Repair Maintenance of DG Set and AMF Panels under GE Brichgunj, Port Blair

Amount

M & L for Inspection and carrying out B-Checks of 500 KVA DG Set Once in Six months or 300 Hours of Run whichever is earlier installed at various locations by representative / authorised Service Engineer of OEM of the DG Set including inspection, maintenance, changing all types of filters and servicing of DG Set including Alternator, Non AMF / AMF Panels connected to DG Sets for routine check-up including routine / preventive maintenance checks, checking up of engine and alternator for the smooth functioning as per the Manufacturer’s instructions including checking of Engine Oil Level, Oil Bath Cleaner Oil Level, Draining Sediments from Fuel Tank, checking of Pre Cleaner Dust Pan, Air Cleaner Restriction, Coolant Level, Recording Oil Pressure, Checking / Tightening of all Bolts / Nuts of Engine and Alternator, checking of AVM Pads, Diaphragm Coupling, Air Piping, cleaning of Oil Bath Air Cleaner Tray Screen, check / adjust Belts, checking Battery Voltage, Water Level and apply Jelly on Terminals, checking Fan Hub / Air Blower Hub and Water Pumps, cleaning of electrical connections with CTC solution, checking of safety controls, cleaning of Cooling System, cleaning of Engine and Radiator Assembly, including cleaning of Air Filter using Pressure Air, Corrosion Inhibitor, O Ring, Gaskets, Screws etc. and draining out old engine oil from oil chamber and removing deposited material including applying Grease, CRC in moving parts and draining out water from radiator assembly and refilling new after mixing with coolant including tightening of all inlet and outlet connections and replacing minor items such as Hose Clamp, Screws, Washers etc., cleaning of Roof, Floor of the DG Set Room complete all as specified and as directed.

Note: The B-Check includes carrying out preventive maintenance including replacing minor unserviceable / worn out spares other than those catered as supply only under this Schedule to keep the DG Set for trouble free functioning. The rate quoted is deemed to be including all the minor spares such as screws, clips, washers, distilled water, electrolyte, etc. All other Spares, Engine Oil & Coolant will be measured and paid separately as supply only under relevant items of this schedule. Contractor shall attend the break down at any time and place during the contract period. General maintenance is indicative only contractor shall also required to carry out other necessary maintenance task as directed.

All as per Serial Item No. 1 above but DG Set of Capacity 250KVA

All as per Serial Item No. 1 above but DG Set of Capacity 200KVA

All as per Serial Item No. 1 above but DG Set of Capacity 160 KVA

All as per Serial Item No. 1 above but DG Set of Capacity 100KVA

All as per Serial Item No. 1 above but DG Set of Capacity 82.5KVA

All as per Serial Item No. 1 above but DG Set of Capacity 62.5KVA

All as per Serial Item No. 1 above but DG Set of Capacity 50KVA

All as per Serial Item No. 1 above but DG Set of Capacity 30KVA/40KVA

All as per Serial Item No. 1 above but DG Set of Capacity 15KVA

All as per Serial Item No. 1 above but for diesel engine coupled to Firefighting Pump of Capacity 43 HP / 10 HP

Supply only Oil Filter suitable for DG Set of Capacity 500 KVA

Supply only Oil Filter suitable for DG Set of Capacity 250 KVA

Supply only Oil Filter suitable for DG Set of Capacity 200 KVA

Supply only Oil Filter suitable for DG Set of Capacity 160 KVA

Supply only Oil Filter suitable for DG Set of Capacity 100 KVA

Supply only Oil Filter suitable for DG Set of Capacity 82.5 KVA

Supply only Oil Filter suitable for DG Set of Capacity 62.5 KVA

Supply only Oil Filter suitable for DG Set of Capacity 50 KVA

Supply only Oil Filter suitable for DG Set of Capacity 30 /40 KVA

Supply only Oil Filter suitable for DG Set of Capacity 15 KVA

Supply only Oil Filter suitable for Engine coupled to Firefighting Pump of Capacity 43 HP / 10 HP

Supply only Fuel Filter suitable for DG Set of Capacity 500 KVA

Supply only Fuel Filter suitable for DG Set of Capacity 250 KVA

Supply only Fuel Filter suitable for DG Set of Capacity 200 KVA

Supply only Fuel Filter suitable for DG Set of Capacity 160 KVA

Supply only Fuel Filter suitable for DG Set of Capacity 100 KVA

Supply only Fuel Filter suitable for DG Set of Capacity 82.5 KVA

Supply only Fuel Filter suitable for DG Set of Capacity 62.5 KVA

Supply only Fuel Filter suitable for DG Set of Capacity 50 KVA

Supply only Fuel Filter suitable for DG Set of Capacity 30 / 40 KVA

Supply only Fuel Filter suitable for DG Set of Capacity 15 KVA

Supply only Fuel Filter suitable for Engine coupled to Firefighting Pump of Capacity 43 HP / 10 HP

Supply only Coolant Filter suitable for 500 KVA DG Set installed at Main Power House complete all as specified and as directed.

