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| 1 | Drilling of Tubewell |
| 2 | Drilling of perfectly vertical bore hole of a diameter suitable to receive 150 mm nominaldiameter casingpipeupto desired depth below ground level inclusive of the labour chargesfor transporting, lowering and fixing of 150 mm nominal diameter M.S/ G.I / U.P.V.C casing pipe inside the bore hole including all works pertaining to drilling suchastransportation, installationand removal of drilling machine etc. complete. in all types of collapsible strata consisting of soils, clays, sand, moorum, gravel, boulders etc. |
| 3 | in all types of rocks. |
| 4 | Drilling of perfectly vertical bore hole of 150mmdiameteruptodesireddepth below ground level in all types of rock including all works pertaining to drilling suchastransportation,installationand removal of drilling machine etc. complete. |
| 5 | Drilling of perfectly vertical bore hole of a diameter suitable to receive 125 mm nominal diameter casing pipe upto desired depth below groundlevel inclusive of the labour chargesfor transporting, lowering and fixing of 125 mm nominaldiameterM.S/ G.I/ U.P.V.C casing pipe inside the bore hole including all workspertaining to drilling suchastransportation, installationand removal of drilling machine etc. complete. In all type of collapsible strata conisisting of soils, clays, sand, moorum, gravel, blouders etc. |
| 6 | in all types of rocks. |
| 7 | Drilling of perfectly vertical bore hole of 115 m.m. diameter up to desired depth below ground level in all types of rocks including all works pertaining to drilling suchastransportation,installationand removal of drilling machine etc. complete. |
| 8 | Labour charges for installation of India Mark II Hand Pump with 30 meter long 32 mm dia. riser pipe assembly and all other accessoriesincluding transportation of Hand Pump from specified departmental stores to site. |
| 9 | Add to item No.1 above for fixing the extra length of riser pipe assembly beyond 30 meters. |
| 10 | Measurement of yield of tube well by operating hand pump continuously for four hours manually |
| 11 | Construction of 76 cm.x 76 cm x 40 cm.foundation blockin 1:2:4 cement concrete for fixing the edestal of Hand Pump including excavation, cost of material and labours etc. complete. |
| 12 | Construction of cement concrete platform as per design around the hand pump in 1:2:4 cement crete including excavation, centering, shuttering, cost of all the materials and labour andcuring etc complete. |
| 13 | Construction of cement concrete drain as perdesignin1:2:4cementconcrete including excavation, centering, shuttering, cost of all thematerials and labour and curing etc complete. |
| 14 | Construction of sokage pit of 70 cm dia. and 1.0 m deep including excavation,brickliningattopin1:4 cement mortar, filling of broken bricks etc.andcostofallthematerialsand labour and curing etc complete. |
| 15 | Providing and fixing ofwell cap on top of the tube well for protection 150 mm dia. |
| 16 | Construction of concrete block over dry tube wells for protection of size 0.45m x 0.45m x 0.45m in M-15 cement concrete mix. |
| 17 | Disinfection of tube well using bleaching powder solution as per the directionofEngineer in Charge including cost of bleaching powder and labour etc. complete |
