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HomeMy WebLinkAbout20120773 Ver 1_Mitigation Plans_2012060120120773 DRAFT MUMATION PLAN Jacob's sanding Stream Restoration Site Rowan County, North Carolina 1ElEP Contract 003954 Yadkin -Pee Dee River Basin Cataloging Unit 03040105 61t "� 4c.:'ir� �`• `"' `,yT-Q rr ~�`"• _ -,• - � .z° ".'dy'._4°� :a '� � = -•".l o -,i • may.'.... _dam{ + �'r��•.rftr -r' � `, � •. i. '..ti c_ 'ww ." any'' . " .� -:eS. ^•. `� � �a �it . � dy . �_� rte.., Y gnu*, ^. - -' ra-;�,u4c :c�4' 'y�� -is; ti= ie,7�'5`_•1 h_br _ ''N 't ne s,G'1•.- s �C.r�•' � imz - .fit:'_, t � '�� �ry r� ,'�'� MV. lao IN S �s+'��` �y�; i "v . � . fj 7 � 'M - .� 'y : C {tiFl�}� • � !'.d, r i�' � V� !� �i' . �.x,,,•,���- �sj��,�'�'' ��. fir: .5, �:d - 4,.'�•''!!l�,1 a h .e .� � l'- Prepared for: ' OSI(Stem H ncenient PROGRAtA NC Department of Environment and Natural Resources Ecosystem Enhancement Program 1652 Mail Service Center Raleigh, NC 27699 -1652 June 2012 DRAFT MITIGATION PLAN Jacob's Landing Stream Restoration Site Rowan County, North Carolina EEP Contract 003984 Yadkin -Pee Dee River Basin Cataloging Unit 03040105 Prepared for: osstem zaR ement PROGRAM NC Department of Environment and Natural Resources Ecosystem Enhancement Program 1652 Mail Service Center Raleigh, NC 27699 -1652 Prepared by: ®a� mm==.6� ®a® tee_ KC1 :�F ENVIRONMENTAL TECHNOLOGIES KCI AND CONSMUCRON INC THCI INOLOGIFS KCI Associates of North Carolina, PA 4601 Six Forks Rd, Suite 220 Raleigh, NC 27609 (919) 783 -9214 June 2012 Draft Mitigation Plan EXECUTIVE SUMMARY Jacob's Landing Stream Restoration Site This mitigation plan has been written in conformance with the requirements of the following • Federal rule for compensatory mitigation project sites as described in the Federal Register Title 33 Alavigation and Navigable Wate►s Volume 3 Chapter 2 Section § 332 8 paragraphs (c)(2) through (c)(14) • NCDENR Ecosystem Enhancement Program In -Lieu Fee Instrument signed and dated July 28, 2010 These documents govern NCEEP operations and procedures, for the delive►y of compensalo►y mitigation The Jacob's Landing Stream Restoration Site is a full - delivery mitigation project being developed for the North Carolina Ecosystem Enhancement Program (EEP). The site offers the opportunity to restore and enhance a series of headwater tributaries to Irish Buffalo Creek. This project will return these tributaries to a stable stream ecosystem, lower the sediment supply entering Irish Buffalo Creek, and reduce incoming nutrients from livestock. This project also looks to expand aquatic and terrestrial habitat in the Rocky River Watershed (03040105). The project is located in the Irish Buffalo Creek Drainage (03040105020040), which the EEP has identified as a Targeted Local Watershed. The project goals address stressors identified in the TLW and include the following: - Restore a diverse riparian corridor that connects forested stream systems upstream and downstream of the project. - Reduce the sediment supply entering Irish Buffalo Creek. The project goals will be addressed through the following objectives: - Restore stable channel planforms to streams that have been straightened and modified. - Reshape and stabilize eroding stream banks. - Plant the site with native trees to help reestablish a diverse riparian corridor. - Install exclusion fencing and alternative watering options to keep livestock out of the project streams. The majority of the site is currently used for pasture. Past anthropogenic modifications have involved logging, grazing, and channelization. Four separate streams make up the site: Tributary 1 (TI) begins in the northwestern project corner, Tributary I A (T 1 A) flows south to join T 1; Tributary 2 (T2) comes onto the site from the northeastern corner; and Tributary 2A (T2A) originates on the property from seep flow to then join T2. TI and T2 come together just south of the project boundary before joining another tributary to form Irish Buffalo Creek. The mitigation approach for the Jacob's Landing Stream Restoration Site will focus on repairing isolated sections of bed degradation and bank erosion, and restoring the unstable reaches that have been straightened or severely degraded by cattle. Once site grading is complete, the stream buffers will be planted as Piedmont Alluvial Forest (Schafale and Weakley 1990). The site will be monitored for five years or until the success criteria are met. Draft Mitigation Plan Jacob's Landing Stream Restoration Site Table 1. Jacob's Landing Stream Restoration Site - Mitigation Summary Reach Mitigation Type Priority Approach Existing Linear Footage Designed Linear Footage Mitigation Units TI -I Restoration 112 326 303 303 TI -2 Enhancement II - 158 109* 44 TI -3 Restoration P2 846 893 893 TIA Restoration P2 294 178 178 T2 -1 Restoration P2 1.800 1.581* 1.581 T2 -2 Restoration P2 1.135 1.060* 1.060 T2A Enhancement1 465 465 310 Total Stream Enhancement 1 465 465 310 Total Stream Enhancement 11 158 109 44 Total Stream Restoration 4.401 4.015 4.015 Total Mitigation Units 4.369 *Mitigation units have been calculated to exclude the easement exceptions and water utility easements. Draft Mitigation Plan TABLE OF CONTENTS Jacob's Landing Stream Restoration Site 1.0 RESTORATION PROJECT GOALS AND OBJECTIVES .................. ..............................1 2.0 SITE SELECTION ..................................................................................... ..............................1 2.1 Directions ...................................................................................................... ..............................1 2.2 Site Selection ................................................................................................ ..............................1 2.3 Vicinity Map ................................................................................................. ..............................3 2.4 Watershed Map ............................................................................................. ..............................4 2.5 Soil Survey ................................................................................................... ..............................5 2.6 Current Condition Plan View ....................................................................... ..............................6 2.7 Historical Condition Plan View .................................................................... ..............................7 2.8 Site Photographs ........................................................................................... ..............................9 3.0 SITE PROTECTION INSTRUMENT .................................................... .............................13 3.1 Site Protection Instrument Summary Information ..................................... ............................... 13 3.2 Site Protection Instrument Figure .............................................................. ............................... 13 4.0 BASELINE INFORMATION .................................................................. .............................14 4.1 Watershed Summary Information .............................................................. ............................... 15 4.2 Geology and Soils Information .................................................................. ............................... 15 4.3 Reach Summary Information ..................................................................... ............................... 15 4.4 Regional Curve Discharge ........................................................................... .............................21 4.5 Wetland Summary Information ................................................................... .............................22 4.6 Regulatory Considerations ........................................................................... .............................22 5.0 DETERMINATION OF CREDITS ......................................................... .............................22 6.0 CREDIT RELEASE SCHEDULE ........................................................... .............................23 7.0 MITIGATION WORK PLAN .................................................................. .............................24 7.1 Target Stream Type and Plant Communities ............................................... .............................24 7.2 Design Parameters ..................................................................................... ............................... 25 7.3 Data Analysis ............................................................................................... .............................26 7.4 Reference Streams ..................................................................................... ............................... 27 7.5 Sediment Transport Analysis ....................................................................... .............................31 7.6 Proposed Mitigation Plan View ................................................................... .............................33 8.0 MAINTENANCE PLAN ........................................................................... .............................34 9.0 PERFORMANCE STANDARDS ............................................................ .............................34 10.0 MONITORING REQUIREMENTS ........................................................ .............................36 11.0 LONG -TERM MANAGEMENT PLAN ................................................. .............................37 12.0 ADAPTIVE MANAGEMENT PLAN ..................................................... .............................37 13.0 FINANCIAL ASSURANCES ................................................................... .............................37 14.0 OTHER INFORMATION ........................................................................ .............................38 14.1 Definitions ................................................................................................. ............................... 38 14.2 References ................................................................................................. ............................... 39 Draft Mitigation Plan TABLES Jacob's Landing Stream Restoration Site Table 1. Jacob's Landing Stream Restoration Site - Mitigation Summary ............... .............................ii Table2. Project Information .................................................................................. ............................... 14 Table3. BEHI Data ................................................................................................. .............................18 Table4. Bankfull Discharge .................................................................................. ............................... 19 Table 5. Determination of Credits ........................................................................... .............................22 Table 6. Morphological Design Criteria .................................................................. .............................29 Table7. Sediment Analysis ..................................................................................... .............................31 APPENDICES Appendix A. Conservation Easement (Preliminary) Appendix B. Baseline Information Data Appendix C. Mitigation Work Plan Data and Analyses Appendix D. Project Plan Sheets iv Draft Mitigation Plan Jacob's Landing Stream Restoration Site 1.0 RESTORATION PROJECT GOALS AND OBJECTIVES EEP develops River Basin Restoration Priorities (RBRPs) to guide its restoration activities within each of the state's 54 Cataloging Units (CUs). RBRPs delineate specific watersheds that exhibit both the need and opportunity for wetland, stream and riparian buffer restoration. These watersheds are called Targeted Local Watersheds (TLWs) and receive priority for EEP planning and restoration project funds. The 2009 Lower Yadkin Pee -Dee RBRP identified population growth, urban stormwater and agricultural activities as major stressors within the 8 -digit Cataloging Unit (03040105). Overall watershed restoration goals for this CU include management of stormwater runoff and protection of aquatic habitat for rare species (NCDENR, EEP 2009). The 2009 Lower Yadkin Pee -Dee RBRP identified HUC 03040105020040 (Irish Buffalo Creek) as a Targeted Local Watershed. Major stressors identified within the 46- square mile Irish Buffalo Creek TLW include animal operations and impervious cover. Reduction of sediment inputs and protection of Water Supply Waters serving the City of Kannapolis are primary goals of any stream restoration efforts undertaken within this TLW (NCDENR. EEP 2009). The Jacob's Landing Stream Restoration Site was identified as a stream restoration opportunity to restore and enhance headwater streams within the TLW by addressing some of the local watershed stressors. The project goals address stressors identified in the TLW and include the following: - Restore a diverse riparian corridor that connects forested stream systems upstream and downstream of the project. - Reduce the sediment supply entering Irish Buffalo Creek. The project goals will be addressed through the following objectives: - Restore stable channel planforms to streams that have been straightened and modified. - Reshape and stabilize eroding stream banks. - Plant the site with native trees to help reestablish a diverse riparian corridor. - Install exclusion fencing and alternative watering options to keep livestock out of the project streams. 2.0 SITE SELECTION 2.1 Directions The Jacob's Landing Stream Restoration Site is west of China Grove and north of Kannapolis, located off of Saw Road. To reach the site from Raleigh: proceed west on 1 -40 for approximately 62 miles. Then travel on 1 -85 south toward High Point /Charlotte for approximately 50 miles. Take Exit 68 toward China Grove on US -29 south. Turn right on NC -152 on East Church Street for approximately 5 miles and then turn left onto Saw Road. The site is located approximately 0.3 mile south on Saw Road (See 2.3 Vicinity Map). 2.2 Site Selection The site is part of the 03040105 Watershed Cataloging Unit (Rocky River). The Rocky River Watershed as a whole is experiencing a large amount of habitat alteration due to population growth from Charlotte and its surrounding metropolitan area. The drainage is expected to gain an estimated 950,000 new residents by 2030 (NCDENR, EEP 2009). As a result, the focus in this watershed is on mitigating impacts from stormwater and protecting existing habitat (NCDENR, EEP 2009). Draft Mitigation Plait Jacob's Landing Stream Restoration Site The North Carolina Division of Water Quality (NCDWQ) assigns surface waters a classification in order to help protect, maintain, and preserve water quality. The site is located in a water supply watershed; Irish Buffalo Creek flows into Kannapolis Lake, which is the primary water source for the City of Kannapolis. The section of Irish Buffalo Creek immediately below the project site (DWQ 13- 17- 9- (0.5)) is classified as a Class C, Water Supply III (WS -III) (NCDENR, DWQ 2012b). Class C Waters in North Carolina are protected for secondary recreation, fishing, wildlife, fish and aquatic life propagation and survival, agriculture, and other uses suitable for Class C. Secondary recreation includes wading, boating, and other uses involving human body contact with water where such activities take place in an infrequent, unorganized, or incidental manner. There are no restrictions on watershed development or types of discharges. Water Supply 111 (WS -111) Waters used as sources of water supply for drinking, culinary, or food processing purposes where a more protective WS -1 or II classification is not feasible. These waters are also protected for Class C uses. WS -111 waters are generally in low to moderately developed watersheds. Downstream of Kannapolis Lake, Irish Buffalo Creek is listed as impaired on the 2012 North Carolina 303(d) list- Category 5 (Unit 13- 17- 9 -(2)) listed for turbidity and copper violations (NCDENR, DWQ 2012a). The Lower Yadkin Pee -Dee River Basin Restoration Priorities 2009 report noted that several animal operations existed in the Irish Buffalo Creek watershed and that there was potential for future restoration projects to add to the ecological uplift in the watershed (NCDENR, EEP 2009). Based on correspondence with the landowner, the site has been actively used for timber and cattle production for over five generations. Historic aerials were examined for any additional infonnation about how the site hydrology and vegetation has changed over the last century. The reviewed aerials are included in Section 2.7 Historical Condition Plan View. Historic aerials were obtained from Rowan County NRCS and the USGS Earth Explorer for 1936, 1949, 1965, 1983, 1993, 1998, 2006, and 2009. The photographs show that as early as 1936 the lower portion of the site had straightened stream channels and by 1949 sparse riparian vegetation. In the upper part of the site, the western tributaries remained partially forested, but were cleared close to the stream channels. The eastern tributaries were primarily cleared at this time. By 1965, the upper western tributaries had regained denser forest cover while the lower portions of the site remained cleared and straightened. The site condition did not change much by 1983. By 1993, the western tributaries had developed into mixed forest. In 1993 and 1998, the vegetation remained sparse along the eastern side of the site. Moving into 2006, the site's vegetation cover stayed the same. In 2009, the pines along the western side of the site had been logged and replanted. Draft Mitigation Plan 2.3 Vicinity Map Jacob's Landing Stream Restoration Site x 152 � Y O ry � r HINA G I153 D"I Rd DAVIE :e KANNAPOLIS REDELL DAVIDSON 29 136 ROWAN s 0 CABARRUS ZS TAN L Y x PROJECT SITE VICINITY MAP N 0 D75 +5 JACOB'S LANDING STREAM RESTORATION SITE ROWAN COUNTY, NC 3 Draft Mitigation Plan 2.4 Watershed Map Jacob's Landing Stream Restoration Site } eA —�•a ��1', �,! �1 �-� �� Conservation Easement Project Watershed (459 ac / 0.72 sq- mi.) fi PROJECT SITE WATERSHED MAP o !% 2,d F eet Enoclwi DRGs JACOB'S LANDING STREAM RESTORATION SITE sowe•.uscs0)Qu aC. A F ROWAN COUNTY, NC b (1970) Quad. 4 Draft Mitigation Plan 2.5 Soil Survey Jacob's Landing Stream Restoration Site Draft Mitigation Plan 2.6 Current Condition Plan View Jacob's Landing Stream Restoration Site Draft Mitigation Plan 2.7 Historical Condition Plan View Jacob's Landing Stream Restoration Site Draft Mitigation Plan Jacob's Landing Stream Restoration Site Historical Condition Plan View Draft Mitigation Plan 2.8 Site Photographs 1/24/2011 Jacob's Landing Stream Restoration Site Looking downstream at TI-2. 2/21/2012 Draft Mitigation Plan Jacob's Landing Stream Restoration Site Looking downstream at the beginning of TI A. 1/2412011 Draft Mitigation Plan Looking downstream at T2 -1. 2/15/2012 1,00kmg upstream at cattle crossing on 12 -1. Z/15/2U12 Jacob's Landing Stream Restoration Site Draft Mitigation Plan Jacob's Landing Stream Restoration Site Looking downstream at incised banks on T2A. 2/21/2012 12 Looking downstream at incised banks on T2A. 2/21/2012 Draft Mitigation Plan 3.0 SITE PROTECTION INSTRUMENT 3.1 Site Protection Instrument Summary Information Jacob's Landing Stream Restoration Site The project site will be placed in a permanent conservation easement held by the State of North Carolina and will consist of 13.9 acres. All site protection instruments require 60 -day advance notification to the US Army Corps of Engineers (USACE) and the State prior to any action to void, amend, or modify the document. No such action shall take place unless approved by the State. 3.2 Site Protection Instrument Figure The land required for the construction, management, and stewardship of this mitigation project includes one parcel owned by the following entities in Rowan County; Martha Myers Deal Revocable Trust, Oscho Roy Deal, Oscho Roy Deal Revocable Trust. The preliminary conservation easement boundary has been included in Appendix A. 13 Draft Mitigation Plan 4.0 BASELINE INFORMATION Table 2. Proiect Information Jacob's Landing Stream Restoration Site Project Information Project Name Jacob's Landing Stream Restoration Site County Rowan Count), Project Area (acres) 13.9 acres Project Coordinates (lat. and long.) 35.552956 N. 80.6531 16 W Project Watershed Summary Information Ph ysio ra hic Province Piedmont River Basin Yadkin -Pee Dee IISGS Hydrologic Unit 8 -digit 03040105 IISGS Hydrologic Unit 14- di it 03040105020040 D11'Q Sub -basin 13 -17 -09 Project Drainage Area 459 acres/0.72 square miles Project Drainage Area Percentage of Im ervious Area o 2.3 /o / 6 acres CGIA Land Use Classification 4.8% Cultivated. 60.1 %Managed Herbaceous Cover, and 35.1 %Mixed Upland Hardwoods. Reach Summar Information Parameters TI -I T1 -2 "I'1 -3 T1A T2A T2 -1 T2 -2 Length of reach (linear feet) 326 158 846 294 465 1,800 1.135 Valley classification VIII Vill VIII Vill Vill Vill VIII Drainage area (acres) 239.0 241.4 258.6 136.9 35.7 147.5 200.6 NCDWQ Water Quality Classification Class C, WSIII Class C. WSIII Class C. WS111 Class C. WSIII Class C. WS111 Class C. WS111 Class C. WS111 Morphological Description (stream type) Modified Modified Modified Modified Modified Modified Modified Evolutionary trend Ditching and Pasture Ditching and Pasture Ditching and Pasture Ditching and Pasture Ditching and Pasture Ditching and Pasture Ditching and Pasture Mapped Soil Series Chewacla loam Che+vacla loam Chewacla loam Chew acla loam Pacolet sandy loam Pacolet sandy loam Che+vacla loam Drainage class Poorly drained Poorly drained Poorly drained Poorly drained Well drained Well drained Poorly drained Soil Hydric status Non hydric Non hydric Non hydric Non hydric Non hydric Non hydric Non hydric Slope 0 -2% 0 -2% 0 -2% 0 -2% 0 -2% 0 -2% 0 -2% FEMA classification N/A N/A N/A N/A N/A N/A N/A Native vegetation community Mixed hardwoods Mixed hardwoods Pasture Mixed hardwoods Pasture Pasture Pasture Percent composition of exotic invasive vegetation 10 -25% 10 -25% 0% 0% 0% 0% 0% Regulatory Considerations Regulation Applicable? Resolved? Supporting Documentation Waters of the United States — Section 404 Yes Submitting NWP 27 following Mitigation Plan approval N/A Waters of the United States — Section 401 Yes Submitting NWP 27 following Mitigation Plan approval N/A Endangered Species Act* No N/A N/A Historic Preservation Act* No N/A N/A Coastal Zone Management Act * (CZMA)/ Coastal Area Management Act (CAMA) No N/A N/A FEMA Flood lain Compliance No N/A N/A Essential Fisheries Habitat* No N/A N/A * Items addressed in the Categorical Exclusion in Appendix B. 14 Draft Mitigation Pleat Jacob's Landing Streant Restoration Site 4.1 Watershed Summary Information The site is part of the 03040105 Rocky River Watershed Unit (Rocky River). The Rocky River Watershed as a whole is experiencing extensive habitat alteration due to population growth from Charlotte and its surrounding metropolitan area. The project drainage is comprised of 0.72 square mile (459 acres) that flow through the project floodplain before reaching Irish Buffalo Creek, which ultimately flows into the Kannapolis Lake downstream of the project site. Current land use in the project watershed (See 2.4 Watershed Map) consists of cultivated land (22 ac /4.8 %), managed herbaceous cover (276 ac /60. I%), and mixed upland hardwoods (161 ac /35.1 %) (NCCGIA Land Cover, 2006). The approximate total impervious cover of the project watershed is 2.3% (6 acres). This estimate was developed using the following percent impervious estimates: agricultural (2 %) and forest (0 %). The surrounding area is rural with moderate development pressure. The project area is located in the United States Geological Survey USGS Enochville Quadrangle (1970). According to the Rowan County Land Use Plan the Jacob's Landing Stream Restoration Site is located in "Area 3" of their land use plan (Benchmark, 2009). This area of the county will encourage "conservation subdivision" design for all proposed developments greater than 20 acres in size. The rural character of the area will be preserved by promoting the clustering of small residential tracts while preserving open space and farmland. If the watershed that drains to the project site is developed, one acre lot sizes will be the minimum allowed lot size. Based on this information, and the stormwater requirements for new development, it does not appear that the project will be significantly impacted by stormwater discharges, even if a full build -out scenario is implemented in the watershed. 