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Repair And Maintenance Of Ht Power , Distribution , Potential And Current Transformers , Ht , Avr Including Servicing And Calibration Of Breakers , Ab Switches , Fuse Arrangements Control Cables And Allied Works At Oaf Mil Stn Under Ge 970 Ews, SRINAGAR-Jammu And Kashmir

Military Engineer Services-MES has published Repair And Maintenance Of Ht Power , Distribution , Potential And Current Transformers , Ht , Avr Including Servicing And Calibration Of Breakers , Ab Switches , Fuse Arrangements Control Cables And Allied Works At Oaf Mil Stn Under Ge 970 Ews. Submission Date for this Tender is 22-02-2021. Fuses Tenders in SRINAGAR Jammu And Kashmir. Bidders can get complete Tender details and download the document.




Tender Notice

26648557
Corrigendum : Repair And Maintenance Of Ht Power , Distribution , Potential And Current Transformers , Ht , Avr Including Servicing And Calibration Of Breakers , Ab Switches , Fuse Arrangements Control Cables And Allied Works At Oaf Mil Stn Under Ge 970 Ews
Open Tender
Indian
Jammu And Kashmir
SRINAGAR
22-02-2021

Tender Details

Repair And Maintenance Of Ht Power , Distribution , Potential And Current Transformers , Ht , Avr Including Servicing And Calibration Of Breakers , Ab Switches , Fuse Arrangements Control Cables And Allied Works At Oaf Mil Stn Under Ge 970 Ews

Corrigendum Details

Sr No CorrigendumDate Corrignedum CorrigendumType NewSubmissionDate
1 30-Jan-2021 DATE POSTPONED Date 15-02-2021
2 02-Feb-2021 BOQ REVISED AND AMENDMENT IN PS BOQ 15-02-2021
3 15-Feb-2021 Bid Auto Extn Corrigendum Bid Auto Extn Corrigendum 22-02-2021

Key Value

Document Fees
INR 500 /-
EMD
INR 80000.0 /-
Tender Value
INR 40 Lakhs /-

BOQ Items

Name of Work : Repair/ Maint of HT Power, distribution, potential and current transformers, HT, AVR including servicing and calibration of breakers, AB switches, fuse arrangements control cables and allied works at OAF Mil Stn under GE 970 EWS
Sl. No. Item Description Item Code / Make Quantity Units
1 1 Supply and fixing in repairs the following spares for outdoor VCB 33 KV 800 A 750 MVA fault level 36V-26/2000 & VCB 11 KV 400 A 25 KA 250MVA as approved by GE
2 1.01 Closing coil 24/30V DC 1 Each
3 1.02 Tripping coil 24/30V DC 1 Each
4 1.03 Antipumping device 24/30V DC 1 Each
5 1.04 33 KV porcelain bushing for VCB Top 1 Each
6 1.05 33 KV porcelain bushing for VCB bottom 1 Each
7 1.06 Connector strip 16 way 2 Each
8 1.07 Earth Fault and over current relay of L & T Model No MC61A 24-110V 1 Each
9 1.08 Digital type power factor indicator meter 1 Each
10 1.09 iDigital type Voltmeter / Ammeter 96 x 96 mm size 4 Each
11 1.1 LED type indicator lamp assembly 2 Each
12 1.11 Vacuum Interrupter for indoor VCB 2 Each
13 1.12 spout incoming side 2 Each
14 1.13 spout outgoing side 2 Each
15 1.14 Epoxy insulators bushings for incoming / out going cables / bus bar suppors as per existng size of VCBs 14 Each
16 1.15 Insulated Copper bus bar of existing size and thickness for VCBs 5 Kg
17 1.16 Gear system assy complete with handle for charging / discharging of VCBs 2 Set
18 1.17 Spring charging motor for VCBs 1 Each
19 2 Dismantling old and unserviceable pre stressed concrete /Steel poles any type including breaking cement concrete complete, Material and erection of steel tubular swaged pole with cast iron base plate finial tapper plug, bolts nuts and screws and specified type 410-SP-55 ( 11mtr long) in truly vertical position 1.5 m length of pole above ground level shall be painted with two coats of synthetic enamel paint in strips of 30 cm width, black and yellow alternatively and painting with two coats of aluminum paint over a coat of red oxide primer on rest part of pole and its connected parts complete all as specified and derected by engir-in charge. (note- Excavation and PCC shall be measured and paid seperately ) 3 Each
