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HomeMy WebLinkAbout20120658 Ver 1_Year 3 Monitoring Report_20161220STREAM AND VEGETATION MONITORING YEAR 3 REPORT DUKE UNIVERSITY WATER RECLAMATION POND STREAM RESTORATION DURHAM, NORTH CAROLINA DECEMBER 20, 2016 PREPARED FOR: DUKE UNIVERSITY T. RYAN LAVENDER, PE CIVIL ENGINEER DUKE UTILITY & ENGINEERING SERVICES, FMD DUKE UNIVERSITY PREPARED BY: MCADAMS Raleigh/Durham 7, 2905 Meridian Parkway ff=� Durham, NC 27713 Charlotte ■ 11301 Carmel Commons Blvd ■ Suite 111 Charlotte, NC 28226 McAdamsCo.com Designing Fomorrow's Infrastructure & Communities FOR T. Ryan Lavinder, PE Civil Engineer Duke Utility & Engineering Services, FMD Duke University STREAM AND VEGETATION MONITORING YEAR 3 REPORT Duke University Water Reclamation Pond Stream Restoration Durham, NC Issued: December 20, 2016 by The John R. McAdams Company, Inc. Project No. DKU-14060 George Buchholz, REM, PWS Environmental Consultant/Project Manager Signature The John R. McAdams Company, Inc. Table of Contents 1.0 Introduction............................................................................................................................................. I 1.1 Project Location and Description..................................................................................... ...1 1.2 Project Goals and Objectives............................................................................................................ I 2.Q Channel Stability Assessment.................................................................................................................2 2.1 Cross Sections ........... —.....................................................................................................................3 2.2 Pebble Counts...................................................................................................................................3 2.3 Longitudinal Profile..........................................................................................................................3 2.4 Crest Stage Gauge............................................................................................................................3 2.5 Bank Pins..........................................................................................................................................4 2.6 Channel Stability Assessment Summary..........................................................................................4 3.0 Vegetation Condition and Comparison ............................. ........... 3.1 Vegetation Monitoring Plots.............................................................................................................4 3.2 Vegetation Monitoring Plot Photos and Data Sheets........................................................................4 4.0 Invasive Species Monitoring..................................................................................................................5 5.0 Photo Stations..........................................................................................................................................6 6.0 References............................................................................................................................................... 7 Appendix A: Site Maps Figure 1: Site Location Map Figures 2.1 and 2.2: Conservation Easement Maps Appendix B: Stream Data Appendix C.-Vegetation Assessment Data Table 1: Vegetation Plot Mitigation Success Summary Table 2: Stem Count Total and Planted Species by Vegetation Plot Table 3: Planted Species Comparison by Vegetation Plot Appendix D. Ve ctation Monitoring Plot Photos Appendix E: Vegetation Monitoring PIot Data Sheets Appendix F: Annual Invasive Species Monitoring Document Spring 2016 Treatment at Sandy Creek Campus Drive Fall 2016 Treatment at Sandy Creek Campus Drive Appendix G: Photo Stations 9 MCADAMS 1.0 Introduction L I Project Location and Description The Duke University Water Reclamation Pond Stream Restoration project (Stream Restoration project) is on the main campus of Duke University, in Durham, Durham County, North Carolina (Appendix A, Figure 1). More specifically, the Conservation Easement (CE) for the Stream Restoration project is 7.01 acres in size and starts just south of NC Highway 147, runs parallel to Campus Drive, crosses Campus Drive and ties back in to the receiving waters at Oregon Street (Appendix A, Figures 2.1 and 2.2). The Stream Restoration project is approximately 1.5 miles from the proposed stream impacts associated with the Duke University water reclamation pond. The Stream Restoration project is located within the Cape Fear River Basin USGS Hydrologic Unit 03030002 (USGS 1974), local watershed 14-digit basin 03030002060110, and the North Carolina Division of Water Resources (DWR) sub -basin 03-06-05. The unnamed tributary flows directly into Sandy Creek (DWR stream index number of 16-41-1- 11) approximately 2.5 miles downstream of the project terminus. The drainage area of the unnamed tributary is approximately 141 acres at the downstream end. Based on a detailed watershed analysis, approximately 27 percent (39 acres) of the watershed area is impervious. The Stream Restoration project is located within the Piedmont Physiographic Province of North Carolina. A review of the Ecoregions of North Carolina and South Carolina (Griffith et al., 2002) shows the geology of the Stream Restoration project is comprised of quaternary to tertiary red sandy loam to silty clay decomposition residuum, sandstone, conglomerate, mudstone, shale, coal, dikes, and sills within the Triassic Basin. There are currently no agricultural croplands or activities within the watershed; however, there was stream channelization and relocation associated with the sanitary sewer line installation adjacent to the unnamed tributary. 