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Kitsap CountyStormwater
DesignManual
Figures & Tables
November 2009
DRAFT
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Figures
3.1 CoveredFuelIsland...............................................................................................................................................................................1
3.2 DripPan.....................................................................................................................................................................................................1
3.3 DripPanWithinRails.............................................................................................................................................................................1
3.4 LoadingDockwithDoorSkirt...........................................................................................................................................................2
3.5 LoadingDockwithOverhang............................................................................................................................................................2
3.6 EnclosetheActivity...............................................................................................................................................................................2
3.7 CovertheActivity...................................................................................................................................................................................2
3.8 SecondaryContainmentSystem......................................................................................................................................................3
3.9 LockingsystemforDrumLid.............................................................................................................................................................3
3.10 Covered&BermedContainmentArea...........................................................................................................................................3
3.11 MountedContainerwithDripPan...................................................................................................................................................3
3.12 Above-groundTankStorage..............................................................................................................................................................3
3.13 CoveredStorageforBulkSolids........................................................................................................................................................4
3.14 MaterialCoveredwithPlasticSheeting.........................................................................................................................................4
3.15 UncoveredWashArea...........................................................................................................................................................................4
4.1 RainfallIntensity-DurationCurves...................................................................................................................................................7
4.2 PipeCompactionDesignandBackfill.............................................................................................................................................8
4.3 PipeAnchorDetail.................................................................................................................................................................................9
4.4 CorrugatedMetalPipeCouplingand/orGeneralPipeAnchorAssembly.....................................................................10
4.5 DebrisBarrier(OffRoadRight-of-Way)........................................................................................................................................11
4.6 DebrisBarrier(InRoadRight-of-Way)..........................................................................................................................................12
4.7 NomographforSizingCircularDrainsFlowingFull................................................................................................................13
4.8 CircularChannelRatios.....................................................................................................................................................................14
4.9 BackwaterCalculationSheet...........................................................................................................................................................15
4.10 BackwaterCalculationSheetNotes..............................................................................................................................................16
4.11 BackwaterPipeCalculationExample...........................................................................................................................................17
4.12 BendHeadLossesinStructure.......................................................................................................................................................18
4.13 JunctionHeadLossinStructure....................................................................................................................................................19
4.14 TeeTypeEnergyDisipator................................................................................................................................................................20
4.15 PipeCulvertDischargeProtection................................................................................................................................................21
4.16 FlowDisposalTrench.........................................................................................................................................................................22
4.17 AlternativeFlowDisposalTrench..................................................................................................................................................23
4.18 GabionMattressDisipatorDetail..................................................................................................................................................24
4.19 Inlet/OutletControlConditions...................................................................................................................................................25
4.20 HeadwaterDepthforSmoothInteriorPipeCulvertswithInletControl.........................................................................26
4.21 HeadwaterDepthforCorrugatedPipeCulvertwithInletControl....................................................................................27
4.22 HeadforCulverts(PipeW/"N"=0.012)FlowingFullwithOutletControl......................................................................28
4.23 HeadforCulverts(PipeW/"N"=0.024)FlowingFullwithOutletControl........................................................................29
4.24 CriticalDepthofFlowforCircularCulverts................................................................................................................................30
4.25 MeanChannelVelocityvs.MediumStoneWeightandEquivalentStoneDiameter..................................................31
4.26 Riprap/FilterExampleGradationCurve......................................................................................................................................32
4.27 DitchesCommonSections.........................................................................................................................................................33
428 DrainageDitchesCommonSections.....................................................................................................................................34
4.29 GeometricElementsOfCommonSections...............................................................................................................................35
4.30 OpenChannelFlowProfileComputation..................................................................................................................................36
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4.31 DirectStepBackwaterMethod-Example..................................................................................................................................37
4.32 FlowSplitter,OptionA......................................................................................................................................................................38
4.33 FlowSplitter,OptionB.......................................................................................................................................................................39
4.34 FlowSpreaderOptionA:AnchoredPlate...................................................................................................................................40
4.35 FlowSpreaderOptionB:ConcreteSumpBox..........................................................................................................................41
4.36 FlowSpreaderOptionC:NotchedCurbSpreader..................................................................................................................42
4.37 FlowSpreaderOptionD:Through-CurbPort............................................................................................................................42
5.1 BMP5.01RockFilledInfiltrationTrench......................................................................................................................................45
5.2 AlternativeRockFiledInfiltrationTrenchSystem............................................