20 3 Dismantling of existing old unserviceable ACSR of any size from any descritpion, material and labour for providing new ACSR conductor all as specified and directed incl stringing through existing RCC poles, fixing in insulators, jumpers with polythene pipe, aluminium binding wire etc complete of different sizes all as directed.\nNote : Rates for new Aluminium tape / copper binding wire are included in this rate. 2 Qtl
21 4 S & F in repairs Mild steel cross arms channel, bracing, support, clamps etc fabricated structured steel, sections, including nuts, bolts, washers etc and cutting to required length beat to any shape drilling holes, fixed on poles or jointed by means of elect welding complete incl painting with 2 coats of aluminum paint over a coat of red oxide primer after preparation of surfaces incl taking down / dismantling the old items complete all as directed. 3 Qtl
22 5 Disnmantling of existing old unserviceable earth wire and gradle guard of any size form the position, material and labour for providing new GI wire 4 mm dia (8 SWG) on poles to continuous earth wire and cradle guard etc, all as directed. 0.2 Qtl
23 6 Dismantling old unserviceable stay assy complete, material and labour for new stay assembly complete with 20 mm dia stay rod with accessories shown in electric plate No 01 incl stay clamp, (loop insulator, stay wire, excavation and concrete measured seperately) complete all as directed. 6 Per set
24 7 M & L in repairs for Galvanised Stay wire of size 7/4 mm incl dismantling old wire all as directed. 0.3 Qtl
25 8 S & F in repairs for loop insulator Vitreous Porcelian white or brown of size 90 X 140 mm clearance hole 25.5 mm all as directed. 6 Each
26 9 S & F in repairs Disc type porcelain vitreous, brown or white insulator suitable for 11 KV HT working Pressure of size 145 mm height, 255 mm dia , including. one galvanised mild steel spindle, two galvanised iron washer and one GI nut complete all as directed. 12 Each
27 10 S & F in repairs Pin type porcelain vitreous,brown of white insulator suitable for 11 KV HT of working pressure of size 150mm height, 150mm dia, including one galvanised mild steel spindle, two galvanished iron washer and one GI nut complete all as directed. 15 Each
28 11 S & F in repairs Pin type porcelain vitreous,brown of white insulator to suit 1100 Volt working pressure of size 100 mm height, 65mm dia, including one galvanised mild steel spindle, two galvanished iron washer and one GI nut complete all as directed. 60 Each
29 12 S & F in repairs shackle type porcelain vitreous brown or white 1100 Volt of size, 115 mm dia and 100mm height including GI strap of size of 31 x 5 mm insulator bolt of 14 mm dia, nuts and washers for working pressure 1100 V complete all as directed. 60 Each
30 13 S & F in repairs incl testing of swing out explusion fuse isolated assembly with fuse carrier out door type 11 KV supply 50 Amp ( DO Fuse ) incl mounting bracket & post insulator comlete all as directed. (Make : Atlas/GEC/Pactil) 3 Set of three
31 14 S & F in repairs transmission class type droup out fuses 11000 volts rating 25-50 amps,outdoor type complete. 4 Set of three
32 15 Taking down Triple pole mechanism complete with DO Fuse unit from the site, supply and install DO fuse unit triple pole, mechanically operated, mounted on insulator and steel frame,with opertaing mechanism worked from ground level with GI pipe medium grade, for current rating upto 200 Amps and Air break (switch) insulator suitable for HT 11 KV out door type 50 Amp ( DO Fuse ) all as directed.(Make : Atlas/GEC/Pactil) 3 Each
33 16 S & F in repairs lightning arresters expulsion type complete with all fittings transmission class, discharge capacity 65 kilo amps, suitable for 11 KV all as direcetd. 3 Set of three
34 17 Excavating in trenches not exceeding 1.5 meter wide and not exceeding 1.5 meter in depth for foundation for erection of poles, stays, laying cables, stays etc and getting out in hard / dense soil all as specified and directed. 90 Cum
