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HomeMy WebLinkAbout20201654 Ver 1_Response to FWS Comments_20210716 _n Staff Review Form NORFH CA.,i0:INA En vironmenfrr!QvoGry Updated September 4,2020 Staff Review Does this application have all the attachments needed to accept it into the review process?* 6* Yes r No ID#* Version* 1 2020-1654 Is this project a public transportation project?* C Yes r No Reviewer List:* Andrew Moore:eads\awmoore3 Select Reviewing Office:* Asheville Regional Office-(828)296-4500 Does this project require a request for payment to be sent?* r Yes No Project Submittal Form * Please note:fields marked with a red asterisk below are required. You will not be able to submit the form until all mandatory questions are answered. Project Type:* r For the Record Only(Courtesy Copy) r New Project r Modification/New Project with Existing ID r More Information Response r Other Agency Comments r Pre-Application Submittal r Re-Issuance\Renewal Request r Stream or Buffer Appeal Is this supplemental information that needs to be sent to the Corps?* ✓ Yes 6* No Please choose the commenting agency.* ✓ DCM Comments r DCM Permit ✓ DFM Comments r USFWS Comments ✓ WRC Comments r Other WRC and FWS commnets Project Contact Information Name: R. Clement Riddle Who is submitting the inforrration? Email Address: clement@cwenv.com Project Information Existing ID#: Existing Version: 2020-1654 1 20170001(no dashes) 1 Project Name: Mulberry Gap Farms, LLC Is this a public transportation project? ✓ Yes No Is the project located within a NC DCM Area of Environmental Concern (AEC)? ✓ Yes r No r Unknown County(ies) Madison Please upload all files that need to be submited. Cick the upload button or drag and drop files here to attach docurrent Response to FWS comments 7.16.21.pdf 61.01MB Response to NCWRC Comments 7.16.21.pdf 57.61 MB Only pdf or krre files are accepted. Describe the attachments or comments: DWR requested copies of Applicant responses to other agencies(FWS and WRC) Sign and Submit ....................................................................................................................................................................................................................................................................................................................................................................................................... fJ By checking the box and signing box below, I certify that: • I,the project proponent, hereby certifies that all information contained herein is true,accurate, and complete to the best of my knowledge and belief. • I,the project proponent, hereby requests that the certifying authority review and take action on this CWA 401 certification request within the applicable reasonable period of time. • I agree that submission of this online form is a"transaction"subject to Chapter 66,Article 40 of the NC General Statutes(the"Uniform Electronic Transactions Act"); • I agree to conduct this transaction by electronic means pursuant to Chapter 66,Article 40 of the NC General Statutes(the"Uniform Electronic Transactions Act"); • I understand that an electronic signature has the same legal effect and can be enforced in the same way as a written signature;AND • I intend to electronically sign and submit the online form. Signature: GL712IPPLX Submittal Date: Is filled in autorretically. DocuSign Envelope ID:86BF932F-11A8-466A-A616-2283B8A93597 CLearWaber ClearWater Environmental Consultants,Inc. www.cwenv.com July 16, 2021 Ms. Brandee Boggs U.S. Army Corps of Engineers Asheville Regulatory Field Office 151 Patton Avenue, Room 208 Asheville,North Carolina 28801-5006 RE: Mulberry Farm Response to USFWS Agency Comments Madison County,North Carolina Action ID SAW-2020-00632; DWQ Project#2020-1654 Dear Ms. Boggs, Please reference the letter dated April 1, 2021 (Attachment A) sent by the US Fish and Wildlife Service (USFWS) in response to the permit application submitted by ClearWater Environmental Consultants, Inc. (CEC), on Mulberry Farm-Madison, LLC (Applicant) represented by Mr. Richard Kelly. The permit application requested written authorization for impacts associated with the ecosystem enhancement using beaver dam analogs and associated infrastructure. The comments provided by the USFWS are listed and discussed below. In response to these concerns, the Applicant has engaged a further review of the planning for the development with its various consultants to determine what, if any,further modifications might be undertaken to enlarge the avoidance envelope or further minimize impacts to wetland/stream resources. Based on that review and our desire to be as responsive as possible to the regulatory concerns for permitting this project, the Applicant proposes the following adjustments: • The Applicant has reduced stream and wetland impacts for the entrance road by acquiring an additional 2.5-acre tract and relocating the entrance road on U.S.Highway 25. This additional tract allowed the applicant to eliminate proposed impact S1 (10 linear feet of stream) and proposed impacts W2, W3, and W4 (0.026 acre of wetland). The additional property has an existing stream culvert that will be used for the entrance road crossing. A revised impact plan Figure 5A(Attachment B)reflects these changes. The additional tract was delineated on April 29, 2021. A copy of the delineation map is included as Attachment C. This delineation is being sent to the Corps of Engineers with request for preliminary jurisdictional determination with the upcoming response to Corps comments. 145 7th Avenue West,Suite B Hendersonville,NC 28792 828-698-9800 Tel DocuSign Envelope ID:86BF932F-11A8-466A-A616-2283B8A93597 Ms.Brandee Boggs July 16,2021 Page 2 of 9 • The proposed culvert identified as Stream Impact S1 (Figure 5) has been modified based on further design and NC DOT requirements. The cul-de-sac is on a DOT road and any improvements must meet DOT standards. The new additional impact length associated with the culvert replacement is 41 lf. This change is reflected on Figure 5.0. A cross-section detail by Mercer Design is also included in Attachment B. FWS Comment #1 — Federally Protected Species — "The information provided in Attachment D of the Pre-Construction Notification characterizes habitats and species that may occupy the site. However, the information provided lacks an effects analysis for each federally protected species known from Madison County, North Carolina that may occur in the project's action area. " Based on the information provided, the Applicant's findings as they relate to federally protected species are not definitive at this time. Please be aware that when information provided is incomplete, imprecise, or contradictory, we must err on the side of caution for the federally protected species. We reiterate our request for a comprehensive biological evaluation that supports a prudent effect determination for this species. The applicant contracted with Skybax Ecological Services to evaluate the site for potential effects to the Gray Bat. A copy of their report and determination that the project is "not likely to effect" the Gray bat is included in Attachment D. We encourage the Applicant to consider the following measures in the interest of avoiding and/or minimizing impacts to this animal: • Limit the extent of riparian tree clearing to what is unavoidable and necessary for the expressed purpose of the project. Tree clearing for the site has been minimized to the greatest extent possible. The entrance road across the Hopewell Tract utilizes approx. 3,000 lf. of existing driveway to minimize clearing additional trees. Upon crossing Hopewell Branch with a single, elevated bridge crossing, the 2,250 lf. of remaining road alignment on this tract keeps the riparian tree clearing to approximately 0.068 acres while intentionally avoiding sensitive riparian habitat further to the south as it traverses over the ridge onto the main campus. Near the retreat center core and along any riparian corridors, only invasive privet, multiflora rose, and other exotic invasive species are slated for removal with a robust ecological forest restoration program indicated along these corridors. • Accomplish any necessary tree clearing activities outside gray bat active season (March 15 —November 15). On the Upper Thomas Branch tract, the alignments for the retreat center roads intentionally follow previously established gravel farm roads to the greatest extent possible especially near any riparian areas. New structures are located in open pastureland areas as much as possible. Any select areas for additional tree clearing will only be as required for safe emergency vehicle access and passage. DocuSign Envelope ID:86BF932F-11A8-466A-A616-2283B8A93597 Ms.Brandee Boggs July 16,2021 Page 3 of 9 • Confine construction and operation activities on or adjacent to streams to a single side of the channel to minimize loss offorage and commuting habitat for gray bat. The overall intent with the project is one of careful forest canopy preservation, enhancement, and expansion. Every cabin and all proposed structures have been carefully field located and surveyed to minimize impacts to trees — especially in and around riparian areas. Wherever possible, only one or two small trees will be cleared for the footprint of the small cabin accommodations. Tree removal in all areas of the project will be carefully directed by the Landscape Architect,Architect, and ownership and only upon flagging trees for removal will they be allowed to be removed. Ownership has also requested that the team track each tree for removal such that the overall project and forest management strategy includes planting at least one tree for each species removed. • Mark, delineate, and protect riparian vegetation within designated "tree-save" areas that may provide forage and commuting habitat for gray bat. See attached"Riparian Buffer Plan"with designated tree-save areas as well as those areas within the riparian buffers that will have additional clearing Attachment E. Please note that this exhibit indicates a total of 36.66 acres of riparian buffer areas at a total typical width of 80' (35' from top of bank) on the overall 456.66-acre site. Clearing in riparian buffer areas that will subsequently also include replanting/restoration after construction are indicated and total approximately 0.78 acres. Buffer areas for protection are indicated in blue and total 22.99 acres. Areas that will be planted for stream buffers and restoration are indicated in green and total approximately 0.78 acres. •Replant disturbed areas with native vegetation that may provide forage and commuting habitat for gray bat. Clearing of tees within riparian areas on site is limited to one stream crossing on the approach road(discussed above). Streams banks and riparian areas around the proposed retreat center have historically been maintained and mowed to the edges for agricultural practices. The project proposes extensive planting with the proposed wetland areas of the BDA's as well as around the riparian zones of the BDA's. Please see Attachment F for the planting plans. Newly planted riparian zones total approximately 890 linear feet and 0.78 acres. The site is design to have more woody vegetation within riparian zones than before the project started. In addition, the applicant has already begun an extensive removal of exotic and invasive plants throughout the property. • Limit any proposed night work to what is necessary for the expressed purpose of the project and to maintain safety in active work areas. No outdoor night construction work will be done on this project. DocuSign Envelope ID:86BF932F-11A8-466A-A616-2283B8A93597 Ms.Brandee Boggs July 16,2021 Page 4 of 9 • Orient temporary and permanent lighting away from riparian and upland habitats that may be used for forage and commuting during the gray bat active season The majority of site lighting will be on a timer to be sensitive to dark skies and surrounding habitat and advocating for full cut off fixtures throughout. Ownership is exploring moon lights in trees and possible lighting of boulder outcroppings along the arrival road. This will be very select and limited and will only stay on around dusk and not to exceed 10pm in any case.The only area of lighting that may be on longer than 10 PM is admin/back of house where lighting is needed to support employees/deliveries while guests are in their cabins for the night. •Limit the number of fixtures, hours of illumination, and light intensity to the lowest levels necessary to maintain human health and safety. Site lighting has been programmed to be minimal and guest will use flashlights to navigate around the property around dusk and before 10 PM when they are required to be in their cabins. Site lighting mockups revealed that spacing between fixtures can be increased and thereby, the total number of fixtures will be decreased from our current schematic plans. A general rule of thumb for choosing fixtures is that all luminaires must be pointed towards the ground plane and to eliminate any light entering the sky. An example of this would be the decision to use tree moonlights instead of tree up-lights. • Use warmer colored lighting(Correlated Color Temperature <3,000K). The site wide goal is to use lighting that is warm in color with all fixture selections at 3000K or less. This is an aesthetic decision that is also valuable to the surrounding ecology. •Avoid the use of metal halide or mercury light fixtures. For energy saving purposes, majority of fixtures will have LED lighting. • Use light fixtures that minimize light trespass/light spillage (BUG rating of 1-0-1 or less). All fixtures selected will minimize spillage and are used only where absolutely necessary. Bug (backlight, Uplight, Glare) ratings are typically provided for pole lights(parking lots and pedestrian pathways) and bollards. Those type of lights are not being used for this development. •Minimize height of outdoor lighting to reduce light trespass/light spillage(<25 feet above lowest adjacent grade). Overhead pole lights are not being used on the project and the overall intent is to minimize light trespass/light spillage. As such, the site lighting plan is consistent DocuSign Envelope ID:86BF932F-11A8-466A-A616-2283B8A93597 Ms.Brandee Boggs July 16,2021 Page 5 of 9 with typical dark skies ordinances as the fixtures were selected to have full cut off features. In a few select locations, tree moonlights have been designated to illuminate specimen trees on the property and would be placed at a height not to exceed 25' above adjacent grade and would be positioned up in these trees to project light downward only. The project also anticipates using a total of 27 low voltage LED fixtures for vehicular and pedestrian signage uplighting. This represents only around 8% of the total lighting fixtures planned for the project and ownership has agreed to have these on automatic timers that turn off by 10pm every evening. • Position lights to maintain dark zone corridors along riparian habitats and adjacent uplands that may be used for forage and commuting. There are only a few locations where lighting will take place in riparian corridors/ adjacent uplands and those light will have a cut off time of 10 PM. These fixtures will also be low level "runway" lights that will be used for wayfinding purposes only. FWS — Comment 2 Northern long-eared bat (Myotis septentrionalis) - According to the information provided, suitable summer roosting habitat may be present in the project area for the federally threatened northern long-eared bat(Myotis septentrionalis). However, the final 4(d)rule for this species (effective as ofFebruary 16, 2016), exempts incidental take ofnorthern long-eared bat associated with activities that occur greater than 0.25 miles from a known hibernation site, and greater than 150 feet from a known, occupied maternity roost during the pup season (June 1 July 31). Based on the information provided, the project(anticipated to require some amount of tree removal) would occur at a location where any incidental take that may result from associated activities is exempt under the 4(d) rule. Although not required, we encourage the Applicant to restrict tree clearing activities during the active season for this species (April 1 October 15). CEC consulted the FWS's "Northern Long-Eared Bat Consultation Areas" map for Madison County.Madison County is not listed as having known occurrences of hibernation or maternity sites. Therefore, the project satisfies the 4(d) rule and consultation for effects on the northern long-eared bat is not required. A review of the NC Natural Heritage Program database on December 7, 2020 (submitted with permit application), revealed no known occurrences of any Federally protected species within 1 miles of the project study area indicates no occurrences of any federally protected species occurring within a one- mile radius of the project boundary. FWS Comment#3- Federally Protected Species—Bald Eagle (Haliaeetus leucocephalus) - The project area lies within the range of the bald eagle (Haliaeetus leucocephalus) and suitable nesting habitat may be present onsite. The bald eagle has been removed from the federal list of endangered and threatened species due to its recovery. However, this species is afforded legal protection by the Bald and Golden Eagle Protection Act (16 U.S.C. 668-668d) and the Migratory Bird Treaty Act (16 U.S.C. 703-712). A Wildlife Biodiversity Assessment evaluation was conducted by Chris Wilson in 2020. This included avian surveys between February and July 2020. This survey document 69 DocuSign Envelope ID:86BF932F-11A8-466A-A616-2283B8A93597 Ms.Brandee Boggs July 16,2021 Page 6 of 9 species of birds using the site. Including an observation of a spring migrant bald eagle. An Addendum to Bald Eagle Observation and effects determination, "not likely to affect" is attached(Attachment G). FWS Comment #4— General Comments - The Service recognizes the potential ecological benefits associated with creating stream and wetland complexes and does not discount the applicability of using BDA structures to facilitate habitat creation in western North Carolina.However, the Service is concerned that the project as proposed would not appreciably enhance aquatic habitat onsite. Moreover, we are concerned that the primary purpose of the BDA structures are to create amenity features for the associated commercial development and not to enhance aquatic habitat as proposed. Several aspects of the project design are evidence for this concern: It is odd to talk about a well-functioning ecosystem as an amenity, but I suppose you could construe it that way. In fact, there is a movement in our industry that quantifies ecosystem services with respect to their many and varied benefits to humans. In this way, "restoration" and "amenities" need not be in conflict. The applicant believes that this project will enhance aquatic habitat and that this project will provide a proof of concept for other sites showing that the built environment and the natural environment can coexist. See Project Justification& Design Narrative for Proposed Beaver Dam Analogs (Attachment H), and the Operation and Maintenance Manual (Attachment I). 2) The BDA design appears to be restricted in ways to accommodate the associated commercial development, not vice versa. The BDA design elevations, lining of pond areas with impermeable clay/sand, and the installation of a pond leveling structure would ensure a maximum extent of inundation to protect adjacent development infrastructure. We are concerned that these design elements are not intended to mimic natural processes and are therefore limited in their ability to enhance aquatic habitat. Please see the updated Project Justification & Design Narrative for Proposed Beaver Dam Analogs with additional information on design elevations and specific on how the proposed design mimics natural processes. Please see Section 4.3.4 Project Justification&Design Narrative for Proposed Beaver Dam Analogs for discussion about the Agri-drain. It is important to note that the Agri-drain prevent too much water (flooding in the BDA complex and does not operate as outflow under normal conditions. Please see Section 4.3.2 for discussion regarding the pool upstream of the BDA labeled TB4. 3)Design plans call for the construction of buildings immediately adjacent to streams and wetlands. Some buildings are designed to span across streams or wetlands. We are concerned that disturbances associated with the construction, maintenance, and operation of these buildings over the lifetime of the project will compromise the ecological function of adjacent streams and wetlands. Therefore, we believe the positioning buildings in close proximity to BDA structures is poorly suited to enhance aquatic habitat. Please response to General comment#4 above. DocuSign Envelope ID:86BF932F-11A8-466A-A616-2283B8A93597 Ms.Brandee Boggs July 16,2021 Page 7 of 9 4.) The Service believes that the monitoring effort as proposed, (Attachment B of the Pre- Construction Notification) is not intended to ensure ecological uplift of aquatic habitats. Rather, the Applicant states that, "Monitoring results will be utilized to determine that the project presents no deleterious downstream ecological effects. " The Applicant proposes to report rainfall, air temperature, water temperature, and photos from 22 locations once per year for three years. The Service believes that the proposed plan is short-sighted and inadequate to document any ecological uplift that may result from the proposed action. The monitoring plan does not identify any measurable success criteria and lacks standard elements such as reference reach metrics, groundwater data, herbaceous/woody stem density, etc. The plan does not adequately address the need for adaptive management over the lifetime of the project. The proposed plan instills little confidence that the purpose of these BDA structures is to enhance aquatic habitat since it is not designed to ensure or measure ecological uplift. Please see the attached Operation&Maintenance Manual for Beaver Dam Analog Stream-Wetland Complex (Attachment I). 