1.2 Project Goals and Objectives The purpose of this Stream and Vegetation Monitoring Year 3 report is to assess the Stream Restoration project in order to determine restoration success. The monitoring plan to evaluate the success of the Site is based the U.S. Army Corps of Engineers (USACE) Stream Mitigation Guidelines (April, 2003) and the North Carolina Ecosystem Enhancement Program (NCEEP) Monitoring Requirements and Performance Standards for Stream and/or Wetland Mitigation (November, 2011). Monitoring of the Site will occur annually for seven (7) full years. Construction of the Stream Restoration project occurred in the summer of 2013. During the month of November 2013, riparian buffer restoration activities began following construction of the restored active stream channel. Riparian buffer restoration activities included planting trees and staking vegetation plots within the CE. The goal of the stream restoration project is to modify the dimension, pattern, and profile of the channel so that a stable and self - maintaining channel is created by utilizing natural channel design techniques and procedures. The design was developed utilizing Rosgen-based natural channel design principles (Rosgen, 1996). Preventing future stream bank erosion will be accomplished by fulfilling the following general objectives: 1) Conversion of approximately 3,459 linear feet of the tributary from an eroding, degraded channel to a natural, stable system with restored aquatic habitat. !!JI MCADAMS 2) Reduction of sediment loading to a river system that flows into Jordan Lake - a recreational water body. 3) Establishment of a riparian corridor that has a restored floodplain, aquatic, and morphological functions which provide habitat connectivity to the area and will be protected in perpetuity. The following specific objectives will allow the restoration plan to succeed in obtaining the project's goal: 1) Design a channel with the appropriate cross -sectional dimension, pattern, and longitudinal profile utilizing the existing channel condition survey, and collected reference reach data as a guide. 2) Improve upon and create bedform and aquatic habitat diversity (riffles, runs, pools, and glides). 3) Create a nested floodplain (bankfull bench) that will be accessible at the proposed bankfull channel elevation along the entire reach. 4) Ensure channel and stream bank stabilization by integrating in -channel grade control structures, and native vegetation into the proposed restoration design while also creating a stable and functional aquatic and terrestrial habitat. 5) Establish a native forested riparian plant community within a minimum of 50 feet from the proposed top of the bankfull channel along with the removal of exotic vegetation during construction implementation and the elimination of current embankment maintenance practices. 2.0 Channel Stability Assessment Stream geometry will be considered successful if the geometry, profile, and sinuosity are stable or reach a dynamic equilibrium. It is expected that there will be minimal changes in the designed cross sections, profile, and/or substrate composition. Changes that may occur during the monitoring period will be evaluated to determine if they represent a movement toward a more unstable condition (e.g. down cutting, or bank erosion) or are minor changes that represent an increase in stability (e.g. settling, vegetative changes, coarsening of bed material, etc.). Deviation from the design ratios will not necessarily denote failure as it is possible to maintain stability and not stay within the design geometry. Channel stability will be reflected in the surveyed permanent cross -sections, longitudinal profile, evaluation of bank stability and cover, evaluation of in -stream structure performance and to a lesser degree pebble counts compared to the as -built and any previously collected monitoring data. The general trend should reflect a stable or slightly decreasing riffle cross - sectional area whereas pools may increase and yet be considered relatively stable. The longitudinal profile will typically adjust depending on the frequency of bankfull or greater storm events. Normally the constructed channel profile will adjust (especially in a sand dominated bed) but it will need to function without significant degradation (bed scour), aggradation (mid -channel bars), or bank erosion. The Bank Height Ratio (BHR) shall not exceed 1.2 and the Entrenchment Ratio shall be no less than 2.2. The stream shall remain stable over seven years, through two bankfull events, as indicated by visual surveys, cross -sections, and bank pins. If monitoring (including vegetation) demonstrates success by year five (5), a proposal can be issued by the Owner to terminate monitoring of the site. 2 lI MCADAMS 2.1 Cross Sections The stream geometry is considered to be successful if the cross-section geometry, profile, and sinuosity are stable or reach a dynamic equilibrium. It is expected there will be minimal changes in the designed cross sections, profile, and/or substrate composition. Changes that may occur during the monitoring period were evaluated to determine if they represent a movement toward a more unstable condition (e.g. down cutting, erosion, mid- channel bars, etc.) or are minor changes that represent an increase in stability (e.g. settling, vegetative changes, coarsening of bed material, etc.). Deviation from the design ratios will not necessarily denote failure, as it is possible to maintain stability and not stay within the design geometry. Morphological data will be collected and reported in years 1, 2, 3, 5, and 7. Morphological data used for this report was collected on November 7 and 8, 2016 and is shown in Appendix B. 2.2 Pebble Counts The composition of the streambed and banks is an important facet of stream character, influencing channel form and hydraulics, erosion rates, sediment supply, and other parameters. The most efficient basic technique in measuring the streambed and banks is the pebble count method. This requires measuring individuals along a cross section and tallying the particle size based on class or category. Pebble counts were conducted to determine bed particle size distribution at each riffle cross section (Cross Sections 1, 3, 6, and 9). Pebble Counts will be conducted and reported in years 1, 2, 3, 5, and 7. Pebble count data used for this report was collected on November 11 and December 13, 2016 and is shown in Appendix B. 2.3 Longitudinal Profile The longitudinal profile will be surveyed in years 1 and 7. The longitudinal profile was not surveyed as part of Monitoring Year 3 field assessment. 