35 18 Excavating in trenches not exceeding 1.5 meter wide and exceeding 1.5 meter and not exceeding 3meter in depth for foundation for erection of poles, stays, laying cables, stays etc and getting out in hard / dense soil all as specified and directed. 0.4 Cum
36 19 Returning filling in excavated earth work including spreading, levelling, watering and well ramming in layers n.exc 25cm thick in any strata 60 Cum
37 20 Removing excavated soil to a distance n.exc 50m, depositing where directed at a level n.exc 1.5M above the starting point 30 Cum
38 21 Supply/ Lay dry river sand /m -sand in trenches for cable protection all as directed.\nNote : Punned thickness only will be measured & Paid 20 Cum
39 22 M & L Sub Class 'B' brick covering protection to the eletric cable laid dry flat transversally along the length of cable on sand cushioning with width equal to length of brick complete all as specified 2 1000 per nos
40 23 S & F in trench/on wall in repairs GI tubing light grade for road crossing and cable protection of the following sizes as in repairs :-
41 23.01 80 mm dia 18 RM
42 23.02 100 mm dia 18 RM
43 24 M & L for PCC 1:4:8 type D-2 using 40 mm graded stone aggregate including use and waste of form work of concrete for pole and stay foundation. 0.2 Cum
44 25 M & L for PCC 1:3:6 type C-1 using 20 mm graded stone aggregate including use and waste of form work all as directed. 4 Cum
45 26 M & L for graded coarse aggregate (broken stone or boulders) of size 40 mm in sub - station yard for laying all as directed and specified. 15 Cum
46 27 M & L for PCC 1:2:4 type B1 using 20 mm graded stone aggregate including use and waste of form work for pole coping/ any description all as directed. 1 Cum
47 28 S & F in repairs cable jointing kit for 11KV grade cable for Outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 50 to 95 sqmm. (Make : 3M/Birla/Denson) 2 Each
48 29 Ditto all as per item No 28 here in before but of size 3 core 120 to 185 sqmm 2 Each
49 30 S & F in repairs cable jointing kit for 11KV grade cable for Indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 50 to 95 sqmm. (Make : 3M/Birla/Denson) 2 Each
50 31 Ditto all as per item No 30 here in before but of size 3 core 120 to 185 sqmm (Make : 3M/Birla/Denson) 2 Each
51 32 S & F in repairs cable jointing kit for 11KV grade cable for Straight through joint heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 50 to 95 sqmm. (Make : 3M/Birla/Denson) 2 Each
52 33 Ditto all as per item No 32 here in before but of size 3 core 120 to 185 sqmm (Make : 3M/Birla/Denson) 1 Each
53 34 M & L for painting of HT/LT panel of any description with one coat of synthetic enamel paint of standard colour code over the existing painted surfaces after preparing the old painted surfaces by using spray gun all as directed. 40 Sqm
54 35 Supply & Lay , testing and commissioning XLPE cable , PVC insulated, screened PVC bedded galvanised steel strip or wire armoured electric power cable, heavy duty with aluminium conductor 11000 Volts grade (earthed), 3 core 95 sqmm laid in trenches / floor / duct / fixed on poles / through GI tubing in different locations / areas complete 200 RM
55 36 Ditto all as per item No 35 here in before but of cable size 3 core 120 sqmm all as directed. 70 RM
56 37 S & F in repairs of Fe - 410-w (Gde-E-250) quality A Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment cut to required shape and size for cable duct or any other description complete all as directed. 70 Kgs
57 38 S & F in repairs post insulator suitable for 11 KV HT working pressure in GOD / DO arrangements of any description all as directed. 8 Each
58 39 Repairing / Servicing the Air break isolating switch HT 11 KV 200/400 Amps by replacing the defective major spares including provn of minor bolts nuts etc all as specified. \nNote :- Major spare will be measured & paid seperately under relevant item of Sch'A' 6 Job
59 40 Supply and fixing in repairs 11 KV Airbreak switch spares all as directed.
