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HomeMy WebLinkAbout20051812 Ver 1_Complete File_20050923 i r r r r ? - McGill CONSULTING ENGINEERS ASHEVILLE,NORTH'CAROLINA STREAM REPAIRS & BANK STABILIZATION PLAN FOR Peeks Creek Site Macon County, North Carolina 1 - ! i " 7- kL %`??i1t191B?1p®0® 0 Rios °Ld993 -l i o Prepared by: McGill ASSOCIATES Prepared for MACON COUNTY ??O od September 2005 ?Q av?' ems' o? In conjunction withv Fish and Wildlife Associates, Inc. Peeks Creek - Stream Repairs & Bank Stabilization Plan September 2005 Macon County McGill Associates, P.A. 1.' PROJECT PURPOSE & DESCRIPTION L I The purpose of this project is to stabilize and/or repair eroded and unstable stream banks, streambed and the associated riparian area along Peeks Creek that were impacted by flood flows from Hurricanes Frances and Ivan in September of 2004 as well as a landslide resulting from the flood flows. Peeks Creek experienced a devastating landslide during the 2004 flooding that destroyed several houses and caused much personal property damage. Unfortunately, the landslide also caused loss of life as well as several serious injuries to the residents living along Peeks Creek. The slide denuded the entire riparian area for several hundred feet along the general direction of Peeks Creek and destroyed the State-maintained road that was near the streambed as well as several houses. The severely eroded stream banks consist of exposed soil and rock on moderate to steep slopes, which, if transported during another high flow event, could block downstream culverts and bridges as well as cause increased erosion that could potentially threaten property and structures located along Peeks Creek. As desired by the landowners and charged to us by Macon County, North Carolina, the proposed design is intended to construct a stabilized stream bank and streambed. The instability of this section of Peeks Creek will remain a threat to the environmental recovery of the stream as well as to the property and roadway located along the stream if careful, quick repairs are not performed soon. The work described in this Stream Repair and Bank Stabilization Plan (Repair Plan) is urgent and compelling work under the National Resource Conservation Service (MRCS) Emergency Watershed Protection (EWP) program to protect existing property and structures. NRCS is the funding agency and Macon County / Macon Soil and Water Conservation District (SWCD) is the sponsor and responsible party for the project. Work will consist of repair and stabilization effort only, and is not considered natural channel restoration or enhancement work. However, some methods and approaches utilized in the proposed repairs are routinely applied in natural channel design efforts due to their ability to protect channel banks from shear stresses and the resultant erosion and damage. All work in or near surface waters will be fully supervised by trained personnel from both McGill Associates and Fish and Wildlife Associates (FWS). This site is one of three sites selected for repair within Macon County. 2. SITE DESCRIPTION DSR #2 - Peeks Creek - Peeks Creek (C, Tr) - The repair site is approximately 3,650 feet in length and is located along Peeks Creek in Macon County, NC. This area is located ' adjacent to Peeks Creek Road as well as above the roadway. Please refer to repair plans for photographs, mapping, imagery, and details of existing site conditions. ' Approximately 3,650 feet of both channel banks were severely damaged through bank erosion, soil loss and debris movement. The banks are referenced as descending when facing downstream and ascending when facing upstream. 2 f J Peeks Creek - Stream Repairs & Bank Stabilization Plan September 2005 Macon County McGill Associates, P.A. The majority of the repair is located off Peeks Creek Road and access to the repair areas will not be an issue. Approximately 600 feet of the upper end of the repair is located above the roadway although the area remains accessible, it will be more difficult to access. Utilities will be located and marked by the contractor prior to construction. The disturbed area for the proposed repair and stabilization exceeds one acre. Therefore, Macon County will have to secure an Erosion Control Permit from the North Carolina Division of Environment and Natural Resources (NCDENR) Division of Land Quality. The work proposed at the Peeks Creek site will have to be permitted by the U.S. Army Corps of Engineers (Section 404 permit) and also the N.C. Department of Environment and Natural Resources, Division of Water Quality (Section 401 Water Quality Certification). 3. REPAIR OBJECTIVES AND DESIGN CONSIDERATIONS Despite the extensive damage experienced along Peeks Creek and to its banks, Peeks Creek has re-established a "working" stream channel. The streambed in many locations has encountered bedrock and Peeks Creek has worked its way through the huge boulders and large rock that are located in the channel. However, in several areas the re- established stream channel is unstable and subject to "shifting" in response to even small increased stream flow events such as an "annual" storm. This shifting activity will greatly increase the potential for stream bank and streambed erosion as well as endangering property and structures that are located along Peeks Creek, including the North Carolina Division of Transportation (NC DOT) roadway itself. Additionally, there are many areas where unconsolidated weathered rock and soil are in danger of being washed into the stream. The instability of this section of Peeks Creek will remain a threat to the environmental recovery of the stream as well as to the property and roadway located along the stream, without proper repairs being implemented. The EWP work proposed for this site will utilize sound engineering practices and natural stream restoration principles to stabilize the streambed and the stream banks in this area. EWP guidelines will be followed in developing and constructing/installing these stream repairs. The most basic principle of the EWP work is to attempt to restore the site to "pre-flood conditions." Under more common examples of EWP related sites, the "pre-flood" conditions are easier to define. For Peeks Creek, the slide has essentially reconfigured the entire streambed and the riparian area associated with the previous waterway. Therefore, every effort will be made to stabilize the streambed and riparian area associated with the current stream configuration, consistent with the character of this type and size of stream located in the mountains of Macon County. Interviews with residents of Peeks Creek have also provided some insight as to the original stream configuration. In several of the stream segments to be repaired, Peeks Creek's current alignment is threatening unprotected bank areas and/or the NC DOT roadway. The proposed repair effort will minimize realignment. However, stream realignment will be used-wherever reorienting the stream flow direction will better protect stream integrity, stabilize the streambed, and minimize sedimentation and erosion. These areas are marked on the Proposed Repair Plan. 3 I 1 Peeks Creek - Stream Repairs & Bank Stabilization Plan September 2005 Macon County McGill Associates, P.A. Residual rock material along Peeks Creek will be used to provide appropriate protection of the banks and for stream bank toe stabilization as needed. The use of large boulder material will be the primary method of protecting the stream and the banks because of the materials' ability to resist storm flow forces and velocities. Non-woven geotextile material will be used to line the landward side of the boulder structures to retain smaller fill material (stone and earth) in order to prevent erosion and sediment loss and to provide a more stable retaining system for the soil that will be added to enhance planting success. Plantings are specified in accordance with typical native streamside vegetation of this region. As noted, the slide removed the vegetation and most of the streamside soil that was a part of the Peeks Creek riparian area, leaving a boulder and rock-strewn area along both sides of the stream. In order to increase the success of plantings for this repair, placement of appropriate soil material will be needed. Every effort will be made during the installation and the construction process to reduce sedimentation and erosion and to provide a stable stream channel and bank repair that will allow the new plantings to take hold and further strengthen the underlying soil and rock structures placed in and along the Peeks Creek stream system. Along much of the repair section, the State-maintained road runs along the Peeks Creek corridor. In some areas, Peeks Creek is less than five feet from the road edge. In each case, where it is possible and consistent with the natural repair objectives and EWP guidelines, the stream will be relocated away from the road and the stream bank along the road will be stabilized using boulder toe stabilization.- As storm events continue to impact this stream and the land along Peeks Creek, the objective of these repairs is to provide protection of the property and resources along the stream. In-channel structures have been indicated on the repair plans for areas where such structures are needed to retain or reestablish streambed orientation and to protect bank repairs. These structures will follow the construction and installation details provided in the plans. Stream structures, along with bank and toe stabilization installations, are proposed in order to retain the natural "pool-riffle" character of Peeks Creek and to strengthen and enhance the longevity of all the repair efforts. Clean, coarse material will be used within the flowing waters of Peeks Creek in order to reduce the potential for sediment in the stream. The Contractor will carefully manage fuel and lubrication materials for construction equipment to prevent any loss to the stream and any impact to the surrounding areas. Stream crossings with equipment will be minimized and used only when access limitations require a crossing. 4. TYPICAL REPAIR DETAILS AND OPTIONS The Proposed Repair Plan is designed to repair and stabilize the banks and streambed along Peeks Creek and is not considered natural channel restoration or enhancement work. However, some methods and approaches utilized in the proposed repairs are routinely applied in natural channel design efforts due to their ability to protect channel 4 ' Peeks Creek - Stream Repairs & Bank Stabilization Plan September 2005 Macon County McGill Associates, P.A. banks from shear stresses and the resultant erosion. Due to previous alterations of the channel, including but not limited to the landslide of 2004, bridge construction, and bank ' grading, the channel banks in relation to original widths and slopes have been modified considerably. This has made the identification of the "natural" condition of the channel very difficult. ' For comparison purposes, we attempted to confirm our "channel bank" location by comparing the resultant "channel width" to available Regional Curve data. Based on a review of site data (upstream and/or downstream) and our estimated "channel bank" location, we estimated the pre-disturbance "channel width" at approximately 20 feet. We compared this "channel width" to estimated bankfull width as determined from available (preliminary) mountain Regional Curve data (SRI) for the appropriate drainage area. The regional curve indicates a bankfull width of approximately 30 feet based on a drainage area of 3 square miles. Based on this comparison, it is our opinion that the estimated pre- disturbance "channel location" is appropriate. As shown on the attached repair plans and design details, we recommend that the repaired slopes be reconstructed and backfilled with excavated channel material (or deposited material recovered from the floodplain), available on-site or off-site earth fill, and in some cases imported stone aggregate. The location of the toe of the repaired slope ' will be field determined to allow for the development of a typical repair application along the reach. Our Repair Plan calls for the incorporation of in-stream structures, rock movement, and several typical repair types ("A", "B", "C", anD and ' stabilizations types ("A" and "B"). ' Repair Types The typical Repair Types "A", "B" and "C" will divide the stream bank to be repaired into three bank zones, Upper, Mid-, and Lower for slope, stabilization measures, and planting recommendations. The bank zones tie into each other as depicted on the Repair Plan for each type of repair. Repair Type "D" will be used to repair banks not located directly on the stream's edge and will consist of grading areas that are part of the repair to i a gentle slope. The Lower Bank Zone of the repairs shall be constructed using riverbed borrow consisting of sand, gravel, cobble and small boulders and any necessary off-site borrow materials. This zone will be graded as shown for each repair type as depicted in the details of the Repair Plan and over seeded with the appropriate temporary and permanent grasses and vegetation for the season. As this zone is within the "active channel", it will be lined with CF-7 (coir fiber) erosion control matting (or equivalent) and backfilled with the above recommended coarse (bed) material. The Mid-Bank Zone should be graded as shown for each Repair Type using varying fill materials including both riverbed borrow and other suitable borrow sources. Benches constructed in the Mid-Bank Zone are also bankfull benches. Since this zone is located out of the "active channel", it should be lined with excelsior (wood fiber) erosion control ?I ' Peeks Creek - Stream Repairs & Bank Stabilization Plan September 2005 Macon County McGill Associates, P.A. matting (or equivalent) and planted with the select shrubs and trees of the species and density described in the planting details. This zone should also be over seeded with erosion control grasses and native vegetation. The Upper Bank Zone should also be graded as shown in the Repair Plan details for each ' Repair Type and use varying fill materials so that it blends the Mid-Bank Zone with the surrounding floodplain grade or proposed tie-in location. This zone should be lined with excelsior (wood fiber) erosion control matting (or equivalent) and planted with select tree ' and shrub species at the density described in the planting detail as well as over seeded with erosion control grasses and natural vegetation. r Repair Type "A" will be sloped at a 1H:2V angle or greater with no Mid-Bank Zone bench. Repair Type "B" will have a bankfull bench located at the Mid-Bank Zone as well as a French drain installed under the slope as shown in the details of the ' Construction Drawings. This repair type will be utilized in area where significant groundwater flow is entering the stream and could compromise the proposed repairs if a proper flow path is not provided. Repair Type "C" will have a bankfull bench located at the Mid-Bank Zone. 11 d Li Toe Stabilization Two (2) types of toe stabilization will be recommended for the Peeks Creek site. Toe Bank Stabilization Type "A" is for areas where the streamhas already reached bedrock and no excavation is required for placement of the footer rock. Type "B" will be used in areas of unconsolidated material where the Contractor will excavate to stabile material before placing the footer rock. The landward side of these structures will be lined with a non-woven fabric and backfilled with excavated channel material and in some cases imported stone (off-site riverbed borrow materials or other available coarse aggregate if approved by the designer) to improve stability and reduce the potential for piping. The height of each toe stabilization is depicted on the Proposed Repair Plan of the Construction Drawings. The designer will determine the exact location and extent of toe stabilization measures at the time of construction. In-channel Structures Portions of the repaired channel bank will be augmented with in-channel structures including rock cross vanes and possibly constructed riffles. These structures will be utilized to reinforce and stabilize the proposed bank repairs. All structures will be constructed out of natural materials typically consisting of locally quarried boulders or boulders utilized from the site. The upstream side of these structures will be lined with a non-woven fabric and backfilled with excavated channel material and in some cases imported stone (off-site riverbed borrow materials or other available coarse aggregate if approved by the designer) to improve stability and reduce the potential for piping. 6 ' Peeks Creek - Stream Repairs & Bank Stabilization Plan September 2005 Macon County McGill Associates, P.A. These in-stream structures concentrate stream energy toward the center of the channel and away from the near-bank areas. In doing so, the structure reduces shear stress along the banks and prevents bank erosion. (In this case, such structures allow for an additional measure of protection of the repaired bank until vegetation can take hold). The in-stream structures also provide grade control. The attached Repair Plan generally describes the number and type of in-channel structures to be installed. The designer will determine the exact spacing, length, and location of the in-channel structures at the time of construction. For planning purposes, we estimate that a minimum of thirty-six (36) rock cross vane structures will be installed along the repair reach. A detail of a cross vane structure is shown in the Construction Drawings. During construction, some of the rock cross vane structures may be replaced by constructed riffles depending on the material available. ' Bank Plantings A riparian buffer area will be established along the repaired channel bank as part of the proposed Repair Plan. The riparian zone will include all three Bank Zones (Lower, Mid-, and Upper). These areas will be seeded and planted with the appropriate native riparian vegetation and will provide channel stability and treatment of surface waters traveling laterally through the buffer. Species will consist primarily of native trees, shrubs and vegetation. The repaired bank will be planted with the appropriate channel bank species in the form of live stakes, bare- root seedlings, seeds, and transplants where available. Native trees and shrubs that are available elsewhere on-site will be removed with as much of the root ball intact and transplanted adjacent to the restored channel or in the floodplain. The majority of the planting efforts (with the exception of live stakes) should be performed in the fall season to increase survivability. Vegetation will be supplied by locally identified plant sources or purchased from local, reputable nurseries. Other sources, outside of the local area, may be used depending on the availability of plant material and as approved by the designer. Tree species individuals will be planted randomly at a 10 ft. by 10 ft. spacing. The planting plan will include a minimum of five of the eight tree species listed in the planting schedule. The preferred species that should be used on this project shall be Sweet Birch (Betula lenta), Red Maple (Acer rubrum), and River Birch (Betula nigra). ' Plants shall be installed as shown in the planting details. Shrub species will be planted at a lower density and farther spacing (12 ft. by 12 ft.). The ' planting plan will include a minimum of three of the six shrubs listed in the planting schedule. Highland Doghobble (Leucothoe fontanesiana) and Rhododendron (Rhododendron maximum) shall be planned in shaded to partial sun areas only. Live stakes are specified and will be planted where possible on a spacing of 4 ft. (along bank) by 3ft. (width) consisting of Silky Dogwood. Live stakes will be cut and installed 7 ' Peeks Creek - Stream Repairs & Bank Stabilization Plan September 2005 Macon County McGill Associates, P.A. ' as shown in the planting details. The live stake planting will be performed in the spring of 2006 to increase survivability. ' d di t b i rec te to o serve an A representative of McGill Associates or FWA will be on s planting efforts associated with the buffer restoration. The designer must approve ' substitution of tree, shrub, and live stake species in advance. Temporary and/or permanent seeding measures (German millet, rye grass, or the most ' appropriate erosion control grass as dictated by the season or region) will be applied to areas disturbed during grading operations to allow for localized stabilization while riparian species establish themselves. Two (2) seed mixtures will also be applied to this ' project. In the Lower Bank Zone, the following native species herbaceous seeding mixture should be planted: Scarlet Beebalm (Monarda didyma), Jewelweed (Impatiens capensis), Elderberry (Sambucus Canadensis), Common Rush (Juncus effuses), Forget- me-not (Myosotis scorpioides), and Sedge (Carex sp.). In the Mid-Bank and Upper Bank Zones, the following native species herbaceous seeding mixture should be planted: Queen Anne's lace (Daucus carota), Red Clover (Trifolium pratense), Narrowleaf f li t l S i ' a), a per o a pecu ar Looking-glass ( Plantain (Plantago lanceolata), Clasping Venus Common Plantain (Plantago major), and native grasses. 5. PROPOSED REPAIR PLAN There are twenty-six (26) proposed repair sections along Peeks Creek. The Construction ' Drawings include pictures that show individual rocks, debris, and items that need to be moved as part of this Proposed Repair Plan. Please refer to these pictures when reading the repair descriptions. The proposed repairs for these sections are as follows: Repair 1 (R-1) ' This section is approximately 35 feet long and is along the left descending bank. It will be stabilized using Toe Stabilization Type "A" at a height of one (1) boulder high. The bank will then be repaired using Repair Type "A". Repair 2 (R-2) This section is approximately 40 feet long and is along the right descending bank. It will be stabilized using Toe Stabilization Type "A" at a height of one (1) boulder high. The ' bank will then be repaired using Repair Type "D". As part of this repair, the plug will be removed from the overflow channel that is located adjacent to the large boulder. Repair 3 (R-3) This section is approximately 100 feet long. The rock and soil along the left descending bank shall be removed to the elevation of the bankf ill bench. The rock will be used in Repair 4. Use the rocks in the middle of the existing stream at Station 13+65 to redirect 8 LI 17L U Peeks Creek - Stream Repairs & Bank Stabilization Plan September 2005 Macon County McGill Associates, P.A. the channel to the left of its existing flowline. Use rocks to raise the elevation of the existing channel, thus blocking off the replaced channel. Repair 4 (R-4) This section is approximately 25 feet long. The large boulders from the boulder pile on the right descending bank will be used for Toe Stabilization Type "B" at a height of one (1) boulder high as well as rock from Repair 3. The bank will then be repaired using Repair Type "A". Repair 5 (R-5) This section is approximately 50 feet long. Remove the woody debris next to the bank in the channel cut by the landslide. Move the large rock located up on the slope, down to the toe of the slope. The bank from Station 13+25 to 13+50 will be repaired using Repair Type "D". From Station 13+50 to 13+75, the bank will be repaired using Repair Type "C". The pool located at Station 13+75 will be eliminated. Repair 6 (R-6) This section is approximately 30 feet long. On the left descending bank, the stream channel will be moved to the left and the woody debris and gold colored rock should be moved. The medium-sized boulder in the center of the new channel shall be moved. Use these rocks to fill in the pool on the right descending bank where the two tributaries come into the existing stream. The right descending bank shall be repaired using Repair Type "A„ Repair 7 (R-7) At Station 15+00, a pool will be constructed at the base of the drop from the new channel. The depth will be determined at time of construction. Repair 8 (R-8) Construct a cross vane in the new stream channel at Station 15+25. Repair 9 (R-9) This section is approximately 100 feet long. The stream channel will be redirected to the left of the former channel that is located between two large boulders. To begin construction, remove the cobble and gravel to the appropriate elevation to allow the stream to flow at the old channel depth. Move the rocks in the old channel as necessary to obtain the proper flow and drop. Once the old channel is established, use rock and fill to raise the base elevation and block the flow of water to the existing channel. 9 ' Peeks Creek - Stream Repairs & Bank Stabilization Plan September 2005 Macon County McGill Associates, P.A. ' Repair 10 (R-10) This section is approximately 80 feet long. Block the overflow channel at Station 15+50 then use Repair Type "C" to repair the right descending bank. Repair 11 (R-1) At Station 16+00, remove the large rock from the middle of the stream near where the ' tributary on the left descending bank enters Peeks Creek. Place the rock on the left descending bank. ' Repair 12 (R-12) Remove the large gold-colored rock that is partially under the bridge at Station 17+45. ' Armor the left descending bank at the upstream corner of the bridge as shown in the Construction Drawings. Repair 13 (R-13) This section is approximately 20 feet long. Repair the right descending bank with Repair ' Type "A". Extend the Mid-Zone Bank (bankfull) bench to the bedrock. Repair 14 (R-14) h i t g At Station 19+50, leave the tree over the stream and plant the bare slope on the r descending bank with vegetation. ' Repair 15 (R-15) ' Move the whale tail-shaped rock to the left descending bank at Station 20+95, set the rock with the flat edge down, and position it to deflect the stream to the right. Move the small grey rock with the mica and possibly one other rock as necessary to help shift the stream channel to the right. Reestablish the banks at the bankfull height using Repair Type "B". ' Repair 16 (R-16) Reconstruct the stream channel for the entering tributary at Station 23+45 on the left ' descending bank. Place four (4) cross rock vanes or constructed riffles at every 20 liner feet starting at Station 23+40. ' Repair 17 (R-17) ' This section is approximately 65 feet long. This repair consists of moving the existing channel to its former location through the large cobble/boulder pile. Fill the existing channel using Repair Type "D". 1 10 ' Peeks Creek - Stream Repairs & Bank Stabilization Plan September 2005 Macon County McGill Associates, P.A. Repair 18 (R-18) This section is approximately 440 feet long. Reconstruct the streambed through the boulder field from Station 25+60 to 28+50, moving it 10' from. the road. First, dig the new channel in the dry, placing part of the material in the channel along the slope on the ' right. Due to groundwater inflow from Station 25+75 to 28+00, a French drain as shown in the Construction Drawings will be installed along the channel bed. This will be Repair Type "C". The channel will remain daylighted to carry the flow from a spring and the pipe on the right. Place fifteen (15) cross rock vanes or constructed riffles at every 25 linear feet of the new channel starting at Station 25+50. F I J 1 [71 Repair 19 (R-19) This section is approximately 75 feet long. Eliminate the three (3) channels below the confluence of Peeks Creek and the tributary on the right by removing cobble and boulders in the middle of the stream. Consolidate the two (2) channels into one (1) at Station 29+00 through 29+25. The stream bank along Station 28+50 through 30+00 will have a Repair Type "D" from the stream bank to the road. Repair 20 (R-20) This section is approximately 25 feet long. The left descending bank will be built up to direct the stream away from the pool at the bottom of the culvert. The boulder located in the middle of the stream will be removed. The right descending bank should be lowered and the material put on the left descending bank until both banks have an equal elevation. Use Repair Type "B" to build the banks. Repair 21 (R-21) This section is approximately 90 feet long. Move the flat slate rock located below the tributary on left, that is tilted up and broken, and place it on the left descending bank. The right descending bank shall be repaired using Repair Type "A". Excess material can be used in Repair 19 (R-19). Repair 22 (R-22) This section is approximately 35 feet long. The stream channel will be redirected toward the right. The left descending bank will be reconfigured and the right descending bank will be reshaped with a Mid-Zone Bank (bankfull) bench (similar to Repair Type `B"). Repair 23 (R-23) This section is approximately 50 feet long. Repair the right descending bank with Repair Type "C" so that the bench is two (2) feet wide. The left descending bank shall be repaired to reestablish the old roadway shoulder using Repair Type "D". 11 ' Peeks Creek - Stream Repairs & Bank Stabilization Plan September 2005 Macon County McGill Associates, P.A. ' Repair 24 (R-24) This section is approximately 405 feet long. Relocate the stream channel an average of ' 25 feet to the right from Station 33+95 to 37+60. Extend the culvert located at Station 36+20. Fill the existing channel using Repair Type "A". The tributary on the right will daylight into Peeks Creek at Station 37+60. The right descending bank shall be repaired ' from Station 37+50 to 38+00 using Repair Type "A". Place nine (9) cross rock vane or constructed riffles at every 50 linear feet of the new channel starting at Station 34+00. ' Repair 25 (R-25) This section is approximately 360 feet long. Move the streambed to the left to re- establish the former channel. The channel will cross under the old bridge and cross the stream at Station 42+90. The channel should be constructed to the right of the red maple tree and join with the tributary on the right. Tie into the existing channel at Station 44+75. Place seven (7) cross rock vanes or constructed riffles at every 50 linear feet of the new channel starting at Station 41+25. Repair 26 (R-26) At Section 44+75, remove the end portion of the concrete pad and metal immediately ' downstream. Leave all other debris in the left bank. Construction Drawings for the proposed Stream Repair and Bank Stabilization Plan including the proposed repairs, a construction sequence, structure details, erosion and sediment control details, and a planting schedule and details are attached. Technical Specifications are also attached. 6. REGULATORY REQUIREMENTS 401 WATER C?UALITY CERTIFICATION (Mandatory Requirement based on expected Certification conditions) - The following mandatory conditions apply to all repair sites: 1. Erosion & Sediment Control Practices a. The erosion and sediment control measures for the project must be designed, installed, operated, and maintained in accordance with the most recent version of the North Carolina Sediment and Erosion Control Planning and Design Manual. b. The design, installation, operation, and maintenance of the sediment and erosion control measures must be such that they equal, or exceed, the requirements specified in the most recent version of the North Carolina Sediment and Erosion Control Manual. The devices shall be maintained on all construction sites, borrow sites, and waste pile 12 ' Peeks Creek - Stream Repairs & Bank Stabilization Plan September 2005 Macon County McGill Associates, P.A. ' (spoil) projects, including contractor-owned or leased borrow pits associated with the project. ' c. For borrow pit sites, the erosion and sediment control measures must be designed, installed, operated, and maintained in accordance with the most recent version of the North Carolina Surface Mining ' Manual. The reclamation measures and implementation must comply with the d . reclamation in accordance with the requirements of the Sedimentation Pollution Control Act. ' 2. No Waste, Spoil, Solids, or Fill of Any Kind - No waste, spoil, solids, or fill of any kind shall occur in wetlands, waters, or riparian areas beyond the footprint of the impacts depicted in the Pre-Construction Notification. All construction activities, including the design, installation, operation, and maintenance of sediment and erosion control Best Management Practices, shall be performed so ' that no violations of state water quality standards, statutes, or rules occur. 3. No Sediment & Erosion Control Measures w/n Wetlands or Waters - Sediment and erosion control measures shall not be placed in wetlands or ' waters to the maximum extent practicable. If placement of sediment and erosion control devices in wetlands and waters is unavoidable, they shall be ' removed and the natural grade restored within six months of the date that the Division of Land Resources has released the project. 4. Certificate of Completion - Upon completion of all work approved within the 401 Water Quality Certification or applicable Buffer Rules, and any subsequent modifications, the applicant is required to return the attached certificate of ' completion to the 401/Wetlands Unit, North Carolina Division of Water Quality, 1650 Mail Service Center, Raleigh, NC, 27699-1650. ' 5. Sediment and erosion control measures must be implemented prior to construction and maintained on the sites to minimize sediment in downstream areas. Seeding for a temporary cover of wheat, millet, or similar annual grain or ' permanent herbaceous cover should occur on all bare soil within five (5) days of ground disturbing activities to provide long-term erosion control. The projects should be accomplished in stages instead of leaving large tracts exposed to further storm events. Erosion control matting should be used in conjunction with appropriate seeding on disturbed soils in steep slope and riparian areas, unless authorized under Division of Land Resources Erosion and Sediment Control approval. Matting should be secured in place with staples, stakes, or, wherever possible, live stakes of native trees. Straw mulch and tall fescue should not be used in riparian areas. 13 u ' Peeks Creek - Stream Repairs & Bank Stabilization Plan September 2005 Macon County McGill Associates, P.A. J r 0 J 6. Only clean, large, angular rock, large woody material, or other natural stream design materials and techniques should be used for bank stabilization. Rock should not be placed in the stream channel in a manner that constricts stream flow or that will impede aquatic life movements during low flow conditions. Filter cloth should be placed behind large rock that is used for bank stabilization. Properly designed rock vanes should be constructed wherever appropriate on bank stabilization and channel realignment stream reaches to improve channel stability and to improve aquatic habitat. Root wads should be installed low enough in the bank so that a significant portion (at least one-third) the root wad is inundated during normal flows. 7. The channel must be restored to a more stable condition. However, under no circumstances should river rock, sand or other materials be dredged from the stream channel under authorization of this permit except, if necessary, in the immediate vicinity of the eroding banks for the explicit purpose of anchoring stabilizing or flow/grade control structures or for reestablishing the natural and more stable stream channel dimensions. Streambed materials are unstable in flowing-water situations and are unsuitable for bank stabilization. Stream dredging has catastrophic effects on aquatic life and disturbance of the natural form of the stream channel can cause downstream erosion problems. The natural dimension, pattern, and profile of the stream upstream and downstream of the permitted area should not be modified by widening the stream channel or changing its depth. 