REPAIR / MAINT OF HT POWER, REMOTE CONTROL PANEL, TRANSFORMERS, DEHYDRATION OF TRANSFORMER OIL AND REPLACEMENT OF HT POWER TRANSFORMER, DISTRUBUTION TRANSFORMER OIL, HT FEEDER AND ALLIED WORKS AT AF STATION SALUA UNDER GE (AF) KALAIKUNDA

Amount

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr in depth for foundation / cable laying and getting out in hard/dense soil complete all as specified and directed by Engineer-in-Charge.

Excavation in trenches n.exc 1.5 mtr wide and exc 1.5 mtr in depth for foundation / cable laying and getting out in hard/dense soil complete all as specified and directed by Engineer-in-Charge.

Returning and filling in, including spreading, levelling, watering and well ramming in layers each n exc 25 cm thickness complete all as specified and directed by Engineer-in-Charge.

Removing excavated material a distance n. exc 50 mtr & depositing where directed at a level n. exc 1.5 m above the starting point complete all as specified and directed by Engineer-in-Charge.

Supply, filling in trenches, spreading, levelling sand cushioning 8 cm below cable and 15 cm above the cable punned down to 18 cm for under ground cable complete all as specified and as directed by Engineer-in-Charge.

Supply and laying un-reinforced precast concrete cable cover, class HVP, type 1 with peak, FLAT,SIZE 300mm x 180mm x 40mm complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing in replacement of GI pipe light grade 40mm bore for cable protection fixed to poles/along wall/floor/under road /across the drain or nallah all as specified and directed by Engineer -in-charge

All as per item No 07 but here-in -before 80mm complete all as specified and as directed by Engr-in-charge.

Taking down U/S PCC pole of any specifications, Supply & Install steel tubular pole complete with cast iron base plate, final taper plug, bolt nut and screw as specified type-410 SP-55 (11.0 mtr long) of superior quality and painting with two coat of superior quality aluminium paint over a coat of red oxide primer and making alternate strip as directed and writing of MES Nos complete all as specified and directed by Engineer -in-charge.

Taking out any type of U/S street light luminaires,Supply and fix street light fitting pressure die cast aluminium housing with heat resistant toughened glass and IP 66 protection of 45 watt 230V LED street light fitting complete with LED lights with clear acrylic cover accessories prewired and fixing accessories ie nut, bolt washers incl connected through 2.5 sqmm copper conducter PVC insulated unsheathed from junction box to fittings complete all as specified and as directed by Engr-in-charge.

Taking out old UG Cable of any size and Supply and laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavyduty) with aluminium conductor, 11000 (E), grade cross sectional area 95 sq. mm 3 core complete all as specified and as directed by Engr-in-charge.

Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrinkable type joint complete with jointing material & accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95sqmm complete all as specified and as directed by Engr-in-charge. .

Cable jointing kit for 11 KV (Earthed) grade cable for outdoor end termination Heat shrinkable type joint complete with jointing material & accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95sqmm complete all as specified and as directed by Engr-in-charge. .

Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrinkable type joint complete with jointing material & accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95sqmm complete all as specified and as directed by Engr-in-charge.

S&F Lightning arresters expulsion type complete with all fittings, transmission class discharge capacity 65 kilo amp suitable for 11000 Volts complete all as specified and as directed by Engr-in-charge. .

S&F in replacement of triple pole mechanically operated mounted on insulator in repair with steel frame and operating mechanism air break gang operated switch and DO fuse, worked ground for current rating up to 200 Amps 11000 volts complete all as specified and as directed by Engr-in-charge.

S&F Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamalled white, with letters,figures and conventional skull and bones in signal red colour and fixed with MS Clamps, bolts, and nuts of approved size for HT 25X20 cm complete all as specified and as directed by Engr-in-charge. .

S&F Anti climbing device comprising spikes type fabricated out of MS bars (round square and flat)including nuts,bolts,washers and welding in two halves made to shape to suit the cross section of the pole complete all as specified and as directed by Engr-in-charge. .

M&L for replacement of cross arms, bracings,supports,clamps and black plates fabricated from structural steel sections incl nuts,bolts, washers,welding,bending cold or hot,drilling holes for bolts,in any shape or size as indicated or directed and incl of primer on coat, and under coat and one finishing coat of paint as directed by Engineer -in-charge.

