Tender For Repair/Maintenance Of Ht Distribution Network, Isolators, 11 Kv Bus Bar, Panels, Avr And Other Connected Works Under Ge (Af) Srinagar; 1 M&L for disconnecting all the electrical connections from H.T. and L.T. side of unserviceable transformer of cap upto and including 100 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 by Engineer-in-Charge. 2 All as per srl item No 01 here-in-above but cap of transformer above 100KVA upto 250 KVAcomplete all as specified and directed by Engineer-in-Charge. 3 All as per srl item No 01 here-in-above but cap of transformer above 250KVA upto 500 KVAcomplete all as specified and directed by Engineer-in-Charge. 4 M&L for 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, removing out burnt HV and LV windings from the core assembly, cleaning of core assembly with CTC including necessary repairs for the unserviceable transformers having ratio 11 / 0.433 KV, draining & decanting of burnt transformer oil and cleaning of sludge deposited in the tank with CTC for the transformers. Rewinding of HV and LV coils with suitable size super enamelled copper wire/ strip (As Existing) having suitable class insulation material. 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, all as directed by Engineer-in-Charge for various capacities as under:- Note : Unserviceable items required for repairs including copper wire required for rewinding of transformer shall be measured and paid separately under relevant item of this schedule. Transformer oil with die electric strength not less than 45 KV either new or filtered shall be filled and shall be measured and paid seperately under respective item. 5 (a) Upto 100KVA 6 (b) Above 100KVA upto and including 250KVA. 7 (c) Above 250KVA upto and including 500KVA. 8 S&F super enamelled copper winding wire/ strip of any size for H.T. coils of transformers all as specified. 9 S&F copper winding strip of any size for L.T. coils of transformers including providing insulation all as required. 10 S&F in replacement of LT bushings 433V of suitable size for outdoor/ indoor type transformer of the capacity as under:- 11 (a) Upto 100KVA 12 (b) Above 100KVA upto 250KVA 13 (c) Above 250KVA upto and including 500KVA. 14 S&F in replacement of HT bushings 11KV of suitable size for type transformer of capacities as under:- 15 (a) Upto 100KVA 16 (b) Above 100KVA upto 250KVA 17 (c) Above 250KVA upto and including 500KVA. 18 Supply & fixingin replacement of 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:- 19 (a) Upto 100KVA 20 (b) Above 100KVA upto 250KVA 21 (c) Above 250KVA upto and including 500KVA. 22 Supply & fixingin replacement of 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:- 23 (a) Upto 100 KVA 24 (b) Above 100 KVA upto 250 KVA 25 (c) Above 250KVA upto and including 500KVA. 26 M&L for dehydration of distribution transformer 11 KV 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 45 KV at 2.5 mm gap after completion of dehydration and filteration). Note:- (i) dehydration of transformeroil in the Transformer carried out on the site by dehydration machine and the amount quoted is deemed to be inclusive of this provision.(ii)All the Labour work like disconnect of cable and reassemble and drum etc, carried out by contractor by own arrenement.) 27 (a) Cap upto 500 KVA 28 M&L for dehydration of power transformer 33 KV of cap 6.3 MVA 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 50 KV at 2.5 mm gap after completion of dehydration and filteration). Note:- (i) dehydration of transformeroil in the Transformer carried out on the site by dehydration machine and the amount quoted is deemed to be inclusive of this provision.(ii)All the Labour work like disconnect of cable and reassemble and drum etc, carried out by contractor by own arrenement.) 29 S & Filling of new transformer oil of BDV not less than 50 KV for Toping up/ filling oftransformer oil in different transformer complete all as specified and as directed. 30 Supply and fixing silica gel superior quality to transformer all as required and diercted. 31 M&L for cutting the existing Bituminous / Hard Standing road surface for laying of cable / GI Pipe etc and providing Plain cement concrete (1:2:4) type B2, using 20 mm graded stone aggregate for filling up the area of road cutting surfaces and making good the disturbed surface with existing surface and all as specified and directed by Engr-in-Charge. Note :- Excavation earthwork and PCC will be measured and paid separately under respective items. 