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20021760 Ver 1_COMPLETE FILE_20021101
?0? WAT?R4 William G. Ross Jr., Secretary ?0 G North Carolina Department of Environment and Natural Resources co 7 Alan W. Klimek, P.E. Director >_ y Division of Water Quality O December 9, 2002 DWQ# 02-1760 Iredell County Mr. J: Reid Gray 182 Gray House Road Stony Point, NC, 28678 APPROVAL of 401 Water Quality Certification Dear Mr. Gray: You have our approval, in accordance with the attached conditions, to place fill in 140 linear feet of streams and to flood 820 linear feet of streams in order to create a farm pond on your property in Iredell County, as described in your application received by the Division of Water Quality on November 1, 2002. After reviewing your application, we have determined that this fill is covered by General Water Quality Certification Number 3362, which can be downloaded from our web site at http://h2o.enr.state.nc.us . This Certification allows you to use Nationwide Permit Number 39 when it is issued by the U.S. Army 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, Non- Discharge and Water Supply Watershed regulations. You should send an application to the Division of Land Resources for their review of your project under dam safety rules as well as erosion and sediment control. 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. You are required to return the attached Certification of Completion form to notify DWQ when all work included in the 401 Certification has been completed. 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 150B 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 Alan Johnson in DWQ's Mooresville Regional Office at 704-663-1699 or Cyndi Karoly in Raleigh at 919-733- 9721. Sincerely, OrAGJ Alan W. Klimek, P.E. AW K/cbk Attachments cc: Corps of Engineers Asheville Regulatory Field Office Mooresville DWQ Regional Office Central Files File Copy Jim Summers, 444 Bristol Drive, Statesville, NC, 28677-2942 021760 N. C. Division of Water Quality 1617 Mail Service Center Raleigh, NC 27699-1617 (919) 733-7015 Customer Service 1 800 623-7748 MEMORANDUM TO: John Dorney Regional Contact: Non-Discharge Branch WO Supervisor: Date: SUBJECT: WETLAND STAFF REPORT AND RECOMMENDATIONS Facility Name J. Reid Gray Farm Pond Project Number 02 _ 1t60 Recvd From APP Received Date 11/1/02 Recvd By Region Project Type farm pond County fredell County2 Region Mooresville Certificates Stream Stream Impacts (ft.) Permit Wetland Wetland Wetland Stream Class Acres Feet '- Type Type Impact Score Index Prim. Supp. Basin Req. Req. 39 Stream O T -@N F 11-78-(0.5) WSN F-30,832. F 960.00 Mitigation Wetland MitigationType Type Acres Feet Is Wetland Rating Sheet Attached? O Y ON Did you request more info? 0 Y 0 N Have Project Changes/Conditions Been Discussed With Applicant? 0Y 0 N Is Mitigation required? O Y O N Recommendation: Q issue 0 Issue/Cond 0 Deny Provided by Region: Latitude (ddmmss) Longitude (ddmmss) Comments: The applicant has rete sted that a dam be constructed for the purpose of establishing a 3 acre farm pond, Because this farm (dairy) meets the requirements as a concentrated feedlot, it is inspected annually by this office, T he stream to be impacted is located in a pasture. There are no wetlands. The clam has been desig ned by the Soil and Water Conservation District Engineer. The footprint of the dam in the stream is to be 140 ft, or less. The 960 ft_ stated in the application includes the length of stream channel "impa cted" from flooding. The Soil and Water staff have been informed to contact the Corp of Engineers re garding tthe_project. No problems are anticipated. cc: Regional Office Central Office Page Number 1 f FILE COPY Qe4-obi- t? o 0 -L - X2171 ?i ??? ve OLCi 2 4 20-2 - ?r P4 e l v s 2 cZ ?Qnz s o c- Ca r?? -? c-ue?o r? -- off Q c" ??, .-rkt s e- o` S p ecf ; cCJ ? ? rv S 0? r r \r Sa, vv?, _L1.2. \ __ 13 : ,26 0. m r _ > LA O( Ze--sL,{ re e A c,? r s _ r e-al -- - Q.-eL d ie ?cJ v a iA a l -- - _ r _ d f ,-- rz 1-/ e- 1-i - - -A f 2 C _e _S_S ear e r ?.? t T . -- -1 Q - - o f?e r _i v?-?a rya r -- ??1 ? 2 v 61-k- - -OL Office Use Only: Form Version October 2001 USACE Action ID No. DWQ No. If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A" rather than leaving the space blank. I. Processing 1. Check all of the approval(s) requested for this project: Q Section 404 Permit ? Section 10 Permit Q 401 Water Quality Certification ? Riparian or Watershed Buffer Rules 2. Nationwide, Regional or General Permit Number(s) Requested: i 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 (see section vin - Mitigation), check here: ? H. Applicant Information 1. Owner/Applicant Information Name: , Mailing Address: I % 2 C- -44 i A6,, f Telephone Number: ©`f 1 (c N V Fax Number: E-mail Address: 2. Agent 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: Company Affiliation: ' Mailing Address: Telephone Number: Fax Number: E-mail Address: Page 5 of 12 :3 M. Project Information 4. 5. 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 't(decipherable maps'are provided. 1. Name of vroiect: J o 1?1C? G r4,4 FqT- rP 2. T.I.P. Project Number or State Project Number (NCDOT Only): 2 3. Property Identification Number (Tax PIN): 3 Z q ^,i ? 3q a3 s coo Location T ? i County: l Subdivision name (include phase/lot numix Site coordinates, if available (UTM or Lat/Long): "? - 7 1 .411 M (Note - If project is linear, such as a road or utility line, attach a sheet that coordinates for each crossing of a distinct waterbody.) 6. Describe the existing land use or condition of the site at the time of, this application: 7., Property size (acres): dG7 ?- ?-- 8. Nearest body of water (stream/river/sound/ocean/lake): R t..??Id S.?o4 ?S Ct Qe- 9. River Basin: ` C'?L. lam (Note - this must be one of North Carolina's seventeen designated major river basins. The River Basin map is available at h=://h2o.enr.state.nc.us/admin/mays/.) 0- fa Rla: i? f( k Page 6 of 12 Nearest Town: }z , ?' I e- T the purpose of the proposed work: "S- tj 0. C??_,- 4 ?1'Oo`1 3 ? gcscr e? 11. List the type of equipment to be used to construct the project. `Trole L"'e- - bL.111o ze_ 12. Describe the land use in the vicinity of this project: Q_r v vv I a-,- A b V&S --t„re- 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. (?? ? ?1 P 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: VL 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. Page 7 of 12 1. Wetland Impacts Wetland Impact Site Number indicate on ma) Type of Impact* Area of Impact acres Located within 100-year Floodplain** (yes/no) Distance to Nearest Stream inear feet) Type of Wetland'** - b d ' List each impact se parately and identify temporary im pacts, Impacts include, but are not limited to: mechanized clearinn arsAina fill excavabon, flooding, ditching(drainage, etc. For dates, separately list impacts due to both stnicdue and flooding. s: 100-Year floodplains are identified through the Federal Emergency Management Agency's (FEMA) Flood Insurance Rate Maps (FIRK, or FEMA-approved local floodplam maps. Maps are available through the FEMA Map Service Center at 1-800-358-9616, or online at ho://www.fLimeov. s:s List a wetland type that best describes wetland to be impacted (cg., freshwater/saltwater marsh, forested wetland, beaver pond, Carolina Bay, bog, etc.) List the total acreage (estimated) of existing wetlands on the property: i?l 8 N Total area of wetland impact proposed: RID vu P 2. Stream Impacts, including all intermittent and perennial streams Stream Impact Site Number indicate on map) Type of Impact* - Length of Impact - (linear feet Stream Name** Average Width of Stream Before Impact Perennial or Intermittent? lease specify) ?In I 94 lit 1 4tr1 t ,-, ?' G { 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/gam), stabilization activities (cement wall, rip-rap, crib wall, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is prop, 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 www.usgs.¢ov. Several internet sites also allow direct download and printing of USGS maps (e.g., www.topozone.com. www.trratwuest.eoOh etc.). f Cumulative impacts (linear distance in feet) to all streams on site: Page 8 of 12 3. Open Water Impacts, including Lakes, Ponds, Estuaries, Sounds, Atlantic Ocean and any other Water of the U.S. Open Water Impact Site Number indicate on ma Type of Impact' Area of Impact acres Name of Waterbody (if applicable) Type of Waterbody Oake pond °StY. sod bay, ocean, etc. s r -- --T"' - '....,...y wu,}nua,y uupu m Uupaco MCRMe, Wit are not limited to' iiII, excavation, dredging, flooding, drainage, bulkheads, etc. 4. 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/ ankment, excavation, installation of draw-down valve or spillway, etc.): m (moo si , excr , { ?,, ?? C ?t L3s4 Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond, local stormwater requirement, etc.):-f--A;-e54--c k cnn., ,r-t" c?,as eo frrrcr- 4-1, - % r- Ilrt Cle ..a 0:.,'t vim:\d k*c- k3 '- Y Size of watershed draining to pond: 32 1 Expected pond surface area: 3, (a AL. cr 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 were minimized once the desired site plan was developed. If applicable, discuss construction techniques to be followed during construction to reduce impacts. (o"?{-' .-c_+i c.ti ie-c h N-, `i u. cry Cc-' P, 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. Page 9 of 12 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 httu://h2o.enr.state.nc.us/ncwetlands/strmgide 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. 2. Mitigation may also be made by payment into the North Carolina Wetlands Restoration Program (NCWRP) with the NCWRP's written agreement. Check the box indicating that you would like to pay into the NCWRP. Please note that payment-into the NCWRP must be reviewed and approved before it can be used to satisfy mitigation requirements. Applicants will be notified early in the review process by the 401/Wetlands Unit if payment into the NCWRP is available as an option. For additional information regarding the application process for the NCWR.P, check the NCWRP website at ba.