CONSTRUCTION OF TUBEWELL OF AVS FLATS UNDER SUB DN GANDHI NAGAR II JAIPUR (SANCTION WORK)

Construction of Tube-well upto 100 Meter depth and above in all type of rocks by DTH system and over burden, to accommodate casing pipe of following sizes in all types of soils and over burden including lowering of casing pipes, but excluding cost of casing pipes as per IS : 2800 (Part I & II) 1979 specifications. The work would be completed after obtaining sand free water. The tube well should have a throughout bore as per nominal dia of casing pipe: 200 mm dia Nominal bore.

Construction of tube-well from ground levels and upto 100 Meter depth and above to accommodate housing and assembly pipe of following sizes in all types of alluvium strata by percussion/ rotary drilling method and with gravel as per IS:4097-1967 and packing as per IS:2800 (Part I -& II) 1979 as amended upto date (the work includes the cost of gravel & its primary packing and packing during development, lowering of housing & strainer assembly pipes, with supply and wrapping of coir-rope, wherever necessary, for arresting fine sand particles. The work will not include cost of housing pipe and strainer pipe assembly and development work, but work would be completed after obtaining sand free water). 250mm Nominal bore.

Supply of ERW M.S. black casing pipe ISI marked (IS:4270/1992) of grade Fe410 of following sizes at site of work. 200 mm Nominal bore of pipe

Supply of strainer pipes made of ERW M.S. black pipe ISI mark of following sizes at the site of work including required size of slotting as per IS:8110-1985. 200mm-do-.

S & F tube well cover of M.S.sheet (6mm thick) with nuts and bolts complete for casing size: 200mm dia

S & F M.S. clamp, set of 50 ×6mm flat iron with nuts and bolts etc. for holding the riser pipe assembly of submersible pump set.

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

Un-lowering of submersible pump set with all piping from a tube-well/ open-well complete (labour charge only ) including transportation of tripod, chain, pulley-block and other materials required and lowering of repaired/ new pump in the tube-well / open-well complete in all respect.

P & F G.I. pipes (Internal Work) with G.I. Fittings excluding union (IS:1239 Mark) & MS clamps including cutting and making good the walls and floors: Exposed on wall 50 mm dia nominal bore B Class

Making connection of G.I. distribution branch with G.I. main including all fitting. Beyond 25mm & upto 100mm dia

P & F Full-way Valve (IS:778 Mark) or wheel valve of approved make : Gun-metal 50mm nominal bore.

Supply & fixing G.I. Union ISI marked in G.I. pipe line as required complete in all respect of size : 50mm dia nominal bore

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