VALLEY ELDERBERRY LONGHORN BEETLE MANAGEMENT PLAN

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Valley Elderberry Longhorn Beetle Management PlanFERC Project Nos. 2085, 2175, 67 and 120VALLEY ELDERBERRY LONGHORN BEETLEMANAGEMENT PLANBIG CREEK HYDROELECTRIC SYSTEMMAMMOTH POOL (FERC Project No. 2085)BIG CREEK Nos. 1 AND 2 (FERC Project No. 2175)BIG CREEK Nos. 2A, 8, AND EASTWOOD (FERC Project No. 67)BIG CREEK No. 3 (FERC Project No. 120)FEBRUARY 2007SUBMITTED BYSOUTHERN CALIFORNIA EDISON COMPANYCopyright 2007 by Southern California Edison CompanyFebruary 2007

Valley Elderberry Longhorn Beetle Management PlanFERC Project Nos. 2085, 2175, 67 and 120TABLE OF CONTENTSPage1.0INTRODUCTION .11.1Preparation of the VELB Management Plan .11.1.1 Location of VELB and Their Habitat2.0MANAGEMENT ACTIVITIES .22.12.23.01Vegetation Management.22.1.1 Vegetation Trimming by Hand22.1.2 Vegetation Trimming with Equipment32.1.3 Herbicide Application3Road Maintenance.3AVOIDANCE AND PROTECTION MEASURES .43.13.2Measures .43.1.1 Protected Areas43.1.2 Vegetation Control43.1.3 Road Grading5SCE Programs.53.2.1 Endangered Species Alert Program53.2.2 Northern Hydro Special-status Species Information Program54.05.03.2.3 Environmental Training Program53.2.4 Compliance Program6IMPACTS ANALYSIS .74.1Methods .74.2Results.8MITIGATION AND MITIGATION/RESOURCE MONITORING.9Copyright 2007 by Southern California Edison CompanyiFebruary 2007

Valley Elderberry Longhorn Beetle Management Plan5.1FERC Project Nos. 2085, 2175, 67 and 120Mitigation .95.1.1 Proposed Mitigation6.095.1.2 Mitigation/Resource Monitoring and Reporting105.1.3 Success Criteria105.1.4 Survival of Trimmed Shrubs105.1.5 Implementation Schedule11AGENCY CONSULTATION .116.1New Facilities.126.1.1 Identification of Need for Additional Surveys7.012LITERATURE CITED .12List of TablesTable 1.Valley Elderberry Longhorn Beetle Habitat in the Vicinity of the Big CreekProjectsTable 2.New Project Roads at or Below 3,000 Feet in ElevationTable 3.Herbicide and Other Agents Used at the Four Big Creek ProjectsTable 4.Elderberry Shrub Impact Analysis ResultsTable 5.Results SummaryTable 6.Mitigation SummaryList of FiguresFigure 1Elderberry Shrubs to be Trimmed within the Four Big Creek ALP ProjectsCopyright 2007 by Southern California Edison CompanyiiFebruary 2007

Valley Elderberry Longhorn Beetle Management PlanFERC Project Nos. 2085, 2175, 67 and 120List of AttachmentsAttachment AVegetation Management and Road Maintenance at Project Facilitiesand Roads that Support VELB HabitatAttachment BVegetation Management and Road Maintenance at Project Roads NotYet Surveyed for VELB HabitatAttachment CMaterial Safety Data Sheets for Herbicides and Other AgentsAttachment DC1Garlon 4 C2Pathfinder II C3Accord C4Velpar C5Hasten C6R-11 C7In-Place USFWS ConservationLonghorn BeetleCopyright 2007 by Southern California Edison CompanyGuidelinesiiifortheValleyElderberryFebruary 2007

