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Edward Yousif February 2013 DRAINAGE DESIGN MANUAL REVISION HIGHLIGHTS 1.

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Presentation on theme: "Edward Yousif February 2013 DRAINAGE DESIGN MANUAL REVISION HIGHLIGHTS 1."— Presentation transcript:

1 Edward Yousif February 2013 DRAINAGE DESIGN MANUAL REVISION HIGHLIGHTS 1

2 2

3 DRAINAGE SOFTWARE (HYDROLOGY AND HYDRAULICS) XP SWMM StreamStats Hydraulic Toolbox (Version 4.0) Geopak Drainage (Bentley V8i) 3

4 SECTION 4.0 FLOODPLAIN / DETENTION SEPARATION 4

5 SECTION 8 CULVERT DESIGN Culvert bottom should be designed with a natural soil “n” value. 5

6 SECTION 9.2 BRIDGE HYDRAULIC DESIGN WWIT Calculation Sheet Appendix H 6

7 Waterway Information Table Back-Up Calculations Calculate Freeboard and Clearance Calculate Effective Waterway Opening Area For Bridge Calculate Effective Waterway Opening Area For Culvert Calculate Created Head 7

8 SECTION 10.0 ROADWAY DRAINAGE DESIGN 8

9 SECTION 10.5 LINE OR REPLACE EXISTING CMP PIPES 9

10 SECTION 11.0 STORMWATER DETENTION STORAGE 10

11 DITCH CHECKS – CHECK DAMS 11

12 SECTION 11.5 DETENTION IN DITCHES Base Sheet M-26 12

13 APPENDICES - DRAINAGE CALCULATIONS Provide summary tables and narrative descriptions for each set of calculations. Provide clear references to proposed plan and profile sheets. Use Tollway recommended drainage software, or provide sample calculations if other software is used. Tollway calculations should be separated from calculations performed for other agencies. Check Concept Drainage Report before starting work on contract drawings. List inconsistencies with the Tollway Drainage Manual. Verify survey vs. as-built drawings via field check. 13

14 Questions ? 14


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