32 Excavating in trenches n.exc. 1.5m wide and n.exc. 1.5m in depth for laying of LT UG cable, pipe, pole, stay etc and n exc 10sqm on plan and getting out in soft and loose soilincluding taking out and removal of old bricks laid over for protection of cable all as specified and directed. 33 Removing excavated material to a distance not exceeding 50 Mtr and deposting where directed at a level not exc. 1.5 mtr above the starting point. 34 Returing filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm each all as required and directed. 35 Supplying and laying un-reinforced precast concrete cable cover, class HV, type 1, flat unreinforced of size300mm x 180mm x 40mm for protecton of cable abutting each laid dry flat width equal to the lenth of cable cover etc complete all as spd and directed. 36 Supply and spreading sand as earth cushioning to cable by using IS sieve to separate the composite particle/roots etc and refilling in trenches and compacted in layers to form a solid bed covering to cable all as specified and directed. 37 Supply and fix in replacementGI tubing light grade 100 mm bore cut to size and fixed along the pole for cable protection including clamp 02 Nos of size 25x4 mm, nut bolts , washers etc complete all as required at site or directed by Engr in Charge. 38 Supply and fix in replacementGI tubing light grade 150 mm bore cut to size and fixed along the pole for cable protection including clamp 02 Nos of size 25x4 mm, nut bolts , washers etc complete all as required at site or directed by Engr in Charge. 39 Material and labour for detection of any type of fault in HT underground cable of any size and core. (laid in soil at plain area or forest area) with the help of HT Meggar. Seggregation of faulty span by meggering and making span serviceable by repair of cable or replacement of cable. Note : 1. Detection of one fault in faulty span will be measured as Each Job.2. Earth work and taking out will be measured and paid seperately .3. Material for repair and replacement will be measured and paid saperately. 40 Material and labour for detection of any type of fault on HT 2/4 pole structure at sub stn and reapir/ replacement of blown out HT fusese and restore the HT supply of all feeder. Locations and timing to attend the repair wk all as specified and directed by Engr-in-Charge.Note : 1. Material reqd for repair and replacement such as fuse wire will be included in quoted rate. 2. Proper shut down shall be taken from MES auth before any HT repair wk. 3. All safety measure will be resposibility of contractor. 41 Material and labour for detection of any type of fault in HT underground cable (laid in soil at plain area or forest area) with the help of Cable fault locator machine. Cable fault locator with carring vehicle will be brought by the cable fault detection agencies. Span of faulty cable will be trace out by the agencies by meggering HT cable.Note : 1. Detection of fault in one span of length will be measured as Each Job.2. Technicians will be employed by the working agencies.3. Earth work and taking out will be measured and paid seperately.4. Material for repair and replacement will be measured and paid seperately.5. One job shall be measured if the fault has successfully rectified by the fault locator machine and Technician. 42 Supply, laying in trenches or fixed to wall / pole or passing through pipes or road crossing,testing and commissioning of HT XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with alumn conductor, 11KV grade, suitable for earthed system, with aluminium conductor of size 120 Sqmm 3 coreincuding taking down unserviceable HT cable of any type / size/ description , etc complete all specified and directed.(Note : Excavation & Earth work shall be measured and paid sepratley.) 43 Supply, laying in trenches or fixed to wall / pole or passing through pipes or road crossing,testing and commissioning of HT XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with alumn conductor, 11KV grade, suitable for earthed system, with aluminium conductor of size 95 Sqmm 3 coreincuding taking down unserviceable HT cable of any type / size/ description , etc complete all specified and directed.(Note : Excavation & Earth work shall be measured and paid sepratley.) 44 Material and labour for dismantling cross-arms of M.S. channel or angle sections etc. from poles complete all as specified and directed by Engr - in- Charge. 