providing mini power pump to bus stand insriperumbudur town panchayat, kancheepuram district.; 1 conducting geo physical survey for quality and quantity test including cost of all charges etc., complete 2 supply and delivery of pvc casing pipe as per is 12818 / 2010 with excise duty including cost and conveyance of all materials and labour charges etc., complete 3 a ) 150mm dia pvc plain casing pipe 4 b ) 150mm od pvc slotted casing pipe 5 c ) 150mm pvc end cap 6 drilling of borewells anywhere in tamilnadu including transportation from one place to another with in tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles boulders etc. by first taking a pilot bore of 140 mm / 150mm dia and then enlarging to required dia direct or reverse rotary mud circulation method using rotary rigs, fuel, labour and drilling bentonite and water required for drilling at site ( site will be shown by the twad board officers ) including construction of mud pit. 7 from 60m depth ending below ground level ( 60m ) 8 from 60m depth to 90m ending below ground level 9 from 90m depth to 120m ending below ground level 10 reaming 140 / 150 mm dia pilot bore to 300mm dia bore as directed by the twad board officer. 11 from 60m depth ending below ground level ( 60m ) 12 from 60m depth to 90m ending below ground level 13 from 90m depth to 120m ending below ground level 14 labour charges for inserting pvc casing pipes assembly ( with slots or without slots ) in the drilled hole including jointing the pipes with pvc couplers with cement paste etc., complete, supply and packing the annular space with pebbles of size and quality as approved by the executive engineers of twad board 15 charges for developing the borewell with air compressor of 600 cfm capacity ( minimum 8 hours ) including transportation, labour and one hour 1465.50 fuel charges for compressor as directed by twad officers and conducting yield test by ‘v’ notch method. 16 supply and delivery of single phase submersible pumpset suitable for 150mm dia borewell as per is 8034 / 2002 without panel board including cost and conveyance of all materials and labur charges etc., complete 17 supply and delivery of single phase panel board with two level guard and auto start panel board should be provided as per specification given in board circular no. 23 / dce / qata / 2004 / dt. 23.8.2004 including cost and conveyance of all materials and labur charges etc., complete 18 labour charges for the erection of submersible pumpset in borewell / openwell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of tpicn switches starter, voltmeter, ammeter, three pilot ( indicating ) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per ie rules etc., complete and testing the pumpset and trail run for 10 days. 19 supply and fixing of pvc and gi specials including cost and conveyance of all materials and labour charges etc., complete 20 a ) 1 1 / 4 gi pipe - 21 b ) 1 1 / 4 gi coupling 22 c ) 1 1 / 4 gi elbow 23 d ) 1 1 / 4 gm gate valve 24 e ) 1 1 / 4 nr valve 25 f ) 1 1 / 4 ci union 26 g ) 1 1 / 4 ms pipe clamp 27 h ) 1 1 / 4 gi pipe nipple - 9 28 i ) ms bore cover 29 4.0 sq.mm3 core submersible cable 30 construction of bore pit