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HomeMy WebLinkAbout20030571 Ver 1_COMPLETE FILE_20030508F y4 n 1 ? 0 RQG rvncnarsi r. casiey, uuvttmur William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources ?- Alan W. Klimek, P.E. Director >_ =1 Division of Water Quality June 2, 2003 DWQ# 03-0571 Alamance County Mr. Ray Fogleman City of Graham P.O. Box 357 Graham, NC, 27253 APPROVAL of 401 Water Quality Certification with Additional Condition Dear Mr. Fogleman: You have our approval, in accordance with the attached conditions, to temporarily excavate 150 linear feet of perennial streams in order to construct two waterline utility crossings associated with the City of Graham's water supply system in Alamance County, as you described in your application received by the Division of Water Quality on May 8, 2003. After reviewing your application, we have decided that this fill Is covered by General Water Quality Certification Number 3374, which can be viewed on our web site at htta://h2o.enr.state.nc.us/ncwetlands . This Certification allows you to use Nationwide Permit Number 12 when Issued by the Corps of Engineers. In addition, you should get any other federal, state or local permits before you go ahead with your project including (but not limited to) Sediment and Erosion Control, Randleman Buffer Rules, Coastal Stormwater, Non-Discharge and Water Supply Watershed regulations. Also this approval will expire when the accompanying 404 permit expires unless otherwise specified in the General Certification. This approval is only valid for the purpose and design that you described in your application. If you change your project, you must notify us in writing and you may be required to send us a new application for a new certification. If the property is sold, the new owner must be given a copy of the Certification and approval letter and is thereby responsible for complying with all conditions. If total wetland fills for this project (now or in the future) exceed one acre, compensatory mitigation may be required as described in 15A NCAC 2H .0506 (h). For this approval to be valid, you must follow the conditions listed in the attached certification and the additional condition listed below: 1. Upon completion of all work approved within the 401 Water Quality Certification or applicable Buffer Rules, and any subsequent modifications, the applicant is required to return the attached certificate of completion to the 401/Wetlands Unit, North Carolina Division of Water Quality, 1650 Mail Service Center, Raleigh, NC, 27699-1650; If you do not accept any of the conditions of this certification, you may ask for an adjudicatory hearing. You must act within 60 days of the date that you receive this letter. To ask for a hearing, send a written petition which conforms to Chapter 1508 of the North Carolina General Statutes to the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, N.C. 27699-6714. This certification and its conditions are final and binding unless you ask for a hearing. This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water Act. If you have any questions, please telephone Cyndi Karoly in our Central Office in Raleigh at 919-733-9721. Sincerely, Alan W. Klimek, P.E. AW K/cbk Attachments cc: Corps of Engineers Raleigh Regulatory Field Office Winston-Salem DWO Regional Office Central Files File Copy Todd Ball, 200 South Old Statesville Road, Huntersville, NC, 28078 030571 N . C. Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 (919) 733-7015 Customer Service 1 800 623-7748 Triage Check List Date: S- I Z- 0 3 Project Name: To: ? ARO Mike Parker ? FRO Ken Averitte ? MRO Alan Johnson ? RRO Steve Mitchell ter, / Bae'k crft4. DWQ#: Os - OS 7 County: Pr mo o ^cc_ ? Wa.RO Tom Steffens ? WiRO Noelle Lutheran 2 WSRO Cyndi Karoly (Central Office) From: ?Aly.e_ 'V? - Telephone : (919) The file attached is being forwarded to your for your evaluation. Please call if you need assistance. ?tream length impacted ? Stream determination ? Wetland determination and distance to blue-line surface waters on USFW topo maps P?Vinimization/avoidance issues Buffer Rules (Meuse, Tar-Pamlico, Catawba andle ? Pond fill ? Mitigation Ratios ? Ditching ? Are the stream and or wetland mitigation sites available and viable? Check drawings for accuracy ? Is the application consistent with pre-application meetings? ? Cumulative impact concern Comments: Triage Check List ate: S - I Z - 3 Project Name: z 3art' Cre'e DWQ#: 03 - 05 7 County: o..&\ 0..v+C. To: ? ARO Mike Parker ? WaRO Tom Steffens ? FRO Ken Averitte ? WiRO Noelle Lutheran ? MRO Alan Johnson ,® WSRO Cyndi Karoly (Central Office) ? RRO Steve Mitchell From: L?Vk? A.. Telephone : (919) The file attached is being forwarded to your for your evaluation. Please call if you need assistance. 2?-Stream length impacted ? Stream determination ? Wetland determination and distance to blue-line surface waters on USFW topo maps Pf'?Minimization/avoidance issues Buffer Rules (Meuse, Tar-Pamlico, Catawba dle ? Pond fill ? Mitigation Ratios ? Ditching ? Are the stream and or wetland mitigation sites available and viable? EY-Check drawings for accuracy ? Is the application consistent with pre-application meetings? ? Cumulative impact concern :omments: F'C E rr ameO i May 7, 2003 Mr. John Dorney, Environmental Supervisor Division of Water Quality 401 Wetlands Unit 1650 Mail Service Center Raleigh, NC 27699-1650 W'TLANDS1401 GROUP MAY NTERQUALITYSECTION Re: Pre-Construction Notification Application Form Submittal for the City of Graham - Section 404 Permit and 401 Water Quality Certification Processing for Stream Crossings at the Haw River and Back Creek Alamance County, North Carolina Dear Mr. Dorney: AMEC Earth and Environmental, Inc. of North Carolina (AMEC) is pleased to submit this Pre- Construction Notification (PCN) Application Form for the City of Graham for stream crossings at the Haw River and Back Creek in Alamance County, North Carolina. The project is located approximately 2.5 miles southeast of Graham. The project consists of two stream crossings at Hwy 54 for the installation of a water supply system for the City of Graham. The stream crossing construction will involve trenching for the installation of a 12-inch water line to an approximate depth of 3 feet beneath the stream channels and installation of concrete thrust ring restraints along the stream banks. Impact to the Haw River will be 100 linear feet. Impact to Back Creek will be 50 linear feet. Alternate design involving the use of existing bridges for pipe suspension was originally proposed for this project but rejected by NCDOT and therefore not an option. Seven copies of the PCN are enclosed for your review and the $475 fee is attached. Please do not hesitate to contact me if you should have any questions or comments. Sincerely, AMEC Earth and Environmental, Inc. of North Carolina /4/x4- 4? 04?_ n LJ Todd Ball, CRS Senior Consultant Direct Tel.: (704) 875-3570 ext.126 Direct Fax: (704) 875-8718 E-mail: todd.ball@amec.com Earth & Environmental, Inc. 200 South Old Statesville Road Huntersville, North Carolina 28078 Tel +(704) 875-3570 Fax +(704) 875-8718 www.amec.com • Office Use Only: Form Version May 2002 USACE Action ID No. DWQ No. (If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".) 1. Processing Check all of the approval(s) requested for this project: ® Section 404 Permit ? Riparian or Watershed Buffer Rules ? Section 10 Permit ? Isolated Wetland Permit from DWQ ® 401 Water Quality Certification 2. Nationwide, Regional or General Permit Number(s) Requested: 12 3. If this notification is solely a courtesy copy because written approval for the 401 Certification is not required, check here: ? 