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HomeMy WebLinkAbout20090554 Ver 2_PCN Form Submission_20190620DR 02*10n of Water R"Ourc" Pre -Construction Notification (PCN) Form September 29, 2018 Ver 3 Initial Review Has this project met the requirements for acceptance into the review process?* r Yes r No Is this project a public transportation project?* r Yes r No Change only if needed. BIMS # Assigned * Version#* 20090554 2 Is a payment required for this project?* * No payment required What amout is owed?* * Fee received r $240.00 r Fee needed - send electronic notification r $570.00 Reviewing Office* Select Project Reviewer* Raleigh Regional Office - (919) 791-4200 Stephanie Goss:eads\szgoss Information for Initial Review 1a. Name of project: Olde Mill Stream 1a. Who is the Primary Contact?* Ralph Hodge 1 b. Primary Contact Email:* ralph@ralphhodge.com Date Submitted 6/20/2019 Nearest Body of Water Maple Creek Basin Tar -Pamlico Water Classification WS-IV;NSW Site Coordinates Latitude: 35.94791 A. Processing Information County (or Counties) where the project is located: Nash Is this project a public transportation project?* r Yes r No Longitude: -77.87581 1a. Type(s) of approval sought from the Corps: V Section 404 Permit (wetlands, streams and waters, Clean Water Act) F Section 10 Permit (navigable waters, tidal waters, Rivers and Harbors Act) 1 b. What type(s) of permit(s) do you wish to seek authorization? P Nationwide Permit (NWP) F- Regional General Permit (RGP) r- Standard (IP) 1c. Primary Contact Phone:* (252)237-3663 1c. Has the NWP or GP number been verified by the Corps? r Yes r No Nationwide Permit (NWP) Number: NWP Numbers (for multiple NWPS): 1d. Type(s) of approval sought from the DWR: rJ 401 Water Quality Certification - Regular F Non -404 Jurisdictional General Permit F Individual Permit 29 - Residential Developments 1e. Is this notification solely for the record because written approval is not required? For the record only for DWR 401 Certification: For the record only for Corps Permit: F 401 Water Quality Certification - E)press fJ Riparian Buffer Authorization 1f. Is this an after -the -fact permit application?* r- Yes r No 1g. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation of impacts? r Yes r No 1g. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation of impacts? r- Yes r- No Acceptance Letter Attachment 1h. Is the project located in any of NC's twenty coastal counties? r Yes r No 1j. Is the project located in a designated trout watershed? r- Yes r No B. Applicant Information 1d. Who is applying for the permit? R Owner FT Applicant (other than owner) 1e. Is there an Agent/Consultant for this project? r Yes r No 2. Owner Information 2a. Name(s) on recorded deed: Hodge -Morris, LLC 2b. Deed book and page no.: 2162, 770 2c. Responsible party: Ralph Hodge 2d. Address Street Address 2101 F Miller Road Address Line 2 aY Wilson Postal / Zip Cade 27893 2e. Telephone Number: (252)237-3663 29. Email Address:* ralph@ralphhodge.com 3. Applicant Information (if different from owner) 3a. Name: Robert S. Bartlett, PE State / Rovince / Pagion NC Country United States 2f. Fax Number: (252)206-5789 r Yes r No ryes r No 3b. Business Name: Bartlett Engineering and Surveying, PC 3c. Address Street Address 1906 Nash Street North Address Line 2 City Wilson Postal / Zip Cede 27893 3d. Telephone Number: (252)399-0704 3f. Email Address:* robert@bartletteng.com C. Project Information and Prior Project History 1. Project Information 1b. Subdivision name: (if appropriate) Olde Mill Stream 1c. Nearest municipality/ town: Rocky Mount 2. Project Identification 2a. Property Identification Number: 3830-18-31-0386,3830-18-31-1671 2c. Project Address Street Address S. Halifax Road Address Line 2 atY Rocky Mount Postal / Zip (ode 27804 3. Surface Waters 3a. Name of the nearest body of water to proposed project:* Maple Creek 3b. Water Resources Classification of nearest receiving water:* WS-IV;NSW 3c. What river basin(s) is your project located in?* Tar -Pamlico 3d. Please provide the 12 -digit HUC in which the project is located. 030201010607 4. Project Description and History State / Province / legion NC Country United States 3e. Fax Number: (252)399-0804 2b. Property size: 93.8 State / Province / I3gron NC Country United States 4a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this application:* The 93.8 acre site is partially wooded, mainly cropland farmstead with one stream/wetland feature on the east side and one strearn/wetland feature (Maple Creek) on the south side. Bounded on the east by Halifax Road. Most of the surrounding area is agricultural. 4b. Have Corps permits or DWR certifications been obtained for this project (including all prior phases) in the past?* F Yes r No r Unknown 4c. If yes, please give the DWR Certification number or the Corps Action ID (exp. SAW -0000-00000). USAE Action ID: 200800727 (SAW -2008-00727) Project History Upload Olde Mill Stream USAE 404 permit.pdf 413.68KB 4d. Attach an 8 1/2 X 11 excerpt from the most recent version of the USGS topographic map indicating the location of the project site. (for DWR) 18-266 Quad Map.pdf 209.55KB 4e. Attach an 8 1/2 X 11 excerpt from the most recent version of the published County NRCS Soil Survey map depicting the project site. (for DWR) 18-266 Soils Map.pdf 185.79KB 4f. List the total estimated acreage of all existing wetlands on the property: 22.20 AC 4g. List the total estimated linear feet of all existing streams on the property: 5259 LF 4h. Explain the purpose of the proposed project:* Residential Subdivision 4i. Describe the overall project in detail, including indirect impacts and the type of equipment to be used:* Project will consist of clearing and grading with appropriate erosion control measures and installation of roads and utilities for subdivision. Access to the main portion of the property will require a perpendicular crossing of a stream/wetland. 4j. Please upload project drawings for the proposed project. Olde Mill Stream Ph 1 S & E.pdf 579.19KB S. Jurisdictional Determinations 5a. Have the wetlands or streams been delineated on the property or proposed impact areas?* r Yes r No r Unknown Comments: 5b. If the Corps made a jurisdictional determination, what type of determination was made?* r Preliminary r Approved r Not Verified r Unknown r N/A Corps AID Number: SAW -2019-00073 5c. If Sa is yes, who delineated the jurisdictional areas? Name (if known): Agency/Consultant Company: Other: Jeff Harbour Environmental Services, Inc. 5d. List the dates of the Corp jurisdiction determination or State determination if a determination was made by the Corps or DWR 6/18/2019 5d1. Jurisdictional determination upload Olde Mill Strm wetland delineation signed 05-29-19.pdf 634.41 KB 6. Future Project Plans 6a. Is this a phased project?* r Yes r No 7b. If yes, explain. The site will be divided into four residential phases. Phase 1 consists of the perpendicular access crossing, temporary emergency access crossing and utility tie-in (no other impacts are expected in the remaining phases). The main sewer outfall line installation and associated impacts and permits will be conducted by the City of Rocky Mount with preliminary approval. Are any other NWP(s), regional general permit(s), or individual permits(s) used, or intended to be used, to authorize any part of the proposed project or related activity? Please see statement above. D. Proposed Impacts Inventory - 1. Impacts Summary 1a. Where are the impacts associated with your project? (check all that apply): P Wetlands R Streams -tributaries F- Open Waters r Pond Construction 2. Wetland Impacts V Buffers 2a1 Reason(?) 2b. Impact type"(?) 2c. Type of W. 2d. W. name" 2e. Forested" 2f. Type of 112g. Impact Jurisdicition * M area* W1 Subdivision P Headwater Forest Unnamed Trib. to Maple Creek Yes Both 0.007 (acres) W2 Subdivision ��T Headwater Forest Unnamed Trib. to Maple Creek Yes Both 0.018 (acres) W3 W4 Subdivision Subdivision P P Headwater Forest Headwater Forest Unnamed trib. to Maple Creek Unnamed trib. to Maple Creek Yes Yes Both Both 0.014 (acres) 0.026 (acres) W5 Subdivision P Headwater Forest Unnamed trib. to Maple Creek Yes Both 0.097 (acres) 2g. Total Temporary Wetland Impact 0.018 29. Total Wetland Impact 0.162 2h. Comments: 3. Stream Impacts 2g. Total Permanent Wetland Impact 0.144 3i. Total jurisdictional ditch impact in square feet: 0 3i. Total permanent stream impacts: 162 3i. Total stream and ditch impacts: 267 3j. Comments: Values above in 3i do not make sense. We have the values, in order from top to bottom as: 5865, 3240, 2625 and 5865. 6. Buffer Impacts (for DWR) 6a. Project is in which protect basin(s)? Check at that appy. ❑ Neuse ❑ Catawba ❑ Goose Creek ❑ Other 3i. Total temporary stream impacts: 105 gF Tar -Pamlico ❑ Randleman ❑ Jordan Lake 6b. Impact Type 3a. Reason for impact (?) 3b.lmpact type * 3c. Type of impact* 3d. S. name * 3e. Stream Type* 3f. Type of 3g. S. width * 3h. impact ❑ 0 1,175 132 P (?) Jurisdiction* 547 length* S1 Subdivision Permanent Culvert Unnamed trib. to Map[ P Perennial Both 20 82 No 5,920 0 B3 Creek Unnamed trib. to Maple Creek No Aver�e(feet) (irrfe�) S2 Subdivision Permanent Culvert Unnamed trib. to Maple P Intermittent Both 20 80 No 0 4,315 -1 Creek Unnamed Unnamed trib. to Maple Creek No Aver ge(feet) (lirfeet) S3 Subdivision Tem ora P rY Culvert unnamed trib. to Ma le P Perennial Both 25 105 No 011 2,654 Creek Average (feel) (Gr�ear feet) 3i. Total jurisdictional ditch impact in square feet: 0 3i. Total permanent stream impacts: 162 3i. Total stream and ditch impacts: 267 3j. Comments: Values above in 3i do not make sense. We have the values, in order from top to bottom as: 5865, 3240, 2625 and 5865. 6. Buffer Impacts (for DWR) 6a. Project is in which protect basin(s)? Check at that appy. ❑ Neuse ❑ Catawba ❑ Goose Creek ❑ Other 3i. Total temporary stream impacts: 105 gF Tar -Pamlico ❑ Randleman ❑ Jordan Lake 6b. Impact Type 6c. Per or Temp 6d. Stream name 6e. Buffer mitigation required? 6f. Zone 1 impact 6g. Zone 2 impact 131 P Unnamed trib. to Maple Creek No 0 1,175 132 P Unnamed trib. to Maple Creek No 547 0 B2 P Unnamed trib. to Maple Creek No 0 409 133 P Unnamed trib. to Maple Creek No 5,920 0 B3 P Unnamed trib. to Maple Creek No 0 2,670 134 P Unnamed trib. to Maple Creek No 0 2,127 65 P Unnamed trib. to Maple Creek No 0 4,315 B61 Unnamed Unnamed trib. to Maple Creek No 0 1,766 67 T Unnamed trib. to Maple Creek No 6,348 0 B7 T Unnamed tnb. to Maple Creek No 011 2,654 6h. Total buffer impacts: Zone 1 Zone 2 Total Temporary impacts: 6,348.00 2,654.00 Zone 1 Zone 2 Total Permanent impacts: 6,467.00 12,462.00 Zone 1 Zone 2 Total combined buffer impacts: 12,815.00 15,116.00 6i. Comments: Supporting Documentation Olde Mill Stream Ph 1 Wetland & Buffer Impact Plans.pdf 1.12MB E. Impact Justification and Mitigation 1. Avoidance and Minimization 1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing the project: Site was configured to perpendicularly cross wetland and buffer zones at one location to access the site. The City requested a second temporary emergency access. 1b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques: Limits of disturbance will clearly be marked and silt fence used along wetlands and buffer zones downslopes of any disturbance along with temporary diversions and sediment traps upslope of wetland/buffer areas. 