4.2 Geology and Soils Information The site lies within the Southern Outer Piedmont (Level IV 45b) ecoregion of the Piedmont physiographic province. This area is characterized by irregular plains with low rounded hills and ridges consisting of low to moderate gradient streams with mostly cobble, gravel and sandy substrates. The underlying rocks of the area consist of gneiss, schist and granite covered with deep saprolite and mostly red, clayey subsoils. According to the soil survey for Rowan County, the soils within the project site are mapped as Chewacla loam for the northwestern and southern portions of the site and Pacolet sandy loam for the northeastern tributaries as shown in 2.5 Soil Survey. Chewacla loam is described as a very deep, somewhat poorly drained soil that occurs within river or stream valleys and drainage ways of the piedmont. Pacolet sandy loam is a very deep and well- drained soil that occurs within narrow ridges and side slopes in piedmont uplands. (Soil Survey of Rowan County, NC, NRCS, 2004). 4.3 Reach Summary Information Existing Streams The streams at the Jacob's Landing Stream Restoration Site have been impacted by a history of logging and grazing (See 2.8 Site Photographs). Four separate streams make up the site: Tributary I (TI) begins in the northwestern project corner, Tributary IA (TI A) flows south to join T1; Tributary 2 (T2) comes onto the site from the northeastern corner; and Tributary 2A (T2A) originates on the property from seep flow to then join T2. TI and T2 come together just south of the project boundary before joining another tributary to form Irish Buffalo Creek (See 2.6. Current Condition Plan View). TI comes onto the site in the northwestern corner of the property and is a perennial first -order stream that flows for approximately 1,330 linear feet through the Jacob's Landing Stream Restoration Site. The stream's drainage originates from the forested slopes south of State Highway 152, where the B -type channel comes down through a moderately steep valley. T1 -1 flows southeast with isolated bank erosion 15 Draft Mitigation Plan Jacob's Landing Stream Restoration Site and thick invasive vegetation (primarily Chinese privet) on the banks. Downstream, T1 -2 enters a more heavily wooded section with a steeper slope along the left bank. TI-3 flows through the wooded section through a wooden gate and moves into the open pasture. T1 -3 flows approximately 680 linear feet through the pasture before it reaches the southern project boundary. The stream has been straightened and consequently lacks the appropriate stream planform. The riparian zone has sparse to no vegetation and the banks are actively widening and eroding. A culverted crossing is on T1 -3 before it leaves the property. T1A is a perennial first -order stream that enters the site from the northern project boundary and occupies a similar landscape position to TI. Its drainage area also begins south of State Highway 152 and flows south out of a pond upstream of the project site. Once onto the Jacob's Landing Stream Restoration Site, the stream is a B -type channel approximately 294 linear feet in length before it reaches the confluence with TI. The tributary enters from a mature forested system upstream, but the riparian vegetation in the project reach is less mature than that upstream and consists of a few mature trees mixed in with shrubs and invasive species. As a result, there are sections of banks without rooted protection that are eroding. T I A has developed torturous meanders as a result of the riparian modifications. T2 begins from the northeastern corner of the project and is a perennial first -order stream that flows for approximately 2,935 linear feet until reaching the southern edge of the Jacob's Landing Stream Restoration Site. Upstream of the project, T2 originates from a farm pond and then travels through a mature forested slope to reach the start of the project. Once onto the Jacob's Landing Stream Restoration Site, the stream comes out into a broader valley type where the riparian vegetation has been removed aside from isolated mature trees. Livestock have had access to the channel and they have further impacted the bank stability and increased rates of erosion. The existing channel begins with a low width -to -depth ratio and high bank heights. Eroding slopes within the valley have contributed additional sediment to the stream and further induced scour and downcutting. The channel has tried to adjust by becoming more highly sinuous. At approximately 1,300 linear feet downstream on T2, there is a culverted crossing across the channel and then the stream begins to move to the south and into an entrenched position in the valley. The stream is characterized by high, eroding banks. Downstream, a bedrock feature serves as grade control by keeping a large headcut from continuing to migrate upstream. At 1,800 linear feet along T2, T2A enters from the east. Shortly after the confluence, there is wooden gate across the channel and then the stream enters a broader valley type. Here the cattle have severely impacted the channel. There is no riparian vegetation and the stream is actively eroding. Another culverted crossing goes over the channel, and after this point the stream runs along a steep valley slope on the left bank before leaving the project site. T2A is the only stream that originates on the project and is a perennial, first- order, seep- driven stream that flows west until the confluence with T2. The T2A reach begins at a makeshift tire fence across the channel. Upstream of the reach, the flow originates out of deep rock gulch. According to the landowner, the stream has persistent base flow. The stream is deeply entrenched with vertical valley walls. The riparian vegetation has been removed, which has allowed the steep banks to begin eroding and obscured the pool and riffle features in the tributary. The valley begins to open up as the channel makes its way to the confluence with T2. All project reaches (existing) were evaluated using NCDWQ Stream Classification Forms in February 2012 (Appendix Q. The NCDWQ forms were used to determine if the tributaries were classified as perennial or intermittent streams. A numerical value of at least 30 points is determined from the NCDWQ stream identification form to classify the stream as a perennial stream (NCDENR, September I, 2010). All project reaches scored a numerical value of at least 30 points. 101 Draft Mitigation Plan Jacob's Landing Stream Restoration Site Channel Classification TI -1 begins as a "G4" stream type with an entrenchment ratio of 1.5, a width -to -depth ratio of 9.6, and a bank height ratio of 1.6. Downstream, after the confluence with T I A, the channel classifies as an "E4" stream type with a very low width -to -depth ratio of 3.7, and an entrenchment ratio of 2.5. The stream then continues downstream through the pasture with an entrenchment ratio of 3.3 and a very low width -to- depth ratio of 5.2, classifying the stream as "G4" before reaching Irish Buffalo Creek. T I A is classified as an "E4" stream type with an entrenchment ratio of 1.9, a moderate width -to -depth ratio of 9.3, and a bank height ratio of 2.2 as it reaches the confluence of T I -1. T2 -1 begins as an "E4" stream type with an entrenchment ratio of 2.3 and a low width -to -depth ratio of 8.4. After T2A enters from the east, T2 -2 is classified as "F4" stream type with an entrenchment ratio of 1.4, a width -to -depth ratio of 12.9, and a very high bank height ratio of 4.7. Further downstream, the channel is classified as a "G4" with a low width -to -depth ratio. T2A is deeply entrenched and classified as a "G4" stream type with an entrenchment ratio of 1.7, a moderate width -to -depth ratio of 12.8, and a high bank height ratio of 6.3. The stream continues to be entrenched as it reaches the confluence of T2 -2. Channel Morphology (Pattern, Dimension, and Profile) A Rosgen Level III assessment was conducted to gather existing stream dimension, pattern, and profile data to determine the degree of channel instability. Channel cross - sections were surveyed at eleven representative locations along the project, one location each on T I -1, T 1 -3, T I A and T2A, as wel I as two locations each on TI-2, T2 -1, and T2 -2. Data developed from these surveys are presented in a channel morphology summary in Appendix C. Channel Stability Assessment A qualitative stability assessment was performed to estimate the level of departure and determine the likely causes of the channel disturbance. This assessment facilitates the decision- making process with respect to restoration alternatives and establishing goals for successful restoration. Streambank measurements were taken on the following characteristics; bank heights, bank angles, materials, presence of soil layers, rooting depth, rooting density and percent of bank protection. The data was used to develop the Bank Erodibility Hazard Rating (BEHI) forms for all reaches (Appendix C), (Rosgen, 2001). A total of nineteen BEHI rating forms were performed and completed for all reaches. Table 3 summarizes total BEHI values for all reaches. T1 -1 exhibited BEHI ratings of moderate 29.8, high 33.2, and very high 40.7 with a bank height ratio at 1.6. The Ti-2 assessment exhibited a high BEHI rating of 34.9 with bank height ratios in the project reach ranging from of 1.9 to 2.2. TI -3 exhibited BEHI ratings of moderate 29.0, high 36.6, and very high 40.9 with a bank height ratio of 1.9. The T I A assessment exhibited BEHI ratings of moderate 29.8, high 38.8, and very high 40.1 with a bank height ratio at 2.2. T2 -1 exhibited moderate 28.8, high 38.3, and very high 40.5 BEHI ratings with bank height ratios in the project reach ranging from 1.5 to 2.0. T2 -2 assessment exhibited BEHI ratings of moderate 29.3, high 39.4, and very high 41.3 with bank height ratios in the reach ranging from 2.9 and 4.7. TIA exhibited moderate 29.8, high 38.8, and very high 40.1 BEHI ratings with a bank height ratio of 6.3. The reaches exhibit characteristics of unstable stream channels. High bank height ratios ( >1 -2) are typical of incised and /or channelized streams. Most notably, the channels show evidence of bank erosion and undercutting along with channelization in portions of each reach. Furthermore, several sections do not have vegetation on the banks and consequently lack rooting strength and cover protection. The high bank height ratio indicates the lack of a bankfull or floodplain feature along the stream to provide any access during high flow events. 17 Draft Mitigation Plait Table 3. BEHI Data Jacob's Landing Stream Restoration Site Bankfull Verification The standard methodology used in natural channel design is based on the ability to select the appropriate bankfull discharge and generate the corresponding bankfull hydraulic geometry from a stable reference system(s). The determination of bankfull stage is the most critical component of the natural channel design process. Bankfull can be defined as "the stage at which channel maintenance is most effective, that is, the discharge at which moving sediment, forming or removing bars, forming or changing bends and meanders, and generally doing work that results in the average morphologic characteristics of the channels," (Dunne and Leopold, 1978). Several characteristics that commonly indicate the bankfull stage include: incipient point of flooding, breaks in slope, changes in vegetation, highest depositional features (i.e. point bars), and highest scour line. The identification of bankfull stage, especially in a degraded system, can be difficult. Therefore, verification measures were undertaken to validate the correct identification of the bankfull stage on all project reaches. 18 Left Bank Right Bank Total BEHI Linear Footage BEHI Linear Footage BEHI Rating Linear Footage TI-I Very High Very High 70 40.7 70 High 20 High 40 33.2 60 Moderate 30 Moderate 1 15 29.8 1 45 Reach Total 50 125 TI -2 - - High 40 34.9 40 Reach Total - 40 TI-3 Very High 45 Very High 90 29.0 135 Hi h 50 High 100 36.6 150 Moderate 110 Moderate 33 40.9 143 Reach Total 205 223 TIA Very High 60 Very High 47 29.8 107 Hi h 20 High 15 38.8 35 Moderate 23 Moderate - 40.1 23 Reach Total 103 62 T2 -1 Very High 340 Very High - 28.8 340 High 50 High 95 1 38.3 145 Moderate 145 Moderate 130 40.5 275 Reach Total 535 225 T2 -2 Very High 85 Very High 145 29.3 230 High 250 High 135 39.4 385 Moderate 160 Moderate 145 41.3 305 Reach Total 495 425 T2A Very High 70 Very High 5. 125 High 30 High 15 39.6 45 Moderate 30 Moderate 55 11 42.5 85 Reach Total 1 130 125 Bankfull Verification The standard methodology used in natural channel design is based on the ability to select the appropriate bankfull discharge and generate the corresponding bankfull hydraulic geometry from a stable reference system(s). The determination of bankfull stage is the most critical component of the natural channel design process. Bankfull can be defined as "the stage at which channel maintenance is most effective, that is, the discharge at which moving sediment, forming or removing bars, forming or changing bends and meanders, and generally doing work that results in the average morphologic characteristics of the channels," (Dunne and Leopold, 1978). Several characteristics that commonly indicate the bankfull stage include: incipient point of flooding, breaks in slope, changes in vegetation, highest depositional features (i.e. point bars), and highest scour line. The identification of bankfull stage, especially in a degraded system, can be difficult. Therefore, verification measures were undertaken to validate the correct identification of the bankfull stage on all project reaches. 18 Draft Mitigation Plan Jacob's Landing Stream Restoration Site The regional hydraulic geometry relationships (regional curves) were utilized to compare the bankfull discharge calculated from the field identification. Regional curves are typically utilized in ungauged areas to approximate bankfull discharge, area, width, and depth as a function of drainage area based on interrelated variables from other similar streams in the same hydrophysiographic province. Regional curves and corresponding equations from "Bankfull Hydraulic Geometry Relationships for North Carolina Streams" (Harman et al., 1999) were used to approximate bankfull in the project reaches. Based on the regional curves, a bankfull discharge and cross - sectional area were estimated for all reaches. For TI - I and T1 -2, the regional curve estimates a bankfull discharge of 46 ft3 /s and a cross - sectional area of 11.4 ft2. For T 1 -3, the regional curve estimates a bankfull discharge of 48 ft3 /s and a cross - sectional area of 12 ft2. For T1A, the values were estimated at 27 ft3 /s, and 7 ft2. For T2 -1, the regional curve estimates a bankfull discharge of 32 ft3 /s and a cross - sectional area of 8.2 ft2, while T2 -2 estimates a bankfull discharge of 40 ft3 /s and a cross - sectional area of 10.1 ft2. For T2A, the values were estimated at 12 ft3 /s and 3.2 ft2. A similar reach of UT to Irish Buffalo Creek, located 400 linear feet upstream on the existing project reach T1, was surveyed for a reference stream by KCI in February 2012. KCI analyzed the relationship between drainage area and discharge to the NC rural piedmont regional curve data. The results indicated the bankfull cross - sectional area and discharge for the reference stream reveal consistent plotting of the regional curve data, demonstrating that bankfull stage is suitable at the reference stream. Since this stream is located upstream TI, KCI feels that it is a suitable reference for the project reaches. The method used to confirm bankfull stage at Jacob's Landing Stream Restoration Site was bankfull field identification. Field identification of bankfull indicators on existing cross - sections were utilized on T2 and UT to Irish Buffalo Creek Reference Reach (TI). For T2 -1, XS -1 bankfull field indicators resulted in a discharge of 31 ft3 /s, which correlated to the regional curve bankfull discharge of 32 ft3 /s. For the reference reach cross - section, bankfull field indicators resulted in a discharge of 25 ft3 /s, which is similar to the regional curve bankfull discharge of 25 ft3 /s. After analyzing the bankfull verification results, the design discharges were set for the project reaches. The design bankfull discharges are shown in Table 4. Table 4. Bankfull Discharge Parameters RefXSnee T1 -1 T1 -2 T1 -3 TIA T2A T2 -1 T2 -2 Regional Curve 25 ft3 /s 46 ft3 /s 46 ft3 /s 48 ft3 /s 27 ft3 /s 12 ft3 /s 32 ft3 /s 40 ft3 /s Bankfull Field Indicators XS_ 1 31 ft' /s Design Discharge 46 ft3 /s 45 ft3 /s 47 ft3 /s 27 ft3 /s 12 ft3 /s 33 ft3 /s 40 ft3 /s UT to Irish Buffalo Creek Reference (T1) Discharge 25 ft3 /s Bankfull data for the project reaches were compared with the NC rural piedmont regional curve. The proposed cross - sectional areas and bankfull discharge for the reaches are shown overlaid with the NC rural piedmont regional curve in (4.4 Regional Curve Discharge). Analysis of the bankfull cross - sectional areas and discharge for the project reaches reveal consistent correlation with the NC rural piedmont regional curve data M Draft Mitigation Plan Vegetation Jacob's Landing Stream Restoration Site Because of previous cattle impacts and logging at Jacob's Landing Stream Restoration Site, no distinct vegetative communities exist on the site. The vegetation within the project area is primarily comprised of open pastures dominated by various grass species and small understory trees. The start of TI is in early successional growth with riparian vegetation limited to small trees and shrubs or herbaceous vegetation. The dominant species consist of tulip poplar (Liriodendron tidipifera), red maple (Ater rubrum), and box elder (Ater negundo). Chinese privet (Ligustrum sinense) and multiflora rose (Rosa multiflora) are the main invasive species interspersed along the upstream portion of T1. These species will be mechanically removed during the construction phase of the project and any remaining plants will be treated. Treatment techniques may vary based on seasonality, the concern for drift and the size of the plants and stems. Basal bark spray of Garlon 4 (triclopyr ester) and foliar spraying of Rodeo (glyphosate) or Escort XP (metsulfuron methyl) will be the preferred treatment methods. Treatments will be targeted in late summer, when possible. For large stems, stem injections using Garlon 3A (triclopyr) will be completed in the fall. The downstream portion of TI has been affected by cattle grazing and consists of various grass species. In order to minimize the allelopathic influence of tall fescue (primarily Kentucky 31) along the stream banks and within the riparian zone, fescue will be mechanically removed and or treated with glyphosate herbicide. A chelated form of glyphosate (Rodeo, or similar) will be used in proximity to the stream, and a non - chelated form (Roundup, or similar) will be used in upland areas. Along T I A the riparian vegetation in this reach is less mature than upstream of the project and consists of various grasses. The entire length of T2 has been affected by cattle grazing. The vegetation within the project area is primarily comprised of open pastures dominated by various grass species. ff Draft Mitigation Plan 4.4 Regional Curve Discharge 10000 1000 m M t U N 100 10 r- 0.1 Jacob's Landing Stream Restoration Site North Carolina Piedmont Regional Curve: Discharge 1 Drainage Area (square 100 1000 (square miles) • Rural Data n T1 -1 and T1 -2 (proposed) • T2 -1 (proposed) • T1 and T2 Reference Reach A T1 -3 (proposed) • 72 -2 (proposed) (UT to Irish Buffalo Creek) a T1A (proposed) North Carolina Piedmont Regional Curve: Bankfull Area ti=MEN itill�[ �ti� ■ ■�Il�titi�!iL71[��� ■ ■titill „ ■ ���Illll����llllliii��lllll� ■ ■�IIIII ----- ■■ ■■r_� ....man ----- ....--- -..... ���■■■ �Ilti� ' %� ■ ■ ■� /1��� ■ ■ ■�Iltit�� ■ ■ ■�Iti lllllllllllllllia' l��w�■ �u% i��■■■ ���llllllllillli��l ■■■■���l�il��■■■ill ��` ►�!''�ii111� ■��illll ■ ■ ■�IIIII�■ ■11111 X5217-- ■ ■ ■ ■t- �- - - ■ ■ ■■ � fi- - - ■ ■ ■■ t- ti - - ■ ■ ■■ ■ ., leiMEN ioil ■ ■ ■iiiiii�■i ■iiiiii ■ ■ ■iiiiii ■■■ �IIIII� ■ ■�IIIII ■ ■ ■�IIIII ■■■�IIIII • Rural Data • T1 -1 and T1 -2 (proposed) • T2 -1 (proposed) • T1 and T2 Reference Reach • T1 -3 (proposed) a T2 -2 (proposed) (UT to Irish Buffalo Creek) • T1 (proposed) Reference; Wildlands Engineering, Inc. 2010 21 Draft Mitigation Plan 4.5 Wetland Summary Information Not applicable for this project. 4.6 Regulatory Considerations Jacob's Landing Stream Restoration Site The Jacob's Landing Stream Restoration Site is not located within the 100 -year floodplain (Zone AE); therefore regulatory considerations are not applicable for this project. 