//h2o.enr.state nc us/wWriindex 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): Page 10 of 12 IX. Environmental Documentation (DWQ Only) Does the project involve an expenditure of public funds or the use of public (federal/state/local) 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 (DWQ Only) 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 identi fy V Yes ? No ? If you answered "yes", provide the following information: 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* '` Multiplier ed kmiarr foot) ?q • 2 1.5 Total Zone 1 extends out 30 feet perpendicular from near bank of channel; Zone 2 extends an additional 20 feet from the edge ofZone 1. Page 11 of 12 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.6242 or .0250. XI. Stormwater (DWQ Only) 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 (DWQ Only) 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. X1II. Violations (DWQ Only) 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): 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). Applicant/Ag s Signature (Agent's si a is valid only if an authorization letter ? - 2 / -- C12 OF Date the applicant is provided.) Page 12 of 12 IV f? _1 .? l \:. U_ ?? C(,? ? -/J tf"cam ? ` +' \\\\ f ?R ? ??,..... ? . . ? 1 J \ \ N \? \ C\_. \ \ \ ?? J \\ \ \ ,\ \ ` ?? , -N"" :f?':{C J? "Af ' so lo w. L Nj\ ?- 4 3 ?i X7* co' i Qr •'?idGS f ? 'a l f .. ?w.l "mil ? - • _J f ` ?. ? ,? ?. ,?h ? ' ?' ? ?"? 3 f"?'. ` { 3 `. Cam ?' - :`,? ` .' r •- +..d - r? " -2 i. ` J? r , ? ? 1 ? - X1526! / _? 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C , Q RO CI?2k I 4Dg0 F%R 9? ` P GAS Ea?4?° HY? ?d y _ L i Yle` a > DpEp = I ?° G EW" •k-- ''/ ''0 70 `kYy ? /? ° °L0 115 -?_? ?fi :° osr. i '? r r Rpm , AO° y I t'i k? ILL A n ss „ ""D s '? d F eY cct g ? I ? _ o E 0 g 70 LAND r q E t ? a t.. B? • s # b 11 - I ? ? 7'°r 1 3 ° t r r 41 _ .ra \ rE1L. b/Y" o-e.>3.' s . ?Aal .$ _ _ .x 4P 1,e?nl ° B -S. ? ? ,, z *,.: E a , ? ?_ . ???? ti: .. '? ??y z 3?` ,, ?. h ... 1 __ F-i NCDENR North Carolina Department of Environment and Natural Resources Division of Land Resources James D. Simons, P.G., P.E. Acting Director Land Quality Section Michael F. Easley, Governor William G. Ross Jr., Secretary September 23, 2002 Mr. J. Reid Gray 182 Grayhouse Road Stony Point, NC 28678 RE: Approval to Construct J. Reid Gray Farm Pond Dam Iredell County Yadkin-Pee Dee River Basin Dear Mr. Gray: This letter is in response to plans, specifications and design data submitted under transmittal letter dated April 8, 2002 and received by this office on June 5, 2002 for the construction of the referenced dam, which is located on a tributary to Buffalo Shoals Creek in Iredell County. These plans and specifications were prepared under the supervision of Mr. Samuel C. Bingham, PE, with the Natural Resource Conservation Service. Also, check number 5981 for $200.00 was received as the initial plan review fee. This letter constitutes approval of your proposal to construct the subject dam according to the plans and specifications received by this Division on June 5, 2002 with the following stipulations: 1. The Natural Resources Conservation Service shall supervise the project construction. 2. During construction the Division of Land Resources may require such progress reports as are deemed necessary. 3. Upon completion of the project, The Natural Resource Conservation Service shall inspect the completed work and upon finding (a) that the work has been done as specified, and (b) that the dam is safe, shall file with the Division of Land Resources two sets of "as-built" drawings and a certificate stating that the work has been completed in accordance with the approved plans, specifications and other requirements. 1612 Mail Service Center, Raleigh, North Carolina 27699-1612 - 919-733-4574 / FAX: 919-733-2876 512 North Salisbury Street, Raleigh, North Carolina, 27604 An Equal Opportunity \ Affirmative Action Employer-50% Recycled 110% Post Consumer Paper Mr. Gray September 23, 2002 Page Two 4. Applicable NRCS (SCS) standards for the installation of seepage diaphragms for conduits through dams shall be met. 6. Stream flow shall be piped or otherwise diverted around or through the construction site without being contaminated with sediment. 7. The North Carolina Division of Water Resources has determined that this project is subject to NC Administrative Code 15A 2K .0500 Minimum Stream Flows to Maintain Aquatic Habitat. The project is under study by the Division of Water Quality (DWQ) to locate any existing point discharges downstream and determine if a minimum release will be required. When the Division of Land Resources receives a determination from DWQ, stipulations reflecting it may be included in the permit to impound or subsequent amendments. 8. Land disturbing activities in the impoundment area shall be limited to those necessary for construction of the dam until a permit to impound is issued and impoundment begins such that sediment will be retained in the impoundment. 8. You must notify Mr. G. Douglas Miller, PE, Regional Engineer, Land Quality Section, 919 North Main Street, Mooresville, North Carolina 28115, and telephone number (704) 663-1699, ten days before the start of construction. In addition, we suggest you contact the US Army Corps of Engineers to determine if a Section 404 permit will be required. Also, the Water Quality Division of this Department may require a Section 401 permit. I am enclosing a copy of a cost certification form and an explanation of the final processing fee calculation. An additional fee will be required when the engineer's certification is submitted if the construction cost exceeds $10,001.00. In any event, the cost certification must be completed and returned with the engineer's certification before an approval to impound can be processed. Mr. Gray September 23, 2002 Page Three The Dam Safety Law of 1967 requires that project construction commence within one year from the date of this approval, or the approval is void. If we may be of assistance, contact the Mooresville Regional Office staff at (704) 663-1699 or the Raleigh Central Office staff at (919) 733-4574. Sin rely, c ames D. Simons, PE, PG Acting Director JDS/MRF/COC cc: Mr. Samuel C. Bingham, PE Mr. Rex Gleason, PE Mr. G. Douglas Miller, PE Mr. Larry Hendrix %%0 May 21, 2002 Iredell Soil and Water Conservation District 444 Bristol Drive - Statesville, NC 28677-2942 Telephone: (704) 873-6761 Ext. 3 21?0? Mr. J. Reid Gray, Jr. 527 New Sterling Rd. Stony Point, NC 28678 42002 Dear Mr. Gray, As you are aware, due to the height of the dam and the amount of water impounded, your proposed pond is subject to the Dam Safety Law of North Carolina. This law requires that a permit be obtained before construction is started. Enclosed are seven (7) copies of plans and specifications for your pond. You should retain two (2) copies four your use during construction and for a permanent record. The remaining five (5) copies along with your request for a permit to construct should be sent to the following address: North Carolina Department of Natural Resources & Community Development Land Quality Section c% Dam Safety Engineer 1617 Mail Service Center Raleigh, NC 27699-1617 Along with this application a one-time application processing fee of $200.00 will need to be included. The check or money order should be made payable to NC Department of Environment, Health and Natural Resources. The payment should refer to the applicable dam. As soon as you receive the permit to construct, please notify this office and we will schedule a day with you and do the pond layout work. Under the law, you are responsible for compliance with all construction requirements and state regulations in constructing and maintaining your dam. We are required to make construction checks while the dam is being built and to make a final check when construction is completed. There will be critical items of construction which we must inspect before additional work can proceed. These items include excavation for the cutoff core trench and the installation of the drain pipe and anti-seep collars which cannot be inspected after the dam is completed. -s Before you fill your pond, we must certify to the Sate that the dam was built according to the plans and specifications. These and other items will be discussed in more detail with our and your contractor when we meet to do the layout of your pond. As you may know, we are required to withdraw assistance on this job and notify the State Dam Safety Engineer, if you proceed in the building of your dam before we inspect these critical items or if the dam is not being constructed in accordance with the plans and specifications. If you have questions, please call Sincerely Summers District Soil Conservationist Enclosures Cc: Sam Bingham w/o enclosures F F e, 3 United States Natural Department of Resources 121 Laurel Drive Agriculture Conservation Rutherfordton, NC 28139 Service DATE: April 8, 2002 SUBJECT: J. Reid Gray Farm Pond Iredell County FILE CODE: 210 TO: Jim Summers, District Soil Conservationist Statesville, NC Plans and specifications for Gray's farm pond are attached. Please review them thoroughly. If any additional information is needed, let me know. Please work with the Gray's to insure that all permits are obtained (for example N. C. Dam Safety Permit, 404 permit, 401 permit, etc.). Refer to the National Engineering Manual for example letters for some of the permits required. Also, document all the site evaluations made such as cultural resource review, etc. Attach all evaluations to the design. If you have any questions, please call. Samuel C. Bingham Civil Engineer Enclosures cc: Larry Hendrix (without enclosures) resource on AN EQUAL OPPORTUNITY EMPLOYER J. REID GRAY FARM POND IREDELL COUNTY, NORTH CAROLINA ADDRESS: 182 GRAYHOUSE ROAD STONY POINT, NC 28678 PHONE: 704-873-6996 LOCATION: it MILES WEST OF STATESVILLE, NC ON OLD MTN. ROAD, LEFT ON NEW STERLING ROAD, APPROX. MILE TO GRAYHOUSE ROAD ON RIGHT. FARM AT END OF ROAD. LONGITUDE - 81° 03' 40" LATITUDE - 35° 47' 30" FOR LIVESTOCK WATER SOURCE FOR WILDLIFE ENHANCEMENT FOR CLEAN.WATER SOURCE FOR FLUSHING IRRIGATION LINES AFTER AIANUREAPPLICATION Planned By: Jim Summers, District Soil Conservationist Larry Hendrix, District Conservationist John Stevenson, Soil Conservationist Samuel C. Bingham, Civil Engineer Mac Edgerton, Civil Engineer Technician Approved By: J','. April 8, 2002 :i J. Reid Gray Farm Pond CONTENTS Engineers Cost Estimate Bill of Materials Erosion and Sediment Control Plan Specifications for Construction of Ponds and Reservoirs Construction Specification, Fabric Filter Cloth Vegetation Specification Treatment of Critical Erosion Areas with Permanent ground cover Laying Ductile Iron Pipe Drainage Area and Location Map Hazard