Military Engineer Services-MES has published Tender For Repair And Maintenance Of Ht Distribution Network And Allied Works At Arga Site E Nchc Amdalli Township Main Receiving Distribution Substation At Vajrakosh (Site E) And Dss 16 At Nad Vajrakosh Under Ge(Sb) Karwar. Submission Date for this Tender is 20-02-2024. Substation Tenders in vasco Goa. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth for laying/taking out cable and getting outin soft/loose soil all as specified and as directed. |
| 2 | Returning,filling in including spreading,levelling, watering and well rammingin layer not exceeding 25 cm in soft/loose soil all as specified and as directed. |
| 3 | 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. |
| 4 | 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. Note : Excavation and earthwork shall be measured and paid for Separately |
| 5 | Supplying & laying in repair includingtesting ofXLPE insulated, armoured, heavy duty, HT UG electric cable in ternches/wall/cable tray/saddling/GI pipe or specified as per site requirement with stranded aluminum conductor 11 KV grade of following sizes:- |
| 6 | (a) 3 core 95 Sqmm |
| 7 | (b) 3 core 120 Sqmm |
| 8 | (c) 3 core 185 Sqmm |
| 9 | (d) 3 core 240 Sqmm Note :- Excavation & earth work, sand cushioning and PCC cover for cable protection shall be measured & paid seperately |
| 10 | Supplying & laying in repair includingtesting ofXLPE insulated, armoured, heavy duty, HT UG electric cable in ternches/wall/cable tray/saddling/GI pipe or specified as per site requirement with stranded aluminum conductor 33 KV grade of following sizes:- |
| 11 | (a) 3 core 185 Sqmm |
| 12 | Labour for Re-Laying only in repair including testing of serviceable, HT UG cable of following sizes obtained from item No 4 here in before all as specified and as directed. Notes : 1. Serviceable cable obtained from Sl item No 5 above shall be reused. 2. Excavation and earth work, sand cushioning, PCC coverfor cable protection shall be measured and paid separately. |
| 13 | (a) 3 core 95 Sqmm |
| 14 | (b) 3 core 120 Sqmm |
| 15 | (c) 3 core 185 Sqmm |
| 16 | (d) 3 core 240 Sqmm Note :- Excavation & earth work, sand cushioning and PCC cover for cable protection shall be measured & paid seperately |
| 17 | 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. |
| 18 | Laying only 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. Note: The pre-cast cable covers for laying will be obtained after taking down the cable as in item no 4 and reusing the serviceable cable cover. |
| 19 | 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. |
| 20 | Supply & Laying in repairGI tubing light grade with necessary fittings as in cable protection in trenches/fixed on wall / floor including necessary clamps bolts and nuts complete all as specified and as directed ofsizes 80mm dia |
| 21 | Supply, jointing & testing Indoorend termination cable joininting 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. |
| 22 | Supply, jointing & testing Indoorend termination cable joininting kit,heat shrinkable type 11 KV HT joint kit suitable forXLPE insulated stranded aluminium conductor of size 3 core 120 Sqmm to 185 Sqmm all as specified and as directed. |
| 23 | Supply, jointing & testing Indoor end termination cable joininting kit, heat shrinkable type 11 KV HT joint kit suitable forXLPE insulated stranded aluminium conductor of size 3 core 240 sqmm all as specified and as directed. |
| 24 | Supply, jointing & testing straight through type cable joininting kit heat shrinkable 11 KV HT joint kit suitable for 3 core 95 SqmmXLPE insulated stranded aluminium conductor all as specified and as directed. |
| 25 | Supply, jointing & testing straight through type cable joininting kit heat shrinkable 11 KV HT joint kit suitable for 3 core 120 Sqmm to 185 SqmmXLPE insulated stranded aluminium conductor all as specified and as directed. |
| 26 | Supply, jointing & testing straight through type cable joininting kit heat shrinkable 11 KV HT joint kit suitable for 3 core 240 Sqmm to 400 SqmmXLPE insulated stranded aluminium conductor all as specified and as directed. |
| 27 | S&F in replacement of old U/S Danger notice plate of 1.6 mm thick mild steel sheet vitreous enamelled white, with letters, figures & conventional skull & bones in signal red colourand fixed with MS clamps, bolts and nuts of approved size,forHT 25x20 cm size all as specified & as directed. |
