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HomeMy WebLinkAbout20070247 Ver 1_Restoration Plan_20070209aoo7o2a; BRUSHY FORK STREAM RESTORATION PLAN Forsyth County, North Carolina SCO Project Number 010549501 Revised Due to Planform Change -, o yystem PROGRAM ^`~ r ~1 Y~~ -...~... .. .. _ '.i ~~_~ 4.:f +.: e.+ ~ ~''' ~' 7 s~ E ~~ i..i January 24, 2007 Prepared for: North Carolina Department of Environment and Natural Resources Ecosystem Enhancement Program 1652 Mail Service Center Raleigh, NC 27699-1652 BRUSHY FORK STREAM RESTORATION PLAN Forsyth County, North Carolina Revised Due to Planform Change Prepared by: URS Corporation -North Carolina 1600 Perimeter Park Drive Suite 400 Morrisville, NC 27560 (919)461-1100 Fax (919) 461-1415 Project Manager: Kathleen M. McKeithan, PE, CPESC, CPSWQ (919) 461-1597 Kathleen McKeithan@urscorp.com January 24, 2007 Brushy Fork Stream Restoration Plan Forsyth County, North Carolina EXECUTIVE SUMMARY The North Carolina Ecosystem Enhancement Program (EEP) plans to restore a portion of Brushy Fork in Winston-Salem, North Carolina. The City of Winston-Salem and Forsyth County are cooperating with EEP to restore the stream. Brushy Fork is located within the Upper Yadkin River drainage basin (US Geological Survey (USGS) 14-digit Hydrologic Unit Code 03040101170060 and NC Division of Water Quality (DWQ) Subbasin 03-07-04). The stream is considered Class C waters (Index No. 12-94-12-6) by the DWQ. The site is located in the Piedmont hydro-physiographic province of North Carolina, within the city limits of Winston-Salem in Forsyth County. It lies in the Southern Outer Piedmont Level N Ecoregion of North Carolina (Griffith et al. 2002). The project reach runs adjacent to a portion of the City's greenway system and has been significantly impacted by historic channel modifications, removal of the riparian vegetation, and urban development within the watershed. The stream restoration is constrained by an overhead electric transmission line, a subsurface sanitary sewer main, and the adjacent greenway. The project reach is found on the Walkertown and Winston-Salem East USGS 7.5-minute quadrangle maps (Figure 1). EEP has the following goals and objectives for the Brushy Fork Stream Restoration: • To restore 1,955 linear feet to a B4c Rosgen Stream Classification and restore 4,696 linear feet to an ES stream channel; • To establish a larger floodplain at the existing elevation of the stream to provide additional storage and conveyance of floodwaters; • To eliminate the excessive sediment contribution to the system by the mass wasting and erosion of the stream banks along the project reach; and • To repair and restore the riparian corridor along Brushy Fork in order to improve habitat and protect the stream from further erosion. Brushy Fork StreamRestoration Plan Forsyth County, North Carolina TABLE OF CONTENTS EXECUTIVE SUMMARY .........................................................................................................................i TABLE OF CONTENTS ...........................................................................................................................ii 1.0 SITE LOCATION ............................................................................................................................. 1 1.1 Directions to the Site ..................................:.............................................................................. l 1.2 USGS Hydrologic Unit Code and NCDWQ River Basin Designation ..................................... 1 2.0 WATERSHED CHARACTERIZATION ....................................................................................... 2 2.1 Drainage Area ............................................................................................................................ 2 2.1.1 Reach 1 ......................................................................................................................... 2 2.1.2 Reach 2 ......................................................................................................................... 2 2.2 Channel Classification ............................................................................................................... 2 2.3 Soils of the Watershed .............................................................................................................. 2 2.4 ,Historical Land Use and Development Trends ......................................................................... 3 2.4.1 Existing Conditions ...................................................................................................... 3 2.4.1.1 Reach 1 ......................................................................................................... 3 2.4.1.2 Reach 2 ......................................................................................................... 3 2.4.2 Development Trends .................................................................................................... 3 2.5 Threatened and Endangered Species ......................................................................................... 4 2.6 Potential Constraints .................................................................................................................. 5 2.6.1 Property Boundary ....................................................................................................... 5 2.6.2 Site Access ..........................................................................................................:........ 5 2.6.3 Utilities ......................................................................................................................... 5 2.6.4 FEMA/Hydraulic Trespass ........................................................................................... 5 2.6.5 Wetlands ....................................................................................................................... 6 2.6.6 Archaeology ................................................................................................................. 6 3.0 EXISTING CONDITIONS .............................................................................................................. 7 3.1 Description ................................................................................................................................ 7 3.1.1 Reach 1 ......................................................................................................................... 7 3.1.2 Reach 2 ........................................................................................................................ . 7 3.2 Soils of the Project Reach ........................................................................................................ . 8 3.3 Existing Plant C ommunities and Wildlife Observations ........................................................... 8 3.4 Stream Classification ................................................................................................................. 9 3.4.1 Reach 1 ......................................................................................................................... 9 3.4.1.1 Dimension .................................................................................................... 9 3.4.1.2 Pattern ......................................................................................................... 10 3.4.1.3 Profile ......................................................................................................... 10 3.4.1.4 Channel Substrate Material ........................................................................ 10 3.4.2 Reach 2 ....................................................................................................................... 10 3.4.2.1 Dimension .................................................................................................. 10 3.4.2.2 Pattern ......................................................................................................... 10 3.4.2.3 Profile ......................................................................................................... 10 3.4.2.4 Channel Substrate Material ........................................................................ 11 ii Brushy Fork Stream Restoration Plan Forsyth County, North Carolina 4.0 Stream Reference Reach Studies ...................................................................................................12 4.1 Silas Creek, Winston-Salem, NC ............................................................................................ 12 4.1.1 Stream Classification ................................................................................................. 12 4.1.2 Soils of the Reference Reach .................................................................................... 12 4.1.3 Vegetation ................................................................................................................. 12 4.2 Unnamed Tributary to Belew's Creek, Kernersville, NC ....................................................... 13 4.2.1 Stream Classification ................................................................................................. 13 4.2.2 Soils of the Reference Reach .................................................................................... 13 4.2.3 Vegetation ................................................................................................................. 13 4.3 Unnamed Tributary to Richland Creek at Lake Jeannette, Greensboro, NC .......................... 13 4.3.1 Stream Classification ................................................................................................. 14 4.3.2 Soils of the Reference Reach .................................................................................... 14 4.3.3 Vegetation ................................................................................................................. 14 5.0 RESTORATION PLAN .................................................................................................................15 5.1 Reach 1 Stream Classification .................................................................................................. 15 5.1.1 Dimension ................................................................................................................... 15 5.1.2 Pattern ......................................................................................................................... 15 5.1.3 Profile .......................................................................................................................... 15 5.1.4 Sediment Transport Analysis ...................................................................................... 16 5.2 Reach 2 Stream Classification .................................................................................................. 16 5.2.1 Dimension ................................................................................................................... 16 5.2.2 Pattern ......................................................................................................................... 17 5.2.3 Profile .......................................................................................................................... 17 5.2.4 Sediment Transport Analysis ...................................................................................... 17 5.3 HEC Analysis ........................................................................................................................... 17 5.3.1 No-Rise, LOMR, CLOMR .......................................................................................... 17 5.3.2 Hydrologic Tresspass ................................................................................................... 17 5.4 Proposed Vegetative Communities .......................................................................................... 18 6.0 PERFORMANCE CRITERIA ...................................................................................................20 6.1 Stream Geometry .................................................................................................................... 20 6.2 Vegetation ...............................................................................................................................20 6.3 Monitoring Schedule and Methods ......................................................................................... 20 6.4 Schedule and Reporting .......................................................................................................... 21 7.0 REFERENCES .............................................................................................................................22 8.0 TABLES Table 1. Reach 1 Watershed Land Use Characteristics Table 2. Reach 2 Watershed Land Use Characteristics Table 3. Federal and State Protected Plant and Animal Species Potentially Occurring in the Project Area Table 4. Morphological Characteristics of the Existing and Proposed Channel and Reference Reaches Table 5. Permanent Seed Mix Table 6. Live Stakes Table 7. Riparian Shrubs Table 8. Trees Table 9. Slope Shrubs iii Brushy Fork Stream Restoration Plan Forsyth County, North Carolina 9.0 FIGURES Figure 1. Site Location Map Figure 2. Reaches 1 and 2 -Brushy Fork Figure 3. Reach 1 -Watershed Area Figure 4. Reach 2 -Watershed Area Figure 5. Watershed Soils Figure 6. Reach 1 -Land Use within the Watershed Figure 7. Reach 2 -Land Use within the Watershed Figure 8. Reach 1 Existing Conditions Figure 9. Reach 2 Existing Conditions Figure L0. Reach 1 Soils Figure 11. Reach 2 Soils Figure 12. Reach 1 Existing Plant Communities Figure 13. Reach 2 Existing Plant Communities Figure 14. Reach 1 Proposed Stream Channel Figure 15. Reach 1 Proposed Cross Section Figure 16. Reach 2 Proposed Stream Channel Figure 17. Reach 2 Proposed Cross Section Figure 18. Reach 1 Planting Plan Figure 19. Reach 2 Planting Plan 10.0 APPENDICES Appendix A. Project Site Photographs Appendix B. Existing Conditions Data Appendix C. Reference -Reach Data Appendix D. Vane Detail iv Brushy Fork Stream Restoration Plan Forsyth County, North Carolina 1.0 SITE LOCATION The site has been broken into two reaches, with the confluence of Frazier Creek providing the break point. The site is located between Bowen Boulevard and Old Greensboro Road in Winston-Salem. Generally, Brushy Fork flows from north to south. Reach 1 begins at the Bowen Boulevard crossing of Brushy Fork and continues for approximately 1,955 feet to New Walkertown Road (US 311). The stream then continues for approximately 990 feet from New Walkertown Road to the confluence with Frazier Creek (Figure 2). Reach 2 begins at the confluence of Frazier Creek and Brushy Fork and continues for approximately 4,696 feet to the Old Greensboro Road Crossing. Three unnamed tributaries feed into Reach 2 (Figure 2). 1.1 Directions to the Site The site is located in Winston-Salem, North Carolina. From I-40 W, take exit 131 toward US- 70/Greensboro/Winston-Salem. From US-70, take exit 36A toward Winston-Salem. Next, take exit 206 toward US-421 N. From US-421 N, take exit 7, Fifth Street, merge onto East Fifth Street, turn right onto North Cameron Avenue, then turn right onto New Walkerton Road (US 311). Next, turn left onto Dellabrook Road, take a sharp right onto Attucks Street, and then a right onto Bowen Boulevard. 1.2 USGS Hydrologic Unit Code and NCDWQ River Basin Designation The United States Geological Survey (USGS) uses amulti-tiered system to divide and subdivide the country's watersheds into successively smaller hydrologic units. Each hydrologic unit is identified by a unique hydrologic unit code (HUC), consisting of various numbers of digits depending on the level of classification within the hydrologic unit system. The site is located in the Upper Yadkin River Basin, 8- digit HUC 03040401. The 8-digit units are further subdivided into 14-digit hydrologic units that are used for smaller scale planning. The site is located in the 14-digit HUC 03040101170060. The North Carolina Division of Water Quality (DWQ) uses atwo-tiered system to divide the state into watershed units. The state is divided into seventeen river basins. Each basin is further subdivided into subbasins (DWQ 6-digit subbasins). The site lies within Yadkin River subbasin 03-07-04. Brushy Fork Stream Restoration Plan Forsyth County. North Carolina 2.0 WATERSHED CHARACTERIZATION 2.1 Drainage Area 2.1.1 Reach 1 The drainage area for Reach 1 is approximately 3.7 square miles (2,340 acres) and is bound on the north by a ridge north of Old Walkertown Road (Figure 3). The eastern border follows Carver School Road to New Walkertown Road. The ridgeline then runs east of New Walkertown Road through the Spaulding Drive development and continues south to the confluence of Brushy Fork and Frazier Creek. The western edge of the watershed runs from the confluence of Brushy Fork and Frazier Creek through Winston- Salem along 16`h Street. It then follows the railroad and Indiana Avenue to Akron Drive. The boundary then continues east to Old Walkertown Road. 2.1.2 Reach 2 The drainage area for Reach 2 is approximately 11.8 square miles (7,545 acres) and includes the watershed of Reach 1 and the watershed of Frazier Creek (Figure 4). The northeastern corner of the watershed area is at the intersection of Old Walkertown and Williston Roads. From this point, the watershed boundary follows Williston Road as it curves south to Old Bellews .Creek Road, and then roughly follows along Old Bellews Creek Road until the intersection with Benore Street. From here, the ridge continues south to the intersection of Gaither and Hubbard Roads and runs southwest roughly paralleling Old Greensboro Road to the intersection with Brushy Fork. From this southern end, the basin boundary follows a ridge northward through Skyland Park to 16`" Street. Finally, the boundary extends from the railroad and Indiana Avenue to Akron Drive at which point the ridge turns east, up Old Walkertown Road. 2.2 Channel Classification The project reach is considered a Class C water (Index No. 12-94-12-6) by DWQ. The site is located in the Piedmont hydro-physiographic province of North Carolina inside the city limits of Winston-Salem in Forsyth County. The site lies in the Southern Outer Piedmont Level IV Ecoregion of North Carolina (Griffith et al. 2002). The project reach runs adjacent to a portion of the City's greenway system and has been significantly impacted by historic channel modifications, removal of riparian vegetation, and urban development within the watershed. 