Dismantling and relaying of foundation block of 1.20 lac GPH x 48 meter head HC pump set at pumping station Salmay stage-0 (Old).

Amount

Job charges for Dismantling of old wornout HC pumping unit of capacity 1.20 lac GPH x 48 meter head and slipring motor by way of disconnecting of all incoming electrical connections, decoupling of pump and motor unfastening from base frame. Cutting of worn out suction and delivery bends, pipes, dismantling of old unserviceable sluice valves, reflux valves fitted with suction, delivery lines, manifold, plugging of open end of delivery pipe line near manifold by Fabrication/fitting of blind flange of suitable thickness with rubber gasket, nuts, bolts etc. to withstand the pressure as well as velocity head created during running of other pumping units. Cutting of base frame from RCC foundation block with gas cutter by using oxygen acetylene gas. Dismantling /breaking of old existing RCC block by way of deploying skilled and un skilled labour by using pneumatic hammer, high carbon chisels and other tools and tackles etc. up to the depth of approx. 2.5 meters alongwith cutting of old steel mesh. The job includes earthwork in bulk excavation around the foundation block on each of the four sides of the block up to the depth of about 2.5 meters so as to form a size of 8’x4’x6’.Dumping of excavated material outside the pump room at a distance of 100 meters approximately. Providing and fabrication of 6 no. foundation bolts of suitable dia meter long by threading them at one end and making of anchor to other end. Laying of bed concrete of 1:4:8 mix using 20 percent aggregate, laying of RCC of 1:1.5:3 mix including supply/fixing of form work / shuttering, aggregates, sand and cement, reinforcement steel 12mm, angle iron for supporting/alignment of base-frame including cutting, bending, placing in position and binding, welding, placing of foundation bolts with base frame and making proper alignment of base frame horizontally as well as longitudinally, deployment of vibrator, mixer, welding set, shuttering, tools and tackles etc. and curing complete. Job further includes dragging of pump motor set from the stacking place and then placing them on the base frame by manual labour and other tools and tackle. Alignment & leveling of pump motor set on the base frame by using laminated sheet, strips and coupling thereof. Laying of MS 200mm dia suction and MS 150mm dia delivery pipe lines to the pump set by providing and cutting of 200mm dia MS and 150mm dia MS pipes as per site requirement in the convenient lengths with the help of oxygen acetylene gas cutter. The cut edges shall be grinded with grinder to give them a smooth and even surface and then laying, aligning, welding of suction and delivery pipes in continuous fillet weld including providing, fabrication and fitting 150 mm dia MS bends, flanges, expander / reducers, gaskets, as per requirement. Providing and fitting of 150mm dia cast steel NRV one no. each with bypass system (class 150 rating of IS standards alongwith manufacturers in house test certificate of material) including nuts, bolts, gasket, flanges on the delivery pipe side of pump set and connecting with manifold. The weld should be free from blow holes and porosity to have leak proof water tight joint. Suctions / delivery pipelines should by properly painted with red oxide primer and subsequently with good quality black paint Testing the complete system on no and on full load. Complete job includes cost of material and machinery, hire charges tools and tackles, transportation and manual carriage charges, skilled and unskilled labour charges etc.

Vaibhav Engineers and Technocrates (BID ID -2180418)

GEETA ENGINEERING MECH WORKS (BID ID -2185613)