COMPREHENSIVE MAINT OF MAIN SUBSTATION (MRSS) AT VAJRAKOSH, DSS16 AT NAD (SITE E) AND DSS 17 17A AND 17B AT AMADALLI INCLUDING HT DISTRIBUTION NETWORK AND REPAIR AND MAINTENANCE OF DG SETS UNDER GE (SB) KARWAR

Amount

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth for laying/taking out cable and getting out in soft/loose soil all as specified and as directed.

Returning, filling in including spreading, leveling, watering and well ramming in layer not exceeding 25 cm in soft/loose soil all as specified and as directed.

Removing excavated soil not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point all as specified and as directed.

Taking down carefully old unserviceable UG cable (HT) of any size from the trenches/wall/pole and keeping aside for reuse and remove the unserviceable cable from site after affording credit depending on its serviceability state including removal of brick/PCC cable cover complete all as specified and as directed.

Supplying & laying in repair including testing of XLPE insulated, armoured, heavy duty, HT UG electric cable in trenches/wall/cable tray/saddling/GI pipe or specified as per site requirement with stranded aluminum conductor 11 KV grade of following sizes:-

(a) 3 core 95 Sqmm

(b) 3 core 120 Sqmm

(c) 3 core 185 Sqmm

(d) 3 core 240 Sqmm Note :- Excavation & earth work, sand cushioning and PCC cover for cable protection shall be measured & paid separately

Supplying & laying in repair including testing of XLPE insulated, armoured, heavy duty, HT UG electric cable in trenches/wall/cable tray/saddling/GI pipe or specified as per site requirement with stranded aluminum conductor 33 KV grade of following sizes:-

(a) 3 core 185 Sqmm

Supply and lay un-reinforced pre-cast concrete cable cover, class HV, type 1, flat, size 300mm x 180mm x 40mm complete all as specified and as directed.

Supply and spread dry river sand in trenches for cable cushioning all as specified in clause 19.75 of SSR Part-I. Note:- Punned thickness of sand only shall be measured & paid.

Supply & Laying in repair GI tubing light grade with necessary fittings as in cable protection in trench Supply and fixated on wall / floor including necessary clamps bolts and nuts complete all as specified and as directed of sizes 80mm dia

Supply, jointing & testing Indoor end termination cable jointing kit, heat shrinkable type 11 KV HT joint kit suitable for XLPE insulated stranded aluminium conductor of size 3 core 95 Sqmm all as specified and as directed.

Supply, jointing & testing Indoor end termination cable jointing kit, heat shrinkable type 11 KV HT joint kit suitable for XLPE insulated stranded aluminium conductor of size 3 core 120 Sqmm to 185 Sqmm all as specified and as directed.

Supply, jointing & testing Indoor end termination cable jointing kit, heat shrinkable type 11 KV HT joint kit suitable for XLPE insulated stranded aluminium conductor of size 3 core 240 sqmm all as specified and as directed.

Supply, jointing & testing straight through type cable jointing kit heat shrinkable 11 KV HT joint kit suitable for 3 core 95 Sqmm XLPE insulated stranded aluminium conductor all as specified and as directed.

Supply, jointing & testing straight through type cable jointing kit heat shrinkable 11 KV HT joint kit suitable for 3 core 120 Sqmm to 185 Sqmm XLPE insulated stranded aluminium conductor all as specified and as directed.

Supply, jointing & testing straight through type cable jointing kit heat shrinkable 11 KV HT joint kit suitable for 3 core 240 Sqmm XLPE insulated stranded aluminium conductor all as specified and as directed.

Supply, jointing & testing Indoor end termination cable jointing kit, heat shrinkable type 33 KV HT joint kit suitable for XLPE insulated stranded aluminium conductor of size 3 core 185 Sqmm all as specified and as directed.

Supply, jointing & testing straight through type cable jointing kit heat shrinkable 33 KV HT joint kit suitable for 3 core 185 Sqmm XLPE insulated stranded aluminium conductor all as specified and as directed.

Taking down / lifting up of disconnected defective 33/11 KV, 3 MVA outdoor type power transformer from MRSS Sub Station at Ins Vajrakosh for repairs and making good, record of the connection complete all as specified and directed by Engineer-in-Charge including comprises of the following :- (a) Draining out transformer oil in suitable capacity containers to be arranged by the contractor (b) Transportation/To and Fro charges for shifting of transformer from site to workshop and vice versa (e) Testing of transformer in the presence of JE at site before shifting and after commissioning. (f) Installing, connecting electrically, testing and commissioning including all necessary lugs, gaskets, etc. (g) All other connected and misc work as not specified else where and directed by Engineer-in-charge Note: (i) All testing shall be carried out of competent agency approved by state/center electricity board (ii) All T & P and other matter required for testing shall be provided by contractor without any extra cost to the department (iii) All test reports duly signed by competent Engineer/testing authority duly accepted by GE shall be submitted by contractor in duplicate. (iv) Any damage to insulators/bushes/windings etc while in the custody of the contractor shall be made good at no extra cost to govt. The serviceability of the transformer shall be checked and confirmed by the contractor before taking into his custody.

