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HomeMy WebLinkAboutDUTCH BROS - FDP190017 - SUBMITTAL DOCUMENTS - ROUND 1 - DRAINAGE REPORT (3)Date: Included N/A Includenameofproject,date,nameofdesignengineer Statementofcompliancewiththemanual FP FinalcopiesrequiredtobestampedandsignedbyColoradolicensedPE Section,Township,Range VicinityMap Roadwayswithinandadjacenttosite Namesofsurroundingdevelopments MasterDrainageBasinwheresiteislocated Existingstormwaterdrainagefacilitiesanddrainagepatterns Existingirrigationfacilities(ifapplicable) Existinglanduses Existinggroundcoverand/orvegetationtype Existingsoilsinfo Reference/discussionregardingpertinentMasterDrainageBasinandanyimprovementsplanned forthearea Generalbasincharacteristics ExistingandplannedlanduseswithintheMasterDrainageBasin Irrigationfacilitiesthatinfluenceorareinfluencedbythelocaldrainage(ifapplicable) RefertoFloodplainChecklistsforrequirements Proposedlandusesand/orprojectsummary Siteacreage Discussionofproposeddrainageplan,specificdetailsthatmayincludedrainageissuesatspecific designpoints Conveyanceofminorandmajorstormwatersystemstoanexistingstormwaterconveyance Detentionbasinandoutletdesign;summarytableforeachdetentionbasin WQCVdesign LIDsystemsanddesign Maintenanceaccesstothedrainagefacilities Easements/tractsfordrainagepurposes Referencetoanypreviousdrainagestudiesforthearea FourͲStepprocessoutlinedanddiscussed UsingCoFCrainfalldatafor2Ͳyrand100Ͳyrrecurrenceintervals Usingproperdesignstormrecurrences(2Ͳyrand100Ͳyr) Runoffcalculationmethod Detentioncalculationmethod FP StreetCapacitydiscussion FP InletCapacitydiscussion PDPandFPDrainageReportChecklist ProjectName: GeneralLocation&ExistingSiteInfo MasterDrainageBasinInfo FloodplainInformation CoverLetter ProjectDescription ProposedDrainageFacilities DrainageDesignCriteria Page1of2 Date: Included N/A PDPandFPDrainageReportChecklist ProjectName: FP Pipenetworkmodelsdiscussion FP Swaleorchannelsizing/capacitydiscussion FP Emergencyspillwaysizingdiscussion Includedvariancerequestform Statementofcompliancewithallerosioncontrolmaterialsthataretobeprovidedwithfinalplans FP SeparateErosionControlReportandPlanssubmitted Statementofcompliancewithmanual,masterdrainageplans,floodplainregs,otherstate/federal regs Summaryconclusionofdrainageconceptandeffectivenessofdesign Referencedcriteria,masterplans,technicalinfo Hydologiccalculations:historicanddevelopedrunoff Detentionbasinvolumecalculations SDIdataspreadsheet(meetsdetentiondraintimecriteria) SWMMmodels(ifapplicable) LIDexhibitandcalculations Floodplainmaps Soilsurveyinformation FP Streetcapacity FP Inletsizingandcapacity FP Stormpipenetworkmodels FP Erosionprotection(i.e.riprapcalculations) FP Swaleorchannelsizing FP Outletstructuredesign FP Spillwaydesign Drainagemap Conclusion References Appendices VarianceRequests ErosionControl Page2of2