8. Stabilization measures should only be applied on or near existing erosion sites, leaving other stable stream bank areas in a natural condition. Grading and backfilling should be minimized and tree and shrub growth should be retained where possible to ensure long-term availability of stream bank cover for aquatic life and wildlife. Backfill materials should be obtained from upland sites except in cases where excess streambed materials are available. Berms are not permitted because they block the floodplain, constrict and accelerate flood flows, and often fail or impede drainage during large flood events. 9. Repairs to eroded banks should be conducted in a dry work area where possible. Sandbags or other clean diversion structures should be used where possible to minimize excavation in flowing water. Channel realignments should be constructed by excavating the new channel from downstream to upstream before connecting it to the old channel. 10. Heavy equipment should be operated from the bank whenever possible. All mechanized equipment operated near surface waters should be inspected and maintained regularly to prevent contamination of stream waters from fuels, lubricants, hydraulic fluids or other toxic materials. Equipment used in stream channel must be clean, new or low-hour equipment. 14 ' Peeks Creek - Stream Repairs & Bank Stabilization Plan September 2005 Macon County McGill Associates, P.A. ' 11. As long-term stream stability is a concern with this type of work, it is strongly recommended that woody vegetation be established along stream banks where possible. Any riparian vegetation planting should be performed in accordance with the Guidelines for Riparian Buffer Restoration. (htip://h2o enr.state.nc.us/wrp/pdfibuffers.pdf ) 12. Monitoring - The Permittee shall examine the stabilization work done under this Certification on an annual basis for three (3) years following the completion of the restoration efforts. This field evaluation should note the ' condition and stability of the measures installed and how well the repair is holding up. A written report must be provided to DWQ's Asheville Regional Office by June 1St of each year. The report must describe inspection results, include digital photographs, list the date of inspection, and describe any needed repairs or corrections. t 13. The Permittee will provide on-site supervision of stability work including, but not limited to bank re-sloping, in-stream structure placement, and riparian zone re-establishment by an appropriately trained individual. 14. If pasture along the stream is to be used for grazing, the Permittee must inform the appropriate landowners that cattle should be prohibited from ' damaging riparian areas and from de-stabilizing the stream banks and channel. 15. Diffuse Flow - All constructed storm water conveyance outlets shall be directed and maintained as diffuse flow at non-erosive velocities through the protected riparian zones such that it will not re-concentrate before discharging into a stream. ' 16. Water Quality Certification Notifications - The Permittee must provide a copy of this issued Water Quality Certification and attached cover letter to each property owner where the approved work will be performed. it ) bidit U h l t T N i d d idi n s ur y e ome c ep r ty stan ar ( 17. Turbidity Standard - The turb shall not be exceeded as described in 15A NCAC 2B .0200. Appropriate ' sediment and erosion control practices must be used to meet this standard. Finally, pending receipt of a final 404 Permit and 401 Certification, copies of these issued documents and the associated conditions and comments provided by commenting ' agencies (when available) will be included in all final contractor packages that will be used for construction of the repairs. All regulatory requirements and the measures outlined in this document will be fully discussed with the chosen contractor and the ' inspectors for McGill Associates and FWA before any construction begins. During actual construction, inspectors will direct contractors to observe and apply good construction practices and the requirements described in this document. 15 0 0 a JlC N U aJ2i a? a c 0 a? c c co t V c co .O O c U cc W od d O t3 NN N O U I1 1 1 I 1 1 N i i I ? a M C 0) 0) M 0) 00 (4) UOIIBA913 Ul) v 0 'IT LO C7 0 m LO N O N O 0 m J m O L Q O _ U O cV MM ii LO O ' LL a Ado eo? 0) CD W 0) 0) 0) OD (4) UOIIBAG13 0 v M a? C) U M N CL ? C O cc LO 2 N ca m J L L W. W O N 0 cA g CL ri m o U- 0 TECHNICAL SPECIFICATIONS 1 FOR 1 MACON COUNTY EWP 1 PEEKS CREEK SITE 1 STREAM REPAIRS & BANK STABILIZATION PROJECTS 1 1 1 1 SEPTEMBER, 2005 1 Prepared for: Macon County, NC ,,111161111/° q a¢ 249 L _OJ? %?©/q°?`?E3?a??_, ado 1 1 1 TECHNICAL SPECIFICATIONS TABLE OF CONTENTS TITLE PAGE TABLE OF CONTENTS SECTION 1 -GENERAL REQUIREMENTS 1 1.1 SECTION INCLUDES 1 1.2 SUMMARY OF WORK I 1.3 WORKFORCE EXPERIENCE 1 1.4 SPECIFIC EQUIPMENT REQUIREMENTS 1 1.5 MEASUREMENT AND PAYMENT 1 ' SECTION 2 - TEMPORARY FACILITIES 1 2.1 SECTION INCLUDES 1 2.2 MEASUREMENT AND PAYMENT 1 2.3 TEMPORARY SANITARY FACILITIES 1 2.4 BARRIERS I 2.5 TRAFFIC CONTROL 1 2.6 STAGING AREA TION WITH OWNER AND OTHER N I 2.7 A COORDI CONTRACTORS 2 2 8 PROTECTION OF EXISTING FACILITIES, . STRUCTURES, AND SERVICES 2 2.9 PROTECTION OF INSTALLED WORK 2 2.10 PROGRESS CLEANING & WASTE REMOVAL 2 2.11 EROSION CONTROL 2 ' 2.12 FINAL CLEANING 2 SECTION 3 - QUALITY CONTROL 3 ' 3.1 SECTION INCLUDES 3 3.2 MEASUREMENT AND PAYMENT 3 3.3 REFERENCES 3 3.4 CONSTRUCTION OBSERVATION 3 3.5 PLANTING OBSERVATION 3 SECTION 4 - SITE PREPARATION 4 4.1 SECTION INCLUDES 4 4.2 MEASUREMENT AND PAYMENT 4 4.3 UTILITY LOCATION AND PROTECTION 4 4.4 SEDIMENTATION AND EROSION CONTROL 4 4.5 CONSTRUCTION LAYOUT 4 4.6 CLEARING, GRUBBING, AND STRIPPING 4 4.7 DEWATERING 4 5 SECTION 5 - EXCAVATION 5.1 SECTION INCLUDES 5 5.2 MEASUREMENT AND PAYMENT 5 5.3 REFERENCES 5 5.4 PREPARATION 5 5.5 EXCAVATING 5 ' 5.6 PLANTING PREPARATION 5 5.7 TOLERANCES 5 SECTION 6 - FILLING, BACKFILLING AND COMPACTION 6 6.1 SECTION INCLUDES 6 6.2 MEASUREMENT AND PAYMENT 6 6.3 REFERENCES 6 I1 6.4 FILL MATERIALS 6.5 PREPARATION 6.6 BACKFILLING, FILLING, AND SURFACE PREPARATION 6.7 COMPACTION AND QUALITY CONTROL 6.8 PROTECTION OF FINISHED WORK 6.9 TOLERANCES SECTION 7 - CHANNEL PROTECTIVE LININGS AND IN- STREAM STRUCTURES 7.1 SECTION INCLUDES 7.2 MEASUREMENT AND PAYMENT 7.3 REFERENCES 7.4 GENERAL 7.5 MATERIALS 7.6 IN-STREAM STRUCTURES & TOE STABILIZATION 7.7 CHANNEL PROTECTIVE LININGS 7.8 SLOPE PROTECTION SECTION 8 - STREAM BANK PLANTING 8.1 SECTION INCLUDES 8.2 MEASUREMENT AND PAYMENT 8.3 REFERENCES 8.4 GENERAL 8.5 LIVE STAKES 8.6 PLANT SUBSTITUTION 8.7 PLANTING PREPARATION 8.8 STREAM BANK PLANTING 8.9 PLANTING PERIODS 8.10 REMOVAL OF NUISANCE VEGETATION 8.11 WATER FOR PLANTINGS 8.12 SUBMITTALS SECTION 9 - BUFFER PLANTING 9.1 SECTION INCLUDES 9.2 MEASUREMENT AND PAYMENT 9.3 REFERENCES 9.4 GENERAL 9.5 CONTAINER GROWN PLANTS 9.6 BARE ROOT PLANTS 9.7 PLANT SUBSTITUTION 9.8 PLANTING PREPARATION 9.9 PLANTING PERIODS 9.10 REMOVAL OF NUISANCE VEGETATION 9.11 WATER FOR PLANTINGS 9.12 SUBMITTALS SECTION 10 -PERMANENT SEEDING 10.1 SECTION INCLUDES 10.2 MEASUREMENT AND PAYMENT 10.3 REFERENCES 10.4 GENERAL 10.5 SEEDBED PREPARATION 10.6 SEEDING 10.7 SEEDING DATES 6 6 6 6 7 7 7 7 7 7 7 7 8 9 9 10 10 10 10 10 10 10 10 10 10 10 10 11 11 11 11 I1 11 12 12 12 12 12 12 12 12 13 13 13 13 13 13 13 13 ' 10.8 SOIL AMENDMENTS 10.9 MULCH SECTION I 1 - SEDIMENT & EROSION CONTROL 11.1 SECTION INCLUDES 11.2 MEASUREMENT AND PAYMENT 11.3 REFERENCES 11.4 MATERIALS , 1 13 11.5 SILT FENCE 14 13 11.6 TEMPORARY SEEDING 14 14 SECTION 12 - SITE MAINTENANCE 15 14 12.1 SECTION INCLUDES 15 14 12.2 MEASUREMENT AND PAYMENT 15 14 12.3 EXECUTION 15 14 111 t 11 SECTION I - GENERAL REQUIREMENTS 1.1 SECTION INCLUDES General requirements and information related to the work including, summary of work. 1.2 SUMMARY OF WORK The Macon County Stream Repairs and Bank Stabilization project consists of the earthwork construction of repaired and stabilized channel banks, in-channel structure installation, toe stabilization, and/or planting of the repaired channel banks and surrounding buffer area. Refer to the Construction Drawings and to these Specifications for project details. 1.3 WORKFORCE EXPERIENCE The Contractor is required to have the appropriately experienced personnel on-site to operate equipment and insure that the construction sequence and installation procedures are followed as determined by the Engineer. Contractor personnel should be familiar with stream repair and bank stabilization techniques and the correct method of installing in-stream structures (i.e. rock cross-vanes). 1.4 SPECIFIC EQUIPMENT REQUIREMENTS The Contractor is required to have at a minimum two excavators with hydraulic thumbs during the entire course of construction unless otherwise approved by the Engineer. The hydraulic excavators must be of sufficient size to lift, manipulate, and install boulders larger than 5- foot by 4-foot by 3-foot (a maximum of 6 tons). 1.5 MEASUREMENT AND PAYMENT All measurement and payment for services performed shall be as indicated in the PROJECT AGREEMENT. As such, they are not defined in these technical Specifications. END OF SECTION SECTION 2 - TEMPORARY FACILITIES 2.1 SECTION INCLUDES Required temporary facilities including site access, temporary sanitary facilities, barriers, traffic control, construction staging area, Contractor coordination, protection of existing facilities and installed work, erosion control measures, and general site cleaning. 2.2 MEASUREMENT AND PAYMENT See PROJECT AGREEMENT 2.3 TEMPORARY SANITARY FACILITIES Provide and maintain required sanitary facilities and enclosures. No permanent sanitary facilities exist at the project site. 2.4 BARRIERS Provide barriers to prevent unauthorized entry to construction areas, to allow for Owner and Engineer access to site, and to protect existing structures and adjacent properties from damage due to construction operations. 2.5 TRAFFIC CONTROL Provide traffic control as required to protect the public safety. Conform to all requirements of State, County, City, or local laws and requirements for traffic control. Conformance with Contract Documents does not relieve the Contractor from responsibility for public safety. Construction operations may be underway on adjoining portions of the site. 2.6 STAGING AREA The Owner will designate an area for staging of Contractor's equipment and construction materials for the duration of construction. This area shall be maintained so as to provide a sightly appearance and a safe working environment. No other area shall be used for this purpose without the approval of the Owner. Storage of oil or fuel shall be confined to the construction staging area. Refueling of all vehicles and equipment shall occur only in the staging area. Refueling of non-mobile equipment located outside of the staging area will be allowed with Owner approval. No refueling shall occur within fifty feet of the channel or any other surface water or wetland. The Contractor shall take appropriate measures to ensure safe fueling procedures are followed. Contractor shall provide appropriate spill prevention measures. The Contractor shall provide a spill containment plan for both the staging area and the construction area. The plan shall include prevention, containment, and control of fuel or oil spillage from equipment storage, refueling, maintenance, and operation on-site. The plan shall address both mobile and non-mobile equipment used during construction. Emergency spill cleanup equipment for oil and fuel spills shall be stored on-site. The Contractor shall notify the Owner and all applicable agencies within 24 hours of any spill. Stream Repairs & Bank Stabilization Page 1 Technical Specifications Macon County Stream Repairs September 2005 2.7 COORDINATION WITH OWNER AND OTHER CONTRACTORS Perform coordination with Owner and schedule work to ensure limited disruption of daily operations. Obtain approval from Owner prior to the disruption of any access to site utilities, structures, or locations. Coordinate the disruption of any utility services without regard to duration. Provide continuous representation/point of contact for Owner during all site activities. Only access points approved by the Owner shall be used during construction. 2.8 PROTECTION OF EXISTING FACILITIES, STRUCTURES, AND SERVICES The project vicinity, including existing access routes, will continue to be used for daily operations by the Owner and by others throughout the duration of the construction. The Contractor shall protect existing facilities, structures, and services throughout the duration of construction and provide special protection where specified in individual specification sections. Provide temporary and removable protection for existing structures and services. Control activity in immediate vicinity of facilities, structures, and services to prevent damage. Any facility, structure, or services 'disturbed or damaged, either intentionally or unintentionally, shat removed and reinstalled or repaired to the Owner's satisfaction. Repairs to or replacement of facilities, structures, or services shal performed at the expense of the Contractor. Repairs and/or replacement shall occur without additional cost to the Owner. 2.9 PROTECTION OF INSTALLED WORK Protect installed work and provide special protection where speci individual specification sections. Provide temporary and removab protection for installed work and products. Control activity in immediate work area to prevent damage. Any installed work distu or damaged, shall be removed and reinstalled or repaired to the Engineer's satisfaction. Repairs to or replacement of installed wo shall be performed at the expense of the Contractor. Repairs and replacement shall occur without additional cost to the Owner. 2.10 PROGRESS CLEANING AND WASTE REMOVAL 1 be 1 be Pied in le rbed rk Maintain areas free of waste materials, debris, and rubbish. Maintain site in a clean and orderly condition. Collect and remove waste materials, debris, and rubbish from site daily and dispose off site. Remove temporary utilities, equipment, facilities, and materials prior to Final Application for Payment inspection. Restore existing facilities used during construction to original condition. 2.11 EROSION CONTROL Contractor shall be responsible for preventing erosion on the site and sedimentation off the site. Methods shall be employed as recommended in the North Carolina Erosion and Sediment Control Planning and Design Manual, latest edition. L 2.12 FINAL CLEANING Execute final cleaning prior to final project assessment. Clean site and all installed work. Remove waste and surplus construction materials, rubbish, and construction facilities from the site. END OF SECTION Stream Repairs & Bank Stabilization Page 2 Technical Specifications Macon County Stream Repairs September 2005 t SECTION 3 - QUALITY CONTROL 3.1 SECTION INCLUDES Observation of construction operations and buffer and stream bank planting. 3.2 MEASUREMENT AND PAYMENT See PROJECT CONTRACT i 3.3 REFERENCES For products or workmanship specified by association, trade, or other consensus, comply with requirements of the standard, except when more rigid requirements are specified or are required by applicable codes. Conform to reference standard by date of issue on date of Contract Documents, except where a specific date is established by code. Section 6 (Filling, Backflling, and Compaction) of these Specifications. Section 8 (Stream Bank Planting) of these Specifications. Section 9 (Wetland and Buffer Planting) of these Specifications. 7 u 3.4 CONSTRUCTION OBSERVATION The Owner has engaged the Engineer to observe construction operations as required in these Specifications. Reports (either verbal or written) shall be submitted concurrently to the Owner and Contractor, indicating observations and indicating compliance or non-compliance with Contract Documents. Observation of construction operations does not relieve Contractor of obligation to perform work to contract requirements. The Contractor shall allow observation personnel access to materials and the construction-site as required. 3.5 PLANTING OBSERVATION The Owner has engaged the Engineer to observe stream bank and buffer planting as required in these Specifications. Reports will be submitted concurrently to the Owner and Contractor, indicating observations and indicating compliance or non-compliance with Contract Documents. Observation of planting operations does not relieve Contractor of obligation to perform work to contract requirements. The Contractor shall allow observation personnel access to materials (see stream bank plantings specified in Section 8) and the construction-site as required. END OF SECTION Stream Repairs & Bank Stabilization Page 3 Technical Specifications Macon County Stream Repairs September 2005 i SECTION 4 - SITE PREPARATION 4.1 SECTION INCLUDES Site preparation shall consist of utility location and protection, clearing, grubbing and stripping of the work area, and construction of any required temporary construction access routes and temporary sediment and erosion control measures. 4.2 MEASUREMENT AND PAYMENT See PROJECT CONTRACT 4.3 UTILITY LOCATION AND PROTECTION The Contractor shall locate all existing utilities and mark them for identification. Contractor shall provide means for protecting utilities from any damage during site work. Repair of damaged utilities shall be at the Contractor's expense. Coordination should be made with Owner to locate and mark site specific utilities. NC ONE CALL (1-800-632- 4949) 4.4 SEDIMENTATION AND EROSION CONTROL I, Contractor shall be responsible for preventing erosion on the site and sedimentation off the site. Methods shall be employed as recommended in the North Carolina Erosion and Sediment Control Planning and Design Manual, latest edition. The Contractor shall control sedimentation runoff with methods approved by the Engineer during the course of construction of this Project. Depending on the magnitude of the clearing and grubbing associated with the project, an Erosion Control Plan may be required Temporary erosion and sediment control measures shall be installed as described in Section I 1 (Sediment & Erosion Control). The Contractor shall conform to all the rules, regulations, laws, and ordinances of the State of North Carolina, and of all other authorities having jurisdiction. 4.5 CONSTRUCTION LAYOUT The construction layout may include, but will not necessarily be limited to, channel disturbance limits, earthwork limits, and appropriate grading values. The Contractor is responsible for the construction surveying and layout. The Contractor is required to have a laser level or other equivalent equipment available on-site during the entire period of construction. 4.6 CLEARING, GRUBBING, AND STRIPPING Conform to applicable codes for environmental requirements, disposal of debris, and erosion and sedimentation control as described above. Coordinate clearing work with utility owners and operators as described above. Establish a schedule for daily removal of debris from the site. Debris may not be stockpiled on-site. Clear areas required for access to site and execution of work. Remove trees, stumps, other wood, metal, or rubble debris within work areas unless otherwise directed by Engineer. Remove stumps, main root ball, and all roots with a diameter greater than 2 inches. Leave area in a clean and neat condition. Grade site surface daily to control the direction of channelized flow and prevent free standing surface water. In areas where bank repairs will be implemented, the existing top six inches of soil should be removed and stockpiled prior to excavation, construction, or reconstruction efforts. 4.7 DEWATERING Comply with all rules, regulations, laws, and ordinances of the State of North Carolina, and of all other authorities having jurisdiction. Provide, without additional cost to the Owner, all labor, materials, equipment, and services necessary to make the work comply with such requirements. Install all barriers, erosion and sedimentation control devices, silt fences, and other measures as required to prevent off-site sedimentation. Grade and ditch the site as necessary to direct surface runoff away from open excavations and subgrade surfaces. All water drained from the Work shall be disposed of in a manner that will not result in undue interference with other work or damage adjacent properties, other surfaces, structures, and utilities. All water due to the dewatering operation shall be legally disposed of in accordance with all applicable State and federal regulations and other applicable regulations. Under no circumstances shall fill be placed in excavations containing standing water without approval of the Engineer. END OF SECTION Stream Repairs & Bank Stabilization Page 4 Technical Specifications Macon County Stream Repairs September 2005 1 n LI ?I LJ SECTION 5 - EXCAVATION 5.1 SECTION INCLUDES Provide all necessary equipment and labor to excavate for channel restoration without damage or interruption of utility service. 5.2 MEASUREMENT AND PAYMENT See PROJECT CONTRACT 5.3 REFERENCES Occupational Safety and Health Administration - Construction Standards for Excavations, 29 CFR Part 1926.650-.652. When the Specifications or Drawings differ from the requirements of the above-referenced documents, the more stringent requirements shall apply. 5.4 PREPARATION Locate, identify, and protect utilities from damage as described in Section 4.3. Notify utility companies and coordinate for and/or install protection of utilities. 5.5 EXCAVATING Protect all utilities and structures that may be damaged by excavating work. In areas where stream and floodplain grading will be implemented, the existing top six inches of soil should be removed and stored prior to construction or reconstruction efforts. Perform Work in accordance with Occupational Safety and Health Administration (OSHA) - Construction Standards for Excavations, 29 CFR Part 1926.650-.652. Provide trench and excavation protection as required. Slope banks with machine to stabilize the slope or flatten it until shored. Grade top perimeter of excavation to prevent surface water from draining into excavation. Where required to protect utilities, perform excavation by hand. Remove subsoil, boulders, and rock as directed by the Engineer. Notify Engineer if subsurface conditions require excavation of larger subsoil, boulders, and rock, and discontinue Work. Engineer may direct adjustment in construction elevations. Adjustment of elevations shall not be a basis for additional payment. Correct areas over excavated in accordance with Section 6 (Filling, Backfilling, and Compaction) and as shown in the Construction Drawings. Stockpile select excavated material on-site for re-use in backfill. Stockpile location shall be subject to Owner approval. 5.6 PLANTING PREPARATION In areas where buffer planting will be implemented, the stockpiled topsoil and/or off-site topsoil (as required), should be distributed in preparation for restoration planting operations as described in SECTION 7 (Channel Protective Linings and In-stream Structures) of these Specifications. The Contractor is ultimately responsible for establishing a suitable planting medium with a minimum depth of four (4) inches. All areas where topsoil is distributed shall be disked or harrowed to ensure soil aeration and to increase the surface roughness prior to planting. 5.7 TOLERANCES Top surface of channel protective lining (where applicable): Plus or minus one inch from required elevations. Top surface of fill, backfill, and topsoil: Plus or minus one inch from required elevations. END OF SECTION i Stream Repairs & Bank Stabilization Page 5 Technical Specifications Macon County Stream Repairs September 2005 SECTION 6 - FILLING, BACKFILLING AND COMPACTION place. Backfill with ordinary fill material and compact to density equal to or greater than requirements for subsequent fill material. 6.1 SECTION INCLUDES Provide all necessary equipment and labor to perform filling, backfilling, and compaction necessary for construction of repaired channel banks, and other site work as shown on the Drawings without damage or interruption of utility service. Replacement of removed topsoil shall be as described in SECTION 5.6 (Planting Preparation) of these Specifications. 6.2 MEASUREMENT AND PAYMENT See PROJECT CONTRACT 6.3 REFERENCES ASTM D698 - Test Methods for Moisture-Density Relations of Soils and Soil-Aggregate Mixtures, Using 5.5 lb. Rammer and 12-inch Drop. ASTM D1556 - Test Method for Density of Soil in Place by the Sand-Cone Method. 'ASTM D2922 - Test Methods for Density of Soil and Soil-Aggregate in Place by Nuclear Methods (Shallow Depth). 6.6 BACKFILLING, FILLING, AND SURFACE PREPARATION Backfill areas to contours and elevations with unfrozen materials. Do not backfill over porous, frozen, or spongy subgrade surfaces. Employ a placement method that does not disturb or damage other work. Make gradual grade changes. Blend slope into level areas. Place backfill and fill in loose level lifts not to exceed six inches in thickness before compaction. Earth fill in repaired channel banks and other structures shall be placed so as to meet the following additional requirements: a. The distribution of materials throughout each zone shall be essentially uniform and the fill shall be free from lenses, pockets, streaks, or layers of material differing substantially in texture or gradation from the surrounding materials. b. Backfill areas to contours and elevations with unfrozen materials. Do not backfill over porous, frozen, or spongy subgrade surfaces. Employ a placement method that does not disturb or damage other work. Place backfill and fill in loose level lifts not to exceed six inches in thickness before compaction. Make gradual grade changes. Blend slope into level areas. 11 ASTM D3017 - Test Methods for Water Content of Soil and Rock in Place by Nuclear Methods (Shallow Depth). ASTM D2487 - Classification of Soils for Engineering Purposes. When the Specifications or Drawings differ from the requirements of the above-referenced documents, the more stringent requirements shall apply. 6.4 FILL MATERIALS Soil excavated during construction and stockpiled may be re-used as fill provided that it can be conditioned and compacted as specified. Supplement or replace excavated soils with channel bed material or ordinary fill as shown on the Drawings and as needed to complete work. Fill for Lower Bank Zone shall consist of channel bed material from an approved borrow source. Ordinary fill for Mid-Bank and Upper Bank Zones shall be any soil classified as SM, SC, SP-SM, SP- SC, SC-SM, SP, or SW under ASTM D2487 unless otherwise directed by the Engineer. If soil excavated during cut operations is not re-used, it shall be removed from the site to an appropriate disposal facility at no additional charge to Owner. The Contractor shall be responsible for the payment of all fees associated with transportation and disposal of unusable materials. Suitable borrow material may be available within the vicinity of the project site but must be identified by the Contractor and approved by the Engineer. 6.5 PREPARATION Compact subgrade to density requirements for subsequent backfill materials. Cut out soft areas of subgrade not capable of compaction in c. If the surface of any layer becomes too hard and smooth for proper bond with the succeeding layer, it shall be scarified parallel to the axis of the fill to a depth of not less than 2 inches before the next layer is placed. d. The top surfaces of embankments shall be maintained approximately level during construction, except that a crown or cross-slope of not less than 2% shall be maintained to insure effective drainage, and except as otherwise specified for drain fill zones. e. Repaired channel banks shall be constructed so that the slope of the bonding surfaces between embankment in place and embankment to be placed is not steeper than 1 foot horizontal to 1 foot vertical, unless otherwise specified on the Contract Drawings. New embankment material shall be benched into existing slope as shown on the plans. Short bench levels shall be formed to a slope of 1 H:1 V or flatter, based on existing slope conditions as determined by the Engineer at the time of construction, unless otherwise specified on the Contract Drawings. Benching shall be constructed in such a fashion as to inhibit the formation of preferential planes of slope failure. The bonding surface of the embankment in place shall be stripped of all loose material, and shall be scarified, moistened and recompacted when the new fill is placed against it as needed to insure a good bond with the new fill and to obtain the specified moisture content and density in the junction of the in-place and new fill. Any variation to this method of tying new fill into the existing filled bank shall be determined in the field at time of construction by the Engineer. 6.7 COMPACTION AND QUALITY CONTROL For backfill operations, compaction shall be performed using tracked equipment as directed by the Engineer. Compaction greater than that provided by tracked equipment may be deemed necessary by the Stream Repairs & Bank Stabilization Page 6 Macon County Stream Repairs Technical Specifications September 2005 I? n ILl J n u Engineer based on-site or soil conditions. Provide compaction as directed by the Engineer. Lift thickness shall not exceed 6". 6.8 PROTECTION OF FINISHED WORK Protect finished work. Reshape and re-compact fills subjected to vehicular traffic or damaged by erosion. 6.9 TOLERANCES Top surface of channel protection lining (where applicable): Plus or minus one inch from required elevations. Top surface of fill, backfill, and topsoil: Plus or minus one inch from required elevations. Top surface of floodplain (where applicable): Plus or minus one inch from required elevations. END OF SECTION SECTION 7 - CHANNEL PROTECTIVE LININGS AND IN- STREAM STRUCTURES 7.1 SECTION INCLUDES Temporary and permanent channel erosion protective linings and in- stream rock structures. 7.2 MEASUREMENT AND PAYMENT See PROJECT CONTRACT 7.3 REFERENCES The following specifications and methods form a part of this Specification: ASTM C88 - Standard Test Method for Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate ASTM C127 - Standard Test Method for Specific Gravity and Absorption of Coarse Aggregate NCDOT - Standard Specifications for Roads and Structures. When the Specifications or Drawings differ from the requirements of the above-referenced documents, the more stringent requirements shall apply. 7.4 GENERAL A Channel Protective Lining has been selected along channel banks. In-stream Structures will be installed to provide additional bank protection where shown on the Drawings. Materials to be used in Channel Protective Linings and the In-stream Structures are specified in this section. Channel erosion protection linings shall be constructed of the materials specified in this section and as shown on the Drawings. Linings shall be laid true to the grade shown on the Drawings. Linings shall make a smooth interface with the surrounding grade. Any portion of the lining which has its grade or surface disturbed after placement shall be repaired. Any portion thereof already in place which is found to be defective or damaged shall be repaired or replaced, as directed by the Engineer, without additional cost to the Owner. The in-stream structures shall be constructed of the materials specified in this section and as shown on the Drawings. Any portion of the structure which is disturbed after placement shall be repaired. Any portion of the structure found to be defective or damaged shall be repaired or replaced, as directed by the Engineer, without additional cost to the Owner. 