Material and labour for Strip opening of transformer, OLTC, disconnecting bushings, radiators and other accessories & testing of transformer at workshop in the presence of JE, opening of LV and HV windings for fault identification all as specified and directed. Note : The specific reasons of transformer failure and defects to be shown and reported to the JE.

M/L for overhauling of OLTC of 33/11 KV transformer of 3 MVA capacity by draining out of transformer oil of OLTC, dismatling of top cover, inspection of moving and fixed contacts of all three phases and checking the operation, cleaning and removal of contacts of all the three phases and checking the operation, cleaning and removing of all carbon particles, cleaning of contacts with emery paper, checking the tightens of leads in the OLTC board, and moving/fixed contacts. Inspection of transition resistance and replacement of gaskets/contacts etc if found damaged, reassembling complete, filling up of oil, testing and commissioning complete all as directed by Engr-in-charge. Note: Spares will be measured and paid separately. Note : Contractor Must submit the BDV values before and after servicing the OLTC.

Supply and fix in replacement of old U/S Danger notice plate of 1.6 mm thick mild steel sheet vitreous enameled white, with letters, figures & conventional skull & bones in signal red colour and fixed with MS clamps, bolts and nuts of approved size, for HT 25x20 cm size all as specified & as directed.

Material and labour for Testing of faulty HT UG cable up to 240 Sqmm by checking the insulation resistance using 10000v or above fault insulation locator tester along with route tracer all as specified and directed and identify any number of cable fault in a single stretch (from source to load) having minimum length of (up to) 1500 RM and pin point the fault location complete all as specified & as directed. Note: In single stretch having minimum length(up to) 1500 RM whatsoever Nos of fault shall be paid as each job

Material and labour for Testing of faulty HT UG cable up to 240 Sqmm by checking the insulation resistance using 10000v or above fault insulation locator tester, alongwith route tracer all as specified and directed and identify any number of cable fault in a single stretch (from source to load) having length more than 1500 RM and pin point the fault location complete all as specified & as directed. Note : In single stretch having length more than 1500 RM whatsoever Nos of fault shall be paid as each job

Material and labour for repair and servicing of HT (HT 33 KV or 11KV) two pole structure by replacing Aluminium PG clamps, GI bolts and nuts, pieces of ACSR conductor with insulation sleeve RYB of any size as jumpers and applying silicon compound for prevention of arcing due to dust/ salt deposits over the surfaces including preparation of surfaces, applying zinc chromate primer on rusted surfaces and applying one coat of aluminum paint to the entire structure complete all as directed. Note:-Rate quoted shall be inclusive of two coats of white wash on exposed concrete .

Material and labour Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint for fixing in two pole structure of 33 KV HT line. Note: The above item is to be fixed on two/ four pole structure of 33 KV HT line.

All as per Item No.26 above but of capacity 2000 KVA , 33 KV/11 KV

All as per Item No.26 above but of capacity 3000 KVA , 33 KV/11 KV

All as per Item No.26 above but of capacity 1000 to 1600 KVA , 11 KV/433V

All as per Item No.26 above but of capacity 750 to 100 KVA , 11 KV/433V

Notes for item Nos 26 to 30 : (i) The scope of work includes following :- (a) Checking of all clamps, nuts, bolts including core bolts & cover fixing bolts and Checking all the brazing, joints, tap heads and connection joints.. (b) Checking the Buchholz relay, conservator MOG, Arresting leakages of radiator assembly by brazing, Arresting wetting at interconnections by replacements of O rings etc complete. (c) Conducting the tests on core and windings as per IS like ratio, magnetic imbalance ,short circuit etc in presence of Eng-in-charge and test results shall be signed both by the contractor and Engineer-in-Charge and kept on the record. (d) Any damage to insulators/bushes/windings etc while in the custody of the contractor shall be made good at no extra cost to govt. The serviceability of the transformer shall be checked and confirmed by the contractor before taking into his custody. (e) The M/L for bushes,studs,Transformer oil drain valves silica gel breathers, cable box, replacement of major spares, repair/servicing of OLTC etc will be measured and paid separately .

Filtration of transformer oil of transformers installed at various locations to achieve di-electric strength not less than 60 KV at 2.5mm gap as per relevant IS with portable filtration plant, testing of the oil for the di-electric strength before filtration and after filtration complete all as directed by the Engineer-in-Charge.