Supply only Coolant Filter suitable for 200/160 KVA DG Set installed at Likabali Auditorium/MAP complete all as specified and as directed.

Supply only Coolant Filter suitable for 250 KVA DG set installed at TA Battalion complete all as specified and as directed.

Supply only Bypass Filter suitable for 500 KVA DG set installed at Main Power House complete all as specified and as directed.

Supply only Bypass Filter suitable for 200/160 KVA DG set installed at Likabali Auditorium/MAP complete all as specified and as directed.

Supply only Fuel Water Separator Filter suitable for 250 KVA DG set installed at TA Battalion complete all as specified and as directed.

M & L for Repairs and Reconditioning of Battery Charge Alternator of Cummins make including taking out the defective Alternator from 15 – 100 KVA Capacity DG Set, complete dismantling and repair and replacing the Carbon Brushes, Rectifier Diode Set, Bearing and Bush, Regulator Control, refixing the same in the DG set and connecting with the circuit including all required items and accessories, starting and testing complete all as specified and as directed.

M & L for Repairs and Reconditioning of Battery Charge Alternator of Cummins make including taking out the defective Alternator from 82.5 – 500 KVA Capacity DG Set, complete dismantling and repair and replacing the Carbon Brushes, Rectifier Diode Set, Bearing and Bush, Regulator Control, refixing the same in the DG set and connecting with the circuit including all required items and accessories, starting and testing complete all as specified and as directed.

S & F in repairs and rewinding the Excitor Starter Assembly of 500 KVA Capacity DG Set by taking out complete burnt Coils, cleaning and rewinding the same by supper enamel copper wire of SWG 18, insulating the coils with Nomex Paper, Milinex Sheet, Heating and varnishing and applying one coat of bectol anti rust protection, fixing back in to the Alternator, connecting the cables, starting and testing complete all as specified and as directed.

Supply only Coolant for Radiator suitable for DG Set of 15 – 500 KVA Capacity of make Cummins / Kirloskar/ Ashok Leyland Green complete as per manufacturers recommendations, all as specified and as directed.

S & F in repairs Engine Fuel Hose Set along Connector suitable for 500 KVA Capacity DG Set, connecting, starting and testing complete all as specified and as directed.

S & F in repairs Fan Belt [Set of 2 Nos] suitable for 200 KVA DG Set [Cummins Part No. 178611] complete all as specified and as directed.

S & F in repairs Belt for Water Pump [Set] suitable for 200 KVA DG Set [Cummins Part No. 200328] complete all as specified and as directed.

S & F in repairs Fan Belt [Set of 3 Nos] suitable for 500 KVA DG Set [Cummins Part No. 3001660] complete all as specified and as directed.

S & F in repairs Belt for Battery Charging Dynamo of 500 KVA DG Set of Cummins make complete all as specified and as directed.

S & F in repairs Radiator Fan Belt [Set] suitable for 30 / 50 / 62.5 / 100 KVA DG Set complete all as specified and as directed.

S & F in repairs High Water Temperature Trip Safety Control [Cummins Part No. 3408624] suitable for DG Set of 500 KVA / 200 KVA Capacity of Cummins make complete all as specified and as directed.

S & F in repairs Low Lub Oil Pressure Safety Control [Cummins Part No. 3408607] 3408614 suitable for DG Set of 500 KVA / 200 KVA Capacity of Cummins make complete all as specified and as directed.

S & F in repairs Fuel Oil Pressure Sensor suitable for 500 KVA Capacity DG Set of Cummins make complete all as specified and as directed.

S & F in repairs Stop Solenoid Switch suitable for 100 / 30 KVA Capacity DG Set, aligning, connecting with circuit, starting and testing complete all as specified and as directed.

S & F in repairs Coil Electrical in STC Control Valve [Cummins Part No. 4963341] suitable for 500 KVA DG Set complete all as specified and as directed.

