Military Engineer Services-MES has published Tender For Repair Maintenance Of Distribution Transformers Power Transformers Vcbs Ht Panel At Af Station Amla. Submission Date for this Tender is 09-02-2024. Power Transformer Tenders in Betul Madhya Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 20-Jan-2024 | Corrigendum No 01 | Date | 02-02-2024 |
| 2 | 20-Jan-2024 | Corrigendum No 01 | BOQ | 02-02-2024 |
| 3 | 02-Feb-2024 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 09-02-2024 |
| Sl. No. | Item Description |
| 1 | Material & labour for on load filtration of transformer oil by continuous circulation of transformer oil through mechanical filters to achieve the desired dielectric strength of 40-60 KV for one minute at 2.5 mm gap including filtration of new transformer oil required for top up to oil conservator level complete all as specified. Notes: (i) Oil samples are to be collected from top and bottom of oil tank and test results to be submitted by the contractor for each sample before and after filtration. (ii) New transformer oil required for top up will be measured & paid separately under item No 2. |
| 2 | Supply and topping up newtransformer oil as per IS-335 of dielectric strength 60 KV at 2.5 mm gap in transformersof various capacityinstalled in various locations complete all as directed . Notes : (i) New Transformer oil in the transformer will be filled in the transformeronly after filtration and dehydration of existing transformer oil of the transformer. (ii) Transformer oil shall be supplied in sealed barrel with test result and test certificate to be submitted by the contractor. |
| 3 | Taking out old/ exhausted silica gel from transformer breather, cleaningof the breather assembly, supply and filling new silica gel in the breather complete re-fixing ofthe breather assemblywith the transformer complete all as specified and as directed. |
| 4 | Supply and fix in repairs breather assemblyof the transformer of01 KGcapacity, any shape, any dia suitable to fit for existing transformer assembly, complete all as specified and as directed. Note : Shape/type should be as per existing transformer at site. |
| 5 | Supply and fix in repairs breather assemblyof the transformer of1/2 Kg capacity, any shape, any dia suitable to fit for existing transformer assembly, complete all as specified and as directed . Note: Shape/type should be as per existing transformer at site. |
| 6 | Disconnect ofElectric supply, GI / Copper strip and taking down distribution transformer carefullylifting by crane.Transporting the transformer safely to theworkshop and back for repair. Re- install, re - connect of electric supply, GI / Copper stripand testing on load all as specified and as directed for the followingcapacity of transformers:- |
| 7 | Capacity 200 KVA to 400 KVA |
| 8 | Capacity 50 KVA to 150 KVA |
| 9 | Opening the top of the Distribution transformer 11KV/430 Volts, draining out transformer oil, cleaning the internal portion of tank, core and connections by mechanical means and force feeding of transformer oil and flushing out deposits, sludge etc, and closing the top complete all as specified and directed for the following capacity of transformers:- |
| 10 | Capacity 200 KVA to 400 KVA |
| 11 | Capacity 50 KVA to 150 KVA |
| 12 | Material and labour for Rewinding of transformer of capacity 50 KVA to 500 KVA,Step up / down, HV Coils completewith existing size/ electrolytic copper conductor design with TPL covering, re-assembling of newly wounded coils on core in position including re- insulation oven baking and testing completeall as specified & directed. |
| 13 | Material and labour for Rewinding of transformer of capacity 50 KVA to 500 KVA,Step up / down, LV Coils completewith existing size/ electrolytic copper conductor design with TPL covering, re-assembling of newly wounded coils on core in position including re- insulation and testingcompleteall as specified & directed. |
| 14 | Material and labour for replacement of unserviceable gaskets with Neoprene sheet 6 mm thick, nut bolts washers complete all as specified and directed. |
