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Repair Maintenance Of Ht Distribution Network And Allied Works At Site A E Nchc Amadalli Township Repair / Maint Of Main Receiving Distribution Substation Mdss At Naval Base Karwar At Vajrakosh Site E And Dss 16 At Nad Site E Under Ge Sb Karwar, vasco-Goa

Military Engineer Services-MES has published Repair Maintenance Of Ht Distribution Network And Allied Works At Site A E Nchc Amadalli Township Repair / Maint Of Main Receiving Distribution Substation Mdss At Naval Base Karwar At Vajrakosh Site E And Dss 16 At Nad Site E Under Ge Sb Karwar. Submission Date for this Tender is 21-10-2022. Electrical Maintenance Tenders in vasco Goa. Bidders can get complete Tender details and download the document.




Tender Notice

34084526
Repair Maintenance Of Ht Distribution Network And Allied Works At Site A E Nchc Amadalli Township Repair / Maint Of Main Receiving Distribution Substation Mdss At Naval Base Karwar At Vajrakosh Site E And Dss 16 At Nad Site E Under Ge Sb Karwar
Open Tender
Indian
Goa
vasco
21-10-2022

Tender Details

Repair Maintenance Of Ht Distribution Network And Allied Works At Site A E Nchc Amadalli Township Repair / Maint Of Main Receiving Distribution Substation Mdss At Naval Base Karwar At Vajrakosh Site E And Dss 16 At Nad Site E Under Ge Sb Karwar

Key Value

Document Fees
INR 1000 /-
EMD
INR 225800.0 /-
Tender Value
INR 1.50 Crore /-

BOQ Items

NAME OF WORK: REPAIR & MAINT OF HT DISTRIBUTION NETWORK AND ALLIED WORKS AT SITE ‘A’, "E"&NCHC AMADALLI TOWNSHIP, REPAIR/MAINT OF MAIN RECEIVING DISTRIBUTION SUBSTATION (MDSS) AT NAVAL BASE KARWAR, VAJRAKOSH(SITE"E") AND DSS 16 AT NAD(SITE"E") UNDER GE(SB) KARWAR
Sl. No. Item Description
1Excavation 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.
2Returning,filling in including spreading,levelling, watering and well rammingin layer not exceeding 25 cm in soft/loose soil all as specified and as directed.
3Removing 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.
4Taking 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
5Supplying & 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:- Note :- Excavation & earth work, sand cushioning and PCC cover for cable protection shall be measured & paid seperately
6(a) 3 core 95 Sqmm
7(b) 3 core 120 Sqmm
8(c) 3 core 185 Sqmm
9(d) 3 core 240 Sqmm
10Supplying & 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
12Laying 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 4 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
17Supply 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.
18Laying 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.
19Supply 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.
20Supply & 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
21Supply, jointing & testing Indoortermination type heat shrinkable 11 KV HT joint kit suitable for PVC / XLPE insulated stranded aluminium conductor of size 3 core 95 Sqmm to 185 Sqmm all as specified and as directed.
22Supply, jointing & testing Indoor termination type heat shrinkable 11 KV HT joint kit suitable for PVC / XLPE insulated stranded aluminium conductor of size 3 core 240 sqmm to 300 Sqmm all as specified and as directed.
23Supply, jointing & testing Indoor/Outdoor termination type heat shrinkable 33 KV HT joint kit suitable for PVC / XLPE insulated stranded aluminium conductor of size 3 coreupto 300 Sqmm all as specified and as directed.
24Supply, jointing & testing straight through type heat shrinkable 11 KV HT joint kit suitable for 3 core 95 Sqmm to 185 Sqmm PVC / XLPE insulated stranded aluminium conductor all as specified and as directed.
25S&F 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.
26Testing of HT/LT UG cable by checking the insulation resistance using 5000v / 10000v fault insulation locator tester, identify 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
27Testing of HT/LT UG cable by checking the insulation resistance using 5000v / 10000v fault insulation locator tester, 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 : Insingle stretch havinglength more than 1500 RM whatsoever Nos of fault shall be paid as each job
28Supply & fix in repairs Phase indication lamp LED type of colour complete all as specified and as directed.
29M&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.
30Supplying and laying synthetic Rubber insulated mats 3 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.