| 28 | M&L for Testing of faulty HT UG cable upto 240 Sqmm by checking the insulation resistance using 5000v / 10000v fault insulation locator tester alongwithroute tracer all as specified and directed andidentify any number of cable fault in a single stretch (from source to load) having minimum length of 1500 RM and pin point the fault location complete all as specified & as directed. Note: Insingle stretch having minimum length 1500 RM whatsoever Nos of fault shall be paid as each job |
| 29 | M&L for Testing of faulty HT UG cable upto 240 Sqmm by checking the insulation resistance using 5000v / 10000v fault insulation locator tester,alongwithroute tracer all as specified and directed andidentify 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 : Insingle stretch havinglength more than 1500 RM whatsoever Nos of fault shall be paid as each job |
| 30 | M&L for repair and servicing of HT (HT 33 KV) two pole structure by replacing AluminiumPG clamps, GI bolts and nuts, pieces of ACSR conductor with insulation sleeveRYB of any size as jumpers and applying silicon compoundfor 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 . |
| 31 | M&L 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. |
| 32 | Taking down HT switch gear (Vacuum circuit breaker ) of capacity33 KV 250/350 MVA , up to 2000 Amps comprising of following repairs, servicing,carrying out preventive maintanance and refixing the same after repairs/ servicing: - |
| 33 | (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 |
| 34 | (b) Servicing/Inspecting/checking of automatic safety shutter operation for serviceability and replacement of spares if required. |
| 35 | (b) Servicing/Inspecting/checking ofcircuit spoutand cicuit spout connections for RYB phases and replacement of spares if required. |
| 36 | (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. |
| 37 | (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. |
| 38 | (e)Servicing/Inspecting/checking ofsecondary sockets/busbar earthing plugs/earthing sockets and replacement of spares if required. |
| 39 | (f)Checking, setting and adjustment of lowering and raising operation of the breaker trolley. |
| 40 | (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. |
| 41 | (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 Indoor type |
| 42 | 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, vaccum interruptur, busbar spout, busbar spout connections, circuit spout/circuit spout connections/buffer fixed contacts, moving contacts,solenoid spares, dependent/spring mechainsm/ 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. |
| 43 | Taking down HT switch gear (Vacuum circuit breaker ) of capacity11 KV 250/350 MVA , up to 1250 Amps comprising of following repairs, servicing,carrying out preventive maintanance and refixing the same after repairs/ servicing: - |
| 44 | (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 |
| 45 | (b) Servicing/Inspecting/checking of automatic safety shutter operation for serviceability and replacement of spares if required. |
| 46 | (b) Servicing/Inspecting/checking ofcircuit spoutand cicuit spout connections for RYB phases and replacement of spares if required. |
| 47 | (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. |
| 48 | (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. |
| 49 | (e)Servicing/Inspecting/checking ofsecondary sockets/busbar earthing plugs/earthing sockets and replacement of spares if required. |
| 50 | (f)Checking, setting and adjustment of lowering and raising operation of the breaker trolley. |
| 51 | (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. |
| 52 | (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 Indoor type |
| 53 | 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, vaccum interruptur, busbar spout, busbar spout connections, circuit spout/circuit spout connections/buffer fixed contacts, moving contacts,solenoid spares, dependent/spring mechainsm/ 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. |
