Military Engineer Services Tender

Draining out transformer oil, dismantling top cover alongwith conservator tank, taking out core and coil assemblies after disconnecting connections, rewinding of burnt out HV/LV coil with same size and type of super enamelled copper conductor and number of turns to get the same rating and insulating material such as paper insulator sleeves, heating etc. Putting back the core and coil assemblies into the tank after removing sludge and replacement of HT & LT bushing complete with brass terminal, refixing top cover and conservator including replacement of gasket, nut, bolts & washers (filling new transformer oil having 60 KV dielectric strength and carring out tests as per IS 2026 in presence of Engineer - in - charge for transformer 50 to 100KVA. NOTE : (I) New transformer oil and its filling shall be measured and paid separately under relevant items of schedule.(ii) Cost of rewinding material, insulation material and spares of transformer shall be measured and paid separately under relevant item of Sch .(iii)Replacement of spares will be on required basis all as directed by Engr-inCharge.

All as per item No. 4.00 here-in before but for 100 to 300 KVA

All as per item No. 4.00 here-in before but for 2000 KVA

Material for rewinding of HT coils with super enamelled copper winding wire of appropriate gauge and proper number of turns to get the same capacity along with insulating materials e.g. leathered paper insulation, cotton tape, empire tape, wooden blocks, PVC sleeves, soldering job, varnishing and heating, drying etc. complete to the satisfaction of Engr- in - Charge.

All as per item No. 7.00 here-in before but of LT coils with super enamelled Class B copper strip with Electrical Grade Insulating Kraft paper all confirming to IEC-60554-3-5 (1984).

S&F tapping switch (tap changer) 7 positions suitable to vary secondary voltage ± 2.5% to ± 7.5% suitable for transformers of capacity upto 2000 KVA all as directed

S&F in replacement bushing insulator made out of good superior quality ceramic, 1.1 kV, suitable for transformers of including 50 to 600 KVA

S&F transformer HV bushing made out of good superior quality ceramic, 11 kV rating, 200 Amps

S&F including with terminal rod made of brass both ends screwed with double washer and brass nut at both ends of superior quality including bushing insulator and gaskets for transformer 50 to 100 KVA

All as per item No. 12.00 here-in before but for 150 to 300 KVA

All as per item No. 12.00 here-in before but for 2000 KVA

M&L for replacement of arc horn surge arrester complete with mounting ring, nut bolt etc. of approved make suitable for transformer of rating upto 300KVA complete all as specified and as directed.

M&L heat shrinkable bus bar protection tubes suitable for 25kV to be applied on rectangular bus bars copper/aluminium after proper cleaning of the bus bar for the complete satisfaction of Engr-in-charge.

S &F Breather assembly for transformer complete all as specified and as directed.

Dial type temperature gauge 100 mm dia. with dual calibration in degree Celsius and degree Fahrenheit, range 0 to 50˚c and equivalent degree Fahrenheit complete with capillary tube and sensor complete all as specified and as directed.

M&L for replacement of existing unserviceable silica gel granules with new Self-indicating Orange to Green Silica Gel granules from transformer breather assembly complete all as specified and as directed.

M&L for painting of transformers of rating 50 to 100 KVA with two coats of first quality synthetic enamel paint by spray painting technique after cleaning the body surface of transformer by rubbing with emery paper to remove oil stains, dust, etc. incl. writing SM/ MES numbers complete all as specified and as directed.

All as per item No 20 but of rating 150 to 300 KVA

All as per item No 20 but of rating 2000 KVA

M & L for sheet metal work for repair to Transformer LV/HV cable termination box, mounting supports and other misc works, as directed by Engr-n-Charge, all as per existing size and shape of the boxes with 2 mm thick MS sheet duly painted with super enamelled paint - 02 coats over one coat of red oxide primer including necessary cutting, welding, fixing, nuts, bolts, washers, rubber sheets, etc. complete all as specified and as directed.

S&F heat shrink right angled boots for XLPE 1.1 KV 120 Sqmm cable.