5.0 DETERMINATION OF CREDITS Mitigation credits presented in these tables are projections based upon site design. Upon completion of site construction the project components and credits data will be revised to be consistent with the as -built condition. Table 5. Determination of Credits 22 Mitigation Credits Stream Riparian Wetland Non - riparian Wetland Buffer Nitrogen Nitrogen Offset Phosphorous Nutrient Offset Type R El Ell - - - - - Length 4,015 465 109 - Credit 4,015 310 44 TOTAL CREDITS 4,369 Project Components Reach ID Existing Footage Approach �Pl' Pal etc') Restoration -or- Restoration Equivalent Designed Footage Mitigation Ratio T1 -1 326 P2 Restoration 303 1:1 Tl -2 158 Enhancement Il 109 1:2.5 T1 -3 846 P2 Restoration 893 1:1 T1A 294 P2 Restoration 178 1:1 T24 1,800 P2 Restoration 1,581 1:1 T2 -2 1,135 P2 Restoration 1,060 1:1 T2A 465 Enhancement 1 465 1:1.5 22 Draft Mitigation Plan 6.0 CREDIT RELEASE SCHEDULE Jacob's Landing Stream Restoration Site All credit releases will be based on the total credit generated as reported by the as -built survey of the mitigation site. Under no circumstances shall any mitigation project be debited until the necessary Department of Army (DA) authorization has been received for its construction or the District Engineer (DE) has otherwise provided written approval for the project in the case where no DA authorization is required for construction of the mitigation project. The DE, in consultation with the Interagency Review Team (IRT), will determine if performance standards have been satisfied sufficiently to meet the requirements of the release schedules below. In cases where some performance standards have not been met, credits may still be released depending on the specifics of the case. Monitoring may be required to restart or be extended, depending on the extent to which the site fails to meet the specified performance standard. The release of project credits will be subject to the criteria described as follows: Stream Credits Monitoring Credit Release Activity Interim Total Year Release Released 0 Initial Allocation — see requirements below 30% 30% 1 First year monitoring report demonstrates performance 10% 40% standards are being met 2 Second year monitoring report demonstrates performance 10% 50% standards are being met 65 % *) 3 Third year monitoring report demonstrates performance 10% 60% standards are being met (75 % *) 4 Fourth year monitoring report demonstrates performance 10% 70% standards are being met 85 % *) 5 Fifth year monitoring report demonstrates performance 15% 100% standards are being met and project has received closeout approval *If two bankfull events have been observe Initial Allocation of Released Credits The initial allocation of released credits, as specified in the mitigation plan can be released by the NCEEP without prior written approval of the DE upon satisfactory completion of the following activities: a. Approval of the final Mitigation Plan b. Recordation of the preservation mechanism, as well as a title opinion acceptable to the USACE covering the property c. Completion of project construction (the initial physical and biological improvements to the mitigation site) pursuant to the mitigation plan; Per the NCEEP Instrument, construction means that a mitigation site has been constructed in its entirety, to include planting, and an as -built report has been produced. As -built reports must be sealed by an engineer prior to project closeout, if appropriate but not prior to the initial allocation of released credits. d. Receipt of necessary DA permit authorization or written DA approval for projects where DA permit issuance is not required. 23 Draft Mitigation Plait Subsequent Credit Releases Jacob's Landing Stream Restoration Site All subsequent credit releases must be approved by the DE, in consultation with the IRT, based on a determination that required performance standards have been achieved. For stream projects a reserve of 15% of a site's total stream credits shall be released after two bank -full events have occurred, in separate years, provided the channel is stable and all other performance standards are met. In the event that less than two bank -full events occur during the monitoring period, release of these reserve credits shall be at the discretion of the IRT. As projects approach milestones associated with credit release, the NCEEP will submit a request for credit release to the DE along with documentation substantiating achievement of criteria required for release to occur. This documentation will be included with the annual monitoring report. 7.0 MITIGATION WORK PLAN 7.1 Target Stream Type and Plant Communities Target Streams The design for the Jacob's Landing Stream Restoration Site proposes the Restoration of approximately 4,015 linear feet, Enhancement I of approximately 465 linear feet, and Enhancement II of 109 linear feet. The Enhancement I will involve adjusting the stream to have the appropriate profile and dimension, while the Enhancement II will involve grading the stream banks, removing invasive vegetation and planting the buffer with native trees (USACE et. al 2003). The tributaries are divided into seven separate reaches based on the restoration or enhancement approach applied to the portions of the channels. The project reaches are identified in 7.6 Proposed Mitigation Plan View. Target Plant Communities The 50 -foot buffer along the project streams will receive riparian plantings consisting of native woody species and will be incorporated as outlined in the planting plan. Six hundred and eighty (680) stems per acre (8' x 8' spacing) will be planted along restoration reaches to achieve a mature survivability of two hundred sixty (260) stems per acre. Woody vegetation planting will take place during donnancy. The riparian areas for TI-1, T 1 -2, TI-3, T I A, T2 -1, and T2 -2 will be planted as a Piedmont Alluvial Forest and will consist of at least five of the following: American Sycamore Platanits occidentalis River Birch Betula nigra Swamp Chestnut Oak Quercus michauxii Willow Oak Quercus phellos Green Ash Fraxinus pennsylvanica Tulip Poplar Liriodendron ttdipifera The riparian areas of T2A will be planted as Mesic Mixed Hardwood Forest and may consist of the following species: Tulip Poplar Liriodendron tulipifera White oak Quercus alba Southern Red Oak Quercus falcata American Persimmon Diospyros virginiana Willow Oak Quercus phellos Pin oak Quercits palustris On the restored stream banks, live stakes will be used to provide natural stabilization. Appropriate species identified for live staking include: Silky Dogwood Cornats amomum Silky Willow Black Willow Salix nigra- Common Elderberry 24 Salix sericea Sambuczts canadensis Draft Mitigation Plan Jacob's Landing Stream Restoration Site A herbaceous seed mix composed of appropriate native species will also be developed and used to further stabilize and restore the riparian and bank zones following construction. In addition to planting the proposed community types, vegetative restoration will also include eliminating invasive species that have moved into portions of the site. The targeted species will be treated with an appropriate herbicide as needed to control populations. 7.2 Design Parameters The mitigation approach for the Jacob's Landing Stream Restoration Site will aim to restore and protect the headwater tributaries to Irish Buffalo Creek. Mitigation actions will focus on repairing isolated sections of bed degradation and bank erosion and restoring the unstable reaches that have been straightened or severely degraded by cattle. The overall approach to the design of Jacob's Landing Stream Restoration Site is Priority 2 Restoration, which will involve creating a new stream profile and dimension and a bankfull bench (Rosgen, 1997). A combination of Priorities I and 2 approach will be utilized along TI -3 by creating an appropriate dimension, pattern, profile and reconnecting the floodplain to an elevation at or similar to the historic floodplain elevation. Tributary T1 -1 —303 linear feet of Restoration Upstream of the TI -I is an existing culvert crossing, which will be reset and stabilized. The stream will be restored to a C4 -type channel with a stable planform using a Priority 2 approach. Restoration of this reach will involve stabilizing the outer left vertical bank, which is currently a large source of sediment into the stream. Grade control structures will be installed to direct the stream along the reconstructed channel and a bankfull bench will better accommodate large flows. Tributary T1 -2 — 109 linear feet of Enhancement 11 This reach has stable gravel /cobble riffles, but the riparian buffer has been impacted by grazing along the left bank and logging on the right bank. Enhancement actions will focus on stabilizing bank erosion as well as removing invasive vegetation and replanting with native trees. A seep coming into T1 from the east will also be stabilized and protected within the conservation easement. A 50 -foot easement exception will be left out of the project easement along this reach to ensure landowner access to the other side of the channel in the future. No crossing will be constructed at this time. Tributary TI -3 — 893 linear feet of Restoration This final reach of T 1 -3 is the most highly modified section of the tributary. The existing stream has been straightened as it comes out into a broader valley type. A combination of Priorities I and 2 approach will be used to restore a C4 -type channel. A new channel planform will be constructed by moving the stream to the right (west). Pulling the stream away from the old channel will allow for the channel to be brought up closer to the relic floodplain and for larger entrenchment ratios with a wider floodprone area to attenuate flows. A stable meandering planform with low to moderate sinuosity will be developed to tie the stream into the downstream end of the project. The existing road crossing located at the end of the downstream reach will be reconstructed into a culverted crossing. Tributary T I A — 178 linear feet of Restoration T1A exhibits a highly sinuous stream with unstable meander curves, which have resulted in bank erosion along the outer bends. This section immediately before the confluence with TI-1 will be restored to stable B4c /C4 -type channel using a Priority 2 approach. The planform will be altered to create a stable 25 Draft Mitigation Plan Jacob's Landing Stream Restoration Site alignment as the stream flows to the confluence with TI. To account for the slightly higher slope on TIA, the design will include frequent grade control structures that will mimic the natural step pool sequences found in streams of this type. These step pools will create the pool habitat that the stream is currently lacking. Tributary T2 -1 — 1,581 linear feet of Restoration T2 -1 enters the Jacob's Landing Stream Restoration Site from a mature forested area and then becomes highly sinuous within the project bounds as it has attempted to adjust to the removal of riparian vegetation and an increased sediment supply from unstable banks and valley walls. As a result, the channel is attempting to downcut and there is a lack of riffle and pool sequencing. The restoration of T2 -1 will use a Priority 2 approach to restore a C4 -type channel. Unstable meanders will be reshaped to a stable pattern with a bankfull bench. Habitat and grade control structures will be used to create feature diversity in the profile, maintain pool depth, and prevent further downcutting of the stream. The existing road crossing within this reach will be reconstructed. The new road crossing will be a culverted crossing within a 50 -foot wide easement exception. Tributary T2 -2 —1,060 linear feet of Restoration Downstream of the confluence with T2A, T2 -2 continues to be entrenched within a tight valley for another 200 linear feet but then emerges in a broader valley type for the remainder of the reach. In this section, T2 -2 has experienced severe impacts from cattle. A new channel planform will be constructed by moving the stream to the left (east) for approximately 400 linear feet before crossing the existing channel to move the stream to the right (west). A stable meandering planform with low to moderate sinuosity will be developed to tie the stream into the downstream end of the project. The existing road crossing within this reach will be reconstructed into a culverted crossing within a 50- foot wide easement exception. Tributary T2A — 465 linear feet of Enhancement 1 T2A is confined within a steep valley and the removal of riparian vegetation has led to bank erosion. The stream is also cutting down to meet the confluence with T2 -2, which has caused bed degradation and an incised channel. This reach will be enhanced by shaping the banks to creating a bankfull bench, and installing grade control structures to gradually drop the bed elevation down. The reach will be stabilized by replanting the riparian buffer to achieve a mix of native tree species. Additional Site Enhancement Measures: In addition to the stream mitigation proposed, KCI will also stabilize incoming seeps and side slopes at the Jacob's Landing Stream Restoration Site. Due to the hilly terrain at the site, there are many incoming small drainages and seeps. Currently, these seeps are not protected and most are open to cattle impacts or contributing to bank instability as they enter the project streams. However, they have high potential for ecosystem uplift as amphibian habitat and pocket wetlands alongside the riparian buffer. As part of the overall site restoration, these seeps will be protected in the project easement and stabilized as necessary to become an integral part of the riparian corridor connecting to Irish Buffalo Creek. 7.3 Data Analysis The streams at the Jacob's Landing Stream Restoration Site will be restored using a combination of C4 and B4c /C4 Rosgen stream types. The project streams are divided into reaches based on the drainages entering the streams and the restoration or enhancement approach needed to design the proposed channels. The morphological design criteria for each of the reaches are found in Table 6. Morphological Design Criteria. Below is a description of the specific design approach used for all project reaches. 26 Draft Mitigation Plan Jacob's Landing Stream Restoration Site T 1 has been divided into three reaches based on the restoration and enhancement approach. T I -1 and T I - 3, will be restored as C4 channels, while T1 -2 will be enhanced as a C4 channel, using the UT to Irish Buffalo Creek Reference Reach (T1) morphological criteria. T2 was also divided into separate reaches and will be restored as C4 channels using the UT to Irish Buffalo Creek Reference Reach (TI) morphological criteria. The pattern and profile for TI and T2 were developed from detailed morphological criteria and hydraulic geometry relationships taken from stable sections of UT to Irish Buffalo Creek Reference Reach (TI) (See Table 6 and Appendix C Morphological Design Criteria). TIA will be restored as a B4c /C4 stream type, using the UTFR Reference Reach to develop the morphological criteria. T2A will be enhanced to a B4c /C4 stream type by grading a stable cross - section and profile with a newly stabilized riffle -pool sequence, and restoring a native riparian buffer. The UTFR Reference Reach was used to develop the morphological criteria. The design discharges and cross - sectional areas for all project reaches compare closely to their values as predicted by the regional curve. The designed stream discharges were also evaluated using the channel hydraulics and sediment transport for the proposed cross - sectional areas. In- stream structures, including step pools, riffle grade controls, soil lifts, and log drops will be used to stabilize the restored channels (Refer to Plan Sheets 3 and 4). These structures are designed to reduce bank erosion, influence secondary circulation in the near -bank region of stream bends, and provide grade control. The structures fiirther promote efficient sediment transport and produce /enhance in- stream habitat. Riffle areas will also be enhanced with graded gravel material to mimic existing stable riffle features. Coir fiber matting and seeding will be used to stabilize the newly graded stream banks and live stakes will be planted to provide long -term rooting strength. During construction, the number of mature trees removed from the existing riparian areas will be minimized as much as possible. Any valuable trees that may provide immediate shade to the restored channel will be left in place if feasible. In the enhancement areas, certain trees may be able to remain on one bank if the opposite bank can be reshaped to accommodate the appropriate dimension for the stream. Prior to construction, woven wire exclusion fencing (Stay Tuff, model 949 -12) and alternative watering options will be installed along the easement boundary to keep livestock out of the project streams. The fence will be expanded upslope of the easement boundary in several areas to include areas of steep slope where cattle access could potentially cause erosion. In these areas additional easement signage will be required to adequately mark the easement boundary. TI -3 and all of T2 and T2A will have fence installed along the easement boundary. Further upstream along T1 and TIA, new fence will be installed along the eastern easement boundary and then tie into existing fence in the upper forested reaches. To ensure adequate cattle watering, a groundwater well and five, four -hole cattle waterers will be installed prior to construction. 7.4 Reference Streams A reference reach is a channel with a stable dimension, pattern, and profile within a particular valley morphology. The reference reach is used to develop dimensionless morphological ratios (based on bankfull stage) that can be extrapolated to disturbed /unstable streams to restore a stream of the same type and disposition as the reference stream (Rosgen 1998). For this project, two reference reaches were used to design the proposed restoration reaches: an Unnamed Tributary to Fisher River (UTFR) in Surry County and UT to Irish Buffalo Creek (TI) (see Appendix C for detailed reference reach data). 27 Draft Mitigation Plan Jacob's Landing Stream Restoration Site UT to Fisher River Reference Site An Unnamed Tributary to Fisher River (UTFR), a first order rural stream in Surry County, was selected as a reference reach for the restoration of the project streams. The reference reach is located on Fisher Valley Road off of Exit 93 from Interstate 77. The valley slope is approximately 1.6 %. The sediment distribution and transport are similar to the project streams. The local topography is characterized by rolling hills. Approximately 300 linear feet of UTFR was surveyed and was classified as a 134c channel. UTFR flows northeast into Fisher River and drains approximately 0.38 square mile of predominantly forested land with a small section of rangeland. The reference reach watershed is within the Northern Inner Piedmont ecoregion in the Piedmont physiographic province. The site is in the 14 -digit hydrologic unit 03040101090010 in the Yadkin Basin and is in the DWQ Subbasin 03- 07 -02. The reference reach watershed elevations range from 1,420 feet AMSL at the headwaters of the site to 1,210 at the bottom of the reference reach. UT to Irish Buffalo Creek Reference Site (TI) A short reach of a tributary to Irish Buffalo Creek, located approximately 400 linear feet upstream of the existing project reach on TI-1, was surveyed by KCI in February 2012 (Appendix Q. The sediment distribution and transport are the same as the project streams. A stable riffle cross - section was surveyed and classified as an E4 channel to be used as a dimensional reference. Although likely logged previously, historic aerial photos indicate that this upstream reach of TI has been under mature forest for at least fifty years. The stream flows through a hardwood forest and has stable planform and banks. Small cobble /gravel riffles are present and there is no evidence of bed degradation. The forest cover becomes less mature as the stream travels downslope, but the channel remains stable with functional riffles and pools. The dimensionless hydraulic geometry relationships were developed from stable channel dimensions to facilitate the design of the proposed channel cross - section, planform, and pattern data for TI and T2 restoration reaches. 28 G M L u ri o o O 'o v1 ° a � d M L r� a � o _ .. M _ r' O L 4 v � ri F '7 Q �_ O M O Yfi Vi LLJ z. ° - r rl M M f7 `I O Cl y; •L G O M r• Q� rl M o M a v p a, o y N F u7 O 0 rl ° 00 oo rl 0, 00 oo 00 — O rq M 7 rl r'1 M O C w � N ri Cl o O y Y� F c �p •- M - - - M p _ � C C CD X F V o N o a o w C, O W � r� s a > > a 'fl n � CG r CC O 1L G o 3 CS LL] onm d. v y � Vn o 3 U n c E s � v u n . OA co G Y Y Y , m 3 3 ti n Variables Existing Existing Ref. Reach UTFR Proposed Proposed T1A T2A T1A T2A Rosgen Stream Type E4 G4 134c B4c /C4 B4c /C4 Mitigation Type Enh I Enh II N/A Enh I Enh II Drainage Area (mr) 021 006 04 021 006 Bankfull Width (Wbkf) (ft) 77 66 90 -100 85 65 Bankfull Mean Depth (dbkf) (ft) 08 05 1 1 -1 2 07 05 Bankfull Cross - Sectional area (Abkf) (ftZ) 64 34 10 4 -10 7 62 3 5 W idth/depth Ratio (Wbk dbkf) 93 12 8 8 0 -10 0 120 120 Maximum Depth (dbkf) (ft) 1 2 1 1 1 3 -1 5 1 2 09 Width of flood prone area (Wrp,) (ft) 15 11 13 -21 19 14 Entrenchment Ratio (ER) 1 9 1 7 1 3 -2 3 22 22 Sinuosity (stream length/valley length) (K) 2 10 1 16 1 20 I 11 1 13 Bank Height Ratio (BHR) 22 63 1 0 1 0 10 Mean Bankfull Velocity (V) (fps) 48 3 3 4 1-45 44 3 3 Bankfull Discharge (Q) (cfs) 305 11 42 -46 27 1 11 5 Average water surface slope 0 023 0 019 0 013 0 017 0 014 Draft Mitigation Plan Jacob's Landing Stream Restoration Site 7.5 Sediment Transport Analysis In order to analyze the existing sediment conditions within the project streams, bar samples were taken from the Jacob's Landing Stream Restoration Site. In addition, the streams were sampled using the Wolman pebble count method at eight locations for trend analysis. These data are provided in Appendix C. Based on this analysis, the majority of the project reaches are dominated by gravel material with portions of sand in the smaller, headwater reaches. After analyzing the existing sediment conditions, the site was studied with respect to proposed sediment transport. In active bed systems, there is a threshold level of bedload movement. At low flow levels, only the smallest particles will move, with the larger particles resisting the flow of the stream; this is the condition of partial sediment transport. As the stream flow increases, eventually every particle on the streambed will show threshold movement. This is the condition of full sediment transport. If the largest particle that moves during a bankfull event can be identified, then the flow conditions that produced this movement can be determined and this flow condition (channel competency) can be used in the design of the restored stream. Determinations of the design shear stresses were made based on the sediment distribution from the surface and subsurface sampling. These shear stresses were validated for the proposed riffle cross - sections and channel gradient using the equation below. The shear stress values for the designed reaches were calculated and related to the movement of a particular grain size using Shield's threshold of motion curve (See Table 7) (Shields et al. 1936). An approximate bedload transport rate was modeled using the Wilcock and Crowe model for mixed gravel -sand beds using existing surface (pebble count) data. T = yRs Where: T = shear stress (lb /ft2) y = specific gravity of water (62.4 Ib /ft ) R = hydraulic radius (ft) s = average water slope (ft /ft) Table 7. Sediment Analysis Project Reach Shear Stress at Designed Reaches (lb /sq. ft) Largest Grain Diameter Mobilized (mm) Equivalent Grain Type Be Rate Transport Rate (lb/min) TI-1 0.64 49 Very Coarse Gravel 117 TI-2 0.64 49 Very Coarse Gravel 152 TI -3 0.43 33 Very Coarse Gravel 70 T I A 0.74 57 Very Coarse Gravel 134 T2 -1 0.52 40 Very Coarse Gravel 129 T2 -2 0.52 39 Very Coarse Gravel 222 T2A 0.45 34 Very Coarse Gravel N/A The predicted mobilized material and bedload transport rates are appropriate for the gravel material existing within the project streams. The project streams all have small watershed areas that drain to them and the incoming sediment supply is limited. Currently, the smaller -sized sands and fine gravels within the project streams are coming from active bank erosion. This source will be reduced following the project restoration. Along TI, the proposed stream progresses from steeper, slightly entrenched reaches in 31 Draft Mitigation Plan Jacob's Landing Stream Restoration Site TI -I and TI -2 to the proposed Priority I -reach of TI-3 with less stream energy. T2 maintains a similar slope along its length and therefore both reaches are similar in the size of material moved. T2A is a threshold channel, which is defined as a stream where the bed material inflow is negligible and the channel boundary is immobile even at high flows (Shields et al. 2003). T2A is a seep- driven channel, and due to its location in a deep valley it has a limited supply of sediment that reaches the channel. There is an existing stable gravel bed layer that is not mobilized during bankfull events. As opposed to an active bed system, a threshold channel never achieves full sediment transport; the system only achieves partial sediment transport. Therefore, the bedload rates provided for the other tributaries are not relevant for T2A. The existing stable gravel bed will be maintained or enhanced for this tributary. Based on this analysis, the designed channels provide sufficient competency for the type of streams proposed and are capable of transporting sediment during bankfull events. 