Military Engineer Services-MES has published Tender For Periodical Maintenance Or Repair Of Transformer,. Submission Date for this Tender is 14-03-2024. Voltage Stabiliser Tenders in shillong Meghalaya. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 17-Feb-2024 | PERIODICAL MAINTENANCE OR REPAIR OF TRANSFORMER | BOQ | 02-03-2024 |
| 2 | 02-Mar-2024 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 09-03-2024 |
| 3 | 09-Mar-2024 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 14-03-2024 |
| Sl. No. | Item Description |
| 1 | Material and labour for disconnecting all incoming and outgoing cables of transformers of following capacities at various locations installed on two pole/four pole structures/on platforms/at Sub Stations, opening the top cover, carrying out following activities :- (a) Draining out all the transformer oil to clean barrel for reuse. (b)Dismantling of all attachment viz breather assy, conservator, oil temperature gauge, HT/LT bushing etc and keeping aside for re-use and re-assembling the serviceable dismantled parts/new spare by providing new insulation materials, gasket, nuts & bolts etc. (c) Inspection of transformer core and winding, drying out transformer core and winding in vacuum chamber till specified IR values are obtained. (d)Cleaning of complete transformer tank, oil fins, removing of sludge and making the inside surface of tank dry by blowing of hot air as directed. Note : Dehydration of collected transformer oil shall be measured and paid under respective item of Sch. |
| 2 | (a) Transformer of capacity for 100 KVA |
| 3 | (b) Transformer of capacity for 200 KVA |
| 4 | (c)Transformer of capacity for 250 KVA |
| 5 | (d) Transformer of capacity for 315 KVA |
| 6 | (e) Transformer of capacity for 400KVA |
| 7 | (f)Transformer of capacity for 500 KVA |
| 8 | (g) Transformer of capacity for 630 KVA |
| 9 | Material and labour for disconnecting all incoming and outgoing cables of Voltage stablizers of following capacities at various locations installed at Sub Stations, opening the top cover, carrying out following activities :- (a) Draining out all the transformer oil to clean barrel for reuse. (b)Dismantling of all attachment and keeping aside for re-use and re-assembling the serviceable dismantled parts/new spare by providing new insulation materials, gasket, nuts & bolts etc. (c) Inspection ofvacuum chamber till specified IR values are obtained. (d)Cleaning of complete tank, oil fins, removing of sludge and making the inside surface of tank dry by blowing of hot air as directed. (e) All other repair work and replacement of spares / components shall be measured and paid for separately under respective items of Sch.. Note : Dehydration of collected oil shall be measured and paid under respective item of Sch. |
| 10 | (a)Automatic Voltage stablizers of capacity 630 KVA |
| 11 | (b) Automatic Voltage stablizers of capacity 400 KVA |
| 12 | (c) Automatic Voltage stablizers of capacity 200 KVA |
| 13 | Material and labour for removing the of transformers of following capacities at various locations installed on two pole/four pole structures/on platforms/at Sub Stations and loading it in the vehicle carefully using crane and transporting it to the workshop for HV/LV re-winding, transport the transformer back to the site , install it complete all as specified and directed :- Notes : (a) Material and labour for Cost of re-winding shall be measured and paid for separately under respective item of BOQ here-in-after. (b)All other repair work and replacement of spares/components shall be measured and paid for separately under respective items of Sch. |
| 14 | (a) Transformer of capacity upto 200KVA |
