CHAPTER II

THE DESIGNING OF A CANAL

1. Headworks 30

2. The Contour Map 36

3. Alignments and Discharges 37

4. Remarks on Distributaries 45

5. Design of Canal and Branches 47

6. Banks and Roads 53

7. Trial Lines 58

8. Final Line and Estimate 59

9. Design of a Distributary 60

10. Best System of Distributaries 71

11. Outlets 76

12. Masonry Works 80

13. Pitching 90

14. Miscellaneous Items 93

Irrigation works · 第 2 / 7 章