NIT NO. 46 Provision for drilling, installation and commissioning of handpump with construction of plateform including supply and fixing of riser pipe and casing pipes and other required material etc under city division-I and II Ajmer. (Ajmer South)

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.

Supply of ERW M.S. black casing pipe ISI marked {IS:1239(Part-1:2004)}medium of following sizes at site of work.

125 mm dia NB( Thickness of pipe 4.8 mm & mass of tube 16.40 Kg/m)

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

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

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

Providing, Laying & jointing glazed S.W. pipes Grade 'A' (IS:651 Marked) of approval make with spun yarn & stiff mixture of cement mortar 1:1, excavation & refilling of earth in all types of soil upto 1.2 m depth, S.W. fittings, including testing of joints etc, complete.

100 mm Dia

Construction of soakage well in all type of soil with 300 mm thick dry masonry, top and bottom 300 mm course in CM 1:6, 80mm thick stone slab, jointing of slab in CM 1 : 3, Ralthal, Kharanja, 40 mm thick M-15 grade C.C flooring , earthwork complete as per approved drawing including disposal of earth within a lead of 50 mtr.: Size 240 Cm. dia outside & 240 Cm. depth.

Size 240 cm dia out side and 240 cm depth