| 15 | Material and labour forre-winding HV/LV coils of transformers with super enameled copper wire as per the existing gauge and as per laid down standards incl necessary paper insulation for separation and coil sleeves upto tap changer, complete all as directed |
| 16 | Supply only HT bushing poreclain with copper stud, nuts, bolts, washers, gasket, oil seal {set of threes ( For 03 Phases) } suitable for following capacity transformer complete all as specified anddirected:- Make : BHEL/ Jaypuriya Brothers/ Pactil/ Southern Insulators |
| 17 | (a) Transformer of capacity 100 KVA |
| 18 | (b) Transformer of capacity For 200 KVA |
| 19 | (c) Transformer of capacity For 315 KVA |
| 20 | (d) Transformer of capacity For 400 KVA |
| 21 | (e) Transformer of capacity For 630 KVA |
| 22 | Supply onlyLT bushing poreclain with copper stud, nuts, bolts, washers, gasket, oil seal SET OF FOUR (For 3 Phase and one for neutral) suitable for following capacity transformer complete all as specified anddirected:- Make : BHEL/ Jaypuriya Brothers/ Pactil/ Southern Insulators |
| 23 | (a) Transformer of capacity 100 KVA |
| 24 | (b) Transformer of capacity For 200 KVA |
| 25 | (c) Transformer of capacity For 315 KVA |
| 26 | (d) Transformer of capacity For 400 KVA |
| 27 | (e) Transformer of capacity For 630 KVA |
| 28 | Supply onlyMotor of existing size and type for following capacity voltage stablizers complete all as specified anddirected:- |
| 29 | (a)Automatic Voltage stablizers of capacity 630 KVA |
| 30 | (b) Automatic Voltage stablizers of capacity 400 KVA |
| 31 | (c) Automatic Voltage stablizers of capacity 200 KVA |
| 32 | Supply onlyRelay card of existing size and type for following capacity voltage stablizers complete all as specified anddirected:- |
| 33 | (a)Automatic Voltage stablizers of capacity 630 KVA |
| 34 | (b) Automatic Voltage stablizers of capacity 400 KVA |
| 35 | (c) Automatic Voltage stablizers of capacity 200 KVA |
| 36 | Supply onlytemperature gauge of existing size and type for measuring temperature 0 to 100 degree centigrade for following capacity transformer complete all as specified anddirected:- |
| 37 | (a) Transformer of capacity 100 KVA to 200 KVA |
| 38 | (b) Transformer of capacity For 315 KVA |
| 39 | (c) Transformer of capacity For 400 KVA |
| 40 | (d) Transformer of capacity For 630 KVA |
| 41 | Supply only MS bolts, nuts and washers as per existing size and length all as directed. |
| 42 | Material and labour for on site centrifusing (dehydration) of old transformer oil at various locations of transformers of Capacity 100 KVA to 630 KVA/ Voltage stablizer installed on two pole/four pole structures/on platforms/at Sub Station/or at any other location by filter action using automatic centrifusing (dehydration) machine to achieve min 40 KV breakdown voltage (di-electric strength) at 2.5 mm gap for 2 minutes by absorbing and abolishing all sludge particles for use as perBS-B 66-1983 complete all as specified and directed. Notes : (a) All disconnection/re-connection of transformers/Voltage stablizers HT/LT cables, T & P for required for above activity shall be arranged by contractor and quoted rates deemed to include for same. (b) Dielectric strength of the oil to be tested at site in presence of Engineer-in-charge without any extra cost and recorded the same. |
| 43 | Supply and fill new transformer oil ISI Marked (for topping up) confirming to IS-335 of 1993, low viscosity with dielectric strength 50 KV breakdown voltage in 2.5mm gap for 2 minutes filled in transformer/in Voltage stablizer at various locations in Station and testing, complete all as specified anddirected. Notes :- Dielectric strength of the oil to be tested at site in presence of Engineer-in-charge without any extra cost and recorded the same. |