2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State 2a. Does the project require Compensatory Mitigation for impacts to Waters of the U.S. or Waters of the State? f Yes r No 2b. If this project DOES NOT require Compensatory Mitigation, explain why: Not required due to the type of buffer and limited disturbance. F. Stormwater Management and Diffuse Flow Plan (required by DWR) 1. Diffuse Flow Plan 1a. Does the project include or is it adjacent to protected riparian buffers identified within one of the NC Riparian Buffer Protection Rules? r Yes r No What type of SCM are you providing? [ Level Spreader [ Vegetated Conveyance (lower SHWT) Wetland Swale (higher SHWT) P Other SCM that removes minimum 30% nitrogen F- Proposed project will not create concentrated stormwater flow through the buffer Diffuse Flow Documentation 18_266 Stormwater Design Calcs.pdf 3.29MB 2. Stormwater Management Plan 2a. Is this a NCDOT project subject to compliance with NCDOT's Individual NPDES permit NCS000250?* r Yes r No 2b. Does this project meet the requirements for low density projects as defined in 15A NCAC 02H .1003(2)? r Yes r No 2c. Does this project have a stormwater management plan (SMP) reviewed and approved under a state stormwater program or state -approved local government stormwater program? V Yes r No 2d. Which of the following stormwater management program(s) apply: 17 Local Government [ State Local Government Stormwater Programs F Phase II 9 NSW r' USMP r Water Supply Please identify which local government stormwater program you are using. City of Rocky Mount, Nash County NC Comments: G. Supplementary Information 1. Environmental Documentation 1a. Does the project involve an expenditure of public (federal/state/local) funds or the use of public (federal/state) land?* r Yes r No 2. Violations (DWR Requirement) 2a. Is the site in violation of DWR Water Quality Certification Rules (15A NCAC 2H .0500), Isolated Wetland Rules (15A NCAC 2H .1300), or DWR Surface Water or Wetland Standards or Riparian Buffer Rules (15A NCAC 2B .0200)?* r Yes r No 3. Cumulative Impacts (DWR Requirement) 3a. Will this project result in additional development, which could impact nearby downstream water quality?* r Yes r No 3b. If you answered "no," provide a short narrative description. BMP measures will be implemented. 4. Sewage Disposal (DWR Requirement) 4a. Is sewage disposal required by DWR for this project?* r Yes r No r N/A 4b. Describe, in detail, the treatment methods and dispositions (non -discharge or discharge) of wastewater generated from the proposed project. If the wastewater will be treated at a treatment plant, list the capacity available at that plant. Wastewater will be discharged to the proposed sanitary sewer extension with NCDEQ permit no. Q0033671. 5. Endangered Species and Designated Critical Habitat (Corps Requirement) 5a. Will this project occur in or near an area with federally protected species or habitat? r Yes r No 5b. Have you checked with the USFWS concerning Endangered Species Act impacts?* r Yes r No 5c. If yes, indicate the USFWS Field Office you have contacted. Raleigh 5d. Is another Federal agency involved?* r Yes r No 5e. Is this a DOT project located within Division's 1-8? r Yes r No 5f. Will you cut anytrees in order to conduct the work in waters of the U.S.? r Yes r No 5g. Does this project involve bridge maintenance or removal? r Yes r No 5h. Does this project involve the construction/installation of a wind turbine(s)?* r Yes r No r Unknown 5i. Does this project involve (1) blasting, and/or (2) other percussive activities that will be conducted by machines, such as jackhammers, mechanized pile drivers, etc.? r Yes r No 5j. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat? USFWS Website Consultation Documentation Upload 18-266 Critical Habitat for Threatened & Endangered Species.pdf 180.03KB 6. Essential Fish Habitat (Corps Requirement) 6a. Will this project occur in or near an area designated as an Essential Fish Habitat? r Yes r No 6b. What data sources did you use to determine whether your site would impact an Essential Fish Habitat?* NOAA Essential Fish Habitat Mapper. 7. Historic or Prehistoric Cultural Resources (Corps Requirement) 7a. Will this project occur in or near an area that the state, federal or tribal governments have designated as having historic or cultural preservation status?* f Yes B No 7b. What data sources did you use to determine whether your site would impact historic or archeological resources?* NC State Historic Preservation Office. 7c. Historic or Prehistoric Information Upload 18-266 Historic Properties Map.pdf 222.97KB 8. Flood Zone Designation (Corps Requirement) 8a. Will this project occur in a FEMA -designated 100 -year floodplain?* R Yes f No 8b. If yes, explain how project meets FEMA requirements: Not altering the 100 -year flood limits. 8c. What source(s) did you use to make the floodplain determination?* FEMA Maps Miscellaneous Comments Stormwater Plan not required for Phase 1, with overall impervious approx. 7%. Additional phases will require Stormwater BMP's for peak flow and nutrient reduction. Miscellaneous attachments not previously requested. 18_266 NOAA Habitat Conserv Map.pdf 57.32KB 18_266 Signed O & M Agreement.pdf 198.66KB 18-266 Deed.pdf 267.79KB Olde Mill Stream 401 Certification 5-6-2010.pdf 2.38MB FEMA Flood Map.pdf 443.13KB Signature * R By checking the box and signing below, I certify that: • I have given true, accurate, and complete information on this form; • I agree that submission of this PCN form is a "transaction" subject to Chapter 66, Article 40 of the NC General Statutes (the "Uniform Electronic Transactions Act"); • I agree to conduct this transaction by electronic means pursuant to Chapter 66, Article 40 of the NC General Statutes (the "Uniform Electronic Transactions Act"); • I understand that an electronic signature has the same legal effect and can be enforced in the same way as a written signature; AND • I intend to electronically sign and submit the PCN form. Full Name: Robert S. Bartlett, PE Signature �PG4 S �taYYe�rs l• Date 6/20/2019 AGENT AUTHORIZATION FORM PROPERTY LEGAL DESCRIPTION: 3830-18-31-0386, Deed Book No.: 2162 Page: 770 PARCEL ID: 3830-18-31-1671 STREET ADDRESS: S. Halifax Rd. Nash County, NC Please print: Property Owner: Hodge & Morris, LLC Property Owner: The undersigned, registered property owners of the above noted property, do hereby authorize Robert S. Bartlett of Bartlett Engineering & Surveying, PC (Contractor / Agent) (Name of consulting firm) to act on my behalf and take all actions necessary for the processing, issuance and acceptance of this permit or certification and any and all standard and special conditions attached. Property Owner's Address (if different than property above): 2101 F. Miller Rd. Wilson, NC 27893 Telephone: (252)237-3663 We hereby certify the above information submitted in this application is true and accurate to the best of our knowledge. 1A LZ2��z Authorized nature c� Authorized Signature Date: I ■ Date: a 3982 { u 1 ,h . c h •4s - ' urg, �a�ed13 oA G,C ,�y'F► f WeC w a • _ Nra d Lfd t - Nu Jh � t.arvr�vzinjA Nos NuB CnA H L NoB e BOB Nr8 �_. , Go+l fJ _ r*r ` y N - � � '' . � .4 ' _ fitirR ` G — � Fi- L_ Wh E3 { .- �-� 'fFa .ti-n - P. rR3 FJ a; - NPH He NPS Wn A F C�A F.3 AOR fAl Nr ~' NrS ea fd Bf ; dfr� GO GoA WeR F 7 5 Nr6 eea� Ft.e -- �,F: r' "r►rr _ � F{,t 'Fc�:'`-� Stir y •, 9{�. 4 NCR N o8 Ufa10 Nte 140, Go WE Cry 11- lur Ks `r nYA`f \4 flli4 - f tc,T4 r? ' . •.C. Neil f I aA £i Wry N, it . rf lira _ - 1� � .•-✓1. "L . K , "1 ~ Carr NFa6 R ,hLe 11 ] NPB ' e ftu8. F$s*nbup Mr / ey 7 NUB NrB i f.Wl „r� F1Fr'F7 U.S. Fish and Wildlife Service | State of North Carolina DOT, Esri, HERE, Garmin, INCREMENT P, Intermap, USGS, METI/NASA, EPA, USDA Critical Habitat for Threatened & Endangered Species [USFWS] A specific geographic area(s) that contains features essential for the conservation of a threatened or endangered species and that may require special management and protection. Final Linear Features Final Polygon Features Proposed Linear Features Proposed Polygon Features 600ft OLDE MILL STREAM — Phase 1 S. Halifax Road Nash County, NC STORMWA.TER DESIGN CALCULATIONS June 19, 2019 101 �cHL 1 20106 (p� 6'F ��.�'GlNEE�.•' BAR � BAFrMETT D G EM & KEYm PC 1906 Nash Street North Wilson, NC 27893-1726 Phone: (252) 399-0704 Fax: (252) 399-0804 Roberta bartlett com OLDE MILL STREAM — Phase 1 STORMWATER POND DESIGN CALCULATIONS GENERAL SITE DESCRIPTION The proposed project is located at the corner of S. Halifax R (SR 1544), in Nash County. (Latitude: 35.946597°; Longitude: -77.871316 °). The site is currently wooded with areas that was used for farming. The attached USGS topographic map of shows a blue line (Maple Creek) crossing the property on the south but will not be impacted by the development. Site Data: Total acreage Phase 1 Total number of lots Roadway impervious Total BUA (Lots 1-61) Open Space (Lots 215-218) Proposed impervious (Phase 1) 95.30+/- acres 20.31+/- acres 61 (including BMP/SCM Lot 48) 2.42+/- acres 3.25 acres 30.18+/- acres 5.67 acres (5.95%) g I tz '50 93 571 1 as .2 All ICA railer rk. ii 3183 APP11 —1 57'300 -1 n I 1MD4 -1 n NOR 11 ;,.B Plus - .. WCC p t + Noo r Nr$ tld llto Kla N.,b `)tp w rcA �. h Nn3'' 5 FIA c3Of3 iiOA 4 I h -r • ,_ �a +' ,, 'M ., Nria _a. �or ,Ra } �!X ism- {'1. , • gin- - - , � " � Nrf3 Num- jRA 66 E Eil rpp Na Np8 NCO ti QIFA kfo kse In �— yIlk- lo— P4,40 r rim Nr,p�* f ti rp MP NrA NmEI ^r [;r tr-� 'C 1- F" ! RiDA RA 7 .r Ill L WAS x - fir - � r•� ._- r _ Ip 13 r_ - {�rWijti`.'• _ r � * fir-- -!'J' `�1'r� ` w �e tJr! Pon 4 r f (-AA, •.t, Rluf3 a 1 P4 IT4 t { t, zgu boo 1,000 1,500 2,000 National Flood Hazard Layer FI RMette ( FRMA Legend SEE FIS REPORT FOR DETAILED LEGEND AND INDEX MAP FOR FIRM PANEL LAYOUT Without Base Flood Elevation (BFE) Zone A, V, A99 SPECIAL FLOOD With BFE or Depth zone AE, AO, AH, VE, AR HAZARD AREAS Regulatory Floodway 0.2% Annual Chance Flood Hazard, Area of 1% annual chance flood with average depth less than one foot or with drainag. areas of less than one square mile zone Future Conditions 1% Annual Chance Flood Hazard zenex Area with Reduced Flood Risk due to DITHER AREAS OF Levee. See Notes. zone x FLOOD HAZARD Area with Flood Risk due to Leveezone o 0 SCREEN Area of Minimal Flood Hazard zone x Effective LOMRs OTHER AREAS Area of Undetermined Flood Hazard zona GENERAL ---- Channel, Culvert, or Storm Sewer STRUCTURES 11 1 11 1 1 Levee, Dike, or Floodwall Cross Sections with 1% Annual Chance 17.5 Water Surface Elevation o- — — Coastal Transect —s,3— Base Flood Elevation Line (BFE) Limit of Study — Jurisdiction Boundary -- --- Coastal Transect Baseline OTHER _ Profile Baseline FEATURES Hydrographic Feature Digital Data Available ,NtI No Digital Data Available /` MAP PANELS Unmapped ^ �I� The pin displayed on the map Is an approximate point selected by the user and does not represe an authoritative property location. This map complies with FEMA's standards for the use of digital flood maps If It Is not void as described below. The basemap shown complies with FEMA's basemap accuracy standards The flood hazard information Is derived directly from the authoritative NFHL web services provided by FEMA. This map was exported on 5/23/2019 at 11:36:37 AM and does not reflect changes or amendments subsequent to this date and time. The NFHL and effective information may change or become superseded by new data over time. This map Image Is void if the one or more of the following map elements do not appear. basemep Imagery, flood zone labels, legend, scale bar, map creation date, community identifiers, FIRM panel number, and FIRM effective date. Map Images for unmapped and unmodernlzed areas cannot be used for regulatory purposes. CONSTRUCTED WETLAND DESIGN CALCULATIONS ■ NUTRIENT CALCULATIONS • SUPPLEMENT -EZ • STORMWATER WETLAND DESIGN DATA • 1 -YR HYDROGRAPH REPORT • POND CALCULATIONS Tar -Pamlico Stormwater Rule 15A NCAC 2B. 0258 Last Modified 6/19/2019 Piedmont of the Tar -Pamlico River Basin: Includes Oxford, Henderson, Rocky Mount and Tarboro as well as Franklin, Nash and Edgecome Counties Total Nitrogen and Total Phosphorus Loading Calculation Worksheet (Automated) Project Name: Old Mill Stream - Phase I Date: 61/9/1019 By: Bartlett Engineering and Snrvet•ing, PC Checked By: Directions (same for pre -development and post -development tables): > Enter the acres of each type of land cover in the green boxes. The spreadsheet will calculate all of the values in light blue. > Compare total areas of development in pre- and post- tables for consistency (bottom of column (2)), and also for consistency with the site plans. If all of these values are not the same, there is an error that must be corrected. > Unless drainage onto the development from offsite is diverted around or through the site, offsite catchment area draining in must be included in the acreage values and treated. Pre -development: tl -f lie of L and C'oFer �ila aS�ca ? � 36i[� Fii� ii ; ; A..eag.EMGcoiri1Y01NJ Efi"�4trnaa . EO .'IEN. ii, .... :.: � .:.: A : Al':`�l':3ti . ..s .