Drainage Resource Materials
​3-Sided Culvert Policy
Preconstruction_Policy.pdfPreconstruction_PolicyDraft Policy (08-2014)
KYTC_Approved_Culverts.pdfKYTC_Approved_CulvertsPrecast Culvert Summary
Shape_Selection.xlsmShape_SelectionShape Selection Tool
HY8_Shape_Match.pdfHY8_Shape_MatchShapes to use in HY8, 7.30
SituationSheets.pdfSituationSheetsSample Situation Sheets
SituationSheet1.dgnSituationSheet1Sample Situation Sheet
SituationSheet2.dgnSituationSheet2Sample Situation Sheet
Wing_Wall.pdfWing_WallWingwall Layout Guidance
wing wall layout.dgnwing wall layoutGuidance for Wing Wall Layouts
​Calculation Tools
KTDID.zipKTDIDKYTC Computer Programs
IDF.ZIPIDFBased on Thiessen Regional Polygons
Excel Spreadsheets
Download .xlsm files by right-clicking the link selecting 'Save target as', using Internet Explorer 7+ or Firefox.
Channel Design Summary.xlsChannel Design SummarySummary of Ditch Design Analysis
Entrance Pipe Summary.xlsEntrance Pipe SummaryHydraulic Parameter Summary Sheet
Silt Trap Volumes.xlsSilt Trap VolumesSize Silt Traps along a Uniform Ditch Slope
TC61-504.xlsxTC61-504Bridge and Culvert Summary
Storm Sewer Capacity NOAA.xlsmStorm Sewer Capacity NOAANon-pressure Flow Design usin NOAA data
Basin_Storage1.xlsxBasin_Storage1Performs Stage-Storage Calculations
Curb Box Inlet Calculations.xlsmCurb Box Inlet CalculationsInlet Spacing Design based on Spreadsheet
Rational Method Calculations16f.xlsmRational Method Calculations16fCalculates Design Flow based on NOAA intensities
Regional Method_1e2.xlsmRegional Method_1e2Calculates Rural Regional, Urban and Gage Based Flows
Reference Documents
Estimated Peak Gage Flows.docEstimated Peak Gage FlowsEstimated Peak flows at Selected Gages (WRIR 03-4180)
Ky Regional Map.pdfKy Regional MapFlow Boundaries and Gage Locations (WRIR 03-4180)
Acid Mine Drainage.XLSAcid Mine DrainageListing of Known Acid Mine Drainage Locations in Kentucky
Jefferson County Flows.pdfJefferson County FlowsJefferson County Flow Equations (WRIR 97-4219)
KY Region Flow Method.pdfKY Region Flow MethodUSGS Regional Flow Method for KY, 2003 (WRIR 03-4180)
Letter of Notification.docxLetter of NotificationFlood Impact Summary (DOW/Local Community)
FEMA No-Rise Certification.docFEMA No-Rise CertificationFEMA No-Rise Certification Instructions
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Local FLoodplain Coordinators
Software Applications
HECRAS.docHECRASHow to generate hydraulic sections in Microstation
KYTC Hydrologic Calculation Software Recommendations.pdfKYTC Hydrologic Calculation Software RecommendationsKYTC Hydrologic Calculation Software Recommendations
KyTC BMP Plan for projects let October 2006 and later.docKyTC BMP Plan for projects let October 2006 and laterKPDES BMP Plan as required by KPDES by KPDES Permit KYR 10
KyTC BMP Plan instructions.docKyTC BMP Plan instructionsInstructions for filling out BMP Plan
KyTC NOISW.docKyTC NOISWNotice of Intent for KPDES Permits with comments
NOISW.docNOISWNotice of Intent for KPDES Permits without comments
NOTSW.docNOTSWNotice of Termination Issued at Conclusion of Project, when project is stabilized
eNOI Walkthrough.pdfeNOI Walkthrough
bw aug 11 d and c memo.pdfbw aug 11 d and c memoDesign and Construction Guidance Memo
Special Note For Erosion Control as Lump Sum.docSpecial Note For Erosion Control as Lump Sum