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November 2017
LandDisturbance&ErosionandSedimentControlStandards
BestManagementPracticeGuideforResidentialConstruction
TABLEOFCONTENTS
Introduction 3
PermitResponsibilities 4
ConstructionSiteNotice 5
TemporaryConstructionEntrance 6
SiltFence 7
FiberRolls/Wattles 8
ErosionBlanket 9
Seeding/Mulching 9
Sodding 9
CurbInletProtection 10
Area(Drop)InletProtection 11
OtherPollutants 12
InspectionReport 13
HelpfulLinks 14
2
INTRODUCTIONErosionisanaturalprocessofthelooseningandremovalofsoilandrock.Naturalerosionoccursataveryslowrate.Whenlandisdisturbedduringgrading and other construction activities, the erosion rate increasesdramatically.Whenerosionoccursona construction site, sediment isavailablefortransportbywindorstormwaterrunoff.Thedischargeofsediment and other construction site pollutants can negatively affectdownstreamwaterquality.
Botherosionandsedimentcontrolpracticesarerequiredonconstructionsitestopreventsedimentfromleavingthesite.Erosioncontrolpreventserosionfromoccurringatconstructionsitesbykeepingsoilinplace.Examplesincludemulch,erosionblankets,seeding,andsitephasing.
Sedimentcontrolcaptureserodingsedimentsandkeepsthemon‐siteandawayfromsurfacewaters.Examplesincludesettlingbasinsandsedimenttraps,rockchecks,siltfenceandstrawwattles(fiberrolls).
Itismuchcheapertopreventerosionthanitistocapturesediment.
BestManagementPractices(BMPs)areschedulesofactivities,prohibitionsofpractices,maintenanceprocedures,structural,vegetativeandmanagerialpractices,thatwhenusedindividuallyandincombination,preventorreducethereleaseofpollutantstostreams,creeksandwaterways.
ThisguideprovidesanoverviewoftypicalBMPsthatmaybeusedforresidentialbuildingconstructionwithinthecitylimitsofJonesboro.
TheBMPsprovidedhereinmaynotbesuitableforallconstructionsitesandothertechniquesmaybenecessaryinsomeinstances.
ThebuildingpermitholderisresponsibleforensuringthatappropriateBMPsareinplaceandfunctioningattheirconstructionsiteuntilalllanddisturbance activities are complete and the disturbed area fullystabilized.
PERMITRESPONSIBILITIES
PermitteePre‐Construction:1. PosttheConstructionSiteNoticeatthesite.Noticemustbe
visiblefromthestreet.2. Installtemporaryconstructionentrance.3. Installerosionandsedimentcontrolsperapprovedplan.
DuringConstruction:4. Performweeklysiteinspections.5. KeepacopyoftheStormwaterPollutionPreventionPlan
(SWPPP)andweeklyinspectionsonsite.6. UpdateSWPPP(installationdateofBMPs,changesinBMPs,
etc…)asneeded.7. Maintaintheconstructionentrance,
erosionandsedimentcontrols.8. Removeoff‐sitesedimentdischarge
andtrackingimmediately.9. Puttrashandconstructiondebrisin
containerdaily.PostConstruction:10. Stabilizetheentiredisturbedarea.11. Terminatepermit.
TheCityofJonesboro:
1. Performroutineinspectionsofeachresidentialconstructionsite.2. Reviewallsitedocuments.3. Notify permittee of violations via “WarningNotice” (verbal or
written).4. Issue“StopWorkOrder”ifneeded.5. Citepermitteetocourtifnecessary.6. Sign‐off on final Stormwater compliance for “Certificate of
Occupancy”.
4
Thelackoferosionandsedimentcontrolsonthissiteresultsinpollutedwaterandcomplianceviolations
CONSTRUCTIONSITENOTICE
Note:
1.Siteslargerthan5acres,contacttheengineeringofficeforrequirements.
5
TEMPORARYCONSTRUCTIONENTRANCE
Notes:
1.StoneSize‐Onetotwo‐inchstonerecommended.2.Length‐Asrequiredtopreventtrackout,minimumof25feet.3.Thickness‐Notlessthansixinches.4.Width‐12‐footminimum,butnotlessthanthefullwidthatpointswhereingressoregressoccurs.
5.FilterCloth–Recommendedtoplaceovertheentireareapriortostoneplacement.
6.SurfaceWater‐Flowingovertheconstructionentranceshouldbepipedorbermedtopreventwashout.
TEMPORARY CONSTRUCTION ENTRANCE
TO BE 6” (MIN. DEPTH) OF CHAT, CRUSHED
ROCK OR B‐STONE. UNDERLAYMENT OF
FILTER CLOTH RECOMMENDED
6
SILTFENCE
Typical:InstallatRight‐of‐wayline(propertyline),notbackofcurb.