31M&L for Servicing /Repair to HT Pannel of having vaccum circuit breaker33 KV rating of capacity 250MVA and current rating upto 630 Amps to 2000 Amps by replacing defective/ wornout parts, adjustment of gaps for smooth operation all as detailed below:- (a) Cleaning of VCB with air blower and removing dust particles. (b) Cleaning of insulating places of VCB by using CTC/ CRC/ Thinner as required and recommended (c) Checking the arcing contact gap of vaccum interrupter, if gap exceeds the permissible limits, readjust as recommended. (d) Cleaning the main contacts to remove carbon or any other unwanted particals if visible. (e)Dismantling and cleaning the insulated surfaces and arc barrier with CTC and CRC. (f) Checking / repair and replacement of all minorac/dc electrical wiring forelectrical/ mannual operationof HT panel loading and all others function based on the ac/dc operation of HT panel etc complete in all respect as specified (g) Checking of all nuts/ bolts springs, levers, latches, connectors etc and adjustment etc required and recommended., (h) Recording IR Values of CTs and PTs (j) Cleaning of bus bar spout.
32(k) Checking of all moving parts for proper functioning of VCB and adjustment as per manufacturer recommendations. (l) Removing all the moisture content inside the VCB panel all as specified by OEM. Note :- (i)The cost of minor parts ie nuts ,bolts,spring washers,dust cover ring of isolarors contacts,clips pins for release prop,Y phase shrouded over side stop pin,and all other minor parts ie packing essentially required to make the panel dust proof shall be deemed to be included in the rate quoted by the contractor . (ii) The servicing will be carried as per norms of OEM.
33M&L for Servicing /Repair to HT Pannel of having vaccum circuit breaker11 KV rating of capacity 250MVA and current rating upto 630 Amps to 2000 Amps by replacing defective/ wornout parts, adjustment of gaps for smooth operation all as detailed below:- (a) Cleaning of VCB with air blower and removing dust particles. (b) Cleaning of insulating places of VCB by using CTC/ CRC/ Thinner as required and recommended (c) Checking the arcing contact gap of vaccum interrupter, if gap exceeds the permissible limits, readjust as recommended. (d) Cleaning the main contacts to remove carbon or any other unwanted particals if visible. (e)Dismantling and cleaning the insulated surfaces and arc barrier with CTC and CRC. (f) Checking / repair and replacement of all minorac/dc electrical wiring forelectrical/ mannual operationof HT panel loading and all others function based on the ac/dc operation of HT panel etc complete in all respect as specified (g) Checking of all nuts/ bolts springs, levers, latches, connectors etc and adjustment etc required and recommended., (h) Recording IR Values of CTs and PTs
34(j) Cleaning of bus bar spout. (k) Checking of all moving parts for proper functioning of VCB and adjustment as per manufacturer recommendations. (l) Removing all the moisture content inside the VCB panel all as specified by OEM. Note :- (i)The cost of minor parts ie nuts ,bolts,spring washers,dust cover ring of isolarors contacts,clips pins for release prop,Y phase shrouded over side stop pin,and all other minor parts ie packing essentially required to make the panel dust proof shall be deemed to be included in the rate quoted by the contractor . (ii) The servicing will be carried as per norms of OEM.
35S & Fixingin replacement & testing and commissioningtripping coil for 33KV operated by ac or dc supply completewith electric copper wireof suitableall as specified and directed
36S & Fixingin replacement &testing and commissioningclosingcoil suitable for 33Voperated by ac or dc supply completewith electric copper wireof suitableall as specified and directed
37S & Fixingin replacement & testing and commissioningtripping coil for 11KV operated by ac or dc supply completewith electric copper wireof suitableall as specified and directed
38S & Fixingin replacement &testing and commissioningclosingcoil suitable for 11kVoperated by ac or dc supply completewith electric copper wireof suitableall as specified and directed
39S & 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
40M & L for calibration of relaysfor primary current/voltage injection test complete for 11KV & 33 KVVCB panelscomplete all as specified and as directed.
41S& 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
42S/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.
43S& 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
44S/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.
45S/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.
46S/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.
47S/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.
48S/F in repair of Brown 11 KV Epoxy Bus Bar Support Insulators 300 /100 MM DIA /as per sample single pole for indoor use400 to 800 Amp suitable for existing panel complete all as directed and specified.
49Supply, jointing & testing Indoorend termination cable joininting kit,heat shrinkable type 11 KV HT joint kit suitable for PVC / XLPE insulated stranded aluminium conductor of size 3 core 120 Sqmm to 185 Sqmm all as specified and as directed.
50Supply, jointing & testing straight through type cable joininting kit heat shrinkable 11 KV HT joint kit suitable for 3 core 120 Sqmm to 185 Sqmm PVC / XLPE insulated stranded aluminium conductor all as specified and as directed.
