upland erosion control, revegetation, and · conservation authorities or land management agencies...
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UPLAND EROSION CONTROL,
REVEGETATION, AND
MAINTENANCE PLAN
Federal energy regulatory Commission
oFFiCe oF energy ProjeCts
Table of Contents
I. ApplIcAbIlIty.......................................................1II. SupervISIonAndInSpectIon ................................... 3 A. environmental insPeCtion......................................3 B. resPonsibilities oF environmental insPeCtors...3III.preconStructIonplAnnIng.................................7 A. ConstruCtion work areas ................................7 B. drain tile and irrigation systems .....................7 C. grazing deFerment ...........................................8 D. road Crossings and aCCess Points ....................8 E. disPosal Planning ............................................8 F. agenCy Coordination .......................................9 G. sPill Prevention and resPonse ProCedures .....10 H. residential ConstruCtion ...............................10 I. winter ConstruCtion Plans ............................10IV. InStAllAtIon ...........................................................11 A. aPProved areas oF disturbanCe...........................11 B. toPsoil segregation..............................................13 C. drain tiles...............................................................14 D. irrigation................................................................15 E. road Crossings and aCCess Points.....................15 F. temPorary erosion Control...............................15 1. TemporarySlopeBreakers.................................... 16 2. TemporaryTrenchPlugs....................................... 17 3. SedimentBarriers................................................... 17 4. Mulch...................................................................... 18
V. reStorAtIon .......................................................... 20 A. CleanuP.................................................................... 20 B. Permanent erosion Control deviCes..................21 1. TrenchBreakers.............................................................. 21 2. PermanentSlopeBreakers............................................22 C.soil ComPaCtion mitigation.................................24 D.revegetation............................................................24 1. General...........................................................................24 2. SoilAdditives.................................................................25 3. SeedingRequirements...................................................25
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I.aPPliCability
A. TheintentofthisPlanistoassistprojectsponsorsbyidentifyingbaselinemitigationmeasuresforminimizingerosionandenhancingrevegetation.ProjectsponsorsshallspecifyintheirapplicationsforanewFERCauthorizationandinpriornoticeandadvancenoticefilings,anyindividualmeasuresinthisPlantheyconsiderunnecessary,technicallyinfeasible,orunsuitableduetolocalconditionsandfullydescribeanyalternativemeasurestheywoulduse.Projectsponsorsshallalsoexplainhowthosealternativemeasureswouldachieveacomparablelevelofmitigation.
Onceaprojectisauthorized,projectsponsorscanrequestfurtherchangesasvariancestothemeasuresinthisPlan(ortheapplicant’sapprovedplan).TheDirectoroftheOfficeofEnergyProjects(Director)willconsiderapprovalofvariancesupontheprojectsponsor’swrittenrequest,iftheDirectoragreesthatavariance:
1. providesequalorbetterenvironmentalprotection;
2. isnecessarybecauseaportionofthisPlanisinfeasibleorunworkablebasedonproject-specificconditions;or
3. isspecificallyrequiredinwritingbyanotherfederal,state,orNativeAmericanlandmanagementagencyfortheportionoftheprojectonitslandorunderitsjurisdiction.
VI. off-roAdvehIclecontrol .................................27
VII. poSt-conStructIonActIvItIeSAndreportIng ..27 A.monitoring and maintenanCe............................ 27 B.rePorting................................................................. 29
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II.suPervision and insPeCtion
A. ENVIRONMENTAL INSPECTION 1. AtleastoneEnvironmentalInspectorisrequiredfor
eachconstructionspreadduringconstructionandrestoration(asdefinedbysectionV).ThenumberandexperienceofEnvironmentalInspectorsassignedtoeachconstructionspreadshallbeappropriateforthelengthoftheconstructionspreadandthenumber/significanceofresourcesaffected.
2. EnvironmentalInspectorsshallhavepeerstatuswithallotheractivityinspectors.
3. EnvironmentalInspectorsshallhavetheauthoritytostopactivitiesthatviolatetheenvironmentalconditionsoftheFERC’sOrders,stipulationsofotherenvironmentalpermitsorapprovals,orlandownereasementagreements;andtoorderappropriatecorrectiveaction.
B. RESPONSIBILITIES OF ENVIRONMENTAL INSPECTORS
Ataminimum,theEnvironmentalInspector(s)shallberesponsiblefor:
1. InspectingconstructionactivitiesforcompliancewiththerequirementsofthisPlan,theProcedures,theenvironmentalconditionsoftheFERC’sOrders,themitigationmeasuresproposedbytheproject
SponsorsofprojectsplannedforconstructionundertheautomaticauthorizationprovisionsintheFERC’sregulationsmustreceivewrittenapprovalforanyvariancesinadvanceofconstruction.