4. If payment into the North Carolina Wetlands Restoration Program (NCWRP) is proposed for mitigation of impacts (verify availability with NCWRP prior to submittal of PCN), complete section VIII and check here: ? • 5. If your project is located in any of North Carolina's twenty coastal counties (listed on page 4), and the project is within a North Carolina Division of Coastal Management Area of Environmental Concern (see the top of page 2 for further details), check here: ? II. Applicant Information 1. Owner/Applicant Information Name: City of Graham - Ray Fogleman (City Manager) Mailing Address: P.O. Box 357 Graham. N.C. 27253 Telephone Number: (336) 570-6700 Fax Number: (336) 570-6703 E-mail Address: 2. Agent/Consultant Information (A signed and dated copy of the Agent Authorization letter must be attached if the Agent has signatory authority for the owner/applicant.) Name: AMEC Earth and Environmental Inc., of North Carolina Company Affiliation: Primary Consultant Mailing Address: 200 South Old Statesville Road Huntersville, N.C. 28078 Telephone Number: (704) 875-3570 Fax Number: (704) 875-8718 E-mail Address: todd.balKi,amec.com Page 5 of 13 0111. Project Information Attach a vicinity map clearly showing the location of the property with respect to local landmarks such as towns, rivers, and roads. Also provide a detailed site plan showing property boundaries and development plans in relation to surrounding properties. Both the vicinity map and site plan must include a scale and north arrow. The specific footprints of all buildings, impervious surfaces, or other facilities must be included. If possible, the maps and plans should include the appropriate USGS Topographic Quad Map and NRCS Soil Survey with the property boundaries outlined. Plan drawings, or other maps may be included at the applicant's discretion, so long as the property is clearly defined. For administrative and distribution purposes, the USACE requires information to be submitted on sheets no larger than 11 by 17-inch format; however, DWQ may accept paperwork of any size. DWQ prefers full-size construction drawings rather than a sequential sheet version of the full-size plans. If full-size plans are reduced to a small scale such that the final version is illegible, the applicant will be informed that the project has been placed on hold until decipherable maps are provided. 1. Name of project: Haw River/Back Creek 2. T.I.P. Project Number or State Project Number (NCDOT Only): 3. Property Identification Number (Tax PIN): • 4. Location County: Alamance Nearest Town: Graham Subdivision name (include phase/lot number): Directions to site (include road numbers, landmarks, etc.): From I-85 in Graham, take N.C. Hwy 54 South (exit #148). Go South on Hwy 54 for 1.5 miles to the Haw River and 1.8 miles to Back Creek. Project is located at the two bridge crossings 5. Site coordinates, if available (UTM or Lat/Long): Utility Line Crossing Coordinates: 36° 02' 45" N, 79° 22' 05" W (Haw River) / 36° 02' 36" N, 79° 21' 49" W (Back Creek) (Note - If project is linear, such as a road or utility line, attach a sheet that separately lists the coordinates for each crossing of a distinct waterbody.) 6. Property size (acres): Linear 7. Nearest body of water (stream/river/sound/ocean/lake): Haw River 8. River Basin: Cape Fear (Note - this must be one of North Carolina's seventeen designated major river basins. The River Basin map is available at http://q12o.eiu.state.nc.us/admiii/nigLis/.) 