51Supply, jointing & testing straight through type cable joininting kit heat shrinkable 11 KV HT joint kit suitable for 3 core 240 Sqmm to 400 Sqmm PVC / XLPE insulated stranded aluminium conductor all as specified and as directed.
52M&L for Servicing /Repair to vaccum circuit breaker11 KV rating of capacity 250MVA from HT Pannel of having current rating upto 630 Amps to 2000 Amps by replacing defective/ wornout parts, adjustment of gaps for smooth operation all as detailed below:- (a) Cleaning of VCB with air blower and removing dust particles. (b) Cleaning of insulating places of VCB by using CTC/ CRC/ Thinner as required and recommended (c) Checking the arcing contact gap of vaccum interrupter, if gap exceeds the permissible limits, readjust as recommended. (d) Cleaning the main contacts to remove carbon or any other unwanted particals if visible. (e)Dismantling and cleaning the insulated surfaces and arc barrier with CTC and CRC. (f) Checking / repair and replacement of all minorac/dc electrical wiring forelectrical/ mannual operationof HT panel loading and all others function based on the ac/dc operation of HT panel etc complete in all respect as specified (g) Checking of all nuts/ bolts springs, levers, latches, connectors etc and adjustment etc required and recommended.
53(h) Recording IR Values of CTs and PTs (j) Cleaning of bus bar spout. (k) Checking of all moving parts for proper functioning of VCB and adjustment as per manufacturer recommendations. (l) Removing all the moisture content inside the VCB panel all as specified by OEM.
54Note :- (i)The cost of minor parts ie nuts ,bolts,spring washers,dust cover ring of isolarors contacts,clips pins for release prop,Y phase shrouded over side stop pin,and all other minor parts ie packing essentially required to make the panel dust proof shall be deemed to be included in the rate quoted by the contractor . (ii) The servicing will be carried as per norms of OEM.
55S & Fixingin replacement & testing and commissioningtripping coiloperated by ac or dc supply completewith electric copper wireof suitableall as specified and directed
56S & Fixingin replacement &testing and commissioningclosingcoiloperated by ac or dc supply completewith electric copper wireof suitableall as specified and directed
57M&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.
58M&L for Taking out ACB of Siemens make, of capacity 800A to 2000A 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 HP multipurpose grease, all contacts setting checked, readjusted if required, and regreased with HP 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.
59NOTES :- (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.
60(ii)Tools and plants and testing instruments required for servicing of VCB/ACB shall be arranged by the contractor. (iii)The unit rate quoted shall be deemed to include the cost of grease, lubricating material, cleaning materialetc as required. (iv)After servicing, report shall be furnished in standard format approved by Engineer-in-Charge.
61S/F in repair of fuse indoor type,11 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
62M&L for repair and servicing of Automatic power factor correction panels of different capacities including complete rewiring of the APFC Panel, replacement of the auxilary contactors, three phase capacitors, indictors, damping resistors and relays and checking the serviceability of the all the components and replacement of the defective parts all as specified and directed. Note: The above quoted rate includes servicing and internal control wiring of the APFC panel and all the connected items to be fixed are to be meausured and paid seperately under relevant items as below
63a) 3 Phase cylindrical shape power capacitor of capacity 30 Kvar suitable for APFC Panel all as specified and directed
64b) 3 Phase cylindrical shape power capacitor of capacity 40 Kvar suitable for APFC Panel all as specified and directed
65c) 3 pole power contactors for capacitor switching of power capacitors from range 30 to 40 Kvar
66d) APFC 3 Phase relay suitable for APFC panel of capacity not less than 200 Kvar all as specified and directed
67Supply and fixing in repair of old unsv HRC fuse assembly of any type and size all as per existing having capacity 200 Amps-400 Amps all as specified and directed.
68M&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.
69M&L for Servicing of dry cast Transformer upto 1600KVA, 11 KV/433Vby disconnecting incoming & outgoing power supply, opening up, cleaning the transformer internally & externally inspecting all the metering equipments, tightening all electrical connections checking & recording insulation resistance on both LT & HT sides,checking & recording earth resistance complete through authorised service engineer of OEM 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.
70M&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.