2.4 Crest Stage Gauge Indicators of overbank flow were observed within Stream Restoration project during the Monitoring Year 3 field assessment. A Crest Stage Gauge (CSG) was installed during Monitoring Year 1 field activities to document bankfull events. The CSG was installed at Station 15+57 near Vegetation Plot 5 (Appendix A, Figures 2.1 and 2.2), and a photograph of the CSG is provided in Appendix G. CSG measurements will be conducted and reported in all years of monitoring. On December 13, 2016, data was acquired from the CSG and it was determined that a bankfull event occurred during 2016 which read a depth of 2.6 feet. There was a 4.46-inch rainfall event on October 9, 2016 according to the NC-DH-6 Durham 1.2 NW Station of the Community Collaborative Rain, Hail & Snow Network. The NC-DH-6 Durham 1.2 NW Station recorded a total of 5.59 inches of rain for the 3-day period from October 7 to 9, 2016. Table 1, below, provides a list of bankfull events. Table 1. Verification of Bankfull Events Monitoring Year Collection Date Depth Rainfall Dept Date of Rainfall Photo MY2 10/30/2015 2.4 feet 2.46 inches 10/03/2015 Appendix G MY3 12/13/2016 2.6 feet 4.46 inches 10/09/2016 Appendix G 3 !jJ1 MCADAMS 2.5 Bank Pins Bank erosion rates were measured using bank pins that were installed into the stream banks during the As -Built. The bank pins were installed so that they can be measured over time in order to observe changes in the stream bank profile. Bank pin measurements can then be used to estimate rates of erosion and sediment loading. Bank pin measurements will be conducted and reported in years 1, 2, 3, 5, and 7. Bank pin data used for this report was collected on November 7 and 8, 2016 and is shown in Appendix B. 2.6 Channel Stability Assessment Summary Overall, the stream system appears stable and is not migrating toward lateral or vertical instability. Based on the As -Built comparison using morphological data, it appears that minor systemic aggradation has occurred within the reach. This condition does not appear to pose an imminent threat to the overall stability of the system. 3.0 Vegetation Condition and Comparison The primary focus of the vegetative monitoring will be solely on the tree stratum, although shrub and herbaceous species encountered may also be recorded. Vegetation planting success criteria will be based on the survival of a minimum density of 320 trees per acre (to include both planted and existing trees) after three (3) years of monitoring. After five (5) years of monitoring, the density shall be no less than 260 trees per acre (to include both planted and existing trees). After seven (7) years of monitoring, the density shall be no less than 210 trees per acre (to include both planted and existing trees). In addition, planted vegetation must average 10 feet in height in each plot at year seven (7). Vegetation plots will be sampled and reported in years 1, 2, 3, 5, and 7. If the height standard is met and the stem density is trending toward success after five (5) years of monitoring, monitoring of vegetation on the site may be terminated provided written approval is provided by the USACE and NCDWQ. 3.1 Vegetation Monitoring Plots All vegetation monitoring methodologies followed the most current templates and guidelines provided by DMS (EEP, 2010; EEP, 2011). Baseline vegetation monitoring was conducted in accordance with CVS-EEP Protocol for Recording Vegetation (CVS-EEP, V4.2). All six (6) vegetation monitoring plots installed by McAdams were located in Monitoring Year 3. Figures 2.1 and 2.2 (Appendix A) depict the location of the vegetation monitoring plots. Plant species, density, survival rates, and the cause of mortality, if identifiable, were recorded within each vegetation monitoring plot. Table 1 (Appendix C) provides a success summary for each vegetation monitoring plot. In Monitoring Year 3, the Stream Restoration project had six (6) vegetation monitoring plots encompassing 0.1483 acres, containing 66 planted stems, which yielded a density of 445 planted stems per acre. Monitoring Year 3 field activities were conducted on November 11 and December 13, 2016. The planted vegetation survival threshold was met for five (5) of the six (6) vegetation monitoring plots. Table 2 (Appendix C) provides a stem count total and planted stem total by each individual vegetation plot. Table 3 (Appendix C) provides a summary of only planted stem counts as compared to planted stem counts of the As Built. 3.2 Vegetation Monitoring Plot Photos and Data Sheets Vegetation monitoring plots were photographed and are located in Appendix D. Vegetation Monitoring Plot Data Sheets are provided in Appendix E. Each Vegetation Monitoring Plot Data Sheet provides measurements, location, and vigor of each planted species within a respective vegetation monitoring plot. 4 9 MCADAMS 4.0 Invasive Species MonitorinE Construction of the Stream Restoration project required disturbing land within the CE resulting in the creation of a highly disturbed early successional ecological system that contains young tree saplings and shrubs species in addition to naturally occurring early emergent vegetative species. Over time, tree saplings and shrubs species mature and proliferate while naturally occurring early emergent vegetative species dwindle. The new, highly disturbed early successional ecological system created during the construction of Stream Restoration project resulted in prime habitat for many invasive species that were known to occur within the CE prior to construction activities, in addition to the surrounding areas (Invasive Species Management Plan, May, 2014). It is understood that naturally occurring early emergent vegetative species will thrive within the CE during the early years of the Stream Restoration project. The early emergent vegetative species can be aggressive and have characteristics of an invasive species; however, they are generally accepted as part of a naturally occurring ecological system. Therefore, a definition of what is an invasive species is warranted. Invasive Species are defined as non-native alien species that have the