Supply and fixing ACB of capacity 630 Amps with microprocessor based including auto triping and relay setting system complete suitable for existing panel board complete all as specified and as directed by Engr-in-charge.

Supply and fixing LT bushing including heat resistance gasket, brass spindles, nuts, bolts, washers for transformers of capacity 25 KVA to 160 KVA complete all as specified and as directed by Engr-in-charge.

All as per item No 21 here-in -before of size but for transformers of capacity 200 to 400 KVA complete all as specified and as directed by Engr-in-charge.

Supply and fixing HT bushing including heat resistance gasket, brass spindles, nuts, bolts, washers for transformers of capacity 25 KVA to 160 KVA complete all as specified and as directed by Engr-in-charge.

All as per item No 23 here-in -before for transformers of capacity 200 to 400 KVA complete all as specified and as directed by Engr-in-charge.

Material and labour for replacement of silica gel of air breather filled complete for transformers of capacity 25 to 500 KVA complete all as specified and as directed by Engr-in-charge.

Supply and fix silica gel breather assembly filled complete for transformers of capacity 25 to 125 KVA complete all as specified and as directed by Engr-in-charge.

All as per item No 26 here-in -before but for transformers of capacity 160 to 400 KVA complete all as specified and as directed by Engr-in-charge.

Supply and fix temperature gauge 150mm dia, 0 to 300 degree centigrade for transformer of capacity 400 KVA complete all as specified and as directed by Engr-in-charge.

Dehydration/filtration of transformers oil of existing transformers (out door/indoor , step up/step down),/Voltage stabilizers at site by means of oil dehydration machine having arrangement for heating to remove the moisture silt/sludge and wastage removing arrangement etc to make the oil fit for use in accordance with IS-1886 to achieve minimum dielectric strength of 50 KV by continuous process of dehydration complete including testing at standard gap of 2mm by oil testing machine complete all as specified and directed by Engr-in-charge. NOTE:- (i) Testing machine to be arranged by the contractor under his own arrangement. (ii) Electricity for running dehydration machine & testing to be arranged by the contractor under his own arrangements complete all as specified and as directed by Engr-in-charge.

Supply & top up and filling of transformer oil suitable for Voltage stablizers, transformer, OCB, etc. confirming to IS and dielectric strength less than 60 KV in sealed containers complete all as specified and as directed by Engr-in-charge.

Disconnecting and taking out ,repairing existing APFC HT 11 KV for serviceable & re use from housing and cleaning , rubbing and overhauling the mechanical parts and making serviceable of local /remote electrical operation of the panel including Greasing ,oiling ,replacement of UNSV Trip coil ,breaker ,charging motor ,gear pinion ,roller switch and reassembling the same after replacement of spare parts as required including testing complete all as specified and directed by Engr-in-charge. Note : - All Spares parts of pannel will be measured and paid separately under respective items of this schedule here in after as supply only)

Supply only in replacement of MCCB 125A -4 Pole complete all as specified and directed by Engr-in-charge.

Supply only in replacement of MCB 63A -3 Pole complete all as specified and directed by Engr-in-charge.

Supply only in replacement of Auxiliary contact block complete all as specified and directed by Engr-in-charge.

Supply only in replacement of contractor AC operated complete all as specified and directed by Engr-in-charge.

Supply only in replacement of heavy duty capacitor 10 KVAR complete all as specified and directed by Engr-in-charge.

Supply only in replacement of fuse link (HRC) complete all as specified and directed by Engr-in-charge.

Supply only in replacement of LED indicator lamp complete all as specified and directed by Engr-in-charge.

Supply only in replacement of APFC Relay 8 Stage complete all as specified and directed by Engr-in-charge.

Dismantling of LT Voltage stabilizer 150/250 KVA carefully & opening for strip inspection, & replacement of worn out defective parts such as relay circuit , dimmer circuit ,coil , fuse unit, fuse carrier assembly, etc. to the entire satisfaction as to make it fully functional filling / dehydration of oil appropriate level having including cleaning of the chamber complete all as specified and directed by Engineer-in-Charge. Note :- spare parts and stabiliser oil shall be measured and paid separaetly

Dismantling of LT Voltage stabilizer 400 KVA carefully & opening for strip inspection, & replacement of worn out defective parts such as relay circuit , dimmer circuit ,coil , fuse unit, fuse carrier assembly, etc. to the entire satisfaction as to make it fully functional & filling / dehydration of oil appropriate level having including cleaning of the chamber complete all as specified and directed by Engineer-in-Charge. Note :- Stabiliser oil shall be measured and paid separaetly

Dismantling of HT 11KV OCB/Vlc unit carefully & opening for strip inspection,repair to mannual tripping system & replacement of worn out defective parts such as mechanical system, fuse unit, fuse carrier assembly, etc. to the entire satisfaction as to make it fully functional & filling of transformer oil appropriate level having 42 KV dielectric strength including cleaning of the chamber complete all as specified and directed by Engineer-in-Charge. Note:-Transformer oil shall be measured and paid separately.

