Military Engineer Services-MES has published Repair Maintenance Of Transformers, Lt Panels, Feeder Pillar Boxes, Lt External Electrification, Oh Lines And Ug Cables At Arc, Gtc And 11 Weu At Happy Valley Under Ge Shillong Repair Maintenance Of Transformers, Lt Panels, Feeder Pillar Boxes, Lt. Submission Date for this Tender is 27-12-2021. Electrification Work Tenders in GE SHILLONG Meghalaya. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 20-Dec-2021 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 27-12-2021 |
| Sl. No. | Item Description |
| 1 | Filtration and dehydration of transformer oil and removing sludge by continuous circulation through filtration plant with strip heater and improvement of dielectric strength to minimum 40 KV at 4mm gap of electrode for 63 KVA to 500 KVA capacities of transformer including refilling of filtered transformer oil complete all as specified and as directed by Engineer-in-Charge. |
| 2 | M&L for Topping up / replacement of transformer oil with new transformer oil suitable for working voltage 11000 volts grade, including necessary dehydration to achieve dielectric strength min 40 KV at 4mm gap transformer for various capacities of transformercomplete all as directed. Make of transformer oil : Gulf /Castrol /HP /IOC/BP. Notes :For Ser Item No 1 & 2 (a) New transformeroil(ISI marked) shall be supplied by the contractor in sealed container with original manufacturing test certificate. (b) Filtration/dehydration of transformer oil shall be carried out at the location where transformer is installed and necessary tools & instruments shall be brought at workingsite by the contractor. (c)During the process of filtration, transformer will be on load condition. (d)The old unserviceable transformer oil shall be sold to the contractor under schedule of credit. (e) Filtration and topping up work oftransformer shall only be carried outby manufacturer of transformer or its authorised agent. |
| 3 | Supply and replacement of silica gel grains in the breather assembly of transformers of various capacities including removal of old unserviceable one etc complete all as specified and as directed by Engineer-in-Charge. |
| 4 | Supply and replacement of breather assembly of size 50mm dia, min 250mm long for transformer of various capacities including removal of old unserviceable one etc complete all as specified and as directed by Engineer-in-Charge. |
| 5 | S&F in repairtransformer temperature gauge, dial type, having temperature range 0 to 120°C etc complete all as specified and asdirected by Engineer-in-Charge. |
| 6 | Opening of top cover by unscrewing all nuts, bolts and washers forreplacement of transformer HT/LT bushing, lifting of core assembly, cleaning and refixing the complete unit with new cork sheet, gasket, existing / wherever required with new nuts, bolts and washers for transformer capacity 63kVA to 3.15 MVAindoor/outdoor type complete all as directed by Engineer-in-Charge. Note: - (i) HT/LT bushing shall be measured and paid separately under relevant items of these schedule as "supply only" items and labour element involved for replacing the same shall deemed to be included in the rate quoted by the tenderer in this item. (ii) Repair works carried out by manufacturer of transformer or its authorized agent. |
| 7 | Supply only HT porcelain bushing suitable for 11 KV grade complete with brass rod & rubber bush, for 63kVA to 3.15 MVA capacities of transformer complete all as specified and as directed. |
| 8 | Supply only LT bushing suitable for 1100 volts grade complete with brass rod & rubber bush for the rating 63 to 500kVA capacities indoor/outdoor transformer complete all as specified and as directed. |
| 9 | M&L for Shifting of transformer carefully of capacity of 63 - 500 KVA from its position upto road n.exc 50 m high by manually or chain pulley arrangement and carrying it to other installation by vehicle (Recovery Van) within Cantonment area n.exc 2KM and install it to new places including commissioning and testing complete all as directed by Engineer-in-Charge.Note:- All necessary requirement of Vehicles and other equipments shall be arranged and payment of the same done by contractors only. |