Project-relatedimpactsonwetlandandwaterbodysystemsareaddressedinthestaff’sWetlandandWaterbodyConstructionandMitigationProcedures(Procedures).
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dewateringactivitiesifsuchdepositionisoccurringandensuringthedesignofthedischargeischangedtopreventreoccurrence;andverifyingthatdewateringstructuresareremovedaftercompletionofdewateringactivities;
8. Ensuringthatsubsoilandtopsoilaretestedinagriculturalandresidentialareastomeasurecompactionanddeterminetheneedforcorrectiveaction;
9. AdvisingtheChiefConstructionInspectorwhenenvironmentalconditions(suchaswetweatherorfrozensoils)makeitadvisabletorestrictordelayconstructionactivitiestoavoidtopsoilmixingorexcessivecompaction;
10. Ensuringrestorationofcontoursandtopsoil;
11. Verifyingthatthesoilsimportedforagriculturalorresidentialusearecertifiedasfreeofnoxiousweedsandsoilpests,unlessotherwiseapprovedbythelandowner;
12. Ensuringthaterosioncontroldevicesareproperlyinstalledtopreventsedimentflowintosensitiveenvironmentalresourceareas(e.g.,wetlands,waterbodies,culturalresourcesites,andsensitivespecieshabitats)andontoroads,anddeterminingtheneedforadditionalerosioncontroldevices;
13. Inspectingandensuringthemaintenanceoftemporaryerosioncontrolmeasuresatleast:
a. onadailybasisinareasofactiveconstructionor
sponsor(asapprovedand/ormodifiedbytheOrder),otherenvironmentalpermitsandapprovals,andenvironmentalrequirementsinlandownereasementagreements.
2. Identifying,documenting,andoverseeingcorrectiveactions,asnecessarytobringanactivitybackintocompliance;
3. Verifyingthatthelimitsofauthorizedconstructionworkareasandlocationsofaccessroadsarevisiblymarkedbeforeclearing,andmaintainedthroughoutconstruction;
4. Verifyingthelocationofsignsandhighlyvisibleflaggingmarkingtheboundariesofsensitiveresourceareas,waterbodies,wetlands,orareaswithspecialrequirementsalongtheconstructionworkarea;
5. Identifyingerosion/sedimentcontrolandsoilstabilizationneedsinallareas;
6. Ensuringthatthedesignofslopebreakerswillnotcauseerosionordirectwaterintosensitiveenvironmentalresourceareas,includingculturalresourcesites,wetlands,waterbodies,andsensitivespecieshabitats;
7. Verifyingthatdewateringactivitiesareproperlymonitoredanddonotresultinthedepositionofsand,silt,and/orsedimentintosensitiveenvironmentalresourceareas,includingwetlands,waterbodies,culturalresourcesites,andsensitivespecieshabitats;stopping
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III. PreConstruCtion Planning Theprojectsponsorshalldothefollowingbefore
construction:
A. CONSTRUCTION WORK AREAS 1. Identifyallconstructionworkareas(e.g.,construction
right-of-way,extraworkspaceareas,pipestorageandcontractoryards,borrowanddisposalareas,accessroads)thatwouldbeneededforsafeconstruction.Theprojectsponsormustensurethatappropriateculturalresourcesandbiologicalsurveysareconducted,asdeterminednecessarybytheappropriatefederalandstateagencies.
2. Projectsponsorsareencouragedtoconsiderexpandinganyrequiredculturalresourcesandendangeredspeciessurveysinanticipationoftheneedforactivitiesoutsideofauthorizedworkareas.
3. Planconstructionsequencingtolimittheamountanddurationofopentrenchsections,asnecessary,topreventexcessiveerosionorsedimentflowintosensitiveenvironmentalresourceareas.
B. DRAIN TILE AND IRRIGATION SYSTEMS
1. Attempttolocateexistingdraintilesandirrigationsystems.
2. Contactlandownersandlocalsoilconservation
equipmentoperation;
b. onaweeklybasisinareaswithnoconstructionorequipmentoperation;and
c. within24hoursofeach0.5inchofrainfall;
14. Ensuringtherepairofallineffectivetemporaryerosioncontrolmeasureswithin24hoursofidentification,orassoonasconditionsallowifcompliancewiththistimeframewouldresultingreaterenvironmentalimpacts;
15. KeepingrecordsofcompliancewiththeenvironmentalconditionsoftheFERC’sOrders,andthemitigationmeasuresproposedbytheprojectsponsorintheapplicationsubmittedtotheFERC,andotherfederalorstateenvironmentalpermitsduringactiveconstructionandrestoration;
16. Identifyingareasthatshouldbegivenspecialattentiontoensurestabilizationandrestorationaftertheconstructionphase;and
17. VerifyingthatlocationsforanydisposalofexcessconstructionmaterialsforbeneficialreusecomplywithsectionIII.E.
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compliancewithallapplicablesurvey,landownerorlandmanagementagencyapproval,andpermitrequirements.
