Comprehensive Maintenance Contract for Automated Pump Houses and centralized SCADA system at Anushaktinagar, Mumbai.

Maintenance & Monitoring: Maintenance of the SCADA system & 24x7 continuous monitoring of auto / manual operation of the automated centralized water SCADA system including ensuring smooth operation except manual operation of valves at site at various locations and preventive maintenance of all the items of the system unless otherwise specified in Anushaktinagar, Mumbai as indicated in specification, scope of work and instructions of Engineer in charge.

Valve actuators Note: 1. To be carried out by OEM/Authorised service provider. 2. Preventive servicing of valve actuators and actuator panels to be carried out once in a year during the contract period.

Solenoid valve: Type - Internal pilot Diaphragm operated / direct acting high orifice, Media - Water, Media temperature - Ambient, Operating Presure - 0.5-10 bar (g) / 0-10 bar(g), Orifice - NW=12 mm / NW - 10 mm, Solenoid Voltage - 24V DC, Seat Material - HYTREL / NBR, Body material - SS / Brassm, Weather proof protection as required. Make - AVCON.

MBBV:Motorized ball valves of M/s Johnson/York make, size 15 to 20 mm and pressure rating 15.0 kg/sq.cm, torque 6 NM, valve opening time 72-144 sec, SS body, supply: 24V AC 50 Hz as required.

Pressure Switches: Pressure switches range 0-10 kg/cm2 switch element- 1 SPDT contact rated 10 A , Enclosure- weather proof, IP 66, Max working temperature- 70 degree C, differential- 0.3 to 1.3 Kg/cm sq, maximum working pressure- 25 kg/cm sq., cable entry connection- 1/2 NPTF, sensing element- SS bellows with brass welded parts.

PRESSURE TRANSMITER model similar to SIEMENS 7MF 1570-1DA01-Z+C11 or equivalent, Range- 0-4 meters water head, cable length- 10 meters minimum, accessories such as junction box, cable hanger, output signal- 4-20 mA, power supply: 10-36 V, seal diaphragm: SS 316L, enclosure-stainless steel, gasket-Viton, PE cable, IP 68 degree of protection / Pressure transmeitter similar to make Siemens model number no. 7MF 1565-3CA00-1AA or equivalent specicifcation as per OEM

PRESSURE GUAGE of make- Micro, range- 0-15kg/cm2, dial size-150 mm, 1/4” NPT bottom mount, Bourdon Tube Material:Copper alloy, Dial material: White ABS.

Hydrostatic type level transmitter of M/s E+H/ Siemens/SBEN make as per following specifications: i) Range: 0 - 4 meter of water column. ii) Cable Length: 12 meters ( Minimum) Accessories: iii) Junction Box, Cable Hanger iv) Accuracy: +/- 0.3% of scale v ) Output Signal: 4 – 20 m A ) vi) Power Supply : 10 – 36 V vii )Seal Diaphragm: SS 316L viii)Enclosure: Stainless Steel ix ) Gasket: Viton x ) Connecting Cable: PE x)Degree of Protection: IP 68