HYDRAULIC DATA SHEET



SOUTH DAKOTA DEPARTMENT OF TRANSPORTATIONHYDRAULIC DATA SHEETCountyProject No.PCNSec.TownshipRangeExisting StationOver Drainage AreaDirection of Flow(N S E W) PreliminaryFinalQ-Design Yr. FrequencyObserved H.W. Elev.BRIDGE NO.LOCATIONW.W.BottomD.H.W. Elev.CrossSectionQdcfsAreasq ftVfpsSoft/ftStructureCh.H.W.ftdnftC.L.FL Elev.Culv.InletBridgeCh.Ch.DegreeSkewTrapezoid S:S RectangleRoundArchType:Size:Proposed Location:Notes or Remarks: Distribution HydraulicsBridgeFoundationsEnvironmentalRight-of-WayFHWASecondaryUrban SystemCityCountyRegionVertical Datum Used: NAVD 88: NGVD 29: Unknown:Area EngineerTopeka Shiner Stream: Yes No 404 Permit: Yes No31NGVD 29:31UNKNOWN:31CheckedCommunity Participating in NFIP: Yes No Aerial Photo No.FlightErodibleSite in Identified NFIP Floodplain: Yes NoIn-Place Structure:100-Yr. HW Elev. (existing): OHW Elev. =Revision No.Date:Supplement No.Date: Prepared By: Hydraulic Engineer Reviewed By: Date:SDDOT Engineer Date:HYDRAULIC SUMMARY FOR PLAN SHEETData ElementAlternative 1Alternative 2QdcfscfsAdsq ftsq ftVdfpsfpsQFcfscfsQ100cfscfsQOTcfscfsVmaxfpsfpsQd = design discharge for the proposed culvert or bridge based on FORMTEXT ????? year frequency. El. FORMTEXT ?????.QOT =overtopping discharge and frequency FORMTEXT ????? year recurrence interval. El. FORMTEXT ?????.Location FORMTEXT ?????.QF =designated peak discharge for the basin approaching proposed project based on FORMTEXT ????? year frequency.Q100 =computed discharge for the basin approaching proposed project based on 100 year frequency. El. FORMTEXT ?????.Vmax =maximum computed outlet velocity for the proposed culvert or bridge, based on a FORMTEXT ????? year frequency.The hydraulic data contained in these plans is valid only if the overflow section is maintained. Alteration of the overflow section will require re-analysis of the hydraulics at this site to determine its effect on public safety.Hydraulic Data to be Included on Roadway Profile SheetFlowElevationQd = cfsQ100 = cfsQOT = Q = cfs ................
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