S & F in repairs Stainless Steel Exhaust Bellow with Flange 6" Dia including Gasket and Mounting Bolts suitable for 500 KVA Capacity DG Set complete all as specified and as directed.

S & F in repairs Shutdown Valve [Cummins Part No. 3239599 suitable for 500 KVA / 200 KVA Capacity DG Set complete all as specified and as directed.

S & F in repairs Magnetic Pick-Up [Cummins Part No. 3875360] suitable for DG Set of 500 KVA / 200 KVA Capacity of Cummins make, adjusting the gap setting and connecting in the circuit complete all as specified and as directed.

S & F in repairs Low Coolant Water Level Sensor suitable for 500 KVA Capacity DG Set of Cummins make complete all as specified and as directed.

S & F in repairs Battery Charger 230 Volts AC Input and Output 12 Volts, 10 Amps charging rating IMPS type with fully auto control in charging and floating with boost system complete all as specified and as directed.

Supply, lay, test and commissioning of 3 Core, 1.5 Sq.mm, PVC Insulated and PVC sheathed, heavy duty cable, with Multistranded Copper Conductor cable, 1100 Volts, FRLS Grade, ISI Marked including crimping type cable lugs, sockets etc. including taking down old Cables of any description complete all as specified and as directed.

S & F Heavy duty PVC Conduit, 20 mm dia concealed in Walls / Roofs / Floors / Ceiling etc. inclusive of boxes [Junction / Terminal], Tees, Bends, Elbows, Reducers, Bell Mouth Tube Ends and fixing accessories such as couplers, lock nuts, saddles, pipe hooks etc. for drawing PVC Cable etc. complete all as specified

S & F in repairs Electrical Contactor of Main Supply Contactor in 50 KVA / 40 KVA / 30 KVA Capacity AMF DG Set complete all as specified and as directed.

S & F in repairs 4 Pole Contactor 415 Volts, AC, 200 Amps, 415 / 240 Volts Coil Supply Voltage complete all as specified and as directed.

S & F in repairs Spare Coil 415V/240 V AC suitable for Contactor 415 Volts, AC, Model MCX 33 complete all as specified and as directed., Make: L & T / C & S

S & F in repairs Air Filter suitable for 100 KVA / 62.5 KVA / 50 KVA Capacity DG Sets [Cummins Make] complete all as specified and as directed.

S & F in repairs Air Filter suitable for 500 KVA Capacity DG Set [Cummins Part No. 4020551] complete all as specified and as directed.

M & L for repair and reconditioning of Starting Motor, 12 Volts DC System including taking out defective starter from 15 – 100 KVA Capacity DG Set, complete dismantling and repair and replacing the Carbon Brushes with Holder, Solenoid Switch Assembly, Bushes, Commutator Unit, Starting Coil etc., refixing the same in the DG Set and connecting with the circuit including all required items, starting and testing complete all as specified and as directed.

M & L for repair and reconditioning of Starting Motor, 24 Volts DC system of Kirloskar make including taking out the defective Starter from 500 / 250 / 200 KVA Capacity DG Set, complete dismantling and repair and replacing the Carbon Brushes with Holder, Bushes, Starting Coil etc., refixing the same in the DG Set and connecting with the circuit including all required items, starting and testing complete all as specified and as directed.

S & F in repairs AMF Logic Controller [Microprocessor based] suitable for 200 KVA / 62.5 KVA / 50 KVA / 30 KVA Capacity DG Set complete checking the panel and its connection circuit in the panel board, providing proper interlink connection with DG Set including all required items, starting and testing complete all as specified and as directed. Make: C & S / L & T / Cummins

S & F in repairs and commissioning of AVR suitable for 30 KVA / 50 KVA / 100 KVA / 200 KVA Capacity DG Set by taking out the defective AVR from DG Set Alternator from its Control Circuit, fixing the new AVR and connecting in the circuit, thorough checking and testing the DG Set on load complete all as specified and as directed. Make: Kirloskar / Altex

Supply only Engine Oil for Filling / Topping-up of Grade 15W-40, Multigrade meeting CE/CF4 for DG Sets of different capacities complete all as specified and as directed. Make: Servo / Valvoline / Castrol

Cleaning/Descaling of Radiator / CAC Core of 500 KVA DG Set externally by applying cleaning agents as per manufacturer's recommendation, pressurised water and removing carbon, oil wet dirt, etc. complete all as specified and as directed.

