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| 1 | Excavation in trenches not exc 1.5m wide and not exc 1.5m in depth, for laying of cables/pipes and getting out in soft/loose soil, complete all as as directed. |
| 2 | Removing excavated soil/materials not exc. 50mtr and depositing where directed at level not exc. 1.5m, above the starting point complete all as specified and as directed. |
| 3 | Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25cm in soft/loose soil complete all as specified and as directed. |
| 4 | Material and labour for sand cushioning for under ground cable with locally available sand for protection of cable including spreading and consolidations, complete all as specified and directed. |
| 5 | Supply and laying in trenches dry well burnt locally available sub class “B” bricks over sand cushioning for protection of cable complete all as per specified and directed. |
| 6 | M & L for Electrologging test with using suitable equipments for the bore hole before sinking/lowering of pipes, filters etc., for assessing proper delineation of water by government recognized agency/Govt firm and report shall be submitted to GE for approval for work complete all as specified and as directed. |
| 7 | M&L for provn of 50mm dia PVC pipe upto 150 metre depth or as reqd below ground level in any kind of soil/strata & testing the water availability incl all necessary arrangements of reqd length and PVC filter as required & other connected fittings complete all as directed.Note : Making of bore hole shall be measured under item No. 10 to 14 here in after. |
| 8 | M&L for testing of raw water for all chemical parameters PH value, TDS, turbilidty, chlorine, redness, sulphate, iron, Arsenic, floride, nitrate & other organic impurities etc. & other relevant parameters as per IS 3025, IS 5402 & IS 15185 & testing from Govt approved laboratory & as approved by the GE & furnishing test report indicating all chemical & bacteriological analysis, presence of fluorine contents if any including ref permissible parameters all as directed. |
| 9 | Transportation of well drilling rig and equipment to work site for trial bore and development of tube well including erecting and dismantling of the same and return back after completion of work including M&L for Yield test for the bore well by continuously pumping for 16 hours to determine safe pumping yield as desired complete all as specified and as directed.Note : Contractor shall arrange reqd pump set (electric/IC driven) for testing of reqd yeild 17000 GPH & obtaining water sample for testing purpose complete. If reqd yield & quality not achieved by pumping out water, compressor cleaning etc shall continue to be done by contractor for obtaining desired result or depth of trial bore increase/ decrease to be suggested by the contractor for achieving the reqd yeild. The increase/ derease of trial bore depth pipe shall be measured in item No. 07 here in before & compressor cleaning to be paid in item No. 24 here in after. |
| 10 | Drilling and development of bore hole of 300mm dia for tube well by reverse rotary circulation method rig machine 25 inch bore size of top or bottom by different cutters including all arrangement with appliances incl using bentonite or silty clay as per site/soil condition for settlement of bore hole for the depth from ground level upto 30 metre, complete all as specified and as directed. |
| 11 | Ditto all as item No. 10 hereinbefore but depth exc. 30 metre but not exc 60 metre depth, complete all as specified and as directed. |
| 12 | Ditto all as item No.10 hereinbefore but depth exc. 60 metre but n.exc 90 metre depth, complete all as specified and as directed. |
| 13 | Ditto all as item No. 10 hereinbefore but depth exc. 90 metre but not exc 130 metre depth, complete all as specified and as directed. |
| 14 | Ditto all as item No. 10 hereinbefore but depth exc. 130 metre but not exc 150 metre depth, complete all as specified and as directed. |
| 15 | M&L wooden sample strata box compartmentalised design (min 150 compartments) of size 1.00x1.00mx100mm deep before inserting pipes with glass shutters for keeping the records of soil strata of depth as per ground, all as specified and directed by Engr-in-Charge.Note : Sample of soil to be collected and stored in proper manner to determine ground water based on Soil Sample. |
| 16 | Supply, lowering, assembling and fixing, 300 mm dia bore ERW, heavy duty, MS housing pipe of 7mm wall thickness, plain ended arc welded butt joint with heavy duty collar and 32x6 mm mild steel flat iron centre guide in each joint (04 Nos of each joint) complete all as specified and as directed. |
| 17 | Supply, lowering, assembling and fixing, 200 mm dia bore ERW, heavy duty, MS housing pipe of 7 mm wall thickness, plain ended arc weld butt joint with heavy duty collar and 32x6 mm mild steel flat iron centre guide in each joint (04 Nos of each joint) complete all as specified and as directed. |
| 18 | Supply, and fixing in position 200 mm dia with wall thickness of 7.3 mm stainless steel slotted pipe strainer (ISI marked) conforming to relevant IS, welded with MS pipe and heavy duty collar and welded centre guide MS flat iron 32x6 mm, complete all as specified and as directed. |
| 19 | Note for Serial item No 16.00 to 18.00 :- Based on strata/ type/sample of soil, layout of Column pipe/strainner (slotted pipe) to be got approved from the Ground Water Department/ Govt approved testing authority and the same to be submitted to the accepting officer for approval before lowering of column pipe/ slotted pipe. |
| 20 | Supply, lowering, assembling & fixing in position 200mm dia bore heavy duty bail plug, 3 meter long ERW MS pipe of 7.00 mm thick and cover with 6mm plate duly welded, complete all as specified & directed. |
| 21 | Supply and fixing in position by welding, heavy duty MS reducer 300x200 mm of wall thickness 7mm and 32x6 mm MS flat iron centre guide 02 Nos., complete all as specified and as directed. |
| 22 | Supply and fix housing clamp made out of 100mm x 12mm thick and 700 mm long flat iron for casing pipe of size 300 mm incl necessary nuts, bolts & washers, complete (two half pieces) all as specified and directed |
| 23 | Supply and fix well cap in two parts made out of mild steel plate of appropriate size for covering 300 mm bore of tube well, central arrangement, duly welded with locking arrangement, making holes for passing 100mm dia column pipe and 2 run of 3 core, 10 Sqmm flat submersible cable, complete all as specified and as directed. Please Enable Macros to View BoQ information |
| 24 | Supply and fix well cap in two parts made out of mild steel plate of appropriate size for covering 300 mm bore of tube well, central arrangement, duly welded with locking arrangement, making holes for passing 100mm dia column pipe and 2 run of 3 core, 10 Sqmm flat submersible cable, complete all as specified and as directed. Please Enable Macros to View BoQ information |