Classification Data.Sheet for Dams Operation and Maintenance Plan for Farm Pond Soils Investigation to Determine Suitability of Proposed Pond Site Soil Survey Data Pond-Design Worksheet Runoff Computation Sheet SITES (Water Resource Site Analysis Computer Program, 20 pages) Plan View Farm Pond (drawing) Plan of Farm Pond (drawing) Steel and Mechanical Detail (drawing) Gate and Trash Rack Detail (drawing) Trash Rack Detail (drawing) Drainage Diaphragm (drawing) Water Supply Pipe for Cow Water (drawing) Details Outlet Bent Support (drawing) Plunge Pool Detail (drawing) Gray's Farm Pond ENGINEERS COST ESTIMATE Earth Fill 6,088 cu yds @ $2.30 per cu yd = $14,002.40 Cutoff Trench Excavation, Rough est. 1,704 cu yds @ $2.00 per cu yd = $3,408.00 Drainage Diaphragm 14 tons @ $20.00 per ton = $280.00 Bent Support $100.00 Riprap and Filter Cloth for Basin 28 tons @ $20.00 per ton $560.00 50 sq.yds @ $2.00 per sq yd $100.00 PSW Pipe, etc. Just a guess $6,000:00 Vegetation 3.0 acres @ $530.00 per acre $1,5go_00 Subtotal $26,040.40 NOTE: ALL ITEMS NOT INCLUDED IN THE ESTIMATE. FOR EXAMPLE, CLEARING, ACCESS TO SITE, EXTRA EXCAVATION IN EMERGENCY SPILLWAY MAYBE NECESSARY AFTER DAM CONSTRUCTED, ETC. r a May 21, 2002 Mr. J. Reid Gray, Jr. 527 New Sterling Rd. Stony Point, NC 28678 Dear Mr. Gray, Iredell Soil and Water Conservation District 444 Bristol Drive • Statesville, NC 28677-2942 Telephone: (704) 873-6761 Ext. 3 As you are aware, due to the height of the dam and the amount of water impounded, your proposed pond is subject to the Dam Safety Law of North Carolina. This law requires that a permit be obtained before construction is started. Enclosed are seven (7) copies of plans and specifications for your pond. You should retain two (2) copies four your use during construction and for a permanent record. The remaining five (5) copies along with your request for a permit to construct should be sent to the following address: North Carolina Department of Natural Resources & Community Development Land Quality Section c/o Dam Safety Engineer 1617 Mail Service Center Raleigh, NC 27699-1617 Along with this application a one-time application-processing fee of $200.00 will need to be included. The check or money order should be made payable to NC Department of Environment, Health and Natural Resources. The payment should refer to the applicable dam. As soon as you receive the permit to construct, please notify this office and we will schedule a day with you and do the pond layout work. Under the law, you are responsible for compliance with all construction requirements and state regulations in constructing and maintaining your dam. We are required to make construction checks while the dam is being built and to make a final check when construction is completed. There will be critical items of construction which we must inspect before additional work can proceed. These items include excavation for the cutoff core trench and the installation of the drain pipe and anti-seep collars which cannot be inspected after the dam is completed. Before you fill your pond, we must certify to the Sate that the dam was built according to the plans and specifications. These and other items will be discussed in more detail with our and your contractor when we meet to do the layout of your pond. As you may know, we are required to withdraw assistance on this job and notify the State Dam Safety Engineer, if you proceed in the building of your dam before we inspect these critical items or if the dam is not being constructed in accordance with the plans and specifications. If you have questions, please call Sincerely 24Summers District Soil Conservationist Enclosures Cc: Sam Bingham w/o enclosures i United States Natural Department of Resources 121 Laurel Drive Agriculture Conservation Rutherfordton, NC 28139 Service DATE: April 8, 2002 SUBJECT: J. Reid Gray Farm Pond Iredell County FILE CODE: 210 TO: Jim Summers, District Soil Conservationist Statesville, NC Plans and specifications for Gray's farm pond are attached. Please review them thoroughly. If any additional information is needed, let me know. Please work with the Gray's to insure that all permits are obtained (for example N. C. Dam Safety Permit, 404 permit, 401 permit, etc.). Refer to the National Engineering Manual for example letters for some of the permits required. Also, document all the site evaluations made such as cultural resource review, etc. Attach all evaluations to the design. If you have any questions, please call. raw Samuel C. Bingham Civil Engineer Enclosures cc: Larry Hendrix (without en( conserve natural resources on AN EQUAL OPPORTUNMY EMPLOYER J. REID GRAY FARM POND IREDELL COUNTY, NORTH CAROLINA ADDRESS: 182 GRAYHOUSE ROAD STONY POINT, NC 28678 PHONE: 704-873-6996 LOCATION: 11 MILES WEST OF STATESVILLE, NC ON OLD MTN. ROAD, LEFT ON NEW STERLING ROAD, APPROX. I MILE TO GRAYHOUSE ROAD ON RIGHT. FARM AT END OF ROAD. LONGITUDE - 81° 03' 40" LATITUDE - 35° 47' 30" FOR LIVESTOCK WATER SOURCE FOR WILDLIFE, ENHANCEMENT FOR CLEAN.WATER SOURCE FOR FLUSHING IRRIGATION LINES AFTER MA?QURE APPLICATION Planned By: Jim Summers, District Soil Conservationist Larry Hendrix, District Conservationist John Stevenson, Soil Conservationist Samuel C. Bingham, Civil Engineer Mac Edgerton, Civil Engineer Technician Approved By: d /U April 8, 2002 f J. Reid Gray Farm Pond CONTENTS Engineers Cost Estimate Bill of Materials - - Erosion and Sediment Control Plan Specifications for Construction of Ponds and Reservoirs Construction Specification, Fabric Filter Cloth vegetation Specification Treatment of Critical Erosion Areas with Permanent ground cover Laying Ductile Iron Pipe Drainage Area and Location Map Hazard Classification Data Sheet for Dams Operation and Maintenance Plan for Farm Pond Soils Investigation to Determine Suitability of Proposed Pond Site Soil Survey Data Pond Design Worksheet Runoff Computation Sheet SITES (Water Resource Site Analysis Computer Program, 20 pages) Plan View Farm Pond (drawing) Plan of Farm Pond (drawing) Steel and Mechanical Detail (drawing) Gate and Trash Rack Detail (drawing) Trash Rack Detail (drawing) Drainage Diaphragm (drawing) Water Supply Pipe for Cow Water (drawing) Details Outlet Bent Support (drawing) Plunge Pool Detail (drawing) . z, 4 Gray's Farm Pond ENGINEERS COST ESTIMATE Earth Fill 6,088 cu yds @ $2.30 per cu yd = $14,002.40 Cutoff Trench Excavation, Rough est. 1,704 cu yds @ $2.00 per cu yd = $3,408.00 Drainage Diaphragm 14 tons @ $20.00 per ton = $280.00 Bent Support $100.00 Riprap and Filter Cloth for Basin 28 tons @ $20.00 per ton $560.00 50 sq.yds @ $2.00 per sq yd $100.00 PSW Pipe, etc. Just a guess $6,000:00 Vegetation 3.0 acres a $530.00 per acre $1-.590- nn Subtotal $26,040.40 NOTE: ALL ITEMS NOT INCLUDED IN THE ESTIMATE. FOR EXAMPLE, CLEARING, ACCESS TO SITE, EXTRA EXCAVATION IN EMERGENCY SPILLWAY MAYBE NECESSARY AFTER DAM CONSTRUCTED, ETC. i t Gray's Farm Pond Iredell County, North Carolina Bill of Materials Pipe 8 20 ft Sections 10" dia. Ductile Iron, Class 53 1 14" dia. riser Total length from riser invert -14.0' includes 1 compact reducer, large end 14" mechanical - small end 10" Plain, 1 10" compact mechanical joint tee, 2 short sections of plain pipe (see drawing) 1 24" dia CMP trash rack (see drawing) 1 10" dia. slide gate with frame (height of 16 ft) with strap and bolts to attach to riser 1.7 cu yds reinforced concrete, class 4000 106 lbs reinforcement steel Drainage Diaphragm 14 tons NC Dot 2S Sand (neat lines) order more depending on how much is wasted in construction. Extra width ok and maybe practical to make construction easier. Bent Support 2 6" x 6" x 8' Pressure Treated Post 2 2" x 8" x 30" Pressure Treated Boards 2 1/2" x 9" galvanized bolts Riprap for Plunge Pool 28 tons riprap 50 sq yds filter fabric Seeding and Mulching Dam, Emergency Spillway and around pool Borrow Areas 2.0 acres 1.0 acres Total 3.0 acres r. r v REID GRAY FARM POND EROSION AND SEDIMENT CONTROL PLAN FOR POND CONSTRUCTION ESTIMATED DISTURBED AREA ------ 3.0 Acres _ NOTE: This specification is intended to give guidance in ~ controlling erosion while installing this practice. EROSION AND SEDIMENT CONTROL MEASURES Erosion and sediment control measures shall include the following: a. Staging of Farth Work Activitlela The excavation and moving of soil materials shall be scheduled so that the smallest possible areas will be bare and unprotected from erosion for the shortest time feasible. Construction Sequence 1. Clear Embankment and spillway Site 2. Complete cutoff trench on Right Abutment nearly to Stream 3. Construct coffer dam upstream of dam to block water 4. Complete cutoff trench across stream and leave temporary channel for stream flow 5. Remove Coffer Dam 6. Complete rest of Cutoff Trench 7. Construct Principal Spillway Trench 8. Lay pipe 9. Construct Riser and Plunge Pool 10. Construct Drainage Diaphragm and backfill at least 2 feet over pipe 11. Turn stream flow through pipe 12. Construct dam and emergency spillway 13. Complete seeding 14. Clear pool area b. Con rn1 of Sediman frnm Oitnff Tr nrh Dpwatp-ring Sediment from dewatering shall be controlled by ponding water in flood plain below dam or pumping water into an excavated pit. C. DiV rRlon4 Diversions shall be used to divert water away from disturbed areas and also located as needed to provide optimum erosion control during vegetative establishment period. An example is a diversion located uphill of a borrow area slope. A typical diversion is 1.5 ft deep and shaped to easily mow. The Natural Resources Conservation Service will determine location of diversions. d. Vage a ion within 7 days of final grading, vegetative work shall be completed. t2 6ra 5 U. S. DEPARTMENT OF AGRICULTURE Soil Conservation Service NC-ENC-13b Rev. 5/83 SPECIFICATIONS FOR CONSTRUCTION OF PONDS AND RESERVOIRS Clearing: All trees and brush shall be removed from the impoundment area before any water is - impounded. Whenever practical, this clearing should be delayed until after the dam is built to hold erosion and downs tream-sedimentation to a minimum. Studs may be removed or trees may be - sawed off as low as practical and stumps left standing. The foundation of the impoundment structure (dam) shall be cleared of all trees, stumps, roots, brush, sod, and debris. All stumps and all roots exceeding one (1) inch in diameter shall be removed to a minimrm depth of one (1) foot. Satisfactory disposition will be made of all debris. After clearing is