., m~ OPE " a i SL , M"~"~... SCALE: 1 = 30 NOTES 1 ","m. 1~ r f t 1. REFER TO SHEETS OI CABLE , ~ ~ ~"`"a,..,.mm., HOLDER :i~: MIN. 12 LONG MIN. 4 _ E , E02, E03, E04 FOR PUMP STATION ELECTRICAL DETAILS (S.S.) FLANGED COUPLING ADAPTOR COVER ";~"_.~~~~~T~__~... "m"~ ~ 2. REFER TO SHEET 0 E 4 FOR ACCESS LADDER DETAIL FOR PUMP STATION WIDE .",~"..w",..~.w,w."~ ~ _ ~ WET. Iryn~~ ~~L y 6' SWING CHECK VALVE ~.,.~r~ ~--1~z~°' BAR ~ ~ PRE-CAST REINFORCED ~ 'V" .any .anw,.t~~i7 _.~m f 3. WETWELL SHALL BE COATED WITH SEWPER COAT OR STRONG SEAL HP ON ALL CONCRETE TOP OWER CABLE (S.~) " ,°...~~'~~'~m 6 PLUG VALVE RF - 10 INTERIOR SURFACES, 12 FT. ID WELL" ~ -mmm.m..~M.~-"- s~..~~ PRE-FABRICATED ~mM 4. UNLESS OTHERWISE S m~. PECIFIED ALL METAL WETWELL COMPONENTS, A.' '?n n REINFORCED CONCRETE ~ ~m HARDWARE, AND FASTENERS ~NALL BE CAST IRON G I , DU T LE IRON OR 304 TWELL 8 ~.~m STAINLESS STEEL OR BETTER. ~,a~~,", "n,"" ~ 5. UNLESS OTHERWISE SP ~y;.,. ter; ~e~.M „ EGIFIED ALL CONCRETE FASTENERS TO BE 316 STAINLESS STEEL WEDGE ANC~IORS TYP ALUMINUN OR STAINLESS ~ ~ ~x~ ~r. ` ~ GROUT FLOOR TO DI DISCHARGE mmm~~~°"•~• " ( STEEL LADDER . SLOPE TO SUMP PIT ~,"m...:;:::~m~, ~ , m~.,~,~......,. M~M.. 6• CONCRETE TAPER IN BOTTOM OF WETWELL TO START 10" FROM PUM AN P D LIQUID LEVEL 6' ABC STONE r..,.. ~ ~ ~m~.~..~,.._ .EX~~ ...,t,,... BASE AT 45 (TYP) ALL AROUND ENSORS Y PVC DRAIN -SLOPE TO WETWELL 0 7, ONE PIECE SCH 40 STAINLESS STEEL 304 GUIDE RAILS, DIA. PER 90' BEND WITH 'P TRAP OR FLAP VALVE IN WETWELL - MANUFACTURERS RECOMMENDATIONS, TWO PIECE RAILS W/INTERMEDIATE (MID I/3) SUPPORT FOR LENGTHS GREATER THAN 18 FEET. 12 SANITARY SEWER - - INV IN = -9.01 r.M" 8• PUMP REMOVAL CHAIN AND RELATED LIFTING HARDWARE TO BE 30 5 AI 4 T NLESS STEEL 2000 LB MIN. WORKLOAD LIMIT. LENGTH TO EXTEND 4' ABOVE HATCH. -10.0 GH WATER SIGNAL ON AND TELEMETRY FLOAT ~ ~~~SU~p~~~ q• PUMP DISCHAR ~ .m.~. GE SUPPORT BRACKET FOR DUCTILE IRON, OVER 10 MIN. ONE -10.5 LAG PUMP ON 6' DIP "--m..~~-~ m" REQUIRED MIDWAY. ~.m _.._s~m 10. ACCESS HA ~ M..~.. TCHES SHALL BE PAD LOCKABLE FRAME ~ COVER W/ I/4 ALUMINUM _ M... LEAD PUMP ON 4'x6' FLANGED INCREASER PLATE AND I/8" THICK X 3" WIDE STAINLESS HINGES MIN, AND POSITIVE _ LOCKING DOOR RESTRAINT. HINGE ON DISCHARGE SIDE OF WETWELL AND ~r7 ~ . 4 DISCHARGE CONNECTION _ ~ _ . GROUT _ . _10 VALVE HOX. (HALLADAY PRODUCTS OR EQUAL SIZE AS REQUIRED • ~ ; S f..." . EXTENDED BASE -.r~.m M..".~...,.,.- . s .~mm.~ 1 I , ALL UC D TILE IRON PIPE SHALL SE LINED WITH PROTECTO 401 CERAMIC _ > T„~,",".m..,~,..,,.,~,M, E .mm._ LINING OR SEWPER COAT LINING. ~.~.m ~_~m..µ,.. _"gym.~~~~~~. .~~..~m~„~......".....~.. (ALSO ALTERNATES LEAD O ~ < ,a.....W ; m,.mm , ,m /LAG SEQUENCE) . BOTTOM = - ~ n„xM...MUU~;,~.. ~ 17.5 - w. _ .."e m_..__" ~ ~ < ~ ~ , ~ m.~ w~ " " I f CONCRf~'IE ANTI FI~OTA110N _ ~ ~d ~ ,AL.:_.... , FI=B 1988 ~ . d MIN. 14 DIA, x 18 M~.,. ~ ,m,~,"" ICK . m el 12 X57 STONE BASE ~4~ 2+~~ I"=50' HOR 2+00 I°=5' VEftt wn: ~w„_..I I Iii-----5 ~ ~ AWB iiilllllllllllfl,~'' ~ . ~ 1 - 3 3 , t t-°- ; 1 iii ~H GARpI n~_A•• _ o~. ~ib_ A AWB Via.°'~~SS/QiJ/~°q L ENGINEERS* PLANNERS* SURVEYORS Project t ° CARY, NORTH CAROLINA _ 0494-0017 WETWELL SECTION NOT TO SCALE 5hwt Not •00j•f~ j0~ oQ~`!~ NC* l -1 C/ifIVL NA ti ANY REV NO. D85MIP710N DATE MDDLE SOMD REGMAL REVISIONS 2 14 n~ WASTEWATER FA CILITM IMPROVEMENTS S:\0494\0017\PUMPSTATION\817E8PSI. DWG ,1~~/ T \ i ~ \ 76 3/4 47 1/4 \ ~:~~i y ( 10'-9" REQUIRED FOR COMPLETE ~ ^ / ~ ~ I .r REMOVAL OF SERVICE COWL ~ ~ / ~ / ! ~ WET WELL '~•i / / An ~ ' % ~ GRADE NEW GRAVEL AGG S PIKE VEW ~ ~ \ 'i ~ • ~ ~ TO MATCH EXISTING G EL . , ' FOUNDATION BOLTS SANITARY SEWER .',-,.w-~...... LOAD CENTER 8" DIA. HOLE FOR ~ N SEE SHEET P53 ~ ~ f NOTES ~ N....._...._~_w SERVICE LINES ~ I. CONTRACTOR SHALL FINE GRADE PUMP STATION ~ , SITE AND GRAVEL ACCESS ROAD FOR POSITIVE PROPOSED G~JTOUR p.......~.. ~ 6 1/2 N N DRAINAGE. W/ELEVATION (TYP) rr t~ ,r ~ ~s OF STATION EXHAUST FAN d~ 00 2. CONTRACTOR SHALL FIELD ADJUST LOCATION 15' GRAVEL A ~ ESS PUMP N0. 1 N AND DEPTH OF NEW RCP STORM DRAIN PIPE TO ~ ........__w__...........~..___.........___,...~......_.,~ ,~;Ya SEE TYPICAL S~TIOGd . STARTER PANEL ~ DISCHARGE LINE ~ N MATCH EXISTING DRAINAGE DITCH. • > . , cp THIS SHEET / ~ • I SUCTION LINES N ENTRANCE PUMP ~ N M to TEM ~ ~ PORARY CONSTRUCTION \ EASEMENT (TYP) ' ~ CONDUIT N0. 2 ~'~M (2 REQUIRED) M M ~ . 1 FOR SERVICE 0 j 1 FROM GENERATOR ` ° • • 50' ACCESS/UTILITY ~ EASEMENT (TYP) SEE RISER DIAGRAM \ ; WET WELL \ .w3 r wE~L otnFa..L ~ CLEARING \ 6' FORCE MAN LIMITS " / \ SEE SHEET P60 tN,...,M INTAKE SHROUD 24"x36" HALLADAY " HATCH 6 VENT PIPE MATH NON- FERROUS INSECT SCREEN \ METER ~ ~ PE NATIi NON- 10 TEMPORARY CONSTRUCTION ' ._....._..._....w...~.....~..,.. EASEMENT (XYP) JSECT SCREEN N \ N¦1924b8 58 r. ~ 7 i 6' ~ PRECAST WETWELL PIPE CLAMP RING \ E 236 183,3q t \ TYPICAL SUCTION & DISCHARGE \ T.~:.. % MANUFACTURER PANEL W/ ADDITIONAL `,~",T ; \ ELECTRICAL RACK ~ r~1 EXSITING PROPERTY TELEMETRY OR NEW HANOVER COUNTY " SILT FENCE TYP \ ~ ~ ~ ~ LINE TYP ( ) r ( ) PANEL AS PER DETAIL SHEET E01. SCALE: N.T.S. ~ L. 1 ~ „ ~ f ``.r.. \ ` 14': ~DOUBLE~~LEAF r' ~ ,l 6 n. PROP ~ ( %GOR(N ~ ' . j DETAIL Sk~EET ' SCALE: N.T.S. i . ,f , ' 1 r.,N¦1924t;~c3, ; I ~ " ~ ' ~ ; ; , ' is r',>~t i AREA LIGI~T / i ' ; ~ ~ i ~ IXISTING I ' . ` ' ~ ' r`1 r ~ 1 ' : , r ' I,% ; ' ~ . ~ . ~u.. G.. CONTOUR ( ; .A.B.G.. TYP ( ) ( l T ~ ~ T j ~ ' 1 , / a..,. Tx10' FIBERGLASS REINFORCED PLASTIC ENCLOSURE TO SLIDE IN ~ ' , ' ~ 9b', I XJ, I~EDdD' E ~ 427.Ob ; r' ~ ; ; ~ ~ E•236725Q`.84 EITHER DIRECTION TO PROVIDE ACCESS TO EQUIPMENT. DOOR ( i PROVIDED FOR GENERAL SERVICE. ( , `,r''/` ~ '(`i %'E i ( I , ( S i / ;i t ; / / ` CONCRETE PAD FOR GENERATOR ~ , , r i ( ~ ~ 1 I' , I ! ;5'I I~~< J11A'NHO~. ~ ~ MIN. 6 GRl~ATER THAN OVERALL i T' ; ~=,~q~~il~S ' DIMENSIONS OF GENERATOR OR DRESSER STYLE 127 ' ~ ; ~'V 4'xb' WHICHEVER IS GREATER. FLANGE ADAPTER GRAVEL ACCESS ROAD M gQ38 , PAD SHALL SE 12' THICK i ' ` , ~ ` ~M12~ O.C. EACH WAY 4' 7.5' 7.5' 4 I, . I ' T ; ' 4 ; ! ; ` ,fe - C,FI!