Military Engineer Services-MES has published Repair And Preventive Maint Of Transformers, Vcbs, External Ht Switching System And Allied Works At Tenga Grn Under Ge 859 Ews.. Submission Date for this Tender is 20-07-2022. Switch Supply Tenders in tenga Arunachal Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 08-Jul-2022 | CHANGE IN DATE | Date | 20-07-2022 |
| Sl. No. | Item Description |
| 1 | Excavation in trenches not exceeding 1.5 meter wide and not exceeding 1.5 meter in depth for foundation of poles/laying of under ground cables etc and getting out in hard/dense soilcomplete all as specified and as directed. |
| 2 | Returning, filling in including spreading, levelling, watering and well ramming in layers n.exc 25cm thick complete all as specified and as directed. |
| 3 | Removing excavated material n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point complete all as specified and as directed. |
| 4 | Supply and spreading clean dry river sand in trenches for cushioning of UG cables complete all as specified and directed. |
| 5 | Supply and laying in replacement un-reinforced precast concerete cable cover, class HV, type 1 flat size 300mm x180mm x 40mm for cable protection complete all as specified and directed. |
| 6 | S&L in trenches or fixed to pole or passing trough pipe XLPE insulated, screened, PVC bedded, galvanised steel strip armoured, overall PVC sheathed electric power cables (heavy duty) with aluminium conductor, 11000 volts grade (Earthed) cross sectional area 95 Sqmm 3 core incl dismentling / taking down unserviceable cable/ACSR conductor one complete all as specified and directed. Make of Cable : Havells/Polycab/HPL/Grandley/Finolex |
| 7 | S&F Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size95 sqmm incl dismentling / taking down unserviceable one complete all as specified and directed. Make : Raychem/Denson/M Seal/MS Seal |
| 8 | S&F Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm incl dismentling / taking down unserviceable one complete all as specified and directed. Make : Raychem/Denson/M Seal/MS Seal/3M |
| 9 | S&F GI tubing 100mm bore medium grade for cable protection under road crossing incl dismentling taking down unserviceable one complete all as specified and directed.Make : Jindal Pipes / TATA / BST / Prakash Tubes / Oswal |
| 10 | Dismetling and taking down old/unsv ACSR conductor any size complete all as specified and directed. |
| 11 | S&F ACSR conductor incl jointing with existing conductor and stringing on pole and proper fastening to insulators with aluminium binding wires and required jumpering connection including dismentling taking down unserviceable one all as directed. |
| 12 | S&F 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 paint incl dismentling taking down unserviceable one all as specified. |
| 13 | S&F Disc type insulator porcelain, vitrous 145mm high and 255 mm dia ball and socket type white, brown or green double disc with tension clamp for conductor for working pressure voltage 11000 V including dismentling taking out unsv one from Pole complete all as specified and directed. |
| 14 | S&F pin type, porcelain, vitreous, brown, including one galvanised mild steel spindle, two galvanised iron washer and one galvanised iron nut, 150mm dia and 150 mm height for 11000 volts grade including dismentling taking out unsv one from Pole complete all as specified and directed. |
| 15 | S&F Switch Air break, gang operated, triple pole, mechanically operated mounted on 12 insulators of size 150mm dia and 150 mm height and steel frame with operating mechanism worked from ground level for current rating upto 200 Amps, 11000 Volts with locking arrangement incl drop out fuse upto 25 Ampincl dismantling and taking down old unsv complete all as specified and directed. Make - Jaipuria / Pactil / ALPRO / OBLUM / Jayshree |
| 16 | M& L for painting of HT steel tubular pole including cross arm/ bracing/clamps complete with one coat of aluminum paintincl cross arm, bracings, supports, nuts, bolts, of HT OH line from above copping to top of pole complete all as specified and directed. |
| 17 | M/L for trimming of branches of trees touching HT electric over head line by climbing up tree or using ladder at a height not less than 9.5 mtr from GL and making clear about 3 mtr in radius and carrying and depositing where directed not exceeding 50 mtr complete all as specified and directed. |
| 18 | S&F Voltmeter Selector Switch suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 19 | S&F Volt Meter suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 20 | S&F Fuse (16/10/6/2) Amp suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 21 | S&F Indicating Lamp suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 22 | S&F Motor Charging Cut limit switch suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 23 | S&F Motor Charging Mechanical Assembly suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 24 | S&F Motor Charging closing and indication limit switchsuitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 25 | S&F Tripping catch leaver spring suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 26 | S&F Vaccume630 Amp 350 MVA suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 27 | S&F Big Gear charging suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 28 | S&F Small gear charging suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 29 | S&F Rack n out horizontal VCB with berm shaft wheel complete suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 30 | S&F TNC Switch suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 31 | S&F DC Diod suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 32 | S&F Charging Handle suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 33 | S&F Rack n out handle suitable for HT VCB 11 KV complete all as specified and directed.Make : CG |