60 40.01 Male contact/moving Contact Blade 6 Each
61 40.02 Female contact/Fix Contact Jaw 4 Each
62 40.03 MS jumper carrier 6 Each
63 40.04 Back Connector plate 4 Each
64 40.05 Petroleum Jelly 5 Kg
65 41 Repairing / Servicing the Air break isolating switch HT 33 KV 200/400 Amps by replacing the defective major spares including provn of minor bolts nuts etc all as specified. \nNote :- Major spare will be measured & paid seperately under relevant item of Sch'A' . 2 Job
66 42 Supply and fixing in repairs 33 KV Airbreak switch spares all as directed.
67 42.01 Male contact/moving Contact Blade 1 Each
68 42.02 Female contact/Fix Contact Jaw 2 Each
69 42.03 Rotating contactor pipe 200A/400 A 2 Each
70 42.04 MS jumper carrier 2 Each
71 42.05 Back Connector plate 2 Each
72 43 Re- Stringing only existing HT 11/33 KV / LT OH line / Jumpers including dismantling of existing old binding wire for tightneing complete. Note: (a) Restringing of each wire shall be measured as in RM. (b) Supply and fixing in repairs binding wire shall be measured and paid separately. 2000 RM
73 44 M & L for PVC insulated armoured heavy duty single strand solid copper conductor electric cable with 1100 V grade with cross section area 12 Core 2.5 Sqmm all as direcetd. 40 RM
74 45 S & F in repairs drop out (DO) fuse unit expulsion type outdoor three pole 200 Amp suitable for HT 33 KV, comprising of 6 Nos post insulators, GI steel base mounting frame , GI nut bolts etc with 30A , HT barrel type fuse complete 1 Each set
75 46 S & F in repairs incl testing, and commissioning of gang operated type air break isolating switch horizontal / vertical type type mounting complete, double break and operation rod of suitable length 400 A capacity with 09 Nos post insulators and suitable for 33 KV HT supply, complete all as specified and directed. 1 Each set
76 47 S & F in repairs lighting arrestor Zinc oxide gap less type , station class suitable for 33 KV / 10 KA complete with all fittings all as specified and directed .(Make : M/s Crompton Greaves / M/s Lamco / M/s Elpro / M/s Oblum) 6 Each
77 48 S & F in repairs single post insulator, 33 KV with mounting spindle etc. complete. 6 Each
78 49 S & F in repairs Pin insulator, 33 KV with mounting spindle etc. complete. 12 Each
79 50 S & F in repairs disc insulator, 33 KV with hardware fittings etc. complete. 12 Each
80 51 M & L preparation of old painted external surfaces of HT 2 pole structures consisting of HT 11 Mtr steel pole, cross arms, GOD assy with pipe, DO fuse assy, clamps etc., of any description and applying one coat of Aluminium paint by mannualy all as directed. Note for item No 50 & 51 : This rate inclusive of painting all minor items such as clamps, brackets, nuts, bolts and washers which is not particularly mentioned in the structures & Each job will be measured and paid. 10 Each Job
81 52 Ditto all as per item No 51 here in before but for 4 pole structure all as directed. 8 Each Job
82 53 M & L preparation of old painted surfaces of HT 33/11 KV MRS (OLD SYSTEM & NEW MAP SYSTEM) at Old Air Field consisting of Steel poles / ISMBs, cross arms, GOD pipe,clamps etc., having of any description and applying one coat of \nNote : (a) This rate inclusive of painting all minor items such as clamps, brackets, nuts, bolts and washers which is not particularly mentioned in this item. (b) This painting work will be carried out during Holidays only to avoid elect shut down. 1 Each Job
83 54 M & L for removing vegitation, grass, scrubs, creepers and bushes growing in Sub station yard, around the poles/stays etc., along with fancing by mannually / mechanically and keep the sub station yard neat and clean complete all as specified and as directed. \nNote :- Unit rate quoted deemed to include to keep the installation neat and clean through out the period of contract and each cleaning will be measured and paid separately. 6000 Sqm
84 55 S & F in repairs incl testing of metering & protection current transformer Oil filled out door type of 33 KV capacity ratio 100-50/5 or 200-100/5 class=5P, 10/1 15 VA including dismantling old existing CT all as directed. Note : Calibration & testing record for the sane shoud be submitted by the contractor to Engg in charge.\n 2 Each
