Providing, Installation, Testing and Commissioning of new 05 cusec discharge 10 meter head HC pump motor set along with allied electromechanical works equipment at LIS Dharap.

Amount

Dismantling of the 05 cusec split casing pump coupled with 40HP motor from its foundation after disconnecting the electrical connection of unit II at lift irrigation station Dharap by way of cutting the old rusted nuts and bolts, decoupling the motor pump from coupling pulleys, suction joints, delivery joints, attachment pipes and then extracting out the pump and motor from the pumping room using tools and tackles and manual labour. Digging out the old foundation block and then extracting out the base frame after cutting the nuts from foundation bolts using the electric cutter /gas cutter. Breaking the damaged RCC foundation block (5.0 x 3.0 x 4.0) with the help of Chisel, concrete cutter, electric jack hammer, tools / tackles. Cutting of steel members with the help of cutter step wise during the process of breaking the RCC block and stacking. Completely removal of broken concrete, soil and TMT bars from pump room in such way that the machinery and electric equipments of other pumping machinery are not damaged/ effected. Disposing of the excavated material up to a distance of 100mtrs (approx.) from the pump room at such place where irrigation land and water source is not polluted. Laying of new RCC foundation block of size length – 5 ft x width- 3.0 ft x depth- 4.0 ft by way of making surface even for laying of new RCC foundation block. Fabrication of steel mesh out of 10 mm TMT bars members placed vertically and horizontally at an equidistance of 6 inches duly welded on 40 mm MS angle outer frame Lying of 6 inch concrete base at the bottom to level the surface. Placing of fabricated iron mesh in foundation pit and levelling / aligning it with the pumping unit. The job may include any other fabrication work required for proper fitting/alignment of pumping unit as per site conditions. The foundation bolts are to be welded to steel reinforcement of foundation block in proper alignment and spacing with respect to base frame properly levelled and sealed to the required position. Placing of base frame on newly constructed RCC foundation block and grouting of 6 No. foundation bolts of size 2.5ft in foundation block. Laying of RCC foundation block of size 5 ft x3.0 ft x 4.0 ft by filling the concrete in the ratio of 1:1.5:3. The size of the block may vary slightly as per space availability and ground condition and should be in alignment with respect of suction and delivery pipes. 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. Fixing of the base frame after levelling and fastening with foundation bolts.job also includes plastering of surface and making way/slope for excess water disposal and making surface good. Complete job includes cost of material such as cement, sand, steel, form work, charges for concrete mixture, vibrator charges and labour charges of skilled as well as semi-skilled labour, curing charges. . Providing, Fitting, Installation, Testing and commissioning of Raw( irrigation )water end suction pump of 05 cusec discharge x 10 meter head pump with motor, coupling pulley and base frame at Lift irrigation station Dharap. Recommended make of Pump: - Kirloskar, KSB, Mather Platt, Beacon Weir. Type of Pump: -End suction raw water pump Recommended make of Motor: - Kirloskar, Jyoti, GEC, BHEL, Siemens. Material of construction: - 1. Impeller: - Cast Iron / Cast Steel / Stainless Steel / Chrome Steel / Duplex Steel 2. Pump Shaft: -.Carbon Steel / Stainless Steel / Duplex Steel 3.WearingRing:-CastIron/Bronze/Steel 4. Pump casing: - Cast Iron / Cast Steel / Stainless Steel / Duplex Steel 5. Gland:- Cast Iron / Bronze 6. Shaft Sleeve:- Stainless Steel / Bronze 7. Base frame –Mild steel. 8. Motor- 30 HP with maximum 1450 rpm oras compatible with pump discharge. Shifting of pumping unit to Lift irrigation station, Dharap by way of mechanical transport. Unloading of pumping unit at roadside using crane/ manual labour. Carriage of pumping unit to pump room by manual labour on head load. The base frame should be fabricated out of MS channels of totally welded construction and of sturdy design, adequate dimensions having true and machined surface suitable to with stand load and vibrations of machine. Base frame should have holes for fastening motor and pump. The base frame must be levelled to avoid any misalignment of pumping machinery. Fitting and Installation of motor, pump with coupling pulley and then fitting on base frame with help of skilled manual labour using tools and tackles. Providing/Fitting the delivery line 10 inch diaapprx 5.5 m along with sluice valves of 10” dia, bends, flanges as per requirement at site to the pump body after dismantling / extracting the old delivery line. P/F of rubber sheet joints along with new nuts, bolts and washer required after ensuring the proper alignment of suction and delivery line. Extracting of old damaged suction line pieces and then improvement of suction line by way of providing and fabrication, cutting /welding of required sizes ofbends, flanges and pipes, tail pieces etc required as per site requirement and design of pump set. Providing of supporting MS frames for delivery lines. Job includes making of suitable holes / openings for passing of delivery suction lines and then closing of old openings with bricks and PCC and making the surface good. Giving all the electrical connection from motor to starter by P/F of thimbles of appropriate rating/sizes and insulation complete at site. .Complete job. includes cost of material, consumable, handling, loading, unloading, transportation charge, labour charges for both skilled /semi-skilled labour and hiring charges for Crane , tripod stand, tools and tackles required during the execution of the job at site. Any modifications/ alteration of the job, absolutely necessary at the time of execution may be done as per site conditions. The job includes shifting the old dismantled machinery to road side loading them in mechanical transport along with old pumping machinery and transporting to divisional store canal road, unloading and placing properly there.

KRISHNA ENGINEERING WORKS

NATIONAL ELECTRO-MECH COMPANY