7.5 MATERIALS Materials include excelsior and coin fiber matting manufactured especially for erosion control, Eco-Stakes, wire staples, nonwoven geotextile, boulders, channel bed material, NCDOT Coarse Aggregate Size #57, NCDOT Class A Erosion Control Stone, NCDOT Class B Erosion Control Stone, NCDOT Class 1 Rip Rap (RipRap), and NCDOT Class 2 Rip Rap (RipRap). Stream Repairs & Bank Stabilization Page 7 Technical Specifications Macon County Stream Repairs September 2005 1-7 L 11 Matting for erosion control in areas other than stream banks with mild slopes shall be excelsior matting. Excelsior matting shall consist of a machine produced mat of curled wood excelsior that is a minimum of 47 inches in width. The mat shall weigh 0.975 pounds per square yard with a tolerance of plus or minus 10 percent. At least 80 percent of the individual excelsior fibers shall be 6 inches or more in length. The excelsior fibers shall be evenly distributed over the entire area of the blanket. One side of the excelsior matting shall be covered with an extruded plastic mesh. The mesh size for the plastic shall be a maximum of 1" x 1" square. Matting for erosion control shall not be dyed, bleached, or otherwise treated in a manner that will result in toxicity to vegetation. Other acceptable material manufactured especially for erosion control may be used when approved by the Engineer in writing before being used. Erosion control matting for stream banks shall be CF 7 coir matting. Matting shall be 100% coir fiber. Minimum Specifications for coir matting as follows: Weight 20.6 oz/yd2 (700 g/m2) ASTM-D3776 Thickness 6.34 mm Water Velocity 10 ft/s Grab/Elongation (Dry) I I5.8lbs/23.9% MD ASTM-D4594 54. l lbs/33.5% XD Manning's n 0.0294 Max Shear Stress 4.46 ib/ftz Nonwoven Geotextile: Geotextile shall be a nonwoven fabric with a minimum weight of 12 ounces per square yard (ASTM D3776), a minimum grab strength in either direction of 180 pounds (ASTM D4632), a minimum puncture resistance of (ASTM D4833) of 85 pounds, and permeability of (ASTM D4491) greater than 0.2 cm/sec. Fabric meeting these Specifications shall still be subject to approval or rejection by the Engineer. At the time of installation, the fabric will be rejected if it has defects, rips, holes, flaws, deterioration, or damage incurred during the manufacture, transportation, or storage. NCDOT Coarse Aggregate Size #57: Shall conform to gradation requirements of Table 1005-1, NCDOT Specifications. NCDOT Class A Erosion Control Stone: 2 to 6-inch, widely graded, durable, crushed stone conforming to applicable NCDOT standards (No more than 5% of the material furnished can be less than the minimum size specified, nor more than 10% of the material can exceed the maximum size specified). Concrete rubble shall not be used. NCDOT Class B Erosion Control Stone: 5 to 12-inch, widely graded, durable, crushed stone conforming to applicable NCDOT standards (No more than 5% of the material furnished can be less than the minimum size specified, nor more than 10% of the material can exceed the maximum size specified). Concrete rubble shall not be used. NCDOT Class I Rip Rap (RipRap): 5 to 17-inch, widely graded, durable, crushed stone conforming to applicable NCDOT standards. The stone shall vary in weight from 5 to 200 pounds with 30% weighing a minimum of 60 pounds each and 10% weighing a minimum of 15 pounds each. (No more than 5% of the material fumished can be less than the minimum size specified, nor can more than 10% of the material exceed the maximum size specified). The rock fragments shall be angular to subrounded in shape. Concrete rubble shall not be used. NCDOT Class 2 Rip Rap (RipRap): 9 to 23-inch, widely graded, durable, crushed stone conforming to applicable NCDOT standards. The stone shall vary in weight from 25 to 250 pounds and 60% shall weigh a minimum of 100 pounds each. (No more than 5% of the material furnished can be less than the minimum size specified, nor can more than 10% of the material exceed the maximum size specified). The rock fragments shall be angular to subrounded in shape. Concrete rubble shall not be used. Boulders (Toe Stabilization and Footer Rocks): Boulders of approximate dimension 5' x 3' x 2' shall be individually picked by Contractor from the quarry or the on-site stockpile for use in in-stream structure construction. Boulders as small as 3' x 2' x 2' may be used; however, they shall not constitute more than 30% of the total boulders. Boulders shall be relatively flat on either side in the same dimension, preferably the long dimension and must have smooth ends. 7.6 IN-STREAM STRUCTURES & TOE STABILIZATION The work covered by this section consists of the construction of in- stream structures including J-hooks, cross-vane structures, and rock toe stabilization. The quantity of in-stream structures and length of toe stabilization to be constructed will be affected by actual conditions that occur during the construction of the project. The type and quantity of structures may be increased or decreased at the direction of the Engineer. Such variations in quantity will not be considered as alterations in the details of construction or a change of character of the work. A tracked hydraulic excavator with a thumb of sufficient size to move specified boulders is required for this item. Precise placement of structures will be determined during construction by the Engineer and may not reflect the construction Drawings. In-stream structures and toe stabilization installed must be inspected and approved by the Engineer. Excavation for the purpose of installation is incidental and is covered by this line item. The excavation of the subgrade and installation will be consecutive and continuous. Once the installation procedure has been initiated, it will be completed before the end of the workday. Any incidental/accidental discharge of sediment accumulation as a result of the installation procedure will be removed or integrated into the designed bedform. Excavation shall terminate at bedrock if contacted prior to the design grade. Bedrock will be excavated only if it is determined to be rippable and necessary by the Engineer. Install toe stabilization as shown on the Drawings and as directed by the Engineer. Grade area where toe stabilization is to be constructed. Surface shall be free of obstructions, debris, and pockets of soft or low density material. Unless otherwise directed by the Engineer, the stone shall be placed on the slope and/or angle as indicated on the plans. The stone shall be graded so that the smaller stones are uniformly distributed throughout the mass. The Contractor may place the stone by mechanical methods provided that when the work is completed, it forms a properly graded, dense, neat layer of stone. Place J-hooks and cross-vanes as shown on the Drawings. Footer rocks shall be installed to define shape of in-stream rock structures. Footer Stream Repairs & Bank Stabilization Page 8 Technical Specifications Macon County Stream Repairs September 2005 Ll F it rocks shall be installed such that their long dimension is oriented in the direction of flow. No gaps shall be left between footer rocks except at the hook of the J-hook. Minimum footer rock depth below the proposed ground surface of the stream bed shall be 4 feet unless bedrock is encountered. Rock sills shall extend a minimum of 3 feet beyond bankfull (perpendicular to stream flow) as indicated on plans. Geotextile shall be placed over structures and backfilled with aggregate as shown on plans. 7.7 CHANNEL PROTECTIVE LININGS Grade the area to be lined. Surface shall be free of obstructions, debris, and pockets of soft or low density material. The rock weir structures shall be completed prior to installation of the channel protective linings. Cover area with all available on-site stockpiled topsoil to a preferred minimum depth of 4 inches. Final grade with topsoil shall be as shown on Drawings. Topsoil shall be prepared with fertilizer and lime, and seeded as described in Section 10 (Permanent Seeding) of these Specifications. The Contractor is ultimately responsible for establishing a suitable planting medium with a minimum depth of six (6) inches. Install CF-7 erosion control matting perpendicular to the axis of the stream. The matting shall be laid smooth and free from tension, stress, folds, wrinkles and creases. Horizontal overlaps shall be a minimum of 12 inches with the upper matting overlapping the lower matting. Vertical overlaps in matting shall be a minimum of 12 inches with the upstream matting overlapping the downstream matting. The top (crest) edge of the matting shall be anchored in a trench at least 12 inches deep, as shown on the Construction Drawings, to prevent undercutting of the matting. The trench should be located a minimum of 12 inches from the top of bank, and shall not alter channel or floodplain grade. Matting trench and Eco-Stakes shall be installed as shown on Drawings. Matting shall be anchored utilizing Eco-stakes brand stakes installed not more than 3 feet apart (3' on centers) and staggered, with a minimum of 3 stakes per square yard of matting over the entire lined area. 24-inch Eco-stakes shall be used along the toe of the channel and 12-inch stakes shall be used within the field and top edge of the matting as detailed on the Construction Drawings. Along all laps (both vertical and horizontal) in the matting, install a common row of staples at the seam, installing staples on I foot (12 inch) centers. Along the toe, 24 inch Eco-Stakes shall be spaced not more than 2 feet All stakes shall be driven perpendicular to the axis of the stream as shown on Drawings. Care shall be taken to avoid damage to matting material. In the event that the matting is displaced or damaged during installation, the matting shall be repositioned or replaced. This will be done at no additional cost to the Owner. 7.8 SLOPE PROTECTION Grade area to be lined. Surface shall be free of obstructions, debris, and pockets of soft or low density material. Cover area with all available on-site stockpiled topsoil to a preferred minimum depth of 4 inches. Final grade with topsoil shall be as shown on Drawings. Topsoil shall be prepared with fertilizer and lime, and seeded as described in Section 10 (Permanent Seeding) of these Specifications. The Contractor is ultimately responsible for establishing a suitable planting medium with a minimum depth of four (4) inches. Install excelsior matting perpendicular to slope. Matting shall be unrolled with netting material on top and blanket material in contact with the soil. (Note: some excelsior matting has netting on both sides.) The matting shall be laid smooth and free from tension, stress, folds, wrinkles and creases. Horizontal overlaps shall be a minimum of 12 inches with the upper matting overlapping the lower matting. Vertical overlaps in matting shall be a minimum of 12 inches. The top (crest) and bottom (toe) edges of the matting shall be anchored in trench at least 12 inches deep as shown on Drawings to prevent undercutting of the matting. Matting trench and wire staples shall be constructed and installed as shown on Drawings. Wire staples shall be installed not more than 3 feet apart (3' on centers) and staggered, with a minimum of 3 stakes per square yard of matting over the entire lined area. Staples shall be driven perpendicular to the soil surface. Staples shall be driven flush with soil surface to reduce potential for movement of the erosion control matting. Staples shall be installed in parallel rows on 3' centers and in trenches at the top and bottom of the slope as shown on Drawings. Along all laps (both vertical and horizontal) in the matting, install a common row of staples at the seam, installing staples on Ifoot (12 inch) centers. All standard anchoring staples shall be 18 inches in length. Staples shall be driven in with a wooden mallet. Care shall be taken to avoid damage to matting material. In the event that the matting is displaced or damaged during installation, the matting shall be repositioned or replaced. This will be done at no additional cost to the Owner. END OF SECTION ' Stream Repairs & Bank Stabilization Page 9 Technical Specifications Macon County Stream Repairs September 2005 SECTION 8 - STREAM BANK PLANTING 8.6 PLANT SUBSTITUTION ?J 8.1 SECTION INCLUDES Provide all necessary equipment and labor to implement stream bank planting plan. 8.2 MEASUREMENT AND PAYMENT See PROJECT CONTRACT 8.3 REFERENCES No change in the specified plants (species, variety, size, caliper, furnish, etc.) will be made without written approval of the Engineer. All requests by the Contractor for substitutions shall be presented in writing and shall include a listing of the sources which have been contacted in an attempt to secure the specified plant material. Requests for substitutions shall include botanical name, common name, size, caliper, and furnish description of the proposed substitute. No increase in compensation will be made to the Contractor as a result of the use of the approved substitute plants. I The following specifications and methods form a part of this Specification: NCDOT - Standard Specifications for Roads and Structures. 15 NCAC 213.200 - Classification of Water Quality Standards Applicable to Surface Waters & Wetlands of North Carolina American Standard for Nursery Stock, latest edition NCDENR - Erosion and Sediment Control Planning and Design Manual When the Specifications or Drawings differ from the requirements of the above-referenced documents, the more stringent requirements shall apply. 8.4 GENERAL All plants shall be as called for by these Specifications and shown on the Drawings. All plants delivered shall be true to name. Each plant, or group of the same species, variety, and size of plant, shall be legibly tagged with the name and size of the plant. All plants shall be first-class representatives of their species. Stakes shall be reasonably straight. All plants shall be free from plant diseases and insect pests. All shipments of plants shall comply with all nursery inspection and plant quarantine regulations of the States of origin and destination, as well as with Federal regulations governing interstate movement of stock. If stock from other States is used, the stock shall be accompanied by a tag or certificate stating, in effect, that the stock has been inspected and certified by an authorized official of the State of origin as apparently free from injurious plant pests. All plants shall be subject to inspection at any time by the Engineer. Any such inspection before or during planting operations, however shall not be construed as final acceptance of the plants involved. 8.5 LIVE STAKES Live stakes, if approved for use by the Engineer, shall consist of freshly cut live plants of select stock which has been developed by proper cultural treatment. Stakes and cuttings shall be 3/8" to 1/2" diameter and between 12 and 18 inches long. They shall be carefully cut from mother-stock plantings. Plant materials shall be packaged, transported, and handled in a manner that will prevent injury, drying out, or freezing. 8.7 PLANTING PREPARATION In areas where stream restoration will be implemented, preparation for restoration planting operations shall be as described in SECTION 7 (Channel Protective Linings) of these Specifications. Where live stakes shall be planted, through the Channel Protective Lining, holes shall be made by neatly punching a hole in the matting with a dibble bar (a heavy metal tool with a blade and a foot petal). The dimensions of the hole shall not exceed 3" in any direction and shall not damage the surrounding matting. 8.8 STREAM BANK PLANTING Where live stakes shall be planted, they shall be installed at a 45 to 60 degree angle in the direction of stream flow. The buds of stakes and plant cuttings should point upward and about 2 inches of wood should be exposed above the ground surface. Tamp the surrounding soil firmly to eliminate air pockets. Where stream bank planting is directed, areas shall be planted with trees, using 10-foot by 10-foot centers as shown on the Construction Drawings. Areas planted with shrubs will be on 12-foot by 12-foot centers. Care should be taken to avoid planting stakes too deep or too shallow, and to avoid damage to stakes during planting. Planting depth should be in accordance with listed references and supplier recommendations. 8.9 PLANTING PERIODS The installation of live stakes, bare root, or container grown plants shall be performed between October 15 and December 15, 2005. However, planting can not begin until all stream repairs have been completed. Live stake planting not completed until April 1-30, 2006. 8. 10 REMOVAL OF NUISANCE VEGETATION Removal or control of nuisance vegetation shall be performed for a period of 90 days as necessary to ensure adequate survival of specified plant species. 8.11 WATER FOR PLANTINGS The Contractor shall install a rain gage and collect daily gage readings at the site. Contractor shall provide initial watering on the day of planting and thereafter at a minimum rate of 1 inch per week (including rainfall) for a period of 90 days. Water used in the planting or care of Stream Repairs & Bank Stabilization Page 10 Technical Specifications Macon County Stream Repairs September 2005 vegetation and plantings shall meet the requirements of Class C fresh waters as defined in 15 NAC 213.200. ' 8.12 SUBMITTALS Contractor shall submit purchase certificates (or other proof) of all ' species planted. END OF SECTION J n u SECTION 9 - BUFFER PLANTING 9.1 SECTION INCLUDES Provide all necessary equipment and labor to implement buffer planting plan. 9.2 MEASUREMENT AND PAYMENT See PROJECT CONTRACT 9.3 REFERENCES American Standard for Nursery Stock, latest edition NCDENR - Erosion and Sediment Control Planning and Design Manual 15 NCAC 213.200 - Classification of Water Quality Standards Applicable to Surface Waters & Wetlands of North Carolina The following specifications and methods form a part of this Specification: NCDOT - Standard Specifications for Roads and Structures. When the Specifications or Drawings differ from the requirements of the above-referenced documents, the more stringent requirements shall apply. 9.4 GENERAL All plants shall be as called for by these Specifications. Bare rooted plants may be used in lieu of container grown plants provided written approval for such use has been obtained from the Engineer. Grading of plants, type and minimum dimensions of containers shall conform to the Specifications contained in the latest edition of American Standard for Nursery Stock. Plants shall not be cut back from larger sizes to meet sizes called for on the Drawings. All plants delivered shall be true to name. Each plant, or group of the same species, variety, and size of plant, shall be legibly tagged with the name and size of the plant. All plants shall be first-class representatives of their species. The root system shall be vigorous and well-developed. The branch systems shall be of normal development, and free from disfiguring knots, sun scald injuries, abrasions of the bark, dead or dry wood, broken terminal growth, or other objectionable disfigurements. Trees shall have reasonably straight stems, and shall be well branched and symmetrical in accordance with their natural habits of growth. All plants shall be free from plant diseases and insect pests. All shipments of plants shall comply with all nursery inspection and plant quarantine regulations of the States of origin and destination, as well as with Federal regulations governing interstate movement of nursery stock. If nursery stock from other States is used, the stock shall be accompanied by a tag or certificate stating, in effect, that the nursery stock has been inspected and certified by an authorized official of the State of origin as apparently free from injurious plant pests. All plants shall be subject to inspection at any time by the Owner, ' Stream Repairs & Bank Stabilization Page I 1 Technical Specifications Macon County Stream Repairs September 2005 Engineer, or a party to be named by the Owner. Any such inspection before or during planting operations, however shall not be construed as final acceptance of the plants involved. 9.11 WATER FOR PLANTINGS 9.5 CONTAINER GROWN PLANTS Container grown plants shall be healthy, vigorous, well-rooted, and shall have become established in the container in which they are delivered. These plants shall have been in the established container long enough for the fibrous roots to have developed so that the root mass will retain its shape and hold together when removed from the container. The container shall be a 1 gallon container or larger, sufficiently rigid to firmly hold the soil protecting the root during transporting, handling, and planting, and the soil shall not be allowed to become frozen. The Contractor shall install a rain gage and collect daily gage readings at the site. Contractor shall provide initial watering on the day of planting and thereafter at a minimum rate of I " per week (including rainfall) for a period of 90 days. Water used in the planting or care of vegetation and plantings shall meet the requirements of Class C fresh waters as defined in 15 NAC 2B.200. 9.12 SUBMITTALS Contractor shall submit purchase certificates (or other proof) of all species planted. 9.6 BARE ROOT PLANTS Bare root plants, if approved for use by the Engineer, shall have a heavy fibrous root system which has been developed by proper cultural treatment. They shall be dug, packaged, transported, and handled in a manner that will prevent injury to or drying out of the trunks, branches, or roots, or freezing of the roots. '93 PLANT SUBSTITUTION ' No change in the specified plants (species, variety, size, caliper, furnish, etc.) will be made without written approval of the Engineer. All requests by the Contractor for substitutions shall be presented in ' writing and shall include a listing of the sources which have been contacted in an attempt to secure the specified plant material. Requests for substitutions shall include botanical name, common name, size, caliper, and furnish description of the proposed substitute. No increase in compensation will be made to the Contractor as a result of the use of the approved substitute plants. 9.8 PLANTING PREPARATION ' In areas where wetland and buffer planting will be implemented, preparation for planting operations shall be as described in SECTION 5.6 (Planting Preparation) of these Specifications. Where container grown plants will be planted, holes made in preparation for tree and shrub species planting shall be as shown on the ' Construction Drawings. Bare root plants and container-grown plants shall be planted in holes made by neatly punching a hole through slope protection matting and ' into existing grade with a dibble bar (a heavy metal tool with a blade and a foot petal). The dimensions of the hole shall not exceed 3" in any direction. 9.9 PLANTING PERIODS The installation of bare root and container grown plants shall be performed between October 15 and December 15, 2005. However, planting can not begin until all stream repairs have been completed. 9.10 REMOVAL OF NUISANCE VEGETATION ' Removal or control of nuisance vegetation shall be performed for a period of 90 days as necessary to ensure adequate survival of specified plant species. END OF SECTION ' Stream Repairs & Bank Stabilization Page 12 Technical Specifications Macon County Stream Repairs September 2005 SECTION 10 - PERMANENT SEEDING 10.1 SECTION INCLUDES Permanent seeding for permanent site stabilization. ' 10.2 MEASUREMENT AND PAYMENT See PROJECT CONTRACT ' 10.3 REFERENCES The following specifications and methods form a part of this Specification: ' NCDENR - Erosion and Sediment Control Planning and Design Manual When the Specifications or Drawings differ from the requirements of the above-referenced documents, the more stringent requirements shall apply. ' 10.4 GENERAL Permanent seeding shall be executed in temporary lined areas and all other areas which are disturbed during construction activities. In areas where Channel Protective Lining will be installed, seedbed preparation and seeding shall be performed prior to the placement of erosion control matting (See SECTION 7 - Channel Protective Linings). ' 10.5 SEEDBED PREPARATION Complete grading before topsoiling or preparing seedbeds. Avoid creating steep slopes. Excess stockpiled topsoil not used in construction of Channel Protective Lining shall be redistributed across areas to be seeded. Where topsoil is unavailable, topsoil shall be imported. The topsoil should be spread to a uniform depth of six inches and bonded to the subsoil by loosening with a disc, harrow, or chisel plow. Areas where seeding will occur on exposed finished grade shall be disked or harrowed to ensure soil aeration and to increase the surface roughness prior to planting. areas where Channel Protective Lining will be installed, no mulch shall be used and erosion control matting shall be placed within 24 hours of seeding. Apply mulch at the rates indicated below. The native species herbaceous seeding mixtures indicated below will be applied at a rate of %3 pound per 1000 square feet and will be mixed with the appropriate amount of rye or millet. Native Species Herbaceous Seeding Mixture: In the Lower Bank Zone: Species Scarlet Beebalm Jewelweed Common Rush Forget-me-not Sedge Elderberry (Monarda didyma) (Impatiens capensis) (Juncus effuses) (Myosotis scorpioides) (Carex sp.) (Sambucus canadensis) All other disturbed areas: Species Queen Anne's Lace (Daucus carota) Red Clover (Trifoium pratense) Narrowleaf Plantain (Plantago lanceolata) Clasping Venus' Looking-glass (Specularia perfoliata) Common Plantain (Plantago major) Native Grasses Grass Seeding Type Dates Possible Annual Rye Aug. 15 - May 1 German Millet Mayl - Aug 15 Rate 60 lbs./ac. 40 lbs./ac. Mulch Rate (7bs/1000 sg.ft.) Grain Straw 70 10.7 SEEDING DATES Seeding dates given in these Seeding Specifications have the best probability of success. Best Possible Late winter 15 Feb-15 Mar 1 Dec-15 Mar Late Fall 1 Sept-30 Sept 1 Oct-30 Nov Apply lime and fertilizer evenly across seedbed and work into the top 4-6 inches of soil by discing or other suitable means. Operate machinery on the contour. i Rework the surface if soil becomes compacted or crusted prior to seeding. Complete seedbed preparation by breaking up large clods and raking into a smooth, uniform surface. Fill in or level depressions that can collect water. 10.6 SEEDING Apply permanent seeding to seedbed after preparation is complete. Use ' certified seed for permanent seeding whenever possible. Certified seed is inspected by the North Carolina Crop Improvement Association. It meets published North Carolina Standards and should bear an official "Certified Seed" label. Broadcast seed into a freshly loosened seedbed ' that has not been settled by rainfall. Mulch must be used on slopes 4H:1 V or steeper and in areas when concentrated water may flow. Anchor mulch with netting in areas subject to concentrated flow. In ri Seeding shall be completed within the "possible" range of dates. 10.8 SOIL AMENDMENTS Apply lime and fertilizer according to soil tests, or apply 2 tonslacre (4,000 lb/acre) ground agricultural limestone and 1,000 lb/acre 5-10-10 fertilizer, or as directed by the Engineer. 10.9 MULCH Apply grain straw, or equivalent cover of another suitable mulching material as described above. Anchor mulch by roving or netting. Netting shall be used on slopes steeper than 2H:1 V. END OF SECTION Stream Repairs & Bank Stabilization Macon County Stream Repairs Page 13 Technical Specifications September 2005 C C! n u 0 r 0 0 H SECTION 12 - SITE MAINTENANCE 12.1 SECTION INCLUDES Site maintenance to ensure vigorous vegetative cover, stable channel lining, and durability of the work. 12.2 MEASUREMENT AND PAYMENT See PROJECT CONTRACT 12.3 EXECUTION Contractor shall revisit the site as to inspect the condition of the project site. Areas of erosion, settlement, poor vegetative cover, and displaced coir or excelsior materials or in-stream structures, shall be repaired. Site visits shall be coordinated with Owner. Erosion areas shall be filled and reseeded in accordance with Section 10 - Permanent Seeding. Areas of poor vegetative cover shall be reseeded and refertilized only. Displaced, damaged, or dead shrub species shall be removed, and replanted in accordance with Sections 8 & 9 - Stream Bank Planting 2nd Buffer Planting. Displaced channel lining materials shall be recovered (if possible) and replaced, or replaced with new channel lining materials to the design line and grade. END OF SECTION r Stream Repairs & Bank Stabilization Page 15 Technical Specifications Macon County Stream Repairs September 2005 ENDANGERED SPECIES SURVEY ON PEEKS CREEK, MACON COUNTY, NORTH CAROLINA Prepared for: Department of Agriculture Natural Resource and Conservation Service Macon County Franklin, North Carolina Prepared by: Pamela M. Boaze, Senior Biologist Fish and Wildlife Associates, Inc. P. O. Box 241 Whittier, NC 28789 September 19, 2005 ENDANGERED SPECIES SURVEY ON PEEKS CREEK, MACON COUNTY, NORTH CAROLINA INTRODUCTION The Department of Agriculture, Natural Resource and Conservation Service is proposing, using Emergency Watershed Protection funds, to repair damage done to Peeks Creeks (Macon County, NC) as a result of flooding from on September 16, 2004. The work will take place in the area shown in Figure 1. Plans call for streambank stabilization, channel relocation, and revegetating the area along a 4650 foot section of the stream. A review of data supplied by North Carolina Natural Heritage Database has been documented that 47 species of federally listed endangered, threatened or species of concern occur in Macon County, NC (Attachment 1). METHODS On September 7, 2005, Pam Boaze, Senior Biologist with Fish and Wildlife Associates, Inc. surveyed the Peeks Creek area as shown in Figure 1 to determine if any of the federally listed endangered, threatened, or species of concern or their habit are present within the area of Peeks Creek that will under go restoration. The survey consisted of a search along the riparian zone of the stream and an examination of the stream riffles, pools, and banks throughout the entire project area. RESULTS Following an inspection of the area of Peeks Creek that will be subject to restoration, it is the opinion of this Biologist that this project will not impact any of the federally listed endangered, threatened, or species of concern or their habit. The devastation that occurred on Peeks Creek within the project area was such that the biological community and the riparian zone of this stream was completely lost. Figure 2 shows a representative segment of Peeks Creek showing the devastation along the banks and the stream channel. RECOMMENDATIONS Therefore, it is my biological opinion that this project will NOT EFFECT any of i the federally listed endangered, threatened, or species of concern or their habitat of the are listed for Macon County, NC and that no further work be carried out searching for these species. Ila ?J: ?-? ? o1'?p~ `` .,j .. O , \ ,' - ? \?- ?? .,erg • ` •:'.?%+/ /' / / 713M LHT 1668,' 2115 Pint;ar6ve Ch =If ` 1 f: Y , , -- - - / J1l \ \ l ~ • ?I ilk ' ` _ k\ ' Dills Knob r G rove -,. l e / r Sch j rd J _ j? f / '?, , 1. ° _ •/ .?. ?, ?.?, i ?, 4 nd- Q t ti vi' CUUa - o . ; ll 6 1, 1 Callfornia /Gap; r ? - ? -- a ^' 32,0/ ?,, l _.? o ?O God a>a Gold Mine f ,yr 10. CEM 5* W ?. ?Zfr? - Pct +?\ ; ' Name: SCALY MT Location: 035° 07' 18.9" N 083° 17' 30.85" W Date: 9/19/2005 Caption: Figure 1. Location of EWP project area on Peeks Creek, Macon Scale: 1 inch equals 1600 feet County, NC. Copyright (C) 1998, Maptech, Inc . x f '! y ' ? = r r 1 a s 'r ;f a? y, Figure 2. Peeks Creek, upstream of Dills home place, Franklin, Macon County, NC. I I C ' Attachment 1 List of Threatened, Endangered, and Species of Concern for Macon County NC Natural Heritage Program, September 2005 NC NHP County Element Search Pagel of 8 NC NHP County Element Search Results New Search Returned Elements: 214 using: MACON ALL [Invertebrate Animal 42] [Natural Community 27] [Nonvascular Plant 39] [Vascular Plant 71] [Vertebrate Animal 35] ' i n Name C State Federal State Global - County Map - or Group Scientific Name Ma ommo Status Status Rank Rank Status Habitat Invertebrate Alasmidonta raveneliana Appalachian Elktoe E E S1 G1 Macon - Current Link Animal Invertebrate Alasmidonta varicosa Brook Floater E FSC S1 G3 Macon - Current Link Animal Invertebrate Alasmidonta viridis Slippershell Mussel E None S1 G4G5 Macon - Current Link Animal ' Invertebrate Autochfon cellus Golden Banded-Skipper SR None S1S2 G4 Macon - Current Link Animal Invertebrate Cambarus chaugaensis Oconee Stream Crayfish SC None S2 G2 Macon - Current Link ' Animal Invertebrate Cambarus georgiae Little Tennessee River SC None S2S3 G1 Macon - Current Link Animal Crayfish Invertebrate Celastrina nigra Dusky Azure SR None S2. G4 Macon - Current Link Animal Invertebrate Chlosyne gorgone Gorgone Checkerspot SR None Si . G5 Macon - Current Link Animal ' Invertebrate Etliptio dilafata Spike SC None S1 G5 Macon - Current Link Animal Invertebrate Erora laeta Early Hairstreak SR None S2S3 G3G4 Macon - Current Link Animal ' Invertebrate Erynnis martialis Mottled Duskywing SR None 83 G3G4 Macon - Obscure Link Animal Invertebrate Eulonchus marialiciae Mary Alice's Small-headed SR None S1S3 G1G3 Macon - Historic Link Animal Fly ' Invertebrate Euphydryas phaeton Baltimore Checkerspot SR None S2 G4 Macon - Current Link Animal Invertebrate Fusconaia bamesiana Tennessee Pigtoe E None S1 G2G3 Macon - Current Link Animal ' Invertebrate Glyphyalinia junaluskana Dark Glyph SC None S2 G2 Macon - Obscure Link Animal Invertebrate Glyphyalinia pentadelphia Pink Glyph SC None S2 G2G3 Macon - Obscure Link Animal Invertebrate Hapfofrema kendeighi Blue-footed Lancetooth SC None S1S2 G1G2 Macon - Obscure Link Animal Invertebrate Helicodiscus bonamicus Spiral Coil SC None S1 G1 Macon - Obscure Link ' Animal Invertebrate Isoperia frisoni A Stonefly SR None S3 G5 Macon - Current Link Animal Invertebrate Lampsilis fasciola Wavy-rayed Lampmussel SC None S1 Macon - Current Link ' Animal Invertebrate Macromia margarita Mountain River Cruiser SR FSC S2S3 G3 Macon - Obscure Link Animal Invertebrate Matrioptila jeanae A Caddisfly SR None S3 GNR Macon - Current Link Animal Invertebrate Micrasema burksi A Caddisfly SR None S3 GNR Macon - Current Link ' Animal ' Invertebrate Micrasema sprulesi A Caddisfly SR None S3 GNR Macon - Current Link Animal Invertebrate Nesticus cooped Lost Nantahala Cave SR FSC S1 G1 Macon - Current Link Animal Spider ' Invertebrate Paravitrea lamellidens Lamellate Supercoil SC None S2 G2 Macon - Obscure Link Animal ' http://207.4.179.38/nhp/find-php 09/19/05 NC NHP County Element Search Page 2 of 8 ' Invertebrate Paravitrea umbilicaris Open Supercoil SC None S2 G2 Macon - Obscure Link Animal Invertebrate Patera clarki clarki Dwarf Proud Globe SC None S2 G3T3 Macon - Obscure Link Animal Invertebrate Pegias tabula Littlewing Pearlymussel E E S1 G1 Macon - Current Link Animal Invertebrate Phyciodes batesii maconensis Tawny Crescent SR FSC S2 G4T2T3 Macon - Current Link Animal ' Invertebrate Phyciodes incognitus Mimic Crescent None None SU GNR Macon - Current Link Animal Invertebrate Polygonia faunus smythi Smyth's Green Comma SR None S2 G5T3T4 Macon - Current Link Animal Invertebrate Rhyacophila amicis A Caddisfly SR None S2 GNR Macon - Current Link Animal Invertebrate Rh hila mainensis aco A Caddisfly SR None S2 GNR Macon - Link p y Animal Current ' Invertebrate Rhyacophila vibox A Rhyacophilan Caddisfly SR None S1S2 GNR Macon - Current Link Animal Invertebrate Satyrium caryaevorum Hickory Hairstreak SR None S1? G4 Macon - Obscure Link Animal Invertebrate Satyrium edwardsii Animal Edwards' Hairstreak SR None S2? G4 CuMacon - rrent Link Invertebrate Serratella spiculosa Spiculose Serratellan SR None S1S2 G2 Macon - C Link ' Animal Mayfly urrent Invertebrate Skistodiaptomus carolinensis Carolina Skistodiaptomus SR None S1? GNR Macon - Current Link Animal Invertebrate ena aphrodite cullasaja e S Cullasaja Aphrodite SR None S1. G5T1 Macon - Ob Link y p Animal Fritillary scure Invertebrate ViUosa iris Rainbow SC None S1 G5 Macon - Current Link Animal ' Invertebrate Zonitoides patuloides Appalachian Gloss SC None S2 G3 Macon - Obscure Link Animal Natural Acidic cove forest None None None S5 G5 Macon - Current Link Community Natural Boulderfeld forest None None None S3 G3 Macon - Obscure Link Community Natural Canada hemlock forest None None None S5 G5 Macon - Current Link Community ' Natural Carolina hemlock bluff None None None S2 G2G3 Macon - Current Link Community Natural Chestnut oak forest None None None S5 G5 Macon - Current Link Community Natural Floodplain pool None None None S2S3 G3? Macon - Current Link Community ' Natural Heath bald Community None None None S3 G4 Macon - Current Link Natural High elevation granitic dome None None None S2 G2 Macon - Current Link Community Natural High elevation red oak forest None None None S5 G5 Macon - Current Link Community Natural High elevation rocky summit None None None S2 G2 Macon - Current Link Community Natural High elevation seep None None None S2S3 G3 Macon - Current Link Community Natural Low elevation rocky summit None None None S2 G2 Macon - Current Link Community ' Natural Low elevation seep None None None S3 G4? Macon - Current Link Community Natural Montane alluvial forest None None None S1 G2? Macon - Current Link Community Natural Montane oak-hickory forest None None None S5 G5 Macon - Current Link Community http://207.4.179.38/nhp/find.php 09/19/05 NC NHP County Element Search Page 3 of 8 u 0 n L n 7 0 Natural Montane red cedar-hardwood None None None S1? GNR Macon - Link Community woodland Current Natural Montane white oak forest None None None S2? G2G3 Macon - Current Link Community Natural Northern hardwood forest None None None S2? G2? Macon - Link Community (beech gap subtype) Current Natural Northern hardwood forest (typic None None None S4 G5 Macon Link Community subtype) Current Natural Piedmont/mountain None None None S4 G5 Macon - Current Link Community semipermanent impoundment Natural Pine-oak/heath None None None S4 G5 Macon - Current Link Community Natural Rich cove forest None None None S4 G4 Macon - Current Link Community Natural Rocky bar and shore None None None S5 G5 Macon - Current Link Community Natural Southern appalachian bog None None None S1S2 G1 Macon - G2T1T2 Current Link Community (southern subtype) Natural Spray cliff None None None S3 G2 CuMacon - rrent Link Community Natural Swamp forest-bog complex None None None S3 G2G3T2 Macon - Link Community (typic subtype) Current Natural White pine forest None None None S2? GNR Macon - Current Link Community Nonvascular Acrobolbus ciliates A