85 56 S & F in repairs cable end box heat shrinkable type outdoor type, suitable for XLPE cable 3 core, 185 sqmm, 33 KV HT supply, complete all as specified and directed. 1 Each
86 57 Dismantling old and burnt out PT unit 11000/110 volts draw out type epoxy resin cast type taking out contact with lead and bushing from the bus bar and PT, replacing by new one of same model suitable for 11 KV VCB incl testing on completion all as directed. 1 Each
87 58 M & L for Cutting and trimming of tree branches of girth 25 mm to 75 mm to 3 mtr all around of any size which is obstructing illumination of street light and touching LT / HT Over head line by using required tools and plants incl removing trimmed tree branches. (Note : Each cleaning will be measured and paid separetely) 300 Each
88 59 S & F in repairs insulating rubber mat ISI marked of size 1 m x 2 m x19mm suitable for 11 KV at 33 KV MRS Old Air Field 2 Each
89 60 Material and labour for replacement of temperature gauge suitable size for power transformer/AVR of any capacity all as specified and directed by Engr-in-charge. 6 Each
90 61 M & L for PVC sleeves suitable for LT / HT ACSR conductor / jumper in any type in R Y B Colours superior quality inserted over the existing ACSR all as directed. 120 RM
91 62 M & L for preparation of old surface, cleaning the surface of the Steel pole (HT) 11 Mtr long pole structures above the ground level incl coping area and painting with two coats of aluminum paint over a coat of red oxide primer on rest part of pole and its connected parts complete all as specified and derected by engr-in charge 40 Job
92 63 S & F in repairs bolted type LM 6 alloy aluminium rigid stud type terminal connector of type universal connector suitable for 33/11 KV type ACSR conductor / busbar all as directetd. 1 Each
93 64 S & F in repairs bolted type LM 6 alloy aluminium rigid pad type terminal connector for pad to conductor suitable for 33/11 KV type ACSR conductor all as directetd. 1 Each
94 65 S & F in repairs bolted type LM 6 alloy aluminium rigid parallel connector conductor to conductor suitable for 33/11 KV type ACSR conductor all as directetd. 1 Each
95 66 Taking out the existing HT AVR unit 11000 volts grade of Make : Yule Brentford carefully by dismantling all incoming & outgoing elect / mechanical connections lifting and transport to reputed work shop by means of using suitable tools & plants, opening the body of buck booster/AVR units find out the defects and Servicing, repair/removing incl replacing the defective spare parts and re-assembling complete all as specified and as directed. ( De-hydration of oil / new winding will be measured and paid under relavent item of this schedule ) The job involves the following :-\n\n(a) Dismantling & taking down carefully from plant room by disconnecting all electrical / mechanical connection from HT and LT side including transporting to work shop.\n(b) Opening the body of the AVR/buck booster units complete, drain out the oil, lift the cover and coil assembly, checking the serviceability state of spares such as moving carbon roller, windings, insulating oil, LT/HT elect connections, HT/LT bushings, HT/LT brass terminals, Tig & Tag connectors, chain rack, limit switch, bearings, couplings, motor, Micro processor based PCB card, CT/PT assy, Aux / Reversible contactors, Winding/Oil temp/Buchloz relays assy, earthing connections, copper strip, etc. and repair / replace the same of existing model/make and making fully serviceable state of AVR/Buck booster assy at site incl testing as per OEM specifications complete all as directed.\n(c) Cleaning the core laminations assembly by oil complete, removing the carbon sediments / dust in the coil and core gently without making any damage to coil and core.\n(d) Re-assembling all dismantled parts including provision of new gasket, nut, bolts, refilling with transformer oil and transporting back to original location including electric/mechanical connection testing and commissioning complete. 1 Each Job
96 67 Supply and fixing in repairs moving carbon rollers of existing size and make suitable for 2000 KVA AVR Unit 48 Each
97 68 Supply and fixing in repairs Tie & Tac brass connector suitable for 2000 KVA AVR Unit 48 Each