32 Draft Mitigation Plan 7.6 Proposed Mitigation Plan View Jacob's Landing Stream Restoration Site 33 Draft Mitigation Plan 8.0 MAINTENANCE PLAN Jacob's Landing Stream Restoration Site KCI shall monitor the site on a regular basis and shall conduct a physical inspection of the. site a minimum of once per year throughout the post- construction monitoring period until performance standards are met. These site inspections may identify site components and features that require routine maintenance. Routine maintenance should be expected, most often in the first two years following site construction and may include the following: Component/Feature Maintenance Through Project Close -Out Routine channel maintenance and repair activities may include chinking of in- stream structures to prevent piping, securing of loose coir matting, and Stream supplemental installations of live stakes and other target vegetation along the channel. Areas where stormwater and floodplain flows intercept the channel may also require maintenance to prevent bank failures and head-cutting. Vegetation shall be maintained to ensure the health and vigor of the targeted plant community. Routine vegetation maintenance and repair activities may include supplemental planting, pruning, mulching, and fertilizing. Exotic Vegetation invasive plant species shall be controlled by mechanical and /or chemical methods. Any vegetation control requiring herbicide application will be performed in accordance with NC Department of Agriculture (NCDA) rules and re ulations. Site boundaries shall be identified in the field to ensure clear distinction between the mitigation site and adjacent properties. Boundaries may be identified by Site Boundary fence, marker, bollard, post, tree - blazing, or other means as allowed by site conditions and /or conservation easement. Boundary markers disturbed, damaged, or destroyed will be repaired and /or replaced on an as needed basis. Utility rights -of -way within the site may be maintained only as allowed by Utility Right -of- Conservation Easement or existing easement, deed restrictions, rights of way, or Way corridor agreements. Road crossings within the site may be maintained only as allowed by Road Crossing Conservation Easement or existing easement, deed restrictions, rights of way, or corridor agreements. Storm water management devices will be monitored and maintained per the Stormwater protocols and procedures defined by the NC Division of Water Quality Storm Management Device Water Best Management Practices Manual. 9.0 PERFORMANCE STANDARDS Monitoring of the Jacob's Landing Stream Restoration Site shall consist of the collection and analysis of stream stability and riparian /stream bank vegetation survivability data to support the evaluation of the project in meeting established restoration objectives. Specifically, project success will be assessed utilizing measurements of stream dimension and profile; site photographs, and vegetation sampling. The purpose of monitoring is to evaluate the stability of the restored stream. Following the procedures established in the USDA Forest Service Manual, Stream Channel Reference Sites (Harrelson et al. 1994) and the methodologies utilized in the Rosgen stream assessment and classification system (1994 and 1996), data collected will consist of detailed dimension measurements, longitudinal profiles, and bed materials sampling. Dimension Permanent cross - sections will be established along the restored and enhanced reaches and will be used to evaluate stream dimension stability. Permanent monuments will be established at the left and right extents 34 Draft Mitigation Plan Jacob's Landing Stream Restoration: Site of each cross - section by either conventional survey or GPS. The cross - section surveys shall provide a detailed measurement of the stream and banks and will include points on the adjacent floodplain or valley, at the top of bank, bankfull, at all breaks in slope, the edge of water, and thalweg. Width/depth and entrenchment ratios will be calculated for each cross - section based on the survey data. Cross - section measurements should show little or no change from the as -built cross - sections. If changes do occur, they will be evaluated to determine whether they are minor adjustments associated with settling and increased stability or whether they indicate movement toward an unstable condition. Profile A 3,000 linear foot detailed longitudinal profile will be conducted along portions of T1, T2, T1A, and T2A. Measurements will include slopes (average, pool, and riffle) as well as calculations of pool -to -pool spacing. Annual measurements should indicate that bedform features are stable with little change from the as -built survey. The pools should maintain their depth with lower water surface slopes, while the riffles should remain shallower and steeper than the average values for the stream. Bed Materials Pebble counts will be conducted at each monitored riffle cross - section for the purpose of repeated classification and to evaluate sediment transport. Verification of Bankfull Events During the monitoring period, a minimum of two bankfull events must be recorded within the five -year monitoring period. These two bankfull events must occur in separate monitoring years. Bankfull events will be verified using automatic stream monitoring gauges to record daily stream depth readings. Photograph Reference Points Permanent photograph reference points will be established to assist in characterizing the site and to allow qualitative evaluation of the site conditions. The location and bearing /orientation of each photo point will be documented to allow for repeated use. Cross - section Photograph Reference Points Each cross - section will be photographed to show the form of the channel with the tape measure stretched over the channel for reference in each photograph. An effort will be made to consistently show the same area in each photograph. Visual Assessment An annual site walk will be conducted at the end of each monitoring period to document any stream problem areas. Particular attention will be paid to the enhancement reaches and the two tributaries. Specific problem areas that could arise include excessive bank erosion, bed deposition or aggradation, or problems with the installed structures. The findings of the visual assessment as well as any recommended corrective actions for problem areas will be summarized in the monitoring reports by way of a Current Conditions Plan View figure. Vegetation The success of the riparian buffer plantings will be evaluated using thirteen, ten -by -ten meter vegetative sampling plots and will use the CVS -EEP version 4.2, stream vegetation monitoring protocol (Lee et al. 2008). The corners of each monitoring plot will be permanently marked in the field. The coordinates of the plot corners will be recorded using conventional survey. The monitoring will consist of the following data inventory: composition and number of surviving species, total number of stems per acre, diameter at breast height for trees greater than 5 feet in height, and vigor. Additionally, a photograph will be taken of each plot that will be replicated each monitoring year. Riparian vegetation must meet a minimum survival 35 Draft Mitigation Plan Jacob's Landing Stream Restoration Site success rate of 320 stems /acre after three years, 288 stems /acre after four years, and 260 stems /acre after five years. If monitoring indicates that the specified survival rate is not being met, appropriate corrective actions will take place, which may include invasive species control, the removal of dead /dying plants and replanting. 10.0 MONITORING REQUIREMENTS The first scheduled monitoring will be conducted during the first full growing season following project completion. Monitoring shall subsequently be conducted annually for a total period of five years or until the project meets its success criteria. Beginning at the end of the first growing season, KCI will monitor the planted vegetation for five years or until the success criterion is met. Annual monitoring reports will be prepared and submitted after all monitoring tasks for each year are completed. The report will document the monitored components and include all collected data, analyses, and photographs. Each report will provide the new monitoring data and compare the most recent results against previous findings. Monitoring will also include evaluating the site for potential maintenance needs, including but not limited to invasive species problems, stream channel instability, riparian vegetation survival, floodplain scour and easement violations or encroachments. If problems arise, maintenance will occur to address the problem area. Maintenance will occur throughout the monitoring period on an as- needed basis. Specific maintenance activities, including any easement violations or encroachments will be documented in yearly monitoring reports. The monitoring report /format will be similar to that set out in the most recent EEP monitoring protocol. Required Parameter Quantity Frequency Notes Once, during Yes Pattern as -built survey To be distributed throughout the Yes Dimension 10 Cross - sections annual project reaches. Profile will include sections of all Yes Profile 3,000 linear feet annual project reaches Pebble counts at permanent Yes Substrate riffle cross - sections annual Two pressure transducer gauges Surface Two, one each on T and will be installed on site; the devices Yes Water T2. annual will be inspected every two months Hydrology to document the occurrence of bankfull events on the project A total of 13 plots will be Vegetation will be monitored using Yes Vegetation distributed to ensure annual the Carolina Vegetation Survey sufficient coverage of (CVS) protocols lanted ve etation Exotic and Locations of.exotic and nuisance Yes nuisance annual vegetation will be mapped vegetation 36 Draft Mitigation Plan Jacob's Landing Stream Restoration Site 11.0 LONG -TERM MANAGEMENT PLAN Upon approval for close -out by the Interagency Review Team (IRT), the site will be transferred to the NCDENR Division of Natural Resource Planning and Conservation's Stewardship Program. This party shall be responsible for periodic inspection of the site to ensure that restrictions required in the conservation easement are upheld. Endowment funds required to uphold easement and deed restrictions shall be negotiated prior to site transfer to the responsible party. Section III of the Conservation Easement allows perpetual Right of Access to the Grantee, its employees and agents at reasonable times to undertake any activities to restore, construct, manage, maintain, enhance and monitor the site. Although the Conservation Easement does not restrict how the Grantee can access the site, the Conservation Easement plat shows the preferred access route into the site for the convenience of the Conservation Stewardship Program. The NCDENR Division of Natural Resource Planning and Conservation's Stewardship Program currently houses EEP stewardship endowments within the non - reverting, interest- bearing Conservation Lands Stewardship Endowment Account. The use of funds from the Endowment Account is governed by North Carolina General Statute GS 113A-232(d)(3). Interest gained by the endowment fund may be used only for the purpose of stewardship, monitoring, stewardship administration, and land transaction costs, if applicable. The NCDENR Stewardship Program intends to manage the account as a non - wasting endowment. Only interest generated from the endowment funds will be used to steward the compensatory mitigation sites. Interest funds not used for those purposes will be re- invested in the Endowment Account to offset losses due to inflation. 12.0 ADAPTIVE MANAGEMENT PLAN Upon completion of site construction, KCI will implement the post- construction monitoring protocols previously defined in this document. Project maintenance will be performed as described previously in this document. If, during the course of annual monitoring it is determined the site's ability to achieve site performance standards are jeopardized, KCI will notify the EEP and the USACE of the need to develop a Plan of Corrective Action. Once the Corrective Action Plan is prepared and finalized KCI will: 1. Notify the EEP and USACE as required by the Nationwide 27 permit general conditions. 2. Revise performance standards, maintenance requirements, and monitoring requirements as necessary and/or required by the USACE. 3. Obtain other permits as necessary. 4. Implement the Corrective Action Plan. 5. Provide the USACE a Record Drawing of Corrective Actions. This document shall depict the extent and nature of the work performed. 13.0 FINANCIAL ASSURANCES Pursuant to Section IV H and Appendix III of the Ecosystem Enhancement Program's In -Lieu Fee Instrument dated July 28, 2010, the North Carolina Department of Environment and Natural Resources has provided the U.S. Army Corps of Engineers Wilmington District with a formal commitment to fund projects to satisfy mitigation requirements assumed by EEP. This commitment provides financial assurance for all mitigation projects implemented by the program. 37 Locations of fence damage, Yes Project annual vegetation damage, boundary boundary encroachments, etc. will be map ed 11.0 LONG -TERM MANAGEMENT PLAN Upon approval for close -out by the Interagency Review Team (IRT), the site will be transferred to the NCDENR Division of Natural Resource Planning and Conservation's Stewardship Program. This party shall be responsible for periodic inspection of the site to ensure that restrictions required in the conservation easement are upheld. Endowment funds required to uphold easement and deed restrictions shall be negotiated prior to site transfer to the responsible party. Section III of the Conservation Easement allows perpetual Right of Access to the Grantee, its employees and agents at reasonable times to undertake any activities to restore, construct, manage, maintain, enhance and monitor the site. Although the Conservation Easement does not restrict how the Grantee can access the site, the Conservation Easement plat shows the preferred access route into the site for the convenience of the Conservation Stewardship Program. The NCDENR Division of Natural Resource Planning and Conservation's Stewardship Program currently houses EEP stewardship endowments within the non - reverting, interest- bearing Conservation Lands Stewardship Endowment Account. The use of funds from the Endowment Account is governed by North Carolina General Statute GS 113A-232(d)(3). Interest gained by the endowment fund may be used only for the purpose of stewardship, monitoring, stewardship administration, and land transaction costs, if applicable. The NCDENR Stewardship Program intends to manage the account as a non - wasting endowment. Only interest generated from the endowment funds will be used to steward the compensatory mitigation sites. Interest funds not used for those purposes will be re- invested in the Endowment Account to offset losses due to inflation. 12.0 ADAPTIVE MANAGEMENT PLAN Upon completion of site construction, KCI will implement the post- construction monitoring protocols previously defined in this document. Project maintenance will be performed as described previously in this document. If, during the course of annual monitoring it is determined the site's ability to achieve site performance standards are jeopardized, KCI will notify the EEP and the USACE of the need to develop a Plan of Corrective Action. Once the Corrective Action Plan is prepared and finalized KCI will: 1. Notify the EEP and USACE as required by the Nationwide 27 permit general conditions. 2. Revise performance standards, maintenance requirements, and monitoring requirements as necessary and/or required by the USACE. 3. Obtain other permits as necessary. 4. Implement the Corrective Action Plan. 5. Provide the USACE a Record Drawing of Corrective Actions. This document shall depict the extent and nature of the work performed. 13.0 FINANCIAL ASSURANCES Pursuant to Section IV H and Appendix III of the Ecosystem Enhancement Program's In -Lieu Fee Instrument dated July 28, 2010, the North Carolina Department of Environment and Natural Resources has provided the U.S. Army Corps of Engineers Wilmington District with a formal commitment to fund projects to satisfy mitigation requirements assumed by EEP. This commitment provides financial assurance for all mitigation projects implemented by the program. 37 Draft Mitigation Plan 14.0 OTHER INFORMATION 14.1 Definitions Jacob's Landing Stream Restoration Site Morphological description — the stream type; stream type is determined by quantifying channel entrenchment, dimension, pattern, profile, and boundary materials; as described in Rosgen, D. (1996), Applied River Morphology, 2 "d edition Native vegetation community — a distinct and reoccurring assemblage of populations of plants, animals, bacteria and fungi naturally associated with each other and their population; as described in Schafale, M.P. and Weakley, A. S. (1990), Classification of the Natural Communities of North Carolina, Third Approximation. 38 Draft Mitigation Platt 14.2 References Jacob's Landing Stream Restoration Site Benchmark, CMR, Inc. Rowan County 2009 Land Use Plan, Areas West of 1 -85. ( http: // www .rowancountync.gov /HOME.aspx). Harrelson, C.C., C.L. Rawlins, and J.P. Potyondy. 1994. Stream Channel Reference Sites: an Illustrated Guide to Field Technique. Gen. Tech. Rep. RM -245. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. Lee, M.T., R.K. Peet, S.D. Roberts, and T.R. Wentworth. 2008. CVS =EEP Protocol for Recording Vegetation, Version 4.2 ( http: / /cvs.bio.unc.edu /methods.htm). NCDENR, Division of Water Quality. 2010. Methodology for Identification of Intermittent and Perennial Streams and Their Origins. Version 4.11. http: // portal. ncdenr .org /c /document library /get_file ?uuid= Oddc6eal- d736- 4b55 -8e50- 169a4476de96 &groupld =38364 NCDENR, Division of Water Quality. 2012a. 2012 Draft North Carolina 303(d) list. Raleigh, NC. http://portal.ncdenr.org/web/wq/ps/mtu/assessment NCDENR, Division of Water Quality. 2012b. Surface Water Classifications. Last accessed April 25, 2012. http: // portal. ncdenr. org /web /wq /ps /csu/classifications NCDENR, Ecosystem Enhancement Program. 2009. Lower Yadkin Pee -Dee River Basin Priorities 2009. Raleigh, NC. http: // www .nceep.net /services /restplans/ Yadkin— Pee_Dee— RBRP- 2009_Final.pdf Pitlick, J., Y. Cui, and P. Wilcock. 2009. Manual for Computing Bedload Transport Using BAGS ( Bedload Assessment for Gravel -bed Streams) Software. Gen. Tech. Rep. RMRS- GTR -223. Foil Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. Rosgen, D.L. 1994. A Classification of Natural Rivers. Catena 22: 169 -199. Rosgen, D.L. 1996. Applied River Morphology. Pagosa Springs, CO: Wildland Hydrology Books. Rosgen, D.L. 1997. A Geomorphological Approach to Restoration of Incised Rivers. In: Wang, S.S.Y., E.J. Langendoen, and F.D. Shields, Jr. (Eds.). Proceedings of the Conference on Management of Landscapes Disturbed by Channel Incision. pp. 12 -22. Rosgen, D.L. 1998. The Reference Reach — a Blueprint for Natural Channel Design. Presented at ASCE Conference, Denver, CO — June, 1998. Rosgen, D.L. 2001. Practical Method of Computing Streambank Erosion Rate. Pagosa Springs, CO: Wildland Hydrology Books. Schafale, M.P. and A.S. Weakley. 1990. Classification of the Natural Communities of North Carolina, 3`d Approximation. North Carolina Natural Heritage Program, NCDEHNR, Division of Parks and Recreation. Raleigh, NC. Shields, F.D., Jr. R.R. Copeland, P.C. Klingeman, M.W. Doyle, and A. Simon. 2003. Design for Stream Restoration. Journal of Hydraulic Engineering, 129 (8): 575 -584. 39 Draft Mitigation Plan Jacob's Landing Stream Restoration Site Shields, Ing. A., W. P. Ott, and J. C. Van Uchelen. 1936. Application of Similarity Principles and Turbulence Research to Bed -load Movement. Pasadena, CA: Soil Conservation Service, California Institute of Technology. US Army Corps of Engineers, Wilmington District, US Environmental Protection Agency, North Carolina Wildlife Resources Commission, and NCDENR, Division of Water Quality. 2003. Stream Mitigation Guidelines. Wilmington, NC. USDA, Natural Resources Conservation Service (NRCS). 2004. Soil Survey of Rowan County, North Carolina. Wilcock, P.R., and J.C. Crowe. 2003. Surface -based Transport Model for Mixed -size Sediment. ASCE Journal of Hydraulic Engineering, 129 (2): 120 -128. Wildlands Engineering, Inc. 2010. Scaly Bark Creek Mitigation Site. Restoration Plan. Prepared for NCDENR, EEP. 40 Appendix A Conservation Easement (Preliminary) .n. 