Military Engineer Services-MES has published Tender For Repair To Ht Oh Line Ug Cable 33 Kv Sub Station Vcb Panel And Allied Works Under Ge Ramgarh. Submission Date for this Tender is 15-12-2022. Electrical Maintenance Tenders in ramgarh Jharkhand. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 08-Dec-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 15-12-2022 |
| Sl. No. | Item Description |
| 1 | M & L for servicing and overhauling of rotating type isolator of 33 KV/800 Amp capacity for carry out repair like alignment of isolators, blades, arcing horns moving mechanism oiling greasing to isolators gear box assembly tightening/renewal of nut and bolts repair to isolator complete all as directed by Engineer- in- Charge |
| 2 | Dismantling and taking down existing old unserviceable/worn out isolators verticle/horizontal mounted including operating mechanism and Supply, installation, commissioning and testing of Air brake, off load Isolator switch, rotating type, manually operated, horizontal operational type, highest system voltage 36 KV rated current 800 Amps triple pole, each pole consists of insulating pedestals – 03 Nos. on galvanized steel base as per BSS/IS including rotating blade of HDE copper and fixed contacts of same material, spring loaded, arcing horns of adequate cross section to brake magnetizing current of transformerincluding earthing device with adequate size of G.I. operating pipe for operation from ground level and operating handleetc complete with both “OFF” and “ON” positions including provision of mechanical locking arrangement complete all as specified and as directed. |
| 3 | Dismantling and disconnecting old ACSR conductor from existing steel structure and S&F in repair ACSR conductor of(Panther) having Al dia 30/3.00mm and steel dia 7/3.96 mm, laying properly on insulators etc at HT 33 KV grid station complete all as specified and as directed by Engineer-in-charge |
| 4 | S&F for announciation facia 8 window suitable for 24 V DC inclouding taking down old relay by disconnecting all electrical connection from panel complete all as specified and as directed. |
| 5 | S&F for 24 V DC LED indication lamps of accessories of different colours including taking down old one. |
| 6 | S&F for 24 V DC Hooter suitable for 33 KV relay panelincluding taking down old one complete all as specified and as directed. |
| 7 | S&F for digital protection relays 3 OC (Over Current) + 1 EF (Earth Fault)including taking down old one complete all as specified and as directed. |
| 8 | S&F for "T" Clamp for droppersincluding taking down old one complete all as specified and as directed. |
| 9 | S&F for PG Clampsincluding taking down old one complete all as specified and as directed. |
| 10 | S&F for "D"Clampsincluding taking down old one complete all as specified and as directed. |
| 11 | S&F for Straight CT & PT bushing Clamps including taking down old one complete all as specified and as directed. |
| 12 | S&F for 11 KV HRC barrel fuse including taking down old one complete all as specified and as directed. |
| 13 | Taking down unserviceable Drop out fuse set and supply and fix drop out fuse set outdoor type ratio 400 Amps of 33 KV mounted on insulator and steel frame complete all as specified and directed. |
| 14 | M&L for repairs to 11 KV VCBs by replacement of tripping coils, DC shunt Motors 230 Volt, Bridge mechanical gear wheels with all moving parts, latches and releasing parts, over driven stoppingand restarting mechanism, including greasing, servicing etc complete all as specified and as directed.. |
| 15 | Dismantling and taking out old existing unserviceable or broken insulators of any discription or any size |
| 16 | S & F forSingle Pin type insulator, porcelain, vitreous 145 mm high and 225 mm dia ball and socket type, brown,assembly for tension with tension clamps for conductors, 33000 volts complete all as specified and as directed |
| 17 | S & F Single Disc type insulator, porcelain, vitreous 145 mm high and 225 mm dia ball and socket type, brown,assembly for tension with tension clamps for conductors, 33000 volts complete all as specified and as directed |
| 18 | Supply of post insulator with GI rod post for holding fixed/moving contact assembly including fixing arrangement suitable for Air break gang operated switch 800 Amps 33KV volts grade including taking down complete all as specified and directed. |
| 19 | Supply, installation, commissioning and testing of lightening arrestor station type conforming to IEC 60099 of 2006 IS 3070 ( up to date) complete with all fittings, transmission class 36 KV 10 KA 50 Hz suitable for system voltage 33/36 KV (using extra porcelain base to increase the distance between live portion and earth). Note:- Gap between live portion to earth should not be less than 600 mm including taking down old one complete all as specified and as specified |
| 20 | S & F for Potential transformer33 KV out doortype ,electromannetic , single phase, oil filled, Self cooled, having shaped poecelain bushing shaded porcelain bushing as per Is; 2099, suitablefor operation under the service conditions with protection from sun, rain and dust, shall be oil immersed type provided with Class A insulation. prevent air & moisture from entering the tank. burdens ranging from at least 25 % to 100% of rated burden over to 100% and 190% rated voltage incase of protective cores and a voltage range of 80% to 120% (0.8PF laggeing) completeincluding taking downold unserviceable complete all as specified and directed. |