| 34 | S&F Tripping and closing coil 110 Volt DC suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 35 | S&F Mechanic charging spring suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 36 | S&F Mechanical inter locker 2 IC/1 Bus coupler for VCB suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 37 | S&F Trip Shaft for vertical VCB suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 38 | S&F Free lock push trip shaft attach assembly suitable for HT VCB 11 KV complete all as specified and directed. Make : CG |
| 39 | M&L for replacement of spring charging motor, AC 230 volts suitable for existing HT VCB Panel complete all as specified and directed. |
| 40 | M&L for replacement Mechanism Assembly set completesuitable for existing HT VCB 11 KV complete all as specified and directed. Make : CG. |
| 41 | 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 complete all as specified and directed. Make – Power / GULF/Castrol/ HP /IOC /Savita . |
| 42 | M & L for filtration/dehydration transformer oil of transformer voltage grade 11/0.433 KV, capacity 63 KVA to 2.5 MVA indoor/outdoor type, pole mounted / plith mounted installed at various electric sub station/ pump housed atAOR of AGE E/M in situ till achieve dielectric strength min 40 KV all as specified and directed. |
| 43 | M & L for replacement of silicagel grains in the breather assembly of transformer complete all as specified and directed. |
| 44 | M&L for openning of top cover in situ or at wksp by unscrewing all nuts, bolts & washers, daining out transformer oil upto required level and keeping in clean container for replacement of HT/LT bushings,for lifting of core assy, for cleanning/repair and refixing complete with new cork sheet gusket, existing/new nuts, bolts & washers for transformer indoor/outdoor type, refilling of oil all as specified and directed. (Note:-HT/LT bushings, Studs, Nuts, bolts & washers required new mesured here-in-after as separate item.) for transformer capacity upto 63 KVA to 400 KVA, 11/0.433 KV volts grade |
| 45 | M&L for replacement of transformer porcelain bushing outdoor/indoor type in situ/wksp suitable for 11 KV grade complete with brass stud, rubber bush, washers, nuts, checknuts and cork sheet gasket for the rating of 63 KVA to 400 KVA, 11/0.415 KV transformer complete all as specified and directed. Note:(a) Opening of top cover measured separately |
| 46 | M&L for replacement of transformer LT porcelain bushing indoor/outdoor type in situ/wksp suitable for 1100 volts grade complete with rubber bush, washers, nuts, checknuts and cork sheet gasket for the rating of 63-200 KVA, 11/0.433 KV transformer complete all as specified and directed. Note:(a) Opening of top cover measured separately. (b) Brass stud measured separately |
| 47 | All as per item No-46 here-in-before but for transformer capacity 250-400 KVA complete all as specified and directed. |
| 48 | M&L for replacement ofbrass stud suitable for LT 1100 volts grade with con & rubber washer, double Brass nuts & brass washer at both end of stud for Tr cap 63-200 KVA complete all as specified and directed. |
| 49 | All as per item Ser No-48 here-in-before but for transformer capacity 250-400 KVA complete all as specified and directed. |
| 50 | M & L for lifting up carefully transformer core after dismentling carefully terminal connections from core to HT/LT bushings, tap changer assy,drainout all oil and keeping in clean container, dismentling all HT & LT coils from core for rewinding, and reassembling complete with HT/LT coils to core, required necessary numax paper insulation, insulating press board, precompressed board size of 6mm/3mm/1.5mm/1mm, vernishing, heating to achive insulation level not less than 1000 megaohms at both HT & LT side, core at transformer chamber, tap changer assy, terminal connection, top cover with new cork sheet gusket, required existing/new nuts, bolts & washers,filling transformer oil, testing after repair complete all as specified and directed for the 63-400 KVA, 11/0.415 KV transformer. (Note:- Opening of top cover, Rewinding of HT/LT coils,transformer oil, nuts, bolts & washers, HT/LT busings, required new mesured separately under appropriate item) complete all as specified and directed. |
| 51 | M&L for rewinding of HT coils suitable for 11000 volts grade with new DPC/super enamelled copper wire having Class-F insulation as per existing size and turns for capacity of transformer 63-400 KVA complete all as specified and directed. |
| 52 | M&L for rewinding of LT coils suitable for 1100 volts grade with new DPC /super enamelled copper strip having Class-F insulation as per existing size and turns for capacity of transformer 63-400 KVA complete all as specified and directed. |
| 53 | M&L for rewinding of LT coils suitable for 1100 volts grade with existing DPC /super enamelled copper strip having Class-F insulation as per existingturns for capacity of transformer 63-400 KVA complete all as specified and directed. |
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