| 44 | Supply & fixing of cork/rubber gasket 4mm thick for top cover and other joints for transformers/voltage stablizers of capacity upto 630 KVA,11/0.433 KV complete all as specified and as directed. |
| 45 | Material and labour for preparation of old surfaces by scraping, removing, cleaning, of oil, grease painting of transformers/Voltage Stablizers body and (internally and externally), applying two coat of heat resistant synthetic enamel paint of colour as directed by spray painting including writing MES No and SM No on body with synthetic enamel paint complete all as specified and directed for following capacities transformer:- Make of Synthetic enamel paint: Shalimar Paints (Superlac)/ Asian (Apcolite)/ Berger (Luxol)/ Jenson & Nicholson Paints Ltd (Brolac)/ Nerolac (Impression) |
| 46 | (a) Transformer of capacity upto 250 KVA rating |
| 47 | (b) Transformer of capacity 315 KVA and upto 400 KVA. |
| 48 | (c) Transformer of capacity 630 KVA. |
| 49 | (d) Servo Voltage stablizer of capacity 200 KVA and upto 630 KVA |
| 50 | Supply only heavy duty Silica gel breather assembly (transparent type) suitable for transformer of following capacity complete all as specified and directed:- |
| 51 | (a) Transformer of capacity upto 250 KVA rating |
| 52 | (b) Transformer of capacity exceeding 315 KVA and upto 630 KVA. |
| 53 | Supply only Silica gel for breather assembly (transparent type) in granular form for transformers complete all as specified and directed |
| 54 | Material and labour for earthing complete with Copper earth plate 60 cm X 60 cm X 3.15 mm thick buried vertically in ground to depth not less than 2.25 metres deep below ground level, with top edge of earth plate not less than 1.5 m below ground level, connected to copper earth strip of size 20mmx3mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel besides welding at all joints as shown in drawing and including excavation and earth work, GI pipe light grade 40mm bore for protection of earth wire and connected to continous earth lead on pole/test point, supplying and laying charcoal dust common salt PCC 1:2:4 type B1, chamber and MS angle iron frame 40x40x3mm and RCC cover 40mm thick (1:2:4) type B1 using 20mm graded stone aggregate reinforced with 6mm dia round bars @ 75mm C/C both ways with MS handle 12mm dia, PGI/CI funnel and wire mesh, 20mm dia GI pipe medium grade for watering all as shown in electrical plate No 5 on srl page No 497 of SSR Part I (2009)drawing and connection to earth test point including testing and including dismantling and taking out old earthing complete all as specified and directed. Note : (i) The cost of earth lead /strip and GI pipe for protection of earth lead/strip upto 7.5m is included in the quoted rate. (ii)The cost of excavation, earth work is included in the quoted rate. |
| 55 | Material and labour in replacement Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hexagonal head screw complete all as specified and directed |
| 56 | Excavation in trenches in soft / loose soil, not exc 1.5 m wide and n. exc 1.5 m depth or n exc 10 Sqm on plan & getting out, for laying of cables, foundations of poles, struts, stays etc. and getting out including triming and forming bottom surface complete, all as directed. |
| 57 | Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cms thick in soft / loose soilback in trenches after cables have been laid and tested, poles, stays , struts have been erected and tested complete all as directed. |
| 58 | Removing excavated materials to a distance not exc 50m and depositing where directed at a level not exc 1.5 m above the starting point in soils complete all as directed. |