Supply and topping up of transformer oil with di-electric strength not less than 60 KV in to the conservator tank/ body tank of the transformer at various locations of Arga Naval Station complete all as directed by the Engineer-in-Charge.

Material and labour for taking down HT switch gear (Vacuum circuit breaker) of capacity 11 KV 250/350 MVA , up to 1250 Amps after calibration of all protective relays, comprising of following repairs, servicing, carrying out preventive maintenance and refixing the same after repairs/ servicing: -

(a) Tripping off the breaker, lowering the breaker with raising/lowering handle and pulling out the breaker complete from the panel along with the trolley for servicing/inspection/overhauling

(b) Servicing/Inspecting/checking of automatic safety shutter operation for serviceability and replacement of spares if required.

(b) Servicing/Inspecting/checking of circuit spout and circuit spout connections for RYB phases and replacement of spares if required.

(c) Dismantling and checking of cross bar assembly, fixed contacts and current carrying parts of the breaker, trolley, insulated assembly and checking lamination with clamps, epoxy spout, isolator assembly etc.

(d) Setting, reassembling, cleaning, adjustment of fixed contacts, main contact, arcing contacts and chamber baffle pot assembly, moving contact for proper setting of auxiliary contacts operating mechanism.

(e) Servicing/Inspecting/checking of secondary sockets/busbar earthing plugs/earthing sockets and replacement of spares if required.

(f) Checking, setting and adjustment of lowering and raising operation of the breaker trolley.

(g) Lubrication and greasing of all moving parts of the trolley, stopper bolt for proper operating and closing of shutter gear, isolation resistance of trolley of with vacuum interrupter assembly.

(h) The inspection of HT switch gear shall involve:- (i) Inspection of truck & hoist assembly. (ii) Inspection of assembly & components of solenoid assembly. (iii) Inspection of assembly & components of dependent mechanism. (iv) Inspection of assembly & components of spring box mechanism. (v) Inspection of motor mechanism spring charge assembly (vi) Inspection of assembly of trip unit & related components, Make: ABB VCB.

Notes: (i) The rate quoted shall be deemed to include for necessary T&P, nuts, bolts, washers, gasket, insulation tape, compound, to put in to the VCBs and panels in serviceable condition, testing and commissioning all as specified and as directed by the Engineer-in-Charge. (ii) Major spares like Breaker bushings, vacuum interrupter, busbar spout, busbar spout connections, circuit spout/circuit spout connections/buffer fixed contacts, moving contacts, solenoid spares, dependent/spring mechanism/ motor mechanism, trip unit etc will be measured and paid separately under relevant items of Schedule 'A'. However the rate quoted shall be deemed to include for any other minor spares require replacement.

All as per Item No 30 above but of capacity 33 KV 250/350 MVA , up to 2000 Amps

Taking out ACB of Siemens make, of capacity 800A to 3200A Amps, 3pole , 415 volts,125 KA indoor type from its sub cubicle and carrying out routine maintenance as per manufacturer maintenance manual, examine the moving isolating contacts for any discoloration, cluster contacts, remove the arc chutes, check the SMC moulding are intact, examine the moving contacts main contacts silver tips, spring mechanism, clean all contacts with a suitable solvent and contacts regreased with multipurpose grease, all contacts setting checked, readjusted if required, and regreased with multipurpose grease, all tripping device like manual trip, under voltage, shunt trip release, over current and earth fault tripping device to be tested, readjusted and confirm all tripping device is in healthy condition, check and record IR value of ACB, with 1.1. KV LT megger calibrating ground fault / short cut, overload relays for tripping & timing complete and rendering test report all as specified and as directed.

NOTES for item Nos 30 to 32 : (i) The scope of work includes following :- (a) Inspection & cleaning the mechanism house (b) Operation of door interlock, interlocking plate & shutter operation inside of panel. (c) Check the Mechanical ON-OFF function, electrical & mechanical operation and damage part of VCB/ACB. (d) Re-greasing and oiling of breaker mechanism, adjustment of various mechanism setting as required, checking contact tightness, contact erosion pins, manually vacuum check of VCB/ACB. (e) Racking-Rack out operation in Test & service position of VCB/ACB trolley. (f) Megger test (IR value - 1KV / 2.5KV) E-RYB, RY-YB, BR-R'R, Y'Y, B'B. (g) CRM Test (contact resistance) of Vacuum Interrupter R, Y, B in on condition outside of panel. (h) Time test of contract pole by Test kit (in mile second). (j) Function of closing coil, Trip coil, spring charging motor, auxiliary contact, limit switches etc. (k) Checking & lubrication of various interlocks. (l) Submission of test report in standard format of vacuum circuit breaker.