98 69 Supply and fixing in repairs Chain rack (double) incl bearing 4 Each
99 70 Supply and fixing in repairs Limit switch suitable for 2000 KVA AVR Unit 2 Each
100 71 Supply and fixing in repairs SS coupling suitable for 2000 KVA AVR Unit 1 Each
101 72 Supply and fixing in repairs Chain assy suitable for 2000 KVA AVR Unit 1 Each
102 73 Supply and fixing in repairs Synchronous motor suitable for 2000 KVA AVR Unit 1 Each
103 74 Supply and fixing in repairs PCB card suitable for 2000 KVA AVR Unit 1 Each
104 75 Supply and fixing in repairs PT unit 11000/110 volts suitable for 2000 KVA buck booster Unit 1 Each
105 76 Supply and fixing in repairs Reversible Contactor 3 pole 800 Amps suitable for 2000 KVA AVR Unit (Make : Yule Cat Part No PAK 600U (SPL) or equivalent 1 Each
106 77 Supply and fixing Winding temperature relay complete suitable for 2000 KVA AVR Unit 1 Each
107 78 Supply and fixing in repairs Oil temperature relay complete suitable for 2000 KVA AVR Unit 1 Each
108 79 Supply and fixing in repairs Buchloz relay assy complete suitable for 2000 KVA AVR Unit/Transformer 1 Each
109 80 Supply and fixing in repairs Copper strip of any size suitable for 2000 KVA AVR Unit 3 Kgs
110 81 Supply and fixing in repairs Connector Strip 16 way / 24 way suitable for 2000 KVA AVR Unit 2 Each
111 82 Supply and fixing in repairs Aux contactor suitable for 2000 KVA AVR Unit 2 Each
112 83 Taking down carefully the existing 11KV/433 V distribution transformer of capacity 100 KVA to 600 KVA by disconnecting HT overhead connection/underground cables and earth strips etc. from any substation / locations using suitable capacity of crane or by any other method irrespective of type of approach available, loading in vehicle, transportation to workshop for repairs and unloading carefully. Reloading the tranformer after repairs and testing of transformer; transportation to site and unloading including placing at given position and re-commissioning complete all as specified and directed by Engr-in-charge. Note : All the T&P required for disonnection, connection, loading and loading including necessary petty items like bolts, nuts etc will be arranged by the contractor and rates for the same deem to be included in the rates quoted. 5 Each Job
113 84 M & L for repairs toTransformer step down 11KV/0.433 KV any type of capacity 100 KVA to 250 KVA, after dismantling the transformer body carefully, opening the top cover of Transformer for inspection /repair, drain out the transformer oil from the tank complete, taking out the core and winding assy by disconnecting the internal connections, removing the carbon/sludge deposit in transformer housing core, renewal/replacement of u/s rubber bushes and washers , replacement of tap changer winding and thimbles, replacement of silica gel, replacement of top cover gasket set including pasting with pasting material, replacement of worn out nut and bolts, replacement of unserviceable LT & HT bushes, cutting the burnt out winding and re-winding the same with suitable size of super enamelled copper wire as per existing guage, insulating the winding connection by using fire proof sleeve and fire proof tape, warnishing the coil, keeping the coils in electric oven chamber for 24 hrs to remove the moisture, Painting of complete transformer body from outside and inside by weather proof type using spray gun, Marking of MES/SM Number etc, replacement of conservator tank glass, re-intalling the core and winding inside properly, making the all connection with suitable copper lugs, refilling of dehydrated transformer oil including dehydration, reinstalling the top cover after cleaning and painting of housing, conservator tank, expulsion vent etc, Meggering the LT and HT side of the Transformer and testing complete all as specified and directed by Engr-in-Charge. Note :- Winding wire including labour for making of coils and LT/HT bushes will be measured & paid seperately. 3 Each Job
114 85 All as per Srl item No 84 above but of capacity 11 KV/0.433 KV, 300 KVA to 600 KVA complete all as directed. 3 Each