S & F in repairs enclosed Automatic Transfer Switch [ATS] Panel suitable for 100 KVA DG Set comprising of Motorised Changeover Switch, 200 Amps, 4 Pole along with controller completely pre-programmed and pre wired complete all as specified and as directed. The controller Shall have the following: [a] Protection Parameter setting suitable for Undervoltage & Overvoltage Protection on both the lines [b] Generator Start and Stop Controls [c] Time Delay Setting etc Note: The rate quoted shall be deemed to be inclusive of taking down the cable connections from old switchgears and reconnecting in new panel. Cable required for connecting the Genset Controller with ATS Controller shall be measured and paid separately under relevant items of this Schedule.

S & F in repairs enclosed Automatic Transfer Switch [ATS] Panel suitable for 62.5 KVA capacity Gen Set comprising of Motorised Changeover Switch, 160 Amps, 4 Pole duly enclosed in an outdoor type Sheet Metal Enclosure fabricated out of 3mm thick CRCA Sheet duly powder coated with doors and locking arrangement and fixed with angle iron frame made of angles of size 50 X 50 X 6mm at Corners and base, embedded 600 mm below ground level in PCC 1:2:4, Type B–1 using 20mm grade stone aggregate, 600 mm above ground level complete including connecting up with existing incoming and outgoing cables etc. complete all as specified and as directed. The controller Shall have the following: [a] Protection Parameter setting suitable for Undervoltage & Overvoltage Protection on both the lines [b] Generator Start and Stop Controls [c] Time Delay Setting etc Note: The rate quoted shall be deemed to be inclusive of taking down the cable connections from old switchgears and reconnecting in new panel. Cable required for connecting the Genset Controller with ATS Controller shall be measured and paid separately under relevant items of this Schedule.

S & F in repairs PCC 3300 Genset Control Assembly [Cummins Part No. 0327-1601-01] suitable for 500 KVA Capacity DG Set complete all as specified and as directed.

S & F in repairs Human Machine interface for PCC 3300 comprising of Intuitive Operator Interface Panel that allows for complete Genset control as well as system metering, fault annunciation, configuration and diagnostics and interface shall have following features: [a] LED Indicating Lamps: Genset Running, Remote Start, Not in Auto, Shutdown, Warning, Auto, Manual and Stop, Circuit Breaker Open, Circuit Breaker Closed. [b] 320 x 240 Pixels Graphic LED backlight LCD [c] Four Tactile Feel Membrane Switches for LCD defined operation. [d] Seven Tactile Feel Membrane Switches dedicated screen navigation buttons for Up, Down, Left, Right, OK, Home and Cancel [e] Six Tactile Feel Membrane Switches dedicated to Control for Auto, Stop, Manual, Manual Start, Fault Reset and Lamp Test/Panel Lamps [f] Two Tactile Feel Membrane Switches dedicated to control Circuit Breaker [g] Communications shall include PC Tool Interface with RS-485 Communication Port to allow the HMI to communicate with a personal computer running in Power and the HMI to communicate with the Main Control Board Make: Cummins Power Command HMI 320 or equivalent

Material and Labour for repairs to 33 kV single phase current transformer (CT) conforming to IS-2765, Ratio:100-75/1-1-1A, Burden -/ 15VA/15VA, class of accuracy - PS/0.2/5P-20, Frequency:50Hz, INS level: 36/70/170 Kvp, STC:26kA for 15 sec, INS class-A, Vk> 50V (core 1) Type of C, complete including first fill of transformer oil all as specified and as directed - Qty 3 Nos.

Supplying, laying and testing XLPE insulated and PVC sheathed, FRLS, armoured heavy duty cable, ISI marked with Copper Solid Conductor, 1100 Volt grade of size 6 Core, 2.5 Sq.mm cross section suitable for earthed system, laying in trenches / duct / fixed to poles / drawn through pipes / sleeving through pipe in duct, including suitable size Double compression copper stainless steel cable gland, crimping type cable lugs, sockets etc. including taking down old LT Cables of any description complete all as specified and as directed.