5.) Construction activities have begun onsite. As of March 25, 2021, hundreds of cubic yards of soil have been excavated and stockpiled adjacent to streams within the action area. We are concerned about the Applicant's commitment to begin construction without providing notice to this office and before section 7 consultation requirements have been complete. The applicant began working in limited upland areas. The areas noted were comprised of active agriculture and pasture areas before the stockpiles of fill dirt were established. Attached are updated reports from Skybax Ecological and Chris Wilson with their not likely to adversely affect opinions for Gray bat and the Bald Eagle. FWS Erosion and Sediment Control-Measures to control sediment and erosion should be installed before any ground-disturbing activities occur. Grading and backfilling should be minimized, and existing native vegetation should be retained (if possible) to maintain riparian cover for fish and wildlife. Disturbed areas should be revegetated with native vegetation as soon as the project is completed. Ground disturbance should be limited to what will be stabilized quickly,preferably by the end of the workday. Natural fiber matting (coin) should be used for erosion control as synthetic netting can trap animals and persist in the environment beyond its intended purpose. A sediment and erosion control plan will be implemented on site prior to and during construction activities. The plan will be reviewed and approved by DEMLR's Land Quality Section, Swannanoa Regional Office. No land clearing will begin on-site without an approved sediment and erosion control plan. The temporary seed mix no longer includes invasive species and has been reformulated to include non-invasive fescues and hairy vetch. The temporary seed mix also includes a cover crop that incorporates: four types of clover, oats, pearl millet, and sunflowers. (see attached) This seed mix and any erosion control measures will be in compliance with Division of Energy, Mineral, and Land Resources (DEMLR), Land Quality Section standards. DocuSign Envelope ID:86BF932F-11A8-466A-A616-2283B8A93597 Ms.Brandee Boggs July 16,2021 Page 8 of 9 The applicant has agreed to restrict the use of plastic or nylon mesh erosion control matting. Since April 2021, all subsequent ECP's for the entire site will provide specifications for use of natural fiber material in ECP matting. FWS - Stream Buffers - Natural,forested riparian buffers are critical to the health of aquatic ecosystems. The applicant agrees with maintaining stream buffers throughout the site. The site contains 19,514 LF of stream throughout the project area. Encroachment of the development within stream buffers is limited to 6 stream crossings and the resort core. Five of the stream crossings are existing and the applicant is removing existing culverts and replacing with bridges at three locations. The new crossing is also a bridge. Approximately 16,692 lf. of stream on the site (approximately 85.5 percent) will not have development within 35 feet and in most cases more. FWS Floodplains - Executive Order 11988 requires federal agencies (and their designated nonfederal representatives) to consider and protect floodplain functions. We believe the examples offlooding in this area ofNorth Carolina highlight the importance of avoiding the long-and short- term impacts associated with the occupancy and modification of Floodplains and that we should avoid any direct or indirect support of floodplain development. Therefore, we do not believe the subject project should be built in the 100-year floodplain or in any way result in the alteration of the 100-year floodplain. The project site is not located within any FEMA designated 100-year floodplains (Figure 6, permit application) FWS Pollinator habitat-Pollinators, such as most bees, some birds and bats, or other insects, including moths and butterflies,play a crucial role in the reproduction offlowering plants and in the production of most fruits and vegetables. Declines in wild pollinators are a result of loss, degradation, and fragmentation of habitat and disease;while declines in honeybees has also been linked to disease. The rusty patched bumble bee (Bombus affinis) historically occurred in North Carolina's Mountain and Piedmont provinces.Although not required, we encourage the Applicant to consider our recommendations below to benefit the rusty patched bumble bee and other pollinators. Moreover, the creation and maintenance of pollinator habitats at this site may increase the value of the project for the community and help reduce the spread of invasive exotic plants. The creation, maintenance, and restoration of pollinator habitats on this project site is a central tenet of the overall landscape design. Extensive open areas are planned within the open pastureland areas and will provide excellent opportunities to develop both"high" and "low" meadows onsite. High meadows will be mowed only once a year in late winter, and thus reach very tall heights,while low meadows will be mowed twice a year in mid-summer and late winter and are thus, shorter. These meadow habitats will provide exceptional habitat for open-area dependent songbirds and wildlife, and high numbers of full-sun native wildflowers that provide year-round nectar,pollen,and forage for species that require openings vs.forest.When combined with DocuSign Envelope ID:86BF932F-11A8-466A-A616-2283B8A93597 Ms.Brandee Boggs July 16,2021 Page 9 of 9 wide, mowed trails, these meadows will also define one-of-a-kind hiking opportunities with stunning views and exciting wildflower and wildlife views. Meadows are also the only habitats capable of supporting Purple Martins, Bluebirds, Tree Swallows, Meadowlarks, Bobwhites, and other birds requiring open areas to breed. Expansion of milkweeds throughout would facilitate mass Monarch butterfly migration onsite. The Applicant believes the information submitted in this package addresses all issues set forth by the USFWS in the letter dated April 1, 2020. Should you have any questions or comments concerning this project please do not hesitate to contact me at 828-698-9800. Sincerely, c—DocuSigned by: 2. UDC 2,a6t1c. '-0A79F7DC85EE4F7... R. Clement Riddle, P.W.S. President ATTACHMENTS Attachment A—USFWS, Asheville Field Office Letter, July 3,2018 Attachment B —Revised Impact Plan Figure 5, July 15, 2021 and culvert S l detail Attachment C—Frisby Tract—Request for PJD Attachment D— Skybax Ecological Services, LLC, Bat Habitat Report Attachment E—Riparian Buffer Preservation/Impact Plan Attachment F —BDA Planting Plans Attachment G— Supplemental Bald Eagle Effects determination Attachment H—Project Justification& Design Narrative for Proposed Beaver Dam Analogs Attachment I— Operation & Maintenance Manual for Beaver Dam Analog Stream-Wetland Complex cc: Byron Hamstead, USFWS,Asheville Regional Office Attachment A USFWS, Asheville Field Office Letter, July 3,2018 rcreta OFTh FISH&WR.x} �_-� United States Department of the Interior SE ti 7VICE �9 ',r,- -a L 33 FISH AND WILDLIFE SERVICE EI` Asheville Field Office L yq °9 160 Zillicoa Street �f �CH 3, Asheville,North Carolina 28801 April 1, 2021 Brandee Boggs U.S. Army Corps of Engineers Asheville Regulatory Field Office 151 Patton Avenue, Room 208 Asheville,North Carolina 28801-5006 Dear Brandee Boggs: Subject: Mulberry Farms Commercial Development; Madison County,North Carolina The U.S. Fish and Wildlife Service (Service)has reviewed the information provided in the U.S. Army Corps of Engineers (USACE)public notice dated March 4, 2021,wherein you solicit our comments regarding project-mediated impacts to federally protected species. We submit the following comments in accordance with the provisions of the Fish and Wildlife Coordination Act, as amended(16 U.S.C. 661-667e); the National Environmental Policy Act(42 U.S.C. §4321 et seq.); and section 7 of the Endangered Species Act of 1973, as amended (16 U.S.C. 1531-1543) (Act). Project Description According to the information provided, the proposed project would entail the construction of a commercial development on approximately 448 partially forested acres near Marshall,North Carolina. The proposed School of Wholeness and Enlightenment(SOWE) would entail the construction and operation of 76 cabins,two school buildings, horticultural building, event center, dining hall, gym, wholeness center, four staff houses, administrative building, roadways, appurtenances, and several beaver dam analogue (BDA) structures resulting in impacts to 2,243 linear feet of streams (0.1622 acres) ad 0.108 acres of wetland. The Applicant's August 28, 2020, Wildlife Biodiversity Assessment characterizes a variety of onsite habitat types including: developed open space, abandoned agricultural fields,planted pine plantation, successional forest,riparian areas,wetlands, and open water. Construction activities for this project began sometime before March 25, 2021, which include significant excavation, grading, and stockpiling of soils. The extent of tree clearing (proposed and completed) is unknown. Federally Protected Species The information provided in Attachment D of the Pre-Construction Notification characterizes habitats and species that may occupy the site. However,the information provided lacks an effects analysis for each federally protected species known from Madison County,North Carolina that may occur in the project's action area(50 CFR 402.02). The following comments and guidance information below are intended to help project proponents develop a comprehensive biological evaluation that supports prudent species effect determinations from the action agency: https://www.fws.gov/raleigh/species/cntylist/madison.html https://www.fws.gov/asheville/htmis/project review/assessment_guidance.html https://www.fws.gov/midwest/endangered/section7/ba guide.html Federally Protected Species—Gray bat(Myotis grisescens) The public notice indicates that the USACE is not aware of the presence of federally protected species within the project area. The information provided in the Applicant's Wildlife Biodiversity Assessment provides acoustic evidence suggesting that gray bats forage onsite,but that"there are no potential roosting sites for gray bats on the SO WE property". However,the Applicant also states that"this report is not intended to fulfill regulatory and permitting obligations." Based on the information provided, the Applicant's findings as they relate to federally protected species are not definitive at this time. Please be aware that when information provided is incomplete, imprecise, or contradictory,we must err on the side of caution for the federally protected species. We reiterate our request for a comprehensive biological evaluation that supports a prudent effect determination for this species. This species is known to roost in caves,mines,bridges, culverts, dams, and buildings. If the Applicant has not done so already, we request that the action area be systematically evaluated for the presence of potential roosting habitat for this species. Artificial roost structures should be inspected for bat use prior to modification or removal. We also request that the Applicant identify and map portions of the action area that contain suitable foraging and commuting habitat for this species. This animal primarily forages over water and nearby riparian vegetation, from treetop level down to two meters above the ground (LaVal et al. 1977), but it has also been documented foraging over land. Foraging of gray bats is strongly correlated with open water of rivers, streams, lakes,reservoirs, ponds and wetlands. The bats eat a variety of flying aquatic and terrestrial insects present along aquatic habitats. Gray bats are not known to feed in areas along rivers or reservoirs where the forest has been cleared (LaVal et al. 1977). Forested areas along the banks of streams and lakes serve as corridors for travel and as protective feeding cover for newly volant young (Tuttle 1979, Brady et al. 1982,Moore et al. 2017). The Applicant's biological evaluation should assess project-mediated effects of the action (50 CFR 402.02)to potential roosting, forage, and commuting habitat. To this end, quantifying the extent and timing of proposed tree clearing activities would be informative. We encourage the Applicant to consider the following measures in the interest of avoiding and/or minimizing impacts to this animal: • Limit the extent of riparian tree clearing to what is unavoidable and necessary for the expressed purpose of the project. • Accomplish any necessary tree clearing activities outside gray bat active season (March 15—November 15). • Confine construction and operation activities on or adjacent to streams to a single side of the channel to minimize loss of forage and commuting habitat for gray bat. • Mark, delineate, and protect riparian vegetation within designated"tree-save" areas that may provide forage and commuting habitat for gray bat. 2 • Replant disturbed areas with native vegetation that may provide forage and commuting habitat for gray bat. • Limit any proposed night work to what is necessary for the expressed purpose of the project and to maintain safety in active work areas. • Orient temporary and permanent lighting away from riparian and upland habitats that may be used for forage and commuting during the gray bat active season • Limit the number of fixtures, hours of illumination, and light intensity to the lowest levels necessary to maintain human health and safety. • Use warmer colored lighting (Correlated Color Temperature <3,000K). • Avoid the use of metal halide or mercury light fixtures. • Use light fixtures that minimize light trespass/light spillage (BUG rating of 1-0-1 or less). • Minimize height of outdoor lighting to reduce light trespass/light spillage (<25 feet above lowest adjacent grade). • Position lights to maintain dark zone corridors along riparian habitats and adjacent uplands that may be used for forage and commuting. Federally Protected Species—Northern long-eared bat(Myotis septentrionalis) According to the information provided, suitable summer roosting habitat may be present in the project area for the federally threatened northern long-eared bat(Myotis septentrionalis). However, the final 4(d)rule for this species (effective as of February 16, 2016), exempts incidental take of northern long-eared bat associated with activities that occur greater than 0.25 miles from a known hibernation site, and greater than 150 feet from a known, occupied maternity roost during the pup season (June 1 —July 31). Based on the information provided, the project (anticipated to require some amount of tree removal)would occur at a location where any incidental take that may result from associated activities is exempt under the 4(d)rule. Although not required, we encourage the Applicant to restrict tree clearing activities during the active season for this species (April 1 —October 15). Federally Protected Species—Bald Eagle (Haliaeetus leucocephalus) The project area lies within the range of the bald eagle (Haliaeetus leucocephalus) and suitable nesting habitat may be present onsite. The bald eagle has been removed from the federal list of endangered and threatened species due to its recovery. However,this species is afforded legal protection by the Bald and Golden Eagle Protection Act(16 U.S.C. 668-668d) and the Migratory Bird Treaty Act(16 U.S.C. 703-712). If they have not done so already,we request that the Applicant evaluate the action area for bald eagle nests. If any active nests are located within the action area,we request that project-mediated disturbance be restricted from mid-January through July in order to prevent adverse impacts during the egg-laying period until the young fledge. General Comments and Concerns The installation of BDA structures has been emphasized as a significant component of the project and has been proposed to enhance aquatic habitat onsite. The Service recognizes the potential ecological benefits associated with creating stream and wetland complexes and does not discount the applicability of using BDA structures to facilitate habitat creation in western North Carolina. However, the Service is concerned that the project as proposed would not appreciably enhance aquatic habitat onsite. Moreover,we are concerned that the primary purpose of the BDA structures are to create amenity features for the associated commercial development and 3 not to enhance aquatic habitat as proposed. Several aspects of the project design are evidence for this concern: 1) We understand that the principal purpose of the project is to construct a commercial development(residential education and training center). 2) The BDA design appears to be restricted in ways to accommodate the associated commercial development,not vice versa. The BDA design elevations, lining of pond areas with impermeable clay/sand, and the installation of a pond leveling structure would ensure a maximum extent of inundation to protect adjacent development infrastructure. We are concerned that these design elements are not intended to mimic natural processes and are therefore limited in their ability to enhance aquatic habitat. 3) Design plans call for the construction of buildings immediately adjacent to streams and wetlands. Some buildings are designed to span across streams or wetlands. We are concerned that disturbances associated with the construction, maintenance, and operation of these buildings over the lifetime of the project will compromise the ecological function of adjacent streams and wetlands. Therefore, we believe the positioning buildings in close proximity to BDA structures is poorly suited to enhance aquatic habitat. 4) The Service believes that the monitoring effort as proposed, (Attachment B of the Pre- Construction Notification) is not intended to ensure ecological uplift of aquatic habitats. Rather, the Applicant states that, "Monitoring results will be utilized to determine that the project presents no deleterious downstream ecological effects." The Applicant proposes to report rainfall, air temperature,water temperature, and photos from 22 locations once per year for three years. The Service believes that the proposed plan is short-sighted and inadequate to document any ecological uplift that may result from the proposed action. The monitoring plan does not identify any measurable success criteria and lacks standard elements such as reference reach metrics, groundwater data, herbaceous/woody stem density, etc. The plan does not adequately address the need for adaptive management over the lifetime of the project. The proposed plan instills little confidence that the purpose of these BDA structures is to enhance aquatic habitat since it is not designed to ensure or measure ecological uplift. 5) Construction activities have begun onsite. As of March 25, 2021, hundreds of cubic yards of soil have been excavated and stockpiled adjacent to streams within the action area. We are concerned about the Applicant's commitment to begin construction without providing notice to this office and before section 7 consultation requirements have been complete. Reference is made to 50 CFR 402.09 which requires that, "the Applicant shall make no irreversible or irretrievable commitment of resources with respect to the agency action which has the effect offoreclosing the formulation or implementation of any reasonable and prudent alternatives which would avoid violating section 7(a)(2) of the Endangered Species Act." We are concerned that the Applicant's commitment to begin project construction at this time may significantly complicate the agency review process. Section 9 of the Act and federal regulations pursuant to the section 4(d) of the Act prohibit the taking of endangered and threatened species,respectively,without special exemption. Please be aware that the Service cannot eliminate or reduce the Applicant's liability for the taking of endangered and threatened species that has already occurred. We offer the following general recommendations for the Applicant's consideration in the interest of minimizing impacts to natural resources: 4 Erosion and Sediment Control Measures to control sediment and erosion should be installed before any ground-disturbing activities occur. Grading and backfilling should be minimized, and existing native vegetation should be retained(if possible)to maintain riparian cover for fish and wildlife. Disturbed areas should be revegetated with native vegetation as soon as the project is completed. Ground disturbance should be limited to what will be stabilized quickly,preferably by the end of the workday. Natural fiber matting (coir) should be used for erosion control as synthetic netting can trap animals and persist in the environment beyond its intended purpose. A complete design manual,which provides extensive details and procedures for developing site-specific plans to control erosion and sediment and is consistent with the requirements of the North Carolina Sedimentation and Pollution Control Act and Administrative Rules, is available at: http://portal.ncdenr.org/web/lr/publications Stream Buffers Natural, forested riparian buffers are critical to the health of aquatic ecosystems. They accomplish the following: 1. catch and filter runoff, thereby helping to prevent nonpoint-source pollutants from reaching streams; 2. enhance the in-stream processing of both point- and nonpoint-source pollutants; 3. act as "sponges"by absorbing runoff(which reduces the severity of floods) and by allowing runoff to infiltrate and recharge groundwater levels (which maintains stream flows during dry periods); 4. catch and help prevent excess woody debris from entering the stream and creating logjams; 5. stabilize stream banks and maintain natural channel morphology; 6. provide coarse woody debris for habitat structure and most of the dissolved organic carbon and other nutrients necessary for the aquatic food web; and 7. maintain air and water temperatures around the stream. Forested riparian buffers (a minimum 50 feet wide along intermittent streams and 100 feet wide along perennial streams [or the full extent of the 100-year floodplain, whichever is greater]) should be created and/or maintained along all aquatic areas. Within the watersheds of streams supporting endangered aquatic species,we recommend undisturbed, forested buffers that are naturally vegetated with trees, shrubs, and herbaceous vegetation and extend a minimum of 200 feet from the banks of all perennial streams and a minimum of 100 feet from the banks of all intermittent streams, or the full extent of the 100-year floodplain,whichever is greater.) Impervious surfaces, ditches,pipes,roads, utility lines (sewer,water, gas,transmission, etc.), and other infrastructures that require maintained, cleared rights-of-way and/or compromise the functions and values of the forested buffers should not occur within these riparian areas. Floodplains Executive Order 11988 requires federal agencies (and their designated nonfederal representatives)to consider and protect floodplain functions. We believe the examples of flooding in this area of North Carolina highlight the importance of avoiding the long- and short-term impacts associated with the occupancy and modification of floodplains and that we 5 should avoid any direct or indirect support of floodplain development. Therefore,we do not believe the subject project should be built in the 100-year floodplain or in any way result in the alteration of the 100-year floodplain. Pollinator Habitat Pollinators, such as most bees, some birds and bats, or other insects, including moths and butterflies, play a crucial role in the reproduction of flowering plants and in the production of most fruits and vegetables. Declines in wild pollinators are a result of loss, degradation, and fragmentation of habitat and disease; while declines in honey bees has also been linked to disease. The rusty-patched bumble bee (Bombus affinis)historically occurred in North Carolina's Mountain and Piedmont provinces. Although not required,we encourage the Applicant to consider our recommendations below to benefit the rusty-patched bumble bee and other pollinators. Moreover,the creation and maintenance of pollinator habitats at this site may increase the value of the project for the community and help reduce the spread of invasive exotic plants. Please consider the following: 1. Sow native seed mixes in disturbed areas or in designated pollinator areas with plants that bloom throughout the entire growing season. 2. Taller growing pollinator plant species should be planted around the periphery of the site and anywhere on the site where mowing can be restricted during the summer months. Taller plants, left un-mowed during the summer,would provide benefits to pollinators,habitat to ground nesting/feeding birds, and cover for small mammals. 3. Low growing/groundcover native species should be planted in areas that need to be maintained. This would provide benefits to pollinators while also minimizing the amount of maintenance such as mowing and herbicide treatment. Milk weed species are an important host plant for monarch butterflies. 4. Avoid mowing of flowering plants. Designated pollinator areas show be mow only 50% of the plant height, but no lower than 8 inches. 5. Avoid mowing outside the active season for rusty-patched bumble bee and other pollinators (April 15—October 15). 6. Leave slash piles, mulch piles, or loose dirt piles along woodland edges. These areas provide nesting habitats and/or nest materials for some pollinators. 7. Avoid the use of pesticides and specifically neonicotinoids. 8. Additional information regarding plant species, seed mixes, and pollinator habitat requirements can be provided upon request. The Service appreciates the opportunity to provide these comments. Please contact Mr. Byron Hamstead of our staff at byron_hamstead@fws.gov, if you have any questions. In any future correspondence concerning this project,please reference our Log Number 4-2-21-078. Sincerely, - -original signed- - Janet Mizzi Field Supervisor 6 References Brady, J. T., T. H. Kunz, M. D. Tuttle, and D. E. Wilson. 1982. Gray bat recovery plan. U.S. Fish and Wildlife Service, Denver, CO. LaVal, R. K., R. L. Clawson, M. L. La Val, and W. Caire. 1977. Foraging behavior and nocturnal activity patterns of Missouri bats,with emphasis on the endangered species Myotis grisescens and Myotis sodalis.Journal of Mammalogy. 58:592-599. Moore, Patrick R., T.S. Risch, D.K. Morris, and V. Rolland. 2017. Habitat use of female gray bats assessed using aerial telemetry. Journal of Wildlife Management 81(7):1242-1253. Tuttle,M. D. 1979. Status, causes of decline and management of endangered gray bats.Journal of Wildlife Management. 43: 1-17. 7 Attachment B Figure 5 Revised Impact Plan And Stream Impact Si Culvert Detail LEGEND Osgood LANDSCAPE ARCHITECTURE _11_11_11_11_nm PROPERTY BOUNDARY - _ JOEL OSGOOD, RLA - — - - — _ _ 14 CHURCH STREET WETLAND - NO DISTURBANCE .' - - — - - ASHEVILLE, NC 28801 .` 828.527.6466 / • LINEAR WETLAND / • NON-JURISDICTIONAL WETLAND i I i NON-JURISDICTIONAL LINEAR WETLAND �• / - ` • . i ' SEAL / \ EXISTING OPEN WATER • i i 1 4 i I h t i i ii r . � 1 STREAM I • s CULVERT TO REMAIN , • / ` • CULVERT TO REMOVE `-' • PROPOSED CULVERT • 1 PROPOSED WETLAND IMPACT •• ISSUED \ \ A PROPOSED STREAM IMPACT •` • DATE ISSUED: 15-JULY-2021 \ - ,-..