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| 1 | M&L for Disconnecting all the electrical connections from H.T. and L.T. side of unserviceable transformer of cap upto 250 to 630 KVA i.e. Jumpers/cable from the cable end box or bushings & earthing terminal of the transformers including taking down, loading, unloading of transformer & transportation by vehicle from substation to the repairing workshop including reinstallation, commissioning and testing complete all as specified and directed. |
| 2 | Opening the transformer cover along with the conservator by removing the nuts bolts then after removing the internal H.T. & L.T. connections by taking them out by removing studs, bushings, taking out the core-winding assembly out of the tank of transformers having ratio 11/0.433 KV, draining & decanting of transformer oil and cleaning of sludge deposited in the tank with CTC for the transformers. Heating of core winding assembly in hot chamber for 48 hours and removing all the moisture present in it, removal of leakage of tank if any by welding, refilling transformer oil to tank, after putting the core-winding assembly into the tank, reassembling, making the internal H.T. & L.T. connections by fixing the studs, bushing, fitting the top cover by replacing cork sheet gasket along with conservator, testing the transformer in the workshop duly filled with oil including transportation from site to workshop and back complete all as specified and directed.Note : - Item will be executed after board proceeding conveyed by Garrison Engineer in presence of competent checking authority. |
| 3 | (a) Above 250KVA upto 400 KVA |
| 4 | Supply only super enamelled copper winding wire/ strip of any size for H.T. coils of transformers complete all as specified and directed. |
| 5 | Supply only copper winding strip of any size for L.T. coils of transformers including providing insulation all as required complete all as specified and directed. |
| 6 | Note : Unserviceable items required for repairs shall be measured and paid separately under relevant item of this schedule. Transformer oil with die electric strength not less than 40 KV either new or filtered shall be filled and shall be measured and paid seperately under respective item. |
| 7 | Supply & fixing LT bushings 433V of suitable size for outdoor/ indoor type transformer of the capacity as under:- |
| 8 | (a) Above 100 KVA upto 250 KVA |
| 9 | (b) Above 250 KVA upto 630 KVA |
| 10 | Supply & fixing HT bushings 11KV of suitable size for outdoor type transformer of capacities as under:- |
| 11 | (a) Above 100 KVA upto 250 KVA |
| 12 | (b) Above 250 KVA upto 630 KVA |
| 13 | Supply & fixing brass stud (for LT 433V side) of suitable size complete with one check nut, two nuts, washers and rubber seal, all as per sample for outdoor/indoor type transformer of the capacity as under:- |
| 14 | (a) Above 100 KVA upto 250 KVA |
| 15 | (b) Above 250 KVA upto 630 KVA |
| 16 | Supply & fixing brass stud (for HT 11KV side) of suitable size complete with one check nut, two nuts, washers and rubber seal, all as per sample for outdoor/indoor type transformer of the capacity as under:- |
| 17 | (a) Above 100 KVA upto 250 KVA |
| 18 | (b) Above 250 KVA upto 630 KVA |
| 19 | Supply & fixing in replacement oil level indicator for transformer of cap 400KVA all as per existing and having level marking 1/4, 1/2, 3/4 and full all as directed by Engr-in-Charge or required at site. |
| 20 | M&L for Dehydration including filteration of transformer oil by dehydration and filteration plant including testing of sample before and after dehydration and filteration complete all as specified and directed. (The dielectric strength to be achieved 40KV at 4mm gap after completion of dehydration and filteration). |
| 21 | M&L for Toping up/ filling of new transformer oil in different transformer complete all as specified and as directed. |
| 22 | M&L for Preparation of old painted surfaces and cooling coils/ fins of transformers of following capacities by removing oil marks using chemical or hot blow lamp. Spray painting to prepared surfaces using synthetic enamel paint of superior quality of colour as approved by GE / AGE E/M as per standard engineering practice with two coats, writing SM No, MES No, Make and capacity with white paint having height of each letter not less than 2.5cm and width not less than 1cm complete all as specified and directed. |
| 23 | (a) Above 100 KVA upto 250 KVA |
| 24 | (b) Above 250 KVA upto 630 KVA |