potential to negatively affect the environment. These species occupy habitat within the riparian buffer and outcompete and suppress native vegetation, thereby inhibiting both the establishment and natural succession of the native riparian community. Considerable effort was made to remove the vast majority of the observed invasive species populations during the construction phase of the Stream Restoration project by both mechanical and chemical means. Although considerable effort was made to remove the invasive plants species from within the CE, remnant populations of these invasive species were recorded in a post construction site visit conducted in May, 2014. Future treatment is likely to be required for the observed invasive species, but additional invasive species may expand the list. As part of the Monitoring Year 3 stream and vegetation monitoring efforts, invasive species monitoring and management was also conducted (Appendix F, Spring 2016 Treatment at Sandy Creek Campus Drive; June 16, 2016, and Fall 2016 Treatment at Sandy Creek Campus Drive report; October 17, 2016). Invasive species monitoring efforts included recording the approximate location and extent of infestation as noted in figures attached to each Spring and Fall 2016 Treatment reports (Appendix F). A list of invasive species found during Monitoring Year 3 activities is provided below. It was determined that the northern and central sections of the project contained the largest amount of invasive plants, while the southern section was relatively clean of invasive plants. All species were treated with herbicide as indicated within the Spring and Fall 2016 Treatment reports (Appendix F). Continued monitoring and prescribed treatments are recommended by a registered landscape contractor or a certified plant professional is provided. List of Monitoring Year 3 Invasive Species — Spring & Fall Treatment Ampelopsis brevipedunculata (porcelain berry) Lonicera spp. (bush honeysuckles) Euonymous fortune (winter creeper) Hedera helix (English ivy) Ligustrum sinese (Chinese privet) Ligustrum japonicum (Japanese privet) Rosa multiflora (multiflora rose) Pueraria montana (kudzu) 'J MCADAMS Wisteria sinensis (Chinese wisteria) 5.0 Photo Stations Photo documentation is essential to monitoring the success the Bank Parcel. Photos provide a visual assessment of the vegetation conditions. Photo documentation will be provided and reported in all years of monitoring. All nine (9) photo stations installed by McAdams were located in Monitoring Year 3. Figures 2.1 and 2.2 (Appendix A) depict the locations of the photo stations. Photographs were taken at high resolution using an Olympus FE-115 5.0 megapixel digital camera. Photographs for the photo stations are located in Appendix G. ".� MCADA Ms 6.0 References Lee Michael T., Peet Robert K., Roberts Steven D., and Wentworth Thomas R., 2008. CVS-EEP Protocol for Recording Vegetation Level. Version 4.2. McAdams and Landscape Sanctuaries, May, 2014. Invasive Species Management Plan, Duke University Water Reclamation Pond Stream Restoration. Morris, George; River Works; Spring 2015 Treatment at Sandy Creek Campus Drive; May 12, 2015. Morris, George; River Works; Fall 2015 Treatment at Sandy Creek Campus Drive; September 3, 2015. North Carolina Ecosystem Enhancement Program (NCEEP) 2004. Guidelines for Riparian Buffer Restoration. Available at internet site: http://www.nceep.net/news/reports/buffers.pdf North Carolina Ecosystem Enhancement Program (NCEEP) November 7, 2011. Monitoring Requirements and Performance Standards for Stream and/or Wetland Mitigation. Schafale MP and AS Weakley. 1990. Classification of the Natural Communities of North Carolina: Third Approximation. North Carolina Natural Heritage Program, Division of Parks and Recreation, Department of Environment and Natural Resources. Raleigh, North Carolina. The John R. McAdams Company, Inc. October 2012. Stream Restoration Plan for the Duke University Water Reclamation Pond. US Army Corps of Engineers April, 2013. Stream Mitigation Guidelines. 91MCADAMS APPENDIX A Site Maps ® PBD16CT ND. DKU-14060 DUKE UNIVERSITY WATER M THE JOHNLR.McADAMSFILENAME:DKU14060X,DWG RECLAMATION POND COMPNC.SCALE:1�=1,oDD.STREAM RESTORATION �►��•���FIGURE 1. SITE LOCATION MAP)$96ARCH,RIANCIEPQr[EDATE: t7W10-06-14 DURHAM, NORTH CAROLINA °0a733-5M-^ ,Jc'`�`ft:C-M tlNno8vO H1�ON ',ILNnO3 nVHHflU tioz-90-01 gKv�'� dVV4 1N3W3SV3 NOLVA213SN00 47 32 nou ,OOz _ .1 �4{iwM�rt N011`d2JO1S32d Wb'3�J1S aNOd "°°iOtO°°-"'�• •• � FrNOLVMV-1038 831VM AiIS83AINn Dina o1 w-n»a �1.60. ■ tlNIlVa: VU KidVN ALNI IV,) RVHtll lu *LOZ-90—OL m dVN 1N3VGS' 3 N011VA83SN00 :Z'Z 34noi-A OM _ L NOLV801S32J NV3�J1S GNOd 'MNOOOLQW-^ o. Fri,NOliVVNV�03?3 831`dM ),ilS233AINn 3 ina oto9o-ma ■ 6 b 3 s of wCL s 8 BMW \ �V W WSJ APPENDIX B Stream Data RIVERMORPH PARTICLE SUMMARY River Name: Duke Stream Restoration Reach Name: Upper Sample Name: xsl-MY3 Survey Date: 11/11/2016 Size (mm) TOT # ITEM % CUM --------------------------------------------------- 0 - 0.062 10 10.00 10.00 0.062 - 0.125 0 0.00 10.00 0.125 - 0.25 2 2.00 12.00 0.25 - 0.50 16 16.00 28.00 0.50 - 1.0 0 0.00 28.00 1.0 - 2.0 0 0.00 28.00 2.0 - 4.0 6 6.00 34.00 4.0 - 5.7 8 8.00 42.00 5.7 - 8.0 0 0.00 42.00 8.0 - 11.3 0 0.00 42.00 11.3 - 16.0 10 10.00 52.00 16.0 - 22.6 14 14.00 66.00 22.6 - 32.0 0 0.00 66.00 32 - 45 0 0.00 66.00 45 - 64 18 18.00 84.00 64 - 90 2 2.00 86.00 90 - 128 8 8.00 94.00 128 - 180 2 2.00 96.00 180 - 256 2 2.00 98.00 256 - 362 0 0.00 98.00 362 - 512 0 0.00 98.00 512 - 1024 0 0.00 98.00 1024 - 2048 0 0.00 98.00 Bedrock 2 2.00 100.00 D16 (mm) 0.31 D35 (mm) 4.21 D50 (mm) 15.06 D84 (mm) 64 D95 (mm) 154 D100 (mm) Bedrock Silt/Clay (%) 10 sand (%) 18 Gravel (%) 56 Cobble (%) 14 Boulder (%) 0 Bedrock (%) 2 Total Particles = 100. ,o- 6- ry a XS 1-MY3 Partite Size (mm) S RIVERMORPH PARTICLE SUMMARY River Name: Duke Stream Restoration Reach Name: Upper Sample Name: xS3-MY3 Survey Date: 11/11/2016 Size (mm) TOT # ITEM % CUM --------------------------------------------------- 0 - 0.062 4 4.00 4.00 0.062 - 0.125 0 0.00 4.00 0.125 - 0.25 10 10.00 14.00 0.25 - 0.50 34 34.00 48.00 0.50 - 1.0 2 2.00 50.00 1.0 - 2.0 0 0.00 50.00 2.0 - 4.0 2 2.00 52.00 4.0 - 5.7 0 0.00 