71S& Fixingin replacement & testing and commissioning ofpottential transformerPT ratio 11000/110 Volts accuracy class 0.5, 50VA , indoor type , epoxy resincast,strut type single stage suitable for power measurement, connecting to HT/VCB to match with the existing systemcomplete all as directed
72Taking 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 HP multipurpose grease, all contacts setting checked, readjusted if required, and regreased with HP multipurpose grease, all tripping device like manual trip, undervoltage, 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 directed.
73NOTES :- (a) The scope of work includes following :- (aa) Inspection & cleaning the mechanism house (ab) Operation of door interlock, interlocking plate & shutter operation inside of panel. (ac) Check the Mechanical ON-OFF function, electrical & mechanical operation and damagepart of VCB/ACB. (ad)Re-greasing and oiling of breaker mech, adjustment of various mechanism setting as required, checking contact tightness, contact erosion pins, mannually vaccum check of VCB/ACB. (ae) Racking-Rack out operation in Test & service position of VCB/ACB trolley. (af) Megger test (IR value - 1KV / 2.5KV) E-RYB, RY-YB, BR-R"R, Y"Y, B"B. (ag) CRM Test (contact resistance) of Vacuum Inteerupter R, Y, B in on conditionout side of panel. (ah) Time test of contract pole by Test kit (in mile second). (aj) Function of closing coil, Trip coil, spring charging motor, auxiliary contact, limit switches etc. (ak)Checking & lubricationof varius interlocks. (al)Submission of test report in standard format of vacuum circuit breaker. .
74(ii)Tools & testing instruments reqd for servicing of VCB/ACB will be arranged by the contractor. (ii)Tools & testing instruments reqd for servicing of VCB/ACB will be arranged by the contractor. (iii)The unit rate quoted shall be deemed to include the cost of grease, lubricating material, cleaning material (iv)After servicing, report will be furnished to Engr-in-Charge in standard format approved by Engr-in-Charge
75Opening the Panel boardcubical type for located in different location below,cleaning the Bus Duct chamber, inspect the complete panel, tighten the all incoming, outgoing ACBs/MCCB s/ SFU of different capacity, nuts, bolts, bus bar insulator and replace with new one if required and heating up for removal of moisture, record its IR value with the help of 1.1KV meggerincluding replacement of 3mm thick gasket &closing of all holes and charging the same of following panels complete all as directed. Note :Rates quoted shall deemed to be included for sundry items viz cleaning material, antimoisture spray,nut & bolts etc.complete
76a) NAD Panels
77b) CB. Panels
78c) DG Panels
79d) Battery Charger
80e) Sychronizing Panels
81Supplying and laying synthetic Rubber insulated mats 2.5 mm thick for voltage upto 11 kv(size 2x1m) 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.
82M&L for routine maintainance ofof Oil cooled transformers 33/11KV step down of capacity upto 3000 KVAby disconnecting incoming & outgoing power supply cables after obtaining suitable shtdown from Engr-In-Chrage,inspecting all the metering equipments, tightening all electrical connections, checking & recording insulation resistance on both LT & HT sides,checking & recording earth resistance complete through authorised service engineer having Electrical Licenseall as specified & directed.the dielectric strength of the transformer oil to be tested and meausured, the transformer oil to be topped up/filled as per the direction of the Engr-In-Charge, all loose connections of the HT bushes, LT bushes, HT cable termination to be tightened properly, the leakage of the transformer oil to be rectified by replacement of the gasket if requied. a) The minor items like nuts, bolts and washers are included in the above quoted rate, all other major items i.e HT bushes/LT bushes/Transformer oil/silica gel/breather assembly are to be meausured and paid seperately.
83a) HT bushing for transformer of capacity 33/11kv upto 3000 Kva.
84b) LT brass spindle, threaded with washers, nuts,lock nut and rubber sealsuitable for transformers of capacity 33/11kv upto 3000 Kva.
85c) Breather assembly suitable for transformer of capacity 33/11kv upto 3000 Kva.
86M&L for routine maintainance ofof Oil cooled transformers 11/0.433KV step down of capacity upto 1600 KVAby disconnecting incoming & outgoing power supply cables after obtaining suitable shtdown from Engr-In-Chrage,inspecting all the metering equipments, tightening all electrical connections, checking & recording insulation resistance on both LT & HT sides,checking & recording earth resistance complete through authorised service engineer having Electrical Licenseall as specified & directed.the dielectric strength of the transformer oil to be tested and meausured, the transformer oil to be topped up/filled as per the direction of the Engr-In-Charge, all loose connections of the HT bushes, LT bushes, HT cable termination to be tightened properly, the leakage of the transformer oil to be rectified by replacement of the gasket if requied. a) The minor items like nuts, bolts and washers are included in the above quoted rate, all other major items i.e HT bushes/LT bushes/Transformer oil/silica gel/breather assembly are to be meausured and paid seperately.