9. Describe the existing conditions on the site and general land use in the vicinity of the project at the time of this application: Rural undisturbed easement. Page 6 of 13 • 10. Describe the overall project in detail, including the type of equipment to be used: The project consists of two stream crossings at Hwy 54 for the installation of a water supply system. Construction will consist of the installation of a 12" DIP Class 350 water line with concrete blocking beneath the stream channels and installation of concrete thrust ring restraints along the stream banks. The water line trench will be excavated with a track hoe to an approximate depth of 3 feet along the stream crossings. Areas with shallow outcropping will be trenched by blasting. All trenching will be properly backfilled with like materials. Impact to the Haw River will be 100 linear feet. Impact to Back Creek will be 50 linear feet. 11. Explain the purpose of the proposed work: The water supply system will be used by the City of Graham for the purposes of municipal water supply and fire control. • IV. Prior Project History If jurisdictional determinations and/or permits have been requested and/or obtained for this project (including all prior phases of the same subdivision) in the past, please explain. Include the USACE Action ID Number, DWQ Project Number, application date, and date permits and certifications were issued or withdrawn. Provide photocopies of previously issued permits, certifications or other useful information. Describe previously approved wetland, stream and buffer impacts, along with associated mitigation (where applicable). If this is a NCDOT project, list and describe permits issued for prior segments of the same T.I.P. project, along with construction schedules. V. Future Project Plans Are any future permit requests anticipated for this project? If so, describe the anticipated work, and provide justification for the exclusion of this work from the current application. 0 Page 7 of 13 • VI. Proposed Impacts to Waters of the United States/Waters of the State It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to wetlands, open water, and stream channels associated with the project. The applicant must also provide justification for these impacts in Section VII below. All proposed impacts, permanent and temporary, must be listed herein, and must be clearly identifiable on an accompanying site plan. All wetlands and waters, and all streams (intermittent and perennial) must be shown on a delineation map, whether or not impacts are proposed to these systems. Wetland and stream evaluation and delineation forms should be included as appropriate. Photographs may be included at the applicant's discretion. If this proposed impact is strictly for wetland or stream mitigation, list and describe the impact in Section VIII below. If additional space is needed for listing or description, please attach a separate sheet. 1. Provide a written description of the proposed impacts: Temporary impacts associated with excavation of streambed trench and below bankfull impacts. All disturbed areas will be re-stabilized with natural material and excavated streambed material will be replaced with like material. 2. Individually list wetland impacts below: • Wetland Impact Site Number indicate on ma Type of Impact* Area of Impact acres Located within 100-year Floodplain** es/no Distance to Nearest Stream linear feet Type of Wetland*** List each impact separately and identity temporary impacts. Impacts include, but are not limited to: mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams, separately list impacts due to both structure and flooding. ** 100-Year floodplains are identified through the Federal Emergency Management Agency's (FEMA) Flood Insurance Rate Maps (FIRM), or FEMA-approved local floodplain maps. Maps are available through the FEMA Map Service Center at 1-800-358-9616, or online at http://,ANN?a.fenia._i?ov. *** List a wetland type that best describes wetland to be impacted (e.g., freshwater/saltwater marsh, forested wetland, beaver pond, Carolina Bay, bog, etc.) Indicate if wetland