| 1 | Supply, installation, testing, and commissioning of a Non-Clog Self-Priming Pump of 20 HP capacity for dewatering of the underground (UG) tunnel at 1 FOD. The pump shall be designed for a duty of 60 LPS at a total head of 14 metres and shall be provided with a Cast Iron (CI) impeller and mechanical seal suitable for handling dirty/wastewater and suction x discharge size: 150 mm x 150 mm. The pump shall be coupled to a 20 HP, 1450 RPM, three-phase IE3 efficiency electric motor, strictly as per the manufacturer s design. The pump and motor assembly shall be mounted on a common ISI-marked mild steel (MS) base frame and connected through a flexible coupling. The unit shall be complete with all standard fittings and accessories and shall be connected to the suction and delivery pipelines, including necessary valves on the delivery side, complete all as specified and directed by the Engineer-in-Charge. | 2.00 | Each |
| 2 | Supply and fixing of PVC insulated heavy-duty industrial cable, 1100 volts grade, three-core flexible copper conductor with a nominal cross-sectional area of 16 sqmm, conforming to relevant IS specifications, complete with all necessary connections, terminations, glands, lugs, and accessories, complete all as specified and directed by the Engineer-in-Charge. | 20.00 | RM |
| 3 | Supply, installation, commisioning and testing of Outdoor type LT Panel board mounted on rigid angle iron frame, overall size not less than 900 x 900 x 300 mm (Height above GL is not below 0.45 mtr), fabricated with double door system locking arrangement, having independent compartment for busbar incoming and outgoing feeders, dust and vermin proof, factory made, fabricated out of 3.15 mm thick CRCA sheet suitable for 3 phase 415 V, 50 Hz AC supply busbar chamber with Aluminium busbar 200 Amp rating for 3 phase and neutral for wire system duly insulated with heat shrinkable type sleeves as per colour code, supported on epoxy insulators 01 set, common earth busbar of GI strip 32 x6 at bottom with panel board at 2 earth terminals, cable glands with independent plates at bottom for each outgoing and incoming cables and complete panel board painted with powder coating in siemens Grey colour all as approved and comprising as under:-
Incoming :- (i) MCCB 4 Pole, Current rating 100 Amps with electronic trip unit, adjustable overload & short circuit, breaking capacity 36 KA at 415 V, 50 Hz, including with extended terminals, frame size/ type compact- 01 Nos
| 1.00 | Each |
| 4 | (ii) On Load Changeover Switch 100 Amp 4 Pole - 01 Nos
(iii) Meter module (Digital) with Voltmeter, Ammeter, Selector Switch, CTs Control Fuse & Phase Indicating lamps.
Outgoing :-
(i) MCCB 4 Pole, Current rating 63 Amps with electronic trip unit, adjustable overload & short circuit, breaking capacity 36 KA at 415 V, 50 Hz, connected with Fully automatic soft star delta motor starter- 02 Nos
(ii) Fully automatic soft star delta motor starter in MN 65 with single phase protection feature motor rating AC 3 phase 415 volts, 50 Hz for motor of capacity 20 HP, including with extended terminals, frame size/ type compact -02 Nos
Note:- (i) All internal wiring shall be done with suitable size of PVC insulated solid copper conductor FRLS cable conforming to IS-694.
(ii) Panel drawing shall be got approved before placing of order from Engr-in-Charge/GE.
(iii)The bus connection for cable from main bus bar to outgoing MCCB will be connected through suitable rating bus bar strip type duly insulat.
(iv) Cable will be entered in panels through gland.
(v)Cost of marking description on the front door as per direction of Engr-in-Charge is incl in quoted rate. | | |
| 5 | Supply, laying, fixing, jointing, and testing of LT underground electric cable, 1100 V grade, XLPE insulated, galvanised steel strip armoured, heavy-duty, ISI marked, with 4-core aluminium conductors of 16 sqmm nominal cross-sectional area, overall PVC sheathed. The cable shall be laid through pipes, under floors, or through walls, including all necessary terminations and connections, complete in all respects as specified and as directed by the Engineer-in-Charge. | 1008.00 | RM |