| 21 | S & F Curent transformer33 KV out doortype ,electromagnetic , single phase, oil filled, Self cooled & hermetically sealed , ratedcontinuous thermal current 120% of rated, rated short time with stand 25 KA(RMS) Acuuracy class 0.5 /5 P10, Burden(VA) 15/15 complete including old unserviceable complete all as specified and directed. |
| 22 | Disconnecting and taking down old unserviceable control cable, any size & any description and supply, fixing, testing and commissioning of LT 1100 volts 1.5 Sqmm 7 core copper conductor armoured cable connecting the cable in position properly by providing suitable new copper lugs GI bolts, nuts & washers etc complete all as specified and directed. |
| 23 | Disconnecting and taking down old unserviceable control cable, any size & any description and supply, fixing, testing and commissioning of LT 1100 volts 2.5 Sqmm 10 core copper conductor armoured cable connecting the cable in position properly by providing suitable new copper lugs GI bolts, nuts & washers etc complete all as specified and directed. |
| 24 | Disconnecting and taking down old unserviceable control cable, any size & any description and supply, fixing, testing and commissioning of LT 1100 volts 1.5 Sqmm 3 core copper conductor armoured cable connecting the cable in position properly by providing suitable new copper lugs GI bolts, nuts & washers etc complete all as specified and directed. |
| 25 | XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavyduty) with aluminium conductor, 11000 volts Earthed, grade cross sectional area 95 sq. mm including taking down old cable complete all as specified and as specified. |
| 26 | XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavyduty) with aluminium conductor, 11000 volts Earthed, grade cross sectional area 185 sq. mm including taking down old cable complete all as specified and as specified. |
| 27 | Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm including taking out old one complete all as specified and as specified. |
| 28 | Cable jointing kit for 11 KV (Earthed) grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm |
| 29 | Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmmincluding taking out old one complete all as specified and as specified. |
| 30 | S&F for DC spring charge control motor of capactiy 0.1 KW, current rating 1.3 A, 230 V for totally enclosed of 33 KV VCB control panel |
| 31 | S&F for shunt trip 30 V DC coils for 33 KV VCB including taking down old one complete all as specified and as directed. |
| 32 | S&F for shunt trip 30 V DC coils for 11 KV VCB including taking down old one complete all as specified and as directed. |
| 33 | S&F for digital frequency meter including taking down old one complete all as specified and as directed. |
| 34 | S&F for digital ampere meter including taking down old one complete all as specified and as directed. |
| 35 | Decarbonising / cleaning complete of HT 33KV/11 KV VCBs, relay panels including servicing of all mechanical gear wheels, moving parts, and checking all tripping mechanism , all electrical connections complete, cleaning with petrol and CRC 226 spray solution and ensure proper de-carbonisation, reset the same after completion all as specified and directed by Engr-in- charge. (Note:- Required spare parts are measured and paid separately) |
| 36 | Cleaning and servicing of HT 33/11 KV Structure by greasing, cleaning, servicing of jumpers and tightening of nut & Bolts etc. and rejumpering wherever required and painting with two coats of aluminium paint over a coat of zinc chrome primer from main recieving point to distribution bus bar bay structures up to transformers inside MRS Ramgarh Cantt (Note:- 1. Quoted rate is inclusive of all requirement accessories i.e. Nut & Bolts, Connecting rod type ACSR & Jumpering materials etc) |
| 37 | M & L for painting to existing steell tubular/concrete HT poles 11m long including cross arms, channels, angle iron support, bracings, clamps etc., with two coats of aluminium paint superior quality dust proof and weather proof of approved make on surfaces exposed to view and making 30cm wide strips (total 5 Nos) with red and black paint of radium/photosynthetic paint alternatively on external surface above PCC benching including preparation of old painted surfaces by scraping etc complete all as specified and as directed. |
| 38 | M&L for preparation of oldpainted steel surface of any description over 10cm width or girth and applying one coat of synthetic enamel paint of approved colour of 33KV sub stn fencing fixed on compound wall including gates of MRS complete all as specified anddirected. |
| 39 | Supply & Fix for Electric Shock & its treatment chart board with plastic coated and aluminium frame standared size suitable for EHT/HT Sub Stn complete all as specified and directed by Engr-in-Charge. |
| 40 | Supply & Fix forFirst Aid Box with medicine complete all as directed by Engr-in-Charge. (Note:- Item will be taken charge on T&P ledger) |
| 41 | Supply & Fix for schematic diagram 33/11KV MRS on board with aluminium frame complete, size as per sample or as specified and directed by Engr-in-Charge. |
| 42 | Supply & Fix for Instruction board with aluminium frame of size not less than 1.21x0.9 Mtrs including writing instruction complete all as specified and directed by Engr-in-Charge. |