87a) HT bushing for transformer of capacity 11/0.433kv upto 1600 Kva.
88b) LT brass spindle, threaded with washers, nuts,lock nut and rubber sealsuitable for capacity 11/0.433kv upto 1600 Kva.
89c) Breather assembly suitable for transformer of capacity 11/0.433kv upto 1600 Kva.
90M&L for Filteration and dehydration of existing transformer oil includng heating continuously till obtaining the desired dielectric strength complete inclduing taking result of transformer oil before/after filteration and dehydration of transformer oil all as specified and directed by Engr-in-charge. (The dielectric strength to be achieved 50-60 KV at 2.5 mm gap after completion of de-hydration and filteration).
91Supply of transformer oil low viscosity approved make as per IS 355 of 1992 and min di-electric strength 60 KV all as specified and directed. Note : (i) Test certificate from manufacturerof oil shall be provided by the contractor.
92Supply of Silica gel for transformers
93M&L forpainting to old steel surfaces of transformer 33/11 kv stepdown upto 3000KVA competewith one coat ofsynthetic enamel paint of approved shade using spray gun includingcleaning/ removing ,dust,dirt after scrapping old unsv paint coat etc including writing in block letter its nomenclature complete all as specified and as directed .
94M&L forpainting to old steel surfaces of transformer 11/0.433 kv step down upto 1600 KVA competewith one coat ofsynthetic enamel paint of approved shade using spray gun includingcleaning/ removing ,dust,dirt after scrapping old unsv paint coat etc including writing in block letter its nomenclature complete all as specified and as directed .
95M&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.
96M&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.
97M&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.
98M&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.
99M&L forRepair to thebattery charger including supply and fixing of unsv parts of the charger including replacement of step down copper wound transformer(having capacity to charge the battery bank of 2voltx12cell ,100 AH,operated on in put voltage 230 volt 50c/s single phase)with the provision of automatic cutoff system ,DC amp meter, Volt meter, indication for charging / over charging,mcb controll, battery voltageindicationvolt meter controll by toggle switch, suitable capacity ofMCB SPNand includingrusted part ofsheet cabniet complete with appropriate size of copper cable all as specifiedand directed
100Supply only battery of 2Volt, 150Ah and connecting them to the battery charger and making all the DC connections to the VCB panels at MRSS vajrakosh all as specified and directed by Engr-In-Charge.
101M&L for Strip Opening the HT VCB of capacity upto 2000 Amps suitable for 33 kv, removing the old teared/ unsv insulation from copper /aluminium bus bar,checking the IR value before fixing the HT sleeve and refixing the heat shrinkable insulating tape sleevesuitable for 33 kv busbar not less than 3mm thick having dielectric strength not less than 30kv/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.
102Supply&Fixingin replacement &testing and commissioning 80W ,230 V AC single phase rated strip heater with switch and thermostatfor space heating complete all as specified and directed
103S&Fixingin replacement & testing and commissioning Indication lamps DC24 voltswith showing red, yellow and green in colour of 22.5mm dia to monitor on HTpanel board suitable for 11KV HT VCB panel supply completeall ,as specified and directed.
104S&Fixingin replacement &testing and commissioning Indication lampsAC 220 voltswith showingred, yellow and green in colour of 22.5mm dia to monitor on HTpanel board suitable for 11KV HT VCB panel supply completeall ,as specified and directed.
105S&Fixingin replacement & testing and commissioning of Analog ammeter(0-100A /50A) suitable for 11 KV VCB range having 100/50/5A ratio suitable for function selector switch suitable for HT VCB panel flush pattern square type 96mm x 96mm with adopter including wiring complete all as specified and directed.
106S&Fixingin replacement &testing and commissioning of Analog voltmeter (0-15KV) suitable to function with built selector switch suitable for 11KV HT VCB panel flush pattern square type 96 mm x 96 mm with adopter or as per existing including wiring complete all as specified and directed.
107S&Fixingin replacement &testing and commissioning of Analog voltmeter (upto 33KV) suitable to function with built selector switch suitable for 33KV HT VCB panel flush pattern square type 96 mm x 96 mm with adopter or as per existing including wiring complete all as specified and directed.
108M&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.