{I~L~NK; FENCE'. ~r... '\h 24"x36" MIN. ~ r ' ~ , , ( PAS CFTC DRNE HALLADAY HATCH r / I , t i ~ ~ ! T r i ( ~ ~ ~ ! l ' : ' / ~ 1~ I 1 ; ~ , ; ~,t ; ' ; ; ' ; ; ! ; ~ .Ir \ SANITARY SEWER SLAB TO BE 12" MIN. " 3 ~ 4` .1 1 ~j. R ~ . ~ X ~ ( ! ~ r 1 , ~ ' ° t I ~ ~ ~ • SEE SHEET P53A ( WIDER EACH SIDE THAN 6 VENT PIPE WITH TIE TO PACKAGED UNIT NON FERROUS l`; ~ , ii, 51 1% % T INSECT SCREEN EXISTING EXISTING Y ~ r' ' ' I i ' f'•z%~ ; ~br~lb 136 " T;' 3' TOP OF ~ GRADE GRADE ~ / FlNISHED GRADE NEW ROAD EL=12.0 EL.=11.5 / / f ' ( , • , , ..i.:'.1': ~ : s • ~ : ~ ~ ~ ~ < • r ~ GRASS SH . •1 6 AGGREGATE i ~ ~ ` ' ~ ~ - ' ' ' SILT FENCE GRASS SHOULDER ' < ; ! r~ ' ; i' ' . 1' , i r' I %~(TYP) .1 ..,1 r.;1 ,~1 ~ t~.;f:., l: a; ~ BASE 7~~ ".4 ~i.`~j.`.i~.,t'..~f•`.` i .;n ~•~`c~c. :i.<<~. ie"~j•~ ~ COURSE t4X „j' j Y f;' r , k ( t4X r ~ 1; ~ ~ % ' i~ 1 ~ ~ 1 ,1I • , 1,~ j ~ , ,h, i/ i ~ T 1' 1' j I , 1 ~ ~ ` ~ ( ' r~ T'r ~Lr<'~~~.;,. ; ~ . y . y ~ , ALUMINUM OR STAINLESS GROUT DAM STEEL LADDER ' , / MH 105C 1, ; ( / ( ~ 1' I ~ I ' ~t , y ; ` r', / n " C 4~'l~~r T , 6 CABC z ~ I'; r, 'I; 1, !;'/'~;tl,~. r Ii / ~ ~ i r'a ~ ~ r ~j' i t` MIN. 6 o . ~l,: t. ; ,T ' ( j T ~ ' , - CONCRETE SLAB ~ I ~ I ~ i i 1~ J / ~ L,~ , / I I~ ~ ' ' i , / I j 1' i eI 1 / I ~ ~ i~ i ` ~ ' ~ / I ~ T / ' ~ ~ % .BSI=E~•,.SHEET P60 " ~ ; 4 D.I. ~ NOT TO SCALE ATTACH 4 DI TO ! , i ( WETYVELL WALL WITH ' ---6" FORCE MAIN P AND APERTUR S S.S. STRA S E , ; .:i. 10 GRAVITY SEWER ~ ` 4"x6' MJ SCALE: 1" = 30' INV IN = -5.16 ~ INCREASER BOOT CONNECTION t•,', SEE DETAIL SHEET D2 ~r~ NOTES • ~ PIPING INCLUDED IN I. REFER TD SHEETS E01 E02 E03 E04 FOR PU . , LUMP SUM COST OF PIPING BY , ~ ~ .04 FOR PUMP STATION ELECTRICAL DETAILS • ~ ' ~ PUMPING STATION UNIT ITEMS i~:~, ' 2. REFER TO SHEET E04 FOR ACCESS LADDER Dl - ALARM/TELEMETRY = -5.5 LIQUID LEVEL o WETWELL. LADDER DETAIL FOR PUMP STATION SENSORS TYP a ( ) G = LAG PUMP -6.0 3, WETWELL SHALL BE COATED WITH SEWPER CO. ~ p c 1~. ATTACH 4 DI TO • ~ INTERIOR SURFACES, 3EWPER COAT OF STRONG SEAL NP ON ALL WETWELL WALL WITH LEAD PUMP = -6.5 S.S. STRAPS AND APERTURES r•'r. 4. UNLESS OTHERWISE SPECIFIED ALL METAL WE METAL WETWELL COMPONENTS, •t.,'~ PUMPS OFF = -8.5 HARDWARE AND FASTENERS SHALL BE CAST 1 f 1. STAINLESS STEEL OR BETTER. BE CAST IRON, DUCTILE IRON OR 304 • .•ti:4 5. UNLESS H OT ERWISE SPECIFIED ALL CONCRETE CONCRETE FASTENERS TO BE 316 STAINLESS STEEL WEDGE ANC~IORS TYP . • ~ • ~ b• ALL DUCTILE IRON I SNA PPE LL BE LINED WITH _INED WITH PROTEGTO 401 CERAMIC LINING OR SEWPER COAT LINING. !.l'[ 4"x6' INCREASE ~ } GROUT FILLETS (TYP) 7. IF NEW HANOVER COUNTY PUMP CONTROL PANT WETWELL TO HAVE : 90 FL BEND . , . , , SHALL SUPPLY AND INSTALL FLOATS AS SHOI~ JTROL PANEL IS USED CONTRACTOR 'S AS SHOWN. IF MANtIFAGTURER PANEL EXTENDED BASE IS USED, CONTROLS SHALL BE EPS-BU88LE-T -BU88LE-TYPE SYSTEM. if w - ' ' . EL. - -11.0 a. • :4.:: . ~ % .i, FLOOR EL= -11.5 DEC 1999 . . ~ . , ~ ~ ` ~ • ~ ~ ~ ~ ` ` ' CONCRETE ANTI-FLOTATION sods - ~ x . ; . ~ PROTECTION 8 DIA. x 12 THICK AS NOTED Drawn: 7 STONE BASE ~ M FOR LEVELING MIN. 12 DEPTH KAK 9st~eta~aaorrro'r Chwcked: a E'" ~ ~ ~ o s _.I 1.~.,.~.,. .3 i ~ ~ ~ 5.:..~..~I I I~..,._, 11_~~~~-! I I~-----i 1 <III-I I 1-I f ...._l I I-I ....,~,..I ! I ! N OAR Awe k 3 n~ ®e®e,; `/iii o. SI® ENGINEERS* PLANNERS* SURVEYORS Pro)ict Na CARY, NORM CAROLINA 0494-0017 512 0 %sot Na s Z ELEVATION VIEW T .,OGIego $ N®®~ ®P~,. N01~11"~ CAROLJNA y® W. SCALE: N.T.S. 492 R EV NO. DESCRIPTION DATE '~,rrra r+ MIDDLE SOUND FE<VONAL REVISIONS Z 1 D WASTEWATER FACLrMS FAFROVENeM 5:\0484\0017\PUMPSTAT I ONS\817EBP52. DWG CONTRACTOR SHALL GRADE NEW \ ACCE55 TO MATCH EXISTING PAGES CREEK DRIVE ELEVATION " ^„m m n \ PMH 100 \ MJ BEND \ cn "" 12' GRAVEL ACCESS ROAD �) h �4" x 6" MJ REDUCER M w SEE DETAIL THIS SHEET S.S. JUNCTION BOX FOR ��� Z ~ w ..:............ yf} NN.. ;.,... SILT FENCE \ PUMP POWER CABLES & CABLE HOLDER (S.S.) MIN. 12 LONG Z �: ,..,, .._... ..I.... _ LIQUID LEVEL CABLES �� FCA I I /i� �.............�: ' ..ii I \ \ m (TYP) / CHAIN HOOK (S.S.) '6 4" x 4" FL TEE g W .wh \" 20' PERMANENT ACCE55 / j" \ \ " AND UTILITY E5EMENT INSTALL 1/" NPT TEST PORT HATH 1/4" z - --' IN LADDER _ TURN VALVE WITHIN BOX;`: _ V) 4e W DOWNSTREAM OF ` VALVES 0 O VENT 4z Z) U .. _..>: `...;' \ \ \ -------- — — C :_ :1141,.,' OUTFALL. ? ;"..;.......L.. �' \ \ SANITARY SEWER 6" FORCE MAIN CL a"� "•- SEE SHEET P56 _ 12" SANITARY SEWER Z g M /' CROSSING BY \k `� \ \ - _..._ PROPERTY CORNER � OPEN GUT \\\ Vim'",.......: GUIDE BARS \ \ \ "":•... " " 4 x 4 FL TEE \ m,.- GATE— SEE 4" CHECK VALVE / DETAIL SHEET WITH BLIND FLANGE \ �.,==�-, 10' TEMPORARY. \` -� 4" PLUG VALVE (TYP)Y CONSTRUCTION • , \ \ \ \ F„"...:..a.� PRECAST CONCRETE PAGES MEEK EASEMENT WELL 4” FL 90' BEND VALVE VAULT MIN. 12" SANITARY SEWER PUMP DISCHARGE 4 W x 8 L INSIDE DIMENSIONS 6 FORCE MAIN \ SUPPORT BRACKET DEPTH AS REQUIRED SEE SHEET P54 \ CLEARING .. . LIMITS �, V LVE VAULT PLAN \ ... .. \ (TYP) , NOT TO SCALE ... .. ......,._. b.. ROP RTY G 6 I.D. WETWELL 1 ................. N=193372.50 EXISTING PROPERTY /"�� ,: tdlt .GAB.,......... ; ' ..... E=2368737.95 LINE (TYP) E=2368704.7q ...... s:..... '• • ' ' • PROPERY CORN 6" VENT PIPE WITH NON-FERROUS INSECT SCREEN HALLADAY ACCESS DOOR, FR EQUAL MIN. 60" x 38" ACCESS SHALL BE LOCKABLE W/ PAD LOCK) UPPER GUIDE BRACKET ,qz-- TOP SLAB = 17.5 HALLADAY ALUMINUM ACCESS DOOR OR EQUAL MIN. 48" x 48" (ACCESS SHALL BE LOCKABLE) ALUMINUN OR STAINLESS STEEL LADDER a I II LIQUID LEVEL -3.0 h .; -3.5... -4.0 GROUT FLOOR TO SLOPE TO SUMP PIT 4" SWING CHECK VALVE ABC STONE 2" PVC DRAIN - SLOPE TO WETWELL WITH 'P' TRAP OR FLAP VALVE IN WETWELL LAG PUMP ON 4" DIP LEAD PUMP ON Pump----," DISCHARGE CONNECTION GROUT �`r 4 EXTENDED CONCRETE BASE PUMPS OFF -6.0 ' (ALSO ALTERNATES LEAD/LAG SEQUENCE) J..60 ' D 'k ;b BOTTOM EL = -10.0 »A 777 :::..::..::.......;.'.:,,..,,::.....:::::...:. ::::::::::: CONCRETE ANTI FLOTATION MIN 8' DIA. x 12" THICK 12" #57 STONE WETWELL SECTION NOT TO SCALE \ N= ig3365.gq NOTES ......... ................... E=2368730.70 ..... ..... ...'.'.'.'.'.' .......... ..... 1. CONTRACTOR SHALL FINE GRADE PUMP STATION A \ 51TE AND GRAVEL ACCE55 ROAD FOR POSITIVE «n^ 3~' ' . \ DRAINAGE. PROP05ED CONTOUR ELEGTRICAL.'RACK \ W/ELEVATION (TYP)...................................� 4' 4" DI DISCHARGE PUMP STATION SCALE: 1 " = 20' NOTES w.. ............................ N' .......................... \ f .. tip......... ¢ PROPERTY CORNER ." \\ =Ig3331.82 w E=2368633.4q, ;.,. AREAS LIGHT \ 6 CHAINLINK'FENCE \ \ SEE DETAIL SHEET ­ CRETE CRETE P -AD FOR GENERATOR \ \ 2' INSIDE BOUNDARY Mlk 6" GREATER THAN OVERALL \ Dt'1EN51ONSr OF GEN15RATOR OR \ \ 4'5x8' WHICHEVER IS GREATER; SITE PLAN PROPERTY CORNER PAD SMALL BE 6" THICK \ N=ig3304.45 #4@12", 0•C. EACiLl WAY E=2368676.05 EXISTING \\ �` CONTOUR \ \ Q• / (TYP) 1. REFER TO SHEETS E011 E021 E031 E04 FOR PUMP STATION ELECTRICAL DETAILS 2• REFER TO SHEET E04 FOR ACCE55 LADDER DETAIL FOR PUMP STATION WETWELL. 3. WETWELL SHALL BE COATED WITH SEWPER COAT OR STRONG SEAL HP ON ALL INTERIOR SURFACES. 5. UNLESS OTHERWISE SPECIFIED ALL METAL WETWELL COMPONENTS, HARDWARE, AND FASTENERS 6HALL BE CAST IRON, DUCTILE IRON OR 304 STAINLESS STEEL OR BETTER. 6. UNLESS OTHERWISE SPECIFIED ALL CONCRETE FASTENERS TO BE 316 5TAINLE55 STEEL WEDGE ANE 61R5 (TYP). 7. CONCRETE TAPER IN BOTTOM OF WETWELL TO START 10" FROM PUMP AND BASE AT 45' (TYP) ALL AROUND B. ONE PIECE 5CH 40 STAINLESS STEEL 304 GUIDE RAILS. DIA. PER MANUFACTURERS RECOMMENDATIONS. TWO PIECE RAIL5 W/INTERMEDIATE (MID 1/3) SUPPORT FOR LENGTHS GREATER THAN IB FEET. q• PUMP REMOVAL CHAIN AND RELATED LIFTING HARDWARE TO BE 304 5TAINLE55 STEEL 2000 LB MIN. WORKLOAD LIMIT. LENGTH TO EXTEND 4' ABOVE MATCH. 10. PUMP DISCHARGE SUPPORT BRACKET FOR DUCTILE IRON, OVER 10' MIN. ONE REQUIRED MIDWAY. 11. ACCESS HATCHES SHALL BE PAD LOCKABLE FRAME * COVER W/ 1/4" ALUMINUM PLATE AND 1/8" THICK X 3" WIDE 5TAINLE55 HINGES MIN. AND P051TIVE LOCKING DOOR RESTRAINT. HINGE ON DISCHARGE SIDE OF WETWELL AND VALVE BOX. (HALLIDAY PRODUCTS OR EQUAL, SIZE AS REQUIRED) 12. ALL DUCTILE IRON PIPE SHALL BE LINED WITH PROTECTO 401 CERAMIC LINING OR SEPWER COAT LINING. GRAVEL ACCESS ROAD OUTFALL 'i' SEE SHEET P56 TYPICAL ACCESS ROAD SECTION NOT TO SCALE DMION 11 PAGES CREEK PUMP STATION SITE PLAND AND DETAILS #Mq<Jl\4&<2UM ENGINEERS • PLANNERS • SURVEYORS CARY, NORTH CAROLINA NEW HANOVE�MR/yCOUNTY NOMH CAFNA MIDDLE SOUND REGIONAL WASTEWATER FACIU71ES IMPROVEMENTS ate: DEC 1999 Scala: AS NOTED Dmwn: KAK Checked: AWB Project Na 0494-0017 est No: 5:\0484\0017\PUMP5TATION5\517EBP53. DWG 4' 6' � 6' 4' 3.• � TIE TO SLOPE TO DRAIN EXISTING TIE TO EXIS-nNG GRADE TOP OF NEW ROAD 1 GRADE GRASS SHOULDER 6" AGGREGATE GRASS SHOULDER f4% BASE COURSE t4% TYPICAL ACCESS ROAD SECTION NOT TO SCALE DMION 11 PAGES CREEK PUMP STATION SITE PLAND AND DETAILS #Mq<Jl\4&<2UM ENGINEERS • PLANNERS • SURVEYORS CARY, NORTH CAROLINA NEW HANOVE�MR/yCOUNTY NOMH CAFNA MIDDLE SOUND REGIONAL WASTEWATER FACIU71ES IMPROVEMENTS ate: DEC 1999 Scala: AS NOTED Dmwn: KAK Checked: AWB Project Na 0494-0017 est No: 5:\0484\0017\PUMP5TATION5\517EBP53. DWG r` ~ OUTF 1 d ~ 4 ALL ~ ~ Y f SANITARY SEWER ° ~ S SH EE EET P73 ~ ~ 3x N EXISTING PROPERTY ' NOTES LINE (TYP) r ~ ~ ~ i. CONTRACTOR SHALL FINE GRADE PUMP STATION ~ SITE AND GRAVEL ACCESS ROAD FOR POSITIVE F DRAINAGE. I I 4" x 6" MJ REDUCER m ~ W C~ - 3 S.S. JUNCTION BOX FOR Z ~ " _ _ PUMP POWER CABLES rlc CABLE HOLDER (S.S.) MIN. 12 LONG ~ ,f X' 2. CONTRACTOR SHALL FIELD ADJUST LOCATION ~ AND DEPTH OF NEW RGP STORM DRAIN PIPE TO uQUID LEVEL CABLES FCA I I . Z ~ ~ ~ f PROPERTY CORNER MATCI-I EXISTING DRAINAGE DITCH. I I a~ ~ N=Ig1655.b8 CHAIN HOOK (S.S.) ~ E=237048q.80 4" x 4" FL TEE L~ MH q06 i I zo / ~f _ INSTALL 1 NPT TEST PORT WITH 1 4" Z ~ / ~H x~. 3 ~ a / ~ 6 I.D. WETWELL LADDER _ TURN VALVE WITHIN BOX W ~ O _ DOWNSTREAM OF VALVES F' 6 q0 MJ BEND l N=191616.53 COQ VENT ~ ~ U F- E=2370515.63 ,I yT J ~ Y f 'i ~ ~ , PROPOSED CONTOUR - - - U~ ZOO 14' DOUBLE LEAF ~ ~ W/ELEVATION (TYP _ NZ C' _ GATE- SEE / . S y. - Zaa DETAIL SHEET / ~ ~ PROPERTY CORNER _ a~~ ........=F N=181624.58 E=2370 a~a 541.11 EXISTING ""Y`~ - ~ 10" SANITARY SEWER M GUIDE BARS ~ , CONTOUR ~ ~ .4 , . t ~ TYP / ~ 4" CHECK VALVE 4" x 4" FL TEE ( ) s ~ , ..q.. . . WITH BLIND FLANGE PROPERTY CON / ~ , . , ~ SILT FENCE R ER ~ s ~ (TYP) 4" PLUG VALVE (TYP) N=191604.34 A ~ E=2370458.75 r ~ . z Oq PRECAST CONCRETE " ~ VALVE VAULT MIN. WELL PUMP DISCHARGE 4 FL 90 BEND , ..3 •s 1 1 SUPPORT BRACKET 4 W x 8 L INSIDE DIMENSIONS DENISE DRIVE . ~ . ~ . ~ ~ . ~ OUTFACE K ~ ...................k..... ELEG ~ TRIGAL DEPTH AS REQUIRED SANITARY SEWER ~ ~ SEE SHEET P73 II ''`I RACK ~ 6 FORCE MAIN ~ / , ~ ~ ~ SEE SHEET P73 ~ ~ ~ / ~ AREA LI~iHT ~ \ ~ ~ ~ ~ ~ ~M ` ~ ~ NOT TO SCALE s ETER 1 / o \ ~ ~ ~ a , ~~.w ~ / s ~ ~ a / \ ~ ~ ~ ~ ~ / \ , , 6' GNAINLINK -1=ENGE ~ ~;r c~ \ \ EE DETAIL SHEET ~ :f r.a \ ~ 2 INSIDE BOUNDARY ~ HALLADAY ACCESS"DOOR" / ~ CONCRETE PAD FOR GENERATOR ~ ° ~M A. ~ ,"".,~r. EQUAL MIN. 80 x 33 / MIN, b~ GREATER THAN OVERALL \ ~"°".~,~.m~.~.~._.; ACCESS SHALL BE LOCKABLE W/ PAD LOCK) / DIMENSIONS OF GENERATOR DR ~ I I \ ~ / 4x8 WHICHEVER IS GREATER, ~ PAD SHALL 8E 12" TRICK PROPERTY CORNER - - - \ HALLADAY W/ #q@I2' O.C. EACH WAY N=191573,24 r x ALUMINUM ACCESS"DOOR" OR EQUAL MIN. 48 x48 'J ~ E=2370510,06 \ (ACCESS SHALL BE LOCKABLE) 6" VENT PIPE WITH r NON-FERROUS INSECT SCREEN UPPER GUIDE BRACKET TOP SLAB = 1?,0 GROUND ELEV. = 16.5 SCALE: 1" = 20' SLOPE--? r~-~ ~ - - - +i 3' CABLE _ HOLDER ~ . , - ;A ; IN. 12" LONG FCA (S.S.) GUIDE IN, 4 BAR 's: ~ " COVER PRE-CAST REINFORCED S S. 4 PLUG VALVE CONCRETE TOP POWER CABLE ( ) ~ ; NOTES 1. REFER TO SHEETS EOI I .01, E02, E03, E04 FOR PUMP STATION ELECTRICAL DETAILS 6 FT. ID WELL ~ 4 DIP , E02, E a• PRE-FABRICATED REINFORCED CDNCRETE 2, REFER TO SHEET E04 FOR ACC )4 FOR ACCESS LA AIL FO U DDER DET R P MP STATION WETWELL. WETWELL " s 3 WE W TELL SHALL BE COATED W COATED WITH SEWPER COAT OR STRONG SEAL HP ON ALL INTERIOR SURFACES. F 4 DI DISCHARGE ALUMINUN OR STAINLESS ,:::>r%~a;~~~~k~. ,.