M&L for disconnection of complete incomming and outgoing HT cables & servicing of VCB 11 KV 400/630 Amps any make and type complete calibration of relay ( earth fault and over current ) and check out tripping system at desired current rating incl replacement of minor fitems such as No volt coil , treminals , wires for wirings of panels and indicator lamps , fuse links etc incl lubricating material like grease / petrolium jelly shall be included in quoted rates and after servicing reconnection of cables and testing panel on load complete all as specified and directed by Engineer-in-Charge. Note:- All spare parts and Panel shall be measured and paid separaetly under respective items of this Schedule here in after as supply only )

Supply only in replacement of Vacuum interupture complete all as specified and directed by Engineer-in-Charge.

Supply only in replacement of closing coil complete all as specified and directed by Engineer-in-Charge.

Supply only in replacement of Tripping Coil complete all as specified and directed by Engineer-in-Charge.

Supply only in replacement of MICOM relay complete all as specified and directed by Engineer-in-Charge.

Supply only in replacement of Breaker Auxilary Switch complete all as specified and directed by Engineer-in-Charge.

Supply only in replacement of Trip fork Linkage assembly complete all as specified and directed by Engineer-in-Charge.

Supply only in replacement of limit Switch 4 terminal complete all as specified and directed by Engineer-in-Charge.

Supply only in replacement of R Phase Spout complete all as specified and directed by Engineer-in-Charge.

Supply only in replacement of Y Phase Spout complete all as specified and directed by Engineer-in-Charge.

Supply only in replacement of B Phase Spout complete all as specified and directed by Engineer-in-Charge.

Supply only in replacement of Circuit Spout complete all as specified and directed by Engineer-in-Charge.

Supply and fix of HT Cable Route Indicator made out of MS Plate 30x20x5 mm thick fixed on 1.5 mtr height angle iron of size 20x20x3mm duly painted with two coat of synthetic enamel blue colour paint over a coat of red oxide primer and written as 'HT Cable' in Red paint letters of 2 inch size, The Cable route indicator shall be embeded in PCC (1:3:6) of size 300x300x300mm (20 mm grade) with fine finish and to be fixed complete all as specified and directed by Engineer-in-Charge.

Supply and fixing shock treatment chart duly mounted on a wooden frame with 5mm thick glass as required. (Approximate front area 1.20 Sqm) complete all as specified and as directed by Engr-in-charge.

M&L for cement concrete in foundation filling and mass concrete (1:2:4) type B2 (using 40 mm graded stone aggregate) complete all as specified and directed by Engineer-in-Charge.

M&L for cement concrete for coping with (1:3:6) type C1 (using 20 mm graded stone aggregate) complete all as specified and directed by Engineer-in-Charge.

M&L for PCC (1:3:6) type C-2 using 40mm graded stone aggregate in foundation of stay assembly and similar work etc. including necessary form work and fair finish to exposed surfaces without using extra cement complete all as specified and directed by Engineer-in-Charge.

Supply and fixing stay assembly comprising of GI rod 20mm dia incluiding stay wire 7/4 swg complete with accessories as shown in electrical plat No.1 of SSR-1991 Part-I (PCC and earth work, loop type insulator shall be measured and paid for separately under the respective item of schedule) complete all as specified and as directed by Engr-in-charge.

Supply and fixing loop type insulators, vitreous porcelain white, brown or green with over all size 90mm x 140 mm with clearance dia of hole 25.50 mm including removal of old broken insulator complete all as specified and as directed by Engr-in-charge..

Supply and fixing in repair ACSR conductor of any size including binding on existing HT poles or new poles with 2 mm dia binding wire complete all as specified and as directed by Engr-in-charge.