completed the foundation area shall be loosened thoroughly and roughly leveled, with suitable equipment, before placement of any embankment material. Cutoff Trench: A cutoff trench shall be excavated as shown on the plans. The cutoff trench shall be backfilled in thin layers, not to exceed 8 inches in depth. All standing water shall be removed from the trench before backfilling is started. Embankment Construction: The material placed in the embankment shall be free of sod, roots, stones over 6 inches in diameter, and other objectionable materials. The fill material shall be placed and spread over the entire fill in layers not to exceed 8 inches in thickness. Con- struction of the fill shall be undertaken only at such times that the moisture content of the fill material will permit a reasonable degree of compaction. Fill Materials: Borrow areas will be designated on the plans and assigned priority (1, 2, 3, etc.). All fill material shall be taken from these designated areas. SCS technicians will advise the contractor regarding the maximum depth of cut in each borrow area. The contractor will not exceed this depth. In the event this depth is exceeded in the impoundment area, it shall be the responsibility of the contractor, without additional" cost to the landowner, to cover the exposed area with a minimum of 2 feet of impervious material. Riser b Conduit Pipe: When it is indicated on the plans that a riser and conduit pipe are re- quired, they must be installed as a complete unit. The inlet of the riser shall be protected. by an inverted bucket-type, or an equally effective type, of trash rack. The conduit shall be placed on a firm foundation. Selected backfill material shall be placed around the riser and conduit pipe in layers not exceeding 4 inches and each successive layer thoroughly compacted. Anti-Seep Collars:. Anti-seep collars will be of materials and dimensions, and located as shown in the plans where specified. Vegetated Spillwav(s): Spillway(s) will be excavated in undisturbed earth to the dimensions, grades, slopes, and location as shown in the plans and as staked upon the ground. Pollution Control During Construction: Stripping of embankment and borrow areas shall be dole as they are needed in a normal sequence of construction. Use temporary mulch protection on all disturbed areas that are subject to erosion and will not have substantial additional work per- formed for 30 days or more. Temporary stream crossing structures will be used where fording of streams will cause excessive sediment pollution. Protection against pollutants such as chemicals, fuel, lubricants, sewage. etc., will be provided during construction. Vegetation: All exposed embankment. spillway, and borrow area shall be seeded to an adapted type of vegetation as soon as possible after construction. Special Provisions: (continued on hack) j It L CONSTRUCTION SPECIFICATION FABRIC FILTER CLOTH - - 1. SCOPE This work shall consist of furnishing all materials, equipment and labor necessary for the installation of geotextile fabric filter cloth under rock riprap and as a load stabilizer under surfacing materials on roadbeds and other heavy use areas. 2. MATERIALS Fabric filter cloth shall be manufactured from synthetic long chain or continuous polymeric filaments or yarns such as polypropylene, polyethylene, polyester, polyamide, or polyvinyl idene -chloride. The fabric filter cloth shall. be formed into a stable network of filaments or yarns that retain their relative position to each other, are inert to commonly encountered chemicals, and are resistant to ultraviolet light exposure, heat, hydrocarbons, mildew, rodents and insects. The fabric filter cloth shall be free of any chemical treatment or coating that might significantly reduce its permeability and shall have no flaws or defects that would significantly alter its physical properties. Fabric filter cloth shall be of the. non-woven type and shall conform. to the physical properties listed in Table 1, based on the average roll minimum value. Non-woven fabric filter cloth shall be manufactured from randomly oriented fibers bonded together by the. needle punched process. Prior to installation of any fabric filter cloth, the Contractor shall furnish the Contracting Officer the following information: (1) Name of product and manufacturer. (2) Product description, chemical composition, and copies of typical laboratory test values. (3) Statement of compliance attesting that the fabric filter cloth meets the chemical, physical, and manufacturing requirements stated in this specification. (4) Signature of legally authorized official attesting to validity of information Drovided_ 4. SHIPMENT AND STORAGE The fabric filter cloth shall be supplied in rolls wrapped with a protective covering to keep out mud, dirt, dust, debris, and direct sunlight. Each roll of fabric filter cloth shall be clearly marked to identify the brand, type and the individual production run. 1?iRCS-NC (Page 1 of 3) FABRIC FTT TFR CLOTH AREA 1 MARCH 1995 n t S . PLACEMENT The fabric filter cloth shall be placed on the approved prepared surface at the locations and in accordance with the details shown on the drawings. The fabric shall be unrolled along the placement area- and loosely laid (not stretched) in such a manner that it will conform to the surface irregularities when the stone or other material is placed on it. No cuts will be permitted in the fabric panel unless otherwise specified. The panel may be folded and overlapped to permit proper placement in the designated areas. The orientation of the width and length of the fabric panels shall be as shown on the drawings. The fabric length shall be placed parallel to the direction of water flow unless otherwise indicated on the drawings. The overlaps of panels and end roll details shall be as specified. The minimum overlap shall be 18 inches. Securing staples shall be placed along the edge of the panel and at abrupt changes in contour to adequately secure the fabric filter cloth to the soil surface. At overlaps, securing staples shall be inserted through both layers along a line through the approximate midpoint of the overlap. Securing pins shall be placed along a line approximately two inches in from the edge of the outer limits of the completed filter cloth area at intervals not greater than 12 feet. Additional staples shall be installed as necessary to prevent any slippage of the fabric, regardless of location. Staples shall be machine made of No.-11 gauge or larger new steel wire formed into a "U" shape. The size when formed shall not be less than 6-inches.in length with a throat of not less than 1 inch in width. Staples normally used for securing erosion control netting may be acceptable if approved by the engineer prior to installation. Rock riprap and other surfacing material shall be placed in a manner that prevents damage to the fabric filter cloth. In no case will riprap be dropped on uncovered material from a height greater than three feet. 7. ITEMS OF WORK AND CONSTRUCTION DETAILS Items of work to be performed in conformance with this specification and the construction details therefor are: . a. Filter Fabric (1). This item shall consist of furnishing and installing the non-woven fabric filter cloth under rock riprap and under crushed stone surfacing materials. (2) Fabric filter cloth supplied shall be Polyfelt TS 700, Mirafi 160N, QuLine Q70, TerraTex N06 or equivalent material meeting the requirement of Table 1. MRCS-NC .. (Page .2.0f.31. FABRIC.FILTER CLOTH AREA 1 MARCH 1995 x r TABLE 1 REQUIREMENTS FOR NON-WOVEN FABRIC FILTER CLOTH Test Method Requirements Tensile Strength* (pounds) ASTM D-4632 Grab Test 180 lbs. Minimum Bursting Strength* (psi) Elongation at' Failure (percent) Puncture. (pounds) Ultraviolet Light (percent residual tensile strength) Apparent Opening Size (AOS) ASTM D-3786 Diaphragm Tester ASTM D-4632 .: Grab Test ASTM D-4833 ASTM D-4355 .150 hours exposure ASTM D-4751 320 psi Minimum 50.k Minimum 80 Pounds Minimum 70 Percent Minimum No larger than the openings in a US Standard Sieve No.40 ?ermittivity ASTM D-4491 0.70 Minimum (1/seconds) *Minimum average roll value - weakest principal direction. - ._.__FABIIIC. FILTER CLOTH EA 1 MARC'W I QQS Reid Gray Farm Pond Laying the Ductile Iron Pipe The pipe conduit shall be placed on a firm foundation to the lines and grades shown on the plans. Installation shall be performed in a skillful and workmanlike manner in accordance with the manufacturer's recommendations and the following requirements. The contractor may elect to overfill the conduit foundation and the adjoining area prior to laying the pipe. The amount of overfill will be limited to two feet vertically above the planned pipe grade. Excavations for the conduit trench shall have a minimum bottom width of four feet with 3:1 or flatter side slopes. Prior to laying the pipe, a bedding trench shall be prepared for the pipe by filling approximately two inches above grade with a compacted material. The foundation area for the pipe shall then be excavated to approximately one inch below the planned invert elevation for the pipe. As it is critical that this area is properly shaped to conform to the pipe, the shaping shall be performed by hand unless the engineer approves an alternative method. Also, a template equivalent to the outside diameter of the pipe (with screed), shall be used to check the shaped area to insure that it conforms to the pipe diameter. One inch of select impervious moist material shall be placed in the shaped bedding trench immediately prior to placing the pipe. The pipe shall then be placed to line and grade and firmly and uniformly bedded in the bedding trench throughout its entire length with select impervious moist fill material. The area supporting the joints shall be over excavated as necessary to allow for assembly and to insure that the pipe barrel is uniformly supported by the soil bedding. Select moist backfill material shall be placed and hand compacted around the pipe conduit at approximately the same rate on both sides of the pipe. Compaction around the bottom half of the pipe must be firm to fill all voids, but extreme caution must be exercised to prevent damage, movement, uplift or defection of the pipe. I ; GRAY'S FARM POND VEGETATION ESTABLISHMENT - Grading and Shaping Construct diversions above spillway cut slopes to prevent run off from draining across the side slopes. NRCS Conservationist will make final construction