construction of canal from km 0.225 to 9.6 b.syphon at 0.675 at 0.9 at 1.67 at 3.05 p.syphon at 3.6 b.syphon at 4.0 super passage at 5.7 b.syphon at 8.184 at 9.5 escape at 6.465 box culvert at 1.48 at 2.05 at 2.796 at 4.55 at 7.1 at 8.313 at 9.030 on rpbc