Liverwort SR-D None S1 G3? Macon - Historic Link Plant Nonvascular Aneura sharpii A Liverwort SR-T None S1 G1G2 Macon - Historic Link Plant Nonvascular Bartramidula wilsonii Dwarf Apple Moss SR-D None S1 G4? Macon - Historic Link Plant Nonvascular Brachymenium andersonii Anderson's Melon-moss SR-L FSC SH GH Macon - Historic Link Plant Nonvascular Brachymenium systylium Mexican Melon-moss SR-D None S1 G5 Macon - Historic Link Plant Nonvascular Bryoxiphium norvegicum Sword Moss SR-0 None S1 G5? Macon - Current Link Plant Nonvascular Campylopus atrovirens var. Cliff Campylopus SR-D None S1 G4G5T4 Macon - Historic Link Plant cucullatifolius Nonvascular Cephalozia macrostachya ssp. A Liverwort SR-T None S1 G4T1 Macon - Historic Link ' Plant australis Nonvascular Cephaloziella spinicaulis A Liverwort SR-P None S1 G3G4 Macon - Current Link Plant Nonvascular Chiloscyphus appalachianus A Liverwort SR-T FSC S1 G1 G2Q Macon - Historic Link Plant Nonvascular Chiloscyphus muricatus A Liverwort SR-D None S1 GS Macon - Historic Link Plant Nonvascular Dichodontium pellucidum A Moss SR-P None S2 G4G5 Macon - Historic Link Plant Nonvascular Ditrichum ambiguum Ambiguous Ditrichum SR-P None S1 G4? Macon - Current Link Plant Nonvascular Drepanolejeunea appalachiana A Liverwort SR-L None S1 G2? Macon - Current Link Plant Nonvascular Encalypta procera Extinguisher Moss SR-D None S1 G4G5 Macon - Historic Link Plant Nonvascular Entodon compresses Flattened Entodon SR-P None S1 G4 Macon - Historic Link Plant Nonvascular Entodon sullivantii Sullivant's Entodon SR-0 None S2 G3G4 Macon - Historic Link Plant Nonvascular Gymnodemta lineare Rock Gnome Lichen T None S2 G2 Macon - Current Link Plant Nonvascular Homalia trichomanoides Lime Homalia SR-P None S1 G5 Macon - Historic Link Plant http://207.4.179.38/nhp/find.php 09/19/05 [1 n n u NC NHP County Element Search Page 4 of 8 i Nonvascular Hydrothyria venosa Waterfan Lichen SR-P None S3 G3G5 CuMacon - rrent Link Plant Nonvascular Lejeunea blomquistii A Liverwort SR-L None S1 G1G2 Macon - Historic Link Plant Nonvascular Macrocoma sullivantii Sullivants Maned-moss SR-D None S2 G3G5 Macon - Current Link Plant Nonvascular Melanelia stygia Alpine Camouflage Lichen SR-D None S1S2 G4G5 Macon - Current Link Plant Nonvascular Plagiochila austinii A Liverwort SR-T None S1S2 G3 H sMacon - tonc Link Plant Nonvascular Plagiochila caduciloba A Liverwort SR-T None S1 G2 CuMacon - rrent Link Plant Nonvascular Plagiochila echinata A Liverwort SR-L None S1 G2O Macon - Historic Link Plant Nonvascular Plagiochila sharpii A Liverwort SR-L FSC S2 G2G4 Macon - Historic Link Plant Nonvascular Plagiochila sullivantii var. A Liverwort SR-T FSC S2 G2T2 Macon - Historic Link Plant sullivantii Nonvascular Plagiochila virginica var. A Liverwort SR-T FSC S1 G3T2 Macon - Historic Link Plant caroliniana Nonvascular Pl mnium carolinianum i Carolina Star-moss -L SR None S2 G3 Macon - Link o ag Plant (=Carolina Mnium) Historic Nonvascular Porella wataugensis A Liverwort SR-L FSC S1 G1G20 Macon - Historic Link Plant Nonvascular Radula sullivantii A Liverwort SR-L None S2 G3 Macon - Current Link Plant Nonvascular Radula voluta A Liverwort SR-D None S1 G3 Macon - Historic Link Plant Nonvascular Schlotheimia lancifolia Highlands Moss T None S1 G2 Macon - Current Link Plant Nonvascular Sphagnum flavicomans Peatmoss SR-T None SH G3 Macon - Historic Link Plant Nonvascular Sphagnum squarrosum Squarrose Peatmoss SR-P None S1 G5 Macon - Historic Link Plant Nonvascular Splachnum pennsylvanicum Southern Dung Moss SR-0 None SH G4? Macon - Historic Link Plant Nonvascular Taxiphyllum aiternans Japanese Yew-moss SR-0 None S1 G3? Macon - Historic Link Plant Nonvascular Usnea angulata Old Man's Beard SR-P None S1 G3G5 Macon - Current Link Plant Vascular Aconitum rechnatum Trailing Wolfsbane SR None S3 G3 Macon - Current Link Plant Vascular Adlumia fungosa Climbing Fumitory SR-P None S2 G4 Macon - Historic Link Plant Vascular Amelanchier sanguinea Roundleaf Serviceberry SR-P None S2 G5 Macon - Current Link Plant Vascular Arisaema triphyllum ssp. Bog Jack-in-the-pulpit SR-P None S1 G5T4 Macon - Current Link Plant stewardsonii Vascular Botrychium lanceolatum var. Lance-leaf Moonwort SR-P None S1 G5T4 Macon - Historic Link Plant angustisegmentum Vascular Brachyelytrum septentrionale Northern Shorthusk SR-P None S3 G4G5 Macon - Current Link Plant Vascular Buckieya distichophylla Piratebush E FSC S2 G2 Macon - Current Link Plant Vascular Calystegia catesbeiana ssp. Blue Ridge Bindweed -T SR None S3 G3T2T30 Macon - Current Link Plant sericata Vascular Carex biltmoreana Biltmore Sedge SR-L None S3 G3 Macon - Current Link Plant Vascular Carex hitchcockiana Hitchcock's Sedge SR-P None S1 G5 Macon - Current Link Plant Vascular Carex leptonervia A Wood Sedge SR-P None S2 G4 Macon - Current Link Plant http://207.4.179.38/nhp/find.php 09/19/05 NC NHP County Element Search Page 5 of 8 Vascular Carex misera Wretched Sedge SR-L None S3 G3 Macon - Current Link Plant Vascular Carex purpurifera Purple Sedge SR-P None S2 G4? Macon - Current Link Plant Vascular Carex tetanica Rigid Sedge SR-P None S1 G4G5 Macon - Current Link Plant Vascular Carex woodii Wood's Sedge SR-P None S2 G4 Macon - Current Link Plant Vascular Celastrus scandens American Bittersweet SR-P None S2? G5 Macon - Historic Link Plant Vascular Chelone cuthbertii Cuthbert's Turtlehead SR-L FSC S3? G3 Macon - Historic Link Plant ' Vascular Dicentra eximia Bleeding Heart SR-P None S2 G4 Macon - Historic Link Plant Vascular Plant Dodecatheon meadia var. meadia Eastern Shooting Star SR-P None S2 G5T5 Macon - Current Link Vascular Epilobium ciliatum Purpleleaf Willowherb SR-P None S2 G5 Macon - Current Link Plant Vascular Euphorbia purpurea Glade Spurge SR-T FSC S2 G3 Macon - Current Link Plant Vascular Eurybia mirabilis Piedmont Aster SR-T FSC S2 G2G3 Macon - Historic Link Plant Vascular Filipendula rubs Queen-of-the-prairie E None S1 G4G5 Macon - Current Link ' Plant Vascular Frasera carohniensis Columbo SR-P None S2S3 G5 Macon - Current Link Plant ' Vascular Gentianopsis crinita Fringed Gentian E-SC None S1 G5 Macon - Obscure Link Plant Vascular Glyceria laxa Lax Mannagrass SR-P None S1 G5 H atone Link Plant ' Vascular Grammitis nimbata West Inthan Dwarf E FSC S1 G4? Macon - Current Link t Pol od Vascular Helianthemum bicknellii Plains Sunrose SR-P None SH G5 Macon - Historic Link ' Plant Vascular lr ot d C t C SR-P None S2 G5 Macon - Link Hexalectris spicata ora o res e Current Plant Vascular Hierochloe odorata Holy Grass E None S1 G4G5 Macon - Current Link Plant Vascular Houstonia longifolia var. g/abra Granite Dome Bluet SR-L None S2 G4G5T2Q Macon - Current Link Plant Vascular Huperzia appalachiana Appalachian Fir-clubmoss SR-P None S2 G4G5 Macon - Current Link Plant Vascular Huperzia porophila Rock Fir-clubmoss SR-P None S2 G4 Macon - Current Link Plant ' Vascular Plant Hydrastis canadensis Goldenseal E-SC None S2 G4 Macon - Current Link Vascular Hymenophyllum tayloriae Gorge Filmy Fern E FSC S1S2 G2 Macon - Current Link Plant Vascular Isotria medeoloides Small Whorled Pogonia E T S1 G2 Macon - Historic Link ' Plant Vascular Juniperus communis var. Dwarf Juniper SR-D None S1 G5T5 Macon - Link Plant depressa Current ' Vascular Liatris aspera Rough Blazing Star SR-P None S1 G4G5 Macon - Obscure Link Plant Vascular Liatris microcephala Small-head Blazing Star SR-P None S1 G3G4 Macon - Historic Link Plant ' Vascular Liatris turgida Shale-barren Blazing Star SR-T None S2 G3 Macon - Current Link Plant Vascular Lonicera canadensis American Fly-honeysuckle SR-P None S2 G5 Macon - Current Link ' Plant Vascular i f hi Fraser's Loosestrife E FSC S2 G2 Macon - Link raser a Lysimac Current Plant ' http://207.4.179.38/nhp/find.php 09/19/05 NC NHP County Element Search Page 6 of 8 ' Vascular Marshal/ia trinervia Broadleaf Barbara's SR -P None SH G3 Macon - r Ob Link Plant Buttons scu e Vascular Monotropsis odorata Sweet Pinesap SR-T FSC S3 G3 Macon - Obscure Link Plant ' Vascular Plant Oenothera perennis Perennial Sundrops SR-P None S2 G5 Macon - Current Link Vascular Packera millefolium Divided-leaf Ragwort T FSC S2 G2 Macon - Current Link ' Plant Vascular i in W ld Q Gl d SR-T None S1 G3? Macon - Link Parthenium auriculatum i u n e a e Historic Plant Vascular Pedicularis lanceolata Swamp Lousewort SR-P None S1 G5 Historic Macon - Link Plant ' Vascular Phegopteris connectilis Northern Beech Fern SR-P None S1 G5 Macon - Current Link Plant Vascular Platanthera flava var. herbiola Northern Green Orchid SR-P None S1? G4T4Q Macon - Historic Link Plant ' Vascular Platanthera grandiflora Large Purple-fringed -P SR None S2 G5 Macon - C t Link Plant Orchid urren ' Vascular Plant Platanthera peramoena Purple Fringeless Orchid SR-P None S1 G5 Macon - Historic Link Vascular Plant Poa palustris Swamp Bluegrass SR-P None S1 G5 Macon - Obscure Link Vascular Prenanthes roanensis Roan Rattlesnakeroot SR-L None S3 G3 Macon - Current Link Plant Vascular PYcnanthemum torrei Torrey's Mountain-mint SR-T FSC S1 G2 Macon - Historic Link Plant Vascular Rhododendron cumberiandense Cumberland Azalea SR-P None S1 G4? Macon - Current Link Plant Vascular Rhododendron vaseyi Pink-shell Azalea SR-L None S3 G3 Macon - Current Link Plant ' Vascular Plant Robinia hartwegii Hartwig's Locust SR-L None S1 G3T1 Macon - Current Link Vascular Saxifraga caroliniana Carolina Saxifrage SR-T FSC S2 G2 Macon - Obscure Link ' Plant Vascular ll Cliff St SR-P None S2 G4 Macon - Link um Sedum glaucophy onecrop Current Plant Vascular Silene ovata Mountain Catchfly SR-T FSC S3 G3 Macon - Current Link Plant ' Vascular Solidago rigida ssp. rigida Prairie Bold Goldenrod SR-P None S1 G5T5 Macon - Current Link Plant Vascular Solidago simulans Granite Dome Goldenrod SR-L FSC S1 G1 Macon - Current Link Plant ' Vascular Solidago uliginosa Bog Goldenrod SR None S1S2 G4G5 Macon - Current Link Plant ' Vascular Plant Spiraea virginiana Virginia Spiraea E T S1 G2 Macon - Current Link Vascular Streptopus amplexifolius White Mandarin SR-P None S1 G5 Macon - Historic Link Plant Vascular Thermopsis fraxinifolia Ash-leaved Golden-banne r SR-T None S2? G3? Macon - Current Link ' Plant Vascular Trichomanes boschianum Appalachian Filmy-fern T None S1 G4 Macon - Current Link Plant ' Vascular Trichomanes petersii Dwarf Filmy-fern T None S1 G4G5 Macon - Current Link Plant Vascular Trillium simile Sweet White Trillium SR-L None S2 G3 Macon - Current Link Plant ' Vascular Viola appalachiensis Appalachian Violet SR-T None S2 G3 Macon - Current Link Plant Vertebrate Aegolius acadicus pop. I Southern Appalachian T FSC S2B,S2N GSTNR Macon - C t Link Animal Northern Saw-whet Owl urren Vertebrate Aimophila aestivalis Bachman's Sparrow Sc FSC S3B,S2N G3 Macon - Historic Link Animal ' http://207.4.179.38/nhp/find.php 09/19/05 L D 7 D r 0 u n NC NHP County Element Search Vertebrate Ambystoma talpoideum Mole Salamander SC None S2 Animal Vertebrate Aneides aeneus Green Salamander E FSC S2 Animal Vertebrate Clinostomus funduloides ssp. 1 Little Tennessee River SC FSC S2 Animal Rosyside Dace Vertebrate Contopus cooperi Olive-sided Flycatcher SC FSC SUB Animal Vertebrate Corynorhinus rafinesquii Rafinesque's Big-eared T i FSC S2 Animal rafinesquii Bat - Mountain Subspec es Vertebrate Crotalus horridus Timber Rattlesnake SC None S3 Animal Vertebrate Cryptobranchus alleganiensis Hellbender SC FSC S3 Animal Vertebrate Cyprinella monacha Spotrin Chub T T S1 Animal Vertebrate Dendroica cerulea Cerulean Warbler SR FSC S2B Animal Vertebrate Desmognathus aeneus Seepage Salamander SR FSC S3 Animal Vertebrate Desmognathus wrighti Pigmy Salamander SR None S3 Animal Vertebrate Etheostoma inscriptum Turquoise Darter (PCT) None S1 Animal Vertebrate Etheostoma vulneratum Wounded Darter SC FSC S2 Animal Vertebrate Eurycea longicauda Longtail Salamander SC Animal Vertebrate Glyptemys muhlenbergii Bog Turtle T Animal Vertebrate Hemidactylium scutatum Four-toed Salamander Sc Animal Vertebrate Lasionycteris noctivagans Silver-haired Bat SR Animal Vertebrate Luxilus chrysocephalus Striped Shiner T (PS Animal Vertebrate Microtus chrotorrhinus Southern Rock Vole SC Animal carolinensis Vertebrate Moxostoma sp. 1 Sicklefin Redhorse SR (PT Animal Vertebrate Myotis leibii Eastern Small-footed SC Animal Myotis Vertebrate Myotis septentrionalis Northern Long-eared Sc Animal Myotis Eastern Woodrat - Vertebrate Neotoma floridana haematoreia Southern Appalachian SC Animal Population Vertebrate Notropis lutipinnis Yellowfin Shiner SC Animal Vertebrate Percina squamata Olive Darter SC Animal Vertebrate Sciurus niger Eastern Fox Squirrel SR Animal Vertebrate Sorex dispar Long-tailed Shrew SC Animal Vertebrate Sorex palustris punctulatus Southern Water Shrew SC Animal Vertebrate Sphyrapicus varius Appalachian Yellow-bellied SC Animal - appalachiensis Sapsucker Vertebrate Sylvilagus transitionalis New England Cottontail SR Animal Vertebrate Thryomanes bewickii altus Appalachian Bewick's E http://207.4.179.3 8/nhp/fmd.php None S2 T(S/A) S2 None S3 None S27 B,S4N C) None S2 FSC S3 FSC S2 FSC SUB,E None S3 FSC S3 None S3 FSC S2 None S3 None S2 FSC S2 G5 Macon - Current G3G4 Macon - Current G5T3Q Macon- Current G4 Macon - Historic G3G4TNR Macon - Current G4 Macon - Current G3G4 Macon - Current G2 Macon - Current G4 Macon - Current G3G4 Macon - Current G3G4 Macon - Current G4 Macon - Current G3 Macon - current G5 Macon - Current G3 Macon - Current G5 Macon - Current G5 Macon - Historic G5 Macon - Current G4T3 Macon- Current G3 Macon - Current G3 Macon - Current G4 Macon - Current G5T4Q Macon - Current G4Q Macon - Current G3 Macon - Current G5 Macon - Historic G4 Macon - Current G5T3 Macon- Current FSC S3B,S5N GSTNR Macon - Current None SNA G4 Macon - Current FSC SHB G5T2Q Macon - Page 7 of 8 Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link 09/19/05 ' NC NHP County Element Search ' Animal Wren Vertebrate Vermivora pinus Blue-winged Warbler SR None S2B Animal ' Vertebrate Vireo gilvus Warbling Vireo SR None S2B Animal NC NHP database updated: July, 2005. 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I N .: 05309 2005 MACON COUNTY EWP I SCALE: 1'=300' SEPTEMBER = PEEKS CREEK (DESIGNED BY: DP PEEKS CREEK - DSR #2 m CADD BY: KS INFRARED SITE MAPPIN DESIGN REVIEW I CONSTST. REVIEW: os3os?u?cal-Owq./Peek./ MACON COUNTY • McG A S S O C I A T E S ENGINEERING -PLANNING -FINANCE 55 BROAD STREET ASHEVILLE, NC PH. (828) 252-0575 -0 D D o m - Z > o? = D c Z O D r ? o m ? = N O 0 Il+ 0 O 0 0 m ° o m 0 G) D? ? O (Tl Z T y O f e a m :Z ?D ;C) w- =9A . J ? (Ill JOB NO.: 05309 M AC O N COUNTY E W P DATE: SEPTEMBER 2005 (n SCALE: 1"-300' = PEEKS CREEK DESIGNED BY: DP PEEKS CREEK - DSR #2 m McG AERIAL SITE MAPPING CARD BY: KS CONST [-,.j DESIGN .REVIEW MACON COUNTY ASSOCIATES coNSr RE?AEW: ENGINEERING•PLANNING •FINANCE 05309\NcGB-Dwgs/Pseks/ 55 BROAD STREET ASHEVILLE, NC PH. (828) 252-0575 CO CO L"', D m cn G7 D m Z m Onc ?U -TI 7 ?- z F- O>,m m m D U) Nm?o m D D O f 1 =nom D ?;u m OK) b o --? + -F- m r- ..\ i m m`0 -Ij O (-n m ° D m` ?? 1 \\ m o z-0 LLB ?? ?\\ 1 I D(/) °D n /'// i /? / \\ 1 1 1 1 1I 111\?I D / / % % / i 1 JI ?I I I II II111\ 0- j// /? %?t111 III 111111 zc+o ° N ) O m m DmD C/) N + Fri -u ;U m r7l D Fri O D ? A ? ? ? ! l ,l?/ice /?/ i; ;- % ? // ? \ ; ,=01???-? P '?• 1 1 0 m / 6 O C, LC? FT? , (j? / / //i / ? c„ 11 m oooo? "'oo' / Illil ° FT D O (? II/? ?;,;; J/iii//? ? ?• ? .? 1 ?, ,? ;lillllir?i, -T, C/) g' III III 1111111 -?ii,//%/ \ \ ? - II?>8•? ?" °a I ? D 71 III 1 1111?1111? 1; /? 1? / =??\?? `` rrvv, N ?? cn' I 111 1 1,I 071 b I I 161, 1 1 1 1vA \\ ulI 1 1 1 1 1 1 1 1 1 ?i ?% _ 11 \0\\ V I? I jll?ll \`IIIII?? '??? U?\\ \\l \\\\ \\11111 ` ? ? ?-- ???.• ? , ? I \? ?\?? ?_ _ \_ ?u o \\\\ \ \\ III ??? / \\ ? 0 n C/) D 71 C/? p ? ? C-) 0 Cf) 0( ,,? O_-I c'n ox > F- 0 0:4 Nom, DN???,,\\\\ =? cn -- A (n cn -u O FT1 MD0O C/) ;U -,0 ?m0cn coD+m o? D ° m -?m0'D cn D O n cf) cn n mZ+O D ° CP z JV z c? (f) (f) -u rmT1 D 0 O O mN(n D ± m ;ZJO? 0 O ---1 F71 ? cn D ocn- ?? -0 D U) m 0 C, z+0 °0Z D D CA ?z z° G? CA :z ?D D_ -Tl K=? (P? Q D ;tom c,, r- ie _ - - i m + U) O ° -?Imo =O m O O O n rn - JOB NO.: 05309 MACON COUNTY EWP ^ PEEKS CREEK DATE SEPTEMBER 2005 SCALE: 1-=30' BY: DP DESI NEDD PEEKS CREEK - DSR #2 McG J m CREEK CENTERLINE : KS D '+' -? STATION 10 00 TO 14 00 DESIGN REVIEW: CONST. REVIEW: MACON COUNTY A S S O C I A T E S N K I N G I 8 R I N V L B 5 05309Q-e 05309-PeeP*.ke-C1C1,,C2 C2, C33..d d. g ) 0575 252- ASHE E. ROAD STREET 5 5 PH r? r r r? r¦ irr rr ¦r rr r rr rr r rr ¦r r rr r rr ?a 1> ?q m c?a: n r W 0 Z, ;m ?D 3?1 ?f Ow ?mm? m X >OD r- D + m I- ? ?Oo Z go O O 0 z zal T .X n zm 0m G)m 00X zn T T /C/? V/ m m? m ZnWK;p z r rn O G * z 1 ;0 nt00^D l! D p 0 z m + mr_?? rO00 OT.D? Z omo ?or Om mmo rnTm r.-ix cmcn D_i0z z . O cn i 00m x U) 0?zrr11> U) m ? T DZ;0 X00 _n?D Kx ?=0? D?m? m m0G) N T m m 4 m00? -izc -1G7? ?wm CO > ;a c z -n T ;(7 ? Q D m z r0 W 0z0 c: z (7) ?OX T O '0 T T r r- C/) m r0 Dz0z 0 m -i m> z m Ln K? IN 0 Wm? 0 > 10 0 ?0? z?+ O M CD O T00 T ir_+i Vul m D 0 0 O 2 Tm NT N 0^ lTJ 0 T m? K - OD S 1 ON c>, z 0TT0 N + U) o CO VI 1 + z(0 Oo n y2 Z z m r D? 0= OD 1 + N cn Pz z + z D + T r r D z 0 T z --i t At, F+ ,. talk ' Ki ll lip + J? JOB r - " 05309 DATE SEPTEMBER 2005 MACON COUNTY EWP 7- PEEKS CREEK SCALE: NOT DP SCALE DESIGNED BY: PEEKS CREEK - DSR #2 McG N m REPAIR DESCRIPT10^,' CADD BY: KS m DESIGN REVIEW: ACON COUNTY ASSOCIATES - CONST. REVIEW: ENGINEERING PLANNING-FINANCE OS.S09\WCGII-Drpe/Peekef_ 55 BROAD STREET ASHEVILLE, NC PH. (828) 252-0575 M .. =?:Z ,? ?D ((((ff0' or lq' W ti o? m 0D O on + ? N O v, 0 O O M 0+ n V U r O v m D n r D z Z =mLn mg- 00U) a)mD N C 1 I !O N O 0001 O m? wW ?-4 ?crt z m O Z z n D Z z m r n C W 00 ;a T O to n? ?cf) ZD 0- W O cn 0 0?O 0 w m+ co ;o Lrl U5 cn O z JOB NO.: M A C O N COUNTY E W P • ^ r PEEKS CREEK SEPTEMBER 2005 SCALE: NOT TO DP ESIGNED 8r BY 0P D PEEKS CREEK - DSR #2 McG m REPAIR DESCRIPTION . . BY. KS CADD - PHOTOGRAPHS DESIGN REVIEW: DESIGN CONST. REVIEW: ??? O COUNTY A S S O C I ATE S ENGINEERING•PLANNIN G•FINANCE 05309\IICGGI-Dwge/Peeka/ l NC PH. (828) 252-0575 55 BROAD STREET ASHEVILLE _ \0530g-Peeku-C1,C2,C3.dwg - , Is ss si ss ss s? sr ss ss is ws ss ?s s ss ss ss s ss ?C/1) cf) _T) mm•-i;U 0 m D O > 71 r m O -P cn -? D m - moo m ;U _j M D ? O D + cf) O 0 ? n O m I> m ?Zr?t z ={ (nm?oo p Z M>oo{ ?0NC D dI7 L ? Z (() c) mo_ Z C ^mCOcf) O r -0m ? 7u M D < N v D Z :• m ON-0 -1CTI mN?z4z ;?o + N N D ? J = CTI 7J m .? 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O ° Z D v z O (ACA -0 0 D m>0 om cn Cn v _ucp ? D0 +m m D 7) 0 m? ° m D4 m C/) D ?O ?:u C ° U 0 cf) o Cn D m O n?- _I z +cf) 0 01 ° oo n D 0 Z O z ? G7 D Qo Z C ?b o Iz D ;'tiFY ?- O n C7 F7 ° C DUX -i C) -i U O FTI - c? m Om X D z ?? F71 ?m J° c? m TJcnCn-0 mm --A?:o u m D O D ;U -D Z7,,,CD0 Cf) D + m o m ° m n ? O D or) cj + cn -_2On O Z O ° Z D O z O DA NO.: 05309 fViACON COUNTY EWP U) PEEKS CREEK DAB SEPTTEMB EMBER 2005 SCAB: DESIGNED BY: D BY: DP PEEKS CREEK - DSR #2 McG* m CREEK CENTERLINE CADD BY: KS m DESIGN REVIEW:IAC O N COUNTY A S S O C I A T E S STATION 14+00 TO 18+00 CONST. REVIEW os3o9?uocal-Dwas/P?./ ENGINEERING•PLANNING-FINANCE \05304(; 1 a-L4.C5.C6.dwd 55 BROAD STREET ASHEVILLE, NC PH. (828) 252-0575 r rr rr rr rr rl rr ?r ?Ir Ir rr rr rr rr rr rl ri rr Ir mX ? < -i mD Ocl c+ m0 m0 D+ Zo 0 z 0 r z m r C7 m? O- + O0 00 Orn ?+ cri cc o 2 L7 D X m D .. . - 7'. v.Y. J i + ?j µ ur ?, 1 .S F _ Y T - `? O • r4 ? m ' ; CT D -n o O;o 0TH ?mU) Ozccn O=c1l m0C0 ?Wrn w 0x0 O < m m r CO X m 0 0 m 0 co D z z mm=O? om -{COm, cn mzO?m?D Omo0Ngm mm?r++ , O O n 1?ZOopO DcnDm? ???7t?ZDZ MT-1Zz70 rKrm0 r z p0 z-?Omrm MM ow 0 m ;o 00??0mx o•O Tmzm o : o?m000 m0 =MD ??0Zo Z c) m ?mW M 00?0K0 A?z OM Fn cl) v? 0- a(/) OD mj ? C77 + o° U) T? U) N ;o 00 O? ?D Z `+' M cNn cl) m O O r r O n D O z w:. m200>?; K mm0*0 -0 C) TX<cD <XC) ?G)mcn zom ?D=? co 0 DDD ZOm O ?OZ+ nrrmo Zo=ct?n?0 m m Z??m+ Ozr-z I or- ;O K m o Op0=O0 ?moDm? m O m o m T00MM 0. W 2 *-0 KDmZ O O -I D z ;o m z m 'Tl m?pr D m O0- mm m D;r, ,)r-gym z y ;o Z 0 ZD O :E nK O M M 17 a; t ?a- y 1 { Y n •, w JOB PT M R 00 M AC O N COUNTY E W P PEEKS CREEK DAM SE E BE 2 5 SCALE: NOT: DP SCALE DESIGNED BY: PEEKS CREEK - DSR #2 McGm m REPAIR DESCRIPTION CADD BY., KS -{ m PHOTOGRAPHS DESIGN REVIEW: CONST. REVIEW: 5309 Op D P MACON COUNTY ASSOCIATES ENGINEERING•PLANNING•FINANCE rpe/ edn/ 0 ?Nc l- \05309-P..Y.-C4. G5.(`.8.dr 55 BROAD STREET ASHEVILLE, NC PH. (828) 252-0575 ww ww w¦r w wr w¦ ww ww wl ww ww ¦w w? wI w? ww w ww ww O, m? C7 ? O ,f - I?yf \?? 11111 s a .. '0 D to W 7 .,P .4t z S" T 1?e _,iIKS+'Y''? E ? ? a NO.: 05309 R 2005 PT B MACON COUNTY EWP • PEEKS CREED DATE SE EM E SCALE: NOT SCALE DESIGNED BY: : DP PEEKS CREEK - DSR #2 McG m REPAIR DESCRIPT'ON CADD BY: KS m -i PHOTOGRAPHS DESIGN REVIEW: CONST. REVIEW MACON COUNTY E ASSOCIATES ENGINEERING PLANNING FINANCE IPeekol 05309\1/cCll-D- NC PH. (828) 252-0575 55 BROAD STREET ASHEVILLE , 05309-Pwks-C4CS,C6. w , 0 ? 8? b?S Z co IV33 loom m?Wo I I - - -? ?A ?o ally /l/ ?/./ ZWG) 030; I? IN i / ?l m? + lllllll / ? - o / l ? , llll//?l/ // ` I ?\ \I C) x X V) F71 I I I II iII/ /?' c? lllljlil?l 1, I- - ' m 0 D ll?ll / l%111/ U) llllll?/ `\\\I I I/ \ .,s mDO lllllll ? ^ I??I1\\ ? ' M o ??i? 1 1 l\I I i Co Cf) >+o ?IIIIII 111 11 `- >>>1i v ` ;.1 11 ?o \ If II11 \ / 111 1 , FT1 F71 \I m \\\\\\\1\ \ t\? - - \ \ \ A \\ , `t `? - A V A \ O \00\ \00\ ",X\ ?? V A \VA A I'\ \ \ \ \ 1` \ ?O \ I \\VA M0,\ ?// \\\\\\? l \ =\\\\\\\ --1 O cr, A n 2 T D 7??? ?7 F o O ? D + _u ?U -< - co m -???\?? li / \\`?? r Z: F71 co? cn D rn -I C7 X D ?7 C o -- ??z + n oho m? ?Cn? C D (n mNJ -T1 + D r mom Z D O m X V03"",O C7 ?', 1-\ CC) z ???- - ?? ?\ 1 l11 11 \\\\? _ ? ? / / \ ? \?? , v? I\\\\\,\111 i \? V \W\ v?+vv ?? 1 1 111?.??11 l 1 Jill ? \ of MATCH LINE SH STREAM CENTERLINE STA. 2 22+00 ?Ucn cn ? Fri 71 0 mD 0 O D?;u -u m o 0 0 -I D + ? 0 -u?uo M C) --i m D ? O D 0? u+cf) Don O ? Z O o z D CA / z? U) O cn m m --? X _T1 D v) Cn m i N Z N + O O 00_ O Cil F_ m n Tl " NO.; 05309 M' ' SEPTE BER 2005 D MACON COUNTY EWP • = PEEKS CREEK A M DSCALE: 1'-30' ESIGNED BYO DP PEEKS CREEK - DSR #2 McG M CREEK CENTERLINE CADD BY. KS --,m STATION 18+00 TO 22+00 \REVIEW CONST. REVIEW: MACONCOUNTY AS-°ciaTEs ENGINEERINGPLANNING•FINANCE )53N 05309\ - ob 55 BROAD STREET ASHEVILLE NC PH 828 252 0575 5309-P .aks-C7,C8.d.d?q , . ( ) - rr ?r rr rr rr rr r rr r? r r ?I¦ rr rr r it r r r C ? 0z .2 ` Z ODD ? co ? (n ° Om° oz0 ? TD° T z r ? zX Z -1 Z W D z T C r r m z n 2 co r. T z O ;a X D OOo Cn t m=(o ?? `?. }:. •. ,:,.,, S Tom, '` .'_ t4 ` S ` A?'? t ?.?a r. f 1 ? o ;;:Y, y •F;_ rs, ,I y I 411 ` I 1 r ,'„ ` xr I t ? r t F'r s•. tt i Y ,t f A ? ? C '?C }1ykl 5: k b ?i-- ,?}. Y MV };::ice 1 `,4 D't ?-, tom, •, ? .. iii PoF F 1` ' , r (} ? t, t I.. :.. ,.Ar, d I r ?i Y a'". X32 r? a .rt 6orl Dm r? r r- mm ?m D O? r 0 m ? C7 00 m? =m M r T m 0T? O? ?m 00 ;o m 0 z = z c) \\\t 1111 , i :'?'?'• • A o,? •ti 20 p- co JOB NO.: 05309 MACON COUNTY EWP • DATE: SEPTEMBER 2005 McG ^ PEEKS CREEK SCALE: NOT TO SCALE r DESIGNED BY: DP PEEKS CREEK - D S R #2 m REPAIR DESCRIPT O',.' 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N) 0 D ri + ° 0 D m0(J? ?U 0 ml zm X ?cj? mz mn O (f) m -7 -i x _T D> cn ' m r- + O F71 .p ° mom ci cs Cn O r m X m X -? z z m O ° 0 -? m F7 F7 O D ri m O u? 77. \ C) / ( l r1 x X N 0 ,1\l\ \ A I D- ,/; - O ? O (_Tj o CA 0O M O % STRE TCH LI N ° -_ qM CENTENE SHEE + co: RUNE SrA.l 6 2 71 P.•. 00 o rJOB NO.: DATE 05.309 MACON COUNTY EWP • : SEPTEMBER 2005 r PEEKS CREEK SOAK: DESIGNED BY BY: DP PEEKS CREEK - DSR #2 McG m CREEK CENTERLINE CADD BY., KS A m DESIGN REVIEW: A S S O C I A T E S VI STATION 22+00 TO 26+00 CONST. REVIEW: MACON COUNTY os3os\u?c?i-D.ro./P..k./ ENGINEERING •PLANNING•FINANCE \05309-P..k.-C9,C10.d.Q 55 BROAD STREET ASHEVILLE, NC PH. (828) 252-0575 a` z ` ?r r ? O OIc Z G C: C C ?r r Tr D? T` Or XC mC Dr c or r OD i? 7 cl )D N O 7 -? 70 ? N ? cc i°o i i i 7 ) ) ° C O T W X T mzc,--q m ? ?°? Dnco c)mcnnNO - mxomcnzcn Z G MX c/) --q E00-0 XIN) 0 C T D 0 C+ Do?m- 'io Z T.0?m O o?0 DOnC?o G) m00°2 ? ?cznz c T0 Zm=DG) m c D Z 2 U?z02 zml Xco Zz ,()C mX z?-?co „ m z r- mm r >0-0 Z?mz? G)rC00 r0-0 °3 m D z z ° ?? \\\((111 !// ? . •??••••N 0. ?,Z (D fTl ?DD_ y • ?q ,s•; ?o T m _, D?o ?D 0 0+ O 00 Z mCD 0+ Dcn z m .7 e k rp a W ? t ?yFf73 rya ?,? !`r _ a 8 wq, JOB NO.: 05309 cA m PEEKS CREEK REPAIR DESCRIPTION DATE: SEPTEMBER 2005 SCALE: NOT TO SCALE DESIGNED BY: DP CADD BY: KS O m PHOTOGRAPHS DESIGN REVIEW: CONST. REVIEW: °;0 T 000) O-CnID C + D CJI z C7 z z m r m O ;i7 c D O r. z 0 3-? , f , yx > A ,- a :k, . e y - . -b f r? y r ? Rl s C z O z r - m 2 l J ? N o` mm? rX D 2 ? w 05? 2D0 N ?m-+' h x _ f Oro M -i C) 0 m00 c? Wm Or C0 r n ° m D ?0 v mZ n O z cn C N T n m D D? 0 m0 r? Z + O G) z D r 0 n O z 4 F *? 4A. Vt4 t 's w a `. )= /tom 5 d 4 /? .' 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Z C 0 0 o m Or Zm -)C (f) m Z7D 5= ?D 0 ;0D ) r,Tj < 0 = 0 rn C r 70 --1 ul D Z o ;o >n Zo m? Xr cz rc GAD z Dm O_a v ZZ M m <? (J) 7o N C rn o Z y0 m >(/) D Zr DN DC Z(,() cm n rn Z N C D D O z >rn zN rn r-n r0 rTlD(A N 7C _ O W 0 O n r o 4 O O 0 O2 C) a -?7 O D ?m _ D O?m m z 7u 70 u o O ° m m 2 Or OO =? - ' Z; O7- o Z () Q co O rn C) :E Z o 07D 03Z ?o 0 D( ) ND mo DD Z -n o X M 0 m m z r K:z D l z l O I Z I m 7c) 0=Z rn N rn p O(n ym0 0 0 0 0 0 0 Zr ?()K r (n 7 rn F Z n m m m m m m co 0 ?( rn ) rn x x x x x x V) = K 0 0 0 0 0 0 0 0 0 0 00 W r-n ? rn 0 -0 v v -0 v m a u rnQ Q 0 0 0 0 0 0 _u >O z 0 0 0 0 0 0 rn rn < Iv O w DO m DO ao ao ao O ao _ D () N Z Z m O Z D ;r? Z D Z Z Z Z X Z X n D U) ;v ;o m Fn rn -u (n 76 > Z m (Di) Z D Z m Z m Z m Z m D x 0 o Z r- Z ? R, z R, R* Z Fn G) m co co m ca /10 z n 0 0 0 0 _ Z 1 2 = m im "ate MACON COUNTY EWP ? DATE:* sEr,e,?eoe zoos • PEEKS CREEK SCALE: D NOT O TO ? PEEKS CREEK - DSR #2 EIMcG N m PLANTING SCHEDULE ? M. 1. WME. co m & PLANTING DETAILS _ MACON COUNTY ? A S S O C I A T E S y_ F INEERING-PLANNING -FINANCE 05.719-P?ra- - ` t3ROAD STREET ASHEVII ..I E, NC PH. (828) 252-0575 Triage Check List Date: 09/30/05 Project Name: Macon County EWP - Peeks Creek DWQ #:05-1812 County: Macon Kevin Barnett, Asheville Regional Office To: 60-day Processing Time: 9/23/05 to 11/21/05 From: Cyndi Karoly Telephone: (919) 733-9721 The file attached is being forwarded to you for your evaluation. Please call if you need assistance. ? Stream length impacted ? Stream determination Wetland determination and distance to blue-line surface waters on USFW topo maps ? Minimization/avoidance issues ? Buffer Rules (Meuse, Tar-Pamlico, Catawba, Randleman) Ei Pond fill Mitigation Ratios ? Ditching ? Are the stream and or wetland mitigation sites available and viable? ? Check drawings for accuracy Is the application consistent with pre-application meetings? ? Cumulative impact concern Comments: As per our discussion regarding revision of the triage and delegation processes, please review the attached file. Note that you are the first reviewer, so this file will need to be reviewed for administrative as well as technical details. If you elect to place this project on hold, please ask the applicant to provide your requested information to both the Central Office in Raleigh as well as the Asheville Regional Office. As we discussed, this is an experimental, interim procedure as we slowly transition to electronic applications. Please apprise me of any complications you encounter, whether related to workload, processing times, or lack of a "second reviewer" as the triage process in Central had previously provided. Also, if you think of ways to improve this process, especially so that we can plan for the electronic applications, let me know. Thanks! MC Gill ? A S S O C I A T E S September 23, 2005 Mr. Scott McLendon, Asheville Regulatory Field Office Chief Asheville Regulatory Field Office US Army Corps of Engineers 151 Patton Avenue Room 208 Asheville, NC 28801-5006 f Ms. Cyndi Karoly, Supervisor 401 Oversight and Express Permits Unit 1650 Mail Service Center Mail Service Center Raleigh, NC 27699-1650 Dear Mr. McLendon and Ms. Karoly: ? X0518' 12 Rpm. 1 S F ?) 2 8 2005 DENR - WATER QUALITY WETLANDS AND STORMWATER BRANCH Re: 401/404 Permit Application for the Emergency Watershed Protection (EWP) Project - Peeks Creek Site Macon County, North Carolina As part of the 401/404 Permit Application for the Emergency Watershed Protection (EWP) Project, a list of property owners for the Peeks Creek site was attached to the Pre- Construction Notification (PCN) Application Form as is required by the U.S. Army Corps of Engineers. A couple of the addresses on the form were inadvertently wrong. Enclosed, please find a corrected property owners and address sheet. Please disregard the sheet that was submitted to your office as part of the 401/404 Permit Application on September 22, 2005. If you have any questions or need additional information, please do not hesitate to contact myself or Jennifer Ballard. E n g i n e e r i n g P l a n n i n g • F i n a n c e McGill Associates, P.A. • P.O. Box 2259, Asheville, NC 28802 • 55 Broad Street, Asheville, NC 28801 828-252-0575 • FAX 828-252-2518 1 Mr. Scott McLendon and Ms. Cyndi Karoly September 23, 2005 Page 2of2 Sincerely, McGILL ASSOCIATES, P.A. i' o - d c ?0+ MARK D. CATHEY, P.E. Enclosure cc: Mr. Kevin Barnett, NCDENR DWQ, w/enclosure Mr. David McHenry, NCWRC, w/enclosure Mr. Brian Cole, US FWS, w/enclosure Mr. Sam Greenwood, Macon County, w/enclosure Ms. Pam Boaze, Fish & Wildlife Associate, w/enclosure Mr. Forrest Westall, Sr., P.E. 05309/letters/Core Correction 23sep05.doc V Property Owners for the Peeks Creek Site (Starting Downstream) Pro a Owner Pin # Acrea a Owner Address Bryant Thomas 0444262 103.36 521 Peeks Creek Road, Franklin, NC 28734 Larry Morris 0441437 1.52 664 Peeks Creek Road, Franklin, NC 28734 Launcelot & Bette Lucas 0400104 0.4 4342 Marsh Road, Deland, FL 32724 Glenn & Aileen Holland 0400364 1.7 28 Leebrook Drive, Franklin, NC 28734 Rodney Holland 0430197 0.64 788 Peeks Creek Road, Franklin, NC 28734 David Jones 0430195 0.38 14 Leebrook Drive, Franklin, NC 28734 David Jones 0400423 1.01 14 Leebrook Drive, Franklin, NC 28734 James & Georgia Holland 0400367 2.82 859 Peeks Creek Road, Franklin, NC 28734 Elmer Newman Trustee 0400607 7.1 18122 126th Terrace N., Jupiter, FL 33478 Royce Califf Sr. Life Estate 0400564 0.7 P. O. Box 888202, Atlanta, GA 30356 Royce Califf Jr. 0421432 0.85 P. O. Box 888202, Atlanta, GA 30356 Royce Califf Sr. 0421433 1.15 P. O. Box 888202, Atlanta, GA 30356 Ter Smith Sr. 0428754 -0.62 312 SE Count Club Rd, Lake City, FL 32025 _ Marvin Dantzler 0400193 1 407 Corley Manor Ct, Lexington, SC 29072 Melba Watts 0400847 0.7 2777 Lake Silver Rd, Crestview, FL 32536 Nellie Carpenter 0400229 5.67 29 Fish Hawk Road, Franklin, NC 28734 Dorothy Dodd 0400199 1.25 4598 Cactus Ave, Sarasota, FL 34231 Sandra Mandia 0400348 0.99 1240 Peeks Creek Road, Franklin, NC 28734 Joletta & Wallrath Treadwell 0400837 105.59 1185 Peeks Creek Road, Franklin, NC 28734 -• OF WATE Q? RpG Michael F. Easley, Governor `7 William G. Ross Jr., Secretary North Carolina Department of Environment and Natural Resources Alan W. Klimek, P.E. Director Division of Water Quality October 19, 2005 DWQ Project # 05-1812- Macon County Sam K. Greenwood, County Manager ? Macon County Courthouse Annex 5 West Main Street ®? n Franklin, NC 28734 T 2 8 LJ Subject Property: Peeks Creek EWP (DSR - #2) DINJ ?moo y ??7uAk11`y ' Omfttl Approval of 401 Water Quality Certification with Additional Conditions Dear Mr. Greenwood: You have our approval, in accordance with the attached conditions and those listed below, to place fill within or otherwise impact 539 feet of streams for the purpose of streambank stabilization and woody debris removal / trash removal at the subject properties, as described within your application received by the N.C. Division of Water Quality (DWQ) on October 10, 2005. After reviewing your application, we have decided that the impacts are covered by General Water Quality Certification Number(s) 3367 (3367). The Certification (s) allows you to use Nationwide Permit(s) 37 when issued by the US Army Corps of Engineers (USACE). In addition, you should obtain or otherwise comply with any other required federal, state or local permits before you go ahead with ,your project including (but not limited to) Erosion and Sediment Control, Non-discharge, and stormwater regulations. Also, this approval to proceed with your proposed impacts or to conduct impacts to waters as depicted in your application shall expire upon expiration of the 404 or CAMA Permit. This approval is for the purpose that you described in your application. (Nothing in this approval should be interpreted as giving permission to remove bedload material from the existing channel, nor allowing for the construction of berms which would prohibit the stream access to it's floodplain.) If you change your project beyond the approval here, you must notify us and you may be required to send us a new application. If the property is sold, the new owner must be given a copy of this Certification and approval letter and is thereby responsible for complying with all conditions. If total fills for this project (now or in the future) exceed one acre of wetland or 150 linear feet of stream, compensatory mitigation may be required as described in 15A NCAC 2H .0506 (h). This approval requires you to follow the conditions listed in the attached certification and any additional conditions listed below. The Additional Conditions of the Certification are: 401 Wetlands Certification Unit 1650 Mail Service Center, Raleigh, North Carolina 27699-1650 2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604 Phone: 919-733-1786 /FAX 919-733-6893/ lntemet: http://h2o.enr.state.nc. uslncwetlands *ik RCbENR An Equal Opportunity/Affirmative Action Employer- 50% Recycled/10% Post Consumer Paper Macon County: P Page 2 of 6 October 19, 2005 1. Impacts Approved The following impacts are hereby approved as long as all of the other specific and general conditions of this Certification (or Isolated Wetland Permit) are met. No other impacts are approved including incidental impacts: Amount Approved (Units) Plan Location or Reference Stream 464 feet Peeks Creek Stream 75 (feet) UT to Peeks Creek 2. Erosion & Sediment Control Practices Erosion and sediment control practices must be in full compliance with all specifications governing the proper design, installation and operation and maintenance of such Best Management Practices in order to protect surface waters standards: a. The erosion and sediment control measures for the project must be designed, installed, operated, and maintained in accordance with the most recent version of the North Carolina Sediment and Erosion Control Planning and Design Manual. b. The design, installation, operation, and maintenance of the sediment and erosion control measures must be such that they equal, or exceed, the requirements specified in the most recent version of the North Carolina Sediment and Erosion Control Manual. The devices shall be maintained on all construction sites, borrow sites, and waste pile (spoil) projects, including contractor-owned or leased borrow pits associated with the project. c. For borrow pit sites, the erosion and sediment control measures must be designed, installed, operated, and maintained in accordance with the most recent version of the North Carolina Surface Mining Manual. d. The reclamation measures and implementation must comply with the reclamation in accordance with the requirements of the Sedimentation Pollution Control Act. 3. No Waste, Spoil, Solids, or Fill of Any Kind No waste, spoil, solids, or fill of any kind shall occur in wetlands, waters, or riparian areas beyond the footprint of the impacts depicted in the Pre-Construction Notification. All construction activities, including the design, installation, operation, and maintenance of sediment and erosion control Best Management Practices, shall be performed so that no violations of state water quality standards, statutes, or rules occur. Macon County: Page 3 of 6 October 19, 2005 4. No Sediment & Erosion Control Measures w/n Wetlands or Waters Sediment and erosion control measures shall not be placed in wetlands or waters to the maximum extent practicable. If placement of sediment and erosion control devices in wetlands and waters is unavoidable, they shall be removed and the natural grade restored within six months of the date that the Division of Land Resources has released the project. 