Military Engineer Services Tender

Supply, installation, testing & commissioning in replacement floor mounted, cubical type, Automatic ACB control LT panel, indoor type, factory made, powder coated, CPRI approved, suitable for operation on 415 volts, AC 3 phase, 4 wire, 50 HZ electric supply system, made out of 50mm x 50mm x 6mm angle iron frame and 3.15 mm thick CRCA sheet side covers with front and back hinged doors with proper locking arrangement, width of panel as per manufacturer design, rubber gasket on front and back to make it dust and vermin proof, including aluminium busbar sleeved with heat shrink sleeve colour coated for phase, 4 wire electric supply system including busbar chamber, danger notice plate, wiring with suitable size of copper cable, mounted on PCC 1:2:4 type B-1 (With 20 mm graded stone agregate) foundation block of suitable size upto 40 cm above gound level complete with & including the following accessories :- (a) 04 Strips of aluminium bus bar with insulation colour sleeves RYBN of capacity 2000 Amp fixed on PVC heat shrinkable insulator heavy duty as per panel design-01 set, complete fixing on SMC / DMC insulators & supports. (b) ACB 1250 Amp 4 pole EDO 50KA with display-06 Nos (Incoming-01 No, DG set 01-01 Nos, DG set 02-01 Nos, Outgoing-01 Nos and spare ACBs-02 Nos). ACB shall confirm to IEC60947/IS 13947 (Part 1 & 2). The minimum breaking capacity should be 50 KA. The service short circuit breaking capacity (Ics) should be equal to ultimate breaking capacity (Icu) and short time withstand capacity (Icw) with Ics=Icu=Icw. The Icw value is for 1 sec.

The ACB shall have microprocessor based protection units with flexible and adjustable current - time protection sheeting for overload, short circuit, instataneous short circuit and earth Fault protections. ACB should have maximum operation voltage (Ue) of 690 nnVolts (AC50/60Hz), insulation voltage (Ui) of 1000 volts and rated impulse withstand voltage (Uimp) not less than 12000 volts. The ACB shall be provided with four members of auxiliary contact (Change Over) and one trip contract. Tall the protection unit should have built in LCD display for indication of menu's settings, recorded informations, current measurement, trip history (Last 10 fault history) & dedicated inbuilt LEDs for fault indication of overload, short circuit and Earth fault. ACB should be provided with 2 Nos of programmable changeover contracts for overload Pre Alarm & Over Temperature Alarm. (c) VAF meter 0-500 Volts, digital type, panel mounted, flush type, three phase of size 96 x 96mm complete with built in selector switch- 06 Nos (d) Metering CTs CL-15 VA 1250 Amp / 5 Amp complete as per panel disgn-06 Nos (e) MCB 6 Amps 10 KA SP-15 Nos (f) Phasing indicating lights RYB (LED type) - 24 Set (g) On and Off indicating Lights (LED Type) -03 Set (h) Shut release - 06 Nos (j) Under Voltage release 240 Volts-06 Nos (k) Closing coils-06 Nos

Note :- 1. The layout diagram of AMF Panel shall be submitted by the contractor for approval of Accepting Officer before placing order for procurement. 2. Rates quoted by the contractor will deemed to be included the cost of syncronisation with existing PLC panel any other major or minor spare required for successful functioning of the panel installed at MAFI Sub Stn. 3. Specifications of Automatic ACB control LT panel, Indoor type to be as per CI 8.23 of IS 8623:1993 (Part-I). 4. The ACBs shall be pragrammed in such a way that on failure of commercial supply, the integration with existing panel must be able to give command and process both the DG set installed at site with only healthy supply of one DG going for further utilisation. 5. The Panel must be synchronised for CAT-II mode of operation. 6. All other existing features must be fully functional and tested to the entire satisfaction of Engr-in-Charge. Cost of all other add ons required for the successful installation, testing & commissioning of the said item shall deemed to be included in quoted rate. 7. Contractor shall submit purchase Voucher, e-way bill and test certificate while claimimg payment of ACB control Panel.