NITNo19ItemNo3

Supply of Sewage Submersible Pumps for Adarsh Nagar SPS as per the details given below: A. Supply of non-clog sewage submersible pump for the duty parameters of Discharge 360 cubic meter, head 25 meter, 50HP/37 KW/3Phase, working voltage 415 ± 10 %, 3 Phase, 50 Hz ± 5%, A/C Supply, having 1450 – 1500 RPM, outlet size 200 mm along with lifting chain, Neck ring, bow shackle and 20-meter power & control cables. B MOC: Impeller: CF8M, Casing: C.I.F.G. 200/260, Casing: C.I., Shaft: SS420, Neck ring: Hi Chrome Alloy Supply of Power Cable Waterproof/Oil proof, rubber-insulated, neoprene-sheathed copper conductor flexible cable,20m length standard with pump base and 10 mtr lifting chain. Including Suitable Control Panel. With given specification:-Fully Automatic star delta starter with control panel suitable for 50HP. in power coated enclosure wall/ floor mounting type, vermin proof, made of 1.6mm thick CRCA sheet. Enclosure will be suitable for outdoor installation having ingress protection & canopy having components of DJB approved makes. The control panel shall have short circuit protection suitable for type 2 co-ordination with a suitable S.C.P.D. with an MCCB of 200 Amp 36 KA.rating (conforming to IS/IEC 60947-2) for short circuit protection with minimum short circuit breaking capacity of 10KA. The panel shall be fitted with contactors & Thermal Overload Rely. Contactor and Thermal Overload Rely used inside the control panel shall comply with IS/IEC60947-4-1 The contactor AC3 current rating (at 415 V AC) for given pump-set should be of suitable rating Amp.AC3 rating of the contactor as required for smooth functioning . The suitable relay(90-150A) current ratings should be provided according to the FLC of the motor the overload relay should of trip class 10A or 10 with adequate termination capacity to terminate copper cables with lugs as per the device rating. MCCB 200 amp for power control and other required items. The motor “ON” and power ‘ON’ & PHASE indication will be through LEDs. A Digital metering unit displaying true RMS values of voltage (V) and Current (A) in real time. The control Panel protection features shall consist of following. a. Protections against single phasing. b. Protections against under voltage. c. Overload Protection (IDMT Characteristics). d. Protection against phase reversal fault and phase failure fault. e. Top/bottom Tank Level Control f. Dry Run Protection g. Power ON delay timer (30-300 sec) should be adjustable h. Single phase preventer with auto, manual and bypass mode. The control panel shall be provided with emergency ON/OFF switch, for switching operation in Auto Mode. i. Variable setting of 3 to 30 sec the switching ON and switching OFF of the pump shall also be provided through real time clock. Wire/ cables used inside the control panel will be fire retardant grade and wiring shall be complying with 15694: 1990. Make of Components: make:- L&T/Protech / Saviour / Siemens / Minilec and approved make DJB. Make of Pumps Mody/Aqua//KSB/DJB Approved make

CHANDERA BUILDERS

JAI MATADI TRADERS

paramount systems