„‘ DRAWN BY: ZAC, KMD, RJB PROPOSED STREAM RESTORATION • • \ - - - - - APPROVED BY: JJO IMPACT SUMMARY ` � I ? , Project Area 450.53 AC EXISTING CULVERT TO I REVISIONS Jurisdictional Waters of the US 1 1 ; REMAIN, TYP. Perennial & Intermittent Streams 19,514 LF 1 Wetlands 1.966 AC % : Existing Open Waters 0.558 AC I \ ( - 1 . NWP 39 Impacts '� Culvert Crossing Stream Impacts 41 LF 0.004 AC *BDA TB4 fill Stream Impacts 46 LF 0.003 AC SCHOOL OF BUSINESt.WISDOM ,F TOTAL NWP 39 STREAM IMPACTS 87 LF 0.007 AC ` 17.4% �\ NON-JURISDICTIONAL WETLA D _ , 17.1/ GRADE Wetland Fill Impacts 0.003 AC IMPACT N JW2 (0.00 I AC)• ,, � �� �� , BDA TB4 fill Wetland Impacts 0.002 AC \, ,y� • S4: EXISTING 27 LF (0.00 I AC) TOTAL NWP 39 WETLAND IMPACTS 0.005 AC S7: EXISTING 20 LF (0.00 I AC) =�` ' �7 CULVERT TO BE REMOVED/ CULVERT TO BE REMOVED/ I. - ., NWP 27 Impacts `, 'y �� RESTORED RESTORED o — — I — •!• b , Culvert Removal Stream Impacts 269 LF 0.011 AC v � � /� �� V�000 ��; % ' BRIDGE PRELIMINARY *Stream Enhancement Impacts 240 LF 0.0275 AC SCHOOL OF HEALING AND ENLIGHTENMENT t� . . . , ,.....01.- DINING HALL *BDA Restoration Stream Impacts 1,649 LF 0.1157 AC \ - A �� �`' ;Jill"1 EVENT CENTER IMPACT PLAN 1 'V\ MEETING HALL TOTAL NWP 27 STREAM IMPACTS 2,158 LF 0.1542 AC S3: EXISTING 74 LF (0.003 AC) `' fill _►1�11 SHEET TITLE CULVERT TO BE REMOVED/ I ' 47 I 1 ' REFER TO RDE DRAWINGS C 102 *BDA Restoration Wetland Impacts 0.077 AC 1 \ \ 1 RESTORED1 (� , FOR IMPACTS S I 0 S30 ( 1758 FT, TOTAL NWP 27 WETLAND IMPACTS 0.077 AC \ I A \ 0• 134 AC) IMPACTS W7-W9 (0.05 AC) 1 *Refer to RDE Drawings C1o1 and C1o2 CULVERTS TO REMAIN � � /�-a EXISTING 80 LF CULVERT TO BE \ j� , WHOLENESS SANCTUARY _ ®�.-- �� ,' REPLACED WITH 12 I LF - MULBERRY BRIDGE '- / PROPOSED NEW IMPACT S I : 41 LF FARM — S6: EXISTING 118 LF (0.005 AC) CULVERT (0.004 AC) MAD I N LL SO C TO BE REMOVED/ RESTORED \ , ' Up eRgFRT S5: EXISTING 29 LF (0.001 AC) CULVERT e Ncyyoy MARSHALL, NC Ro qs TO BE REMOVED/ RESTORED qp _ PRELIMINARY / 1 ADMINISTRATION FOR REVIEW PURPOSES ONLY BRIDGES e BUILDING NOT FOR CONSTRUCTION ''II .II ..414A1 \ REFER TO RDE DRAWINGS CI01 FOR NON-JURISDICTIONAL WETLAND IMPACTS S8-S9 ( 177 LF; 0.012 AC) ^� IMPACT NJWI (0.034 AC)1 Ne 0' 150' 300' 600 IMPACTS W5-W6 (0.029) \ , \, ` I 1 C SCALE: 1 " = 300' 0" I 1 RECEPTION CENTER 1 WETLAND IMPACT WI (0.003 AC) 7" / ' _ � L- 1; EXISTING GRAVEL DRIVE TO REMAIN 1 ' NEW ENTRANCE ROAD SHEET 1 OF 1 ` / I. 1 _— 1 THE DRAWINGS,SPECIFICATIONS AND OTHER tilt . 4114 DOCUMENTS PREPARED BY OSGOOD LANDSCAPE ARCHITECTURE INC.FOR THIS PROJECT ARE INSTRUMENTS \____ DOCUMENTS OF THE LANDSCAPE ARCHITECTS SERVICE FOR USE SOLELY WITH RESPECT TO THIS PROJECT.REPRODUCTION — 1" _ . OR USE OF THESE DRAWINGS OTHER THAN FOR THIS - �— PROJECT WITHOUT WRITTEN CONSENT FROM THE US HIGHWAY 25/70 LANDSCAPE ARCHITECT IS PROHIBITED.UNAUTHORIZED USE WILL BE SUBJECT TO LEGAL ACTION. - - Copyright 2021 -Osgood Landscape Architecture,Inc. w 1- a 0 ' '7 / i / / / / / / ' / / ' / / / / / / / -/ / // / // 4 e16 / y l I // - / 4i. ib / / / // 1 / / / i , / / , / / / / / / / / / / / / / / / / / / i/ / / / / // // // // / // / //// // ` � /// / / // dirk �O / / / / // / //// / // // V / / / / / ._ 4410 e , i i / / / / / / / / / N / / / / / / / - X / / / / / / / / / / / o / / / / / / / ,7 / // / // / / / ,/ / it_./ _..1 i / //// / / �y // // / // / / / / / / /////;/// // /ç/ r21 • / / co- / / / / V / / / / // / �4-1/ / / / // // / / G� ��% / /71b9/67/ 9. /25 / / ,/ �LO C)\ \ 04 1111 / / / / , , , / 4,/ RE/PIiA EXIST. 81 LF 6,0/u /' • ciot y„ 'l / : . ,id'4., / / / �,P` \ / / 7- / / / 0 ' / / Yk / 1Z F 60 CMR ®' .9 %'/ / DWQ{LI� I 1 *i I / ------ / // / / \ 2 I / cn .., / , , / 4/4ib . . . , , ,, .. , / / / , . . . , \ \ 1 / / , 0 ,.. . 7 . , , / _ .... \ \ ........ . 7 , / , , , . 1.11, . 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OP QQ� �� / / / / / 1 / I Q 04.12.21// / / , ,�, 25' / / / // / / , I II GRAPHIC SCALE/ // / / / / / / / / / / I I 20 0 �0 20 �o so Designed: JMM / / / / / / / / / / / / / I I C5) Graphics: �/ / / /7 / / / R 35' (TYP.) / / / // / / / DMM / / / / / / / / / / / Checked: / / / / // / / // , ` / / /, /j //// // // , // /, I ( IN FEET ) O Reviewed: JMM ///// /,/ // // // / .� / PROPS ED / / / / / / / 1 inch = 20 ft. JMM / / i / / /� / ENDWA / / / / / / / // / / / I 1 I Scale: �/ // / �/ // / / / ooi•� / INV: 1968.0 / / / / / / / / / , / / I I I I AS NOTED / / i / / / / /1 / / // / / / / / / / I I I Date: / / / Q P POSED r / / / / / / / I I 9/15/20 / / 7� // / // ���_ i � /' 22 L 18 ' HDPE / / / / / // // , / / / / / I / / � \ / / �. , / / / / / / / 7 / / / // / / / @ 0.50 / / / / / / / 1 // - 7 / z// / �� //7,//7 / / , // / / / / / / / / / / / / / z,„ / //// / '�� // // / / / / / //// / / / // / // // �. / // // ENGINEERING EXCELLENCE C-2383 CIVIL ENGINEERING.STRUCTURAL ENGINEERING MUNICIPAL INFRASTRUCTURE.CONSTRUCTION ADMINISTRATION P.O.BOX 1516 WEAVERVILLE,NORTH CAROLINA 28787 P:828.645.7088 F:828.645.7714 info@mdgeng.com www.mdgeng.com CCI PROPOSED H EA D/EN DWALLS (WIDTH VARIES) ROAD BASE PROPOSED ROAD WI CURB $GUTTER BACKFILL CULVERT WITH O PROPOSED TOP OF CCI 0 SELECT MATERIAL IN 12" U ROAD ELEVATION HEADWALL= 1978.00 ROAD BASE PROPOSED ROAD W/CURB $GUTTER LIFTS TO 98% MAX. DENSITY VARIES PROPOSED TOP .6 ,/ / / /// // ///// /� ///� PROPOSED TOP OF O ROAD BASE lig ENDWALL = 1 974.63 la /,</,< �/jam/�% / \/ / / / / \/ / /,v/�/�/�/v/,v//</�/,<\ /,v/�/�/ /�/�/,<• W,,\ \/ WALL = 1978.00 Z PROPOSED \ \ \ \ \ \ HEADWALL WINGS CC j/ // HEAD/ENDWALLS OMITTED FOR CLARITY. (DESIGN(DESIGN BY OTHERS) !!< 3/ 4 . / / / / / / / PROPOSED TOP OF \ \ \ /\ \ \ \ \�, \y� �\`�i\ � �`�`\``/``� ��� ' \ z w \ \ \� (DESIGN BYO HERS) !� /. WALL = 1974.63 CREEK O O \A \'�/ /'�/ / \\gym Q \/�\/'�/ /'�/ / \� \� ENDWALL WINGS �\ � />\4%\ /iii ,\ /\ . 4%>\4/\e/��/ ' / / I STREAM BED MATERIAL �\ • �, �,\- �,\ \ OMITTED FOR CLARITY. /� •'r/� la \'r/\ • \.n- • j\j \'r/\ /./1rj\�1 j\ (DESIGN BY OTHERS) DEPTH FOR SILT O \ \r - (WITH 18" OF ADDITIONAL Nair mi COLLE DTI ON) ram\_a = / // /\I� _ \� \ \ = CREEK - • • ..• • .• • •, .• • • -� • • v• • •c• • •V• • • � • •4 �� EXISTING CREEK - •-- - d , 1 - EXISTING = _ =:, : '�• a :, •.,.- •.,. :.• - P OPOSED HEADWALL .•�..;.,•0! _ .- A .:. -'71' -•....., *Ii'.. - I •%:' : • _ • • : <•%o-• --- __:_•.�_ •.._.- •.._.. � I I =II III III II—II III i ii nii w s GRADE R rc• • •. • •. • • :.._. - t..- _.� .-•.�_ �.•,:_,.- :.. . I�IIII II I I� N "` GRADE I INV.= I970.00 4 � !�-._ 04,4 �_• 4 am „ 11111 �./ Z N PROPOSED ENDWALL ICI �, INV.= 1966.63 SMATERIAL INVROP�OSED 60"QS CULVERT STREAMBED UNDISTURBED CC 0 (TYP,) MATERIAL SOILS PROPOSED PROPOSED 115± LF OF PROPOSED 115± LF OF UNDISTURBED SOILS 00 STREAMBED (I'EMBEDMENT) ISI INV.=1966.63 MATERIAL UNDISTURBED SOILS 60" CREEK CULVERT 60" CREEK CULVERT PI2 0 UPPER THOMAS BRANCH/ORION REACH ROADS (I'EMBEDMENT) INSTALLATION @ 2.9% INSTALLATION @ 2.9% Hk CULVERT INSTALLATION - TYP. CROSS SECTION a W SCALE: 1" = 5' 2W O CC I 1 . UPPER THOMAS BRANCH/ORION REACH ROADS CULVERT INSTALLATION - SECTION 'D-D' NOTE: INSTALL CONSTRUCTED RIFFLES TO MATCH EXISTING BED SUBSTRATE. W Q SCALE: 1"= 5' ° ~ 0a U 0o z 2Q 40 0 cc o Sheet No.: OF 35 Sheet: i \//\KE North 8I 1 Project No: Carolinia9. p' 1 9- 1 04 Attachment C Frisby Tract— Wetland Stream Delineation Frisby Tract - Mulberry Gap Farms (+1- 2.5 AC) IN111 - w 14''''_ IW. • s Jurisdictional wetlands and waters identified on tins map have been located within sub- = - meter accuracy utilizing a Trimble mapping grade Global Positioning System(GPS) the subsequent differential correction of that data. GPS points may demonstrate _ uncomectable errors due to topography,vegetative cover,and/or multipath signal error. — IMOO ---� Ihk Q _ Note: The illustrated wetland and stream locations are approximate. These areas have r• - i. been flagged in the field;however,they have not been surveyed. Although ClearWater ral / Environmental Consultants,Inc.(CEC)is confident in our assessment,the US Army rmli + ' �_,� �\ �A`‘ Corps of Engineers(Corps)is the only agency that can make foal decisions regarding = V17.440 • H L• �/♦ 1• /.` jurisdictional wetland and waters of the US delineations. Therefore, all preliminary , ♦ ``\ determinations are subject to change until written verification is obtained. CEC strongly Bil IIIIIIII1I " C• ` C.\ 1\ '- �� _ - recommends that written verification be obtained from the Corps prior to closing on the \` \\ �r r, `%\� property,beginning any site work,or making any legal reliance on this determination. r . Potential Non-wetland This map was prepared by CEC using the best information available to CEC at the time ii �M of production. This map is for informational purposes only and should not be used to Waters of the US ,� / �� \. determine precise boundaries,roadways,property boundary lines,nor legal descriptions. +��� s\ This map shall not be construed to be an official survey of any data depicted. .� I/I 1 i If `:\ ://... Source Data:Topo and :nr y-Madison CountyGIS ////////, V _..__,. k , 4101, :\:\ ''' . Parcel Boy roloo , 1.,:il ' ' 9 ,.. , to< , . _ , . ,40., .:*40'.-te--':e_ _.-_._ _:,4.' If *,•0....*-- , , it"' Right-of-Way 7 ��+'. ll ill Area Between irip4,,,I._• • �� !/ Road&Parcel' --,� �;, ..11„ Boundary Included - fr Potential Non-wetland (� �:��,a��. in Delineation //1 i _ Waters of the US ,�, ;� �� 1 r � !all '1 PotentiallyJurisdictionar �rl � �- 9lream Linear Feet Acres Acres .l 1 �4tc 1.l �y S2 116 0.023 � S3 489 0.131 � 11 �� , � Total 703 0.175 0.000 fil71,44 01111\r—,, 1.S%ii sek(iliii .\.. ♦i. 111110 HIIIIIIIIIIIIIIIIS04441.0 Potential Non-wetland (II 11 Legend .....‘11411111 .) Waters of the US Madison County PIN 8798398531 S2r ` 1 ' \iiii......aiopppopooiooioo,lPj- S. \ Previous Mulberry Delineation j , Stream IVt._ — -- —"—" — - Data Form 0 5 200 31101011 9' Feet Drawn by:BWY 4.29.2021;CEC Project#1025el (4\\\-%' aiii '� ' aear� A I r Stream and Wetland Madison County, V V Delineation Map North Carolina Delineated April 28 2021 145 7th Avenue West,Suite B Hendersonville,NC 28792 Figure 5 Attachment D Skybax Ecological Services, LLC, Bat Habitat Report Evaluation of potential summer and winter habitat for Gray bat (Myotis grisescens) at the Mulberry Gap Farms Tract, Madison County, North Carolina itimfr } xR A ,r4 .• May 28, 2021 SKYBAX ECOLOGICAL SERVICES PO Box Zo93, Berea, KY 40403 • 859-302-2897 I. INTRODUCTION Skybax Ecological Services, LLC, (Gary Libby)was contracted by Mulberry Gap Farms, Madison County, North Carolina,to evaluate potential summer and winter habitat for Gray bat at the Mulberry Gap Farms Tract. With rare exceptions, gray bats live in caves year-round. During the winter gray bats hibernate in deep, vertical caves. In the summer, they roost in caves which are scattered along rivers. These caves are in limestone karst areas of the southeastern United States. They do not use houses or barns. However, they may use mines, bridges, culverts, dams, and buildings. Females give birth to single young in late May or early June. Gray bats eat a variety of flying aquatic and terrestrial insects present along rivers or lakes. II. STUDY AREA The study area is in Madison County, North Carolina, about 4 miles northwest of Marshall. A topographic map depicting the study area is attached (Figures i-3). The area is about 448 acres. The east side is bounded by Highway 25/70,the west boundary is the ridgeline of Price Mountain. The upper(headwaters) of Thomas Branch (a tributary stream of Brush Creek and the French Broad River) is located within the study area. This area is included in the Central Appalachian Broadleaf Forest—Coniferous Forest— Meadow Province (Bailey 1995). III. METHODS The study area was surveyed on foot during May 12 & 13, 2021,to locate any potential habitat for the Gray bat. The area was thoroughly evaluated for the presence of suitable summer(caves, cave- like dwellings, man-made structures) and winter(caves, cave-like dwellings, and man- made structures) roosting habitat for the Gray bat. In addition, landscape features that represent commuting and foraging habitat were also documented. IV. RESULTS No caves, cave-like dwellings, or man-made structures that exhibited characteristics of use by Gray bats were found during field investigations. However, one of the houses that we inspected did have evidence of bat use (see Photograph 1). Staining of the wood around the access (Photograph 2) and fresh dropping (guano) (Photograph 3) were observed. While we could not access the interior,this most likely represents Big brown bat (Eptesicus fuscus), probably an individual or small group. As old cisterns are PO Box io93, Berea, KY 40403 • 859-302-2897 sometimes used by bats, special emphasis was placed on locating and surveying these structures. None were found. While some on-site water sources are used, these were typically done using spring boxes (Photograph 4) and these are typically not used by bats. Also, a metal tank with open access was found in a wooded area (Photograph 5). This tank did not exhibit any signs of bat use and is likely not used by bats; however, bats do sometimes utilize these types of structures. Given the proximity to Gray bat captures in the area it is likely that this species forages and drinks along the adjacent French Broad River and may use the flight corridors (Photographs 6 & 7) present in the study area for commuting and foraging. A mid-slope pond (Photograph 8) may provide foraging and drinking habitat forthe Gray bat. The streams (Thomas Branch and tributaries) in the study area are too small and cluttered to provide commuting and drinking habitat for the Gray bat. However, these streams likely produce aquatic insects, and the flying adults are important to the diet of the Gray bat. V. DISCUSSION Gray bats do occasionally use certain types of buildings, but not houses and barns. It is highly unlikely that the Gray bat utilizes the study area for winter roosting. It is highly unlikely that the Gray bat uses the area for roosting during the summer. The study area does provide foraging and commuting habitat for the Gray bat. This is due to the proximity(about 3 miles)from the French Broad River(Figure 1), which is known to be an important travel corridor for this species. As no roosting habitat for the Gray bat was found within the study area,this project as designed is not likely to impact the continued existence of the Gray bat in this area. VI. RECOMMENDATIONS 1. Clearing of vegetation along Thomas Branch and tributaries should be minimized or avoided to protect water quality. While these small streams do not represent travel corridors, they could produce important prey(food)forthe diet of the Gray bat in the study area. Areas where riparian clearing is unavoidable should be revegetated or allowed to grow back after construction. 2. Best management practices for sediment control and erosion prevention should be strictly adhered to maintain existing water quality parameters within the study area. 3. Artificial lighting should be kept to the minimal amount need for safety, especially throughout the night. PO Box io93, Berea, KY 40403 • 859-302-2897 4. Bat houses or a bat condominium could be installed after construction is complete to provide roosting habitat. These would likely be utilized by Big brown bats (Eptesicus fuscus); however, all bats are beneficial animals and many species that were once common in this region have declined dramatically during the last io years. 5. Small, ephemeral watering holes could be constructed on or along the ridgetop corridors. These corridors are used for travel and foraging by Gray bats, Big brown bats, Eastern red bats (Lasiurus borealis), Hoary bats (Lasiurus cinereus), and Silver- haired bats (Lasionycteris noctivagans). Upland water sources would also be beneficial to amphibians and reptiles in the area. STATEMENT OF QUALIFICATIONS: I certify that I am qualified and permitted (USFWS T&E Recovery Permit 156382-3) to assess potential habitat, conduct acoustic surveys, as well as capture, handle, and conduct hibernation surveys for the Gray bat (Myotis grisescens). ...a—d L-1411 Gary Libby LITERATURE CITED/CONSULTED Bailey, R.G. 1995. Descriptions of the Ecoregions of the United States. USDA Forest Service, Miscellaneous Publication Number 1391. 108 pages + map. USFWS. 2018. Gray Bat(Myotis grisescens) Fact Sheet. 2 pages. https://www.fws.gov/Midwest/endangered/mammals/grbat_fc.html PO Box io93, Berea, KY 40403 • 859-302-2897 ,� u/ 9 t 3600 r,� , br �,;7 locust ] ` White Knob .7 r>'rkGo._ Ridge ZR r_ti / o Rock 11 ISGjH /.. �5P �O Chapel �p Rock . ``I. �Q tia,� PGQy Hill t1 Knob i: P fP 66 - .� l Ce , y6Q 6,6 0�\�e �.41 '. Belva �� R-..ak '- ° Qt` nQ a� I ` i% ° ®r o o rain 5 v. m 8 •Rietr', rag9Y q. C� Ali �NMEin!'PN Q L f xiBig a / ounrarn a9P ti•'G x N Laur ,to Guntertotvn _d )41'L oie e •yry� LL� ` ' yp ¢ y4' firr Creek ml I ; .51 �y l_ 7r.kill lab\ yl �r Gbirr. Ric FP_11 S Og w CF \`F, ' ? lk. i) t) I L ' i--- �Q Luy, " �� �: `m m m � .••,s, Ni. 1 � r .m Bever tt' n, °*•'1 Buc!aA v� Y T Kn. GtTq, i y o R atnut Coo a`c z 9. m ,:t- P ' �`.' A. K obb 4 G3P Lumptaan' at o # •�"•• TR iQ` JZF 11,, \ aI' ut "flo tt' 141 M ' I1ni ers Lea Aid9e- union h I,..••• • -�\ _ .�� l Turkeyp. ,�',<�a o i Knob o . SdUT- Stack ,, e r L (le 'NJo Mo fain ��+may ,� 47 ountam i island FAQ _ - HICxO_0.Y-- `\ _I• c r� P� L ye La C Ladd 'ii Sandy - w Nigh m t G Bottom Qp = y? Rock : 9 a Z. pond' m Poi t 1. b' •� A'T / y )' nn v r 6, ° t- j soy^, 1 q/ OflE ':�9 i �W �y_ p i �9 . 6j6co, Slaty..9 Knob •# I 1c \.J 0.061/4.9 pg 35.' y. N . ® V`te tkOtgkGHfV�C C nut n a sae :arnar, Ro i s k u 11 sa,de o ` h.► f oas Fiyor Spur 2 .'. 0 9Q _. ( 4. . . 9 o q0 /1 Rector butt \ ` Barnett c o 1I„ Mountain i s p ( RIOpC fill C %. iI "r/LEk �. qb pine :afi� F ,y S1D c ca i �� k kFC 1 bRr �, 1��Tom lO9' % i' "le y Big Pi J /i9 Big Pine y vA,°i r i \J ¢ qd 1 0 o oty S` Farmer 90 << a 'y Q Worley Mountain • m g y Rc.. ..< 0 21 lb �yF Mount P� i� • Oil' G PQ �:;Tower _ 4 :0 Redmon H9 \.� Marshall , cI,_ ,` o _l1 ,c-- 6 Figure i. Location of study area (green circle). PO Box io93, Berea, KY 40403 • 859-302-2897 Mulberry Gap 3k«Farms (+/- 447 AC) �'' .�_ a,' : ':4~, •�Oda r ' ~• ' _ ... T,, • Z A •N .... ti Cr—� • ... ..- .q .... f{}t' Andy�iaP turltIlrD/n K15y,A-.` -/ r T �Frr3 4. r f R w lE '�, 6 t,,,.;i ,. L .I �j f, .i ,ter,,, �w e} 1 .,,1 e R R ' ell '(� i \ ..j r .i 6Or a ' r t `l 2'yr/s / & '" • — Project Boundary w t - I — i r �� , r ._ is 4 � { f' , / . -'._ J' -.1 3v>w' a fit i J • '.x ael.f` _xi ._1 i Al' / ' ,v • r L n / - -f a` ., ` .�,.. — . :• e' �; ti •u.liLWt I. • .�. Tk - TM l!h 4 ,d� Legend _. r .w • �„_•` •1T 9 , _ 0.25 0.5 1 Project Boundary y_�a` l,t---••—� ,,.. ['i'��1, 1 I Miles Drawn bye BWY 6.8.2020,CCC Project*1025 _ t.rl irllf�f t S Madison County, CLearWaLer USGS Topographic Map North Carolina Marshall Quad 32 Clayton stet Figure 2 Asheville,North Carolina 28801 PO Box lo93, Berea, KY 40403 • 859-302-2897 k s ! 1Ax Farms (+•+1- 44K 8 A� CMulberry Gap ,It = ) • • d S° . r• • � �� ' '�:Syr,, �eG�• a 1 Project Boundary f. r/ 1 rq[ ri .:=:.":4,..:',':' �'"!;.....,.A.:14•; Y art°,.:.,,..,...:.,.-..7:::-:''-,:1:1.-..1,1'.':..it.,,,,....3:*:,.,:i.'1..,,-,..:7-;,...,,':'''11.f..''.",.,:.'':....4:.1.!.1,.'::.1,,.''''':.':,"{ M .;‘'...,..'‘.:,1.'..I''' .._ _'h 1 {,, , �� g a • - a i y I. .` _ a y M il .;,.. { r ,_./- i •• n= 'z t �, N ram ' Legend t — — 0 500 1,000 2,000 m ! Project Boundary Feet rDrawri 4y:BWY 8.8-2020:CEC Project 1t25 Madison County, Cj..ear\ater Aerial Map North Carolina NCCGIA(2018) 145 7th Avenue Weat.Suite II Figure 3 Ilrndcrsorsvdie,NC 28791 PO Box lo93, Berea, KY 40403 • $59-302-2897 i.. 7� # �`.44 ' w • \ : i ,. . . . _ _ . , ,.. 1,„..„.0,._ ,.. . . j________-:--2:_____„-....--,________1 _ ___________ ______FI_.. Ir------r 1 ___ _________-----------,__---- -I+: .111, 1 _It\ , �� :.„ . . , "+, yq $Y !l S YC�I�� �.r a ' 'tom,�,,y�i1 y',�grW.r�- A �J/ o. s'7 _ zy 1f "R �'L -c. �}1 �� Photograph 1. House with evidence of bat use, most likely Big brown bat (Eptesicus fuscus). • 40 k ! • ,I ` e —44 riet' I . • / .-,0 11.4 *• . .• PO Box 1093, Berea, KY 40403 • 859-302-2897 Photograph 2. Access point for bats, note dark stains in center, this is where bats land and enter. , • Photograph 3. Guano (bat droppings)found below the access point. PO Box lo93, Berea, KY 40403 • 859-302-2897 - • • :....-, 111145/1111-111: " \ 9•;::. %- . ram4 r� $.� -. I 0 ,xa k,, Ffr IC, ,ar , ., ,1, , yt rRti off fie+ . a ' � ', p.1;� 4V,t r " �xs f f � r w ,', ' •'. , F ` ,; ( ^ .. yam.' — -- "1 E �r o- yr '��.. . . --- x'_. - - �`F '-.. �iR F r-�� Photograph 4. Spring box. 1 -fie 1 y--- ,,,f. . • i I ••_ - ` / ,,. t/1 1 Y- _ ,\ JL • • T, �� i_ . _, . "E 4: • f . • * • t. •,' N a . i Photograph 5. Old metal tank with opening in wooded area. PO Box io93, Berea, KY 40403 • 859-302-2897 y 4 k )r ir Y ` ; !" a" - ,; � •:'' ' :�*. w t .i t *r - 0 Photograph 6. Mid-slope forested road (flight) corridor. 0, '.• - w G ,�y ,yam.. 11`_ ili),l °M,1 `` Vil • a - X:-�x_ ...:er K - 9 .--t a rs 1 R.. ea+iL,'cG . IPP - nv, ` A t d•' ..,ems _ - x t Photograph 7. Ridgetop road (flight) corridor. PO Box lo93, Berea, KY 40403 • 859-302-2897 a • opt 111 R.; Photograph 8. Mid-slope pond, potential drinking and foraging habitat. PO Box lo93, Berea, KY 40403 • 859-302-2897 Attachment E Riparian Buffer Preservation/Impact Plan LEGEND Osgood LANDSCAPE ARCHITECTURE =11=11=11=11=nm PROPERTY BOUNDARY JOEL OSGOOD, RLA WETLAND �'� 14 CHURCH STREET - �� ASHEVILLE, NC 28801 �/ \ 828.527.6466 LINEAR WETLAND /410;I NON-JURISDICTIONAL WETLAND ♦I ♦ ♦I 4.1 17: NON-JURISDICTIONAL LINEAR WETLAND °:%4 ,.�.•� ♦ii♦i ��ffJ . SEAL EXISTING OPEN WATER �♦ Xli , 0 iti STREAM `` \ \-N i CULVERT TO REMAIN ( ���+ / �♦�♦� � RIPARIAN BUFFER 80'WIDTH : :\ (e i 4 TREE PROTECTION WITHIN RIPARIAN BUFFER -''"mo tea► \ N ---------- isise:isise:i:°is�:°�:i:°�:i:�:°�:i:�: :g:§ TREE REMOVAL & RESTORATION WITHIN RIPARIAN I'/A �i�i�♦ \ ISSUED immiiiiiiiiiii\ - :4:4i i4:4::44:44:4::44:44:4:i i BUFFER II \ PI NI\ NEW PLANTING WITHIN RIPARIAN BUFFER �, \ DATE ISSUED: 17-JUNE-2021 `4 w�,% DRAWN BY: ZAC, KMD, RJB RIPARIAN BUFFER SUMMARY I APPROVED BY: JJO PROJECT AREA 450.53 AC. ,��♦♦ /Ss. REVISIONS RIPARIAN BUFFER AREA 36.66 AC ,, �I \\ �, TREE PROTECTION WITHIN RIPARIAN BUFFER 22.99 AC / � t ��v �� ♦ ' C A, -0.- ,r,/ TREE REMOVAL & RESTORATION WITHIN 0.78 AC ��, ' `�� "- RIPARIAN BUFFER ����� '4*4 �`y NEW PLANTING WITHIN RIPARIAN BUFFER 0.78 AC \N \♦'�i + ♦ �.�� ♦ +ct '*Ok., v N`I®_ EXISTING TREE CANOPY, /'' L i\,.444.4`... ...._;_N--..., 42.11:;.....\_4.4....,:\: )___ !• . TYP. PRELIMINARY ` - \ NEW PLANTING WITHIN RIPARIAN BUFFER \_ � .� - RIPARIAN BUFFER TYP.•\ • �� ,� IMPACT PLAN � � / _ez' ' �"�I1111 Maik , SHEET TITLE . , ,.•. :..•. 44 r .: CLEARING & �'4 •._- .y RESTORATION WITHIN \ \ RIPARIAN BUFFER, TYP. /di • �y ;,�� //17 - .7---'s.:4. v TREE PROTECTION \ , ''*`` � =:-/ f ::*. WITHIN RIPARIAN — - �;.. A\\\ . . _Ikibt '� BUFFER, TYP. MULBERRY \ - FARM - 111_ RIPARIAN BUFFER, TYP. �'�` MADISON , LLC . MARSHALL NC -.!- / ;.,, PRELIMINARY lik. �� ^\\ // FOR REVIEW PURPOSES ONLY N,-.„,ar, 7441,4614f:-4:-..- \ NOT FOR CONSTRUCTION _,,.., ic#4,q.• 40 • '� � �• ►\�'///: 0' 15 0' 3 0 0' 600 \r: lb ii No ,* C SCALE: 1 " 300'-0" Ile ow ) y se L. 2 . 00 ' f' SHEET 2 OF 2 \l„, ,,ii 0 THE DRAWINGS,SPECIFICATIONS AND OTHER � ;\ � �� DOCUMENTS PREPARED BY OSGOOD LANDSCAPE _ _ ARCHITECTURE INC.FOR THIS PROJECT ARE INSTRUMENTS it OF THE LANDSCAPE ARCHITECTS SERVICE FOR USE `, - :�� SOLELY WITH RESPECT TO THIS PROJECT.REPRODUCTION OR USE OF THESE DRAWINGS OTHER THAN FOR THIS oh: 2'''''''..:': PROJECT WITHOUT WRITTEN CONSENT FROM THE ` `_ - LANDSCAPE ARCHITECT IS PROHIBITED.UNAUTHORIZED USE WILL BE SUBJECT TO LEGAL ACTION. �..- Copyright 2021 -Osgood Landscape Architecture,Inc. Attachment F BDA Planting Plans / I �� A / I '�/ \ / / / / / / . . . 00�ao _ �, I / / / / /// / / / / / / / / / , / / / / / / -... I V / / / / / Osgood // ,/ MATCHLINE REFER TO L-1 .03 I \ I� ,;;�'// // // / �" j ���_ _ A\ 4- / // LANDSCAPE ARCHITECTURE // / / / 46 I V �7 // // / / MATCHLINE REFER TO L-1 .01 .� /\ I I ®��1! I � JOEL OSGOOD, RLA / / / / / / / • \����j I // / // / / / / / / / / // a4/ .qb /r♦ / ./ , �� � ' 14 CHURCH STREET / / / dQ , , ���� /'�� I A / / / ASHEVILLE, NC 28801 / /// / / �. �� I �� / / /// - / / 828.527.6466 / 9 n:rz.. // / / / / / / / / 4/ // / Q a �J'• c•'rl �/ / �,pi / I / // / //I / / / /a Q '1'.0 ••: ' I / / / / / � a . (� . 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'Q ZONE B - LOWER RIPARIAN PLANTING \ i !AW0000 0000 • '+ + + 000 000 •`. • O QO . 0o0 '+ + + + + + + + + + + + + + + + + + + + + 000 . 0000 • 4004' 0000000 o000Ii1M• . • • •. 6p ► • • 00000 • • •N1 ` ? • d Q Q Q . . . • � � . Q . Q . Q Q/ a� • • • • 000 . 0 •l ++ • 00000000000;1 ,• 000`O . 000 0000 . 00u• O.• OA0»__T-+ ' _ . . • • • ••:� ,•7 00000 • . 0 . 