F. AGENCY COORDINATION Theprojectsponsormustcoordinatewiththeappropriate
local,state,andfederalagenciesasoutlinedinthisPlanand/orrequiredbytheFERC’sOrders.
1. Obtainwrittenrecommendationsfromthelocalsoilconservationauthoritiesorlandmanagementagenciesregardingpermanenterosioncontrolandrevegetationspecifications.
2. Developspecificproceduresincoordinationwiththeappropriateagenciestopreventtheintroductionorspreadofinvasivespecies,noxiousweeds,andsoilpestsresultingfromconstructionandrestorationactivities.
3. Developspecificproceduresincoordinationwiththeappropriateagenciesandlandowners,asnecessary,toallowforlivestockandwildlifemovementandprotectionduringconstruction.
4. Developspecificblastingproceduresincoordinationwiththeappropriateagenciesthataddresspre-andpost-blastinspections;advancedpublicnotification;andmitigationmeasuresforbuildingfoundations,groundwaterwells,andsprings.Useappropriatemethods(e.g.,blastingmats)topreventdamagetonearbystructuresandtopreventdebrisfromenteringsensitiveenvironmentalresourceareas.
authoritiestodeterminethelocationsoffuturedraintilesthatarelikelytobeinstalledwithin3yearsoftheauthorizedconstruction.
3. Developproceduresforconstructingthroughdrain-tiledareas,maintainingirrigationsystemsduringconstruction,andrepairingdraintilesandirrigationsystemsafterconstruction.
4. Engagequalifieddraintilespecialists,asneededtoconductormonitorrepairstodraintilesystemsaffectedbyconstruction.Usedraintilespecialistsfromtheprojectarea,ifavailable.
C. GRAZING DEFERMENT Developgrazingdefermentplanswithwillinglandowners,
grazingpermittees,andlandmanagementagenciestominimizegrazingdisturbanceofrevegetationefforts.
D. ROAD CROSSINGS AND ACCESS POINTS Planforsafeandaccessibleconditionsatallroadway
crossingsandaccesspointsduringconstructionandrestoration.
E. DISPOSAL PLANNING
Determinemethodsandlocationsfortheregularcollection,containment,anddisposalofexcessconstructionmaterialsanddebris(e.g.,timber,slash,mats,garbage,drillcuttingsandfluids,excessrock)throughouttheconstructionprocess.Disposalofmaterialsforbeneficialreusemustnotresultinadverseenvironmentalimpactandissubjectto
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ThisfilingrequirementdoesnotapplytoprojectsconstructedundertheautomaticauthorizationprovisionsoftheFERC’sregulations.
Theplanshalladdress:
1.winterconstructionprocedures(e.g.,snowhandlingandremoval,accessroadconstructionandmaintenance,soilhandlingundersaturatedorfrozenconditions,topsoilstripping);
2.stabilizationandmonitoringproceduresifgroundconditionswilldelayrestorationuntilthefollowingspring(e.g.,mulchinganderosioncontrols,inspectionandreporting,stormwatercontrolduringspringthawconditions);and
3.finalrestorationprocedures(e.g.,subsidenceandcompactionrepair,topsoilreplacement,seeding).
IV.installation
A. APPROVED AREAS OF DISTURBANCE 1. Project-relatedgrounddisturbanceshallbelimitedto
theconstructionright-of-way,extraworkspaceareas,pipestorageyards,borrowanddisposalareas,accessroads,andotherareasapprovedintheFERC’sOrders.Anyproject-relatedgrounddisturbingactivitiesoutsidetheseareaswillrequirepriorDirectorapproval.Thisrequirementdoesnotapplytoactivitiesneededto
G. SPILL PREVENTION AND RESPONSE PROCEDURES
Theprojectsponsorshalldevelopproject-specificSpillPreventionandResponseProcedures,asspecifiedinsectionIVofthestaff’sProcedures.AcopymustbefiledwiththeSecretaryoftheFERC(Secretary)priortoconstructionandmadeavailableinthefieldoneachconstructionspread.ThefilingrequirementdoesnotapplytoprojectsconstructedundertheautomaticauthorizationprovisionsintheFERC’sregulations.
H. RESIDENTIAL CONSTRUCTION Forallpropertieswithresidenceslocatedwithin50feet
ofconstructionworkareas,projectsponsorsshall:avoidremovalofmaturetreesandlandscapingwithintheconstructionworkareaunlessnecessaryforsafeoperationofconstructionequipment,orasspecifiedinlandowneragreements;fencetheedgeoftheconstructionworkareaforadistanceof100feetoneithersideoftheresidence;andrestorealllawnareasandlandscapingimmediatelyfollowingcleanupoperations,orasspecifiedinlandowneragreements.Ifseasonalorotherweatherconditionspreventcompliancewiththesetimeframes,maintainandmonitortemporaryerosioncontrols(sedimentbarriersandmulch)untilconditionsallowcompletionofrestoration.