45 Material and labour for cross arms, bracings, supports, clamps and back plates fabricated from steel section including nuts, bolts, washers, welding bending cold or hot drilling holes for bolts in any shape or size as indicated or directed and inclusive ofone primer coat, one under coat and one finishing coat of alumn paint. 46 Material and labourin replacement of cable end termination out door, heat shrinkabletype suitable for XLPE cable of size 95 sqmm 3 core with working voltage 11000 voltswith jointing matrial and accessories including testing etc complete all as spd and directed.Make: Denson/ M Seal / 3 M. 47 Material and labourin replacement of cable end termination out door, heat shrinkabletype suitable for XLPE cable of size 120 Sqmm to 185 sqmm 3 core with working voltage 11000 volts with jointing matrial and accessories including testing etc complete all as spd and directed.Make: Denson/ M Seal / 3 M. 48 Material and labourin replacement of Cable joining kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with joining material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 Sqmm to 95 sqmm 3 core with working voltage 11000 volts complete all as specified and direced by Engr - in- Charge.Make: Denson/ M Seal / 3 M. 49 Material and labourin replacement of Cable joining kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with joining material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm 3 core with working voltage 11000 volts complete all as specified and direced by Engr - in- Charge.Make: Denson/ M Seal / 3 M. 50 S & F in replacement of Lightning arresters expulsion type (Set of Three) complete with all fittings, Distribution class, discharge capacity 65 kilo amp complete all as per following specifications :- and directed by Engr-in-Charge. Make- Rashtriya/ Jaipuria/BHEL. Suitable for 11000 Volts. 51 M & L for Painting of HT steel tubular 4 pole structure of complete lenght, by applying one coat of white cement based paint after scraping / brushing and cleaning the Algae on pole and cross arms and a coat of white synthetic enamel painting to pole upto 1.5 mtr from groundlevel shall be painted by alternate layer of black and Yellow enamel paint (30 cms apart) and Two coat of aluminium painting shall be done on Cross arm and bracing, nut, bolts and washers etc after prep of surfaces all as directed by Engr in charge. Note - one 4 pole structure measured as one job inclusive of HT poles and cross arms complete. 52 M & L for dismentling of old air break gang operated switches vertical mounted including insulators and operating mechanism complete all as sopecified and directed by Engr-in-charge. 53 M & L in replaceement switch Air break gang operated triple pole mounted on porcelain insulators 15 Nos 11 KV 400 Amps DO fuse set with AB switch porcelain and steel frame with operating mechanism with 20 mm dia GI pipe (Medium grade) worked from ground level complete all as specified and directed by Engr-in-Charge. Make- Rashtriya/ Jaipuria/BHEL. 54 M&Lin replacement of off load tap changer suitable for existing for distribution transformer of any make and capacity upto 250 KVA all as specified and directed by Engr-in-Charge. 55 (a) Above 250KVA upto and including 500KVA. 56 S&F Pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 19021Ditto, 150mm height, 150mm dia for 11000 volts grade 57 M&L for Earthing complete with using GI earth plate electrode 600x600x6.0 mm thick burried directly in ground (earth pit not less than 2.25 mtr deep below ground level ) with top edge of the plate not less than 1.5 mtr below normal ground level and earth plate surrounded with adequate quantity of charcoal dust mixed with salt to a packed thickness off 15 cm all around the plate with using galvanised iron strip 32x6mm as earthing lead moulded and retreived to earth plate at one end and connected to main switch / control board at another end with and including 15 mm dia GI light grade from upper end of earth plateupto external faceof the wall of the building including 20 mm dia bore GI pipe light grade as water pipe from chamber to upper edge of the plate GI funnel with wire mess fixed on water pipe and provison of PCC 1:2:4 type B-1 (Using 20 mm Dia graded stone aggregate) duly reinforced with mild steel round bar 6 mm dia@ 150 mm c/c both ways with 10 mm dia mild steel bars as in liftinghandle with and including necessarry excavation and earth work including laying the pipe concealed in floor / wall allas per plate NO-3 of SSR Part-I complete all as specified and directed and testing on completiopn (Note:- If the desired resistance is not found earthing shall be done by the contractor at no extra cost to Govt). 