52.00 5.7 - 8.0 2 2.00 54.00 8.0 - 11.3 0 0.00 54.00 11.3 - 16.0 4 4.00 58.00 16.0 - 22.6 0 0.00 58.00 22.6 - 32.0 24 24.00 82.00 32 - 45 0 0.00 82.00 45 - 64 12 12.00 94.00 64 - 90 2 2.00 96.00 90 - 128 2 2.00 98.00 128 - 180 2 2.00 100.00 180 - 256 0 0.00 100.00 256 - 362 0 0.00 100.00 362 - 512 0 0.00 100.00 512 - 1024 0 0.00 100.00 1024 - 2048 0 0.00 100.00 Bedrock 0 0.00 100.00 D16 (mm) 0.26 D35 (mm) 0.4 D50 (mm) 1 D84 (mm) 48.17 D95 (mm) 77 D100 (MM) 180 Silt/Clay (%) 4 Sand (%) 46 Gravel (%) 44 Cobble (%) 6 Boulder (%) 0 Bedrock (%) 0 Total Particles = 100. XS3-MY3 Partite Size (mm) RIVERMORPH PARTICLE SUMMARY River Name: Duke Stream Restoration Reach Name: Middle Sample Name: xs6-MY3 survey Date: 11/11/2016 Size (mm) TOT # ITEM % CUM --------------------------------------------------- 0 - 0.062 22 22.45 22.45 0.062 - 0.125 2 2.04 24.49 0.125 - 0.25 18 18.37 42.86 0.25 - 0.50 16 16.33 59.18 0.50 - 1.0 0 0.00 59.18 1.0 - 2.0 2 2.04 61.22 2.0 - 4.0 10 10.20 71.43 4.0 - 5.7 0 0.00 71.43 5.7 - 8.0 10 10.20 81.63 8.0 - 11.3 0 0.00 81.63 11.3 - 16.0 4 4.08 85.71 16.0 - 22.6 0 0.00 85.71 22.6 - 32.0 6 6.12 91.84 32 - 45 0 0.00 91.84 45 - 64 8 8.16 100.00 64 - 90 0 0.00 100.00 90 - 128 0 0.00 100.00 128 - 180 0 0.00 100.00 180 - 256 0 0.00 100.00 256 - 362 0 0.00 100.00 362 - 512 0 0.00 100.00 512 - 1024 0 0.00 100.00 1024 - 2048 0 0.00 100.00 Bedrock 0 0.00 100.00 D16 (mm) 0.04 D35 (mm) 0.2 D50 (mm) 0.36 D84 (mm) 14.03 D95 (mm) 52.36 D100 (mm) 64 Silt/Clay (%) 22.45 Sand (%) 38.77 Gravel (%) 38.78 Cobble (%) 0 Boulder (%) 0 Bedrock (%) 0 Total Particles = 98. XS6-MY3 Particle Size (mm) RIVERMORPH PARTICLE SUMMARY River Name: Duke Stream Restoration Reach Name: Lower Sample Name: xs9-MY3 Survey Date: 12/13/2016 Size (mm) TOT # ITEM % CUM --------------------------------------------------- 0 - 0.062 0 0.00 0.00 0.062 - 0.125 0 0.00 0.00 0.125 - 0.25 0 0.00 0.00 0.25 - 0.50 20 20.00 20.00 0.50 - 1.0 28 28.00 48.00 1.0 - 2.0 0 0.00 48.00 2.0 - 4.0 6 6.00 54.00 4.0 - 5.7 0 0.00 54.00 5.7 - 8.0 6 6.00 60.00 8.0 - 11.3 0 0.00 60.00 11.3 - 16.0 12 12.00 72.00 16.0 - 22.6 0 0.00 72.00 22.6 - 32.0 8 8.00 80.00 32 - 45 0 0.00 80.00 45 - 64 16 16.00 96.00 64 - 90 2 2.00 98.00 90 - 128 0 0.00 98.00 128 - 180 2 2.00 100.00 180 - 256 0 0.00 100.00 256 - 362 0 0.00 100.00 362 - 512 0 0.00 100.00 512 - 1024 0 0.00 100.00 1024 - 2048 0 0.00 100.00 Bedrock 0 0.00 100.00 D16 (mm) 0.45 D35 (mm) 0.77 D50 (mm) 2.67 D84 (mm) 49.75 D95 (mm) 62.81 D100 (mm) 180 Silt/Clay (%) 0 sand M 48 Gravel M 48 Cobble M 4 Boulder M 0 Bedrock (%) 0 Total Particles = 100. on Ra m XS9—MY3 M._ 0 0 0 0 O O V- 0 0 LO 00 (p C-1i c0 O 00 r Co 1 1 r" ' o o ti LO IT 00 N � N L M O N O N O N Particle Size (mm) m w W a O Qi _N h W L d'r O }g N 7 W F. ,O T O, O\ O m N N N 7 I : Il� O o0 7 00 vt 7 ll� oq [ : [-� 00 N n oq n 7 N j r h h M vt M vt vt v1 vt vl b b b r DD O� O� O\ O d M W L vri b m h h m m m m m M m m M m m m m m m m m m m M M M M M m M M M m Q+ CO --� Vi ^O+�v1OOo0 OO on7 �n rNi 1ri vq [� 00 �O [ � 00 O\ 7 t�1 � n O h O M M V W N ^l M h l� 00 h l� O 7 4-:�4n 00 h�n 0v�0 F, 01 a0 00 O� O� O N N W �O �D V1 V1 m m V1 Vl V1 Vl V1 V1 V1 V1 V1 V1 m m m m m m m m m m M M M M M M M M M M M M M M M M m M M M m m m m m m m M O m 1� b M MM. as w b O: M .�. 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I ] � [ ) � m e � G � | q i \ | f cq / § / A ] ) q ] A q «s § / ( � ® � \ d \ § � ■ � j » k » 7 y 2 C flul'i a (©�\7k c,« k ) 5 W2 §[, kk Bank Pin Monitoring Data Duke University Water Reclamation Pond Stream Restoration Monitoring Year 3 Report Durham, North Carolina DKU-14060 November 7-8, 2016 Bank Pin Monitoring Methodology: Two sets of bank pins were installed in the outer bend of each of five pool cross sections (Cross Sections 2, 4, 5, 7, and 10). Each set of bank pins consists of two bank pins installed near the water line with one pin approximately 6 to 12 inches above the other. In each cross section, the lower of the two pins in a set is referred to as `Pin 1', and the upper pin is referred to as `Pin 2', as depicted in the cross sectional schematic below. At each cross section, the two sets of bank pins were installed with the first set a few feet upstream of the center of the bend, and the second set a few feet downstream of the center of the bend, as depicted in the following plan view schematic. N Cross Section 2 .s ---------- --------- r�� F] XS4-1 Bank Pins 0 Pin 2 (upper) Pin 1 (lower) -10 -8 -6 -4 -2 0 Exposed pin length change (in.) 1 Year-2, 2015 ■ Year-3, 2016 XS4-2 Bank Pins 0 1� 2 -16 -14 -12 -10 -8 -6 -4 -2 0 2 Exposed pin length change (in.) WYear-2, 2015 ■Year-3, 2016 XS5-1 Bank Pins -10 -8 -6 -4 -2 0 Exposed pin length change (in.) ■ Year-2, 2015 ■ Year-3, 2016 Pin 2 (upper) Pin 1 (lower) Pin 2 (upper) Pin 1 (lower) 2 XS10-1 Bank Pins 0 Pin 2 (upper) . Pin 1 (lower) -10 -8 -6 -4 -2 0 2 Exposed pin length change (in.) WYear-2, 2015 1m Year-3, 2016 XS10-2 Bank Pins 7 Pin 2 (upper) 0 Pin 1 (lower) 0 -10 -8 -6 -4 -2 0 2 Exposed pin length change (in.) ■Year-2, 2015 0Year-3, 2016 APPENDIX C Vegetation Assessment Data Table 1. Vegetation Plot Mitigation Success Summary Table Duke University Water Reclamation Pond Stream Restoration Site Durham, NC MONITORING YEAR 3 McAdams Project #: DKU-14060 Vegetation Plot ID Vegetation Threshold Met?* Tract Mean 1 Yes 83 % 2 Yes 3 Yes 4 NO 5 Yes 6 Yes * Target density is a minimum of 320 trees (both planted and existing) per acre after three years of monitoring, 260 trees (both planted and existing) per acre after five years of monitoring, and 210 trees (both planted and existing) per acre after seven years of monitoring, according to the "Stream Restoration Plan for the Duke University Water Reclamation Pond", October, 2012. r F � M z dti Iz ^y O M a z NN N oo N N Vl N M Vl O N z 6 M O W N N O ,-• CD,-. oo N CDO M vl ^ O N z � N n > '" o N 7 N O N po vl � ° c M M N a � O a � M M M N O � Ap F p iN/1 O a d � � A E o o to a a c ai y N p y 1--1 Y b 4. 