inspection before seedbed is prepared. Seedbed Preparation Rip and disk all disturbed areas 6" deep. Incorporate 3 tons of lime, 1000 lbs. of 10-10- 10 and 500 lbs of 0-20-0 into the soil. Uniformly apply 50 lbs. tall fescue per acre. Seeding should be completed as soon as possible after construction. Immediately (same day) mulch with 100 bales of small grain straw per acre. Reseed any tilled or gullied areas that may develop. A nurse crop should be seeded with fescue. NRCS will determine whether cool season (25 lbs. rye grain/acre) or warm season (sudex sedan) nurse crop is needed. Maintenance Follow attached NC-ENG-13C t treatment What Is a Critical Erosion Area? A critical erosion area is any erod- ing, sediment-producing area such as excessively eroding cropland, cuts, fills, streambanks, landfills, roadbanks, dams, spillways, bor- row areas, and denuded or gullied areas where vegetative stabilization is difficult by ordinary methods. Erosion Ar Permanent Ground Cover United States Department of Agriculture Soil Conservation Service Raleigh, North Carolina Stabilizing these areas will reduce damage from sediment and runoff to downstream areas, and improve wildlife habitat and visual resources Soils Usually the soil material on which seeding or planting is to be done is infertile, poor in structure and ag- gregation, low in organic matter and may be highly acid. This ma- terial is highly susceptible to ero- sion due to slow water intake and rapid runoff. To aid in overcom- ing these conditions, organic mat- ter can be applied in the form of manure, lime applied where needed, and appropriate commer- cial fertilizers added. On most sites, four inches of loamy topsoil applied to the site before seeding 081 ° 05' 0.00" W 081 ° 04" 0.00" W 081 ° 03" 0.00" W f } r i t CIO 338 i l 1 Cl) ?'• t r ' Yew Sterling ti •; 7 X 7-1 Q?J /t( e o O / 4y ` "^k\ `l / T ;si `; / y:/~ /, dJ'/J , t I t C0 COM J t f ? •, ?/ r , /cost i \? S y r \-...? l t J \"...\ • / ,`J ?,? ? A .,, 'tee .._ !?, ? ? !sj '' ?.. _?•? - ,i"? t` C e @? . •.? J v ,l // /f Z. llt 7 J`i l/ '"` • .., 986 _ tii • _ =.J ' ' 9Rgc7 "_?' ?' tt70b , Y150 > Z _ ` ??? ??,.,??? ?/ •t ? L f ? •?? ' ., F ?.. 1521 ? _ '? \ ? ' t ? ?''.." ;?_.J ? ? ? j?lJ%\?% ( •l.? ' ? :•979 t '/y?...? i Bethel ,:r + ^La d?h? Strip9681 • / , ;/ / / - S - % ` ,\,. - ,'ti?'i • /' . . ? '', 1598 • ?; ? _.. s,. ` i a I' Jr_j ? f ? •i ?• _ ., ?/ lei. •? .??, 081 ° 05" 0.00" W 081 ° 04" 0.00" W 081- 03'? 0.00" W Name: STONY POINT ?l'-Qiha e Location: 035° 46' 50.9" N 081° 03' 46.0" W Date: 1/23/2002 Caption: Reid Gray Scale: 1 inch equals 2000 feet = ?j Acre-5 Iredell County, NC ,foil Conservation Service September 1980 File Code:-210 . -.HAZARD CLASSIFICATION DATA SHEET FOR P.96 Landowner -T, Re i ra County _ IY ed e"I Community or Group No. - Conser4tiod Plan No. Estimated Depth of Water.to Top of Dam__ZL_-e_) Ft. Length of Flood Pool bob -Ft. Date of Field Hazard Investigation r, Z0oZ Evaluation by reach of flood plain downstream to the point of estimated minor effect from sudden . dam failure. . : . : . : Est. Elev. :ts z. tievazion :. Kind of :Improvements: 'of Breach Reach: Length: Width: Slope: Land Use Improvements : Above :Fl oodwater Above d 0. 1 :.Flood Plain: Plain Floo t. • :. Ft. - : t. Ft. t 1*" 54 5 54Z ?Z(R greats' S30-0* ' . ZOO . 2 : 3 Describe potential for loss of life and damage to existing or probable futu re downstream improvements from a sudden breach NJ. i w.awemeyg- A_WL Ire. cs F oho w. _Vxceg f- ?sY ) is i Hazard Classification of Dam (a, b, c) (see HEM-Part 520.21) -0 Dam Classification (I, II, III, IV, V) By name e Concurred By name title Date Z? Z Date NOTE: 1. Instructions on reverse side. 2. Attach additional sheets as needed. U. S. DEPARTPIENT OF AGRICULTURE NC-ENG-13C Soil Conservation Service Nov. 1982 OPERATIONS AND MAINTENANCE PLAN FOR FARM POND OWNER Q i f oC y The purpose of this plan is to provide guidelines for carrying out the routine maintenance work needed to keep this pond operating as planned. Routine main- tenance is considered to be normal good care of the pond. Good maintenance adds to beauty, usefullness, and permanence. In addition severe storms that cause flow in-the vegetated spillway will likely call for maintenance, such as, replacing and compacting soil in washes or gullies., reestablishment of vegetation, removal of debris and the like. When such work is necessary, the Soil Conservation Service, if requested, will provide technical assistance to help with the repair. This type of maintenance should be done as soon as possible after damage is discovered. The routine maintenance of this pond involves the following: 1. Maintenance of a vegetative cover on the dam and in the spillway: Fes cm,e (Type of Vegetation) is being established on these areas. Beginning in 7_<)1o3 (Year) and each year thereafter, the dam and spillway should be fertilized with --?n C) pounds of /O-ZO-Zo per acre to maintain a vigorous stand. 2. Removal of logs, brush, or other trash from the entrance of the pipe spillway, the grass spillway, and the face of the dam: This should be done after each rise in the pond surface that deposits such material. Unless this material is removed, the pipe spillway is likely to become clogged and the vegetation killed in the affected areas. 3. Control of weeds, brush, and trees in the grass spillway on the dam and in the outlet channel for a short distance below the pipe outlet: This may be done by mowing, spraying, or chopping, or-a combination of all three. This will need to be done at least once each year and possibly twice in years favorable to heavy growth-of vegetation. You may check with the local Extension Agent or SCS office for the latest information on spray material and the best time to-apply them. 4. If the dam and §pillway are to be grazed, be sure to remove all live- stock when grass has been grazed down to a height of 4 inches. Also, remove livestock when the dam and spillway are wet and soft. Severe damage can be done by livestock at such times. 5. Protection of the Grass Spillway: The spillway can be severely damaged by uncontrolled vehicular traffic. Trails or ruts made by such traffic could become large gullies when outflow occurs in the spillway. If ruts or trails appear to be forming, stop all traffic within the spillway area. - 1 - ?i e. seepage or other leakage f. condition and functioning of toe drains; if applicable g. condition and type of vegetative cover 5. Outlet Channel a. condition of riprap and plunge pool, if applicable (1) undermining or displacement (2) damage or deterioration (3) side slope stability b. bank cutting c. sedimentation d. fallen trees or other debris accumulation e. adjacent property damage 6. Fences and Gates a. general condition (1) loose or damaged posts (2) loose or broken wires (3) open or damaged gates 7. Additional specific items of importance for the maintenance of this pond are: 3 - C hiiL ii?l r I GAT I ON: TG .,Trl'1 E JV. iA.:?.?tr I '^' C Df`; `. P?`•? i?- `.L.??.?'.'', t'S NAIL? BIS"MUCT .J? i c 0 UN -1, SIt ET NC. WGRX UNIT / i CRO?LiND ACRc:S PnJ..aE ACTC`S I_ W0O0L -N:) TOTAL ACRES POKi, CI kSS i '.i/ORK UNIT CONSERVAT:V.:IST ' S-K-C i'CH C? 00-2OS +D ?OND SI-IOvi/I' c`.G 'WHI:'Rt: ' 3ORfNGS 14i:T^:... E _ I .. E {App..-oz. scare :eecal r Locate re/ennc: paint +n center tine of tarn and td...61? ur.:Lac A. ! I I ! 1 I I I i ` I 1 i ! I I r r :-'-i-r I I I I t ?? I I I I I f 1? T-1_ I-i I I 1 ? 1 i 1 i 1 1 - -?- --1- ? I I C! t I t I I I ! 1 1 1 1 1 1 II f1__?II__ill ; 7 ??III1 1 ! !__T 77 1 I i i I 'r-r=? I I t I t 1 1 t ? ? ? I i t I I { I I- I t I [ SHOW BORING NUMBER JLND pF?O II.E _ DEPTH Mcke end t.'st dam-sit, ar.J splltway borings first. then ponded area and burns w pit borings - separate with verimt rec' tine. /Continued on bout when necessary) show water table el.wtions an darn-site borinos. SCALE 1 2 3 4 5 6 7 I 9 9 10 11 , I! 13 1-1 15 116 11 17 !S 19 ( 20 12! 1 r j 23 ?I I? I ir Z ? ? N I I I i ?I L' 'I ! !p?4ip I q 9 ' r I II 1 rl I BORLNGS MADE BY SIGNATURS & T_TLE A?? 4W ? Z ?4P ?4P?U7' 3 i 30 (Joins sheet 25j LfC2 ?t _, } lfl32 LIC I 1 3 a?,, ti62 CIBY` ? 'ti j? , •? ,f V LfBZ ?? o 6fC2 L° ` LIC2 v o r `x' - _ - Y? ? Lm62 '? ? i LI 1m?2 f82 ''Lc B3 3 l" Lfc: CfB2 INN g €N „J? LfCZ ` L_mD l?. 4 cr h ?. U82 ' LcC'. 9Ba 13ar?? , ?rec, - Cc C3 Gec; Ctn E5w Ce? Ll?? oq n-1 cXf3 ° LCD t . Lccs pQ », - L-?? Z o? Lac, Yy? ?`"Csf2 ?, ? W C?eW0.GLa Sn,? S a C E 3 C ??,1 Cl.? Iva,-,.j S Lm82 it 1tD L(CZ t u LfC2 y tY _2 .- i Lf82 Y Lm82-" {mC2 % j LFC2 S? ` r s DP L tmC2 CCD3 0t Y '3 i n ,, 3 CcC3 ?? t? LmD2 G+? :. C3_. LL - 3 Lc c Lf62 Lm it '7p ,t CfC2 E ?-Y -- 1,06 nf?nC? ? ? Cf82 r ` ? ? St - ..: mC2 ' , CCL3 c0 LcC3 3 ... d0 . ? CfC1_' ? ? _ M t ??'r 7 ? CSE2 J CcD3 3 C ' / ~ N r d 82 ? L c / 2 i„ MdC2 ,L ?? MdC2 CfB2 . ? M?IE „' ,? dE :? dG MdE ¢ MdD `2 ?m9 CiC2 - m d 12 0 LCO ?mC2 C u c e-•" ?? - ' gti c- •Lm82 ? L C;r jmD2 ' Joins sheet 35 ? n m z c 0 J.S. DEPARTMENT OF AGRICULTURE 30IL 4CONSERVATION SERVICE POND DESIGN - WORK SHEET (Not Flood Routed) NC-ENG-16 10-85 'ond Owner - Pei I G a:L1 Address j9Z G }?o Qo( :ounty Telephone No. _ 70Y -8-73 -/,,-?RZa Location Code - DETERMINATION OF RUNOFF CURVE NUMBER FOR ANTECEDENT SOIL MOISTURE CONDITION II - (Cha ter 2 - En ineerin Field Manual) Land Use Or Treatment Or Hydrologic Hydrologic Acres Curve Curve No. Cover Practice Condition Soil Grou No. x Acres I - I T W DATA azard Class - "'Ct" (NEM 520.21(e)) ra inage Area _381 Ac. verage Watershed Slope - 8 % Lope Interpolating (Correction) ''FM Page 2-8.1) Factor - NIA * )rmal Pool Surface Area - 3.[p Ac. `fective Height - 17, Ft. (NEM 520.21(d) :orage - ;,(O? l Ac. Ft. (NEM 520.21(b)) 'fective Height x Storage - Lit. 7, -Z' gingering Job Class - 7T7 (NEM NC 501.09 0WrujM%z Normal Water Level Elev. 588.0 Required Storage (Ft.) Se?+°Od +__j -IT Crest Emergency Spillway Elev.-9LB1,-1 Emergency Spillway Stage 1, - 113 iee A^4 0 Design High Water Elev. 890"R Freeboard (Ft.) + 1.0 Settled Top of Dam Elev. Est. Storage to Top of Dam , 30.5- Ac Ft Overall Height (NEM 520.21(c)) Z1.8 Ft. Dam Safety YES Inventory Size O (NEM INC 501709) (NEM 520 21(€)) UIRED DETEN TION STORAGE (PS-378) (EFM - Chapter 2, Rainfall Data Maps) _L Yr - Day = 3,0 Inches Rainfall = Inches Run off (EFM - Page 2-51a) aired = ( In. Runoff)( Ac . DA) See -F/«J Youf Ac.Ft. rage 12 In./Ft. _ _ Ac.Ft. Ac. Pool) Ft. Use .,5- Ft. IGENCY SPILL14AY DESIGN (PS-378) ( EFM - Chapters -2 111) 1L ? Z S Yr - I Da = Sep- Ydel,'? _ y ? - Inches Rainfall = ( CFS)( *) Q = CFS 1 11-53 to 11-54h) Retardance: Maximum Velocity: fps Length Control Section: Ft :harge (q) = CFS/ft. Stage (Hp) = ft. Outlet Slope Range Min Max :om Width = Q - q - = Ft. Use Ft. Use Outlet Slope = X uted BY Sari. ?,??a?jgwl Date ked By 1-i Date Sum of Acres = Sum of Product Weighted Curve No. = Sum of Curve No. -x Acres = - Sum of Total No. Acres Use CN = (?