00/0 • • • 0 . 000 • - . � Q �� . Q . . Q . Q . Q Q Q Q Q . a�' +/++++ + •• + + + + + + + + + + + + + + + + + + 0000 0000,�- O • 000 ii �1 �� a 1 . 0 . 00000. 0 •* + ' o0000000001/ (• 0000 • o-o-o ' + + + + + + + ,+ + + + + + + + + + + • oo • • • •r_ I1� . • 0000 . 000 . 0000 • .• _� \ ZONE 'C' - EMERGENT PLANTING a , ,. Iiiik a A.I Q Q Q �, , p , + Q , , 7O . 0000 ► 00+/+▪/ , Y + 00000000000 •; • 000000000 + + + + + + 44 + + + +• • • 00000+ + 0 . 0 . 0000000 0000 '�7 • 0000 . 000 . 060000600000a •� • , .�. a ,, , I - . . . . i Q -Q Q'. • �j •I 4.- . � 4, Q4 . 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I ' •Q / / o N AO - „g....... .. � / / SHEET 1 OF 5 / • / // �� lei �.Ni t ••• /.- --Ii4 -•-• A A a / / / / / / Ilk THE DRAWINGS,SPECIFICATIONS AND OTHER / < / / / ��_ \� \ `•� ,-- - I DOCUMENTS PREPARED BY OSGOOD LANDSCAPE I / 4 / / / / ,......� ARCHITECTURE INC.FOR THIS PROJECT ARE INSTRUMENTS / , a / // ALJ � �� �� 8-- OF THE LANDSCAPE ARCHITECTS SERVICE FOR USE ,_„, 4 / Niiii -�� ---_ __ -- A SOLELY WITH RESPECT TO THIS PROJECT.REPRODUCTION � _/ a __ �_ n020 __ _ _ _ _ / J C H E D L E OR USE OF THESE DRAWINGS OTHER THAN FOR THIS i� i• ! a // / // ( ( ' _ ��� i A S E E S H E ET L 00 FOR PLANTING PROJECT WITHOUT WRITTEN CONSENT FROM THE a / / / / - �� - �� -- ►� -_ A LANDSCAPE ARCHITECT IS PROHIBITED.UNAUTHORIZED a / / _�� //�� �� �� USE WILL BE SUBJECT TO LEGAL ACTION. • / __ \ 1� �- AND PLANTING CELL LAYOUT Copyright 2021 -Osgood Landscape Architecture,Inc. . / / / / / / / / / / / ' �l 9 _ . i �-�� \• 9 P - / Osgood \ \ N. \ \ \ \ \ \ \ : • .- e Q Q e Q\Q Q e Q Q --*4 1 • Q QQQ /Q Q e i►� Q Q Q Q ,�' :��. 0 • 0 0 0 O O • Ord++ + +«/+ 0 0 0 0 0 0 0 0 O O 0 0 0 O 0 .. 0-0-0 '++++ + +++++++ +++++++++++++ ++ \ \ \ I I 0 . 0000 • 00 + • 0000000000 •-, • 0000 • 0000 \ \ \ \ \ I Q e e '� Q \' Q Q ► Qr e Q • i ► Q e e ■ J ♦/+ + �+ + .► + + + + + + + + + + + + + e e e e e A . e + + + + • 0000000000I. 0000 • 0000 '+ + + + + + + + + + + + + Qe • e . < e e e e „�fre • 00 • 00 • / ,r + + + +' 000000000004 0000 . 0000 •\ Q 7 � �►■ + + + + + + + + + + + + + + + + + ,. 00 . e . .++++ + ++ + + + + + + + + + + + + + + \ Q O O � 000000000 •:. 000 .00OOo+ +▪+ + + + + + + + + + + + + ' + + + + + + + 00. 00000OOOOnCO00000000 + + + + + + + + - + + + + + + Q '" q � � i / � O • + + + + + + + + + + • 0 • 0000000004 • • 000 . 0000 ,+ + + + + + + + + + + + + + + + +I e Q , da , + + + + + + + + + + + + + + + + + + + + + + LANDSCAPE ARCHITECTURE /Q Q QQ + + + + + + + + + + + + + + + + + + + + I ' '4 Q Q. + + + . + + + OOO . 00OOOOOo000 . 00OO •+ + + + + + + + + + + + + + + + + + + + + + + + + + + + +SI ,� � '4 0 + + + + + + + + + + 0 . • • OOOOOOO 0OOOO000• e " g + + + + +! + + . 000 • • 00000e: . 000 • 0000r + + + + + + + + 4, + + + + + + + JOEL OSGOOD, RLA - I I I I I I 6 . 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Vim► / / / 1 1 �. I \ // / / .�, �1/\ ;, / L. 1 . 03 / / / / / / / / / / / �. _ ppp \ / // / / / / / / // / / / / / • • A A p�A A - -"� , 1 I I \ I / / / / / / /// / / / / / / / / / ,, / / / // / / ��1� � I / / I ;i/ \ / / / // / / / / / / / / 1 / / / I A / // / / / T . / %� I \ / / / / // W4.// I * / 1 I i / / / \ // / / / / SHEET 3 OF 5 MATCHLINE REFER TO L 1 .03 / / , a/, 6 ;A / / A il pifi4 , I p THE DRAWINGS,SPECIFICATIONS AND OTHER �� � � � � / / DOCUMENTS PREPARED BY OSGOOD LANDSCAPE ,/ d n./ 'I / / .. 7. 11(M/ / / ` ;IPP� �/� i I A\ / / / / / / / / ARCHITECTURE INC.FOR THIS PROJECT ARE INSTRUMENTS / � MATCHLINE REFER TO L-1 .01 // // a�J'. :�:1' I // OF THE LANDSCAPE ARCHITECT'S SERVICE FOR USE 7 ♦ I I SOLELY WITH RESPECT TO THIS PROJECT.REPRODUCTION / / / d �,r�•/O •%� I / I / / / / OR USE OF THESE DRAWINGS OTHER THAN FOR THIS / / , d �„ I0 // '� ° '=r� ' SEE SHEET L-2.00 FOR PLANTING SCHEDULE / d •� ♦ ,�� / PROJECT WITHOUT WRITTEN CONSENT FROM THE / / 4 �•� ♦ GIL I / LANDSCAPE ARCHITECT IS PROHIBITED.UNAUTHORIZED // Q A Q ►/O ♦Al1 A / USE WILL BE SUBJECT TO LEGAL ACTION. /' // /; - . aa� ,° -- I 6 �/'� AND PLANTING CELL LAYOUT ,._ / / / /// Q Q ,Er n0� �{` 1 / / / V / Copyright 2021 -Osgood Landscape Architecture,Inc. Map LAYOUT NOTES PLANTING CELL LAYOUT PLANTING SCHEDULE Osgood I. Do not scale site features from drawing. Q < - - o _ o o - o _ - oAD0000 _ 3 U 0 0( A. ° � Alp «L ° TREES LANDSCAPE ARCHITECTURE 2. Refer to architectural plans for building layout and dimensions. Q0 - - - _ _ _ - _ _ - _ - - Q Q Q ( ° 3. Tie in gutter and downspout to subsurface drainage systems, where applicable. All downspouts shall be routed to r ,001,01)46,041101KLILOOdiAL Q Q Q 0 _ - _ _ _ _ _ Q Q Q� KEY TOTAL SPECIES COMMON NAME SIZE NOTES JOEL OSGOOD, RLA subsurface drainage systems. Run-off discharge at pipe ends shall be treated with stone apron at a minimum. Q Q11**0 eete- _ - - - O O O ( 0. 14 CHURCH STREET 4. Tie in all proposed storm drainage to proposed storm inlets with a minimum of 12" cover over all pipe sections. Qle° - _ _ O O Opoi" 1 ASHEVILLE, NC 28801 5. Install temporary inlet protection for all inlets immediately after inlet has been installed. Q Q O O O ® ° ° / Existing Tree 828.527.6466 6. Contractor shall verify layout/staking and grades in field and notify Landscape Architect if any conflicts and/or Q - - - ° 0,4401440V 111 0 00,00,0te ambiguities arise. Q a Q 0 0 0 A I O __ ,.,. -A 1 k A j halle 1‘i ),... A 7. Grading contractor shall meet with Landscape Architect on site to review clearing, demolition, and grading prior _ 0 0 Q25 Acer rubrum Red Maple 1 5 gal Single leader to starting work. Q Q Q _ - - _ - - - - - 0 O O O 0.,„4.00v. %to. 8. Contractor shall be responsible for locating and protecting existing utilities and structures. Contact Landscape Q Q ail _ _ _ - - - Ore Q Q Q ( 4W-0410 Architect and applicable utility companies if conflicts arise, if existing conditions conflict with new construction, or Q - - = = - t t Et J O O O LLLel LLL LLL •0 J 1 1 I I LLL LLL LLL 51 Carpinus caroliniana American Hornbeam 15 gal Single leader if utility tie-in locations are required. Review tie-in locations and coordinate with building utility locations. ZONE 'A' - UPPER RIPARIAN - 1000 SQUARE FEET ZONE 'C' - EMERGENT ZONE - 1000 SQUARE FEET 9. Contractor shall extend all utilities (water, sewer, gas, electric, phone, etc.) from buildings to existing utilities (TOTAL AREA= 55,987 SF) (TOTAL AREA = 61,851 SF) underground and coordinate with local utility companies. 11 Corn us florida Dogwood 7 gal Single leader 10. Contractor is responsible for minimal disturbance of existing vegetation during installation of any and all 0 36 Aster cordifolius O 32 Rudbeckia hirta 0 53 Chelone lyonii 0 47 Lobelia siphilitica underground utilities. 0 135 Eragrostis spectabilis O 91 Sporobolus heterlepis ® 32 Juncus effusus 0 46 Osmunda cinnamomeum SEAL 1 1. Existing vegetation is not to be damaged or disturbed outside of clearing limits. = 12 Liriodendron tulipifera Tulip Poplar 15 gal Single leader 12. Layout all site elements in field prior to construction for approval by Landscape Architect. O XX Iris cristata O 33 Iris versicolor 0 XX Lobelia cardinalis 13. Layout and grades of proposed walks to be verified with Landscape Architect. 0 26 Iris virginica 14. Refer to landscape plan for plant material locations, landscape lighting (if applicable), and other landscape features. i i i i t t t 0 13 Quercus alba White Oak 15 gal Single leader 15. Extent of terraces and paving areas to be marked in the field for approval by Landscape Architect prior to U LJ 0++% C + + + - --- - - ° ° installing stone. ❑ ■ ❑ •■ + + + 11•1111110-010411011110111.1ablaremrolie C ■�■ ■ •dila* •etc4" + + + + + + OSIW„ ,41if#41111 MTh IP 41 Salix nigra Black Willow 15 gal Single leader ❑ n ❑ n + + + TREE PROTECTION NOTES • • • + + + ° ❑ u ❑ u + + + ■�■ ■ 7 riti + + + ,AlwatAIIP9119411lett SHRUBS "Shall" refers to a practice that is mandatory; "should" refers to a practice that is recommended. If a"should" ❑ ■ ❑ ■ 40 0000,4 + + + + + + fa 0■ ■ • 101/ O. KEY TOTAL SPECIES COMMON NAME SIZE NOTES recommendation will not be followed, written explanation must be provided to and approved by the Arborist and ■ . + + + Landscape Architect. ❑ ■ ❑ ■ + + + .11TAIPTOW17642 ‘4140104W+ Ap ■ ■ O + + + ° ■�■ *limp + + + IV o 121 Cephalanthus occidentalis Buttonbush 3 gal No cultivar I I. A root protection zone (RPZ) shall be established around the trees identified by Arborist and Landscape Architect rl •■ •rl ■ + + + - - - - - - - _® 0 for protection. ZONE 'B' - LOWER RIPARIAN ZONE- 1000 SQUARE FEET ZONE 'D' - SUBMERGENT ZONE - 1000 SQUARE FEET (TOTAL AREA= ISSUED 2. No work shall begin until the tree protection fencing has been installed for this rpz and approved by the Arborist (TOTAL AREA= 13,655 SF) 44,596 SF) • 53 Cornus amomum Silky Dogwood 3 gal No cultivar and Landscape Architect. Tree protection fencing shall be maintained and repaired by the contractor during construction. The fencing shall be a minimum of 4' height. O 34 Asclepias incarnata 0 68 Packera aurea ® 62 Juncus effusus 34 Scirpus cyperinus 3. Any linear excavation for utility lines, foundations, roads, and sidewalks is considered trenching. No trenching O 497 Carex ens Ivanica and/or Carex stricta 27 Impatiens capensis 49 Hamamelis virginiana Witch Hazel 3 gal No cultivar DATE ISSUED: 18 JUNE 202 1 should be allowed within the rpz. P y P P O 32 Iris versicolor 85 Sagittaria fasciculata 4. Tree branches in conflict with construction shall be cut cleanly according to proper pruning methods, only after C 49 Chelone lyonii 36 Iris virginica Arborist and Landscape Architect approval. O DRAWN BY: ZAC, KMD, RJB 34 Kalmia latifolia Mountain Laurel 3 gal No cultivar 5. Trees which are damaged or lost due to the contractor's negligence during construction shall be mitigated. 6. When preparing proposed landscape beds, do not till within the drip line of existing vegetation. APPROVED BY: JJO 7. The protected area shall be maintained at its original grade, with no storage of fill, compaction of soil or trenching or cutting of tree roots. In no event shall motorized vehicles or equipment enter the protected area. PERENNIALS / GROUND COVERS / FERNS 8. The contractor shall not cause or allow the cleaning of equipment, storage or disposal of materials such as paints, REVISIONS solvents, asphalt, concrete, or any material that can damage the health of vegetation within the drip line of PLANT ZONE TOTAL SPECIES COMMON NAME SIZE NOTES protected vegetation or to flow into the RPZ. 9. No attachment of wires (exclusive of protective guide wires), signs, or permits shall be fastened to vegetation within the protected area. B 464 Asclepias incarnata Swamp Milkweed LP50 Full plant 10. All clearing and grubbing within the protected area shall be done with HAND TOOLS ONLY and under the direction of the Landscape Architect and Arborist. 1 1. All existing trees shown on plan are per field survey. Contact Landscape Architect if ambiguities arise regarding A 2,016 Aster cordifolius Blue Wood Aster LP50 Full plant trees to remain. 12. ENHANCED/RIGID Tree Protection Fence shall be installed around all Specimen Oaks with metal posts and rails Carex pensylvanica and/or Tussock or with green, black, or brown mesh fencing preferred. B 6,787 Carex stricta Pennsylvania Sedge LP50 Full plant 13. Construction access and staging to take place south of existing oaks and rigid fencing to remain in place throughout construction as indicated on the plan. B,C 4,299 Chelone lyonii Pink Turtlehead LP50 Full plant PLANTING NOTES A 7,558 Eragrostis spectabilis Purple Love Grass LP50 Full plant 1. All vegetation shall meet the minimum size requirements indicated in the plant schedule. B 369 Impatiens capensis Jewelweed LP50 Full plant 2. All plants must meet the requirements of the most recent edition of the American Standards for Nursery Stock, ANSI 260.1. Plants must be healthy,well-branched, and free of disease and insect infestation. Landscape Architect reserves the right to reject any plant material. A X Iris cristata Dwarf Crested Iris LP50 Full plant 3. Mulch slopes and all other shrub and planting areas with aged double ground, shredded hardwood mulch no more or less than 2-3" in depth as directed by Landscape Architect. Mulch should be aged a minimum of six months and shall B D A PLANTING be free of weed seeds, soil, roots, or any other substance not consisting of either bole or branch wood and bark. C,D 3,468 Iris versicolor Blue Flag LP50 Full plant Top hardwood mulch with a 1" layer of leaf mulch to blend area with surrounding natural landscape. S C H E D U L E A N D 4. Contractor shall verify quantities and is responsible for all plants shown on the plan. C,D 3,213 Iris virginica Southern Blue Flag LP50 Full plant 5. Contractor shall guarantee all plantings for one year from completion of work unless otherwise directed by Owners. NOTES Replacement plants and labor shall be provided at contractor's expense. 6. Prune plant material only as directed by Landscape Architect. Shrubs &trees shall not have sheared appearance. C,D 4,744 Juncus effusus Common Rush LP50 Full plant SHEET TITLE 7. Existing plants to remain shall be flagged for approval by owner and Landscape Architect. Protection of existing trees and/or vegetation is considered to be incidental to the work 8. Areas under existing tree drip lines are not to be tilled. Hand digging ONLY in these areas. C X Lobelia cardinalis Cardinal Flower LP50 Full plant PLANTING SEQUENCE NOTES C 2,907 Lobelia siphilitica Blue Cardinal Flower LP50 Full plant I. Establish utility locations and subsurface drainage locations prior to digging. Consult construction manager and/or call C 2,845 Osmunda cinnamomeum Cinnamon Fern LP50 Full plant 1-800-632-4949. 2. Final planting locations subject to landscape architect and/or owner review before digging. M U L B E R R Y 3. Temporary seeding shall be installed within 21 calendar days following completion of any phase of grading. B 929 Packera aurea Golden Groundsel LP50 Full plant 4. Refer to erosion control drawings via civil engineer for construction sequence. And ensure erosion control measures FARM - are established and maintained before any fine grading. 5. Begin fine grading and hardscape paving area per architect, civil, and landscape architect plans. A 1 ,792 Rudbeckia hirta Black-eyed Susan LP50 Full plant M A D I S O N L L C 6. Upon completion of fine grading and paving, install permanent vegetative plantings and cover within 15 working days 5 following completion of site construction. 7. After site is stabilized and plantings are established, remove all temporary erosion control measures and complete D 3,791 Sagittaria fasciculata Duck Potato LP50 Full plant permanent planting M A R S H A L L N C 8. Irrigation via hand watering or other means will be required for the first 12 months with 1" per week for plantings unless otherwise directed. D 1 ,516 Scirpus cyperinus Wool Grass LP50 Full plant A 5,095 Sporobolus heterlepis Praire Dropseed LP50 Full plant PRELIMINARY FOR REVIEW PURPOSES ONLY NOT FOR CONSTRUCTION NOTE: 1 . ALTERNATE AND SIMILAR NATIVE PLANTS SPECIES THAT MAY BE USED: N 1 .1 . CAREX COMOSA 1 .2. CAREX SQUARROSA 1 .3. PELTANDRA VIRGINICA o' 10' 20' 40' 1 .4. ELEOCHARIS OBTUSA SCALE: 1 " = 20'-0" 1 .5. EUPATORIUM PURPUREUM 1 .6. ORONTIUM AQUATICUM 1 .7. NYMPHEA ODORATA 2. CONTRACTOR SHALL SEEK APPROVAL FROM LANDSCAPE ARCHITECT PRIOR TO ANY PLANT SPECIES AND/OR CULTIVAR SUBSITUTIONS L. 2 . 00 SHEET 5 OF 5 THE DRAWINGS,SPECIFICATIONS AND OTHER DOCUMENTS PREPARED BY OSGOOD LANDSCAPE ARCHITECTURE INC.FOR THIS PROJECT ARE INSTRUMENTS OF THE LANDSCAPE ARCHITECT'S SERVICE FOR USE SOLELY WITH RESPECT TO THIS PROJECT.REPRODUCTION OR USE OF THESE DRAWINGS OTHER THAN FOR THIS PROJECT WITHOUT WRITTEN CONSENT FROM THE LANDSCAPE ARCHITECT IS PROHIBITED.UNAUTHORIZED USE WILL BE SUBJECT TO LEGAL ACTION. Copyright 2021 -Osgood Landscape Architecture,Inc. Attachment G Supplemental Bald Eagle Effects determination 1��� CONSERVATION `% ECOLOGY LLC 111111114111.1, 6 Penny Ct., Hendersonville, NC 28739 828.772.9007 I chris@conservatIonecologyllc.com Wildlife Biodiversity Assessment School of Wholeness and Enlightenment (SOWE), Mulberry Gap Farm Walnut, Maddison County, North Carolina, Friday, August 28, 2020 ADDENEDUM REGARDING BALD EAGLE OBSERVATION Christopher R. Wilson Friday, May 28, 2021 The Wildlife Biodiversity Assessment included avian surveys between February and July 2020, which documented 69 species of birds using the site as well as one flyover observation of an adult pair of Bald Eagles on April 16, 2020.These eagles soared by at a high elevation and are believed to be transient individuals. Bald Eagles (Haliaeetus leucocephalus) were removed from the endangered species list in August 2007 because their populations recovered sufficiently. However, Bald and Golden eagles are still protected under the Migratory Bird Treaty Act (MBTA) and the Bald and Golden Eagle Act (Eagle Act). Bald Eagles live near rivers, lakes, and marshes where they can find fish, their staple food. Bald Eagles will also feed on waterfowl, turtles, rabbits, snakes, and other small animals and carrion. Bald Eagles require a good food base, perching areas, and nesting sites. Their habitat includes estuaries, large lakes, reservoirs, rivers, and some seacoasts. In regions where they over-winter, the birds congregate near open water in tall trees for spotting prey and night roosts for sheltering. No Bald Eagle nests were observed on site. The Thomas Branch and Hopewell Branch on the site are small creeks that are too small to serve as a suitable feeding source for Bald Eagles. The nearest known suitable feeding source for Bald Eagle is the French Broad River which is over 1 mile from the project. Due to poor-quality habitat on site, lack of nest observations, lack of repeated observations of the birds during the surveys, and lack of known nesting occurrences in the vicinity, it is my opinion that the proposed project activities on the School of Wholeness and Enlightenment (SOWE), Mulberry Gap Farm project are not likely to adversely affect the Bald Eagle. Additionally, a review of the NCNHP database on May 28, 2021 revealed no known occurrences of any Federally protected species within 1 mile of the project study area. Christopher R Wilson Attachment H Project Justification & Design Narrative For Proposed Beaver Darn Analogs Project Justification & Design Narrative For Proposed Beaver Dam Analogs Prepared for titropepip The School of Wholeness & Enlightenment A -. Madison County, NC , - ,,, July 9, 2021 ," . -,, .� ��. �.,,: 1 �' 1 ` Via• . . Nv :;•; - 7 :. x:. :ter' .. :•�• �•,,.. 'ti',r..y+w.- fir• -; _i... _..._ _ ^jaw 'wn- :...: 4:--. • P. ,i2. .-ViN , --e 7re..I R' ,' 4ire �. yrr. • ~ Robinson • ~ Design ~ Engineers .: 4 ` A tip, •- , ..ry' mat M-} .� .�� fn ..: .. .. �^' - 2 TABLE OF CONTENTS 1. EXECUTIVE SUMMARY 4 2. LAND USE LEGACIES 5 3. PROJECT JUSTIFICATION 8 3.1 THE STREAM EVOLUTION MODEL 10 3.2 PROCESS DOMAINS 13 3.3 CONNECTIVITY PARADIGM 14 3.4 BEAVER HYDROLOGIC HABITAT 16 4. DESIGN 19 4.1 DESIGN APPROACH 19 4.1.1 RESTORATION PRINCIPALS 19 4.1.2 RESTORATION TECHNIQUES 20 4.2 BDA TYPE SELECTION 21 4.3 PROPOSED FEATURES 22 4.3.1 BEAVER POOL DESIGN 22 4.3.2 TB4 23 4.3.3 ADDITIONAL WOODY STRUCTURES 24 4.3.4 FLOW DIVERSION DEVICES 24 4.3.5 BDA DEGRADATION ANALYSIS 25 4.3.6 EROSION CONTROL 25 4.3.7 VEGETATION 25 REFERENCES 29 APPENDIX 36 3 LIST OF FIGURES Figure 1: Madison County Soil Survey(1942) Figure 2: Site Photographs(summer 2020) Figure 3:Aggradational Deposits in Fluvial Systems Figure 4: Cluer&Thorne's Stream Evolution Model (SEM) Figure 5: Process-Driven Ecological Benefits Associated with SEM Stages Figure 6: Connectivity Concept Overlay Figure 7: Riparian Hydrologic Drought 4 1. EXECUTIVE SUMMARY The School of Wholeness and Enlightenment(SoWE) envisions a transformation of their land from a series of degraded streams and abandoned agricultural fields into flourishing native habitat. If their motives are not pure, it is only because they do not want to foster this naturally beautiful aesthetic within a vacuum of wilderness without humans in it. Rather,they would put the natural landscape and the wildlife it attracts on full display to visitors of their proposed new campus. Robinson Design Engineers(RDE)finds the project goals commendable, and we are proud to serve as the liaison to these efforts. Currently, the streams on SoWE's property are narrow, racing trickles, and even when these streams emerge from confined, gorge-like valleys into valley flats, the channels remain simplified and homogenous and disconnected from their floodplains. This is not a new condition, nor sadly is it a unique case. Even if all human activity in the watershed ceased today, the streams on site would evolve through a slow adaptation to legacy effects of land use, cycling through further degradation and widening. Riparian corridors would suffer increasing levels of Riparian Hydrologic Drought, and it would take many human lifetimes before wetlands would expand, riparian zones would flourish, and the streams would sustain themselves as sediment sinks instead of sediment sources. At SoWE, we have a unique opportunity to repair stream to land connectivity, even as human activity within the watershed increases!The broad and flat terrain near the confluence of Hopewell and Thomas branch is ideally suited for a wetland-stream complex using biomimicry of one ecosystem engineer's formerly ubiquitous handiwork. Anastomosing streams flowing through dense wetland areas and buffered by wide riparian corridors, known as Stage 0, prevailed for eons, as they were designed and sustained by Castor canadensis carolinensis, the carolina beaver. Rewilding beaver colonies is problematic in most of the developed world for societal reasons, but not on ecological grounds. As an alternative to beaver reintroduction, many practitioners across the globe are emulating this master builder by establishing"Beaver Dam Analogs"(BDAs)that generate food and forage supporting the life cycles of plants, animals, and other living things coevolved to the patch dynamics fostered by this keystone species. Broad valleys with productive soils are naturally scarce in Madison County, and because they are scarce,they have been preferentially developed for agriculture or transportation infrastructure. Proposing BDAs and the Stage 8 restoration approach is only possible because SoWE is relinquishing these valuable flatlands from development. The intent of the BDAs on this project site is to enhance the physical,chemical, and biological integrity of the surface waters and wetlands to be featured as an attraction for visitors to the School. An obvious co-benefit of this project approach is that it will slow the flow of water, passively rebuild stream beds and banks, phytoremediate runoff, and provide habitat that enhances Waters of the US held in the public trust. The inevitable result of BDAs is the sustenance of streams and expansion of wetlands. In this way, the project approach effectively removes the stream corridor from future development. 5 In our experience, Natural Channel Design methods tend to offer a short cut to decreased sediment transfer rates in the short term, yet they are at high risk for failure and tend not to deliver long term habitat improvements. Here at SoWE,we have an unusual opportunity to work with pioneering clients to develop the land with integrity and leave it better than we found it. Based on our research experience and observation of beaver in their natural environment, we feel confident that BDAs will foster the truest to natural design available for this project site with the highest level of ecological benefits sustained. 2. LAND USE LEGACIES Legacy effects of rapid sediment exchange caused by forest clearing and agricultural cultivation, affecting both uplands and valley bottoms, drastically altered the southeastern landscape, primarily over the course of the early 19th to early 20th centuries(Trimble 1975;Jackson et al. 2005;Walter&Merritts 2008;Wohl 2019; Ferguson 1999; Dearman &James 2019). Hugh Hammond Bennett, who grew up in North Carolina's Piedmont amongst row-cropped tobacco farms, wrote prolifically over the course of the 1930's to draw national attention to the degradation of his southeastern home:"This paper is not primarily concerned with the effects of normal or natural erosion, except as a basis for comparison. It pertains to changed physical, chemical, and biologic conditions resulting from abnormal erosion, the accelerated soil washing following man's activities, his free use of axe and plow and the overcrowding of live stock upon sloping ranges"(Bennett 1932, pg. 385). It was Bennett who secured federal funding to establish the Soil Erosion Service, which became the Soil Conservation Service, now known as the Natural Resources Conservation Service (NRCS) (Helms 2008; Sporcic&Skidmore 2011). Missing from the forest floor, missing from the valley bottoms, untold volumes of topsoil forever lost, wasted away, carried off downstream and buried under yet another blanket of eroded deposits — the infertile subsoil,friable parent material, weathered rock, and jagged gravel pieces exposed when the forest floor vanished. All of this missing water holding capacity, not to mention plant available nutrients and the microorganisms that make it so, have forever changed the hydrogeomorphic processes at work in this landscape, shown in Fig. 1 below in a soil map from 1942 checkered with varying designations of`accelerated erosion,'which is to say, anthropogenic process disruption. 