5. Certificate of Completion Upon completion of all work approved within the 401 Water Quality Certification or applicable Buffer Rules, and any subsequent modifications, the applicant is required to return the attached certificate of completion to the 401/Wetlands Unit, North Carolina Division of Water Quality, 1650 Mail Service Center, Raleigh, NC, 27699-1650. 6. Construction in this creek and disturbance within a 25-foot trout buffer should be avoided during the October 15 to April 15 trout spawning period to avoid adverse effects of sediment on eggs and larvae, where applicable. However, Wildlife Resources Commission will not object to construction of Natural Resources Conservation Service "urgent and compelling" sites during the spawning period provided these projects are, to the extent appropriate and practical, constructed by: (1) using flow diversion structures such as sand bags, (2) placing large-sized rock toes and filter cloth backing for stabilization sites before backfilling, and (3) excavating new channel alignments in dry areas. Construction at the other non- "urgent and compelling" sites should not occur during the spawning period to minimize the potential adverse effects of multiple construction activities on trout resources in this creek. 7. Sediment and erosion control measures must be implemented prior to construction and maintained on the sites to minimize sediment in downstream areas. Seeding for a temporary cover of wheat, millet, or similar annual grain or permanent herbaceous cover should occur on all bare soil within five (5) days of ground disturbing activities to provide long-term erosion control. The projects should be accomplished in stages instead of leaving large tracts exposed to further storm events. Erosion control matting should be used in conjunction with appropriate seeding on disturbed soils in steep slope and. riparian areas. Matting should be secured in place with staples, stakes, or, wherever possible, live stakes of native trees. Straw mulch and tall fescue should not be used in riparian areas. In addition, because of an anticipated difficulty in establishing ground cover during the winter, reseeding should be conducted, as necessary, in the spring-time with a native annual and perennial seed mix with a temporary nursery crop of wheat, millet or other grain. Macon County: Page 4 of 6 October 19, 2005 8. Only clean, large, angular rock, large woody material, or other natural stream design materials and techniques should be used for bank stabilization. Rock should not be placed in the stream channel in a manner that constricts stream flow or that will impede aquatic life movements during low flow conditions. Filter cloth should be placed behind large rock that is used for bank stabilization. Properly designed rock vanes should be constructed wherever appropriate on bank stabilization and channel realignment stream reaches to improve channel stability and to improve aquatic habitat. Root wads should be installed low enough in the bank so that a significant portion (at least one-third) the root wad is inundated during normal flows. 9. The channel should be restored to a more stable condition. However, under no circumstances should river rock, sand or other materials be dredged from the stream channel under authorization of this permit except, if necessary, in the immediate vicinity of the eroding banks for the explicit purpose of anchoring stabilizing or flow/grade control structures or for reestablishing the natural and more stable stream channel dimensions. Stream bed materials are unstable in flowing-water situations and are unsuitable for bank stabilization. In stream dredging has catastrophic effects on aquatic life and disturbance of the natural form of the stream channel can cause downstream erosion problems. The natural dimension, pattern, and profile of the stream upstream and downstream of the permitted area should not be modified by widening the stream channel or changing its depth. 10. Stabilization measures should only be applied on or near existing erosion sites, leaving other stable stream bank areas in a natural condition. Grading and backfilling should be minimized and tree and shrub growth should be retained where possible to ensure long term availability of stream bank cover for aquatic life and wildlife. Backfill materials should be obtained from upland sites except in cases where excess stream bed materials are available. Berms should not be permitted because they block the floodplain, constrict and accelerate flood flows, and often fail and sometimes impede drainage during large flood events. 11. Repairs to eroded banks should be conducted in a dry work area where possible. Sandbags or other clean diversion structures should be used where possible to minimize excavation in flowing water. Channel realignments should be constructed by excavating the new channel from downstream to upstream before connecting it to the old channel. 12. Heavy equipment should be operated from the bank whenever possible. All mechanized equipment operated near surface waters should be inspected and maintained regularly to prevent contamination of stream waters from fuels, lubricants, hydraulic fluids or other toxic materials. Equipment used in stream channel must be clean, new or low hour equipment. 13. Disturbed stream banks and a 25-foot vegetated zone, or the widest width that is practical under the site conditions, should be restored where possible along the construction sites to natural riparian conditions with native trees and shrubs (e.g., silky dogwood, rhododendron, dog hobble, red maple, silky willow, tag alder, black willow, sycamore) to provide long-term bank stability and stream shading. Note, silky dogwood, silky willow and black willow can be planted as live stakes collected during the dormant growing season. Cuttings should be randomly planted on four (4) foot centers from the waters edge to the top of the bank. Trees should be planted on ten (10) to twelve (12) foot centers. Stream banks in these areas should also be Macon County: Page 5 of 6 October 19, 2005 seeded with a native annual and perennial seed mix with a temporary nursery crop of wheat, millet or other grain. 14. If pasture along the stream is to be used for grazing, a fence must be constructed outside of the riparian zone and the stream to prevent livestock from entering these areas. 15. Diffuse Flow All constructed stormwater conveyance outlets shall be directed and maintained as diffuse flow at non-erosive velocities through the protected riparian zones such that it will not re-concentrate before discharging into a stream. If this is not possible, it may be necessary to provide stormwater facilities that are considered to remove nitrogen. This may require additional approval from this Office. 16. Riparian Zone Replanting Replanting of vegetation within disturbed areas located within 25 feet of the streambank associated with any land disturbing activity, repair, replacement and/or maintenance must be done in a manner consistant with the Guidelines for Riparian Buffer Restoration immediately following construction. (Please see attached.) 17. Deed Notifications Deed notifications or similar mechanisms shall be placed on all retained jurisdictional wetlands, waters and protective woody riparian zones in order to assure compliance for future wetland, water and buffer impact. These mechanisms shall be put in place prior to impacting any wetlands, waters and/or buffers approved for impact under this Certification Approval and Authorization Certificate. A sample deed notification can be downloaded from the 401/Wetlands Unit web site at http://h2o.enr.state.nc.us/ncwetiands. The text of the sample deed notification may be modified as appropriate to suit to this project. 18. Turbidity Standard The turbidity standard of 10 NTUs (Nephelometric Turbidity Units) shall not be exceeded as described in 15 A NCAC 2B. .0200. Appropriate sediment and erosion control practices must be used to meet this standard. 19. No Sediment and Erosion Control Measures in Wetlands Sediment and erosion control measures shall not be placed in wetlands or waters to the maximum extent practicable. If placement of sediment and erosion control devices in wetlands and waters is unavoidable, they shall be removed and the natural grade restored within six months of the date that the Division of Land Resources or locally delegated program has released the project. Macon County: Page 6 of 6 October 19, 2005 Violations of any condition herein set forth may result in revocation of this Certification and may result in criminal and/or civil penalties. The authorization to proceed with your proposed impacts or to conduct impacts to waters as depicted in your application and as authorized by this Certification, shall expire upon expiration of the 404 or CAMA Permit. If you do not accept any of the conditions of this Certification (associated with the approved wetland or stream impacts), you may ask for an adjudicatory hearing. You must act within 60 days of the date that you receive this letter. To ask for a hearing, send a written petition, which conforms to Chapter 150B of the North Carolina General Statutes to the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, N.C. 27699-6714. This certification and its conditions are final and binding unless you ask for a hearing. This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water Act. If you have any questions, please telephone Cyndi Karoly in the Central Office in Raleigh at 919-733-9721 or Mr. Kevin Barnett in the DWQ Asheville Regional Office at 828-296-4657. Sincerely, Alan W. Klimek, P.E., Director Division of Water Quality AW K/khb Enclosures: GC 3367 Certificate of Completion Guidelines for Riparian Buffer Restoration cc: Jennifer Ballard, McGill Associates, P.A. Post Office Box 2259 Asheville, NC 28802 USACE Asheville Regulatory Field Office DWQ 401 Central Office DLR Asheville Regional Office File Copy Central Files Filename: 05-1812.EWP.PeeksCreek.Approval D5-1g?2 • A S S O C I A T E S October 10, 2005 Mr. David Baker, Asheville Regulatory Field Office Chief Asheville Regulatory Field Office US Army Corps of Engineers 151 Patton Avenue Room 208 Asheville, NC 28801-5006 Ms. Cyndi Karoly, Supervisor 401 Oversight and Express Permits Unit 1650 Mail Service Center Mail Service Center Raleigh, NC 27699-1650 ?Q Q1? .O "Rol Re: 404/401 Permit Application for the Emergency Watershed Protection (EWP) Project - Peeks Creek Site (Revised) Macon County, North Carolina Dear Mr. Baker and Ms. Karoly: Attached please find the revised 404/401 permit application for the Emergency Watershed Protection (EWP) Project - Peeks Creek Site in Macon County. The revisions to the enclosed Stream Repairs & Bank Stabilization Plan was completed after a site visit on October 5, 2005, with Kevin Barnett from the Asheville Office of the NC DENR Division of Water Quality, David Baker from the Asheville Office of the U.S. Army Corps of Engineers, David McHenry from the North Carolina Wildlife Resources Commission, Mark Cantrell of the U.S. Fish and Wildlife Services, Alan Walker from the Franklin Office of the National Resources Conservation Resources, and representatives from Fish and Wildlife Associates, McGill Associates, Macon County and Phillips and Jordan. During this site visit, all parties agreed upon the proposed repairs and repair methods which are incorporated into the enclosed revised Stream Repairs & Bank Stabilization Plan, which is part of the 404/401 permit application. These changes were influenced by the North Carolina Trout Moratorium, which goes into affect on October 15`''. Only three repair sections at the Peeks Creek Site require 404/401 approval. However, for clarification purposes, the Stream Repairs & Bank Stabilization Plan includes all ten proposed repair sections. E n g i n e e r i n g • P l a n n i n g F i n a n c e McGill Associates, P.A. P.O. Box 2259, Asheville, NC 28802 55 Broad Street, Asheville, NC 28801 828-252-0575 • FAX 828-252-2518 Mr. David Baker and Ms. Cyndi Karoly October 10, 2005 Page 2 of 3 The Peeks Creek Site is a critical EWP site and is located on Peeks Creek. We have carefully developed this application and have considered all potential impacts of this work. It is important that the construction for this urgent stream repair work be conducted as soon as possible. We look forward to quick regulatory action and approval of this repair plan so this important work can be accomplished. With the hurricane season for the east coast of the United States upon us again, Macon County, and all those areas affected by the devastating hurricanes and tropical storms from 2004, are reminded that getting the damaged stream areas repaired is an essential objective in trying to minimize future environmental and property damage impacts from this still damaged site. We have made every effort to effectively address each and every concern related to this repair work and the need to protect this area's water resources. Frankly, we believe that the ongoing water quality impact of this damaged and exposed stream bank area represents a great threat to downstream waters and to the wildlife habitat, not to mention the hazard it represents to property near the site. We believe that the repair plan developed for this site is comprehensive and represents well thought-through consideration of the existing water quality problems and will result in effective management of any "short term" impacts during the construction phase. We are looking forward to being able to proceed with this work as soon as possible. Please let myself or Mark Cathey, of our office, know of any issues or consideration that needs to be addressed to secure approval for this planned work. In accordance with the contact we've made with North Carolina Department of Environment and Natural Resource's regional 401 contact, Mr. Kevin Barnett, we have submitted directly to him his copy of this repair plan and application. We also sent a copy directly to Mr. David McHenry of the North Carolina Wildlife Resource Commission and Mr. Brian Cole of the United States Fish & Wildlife Service. In addition, since North Carolina has "waived" fees for these EWP 401s, we have not included any permit fees. Thank you for your attention to these applications. Sincerely, McGILL ASSOCIATES, P.A. , V. 94 V &4 - 4 JENNIFER J BALLARD, P.E. STREAM REPAIRS & BANK STABILIZATION PLAN FOR Peeks Creek Site Macon County, North Carolina MOO ?s SEAL `O ® 24993 "f+Ydtld... Prepared by: McGill ASSOCIATES Prepared for MACON COUNTY October 2005 In conjunction with: L -1 Fish and Wildlife Associates, Inc. I Peeks Creek - Stream Repairs & Bank Stabilization Plan October 2005 Macon County McGill Associates, P.A. 1. PROJECT PURPOSE & DESCRIPTION The purpose of this project is to stabilize and/or repair eroded and unstable stream banks and the associated riparian area along Peeks Creek that were impacted by flood flows ' from Hurricanes Frances and Ivan in September of 2004 as well as a landslide resulting from the flood flows. Peeks Creek experienced a devastating landslide during the 2004 ' flooding that destroyed several houses and caused much personal property damage. Unfortunately, the landslide also caused loss of life as well as several serious injuries to the residents living along Peeks Creek. The slide denuded the entire riparian area for several thousand feet along the general direction of Peeks Creek and destroyed the State- maintained road that was near the streambed as well as several houses. The severely eroded stream banks consist of exposed soil and rock on moderate to steep slopes, which, ' if transported during another high flow event, could block downstream culverts and bridges as well as cause increased erosion that could potentially threaten property and structures located along Peeks Creek. As desired by the landowners and charged to us by ' Macon County, North Carolina, the proposed design is intended to construct a stabilized stream bank. The instability of this section of Peeks Creek will remain a threat to the environmental recovery of the stream as well as to the property and roadway located along the stream if careful, quick repairs are not performed soon. The work described in this Stream Repair and Bank Stabilization Plan (Repair Plan) is ' urgent and compelling work under the National Resource Conservation Service (NRCS) Emergency Watershed Protection (EWP) program to protect existing property and structures. MRCS is the funding agency and Macon County / Macon Soil and Water ' Conservation District (SWCD) is the sponsor and responsible party for the project. Work will consist of repair and stabilization effort only, and is not considered natural channel restoration or enhancement work. However, some methods and approaches utilized in ' the proposed repairs are routinely applied in natural channel design efforts due to their ability to protect channel banks from shear stresses and the resultant erosion and damage. 7 All work in or near surface waters will be supervised by trained personnel from both McGill Associates and Fish and Wildlife Associates (FWS). This site is one of three sites selected for repair within Macon County. 2. SITE DESCRIPTION DSR #2 - Peeks Creek - Peeks Creek (C, Tr) - The repair site is approximately 2,130 feet in length and is located along Peeks Creek in Macon County, NC. This area is located adjacent to Peeks Creek Road. Please refer to the Construction Drawings for photographs, mapping, imagery, and details of existing site conditions. The original repair plan included an additional 1,345 linear feet of stream bank and streambed repair that has been removed from this plan. Thus, the stations on the Construction Drawings start at 22+00 instead of 10+00. 2 Peeks Creek - Stream Repairs & Bank Stabilization Plan October 2005 Macon County McGill Associates, P.A. Approximately 2,130 feet of both channel banks were severely damaged through bank ' erosion, soil loss and debris movement. The banks are referenced as descending when facing downstream and ascending when facing upstream. ' The repair sections are located off Peeks Creek Road and access to the repair areas will not be an issue. Utilities will be located and marked by the contractor prior to construction. The disturbed area for the proposed repair and stabilization exceeds one ' acre. Therefore, Macon County secured an Erosion Control Permit from the North Carolina Division of Environment and Natural Resources (NCDENR) Division of Land Quality. The work proposed for three of the proposed ten repairs at the Peeks Creek site ' will have to be permitted by the U.S. Army Corps of Engineers (Section 404 permit) and also the N.C. Department of Environment and Natural Resources, Division of Water Quality (Section 401 Water Quality Certification). The repair sections that must be ' permitted are Repair Section 1, 6 and 9. All the other repair sections are out of the jurisdictional area for a 401/404 permit. 3. REPAIR OBJECTIVES AND DESIGN CONSIDERATIONS Despite the extensive damage experienced along Peeks Creek and to its banks Peeks Creek has re-established a "working" stream channel. The streambed in many locations has encountered bedrock and Peeks Creek has worked its way through the huge boulders and large rock that are located in the channel. However, in several areas the re- established stream channel is unstable and subject to "shifting" in response to even small increased stream flow events such as an "annual" storm. This shifting activity will ' greatly increase the potential for stream bank and streambed erosion as well as and structures that are located along Peeks Creek, including the ro ert i d p y ng p anger en North Carolina Division of Transportation (NC DOT) roadway itself. Additionally, there are many areas where unconsolidated weathered rock and soil are in danger of being ' washed into the stream. The instability of this section of Peeks Creek will remain a threat to the environmental recovery of the stream as well as to the property and roadway located along the stream, without proper repairs being implemented. The EWP work k b ili h ' an s e stream ze t proposed for this site will utilize sound engineering practices to stab in this area. EWP guidelines will be followed in developing and constructing/installing these stream repairs. The most basic principle of the EAT work is to attempt to restore ' the site to "pre-flood conditions." Under more common examples of EWP related sites, the "pre-flood" conditions are easier to define. For Peeks Creek, the slide has essentially reconfigured the entire streambed and the riparian area associated with the previous ' waterway. Therefore, every effort will be made to stabilize the streambed and riparian area associated with the current stream configuration, consistent with the character of this type and size of stream located in the mountains of Macon County. Interviews with residents of Peeks Creek have also provided some insight as to the original stream configuration. ' In several of the stream segments to be repaired, Peeks Creek's current alignment is threatening unprotected bank areas and/or the NC DOT roadway. Due to the North ' Carolina Trout Moratorium, which begins October 15th, the proposed repair effort will I ' Peeks Creek - Stream Repairs & Bank Stabilization Plan October 2005 Macon County McGill Associates, P.A. not include any stream realignment or in-stream structures except for the reconstruction of the tributary channel on Repair Section 1 and the toe stabilization that is part of Repair Section 9. Repair Section 9 will be the first site repaired and the flowing water will be diverted from the area of excavation using sandbags. Repair Section 1 will be the next ' repair site, and the tributary flow will be bypassed from the area of excavation. Residual rock material along Peeks Creek will be used for stream bank toe stabilization in ' the areas indicated. The use of large boulder material will be the primary method of protecting the stream banks because of the materials' ability to resist storm flow forces and velocities. Plantings are specified in accordance with typical native streamside vegetation of this region. As noted, the slide removed the vegetation and most of the streamside soil that was a part of the Peeks Creek riparian area, leaving a boulder and rock-strewn area along both sides of the stream. In order to increase the success of plantings for this repair, placement of appropriate soil material will be needed. Every effort will be made during the installation and the construction process to reduce sedimentation and erosion and to provide a stable stream channel and bank repair that will allow the new plantings to take hold and further strengthen the underlying soil and rock structures placed in and along the ' Peeks Creek stream system. Along much of the repair section, the State-maintained road runs along the Peeks Creek ' corridor. In some areas, Peeks Creek is less than five feet from the road edge. Where approved by the North Carolina Wildlife Resource Commission at the October 5, 2005 meeting, the stream bank along the road will be stabilized using boulder toe stabilization. ' As storm events continue to impact this stream and the land along Peeks Creek, the objective of these repairs is to provide protection of the property and resources along the ' stream. The Contractor will carefully manage fuel and lubrication materials for construction equipment to prevent any loss to the stream and any impact to the surrounding areas. Stream crossings with equipment will be minimized and used only when access limitations require a crossing. ' 4. TYPICAL REPAIR DETAILS AND OPTIONS The Proposed Repair Plan is designed to repair and stabilize the banks along Peeks Creek ' and is not considered natural channel restoration or enhancement work. However, some methods and approaches utilized in the proposed repairs are routinely applied in natural channel design efforts due to their ability to protect channel banks from shear stresses and the resultant erosion. Due to previous alterations of the channel, including but not limited to the landslide of 2004, bridge construction, and bank grading, the channel banks in relation to original widths and slopes have been modified considerably. This has made the identification of the "natural" condition of the channel very difficult. ' Peeks Creek - Stream Repairs & Bank Stabilization Plan October 2005 Macon County McGill Associates, P.A. For comparison purposes, we attempted to confirm our channel bank location by ' comparing the resultant "channel width" to available Regional Curve data. Based on a review of site data (upstream and/or downstream) and our estimated "channel bank" location, we estimated the pre-disturbance "channel width" at approximately 20 feet. We ' compared this "channel width" to estimated bankfull width as determined from available (preliminary) mountain Regional Curve data (SRI) for the appropriate drainage area. The regional curve indicates a bankfull width of approximately 30 feet based on a drainage area of 3 square miles. Based on this comparison, it is our opinion that the estimated pre- disturbance "channel location" is appropriate. ' As shown on the attached repair plans and design details, we recommend that the repaired slopes be reconstructed and backfilled with excavated deposited material recovered from the floodplain, available on-site or off-site earth fill, and in some cases imported stone aggregate. The location of the toe of the repaired slope will be field determined to allow for the development of a typical repair application along the reach. However, there will be no excavation in the streambed except for the placement of the toe ' stabilization on Repair Section 9. All other repaired slopes will be performed above the bankfull location. Our Repair Plan calls for the incorporation of a typical bank repair and toe stabilization. I Stream Bank Repair ' The typical Stream Bank Repair will divide the stream bank to be repaired into three bank zones, Upper, Mid-, and Lower for slope, stabilization measures, and planting recommendations. The bank zones tie into each other as depicted on the Repair Plan for each type of repair. The Lower Bank Zone of the repairs will not be disturbed as this zone is within the ' "active channel except for where indicated on the plans. Live stake planting and seeding will occur where necessary to stabilize the stream bank. The Mid-Bank Zone should be graded as shown on the Drawings using varying fill materials including both site borrow and other suitable borrow sources. Benches constructed in the Mid-Bank Zone are also bankfull benches. Since this zone is located out of the "active channel", it should be lined with excelsior (wood fiber) erosion control matting (or equivalent) and planted with the select shrubs and trees of the species and ' density described in the planting details. This zone should also be over seeded with erosion control grasses and native vegetation. ' The Upper Bank Zone should also be graded as shown in the Repair Plan details for each Repair Type and use varying fill materials so that it blends the Mid-Bank Zone with the surrounding floodplain grade or proposed tie-in location. This zone should be lined with excelsior (wood fiber) erosion control matting (or equivalent) and planted with select tree 1 and shrub species at the density described in the planting detail as well as over seeded with erosion control grasses and natural vegetation. ' Peeks Creek - Stream Repairs & Bank Stabilization Plan October 2005 Macon County McGill Associates, P.A. Toe Stabilization ' Toe stabilization is recommended in a portion of Repair Section 9 to protect the NC DOT roadway. The landward side of the toe stabilization will be lined with a non-woven fabric and backfilled with coarse aggregate to, improve stability and reduce the potential for piping. ' The height of the toe stabilization is depicted on the Proposed Repair Plan of the Construction Drawings. In general, it will be 2-3 boulders high, depending on the stream bank conditions. Bank Planting A riparian buffer area will be established along the repaired channel bank as part of the proposed Repair Plan. The riparian zone will include all three Bank Zones (Lower, Mid-, and Upper). These areas will be seeded and planted with the appropriate native riparian vegetation and will provide channel stability and treatment of surface waters traveling laterally through the buffer. Species will consist primarily of native trees, shrubs and vegetation. The repaired bank will be planted with the appropriate channel bank species in the form of live stakes, bare- root seedlings, seeds, and transplants where available. Native trees and shrubs that are ' available elsewhere on-site will be removed with as much of the root ball intact and transplanted adjacent to the restored channel or in the floodplain. The majority of the planting efforts (with the exception of live stakes) should be performed in the fall season to increase survivability. Vegetation will be supplied by locally identified plant sources or purchased from local, reputable nurseries. ' Other sources, outside of the local area, may be used depending on the availability of plant material and as approved by the designer. Tree species individuals will be planted randomly at a 10 ft. by 10 ft. spacing. The ' planting plan will include a minimum of five of the eight tree species listed in the planting schedule. The preferred species that should be used on this project shall be Sweet Birch (Betula lenta), Red Maple (Acer rubrum), and River Birch (Betula nigra). ' Plants shall be installed as shown in the planting details. I I n Shrub species will be planted at a lower density and farther spacing (12 ft. by 12 ft.). The planting plan will include a minimum of three of the six shrubs listed in the planting schedule. Highland Doghobble (Leucothoe fontanesiana) and Rhododendron (Rhododendron maximum) shall be planned in shaded to partial sun areas only. Live stakes are specified and will be planted where possible on a spacing of 4 ft. (along bank) by 3ft. (width) consisting of Silky Dogwood. Live stakes will be cut and installed as shown in the planting details. The live stake planting will be performed in the spring of 2006 to increase survivability. 6 Peeks Creek - Stream Repairs & Bank Stabilization Plan October 2005 Macon County McGill Associates, P.A. A representative of McGill Associates or FWA will be on site to observe and direct ' planting efforts associated with the buffer restoration. The designer must approve substitution of tree, shrub, and live stake species in advance. C u I? Temporary and/or permanent seeding measures (German millet, rye grass, or the most appropriate erosion control grass as dictated by the season or region) will be applied to areas disturbed during grading operations to allow for localized stabilization while riparian species establish themselves. Two (2) seed mixtures will also be applied to this project. In the Lower Bank Zone, the following native species herbaceous seeding mixture should be planted: Scarlet Beebalm (Monarda didyma), Jewelweed (Impatiens capensis), Elderberry (Sambucus Canadensis), Common Rush (Juncus effuses), Forget- me-not (Myosotis scorpioides), and Sedge (Carex sp.). In the Mid-Bank and Upper Bank Zones, the following native species herbaceous seeding mixture should be planted: Queen Anne's lace (Daucus carota), Red Clover (Trifolium pratense), Narrowleaf Plantain (Plantago lanceolata), Clasping Venus' Looking-glass (Specularia perfoliata), Common Plantain (Plantago major), and native grasses. 5. PROPOSED REPAIR PLAN There are ten (10) proposed repair sections along Peeks Creek. The Construction Drawings include pictures that help describe some of the repairs that are part of this Proposed Repair Plan. Please refer to these pictures when reading the repair descriptions. The proposed repairs for these sections are as follows: Repair 1 (R 1) Restore the normal width channel for the entering tributary at Station 23+45 on the left descending bank. Bypass flow from the area while the tributary channel is being constructed. Repair 2 (R 2) This section is approximately 65 feet long. On the right descending bank (typically between the two existing large boulders), remove the little rocks behind the boulders and replace them with large boulders. Repair the bank using the typical detail located in the Construction Drawings, place matting on the bank and install vegetation. Level the rock pile on the left descending bank. There will be no in-stream excavation. Repair 3 (R_3) This section is approximately 290 feet long. Slope the right descending bank to make a floodplain bench approximately 20' wide. Install matting and vegetation on the slope. Fill in the overflow channel using material excavated during construction of the bank repair. Due to groundwater inflow from Station 25+60 to 26+60, a French drain as shown in the Construction Drawings will be installed along the overflow channel. The 7 Peeks Creek - Stream Repairs & Bank Stabilization Plan October 2005 Macon County McGill Associates, P.A. French drain will daylight at Station 26+60 to carry the flow from a spring and the pipe ' on the right. There will be no in-stream excavation. Repair 4 (R 4) t This section is approximately 25 feet long. Slope the left descending bank. Place matting on the bank and install vegetation. There will be no in-stream excavation. Repair 5 (R 5) ' This section is approximately 50 feet long. Slope the right descending bank from the bankfull level from Station 31+10 to 31+60, place matting on the slope and install vegetation. There will be no in-stream excavation. ' Repair 6 (R 6) a, ' This section is approximately 104 feet long. Place 15' of boulders on the edge of the left descending bank downstream of the 24" CMP. Slope the bank back from the bankfull level on the right descending bank from Station 36+20 - 37+24. Place matting on the ' bank and install vegetation. There will be no in-stream excavation. n fl Repair 7 (R 7) This section is approximately 60 feet long. Slope the bank back from the bankfull level on the right descending bank from Station 37+95 - 38+55. Place matting on the bank and install vegetation. There will be no in-stream excavation. Repair 8 (R 8) This section is approximately 128 feet long. Slope the bank back from the bankfull level on the right descending bank from Station 41+00 - 42+28. Place matting on the bank and install vegetation. Build up the left descending bank using the material removed from the other bank and install vegetation. There will be no in-stream excavation. Repair 9 (R 9) This section is approximately 360 feet long. Install a high flow channel to the right of the current streambed. Place toe stabilization from Station 43+23 - 44+30 on the left descending bank. Bypass the flow from the area where the toe stabilization will be installed. Slope the bank back from the bankfull level on the right descending bank from Station 43+00 - 44+30. Place matting on the bank and install vegetation. Build up the left descending bank using the material removed from the other bank and install vegetation. 