| 10 | Servicing and repair to 11KV/415Vand 33KV/11KV Transformer of capacity 63kVA- 3.15 MVA including the following works :- (a)Transport the transformer to workshop and return back after servicing including installation and commissioning and testing complete all as directed by Engineer-in-Charge. (b)Dismantling the transformer limb, drainingout transformer oil and lifting the core coil assembly, keep the assembly in oven up to obtain required IR value of the transformer winding complete all as directed by Engineer-in-Charge. (c)Cleaning the core coil assembly by oil complete and remove the dirt, sludge in the coil and core gently without making damage of insulation complete all as directed by Engineer-in-Charge. (d) Cleaning inside the chamber of transformer, scrapping complete all sludge and iron particle. (e) M & L Two coats of oil resistance paint on inside surfaces of transformer over a coat of red oxide metal primer. (f) Re-assembling all dismantled parts including provision of new gaskets, spacers, nut, bolt refilling with new transformer oil. Note :-(i) The servicing of transformer carried out by authorized dealer of manufacturer of transformer. (ii) Oil filtration, supply of new oil will be measured and paid separately. (iii) All petty parts including nut, bolts, gaskets, minor welding deemed to be included in the rate quoted. (iv) All defective spare parts shall be approved by Board of Officers conveyed by Accepting Officers for replacement. |
| 11 | M & L Rewinding of HT coils suitable for 11000 volts grade with new super enamelled copper wire having Class - F insulation as per existing size and turns for capacity of transformer 63- 500 KVA complete all as directed by Engineer-in-Charge. |
| 12 | M & L Rewinding of LT coils suitable for 1100 volt grade with new DPC copper wire having Class F insulation as per existing size and turns for capacity of transformer 63 to 500 KVA complete all as directed by Engineer-in-Charge. |
| 13 | Supply and replace conservator oil inspection glass after opening by unscrewing nuts, bolts and washers and replacement with heat resistance glass of size n.exc 75 Sqmm and 3mm thick complete with new cork sheet, gasket, nuts, bolts and washers complete all as specified and directed. |
| 14 | M & L Painting of transformer outer surface with one coat of synthetic enamel paint for transformer capacity 63- 3.15MVAafter preparation of old painted surface by spray painting complete all as directed by Engineer-in-Charge. |
| 15 | Supply and replaceHT / LT side terminal box made out ofmild steel SA 40 x 40x 5 angle iron and 2mm thick MS sheet including removable cover with required holes on flange to fix at body of transformer and removable cover and fixing with new cork sheet gasket with nuts, bolts and washers including one coat of synthetic enamel paint as under coat and one as finishing coat to both side of box complete all as directed by Engineer-in-Charge. |
| 16 | S & F in repair bucholz relay aluminium body double float type provided with a test cock suitable for aflexible pipe connection for checking its operation and with a copper tube connected from a gas collector to a valve located about 1200mm from ground level to facilitate sampling with transformer for protection of transformer of 3.15 MVA capcity complete all as specified and directed Note: Device shall be provided with two electrically independent potential free contacts, one for alarm on gas accumulation and the other for tripping on sudden reise pressure. |
| 17 | S&F in repairs Gunmetalgatevalve (ISImarked) Class-I, 25 mm borewithironwheelheadscrewedbothendsforironpipe suitableforfollowingboreofpipe includingtakingdownoldunserviceable one completeallasspeficiedanddirected. |
