Providing Bore well with water supply arrangements in the work of Construction of storage godown of 2500M.T capacity in TNCSC campus at Sirukothan Village, Kilpennathur Taluk in Thiruvannamalai District

CIVIL WORK - EXCLISIVE OF GST

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 6 M depth ending below Ground level.

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.

Labour charges for inserting 165/168 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.

Supplying PVC casing pipe ( without slot) 0f 160 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 PVC casing pipe ( with slot) 0f 160 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.

Supply of 4sq.mm / PVC insulated and sheathed, 3 core flat type copper cable for submersible motor.

Supply and fixing 40mm dia HDPE pipe for bore to connect the submersible bore etc., complete.

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

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.

Supply and fixing of 3 phase motor paneled board arrangements with 0 to 20 Ams ammeter 0 to 600 volts voltmeter with necessary switches indicator lamp, starter including etc ., complying with standard speciation and as directed by the departmental officers.

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.

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