MID/J/99(UT Capex)

Dismantling of existing horizontal centrifugal pump Unit-4 and three phase induction motor from its installed position at LIS Suhagani after decoupling the pump- motor assembly, disengaging of suction and delivery pipes by cutting of damaged/rusted nuts and bolts by gas cutter. Extraction of damaged embedded base frame from the old RCC block and shifting of the disengaged pumping machinery to the stacking place. Laying of New RCC Foundation Block for the pumping unit by way of complete dismantling of existing Foundation block by way of deploying skilled and unskilled labour with the help of power hammer, tools and tackles as required at site including cutting of reinforcement steel, anchor bolts. Job includes manual excavation of earth for making earth pit for laying of foundation block for the pumping unit. The job also includes disposal of excavated debris. Construction of new RCC block of 5 ft x 2.5 ft x 3.5 ft size in cement concrete work in 1:1.5:3 ratio after providing/ laying of iron mesh of size (4.5x2x3)out of 12 mm TMT bars members placed vertically and horizontally at an equidistance of 6 inches and MS angle iron of 50 x 50 x 6mm by welding work for reinforcement. Fabrication and grouting of 6 No. foundation bolts of size 3 ft in foundation block made out of 25 mm round bar with one side threaded and other end at the base concreted with the anchoring The block shall be filled with rich mixture of concrete with using vibrator for compaction. The entire block as one unit is to be laid in such a way that it can damp all types of mechanical vibrations created by dynamic load of pumping unit without causing any defect to the pumping unit as well as to the block itself. Placing of base frame on newly constructed RCC foundation block in proper alignment, after proper levelling fasten with foundation bolts. Job also includes curing of the RCC foundation block for at least 7 days. Complete job includes cost of material such as cement, sand, steel, shuttering charges, charges for concrete mixture, vibrator charges and labour charges of skilled as well as semi skilled labour, curing charges and hire charges and mobilization of connected machinery/equipment, handling, loading, unloading, transportation, stacking and repair to surrounding floor damaged during dismantling and installation work. The floor repair work of area (250sqft approximate) shall also be carried out throughout the entire lift irrigation station ensuring uniform treatment and finishing. Laying of 1:2:4 grade (1 cement: 2 sands: 4 aggregates) on the area up to required height. Curing of concrete structure for 7 days.The job may include any other fabrication work required for proper fitting/alignment of pumping unit as per site conditions. The material has to be carried on head load from road side to lift irrigation station. The excavated debris should be disposed at safe distance from the pump station at place where irrigation land is not polluted. Providing, installation, testing and commissioning of Raw water H.C pumpset of 05cusec discharge, 10 meter head at LIS Suhagani on the newly installed base frame in place of existing pumping unit -4 along with compatible rating induction motor 3 phase(preferably IE3) 1460 rpm±10% of 40HP±10%. Type of Pump: ISI Marked of reputed make End Suction Type Centrifugal pump coupled with 40H.P rating induction motor Material to be used 1. Impeller-Stainless steel/ bronze 2. Pump Shaft - carbon steel . 3. Wearing Ring - Stainless steel. 4. Pump casing - Cast iron. 5. Base frame – Mild steel. Shifting for pumping unit along with allied accessories to Lift irrigation station Suhagani by carriage in vehicle. Unloading of pumping unit at roadside using crane/ manual labour. Carriage of pumping unit along with allied accessories to pump room by manual labour on head load. The pump should have the suction and delivery size of 200mm/250mm(preferably 250mm).The base frame must be levelled to avoid any misalignment of pumping machinery. Fitting of new pump assembly on the base frame with help of chain pulley block, tripod stand and manual labour, coupling of suction and delivery pipes with the pump assembly using new nuts and boltsand rubber sheet etc. Fitting the motor assembly with help of nuts, bolts and washers. Fitting of new Coupling to the motor shaft, coupling the pump & motor assembly with the help of rubber bushes, nuts & bolts. Checking the alignment of the pump and motor assembly with the help of tools and tackles. The shaft seal should be preferably of mechanical seal. Providing, fitting and laying of MS suction pipeline of 250 mm diameter of 6 mm thickness, 60 feet in length approximately for newly installed 5 cusec pumping unit from pump to intake source. Providing, fitting of 10 no. MS plate flanges with 250 mm internal diameter with suction pipe at different lengths as per the requirement of site condition. Welding the flanges to pipes with double layered welding to avoid any leakages. Fabrication of 250 mm diameter MS bend properly flanged at both ends as per site conditions and alignment of pump. Fastening and laying of suction pipeline with pumping unit using nuts, bolts and rubber gasket between each MS flange joint. Providing and fitting of new 250 mm diameter foot valve on the suction end of the pumping unit, with CI housing, CI strainer, SS hinge pin with new nuts, bolts and rubber gasket. Providing, fitting and laying of MS delivery pipeline of 250 mm diameter of 6 mm thickness- 30ft in length approximately from delivery side of pump to already existing delivery tank of the lift irrigation station. Providing, fitting of 10no. MS plate flanges with 250 mm internal diameter with delivery pipe at different lengths as per the requirement of site condition. Welding the flanges to pipes with double layered welding to avoid any leakages. Fabrication of 250 mm diameter MS bend properly flanged at both ends as per site conditions and alignment of pump. Fastening and laying of delivery pipeline with pumping unit using nuts, bolts and rubber gasket between each MS flange joint. The installation of suction and delivery pipes to the pump will be accompanied by repair to the delivery tanks civil structure and wall , specifically only at pipe penetration points and pipe- tank joint. Providing and fitting of supporting block for supporting suction and delivery pipes as per the requirement of site condition Providing and fitting of 250 mm diameter sluice valve and 250mm dia reflux valve on delivery side of the pumping unit with new nuts and bolts and rubber sheet as per requirement. Number of flanges in both suction and delivery pipe may change while during the execution of job. Connecting of pipeline with primping pumping system using GI pipe and control valve. The valves and M.S pipe should be of reputed make having ISI mark. The job includes dismantling of old suction and delivery pipes by means of welding set/gas cutting equipment and manual labour. Extraction of the suction /delivery pipes from the pump room walls where they are anchored ,suction pipe from outside of the pump room upto sump and delivery pipe from outside of the pump room upto D- tank by excavation work. Alignment of suction and delivery pipes with the newly installed pumpi

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