Supply and spreading gravel stone aggregate of size upto 40 mm evenly under GO/DO structure after cleaning the surface complete all as directed by Eng-in-charge. NOTE:-Brick work all around the structure as directed by Eng-in-charge are included in over all rates quoted

Supply and fixing in repair of glow sign board of with LED lighting arrangement of size 5 mtrx 0.75mtr incluiding suitable size letters as per direction of Engineer-in charge with complete acessories complete all as specified and as directed by Engr-in-charge.

Supply and fixing Synthetic Insulating Mat of size 2 m X 1m X 12mm complete all as specified and as directed by Engr-in-charge.

S&F in replacement of Copper strip 32X6 mm for roof conductors and bracing to down conductors above ground complete all as specified and as directed by Engr-in-charge.

S&F in replacement of Copper strip 20 x 3.15 mm for roof conductors and bracing to down conductors above ground complete all as specified and as directed by Engr-in-charge.

M&L for prepartion of old painted steel or Iron external surfaces of transform er of capacity 25 KVA -400 KVA by scrapping with coir /steel wire brush /scrapper emery paper etc and applying one coat of synthetic enamel paint of colour as approved by Engineer in charge by using Spray machine including writting of SM No ,MES NO etc at prominent place / location of transformer with black synthetic enamel paint in white back ground complete all as specified and as directed by Engr-in-charge. Note:- Necessary shut down power supply should be granted from the Engr -in Charge by the contractor before proceeding the work also electric supply should be restored as early as possible after completion of the work.

M&L for painting works on surfaces of items as given below of 11 KV MRS at Salua comprising of Following Equipment /machinary fitted at yard by preparation of steel and iron of old painted surfaces smooth and applying one coat of synthetic enamel paint of existing colour and writing MES No ,Name and capacity on plants of font size as ordered complete all as specified and directed by Engr in charge. (i) HT Poles (Steel 0 for structure 11 meters long- 10 nos (ii) Aluminium paint of cross Arms/Channels of Approx Area- 15 Sqm (iii) weather proof painting on platform of Transformer ,Earth Pit at MRS approx -25 Sqm

M&L for earthing complete with copper earth plate electrode 600x600x3.15 mm thick buried directly in ground (Earth plate not less than2.25 M in deep below ground level) with top edge of the plate not less than 1.5m below normal ground level connected to copper earth strip 20 x 3.15 mm by means of bolts, nuts, check nuts and washers of Copper and connected to earthing test point all as specified and directed including necessary earth work in any type of strat and PCC 1:3:6 type B1 for chamber and RCC chamber cover 50 mm thick in lieu of CI cover and copper strip protected by 40 mm GI pipe medium grade complete inlcuding filling of agrictulture sand brought from outside defence land for earth pit all as directed by Engineer-in-Charge. NOTE:- (i) Excavation and removal of excavated soil and filling of agriculture sand brought from out side defence land shall be included in the overall rate quoted. No extra payment shall be paid. (ii) The quoted rate includes the rate of Magnesium Sulphate of 40Kg per earth pit poured with salt and charcoal.

Disconnection of HT/LT connection , earthing lead and taking down carefully defective transformer of capacity of 25 to 75 KVA, 11KV/440Volt from 2/4 pole structure/ platform including transportation to factory/ workshop including loading/ unloading and draining out existing tranformer oil, opening the top cover of the transformer ,by removing nut,bolts,washer etc and lifting the core and winding by using tripod and chain pulley after removing LT/HT spindle with bushing and cleaning the yoke and winding/ ore and spindle bushing the same winding /core and spindle bushing and replace the worn out nut, bolts,washer gaskets etc with provision of cork sheets of 6mm thick (best quality) and filling the transformer oil which was removed earlier, through stream line filter after dehydration and back to site after necessary repair and lifting of transformer to its original position including necessary testing complete all as specified and as directed by Engr-in-charge.

M&L rewinding of HT Coils of transformer of any capacity using proper size copper DPC wire having class F insulation as per existing size and turns including connected minor insulation materials suitable for HT coil of 11/0.433 KV transformer complete all as specified and as directed by Engr-in-charge.

M&L rewinding of LT Coils of transformer of any capacity using proper size copper DPC wire having class F insulation as per existing size and turns including connected minor insulation materials suitable for HT coil of 11/0.433 KV transformer complete all as specified and as directed by Engr-in-charge.

Supply only LT brass/copper stud as per existing size , shape and make for 25 to 75 KVA capacity transformer complete all as specified and as directed by Engr-in-charge.

STAR ENTERPRISES