Construction and commissioning of TW in village Jorkiyan under sub-division Hanumangarh Jn. under PHED, Dist-Hanumangarh

2.33 Construction of bore hole for shallow depth tube well from ground level to required depth for following size for all type of relevant strata by percussion/ rotary drilling/ hand boring method excluding cost of casing pipe. The bore hole should be as per nominal bore of PVC casing pipe. The work will be complete after obtaining sand free water. 2.33.4 250 mm dia nominal bore

2.22 Supply & Fixing M S clamp set of 50x6 mm flat from iron with nuts and bolts etc for holding the riser pipe assembly of submersible pump set.

2.23 Supply & Fixing tube well cover of MS sheet 8mm thick at top & 5mm thick 100mm wide shroud around the edge so as to form a cap on the top end of casing pipe with GI Nipple 45cm long & two GI flanges at both ends in 80mm sizes passing through a hole in the centre of MS sheet. A 25 mm socket with end plug shall also be welded over top plate. A GI nipple having outside thread of size 1/2 (for installation pressure gauge) shall be provided & welded with 80mm GI nipple near top plate nipple shall be provided with end plug. 2.23.4 250 mm dia

2.19 Supply & Fixing of ISI marked three core PVC flat submersible cable as per IS 694:1990 or amended up to date and conductor as per class 5 of IS 8130:1980 including making connection etc. 2.19.2 3 core 6.0 Sq.mm

2.20 Supply & Fixing XLPE insulated / P.V.C. sheathed cable of 1.1 KV grade with aluminium conductor Armoured of IS:7098-I/1554-1 approved make in ground as per IS:1255 including excavation of 30cmx75cm size trench, 25 cm thick under layer of sand, second Class bricks covering, refilling earth, compaction of earth, making necessary connection, testing etc. as required of size. 2.20.3 25.0 Sq.mm, 3.5 core

2.21 Plate Earthing as per IS:3043 with G.I. Earth plate of size 600mm x 600mm x 6.0mm by embodying 3 to 4 mtr. below the ground level with 20 mm dia. G.I. B class watering Pipe including all accessories like nut, bolts, reducer ,nipple, wire meshed funnel, and C.C. finished chamber covered with hinged type with locking arrangement C.I. Cover, C.I. Frame of size 300mm x 300mm complete with alternate layers of salt and coke/charcoal, testing of earth resistance as required.

Above 20 HP and up to 30 HP

20.10 Providing & lowering of G.I. flange pipe B Class including rubber washer and nuts of 8 mm dia complete in all respect. 20.10.3 100 mm dia

2.34 Providing and Lowering of ISI mark PVC-U casing and screen pipe as per IS : 12818 : 2010 or amended upto 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. 2.34.2 Medium well casing pipe (CM) suitable for depth above 80 mtr and up to 250 mtr. 2.34.2.5 250 mm nominal dia ( internal dia ).