| 59 | Material and labour for dry sand cushioning to PVC under ground cable with screened and washed sand and punning to provide a required covercomplete all as specified and directed. Note :- Thickness after punning shall be considered for payment as per SSR. |
| 60 | Supply and laying factory made ISI marked un-reinforced precast concrete cable cover class HV type I flat of size 300mm x 180mm x 40mmcomplete all as specified and directed. |
| 61 | Supply and fix in replacement Galvanised steel tubing light grade for protection of under ground cable on poles / walls/under road crossing/laid in trenches etc conforming to IS-1239 for size 80mm bore complete all as directed |
| 62 | Supply and laying, connecting, testing, commissioning HT UG cable XLPE Insulated,armoured,electric powercables (heavy duty) 11000 Volts grade conforming to IS 7098 withaluminium conductor multi-strand of cross-sectional area 120 Sqmm 3.0 Core laid in trenches / ducts/ inside protection pipe including cable glands, lugs and suitable size of MS saddle clips etc. also including taking out existing UG cables all as directed by Engr-In-Charge. Make: Polycab(ISI Marked)/ Finolex(ISI Marked)/ Havells (ISI Marked)/ Gloster (ISI Marked)/ KEI (ISI Marked) Note:-(a) Excavation, sand cushioning, bricks shall be measured and paid separately |
| 63 | Supply and laying, connecting, testing, commissioning LT UG cable XLPE Insulated,armoured,electric powercables (heavy duty) 1100 Volts grade conforming to IS 7098 withaluminium conductor multi-strand laid in trenches / ducts/ inside protection pipe including cable glands, lugs and suitable size of MS saddle clips etc. also including taking out existing UG cables all as directed by Engr-In-Charge for the following cross sectional area of the cables. Make: Polycab(ISI Marked)/ Finolex(ISI Marked)/ Havells (ISI Marked)/ Gloster (ISI Marked)/ KEI (ISI Marked) Note:-(a) Excavation, sand cushioning, bricks shall be measured and paid separately |
| 64 | (a) 3.5 core 95 Sqmm |
| 65 | (b) 3.5 core 120 Sqmm |
| 66 | Material and labour as in replacement for outdoor type Coldshrinkable cable end termination jointing kitfor HT 11000 Volts(Earthed) grade cable of 120 sqmm 3 core size complete with jointing material and accessories complete all as directed by Engineer-In-Charge. Make: M-Seal/ Cab-Seal/ Denson/ Raychem/ Birla 3M |
| 67 | Material and labour in replacement for outdoor type coldshrinkable cable end termination jointing kitfor LT 1100 Volts (Earthed) grade cable of following size complete with jointing material and accessories complete all as directed :- Make: M-Seal/ Cab-Seal/ Denson/ Raychem/ Birla 3M |
| 68 | (a) 50 to 95 Sqmm, 3.5 core |
| 69 | (b) 120 to 185 Sqmm, 3.5 core |
| 70 | Material and labour in replacement for indoor type heatshrinkable cable end termination jointing kitfor LT 1100 Volts (Earthed) grade cable of following size complete with jointing material and accessories complete all as directed :- Make: M-Seal/ Cab-Seal/ Denson/ Raychem/ Birla 3M |
| 71 | (a) 50 to 95 Sqmm, 3.5 core |
| 72 | (b) 120 to 185 Sqmm, 3.5 core |
| 73 | Supplying and laying synthetic Rubber insulated mats 2.5 mm thick for voltage upto 11 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m all as specified and directed. |
| 74 | Supply only self bouding EPR (Ethylene Propylene Rubber)HT tape roll of sze 19mm x 10m. Make: M-Seal/ Cab-Seal/ Denson/ Raychem/ Birla 3M |