| 54 | Taking out ACB of Siemens make, of capacity 800A to 3200A Amps, 3pole , 415volts,125 KA indoor type from its sub cubicle and carrying out routinemaintenance as per manufacturer maintenance manual, examine the movingisolating contacts for any discolouration, cluster contacts, remove the arc chutes, check the SMC moulding are intacts, 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, overcurrent 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 ckt, overload relays for tripping & timing complete and rendering test report all as specified and as directed. |
| 55 | NOTES for item Nos 1 ,2 & 3 : (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 damagepart 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 vaccum 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. |
| 56 | 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- Make- ABB VCB |
| 57 | (a) Torsion spring suitable for 11KV VCB |
| 58 | (b) Motor cut off switch suitable suitabe for 11KV VCB |
| 59 | (c) LED Indication Lamps |
| 60 | (d) Shunt trip coil 110 V DC/220 V DC |
| 61 | (e) Shunt trip coil 110 V DC/220 V DC with assembly |
| 62 | (f) Breaker control switch |
| 63 | (g) Circuit spout |
| 64 | (h) Control circuit fuses 2 A to 63 A |
| 65 | (i) VCB buffers |
| 66 | (j) 110 Volt DC clossing coilassembly |
| 67 | (k) Push to trip knob red assembly |
| 68 | (l) Push to trip knob green assembly |
| 69 | (m) Vacuum interrupter |
| 70 | Supply & Fixingin replacement of space heater with thermostat connected with control wiring complete all as specified and directed by Engr-in-Charge |
| 71 | S & Fixingin replacement bakelitekitkatcompletewith HRC fuse2-20 ampsof suitable size for HT panelgrey in colour including necessary nuts for fixing in positionall as specified and directed |
| 72 | M&L for replacement of Earth fault and overload relay suitable for 11KV HT VCB panel of capacity upto 1200 Amps alongwith carrying out the requiredD C wiring of therealy module with the existing current transformer alongwith making the necessary adjustment in tripping current of the relay all as specified nad directed by Engr-In-Charge. |
| 73 | M&L for replacement of Earth fault and overload relay suitable for 33KV HT VCB panel of capacity upto 1200 Amps alongwith carrying out the requiredD C wiring of therealy module with the existing current transformer alongwith making the necessary adjustment in tripping current of the relay all as specified nad directed by Engr-In-Charge. |
| 74 | M&L for replacement of old unsv monoblock suitable for 11KV HT VCB panel of capacity upto 1200 Amps as per existingsize alongwith testing the VCB with injection of DC supply complete all as specified nad directed. |
| 75 | M&L for replacement of old unsv monoblock suitable for 33KV HT VCB panel of capacity upto 1200 Amps as per existingsize alongwith testing the VCB with injection of DC supply complete all as specified nad directed. |
| 76 | S& Fixingin replacement & testing and commissioning of resin current transformer dual core dual ratiofor protection and class I accuracy suitable for 33 KV, 100/50/5+5A of primary wound type with adjustable VA bourden and accuracy in clearing the CT wiring with primary and secondary injection kit including identification to the base and connecting links to HT/VCB to match with the existing systemcomplete all as directed. |
| 77 | S/F in repair of potential transformerindoor type, primary voltage 33KV, secondary voltage11 KVsingle phase, 50hz, current ratio 800-400, including removing of old unsv PT complete all as directed and specified. |
| 78 | S& Fixingin replacement & testing and commissioning of resin current transformer dual core dual ratiofor protection and class I accuracy suitable for 11 KV, 100/50/5+5A of primary wound type with adjustable VA bourden and accuracy in clearing the CT wiring with primary and secondary injection kit including identification to the base and connecting links to HT/VCB to match with the existing systemcomplete all as directed |
| 79 | S/F in repair of potential transformerindoor type, primary voltage 11KV, secondary voltage0.433 KVsingle phase, 50hz, current ratio 800-400, including removing of old unsv PT complete all as directed and specified. |
| 80 | S/F in repair of fuse indoor type,33 KV,type PTAVT, Amps 3.15, 50hz, current ratio 800-400, including removing of old unsv fuse complete all as directed and specified. Make ; Anand |
