Military Engineer Services-MES has published Tender For Special Repairs To Transformers Lt Panels And Connected Accessories At Rms. Submission Date for this Tender is 03-03-2023. Transformer Supply Tenders in Dimapur Nagaland. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 14-Feb-2023 | Date | Date | 02-03-2023 |
| 2 | 20-Feb-2023 | BOQ | BOQ | 02-03-2023 |
| 3 | 20-Feb-2023 | Date corrigendum | Date | 03-03-2023 |
| 4 | 21-Feb-2023 | Other | Other | 03-03-2023 |
| Sl. No. | Item Description |
| 1 | Taking down carefully the existing 11KV/433 V distribution transformer of capacity 63 KVA to 600 KVAby disconnectingHT overheadconnection/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 transformer 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 disconnection, connection, arrangement of transportation, and crane for loading and unloading 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. |
| 2 | M & L for repairs to transformer step down 11KV/0.433 KV any type of capacity 63 KVA to 300 KVA, after dismantling the transformer body carefully, opening the top cover of Transformer for inspection /repair, drain out the transformer oilfrom the tank complete, taking out the core and winding assy by disconnecting the internal connections, removing the carbon/sludge deposit in transformer housingcore, 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 :- Re-winding and new spares will be measured & paid seperately under relevent item of this schedule. |
| 3 | All as per Srl item No 02 above but of capacity 11 KV/0.433 KV, 300 KVA to 600 KVA complete all as specified and as directed. |
| 4 | Supply only new transformer oil of dielectric strength not less than 60 KV and conforming to IS-335 of 1993 for filling / topping up of transformer up to desired level including core washing complete all as specified and directed. |
| 5 | Material and labour for conducting oil filtration by stream line / Vacuum type filter machine to improve required BDV incl routine testing after filtration for any capacity of transformers complete all as specified and as directed. |
| 6 | Supply only brass terminal rod with nuts,bolts washers & bushings suitable for HTside of the transformer of any make and capacity from 100 to 250KVA complete all as specified and as directed. |
| 7 | Supply only brass terminal rod with nuts,bolts washers & bushings suitable for LTside of the transformer of any make and capacity from 100 to 250KVA complete all as specified and as directed. |
| 8 | Supply only 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 complete all as specified and as directed. |
| 9 | Supply only brass terminal rod with nuts, bolts washers & bushings suitable for LT side of the transformer of any make and capacity from 315 KVA to 600 KVA complete all as specified and as directed. |
| 10 | Supply only silica gel breather clear view type including first fill of good quality silica gel of capacity suitable for 100 KVA to 250 KVAtransformer complete all as specified and as directed. |
| 11 | Supply only silica gel breather clear view type including first fill of good quality silica gel of capacity suitable for 315 KVA to 600 KVAtransformer complete all as specified and as directed. |
| 12 | Supply only silica gel breather clear view type including first fill of good quality silica gel of capacity suitable for 2.5 MVA to 6 MVA (outdoor type) complete all as specified and as directed. |
| 13 | Materials and labour for earthing complete with galvanised iron earth plate electrode 600 mm x 600 mm x 6 mm thick, burried directly and preferably vertically in ground, earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 m below ground level connetced with galvanised iron of 32X6mm diaby means of nuts, bolts, check nuts and washers made of galvanised iron or steel earthing lead to be protected by galvanised iron pipe of 40mm bore (light grade) and other end connected to earthing test point or lightening arrestor or main controlling switch as directed including providing funnel with 20mm bore galvanised iron pipe (medium grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10mm dia) including necessary earth work in excavation, returning filling and removal of surplus earth upto a distance not exceeding 50 m etc all as shown on electrical plate No. 3 of MES Schedule Part-I(2009)including taking down old unserviceable GI plate and earth lead complete including testing on completion including testing on completion including taking out unserviceable earthing plate and accessories all as specified and as directed. (Note: The rate Earth lead upto 7.50 metere from earth plate shall be deemed to be included in quoted rate.) |
| 14 | Supply only off load tap changer for distribution transformer of any make as approved by GE and capacity from 100-400 KVA complete all as specified and as directed. |
| 15 | M&L for super enamelled copper conductor wire of suitable gauge and size as per requirement for rewinding the transformer of any capacity / any make as approved by GE complete all as specified and as directed. |