| 75 | Taking down all parts of APFC Panels any capacity including existing wiring and Material and labour forpreparation of old existing door, inner & outer steel or iron surfaces of APFC Panels in position including removal of disintegrated and deteriorated paint by scrapping out with wire brush or iron scrubber, applying a coat of red oxide primer and one under coat, one finish coat of synthetic enamel paintwith spray gun machine for smooth finish including writing letter and complete re-assembling of APFC Panels any capacity by refixing the old serviceable parts/new parts with complete rewiring of APFC Panels with 1.5/2.5/6 sqmm (as per existing size) Heat Resistant Flame Retardant HRFR PVC Insulated Industrial Cables multistranded copper conductor cable PVC insulated and unsheathed 1100 volts grade conforming to IS-694 with appropriate sleeves, copper lugs pin/ring type as required including marking Nos, spiral PVC conduit, PVC clamps, proper alingnment of wires and testing after re-assembling the APFC Panels complete all as specified and directed. Notes : (a) Cost of labour for replacement of new spares/componentshall be deemed to be included in quoted rates. (b)New spare parts/components shall be measured and paid as Supply only under respective items of Sch. (Note :Spares required for repairs shall be measured and paid as Supply only under respective items here-in-after.) |
| 76 | Supply only following spares/components in APFC Panels any capacity :- |
| 77 | (a) Flush mount digital Ammeter 0-200 Amps (size 96mm x 96mm) complete all as specified and as directed. Make : Secure Meters/Schneider/L&T/ Havells India Ltd/ BCH/ AE |
| 78 | (b) Flush mount digital voltmeter 0-500 Volts (size 96 mm x 96 mm) complete all as specified and as directed. Make : Secure Meters/Schneider/L&T/ Havells India Ltd/ BCH/ AE |
| 79 | (c) MCB TP 6 to 32 Amps, 415 volts, C-curve, rupturing capacity 10KA conforming to IEC-60898, Part-I complete all as specified and as directed. Make : Legrand/ Hager/ Siemens/ Schneider/ L&T/ ABB/ Indoasian (Novateur Elc & Digital Sys Pvt/ Havells India Ltd./ M/s Shalabh (India) Inustries Ltd. |
| 80 | (d) MCB TP 63 Amps, 415 volts, C-curve, rupturing capacity 10KA conforming to IEC-60898, Part-I complete all as specified and as directed. Make : Legrand/ Hager/ Siemens/ Schneider/ L&T/ ABB/ Indoasian (Novateur Elc & Digital Sys Pvt/ Havells India Ltd./ M/s Shalabh (India) Inustries Ltd. |
| 81 | (e) APFC relay 12 Steps for contactor controlled APFC Panels, auto programmable, single CT input 1/5 Amps, Input voltage 415 Volts AC supply complete all as specified and as directed. Make : Legrand/ Hager/ Siemens/ Schneider/ L&T/ ABB/ Indoasian (Novateur Elc & Digital Sys Pvt/ Havells India Ltd./ M/s Shalabh (India) Inustries Ltd. |
| 82 | (f) APFC relay 8 Steps for contactor controlled APFC Panels, auto programmable, single CT input 1/5 Amps, Input voltage 415 Volts AC supply complete all as specified and as directed. Make : Legrand/ Hager/ Siemens/ Schneider/ L&T/ ABB/ Indoasian (Novateur Elc & Digital Sys Pvt/ Havells India Ltd./ M/s Shalabh (India) Inustries Ltd. |
| 83 | (g) MPP standard duty capacitor cylinderical 25 KVAR, 3 phase, 440 Volts, 50 Hz with rectangular/ circular steel container complete all as specified and as directed. Make : Legrand/ Hager/ Siemens/ Schneider/ L&T/ ABB/ Indoasian (Novateur Elc & Digital Sys Pvt/ Havells India Ltd. |
| 84 | (h) MPP standard duty capacitor cylinderical 20 KVAR, 3 phase, 440 Volts, 50 Hz with rectangular/ circular steel container complete all as specified and as directed. Make : Legrand/ Hager/ Siemens/ Schneider/ L&T/ ABB/ Indoasian (Novateur Elc & Digital Sys Pvt/ Havells India Ltd. |
| 85 | (j) MPP standard duty capacitor cylinderical 15 KVAR, 3 phase, 440 Volts, 50 Hz with rectangular/circular steel container complete all as specified and as directed. Make : Legrand/ Hager/ Siemens/ Schneider/ L&T/ ABB/ Indoasian (Novateur Elc & Digital Sys Pvt/ Havells India Ltd. |
