Providing new borewell arrangements in the work of Construction of Scientific Storage Godown of 2000 MT capacity in TNCSC campus at Athukurichi Village in Andimadam Taluk in Ariyalur District

CIVIL WORK

Drilling of bore well of 150 mm dia including transportation from the place with in the above district in alluvial soil sedimentary strata of ckay and sand stone shale pebbles boulders etc by first taking pilot of 140mm/150mm/200mm dia and the enlarging to required dia by direct or revise rotary mud circulation method using contractor’s rig fuel labour drilling betonies mud and water required for the drilling at the site shown by the departmental officers upto 60M depth ending below ground level.

60m and upto 90M depth

90m and upto 120M depth

120m and upto 150M depth

150m and upto 180M depth

Reaming from 140/150mm dia pilot bore to 300mm dia bore as directed by the departmental officers upto 60 M depth ending below Ground level.

60m and upto 90M depth

90m and upto 120M depth

120m and upto 150M depth

150m and upto 180M depth

Charges for developing the bore well for entire depth with suitable air compressor of 300RPM capacity (minium 8 hrs) including the transportation labour and fuel charges for conmpressor and directed by the departmental officers and conducting yield test by "V" notch methods, excluding the cost of bore charges and conveyance charges of handle boring.

Supplying and fixing PVC casing pipe 0f 150 mm dia in 3M length each as per ISI 12818 / 1982 to suit deep bore for delivery at site including loading and unloading, freight, transit insurance etc., complete.

Supplying and fixing PVC ribbed screen pipe 0f 150 mm dia plain pipe in 3M length each as per ISI 12818 / 1982 to suit deep bore for delivery at site including loading and unloading, freight, transit insurance etc., complete.

Supplying and fixing PVC bore well end cap of size 160/168mm dia of approved quality as directed by the departmental officers.

Labour charges for inserting 150 mm dia PVC casing pipe assembly (with slot or without slot) in the drilled hole including jointing the pipes with PVC coupler and cement paste etc.,, complete supplying and packing the annular space with pebbles of size and quality including conveyance is approved by the departmental officers. upto 15M depth ending below ground level.

Supplying and Erection of 3 H.P submersible pumpset confirming to IS-14220 with ISI mark 75x75 LPM X mts Suitable for 150mm bore well complete complying with standard specification including suitable 3-phase panel board with DOL with two level guard starter and accessories and labour charges for erection of submersible pump set in bore well including fixing and jointing the submersible cable(but excluding cost of 4sqmm -3core copper cable) with proper clamps,pressure gauges upto the exterior wall of panel board consisting of JPICN switch starter, voltmeter, ammeter, 3pilot(indicating) lamps capacitor,single phase preventometer,water level guard and laying and jointing the cable and twin earthing as per IE rules etc., complete and testing pump set on trail run for 3days etc., complete complying with standard specification.

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

Supply and delivery of direct online starter confirming to ISI3947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/single phase /50HZ (+ 5%) and 230V (+ 10%) including ammeter, voltmeter, Thermal Overload relay, 16 Amps 2 pole Magnetic Conductor with under Voltage protection, Indication lamp, starting capacitor, running capacitor and on/off push button switches, 5 way connector, wiring with 1 sq.mm/1.5 sq.mm copper PVC insulated cable, powder coated vermin proof box including the capacitor (the cost of capacitor is to be taken separately).

Supply of 2.50 sq.mm / PVC insulated and sheathed 3 core flat type copper cable for submersible motor confirming to IS 694 /1990 for openwell subermible pumpset erection in the filtration will no 1 tec completed.

Supply and fixing the Nylon Rope to connect the submersible motor in borewell etc., complete.

Supplying and fixing in position first quality and approved variety of Gun metal Gate Valve / Wheel Valve of 32mm dia with ISI make including cost of shellac, thread balls, etc., complete.

Supplying, and fixing PVC pipes of 32mm dia of approved quality and variety conforming to pressure IS 4985. The rate is inclusive of cost of pipe, all taxes, conveyance charges of materials and all other labour charges for fixing the PVC pipe as directed by the departmental officers etc., complete complying with standard specifications. The PVC pipe should be got approved by the departmental officers before use on work.

Supplying, and fixing UPVC pipes of 40mm dia of approved quality and variety conforming to pressure IS 4985. The rate is inclusive of cost of pipe, all taxes, conveyance charges of materials and all other labour charges for fixing the PVC pipe as directed by the departmental officers etc., complete complying with standard specifications. The PVC pipe should be got approved by the departmental officers before use on work.

Supplying and fixing in position 40mm dia GI Union of heavy duty of approved quality and good variety including cost of fixing charges necessary cutting and threading of Pipes, jointing the Specials etc complete.

Supplying and fixing in position 40mm dia GI Bend of heavy duty of approved quality and good variety including cost of fixing charges necessary cutting and threading of Pipes, jointing the Specials etc complete.

Supplying and fixing 40mm dia MS Borewell clampset as to properly hold the pipeline as directed by the departmental officer.

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