2.3 Soils of the Watershed According to the Soil Survey of Forsyth County, North Carolina (USDA 1976), the Pacolet-Cecil association is the dominant association within the watershed. The Pacolet-Cecil association consists of well-drained, brownish loamy soils that have reddish clayey subsoil within the uplands (Figure 5). The major soil types include: Appling (Fine, kaolinitic, thermic Typic Kanhapludults) - (3.8 percent of the watershed) Appling is a sandy loam. It is awell-drained, gently sloping to sloping soil of the uplands. The soils formed in residuum weathered from granite, gneiss, and other acidic rocks. Cecil (Fine, kaolinitic, thermic Typic Kanhapludults) - (6.8 percent of the watershed) The soil consists of sandy or clay loamy. The series has well-drained, gently sloping to strongly sloping soils of the uplands. They formed in residuum that weathered from granite, gneiss, and other acidic rocks. Chewacla (Fine-loamy, mixed, active, thermic Fluvaquentic Dystrudepts) - (6.1 percent of the watershed) The series consists of nearly level, somewhat poorly drained soils of the stream flood plains and formed in recent alluvium. This soil is classified as a hydric soil. Brushy Fork Stream Restoration Plan Forsyth County. North Carolina • Cut-n-fill - (6.3 percent of the watershed) Cut-n-fill classifies areas that have been altered by man so that the original soil profile and topography are not recognizable. Typically these soils are sandy clay loam to clay. • Hiwassee (Fine, kaolinitic, thermic Typic Rhodudults) - (1.7 percent of the watershed) The soils are well-drained on gently sloping to moderately steep uplands. They formed in residuum that weathered from gneiss, schist, and other mixed acidic and basic rocks, or formed in old alluvium. • Madison (Fine, kaolinitic, thermic Typic Kanhapludults) - (9.3 percent of the watershed) Madison soils consist of fine sandy foams to clay foams. They are well-drained and found on gently sloping to steep soils on the uplands. The soils formed in residuum that weathered from mica schist and mica gneiss. • Pacolet (Fine, kaolinitic, thermic Typic Kanhapludults) - (60.2 percent of the watershed) These are fine sandy foams to clay foams. They are well-drained, gently sloping to steep soils of the uplands. They formed in residuum from weathered granite, mica gneiss, schist, and other acidic rocks. • Wilkes (Loamy, mixed, active, thermic, shallow Typic Hapludalfs) - is 3.5 percent of the watershed. The series consists of shallow, well drained soils with moderately slow permeability. They. formed in residuum weathered from mixed acidic and basic rocks on sloping to steep uplands. The remaining 2.4 percent of the watershed consists of the following soil types: Altavista, Enon, Gullied Land Louisburg; Tallapoosa, Vance, Water, Wedowee, Wehadkee, and Wickham. 2.4 Historical Land Use and Development Trends 2.4.1 Existing Conditions 2.4.1.1 Reach 1 According to data developed by HDR for the Brushy Fork Watershed Master Plan (1998), shown in Table 1, the majority of the watershed of Reach 1 consists of light density, single-family residential, and general service areas occupying almost equal proportions of the watershed with 26.2 percent (613 acres) and 26.8 percent (627 acres), respectively (Figure 6 and Table 1). The General Services category of land use includes the Smith Reynolds Airport, which occupies the central section of the watershed. Single-family, residential areas occupy the majority of land to the east and south of the airport property. To the west of the airport property the land use is a mixture of manufacturing, retail and wholesale, roadways, and residential areas. In the southeastern corner of the watershed, the land use appears to be predominantly undeveloped with a mixture of residential and retail/wholesale areas (HDR 1998). 2.4.1.2 Reach 2 According to the data developed by HDR, light density, single family residential areas comprise the majority of the current land use within the watershed of Reach 2 at 36.2 percent (2,718 acres) (Figure 7 and Table 2). The majority of this land use type occurs in the northeast and southwest quarters of the watershed. The northwest quarter is mainly occupied by the Smith Reynolds Airport. The airport falls in the land use category of General Services and land use of this type comprises approximately 9.9 percent (745 acres) of the area. Winston Lake Golf Course and Winston Lake are located in the central portion of the watershed and are included in the Undeveloped designation. Undeveloped land is the second largest land use classification in the watershed occupying approximately 28.1 percent (2,115 acres) of the watershed (HDR 1998). 2.4.2 Development Trends Future land use predictions for the watersheds of Reach 1 and Reach 2 are given in Tables 1 and 2, respectively. The predictions indicate that there will be a slight increase in the amount of land in use for general services and retail or wholesale purposes through 2020. These changes will result in a slight Brushy Fork Stream Restoration Plan Forsyth County, North Carolina population decrease as the land devoted to residential housing converts to general services and retail or wholesale. According to the Brushy Fork Watershed Master Plan (HDR 1998), the impervious area of the watershed is 17.8 percent increasing to 18.1 percent by 2020. This increase in impervious area causes less than a 1 percent increase in the 10-year runoff event for the watershed and is not considered significant (HDR 1998). 2.5 Threatened and Endangered Species The site is located in Forsyth County on the Winston-Salem East USGS 7.5-minute quadrangle map. The United States Fish and Wildlife Service (USFWS) and North Carolina Natural Heritage Program (NCNHP) databases were searched for known endangered or threatened species on October 16, 2006 (Table 3). The search yielded one federally listed species within the quadrangle boundaries and three federally listed species in the county. Besides those three, the state lists four other species as state endangered or threatened. The USFWS also lists a mussel species found in the county that is state listed as endangered; however, that species is not listed in the NCNHP database. There is potential for bog turtle (Clemmys muhlenbergii) to be found within the particular quadrangle boundaries; however, no known occurrences of the species in the project area at this time. The bog turtle is federally-listed as threatened and state-listed as threatened due to similarity of appearance (T(S/A)). Bog turtle habitat includes bogs, wet pastures, and wet thickets. The site does not contain any bog turtle habitat and it is unlikely that the restoration would affect any individuals. The project could, however, create habitat for the species in the future. The Red-cockaded woodpecker (Picoides borealis) is listed in the county but not on the quadrangle. This species is federally listed as endangered, listed in the county as historic, and has a notation that it is an obscure and incidental record. The project does not contain any red-cockaded woodpecker habitat; thus there is no potential for the project to impact the species. The brook floater (Alasmidonta varicosa) is a mollusk that is listed in the county by the USFWS; however, that species is not in NCNHP's county database. It is found in Piedmont systems and along the .Blue Ridge escarpment of the Catawba River system. This species inhabits medium size streams and rivers and prefers clean, swift waters with stable gravel, or sand and gravel substrates. This stream system does not support habitat for the species and it is highly unlikely that the species would be found within the site or downstream of the site. The bog rose or dragon's-mouth (Arethusa bulbosa) is a state listed endangered plant species. It is found in mountain bogs with associated species including pitch pine, sheep laurel, dwarf huckleberry, and peatmoss. Habitat is not present for this species. It is highly unlikely that this project would affect any individual plants or habitat for the species. Small-anthered bittercress (Cardamine micranthera) is a state and federally listed endangered species. The species grows primarily in seeps and wet rock crevices of stream banks adjoining sandbars, floodplain depressions, and moist woods near small streams fully to partially shaded by trees and shrubs. It is endemic to the Dan River drainage in Stokes County and historically in Forsyth County. At present, the project reach is characterized by a highly incised channel and is mostly exposed to full sunlight. Small-anthered bittercress is a shade loving plant and it is unlikely that this species occurs within the site or that the project will affect any plants or habitat for the species. 4 Brushy Fork Stream Restoration Plan Forsyth County. North Carolina The yellow fringeless orchid (Platanthera Integra) is state-listed as threatened and has been found in the county but noted as obscure. Habitat for the species includes swamps, pine barrens, and flatwoods (Radford et al. 1968). NCNHP lists the habitat as savannas. The area surrounding the stream does not contain these habitat types; therefore it is unlikely that this project will affect the species or its habitat. Small's Portulaca (Portulaca smallii) is astate-listed threatened species. Habitat for the species includes granite flatrocks and diabase glades. The species is generally restricted to granite outcrops that occur along the outer margin of the Piedmont province. The site does not contain any granite outcrops; therefore, the species will not be affected by the project. The bigeye jumprock (Scartomyzon ariommus), a globally rare fish species, is state-listed as threatened. It is endemic to the upper and middle Roanoke drainage in Virginia and North Carolina and typically occurs in warm montane and upper Piedmont streams (Jenkins and Burkhead 1994). It inhabits deep rocky runs and well-flowing parts of pools of small to medium rivers, usually among large rubble and boulders and rarely in riffles. The site is not within the Roanoke drainage nor does it have deep rocky runs, well-flowing parts of pools, large rubble, or boulders. Due to those factors, it is unlikely that the stream system would support this fish species. 2.6 Potential Constraints The presence of any constraints that have the potential to hinder restoration activities at the site were evaluated. This evaluation focused primarily on the presence of observable hazardous materials, utilities, restrictive easements, pedestrian bridges, protected species or critical habitats, the potential for hydrologic trespass, and existing jurisdictional wetlands. 2.6.1 Property Boundary Options for restoring the project reach are limited due to substantial constraints in Bowen Thomas Park. The design profile and planform are constrained by culverts, easements, ground elevation, mature hardwood forest, and utilities. These constraints, as well as concerns over hydrologic trespass, prohibit a Priority I approach of raising the streambed to match the bankfull elevation with the historic floodplain elevation. 2.6.2 Site Access Site access is not a substantial constraint for this project. Bowen Boulevard provides access to the northern portion of the project reach. The paved greenway path parallels the entire project reach. Old Greensboro Road provides access for the southern portion of the project. Park access maybe limited during construction activities to ensure public safety. 2.6.3 Utilities The west bank of the project reach is constrained by a sanitary sewer main that runs along the length of the project and a radio tower within Reach 2. The left floodplain is constrained by soil stockpile areas. Power poles are also dispersed throughout the length of the Project Reach. The sewer line and any other underground utilities should be located precisely prior to any ground-disturbing activities. 2.6.4 FEMA/Hydraulic Trespass A flood study will be conducted to evaluate the need for a No-Rise, Letter of Map Revision (LOMR), and Conditional Letter of Map Revision (CLOMR). Preliminary .modeling reveals a minor rise in Reach 1. Thus, the project is expected to require CLOMR documentation. The flood study discussed above will assure the design does not create hydrologic trespass issues. The .project is a Priority II restoration and is not expected to create hydrologic trespass. Brushy Fork Stream Restoration Plan Forsyth County, North Carolina 2.6.5 Wetlands Three wetland areas were identified within the site. These areas were located in Piedmont Mountain Bottomland Forest (Schafale and Weakley 1990) at the toe of the slope bordering these communities (see Figures 8 and 9 for approximate locations). All three wetland areas presented similar species composition. Sweetgum (Liquidambar styraciflua), tulip poplar (Liriodendron tulipifera), and silver maple (Ater saccharinum) dominated the upper canopies with red maple (Ater rubrum), river birch (Betula nigra), American sycamore (Platanus occidentalis), ironwood (Carpinus caroliniana), silky dogwood (Corpus amomum), Chinese privet (Ligustrum sinense), elderberry (Sambucus canadensis), and patches of giant cane (Arundinaria sp.) present in the lower strata. The dominant vines occurring in these communities were grape (Vitus spp.), catbrier (Smilax spp.), poison ivy (Toxicodendron radicans), and Japanese honeysuckle (Lonicera japonica). The herb layer was difficult to inventory during the wintertime survey. The soil underlying these wetland areas was identified from the soil survey as the Chewacla series. The series consists of nearly level, somewhat poorly drained soils found on floodplains. Chewacla soils. formed in recent alluvium and are classified as a hydric soil. Standing water was present in all wetland areas. One wetland was located halfway between Bowen Boulevard and New Walkertown Road in the western floodplain. The second was identified near the southern edge of Evergreen Cemetery in the western floodplain. The third wetland was located in the western floodplain approximately 700 feet from Old Greensboro Road. These areas were delineated by the three parameter method (Environmental Laboratories 1987) in the winter of 2002, however jurisdictional concurrence has not been granted by United States Army Corp of Engineers (USAGE). None of the delineated wetlands will be impacted by the proposed restoration activities. All wetlands are outside the limits of disturbance. 2.6.6 Archaeology On October 18, 2006, site files housed at the Office of State Archaeology (OSA) were consulted to determine if any known archaeological resources were located near the proposed Brushy Fork Stream Restoration Site. One previously recorded archeological site is present, site 31Fy808, is located in a plowed field and is approximately 350 feet from the left bank of Brushy Fork. According to the OSA, the prehistoric site does not appear to retain significant information and does not appear eligible for the National Register of Historic Places. No additional archaeological work is recommended. No historic structures or districts listed on the NRHP are located within one mile of the site. Brushy Fork Stream Restoration Plan Forsyth County, North Cazolina 3.0 EXISTING CONDITIONS 3.1 Description 3.1.1 Reach 1 Reach 1 is a perennial, highly incised and degraded stream with several constraints on the belt width. These constraints include the greenway to the east, along with the overhead electrical transmission lines (Figure 8). To the west of the stream, there is a 20-foot sewer easement. A wetland feature lies west of the sewer easement. Bowen Branch enters Reach 1 approximately 235 feet downstream of Bowen Boulevard. The drainage area of Bowen Branch is approximately 1.9 square miles. Within the first 750 feet of Reach 1, downstream of Bowen Boulevard, a terrace has formed. This section of Reach 1 has several meanders; however, the riffle pool sequence does not match the meander pattern. This results in riffles in the outside of meander bends and pools in the straight portions of the channel. There are several stormwater outfall pipes entering Reach 1, including a 48-inch reinforced concrete pipe (RCP) and three 30-inch RCPs. The stream has started to migrate laterally within the straight segments, introducing some sinuosity within the incised channel. The creation of the meander bend pattern at the current elevation is causing mass wasting and severe bank erosion. The bars within the channel tend to alternate between coarse sand to gravel. There is very little vegetation along the reach to stabilize the streambanks and channel. The bank height ranges from 8 to 11 feet within Reach l . The culvert under New Walkertown Road is a double arch culvert (18.8 feet wide by 8.2 feet high). Just downstream of New Walkertown Road, the reach has been stabilized with rock gabion baskets to protect the power pole to the east. The alignment of the culvert has created a severe erosion problem around this power pole. An overhead electric line crosses the stream and runs along the west bank adjacent to the sanitary sewer line. The greenway does not parallel the stream between New Walkertown Road and Frazier Creek. A playing field has been built within the floodplain east of the stream. Approximately 271 feet upstream of the existing footbridge an 8-inch ductile iron pipe for the sanitary sewer line crosses the stream. There is also an abandoned masonry manhole just upstream of the .footbridge. The footbridge crosses Reach 1 just upstream of the confluence of Frazier Creek. The footbridge is a 10-foot wide prefabricated steel bridge with a span of approximately 75 feet. 3.1.2 Reach 2 Reach 2 begins at the confluence of Frazier Creek and Reach 1 (Brushy Fork) and ends at Old Greensboro Road (Figure 9). The reach is constrained by a 36-inch sanitary sewer main and the greenway along the western side. In addition, an overhead electric line runs adjacent to the stream to the west for approximately 1,500 feet. The electric line then crosses the channel and runs adjacent to the stream on the east for the remainder of Reach 2. Reach 2 has five exposed, lateral sewer pipe crossings that are collecting debris in the channel. Two blue line tributaries enter Reach 2. For the first 1,500 feet of Reach 2, the east bank has not been cleared of vegetation and is fairly stable. Downstream of the power line crossing, both banks lack vegetation for approximately 875 feet. A small buffer area remains along the west bank for the next 2,300 feet with the east bank bare due to the overhead electric line. This portion of Reach 2 has developed very little sinuosity and tends to have areas of mass wasting, primarily along the unvegetated banks. A small berm runs along the top of both banks east of Reach 2. The floodplain is lower than the berm throughout. There are several small channels running parallel to the stream in the first 1,500 feet of the reach. These parallel channels could be carrying some of the flow at bankfull in addition to the storage capacity that the low areas provide. Brushy Fork Stream Restoration Plan Forsyth County. North Carolina Land use adjacent to Reach 2 includes a cemetery and a park to the east, and residential areas including an apartment complex to the west. The parking lot for the apartment complex is within 10 feet of the top of the bank in the last 500 feet of the reach. Reach 2 ends at the bridge under Old Greensboro Road. The stream's alignment to the bridge is skewed, suggesting that the channel had previously run through the field to the right within the last section of the reach. 