I. WINTER CONSTRUCTION PLANS Ifconstructionisplannedtooccurduringwinterweather
conditions,projectsponsorsshalldevelopandfileaproject-specificwinterconstructionplanwiththeFERCapplication.
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a. thelocationofeachadditionalareabystationnumberandreferencetopreviouslyfiledalignmentsheets,orupdatedalignmentsheetsshowingtheadditionalareas;
b. identificationofthefilingatFERCcontainingevidencethattheadditionalareaswerepreviouslysurveyed;and
c. astatementthatlandownerapprovalhasbeenobtainedandisavailableinprojectfiles.
PriorwrittenapprovaloftheDirectorisrequiredwhentheauthorizedconstructionright-of-waywidthwouldbeexpandedbymorethan25feet.
B. TOPSOIL SEGREGATION 1. Unlessthelandownerorlandmanagementagency
specificallyapprovesotherwise,preventthemixingoftopsoilwithsubsoilbystrippingtopsoilfromeitherthefullworkareaorfromthetrenchandsubsoilstoragearea(ditchplusspoilsidemethod)in:
a. cultivatedorrotatedcroplands,andmanagedpastures;
b. residentialareas;
c. hayfields;and
d. otherareasatthelandowner’sorlandmanagingagency’srequest.
2. Inresidentialareas,importationoftopsoilisanacceptablealternativetotopsoilsegregation.
complywiththePlanandProcedures(i.e.,slopebreakers,energy-dissipatingdevices,dewateringstructures,draintilesystemrepairs)orminorfieldrealignmentsandworkspaceshiftsperlandownerneedsandrequirementsthatdonotaffectotherlandownersorsensitiveenvironmentalresourceareas.Allconstructionorrestorationactivitiesoutsideofauthorizedareasaresubjecttoallapplicablesurveyandpermitrequirements,andlandownereasementagreements.
2. Theconstructionright-of-waywidthforaprojectshallnotexceed75feetorthatdescribedintheFERCapplicationunlessotherwisemodifiedbyaFERCOrder.However,inlimited,non-wetlandareas,thisconstructionright-of-waywidthmaybeexpandedbyupto25feetwithoutDirectorapprovaltoaccommodatefullconstructionright-of-waytopsoilsegregationandtoensuresafeconstructionwheretopographicconditions(e.g.,side-slopes)orsoillimitationsrequireit.Twenty-fivefeetofextraconstructionright-of-waywidthmayalsobeusedinlimited,non-wetlandornon-forestedareasfortruckturn-aroundswherenoreasonablealternativeaccessexists.
Projectuseoftheseadditionallimitedareasissubjecttolandownerorlandmanagementagencyapprovalandcompliancewithallapplicablesurveyandpermitrequirements.Whenadditionalareasareused,eachoneshallbeidentifiedandtheneedexplainedintheweeklyorbiweeklyconstructionreportstotheFERC,ifrequired.Thefollowingmaterialshallbeincludedinthereports:
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andrepairs.
4. Fornewpipelinesinareaswheredraintilesexistorareplanned,ensurethatthedepthofcoveroverthepipelineissufficienttoavoidinterferencewithdraintilesystems.Foradjacentpipelineloopsinagriculturalareas,installthenewpipelinewithatleastthesamedepthofcoverastheexistingpipeline(s).
D. IRRIGATION Maintainwaterflowincropirrigationsystems,unless
shutoffiscoordinatedwithaffectedparties.
E. ROAD CROSSINGS AND ACCESS POINTS 1. Maintainsafeandaccessibleconditionsatallroad
crossingsandaccesspointsduringconstruction.
2. Ifcrushedstoneaccesspadsareusedinresidentialoragriculturalareas,placethestoneonsyntheticfabrictofacilitateremoval.
3. Minimizetheuseoftrackedequipmentonpublicroadways.Removeanysoilorgravelspilledortrackedontoroadwaysdailyormorefrequentasnecessarytomaintainsaferoadconditions.Repairanydamagestoroadwaysurfaces,shoulders,andbarditches.
F. TEMPORARY EROSION CONTROL Installtemporaryerosioncontrolsimmediatelyafterinitial
disturbanceofthesoil.Temporaryerosioncontrolsmustbeproperlymaintainedthroughoutconstruction(onadailybasis)andreinstalledasnecessary(suchasafter
3. Wheretopsoilsegregationisrequired,theprojectsponsormust:
a. segregateatleast12inchesoftopsoilindeepsoils(morethan12inchesoftopsoil);and
b. makeeveryefforttosegregatetheentiretopsoillayerinsoilswithlessthan12inchesoftopsoil.
