Providing Borewell arrangement in the work of Construction of Scientific Storage Godown of 2000 MTcapacity (2 x 1000 MT) in TNCSC campus at survey no 46/17 to an extent of 1.62.00 Hectare at Uthirakidikaval Village in Senthamangalam Taluk in Namakk

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.

Upto 60 to 90M depth

Upto 90 to 120M depth

Upto 120 to 150M depth

Upto 150 to 180M depth

Upto 180 to 210M 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.

Supply and fixing 32mm dia HDPE pipe for bore to connect the submersible bore etc., complete.

Supply, laying and run of 2 of 7/20 PVC sheathed aluminum cable with polythene wire 10 guage stay wire etc., complete as directed by the departmental officers.

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

Supplying and Erection of 5 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.

Supplying and fixing of 3 Phase motor panel board arrangements with 0 to 20 Amps ammeter 0 to 600 volts voltmeter with necessary switches indicator lamp, starter etc., complete complying with standard specification.

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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