13 . d e a Q 0 0.: a y a' r o z z o o o '� a tl OI a v 4 Table 3. Planted Species Comparison by Vegation Plot Duke University Water Reclamation Pond Stream Restoration Site Durham, NC MONITORING YEAR 3 McAdams Project #: DKU-14060 VP-1 VP-2 VP-3 VP-4 VP-5 VP-6 Monitoring Year 3 Planted Stem Count Total 11 11 13 6 10 15 As Built Planted Stem Count Total 18 13 14 14 11 17 Planted Stem Difference from As Built -7 -2 -1 -8 -1 -2 Surivabilit Rate %per Monitoring Plot 61 % 85% 93% 43% 91 % 88% Note: The difference between planted stems from the As Built and Monitoring Year 3 is due to species which were deemed "missing" or "dead" at the time of monitoring. One possible explanation for "missing" species is due to thick herbaceous growth obscurring the species from identification during Monitoring Year 3. Therefore, it is possilbe "missing" species could grow larger than the herbaceous layer and allow for their identification and measurment in subsequent monitoring years. In addition, species which were deemed "dead" could survive in subsequent years because the species may have gone dormant at the time of monitoring while the roots of the species are surviving below ground. Therefore, in subsequent years the species could grow under more favorable conditions. APPENDIX D Vegetation Monitoring Plot Photos Duke University Water Reclamation Pond Stream Restoration Monitoring Year 3 Report Durham, North Carolina DKU-14060 November 11 and December 13, 2016 Vegetation Plot Photos: Vegetation Plot 1: View facing 62°NE Vegetation Plot 2: View facing 51 °NE Vegetation Plot 3: View facing 278°W Vegetation Plot 4: View facing 250°W Vegetation Plot 5: View facing 258°W Vegetation Plot 6: View facing 222°SW APPENDIX E Vegetation Monitoring Plot Data Sheets Site: Duke Sandy Creek Restoration Page: 1 Monitoring Year: MY3 Date: 11 /11/2016 Area: 10x10 Vag Plot No.: 1 X-axis: Plot Location: 102° sea sketch below CURRENT MONITORING YEAR DATA MY2 MONITORING DATA X Y ddh Height cm DBH cm Vigor Notes ddh Height DBH Map ID Scientific Name Source meter meter mm mm cm cm 1 Quercus michauxii 9 0.3 0.4 Missing 5.89 51 2 Fraidnue pemsjdvanica B 0.7 3.1 Missing 3 Fraxinus pennsylvanica 8 0.8 4.7 Missing 4 Fraldnus penns lvanica 9 0.7 5.1 Missing 5 Platanus occidentalis 9 0.2 5.6 275 1.237 3 160 0.450 6 Quercus michauxii 8 3.8 9.11 Missing 7.70 83 7 Platanus occidentalis 8 2.8 4.3 163 0.304 3 7.65 97 8 Quercus michauxii 8 4.8 1.5 Missing 6.40 75 9 Quercus michauxi B 5.6 3.5 Missin 6,40 56 10 Quercus michauxii B 5.8 8.4 9.12 54 3 Deer 9.30 83 11 Platanus occidentalis B 7.4 0.4 360 2.260 3 12 Platanus occidentalis B 8.2 3.1 14.23 150 0.320 3 13 Quercus michauxii B 8.1 5.8 10.88 36 3 Deer 5.00 51 14 Quercus michauxii 8 7.9 6.5 7.60 45 3 15 Quercus michawdi B 9.9 9.4 8.87 56 3 4.50 36 16 Quercus michauxii B 9.5 6.9 10.64 97 3 9.05 79 17 Quercus michauxii B 9.4 4.1 7 91 57 3 4.65 56 18 Quercus michauxii B 9.7 1.2 9-361 77 3 6.10 40 B = bare root C= containerized • ` • ` y 0.0 x ` Campus ♦ ` Volunteers <50 cm 50.100 c100+cm Li uidambar styraciflua 5 8 12 Pinustaeda d 30 30 10 Liriodendron tuli ifera 3 Quercus launfolia 1 Site: Duke Sandy Creek Restoration Page: 2 Monitoring Year: MY3 Date: 11/11/2016 Area: 10x10 Vag Plot No.: 1 X-axis: 102' 10 9 8 7 6 O 1 5 4 3: 2 2 V` 1 lJ 0 0 1 2 3 4 5 6 7 B 9 10 Fraxinus pennsylvanlca OPlalanus occidentalis O Quercus michauxii O Missing Site: Duke Sandy Creek Restoration Page: 1 Monitoring Year: MY3 Date: 11/11/2016 Area: 10x10 Vag Plot No: 2 X-axis: Plot Location: 94° see sketch below CURRENT MONITORING YEAR DATA MYz MONITORING DATA X Y ddh Height DBH Vigor Notes ddh Height DBH Map ID Sclsntlfic Name Source meter meter mm cm cm mm cm cm 1 Quercus phellos B 0.0 1.5 7.59 121 3 6.90 62 2 Quercus phellos B 4.3 1.0 192 0.581 3 9.05 97 3 Quercus phellos B 6.8 1.6 4.50 70 3 5.55 33 4 Platanus occidentalis B 9.7 1.4 607 4.610 3 360 1 A48 5 Cersis canadensis (s0 not on Dlanting list) C 7.9 4.5 350 2.545 3 340 2.720 6 Quercus phellos B 5.4 4.0 INlssin 7 Fraxinus Dennsylvanica C 2.9 3.3 315 3.053 31 298 2.610 8 Platanus occidentalis B 2.7 5.7 280 1.812 3 9.35 189 9 Quercus michauxii B 5.6 6.2 152 0.450 3 9.40 118 10 Comus florida C 9.8 7.8 265 2.930 3 234 1 760 11 Alnus serrulata B 5.6 B.8 Dead 4M 29 12 Fraxinus pennsylvanica C 2.8 8.0 500 4.214 3 350 3.230 13 Platanus occidentalis B 8.1 97 170 0.460 3 9A0 t t t B = bare root C= containerized Volunteers <50 cm 50-100 cm 100+ cm Li uidambar styraciflua 10 25 1 Lifiodendron lull ifera 1 7 13 Pinustaeda 20 15 0 C E u Site: Duke Sandy Creek Restoration Page: 2 Monitoring Year: MY3 Date: 11 /11 /2016 Area: 10x10 Vag Plot No.: 2 X-aps: 94° 10.0 9.0 8.0 `17y 7.0 9 6.0 5.0 5 4.0 6 7 3.0 2.0 � O O 0.0 — 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 0Quercusmichauxii OAlnusserrulata 0 Cersis canadensis O Cornus florida Fraxinus pennsylvanica O Platanus occidentalis OQuercusphellos 0Missing XDead z Site: Duke Sandy Creek Restoration Page: 1 Monitoring Year: MY3 Date: 11 /11 /2016 Area: 10x10 Vag Plot No.: 3 X-axis: Plot Location: 306° see sketch below CURRENT MONITORING YEAR DATA MY2 MONITORING DATA X meter Y meter ddh mm Hei ht cm DBH cm Vi or Notes ddh Height I DBH Map ID Scientific Name Source mm cm cm 1 Fraxinus Penns Ivanica 13 1,2 2.8 7.79 71 3 9.05 65 2 Vibumum dentatum B 2.7 1.9 7.7 9 2 Deer 4.20 33 3 Platanus occidentalis 9 17 4,5 170 0.569 3 7.70 105 4 Platanus occidentalis B 1.1 5.5 Missing 4.80 74 5 Platanus occidentalis B 3.7 7.6 7A 97 3 4.50 70 6 Platanus occidentalis B 1 4.4 8.1 6.11 68 3 5.85 61 7 Platanus occidentalis B 1.8 9.9 6,16 65 3 5.80 65 8 4uercus michauxii B 4.5 5.9 6.47 53 3 Deer 6.20 66 9 Ouercus michauxii B 4.6 3.1 7.97 30 3 Deer 6.40 48 10 Vlbumum dental Gm B 5.7 1.5 7.92 62 3 5.90 39 11 Fraxinus eennsylvanica B 7.5 3.3 9.36 59 3 9.95 57 12 Platanus occidentalis B 9.0 2.5 4.34 33 3 Deer 4.25 49 13 Vlbumum dentatum B 9.4 7.0 6.08 36 3 Deer 5.85 54 14 Platanus occidentalis B 9.8 9.2 6.12 55 31 6.66 52 e = Dare root C= containerized ♦ y u 9 0,0 x Volunlears <50 an 50-100 cm 100• cm Liquid arnbar s reci0ua 20 Pines leads 5010 Site: Duke Sandy Creek Restoration Page: 2 Monitoring Year: MY3 Date: 11 /11 /2016 Area: 10x10 Vag Plot No.: 3 X-axis: 306° 10 7 9 $ s 7 k3 6 g 4 5' 4 3 8 1 2 2i 1 0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 OPlatanusoccidentalis OFraxinuspennsylvanica OQuercusmichauxii Vibumumdentatum OMissing 278° Site: Duke Sandy Creek Restoration Page: 1 Monitoring Year: MY3 Date: 11/11/2016 Area: 20x5 Vag