� �• $ sara faspvrtativaainapar►srtrs:::: 0.47 2.60 0.00 0.19 0.00 Poor faiipi'ul�Ais=ii.` 0.47 1.95 0.14 0.11 0.01 1VfIjgy�ged pervious i';: landscaped] 0.47 1.42 0.00 0.28 0.00 ;tiranaged lier4iutas 0.47 f rrp�la$�) 4.23 67.12 1.23 19.52 'NlanaFed vi4ai� asti�s!¢ 0.47 2.04 0.00 0.62 0.00 �l ooded pr [' l6ps 0.47 0.94 27.40 0.14 4.08 l~rneliun lmpersious.(i).- 0.00 Tti. Landing 94.65 'TP I.oadiva 23.60 (Ibf.vr] Y 0Wvr) Total :Area of De■•elnppieur - 95.30 1'N Epp. Cr>efl. 0.99 TP Esp=. ('peff-, 0.25 {lEti tl}rj = 0- 0_- Post -development: 04 Py 7'}'}�c of Land Crater € 'S.M. Formula:�veic IvP41 is€€Goliiii€ AXe:`.`"G Column::: ::::::: eFes :::::: t#.4fi + 8:31 vf: ` 2:'€*: 3 ?:' :::: ' o€:T1P€ Sri .1 ': , . . 3 6 T'ra6s.Iiri...Wjon lm(acr;ipaas ... 0.96 2.60 5.94 0.19 0.43 d€iiperuioijs: ` :`? 0.96 1.95 6.29 0.11 0.36 nageip»`i[i ':' 0.96 1.42 43.54 0.28 8.58 0.96 0.95 52.60 0.14 7.75 Fraetivn Impervious f l l = 0.06 TNI I.oWirw 108.37 IT Loading 17.13 fEblvfj � (1Ww'r] Total Area fll' Development 95.30 TN Fxp. Coeff. 1.14 PP Exp _ cif 0.18 >ilhlaals.r] _ ,[Itla�yirl' = Note: The nutrient loading goals are 4.0 lb/ac/yr for TN and 0.41b/ac/yr for TP. If the post -development nutrient loading is below these levels, then no BMP is necessary. Otherwise, the next worksheet calculates post -development TN and TP loadings after BMPs are installed. Tar -Pamlico Storm water Rule 15A NCA C 28.0258 Piedmont of the Tar -Pamlico River Basin: Includes Oxford, Henderson, Rocky Mount and Tarboro as well as Franklin, Nash and BMP Removal Calculation Worksheet (Automated) Project Name: Old Mill Stream - Phase I Date: IM12005 By: Bartlett Engineering and Surveying, PC Checked By: Counties Last Modified 5123/03 > It may be advantageous to split the development into separate catchments to be handled by separate BMPs. The tables below allow the development to be split into as many as three catchments, and can be copied for greater than three. NOTE: Unless runoff > Above each table: Enter the catchment acreage in the top green blank. Based on a comparison of the post -development TN and TP export coefficients you calculated above to the role requirements of 4.0 lb/ac/yr TN and 0.4 lb/ac/yr TP, select BMP(s) from t > Catchment Tables: Enter the acres of each type of land cover in the green boxes. The spreadsheet will calculate all of the fight blue boxes. NOTE: Compare the Total Catchment Acreage for the Development (final table) to the value you established in th BMP 25 40 NC BMP Manual Nutrient 44 :("L* 40 35 NC BMP Manual Removal 6f.:. 35 45 NC BMP Manual Rates 2.60 35 45 NC BMP Manual 4.17 1.95 20 20 NC BMP Manual kil P 4.17 .... ........ ...... 6.64 0.28 1.31 .:...-:Wooded Pervious 4.17 0.94 20 35 NC BMP Manual Are.'A I aken up bll BM 1 4.17 1.95 10 10 NC BMP Manual Catchment 1: Total acreage of catchmentac First BMP's TN removal rate % First BMP's % TP remov 'rate Second BMP's TN removal rate = % Second BMP's TP removal rate % 0% Third BMP's TN removal rate = Third BMP's TP removal nate - % TOTAL TN REMOVAL RATE = 40 % TOTAL TP REMOVAL RATE = 35 % .. WUVRI SA ... ........ 44 :("L* `: `:piipDEipltipettlfus:' 4.17 2.60 8.79 0.19 0.64 4.17 1.95 2.69 0.11 0.15 kil P 4.17 1.42 6.64 0.28 1.31 .:...-:Wooded Pervious 4.17 0.94 0.00 0.14 0.00 Are.'A I aken up bll BM 1 4.17 1.95 2.37 0.11 0.13 Fraction hTiperviowi il).=. OAS ......... 20.48 r 2.24 Total .area of i1 vein an PitiBAIF 11V 8.03 ::::die Biig 0.88 ......... . ... . ..... 12.29 ..... . 1.45 :Q ....... 4.82 : 6)i 4W- 0.57 ........ � .: bli (Ikikirl -'� Tar -Pamlico Stormwater Rule 15A NCAC 2B. 0258 Last Modified 5/23/03 Catchment 2: Total acreage of catchment 2 = 6.515 ac First BMP's TN removal rate = .40 % Fust BMP's TP removal rate =% Second BMP's TN removal rate = % Second BMP's TP removal rate = % Third BMP's TN removal rate = % Third BMP's TP removal rate = % TOTAL TN REMOVAL RATE = 4U % TOTAL TP REMOVAL RATE = 35. % lrpeof Land C wvr Clik RCu1 S.tif. Ebeti�R1� '•�YSr gF�I�� E ? 1 �tilysirs Average 1 IC C'oEuRtri ;E931 ' :�?`•' ., .-' ; � ` � ': ;, � ;�'-3 d4}.. u�3'#� m 1. 2 ^. 3}' b I rall.Portatlon inloertiipuS 3.79 2.60 14.07 0.19 1.03 I�IPEssssE s 3.79 1.95 8.72 0.1 [ 0.49 17ol:sit}�til gcrrfiptsS 3.79 1.42 18.98 0.28 3.74 IVoadrdpc:[-iipus 3.79 0.94 0.00 0.14 0.00 Area ukrn up by 0 13i' 3.79 1.95 2.83 il.l I 0.16 Frastian lm pe P 0.40 Pre -BMP TM 44.60 I'rr-13P17:I''1'P 5.42 �:nHi�(klirsr)= E�aad.{Ibr}rl.[ 1'o[a l .area.af ileveigjlext d : 6.53 Frr 1ShSP 71k Expo 6.84 Ary. -p p TP.[svor 0.83 djx[ fI6 nenrl ........... . ................ . ::::::::::::::::::::::::::::::::::::::::::: ...................... .: P� 13MPT 26.76 . . ..TP 3.52 5b i# N 4.10 ky6s B1t33P`::: 0.54 ............................. art lhla'''r� Catchment 3: Total acreage of catchment 3 = ac First BMP's TN removal rate = % First BMP's TP removal rate = % Second BMP's TN removal rate = % Second BMP's TP removal rate = % Third BMP's TN removal rate = % Third BMP's TP removal rate = % TOTAL TN REMOVAL RATE = 0 % TOTAL TP REMOVAL RATE = 0 % .:.:.:.:..:.:.:.:.: t?idoxe�Fouiila:' .•...........:.....:.:.:.:.:.:.:.:.::::.:.:.:::.:.:.:.::.:.:.:.:.:.:.:.:.:.:.:.::: �iY�S z1: erge1V# ''.g.unn.. ,., " ..AversgeI€,:.;...Coluiin ::?:f9i�E;r�a� i=�:;:: as46.. $.311€:::€af'1'Pjl�>ert ��1� �; '€: $ .. 3 .. 4 ��::::.:..:.::..:.::: •::.,::.. ,. ....�:.:... ''.€'iraigita;oi riipi rvlais 2.60 0.19 1.95 0.11 1t4iig4!etcuttits ; :`; 1.42 0.28 ?WroodEiEei✓s`aus::`` 0.94 0.14 ;ref$iri ip lsy#l�#I'€ :` 1.95 0.11 � ierviaus'• � � � �' M1*.N ;.:.;p �Isoal?€lb. .Y... �Ta�il'1Tsf ' ortal*eea :.:.::•:•�•::y:.�.:.:.:.:.`.:�x�:` of 1Se..�,np�scet.:..,:. d ....(.h4ach'.2;. SE 13 Ir Patit . T 1 1 f B j. aad Ib r 'l'A[ l t ES P �!�P. •' ori: �IDda I r 1 �+x J. Tar -Pamlico Stormwater Rule 15A NCAC 2B. 0258 Last Modified 5/23/03 SUPPLEMENT -EZ COVER PAGE FORMS LOADED PROJECT INFORMATION 1 Project Name Olde Mill Stream - Phase 1 2 Pro'ectArea tac) 95.3 3 Coastal Wetland Area (ac) N/A 4 Surface Water Area ac 0 5 Is this project High or Low Density? Hi2h 6 1 Does this project use an off-site SCM? No COMPLIANCE WITH 02H.1003(4) 7 Width of vegetated setbacks provided feet 50 8 Will the vegetated setback remain vegetated? Yes 9 Is BUA other that as listed in .1003(4 c -d) out of the setback? Yes 10 Is streambank stabilization proposed on this project? No NUMBER AND TYPE OF SCMs: _ 11 Infiltration System 0 12 Bioretention Cell 0 13 Wet Pond 0 14 Stormwater Wetland 2 15 Permeable Pavement 0 16 Sand Filter 0 17 Rainwater Harvesting RWH 0 18 Green Roof 0 19 Level S .reader -Filter Strip LS -FS 0 20 Disconnected Impervious Surface DISC 0 21 Treatment Swale 0 22 D Pond 0 23 StormFilter 0 24 Silva Cell 0 25 Ba alter 0 26 1 Filterra 0 FORMS LOADED DESIGNER CERTIFICATION 27 28 29 Name and Title: _ _ Organization: _ Street address: Robert S. Bartlett Bartlett Enqineeri2q & Surve in , PC 1906 Nash Street N Wilson, NC, 27893 30 Cily, State, Zip: 31 32 Phone numbers): _ Email: (252)399-0704 robert@bartletteng.com Certification Statement: I certify, under penalty of law that this Supplement -EZ form and all supporting information were prepared under my direction or supervision; that the information provided in the form is, to the best of my knowledge and belief, true, accurate, and complete; and that the engineering plans, specifications, operation and maintenance agreements and other supporting information are consistent with the information provided here. \\\�ly��i, �'�OFEBs�'Q�l�' Q 0�;9 �+c 9 • • 2t7 q� ^0. 10 _ C/NEEF� .� SignAl6re of Designer Date DRAINAGE AREAS r31 Is this a high densi project? Yes 2 If so, number of drainaae areas=Ms 2 ]Is all/part of this project subject to previous rule versions? Yes CLICK TO LOAD FORM (DRAINAGE AREA INFORMATION P; _-_---_- _—�— Entire Site -` - Stormwater 4 TvDe of SCM Wetlands 5 Total BUA in project (sq ft} _ 246937 sf New BUA on subdivided lots (subject to permitting) 6 ft 141600 sf New BUA outside of subdivided lots (subject to 7 ermittin sf) 105337 sf 8 Offsite - total area (sq ft) 9 Offsite BUA s 10 Breakdown of new BUA outside subdivided lots: Parkin (sq ft) - Sidewalk - Roof ft -Roadway( ft 105337 sf - Future ft - Other, please specify in the comment box below ft New infiltrating permeable pavement on 11 1 subdivided lots ft New infiltrating permeable pavement outside of 12 subdivided lots ft Exisitng BUA that will remain (not subject to 13 ermitti ft 14 Existing BUA that is already permitted ft 15 Exisfino BUA that will be removedft 16 Percent BUA 6% 17 ' Desn storm (inches) 1 in 18 n Desi volume of SCM cu ft) 14016 of 19 Jdakculation method for design volume Simple Method ADDITIONAL INFORMATION Please use this space to provide any additional information about the 20 drainage area(s): _ Design volume 14,016 of = 4,303 cf (SCM#1) + 9,713 (SCM#2) STORMWATER WETLAND 1 _Drainage area number 2 Design volume of SCM (cu ft) ,f2ENERAL MDC ritom 02H .7050 3Is the SCM sized to treat the SW from all surfaces at buildout? 4 J Is the SCM located away from contaminated soils? 5 - What are the side slopes of the SCM (H:V)? Does the SCM have retaining walls, gabion walls or other engineer 6 slopes? Are the inlets, outlets, and receiving stream protected from erosion 7 storm)? 8 Is there an overflow or bypass for inflow volume in excess of the de 9 f What is the method for dewatering the SCM for maintenance?1 _ 10 If applicable, will the SCM be cleaned out after construction? 11 Does the maintenance access comply with General MDC (8)? 12 Does the drainage easement comply with General MDC (9)? If the SCM is on a single family lot, does (will?) the plat comply with 13 (10)? 14 Is there an O&M Agreement that complies with General MDC (11)? 15 Is there an O&M Plan that complies with General MDC (12)? 16 1 Does the SCM follow the device specific MDC? _IL_j Was the SCM designed by an NC licensed professional? nORMWATER WETLAND MDC FROM 02H .105+1, 18 Are the inlet(s) and outlet located in a manner that avoids short-ciroi 19 Are berms or baffles provided to improve the flow path? 20 Does the orifice drawdown from below the top surface of the permai Does the wetland minimize impacts to the receiving channel from th 21 storm? 22 Is a trash rack or other device provided to Drotect the outlet system? Yes Yes at MDC 6 in 4749 d 11041 cf No No Yes Yes Yes Yes 3:1 3:1 side No ND' 1 -year Yes Yes n volume? Yes Yes Yes Yes at MDC 6 in _ Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes pool? T. 24-I 23 Elevation, peak attenuation above temporary pool (d applicable) (fmsl) 24 Elevation, temporary pool (top of the temporary inundation zone) (fmsl) 25 Elevation, permanent pool (top of the shallow water zone) (fmsl) 26 Elevation, bottom of shallow water zone (fmsl) Elevation, bottom of forebay deep pool at deepest point (at forebay entrance) 27 (fmsl) 28 Elevation, bottom of forebay deep pool at shallowest point (at forebay exit) (fn 29 Elevation, bottom of non-forebay deep pool at deepest point (fmsl) Planting Zones 30 Area, total surface area of the SW wetland at temporary pool elev. (sq ft) 31 Area, temporary inundation zone at temporary pool elev. (sq ft) 32 Area, shallow water zone at temporary pool elev. (sq ft) 33 Area, forebay at temporary pool elev. (sq ft) 34 Area, non-forebav deep pool at temporary pool elev .