Valley Elderberry Longhorn Beetle Management Plan1.0FERC Project Nos. 2085, 2175, 67 and 120INTRODUCTIONThis Valley Elderberry Longhorn Beetle (VELB) Management Plan (Plan) has beendeveloped for four Southern California Edison (SCE) hydroelectric projects included inthe Big Creek Hydroelectric System, which is located in the Upper San Joaquin RiverWatershed. The Big Creek Hydroelectric System is comprised of four FERC licenses:Mammoth Pool (FERC No. 2085), Big Creek Nos. 1 and 2 (FERC No. 2175), Big CreekNos. 2A, 8, and Eastwood (FERC No. 67), and Big Creek No. 3 (FERC No. 120).These Projects consist of seven powerhouses and four major reservoirs, and have acombined dependable operating capacity of about 890 megawatts (MW).1.1PREPARATION OF THE VELB MANAGEMENT PLANSCE has prepared this Plan in consultation with the U.S. Fish and Wildlife Service(USFWS), United States Department of Agriculture-Forest Service (USDA-FS),California Department of Fish and Game (CDFG) and other stakeholders involved in theBig Creek Alternative Licensing Process (ALP). The Plan was developed to addressVELB management during on-going operations and maintenance of all Project facilities,roads, trails and recreation features of the four Big Creek Projects. This Plan, includingthe specified avoidance, protection, and mitigation measures, will supersede allprevious documents developed by SCE for the four Big Creek Projects. The Plan willbecome effective upon the Federal Energy Regulatory Commission (FERC orCommission) approval.The Draft VELB Management Plan was submitted to agencies and stakeholders onAugust 29, 2005. Comments on the plan were received from USDA-FS and USFWS.1.1.1 Location of VELB and Their HabitatThe presence of VELB and their habitat (defined as elderberry shrubs below 3,000 feetin elevation) within the Project area was determined based on extensive field surveysconducted in the vicinity of the four Big Creek Projects (SCE 2002a; SCE 2003;SCE 2004, and SCE 2005). A total of 572 elderberry shrubs have been identified in thevicinity of the four Projects, 42 shrubs in the Mammoth Pool Project vicinity, 515 in theBig Creek No. 3 Project vicinity, and 15 in the Big Creek Nos. 2A, 8, & Eastwood Projectvicinity. Of these, only 10 shrubs show evidence of potential VELB occupancy, asdetermined by the presence of exit holes (SCE 2002a; SCE 2005). This includes two inthe Mammoth Pool Project vicinity and eight in the Big Creek No. 3 Project vicinity.Table 1 contains a summary of the number of shrubs by project facility or road.Following completion of the surveys, SCE and/or USDA-FS identified additional roads tobe included as Project roads and/or added to the FERC Project boundaries under thenew license. Table 2 provides a list of each of these additional roads occurring at orbelow 3,000 feet in elevation. SCE will survey these roads to determine the location ofpotential VELB habitat (i.e., elderberry shrubs) within one year of FERC approval of thisPlan.Copyright 2007 by Southern California Edison Company1February 2007

Valley Elderberry Longhorn Beetle Management Plan2.0FERC Project Nos. 2085, 2175, 67 and 120MANAGEMENT ACTIVITIESThe implementation of management activities, including vegetation control and roadmaintenance, may result in adverse effects to VELB by trimming or pruning habitat.A summary of vegetation management and road maintenance activities conducted inthe vicinity of the Projects is provided below. Refer to Attachment A for a description ofvegetation management and road maintenance that occur in the vicinity of the four BigCreek Projects where potential VELB habitat is present.2.1VEGETATION MANAGEMENTVegetation management occurs at various locations in the vicinity of the four Big CreekProjects (e.g., Project facilities, roads). SCE conducts vegetation management in thespring and summer in these areas in association with on-going operations andmaintenance. Vegetation management includes trimming of vegetation by hand orequipment and the use of herbicides. Refer to Attachment A for a list of vegetationmanagement activities that occur in areas that support potential VELB habitat.Attachment B provides a list of vegetation management activities that will beimplemented on Project roads that have not yet been surveyed for potential VELBhabitat. These matrices also provide the frequency at which the maintenance activitytypically occurs at a specific location. A description of vegetation management activitiesis provided below. In general, vegetation management activities occur during the springand early summer to avoid work during high fire danger periods. Vegetationmanagement implemented on a regular basis typically occurs one or more times in afive-year period. Activities implemented on an infrequent basis tend to occur at leastonce during a 20-year period, but less than once every five years.The area where vegetation management occurs around Project facilities and alongroads is limited to the area necessary to reduce fire hazard and to provide forworker/public health and safety. Vegetation management generally occurs within 150feet of Project facilities (dams, small and moderate diversions, gaging stations,powerhouses, transmission lines) and within 10 feet on either side of roads.SCE implements a combination of manual, mechanical, and chemical methods tocontrol vegetation in the vicinity of the Big Creek Projects. Selection of an appropriatecontrol method is based on an evaluation of worker/public health and safety, potentialenvironmental effects, effectiveness of methods based on site characteristics, andeconomics. Each control method is summarized below.2.1.1 Vegetation Trimming by HandOne of the methods used to trim vegetation in the vicinity of the Big Creek Projects iswith hand tools. This includes trimming of grasses and forbs with a string trimmer, aswell as removing or trimming of overhanging shrubs and trees with a chain saw or otherhandheld saw. This maintenance activity is implemented on an as-needed basis inconjunction with facility inspections.Copyright 2007 by Southern California Edison Company2February 2007