Notes:1. Theheight of the silt fence shall
be 16 to 30 inches above thegroundsurface.
2. Fasten the fence to the upslopesideofthepostsusingaminimumof 1” inch long, heavy‐dutywirestaplesortie‐wires.
3. Back fill the trench with dirt orgravelandcompact.
4. Wiremeshbackedsiltfencerecommended.5. Installalongfrontlotlineandalongthelotlineofadjacentproperties
locateddownhill.6. Installtothebackofsidewalksifsidewalksarepresent.
Maintenance:Remove any buildup of silt orsedimentbehindsilt fencewhen itexceeds more than half theoriginallyinstalledfenceheight.
7
FIBERROLLS/WATTLES
Typical:InstallatRight‐of‐wayline(propertyline),notbackofcurb.
Notes:1. Onslopes,installfiberrollsalongthecontourwithaslight downward angle at the end of each row topreventpondingatthemidsection.
2.Typically,installrollsalongsidewalksandfrontlotlinestokeepsedimentfromwashingontosidewalks,streets,guttersandstormdrains.
Maintenance:Remove any buildup of silt or sedimentbehindwattleswhenitexceedsmorethanhalftheoriginallyinstalledwattleheight.
8
EROSIONBLANKET
SEEDING/MULCHING
SODDING
9
Theerosioncontrolblanketsarebiodegradablematerialsusedtoprotectdisturbedslopeandchannelareasfromwindandwatererosion.Theblanketmaterialsarenaturalmaterialssuchasstraw,woodexcelsior,coconut,oraregeotextilesyntheticwovenmaterialssuchaspolypropylene.
Seedandmulchexposedsoilafterfinishgradinghasbeencompleted,orareaswhereno
activityhasoccurredformorethan14days.
Soddingisapermanentformoferosioncontrolthatinvolveslayingapermanentcoverofgrasssodonexposedsoils.Inadditiontostabilizingsoils,soddingcanreducethevelocityofstormwaterrunoff.Soddingcanprovideimmediatevegetativecoverforcriticalareasandstabilizeareasthatcannotbevegetatedbyseed.Itcanalsosteadychannelsorswalesthatconveyconcentratedflowsandcanreduceflowvelocities.
CURBINLETPROTECTION
Notes:1. Sediment controls behind the curb may also be necessary to
preventthedischargeofsediment.
10
AREA(DROP)INLETPROTECTION
Notes:1.Spacestakesevenlyaroundtheperimeteroftheinletatamaximumof3feetapartand18inchesdeep.
2.Makeaframeof2x4woodstripsaroundthecrestoftheoverflowareaatamaximumof11/2feetabovethecrest.
3.Fastenfencewithstaples,orwireittothestakesandframe.
4.Backfillthebottomofthefenceinatrenchandcompact.
11
Silt Fence Installation
Wattle Installation
OTHERPOLLUTANTS
ConstructionWaste–mustdisposeofatalicensedsolidwastemanagementsiteandnotbeburiedorburnton‐site. ConcreteTruckWashout‐cannotmakecontactwithstormwatersornaturalstreams.Allconcretewashoutmustbecontainedon‐siteoradesignatedareawithinthecommondevelopment. Fueling‐Providesecondarycontainmentbarriersforfuelstoredon‐site. Fertilizers‐Followthemanufacturer’sdirectionsandstoreinacoveredareaorwatertightcontainer. HazardousMaterials‐Storehazardousmaterialssuchasoils,greases,paints,fuels,andchemicalsinacoveredareawithsecondarycontainment.Disposeoftheseitemsaccordingtostateregulationsandmanufacturer’srecommendations. PetroleumProducts–Storeinclearlylabeledandtightlysealedcontainersortanks.Wastewaterfrompaint,drywall,stuccoormasonrycannotenterthestormwatersystemorbedisposedofwhereitcaneventuallywashintocreeksandstreams. SanitaryWaste–Maintainportableunitsthroughastatelicensedsanitarywastemanagementcontractor. Dewatering–Pumptrenches,foundationsorotherexcavatedareassoasnottodepositsedimentoff‐siteorcauseerosion.Usefilterbags,sedimenttrapsoravegetatedareatofiltersediment.
12
INSPECTIONREPORT
13
HELPFULLINKS:
CityofJonesboroEngineering:http://www.jonesboro.org/139/EngineeringCityofJonesboroPlanning&Zoninghttp://www.jonesboro.org/168/Planning‐ZoningCity/CountyMap:http://www.efsedge.com/craighead/SWPPPTemplate:http://www.jonesboro.org/DocumentCenter/Home/View/2925ConstructionSiteNotice:http://www.jonesboro.org/DocumentCenter/Home/View/584SiteInspectionForm:http://www.jonesboro.org/DocumentCenter/Home/View/542
14
CourtesyoftheCityofJonesboro
CreatedbytheEngineeringDepartment–StormwaterDivision