~~,v; v;-,,~,;hf.:~~ GROUT FLOOR TO SLOPE TO SUMP PIT 5, UNLESS OTHERWISE SPECIFIED STEEL LADDER i ~ HARDWARE, AND FASTENERS ~ SPECIFIED ALL METAL WETWELL COMPONENTS STENERS HALL BE CAST IRON DUCTILE IRON`OR 30 uQUID LEVEL 4" SWING CHECK VALVE STAINLESS STEEL OR BETTER. ~ 4 'R BETTER. SOBS " ABC STONE 6. UNLESS OTHERWISE SPECIFIED 2" PVC DRAIN -SLOPE TO WETWELL STAINLESS STEEL WEDGE ANC SPECIFIED ALL CONCRETE FASTENERS TO BE 316 IEDGE ANC~IORS TYP . WITH 'P' TRAP OR FLAP VALVE IN WETWELL Y ' ( ) 4" 90' BEND 7. CONCRETE TAPER IN BOTTOM c I BOTTOM OF WETWELL TO START lOp FROM PUMP AND 10" s.s. _ BASE AT 45' (TYP) ALL AROU ALL AROUND INV IN= -1.44 - -1.5 ALARM ETRY SIGNAL ON 2.0 ; S. ONE PIECE SCN 40 STAINLE55 iTAINLESS STEEL 304 GUIDE RAILS, DIA. PER MANUFACTURERS RECOMMENDA' ;COMMENDATIONS. TWO PIECE RAILS W/INTERMEDIATE -2.5 MID I/3 SUPPORT FO ( ) R LENGl FOR LENGTHS GREATER THAN 18 FEET. LAG PUMP ON 4 DIP q• PUMP REMOVAL CHAIN AND REI .IN AND RELATED LIFTING HARDWARE TO BE 304 STAINLESS LEAD PUMP ON STEEL 2000 LB MIN, WORKLOA[ WORKLOAD LIMIT, LENGTH TO EXTEND 4' ABOVE HATCH, R. PUM DISCHARGE CONNECTION 10• PUMP DISCHARGE SUPPORT BR JPPORT BRACKET FOR DUCTILE IRON, OVER 10' MIN, ONE GROUT REQUIRED MIDWA Y. EXTENDED CONCRETE BASE _ II. PUMPS OFF 4.5 ACCESS HATCHES SHALL 8E P~ n ~ (ALSO ALTERNATES ; PLATE AND I/8 THICK X 3 W11 GALL 8E PAD LOCKAB M ~ ~ LE FRA E COVER W/ I/4 ALUMINUM ~K X 3 WIDE STAINLESS HINGES MIN. AND POSITIVE LEAD/LAG SEQUENCE) ~ LOCKING DOOR RESTRAINT. HI 'RAINY. HINGE ON DISCHARGE SIDE OF WETWELL AND ' VALVE BOX. (HALLIDAY PRODI BOTTOM EL = -?.5 DAY PRODUCTS OR EQUAL, SIZE AS REQUIRED) < ~ A.. ~,E. F ~ ;k : ~ • ' ' ~ 12, ALL DUCTILE IRON PIPE SHALL 'IPE SHALL BE LINED WITH PROTECTO 401 CERAMIC ' ~ LINING OR SEPWER CDAT LININ( --.F ; :DAY LINING. ' @ < A y~.' ~ CONCRETE ANTI FLOTATION MIN 8' DIA. x 12' THICK N I , , = I I ~ I " , , i,_.~.~1 ~.~.rm ! ~ - ~:M.:..( - ~ 12 57 STONE i i~~_. ~ E.~,....~ j , i t ' L,,...,...t t.~,,.,~M, L...~ ~..,.I o DEC 1999 o ~ ~ ~ ~ ! .r.~ s....w..., f { E_ mw..r. f..,...,.m{ i i :,.,..`....:.t C.;,.J.,.'., € E,......{ I '~I E I~' I I_..,.3 ~ ,.,,_f < . scalx f~ 1"=20' HOR Drawn: KAK `IIIIIIItllllll/~~/ N CARP cnw~ra; NOT TO SCALE ENGINEERS* PLANNERS* SURVEYORS Protect Na __j GARY, NOR1H CAROLINA 0494-0017 Z 2 thest Na oN W NORTH CAROLINA REV NO. DESCRIP110N ~E BOUND REGM L DALE REVISIONS Z d WASTEWATER FAgLI11ES IMPROVENIENTS 00 N% I 5:\0444\0017\PUMP5TATIONS\817EBP54. DWG HALLADAY ACCESS"DOOR" OR EQUAL MIN. 60 x 36 NOTES I. REFER TO SHEETS E01, E02, E03, E04 FOR PUMP STATION ELECTRICAL DETAILS ACCESS SHALL BE LOCKABLE 2. REFER TO 5HEE7 E04 FOR ACCESS LADDER DETAIL FOR PUMP STATION / PAD LOCK) WETWELL. HAIL4DAY S.S. JUNCTION BOX FOR 3. WETWELL SHALL BE COATED WITH SEWPER COAL OR STRONG SEAL NP ON ALL INTERIOR 5URFACES. ALUMINUM ACCESS"DOOR " OR EQUAL MIN. 36 x 36 PUMP POWER CABLES dt CABLE Hi CABLE HOLDER (S.S.) M N " 5. UNLESS OTHERWISE SPECIFIED ALL METAL WETWELL COMPON (ACCESS SHALL BE LOCKABLE) LIQUID LEVEL CABLES I . 12 LONG 4 Fl 90 BEND HARDWARE AND FA57ENER5 ~HAI.L BE GA5T IRON DUC I FCA STAINLESS STEEL OR BETTER. ~ T LE IRON OR 304 4 VENT PIPE WITH NON-FERROUS CHA INSECT SCREEN CHAIN HOOK (S.S.) INSTALL 1/" NPT TEST PORT WITH 1/4" 6. UNLESS OTHERWISE SPECIFIED ALL E FASTENERS TO SE 316 STAINLES5 STEEL WEDGE ANCHORS (Tl'P • TURN VALVE WITHIN BOX UPPER GUIDE BRACKET DOWNSTREAM OF VALVES 7• CONCRETE CAPER IN HOTTOM OF WETWELL t0 START 10' FROM PUMP AND TOP SLAB = 15.0 GROUND ELEV. = 14.5 BASE AT 45' (TYP) ALL AROUND _ e. ONE PIECE 5CH 40 STAINLESS STEEL 304 GUIDE RAILS. DIA. PER " x 6" MJ REDUCER MANUFACTURERS RECOMMENDATIONS. TWO PIECE RAILS W/INTERMEDIATE r SL ; , SLOPS - (MID I/3) 5UPPORT FOR LENGTHS GREATER THAN 18 FEET. << M$ ~ . ~ "DISCHARGE 9. PUMP REMOVAL CHAIN AND RELATED LIFTING HARDWARE TO BE 304 STAINLESS t~ , '.i~ E'--o I VENT FORCE MAIN STEEL 2000 LB MIN. M~RICLOAD LIMIT. LENGTH TO EXTEND 4' ABOVE HATCH. - 10, PUMP DISCHARGE SUPPORT BRACKET FOR DUCTILE IRON, OVER 10' MIN. ONE MIN. 4' - - h ; MIN. 12' LONG FCA COVER REQUIRED MIDWAY. GUIDE _ Ii. ACCESS HATCH SHA ~ BAR ; - PRE-CAST REINFORCED PLATE AND I/B~THICK X 3~ WIDE STA NINI ~ HMI MEE5~ ~ V4 ALUMINUM NG MIN. AND P06TTIVE - LOCKING DOOR RE5TRAINT. HINGE ON DISCHARGE SIDE ~ WETWELL AND 'POWER CABLE S.S. CONCRETE TOP ( ) PLUG VALVE _ VALVE BOX. (HALLIDAY PRODUCTS OR EQUAL, SIZE A5 REQUIRED) ,y 12. ALL DUCTILE IRON PIPE SHALL SE LINED WITH PROTECTO 401 CERAMIC PIPING INCLUDED IN PIPING BY LINING OR 5EPWER COAT LINING. 6 FT. ID WELL 4" DIP PRE-FABRICATED GI , . ~ LUMP SUM COST OF UNIT ITEMS GUIDE BARS PUMPING STATION REINFORCED CONCRETE WETWELL " 6 \ " " 4" CHECK VALVE x 4 FL TEE WITH BLIND FLANGE ALUMINUM OR STAINLESS ° ~ > x 4 DI DISCHARGE 4" GATE VALVE (TYP) S ~.3~>~~r~.~.,iu TEEL LADDER ~ + ~ < GROUT FLOOR TO GRAVEL ACCESS ROAD PRECAST CONCRETE SLOPE TO SUMP PIT yya,L II " ~ 12 SANITARY SEWER LIQUID LEVEL 4" SWING CHECK VALVE ,G~ PUMP D PUMP DISCHARGE 4" FL 90' BEND VALVE VAULT MIN. 4~ ~ 51 ~ 7 6 W x 8 L INSIDE DIMENSIONS .5 4 SUPPORT BRACKETS DEPTH AS REQUIRED NSORS 6" ABC STONE SUPPOR 3,• 2" PVC DRAIN -SLOPE TO WETWELL " WITH 'P' TRAP OR FLAP VALVE IN WETWELL ~ .1 11E TO SLOPE TO DRAIN 12 S.S. EXISTING TIE TO OUTFALL 'G' 90' BEND NOT TO SCALE INV IN=-2.74 -3.0 ' 1 EXISTING GRADE TOP OF 3~ -3.5 ALARM/TELEMETRY SIGNAL ON NEW ROAD GRADE -4.0 LAG PUMP ON 4" DIP GRASS SHOULDER 6" AGGREGATE GRASS SHOULDER t4~ BASE COURSE f496 LEAD PUMP ON PUMP GROUT 4' DISCHARGE CONNEC110N EXTENDED BASE PUMPS OFF -5.0 (ALSO ALTERNATES LEAD/LAG SEQUENCE) ~ BOTTOM EL = -10.0 NOT TO SCALE „ a ' ~ < 4 ' q-,_, b CONCRETE ANTI FLOTATION ~ `a ~ MIN. B' DIA. x 12" THICK ~"`3 ~ EXISTING ~ ~ -s_ zwr PROP . : ~ _ ERTY / 12' 7 STONE BASE ~.,w.,. i.,. ~ ...,w.w f > m~wµ.., f tw .M; i ' i ~ f i i 3 LINE (TYP) S ' ' ~ ~ t ' f i t? s f ~ r_m..... iii ' > ,..,...m,~ f ; f..~_; , , ._I ; I.___. I ; , . L_._. ~ , _ 15 EL ACCESS R( I r ~ ~ ~.:_.,...I t ;..,_M ~~~~~.I I iw_:~~.; I f , ; i ~~~I I L,.~_~::, ~ I. n „„y..l s r..,.,,.,.,E f E,,..,,,,.,.I (j,.,..,.,.. ~w.,.„,,. .µ,.:,.~,t t tw , Fw° A s E...,......~ t. . T'1 l T I P, ACCESS 0 '3 r _ - - - ~ O~ / $ ~ _rv., , ;:~..~:.~,;w..Wl . E.m;...~.,°~~ ~.s~~ ,~~m.; 3 ~ ..m~ E MIN 6 DEPT .~~i f £ L~..:~,m I ,,...~~.I ; t.n~~..~; ; t I~..~~...I ; Imam.., ; ; i I ~mm ~ ~ SEE TYPICAL SECTION' : - t .w~., , ~ ~ j L SECTION E ~ t ! - - - _ ~ ~ / ; ~ ( mm„ ,,,.,e £ § , < ~ s,m s ~ I' ~ t . ~ ] r,>. t Al r TINS SHEET i 1 "s; = , ,11 r..... ~ / NOT TO SCALE - _ I 3 ! ~ ~4 / f a 7. .3. A \t 'l ` .~,;~g,: ~ ~ r if`l ~r 1 - 48 LF 30 RCP ~ t2.5% `.i - t... I ~ ~d • i "L ..r . OR AS REQUIREq) ~ r f # ~ _ 11 ~ ~ 'J i , MAINTAIN MIN. 12'; SEPARATIbN ' 3 - ~ ~ II. E , f - , ~ , UNDER NEW ACCESS ROAD ~ ` _ f .SILT FENCE 13.2 ~ , ~ t LIMITS y _ i 4~4; LF 30; RCP ~ f2.5X N„~ , ~ ~R AS:REQUI ( ) ~ END RAVEL C EXISTING ~ ~ "SO~.....A RED) t . ~.