Delhi Metro Rail Corporation Limited Tender

supply and fixing 100 mmm dia brass dial type pressure gauge suitable for 0-15 kg/sqcm pressure range with isolation cock and complete in all respects

Supply & making header of GI pipe for seepage , sewage & tunnel sump discharge line complete in all respect fixing of pressure gauge ,butterfly valve ,non return valve etc with testing & commissioning a) 100 mm dia

Suppy,installation, testing and commissioning of the following submrsible sump pumps conforming to M&W specification with motors conforming to M&W specification for waste water drainage,free standing type, complete with MS galvanised lifting chain of suitable length,fasteners,expansion bolts built in suction stainer,bottom support frame guide wires,motor control centre (including subersible cable from control panel to pump motors,sensors/probes for automatic operation complete as per M&W specifications.One additional pair of C.O contacts should be available for BMS purposes:- For seepage sump at basement of ancillary building /location directed as per enginee-in-charge. Solid handling capacity 40 mm , flow rate 300 LPM, head 20 m ,RPM 2900. Each set consist of 2 pumps (1 Working + 1 Standby ). At any given time only 1 pump must operate . Both the pumps must operate alternatively in service

Local meter control DB (wall mounted ) for mid tunnel pumps as per technical specifications & as per the following details . INCOMER 100A/40 A , 35 kA, MCCB having Electronic Trip Unit with adjustable protection against overload and adjustable protection against Short circuit. 100A/40 A , 35 kA, MCCB having Electronic Trip Unit with adjustable protection against overload and adjustable protection against Short circuit. LED indication lamp for the pahase indication (R-Y-B), Feeder ON ,OFF, Trip Lamp test, Ready to close, Control Supply metering , Spring charge , Fault etc. Any other selector switch as required to achieve interlocking or as approved . Suitable mounting arrangement for level controller & interface. Indication for Temp.,Sensor Moisture Sensor or any other as required . METERING. Multifunction energy metre with RS-485 connectivity forn measurement of voltage, line current, power factor ,kVA , kVAR, Load on/off time, power &energy, Maximum demand etc. 3 Nos, Multi ratio CTs,40/5A, 10VA, CL-1 for metering . BUS BAR Electrolytic high conductivity T P & N (full size) copper conductor bus bars rated 40 Amps, suitable to withstand symetrical fault level of35 kVA for 1 second at 415 volts. OUTGOING 2 Sets of star delta starter unit for Sump Pumps ( upto 3.7 Kw each) with one pump as working and other as standby,Each starter unit shall be equipped with the following - 1 No. 3 pole suitable rating of MPCB (with inbuilt single phasing preventor) with suitable rating of Over-load release and having contacts for indications- On Off Trip 1 No. 4 pole RCBO with 40 A rating and 100mA sensitivity. 1 No. Multifunction energy meter for measurement for voltage , line current , power factor 1 No. CT, 10/5A, 10VA, class -1 for metering Auto/ Local/Remte selector Switch key operated Insuminated Door mounted push buttons for start and stop functions. 3 No, 18 A, A-3 Duty, pole Contactor with Ancillary contacts and operating coil of 240v Ac. One No. Star delta timer Timer & necessary accessories and equipment (for programming)in case selected pump is not operative then next shall be switched on automatically) Running hour meter Auxilliary Contactors auto/ local/ remote operation Power & Control terminals for cables connections Moisture and temp sensor relay. Equipment common for all feeders is indicated below: Auxillary Contactors with 240 V-AC operating coil (for working /standby selection). Seada/BMS connectivity at the separate marshelling box in the panel with provision of all necessary I/O points & transducers mounting prewired upto marshelling box terminal boards from the factory itself and audited in factory from BMS provider