Military Engineer Services Tender

400 to 500 KVA

1000 KVA

Disconnecting and taking down old existing transformer up to 500 KVA capacity of any description and in any position from the existing indoor/outdoor substation, shifting the transformer to new location not exceeding 6KM away from the starting point and installation, fixing and commissioning the transformer, connecting the incoming and outgoing connection including testing the transformer complete all as specified and directed

Dismantling andTaking down the unserviceable breather assembly with silica gel complete for 100 KVA to 1000 KVA transformer and supply and fix cast iron breather assembly complete with breather unit and silica gel including connecting with proper rubberized gasket complete all as specified and directed.

Disconnecting defective indoor/outdoor type transformer of various capacities 100KVA to 160KVA from HT/LT sides taking out transformer oil completely storing the oil in suitable container (to be provided by the contractor) lifting the top cover and core assembly carefully and checking the condition, refilling the transformer oil completely after necessary repair, and fixing the top cover complete all as specified and directed. Note:- (a) Rewinding of the transformer shall be measured and paid saperately. (b) In case of major repairs/replacement in transformer which cannot be undertaken at site the transformer shall be shifted to civil workshop and the quoted rate shall be exclusive T&P and transportation from site to wrok place and back after repair work. (c) Dismantling of core and repairs shall be measured and paid saperately. (d) Shifting of transformer shall be measured and paid saperately.

All as per item No 4.00 above but for transformer of capacity exceeding 200 KVA but not exceeding 315 KVA.

All as per item No 4.00 above but for transformer of capacity exceeding 400 KVA but not exceeding 500 KVA.

All as per item No 4.00 above but for transformer of capacity 1000 KVA .

Dismantling and taking out the existing unserviceable circuit tap changer assembly and supply and fixing of circuit tap changer assembly suitable for any make of 100KVA to 500 KVA transformer with 7 tapping position including opening top cover breaker etc complete all as specified and directed. Note: - Contractor is solely responsible for making good of any damage to transformer during tap changing operations.

All as per item srl No 8.00 above but make of 1000KVA

Supply, filling and for topping up the transformer/OCB’s with new transformer oil complete. Make : SAVITA/POWER OIL/SERVO/GAIL Note:- (a) The transformer oil shall be type EHV confirming to IS 3357 of 1983 (b) Mineral oil grade 'B' shall be used. (c) The transformer oil should have a high dielectric strength 60KV.

M&L for isolating the HT/LV supply from power transformer 2.00 to 3.15 MVA capacity by disconnecting HT 33 KV line & 11 KV line and opening clamps, bus bar extension and isolating disconnecting HT 33KV and 11KV connecting to transformer by opening clamps, bus bar extension and isolating the transformer from bus bar out door type, shifting the transformer to civil workshop. Decanning transformer oil complete taking out cores and windings from body and put in oven for heating the coils for improvement of insulation resistance till proper insulation results achived, cleaning transformer body inside and out side complete, painting with two coats of super enamelled paint inside and out side the body complete after scratching and removing old paint layers, refixing cores and coils in transformer body. Refilling oil, dehydration and filteration of oil to improve the dielectric strength /insulation value of transformer oil upto 60 KV and carryout test results such as megger test, Ratio Test, magnetic balance test, short circuit test, full load test, including replacement of wornout nuts bolts, all gaskets, packing sheets, sleeves, temp gauge etc complete reshifting the transformer at MRS install on platform and connecting HT 33 KV /11 KV connection incl replacement of clamps nuts bolts & washer complete connecting and making control wiring system in serviceable condition and testing of transformer on full load complete all as specified and directed. Note : Test report of transformer shall be submit to Engr-in-Charge duly signed

Filtration/dehydration of transformer oil through filtration plant including recording of dielectric strength result before and after of dehydration. Necessary test report shall be submitted to Engr-in-Charge for each transformer to improve the dielectric strength/insulation value of the transformer oil upto 60KV. NOTE:- (a) The contractor shall be take shut down orders in working before commencement of the work from Engineer-in-charge. (b) The contractor shall ensure no wastage in transformer oil (c) The contractor solely responsible for any damage to the transformer during filtration operations. He is responsible for making good any damage to the transformer at his own cost without any extra cost to the department (d) The contractor shall ensure that the conservator tanks are full to its level before starting the dehydration.

S&F in repair temperature gauge of existing specification/ Model ISI/BS marked complete all as specified and directed.

Supply and fixing silica gel complete all as specified & directed

Supply only insulation material PCB electrical grade such as barriers coil to coil insulation block and rings insulation cylinders, ebonite sleeves complete all as directed.

Removing and refixing of new HT & LT coils/strips, disconnecting the 100 KVA to 160 KVA 11KV/433Volts indoor/outdoor transformer HT/LT side, taking out transformer oil completely, storing the oil in suitable container/barrels properly cleaned ones (to be provided by the contractor) lifting the transformer from the sub station, shifting of transformer to civil workshop, lifting the top cover and core assembly carefully and taking down 11KV/ 433 volts copper LT coils and 11KV HT coils from the transformer and S&F new HT & LT copper coil made out of proper size suitable for DPC copper wire of high quality suitable rating sleeve insulating materials like varnish etc, complete after necessary arrangement with new coils, necessary insulation spacing blocks, runners and proper refixing of core complete all as specified and directed.