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Q W J m W Q� z �w U Q O z Appendix B Baseline Information Data FHWA Categorical Exclusion Form Appendix A Categorical Exclusion Form for Ecosystem Enhancement Program Projects Version 1.4 Note: only Appendix A should to be submitted (along with any supporting documentation) as the environmental document. Project Part 1: General • Project Name: Jacob's Landing Stream Restoration Project Count Name: Rowan EEP Number: 003984 Project Sponsor: NC Ecosystem Enhancement Program (EEP) / KCI Technologies, Inc. Project Contact Name: Tim Morris Project Contact Address: 4601 Six Forks Road, Suite 220, Raleigh NC 27609 Project Contact E -mail: tim.morris @kci.com EEP Project Mana er: I Guy Pearce Project Description This project proposes to improve water quality and protect aquatic habitat in an agricultural area of Rowan County that has undergone degradation from unrestricted agricultural activities and human induced disturbances. This stream restoration project intends to restore approximately 4,700 linear feet of tributary stream draining to Irish Buffalo Creek in southwestern Rowan County. For Official Use Only Reviewed By: Date EEP Project Manage Conditional Approved By: Date For Division Administrator FH WA ❑ Check this box if there are outstanding issues Final Approval By: Date For Division Administrator FHWA OCT tNHANCEMENT PROGRAM 6 Version 1.4, 8/18/05 Part 2: All Projects Regulation/Question Response Coastal Zone Management Act CZMA 1. Is the project located in a CAMA county? ❑ Yes ❑✓ No 2. Does the project involve ground- disturbing activities within a CAMA Area of ❑ Yes Environmental Concern (AEC)? ❑ No ❑✓ N/A 3. Has a CAMA permit been secured? ❑ Yes ❑ No ❑✓ N/A 4. Has NCDCM agreed that the project is consistent with the NC Coastal Management ❑ Yes Program? ❑ No [Z] N/A Comprehensive Environmental Response, Compensation and Liability Act CERCLA 1. Is this a "full- delivery" project? ✓❑ Yes ❑ No 2. Has the zoning /land use of the subject property and adjacent properties ever been ❑ Yes designated as commercial or industrial? ✓❑ No ❑ N/A 3. As a result of a limited Phase I Site Assessment, are there known or potential ❑ Yes hazardous waste sites within or adjacent to the project area? [Z] No ❑ N/A 4. As a result of a Phase I Site Assessment, are there known or potential hazardous ❑ Yes waste sites within or adjacent to the project area? ❑ No ❑✓ N/A 5. As a result of a Phase II Site Assessment, are there known or potential hazardous ❑ Yes waste sites within the project area? ❑ No [Z] N/A 6. Is there an approved hazardous mitigation plan? ❑ Yes ❑ No ❑ N/A National Historic Preservation Act Section 106 1. Are there properties listed on, or eligible for listing on, the National Register of ❑ Yes Historic Places in the project area? ❑ No 2. Does the project affect such properties and does the SHPO/THPO concur? ❑ Yes ❑ No ❑✓ N/A 3. If the effects are adverse, have they been resolved? ❑ Yes ❑ No ✓❑ N/A Uniform Relocation Assistance and Real Property Acquisition Policies Act Uniform Act 1. Is this a "full- delivery" project? ❑✓ Yes ❑ No 2. Does the project require the acquisition of real estate? ❑✓ Yes ❑ No ❑ N/A 3. Was the property acquisition completed prior to the intent to use federal funds? ❑ Yes ✓ No ❑ ❑ N/A 4. Has the owner of the property been informed: ❑✓ Yes • prior to making an offer that the agency does not have condemnation authority; and ❑ No • what the fair market value is believed to be? ❑ N/A Version 1.4, 8/18/05 Part 3: • • Activities Regulation/Question •. American Indian Religious Freedom Act (AIRFA) 1. Is the project located in a county claimed as "territory" by the Eastern Band of ❑ Yes Cherokee Indians? ❑✓ No 2. Is the site of religious importance to American Indians? ❑ Yes ❑ No ✓❑ N/A 3. Is the project listed on, or eligible for listing on, the National Register of Historic ❑ Yes Places? ❑✓ No ❑ N/A _ _ 4. Have the effects of the project on this site been considered? ❑ Yes ❑ No ❑✓ N/A Antiquities Act AA 1. Is the project located on Federal lands? ❑ Yes [Z] No 2. Will there be loss or destruction of historic or prehistoric ruins, monuments or objects ❑ Yes of antiquity? ❑✓ No ❑ N/A __ 3. Will a permit from the appropriate Federal agency be required? ❑ Yes ❑✓ No ❑ N/A 4. Has a permit been obtained? ❑ Yes ❑ No ❑✓ N/A _ Archaeological Resources Protection Act ARPA 1. Is the project located on federal or Indian lands (reservation)? ❑ Yes ❑✓ No 2. Will there be a loss or destruction of archaeological resources? ❑ Yes 0 No ❑ N/A 3. Will a permit from the appropriate Federal agency be required? ❑ Yes ❑✓ No ❑ N/A 4. Has a permit been obtained? ❑ Yes ❑ No ❑✓ N/A Endangered Species Act ESA 1. Are federal Threatened and Endangered species and /or Designated Critical Habitat ❑✓ Yes listed for the county? ❑ No 2. Is Designated Critical Habitat or suitable habitat present for listed species? ❑ Yes ❑✓ No ❑ N/A _ 3. Are T &E species present or is the project being conducted in Designated Critical ❑ Yes Habitat? [Z] No ❑ N/A 4. Is the project "likely to adversely affect" the species and /or "likely to adversely modify" ❑ Yes Designated Critical Habitat? ❑ No ❑✓ N/A 5. Does the USFWS /NOAA- Fisheries concur in the effects determination? ❑✓ Yes ❑ No ❑ N/A 6. Has the USFWS /NOAA- Fisheries rendered a "jeopardy" determination? ❑ Yes ❑✓ No ❑ N/A Version 1.4, 8/18/05 Executive Order 13007 Indian Sacred Sites 1. Is the project located on Federal lands that are within a county claimed as "territory" ❑ Yes by the EBCI? ❑ No 2. Has the EBCI indicated that Indian sacred sites may be impacted by the proposed ❑ Yes project? ❑ No ❑✓ N/A 3. Have accommodations been made for access to and ceremonial use of Indian sacred ❑ Yes sites? ❑ No ❑✓ N/A Farmland Protection Policy Act FPPA 1. Will real estate be acquired? ❑✓ Yes ❑ No 2. Has NRCS determined that the project contains prime, unique, statewide or locally ❑✓ Yes important farmland? ❑ No ❑ N/A 3. Has the completed Form AD -1006 been submitted to NRCS? ❑✓ Yes ❑ No ❑ N/A Fish and Wildlife Coordination Act FWCA 1. Will the project impound, divert, channel deepen, or otherwise control /modify any ❑ Yes water body? No 2. Have the USFWS and the NCWRC been consulted? ❑✓ Yes ❑ No ❑ N/A Land and Water Conservation Fund Act Section 6 f 1. Will the project require the conversion of such property to a use other than public, ❑ Yes outdoor recreation? ✓❑ No 2. Has the NPS approved of the conversion? ❑ Yes ❑ No ❑✓ N/A Magnuson-Stevens Fishery Conservation and Management Act Essential Fish Habitat 1. Is the project located in an estuarine system? ❑ Yes ✓❑ No 2. Is suitable habitat present for EFH- protected species? ❑ Yes ❑ No [Z] N/A 3. Is sufficient design information available to make a determination of the effect of the ❑ Yes project on EFH? ❑ No ✓❑ N/A 4. Will the project adversely affect EFH? ❑ Yes ❑ No ❑✓ N/A 5. Has consultation with NOAA- Fisheries occurred? ❑ Yes ❑ No El N/A Migratory Bird Treat Act MBTA 1. Does the USFWS have any recommendations with the project relative to the MBTA? ❑ Yes ❑ No 2. Have the USFWS recommendations been incorporated? ❑ Yes ❑ No E] N/A Wilderness Act 1. Is the project in a Wilderness area? ❑ Yes [Z] No 2. Has a special use permit and /or easement been obtained from the maintaining ❑ Yes federal agency? ❑ No ❑✓ N/A Version 1.4, 8/18/05 Appendix C Mitigation Work Plan Data and Analyses Existing Conditions Cross - Sections � 1 1 � 1 1 1 1 1 1 I 1 1 1 1 1 I 1 1 1 II 1 I 1 1 I o 1 II 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 � �-. 00 N Q` oo 00 N 00 N n oo 'r O .-. 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M N W r O r Ci C+ N N N� r 1p •V 0000rr c c o 0 or00000;aoo arnrno�o�o, a, 00 00 00 00 00c0 00 00 00 00 00 00 00 00wC +ON rn o.rncornc.c y r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r r W u C L y'O fi-s" N M O 00 �O r V N 00 N O O0 r V1 r (+1 r r O N N M V V1 V1 �O r oo O N N N N N N N N N N N M W rn � 00 r ^ O� �o r � W V1 N M M � .. a L d o zw�3oo��Ei V r I � 1� M ie d S�fr SRI 'N ;y1 1 = S o ea c ea - yq: - F F I 1 i aCam o I a � p9Q3C° � ea z'wu3oo��OEL �Y "1 d I 1 a C I 1 g 1 1 C �aacaoaww�i3wm y I 1 I N o _ I _ I 1 i I 1 Ci Im 1 1 1 y I 1 1 1 1 1 O ; M ca I 1 1 � I O 1 1 '- 1 1 1 Y 1 1 1 1 0 1 1 1 1 _ G I 1 1 1 U I 1 c 1 1 1 1 LLI N I 1 Y O S CD ^ O L-1 'JO OC 00 = _ v (laa� uopntial3 0 � =Xoc�Q c 0 0 00 0 V1 r- 7 7 Vn M O 7 M 00 00 O 7 ac 00 M V N O a, N N 11 V) h rn O, 00 N O DO 00 r r ,O Q, h � ^ V1 O, DD 00 ON On � M 00 ON N I� � v'i l- � M 7 1� r a0 ,o ,o Vn �n �n vn � N ^ O O a, 00 00 00 00 00 a, a, C, a O O O ^ N M V � M kn 0 0 0 0 0 0 0 0 Cl 0 0 a, a, O, C, C, O, O, T al a, 0 0 Cl 0 0 0 0 0 0 0 0 0C o0 00 00 00 00 00 00 00 00 00 r, r r r t— t— r r r r o0 00 00 00 00 00 00 00 00 00 00 v Gr] L mL O O M N r N 00 M 00 -- kn M o0 a0 T N o0 O V) oo •� V V y A C ,fl O N ,O r a0 O, O O N N M M 7 V ,n ,n ,D f� DD Cn N 7 �n ,O 00 O -- -- —• ^ N N N N N N M M M M a3xc`ci� r °O � 1� M ie d Q o ea c ea - F ocv� u9 aCam m,o a � p9Q3C° � ea z'wu3oo��OEL m� L C �aacaoaww�i3wm Existing Conditions SedimentData .1. 0 U c 0 r. cE 0 0 �+ EN NN mcx u9 � c IL J tl! a 0 v 0 0 0 0 0 0 O GO 0 Q N (anl;einmo) ue41jeul:j % — INIVI�IV INI nPIVI —IN 0 00 0 o 0 0 CL sT V v O O O o m 0 O F m C> m U y a p Co y 8 p 0 m 0 °o 0 0 C'4 a) o) Lo p f1- O p m � v o E •� = o? 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If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL ADJUSTMEN 5 Stratification Comments: Few stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr 5 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10-199 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 29.7 The BEHI was conducted at several locations on T1 -1 at representative bank features throughout. BEHI RATING1 Moderate Bank Height (ft): Bank Height/ Root Depth/ Root Bank Angle Surface Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection % Value Range •--------- - --- -- 1.0 ----- --- 1.1 -- ----- - - -- 1.0 ------ --- ---- 0.9 - - - - -- 100 ---------- ------- 80 - -- 0.0 20.0 --------------------- 100 --------------------- 80 VERY LOW Index Range •--- ------ --- --- 1.0 ---- ---- 1.9 ----- - - - - -- 1.0 --- ------ ---- 1.9 - - ---- 1.0 ------- --- ---- 1.9 - - - - -- 1.0 1.9 --- ------- ---- 1.0 1.9 Choice V: I: V: I: V: I: - ----- V: I: - Value Range •--- -------- -- -- 1.11 -- --------- 1.19 -- - - -- -- 0.9 - ---- ---- --- ---- 0.50 - -- 79 -------- 55 21.0 60.0 79 55 LOW Index Range 2.0 3.9 2.0 3.9 - --- -- 2.0 - - - - -- 3.9 --- -------- --- --- - -- 2.0 3.9 -----°--------- 1 2.0 - --- 3.9 Choice V: I: YValue Range 1_5 0.5 0_30 54---- 61.0 80.0 54 30 O a•--------- MODERATE Index Range - - - - -- ____1.2 ....... 4.0 ------ ------- -------- 5.9 ---- -- - - - - -- 4.0 ------------------------------------------ -- 5.9 - -- - - - 4.0 -30 5.9 4.0 5.9 ------------------------------------------ - - - - - -- 4.0 - -- 5.9 r_ O Choice V: I: V: I: V: 36.0 I: 6.4 1 V: I: V: I: oValue Range 1,13 2_0 0.29 015 90.0 29-- 15 W HIGH Index Range -- Index-- -- -- -- -- - 6- - - - - -- - -- 7.9 -- 6_0- - - - - -- - --- -- -- • - -- - -- - - - - -- ---- 6 ---------- - - -- 7_9 - -- - -- -- --- 6.0--- - - - - -- 9 - -- --- - - - - -- - -- 6_0-------7.9-- - -- - J9 Choice V: I: V: I: V: I: V: I: Q M m•--- Value Range -- -- -- --- - -- 2.1 -------- 18 ----- - - - -IV: 0.14 ----------------------------------------- 0.05 14 5 91.0 119.0 ------------------------------------------ 14 10 VERY HIGH Index Range •--- -- ---- -- -- -- 8.0 ------ --- 9.0 -- -- --- - 8.0 ----------------------------------------- 9.0 8.0 9.0 8.0 9.0 ------------ 8.0 --------------------- 9.0 Choice V: I: V: I: V: I: -- - - - - -- V: I: V: I: Value Range -- ------- - - - - -- --- --- ------- >2.8 - - - - <0.05 <5 >119 <10 EXTREME Index Range •--- -- ---- - - - - -- ------- 10 ------ - - - - ------------- 10 ---- --------- - - - --- - - - - -- - --------- ---- 10 -------------- - -- --- -------- --- ------------------------------- 10 10 Choice V: I: I: V: I: - ----- -------- --- -- -- - - - -- V: I: 1 --------------------- V: I: V = value, I =index SUB -TOTAL (Sum one index from each columiri 19.7 k Material Description: Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL ADJUSTMEN 5 Stratification Comments: Few stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr 5 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10-199 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 29.7 The BEHI was conducted at several locations on T1 -1 at representative bank features throughout. BEHI RATING1 Moderate Bank Erodibility Hazard Rating Guide Stream: Jacob's Landing (T1 -1) Reach: 60 Linear Feet Date: 2/21/12 Crew: AH Hinh Ratinn k Material Description: Bank Sketch Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust Gravel (Add 5.10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Slit Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: Few stratified layers were observed Stratification Add 5-10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTF5 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5-9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 37.1 The BEHI was conducted at several locations on T1 -1 at representative bank features throughout. BEHI RATING1 High Bank Height (ft): Bank Height/ Root Depth/ Root Bank Angle Surface Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection% Value Range ---- --- ------ 1.0 -- ----------- 1.1 --- --- 1.0 ----------- 0.9 --------- 100 ---- -- ----------- 80 - -- 0.0 20.0 - ----------- --- - - - -- 100 --------------- 80 ---- VERY LOW -- Index Range 1.0------- ! 9--- -- -12----- -- 1.9 -------- 1 2- - - - - -- 1=9--- --- 1.0 - ---- -- 9-------- =1------- La_ Choice V: I: V: I: V: I: V: I: V: I: - Value Range 1.19 0.9 - - - - -- 050 21.0 60.0 79 - - - - - -- 55 -� LOW Index Range 2.0 3.9 2.0 3.9 2.0 3.9 2.0 3.9 2.0 3.9 Choice V: I: w Value Range 1.2-- - ----- - - - -1 5- -- 0.5 ---- ---- -- -- 0_30 -- 54---- - - - ------ -30 --- 61.0 80.0 --------------- - - - -- 54 - - - - - -- - °-- 30 - -- O IL•--------- MODERATE ---- ------ - ----- Index Range - - - - -- 4.0 ------------- - 5.9 - - - - -- 4.0 ------------- 5.9 - - - - -- 4.0 5.9 4.0 5.9 -------------- - - - - -- 4.0 ------------------- 5.9 c Choice V: I: V: I: V: I: V: I: O O Value Range 1.6 2.0 0.29 0.15 29 15 81.0 90.0 29 15 W HIGH ---- ---- ----- -- Index Range °--- ----------- -------- 6.0 ----- - - - - -- 7.9 ----- -------- 6.0- ------ - - - - -- - - - - -- 7.9 -- -- --------- --- 6.0 --- ----------------- - - - - -- 7.9 - -- -- ------- -- - - - - -- 6.0 7.9 ------------------------------ ------- - - - - -- 6.0 ----------- - -- 7.9 Y Choice V: I: V: I: V: I: V: I: C ea m•----- Value Range _ ------9 - 2.1 ---- ------------- 2.8 -- 0.14 ----------------------------------------- 0.05 _ 14 5 91.0 119.0 ----- 2----- -- -- -- -- 14 --------------- 10 - --- VERY HIGH Index Range --- 8.0 - ------ 9.0 --- ----- - --- 8.0 ------- 9.0 ------------ 8.0 -- --------- --------- 9.0 8.0 9.0 - ---------- °----- -- 8.0 ------------- 9.0 -- - ---- •------ - - ---- Choice V: I: V: I: V: I: V: I: V: I: Value Range - - - - - -- >2.8 ------- <0_05------------------ <5- ------------------ >119 - - - - - -- <10- EXTREME Index Range ------- - -- - - - - - -- 10--- - - - - -- ----- - - - -10 ---- - - - -10 Choice ---- - - - V: -10 I: V: -10 I: - V: I: V: I: V: I: V = value, I = index SUB -TOTAL (Sum one index from each column)r 24.1 k Material Description: Bank Sketch Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust Gravel (Add 5.10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Slit Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: Few stratified layers were observed Stratification Add 5-10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTF5 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5-9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 37.1 The BEHI was conducted at several locations on T1 -1 at representative bank features throughout. BEHI RATING1 High Bank Erodibility Hazard Rating Guide Stream: Jacob's Landing (T1 -1) Reach: 70 Linear Feet Date: 2121112 Crew: AH Very Hiah Rating nk Material Description: Bank Sketch Mostly smaller gravel mixed with sand nk Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL ADJUSTME Stratification Comments: Few stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENT[ VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5-99 10-199 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 40.0 The BEHI was conducted at several locations on T1 -1 at representative bank features throughout. BEHI RATING1 Very High Bank Height (ft): Bank Height/ Root Depth/ Root Bank Angle Surface Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection % Value Range •- -------- - - - - -- 1.0 -- ------- 1.1 ---- -- -- -- 1.0 - ------------ 0.9 ------ 100 ------ -------- 80 - - -- -- 0.0 20.0 --------------------- 100 --------------------- 80 VERY LOW Index Range •------- -- -- - - -- 1.0 -- ------ 1.9 ----- ---- -- 1.0 ----- ----- 1.9 --- - - - --- 1.0 ----------- 1.9 1.0 1.9 1.0 1.9 Choice V: I: V: I: --- V: 1: --- --- ------------------------------------------ V: I: V: I: Value Range •------- -- - - - --- 1.11 -- -------- 1.19 -- - -- 0.9 ----------------------------------------- 0.50 79 55 21.0 60.0 79 55 LOW Index Range 2.0 ---- 3.9 2.0 3.9 2.0 3.9 -- -- ------ ---- - - - - -- 2.0 3.9 --------------------- 1 2.0 3.9 ea Choice V: I: V: I: V: I: Y Value Rang Value Range 1.2- 1_5 0 5 0.30 61.0 800 54 30 a MODERATE -- Index Range ------- ------ - - ----- 4.0 -- ------- - - - - -- - -- 5.9 ---- -- - - -- -- - 4.0 - - - -- 5.9 --- --- 4.0 --- --- ------- --- 5.9 - - - - - -- --------- ----- - -- --- 4.0 5.9 ----------------------------------------- - -- --- - - - -- 4.0 - - -- 5.9 C Choice V: I: V: I: V: I: V: I: o Value Range 2.0 0.29 0.15 29 15 81.0 90.0 15- HIGH - Index Range --- ----- --- - - -- - - -1 _6 - 6.0 - -- --- - - - - - -- -- 7.9 --- °- -- -- 6� -- - ------ ------------ 7.9 - -- - -- - -- 6 ------------------ --- g6.0796 - ---------- --- - - - --- - ----------------- - - -29 - - - - -- 7.9L x c Choice V: I: I: V: I: m---------- Value Range - - - - -- 2.1 -- ----------- 2.8 -- - - -- 0.14 -- --- -------- 0.05 - - ---- 14 ------------- 5 - - - - --- 91.0 119.0 ------------------------------------------ 14 10 VERY HIGH Index Range •---- --- -- - - ---- 8.0 9.0 8.0 ----------------------------------------- 9.0 8.0 9.0 8.0 9.0 8.0 9.0 Choice V: I: V: I: ----------- ------------------------------- V: I: V: I: Value Range •--- ---- -- - - - - -- -- ----------- >2.8 --- - -- ----------------------------------------- <0.05 <5 >119 <10 EXTREME Index Range •------- -- - - -- ------------ 10 --- -- -- -- ----- -------- 10 - - - --- 10 ------------- - --- ------------- 10--::::::: --------------- 10 ----- Choice V: I: V: I: V: I: --- ----------- V: I: --------------- V: I: - - - -- V = value, I = index SUB -TOTAL (Sum one index from each column)l 27.0 nk Material Description: Bank Sketch Mostly smaller gravel mixed with sand nk Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL ADJUSTME Stratification Comments: Few stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENT[ VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5-99 10-199 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 40.0 The BEHI was conducted at several locations on T1 -1 at representative bank features throughout. BEHI RATING1 Very High Bank Erodibility Hazard Rating Guide Stream: Jacob's Landing (T1 -2) Reach: 40 Linear Feet Date: 2/21/12 Crew: AH Hiah Ratina k Material Description: Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5-10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Slit Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: stratified layers were observed Stratification Add 5-10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 37.2 The BEHI was conducted at one location on T1 -2 at a representative bank feature. BEHI RATING1 High Bank Height (ft): Bank Height/ Root Depth/ Root Bank Angle Surface Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection% Value Range -- --------------------------------------------------- 1.0 1.1 1.0 0.9 - - -- 100 --- -------------- 80 - -- 0.0 20.0 ------------------------------------------ 100 80 VERY LOW Index Range 1.0-- ---- -� 9--- --- 1= 0------- 1.9 -- - - -� 0------ °1.9 °- - -- 1.0 ----- °1 9--- -- 1- 0- ------ 1=9--- Choice V: I: V: 1: V: I: V: I: V: 80.0 I: 1.9 - 1.11 1.19 0.9 0.50 79 -- - - - -55 21.0 60.0 79 - - - - - -- 55 - -- LOW .--Value-Range Index Range 2.0 3.9 2.0 3.9 2.0 3.9 2.0 3.9 2.0 3.9 A Choice V: I: V: I: V: I: r Value Range 1.2 -- -- ------------------------------------------------ - - - - -1 5 - -- 0.5 0.30 - -- 54---- - - - -30 61.0 800 -------------------- 54 - - - - - -- - - ---- 30 - -- 0 a.-------- MODERATE -- --------- - - -- Index Range ----e- ---- 4.0 ------------- 5.9 - - - - -- 4.0 5.9 4.0 -------------- 5.9 - - - - -- 4.0 5.9 -------------------- 4.0 ------------------- 5.9 c Choice I V: I: V: 1: V: I: V: I: 0 o Value Range 1.6 2.0 0.29 0.15 29---- 81.0 90.0 29 15 lL HIGH ---------------- Index Range --------- - ----- ------------- 6.0 ------ 7.9 ------------ 6.0- ------ ------- - - - - -- 7.9 -- - -- - - - 6.0 -15 --- 7.9 --- --------- -- - - - --- 6.0 7.9 --------- ----------- ------- - - - - -- 6.0 ------------- 7.9 ------- �C Choice V: I: V: 1: V: I: c m•--- Value Range _ ----- -- ---- _ 2.1 ------------ 2.8 - - ---- 0.14 ------------- 0.05 ------ 14 ---- ---------- 5 - ----- _ 91.0 119.0 ------------------- 14 ---------------- 10 --- VERY HIGH Index Range •------ --- - - - - -- 8.0 ------------- 9.0 - - - - -- 8.0 --------------- 9.0 - - -- 8.0 -------- ------ 9.0 ------ 8.0 9.0 ---------- ---------- 8.0 -°------------- 9.0 --- Choice V: I: V: L V: I: V: I: V: I: Value Range •---- ---- °----- ------------- >2.8 ------ - -------------- <0.05 ---- <5 ------ ---------- ---- >119 ----- --------- - - ---- <10 -------------°- --- EXTREME Index Range ----------- -------- --------- 10 - -- ----- --------- 0------ --- - - - -1� --------10-------- Choice V: I: V: I: V: I: V: I: V: I: V = value, I = index SUB -TOTAL (Sum one index from each column) 24.2 k Material Description: Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5-10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Slit Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: stratified layers were observed Stratification Add 5-10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 37.2 The BEHI was conducted at one location on T1 -2 at a representative bank feature. BEHI RATING1 High Bank Erodibility Hazard Rating Guide Stream: Jacob's Landing (T1 -3) Reach: 143 Linear Feet Date: 2/21/12 Crew: AH Moderate Ratino c Material Description: Bank Sketch Mostly smaller gravel mixed with sand c Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL ADJUS Stratification Comments: few stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr9 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 29.8 The BEHI was conducted at several locations on T1 -3 at representative bank features throughout. BEHI RATING1 Moderate Bank Height (ft): Bank Height/ Root Depth/ Root Bank Angle Surface Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection% Value Range •----- ---- -- - - -- 1.0 ------- ---- -- 1.1 - -- - -- 1.0 -- ---- ------ 0.9 - - - - - -- 100 --- -- --- ------ 80 - - - --- 0.0 20.0 --------------------- 100 --------------- 80 - - - -- VERY LOW Index Range - -I-ndex angel 1.0 - --- --------- 1.9 - -- - -- 1.0 1.9 - 1.0 ------ ------ --1.9- 1.9 -- 1.0 1.9 --------------- 1.0 1.9 Choice V: I: ---to------ V: ------ I: V: I: -- - -- V: I: Value Range •-- ------- - - - --- 1.11 ------ ------- 1.19 - ----- 0.9 ----- - ------- 0.50 -- 79 ------ ----- --- 55 - - - - -- 21.0 60.0 -- ------ - 79 55 LOW Index Range 2.0 3.9 2.0 ---- 3.9 2.0 3.9 ------ - - - -- 2.0 3.9 --------------------- 2.0 3.9 _ •-- - ---- -- - - -- -- Choice -- ---- ----- -- V: I: - - -- -- ------ -------- V: I: - - ---- -------------------- V: I: w Range Value Range 1.2------- 1_5 0:5 0_30 54 80 61.000 54 O a---------- MODERATE °Value Index Range - - - - -- - - -- -- 4.0 ------------- - -- 5.9 - - - - -- -- - 4.0 ------------- - - - -- -- 5.9 - - - - -- ----------------------------------------- 4.0 5.9 4.0 5.9 -------------- - - - - -- -- - -54 - - - - - -- 4.0 -------------------- -- - -- 5.9 c Choice V: 1.2 I: 4.0 V: I: v: I: V: I: 0 o Value Ra n ge 1 6 2.0 0.29 0.15 29---- 81.0 90.0 15 W•----- HIGH- -- Index Range - - ---- -- --- ------ 6.0 - -- -------- -- --- 7.9 - - - --- ------- 6.0 ------------ --- - - --------------- 7.9 - - ----- --- - - - 6.0 ----------- ----- -15 7.9 °° ------------------------------- ------------------------------------------ - - -29 - - - - -- 6.0 -- 7.9 .X C Choice V: I: V: I: V: I: V: I: V: I: M m•---- Value Range ----- - - -- -- 2.1 - °- --------- 2.8 - - - - -- 0.14 ------------ 0.05 - - - - - -- 14 - ----------- -- 5 - - - - -- 91.0 119.0 ------------------------------------------ 14 10 VERY HIGH Index Range •----- ---- - - - - -- 80 - ------------ 9.0 - - - - -- 8.0 ---- 9.0 ---- -- 8.0 -- ------------ 9.0 8.0 9.0 8.0 9.0 Choice V: I: --- V: - - -- -- I: V: I: - - - - -- --------------------- V: I: --------------- V: I: - ---- Value Range •----- --- -- - -- -- >2.8 --- -------- -- - - - - -- <0.05 <5 ---------- >119 <10 EXTREME Index Range •----- --- - - - - - -- 10 -- ----------- - -- - -- ------------- -------- - -- - -- 10 --- -- - - - - -- - --- 10 -------------------- - - - - -- -- -- °-------- - - - --- 10 --- --------------- 10 -- - -- Choice V: I: V: I: V: I: --------- 1-- - - - -- V: I: -------------:- V: I: -- - -- V = value, I = index SUB -TOTAL (Sum one index from each column) 16.8 c Material Description: Bank Sketch Mostly smaller gravel mixed with sand c Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL ADJUS Stratification Comments: few stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr9 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 29.8 The BEHI was conducted at several locations on T1 -3 at representative bank features throughout. BEHI RATING1 Moderate Bank Erodibility Hazard Rating Guide Stream: Jacob's Landing (T1 -3) Reach: 150 Linear Feet Date: 2/21/12 Crew: AH Hiah Ratina k Material Description: Bank Sketch Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5-10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: few stratified layers were observed Stratification Add 5-10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr5 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5-9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46-50 Bank location description (check one) GRAND TOTAL 32.1 The BEHI was conducted at several locations on T1 -3 at representative bank features throughout. BEHI RATING1 High Bank Height (ft)'. Bank Height) Root Depth/ Root Bank Angle Surface Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection% Value Range •------ 1.0 ----- ------------ 1.1 -- 1.0 -- ------ 0.9 -------- - -- 100 ------- --------- 80 - - -- 0.0 20.0 - ---------- ------ - -- 100 --------------- 80 - - -- VERY LOW --------- Index Range ------ 1.0 ----------- 1.9 1.0 -- ------------ 1.9 - -- -- 1.0 --------------- 1.9 -- - -- 1.0 1.9 --------------° - - -- 1.0 1.9 •----- - °- Choice ----- V: I: - -- V: I: V: I: V: I: Value Range °------ -- ------ 1.11 ----- ------ ---- 1.19 - --- 0.9 -------- 0.50 ----------- 79 ------- --- ---------- 55 21.0 60.0 °--------- ---- ----- 79 --------°------ 55 - -- LOW Index Range 2.0 3.9 2.0 3.9 1 2.0 3.9 2.0 3.9 2.0 3.9 Choice V: I: V: I: V: I: .Od. - Value Range- 1.2 ------------------- 1.5 0.5 - ---- -- - - - -- 0.30 -- 54---- - - - -------------------- -30 61.0 80.0 -------------- - ----- 54 - -- ---------^ 30 - -- O a.