| 81 | S/F in repair of 11 KV bus bar supporting spout / insulators 130 MM LONG 60 MM DIA /as per sample single pole for indoor use400 to 800 Amp suitable for existing panel complete all as directed and specified. |
| 82 | S/F in repair of 33 KV bus bar supporting spout / insulators as per sample single pole for indoor use400 to 800 Amp suitable for existing panel complete all as directed and specified. |
| 83 | M&L for Strip Opening the busbar of the HT 11 KV VCB panelfrom 800 Amps to 2000 Amps, removing the old teared/ unsv insulation from the bus bar,checking the IR value before fixing the HT sleeve and refixing the heat shrinkable insulating tape sleevesuitable for 11 kv busbar not less than 3mm thick having dielectric strength not less than 15kv/mmand HT insulation tapefor CT/ PT connection complete with a certificate from NABL lab. and checking the IR valuebefore testing and commissioning the bus bar all as specified . Note :- Test sheet of IR value shall be submitted by the contractor, no cost extrashall be paidby the department and all testing requirement shall be borne by the contractor including transportation and T&P. |
| 84 | M&L for replacement of old unsv 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. |
| 85 | M&L for replacement of old unsv digital ammeter, digital type, of size 96x96mm, accuracy class 0.5 complete all as specified and directed by Engr-In-charge. |
| 86 | M&L for servicing of oil cooled Transformer of capacity 2000 KVA, 33 KV/433V by disconnecting incoming & outgoing power supply, cleaning the external surface of the transformer, checking the condition of the silica gel, breather assembly, buchholz relay,control wiring, rectifying the leakage of oil through the gasket or through the radiator fins by draining out oil after arranging necessary drums and making necessary disconnections of bushings and other accessories,and replacement of gaskets and oil seals, replacement of cover gasket accessories, refilling of drained transformer oil from the drums and making all the necessary connections and energising the transformer, inspecting all the metering equipments, tightening all electrical connections checking & recording insulation resistance on both LT & HT sides,checking & recording earth resistance complete all as specified & as directed. Note:- a) The above quoted rate includes dismantling of the existing HT cable connected with the transformer and carrying out the meggering test on both HT/LT side and reconnecting the existing HT cable with the transformer. b) The above quoted rate includes all the T&P required for testing and servicing work all as specifed and direcetd. c) The above quoted rate includes all the minor parts required for the servicing i.e. Nuts and bolts, washers, cotton waste, grease etc. |
| 87 | M&L for servicing of oil cooled Transformer of capacity 3000 KVA, 33 KV/11 KVby disconnecting incoming & outgoing power supply, cleaning the external surface of the transformer, checking the condition of the silica gel, breather assembly, buchholz relay,control wiring, rectifying the leakage of oil through the gasket or through the radiator fins by draining out oil after arranging necessary drums and making necessary disconnections of bushings and other accessories,and replacement of gaskets and oil seals, replacement of cover gasket accessories, refilling of drained transformer oil from the drums and making all the necessary connections and energising the transformer, inspecting all the metering equipments, tightening all electrical connections checking & recording insulation resistance on both LT & HT sides,checking & recording earth resistance complete all as specified & as directed. Note:- a) The above quoted rate includes dismantling of the existing HT cable connected with the transformer and carrying out the meggering test on both HT/LT side and reconnecting the existing HT cable with the transformer. b) The above quoted rate includes all the T&P required for testing and servicing work all as specifed and direcetd. c) The above quoted rate includes all the minor parts required for the servicing i.e. Nuts and bolts, washers, cotton waste, grease etc. |