Valley Elderberry Longhorn Beetle Management PlanFERC Project Nos. 2085, 2175, 67 and 1202.1.2 Vegetation Trimming with EquipmentVegetation in the vicinity of the Projects is also trimmed using mechanical equipment,including a flail-type mower. A flail mower is a cutting device attached to a tractor that isused to cut brush along roadsides. As with trimming of vegetation by hand, this activityis implemented on an as-needed basis.2.1.3 Herbicide ApplicationAfter vegetation has been trimmed by hand or mechanical methods, herbicides mayalso be applied. Two methods of herbicide application are utilized; these include basaland foliar application techniques. Basal application is used for shrub species andincludes cutting of a shrub and applying an oil-based herbicide directly to the stump.Foliar application techniques include hand spraying of an herbicide, with an additive orother agent, to control overspray. The herbicides and other agents used in the vicinityof the four Big Creek Projects are listed in Table 3. The label or Material SafetyDatasheet (MSDS) for each herbicide or other agent is provided as Attachment C. Ifmore effective herbicides become available in the future, SCE will consult with USDAFS and USFWS to obtain permission to substitute the use of herbicides listed inTable 3. The application of all herbicides is completed or supervised by a certifiedpesticide applicator in compliance with the specified herbicide application prescription.Herbicides and other chemical agents used in the vicinity of the four Projects are asfollows:2.2 Garlon 4 and Hasten (a vegetable oil-based additive) are combined andapplied using a basal bark application technique. Garlon 4 and Accord are combined and applied using a foliar applicationtechnique. Accord is used by itself or combined with either R-11 or In-Place andapplied using basal bark and foliar techniques. Pathfinder is used as a spot treatment of individual plants. Velpar is used as a pre-emergent and is applied directly to moist soil to treatgrasses and broad-leaved plants.ROAD MAINTENANCERoad maintenance, including road grading, graveling and paving, occurs along Projectroads at all four Big Creek Projects. Road maintenance activities typically occur duringthe spring and summer on a regular or infrequent basis. As with vegetationmanagement, road maintenance is conducted on a regular basis and typically occursone or more times in a five year period, while maintenance implemented on aninfrequent basis will occur during a 20 year period, but less than once every five years.These road maintenance activities are conducted primarily for improved visibility andCopyright 2007 by Southern California Edison Company3February 2007

Valley Elderberry Longhorn Beetle Management PlanFERC Project Nos. 2085, 2175, 67 and 120therefore, increase safety on narrow mountain roads, and decrease the chance of brushfires being accidentally ignited.3.0AVOIDANCE AND PROTECTION MEASURESThe following measures will be implemented to avoid and protect VELB and theirhabitat. Measures apply only to areas where elderberry shrubs are present below 3,000feet in elevation.3.1MEASURES3.1.1 Protected Areas Each elderberry shrub, or group of shrubs, potentially affected by Project operationor maintenance activities, with one or more stems measuring 1 inch in diameter orgreater ( 1) at ground level, will be flagged prior to implementation of managementactivities. Signage will be installed in areas where elderberry shrubs are known to occur.3.1.2 Vegetation Control No elderberry shrub with one or more stems 1 inch in diameter at ground level willbe removed. No elderberry shrub stems or branches 1 inch in diameter will be trimmed. Annual and biannual vegetation control will only be conducted July through April inareas within 100 feet of elderberry shrubs. No flail-type mower will be used within an elderberry shrub dripline with one or morestems measuring 1 inch in diameter at ground level. Basal bark or foliar techniques will be utilized when herbicide application must occurwithin 100 feet of the dripline of an elderberry shrub with one or more stemsmeasuring 1 in diameter or greater at ground level. Basal application techniquesinclude cutting of a non-elderberry shrub and applying an oil-based herbicidedirectly to the stump. Foliar application techniques include hand spraying of anherbicide, with a deposition/retention additive, to control overspray. The applicationof herbicides will be completed or supervised by a certified pesticide applicator incompliance with the herbicide application prescription. Herbicide application willoccur from July through April on an as-needed basis.Copyright 2007 by Southern California Edison Company4February 2007