6 _ -- — - •-••p4` .0' my 5(1 �r \ ,-Af R _ t� • � Hcr,Aim • r �k(li e ' .., ,,,,, . wic,-rM �,t:�Tlrl •, ,•" / _r - -:7-- ' ----•.5 .„et,/ .....„._ I ---.:. 71 -__•-, i ; _ . It Qif :,..,._ S ,4* -1.11),' e :i H Im h t r.• N fT1 h s_ 1 y "' h..3.-: '.."-N IT r T -- r if ;"*.iiii...-, :- •IP -..:, - - � l 1 H m ,¢4 '� = �� r fip I_ / 7Th r y ; ACCELERATED EROSION :s", Sj �J ,, ! S Moderate sheet erosion SS Severe sheet erosion - af limb . /- fiC)� ,, G Moderate gully erosion w _ GG Severe gully erosion 10 �t '�( � �i', N a SG Moderate sheet and gully erosion Gully Fig. 1:The map above has been adapted from the Soil Survey of Madison County by Goldston et al. (1942a)to highlight the project area(roughly circled)and includes the part of the legend referring to accelerated erosion. The soil scientists who mapped Madison County in the early 1940's have this to say about the conditions of mountain streams in the region: "As a whole, Madison County is rough and rugged, as most of the mountain slopes are very steep — in some places precipitous. The streams have played a major part in making the relief what it is today. In places they have cut valleys several hundred feet deep, and in some places these valleys, or gorges, are flanked by precipitous walls. [...]Streams have dissected these low, steep hills so badly that comparatively little level land remains. [...] Slopes to streams are steep, and only in very few places does any bottom land occur at the foot of these slopes or along the streams. [...]The streams have thoroughly dissected the Blue Ridge Plateau. They have cut very narrow V-shaped valleys and gorges and have created an extremely rugged land form. Drainage is good to excessive. The streams are swift and transport large quantities of material."(Goldston et al. 1942b, pg. 3-4) The legacy effects of land use are still in evidence on the property today. Where native hydrophilic vegetation is able to reach deep to the water table lowered to meet the base level of incised streams, roots dangle from cut banks and will soon crumble and fall into the flow, if they haven't already(Fig. 2A). Such slumped material,jagged gravel pieces, and steep banks are all too familiar to us. Gullies are on nearly every site we visit. Some 7 portions of the streams look little better than excavated roadside ditches. The lawn is kept closely clipped on either side, and the presence of grass is in and of itself an indication the stream is currently unable to support obligate wetland plants (Fig. 2B). �' s :�� v'sg n v 1 'it I h /i ` JIi[ �B f`,0 i ti ea a Q ;. , �3 :ayes}s' -_ *� � � , '« V r rW- -_ 4,.- � ,t� !, + ri , - Fig.2:These photos depict streams visited in August of 2020 on the project site.The photo on the left(A)shows Hopewell Branch and demonstrates how incision triggers Riparian Hydrologic Drought. The photo on the right(B)shows Thomas Branch hardly able to sustain baseflow. Shifting Baselines Syndrome (SBS) is a term that describes a phenomenon concerning regulatory standards of ecosystem management. Stemming from fisheries science, where regulations such as catch limits are established with a recent past condition set as the standard for return to a state of equilibrium, misremembered prior conditions often result in successive lowering of expectations through `generational amnesia'over human lifetimes, as the impairments of one generation are adopted as baselines of the next(Campbell et al.,2009; Papworth et al. 2008). Generational amnesia seems an apt diagnosis regarding society's expectations of stream form and function in the southeast, as the Carolinas establish Reference Hydraulic Geometry Curves, or design stream dimensions based on regression curve analysis of`reference condition'channel form. This method of comparative analysis, while useful for understanding trends between a watershed's drainage area and response variables of channel slope, width,depth, etc., could dictate prescriptive stream form measurements that do not take into account the highly variable landscape context of mountain streams and the omnipresent, underlying co-morbidities impairing them, not to mention the wide error bands recognizing variation along the fitted regression equation. How would it look and feel to restore and conserve these relatively flat alluvial systems? Historical evidence and recent scholarship strongly suggest that this hydrologic landscape should be a sluggish, productive backwater marsh, created by a pleasingly-messy series of small and frequent beaver dams. Here, in this mountainous Madison County context, that would mean willow, birch, and other native riparian trees would ring upstream areas of the marsh;dead and down trees would stand a slant in its chesty backwater, providing perches and nesting cavities for birds and bats. If you plodded into the ponded water your step fall would sink into silt and leaves.The sweet smell of decomposing organic material would waft through the air. Heterotroph invertebrates of this system, so-called"shredders", 8 can be five times more abundant in this habitat than in single-thread channels. Because of the topographic complexity and the tenacious vegetation, the ponded water would frustrate anglers, but native fauna would thrive.Warblers, sandpipers, and flycatchers would perch in the overhanging willows;peepers(frogs)would provide a twilight symphony, croaking along the marshy aprons;the deep, cool pools and refuge channels would provide abundant trout shelter; and otters may eventually chase these trout through the submerged branches of downed trees. To recover this waterway to pre-settlement conditions is impossible. To stabilize it and keep it just the same as it is today by using, for example, `natural channel design,'would be to preserve a blighted system. The overarching goal of our work is to repair the disconnected valleys and simplified streams by fostering conditions that can support a thriving wetland complex and the positive feedback loops unleashed by working with, not against nature.This work will restore natural processes that slow the flow of water, increase floodplain soil fertility, enable hyporheic groundwater exchange, and provide suitable habitat for the return of rare mountain wetland plant species within the perpetual care of an environmentally conscientious land stewardship program at SoWE. This design narrative presents our research to provide justification that Beaver Dam Analogue structures(BDAs) are the most promising means to accomplish the goal of restoring these streams into their native and natural state — a stream-wetland complex. This narrative also presents our design approach to building these wetland complex systems,outlines regulatory considerations, and provides schematic design drawings, example materials, and case studies to help guide the project. We recognize that the approach we are taking using BDAs is novel in the Carolinas, but rest assured, it is nothing new, and it is being implemented successfully across the nation. 3. PROJECT JUSTIFICATION In 2003 Glen Albrecht, an Australian philosopher, coined solastalgia, a word for the emotional distress we feel at witnessing the destruction of beloved homelands. Albrecht's neologism, which drew from the roots for comfort and pain, had its origins in the territory of New South Wales, where open-pit coal mining destroyed hundreds of square kilometers and inflicted deep psychic wounds on residents. In four syllables solastalgia captured the Anthropocene and its discontent: the dissonance of change, the rapidity of loss, the disorientation wrought by environmental grief. "Solastalgia, simply put,'Albrecht wrote, 'is'the homesickness you have when you are still at home" (Goldfarb 2018,pg.239) Land development typically limits undisturbed natural areas to the fringes of parcel boundaries,so that scrappy wilderness patches are normal and expected. Instead of this usual development pattern, the School of Wholeness and Enlightenment(SoWE) aims to integrate the preservation of natural areas into every aspect of the campus it has envisioned. We commend the architect's vision to first restore the land, unlock its natural beauty, and then build human interfaces within these natural systems. We have been working closely as a team during the design process to foster a rare relationship at SoWE. Instead of subjecting the existing conditions to suit the built environment, this project 9 seeks first and foremost to develop a flourishing natural environment, and then to thoughtfully tie in the human infrastructure. The form of a stream is an expression of the history of the surrounding landscape (both natural and anthropogenic) and regional climatic variables, which influence the mass balance of water, sediment, and organic material transferred from the contributing drainage area into valley bottoms, shaping waterways(Knighton 1984;Julien&Raslan 1998; Brooks et al. 2012; Kasprak et al. 2016; Leopold et al. 2020;Wohl 2020). Few of these factors remain static, and fluctuations in water, sediment, and wood affect stream form both along a spatial and temporal continuum. Montgomery and Buffington (1997) note that unlike low-gradient stream networks, high- energy mountain drainage basins are prone to external forcing by constraints such as confinement within a narrow valley, shallow bedrock outcroppings, natural woody debris pileups, and the influence of anchoring riparian vegetation, all of which force morphologies that would otherwise, in an analogous unobstructed flow pattern, take on the morphology of a higher energy system. Studies conducted in the Pacific Northwest demonstrate that log jams and woody debris pileups have the capacity to create aggradational deposits over streams that would otherwise flow across exposed bedrock and that the systematic removal of these naturally-accumulating obstructions have reduced backwater sloughs, side channels, and meandering headwater tributaries to a more simplistic single-threaded planform (Montgomery et al. 1996;Sedell &Froggat 1985, see Fig. 3). Wohl (2013) suggests that research conducted in the Pacific Northwest offers insight into the role beaver once played in shaping North American rivers, as most thorough fluvial geomorphic investigations have occurred in streams that suffered deforestation, beaver extirpation, and obstruction removal long before the scientists arrived to study them with contemporary quantification methods. Sandstone Creek �arrisburg 4. 4, C I INA 4 iy i 4 . ),, , , ..wo.. ( �" .91 d 0 e\z OA ,41). ::, IR .iii.` :--i 0 Upper Black Creek 1 t r , .%, i d "NINr r4C �` r Lower Black Creek k r /�' \-.___..,_ N ', McKenzie RiverA� 100" 1854 1910 1946 1967 Fig.3: On the left, a diagram from Montgomery et al. (1996)depicts stores of sediment(grey hatching) raising stream beds behind natural debris jams(marked as an X). On the right, Sedell &Froggatt(1984)depict the loss of planform heterogeneity to the Willamette River in Oregon over time. 10 A contentious debate within the field of river restoration in the US hinges on one classification system, the Rosgen classification system and method of`natural channel design' (Malakoff 2004; Kondolf 2006; Simon et al. 2007; Rosgen 2008; Simon et al. 2008; Lave 2008). Kasprak et al. (2016)found that Rosgen's Classification system aligned well with the River Styles Framework of Brierly and Fryirs(2013), popular in Australia, but that both classification systems failed to accurately predict processes in streams with significant anthropogenic disturbances and biotic controls, such as beaver activity and cattle grazing. Nevertheless, aspects of Rosgen's method have become so entrenched in the regulatory permitting process for stream restoration, compliance is all but mandatory, as other restoration methods have adopted aspects of Rosgen's approach. River restoration efforts typically focus on the geometry of channels with the goals of reducing and then balancing sediment loads at the reach scale, effectively attempting to turn every reach into a sediment transfer zone. This perpetuates an erroneous approach to management of the alluvial channel system and may partially explain why the regeneration of high-quality habitat remains limited (Doyle &Shields 2012) and restoration of freshwater ecosystems remains elusive (Bernhardt&Palmer 2011). Conceptual frameworks for understanding the spatial and temporal processes affecting stream geometry and its effects will be discussed in this section on Project Justification, including the concepts of stream evolution, process domains, and connectivity. Within these concept clarifications, we offer corresponding limitations to Natural Channel Design. We conclude this section with specific justification for mimicking beaver activity as a water resource conservation and enhancement project.This context will provide a foundation for the next section on our Design Approach, which proposes an intervention that is built to recover within the recurrence intervals of natural and anthropogenic disturbance regimes (e.g.storms and construction), rather than to rigidly hold form in spite of inevitable changes and disturbance within the watershed, as Natural Channel Design methodologies would. 3.1 The Stream Evolution Model Schumm's(1997) Channel Evolution Model (CEM)provides a framework for stream form alternatives by helping to predict the natural evolutionary sequence of streams as they adapt to disruptions both natural and anthropogenic.Assumptions inherent in Schumm's Channel Evolution Model (CEM) include the Stage I precursor form, which presupposes that undisrupted streams have a single-threaded planform;whereas growing evidence suggests that single-threaded channels are a symptom of beaver extirpation, natural debris obstruction removal, and active straightening,or channelization, of streams, and do not adequately describe the precursor stage of undisrupted streams which would exhibit an anastomosing or braided planform of wetland complexes and vegetated isles interrupting and separating streamflow(Naiman et al. 1988;Walter& Merritts 2008;Wohl 2013; Cluer&Thorne 2014; Pollock et al. 2014; Goldfarb 2018). Cluer&Thorne (2014) adapted Schumm's CEM to incorporate this relatively recently understood precursor stage (Stage 0 Anastomosing) and provide further detail on complex responses of streams to anthropogenic disruptions of mass balance equations of sediment, water, and wood in 11 streams — the Stream Evolution Model (SEM). Another important difference in Cluer& Thorne's(2014)expansion on Schumm's concept is that they have redrawn the progression of stages into a cyclical, not linear progression, where Stages 0—4 can become stuck in a feedback loop not unlike a"short-circuit,"where downcutting and widening can be triggered over and over again (see Fig. 4). STAGE O Amstomoslog Anastomosing Wet Woodland Grassed Wetland neeiS Ittf Ot STAGED STAGEI Anasto[nosing Sinuous Slntle T�nead STAGE! ' ill!zffit \ pneliaed �'Rsan Aa ler •-arron STAGEI STAGEI o Laterally RCM! n ' Detrada[rnrs = Harrowing ;;: II. • G , If 1� • . STAGE le STAGE Arwood Datrsdatlon 4,„ pua[!Equilibrium a Dotrahtlen and WldwrMg h'14 rxti n>n, ernl� W.JNi r r a STAGES S �� AEtradation and Wodwand macwed w [Harped*wend ltimatii RUIN., Jumped Fig.4: Cluer&Thorne's (2014)Stream Evolution Model (SEM) adapts the Channel Evolution Model (Schumm 1977) to include a precursor stage (Stage 0)to better represent predisturbance conditions, two successor stages to cover late-stage evolution, and a cyclical rather than linear progression. Dashed arrows indicate `short-circuits'in the normal progression, indicating for example that a Stage 0 stream can evolve to Stage 1 and recover to Stage 0, a Stage 4-3-4 shortcircuit,which occurs when multiple head cuts migrate through a reach and which may be particularly destructive. Arrows outside the circle represent'dead end'stages,constructed and maintained (2) and arrested (3s) where an erosion-resistant layer in the local lithology stabilizes incised channel banks. The Stream Evolution Model &Limitations of Natural Channel Design The channels in most alluvial reaches are restored from Stage 3 to Stage 6 forms in the Stream Evolution Model (SEM, see Fig. 4). These relatively low value forms are then preserved through contrived stabilization measures. In a recent webinar, Colin Thorne suggested that another`arrested'stage could be included as an offshoot to Stage 6 (Quasi-equilibrium)where restoration activities halt lateral activity at Stage 7 through biotechnical revetments of beds and banks,just as with Stage 3a(Thorne 2020). The only way out of this short-circuit cycle of degradational process, according Cluer&Thorne (2014), is through the eventual longitudinal gradient stabilization of sufficient degradation and widening at Stage 5 for the stream to recover a terraced floodplain of alluvial deposition inset in the large, degraded former channel boundaries. This hypothesis is 12 supported by the literature on stream competence, as for example, Montgomery& Buffington (1997) point to the availability and limitations of sediment supply as a driving factor in the form a stream takes. Even though using soft engineering and natural materials such as biotechnical revetments and large wood have become common, stabilization impedes the fluvial processes that could drive continued evolution to the substantially more resilient and ecologically valuable Stages 7 and 8. STAGE 0 4 Anasaomorin. Kay to pereentag.o1 Zfen.frtl 100E Aimb� ,mains N a STAGE S Anrp� .l.a.r STAGFI Srnuo.a Slnib Three! 040STAGE 1 ,,,. pa Ae.+•-•hOk • Is c...yeoU -MEixN[nvw�+nexww+ 01 -[aanno.am F.c.o.n Eeawrea GI .....— STAGE T O K1.Jn STAG!3 al Fa[.rlEly AW. ' Oalodatbn -NAum e ' 4 QD =1 EIaW+.W EcAyAem&Arks Tame I I wmm. " sr I i Waur(h.1nY STAGE IJ • a AGF3 STAGE 6 I I yen STAG" Anoand ov51::axbn 4WFl Eywl.enum I i neol�e O o.v»amen and wlee.un! a e Z ./ • STAGE S AylrWubn Awl WAlenlnt a Fig.5: Cluer&Thorne (2014)offer in this diagram a demonstration of associated physical characteristics and ecosystem benefits associated with each Stage of stream evolution (shown in Fig. 4). The relative size of the circles represent the ordinal points achieved at each stage relative to the maximum achievable points, where a high rank represents `abundant and fully functional'and a low rank signifies`absent or dysfunctional'. This conceptual framework of ecosystem benefits and physical attributes demonstrates that a return to pristinity at Stage 0 is impossible;that to freeze forms at Stage 2 or Stage 6 (the target of most Natural Channel Design methods) misses enhancing benefits; and that late adaptations to Stage 8 offer the closest possible return to pre-settlement conditions and the highest level of habitat enhancement represented by Stage 0. Cluer&Thorne (2014)diagram conceptual benefits of stream processes throughout the evolutionary trajectory of dominant process(see Fig.5). Whereas Rosgen's`natural channel design' methodology seeks to freeze streams into a rigid Stage 6 form of`Quasi Equilibrium,'we have the capacity to usher surface waters towards a Stage 8 `Anastomosing'stream form with higher benefits to habitat and ecosystem attributes, according to Cluer&Thorne's(2014) analysis of stream form and function. The channels on SoWE property are at stages 2 and 3 as described by the SEM diagram (Figure 4).As the SoWE campus is built and the watershed continues to develop, these channels will experience the predictable progression to stage 3a(arrested degradation)or a stage 3-4-3 short circuit of degradation and widening. Degraded channels like these are 13 sadly all too common and are a source of solastalgia for the initiated. Polvi et al. (2011) demonstrate that entrenched stream channels limit the width and frequency of riparian inundation, having measurable impacts on the health and spread of riparian corridors. Cluer&Thorne (2014)describe the relative benefits of each stage of the SEM, demonstrating that this concept for a Stage 8 channel will facilitate multiple aims of habitat enhancement. 3.2 Process Domains The existence of process domains implies that river networks can be divided into discrete regions in which ecological community structure and dynamics respond to distinctly different physical disturbance regimes(Montgomery 1999). Wohl (2020)provides a comprehensive literature review exhibiting the usefulness of categorizing process domains along a river network. By delineating these process domains we can understand spatial patterns of riparian vegetation (Polvi et al. 2011), sediment dynamics(Wohl 2010), organic carbon stock in river corridors(Wohl et al. 2012; Sutfin and Wohl 2017), aquatic ecosystem dynamics and biodiversity (Bellmore and Baxter 2014), channel geometry (Livers and Wohl 2015), and connectivity(Wohl et al. 2019). Some river geomorphic parameters exhibit progressive downstream trends whereas others exhibit so much local variation that any systematic longitudinal trends which might be present are obscured (Wohl 2010). Local variation that overwhelms progressive trends is particularly characteristic of mountainous terrain, where spatially abrupt longitudinal transitions in substrate resistance,gradient, valley geometry, and sediment sources can create substantial variability in river process and form. Under these conditions, characterizing river dynamics based on these longitudinal transitions can be more accurate than assuming that parameters will change progressively downstream. Examples of geomorphic parameters for which spatial variation is better explained by process domain classifications than by drainage area or discharge include riparian zone width (Polvi et al. 2011), floodplain volume and carbon storage (Wohl et al. 2012), connectivity (Wohl et al. 2019), instream wood load (Wohl and Cadol 2011), and biomass and biodiversity(Bellmore and Baxter 2014; Herdrich et al.2018;Venarsky et al. 2018). Process Domains& Limitations of Natural Channel Design A geomorphic perspective on river resilience would characterize a resilient river as having two basic characteristics. First, a resilient river has the ability to adjust form and process in response to changes in water, sediment, and wood inputs, whether these changes occur over many decades to centuries(e.g.climate variability)or over relatively short time periods(e.g. watershed development or a large flood). This is an important distinction from a robust river system which must rigidly maintain one set of conditions in order not to fail. An artificially dammed river is robust. A beaver dammed river is resilient. The latter can be flexible to changing conditions and recover or be made stronger by disturbance, the former is at its best on the day of installation and only gets worse over time (see Graf 2001;Wohl 2004;Wohl & Beckman 2014). 14 Second, a resilient river has spatial and temporal ranges of water, sediment, and large wood inputs and river geometry similar to those present under natural conditions(Wohl 2020). Montgomery and Buffington (1997)distinguish source,transport, and response segments in reach-scale classification of mountain channel morphology. Sklar and Dietrich (1998) hypothesize consistent changes in dominant incision mechanism (e.g. headcuts) and substrate type (coarse-bed alluvial,fine-bed alluvial)at threshold slopes, regardless of drainage area. Natural Channel Design would presuppose that all streams on the project site should exist as sediment transfer zones, stabilizing beds and banks with boulders, rock toes, and other robust features resistant to high-energy flows. If instead, we acknowledge legacy manipulations to channel-floodplain connectivity, we can restore these channels to a resilient system that takes a lower-gradient process domain as its target. Where the streams emerge from confined valleys, the carolina beaver would have had an outsized effect on stream form and function. By emulating beaver and recognizing an opportunity to transition dominant processes, we should see Thomas and Hopewell transform into a lower-energy,diffuse storage area to capture the water,sediment, and wood we would expect to find in these broad valleys. 