| 25 | M&L for Air break gang operated switch outdoor type triple pole mounted on 12 insulators, mechanically operated suitable for vertical installation single break provided with locking arrangement consisting of MS channel, HT post top insulators contacts for copper alloy high pressure, heavy duty contact assembly, operating rod 20mm dia GI pipe medium gradecomplete incl drop out fuses confirming to IS-818 rated voltage 11KV and for current rating 400 amp incl taking down old GOD of any type any size.complete all as specified and directed. |
| 26 | M&L in repair for Lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp suitable for 11 KV complete all as specified and directed. |
| 27 | M&L in repair for 80 mm GI tubing light grade galvanized with all fittings for protection to U/G cable along poles, walls, flows, road crossing including necessary cutting of road and making good in original surface where required.complete all as specified and directed. |
| 28 | M&L in repair for 50 mm GI tubing light grade galvanized with all fittings for protection to U/G cable along poles, walls, flows, road crossing including necessary cutting of road and making good in original surface where required.complete all as specified and directed. |
| 29 | S&F in Replacement of old un-serviceable MCCB with MCCB 630 Amps current carrying capacity 35 KA AC, 415 Volts three pole with thermal & adjustable magnetic setting complete all as specified and directed. |
| 30 | S&F inReplacement of old un-serviceable MCCB with MCCB 400 Amps current carrying capacity 35 KA AC, 415 Volts three pole with thermal & adjustable magnetic setting complete all as specified and directed. |
| 31 | M&L for Replacement of old un-serviceable MCCB with MCCB 315 Amps current carrying capacity 35 KA AC, 415 Volts three pole with thermal & adjustable magnetic setting complete all as specified and directed. |
| 32 | S&F in Replacement of old un-serviceable MCCB with MCCB 250 Amps current carrying capacity 35 KA AC, 415 Volts three pole with thermal & adjustable magnetic setting complete all as specified and directed. |
| 33 | S&F in replacement Copper strip 20 x 3.15mm fixed with top of insulator/saddles, fixing with screws , washer etc with help of drill machine for roof conductors and down conductors above ground and and making good disturbed surfaces of walls, floors, etc complete all as specified and directed. |
| 34 | M&L in replacement for Test point terminal block made of gun metal or phosphorusbronze size 75x75x25mmdrilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw complete all as specified and directed. |
| 35 | M&L in replacement for Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size95 sqmm complete all as specified and directed. |
| 36 | Supply and laying in repair XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 11000 volts, grade cross sectional area 95 sq. mm 3 core complete all as specified and directed. |
| 37 | M&L for fault location of HT 11 KV cable laid in trenches /ducts fault with the help of eletronic fault locating machine comprising of surge generator pulse ,ECHO fault locator with freqency distance calculator etc.Excavation in normal alluvial starta exposing the cable fault removal of deteriorated portion of the cable treating of cable of size up to 185 sqmm 3 core complete all as specified and directed. |
| 38 | M&L in replacement for Cable jointing kit for 11 KV (Earthed) grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and directed. |
| 39 | M&L in replacement for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 70 to 95 Sqmmcomplete all as specified and directed. |
| 40 | M&L in replacement for Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm to 185 Sqmm complete all as specified and directed. |
| 41 | M&L in replacement for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm to 185 Sqmm complete all as specified and directed. |
| 42 | M&L in replacement for Cable jointing kit for 11 KV (Earthed) grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm to 185 Sqmm complete all as specified and directed. |
| 43 | M&L in replacement danger notice board/plate of 1.6mm thick mild steel sheet vitreous enameled white with letter, figures and conventional skull and bones in signal red colour and fixed with MS clamps, nutsand bolts of approved size of HT 25 x 20 cm size complete all as specified and directed. |
| 44 | M&L for Excavation in trenches not exc 1.5m wide and not exc. 1.5 depth for laying of cable/pole or foundation and getting out in soft and loose soil complete all as specified and as directed. |
| 45 | M&L for Returning, filling in trenches including spreading, levelling, watering and well ramming in layers not exceeding 25 cmcomplete all as specified and directed. |
| 46 | Removal of excavated soil to a distance not exc 50m and depositing where directed at a level not exceeding 1.5 metre above the starting point complete all as specified and directed. |