| 43 | Supply & Fix for caution plate "CAUTION MEN AT WORK" of size 40cm x 10 cm made out of white acrylic sheet with red coloured glow tape complete all as specified and as directed by Engr-in-Charge |
| 44 | Supply and replacing Dry Chemical type fire extinguisher 5Kgs -1 Nos , Co2 type fire Extinguisher 10 Kgs-01 Nos , gas pressure CTC fire extinguisher -01 No, Fire bukets Ms type 10 ltrs capacity - 03 nos , Fire huch with stick (Bombu)- 01 Nos , Fire padel with Stick (bombu) - 01 no, Good quality Robe 150 sqmm - 30 Mtrs complete all as specified and directed. |
| 45 | M & L for restraining ofHT /LT over head linesingle ACSR conductorcomprising of any size of conductor aluminium/copper/GI after opening binding wire from insulators and replace binding wire and achieved permissible sag limit of over head line conductor complete all as directed and specified. |
| 46 | Material and labour for spreading and leveling evenly(any thickness) 40 mm graded stone aggregated complete all as specified and directed. |
| 47 | Supply and fixingmild steel galvanised stay assembly set complete comprising of 14mm dia, 400mm long stay bow, 2150mm long stay rod 20mm dia,300mm x 300mm x 6mm stay plate, thimble, loop insulator large size all as shown in electrical plate No.1 of MES Schedule part-I 2010 complete including dismantling and taking out old damaged stay complete all as directed. Note :- PCC , earth work and Insulators etc shall be measured and paid separately |
| 48 | Supply and fixingsteel tubular pole, swaged, complete with cast iron base plate, finial taper plug, bolts, nuts, washer and screws including painting with two coats of aluminium paint over one coat of red oxide primer on all exposed surfaces and tarring with black bituminous paints to portion embedded including numbering of poles with two coats of synthetic enamel paints, type 410-SP-55 ( 11 meter long) complete, Including disconnectingand taking outold damage any type pole all as directed . Make - National Tubing co/ Indian tube co ltd / Bharat Conduit & steel works kanpur .Note- Earth work and PCC shall be measured and paid separately as these respectively. |
| 49 | M&L forSynthetic insulating rubber mat suitable for 33 KV HT installationof size2 m x 1m x 25 mm completeall as specified and directed . |
| 50 | Supply & Fix danger notice plate of 1.6mm thick mild steel sheet, vitreous enameled white, with letters, figures and conventional skull and bones in signal red colour and fixed with 25 x 3mm thick MS clamps, bolts and nuts of approved size, for HT, 25 x 20 cm size including taking down complete all as specified and directed. (Note:- Item will be taken charge on T&P ledger) |
| 51 | Material and labour for earthing complete with galvanized steel earth plate electrode 600mm x 600mm x 6mm buried directly in ground vertically to a depth not less than 2.25 metre below normal ground level (with top edge of earth plate not less than 1.5 metre below ground level) connected to galvanized iron earth strip 32mm x 6 mm (main earthing lead) by means of galvanized bolts, nuts and washers all as shown in electrical plate No 3 of MES Schedule Part-I (2009) connected to earth test point & to main switch board with & including adequate quantity of charcoal dust and common salt around earth plate & 40 mm dia GI pipe medium grade for earth lead protection pipe for suitable length and GI pipe 20 mm dia medium grade for watering pipe with funnel & wire meshincluding necessary earth work and PCC (1: 3 : 6) type C-1 for earth pit , internal surface of concrete shall be given 10mm thick plaster in CM 1:4 and 40 mm thick precast RCC cover 1 : 2 : 4 ,type B-1( using 20 mm graded crushed stone aggregate ) reinforced with8 mm dia TMT bars @ 75 mm c/c both ways with 12mm dia round bar as in handle including taking down of existing earthing completeall as specified & directed by Engineer-in-Charge. Note: (i) Test result of earthing to be submitted by the contractor for all earthing .(ii) Earth filling shall be done by vegetable soil. (iii) Soil should be free from stone, boulders,aggregates,gravel etc.(iv) The rate quoted by the bidders shall be also be deemed to include :-(a)Excavation upto 2.5 mtr depth and returning filling in any type of soil and disposal of surplus soil. (b) Supply of charcoal and common salt. |
| 52 | Excavation, in trenches n.exc 1.5 m wide & n.exc 1.5 m in depth for laying of cable/pipes and getting out in hard/dense soil, complete all as specified and as directed. |
| 53 | Removal of excavated soil to a distance not exc 50 m and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as directed. |
| 54 | Returning, filling in, including spreading, leveling, watering andwell ramming in layers notexceeding 25 cmcomplete all as specified and directed . |
| 55 | M&L forSand cushioning in cable trenches for cable protection with clean dry sand before laying the cable,a layer of sand of 8 cm depth and 15cm after laying ofthe cable has been properly straightenedincl gently punning in a layer of(total 23 CM) in thickness all across the laid portion of LT Cable in trenches complete all as specified and directed. |
| 56 | Supplying and laying for reinforced precast concrete cable cover class LV, type 2, flat, size300mm x 180mm x 40mm complete all as specified and directed . |
| 57 | S&F steel work in tubular trusses including special shaped washer etc complete using ERW or induction butt welded tubes confirming to I.S. 1161-1998 |
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