3.2 Soils of the Project Reach The Soil Survey of Forsyth County, North Carolina (USDA 1976), indicates soils present along Reach 1 and Reach 2 of Brushy Fork are Chewacla loam (Figures 10 and 11). The Chewacla series consists of nearly level, somewhat poorly drained soils of stream floodplains. These soils formed in recent alluvium. The Chewacla soil series is recognized by the Natural Resources Conservation Service (NRCS) as a Hydric B soil. Hydric B soils are soils that are hydric or that have inclusions of hydric soils (NRCS, 1995). However, it is also noted that some phases of this soil do not frequently experience floods of long durations. This is likely the case along Brushy Fork because the soils do not exhibit hydric soil conditions except in the areas that were classified as wetlands. 3.3 Existing Plant Communities and Wildlife Observations There are seven distinct vegetative communities in the floodplains and riparian zones adjacent to Brushy Fork (Figures 12 and 13). Four of these community types are described by Schafale and Weakley (1990). Piedmont Mountain Levee Forest. These communities occurred on levee deposits directly adjacent to the stream channel. The upper canopy was dominated by boxelder (Ater negundo), American sycamore, and river birch. Occasional individual sweetgum, tulip poplar, red maple, and silver maple were also present. Species observed in the mid- and low-level canopy strata included ironwood, silky dogwood, Chinese privet, black willow (Salix nigra), giant cane, elderberry, and saplings of the mature upper canopy species. Catbrier, poison ivy and Japanese honeysuckle were present throughout. Invading Japanese knotweed (Microstegium vimineum) was identified throughout the herb layer and has heavily impacted the species composition at this level. Piedmont Mountain Bottomland Forest. These communities were found off the levees in the floodplain adjacent to the stream. In most areas the dominant canopy species were sweetgum, tulip poplar, and silver maple. Also present in these areas were red maple, river birch, American sycamore, ironwood, silky dogwood, Chinese privet, elderberry, and patches of giant cane. The dominant vines occurring in these communities were grape, catbrier, poison ivy, and Japanese honeysuckle. Generally in these areas the mid- and low-level canopy strata contained saplings of the upper canopy species with sweetgum most prevalent. The floodplain south of the confluence with Frazier Creek was atypical in that the canopy was almost entirely populated by American sycamore and the lower strata were almost entirely composed of Chinese privet. The herb layer was difficult to inventory during the wintertime survey, but it has been heavily impacted by the invasion of Japanese knotweed. • Mesic Mixed Hardwood Forest -Piedmont Subtwe. These areas are found on the slopes bordering the Piedmont Mountain Bottomland Forest. Species present in the canopy included sweetgum, tulip poplar, silver maple, and American beech (Fagus grandfolia). The mid- and low-level canopy strata contained saplings of the upper canopy species. The vine species present were grape, catbrier, poison ivy, and Japanese honeysuckle. Brushy Fork Stream Restoration Plan Forsyth County, North Carolina • Sand and Mud Bar. This community was identified in one location on a large terrace near Bowen Boulevard. Sand and Mud Bar communities are too frequently and severely flooded to support a forest canopy and the species composition on this terrace was limited to pokeweed (Phytolacca americana), rush (Juncus sp.), sedge (Carex sp.), and elderberry. Three community types were identified that are not naturally occurring communities, but resulted from human-induced disturbance. Cultivated Grass. On the sewer line right of way and in recreational areas bordering the paved walkway and park, maintained plantings of fescue grass (Festuca arundinacea) and ornamental species were present. • Maintained Power Right of Wad These areas were identified under the electric lines that parallel the stream outside the areas of cultivated grass. Periodic mowing or other maintenance limits species composition to a mixture of herbaceous plants including pokeweed, elderberry, grasses, and blackberry (Rubus sp.). Disturbed/Early Successional Forest. On the west side of Reach 1 from New Walkertown Road, south to close to Evergreen Cemetery, an area was identified that had been impacted by residential development. Species identified were typical pioneer plants including sweetgum, red maple, tulip poplar, Chinese privet, catbrier, Japanese honeysuckle, and rose (Rosa sp.). Several exotic and escaped ornamental plant species were noted in the floodplain. In some of the wetlands, large patches of lilly turf (Liriope spp.) were observed along with some ornamental holly species (Ilex spp.). Chinese privet, Japanese honeysuckle, and autumn olive (Elaeagnus umbellata) were noted throughout the floodplain area, and a thicket of trifoliate orange (Poncirus trifoliata) was also present. Wildlife species were noted during survey periods through direct observation and signs such as tracks and scat. Species observed included Eastern garter snake (Thamnophis sirtalis), blue heron (Ardea herodias), downy woodpecker (Picoides pubescens), and gray squirrel (Sciurus carolinensis). Many common passerine bird species were observed. Species observed included northern cardinal (Cardinalis cardinalis), eastern phoebe (Sayornis phoebe), brown creeper (Certhia americana), Carolina wren (Thryothorus ludoviciantus), song sparrow (Melospiza melodia). Tracks and scat were noted for eastern cottontail (Sylvilagus floridanus), raccoon (Procyon lotor), and muskrat (Ondatra zibethicus). 3.4 Stream Classification 3.4.1 Reach 1 Most of Reach 1 is a Rosgen type FS channel, with a small section of B4c channel (Rosgen 1996). The width to depth ratio ranges from 9.6 to 16.8. The entrenchment ratio is between 1.3 and 2.4 for the entire reach and the slope is approximately 0.39 percent. The sinuosity of Reach 1 is 1.10. The morphologic characteristics are included in Table 4. 3.4.1.1 Dimension The cross sectional area within Reach 1 was measured at five riffle cross sections (see Figure 8 for locations and Appendix B for data). Most of the cross sections did not have bankfull indicators. The first cross section was taken upstream of Bowen Branch to determine the change in channel size due to Bowen Branch. The cross sectional area was approximately 19.4 square feet. This cross sectional area is below the North Carolina Rural Piedmont Regional Curve (Rural Curve) (Harman et al. 2000). The section is impacted by an adjacent power pole and a rip rap lined culvert outfall, perhaps impacting the cross Brushy Fork Stream Restoration Plan Forsyth County. North Carolina section. The second set of cross sections was taken approximately 100 feet downstream of the confluence with Bowen Branch. Across section was taken at each of a riffle, run, pool, and glide. The bankfull cross sectional area of the riffle was 77.6 square feet. This cross sectional area is within the confidence interval of the Rural Curve. The pool had a cross sectional area of 78.8 feet. The remaining three cross sections were taken to demonstrate the typical cross section throughout Reach 1 and had cross sectional areas ranging from 62.3 to 93.7 square feet. These cross sections generally lacked good bankfull indicators. 3.4.1.2 Pattern The sinuosity of Reach 1 is 1.10. The first 750 feet of the reach has one meander wavelength. The radii of curvature for the three curves are 115, 129, and 40, from upstream to downstream. The meander wavelength is approximately 470 feet with belt width of 200 feet. Downstream of these meanders, the reach is straight with high, steep banks. The stream has started to migrate laterally and cause erosion. Downstream of New Walkertown Road, the stream is straight with little meander pattern. 3.4.1.3 Profile Reach 1 lacks a significant riffle-pool sequence. Most of the channel is riffle-run with a few lateral scour pools. A representative longitudinal profile is included in Appendix B. The slope of Reach 1 is 0.39 percent. 3.4.1.4 Channel Substrate Material The channel has fairly course riffles and sandy pools. Much of the finer material in the pools is due to the mass wasting of the streambanks as the stream begins to migrate laterally. Upstream of the impacted reach, the dominant channel material is gravel with some significant bedrock outcropping. The D50 of the channel is approximately 0.6 mm. 3.4.2 Reach 2 Reach 2 is a Rosgen type ES channel (Rosgen 1996). The width to depth ratio is between 9 and 9.9 and the entrenchment ratio is 4.8. The slope is 0.191 percent and the sinuosity is 1.06 (See Table 4 for morphologic characteristics). 3.4.2.1 Dimension Three riffle cross sections and one pool cross section were surveyed for the classification of Reach 2 (see Figure 9 for locations and Appendix B for data). The first riffle cross section had a top of bank area of 128.0 square feet. The second had a top of bank area of 129.5 square feet, and the third riffle cross section had a top of bank area of 138.8 square feet. The reach falls within the confidence interval for the Rural Curve (Harman et al. 2000). The floodplain storage, the storage within Winston Lake, and the small channels within the floodplain could be why this stream falls significantly below the North Carolina Piedmont Urban Regional Curve (Urban Curve). The pool cross sectional area was approximately 183.6 square feet. 3.4.2.2 Pattern Reach 2 lacks defined pattern. The channel is straight with minor curves in the thalweg. The sinuosity is very close to 1.0. Just downstream of Frazier Creek, the channel has created a meander causing Duke Power to remove a power pole from the outside of this bend. The pole has been relocated downstream of this meander. 3.4.2.3 Profile The reach has many riffle-run areas with lateral scour pools. The overall slope of the channel is 0.191 percent. A representative longitudinal profile is included in Appendix B. 10 Brushy Fork Stream Restoration Plan Forsyth County. North Carolina 3.4.2.4 Channel Substrate Material The reach is predominately sand and has a significant sediment load entering from the Frazier Creek watershed. The D50 of the stream channel is approximately 0.6 mm. 11 Brushy Fork Stream Restoration Plan Fors, h County, North Carolina 4.0 STREAM REFERENCE REACH STUDIES 4.1 Silas Creek, Winston-Salem, NC The segment of Silas Creek surveyed for reference data collection is located within the City of Winston- Salem and can be found on the Rural Hall USGS 7.5-minute quadrangle map. The segment of Silas Creek is located approximately 4.5 miles west of the project reach. The reference reach begins southwest of the intersection of Wake Forest and Reynolda Roads, approximately 250 feet downstream of the Reynolda Road crossing. The reference reach is located in the Southern Outer Piedmont Level IV Ecoregion (Griffith et al. 2002). The reference reach has a watershed area of approximately 3.3 square miles (2,082 acres). The stream runs roughly east to west. This portion of Silas Creek's watershed has approximately 30 percent light density residential land use. Industrial facilities and associated paved areas occupy 25 percent. Park-like. or vegetated areas including Oldtown Golf Course, Woodland and Odd Fellows Cemetery, and the campus of Wake Forest University occupy most of the remaining 55 percent of the watershed. 4.1.1 Stream Classification Reference data were collected along 400 feet of Silas Creek. The reference reach is a third order type B4c stream. The reach had an average riffle cross sectional area of 43.3 with a width to depth ratio of 15.6. The entrenchment ratio was approximately 1.4. The sinuosity was 1.1. The radius of curvature ranged from 19.5 to 54 feet. Morphological data are located in Table 4 and Appendix C. The reference reach appears to be functioning well and maintaining a stable dimension, pattern, and profile such that channel features are being maintained. 4.1.2 Soils of the Reference Reach Like Brushy Fork, the soil association dominant in Silas Creek's watershed is the Pacolet-Cecil association. The series in this group are typified by well-drained, brownish, loamy soils that have reddish clayey subsoil found on uplands. The soils of the watershed include Cecil, Madison, Pacolet, Wehadkee, and small amounts of Appling, Chewacla, and Hiawasee. (USDA 1976). Soils along the reference reach include Wehadkee, Chewacla, Pacolet, and Cecil. Wehadkee and Chewacla soils are listed as hydric (NRCS 1995). Pacolet and Cecil are upland soils. 4.1.3 Vegetation Silas Creek lies in a Piedmont Bottomland Hardwood Forest grading to a Mesic Mixed Hardwood Forest (Schafale and Weakley 1990). The canopy adjacent to the reference reach contains river birch, American sycamore,. sweetgum, and tulip poplar. Upslope were northern red oak (Quercus rubra), white oak (Quercus alba), and American beech. The mid- and low-level canopy stratum was not dense and contained ironwood and saplings of the mature upper canopy species. Vines included grape, catbrier, poison ivy, and Japanese honeysuckle. The herb layer was very sparse and difficult to inventory during the wintertime survey. Wildlife species were noted during survey periods through direct observation and sign such as tracks and scat. Raccoon was the only mammalian species identified by track or scat. Gray squirrel was the only mammalian species directly observed. Many common passerine bird species were noted. 12 Brushy Fork Stream Restoration Plan Forsyth County, North Carolina 4.2 Unnamed Tributary to Belew's Creek, Kernersville, NC The Unnamed Tributary to Belew's Creek is located in Forsyth County, NC and can be found on the Belew's Creek USGS 7.5-minute quadrangle map. The reference reach is located just upstream of the confluence with Belew's Creek, about 1.2 miles downstream (north) of SR 2014 and 1.1 miles southwest of the intersection of NC 158 and Old Flat Rock Road. The reference reach is located in the Southern Outer Piedmont Level IV Ecoregion (Griffith et al. 2002). The watershed area is approximately 3.4 square miles. The stream runs south to north and drains some of the northern residential areas of Kernersville. The land use within the watershed includes residential development and open land, including forest and managed herbaceous. The floodplain is undeveloped throughout the watershed. 4.2.1 Stream Classification The Unnamed Tributary to Belew's Creek is an ES type stream channel with an average riffle cross sectional area of 27.4. The pool cross sectional area was 27.9 square feet with a width of 13.1. The width to depth ratio ranged from 6.3 to 9.1 and the entrenchment ratio was 34.7. The bank height ratio was 1.0. The stream has a sinuosity of 1.2 and a radius of curvature to bankfull width ratio of 1.11 to 1.93. These data can be found in Table 4 and Appendix C. The reference reach appears to be functioning well and maintaining a stable dimension, pattern, and profile such that channel features are being maintained. 4.2.2 Soils of the Reference Reach The soil associations dominant in the Unnamed Tributary to Belew's Creek watershed are the Pacolet- Cecil, Madison-Pacolet, Wilkes-Enon, and the Chewacla-Wehadkee-Congaree associations. The series in the Pacolet-Cecil association are typified by well-drained, brownish, loamy soils that have reddish clayey subsoil found on uplands. Those of the Madison-Pacolet association are typically well-drained, reddish and brownish, loamy soils that have a reddish clayey subsoil found on uplands. The series in the Wilkes- Enon association are typified by well-drained, brownish loamy soils that have a yellowish clayey subsoil found on uplands. The Chewacla-Wehadkee-Congaree association consists of somewhat poorly to poorly drained soils with grayish and brownish loamy soils that have dominantly grayish subsoil and well drained brownish loamy soils that have yellowish loamy subsoils found on floodplains that are subject to overflow. The soils of the watershed include Appling, Cecil, Chewacla, Enon, Hiwassee, Louisburg, Madison, Pacolet, Vance, Wehadkee, and Wilkes. (USDA 1976). The soil along the reference reach is mapped as Wehadkee. Wehadkee is listed as a hydric soil (NRCS 1995). 