109S&F DWC high density polyethelene pipes in replacement having outer dia 90/76 mm, inner as per site requirement having corrugation on the wall and plain surface on the inner wall conforming to IS: 14930(Part I & II) for protection of underground cable laid along pole/along wall/in PCC on GL/roof and including all fittings as required at site including aking down the old unserviceable complete all as specified and directed.
110Supply, jointing & testing Indoorend termination cable joininting kit,heat shrinkable type 11 KV HT joint kit suitable for PVC / XLPE insulated stranded aluminium conductor of size 3 core 120 Sqmm to 185 Sqmm all as specified and as directed.
111Supply, jointing & testing Indoor end termination cable joininting kit, heat shrinkable type 11 KV HT joint kit suitable for PVC / XLPE insulated stranded aluminium conductor of size 3 core 240 sqmm to 300 Sqmm all as specified and as directed.
112S&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.
113M&L for carrying out caliberation of HT VCB panel of capacity 1250 Amps of make: ABB after obtaining shut down from the Engr-In-Charge and disconnecting the existing incomer HT cables connected with the VCB, Caliberation of the earth fault realy and overload realy as per directions of Engr-In-Charge, checking of all alignment of VCB isolating contacts, servicing of operating mechanism including tripping and closing system of the breakers, dehydarting by spraying of anti corrosive and anti moisture liquid, decarbonising of panel by angle grinder/emery paper, bus section and circuit section incl incoming/outgoing cable and necessary HT insulation at joints, removing perished monoplus compound cleaning and reinsulating with HT taps wherever necessary with and incl replacement of worn out/defective spares like tesnion springs, tortion springs, nut bolts, washers of suitable size etc.
114Note:- (i) The above quoted rate deemed to include all minor spares etc. (ii) Any burnt out/defective items like movingfixed contacts, tripping coils, earth fault realy etc will be meausured and paid seperately under appropriate items of BOQ. (iii) Spare parts required other than mentioned in here -in-after shall bedeemed to be incl in the quoted rate (iv) The caliberation test certificate to be submitted after servicing & testing in presence of Engr-In-Charge.
115M&L for maintenance and overhauling of 11 KV VCB including opening, checking, cleaning wih CTC, cleaning wiping of insulating components, primary & secondary circuits, spouts, busbars, supports, CT, PT,check oil for leaking, cleaning contact tips, cover the exposed portion of busbsr with HT tape &heat shrinkable sleeves, cleaning of bushes, spout insulators for visible crack, tightness old fasteners holding moving contacts, check and correct the buffer gap adjustment & mechanism settings, testing, cleaning & overhauling of complete operating mechnism for smooth functioning, checking of control panel wiring for operation and protection for tripping & closing & rectifying the defects including Deoxidizing of all electrical contacts replacement unserviceable wiring with ferrule & lugs, reassembling & testing of complete VCB all as directed. Note: (i) Required part for replacement will be measured and paid under relevant item (ii) Cost of labour & cleaning material like Urethrene, gasket remover, lubricant etc for replacement is deemed to be included in quoted rate
116Supply only 24 pin plug assembly suitabe for ABB HT Breakers of cap 1250 Amps 11KV
117Supply only cable stem article suitabe for ABB HT Breakers of cap 1250 Amps 11KV
118Supply only contact system VD4-1250Amps (12 finger) suitabe for ABB HT Breakers of cap 1250 Amps 11KV
119Supply only front cove/shutter assembly suitabe for ABB HT Breakers of cap 1250 Amps 11KV
120Supply only spring drum suitabe for ABB HT Breakers of cap 1250 Amps 11KV
121Supply only spring v4207 suitabe for ABB HT Breakers of cap 1250 Amps 11KV
122Supply only roller chain v4208 suitabe for ABB HT Breakers of cap 1250 Amps 11KV
123Supply only torsion spring V4710/4711 suitabe for ABB HT Breakers of cap 1250 Amps 11KV
124Supply only Lever assembly V6014 suitabe for ABB HT Breakers of cap 1250 Amps 11KV
125Supply only motor cut off switch suitabe for ABB HT Breakers of cap 1250 Amps 11KV
126Supply only spring charging motor suitabe for ABB HT Breakers of cap 1250 Amps 11KV
127M&L for supply and fixing breaker control switch (Triple-neutral-close) 4 Pole/4 Terminal 660 V AC/DC pistol grip type complete all as specified and directed by Engr-In-charge.
128M&L for supply and fixing of vacuum inturupter 1250 Amps, 11 KV rating suitable for HT VCB of make ABB all as specified and directed by Engr-In-Charge.
129M&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.
130M&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.
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