Maintenance and Payment of electrical consumption charges of street lighting on PWD North West Roads under NWED(SHSITC of Rotary Lobe Pump sets and related equipments for improvement at Zakhira Tin Shed under NWED, New Delhi.).

Pump Set Work Supplying, installation, testing and commissioning of pump Set for dewatering mixed flow consisting of storm water and sewage with positive displacement Rotary Lobe Pump, gerared motor, base plate ,pressure switches, level switches, VFD Based control panel with starters, automation panel with accessories, complete automation of rotary lobe pumps with VFD control Panel, protection relays, interlocking with level and pressure switches & fixtures meeting below mentioned specifications all complete as per direction of Engineer-in-Charge. A Rotary Lobe Pump • Insensitive to dry running ( capable of handling trapped air), Self-priming capabilities, over -0.9 bar and should not need repeated priming, • Adjustable housing segments, Changeable pumping direction (Reversible) • Cartridge Blockring Mechanical seal (single compact unit for quick, easy replacement and easy alignment) • 3 sets of Bearing for Zero Shaft Deflection, Lobes mounted between bearings. Overhung design is not allowed. • Lobes - Pulsation free geometry, Nitrile Butadiene Rubber (NBR), High flow • Pump Shall be with high resistance and should allow large free passage up to 90 mm size solids. Stepless Shafts • Shaft dia Pump Chamber: Minimum 85 mm • Housing segments: Grey cast iron GG 25 - 0.6025 /ASTM A48 • Wear plates: high wear resistant steel Grade • Seal type: Cartridge Blockring Mechanical Seal made of SS304/Cr2O3 / Duronite • Pump and motor are to be mounted on a heavy duty C-Channel baseplate fabricated out of of size not less than 125 x 65 x 6 mm, aligned with flexible coupling. Coupling guard made of MS Galvanised sheet of not les than 2mm, included. • Steel Galvanized Connectors, flange as per ASME B16.5 Raised Face (RF) Class 150# Technical-Specifications: Capacity-147-385 cum/hr (Minimum),VFD Range 25-29 Hz Suction Lift -5 mtr, Vertial head: 30m, Horizontal head: 600m, • Suitable for VFD operation for flow rate adjustment. • Flow rate of the system should be able to handle a discharge range of 147- 385m3/h when pump are operating. • Gate valve and Non-return Valve to provide with each pump as per Discharge pipe size. • Suitable arrangement in each pumping system to lift the waste water from the bottom of the Pit B Geared Motor: • Motor: BBL/ABB/LHP or equivalent, Gearbox: Nord/Premium/ PBL or equivalent • Power: 55.0 kW • 4 Pole • Output rev.> 407 rpm at 50 Hz, Protection type: IP55, Insulation Class: F • Installation position: B3 (Geared Motor), Voltage: 3Ph/415V/50Hz, • Energy efficiency grade: Minimum IE3. Suitable for Variable Fequency Drive operation and can deliver upto 385 m3/h with a VFD complete etc as required.

Supplying, installation, testing and commissioning of Macerator/Xripper along with electric control panel etc as reqd & fixtures meeting below mentioned specifications all complete as per direction of Engineer-in-Charge. XRipper • Double-shaft cutter of compact design meant for cutting coarse substances and solids in a fluid flow • Efficient protection from clogging and blockage which might occur in pipes, pumps, armatures • Economical treatment of solids in liquid media • Applicable with various coarse substances and solids • Vertically designed with directly mounted drive for pipe installation • Insensitive to dry running • Mechanical seal as cartridge-unit Materials and design • Rotor material: high wear resistant special steel • Blade width: 10.6 mm • Rotor design: monolithic • Housing segments: steel • Wear plates: high wear resistant special steel • Mechanical seal: blockring/duronite with NBR O-ring • Wetted O-Rings: NBR • Shaft diameter: 84 mm • Connectors: X-Ripper Connectors "straight" made of mild steel galvanized, DN 250 Combi-flange Parallel Shaft Geared Motor: • Motor: BBL/ABB/LHP or equivalent, Gearbox: Nord/Premium/ PBL or equivalent • Power: 4.0 kW • 4 Pole • Output rev. 38 rpm at 50 Hz, Protection type: IP55, ISO-class: F • Installation position: M4, Voltage: 3Ph/415V/50Hz, • 3 Thermistors • Energy efficiency grade: Minimum IE3. • Speed driven shaft: 38 rpm • Speed non-driven shaft: 37 rpm • The motor is mounted directly to the XRipper by a torque support made of mild steel painted. etc. complete as required.