| 47 | M&L for sand cushioning for under ground cable 8 cm layer below the cable and 15 cm layer above the cablecomplete all as specified and directed. |
| 48 | Supply and Laying precast concrete cover class HV type 1 flat size 300mmx180mmx40mm laid in trenches for cable protection complete all as specified and directed. |
| 49 | Supply and fixing in repair of Earth continuity strip or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or fixed on wall with porcelain insulator or any other indicated situation for loop earthing etc. as required 25x4 mm GI strip complete all as specified and directed. |
| 50 | Disconnecting HT supply and taking out trolley ofVCB Circuit breaker 11 KV indoor type400 to 800Amps and servicing of trolley by cleaning isolating contacts , removing dust particles from Bus bar chamber and Spout gear mechanism and moving parts lubricating moving parts repair/replacement of partstesting as mentioned below calibration of over current /Earth fault /under voltage /over voltage/voltage selection relays fixed on 11 KV control panels with all respect such as short time fault etc andmaking all adjustments /alignments with time phase indicator on control panels properly for smooth functioning of relay of tripping system complete all as specified and directed.Note: (i) Measurment of resistance value, tools , labour, petroleum jelly , dry cloths, nut -boltsare, CRC, washers etc incl in the quoted rates.(ii)Contractor will provide company authorised dealer/service centre test report calibration certificate of breaker (iii) Primary and secondery injection test to be carried out without any extra cost to department.Note : Parts will be mesasured & paid separately as under :- |
| 51 | Anti Pumping device (suitable for item No. 39 above) |
| 52 | Vaccum interruptor2.4\" dia(suitable for item No. 39 above) |
| 53 | Spring Charging Motor with motor & operating coils (suitable for item No. 39 above) |
| 54 | Closing Spring assembly (suitable for item No. 39 above) |
| 55 | Motor Cut limit Switch (suitable for item No. 39 above) |
| 56 | TNC switch (suitable for item No. 39 above) |
| 57 | Auxillary switch ( 7 NO +7 NC) (suitable for item No. 39 above) |
| 58 | M&L for Replacement of breather assembly complete with silica gel for transformer from above 100 KVA upto 630 KVA of any make, type and capacity or make complete all as specified and directed. |
| 59 | M&L sillica gel suitable for transformer 11 KV complete all as specified and directed. |
| 60 | S&F in replacement digital type Ampere Meter suitable for 11 KV RMU /VCB panel to Check the outgoing load connections with CTs & taking out old unservicable meter from panel complete all as specified and directed. |
| 61 | S&F in replacement digital type voltmeter 0-15 KV range with selector switch suitable for 11 KV RMU/VCB panel to Check the outgoing load connections with PTs & taking out old unservicable meter from panel complete all as specified and directed. |
| 62 | Supply and fix in replacement of selector switchsuitable for any capacity/existing make complete all as specified and directed. |
| 63 | M&L in replacement for earthing complete with galvanized steel plate earth electrode 60cmx60cmx6mm thick surrounded by char coal and salt buried directly in ground vertically in pit of depth not less then 2.25 mtr below ground level with top edge of the earth plate at depth of not less then 1.5 mtr below ground level surrounded from all sides by char coal dust and common saltin alternate layersof 15 cm depth and earth plate electrode connected to galvanised earth lead wire of 4.0mm dia at two points by means of GI nuts bolts, check nuts and washers and connected to earthling test point drawn through GI pipe for protection of earth lead wire and arrangement of watering pipe incl PCC earth pit (1:3:6) type C-2 with CI frame andRCC cover all as shown in electrical Plate No 3 on SSR Part-Iincluding testing and dismantling ,taking down old unser earthing complete all as specified and directed. Note:(i) Rate of Earth work, Earthing electrode, all connections, nut-bolts, washers, complete labour, testing, Earth lead upto 7.5 mtr, char coal dust, common salt, porcelain insulator, PCC earth Pit, CI frame ,RCC cover, funnel with wire mesh are incl in quoted rate andwatering pipe, earth lead protection pipe, test poit, earth lead exceeding 7.5 mt are measured and paid separately. |
| 64 | Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 185 sq mm 3.5 core incl taking out old u/s existing cable of any type and size complete all as specified and directed. |
| 65 | Net Contract Sum will be after deducting Sch of Credit of Rs 1,08,580.00 |