8 ' Peeks Creek - Stream Repairs & Bank Stabilization Plan October 2005 Macon County McGill Associates, P.A. ' Repair 10 (R 10) At Section 44+75, remove the end portion of the concrete pad and metal immediately ' downstream. Leave all other debris in the left bank. There will be no in-stream excavation. Construction Drawings for the proposed Stream Repair and Bank Stabilization Plan including the proposed repairs, a construction sequence, structure details, erosion and sediment control details, and a planting schedule and details are attached. Technical ' Specifications are also attached. ' 6. REGULATORY REQUIREMENTS 401 WATER QUALITY CERTIFICATION (Mandatory Requirement based on expected ' Certification conditions) - The following mandatory conditions apply to all repair sites: 1. Erosion & Sediment Control Practices a. The erosion and sediment control measures for the project must be designed, installed, operated, and maintained in accordance with the ' most recent version of the North Carolina Sediment and Erosion Control Planning and Design Manual. b. The design, installation, operation, and maintenance of the sediment and erosion control measures must be such that they equal, or exceed, the requirements specified in the most recent version of the North ' Carolina Sediment and Erosion Control Manual. The devices shall be maintained on all construction sites, borrow sites, and waste pile (spoil) projects, including contractor-owned or leased borrow pits ' associated with the project. c. For borrow pit sites, the erosion and sediment control measures must be designed, installed, operated, and maintained in accordance with the most recent version of the North Carolina Surface Mining Manual. d. The reclamation measures and implementation must comply with the reclamation in accordance with the requirements of the Sedimentation Pollution Control Act. 2. No Waste, Spoil, Solids, or Fill of Any Kind - No waste, spoil, solids, or fill of any kind shall occur in wetlands, waters, or riparian areas beyond the footprint of the impacts depicted in the Pre-Construction Notification. All construction activities, including the design, installation, operation, and maintenance of 9 ' Peeks Creek - Stream Repairs & Bank Stabilization Plan October 2005 Macon County McGill Associates, P.A. sediment and,erosion control Best Management Practices, shall be performed so ' that no violations of state water quality standards, statutes, or rules occur. 3. No Sediment & Erosion Control Measures w/n Wetlands or Waters - ' Sediment and erosion control measures shall not be placed in wetlands or waters to the maximum extent practicable. If placement of sediment and erosion control devices in wetlands and waters is unavoidable, they shall be ' removed and the natural grade restored within six months of the date that the Division of Land Resources has released the project. 4. Certificate of Completion - Upon completion of all work approved within the 401 Water Quality Certification or applicable Buffer Rules, and any subsequent modifications, the applicant is required to return the attached certificate of ' completion to the 401/Wetlands Unit, North Carolina Division of Water Quality, 1650 Mail Service Center, Raleigh, NC, 27699-1650. ' 5. Sediment and erosion control measures must be implemented prior to construction and maintained on the sites to minimize sediment in downstream areas. Seeding for a temporary cover of wheat, millet, or similar annual grain or ' permanent herbaceous cover should occur on all bare soil within five (5) days of ground disturbing activities to provide long-term erosion control. The projects should be accomplished in stages instead of leaving large tracts exposed to ' further storm events. Erosion control matting should be used in conjunction with appropriate seeding on disturbed soils in steep slope and riparian areas, unless authorized under Division of Land Resources Erosion and Sediment ' Control approval. Matting should be secured in place with staples, stakes, or, wherever possible, live stakes of native trees. Straw mulch and tall fescue should not be used in riparian areas. 6. Only clean, large, angular rock, large woody material, or other natural stream design materials and techniques should be used for bank stabilization. Rock ' should not be placed in the stream channel in a manner that constricts stream flow or that will impede aquatic life movements during low flow conditions. Filter cloth should be placed behind large rock that is used for bank stabilization. Properly designed rock vanes should be constructed wherever appropriate on bank stabilization and channel realignment stream reaches to improve channel stability and to improve aquatic habitat. Root wads should be ' installed low enough in the bank so that a significant portion (at least one-third) the root wad is inundated during normal flows. ' 7. The channel must be restored to a more stable condition. However, under no circumstances should river rock, sand or other materials be dredged from the ' stream channel under authorization of this permit except, if necessary, in the immediate vicinity of the eroding banks for the explicit purpose of anchoring stabilizing or flow/grade control structures or for reestablishing the natural and more stable stream channel dimensions. Streambed materials are unstable in 10 ' Peeks Creek - Stream Repairs & Bank Stabilization Plan October 2005 Macon County McGill Associates, P.A. flowing-water situations and are unsuitable for bank stabilization. Stream ' dredging has catastrophic effects on aquatic life and disturbance of the natural form of the stream channel can cause downstream erosion problems. The natural dimension, pattern, and profile of the stream upstream and downstream of the permitted area should not be modified by widening the stream channel or changing its depth. 8. Stabilization measures should only be applied on or near existing erosion sites, leaving other stable stream bank areas in a natural condition. Grading and backfilling should be minimized and tree and shrub growth should be retained ' where possible to ensure long-term availability of stream bank cover for aquatic life and wildlife. Backfill materials should be obtained from upland sites except in cases where excess streambed materials are available. Berms are not permitted because they block the floodplain, constrict and accelerate flood flows, and often fail or impede drainage during large flood events. 9. Repairs to eroded banks should be conducted in a dry work area where possible. Sandbags or other clean diversion structures should be used where possible to minimize excavation in flowing water. Channel realignments s?ould be ' constructed by excavating the new channel from downstream to upstream before connecting it to the old channel. 10. Heavy equipment should be operated from the bank whenever possible. All mechanized equipment operated near surface waters should be inspected and maintained regularly to prevent contamination of stream waters from fuels, lubricants, hydraulic fluids or other toxic materials. Equipment used in stream channel must be clean, new or low-hour equipment. 11. As long-term stream stability is a concern with this type of work, it is strongly recommended that woody vegetation be established along stream banks where possible. Any riparian vegetation planting should be performed in accordance with the Guidelines for Riparian Buffer Restoration. fhttD://h2o enr.state.nc.us/wM/pdf/buffers.pdf ) ' 12. Monitoring - The Permittee shall examine the stabilization work done under this Certification on an annual basis for three (3) years following the completion of the restoration efforts. This field evaluation should note the ' condition and stability of the measures installed and how well the repair is holding up. A written report must be provided to DWQ's Asheville Regional Office by June I" of each year. The report must describe inspection results, ' include digital photographs, list the date of inspection, and describe any needed repairs or corrections. ' 13. The Permittee will provide on-site supervision of stability work including, but not limited to bank re-sloping, in-stream structure placement, and riparian 1 zone re-establishment by an appropriately trained individual. 1 11 ' Peeks Creek - Stream Repairs & Bank Stabilization Plan October 2005 Macon County McGill Associates, P.A. 14. If pasture along the stream is to be used for grazing, the Permittee must inform the appropriate landowners that cattle should be prohibited from damaging'riparian areas and from de-stabilizing the stream banks and channel. ' 15. Diffuse Flow - All constructed storm water conveyance outlets shall be directed and maintained as diffuse flow at non-erosive velocities through the protected riparian zones such that it will not re-concentrate before discharging ' into a stream: 16. Water Quality Certification Notifications - The Permittee must provide a copy of this issued Water Quality Certification and attached cover letter to each property owner where the approved work will be performed. 17. Turbidity Standard - The turbidity standard (Nephelometric Turbidity Units) t shall not be exceeded as described in 15A NCAC 2B .0200. Appropriate sediment and erosion control practices must be used to meet this standard. Finally, pending receipt of a final 404 Permit and 401 Certification, copies of these issued documents and the associated conditions and comments provided by commenting agencies (when available) will be included in 'all final contractor packages that will be ' used for construction of the repairs. All regulatory requirements and the measures outlined in this document will be fully discussed with the chosen contractor and the inspectors for McGill Associates and FWA before any construction begins. During actual construction, inspectors will direct contractors to observe and apply good construction practices and the requirements described in this document. P?' I I 1 12 O O a O M LO N O N L O R O L J L r O E O L t J O V LO O r LL IT O M N T- O O O O O (}}) U0I}EA9I:1 O co rl- 00 co OD D H I I C r v i (U - o ? IT O IT LO M O C) L O N O J N?L Li.. N O L }a LO O T" LO O o 0 m Cl 0) 0) N OD (11) U0116IA81:1 N M U. II ,v 9 0 Iq O v LO M O C') rn N J L E O E N ? vL- 'O 7 r O r LO O 9 LO O ICT O ce) (1j) U0118A813 T O 0 O 00 a? d U 0 CL c 0 N 0 m .c L W C N N 0 U N a 0 a. M LL TECHNICAL SPECIFICATIONS FOR MACON COUNTY EWP PEEKS CREEK SITE STREAM REPAIRS & BANK STABILIZATION PROJECTS OCTOBER 2005 ,%u+n CA Prepared for: Macon County, NC I fin. - A EAL. 1C) S 24993 ?'??FFFI D. C TECHNICAL SPECIFICATIONS TABLE OF CONTENTS I TITLE PAGE TABLE OF CONTENTS SECTION 1 - GENERAL REQUIREMENTS I 1.1 SECTION INCLUDES I 1.2 SUMMARY OF WORK 1 ' 1.3 WORKFORCE EXPERIENCE 1 1.4 SPECIFIC EQUIPMENT REQUIREMENTS I 1.5 MEASUREMENT AND PAYMENT I EMPORARY FACILITIES 1 SECTION 2 - T 2.1 2.2 SECTION INCLUDES MEASUREMENT AND PAYMENT 1 1 2.3 TEMPORARY SANITARY FACILITIES 1 2.4 BARRIERS 1 2.5 TRAFFIC CONTROL 1 2.6 STAGING AREA 1 ig.7 COORDINATION WITH OWNER AND OTHER CONTRACTORS 2 2.8 PROTECTION OF EXISTING FACILITIES, STRUCTURES, AND SERVICES 2 2.9 PROTECTION OF INSTALLED WORK 2 2.10 PROGRESS CLEANING & WASTE REMOVAL 2 2.11 EROSION CONTROL 2 ' 2.12 FINAL CLEANING 2 SECTION 3 - QUALITY CONTROL 3 r 3.1 SECTION INCLUDES 3 3.2 MEASUREMENT AND PAYMENT 3 3.3 REFERENCES 3 ' 3.4 CONSTRUCTION OBSERVATION 3 3.5 PLANTING OBSERVATION 3 SECTION 4 - SITE PREPARATION 4 4.1 SECTION INCLUDES 4 4.2 MEASUREMENT AND PAYMENT 4 4.3 UTILITY LOCATION AND PROTECTION 4 ' 4.4 SEDIMENTATION AND EROSION CONTROL 4 4.5 CONSTRUCTION LAYOUT 4 4.6 CLEARING, GRUBBING, AND STRIPPING 4 4.7 DEWATERING 4 SECTION 5 - EXCAVATION 5 5.1 SECTION INCLUDES 5 5.2 MEASUREMENT AND PAYMENT 5 5.3 REFERENCES 5 5.4 PREPARATION 5 5.5 EXCAVATING 5 5.6 PLANTING PREPARATION 5 5.7 TOLERANCES 5 SECTION 6 - FILLING, BACKFILLING AND COMPACTION 6 6.1 SECTION INCLUDES 6 ' 6.2 6.3 MEASUREMENT AND PAYMENT REFERENCES 6 6 6.4 FILL MATERIALS 6.5 PREPARATION 6.6 BACKFILLING, FILLING, AND SURFACE PREPARATION '6.7 COMPACTION AND QUALITY CONTROL 6.8 PROTECTION OF FINISHED WORK 6.9 TOLERANCES SECTION 7 - CHANNEL PROTECTIVE LININGS AND TOE STABILIZATION 7.1 SECTION INCLUDES 7.2 MEASUREMENT AND PAYMENT 7.3 REFERENCES 7.4 GENERAL 7.5 MATERIALS 7.6 TOE STABILIZATION 7.7 CHANNEL PROTECTIVE LININGS 7.8 SLOPE PROTECTION SECTION 8 - STREAM BANK PLANTING 8.1 SECTION INCLUDES 8.2 MEASUREMENT AND PAYMENT 8.3 REFERENCES 8.4 GENERAL 8.5 LIVE STAKES 8.6 PLANT SUBSTITUTION 8.7 PLANTING PREPARATION 8.8 STREAM BANK PLANTING 8.9 PLANTING PERIODS 8.10 REMOVAL OF NUISANCE VEGETATION 8.11 WATER FOR PLANTINGS 8.12 SUBMITTALS SECTION 9 - BUFFER PLANTING 9.1 SECTION INCLUDES 9.2 MEASUREMENT AND PAYMENT 9.3 REFERENCES 9.4 GENERAL 9.5 CONTAINER GROWN PLANTS 9.6 BARE ROOT PLANTS 9.7 PLANT SUBSTITUTION 9.8 PLANTING PREPARATION 9.9 PLANTING PERIODS 9.10 REMOVAL OF NUISANCE VEGETATION 9.11 WATER FOR PLANTINGS 9.12 SUBMITTALS SECTION 10 -PERMANENT SEEDING 10.1 SECTION INCLUDES 10.2 MEASUREMENT AND PAYMENT 10.3 REFERENCES 10.4 GENERAL 10.5 SEEDBED PREPARATION 10.6 SEEDING 10.7 SEEDING DATES 10.8 SOIL AMENDMENTS 6 6 6 6 7 7 7 7 7 7 7 7 8 8 9 10 10 10 10 10 10 10 10 10 10 10 10 11 11 11 11 11 11 12 12 12 12 12 12 12 12 13 13 13 13 13 13 13 13 13 1 11 10.9 MULCH SECTION 11 - SEDIMENT & EROSION CONTROL 11.1 SECTION INCLUDES 11.2 MEASUREMENT AND PAYMENT 11.3 REFERENCES 11.4 MATERIALS 11.5 SILT FENCE f 4 13 11.6 TEMPORARY SEEDING 14 SECTION 12 - SITE MAINTENANCE 14 12.1 SECTION INCLUDES 14 12.2 MEASUREMENT AND PAYMENT 14 12.3 EXECUTION 14 14 111 14 15 15 15 15 I IF_ l?I?? SECTION 1 - GENERAL REQUIREMENTS 1.1 SECTION INCLUDES General requirements and information related to the work including, summary of work. ' 1.2 SUMMARY OF WORK The Macon County Stream Repairs and Bank Stabilization project consists of the earthwork construction of repaired and stabilized channel banks, toe stabilization, and/or planting of the repaired channel banks and surrounding buffer area. Refer to the Construction Drawings and to these Specifications for project details. 1.3 WORKFORCE EXPERIENCE The Contractor is required to have the appropriately experienced personnel on-site to operate equipment and insure that the construction sequence and installation procedures are followed as determined by the Engineer. Contractor personnel should be familiar with stream repair and bank stabilization techniques and the correct method of installing in-stream structures (i.e. rock cross-vanes). 1.4 SPECIFIC EQUIPMENT REQUIREMENTS The Contractor is required to have at a minimum one excavator with a hydraulic thumb during the construction unless otherwise approved by the Engineer. The hydraulic excavator must be of sufficient size to lift, manipulate, and install boulders larger than 5-foot by 4-foot by 3-foot (a maximum of 6 tons). 1.5 MEASUREMENT AND PAYMENT All measurement and payment for services performed shall be as indicated in the PROJECT AGREEMENT. As such, they are not defined in these technical Specifications. END OF SECTION Storage of oil or fuel shall be confined to the construction staging area. Refueling of all vehicles and equipment shall occur only in the staging area. Refueling of non-mobile equipment located outside of the staging area will be allowed with Owner approval. No refueling shall occur within fifty feet of the channel or any other surface water or wetland. The Contractor shall take appropriate measures to ensure safe fueling procedures are followed. Contractor shall provide appropriate spill prevention measures. The Contractor shall provide a spill containment plan for both the staging area and the construction area. The plan shall include prevention, containment, and control of fuel or oil spillage from equipment storage, refueling, maintenance, and operation on-site. The plan shall address both mobile and non-mobile equipment used during construction. Emergency spill cleanup equipment for oil and fuel spills shall be stored on-site. The Contractor shall notify the Owner and all applicable agencies within 24 hours of any spill. SECTION 2 - TEMPORARY FACILITIES 2.1 SECTION INCLUDES Required temporary facilities including site access, temporary sanitary facilities, barriers, traffic control, construction staging area, Contractor coordination, protection of existing facilities and installed work, erosion control measures, and general site cleaning. 2.2 MEASUREMENT AND PAYMENT See PROJECT AGREEMENT 2.3 TEMPORARY SANITARY FACILITIES Provide and maintain required sanitary facilities and enclosures. No permanent sanitary facilities exist at the project site. 2.4 BARRIERS Provide barriers to prevent unauthorized entry to construction areas, to allow for Owner and Engineer access to site, and to protect existing structures and adjacent properties from damage due to construction operations. 2.5 TRAFFIC CONTROL Provide traffic control as required to protect the public safety. Conform to all requirements of State, County, City, or local laws and requirements for traffic control. Conformance with Contract Documents does not relieve the Contractor from responsibility for public safety. Construction operations may be underway on adjoining portions of the site. 2.6 STAGING AREA The Owner will designate an area for staging of Contractor's equipment and construction materials for the duration of construction. This area shall be maintained so as to provide a sightly appearance and a safe working environment. No other area shall be used for this purpose without the approval of the Owner. Stream Repairs & Bank Stabilization Macon County Stream Repairs Page i Technical Specifications October 2005 2.7 COORDINATION WITH OWNER AND OTHER CONTRACTORS Perform coordination with Owner and schedule work to ensure limited disruption of daily operations. Obtain approval from Owner prior to the disruption of any access to site utilities, structures, or locations. Coordinate the disruption of any utility services without regard to duration. Provide continuous representation/point of contact for Owner during all site activities. Only access points approved by the ' Owner shall be used during construction. 2.8 PROTECTION OF EXISTING FACILITIES, STRUCTURES, AND SERVICES The project vicinity, including existing access routes, will continue to be used for daily operations by the Owner and by others throughout the duration of the construction. The Contractor shall protect existing ' facilities, structures, and services throughout the duration of construction and provide special protection where specified in individual specification sections. Provide temporary and removable protection for existing structures and services. Control activity in immediate vicinity of facilities, structures, and services to prevent damage. Any facility, structure, or services disturbed or damaged, either intentionally or unintentionally, shall be removed and reinstalled or repaired to the Owner's satisfaction. Repairs to or replacement of facilities, structures, or services shall be performed at the expense of the Contractor. Repairs and/or replacement shall occur without additional cost to the Owner. 2.9 PROTECTION OF INSTALLED WORK Protect installed work and provide special protection where specified in individual specification sections. Provide temporary and removable protection for installed work and products. Control activity in immediate work area to prevent damage. Any installed work disturbed ' or damaged, shall be removed and reinstalled or repaired to the Engineer's satisfaction. Repairs to or replacement of installed work shall be performed at the expense of the Contractor. Repairs and replacement shall occur without additional cost to the Owner. ' 2.10 PROGRESS CLEANING AND WASTE REMOVAL Maintain areas free of waste materials, debris, and rubbish. Maintain ' site in a clean and orderly condition. Collect and remove waste materials, debris, and rubbish from site daily and dispose off site. Remove temporary utilities, equipment, facilities, and materials prior to Final Application for Payment inspection. Restore existing facilities used during construction to original condition. 2.11 EROSION CONTROL ' Contractor shall be responsible for preventing erosion on the site and sedimentation off the site. Methods shall be employed as recommended in the North Carolina Erosion and Sediment Control Planning and Design Manual, latest edition. 2.12 FINAL CLEANING Execute final cleaning prior to final project assessment. Clean site and all installed work. Remove waste and surplus construction materials, rubbish, and construction facilities from the site. END OF SECTION Stream Repairs & Bank Stabilization Page 2 Technical Specifications Macon County Stream Repairs October 2005 SECTION 3 - QUALITY CONTROL 3.1 SECTION INCLUDES Observation of construction operations and buffer and stream bank planting. 3.2 MEASUREMENT AND PAYMENT See PROJECT CONTRACT 3.3 REFERENCES 1 For products or workmanship specified by association, trade, or other consensus, comply with requirements of the standard, except when more rigid requirements are specified or are required by applicable codes. I Conform to reference standard by date of issue on date of Contract Documents, except where a specific date is established by code. t C I Section 6 (Filling, Backfilling, and Compaction) of these Specifications. h Section 8 (Stream Bank Planting) of these Specifications. Section 9 (Wetland and Buffer Planting) of these Specifications. END OF SECTION Observation of planting operations does not relieve Contractor of obligation to perform work to contract requirements. The Contractor shall allow observation personnel access to materials (see stream bank plantings specified in Section 8) and the construction-site as required. 3.4 CONSTRUCTION OBSERVATION The Owner has engaged the Engineer to observe construction operations as required in these Specifications. Reports (either verbal or written) shall be submitted concurrently to the Owner and Contractor, indicating observations and indicating compliance or non-compliance with Contract Documents. Observation of construction operations does not relieve Contractor of obligation to perform work to contract requirements. The Contractor 'shall allow observation personnel access to materials and the construction-site as required. 3.5 PLANTING OBSERVATION The Owner has engaged the Engineer to observe stream bank and buffer planting as required in these Specifications. Reports will be submitted concurrently to the ,Owner and Contractor, indicating observations and indicating compliance or non-compliance with Contract Documents. Stream Repairs & Bank Stabilization Macon County Stream Repairs Page 3 Technical Specifications October 2005 ill I t SECTION 4 - SITE PREPARATION 4.1 SECTION INCLUDES Site preparation shall consist of utility location and protection, clearing, grubbing and stripping of the work area, and construction of any required temporary construction access routes and temporary sediment and erosion control measures. 4.2 MEASUREMENT AND PAYMENT See PROJECT CONTRACT 4.3 UTILITY LOCATION AND PROTECTION The Contractor shall locate all existing utilities and mark them for identification. Contractor shall provide means for protecting utilities from any damage during site work. Repair of damaged utilities shall be at the Contractor's expense. Coordination should be made with Owner to locate and mark site specific utilities. NC ONE CALL (1-800-632- 4949) 4.4 SEDIMENTATION AND EROSION CONTROL Contractor shall be responsible for preventing erosion on the site and sedimentation off the site. Methods shall be employed as recommended in the North Carolina Erosion and Sediment Control Planning and Design Manual, latest edition. The Contractor shall control sedimentation runoff with methods approved by the Engineer during the course of construction of this Project. Depending on the magnitude of the clearing and grubbing associated with the project, an Erosion Control Plan may be required Temporary erosion and sediment control measures shall be installed as described in Section 11 (Sediment & Erosion Control). The Contractor shall conform to all the rules, regulations, laws, and ordinances of the State of North Carolina, and of all other authorities having jurisdiction. 4.5 CONSTRUCTION LAYOUT The construction layout may include, but will not necessarily be limited to, channel disturbance limits, earthwork limits, and appropriate grading values. The Contractor is responsible for the construction surveying and layout. The Contractor is required to have a laser level or other equivalent equipment available on-site during the entire period of construction. 4.6 CLEARING, GRUBBING, AND STRIPPING Conform to applicable codes for environmental requirements, disposal of debris, and erosion and sedimentation control as described above. Coordinate clearing work with utility owners and operators as described above. Establish a schedule for daily removal of debris from the site. Debris may not be stockpiled on-site. Clear areas required for access to site and execution of work. Remove trees, stumps, other wood, metal, or rubble debris within work areas unless otherwise directed by Engineer. Remove stumps, main root ball, and all roots with a diameter greater than 2 inches. Leave area in a clean and neat condition. Grade site surface daily to control the direction of channelized flow and prevent free standing surface water. In areas where bank repairs will be implemented, the existing top six inches of soil should be removed and stockpiled prior to excavation, construction, or reconstruction efforts. 4.7 DEWATERING Comply with all rules, regulations, laws, and ordinances of the State of North Carolina, and of all other authorities having jurisdiction. Provide, without additional cost to the Owner, all labor, materials, equipment, and services necessary to make the work comply with such requirements. Install all barriers, erosion and sedimentation control devices, silt fences, and other measures as required to prevent off-site sedimentation. Grade and ditch the site as necessary to direct surface runoff away from open excavations and subgrade surfaces. All water drained from the Work shall be disposed of in a manner that will not result in undue interference with other work or damage adjacent properties, other surfaces, structures, and utilities. All water due to the dewatering operation shall be legally disposed of in accordance with all applicable State and federal regulations and other applicable regulations. Under no circumstances shall fill be placed in excavations containing standing water without approval of the Engineer. END OF SECTION Stream Repairs & Bank Stabilization Page 4 Technical Specifications Macon County Stream Repairs October 2005 1 I?I L% SECTION 5 - EXCAVATION 5.1 SECTION INCLUDES Provide all necessary equipment and labor to excavate for channel restoration without damage or interruption of utility service. 5.2 MEASUREMENT AND PAYMENT See PROJECT CONTRACT 5.3 REFERENCES Occupational Safety and Health Administration - Construction Standards for Excavations, 29 CFR Part 1926.650-.652. When the Specifications or Drawings differ from the requirements of the above-referenced documents, the more stringent requirements shall apply. 5.4 PREPARATION Locate, identify, and protect utilities from damage as described in Section 4.3. Notify utility companies and coordinate for and/or install protection of utilities. 5.5 EXCAVATING Protect all utilities and structures that may be damaged by excavating work. In areas where floodplain grading will be implemented, the existing top six inches of soil should be removed and stored prior to construction or reconstruction efforts. Perform Work in accordance with Occupational Safety and Health Administration (OSHA) - Construction Standards for Excavations, 29 CFR Part 1926.650-.652. Provide trench and excavation protection as required. Slope banks with machine to stabilize the slope or flatten it until shored. Grade top perimeter of excavation to prevent surface water from draining into excavation. Where required to protect utilities, perform excavation by hand. Remove subsoil, boulders, and rock as directed by the Engineer. Notify Engineer if subsurface conditions require excavation of larger subsoil, boulders, and rock, and discontinue Work. Engineer may direct adjustment in construction elevations. Adjustment of elevations shall not be a basis for additional payment. Correct areas over excavated in accordance with Section 6 (Filling, Backfilling, and Compaction) and as shown in the Construction Drawings. Stockpile select excavated material on-site for re-use in backfill. Stockpile location shall be subject to Owner approval. 5.6 PLANTING PREPARATION In areas where buffer planting will be implemented, the stockpiled topsoil and/or off-site topsoil (as required), should be distributed in preparation for restoration planting operations as described in SECTION 7 (Channel Protective Linings and Toe Stabilization) of these Specifications. The Contractor is ultimately responsible for establishing a suitable planting medium with a minimum depth of four (4) inches. All areas where topsoil is distributed shall be disked or harrowed to ensure soil aeration and to increase the surface roughness prior to planting. 5.7 TOLERANCES Top surface of channel protective lining (where applicable): Plus or minus one inch from required elevations. Top surface of fill, backfill, and topsoil: Plus or minus one inch from required elevations. END OF SECTION Stream Repairs & Bank Stabilization Page 5 Technical Specifications Macon County Stream Repairs October 2005 SECTION 6 - FILLING, BACKFILLING AND COMPACTION place. Backfill with ordinary fill material and compact to density equal to or greater than requirements for subsequent fill material. 6.1 SECTION INCLUDES Provide all necessary equipment and labor to perform filling, backfilling, and compaction necessary for construction of repaired channel banks, and other site work as shown on the Drawings without damage or interruption of utility service. Replacement of removed topsoil shall be as described in SECTION 5.6 (Planting Preparation) of these Specifications. 6.2 MEASUREMENT AND PAYMENT See PROJECT CONTRACT 6.3 REFERENCES ASTM D698 - Test Methods for Moisture-Density Relations of Soils and Soil-Aggregate Mixtures, Using 5.5 lb. Rammer and 12-inch Drop. ASTM D1556 - Test Method for Density of Soil in Place by the Sand-Cone Method. ASTM D2922 - Test Methods for Density of Soil and Soil-Aggregate in Place by Nuclear Methods (Shallow Depth). ASTM D3017 - Test Methods for Water Content of Soil and Rock in Place by Nuclear Methods (Shallow Depth). ASTM D2487 - Classification of Soils for Engineering Purposes. When the Specifications or Drawings differ from the requirements of the above-referenced documents, the more stringent requirements shall apply. 6.4 FILL MATERIALS 6.6 BACKFILLING, FILLING, AND SURFACE PREPARATION Backfill areas to contours and elevations with unfrozen materials. Do not backfill over porous, frozen, or spongy subgrade surfaces. Employ a placement method that does not disturb or damage other work. Make gradual grade changes. Blend slope into level areas. Place backfill and fill in loose level lifts not to exceed six inches in thickness before compaction. Earth fill in repaired channel banks and other structures shall be placed so as to meet the following additional requirements: a. The distribution of materials throughout each zone shall be essentially uniform and the fill shall be free from lenses, pockets, streaks, or layers of material differing substantially in texture or gradation from the surrounding materials. b. Backfill areas to contours and elevations with unfrozen materials. Do not backfill over porous, frozen, or spongy subgrade surfaces. Employ a placement method that does not disturb or damage other work. Place backfill and fill in loose level lifts not to exceed six inches in thickness before compaction. Make gradual grade changes. Blend slope into level areas. c. If the surface of any layer becomes too hard and smooth for proper bond with the succeeding layer, it shalllbe scarified parallel to the axis of the fill to a depth of not less than 2 inches before the next layer is placed. d. The top surfaces of embankments shall be maintained approximately level during construction, except that a crown or cross-slope of not less than 2% shall be maintained to insure effective drainage, and except as otherwise specified for drain fill zones. U Ll Soil excavated during construction and stockpiled may be re-used as fill provided that it can be conditioned and compacted as specified. Supplement or replace excavated soils with channel bed material or ordinary fill as shown on the Drawings and as needed to complete work. Fill for Lower Bank Zone shall consist of channel bed material from an approved borrow source. Ordinary fill for Mid-Bank and Upper Bank Zones shall be any soil classified as SM, SC, SP-SM, SP- SC, SC-SM, SP, or SW under ASTM D2487 unless otherwise directed by the Engineer. If soil excavated during cut operations is not re-used, it shall be removed from the site to an appropriate disposal facility at no additional charge to Owner. The Contractor shall be responsible for the payment of all fees associated with transportation and disposal of unusable materials. Suitable borrow material may be available within the vicinity of the project site but must be identified by the Contractor and approved by the Engineer. 6.5 PREPARATION Compact subgrade to density requirements for subsequent backfill materials. Cut out soft areas of subgrade not capable of compaction in e. Repaired channel banks shall be constructed so that the slope of the bonding surfaces between embankment in place and embankment to be placed is not steeper than 1 foot horizontal to 1 foot vertical, unless otherwise specified on the Contract Drawings. New embankment material shall be benched into existing slope as shown on the plans. Short bench levels shall be formed to a slope of 1 H:1 V or flatter, based on existing slope conditions as determined by the Engineer at the time of construction, unless otherwise specified on the Contract Drawings. Benching shall be constructed in such a fashion as to inhibit the formation of preferential planes of slope failure. The bonding surface of the embankment in place shall be stripped of all loose material, and shall be scarified, moistened and recompacted when the new fill is placed against it as needed to insure a good bond with the new fill and to obtain the specified moisture content and density in the junction of the in-place and new fill. Any variation to this method of tying new fill into the existing filled bank shall be determined in the field at time of construction by the Engineer. 6.7 COMPACTION AND QUALITY CONTROL For backfill operations, compaction shall be performed using tracked equipment as directed by the Engineer. Compaction greater than that provided by tracked equipment may be deemed necessary by the Stream Repairs & Bank Stabilization Page 6 Technical Specifications Macon County Stream Repairs October 2005 Engineer based on-site or soil conditions. Provide compaction as directed by the Engineer. Lift thickness shall not exceed 6". 