Mechanical and Electrical work to be carried out at lift irrigation scheme Ijara Phase II.

ACB and Main Control Panel: Servicing of 2500 Amp ACB 03 pole fitted in Substation by way of disconnecting the pvc cables, opening nuts & bolts then remove it from panel & shifted it to working place with the help of skilled labor, then overhaul ACB at site by way of adjustment of all protection devices, removing of dirt, dust and other greasy substance from all contact points with the help of highly volatile thinner/acetone and blowing of compressed air inside the ACB compartment. The job also includes removing of all damaged control wiring from the ACB and the providing and fitting of new suitable size copper control wiring inside ACB with identification mark and tapping where ever required. After proper servicing fitting it back to panel tighten nuts & bolts, & tested it on full load after connecting connections properly with the help of skilled labour.

Servicing of Main Control Panel: 2500 Amp ACB (01 no) and 800 Amp ACB (02 No) 03 pole fitted in panel by way of disconnecting the pvc cables, opening nuts & bolts then remove it from panel & shifted it to working place with the help of skilled labour, then overhaul ACB at site by way of adjustment of all protection devices, removing of dirt, dust and other greasy substance from all contact points with the help of highly volatile thinner/acetone and blowing of compressed air inside the ACB compartment. After proper servicing fitted it back to panel tighten nuts & bolts, & tested it on full load after connecting connections properly with the help of skilled labour. The job also includes the charge for repairs to bus bar Al/Cu if any at required spots. After completion of repair work all ACB shall be carefully fitted in panel, the job also include providing and fitting of new Voltmeter & Ampere meter (0-500) of reputed make (03 no each.) After completion of work the main control shall be tested on full load.

Servicing of 400HP Starter I by way of: Complete maintenance of ATS Starter at site by way of checking all connections leads, cleaning/servicing of contact points by applying carbon tetra chloride active chemical to make the surface clean. Adjustment of all protection devices, removing of dirt, dust and other greasy substance with the help of highly volatile thinner/acetone and blowing of compressed air inside the starter compartment. The job also include p/f of selector switch, indicating lamp, on off switch etc. a) Providing, fitting & setting of electro pneumatic timing relay with timing range upto 60s coil voltage 415V. (2NO 2NC double block ON/OFF delay). b) Providing/fitting & Testing of Single-Phase preventer with Phase unbalance, phase failure Phase Reversal protection relay voltage range 415V Ac 50Hz. (01 no) c) Providing and fitting of new Voltmeter & Ampere meter (0-500) of reputed make (01 no each.).The job also include p/f of Phase indicating lamp, selector switch , control wiring, on/off switch. d) Providing and fitting of new fuse set of reputed makes as per sample. e) P/f of thermal overload relay as per sample(01)

Servicing of 400HP Starter II by way of: Complete maintenance of ATS Starter at site by way of checking all connections leads, cleaninig/servicing of contact points by applying carbon tetra chloride active chemical to make the surface clean. Adjustment of all protection devices, removing of dirt, dust and other greasy substance with the help of highly volatile thinner/acetone and blowing of compressed air inside the starter compartment. The job also include p/f of selector switch, indicating lamp, on off switch etc. a) P/F of A.C coils of Telemecanique & Controls LCIF 630A 415volt 50HZ,The Electromagnetic Contactor assembly coil voltage range 240V Ac (01) No. b) Providing/fitting & Testing of Single-Phase preventer with Phase unbalance, phase failure Phase Reversal protection relay voltage range 415V Ac 50Hz. (01 no) c) Providing and fitting of new Voltmeter & Ampere meter (0-500) of reputed make (01 no each.).The job also include p/f of Phase indicating lamp, selector switch , control wiring, on/off switch. d) Providing and fitting of new fuse set of reputed makes as per sample. e) P/f of thermal overload relay as per sample(01)

Providing and filling of transformer oil / Type II inhibited oil conforming to IS 335 for two Starters on site. (Preferred make: Power oil/ Indian Oil Servo/ HPCL).

Voltage Stabilizer: Servicing of Voltage Stabilizer by way of Dismantling of voltage stabilizers, opening top lid, taking out the voltage regulator and Core, checking all connection lead insulation and providing and fitting of new insulation wherever required for connection leads, refitting of voltage regulator and assembling voltage stabilizer properly after proper servicing/ repair. The job involves welding repairs to oil tank at leakage spots to make it leak proof. Connecting of leads of all incoming and outgoing connections and testing of Voltage Stabilizer at site on full load. The Job also include providing and fitting of new Voltmeter and Ampere meter (0-500 range) selected switch, phase indicating lamp control wiring complete and bush rod.

Providing and filling of transformer oil / Type II inhibited oil conforming to IS 335 for two Stabilizer on site. (Preferred make: Power oil/ Indian Oil Servo/ HPCL) (05 Sealed Barrel 210lt/barrel)

Transformer: Providing and filling of transformer oil / Type II inhibited oil conforming to IS 335 for 1.6 MVA Distribution Transformer on site. (Preferred make: Power oil/ Indian Oil Servo/ HPCL)(01 sealed barrel /210 lt/barrel)

Repairs to 350mm Dia MS Rising main: Arresting of all Minor/ Major leakage in rising main of approximate length of 1500 mtr by way of welding and patching, the job shall include cost for earth excavation at various high terrain location with the help of manual labours/ Excavator as per site requirement, then cutting appropriate size of windows to the rising main by using oxyacetylene gas plant at site for cutting of window to M.S pipe in order to carry out welding works inside the pipe. The job then involves cleaning of rust around pipe by chipping off rusted layers inside the pipe. The cracked portion of the pipe shall be plugged by using M.S plate of suitable length to cover circumferential & longitudinal crack inside/outside the pipe. The job includes the hire charges on a/c of using D.G set, welding set, Gas cutter, load carrier, manual earth excavation, manual labours, superior quality electrodes and skilled welder for completing the repair work. After successful completion of repair work, the rising main shall be tested on full load and no leakage shall remain in the rising main. The job also include Maintenance of control valve by way of opening nuts and bolts with the help of heavy tool and tackles and skilled labour, The job then include proper cleaning of all control valve removing accumulated muds or thrash if any. after proper cleaning and inspection, the control valve shall be assembled properly and tested on full load.