(sq ft) 35 Percent area provided, temporary inundation zone {should be 30-45%) 36 Percent area provided, shallow water zone (should be 35 45%) 37 Percent area vided deep MI (fore should be 10-15% 38 Percent area Drovided, de pool non-foreb ] should be 5-15 Depths and Outlet Yes No Yes Yes 118.00 117.50 115.50 116.00 116.00 4,792.64 2,111.42 1,709.68 535.14 11% L--- Yes No Yes Yes Yes 124.00 123.00 122.50 119.50 120.00 120.00 4,673.03 4,716.50 1.174.95 39 1 Peak attenuation depth above temporary inundation zone (inches) &A, 6 in 40 Temporary inundation zone depth (temporary pool to pernanent Pow (inches} 15 in Sin 12 in 6 In 41 Shallow water zone depth (permanent pool to bottom of wetland) (inches) Depth, forebay at entrance (permanent pool to bottom of forebay entrance) 42 (inches) 25 in 37 in 43 DeiDth, foreba at exit (permanent of to bottom of fore exit inches) 24 in 24 in 44 RqYth. non-forebay deep pools (permanent of to deep pool bottom inches 24 in 36 in 45 If there is an orifice, diameter mches _ (_�, —-7t 46 here is a weir, weir he.[Zht (in-ches 47 fl there is a weir, weir len th (inches 48 Drawdown time for the temporary pool (days) 1 in 2 in Does the temporary inundation zone planting comply with SW Weiland MDC 2.89 3.2 Sall and Plants 49 Soil amendment depth (inches) 6 in 6 in 50 Has a soil amendment specification been provided? Yes Yes 51 Hasa landscaping plan that meets SW Welland MDC (12) been provided? Yes Yes 52 Number of plants per 200 square feet (#) in the shallow water zone: Does the temporary inundation zone planting comply with SW Weiland MDC 53 (14)? Yes Yes 54 Are the dam -structure and temporary fill slopes planted in non -clumping turfgrass? Yes Yes 55 Will cattails be planted in ::.e wetland? No 0 �_ DITIONAL INFORMATION Please use this space to provide any additional information about the stormwater 56 wetland(s): f Wetland 1 2:25 PM 6/18/2019 STORMWATER WETLAND#1 DESIGN DATA Drainage Area (DA) 110,944 sf Built Upon Area (BUA) 51,214 sf BUA/DA 0.46 Runoff Coefficient (Rv) 0.47 Storm Rainfall Depth (Rd) 1 in Water Quality Volume (WQv) 4,303.33 cf Temporary Pool Volume Provided 4,748.92 cf Surface Area 4,303 cf Temporary Pool Elevation Temp. Pool Depth, d (max. = 15in) 15 in 0.00 ft Required Wetland Surface Area (DV/d) 3,442.66 sf Driving Head (Ho/3) Wetland Surface Area Provided 4,792.64 sf 0.02 cfs Forebay (10% to 15%) 535.14 sf 11% Non-Forebay Deep Pools (5% - 15%) 436.40 sf 9% Shallow Water Zone (35% - 45%) 1,709.68 sf 36% Temporary Inundation Zone (30% - 45%) 2,111.42 sf 44% Total Wetland Zone Areas 4792.64 100% Water Quality Volume (WQv) 4,303 cf Temporary Pool Elevation 1.25 ft Normal Pool Elevation 0.00 ft Orifice size 1.00 in Driving Head (Ho/3) 0.43 ft Discharge 0.02 cfs Drawdown time 2.89 dad Topographic Zone Elevations Emergency Spillway 119.25 ft Temporary Pool 119.25 ft Permanent Pool 118.00 ft Shallow Water Bottom 117.50 ft Non-Forebay Deep Pool Bottom 116.00 ft Forebay Bottom 116.00 ft To o ra hic Zone Depths Temporary Inundation Zone 15.00 in Shallow Water Zone 6.00 in Non-Borebay Deep Pool 24.00 in Forebay 24.00 in Planting Plan Minimum Requirements Shallow Water Zone Herbaceous Plants 428 pcs. _Temporary Inundation Zone Options: 1. Herbaceous Plants 528 pcs. 2. Shrubs 85 pcs. 3. Tree 22 pcs. Grass -like Herbaceous Plants 845 pcs. STORMWATER WETLAND#2 DESIGN DATA Drainage Area (DA) 284,252 sf Built Upon Area (BUA) 113,716 sf BUA/DA 0.40 Runoff Coefficient (Rv) 0.41 Storm Rainfall Depth (Rd) 1 in Water Quality Volume (WQv) 9,713 cf Temporary Pool Volume Provided 11,041 cf Temp. Pool Depth, d (max. = 15in) 12 in Temporary Pool Elevation Required Wetland Surface Area (DV/d) 11,041.18 sf 123.00 ft Wetland Surface Area Provided 11,696.00 sf Driving Head (Ho/3) Forebay (10% to 15%) 1,174.95 sf 10% Non-Forebay Deep Pools (5% -15%) 1,131.53 sf 10% Shallow Water Zone (35% - 45%) 4,716.50 sf 40% Temporary Inundation Zone (30% - 45%) 4,673.03 sf 40% Total Wetland Zone Areas 11696.00 sf 100% Water Quality Volume (WQv) 9,713 cf Temporary Pool Elevation 124.00 ft Normal Pool Elevation 123.00 ft Orifice size 1.50 in Driving Head (Ho/3) 0.35 ft Discharge 0.04 cfs Drawdown time 3.20 dai Emergency Spillway 124 ft Temporary Pool 124 ft Permanent Pool 123 ft Shallow Water Bottom 122.5 ft Non-Forebay Deep Pool Bottom 120 ft Forebay Bottom 120 ft Topographic Zone Depths Temporary Inundation Zone 12 in Shallow Water Zone 6 in Nan-Borebay Deep Pool 36 in Forebay 36 in callow Water Zone Herbaceous Plants 1180 pcs. ;mporary Inundation Zone Options: 1. Herbaceous Plants 1169 pcs. 2. Shrubs 187 pcs. 3. Tree 47 pcs. Grass -like Herbaceous Plants 1870 pcs. Watershed Model Schema%lowHydrographsExtensionforAutodesk®Civil31382019byAutodesk,Inc.v2019.2 CJ Legend kLysL Origin 1 SCS Runoff Post to WL1 2 SCS Runoff Post to WL2 3 Reservoir Wetland 1 4 Reservoir Wetland 2 0 Project: 18-266 Hydrograph.gpw I Tuesday, 06118/2019 K Hydrograph Summary Re Pyt7raflow Hydrographs Extension for Autodesk® Civil 3D® 2019 by Autodesk, Inc. v2019.2 Hyd. Hydrograph Peak Time Time to Hyd. Inflow Maximum Total Hydrograph No. type flow I interval Peak (volume hyd(s) elevation strge used Description (origin) (cfs) (min) (min) (cult) (ft) (cult) 1 SCS Runoff 8.083 2 718 18,696 ------ ---- ---- Post to WL1 2 SCS Runoff 21.00 2 716 42,888 ------ --- --- Post to WI -2 3 Reservoir 1.343 2 732 18,473 1 120.02 9,000 Wetland 1 4 Reservoir 2.623 2 734 41,408 2 124.77 20,956 Wetland 2 18-266 Hydrograph.gpw I Return Period: 1 Year j Tuesday, 06 / 18 / 2019 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 31362019 by Autodesk, Inc. v2019.2 Hyd. No. 1 Post to WL1 Hydrograph type = SCS Runoff Peak discharge Storm frequency = 1 yrs Time to peak Time interval = 2 min Hyd. volume Drainage area = 2.547 ac Curve number Basin Slope = 0.0% Hydraulic length Tc method = User Time of conc. (Tc) Total precip. = 3.20 in Distribution Storm duration = 24 hrs Shape factor Post to WL1 Hyd. No. 1 -- 1 Year 3 Tuesday, 06 / 18 / 2019 = 8.083 cfs = 718 min = 18,696 cuft = 88.3 = Oft = 7.60 min = Type II = 484 . IX 4.00 KX1111 Q (cfs) 10.00 M I-101111 4.00 2.00 0.00 120 240 360 480 600 720 840 960 1080 1200 1320 1440 1560 Hyd No. 1 Time (min) 4 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® 2019 by Autodesk, Inc. v2019.2 Tuesday, 06 / 18 / 2019 Hyd. No. 2 Post to WL2 Hydrograph type = SCS Runoff Peak discharge = 21.00 cfs Storm frequency = 1 yrs Time to peak = 716 min Time interval = 2 min Hyd. volume = 42,888 cuft Drainage area = 6.526 ac Curve number = 87.2 Basin Slope = 0.0% Hydraulic length = 0 ft Tc method = User Time of conc. (Tc) = 5.00 min Total precip. = 3.20 in Distribution = Type II Storm duration = 24 hrs Shape factor = 484 Post to WL2 Hyd. No. 2 -- 1 Year 20.00 16.00 12.00 4.00 Q (cfs) 24.00 20.00 16.00 12.00 M 4.00 0.00 120 240 360 480 600 720 840 960 1080 1200 1320 Hyd No. 2 Time (min) Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D® 2019 by Autodesk, Inc. v2019.2 Hyd. No. 3 Wetland 1 Hydrograph type = Reservoir Peak discharge Storm frequency = 1 yrs Time to peak Time interval = 2 min Hyd. volume Inflow hyd. No. = 1 -Post to WL1 Max. Elevation Reservoir name = Wetland 1 Max. Storage Storage Indication method used. Q (cfs) 10.00 Elm M 4.00 2.00 0.00 0 480 Hyd No. 3 Wetland 1 Hyd. No. 3 -- 1 Year 5 Tuesday, 06 / 18 / 2019 = 1.343 cfs = 732 min = 18,473 cult = 120.02 ft = 9,000 cuft 960 1440 1920 2400 2880 3360 3840 4320 Hyd No. 1 Total storage used = 9,000 cuft Q (cfs) 10.00 M 4.00 2.00 o.00 4800 Time (min) Pond Report s Hydraflow Hydrographs Extension for Autodesk® Civil 3D® 2019 by Autodesk, Inc. v2019.2 Tuesday, 06 / 18 / 2019 Pond No. 1 - Wetland 1 Pond Data Contours -User-defined contour areas. Conic method used for volume calculation. Begining Elevation = 118.00 ft Stage / Storage Table Stage (ft) Elevation (ft) Contour area (sgft) Incr. Storage (cult) Total storage (cuft) 0.00 118.00 2,681 0 0 0.50 118.50 3,668 1,581 1,581 1.00 119.00 4,414 2,017 3,598 1.25 119.25 4,793 1,150 4,748 2.25 120.25 6,345 5,550 10,298 Culvert / Orifice Structures Weir Structures [A] [B] [C] [PrfRsr] [A] [B] [C] [D] Rise (in) = 6.00 1.00 0.00 0.00 Crest Len (ft) Inactive 100.00 0.00 0.00 Span (in) = 6.00 1.00 0.00 0.00 Crest EI. (ft) = 119.25 119.25 0.00 0.00 No. Barrels = 1 1 0 0 Weir Coeff. = 3.33 2.60 3.33 3.33 Invert EI. (ft) = 117.00 118.00 0.00 0.00 Weir Type = Rect Broad -- -- Length (ft) = 50.00 0.00 0.00 0.00 Multi -Stage = No Yes No No Slope (%) = 0.50 0.00 0.00 n/a N -Value = .010 .013 .013 n/a Orifice Coeff. = 0.60 0.60 0.60 0.60 Exfil.(in/hr) = 0.000 (by Contour) Multistage = n/a Yes No No TW Elev. (ft) = 0.00 Note: Culvert/Orifice outflows are analyzed under inlet (ic) and outlet (oc) control. Weir risers checked for orifice conditions (ic) and submergence (s). Stage / Storage / Discharge Table Stage Storage Elevation Civ A Clv B CIV C PrfRsr Wr A Wr B Wr C Wr D Exfil User Total ft cuft ft cfs cfs cfs cfs cfs cfs cfs cfs cfs cfs cfs 0.00 0 118.00 0.00 0.00 --- --- 0.00 0.00 --- --- -- -- 0.000 0.50 1,581 118.50 0.70 oc 0.02 is --- - 0.00 0.00 --- -- -- --- 0.018 1.00 3,598 119.00 0.70 oc 0.03 is --- -- 0.00 0.00 -- --- --- -- 0.026 1.25 4,748 119.25 0.70 oc 0.03 is --- -- 0.00 0.00 -- -- --- --- 0.029 2.25 10,298 120.25 1.40 oc 0.00 -- - 0.00 0.00 --- --- -- --- 1.399 Hydrograph Report Hydraflow Hydrographs Extension for Autodesk® Civil 3D@2019 by Autodesk, Inc. v2019.2 Hyd. No. 4 Wetland 2 Hydrograph type = Reservoir Peak discharge Storm frequency = 1 yrs Time to peak Time interval = 2 min Hyd. volume Inflow hyd. No. = 2 - Post to WI -2 Max. Elevation Reservoir name = Wetland 2 Max. Storage Storage Indication method used. Q (cfs) 24.00 20.00 16.00 12.00 N. X 4.00 Wetland 2 Hyd. No. 4 --1 Year 7 Tuesday, 06 / 18 / 2019 = 2.623 cfs = 734 min = 41,408 cult = 124.77 ft = 20,956 cuft M 480 Hyd No. 4 Q (cfs) 24.00 16.00 12.00 M 4.00 0.00 960 1440 1920 2400 2880 3360 3840 4320 4800 Hyd No. 2 Total storage used = 20,956 cult Time (min) Pond Report s Hydraflow Hydrographs Extension for Autodesk® Civil 3138 2019 by Autodesk, Inc. v2019.2 Tuesday, 06 / 18 / 2019 Pond No. 2 - Wetland 2 Pond Data Contours -User-defined contour areas. Conic method used for volume calculation. Begining Elevation = 123.00 ft Stage / Storage Table Stage (ft) Elevation (ft) Contour area (sqft) Incr. Storage (cuft) Total storage (cult) 0.00 123.00 10,397 0 0 0.25 123.25 10,716 2,639 2,639 1.00 124.00 11,697 8,401 11,040 2.00 125.00 14,093 12,875 23,915 Culvert / Orifice Structures Weir Structures [A] [B] [C] [PrfRsr] [A] [B] [C] [D] Rise (in) = 8.00 1.50 0.00 0.00 Crest Len (ft) Inactive 58.00 0.00 0.00 Span (in) = 8.00 1.50 0.00 0.00 Crest EI. (ft) = 0.00 124.00 0.00 0.00 No. Barrels = 1 1 0 0 Weir Coeff. = 2.60 2.60 3.33 3.33 Invert El. (ft) = 122.00 123.00 0.00 0.00 Weir Type = 1 Broad --- --- Length (ft) = 26.00 0.00 0.00 0.00 Multistage = Yes Yes No No Slope (%) = 0.50 0.00 0.00 n/a N -Value = .010 .013 .013 n/a Orifice Coeff. = 0.60 0.60 0.60 0.60 Exfil.