6.8 PROTECTION OF FINISHED WORK Protect finished work. Reshape and re-compact fills subjected to vehicular traffic or damaged by erosion. 6.9 TOLERANCES ' Top surface of channel protection lining (where applicable): Plus or minus one inch from required elevations. Top surface of fill, backfill, and topsoil: Plus or minus one inch from ' required elevations. Top surface of floodplain (where applicable): Plus or minus one inch from required elevations. END OF SECTION SECTION 7 - CHANNEL PROTECTIVE LININGS AND TOE STABILIZATION 7.1 SECTION INCLUDES Temporary and permanent channel erosion protective linings and toe stabilization. 7.2 MEASUREMENT AND PAYMENT 'See PROJECT CONTRACT 7.3 REFERENCES The following specifications and methods form a part of this Specification: ASTM C88 - Standard Test Method for Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate ASTM C127 - Standard Test Method for Specific Gravity and Absorption of Coarse Aggregate NCDOT - Standard Specifications for Roads and Structures. When the Specifications or Drawings differ from the requirements of the above-referenced documents, the more stringent requirements shall apply. 7.4 GENERAL A Channel Protective Lining has been selected along channel banks. Toe stabilization will be installed to provide additional bank protection where shown on the Drawings. Materials to be used in Channel Protective Linings and the Toe Stabilization are specified in this section. Channel erosion protection linings shall be constructed of the materials specified in this section and as shown on the Drawings. Linings shall be laid true to the grade shown on the Drawings. Linings shall make a smooth interface with the surrounding grade. Any portion of the lining which has its grade or surface disturbed after placement shall be repaired. Any portion thereof already in place which is found to be defective or damaged shall be repaired or replaced, as directed by the Engineer, without additional cost to the Owner. The toe stabilization shall be constructed of the materials specified in this section and as shown on the Drawings. Any portion of the structure which is disturbed after placement shall be repaired. Any portion of the structure found to be defective or damaged shall be repaired or replaced, as directed by the Engineer, without additional cost to the Owner. 7.5 MATERIALS Materials include excelsior and coir fiber matting manufactured especially for erosion control, Eco-Stakes, wire staples, nonwoven geotextile, boulders, channel bed material, NCDOT Coarse Aggregate Size #57, NCDOT Class A Erosion Control Stone, NCDOT Class B Erosion Control Stone, NCDOT Class 1 Rip Rap (RipRap), and NCDOT Class 2 Rip Rap (RipRap). Stream Repairs & Bank Stabilization Macon County Stream Repairs Page 7 Technical Specifications October 2005 I L? Matting for erosion control in areas other than stream banks with mild slopes shall be excelsior matting. Excelsior matting shall consist of a machine produced mat of curled wood excelsior that is a minimum of 47 inches in width. The mat shall weigh 0.975 pounds per square yard with a tolerance of plus or minus 10 percent. At least 80 percent of the individual excelsior fibers shall be 6 inches or more in length. The excelsior fibers shall be evenly distributed over the entire area of the blanket. One side of the excelsior matting shall be covered with an extruded plastic mesh. The mesh size for the plastic shall be a maximum of I" x I" square. Matting for erosion control shall not be dyed, bleached, or otherwise treated in a manner that will result in toxicity to vegetation. Other acceptable material manufactured especially for erosion control may be used when approved by the Engineer in writing before being used. Erosion control matting for stream banks shall be CF 7 coir matting. Matting shall be 100% coir fiber. Minimum Specifications for coir matting as follows: Weight 20.6 oz/yd2 (700 g/m2) ASTM-133776 Thickness 6.34 mm Water Velocity 10 ft/s Grab/Elongation (Dry) 115.81bs/23.9% MD ASTM-134594 54.1 lbs/33.5% XD Manning's n 0.0294 Max Shear Stress 4.46 lb/ft Nonwoven Geotextile: Geotextile shall be a nonwoven fabric with a minimum weight of 12 ounces per square yard (ASTM D3776), a minimum grab strength in either direction of 180 pounds (ASTM D4632), a minimum puncture resistance of (ASTM D4833) of 85 pounds, and permeability of (ASTM D4491.) greater than 0.2 cm/sec. Fabric meeting these Specifications shall still be subject to approval or rejection by the Engineer. At the time of installation, the fabric will be rejected if it has defects, rips, holes, flaws, deterioration, or damage incurred during the manufacture, transportation, or storage. NCDOT Coarse Aggregate Size #57: Shall conform to gradation requirements of Table 1005-1, NCDOT Specifications. NCDOT Class A Erosion Control Stone: 2 to 6-inch, widely graded, durable, crushed stone conforming to applicable NCDOT standards (No more than 5% of the material fumished can be less than the minimum size specified, nor more than 10% of the material can exceed the maximum size specified). Concrete rubble shall not be used. NCDOT Class B Erosion Control Stone: 5 to 12-inch, widely graded, durable, crushed stone conforming to applicable NCDOT standards (No more than 5% of the material fumished can be less than the minimum size specified, nor more than 10% of the material can exceed the maximum size specified). Concrete rubble shall not be used. NCDOT Class 1 Rip Rap (RipRap): 5 to 17-inch, widely graded, durable, crushed stone conforming to applicable NCDOT standards. The stone shall vary in weight from 5 to 200 pounds with 30% weighing a minimum of 60 pounds each and 10% weighing a minimum of 15 pounds each. (No more than 5% of the material furnished can be less than the minimum size specified, nor can more than 10% of the material exceed the maximum size specified). The rock fragments shall be angular to subrounded in shape. Concrete rubble shall not be used. NCDOT Class 2 Rip Rap (RipRap): 9 to 23-inch, widely graded, durable, crushed stone conforming to applicable NCDOT standards. The stone shall vary in weight from 25 to 250 pounds and 60% shall weigh a minimum of 100 pounds each. (No more than 5% of the material furnished can be less than the minimum size specified, nor can more than 10% of the material exceed the maximum size specified). The rock fragments shall be angular to subrounded in shape. Concrete rubble shall not be used. Boulders (Toe Stabilization and Footer Rocks): Boulders of approximate dimension 5' x 3' x 2' shall be individually picked by Contractor from the quart' or the on-site stockpile for use in in-stream structure construction. Boulders as small as 3' x 2' x 2' may be used; however, they shall not constitute more than 30% of the total boulders. Boulders shall be relatively flat on either side in the same dimension, preferably the long dimension and must have smooth ends. 7.6 TOE STABILIZATION The work covered by this section consists of the construction rock toe stabilization. The length of toe stabilization to be constructed will be affected by actual conditions that occur during the construction of the project. Such variations in quantity will not be considered as alterations in the details of construction or a change of character of the work. A tracked hydraulic excavator with a thumb of sufficient size to move specified boulders is required for this item. Precise placement of toe stabilization will be determined during construction by the Engineer and may not reflect the construction Drawings. Toe stabilization installed must be inspected and approved by the Engineer. Excavation for the purpose of installation is incidental and is covered by this line item. The excavation of the subgrade and installation will be consecutive and continuous. Once the installation procedure has been initiated, it will be completed before the end of the workday. Any incidental/accidental discharge of sediment accumulation as a result of the installation procedure will be removed or integrated into the designed bedform. Excavation shall terminate at bedrock if contacted prior to the design grade. Bedrock will be excavated only if it is determined to be rippable and necessary by the Engineer. Install toe stabilization as shown on the Drawings and as directed by the Engineer. Grade area where toe stabilization is to be constructed. Surface shall be free of obstructions, debris, and pockets of soft or low density material. Unless otherwise directed by the Engineer, the stone shall be placed on the slope and/or angle as indicated on the plans. The stone shall be graded so that the smaller stones are uniformly distributed throughout the mass. The Contractor may place the stone by mechanical methods provided that when the work is completed, it forms a properly graded, dense, neat layer of stone. 7.7 CHANNEL PROTECTIVE LININGS Grade the area to be lined. Surface shall be free of obstructions, debris, and pockets of soft or low density material. The rock weir structures Stream Repairs & Bank Stabilization Page 8 Technical Specifications Macon County Stream Repairs October 2005 F?11 shall be completed prior to installation of the channel protective linings. Cover area with all available on-site stockpiled topsoil to a preferred minimum depth of 4 inches. Final grade with topsoil shall be as shown on Drawings. Topsoil shall be prepared with fertilizer and lime, and seeded as described in Section 10 (Permanent Seeding) of these Specifications. The Contractor is ultimately responsible for establishing a suitable planting medium with a minimum depth of six (6) inches. Install CF-7 erosion control matting perpendicular to the axis of the stream. The matting shall be laid smooth and free from tension, stress, folds, wrinkles and creases. Horizontal overlaps shall be a minimum of 12 inches with the upper matting overlapping the lower matting. Vertical overlaps in matting shall be a minimum of 12 inches with the upstream matting overlapping the downstream matting. The top (crest) edge of the matting shall be anchored in a trench at least 12 inches deep, as shown on the Construction Drawings, to prevent undercutting of the matting. The trench should be located a minimum of 12 inches from the top of bank, and shall not alter channel or floodplain grade. Matting trench and Eco-Stakes® shall be installed as phown on Drawings. Matting shall be anchored utilizing Eco-stake® brand stakes installed not more than 3 feet apart (3' on centers) and staggered, with a minimum of 3 stakes per square yard of matting over the entire lined area. 24-inch Eco-stakes® shall be used along the toe of the channel and 12-inch stakes shall be used within the field and top edge of the matting as detailed on the Construction Drawings. Along all laps (both vertical and horizontal) in the matting, install a common row of staples at the seam, installing staples on 1 foot (12 inch) centers. Along the toe, 24 inch Eco-Stakes® shall be spaced not more than 2 feet All stakes shall be driven perpendicular to the axis of the stream as shown on Drawings. Care shall be taken to avoid damage to matting material. In the event that the matting is displaced or damaged during installation, the matting shall be repositioned or replaced. This will be done at no additional cost to the Owner. 7.8 SLOPE PROTECTION Grade area to be lined. Surface shall be free of obstructions, debris, and pockets of soft or low density material. Cover area with all available on-site stockpiled topsoil to a preferred minimum depth of 4 inches. Final grade with topsoil shall be as shown on Drawings. Topsoil shall be prepared with fertilizer and lime, and seeded as described in Section 10 (Permanent Seeding) of these Specifications. The Contractor is ultimately responsible for establishing a suitable planting medium with a minimum depth of four (4) inches. Install excelsior matting perpendicular to slope. Matting shall.be unrolled with netting material on top and blanket material in contact with the soil. (Note: some excelsior matting has netting on both sides.) The matting shall be laid smooth and free from tension, stress, folds, wrinkles and creases. Horizontal overlaps shall be a minimum of 12 inches with the upper matting overlapping the lower matting. Vertical overlaps in matting shall be a minimum of 12 inches. The top (crest) and bottom (toe) edges of the matting shall be anchored in trench at least 12 inches deep as shown on Drawings to prevent undercutting of the matting. Matting trench and wire staples shall be constructed and installed as shown on Drawings. Wire staples shall be installed not more than 3 feet apart (Yon centers) and staggered, with a minimum of 3 stakes per square yard of matting over the entire lined area. Staples shall be driven perpendicular to the soil surface. Staples shall be driven flush with soil surface to reduce potential for movement of the erosion control matting. Staples shall be installed in parallel rows on 3' centers and in trenches at the top and bottom of the slope as shown on Drawings. Along all laps (both vertical and horizontal) in the matting, install a common row of staples at the seam, installing 'staples on Ifoot (12 inch) centers. All standard anchoring staples shall be 18 inches in length. Staples shall be driven in with a wooden mallet. Care shall be taken to avoid damage to matting material. In the event that the matting is displaced or damaged during installation, the matting shall be repositioned or replaced. This will be done at no additional cost to the Owner. END OF SECTION Stream Repairs & Bank Stabilization Page 9 Technical Specifications Macon County Stream Repairs October 2005 SECTION 8 - STREAM BANK PLANTING 8.6 PLANT SUBSTITUTION H ?7 81 SECTION INCLUDES Provide all necessary equipment and labor to implement stream bank planting plan. 8.2 MEASUREMENT AND PAYMENT See PROJECT CONTRACT 8.3 REFERENCES The following specifications and methods form a part of this Specification: NCDOT - Standard Specifications for Roads and Structures. 15 NCAC 213.200 - Classification of Water Quality Standards Applicable to Surface Waters & Wetlands of North Carolina American Standard for Nursery Stock, latest edition NCDENR - Erosion and Sediment Control Planning and Design Manual When the Specifications or Drawings differ from the requirements of the above-referenced documents, the more stringent requirements shall apply. 8.4 GENERAL All plants shall be as called for by these Specifications and shown on the Drawings. All plants delivered shall be true to name. Each plant, or group of the same species, variety, and size of plant, shall be legibly tagged with the name and size of the plant. All plants shall be first-class representatives of their species. Stakes shall be reasonably straight. All plants shall be free from plant diseases and insect pests. All shipments of plants shall comply with all nursery inspection and plant quarantine regulations of the States of origin and destination, as well as with Federal regulations governing interstate movement of stock. If stock from other States is used, the stock shall be accompanied by a tag or certificate stating, in effect, that the stock has been inspected and certified by an authorized official of the State of origin as apparently free from injurious plant pests. All plants shall be subject to inspection at any time by the Engineer. Any such inspection before or during planting operations, however shall not be construed as final acceptance of the plants involved. 8.5 LIVE STAKES Live stakes, if approved for use by the Engineer, shall consist of freshly cut live plants of select stock which has been developed by proper cultural treatment. Stakes and cuttings shall be 3/8" to 1/2" diameter and between 12 and 18 inches long. They shall be carefully cut from mother-stock plantings. Plant materials shall be packaged, transported, and handled in a manner that will prevent injury, drying out, or freezing. No change in the specified plants (species, variety, size, caliper, furnish, etc.) will be made without written approval of the Engineer. All requests by the Contractor for substitutions shall be presented in writing and shall include a listing of the sources which have been contacted in an attempt to secure the specified plant material. Requests for substitutions shall include botanical name, common name, size, caliper, and furnish description of the proposed substitute. No increase in compensation will be made to the Contractor as a result of the use of the approved substitute plants. 8.7 PLANTING PREPARATION In areas where stream restoration will be implemented, preparation for restoration planting operations shall be as described in SECTION 7 (Channel Protective Linings) of these Specifications. Where live stakes shall be planted, through the Channel Protective Lining, holes shall be made by neatly punching a hole in the matting with a dibble bar (a heavy metal tool with a blade and a foot petal). The dimensions of the hole shall not exceed 3" in any direction and shall not damage the surrounding matting. 8.8 STREAM BANK PLANTING Where live stakes shall be planted, they shall be installed at a 45 to 60 degree angle in the direction of stream flow. The buds of stakes and plant cuttings should point upward and abou? 2 inches of wood should be exposed above the ground surface. Tamp the surrounding soil firmly to eliminate air pockets. Where stream bank planting is directed, areas shall be planted with trees, using 10-foot by 10-foot centers as shown on the Construction Drawings. Areas planted with shrubs will be on 12-foot by 12-foot centers. Care should be taken to avoid planting stakes too deep or too shallow, and to avoid damage to stakes during planting. Planting depth should be in accordance with listed references and supplier recommendations. 8.9 PLANTING PERIODS The installation of live stakes, bare root, or container grown plants shall be performed between October 15 and December 15, 2005. However, planting can not begin until all stream repairs have been completed. Live stake planting not completed until April 1-30, 2006. 8. 10 REMOVAL OF NUISANCE VEGETATION Removal or control of nuisance vegetation shall be performed for a period of 90 days as necessary to ensure adequate survival of specified plant species. 8.11 WATER FOR PLANTINGS The Contractor shall install a rain gage and collect daily gage readings at the site. Contractor shall provide initial watering on the day of planting and thereafter at a minimum rate of 1 inch per week (including rainfall) for a period of 90 days. Water used in the planting or care of Stream Repairs & Bank Stabilization Macon County Stream Repairs Page 10 Technical Specifications October 2005 vegetation and plantings shall meet the requirements of Class C fresh waters as defined in 15 NAC 213.200. SECTION 9 - BUFFER PLANTING P H 8.12 SUBMITTALS 9.1 SECTION INCLUDES Provide all necessary equipment and labor to implement buffer planting plan. 9.2 MEASUREMENT AND PAYMENT See PROJECT CONTRACT 9.3 REFERENCES American Standard for Nursery Stock, latest edition NCDENR - Erosion and Sediment Control Planning and Design Manual 15 NCAC 213.200 - Classification of Water Quality Standards Applicable to Surface Waters & Wetlands of North Carolina The following specifications and methods form a part of this Specification: NCDOT - Standard Specifications for Roads and Structures. Contractor shall submit purchase certificates (br other proof) of all species planted. END OF SECTION When the Specifications or Drawings differ from the requirements of the above-referenced documents, the more stringent requirements shall apply. 9.4 GENERAL All plants shall be as called for by these Specifications. Bare rooted plants may be used in lieu of container grown plants provided written approval for such use has been obtained from the Engineer. Grading of plants, type and minimum dimensions of containers shall conform to the Specifications contained in the latest edition of American Standard for Nursery Stock. Plants shall not be cut back from larger sizes to meet sizes called for on the Drawings. All plants delivered shall be true to name. Each plant, or group of the same species, variety, and size of plant, shall be legibly tagged with the name and size of the plant. All plants shall be first-class representatives of their species. The root system shall be vigorous and well-developed. The branch systems shall be of normal development, and free from disfiguring knots, sun scald injuries, abrasions of the bark, dead or dry wood, broken terminal growth, or other objectionable disfigurements. Trees shall have reasonably straight stems, and shall be well branched and symmetrical in accordance with their natural habits of growth. All plants shall be free from plant diseases and insect pests. All shipments of plants shall comply with all nursery inspection and plant quarantine regulations of the States of origin and destination, as well as with Federal regulations governing interstate movement of nursery stock. If nursery stock from other States is used, the stock shall be accompanied by a tag or certificate stating, in effect, that the nursery stock has been inspected and certified by an authorized official of the State of origin as apparently free from injurious plant pests. All plants shall be subject to inspection at any time by the Owner, Stream Repairs & Bank Stabilization Page 11 Technical Specifications Macon County Stream Repairs October 2005 ' Engineer, or a party to be named by the Owner. Any such inspection before or during planting operations, however shall not be construed as ' final acceptance of the plants involved. 9.5 CONTAINER GROWN PLANTS ' Container grown plants shall be healthy, vigorous, well-rooted, and shall have become established in the container in which they are delivered. These plants shall have been in the established container long enough for the fibrous roots to have developed so that the root ' mass will retain its shape and hold together when removed from the container. The container shall be a 1 gallon container or larger, sufficiently rigid to firmly hold the soil protecting the root during transporting, handling, and planting, and the soil shall not be allowed to become frozen. 9.6 BARE ROOT PLANTS ' Bare root plants, if approved for use by the Engineer, shall have a heavy fibrous root system which has been developed by proper cultural treatment. They shall be dug, packaged, transported, and handled in a ' manner that will prevent injury to or drying out of the trunks, branches, or roots, or freezing of the roots. 9.7 PLANT SUBSTITUTION No change in the specified plants (species, variety, size, caliper, furnish, etc.) will be made without written approval of the Engineer. All requests by the Contractor for substitutions shall be presented in writing and shall include a listing of the sources which have been contacted in an attempt to secure the specified plant material. Requests for substitutions shall include botanical name, common name, size, caliper, and furnish description of the proposed substitute. No increase in compensation will be made to the Contractor as a result of the use of the approved substitute plants. 9.8 PLANTING PREPARATION In areas where wetland and buffer planting will be implemented, preparation for planting operations shall be as described in SECTION 5.6 (Planting Preparation) of these Specifications. Where container grown plants will be planted, holes made in preparation for tree and shrub species planting shall be as shown on the Construction Drawings. Bare root plants and container-grown plants shall be planted in holes made by neatly punching a hole through slope protection matting and into existing grade with a dibble bar (a heavy metal tool with a blade and a foot petal). The dimensions of the hole shall not exceed 3" in any direction. 9.9 PLANTING PERIODS The installation of bare root and container grown plants shall be performed between October 15 and December 15, 2005. However, planting can not begin until all stream repairs have been completed. 9.10 REMOVAL OF NUISANCE VEGETATION Removal or control of nuisance vegetation shall be performed for a period of 90 days as necessary to ensure adequate survival of specified plant species. 9.11 WATER FOR PLANTINGS The Contractor shall install a rain gage and collect daily gage readings at the site. Contractor shall provide initial watering on the day of planting and thereafter at a minimum rate of 1" per week (including rainfall) for a period of 90 days. Water used in the planting or care of vegetation and plantings shall meet the requirements of Class C fresh waters as defined in 15 NAC 2B.200. 9.12 SUBMITTALS Contractor shall submit purchase certificates (or other proof) of all species planted. END OF SECTION Stream Repairs & Bank Stabilization Page 12 Technical Specifications Macon County Stream Repairs October 2005 n P 0 SECTION 10 -PERMANENT SEEDING 10.1 SECTION INCLUDES Permanent seeding for permanent site stabilization. 10.2 MEASUREMENT AND PAYMENT See PROJECT CONTRACT 10.3 REFERENCES The following specifications and methods form a part of this Specification: NCDENR - Erosion and Sediment Control Planning and Design Manual When the Specifications or Drawings differ from the requirements of the above-referenced documents, the more stringent requirements shall apply. 10.4 GENERAL Permanent seeding shall be executed in temporary lined areas and all other areas which are disturbed during construction activities. In areas where Channel Protective Lining will be installed, seedbed preparation and seeding shall be performed prior to the placement of erosion control matting (See SECTION 7 - Channel Protective Linings). 10.5 SEEDBED PREPARATION Complete grading before topsoiling or preparing seedbeds. Avoid creating steep slopes. Excess stockpiled topsoil not used in construction of Channel Protective Lining shall be redistributed across areas to be seeded. Where topsoil is unavailable, topsoil shall be imported. The topsoil should be spread to a uniform depth of six inches and bonded to the subsoil by loosening with a disc, harrow, or chisel plow. Areas where seeding will occur on exposed finished grade shall be disked or harrowed to ensure soil aeration and to increase the surface roughness prior to planting. Apply lime and fertili?er evenly across seedbed and work into the top 4-6 inches of soil by discing or other suitable means. Operate machinery on the contour. areas where Channel Protective Lining will be installed, no mulch shall be used and erosion control matting shall be placed within 24 hours of seeding. Apply mulch at the rates indicated below. The native species herbaceous seeding mixtures indicated below will be applied at a rate of 1/2 pound per 1000 square feet and will be mixed with the appropriate amount of rye or millet. Native Species Herbaceous Seeding Mixture: ' Rework the surface if soil becomes compacted or crusted prior to seeding. Complete seedbed preparation by breaking up large clods and raking into a smooth, uniform surface. Fill in or level depressions that can collect water. ' 10.6 SEEDING Apply permanent seeding to seedbed after preparation is complete. Use certified seed for permanent seeding whenever possible. Certified seed is inspected by the North Carolina Crop Improvement Association. It meets published North Carolina Standards and should bear an official ' "Certified Seed" label. Broadcast seed into a freshly loosened seedbed that has not been settled by rainfall. Mulch must be used on slopes 4H:1 V or steeper and in areas when concentrated water may flow. Anchor mulch with netting in areas subject to concentrated flow. In In the Lower Bank Zone: Species Scarlet Beebalm Jewelweed Common Rush Forget-me-not Sedge Elderberry All other disturbed areas: (Monarda didyma) (Impatiens capensis) (Juncus effuses) (Myosotis scorpioides) (Carex sp.) (Sambucus canadensis) Species Queen Anne's Lace (Daucus carota) Red Clover (Trifoium pratense) Narrowleaf Plantain (Plantago lanceolata) Clasping Venus' Looking-glass (Specularia perfoliata) Common Plantain (Plantago major) Native Grasses Grass Seeding LTe Dates Possible Rate Annual Rye Aug. 15 - May 1 60 lbs./ac. German Millet Mayl -Aug 15 40 lbs./ac. Mulch Rate (1bs11000 sg. Grain Straw 70 10.7 SEEDING DATES Seeding dates given in these Seeding Specifications have the best probability of success. Best Possible Late winter 15 Feb-15 Mar 1 Dec-15 Mar Late Fall 1 Sept-30 Sept 1 Oct-30 Nov Seeding shall be completed within the "possible" range of dates. 10.8 SOIL AMENDMENTS Apply lime and fertilizer according to soil tests, or apply 2 tons/acre (4,000 lb/acre) ground agricultural limestone and 1,000 lb/acre 5-10-10 fertilizer, or as directed by the Engineer. 10.9 MULCH Apply grain straw, or equivalent cover of another suitable mulching material as described above. Anchor mulch by roving or netting. Netting shall be used on slopes steeper than 2H:1 V. END OF SECTION Stream Repairs & Bank Stabilization Macon County Stream Repairs Page 13 Technical Specifications October 2005 Il Li C u I I n D I SECTION II - SEDIMENT & EROSION CONTROL 11.1 SECTION INCLUDES Installation of temporary sediment and erosion control measures to include installation of silt fence and temporary seeding measures. The Contractor shall maintain these measures to ensure proper structure function and vigorous temporary vegetative cover during construction. 11.2 MEASUREMENT AND PAYMENT See PROJECT CONTRACT 11.3 REFERENCES The following specifications and methods form a part of this Specification: ASTM D4355 - Standard Test Method for Deterioration of Geotextiles from Exposure to Ultraviolet Light and Water (Xenon-Arc Type Apparatus) ASTM D4632 - Standard Test Method for Grab Breaking Load and Elongation of Geotextiles ASTM D4751 - Standard Test Method for Determining Apparent Opening Size of a Geotextile NCDENR - Erosion and Sediment Control Planning and Design Manual When the Specifications or Drawings differ from the requirements of the above-referenced documents, the more stringent requirements shall apply. 