Supplying, installation, testing & commissioning of cubical type (indoor, floor mounted) control cum starter panel for pumpset & X-ripper panel conforming to IP 65 degree of protection, suitable for 415 V, 3 Phase, 4 wire 50 Hz AC supply system having front surface area not less than 1.90 sq. mtr ( N.S.) and 600 mm depth, fabricated in compartmentalized (preferably) design from CRAC sheet steel of 2 mm thick for frame work and covers, 3 mm thick for gland plates i/c cleaning & finishing complete with 7 tank process for powder coating in approved shade, having 300 Amp capacity extensible type TPN Aluminium alloy bus bars of high conductivity, DMC/ SMC bus bar supports, with short circuit with stand capacity of 35 MVA for 1 sec, fabrication shall be done in transportable sections, entire panel shall have a common copper earth bar of size 20 mm x 3 mm at the rear with 2 nos. earth studs, solid connections from main bus bars to switch gears with required size of Al. bus bar and control wiring with 2.5 sq. mm PVC insulated copper conductor S/C cable, cable alleys, cable gland plates in two half, i/c providing following switch gears for : a) VFD CONTROL for 55KW PUMP MOTOR i) 160A, 50KA MCCB TP, with Microprocessor based Release for O/C & S/C Protection + Spreaders + RHOM - 1 No. ii) 160 A Fuse Base - DIN Type - 03 Nos. iii) 160 A Semiconductor Fuses - DIN Type - 03 Nos. iv) 145 A VFD - 55KW Pump Application - 01 Nos. v) 6 A DP MCB, 10KA, C-curve for Control - 1 No. vi) Aux. Contactor, 2NO+2NC / 3NO+1NC, coil 230V AC - 06 No. vii) Aux. Contactor, 2NO+2NC, for Over Pressure Switch DI output - 01 no. viii) 230 Volt AC Motor Thermistor Protection Convertor - 1 No. ix) 230 V AC PT-100 Convertor - Dry Run Protection - 01 No. x) 6 A DP MCB, 10KA, C-curve for Control - 1 No. xi) 2 A SP MCB, 10KA, C-curve for Phases - 3 No. xii) 0-500V AC Voltmeter, Cl-1, SIF-96 - 1 No. xiii) 6 A Voltmeter Selector switch - 1 No. xiv) 0-150-450A Ammeter, Cl-1, CTR 5A, SIF-96 - 1 No. xv) 6 A Ammeter Selector switch - 1 No. xvi) 150/5 A Current Transformer, Cl-1 - 3 Nos., xvii) 6 A Selector switch for LOCAL/REMOTE - 1 No. xviii) 230 V AC Phase Indicating Light - R.Y.B. - 3 Nos. xix) 230 V AC Indicating Light, LED Type - GREEN for DRIVE READY - 1 No. xx) 230 V AC Indicating Light, LED Type - RED for DRIVE RUN - 1 No. xxi) 230 VAC Indicating Light, LED Type - AMBER for DRIVE FAULT - 1 No. xxii) 5 A Push Button with 1 NO contact - GREEN for START - 1 No. xxiii) 5 A Push Button with 1 NC contact - RED for STOP - 1 No. xxiv) 5 A Push Button with 1 NO contact - YELLOW for SPEED INCREASE - 1 No. xxv) 5 A Push Button with 1 NO contact - BLUE for SPEED DECREASE - 1 No. xxvi) 5 A Push Button with 1 NC contact - BLACK for FAULT RESET - 1 No. xxvii) 5 A Push Button with 1 NC - Mushroom Head - RED for EMERGENCY STOP - 1 No. xxviii) 5 A Control Terminals, 2.5 sq mm - 1 No. b) RDOL for 4KW X-RIPPER i) 6.3-10A, 50KA MPCB TP with Thermal Magnetic Release - 1 No. ii) MPCB - Trip contact - 1 No. iii) 32 A TP Contactor