| 88 | M&L for servicing of oil cooled Transformer of capacity 1000 to 1600 KVA, 11 KV/433Vby disconnecting incoming & outgoing power supply, cleaning the external surface of the transformer, checking the condition of the silica gel, breather assembly, buchholz relay,control wiring, rectifying the leakage of oil through the gasket or through the radiator fins by draining out oil after arranging necessary drums and making necessary disconnections of bushings and other accessories,and replacement of gaskets and oil seals, replacement of cover gasket accessories, refilling of drained transformer oil from the drums and making all the necessary connections and energising the transformer, inspecting all the metering equipments, tightening all electrical connections checking & recording insulation resistance on both LT & HT sides,checking & recording earth resistance complete all as specified & as directed. Note:- a) The above quoted rate includes dismantling of the existing HT cable connected with the transformer and carrying out the meggering test on both HT/LT side and reconnecting the existing HT cable with the transformer. b) The above quoted rate includes all the T&P required for testing and servicing work all as specifed and direcetd. c) The above quoted rate includes all the minor parts required for the servicing i.e. Nuts and bolts, washers, cotton waste, grease etc. |
| 89 | M&L for servicing of oil cooled Transformer of capacity 750 KVA up to 100 KVA, 11 KV/433Vby disconnecting incoming & outgoing power supply, cleaning the external surface of the transformer, checking the condition of the silica gel, breather assembly, buchholz relay,control wiring, rectifying the leakage of oil through the gasket or through the radiator fins by draining out oil after arranging necessary drums and making necessary disconnections of bushings and other accessories,and replacement of gaskets and oil seals, replacement of cover gasket accessories, refilling of drained transformer oil from the drums and making all the necessary connections and energising the transformer, inspecting all the metering equipments, tightening all electrical connections checking & recording insulation resistance on both LT & HT sides,checking & recording earth resistance complete all as specified & as directed. Note:- a) The above quoted rate includes dismantling of the existing HT cable connected with the transformer and carrying out the meggering test on both HT/LT side and reconnecting the existing HT cable with the transformer. b) The above quoted rate includes all the T&P required for testing and servicing work all as specifed and direcetd. c) The above quoted rate includes all the minor parts required for the servicing i.e. Nuts and bolts, washers, cotton waste, grease etc. |
| 90 | Supplying and laying in repairs synthetic Rubber insulated mats 2.5 mm thick for voltage upto 11 kvfor 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. |
| 91 | M&L for replacement of Silica gel breather assembly complete and silicagel including connecting with proper necessary gaskets if necessary, including removing the unserviceable breather assembly. |
| 92 | (a) 2000 kVA to 3000 kVA |
| 93 | (b) 1000 kVA to 1600 kVA |
| 94 | (c) 100 kVA to 750 kVA |
| 95 | Supply and filling Silica gel to the transformer breather of transformer including removing the unserveiceable silica gel |
| 96 | M&L for replacement gun metal drain valves of transformers of following capacitiesincluding dismantling old one |
| 97 | (a) 2000 kVA to 3000 kVA |
| 98 | (b) 1000 kVA to 1600 kVA |
| 99 | (c) 100 kVA to 750 kVA |
| 100 | Supply only LT Bushingsmade 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 dismatling old one. |
| 101 | (a) 2000 kVA to 3000 kVA |
| 102 | (b) 1000 kVA to 1600 kVA |
| 103 | (c) 100 kVA to 750 kVA |
| 104 | Supply only HT Bushingsmade 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 dismatling old one. |
| 105 | (a) 2000 kVA to 3000 kVA |
| 106 | (b) 1000 kVA to 1600 kVA |
| 107 | (c) 100 kVA to 750 kVA |
| 108 | M&L 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 painton 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:- |
| 109 | (a) 2000 kVA to 3000 kVA |
| 110 | (b) 1000 kVA to 1600 kVA |
| 111 | (c) 100 kVA to 750 kVA |
| 112 | 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. |
| 113 | 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. |
| 114 | M&L for earthingcomplete in repairs with galvanized steel earth plate electrode600x600x6mm 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 onone 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. |