Plot No.: 4 X-axis: Plot Location: 278° see sketch below CURRENT MONITORING YEAR DATA MY2 MONITORING DATA X Y ddh Height cm DBH cm Vigor Notes ddh Height DBH Map ID Scientific Name Source meter meter mm mm cm cm 1 Platanus occidentalis B 1.1 1.2 10.74 99 3 7.30 83 2 Lindera benzion B 2.2 3.2 317 31 1 3 Comus amomum B 3.3 02 Missing 3.25 31 4 Platanus occidentalis B 5.6 3.5 10.64 55 3 Deer 7.20 75 5 Comus amomum B 6.8 4.9 Dead 6 Lindera benzion B 8.4 2.9 Missing 3.50 66 7 Platanus occidentalis B 11.3 3.1 Missing 6-251 67 8 Vibumum dentatum B 13.9 2.9 3.23 58 3 3.30 56 9 Platanus occidentalis B 14.2 4.9 12.76 129 3 520 84 10 Asimina triloba B 17.1 49 Missina 310 26 11 Lindera benzion B 17.2 3.6 Dead 12 Vcl umum dentatum B 19.1 0.3 Dead 13 Lindera benzion B 19.6 3.2 Dead 4.40 83 14 Platanus occidentalis IB 19.4 5.0 7.651 80 3 625 55 ti = Dare root t C= containerized t � 00 00 t y 0.0 - - - Volunteers <50 cm 50-100 cm 100+ cm Li uidambar styraciflua 20 Liriodendron tuli ifera 15 Pinus taeda 1 50 -x- Site: Duke Sandy Creek Restoration Page: 2 Monitoring Year: MY3 Date: 11 /11 /2016 Area: 20x5 Vag Plot No.: 4 X-axis: 278' 4 O 3 b 8. 2 1 1 3 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 O Platonus occidentalis OAsimina triloba OCornus amomum OVlburnum dentotum O Undera benzion X Dead O Missfng Site: Duke Sandy Creek Restoration Page: 1 Monitoring Year: MY3 Date: 12/13/2016 Area: 10x10 Veg Plot No.: 5 X-axis: Plot Location: 296' see sketch below CURRENT MONITORING YEAR DATA MY2 MONITORING DATA X Y j ddh Height I DBH cm Vi or Notes ddh Height DBH Map ID SCfentitic Narllo Source meter motorl mm cm mm cm cm 1 Comus amomum B 2.8 3.1 Dead 2.90 35 2 Liriodendron tuli ifera D 2.1 5.0 10.92 86 3 5.26 54 3 Liriodendron tuli ifera B 5.2 6.6 5.94 43 3 3.20 21 4 Alnus serrulata B 26 7.3 921 54 3 Deer 7,80 55 5 Platanus occidentalis B 99 8.4 280 1.394 3 6AD 130 6 Viburnum dentatum B 1 8.6 9.1 7.69 45 3 9A5 44 7 Alnus serrula[a B 1 5.8 8.9 12.661 64 3 Deer 9.50 74 8 Fraxfnus pennsylvanica B 8.5 9.4 8.88 61 3 Deer 6.35 67 9 Frabnus pennsylvanica B 9.9 9.6 9.39 89 3 6.65 79 10 Ftnus enns Ivanica B 4.4 9.8 5.96 56 3 5.06 16 11 Fra>anus pennsylvanica B 1 01 9.51 5.82 23 3 Deer 5. DO 55 u = Dare roof C= containerized 0.0 Volunteers 460 cm Lf uidambor sl roci0ua 10 Liriodendron tuli llera 5 Platanus occidentali s 3 Pinus taeda 70 x Site: Duke Sandy Creek Restoration Page: 2 Monitoring Year: MY3 Date: 12/13/2016 Area: 10x10 Vag Plot No.: 5 X-axis: 296' 10 1 ^ 9 6 9 7 5 8 O 7 Q 6 5 2 4 3 2 1 0 0 1 2 3 4 5 6 7 8 9 10 OPlatanusoccidentalis OFraxinuspennsylvanicaOAlnusserrulata Viburnum dentatum Ocornusamomum 0 Uriodendron tulipifera XDead Site: Duke Sandy Creek Restoration Page: 1 Monitoring Year: MY3 Date: 12/13/2016 Area: 10x10 Vag Plot No: 6 X-axis: Plot Location: 264° see sketch below CURRENT MONITORING YEAR DATA MY MONITORING DATA X Y ddh Het ht DBH cm Vigor Notes ddh Height DBH Ma ID Scientific Name Sourco meter meter mm cm mm cm cm 1 Comus amomum B 0.2 1.2 Dead 2 N ssa s Ivatica B 3.3 1.1 4.47 50 3 458 48 3 Comus amomum B 6.3 0.8 Missing 4 N ssa s Ivatica B 9.1 0.8 7.94 67 3 Deer 6.50 68 5 Quercus michaubi B 4.9 2.5 7.49 49 3 Deer 620 62 6 Quercus michaubi B 0.8 3.3 7.48 56 3 5.05 54 7 Quercus michaubi B 2,8 3.7 6.34 59 3 Deer 5.10 61 6 Quercus michaubi B 6.0 4.0 9.64 52 3 Deer 6.50 68 9 Quercus michaubi B 9.2 4.2 7.84 67 3 Deer 6.50 69 10 Quercus michaWai B 1.7 59 5.09 45 3 4,75 45 11 N ssa s Ivatica B 4,4 6.6 6.22 64 3 4.99 59 12 Quercus michauxi B 5.7 7.7 6,11 60 3 4.85 59 13 N ssa s Ivatica B 7.5 6.8 6.22 62 3 5.10 60 14 N ssa s Ivatica B 9.6 7.2 5.92 60 3 Deer 5.89 61 15 Quercus michaubi B 9.9 9.1 7.8 61 3 5.90 60 16 Quercus michaubi B 7.0 9.3 5.98 52 3 Deer 4,79 55 17 Quercus michaubi 113 1. 3.81, 9.21 6.04 47 1 3 Deer 1 5.95 49 U = Oulu ruvi C= containerized - , - . - ' . s I Y I 0,0 x i .. ....a y ........ '%............ I.............. .............. ... forest edge Volunteers <50 cm Li uidambar styraciflua 8 Platanus occidentalis 5 Pinus laeda 60 Site: Duke Sandy Creek Restoration Page: 2 Monitoring Year: MY3 Date: 12/13/2016 Area: 10x10 Vag Plot No.: 6 X-axis: 264° 10 9 a 7 6 5 4 3 2 1 0 0 2zr flq� 11� 13 0 9 Q H 2 3 4 1 2 3 4 5 6 7 8 9 10 Nyssa sylvatica OCornus amomum OQuercus michauxil X Dead O Missing APPENDIX F Annual Invasive Species Monitoring Document It!VERoxxs To: George Buchholz JR McAdams Company, Inc 2905 Meridian Parkway Durham, NC 27713 From: George Morris River Works, Inc 6105 Chapel Hill Rd Raleigh, NC 27607 Subject: Spring 2015 Treatment at Sandy Creek Campus Drive Date: October 17, 2016 During the week of September 18th , River Works conducted a site visit and invasive plant treatment for the buffer along the Sandy Creek Campus Drive stream restoration. An initial assessment of the species encountered was conducted and the following species were encountered within the buffer: Lonicera japonica (Japanese Honeysuckle), Ligustrum sinense (Chinese Privet), Ligustrum japonicum (Japanese Privet), Ampelopsis brevipedunculata (Porcelain berry) and Wisteria sinensis (Chinese Wisteria). Wisteria and Ampelopsis continue to be most prevalent in the Northern sections of the buffer. All species encountered were treated with herbicide. As noted in previous visits, large populations of invasive species were located outside the buffer and encroachment of invasive species will continue until these populations are addressed. A site map with approximate locations of the invasive populations, as well as pesticide application reports, is included with this report. Thank you for allowing us to assist you in reaching your goals. If there are any questions, feel free to contact me at 919-818-3984. George Morris Botanist/Vegetation Specialist River Works, Incorporated 1N3M3SV3 r �. _-_ 9' lo,d '03A ' 83M3S MIVHana d0 AID 'X3 30nV0 30VIS IS383 I os fan I ! .—j l3NNVHO 1 - AV3&S a3HO1S38 Jr HNVB 30 dOl f! a MIV32LLS a3VOIS38 f 1N3w3SV3 NOLVAU3SNOO -- (, ' 7, Hl I o S XNV9 30 d01 MIV3211S 031JO1s311 1N3W3SV3 83M3S MIVHmna i 30 ub 'X3'�— '' £f 103d '03A 2 + .01 1 WV3uls a32oim 1� - iN3' V3 NouVA83sNoa ('3V � 0 Z ) 1 d zil N I O �f41.J, I v r t 1 f r 1 XNV8 30 d01 - MI MUS ❑3aO1'SM 7 !