Development of Deep Borewell and water dispensing system at Zila Parishad Ucch Prathmik shala, Sinala, Panchayat Samiti, Chandrapur, Maharashtra

Amount

SCHEDULED ITEMS -PART A

UNSCHEDULED ITEMS -PART B

Conducting a geophysical survey using the Electrical Resistivity method (Vertical Electrical Sounding/2D Imaging) as per IS 15736:2007 to identify potential groundwater zones for the proposed borewell. The work includes the following: a) Mobilization and demobilization of all necessary equipment and personnel to the site. b) Conducting the survey at agreed-upon locations on the site. c) Data acquisition and analysis by a qualified hydrogeologist. d) Submission of a detailed report including: i) Method statement and field data. ii) Interpretation of resistivity data and subsurface geological profile. iii) Identification of potential water-bearing zones (aquifers) and their approximate depth. iv) Recommendation of optimal location(s) for borewell drilling.

Providing and Fixing of HDPE column Pipe 32 mm dia for drawing water from the borewell.

Supplying polypropylene rope 12 MM DIA FOR lowering and lifting of pump

Development of the borewell using an air compressor until sand-free water is obtained, as per IS: 2800.

Conducting a yield test of the borewell for a duration of 8 hours, including the provision of a test pump, flow meter, and necessary equipment to measure the discharge rate and water level drawdown. A detailed report with the recommended safe yield will be provided.

Testing and disinfection of the borewell as per IS 2800 and obtaining water quality samples and testing as per IS 10500. for drinking water.

Providing and placing on terrace (at all floor levels) polyethylene 4 layer UV & thermal stablized water storage tank, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

Providing and fixing half turn CPVC ball valve of approved quality : 25 mm dia nominal bore

Providing and fixing half turn CPVC ball valve of approved quality : 40 mm dia nominal bore

Boring/drilling bore well of required dia for casing/ strainer pipe, by Wet drilling , This includes reaming drilling of 200/215 mm diameter in clayey soil and drilling of 150 mm diameter in hard rock , hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer-in-charge, All type of soils 150 mm dia

Supplying, erecting, testing and commissioning of minimum three & above star rated submersible pump set of 1.125 kW/1.5 HP with 230 V, single phase, 50 Hz, A.C. supply suitable for 100 mm dia. borewell with 10 to 100 lpm discharge at 137 to 40 m head & discharge & delivery pipe of size-32 mm dia. with a necessary H type clamps as per specification no. WP-SMP.

Supplying, erecting, testing and commissioning of D.O.L starter suitable for 250 V, single phase 50 Hz with overload element with necessary materials and connected to supply up to 3 HP.

Supplying, erecting, testing and commissioning of flat flexible 3 core 2.5 sq.mm PVC sheathed submersible type copper cable suitably clamped at fixed intervals with column pipe assembly complete.

Total impact of GST for the purpose of CTC