| 15 | Material and labour for preparation of surfaces and painting of transformersany capacity by spraying with two coats of synthetic enamel paint of approved colour complete all as specified and directed. |
| 16 | Material and Labour for replacement of HT bushings with brass rod of size suitable for following capacity Transformer, including cork sheet gaskets, complete all as specified and directed for the following capacity of transformer :- |
| 17 | Capacity 200 KVA to 400 KVA |
| 18 | Capacity 50 KVA to 150 KVA |
| 19 | Material and Labour for replacement of LT bushings with brass rod of size suitable for following capacity Transformer, including cork sheet gaskets, complete all as specified and directed for the following capacity of transformer :- |
| 20 | Capacity 200 KVA to 400 KVA |
| 21 | Capacity 50 KVA to 150 KVA |
| 22 | VCBs |
| 23 | Material and labour for servicing & testing on/off load of HT VCBs 11 KV (Make : Easun Reyrolle) decarbonising complete contact points, meggering, relay setting by current injection method, re-setting of trip time delay etc including oiling/greasing to movable parts and replacement of burnt/unserviceble parts, replacement of neoprene gasket of the panel shutters including checking of control wiring all as specified and directed. Note : Spares shall be be measured and paid separately under supply only items |
| 24 | Supply only the following items during servicing/repair of HT VCB 11 KV all as directed:- |
| 25 | HBC fuse links HT 12 KV AC 10 A/20A/25A |
| 26 | Heater unit, 230 volts, with thermostat complete with wiring suitable for 11 KV HT VCBs |
| 27 | LED Indication Lamps/Trip Fuse Button |
| 28 | Epoxy insulators HT 11 KV suitable for providing spacing between bus bar and panels of 11000 volt grade, shape as per existing at site all as directed. |
| 29 | Digital voltmeter for HT panel/HT VCB 11 KV all as specified and as directed. |
| 30 | Digital Amp meter for HT panel/HT VCB 11 KV all as specified and as directed. |
| 31 | Jaw contacts of HT VCB 11 KV as per existing one. |
| 32 | Shunt trip coil 30V DC suitable for 11 KV indoor type VCB including testing on load. |
| 33 | Closing coil 30 V DC suitable for 11 KV outdoor type VCB including testing on load. |
| 34 | HBC fuse links HT VTF for PTs 11 KV |
| 35 | Vaccum Interrupter 12 KV, 2000A, 20.3 KA rating. Make : Bharat Electronics Model - VS12014 |
| 36 | Neoprene gasket self adhesive of size 25mm x v6mm for the existing HT VCB panels. |
| 37 | Spring charge motor 230 volt DC suitable for VCB (Easun Reyrolle limited) type EVB 1225, rated voltage 11 KV, 400 Amp, 13.4 KA rating. |
| 38 | HT panel shutter/base plate made up of 2mm CRCA sheet as per existing size including neoprene gasket and screws as per existing bore size in order to ensure complete packing of the HT panel all as specified and as directed. |
| 39 | CT for HT 11 KV of ratio 5/50/5/100 Amp as per existing size and shape all as specified and directed. |
| 40 | TNC switch suitable for auxillary supply 24V DC. Make : Switron |
| 41 | Servicing and testing on/off load of potential transformer 11 KV top mounting type of the incomer 11 KV VCB panel ratio 11 KV/110 V class 0.5 complete all as specified and directed. Note:Spares shall be measured and paid under supply only items. |
| 42 | Supply only the following items complete all as directed. |
| 43 | 11 KV PT HRC Fuse 11000 Volts rating, 2 Amps |
| 44 | Push type contacts suitable for 11 KV PT |
| 45 | Spouts for 11 KV PT. |
| 46 | Bushings for 11 KV PT. |
| 47 | Servicing and testing on/off load of HT VCB 33 KV (Make : Areva/CG) breaking capacity 25 KA, 36 KV, 800/1250 Amp rating decarbonising complete contact points, meggering, all HT insulators including oiling/greasing to moveable parts and replacement of burnt/unserviceable parts including checking of control wiring all as specified and as directed. |
| 48 | Dismantling the mechanical components of the 11 KV VCB (Make : Easun Reyrolle) & replacement of gear assembly, refixing including oiling/greasing of all moveable parts including testing of complete breaker operation all as specified and directed. |
