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| 1 | Construction of tube well from ground level & up to 100 mtr depth to accommodate housing and assembly pipe of following sizes in all type of alluvium strataunconsolidated formation such as pebbles, boulders etc. by percussion/rotary drilling method as per IS:2800 Part 1: 1991 andIS:2800 Part II: 1979 (both amended upto date) and technical specifications, with gravel as per IS:4097-1967 and it\"s packing as per IS: 2800 (Part I & II) 1979 as amended up to date (the work includes the cost of gravel & it\"s primary packing and packing during development, lowering of housing & strainer assembly pipes with supply and wrapping of coir-rope, wherever necessary for arresting fine sand particles and development work, but excluding the cost of housing and strainer pipe assembly). The work would be completed after obtaining sand free water. |
| 2 | Nominal bore 125 mm dia |
| 3 | Add 15% extra on above item for drilling depth beyond 100 mtr, If depth of bore is more than 100 mtr. |
| 4 | Construction of Tube Well up to 100 mtr. depthin all type of rocks by DTH system & over burden to accommodate casing pipe of following sizes in all types of soils & over burden including lowering of casing pipes, (if required) excluding cost of casing pipes, as per IS:2800 Part 1: 1991 andIS:2800 Part II: 1979 (both amended upto date) and technical specifications. The work would be completed after obtaining sand free water. The tube well should have a through out bore as per nominal dia of casing pipe. |
| 5 | Nominal bore I 25 mm dia. |
| 6 | Add 15% extra on above item for drilling depth beyond 100 mtr, If depth of bore is more than 100 mtr. |
| 7 | Supply ofM.S. black casing pipe ISI marked as per IS:1239 (Part-I:2004) or amended up to date of following sizes. |
| 8 | 125 mm dia NB (Thickness of pipe 4.8mm & Mass of tube 16.40 Kg./m) |
| 9 | Labour charges for making slots on blank pipes made ofMS black pipe of following sizes, the slotting should be as per IS :8110-1985. |
| 10 | 125 mm dia nominal bore |
| 11 | Supply of ISI mark A.C. pressure pipe class-15 manufactured by MAZZA process as per IS-1592-2003 or ammended upto date, for casing of tubewell for following dia nominal bore, with jointing material PVC coupler as per technical specifications and directions of EIC.NB of pipeOD Thickness125mm147.0mm 11.00mm as per new addition. |
| 12 | Labour charges for slotting work of required width on blank A C. Pressure Pipe 125mm, Class-15 |
| 13 | Supply & installation of GI pipe 32 mm medium class \"B\" with pipe sockets (heavy duty). |
| 14 | Supply and installation of ISI Marked Deep Well Hand pump - Standard (SDWP) set as per IS:15500 : 2004 or as amended up to datecomplete with cylinder & 15 connecting rods. |
| 15 | Supply and installation of ISI Marked Extra Deep Well Hand pump (EDWP) as per IS:15500 : 2004 or as amended up to datecomplete with cylinder & connecting rods. |
| 16 | EDWHP + 20 connecting Rods. |
| 17 | Supply and installation of ISI mark connecting rod as per departmental specifications. of 3 meter length. |
| 18 | Installation of Deep Well hand pump setcomplete on existing platform as per IS:15500 : 2004 or as amended up to date. |
| 19 | Construction of 185 cm. dia platform as per Fig. 1.1 Typical set up for deepwell hand pump of IS : 15500 :2004 or amended up to date complete work. |
| 20 | Construction of Soakage well, as per approved drawing inall type fo soil with 300 mm thick dry masonary top and bottom 300 mm Course in cement morter 1:6, Ralthalkharanja, 40 mm thick stone slab jointing of slab, in cement mortar 1:3, ralthal kharanja, 40 mm thick M-15 grade CC flooring, earth work, completed as per approved drawing including disposal of earth with in a lead of 50 m. Dimensions of Soakage well (in mm) IDODDepth (from floor to roof) 18002400 2400 |
| 21 | Providing, laying and jointing glazed SW pipe grade A (IS:651) marked of approved make with spun Yarn and stiff mixture of cement mortar 1:1 excavation and refilling of earth in all type of soil upto 1.20m depth, SW fitting including testing of joints etc.complete. |
| 22 | 100 mm dia |
