Construction of Tube Well

Amount

Drilling of bore well for tube well construction by DC/RC/DTH rig machine including transportation, errection, dismantling of rig and associated T&P complete in all respect including all material, labour etc.

Transportation, errection and dismantling of Rig Machine.

DC/RC Drilling.

Drilling of 625 mm dia bore from G.L. to 65 m BGL

Drilling of 500 mm dia bore from 65 m BGL to 130 m BGL

Logging of bore hole by departmental / approved electrical logger.

M.S. Tube well assembly with all required parts like plain pipe/ slotted pipe (as required up 50% of plain pipes) rings, wellcap, bail plug, clamp, reducer, central guide, support structure etc. as required and as per typed design complete in all respect.

300 mm dia

200 mm dia

Supply of Pea Gravel

Lowering of Tube Well assembly duly welded including welding electrode and shrouding of pea Gravel complete in all respect. (Note-Axial Length of Reducer without Ring shall be measured with Casing Pipe.)

300 mm dia

200 mm dia from 61 to 110 mtr.

Development of Tube well

Transportation, Installation Dismantling of 350 PSI air compressor

Development by 350 PSI air compressor.

Transportation,Erection Dismantling of 3 Cusec OP Unit and Yield test.

Development of TW by 3 cusec OP Unit

Supply of bentonite powder (40 Kg)

Site Clearance for tube well constructional work.

SITC of Pumping plant including starter, control Panal, cable, complete in all respect with all required material T&P labour etc.

SITC of Main Piping & Valves with 42 mtr. Column pipe, Electronic type Chlorinating plant Power wiring, earthing, Printing, Tools sets, wiring of pump house (internal & External ) Chain Pulley block and gauges complete in all respect with all required material, T&P labour,

150 mm Dia size

Excavation of earth for pipe line of 1.15 m deep x 0.75 width, lead up to 50 m from trechs in ordinary soil/ CC road/ Bituminious road etc. Supply and laying of heavy duty 150 mm dia M.S. pipe / D.I. K-7 pipe confirming IS 8329/2000 in excavated trench including all consumable materials like bend, nut-boltt, rubber packing etc and filling of trench after laying of pipe line complete in all respect.

Construction of brick pillers (2nos) by first class brick work superstructure with cement and coarse sand mortar in ratio of 1:4 including cutting and molding of bricks as required excavation of foundation and supply of all materials, labour charges, T & P etc. for completion of work. Plastering of pillars 12mm thick with cement and local sand mortar in ratio of 1:6 including supply and fixing of M.S. girder of size 200mmx150mm having length of 3.5m complete in all respect as required for proper completion of work / Construction of underground chamber with top cover for installation of pumping plant below ground level with Supply of M.S. manhole cover & Construction of Pea gravel chamber with gravel feed arrangement around tube well including supply of all required material, labour T& P etc. complete as per instructions of Engineer-in-charge.

Construction of Wall, Including, plastering & painting etc complete with fixing of stone with writing of tube well details at T.W. site including supply of all materials, labour etc complete in all respect.

M/S KRISHNA ENGINEERS ASSOCIATES