~~OI.....AGCESS~ ~ ~ ' MAINTAIN MIN. 12' SEPARATION AGCES -ROAD ~~°~~~ly' '~C,~,'s~ D, ~ 3,6 LF 1511 ~ CONTOUR t / EASE AS M ~ ~'UN ' , STA. 10+ .40 ~ ~ / =m3 MCP ~ E E ENT (TYP ~ ; DER ;NEW ACCESS ROAD t , , ; , ! f N=187314. / r; ' t1,0~ - s i i ::'l ; i, . , 1 ...w..,., n* ,7 / PROPERTI' CORNER ~ % t..~ ...~....w._....,.~ww..._..._... j' j Y .f ~ ~ ! ~ f ' / ~ J A. y~ F~ . t N / / 6 I W WELL ~..,..p~`. j..,:. . , .D. ET i ~.a N-187266.05 j . i' ~ cgs ` ; ; ` / a~ ~ / E-2367686ss ~ C~IAINLINK FENCE ~ ~ /~~i , INSTALL CLASS TRIP-RAP OUTLET / ~ VALVE SEE DETAIL SHEET' ~ f ~ .F, j` ' ~ j~'' ~ % ~ PROTECTION. SEE DE AI / ; T L SHT D3. ; ~y~~ 3 ' INSIDE N aRY ~ ~ LIMIT ; ~ , ~ .LET 2 BOU q , ~ i ~ / VAUJ~T' i ~ ~ ' ~ . ' ~ TI' X151=T I~TL~ t ~ IDDLE 80UI~ F3 ~ / ~ ~ , ~ LOOP ROAD / v ~ ELECTRICAL AREA LIGN,Y - j' j ~ ~ ; ~a FfF ~ ~ SANITARY SEWER ~ RACK / ~ ~ r ~ . v _ 6 l ~ f ~ ' 6'I FORGE MAIN t ~ ~ ~ 14',~)50UBLE LEAF:/ / ; " ......:::;::~::::'.e??~L: ~ i` ~ - • ~ %.rr, ~ ; / .GATE- ~1=E ~ , - ~ ~ ~ ~ ~ / < d; ~ SEE SHEET P81 s . , - , DETAIL ,r. i ~ ~ f.::~~:::~... ~ ~ ~ , ~ i / ~ ~ ~ . , / s e.~i : .~---rte', ~ L ~ f Lai ~_a SI ENC ~ N~ j` ~ .r, , ` ~ i ,~t / 1 i ; r 6 y , y,~,,. ',J' L. : . / yi /1 % a Jf f ~ ~9g r/ A~ / i F" ~ yJi ~ j j . j j jj ~ ~ ~ ~ / j,/ .,r~r j:::. ~ ~ ~ ~ / , ~ ~ . PROPOSED CONTOUR i / / `~d ` / idy/ ' ` y ~ ~ ' W/ELEVATION TYP 1/ ~ </N ~ ~:1,, :,f " r ~ ~ ~ ~ / ~ , d NOTES , F' ~ 1 f I. CONTRACTOR SHALL FINE GRADE PUMP STATION N / ~ / t 1 \ ~ / F Ii / . ~ . / GIN,,G'kAVEL j . 6 FORCE MAIN , ~ i~ A i ~ SITE AND GRAVEL ACCESS ROAD FOR POSITIVE ~ SEE SHEET P87A . 1'A. I t ~ , ~ ~ +qF~ DRAINAGE. 0 S RO . 0 KP U P STA ION Iggq \ 5'.. I D N ~#~Q4A ~ % / E=2~677.46,~6~ ` 2. CANTRACTOR SHALL FIELD ADJUST LOCATION AN C ES R AD a I s~l ~ ~ I AND DEPTH OF NEW RCP STORM DRAIN PIPE TO CON/CR -EPA 'FOR G ? TOR ~r1 906 ~ ~ MIN. 6 GR ER T OVER , - ~ SITE PLAN AND DETAILS MATCH EXISTING DRAINAGE DITCH, °r~""' .....----f31~lENSiQNS OF G ERATOT~-~ ~'y ~ AWB 4'x8' WWICHEV ' IS GR `,,IOai11B8flfPffP~®B CMCked3 ~N CAROL ENGINEERS ° PLANNERS * SURVEYORS ~7q4 C ARY, NORTH CAROLINA PUMP STATION -0017 512 S o f-Shwt W- SITE PLAN NO R COUNTY SCALE: 1 - 30 GIN,~® 0~~` NORTH CAROL.NdA • Y W REV DE ICRIPTI DATE MDDLE SCLM FOAL AL SEE SH -REVISIONS 10, 14 nv WASTEWATER FACLITE8111PNT8 5:\0444\0017\PUMPSTATIONS\517ESP55.DWG / / i / / / 'i ,/i; , ' ~j 10" SANITARY SEWER S.S. JUNCTION BOX FOR / / / / ~/i' / , , " ELlCTRICAL 1~AGK ~ ~ ; ; ~ ' i; ' , PUMP POWER CABLES do CABLE HOLDER (S.S.) MIN. 12" LONG 4" FL 90' BEND I / ~ ,6 LD. WETWELL ~ , ; , , / LIQUID LEVEL CABLES FCA CHAIN HOOK (S.S.) INSTALL 1/" NPT TEST PORT WITH 1/4" j/': ' CONCR E PAD FO N . N=18~Sb8.14 ' ,%i , MIN. 6' GREATER THAN OVERALL, ~=23~4b8b.38 ~ TURN VALVE WITHIN BOX / \ DIMENSIONS OF GENERATOR':.OR EE PR ~ '.THIS SHE ' ~ ' DOWNSTREAM OF VALVES 4'x8' WHICHEVER IS GRF~TER. %i / ~ % ~ ' / / PAD SHALL BE 12" THI ~ ~ ; , ~ ~ ~ LADDER " x 8" MJ REDUCER W/ #412 D.C. EACH W Y v 8" DISCHARGE n ~ ~ ~ ILT 8 PVC C-qp0 ~ ~ a .,.FENCE,.,.'. ; , , VENT FORCE MAIN FO1~CE :MAIN r ~ f ~ ~ / ~ WOODS ~ % 'i : ; ~ i ; : EXISTING -z , t ~ r : ~ ~ ~ - ~7~~'' OVERHEAD t t, ~ , \ ` a k ELECTRIC 8 45 ~ , , f1~1 BEND a ,w____......_.....____, \ PIPING INCLUDED IN PIPING BY LUMP SUM COST OF UNIT ITEMS ~ PROPERTY LINE z , t 10" SANITARY SEWS GUIDE BARS PUMPING STATION . \ , , , ,z:.. _ , ~ ~ 6 , : ~ AREA LIGH , T S ; 4" CHECK VALVE x 4 FL TEE WITH BIJND FLANGE t , 6 CHAINLINK FENCE . . . 4" GATE VALVE (TYP) ~ 2' INSIDE PROPERTY LINE !y ~ PRECAST CONCRETE CL WELL " VALVE VAULT MIN. ~ \ ~ ~ ~ - SEE DETAIL SHEET PUMP DISCHARGE 4 FL 90 BEND , "~1. tf/'s SUPPORT BRACKETS 6 W x 8 L INSIDE DIMENSIONS DEPTH AS REQUIRED 12q.65 LF 10 S.S. _ . ~ ` ~ , SEE PROFILE THIS SHEET MDDLE 801~D LOOP ROAD _ , ~ 14 DOfJBLE LEAF SANITARY SEWER \ II ~ GATE- SEE S FORGE MAIN ' ` DETAIL SHEET . NOT TO SCALE , SEE S EET P85 . , _ \ WOODS , BORE AND JACK 20 LF 16" _ ' . \ , STEEL ENCASEMENT PIPE ~ " ~ ^ar a, MIN " , ( .0.250 WALL THICKNESS) ~ - ' ' W/ 20 LF 8 PVC CARRIER PIPE ,GN~4 \ a EXISTING D~i"I H b WATER LINE ''t e ~ 8 q0 4 MJ BEND ~ ~ ..........................................s.,.. ,w3 SCALE w E HALLADAY ACCESS"DOOR" Imo-- 5U~ NORI ON A < ~ q , . , N N MH 43~A ~ ; L - , . ,h. Z T L R EQUAL MIN. 60 x 36 p ~ lU _~::ti ACCESS SHALL BE LOCKABLE I = 5 VERTICAL W/ PAD LOCK) J 3 ~ , _ , ~ I MH 434 - , ALUMINUM ACCESS"DOOR" _m,~..~_..,~._.._.~....__.~_. , . BORE AND JACK 25 LF 20" ~ \ y~c.: ~__,._a STEEL ENCASEMENT PIPE / , \ OR EQUAL MIN. 48 x48 w ~ (MIN. 0.250" WALL THICKNESS) c.~._ " (ACCESS SHALL BE LOCKABLE) 6 VENT PIPE WITH ~ W/ 25 LF 10" PVG CARRIER PIPE POME NON-FERROUS ~ -~--••~mm SANITARY SEWER . _ - - SEE SHEET P97 . INSECT SCREEN 0 ~ UPPER GUIDE BRACKET ~ TOP SLAB = 14.5 (MOUND ELEV. = 14.0 --.-,~--~mmm - ~ ~m SLOP . ~ E , , ~w...,.,~, . SCALE: 1" = 30' ~ SLOP i - f ! l:~ . ~ ~ ' ~ CABLE 4 mm~. i ~ ,.M I ~ HOLDER ~ ~ IN 1 ~ 2" LONG FCA ~.~.~..,....~..,,M~~.~...,...... ~ NTG ASPHALT . . SOON D n ...,~.,.,~..~,._~~~~,.m.,.m.,. ~_.,.,~~...,_~f.. - GUIDE F:: ` : MIN. 4' T~ AD m. NOTES BAR •s:: ~ " COVER PRE-CAST REINFORCED , ; 4 PLUG VALVE mm~.. ~ ~ I. REFER TO SHEETS EOI E02 E03 E04 FOR PUMP STA a .POWER CABLE (S.S.) .~,...,.....~...~...,.~..~:~,.~m~..~... t M. CONCRETE TOP ~ I O r . , TION ELECTRICAL DETAILS ~ 10 ~ 2. REFER TO SHEET E04 FOR ACCESS LADDE _ R DETAIL FOR PUMP STATION 6 FT. ID WELL 4 DIP _m.~~ WETWELL. _ m _ PRE-FABRIC ATED . ..~~m.~ r,~, ~.~.,µm~M,„w. REINFORCED CONCRETE ~~m _ ,^ry ~ 3. WETWELL SHALL BE COATED WITH SEWPER COAT OR STRONG SEAL HP ON ALL m_._. _ INTERIOR SURFACES. 8 WETWELL m°,:. v~-~~~~~ UNLESS OTHERWISE S 5. PEGIFIED ALL METAL WETWELL COMPONENTS """"""`°"~~~.,.,I ° HARDWARE AND FASTENERSHALL ' „~.m, , BE CAST IRON D , UCTILE IRON OR 304 ALUMINUN DR STAINLESS ~ ; ~ ~ r.,;, , GROUT FLOOR TO 4 DI DISCHARGE ' STAINLESS STEEL OR BETTER. ' m :.~_.....ti.. : a STEEL LADDER SLOPE TO SUMP PIT -°~°°,.;r~~~~~~~~~ LIQUID LEVEL 4 SWING CHECK VALVE _m.