![]() -Tc Calculator Excel Spreadsheet (Appendix E-27).-VCRat2.64 can use revised rainfall and C coefficients or legacy rainfall and C coefficients. ![]() -VCRat2.64 Program to run on 64-bit machines with Windows 7 and 10.-Revised Rainfall Zones using NOAA 2011 Design Intensity Data.Read How to Use Shapefiles in AutoCAD Civil 3D or Map 3D Open 2017 VCRat2.64 and Spreadsheet User Manual Open Public Viewer for 2017 NOAA Rain Zone Map- 31 Zones, 10-, 25-, 50-, and 100-yr Rainfall Contours – and 2005 LiDAR Data Open 2017 Hydrology Manual (24 mb, pdf) (Appendix E files provided below)ĭownload 2017 Hydrology Manual (24 mb, zip)ĭownload Updated 2021 Tc Calculator Zip Package (Installation instructions in ReadMe file in Zip Package) The alternatives for providing this capability on your computer are provided in a memo ( Download Memo). You have to create the folder (case sensitive) so that the program will run.Ģ) If you have tried to install the VCRat2.6 program on your 64-bit computer, you must uninstall that program before installing the 2.64 program.ģ) Windows 10 Computers require that you have Administrator privileges to change the options in the VCRat2.64 program to use J Zone rainfall or mix storm types in a single model run. If the install package does not create this folder, the program will not run. Army Corps of Engineers (USACE) HEC-HMS program, the Environmental Protection Agency’s (EPA) Hydrologic Simulation Program – FORTRAN (HSPF) model, and the USACE HEC-SSP implementation of the Bulletin 17B method for flood flow frequency analyses 2017 Design Hydrology Manual and VCRat2.64 Now Available!ġ) Some 64-bit Windows 10 computers are preventing the VCRat2.64 Install Package from creating the required c:\VCRatWorkspace folder. The methods are used in computer programs such as the District’s VCRat program, the U.S. The methods can be used on all small, intermediate, and large size watersheds under various conditions of development. Input data and design procedures are intended to be sufficiently flexible that the methods can be adopted for use by all agencies and engineering consultants engaged in the design of flood control works throughout the county. The methods should be used for projects subject to Ventura County Watershed Protection District (District) requirements. The intent of this manual is to present guidelines and sufficient input data for computing design hydrology in Ventura County. Accela Citizen Access – County Permit System.Matilija Dam Ecosystem Restoration Project.Construction
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