Supply only the following spares suitable for 250 MVA to 450 MVA HT switch gear VCBs and 33 KV HT panel repair work under relevant Schedule-

(a) Torsion spring suitable for 33 KV VCB

(b) Motor cut off switch suitable suitable for 33KV VCB

(c) LED Indication Lamps

(d) Shunt trip coil 110 V DC/220 V DC

(e) Shunt trip coil 110 V DC/220 V DC with assembly

(f) Breaker control switch

(g) Circuit spout

(h) Control circuit fuses 2 A to 63 A

(i) VCB buffers

(j) 110 Volt DC closing coil assembly

(k) Push to trip knob red assembly

(l) Push to trip knob green assembly

(m) Vacuum interrupter

Supply only the following spares suitable for 250 MVA to 450 MVA HT switch gear VCBs and 11 KV HT panel repair work under relevant Schedule-

(a) Torsion spring suitable for 11 KV VCB

(b) Motor cut off switch suitable suitable for 11 KV VCB

(c) LED Indication Lamps

(d) Shunt trip coil 110 V DC/220 V DC

(e) Shunt trip coil 110 V DC/220 V DC with assembly

(f) Breaker control switch

(g) Circuit spout

(h) Control circuit fuses 2 A to 63 A

(i) VCB buffers

(j) 110 Volt DC closing coil assembly

(k) Push to trip knob red assembly

(l) Push to trip knob green assembly

(m) Vacuum interrupter

Supply & Fixing in replacement of space heater with thermostat connected with control wiring complete all as specified and directed by Engr-in-Charge

Supply & Fixing in replacement bakelite kitkat complete with HRC fuse 2-20 amps of suitable size for HT panel grey in colour including necessary nuts for fixing in position all as specified and directed

Supply & fix in replacement digital four pole non directional IDMTL 3 over current + 1 Earth fault with instantaneous element relay with high set , Aux. supply 20-110 volt DC suitable for 33 KV HT VCB panel of capacity up to 1200 Amps along with carrying out the required DC wiring of the relay module with the existing current transformer, PT along with making the necessary adjustment in tripping current of the relay with all connection and testing on full load all as specified and directed by Engr-In-Charge. Make : 7SR10 argus model of Seiemns or REJ model of ABB or Model MC 61 of Make L&T

All as per Item No. 37 above but for 11 KV VCB

Material and labour for replacement of 110V DC mounting relay with self-reset contacts and flag indication 4 No + 0NC transformer protection relay for Buchholz, WTI Alarm And WTI Trip suitable for 33KV VCB along with carrying out the required D C wiring of the relay module with the existing current transformer etc along with making the necessary adjustment in tripping current of the relay all as specified nad directed by Engr-In-Charge. Note : The rate quoted must also include checking the control wiring of all relays/ fuses and Mcbs in VCB Panel. Make : ABB Model : CV2D2J 1MYN563627-DBB

Material and labour for replacement of old unservicable monoblock suitable for 11KV HT VCB panel of capacity up to 1200 Amps as per existing size along with testing the VCB with injection of DC supply complete all as specified nad directed.

All as per item No.40 but of 33kv

S& Fixing in replacement & testing and commissioning of resin current transformer dual core dual ratio, double core ( Protection core-5P10 & Metering core- Class 0.5), 26.2 KA for 3 sec of 15 VA Burden suitable for 33 KV, with CT ratio of 100-50/1-1 A , wiring with primary and secondary injection kit including identification to the base and connecting links to HT/VCB to match with the existing system complete all as directed.

Supply and fix in repair and testing of cast resin potential transformer with dual ratio 33KV/√3/110V/√3/110/√3,Class 0.5-3, Burden 100 VA – 100 VA, 50hz including cleaning the fuses and PT trolley complete all as directed and specified.

All as per Item No. 42 but of 11KV

All as per Item No. 43 but of 11KV

Supply and fix in repair of fuse indoor type, 33 KV, type PTAVT, Amps 3.15, 50hz, current ratio 800-400, including removing of old unservicable fuse complete all as directed and specified.

Supply and fix in repair of 11 KV bus bar supporting spout / insulators 130 MM LONG 60 MM DIA /as per sample single pole for indoor use 400 to 800 Amp suitable for existing panel complete all as directed and specified.

Supply and fix in repair of 33 KV bus bar supporting spout / insulators as per sample single pole for indoor use 400 to 800 Amp suitable for existing panel complete all as directed and specified.