is isolated (determination of isolation to be made by USACE only). List the total acreage (estimated) of all existing wetlands on the property: Total area of wetland impact proposed: 0 Acres 3. Individually list all intermittent and perennial stream impacts below: • Stream Impact Length of Average Width Perennial or Site Number Type of Impact* Impact Stream Name** of Stream Intermittent? indicate on ma) (linear feet Before Impact leasespecify) I Temporary 100' Haw River 100' Perennial Trench 2 Temporary 150' Back Creek 50' Perennial Trench Page 8 of 13 • * List each impact separately and identify temporary impacts. Impacts include, but are not limited to: culverts and associated rip-rap, dams (separately list impacts due to both structure and flooding), relocation (include linear feet before and after, and net loss/gain), stabilization activities (cement wall, rip-rap, crib wall, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is proposed, plans and profiles showing the linear footprint for both the original and relocated streams must be included. ** Stream names can be found on USGS topographic maps. If a stream has no name, list as UT (unnamed tributary) to the nearest downstream named stream into which it flows. USGS maps are available through the USGS at 1-800-358-9616, or online at ,,s•gov. Several Internet sites also allow direct download and printing of USGS maps (e.g., vnvw.tozone.com, www.usp www.mapqucst.com, etc.). Cumulative impacts (linear distance in feet) to all streams on site: 4. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic Ocean and any other water of the U.S.) below: • Open Water Impact Site Number indicate on ma Type of Impact* Area of Impact acres Name of Waterbody (if applicable) Type of Waterbody (lake, pond, estuary, sound, bay, ocean, etc. * List each impact separately and identify temporary impacts. Impacts include, but are not limited to: fill, excavation, dredging, flooding, drainage, bulkheads, etc. 5. Pond Creation If construction of a pond is proposed, associated wetland and stream impacts should be included above in the wetland and stream impact sections. Also, the proposed pond should be described here and illustrated on any maps included with this application. Pond to be created in (check all that apply): ? uplands ? stream ? wetlands Describe the method of construction (e.g., dam/embankment, excavation, installation of draw-down valve or spillway, etc.): Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond, local stormwater requirement, etc.): Size of watershed draining to pond: Expected pond surface area: VII. Impact Justification (Avoidance and Minimization) Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide information related to site constraints such as topography, building ordinances, accessibility, and financial viability of the project. The applicant may attach drawings of alternative, lower-impact site layouts, and explain why these design options were not feasible. Also discuss how impacts Page 9 of 13 were minimized once the desired site plan was developed. If applicable, discuss construction techniques to be followed during construction to reduce impacts. Coffer dams and silt curtains. Temporary erosion control measures on banks include silt fencing and mattine. VIII. Mitigation DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC Division of Water Quality for projects involving greater than or equal to one acre of impacts to freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial streams. USACE - In accordance with the Final Notice of Issuance and Modification of Nationwide Permits, published in the Federal Register on March 9, 2000, mitigation will be required when necessary to ensure that adverse effects to the aquatic environment are minimal. Factors including size and type of proposed impact