wdg from sl to il and steg at km 0 by 0 1 by 270 1 by 360 1 by 900 of km 310 by 4 of nagai gudalur mysore to semmipalayam via kalivelampatty incl reconstn of box culvert reconstn of pipe culvert at km 0 by 8 1 by 6 1 by 850 and constn of rtg wall at km 0