Material and labour for Strip Opening the busbar of the HT 11 or 33 KV VCB panel from 800 Amps to 2000 Amps, removing the old teared/ unservicable insulation from the bus bar, checking the IR value before fixing the HT sleeve and refixing the heat shrinkable insulating tape sleeve suitable for 11 kv busbar not less than 3mm thick having dielectric strength not less than 15kv/mm and HT insulation tape for CT/ PT connection complete with a certificate from NABL lab. and checking the IR value before testing and commissioning the bus bar all as specified . Note :- Test sheet of IR value shall be submitted by the contractor, no cost extra shall be paid by the department and all testing requirement shall be borne by the contractor including transportation and T&P.

Material and labour for replacement of old unservicable digital voltmeter, DC, with phase range 200mv to 600V with built in resistance of size 96x96mm, accuracy class 0.5 complete all as specified and directed by Engr-In-charge.

Material and labour for replacement of old unservicable digital ammeter, digital type, of size 96x96mm, accuracy class 0.5 complete all as specified and directed by Engr-In-charge.

Supplying and laying in repairs synthetic Rubber insulated mats 2.5 mm thick for voltage up to 33 kV for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m. complete all as specified and as directed.

Material and labour for earthing complete in repairs with galvanized steel earth plate electrode 600x600x6mm thick buried in ground vertical to a depth not less than 2.25 Mtrs deep below ground level with top edge of plate not less than 1.5 mtr below normal ground level connected to galvanized GI strip of size 32 X 6 mm and 40 mm dia bore 7.5 mtr long light grade GI protection pipe for earth strip and GI watering pipe 40 mm dia medium grade from the top edge of earth plate fixed with deep cut on one end of pipe and fix from earth plate up to one feet above ground level of other end and plugged watering pipe at top with MS cap and grouted in PCC 1:2:4 of size 30 X 30 X 30 CM etc and 15 CM alternate layer of charcoal and salt around all sides of earth plate all as shown in electric plate no 3 of SSR part I of 2009. Note :- All joints either strip to strip of strip to earth plate are fixed with welded joints.

Supplying and fixing in repairs 32mm X 6mm ,GI earth strip all as specified and directed

Material and labour for testing of resistance of earth pits of transformer, panels etc after testing the report shall be furnished in standard format approved by Engineer-in Charge.

Supply, testing and fix in repair HT 33 KV out door type gang operated air-break switch suitable for horizontal or vertical mounting fixed type complete with 9 insulators and with earth switch up to 400 Amps along with isolator rod, handle all as specified by Engineer In Charge.

Material and labour for servicing of load break switch suitable for 11KV HT by dismantling the existing cable connections with the LBS and repairing the on/off operating lever along with spring mechanism for charging/discharging of the breaker, cleaning of all the HT contacts with the anti corrosive liquid spay, repairing the alignment of the contacts all as specified and directed, scrapping of the old paint and painting the LBS with one coat of primer and two coats of super enameled aluminium paint complete and writing the LBS no and location of the outgoing cable in English alphabetic letters all as specified and directed by Engr-In-Charge. Note: a) All the minor parts required for the repair of the LBS are included in the above rate b) The size and no of alphabets to be written on the LBS will be decided by the GE.

Material and labour for replacement of Silica gel breather assembly complete and silica gel including connecting with proper necessary gaskets if necessary, including removing the unserviceable breather assembly.

(a) 2000 kVA to 3000 kVA

(b) 1000 kVA to 1600 kVA

(c) 100 kVA to 750 kVA

Supply and filling Blue Silica gel to the transformer breather of transformer including removing the unserviceable silica gel

Material and labour for replacement gun metal drain valves of transformers of following capacities including dismantling old one:-

(a) 2000 kVA to 3000 kVA

(b) 1000 kVA to 1600 kVA

(c) 100 kVA to 750 kVA

Supply only LT Bushings made out Porcelain and suitable length/size all as per existing, complete the following capacity distribution transformers of any make/size/type all as directed including dismantling old one.

(a) 2000 kVA to 3000 kVA

(b) 1000 kVA to 1600 kVA

(c) 100 kVA to 750 kVA

Supply only HT Bushings made out Porcelain and suitable length/size all as per existing, complete the following capacity distribution transformers of any make/size/type all as directed including dismantling old one.

(a) 2000 kVA to 3000 kVA

(b) 1000 kVA to 1600 kVA

(c) 100 kVA to 750 kVA

Material and labour for preparation of old painted surfaces of transformers with coarse cloth/ brush and painting throughout externally on exposed surfaces with two coats of smoke grey colour synthetic enamel paint including writing of transformer details on plinth in white enamel paint on black enamel paint back ground complete including one coat of white wash for base foundation all as specified and directed by Engineer-in-charge for the following capacity in-door/ out-door type transformer:-

(a) 2000 kVA to 3000 kVA

(b) 1000 kVA to 1600 kVA

(c) 100 kVA to 750 kVA

Material and labour for replacement of old unservicable capacitor of capacity 50 Kvar for power factor correction panel including dismantling the old unservicable capacitor and refixing the new capacitor and carrying out the complete wiring of the capacitor with the existing APFC panel all as specified nad directed. Note: The capacitor is to be of the shape , make and size as per existing capacitor.