| 18 | M&L forEarthing complete with galvanised steel earth plate electrode 60 Cm X 60 Cm X 6 mm buried directly in ground vertically to a depth not less than 2.25 mtr deep below ground level with top edge of earth plate at a depth not less than1.5 m below normal ground level connected to galvanised earth strip 32 X 6 mm as earth lead by means of bolts, check nuts and washers, galvanised steel and protected by GI pipe 40mm bore light grade & connected to main switch board or main control board as directed and including concrete pit in PCC (1:3:6) type C1, precast RCC (1:2:4) type B1 cover slab 30 cm X 30 cmX 5 cm with 10mm dia TMT bars 8 cm C/c both ways andone handle for lifting made out of 8 mm dia TMTbar, funnel, wire mesh, 20mm bore galvanised iron pipe (medium grade) for watering, charcoal or coke and salt in alternative layers, necessary excavation and earth work in any type of soil and including necessary testing complete all as shown in Electrical Plate No 3 of SSR part -I including taking down old unserviceable earthing plate with accessories. Note:- GI strip upto 7.5 m length shall be deemed to be included in the quoted rate against ibid item. The quantity required over 7.50 m shall be measured andpaid under relevant items seperately. |
| 19 | S& F XLPE Cable joining kit 11000 Volt grade, outdoor termination Heat shrinkable type with joining materials and accessories suitable for HT XLPE armoured aluminium conductor cable of size 95 sqmm 3 core complete including taking down old unserviceable joining kit all as directed by Engineer-in-Charge. |
| 20 | S& F XLPE Cable joining kit 11000 Volt grade, indoor termination heat shrinkable type with joining materials and accessories suitable for HT XLPE armoured aluminium condoctor cable of size 95 sqmm 3 core complete including taking down old unserviceable joining kit all as directed by Engineer-in-Charge. |
| 21 | S& F XLPE Cable joining kit 33000 Volt grade, indoor termination heat shrinkable type with joining materials and accessories suitable for HT XLPE armoured aluminium condoctor cable of size 240 sqmm single core complete including taking down old unserviceable joining kit all as directed by Engineer-in-Charge. |
| 22 | S& F XLPE Cable joining kit 11000 Volt grade, indoor termination heat shrinkable type with joining materials and accessories suitable for HT XLPE armoured aluminium condoctor cable of size 240 sqmm 3 core complete including taking down old unserviceable joining kit all as directed by Engineer-in-Charge. |
| 23 | Excavation in trenches n exc 1.5 mtr wide and depth n exc 1.5 mtr deep for foundation, etc n exc 10 sqmtr on plan, in soft/loose soil and getting out complete all as specified and directed. |
| 24 | Returning, filling in, including spreading, levelling, watering and well ramming in layers n.exc 25 Cm thick as in soft/loose soil etc complete all as specified and as directed. |
| 25 | Removing excavated materials (soil) n.exc 50 m and depositing where directed at a level n.exc 1.5 m above the starting point complete all as directed. |
| 26 | M&L for Sand cushioning with dry cleanriver sand for protection/covering of under ground cable in trenches complete all as specified and directed by Engr-in-Charge. Note:- Punned thickness only shall be measured for payment. |
| 27 | Supply and laying Sub class "B"well burnt brick, laid flat in trenches as protection to LT XLPE cable complete all as specified and as directed. |
| 28 | Supply, laying XLPE insulated PVC inner sheathed, armoured with galvanized steel strip or wire heavy duty underground cable withstranded aluminumconductor 1100 volt grade of size 120 Sqmm 3.5 Core laid in trenches / duct passing through pipe / duct or fixed on pole and connecting and testing complete all as specified and directed including taking down old unserviceable one etc complete all as specified and as directed. |
| 29 | All as per Item No.28.00 above but size of XLPE cables 95 Sqmm 3.5 Core. |
| 30 | All as per Item No..28.00 above but size of XLPE cables 70 Sqmm 3.5 Core. |
| 31 | All as per Item No..28.00 above but size of XLPE cables 50 Sqmm 3.5 Core. |
| 32 | All as per Item No..28.00 above but size of XLPE cables 25 Sqmm 4.0 Core. |
| 33 | Supply and erecting steel tubular swaged pole 9.00 m long type 410 SP-31 complete with cast iron base plate and final taper plug duly painted with anti corrosive paint internally and externally and upto 1.5 m length of pole above ground level (externally) shall be painted with two coats of synthetic enamel paint in strips of 30 Cm length, black and yellow alternatively and balance of pole with two coats of aluminium paint including dismantling of old unserviceable steel tubular pole of any size with necessary disconnection of electric wire, fitting and fixtures etcas required complete all as specified and as directed byEngr-in-Charge. Make:- Bansal / M/s Calcutta poles ltd or equivalent and approved. |
