e-NIT No.17 / EnM (WEST)/ 2020-21, Item No.22

Supply of submersible unclog pump, screen less, chock less, gland less having centerline sideways outlet. The pump casing is provided with radial clearance around the impeller designed to pass through solids of required size. The Pump motor is designed for a stator, open at both ends for quick & easy winding. The pump is supplied with special sub. Cable, specially one designed as power cable & other for thermostat operation & earthing. 50 HP, 2900 RPM, Head:- 34 Mtr, Discharge:- 4500 LPM Size of outlet:- 150 mm Method of sarting star Delta Make:- BS/Darling/ Kirloskar/CG/SU/DJB Approved

Fully Automatic star delta starter with WLC 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 12Amp.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 12Amp.AC3 rating of the contactor. The suitable relay(45-75A) 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 . 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 30sec 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: L&T /Advance/PEC/Saviour/Siemens/Minilec

Supply of M.S Black Pipe, Conforming to IS :1239 part -1 (2004) of (Medium Class) thick 150 mm dia Make:- Jindal/TATA

Supply of M.S. Flange 150 mm dia 15 mm thickness

Supply of 150 mm dia thickness 8 mm 90 degree double flange bend

Supply of C.I D/F swing type non return value as per IS:5312(Part 1&2) PN1.0 CI body, door/Bronze to rubber rings/SS 410 Hinge pin construction of size 150 mm dia Make:- kirloskor / Ivc

Supply of three core flat cable with bare bunched copper conductor insulated & sheathed with PVC for submersible pump motor with voltage grade upto 1100V of 35 sq mm. size in 100mtr. Roll. Make: Finolex / Havells

Breaking & Making of R.C.C. wall for laying of suction line in the UGR by heavy labour or suitable machine as per site requirement

Fitting of delivery pipe line and sluice valve & NRV with proper-alignment ,connection the motor from panel to starter replacement of pipe line ,flange , nut bolts , washer . the job include all tools and tackles, loading and unloading , safety equipments and other precautions etc. i/c Testing and commissioning of load and unload to complete satisfaction of Engineer In- Charge.

M/S CHAITANYA CONSTRUCTION CO.