Drinking Water And Sanitation Department Tender

repairing of 17.5 HP VT pump set, S/F control panel etc. and other allied works at RAW WATER Rural W/S scheme NADIYA

Providing 75 KVA Oil cooled erecting Servo Controlled Automatic Voltage stabilizer suitable for output voltage of 415 Volt +/- 1%, 3 ph,50 Hz with copper wound Transformer (Air/Oil Cooled) as mentioned below. The stabilizer shall function satisfactorily even if incoming supply is unbalance between phases with range of 10%. The stabilizer should be constructed in cubicle box with bi-directional wheels for easy handling, necessary monitor and users control on front panel such as indication, alarm, voltmeter and selector switch for measuring input and output voltage, auto and manual selector switch, Raise/Low push button etc. suitable capacity termination strips and bus bars for incoming and outgoing cable should be provided. All 3 phases shall be independently monitored and corrected. Following protections and indications shall be incorporated as per IS:9815. a. Over Voltage/Under voltage b. Single phasing c. Cut off contactor with electronic output sensing unit. d. Suitable changeover switch and earthing.

Renovation of motor control panel with supplying and fitting of following electrical items suitable for 7.5HP X2 Pump sets/site requirement. (A) Incoming feeder – (iv) 50 amp MCCB – 01 No. (v) 100 amp copper bus bar arrangement (4pole). (vi) Phase indication lamp – 03 Nos. (B) Out going feeder – (vii) 63 amp MCCB – 2 Nos. (viii) Volt meter – 2 Nos. (ix) Amp meter – 2 Nos. (x) Pilot lamp – 6 Nos. (xi) Selector Switch – 4 Nos. (xii) Single phase preventor – 2 nos. Complete internal wiring with suitable size of copper wire and testing on load.