4. Maintainseparationofsalvagedtopsoilandsubsoilthroughoutallconstructionactivities.
5. Segregatedtopsoilmaynotbeusedforpaddingthepipe,constructingtemporaryslopebreakersortrenchplugs,improvingormaintainingroads,orasafillmaterial.
6. Stabilizetopsoilpilesandminimizelossduetowindandwatererosionwithuseofsedimentbarriers,mulch,temporaryseeding,tackifiers,orfunctionalequivalents,wherenecessary.
C. DRAIN TILES 1. Marklocationsofdraintilesdamagedduring
construction.
2. Probealldrainagetilesystemswithintheareaofdisturbancetocheckfordamage.
3. Repairdamageddraintilestotheiroriginalorbettercondition.Donotusefilter-covereddraintilesunlessthelocalsoilconservationauthoritiesandthelandowneragree.Usequalifiedspecialistsfortesting
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2. TemporaryTrenchPlugs
Temporarytrenchplugsareintendedtosegmentacontinuousopentrenchpriortobackfill.
a. Temporarytrenchplugsmayconsistofunexcavatedportionsofthetrench,compactedsubsoil,sandbags,orsomefunctionalequivalent.
b. Positiontemporarytrenchplugs,asnecessary,toreducetrenchlineerosionandminimizethevolumeandvelocityoftrenchwaterflowatthebaseofslopes.
3. SedimentBarriers
Sedimentbarriersareintendedtostoptheflowofsedimentsandtopreventthedepositionofsedimentsbeyondapprovedworkspacesorintosensitiveresources.
a. Sedimentbarriersmaybeconstructedofmaterialssuchassiltfence,stakedhayorstrawbales,compactedearth(e.g.,driveablebermsacrosstravelways),sandbags,orotherappropriatematerials.
b. Ataminimum,installandmaintaintemporarysedimentbarriersacrosstheentireconstructionright-of-wayatthebaseofslopesgreaterthan5percentwherethebaseoftheslopeislessthan50feetfromawaterbody,wetland,orroadcrossinguntilrevegetationissuccessfulasdefinedinthisPlan.Leaveadequateroombetweenthebaseoftheslopeandthesedimentbarriertoaccommodate
backfillingofthetrench)untilreplacedbypermanenterosioncontrolsorrestorationiscomplete.
1. TemporarySlopeBreakers
a. Temporaryslopebreakersareintendedtoreducerunoffvelocityanddivertwaterofftheconstructionright-of-way.Temporaryslopebreakersmaybeconstructedofmaterialssuchassoil,siltfence,stakedhayorstrawbales,orsandbags.
b. Installtemporaryslopebreakersonalldisturbedareas,asnecessarytoavoidexcessiveerosion.Temporaryslopebreakersmustbeinstalledonslopesgreaterthan5percentwherethebaseoftheslopeislessthan50feetfromwaterbody,wetland,androadcrossingsatthefollowingspacing(closerspacingshallbeusedifnecessary):
Slope(%) Spacing(feet)
5-15 300
>15-30 200
>30 100
c. Directtheoutfallofeachtemporaryslopebreakertoastable,wellvegetatedareaorconstructanenergy-dissipatingdeviceattheendoftheslopebreakerandofftheconstructionright-of-way.
d. Positiontheoutfallofeachtemporaryslopebreakertopreventsedimentdischargeintowetlands,waterbodies,orothersensitiveenvironmentalresourceareas.
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(2)constructionorrestorationactivityisinterruptedforextendedperiods,suchaswhenseedingcannotbecompletedduetoseedingperiodrestrictions.
d. Ifmulchingbeforeseeding,increasemulchapplicationonallslopeswithin100feetofwaterbodiesandwetlandstoarateof3tons/acreofstraworequivalent.
e. Ifwoodchipsareusedasmulch,donotusemorethan1ton/acreandaddtheequivalentof11lbs/acreavailablenitrogen(atleast50percentofwhichisslowrelease).
f. Ensurethatmulchisadequatelyanchoredtominimizelossduetowindandwater.
g. Whenanchoringwithliquidmulchbinders,useratesrecommendedbythemanufacturer.Donotuseliquidmulchbinderswithin100feetofwetlandsorwaterbodies,exceptwheretheproductiscertifiedenvironmentallynon-toxicbytheappropriatestateorfederalagencyorindependentstandards-settingorganization.
h. Donotusesyntheticmonofilamentmesh/nettederosioncontrolmaterialsinareasdesignatedassensitivewildlifehabitat,unlesstheproductisspecificallydesignedtominimizeharmtowildlife.Anchorerosioncontrolfabricwithstaplesorotherappropriatedevices.
pondingofwaterandsedimentdeposition.
c. Wherewetlandsorwaterbodiesareadjacenttoanddownslopeofconstructionworkareas,installsedimentbarriersalongtheedgeoftheseareas,asnecessarytopreventsedimentflowintothewetlandorwaterbody.