and function and relative value of the impacted aquatic resource will be considered in determining acceptability of appropriate and practicable mitigation as proposed. Examples of mitigation that may be appropriate and practicable include, but are not limited to: reducing the size of the project; establishing and maintaining wetland and/or upland vegetated buffers to protect open waters such as streams; and replacing losses of aquatic resource functions and values by creating, restoring, enhancing, or preserving similar functions and values, preferable in the same watershed. If mitigation is required for this project, a copy of the mitigation plan must be attached in order for USACE or DWQ to consider the application complete for processing. Any application lacking a required mitigation plan or NCWRP concurrence shall be placed on hold as incomplete. An applicant may also choose to review the current guidelines for stream restoration in DWQ's Draft Technical Guide for Stream Work in North Carolina, available at http:Hh2o.enr.state.nc.us/newetlands/strm;;ide.html. 1. Provide a brief description of the proposed mitigation plan. The description should provide as much information as possible, including, but not limited to: site location (attach directions and/or map, if offsite), affected stream and river basin, type and amount (acreage/linear feet) of mitigation proposed (restoration, enhancement, creation, or preservation), a plan view, preservation mechanism (e.g., deed restrictions, conservation easement, etc.), and a description of the current site conditions and proposed method of construction. Please attach a separate sheet if more space is needed. No mitigation tier NWP12 conditions. U Page 10 of 13 2. Mitigation may also be made by payment into the North Carolina Wetlands Restoration Program (NCWRP). Please note it is the applicant's responsibility to contact the NCWRP at (919) 733-5208 to determine availability and to request written approval of mitigation prior to submittal of a PCN. For additional information regarding the application process for the NCWRP, check the NCWRP website at http://h2o.enr.state.nc.us/wip/index.htm. If use of the NCWRP is proposed, please check the appropriate box on page three and provide the following information: Amount of stream mitigation requested (linear feet): Amount of buffer mitigation requested (square feet): Amount of Riparian wetland mitigation requested (acres): Amount of Non-riparian wetland mitigation requested (acres): Amount of Coastal wetland mitigation requested (acres): IX. Environmental Documentation (required by DWQ) Does the project involve an expenditure of public (federal/state) funds or the use of public (federal/state) land? Yes ® No ? If yes, does the project require preparation of an environmental document pursuant to the requirements of the National or North Carolina Environmental Policy Act (NEPA/SEPA)? Note: If you are not sure whether a NEPA/SEPA document is required, call the SEPA coordinator at (919) 733-5083 to review current thresholds for environmental documentation. Yes ? No If yes, has the document review been finalized by the State Clearinghouse? If so, please attach a copy of the NEPA or SEPA final approval letter. Yes ? No ? X. Proposed Impacts on Riparian and Watershed Buffers (required by DWQ) It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to required state and local buffers associated with the project. The applicant must also provide justification for these impacts in Section VII above. All proposed impacts must be listed herein, and must be clearly identifiable on the accompanying site plan. All buffers must be shown on a map, whether or not impacts are proposed to the buffers. Correspondence from the DWQ Regional Office may be included as appropriate. Photographs may also be included at the applicant's discretion. Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233 (Meuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 2B .0250 (Randleman Rules and • Water Supply Buffer Requirements), or other (please identify )? Yes ® No ? If you answered "yes", provide the following information: Page 11 of 13 Identify the square feet and acreage of impact to each zone of the riparian buffers. If buffer mitigation is required calculate the required amount of mitigation by applying the buffer multipliers. Zone* Impact (square feet) Multiplier Required Mitigation 1 250 3 2 250 1.5 Total 500 * Zone 1 extends out 30 feet perpendicular from near bank of channel; Zone 2 extends an additional 20 feet from the edge of Zone 1. If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e., Donation of Property, Conservation Easement, Riparian Buffer Restoration / Enhancement, Preservation or Payment into the Riparian Buffer Restoration Fund). Please attach all appropriate information as identified within 15A NCAC 2B .0242 or. 0260. Buffer impacts will be revegetated at standard DWQ ratios. 0 XI. Stormwater (required by DWQ) Describe impervious acreage (both existing and proposed) versus total acreage on the site. Discuss stormwater controls proposed in order to protect surface waters and wetlands downstream from the property. XII. Sewage Disposal (required by DWQ) Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater generated from the proposed project, or available capacity of the subject facility. XIII. Violations (required by DWQ) Is this site in violation of DWQ Wetland Rules (15A NCAC 2H .0500) or any Buffer Rules? Yes ? No Is this an after-the-fact permit application? Yes ? No XIV. Other Circumstances (Optional): Page 12 of 13 • It is the applicant's responsibility to submit the application sufficiently in advance of desired construction dates to allow processing time for these permits. However, an applicant may choose to list constraints associated with construction or sequencing that may impose limits on work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and Threatened Species, accessibility problems, or other issues outside of the applicant's control). !,, is s ApplicanuAgent's Signature Date (Agent's signature is valid only if an authorization letter from the applicant is provided.) Page 13 of 13 r r AC CRlD (MAD 83) OO A!Y Q??W 00 t nD t?e D? D9.7 D •,7 . ?W,j h e?m y{ e ,! ?- Stwftec Corsunilg Inc. /LV,?//// Suite uite 2 200, 150 Oak Plazu Blvd. Winston-Salem NC U.SA 27105 Tel. 336.759.7400 Fos. 336.759.7900 4A a m.stantec.com LL DRIVE ' e ar•r e - - CDpflW Reserved The Contractor shill verify and he rasparmYle for am 6measias. DO NOT soak the drawing - any errs- a unissians shol be reported to Stontec Consulting Inc. riDiaut delay. The Copyrights to ON designs and drawings are the property of Ii Stardec Consulting Inc. Reproduction or use for any purpose other than that authorized by Stontec CanuNiq Inc B forbidden. 4 LOOP ROAD I SARA LEE CORPARATION .? 1 1 1000 E. HANES MILL RD. t 'MNSTON-SALEM, NC • y BLOCK: 4841 LOT: 123 / -_- PIN:6829-71-5678 • 1 - MAPt-624890 ACREAGE: 94.41 i I UPLAND AMENITY PONDS f (YIN-MADE) DELINATED WETLANDS 0.09 AC • OUTDOOR PAS4e0N • : 1 • •1 1 • I ,t -------- r --- I, A ------ - / i R/ 1I' ----- ---- FORM LAKE ' 6StAEAF a P E `-_--- - - - NORMAL PD0. 1M.43 L 69t 1 NY. 67991 7f ACES Es POND ! l p1.W VALVE HARE \ / ?' - una I ura I ` ? Iwal a r®A. GRAPHIC SCALE 700 0 ISO 700 No i? ? I 0 EXrSTWG 5 STORY BRICX OU&MG L LOADING I ( f Ela57MC STAND ! MATURE OAKS Ex STORMINATER D (AET) v, Pow (WET) ( 'Y?4 p'?T^• I 1 own Et? ? 11 ,?1 1200 a I ? 0 r 1 r Thomas Ph'der and Partners 180 Vaud; Street New York, New York 10014 T. 212.331.0334 SARA LEE BRAD APPAREL FEADQUARTM ( IN FEET ) 1 inch = 300 M IEW xa REeM ---- -- --- - - r x-t AC CBID (NAP 83) it r i , E , ?A11 ? o 16 X TEMP l A ?'