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| 1 | Construction of Recharge Shaft in filter pit including Earth work Excavation , lifting excavted earth with all lift and 50 m lead and centering & shuttering evenever required., Diameter 900 mm |
| 2 | Supply & fixing Pre-cast RCC Rinngs at the mouth of recharge shaft of M20 mix with 40 mm thickness, Diameter 900 mm |
| 3 | Construction of tubewell up to 100m depth and above to accomodate housing and assembly pipe in all types of alluvium strata by rotay drilling method with \"code of practice for construction and testing of tubewells (IS:2800 (Part-II) : 1991 and IS:2800 (Part-II) :1979 both amended up to date) with supply of bail plug if necessary.The work will not include cost of housing pipe and strainer pipe assembly cost, gravel and development work. Work would be deemed completed only after obtaining sound free water during pumping., 250 mm nominal bore |
| 4 | Supply and lowering vent air pipe 63mm dia rigid PVC pipe(IS 4985) mark class II (4kg per cm2 ) with required all necessary fittings including perforation of 3 to 5 mm size all around the pipe at a distance of 180 to 220mm in zig zag fashion and making air vent at top complete as per direction of Engineer incharge. |
| 5 | Supply & lying River-gravels of following sizes in recharge shaft, filter pit after screening & washing from kachha shift without deduction of voids, Size 9 to 12 mm |
| 6 | Supply & lying River-gravels of following sizes in recharge shaft, filter pit after screening & washing from kachha shift without deduction of voids, Size 3 to 5 mm |
| 7 | Supply & laying of clean, clear sharp river sand of size 1 to 2mm coarse, without deduction of voids. |
| 8 | Earth work in excavation by mechanical means (Hydraulic excavator )/ manual means over areas (exceeding 30cm in depth. 1.5m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5 m , disposed earth to be levelled and neatly dressed : All kinds of soil |
| 9 | Providing and laying in position cement concrete including curing, compaction etc. complete in specified grade excluding the cost of centering and shuttering - All work up to plinth level., 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size). |
| 10 | Random Rubble stone masonry for with hard stone in foundation and plinth in Cement Sand mortar above 30 CM thick wall in:, Cement Mortar 1:6 ( 1-Cement : 6-Sand). |
| 11 | Providing and laying in position cement concrete including curing, compaction etc. complete in specified grade excluding the cost of centering and shuttering - All work up to plinth level., M15 grade Nominal Mix 1: 2: 4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size). |
| 12 | S & F tube well cover of M.S.sheet (6mm thick) with nuts and bolts complete for casing size:, 250mm dia |
| 13 | P&F rigid PVC Pipe (IS:4985 mark) class II/ (4 Kg. /Cm2.) approved quality /make including joining the pipe with solvent cement rubber ring and lubricant., 160 mm dia |
| 14 | P&F rigid PVC Pipe (IS:4985 mark) class II/ (4 Kg. /Cm2.) approved quality /make including joining the pipe with solvent cement rubber ring and lubricant., Providing & Laying C.C. 1:3:6 (Stone Agreegate 20mm nominal size) all around PVC Pipe including 7.5 cm thick bed concerte [Width & Height = Dia of Pipe in CM+15CM] excluding cost of Pipe & Excavation of trenches etc., PVC pipe 160 mm dia |
| 15 | Providing and Lowering of ISI mark PVC-U casing and screen pipe as per IS : 12818 : 2010 or amended up to date having pipe thickness as per IS code suitable for TW and DCB with threading , winding with superior quality of plastic mesh & rope in three layers with end cap complete as per technical specification and direction of Engineer In charge., Shallow well casing pipe (CS) suitable for depth up to 80 mtr., 250 mm nominal dia ( internal dia ). |
| 16 | Providing and fixing steel gate, grating , and grills made of angles, tees, square bars, flats,or black pipe with holdfast and fittings complete as per design and drawing including cutting welding and fabrication with priming coat of red oxide |
| 17 | Random rubble masonry in case of stone pitching laid with cement mortar (1:5) |
| 18 | Plaster on new surface on walls in cement sand mortar 1:6 including racking of joint etc. complete fine finish :, 25 mm thick |