Material and labour in repair 1250VA, 12V, Sine Wave inverter with 12V, 250Ah battery in DSS17, 17A B to provide backup supply to the space heaters all as specified and directed by engineer In charge

Supply and fix in repair power pack with battery backup to provide auxiliary supply to protection relays with input of 230 V and output of 110V DC to operate relays, close/trip coils all as specified including connecting in the VCB Panel and testing.

Supply and fix in repair gasket of 25 to 32mm width and 4mm thickness for good sealing of transformer, panels to prevent moisture ingress through seams and joints all as specified by using necessary tools/adhesive. Note : Poorly installed/ damaged gaskets will not be measured.

Material and labour in repair mild steel powder coated 33KV ABB make VCB door lock with handle all as specified

Supply and fix in repair 33KV FRP telescopic Discharge Rod (Earth Rod) with rubber grip, having 10sqmm, 10mtrs copper cable and die cast aluminium earthing instrument 50mm dia conductor for earhing all as specified and directed.

Material and labour in repairs, testing Multifunction meter, Digital type (Displaying A, V, PF, Hz, KVA, KW, KVAR, KWh, KVARh etc.) Class 0.5 with RS485 port for communication in Modbus protocol.

Material and labour for rewinding of distribution (HV/LV) transformers of capacity (3 MVA 33/11 KV type by winding the defective coils with new copper wire as per I.S. of same gauge and existing size together with new insulated materials/ bracings before placing in to the transformer and assembling the coil with new insulation and fitting the coils in the chamber, testing and commissioning the transformer and recording the test results complete all as directed. [Note: Material and labour for re-insulation of serviceable coils will be measured & paid separately under relevant items.]

Material and labour for removing the old defective insulation paper for 3MVA, 33/11 KV transformer and replacing with new DPC insulation to the copper conductor, re-varnishing of the windings with super varnish including heating/ drying/ backing complete carefully and thoroughly inside the heating chamber at suitable temperature to obtain required value of insulation resistance etc. all as per IS 1986-87 and as directed by Engr-in- charge. Note : re-insulating windings of HV/ LV by strip opening of HT/ LT coils (i.e. Primary/ secondary coils) from core assembly safely, unwinding the HT/ LT coils (i.e. Primary/ secondary coils) complete,

Material and labour for Checking, Inspection, maintenance and servicing complete including replacement of unserviceable spare parts of the DG set of capacity 1010 kVA (HT TYPE, OUTPUT VOLTAGE 11 kV)(comprising of Engine/ Alternator/ Control panel) for smooth functioning complete all as per manufacturers instructions and all as directed by Eng - In - Charge including calibration of the fuel injection system, servicing of the MPU, servicing of fuel injectors, cleaning of oil sump of engine, replacement of engine oil, replacement of air filters, oil filters , fuel filters, calibration of the PCB display of the Engine, rectifying defects in wiring, solenoids etc. A. (a) Checking of lubricating oil condition (b) Checking engine for oil, water leakage and correcting the same (c) Checking of all the nut bolts of engine and alternator (d) Checking of all belts and adjust the tension properly (e) Cleaning of air filters (f) Checking and readjusting the valve clearance (g) Change of Oil/Fuel filters and engine oil if necessary (h) Checking of starter motor, battery and charger (i) Checking of cooling system and fuel system (j) checking of all power cables and AVR connections and mounting bolt tightness of alternator (k) checking the function of AVR general checks (l) Checking of control panel meters and gadgets function (m) Checking of all control and safety wirings B. (a) Checking of flexible coupling of engine and alternator (b) Cleaning of crank case ventilation pipe (c) Checking of injectors and fuel pump (d) Checking of alternator and carbon brushes. NOTE :- (1) Cost of Spare parts such as Engine oil, Fuel filter, Oil filters, Air filters required will be paid and measured separately (2) Servicing/routine check up should be carried out through authorised service centre or manufacturer and the records of the testing to be submitted to Engr-In-Charge. (3) Make of spare as recommended by GE.

All as per item above 74 but of LT TYPE DG set of capacity 630 kVA output voltage 440 Volts

All as per item above 74 but of LT TYPE DG set of capacity 100 kVA output voltage 440 Volts

All as per item above 74 but of LT TYPE DG set of capacity 750 kVA output voltage 440 Volts

Supply only of best quality of engine oil 15 W 40 type

Supply only of best quality of engine oil 20W40 type

Supply only of Oil filter element for DG set of cap 1010 kVA as per existing Make: Cummins complete all as specified and directed by Engr-in-Charge.

