| SL# | Item Code | Item Description | Unit |
Rate for ZoneA Dhaka & Mymensingh Division |
Rate for ZoneB Chattogram & Sylhet Division |
Rate for ZoneC Rajshahi & Rangpur Division |
Rate for ZoneD Khulna & Barishal Division |
|---|---|---|---|---|---|---|---|
| DIVISION 27 : DEEP TUBE-WELL | |||||||
| 1821. | Supplying and sinking of 40 mm dia water grade uPVC tube well pipe having wall thickness 2.5 mm to 3.0 mm including trial boring and with all necessary fittings as required etc. all complete and accepted by the Engineer-in-charge. | ||||||
| 1822. | Pumping test of the well by designed turbine/submersible pump with supply of testing equipments for pressure/ velocity/ discharge etc. and all materials for 72 hours including yield drawn and recovery test etc. complete as per specification and accepted by the Engineer-in-charge. | hour | 1275 | 1272 | 1259 | 1259 | |
| 1823. | Disinfections of the well including supply of sufficient quantity of bleaching powder (33% strength) chlorinated water having 150 ppm available free chlorine etc. complete as per standard specification and accepted by the Engineer-in-charge. | each | 2819 | 2819 | 2819 | 2819 | |
| 1824. | Supplying and sinking of 3 m long uPVC strainer with all necessary fittings as required etc. complete and accepted by the Engineer-in-charge. | each | 702 | 698 | 683 | 683 | |
| 1825. | Supplying, fitting and fixing of No. 6 pump for 40 mm dia tube well with all necessary fittings including 0.61 m long 40 mm dia G.I. Pipe etc. all complete as per accepted by the Engineer-in-charge. | each | 4167 | 4167 | 4167 | 4167 | |
| 1826. | DEEP SET HAND OPERATED TUBE WELL | ||||||
| 1827. | Supplying and sinking uPVC, tube well pipe, uPVC strainer including trial boring with all necessary fittings as required etc. all complete and accepted by the Engineer-in-charge. | ||||||
| 1828. | Supplying, fitting and fixing of deep set tube well pump (Hand set) with all necessary fittings as required such as No. 6 pump, 50 mm dia G.I. pipe 0.61 m long, 50 mm x 40 mm reducing socket, 40 mm dia pipe Nipple 1.22 m long cylinder, tie foot ball, tie plunger, 3 Nos. 10 mm dia sockets, 4 Nos. 10mm dia nuts, 5 Nos. end threaded 10 mm dia M.S. rod 3 m long, necessary quantity of solution and tape etc. complete and accepted by the Engineer-in-charge. | each | 8248 | 8224 | 8126 | 8126 | |
| 1829. | 27.1 | Mobilization of test boring or observation well: Transportation of materials, equipments, tools and plants and boring rig to work site. Construction of derrick and dismantling the same. Cleaning the site after completion of the work accepted by the Engineer-in-charge. | per set | 7853 | 7853 | 7853 | 7853 |
| 1830. | 27.10 | Boring: Execution of 325 mm dia boring through all sorts of strata by reverse circulation or any other approved method (Method other than reverse circulation is to be applied only for wells deeper than 152 meter). Boring for 325 mm dia vertical hole up to designed depth and collection of soil samples at every 3 meter interval or as required and at every change in soil stratum including sinking and with drawing necessary casing pipe and all necessary arrangements complete as per specification and accepted by the Engineer-in-charge. (Measurement will be allowed from E.G.L. to bottom of the blind pipe and the rate is inclusive of the cost of extra depth or of further boring required due to caving and siltation) | |||||