11.4 MATERIALS Silt Fence: Silt fence shall have steel posts, woven wire fabric, and filter fabric. The steel post shall have a minimum length of Y and minimum width of 13/4". The steel posts shall have projections for fastening the wire to the fence. The woven wire fabric shall be at lest 32 inches high, and shall have at least 6 horizontal wires. Vertical wires shall be spaced a maximum of 12 inches apart. The top and bottom wires shall be at least 10 gauge. All other wires shall be at least 12%: gauge. The silt fence filter fabric shall meet the following minimum criteria: Grab Tensile Strength 100 lbs. Grab Tensile Elongation 15% UV Resistance 70 ova Apparent Opening Size (AOS) 20 (US Sieve) 11.5 SILT FENCE The Contractor shall provide all labor, materials, tools and other items necessary to furnish and install the silt fence as shown on the Drawings and specified herein. The silt fence shall be placed following the contours as closely as possible. The ends of the silt fence shall be turned uphill. The posts shall not exceed a spacing of 8 feet. The posts shall be driven into the ground and shall extend above ground as shown on the Drawings. The filter fabric shall be stapled or wired to each post. The filter fabric shall extend into the ground as shown in the Drawings. If possible, the filter fabric shall be cut from a continuous roll to avoid the use of joints. When joints are necessary, securely fasten the filter cloth only at a support with overlap to the next post. Silt fences shall be inspected weekly and after each significant storm (1 inch in 24 hrs.). Any required repairs shall be made immediately. Sediment shall be removed when it reaches 1/3 the height of the fence or 9 inches maximum. Dispose of the sediment in the designated disposal area. 11.6 TEMPORARY SEEDING The Contractor shall provide all labor, materials, tools, and other items necessary to provide temporary seeding in accordance with State and local Standards. Areas where no substantial or significant progress is made for more than 15 days shall be temporarily seeded as shown on the Drawings and specified herein. All areas must be seeded, mulched, and anchored unless written approval is granted by the Owner. Incidental grading shall not constitute substantial or significant progress in construction activity. Seeding and mulching shall be done immediately following construction. All disturbed areas shall be dressed to a depth of 8 inches. The top 3 inches shall be pulverize to provide a uniform seedbed. Agricultural lime shall be applied at a rate of 4,000 pounds per acre immediately before plowing. Grass seed shall be applied at the following rate: TWe Dates Possible Rate Annual Rye Aug. 15 - May 1 60 lbs./ac. German Millet Mayl -Aug 15 40 lbs./ac. 5-10-10 fertilizer shall be applied to all disturbed areas at a rate of 1000 pounds per acre, and mulching shall consist of small grain straw applied a rate of 70 pounds per 1000 square feet (70lbs./ I 000sq.ft.). Mulch shall be anchored by roving or netting. END OF SECTION Stream Repairs & Bank Stabilization Page 14 Technical Specifications Macon County Stream Repairs October 2005 SECTION 12 -SITE MAINTENANCE ' 12.1 SECTION INCLUDES Site maintenance to ensure vigorous vegetative cover, stable channel lining, and durability of the work. ' 12.2 MEASUREMENT AND PAYMENT See PROJECT CONTRACT ' 12.3 EXECUTION ' Contractor shall revisit the site as to inspect the condition of the project site. Areas of erosion, settlement, poor vegetative cover, and displaced coir or excelsior materials or in-stream structures, shall be repaired. Site visits shall be coordinated with Owner. Erosion areas shall be filled and reseeded in accordance with Section 10 - Permanent Seeding. Areas of poor vegetative cover shall be reseeded and refertilized only. ' Displaced, damaged, or dead shrub species shall be removed, and kgplanted in accordance with Sections 8 & 9 - Stream Bank Planting and Buffer Planting. Displaced channel lining materials shall be recovered (if possible) and replaced, or replaced with new channel lining materials to the design line and grade. END OF SECTION Stream Repairs & Bank Stabilization Page 15 Technical Specifications Macon County Stream Repairs October 2005 F C C D D ENDANGERED SPECIES SURVEY y 1 1 y 1 y y y y y y y y y y M y y ENDANGERED SPECIES SURVEY ON PEEKS CREEK, MACON COUNTY, NORTH CAROLINA Prepared for: Department of Agriculture Natural Resource and Conservation Service Macon County Franklin, North Carolina Prepared by: Pamela M. Boaze, Senior Biologist Fish and Wildlife Associates, Inc. P. O. Box 241 Whittier, NC 28789 i September 19, 2005 „ ON ENDANGERED SPECIES SURVEY PEEKS CREEK, MACON COUNTY, NORTH CAROLINA INTRODUCTION i o n Service s The Department of Agriculture, Natural Resource and Conservati proposing, using Emergency Watershed Protection funds, to repair damage done to Peeks Creeks (Macon County, NC) as a result of flooding from on September 16, 2004. The work will take place in the area shown in Figure 1. Plans call for streambank stabilization, channel relocation, and revegetating the area along a 4650 foot section of the stream. A review of data supplied by North Carolina Natural Heritage Database has been documented that 47 species of federally listed endangered, threatened or species of concern occur in Macon County, NC (Attachment 1). METHODS On September 7, 2005, Pam Boaze, Senior Biologist with Fish and Wildlife Associates, Inc. surveyed the Peeks Creek area as shown in Figure 1 to determine if any of the federally listed endangered, threatened, or species of concern or their habit are present area of Peeks Creek that will under go restoration. The survey consisted of a within the a search along the riparian zone of the stream and an examination of the stream riffles, pools, and banks throughout the entire project area. S RESULT it i i on, s subject to restorat Following an inspection of the area of Peeks Creek that will be sub? the opinion of this Biologist that this project will not impact any of the federally listed endangered, threatened, or species of concern or their habit. The devastation that occurred on Peeks Creek within the project area was such that the biological community and the riparian zone of this stream was completely lost. Figure 2 shows a representative segment of Peeks Creek showing the devastation along the banks and the stream channel. f 4 t 1 1 1 1 1 y 1 1 4 y 4 4 y y RECOMMENDATIONS Therefore, it is my biological opinion that this project will NOT EFFECT any of the federally listed endangered, threatened, or species of concern or their habitat of the are listed for Macon County, NC and that no further work be carried out searching for these species. I 1 r r r r r Figure 2. Peeks Creek, upstream of Dills home place, Franklin, Macon County, NC. f 1 1 1 i 1 1 1 1 1 1 i 1 f 1 1 f f Attachment 1 List of Threatened, Endangered, and Species of Concern for Macon County NC Natural Heritage Program, September 2005 NC NHP County Element Search Page 1 of 8 NC NHP County Element Search Results New Search Returned Elements: 214 using: MACON ALL [Invertebrate Animal 42] [Natural Community 27] [Nonvascular Plant 39] [Vascular Plant 71] [Vertebrate Animal 35] -- Common Name State Federal State Global Coun - Map - j Maior Group Scientific Name Status Status Rank Rank Status Habitat Invertebrate Alasmidonta raveneliana Appalachian Elktoe E E S1 G1 Macon - Current Link Animal Macon - Invertebrate Alasmidonta varicosa Brook Floater E FSC S1 G3 Current Link Animal Macon - Invertebrate Alasmidonta vlridis Slippershell Mussel E None S1 G4G5 Current Link Animal Invertebrate Autochfon callus Golden Banded kipper SR None S1S2 G4 Macon - Current Link Animal Invertebrate Cambarus chaugaensis Oconee Stream Crayfish SC None S2 G2 Macon - Current Link Animal Invertebrate Cambarus georgiae Little Tennessee River SC None S2S3 G1 - Macon Current Link Animal Crayfish Invertebrate Celastrina nigra Animal Dusky Azure SR None S2? G4. Macon - Current Link Macon - Invertebrate Chlosyne gorgone Gorgone Checkerspot SR None S1? GS Current Link Animal Invertebrate Elliptio dilatafa l Spike SC None S1 G5 Macon - Current Link Anima - Macon Invertebrate Erora laeta Early Hairstreak SR None S2S3 G3G4 Current Link Animal Macon - Invertebrate Erynnis martialls Mottled Duskywing SR None S3 G3G4 Obscure Link Animal Invertebrate Eulonchus marialiciae Mary Alice's Small-headed SR None S1S3 G1G3 Macon - Historic Link Animal Fly Macon - Invertebrate Euphydryas phaeton Baltimore Checkerspot SR None S2 G4 Current Link Animal Macon - Invertebrate Fusconaia bamesiana Tennessee Pigtoe E None S1 G2G3 Current Link Animal Macon - Invertebrate Glyphyalinia junaluskana Dark Glyph SC None S2 G2 Obscure Link Animal Macon - Invertebrate Glyphyalinia pentadelphia Pink Glyph SC None S2 G2G3 Obscure Link Animal Macon - Invertebrate HaPlofrema kendeighi Blue-footed Lancetooth SC None S1S2 G1G2 Obscure Link Animal Macon - Invertebrate Helicodiscus bonamicus Spiral Coil SC None S1 G1 Obscure Link Animal Macon - Invertebrate Isoperla frisoni A Stonefly SR None S3 G5 Current Link Animal Invertebrate silis fasciola m L Wavy-rayed Lampmussel SC None S1 Macon - Current Link p a Animal Macon - Invertebrate Macromia margarita Mountain River Cruiser SR FSC S2S3 G3 Obscure Link Animal Invertebrate Matrioptila jeanae A Caddisfly SR None S3 GNR Macon - Current Link Animal Macon - Invertebrate Micrasema burksi A Caddisfly SR None S3 GNR Current Link Animal Macon - Invertebrate Micrasema sprulesi A Caddisfly SR None S3 GNR Current Link Animal Invertebrate IVesticus cooper Lost Nantahala Cave SR FSC S1 G1 Macon - Current Link Animal Spider Invertebrate Paravitrea lamellidens Lamellate Supercoil SC None S2 G2 Macon - Obscure Link Animal http://207.4.179.38/nhp/find.php 09/19/05 NC NHP County Element Search Page 2 of 8 Invertebrate Paravitrea umbilicaris Open Supercoil SC None S2 G2 Macon - Obscure Link Animal Invertebrate Patera clarki clarki Dwarf Proud Globe SC None S2 G3T3 Macon - Obscure Link Animal E E S1 G1 Macon - Link Invertebrate Pegias fabula Littlewing Pearlymussel Current Animal Invertebrate ph ciodes batesii maconensis Tawny Crescent SR FSC S2 G4T2T3 Macon - Current Link y Animal Macon - Invertebrate phyciodes incognitus Mimic Crescent None None SU GNR Current Link Animal imal Invertebrate Polygonia faunus smythi Smyth's Green Comma SR None S2 G5T3T4 Macon - Current Link Animal Invertebrate Rhyacophila amicis . A Caddisfly SR None S2 GNR Macon - Current Link Animal Invertebrate Rh acophila mainensis A Caddisfly SR None S2 GNR Macon - Current Link y Animal imal Invertebrate Rh hila vibox aco A Rhyacophilan Caddisfly SR None S1 S2 GNR Macon - Current Link p y Animal Macon - Invertebrate Satyrium caryaevorum Hickory Hairstreak SR None S1? G4 Obscure Link Animal i? Invertebrate Satyrium edwardsd Edwards' Hairstreak SR None S2? G4 Macon - Current Link Animal Invertebrate rratella spiculosa S Spiculose Serratellan SR None S1S2 G2 - Macon Current Link e Animal Mayfly Macon - Invertebrate Skistodiaptomus carolinensis Carolina Skistodiaptomus SR None S1? GNR Current Link Animal Invertebrate eria aphmdite cullasaja S e Cullasaja Aphrodite SR None S1? G5T1 Macon - Obscure Link p y Animal Fritillary Macon - Invertebrate Villosa iris Rainbow SC None S1 G5 Current Link Animal Macon - Invertebrate Zonitoides patuloides Appalachian Gloss SC None S2 G3 Obscure Link Animal Natural Acidic cove forest None None None S5 G5 Macon - Current Link Community Macon - Natural Boulderfield forest None None None S3 G3 Obscure Link Community Natural Canada hemlock forest None None None S5 G5 Macon - Current Link Community Natural Carolina hemlock bluff None None None S2 G2G3 Macon - Current Link Community Macon - Natural Chestnut oak forest None None None S5 G5 Current Link Community Macon - Natural Floodplain pool None None None S2S3 G37 Current Link Community Natural Heath bald None None None S3 G4 Macon - Current Link Community Macon - Natural High elevation granitic dome None None None S2 G2 Current Link Community Natural High elevation red oak forest Community None None None S5 G5 Macon - Current M Link Natural High elevation rocky summit None None None S2 G2 acon - Current Link ? Community Macon - Natural High elevation seep None None None S2S3 G3 Current Link Community Natural Low elevation rocky summit None None None S2 G2 Macon - Current Link Community Macon - Natural Low elevation seep None None None S3 G4? Current Link Community Macon - Natural Montane alluvial forest None None None S1 G2? Current Link Community Natural Montane oak-hickory forest None None None S5 G5 Macon - Current Link Community http://207.4.179.3 8/nhp/find.php 09/19/05 NC NHP County Element Search Page 3 of 8 Natural Montane red cedar-hardwood None None None S1? GNR - Macon Current Link Community woodland Macon - Natural Montane white oak forest None None None S2? G2G3 Current Link Community Macon - Natural Northern hardwood forest None None None S2? G2? Current Link Community (beech gap subtype) Macon Natural Northern hardwood forest (typic None None None S4 G5 Current Link Community subtype) Macon - Natural Piedmont/mountain None None None S4 G5 Current Link Community semipermanent impoundment Macon - Natural Pine-oak/heath None None None S4 G5 Current Link Community Macon - Natural Rich cove forest None None None S4 G4 Current Link Community Macon - Natural Rocky bar and shore None None None S5 G5 Current Link Community Natural Southern appalachian bog None None None S1S2 Macon - G1G2T1T2 Current Link Community (southern subtype) Macon - Natural Spray cliff None None None S3 G2 Current Link Community Natural Swamp forest-bog complex None None None S3 G2G3T2 Macon - Current Link Community (typic subtype) Natural White pine forest None None None S2? GNR Macon - Current Link Community Nonvascular Acrobolbus ciliatus A Liverwort SR-D None S1 G3? Macon - oric Hi?b Link Plant Nonvascular Aneura sharpii A Liverwort SR-T None S1 G1G2 con - M Historic Link Plant Nonvascular Bartramidula wilsonii Dwarf Apple Moss SR-D None S1 G4? Macon - Historic Link Plant Nonvascular B menium andersonii ch Anderson's Melon-moss SR-L FSC SH GH Macon - Historic Link y ra Plant Nonvascular Brach menium systylium Mexican Melon-moss SR-D None S1 G5 Macon - Historic Link y Plant Nonvascular Bryoxiphium norvegicum Sword Moss SR-0 None S1 G5? Macon - Current Link Plant Nonvascular Campylopus atrovirens var. Cliff Campylopus SR-D None S1 G4G5T4 Macon - Historic Link Plant cucullatifolius Nonvascular Cephalozia macrostachya ssp. A Liverwort SR-T None S1 G4T1 Macon - Historic Link Plant australis Nonvascular C haloziella spinicaulis A Liverwort SR-P None S1 G3G4 Macon - Current Link ep Plant Nonvascular Chiloscyphus appalachianus A Liverwort SR-T FSC S1 G1 G2Q Macon - Historic Link Plant Nonvascular hus muricatus Chiloscyp A Liverwort SR-D None S1 G5 Macon - Historic Link Plant Nonvascular Dichodontium pellucidum A Moss SR-P None S2 G4G5 Macon - Historic Link i Plant Nonvascular Ditrichurn ambiguum Plant Ambiguous Ditrichum SR-P None S1 G4? Macon - Current Macon - Link Nonvascular Dre anolejeunea appalachiana A Liverwort SR -L None S1 G2? Current Link p Plant Nonvascular Encalypta procera Extinguisher Moss SR-D None S1 G4G5 Macon - Historic Link Plant Nonvascular Entodon compressus Flattened Entodon SR-P None S1 G4 Macon - Historic Link Plant Nonvascular Entodon sullivantii Sullivant's Entodon SR-0 None S2 G3G4 Macon - Historic Link Plant Nonvascular G mnoderma lineare Rock Gnome Lichen T None S2 G2 Macon - Current Link y Plant Nonvascular Homalia trichomanoides Lime Homalia SR-P None S1 G5 Macon - Historic Link Plant I y http://207.4.179.38/nhp/find.php 09/19/05 NC NIP County Element Search Page 4 of 8 ! Nonvascular H drothyria venosa Waterfan Lichen SR-P None S3 G3G5 - Macon Current Link y Plant Nonvascular Lejeunea blomquistii A Liverwort SR-L None S1 G1G2 Macon - Historic Link Plant Nonvascular Macrocoma sullivantii SullivanYs Maned-moss SR-D None S2 G3G5 Macon - Current Link Plant Macon - Nonvascular Mclanelia stygia Alpine Camouflage Lichen SR-D None S1S2 G4G5 Current Link Plant Macon - Nonvascular Plagiochila austinii A Liverwort SR-T None S1S2 G3 Historic Link Plant Macon - Nonvascular Plagiochila caduciloba A Liverwort SR -T None S1 G2 Current Link Plant Nonvascular iochila echinata Pla A Liverwort SR-L None Si G2Q Macon - Historic Link g Plant Nonvascular Plagiochila sharpii A Liverwort SR-L FSC S2 G2G4 Macon - Historic Link a Plant Nonvascular Plagiochila sullivantii var. A Liverwort SR-T FSC S2 G2T2 Macon - Historic Link Plant sullivantii Nonvascular Plagiochila virginica var. A Liverwort SR-T FSC S1 G3T2 Macon - Historic Link Plant caroliniana p Nonvascular iomnium carolinianum Pl Carolina Star-moss SR-L None S2 G3 Macon - Historic Link ag Plant (=Carolina Mnium) Nonvascular Porella wataugensls A Liverwort SR-L FSC S1 G1G2Q Macon - Historic Link Plant Macon - Nonvascular Radula sullivantii A Liverwort SR-L None S2 G3 Current Link Plant Nonvascular Radula voluta A Liverwort SR-D None S1 G3 Macon - Historic Link Plant Nonvascular Schlotheimia lancifolia Highlands Moss T None Si G2. Macon - Current Link Plant Nonvascular Sphagnum flavicomans Peatmoss SR-T None SH G3 Macon - Historic Link Plant Nonvascular Sphagnum squarrosum Squarrose Peatmoss SR-P None S1 G5 Macon - Historic Link Plant Macon - Nonvascular Splachnum pennsylvanicum Southern Dung Moss SR-0 None SH ? Historic Link Plant Nonvascular Taxiphyllum altemans Japanese Yew-moss SR-0 None S1 G3? Macon - Historic Link Plant Nonvascular Usnea angulata Old Man's Beard SR-P None S1 G3G5 Macon - Current Link Plant Vascular Plant Aconitum reclinatum Trailing Wolfsbane SR None S3 G3 Macon - Current Link Macon - Vascular Adlumia fungosa Climbing Fumitory SR-P None S2 Historic Link Plant Vascular Amelanchiersangulnea Round{eaf Serviceberry SR-P None S2 G5 Macon - Current Link Plant Vascular Arisaema triphyllum ssp. Bog Jack-in-the-pulpit SR-P None S1 G5T4 Macon - Current Link Plant stewardsonii Vascular Botrychium lanceolatum var. Lance-leaf Moonwort SR-P None S1 G5T4 Macon - Historic Link Plant angustisegmentum Vascular Brachyelytrum septentrionale Northern Shorthusk SR-P None S3 G4G5 Macon - Current Link Plant Vascular Buckleya distichophy/la Piratebush E FSC S2 G2 Macon - Current Link Plant Vascular Calystegia catesbeiana ssp. Blue Ridge Bindweed SR-T None S3 G3T2T3Q Macon - Current Link Plant sericata Vascular Plant Carex biltmoreana Biltmore Sedge SR-L None S3 G3 Macon - Current Link Macon - Vascular Carex hitchcockiana Hitchcock's Sedge SR-P None S1 G5 Current Link Plant Macon - Vascular Carex leptonervia A Wood Sedge SR-P None S2 G4 Current Link Plant http://207.4.179.38/nhp/find.php 09/19/05 1 1 1 1 1 1 1 1 1 1 1 1 y 1 y 1 1 y y NC NHP County Element Search Vascular Carex misera Plant Vascular Carex purpurifera Plant Vascular Carex tetanica Plant Vascular Carex woodii Plant Vascular Celastrus scandens Plant Vascular Chelone cuthbertii Plant Vascular Dicentra eximia Plant Vascular Dodecatheon meadia var. Plant meadia Vascular Epilobium ciliatum Plant Vascular Euphorbia purpurea Plant Vascular Eurybia mirabilis Plant Vascular Filipendula rubra Plant Vascular Frasera caroliniensis Plant Vascular Gentianopsis crinita Plant Vascular Glyceria laxa Plant Vascular Grammitis nimbata Plant Vascular Helianthemum bicknellii Plant Vascular Hexalectris spicata Plant Vascular Hierochloe odorata Plant Vascular Houstonia longifolia var. gla Plant Vascular Huperzia appalachiana Plant Vascular Huperzia porophila Plant Vascular Hydrastis canadensis Plant Vascular Hymenophyllum tayloriae Plant Vascular Isotrla medeo/oides Plant Vascular Juniperus communis var. Plant depressa Vascular Liatris aspera Plant Vascular Liatris microcephala Plant Vascular Liatris turgida Plant Vascular Lonicera canadensis Plant Vascular Lysimachia fraseri Plant Wretched Sedge Purple Sedge Rigid Sedge Wood's Sedge American Bittersweet Cuthbert's Turtlehead Bleeding Heart Eastern Shooting Star Purpleleaf Willowherb Glade Spurge Piedmont Aster Queen-of-the-prairie Columbo Fringed Gentian Lax Mannagrass West Indian Dwarf Polypody Plains Sunrose Crested Coralroot Holy Grass bra Granite Dome Bluet SR-L None S3 SR-P None S2 SR-P None S1 SR-P None S2 SR-P None S2? SR-L FSC S3? SR-P None S2 SR-P None S2 SR-P None S2 SR-T FSC S2 SR-T FSC S2 E None S1 SR-P None S2S3 E-SC None S1 SR-P None S1 E FSC S1 SR-P None SH SR-P None S2 E None S1 SR-L None S2 Appalachian Fir-clubmoss SR-P None S2 Rock Fir-clubmoss SR-P None S2 Goldenseal Gorge Filmy Fern Small Whorled Pogonia Dwarf Juniper E-SC None S2 E FSC S1S2 E T S1 SR-D None S1 Rough Blazing Star SR-P None S1 Small-head Blazing Star SR-P None S1 Shale-barren Blazing Star SR-T None S2 American Fly-honeysuckle SR-P None S2 Fraser's Loosestrife E FSC S2 http://207.4.179.3 8/nhp/find.php Page 5 of 8 G3 Macon - Current G4? Macon - Current G4G5 Macon - Current G4 Macon - Current G5 Macon- Historic G3 Macon - Historic G4 Macon - Historic G5T5 Macon- Current G5 Macon - Current G3 Macon - Current G2G3 Macon - Historic G4G5 Macon - Current G5 Macon- Cu ent G5 Macon- Obscure G5 Macon - Historic G4? Macon- Current G5 Macon - Historic G5 Macon - Current G4G5 Macon - Current G4G5T2Q Macon- Current G4G5 Macon - Current G4 Macon - Current G4 Macon - Current G2 Macon - Current G2 Macon - Historic G5T5 Macon- Current G4G5 Macon - Obscure G3G4 Macon - Historic G3 Macon - Current G5 Macon- Current G2 Macon - Current Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link 09/19/05 1 1 1 1 1 1 1 1 1 1 1 1 1 f 1 1 1 NC NHP County Element Search Vascular Marshallia trinervia Broadleaf Barbara's SR-P None SH G3 Plant Buttons Vascular Monotropsis odorata Sweet Pinesap SR-T FSC S3 G3 Plant Vascular Oenothera perennis Perennial Sundrops SR-P None S2 G5 Plant Vascular Packera millefolium Divided-leaf Ragwort T FSC S2 G2 Plant Vascular Parthenium auriculatum Glade Wild Quinine SR-T None S1 G3? Plant Vascular Pedicularis lanceolata Swamp Lousewort SR-P None S1 G5 Plant Vascular phegopteris connectilis Northern Beech Fem SR-P None S1 G5 Plant Vascular Platanthera flava var. herbiola Northern Green Orchid SR-P None S1? G4T4Q Plant Vascular grandiflora Platanfhera Large Purple-fringed Orchid SR-P None S2 G5 Plant Vascular Platanthera peramoena Purple Fringeless Orchid SR-P None S1 G5 Plant Ii, Vascular Poa palustris Swamp Bluegrass SR-P None S1 G5 Plant Vascular Prenanthes roanensis Roan Rattlesnakeroot SR-L None S3 G3 Plant Vascular Pycnanthemum torrei Torrey's Mountain-mint SR-T FSC S1 G2 Plant Vascular Rhododendron cumberiandense Cumberland Azalea SR-P None S1 G4? Plant Vascular Rhododendron vaseyi Pink-shell Azalea SR-L None S3 G3 Plant Vascular Robinia hartwegii Hartwig's Locust SR-L None S1 G3T1 Plant Vascular Saxifraga caroliniana Carolina Saxifrage SR-T FSC S2 G2 Plant Vascular Sedum glaucophyllum Cliff Stonecrop SR-P None S2 G4 Plant Vascular Silene ovata Mountain Catchfly SR-T FSC S3 G3 Plant Vascular Solidago rigida ssp. rigida Prairie Bold Goldenrod SR-P None S1 G5T5 Plant Vascular Solidago simulans Granite Dome Goldenrod SR-L FSC S1 G1 Plant Vascular Solidago uliginosa Bog Goldenrod SR None S1S2 G4G5 Plant Vascular Spiraea virginiana Virginia Spiraea E T S1 G2 Plant Vascular Streptopus amplexifolius White Mandarin SR-P None S1 G5 Plant Vascular Thermopsis fraxinifolia Ash-leaved Golden-banner SR-T None S2? G3? Plant Vascular Trichomanes boschianum Appalachian Filmy-fern T None S1 G4 Plant Vascular Trichomanes petersii Dwarf Filmy-fem T None S1 G4G5 Plant Vascular Trillium simile Sweet White Trillium SR-L None S2 G3 Plant Vascular Viola appalachiensis Appalachian Violet SR-T None S2 G3 Plant Vertebrate Aegolius acadicus pop. 1 Southern Appalachian Northern Saw-whet Owl T FSC S2B,S2N GSTNR Animal Vertebrate Aimophila aestiva/is Bachman's Sparrow SC FSC S3B,S 2N G3 Animal http://207.4.179.3 8/nhp/find-php Page 6 of 8 Macon - Obscure Macon - Obscure Macon - Current Macon - Current Macon - Historic Macon - Historic Macon - Current Macon - Historic Macon - Current Macon - Historic Macon - Obscure Macon - Current Macon - Historic Macon - Current Macon - Current Macon - Current Macon - Obscure Macon - Current Macon - Current Macon - Current Macon - Current Macon - Current Macon - Current Macon - Historic Macon - Current Macon - Current Macon - Current Macon - Current Macon - Current Macon - Current Macon - Historic Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link 09/19/05 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 NC NHP County Element Search Vertebrate Ambystoma talpoideum Mole Salamander SC None S2 Animal Vertebrate Aneides aeneus Green Salamander E FSC S2 j Animal Vertebrate Clinostomus funduloides ssp. 1 Little Tennessee River Rosyside Dace SC FSC S2 Animal Vertebrate Contopus cooperi olive-sided Flycatcher SC FSC SUB Animal Vertebrate Corynorhinus rafinesquii Rafinesque's Big-eared T FSC S2 Animal rafinesquii Bat - Mountain Subspecies Vertebrate Crotalus horridus Timber Rattlesnake SC None S3 Animal Vertebrate Cryptobranchus alleganiensis Hellbender SC FSC S3 Animal Vertebrate Cyprinella monacha Spotfin Chub T T S1 Animal Vertebrate Dendroica cerulea Cerulean Warbler SR FSC S2B Animal Vertebrate Desmognathus aeneus Seepage Salamander SR FSC S3 Animal Vertebrate Desmognathus wrightl Pigmy Salamander SR None S3 Animal Vertebrate Etheostoma inscriptum Turquoise Darter PCn None S1 Animal Vertebrate Etheostoma vulneratum Wounded Darter SC FSC S2 Animal Vertebrate Eurycea longicauda Longtail Salamander SC None S2 Animal Vertebrate G/yptemys muhlenbergii Bog Turtle T T(S/A) S2 Animal Vertebrate Hemidactylium scutatum Four-toed Salamander SC None S3 Animal S2? Vertebrate Lasionycteris noctivagans Silver-haired Bat SR None B,S4N Animal Vertebrate Luxilus chrysocephalus Striped Shiner T (PSC) None S2 Animal Vertebrate Microtus chrotorrhinus Southern Rock Vole Sc FSC S3 Animal carohnensis Vertebrate Moxostoma sp. 1 Sicklefin Redhorse (P (P-? FSC S2 Animal Vertebrate Myotis leibii Eastern Small-footed i SC FSC SUB,: Animal Myot s Vertebrate Northern Long-eared SC None S3 Animal ona Myotis septen Myotis Eastern Woodrat - Vertebrate Neotoma floddana haematoreia Southern Appalachian SC Animal Population Vertebrate Notropis lutipinnis Yellowfin Shiner SC Animal Vertebrate percina squamata Olive Darter SC Animal Vertebrate Sciuras niger Eastern Fox Squirrel SR Animal Vertebrate Sorex dispar Long-tailed Shrew SC Animal Vertebrate Sorex palustris punctulatus Southern Water Shrew Sc Animal Vertebrate Sphyrapicus varius Appalachian Yellow-bellied SC Animal appalachiensis Sapsucker Vertebrate Sy/vilagus transitionalis New England Cottontail SR Animal lis tri Thryomanes bewickii altus Appalachian Bewick's E Vertebrate http://207.4.179.3 8/nhp/find-php FSC S3 None S3 FSC S2 None S3 None S2 FSC S2 Page 7 of 8 G5 Macon - Current G3G4 Macon - Current G5T3Q Macon - Current G4 Macon - Historic G3G4TNR Macon - Current G4 Macon - Current G3G4 Macon - Current G2 Macon - Current G4 Macon - Current G3G4 Macon - Current G3G4 Macon - Current G4 Macon - Current G3 Macon - Cwent G5 =n- Current G3 Macon - Current G5 Macon - Current G5 Macon - Historic G5 Macon - Current G4T3 Macon- Current G3 Macon - Current I. G3 Macon - Current G4 Macon- Current G5T4Q Macon - Current G4Q Macon - Current G3 Macon - Current G5 Macon - Historic G4 Macon- Current G5T3 Macon - Current Macon - Link Link FSC S3B,S5N GSTNR C t Link urren None SNA G4 Macon - Current Link Link Link Link Link Link Link Link FSC SHB G5T2Q Macon - 09/19/0 Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link Link NC NHP County Element Search Page 8 of 8 Wren Historic Animal Vertebrate Vermivora pinus Blue-winged Warbler SR None S2B G5 Macon - Current Link Animal None S2B G5 Vertebrate Vireo gilvus Warbling Vireo SR Macon - Link Historic - Animal '- NC NHP database updated: July, 2005. Search performed on Monday, 19 September 2005 @ 08:35:06 EDST Explanation of Codes i I 1 4.179.38/nhp/find.php ://207 htt 09!19/05 . p IZY x W ? r -4 J N w? for 'fr. n? •? 4/ C) 'tY tt > •n,. 1- . 1'l1 aatll?ll???? O + - } ????` ? 1, '? ?? v •?? • ? •• y? V) C? U Ti4 Itt i U L Uo w z 0 WZN Ur N ?e-I Q Ewa ~z00 UZN 00 Z W U z 0 ?w V) Z 0-4 Q,?w w W? ?I Q 00 Z? V1 .P W N p W W -l 0 0? W N. N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ' 0 m m m 'o "o 0?? 0 0 C7 *00 *x n D Z T Z n x x x x x 0 m m w w x x x m x m -r, m 50 OOOOOzmmm mm?m x m ?c?cncnv-ocnDDmmm m mv_m D?AXm Z 0 O O T T T T T T r 7o Ozzzmmcvv000 00p0 cnm0 co 000000mmmmm mmmm=0;u _ n z z z„ m 0 n n m m m m m n m -? m m -I --I --I m T z D m r 0;o ;u ;o Z D '? r r r r r -v r -p 9 0 z rc-000=?p00mmm m m 0 m z-0 p m?vvvaOmzzzwo0 00zcn0-? c_ rn Z n X 'oDD D?=? 2DDD DD=D G)Z 0 0 0-- -I 0 --I z D z m O z z z z z O z 0 O N) O N z 0 v Z N OWD w .46 Z== ?_ O 0 0o0 0 o0 o CD CD Cu °0 0 m z = z D 00 0 0 0 0 D D 4-P, W ?! W N 'o W + + co + ° r' ul a O O O O 0 0 0 0 0 O 0 z v m D cn JOB "°•' 03309 OCTOBER MACON COUNTY EWP ' cf) DATE: OCTOOBER 2005 SCALE NOT TO SCALE - = PEEKS CREEK DESIGNED BY. DP PEEKS CREEK - DSR ##2 -, m CADD BY., KS McG m INDEX DESIGN RENEW CONST. RENEW: A S S O C I A T E S ENGINEERING-PLANNING -FINANCE MACON COUNTY \0530Y-Ind.z. 55 BROAD STREET ASHEVILLE, NC PH. (828) 252-0575 O D IIV O _ Z O or Z .??at 1 i t, . 1\ V (TcL 1 1 ? 1:- ) / ? ?s!??' fi?l •(?t Cam` .'?:? t. 1? 1l 5 00 Or ?? `\\. ? ?-\;` ?V\.. ` I \\. ter.. ??r J- -- •_ • ? a A _r3iZ ?m C) C, r 0 7 an ,ML 1. 1 i! to C) rj Ln OD 11x • n 1 r M b r, \\ O DATE, OCTOBER 2005 M A C O N COUNTY E W P SCALE 1"1000' r = PEEKS CREEK DESIGNED BY. DP PEEKS CREEK - DSR #2 m LOCATION PLAN ESN RE EW: CONST. REVIEW. ' McG05309\Ncul-Delta\Pss4ca _ \05309-Loeotlon-Plan.deq. A S S O C I A T E S MACON COUNTY ENGINEERING -PLANNING -FINANCE 55 BROAD STREET ASHEVILLE. NC PH. (828) 252-0575 r1 z C7 z ° _l m > zD m ?m O r D O = ° ? I?1 T N M 0 u - N) - O 70 ? -n pf D I,.r1 m z m o m? m cc 0 0 C,o < F71 . • \ p• A •• O ._ o N OR. - V) m• - D - cD _ O li ft\\\' WE AWE OCTOBER R 2005 MACON COUNTY EWP McGm I1'-300' = PEEKS CREEK DESIGNED BY. DP PEEKS CREEK - DSR #2 m INFRARED SITE MAPPING DESIGN R R KS CADD BY: DESIGN MACON COUNTY A S S OCI A T E S coNST.REwEw: ENGINEERING•PLANNING•FINANCE CGiI-Dwgs/Pwlu/ 55 BROAD STREET ASHEVILLE. NC PH. (828) 252-0575 -I 05309-A11-N In ,dw . D D C) m o 70 Z D O = C Z O ? ?o O c? co c/) D • Z ° m m ° v D ? ;;o O Z D m D r D m cj? m = N n 0 O O) O O o n > 'Y7' .?9 CD r - w ??0 1 i JOB NO.: 05309 DATE OCTOBER 2005 MACON COUNTY EWP • : " ' V, = PEEKS CREEK SCALE: 1 300 DESIGNED BY: DP PEEKS CREEK - DSR #2 McG m m N AERIAL SITE MAPPING CADD BY: KS DESIGN REV EW: CONST.REVIEW: MACON COUNTY ENGINEERING PLOANNIN F D5309\M wga k INANCE G- 14 \05308-M2-61 Nopping.d .dwq. 55 BROAD STREET ASHEVILLE. NC PH. 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FT1 0 c? rrn O cf) r?1 o cn Fri r _T?Dx //%/?_ - ice' _ l 1I\\\ ?\ \V 1 0 ? !r 1 1 v:=? ? ? ?Nz JOB- NO.: 05309 OCTOBER BER 2005 DATE O MACON COUNTY EWP • r PEEKS CREEK : SCAB: x DESIGNED B'- Y: 30' DP PEEKS CREEK - DSR #2 McG m CREEK CENTERLINE CADD BY. KS M STATION 22+00 TO 26+00 DESIGN REVIEW: CONST. REVIEW: MACON COUNTY A S S O CIA T E S ENGINEERING •PLANNING -FINANCE 05309\NcGNI-Dwge/Peeke/ 55 BROAD STREET ASHEVILLE NC PH 828 0575 252 05309-Peeks-Ct,C2.dwg , ) . ( - p ;0 T n0? Z p ? > G2 C A D Zn TD= Z z m r O C D n O Z O z O Z r m 0W0X 2DO'?o z 7 C/) cn z C -I '.{ D C rm N DK?? Z --IIDo Om?? x00 G?DppN o p0? rn K Z mom z In z G) O p Z 0-1 Tm _m r rx Z O O -I < p X ? rn O m ?o z O ???II III, e) clelom m W c? i A ` ?I .y s: JOB NO.: 05309 DATE OCTOBER 2005 M AC O N COUNTY E W P r PEEKS CREEK DESIN NOT SCALE PEEKS CREEK - DSR #2 McGm 2 DESIGNED BY: : DP N m REPAIR DESCRIPT;OP,! CADD BY: KS -? PHOTOGRAPH; CONST. RENEW: A S S O C I A T E S (n DESIGN REVIEW: MACON COUNTY ENGINEERING -PLANNING FINANCE \053 0530 9099MCGAI- Pk.-C1./g..C2dra /Peeks/ 55 BROAD STREET ASHEVILLE. NC PH. (828) 252-0575 ! oz -n W F O A? ;o rn P z O 0 * 2 00 2 M D Z ? m r Z . bm Fm ,Zr1 i>om m,?8 zN ?°- M (D A m x z c? o r c? rn n O r- cn x F71 -j D z K G, p `? _ • _o ;fib ? m W? 0 _ °????n Z<?m. QN?I N Ci w m+ N in ? D 0 ? 00 co m v -1 JOB NO.: .' O05309 CTOBER DATE: 8 2005 MACON COUNTY EWP • DA PEEKS CREEK: SCALE: ''-Y DESIGNED BY: : DP PEEKS CREEK - DSR #2 McG m CREEK CENTERLINE CADD BY: KS STATION 26+00 TO 30+OC CCNST. REVIEW: m DESIGN REV EW: MACON COUNTY ASS ° c r a T E S i_o?./P?./ ENGINEGRING•PLANNING•FINANCE ,r-, r_.c :-C1dva 55 BROAD S"IPEII I ASHEVILLE. NC PH. (828) 252-0575 all 2L ?m IC ill/li i?? \ i I 1 `_ ? •;; ??_???` ? ? S m D v rn O 58 m O O /X rn 1 D /%?/// / I\\\\____1 lllUll Z p/47',/?/ p 11%?ll? / //?f Il 11 I ll??lll_/ /j/,/ '?l \\ g/z ,, ll?l?lvI octz-, P ,x/111 I ?.? ?? ? jlll ? 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C:) ;u m O D_ 29o o+m 500 Z O Z 0 E ?d /NP S r T CS 34 -?, 0 0 J06 NO.: 05309 DATE: OCTOBER BER 2005 r'IACON COUNTY EWP • r PEEKS CREED SCAB: BY: DESIGNED D Y: DP PEEKS CREEK - DSR #2 McG m m CREEK CENTERLINE CADD BY: KS DESIGN REVIEW: -? STATION 30+00 TO 34+00 CONST. REVEW MACON COUNTY A S S O C I A T E ENGINEERING•PLANNING•FINANCE D5309?IIcG1I-Drq./Pe.k./ \0530fl Ps.k.-C4.dw. 55 BROAD STREET ASHEVILLE, NC PH. (828) 252-0575 00+t? `ViS 3NI?dliN30 Ad3?J1S -?3 1]] HS I N I? HOiV A m x z O m O C z 0 0 z 00m mz?o I T? ? ? I I \ ill \ 7, W \ f / \\ `? III 1 \\\ DOWN (6 J mLg Z? C) / A / o°// // /? / I I 1 \ \ \ Qti Doti (A U) / 1 I / - /( II i \\ m --I m>0 mWQ \ / i I I >o® rr1 m O X ?Ijlll ( \ C)w - J III \ ha m CA/ °? I\\ 0 46 0 ;,A LI) -0 co Z n / '1 / +/ v Z m m D o li; Ali - 11? \ I I 0) mWO D ?; //Illl? III\I?, 1 -4 (n D+v o4i /' r?ll('?? III 111111 \ z ?vi? v?? / / ?? I/ z alilll ?\ O / / \ _In D ??/?%` ?? II II ?l I \?y1 00 -v + 1>• p ,'yam; c" m A = v cn 0 MATCH LINE SHEET C6 ip a_ z =:11 STREAM CENTERLINE STA. 38+00 z 0 Cn m -I x D cn ?z c C? m N 00 K Cn 7 cl? Lnn O cn m + m --? x m co * Fri ??z ? J F- + m - ? -TI o cn cn (-) o n ? m x m c/) x Cn z c? o cf) m O m ,I D J m D O Cn m m -I x D Cn ? FTI?z m+? M CD N C7 cn m ?x D (n ?z N ? ?z O? Dn CA ? JOB NO.: 05309 1 DAM' ' OCTOBER BER 2005 MACON COUNTY EWP O In Cn PEEKS CREEk: SCAB: =3 DESIGNED BY: : DP PEEKS CREEK - DSR #2 McG m CREEK CENTERLINE CADD BY: KS -? STATION 34+00 TO 33-,_0 CONST. REVIEW: A S S O C I A T E S c.n m DESIGN REVIEW: MACON COUNTY 053o9?uoccl-owgs/Peek./ ENGINEERING•PLANNING •FINANCE \05309-Peek.-C5.dwa 55 BROAD STREET ASHEVILLE, NC PH. (828) 252-0575 N\1???N N? ?d \N I S 7, 00 C' 1 ?? v A` `v v Vi 111 \ \? A I M O A/ I\ C ??? ?? A \\ ?? ? r71 1".I ? j 1A \ ;o I 1 1 ,_ I\ \ ?` m _u OD F71 t \ \ I V + ?? \ \ ° r \111\ cr rn m \ 1 I1\?? 1 \\ L11 C-) cf) €?? 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O Z Z JOB NO.: 05309 OCTOEIBER ER 2005 DATE MACON COUNTY EWP • = PEEKS CREEK : SCALE: NOT TO SCALE DESIGNED BY: DP PEEKS CREEK - DSR #2 McG m m -•? REPAIR DESCRIPT10?\l CADD BY: KS DESIGN REVIEW: CONST. REVIEW: MACON COUNTY ASSOCIATES 05309\IAcG4I-ow9s/Pwu/ W09-p-m ENGINEERING -PLANNING -FINANCE 55 BROAD STREET ASHEVILLE, NC PH. (828) 252-0575 :n •t 10 m to > wr ? amb d ^ m D X c w N o (o co -_j 0) cn -P. rn O z + ?I rn w O N Cn N w + 0 cil 0) co --I P O O w O O O O 01 rl) - v 0 O 0 O 0 O O O O O 4-1- 0 w tv 000 J w w O fQ 00 N P U, z (A 01 m Ul 00 U1 4 O Ut O O r m m ° W r O m Z D ? ° O Z c? z D Z 07 C N?-Iaor1Z ?m=Dx? mao-?0 xDOr ?w or -10T Orr K0 Dr 20 r I mDDOKW x-.I cDr D-10 Z=Z 0;u mm 0 -I DKmzO? COO ;r\m D co OZ o D x 4 T O w -u OD w -0 C7 ?O --j-0 O L7 T 'I 0 r1m_Ip D cn X - -? ? Z- om K -? 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Z + N X -q ?Z;uZD orn zr D1V > D DO-0Dm -I -1=pp DmD Alpo >D rnpp;o >DD 0 m =noon m oDOJ 00 M C a'Jw ?+ m-I>0 ? 5r? ? 7\K ? O 0 m 0u)> Z I r =UU 0 DI=rOT1 Zrm1?1 X-r1 X-r1O i ODDMm 11DM ? DO ???m ?; Z O nM D O n70 r1 D O w D =I ? ° zz N IC? x - m - z m->I-Dj?? ;a O?m D? Dam= rn Z I+r? BCD = M -1 D cu U) Z ? _I m 0 r= q) m° I Frl rO Z Moo m -iDG-)= m ZD L7 ZD ZDN P r z O 0 m °-i Xz? IT N Or rn Z- w 0 D DZ o D n ?? ? -Ti -I m 0 i ) m 0 - -1 r Z X 0 O co U1 N-0 O =+mr or - -iQ7C? o>m o ) 0 Z Z DA "°.: 03309 MACO N COUNTY EW P • DATE: OCTOBER 2005 N SCALE NOT TO SCALE = PEEKS CREEK DESIGNED BY: DP PEEKS CREEK - DSR #2 McG REPAIR DESCRIPTION ; s r B R E V I w. A S S O C I A T E S MACON COUNTY ENGINTREERING EET •PL.LANNING E •FINANCE SS BROAD STREET ASHEVII.LE, NC NC PH. (828) 250575 p V c° 00 '0 Q Q a? ° n Q 3 O a c 3 vfl N V 3 0 Q O 3 0 O a o ? < c O -? 0 2 V O A s O 7 1 Q 7 a D 7 O D .0 _V 39 to ° 0 7 tQA r3•r S ?D A W c o. a3 5.'a to 3 00 00 CO °2dw 0. 33 00 G O 03 v 1=0 A ? 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O o CL W N ;? - 3 mac z O 030 C ac ?•0 'v x o • n v O •'' A A o'= z ''z ''' C Q..tQ _ 3 Q z P4. c .•. r a - ,? z 0 Jr a n 0 : e r + 0 W ° m Q0 c RD s? a- 0 t (A o Q ?C 0 0 'a LL C ) C v 3 j ? X a o, 0 F4. O A ° Q a? S Ov A to C O -?. '? i° o • rn,o p a Q 03 6 to ° t . ° rn n ?0 O '~ S 3 a o O ? O A o z O 80 =w 2 3 Q ,Q,r ? C $ 3 n Q 0 O z C O z m M z l ^ W- 0c MW MACON COUNTY EWP ` , co PEEKS CREEK SM& Ksaw NOT u PEEKS CREEK - DSR #2 OMCG M CONSTRUCTION SEQUENCE ENGINEERING•PLANNING•FINA MACON COUNTY ASSOCIATE' 05709WcCU ? ? ? 55 "ROAD STREET ASHF.VIll F. NC. PH. NIR, f*I r m D m N z 0 o, D m A? >w !V O n D A; m 1r - < p ?? O Z ? F A m >, m C s Z 'D ? 0 W c O FFFMMM^^^ mto CX .wj ? 1? 20 ma o? Z Zm Zs g? T M W rn Z N G ? AA 4m o m m m rn 8 2 o 2 A m m O A O v X rn 2 m m o 90 N r" !R m to -n ? n rm w a z Z g 0 $ a A m N K s Z z .X m s m _ A In m s 4 D -I O 0 % at C) (0,>_ a ? 0. Q^ n m PEEKS CREEK m PROPOSED REPAIR OF m z Z ?Z8 Z mm r?>> ?Z x? ?rn m< N U "°° °"°° o?Ie a COUNTY EWP roeae zoos MACON IWT TO M" or SO" PEEKS CREEK - DSR #2 CAW W. a cow. ftwo osao9V?-o.rio«a/ w' MACON COUNTY. xU9-wds-oQC+ .Ct d? N !3 A ;a 1= G N A ? O Z m • 0McG ASSOCIATE ENGINEERING -PLANNING -FIN A' %5 RRAAD STRRPT ASHBVILLE, NC PH. iA?A` s a z 0 s so M N A G7 S 2 A z P4 ?• rr pp r O m rn m y a Z D ? x v I r4i rrl A p N r.1 m m L/ A .fi O g m ca N G ? i r - rn A, N Z O r0 z O ., 8 a o? D F N o.. o m .e oa N 0. e? 0 0 ix, a car • _ w 2 ? ' ? ` i ?? •? ? ` ,''?? W v rrrrrtlr? ? D m < N W r D 2 g ?"°` °5 PEEKS CREEK EXAM OCTOM 2005 MACON COUNTY EWP CA SCAU: WT TO DID m PROPOSED FRENCH DRAIN PEEKS CREEK - DSR #2 C40 Or KS m AND TOE °EW I&'*" STABILIZATION DETAILS,...., MACON COUNTY \x9-thAs-d0.L7t.t TI X m z 0 v Z v m _D r D A A N O Zy 47 log a1 A rn $Z w r m? -n 2 2z N_ <_?Z.t v x N x O r N O,McG ASSOCIATE' ENGINEERING -PLANNING - FIN Ay SS BROAD STREET .\SHEVU.l E. 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HOT TO SCALE PEEKS CREEK - DSR #2 0mcG M EROSION CONTROL CAW 1W. KS m ACON COUNTY ASSOCIATE r DETAILS II ?`^0et ENGINEERING •PLANNING•FINAF ow'?nlnina 55 RROAD STREET 15HP.VIL11?, NC PH. (9?8) " rn z rn C= cl; l- ;70= F-nq o2n Dn K_ z Or- -n CO po rn n O -m-? N v D v m r m m m v R %% %% _o.fi ob -may: :n w Rw 2 oz r>- 0 rn m59 > >? r M,,Z 31 00 0 O D =z? m xmr ?U)= ma ? F z w rrl x°i o °Rc N 0 (A C N G D m F D O moo No: m q c AD m 2?O X z z- z -0 F? Am 00 NZINTI0 urnOrj* O 1 C.. D D Z Z D D a >m m °-4 O ; G 0 v ;vz rmr v 50 -c ma rrn.?>0 SN82c m 0E`E ;a4-o Z. DN a -0 r a r4n -p m ?? m;a 50 > imoo °NZx 1 v fil mZzg D??q ?mC.) -nyg? D cm ZmZ> ?-1 z 0 0ch> 2>Z D€F mc? i4 o ?vrs1 vo z O N ;;a rrl 02 ?N>> O2°2 m O N >;g <> Fa M rZD? Av?ur?+ I _0 N A C z z f > CA -< Z v Z N a r? v ?o rri ?r z ?N 2 m w Ij W mn m ?n D D M A II=1 II 0 \ II I z / CA Z- U n ?i I III ? I I I O L. Z / IIIIIII D? cn r. 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Npz x70=r- ?n zT??y ?p a>v zf_ N :rn y ?4 z D rn 1 v T?1 ,qk N (n V(t o. 1101- 0 0 (? . n+ ,im Na: OSl00 DATE: OCiOBEIt 2M = PEEKS CREEK SCAM NOT M sc" Mom or w M PLANTING SCHEDULE CAW Or K ? 4 & PLANTING DETAILS cow. Ar-we - 70 0 r- I- l rn z F n rn z v N 0 -o rn 70 CA rn z n N c - 70 N t"tl 0 z rn D p D in ° r'n Fcrnn ?NI1?O ril ul a] p rn c: Nr=np >N0 -C 4 rn N0 z 0Nrn a]UNX app oa]o <O- ar<n0 03 - < Q D U1 Lu D zr-- Z rn G) 70 p? Drn F N D? ON G7 .? 0° A0 7o Z DN -? 70 o u rn7- O O rn Z rn py N O z Z Z 9 A z rl r N c 0 D cn D D N D N C C o A Z O r C7 N D Z z D D y D D D ? v rn rn r D W v 0 O r rn 7, C N M D w rn O Z M r rn .? _ % x v z x _ m r v v v v v v v v W 1 - ° v v > ? M M m m m m m m m rrl O O O O O O O O -4 -4 m N N N N N N N N N Unc()z O i_ C -E7oOO nZurn rn Q0 zDrn Fn N N?O QCuO? rn ?rn? 03 Z (J) rn o ? Orn ?rnrn ON a CJN ma rn p 03 z <O - rn < N p!?X .03 < N > N77r-n 0D z> r-z 70 O MACON COUNTY EWP PEEKS CREEK - DSR #2 MACON COUNTY x ? Z p v Or Zm N m Sx ?D D 0 CA z >O ?r ??> OA - -0 v O Zo ? cz D C z Drn r 0 ?Z rn n o z W Z i v D zr Dvl DC cn (n K D m D x s c rn ;K = 0 0 v ox ;o D -jx D 0 oO v v xx 0O xx z;o O O O M Z Or- mD rnx ?N x- DD W?5 rnD Z v rnv M M KZ > v O O Z m v ? v ? o v I all m v o ? ? ? ? ? ; co rn m rn r*r rn rn N 0 0 0 0 0 0 ? ? ? N m 0 0 0 0 0 0 M M m m m m v v v v v v rn x- iv D D D D D co D X D A X A A ? ;a D rri D z i u z z Z z Ro z s? M m m m m n n n n n x x x x x O,McG A S S O C I A T E ENGINEERING•PLANNING•FINA' SS HROAD STRWr MEVILLE. VC PH. (918`