Tender For corrigendum : supply installation testing commissioning of lt panels under replacement scheme along with bus ducting earthing other associated works in electric sub stations in mn and ms area of ndmc
Tender For supply of as per boq d d - main lt panel indoor type with fp ai high safety mode technology , apfc capacitor panel 1250 kvar indoor type with aluminium tp , vacuum circuit breaker panel 11 kva 800 amp and vcb panel , transformer 3500 kva input voltage 11 kv output voltage 415 v , earthing arrangement copper plate earthing with 50 kg of chemical earthing transformer - 3500 kva technical specification- 1- capacity : 3500 kva, 2- input voltage : 11 kv, 3- output voltage : 415 v, 4- number of phase : 3 phase 5- applicable standard : standard, 6- number of winding : 02 nos, 7- installation type : outdoor, 8- cooling type : onan, 9- terminal arrangement : bare, bushing for hv side & 10- cable box for lv side., 11- vector group : dyn 11, 12- ambient temperature : 50 c, 13- temperature rise of oil : 40 c, 14- temperature rise of winding : 45 c, 15- impedance : 6.25% (subject to +/-10% tolerance), 16- transformer oil : "a grade" tested & certified as per is:335 standard., 17- no load losses : as per is standard, 18- full load losses : as per is standard, 19- copper : pure electrolytic grade, 20- tapping mode 01 nos - rotary type off circuit tap changer (octc) with locking arrangement & tap indication., 21- basic insulation leve for hv : 75 kv peak / 28 kv rms, 22- basic insulation level for lv : - / 3 kv rms, 23- tapping range +5% to -5% in steps of 2.5% by off circuit tap changer (octc)., (a) earthing arrangement (1) copper plate earthing 600x600x6 mm with 50 kg of chemical compound depth around 10 meter with testing pit. (2) gi plate earthing 600x600x6 mm with 50 kg of chemical compound depth around 4 meter with testing pit. (3) copper strips 50*6 (4) gi strips 50*6 make premium, (b) cables and accessories (1) 3 c x 240 sqmm al armoured ht cable (2) joint kit (3) 3.5 c x 400 sqmm al ) /bid number : gem/2025/b/6768705 * /dated: 17-10-2025 & & / bid document 1 / 19
Tender For corrigendum : procurement of various type of coil for 36 kv vcb, terminal connector for 245 kv , 145 kv and 33 kv ct, pt, cb, la, pi , different type of pg clamps , earthing discharge rod and 150 watt led outdoor flood light for routine maintenance at 220 kv s/s h
Tender For maint/repairs to lt ug cables, lt air circuit breakers, lt panels, capacitor banks and allied works, existing earthing pits and other miscellaneous work, cooling appliances and internal electrifications including replacement of u/s light fittings with led lig
Tender For corrigendum : repairs and maint of ht / lt distribution network incl repairs to ht vcbs, transformers, voltage stabilizers, lt cables, switch gears and repairs to lt panels, earthing and connected works and improvement of e/m installations etc at cvrde avadi
Tender For repair replacement of lightening protection of high rise store yard earthing and certain miscellaneous works old cantt area under ge gangtok
Tender For corrigendum : repair maint of external electric supply lt panels mccbs earthing cables and their connected item at upper swastik hanuman tok and ganesh tok under ge gangtok
Tender For repair/ maintenance of internal electrification including cooling/ heating appliances and lightning protection, earthing including other miscellaneousellaneous e/m work and repairs to various utility services and other miscellaneousellaneous works at nmrl ambernath