{ t j OH-Ver 1.10 RUNOFF COMPUTATION SHEET prepared for in US Department of Agriculture Natural Resources Conservation Service Iredell County County, North Carolina Designer : SCB Date : 01/23/02 Checker Date Reid Gray Pond -------------- Land Use ---------------- and Condition ----------- -- ------------------------------ Acres by hydrologic soil group ------- --- A B C D Impervious Are as -------- -------------------- ----- ------- Paved lots; roofs, drives, s treets 98 4x98 98 98 Pasture, grass land or range Woods good 39 330x61 74 80 Farmsteads fair 36 40x60 73 79 ---- 59 8x74 82 86 Curve Number 61 Drainage Area = 381 ac. Tc Method Used - EFH Method W/S Slope = 8.0 k W/S Length = 7200 ft. Time of Concentration = 1.53 hr. Rainfall Type = II Frequency 24-hr rainfall Runoff Peak discharge Ia/P 1 - yr. 3.0 in. 0.37 in. 36 cfs. 0 43 2 - yr. 3.5 in. 0.57 in. 66 cfs. . 0 37 5 - yr. 4.4 in. 1.02 in. 137 cfs. . 0 29 10 - yr. 4.8 in. 1.25 in. 171 cfs. . 0 27 25 - yr. 5.4 in.. 1.62 in. 228 cfs. . 0 24 50 - yr. 6.4 in. 2.28.in. 334 cfs. . 0 20 100 - yr. 6.5 in. 2.35 in. 346 cfs. . 0.20 Drainage curves Qa = 109.8 cfs. Qc = 32.4 cfs. Qb = 58.6 cfs. Qd = 20.2 cfs. SITES XEQ 01/23/2002 WATER RESOURCE SITE ANALYSIS COMPUTER PROGRAM VER 96.1 (USER MANUAL - DATED MAY 1996) TIME 13:36:52 ********************-****** 80-80 LIST OF INPUT DATA *************************** SITES 05/01/2000gray Reid Gray Farm Pond 0.5953125 H5 SAVMOV 0 101 SAVMOV 101 1 * 378 pond design 1 * Reid Gray Farm Pond STRUCTURE Pond Reid Gray Pond 874.0 0 880.0 .8 888.0 3.6 893 6.9 ENDTABLE WSDATA SAlx AC 61 381 1.53 PDIRECT 3.0 .00 5.40 POOLDATA ELEV 888.0 888.0 888.0 880 Sc PSINLET 1.0 3.67 PSDATA 1 160 10 .015 872 CROWN 1.25 A. f NO ? `?i?, .P ?S cgs.} Ok- TEMPLATE 16 3 3 0 CLPROFILE -0 DAM CENTERLINE PROFILE 0 910.3 141 901.6 189 893.0 214 888 252 880 287 873.6 297 871.6 302 871.6 309 875.6 327 880 377 888.0 442 893 462 894.7 ENDTABLE ASDATA 300025 3 .03 3 BTMWIDTH FEET 50 GRAPHICS IE GO,DESIGN NELCP TYPE2 24 TYPE2378 24 SAVMOV 2 101 1 Pond ENDJOB 1SITES XEQ 01/23/2002 ------------- COUNT PAGE ------------------------------- VER 96.1 Reid Gray Farm Pond WSID = gray 378 pond design Reid Gray Farm Pond ***** MESSAGE - DRAINAGE AREA FROM WSDATA CONTROL BEING CONVERTED FROM ACRES TO SQUARE MILES FOR COMPUTATION PURPOSES. 1SITES ------------------------------------------------------------------------- XEQ 01/23/2002 Reid Gray-Farm Pond WSID= gray VER 96.1 Reid Gray Pond SUBW= x TIME 13:36:52 SITE = Pond PASS= 1 PART= 1 *,r,r,t**,?***,t,r*+r* r,r*s*,?,?*,?,?,r** BASIC DATA *** r**,?:****,?rr***+r**:*t+r***,r***,r* CLIMATE AREA - NOT DEFINED DESIGN CLASS Al = LT 3000. STORM DISTRIBUTION-PSH 24 HOUR TYPE II RAINFALL DISTRIBUTION Page 1 x ok STORM DISTRIBUTION AUX. -24 HOUR TYPE II RAINFALL DISTRIBUTION PRECIP. - P-PS,I-DAY P-PS,10-DAY P-SD P-FB 3.00 0.00 0.00 5.40 WSDATA - CN DA-SM TC/L -/H QRF 61.00 0.60 1.53 0.00 0.00 SITEDATA- PERM POOL CREST PS FP SED VALLEY FL 378? 888.00 888.00 888.00 880.00 YES BASEFLOW INITIAL EL EXTRA VOL SITE TYPE 0.00 0.00 0.00 DESIGN PSDATA - NO. COND COND L DIA/W -/H 1.00 160.00 10.00 0.00 PS N KE WEIR L TW EL 0.015 1.00 3.67 872.00 2ND STG ORF H ORF L START AUX. 0.00 0.00 0.00 0.00 ASCRESTS - AUX.1 AUX.2 AUX.3 AUX.4 AUX.S 0.00 0.00 0.00 0.00 0.00 AUX.DATA - REF.NO. RETARDANCE TIE STATION INLET LENGTH 30 C 0.00 0 AUX.DATA - INLET N SIDE SLOPE EXIT N EXIT SLOPE ACTUAL AUX? 0.000 3.00 0.000 0.030 NO BTM WIDTH - BW1 BW2 BW3 BW4 BW5 ft 50.00 0.00 0.00 0.00 0.00 ***** NOTE - THIS IS ONLY A PRELIMINARY AUX. SPILLWAY RATING CURVE OF DISCHARGE/FT OF WIDTH AND DOES NOT INCLUDE SIDESLOPE CORRE CTION OR A REVISED RATING USING THE ACTUAL AUX. SPILLWAY CONFIGURATION. AUX. SPILLWAY ID CODE ...300025 ELEVATION INCREMENT (FT)- 0.200 DISCHARGES-01 Q2 03 04 0.010 0.050 0.220 0.800 05 06 07 08 1.480 2.270 3.250 4.440 09 Q10 Q11 Q12 5.850 7.490 9.360 11.500 AUXILIARY SPILLWAY RATING BASED ON PRECOMPUTED SUBCRICTICAL FLOW METHOD USING PROFILE NUMBER 30. 1********************* DETAILED LIST OF BASIC DATA ********************* WEIR COEF. FOR ORIFICES.......... 3.10 RATIO OF Ia TO S (CH.10,NEH4). 0 20 WEIR COEF. FOR DROP INLET........ 3.10 TIME INCS TO PEAK OF UNIT HYD. . S DISCHARGE COEF. FOR ORIFICES..... 0.60 NO. POINTS FOR DESIGN HYD. ... . 101 HOOD, WEIR INLET COEF. .......... 0.60 DRAWDOWN TIME LIMIT - DAYS.... 10.0 HOOD, PIPE ENTRANCE COEF. ....... 0.60 DRAWDOWN RATIO STORAGE LIMIT:. 0.00 HOOD, SLUG FLOW COEF. ........... 0.00 OTHER DRAWDOWN RATIOS APPLY ?. NO PS ACCURACY OF FULL FLOW CALC.,FT 0.01 WSP ALLOWABLE FSS VEL. CHANGE. 0.05 Page 2 ,3 E FILLET SIZE FOR BOX CONDUITS..... 6.00 GRAVITATIONAL CONSTANT.......... 32.16 MIN. NHCP378 PS PIPE AREA SQFT.. 0.545 MIN. TR60 DEPTH AUX. TO TOP DAM.. 3.00 MIN. NHCP378 DEPTH AUX.TO TOP DAM 2.00 MIN. NHCP378 DEPTH PS - AUX.CREST 1.00 MIN. NHCP378 DEPTH DESIGN Q - TOD 1.00 WSP FSS CALC. PRECISION, FT.. 0.005 AUX. SPILLWAY MIN. CAP. COEF. 237.0 - AUX. SPILLWAY MIN. CAP. EXP. 0.493 . MIN. AUX. BW IN BW SOLUTION,FT 20.0 PRECISION OF BW SOLUTION...... 1.0 OLD TR60 CRITERIA USED ....... NO OLD NHCP378 CRITERIA USED .... NO EMBANKMENT TEMPLATE: TOP WIDTH = 16.0 ft, MAX. CROWN = 1.250 ft SIDE SLOPE WAVE BERM MULTIPLE STABILITY BERMS , SEPARATE STABILITY BERMS RATIOS WIDTH U&D/S WIDTHS DELTA H WIDTHS, ft HEIGHTS ft U/S D/S ft ft ft , U/S D/S U/S D/S 3.00 3.00 0.0 0.0 0.00 0.00 0.00 0.00 0.00 DIMENSIONLESS UNIT HYDROGRAPH STANDARD DIMENSIONLESS UNIT HYDROGRAPH PEAK FACTOR - 484.0 TIME INC. =0.020 NO. INC. TO PEAK = 5.00 PRODUCT ORDINATE AND TIME INC. =0.2 669787 0.0000 0.0300 0.1000 0.1900 0.3100 0.4700 0.6600 0.8200 0.9300 0.9900 1.0000 0.9900 0.9300 0.8600 0.7800 0.6800 0.5600 0.4600 0.3900 0.3300 0.2800 0.2410 0.2070 0.1740 0.1470 0.1260 0.1070 0.0910 0.0770 0.0660 0.0550 0.0470 0.0400 0.0340 0.0290 0.0250 0.0210 0.0180 0.0150 0.0130 0.0110 0.0090 0.0080 0.0070 0.0060 0.0050 0.0040 0.0030 0.0020 0.0010 0.0000 1NRCS DESIGN STORM RAINFALL DISTRIBUTION (CHAPTER 21, NEH4 4 TR-60). 0.000 0.008 0.016 0.025 0.033 0.043 0.052 0.063 0.074 0.086 0.099 0.112 0.126 0.142 0.160 0.180 0.205 0.255 0.345 0.437 0.530 0.603 0.633 0.660 0.684 0.705 0.724 0.742 0.759 0.775 0.790 0.804 0.818 0.831 0.844 0.856 0.868 0.879 0.890 0.900 0.910 0.920 0.930 0.939 0.948 0.957 0.966 0.975 0.983 0.992 1.000 24 HOUR TYPE II RAINFALL DISTRIBUTION IDENTIFICATION NAME IS TYPE2 GIVEN DURATION = 24.0 HRS 0.000 0.001 0.002 0.003 0.004 0.005 0.006 -0.007 0.008 0.009 0.010 0.012 0.013 0.014 0.015 0.016 0.017 0.018 0.020 0.021 0.022 0.023 0.024 0.026 0.027 0.028 0.029 0.031 0.032 0.033 0.034 0.036 0.037 0.038 0.040 0.041 0.042 0.044 0.045 0.047 0.048 0.049 0.051 0.052 0.054 0.055 0.057 0.058 0.060 0.061 Page 3 I1 t 0.063' 0.065 0.066 0.068 0.070 0.071 0.073 0.075 0.076 0.078 _ 0.080 0.082 0.084 0.085 0.087 - 0.089 0.091 0.093 0.095 0.097 0.099 0.101 0.103 0.105 0.107 0.109 0.111 0.113 0.116 0.118 0.120 0.122 0.125 0.127 0.130 0.132 0.135 0.138 0.141 0.144 0.147 0.150 0.153 0.157 0.160 0.163 0.166 0.170 0.173 0.177 0.181 0.185 0.189 0.194 0.199 0.204 0.209 0.215 0.221 0.228 0.235 0.243 0.251 0.261 0.271 0.283 0.307 0.354 0.431 0.568 0.663 0.682 0.699 0.713 0.725 0.735 0.743 0.751 0.759 0.766 0.772 0.778 0.784 0.789 0.794 0.799 0.804 0.808 0.812 0.816 0.820 0.824 0.827 0.831 0.834 0.838 0.841 0.844 0.847 0.850 0.854 0.856 0.859 0.862 0.865 0.868 0.870 0.873 0.875 0.878 0.880 0.882 0.885 0.887 0.889 0.891 0.893 0.895 0.898 0.900 0.902 0.904 0.906 0.908 0.910 0.912 0.914 0.915 0.917 0.919 0.921 0.923 0.925 0.926 0.928 0.930 0.931 0.933 0.935 0.936 0.938 0.939 0.941 0.942 0.944 0.945 0.947 0.948 0.949 0.951 0.952 0.953 0.955 0.956 0.957 0.958 0.960 0.961 0.962 0.964 0.965 0.966 0.967 0.968 0.970 0.971 0.972 0.973 0.975 0.976 0.977 0.978 0.979 0.981 0.982 0.983 0.984 0.985 0.986 0.988 0.989 0.990 0.991 0.992 0.993 0.994 '0.996 0.997 0.998 0.999 1.000 1SITES --------- ------------ ---------- ---------- --- XEQ 01/23/2002 Reid Gray Farm Pond ------- ---------------- WSID= gray VER 96.1 Reid Gray Pond SUBW- x TIME 13:36:52 SITE = Pond PASS- 1 PART- 2 PERM POOL 888.00 FT 20.0 ACFT 3.60 AC 0.0 CFS CREST PS 888.00 FT 20.0 ACFT 3.60 AC 0.0 CFS SED ACCUM 888.00 FT 20.0 ACFT 3.60 AC 0.0 CFS START ELEV 888.00 FT 20.0 ACFT 3.6 0 AC 0.0 CFS NRCS-PSH Ds 24.00 HR ' P= 3.00 IN Q= 0.37 IN DA- 0.60 SM TC- 1.53 HR CN= 61.00 VOL= 11.6 ACFT PEAK 34.4 CFS, AT 13.2 HRS. ROUTED RESULT - HYD TYPE EMAX NRCS-PSH 889.48 FT VOL-MAX AMAX QMAX 26.1 ACFT 4.58 AC 5.6 CFS Page 4 . 1 '• F PS STORAGE 6.1 ACFT, BETWEEN AUX. CREST AND SED. ACCUM ELEVATIONS. DRAWDOWN (DDT) TEST 888.00 FT 20.0 ACFT 0.00 CFS CONTROL IS 0.000 DETENTION STORAGE TIME = 2.08 DAYS, TO 0.0 CFS PLOT OF PRINCIPAL SPILLWAY HYDROGRAPH, (LIMIT = 10.00 DAYS) 1 INCH 10. CFS 0. Time Qin Qout Elev Vol Area ExtVel I 0.00 0.0 0.0 888.0 20.0 3.6 0.29 0.0 0.0 888.0 20.0 3.6 0.57 0.0 0.0 888.0 20.0 3.6 0.86 0.0 0.0 888.0 20.0 3.6 1.15 0.0 0.0 888.0 20.0 3.6 1.44 0.0 0.0 888.0 20.0 3.6 1.72 0.0 0.0 888.0 20.0 3.6 2.01 0.0 0.0 888.0 20.0 3.6 2.30 0.0 0.0 888.0 20.0 3.6 2.59 0.0 0.0 888.0 20.0 3.6 2.87 0.0 0.0 888.0 20.0 3.6 3.16 0.0 0.0 888.0 20.0 3.6 3.45 0.0 0.0 888.0 20.0 3.6 3.74 0.0 0.0 888.0 20.0 3.6 4.02 0.0 0.0 888.0 20.0 3.6 4.31 0.0 0.0 888.0 20.0 3.6 4.60 0.0 0.0 888.0 20.0 3.6 4.88 0.0 0.0 888.0 20.0 3.6 5.17 0.0 0.0 888.0 20.0 3.6 5.46 0.0 0.0 888.0 20.0 3.6 5.75 0.0 0.0 888.0 20.0 3.6 6.03 0.0 0.0 888.0 20.0 3.6 6.32 0.0 0.0 888.0 20.0 3.6 6.61 0.0 0.0 888.0 20.0 3.6 6.90 0.0 0.0 888.0 20.0 3.6 7.18 0.0 0.0 888.0 20.0 3.6 7.47 0.0 0.0 888.0 20.0 3.6 7.76 0.0 0.0 888.0 20.0 3.6 8.05 0.0 0.0 888.0 20.0 3.6 8.33 0.0 0.0 888.0 20.0 3.6 8.62 0.0 0.0 888.0 20.0 3.6 8.91 0.0 0.0 888.0 20.0 3.6 9.19 0.0 0.0 888.0 20.0 3.6 9.48 0.0 0.0 888.0 20.0 3.6 9.77 0.0 0.0 888.0 20.0 3.6 10.06 0.0 0.0 888.0 20.0 3.6 10.34 0.0 0.0 888.0 20.0 3.6 10.63 0.0 0.0 888.0 20.0 3.6 10.92 0.0 0.0 888.0 20.0 3.6 .. 11.21 0.0 0.0 888.0 20.0 3.6 11.49 0.0 0.0 888.0 20.0 3.6 11.78 0.0 0.0 888.0 20.0 3.6 12.07 2.5 0.0 888.0 20.0 3.6 I 12.36 12.0 0.2 888.1 20.2 3.6 12.64 26.0 0.8 888.2 20.6 3.7 P 12.93 33.8 2.4 888.4 21.3 3.8 : P 13.22 34.4 4.5 888.5 22.0 4.0 13.51 29.8 5.5 888.7 22.7 4.1 13.79 25.4 5.5 888.8 23.2 4.1 14.08 21.9 5.6 888.9 23.6 4.2 14.37 19.1 5.6 889.0 24.0 4.3 14.65 16.8 5.6 889.1 24.3 4.3 10. I a 20. 