4.2.3 Vegetation The floodplain is dominated by a Piedmont Mountain Bottomland Forest community. Canopy species in this area were sweetgum and tulip poplar. Red maple and American sycamore were also present. The mid- and low-level canopy strata contained saplings of the upper canopy species with sweetgum and red maple most prevalent. Ironwood and Chinese privet were also observed. Vines observed in this area were grape, catbrier, poison ivy, and Japanese honeysuckle. The herb layer was sparse and difficult to survey due to snowy winter conditions, however the exotic Japanese knotweed was identified. 4.3 Unnamed Tributary to Richland Creek at Lake Jeannette, Greensboro, NC This restoration reach is located within the City of Greensboro and can be found on the Lake Brandt USGS 7.5-minute quadrangle map. The stream is located in the Southern Outer Piedmont Level IV Ecoregion (Griffith et al. 2002). 13 Brushy Fork Stream Restoration Plan Forsyth County. North Carolina The reference reach is located approximately three miles west of Lake Jeannette. Surveying began approximately 550 feet upstream of the Regents Park Road crossing. The reference reach has a watershed area measuring approximately 0.18 square miles (115.2 acres). The stream runs north to south from a slope south of Beacon Wood Road and drains into Richland Creek, which then runs into Lake Jeannette (formerly Richland Lake). Land use in this watershed is a mixture of forested area and light residential development. 4.3.1 Stream Classification Reference data were collected from a 500-foot section of the channel. The reference reach is a first order, ES type stream (Rosgen 1996). The average cross sectional area of the riffle was 20.4 square feet and the pool was 26.4 square feet. The width to depth ratio ranged from 7.2 to 10. The entrenchment ratio ranged from 3.7 to 4.7 throughout the reach. Morphological data are located in Table 4 and Appendix C. The Unnamed Tributary to Richland Creek reach appears to be functioning well and maintaining a stable dimension, pattern, and profile such that channel features are being maintained. 4.3.2 Soils of the Reference Reach The watershed containing this Unnamed Tributary to Richland Creek is dominated by the Cecil-Madison association. This soil association is found on gentle, well drained slopes and is a sandy clay loam on clay subsoil (USDA 1977). Three soils from this association are found in the watershed: Cecil, Vance, and Chewacla. The soils underlying this stream are predominantly of the Cecil group, although near the Regent's Park Road crossing there is an area of hydric Chewacla soil (USDA 1977; NRCS 1995). 4.3.3 Vegetation The reference reach is situated in a Piedmont Bottomland Hardwood Forest grading to a Dry-Mesic Oak Hickory Forest (Schafale and Weakley 1990). The canopy adjacent to the stream contains northern red oak, willow oak (Quercus phellos), sweetgum, tulip poplar, white oak, and American beech. The mid- and low-level canopy stratum was not dense and contained ironwood and saplings of the mature upper canopy species. Vines were infrequent and included grape, catbrier, poison ivy and Japanese honeysuckle. The herb layer was very sparse and difficult to inventory during the wintertime survey. During the survey period, wildlife species were noted through direct observation and sign such as tracks and scat. Only raccoon. was identified by track or scat. No mammalian species were directly observed. Many common passerine bird species were noted. 14 Brushy Fork Stream Restoration Plan Forsyth County, North Carolina 5.0 RESTORATION PLAN 5.1 Reach 1 Stream Classification For Reach 1, a B4c type stream channel is proposed (Figure 14). A Rosgen Stream Classification of B4c describes a stream that exists primarily on moderately steep to gently sloped terrain, and has a low sinuosity. This stream type is described as moderately entrenched with a width to depth ratio greater than 12 with gravel as the dominant bed material and a slope less than 0.02. Since the existing channel is approaching this stream type, the new channel will include a bankfull bench to increase the area available for flood flows. The meander pattern has been set to avoid the utilities adjacent to the stream. 5.1.1 Dimension The cross sectional area proposed downstream of Bowen Branch to the confluence with Frazier Creek has an area of approximately 78 square feet. The cross sectional area was chosen based upon the existing cross sectional area of the stream. Since the stream is significantly below the Urban Curve and just within the confidence interval. of the Rural Curve, the existing area was chosen from a stable riffle. The riffle was surveyed after a bankfull event to ensure that the dimensions remained stable. The cross section had very slight variations and the two surveys show the cross sectional area had a variation of 1.5 square feet. This variation could be due to not having established a permanent cross section to ensure that the cross section was taken in the exact location as previously surveyed. The width to depth ratio for the proposed channel is 11.4. The width to depth ratio was lowered to improve the sediment transport capacity of the reach (Figure 15). Comparison of the calculated bankfull area and the bankfull discharge estimated by the Rural Curve shows good con•elation. Reach 1 has a calculated area and discharge of 79.7 square feet and 356 cubic feet per second (cfs) respectively. The Rural Curve estimates a bankfull discharge of about 375 cfs. A bankfull bench has been included in the cross section. Where space is available, a 25-foot bench on either side of the stream will be incorporated.. In many cases, the sewer line, greenway, and power line will dictate how wide the bench will be. The bench width will be maximized while maintaining a 3 to 1 slope to meet the existing ground. 5.1.2 Pattern The sinuosity of the proposed stream is 1.11 with a radius of curvature range of 67 to 105 feet with a ratio of 2.2 to 3.5. Due to the risk of failure in a constructed stream, the radius of curvature to bankfull width ratio is typically no less than 2.0. In addition, the constraints within this reach limited the available belt width. In most cases, the reference reaches were very well vegetated with mature vegetation, contributing to their ability to maintain a stable meander with less than a 2.0 radius of curvature ratio. The proposed channel will not have this type of vegetation available to protect the stream banks following construction, therefore rock vanes and root wads will be used to protect the meander bends (see Appendix D for vane details). 5.1.3 Profile The profile of the channel will be improved to allow for defined riffles and pools. The existing slope of the stream is 0.45 percent. The slope will decrease slightly as a result of the change in length of the channel. The slope is dictated by the existing culvert under Bowen Boulevard and the culvert under New Walkertown Road. The maximum riffle slope will be 1 percent and the minimum will be 0.6 percent. The riffle length ranges from 20 feet to 95 feet with most falling between 30 feet and 50 feet. The longer riffles will include a rock cross vane to provide bed stability and a downstream scour pool. The pool to pool spacing ratio ranges from 1.5 to 5.3. This is outside of the range of the reference reach due to some long riffle areas that had to be incorporated to provide a stable area around the sewer pipe crossings. 15 Brushy Fork Stream Restoration Plan Forsyth County, North Carolina 5.1.4 Sediment Transport Analysis The existing shear stress in the channel was calculated to be 0.62 pounds per square foot using the following equation: Equation 1 a=62.4*R*S Where: 62.4 =density of water lbs/cu ft R =hydraulic radius ofthe stream (ft) (Area/wetted perimeter) S =Channel Slope (ft/ft) The particle size from. Shield's diagram (Leopold et al. 1964) is approximately 39 mm. The proposed channel has an increased hydraulic radius of 2.5, which increases the shear stress to 0.7 pounds per square foot. The particle size from Shield's diagram is approximately 44 mm. The maximum particle size found in the subpavement sample was 120 mm. The two largest particles were thrown out of the sample per Rosgen's statement that if you collect "larger particles from the subpavement than from the pavement layer, do not use these big rocks to determine the largest particle size" (Rosgen 2002).. The next largest particle group was used to determine the largest particle size. The largest particle size found in the next group was 56 mm. The data on Shield's diagram is limited in this region. The increase in shear stress will help ensure that the larger particles are entrained. The critical dimensionless shear stress was calculated to be 0.02. The required bankfull mean depth was calculated to be 1.5 feet and the required slope was calculated to be 0.24 percent. Equation 2 z * ci = 0.0384 * (Di / D50)-0.ss' Where: Di =largest particle in the subpavement D50 =median diameter of the pavement sample This equation was used because the ratio of D50/D50 was not between 3.0 and 7.0 5.2 Reach 2 Stream Classification For Reach 2, an ES type stream channel is proposed (Figure 16). The existing stream has a low width to depth ratio and any increase in that width to depth ratio will reduce the sediment transport capacity. Therefore, the width to depth ratio was not increased. The floodplain will be enhanced by the removal of the small berms that run adjacent to the channel, allowing better access to the floodplain. 5.2.1 Dimension. The cross sectional area of the riffle will be 131 square feet with a width to depth ratio of 9.5. The entrenchment ratio will be 2.9. The cross sectional area was determined by surveying the top of bank area of the existing stream channel. The existing channel is well below the Urban Curve which predicted a cross sectional area of over 200 square feet and above the Rural Curve. Therefore, it was determined that the existing cross section provides the best estimate of the bankfull cross sectional area. The mean bankfull discharge is 356 cfs for Reach 1 and 593 for Reach 2 (Figure 17). 16 Brushy Fork Stream Restoration Plan Forsyth County. North Carolina Comparison of the calculated bankfull area and the bankfull discharge estimated by the Rural Curve shows good correlation. Reach 2 has a calculated area and discharge of 132.1 square feet and 593 cfs. The Rural Curve predicts a bankfull discharge of about 650 cfs. Where applicable, the proposed channel will include a bankfull bench. Since the existing floodplain is at the top of bank, this should not be necessary throughout most of the reach. 5.2.2 Pattern The sinuosity of the proposed channel is 1.07 with a radius of curvature range of 70 to 120 feet, and a ratio of 2.0 to 3.4. As in Reach 1, due to the risk of failure in a constructed stream, the radius of curvature to bankfull width ratio is typically no less than 2.0. The constraints within this reach limited the available belt width. In most cases, the reference reaches were very well vegetated with mature vegetation, contributing to their ability to maintain a stable meander with less than a 2.0 radius of curvature ratio. The proposed channel will not have this type of vegetation available to protect the stream banks following construction; therefore rock vanes and root wads will be used to protect the meander bends (see Appendix D. for vane details). 5.2.3 Profile The profile of the channel will be improved to allow for defined riffles and pools. The existing slope of the stream is 0.189 percent. The will decrease slightly due to the change in channel length. The slope is dictated by the bridge at Old Greensboro Road and the elevation of Frazier Creek as it enters Brushy Fork. The maximum riffle slope will be 0.5 percent and the minimum will be 0.3 percent. The longer riffles will include a rock cross vane to provide bed stability and a downstream scour pool. The pool to pool spacing ratio ranges from 1.6 to 4.1. This is outside of the range of the reference reach due to some long riffle areas that had to be incorporated to provide a stable area around the lateral sewer pipe crossings. 5.2.4 Sediment Transport Analysis As in Reach 1, the shear stress in the channel was calculated using Equation 1. The shear stress of the existing channel is 0.42 pounds per square foot. Shield's diagram (Leopold et al. 1964) yields a particle size of approximately 25 mm. The proposed channel will have shear stress of 0.43 which gives a particle size of approximately 26 mm. The data surrounding 0.4 pounds per square foot on Shield's diagram indicate that the channel may have the ability to move a particle size around 35 mm. The largest particle found in the subpavement sample was 33 mm. The slight increase in shear stress will help improve the sediment transport capacity of the channel. The critical dimensionless shear stress calculation is not appropriate for this channel due to the large quantities of sand. FEMA has conducted a flood study for the site. Restoration activities will require a flood study for the project reach and coordination with the local floodplain administrator. 5.3 HEC Analysis 5.3.1 No-Rise, LOMR, CLOMR A flood study will be conducted to evaluate the need for a No-Rise, LOMR, and CLOMR. Preliminary modeling reveals a minor rise in the upstream reach (Reach 1). Thus, the project is expected to require CLOMR documentation. 17 Brushy Fork Stream Restoration Plan Forsyth County, North Carolina 5.3.2 Hydrologic Trespass The flood study discussed above will assure the design does not create hydrologic trespass issues. The project is a Priority II restoration and is not expected to create hydrologic trespass. 5.4 Proposed Vegetative Communities The proposed vegetative community is shown on Figures 18 and 19. The proposed buffer community is Bottomland Hardwood with Shrubs. Constraints along the stream dictate the vegetative species to be planted. The overhead electrical transmission line is the major constraint along the stream that will affect the choice of vegetation to be planted. Along the entire stream restoration, the desired community to be created is a bottomland hardwood forest, however, where confined by the overhead electrical transmission line, the community be limited in height and consist mostly of shrubs. In the areas that the overhead electrical transmission line occurs within the -new stream design, the vegetation will be limited to species that are unlikely to ,get over 15-20 feet tall. This will limit the need for pruning and the possibility of line interruption from falling trees and limbs. Therefore, this limits the species to herbaceous (Table 5) and shrubby forms (see Tables 7 and 9). Before revegetation of the stream occurs, there is preparation work that must be done in areas of the proposed stream channel. There is a great need for eradication of exotic species in along the project reach. Silverberry (Elaeagnus umbellata), Chinese privet, and Japanese honeysuckle are present along the project reach and pose a threat to newly planted species. These are fast growing species that will create a monoculture and out-compete the plant communities that are being proposed along the project reach. Erosion control matting will be used to maintain soil stability along the streambanks until the vegetative communities are established. A temporary seed mixture will be used once the matting has been installed. The mixture will consist of either rye or millet. Upon completion of construction, a permanent seed mixture will be applied (Table 5). The perennial or permanent seed mix will consist of only native plant species of both grasses and herbs. The seed mix will be used in all of the disturbed areas from upslope down to the bankfull elevation and in any areas where construction activities have disturbed the soil. This seeding will occur in addition to other plantings and the temporary seed mix that will also take place in those same areas of disturbance. Live stakes will also be used in the area along the streambank on the outside of meander bends (Table 6). These will be planted at a density of 2 to 4 stakes per square yard and in a random fashion to appear more natural. The species were selected based on success rates in use as live stakes and availability at the site. The site contains boxelder that could be used for live stakes; however, the success rate of boxelder is significantly less than the other species. Bare root vegetation will be used along the streambank and also on the bankfull benches, floodplain, and slope areas. Table 8 shows tree species for all construction areas where trees will be used. Table 7 shows shrubs to be used in the riparian areas. Table 9 consists of shrubs that will be planted on the slopes as bare root stock. The tree species will be planted randomly and the shrubs will be planted in groups of 2 to 3, but randomly arranged along the stream channel to promote a more natural appearance. Well established Bottomland Hardwood Forests are present along portions of the project reach. Forests are present below the confluence with Frasier Creek and below the cemetery. In these areas, efforts will be made to limit the construction area in order to preserve as much of the natural plant community as 18 Brushy Fork Stream Restoration Plan Forsyth County, North Carolina possible. Shrubs and herbs will be planted below the mature canopy to provide food and covet for wildlife. 