--------- MODERATE Index Range - - - - -- 4.0 5.9 4.0 ------------------- 5.9 4.0 5.9 4.0 5.9 -------------------- 4.0 ------------------- 5.9 C Choice V: I: V: I: V: I: O rn Value Range 1.6 2.0 0.29 0.15 29 15 81.0 90.0 29 15 O•-- W HIGH ----- -- - - - --- Index Range ------ °---- - -- -- ----------- 6.0 - ---- --- ------- - - - - -- 7.9 - - -- --- ----- 6.0- - ---=- ----- --- - -- - - - - -- 7.9 -- --- --- -- ------ 6.0 ------ ------- -- - - -- 7.9 --- - --- ------------------------------------------ 6.0 7.9 ------------------------------------------ 6.0 7.9 Y Choice V: I: V: I: V: I: V: I: V: I: c m------ Value Range °------- 2.1 -- -- °------------- 2.8 _ 0.14 - -- --------- 0.05 ° ---- 14 -------- -- ---------- 5 91.0 119.0 -------------- - - - - -- 14 --------°------ 10 --- VERY HIGH Index Range 8.0 9.0 8.0 - °----- 9.0 ---- 8.0 ---- ---- °---- 9.0 - - - - -- 8.0 9.0 - °--------- -------- 8.0 --------------- 9.0 ---- •----- ---- ------ Choice --- -- ------ -------- V: I: V: - °---- 1: V: I: V: I: V: I: Value Range •---- ----------- >2.8 ---- ------ ----- ---- ------------ <0.05 - - ^---- <5 ° ------- ------ - - - -- ° >119 - --------------------------- <10 -------- EXTREME Index Range 10 ------------- 10 °- - -- 10 -------- ^----------- 10 --------- ----- - - - - -- 10 --------------- ---- •--- ------ - - - - -- Choice ------------- V: I: - - - - -- V: I: V: I: V: I: V: I: V = value, I = index SUB -TOTAL (Sum one index from each column) 19.1 k Material Description: Bank Sketch Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5-10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: few stratified layers were observed Stratification Add 5-10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr5 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5-9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46-50 Bank location description (check one) GRAND TOTAL 32.1 The BEHI was conducted at several locations on T1 -3 at representative bank features throughout. BEHI RATING1 High Bank Erodibility Hazard Rating Guide Stream: Jacob's Landing (T1 -3) Reach: 135 Linear Feet Date: 2/21/12 Crew: AH Very Hioh Rating Bank Material Description: Mostly smaller gravel mixed with sand Bank Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL ADJUST Stratification Comments: few stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMEN VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 41.4 The BEHI was conducted at several locations on T1 -3 at representative bank features throughout. BEHI RATING1 Very High Bank Height (ft): Bank Height/ Root Depth/ Root Bank Angle Surface Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection°/ Value Range •-- ---- --- - - - - -- 1.0 --------- -- 1.1 1.0 -------- 0.9 - - -- 100 -- 80 0.0 20.0 ----- ----- --- - --- 100 80 VERY LOW Index Range •-- ----- ----- - -- -- 1.0 ------ --- ---- - - - --- 1.9 - - - - -- ---- --- 1.0 --- ---------- 1.9 ------ ------ ------ 1.0 ---------- ---- - - - - -- 1.9 - - - - -- --- 1.0 1.9 --------------------- --------------- 1.0 --------------------- - - - -- 1.9 Choice V: I: V: I: V: I: V: I: V: I: Value Range •-- ------- ------ 1 11 ------- --- --- 1.19 - - -- -- 0.9 ---- --------- 0.50 -- - - -- 79 ---------- -- -- 55 -- - - -- 21.0 60.0 ----- --------- -- - --- 79 --------------- 55 - - -- LOW Index Range 2.0 3.9 2.0 3.9 2.0 3.9 2.0 3.9 2.0 3.9 2 Choice V: I: V: I: V: I: Q (;' 2;0 ", Y Value Range 1.2 1.5 0.5 0.30 54---- 61.0 80.0 54 30 C CL MODERATE .--------- - - - - -- Index Range •--------- - - - - -- ------ - - - - - -- 4.0 --- -- -------- - -- 5.9 - -- - -- ----- ----- -- --- 4.0 ----- -------- - - -- 5.9 --- - -- - -- - - - 4.0 --- -- --------- -30 - -- 5.9 - -- - -- --------- ----- - - ---- 4.0 5.9 --- -- --------- - -- - -- ---- - - - - --- - -- 4.0 ------------------ - -- 5.9 -- c O Choice V: I: V: I: V: I: V: I: V: I: oValue Range 1 2.0 0 0.15 90- 15 -- -6 - - - - - -- - -- - -- - --- - -- - -- - - - - -- - - -- - -- -- - - -29 - - - - - -- - -- LLI HIGH .- -Index Range ----- 6A7.9 -------------------------------------------------------------- 6- 79 60 7 9 - -- -- --- - -- - -- 9 - -- --- 6=-- - - -- -- 7.9- -- Y C Choice V: 2.0 I: 7.9. -, ; 0.20 1 15.0 I: 7.9 V: I: V: I: M m•- Value Range -------- - - ---- 2 1 - ------------ 2.8 - -- ---- 0.14 --- -- ------- ------- 0.05 14 ------------ ---- 5 - - -- 91.0 119.0 ------------------------------------------ 14 10 VERY HIGH -- Index Range --- ---- - - - - -- 8.0 --- --- ------ - - - 9.0 - - -- --- 8.0 -- ------ -- - 9.0 - - - -- --- 8.0 ----------- 9.0 - - ---- 8.0 ------------- - 9.0 °- - - - ---- 8.0 ---------- 9.0 - ----- Choice V: I: V: I: V: 1: V: I: V: I: Value Range •---- --- ---- - - -- >2.8 ------- -- --- -- - - - -- <0.05 ----------------------------------------- <5 >119 <10 EXTREME Index Range •--------- -- ---- 10 ------------ - - - ---- 10 ----------------------------------------- 10 -- ----- ------- - -- --- 10 -------- -------- - --- --------------- 10 ---- Choice V: I: V: I: V: I: V: I: --------------- V: 1: - - - -- V = value, I = index SUB -TOTAL (Sum one index from each column)l 28.4 Bank Material Description: Mostly smaller gravel mixed with sand Bank Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL ADJUST Stratification Comments: few stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMEN VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 41.4 The BEHI was conducted at several locations on T1 -3 at representative bank features throughout. BEHI RATING1 Very High Bank Erodibility Hazard Rating Guide Stream: Jacob's Landing (T1A) Reach: 23 Linear Feet Date: 2121/12 Crew: AH Moderate Ratina k Material Description: Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5-10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: stratified layers were observed Stratification Add 5-10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENT VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46-50 Bank location description (check one) GRAND TOTALI 29.8 The BEHI was conducted at several locations on T1A at representative bank features throughout. BEHI RATING1 Moderate Bank Height (ft): Bank Height/ Root Depth/ Root Bank Angle Surface Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection % Value Range 1.0 °---------- 1.1 1.0 ----' °-------------- 0.9 100 --------------- 80 ----- 0.0 20.0 ---- °-------- -- - - 100 - -------------- 80 - VERY LOW - - ----- - - - Index Range --° - -- - - - -- --- 1.0 --- - --- ------ - ----- 1.9 -- - - - -- 1.0 ---------- ---- 1.9 -- - --- 1.0 --------------------------------------------- 1.9 1.0 1.9 1.0 -------- -- - --- 1.9 - -- -- Choice V: I: V: 1: V: I: V: I: V: 90.0 I: 1.5 Value Range 1.11 1.19 0.9 -- - -- ------- 0_50 - 79 -- - -- ------- 55- 21.0 60.0 - -------------------- 79 ----- - ------- - -55- LOW - Index Range --------------------- 2.0 3.9 2.0 3.9 2.0 3.9 2.0 3.9 2.0 3.9 - Choice V: I: V: 0.52 I: 3.8 V: I: M Value Range 1.2 0.5 0.30 ---- - - - -30 - 61.0 80.0 -- 54---------30-- O a- MODERATE - - Index Range - -- - -- - - -- ------ -- - 4.0 - ------------- -1_5 --' 5.9 - - - - -- ------- -- 4.0 --------------------------------------------- 5.9 ------ 4.0 5.9 --------------------- 4.0 5.9 --------------- - - - - -- 4.0 --------------------- 5.9 c Choice V: 1.5 I: 5.9 V: I: V: 36.0 I: 5.4 V: I: V: I: O o Value Range 1.6 2.0 0.29 0_15 29 15 81.0 90.0 29 15 W HIGH ------- --- ------- - Index Range ------------- 6.0 -------- 7.9 -------- 6.0 ------ ------- -- - 7.9 --- --- ------- - - 6.0 --- -- ------- -- 7.9 - - - --- --------------------- 6.0 7.9 - ---- ----- ----- - -- - -- --------------------- 6.0 --------------------- 7.9 Y Choice V: I: V: I: V: I: V: I: c m- Value Range - - - - -- - 9- - 2.1 - -- ---- ----- 2.8 ----- - -- 0.14 ----- ---- ------ 0.05 - - - -- 14 -- - -- - - 5 - -- 91.0 119.0 --- - -- - - - -- - - 14 - --------------- 10 --- VERY HIGH Index Range --- - -- 8.0 ---- ------- ---- 9.0 - ----- 8.0 -- ------ -- ----- 9.0 - ------ 8.0 --------------- 9.0 ---- -- 8.0 9.0 °-- ------ -- ---- -- -------- 8.0 -------- 9.0 - - ---- --- --- ----- Choice V: I: V: I: V: I: V: I: V: I: Value Range -- --- - -- >2.8 ---- ---- --- -- -- - -- --- <0.05 --------- --------- --- <5 -------- ------- - - - --- >119 ---- ----- ---- ----- - -- EXTREME --- -- ---- Index Range -- -Index Rang -- - -- -- 10 ------ -- - - - --- - 10- -- -- - -- ��- -- ---- -- --- ------ - ---- - �0----------------------- Qcolumn) Choice V: I: V: I: V: I: V: 1: v = value, I = index SUB -TOTAL (Sum one index from each k Material Description: Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5-10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: stratified layers were observed Stratification Add 5-10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENT VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46-50 Bank location description (check one) GRAND TOTALI 29.8 The BEHI was conducted at several locations on T1A at representative bank features throughout. BEHI RATING1 Moderate Bank Erodibility Hazard Rating Guide Stream: Jacob's Landing (T1A) Reach: 35 Linear Feet Date: 2/21/12 Crew: AH Hiah Ratina Bank Material Description: Mostly smaller gravel mixed with sand Bank Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL ADJUSTM Stratification Comments: stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 38.8 The BEHI was conducted at several locations on T1 at representative bank features throughout. BEHI RATING1 High Bank Height (ft): Bank Height/ Root Depth/ Root Bank Angle Surface Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection % Value Range •----- ----- - - - -- 1.0 ---- ------- 1.1 - - - - -- 1.0 ----- -- ---- - 0.9 °- 100 ------ --- ----- 80 - - - - -- 0.0 20.0 --- ----------- - 100 --------------- 80 °-- VERY LOW Index Range •--- ------ - --- -- -- 1.0 -- --------- 1.9 ---- ---- - 1.0 ------------ ----'-- - -- 1.9 1.0 - ---- -----'-- 1.9 - --- - -- - - - -- 1.0 1.9 ------------ -- --- 1.0 - 1.9 --'-- Choice V: I: V: I: V: I: - -- V: I: --------------- V: I: Value Range •-- ------- - -- - -- 111 --- ---------- 1.19 - - - - -- 0.9 -- - 0.50 79 ------ ------- 55 --- - - -- 21.0 60.0 - 79 55 LOW Index Range 2.0 3.9 ---------- 2.0 - - - --- 3.9 2.0 3.9 -- --- ---- ----- - - - -- 2.0 3.9 ---------------- 2.0 - - -- 3.9 Choice V: I: V: I: V: I: yValue Range 1.2 1_5 0_5 0_30 54---- 61.0 80.0 30 O Q. MODERATE Index Range .--------- - - - - -- ------- 4.0 ------------- -------- 5.9 - - - - -- ------- 40 --------------------------------------- --- 59 - -- - - - 4.0 -30 - -- 5.9 -- -- 4.0 5.9 ----------------------------------------- - -_ -54 - - - - - -- 4.0 - -- 5.9 c O Choice V: I: ;. " 7 0.37 I: 5.2 V: I: V: I: V: I: U) Value Range 1.6 2.0 0 15 29 15 81,0 90_0 29-- 15 HIGH ----------------- Index Range --- -- --- 6.0 - -- - -- 7.9 - -0.29 ----------------------------------------- -- 6_0 7.9 6.0 - -- 7.9 - - - - -- -- -------------------- 6.07 9 - -- - - - - -- --------------------- 60 - -- 7.9 ae Choice V: I: V: I: V: I: c m•-- Value Range ---- --- -- -- -- 2.1 --- ---- 2.8 ------- - - - -- 0.14 ----------------------------------------- 0.05 14 5 91.0 119.0 ------------------------------------------ 14 10 VERY HIGH Index Range •--- -- -- -- - - - --- 8.0 --------- 9.0 ---- - -- - -- 8.0 ----------------------------------------- 9.0 8.0 9.0 8.0 9.0 8.0 9.0 Choice V: I: V: I: V: I: ----------------------------------------- V: 1: V: I: Value Range •---- ---- - - -- °- ------------- >2.8 - - - - -- <0.05 -------------------------------------------------------------- <5 >119 <10 EXTREME Index Range •----- -- -- - - - - -- --- ------- 10 --- - - -- -- 10 --------- ---- 10 ----- ----- -- 10 --------------------- 10 Choice V: I: V: I: - - ---- --- V: I: ----- -------------- - - - --- V: I: --------------- V: I: - ---- V = value, I = index SUB -TOTAL (Sum one index from each column) 25.8 Bank Material Description: Mostly smaller gravel mixed with sand Bank Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL ADJUSTM Stratification Comments: stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 38.8 The BEHI was conducted at several locations on T1 at representative bank features throughout. BEHI RATING1 High Bank Erodibility Hazard Rating Guide Stream: Jacob's Landing (T1A) Reach: 107 Linear Feet Date: 2/21/12 Crew: AH Very Hiah Ratina k Material Description: Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5-10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: stratified layers were observed Stratification Add 5-10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5-9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 401 The BEHI was conducted at several locations on T1A at representative bank features throughout. BEHI RATING1 Very High Bank Height (ft): Bank Height/ Root Depth/ Root Bank Angle Surface Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection% Value Range 1.0 -------- 1.1 ------ --------- 1.0 ------ 0.9 °----- -- 100 --------- 80 -- -- 0.0 20.0 °----------- -- °--- 100 --------------- so-­ - - -- VERY- VERY LOW Index Range 1.0 -- ------- 1.9 --- ------- 1.0 ----- °----- 1.9 ------- 1.0 -- ------------ 1.9 - - -- -- 1.0 1.9 -------------------- 1.0 --------------------- 1.9 ---- ----------- Choice V: I: V: I: V: 1: V: I: V: I: Value Range 1.11 -------- 1.19 ----------- 0.9 - ------ - - - -- 0_50 -- 79---- - - - ------ -55 - -- 21.0 60.0 ----- -------- --- ° -- 79 - - - - - -- ------ 55 - -- LOW - -- --- °------- Index Range 2.0 3.9 2.0 3.9 2.0 3.9 2.0 3.9 2.0 3.9 Choice V: I: V: I: V: I: +� c Value Range _ ------- - - - ---- _ 1.2 --------------- 1.5 -------------------------------------- 0.5 0.30 54 ---- 30 ---- _ 61.0 80.0 - ------------------ 54 --------°--------- 30 O IL--------- MODERATE Index Range - - - - -- 4.0 ------------- 5.9 - - - - -- 4.0 5.9 4.0 -------------- 5.9 - - - - -- 4.0 5.9 -------------------- 4.0 ------------------- 5.9 c Choice V: I: V: I: V: I: V: I: O o Value Range 1.6 2.0 0.29 0.15 29 15 81.0 90.0 15 lL HIGH - - - - - Index Range ------- -- ------ -- -- --------- 6.0 - - - - -- 7.9 ------ --- 6.0- ------ -------- -- - - - - -- 7.9 -- -------------- 6.0 - - - - -- 7.9 -------------------- 6.0 7.9 --------- ---- --- - --- - - -29 - - - - - -- 6.0 ------------------- - -- 7.9 .Z Choice V: I: V: I: V: I: c O m- Value Ran a - ---- ---9 -- 2.1 ---- °------ 2.8 _ - - - - -- 0.14 --- -- ------------ 0.05 -- 14 ----- ----- ---- 5 ------ 91.0 119.0 --- - -------- --- ----- 14 --------------- 10 ---- VERY HIGH Index Range 8.0 -------------- 9.0 8.0 - ------------ 9.0 -- - - -- 8.0 -- ---- -------------- 9.0 8.0 9.0 ----------- ------ - -- 8.0 --------------- 9.0-­ ----- Choice Choice -- --- V: I: V: I: V: I: V: I: V: I: Value Range >2.8 ------- -- ---- <0.05 - -- -------- - 5--------- -------- >119 ----------------- <10-------- EXTREME -'------°---------- •------ ---- Index Range ---- °- 10 -- - - - - -- 10- 10 ---- - - - -10 Choice ---- - - - V: -10 I: -- - - - - -- V: - -- I: V: I: V: I: V: I: V = value, I = index SUE TOTAL (Sum one index from each column) 27.1 k Material Description: Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5-10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: stratified layers were observed Stratification Add 5-10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5-9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 401 The BEHI was conducted at several locations on T1A at representative bank features throughout. BEHI RATING1 Very High Bank Erodibility Hazard Rating Guide Stream: Jacob's Landing (T2 -1) Reach: 275 Linear Feet Date: 2/21/12 Crew: AH Moderate Rating nk Material Description: Mostly smaller gravel mixed with sand nk Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: Few stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr 5 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 29.3 The BEHI was conducted at several locations on T2 -1 at representative bank features throughout. BEHI RATING1 Moderate Bank Height (ft) Bank Height/ Root Depth/ Root Bank Angle Surface Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection % Value Range -------- - 1.0 -------- 1.1 ----- 1.0 ----- 0.9 ° ---- - - - - -- 100 80 -- - - - -- 0.0 20.0 ---- ---------- - - - - -- 100 ---- ---------- ° 80 - - -- VERY LOW •- - - - -- Index Range •------ ---- - - - -- 1.0 - --- ---- ------ .9 1 - - -- --- -- - - -- 1.0 --- ------ ---- 9 1_9 -- ------------- 1.0 ------- -- -- 1.9 - - - -- - 1.0 1.9 ---- ----------- - - - -- 1.0 1.9 Choice V: I: V: I: V: I: V: I: Value Range -------- - 1.11 ------------- 1.19 0.9 --------- 0.50 -- -- -- - - -- 79 ---- -- 55 21.0 60.0 ---- --- ---- - -- -- 79 --------------------- 55 LOW •- - - - -- Index Range 2.0 - -- --- 3.9 2.0 19 --- ----- 2.0 - - - --- 3.9 ---- 2.0 3.9 2.0 3.9 - ro --------- - - - - -- Choice ------ ------ V: - -- °-- I: MEM --- ---- -- ---- V: I: - - -- - -- --- ------------------ V: I: w Value Range 1.2------- 1_5 0_5 0.30 80- 54 a•--------- MODERATE Index Range - - - - -- 4.0 - -- 5.9 -- 4.0 ------------- - --- 5.9 - - - - -- - -- - ---- - - - 40 -------------- --- 5.9 - - - - -- -- -- 4.0 5.9 -------------- - - - - -- - - - - - -- 4.0 -------------------- -- - -- 5.9 G Choice V: I: V: 45.0 I: 4- V: I: V: I: o Value Range 1.6 2.0 0.29 0.15 29 15 81.0 90.0 29 15 W HIGH •- ------- - ---- -- Index Range --- ---- ---nge -- ------- -- 6:0------- - - - - -- 7.9 - -- -- ------ 6.0 ------------------- ----- --- - -- 7.9 --- 6_0- - - - - -- - -- 7_9 - -- - -- ------- ---- - - - - -- --- 6.0------- -79 - -- - - - - - - -- - -- 6_0-------7.9-- - x C Choice V: I: V: I: V: I: V: I: V: I: M Value Range - -------- - -- - -- 2.1 --- - ---------------------------------------------------------- 2.8 0.14 0.05 14 5 91.0 119.0 ------------------------------------------ 14 10 VERY HIGH Index Range •--------- 8.0 - --- --- 9.0 ---- ----- - -- 8.0 ------ 9.0 ------- - - -- -- 8.0 9.0 8.0 9.0 ------- ------- 8.0 --------------- 9.0 ----- ------ Choice V: 1: V: I: -- ------------ V: I: - - - - -- ------ V: I: V: I: Value Range -------- --- -- ------- >2.8 ---- - -------- <0.05 <5 >119 <10 EXTREME - - Index Range °- ----- -- - - - - -- ---- --------- -- - - - - -- 10 - - - --- ----------------------------------------- ---- - -- - -- 10 ------------ -- 10 --- --- ------- -- ---- -- - -- -- 10 ----- -- ------- --------------- 10 --------------------- - - --- Choice V: I: V: I: V: I: - - ---- V: I: V: 1: V = value, I = index SUB -TOTAL (Sum one index from each column)l 17.3 nk Material Description: Mostly smaller gravel mixed with sand nk Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: Few stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr 5 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 29.3 The BEHI was conducted at several locations on T2 -1 at representative bank features throughout. BEHI RATING1 Moderate Bank Erodibility Hazard Rating Guide Stream: Jacob's Landing (T2 -1) Reach: 145 Linear Feet Date: 2/21/12 Crew: AH Hiah Ratina k Material Description: Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5-10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Slit Clay (+ 0: no adjustment) BANK MATERIAL ADJUSTM Stratification Comments: Few stratified layers were observed Stratification Add 5-10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENT' 5 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5-9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTALI 36.8 The BEHI was conducted at several locations on T2 -1 at representative bank features throughout. BEHI RATING1 High Bank Height (ft): Bank Heightl Root Depth/ Root Bank Angle Surface Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection % Value Range ----- ------ ---- 1.0 --- ----- 1.1 °------- -- 1.0 --- °- ---- 0.9 --- - ----- 100 ---------- --- 80 ------- 0.0 20.0 ----- ------ ---- ---- 100 ------------- 80 -- -- -- VERY LOW Index Range •-- ----- -------- 1.0 --- ---- - ------ 1.9 --°- - --- 1.0 -- --------- 1.9 - - -- 1.0 --- --- ------ -- 1.9 -- - --- 1.0 1.9 --- -----°------ ---- 1.0 1.9 Choice V: 1: V: I: V: I: V: I: Value Range •- -------- 1.11 ------ 1.19 ----- ------------------- 0.50 79 - -- ---------- 55 - °---- 21.0 60.0 ---- ------------- - -- 79 --------------- 55 - - -- LOW ------ Index Range ----- 2.0 3.9 ---0.9 2.0 3.9 2.0 3.9 2.0 3.9 2.0 3.9 Choice V: I: V: 1: V: I: V: I: wValue Range 1.2------- 1_5- 0.5 - - - - -- 0.30 54---- 61.0 80.0 54 - - - - - -- 30 - -- O a•--------- MODERATE Index Range - - - - -- 4.0 ------ ------- -- 5.9 - - - - -- 4.0 ------------- 5.9 - - - - -- - - - 4.0 -------------- -30 5.9 - - - - -- 4.0 5.9 -------------------- 4.0 --------------------- 5.9 r- Choice V: I: V: 1: V: I: V: I: V: I: O Value Range 1.6 2.0 0.29 0.15 29 15 81.0 90.0 29 15 W HIGH Index Range •--------- ------ 6.0 7.9 6.0 7.9 6.0 7.9 6.0 7.9 ------------------------ 6.0 7.9 Choice V: I: V: I: c m Value Range _ -------- - - ---- _ 2.1 ------- 2.8 _ ---- - ----- _ 0.14 -------- 0.05 _ -- ----- -- 14 ----------------- 5 - -- 91.0 119.0 -- - °----°--------- 14 --------------- 10 ---- VERY HIGH Index Range •----- ---- - -- 8.0 --------------------------------- 9.0 8.0 9.0 8.0 - ----- ----------- 9.0 - -- 8.0 9.0 --- ----------------- 8.0 --------------- 9.0 ---- - -- Choice V: I: V: I: V: I: V: I: V: 1: Value Range •-------- ----- -- --------- >2.8 ------ - - -- ---- ---- <0.05 -- --- ---- -- <5 - ------------------- >119 ---- -- -------------- <10 --------------------- EXTREME Index Range ------------ ---- ---------- 10 --- - ----- ------------- 10 - - - --- 10 --------- ----- - - - - -- 10 -------------------- 10 --------------------- Choice V: I: V: 1: 1 V: I: V: I: V: I: V = value, I = index SUB -TOTAL (Sum one index from each column)l 24.8 k Material Description: Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5-10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Slit Clay (+ 0: no adjustment) BANK MATERIAL ADJUSTM Stratification Comments: Few stratified layers were observed Stratification Add 5-10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENT' 5 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5-9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTALI 36.8 The BEHI was conducted at several locations on T2 -1 at representative bank features throughout. BEHI RATING1 High Bank Erodibility Hazard Rating Guide Stream: Jacob's Landing (T2 -1) Reach: 340 Linear Feet Date: 2/21/12 Crew: AH Very Hiah Rating Material Description: Bank Sketch Mostly smaller gravel mixed with sand Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: Few stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr5 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5-99 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 40.4 The BEHI was conducted at several locations on T2 -1 at representative bank features throughout. BEHI RATING1 Very High Bank Height (ft): Bank Height/ Root Depth] Root Bank Angle Surface Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection% Value Range •------- -------- 1.0 --- ---------- 1.1 - ----- 1.0 -------- 0.9 ----- 100 - ----------- -------- 80 0.0 20.0 100 80 VERY LOW Index Range °--- ----- -- - - -- 1.0 -- --- -------- 1.9 - - - - -- 1.0 - ------------ ------ 1.9 - -- - -- 1.0 -------- ------ 1.9 ------------------------------------------ 1.0 1.9 ------------ 1.0 1.9 Choice V: I: V: I: V: I: - -- - -- -- --- --- V: I: --------------- V: ° - - - I: Value Range •-------- ------- 1.11 --- ---- ---- ---- 1.19 - -° - --0.9 - --------- 0.50 79 - 55 21.0 60.0 79 55 LOW Index Range 2.0 3.9 2.0 - - - - -- 3.9 °----------- 2.0 - - - - -- 3.9 --- ----------- - - - - -- 2.0 3 9 ----°---------- 2.0 - - -- 3.9 •--------- -- -- -- Choice ----- ---- ---- V: I: - - - - -- ---------- V: ----- - - -- I: ----- ---- ------- V: I: - - -- ------------------------------------------ V. 50.0 I: 3.4 V: 60.0 I: 3.5 rValue Range _2 1_5 0_5 0,30 61,0 800 54 30 0 IL.