NIT NO 86/2025-26 Construction and commissioning of 125 mm dia. Bore by DTH/Rotary/ Combination rig, including Supply and installation of Hand Pump set and other allied works with defect liability period under PHED Sub Div. Parbatsar

Construction of Tube Well up to 100 mtr. depth in all type of rocks by DTH system & over burden to accommodate casing pipe of following sizes in all types of soils & over burden including lowering of casing pipes, (if required) excluding cost of casing pipes, as per IS:2800 Part 1: 1991 and IS:2800 Part II: 1979 (both amended up to date) and technical specifications. The work would be completed after obtaining sand free water. The tube well should have a through out bore as per nominal dia of casing pipe.

Nominal bore 125 mm dia

Add 15% extra on above item for drilling depth beyond 100 mtr, If depth of bore is more than 100 mtr.

Labour charges for making slots on blank pipes made of MS black pipe of size 125 mm dia nominal bore, the slotting should be as per IS : 8110-1985.

Supply of ERW MS black casing pipe ISI marked as per IS : 1239 (part I : 2004) or amended up to date of 125 mm dia NB (thickness of pipe 4.8 mm & mass of tube 16.40 Kg/m)

Construction of 185 cm. dia platform as per approved design & drawing of UNICEF.

Supply and installation of ISI marked India Mark II Hand Pump set complete with cylinder & 15 connecting rods.

Supply & installation of GI pipe 32 mm medium class "B" with pipe sockets (heavy duty)

Supply and installation of ISI mark connecting rod as per departmental specifications of 3 meter length

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