Note:- (i) HT & LT copper coil/strips and insulation material PCB electrical grade such as barriers coil to coil insulation block and rings insulation cylinders, ebonite sleeves shall be measured and paid separately under relevant item of schedules/BOQ. (ii) The rate quoted is deemed to be included for cutting / chipping of RCC and for the minor grill work such as PCC, plastering foundation work. (iii) Proper drying shall be done in drying chamber after drying, taking the core coil assembly, filling the filtered transformer oil having good dielectric strength, replacement of suitable size rubberized cork gasket, bolts and nuts etc complete by fixing top cover, conservator etc, through cleaning and painting to the transformer with good quality paint complete and testing complete at civil workshop. (iv) Transformer oil shall be measured and paid separately under relevant item of schedule. (v) Installation of transformer, testing and connecting the both HT & LT cables, commissioning of transformer after checking voltage and all loading the transformer to the full load all as specified and directed. (vi) The cost of coil will be inclusive of varnish sleeving and insulating material.

All as per item srl No 16.00 above but for transformer of capacity exc.160 KVA but not exc 315 KVA.

All as per item srl No 16.00 above but for transformer of capacity exc. 315KVA but not exc 500 KVA.

Supply only new LT copper strips made out of proper size of DPC copper strips super enameled of high quality matching with the existing impedances and insulation for 100 to 1000 KVA transformer complete all as specified and directed.

Supply only new HT copper coil made out of proper size DPC copper wire super enameled of higher quality matching with the existing impedance and insulation for 100 to 1000 KVA transformer complete all as specified and directed.

Supply and fixing with replacement HT bushing assembly including brass stud nuts washers insulators etc. suitable for indoor/outdoor transformer of capacity 100 to 1000 KVA complete all as specified and directed

Supply and fixing with replacement 12mm dia LT bushing assembly including brass stud nuts, check nuts washers oil seal insulators etc complete all as specified and directed

All as per item srl No.22.00 above but of size 16mm dia

All as per item srl No. 22 above but of size 20mm dia

Opening the 1000 KVA transformer cover along with the conservator by removing the nut bolts then after removing the internal HT & LT connections by taking them out by removing studs, bushings taking out the core winding assembly out of the tank of the transformer, cleaning of core assembly by spraying forced TR oil, having ratio 11/0.433KV, draining & decaning of burnt transformer oil and clearing of sludge deposited in the tank with CTC for the transformer. Reconditioning of LT coil, Heating of core winding assembly in hot chamber for 48 hours and remove all the moisture present in it, removal of leakage of tank if any by carefully welding, refilling transformer oil to tank with filteration upto suitable die electric strength to tank, after putting the core-winding assembly into the tank, reassembling making the internal HT & LT connections by fixing the studs, bushing & fitting top cover by replacing cork sheet gasket along with conservator, testing the transformer in the workshop duly filled with oil, including transportation of transformer from site to workshop and vice a versa complete all as specified & directed. Note:- (i) unserviceable items required for repairs shall be measured and paid under relevant item of this schedule/BOQ. (ii) Transformer oil with die electric strength not less than 60 KV either new or filtered shall be filled and shall be measured and paid separately under respective item.

Opening the 250 KVA to 500 KVA transformer cover along with the conservator by removing the nut bolts then after removing the internal HT & LT connections by taking them out by removing studs, bushings taking out the core winding assembly out of the tank of the transformer, cleaning of core assembly by spraying forced TR oil, having ratio 11/0.433KV, draining & decaning of burnt transformer oil and clearing of sludge deposited in the tank with CTC for the transformer. Reconditioning of LT coil, Heating of core winding assembly in hot chamber for 48 hours and remove all the moisture present in it, removal of leakage of tank if any by carefully welding, refilling transformer oil to tank with filteration upto suitable die electric strength to tank, after putting the core-winding assembly into the tank, reassembling making the internal HT & LT connections by fixing the studs, bushing & fitting top cover by replacing cork sheet gasket along with conservator, testing the transformer in the workshop duly filled with oil, including transportation of transformer from site to workshop and vice a versa complete all as specified & directed. Note:- (i) unserviceable items required for repairs shall be measured and paid under relevant item of this schedule/BOQ. (ii) Transformer oil with die electric strength not less than 40 KV either new or filtered shall be filled and shall be measured and paid saperately under respective item.