| 49 | Servicing and testing on/off load of HT 33 KV CTs/PTs, single phase including top up of oil complete all as specified and directed. Notes :1.Spares shall be measured and paid under supply only items. 2.Test reports of CTs & PTs shall be submitted to Engr-in-Charge by the contractor. |
| 50 | Supply only brass/copper stud size 30mm dia alongwith suitable nuts & washers. |
| 51 | Supply only pad connector (Aluminium alloy) |
| 52 | Supply only and fill insulation oil suitable for 33 KV rating CT/PT |
| 53 | Servicing and testing on/off load of HT VCB Outdoor 33 KV switching and mechanism assembly complete all as specified and directed. Note :Spares shall be measured and paid under supply only items. |
| 54 | Supply only the following items complete all as directed. |
| 55 | Vaccum Interruptor 33 KV, 800 Amps |
| 56 | Tripping Coil 30V DC |
| 57 | Closing Coil 30V DC |
| 58 | Spring Charging motor 230V AC |
| 59 | Taking out old bus bar from existing HT VCB 11 KV and replacment of new copper tined coated bus bar size 60 mm flat x 08 mm thick with HT insulation including steel nuts, bolts and washers complete all as specified and directed. |
| 60 | Servicing & testing on/off load of HT 33 KV control relay panel with Schneider Make 3 phase over current earth fault numeric relay MICOMP111, 6 Nos Alstom make make auxillary relays, 01 No Alstom make master trip relay operation DC voltage 30 volt DC including primary current injection for its best tripping operation and checking of DC circuits simultation check of all auxillary relays for its trip/alarm signal complete all as specified and directed. Notes : 1.Test Reports of control relay panel shall be submitted to Engr-in-Charge by the contractor.2.Spares replaced shall be measured and paid under relevant items hereinafter. |
| 61 | Supply only TNC switch suitable for auxillary voltage 30V DC. Make : L&T |
| 62 | Supply only Auxillary relay 30V DC rating Model : VAA33ZG8344BCH of Alstom make. |
| 63 | HT 11 KV GOD/DO SWITCHES |
| 64 | Taking out old unserviceable parts of Air break isolating switches (GOD) rating 11 KV and S&F of the following parts complete all as specified and directed. Make :Jaipuria Brothers. |
| 65 | Male contact/moving contact blade. |
| 66 | Female contact/fix contact jaw |
| 67 | MSJumper carrier |
| 68 | Back connector plate |
| 69 | Taking out old unserviceable parts of Drop out fuse unit rating 11 KV and S&F of the following parts all as specified and directed. Make :Jaipuria Brothers. |
| 70 | SRBP tube with metal fitting on both ends. |
| 71 | Fix top/bottom contact |
| 72 | Supply and fix in repairs11 KV switch air break, gang operated triple pole,mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 Amps. Make :Jaipuria brothers |
| 73 | Supply and fix in repairs DO fuseexpulsion/drop out fuse unit with brass contactos and fuse barrel suitable for 11 KV system triple pole of rating 200A complete with all fittings all as specified and as directed. Make : Jaipuria brothers. |
| 74 | HT 33 KV ISOLATORS |
| 75 | Supply and fix in repair isolator 33 KV horizontal type, rating 200 Amp, triple pole, outdoor type including steel frame with operating mechanism worked from ground level complete including taking down of old isolator all as specified and as directed. Make :Jaipuria Brothers. |
| 76 | M&L for servicing of isolator 33 KV horizontal type, triple pole outdoor type including cleaning contacts, removing carbon, adjusting the fixed and moving contacts, guides, applying petroleum jelly for easy operation all as specified and as directed. Note : Spares shall be measured and paid undersupply only items. |
| 77 | Supply only Pad connector (Aluminium alloy) |
| 78 | Supply only Male contact rod with clamps & Nuts, bolts. |
| 79 | Supply only Female fix contact jaw |
| 80 | XLPE HT/LT UG CABLES |
| 81 | Taking down/out old unserviceable HT UG cable of any sizes from trenches/ducts/pole complete all as specified and directed. |
| 82 | Supply and laying in trenches XLPE insulated, screened, PVC bedded, galvanised steel wire armoured, electric power cables (heavy duty) with aluminium conductor, 11000 Volts grade of the following sizes :- Note : Excavation and earth work shall be measured and paid separately. |
