Borewell & Tubewell Works Tenders

23.12 Development of tube well in accordance with IS : 2800 (part I) and IS: 11189, to establish maximum rate of usable water yield without sand content (beyond permissible limit), with required capacity air compressor, running the compressor for required time till well is fully developed, measuring yield of well by "V" notch method or any other approved method, measuring static level & draw down etc. by step draw down method, collecting water samples & getting tested in approved laboratory, i/c disinfection of tubewell, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer-in-charge.

Development of tube well in accordance with IS: 2800 (part I) and IS: 11189, to establish maximum rate of usable water yield without sand content (beyond permissible limit) with required capacity air compressor, running the compressor for required time till well is fully developed, measuring yield of well by notch method or any other approved method, measuring static level & draw down etc. by step draw down method, collecting water samples & getting tested in approved laboratory, ic disinfection of tubewell, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer-in-charge.

Electro- mechanical Work: Shifting of the 100 KVA electrical sub- station installed outside the boubdary wall of the tube well cum pumping station Gurgi to inside the boundary wall of tube well cum pumping station Gurgi by way of uprooting all the wild vegetation by manual labour and disconnecting all the incoming and outgoing connections of the 100 KVA HT transformer by skilled labour. The job included dismantling the existing old foundation of PCC poles with the help of a JCB, subsequently lifting the PCC poles and the 100 KVA HT transformer using a Crane and placing the poles in a safe location at the station. Job included providing of 02 Nos. PCC poles.The job also includes levelling the ground with the help of a JCB and preparing a new foundation for the erection of two new PCC poles by excavating a pit upto 4 feet deep for each pole, erecting the poles after laying the RCC foundation, block for each and ensuring the surface is even in all sides. Additionally, the job involves the providing and installation of two nos. horizontal GI channels along the length of PCC poles with three nos. of pin insulator, 03 nos.light arrestor set to support the incoming HT line , CT and PT and other allied equipments as per requirement and then installing two GI channels/ angles/ flats to form a base for mounting the 100 KVA transformer with the help of crane. The job includes connection all the HT incoming and LT outgoing connections of transformer and allied workers by skilled labour. The job icludes cost of labour, crance charges, JCB charges, charges for tools and tackles required for execution of work. The job also includes provide and fitting of LT fuse set ,extension of HT line from the existing ESS to the newly installed ESS inside the boundary of the pumping station and chemical earthing of the ESS. The job includes testing the transformer at full load. Complete Job

Construction of 1nos production wells including scientific source finding through consolidated and unconsolidated rock with down the hammer drilling rig or combination rig with PVC pipe and installation of submersible pump set with all acessories Labour for drilling a perfectly vertical bore hole of specified dia for a specified depth below ground level through consolidated and unconsolidated rock with down the hole hammer drilling rig or combination rig as required to suit the site condition as per the direction of the Engineer in charge including use of own rig with its accessories, tools and plant and consumables etc for lowering of 200mm/150mm dia G.I/P.V.C/M.S casing pipes for housing fitted with socket and with or without well screen as per the necessity for soft, medium, hard and boulder formation (G.I/ P.V.C/ M.S casing pipes if required to prevent collapse of overburden is to be provided by the contractor including lowering and withdrawing after completion of the tube well), 200mm dia to 400mm dia in overburden portion including packing of gravel supplied by the contractor for 400mm dia bore only I) Drilling of 200mm dia bore A) 00 mtr to 30mtr

10000556 Labour for drilling a perfectly vertical bore hole of specified dia for a specified depth below ground level through consolidated and unconsolidated rock with down the hole hammer drilling rigs or combination drilling rigs (1200cfm/300psi) as required to suit the site condition as per the direction of Engineer-in-charge including use of own rigs with its accessories,tools and plant and consumables etc for lowering of 200mm dia PVC pipes for housing fitted with socket and with or without well screen as per tenecessity for soft,medium,hard and boulder formation (PVC casing pipes if required to prevent collapse of overburden is to be provided by the contractor including lowering and with drawing after completion of the tube well).(Icluding both LABOUR FOR DRILLING 200MM DIA UPTO 30 MTR. & LABOUR FOR DRILLING 150MM DIA FROM 30 MTR TO 150 MTR including all.) CONSIDER FOR 150 MTR DEPTH. Ground Floor

10000556 Labour for drilling a perfectly vertical bore hole of specified dia for a specified depth below ground level through consolidated and unconsolidated rock with down the hole hammer drilling rigs or combination drilling rigs (1200cfm/300psi) as required to suit the site condition as per the direction of Engineer-in-charge including use of own rigs with its accessories,tools and plant and consumables etc for lowering of 200mm dia PVC pipes for housing fitted with socket and with or without well screen as per tenecessity for soft,medium,hard and boulder formation (PVC casing pipes if required to prevent collapse of overburden is to be provided by the contractor including lowering and with drawing after completion of the tube well).(Icluding both LABOUR FOR DRILLING 200MM DIA UPTO 30 MTR. & LABOUR FOR DRILLING 150MM DIA FROM 30 MTR TO 150 MTR including all.) CONSIDER FOR 150 MTR DEPTH. Ground Floor