3.3 Connectivity Paradigm The spectrum of stream connectivity to disconnectivity (see Fig. 6)describes the longitudinal (upstream/downstream), vertical (surface water/ground water), and lateral (floodplain/instream)exchange over spatial and temporal scales, involving the movement of water, organic material, and sediment(Ward 1989; Montgomery 1999; Kondolf et al. 2006;Wohl &Beckman 2014;Wohl 2019). Connectivity is neither a priori better nor worse than disconnectivity, depending on constraints imposed by the natural context. A high- gradient mountain stream passing through a closely confined valley, for example, would exhibit lateral disconnectivity, but experience high longitudinal connectivity,exporting runoff, sediment, and organic material downstream. Conversely, an anastomosing stream would experience high lateral connectivity, delivering sediment, organic material and water to floodplains, but longitudinal connectivity would occur much more slowly in this diffuse energy zone. 15 channelization v removal of large wood removal of beaver dams J 1;11: flow lilli P‘, regulon LATERAL es / bank stabilization ■ Water,Sediment,Wood, channelization Solute,Animals floodplain drainage ■ Water,Sediment, Wood,Salutes ■ Animals Water,Solutes,Animals Fig.6: From Wohl (2019), this diagram demonstrates the concept of connectivity, the movement of water, sediment, wood, solutes, and organisms vertically between the atmosphere and groundwater, longitudinally from upstream to downstream, and laterally between a stream and its floodplain. Examples of anthropogenic disruptions to connectivity are offered next to the wavy lines breaking the arrows of connective transfer. Among the many challenges in managing rivers are those of quantifying connectivity and understanding how human activities have and will increase or decrease connectivity within a landscape (Kondolf et al. 2006). This connectivity ultimately reflects geomorphic context and governs the extent to which a river network or a reach of a river is integrated into its floodplain and the greater landscape. Geomorphic context includes spatial dimensions of river corridor geometry, location within a drainage basin, and location within a global context(Wohl 2020). High connectivity implies that matter and organisms move rapidly and easily within a river network. Landscapes typically include some characteristics that create at least temporary storage and limit connectivity. Subsurface units of low permeability can limit the downslope transmission of water from hillslopes to channels, or limit hyporheic and ground-water exchanges along channels(e.g. Gooseff et al. 2017). Lakes, broad floodplains with extensive wetlands, and numerous channel-spanning obstructions such as beaver dams and logjams can substantially decrease the rate at which floods move through a river network(e.g. Lininger& Latrubesse 2016;Wegener et al.2017). Extensive and active floodplains increase the residence time of suspended particles, including sediment and soluble nutrients, within a river network, so that these basins have a greater capacity to store and filter whatever the water carries than streams without extensive floodplains or with inaccessible floodplains. 16 Some river networks naturally have high levels of connectivity, whereas others include many features that limit connectivity(e.g. Burchsted et al. 2010; Mould and Fryirs 2017). The three dimensions of connectivity commonly have different relations to reach-scale characteristics:channel obstructions such as logjams and beaver dams,for example, promote lateral and vertical connectivity for water, solutes, and particulate organic matter, but limit longitudinal connectivity for these materials. High sediment inputs that promote channel avulsion and high rates of lateral migration may increase lateral connectivity for water, solutes, sediment, and large wood, but restrict longitudinal connectivity for these materials. Connectivity Paradigm &Limitations of Natural Channel Design Natural Channel Design conducted with the best of intentions retains the potential to become subsumed under the future heading legacy effects of hydromodification. Understanding the connectivity paradigm within the natural context of valley slope, stream segment, and underlying geology helps elucidate pathways to recovery where streams have long suffered human-induced impacts. The paradigm at these SoWE sites is similar to many other agriculturally manipulated and impaired floodplains in western North Carolina: increase in longitudinal connectivity(stream straightening), a decrease in lateral connectivity(drain floodplains for planting), and indirectly decreasing vertical connectivity (incision impacts ground-surface water interaction). The streams on the SoWE property flow through headwater valleys with relatively thin, narrow alluvial veneers over bedrock and then experience a drastic shift as they enter the broadest valleys on the property. Streams situated in valleys like these, on long-standing farmsteads, have assuredly been impacted through centuries of anthropogenic management. And, predictably,the more incipient soils in these areas will be the first to degrade,continuing their march through the Stream Evolution Model (SEM). However, these broad valley areas also present an opportunity.These areas are relatively flat and the finer grained soils are fertile ground for riparian trees and wetland meadow grasses. Using BDA techniques, these broad valley areas can be fast-forwarded into wetland complex systems;they will provide greater floodplain buffers and increased hyporheic exchange.The presence of these floodplain buffers will create depositional zones, and progressively more extensive floodplains providing greater average residence time of sediment, surface flow during overbank floods, and subsurface flow. Coarse and fine particulate organic matter will be sequestered within these wetland complex systems. 3.4 Beaver Hydrologic Habitat Contemporary research on log pieces and log jams as structural interventions capable of reversing stream incision has considerably influenced stream restoration methods in other parts of the United States. In the arid Southwest, for example, Beaver Dam Analogs (BDAs) and Post Assisted Log Structures(PALS), sometimes combined with beaver reintroductions, have significantly improved the hydrological and ecological functions of restored streams(see review Philiod et al. 2017). Many of these methods draw from designs adapted in the early 1900's by the USDA Forest Service and Soil Erosion Service 17 (see, e.g. Kraebel& Pilsbury 1934;Ayres 1936). While these practices have enjoyed a renaissance in the western US, their application to the unique environmental legacies of the southeast are underrepresented in the literature and in practice (Wohl 2019). Hand- built wooden structures offer tremendous potential to reverse stream incision in the Southeast by passively raising stream beds and reducing stress on banks. In the wetter conditions of the southeast, there is a chance that seasonally inundated riparian zones can become permanently flooded areas, as hyporheic exchange allows groundwater sources to connect depressional wetlands with additional water inputs. Beaver ponds have been shown to increase hyporheic exchange, buffering water temperatures(Weber et al. 2017) and influencing nutrient dynamics(Margolis et al.2001; Bason et al. 2017). Riparian zones of beaver ponds have been shown to have denser above ground biomass compared to riparian zones of same or similar species composition in nearby unobstructed stream side zones(Gatti et al. 2018). The effects of beaver on the hydrologic condition of streams has rippling effects for the floodplain and the plant communities comprising them. As Naiman et al. (1988) demonstrate, some of these effects catalyze long-term successional processes, even if the ponds are abandoned and transform back into streams. By slowing the flow of water, beaver create positive feedback loops that allow vegetation to establish, which further decreases hydraulic stress(Box 2018). Beaver ponds create sediment sinks that build up stream beds, creating newly exposed areas for vegetation to establish (Osterkamp& Hupp 2010). The slower water allows sediment to settle raising the stream bed level, offering incising streams an avenue for reunion with its floodplain (Pollock et al. 2014). This latter mechanism is of particular interest to the southeastern region given the ubiquity of gullying in response to historic land cultivation legacies. Streams suffering from legacy effects of incision may experience a condition called Riparian Hydrologic Drought, where incision causes both fewer instances of floodplain activation achieved by overbank flows(decreased lateral connectivity), as well as a localized lowering of the water table near incised streams(decreased vertical connectivity) (Groffman et al. 2003; Hardison et al. 2009). In Fig. 7 below, Hardison et al. (2009) diagram the comparative lateral and vertical disconnectivity of incised stream channels. On the left, a cross section of a stream is depicted where vertical connectivity is demonstrated by the high water table saturating floodplain soils, and lateral connectivity is possible within the breadth of the bold arrows demarcating the floodplain. In the diagram on the right,stream incision is halted by the confining unit, as in Cluer&Thorne's(2014) SEM Stage 3s(see Fig. 4 above). Vertical and lateral disconnectivity is indicated by the lowered water table and narrowing of the `floodplain'.The effect this has is called Riparian Hydrologic Drought, a wilting of riparian corridors starved of nutrients and seeds delivered in floods and groundwater accessible to shallow rhizospheres of wetland vascular plant species. 18 (a) Floodplain fib) "Floodplain" IC >I IHI I I I I it)1' I I\ I9v♦ ------------ Confining Unit Confining Unit • Fig.7: From Hardison et al. (2009), demonstrating the differences in channel form that can lead to Riparian Hydrologic Drought, the wilting of short-rooted riparian vascular plants as incision lowers the local water table and deprives floodplains of periodic inundation during high flow events. Comparative analyses conducted in the Appalachians and across the Carolinas indicate that beaver ponded streams are better for bat forage (Francl et al. 2004) and nesting (Menzel et al. 2001), better for avian communities(Otis& Edwards1999), better at reducing suspended sediment and nitrate loads(Bason et al. 2017), better for the richness, diversity, and evenness of herpetofaunal communities(Metts et al. 2001)than other streams, wetlands, or forests depending on the study in question. Of particular interest to regulators concerned about minimizing impacts to the 'use'of streams and wetland in favor of beaver ponds, you might read the concluding paragraphs of one essay, the heading of which is entitled, "Beavers do not present a threat to flowing-water species and need not be controlled for that reason"(Snodgrass 1997, pg. 1055). Snodgrass suggests that land managers should only consider beaver removal when land management objectives favor valuable timber stands and the preservation of access roads. The client and design team are aware of this management issue and are developing the buildings and roads with potential flood extends and wetland expansion in mind. 19 4. DESIGN "We cannot know what we are doing until we know what nature would be doing if we were doing nothing." Our restoration work is guided by the above refrain, written in 1979 by the farmer-poet, Wendell Berry. In all of our work, we strive to emulate and catalyze the natural processes of self-renewing ecosystems. Our experience continues to strengthen our devotion to natural process-based restoration as the only sustainable way to manage aquatic resources. 4.1 Design Approach Scholarship and responsible practice demand that river restoration be based on or include five principles (Kondolf and Larson 1995; Hughes et al. 2001; Kondolf et al. 2001;Ward et al. 2001; Hilderbrand et al. 2005;Wohl et al. 2005; Kondolf et al. 2006;Sear et al. 2008; Brierley and Fryirs 2009; Hester and Gooseff 2010). These principles — and how we've endeavored to implement them — can be summarized as follows: 4.1.1 Restoration Principals First, restoration should be designed with explicit recognition of complexity and uncertainty regarding river process and form, including the historical context of variations in process and form through time. We have observed Hopewell Branch and Thomas Branch through this lens, using Cluer&Thorne's(2014) Stream Evolution Model (SEM)to conceptualize not only the present dominant processes at work, but those trajectories that may apply under expected future scenarios and the legacies of the past that compromise habitat on site today. Second, restoration should emphasize processes that create and sustain river processes, rather than imposition of rigid forms that are unlikely to be sustainable under future water and sediment regimes. On Hopewell Branch and Thomas Branch,we are recommending wetland complex systems created by small BDA structures that enable the system to undergo the transformation it would eventually undergo if we did nothing. Further,our intention is not to build permanent structures or"freeze"the stream in time 1 year after construction. Rather, we are proposing wetland complex systems that will be stable in the near-term while catalyzing processes that offer a path to self-adjustment and ongoing improvement despite changes to the watershed. This is an important consideration for our restoration approach as the planned development in the Thomas Branch watershed would otherwise cause degradation, and the development pattern in the Hopewell Branch watershed is uncontrolled and unpredictable. To expect incoming flows to follow the same trends present in our recent observations(2019-2020), would be folly. Our approach is to design a channel and a 20 floodplain that anticipate future geomorphic trends and have the capacity to adapt and thrive in spite of potential future impacts. Third, projects should be monitored after completion, using the set of variables most effective for evaluating achievement of objectives, and at the correct scale of measurement(Comiti et al. 2009 provides an example of effective monitoring). The proposed restoration efforts at Mulberry Gap are not tied to any mitigation performance standards. However, the operations at the proposed SoWE campus will include long-term operation and maintenance of the grounds, including these wetland complex systems. There will also be on-site stream and weather gages so that the maintenance plans and adaptive management can be tied to specific triggers(i.e. storm flood events). Fourth, consideration of the watershed context, rather than an isolated segment of river, is crucial because of the influences of physical, chemical, and biological connectivity on alterations undertaken for river restoration. Our approach aims to leverage the full project area of floodplain and stream corridor within the context of the high gradient watershed that feeds it. Moreover, by working within the floodplain area, we will create habitat diversity that can sustain a more biodiverse community of native flora and fauna adapted to floodplain conditions long absent from this site. Fifth, accommodation of the heterogeneity and spatial and temporal variations inherent in rivers is necessary for successful restoration (Brierley and Fryirs 2009). The proposed wetland complex systems on Hopewell Branch and Thomas Branch will continue to adjust parameters such as bedform configuration, grain-size distribution, and emergent vegetation clustering in response to fluctuations in water, sediment, and wood yields. These adjustments are commonly not synchronous or of the same magnitude between distinct reaches of the river. So,our design will allow the BDA features some freedom to adjust, and this will be reflected in the long-term operation and maintenance plan. 4.1.2 Restoration Techniques RDE considered two approaches to water resource conservation and restoration enhancement during the design phase: Natural Channel Design and Process-Based Design. The former approach was screened from consideration because it fails to achieve a high level of habitat conservation and enhancement, a consideration of utmost importance for the client(SoWE). Natural Channel Design, as described in the Engineering Handbook on stream restoration, is at its heart a misnomer. Former channels are abandoned for excavated channels in the floodplain. Beds and banks are rigidly held in place by robust quantities of rock not native to the local lithology. This approach creates an artificial and contorted canal masquerading as a`natural feature'. On the other hand, Process Based Design catalyzes self-renewing cycles of stream/floodplain/wetland interactions to create habitat that is responsive to the natural forces at work on the site. We trust natural processes will dictate the expansion of wetland areas and delineation of streams. We have provided a broadly applicable illustration that 21 shows these potential outcomes in the appendix(see the"Potential Outcomes after BDA Construction"illustration). And the client is willing to accommodate increased lateral and vertical connectivity over strictly defined and rigidly maintained canal and wetland boundaries. RDE and the State of North Carolina have a unique opportunity on this site to follow the lead of many other states in the US currently engaged in encouraging beaver mimicry and hopeful beaver reintroduction. In the arid western United States, Process-Based Restoration approaches including beaver dam analogs, post-assisted log structures, large woody debris jams, and rewilding of beaver have made demonstrable improvements to fish populations, riparian corridor width and vegetation densities, water quality parameters such as temperature, turbidity, and nutrient concentrations, and fire suppression in every case we know of. While in the west, primary habitat loss has occurred from a legacy of overgrazing and water diversion, here in the southeast, legacy effects of soil loss and `positive drainage improvements' have had similar consequence to aquatic habitat and the native plant communities that depend on soggy soils and periodic flooding for the nutrients, seed dispersal, and open space to achieve population dynamics that work with, rather than against, the coevolution of wetland communities and ecosystem engineers, like the beaver that once had a hand in every trickle of WoUS, an indelible and forgotten influence on the landscape. 4.2 BDA Type Selection We considered three design alternatives for the BDA structures, these typologies are as follows: 1) Post&Weave BDA: Posts driven into the channel and floodplain at regular intervals with long small caliper trees and branches woven into the structure. Mud, gravel, and stone is packed against this hand-built structure. These structures are intended to provide habitat that attract beavers. This would not be a permanent feature; it would require regular maintenance and would likely need to be re-built in the event of an extreme storm event. 2) Full Engineered with Façade: Building on the option above, but with extensive grading and structural subsurface elements(sheet piles, concrete cores, etc.). These structural elements would physically impound the water, provide a non-erodible barrier, and prevent seepage. This also requires regular maintenance but is less susceptible to failure and is less adaptable to changes in regimes of flow, sediment, and wood. This option has been disregarded because of its reliance on non-natural materials and susceptibility to weaken over time and its susceptibility to failure with changing conditions. This alternative offers a robust, but not resilient approach. 3)Aggradation Structure: In this third option — which we are proposing at SoWE — engineered materials (stone aggregates, woody materials, and fine grained soils) provide the `core'of a retention structure upon which additional mud and sticks are placed to replicate a beaver dam. Post and weave BDA is then built on top of this 22 earthen feature. This would require regular maintenance, but less maintenance than the post&weave option alone, and would be more robust in the face of extreme storm events. This third option (aggradation structure) is contextually appropriate and balances the benefits and drawbacks of all the three options.The core of these BDA features will be constructed of carefully blended aggregates for site-specific incipient motion criteria. The aggregate will include a wide range of grain sizes, ideally native material consisting of cobble, gravel, sand, and silt, and will be placed in layers of gradually increasing grain size. When this inner core of the BDA aggradation structure is built, it will appear to be a natural riffle. After the core has been constructed, the BDA feature will be capped with interlocked woody material. A slash matrix will be fanned-out on the downstream side of the feature, in the dip of the ogee shape, and imported cobble will be used as a downstream armor layer that anchors the woody material and resists scouring to a higher degree than the core aggregates. The size of this cobble will be in the uppermost range of the largest cobble native in the system. The larger cobble will then be covered with a thin layer of the native bed material, providing a soil matrix for emergent vegetation. The shape of these BDA features will be convex in plan-view, pointing in the downstream direction. In profile, they will have a 2H:1V or milder grade on the upstream side with a designed ogee shape on the downstream side. The downstream side will also consist of the largest gradation sediments, carefully designed, but likely cobble-sized material and interwoven with woody material. 4.3 Proposed Features Our approach includes hydraulic and geomorphic design considerations.This approach ensures that the individual BDA features are dimensioned to sufficiently resist the stresses and velocities they will have a 2H:1V or milder grade on the upstream side with a designed ogee shape on the downstream side. The downstream side will also consist of the largest gradation sediments, carefully designed, but likely cobble-sized material and interwoven with experience during regular floods,while allowing certain areas to break- away during extreme, catastrophic events(i.e. 100-year recurrence storm). 4.3.1 Beaver Pool Design The future marsh aprons upstream of the BDAs will be selectively excavated to provide undulations and deep-water refuge. A variety of depths and morphologies will provide habitat and thermal heterogeneity. Longitudinal profiles of Thomas Branch and Hopewell Branch, have been provided in the appendix, and the appendix also includes an example cross section cut through the floodplain of the core area along Thomas Branch — this section shows the topographic heterogeneity proposed in the floodplain. 23 These micro-topographic features can be seen on the grading plans and the Predicted Depth Maps (see appendix). The complicated relationship between seepage, evapotranspiration, and the potential inundation extent is difficult to predict, but the vegetation plan will feature plants with population dynamics having the capacity to adapt to these future water level conditions. We have prepared depth maps that predict and define the areas upstream of each BDA feature into their respective depth zones. These zones were developed using the range of probable conditions, from flooded conditions to drought conditions. A flooded condition was defined as 1'above weir crest elevation and drought was defined as 2'below weir crest elevation. These zones are defined here: • Deep pool zone:sustained deep pools(3'or greater). This zone represents areas that retain 3'depths during drought conditions. 