~~ 6. UNLESS OTHERWISE SPECIFIED ALL GONG RETE FASTENERS TO BE 316 .,,.:w STAINLESS STEEL WEDGE ANC RS (TYP). NSORS " ~ ABC STONE O ,~,,.,M<~~ ~,,,4 t ~ _ 7. CON II 2" PVC DRAIN -SLOPE TO WETWELL CRETE TAPER IN 80TTOM OF WETWELL TO START 10 FROM PUMP AND WITH •P• TRAP OR FLAP V IN WETWELL 'mm 10" S.S. SASE AT 45 (TYP) ALL AROUND INV IN= -3.54 490 BEND ~ ~ ~ ° ~ 8, ONE PIECE SCH 40 STAINL 5 ~_w..,.,w..,.~.,.. ES STEEL 304 GUIDE RAILS. DIA. PER T, MANUFACTURERS RECOMMENDATIONS. TWO PIECE RAILS W/INTERMEDIATE -4.0 tip= -4.5 :A.; ALARM/YELEMETRY SIGNAL ON ~ n~ w (MID I/3) SUPPORT FOR LENGTHS GREATER THAN 18 FEET. .,f~, LAG PUMP ON 4" DIP _~,m .w. _ _ q• PUMP REMOVAL CHAIN AND RELATED LIFTING HARDWARE TO BE 304 STAINLESS mom';,°~,;,,~;;;~~~ STEEL 2000 LB MIN. WORKLOAD LIMIT. LENGTH TO EXTEND 4' ABOVE HATCH. ~~M,_.j~.M.... ~ LEAD PUMP ON ^ ~ 10. I PUMP DISCHARGE SUPPORT BRACKET FOR DUCTILE IRON, OVER 10 MIN, ONE REQUIRED MIDWAY. PUM _ I~ ~~W~ w.._ ~ kp ~Y.` GROUT DISCHARGE CONNECTION ~ ~ ' -10 II. ACCESS HATCHES SHALL BE PAD LOCKABLE FRAME ~ COVER W/ i/4" A UMINUM M.. ~~3 1~m•; i•.3, ~.m.., PLATE AND I/8 THICK X 3 WIDE STAINLESS HINGES MIN, AND POSITIVE EXTENDED CONCRETE BASE ~ PUMPS OFF -8.0 ~ M:.~"~ ~mm. -m ~ ~ LOCKING DOOR RESTRAINT. HINGE ON DISCHARGE SIDE OF WETWELL AND ALSO ALTERNATES - VALYE 80X. (HALLIDAY PRODUCTS OR EQUAL, SIZE AS REQUIRED) LEAD G SEQUENCE • :84}y. O ~ ~.m......~.~~ _ _ ~.u__ 12. ALL DUCTILE IRON PIPE SHALL BE LINED WITH PROTECTO 401 CERAMIC ° BOTTOM EL ~ -11.0 ~ 2+00 LINING OR SEPWER GOAT LINING. ~ Y. ' • ~ . 4~ x ~ ey d u ~9. . ~,C~. ~'dd ~N ~ .O~ A ~ S ~i'?fr..J CONCRETE ANTI FLOTATION MIN 8 DIA. x 12 THICK ~E EE t> DEC 1999 E--- . --I ~ <>W---, ~ ! . E -~--3 , ~ , J(~ STONE Scala AS SHOWN m.,; E s,~w.....3j ? ~ 333 E{ f{ ,II fEi! i(f III~'111---~€t Drawn: KAK ````1irr a Iraltar~e® Checked: ~o ~A~ ~ P~,N ~ `®o AWB NOT TO SCALE •o o` vry9~ ENGINEERS• PLANNERS • SURVEYORS rropcs na CARY, NORTH CAROLINA ° 0494-0017 E 0 NEW Na % %9 a ~e KAMVER COUNTY TAx '•°e°ee°e° NORTH CAROLINA 00 W 86 REV NO. DESCRIP110N DAIS rrrrrl1Pl71r'~` MDDL.E SOUND REGIONAL REVISIONS 12 I~ 0(~ WAMMAIER FAMMES IMPROVEMENTS 5:\04CI4\0017\PUMPSTATIONS\817EBP56.DWG EXIST, GROUND - - _ _ _ _ _ - _ _ _ _ , 1..,. ~ _ • € 3 : ~ { " " i.".""",.,.; DEiJS~Y COtv4~AC • ' i HAt`A PLACE s E 1 z ~ 3 f I f.""..,..__ I I ABO ~TOTPO I FT• _ _ _ BD TC~~ - - 1 ,..,,.,,.5 ~ ! ' i OF PEE _ - - - (j ~ - p ~ ? ` - - - - AE+OVE T~ aF FlPE - - - VARY w j - ~ BEDS 2" ASPHALT TYPE "I -2" N.C. D.O.T. SPEC. ~ - .I ~ a - ins N ~ - - - Cl ~ ~ 6" AGGREGATE BASE COURSE STOPS EMI~VBJf AS - q M - - - 0 MICATE•D. GREATEit IF - STOPS Bv~9JA~lT AS - FLEX BOOT CONECTION REOURED BY PDICATE~D. GRcAr~z IF EXIST. PAVEMENT ~ ~ ~ , ~~P y a°l MAN.FACTl.RB2 RE{X1RE ~ ,''+~j~ a,~ a MMiFACTLRER ' a • Sua~ sror~ y% w~,q TO PROVOS BEIJ2NG S4IAPED STOt~ CONNECT NEW DI FORCE ALOr~ E LE~T>•I ~ P~ On, To PROVroB ~ MAIN TO MANHOLE. ~ aF PPE BARREi ALCNG EiJT~E ta~n.a u2 PPE o.D. ' S.S. ANCHOR BOLT ' . oA. oP PIPB BARRE3. 2A• • on. MAx GROUT W/NON-SHRINK GROUT crr ° on. Min 40.0 ~ za a$,~ ~ , 4 INSIDE AND OUTSIDE OF WALL. (MIN. 4 REQD.) ,r-.. < DITCH LINE y~''' .s SANITARY SEWER (0 -8 DEPTH SANITARY SEWER `;i'f@~ ` DEPTH VARES (<8 -16 DEPTH) PIPE LAYING PIPE LA 12' 8" " FOR (~2AVITY 12 sEV~ CONDITION "A" PING ° CONDITION "B" VARES OOMPAG`1® COVER FOR 90 BEND AS R801R~ FOR PPE FORC?= MA~J PIPE NSTALLATiON NEW I FORCE MAIN . MIN. 5 INSIDE DIAMETER ~ ~y M AgNG WMIE SHALL BE INSTALLED FOR ALL PVC FORCE PENETRATION TO E;E ! • FLANGED MNNS 1e• BELOW FlNISHED GRADE 12" ABOVE OR BELOW JOINT DI PIPE COVER . .E FORCE y~ TO MAINTAIN WATER TIGH • ~ _ _ INTEGRITY S.S. PIPE SUPPOR HAND PLACED - - TRENCH e.'r, a , j~~. DENSELY COMPACTED - - DEPTH VARIES ~ ~ ~ ~ FOR GRAVITY SEWER " ~.y ~w~~r " a~ BACKFlLL TO 1 FT. - _ _ LENGTN AS REQUIRED TO 0' ABOVE TOP OF PIPE ~k k t• PTO DIRECT FORGE MAIN INTO ° I - 'I ? NO' ~~Y ~ y~M C Mac VR61d AA4761WL N01E: EXISTING FLOW 90° BENp • - • ' SHAPED SuBCRADE " ~~ABL~E ViaBN MATBIW. - TO PROVIDE BEARING BAI - ALONG ENTIRE LENGTH v . ~r^ _ BACKFlLL TO BE INSTALLED IN 12 LIFTS MAX. AND CASE '8' OF PIPE BARREL PACTED TO A MINIMUM DENSITY OF 95X AS o - DEl 1/2 PIPE O.D. ARI DETERMINED BY THE MODIFlED A,A.S.H.LO. STAND- ARD METHOD T-99, Y ~ ~r'% - m. NOTE: CONTRAC x TOR SHALL PROVIDE CONCRETE SUPPORT ' ' 2+' + o.D. MAX • ~ . (12• + O.D. MIN) Flu CUT-BACK TO BE PERFORMED AFTER TRENCH BACK- TRENCH SHORING AND BRAC ~ ~ LNG AS (AS REQUIRED) ~ • : ' . i ~ • ' ~ . : ; • . BEDDED PIPE FlWNG AND C~+IPACTION. REQUIRED CASE 'A' FORCE MAIN PIPE LAYING PA P AV CONDITION E MEN T REP AI R D ET AI L FOR P~ CE M AI N CON N ECTION DET AIL nlNlnun of covE>s. NOT TO SCALE NOT TO SCALE PIPE LAYI N G CO NDITI ONS NOT TO SCALE NOT TO SCALE SEE TRENCH DETAIL 'ENCH DETAIL q y,~ THIS SHEET D2 1EET D2 FEATHER OVERLAY TO SEE 2'X2'X4' CANCRETE PAD CASt IRON CLEANOUT "CAP EDGE OF CURB TRENCH DETAIL (TYP. 80TH 51DES) THIS SHEET D2 ( NSTALL CLEANOUT 6 INSIDE CONCRETE DIMENSION 'A' CONCRETE STREET R/W) CURG AND GUTTER (SEE NOTE 2) CURL AND GUTTER DIMENSION 'B' (SEE NOTE 2) NOTE SEWER SERVICE 0 0 q ue' To ~ ABS OR PVC 0 p 0 I 0 q I/6" 0 ~ 3 1/2" MIN. ~2" MIN. ! 3~' COVER COVER 3 i/2" MIN. I V4' COVER A" SWEEP WYE 2" I-2 OVERLAY ASPHALT TYPICAL FOR ENURE ROADWAY 2" I-2 OVERLAY ASPHALT SANITARY SEWER STOP AT R/W SERVILE LINE DIAMETER VARIES OF STREET { ) >EWER SECTION SEE NOTE 1 SANITPRY TYPICAL FOR ENTIRE. (ARIES) ( ) SEWER ROADWAY I-2 ASPHALT (DIAMETER VARIES) SEC110N (SEE NOTE 1) 2" (SEE NOTE 1) 2" I-2 ASPHALT ~ SANITARY TEE ,g• (SAME MATERIAL (SEE NOTE 1) 6" ABC (SEE NOTE 1) AS MAIN) Poi•YPROPt'I•ENE - ru IrousTmes MoDEI. Psl-r~ oR 6' ABC (SEE NOTE 1) APPROVED EQ1AL PLUG TEE BRANCH P OLYP ROP YLEN sLOPE MIN Iz E P L ASTI C NOTES: ST EP NOT TO SCALE i. CONTRACTOR SHALL REBUILD ONE-HALF LANE ASPHALT SECTION AS PER PAVEMENT REPAIR DETAIL SHOWN ON THiS SHEET, AND OVERLAY ENTIRE ROAD SECTION SANITARY AS SHOWN. ANY DAMAGE TO EXISTING SUBGRADE BEYOND THE LIMITS OF THE MAXIMUM TRENCH WIDTH AS SHOWN IN THE TRENCH DETAIL ON THIS SHEET SEWER MAIN DURING CONSTRUCTION SHALL BE REPAIRED AND REBUILT AT THE EXPENSE OF rte: THE CONTRACTOR. L e s+ai ~ aooo Ps Mr, SER VI CE CO NNECT ION DETAIL 2. CONCREIE CURB AND GUTTER DAMAGED DURING CONSTRUCTION SHALL BE REPLACED TO ORIGINAL DIMENSIONS AND GRADE AT EXPENSE A~A,~~. OF CONTRACTOR. NOT TO SCALE over Axr xus ar aaros 