(in/hr) = 0.000 (by Wet area) Multi -Stage = n/a Yes No No TW Elev. (ft) = 0.00 Note: Culvert/Orifioe outnows are analyzed under inlet (ic) and outlet (oc) control. Weir risers checked for orifice conditions (ic) and submergence (s). Stage / Storage / Discharge Table Stage Storage Elevation Clv A Clv B CIV C PrfRsr Wr A Wr B Wr C Wr D Exfil User Total ft cuft ft cfs cfs cfs cfs cfs cfs cfs cfs cfs cfs cfs 0.00 0 123.00 0.00 0.00 --- -- 0.00 0.00 --- -- - - -- 0.000 0.25 2,639 123.25 1.25 oc 0.03 is --- -- 0.00 0.00 --- --- --- --- 0.026 1.00 11,040 124.00 1.25 oc 0.06 is --- --- 0.00 0.00 --- -- --- --- 0.057 2.00 23,915 125.00 2.74 is 0.00 --- -- 0.00 0.00 -- -- -- -- 2.744 STORM DRAIN SYSTEM: CALCULATIONS ■ STORM STRUCTURE TABLE • PIPE TABLE • STORM DRAIN DESIGN COMPUTATIONS • HYDRAULIC GRADE LINE COMPUTATIONS • INLET REPORT/GUTTER SPREAD (2 -YR) • CULVERT DESIGN REPORTS • DISSIPATOR PAD rvuLC. i up ummatimb tur catch basins are at top of curb STORM STRUCTURE TABLE STRUCTURE DESCRIPTION TOP ELEV. INVERTIN INVERT OUT CB#21 CATCH BASIN 123.02 119.38 CB#20 CATCH BASIN 123.81 118.90 118.70 CB#19 CATCH BASIN 136.16 132.32 CB#18 CATCH BASIN 136.16 132.20 132.00 CB#17 CATCH BASIN 135.53 131.93 CB#16 CATCH BASIN 138.82 131.48 131.38 CB#15B CATCH BASIN 136.19 132.30 CB#15A CATCH BASIN 136.19 129.53 132.18 129.33 CB#14 CATCH BASIN 135.07 129.12 128.92 CB#13 CATCH BASIN 133.37 128.02 127.92 CB#12 CATCH BASIN 132.02 126.90 126.80 CB#11 B CATCH BASIN 131.33 126.23 125.90 CB#11A CATCH BASIN 130.63 126.74 CB#10 CATCH BASIN 130.63 126.62 125.52 CB#9B CATCH BASIN 129.83 125.20 125.06 CB#9A CATCH BASIN 129.20 124.75 124.65 CB#8 CATCH BASIN 128.78 124.11 124.01 CB7C CATCH BASIN 129.40 125.50 CB#713 CATCH BASIN 129.40 125.38 125.18 CB#7A CATCH BASIN 128.38 124.40 123.34 CB#6 CB#5 CATCH BASIN CATCH BASIN 128.38 127.37 123.22 123.12 123.48 CB#4 CATCH BASIN 127.16 123.66 CB#3 CATCH BASIN 127.52 123.34 123.44 123.00 CB#2 CATCH BASIN 125.68 121.70 CB#1 CATCH BASIN 125.68 121.56 120.00 rvuLC. i up ummatimb tur catch basins are at top of curb PIPE TABLE UPTSREAM DOWNSTREAM STRUCTURE STRUCTURE PIPE SIZE LENGTH SLOPE MATERIAL UPPER LOWER INVERT INVERT C13#21 C13#20 W 15 95 0.0050 RCP III 119.38 118.90 C13#20 OUT V 15 140 0.0050 RCP III 118.70 118.00 CB#19 C13#18 U 15 24.5 0.0050 RCP III 132.32 132.20 C13#18 C13#14 T 15 80 0.0100 RCP III 132.00 131.20 C13#17 CB#16 S 15 90 0.0050 RCP III 131.93 131.48 CB#16 C13#15A R 15 370 0.0050 RCP III 131.38 129.53 C13#156 C13#15A Q2 15 24.5 0.0050 RCP III 132.30 132.18 C13#15A C13#14 Q1 18 41 0.0050 RCP III 129.33 129.12 C13#14 C13#13 P 18 113 0.0080 RCP III 128.92 128.02 C13#13 CB#12 O 18 102 0.0100 RCP III 127.92 126.90 CB#12 CB#11 B N2 18 56.7 0.0100 RCP III 126.80 126.23 C13#11B CB#10 N1 24 56 0.0050 RCP III 125.90 125.62 CB#11A CB#10 M 15 24.5 0.0050 RCP III 126.74 126.62 CB#10 C13#913 L2 24 64 0.0050 RCP IV 125.52 125.20 CB#96 CB#9A L1 24 63 0.0050 RCP IV 125.06 124.75 C13#9A CB#8 K2 24 90 0.0060 RCP IV 124.65 124.11 C13#8 CB#7A K1 24 780.0060 RCP III 124.01 123.54 C137C C13#7B J2 15 24.5 0.0050 RCP III 125.50 125.38 CB#713 C13#7A J1 15 390.0200 RCP III 125.18 124.40 C13#7A C13#6 12 30 24.5 0.0050 RCP III 123.34 123.22 C13#6 OUT 11 30 24 0.0050 RCP III 123.12 123.00 C13#5 C13#3 H 15 27 0.0050 RCP IV 123.48 123.34 C13#4 CB#3 G 15 43 0.0050 RCP 111 123.66 123.44 C13#3 OUT E 15 48.4 0.0050 RCP III 123.24 123.00 C13#2 CB#1 C 15 28 0.0050 RCP III 121.70 121.56 CB#1 OUT B 15 50 0.0200 RCP III 120.00 119.00 1-48" CROSS -PIPES AA* 48 44 0.0150 RCP III 119.36 118.70 2-36" CROSS -PIPES AA 2-36 44 0.0150 RCP III 120.36 119.70 3-30" CROSS -PIPE FFF 3-30 60 0.0100 RCP III 122.98 122.38 1-48" CROSS -PIPES TR* 3-30 0 0.0050 RCP 111 124.27 124.00 2-36" CROSS -PIPES TR 3-30 0 0.0050 RCP III 125.27 1 125.00 Note: Pipe runs "AA" 1-48" and 'TR" 1-48" buried 1' into the ground. Storm Drain Design Computations Project Name Olde Mill Stream Phase 1 Designed by RGFChecked by Location S. Halifax Road {SR 15441 QA /QC Verification Hydraulic Grade Line Computations Designed by RGF Project Name Olde Mill Stream - Phase 1 Checked by Location S. Halifax Road (SR 1544) QA /QC Verification Catch Basin, Drop Outlet W.S. pipe Discharge Pipe Length Head Losses (feet) Inlet W.S. RIM Inlet or Junction No. Elevation diameter Remarks Elevation Elevation CB#21 119.396 15 2.389 1 95.0 0.130 0.054 0.075 0.082 0.340 119.737 122.35 CB#20 118.890 15 3.355 140.0 0.378 0.054 0.075 0.000 0.506 119.396 123.14 CB#19 131.305 15 _0.398 24.5 0.001 0.054 0.075 0.150 0.280 131.585 135.49 CB#18 131.029 15 0.980 80.0 0.018 0.107 0.150 0.000 0.276 131.305 135.49 CB#17 132.334 15 2.212 90.0 0.106 0.054 0.075 0.000 0.234 132.568 134.86 CB#16 131.476 15 2.704 370.0 .648 0.054 0.075 0.082 0.858 132.334 138.15 _CB#15B 131.476 15 2.629 24.5 0.041 0.054 0.075 0.082 0.251 131.727 135.52 CB#15A 1 131.029 18 6.439 41.0 0.154 0.068 0.096 0.129 0.447 131.476 135.52 CB#14 130.082 18 7.906 113.0 0.640 0.109 0.153 0.044 0.947 131.029 134.40 CB#13 129.104 18 8.383 102.0 0.650 0.137 0.192 0.000 0.978 130.082 132.70 CB#12 128.325 18 9.365 56.7 _0.451 0.137 0.192 0.00_0 0.779 129.104 131.35 CB#1113 127.964 24 10.487 56.0 0.120 0.100 0.141 0.000 0.361 128.325 130.66 CB#11A 127.964 15 0.910 24.5 0.005 0._054 0.075 0.150 0.284 128.248 129.96 CB#10 127.541 24 12.082 64.0 0.183 0.100 0.141 0.000 0.423 127.964 129.96 CB#913 127.052 24 12.983 63.0 _0.208 0.100 0.141 0.040 0.489 127.541 129.16 CB#9A 425 24 13.872 90.0 0.338 0.120 0.169 0.000 0.628 127.052 128.53 C13#8 125.442 24 15.300 78.0 0.357 0.120 0.169 0.337 0.983 126.425 128.11 CB7C 126.394 15 2.576 24.5 0.039 0.054 0.075 0.082 0.249 126.643 128.73_L CB#713 125.442 15 3.452 39.0 0.111 0.215 0.300 0.326 0.952 126.394 128.73 CB#7A 125.069 30 18.215 24.5 0.048 0.135 0.189 0.000 0.373 125.442 127.71 CB#6 _ 124.695 30 18.691 24.0 0.050 0.135 0.189 0.000 0.374 125.069 127.71 CB#5 123.727 15 0.520_ 27.0 0.002 0.054 0.075 0.060 0.191 123.917 126.70 CB#4 123.727 15 0.432 43.0 0.002 0.054 0.075 0.131 0.262 123.988 126,49 CB#3 123.584 15 1.091 48.4 0.014 0.054 0.075 0.000 0.143 123.727 126.85 CB#2 120.653 15 3.994 28.0 0.107 0.054 0.075 0.060 0.296 120.949 125.01 CB#1 119.811 15 5.231 50.0 0.328 0.215 0.300 0.000 0.843 120.653 125.01 _BEND LOSS COEFFICENTS De pees K Degrees K Degrees K 0 0.00 30 0.28 70 0.61 15 0.10 40 0.38 80 0.66 20 0.16 50 0.47 90 0.70 25 0.22 60 0.55 Inlet Report Line Inlet ID Q = r(acfrry) No CIA(cfs) 1 CB#1 2 CB#2 3 CB#6 4 CB#7A 5 CB#8 6 CB#9A 7 CB#9B 8 CB#10 9 CB#11B 10 CB#12 11 CB#13 12 CB#14 13 CB#18 14 CB#19 15 CB#15A 16 CB#15B 17 CB#16 18 CB#17 19 CB#11A 20 CB#7B 21 CB#7C 22 CB#20 Q Junc Curb Inlet Byp Type Ht L (cfs) 1.09 0.00 1.09 10.00 Comb 2.32 0.00 2.32 0.00 Comb 0.57 0.09 0.55 0.10 Comb 0.16 0.09 0.24 0.01 Comb 1.30 0.80 2.11 0.00 Comb 0.90 0.17 0.83 0.25 Comb 0.76 0.19 0.78 0.17 Comb 0.76 0.23 0.80 0.19 Comb 0.90 0.21 0.87 0.23 Comb 0.87 0.18 0.83 0.21 Comb 0.60 0.36 0.79 0.18 Comb 0.67 0.75 1.07 0.36 Comb 0.50 0.00 0.45 0.05 Comb 0.31 0.00 0.30 0.01 Comb 1.50 0.62 1.42 0.70 Comb 1.97 0.00 1.35 0.62 Comb 0.41 0.00 0.40 0.01 Comb 1.70 0.01 1.72 0.00 Comb 0.67 10.01 0.60 0.09 Comb 0.78 0.00 0.68 0.09 Comb 1.92 0.00 1.36 0.56 Comb 0.78 0.00 0.65 0.13 Comb 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 Grate Inlet - Area LW So (sgft) (ft) (ft) (ft/ft) 3.00 3.00 3.00 3.00 0.00 3.00 0.00 3.00 3.00 3.00 0.00 3.00 0.00 3.00 0.00 3.00 0.00 3.00 0.00 3.00 0.00 3.00 0.00 3.00 0.00 3.00 0.00 3.00 0.00 3.00 I 0.00 3.00 0.00 3.00 3.00 3.00 0.00 3.00 0.00 3.00 0.00 3.00 0.00 13.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 2.00 Gutter W1W-- (f; F(ft)ft) ag 2.00 0.042 0.020 ag 2.00 0.042 0.020 .004 2.00 0.042 0.020 .004 2.00 0.042 0.020 ag 2.00 0.042 0.020 .007 2.00 0.042 0.020 .013 2.00 0.042 0.020 .013 2.00 0.042 0.020 .013 2.00 0.042 0.020 .013 2.00 0.042 0.020 .014 2.00 0.042 0.020 .014 2.00 0.042 0.020 .007 2.00 0.042 0.020 .007 2.00 0.042 0.020 .013 2.00 10.042 0.020 .013 2.00 0.042 0.020 .020 2.00 0.042 0.020 ag 2.00 0.042 0.020 .013 2.00 0.042 0.020 .020 2.00 0.042 0.020 .020 2.00 0.042 0.020 .009 2.00 10.042 f 0.020 Page 1 Inlet Byp I -i-- , Line n Depth Spread DepM Spread Depr No (ft) I(ft) (ft) (ft) (in) 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.013 0.08 0.17 0.17 0.12 0.15 0.18 0.16 0.16 0.16 0.16 0.16 0.18 0.14 0.12 0.20 0.20 0.11 0.13 0.14 0.14 0.18 0.16 2.00 6.22 6.22 3.91 5.49 6.83 5.63 5.75 6.03 5.87 5.58 6.64 4.83 3.78 7.98 7.74 3.31 4.12 4.84 4.63 6.99 5.61 0.29 2.00 0.38 6.22 0.30 2.29 0.25 0.91 0.36 5.49 0.32 3.32 0.30 2.15 0.30 2.30 0.31 2.64 0.30 2.45 0.29 2.11 0.32 3.39 0.27 1.50 0.25 0.92 0.35 4.88 0.34 4.62 0.24 0.75 0.33 4.12 0.28 1.60 0.27 1.52 0.33 3.90 0.29 1.99 Project File: Storm Drainage Pipes 5-9-2019.stm Number of lines: 26 -TRun Date: 5/9/2019 NOTES: Inlet N -Values = 0.016; Intensity = 74.06 / (Inlet time + 13.30) A 0.88; Return period = 2 Yrs. ; * Indicates Known Q added. All curb inlets are throat. 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 0 1 2 9 2 5 8 Storm Sewers v2019.20 Inlet Report Gutter W Sx 1SW 2.5 0.22 0.20 Line Inlet ID Q No It/ft) CIA 2.5 (ft) (ft) l_ -- 0.013 (cfs) - 23 CB#21 1.81 24 CB#3 0.10 25 CB#5 0.29 26 CB#4 0.32 Q Q Q Junc Curb Inlet Grate Inlet carry capt Byp Type Ht L Area L W (cfs) (cfs) (cfs) (in) (ft) (sgft) (ft) (ft) 0.13 1.94 0.00 Comb 5.0 3.00 3.00 3.00 2.00 0.10 0.21 0.00 Comb 5.0 3.00 0.00 3.00 2.00 0.01 0.29 0.01 Comb 5.0 3.00 0.00 3.00 2.00 0.00 0.32 0.00 Comb 5.0 3.00 , 0.00 3.00 2.00 Number of lines: 26 Indicates Known Q added. All curb inlets are throat. Page 2 Inlet gyp Line Depth Spread Depr No (ft) (ft) (in) 0.35 Gutter W Sx 1SW 2.5 0.22 0.20 io n De Depth Sprea It/ft) (ft) On) (ft/ft) 2.00 0.042 0.020 2.5 (ft) (ft) l_ ag 0.013 0.14 4.91 .013 2.00 0.042 0.020 0.013 0.09 2.46 .013 2.00 0.042 0.020 0.013 1 0.11 3.11 .060 2.00 1 0.042 0.020 0.013 0.08 1.96 Number of lines: 26 Indicates Known Q added. All curb inlets are throat. Page 2 Inlet gyp Line Depth Spread Depr No (ft) (ft) (in) 0.35 4.91 2.5 0.22 0.20 2.5 0.23 0.59 2.5 0.21 , 0.00 2.5 Run Date: 5/9/2019 Storm Sewers v2019.20 ` Date 5/9/2019 Project Name% Olde Mill Stream Phase 1 Culvert Design Form Designed By Checked By RGF Shoulder Elev. = 125.68 Grade Point Elev. = 125.55 SUMMARY DATA Culvert Location SHADYBROOK DR .' (STA. 12+42+1_) T median ' ch elev.= Drainage Area = 86.19 PIPE AA I Design Frequency = 25 yrs Skew 90d (Perpendicular) HW HII Design Discharge = 85.5 Size/Type Pipe 2-36" RCP i Design H.W. Elev = 123.81 Type Entrance SQUARE EDGE TW Direction of Flow Lso_ inv. elev. 119.70Q100 Discharge = 103 Hydrologic Method RATIONAL Q100 H.W. Elev. = 124.46 H.W. Control Elev. 124.68 So = 0.015 I I Depth above road = 0 L= 44 Size (ft) No. ^n^ Type Freq. Total Q Nat. Allow. T.W. INLET CONTROL OUTLET CONTROL H.W. Vo D B Pipe (yrs) (cfs) H.W. H.W. Elev. HW/D H.W. Ke do do+D/2 ho H Lso H.W. Elev. (fps) Comments 3 3 2 0.013 RCP 25 85.5 123.81 124.68 1.15 3 d5 .--i ,.... .. . . . AND RECOMMENDATIONS: Page 1 Culvert Report Hydraflow Express Extension for Autodesk® AutoCAD® Civil 3138 by Autodesk, Inc. Thursday, May 9 2019 PIPE -AA- 25 -YR STORM (2-36 IN. RCP) Invert Elev Dn (ft) = 119.70 Calculations Pipe Length (ft) = 44.00 Qmin (cfs) = 85.50 Slope (%) = 1.50 Qmax (cfs) = 85.50 Invert Elev Up (ft) = 120.36 Tailwater Elev (ft) = (dc+D)/2 Rise (in) = 36.0 Shape = Circular Highlighted Span (in) = 36.0 Qtotal (cfs) = 85.50 No. Barrels = 2 Qpipe (cfs) = 85.50 n -Value = 0.013 Qovertop (cfs) = 0.00 Culvert Type = Circular Concrete Veloc Dn (ft/s) = 6.64 Culvert Entrance = Square edge w/headwall (C) Veloc Up (ft/s) = 7.97 Coeff. K,M,c,Y,k = 0.0098, 2, 0.0398, 0.67, 0.5 HGL Dn (ft) = 122.26 HGL Up (ft) = 122.49 Embankment Hw Elev (ft) = 123.81 Top Elevation (ft) = 125.68 Hw/D (ft) = 1.15 Top Width (ft) = 30.00 Flow Regime = Inlet Control Crest Width (ft) = 150.00 El. (a) 126.00 125.00 124.00 123.00 122.Oo 121.00 120.60 119.00 118.0.9 fNPE-AA- 25 YR STORM (2-36 IN. RCP) Circler Calvert .ti0_ Embank Reach 111) E64 4E4 314 2.64 1.64 0.61 435 _1.36 _.36 Culvert Report Hydraflow Express Extension for Autodesk® AutoCAD® Civil 3D® by Autodesk, Inc. Thursday, May 9 2019 PIPE -AA -100 -YR STORM (2-36 IN. RCP) Invert Elev Dn (ft) = 119.70 Calculations Pipe Length (ft) = 44.00 Qmin (cfs) = 103.00 Slope (%) = 1.50 Qmax (cfs) = 103.00 Invert Elev Up (ft) = 120.36 Tailwater Elev (ft) = (dc+D)/2 Rise (in) = 36.0 Shape = Circular Highlighted Span (in) = 36.0 Qtotal (cfs) = 103.00 No. Barrels = 2 Qpipe (cfs) = 103.00 n -Value = 0.013 Qovertop (cfs) = 0.00 Culvert Type = Circular Concrete Veloc Dn (ft/s) = 7.76 Culvert Entrance = Square edge w/headwall (C) Veloc Up (ft/s) = 8.73 Coeff. K,M,c,Y,k = 0.0098, 2, 0.0398, 0.67, 0.5 HGL Dn (ft) = 122.37 HGL Up (ft) = 122.69 Embankment Hw Elev (ft) = 124.46 Top Elevation (ft) = 125.68 Hw/D (ft) = 1.37 Top Width (ft) = 30.00 Flow Regime = Inlet Control Crest Width (ft) = 150.00 0- 525.90 121.00 123.09 122.0D 121.00 120.00 119 ' 00 118 -DD PIPE -AA -100 -YR STORM 1236 IN. RCP) Hw Depth (D) 5-4 1.61 3.64 2.61 4.61 0.81 -0.38 -1.36 -2.38 ClrcelarctAvert H(3L Embank Reach (t) Date 5/9/2019 Project Name:. Olde Mill Stream Phase 1 Shoulder Elev. _ Culvert Location SHADYBROOKDR Culvert Design Form Grade Point Elev. = 125.55 (STA. 12+42+/-)T median ch elev.