Providing and fitting of star delta starter along other allied electrical works and upgradation of electric substation by fencing of transformer, LT fuse sets, HT fuse sets along with allied electrical works at Lift irrigation station Aijpur Trew

providing and fitting of star delta starter along other allied electrical works and upgradation of electric substation by fencing of transformer, LT fuse sets, HT fuse sets along with allied electrical works at Lift irrigation station Aijpur Trewa.

Providing, installation, testing and commissioning of dry type star delta starter 415 v, 50 hz, 3 phase ( L&T/ Siemens / Schneider electric) for motor compatible with 70 HP pumping unit at Lift irrigation station Aijpur trewa for pumping unit no 2, the starter should consists of sheet metal enclosure inclusive of 250 ampere 50 kA MCCB for motor protection, 3 no’s contactors of 110 ampere rating along with auxiliary contacts conforming to IS/IEC 60947-4-1, over load relay, timer, voltmeter for voltage reading on all three phases, ampere meter for current reading in all three phases , on / off switch, phase indicators etc. The starter must consists of smart protection device with voltage single phasing, current single phasing, voltage unbalance fault, current unbalance fault, phase reversal fault, under voltage fault, over voltage fault, dry run fault protection, locked rotor and short circuit protection. The job includes fitting of starter on wall by way of drilling holes, fitting of fasteners. Providing and fitting of 36 meters of 25 sq. mm copper cable from starter to motor and panel to starter, dividing of copper cable in parts as per the site conditions. Three number cables from LT control panel to star delta starer and six number cables from star delta starter to motor. Providing and fitting of copper thimbles at each ends of copper cables with help of crimping tool and cover the flexible copper cable with PVC sleeve. Making connections from starter to motor. Up gradation and strengthening of 250 kva sub station at lift irrigation station Aijpur Trewa, by way of lifting of transformer from its installed position and shifting it at safe place after removing HT connections. Clearing of area around the transformer from bushes and debris. Leveling of area around the transformer and compacting the earth with laying of layer of stones. Laying of concrete mixture in ratio of 1:3:6 on 10 ft x 10 ft area around the transformer as per site conditions. Fabrication of block for transformer of size 5 ft x 3 ft upto the height of 1.5 ft above the ground level as per site conditions. Fabrication of steel mesh out of 10 mm TMT bars members placed vertically and horizontally at an equidistance of 6 inches. Placing of fabricated iron mesh between the poles and levelling / aligning. Filling of block with concrete mixture in ratio of 1:3:6. Properly curing of concrete structure for 5 days. Providing and fitting of knife edge link sets of 50/5 size on the 11 kv HT side over the poles for all three phases, the job includes providing and fitting of MS angle with clamps as per size of poles for fitting of link sets. The clamps should be fastened with nuts and bolts of required size. Providing and fitting of horn gap fuse sets on the 11 kv HT side over the poles for all three phases, the job includes providing and fitting of MS angle with clamps as per size of poles for fitting of link sets. The clamps should be fastened with nuts and bolts of required size. Fabrication of new open fuse assembly by means of fabrication of frame for housing new open fuse assembly using MS angle of 45 x 45 x 5 mm. Fabrication and welding MS angle for making the frame and then applying one coat of primer for anti-rust and two coats of black paint and then fixing the frame in the earth by means of earth excavation and then filling the earth with cement concrete mix in 1:3:6 ratio. Job also includes providing and installation of new open fuse assembly by means of fixing of L-shaped aluminum bars in frames using ceramic insulators for installation of Al. wire fuse on the input side of the electrical supply on open fuse assembly and then connecting the cable to the one end of the open fuse assembly by way of providing and fixing of Al. thimbles using crimping tool and then making connections using nuts and bolts of appropriate size. Fencing around the electric substation of size 10 ft x 10 ft by way of fabrication of angle iron frames with 45 x 45 x 5 mm angle iron and providing, welding and fixing of chain link/ wire mesh fence with gap of 2.5 inch between the frames. These fabricated frames should be fitted and grouted in base. The height of frame should be 5 ft. Fabrication and fixing of entry gate for inspection of transformer with angle iron frame of 45 x 45 x 5 mm MS angle. The door should be of 2 ft width with 5 ft height. Job includes painting of angle iron frame with red oxide primer and black paint. The side of fencing must be removable for lifting of transformer. Placing of transformer back to installed position, providing and fitting of 400 sq mm 3.5 core aluminum cables from LT fuse sets to voltage stabilizer and voltage stabilizer to LT control panel. Total length of cables required is 22 meters. Dividing of cable in two parts and fitting from LT fuse set to voltage stabilizer and voltage stabilizer to LT control panel. Providing and fitting of single core 400 sq. mm aluminum between LT sides of transformer to LT fuse sets. Total length of LT aluminum single core cable required will be 20 meters. The single core aluminum cable have to be divided into 4 parts of equal lengths. Each cable should be thimble of same ratting at each end. Connecting of cables to the LT bush rods of the transformer and LT fuse sets. Providing and filling of 150 liters fresh transformer oil. Electrification of substation at Lift irrigation station Aijpur Trewa with providing and fitting of 1 number 50 watt LED lights of reputed make ( Philips/ Havells / Bajaj or reputed make). The job includes providing of required length of 1 sq mm flexible copper cable of reputed make (Havells/ Polycap/ KEI / L&T or reputed make). The wire should be properly covered and fixed properly with clamps. Providing of separate on/off switches for lights. Note:- The tenderers are requested to visit the site 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.

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