Material and Labour for earthing complete with GI earth plate electrode 600mmx600mmx6mm thick burried in ground vertically to a depth not less than 2.25meters below ground level with top edge of the earth plate at a depth not less than 1.5 meter below the ground level, earth plate surrounded 15cm thick layers of common salt and charcoal dust starting from ground below 15 cm of earth plate and up to 15 cm above the same. GI plate connected with galvanised iron strip of 32x6 mm by means of Copper nuts, bolts and washers. Strip laid in 40mm dia light grade GI pipe as protection from top of the plate up to test point (cost of protection pipe up to 7.5 meters from earth electrode will be included in the rates quoted by the contractor) with following complete all as specified and shown in electrical plate No 3 of SSR Part-I & testing on completion :- (a) GI strip of size 32mm x 6mm. (b) Watering pipe GI light grade 20mm dia from top of the earth electrode up to MS funnel with wire mesh embeded in floor of PCC earth pit. (GI Funnel should properly tightned on GI watering pipe and embeded in PCC floor of earth pit with open top suitable for watering of earth pits) (c) Excavation & earthwork in any type of soil PCC earth pit 30x30x30cm constructed in PCC 1:2:4 type B1 exposed surfaces smoothly finished with 15mm thick cement mortar 1:6 plaster including RCC pit cover 50mm thick 1:2:4 type B1 reinforced with 8mm dia mild steel bar 75mm centre to centre with 2 Nos MS handles of 12mm dia suitable for carrying of pit cover.

Demolition of cement concrete/road in ground floor and paving n. exc 15 cm thickness below or above ground level including removal of rubbish to a distance exc 1.50 Km and n.exc 5.00 Km etc complete all as specified & directed

M & L for 100 mm thick PCC 1:2:4 type B2 (using 40 mm graded stone aggregate) complete all as specified and directed .

M & L for 40 mm thick PCC 1:2:4 type B1 (using 20 mm graded stone aggregate) as in floor finishing even and smooth with using extra cement and making impression of expanded metal, whilst concrete making good as per existing surface etc complete all as specified and directed .

M & L in replacement, laying & jointing GI water tubing, 100 mm bore,medium grade as in sleeving etc laid in trenches / ducts / horizontal bore hole complete all as specified and directed

Labour only for Inspecting/Checking for operation of the servo voltage stabilizer 400 KVA to 1000 KVA, servicing /maintenance up to satisfactory level, so that the constant output voltage (For single phase 230-240 Volt & for 3 phase 415 volt with +- 2.5% volt correction factor ) can be supply to labs,in respective incoming voltage 360 Volts to 470 Volts with any variation in phase to phase complete all as directed Note: Spare parts requied for replacement shall be measured and paid saperately as supply only.

Supply only Servo digital panel

Supply only Servo motor

Supply only Voltmeter 96mm up to 500 Volt

Supply only Ampmeter 96 mm

Supply only Selector switch VSS RC

Supply only Selector switch ASS RC

Supply only RC

Supply only Carbon brush

Dismantling & taking out of old existing steel & iron items from poles such as cross arms of channels/angles etc, bracing, supports, clamps and back plate fabricated from structural steel sections including nuts & bolts, washers of any description and in any position from LT over head line poles/ street light poles complete all as specified & directed

Supply, fabrication and fixing for mild steel such as cross arms, bracing, supports, clamps and back plate 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 painting with synthetic enamel paint, one primer coat, one under coat and one finishing coat of any description of LT over head line poles/ street light poles complete all as specified & directed

M & L for jointing and testing outdoor type heat shrinkable end termination joint suitable for 11 KV, XLPE insulated cable of 95 Sqmm 3 core including taking out old unserviceable, Cutting the faulty outdoor end termination joint of any description and in any position complete all as specified & directed . Note :- (i) All Necesary T & P Blow lamp, HT Meger shall be arrange by the Contractor. (ii) The contractor will be rectified the joints with in 4 Hrs after detecting the faults. In case of failure the panelty of Rs=1000 per hour will be recovered from contractor's dues.

All as per ser item No. 34.00 above but for cable of size 120 Sqmm to 185 Sqmm 3 core

All as per ser item No. 34.00 above but for cable of size 95 Sqmm 3 core suitable for 33 KV.

M & L in replacement Jointing and testing of Straight through heat shrinkable joint suitable for 11 KV, XLPE/PVC insulated cable of size 120 Sqmm complete including cutting the faulty straight through joint of any description and in any position complete all as per specified & directed. Note :- (i) All Necesary T & P Blow lamp, HT Megger shall be arrange by the Contractor. (ii) The contractor will be rectified the joints within 6 Hrs after detecting the fault. In case of failure, panelty of Rs=1000 per hour will be recovered from contractor's dues.

Supply and fixing pin type porcelain, vitreous, white, brown or green insulators, including one galvanized mild steel spindle two galvanised iron washers and one galvanised iron nut, 150mm height and 150mm dia suitable for working pressure upto and including 11000 volts grade for HT lines fixed on poles complete all as per specified & directed.

Dismantling & taking down of existing worn out / unserviceable aluminium conductor, steel reinforced (ACSR) of any description /size & in any position from existing HT Poles/Lines all as specified & directed.

Supply and fixing of aluminium conductor, steel reinforced (ACSR) of any size/description on 33/11 KV HT poles/lines including tightening, binding to insulators with aluminium wire, making and connecting jumpers, connecting to isolators/transformer/CT using suitable lugs etc including commissioning and testing complete all as specified & directed