= PIPE AA 'Skew 90d (Perpendicular) HW Size/Type Pipe 149^ RCP Type Entrance SQUARE EDGE Direction of Flow Lso Hydrologic Method RATIONAL H.W. Control Elev 124.68 So = 0.015 Total D Size (ft) I No. I ^n" I Pipe (re �. T(cfs4 H W. I HI!W. Elev. I HW/D ON H.W. 11 Ke SUMMARY AND RECOMMENDATIONS: Page 1 Designed By RGF Checked By SUMMARY DATA T T— Drainage Area = 58.81 Design Frequency = 25 yrs HI Design Discharge = 52.5 + Design H.W. Elev = 123.81 TW inv elev. 119.70 Q100 Discharge = 66.3 Q100 H.W. Elev. = 124.46 I Depth above road = 0 OUTLET CONTROL do d.-D/2ho H Lso H.W. 1 Elev. (fps) I Comments Culvert Report Hydraflow Express Extension for Autodesk® AutoCAD® Civil 3D® by Autodesk, Inc. Thursday, May 9 2019 PIPE -AA- 25 -YR STORM (1-48 IN. RCP) Invert Elev Dn (ft) = 119.70 Calculations Pipe Length (ft) = 44.00 Qmin (cfs) = 52.50 Slope (%) = 1.50 Qmax (cfs) = 52.50 Invert Elev Up (ft) = 120.36 Tailwater Elev (ft) = (dc+D)/2 Rise (in) = 43.1 Shape = Circular Highlighted Span (in) = 43.1 Qtotal (cfs) = 52.50 No. Barrels = 1 Qpipe (cfs) = 52.50 n -Value = 0.013 Qovertop (cfs) = 0.00 Culvert Type = Circular Concrete Veloc Dn (ft/s) = 5.95 Culvert Entrance = Square edge w/headwall (C) Veloc Up (ft/s) = 7.87 Coeff. K,M,c,Y,k = 0.0098, 2, 0.0398, 0.67, 0.5 HGL Dn (ft) = 122.62 HGL Up (ft) = 122.61 Embankment Hw Elev (ft) = 123.81 Top Elevation (ft) = 125.68 Hw/D (ft) = 0.96 Top Width (ft) = 30.00 Flow Regime = Inlet Control Crest Width (ft) = 150.00 o« (ft) 126.00 125.00 124M "2Is7 122.00 121.00 120.00 119.00 118.00 PIPE -AA- 25 YR STORM BIAS IN. RCP) Hw Depth (0) 5.64 4.64 5.64 2.64 1.64 0.64 .0.36 -1.36 a.36 CirwtarCWvM HGL Emhenk Ree: h (R) Culvert Report Hydraflow Express Extension for Autodesk® AutoCAD® Civil 3D® by Autodesk, Inc. Thursday, May 9 2019 PIPE -AA -100 -YR STORM (1-48 IN. RCP) Invert Elev Dn (ft) = 119.70 Calculations Pipe Length (ft) = 44.00 Qmin (cfs) = 66.30 Slope (%) = 1.50 Qmax (cfs) = 66.30 Invert Elev Up (ft) = 120.36 Tailwater Elev (ft) = (dc+D)/2 Rise (in) = 43.1 Shape = Circular Highlighted Span (in) = 43.1 Qtotal (cfs) = 66.30 No. Barrels = 1 Qpipe (cfs) = 66.30 n -Value = 0.013 Qovertop (cfs) = 0.00 Culvert Type = Circular Concrete Veloc Dn (ft/s) = 7.20 Culvert Entrance = Square edge w/headwall (C) Veloc Up (ft/s) = 8.68 Coeff. K,M,c,Y,k = 0.0098, 2, 0.0398, 0.67, 0.5 HGL Dn (ft) = 122.76 HGL Up (ft) = 122.89 Embankment Hw Elev (ft) = 124.46 Top Elevation (ft) = 125.68 Hw/D (ft) = 1.14 Top Width (ft) = 30.00 Flow Regime = Inlet Control Crest Width (ft) = 150.00 Mev (R) 126.00 125.0E 124.00 123.00 122.00 121.00 120.00 119.00 Mao PIPE-AA-19C-YRSTORM f148 IN. RCP) CireWarC:r.4vert HGL Embank Reach (R) 1.64 0.64 -0.36 .1.36 -2.3' Culvert Design Form median So = 0.010 Grade Point Elev. = 126.71 aXch elev.= Designed By RGF Checked By SUMMARY DATA T tDesign Drainage Area = Date 5/9/2019 Project Name:. Olde Mill Stream Phase 1 25 yrs H Shoulder Elev. _ Culvert Location SHADYBROOK DR L (STA. 17+72+/-) T TW PIPE FFF _ inv. elev. Skew 20d (Right side forward) HW Size/Type Pipe 3-30^ RCP H.W. Elev. = Type Entrance PROJECTING Direction of Flow 0 Lso Hydrologic Method RATIONAL H.W. Control Elev. 125.72 Culvert Design Form median So = 0.010 Grade Point Elev. = 126.71 aXch elev.= Designed By RGF Checked By SUMMARY DATA T tDesign Drainage Area = 47.69 ac Frequency = 25 yrs H Design Discharge = 82 cfs L Design H.W. Elev = 125.72 TW _ inv. elev. 122.38 Q100 Discharge = 100.1 cfs jQ100 H.W. Elev. = 126.16 Depth above road = 0 Size (ft) Type. Freq. Total Q Nat. Allow. I T.W. I INLET CONTROL N OUTLET CONTROL D B Pipe (yrs) (cfs) H.W. H.W. Elev. I HW/D I H.W. I Ke = do I do+D// ho H SUMMARY AND RECOMMENDATIONS: Page 1 Lso I H.W. Elev. 11 (ps) Comments Culvert Report Hydraflow Express Extension for Autodesk® AutoCAD® Civil 3D® by Autodesk, Inc. PIPE-FFF- 25 -YR STORM (3-30 IN. RCP) Invert Elev Dn (ft) = 122.38 Pipe Length (ft) = 60.00 Slope (%) = 1.00 Invert Elev Up (ft) = 122.98 Rise (in) = 30.0 Shape = Circular Span (in) = 30.0 No. Barrels = 3 n -Value = 0.013 Culvert Type = Circular Concrete Culvert Entrance = Groove end projecting (C) Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 Embankment Top Elevation (ft) = 126.71 Top Width (ft) = 30.00 Crest Width (ft) = 100.00 Calculations Qmin (cfs) Qmax (cfs) Tailwater Elev (ft) Highlighted Qtotal (cfs) Qpipe (cfs) Qovertop (cfs) Veloc Dn (ft/s) Veloc Up (ft/s) HGL Dn (ft) HGL Up (ft) Hw Elev (ft) Hw/D (ft) Flow Regime Thursday, May 9 2019 = 82.00 = 82.00 = (dc+D)/2 = 82.00 = 82.00 = 0.00 = 6.11 = 7.31 = 124.52 = 124.76 = 125.72 = 1.10 = Inlet Control aw ip) PIPEFFF- 25 -YR STORM (330 IN. RCP) f1« Depth (0) 127.00 c +26.00 9.02 -- 'Mlel wnlr 126.00 ... ........, -. - I 2.02 124.0✓ 1.C2 123.00 ) 0.02 `22.00 .022 121.00 .1.96 0 6 10 1s 20 25 30 35 t: 45 5. _. 60 65 70 75 20 Ca War Calvert MGL Embank Rean (0) Culvert Report Hydraflow Express Extension for Autodesk® AutoCAD® Civil 3D® by Autodesk, Inc. PIPE-FFF-100-YR STORM (3-30 IN. RCP) Invert Elev Dn (ft) = 122.38 Pipe Length (ft) = 60.00 Slope (%) = 1.00 Invert Elev Up (ft) = 122.98 Rise (in) = 30.0 Shape = Circular Span (in) = 30.0 No. Barrels = 3 n -Value = 0.013 Culvert Type = Circular Concrete Culvert Entrance = Groove end projecting (C) Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 Embankment Top Elevation (ft) = 126.71 Top Width (ft) = 30.00 Crest Width (ft) = 100.00 :4.0= 123.00 122.DD 121.00 PIPE-FFF-100-YR STORM (3-30 IN. RCP' Calculations Qmin (cfs) Qmax (cfs) Tailwater Elev (ft) Highlighted Qtotal (cfs) Qpipe (cfs) Qovertop (cfs) Veloc Dn (ft/s) Veloc Up (ft/s) HGL Dn (ft) HGL Up (ft) Hw Elev (ft) Hw/D (ft) Flow Regime Thursday, May 9 2019 = 100.10 = 100.10 = (dc+D)/2 = 100.10 = 100.10 = 0.00 = 7.21 = 8.07 = 124.61 = 124.94 = 126.16 = 1.27 = Inlet Control -:x DK! - 4. 3.02 2.02 1.02 0.02 -0.3E -1.3E Read 1% C1'cW3rCW-t rv__ Sstw' Date 6/17/2019 .. - Project Name:. Olde Mill Stream Phase 1 Culvert Design Form Grade Point Elev. = 130.41 median ' ch elev.= So = 0.005 HL TW inv. elev. 1 1 Size (ft)No. n" Type Freq. Total Q Nat. Allow. T.W. INLET CONTROL OUTLET CONTROL " D B Pipe (yrs) (cfs) H.W. H.W. Elev. HW/D H.W. Ke do I do+D/2 I ho I H SUMMARY AND RECOMMENDATIONS: Page 1 Designed By RGF Shoulder Elev. _ Culvert Location TEMPORARYACCESS Drainage Area = 49.23 Design Frequency = T Design Discharge = PIPE TR Design H.W. Elev = Skew 90d (Perpendicular) HW Size/Type Pipe 1-48" RCP Depth above road = 0 Type Entrance PROJECTING Direction of Flow Lso Hydrologic Method RATIONAL 7— H.W. Control Elev. 128.5 Culvert Design Form Grade Point Elev. = 130.41 median ' ch elev.= So = 0.005 HL TW inv. elev. 1 1 Size (ft)No. n" Type Freq. Total Q Nat. Allow. T.W. INLET CONTROL OUTLET CONTROL " D B Pipe (yrs) (cfs) H.W. H.W. Elev. HW/D H.W. Ke do I do+D/2 I ho I H SUMMARY AND RECOMMENDATIONS: Page 1 Designed By RGF Checked By SUMMARY DATA Drainage Area = 49.23 Design Frequency = 25 yrs Design Discharge = 50.15 Design H.W. Elev = 128.5 Q100 Discharge = 62.5 Q100 H.W. Elev. = 129 Depth above road = 0 H.W. Vo Comments Lso H.W. Elev. (fps) 128.500 5.73 Pipe buried 1' into a " for area of Culvert Report Hydraflow Express Extension for Autodesk® AutoCAD® Civil 3D® by Autodesk, Inc. PIPE -TR- 25 -YR STORM (1-48 IN. RCP) Invert Elev Dn (ft) = 125.00 Pipe Length (ft) = 54.00 Slope (%) = 0.50 Invert Elev Up (ft) = 125.27 Rise (in) = 43.1 Shape = Circular Span (in) = 43.1 No. Barrels = 1 n -Value = 0.013 Culvert Type = Circular Concrete Culvert Entrance = Groove end projecting (C) Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 Embankment Top Elevation (ft) = 130.41 Top Width (ft) = 20.00 Crest Width (ft) = 100.00 EW (e) WIPE -TR -25 -YR STORM (148 IN. RCP) 131.00- 130.00 1 12 127 IN 12 124. Calculations Qmin (cfs) Qmax (cfs) Tailwater Elev (ft) Highlighted Qtotal (cfs) Qpipe (cfs) Qovertop (cfs) Veloc Dn (ft/s) Veloc Up (ft/s) HGL Dn (ft) HGL Up (ft) Hw Elev (ft) Hw/D (ft) Flow Regime Saturday, Jun 15 2019 = 50.15 = 50.20 = (dc+D)/2 = 50.15 = 50.15 = 0.00 = 5.73 = 7.73 = 127.89 = 127.46 = 128.50 = 0.90 = Inlet Control HW Depth (a) 5.73 4.73 3.73 ra 2.73 1.73 C.73 -021 127 75 Beech (it) PS.D3 1 laicont a.oD 00 .OD GOD W �+. � — � w » w 45 w x 50 55 70 Circular Culvert HGL Emhank �+. � — � w » w 45 w x 50 55 70 Circular Culvert HGL Emhank Culvert Report Hydraflow Express Extension for Autodesk® AutoCAD® Civil 3D® by Autodesk, Inc. Saturday, Jun 15 2019 PIPE -TR -100 -YR STORM (1-48 IN. RCP) Invert Elev Dn (ft) = 125.00 Calculations Pipe Length (ft) = 54.00 Qmin (cfs) = 62.50 Slope (%) = 0.50 Qmax (cfs) = 62.50 Invert Elev Up (ft) = 125.27 Tailwater Elev (ft) = (dc+D)/2 Rise (in) = 43.1 Shape = Circular Highlighted Span (in) = 43.1 Qtotal (cfs) = 62.50 No. Barrels = 1 Qpipe (cfs) = 62.50 n -Value = 0.013 Qovertop (cfs) = 0.00 Culvert Type = Circular Concrete Veloc Dn (ft/s) = 6.86 Culvert Entrance = Groove end projecting (C) Veloc Up (ft/s) = 8.46 Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 HGL Dn (ft) = 128.03 HGL Up (ft) = 127.73 Embankment Hw Elev (ft) = 129.00 Top Elevation (ft) = 130.41 Hw/D (ft) = 1.04 Top Width (ft) = 20.00 Flow Regime = Inlet Control Crest Width (ft) = 100.00 El. (a) 13t00 130.05 123.00 128.00 127.00 126.00 125.DD 124.00 PIPE -TR- ICC -YR STORM (1A QN RC:R) -z 0"-: .. 573 473 3.73 2.73 1.73 0.73 -027 1.27 Ream lrY C1rw1w GWvert HOL Embank SUMMARY AND RECOMMENDATIONS: Page 1 Culvert Design Form Date ,yr 6/17/2019 Designed By RGF Project Name:. Olde Mill Stream Phase 1 Checked By Shoulder Elev. = 130.01 Point Elev. = 130.41 SUMMARY DATA Culvert Location TEMPORARY ACCESS .Grade median ' ch elev.