S&F inspection glass and gasket of conservator of transformers of capacity 50 KVA to 300 KVA after draining out oil and refilling the same after filtration complete all as specified and as directed.

M&L for replacing unserviceable drain valve 50mm size of various transformers after draining out transformer oil and refilling the oil into the transformer after filtration to get required dielectric strength 60 KV complete all as specified and as directed.

M&L for earthing complete with GI earth plate electrode of size 60cm x 60cm x 6 mm thick burried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5m below the normal ground level connected with GI strip 32 x 6mm by means of bolts, nuts, check nuts & washers of galvanised iron steel including necessary excavation and earth work in any type of soil, removing surplus soil to a distance not exc 50m, with and including PCC chamber in PCC (1:2:4), type B1,using (20mm graded stone aggregate),"mild steel angle iron frame" made out of MS angle iron of size 40x40x6mm thick duly painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer hinged with and including 6mm thick CI cover with handle, watering arrangement with funnel internally secured with wire mesh with 15mm dia medium grade pipe for watering and 40mm dia light grade, GI pipe for lead protection in and including alternate layers of charcoal dust and common salt complete all as shown in electrical "plate No '5' and connected to earthing test point all as specified and indicated including testing on completion including retrieving old GI earth plate, CI cover, GI pipes, angle iron frame from existing earthing complete all as specified and as directed.

S&F earth continuity conductor or main earthing lead fixed to wall on batten or fixed to pole GI strip 32 x 6 mm complete all as specified and as directed.

Taking down plastering on lathing (other than wire-netting), without removing lathing, in cement mortar (one side only measured in cases where both sides are plastered).

Rendering 15mm thick in Cement mortar 1:4 on fair faces of brick work or concrete surfaces complete all as specified and as directed.

M&L for anti fungus acrylic paint in two coats including one coat 100% acrylic primer over newly plastered surface complete all as specified and as directed.

M&L for Heat shrinkable cable end termination joint including jointing Kit outdoor type suitable for 3.5 core 400 sqmm 1.1KV XLPE aluminium conductor cable and LV testing after jointing and connecting up complete all as specified and directed.

M&L for shifting of transformer 300 KVA including all necessary connection by taking out old connections and refixing the same after shifting including foundation of brick work built in cement mortar 1:6 of size 1200mm x 1200mm x 1500mm above GL, 200 mm below GL, PCC 1:4:8, type D2 (using 40 mm graded aggregate) in foundation 100mm thick and PCC 1:2:4 typeB-1 (using 20 mm graded aggregate) 100 thick in coping, 15mm thick rendering in cement mortar 1:4, applying two coats of cement base paint, including necessary earth work and removal of surplus soil complete all as specified and as directed.

M&L for Heat shrinkable cable end termination joint including jointing Kit indoor type suitable for earthed 3 core 95/120 sqmm HT 11KV XLPE aluminium conductor cable and HV test after jointing and connecting up complete all as specified and directed.

M&L for Heat shrinkable cable end termination joint including jointing Kit outdoor type suitable for earthed 3 core 95/120 sqmm HT 11 KV XLPE aluminium conductor cable and HV test after jointing and connecting up complete all as specified and as directed.

Dismantling of earthing PCC chamber complete all as specified and as directed.

M&L for construction of PCC earthing chamber (1:2:4), type B1,using (20mm graded stone aggregate),"mild steel angle iron frame" made out of MS angle iron of size 40x40x6mm thick duly painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer hinged with and including 6mm thick CI cover with handle complete all as specified and as directed.

M&L for repair / servicing of OLTC including spares suitable to 2000 KVA transformer complete all as specified and as directed.

M&L for repair / servicing of Panel of OLTC including spares suitable to 2000 KVA transformer complete all as specified and as directed.

M&L for repair / servicing of OLTC on load gear box including spares suitable to 2000 KVA transformer complete all as specified and as directed.

M&L for replacement of Auxillary Switch of 2000 KVA transformer complete all as specified and as directed.

M&L for replacement of Tripping Coil of 2000 KVA transformer complete all as specified and as directed.