| 16 | Supply only bush type insulator white/brown/green working pressure 11000Volts HT sidecomplete all as specified and as directed. |
| 17 | Supply only bush type insulator white/brown/green working pressure 433 Volts LT side complete all as specified and as directed. |
| 18 | Material and labour for Masonry Platform for Transformer, of size 2.50 m x 2.50 m and 1.50 m height above ground level and 0.60 m below ground level with Brickwork with old size Fly Ash Bricks in Cement Mortar 1:6 including excavation and earth work in soft/loose soil, 100mm thick, PCC 1:4:8, Type D2, using 40mm graded aggregate for foundation, 40 mm thick PCC, 1:2:4, Type B1, using 20mm graded aggregate Copingover 75mm thick PCC 1:4:8, Type D2, using 40mm graded aggregate Sub base over approved earth filling and rendering in CM 1:4, 20 mm thick over brick walls and applying three coats of white wash including brick step on one side complete all as specified and as directed. |
| 19 | Dismantling Fencing Wire Mesh of any type complete all as specified and as directed. |
| 20 | Supply & Fix Mild Steel work conforming to Fe - 290, Grade E-165 as in Hand Rails, Platforms, half round or other stock section or core for wooden hand-rail straight portion, drilled and countersunk for Balusters Running Bars, for Doors, Balusters, Nosing to Steps including embedding in concrete and screwing etc., Wind Ties for roof including securing bolts, Posts and Struts in Fencing including cutting tops to shape as directed, bendingto shape, notching for wire, drilling holes or as in flat iron fillets [forsecuring wire mesh and barbed wire etc.] including all necessary drilling, bolting or riveting, etc. and similar work complete all as specified and directed. |
| 21 | Material & Labour for PCC 1:3:6, Type C-2, using 40mm graded stone aggregate as in Foundation, Fillings, Mass concrete, Footings etc complete all as specified and as directed. |
| 22 | Supply & Fix of MS Round bars 10mm dia and over, cut to length, bent to shape and binding with MS wire as in Running Bars for Chain Link Fencing complete all as specified and as directed. |
| 23 | Supply & Fix of MS machine made screw bolts with hexagonal or square head one end and screwed other or screwed both ends, fitted with washers and one hexagonal or square nut exceeding 5 cm long and not exceeding 5 cm long, dia of neck exceeding 5 mm but not exceeding 10 mm complete all as specified and as directed. |
| 24 | Material & Labour for two coats of Synthetic Enamel paint over one coat of Red Oxide Primer on new steel surfaces over 10cm width or girth including preparation of surfaces complete all as specified and as directed. |
| 25 | Supply only Chain link MS galvanised fencing, any size or type, complete all as specified and as directed. |
| 26 | Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc. including provision of binding wire complete all as specified and as directed. Note: Supply only chain link fencing shall be measured & paid separately. |
| 27 | Excavation in post holes each not exceeding 0.5 Cu.m, getting out in Soft / Loose soil, including returning, filling in and ramming earth or broken rubble mixed with earth around in layers not exceeding 25cm thick, watering and removing surplus soil to a distance not exceeding 50m and making good surface complete all as specified and as directed. |
| 28 | Excavation in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in soft/loose soil etc complete all as specified and as directed. |
| 29 | Returning, filling in, of soft/loose soil including spreading leveling, watering and well ramming in layers not exceeding 25 cm complete all as specified and as directed. |
| 30 | Removing excavated soil to a distance n.exc 50M and deposited/ spreaded where directed at a level n. exc 1.5 M above the starting point completeall as specified and as directed. |
| 31 | Material & Labour for rendering to brick / concrete surfaces, 15 mm thick in Cement Mortar 1:4 and finishing the top surface even and smooth without using extra cement complete all as specified and as directed. |
| 32 | Material & Labour for preparation of newly plastered wall surfaces and applying two coats of Cement Based paint over a coat of Alkali Resistant Primer complete all as specified and as directed. |
| 33 | Material and labour forbrick work with sub class `B` bricks, old size,straight or curved on plan exc 6m mean radius built in cement mortar (1:6) complete all as specified and as directed. |
| 34 | Supply & Fix Mild Steel work confirming to Fe - 290, Grade E-165, as in framed work such as Grills, Gratings, Ladders etc with ends of bars shouldered and/or riveted, or forged into spikes, framed Guard Bars, Barred Iron Doors, Ladders, framed Balusters, Walk Ways, Railings, framework of Water Tanks and similar work complete all as specified and as directed. |
| 35 | Supply only temperature gauge suitaible size for transformer of any capacity complete all as specified and as directed. |