| 86 | (k) MPP standard duty capacitor cylinderical 12.5 KVAR, 3 phase, 440 Volts, 50 Hz with rectangular/ circular steel container complete all as specified and as directed. Make : Legrand/ Hager/ Siemens/ Schneider/ L&T/ ABB/ Indoasian (Novateur Elc & Digital Sys Pvt/ Havells India Ltd. |
| 87 | (l) MPP standard duty capacitor cylinderical 7.50 KVAR, 3 phase, 440 Volts, 50 Hz with rectangular/ circular steel container complete all as specified and as directed. Make : Legrand/ Hager/ Siemens/ Schneider/ L&T/ ABB/ Indoasian (Novateur Elc & Digital Sys Pvt/ Havells India Ltd. |
| 88 | (m) MPP standard duty capacitor cylinderical 5 KVAR, 3 phase, 440 Volts, 50 Hz with rectangular/circular steel container complete all as specified and as directed. Make : Legrand/ Hager/ Siemens/ Schneider/ L&T/ ABB/ Indoasian (Novateur Elc & Digital Sys Pvt/ Havells India Ltd. |
| 89 | (n) Capacitor duty contactor 440 Volts, 3 phase, 50 Hz with built-in auxillary contacts 1NO for 25 KVAR rating complete all as specified and as directed. Make : Legrand/ Hager/ Siemens/ Schneider/ L&T/ ABB/ Indoasian (Novateur Elc & Digital Sys Pvt/ Havells India Ltd. |
| 90 | (o) Capacitor duty contactor 440 Volts, 3 phase, 50 Hz with built-in auxillary contacts 1NO for 20 KVAR rating complete all as specified and as directed. Make : Legrand/ Hager/ Siemens/ Schneider/ L&T/ ABB/ Indoasian (Novateur Elc & Digital Sys Pvt/ Havells India Ltd. |
| 91 | (p) Capacitor duty contactor 440 Volts, 3 phase, 50 Hz with built-in auxillary contacts 1NO for 15 KVAR rating complete all as specified and as directed. Make : Legrand/ Hager/ Siemens/ Schneider/ L&T/ ABB/ Indoasian (Novateur Elc & Digital Sys Pvt/ Havells India Ltd. |
| 92 | (q) Capacitor duty contactor 440 Volts, 3 phase, 50 Hz with built-in auxillary contacts 1NO for 12.5 KVAR rating complete all as specified and as directed. Make : Legrand/ Hager/ Siemens/ Schneider/ L&T/ ABB/ Indoasian (Novateur Elc & Digital Sys Pvt/ Havells India Ltd. |
| 93 | (r) Capacitor duty contactor 440 Volts, 3 phase, 50 Hz with built-in auxillary contacts 1NO for 8.5 KVAR rating complete all as specified and as directed. Make : Legrand/ Hager/ Siemens/ Schneider/ L&T/ ABB/ Indoasian (Novateur Elc & Digital Sys Pvt/ Havells India Ltd. |
| 94 | (s) Capacitor duty contactor 440 Volts, 3 phase, 50 Hz with built-in auxillary contacts 1NO for 5 KVAR rating complete all as specified and as directed. Make : Legrand/ Hager/ Siemens/ Schneider/ L&T/ ABB/ Indoasian (Novateur Elc & Digital Sys Pvt/ Havells India Ltd. |
| 95 | (t) Copper wound round type CT of ratio 100/5A complete all as specified and as directed. Make : Legrand/ Hager/ Siemens/ Schneider/ L&T/ ABB/ Indoasian (Novateur Elc & Digital Sys Pvt/ Havells India Ltd. |
| 96 | (u) Copper wound round type CT of ratio 300/5A complete all as specified and as directed. Make : Legrand/ Hager/ Siemens/ Schneider/ L&T/ ABB/ Indoasian (Novateur Elc & Digital Sys Pvt/ Havells India Ltd. |
| 97 | Material and labour for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 23 x 3mm copper strip.all as specified. |
| 98 | Material and labour for maintaining the following installation area neat and clean by levelling withsoil dumps , cutting bushes and grass around the installation and thrown out the same outside installation and AF station area complete all as directed. Note: Necessary T&P required for cleaning / levelling shall be provided by the contractor |
| 99 | Main Receiving Station |
| 100 | Site - II Sub Station |
| 101 | Site - I Sub Station |
| 102 | 42 WEU (A) Sub Station |
| 103 | Site-IVSub Station |
| 104 | Tech four pole and POL Store area |
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