| 115 | Supplying and fixing in repairs 32mm X 6mm ,GI earth strip all as specified and directed |
| 116 | M&L for testing of resistance of earthpits of transformer,panels etc after testing the report shall be furnished in standard format approved by Engineer-in Charge. |
| 117 | M&L for repair and servicing of HT (HT 11 KV) two pole structure by replacing AluminiumPG clamps, GI bolts and nuts, pieces of ACSR conductor with insulation sleeveRYB of any size as jumpers and applying silicon compoundfor 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 . |
| 118 | M&L for replacement of old unsv capacitor of capacity 50 Kvar for power factor correction panel including dismantling the old unsv 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. |
| 119 | Taking down HT switch gear (Vacuum circuit breaker ) of capacity11 KV 250/350 MVA , up to 1250 Amps comprising of following repairs, servicing,carrying out preventive maintanance and refixing the same after repairs/ servicing: - |
| 120 | (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 |
| 121 | (b) Servicing/Inspecting/checking of automatic safety shutter operation for serviceability and replacement of spares if required. |
| 122 | (b) Servicing/Inspecting/checking ofcircuit spoutand cicuit spout connections for RYB phases and replacement of spares if required. |
| 123 | (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. |
| 124 | (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. |
| 125 | (e)Servicing/Inspecting/checking ofsecondary sockets/busbar earthing plugs/earthing sockets and replacement of spares if required. |
| 126 | (f)Checking, setting and adjustment of lowering and raising operation of the breaker trolley. |
| 127 | (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. |
| 128 | (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 Indoor type |
| 129 | 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, vaccum interruptur, busbar spout, busbar spout connections, circuit spout/circuit spout connections/buffer fixed contacts, moving contacts,solenoid spares, dependent/spring mechainsm/ 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. |
| 130 | M&L 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 alongwith spring mechanism for charging/discharging of the breaker, cleaning of all the HT contacts with the anti corrosive liquid spay, repairing the allignment of the contcats all as specified and directed, scrapping of the old paint and painting the LBS with one coat of primer and two coats of super enamelled aluminium paint complete and writing the LBS no and loaction of the outgoing cable in english alphabetic letters all as specifed and directed by Engr-In-Charge. Note: a) All the mior parts required for the reapir 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. |
| 131 | Servicing,Inspecting,checking,cleaning by using of blower, Lubrication ,greasing and carrying out preventive maintenance of RMU capacity 11 KV, 250/350 MVA consist of 3 Nos breakers and RMU in serviceable condition, testing and commissioning all as specified and as directed by the Engineer-in-Charge. |
| 132 | M&L for servicing of dry cast Transformer 1600KVA, 11 KV/433Vby disconnecting incoming & outgoing power supply, opening up, cleaning the transformer internally & externally by using the industrial grade blower ,rectifying the vibration, if any noticed, by providing high resistance insulating backelite wedges as the supports to the core of the winding,inspecting all the metering equipments, tightening all electrical connections, checking,checking of earth resistance completeall as specified & as directed. Location : DSS-1/ DSS-1A/ DSS4/ DSS-4A/ DSS-6/ DSS-8/ DSS-9/DSS-11/DSS UC Note:- a) The above quoted rate includes dismantling of the existing HT cable connected with the transformer and carrying out the meggering test on both HT/LT side and reconnecting the existing HT cable with the transformer. b) The above quoted rate includes all the T&P required for testing and servicing work all as specifed and direcetd. c) The above quoted rate includes all the minor parts required for the servicing i.e. Nuts and bolts, washers, cotton waste, grease etc. |