| 34 | Supply and fix in repairLT cable jointing kit 1100 volt grade cable for straight through joint , cold shrink type complete with jointing material and accessories suitable for 3.5/4 core XLPE armoured aluminium conductor cable of size 50 to 120 sqmm etc complete all as specified and as directed byEngr-in-Charge. |
| 35 | Cutting or trimming of tree branches after disconnection of electric connection ,to clear OH lines in the area of LT OH lines feeders for a span of 30 m each and removal of the trimmed branches of trees and depositing the same in MCD waste bins inside the campus including resumingelectric supply by necessary electric connectionetc complete all as specified and directed. |
| 36 | Supply and fix in repairLT cable jointing kit 1100 volt grade cable for indoor / outdoor termination joint, heat shrink type complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 70 to 150 sqmm etc complete all as specified and as directed byEngr-in-Charge. |
| 37 | Restraining of existing ACSR conductor on LT over head line on the poles without taking down ACSR from over head line by disconnecting and untying from insulator and retying with new binding wire , rejoining of service connection of street light and all other jumper connectionetc complete all as specified and as directed byEngr-in-Charge. (Note:- Three runs of phase conductor , one run of neutral conductor and two runs for streetlight ACSR conductor shall be measured as one length.) |
| 38 | Dismantling insulators of any type, any size from 9.00 metre LT poles after disconnectiong all incoming and out going electrical connection etc complete all as specified and directed. |
| 39 | M&L for Pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and onegalvanisedironnut, 100mm height, 65mm dia for 1100 volts grade etc complete all as specified and directed. |
| 40 | M&L for Shackle Type, Porcelain, vitreous, white, brown or green insulator including galvanised mild steel straps, with section of straps 31 x 3 dia of bolts 12 mm and working pressure 1100 volts of size 75 mm height and 90 mm max. dia etc complete all as specified and directed. |
| 41 | M&L for Cross arms, bracings, supports, 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 as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of synthetic enamel paintetc including taking down old unserviceable one complete all as specified and directed. |
| 42 | S&F in repair GI Strip 32 x 6 mm as earth continuity conductor or main earthing lead buried in groundor drawn through pipes or fixed to wall or poles or any other situation for loop earthing etc complete all as specified and directed. |
| 43 | M&L for PCC, type C1, (1:3:6, using 20mm graded stone aggregates) as in coping of polesincluding necessary formwork etccomplete all as specified and as directed by Engr-in-Charge. |
| 44 | M&L forfoundation of poles withPCC, type D-2, (1:4:8, using 40mm graded stone aggregates) includingnecessary formwork etccomplete all as specified and as directed by Engr-in-Charge. |
| 45 | Supply and laying GI tubing light grade, 80 mm borewith all fittings, fixed complete to walls and ceiling or laid in floor for cable crossing complete all as specified and as directed including taking down old unserviceable one. |
| 46 | Supply and laying GI tubing light grade, 50 mm borewith all fittings, fixed complete to walls and ceiling or laid in floor for cable crossing complete all as specified and as directed including taking down old unserviceable one. |
| 47 | Supply and fixin repair MCCB,four pole, 63 Amps , 415 Volts,adjustable thermal release andfixed magnetic release, 16 kA,50Hz, complete all as specified and directed by Engr-in-Charge . Make:- L&T/ Siemens/ Legrand/ Havells |
| 48 | Supply and fixin repair MCCB,four pole, 125 Amps , 415 Volts,adjustable thermal release andfixed magnetic release, 25 kA,50Hz, complete all as specified and directed by Engr-in-Charge . Make:- L&T/ Siemens / Legrand/ Havells |