115 86 M & L for discoonecting 33KV/11KV transformer of capacity 1000 KVA to 2000 KVA by removing HT overhead connection// UG cables and earth strips etc.taking out the transformer from any location by using suitable capacity of crane or by any other method irrespective of type of approach available, loading in vehicle, transportation to workshop for repairs and unloading carefully. Reloading the tranformer after repairs and testing of transformer; transportation to site and unloading including placing at given position and recommissioning complete all as specified and directed by Engr-in-charge. 1 Each Job
116 87 M & L for repair to Power Transformer 33/11 KV outdoor type of capacity 1000-2000 KVA after dismantling the transformer carefully, opening the top cover of Transformer for inspection /repair, draining out the transformer oil from the housing complete, removing the carbon/sludge deposit in transformer housing core, renewal/replacement of u/s rubber bushes and washers , replacement of tap changer motor's winding and thimbles, replacement of silica gel, replacement of top cover gasket set including jointing with pasting material, replacement of worn out nut and bolts, replacement of unserviceable LT & HT bushes, keeping the coils in electric oven chamber for 48hrs to remove the moisture content, replacement of temp guages of oil and winding, Painting of complete transformer body from outside and inside, Marking of MES/SM Number etc, replacement of conservator tank glass, re-intalling the core and winding inside properly, making the all connection with suitable copper lungs, refilling of dehydrated transformer oil including dehydration, reinstalling the top cover after cleaning and painting of housing, conservator tank, expulsion vent etc, Meggering the LT and HT side of the Transformer and testing complete all as specified and directed by Engr-in-Charge. 1 Each Job
117 88 Supply and filling of fresh transformer power oil of BDV not less than 50 KV for topping up of reduced level of transformer due to evaporation/ leakage/losses due to dehydration in HT 33 KV transformer/HT 11 KV AVR /Distribution transformer 100 to 600 KVA or for replacement complete including removing of old unservicable transformer oil all as specified and directed. Note : Necessary documents should be submitted by the contractor to Engr In Chrge. 2200 Ltrs
118 89 M & L for conducting oil filtration by stream line / Vacuum type filter machine to remove the moisture/carbon particles to improve required BDV of oil 50 to 60 KV for 1 min for power transformer & as BDV of oil 40 to 50 KV for 1 min for distribution transformer incl routine testing after filtration for any capacity of transformers/AVR/CT/PT units all as directed. (Note : The contractor shall change the filter assy before starting the filtration of transformer / AVR of capacity 600 KVA and more capacities in presence of Engr In charge) Note : Necessary documents should be submitted by the contractor to Engr In Chrge. 19000 Ltrs
119 90 M&L for Earthing complete with GI earth plate 60x60cmx6mm thick electrode and 32x6mm GI strip as earthing lead burried directly in ground (Earth pit not less then 2.25 metres deep below ground level) with top edge of the plate not less then 1.5 metre below normal ground level, conneceted to GI strip 32x6mm as earth lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No.5 and incl earth work, PCC pit and RCC cover, watering pipe 20mm dia light grade, funnel, wire mesh, charcoal dust, 40mm dia light grade protection pipe and salt etc and connected to earthing test point all as specified or directed and testing complete all as specified. 7 Each
120 91 M&L for replacement off load tap changer for distribution transformer of any make and capacity from 200-600 KVA 2 Each
121 92 M&L for super enamelled copper conductor wire of suitable gauge and size as per requirement for rewinding the HT/LT transformer / HT AVR of any capacity / any make complete all as directed. 1219 Kg
122 93 M&L for super enamelled aluminium conductor wire of suitable gauge and size as per requirement for rewinding the LT transformer/AVR of any capacity / any make complete all as directed. 300 Kg
123 94 Material and labour for replacement of brass terminal rod with nuts,bolts washers & bushings suitable for 33KV side of power transformer of any make and capacity from 1000KVA to 2000 KVA complete. 6 Each
