MID/AN/21

Providing/fitting, installation, testing and commissioning of protection panel cum FASD starters for pumping unit no. 01& 02 along with other allied works at LIS Aryanpura. Description of panel Designing, fabrication, installation, testing and commissioning of LT control panel 415 volts, AC-3 Phase, 50 Hz. for pumping unit no. 01& 02 at L.I.S Aryanpura. The panel shall be dust and vermin proof fabricated out of 16 SWG CR Sheet supported on M.S. angle of suitable size and having provision for fixing it on the ground with the help of foundation bolts. The panel should be sturdy enough for vibration free operation and should be equipped with suitable locking /sealing arrangements. The structure should be provided suitable entry and exit holes for incoming and outgoing cables along with terminal plates input and output and crimping of thimbles properly according to size and specification. The panel should be given two coats of anti rust primer and two coats of steel grey enamel paint. The panel should have equipped with following components / features: M.C.C.B. The panel should be fitted with an M.C.C.B. of 400 Ampere capacity, 1 no. volt meter, 1 no ammeter along with a set of CTs, 1 No. V.S.S., 1 No. A.S. switch and a set of RYB indicators at incoming side including the bus bars. Outgoing no. 1: The panel should be fitted with a 100 HP fully automatic star delta starter comprises of 3 Nos. air break contactors compatible with 100HP induction motor (2 nos. 140 A for main and delta supply, 1 No. air break contactor 140 A for star operation), 1 No. timer for change over the supply of motor from star to delta, 2 Nos. push buttons for start and stop operation of motor, 1 No. indicator .1 No. MCB for the protection of internal control wiring, a neat and clean internal control wiring should be made with flexible copper cables/ bus bars to complete the star delta circuit of outgoing supply for pumping unit no. 1 Outgoing no. 2: The panel should be fitted with a 100 HP fully automatic star delta starter comprises of 3 Nos. air break contactors compatible with 100HP induction motor (2 nos. 140 A for main and delta supply, 1 No. air break contactor 140 A for star operation), 1 No. timer for change over the supply of motor from star to delta, 2 Nos. push buttons for start and stop operation of motor, 1 No. indicator .1 No. MCB for the protection of internal control wiring, a neat and clean internal control wiring should be made with flexible copper cables/ bus bars to complete the star delta circuit of outgoing supply for pumping unit no. 2 Protections device / fault analyzer : A protections devise / fault analyzer shall be fitted with the panel with capability to protect each motor by isolating the power supply of motor by de-energizing the starter/panel from following electro-mechanical faults which may otherwise damage the motor windings : A. Voltage related fault: Single phasing, under voltage, over voltage, unbalance voltage. B. Current related fault: Over current / load, dry running, unbalance current / load, earth leakage, short circuiting. C. Display line current of RYB Phase and also line voltage of RY ,YB and BR phase. Bimetal overload relay: Bimetal over load relay of suitable range should be fitted with in the each starter as an extra protection to protect the motors in case of failure of fault analyzer . Providing/ fitting of suitable capacity 35 sq mm or any other suitable capacity copper cable (60 mtrs. Approx.) for 100HP motor. Complete job includes cost of providing/ fitting, transportation charges, hire charges of tool and tackles charges, hire charges of skilled and unskilled labour, and all kinds of taxes thereof. complete job Make of MCCB – Any reputed make like L&T,Havells etc. or any other as per ISO standards Make of contactor – Any reputed make like Havells or any other as per ISO standards Make of cable – Any reputed make like Polycab, Havells etc. or any other as per ISO standards Supply/ installation/ testing and commissioning of 400 ampere main switch at LIS Aryanpura. Job involves shifting of new 400 Ampere main switch of reputed make to the site of LIS. The main switch should be of reputed make like L&T,Havells etc. or any other as per ISO standards Job includes fitting of 400 Ampere main switch and providing the electrical connections by new thimbles duly crimped and taped. . Complete job includes cost of material, labour charges, manual handling, transportation charges and hiring charges of tools and tackles. Providing/fitting of 250 mm diameter cast iron Sluice Valve PN10 rating of pumping unit in 1 No. after replacing the existing damaged Sluice valve by way of cutting rusted nuts, bolts with gas cutter. The valve should be of reputed manufacture like Kirloskar, KSB etc. The job involves shifting of 250mm dia sluice valve to site of LIS by using mechanical transport and manual labour .The job further involves fitting of flanged ends cast iron Sluice Valve on the delivery side of pumping unit with rubber gaskets , nuts and bolts on the delivery pipeline by using skilled labour and suitable tools & tackles..The job includes the cost of material, carriage and hire charges of material and tools and tackles required for the job, labour charges for skilled and semi skilled labour at site L.I.S.

SUNIL KUMAR SURI CONTRACTOR

Rishabh Electricals and Mechanical Works

PERFECT ELECTRICAL WORKS