3'was chosen for this delimiter because this is the minimum depth for beaver shelter and this will stifle growth of emergent wetland plants keeping vigorous vegetation growth along the fringe areas. • Deep Marsh/Submergent Zone:typically inundated(2'-5'). Submerged plants are expected here. • Shallow Marsh/Emergent Zone:frequently inundated (0'-2').This zone would not be inundated during drought conditions, but would be inundated to some level depending on other environmental conditions. The upper bound of this zone is defined by the crest elevation of the floodplain BDA. Emergent plants will be appropriate, but this zone is the hardest to predict. • Lower Riparian Zone: infrequently inundated. This zone would be inundated only when the water level goes above the weir/floodplain BDA, which would happen infrequently. This zone will have shallow groundwater and contain very moist soils. • Upper Riparian/Upland Zone: not typically inundated. This zone will also have shallow groundwater, but is not expected to be inundated. The BDA features and our predicted depth maps will be initially planted based on these expected conditions, but ultimately, these features are meant to change and to adjust based on their temporally varied inputs of water, sediment, and wood. 4.3.2 TB4 All the BDA features will be constructed within the existing channel-floodplain topography, with some excavation in opportune areas for habitat diversity(described above in the beaver pool design section). It is likely that all the pools will have seasonal and storm- related fluctuations in pool elevation. We know that the pool elevations won't stabilize any higher than the in-channel BDA crest elevation, but we cannot predict exactly how low the pool elevation will be when it reaches equilibrium. This uncertainty is because of the complicated dynamics between inflows(rainfall and groundwater) and outflows(seepage and evapotranspiration). We cannot predict what the equilibrium pool elevation will be at a particular BDA, although we know reducing the outflow parameters will have an increasing effect on pool elevation. 24 The proposed pool upstream of Thomas Branch BDA#4 (aka TB4) is the largest and most prominently featured on site. Because of this reason, we were tasked with developing a nature-based approach to hedge against the outflow variables. This makes the pool design upstream of TB4 a deviation all other proposed BDAs. The floodplain area above TB4 will be excavated and then amended with clay soil to reduce permeability in the deep pool areas (see engineering plans, sheet C102). The existing channels and the fringe areas(shallow marsh and lower riparian zones)will not be amended with clay soil to allow for hyporheic exchange. 4.3.3 Additional Woody Structures Other low-tech, process-based restoration strategies will be incorporated at other areas on site, or as an adaptive management strategy through long term operation and maintenance. For example, downstream of the proposed administration building on Thomas Branch — where the valley necks-down to a more confined floodplain — BDA weir-like features are infeasible here. However, it is appropriate to install a permeable large woody debris structure (see example detail in the Engineering Plans). This would allow base-flow to pass through unencumbered but would provide a backwater affect on its upstream BDA counterpart during storm events, reducing storm event stresses and create a fluvial transition zone between the BDAs and the downstream single-thread channel. This approach would decrease erosive forces in-stream and increase resident times for wood, organic material, and sediment — contributing to the overall goal of the wetland complex system. 4.3.4 Flow Diversion Devices So-called "pond levelers"or"beaver deceivers" — or more sophisticated Agridrain systems — are a common tool used to manage nuisance water levels of beaver impoundments. These devices can be incorporated on the peripheral of beaver-made dams or human-made BDA's to avoid unwanted flooding, but they must be carefully designed so that they are not immediately clogged by the eager beaver.These devices are commonly installed at existing roadway culverts, and generally these devices fall within the non-notifying category of activities in Waters of the US. We have incorporated a flow diversion device into this plan, but the purpose is NOT so that the pools maintain a minimum elevation. Instead, this device is anticipating potential flooding problems. As initially designed, the stream-wetland complex will not inundate roads or walking paths. However, in the event that natural processes cause flooding,this flow diversion device will already be installed to allow for vehicular and pedestrian ingress/egress around the complex. Natural processes that could cause this type of flooding include beaver activity that increases the elevation of the BDAs, or sediment and wood recruitment from large storm events. An Agridrain device will be embedded into the BDA weir, but separated from the main BDA spillway area. The intake areas for this Agridrain device will be caped with"T" connection and screened to dissuade from clogging. This intake will be placed in a deep 25 pool and the outlet will be buried and in the downstream floodplain and released in the downstream channel. The need for additional flow diversion devices is not anticipated at this time. 4.3.5 BDA Degradation Analysis Wild beaver dams are in a constant state of degradation, constantly being rebuilt by the beaver colony. Hence the"business"that is often used to characterize this keystone species. These BDA structures are designed to mimic their natural counterparts, and in keeping with this approach, the BDA weirs have been specified to naturally degrade during large storm events. We have performed hydrology and hydraulic calculations for each of the proposed BDA weirs.Through this analysis we have estimated the shear stress that BDA will experienced during predictable rain events. Based on this analysis, we have sized the materials to become mobilized during large storms. Particularly, the stone gradation of the in-channel BDA has been specified such that large storm events will exceed the incipient motion criteria. That is to say:the dams are designed to partially degrade during large storm events. 4.3.6 Erosion Control The in-channel BDA features will be constructed"in the dry."A temporary coffer dam (see appendix)will be placed on the upstream toe of the proposed BDA feature and a small trash pump or other similar method will be used to divert water around the work area. All work will be planned such that the coffer dam will not become overwhelmed during storm events and the individual work areas will be stabilized at the end of each day. There are several being removed and converted back to open channels. Upon removal of these culverts the channels will be re-constructed in accordance with the culvert removal details(see appendix). Culvert removal and channel construction will be conducted"in the dry"using similar methods used to dewater the BDA work areas(coffer dam and pump around). 4.3.7 Vegetation Native riparian plant species have evolved to withstand and depend on the natural flow regimes and disturbance regimes that trigger seed dispersal, cavitation, and propagule establishment in stream corridors and adjacent floodplains, so that extreme deviations due to anthropogenic disruption could incur cascading habitat impacts(Tyree et al. 1994; Schaff et al. 2003; Merritt et al. 2010; Osterkamp&Hupp 2010;Wohl 2019). Thus, spatial and temporal dynamics of connectivity are important factors driving the form and function of streams as ecological agents of the landscape. Although beaver reintroduction is not planned, and is not a specific goal of these efforts, the vegetation plans are being prepared in-keeping with beaver habitat. 26 Most of a beaver's diet is made up of tree bark and cambium. Cambium is the soft tissue that grows under the bark of a tree. Willow, maple, birch, aspen, cottonwood, beech, poplar, and alder trees are preferred varieties, but beaver are known to eat other vegetation like roots and buds and other water plants. All plantings around the BDA complex will be native species adapted to the hydrologic conditions we intend to restore on site. A list of desirable native vegetation that will be incorporated is included in the Operation and Maintenance Manual. Riparian, wetland, and emergent planting plans are being prepared by Osgood Landscape Architecture. A selection of plants that are under consideration for both the initial planting plan, and the long-term adaptive management of these areas are included below. 27 Riparian Zones Trees o Red Maple -Acer rubrum o Swamp White Oak-Quercus bicolor o Smooth Serviceberry-Amelanchier laevis o American Elderberry-Sambucus canadensis o Black Gum - Nyssa sylvatica o Bitternut Hickory-Carya cordiformis o Fringetree-Chionanthus virginicus o Sourwood-Oxydendrum arboreum o Ironwood -Carpinus caroliniana o River Birch- Betula nigra o American Holly- Ilex opaca (spec it in drier areas within the riparian zone) o Sycamore- Platanus occidentalis o PawPaw-Asimina triloba o Black Willow-Salix nigra (spec it in wetter areas within the riparian zone) Shrubs o Winterberry- Ilex verticillata o Possumhaw- Ilex decidua o Silky Dogwood-Cornus amomum (this spreads to form thickets-use sparingly in the planted area around the managed main pond and more of it in the other less managed riparian areas) o Spicebush -Lindera benzoin o Sweetspire- !tea virginica o Buttonbush-Cephalanthus occidental is (spec it in wetter areas within the riparian zone) o Sweet pepperbush-Clethra acuminata (spec it in wetter areas within the riparian zone) o Witch hazel - Hamamelis virginiana o Doghobble- Luecothoe fontanesiana o Possumhaw Viburnum -Viburnum nudum o Silky willow-Salix sericea (spec it in wetter areas within the riparian zone) Herbaceous/Grasses o Fox sedge -Carex vulpinoidea o Blunt broom sedge-Carex scoparia (spec it in wetter areas within the riparian zone) o Tussock sedge -Carex stricta (spec it in wetter areas within the riparian zone) o Pink Turtlehead-Chelone lyonii o Golden Groundsel - Packera obovata o Mountain Mint- Pycnanthemum virginianum 28 o Milkweed -Asclepias incarnata o Grass leaved Goldenrod-Solidago graminifolia o Sensitive Fern-Onoclea sensibilis o Cinnamon Fern- Osmunda cinnamomeum (spec it in wetter areas within the riparian zone) o Joe Pye Weed- Eupatorium purpureum o Switchgrass-Panicum virgatum (this is a fast spreader-consider specing it sparingly in the planted area around the managed main pond area and more of it in the other less managed riparian areas) o River oats-Chasmanthium latifolium (this is a fast spreader-consider specing it sparingly(or not at all)in the planted area around the managed main pond area and more of it in the other less managed riparian areas) o Indian Grass-Sorghastrum nutans o Cardinal Flower- Lobelia cardinalis (spec it in wetter areas within the riparian zone) o New England aster-Aster novae-angliae o Jack in the Pulpit-Arisaema triphyllum (spec it in wetter areas within the riparian zone) Emergent Zones Herbaceous/Grasses o Soft Stem bulrush-Scirpus validus o Common Rush -Juncus effusus o Blunt Spike Rush- Eleocharis obtusa o Pickerelweed- Pontederia cordata (this is a fast spreader-consider spacing it sparingly(or not at all)in the planted area around the managed main pond area and more of it in the other more wild riparian areas. If this plant is both hearty and spreads quickly, it may be best used in areas where the expected water level is the most unpredictable.) o Southern Blue Flag- Iris virginica o Sweetflag-Acorus calamus (straight species) o Lizard's Tail-Saururus cernus this is a fast spreader-consider spacing it sparingly(or not at all)in the planted area around the managed main pond area and more of it in the other less managed riparian areas. Maybe use this one and Pickerelweed as more"wild"solutions. o Arrow Arrum - Peltandra virginica o Duck Potato- Sagittaria fasciculata 29 REFERENCES Ayres, Q. (1936). Soil Erosion and its Control. MeGraw-Hill Book Company. Inc: New York. Bason, C. W., Kroes, D. E., &Brinson, M. M. (2017). The effect of beaver ponds on water quality in rural coastal plain streams. Southeastern naturalist, 16(4), 584-602. Bellmore, J. R., &Baxter, C. V. (2014). Effects of geomorphic process domains on river ecosystems: a comparison of floodplain and confined valley segments. 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M., Boulton, A. J., O'Daniel, S., Poole, G. C., Rahel, F. J., Stanley, E. H., ... & Huber, H. (2006). Process-based ecological river restoration:visualizing three- dimensional connectivity and dynamic vectors to recover lost linkages. Ecology and Society, 11(2). Kondolf, G.M. and Larson, M. (1995). Historical channel analysis and its application to riparian and aquatic habitat restoration. Aquatic Conservation:Marine and Freshwater Ecosystems 5: 109-126. 32 Kondolf, G. M., Smeltzer, M.W., & Railsback, S. F. (2001). Design and performance of a channel reconstruction project in a coastal California gravel-bed stream. Environmental Management,28(6):761-776. Kraebel, C. J., &Pillsbury, A. F. (1934). Handbook of erosion control in mountain meadows. California Forest and Range Experiment Station. Lave, R. A. (2008). The Rosgen wars and the shifting political economy of expertise. University of California, Berkeley. Leopold, L. B., Wolman, M. G., Miller, J. P., &Wohl, E. (2020). 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Simon, A., Doyle, M., Kondolf, M., Shields Jr, F. D., Rhoads, B., &McPhillips, M. (2008). Reply to Discussion by Dave Rosgen on" Critical Evaluation of How the Rosgen Classification and Associated'Natural Channel Design'Methods Fail to Integrate and Quantify Fluvial Processes and Channel Responses". Sklar, L., & Dietrich, W. E. (1998). River longitudinal profiles and bedrock incision models: Stream power and the influence of sediment supply, in Tinkler, K.J. &Wohl, E.E., eds., Rivers over rock:Fluvial processes in bedrock channels:Washington, D.C., American Geophysical Union, 237-260. 34 Snodgrass, J. W. (1997). Temporal and spatial dynamics of beaver-created patches as influenced by management practices in a south-eastern North American landscape. Journal of Applied Ecology, 1043-1056. Sporcic, M. A., &Skidmore, E. L. (2011). 75 Years of Wind Erosion Control:The History of Wind Erosion Prediction. In International Symposium on Erosion and Landscape Evolution (ISELE), 18-21 September 2011,Anchorage,Alaska(p. 31). American Society of Agricultural and Biological Engineers. Thorne, C. (2020, Aug. 11). "Missing Reference Condition: Stage 0" [Webinar Presentation]. In: Module 1: Introduction to Low-Tech Process-Based Restoration. Available at: https://lowtechpbr.restoration.usu.edu/workshops/2020/SG I/Modules/modulel.html Trimble, S. W. (1975). A VOLUMETRIC ESTIMATE OF MAN-INDUCED SOIL EROSION ON THE SOUTHERN. In Present and Prospective Technology for Predicting Sediment Yield and Sources: Proceedings of the Sediment-Yield Workshop, USDA Sedimentation Laboratory, Oxford, Miss., Nov. 28-30, 1972(Vol. 40, p. 142). Agricultural Research Service, US Department of Agriculture. Walter, R. C., & Merritts, D. J. (2008). Natural streams and the legacy of water-powered mills. Science, 3/9(5861), 299-304. Ward,J. V. (1989). The four-dimensional nature of lotic ecosystems. Journal of the North American Benthological Society, 8(1), 2-8. Ward,J.V., Tockner, K., Uehlinger, U., and Malard, F. (2001). Understanding natural patterns and processes in river corridors as the basis for effective river restoration. Regulated Rivers:Research and Management 17:311-323. Weber, N., Bouwes, N., Pollock, M.M., Wheaton, J.M., Wathen, G., Wirtz,J., &Jordan, C.E. (2017)Alteration of stream temperature by natural and artificial beaver dams. PLoS ONE, 12(5). Wegener, P., Covino, T., and Wohl, E. (2017). Beaver-mediated lateral hydrologic connectivity, fluvial carbon and nutrient flux, and aquatic ecosystem metabolism. Water Resources Research, 53:4606-4623. Wohl, E. E. (2004). Disconnected rivers:linking rivers to landscapes. Yale University Press. Wohl, E. (2013) Floodplains and wood. Earth-Science Reviews, 123: 194-212. Wohl, E. (2019). Forgotten legacies: understanding and mitigating historical human alterations of river corridors. Water Resources Research, 55(7), 5181-5201. 35 Wohl, E. (2020). Rivers in the Landscape. John Wiley&Sons. Wohl, E., Angermeier, P.L., Bledsoe, B., Kondolf, G.M., MacDonnell, L., Merritt, D.M., Palmer, M.A., Poff, N.L., &Tarboton, D. (2005). River Restoration. Water Resources Research, 41:W10301. Wohl, E., &Beckman, N. D. (2014). Leaky rivers: implications of the loss of longitudinal fluvial disconnectivity in headwater streams. Geomorphology, 205:27-35. Wohl, E., &Cadol, D. (2011). Neighborhood matters: patterns and controls on wood distribution in old-growth forest streams of the Colorado Front Range, USA. Geomorphology, 125(1), 132-146. Venarsky, M. P., Walters, D. M., Hall, R. O., Livers, B., &Wohl, E. (2018). Shifting stream planform state decreases stream productivity yet increases riparian animal production. Gecologia, 187(1), 167-180. 36 APPENDIX A. Potential Outcomes After BDA Construction B. Predicted Depth Maps&Area Tables C. Culvert Removal Details D. Creek Profiles and BDA Pool Sections E. Example Dewatering Details(coffer dam) Potential Outcomes after BDA Construction Existing Condition Potential Outcome 1 A ft 4 Gc ,j: Riparian S .~vegetation y .i 1) C r Wetland J ` Meadow ` _ BDA , ir, ..„ ..„, , , .„. , 4111,7-- Potential Outcome 2 Potential Outcome 3 t-c_ - • /1 11408W ( (0 , . , . . , ........_ ______ L -1 ,„ . ~ Robinson N Design N Engineers il....o 6 4., LEGEND 94 For aril Deep Pool Zone - Sustained deep pools 92 ��� r pm ' (3' or greater) • I ! O TB ,'see Deep Marsh / Submergent Zone - �� �I ( p M; � I \ \ �\ Typically inundated 1 I � I \ Shallow Marsh / Emergent Zone - �', A'� `� v Frequently inundated •� F Lower Riparian Zone - Infrequently - •,. inundated �rn rn °'\ Upper Riparian / Upland Zones ...i. Typically not inundated r_,....._ ..„ Jill‘:', 4,_ . w- -.:°,5\hit. , ,iitir TB2 i ,o) 4 ________ 44 6, wif ,!ph k\ ----- / \ , , 4 � \ \ ,o• w \ \ ••• PDM1: Predicted Depth Map 1 •' Robinson% N Engineers 20 40 80 _ + •° + rn 111111111111111 LEGEND .0,. 'i Deep Pool Zone - Sustained � —s$ -95 deep pools (3' or greater) , \ ■ Deep Marsh / Submergent Zone - = loplito •a Typically inundated ` Shallow Marsh / Emergent Zone - 1".1,00� / I Frequently inundated N y \ I Lower Riparian Zone - \ , Infrequently inundated ` Upper Riparian / Upland Zones - - I I Typically not inundated + - 0 For area upstream g \ �i of TB4A&B, see `�' iN �� yy PDM3 and PDM4 : • a ®\, v \ + J \ 96•6 TB4A Al - Alli AIN 644 TB4B .,� 94, 4 rill4 i- ij1øIpS-.. 0 CL z 94, v � \ w 92' ii 6 , , , , , 11 , 1 B. ..rt ,_, 6' ICI1 , , - 1/1. .-. 1 1 TB3A \ i, i\ PDM2: Predicted Depth Map 2 N Robinson N Engineers 0 20 40 80 1 I \ \ \ LEGEND Deep Pool Zone - Sustained deep pools (3' or greater) Deep Marsh / Submergent Zone - Typically inundated ■ Shallow Marsh / Emergent Zone - Frequently inundated Lower Riparian Zone - Infrequently inundated Upper Riparian / Upland Zones - Typically not inundated ell \ , \a �� / ___ . , _________ \ \\\ \ \\\\\ \\ \ \\\\ \ _ \ \\\ ift4.5 _____ ,. It :- % 1# 4 lip __ , 8 .$ . ir.\\ +‘ \ 411111\ , , \ \ •• TB5A \ * • `lv" A A I 1 16 L'. •rO PDM3: Predicted Depth Map 3 N Robinson N Engineers 0 20 40 80 \ \ \ \ \ \ 2 LEGEND Deep Pool Zone - Sustained deep pools (3' or greater) Deep Marsh / Submergent Zone - Typically inundated Shallow Marsh / Emergent Zone - Frequently inundated Lower Riparian Zone - Infrequently ____ r inundated Upper Riparian / Upland Zones - Typically not inundated i_ '\lir------'—''- . •'' -----\ ___ -------- -- ------i-1-1---- _----------------- / \ -__ - \ ' N\4111.10/ ___-- 9E \ '\ \d/•. • Akio \ TB6 11411 %jJc;z .: . `\;N \ PDM4: Predicted Depth Map 4 Robinson"/ N Engineers 20 40 0 LEGEND ----- _------- Deep Pool Zone - Sustained deep pools (3' or greater) ---_______ ■ Deep Marsh / Submergent Zone - / Typically inundated ____ —— ■ Shallow Marsh / Emergent Zone - �! Frequently inundated �/ Lower Riparian Zone - Infrequently inundated 6 Upper Riparian / Upland Zones - _ Typically not inundatedrt _ 0/ ' A; ill in in in v7 4 4 / N zs • 6 '8S = __ + :., -, � lir o N in - ,— W...------- - --___,-______.- in--k , ....„._. \ ) ' I ! */ ct II.- --1 'I.-'- A ) Alli '- _ o %,, / Ii ! �,� ...kiV wg:mw\\\ *L4 PDM5: Predicted Depth Map 5 .�Robinson N Engineers 20 40 to BDA Deep Pool Deep Marsh - Shallow Marsh TOTAL (SF) Zone (SF) Submergent - Emergent (SF) (SF) TB1 2,319 5,468 4,726 12,513 TB2 294 3,024 3,705 7,023 TB3 678 8,168 8,800 17,646 TB4 5,551 12,337 15,934 33,822 TB5 - 1,424 9,008 10,432 TB6 166 4,070 4,015 8,251 HB4 582 9,343 16,338 26,263 TOTAL 9,590 43,834 62,526 115,950 jilkir Robinson PDM6: Predicted Depth Map Area Table N Engineers BDA Deep Pool Deep Marsh - Shallow Marsh TOTAL (ac) Zone (ac) Submergent - Emergent (ac) (ac) TB1 0.05 0.13 0.11 0.29 TB2 0.01 0.07 0.09 0.16 TB3 0.02 0.19 0.20 0.41 TB4 0.13 0.28 0.37 0.78 TB5 - 0.03 0.21 0.24 TB6 0.00 0.09 0.09 0.19 HB4 0.01 0.21 0.38 0.60 TOTAL 0.22 1.01 1.44 2.66 /1114./Robinson PDM7: Predicted Depth Map Area Table N Engineers existing culvert to be removed vegetation per landscape architect apply coir matting to all disturbed channel slopes Match downstream channel bottom-width_ o " " Bio-D block soil lift 7o7 o°ti�lrq ���� ' ;' Compacted sub-grade '- ��``. a�',zi�° � Channel bottom of granite ballast stone 8"minimum thickness 12"overlap,minimum f Underlain by bedding stone 6"minimum thickness :..\047:47;riaibt a v ii'(1 iiiiiii0Aiii iii it COMPLETELY FILL ALL INTERSTITIAL SPACES WITH CLEAN SAND CREEK CHANNEL - FREE FLOWING CA) apply outside of deep marsh zones SCALE:1"=4' , l---- 1 c\ Match downstream channel bottom-width existing culvert to be removed vegetation per landscape architect i , ( 7) , , i ____ .... .. ,,o, I °00, fly fl o og8 c0000 a o8 0 ° ,, Compacted sub-grade apply channel armor to depth=12" �� Channel bottom of bedding stone 6"minimum thickness COMPLETELY FILL ALL INTERSTITIAL SPACES WITH CLEAN SAND CB) CREEK CHANNEL - WITHIN INUNDATION ZONE apply inside of deep marsh zones SCALE:1"=4' APPENDIX C. CULVERT REMOVAL DETAILS Robinson ,N „ c Copyright 2020 These drawings are the properly of inson I\�// II 1\\ / � Design Engineers. Design r Engineers reproduced u•ttlhou�ihet upon or repro express,written consent of Robinson � � Design Engineers. U.,' __I i .- ;;� hill\er"44 /17.11401P.4% 1 ��nL I O 4;' (` ��/ oo so o 100 300 (' // '' tr.it' 3°,';\'''- . r ' . , , , / ) _ . , .. /, i I .... ., / , , 0 „,,......., ,,,.. / / /, p- ,*'___,L13r::'-/--- 7':////i)'' .-, _ EdDham ED)/� I ( , ,111 \1 oI c co o vA CZ w o a) � o o 0+00 1+00 2+00 3+00 4+01 5+00 L i i O U N E )zz 1,955 1,955 Ts j W H 2 1,950 1,950 RDE SubmProject 20310 ittal: No: Concept Plans Date: 2020-05-18 Revisions: 2 0 20 0 8-24 dam-height reduction 2020-10-20 TB revisions 2020-10-30 HB revisions 2021-01-15 PCN submittal 1,945 1,945 0+00 1+00 2+00 3+00 4+00 5+00 ENGINEER PR1HOPEWELL HORIZONTAL SCALE: 1"=40' RobinsoeDeesgnEngineers NNC C 10 VERTICAL SCALE: 1"=4' 1293rd Avenue West Hendersonville,NC 28792 w ww.ro b in s on de s ig n en gi n ee r s.com profiles Hopewell Br. C201 c Copyright 2020 These drawings are the properly of \_ _/ Robinson Design Engineers antl may sot \\�/ N // be relied upon or reproduced without the �� \ f(/ \ express,written consent of Robinson ' �1, Design Engineers. '. it */ "17 . ' C .0. \ '401&.. 'Mao:7#,(IV i . ED \ \ ile \ 4 SCALE 1'= 100 �� a � I 100 50 0 100 300 14/1 io *4,'1 41/11 I / /) _/ ,_______ \ if.:), 4#, V1( fil / Nit T, \WM. J Pedm EXISTING GRADE og o a a aP a PROPOSED GRADE c a) E c a) E. 0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00 8+00 9+00 cm W IL 1,990 1,990 0 V2 W H RDE Project No: 20310 1,985 1,985 Submittal: Concept Plans Date: 2020-05-18 Revisions: 2 0 20 0 8-24 dam-height reduction 2020-10-20 TB revisions 2020-10-30 HB revisions 2021-01-15 PCN submittal 1,980 1,980 ENGINEER Robinson Design Engineers NC C3863 Philip Ellis,PE NC 39870 1,975 1,975 1293rd Avenue West Hendersonville,NC 28792 Graf.ro b in s on de s ig n en gi n ee r s.com profiles 1,970 1,970 0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00 8+00 9+00 Thomas Branch PR2 THOMAS BRANCH HORIZONTAL SCALE: 1"=40' VERTICAL SCALE: 1"=4' C202 c Copyright 2020 These tlr awes are the properly of % Robinson Design Engineers Dit may not 111%8i be relied upon or reproduced ootlhout the I express,mitten consent of Robinson ��� Design Engineers. 102LP g1 \Irak. / 11.-- dv--"O' /- I 10141siii illtit.,H,Wit Eh igkW, Ir 141. liiipjli ,ta,00,741 :101 ir N14-411M1111111.11° 1 \ .. --71r , ..) 1 ..• -..--r , 41 )1111 \ \ ,of \ ,) 11, 40 1/(6" )4- #4pom (T3 SCALE 1"= 40 �/®� ` s II II i kill I I I I I 40 20 a 40 120 r:7;4144, 9°' p. 2__ i i 0,,.20!0.•0•114‘1"11 V A t4 1 I il I.); —.. "--i'-------,:., ,I. ,.,I_If ifirroutaim. ..40,4000pri / ... r/ /Le-,-_,Aki-------4 _,..:; 1 , -13, _.......A401'' /-- _ t. ----- /- ___---7 i 77...„,_,. ........... 140 ,fr......,,,,,,, ..,..: k /14:t.s..vi ..... w„,i. ,..