Public Works Department-PWD has published Tender For Up Gradation Of Pumping System And Related Equipments For Improvement Of Bhalaswa Lake Pump House Area Under North Electrical Division Pwd Delhi. Submission Date for this Tender is 14-03-2024. Spare Part Tenders in Delhi Delhi. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Supplying, installation, testing and commissioning of sewage and strom water disposal pump set with positive displacement Rotary Lobe Pump, geared motor, mounting on base frame suitable for VFD Based control,automation and to the 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 ButadieneRubber(NBR),Highflow • 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 base frame 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: Discharge-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 is operating. •Suitable arrangement in each pumping system to lift the waste water from the bottom of the tank/drain 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 i/c connection in line etc as required. |
| 2 | Supplying, installation, testing and commissioning of Macerator/Xripper & fixtures meeting below mentioned specifications all complete as per direction of Engineer-in-Charge. X Ripper • 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 complete i/c connection etc as required. |
| 3 | 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 V AC 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 Motor Protection Circuit Breaker (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. xii) 6 A Push Button - Green with 1NO+1NC (REVERSE) - 1 No. xiii) 6 A Push Button - Red with 1NO+1NC, STOP - 1 No. xiv) 6 A Selector Switch - MANUAL OPERATION-MANUAL INCHING-AUTO - 1 No. xv) 0-20 A/5A Analog Ammeter, Type , CL-1.5, Size 96X96 Sq.mm. - 1 No. xvi) 6 A Ammeter Selector Switch, 3 position with OFF - 1 No. xvii) 50/5 A Current Transformer, Cl-1 - 03 Nos. xviii) 6 Sq. mm POWER Terminal - 04 Nos. xix) 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. ix) 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. (Note: This Item includes complete automation of Rotary Lobe Pumps) |
| 4 | Supplying & Laying and fixing of one number PVC sheathed XLPE insulated Al Conductor Armouredpower cable of 1.1 KV grade of following size in existing Cable tray complete as required. a) 3.5x70 sq.mm (clamped with 25/40x3mm MS flat clamp) |
| 5 | Supplying & Laying and fixing of one number PVC sheathed XLPE insulated Al Conductor Armouredpower cable of 1.1 KV grade of following size in existing DWC Pipe complete as required. a) 3.5 x 120 Sq.mm |
| 6 | Supplying and installing following size of perforated painted with powder coating M.S. cable trays with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with M.S. suspenders including bolts & nuts, painting suspenders etc. as required. a) 100 mm width X 50 mm depth X 1.6 mm thickness |
| 7 | b) 150 mm width X 50 mm depth X 1.6 mm thickness |
| 8 | Earthing with G.I. earth pipe 4.5 meter long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and salt as required. |
| 9 | Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required. |
| 10 | Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required. |
| 11 | Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing along with existing surface/ recessed conduit/submain wiring/ cable as required. |
| 12 | Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 kV grade as required. a) 3.5 x 70 sq.mm (38 mm) |
| 13 | b) 3.5 X 120 sq. mm (45mm) |
| 14 | Supplying and laying of following size DWC HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to IS 14930, Part II complete with fitting and cutting, jointing etc.direct in ground (75 cm below ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc., complete as required. a) 90 mm dia (OD-90 mm & ID-76 mm nominal) |
| 15 | Providing, laying, testing & commissioning of "C" class heavy duty MS pipe conforming to IS 3589/IS 1239 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) 200 mm dia (wall thickness 6.3 mm) |
| 16 | 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 |
| 17 | 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) 200 m.m dia |
| 18 | Providing and laying in position cement concrete 1:2:4 (1 cement : 2 coarse sand derived from natural sources : 4 graded stone aggregate 20 mm nominal size) in foundation of pump, DG set etc. including form work etc. as required. |
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