19 Brushy Fork Stream Restoration Plan Forsyth County. North Carolina 6.0 PERFORMANCE CRITERIA Performance criteria and monitoring protocol will follow that outlined within the Mitigation Plan and detailed in the USAGE Stream Mitigation Guidelines (USAGE et al. 2003). Monitoring shall consist of the collection and analysis of stream stability and riparian vegetation survivability data to support the evaluation of the project in meeting established restoration objectives. Data collection will include measurements of stream dimension, profile, pattern, and bed materials, photo documentation, vegetation survivability sampling, and stream bankfull return interval. Monitoring will be performed each year for a five year period, with no less than two bankfull flow events documented through the monitoring period. If less than two events occur during the first five years, monitoring will continue until the second bankfull event is documented. 6.1 Stream Geometry Permanent cross sections will be established at intervals of approximately 500 feet, depending on the reach, to measure dimension. Measurements taken at these cross sections will be sufficient to determine the width to depth ratio, entrenchment ratio, and low bank height ratio (low bank height/maximum bankfull depth). Pattern measurements will include sinuosity, meander width ratio, and radius of curvature only on newly constructed meanders. The longitudinal profile will include slope measurements of the pools and riffles and pool to pool spacing. Weighted pebble counts will be performed in both riffles and pools. Over time, the D50 and D85 should increase in coarseness in the riffles and increase in fineness in the pools as particles settle out. Permanent photo points will be established. Photo points will occur throughout the project reach and will include riffles, pools, meanders, and structures. At least one photo per cross section will be taken. In a manner that will include the streambank and channel 6.2 Vegetation The vegetation along the stream should act as a riparian buffer zone to stabilize the stream banks. The plantings along the stream channel will consist of native vegetation. Evaluation of planted vegetation survival will be measured based upon the guidelines outlined in the CVS-EEP Protocol for Recording Vegetation. Ten meter by 10 meter plots will be established per the protocol. A survival rate of 80 percent is required. A tolerance of 10 percent mortality rate will be acceptable for years four and five. The final vegetated success criteria will be survival of 260 trees per acre through year five (USAGE et al. 2003). In the event that the survival rate is below 260 trees per acre prior to year five, the contractor will re-plant. 6.3 Monitoring Schedule and Methods URS will prepare a Mitigation Plan in accordance with EEP guidelines (September 20, 2005). Existing data obtained during the assessment and design phases of the project will be used to the extent possible. Following construction, permanent stream monitoring cross sections, vegetation plots, and photo points will be established along the project reach. Rebar and PVC pipe will be used to mark the locations. The selected construction contractor will survey these points during the execution of the as-built field survey. The contractor shall supply a complete and properly sealed As-Built Survey for inclusion in the 20 Brushy Fork Stream Restoration Plan Forsyth Count~North Carolina Mitigation. The Mitigation Plan will be formatted and submitted in a three-ring binder format to allow the latter inclusion of yearly project Monitoring Reports. Monitoring Data will be analyzed to evaluate the project status in relation to the established success criteria. A Monitoring Report will be produced that will contain appropriate documentation, field data, engineering computation, and photographs. The yearly Monitoring Reports will be prepared and submitted each year after monitoring tasks are completed. The report will provide the new monitoring data and compare the new data against data from the previous years. Data, cross sections, profiles, photographs, and other graphics will be included in the report as necessary. The report will include a discussion of any significant deviations from the As-Built Survey, as well as evaluations as to whether the changes indicate stabilizing or de-stabilizing conditions. Annual reports with the As-Built Survey, monitoring, and any corrective actions will be sent to DWQ for written concurrence within 6 months of the completion of the monitoring. 6.4 Scheduling and Reporting Construction is expected to commence in 2007. The As-Built Survey will be completed within 30 days of project completion. Monitoring will begin one year from project completion. 21 BrushxFork Stream Restoration Plan Fors h County, North Carolina 7.0 REFERENCES Environmental Laboratory. 1987. Corps of Engineers Wetlands Delineation Manual. Technical Report Y-87-1. US Army Engineer Waterways Experiment Station, Vicksburg, Mississippi. Griffith, G.E., Omernik, J.M., Comstock, J.A., Schafale, M.P., McNab, W.H., Lenat, D.R., MacPherson, T.F., Glover, J.B., and V.B. Shelburne. 2002. Ecoregions of North Carolina and South Carolina, (color poster with map, descriptive text, summary table, and photographs): Reston, Virginia, U.S. Geological Survey (map scale 1: 1,500,000). Harman, W.A., Jennings, G.D., Patterson, J.M., Croton, D.R., Slate, L.O., Jessup, A.G., Everhart, J.R., and R.E. Smith. 2000. Bankfull Hydraulic Geometery Relationships for NC Streams. NC Stream Restoration Institute. http://~titivw.bae.ncsuipro~rams!extension/wq /sg ri/re~ional.htin. HDR. 1998. Brushy Fork Watershed Master Plan. City of Winston-Salem, North Carolina. NRCS. 1995. Hydric Soils List for North Carolina. http://soils.usda.gov/soil use/hydric/states/nc.htm. Jenkins, Robert E. and Noel M. Burkhead. 1994. Freshwater Fishes of Virginia. American Fisheries Society. Bethesda, Maryland. Leopold, Wolman, and Miller. 1964. Laboratory and Field Data on Critical Shear Stress Required to Initiate Movement of Grains. The Reference Reach Field Book. Radford, Albert E., Ahles, Harry E., and Ritchie C. Bell. 1968. Manual of the Vascular Flora of the Carolinas. The University of North Carolina Press, Chapel Hill. 1183 pp. 1987 last printing. Rosgen, Dave. 1996. Applied River Morphology. Wildland Hydrology,Inc. Pagosa Springs, Colorado. Rosgen, Dave. 2002. Procedures from River Assessment and Monitoring via Angela Jessup. Schafale, M.P. and A.S. Weakley. 1990. Classification of the Natural Communities of North Carolina. Third Approximation, North Carolina Natural Heritage Program, Division of Parks and Recreation, N.C. Department of Environment, Health, and Natural Resources. USACE. 2003. Stream Mitigation Guidelines. A workgroup consisting of representatives from U.S. Army Corps of Engineers, Wilmington District (District), North Carolina Division of Water Quality (DWQ), U.S. Environmental Protection Agency, Region IV (EPA), Natural Resources Conservation Service (NRCS) and the North Carolina Wildlife Resources Commission (WRC). Apri12003. USDA. 1976. Soil Survey of Forsyth County, North Carolina. US Department of Agriculture, Natural Resources Conservation Service (USDA, NRCS). USDA. 1977. Soil Survey of Guilford County, North Carolina. US Department of Agriculture, Natural Resources Conservation Service (USDA, NRCS). 22 Brushy Fork Stream Restoration Plan Forsyth County. North Carolina 8.0 TABLES. Table 1 _ Reach 1 Watershed T.and Ilse C'haracterisNcs. L aND USE* l 997 2010 ' 2020 of Watershed Acres % of Watershed Acres % of Watershed Acres General Services 26.8 627 28.0 656 28.8 673 Single Family Residential - Li ht Densi 26.2 613 24.3 568 23.3 545 Water, Undevelo ed 18.4 431 18.4 431 18.4 431 Existing Roads and Pavement 12.9 303 13.0 304 12.9 303 Unclassified 6.4 150 6.4 150 6.4 150 Retail/Wholesale -High Densit 3.3 78 3.5 82 3.6 84 Single Family Residential - Hi h Densit 1.5 34 1.5 34 1.3 31 Institutional 1.2 28 1.2 28 1.2 28 Manufacturing -High Densi 0.9 20 0.9 20 0.9 20 Trans ortation Facilities 0.9 20 0.9 20 0.9 20 Retail/Wholesale -Light Densi 0.9 20 1.4 33 1.8 42 Other** 0.7 16 0.6 14 0.6 13 TOTAL 100 2340 100 2340 100 2340 *Compiled from data developed by HDR for the Brushy Nbrk Watershed Master Ylan (t`J`J2S). **Consists of Multi-family Residential, Parking Lots and Decks, Auto Repair/Service, and Manufacturing -Light Density. 23 Brushy Fork Stream Restoration Plan Forsyth County, North Carolina Table 2. Reach 2 Watershed Land Use Characteristics. LAND USE* 1997 2010 2020 of Watershed Acres % of Watershed Acres % of Watershed Acres General Services 9.9 745 11.0 827 12.2 914 Single Family Residential - Li ht Densi 36.2 2718 33.6 2525 31.6 2374 Water, Undevelo ed 28.1 2115 28.1 2115 28.1 2115 Existing Roads and Pavement 10.1 757 10.1 757 10.1 757 Unclassified 4.9 369 4.9 369 4.9 369 A ricultural 3.5 265 3.5 265 3.5 265 Retail/Wholesale -High Densit 1.1 84 2.2 167 2.7 204 Single Family Residential - Hi h Densit 1.9 140 1.7 131 1.7 126 Institutional 1.7 130 1.7 130 1.7 130 Retail/Wholesale -Light Densi 1.0 77 1.5 115 2.0 148 Other* * 1.6 118 1.5 116 1.5 114 TOTAL 100.0 7517*** 100.0 7517 100.0 7517 *Compiled from data developed by HDR for the Brushy Fork Watershed Master Plan (1998). **Consists of Multi-family Residential, Parking Lots and Decks, Auto Repair/Service, and Manufacturing -Light Density. ***The total acreage of the watershed is 7545. This number differs slightly due to a small area of missing data for the land use coverage. 24 Brushy Fork Stream Restoration Plan Forsyth County, North Carolina Table 3. Federal and State Protected Plant and Animal Species Potentially Occurring in the Proiect Area. SCIENTIFIC NAME COMMON NAME FEDERAL STATUS STATE STATUS RECORD STATUS Picoides borealis Red-cockaded Wood ecker E E Historic Alasmidonta varicosa Brook Floater FSC E Current Arethusa bulbosa Bo Rose -- E Obscure Cardamine micranthera Small-anthered bittercress E E Historic Platanthera rote ra Yellow frin Bless orchid -- T Obscure Portulaca smallii Small's ortulaca -- T Historic Clemm s muhlenber ii Bo turtle T T S/A Current Scartom zon ariommus Bi e e 'um rock -- T Current E -Endangered T -Threatened FSC -Federal Species of Concern T(S/A) -Threatened due to Similarity of Appearance 25 Fork Stream Restoration Plan Table 4. MOruholo>=1Ca1 Characteristics of the F.xistinu and Prnnnsed ("'hannel and Reference Rearhec Forsyth County, North Carolina ARIABLES EAN/RANGE XISTING CHANNEL REACHI ROPOSED CHANNEL REACHI XISTING CHANNEL REACH2 ROPOSED CHANNEL REACH2 ILAS CREEK REFERENCE REACH UNNAMED TRIBUTARY TO BELEW'S CREEK REFERENCE REACH UNNAMED TRIBUTARY TO RICHLAND REFERENCE REACH Stream T e FS->B4c B4c ES ES B4c ES ES Drainage Area mt 3.7 3.7 11.3 11.3 3.3 3.4 0.17 Bankfull width Mean: 32.2 30 35.3 35 26 14.4 13.3 (ft) Ran e: 23.9-41.6 33.5-37.1 25-26.8 13.5-15.3 12-14.6 Bxnkfnll Mean Mean: 2.48 2.6 3.74 3.7 1.67 1.95 1.53 D th ft Ran 2.1-3.3 3.7-3.8 1.66-1.68 1.7-2.2 1.4-1.7 Width/Depth Mean: 13 11.4 9.4 9.5 15.6 7.6 8.6 Ratio Ran e: 9.6-16.8 9-9.9 15.1-17.9 6.3-9.1 7.2-10 Bankfall Cross- Mean: 79.7 77 132.1 131 43.3 27.4 20.4 sectional Area Ran 62.3-93.7 128-138.8 41.4-45.2 25.7-29.1 18.8-21.4 Bankfull Mean Velocity (ft/s) annin s Mean: 4.8 5 4.5 4.6 4.8 4.8 3.4 Bsnkfnll Discharge (efs) min Mean: 356 395 593 602 216 125 72.1 Bankfull M i D th Mean: 3.6 4.2 6 5.8 2.6 2.7 2.5 ax mum ep dmax ft Ran e: 3.2-4.5 5.6-6.4 2.4-2.8 2.3-3.1 2.3-2.9 Maz drdf/dbkf Mean: 1.5 1.6 1.6 1.6 1.6 1.4 1.6 ratio Ran L3-1.$ 1.5-1.7 1.4-1.7 1.2-1.6 1.5-1.9 Low bank height Mean: 2.3 1 1 1 2.1 1 1.08 to Max (ft) Ran e: 1.5-3.6 2-2.2 1 1.0-1.2 Width of Flood Pro Are Mean: 55.7 >60 169 >100 37.4 >200 56 nt a R Rms 42.1-78.1 106-200 37.2-37.6 49-63 Entrenchment Mean: 1.7 2 4.8 2.9 1.4 34.7 4.2 ratio (wfpa/wbkf) Ran e: 1.3-2.4 3-5.7 1.4-1.5 32.7-37.0 3.7-4.7 Meander Length Mean: 470 185 N/A 197 168.3 87.5 44 (Lm) ft Ran : 106-270 90-303 130-245 74-101 22-69 Ratio of Meander Length to Mean: 14.6 6.2 N/A 5.6 6.5 6.04 3.2 Bankfull Width m/wb Ran e: 3.5-9 2.6-8.7 5-9.4 5.48-6.6 1.6-5.1 Radios of Mean: 95 85 N/A 91 41.25 21.5 10 Cnrvatare c) Ran e: 40-129 67-105 70-120 19.5-54 16-27 6.5-23.6 26 Brushy Fork Stream Restoration Plan Forsyth County. North Carolina UNNAMED TRIBUTARY TO UNNAMED BELEW'S TRIBUTARY TO EXISTING PROPOSED EXISTING PROPOSED SII.AS CREEK CREEK RICHLAND CHANNEL CHANNEL CHANNEL CHANNEL REFERENCE REFERENCE REFERENCE VARIABLES MEAN/RANGE REACH 1 REACH 1 REACH 2 REACH 2 REACH REACH REACH Ratio of Radius of Curvature to Mean: 3.0 2.8 N/A 2.6 1.6 1.52 0.7 bankfull Width c/wb Ran e: 1.2-4 2.2-3.5 2-3.4 0.8-2.1 1.11-1.93 .5-1.7 Belt Width (wblt) Mean: 200 SS N/A 65 43.7 31.5 44 ft Ran e: 39-64 48-89 40-51 31-32 44-45 Meander Width Mean: 6.2 1.8 N/A 1.9 1.7 2.19 3.2 Ratio (wblt/wbkfj Ran e: 1.3-2.1 1.4-2.5 1.5-2.0 2.15-2.22 3.2-3.3 Sinuosity (stream Iength/valley 1.10 1.11 1.06 1.07 1.1 1.2 1.8 distance Valley Slope ft/ft 0.427% 0.427% 0.202% 0.202% 0.8% 0.8% 0.7% Average Slope 0.388% 0.386% 0.191% 0.189% 0.7% 0.7% 0.4% sa P l Sl l Mean: 0.05% 0 0.10% 0 0.07% 0.06% 0.38% oo ope (spoo ) Ran e: 0-0.1% 0-0.28% 0-0.2% 0-0.11% Ratio of Pool Sl A t Mean: 0.1 0 0.52 0 0.1 0.1 1 ope o verage Sloes oVsb Ran e: 0-0.25 0-0.3 0-0.2 Maximum Pool Mean: 5 7 8.4 7.5 4 4.6 3.2 Depth (dpool) (ft) Ran e: 4.7-5.3 3.1-3.3 Ratio of Pool Depth to Average Mean: 2 2.7 2.2 2.0 2.4 2.4 2.1 Banlcfall Deptb d Udb Ran e: 1.9-2.1 2.1-2.2 Pool Width Mean: 27 33 45.6 42 23.1 13.1 21.2 (wpool) (ft) Ran e: 25.8-28.2 20.8-21.6 ~~ °fpaol Width to BanlduA Meats: 0.8 1.1 1.3 1.2 0.9 0.9 1.6 Width llwb Ran 0.8-0.9 1.5-1.6 Ratio of Pool A t B kf ll Mean: 1.1 1.4 1.4 1.3 1.4 1 1.3 rea o an u Area Ran e: 1-1.2 1.3-1.3 Pool to Pool Mean: 98 90 123.5. 105. 58.6 75 34 S acin (ft) Ran e: 45-140 44-159 107-140 57-142 28.5-100 26-59 Ratio of p-p Mean: 3 3 3.5 3 2.3 5.2 3.1 27 Brushy Fork Stream Restoration Plan Forsyth County, North Cazolina UNNAMED TRH3UTARY TO UNNAMED BELEW'S TRIBUTARY TO EXISTING PROPOSED EXISTING PROPOSED S1I.AS GREEK CREEK RICHLAND CHANNEL CHANNEL CHANNEL CHANNEL REFERENCE REFERENCE REFERENCE VARIABLES MEAN/ RANGE REACH 1 REACH 1 REACH 2 REACH 2 REACH REACH REACH spacing to banlcfull width (p- 1.4-4.3 1.5-5.3 3.0-4.0 1.6-4.1 1.1-3.8 1.84-4.34 b Ran 28 Brushy Fork Stream Restoration Plan Forsyth County, North Carolina Table 5. Permanent Seed Mix. SCIENTIFIC NAME COMMON NAME Andro 0 on erardii Bi blue stem Eu atorium istulosum Joe a weed Helianthus an Usti olius Swam sunflower Juncus e usus Soft rush Leersia o zoides Rice cut rass Panicum clandestimum Deerton ue Panicum vir atum Switch rass Sor hastrum nutans Indian rass Tri sacum dact loides Eastern ama rass Vernonia noveboracensis Ironweed Table 6. Live Stakes. SCIENTIFIC NAME COMMON NAME Corpus amomum Silk do wood Ph socar us o uli olius Ninebark Salix ni ra Black willow Sambucus canadensis Elderbe Xanthorhiza sim lieissima Yellow root Corpus amomum Silk do wood Ph socar us o uli olius Ninebark Salix ni ra Black willow Sambucus canadensis Elderberr Xanthorhiza sim licissima Yellow root Table 7. Riparian Shrubs. SCIENTIFIC NAME COMMON NAME Alnus serrulata Ta alder Cal canthus oridus Sweet-shrub Car inus caroliniana Ironwood Ce halanthus occidentalis Buttonbush Corpus amomum Silk do wood Hibiscus moscheutos Marsh mallow Ilex verticillata Winter be Itea vir inica Vir inia willow Ph socar us o uli olius Ninebark Rhododendron viscosum Swam azalea Salix sericea Silk willow Sta h lea tri olia Bladdernut Viburnum cassinoides Withe-rod Xanthorhiza sim licissima Yellow root 29 Brushy Fork Stream Restoration Plan Forsyth County, North Carolina Table 8. Trees. SCIENTIFIC NAME' COMMON NAME Acer rubrum Red ma le Betula ni ra River birch Ca a cordi ormis Bitternut hicko Ca a ovata Sha bark hicko Celtis laevi ata Su arbe Dios ros vir iniana Persimmon Fraxinus enns Ivanica Green ash N ssa s lvatica Black um Platanus occidentalis S camore Prunus serotina Black the uercus michauxii Swam chestnut oak uercus ni ra Water oak uercus hellos Willow oak Salix ni ra Black willow Tilia hetero h lla Basswood Table 9. Slope Shrubs. SCIENTIFIC NAME COMMON NAME Amelanchier arborea Serviceberry Asimina triloba Pawpaw Calycanthus~loridus Sweet-shrub Cercis canadensis Redbud Corpus alternifolia Alternate leaf dogwood Corylus americana Hazel-nut Hamamelis virginiana Witch-hazel Ilex decidua Deciduous holly Lindera benzoin Spicebush Symplocos tinctoria Sweet leaf Viburnum dentatum Southern arrow-wood Amelanchier arborea Service berry 30 Brushy Fork Stream Restoration Plan Forsyth County, North Carolina 9.0 FIGURES 31 Figure 2: Reaches 1 and 2 -Brushy Fork Brush Fork Stream Reestoration ~~ y ~ Watershed Water Utility r~,t.l',y~t['llt •.~~.w ~~ Reach 1 Building -- -Bridge Reach 2 Vegetation Paved Surface N Topography Miscellaneous US Topo Grids: Winston-Salem (1991); Wallcertown (1997) :1 0 Land Use Data: HD R Engineering, Inc., Charlotte, NC 1998 1 yAttPM LAKS ~` C r ~ 0 0.25 0.5 1 ~~, ' Legend Miles L `~,'.."!stem , 1'~I1 l~]I t'Illt'~+~ Reach 1 I<'~,.Y'M Reach 2 Reach 1 Watershed Figure 3: Reach 1 -Watershed Area . } . acs t ~ ?.~: s ,n,; ~; V _ r ~ L ei ~ ~ ~~ ~: ~~ _ ;. s r~ F~~,,((~~yy~~tern ~!,il l l~ll~!'~.'i l li`R l~ ivRs Legend Reach 1 Reach 2 Reach 2 Watershed --,,~. . , ;'~ 9e rsat y EAK6 f~~ ~ „~. s \`+~~ ~: a~': ''.v~%' 0 0.5 F,. 1 ]Miles Figure 4: Reach 2 -Watershed Area ~~~ ... .xb j~p~! ;may ~ ~ ~ ~ ~ ~ v ~ C ~3 "~-' ~ ~ C ~ !~ '.~Gd ~ N ^ ~v Q1 ~ '~ n .yv-. ~ S .C .C ~ ~ ~ ~ ~ c x ~ b ? o ~ ~ ~ ~ 'a4 "Coo '~ }'~' ~- Z ~ N ~ {, ~ a ~ tR v ~ `~ 1 , -. ~~~ , ,.~. tl (p .a ~ ~ ~ P F .~ ~ XI a p ~ ¢ a I a ~ ~ ~ ¢ tl s a ~ ~ a " ~ ~ a` a ~ e ~+ ~ ~ $ ~ a s g s ~ a~ a 8~ 3 n ~ ~, a ~ ~~' M ~ ~ i ~~ 4:: V ~ `e ~ e a a V ~ a ~ ~ „ s aV a ~a ~ ~ ~ V a u P ~ Q a S ~+ a U ~ ~ A@ ~ p ~ ~ 5 ri „ a R a °a a ~ ~ ~ ~ ~ s a a a `a°e~ ',~ # ~ Cj ~a ,6 aP A „ s~ a a ~ ~ a ~ a ¢ a a ¢ ° ~~ s ~ ~ ao ~ z ~ ~ u ~ 3 v 3 ~ 4 ~ a a ~ n S tl~ P ~ u ~ a a ~~ a ~a s $` °a ~ s 3 ~ ~' 3 a" ~ F ~ ~ ~ 3 ~ ka~; ~ a ~ ~ ¢ z ~, d ~ ~ a o aff ~ ~ '~'~~ 3~ ~a ¢ u ~ ~ ~ ~ t ~ V a s ~ a as a ~ s ¢ e a ~ s a a a g ~ °s ~` $¢ a ~ ~ a a ~ ~ " „ ¢ s ~ a ~ ~ tl ~ @~ p ~ ~ ~K a d ~ n ,~ G ¢ ~ ~ p a 3 u a "a ~ ~ 6 sa a a a a ~ a a s o a a ~ a ~ a V a ~ ~ s a a ~ °e ¢ ~ ~ `a & ~ ~ s c ~, ~ a E;%i a & a a ~ ¢ < a a '~ 8 ~ o @ G a v a a a ~ ~ a „ s a a ~ ~ V I a a a d a a a a a ~ q V 1997 Land Use Agriculture 1Yansp cat atian F acilities - Auta-RepadrlService Retaa]lWholesale-H~ghDaisity y GeneralSenrices ItetaillV9holesale-LowDensity Institutional _ SitlgleFamily-HeauyDensity - Heavy M anuf acturix~g Single F amity - Light D ensity - LightManufacturix~g ';' Multi-FamilyItesidential Pavement Cficlas sified - Ito ads iJndeueloped r3~ Reach 1 Watershed Reach 1 Reach 2 Figure G: Reach 1-Land Use within the watershed Brushy Fork Stream Restoration n~ Y ~~~ ~C'i)4VtitE'lll , N US Topo Grids: Winston-Salem (1991); Walkertown (1997) 1:2000 Land Use Data: HD R Engineering, Inc., Charlotte, hIC 1998 Figure 7: Reach 2 -Land Use within the watershed Brushy Fork Stream Restoration Reach 2 Watershed --- Reach 1 Reach 2 ~a~~~'()Syti~C'111 ,,, <„~., iY US Topo Grids: Winston-Salem (1991); Wallcertown (1997) 1:3500 Land Use Data: HD R Engineering, Inc., Charlotte, IVC 1998 ~~ 6191-199 16161 %'tl! 0011-199 (6161 3"Ah1d3"G1 o95tz nu[p~o~ w~oN 'alunsl~~olY N'd 1d N011'db01 S 32i wvN ; ~ _~ i ~. ~ : ? 