4. Mulch
a. Applymulchonallslopes(exceptincultivatedcropland)concurrentwithorimmediatelyafterseeding,wherenecessarytostabilizethesoilsurfaceandtoreducewindandwatererosion.Spreadmulchuniformlyovertheareatocoveratleast75percentofthegroundsurfaceatarateof2tons/acreofstraworitsequivalent,unlessthelocalsoilconservationauthority,landowner,orlandmanagingagencyapprovesotherwiseinwriting.
b. Mulchcanconsistofweed-freestraworhay,woodfiberhydromulch,erosioncontrolfabric,orsomefunctionalequivalent.
c. Mulchalldisturbeduplandareas(exceptcultivatedcropland)beforeseedingif:
(1)finalgradingandinstallationofpermanenterosioncontrolmeasureswillnotbecompletedinanareawithin20daysafterthetrenchinthatareaisbackfilled(10daysinresidentialareas),asrequiredinsectionV.A.1;or
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3. Rockexcavatedfromthetrenchmaybeusedtobackfillthetrenchonlytothetopoftheexistingbedrockprofile.Rockthatisnotreturnedtothetrenchshallbeconsideredconstructiondebris,unlessapprovedforuseasmulchorforsomeotheruseontheconstructionworkareasbythelandownerorlandmanagingagency.
4. Removeexcessrockfromatleastthetop12inchesofsoilinallcultivatedorrotatedcropland,managedpastures,hayfields,andresidentialareas,aswellasotherareasatthelandowner’srequest.Thesize,density,anddistributionofrockontheconstructionworkareashallbesimilartoadjacentareasnotdisturbedbyconstruction.Thelandownerorlandmanagementagencymayapproveotherprovisionsinwriting.
5. Gradetheconstructionright-of-waytorestorepre-constructioncontoursandleavethesoilintheproperconditionforplanting.
6. Removeconstructiondebrisfromallconstructionworkareasunlessthelandownerorlandmanagingagencyapprovesleavingmaterialsonsiteforbeneficialreuse,stabilization,orhabitatrestoration.
7. Removetemporarysedimentbarrierswhenreplacedbypermanenterosioncontrolmeasuresorwhenrevegetationissuccessful.
B. PERMANENT EROSION CONTROL DEVICES 1. TrenchBreakers
a. Trenchbreakersareintendedtoslowtheflowof
V. restoration
A. CLEANUP 1. Commencecleanupoperationsimmediatelyfollowing
backfilloperations.Completefinalgrading,topsoilreplacement,andinstallationofpermanenterosioncontrolstructureswithin20daysafterbackfillingthetrench(10daysinresidentialareas).Ifseasonalorotherweatherconditionspreventcompliancewiththesetimeframes,maintaintemporaryerosioncontrols(i.e.,temporaryslopebreakers,sedimentbarriers,andmulch)untilconditionsallowcompletionofcleanup.
Ifconstructionorrestorationunexpectedlycontinuesintothewinterseasonwhenconditionscoulddelaysuccessfuldecompaction,topsoilreplacement,orseedinguntilthefollowingspring,filewiththeSecretaryforthereviewandwrittenapprovaloftheDirector,awinterconstructionplan(asspecifiedinsectionIII.I).ThisfilingrequirementdoesnotapplytoprojectsconstructedundertheautomaticauthorizationprovisionsoftheFERC’sregulations.
2. AtravellanemaybeleftopentemporarilytoallowaccessbyconstructiontrafficifthetemporaryerosioncontrolstructuresareinstalledasspecifiedinsectionIV.F.andinspectedandmaintainedasspecifiedinsectionsII.B.12through14.Whenaccessisnolongerrequiredthetravellanemustberemovedandtheright-of-wayrestored.
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b. Constructandmaintainpermanentslopebreakersinallareas,exceptcultivatedareasandlawns,unlessrequestedbythelandowner,usingspacingrecommendationsobtainedfromthelocalsoilconservationauthorityorlandmanagingagency.