| 133 | M&L for servicing of dry cast Transformer 160KVA, 11 KV/433Vby disconnecting incoming & outgoing power supply, opening up, cleaning the transformer internally & externally by using the industrial grade blower ,rectifying the vibration, if any noticed, by providing high resistance insulating backelite wedges as the supports to the core of the winding,inspecting all the metering equipments, tightening all electrical connections, checking,checking of earth resistance completeall as specified & as directed. Location : Near KV school Note:- a) The above quoted rate includes dismantling of the existing HT cable connected with the transformer and carrying out the meggering test on both HT/LT side and reconnecting the existing HT cable with the transformer. b) The above quoted rate includes all the T&P required for testing and servicing work all as specifed and direcetd. c) The above quoted rate includes all the minor parts required for the servicing i.e. Nuts and bolts, washers, cotton waste, grease etc. |
| 134 | M&L for servicing of oil cooled Transformer of capacity 500 to 800 KVA, 11 KV/433Vby disconnecting incoming & outgoing power supply, cleaning the external surface of the transformer, checking the condition of the silica gel, breather assembly, buchholz relay,control wiring, rectifying the leakage of oil through the gasket or through the radiator fins, inspecting all the metering equipments, tightening all electrical connections checking & recording insulation resistance on both LT & HT sides,checking & recording earth resistance complete all as specified & as directed. Location : DSS-10,DSS MAP Arga and little Binaga and DSS-11 at corritop or any other location at site "A" |
| 135 | M&L for servicing of oil cooled Transformer of capacity up to 315 KVA, 11 KV/433Vby disconnecting incoming & outgoing power supply, cleaning the external surface of the transformer, checking the condition of the silica gel, breather assembly, buchholz relay,control wiring, rectifying the leakage of oil through the gasket or through the radiator fins, inspecting all the metering equipments, tightening all electrical connections checking & recording insulation resistance on both LT & HT sides,checking & recording earth resistance complete all as specified & as directed. Location : Pump house at Baithkol and DSS at Anjandip island. |
| 136 | Disconnection of the Distrubution Transformer from HT and LT supply mains, removing of Bus duct and Bus bar, Leakage arresting to following transformers by draining out of oil, after arrangement of necessary empty oil drums, buckets etc.,dismantling of top cover and acessories, dismantling of LT bushings by disconnecting leads/jumpers from inside, replacement of gaskets and oil seals and re fixing of the LT bushings, making internal and external connections, replacement of cover gasket and acessories, refixing of acessories and cover, refilling of transformer oil complete, and making cable connections and assesting for energising the transformer. Notes :- 1. Cost includes materials like gaskets and oil seals and labour. 2. cost of transformer oil for toping up and Bushing and bushings rods to be measured and paid separately. |
| 137 | (a) 500 kVA to 800 kVA |
| 138 | (b) Up to 400 kVA |
| 139 | M&L for replacement of Silica gel breather assembly complete and silicagel including connecting with proper necessary gaskets if necessary, including removing the unserviceable breather assembly. |
| 140 | (a) 500 kVA to 800 kVA |
| 141 | (b) Up to 400 kVA |
| 142 | M&L for replacement of of Conservator tank complete unit and including connecting with proper necessary gaskets if necessary, including removing the unserviceable Conservator tank. |
| 143 | (a) 500 kVA to 800 kVA |
| 144 | (b) Up to 400 kVA |
| 145 | M&L for replacement gun metal drain valves of transformers of following capacitiesincluding dismantling old one:- MAKE :-UPADHYAY/ LEADER/ ZOLOTO/ VAG |
| 146 | (a) 500 kVA to 800 kVA |
| 147 | (b) Up to 400 kVA |
| 148 | Supply and fix in repairs off load tap changer assembly suitable for any make with 7 tapping position including opening top cover, conservator etc. |
| 149 | (a) 500 kVA to 800 kVA |
| 150 | (b) Up to 400 kVA |
| 151 | Supply and replacement of (WTI) Winding Temperature Indicator of following distribution transformers including dismantling old one |
| 152 | (a) 500 kVA to 800 kVA |
| 153 | (b) Up to 400 kVA |
