Construction of Gravel Packed Production Tube Well at IRP 23rd Battalion Lethpora, Awantipora Pulwama.

Amount

Drilling/boring of bore hole of 450-550mm dia for lowering of 300mm dia. for casing/strainer pipe by suitable method prescribed in IS: 2800 (Part I), including collecting samples from different strata, preparing and submitting strata chart/bore log, including hire and running charges of all equipment tools and machineries required for the job, all complete as per direction of Engineer-in-charge up to 90 m depth below ground. All kinds of soil (Diameter of casing/strainer pipe = 300 mm)

Drilling/boring of bore hole of 450-550mm dia for lowering of 300 mm dia. for casirig/strainer pipe by suitable method prescribed in I$: 2800 (Part I), including collecting samples from different strata, preparing and submitting strata chart/bore log, including hire and running charges of all complete as per direction of Engineer-in-charge beyond 90 m and up to 150 m depth below ground level. All kinds of soil (Diameter of casing/strainer pipe = 300 mm)

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 pipes of 250 mm dia, wall thickness of 7.1mm, conforming 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 labor charges, fitting and accessories, all complete for all depths as per direction of Engineer-in-charge. 300 mm nominal dia.

Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric resistance welded) Fe 410 plain slotted (having slot size 1.6/3.2 mm) mild steel threaded and socketed/plain bevel ended pipes (type A) of required dia, conforming to IS:8110 of reputed and approved make having wall thickness not less than 7.1 mm, including painted with outside surface with two coats of anticorrosive bitumestic paint of approved brand and manufacture including required hire and labour charges, fitting and accessories, all complete for ali depths as per direction of Engineer-in-charge. 300 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 of Engineer in-charge

Development of tube well in accordance with IS: 2800 (Part-1) and IS: 11189 to establish maximum rate of usable water yield without sand content (beyond permissible limit) with required capacity air compressor, ruing the compressor for required time till well is fully devcloped 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 sample & getting tested in approved laboratory, all complete including required hire and labour charges of air compressor, tool: and accessories etc. all as per direction of Engineer In-charge.

M/S MARSHAL TRADERS