All as per item above 80 but DG set of capacity 630 kVA

All as per item above 80 but DG set of capacity 100 kVA

All as per item above 80 but DG set of capacity 750 kVA

Supply only of Air cleaner element (inner and outer) suitable for 1010 kVA DG Set of make Cummins complete all as specified and directed by Engr-in-Charge.

All as per item above 84 but DG set of capacity 630 kVA

All as per item above 84 but DG set of capacity 100 kVA

All as per item above 84 but DG set of capacity 750 kVA

Supply only of Fuel filter elements and bypass filter (primary & secondary) for 1010 kVA DG Set of Make Cummins complete all as specified and directed by Engr-in-Charge.

All as per item above 88 but DG set of capacity 630 kVA

All as per item above 88 but DG set of capacity 100 kVA

All as per item above 88 but DG set of capacity 750 kVA

Material and labour for Replacement of 'V' belt for water pump suitable for 1010 kVA DG Set complete all as specified and directed by Engr-in-Charge.

All as per item above 92 but DG set of capacity 630 kVA

All as per item above 92 but DG set of capacity 100 kVA

All as per item above 92 but DG set of capacity 750 kVA

Material and labour for Replacement of fuel pipe with banjo bolt at both side suitable for 100 kVA DG set complete all as specified and directed by Engr-in-Charge.

Material and labour for Disconnecting all the electrical connections from the dynamo assembly and taking down the dynamo assembly for carrying out the repairs and complete servicing of the system including replacing the unserviceable parts like carbon brushes, bearings, burnt out coil etc. reassembling and refixing the dynamo assembly to its original position and reconnect all the disconnected electrical connections complete including testing all as specified and directed by Engineer-in-Charge for DG Set of Capacity 630kVA.(Make of DG set: Cummins).

All as per item no 97 above but for DG set of capacity 11 kV 1010 kVA)

All as per item no 97 above but for DG set of capacity 100 kVA

All as per item no 97 above but for DG set of capacity 750 kVA

Supply and fix in replacement of automatic voltage regulator(AVR) 24 volt all as specified and directed Make: Cummins/Kirloskar/Sudhir

Material and labour for servicing and minor repairs of water pump assembly and Coolant system for 630VA capacity DG sets Make : Cummins complete all as specified and directed by Engr-in-Charge.

All as per item no 102 above but for DG set of capacity 11 kV 1010 kVA)

All as per item no 102 above but for DG set of capacity 100 kVA

All as per item no 102 above but for DG set of capacity 750 kVA

Material and labour for servicing and minor repairs of Turbo charging assembly of the DG set of capacity 630 kVA Make Cummins complete all as specified and directed by Engr-in-Charge.

All as per item no 106 above but for DG set of capacity 11 kV 1010 kVA)

All as per item no 106 above but for DG set of capacity 100 kVA

All as per item no 106 above but for DG set of capacity 750 kVA

Material and labour for replacement of Fan Hub assembly for 630 KVA capacity DG set Make Cummins complete all as specified and directed by Engr-in-Charge.

Material and labour for servicing and minor repairs of Lub oil pump/ Lubrication system suitable for 630 kVA DG Set, Make :Cummins complete all as specified and directed by Engr-in-Charge.

All as per item no 111 above but for DG set of capacity 11 kV 1010 kVA

All as per item no 111 above but for DG set of capacity 100 kVA

All as per item no 111 above but for DG set of capacity 750 kVA

Supply and Replacement of Oil seal front and rear suitable side for 630 kVA DG Set complete all as specified and directed by Engr-in-Charge.

Supply and Replacement of fuel and water separator suitable for 1010 kVA to 630 kVA DG Set complete all as specified and directed by Engr-in-Charge.

Supply and fix in Replacement Battery 12 Volt 180 AH (Maint free heavy duty with initial charging).

Material and labour for servicing of PCB control panel of the DG sets of capacity 1010 kVA kva by rectifying any minor defects in control wiring of the PCB panel alonwith complete checking of control wiring, setting the parameters for tripping as per directions of GE, Calibration of the PCB display complete including replacement of the minor parts, if necessary.

Supply and fixing in replacement of old unservicable Solenoid coil assembly complete suitable for DG set of capacity 1010 /750/ 630/ 100 kVA

Supply and fixing in replacement of old unservicable card control of microprocessor (PCC3300 V2) based gen PCB control board for monitoring, metering, and controlling DG set suitable for Cummins 750 KVA DG Set of power command Model generator control PCB Panel. The rate quoted must include all necessary spares for connection and testing of microprocessor card.