124 95 Material and labour for replacement of brass terminal rod with nuts,bolts washers & bushings suitable for 11KV side of power transformer of any make and capacity from 1000KVA to 2000 KVA complete. 3 Each
125 96 Material and labour for replacement of bush type insulator white/brown/green working pressure 11000Volts HT side all as specified and directed by Engr-in-charge. 6 Each
126 97 Material and labour for replacement of bush type insulator white/brown/green working pressure 433 Volts LT side all as specified and directed by Engr-in-charge. 12 Each
127 98 M & L for servicing and repairing of OLTC (ON load Tap changer) for 33 KV Transformer by disconnecting and dismantling all burnt out cables / fuses/ relays / contactors, toggle switch/knobs /indicators/reading units and other accessories repairs / replace the unserviceable items and making the OLTC serviceable condition and connecting back to its original position all as directed. 2 Each Job
128 99 Material and labour for replacement of brass terminal rod with nuts,bolts washers & bushings suitable for HT side of the transformer of any make and capacity from 100KVA to 300 KVA complete. 6 Each
129 100 All as per item No 99 above but LT side. 6 Each
130 101 Material and labour for replacement of brass terminal rod with nuts,bolts washers & bushings suitable for HT side of the transformer of any make and capacity from 315 KVA to 600 KVA. 6 Each
131 102 All as per item 101 above but LT side. 6 Each
132 103 Supply and replacing silica gel breather clear view type including first fill of good quality silica gel of capacity suitable for 100 KVA to 300 KVA transformer. 7 Each
133 104 Supply and replacing silica gel breather clear view type including first fill of good quality silica gel of capacity suitable for 315 KVA to 600 KVA transformer. 6 Each
134 105 M & L for painting the outer surface of the transformer with one coat of weather proof paint after preparing the surface dust and oil free and cleaning the bushes, name plate etc paint free after painting including writing the MES/SM No with white enamelled paint all as directed for capacity of transformer 100 KVA to 600 KVA (Indoor/outdoor type). 6 Each Job
135 106 Ditto all as per item No 105 here in before but for capacity of transformer 1000 KVA to 2000 KVA (Indoor/outdoor type). 4 Each Job
136 107 Supply and replacing silica gel breather clear view type including first fill of good quality silica gel of capacity suitable for 1000 KVA to 2000 KVA transformer / AVR units. 4 Each
137 108 M & L for servicing of 33 KV VCB / 11KV VCB / bus coupler by dismantling cleaning greasing the complete VCB with attached relays bus bar etc insulation testing, setting the contact gap by measuring as required reassembling the VCB and reinstalling back to its original position checking and repairing the current circuit panel wiring, replacement of new spares as required complete including operational testing and commissioning all as directed. (Note : New spares will be measured and paid separately under relavent item of this schedule) 20 Job
138 109 M & L for carrying out primary & secondary injection test of 33 KV or 11 KV indoor /outdoor type current transformer (Set of three) of VCB's by using standard injection test method and checking the electrical circuits for fault condition, all relay testing and proper functioning incl submitting the test report all as directed by Engr in charge. (Note : PIT/SIT for VCB will be carried out in 6 months intervals and each primary & secondary injection test will be measured and paid) 30 Each
139 110 Supply only D.O fuse elements 11 kv grade having fire resistant tube and soldred joint with ferrule, 24 .5" long crimped joint, stranded silver/tin coated copper wire of 2.5 to 25 A capacity 290 Each
140 111 Ditto all as per item No 110 here in before but 30 A to 40 A capacity 149 Each
141 112 Ditto all as per item No 110 here in before but 50 A capacity 100 Each
142 113 Supply only D.O fuse elements 33 kv grade having fire resistant tube and soldred joint with ferrule, 33" long crimped joint, stranded silver/tin coated copper wire of 2.5 to 25 A capacity 149 Each
143 114 Ditto all as per item No 113 here in before but 30 A to 50 A capacity 99 Each
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