| 154 | Supply only LT Bushingsmade 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 dismatling old one. |
| 155 | (a) 500 kVA to 800 kVA |
| 156 | (b) Up to 400 kVA |
| 157 | Supply only HT Bushingsmade 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 dismatling old one. |
| 158 | (a) 500 kVA to 800 kVA |
| 159 | (b) Up to 400 kVA |
| 160 | Supply only LT Bushing rod made out of Brass/Copper with threading and suitable length/size all as per existing metal parts / bolts etc, complete the following capacity distribution transformers of any make/size/type all as directed including dismatling old one. |
| 161 | (a) 500 kVA to 800 kVA |
| 162 | (b) Up to 400 kVA |
| 163 | Supply only HT Bushing rod made out of Brass/Copper with threading and suitable length/size all as per existing including metal parts / bolts etc, complete the following capacity distribution transformers of any make/size/type all as directed including dismatling old one. |
| 164 | (a) 500 kVA to 800 kVA |
| 165 | (b) Up to 400 kVA |
| 166 | M&L for replacement of (OTI) Oil Temperature indicator of following distribution transformers including dismantling old one. |
| 167 | (a) 500 kVA to 800 kVA |
| 168 | (b) Up to 400 kVA |
| 169 | M&L for porviding new cable box made out of MS sheet of thickness not less than 3.15 mm including fabrication works, welding etc. to suit the LT/HT side of existingtransformer size, including nuts, bolts, cable glands, termination of existing cables etc., all as directd by the Engineer-in-charge for the following capacity transformers: |
| 170 | (a) 500 kVA to 800 kVA |
| 171 | (b) Up to 400 kVA |
| 172 | M&L for replacement of Drain plugs to valves/conservator caps of the sizes 3/4", 1", 1.5" valves and plugs of the following capacity distribution transformers of any make/size/type all as directed including dismatling old one. |
| 173 | (a) 500 kVA to 800 kVA |
| 174 | (b) Up to 400 kVA |
| 175 | M&L for replacement of Oil gauge glass with gaskets of the following capacity distribution transformers of any make/size/type all as directed including dismatling old one. |
| 176 | (a) 500 kVA to 800 kVA |
| 177 | (b) Up to 400 kVA |
| 178 | M&L 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 painton 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:- |
| 179 | (a) 500 kVA to 800 kVA |
| 180 | (b) Up to 400 kVA |
| 181 | Material for pin insulator porcelain vitreous brown insulator including one galvanised mild steel spindle two galvanised iron washers and one galvanised iron nut for 11000 volts grade 150 mm dia & 150 mm height, complete including dismatling old one all as specified |
| 182 | Supply and install HT 11 KV, 200 Amp outdoor type gang operated single break switch Tilting type vertical mounting consisting of hot dip galvanised channel iron base having 2 Nos 11 KV Post type insulator in stack and 3 stack per phase copper or copper alloy high pressure heavily tinned contacts plated MS arcing horns capable of breaking the magnetizing current complete with horizontal connecting bar GI pipe as down rod levers coupling & operating handle with locking arrangement complete. |
| 183 | S & Install drop out lift OFF HT 11 KV, 200 Ampfuse link consisting of channel iron base having 2 Nos 11 KV post type insulators in stack & 2 stack per phase complete with fuse carrier of SRBP tube with heavily tinned non ferrous metal parts and spring loaded phosphor bronze contact complete manufactured as per IS 9385 Complete |
| 184 | Supply and filling of engine oil 15W40 or as per manufacturers recommendations for topping up or replacement. |
| 185 | Supply and toping up of radiator coolents as per the rcommendation of engine manufacturer all as directed. |
| 186 | Disconnecting and removing existing unserviceable battery and S&F maintenance free battery 12V 180 AH with minimum 2 years warrenty all as specified and as directed by Engineer-in-Charge. |
| 187 | M&L for carrying out "B" check for DG set 500 KVA,as per manufacturer"s recommendation including replacement of fuel filters and oil filters, "O" rings, gasket etc complete. |
| 188 | M&L for carrying out "B" check for DG set 750 KVA,as per manufacturer"s recommendation including replacement of fuel filters and oil filters, "O" rings, gasket etc complete. |
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