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I r, ~ I I ~ r' ~ I rl ~ r ~ ,, o ' ( ~ ' ', I a~ ~ 1 , I f ~ I 1m ' 7 I j 1 ,4 Y ~ ICI ,', ~ w I ,I I r r ~- ~ ~ I ~ I~ ~ ~I I - :-~, ~ i i ~; I~ I ii ~ ~ ,~ i' I s I I !~riQ ~ ~ ~ I /1 ~yrl ~ ! ~ j ~ I )q~~ ~ ~ I I ,I e~ ryn I ar ~ p \~ ~ l!?{~ ~~ ~,~ r ~ j I N I \ O ~ ~ I ~ I `I ~ _ ~~ ~w~ X i ~\~ d r N a x I I ¢ ~ ,~ ~ ~ z ~ _ C ~ W ~~ \.\ I I I D 1 .n I F LL r~ J ? ~ ~ C9 ', N I cn o m .. i ~ ~zio Y I I ~ i I ¢ //~Q' I ~ 'I , ~I ~ I ~ ICI ~ I 1 e -_ ~` _~ j I ~i -c I I,~i~~~ ~ I' ";,~ __~ ~ ~I x~ I~ ~ I ~~ ~w V Li ~ I ~_ o ~ ~~ ~ ~~~ ~~i a, ~ , ~ ~ ,~ ~. ~ -e ~~ ~~~~ ~ r ,N3 ~' r. ~\ '~ o i ~~ ~ ~, V `~ ~ ~ ~ ~~~ ~ ~ - ~ Vs a ~ / `~ - \ ~ a i \ ~~ ~, - - \~ ~ i ~ -'" ~. \ i _ ~3- ~ - a 3 3 '~ \ ~~ ~~- i PC v LL { _ _3_ ~ ~/\ - _ ~ ~~ L_ _t -\~ f ~ -_ 3 ' ~ ~\~ t \ ~\ \ 5 ~..~ ~\ 5 Q \\ NpTEa BLE BARREL 00XES Z WLVERTS ARE OW ~ NEIGM(: 6.9 100' R/W-30' P`,QVED n/v -- l,~ IN~ERIOR YRLL BETWEEN PIPES: 0.6' a W BOWEN BOULE AR m C191-199 16161 Xtld 0011-190 1616: 3J!?tl3Z31 WbH l:l.l 09SLZ au/pw~ V{/oN 'alllti`Y~~IY N b' ~d N OI1'd a01 S 3a ~ ` ~ ~ j o o_ anlp Fwd aalaw/gad pp9/ SNOIlION00 JNIlSIX3 J CUa~S~S(l:7 ~ ` S3~an053a wanlvN ~ ~, °31111 ~ QNb' 1N3WNOaI~N3 o i atro~o~ auoN - ~rlD~~~ San ~ W Z I8H3anJl~ ~0 1N3WlaVd30 Z AlNf100 H1AS2i0~ ~ VNIlOad~ HlaON ~ _ ~a0~ AHSnaB , o .(n m1Mn» I~Le 1133I'OiW ~ _ i1N31'U O / ~ ~NI ~ H~ 1 bry ~' ~~ / ~ / i ,.~ W~ i i I j ~-~ i , ~: ~ , ~ ~ ~ / ~ 1 ~ i _~ I, ~~ - ~ '~ ~~ ~ I~ ~ ~ ~ % f ,/ ~ w ~~ ), ~ ~ ; ~ Z ~' all ~'~~, N , X ~ I U i L1J I r J j. ~ 1 I ~ JJJ1 I / f ~ , ~ / ~~ I fl it 'I I r ~, ~1 ~ / ~ .; ~ ~ I ~I l5 „ ,,~ I, I '~1 // ~ ~~ /~~ ~ ~. ,,////~ ~~ ' ~ z I i ~~~ ~/ ~ I p~~ / / `I ~ m N / ~ "', I -- ~a ~ I. ~~. ,gym ,, `; I ,~, ~,, ~~ '~ ~' ' . 1 ~ PO w , , ~! \~~ 6/w Q ~ 1 ~ ~ J tP ~ /~ ,,,_ ~ l tail in O~w / ~t '~ Zzm J 1 ~ w ~ 3~ ~ Q~ 1 ~Pv~ , /~. 1,J 1 °LL Q LLtmDZ / ~ ~: I`,iP 1 ~Z~ w ~, ~ ~;; ~ 1 ~ ~. ~~ f~, ~~ / Y 4? 1 i ` ~~ 1 t i~' ;1 ¢~`'$oy0 dye ~ ~~~ ~, r ?~ ~ J p ~{ ~ Q,~r,.4P _,~ d '~ I r ~ '~ ~ R B x~ \'> ~ 11 ~ KATE A. GAILE / a - c ~ d .1 , 1 68a6-22-27aa y. a ~' ~ a ~ 08:137 tPG: 7a~ ~~~~~ '~ ~ G STEWART c 'R 1 ~ ~~ ~ ! VIRGT68a6-22-27a9 ~~ ~ `1 ~. 1 N~ REFERENCE a - / / / ~ ~ , , / ~ 5 H. BROWN / .I A6846-22-2843 i ~~ a ~~ ~ ~ , ~ '~ ~ ~ Np REFERENCE U ~~ R ?, / ~~t~ ~ '~ BA ~mZ ~ w ~~. ~~~ t ' r \1 ~.~ 1 / 1, ~ \ 1tlW ~ \ 33S - 3N1"1 HO -a 3an~~~ "' °o r o Give-19v t6~0> xYa 0011-IGII c6~6~ 3.bid3'31 09SLZ avlro~v~ v1~oN ~ulnsr~~olY N d ~ d N 011'd a01 S 3a ~wv~ iwd g i ~' ~ ~ ~' ~ °o N °o_ quo ~~od ~erewr~d oo9i SNOIl10N00 JNIlSIX3 , , ~ ~ t~ja-FS~~ s3~anos3a ~vanlv-v ONV 1N3wNOaInN3 0 N aurp~v~w~N - ~rto~r~~ srrn 3 1,1 ~_ l 16 3a 01~ A1Nno0 Hl.tS2~0~ ~ , `vNnoavo HlaoN W ~lao~ ~,HSnaa ~. _ a i i i i i ~~, i ~~ ~ , i ~'~~,. W N n r Z N 1 ~ O^~ ~ ~ a ~ m .. Z N in P 3~m aN m ono ~`` r r NWm ~_ O ~ V r ~' ' }W s Q ~' / / ~~ ~ ~ m r I ~ QN~ ~ ~ ` ~ / / ~ ~ ~ ~m^. ~0 1 ~ _ / / l w o , ~ ~ / i ~ ~ ~ , i \ ~ l / ~/ ~ ~ ~ ~ ~ i ~ ~ / ~~~ ~ J \ ~ \ ~~ \ ~ 1 1 ~ . \ \ \ / \ rr f ~,~ r ~ \~ ~ \ j ~ d % % ~~ ~ ~ i / ' Y ~- ' ~~~\ ff ~ Q ~ i \\1 ~mo ~ N 1 ~~ % ~ l1J W N ~ / r'/ ~3\\ / N y \ ~ ~ _ 45 = W N M V Q a N d Q W W ~ J NN^ Z v ~ m z w = O '~~ w m ~ \ ~~ N '~' ~ Sdf~ 2~ 2 p \ H ~ ~~ ~l b 9yg9 ~ y ~~~~~'~ \ ~ 0 a 0 ~~ o = 0 6191.199 1616> Xtld OOI 1-199 16167 3JOyd3"Ol 09SLZ ai(pJV~ W.pN ''Il(ns(~~olY NG'~d NOIlG'a01S32i wvM'~nNd ~ y ! ~ °o °o s3~anos3a ~tlanltlN N _ ~(~o ~~od Ja(~(~d o09~ WlM~o04lJON - ~/lo~~J Sf/n SNOI114N00 JNIISIX3 ' =3uu 1 Ltt~T~ns(~~, aNtl 1N3WNOalAN3 o i Z HO d3a z-s 3an~l~ ,l1Nno~ Hl~lsao~ ~ ~0 1N3w1atld3a tlNll0atl0 HlaON Z W „~ ~ ~ia0d AHSna9 0 .(O ~3JOdJJJ I~L7'Jli Il~~'0lld ~ 11N31TJ ~-6 3an~l~ 33S - 3NI~ HOlnw '~ t j II t it I ~6 ~ I II I I ~~ I 'il ~i I ~ !~. I I I ~ NII I I (~ ' I "I iyl ~ ~ }~ ~~ ~~ 7p'~ I i I I II ~` i ',i,,,i I '~''~;r I ~ I ~I I ~ 1~ I ~ I I i w '~ I ~' w-I I~ ,' I II w I i1 ~ I; ~ ~I I, Z r a \\\~ ~ I h ~~~~~ _ ~ ~ o I ~~~ ~ ~ ~~ % I I~ `~ ~i, ~ ~ I ~ ±I r v i~ ~% ~ ~ N~ a ~. ~ ~~ :I~ !I ~~' ~ i 1 ~ '% ~ m ~ ~ - ~ '~ ~ O c°'o o i ~i R ~~~~' ~ ~~ ~ I ~~ ~ U v it ~I~ i \~ i,~~;I ~~ \ ~I ~ ~I w o ~ ~~\ II` ~~~1 O LL m a _~ -~' 8 ~. =N ~ 'S$ J'' \ ~ ` 1 ' r V ~ W \` tD / ~ ~ \ / \ ~ \ ~ \ ~~ \~ / \\ \ \ \~ j ;.. \ ~ \~ ~ \ ~ ~~ ~ Y ~ ~ ~ ~~ ~\ ~~~\ i ~ ~ A 4/ \ \\ ~~ ~\ \\ ~~ ~ ~~ ~ l \ ~ - a dad. ~ N `Q~'. r v. 1 \ ~ a io a ~~~~ S 1 ~~ ~ ~ ~~~~ ~ ~ ~~`t ~~ ~~ ~ V ~~ vs ~\ ~ ~ w ~~~~ ~ a~~ .~~~ ~~ ~ ~ '~ ~ i ~e ~ 3~ ~ ~ ,~ / ~ ~ ~~ ~~ ~J Oro ~ ~~\ h' ,~ ~ .° ~. ,-• ~ ~ ~q ~~S ~~ ~~~~~~ ~ ~.6 .\ O I~f ~ u o 0 C101-190 1616) %F'd ODI I-190 (6161 3VO+d3731 wvM ~ ~ 095LZ Wllo/u~ W/ON 'aulnsluo/y N'd ld NO11'd a 01 S 32i ~ ~ i ~~ l;_ ' ice~~~' ~l ~ ~ "E , ; °o °o_ ~+i/o a~/od /~r~r/~d o09~ SNOIl10NO0 JNIlSIX3 L~ja~S JIJJ-~'' ` S3~anOS3a ltlanlvN N ~;, ~!p/oJw/~N - tbllo/~/oJ S2/n Z HOt13a ~3i111 t_ ON'd 1N3WNOaI~N3 c `- ~-6 3anol~ ~0 1N3WlaVd34 Z ~ H l.1NnO0 H1J.SaO~ ~ vrvnoad~ HtaoN W ~ ~+ao~ ~HSnaa s )(O 03JQd3/.J s3tYLM~ jl]3fONd 11N311~ O b-6 3an~l~ 33S - 3NIl H~lvw ~ g \\ I I u \ j ', I " o I l I ~I ~ I I \\ I i ~ ~ ~ o w' I ~ \V I (~ ~ ;~ ~ ~~ I' I ' ~ ' ! ~ ~ I I I i ~~~ I I~ i ~ I I I;~~ ~~ ,`~ I` j - -~ i I t o , I I I: I, I ~ I l i ~ I, ~ ~ , ., ~, ~ I i j; I I I ~ ~ I I I~ I , ~ ,~ ~~ I I ~ ~ ~ ~~ ~ ~ ~'~, ~ j I I' I ' I I ~ . ~ 1c I ~ ~ ; ~ I , , ,~ i, ~ ~ I , '! ~: ~,,,~o ~+~~~ ~. I I ~ "' , ~ . I ` ~ -, / % L- ~ I I i II I: ~ , I , ~ ~ ~~a ~ ~ I ~ I I~ I ~ ,, I~ I, I~ / ~ 4 \\~~ ~ ~ ~ ,~ , I I ' ~ ' ~ , ~~~ j I I ~ ~', I ~~ 'I~ I ~% '° ~ ~ ' ~. I I I ZZ I I I~~ I ~~,I ;I~ ~~, I ~ ~ I ~ ~ ~ ~ I I o=omr~, ~~ ` I 4 I r ~ a~m~ ,- , ~ ,. I I ~ / r-Om~ ~ ~~`~ ~ w I `~ I I I I I aU I I I ' I I ~,,, ' ~. ~ I I I I ~/~ ~ ~: I ~ I ~ r ' i ~ / I w'' ~' I ,~ ~ , I , ~ I I , , ; l '~,i 1 1 1 I ~~ I ~ I~ 11 I ~ ~ I ~~~~ I, ~I I ~ I` I;~ II 11 ~II~ ^N I I ~, rYY l I/ 4 ~ I '~, ~i I I r~ \~ I 'II I ~~ ~ I N I I, I, - l~j ' ~I I, I ~ O w I i 1 ~ ~ 1 1- I ~, '~~ ' I ~ I '~~ I o~~ ~. ~ ~'~ ~~ I ~ i. 1 ' ' ~ 'i I I Nr 2 i Z ~ m I`~'~ /, , ° ~ ~ I, I ~ „ 3,~m LL v I I li I ~1, I " N l~~~~ ~ I I I '~' ~ O in o Y U f w ~ ,~,,, . i J (n I I t ~ .. N ~ ~~ Z r ) {, t '~ ..A.~ ~ - 1 a 3 ~~; 33s - 3Nn H~ldw - 3an~l~ Z 6 l~ ~, ~ o~.. r ~° r_ U Gl Ol~l9O 16161 %Vd OOl1~190 t616t 3'O'19T31 09SLZ nulp~v~ W~oN 'aulns/~~oly N d 1d N 011'd 201 S 3 a w N r I E ~ ~' ~ , ~ ~ ~ ~ ~ ~" n ~v n 'dN s3 °o N °o_ ,~„~ ~„od ~~l~d ~, SNOIlI0N00 JNIlSIX3 ` Lua~J/~5~ a l s3~a o a aNV N3WNOalAN3 N '" agp~v~ vlioN - ~oNo~~o~ 52/n ' ' ,311,1 1_ 1 0 Z HO o 32i ~0 1N3Wlavd3a Z N ly b-6 32in01~ J,1Nn00 H1AS2i0~ ~ , vNll0av0 HlaON ~ ~ NaO~ ,lHSnaB o ~ -Y .+ ~OP~ /~O ~O ,+ ~~~~'o e ~~ QP~ `~ , ~, ~G / Q~O `~/ 0P l e ~~1'~m / I' ti ti P+~ . ~P "' ~ ' ~ ~ ~ }Y '~ \~ A\, el~ ~ ~ ~ ~' ~ '~ I 1~ P I ~ \ ~ I ,; ~ ~ ' 1 11 1 ,I I~ `\ ~I t ~1' \\ I 1~' ~ I \ ~\ N ~ pa X I ~' ~ W ~ J V' lL i ~ I / ~ o P,~ j / ., / // el ~ ~ ~ o j u foss ~ ~ o ~~ / -I % ~ o ~ % I `I /v ~I 'I I~ II ~I' ~ 4 ,I, ~ ~I ~I v ~ I J ~ (/\\\ cfi~n I.. ~ ~.\ J c I \ ^~ F- ~d tr r ~ 'I \ wmm I -' O'n N ~ l ~ ~\ a ~ `° ~ I ,_ ~``~ ~ ° ~ - -~ - w s sl ~ j\ ~ ~ r ' ~' ~ ~ ~ \ I o ~, .1 \ ~\\ I ~R ~, r.. ---do`s \\\ \~~ \ ,, it ' ? ss ~ ~\ ~ i i ~` ~ w .+ to ~ C~ ~ ~ 1c ~Q \ ~ ~ ~~ ~1 C~, ~ ~. 1r ~ ~ ~ ~~~~ ~ I 1 1 ~ ~ ~ ~ ~fr ~,1 1 ~ ~ m Y~ ~ ~;, a I 1r ~' ~ WBN I~ L \ Z c ~. I i '/\. ~' ~ m ~ Q 1 r .I , w ~ I ~n \~~ ~ ~ IC' ~ IC ~ ~ ~ ~, I i o ~~ '~ ~ 1 ~ 1c ~ J ~' ~ I ., ~ - I, ~ ~ o~ ~ ~ ~ ;, ~, ~ o ~,~~ ~ ~~ ~ ~ ~ t /// 1~ I ~ s I ~(~,/\ W ~ "~ ~' ~I I a ~ ~6 I 1 F ~ a ~ ~ ~~~ 11 ~~~ ~ i ~ ~ j ~~ ~~ o J m Q U B m ~ ~ N Q = Z iT c~ ~ U m d W ~ rN0 m ~ (~'t Z W ~ m d ? J ~ p O 2 i £-6 WIF PuC ~` i ~~ ~ PaC r,~ f r PaF PaC I k rye ~', 4~JlF ~~ I ~~ ~= Figure 10: Reach 1-Soils of the Stream Site r- Brush Fork Stream Restoration - f"~"' y ~ Reach 1 Watershed ~ Appling ~ Pacolet Reach 1 ~ Cecil Tallapoosa Reach 2 Chewacla Wedowee Water ~ ~,° ~~ Enon Wilkes US To o Grids: Winston-Salem (1991); Walkertown (1997 )~f 4iJU r ~~ Soils D ata: HDR Engineering, Inc., Charlot6e, NC 1995 PaB l ,, l } 1~ `~ y5i '+~ ~4 PaF PuC /~ PaC ~~ r ~~ r -- PuE ~, PuE f ~ PaF '~~:~y~ ~r~ ;^ .- ~ +!,' :~ ., ~ _- ~, ~l ...~, ~ ,, ` ~J,., PaF IvI~~ ;` M~2 _- . 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BROWN --- JAMES _2Ba3 gB46-22 NO REFERENCE c -~~ ~~~~ R -~ . ! -~~ - _~ R N m G! 2 2 H 3 0 0 O 3 O G: Q ~ N Z W Q Y J Q f ~ O N ~ W H O fSl J X i X X 0 1(f C ~~ O a O 9101- 190 t616 > %1I~ OOl I - 190 (616. 3~lO~tdi~1 o9SLZ a~ulp~D~VI/17N'a//!nsl~.a/y Nd~d N011'da01S3a HVM`•}~,-` j °o °_ ~l~o ~~ad nnwi~d oa~i Ndld JNIlN'V~d I.CIa~S~.x~',~ S3~af10S3a ~tlaflltlN ~ W vullan~ v!/ON - ~IW~~~ 52/n =31111 i oNtl 1N3WNOalAN3 c 161 32if1013 ~0 1N3Wlatld34 = .11Nf100 H1J.Sa0~ ~ tlNnoatl~ HlaoN - -- --- ~lao~ ,~HSnaa --- -~ - --- i Q x \\ ~~~ \ ~,~s ,d aNr ~~~ ~\ ~ ~.-~ W .0 ~1 = O \r z-81 32if1J13 33~ N C o II ~ o r ~ -~ \~ \~ ~~ V w i y wW ~ z ~ <^ ,yz oQ~ - aw N" t- ' a Z N ~ mm ; " I ago r `~~ ~ ,_ 4 55 -~ / / i ~ pj ~y' ~ ,~ ~ a ~ s ~ I V I ' r ' ' ~~ \a \\1 F~ ~ ~(~ / /V \' \ / Z J (n ~~ O i r i ~ ' u i, ~ N ~ `\ M ~ ~ '! j ~ ~ 1~ bs Z ~ ~ ~ Q N a ~ _ - .~ 7 ((~~ ~ ~G/ ~ ~ LL ` `_ U a ~1LL W Q W ~ r N N (7 W ~ ~ ~ Z J v " (Y m o'i / / t J"" .aE /N i Q Z U, W U ~ O ., \ ~ fio .~; s %y y, \ \ ~ / j ~ ~ a I s ~y \ sy l~'H 2-~z gb o ~~ ~ s 9 ~ a ~ g lb ,~~JP ~ ~ I i 1 , t'l , \\Jl~VJ 4r Qp M f,4 a - N ~ 1 \~\ ~ I I 1~ c~r~•ivr t61e~ xvd o0ii-i9v ~eia~ ~~~ w «.~ 09SLZ a///0~~~ V110N ~l/lnSl~IOIY N d ~d N OI l'd a01 S 3 ti ": ~ ~" ~ ~ Ei. 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N ~ I _ I ? ^ a°'' % x ~ 3 ~ ~ ,~ ~mm .I ~ ~~ om o I I ~W U / ~~ I i t ~r I ~ ~ 9 i `~ N ZOrN J~ ~N u oo~~ =NN ~ 55 -~~ w~mm ~ ~- ~ J = ~ O = U W 67 L ~ ~ ~" % ( ~ ~ ~ ~ ~. / y ~~ \ \\ \ , `~ \ ~, ~ 1 \ \ 1 ~ ~ V ~ V ~ ~ ~ ~ _ ~ \ \ W a N ~ v~ O < ~j Z m Q 3 ~m ~ OiOo U ~ ~ . - `,I~~ '~ l . u r l 4 ~ W ,~ {~ ~, II l I .g F - I I, ~ M ~ /\ 1\ u` ~ ` ~; ~~ \' ~~ ~~ ~~I \ \ \ ; \ ,\~ ~~ ~ ~ ~~ ~~~ ~ ~~~ \ ~ \` \ \ \~ 1\ ~ \ \ ~ l \\ \ ~ I n r \\ \~ \ ~ / \ , \ \ yC A] • ~ lJ1 N ~ \\ \ \ ~ d J. d \ ' Ov ~ ~ ~a~ \ ~ ~ ~ \ \ ~ t 3°N . 1 ~ ~ ~ ~ ~ ~ $ ~ ~ ~ O~° o ~~ ~ A ~ ~ ~ • ~ ~ ~~ j ~ ~ ~~ \`, ~ "~~ ~~dW ~~ ~ ~ ~~~ ' _ ~\ ~ J 6101.190 16161 %tld 0011.190 16161 3V0•Idf01 095LZ oulpio~ V/~N ''lllns/i~olY anl~p ~/~od nt~ulydd 0091 ou//oin~ 4uoN - uolJO~od~o~ S2/n t0 Nb'ld N011'da01S3a ~~~~ ~^I'~l I~°.~ x°01 °o_ Ndld ~NI1Ndld Llja ~AJI.~I' S30af10S3a lvanlvN N;, Z H~'d3a ~3uli ~' 4~ ~ ONt/ 1N3WNOaI~N3 c £-61 3an~l~ j0 1N3Wlavd30 Z J.1Nf10~ H1JlSb0~ ~ vNnoav~ HlaoN ~ia0d ,lHSflaB o 0 N ~ II ~ a O \~ \~ \~ \~ \ ~ a~ ~~ ~~ ~ ~ e E w J a z 0 r .., cu ~ ~ .. z P (~ .. ra 3 0~ Fi a~ o ~m mm } ~o r U eioi-i9v ~aia~ xve Doll-i9v 16161 3J01id32a1 i0 09SLZ oulp~o~ w.nN •aul~s~uo~v N t/ l d N0111/ 2~O 1 S 32i ' ?: }~ ~ 1,4g. ~ ~' 1 ~ I °o °o_ ~r~o ~~od pr~u~~d o09~ N'dld ~NIlN'dld Lua ~ s30anos3a ltl2inltlN N ,. l W= Du/p~v~ ~l~N - uo/toaad~o~ S!/n Z H~d3b =3~1i1 { ~ ONtl 1N3WNOalAN3 c j0 1N3W12ltld30 Z b-61 3anoi~ ,ljNnOO H1AS2i0~ ~ tlNll0atl0 H1a0N ~ g ~ao~ ,~HSnaa ~. a ~4 pa~ada~d i3~e =la3road =1N311~ P I 1 `- 1 I{ 1 I1 it 1 I I P~, I ,I I + I e{ U J I J v U7 n n QIJ " ~ ~ r a ¢r~j W e m I ~ ~ N ¢mm ~~ \ a m ° ~ - \~ ~~ o ~ 1 ~ r ~ i ~\ `~\ \~ \~ ~\ \ I \j ~i//// ~I, t / ;~ \~ /ii yy 1~ ~~ ~i ~ ~ i~ ~ ~ i~ ~I1 ~ \ ~ ~\ ~~\ ~ , I r °~ z~n~ ~ wm ~~ ~ r a \ W ~ M Z 1(1 Q' ~ ~ ~. m .. ~+ ~OP~ /~O ~O ((~~ ~ ~Q~ QP ~ ~ ~~0~~; ~ 0p~~o e~~ q1 m~ ~~ ~~ i ¢`0 0 ~) Y F ' O F- I~ Y r~F I j I '~~-: I /:>. U m I 1 Z ~ I P ¢~ m °a `I. Z ~ ~~ m ^ I pr- in ~ ` ~N m wm m > o L /~ i ~/ ~~ ..- i ~~ ~~~ i~ ~~ ,",~ ~ 0 ~ J = Q m N ~ cn~u ¢=Z ~ ma OU.. m W ~ O ~-N~ o ~ u7 M Zw (7 m .. d Z J m m ~ O_ £-6 I ~~ h ti ~, ~ II \~ ~\ ~~ \~ \~ a ~ ~ n ', n ~ ~ ~ ~ ~ ,~ 'JC' ~ ~ ~ ~ ~. ~ x r Z ~ ~,~ m O v u m ,~ m a = m v H Y t(1 N v ~ m p m m ~ ~ bW r V r y ~_~. 0 N ~ II o 0 S P~J U Q W W / P~ _-- \Sr .~ s w I ~ H \ ,~-~~ \ , I~ ~~ b. ,U IL~r dWn ~I T1I i\ ~ ~ S J II i1, 4 ~, ~~~ 7 y / / y V Ir` \\ '~ \\ ~. ss \ ~s~ \~ ~'~~ '~~ 'IC' '~ m ~~~\ ,~ cn ` Q l I l+l o; IC o m ~ ~7 a 1 1 ~ LL '~ `~ ~ ~ ~ ~ Q' ,1 1c ~" J ~ ~I ~ ~\ ~, li ~ /~' II II' Brushy Fork Stream Restoration Plan Forsyth County, North Carolina 10. APPENDICES Brushy Fork Stream• Restoration Plan Forsyth County, North Carolina APPENDIX A PROJECT SITE PHOTOGRAPHS Gl ol•190 16101 %1I~ 0011-190 16161 3VO+diTil +nr„1 ~,,, 40 09512 ou~p~v~ w.nN •aur~sruow N t7' ~ d N011'd a01 S 32i , ,i , ~ ' `; ;" ~ ' ~ ~ noS ~v n vN ~ 0 0 ° a+r~o ~~od •ar~rrad oo9i l «Ia S ~ ~~ a 3a a l s3 ~ _ W a,/p~v~ vuoro - uo~ro~od~o~ sbn ~Ol OlOHd =3ii~i + ` ONV 1N3WNOalAN3 0 I-d XIQN3dd'd ~lINf10~ H1,1S2i0~ ~ t/Nn0adO1H1a0N _ W N N ~ia0d ,lHSnaB ~ o •(o vanoad =pie 1ia3~baa =iN~r~ a' ,~ /P a +\\ ~~ \~ s J 1 J~~ .+OV Y c%~a ON,. Q~~ N+pN ~~~ C'1 0 J ~\ ~\ Z-d XION3ddd 33S - ~, I ~ ~ ~ I I ~ I I N W ~ N LL I W 1 I ~ ~ m O N~Z ~ 11 ,i I I ~ o JI J ~I w ~ ~ Q I I i U ~ I I I --- R-------------~ I ~ ~ ~~ II ---- I +_ i~ I ~ I = ~~ ~ 1~1~ Q= i ~ ~ £^~ ~ ~~~ ;a~ 1 , 'I ~" I , i ~ ~~/ I~ I I a~ Z ~I ~ ~ II U f..] N 'I/ I l II II ~2 V ' Q N ~ i ~ i a~_ I I ~ ~~~ ~ ~ U1aN I I ~ 2 ~ + i ~ i S O ~ ~ ~ ~ - I ~ ~ ~ ~ ~ I N ,~ ,I ~ ~~ w .~. 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R -~__ ~ ~ ~~ Tom` A. GAILES KATE ~~~. 6846'22-2j44 ~~ ~t-~~ ~~~ PG: 746 7 ~ly~~, 9 ~ 9~ DB: 13 11 l RGINIA G STEWART 1 ~1 VI 6846-22aENCE ~~- Np REFS ~~~~ a -~~ -~~~~ ~ _ 't~ _ c ~ H. BROWN DAMES -22 ~ 1 ` 6846 RENCE -~~~~~ t -~ Np REFE -- N 1 ~~.~ ~~ 1 1 a, 0 ~ o II O a O Slol-l90 X010) %1I! 0011-19- (6161 3JOM3'[3L 095LZ WUDaDJ w~N 'alll~sl~~IY ~l~o ~~Dd ~a/~D~~d oos~ au/pio~ Vl~DN - uol/napd~o~ Sb~ 001 OlOHd ~-b XIQN3ddd i I I I ~~~~~ ~ `\ \~~~ w V V Nt/~d NOIlda01S3a ,11Nf100 H1JlSa0~ ~ia0~ AHSfla9 W J Q U1 n n Z N N ~P..U ~ i d (n m .- Z N In i ~ tOm a N QI W ~ ^ L ~~ H U W Z ~n ~Q~ QQN f~~ a amN Zvm >¢IN \~ J~~ ~' ` ~ O `- ~ ~ ~ sW N ' ~ S ~ -~\ I g~\ ~ ,~ ~ s `~ ~. l J ~~ . 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' 0 0 ae/~p ,y~od ~a~l~d ~~ ~' ` S3~af10S3a ltlaflltlN ~ W alro~oJVUON - uoNo~odm~ S2/n ~0~ olOHd 131111 uta.~~~s()~~ ONV 1N3WNOalAN3 c 9-d XIQN3dd'd d0 1N3WlaVd34 J.1Nf10~ H1.lSb0~ L 'dNlloa'd~ H1aoN ~ ~_ ~ia0~ I.HSfla9 , o --~ !n ru 1Mn 1~ l]v11N~ I1'fiH1MA 11N311J N / ~-i U ~'~ Q W O P~PO w ~~ Qla ~~ / ?1 P~ ~~? ~O ~...I//// C>~ QP ti6 00~ O~•O~~ mp - -,- es ~ el~ 01, ~0 ~ ~ ~ ~~ ~1~ , ~ ~' \ ' ', \ \ \ Y ~QI I` ~~~ ~l d l `~ \\, ry ~II 1 \ IW Q I ~ `~ ~~,~ ; I ~ 4~ ~ ~ C I I . •~ ~ '~ ~ Q ~ ,,:~ 'I I ' I ; i , I U J c ~ i ~ I I ~ a ~ r a ~e~ W m I ~ ~ ` ~I', I ~ ~ \ a~ I g ~ ~~ \ \ ~ W o ~ --~I _ s, ~ I 1 ~ ~ , ` r I ~~ \\ ~\ \ \ I, j ~ \ 1 I. ~ "~ ~ -~,~ ~ j \ ~, (/ % ~\ ,~. ~. r< ~~ (Q,J a / ~~ `n„ _ .~.. a -a__ / ~ ~v ~ O ~ II ~ o ~ o V \~\ \ ` ~~ I sy, _ `~\ \ ~ s \ I, I ~5, \ \\ /~~ I I,' ~ N ~ Y ~ \ \ /ice I ~ & 1~ .~ ~ \ ~~~~ I ~ ~~ ~ ~~ ~ ~ u ~ a ~ ~ c ~ I ~- ~ m ~~ ~I _,~ ~ t.~~ ~. ~ a / ` I ~ \ I I I ~a 1 ~ LL~ ,`\~ \ ~m~ I I I J ;I ~ W P .- ,L \\ 1- ~ a I ~ l~ ~ •`~ \ W e ~ I ~ I., "' ~ .- m ~ _ I I -/~ Q ~ ~ I \\\ o ~, ~ Q ~ I ~ ~ Ii ~ \\ ~ I~ ~ w 1 I I 'fC' I O ~ I \ I 1 " W 1C IC ` \\\ ? ~, ~ I, ~ ~ I ~ 'I ~, ~ 3 P -. \ aZ m a I I I ~ IC' '~' 'k \ YF a `" I I I I \ a~ ~ ~ ~ 1-U7 m I .~. ~ >~ o I Z /~ ~ Id I ~ ~ ~ ~' /~ ~I I I ~ "' ~ I' I ~ I I w t I ~ 1 Iw r '1 ~ 1 \ 14 ~ ~ ~(+ I iM I N I ~` I e N IL'~ ~ ~ ~I 1 I ~ ~ ' I I I I' w ~ I I I J I I I \\ ~ ~: ~ I I o \ ¢~ M I I » ~ I \ ~ (r m N I. I I OU ~ c1 I \ ¢__ ~~ I ~ ma I W I \ Z W ~ /~I 'S p~ m r \ d? ~~ I I I W a I J I \ I ~: I S-d XION3dd'd 33S - 3NIl H~1dYV Y t y~ ~„ ' '~ ~.~~ .may r• ~ ,. .,. ;R._r.~~f ~ ~ ,.~. _ x 1. Culvert under Bowen Blvd, looking upstream ~`yw ~ .a. .~ ~• .. ~k :may, ~~y'~~~i ~'!~ ,Y *'~y~f'~+,f~~'lr-+~#.~ .~~i ~~,j~,,/,`' •~1` ~ '~. 4+~ ~ Off' . ~... 3 ~ .~{~ .\~ 2. Electric Tower south of Bowen Blvd. on west bank of project reach. View from east bank. y. ~.p~ , r~ f4` .. ;~"~__ ~ w ~ i~ Yen' + ~ ..~+i •~+~~ q. ~ ,•, ''`~^ #,y~"y~ 3. Downstream from Electric Tower south of Bowen Blvd. View from east bank. ~~~., ~~ y w ~ -~ _~~y " . 4 :~~~~-_: 4. Meander bend with large terrace on west side. View looking downstream from east bank. ~, ' ..rs ~` a f J . ~+ ~ ~ .~~.: , •n - r~°f .. -''Q ~~ a ...r,~„ . ~ ~t 9° 5. Southern terminus of large meander. View looking downstream from east bank. , _,,, ~~ ~ ~ ~: • J ~ a ~ . `~ ~ ~ ~ +,, , ~~ ` r , . '#p,?~i r' .~ A4'S .i 'L t.~ °r r ~ ry,°,~,~~,'' . ~3' i.. ' ,~: ~. p} ~ ~ _ ~ A'~ w ...,, 7. Project reach. "- _ ~, ~' ~ 3 ,~ .~ i~S e ~' ~; ~ ~; ~`:.r R View looking downstream from east bank. ,.~ i ! ~/' •*~ M W ~ . m i ` ~'~'~ °'. , r.~. ~ .fit ::~.~. ! .,sr~ ~~~+ ; . .' ~'~ 8. Meander bend with large terrace on west side. View looking upstream from east bank. Bowen Blvd. is north of power pole. w'~'i ~.~ ~~ ~ .w . ~. .~;~ ,~~ _~~~,, x~-,;~.~ --'-fit -~` "' ~. x 'y'" ,,thy re~~ ,.~. ".~- ,~ >,i~~ ,~- , GG :w a ~ R t~ :~ - .~r ~ ~' ~. ~/ ~ ~ 1 6• ~ s,~y ~ ~ Y 4 ~ ~' t~ M w )~ :t.-.,~ • ~s~p R t~ Y ` ~~ "i~~~ 1w 'i ~kR x F i '~ _. - - .. ~s ".fR ... .. t °r .y.. y ~'..,. ~;. a 'C },~ .M 9. Swale over culvert falling into stream in foreground; large meander at base of trees in background. View looking upstream on east bank. ~~ 10. Eroded stream bank at culvert outfall. ~. ~~~ ~~ __ ,. . ..,~. ,~„ ~ ~ ~ .