| 83 | 3 core, 95 Sqmm |
| 84 | 3 core, 120 Sqmm |
| 85 | XLPE HT UG CABLE JOINTING KIT/STRAIGHT THROUGH JOINTS |
| 86 | Supply and fix in repairs jointing kit for 11 KV (Earthed) 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 the following sizes :- |
| 87 | 50 Sqmm to 95 Sqmm |
| 88 | 120 Sqmm to 185 Sqmm |
| 89 | Supply and fix outdoor cable end termination joint heat shrinkable type for HT XLPE 11000 volt grade with Aluminium lugs and gland packing complete, including testing on load suitable for 3 core XLPE armoured aluminium cable all as specified and directed. |
| 90 | 120/185 Sqmm |
| 91 | 95 Sqmm |
| 92 | Supply and fix in repairsfor cross arms, bracing, 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 including two coats of aluminium paint over a coat of red oxide paint complete all as specified and as directed. |
| 93 | Material and labour for craddles, hexagonal/rectangular, fabricated with galvanised steel wire 3.15 mm or 4mm dia complete all as specified and as directed. |
| 94 | Dismantling old steel poles/struts, any size complete all as diretced. |
| 95 | Supply and fix steel tubular swaged poles 11.0 metres long, type 410 SP-55, with cast iron base plate, finial taper plug, bolts, nuts and screws complete all as specified and directed. |
| 96 | Supply and fix in repairs for Pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 150 mm height, 150 mm dia for 11000 volts grade complete all as specified and as directed. |
| 97 | Supply and fix in repairs for Disc type insulator, porcelain, vitreous 145 mm high and 255 mm dia ball and socket type, white brown or green "Two -in-series" assembly for tension with tension clamps for conductors, working pressure 11000 volts complete all as specified and as directed. |
| 98 | Supply and fix in repairs for stay assembly as shown in electrical plate No 1 of SSR part I comprising of 7/3.15 mm galvanised mild steel stranded stay wire of required length fixed to pole with and including FI clamps of size 50x6 mm, bolts, nuts, washers, stay rod of 20 mm dia 2.15 mtrs long, stay bow with nuts bolts washers, galvanised steel plate 230x230x6 mm including loop insulators over all dimensions 140 mm clearance of hole 25.5 mm complete all as specified and directed. |
| 99 | Material and labour for lightening arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp suitable for 11000 volts complete all as specified and as directed. Make :Jaipuria brothers/Lamco/Oblum. |
| 100 | Material and labour for aluminium conductor steel reinforced for overhead line, fix on pole or for jumper connections, fixing to the insulators by means of necessary binding with 14 SWG wire complete all as specified and as directed. |
| 101 | Supply and fix HT cable mild steel route marker with angle of size 35mmx35mmx5mm and 600 mm long complete all as specified and as directed. Note :-Earth work and PCC work shall be measured and paid separately. |
| 102 | Material and labour for earthing complete with GI earth electrode 60 cm x 60 cm x 6 mm thick and burried directly in ground (earth pit not nless than 2.25 meters deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level, connected to GI earth plate with GI strip of size 25x4 mm by means of bolts, nuts and washers all as shown in electrical plate No.3 complete all as specified including excavation and earth work in any type of soil, PCC pit (1:3:6) type C-1 in cement concrete 40 mm thick precast RCC cover in (1:2:4) type B-1 reinforced with 8 mm dia MS round bar @ 75 c/c both ways with 01 No lifting handle of 12mm dia MS plain bar, GI pipe 32 mm dia light grade for GI strip protection up to 7.5 mtr and GI tubing 20 mm for watering including GI funnel with wire mesh etc complete all as specified and directed. Note : GI strip of size 25 x 4 mm beyond 7.5metre shall be measured and paid separately |
| 103 | Material and labour galvanised iron strip as earth continuity conductor or main earthing lead of size 25 x 4 mm complete all as specified and as directed. |