3. CONTRACTOR SHALL PROVIDE TRENCH SHORING AND BRACING AS REQUIRED TO MAINTAIN PAVEMENT SUBGRADE INTEGRIIY. AI~MII~P~OL~10 4. NOTE DIMENSIONS AS SHOWN IN TABLE ARE FOR INFORMATIONAL PURPOSES ONLY. ROCr~ CONTRACTOR SHALL FIELD VERIFY ACTUAL FELD CONDITIONS PRIOR TO THE START OF CONSTRUCTION. ~ OI11E~E~ ~ bCMI! X DM310N I DM310N I DMSKJN II DIVISION I DIMENSION 'A' ROAD DIVISION II DIMENSION 'A' q ~...I I • ~ • • SR 1815(BEDFORD ROAD) P2! I ~ I s ~ 19,..... SR 1848 LU ~ P28,P29,P30 20' SR 1879(CALE COURT) P90 q 1~ < . ~ ( DLOW ROAD) P31 SR 2146(RAINTREE COURT) p3; P31 2p' 26' r ~ SR 1817(QUEENS COURT) P3; T) P32 2p' P32 40' ~ ~ SR 1616 KINGS COURT X { ) P3; P32 2p' ~ ~ SR 1844(LONDONBERRY DRIVE B ) P3< SR 1846(PARUAMENT DRIVE) pie )RIVE) P33 2p' IVE) P34 40' ROAD DIVISION II DIMENSION 'B' 5 ~ (TYPJ SR 181 WEWNGTON F DRIVE) P3. VE) P35,P36 20' PAGES CREEK DRIVE P53A B~ SR 1815(BEDFORD ROAD) p3E HYDRANT TEE N r '(r '(E SR 1908(LORD DRIVE) p4( P36 20' SEVEN OAKS ROAD 20' P54 Y0' ~ ~ PLAN BENDS PLAN TEES SR 1926 NORTH BEND RO P40 20' SR 1862(FRIDAY DRIVE) P57 20' )AD) P42 20~ SR 1949(TRELAIMJEY COURT) P57 20' s` t P ( P4i ~ FIELD VIEW ROAD P4: P43,P44 20 DUNBAR ROAD EXTENSION P59 20' 5 18• M~1 - lO.O >T LESS SR 1926(NORTH BEND ROAD) P47 g 1E, E 2a• Mrl - rr o e GREATER 1AD) P47 20' SR 1992(DUNN PLACE DRIVE P62 20 GR E~ SR 1834(NORTH HILLS DRIVE) P63 20' c ~ HEARTH DRIVE P64 40' EPLING DRIVE P64 40' 8~ SR 1862(FRIDAY DRIVE) P64 20' 13 ~ RoAD olwslo DIVISION I DIMENSION 'B' ~ 1834(TREASURE ISLAND WAY) P65 20' ' SR 1403(MIDDLE SOUND LOOP P5 SR 1834(TREASURE ISLAND WAY) P66 20' OOP) P5 2p~ LONC JOHN SILVER GRCLE P67,P68 2p' ; , I- SR 1403(MIDDLE SOUND LOOP ~I ) P8 OOP) P8 2p SR 1835(MARK TWAIN DRIVE) P69 Y0' °-;i~~,m SR 1403(MIDDLE SOUND LOOP) pip OOP) P10 40' CHARLES LANGDON P69 20' SR 1860(SOUTH BRANCH ROAD) P22 ECTION X-X PLAN E ELEV, sR 1861(BUCKEYE ROAD) P24 ROAD) P22 P0' SR 1405(CANADY ROAD) p71 Y0~ BENDS ~ TEES PLUGS sR 1694(ANACA POINT ROAD) P26 P24 20' DENISE DRIVE P73 40' SAD) P26 20' SR 1406(TURNER NURSERY ROAD) P76 40' TABLE OF DIMENSIONS sR 1815(BEDFORD ROAD) P36 P36 20' BUENA VISTA GRCLE P77 18' SR 1901(SANDYBROOK ROAD) P37, SR 1910(BOONE LANE) P39 4D) P37,P38 20' SR 1878(STONEY BROOK ROAD-S) P90 48' PIPE DIA. H L T P~ e~ ~ ~ ~ r w ~o T~ Fl.UO FELD VIEW ROAD P43, P39 qp' SR 1878(STONEYBROOK ROAD-N) P91 28' P43,P44 40' SR 1698(SALT BRICK COURT? P92 26' ~ SR 1927(GLEN ARBOR ROAD) P48 A B A B A B A 8 A B C D >0) P48 20, HAYFlELD COURT P93 24' HERVEY LANE P93 26' FEB I~ 24" 4' 4' 1' r rr g rr e: 6• G B' 9• 10' 16• 30" 5' S' 1 ~ 6• ID• rr ~ e• g b• IB• e~ 8' B C~' 10• 10' 9' 8' g B' p• @' 17 24' NTS 36" 6' 6' 2' qr ~ u' b• rr s a• s a• r ~a• w• 2s wn~ 8 8 2 ~nu~rli LRA ,`,,,~I Il'~,BI 11• 22' B• 4t' ~ ID• W' p' K' IS' I8' IB• 94• CARpI~..'~,. V. 1~/KTCTA/(~~('QTa'~il 0 o w 4 Q v e~ e~~ 20. ~V•••~ S'O•',9 s, 111DIf#1C~t51?AV ` LX ,1 .1 / PON L%QrA 4gW •PLAINERS*SURVEYORS Project O' p• 0 GARY, NORTH CAROLINA • Oa9A-0017 " 0 12 S• o = , Sheet Pb: CONCRETE COLLAR THRUST BLOCK DETAIL ' y . NEW %?'I~'''~, GIN®.• ~ NOT TO SCALE NOT To xa.E NORM CAROLM REV NO A/y w D2 DIOMPTION DATE 1111 ;0111 a MIXX.G WHIV REgONAL I ii REVISIONS yy 1Z OD I AgTEWATER FA(:LlTES IupROVEIyBVTg el 95 S:\0494\0017\DWG\D01. DWG r %f ~l ,f i, ~ rl , , r PAGES , r CR PUMP STATION 1 1 ~i~;,y R SEE SHEET N S3 , l/ , , , ~ ~ ~ i ~ 1G N ,r . ~ , ~ ;/i ; ~//y. / / /i ri V r ~ ' ~ l/ ~j J ~ ~ 1i o i ~ / ~ ~ / , ~ ~ ii A f, ~ ~ ~ ~ , Q' r 7 / f-, 1, ~+1 , ~ /~i"' ;~E~ /~f i-. ri 1 , r - i/ /'r. ~ ~ ~ i ~ ~ ~ , , f '%i ii A ~ i w~;. / ~ Qp ~ j . 1 ~ i ti P / i DENISE DRIVE PUMPS TION o ~ 'y SEES T N0. S4 ;i, , Pi i , ~ ~ ~ J, F ~ -j, 0~ /l,f 6 F M oR , t f' rGG'/ ',i/ a/ ;;s. J ~ ~ r ~ ~ i /ir%1~~ ' z) z~ I~ i,: r. , ,i sR Jij . . ~ ~ / 3 J~ i e~ f,//%~; i ~ ~ o y CAUD PUMP STATI i. ~ F M ~ f; , Z ~ ~ SEE SHEET N0. S ~ z / r 1 ~ PT J~ /r 1 r rf ~ ~ BUC 1 BUCKEYE R P M STATION OAD U ~ ~ / j SEE ~ 14 . ~ JF ~ ./r ~ ° f / / SEE SHEET N0. S1 ~ ~ y ~j ~S ~ 6 \ ~ 9 I ~ ~ r ~ ~ 1 ~ i ~aFp / l! 7~,r I' ~ ` _ NSTp ~ _ qqE. % / ~ n l/, ~ ~ ~ SR 1 ~~~Fti , I 1 r \ sf , //.~/l pe i ~ , ~ ~ r / i P / ~/i ~i ~ ir„ f ~i G / ~ ( CT ~ . P E ~ r ~ /J J ~ ~ ~s ~ / ~ ~ ~ ~ ~ / Q - , ~ , ~ ,0 ~i;/i / / ~i , ,l ~ j%%/ ~R , r,~/ /i% / / .t. r J '~i%/% / Ci (V G k //.,~~/r, j ,r.,', Q ~l / , f ~ ~~r 1 J ~ .~j / 'l/~~~ ~ r ~ ~ ~ G ~p/u/ iii' / / f~ ~ ~ ~ ',r. J' ; ~ ~ / ~ % ,11 / P~ .f/ ~ , //if r rli /./~s, t~ J, . Ci ~ 0 J J \ i / 1 ~ ' _ //~,~ir ~ i/ / ; r `a/~~/// r~ / ,~~i//J~1/~/ 'B . ~ //j i A ~ ~ ~r~, ,i ; ~ \ ,i ~i/ /i / ~ / do it 'r f; , ~ ~ f l~/~ 'r r ! ~/i/~ ~ / / - rr/ i / - ~ !/~~r I 7u ~%1r~,/ `7~, r /,~i iii%/ ~ '~///r, ~ 1 ~ ~~i„~~j j%' i ' % G ,i ~/~~r~ /~~l % i ~ /.~r ~ 'i ~ ~~/~/i. ~r G / ~,r/ ~ ~J/~ , ~~~.r/% ~ir / ,,r ~ ~n , . ~ ~ /1 / n /,/ii ~ i / ~ ~ rr' a./ r ,r ~ 1. 1i~ / ~ ;i~ ~ ~ i~ ~ ~//i , /J' ~ / .i~ ~i ~ i i / / , J, / / viii ~ ~ ~ ; f f~i rr f %ii „ r~~ /J / I ~ ~ ~ , / / ~j//~/~~ , ~ f f ~i f / ~ %i' `l , i?~ i• / . i. ~~%~i~ r~> ~i; ~ ri a ~ ~ ;r / ~ ~ . ~ %///ii ~d~/ ~f ~ . , ' ~ i f~~f / ,i ~ ~ it R/ /i1i i ~ ~ „ l . r , r,~.. ~~ii/, _ / , 0 ~i/ i, / r~/;/%/ ~E ~ ~ ~ ~ ~ _ ~ ~ ~r ~ - , <r w i% ? Cj ~ i :fie'.., ,i 1 i2' f~1 ' ' ; ~i, ~/i ~ ~ . iif/~ ~ - 'ii ~ fry ,F ' % %r/ ~/.i~ R ~eG~r~~~J lei. l . ~ % ~ ~E „ ~ P r . I I i / ~ i l i i ;r i ,r/ . ~ d~ - W i N - , ; . N ND LEGE r . N ~ ~ ~ ~ i~'' DEC 18 2000 GRAVITY SEWER MAIN ~ ~ /l~ r . ~ , G r' ' ~ DIVISION OF f%/ 1 /~f%-~ / j , / ~~~r / , I ~ COASTAL MANAGEMENT r~ ~,i; - FORCE MAIN STONEYBROOK PUMP ATI ON SEE SHEET N0. S ~ ~ 5 f>, ii ,r i~/~ r ~ PUMP STATION SITE ,Jr<~~'' ,i. ;,rr ~ ,A-0 Q 500 250 0 500 1000 -w r ~ ° FALCON POINTE PUMP STATION ° ~A ~ ° ORW AND SA SEE SHEET N0. S6 N m ~ HIGH R n = i SCALE I 500 MEAN WATE ~ N N BUFFER ~ ~ { Date: f ti - NOTES ° i an i / e: 1. THERE IS A 30 FOOT BUFFER BETWEEN ALL IMPERVIOUS SURFACES / c I"=500' / 0 i 4 PROPOSED FOR THIS PROJECT AND THE MEAN HIGH WATER ELEVATION. N `t .