Digging and Installation of bore well at ICAR-MGIFRI, Motihari

Amount

Sub Heading 1

Boring/drilling bore well of required dia for casing / strainer pipe by suitable method prescribed in IS 2800 (Part-1) including collecting sample from different strata, preparing and submitting strata chart / bore log including higher and running charges of all equipments, tools, plants and machineries required for the job all complete as per direction, 300mm dia in all kinds of soil

Supplying, assembling, lowering and fixing in vertical position in bore well, unplasticized PVC medium well casing (CM) pipe are required dia , confirming to IS 12818, including required hire and labour charges, fitting and accessories etc all complete for all depth as per direction 150 mm nominal size dia

Supplying, assembling, lowering and fixing in vertical position in bore well, unplasticized PVC medium well casing (CM) pipe are required dia , confirming to IS 12818, including required hire and labour charges, fitting and accessories etc all complete for all depth as per direction 100 mm nominal size dia

Supplying, assembling, lowering and fixing in vertical position in bore well unplasticized PVC medium well screen (RMS) pipe with ribs confirming to IS 12818 including hire and labour charges, fittings and accessories all complete for all depth as per direction. 150 mm nominal size dia

Gravel packing in tube well construction in accordance with IS 4097, including providing gravel fine / medium/ coarse in required grading and sizes as per actual requirement all complete as per direction.

Providing and fixing 150 mm dia bail plug /bottom plug of required dia to the bottom of pipe assembly of tube well as per IS 2800 (Part-1) all complete as per direction.

Providing and fixing suitable size threaded mild steel cap or spot welded plate to the top of bore well housing/casing pipe removable as per requirement all complete bore well of 200mm dia

Providing and fixing M S clamp of required dia to the top of casing/housing pipe of tube well as per IS 2800(Part-1) including necessary bolts and nuts of required size complete of 200 mm clamp

Supplying, filling, spreading and levelling coarse sand of size range 1.5mm to 2mm in recharge pit in required thickness over gravel layer for all lead and lift all complete as per direction.

Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) FE-410 mild steel screwed and socketed /plain ended casing pipe of required dia, confirming to IS 4270 of reputed and approved make, including painted with outside surface with two coats of anticorrosive paint of approved brand and manufacture, including required hire and labour charges, fittings and accessories all complete for all depths as per direction. 150mm nominal size dia having minimum wall thickness 5.00 mm

Development of tube well in accordance with IS 2800 (Part-1) and IS 11189 to establish maximum rate of useable 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 and draw down etc by step draw down method, collecting water samples and getting tested in approved laboratory including disinfection of tube well, all complete including hire and labour charges of air compressor, tools and accessories etc all as per requirement and direction.

Providing and installation of 5 HP capacity 3-phase phase submersible pump set of ISI/Approved brand and make including suitable starter with required cable , wire /rope , clamp 80mm B class GI Pipe (TATA/ JINDAL) approximate 50 m including all GI fittings and all other required accessories and testing etc to make it functional complete job as per direction.

Goods and Service Tax

Subhash Prasad

Jitu Kumar