Αποτελέσματα Αναζήτησης
Tr 55 Worksheet 4: Graphical Peak Discharge Method Project: Designed By: Date: Location: Checked By: Date: Circle one: Present Developed 1. ... (From Worksheet 2) 8. Pond and swamp adjustment factor, F p..... in (Use percent pond and swamp area with Table 4-2. Factor is 1.0 for zero
Soil name and hydrologic group (Appendix A) Table 2-2. CN 1/. Fig. 2-3 Fig. 2-4 Product of CN x area. Area acres mi2 %. Cover description ( Cover type, treatment, and hydrologic condition; percent impervious; unconnected/connected impervious area ratio) 1/ Use only one CN source per line. Totals =. CN (weighted) = total product = total area.
Circle one: Present. Developed. Circle one: Tc. Tt. through subarea. NOTES: Space for as many as two segments per flow type can be used for each worksheet. Include a map, schematic, or description of flow segments.
Technical Release 55 (TR-55) presents simplified procedures for estimating runoff and peak discharges in small watersheds. In selecting the appropriate procedure, consider the scope and complexity of the problem, the available data, and the acceptable level of error. While this TR gives special emphasis to urban
%PDF-1.6 %âãÏÓ 712 0 obj > endobj xref 712 19 0000000016 00000 n 0000002391 00000 n 0000002485 00000 n 0000002789 00000 n 0000003599 00000 n 0000003694 00000 n 0000004450 00000 n 0000004487 00000 n 0000004602 00000 n 0000004715 00000 n 0000004905 00000 n 0000005089 00000 n 0000007049 00000 n 0000007086 00000 n 0000007200 00000 n 0000008380 00000 n 0000312293 00000 n 0000323106 00000 n ...
Technical Release 55 (TR-55) Urban Hydrology for Small Watersheds was first issued in January 1975 as a simplified procedure to calculate the storm runoff volume, peak rate of discharge, hydrographs and storage volumes required for storm water management structures (SCS, 1975).
Now Natural Resources Conservation Service (NRCS) "Technical Release 55 (TR-55) presents simplified procedures to calculate storm runoff volume, peak rate of discharge, hydrographs, and storage volumes required for floodwater reservoirs.