| 36 | Material & Labour for replacement of cross arms, bracing, support clamps and back plate fabricated out of structural steel sections incl nuts, boils, washers, welding bending hot or cold, cutting, drilling holes for bolts in any shape or size as indicated or directed incl painting with 2 coats of aluim paint over a coat or red oxide primer complete all as specified and as directed. |
| 37 | Material & Labour for servicing and repairing of remote controlled OLTC (ON load Tap changer) for 11 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 with new items as required and making the OLTC serviceable condition and connecting back to its original position complete all as specified and as directed. |
| 38 | Material & Labour 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 necessary preparation of the existing painted surfaces by using spray gun complete all as specified and as directed. |
| 39 | Supply & Fixing of MCCB 4 Pole, current rating of 400 A, adjustable type, over load and short circuit protection with Micro processor release setting having breaking capacity 36 kA at 415V, 50Hz complete all as specified and as directed. |
| 40 | All as per Srl item No 39 above but of capacity 350A complete all as specified and as directed |
| 41 | All as per Srl item No 39 above but of capacity 250A complete all as specified and as directed |
| 42 | All as per Srl item No 39 above but of capacity 200A complete all as specified and as directed |
| 43 | All as per Srl item No 39 above but of capacity 160A complete all as specified and as directed |
| 44 | Supply, fixing,testing and commissioningof air break isolating switch tripple pole mechanically operated with horizontal/vertical isolation, 12 insulators mounted on steel frame with operating mechanism worked from ground level and incl operating rod of 25 mm dia medium grade GI pipe and locking arrangement of capacity 200 Amps 11 KV with and incl drop out fuse setincl making all incoming/outgoing connection all as directed and painting of steel work with 2 coats of aluminium paint over a coat of red oxide primer including taking down of existing unserviceable air break switch complete all as specified and directed. |
| 45 | Supply and fix in replairs of HT jumper from 2 Pole/ 4 Pole structure/ overhead line to Air Break Switch and AB Switch to drop out fuse, with suitable ACSR conductor incl HT PVC sleeve in colour code (Red, Yellow, Blue) complete all as specified and as directed. |
| 46 | Material & Labour for repairing of old defective gang operating device after taking shutt-down from MRS, renewal of worn out male andfemale contacts, replacement of HT contact knife, removal of deposited carbon, applying mineral jelly on male/female contacts and knife incl proper setting of gang operating device for smooth operation incl replacement of worn out nut/bolts and washers incl taking down old unsv burnt out parts complete all as specified and as directed. |
| 47 | Supply and fix in replairs oflightening arrestors expulsion type complete with all fittings, transmision class, discharge cap 65 kiloamps suitable for 11000 volts (11KV) all as specified. |
| 48 | M & L for repairs to LT Panel Board of size not exceeding 2000mmx1500mmx600mm including rewiring of all electrical connections of LT Panel Board of any description with new Terminal Connector, Lugs and Wire of suitable size after disconnecting, removing the replacing burnt Contactors, Controllers,Transformers, Fuses, Cables and other connecting accessories etc., tinkering the enclosure to proper geometrics, removing all the corroded sheet metal parts like base plate, top plate, front cover etc. with 2.00mm thick CRCA Sheet, bending to match with existing size and shape, welding / brazing, degreasing, phosphatising all the surfaces and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer and finishing the surface for matt finish after due preparation of surfaces, marking of Panel board No. complete all as specified and as directed. |
| 49 | Supply, install, testing and commissioning ofoutdoor type cubical feeder pillar boxes of size 600mmx600mmx500mm, 4 nos. aluminium bus bars of 400 Amps capacity fixed over epoxy insulators and outer shell made out of3.15 mm thick MS sheet and inner shell made out of 2 mm thick MS sheet and MS angle section 50x50x6 mm mounted on PCC 1:2:4 type B-1 platform 90 cm aboveand 45 cm below the ground level,CPRI approved frame factory fabricated with front and backopenable double door system (Each door hinged with body at 4 places with body and hinges should be welded with body and door) lockable/open able by Keyshaving chromium plated 19 mm dia fancy lock, “U” type gasket shall be used to make the outer shell completely vermin proof suitable for 3 phase 4 wire 415 Volt, 50 Hz, tested at factory approved from CPRI for 35 MVA rupturing capacity at 415 Volts factory fabricatedhaving modern fabrication and testing process followed by powder coat painting having thickness not less than 100 microns provided with suitable gasket to make it dust/vermin proof and general construction confirming to IS:8623/93including taking down of existing unserviceable feeder pillar boxes complete allas specified and as directed. |
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