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| 1 | Providing and installation of India Mark-III (65mm) India Mark-II (50mm) and India Mark-II extra deep (32mm) deep well hand pumps as per IS 13056 -1991 alongwith its upto date amendments and IS 9301 respectively comprising of following items:- Transporation of suitable truck/Tractor mounted where only road available , DTH and ODEX / percussion calyx /RC drilling with portable rigs alongwith necessary accessories etc to the site of work and erection of portable rig including levelling of site etc. complete in all respect as per direction of the Engineer-in-charge. |
| 2 | Drilling bores of 165mm dia as per IS 2800-1979 using DTH from ground level in the overburden as per directions of the Engineer-in-charge / Hydrogeologist, with suitable rigs for drilling through rocky formations consisting of sand stone, limestone, dolomites , conglomerate , boulders, pebbles, gravels, silt ,clay or any other type of sedimentary metamorphic and igneous rocks including cost of attachments , consumable stores, bits ,water, POL etc complete in all respect as detailed below:- (DTH) |
| 3 | From 0 to 10 mtr depth. ( 5 X 10 =50 meters) |
| 4 | Above 10 mtr. ( 5 X 60 =300 meters) |
| 5 | Drilling bores of 152mm dia as per IS 2800-1979 using ODEX (TUBEX) attachment required drilling in collapsible strata, conglomerate, boulders, pebbles, gravels ,silt , clay etc including cost of attachement ,consumable stores, bits , water , POL etc complete with system of simultaneous lowering of 125mm nominal bore 50 mm thick MSERW fincut casing pipe which will be welded together using 2.5mm or 3.25mm dia advani/Oerlikon electrodes with one plain end and the other end chamfered to 50 degree removing paint on the area to be welded , inclusive of the cost of biodegradable and non-toxic foam flush etc complete in all respects as per direction of the Engineer-in-charge. MSERW fincut casing pipe, casing shoe and bit tube as per requirement of ODEX to be paid separately. (1 X 80 = 80 Meters) |
| 6 | Drilling bores of 115mm dia as per IS 2800-1979 from bottom of overburden to required depth in conglomerate, collapsible strata and rocky formations complete in all respect as per directions of the Engineer-in-charge / hydrogeologist. (6 X 3 = 18Rmt.) |
| 7 | Supplying and lowering of IS marked I25mm nominal bore, 5.00mm thick finuct MSERW casing pipes as per IS 4270-2001 and requirment of ODEX attachment from approved manufactures complete in all respects as per directions of the Engineer-in-charge. (1 X 80 = 80 Rmt.) |
| 8 | Supplying and lowering IS marked 125mm dia PVC casing pipe medium class 5mm thick screwed and socketed as per IS 12818-1992 ( Part-I) with upto date amendments including cost of all cuttings ,f factory threadings , welding where ever required, in a random length of 6 mtrs including transporation charges complete in all respect as per the direction of the Engineer-in-charge. (DTH) (5 X 70 = 350 Rmt.) |
| 9 | Providing and fixing suitable casing shoe and bit tube as per requirement of ODEX attachment complete in all respect as per direction of the Engineer-in-charge. (1 X 1= 1 Nos. ODEX) |
| 10 | Collection and preservation of soil samples in polythene bags complete in all respect as per direction of the Engineer-in-charge. |
| 11 | Development of bore well and yield testing with Air compressor through V-notch and disinfection etc. complete in all respect as per IS-2800-1979 and as per direction of the Engineer-in-charge. |
| 12 | Supplying and lowering of IS marked Riser pipes medium class screwed and socketed and welded conforming to IS 1230-1990 ( Part-I) with upto date amendments electric resistance welded including cost of all cuttings, threading and welding ,wherever required, in a random length of 3 mtr. inclusive of transportation charges to the site complete in all respects and as per direction of Engineer-in-charge. The seam less sockets shall be provided as per IS 13056-1991. |
| 13 | 65mm dia GMS pipe (ODEX) (1 x 30 = 30Rmt.) |
| 14 | 32mm dia GMS pipe. (DTH) (5 x 30 = 150Rmt.) |
| 15 | Supplying and erection of IS marked India Mark-III deep well hand pumps (65mm) conforming to IS 13056-1991 consisting of pump head assembly, cylinder assembly and seven connecting rods complete in all respect for installation upto 30 mtrs depth as per direction of Engineer-in-charge. (ODEX) |
| 16 | Supplying and erection of IS marked India Mark-II deep well hand pump (32mm) conforming to IS 9301 consisting of pump head assembly, cylinder assembly and seven connecting rods complete in all respect for installation beyond 30mtrs as per direction of the Engineer-in-charge. (DTH) |
| 17 | Providing and fixing of extra connecting rods upto 3 mtrs length in hand pumps as per site conditions complete in all respect and as per direction of the Engineer-in-charge. |
| 18 | Providing and laying cement concrete 1:2:4 (1cement:2sand:4graded stone aggregate 20mm nominal size) in pedestal 1.75 mtr. internal dia including cost of curing, earth work in foundation, form work, stone soling etc in all leads and lifts complete in all respect as per direction of the Engineer-in-charge. Please Enable Macros to View BoQ information |
