SITC of Rotary Lobe Pumps and related equipments at various underpass pump house under PWD sub division-3/M2533 Shahdara.

Pump Set Work

Supplying, installation, testing and commissioning of Positive displacement Rotary Lobe Pump for storm water dewatering pump set consisting of following complete in all respect etc. as reqd. A) Rotary Lobe Pump • Insensitive to dry running (capable of handling trapped air) • Excellent 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) • Capable of handling Crushable solids minimum 60 mm • Stepless shafts Pump Specification • Shaft dia Pump Chamber: Minimum 85 mm • Lobes: Nitrile Butadiene Rubber (NBR), HiFlo • Housing segments: Grey cast iron GG 25 / 0.6025 / ASTM A48 • Wear plates: high wear resistant special steel • Seal type: Cartridge Blockring Mechanical Seal SS304 Cr2O3 / Duronite • Pump and motor are to be mounted on a bedplate in canted piggy-backconstruction, Fitted with belt-drive and belt guard. Tubular base • Steel Galvanized Connectors, flange as per ASME B16.5 Class 150# Raised Face (RF) Technical-Specifications: Pump : Capacity 138-276 m³/hr; VFD Range 36 - 67 Hz Suction Lift: minimum 3 mtr and Head: 20 mtr • Suitable for VFD operation for flow rate adjustment .....................CONT..............................

• Flow rate of the system should be able to handle a discharge range of 138-276 m3/h when pump are operating. Base B design (with belt drive) Wetted o-rings: NBRPump and motor are mounted on a bedplate in canted piggy-back-construction, Fitted with belt-drive (Narrow V-belt) and belt guard. • Flow rate of the system should be able to handle a discharge range of 138-276 m3/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) Motor:3-phase-motor: Power: 37.0 kW Output rev: 1475 1/min at 50 Hz Protection type: IP55 ISO-class: F Installation position: M1 (Flange) Voltage: 3Ph/450v 3 thermistors Energy efficiency grade: IE3

Supplying, installation, testing and commissioning of Cutter/Grinder along with electric control panel etc as reqd & fixtures meeting below mentioned specifications all complete as per direction of Engineer-in-Charge. Cutter/Grinder • 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: Cutter/Grinder 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 Cutter/Grinder by a torque support made of mild steel painted. etc. complete as required.

VFD CONTROL PANEL Supplying, installation, testing & commissioning of cubical type (outdoor type, floor mounted) control cum starter panel for pump set & Cutter/Grinder 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. ..................CONT............................

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. ................CONT............................

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 Cutter/Grinder 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 (Cutter/Grinder 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. ..........................CONT....................

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 Cutter/Grinder 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. Cutter/Grinder COVER OPEN e. Cutter/Grinder THERMISTOR ALARM vii) 2.5 Sq. mm Control Terminals - 30 Nos.

Level Sensor:- Non contact Radar Level Transmitter with flange, 2 wire 24 VDC Loop Powered Analogue with HART for Range of 10 meters.

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) 200 m.m dia