Kitsap County Stormwater Design Manual .4.2 Pipe Compaction Design and Backfill ... strap-footing

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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............................................