• ?? 1 t? All SE BASIN #2 aE#T amen sus w rF EP2 l? 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ENT 1 l ?C -?- N } 15 rD f L1 L /i 5 EASEMENT CONCRETE f ST-ING - CONCRETE-:iHRUST BASIN RING l Nsr 1 11 I 0 11 TAPu 1' ' 25' TEMPORARY GOER 1' f - _ f ` 1 .&rj ACROSS LINE 1 I 'rA ?Nr 1 I STILLING STA. 12+15 TO 16+83 BASIN 12' DIP CLASS 52 RESTRAINED JOINT S PIPE ALL JOINTS AND FITTINGS TO 1 P O J I ? i BE RESTRAINED JOINT SEE RIVER CROSSING DETAILS AND CONSTRUCTION SEQUENCE I 00 ON SHEET 12 OF 12. LEGEND EXISTING GRATE INLET EXISTING UNDERGROUND CC E)STING WATER VALVE GAS WIN EXSTNG FIRE HYDRANT EXISTING CNiW LINK FENCE EXISTNG MAILBOX EXSTNG WIRE FENCE =+ EXISTING POWER POLE EXISTING SIGN POST - - - ?,- _ - ;, - EXISTING UNDERGROUND TELEPHONE LIE E70STING GUARD RAL EXISTING UNDERGROUND TELEVISION LIFE - EXSTNG YIOODS LNE EXISTING - - =cc ND ADAPTED FROI FIBER OPTIC LINE C 3. D -W 11 k: 111c. 60 30 0 FEET 60 HAW RIVER CONSTRUCTION LAYOUT DRAIIIM NAREfi1ALTTPL MW\Hir.-n= DATE:Sa, SCALE Y mm - 66 ILl7 •mr 'm 11 PREPARED FOR: AUap, NUiamq Cmmrn k XbW, bro. I I= PREPARED BY- FIGURE. e.. M. I FFICURE 1 ROW co D n ROW ROW ROW ROW -----------------? - - - - - - - - - --_------------------_-- 1-12•x6' HYD. TEE H?!?? --_---- -_ -_-- 1 -6' GATE VALVE CONCRETE BRIDGE 1-HYD. w/ 5 1/4' 1-12' 22.5' BEND CONCRETE CONCRETE THRUST VALVE OPENING 2-12' MEGALUGS CONCRETE WINGWALL I RING RESTRAINT 2-6 MEGALUGS WINGWALL -? ,_-- ? ----- CONCRETE SIDEWALJC_----, -"-?T1?.500.2i -- --------- --- '--°-----_---?. ??-^___ 1-12' 11.25' BEND 2-12' MEGALUGS REMOVE TREES SEE RIVER CROSSING DETAIL AND CONSTRUCTION SEQUENCE ON SHEET 12 OF 12. 6' HWU.X f 14- z r , ? 4' 0 24' BD CliC ' 70. W .. 46 u 15 OAX J6' IEEDI 15 ' 15' 0? 15• PER ENT e, t 2 0 EASEM d? 40' TEMPORARY O 21 OM( r EASEMENT , b r , 31• (m 6' oAK EXISTING ' HOUSE r id 4c ' Y ROW fn rn SAVE rF uj TREE u3 5' TRD OAK 4' OAK 10, CON ETE THRU RING ESTRAINT 1-12' 22.5' BEND 1-12' 45' BEND t r0.- ?-' 10' - -- - - - STA. 33+75 TO 35+75 12" DIP CLASS 52 RESTRAINED JOINT PIPE ALL JOINTS AND FITTINGS TO BE RESTRAINED JOINT 50 25 0 FEET 50 millin BACK CREEK CONSTRUCTION LAYOUT oRWM NAIE:J\ACTMX..\MGMLJ164 oWC6/5/03 sme r nea - m lifr ¦mP ¦`re • rPRE WM FUR - FROM. AUeU I4 h=w Cmmen & gmW. I- = so= OW 500EMNIE wwo ? 20M 1 FIGURE 4 500 BE RES JOM i i ; I ( I , } ? i I I 1 i ? I ! 490 ! f 1 i I I ! ! i , I i IP 485 / "N ve BE JOM s amA TO J01B B P EN I IE STA 1 ASE 54 & ( 0N CR 16+30 EK CR tFIE CRE SS SE EK N ° g o Ex it W. aw 67 M THE N.C.D. .T. PLA NS FOR! CENTER NE DI 2 \ _ 8 R 1471W0 IVER AND OIDGE-N T FI L ) S.O.T. PROJEC T AN D NTS / I emrn BE ur 480 u ' IN HAW RIVER V SIGNI TLYi ?-12' 11 25 DUE TO THE I UENC ALL . 2' MIN. EVENTS THE W TER r ON 52 wA E THE S IS POR TH N D. uNE j THE ER/ NEER E H LD ?z4 SDO PSI RESPOIN SIBLE T R FLU MA P_ W ATER LEVEL ?I 12' 11-25 KW wA r 6 \ SIX 5/ 1 ACE EL 4/97 AS 70.47 / -- NCI -- 0T PROJE - NO. R- CT --- 2538 470 _ JOwf TO H w w J w U LL In 2-, „as 0 J Q 465 U 3 Of w > 12• DIP XASS 52 RESTRAIN11 JDINi 1 4PE. ALL JOIN S AND NGS TO BE RESTF NED JO . 6 460 60 30 0 FEET 60 HORIZONTAL SCALE 455 HAW RIVER CROSS-SECTION 450 ' dwnc w!IE:J :\Acz"z PW\Hii._F= DA7E 5/4 O i ? l If 1?i M M 0 4 N d i O i m l, 7 1 0? ?O O I fA Pt ? r'] ; ? MI I N to ! N 40 1-! M I N W I n ! N ° 1 N I tV ? N , C4 C4 ' L0 1 ? co! , ch i Ol n l ? O m i t m ? m OD l III 00 d m , 1 ? m 01 m i IAI Mi PREPARED FOR: W W m , m ! ao < m l ao fl a l GD a l m a l co a ; m o m f a Go ? l n ; •r il r; r .r? a l r , r r; n I a! a n i ? , .r , a l ? ! ? ? , , i ?' , ? <i : < ; W, W ? al < a ! a i a l ? I , i : l l I ? ? , i p, AUs 1 UUG MS Cmmfn 3 Xw Ina 11+00 11+50 12+00 12+50 13+00 13+50 14+00 14+50 15+00 15+50 16+00 16+50 17+00 17+50 18+00 p, . W, ADAPTED FROM: PREPARED BY. FKAJE. . I[1t'. ..4 __i ?? FIGURE 3