Valley Elderberry Longhorn Beetle Management PlanFERC Project Nos. 2085, 2175, 67 and 1203.1.3 Road Grading Non-emergency road grading will be conducted July through April and the use of agrader will be restricted to the road surface and adjacent berms to remove anyeroded material and to maintain roadside berms.3.2SCE PROGRAMSIn addition to the above avoidance and protection measures, SCE also has establishedseveral programs to train personnel on the recognition and avoidance of special-statusresources, including VELB and their habitat, in the vicinity of the four Big CreekProjects. These programs will continue to be implemented during the term of thelicense. Each program is described below.3.2.1 Endangered Species Alert ProgramThe Endangered Species Alert Program (ESAP) was developed to provide SCEpersonnel with a means for identifying when they may be working within an area withthe potential for occurrence of legally protected plants and animal species in the SCEService Territory. This training is conducted on an annual basis. For each of thesespecies within the SCE Service Territory, the ESAP Manual (SCE 2006a) includes aphotograph, description, natural history information, and map showing the species’distribution in relation to SCE facilities. This manual and maps (or GeographicInformation System (GIS) database) are reviewed prior to implementing any project thatinvolves ground disturbing activities within the Project area. Should a proposed activityhave the potential to conflict with a known sensitive species population, SCE’s NorthernHydro Division Environmental Manager, SES, or other qualified personnel will benotified to evaluate the situation and, if needed, coordinate with and obtain appropriatepermits from regulatory agencies.3.2.2 Northern Hydro Special-status Species Information ProgramSCE’s Northern Hydro Division has developed a Special-status Species InformationProgram (NHSSIP) to provide SCE personnel with a means of identifying when theymay be working within an area that could support a Forest Service Sensitive (FSS)species. This Program will require the use of the Environmental Compliance Programdescribed below and will enhance the ESAP described above. This program includes aphotograph or line drawing, description, natural history information, and map showingthe species’ distribution in relation to SCE facilities for all FSS species potentiallyoccurring in the Project vicinity (SCE 2006b).3.2.3 Environmental Training ProgramSCE employees attend environmental training sessions on a regular basis, as well ason an as-needed basis. These training sessions include a review of backgroundmaterial, permit conditions, and instructions on how to avoid impacts to biologicalresources. Project-specific meetings may also be conducted in the field on a job-Copyright 2007 by Southern California Edison Company5February 2007

Valley Elderberry Longhorn Beetle Management PlanFERC Project Nos. 2085, 2175, 67 and 120specific or activity-specific basis to review appropriate maintenance protocols (A/Pmeasures) in environmentally sensitive areas.3.2.4 Compliance ProgramSCE will develop a compliance program that includes a process that must be followedprior to implementation of specific O/M activities. This is a program designed to trackO/M activities implemented, update resource information, and guide personnel inimplementation of O/M activities in compliance with A/P measures developed for the BigCreek Hydroelectric System. The compliance program consists of three components,the Northern Hydroelectric Environmental Compliance Database, GIS Database, andthe Compliance Process, as described below.Northern Hydroelectric Environmental Compliance DatabaseThe Northern Hydroelectric Environmental Compliance Database (ComplianceDatabase) will be developed and integrated with SCE’s existing databases.A component of the database will be designed for tracking the training records of SCEpersonnel, O/M activities that have been planned and completed, and noxious weedpopulations that have been identified and treated. The database will also include all A/Pmeasures associated with this Plan.This database will be queried prior toimplementation of specified O/M activities.Geographic Information System DatabaseSeveral studies have been conducted for the Big Creek Hydroelectric System. Theresults of these studies, data obtained from the USDA-FS Special-status SpeciesDatabase, the CNDDB, and other biological studies were incorporated into a GISdatabase. This information includes the locations of special-status species and theirhabitats, noxious weed population, and cultural resources in the vicinity of the Project.Because of the sensitive nature of the locations of some special-status species andcultural resources, some GIS data layers are confidential. Therefore, access to theselayers will be limited to SCE employees who are trained in the sensitivity and proper useof the information.Updating GIS DatabaseThe GIS database will be evaluated annually during the term of the license to determineif updates are needed. Prior to updating the databa

Valley Elderberry Longhorn Beetle Management Plan FERC Project Nos. 2085, 2175, 67 and 120 . transmission lines) and within 10 feet on either side of roads. SCE implements a combination of manual, mechanical, and chemical methods to . well as removing or trimming of overhanging shrubs and trees with a chain saw or other

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