„, l c:=3 ' I\ , G30C»BedG BOG 4 I. � ....... / i A. 11111\ avAn2w,-3 / J j EXISTING GRADE g a i>s o PROPOSED GRADE > o -c 0.00 0+50 1.00 1.50 2.00 2i50 3.00 3i50 4.00 4i50 1 O a) Eoz 2,005 _ 2,005 w O Ts 2,000 — — — _ — — / z,000 C o , ca C H c>s w2 1,995 1,995 — ` / 4 Sub Project No: 20310 Concept T� V Submittal: Concept Plans Dat1,990 _ — — — — — —��' 1,990 Reeslons: 2o2o-os-la IN In— 2020- -2 dam-heightreduction 2020-10-20 TB revisions 2020-10-30 HB revisions 1,985 1,985 2021-01-15 PCN submittal 0.00 0i50 1.00 1.50 2.00 2i50 3.00 3i50 4.00 4i50 XS2 THOMAS BRANCH HORIZONTAL SCALE: 1"=16' ENGINEER VERTICAL SCALE: 1"=8' Robinson Design Engineers NCC-3863 Philip Ellis,PE NC 39870 1293rd Avenue West Hendersonville,NC 28792 v v v.robinsondesignengineers.com sections Thomas Branch C302 ROCK COFFERDAM TOP OF BANK LINER FINAL PUMP COFFERDAM CROSS-SECTION ScKKEP LINER COFFERDAM WORK 7 44:141014. WORK AREA AREA SUMP PIT _ _ _ _ AND PUMP COARSE AGGREGATE SANDBAGS CREEK BOTTOM EXCESS LINER 0 0 0 COFFERDAM PROFILE ENERGY DISSIPATING SURFACE FILTRATION AREA 0 U- NOTES: 1. THE LINER SHALL BE PLACED ON BOTTOM OF WATERWAY W/EXCESS LINER EXTENDING OUT OF THE COFFERED AREA. ONCE STONE IS PLACED, LINER WILL BE PULLED OVER ROCK AND EXTEND BEYOND PLAN VIEW THE PILE ON THE DOWNSTREAM SIDE. SANDBAGS WILL SECURE THE EXCESS LINER AS SHOWN. REFER TO THE STANDARD FOR LINER SPECIFICATIONS. REFERENCE STANDARD DWG. NO, Project IUM-503RF Designed Date Checked Date SHEET 5 OF 7 Approved Date DATE 7-09-2012 Attachment I Operation & Maintenance Manual For Beaver Dam Analogs Stream-Wetland Complex Operation & Maintenance Manual For Beaver Dam Analog Stream- Wetland Complex Prepared for The School of Wholeness & Enlightenment Madison County, NC July 8, 2021 41)1° NRobinsone 'I Engineers BDA O&M Plan // School of Wholeness and Enlightenment // Page 2 TABLE OF CONTENTS 1. INTRODUCTION 4 2. OBJECTIVES 5 2.1 SUPPORT WATER QUALITY IMPROVEMENT 5 2.2 PROVIDE FORAGE AND SHELTER FOR WILDLIFE 6 2.3 PROVIDE BEAUTIFUL AND INSPIRING SCENERY 7 3. MONITORING 8 3.1 BDA WEIR INSPECTIONS 8 3.2 HYDROLOGIC MONITORING 8 3.3 HYDRAULIC MONITORING 9 3.4 ALIGNMENT AND TEXTURE MAPPING 9 3.5 SEDIMENT MAPPING 9 3.6 WOOD MONITORING 10 3.7 PHYSIOCHEMICAL MONITORING 10 3.8 VEGETATION MONITORING 10 3.9 INVASIVE SPECIES MONITORING 11 4. ADAPTIVE MANAGEMENT 12 4.1 BDA WEIRS 12 4.2 VEGETATION PERFORMANCE 12 4.3 TEMPERATURE PERFORMANCE 12 5. REPORT PREPARATION AND SUBMITTAL 13 REFERENCES 13 BDA O&M Plan // School of Wholeness and Enlightenment // Page 3 APPENDICES APPENDIX A: Monitoring Maps APPENDIX B: Target Invasive Species A O&M Plan // snhool of Wholeness and ,, r 1. INTRODUCTION The applicant, Mulberry Farm Madison LLC represented by Richard Kelly, is seeking a Nationwide Permit 39 and Water Quality General Certification 4134 for 415 linear feet (0.0307 acres) of impact to streams and 0.044 acres of impacts to wetlands, and Nationwide Permit 27 and Water Quality General Certification 4139 for 1,828 linear feet (0.1315 acres) of impacts to streams and 0.064 acres of impacts to wetlands on Thomas Branch and Hopewell Branch and unnamed tributaries. The impacts are associated with the construction of a residential education and training center called the School for Wholeness and Enlightenment (SOWE). The project site consists of +/- 448 acres located at 1126 Upper Thomas Branch Road, Marshall, North Carolina. The applicant is submitting this O&M plan to satisfy the monitoring plan requirement for NWP 27 as a proposed permit condition. This document describes a monitoring and management regime that will require dedicated professionals to implement, but is applicable across the SOWE campus and is adaptable over time. This document replaces the previous monitoring plan submittal. The BDA stream-wetland complex systems will be monitored and evaluated based on the following quantifiable elements: - Rainfall accumulation - Surface water levels - Ground water levels - Water temperature and other physiochemical components - Dynamic fluvial traits - Vegetation species and density These elements will be evaluated, over time, to understand the trajectory of the system and adaptive management strategies will be implemented on a case-by-case basis depending on the system's trajectory. The ecological functioning of the stream-wetland complex and associated vegetation will make the SOWE campus beautiful and inspiring. 1 // 7VIIV 2. OBJECTIVES This manual offers practical guidance on the monitoring, maintenance, and adaptive management operations of the BDAs and associated wetland complex and vegetation at SOWE. These guidelines should serve SOWE staff in their efforts to maintain the health, function, and appearance of these areas.The design of these features has been carefully considered to augment ecosystem services that improve water quality, restore habitat, and enhance the visitor experience at SOWE.The key components contributing to these improvements are the BDA structures and the vegetation. As such, the purpose of this manual is to outline key considerations for maintaining the function and integrity of the BDAs and these important plant communities which will, in turn, support the health of the stream-wetland complex on the SOWE campus. The Monitoring and Management Objectives are listed below. • Support water quality improvement. • Provide forage and shelter for pollinators, aquatic invertebrates, and birds. • Provide beautiful and inspiring scenery (this objective will not compromise the preceding objectives) 2.1 Support Water Quality Improvement The American Beaver (Castor canadensis) were once common in stream systems across the United States and played an important ecological role. Beaver dams impound stream and river systems, creating wetlands that raise the ground water table and allow the adjacent wetlands to act as a sponge - absorbing flood waters and slowly releasing ground water - creating a more resilient system. This project uses beaver dam analogues (BDAs), which are structures designed to create similar hydrologic impacts as natural beaver dams. The existing streams proposed for restoration utilizing BDA features are poor quality ecosystems, with degraded channel and riparian functions. This manifests as homogenous stream bed structures, poorly established or absent woody plant buffer, and underutilized capacity for floodwater retention and attenuation. We expect the introduction of these BDA features to reduce slope gradient thereby reducing sediment transport capacity, diversifying bed sediments, and increasing ground water recharge. Enhanced flood storage capacity will be achieved by creating a highly accessible BDA O&M Plan // School of Wholeness and � y « � and topographically diverse floodplain, resulting in flattening and elongation of storm hydrographs. Through these fluvial processes, BDA features will create a heterogenous stream-wetland complex. Fluctuating surface water and groundwater levels within the wetland complex will promote nutrient transformation and assimilation, consequently improving freshwater habitat conditions in the project area. The native trees, shrubs, grasses, and herbaceous perennials planted around this wetland complex also contribute to water quality improvement in several ways. Vegetation decreases erosion by adding "roughness" that slows water velocity, and holding soil in place with deep, networked root systems. Additionally, many types of pollutants are taken up and absorbed by plants, reducing their occurrence in waterways. 2.2 Provide forage and shelter for wildlife Beaver dam-formed wetlands provide habitat for many species of birds, mammals, amphibians, and insects. Microtopography around the BDA structures will support a range of emergent species in shallow water areas and riparian species along the banks and on small hummocks that are crucial for bird nesting. The assemblage of plants selected for the BDA wetland complex provide an array of forage, blooming at different times of the year and serving different life stages of pollinator insect species. The shelter that these plants will offer comes in the form of hollow stemmed grasses perfect for encasing larval pollinators and dense undergrowth offering protection for ground nesting birds. In an experiment observing ecological productivity of agricultural hedgerows in the Mid-Atlantic region of the United States, researchers found that hedgerows consisting of non-native plants had 90% fewer caterpillars than their ecologically productive native plant counterparts (Richard et al. 2018). Given that most bird species are insectivorous at birth, one can imagine how the presence or absence of flourishing invertebrate communities impacts the availability of suitable nursery environments for avian life. BDA O&M Plan // School of Wholeness and Enlightenment // Page 7 Lawn habitat AM1eadawhahltat • yf ..a •' cVk� —Or ... Figure 1. The diagram above demonstrates the comparative ecological productivity (as measured by species interactions) of diverse native landscapes as compared to monocultures of close- cropped grasses. (Image: Sturm & Frischie (2020)) 2.3 Provide beautiful and inspiring scenery We have evolved to appreciate the gestalt presented by a well- functioning ecosystem. gestalt: an organized whole that is perceived as more than the sum of its parts. On the whole, it is the ecological functioning of the stream-wetland complex and associated vegetation that will make these stream- wetland complex systems beautiful and inspiring. However, some aesthetic components of the site maintenance will neither diminish nor enhance the ecological functions discussed above. For example, pruning trees for pedestrian safety and appearance in addition to health, choosing plants that have more charismatic flowers even if the pollinator benefits are the same, and planting in legible species clusters so that the eye can register patterns even though pollinators show no preference. Maintenance for aesthetic design will never take priority over ecological function, but it will enhance the visitor experience at SOWE. Joan Nassauer's essay, Messy Ecosystems, Orderly Frames offers some strategies that can be employed at SOWE to show what she terms "cues to care" in the landscape. Two example cues to care that could help people appreciate landscape at SOWE are: • Maintaining neat edges by mowing a narrow strip between the edge of the riparian vegetation zones and pedestrian paths. BDA O&M Plan // School of Wholeness and I L • Incorporating suitable native plants with large, showy flowers or foliage instead of using only plants with clusters of small flowers. Plants with diminutive flows are often perceived as weedy, and it is often easy to find showier native plants that fill the same ecological niche. 3. MONITORING It will be essential to monitor this novel ecosystem before establishment and through development for management and maintenance decisions. While regulatory requirements for BDA style restoration are not currently codified, we are proposing a rigorous monitoring regime to ensure onsite and downstream water quality protections. This monitoring is recommended to document the ongoing success of this milestone ecological restoration project and to ensure that the project is meeting intended goals. 3.1 BDA Weir Inspections If a beaver colony existed at this site, the BDA features would be in a constant state of structural maintenance. Beavers would be stacking stones, pressing mud, and weaving branches to ensure that the pools sustained depths sufficient for refuge. However, beavers are not expected to inhabit these features in the near future. Therefore: The pools and the entire linear length of the BDA weir will be visually inspected after every storm event which exceeds 1.5 inches in 24 hours. Overflow areas along the BDA weir will be noted and inspected for erosion after the water level drops. Reporting for these efforts will include field reports and photographs. 3.2 Hydrologic Monitoring Hydrologic monitoring will include continuous monitoring of rainfall, barometric pressure, and air temperature. Hydrologic monitoring will be evaluated to inform the SOWE's decisions for adapting the riparian, wetland, and open water areas towards the design goals. BDn ‘,I vv IIJIWI IWJJ unu onuyicn.. 3.3 Hydraulic Monitoring Groundwater monitoring wells and surface water monitoring gages will be recorded continuously. These will be installed to evaluate fluctuations and direction of flow between the BDA pools and the adjacent uplands. Groundwater levels will be evaluated to inform SOWE's decisions for adapting the riparian areas. Reporting for these gages will be a sub-hour time series that show relative elevations and accurately depict storm event hydrographs. 3.4 Alignment and Texture Mapping Annual aerial photographs will document the fluctuation in water flow paths through repeated inundation and drying cycles. The use of a drone aircraft will assist in documenting the aerial view of the site under varying hydrologic conditions. Alternatively, publicly available aerial imagery can be utilized to document changes over time. Reporting for these efforts will be annual maps that show changes in the channel alignment and clearly depict areas with an anabranched pattern. Annual texture mapping will be conducted to quantify roughness characteristics in the channel and floodplain. Texture Mapping that incorporates and quantifies all roughness features (e.g. vegetation, bedforms, grain roughness, etc.) will be accomplished discretizing areas by type and then quantifying the roughness of each feature. For example, gravel bars will be measured using the Wolman Pebble Count, and bedforms such as sand dunes will be measured directly. Reporting for these efforts will be annual polygon-based GIS maps that show changes in surface texture. 3.5 Sediment Mapping Annual longitudinal profile surveys will be performed across each in- channel BDA to evaluate scour, deposition, and crest elevations. Annual cross section surveys will be performed along select pools, upstream of BDA structures. The cross-sections will be monumented with permanent capped rebar pins on each bank to serve as a spatially referenced control. The cross-section surveys will be repeated annually using a laser-level, reel tape, and stadia BDA O&M Plan // School of Wholeness and Enlightenment // Page 10 rod. Photographs of each cross section facing upstream and downstream will be taken on the day of monitoring. The location of these control pins will be recorded with a sub-meter accuracy Global Positioning System (GPS) device. Stream surveys will follow the methodology contained in the USDA forest service manual "Stream Channel Reference Sites" (Harrelson, et al 1994). Reporting for these efforts will be to quantify sediment accumulation / erosion and observe long-term trends in aggradation or degradation of the system. 3.6 Wood Monitoring Annual mapping of large woody debris, snags, and rack-lines will be performed. Appropriate methods for these efforts include WooDDAM and LWDI. Reporting for these efforts will include an annual GIS map showing large debris and snags, along with the reports from the selected wood quantification method. 3.7 Physiochemical Monitoring Water temperature will be collected continuously and evaluated twice per year. Temperature measurements can be recorded continuously using HOBO "Pendant" MX Water Temperature Data Loggers. Other physicochemical samples will be collected annually. This monitoring will consist of turbidity, conductivity, pH, dissolved oxygen, and dissolved nutrients. Physicochemical monitoring stations will be established at the outlet of each BDA complex. Samples will be sent to PACE Analytical Laboratory for analysis. Baseline samples will be collected before creation of the BDA features. This information, along with state standards, will be used to evaluate the physiochemical affects that the BDA stream- wetland complex imposes on the receiving waters. Reporting for these efforts will be an annual report that quantifies temperature and other physiochemical affects to downstream waterways. 3.8 Vegetation Monitoring BDA O&M Plan // School of Wholeness and Enlightenment // ^age 11 Vegetation monitoring will consist of plots along transects spanning from the deep pool to the upper edge of the upper riparian zone. The vegetation plots will utilize methods established by the Carolina Vegetation Survey-EEP Level 3 Protocol (Lee et al., 2008). Level 3 plots document the overall abundance and of leaf area cover of the more common species in a plot. Cover is estimated for all plant species exceeding a specified lower level (typically 5% cover); species present but with cover lower than the cut-off may be ignored. In these plots, natural and planted woody stems are recorded by size class and vigor. These plots allow an accurate and rapid assessment of the overall trajectory of woody-plant restoration and regeneration on a site. The information collected meets the Ecological Society of America (ESA) guidelines and Federal Geographic Data Committee (FGDC) standards for plots used to classify vegetation to an association within the U.S. National Vegetation Classification (NVC). Plots shall be established as shown in the appendix. Assessments will begin being conducted after construction. 3.9 Invasive Species Monitoring Seven invasive species have been identified for monitoring and targeted control, and the appendix of this manual helps with identification of these species. Care should be taken to note the presence of these species in the vegetation plots and calculate the percent invasive cover for each plot. This list is not exhaustive, but it should serve as a small, targeted list highlighting the most immediate threats of colonization by exotic invasives while the focal plant species populations establish. The seven target invasive species (described further in the appendix) include: • Royal paulownia (Paulownia tomentosa) • Asian bittersweet (Celastrus orbiculata) • Chinese Privet (Ligustrum sinense) • Multiflora rose (Rosa multiflora) • Japanese barberry (Berberis thunbergii) • Autumn olive (Elaeagnus umbellata) • Goat willow (Salix caprea) In addition to the above, these species are a serious problem in the North Carolina mountains region and should be monitored: • Tree of Heaven (Ailanthus altissima) • Japanese Meadowsweet (Spiraea japonica) • Japanese Knotweed (Polygonum cuspidatum) • Chinese Yam (Dioscorea polystachya) • Chinese Silvergrass (Miscanthus sinensis) • Coltsfoot (Tussilago farafara) • Japanese stiltgrass (Microstegium vimineum) • Garlic Mustard (Ai//aria petio/ata) • Mimosa (Albizia julibrissin) 4. ADAPTIVE MANAGEMENT In general, this management regime has the goal of maintaining or improving post-construction site conditions over baseline conditions, thereby restoring or enhancing the ecosystem. The following sections outline adaptive strategies that aim to maintain or enhance the physical, chemical, and biological integrity of surface waters, both on-site and off-site (downstream). 4.1 BDA Weirs Erosion and degradation of the BDA weirs is expected. If the in- channel portions of the BDA are found to be eroded, or "shortened," they will be refreshed by hand in accordance with engineering plans using similar materials (e.g. stone grain size) to rebuild the feature. No large equipment (e.g. track hoes or mini excavators) shall be used below the ordinary high water mark. If the in-floodplain portions of the BDA weir are found to be eroded or degraded, they can be rebuilt in accordance with the engineering plans using similar materials. Live stakes or other hardy vegetation will aid in "roughening" and "reinforcing" areas that tend to degrade. No large equipment (e.g. track hoes or mini excavators) shall be used below the ordinary high water mark. 4.2 Vegetation Performance Groundwater and surface water will be evaluated alongside performance of vegetation. SOWE will assess the need to adjust the planting plan and propagate species upslope or downslope based on the data. 4.3 Temperature Performance Temperature impacts are not expected to create any deleterious effects downstream. However, if temperature spikes are observed, shade-provisioning vegetation can be installed in areas that are accepting solar radiation. BDA O&M Plan // School of Wholeness and Enlightenment // Page 13 5. REPORT PREPARATION AND SUBMITTAL The applicant will prepare three (3) annual monitoring reports beginning post construction (anticipated in 2022) and spanning through 2025. The annual monitoring summary will indicate any project components that may require repair or maintenance. The reports will be submitted by December 31 of each year to USACE and DWR. REFERENCES Davis, J.C., G.W. Minshall, C.T. Robinson, and P. Landres, 2001. Large Woody Debris. In Monitoring Wilderness Stream Ecosystems. General Technical Report RMRS- GTR-70, pp. 73-77. US Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fort Collins, Colorado. Harman, W.A., T.B. Barrett, C.J. Jones, A. James, and H.M. Peel. 2017. Application of the Large Woody Debris Index: A Field User Manual Version 1. Stream Mechanics and Ecosystem Planning & Restoration, Raleigh, N.C. Harrelson, C.C., Rawlins, C.L., and Potyondy, 1994. Stream Channel Reference Sites: an illustrated guide to field technique. Rep. RM-245. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station. 61 p. Lee, M. T., Peet, R. K., Roberts, S. D., and Wentworth, T. R. 2008. CVS-EEP Protocol for Recording Vegetation: All Levels of Plot Sampling, Version 4.2. Nassauer, J. 1995. Messy Ecosystems, Orderly Frames. Landscape Journa/14 (2): 161-170. Richard, M., Tallamy, D.W. & Mitchell, A.B. 2018. Introduced plants reduce species interactions. Biollnvasions 21:983-992. Sturm, A. and Frischie, S. Mid-Atlantic Native Meadows: Guidelines for Planning, Preparation, Design, Installation, and Maintenance. Mahan Rykiel Associates and Xerces Society. Appendix A: Monitoring Maps Temperature Measurement Locations LEGEND TMA ExISnNG WETLANDS TBSB E%LSTNG STREAM CENTERLINE PROPCGCONTOO -PROPOSEDCNTOUR ' PROPOSED BDA UR MAX POTENTAL y N ..„� 1 \ INUNDATION EXTENTS PROPOSED r\4......_ IMPERMEABLE MAT:RLAL e t i '*: 'N4 --r--------PROPOSED WALMNG PATH Thl..°1•064 4J e \ \ \t. 7 U...7111\ 1 \t/466 AA 4 -- PI ' e 1 ) 411„, ' IN.,,,..4,,!‘r.i/ Pi"TBO: ) ommiwillisylle C II%\ '-} iltAkUirt 'UV iiEtik r Arlo il u \, .....1 ...At NI k e , ) r Bt _ --: ,_ , ‘ . ,,,,,,,,, _ , \\ \ III I II �� IL I L 61 Appendix A: Monitoring Maps Vegetation Monitoring Plots #441 I ;iiii, \ 1 9216 r�'' ,k5 ,, ,, ..,, -,,,,„ , ,\ ..,,,, ,4 \\ `11 - IL ,:„...,3/4. _,.. ..44,.....,,,, .. ...,,,fti...„.....„. \ * , , 40,-, °it1%®i..„-.,:z1, -,...„...„. „..,, �=' i ,,,,,. , .. ,.,.:. ,4c<, ,ito .0) , „ . _ ., 4,.. 1,,k N ,,, ,o,__ TB1-2 Plots -O 11 � t.tril 1 I 1t1S14 _ Lig 'a 4 .11 I ; 4; ‘ ;ti 1 1-I 177 N' r as, I ____ , ell la toor,'4).4 \-4;,,z,„tA aik,_ ___ 6, u,..1 r;:,r. .„-\.\ -. 1 6' I� .. ----''''air_____-.4.111A1- PriiiiilMil 9A1 I� -`- 1 - -3��� • 00\ LJfIi 111W, H riNk,c,, ---L \;t1M/SkiiP;14/ : '�'�). 1 i TB3-4 Plots -p 1-1, � Appendix A: Monitoring Maps Vegetation Monitoring Transects $ \ \ ilir' \ - *Of 4 , dill At*wit_ i V il 44 'Ba \ '#,4 r...,2„.... •S - 1 vifilL il V-5.,...1_,- ..... * 4.k'' --4 ,_, TB5 Plots -O 1-1o Aiiii)V- ____ \ 1 INII__,,,,,.... ..41 . N.- ,,,N4. f -- �idri0 f ll 9A i0 �i „ TB6 Plots -O 1-10 Appendix A: Monitoring Maps Vegetation Monitoring Transects i , j # W V7 ,y LI ,., iViiiii0 ..%ii.w_ l' Alb v. c) ., , p,, .., .i, im___4111611001 /00,,/ bI \o a¢ 40,06( -c.tr--,. ...... iipii:,-2-ib. ., HB4 Plots -O 11 � Appendix B: Target Invasive Species Japanese barberry (Berberis thunberg/i) Asian bittersweet (Ce/astrus orbicu/ata) 444. ...- . "• me c .,,,,,,, to.•a.: , • '-' /Ole • r '' ' ..' ' 0 1 ,awr :, ' ' .,,,_ :--A: •• '.'..- : 61:61. 1';1".'..''''i' . *.:E.;' r ' I A' -* ..4, -‘.11,,„ :,.... * -4, .. .. . , . .. . .: rif . 1 .I 6 ak: Creamy white The bright red C. orbculata in flower C. orbculata's red flowers appear in berries of B. - After flowering, berries appear in late Spring. Spines are thunbergii persist orange-yellow fall to winter. present along the through winter. capsules appear. stem. Autumn olive (Elaeagnus umbellata) Chinese Privet (Ligustrum sinense) ' it ' 1y1k, 4. 1 .- , 11\a‘41‘ f,� , „-...,1*--%,1"; "I-2,,*t 0 / 0' :\ _ , ,aF - '(S/ ...,1a \ \, .,,,_ W . 1= 1_ .. , White to pale yellow, E. umbellata fruits L. sinense has Berries of L. sinense fragrant flowers are brown to red white flowers and are green in summer form in early summer. with brown to silvery an opposite leaf and turn dark blue by Leaves are alternate. specks. arrangement. late fall. Royal paulownia (Paulownia tomentosa) Multiflora rose (Rosa multiflora) •�1 tie -" ., j 5 ` 3 '%. t` 1 ■E • ',conk '. ' . ,At to .-e, ior • - Jr_ 14 it ill — > - 5' VGA512' P. tomentosa P. tomentosa leaves R. multiflora has Red fruits form at flowering structure grow in an opposite white flowers. The the end of summer. leaf arrangement in leaves are alternate sets of two. compound, and leaflets are arranged opposite one another. Appendix B: Target Invasive Species Goat willow (Salix caprea) is4 S. caprea have broad Male catkins are grey elliptic to oblong and oval shaped and leaves that are dark become yellow when green on top ripe with pollen