~J f awn. ,,,r- ,i '~s. 1. MEAN HIGH WA R VAl10N ~ „r, DJG s,~ ; ~./w~ IMPACTED WETLANDS TE ELE s APPROxIMATELY 3 FEET MSL Q, ~ 2. CAMA BOUNDARY IS BASED ON THE FOLLOWING CLASSIFICATIONS ~ ~ f; „ ,,,t AWB Q v ENGINEERS • PLANNERS * SURVEYORS Project o: WATER CLASSIFICATION BOUNDARY CARY, NORTH CAROUNA J f 0494-0017 INTRACOASTAL WATERWAY ORW 575 FEET a CAMA BOUNDARY HOWE CREEK ORW 575 FEET OIL r, Sheet No: 'IS 0 PAGES CREEK SA 75 FEET NEW HA VER COUNTY - - - MEAN HIGH WATER NORTH CAROLINA t Q tf-V N0. DESCRIPTION D4 TE PC MIDDLE SOUND REGIONAL 0 REVISIONS WASTEWATER FACILITIES IMPROVEMENTS S:\04'4\0017\DNG\8171=8V01. DWG ll is ~ ,I l ~ ~ ~ ~ ` 0 ~ ~`,<ff 4 ~ f V ' iii:>° ~ . i. w~ \ ? / ''fL '1: 'r.\ ~ a ~ LONG. VVI 11~y~ F'~`, 4< r a I SANITARY SEW S~IEET P67 ~ I r . 1 .I I ~ I . t , , . , : , P t•' / r 'xa , i „v ti ~ _ 1 i , \ a ve , ~ ~ y ,e^" ,c ~ ~„l ~~4.~ :I~ ~ 1!'70• YI N71~ ~w- ! ~ SANITARY SEWER i ~ .~.i ~ \y , \J EXIST. 8 A.C. ,~`:...f.. ? , x~ ~ / ~ S. i I Y".«k ~ WATER LINE r. r . I PROPER Y~ i . ~ _.....1 _ ~ ~ ,~,INES, «TYP ~,LON~ JOFi~; , . , I PROPERTY ~ .~II4 . n `dig INE TYP ~ _ ~ ~ ~ ! ~ , . . ' SANITARY SEW~fR ~ ~ I ? ; f`~-i q21~ f ..SEE SI-IE~T~,.PGv7 END OUl`FA~ E' I ~ ? ' ~ S~C'A. 22+88.(0 e ~ u P1N 150. ~ _ ~ ~ ~ I _ . I ~ ~ ~ 164 24 6 I ~,d ~ . rn : _ ~ ? 41.5 L FEN ~E' ~ JIG . i : 001 ~ STA. 24+19.1 ~ N L; 3`'A IS IN EX T G,- I~ ~~..D.L., , ~ ? I'1~1914` SSE.. NOTE; 7 , < < : ..................h I 5 0 ' C0~1MU,NITY S A. .4 N~~ 1.5 ?p.~~~, ~ i"1~1 918 _ ~ .WELL, I:; I " NG ,A 205 42 I ~ S A. 18+3b. 7 CHAIN s~~ CHAIN LINK. FENC 4 ~n,; µ , STA. 20+57.4(0 ~/E q . i I'1N 913 T „ . . ,3 , , ~ ; SEE I . ;rat ~ 17+~6 SEE NOTE 7 . I ~~5 ~ a}' 04 , Oq 199 5 3 ° ~ STA. . i a ~ 93 . . , _ 13 MI-I 9 2 1 . ~ ~ STA. -I NTERLE - .:..,~rlr.... , ~ ~ ~ ~ o . , . A 15~°48' ;.a 32 7+0 _ r• ~ ~ n ~ . , ~ ST - C EEK r- TYP ) ~ ~ u _ R : rn _ ~ ; , Exl T. 6 Q"c ; ,195 54 40 . , ~ `1 ' ~ s, P,. . r rn WATER LINE ~ , . i ...e, , , , r : , I X15TING -UNDERGROU D ,..f~m , II 7 , i ~ 1 UTILITIES; 5 (TYP 1 i ~Q` . . ~rn ~ . , S . a ~ 4 , , 1"11-1 919 ~ ~ ; ~ I , ; ~ z - x i T f . rn ~ ~ MN 917 917 + 10 STA. 21 ,05:67,, . ~r~~~~ rn , , ~ "Ii ~ c b ~i ~ • i i 9 ? a I 4. 20+17.93 ~ ' " i ` 5710 TYP 171 . / i u ~ . , WETLANDS AINAGE , , w ,.............288 65 ~ u 3 '43'50" i I . EXISTING FENGf ; J . ~ . .w.~... EASEMENT ~0 TE>'1PORARY G,... ~ . _ _ ~ I 5 TY 5 TEMP R , ~Y : , E t P ~oNSTRUCTION ~ , 4~ ~ ID ~ ; ~ C I CONSTI~U~TION ~ . - I XIST. FEN E BASEMENT TYP , O ,r. - ~ O ~~,~"iH, 9o9B , . EXISTir . 7 EASEMENT TYP ° . , ' ~ .I EXISTING FENCE , I + - .~r - ,SEE NOTE ~ 20 PER~1ANENT,,~k1TILITY ; ~ SEE NOTE 7 9A STA.. 14+24.72 ;;~f.: , ~ ~ 20 ;PERMANENT SEE i~ N 90 J EA~EI~.E~T' TYP .1 ~P ~ ; A ..I.I.+3(o~.07 .~.M.,, ~ 20' ~ ~ RMANENT.;........__.. _....__..UTILITY ;EASEMENT `>•YP Ut ST CONSTiRU~TION OF / P~ SPLIT (~AI _ I , ` ILI~'Y EASEMENT TYPE GRAV,IT'~ I~~AIN I : . ~ 51-TALL Bg CONFIN 10 EMP~R RY ~ E NOTE 7 1+ . / ~t ~ . ION ~ ~ CONSTRUCT T O 20 I?R~11 N/~GE CROSS'1 NG BY ~ ~ ~ ~S ~ ~ F r I ~ N S NO ° ; , EASE..M.ENT ,TYP EASEME T A ~ N CUT;:' . . ~ T a ::n _ ~ - TAEA ~ RE :WAY , a.. ~ ..STA. 15+19.9. , , ~ ~ ~ ~ 1 _ - RO~RT STEVENSON DRfVE Y SANITARY--SEWER - . r " 115023 . , ~ ~ t~ . _ ~ SANITARY SEWER ` SEE SI-LEFT P(~5 , : _ ~ O '7 y ~ - , ~ - : 1 ~:4 ~ \ / i':. i~ -Y ~V N t0 0 i-cY ~ r Z t~OQ Y ~ wq ~ Y co 3 w • ~ .V - ~n NN O X04 c~`, m_ . 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E ~ _ 1 i .,......_y ~tt .._t.... ~ ' .........................................q...................... ......................i .........i...,.... ..1 _ E. , ......................_~..........._........_.........................j....................... 1. - 18+00 10 15+00 I b+00 17+00 + 21+00 22+00 23+00 24+00 19+N 21 Ii +00 13+00 14+00 11+00 12 DMISION II Date: NOTE= r ~ r 50 25 0 50 10 OR MAY FIELD ADJUST OR DELETE MIAI~FIOLES SHOWN ON THI APRIL 2002 1 I CONTRACT ~ l00 SHEET TO AVOID CONFLICTS WITH STRUCTURE AND TO FACILITATE EAS scale: NOTES OF CONSTRUCTION ALONG DITCH LINE. ALL FIELD MODIFICATIONS MUST is=5o' +~oR G. CONTRACTOR SHALL REBUILD AND RESTORE ALL NE4DWALLS DESTROYED DURING BE APPROVED 8Y THE ENGINEER AND OWNER. 10" PVC GRAVITY SEWER STA. 10+50 TO STA. 24+19.18 I -5 VERT I Drawn: I, CONTRACTOR TO VERIFY SIZE DEPTH MATERIAL AND LOCATION OF ALL I INAL CONDITION PRIOR TO CONSTRUCTION. CONTRACTOR OF CONSTRUCTION. CONSTRUCTION TO THE OR G N UTILITIES PRIOR TO THE START Imp, HORIZONTAL I" _ 50' EXISTING UNDERGROU D SHALL FURNISH ALL LA80R ANO MATERIALS AS REQU _ 50 AND REPLACE/REINSTALL EXISTING DRIVEWAY ALL PVC PIPE SHALL BE PVC SDR-35 FOR GRAVITY SEWER AND PVC cMt; SDR-21 FOR FORCE MAIN UNLESS OTHERWISE SHOWN. c c 2. CONTRACTOR SHALL REMOVE RphOVE AND REINSTALL EXISTING FENCE(s) AS REQUIRED FOR PIPES AS REQUIRED TO INSTALL GRAVITY SEWER. 7. CONTRACTOR SHALL S DAMAGED AS A RESULT OF CONSTRUCTION SNAIL BE r ~ r u~ISTRUCTION. ALL FENCE() 5 2.5 0 5 10 3. CONTRACTOR SNAIL BE RESPONSIBLE FOR BRACING/SUPPORTING POWER POLES n', S OF LIKE MATERIALS 8Y THE CONTRACTOR. GDNTRACTOR i AWB 10 EMgNE>AS ~ PLANERS • SURVEYORS Project o: . _ ~ r.. ww?Iw•rn~ ~rtl/1?1 At TL1C /~AVI.1'Y S~~Q WITH NEW FENCE(_ _ _ . ~ . ~ mow, „w~~ A5 KtJGAJIKCU I U rAC.iu i A 1 c was 1 Ful-, r awn w 1 ns- vfnr•. • 1, • SHALL FURNISH ALL LABOR AND mATEKIALS A~ K=wviK=w. mn wWm moo. sue,,, s 5~ Cwr, NORTH crAOwu xrn, 04a4-0017 4.G L BE RESPONSIBLE FOR REPLACING, RESTORING AND/OR 8. ALL DUCTILE IRON SMALL BE LINED WITH PRO?ECTO 401 CERAMIC LINING ~LTRAGtOR SMAL ADDRESSES PAINTED ON EXISTING OR S9~IPER COAT LINING. VERTICAL : I" = 5 REPAINTING ALL PAVEMENT MARKINGS AND STREET CURB t UTTER OBLITERATED DURING CONSTRUCTION. THE CONTRACTOR SMALL G 9. TERMINATION MANHOLES SMALL BE FIELD ADJUSTED/LOCATED AS REQUIRED FURNISH ALL LABOR AND MATERIALS AS REQUIRED TO NEW HANOVER COUNTY Sher P61 S- CONTRACTOR SMALL BE RESPONSIBLE FOR REPLACING ALL OF THE NEW HANOVER ENSURE ADEQUATE SEWER SERVICE. COUNTY HORIZONTAL 'CONTROL POINTS ON ESTROYED DURING CONSTRUCTION NOTE . CONTRACTOR SHALL ING 'CONTROL POINTS' ARE NOT SHOWN ON THE CONSTRUCTION SEWER MAIN. THIS SHEET FLUSH WITH Es ON NORTH CAROLINA THAT THESE EXIST N PROVIDE SHORING OF TRENCH FOR INSTALLATION OF tHE NEW INSTALL ALL MANHOLES WITH REV W. vEscwma+ ona MIDDLE SOUND REGIONAL It SHALL BE THE CONTRACTORS RESPONS151LITY TO LOCATE, VERIFY AND REPLACE THE EXISTING GROUND THESE OCONTROL POINTS*. THE CONTRACTOR SHALL FURNISH ALL LA1~OR AND JND REVISIONS WASTEWATER FACILITIES IMPROVEMENTS MATERIALS AS REQUIRED. 23