| 49 | Supply and fixin repair MCCB,four pole, 250 Amps , 415 Volts, adjustable thermal release andadjustable magnetic release,36 kA,50Hz, complete all as specified and directed by Engr-in-Charge . Make:- L&T/ Siemens / Legrand/Havells. |
| 50 | Supply and fixin repair MCCB,four pole, 160 Amps , 415 Volts, adjustable thermal and adjustable magnetic setting, 25 kA,complete all as specified and directed by Engr-in-Charge . Make:- L&T/ Siemens/ Legrand/ Havells. |
| 51 | Supply and fixin repair MCCB,four pole, 630 Amps , 415 Volts, electronic thermal release and electronic magnetic setting, 50 kA, complete all as specified and directed by Engr-in-Charge. Make:- Havells/ Siemens/ Legrand. |
| 52 | Supply and fixin repair MCCB,four pole, 400 Amps , 415 Volts, electronic thermal release and electronic magnetic setting, 36 kA complete all as specified and directed by Engr-in-Charge . Make:- L&T/ Siemens/ Legrand/ Havells |
| 53 | M&L for cuttingin any type of road, hardstanding etcand making good to disturbed surfaces withPCC, type B-1, (1:2:4, using 20mm graded stone aggregates) includingnecessary formwork etccomplete all as specified and as directed by Engr-in-Charge. |
| 54 | Material and labour for earthing complete with galvanised steel earth plate electrode 60 Cm X 60 Cm X 6 mm buried directly in ground vertically to a depth notless than 2.25 mtr deep below ground level with top edge of earth plate at a depth not less than 1.5 m below normal ground level connected to galvanised earth lead wire 4.0 mm dia by means of bolts, check nuts and washers ,galvanised steel and protected by GI pipe 15 mm bore light grade & connected to main switch board or main control board as directed and including concrete pit in PCC (1:3:6) type C1, precast RCC (1:2:4) type B1 cover slab 30 cm X 30 cmX 5 cm with 10mm dia TMT bars 8 cm c/c both ways andone handle for lifting made out of 10mm dia roundbar, funnel, wire mesh, 20mm bore galvanised iron pipe (medium grade) for watering, charcoal or coke and salt in alternative layers, necessary excavation and earth work in any type of soil and including necessary testing complete all as shown in Electrical Plate No 3 of SSR part -I, 2009,including taking down old unserviceable one etc complete all as specified and as directed. NOTE: GI strip upto 7.5mtr length shall be deemed to include in the cost of above item. This quantity required over and above shall be measured under separate item here-in-before. |
| 55 | Supply, install, testing and commissioning of outdoor LT distribution feeder pillar of suitable size factory made totally enclosed, dust and vermin proof, double leaf shutter in front and singe leaf shutter in rear, made out of 3.15mm thick CRCA sheet duly fabricated and having proper front and rear locking arrangement duly powder coated painting and aluminium bus bar of suitable Amps, 415volts, 50Hz, 3phase and 4 wired system with the following items, including supply and fixing of MS channel 75mm X 40mm X 5mm and fixing the feeder pillar with necessary earthwork and PCC (1:2:4) foundation all as specified and directed:- INCOMING: (i)MCCB, 4 Pole, 400 Amps- 1 No. (ii) Multi Function Meter- 1 No. (iii)Phase indicator Lamp(RYB)- 1 Set OUTGOING: (i)MCCB, 4 Pole, 200 Amps- 3 Nos. (ii) MCCB, 4 Pole, 160 Amps- 1 No. (iii)MCB, 3 Pole,20 Amps-1 No. (iv)Analogue time switch-1 No. (v) 3 Pole contactor 25 Amps- 1 No. NOTE:Bidder quoted rate shall be inclusive for S&F of the components mentioned above as INCOMING (i) to (iii) and OUTGOING (i) to (v) alongwith Feeder Pillar Box. |
| 56 | M&L for painting of LT Panel/ Feeder Pillar by one coat of synthetic enamel paint after preparation of surfaces complete all as specified and as directed |
| 57 | M&L for preparation of old painted ( outer exposed surface ) of electric steel swaged tubular poles over all diemension 8.50/ 9.00 meter long, painting starts from ground level with black bituminous paint upto one meter and thereafter applying one coat of aluminium paint including over MS channel/ angle iron and clamps with bolts, nuts of street light fittings and writing pole No using black colour synthetic enamel paint of existing size or lettersetc complete all as specified and as directed. |
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