58 Dismantling and taking down carefully old ACSR conductor/GI wire of any size from HT overhead line/ 4/2 Pole structure after unbinding from insulator complete all as specified. 59 M&L for ACSR conductor (Weasel conductor 6 x 2.59 + 1 x 2.59 Al + Steel), of any size drawn straight horizontal on over head lines on poles including binding with insulators using aluminium binding wire, jointing jumpers etc including connections of incoming and out going cables complete all as specified and directed. 60 Trimming up of Bushes/ Tree branches upto 3 mtr all around security light poles both side of the road, removing cut branches from site as directed, Note :- (i) The overhead lines will be kept clear from all trees by trimming of tree branches with 3 mtr all around the line. Necessary permission will be obtained from department by contractor one day prior to trimming in particular area and shut down of that area will be arranged by department. (ii) only effected Span at site shall be measured where tree branches are touching nearly HT/LT lines 61 M&L for Painting of Transformers of cap 100 KVA to 250 KVA by removing of old paint with blow lamp or metal scrubber and apply 2 coat of synthatic enemel paint over a coat of red oxide primer and writing of SM/MES Nos on each transformer complete all as specified and directed by Engr-in-Charge. Note :- Proper shutdown shall be taken by the contractor before commencement of wk. Writting MES/ SM No on each transformer after painting shall deemed to be incusive in quoted rate. 62 (a) Above 250KVA upto and including 500KVA. 63 S&F in replacement Breather of transformer made out of high perfoemance plastic material transparent type with two way low pressure valve weather resistance with IP65 protection suitable for upto 250 KVA transformer complete and all as specified and directed by Engr-in-Charge. 64 (a) Above 250KVA upto and including 500KVA. 65 M&L for Loose filling with aggregates of gauge 40 to 80 mm in Transformer yard all as specified and directed. 66 M&L for preparation of existing undercoated wall surface and applying two coats of colour wash over a coat of white wash etc complete all as specified and directed by Engr-in-Charge. 67 M&L for face lifting and upkeep of sub stn by Surface dressing n exc 15 cm deep in soft/loose soil all as specified and directed by Engr-in -Charge. 68 M&L for dismantling of old defective insulators any type. 69 Taking out old defective UNSV HT cable from site. 70 S&F HT protection relay of Make- Ashida 131 incl all caliberations compatible to run all tripping and closing parameters for all connecting HT VCBs incl taking down and all as specified and directed by Engr-in-Charge. 71 S&F in replacement 11 KV HT VCBs protection tripping coil incl all caliberations compatible to run all tripping and closing parameters for all connecting HT VCBs and all as specified and directed by Engr-in-Charge. 72 S&F in replacement 11 KV HT VCBs protection Closing coil incl all caliberations compatible to run all tripping and closing parameters for all connecting HT VCBs and all as specified and directed by Engr-in-Charge. 73 S&F in replacement 33 KV outdoor HT VCBs protection tripping coil incl all caliberations compatible to run all tripping and closing parameters for all connecting HT VCBs and all as specified and directed by Engr-in-Charge. 74 S&F in replacement 33 KV outdoor HT VCBs protection Closing coil incl all caliberations compatible to run all tripping and closing parameters for all connecting HT VCBs and all as specified and directed by Engr-in-Charge. 75 S & F in replacement Vaccum interrupter assembly in R and B phases of 11 KV HT breaker of Make- EASUN REYROLLE LTD. complete all as specified and directed by Engr-in-Charge. 76 S&F in replacement of HT 11 KV CT made up of epoxy resin as primery insulation the core of Ct is made of soft iron and copper shall be used for both primery and secondary winding of ratio 100/5A of high accuracy class with a typical error of (+/-) 0.2 %.CT can withstand for specified duration in short circuit fault.Confirming to IS 2705 and all as specified and directed by Engr-in-Charge. 77 S & F Bus bar spout connections of 630 Amps complete all as specified and directed by Engr-in-Charge. 