Construction of 01 No. 200 mm Nominal Dia casing production Well at Govt. Nursery Zawoora Srinagar

Amount

Drilling/Boring of bore well of required dia and simultaneous lowering of casing / strainer pipe, DTH/ODEX method prescribed in IS 2800 (part I), by fixing case drive shoe, preparing and submitting strata chart/bore log, including hire and running charges of all equipment tools plants and machineries required for the job, all complete as per direction of Engineer-in-charge upto 90m depth below ground level.

All kinds of soil (Diameter of casing/strainer pipe of 200mm)

Boring/ Drilling bore well of required dia and simultaneous lowering of casing /strainer pipe, DTH/ODEX method prescribed in IS 2800 (part I), by fixing case drive shoe, preparing and submitting strata chart/bore log, including hire and running charges of all equipment tools plants and machineries required for the job, all complete as per direction of Engineer-in-charge beyond 90m and up to 150m depth below ground level. (The drilling depth may increase or decrease at the time of execution subject to physical conditions).

All kinds of soil (Diameter of casing/strainer pipe of 200mm)

Supplying assembling lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) FE 410 mild steel screwed and socketed /plain ebed casing pipes of required dia, conforming to IS: 4270 of reputed & approved make, including painted with outside surface with two coats, of anticorrosive paint of approved brand and manufacture including required hire & labour charges, fitting and accessories, all complete for all depths, as per direction of Engineer-in-charge 200mm nominal dia having wall thickness 7.1mm. (The length of the casing pipe may increase or decrease at the time of execution of work as per the approved casing Daigram).

Development of the tube well shall be carried out in accordance with IS: 2800 (Part-1) and IS: 11189 to establish the maximum rate of usable water yield without sand content exceeding the permissible limit. This process includes ensuring the required capacity of the air compressor, running the compressor for the necessary duration until the well is fully developed, and measuring the well's yield using the 'V' notch method or any other approved method. Additionally, measurements of the static level and drawdown will be conducted using the step drawdown method. Water samples will be collected and tested in an approved laboratory. The in-charge engineer will oversee the disinfection of the tube well, including the hiring of required labor and air compressor tools and accessories, all in accordance with their directions. This scope of work also encompasses the installation of circular concrete blocks for casing grouting and to enhance the well's aesthetics

ZAKIR BOREWELLS

M/S ATTAR BROTHERS

M/S CHINAR DRILLERS

M/S SANGAM BOREWELLS