| 104 | Material and labour earthing complete with copper earth plate electrode 60 cm x 60 xcm x 3.15 mm thick and burried directly in ground (earth pit not less than 2.5 meters deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level, connected tocopper earth plate with copper strip of size 20 x 3 mmby means of bolts, nuts and washers all as shown in electrical plate No.3 complete all as specified including excavation and earth work in any type of soil, PCC pit (1:3:6) type C-1 in cement concrete 40 mm thick precast RCC cover in (1:2:4) type B-1 reinforced with 8 mm dia MS round bar @ 75 c/c both ways with 01 No lifting handle of 12mm dia MS plain bar, GI pipe 32 mm dia light grade for copper strip protection up to 7.5 mtr and GI tubing 20 mm for watering including GI funnel with wire mesh etc complete all as specified and directed. Note : Copper strip of size 20 x 3 mm beyond 7.5metre shall be measured and paid separately |
| 105 | Material and labour copper strip as earth continuity conductor or main earthing lead of size 20 x 3 mm complete all as specified and as directed. |
| 106 | Excavation in trenches not exc. 1.5 Mtrs wide and not exc. 1.5 mtr deep and getting out in hard/dense soil complete all as directed and specified. |
| 107 | Excavation in trenches, not exceeding 1.5 m wide and exceeding 1.5 m but not exceeding 3.0m in depth; for laying cables and getting out in hard/dense soil complete all as specified and directed. |
| 108 | Returning filling in including spreading levelling watering and well ramming in layers not exc 25 cm thick all as specified and directed. |
| 109 | Removing of surplus excavated materials to a distance not exceeding mo mtr and deposting where directed at a level not exc. 1.5 mtr above the starting point all as specified and directed. |
| 110 | Supply and spread dry river washed sand free from foreign material in trenches for cable cushioning all as specified and directed. Note: For payment purpose punned thickness of sand only will be measured & paid. |
| 111 | Supplying and laying un-reinforced precast concrete cable cover, class HVP, type 1, with peak, size 300mm x 180mm x 40mm complete all as specified and as directed. |
| 112 | Supply and lay,GI tubing size 80 mm dia light grade laid in trenches/fixed to poles, walls etc as protection of service cable complete all as specified and directed. Make : Tata/Jindal/Prakash Surya |
| 113 | Material and labour for providing horizontal bore hole of dia upto 150 mm below road/hard standing surface for the lenngth upto 12 meter and inserting GI/PVC pipe into the bore hole as cable protection complete all as specified and as directed. Note :- Cable protection pipe shall be measured and paid separately under relevant item. |
| 114 | Material and labour for cement concrete 1:3:6 type C2 using 40 mm graded stone aggregate as in foundation filling and mass concrete complete all as specified and as directed. |
| 115 | Material and labour for cement concrete 1:2:4, type B1 using 20 mm graded stone aggregate for coping including form work etc complete all as specified and directed. |
| 116 | Material and labour for plain cement concrete 1:4:8, type D2 using 40 mm graded stone aggregate as in foundations, filling and mass concrete, complete all as specified and as directed. |
| 117 | Re-stringing and stretching of OH line of ACSR 11 KV rating conductor on 11m height steel tubular pole including pruning of tree branches and cleaning of insulators and aluminium wire within the span of 60m for binding complete all as specified and directed. Note :One RM/span is measured as one RM span of 3 Nos conductors. |
| 118 | Supply and fix for PVC sleeves (Red/Yellow/Blue) for jumper connections and connector on poles at sub stations complete all as specified and directed. |
| 119 | Material and labour for painting of poles of 2 pole structure with two coats of aluminium paint inlcuding preparation of surfaces complete all as specified and as directed. |
| 120 | All as per ser item No 62 above but of 4 Pole structure complete. |
| 121 | Note : The amount against Schedule of Credit on Page No. 41 shall be deducted from the total amountquoted against Sch "A"while deriving lum Sum for Acceptance. |
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