with 2NO+2NC Aux contacts, Aux. Supply-240VAC - 2 No. iv) 7.5 - 11 A Over Load Relay + Independent Mounting Kit - 1 No. v) 230 VAC Auxiliary Contactor, 2NO+2NC - 4 Nos. vi) 6 A DP MCB, C-curve for Control - 1 No. vii) 230 VAC Motor Thermistor Protection - 1 No. viii) 230 VAC Indicating Lamps, LED Type, Red (FORWARD) - 1 No. ix) 230 VAC Indicating Lamps, LED Type, Red (REVERSE) - 1 No. x) 230 VAC Indicating Lamps, LED Type, Amber (X-RIPPER TRIP) - 1 No. xi) 6 A Push Button - Green with 2NO+1NC (FORWARD) - 1 No. x) 6 A Push Button - Green with 1NO+1NC (REVERSE) - 1 No. xi) 6 A Push Button - Red with 1NO+1NC, STOP - 1 No. xii) 6 A Selector Switch - MANUAL OPERATION-MANUAL INCHING-AUTO - 1 No. xiii) 0-20 A/5A Analog Ammeter, Type , CL-1.5, Size 96X96 Sq.mm. - 1 No. xiv) 6 A Ammeter Selector Switch, 3 position with OFF - 1 No. xv) 50/5 A Current Transformer, Cl-1 - 03 Nos. xvi) 6 Sq. mm POWER Terminal - 04 Nos. xvii) 2.5 Sq. mm Control Terminals - 16 Nos. c) CONTROL SUPPLY and UTILITIES i) 4A DP MCB, 10KA, C-curve for Control - 1 No. ii) 6 A DP MCB, 10KA, C-curve for Control - 1 No. iii) 1000 VA Control Transformer 415 / 230V AC - 1 No. iv) 2A SP MCB, 10KA, C-curve for Control - 1 No. v) 6A Door Limit Switch - 1 No. vi) 8",230V AC Panel Exhaust Fan - 1 No. vii) 5 W, 230V AC Panel Light - 1 No. viii) 5A Combined Board with 1 nos. switch and 1no Socket - 1 No. ix)230V AC Panel Space Heater - 1 No. x) 230V AC Thermostat - 1 No. d) AUTO-CONTROL for 4KW X-RIPPER i) PLC Controller with 5DI, 1AI, 3DO - 1 No. ii)2 A DP MCB, 10KA, C-curve for Control - 1 No. iii) 4 A DP MCB, 10KA, C-curve for Control - 1 No. iv) 2 A SMPS - Input 230V AC, Output 24V DC for Sensors - 1 No. v) 0-10A / 0-10V Current Transformer with 0-10V DC voltage output, Cl-1 - 1 No. vi) 6 Window, Aux 230V AC Alarm Annunciator with TEST, ACCEPT, RESET PB and BUZZER - 1 No. a. PUMP OVER PRESSURE ALARM b. PUMP THERMISTOR ALARM c. PUMP DRY RUN ALARM d. X-RIPPER COVER OPEN e. X-RIPPER THERMISTOR ALARM vii) 2.5 Sq. mm Control Terminals - 30 Nos.

Supplying, fixing, testing & commissioning of double flanged sluice valve of rating PN 1.6 with non rising spindle, bronze/gun metal seat, ISI marked complete with nuts, bolts, washers, gaskets and conforming to IS 780 of following sizes as required : a) 250mm dia

Providing, installation, testing and commissioning of non-return valve of following sizes confirming to IS: 5312 complete with rubber gasket, GI bolts, nuts, washers etc.as required : a) 250mm dia

Providing, laying, testing & commissioning of 'C' class heavy duty MS pipe conforming to IS 1239/Class -II of IS: 3589 including Welding, fittings like elbows, tees, flanges, tapers, nuts bolts, gaskets etc. and fixing the pipe on the wall/ceiling with suitable clamp/support frame and painting with two or more coats of synthetic enamel paint of required shade complete as required : a) 250 mm dia (wall thickness 6.3 mm)

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required. a) Above 35 sq. mm and upto 95 sq. mm