MID/J/67

Dismantling of the 5 cusecs x 15 mtr split casing pumping unit no III at lift irrigation station Dulmachak-I by way of demounting the pumping machinery from the bed plate after removing the pump, motor, electric connections, coupling pulleys, suction and delivery pipes and finally removing the base frame. Breaking the damaged RCC foundation block 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 equipment of other pumping machinery are not damaged/ effected. Disposal of salvage of dismantled foundation away from pumping room up to the distance of 100 m at such place where irrigation land and water source is not polluted. Laying of new RCC foundation block of size length – 7 ft x 3.5 width- 3.5 ft x depth 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. Laying 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. Fabrication and grouting of 6 No. foundation bolts of size 2.5 ft in foundation block. Laying of RCC foundation block by filling the concrete in the ratio of 1:1.5:3. The size of the block above the ground level should be of original size and alignment in 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. 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. The material has to be carried on head load from road side to lift irrigation station. Providing, Fitting, Installation, Testing and Commissioning of 5 cusec x 15 meter head horizontal split casing pumping unit and allied works at LIS Dulmachak-I Recommended make of Pump : - Kirloskar, KSB, Beacon Weir or any other equivalent reputed make Type of Pump : - Horizontal split casing pump coupled with 50 H.P rating 3 Phase induction motor Recommended make of Motor : - Kirloskar, ABB, BHEL, Seimens. or any other equivalent reputed make. Material of construction 1. Impeller:- Cast Iron 2. Pump Shaft: -.Carbon Steel / Stainless Steel 3. Wearing Ring: - Cast Iron 4. Pump casing: - Cast Iron 5. Gland:- Cast Iron 6. Shaft Sleeve:- Stainless Steel 7. Base frame –Mild steel. 8. Motor- minimum 50 hp 3 phase induction motor and compatible with pumping unit. 9.The pump motor set shall be inspected from third party complying with ISO 17020 standards before dispatch. The inspection charges shall be paid by the firm / contractor. The inspection charges shall not be re-imbursed Shifting for pumping unit to Lift irrigation station, Dulmachak-I by carriage vehicle. 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 and then with existing suction 250 mm dia and delivery line 200 mm dia inside pump room with help of chain pulley block, tripod stand and manual labour. Dismantling of old foot valve of Unit no. III by cutting rusted nuts, bolts with gas cutting at intake source and then dismantling 45 feet approx. damaged/ rusted old suction line and then providing, fitting, and welding of 45 feet approx. MS suction pipeline of 250 mm internal diameter to old suction line using 13 no. MS Plate flanges of 250 mm internal diameter and 1 long bend 250mm to make completely sealed joint. The new suction line should be properly fixed / welded with the existing MS stand Support. Providing and fitting of new 250 mm diameter cast iron, flanged foot valve ( Kirloskar/Zoloto/KSB) with pressure rating of PN 0.2, the door face should consists of rubber with reinforcement of cotton canvas, Job includes providing of new nuts, bolts and rubber gasket. Providing and fitting of 200 mm diameter cast iron non return valve ( Kirloskar /Zoloto/ KSB/) after replacing existing non return valve by way of cutting rusted nut, bolts with gas cutter. Providing and fitting of flanged ends cast iron non return valve with PN 1.6 on delivery side of the pumping unit with new flanges ,rubber gaskets, nuts and bolts on the delivery pipeline. Job also includes providing and fitting of 1 no. 40 mm ball to the priming pipe . Providing, installation, testing and commissioning of dry type star delta starter ( L&T/ Havells/ Siemens) 75 HP rating compatible with pumping unit III at Lift irrigation station Dulmachak-I for newly installed pumping unit, the starter should consists of sheet metal enclosure inclusive of single phase preventer, 3 no’s contactors along with auxiliary contacts conforming to IS/IEC 60947-4-1, over load relay, timer, one number volt meter, one number ampere meter , on / off switch, phase indicators etc. The job includes fitting of starter on wall by way of drilling holes, fitting of fasteners. Providing and fitting of 35 sq mm copper cable from starter to motor – 6 no ‘s of 6 meter each in length and thimbling the copper cables with suitable size copper thimbles with help of crimping tool and cover the flexible copper cable with heavy duty PVC sleeve. Making connections from starter to motor. Testing commissioning of the electrical equipments and pump set after properly checking for continuity of each phase from the output of transformer into the main switch, checking for the continuity of each phase in voltage stabilizer and panel cum starter without load , after checking the electrical equipment’s on no load , testing pump on partial load by adjusting the sluice valve and then on full load. The complete job includes cost of skilled and semi-skilled labour including testing and commission charges at site. Complete painting of the exposed suction pipeline and existing delivery line of all the units by way of first preparing the surface by sand papers and then applying one coat of primer and then two coats of paint. Complete Job includes cost of machinery, equipments and material, transportation charges, manual carriage charges, labour charges, welding set charges, loading /unloading charges, hire charges of tools and tackles, etc including third party testing charges ( pump motor set). Note:- The tenderers are requested to visit the site along with concerned JE and quote the rate as per site conditions. Any modifications/ alterations of the job, absolutely necessary if required at the time of execution may be done as per actual site conditions. Firm should offer rebate on old parts ( except pump and motor).

Rebate on Old Parts