� � 'IX l/ 1Old 'O3A �` f 1N3MMV3 NOl1VAH3SNO0 09 • � (.:Dv r r f f 997) HiWN FKWX1►D"m 0 m m OC zz N �m ��� m D D D ; o o ..l OZ mm n m —4 n '' U ;�7 z yM z -� r O� D u D O z L 77 001 = goui I ooz nat ax 0 ant agV3S :)IHdVHf) S1N 30nvo 3svls 153w stivin 1Nwosv3 NOl1VAM3SNOO SLOId NOLIV1303A 1N31M35Y3 83M3S MIVHMna 30 Alq JNLLSIX3 ('DV 10*1 - V3MV IV101) 1N3MOSV3 NOILVAiMNOO 3LS LAW*" ,Am Grod (INHIDH'I f ' 1N3W3SV3 f 83M3S WVHana J jb KLIO 'X3 l3�[NVHO�-'t YVVTILS 03HOIS38 l� IIVM0V3H 30 d01"--\\ x . �XN .,\ I--- /- -'\ 1-1 r f� 1 River Works, Inc Vegetation Management Report Form Site - Crew leader J H❑ rs- Crdw members -0 — Sc fy1� u j ea 'Chemicals,Spr yed Areas completed Target species Fat;72-3 Applicators License # Method of removal q-lk45 Weather Conditions I 'J M; : A DA M-S MEMORANDUM Date: June 20, 2016 To: Mr. Ryan Lavender, PE Duke Utility & Engineering Services, FMD Duke University From: George Buchholz, REM, PWS Re: Duke University Water Reclamation Pond Stream Restoration; Stream & Vegetation Monitoring; 2016 Spring Stream Visual Assessment Monitoring Year 3 DKU-14060 As part of Monitoring Year 3 (2016) Stream and Vegetation Monitoring activities, McAdams conducted a spring stream visual assessment on May 16, 2016. The purpose of the stream visual assessment is to initially assess the restored stream for the upcoming fall monitoring activities and to determine if immediate corrective actions are required. A spring invasive species inspection and treatment was also conducted during the week of May 15a', 2016 (attached Riverworks letter dated June 16, 2016). Based on the spring invasive species inspection and treatment, invasive species infestations were observed and were treated. Invasive species encountered include: Japanese honeysuckle, Chinese privet, Japanese privet, porcelain berry, and Chinese wisteria. The entire stream restoration project was visually inspected, photographs were taken, and field notes were recorded. Below is a summary and recommendations based on the visual inspection. In addition, attached are the field notes. Stream Visual Assessment Summary: The John R. McAdams Company, Inc. - All structures are in place. No damage or movement of structures was observed. Raleigh / Durham, NC - During the MY2 monitoring period, it was reported there were some 2905 Meridian Parkway areas of minor erosion and it was recommended that these areas Durham, North Carolina 27713 (919)361-5000 needed to be watched to determine if vegetation would take hold. nee During the MY3 2016 Spring Stream Visual Assessment it was determined that vegetation has grown and thrived. The vegetation is Charlotte, NC 11301 Carmel Commons Blvd, Suite 111 Charlotte North Carolina 28226 (704) 527-0800 McAdsmsCo.com Designing Tomorrow's Infrastructure & Communities Mc -A DA N4 S Mr. Ryan Lavender, PE Duke University Water Reclamation Pond Stream Restoration; Stream & Vegetation Monitoring; 2015 Spring Stream Visual Assessment; Monitoring Year 3 June 20, 2015 Page 2 of 2 taking hold and there are very minimal areas of erosion. Continued monitoring is recommended. There are a few log vanes (in the North Section) in which water flow is going under the vane and not above the vane. It doesn't appear that the log vanes are undermined at this point, but recommend watching them. DKU-14060 r#VE R P� - r4 To: George Buchholz JR McAdams Company, Inc 2905 Meridian Parkway Durham, NC 27713 From: George Morris River Works, Inc 6105 Chapel Hill Rd Raleigh, NC 27607 Subject: Spring 2015 Treatment at Sandy Creek Campus Drive Date: June 16, 2016 During the week of May 15th, River Works conducted a site visit and invasive plant treatment for the buffer along the Sandy Creek Campus Drive stream restoration. An initial assessment of the species encountered was conducted and the following species were encountered within the buffer: Lonicera japonica (Japanese Honeysuckle), Ligustrum sinense (Chinese Privet), Ligustrum japonicum (Japanese Privet), Ampelopsis brevipedunculata (Porcelain berry) and Wisteria sinensis (Chinese Wisteria). Wisteria and Ampelopsis were most prevalent in the Northern sections of the buffer. All species encountered were treated with herbicide. As noted in previous visits, large populations of invasive species were located outside the buffer and encroachment of invasives will continue until these populations are addressed. A site map with approximate locations of the invasive populations, as well as pesticide application reports, is included with this report. Thank you for allowing us to assist you in reaching your goals. If there are any questions, feel free to contact me at 919-818-3984. George Morris Botanist/Vegetation Specialist River Works, Incorporated n 0 r � C�1 a7l�o �i n D Z M, A Z y g � 00 � ]p / 2. ! �� D I o y � r o � � r Tll L41 r f 1 i - � •� � � r i a f ! P'l >Ra g� . ' vR d rm � ~ C � � S � � p�pr i ! 9f c �— OKu-0=0 DUKE UNIVERSITY WATER RECLAMATION ��:•=i x� �� POND STREAM RESTORATION FIGURE 2.2: CvNSER'ATfON E +5EVENT IlAAP �,..:.�. ,r n. 10-00-2074 _. ..•:.v —NA Mr'ADAMS � River Works, Inc Vegetation Management Report Form Site Crew, lead Hours _t r ' 1?� Vu .ic Crew members ��O AGPri Chemicals Sprayed Rate !yea El Areas completed k I� i�' 1.r cc �C`',ainS Date: 711i,16. Applicators Lice se #a 0 CL. ✓C ' J y.7 Method of removal Weather Conditions Targett1 species .rAif K, 2L�`'i�5lt l ^.e� �lNin�r L✓?t�����r�c,15�n ��.I �t�l: APPENDIX G Photo Stations Duke University Water Reclamation Pond Stream Restoration Monitoring Year 3 Report Durham, North Carolina DKU-14060 November 11 and December 13, 2016 Photo Station Photos: Photo Station 1: View facing downstream ,.r, �� �1� F •� .i 3 Photo Station 2: View facing upstream Photo Station 2: View facing downstream Photo Station 3: View facing upstream Photo Station 4: View facing upstream Photo Station 4: View facing downstream Photo Station 5: View facing upstream Photo Station 5: View facing downstream Photo Station 6: View facing upstream Photo Station 7: View facing downstream Photo Station 8: View facing upstream • "�✓-.. _ ice' 1*r Photo Station 8: View facing downstream � ©���j�%m A( � ��/\<k� ���;��\/ Photo Station 9 View facing upstream Photo Station 9: View facing downstream Photo of Crest Stage Gauge (CSG)