tender for jal grahan koop construction work in aspalsar dhurkera - excavate the foundation trench and drain to a depth of 15 meters, level the bottom, add water, and level the bottom. remove the excavated soil, fill the empty spaces after compaction with soil, and dispose of the loose soil up to a distance of 50 meters.3. lay 75 square bricks for the foundation and plinth, using cement-gravel mortar, 18 mortars, including closing the side cracks and leveling.4. cement plaster the walls by mixing cement and gravel in a 1:6 ratio, ramming and leveling the joints.5. lay the roof with top-grade stone slabs, and place a wedge over the joints, applying a 1:4 ratio of cement and gravel mortar on both sides, and then leveling from below. brickwork trench over the roof of the strips with an average thickness of 100 mm, with a slope of 1:50, using 25% lime, rammed and plastered in all respects and cement plaster of 1:6 20 mm.6 ironwork in grills/gates etc., including cutting, mounting and fixing of flat cornices, tees, and corrugated (channels).7 filling of concrete 65 mm 3.05 14 2.1 void less 1/118 add for photo and wall writing9 add for doorways10 construction of tube-well from ground level and up to 100 meter depth and above to accommodate housing and assembly pipe in all types of alluvium strata, unconsolidated formation such as pebbles, etc. by perussion/rottary drilling method as per is:2800 (part-l & 11)1979 as amended upto date the work will include cost of lowring of housing, stainer assembly pipes with supply and warpping of coin rope wherever necessary and development of tube well as per is specification using suitable compressor but not include cost of casting & stainer pipe. the work would be completed after obtaining sand free water. the tube well should have a throughout bore as per nominal dia of casing pipe 200mm phed bsr 2.1.311 supply of erw m s black casting pipe isi marked (is:4270/2001) or amended upto date of grade fe 410 of following sizes at site of work 2.10 250mm12 labor charge for making siot in blank pipe made of erw m.s. black pipe is mark of following sizes at the site work including required size of slotting as per is 8110-1985. 200 dia 200mm13 less than 10%14 less tender difference