78 M & L for dismentling of old defective post insulators of any type and S & F new post insuator suitable for 11 KV complete all as specified and directed by Engr-in-charge. 79 M & L for servicing of HT 11 KV VCB make-EASUN REYROLLE LTD., 3 phase50 Hz insulation level 12KV/28KV/75KVP, 630 Amps.(i) Cleaning of insulating places of VCBs by applying CTC/ CRC as reqd.(ii) Cleaning of Main contact to remove carbon particles.(iii) Checkig the arching contact of vaccum intrrupter assembly and readjust if reqd.(iv) open the CT /PT after disconnection from bus bar and measure the IR value of CTs/PTs and refixing of the same by applying self adhesive HT 3/4 Scapa tape for desired insulation.(v) Caliberation of all 11 KV HT VCBs/ AVR as per OEM norms. Note :- Cost of Repair/ Replacement of all requisite control wiring of HT VCBs and fuse shall deemed to included in quoted rate. 80 S & F in replacement of Cable route indicators. The cableroute indicators comprises for the followings:-Note ;- 1.The cable indicator shall be made up of CI round 100 mm dia welded fitted with MS angle Iron 40x40x6 mm, 45 CM long. The angle shall be grouted in PCC block 1:3:6 of size 150x150x150mm.The CI round shall be embossedwith the work MES HT Cables.2.The unit rate of S & F of Cable indicators shall be deemed to included the above provision complete. 81 Supply, installation, commissioning and testing of totally enclosed outdoor type factory fabricated HT Busbar Panel weldless cubical Kioskin modular bolted construction type dust and vermin proof equal angle iron mounted type (IP-65 degree of protection) made out of 3 mm thick CRCA sheet. All sheet metal parts separately chemically treated with 7 tank treatment process. The panel having both side opening door with locking arrangement (HT bus bar door lock should be easy openable, Brass knob type with comfirtabley gripped PVC head nut) all doors fixed with steel higes (door should be open from left hand side to right hand side) duly painted with two coats of synthetic enamel paint powder coated, mounted on iron angle frame made out of 50 X 50X 6 mm frame with 4 Nos of legs size not less than 50 cms (bottom portion of the panel wrt normal ground level) fixed with nut bolts of suitable size, grouted by using foundation 1:2:4 type C1 with 20 mm graded stone aggregates totally tested as per IEC 61439-I, incl taking down old unsv bus ba rpanel and including the following :-Busbar Details ;-Rated voltage :- 11 KV, 50 Hz.Enclosure Details :-Installation of HT Busbar- Outdoor Type (Angle Iron Legs mounted).HT Busbar Dimention (L x W x H) - 1200 x 900 x 600mmBusbar Details ;- Busbar Material - Copper.Busbar strips arrangemets - Horizontally fixed.Buabar insulation Materail - Bare.Busbar position - Edge mounted Bars.Busbar Size :-Busbar Width - 100 mmBusbar Thickness - 10 mmNumber of Busbar per Phase - 01Busbar Length per Phase - 500 mm, duly drilled holes for connections and mounted on epoxy resin cast HT support insulators for busbar support. 82 M&L for maint free earthing pit for Electric Equipement/lightening protection comprising of 3 Nos copper bounded earthing Electrode Compound filledModel 80 MTPBC, Length 3000mm internal strip size 50X6 Copper bonding electrode diameter 80 mm Make : True Power/ JMV/ Powertrac. Fixed in Three different earth pit of size 3.3 mtr deep placed in a triangular position at a distance 3 mtr each, earth pit filled with earth gel with hardenerSoil Resistivity improvement Powder Compound make of compound True Power/JMV/Powertrac(hygroscopic in nature) earth electrodes inter connected using copper strip of size 25 mm x3 mm and one test point made of copper plate of size 75x75x3mm thick connectingto all three earth pits using copper strip of size 25x3 mm all as required including boring hole for earth pits and removal of surplus soil , refilling of vegetation soil and earth pits FRP Earthing chamber cover earthing pit .Earthing Chamber FRP 420mm (Top),340mm (Base),210mm Heightfor test points and FRP Based Earthing Display Board with support stand , FRP coated width 254mm,Length-380mm, Height 610mm., complete all as required and directed. Note :- Quoted rate shall deemed to included for the following :-(i) M&Lfor earth continuity conductor as Main earthing lead fixed to wall as batten etc. all as required of size 25x3mm copper strip. (ii) M&L Tubing GI med grade 40mm dia for protection ofearthing strip and passing the Road/passesand etc.