M & L for Earthing complete with Galvanised Steel Earth Plate Electrode 600 X 600 X 6 mm thick burried directly in ground [earth pit not less than 2.25 m deep below ground level] with top edge of Plate not less than 1.50 m below normal ground level connected to 32 X 6mm GI Strip [Earth Lead] and GI pipe 50 mm, Medium Grade for earthing lead protection to the extent of maximum 7.5m, Earth Plate Electrode surrounded by 150mm thick packed layers of Charcoal and Common Salt filled in alternate layers, connected to the Plate by means of GI Bolts & Nuts complete all as per Electrical Plate No. 3 of SSR Part – I, connected to panel / DB including testing on completion including main earthing, Charcoal, Common Salt, PCC [1:2:4, Type B1] Pit with RCC 1:2:4, Type B1 Cover, 50 mm thick with 6 Nos, 8 mm dia TMT bars in both ways, MS frame made with 40 X 40 X 6 mm Angle Iron, MS Funnel with 20 mm bore, medium grade GI Watering pipe, wire mesh, earth work excavation, return filling, removal of surplus soil etc. and disconnecting and taking down existing Earthing of any description complete all as specified and as directed.

Taking out ACB for repair and servicing by disconnecting and dismantling the ACB of 2000 Amps / 1000 Amps Capacity and of make L & T by carrying out repair / servicing, checking and renewing the defective Shunt Trip Coil & UV Trip 230 V AC, checking and rectifying the defective CTs and rectifying the Mechanism Operation including Spring Charge System, reinstalling the same in the panel and providing necessary line and connections complete all as specified and as directed.

Supply only Shunt Release Coil, 240 Volts AC all as per sample complete all as specified and as directed.

Supply only Closing Coil, 240 Volts AC all as per sample complete all as specified and as directed.

Supply only Undervoltage Coil, 240 Volts AC all as per sample complete all as specified and as directed.

Supply only Spring Charging Motor suitable for fixing in ACB of make L & T C Series operated on 240 Volts, AC supply complete all as specified and as directed.

Supply only Microprocessor-Based Protection Release for ACB complete all as specified and as directed.

S & F in repairs Phase Indicator Lamps R, Y, B LED type complete all as specified and as directed.

S & F in repairs Battery Lead 1.50m long consisting of multistranded copper conductor PVC insulated single core cable of 50 Sq.mm size connected with 1 No. Battery Terminal Clamp at one end and Copper Lug at another end complete all as specified and as directed.

S & F in repairs and commissioning Battery Charging Alternator, [Cummins Part No. 3236504] suitable for 500 KVA Capacity DG Set complete all as specified and as directed.

M & L for carrying out repairs in the Rotating Rectifier Kit Diode Sets of 500 KVA Capacity Alternator of Stamford make by taking out the defective parts from DG Set, fixing new Rectifier Kit Set in the Alternator and connecting with circuits, starting and testing the DG set on load complete all as specified and as directed.

M & L for carrying out repairs in the Rotating Rectifier Kit Diode Sets of 250 / 200 / 100 KVA Capacity DG Set by taking out the defective parts from DG Set, fixing new Rectifier Kit Set in the Alternator and connecting with circuits, starting and testing the DG set on load complete all as specified and as directed.

M & L for inspecting the Auto Synchroniser Panel for its proper operation and carrying out the following: [a] Tracing out faults caused by defective components including Relays, Contactors, Connectors, Battery Charger etc. and taking down the old components and replacing with new one. [b] Checking the control wiring for any defects, tightening the connections and securing any open point with insulation tape. [c] Inspecting the Synchronising Controller for alarms caused by faults within the system and addressing the faults. Checking the settings of the synchronising controller for its proper functionality. Note: The components required replacement shall be measured and paid separately under relevant items of this Schedule.

Supply only Emergency Off Push Buttons with Mushroom Head, Push-Turn Function with 1 NO and 1 NC complete all as specified and as directed.

Supply only Push-Button Flush Head type of Red/Green Colour suitable for operation in 24 Volts DC / 220 Volts AC complete all as specified and as directed.

Supply only Miniature Plug-in Relay, 24 Volts DC, 6 A complete all as specified and as directed.

Supply only Sockets 10 A rating for Plug-in type Relays with Mixed Contact Terminal Arrangement and Screw Connector complete all as specified and as directed.

Supply only Auxiliary Contactor 16 Amps, 4 Pole suitable for operation on 24 Volts DC supply complete all as specified and as directed.

Supply and lay HDPE double wall corrugated pipes confirming to IS – 14930 Part II for cable protection of size 50mm OD and 38mm ID including all accessories such as bend, end caps and couplers etc. complete all as specified and as directed.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m deep in Hard / Dense soil for laying Pipes / Cables etc. complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick of excavated soil complete all as specified and as directed. Note: A deduction of 10% shall be made from total computed volume of filling to cater in bulk irrespective of machinery used for ramming.

Removal of excavated material [Soil] to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5 m complete all as specified and as directed.

A. R. ELECTRICALS