= —F Drainage Area = 81.91 PIPE TR Design Frequency = 25 yrs Skew sod (Perpendicular) HW HII Design Discharge = i 83.45 Size/Type Pipe 2-36^ RCP i Design H.W. Elev = 128.49 Type Entrance PROJECTING TW Direction of Flow Lso —inv. elev. 125.00 Q100 Discharge = 102.3 Hydrologic Method RATIONAL It J Q100 H.W. Elev. = 129 H.W. Control Elev. 128.49 So = 0.005 Depth above road = 0 L= 54 Size (ft) No. I.W. Type Freq. Total Q Nat. Allow. T.W. INLET CONTROL OUTLET CONTROL H.W. Vo D B Pipe (yrs) (c%) H.W. H.W. Elev. HWlD I H.W. Ke do do+D/2 ho H Lso H.W. Elev. (fps) Comments 3 1 3 2 0.013 RCP 25 83.45 128.49 129.01 SUMMARY AND RECOMMENDATIONS: Page 1 Culvert Report Hydraflow Express Extension for Autodesk® AutoCAD® Civil 3D® by Autodesk, Inc. PIPE -TR- 25 -YR STORM (2-36 IN. RCP) Invert Elev Dn (ft) = 125.00 Pipe Length (ft) = 54.00 Slope (%) = 0.50 Invert Elev Up (ft) = 125.27 Rise (in) = 36.0 Shape = Circular Span (in) = 36.0 No. Barrels = 2 n -Value = 0.013 Culvert Type = Circular Concrete Culvert Entrance = Groove end projecting (C) Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 Embankment Top Elevation (ft) = 130.41 Top Width (ft) = 20.00 Crest Width (ft) = 100.00 E er ,.;, V. 130.00 129.00 126.DC 127.00 126.OD 126.0[ 124.00 PIPE -TR -25 -YR STOW (2-36 IN. RCPT Calculations Qmin (cfs) Qmax (cfs) Tailwater Elev (ft) Highlighted Qtotal (cfs) Qpipe (cfs) Qovertop (cfs) Veloc Dn (ft/s) Veloc Up (ft/s) HGL Dn (ft) HGL Up (ft) Hw Elev (ft) Hw/D (ft) Flow Regime Monday, Jun 17 2019 = 83.45 = 83.45 = (dc+D)/2 = 83.45 = 83.45 = 0.00 = 6.51 = 7.89 = 127.55 = 127.37 = 128.49 = 1.07 = Inlet Control "WO -Pe. (6) 573 4.73 3.73 2.73 1.73 0.73 -C27 -1.27 Reach (6) Cimilar CUNett h6L E.b-k Culvert Report Hydraflow Express Extension for Autodesk® AutoCAD® Civil 3D® by Autodesk, Inc. Monday, Jun 17 2019 PIPE -TR -100 -YR STORM (2-36 IN. RCP) Invert Elev Dn (ft) = 125.00 Calculations Pipe Length (ft) = 54.00 Qmin (cfs) = 102.30 Slope (%) = 0.50 Qmax (cfs) = 102.30 Invert Elev Up (ft) = 125.27 Tailwater Elev (ft) = (dc+D)/2 Rise (in) = 36.0 Shape = Circular Highlighted Span (in) = 36.0 Qtotal (cfs) = 102.30 No. Barrels = 2 Qpipe (cfs) = 102.30 n -Value = 0.013 Qovertop (cfs) = 0.00 Culvert Type = Circular Concrete Veloc Dn (ft/s) = 7.71 Culvert Entrance = Groove end projecting (C) Veloc Up (fUs) = 8.70 Coeff. K,M,c,Y,k = 0.0045, 2, 0.0317, 0.69, 0.2 HGL Dn (ft) = 127.66 HGL Up (ft) = 127.59 Embankment Hw Elev (ft) = 129.00 Top Elevation (ft) = 130.41 Hw/D (ft) = 1.24 Top Width (ft) = 20.00 Flow Regime = Inlet Control Crest Width (ft) = 100.00 a" ,n) 131.00 MAD 129.00 128,00 127.00 128.00 12&DD 124.0: PIPE -TR -100 -YR STORM (2-36 IN. RCP) Hw Depth (8; 5.73 4.73 3.73 2.73 1.73 073 -027 -1-7 R -h ,e1 G-Wvr'.ne' H3L Embank DISSIPATOR PAD/OUTLET PROTECTION SCHEDULE (NYDOT METHOD) NUMBER APRON APRON STONE D50 PIPE Q(full) Qmax V (full) Vmax PIPE DIA. OF LENGTH WIDTH ** CLASS DEPTH STONE OUTLET CFS CFS FPS FPS INCHES ZONE La PIPES FEET FEET STONE INCHES SIZE V 4.57 4.93 3.72 4.25 15 1 4 1 5 3.75 A 18 211-61- 11 28.99 32.81 5.90 7.08 30 1 4 1 10 7.50 A 18 2"-6" F* 41.00 44.24 8.34 9.55 30 2 6 3 18.75 20.39 B 22 5"-12" E 4.57 4.93 3.72 4.25 15 1 4 1 5 3.75 A 18 2"-6" B 9.13 9.85 7.43 8.51 15 2 6 1 7.5 3.75 B 22 5"-12" AA* 131.97 142.39 13.01 14.89 43.1 3 8 3 35.92 21.55 1 24 5"-17 TR* 76.19 82.21 7.51 8.60 43.1 3 8 3 35.92 29.13 1 24 5"-17 La = LENGTH MULTIPLIER (x DIAMETER) ** WIDTH = 3 x PIPE DIAMETER * PIPE WITH HIGHER Q(10) VALUE TO DETERMINE MAX. REQUIRED APRON LENGTH FOR MULTIPLE PIPES WIDTH = 1.5 x DIAMETERS OF FARTHEST PIPES + DISTANCE BETWEEN PIPES (FOR MULTIPLE PIPES) BMP OPERATIONS AND MAINTENANCE MANUAL Permit Number: (to U provided by DWO Drainage Area Number: Stormwater Wetland Operation and Maintenance Agreement I will keep a maintenance record on this BMP. This maintenance record will be kept in a log in a known set location. Any deficient BMP elements noted in the inspection will be corrected, repaired or replaced immediately. These deficiencies can affect the integrity of structures, safety of the public, and the removal efficiency of the BMP. Important maintenance procedures: — Immediately following construction of the stormwater wetland, bi-weekly inspections will be conducted and wetland plants will be watered bi-weekly until vegetation becomes established (commonly six weeks). — No portion of the stormwater wetland will be fertilized after the first initial fertilization that is required to establish the wetland plants. — Stable groundcover will be maintained in the drainage area to reduce the sediment load to the wetland. — Once a year, a dam safety expert should inspect the embankment. After the stormwater wetland is established, I will inspect it monthly and within 24 hours after every storm event greater than 1.0 inches (or 1.5 inches if in a Coastal County). Records of operation and maintenance will be kept in a known set location and will be available upon request. Inspection activities shall be performed as follows. Any problems that are found shall be repaired immediately. BMP element. PotentialProblem: How I will remediate the blem: Entire BMP Trash/debris is present. Remove the trash/debris. Perimeter of wetland Areas of bare soil and/or erosive Regrade the soil if necessary to remove the gullies have formed. gully, and then plant a ground cover and I wafter until it is established. Provide lune and a one-time fertilizer application. Vegetation is too short or too long. Maintain vegetation at an appropriate Inlet device: pipe or The pipe is clogged (if applicable). height. Unclog the pipe. Dispose of the sediment swale offsite. _ The pipe is cracked or otherwise Replace the pipe. damaged (if applicable). Erosion is occurring in the Swale (if Regrade the swale if necessary to smooth applicable). it over and provide erosion control devices such as reinforced turf matting or riprap to avoid future problems with erosion. Form SW401-Wetland O&M-Rev.4 Page 1 of 3 Forebay Sediment has accumulated in the Forebay to a depth that inhibits the forebay from functioning well. Erosion has occurred. Weeds are present. Deep pool, shallow water Algal growth covers over 50% of the and shallow land areas deep pool and shallow water areas. Cattails, phragmites or other invasive plants cover 50% of the deep pool and shallow water areas. Shallow land remains flooded more than 5 dans after a storm event. Plants are dead, diseased or dying. Embankment L Micropool Outlet device Best professional practices show that pruning is needed to maintain optimal Plant health. Permit Number: (to be provided by DWQ) Search for the source of the sediment and remedy the problem if possible. Remove the sediment and dispose of it in a location where it will not cause impacts to streams or the BMP. Provide additional erosion protection such as reinforced turf matting or riprap if needed to prevent future erosion Remove the weeds, preferably by hand. If a pesticide is used, wipe it on the plants rather than spraying. Consult a professional to remove and control the algal growth. Remove invasives by physical removal or by wiping them with pesticide (do not spray) - consult a professional. Unclog the outlet device immediately. Determine the source of the problem: soils, hydrology, disease, etc. Remedy the problem and replace plants. Provide a one-time fertilizer application to establish the ground cover if necessary. Prune according to best professional practices. Sediment has accumulated and Search for the source of the sediment and reduced the depth to 75% of the remedy the problem if possible. Remove original design depth of the deep the sediment and dispose of it in a location pools, where it will not cause impacts to streams or the BMP. A tree has started to grow on the Consult a dam safety specialist to remove embankment the tree. An annual inspection by appropriate Make all needed repairs. professional shows that the embankment needs repair. Evidence of muskrat or beaver activity is present. Sediment has accumulated and reduced the depth to 75% of the original design depth. I Clogging has occurred. The outlet device is damaged Consult a professional to remove muskrats or beavers. _ Search for the source of the sediment and remedy the problem if possible. Remove the sediment and dispose of it in a location where it will not cause impacts to streams or the BMP. Clean out the outlet device. Dispose of the sediment off-site. or replace the outlet device. Receiving water Erosion or other signs of damage have Contact the NC Division of Water Quality , 1 occurred at the outlet. 401 Oversight Unit at 919-733-1786. Form SW401-Wetland O&M-Rev.4 Page 2 of 3 Permit Number: (to be provided by DW(—?) I acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party. Project name:Olde Mill Stream BMP drainage area number: Print name:Ralph Hodge Titl e: Memb er-Manag er Address:2101 F Miller Road Wilson NC, 27893 Date: o� — 3 Note: The legally responsible party should not be a homeowners association unless more than 50% of the lots have been sold and a resident of the subdivision has been named the president. a Notary Public for the State of County ofSo.-/ , do hereby certify that _personally appeared before me this 3 day of 0 and acknowledge the due execution of the forgoing stormwater wetland maintenance requirements. Witness my hand and official seal, Steven Lee oiiverio NOTARY PUBLIC Wilson County, NC My Commission Expires SEAL My commission expires/�Z-OA --3 01 Form SW401-Wetland O&M-Rev.4 Page 3 of 3 Olde Mill Stream State of North Carolina DOT, Esri, HERE, Garmin, INCREMENT P, NGA, NR Points NR Individual Listing NR Listing, Gone NRHD Center Point May 29, 2019 0 0.1 0.20.05 mi 0 0.2 0.40.1 km 1:10,000 North Carolina State Historic Preservation Office NCAAHABRAT CONSERVATION I HABITAT PROTECTION EFH View Tool [; Data Query Tool rf Acfrrate Location query Print This Report EFH Data Notice: Essential Fish Fabltat (EFH) is defined by textual descriptions contained In the fishery management plans developed by the regional Fishery Management Councils. in most cases mapping data can not fully represent the complexity of the habitats that make up EFH. This report should be used for general interest queries only and should not be interpreted as a definitive evaluation of EFH at this location. A location -specific evaluation of EFH for any official purposes must be performed by a regional expert. Please refer to the following links for the appropriate regional resources. Query Results Degrees, Minutes, seconds: Latitude = , Longitude = Decimal Degrees: Latitude = , Longitude = The query location Intersects with spatial data representing EFH and/or HAPCs for the following species/management units. HAPCo No Habitat Areas of Particular Concern (HAPC) were identified at the report location. EFH Areas Protected from Fishing No EFH Areas Protected from Fishing (EFHA) were identified at the report location. r Permit Number: (to be provided by DWQ) Drainage Area Number: Stormwater Wetland Operation and Maintenance Agreement I will keep a maintenance record on this BMP. This maintenance record will be kept in a log in a known set location. Any deficient BMP elements noted in the inspection will be corrected, repaired or replaced immediately. These deficiencies can affect the integrity of structures, safety of the public, and the removal efficiency of the BMP. Important maintenance procedures: — Immediately following construction of the stormwater wetland, bi-weekly inspections will be conducted and wetland plants will be watered bi-weekly until vegetation becomes established (commonly six weeks). — No portion of the stormwater wetland will be fertilized after the first initial fertilization that is required to establish the wetland plants. — Stable groundcover will be maintained in the drainage area to reduce the sediment load to the wetland. — Once a year, a dam safety expert should inspect the embankment. After the stormwater wetland is established, I will inspect it monthly and within 24 hours after every storm event greater than 1.0 inches (or 1.5 inches if in a Coastal County). Records of operation and maintenance will be kept in a known set location and will be available upon request. Inspection activities shall be performed as follows. Any problems that are found shall be repaired immediately. BMP element: Potential problem: How I will remediate theproblem: Entire BMP Trash/ debris is present. Remove the trash/ debris. Perimeter of wetland Areas of bare soil and/or erosive Regrade the soil if necessary to remove the gullies have formed. gully, and then plant a ground cover and water until it is established. Provide lime and a one-time fertilizer application. Vegetation is too short or too long. Maintain vegetation at an appropriate height. Inlet device: pipe or The pipe is clogged (if applicable). Unclog the pipe. Dispose of the sediment swale offsite. The pipe is cracked or otherwise Replace the pipe. damaged if applicable). Erosion is occurring in the swale (if Regrade the swale if necessary to smooth applicable). it over and provide erosion control devices such as reinforced turf matting or riprap to avoid future problems with erosion. Form SW401-Wetland O&M-Rev.4 Page 1 of 3 Permit Number: (to be provided by DWQ) BMP element: Potentialproblem: How I will remediate the oblem: Forebay