30. I I - I ' I I P X P I P I P I P I P I Page 5 r 14.94 15.0 5.6 889.1 24.5 4.4 p I 15.23 13.7 5.6 889.2 24.7 4.4 P I 15.52 12.6 5.6 889.2 24.9 4.4 P - I 15.80 11.8 5.6 889.3 25.1 4.4 p I 16.09 11.1 5.6 _889.3 25.2 4.5 p 16.38 10.4 5.6 889.3 25.3 4.5 p I 16.67 9.7 5.6 889.3 25.4 4.5 p I 16.95 9.2 5.6 889.4 25.5 4.5 P I 17.24 8.8 5.6 889.4 25.6 4.5 p I 17.53 8.5 5.6 889.4 25.7 4.5 p I 17.82 8.2 5.6 889.4 25.7 4.5 p I 18.10 8.0 5.6 889.4 25.8 4.5 p I 18.39 7.7 5.6 889.4 25.9 4.5 P I 18.68 7.5 5.6 889.4 25.9 4.6. PI 18.96 7.3 5.6 889.5 25.9 4.6 PI 19.25 7.0 5.6 889.5 26.0 4.6 PI 19.54 6.8 5.6 889.5 26.0 .4.6 PI 19.83 6.6 5.6 889.5 26.0 4.6 PI 20.11 6.3 5.6 889.5 26.1 4.6 p 20.40 6.1 5.6 889.5 26.1 4.6 P 20.69 5.8 5.6 889.5 26.1 4.6 p 20.98 5.6 5.6 889.5 26.1 4.6 X 21.26 5.5 5.6 889.5 26.1 4.6 P 21.55 5.4 5.6 889.5 26.1 4.6 IP 21.84 5.3 5.6 889.5 26.1 4.6 IP 22.13 5.3 5.6 889.5 26.1 4.6 IP 22.41 5.2 5.6 889.5 26.0 4.6 IP 22.70 5.2 5.6 889.5 26.0 4.6 IP 22.99 5.1 5.6 889.5 26.0 4.6 IP 23.27 5.1 5.6 889.5 26.0 4.6 IP 23.56 5.0 5.6 889.5 26.0 4.6 IP 23.85 5.0 5.6 889.5 26.0 4.6 IP 24.14 4.9 5.6 889.5 26.0 4.6 IP 24.42 4.6 5.6 889.5 25.9 4.6 IP 24.71 3.8 5.6 889.4 25.9 4.6 I P 25.00 2.8 5.6 889.4 25.9 4.5 I p 25.29 1.8 5.6 889.4 25.8 4-.5 I P 25.57 1.1 5.6 889.4 25.7 4.5 .I P 25.86 0.7 5.6 889.4 25.6 4.5 I P 26.15 0.4 5.6 889.3 25.4 4.5 P 26.44 0.2 5.6 889.3 25.3 4.5 p 26.72 0.1 5.6 889.3 25.2 4.5 P 27.01 0.1 5.6 889.3 25.1 4.4 P 27.30 0.1 5.6 889.2 24.9 4.4 P 27.58 0.0 5.6 889.2 24.8 4.4 P 27.87 0.0 5.6 889.2 24.7 4.4 P 28.16 0.0 5.6 889.1 24.5 4.4 p 28.45 0.0 5.6 889.1 24.4 4.3 P 28.73 0.0 5.6 889.1 24.3 4.3 P 29.02 0.0 5.6 889.0 24.1 4.3 P 29.31 0.0 5.6 889.0 24.0 4.3 P 29.60 0.0 5.6 889.0 23.9 4.2 p 29.88 0.0 5.6 889.0 23.7 4.2 P 30.17 0.0 5.6 888.9 23.6 4.2 P 30.46 0.0 5.5 888.9 23.5 4.2 P 30.75 0.0 5.5 888.9 23.3 4.2 P 31.03 0.0 5.5 888.8 23.2 4.1 p 31.32 0.0 5.5 888.8 23.1 4.1 p 31.61 0.0 5.5 888.8 22.9 4.1 P 31.90 0.0 5.5 888.7 22.8 4.1 P 32.18 0.0 5.5 888.7 22.7 4.1 P 32.47 0.0 5.5 888.7 22.5 4.0 p 32.76 0.0 5.5 888.6 22.4 4.0 P Page 6 33.04 0.0 5.3 888.6 22.3 4.0 p 33.33 0.0 4.9 888.6 22.2 4.0 p 33.62 0.0 4.6 888.5 22.1 4.0 p 33.91 0.0 4.3 888.5 21.9 3.9 P 34.19 0.0 3.9 _888.5 21.9 3.9 P 34.48 0.0 3.7 888.5 21.8 3.9 P 34.77 0.0 3.4 888.4 21.7 3.9 P 35.06 0.0 3.2 888.4 21.6. 3.9 P 35.34 0.0 3.0 888.4 21.5 3.9 p 35.63 0.0 2.8 888.4 21.5 3.9 p 35.92 0.0 2.6 888.4 21.4 3.8 P 36.21 0.0 2.5 888.4 21.3 3.8 p 36.49 0.0 2.3 888.3 21.3 3.8 P 36.78 0.0 2.2 , 888.3 21.2 3.8 p 37.07 0.0 2.0 888.3 . 21.2 3.8 P 37.35 0.0 1.9 888.3 21.1 3.8 P 37.64 0.0 1.8 888.3 21.1 3.8 p 37.93 0.0 1.7 888.3 21.0 3.8 . P 38.22 0.0 1.6 888.3 21.0 3.8 ,.P 38.50 0.0 1.6 888.3 21.0 3.8 . P 38.79 0.0 1.5 888.3 20.9 3.8 P 39.08 0.0 1.4 888.2 20.9 3.8 P 39.37 0.0 1.3 888.2 20.9 3.8 P 39.65 0.0 1.3 888.2 20.8 3.7 P 39.94 0.0 1.2 888.2 20.8 3.7 P 40.23 0.0 1.1 888.2 20.8 3.7 P 40.52 0.0 1.1 888.2 20.7 3.7 P 40.80 0.0 1.0 888.2 20.7 3.7 P 41.09 0.0 1.0 888.2 20.7 3.7 p 41.38 0.0 0.9 888.2 20.7 3.7 P 41.66 0.0 0.9 888.2 20.7 3.7 p 41.95 0.0 0.8 888.2 20.6 3.7 P 42.24 0.0 0.8 888.2 20.6 3.7 P 42.53 0.0 0.8 888.2 20.6 3.7 P 42.81 0.0 0.7 888.2 20.6 3.7 P 43.10 0.0 0.7 888.2 20.6 3.7 P 43.39 0.0 0.7 888.1 20.5 3.7 P 43.68 0.0 0.6 888.1 20.5 3.7 P 43.96 0.0 0.6 888.1 20.5 3.7 P 44.25 0.0 0.6 888.1 20.5 3.7 p 44.54 0.0 0.6 888.1 20.5 3.7 P 44.83 0.0 0.6 888.1 20.5 3.7 P 45.11 0.0 0.6 888.1 20.5 3.7 P 45.40 0.0 0.5 888.1 20.4 3.7 P 45.69 0.0 0.5 888.1 20.4 3.7 P 45.97 0.0 0.5 888.1 20.4 3.7 P 46.26 0.0 0.5 888.1 20.4 3.7 46.55 0.0 0.5 888.1 20.4 3.7 46.84 0.0 0.5 888.1 20.4 3.7 47.12 0.0 0.5 888.1 20.4 3.7 47.41 0.0 0.4 888.1 20.4 3.7 , 47.70 0.0 0.4 888.1 20.4 3.7 , 47.99 0.0 0.4 888.1 20.3 3.7 48.27 0.0 0.4 888.1 20.3 3.7 48.56 0.0 0.4 888.1 20.3 3.7 48.85 0.0 0.4 888.1 2D.3 3.7 49.14 0.0 0.4 888.1 20.3 3.7 49.42 0.0 0.4 888.1 20.3 3.7 49.71 0.0 0.4 888.1 20.3 3.7 50.00 0.0 0.3 888.1 20.3 3.7 50.29 0.0 0.3 088.1 20.3 3.6 , 50.57 0.0 0.3 888.1 20.3 3.6 50.86 0.0 0.3 888.1 20.3 3.6 Page 7 51.15 0.0 0.3 888.1 20.2 3.6 51.43 0.0 0.3 888.1 20.2 3.6 51.72 0.0 0.3 888.1 20.2 3.6 52.01 0.0 0.3 888.1 20.2 3.6 52.30 0.0 0.3 _888.1 20.2 3.6 52.58 0.0 0.3 888.1 20.2 3.6 52.87 0.0 0.3 888.1 20.2 3.6 53.16 0.0 0.2 888.1 20.2 3.6 53.45 0.0 0.2 888.1 20.2 3.6 53.73 0.0 0.2 888.1 20.2 3.6 54.02 0.0 0.2 888.1 20.2 3.6 54.31 0.0 0.2 888.0 20.2 3.6 54.60 0.0 0.2 888.0 20.2 3.6 54.88 0.0 0.2 888.0 20.2 3.6 55.17 0.0 0.2 888.0 20.2 3.6 55.46 0.0 0.2 888.0 20.2 3.6 55.74 0.0 0.2 888.0 20.2 3.6 56.03 0.0 0.2 888.0 20.2 3.6 56.32 0.0 0.2 888.0 20.1 3.6 56.61 0.0 0.2 888.0 20.1 3.6 56.89 0.0 0.2 888.0 20.1 3.6 57.18 0.0 0.2 888.0 20.1 3.6 57.47 0.0 0.2 888.0 20.1 3.6 57.76 0.0 0.2 888.0 20.1 3.6 58.04 0.0 0.2 888.0 .20.1 3.6 58.33 0.0 0.1 888.0 20.1 3.6 58.62 0.0 0.1 888.0 20.1 3.6 58.91 0.0 0.1 888.0 20.1 3.6 59.19 0.0 0.1 888.0 20.1 3.6 59.48 0.0 0.1 888.0 20.1 3.6 59.77 0.0 0.1 888.0 20.1 3.6 60.05 0.0 0.1 888.0 20.1 3.6 60.34 0.0 0.1 888.0 20.1 3.6 60.63 0.0 0.1 888.0 20.1 3.6 60.92 0.0 0.1 888.0 20.1 3.6 61.20 0.0 0.1 888.0 20.1 3.6 61.49 0.0 0.1 888.0 20.1 3.6 61.78 0.0 0.1 888.0 20.1 3.6 62.07 0.0 0.1 888.0 20.1 3.6 62.35 0.0 0.1 888.0 20.1 3.6 62.64 0.0 0.1 888.0 20.1 3.6 62.93 0.0 0.1 888.0 20.1 3.6 63.22 0.0 0.1 888.0 20.1 3.6 63.50 0.0 0.1 888.0 20.1 3.6 63.79 0.0 0.1 888.0 20.1 3.6 64.08 0.0 0.1 888.0 20.1 3.6 64.36 0.0 0.1 888.0 20.1 3.6 64.65 0.0 0.1 888.0 20.1 3.6 64.94 0.0 0.1 888.0 20.1 3.6 65.23 0.0 0.1 888.0 20.1 3.6 65.51 0.0 0.1 888.0 20.1 3.6 65.80 0.0 0.1 888.0 20.1 3.6 66.09 0.0 0.1 888.0 20.1 3.6 66.38 0.0 0.1 888.0 20.1 3.6 66.66 0.0 0.1 888.0 20.1 3.6 66.95 0.0 0.1 888.0 20.1 3.6 67.24 0.0 0.1 888.0 20.0 3.6 67.53 0.0 0.1 888.0 20.0 3.6 67.81 0.0 0.1 888.0 20.0 3.6 68.10 0.0 0.1 888.0 20.0 3.6 68.39 0.0 0.1 888.0 20.0 3.6 68.67 0.0 0.1 .888.0 20.0 3.6 Time Qin Qout Elev Vol Area ExtVel Page 8 •I I I I END NRCS-PSH PLOT 0. 10 20. 30. RATING TABLE DEVELOPED, SITE = Pond WITH PS DEVELOPED BY PROGRAM AND ASRATING FOR AUX. AUX. RATING FROM ASFILE PROFILE NO. 30. RATING TABLE NUMBER 1 ELEV. Q-TOTAL Q-PS Q-AUX. VOLUME" AREA FEET CFS CFS CFS AC-FT ACRE 1 888.00 0.00 0.00 0.00 20.00 3.60 2 888.15 0.69 0.69 0.00 20.56 3.70 3 888.31 1.94 1.94 0.00 21.14 3.80 4 888.46 3.57 3.57 0.00 21.73 3.90 5 888.62 5.50 5.50 0.00 22.34 4.01 FULL CONDUIT FLOW, ELEV = 888.62 FT 6 889.16 5.59 5.59 0.00 24.64 4.37 7 889.71 5.68 5.68 0.00 27.13 4.73 8 890.26 5.77 5.77 0.00 29.82 5.09 9 890.81 5.86 5.86 0.00 32.71 5.45 10 891.36 5.94 5.94 0.00 35.80 5.81 11 891.90 6.03 6.03 0.00 39.08 6.18 12 892.45 6.11 6.11 0.00 42.57 6.54 13 893.00 6.19 6.19 0.00 46.25 6.90 1SITES ---------- --------- ------------------ -------------- --------- XEQ 01/23/2002 Reid Gray Farm Pond ------ -----gray WSID= VER 96.1 Reid Gray Pond SUBW- x TIME 13:36:52 SITE = Pond PASS= 1 PART= 3 AUX. CREST 889.48 FT 26.1 ACFT 4.58 AC 5.6 CFS PS STORAGE 6.1 ACFT, BETWEEN AUX . CREST AND SED. ACCUM ELEVATIONS. START ELEV 888.01 FT 20.0 ACFT 3.61 AC 0.0 CFS EFFECTIVE HEIGHT (H)= 17.9 FEET, PRODUCT= 466. (H * STORAGE AT CREST AUX.): INPUT DESIGN CLASS = A1.= IT 3000. PRODUCT. NRCS-FBH D= 24.00 HR P- 5.40 IN Q= 1.62 IN DA= 0.60 SM TC= 1.53 HR CN= 61.00 VOL= 51.3 ACFT PEAK = 222.9 CFS, AT 12.9 HRS. ***** MESSAGE - AUXILIARY SPILLWAY RATING EXTENDED ABOVE ELEVATION 891.24. RATING TABLE DEVELOPED, SITE = Pond WITH PS DEVELOPED BY PROGRAM AND.ASRATING FOR AUX. AUX. RATING FROM ASFILE PROFILE NO. 30. RATING TABLE NUMBER 2 ELEV. Q-TOTAL Q-PS Q-AUX. VOLUME AREA FEET CFS CFS CFS AC-FT ACRE 1 888.00 0.00 0.00 0.00 20.00 3.60 Page 9 2 888.15 0.69 0.69 0.00 20.56 3.70 3 888.31 1.94 1.94 0.00 21.14 3.80 4 888.46 3.57 3.57 0.00 21.73 3.90 - 5 888.62 5.50 5.50 0.00 22.34 4.01 FULL CONDUIT FLOW, ELEV 888.62 FT - - 6 888.72 5.52 5.52 0.00 22.78 4.08 7 888.83 5.54 5.54 0.00 23.23 4.15 8 888.94 5.56 5.56' 0.0.0 23.68 4.22 _ 9 889.05 5.58 5.58 0.00 24.15 4.29 10 889.16 5.59 5.59 0.00 24.62 4.36 11 889.27 5.61 5.61 0.00 25.09 4.44 12 . 889.38 5.63 5.63 0.00 25.58 4.51 13 889.48 5.65 5.65 0.00 26.07 4.58 14 889.66 6.12 5.68 0.44 26.89 4.70 15 889.84 7.76 5.70 2.06 27.72 4.81 16 890.15 27.46 5.75 21.70 29.28 5.02 17 890.54 95.99 5.81 90.18 31.27 5.28 18 891.24 312.81 5.92 306.89 35.14 5.74 19 892.12 818.55 6.06 812.49 40.44 6.32 20 893.00 1424.95 6.19 1418.76 46.25 6.90 DRAWDOWN USING FREEBOARD STORM FOLLOWS, STARTING AT ELEVATION 889.48 FT. DRAWDOWN (DDT) TEST 888.00 FT 2 0.0 ACFT 0.00 CFS CONTROL IS 0.000 DETENTION STORAGE TIME = 1.99 DAYS, TO 0.0 CFS ( LIMIT = 10. 00 DAYS) ROUTED BTM WIDTH MAX ELEV VOL-MAX AREA-MAX AUX.-HP VOL-AUX. RESULTS FT FT ACFT AC FT ACFT NRCS-FBH 50.0 890.80 32.7 5.4 1.32 .6.6 PEAK - CFS Q-PS Q-AUX. Q-TOT. DISCHARGE = 5.9 168.5 174.3 CRITICAL CRITICAL CRITICAL 25W OF Q DEPTH VELOCITY SLOPE-Sc Sc AUXILIARY FT- FT/SEC FT/FT FT/FT SPILLWAY --- 0.70 4.65 0.000 0.000 AUXILIARY SPILLWAY DURATION FLOW = 16.7 HOURS ATTACK, OE/B = 0.7 ACFT/FT EXIT CHANNEL FLOW SUBCRI TICAL: MAX VELOCITY= 4.42 FT/SEC AT DEPTH = 0.73 FT COMPUTED N = 0.0458 RETARDANCE = C EXIT SLOPE = 0.0300 »»> NHCP378 RUN - MINIMUM FLOW IN AUX. SPI LLWAY FROM TR60 USING FORMULA WITHOUT 200 CFS MINIMUM LIMIT ( 184. CFS). ROUTED BTM WIDTH MAX ELEV VOL-MAX AREA-MAX AUX.-HP VOL-AUX. RESULTS FT FT ACFT AC FT ACFT MIN. AUX. 50.0 890.85 32.9 5.5 1.36 6.9 PEAK - CFS Q-PS Q-AUX. Q-TOT. DISCHARGE = 5.9 183.5 189.4 CRITICAL CRITICAL CRITICAL 25%' OF Q DEPTH VELOCITY SLOPE-Sc Sc AUXILIARY FT FT/SEC FT/FT FT/FT Page 10 i TJV SPILLWAY --- 0.74 4.77 0.000 0.000 >>>>> NHCP378 RUN - MINIMUM DEPTH, CREST AUX. TO TOP OF DAM IS 2.00 FT. .NEW TOP OF DAM ELEVATION 891. 48. ROUTED BTM WIDTH MAX ELEV VOL-MAX AREA-MAX AUX.HP VOL-AUX. RESULTS FT FT ACFT AC FT ACFT MINIMUM AUX. 50.0 891.48 36.6 5.9 2.00 10.5 PEAK - CPS Q-PS Q-AUX. Q-TOT. DISCHARGES 6.0 446.4 452.3 CRITICAL CRITICAL CRITICAL 25%- OF Q DEPTH VELOCITY SLOPE-Sc Sc AUXILIARY FT FT/SEC FT/FT FT/FT SPILLWAY --- 1.32 6.28 0.000 0.000 »»> NHCP378 RUN - MINIMUM DEPTH, DESIGN FLOW TO TOP OF DAM; 1.00 FT REQUIRED FOR THIS PASS. NEW TOP OF DAM ELEVATION = 891.80. ROUTED BTM W IDTH MAX ELEV VOL-MAX AREA-MAX AUX.HP VOL-AUX. RESULTS FT FT ACFT AC FT ACFT MINIMUM AUX. 50.0 891.80 38.5 6.1 2.33 12.4 PEAK - CPS Q-PS Q-AUX. Q-TOT. DISCHARGES = 6.0 627.9 633.9 CRITICAL CRITICAL CRITICAL 25% OF Q DEPTH VELOCITY SLOPE-Sc Sc AUXILIARY FT FT/SEC FT/FT FT/FT SPILLWAY --- 1.64 6.96 0.000 0.000 PLOT NRCS-FBH 1 IN = 50. CPS 0. 