--------- MODERATE Index Range - - - - -- - - -1 ------- 4.0 ------------- - -- 5.9 - - - - -- -- - 4.0 ------------- - - - -- 5.9 - - - - -- 4.0 -------------- - -- 5.9 - - - - -- -- 4.0 5.9 ----------------------------------------- - - - - - -- 4.0 - 5.9 C Choice V: I: V: I: V: I: V: I: V: I: oValue Range 1 2.0 0.29 0.15 90.0 29-- 15 W•-- HIGH Index Range --- ------- --- _6 - - - - - -- -- 6.0 - -- 7.9 6.0 - - - - -- -- 7.9 - -- ---- - - - - -- 6.0 - 7.9 -- -- -- -- 6.0 7.9 --- ----- -------- - --- ---- - - - - -- 6.0 -------------------- - -- 7.9 x Choice V: I: V: I: c f6 m Value Range •--------- - - - - -- 2.1 - --- --------- 2.8 - - - - -- 0.14 ------ --- 0.05 ------ -- -- 14 - -------- --- -------- 5 91.0 119.0 --- ----------- -- - - -- 14 ----°°--------- 10 - -- VERY HIGH Index Range •---- ----- - - - - -- 8.0 ----- --- ----- 9.0 ------ 8.0 ------- 9.0 -- ---- - - - - -- 8.0 - ------------ 9.0 - 8.0 9.0 8.0 9.0 Choice V: I: V: I: V: I: - -- - -- ------------------------------------------ V: I: V: I: Value Range ----------------------- >2.8 - -- ---- - - - - -- ---- --- <0.05 -- ---- <5 ------------ >119 <10 EXTREME Index Range •--------- - - - - -- 10 ----- ---- ---- -- - --- --------- - - - --- 10 ---- - -- - -- -- 10 ---- --------- - - - --- - ------------------------------------------ 10 10 Choice V: I: V: I: V: I: - - - - -- ----- -- ------- - - -- -- V: I: --------------- V: I: - ---- 1 V = value, I = index SUB -TOTAL (Sum one index from each column) 28.4 Material Description: Bank Sketch Mostly smaller gravel mixed with sand Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: Few stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr5 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5-99 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 40.4 The BEHI was conducted at several locations on T2 -1 at representative bank features throughout. BEHI RATING1 Very High Stream: Jacob's Landing (T2 -2) Bank Erodibility Hazard Rating Guide Reach: 305 Linear Feet Date: 2/21/12 Crew: AH Moderate Ratino Bank Material Description: Bank Sketch Mostly smaller gravel mixed with sand Bank Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0' no adjustment) BANK MATERIAL ADJUSTMEN Stratification Comments: Few stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTrS VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20-299 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 28.9 The BEHI was conducted at several locations on T2 -2 at representative bank features throughout. BEHI RATING1 Moderate Bank Height (ft): Bank Height/ Root Depth/ Root Bank Angle Surface Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection% Value Range •--------------- -- 1 -0 -------- 1.1 - -- --------------------- . - --100-- -- -- - -80 - -- - -- 0 0- -- - - -- 20.0 -- - -- 100- - - - - -- 80 - -- VERY LOW Index Range -0 --- 1-0- - - - --- 1.9 -------- 1.0 --- --- 1-9 - -- - -- 1 -0 -- -- - - -1 9 --- --- 10-- ----- 1.9 _- Choice - - -1 -------1-9 V: --- I: V: I: V: I: V: I: V:.._$ p`, ;. 9.7 Value Range 1.11 1.19 0.9 - -- 0.50 - - -- -- - -- 79---- - - - -55 - -- - 21.0 60.0 ------------- - - - - -- 79 - - - - - -- - - - - - -- 55---- LOW •--------- - -- --- Index Range_ --- ---- ____2,0 ------- -- ------ ---- 3.9 --- -------- -- --- ?- 0 - - - - °- 3 9 -- - - -2.0 ------- 3-9 - -- 2.0 3.9 - -- 2.0 - - - - - -- 3.9 - m y Choice V I: V: 0.57 I: 3.6 V: I: -. V: I: e ang Value Range R 1.2------- 1 -5 - -- -- 0 5 - - - - - -- 0 -- -- - -- - -------- 30 - - -- -- 61 0 - - - - -- --- -- ---- 54-- - - - - -- 3- - -- C CL---------- MODERATE -- ---ue Index Range - - - - -- -- 4.0 5.9 4.0 ------------- 5.9 - - - - -- 4.0 -------------- 5.9 - - - - -- 4.0 5.9 -------------- - - - - -- 4.0 --------------------- 5.9 r_ Choice V: I: V•s 4 5. 0 I: 4.7 V: I: V: I: 0 o Value Range 1.6 2.0 0.29 0.15 29 15 - - -- 81.0 90.0 ------------------------------------------ 29 15 W HIGH --------- - -- --- Index Range ---- -- --------- 6- ---- 7.9 6--- 7.9 -------------- -- -=9 - x Choice V: I: -- - -- --- V: I: -- ---- --- - - - - -- V: I: --- - -- -- -- - -- - -- - -- V: I: - -- ----------7.9--- V: I: L Value Ran a 2.1 2.8 0.14 0.05 14 5 91.0 119.0 14 10 m------ VERY HIGH - - - - -9 -- Index Range ------ ------- 8.0 ------°-------- -- - - -- 9.0 - -- --- --- ---- --- -- 8.0- - - - - -- - -- - -- 9.0 -------- ----- --- ------ 8.0 ------- --- --- 9 -0 - -- ---- ---------- - - - - -- --- 8.0 -------- 9 0 - -- --------------- - -- 8.0 ------- - - - -- 9.0 ---- •--------------- Choice V: I: V: I: V: I: V: I: V: l: Value Range - -- - ------ -2 8 ---- -- - - -- -- -0.05 -- ---- ----- -- - - - --- <5 - ---------- --- -- - --- -119 ------ -- °- --- °---- <10 ------------ --------- EXTREME •------- -- --- Index Range -------- t0-- - - - - -- -- - - - - -- 10 ---- ---- -10--------- --------- 10 - -- ----- --------- 10 Choice V: I: V: I: V: I: V: I: V: I: V = value, I = index SUB -TOTAL (Sum one index from each column) 16.9 Bank Material Description: Bank Sketch Mostly smaller gravel mixed with sand Bank Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0' no adjustment) BANK MATERIAL ADJUSTMEN Stratification Comments: Few stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTrS VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20-299 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 28.9 The BEHI was conducted at several locations on T2 -2 at representative bank features throughout. BEHI RATING1 Moderate Bank Erodibility Hazard Rating Guide Stream: Jacob's Landing (T2 -2) Reach: 385 Linear Feet Date: 2/21/12 Crew: AH Hiah Ratina k Material Description: Bank Sketch Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL ADJUSTM Stratification Comments: Few stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr `i VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20 -29.9 30 -39.9 40-459 46 -50 Bank location description (check one) GRAND TOTAL 39.9 The BEHI was conducted at several locations on T2 -2 at representative bank features throughout. BEHI RATING1 High Bank Height (ft): Bank Height/ Root Depth/ Root Bank Angle Surface Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection% Value Range •-- -- -- --- - - - --- 1.0 ------ --- 1.1 ---- - - - - -- 1.0 ------- 0.9 ------ - - - - -- 100 -- - ------ -- - ° 80 - - - - -- 0.0 20.0 -- ---- -------- - - - - -- 100 80 - VERY LOW Index Range 1.0 1.9 1.0 1.9 1.0 1.9 1.0 1.9 --------------- 1.0 - - -- 1.9 Choice V: I: V: I: V: I: V: I: V;' 80,0 Value Range •------- -- - - - --- 1.11 ------------- 1.19 - ---0.9 ---------- 0.50 79 55 21.0 60.0 •• -- 79 55 LOW Index Range 2.0 - - - -- 3.9 2.0 - - - - -- 3.9 ------------ -- 2.0 - - - - -- 3.9 - ----------- - --- - 2.0 3.9 ---- ----------- 2.0 --- -- 3.9 _ w - ------ -- - - - --- Choice ------ --- V: ------ - - -- I: ------- V: ---- -- - -- - -- I: --------------- V: I: ------ ? 45.0 I'' -,. , -------------------- V: I: +� Value Range 0.5 5- 4-- 30 0 - - 3 - O a.- MODERATE ----------------- Index Range --- -- -- -- -9 -- -- --1.2 - 4.0 ---- --------- - - - - -- -- - -- 5.9 -- -- -- ------------------- 4.0 ---- ---- - --- 5.9 ----- - - - --- ---- - - - - -- 4.0 --- --- -------- -- --- 5.9 - - - - -- -F ---- - ----- -- -- 4.0 5.9 -------------------- - - - --- - - -- --- 4.0 -------------------- - -- 5.9 c O Choice V: I: V: I: V: I: V: I: V: I: o Value Range 1 6 2.0 0,29 0.15 81 90 29 15 - ---- - - --- - - - - -- - -- - ----- --- ---- - --- --- -- --- - - - - -- - - -- -- - -- --- --- -- - -- - - - -- - - - - -- - -- W HIGH Index Range 60 - 7.9 - - - - -- - -- 6.0 7.9 6.0 7.9 6.0 9 ---------- - -- - -- 60 - -- _- - - - - -- 7.9 - -- x c Choice V: I: V: I: 03 Value Range •--------- - - - --- 2.1 --- ---------- 2.8 - -- - -- 0.14 - - - - - -- ------0.05 0.05 -- 14 - ---- ---- --- --- 5 --- -- - -- 91.0 --- ----- -- 119.0 - °---- ---- 14 ----------- 10 -- --- VERY HIGH Index Range •- -------- - - - --- 8.0 9.0 8.0 ------ --- 9.0 ---- - -- 8.0 ----- --------- 9.0 8.0 9.0 ----------------------------------------- 8.0 9.0 Choice V: --- I: V: I: -- - --- V: I: V: I: Value Range ---- ----- - - - - -- --- --------- >2.8 -- - - - -- --------- <0.05 ---- <5 ----- --------- >119 -------- <10 EXTREME Index Range •----- °--- - - - ------------ 10 - -- --- --- --------- - ----- 10 10 10 ----- °------- - - - --- - - - - -- --- --- - -- - -- 10 - -------- - - - --- --------------- 10 - - --- Choice V: I: V: I: V: I: ----- V: I: --------------- 1 V: I: - - --- V = value, I = index SUB -TOTAL (Sum one index from each column) 27.9 k Material Description: Bank Sketch Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL ADJUSTM Stratification Comments: Few stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr `i VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20 -29.9 30 -39.9 40-459 46 -50 Bank location description (check one) GRAND TOTAL 39.9 The BEHI was conducted at several locations on T2 -2 at representative bank features throughout. BEHI RATING1 High Bank Erodibility Hazard Rating Guide Stream: Jacob's Landing (T2 -2) Reach: 230 Linear Feet Date: 2/21/12 Crew: AH Very Hiah Rating It Material Description: ` Bank Sketch Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust Gravel (Add 5-10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: Few stratified layers were observed Stratification Add 5-10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5-9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 42.5 The BEHI was conducted at several locations on T2 -2 at representative bank features throughout. BEHI RATING1 Very High Bank Height (ft): Bank Height/ Root Depth/ Root Bank Angle Surface Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection% Value Range ----- -------- -- 1.0 -------------------------------------------------------------- 1.1 1.0 0.9 100 80 0.0 20.0 ------------------------------------------ 100 80 VERY LOW Index Range •-------- ------- 1.0 ------------- - ----1.9 - ------ 1.0 ------- - - 1.9 - - -- -- - 1.0 --------- -------- 1.9 1.0 1.9 ---- ------- --- ------ 1.0 --------------- 1.9 ---- Choice V: I: V: I: V: 1: V: I: V: I: Value Range 1.11 1.19 0.9 ------- 0.50 ------- 79---- - - - -55 21.0 60.0 79 - - - - - -- 55 - -- LOW Index Range 2.0 3.9 2.0 3.9 2.0 3.9 2.0 3.9 2.0 3.9 M a+ Choice V: I: V: 1: V: I: Range -- 1.2 1_5 - -- 0.5 0.30 --- 54 ---- - - - -30 61.0 80.0 54 - - - - - -- 30 - -- acct. O CL--------------------- MODERATE -Value - Index Range ------- 4.0 5.9 4.0 ------------- 5.9 - - - - -- 4.0 -------------------- 5.9 4.0 5.9 -------------- - - - - -- 4.0 ------------------- 5.9 c Choice V: I: V: I: V: 1: V: I: V: I: O OValue Range 1.6 0.15 29-- 81.0 90- 15 lL HIGH Index Range - ---- ---------- 6.0 ------------- - -- 7.9 - - -- -- - -0.29 6.0 - - - - -- -- 7.9 - -- - - - - -- 6.0 - - -- 7.9 -- --- 6.0 7.9 ------------- - - -29 - - - - - -- -- 6_0 - - - - - -- - -- 7.9- -- x Choice V: 1: V: I: V: I: c M In•------- Value Range -------- 2.1 ------ ------------- 2.8 0.14 ------------ 0.05 ----5 -- 14 --- -- -- -- --------- 5 91.0 119.0 ----°-- ---- ----- --- 14 ---------------- 10---- VERY HIGH Index Range •--------- - - -- -- 8.0 ---- --------------- 9.0 8.0 ---------- 9.0 --------- 8.0 ------- °----------- 9.0 8.0 9.0 °-- ---------- - - - - -- 8.0 --------------- 9.0 ---- Choice V: I: V: I: V: I: V: I: V: I: Value Range -----2fan - --------------- >2.8 --- --------- <0.05 ----- - -- -- -- - - - - -- <5- -------- - - - - -- >119 - - ------ - - - - - -- <10- --- - - -- EXTREME --- Index Range - -Index----- --- 10 -- - - - - -- 10 - -- -------------------- -- - - - - -- 10--- - - - - -- ----- - - - -10 -- - - - - -- - -- ------ Choice V: I: V: I: V: I: V: 1: V = value, I = index SUB -TOTAL (Sum one index from each column) 30.5 It Material Description: ` Bank Sketch Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust Gravel (Add 5-10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: Few stratified layers were observed Stratification Add 5-10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5-9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 42.5 The BEHI was conducted at several locations on T2 -2 at representative bank features throughout. BEHI RATING1 Very High Bank Erodibility Hazard Rating Guide Stream: Jacob's Landing (T2A) Reach: 85 Linear Feet Date: 2/21/12 Crew: AH Moderate Ratina k Material Description: Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr 5 VERY LOW LOW MODERATE HIGH Bank Height (ft) 5 -9.9 10 -19.9 20 -29.9 30 -39.9 Bank Height/ Root Depth/ Root 29.7 Bank Angle Surface Moderate Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection % Value Range ---- ------- - --- 1.0 ------ ------- 1.1 - - - --- 1.0 ------------------- 0.9 100 -- --------- --- 80 - - - - -- 0.0 20.0 ------ -------- - - - - -- 100 ---------------- 80 - - -- VERY LOW Index Range ----------- -- --- 1.0 1.9 ------- 1.0 1.9 1.0 --- 1.9 1.0 1.9 -- 1.0 1.9 Choice -------- ---- V: I: -- --- ---- ---------- V: I: -- ---- ------ V: I: -- --- ------ --- --- ------ V: L• --------------------- V: 85.0 L' 1.7 Value Range •--------- - - - --- 1.11 - °------ ---- 1.19 - - - --- --- 0.50 ---- -- - -- 79 55 --- 21.0 - --------- 60.0 79 55 LOW Index Range 2.0 3.9 ---0.9 - ------ 2.0 3.9 ----- ------ 2.0 -- ---- 19 - - - - - -- 2.0 3.9 ---- ^--------- 2.0 - - - -- 3.9 M w Choice V: I: V: I: V: I: V: 40.0 1: -! V: I: Value Range 1.2 1_5 0- 5 0_30 54---- 61,0 80.0 30 o a MODERATE Index Range .--------- - - - - -- --- ------- 4.0 ---- --------- -------- 5.9 - -- - -- ------- 4.0 ---- --------- ------- 5.9 --- ........ - - - 4.0 -------- -30 - -- 5.9 --- - -- -- 4 0 5 9 --- -- --------- - -- - -- - - - -54 - - - - - -- 4.0 -------^------------ - -- 5.9 C 0 Choice V: 1.2 I: 4.0 V: 0.50 I: 4.0 V: 40.0 I: 5.1i' V: I: V: I: o Value Range 1 6 2.0 029 0 5 15 81.0 0.0 29 15 -- --- --- ---- -- - - --- - - - - -- - -- --- --- ----- ------ -- - -- ----- - -- -- - ---- - - - - - - -- - -- HIGH Index Range 6.0 7.9 -------------------- -- -- --- 6- ^--- - - - - -- 7,9 7 9 6.0 . 9 ------------------------------------------ 7.9LU x c Choice V: I: V: I: V: I: V: I: V: I: ea m•--------- Value Range - - -- -- 2.1 ------ - ------------ 2.8 0.14 ------ --- ---- 0.05 - - - - -- 14 - ------ - -- --- 5 --- --- 91.0 119.0 ----------------------------------- 14 ... VERY HIGH Index Range •- ----- --------- 8.0 ------ ------- 9.0 - - - - -- -----8.0 -------- 9.0 - --- -- --- 8.0 °--- ------ .0 9 - - - - -- 8.0 9.0 ----------- ------- 8.0 9.0 Choice V: I: V: I: V: I: --- - - ---- V: I: ------- V: I: - - - - -- Value Range ------- -- - --- --tv: 12.8 - ------------ - - -- -- <0.05 ---------- -------------------- <5 ------- - -- 1119 -- ---------- <10 EXTREME Index Range °------- ° ----- 10 ------------- - - - - -- 10 ---------- --- - - ---- 10 --- --- ------- - - - - - -- -- - - - - -- 10 -- ------------ --------------------- 10 Choice I: V: I: V: I: - - - - -- V: 1: - - - --- -------------- V: I: V = value, I = index SUB -TOTAL (Sum one index from each column) 17.7 k Material Description: Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr 5 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20 -29.9 30 -39.9 40 -45.9 46 -50 Bank location description (check one) GRAND TOTAL 29.7 The BEHI was conducted on the entire T2A reach due to similar bank features throughout. BEHI RATING1 Moderate Bank Erodibility Hazard Rating Guide Stream: Jacob's Landing (T2A) Reach: 45 Linear Feet Date: 2/21/12 Crew: AH Hiah Ratina k Material Description: Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5-10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Slit Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: stratified layers were observed Stratification Add 5-10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr5 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5-9.9 10 -19.9 20 -29.9 30 -39.9 40.45.9 46 -50 Bank location description (check one) GRAND TOTAL 39.8 The BEHI was conducted on the entire T2A reach due to similar bank features throughout. BEHI RATING1 High Bank Height (ft): Bank Height/ Root Depth/ Root Bank Angle Surface Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection% Value Ran a •-----------9 -- 1.0 ----- ------ 1.1 --- ----- - - -1 A - - - - - -- 0.9 -- 100 --- - - - ------- -80 - -- - -- 0.0- 20.0 -- ----- - -- - -- 100- - - - - -- ------ 80 - -- VERY LOW Index Range •--------- - - - --- 1.0 ----------- 1.9 -------- 1.0 - ----- ------------- 1.9 1.0 --- °----------- 1.9 - - -- 1.0 1.9 --------------- ----- 1.0 1.9 Choice V: I: V: I: V: 1: V: I: - Value Range - 1.11 ------------------- 1.19 0.9 - ------ - - - -- 0_50 -- 79---- - - - ------ -55 - -- 21.0 60.0 ----- --------------- 79 - - - - - -- ------ 55 - -- LOW Index Range 2.0 3.9 2.0 3.9 2.0 3.9 2.0 3.9 2.0 3.9-- 20 w Choice V: I: V: I: V: I: V: I: w Value Range 1.2 -------------------------- 1.5 0.5 - -- - - - -- 0_30 -- 54---- - - - -30 --- 61.0 80.0 -------------------- 54 - - - - - -- ----- 30 - -- d MODERATE ----------- - --- Index Range --------- ------ 4.0 ----------- 5.9 -- -.9 4.0 - ---- -------- -- 5.9 - -- - -- - 4.0 - --°---- --------- 5.9 -- 4.0 5.9 --- -- -- ------- - -- - -- 4.0 ------------------- 5.9 c Choice V: I: V: I: V: I: V: I: V: I: O o Value Range 1.6 2.0 0.29 0.15 29 81.0 90.0 15 lL HIGH --------- - - ---- Index Range -- ------------- ----- -------- 6.0 --------- - - - - -- 7.9 ---- - - - --- ------------- 6.0 - - - - -- 7.9 ---- --- ----- - 6.0 -15 - -- 7.9 -------------------- 6.0 7.9 ------------------------------------------ - - -29 - - - - - -- 6.0 - -- 7.9 x Choice V: I: V: I: V: 1: c m Value Range _ •--- ----- -- °-- _ 2.1 ------------ 2.8 _ ----- _ 0.14 ------- 0.05 ----------- 14 ------ ---- --- 5 -- - - --- 91.0 119.0 -- --------- --------- 14 10 VERY HIGH HIGH Index Range ----- ---------- 8.0 ------------- 9.0 - - - - -- 8.0 --------- 9.0 ---------- 8.0 -------------------- 9.0 8.0 9.0 -------------------- 8.0 --------------- 9.0 - - - -- Choice V: 1: V: I: V: I: V: I: V: I: Value Range ------ --- ------ ------------------- >2.8 -------------- <0.05 - - - -- <5 ---- ------- ---- ----- >119 -------------------- <10 ---------------- --- EXTREME index Range 10 ------------ -- -- ------ 10--------- ---------�� --- ---- - - - - - - - -- Choice V: I: I: V = value, I = index SUB -TOTAL (Sum one index from each column) 27.8 k Material Description: Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5-10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Slit Clay (+ 0: no adjustment) BANK MATERIAL Stratification Comments: stratified layers were observed Stratification Add 5-10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr5 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5-9.9 10 -19.9 20 -29.9 30 -39.9 40.45.9 46 -50 Bank location description (check one) GRAND TOTAL 39.8 The BEHI was conducted on the entire T2A reach due to similar bank features throughout. BEHI RATING1 High Bank Erodibility Hazard Rating Guide Stream: Jacob's Landing (T2A) Reach: 125 Linear Feet Date: 2/21/12 Crew: AH Very Hiah Ratina k Material Description: Bank Sketch Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL ADJUST Stratification Comments: stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr1 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20 -29.9 30 -39.9 40-459 46 -50 Bank location description (check one) GRAND TOTAL 45.8 The BEHI was conducted on the entire T2A reach due to similar bank features throughout. BEHI RATING1 Very High Bank Height (ft): Bank Height/ Root Depth/ Root Bank Angle Surface Bankfull Height (ft): Bankfull Ht Bank Height Density % (Degrees) Protection % Value Range •-- ------ ---- - -- 1.0 ----- -------- L. - ----- 1.0 ------ ------- 0.9 ---- -- 100 -- ---- ------ --- 80 - - - -- 0.0 20.0 - --- ----- ----- - - - - -- 100 --------------- 80 - - - -- VERY LOW Index Range •- -------- - - -- -- 1.0 ----- -------- 1.9 --- - -- 1.0 -- ----------- 1.9 - -- - -- 1.0 - ------------- 1.9 - - - --- 1.0 1.9 --------------------- 1.0 --------------------- 1.9 Choice V: I: V: I: V: I: V: I: V: I: Value Range °------ -- --- - -- 1.11 --- ---------- 1.19 -- - - -- 0.9 ----------------------------------------- 0.50 79 55 21.0 60.0 ----- ------- -- - - - - -- 79 55 LOW Index Range 2.0 3.9 2.0 3.9 2.0 3.9 2 0 19 --------------------- 2 0 3.9 Choice V: I: V: I: V: I: V: 455.0 ,;I:, . _ 3.2 V: 65.0 I: 3.1 Value Range 1.2 1 -5 0 -5 0.30 54---- 61.0 80.0 54-- 30 IL MODERATE Index Range ----------------- - 4.0 --- ---------- - - - - -- - -- 5.9 - - -- -- -- 4.0 --- ---- -- 5.9 ------ - - -- -- - -- - - - 4.0 -- ------- ---- -30 5.9 - - - - - -- - - - -- -- 4.0 5.9 --------------------- ---- - - - - -- 4.0 -------------------- - -- 5.9 C O Choice I: V: I: V: I: V: I: V: I: Value Range .6 2.0 0.29 0.15 29 15 81.0 90.0 29 15o HIGH - Index Range -- Index -- --------------- r6.0 -- -- 79 - ---- - -- --- ---------- 6- -- -- --- --- - - - - -- -- -- --- -- - 6- - -- =- - -- - -- -- -- 7 =--- --------- ----- - - - - -- 7lL ------------ -- -- --------------------- --- -- - ----- -7.9 - -- x Choice I: V: I: V: I: V: I: V: I: Value Range .1 2.8 -- - --- 0.14 --- ---------- 0.05 - - - - -- 14 ---------- ---- 5 - - - - -- 91.0 119.0 ------------------------------------------ 14 10 VERY HIGH Index Range -------------------------------------- 8.0 9.0 8.0 9.0 8.0 9.0 8.0 9.0 ------------------------------------------ 8.0 9.0 Choice V: I: V: I: V: I: Value Range ---- ---- - -- ---- ---- ------ >2.8 --- --- - -- - -- --------- <0.05 - - - -- -- <5 --- ----- - - - - -- >119 -------------- <10 EXTREME Index Range •----- -- -- ------ 10 -- --- -------- 10 - - -- -- ------ 10 -------- ------- - - - - -- 10 --------------------- 10 Choice V: I: ----- V: I: -------------- - - - - -- V: I: --------------------- V: I: V = value, I = index SUB -TOTAL (Sum one index from each column) 33.8 k Material Description: Bank Sketch Mostly smaller gravel mixed with sand k Materials Bedrock (Bedrock banks have very low bank erosion potential) Boulders (Banks composed of boulders have low bank erosion potential) Cobble (Subtract 10 points. If sand /gravel matrix greater than 50% of bank material, then do not adjust) Gravel (Add 5 -10 points depending percentage of bank material that is composed of sand) Sand (Add 10 points) Silt Clay (+ 0: no adjustment) BANK MATERIAL ADJUST Stratification Comments: stratified layers were observed Stratification Add 5 -10 points depending on position of unstable layers in relation to bankfull stage STRATIFICATION ADJUSTMENTr1 VERY LOW LOW MODERATE HIGH VERY HIGH EXTREME 5 -9.9 10 -19.9 20 -29.9 30 -39.9 40-459 46 -50 Bank location description (check one) GRAND TOTAL 45.8 The BEHI was conducted on the entire T2A reach due to similar bank features throughout. BEHI RATING1 Very High NCDWQ Stream Forms - NC DWQ Stream Identification Form Version 4.11 Date: February 21, 2012 Project/Site: banding (T1 -1) Latitude: Evaluator: AH County: Rowan Longitude: Total Points: Stream Determination (circle one) Other Enochvil le Stream is at least intermittent Ephemeral Intermittent Perennial e.g. Quad Name: if ? 