Sediment has accumulated in the Search for the source of the sediment and forebay to a depth that inhibits the remedy the problem if possible. Remove forebay from functioning well. the sediment and dispose of it in a location where it will not cause impacts to streams or the BMP. Erosion has occurred. Provide additional erosion protection such as reinforced turf matting or riprap if needed to prevent future erosion problems. Weeds are present. Remove the weeds, preferably by hand. If a pesticide is used, wipe it on the plants rather than s ra in . Deep pool, shallow water Algal growth covers over 50% of the Consult a professional to remove and and shallow land areas deep pool and shallow water areas. control the algal growth. Cattails, phragmites or other invasive Remove invasives by physical removal or plants cover 50% of the deep pool and by wiping them with pesticide (do not shallow water areas. spray) - consult a professional. Shallow land remains flooded more Unclog the outlet device immediately. than 5 days after a storm event. Plants are dead, diseased or dying. Determine the source of the problem: soils, hydrology, disease, etc. Remedy the problem and replace plants. Provide a one-time fertilizer application to establish the ground cover if necessary. Best professional practices show that Prune according to best professional pruning is needed to maintain optimal practices. lant health. Sediment has accumulated and Search for the source of the sediment and reduced the depth to 75% of the remedy the problem if possible. Remove original design depth of the deep the sediment and dispose of it in a location pook where it will not cause impacts to streams or the BMP. Embankment A tree has started to grow on the Consult a dam safety specialist to remove embankment. the tree. An annual inspection by appropriate Make all needed repairs. professional shows that the embankment needs repair. Evidence of muskrat or beaver activity Consult a professional to remove muskrats is present. or beavers. Micropool Sediment has accumulated and Search for the source of the sediment and reduced the depth to 75% of the remedy the problem if possible. Remove original design depth. the sediment and dispose of it in a location where it will not cause impacts to streams or the BMP. Outlet device Clogging has occurred. Clean out the outlet device. Dispose of the sediment off-site. The outlet device is damaged Repair or replace the outlet device. Receiving water Erosion or other signs of damage have Contact the NC Division of Water Quality occurred at the outlet. 401 Oversight Unit at 919-733-1786. Form SW401-Wetland O&M-Rev.4 Page 2 of 3 Permit Number: (to be provided by DWQ) I acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to the system or responsible party. Project name: Olde Mill Stream BMP drainage area number: Print name:Ralph Hodge Title:Member-Mang er Address:2101 F Miller Road Wilson NC 27893 Phone:(252)237-3§63 , Signature: Date: G r l Note: The legally responsible party should not be a homeowners association unless more than 50% of the lots have been sold and a resident of the subdivision has been named the president. I, s 2� 14e— alel6elo , a Notary Public for the State of ldo4 *� d4CL4Z, 4 , County of _ LSv"-/ , do hereby certify that ,'!!I� personally appeared before me this ,3 day of /vim _ /.? , and acknowledge the due execution of the forgoing stormwater wetland maintenance requirements. Witness my hand and official seal, Steven Lee Oliverio NOTARY PUBLIC Wilson County, NC My Commission Expires SEAL My commission expires /Z-1-0,7, Form SW401-Wetland O&M-Rev.4 Page 3 of 3 Page 1 of 4 This cenifies that there are delinquent ad Worm real -state the Nash County, Tax Collector is charged with collecting, taxes, which that are a lien on: Pin Number. � O 1$3 � 1{oi 14l 6 This is not a certification that this Nash Coun383 $ -sl aos 8� matches this Deed description, Department in Number V _ Tax Collector, Deputy Tax CoIVllector, rax Clerk Date: �� 4 ���111�111111IIIII1lIII�II�I��IIIII�IIIII�I Doc ID: 004204640004 Tvoe: CRP Recorded: 06/04/2005 at 03:06:22 PM Fee Amt: $1,$23.00 Page 3 of 4 Excise Tax: $1.200.00 Nash Countv North Carollns Barbara W. Sasser Reaister of Deeds BK2 162 P077O"7 1 3 Tax Lot No. Parcel Identifier No, Verified by: Cou nty on the day of , by: Mail after recording to: No+ti+PAPO ! ShAnglPUC may 7MWXX 04, STE fol, RA&W16NAIaei7Go11 This instrument drawn by: CMN E. "*&AVEMAaAT Brief description for the Index: Z TRACTS I Nash County, NC, Parcel Nos. 3$30 183 1 167 1U & 383018310386U l NORTH CAROLINA GENERAL WARRANTY DEED h THIS DEED made this day of i (n u ST , 20-Cla, by and between GRANTOR: GRANTEE: The UNCG Excellence Foundation, Inc., a Hodge & Morris, LLC, a North Carolina non-profit corporation, North Carolina Limited Liability Company. as TRUSTEE. C/o Office of Business Affairs University of North Carolina at Greensboro PO Box 26170 1708 Trawick Road, Suite 209 Greensboro, NC 27402-6170 Raleigh, NC 27604 Enter in the appropriate block for eachi ' pasty: name, address, and, if appropriate, character of entity, e.g. corporation or partnership. BOOK410-CPiuf Book: 2162 Page: 770 Seq: 1 Page 2 of 4 1.0.0. The designation Grantor and Grantee as used herein shall include said parties, their heirs, successors, and assigns, and shall i clude singular, plural, masculine, feminine, or neuter as required by context. 2.0.0. W1TNE9SETH, that the Grantor, for good and valuable consideration from the Grantee, the receipt of which is hereby acknowledged, by these presents does hereby sell, transfer, grant, bargain, and convey in fee simple unto the Grantee all those certain lots or parcels of land situated in Oak Level Taw=iship, Nash County, North Carolina, and each more particularly described as follows: i Parcel No. 1: BEGINNING at a point in the 'center of the Halifax Road, also center of bridge across Maple Creek; thence up the center of Maple Creek, N. 12" 55'W. 217 feet, N. 35" 30'W. 270 feet, N. 55" W. 239 feet, N. 63° 40'W. 197 feet, N. 810 W. 183 feet, S. 820 45'W. 236 feet, S. 54" 50'W. 173 feet, N. 73" 40'W. 170 feet, N. 70" 25'W. 253 feet, N. 28" 45'W. 191 feet, N. 37" 10'W. 108 feet, N. 62' 15' W. 123 feet, N. 63° 15'W. 232 feet, N: 80" 40'W. 195 feet, N. 86- 40' W. 236 feet, S. 86° 30'W. 201 feet, to Mose Whitley's corner, marked by a stake on the north side of the Creek and by swe:etgum and, hornbeam pointers; thence along Mose Whitley's line N. 7" E. 705 feet to an iron stake, Mrs. Mollie Whitley's corner, pine pointers; thence along Mrs. Mollie Whitley's line S. 89' 25' E. 2796Ifeet to the center of the aforesaid Halifax Road, marked by a stake on the west side thereof, thence along the center of said Halifax Road, S. V 45"W. 327.5 feet, S. 6" W. 305 feet, S. 00" 30.' W. 457 feet, S, 6° 45'W. 160 feet, S. 17" 10'W. 568 feet, to the BEGINNING; containing 70.1 acres, according to "Map of Farm of J. M. Johnson' made by E. L. Hunley, C. E., on March 5, 1937. Parcel No. 2: Farm No_ 5 on plat of property as The Whitley Place as surveyed and plotte recorded in Book 208, Page 285, Nash Coun at a point in the western line of old Halifax R Chapman & F. W. Thorp Farm property; the north 12" 40' west 359 feet to a stake; thence 2650 feet to its southwest corner, thence sc thence south 050 50' west 136 feet to northwe line of tract No. 6 2782 feet to the BEGINNINi Whitley (now deceased) and wife, Mollie E. W by deed, dated December 22, 1913, and reco 148, by Geo. B. Chapman and wife, Bia T. C tract of land conveyed by Fred W. Thurston , Summerlin by deed dated June 30, 1954, Registry. 3.0.0. Parcel No. 1 hereinabove descr. from J. M. Johnson and wife recorded in Boc acquired by Grantor by deed dated January Nash County Registry; in addition, said prc Assessor's Parcel Number 383018311671U. by Grantor by deed dated July 30, 1975, ani Registry; in addition, said property is further BOOK21BAUE ormerly owned by Mrs. Robert Mayo, and known I by James A. Clark which said plat or map is y Registry, containing 24.94 acres, BEGINNING ad northeast corner of tract No. 6 of the Geo. B_ ce north 03" 05' east 49 feet to a stake; thence with the southern line of lot or tract #4 westerly ith 09" 00' west 270 feet to a lightwood stake; A corner lot No. 6; thence easterly with northern ; and BEING the same land conveyed to W. J. R. itley (who is now married to Fred W. Thurston), ded in Nash County Registry in Book 212, Page iapman, and F. W. Thorp. BEING the identical nd wife, Mollie E. Whitley Thurston to Clyde E. .corded in Book 598, Page 531, Nash County ;d was conveyed to Clyde E. Summerlin by deed 477, Page 403, Nash County Registry; and was 1976, and recorded in Book 978, Page 273, F is further identified by Nash County Tax !l No. 2 hereinabove described was acquired recorded in Book 971, Page 659, Nash County by Nash County Tax Assessor's Parcel Book: 2162 Page: 770 Seq:2 Page 3 of 4 Number 383018310386U. Parcels Nos. 1 & 2 were both acquired by Grantor by deed dated the day of August, 2005, and recorded in Book , Page , Nash County Registry, North Carolina. 4.0.0. TO HAVE AND TO HOLD said Premises with all privileges and appurtenances thereto belonging to the Grantee in fee simple. 5.0.0. And the Grantor covenants with the fee simple, has the right to convey the same clear of all encumbrances, and that Grantor claims of all persons whomsoever except for 6.0.0. Title to the property hereinabove de restrictive covenants, and rights of way of n and made a part of this conveyance, AND the 7.0.0. IN WITNESS WHEREOF the Gran corporate, has caused this instrument to be officers and its seal to be hereunto affixed' year first above written. [USE sz The UNCG Excellence Foundation, Inc., By: eL4 N , Phillip A. Richman, Treasurer ATTEST: r�c.a✓ Patricia':W _Stewart, Secretary �':! i. a •. %� 'r'�I$ \ `b� a n• �ee�e � �4�;';�.:.. bcox2 u"PAGE r antee, that Grantor is seised of the premises in fee simple, that title is marketable and free and 1 warrant and defend the title against the lawful exceptions hereinafter stated. 3 is subject to all easements, restrictions, which are incorporated herein by reference ing stated exceptions: NONE. has hereunto set his hand and seal, or if wed in its corporate name by its duly authorized authority of its Board of Directors, the day and EPS ORLY] (SEAL) (SEAL) (SEAL) (SEAL) Book: 2162 Page: 770 Seq: 3 Page 4 of 4 [USE BLACK ENK ONLY] SEAL - STAMP NORTH CAROLINA, County: I, a Notary Public of the County and State aforesaid, certify that . Grantor, personally appeared before me this day and aclmowledged the execution of the foregoing instrument. Witness my hand and official stamp or seal, this day of My Commission expires: Notary Public [QSE 13LACK INK ONLY] ••:y'A•N::'�' t�awrsryiFirf��� :�' A�+II; ' •,��, U NORTH CAROLINA, �� i up 0(w Coun Zz r R r�• ;�i� 1, a Notary Public of the County and State aforesaid , certify that $, • :' i ' 48* - Gly . `;r-c.JA4z:T i?4 44 -personally came before me this day and acknowledged that she/he is Secretary of THE :<<�. ,:. �'•:: ,.�. ~:� -5?; NCG EXCELLENCE FOUNDATION, INC., a North Carolina corporation, and that by �Y,: :•r 4'� �,�� _ .authority duly given and as the act of the corporation, the foregoing instrument was signed ''+g<<�`t_.t,'. ' in its time by its t �Et;454t Q E2-- , sealed with its corporate seal, and ±E�:t14tFi��°t ' attested by her/him as its Secretary. Witness my hand and official stamp or seal, this !, �? 4 + day of rAU is u 5 1 My Commission expires: 224-045 _ otsry Public The foregoing Certificate(s) of _ is/are certified to be correm This instrument and this certificate are duly registered at the date and time and in the �=dc 4==,, e�M REGISTER OF DEEDS FOR ZvjgA4 COUN7Y 83"• _ — Deputy/Assistant- Register of Deeds J ;:too.00 Aw. .2 3 , o0 f ?FkGE 773 Book: 2162 Page: 770 Seq:4