All as per item above 121 but DG set of capacity 630 kVA

All as per item above 121 but DG set of capacity 100 kVA

All as per item above 121 but DG set of capacity 750 kVA

Supply and Fixing in replacement of battery terminal for DG Sets complete all as specified and directed by Engr-in-Charge.

Supply and fixing in replacement battery cable assembly with copper conductor multistranded RED and BLACK colour 2mtr long 21sqmm for connection to self starter unit to Battery unit complete.

Supply & topping up of best quality Inhabitor Corrosion (Coolant ) liquid for DG set all as specified and directed. Make-Castrol/veedol/valoline

Material and labour for servicing of Self starter assembly of 11kV 1010 kVA (Make of DG : Cummins) by dismantling the same from the engine and inspecting the self starter assembly and gear system for the alignment and coordination between rotor of the self starter assembly and gear of the engine flywheel after refixing the assembly complete all as specified and directed, rectifying the defects noticed all as specified.

All as per item no 128 above but for DG set of capacity 630 kVA

All as per item no 128 above but for DG set of capacity 100 kVA

All as per item no 128 above but for DG set of capacity 750 kVA

Material and labour for Disconnecting and dismantling of the fuel injection pump/ Fuel supply system of 11 kV 1010 kVA DG set of make Cummins, isolating the fuel lines, opening and checking for defects in the fuel pump and rectifying them, examining the fuel lines for the delivery of fuel, including servicing, calibration and testing of the pump complete all as specified and directed by Engr-in-Charge

All as per the item no 132 above but for LT DG set of cap 630 kVA

All as per the item no 132 above but for LT DG set of cap 100 kVA

All as per the item no 132 above but for LT DG set of cap 750 kVA

Material and labour for cleaning of fuel tank, draining the fuel tank, storing the fuel in a barrel temporarely,cleaning properly the surface of the fuel tank, removing dirt/ water vapor formed, any rust formations, removing peeled off old paint if any, properly drying off the tank of 1010 kVA capacity DG set

All as per the item no 136 above but for LT DG set of cap 630 kVA

All as per the item no 136 above but for LT DG set of cap 100 kVA

All as per the item no 136 above but for LT DG set of cap 750 kVA

Material and labour for painting of surface, after cleaning the surface of the DG surface, removing peeled off old paint or rust, dirt and cleaning the surface properly, and painting with the manufacturer recommended paint of DG set of capacity 1010 kVA

Material and labour for painting of surface, after cleaning the surface of the DG surface, removing peeled off old paint or rust, dirt and cleaning the surface properly, and painting with the manufacturer recommended paint of DG set of capacity 630 kVA/ 750 KVA

Material and labour for painting of surface, after cleaning the surface of the DG surface, removing peeled off old paint or rust, dirt and cleaning the surface properly, and painting with the manufacturer recommended paint of DG set of capacity 100 kVA

Material & labour for cleaning of both outer and inner surfaces, removing dirt/dust, peeling of old paint and rust of overhead fuel tank of capacity 10000 Ltrs including steps, located at DSS16 and painting of the same by applying two coats of synthetic aluminum paint all as specified and directed by Engr-in-charge.

Supply, fix and jointing in repair 25mm dia, heavy duty (class C) MS pipe with all fittings including fixed to wall / ceiling with suitable size GI clamps along with bronze NRV complete all as specified and as directed by Engineer-in-Charge.

Supply and fix ISI Marked Heavy duty brass Ball Value of 25mm dia complete all as specified and as directed by Engineer-in-Charge.

Supply and fix ISI Marked Heavy duty brass Non return value of 25mm dia

Supply and Fix in repair electric Fuel transfer pump, 220/230v, 550W with outlet dia of 25mm along with connecting to the pipe all as directed by Engineer In charge

Supply and Fix in repair aluminium hand operated, manual rotatory oil barrel pump (diesel fuel transfer pump) 25mm along with bent rod, straight rod,adjustable thread adapter, handle and all other accessories all as directed by engineer In charge.

Material and labour for servicing of HT synchronizing panel of the DG sets of capacity 1010 kVA by rectifying any minor defects in control wiring of the panel alonwith complete checking of control wiring, setting the parameters for tripping as per directions of GE, Complete including replacement of the minor parts, if necessary.

Supplying and laying in repairs synthetic Rubber insulated mats 2.5 mm thick for voltage up to 11 kV for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m. complete all as specified and as directed.

DURGAI ELECTRICALS (BID ID -3469006)

M/S SANTOSH CONSTRUCTION CO (BID ID -3473022)

M/S Kumar Contractors (BID ID -3470484)

OM SAI POWER SYSTEMS (BID ID -3471549)