13 or perennial if ? 30' � 2 3 A. Geomorphology (Subtotal= -J�J,-'-D) Absent Weak Moderate Strong 1a. Continuity of channel bed and bank 0 1 2 [ 37 2. Sinuosity of channel along thalweg 0 1 2 3 3. In- channel structures ex. riffle -pool, step -pool, ripple-pool sequence 0 1 C2 i 3 4. Particle size of stream substrate 0 1 2 3 5. Active /relict floodplain 0 1 2 3!; 6. Depositional bars or benches 0 1 2 3 7. Recent alluvial deposits 0 �(1 > 2 3 8. Headcuts (0 ; 1 2 3 9. Grade control Oi 0,5 1 1.5 10. Natural valley 0 (0.5) 1 1.5 11. Second or greater order channel No = 0 Yes,= 3.,) ° artificial ditches are not rated; see discussions in manual B. Hydrology (Subtotal = , � ) 12. Presence of Baseflow 0 1 2 Y 3 13. Iron oxidizing bacteria % "0` 1 2 3 14. Leaf litter ;1.5_ 1 0.5 0 15. Sediment on plants or debris 0 s0.5. 1 1.5 16. Organic debris lines or piles 0 C 0.51, 1 1.5 17. Soil -based evidence of high water table? N (= 0 Yes = 3 C. Biology (Subtotal = 18. Fibrous roots in streambed `3 f . 2 1 0 19. Rooted upland plants in streambed 3) 2 1 0 20. Macrobenthos (note diversity and abundance) 0 1 "'z 2 3 21. Aquatic Mollusks ti0 } 1 2 3 22. Fish 0`': 0.5 1 1.5 23. Crayfish ;t)`' 0.5 1 1.5 24. Amphibians i3O 0.5 1 1.5 25. Algae 0 " 0.5 1 1.5 26. Wetland plants in streambed FACW = 0.75; OBI = 1.5 Other = 0 'perennial streams may also be identified using other methods. See p. 35 of manual. Notes: Sketch: NC DWO Stream Identification Form Version 4.11 Date: February 21, 2012 Prolect/Site: Landing (T1- 2) Latitude: Evaluator: AH County: Rowan Longitude: Total Points: Stream Determination (circle one) Other Enochville Stream is at least intermittent Ephemeral Intermittent Perennial e_g Quad Name: it Z 19 or perennial if 2 30` 2 3 .. Pk A. Geomorphology Subtotal = - Absent Weak Moderate Strong Continuity of channel bed and bank 0 1 2 3 _1a* 2. Sinuosity of channel along thalweg 0 1 2 3 3. In- channel structure: ex. riffle -pool, step -pool, n le- ool sequence 0 1 1 3 4. Particle size of stream substrate 0 1 2 3 5. Active /relict floodplain 0 1 2 3 6. Depositional bars or benches - 0 1 2 Op 7. Recent alluvial deposits 0 1 2 3 8. Headcuts 1 2 3 9 Grade control 0 0.5 1 1.5 10. Natural valley 0 05 1 1.5 11 Second or greater order channel No = 0 Yes E 3 "artificial ditches are not rated; see discussions in manual R. Hvdrnloav (Subtotal = 1 12 Presence of Baseflow 0 1 2 3 13. Iron oxidizing bacteria ON 1 2 3 14. Leaf litter 15 1 0.5 , 0 15. Sediment on plants or debris 0 0.5 1 1.5 Organic debris lines or piles 0 0.5 1 is .16. 17. Soil -based evidence of high water table? No 0 Yes = 3 C. Rioloav (Subtotal = 18. Fibrous roots in streambed 3 2 1 0 19 Rooted upland plants in streambed 11 3, 2 1 0 20 Macrobenthos (note diversity and abundance) 0 1 2 3 21 Aquatic Mollusks 1 2 3 22. Fish ( ,r 0.5 1 1.5 23. Crayfish 0 0.5 1 1.5 24 Amphibians O j 05 1 1.5 25 Algae 0-) 0.5 1 1.5 26. Wetland plants in streambed FACW = 0.75, OBL = 1 5 Other = 0 •perennial streams may also be identified using other methods. See p 35 of manual. Notes: Sketch' NC DWO Stream Identification Form Version 4.11 Date: February 21, 2012 Project/Site: Landing (T1A) Latitude: Evaluator: AH County: Rowan Longitude: Total Points: Stream Determination (circle one) Other Enochville Stream is at least intermittent if a 19 or Perennial if a 30' Ephemeral Intermittent Perennial e.g. Quad Name: A. Geomorphology (Subtotal= I '_1' ) ) Absent Weak Moderate Strong 1a Continuity of channel bed and bank 0 1 2 3 2_ Sinuosity of channel along thalweg 0 1 2 UD 3. In- channel structure: ex. riffle -pool, step -pool, ripple-pool sequence 0 12� 1 3 4. Particle size of stream substrate 0 1 2 1.5 5. Active /relict floodplain 0 1 2 3 ?. 6. Depositional bars or benches 0 1 2 3 7. Recent alluvial deposits 0 1 { 2` 3 8. Headcuts 0 1 2 3 9. Grade control 0 a0.5) 1 1.5 10. Natural valley 0 0.5 (1 1.5 11. Second or greater order channel No= 0 Yes T 3 1) artificiai ditches are not rated; see discussions in manual B. HOrolow (Subtotal= 12. Presence of Baseflow 0 1 2.3� 1 13. Iron oxidizing bacteria (0) 1 2 3 14. Leaf litter 0 1 0.5 0 15. Sediment on plants or debris 0 0.5 1 1.5 16. Organic debris lines or piles 0 1`0.51 1 1.5 17. Soil -based evidence of high water table? No(= 0 )) Yes = 3 C. Biology (Subtotal = 18. Fibrous roots in streambed 3' 2 1 0 19. Rooted upland plants in streambed (3° 2 1 0 20. Macrobenthos (note diversity and abundance) 0 1y 2 3 21. Aquatic Mollusks ; 0' ^. 1 2 3 22. Fish 0" 0.5 1 1.5 23. Crayfish " 0'` 0.5 1 1.5 24. Amphibians ,` 0" 0.5 1 1,5 25. Algae (0` 0.5 1 1.5 26. Wetland plants in streambed FACW = 0.75; OBL = 1.5 Other = 0 `perennial streams may also be identified using other methods. See p. 35 of manual. Notes: Sketch: NC DWO Stream Identification Form Version 4.11 Date: February 21, 2012 Project/Site: Landing (T1 -3) Latitude: Evaluator: AH County: Rowan Longitude: Total Points: Stream Determination (circle one) Other Enochville Stream is at least intermittent if k 19 or perennial if a 30' �-�.J Ephemeral Intermittent Perennial e.g. Quad Name: '-- A. Geomorphology (Subtotal = Absent Weak Moderate Strong 18, Continuity of channel bed and bank 0 1 2 3 2 Sinuosity of channel along thalweg 0 1 2 3 3 In- channel structure ex. riffle -pool, step -pool, ripple-pool sequence 0 ( 2 3 4 Particle size of stream substrate 0 1 2 L 3 5. Activelrelict floodplain 0 1 2 3' 6. Depositional bars or benches 0 1 2 3 7. Recent alluvial deposits 0 1 2 3 6. Headcuts 0 1 2 3 9. Grade control 0 h 0.5 1 1.5 10. Natural valley 0 ,0 5 )' 1 1 1 1.5 11. Second or greater order channel No = 0 Yes6z 3"-� ° artificial ditches are not rated; see discussions in manual B. Hvdroloav (Subtotal = 1 12 Presence of Baseflow 0 1 2 3' 13. Iron oxidizing bacteria 0 'a 1 2 3 14 Leaf titter (1.5; 1 0.5 0 15. Sediment on plants or debris 0 0.5 1 1.5 16. Organic debris lines or piles 1 0 1 0.5 1 1 1.5 17. Soil -based evidence of high water table? No;= 0'' Yes = 3 C. Bioloav (Subtotal = 18. Fibrous roots in streambed ! 3' . 2 1 0 19. Rooted upland plants In streambed 2 1 0 20 Macrobenthos (note diversity and abundance) 0 (+ 1 % 2 3 21. Aquatic Mollusks i- 0 1 2 3 22. Fish 0" 05 1 15 23. Crayfish 0.5 1 1.5 24. Amphibians; 0,:= 0.5 1 15 25. Algae s' p ; 0.5 1 1.5 26. Wetland plants in streambed FACW = 0.75; OBI = 1.5 Other = 0 'perennial streams may also be identified using other methods. See p. 35 of manual. Notes: Sketch: NC DWQ Stream Identification Form Version 4.11 Date: February 21, 2 012 Project/Site: Landing (T2-1) Latitude: Evaluator: AR County: Rowan Longitude: Total Points: Stream Determination (circle one) Other Enochville Stream is at least intermittent if z f9 or perennial if z 30" Ephemeral Intermittent Perennial e.g. Quad Name: A. Geomorphology Subtotal Absent Weak Moderate Strong 18 Continuity of channel bed and bank 0 1 2 3 2. Sinuosity of channel along thalweg 0 1 2 3 , 3. In- channel structure: ex. riffle -pool, step -pool, ri le- ool sequence 0 1 l \ ) 3 4. Particle size of stream substrate 0 1 1 1.5 5. Active /relict floodplain 0 1 2 (3� 6. Depositional bars or benches 0 1 2 , 3 7. Recent alluvial deposits 0 1 0.5 3 8. Headcuts ; 0 `;i 1 2 3 9. Grade control 0 ? 0.5 1 1.5 10. Natural valley 0 0.5 1 1.5 11. Second or greater order channel No = 0 Yes ,= 3 "artificial ditches are not rated; see discussions in manual B. Hvdroloov (Subtotal = � I e 12. Presence of Baseflow 0 1 2 6, 3N�, 13. Iron oxidizing bacteria 0';> 1 2 3 14. Leaf litter 1.51 1 0.5 0 15. Sediment on plants or debris 0 (0.5 1 1.5 -16. Organic debris lines or piles 0 ( 0.5 i) 1 1.5 17. Soil -based evidence of high water table? No = 0 Yes = 3 C. Rolm (Subtotal = 18. Fibrous roots in streambed i 3'Z. 2 1 0 19. Rooted upland plants in streambed 3;• 2 1 0 20. Macrobenthos (note diversity and abundance) 0 1�' 2 3 21. Aquatic Mollusks (_ 0 7 1 2 3 22. Fish 0�, 0.5 1 1.5 23. Crayfish (0` 0.5 1 1.5 24. Amphibians t� 0 ; 0.5 1 1.5 25. Algae ; 0 05 1 15 26. Wetland plants in streambed . FACW = 0 75; OBL = 1.5 Other = 0 "perennial streams may also be identified using other methods. See p. 35 of manual. Notes: Sketch: NC DWn Stream Identification Form Version 4.11 Dam: February 21, 2012 Projecvsite: Landing ( T2 - 2) Latitude: Evaluator. AH County: Rowan Longitude: Total Points: Stream Determination (circle one) Other Enochville Stream is at least intermittent Ephemeral Intermittent Perennial e.g Quad Name: if z 19 or perennial if a 30' 2 3 A. Geomci holo Subtotal = 6 .-� Absent Weak Moderate Strong 18 Continuity of channel bed and bank 0 1 2 3 2. Sinuosity of channel along thalweg 0 1 2 3 3. In- channel structure: ex. riffle -pool, step -pool, n le- ool sequence 0 1 `2 3 4. Particle size of stream substrate 0 1 2 1.5 5. Activelrelict floodplain 0 1 2 3 6. Depositional bars or benches 0 1 2 3 7. Recent alluvial deposits 0 1 2 3 8. Headcuts 0 1 2 3 9. Grade control 0 0.5 1 1.5 110. Natural valley 0 Co 1 1.5 11 Second or greater order channel No = 0 Yes = 3 "artificial ditches are not rated; see discussions in manual B_ Hvdroloav (Subtotal = tA. ) 12 Presence of Baseflow 0 i 2 1 13 Iron oxidizing bacteria 00" 1 2 3 14. Leaf litter 1.5 20. Macrobenthos (note diversity and abundance) 0.5 0 15. Sediment on plants or debris 0 0.5 1 1.5 16. Organic debris lines or piles ( -0 05 1 1.5 17. Soil -based evidence of high water table? _. No = 0� Yes = 3 r Rinlnnv (Suhtntal = 18. Fibrous roots in streambed 3 ,. 2 1 0 19. Rooted upland plants in streambed 3 2 1 0 20. Macrobenthos (note diversity and abundance) 0 7( 1 2 3 21 Aquatic Mollusks r'0�> 1 2 3 22. Fish 0 0.5 1 1.5 23 Crayfish 0 0.5 1 1.5 24. Amphibians 0 05 1 1.5 25. Algae /0 0.5 1 1.5 26 Wetland plants in streambed FACW = 0.75, OBL = 1.5 Other = 0 `perennial streams may also be identified using other methods. See p. 35 of manual. Notes, Sketch: NC DWO Stream Identification Form Version 4.11 Date: February 21 , 2 012 Project/Site: Landing (`I'2A) Latitude: Evaluator: AH County: Rowan Longitude: Total Points: Stream Determination (circle one) Other Fnochvi 11 e Stream is at least intermittent'} ?':;:s " Ephemeral Intermittent Perennial e.g. Quad Name: if >_ 19 or perennial if? 30" 2`y 3 A. Geomorphology (Subtotal = ) Absent Weak Moderate Strong 1 a. Continuity of channel bed and bank 0 1 2 3 2. Sinuosity of channel along thalweg 0 1 2`y 3 3. In- channel structure: ex riffle -pool, step -pool, ripple-pool sequence 0 t j "? �.. . 2 3 4. Particle size of stream substrate 0 1 2 3 °; 5. Ac tive /relict floodplain 0 1 2 '`. 3 6. Depositional bars or benches 0 1 (2 3 7. Recent alluvial deposits 0 1 " 2 3 8. Headcuts 0 1 2 3 9. Grade control 1 0.5 1 1.5 10. Natural valley 0 0.5 1'' ±. 1.5 11. Second or greater order channel No = 0 Yes.= 3), artificial ditches are not rated; see discussions in manual B. Hvdrolociv (Subtotal = ) 12. Presence of Baseflow 0 1 2 % 3� 13. Iron oxidizing bacteria 19. Rooted upland plants in streambed 1 2 3 14. Leaf litter 1.5`;, 1 0.5 0 15. Sediment on plants or debris 0 0,5';; 1 1.5 16. Organic debris lines or piles 0 0.5.' 1 1.5 17. Soil -based evidence of high water table? No 0• Yes = 3 C. Biolocty (Subtotal 18. Fibrous roots in streambed 3 2 1 0 19. Rooted upland plants in streambed ; 3 2 1 0 20. Macrobenthos (note diversity and abundance) l d'' 1 2 3 21. Aquatic Mollusks 0" 1 2 3 22. Fish , 0.5 1 1.5 23. Crayfish 0.5 1 1.5 24. Amphibians `,0 „` 0.5 1 1.5 25. Algae f; 0' ,, 0.5 1 1.5 26. Wetland plants in streambed FACW = 0.75; OBL = 1.5 Other = 0 'perennial streams may also be identified using other methods. See p. 35 of manual. Notes: Sketch: Reference Reach Data UT to Fisher River Reference Site N �ooO�Ma dO' O�^ 0 co a` N C� O c L _ o c 1 ; 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 t 1 / 1 1 1 1 1 1 1 1 1 1 / 1 1 1 ; 1 1 1 1 1 1 1 1 1 1 I I 1 1 I 1 I I m LL 1 1 1 1 1 1 I Q o r C I -c i�il I cl N ? L d Ar r�i FY � uw1 l O� L�� c R R m L � 0 00 a O .a R d R v) rn rn O cc fcooaoaww��3wa$in� y c? C LL O C (aaa }) uogenal3 cc F- }7i(OfD� C O n N 7 M N ri O� 17, 5 n N t` N N B O O O+ Off+ P U a, C, C, 0, O+ S O'o O ut N Vl D\ V O ON O N N O H p N N N N H1 'IT 'It In V1 V1 V1 V1 � N •- a l0 m L m `1 - 00000000 0 0 0 0 0 1- h O mCa Oei Vi noo oc OW N •f �O t�oc oc O+N N �ooO�Ma dO' O�^ a` N C� O c L _ o c 1 ; 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 t 1 / 1 1 1 1 1 1 1 1 1 1 / 1 1 1 ; 1 1 1 1 1 1 1 1 1 1 I I 1 1 I 1 I I m LL 1 1 1 1 1 1 I Q o l O� L�� t R R O fcooaoaww��3wa$in� a` c _ o c 1 ; 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 t 1 / 1 1 1 1 1 1 1 1 1 1 / 1 1 1 ; 1 1 1 1 1 1 1 1 1 1 I I 1 1 I 1 I I m LL 1 1 1 1 1 1 I o° °mod .. 01 61 W f W G N ID lD d C N fl! O C 3 C 0 0 0 Oo O O IN C p 7 m O L7, kC� CRcj �d Elevation (feet) cn $ s co co 0 0 m m C) cn O U1 1 1 pr 1 < 1 1 1 1 1 1 m a 1 , 0 O ' 1 A 1 h cn 1 �7 CD ' T i 1 < e Oo Oo -- N to 00 U �O 00 A �! A Oo N 0o -- 1 1 1 1 m . T1 W • ~` O CL � C � O 7 CD y m m O W O a; O C N O O C C C 0 0 0 Oo O O O C p 7 < a Oo Oo -- N to 00 U �O 00 A �! A Oo N 0o m m o y m m O < a m m o y m m � C vi N O N vox ■■ 4 99¥§2E9§ m0) ,I ■« 0Fd T. §¢3- # %/k k a k( § » �\ /k§§k§jOtj , LA§\ E c� 00 aa$$$$$$ %/7$ \■ ■ ■4 PC C, ¥00 w w w 00 4 3- 00 \ P+ °§ \t �■■ E��. Am� 225 . §S p} § m @ 2 \ / o . _ / . � | a . 7 . . @ / ¥ . q { . a \J E � _a ¥\ §�E> \ \ x © § _ CD 7 -n $ :¥ 0 _ 99 % B - � § ��$ c� §A ■ ■4 �■■ §Q() { { \J � _a ¥\ §�E> C O W M 00 ,n 'D O� ,n �Opi M 7 Vl oo N �O W L C �rnoo�,- O .-o'o� 1/1 Q O O •> c M � t 1 t t 1 1 O � 7 a E c °000�no,n00000v�000 cx O � � N C1 � zwU`3 a orb OC O, g Es:�� L d N N � � N� W ww,.o.d40G7a � O K� F F" co fcowraww��3wcavA C .y 01 Qa GO 00 0 Y "0 Qi Q Q ° °o o r o rn r rn N Lo U c °o c Oi9as) uogenal3 O N 6 H M O } D k O CO ND E c d mt c to U L A C 'O r �3koci� C O W 00 N 00 ,n 'D O� ,n �Opi M 7 Vl oo N �O W L C �rnoo�,- O .-o'o� 1/1 Q O O •> c M � t 1 t t 1 1 O � 7 a c °000�no,n00000v�000 zwU`3 a orb OC O, g Es:�� N N � � ww,.o.d40G7a K� fcowraww��3wcavA C O W 00 N 00 ,n 'D O� ,n �Opi M 7 Vl oo N �O � N C �rnoo�,- O .-o'o� 1/1 a B c M � t 1 t t 1 1 a c °000�no,n00000v�000 OC O, O, N N � 10 N Q C O a B c m LL t t t t t 1 1 1 1 1 1 1 1 t 1 1 1 t 1 1 1 1 1 t 1 1 1 1 1 t 1 t 1 t 1 1 1 1 1 t 1 t 1 1 1 1 i 1 1 t 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 t t 1 t t 1 1 number of particles o v 7 o N Vl O O O 0 a V CT o O V U_ O o � L cn s E Y U � v I ♦T r b O O I � L U � 0 o CV y � 7 0 U L � U + o z o o _ — T ❑. U vt o 0 U O Z O 0 O 0 0 0 0 0 0 0 0 0 0 >> = O O CD O O O O O O O O p � f llYlt'1 Ad1lJ IUJJJaCI C c U .D � ,D b C M ti M. CZ O J p� J `D M N �� N Wn 7 O 00 N 00 7 10 O, N vl `� N 7 O U_ J U 04 r I O 00 �O vi N .p N rq NO 00 �= G C7 O N ^� 7) Cd T N L L L .. L L L L L O O O O O O 7 •O ca a� a� a� v b0 04 a4 CD bD o0 oD O O v v v U O O O O O O U C C 'y U fU U E E U V] 0 0 0 0 7 L y v 0 0 b CCU U U v v v — :D .�•, > L O QJ C C T > L L L N L > O O > y L L J > number of particles O H L 'm o � 0p 3 U CSC• C CL U � O 00 A O M L N = p IC E gi U L Q > C U Cs 0 > Z U L1 M N O N C L Cn O 2 O O 0 o e o o a o 0 0 0 0 T uvN1 aau��ua�aad O y a"i O o O E U O � cNd cad cNO "' O O O N P en U O O C O N p .M. N O^ N 00 v1 �O ^ 00 0 � 0 0 U U N 7 U � by U_ ��• C rq M N 000 ��^ O O N N M N_ cOO cOC cd cOd � > > > > > > > > > .� CC >> � N N N O cd O O ca O O ai cd L L L L L L L L L � � ,p � � � 7 � 7 O !1 O U � �_+ 7Lj � ��•N•+ C C vUi fU/1 bA bD b[i bD b�+A b0 b[i bA ::Ii O O O O U U U U O O O O O ^d {may N Cc C��.• �1••' C-. C� GC G % C. E l: G � � � "d �, � o o O '� L i iNi ice. w c,: 4, ;� ca ca cc ca CC bD E •� i CL � N `° `° en T +�•' � C b 0 0 0 0^ cLd � L E E o U£ ? > > > d > d a > v — Q °o number of particles 0 0 x .2 O — y O N • H �} y b z o 00 O o 'fn pOjp 3 0 °_ e R •'� ri � o 3 E U O O 00 O 0 O d 0 00 > o 000 } N M O C.' 00 N >zo U a�C4 0 z s 0 o a e op e o e o e e O a W On 7 Xm N O O C uzWj- ufluavad C b b 0 is o O-- O U Ov 7 O N 0 .M. h 0^ N �p O ,:. N rq M I as 00 N O O �O N N M vi 0 00 N O 0 0 0 ; U N CG O C N .. N a 00 N M N o00 vii \0 IN v� O O a y 0 0 0 0 N M N O v y > > > > > > > > > .o c •o 7o v o 0 o cL v _ a a a a O a 0 0 O 3 N N C4 N N bU CD bD to bD ba w 00 D U v O i� i1 i� Vl y y 0 0 0 v, `° 00 � > c� > 6 E E a� L L R E <v �,������ eo�hen��n � ��cm�o� nm�o <v <��h��h ��nn �mmm� �.: III i.. ',�',. '., �, - ',. �`�I« �mmmm. T�. �'-.- ���.- �.- ����.- �.- �NHC.nrvNC,NNnn NnNNN '� ', a�� UT to Irish Buffalo Creek Reference Site �vvxg�, A m O O O ONO QN A W O J Q� n m �O w A ­3 ^- O VA W A IJ Ln W 0o w J N A a� 1 A xJVd.ti�ye m A 0W 0 0pA 0 W A OA 00 00 00 00 000 O00 OO O O O 0 0 D O O O O OW 0 J N N e e � wC viLh o0000o0010 WU WV WOD N oN o..o- vOO (0N 70 , M JU O - Oo J O N J �° O+ O, 10 A 00 O O, �- U Oo 00 L7 =_may >t x � ° � Elevation (feet) ° _ c 0 0 o 0 0 p ITI � 0 to e H 1 1 1 1 1 1 m � m 1 1 1 1 1 1 o y m 1 1 1 O A� O 1 1 1 1 1 1 1 1 I 1 1 1 1 1 1 c 1 1 C 1 1 1 1 1 1 c 1 1 1 I � 1 1 o 1 1 d pr 0 1 s - 1 1 1 1 1 1 1 1 1 ' 1 1 1 I _ 1 1 1 1 1 1 1 j p 1 ' I 1 5QI1 3 B I A m O O xJVd.ti�ye e e � =.gym =_may ° � e A o m m o y m O A� O m N 00 ■ OC 00 O O O O 0 m 0 0 N � O O N O w 0 0 W U O Elevation (ft) 00 00 00 w N W I� r� W C O 'A �Q O o � b � A �D �D iU A Cr ,y ■ ♦ ■ ■ d cr I� r� W C O 'A �Q O o � b � A �D �D iU A Cr ,y UT to Irish Buffalo Creek Reference Stream Photos Looking downstream on reference reach. 2 -17 -2012 Looking downstream on reference reach. 2 -17 -2012 Looking downstream on reference reach. 2 -17 -2012 Morphological Design Criteria c .a •a 0 c s 0 0 e d o o Oo N 0 O a N ? J O O ° V1 VN 1 q a 0 OD O f0 1ND 7 t•t T W O �O N C r�1 O� O O n O 6 a L F ° ^ N .. ^ N N ry n 0 0 C! 00 0. 0 o dN< O p p DD h M p 0 pO 0 n v1 a U° O T N N O N O m T— N N e�i M d N N .-- OD T O F N N N 0 0 O t°•1 a a p o d o O O` a oo a 1n o — r _ 7 J° N^ o fo •_ a o ^ a N^ N =^ a en ^ a ry^ o 0o M M a N^ o 0 g N N= 00 O 1p O F N �N,j po P N N N O O O p a` x a oCp 9 N O •Y t M O N° V1 M d' O 00 G? V1 n N 7 t'n o0 00 O— N y1 M N N M N u O p• `` V W C) N N N N N N a O n N N O• N f0 0 0 O O O O 7 c iC o O g O p `D .r. O O .-• N O F J � O .. N N N N •.. ry a 7� N N N N l� O O � O a O� .� N b 0. a o 6 � L• O w�/ « ¢ T 7 7 'o N h 00 � f0 � O O r M b 0 V M W z Ci b r f0 ... N M ... — N# `O • r• M ry M N 7 O N O O^ O N 10 1D N M •- FYi Y•+ G O S M r Q• G .� N V ••��-- C M (V O — �• N � •• O1 •-^ � p O fJ � •-^ � r�1 v O r O �+ O ^ • �'• s c M d. r� r' a r%, a .n o ° O ° G � a w•" SOj O N M a O O bD C Fy y W N 00 N R o0 p M M O N O 00 N N M— N N ref ,M., M �O tai O 00 -- r W O O aG O OC N N N r w O\ T C N N r y O O M O O M V O # •� M O `D •� p O 00 0 ^ N T ^ N• N V 00 O O ° q .• .� (r V p n h (J N M 1� a CO Ci r O O fV ? N L n O 00 N 00 n fV v1 IV 00 O N N fV O q N(j Y p N 0 4 �D Y N O N O O O O G M •-" F y C � A^ v1 M � r 1� V1 f0 to h � O� D\ V1 n N 7 M '6 M `� f+i N n N 0 0 g O G � O O O N N N M n Pi J1 W � o t p C m > o 000 , 3 d k � uii v 3� g Y m� v F v o Q S y o o o 0 0 ai c v > o °c°. o CL. Ec T CO � ailao2aa s� m�m��m i� >¢ spa CL. CL. u0.1suawiQ udalJdd a/ toad y S S S 9 c Variables Existing Existing Ref. Reach UTFR Proposed Proposed T1A 72A TIA 72A Rosgen Stream Type E4 G4 B4c B4c/C4 B4c /C4 Mitigation Type Enh 1 Enh II N/A Enh I Enh 11 Drainage Area (m12) 021 006 04 021 006 Bankfull Width (Wbkf) (ft) 77 66 9 0 -10 0 85 65 Bankfull Mean Depth (dw) (ft) 08 05 1 1-12 07 05 Bankfull Cross - Sectional area (Abkf) (ftZ) 64 34 10 4 -10 7 62 35 Width/depth Ratio (Wbadbkf) 93 128 SO-100 12 0 120 Maximum Depth (dmbkf) (ft) 12 1 1 1 3 -1 5 12 09 Width of flood prone area (W f ,) (ft) 15 11 13 -21 19 14 Entrenchment Ratio (ER) 19 17 1 3 -2 3 22 22 Sinuosity (stream length/valley length) (K) 210 1 16 120 1 H 1 13 Pool Depth (ft) - - 1 2 -1 4 12 10 Riffle Depth (ft) 08 05 1 1-12 07 05 Max Pool Depth (ft) - - 2 1-24 24 20 Pool Width (ft) - - 8 4 -11 6 112 86 Riffle Width (ft) 77 66 9 0 -9 9 85 65 e Pool XS Area (sf) - - 11 6 -13 4 135 86 Riffle XS Area (so 64 34 10 4 -10 7 62 35 E Pool depth/mean riffle depth - 1 0 -1 3 1 7 20 Pool width/riffle width 0 8 -1 3 1 3 13 Pool area/riffle area 1 1-13 22 25 Max pool depth/dbu - - 1 9 -2 0 34 40 Bank Height Ratio (BHR) 22 63 10 10 10 Mean Bankfull Velocity (V) (fps) 48 33 4145 4 4 33 Bankfull Discharge (Q) (cfs) 305 11 42-46 271 115 Meander length (L,) (ft) 25 -50 50 -63 93 -136 50 -55 50 -63 Radius of curvature (R,) (ft) 8 -24 10 -12 1342 10 -25 10 -25 Belt width (Wbb) (ft) 20 -75 8 -15 45 19 -24 8 -15 a Meander width ratio (Wbit/Wbkf) 2 6 -9 7 1 2 -2 3 4 5-50 2 2 -2 8 1 2 -2 3 Radius of curvature/bankfull width 1 0 -3 1 1 5 -1 8 1 3-4 4 1 2 -2 9 1 5 -3 8 Meander length/bankfull width 3,2-65 7 6 -9 5 9 0 -15 0 5 9 -6 5 7 7 -9 7 Valley slope 0 012 0 035 0 016 002 0 039 Average water surface slope 0 023 0 019 0 013 0 017 0 014 Riffle slope 0 013 -0 019 0 010 -0 017 0 013 -0 028 0 010 -0 012' 0 010 -0 0012 Pool slope - - 0-00010 0 001 -0 008 0 000 -0 001 Pool to pool spacing 30 -59 22 -34 2242 4 Pool length 3 -25 7 -14 4 -15 Riffle slope /avg water surface slope 0 7 -1 0 0 6 -1 0 1 00 -2 20 0 6 -0 7 0 7 -0 9 Pool slope/avg water surface slope - - 0 0 1-05 0 0 -0 1 Pool length/bankfull width 0 3 -2 5 0 8 -1 6 06-23 Pool to pool spacmg/bankfull width 3 3 -6 0 2 6-4 0 3 4 -6 5 - T I A and T2A are mostly composed of riffles and runs, therefore no pool data was shown Appendix D Project Plan Sheets �� � � �Sf! •b's _ t® abpa Mvs IL 9 N o a A 4 F N 32 NC GRID Lug u� NAD 'B3 ' v ' a 199 N \\ j wn Our 10 C) V ° ILI \\ \ 'S ,w �w • U Q �U= Z . \ W Iii 1 oW @ V SW \\ U O N \\ �1 \ U \ r� O W LL LL IL \ WWa Lug O \ mR'H mwH // W ui Z � � J o i) Z Z Z O p z z O = _ co N o W Z Z N G<SQL <SQW <SQW Vj CIO ar� a O O p (05 t2 0� O O ti 0 y d a a y U Sac o �`a o o L o LL N ppC N aVOa MVS 0 o — SL90IIOZ #SO! 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