~x ;JR ` r r ~" 'fir'" wrt' ,+`"~. ", :. ~"'~M^~1t t „~`' ~ r T ~~' > r ~• I ~;• . ~ 11. Looking downstream toward New Walkertown Road. ~' .y~ *'+ + ~ ~~ ,~, ~~~ ~ 12. Highly degraded stream bank. .1d ~. Y ~ ,~i~ w~ 9~tA ~ ~''`' w~ ;, '~,,~+~_ u ~ ~.. ~ `,~ ~ fxT. #. ~~~ r ~ ~~~ #~ ~ - ~ ~ ~1 . " •, ~ 7~ !~.'-'i'. .. q~" j] r 13. Culvert outfall near first power pole north of New Walkertown Road View looking upstream on east bank. ~1 y k, ' 't, aw , a.' a F. '~ ,µ `,: ~ ~ mil( .. ~ ~ ~ "' i ~~ ~ ~,,..yR. ~ ,wR ~,`•kt,~1.~.Z ,h/ k ~'~Y a r ~ t 14. Looking upstream from New Walkertown Road. ti.µ, { •.f'iY ~ f1 } / .' -~•~'` ;;~. '" ~a ~ ~ "` 1 a. .".: ~, ~`~ 'r. '` ~j~, w~ ~ k .,„ ~ •.. { ~ =+y::~. (t ,, ,! ,. 16. Eroded stream bank at first power pole south of confluence with Frazier Creek. View looking downstream on west bank. ~. ;~~, .~ w >~ •: ~ tw,c.. ~.~,, "~~IG;x -. 15. Eroded stream bank at footbridge near confluence with Frazier Creek. View looking east from west bank. ~ ~ ' /~ ~ t ~, ti~~ ~ `'~ {: ..r- ~~ ~' 'ate _, r {{.?.yam yt fey, ian.~'r 4 .y-'. ~,°. ~ ~ ~ ~.e. ..f ~, ~g ~ ~ ~ ~~j 1 f ~ } ~~ , ° ~ ,~, , ~~ • _ ~ ~:. 4~ 7! Saar "~!62 r i ~~~ ~'Y"°7~' "kr ~.. ~ - y r' ~P a k~ a ~ ~ a6f`~ ~~ y t ~1.~ ,~'~ ~ ~m'tx. r~,~ ~ r. y _ -: ,,~~ 1 ~~ 4 ~- . fi ~@ .~ ~ ,~ x sn ?~'°' F 17. Streambank and channel material. View looking downstream from west bank. ~ ~~ ~• , 18. Streamside vegetation. View looking upstream on west bank. 20. Bottomland forest on east bank. bank. ,~ r - , f~' 4., ~~:. ~' ~; ~' . y 19. Rip rap for streambank stabilization. View looking upstream on west bank. View looking downstream on west j.. > a <:~ ~y, 9T4y "~ ~ s~`•, .`' r;~ft~"'~«~~ a .~, ~' ~~, ~" Pk~ 22. Power line easment on west bank. View looking downstream east bank near north corner of Evergreen Cemetery. 21. Erosion at sewer pipe crossing. View looking west from east bank where power lines cross over stream. ~, .> 7 i ~iY~ r ! tx q{. #.. ~;~~f x .~, '„ `, . ~~ •:~ W,s:'.:1,4,.i r. ~~ ~.,~ ~ ~D3` I ~` . 4 ~/ A 4 !~ ~ ' _: P z,~~ ~` i j: ~ . R- ~^; , . "' ` ^,~ ; 23. Rip rap for streambank stabilization at sewer pipe crossing. View looking downstream from west bank. 24. Erosion under powerline easement on east bank. View from west bank south of Evergreen Cemetery west from paved walkway south of cemetery. bank looking upstream. 25. Tributary to Brushy Fork flowing through floodplain. View looking 26. Tributary enters Brushy Fork. Debris jam at sewer line. View on west ~` ~}'L t°' ' f.: •-~. ,~~ ~~~: ~ ~ ~ it J ~ , iron $ '" .~ *~~ ~ Rh ~ 4 ~ % J ~~~J rr~~Y ^ . ' '~~ ~ ' ~~ ice' i. ~ J A~1 yy ; b ' -7 YS ~ 4i \~ ~ ~ ~,~ ~, ~ h ai 1 ~! r ~~4~ ~.;~:.aT ..~b.'~~~~YA' • ~\'~ - 1, 27. Streamside vegetation near Old Greensboro Road bridge. View looking south on west bank. .~ > ~' ~~ ~_~_ ~°~, 28. Old Greensboro Road bridge crossing. View looking downstream on west bank. Brushy Fork Stream Restoration Plan Forsyth County, North Carolina APPENDIX B EXISTING CONDITIONS DATA Brushy Fork Stream Restoration Plan Forsyth County, North Carolina REACH 1 P:\Jobs3\31823267_Brushy Fork\Brushyfk\stream data\Brushy Fork\Brushy Fork Reach 1a.xls Dimension (2) P:\Jobs3\31823267_Brushy Fork\Brushyfk\stream data\Brushy Fork\Brushy Fork Reach 1 a.xls Dimension (2) P:\Jobs3\31823267_Brushy Fork\Brushyflc\stream data\Brushy Fork\Brushy Fork Reach 1a.xls Dimension B. Riffle #3 Riffle BRUSHY FORK CREEK 792 790 788 c 786 0 .m ~ 784 w 782 780 778 0 10 height of instrument omit distance FS notes pt. (ft) (ft) 20 30 40 50 Width from River Left to Right (ft) BRUSHY FORK CREEK Salem Creek 790.32 785.3 781.01 779.87 779.58 780.74 779.74 779.01 778.69 778.77 778.68 778.72 779.02 779.28 780.83 781.88 783.24 784.12 785.24 788.34 790.62 791.21 FS FS bankfull top of ban 781.88 790.32 60 70 80 ..n.. dimensions 88.9 x-section area 2.1 d mean 41.6 width 43.7 wet P 3.2 d max 2.0 h d radi 11.6 bank ht 19.4 w/d ratio 54.0 W flood tone area 1.3 ent ratio P:\Jobs3\31823267_Brushy Fork\Brushyfk\stream data\Brushy Fork\Brushy Fork Reach 1a.xls Dimension Appendix B. 96 94 ~ 92 C 90 7 N w 88 86 84 Riffle #4 Riffle BRUSHY FORK CREEK 0 20 hei ht of instrument omit distance FS notes ot. (ftl (ftl 40 60 80 Width from River Left to Right (ft) BRUSHY FORK CREEK Salem Creek 93.52 92.32 90.23 86 85.89 85.9 85.97 87.31 88.18 88.66 88.91 89.15 bankfull to of 88.91 95. ..n.. dimensions 62.3 x-section area 2.6 d mean 23.9 width 26.0 wet P 3.4 d max 2.4 h d radi 9.8 bank ht 9.2 w/d ratio 42.1 W flood rone area 1.8 ent ratio L_l 92.32 ' 92.41 95.28 ' ~ 92.97 I 93.77 P:\Jobs3\31823267_Brushy Forkl6rushyfk\stream data\Brushy Fork\Brushy Fork Reach 1a.xls 100 120 140 Dimension Appendix B. P:\Jobs3\31823267_Brushy Fork\Brushytk\stream data\Brushy Fork\Brushy Fork Reach 1 a.xls Dimension P:\Jobs3\31823267_Brushy Fork\Brushyfk\stream data\Brushy Fork\Brushy Fork Reach 1a.xls Dimension (2) Appendix B. Pool #1 Pool BRUSHY FORK CREEK 100 98 96 - ~ 94 - 0 92 - > 90 - m w 88 - 86 84 82 0 10 20 30 40 50 60 70 80 Width from River Left to Right (ft) section : • • • Pool BRUSHY FORK CREEK d i ti n Salem Creek - escr p o : height of instrument (ft): ~ ~ ~ ~ omit distance FS FS FS channel notes pt. (ft} (ft) elevation bankfull top of bank slope (%) 97.92 [] 97.52 88.58 94.76 ^ 93.61 ^ 90.49 91.28 ^ 91.5 ^ 90.44 ^ ,, 88.58 ^ 87.24 dimensions 78.8 x-section area 3.1 d mean 25.8 width 29.1 wet P 4.7 d max 2.7 h d radi 10.9 bank ht ^ 86 ^ ~' 85.75 ^ 83.89 ^ 83.86 ^ 85.75 ^ 85.59 ~ ~ 86.48 ^ 87.35 88.68 89.14 '• 90.25 - s s ^ 96.95 ^ i 97.37 P:1Jobs3\31823267_Brushy Fork\Brushyfk\stream data\Brushy Fork\Brushy Fork Reach 1 a.xls Dimension 794 792 790 .-, 788 0 786 > 784 d w 782 780 778 776 Appendix B. Pool #2 Pool BRUSHY FORK CREEK 0 10 20 30 40 50 60 70 80 Width from River Left to Right (ft) BRUSHY FORK CREEK hei ht of it omit distance notes pt. (ft) 792.08 791.18 784.18 783.15 782.33 781.17 778.02 777.6 777.24 777.15 777.26 777.92 778.29 778.75 780.18 780.96 781.16 782.08 782.42 781.88 782.55 bankfull Itop of dimensions 93.6 x-section area 3.3 d mean 28.2 width 32.1 wet P 5.3 d max 2.9 h d radi 14.0 bank ht L' I 791.48 ~~ '~ ' 791.69 u - - - - --- P:\Jobs3\31823267_Brushy ForklBrushyfk\stream data\Brushy Fork\Brushy Fork Reach 1a.xls Dimension Appendix B. Glide #1 Glide BRUSHY FORK CREEK 100 98 96 ~_ 94 c .~ °- 92 w 90 88 86 84 0 10 20 ~___ •r height of instrument omit distance FS notes at. (ft) (ft) 30 40 50 60 Width from River Left to Right (ft) 70 80 90 BRUSHY FORK CREEK Salem Creek 97.87 97.4 95.49 90.55 90.34 bankfull Itop of channel 88.11 86.77 86.35 85.55 85.75 85.41 84.7 85.17 85.74 88.01 88.85 94.76 97.27 dimensions 85.2 x-section area 2.8 d mean 30.2 width 32.1 wet P 4.1 d max 2.7 h d radi 6.1 bank ht P:\Jobs3\31823237_Brushy Fork\Brushyfk\stream data\Brushy ForklBrushy Fork Reach 1 a.xls Dimension O ~ 0 Y U ~ a - - - -- -- - - -- -- - - -- -- - - -- -- - - - - - -- -- - - -- -- - - -- -- - - -- -- - - 0 O ~ ~ - C ~ .p O - -- -- -- -- - -- -- - -- N d N ~ o __ __ __ __ __ __ __ __ _ ~ O O O -- -- -- -- -- - -- -- -- -- ~ ~ c - -- -- -- -- - -- -- -- --_ N a~ - -- -- -- -- - -- -- -- - ~ ~ a ~ o - -- -- -- -- -- -- -- -- -- ~+' U __ __ __- __ _ __ --_ __ __ N N __ _ __ __ _ _ _ _-__ __ __ N c0 °o 7 ~ N ~ ~ ~ L o r _ __ __ _ _ _ __ _ ~ ~ ~ M W W _ __ __ _ __ __ __ __ __ _ _ __ __ _ __ __ __ _` _ j i .Q U __ __ __ __ _ __ __ _ l ~ ' _ , , --- ~ d ~ o Q _ _ __ __ __ _ __ __ __ _ ~ rY 0 ~ - -- -- - -- -- -- - ~ j ~ C 7 - - - - - - - - - - - - - - - - ~- U _ ~ ~ N Y ~ p ` ' W d ~ - -- -- -- -- -- -- -- _ - -- - - -- -- -- -- -- -- -- -- ~ N - _ ~ d - -- -- -- -- -- -- - -- fn Y -- -- -- -- -- - - -- -- -- ~_ ~ ~ ~_ •- ~ ~ Y E ~ -- -- -- -- -- - -- -- -- 'C d ~ c p ~ ~ ~ ~ ~ ~ cn • ~ r = fn p U E ~ ~ -_- - - -- -- -- -- -- -- -_-_ -- -- --_ -- -- - - - -- -- -- -- -- -- -_ - --_ - -- o ~' N ~ ~ o ~ m a~ m (4 ~ ~ ~ - - -- -- -- -- -- -- -- -- - - -- -- -- -- -- -- -- -- p 0) O Z --- -- -- -- -- - -- -- -- -- fl. N N M p N o O ° ° ° ° ° ° ° ° ° O \ 0 0 \ 0 \ 0 \ 0 \ 0 \ 0 0 \ \ 0 \ 0 0 \ O ~ 00 0 ~ (0 0 ~ d ' M N ~ O ~ M ue yl ~aui ~ ~u a~~ ad _ p r o c ~ O - - - '~ N N U O O ~ 0 N 0 ~ 0 ~ N ~ t0 a0 S O N M Vim' ~ ~ N a0O r ~ N (NO M N to 0 0 0 O U X r, N V 0) ~ m U ~ C 2' N O p ~ 0 N 0 ~ 0 ~ N d' (O a0 ~ t0 e- N N N M tn ~ ~ O O O) N ~ 0O0 r ~ N (NO M N tn N O •- ~ O N t6 4. l6 N O O ~ ~ m T U~~ 'd ~ 03 cC ca c0 N N N N N N N N N N N N N N N N N N O) 'Y ~ ' (p N Vl to N tq N N c0 N 03 f` l` N N ~~ ~ ~ ~ ~ 7 7 7 7 7 ~ U N N~ N O1 ~ ~ ~ 01~mO~O1 C1~ l N t0/ 1 C C C ~ j N VO O p 0 0 U O U U t0 ~ ~ y .G~~ ~~ _ _ ~ N S] f// N t6 ~' ~ O O ` ` w w w U U fC t6 f0 t6 ~ .? ~ ~ ~ ~ j ~ O7 ' U U ~ N N U U U U ~ to ~- - a t0 N ~ N > > ~ ~ > Z' ~ N N > > ~ 00 x v c m Q Q Q N .~ fV r U N N Y O Ll_ T L N 7 m Y O Ll_ T z m` 'm m v E m T L fA 7 m Y O ll.. T t N 7 m rl t0 N M N M M h O 3 d Appendix B. Grain Size Distribution for Pavement/Sub-pavement Sample in Reach 1 100% - - --- ... _ . 90% ___, __ __. .._ . _ .... _... _e._.__-- ~..._._.......-- -...._ ._ . 80% - __ ~ 70% h- 60% a~ 50% __e~__. -.- -- __ __ _ _ _. ._ 40% 0 30% ~ Pavement 20% -~--Sub-Pavement 10% ~ Pebble Count 0% 0.1 1 10 100 1000 Particle Size (mm) Sub-pavement Cumulative percent Size Weight (gm) Percent finer than 2 1230.9 22% 22.2% 4 765.5 14% 36.0% 8 585.4 11 % 46.5% 16 943.9 17% 63.5% 31.5 1251.6 23% 86.1 56 773.6 14% 100.0% 0% 100.0% 0% 100.0% Pebble Count Size Count ercent Cumulative Percent finer than 0.5 11 11% 11% 1 0 0% 11% 2 6 6% 17% 4 9 9% 26% 6 7 7% 33% 8 4 4% 37% 11 4 4% 41 °lo 16 5 5% 46% 22 9 9% 55% 32 17 17% 72% 45 14 14% 86% 64 1 1% 87% 90 9 9% 96% 128 2 2% 98% 180 1 1% 99% 256 1 1% 100% Total 100 100% 100% Pavement Cumulative Weight percent Size (gm) Percent finer than 2 318.8 11% 10.7% 4 152.8 5% 15.8% 8 165.5 6% 21.3% 16 371.8 12% 33.7% 31.5 660.5 22% 55.8% 48 657.7 22% 77.8% 69 662.5 22% 100.0% Total 2989.6 100% 100.0% u - e e Pavement Pavement Count D16 <2mm <2mm 1.8 D35 3.9 16.9 6.9 D50 9.6 27.4 18.4 D84 30.1 53.8 43 D95 51.7 64.3 87 D100 63.0 69.0 197 P:\Jobs3\31823267_Brushy Fork\Brushyfk\stream data\Brushy Fork\Brushy Fork Reach 1a Pav-subpav Appendix B. ~; ° - ~ Stream: Location: ® . Watershed: Date: Brushy Fork ~ cross section -~thalwag -~-WS --~-WES L --~-- WES R ~K ^ + • • - - - • BKF trendline 780 ~,~__T~_. ~ ~, ---~.-~. I 1 I 1 I I I I I I I I I I I I ] I 1 I I I I I I I I I I ~ I I I I I I I I 1 I I I I I I I I ] 1 I I I 1 I I I I I I 1 1 I I I I I I I I I I I I [ I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I ' I 779.5 I I I I I I I I I I I I I I I I I I I I I I I 1 I I. I ( ] 1 I I I I I I I I I I I 1 I I I 1 I I I 1 I I ' • ~• •. I. • j• I I I I • I~ • M• y• I I I I I I I 1 I I I 1 I I I 1 I 1 I 1 I I I I I I 1 I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 1 1 I 1 I I ~ I I 1 77 9 I I I I I I I • N. •I• • I I I I I I I I I I I I I I I I I I I I I I I I I I I I I ~ I I ~ I I I I I I I I I I I I I i I I I I T• I 1 .I. . ~ I I ~~" I I ~, • I I I I I I I I I I I I I I I I I I I I I I I I ~ I I I I I I I I I ~ ~ I I I 1 I ~ I ~ i I I 778 5 ~ I ~ I I I I ~ I I .I.. ' I • I I I • I I I I . I I ~ I I I I I I I I I I I I I I f I I I I I I I I ) I ~ ~ I I I I ~ ,.. I I I I 1 I ,•• I• . I I I I ~ I I I I I I I I I I I I I I I I I I , . ~ 778 ~/ I I I I I '. V I ~ I I I ~. ~ I I I I I I I I I I ~ II II 1 1 II II I ~, I I I I I II i I I I II I ~ I ~ II I I I II I I 1 IIII I I I I I I I I I I I I I I II 1 I I 777.5 o I II 'I I ; '111'1'1 ~ II I ~ 'I II ~ I I I I I III I I I I I I III I I I I I I I ' II ~ I I I II 1 I I ~~ I I I I ~ I I I I I I I I I I I I I I I I I I I I I ~ I I I I 77 I I I I I I ~ I I I II ' I I I > I I I I I 1 1 I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 1 I I I I I I I I I I I I I I I I I i I 1 I I I i I I I I I I I I I I I I 1 I I I I I I I I I I I I W 776.5 I II I II I I I I I I ~ ~ I I I I ~ ~ ~ ~ I I I I I I I I I I I I I I I I I I 1 I I 1 I I I I I I I I I I i I I I I I I I I I I I I I I 1 I I I I I I I I I I I ~ I I ~ I II ~ I I I I 1 I I I I I I ~ ~ I I ~ I I I I I I I I I I I I I 1 I I I ' I I I I I I I I I I 776 I I I 1 I I I I I I ~ I I I I I I ~ II I I I I I I I I 1 I I I I I I I I I I I I I I I I I I I I I 1 I I I I I I I I I I I II I 1 I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I ; ';~ 775.5 I ~ I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 1 I I I I I I I I I I I I I I I I I I I I I I I I I I I I ] I y I I I I I ~ I ~ I I 1 I r 1 1 1 I I I I 1 1 1 1 I I i I I I I I I I I I 1 1 1 1 1 I I 1 I I I I I I I I I I I I I V I I I I I , I 775 1 I I f I I ~I I I I I I I I I ~ I I I I I I I ~ I I I I I I I ~I I I I I I I f I I I I I I I I I I I I I I I I I I I I I I I 1 I I I I I I I I I I I I I I I I I I ] I I 1 I I I I I I I I I I I I I 7 74.5 I I I ~ I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 1 I 1 I I I I I I I 0.0 50.0 100.0 150.0 200.0 250.0 300.0 Channel Distance (ft) P:1Jobs3131823267_Brushy Fork~Brushyfklstream datalBrushy ForklBrushy Fork Reach 1 a 350.0 400.0 450.0 500.0 Pattern & Profile (2) Brushy Fork Stream Restoration Plan Forsyth County, North Carolina REACH 2 788 786 784 c 782 0 780 w 778 776 774 Appendix B. Riffle BRUSHY FORK CREEK 0 20 40 60 80 100 120 140 160 180 Width from River Left to Right (ft) BRUSHY FORK CREEK Salem Creek of notes 781.76 s~~s 777.24 ..n,. dimensions 128.0 x-section area 3.8 d mean 33.5 width 37.8 wet P 6.1 d max 3.4 hyd radi 7.3 bank ht 8.7 w/d ratio 200.0 W flood rone area 6.0 ent ratio Dimension bankfull Itoo of Appendix B. Riffle BRUSHY FORK CREEK 784 782 780 c 778 0 a m ~ 776 w 774 772 770 0 20 40 60 80 100 120 140 Width from River Left to Right (ft) BRUSHY FORK CREEK Salern Creek hei ht of instrument ft notes omit pt. distance (ft) FS (ft) elevation 778.96 ~ ~ ~; ~~ ~ _ 778.26 ~ ~ !=~ ~ ~ .~ .~ 778.66 . ~] .. ~ 778.36 ~~ r; _ 778.06 t_-] _ _ 777.76 (~ _ _ _. 777.26 j~ _ 776.56 I~ 774.76 _ I_ _ _ 773.96 j C__, ~ ~ 772.36 ~.. ~_ 1 771.66 I _ I ] 771.26 770.96 770.96 771.26 771.76 772.16 772.06 772.36 772.96 t_ i ~_~ ~. 775.16 ~~ ~~ 775.86 I ~ 1 _.~.. 776.16 .,n., 776.16 dimensions 129.5 x-section area 3.7 d mean 35.2 width 38.7 wet P 5.6 d max 3.4 hyd radi 6,3 bank ht 9.6 w/d ratio 206.6 _ W flood rove area 5.7 ent ratio P:Wobs3\31823267_Brushy Fork\Brushyfk\stream data\Brushy Fork\Brushy Fork Reach 2a.xls Dimension P:\Jobs3\31823267_Brushy Fork\Brushyflc\stream data\Brushy Fork\Brushy Fork Reach 2a.xls Dimension Appendix B. dimensions 183.6 x-section area 4.0 d mean 45.6 width 51.2 wet P 8.4 d max 3.6 hyd radi 6.4 bank ht P:Uobs3\31823267_Brushy Fork\Brushyfk\stream data\Brushy Fork\Brushy Fork Reach 2a.xls Dimension P:\Jobs3\31823267_Brushy Fork\Brushyfk\stream data\Brushy Fork\Brushy Fork Reach 2a.xls Dimension Appendix B. _, ~ -._ w Material Size Range (mm) Ccan*, BRUSHY FORK CREEK silt/clay 0 0.062 Salem Creek very fine sand 0.062 0.13 Winston-Salem, NC fine sand 0.13 0.25 Note: ' - medium sand 0.25 0.5 coarse sand 0.5 1 Pebble Count, BRUSHY FORK CREEK very coarse sand 1 2 100% ve Ilne ravel ry 9 2 4 I I I l i l l l I I I I I I I V I I I I I I I I I I I V I I I I I I I I I I I V I I I I I I V I I I I I I V I I I 1 fine gravel 4 6 90% II ~ ~~~~~ I ~ ~ ~~II11'I I II ~ ~ ;..; ~I~~~ I ~ ~ ~~~~~ • ~ ~ ~ ~~~~~ fine gravel 6 8 80% I I I V I I I I I 1 1 1 1 1 1 I I I V I I I I I I V I I I I I I V I I I I I 1 1 1 1 1 1 di l 8 11 ~ I 1 I I I . I ~ I I ~ ~ ~ ~ .. 1 . ~ I ~ ~ ~ I ~ I ~ ~ ~ .. I um grave me 70% ~ ~ ~ ~ l i ~ 1 I ~ ~ ~ ... I I I I I 1 I I ~ I ~ medium gravel 11 16 ~ ° I I V I I I I I I I I I I 1 1 I I I I I I I V I I I I V I I I I I I V I I I coarse gravel 16 22 60 % Cli C I I I V I I I I I 1 1 1 1 1 I I I V I I I I I I I I I I I i i l i l I V I I I I I I V I I I I I I V I I I I I 1 1 1 1 1 1 I I V I I I I I I V I I I I I I V I I I coarse gravel 22 32 iL 50% I I I I V I I I I I I V I I I I I I V I I I l 32 45 ~ I l i I I I ~ ~ ~ I I I I ~ ~ very coarse grave 40% I I I ( I I I I I I I V I I I I I V I I I ~ I I V I I I ve coarse ravel 45 64 U I I I V I I I I I I V I I I I I I I I I I I V I I I I I I ( I I I I I I 1 1 1 1 1 1 I I 1 1 1 1 11 I I V I I I small cobble 64 90 a 30% I I I I I I I I I V I I I ~ I I I V I I I ~ I I I V I I I 1 I I V I I I I 1 1 1 1 1 1 i 1 1 1 1 11 medium cobble 90 128 20% I I I I I I I V I I I I i I 'I ~ I I ~ I i 1 1 1 1 1 1 1 I I I ( I I I I 1 I I I I I I large cobble 128 180 ~ ° I I • I• I • I I I I l l l 1 I I 1 1 1 1 1 1 I I I ,I I I I ve lar a cobble 180 256 10 /o ~ ; II ~ I~ I •I•I 1 ' I I ~* •~ I I I I I I I I I IIII I small boulder 256 362 0% small boulder 362 512 0.01 0.1 1 10 100 1000 10000 medium boulder 512 1024 Particle Size (mm) --Cumulative Percent • Percent Item large boulder 1024 2048 very large boulder 2048 4096 Size percent less than (mm) Percent by substrate type bedrock D16 D35 D50 D84 D95 silt/clay sand gravel cobble boulder bedrock Total Particle Count: 24 i 0.097 0.25 0.6 15 29 7% 52% 41 % 0% 0% 0% P:Uobs3\31823267_Brushy Fork\Brushyfk\stream data\Brushy Fork\Brushy Fork Reach 2a Materials 100% 90% 80% m 70% H 60% ~ 50% 40% 30% 20% 10% 0% 0.1 Appendix B. Grain Size Distribution for Pavement/Sub-pavement Sample in Reach 2 Sub-pavement Cumulative percent Size Weight (gm) Percent finer than 2 1230.7 25% 25.3% 4 1081.6 22% 47.5% 8 788.5 16% 63.6% 16 1170.3 24% 87.7% 29 585.5 12% 99.7% 33 15.6 0% 100.0% 97 0 0% 100.0% Total 4872.2 100% 100.0% Pebble Count Size Count ercent Cumulative Percent finer than 0.5 2 2% 2% 1 0 0% 2% 2 34 34% 36% 4 27 27% 63% 6 8 8% 71% 8 6 6% 77% 11 11 11% 88% 16 4 4% 92%~ 22 5 5% 97% 32 2 2% 99% 45 1 1 % 100°/0 64 0% 100°,'~ 90 0% 100% 128 0% 100% 180 0% 100% 256 0% 100% Total 100 100% 100% Pavement Cumulative Weight percent Size (gm) Percent finer than 2 317.8 18% 18.0% 4 156.2 9% 26.9% 8 271.8 15% 42.3% 16 575 33% 74.9% 31.5 362.2 21 % 95.5% 36 27.4 2% 97.0% 37 52.8 3% 100.0% Total 1763.2 100% 100.0% Sub- Pebble Pavement Pavement Count D16 <2mm <2mm 1.3 D35 2.9 6.1 1.96 D50 4.6 9.9 2.9 D84 14.8 22.9 10 D95 23.9 31.5 19 D100 33.0 37.0 38 P:\Jobs3\31823267_Brushy Fork\Brushyfk\stream data\Brushy Fork\Brushy Fork Reach 2a Pav-subpav 1 10 100 1000 Particle Size (mm) Appendix B. Stream:: ~ Location: - . , Watershed: Date: Brushy Fork ~ cross section -$-thalwag ~ WS _~_ 777 _ ,~_~_ ~ .__~.~ ~.n V ~ , 776 5 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ . ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 776 ~~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ . ~ 775 5 . I I 775 I c 774 5 ~ ~ ~~ ~ ~ ~ ~ ~ I ~ ~ ~ ~ . ~~ ~~ ' 774 ° ~ ~ ~ ~ - w ~~ 773 5 ~ ' ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ . ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 773 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ '~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ , ~ ~ 772 5 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ . ~ ~ ~ ~ 772 ~ ~~ 0.0 100.0 200.0 300.0 400.0 500.0 600.0 Channel Distance (ft) P:IJobs3131823267_Brushy ForklBrushyfklstream datalBrushy ForklBrushy Fork Reach 2a Pattern & Profile (2) Brushy Fork Stream Restoration Plan Forsyth County, North Carolina APPENDIX C REFERENCE REACH DATA Brushy Fork Stream Restoration Plan Forsyth County, North Carolina SILAS CREEK Appendix C. P:Uobs3\31823267_Brushy Fork\Brushyfk\stream dataU2eference Reaches\Silas Crk Ref Rch 01_10_03.x1s Dimension Appendix C. Riffle Silas Creek 98 0 96 a m d w 94 92 90 ~- 0 10 20 30 40 50 60 Width from River Left to Right (ft) Creek hei ht of omit distant notes pt. (ft) 97.14 96.65 96.2 96.02 95.52 95.34 95.15 93.79 93.41 93.19 93.16 92.3 92.09 91.87 91.59 91.47 91.47 91.87 91.97 91.57 91.42 91.36 91.37 91.44 91.71 92.57 92.96 93.77 94.38 94.71 FS FS ~ankfull to of k 93.79 96.6 ..n., dimensions 41.4 x-section area 1.7 d mean 25.0 width 26.8 wet P 2.4 d max 1.5 h d radi 5.3 bank ht__ _ 15.1 w/d ratio 37.6 _ W Flood_prone area I.5 _ ent ratio ` U 95.86 ~'~ _ 96.62 ~~ 97.54 ~ ~ ~-~ 98.97 __ - t ~ ::,. ~- 99.17 P:Uobs3\31823267_t3rushy Fork~Brushyrk\stream data\Reference Reaches\Silas Crk Ref Rch 01 10 03.x1s Dimension Appendix C. Run Silas Creek 100 98 0 96 w 94 92 90 0 10 20 30 40 Width from River Left to Right (ft) Silas Creek Upper Yadkin of instrument mce 50 60 ..n.. 96.73 ~( l ~ ~' 91.63 91.83 92.13 91.93 91.53 91.73 91.63 91.23 91.38 91.33 dimensions 60.1 x-section area 1.8 d mean 32.8 width 35.1 wet P 2.8 d max 1.7 h d radi 5.6 bank ht 17.9 w/d ratio 40.0 W flood rone area 1.2 ent ratio 94.03 { ~ ~ 94.73 i 94.83 u, :,, . ,;. ~ - - 96.73 ~ 98.03 P:Uobs3\31823267_Brushy Fork\Brushyfk\stream data\Reference Reaches\Silas Crk Ref Rch 01_10_03.x1s Dimension C. 100 98 96 c 0 94 a~ w 92 90 88 Pool Silas Creek 0 5 10 15 20 25 30 35 40 45 Width from River Left to Right (ft) section: Pool Silas Creek U er Yadkin River description: ' • • ~ • hei ht of instrument (ft): ~ omit distance FS FS FS channel 100.14 99.53 95.71 94.74 94 93.55 bankfull top of bank slope %) r 93.79 97.29 dimensions 59.6 x-section area 2.6 d mean 23.1 width 26.6 wet P 4.0 d max 2.2 h d radi 7.5 bank ht Appendix C. ~~~'~ Glide Silas Creek 100 98 ~ 96 c 0 94 a~ w 92 90 88 0 5 10 15 20 25 30 35 40 45 50 Width from River Left to Right (ft) Creek r Yadkin River sight of instrument distance FS 99.07 96.6 96.12 93.73 92.98 92.4 91.85 91.82 91.41 91.13 91.12 91.23 91.63 91.19 91.52 92.58 ~ankfull top of bank i 93.73 97.03 4~. i x-section area 1.8 d mean 26.6 width 28.5 wet P 2.6 d max 1.7 h d radi 5.9 bank ht Appendix C. 99 98 97 96 95 94 w 93 92 91 90 89 Silas Creek Upper Yadkin River Winston-Salem, NC X X X X -..,------~--•--~--- X X • ---------~•--•----•-..•_._•--R--~ ~.. • ++ + + + + + + ~- - ~..~ 0 50 100 150 200 250 300 350 Channel Distance (ft) tbed water srt X Top of Bank + WS • BKF - -- ~ x-section P:1Jobs3\31823267 Brushy Fork\Brushyfklstream data\Reference Reaches\Silas Crk Ref Rch 01_10_03.x1s Pattern & Profile (2) Appendix C. Material Size Range (mm) t t~~~n ~ Silas Creek silUclay 0 0.06 Upper Yadkin River very fine sand 0.062 0.13 .__ Winston-Salem, NC fine sand 0.13 0.25 Note: medium sand 0.25 0.5 I coarse sand 0.5 1 Pebble Count, Silas Creek ve coarse sand 1 2 ~ 100% ry very fine gravel 2 4 ° 90% fine gravel 4 6 fine gravel 6 8 ? 80% medium gravel 8 11 m 70% medium gravel _ 11 16 I ~ ° 60% coarse gravel 16 22 c coarse gravel 22 32 ~ 50% very coarse gravel 32 45 40% ve coarse ravel 45 64 ~ d small cobble 64 90 , 30% o_ 20% medium cobble 90 128 large cobble 128 180 ! 10% ve lar a cobble 180 256 small boulder 256 362 _ 0% small boulder 362 512 0.01 0.1 1 10 100 1000 10000 medium boulder 512 1024 Particle Size (mm) -f-Cumulative Percent • Percent Item large boulder 1024 2048 _ ~ very large boulder 2048 4096 ! Size percent less than (mm) Percent by substrate type bedrock _ ~ D16 D35 D50 D84 D95 silUclay sand gravel cobble boulder bedrock Total Particle Count: 51 0.426 1.34 8.7 112 699 0% 37% 35% 18% 10% 0% I I. I V I I I I I I I I I I I I i l I i ~ I I l i l l l I II I I 1 1 1 1 1 1 ~ II I I I I I I V I I I I I 1 1 1 1 1 I V I I I I I I V I I I I I I V I I I I I i l l l I I I V I I I I I V I I I I I I V I I I I 1 1 1 1 1 1 I I I V I I I I I I V I I I I ( V I I I I I V I I I II I I I 111 I I I V I I I I I I V I I I I I I V I I I I I I V I I I I I I I I I I I I I I I I I I I V I I I I I I I i l l l I I I V I I I I I I V I I I I I 1 1 1 1 1 1 I V I I I I I I V I I I I I I V I I I I I I V I I I I I I V I I I 1 I V I I I I I V I I I I I I V I I I I I I V I I I I I I ( I I I I I I I V I I I I I I V I I I I V I I I I I I V I I I I I I V I I I I I I V I I I I I I V I I I i I V I I I I I I V I I I I I 1 1 1 1 1 I I 1 1 1 1 1 1 I 1 1 1 I I 1 1 1 1 1 1 I I I I I I I I I V I I I I I I I I I I I I 1 1 1 1 1 1 I I I I I V I I I I I I V I I I I I I V I I I I I I I I I I I V I I I ~ I I I I I I ( I I I I I I I V I I I I I V I I I I I I I I I i I V I I I I V I I I I I I V I I I I I I V I I I V I I I I I I I I I i I I I I I I I i l I I V I I I 1 1 1 1 1 1 I I I I I I I I I V I I I I I I I I I I I I I I I I I I I I I I I I 1 1 1 1 1 I I V I I 1 1 1 1 1 1 I I V I I I I I I ( I I I I I 1 1 1 1 I ~ I I I I I I I I V I I I I I V I I I I I I I I I I I I I I I I I V I I I I I I V I I I I I I V I I I i I I V I I I I I V I I I I ~ ~ i l l i l I I I 1 1 1 11 I I I V I I I I 1 I I I I II ; II I ~ ~ II II I ~ II II II I l i II ~ ~ I ~ I-i ~ I • II •~ I I I II II I ~~ ~ II ~ ~ I P:Wobs3\31823267_Brushy Fork\Brushyfk\stream data\Reference Reaches\Silas Crk Ref Rch 01_10_03.x1s Materials Brushy Fork Stream Restoration Plan Forsyth County, North Carolina UNNAMED TRIBUTARY TO BELEWS CREEK Riffle Trib. To Belews Creek 8.00 10.00 Width from River Left to Right (ft) Trib. To Belews Creek Roanoke Basin dimensions 25.7 x-section area 1.7 d mean 15.3 width 16.7 wet P 2.3 d max 1.5 h d radi 2.3 bank ht 9.1 w/d ratio 500.000 W flood rone area 32.7 ent ratio P:\Jobs3\31823267_Brushy Fork\Brushyfk\stream data\Reference Reaches\Trib to belews v2-1 T.xls Dimension Appendix C. P:\Jobs3\31823267_Brushy Fork\Brushytk\stream data\Reference Reaches\Trib to belews v2-1 T.xls Dimension Appendix C. P:Wobs3\31823267_Brushy Fork\Brushyfklstream data\Reference Reaches\Trib to belews v2-1 T.xls Dimension N ----- . - - - i- - i i -- --- -- --- ----- ~_____ 1 4 . _ ---- t i-:~l-- ---- ----- ----- ----- ---- i --- ,.k - -- - - ----- ---- I O) a0 f~ rn rn rn (}}) uoi~enal3 N w O a a~ m a x H O N O ~ Y ~ __ __. ... __ _ _ O ' ~ ~ O _ } _ __ __ __ __. __ __ ___ ___ __ __ __ __ __ __ __ __ _ __ C N ~ ~ ~ __ __ __ __ ___ __ __ __ _ _ 2 ~ o O l 9 O ¢ O I __ __ __ __ _ __ ___ __ __ __ __ p N __ __ __ __ _ __ __ ___ __ __ __ __ __ a Q .a O __ __ __ __ __ ___ __ __ __ __ ~ ~ O U -- --- --~ -- --- -- -- -- -- --- N N .. ~ j o O O N (` ~ ~ _ __ __ __ __ __ __ __ __ ___ ___ _ ___ _ __ __ __ _ __ ~ ~ ~ ~G 0) N -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --- --- --- --- -- --~ -- -- -- -- -- -- -- -- -- -- - -- -- ~ N c ~ ' V - -- -- - -- --- -- -- -- - c d ~ N 3 a~ -- -- -- -- - -- - -- - ~ m ~ a~ O O a T ~' -- _ -- __ - _ -- __ -- __ --- __ -- _ -- _ - __ -- ~ ~ (0 o • 9 __ -- -_ -- - -- - -- -- --- --- -- -- -- -- -- - -- - U ~ M ~ -- -- - - --- -- -- -- C fA p -- -- --- -- - - - -- -- -~ - d ~ W N .j ~ > 0 ~ ~ c ~ N --_ -- -- --_ -- -- -_- -- -- -_-_ -- -- --_ -- -- -_-- --- --- - -- - - -_- - -- -- -- -- O ~ E ~ v ~ Y a -- -- -- - -- --- - - - U ~ ~ o °' N 3 c ~ r -- -- - -- -- -- -- - -- -- E a~ m c L~, m _ 1- O '~ ~ -- -- -- -- -- --- -- -- -- ° aNi u°i ~ r- 1- o ~ u i ui .- -- -_ -- - - -- -- -- -- --- -- -- -- -- -- -- -- - -- E a~ ~ c~ ~ u i -- -- -- -- -- --- -- -- -- -- ~ a ~ Z -- -- -- -- -- --- -- -- -- _ _ a~ U ~ N ~ M o r _ _ ~ O (0 N Q O o 0 0 0 0 0 0 0 0 o a 0 O ~ 0 00 ~ ( 00 ~ OV M N ~ 0 O _ ~ n ue yl~ aui~ ;ua ~~ad ~ o a~ 3 -O C C ~ m a0 N (O 00 V 0 t0 O V O ~ H 0 I~ 0 ~ ~ ~ ~ ~ 0 n 0 O 0 O 0 O 0 O 0 O O O O O O O O O 0 O 0 O 0 O 0 O 0 O 0 ~ 0 N d d H C C E ~ 0 ~ N N ~ O r- N ~ (0 00 ~ ~ O ~ N N N M ~ V' ~ O 0 O N O M O N N M N_ ~ V' N 0 00 ~ (O O) 7 7 O O U U O 0 0 N V 'O 0) N U m t ~ O N _ C f0 ~ O Q ~ N O - N ~ O 0 ~- O N M ~ ~ Oi N O N M ~ d' 0 00 0 ~ d ~ N D O O .- N ~ fn N • o O ~ c c c c c N N >>> >>>>> m m m m m m m c~ m » ~ a .n ~ ~ a ~ ~ v a a v 7 7 7 7 7 ~ ° i I- ~ a ~ u1 V) N ~ ~ L ~~ ~~~ ~~~~~ 0 0 0 0 p 0 0 0 0 0 0 0 0 -O y w 4= C G C i` N` N~~ ~ d ~ ~ V V Z' N N U U N~ f0 l0 N N a (0 N a > V U a~ 1 ~ a~ ~ > a i~ > > U x a c a~ qQ Q Brushy Fork Stream Restoration Plan Forsyth County, North Carolina UNNAMED TRIBUTARY TO RICHLAND CREEK P:\Jobs3\31823267_Brushy Fork\Brushyfk\stream data\Reference Reaches\trib to richland SS.xls Dimension P:\Jobs3\31823267_Brushy Fork\Brushyfk\stream data\Reference Reaches\trib to richland SS.xls Dimension 100 99 ~ 98 c .~ °- 97 a~ w 96 95 94 Appendix C. Poo- Tributary to Richland Creek -Lake Jeanette 0 10 notes ht of instrument u 20 30 40 Width from River Left to Right (ft) 50 60 70 Tributary to Richland Creek -Lake Jeanette Cape Fear 98.38 97.82 97.58 97.8 97.29 95.93 95.13 94.37 94.56 95.12 95.73 96.41 96.48 97.33 97.63 96.97 97.3 96.73 97.55 97.76 99.02 FS FS bankfull top of ban 97.63 97'33 channel dimensions 25.8 x-section area 1.2 d mean 21.6 width 23.1 wet P 3.3 d max 1.1 h d radi 3.0 bank ht ~__ - --,. -~. _~. _ ~. _... ._r __ -:~~-~ ._ ...._..._. P:\Jobs3131823267_Brushy Fork\Brushyfk\stream data\Reference Reaches\trib to richland SS.xls Dimension Appendix C. Riffle Tributary to Richland Creek -Lake Jeanette 105 104 103 102 ~ 101 c 100 m ~ 99 w 98 97 96 95 0 20 40 60 80 100 120 140 160 Width from River Left to Right (ft) section: Riffle Tributary to Richland Creek -Lake Jeanette Ca a Fear description: ~ height of instrument (ft): ~ ~ omit distance FS FS FS W fpa channel Manning's notes rat. {ft;) (ft) elevation bankfull top of bank (ft) slope (%) "n" %~ 103.11 + [~ 102.46 98.74 100.37 102.08 101.98 ~~ 101.26 ' ~° 100.92 100.37 A - ~ 98.99 98.74 dimensions 20.1 x-section area 1.7 d mean 12.0 width 14.6 wet P 2.9 d max 1.4 h d radi 4.5 bank ht 7.2 w/d ratio 4Q.0 W flood prone area 4.1 ent ratio 97.23 97.04 96.08 96.02 95.94 95.86 95.88 ~'~ 96.71 98.44 99.38 "» 99.79 100.57 y 101.57 . 103.64 ..~._ _ _.._~. .~__ _ -.T~ ...~ .__-_ -~_~ P:\Jobs3\31823267_Brushy Fork\Brushyfk\stream data\Reference Reaches\trib to richland SS.xls Dimension P:\Jobs3\31823267_Brushy Fork\Brushyfk\stream data\Reference Reaches\trib to richland SS.xls Dimension P:\Jobs3\31823267_Brushy Fork\Brushyfk\stream data\Reference Reaches\trib to richland SS.xls Dimension o O i ~ U ~ N X I Q ~ 1 0 ~ • r ~ LL m O x 9 ~ I (0 r x N O i Y ~ ~ " 0 3 m a X I ~ U p C ~ I ~ ~ ~ ~ N d x O O M O O • C ~ i i ~ f0 laL X g N ~ y ~ ~ N f0 U X C ~ z ~ ~ c U af°i X Y ~ X O J ~ N Y N N ~j X r v c m U + ~ m ~ x ~ ~ O ~ O _ Z' > f0 ~ ~ ~~ N W G i E- ~ ~ i ~ ~; ~ e i. o0 ~~ ' o X ; • "' ~ o X ~~ 0 ' o o - ~ rn rn o rn n rn m rn ~ rn n v rn c rn 0 ~ ( u) uoi lenal3 U X 'O c m a Q Appendix C. very fine sand 0.062 0.13 fine sand 0.13 0.25 medium sand 0.25 0.5 coarse sand 0.5 1 ve coarse sand 1 2 very fine gravel 2 4 fine gravel 4 6 fine gravel 6 8 medium gravel 8 11 medium gravel 11 16 coarse gravel 16 22 coarse gravel 22 32 very coarse gravel 32 45 ve coarse ravel 45 64 small cobble 64 90 medium cobble 90 128 large cobble 128 180 `'~~ ve lar a cobble 180 256 small boulder 256 362 small boulder 362 512 medium boulder 512 1024 large boulder 1024 2048 very large boulder 2048 4096 Tributary to Richland Creek -Lake Jeanette Cape Fear Greensboro -Off of Reoencv Park Rd Pebble Count, Tributary to Richland Creek -Lake Jeanette 100% 90% 80% ~ 70% t ~ 60% LL 50% ~ 40% d 30% 20% 10% 0% V I I I I I I I I I I V I I I I I I I I I I V I I I I V I I I I I I I 1 I I ~ I I V I I I I I I I V I I I I I I ( I I I I I I I V I I I I I I V I I I I I 1 1 1 1 1 1 I I l l l V I I I I I I i l l l l 1 1 1 1 1 1 I I I I l l l i I I I l i l l l I I I V I I I I I V I I I I I I V I I I I I V I I I I 1 I V I I I I I ( V I I I I V I I I I ( V I I I I , I V I I I I I I I I I I V I I I I I V I I I ~ 1 1 1 1 1 I I I I I I ~ I I V I I I , I I V I I I I I V I I I I I I V I I I I V I I ~ II I V I I I I I ~ V I I I i V I I I I I I I I I I I I I I 1 1 1 1 1 1 1 1 1 1 1 1 I I I V I I I I I 1 1 1 1 1 1 I I 1 1 1 1 1 1 I I I V I I I I I I V I I I I I I V I I I I I I I I I I V I I I I I I I I I I I I I I I i l I , I I I I I i l I I I I I I ( I I I I I I I I I I I I V I I I I I I I I I I V I I I I ~ ~ I I I I I ~ 1 1 1 1 1 1 I 1 1 1 1 1 1 I I 1 1 1 1 1 1 , 1 1 1 1 1 1 ~ I I I I I~ I I I 1 1 1 1 1 1 I I I V I I I I I I I I I I I V I I I I I V I I I I V I I I I I i I I I I I I 1 1 1 1 1 I I I, I ' I I ( I I I I • I V I I I I I I ( I I I I I V I I I I I 1 1 1 1 1 1 , I I V I I I I I I V I I I V I I I I I I I I I I V I I I I ~ V I I I I • V I I I I I l I V I I I 11 11 I V I I I I I V I I I I I 1 1 1 1 1 I I I V I I I I I I V I I I I I 1 1 1 1 1 1 I I I V I I I II I I I II I l i • i I ( I I I I I I 1 1 1 1 1 1 I I •i~i• I i l l I 11 1 1 1 1 I I I I I I I I I 111 I I I I I I I I 1 1 1 1 1 1 1 I V I I I 0.01 0.1 1 10 Particle Size (mm) Size percent less than (mm) D16 D35 D50 D84 D95 silt/clay #N/A 0.15 0.5 3 7 20% 100 1000 10000 (Cumulative Percent • Percent Item sand gr 62% 1 P:Wobs3\31823267_Brushy Fork\Brushyfk\stream data\Reference Reaches\trib to richland SS Materials Appendix B. very fine sand 0.062 0.13 ~?` fine sand 0.13 0.25 medium sand 0.25 0.5 coarse sand 0.5 1 very coarse sand 1 2 very fine gravel 2 4 fine gravel 4 6 fine gravel 6 8 medium gravel 8 11 medium gravel 11 16 coarse gravel 16 22 coarse gravel 22 32 very coarse gravel 32 45 _ ve coarse ravel 45 64 small cobble 64 90 medium cobble 90 128 large cobble 128 180 ve lar a cobble 180 256 small boulder 256 362 small boulder 362 512 medium boulder 512 1024 large boulder 1024 2048 very large boulder 2048 4096 NC 100% 90% 80% = 70% ~ 60% a~ 50% ~ 40% 30% 20% 10% 0% Pebble Count, BRUSHY FORK CREEK ~ I ( V I I I I I I V I I I I I I V I I I I I V I I I I I I V I I I I I ( V I I I I I I I I I I I I I I I I I ( V I I I I , I V I I I I I I I I I I V I I I I I I V I I I I I I V I I I I V I I I I , I V I I I I I V I I I I 1 1 1 1 1 I I V I I I I I V I I I I I V I I I I I I l l l i I I V I I I I I V I I I I I I V I I I I I V I I I I I I I I i l l I I ( V I I I I I 1 1 1 1 I I I V I I I I I I V I I I I I I V I I I I I I V I I I I I I V I I I I I I I I I I I V I I I I I I V I I I I I V I I I I I V I I I I I I V I I I I I I I I I I V I I I I I I V I I I I I I V I I I I I I V I I I I I I I I I I I I I I I l l I I I V I I I I I I V I I I I I I V I I I I I I V I I I I I I I I I I I I V I I I I I I V I I I I I I V I I I I I V I I I I I I V I I I I I V I I I I I 1 1 1 1 1 1 I I I V I I I I I I V I I I I I 1 1 1 1 1 1 I I V I I I I I I I I. I 1 1 1 1 1 1 I ( V I I I I I ( V I I I I I V I I I I I V I I I I ~ I I I I ~ I V I I I I I V I I I I I ( V I I I I I I V I I I I I I V I I I I I ( I I I I ~ I 1 1 1 1 1 1 I V I I I I I ( V I I I I 1 1 1 1 1 1 I V I I I I I I I I I I I I I I V I I I I I I V I I I I V I I I ~ ~ I V I I I I ~ I I I I I I V I I I Il ~ I 1 1 1 11 I I I V I I I ~ II I V I I I I • I ~~ i ~I I I I I 1 1 1 1 1 1 I I i l l l l l I I 1 1 1 1 1 1 I I 1 1 1 1 1 1 I II !II I I IIIII~ • I•;•~•I ~A~IIII I I IIII~IIII II I~illl~ V III I I V III 0.01 0.1 1 Particle Size (mm) D16 D35 D50 D84 D9! 0.097 0.25 0.6 15 29 P:Wobs3\31823267_Brushy Fork\Brushyfk\stream data\Brushy Fork\Brushy Fork Reach 2a Materials Appendix B. Grain Size Distribution for Pavement/Sub-pavement Sample in Reach 2 100% m ~. i r _~. 90% z,.._._ _ .__ _... _.._._ 80% __, .._.. m 70% ~ 60% _ _.... ii 40% _ ._. 30% ~ Pavement 20% fSub-Pavement 10% 0% ~ Pebble Count 0.1 1 10 100 1000 Particle Size (mm) Sub-pavement Cumulative percent Size Weight (gm) Percent finer than 2 1230.7 25% 25.3% 4 1081.6 22% 47.5% 8 788.5 16% 63.6% 16 1170.3 24% 87.7% 29 585.5 12% 99.7% 33 15.6 0% 100.0% 97 0 0% 100.0% Total 4872.2 100% 100.0% Pebble Count Size Count ercent Cumulative Percent finer than 0.5 2 2% 2% 1 0 0% 2% 2 34 34% 36% 4 27 27% 63% 6 8 8% 71 8 6 6% 77% 11 11 11% 88% 16 4 4% 92% 22 5 5% 97% 32 2 2% 99% 45 1 1% 100% 64 0% 100% 90 0% 100% 128 0% 100% 180 0% 100% 256 0% 100% Total 100 100% 100% Size Weight (gm) Percent Cumulative percent finer than 2 317.8 18% 18.0% 4 156.2 9% 26.9% 8 271.8 15% 42.3% 16 575 33% 74.9% 31.5 362.2 21 % 95.5% 36 27.4 2% 97.0% 37 52.8 3% 100.0% Sub- Pebble Pavement Pavement Count D16 <2mm <2mm 1.3 D35 2.9 6.1 1.96 D50 4.6 9.9 2.9 D84 14.8 22.9 10 D95 23.9 31.5 19 D100 33.0 37.0 38 P:\Jobs3\31823267_Brushy Fork\Brushyfk\stream data\Brushy Fork\Brushy Fork Reach 2a Pav-subpav Brushy Fork Stream Restoration Plan Forsyth County, North Carolina APPENDIX D VANE DETAIL v m D r 'a rt d y a cn 0 rn N O O (O ~l.~ D gN e5 y N ~ y O N - p - ^ i v ` 4 N H M ~ A aa yyyyyy == Q ~S~~~~O i ~^ ~ N ~ Y M`~ M ti M » z z ~ v o ~ ~`~ ~ ~ ~ ~ ~ ~ ~ ~ G ~ _ y :, - ~ ~ ~ ~;•'~ ~ w - _ r ~ }v ~ Al _ ' Y _ ~ in c; I ` - _ ~ ' ~ i N .~ '_ _ G y - O V y ~~6 > ~ ! p j Am i ~ ~ ~~is; ~ ~~~ ' ail' ,M~ r Y~ Y Y~ V ~ ~ ; ~ ,i r~ ~ ,i _~` ~- ,~ ,i M ~ ' M A ' ~ ' 1 J ~ y ~ Qo ~ 2 ~ ~ y O H .+r ~ ~r N ~~ ;~ ~ ~ ~ f - ~ C C ~ r A ~ ' ; r O ~ i O~ y p A,~~ O ~~ ~ ~ Yr~~.~Y.i M,i Y,i ~~~J ir,J, rJ 7,J ~rJ, r ~ ~ N ~ ~~ n N y H 1 ~~, 1 t 1 ~~ y i 1 "~~ ~ ~+ K K y ~~~ ~~~ ~~~',~ O •..~ N N ~ yF ~~ i O y ~ ti ~~ ~g ~ y ~ H N ~~ Nnn f~1 t r A °i~ v s a M O M~ y ~~ ~~ ~~ uy •CO• ~ 9 2 N ~ ~~ r ~~ ~`, ' .~~ -, =`~~~ I ~i j ~''~ ~{ Wy N ' 1 0 s y _ Qj~ i O N 4 r-- ~ BRUSHY FORK .~~ww ~ r NORTH CAROLNA "` FORSYTH COUNTY 3 ~ o pEPARTI,ENT OF y g M ~ T R R N L'lGf.~S~~l ~ V~ DETAIL _ FINS G~ $ N AL U SOLitCES 1 ~' RESTORATION PLAN ~, u~ MonlfrAM- Moray draM~ Zllm .,<,.,.. ~. iVriK •yM ~•~Y4 ~Mt HAM ~il•Y~! ~~ a Q ~r H AI n K 1 '~ 7