Intheabsenceofwrittenrecommendations,usethefollowingspacingunlesscloserspacingisnecessarytoavoidexcessiveerosionontheconstructionright-of-way:
Slope(%) Spacing(feet)
5-15 300
>15-30 200
>30 100
c. Constructslopebreakerstodivertsurfaceflowtoastableareawithoutcausingwatertopoolorerodebehindthebreaker.Intheabsenceofastablearea,constructappropriateenergy-dissipatingdevicesattheendofthebreaker.
d. Slopebreakersmayextendslightly(about4feet)beyondtheedgeoftheconstructionright-of-waytoeffectivelydrainwateroffthedisturbedarea.Whereslopebreakersextendbeyondtheedgeoftheconstructionright-of-way,theyaresubjecttocompliancewithallapplicablesurveyrequirements.
subsurfacewateralongthetrench.Trenchbreakersmaybeconstructedofmaterialssuchassandbagsorpolyurethanefoam.Donotusetopsoilintrenchbreakers.
b. Anengineerorsimilarlyqualifiedprofessionalshalldeterminetheneedforandspacingoftrenchbreakers.Otherwise,trenchbreakersshallbeinstalledatthesamespacingasandupslopeofpermanentslopebreakers.
c. Inagriculturalfieldsandresidentialareaswhereslopebreakersarenottypicallyrequired,installtrenchbreakersatthesamespacingasifpermanentslopebreakerswererequired.
d. Ataminimum,installatrenchbreakeratthebaseofslopesgreaterthan5percentwherethebaseoftheslopeislessthan50feetfromawaterbodyorwetlandandwhereneededtoavoiddrainingawaterbodyorwetland.Installtrenchbreakersatwetlandboundaries,asspecifiedintheProcedures.Donotinstalltrenchbreakerswithinawetland.
2. PermanentSlopeBreakers
a. Permanentslopebreakersareintendedtoreducerunoffvelocity,divertwaterofftheconstructionright-of-way,andpreventsedimentdepositionintosensitiveresources.Permanentslopebreakersmaybeconstructedofmaterialssuchassoil,stone,orsomefunctionalequivalent.
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2. SoilAdditives
FertilizeandaddsoilpHmodifiersinaccordancewithwrittenrecommendationsobtainedfromthelocalsoilconservationauthority,landmanagementagencies,orlandowner.IncorporaterecommendedsoilpHmodifierandfertilizerintothetop2inchesofsoilassoonaspracticableafterapplication.
3. SeedingRequirements
a. Prepareaseedbedindisturbedareastoadepthof3to4inchesusingappropriateequipmenttoprovideafirmseedbed.Whenhydroseeding,scarifytheseedbedtofacilitatelodgingandgerminationofseed.
b. Seeddisturbedareasinaccordancewithwrittenrecommendationsforseedmixes,rates,anddatesobtainedfromthelocalsoilconservationauthorityortherequestofthelandownerorlandmanagementagency.Seedingisnotrequiredincultivatedcroplandsunlessrequestedbythelandowner.
c. Performseedingofpermanentvegetationwithintherecommendedseedingdates.Ifseedingcannotbedonewithinthosedates,useappropriatetemporaryerosioncontrolmeasuresdiscussedinsectionIV.Fandperformseedingofpermanentvegetationatthebeginningofthenextrecommendedseedingseason.Dormantseedingortemporaryseedingofannualspeciesmayalsobeused,ifnecessary,toestablishcover,asapprovedbytheEnvironmentalInspector.
C. SOIL COMPACTION MITIGATION 1. Testtopsoilandsubsoilforcompactionatregular
intervalsinagriculturalandresidentialareasdisturbedbyconstructionactivities.Conducttestsonthesamesoiltypeundersimilarmoistureconditionsinundisturbedareastoapproximatepreconstructionconditions.Usepenetrometersorotherappropriatedevicestoconducttests.
2. Plowseverelycompactedagriculturalareaswithaparaploworotherdeeptillageimplement.Inareaswheretopsoilhasbeensegregated,plowthesubsoilbeforereplacingthesegregatedtopsoil.
Ifsubsequentconstructionandcleanupactivitiesresultinfurthercompaction,conductadditionaltilling.
3. Performappropriatesoilcompactionmitigationinseverelycompactedresidentialareas.
D. REVEGETATION 1. General
a. Theprojectsponsorisresponsibleforensuringsuccessfulrevegetationofsoilsdisturbedbyproject-relatedactivities,exceptasnotedinsectionV.D.1.b.
b. Restoreallturf,ornamentalshrubs,andspecializedlandscapinginaccordancewiththelandowner’srequest,orcompensatethelandowner.Restorationworkmustbeperformedbypersonnelfamiliarwithlocalhorticulturalandturfestablishmentpractices.