50. 100. 150. Time Qin Qout Elev Vol Area ExtVel I I I I 0.00 0.0 0.0 888.0 20.0 3.6 0.00 0.29 0.0 0.0 888.0 20.0 3.6 0.00 0.57 0.0 0.0 888.0 20.0 3.6 0.00 0.86 0.0 0.0 888.0 20.0 3.6 0.00 1.15 0.0 0.0 888.0 20.0 3.6 0.00 1.44 0.0 0.0 888.0 20.0 3.6 0.00 1.72 0.0 0.0 888.0 20.0 3.6 0.00 2.01 0.0 0.0 888.0 20.0 3.6 0.00 2.30 0.0 0.0 888.0 20.0 3.6 0.00 2.59 0.0 0.0 888.0 20.0 3.6 0.00 2.87 0.0 0.0 888.0 20.0 3.6 0.00 3.16 0.0 0.0 888.0 20.0 3.6 0.00 3.45 0.0 0.0 888.0 20.0 3.6 0.00 3.74 0.0 0.0 888.0 20.0 3.6 0.00 4.02 0.0 0.0 888.0 20.0 3.6 0.00 4.31 0.0 0.0 888.0 20.0 3.6 0.00 4.60 0.0 0.0 888.0 20.0 3.6 0.00 4.88 0.0 0.0 888.0 20.0 3.6 0.00 5.17' 0.0 0.0 888:0 20.0 3.6 0.00 5.46 0.0 0.0 888.0 20.0 3.6 0.00 5.75 0.0 0.0 888.0 20.0 3.6 0.00 6.03 0.0 0.0 888.0 20.0 3.6 0.00 6.32 0.0 0.0 888.0 20.0 3.6 0.00 6.61 0.0 0.0 -888.0 20.0 3.6 0.00 6.90 0.0 0.0 888.0 20.0 3.6 0.00 7.18 0.0 0.0 888.0 20.0 3.6 0.00 Page 11 e ', s 7.47 0.0 0.0 888.0 20.0 3.6 0.00 7.76 0.0 0.0 888.0 20.0 3.6 0.00 8.05 0.0 0.0 888.0 20.0 3.6 0.00 - 8.33 0.0 0.0 888.0 20.0 3.6 0.00 8.62 0.0 0.0 "888.0 20.0 3.6 0.00 . 8.91 0.0 0.0 888.0 20.0 3.6 0.00 9.19 0.0 0.0 888.0 20.0 3.6 0.00 9.48 0.0 0.0 888.0 20.0 3.6 0.00 . 9.77 0.0 0.0 888.0 20.0 3.6 0.00 10.06 0.0 0.0 888.0 20.0 3.6 0.00 10.34 0.0 0.0 888.0 20.0 3.6 0.00 . 10.63 0.0 0.0 888.0 20.0 3.6 0.00 10.92 0.0 0.0 888.0 20.0 3.6 0.00 11.21 0.0 0.0 888.0 20.0 3.6 0.00 11.49 0.3 0.0 888.0 20.0 3.6 0.00 11.78 3.8 0.1 888.0 20.1 3.6 0.00 I 12.07 35.0 0.6 888.1 20.5 3.7 0.00 I 12.36 115.1 5.1 888.6 22.2 4.0 0.00 P 12.64 198.4 5.6 889.4 25.8 4.5 0.00 P 12.93 222.9 55.6 890.3 30.1 5.1 1.87$ A 13.22 199.5 164.6 890.8 32.5 5.4 4.26$ . 13.51 154.1 174.3 890.8 32.7 5.4 4.42$ . 13.79 120.7 144.8 890.7 32.1 5.4- 3.92$ . 14.08 96.8 116.0 890.6 31.6 5.3 3.36$ 14.37 79.3 94.3 890.5 31.2 5.3 2.88$ I 14.65 66.3 81.8 890.5 30.9 5.2 2.58$ I A 14.94 56.8 70.0 890.4 30.5 5.2 2.28$ I A 15.23 50.0 60.4 890.3 30.2 5.1 2.01$ . I A 15.52 45.0 52.9 890.3 30.0 5.1 1.80$ . I A 15.80 41.1 47.2 890.3 29.9 5.1 1.63$ . IA 16.09 37.9 42.8 890.2 29.7 5.1 1.49$ . IA 16.38 35.0. 39.1 890.2 29.6 5.1 1.37$ . IA 16.67 32.3 36.0 890.2 29.5 5.1 1.26$ . IA 16.95 30.4 33.3 890.2 29.4 5.0 1.17$ . IA 17.24 28.8 31.1 890.2 29.4 5.0 1.09$ . A 17.53 27.6 29.4 890.2 29.3 5.0 1.03$ . A .17.82 26.5 28.0 890.2 29.3 5.0 0.98$ . IA 18.10 25.6 27.2 890.1 29.3 5.0 0.95$ . A 18.39 24.7 26.7 890.1 29.2 5.0 0.93$ . A 18.68 23.9 26.0 890.1 29.2 5.0 0.90$ . A 18.96 23.0 25.4 890.1 29.1 5.0 0.88$ . A 19.25 22.2 24.6 890.1 29.1 5.0 0.85$ . IA 19.54 21.4 23.9 890.1 29.0 5.0 0.82$ . IA 19.83 20.5 23.1 890.1 28.9 5.0 0.79$ . IA 20.11 19.7 22.3 890.1 28.9 5.0 0.76$ . A 20.40 18.9 21:5 890.1 28.8 5.0 0.72$ . A 20.69 18.1 20.7 890.0 28.7 5.0 0.71$ . A. 20.98 17.5 20.0 890.0 28.7 4.9 0.70$ . IA 21.26 17.0 19.3 890.0 28.6 4.9 0.68$ IA 21.55 16.6 18.6 890.0 28.6 4.9 0.67$ IA 21.84 16.4 18.1 890.0 28.5 4.9 0.66$ IA 22.13 16.1 17.6 890.0 28.5 4.9 0.65$ IA 22.41 15.9 17.2 890.0 28.5 4.9 0.64$ A 22.70 15.8 16.8 890.0 28.4 4.9 0.63$ A 22.99 15.6 16.5 890.0 28.4 4.9 0.62$ A 23.27 15.4 16.3 890.0 28.4 4.9 0.62$ A 23.56 15.3 16.0 890.0 28.4 4.9 0.61$ A 23.85 15.1 15.8 890.0 28.4 4.9 0.61$ A 24.14 14.9 15.6 890.0 28.3 4.9 0.60$ A 24.42 13.9 15.3 890.0 28.3 4.9 0.60$ A 24.71 11.5 14.6 889.9 28.3 4.9 0.58$ IA 25.00 8.3 13.4 889.9 28.2 4.9 0.55$ IA 25.29 5.3 11.7 889.9 28.0 4.9 0.49$ IA I A I X I A I A A Page 12 . ?t E E 25.57 3.2 9.7 889.9 27.9 4.8 0.42$ IA 25.86 2.0 7.9 889.8 27.7 4.8 0.33$ A 26.15 1.2 7.5 889.8 27.6 4.8 0.31$ A - - 26.44 0.7 7.2 889.8 27.4 4.8 0.29$ A 26.72 0.4 6.9 _889.7 27.3 4.8 0.26$ A - 27.01 0.3 6.6 889.7 27.1 4.7 0.24$ A 27.30 0.2 6.3 889.7 27.0 4.7 0.20$ A 27.58 0.1 6.1 889.7 26.8 4.7 0.17$ A 27.87 0.0 6.0 889.6 26.7 4.7 - 0.16$ A 28.16 0.0 5.9 889.6 26.6 4.6 0.14$ A 28.45 0.0 5.8 889.6 26.4 4.6 0.13$ A 28.73 0.0 5.8 889.5 26.3 4.6 0.10$ A Time Qin Qout Elev Vol Area ExtVel I I I I 0. 50. 100. 150. END NRCS-FBH PLOT ***** MESSAGE - ASKTERISK NEXT TO EXIT VELOCITY MEANS SUBCRITICAL FLOW. DOLLAR SIGN MEANS VELOCITY EXCEEDS Tj4EOP TICAL LIMIT. c'- fia a?ek u m4tj, ? EMBANKME NT QUA NTITI ES -4 ,) y r VOLUME FILL= 42 . C Y MAX. HEIGHT = 20.2 FT TOP WIDTH = 16.0 TOP LENGTH = 11 231.6 FT AREA OF DAM= 0.36 AC, AREA TO SEED= 0.28 AC (PROJECTED HORZ. AREA) ----------------------------------------------------------------------- ------------------------------------------------------------------------ INFLOW HYD 1 PSH-PEAK = 5.65 CFS AT 20.98 HRS, LOCATION POINT INFLOW HYD 1 FBH-PEAK = 174.34 CFS AT 13.51 HRS, LOCATION POINT HYDOUT 1 Pond 1SITES.... JOB NO. 1 COMPLETE. ----------------------------------------------------------------------- gray Reid Gray Farm Pond 0 SUBWATERSHED(S) ANALYZED. 1 STRUCTURE(S) ANALYZED. 2 HYDROGRAPHS ROUTED AT LOWEST SITE. 0 TRIALS TO OBTAIN BOTTOM WIDTH FOR SPECIFIED STRESS OR VELOCITY. SITES..... COMPUTATIONS COMPLETE 1 SUMMARY TABLE 1 SITES VERSION 96.1 ---------------- DATED 05/01/2000 WATERSHED ID RUN DATE RUN TIME ---------- -------- -------- gray _ 01/23/2002 13:36:52 >>> SITE SUBWS SUBWS DA CURVE TC TOTAL DA TYPE STRUC <<< Page 13 . . -.% ID ----- ID ---- - (SO MI) ----- NO. MRS) (SO MI) DESIGN CLASS Pond x -- 0.60 ----- 61. ---- 1.53 ------- ----- ----- 0.60 3-78-R Al PASS DIA./ AUX.CREST BTM. MAX. MAX. EMB. INTEGR.* EXIT* TYPE NO. WIDTH ELEV WIDTH HP ELEV VOL. DIST. VEL. HYD (IN/FT) ---- ----- (FT) ------- - (FT) ----- (FT) ---- -- (FT) --- (CY) (FT) (FT/SEC) 1 10.0 889.5 50.0 2.3 -- 891.8 ------- ----- ------ --------- 4296. 0. 4.4 MIN. AUX. * INTEGRITY DIST. AND EXIT VEL. ARE BASED ON THE ROUTED HYDROGRAPH AND WILL NOT RELATE TO THE MAX. ELEV. (TOP OF DAM), WHICH IS SET BY MINIMUM DESIGN CRITERIA. SITES....... SUMMARY TABLE 1 COMPLETED. NRCS SITES VERSION 96.1 ,05/01/2000 gray FILES INPUT H:\sites992\sites992 program\data\gray\Gray.D2C OUTPUT - DATED 01/23/2002 13:36:52 H:\sites992\sites992 program\data\gray\Gray.OUT GRAPHICS FILES GENERATED OPTION "L" DATED 01/23/2002 13:36:52 H:\sites992\sites992 program\data\gray\Gray.DRG OPTION "P" DATED 01/23/2002 13:36:52 H:\sites992\sites992 program\data\gray\Gray.DHY OPTION "E" DATED 01/23/2002 13:36:52 H:\sites992\sites992 program\data\gray\Gray.DEM Page 14 915 910 905 E 900 1 895 e v 890 a t 885 i 0 880 n 00 875 870 0 P'S a, lw lot) zoo 250 300 350 400 450 500 Distance Utj PRIN. SPILLWAY: teat = 888L00, TOP of DAM = 891.81 AM SPILLWAY. Crest - 889.48 WS - gray, STR = Pond, FILE =Gray fs E e v a t i 0 n (ft) 893 892.5 892 891.5 891 89Q5 890 889.5 889 888.5 888 15 I( 4 4.5 5 5.5 6 6.5 7 Area (acres) WS = gray, STR = Pond, FILE = Gray 893 892.5 892 891.5 E I 891 e 890.5 Y a 890 t i 889.5 0 n 889 90 888.5 888 0 P17 cw 4W to 800 1000 1200 1400 1600 Discharge (ds) PRIN. SPILLWAY. Crest - 888.00 ALIX SPILLWAY: Crest = 889.48, BW = 50.00 WS - gray, STR = Pond, FILE - Gray D r s c h a r 9 a (Cfs) 35 30 25 20 15 10 5 0 0 - Inflow _ - Outflow P10 zu Q 60 80 100 120 140 160 Time Ns) PRIN. SPILLWAY. Crest a 888.00 WS = gray, STR = Pond, FILE = Gray 895 890 E I 885 e v a t 880 i n 875 (ft) 870 •tib . 4 P cg -4ts zt! 8 12 32 52 72 Distance (ft) PRIN. SPILLWAY: Crest = 888.00, TOP of DAM = 891.81 ALtX SPILLWAY. Crest = 889.48 WS = gray, STR = Pond, FILE = Gray 250 200 D - i 150 s c h 100 a r 9 50 e (cfs) 0 0 378 Des! 20 40 60 . 80 100 120 140 160 Time (hrs) PRIN. SPILLWAY. Crest - 888.00 AUX SPILLWAY. Crest = 889.48, BW - 50.00 WS = gray, STR = Pond, FILE = Gray - Inflow - Outflow - - Aux Spl. - Prin. Spl. P20 1. 1 N N N NX ? t ? `a C g r ? N N ? m r a M Zi b O ? y } %A v s ? 4 0 o co v o .n 02 C.4 - ° cn JH i -13 c` nCC c b -:13 m mo z cn? F . : ;?o o m i i i Q O lrn c am Z V1 C z 00 a L ? Z T- M U? O Z 7yrZ M m o M a? ? ?x 1 a? 3 ZE O d 'L3 r 4s. 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D r' t NRCS (ver. 11/98) USDA s REQUEST FOR CULTURAL RESOURCE REVIEW Natural Resources Conservation Service (This document is Freedom of information Exempt) - MAIL TO: Jim Errante, CRS, NRCS, 1835 Assembly St., Room 950, Columbia SC 29201 Ph. (803) 253-3937 FAX (803) 253-3670 Date: 4/25/02 County:Iredell Program Type: CO-01 Owners Name(s): Reid Gray List Practice(s): farm and Size of Practice(s): 3.5ac %age of Ground Surface Visible: 5 Type of Ground Cover: Pasture Noteworthy Characteristics (i.e. soil drainage terrain): Name of USGS Quad(s): Stony Point (Attach a photocopy of the practice area taken from a topo map and clearly note the locations). If any cultural resources (prehistoric or historic) are known to exist in the immediate vicinity of the practice area briefly describe:None at time of field inspection If cultural resources are present, how did you acquire this information? F-1 National Register of Historic Places Recollections of customer and/or adjacent land owner(s). Historian, museum, or historical society. Visual cues, such as artifacts, buildings, chimneys, walls, foundations/footing stones, bridges, abutments, depressions, mounds, earthworks, or other landscape features etc. Field survey will be conducted by (check one): ® FO. Staff ? CR Specialist Name of contact person submitting this request: Jim Summers (TO COMPLETED BY SHPO AND/OR CRS) ER# IV n archaeological sites have been previously recorded within the APE of this practice. Comments: r a?eK. ?)"Q-l "6r CnS a-7' fi S ?O ea Signature: Date: 5 The Natural Resources Conservation Service works hand-in-hand with AN EQUAL OPPORTUNITY EMPLOYER the American people to conserve natural resources on private lands. 77? I N, *?: bor '?? ., .ti ! 1 1 \ ` fir' .. • .. ? -. .?`? ; A _...? `\?? ?? •,''.,1537 ?.?• -? '^= ?1 ? :.?• ; ??'•? ? .. ? .. /• _I'?!,y•?r/ mss= \%?0.)7'. ••-?/"?••? r?=?-?l;i ?..?( N-"`?'- ?7/?I' \ V V / / •? I i \ ,• //??? a 1526 ? x .•\ ? \ ` ? ( ? ? (JJtJ ? I ?(.i7/S/-' ? ?-r- .pl S2} ? ` I •5 ?x ..? ) / . _ Z5 ? '•? r ,,• Z. ?.N?+?5ter11 ? 1 r ( w? • ? ? •? -t r r 'j` , ? i ? , Irv ? • _ ~-- /l?r .s... ?} '\ d?=-?b i_ , ,.l`` ? ? k) \ 1 .,7 ?1y ter, ?_ 5 .?, `• ?-": ?'.•, ?1 •,\ _ ? ?? ? r ' Z ? ?'?/?fr? ? ',, ??. .--' t/?/,, i y %:?.?'? \? •\ > •/? 152 d F_?-' i _ ?- ? al." . ij / ••?• ,h'O /: ?' ,• 1! 1, '- ? 'i ??/' (?.? ?? ' _ j r { \\`? ? r'• `?! '?•l' '? :?' '•`\ .r/? %v.r' ' l??•(\ ?• .i ?/'J ...1 is ? 0 ?`\? ,?•. ?=i,1MP%Q'" _ •bg•,.,'1% !rte ? _j' r?5t,•. r ; \ • ?, Cam" r`•C-_-•.'•'? -'?/ ??'`.;\ 1 \•'?i/r?? ?' ? r / !• -K. + \?? ' ?,/ '? I -` a,: ? C\\\))) tl? Y/rlal ??.,_? ; F ISOSI Ha r? ` -.` • r w `+.,,._. /?i Jli ,.. 979• _ " I •? ?? \1? ?erc:?'\ ?,.?r `, , -???•..'.n? ???/y,. 1997,