tender for water stabilization pond(wsp) construction work sandwa; 1 excavation of soil upto 1.5 m depth in foundation trench and drain, tamping the bottom, pouring water, dressing the sides, taking out the excavated soil, filling the pit, filling the empty spaces with soil again and disposing of the remaining soil upto a distance of 50 m. 2 depth 1.5 to 3.0m 3 depth 3.0 to 4.5m 4 masonry of 1st grade bricks in foundation and plinth in the ratio of 1:8, including closing the side cracks and ramming 5 cement plaster on wall by mixing cement and gravel in the ratio of 16, scraping and ramming the joints. 20 mm thick 6 brick mortar 75mm in 1:6 cement mortar 7 supply & laying pvc pipe (110 mm) 8 colour and painting work 9 add 2% for contigency charges in stone pitching works