improvement of passage and drainage system at ,kranti nagar 260-e,f, jss roadin beat no. 218 in d ward. - 1 excavation in earth 2 p/f gully trap 3 dismantling of old s.w. pipes 100 mm 4 dismantling of old s.w. pipes 150 mm 5 p/l 150 mm dia. s.w pipe 6 p/l 100 mm sw pipe 7 p/l m-10 c.c. full encasement 8 p/l m-10 c.c. full encasement 9 p/f 100mm dia. upvc pipe 10 p/f 75mm dia. upvc pipe 11 nominal mix of 1:3:6 12 p/f rough shahabad ladi. 13 const. in. chamber 14 extra over depth 15 r/f g.i pipe 16 p/f inauguration granite stone 17 extra for letters in golden colour 18 extra for letters in golden colour border line 19 supplying and fixing 0.90m x 0.45m internal size of rectangular c.i. air-tight cover and frame weighing minmum 225 of material grade of min. 20 p/f r c c cover with frame 90x45