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VI. oFF-road vehiCle Control
Toeachownerormanagerofforestedlands,offertoinstallandmaintainmeasurestocontrolunauthorizedvehicleaccesstotheright-of-way.Thesemeasuresmayinclude:
A. Signs;
B. Fenceswithlockinggates;
C. Slashandtimberbarriers,pipebarriers,oralineofbouldersacrosstheright-of-way;and
D. Conifersorotherappropriatetreesorshrubsacrosstheright-of-way.
vii. Post-ConstruCtion aCtivities and rePorting
A. MONITORING AND MAINTENANCE 1. Conductfollow-upinspectionsofalldisturbedareas,as
necessary,todeterminethesuccessofrevegetationandaddresslandownerconcerns.Ataminimum,conductinspectionsafterthefirstandsecondgrowingseasons.
2. Revegetationinnon-agriculturalareasshallbeconsideredsuccessfulifuponvisualsurveythedensityandcoverofnon-nuisancevegetationaresimilarindensityandcovertoadjacentundisturbedlands.Inagriculturalareas,revegetationshallbeconsidered
Lawnsmaybeseededonascheduleestablishedwiththelandowner.
d. Intheabsenceofwrittenrecommendationsfromthelocalsoilconservationauthorities,seedalldisturbedsoilswithin6workingdaysoffinalgrading,weatherandsoilconditionspermitting,subjecttothespecificationsinsectionV.D.3.athroughV.D.3.c.
e. BaseseedingratesonPureLiveSeed.Useseedwithin12monthsofseedtesting.
f. Treatlegumeseedwithaninoculantspecifictothespeciesusingthemanufacturer’srecommendedrateofinoculantappropriatefortheseedingmethod(broadcast,drill,orhydro).
g. Intheabsenceofwrittenrecommendationsfromthelocalsoilconservationauthorities,landowner,orlandmanagingagencytothecontrary,aseeddrillequippedwithacultipackerispreferredforseedapplication.
Broadcastorhydroseedingcanbeusedinlieuofdrillingatdoubletherecommendedseedingrates.Whereseedisbroadcast,firmtheseedbedwithacultipackerorrollerafterseeding.Inrockysoilsorwheresiteconditionsmaylimittheeffectivenessofthisequipment,otheralternativesmaybeappropriate(e.g.,useofachaindrag)tolightlycoverseedafterapplication,asapprovedbytheEnvironmentalInspector.
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6. Effortstocontrolunauthorizedoff-roadvehicleuse,incooperationwiththelandowner,shallcontinuethroughoutthelifeoftheproject.Maintainsigns,gates,andpermanentaccessroadsasnecessary.
B. REPORTING 1. Theprojectsponsorshallmaintainrecordsthatidentify
bymilepost:
a. methodofapplication,applicationrate,andtypeoffertilizer,pHmodifyingagent,seed,andmulchused;
b. acreagetreated;
c. datesofbackfillingandseeding;
d. namesoflandownersrequestingspecialseedingtreatmentandadescriptionofthefollow-upactions;
e. thelocationofanysubsurfacedrainagerepairsorimprovementsmadeduringrestoration;and
f. anyproblemareasandhowtheywereaddressed.
2. TheprojectsponsorshallfilewiththeSecretaryquarterlyactivityreportsdocumentingtheresultsoffollow-upinspectionsrequiredbysectionVII.A.1;anyproblemareas,includingthoseidentifiedbythelandowner;andcorrectiveactionstakenforatleast2yearsfollowingconstruction.
TherequirementtofilequarterlyactivityreportswiththeSecretarydoesnotapplytoprojectsconstructedundertheautomaticauthorization,priornotice,oradvancednoticeprovisionsintheFERC’sregulations.
successfulwhenuponvisualsurvey,cropgrowthandvigoraresimilartoadjacentundisturbedportionsofthesamefield,unlesstheeasementagreementspecifiesotherwise.
Continuerevegetationeffortsuntilrevegetationissuccessful.
3. Monitorandcorrectproblemswithdrainageandirrigationsystemsresultingfrompipelineconstructioninagriculturalareasuntilrestorationissuccessful.
4. Restorationshallbeconsideredsuccessfuliftheright-of-waysurfaceconditionissimilartoadjacentundisturbedlands,constructiondebrisisremoved(unlessotherwiseapprovedbythelandownerorlandmanagingagencypersectionV.A.6),revegetationissuccessful,andproperdrainagehasbeenrestored.
5. Routinevegetationmowingorclearingoverthefullwidthofthepermanentright-of-wayinuplandsshallnotbedonemorefrequentlythanevery3years.However,tofacilitateperiodiccorrosion/leaksurveys,acorridornotexceeding10feetinwidthcenteredonthepipelinemaybeclearedatafrequencynecessarytomaintainthe10-footcorridorinanherbaceousstate.InnocaseshallroutinevegetationmowingorclearingoccurduringthemigratorybirdnestingseasonbetweenApril15andAugust1ofanyyearunlessspecificallyapprovedinwritingbytheresponsiblelandmanagementagencyortheU.S.FishandWildlifeService.
notes notes
notes
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