Tender For Repair Replacement And Servicing Ht Equipments Including Replacement Of Old Ht Cables And Its Connected Works At Aundh Military Station Under Ge Mh And Rh Khadki; 1 Disconnecting the HV(22KV) & LV(0.415kV) side electrical connections including neutral earth strip of existing step down transformer, drain out the complete oil of transformer and store carefully in clean container. Cleaning of all HV/LV windings terminals, cleaning of conservator tank, cooling fins/tubes, tank, etc. Thuroughly inspecting of core and winding complete, reinsert the core coil assembly into the transformer tank, replacing 5/3 mm thick rubberised corksheet gasket of top cover complete and refilled with filtered transformer oil upto the desired level marked in conservator tank and record the insulation resistance of the winding both HV/LV side between earth and HV/LV winding, reconnecting the HV/LV side electric cables complete of following capacity of stepdown transformer all as specified and directed.Note - Transformer oil filtration and top up shall be measured and paid seperately under the relevant item of schedule 2 Transformer capacity 100KVA to 250 KVA 3 Transformer capacity 300KVA to 500 KVA 4 M&L for dehydration of transformer oil with mobile stream line transformer oil filteration plant at site with all accessories connected to transformer and carrying out filterartion of oil to desired dielectric strenghtto achieve electric strength of 60 KV for 1 minute at 2.5 mm gap as per relevant IS fortransformer installed at various locations out door/in door type all as specified and directed by the Engineer in Charge Note : Test certificate shall be submitted for before and after filteration for dielectric strenght on the proper format. (ii) Transformer oil used for top up will be measured and paid seprately under relevant item. 5 Supply and topping up new transformer oil confirming to IS -335 of 1993 into the conservator tank/body tank of the transformer at various location all as specified and directed. Make : Power Oil or its equivalent. Note : The transformer oil for topping up shall be with di-electric strength of 40KV 6 Disconnecting all in coming and outdoor cables removing the transformer from the platform/two pole structure and floor and loading it in the vechicle carefully using the crane and transporting it to the workshop for repairs and transformer transport back to site, reinstall it, reconnecting all incoming and outgoing cable by properly crimping using lugs of suitable size taping the bushes/busbar, using insulation tape and testing of capacity 200 KVA to 500 KVA all as specified and directedNote :LT/HT side ceramic busing, brass spindle for HT/LT side, Rewinding, Dehydration of oil shall be measured and paid seprately in respective Items 7 M&L for rewinding of HT /LT windings oftransformer, winding the defective coils with approved quality copper wire as per IS of same gauge and existing size together with new insulation materials, bracings the terminals before placing into the tranformer and assembling the HT / LT coil with new insulation between core and LT coil all as required and fitting the coils in the chamber, testing and commisioning the transformer after providing necessary connections all as specified and directed 8 M&L for arrest the leakage of transformer oil from the LT/HT side bushings by replacing oil seals, Gaskets of, top cover, conservator tank and other parts of transformer afterdrain out the transformer at required level, tigtning the transformer nut bolts, replacing the gasket nuts, bolts, washer and refilling thestrored Transformer oilafter completion of oil arrest all as specifeid and directed.Note : (i) Spares requiredsuch as nut, bolts, washer, Gasket etc required to oil arrest shallbe deemed in quoted rate.(ii) Topping up of extra transforemer oil required to achieve desired level measured and paid seprately. (iii) HT/LT side complete bushing assemble with brass stud & oil seal shall be measured & paid under relevent items of schedule. 9 Supply only HT side bushing 22KV with oil sealfor 100 to 250 KVA 10 Supply only HT side bushing 22KV with oil seal for 300 to 500 KVA 11 Supply only LT side bushing 415Vwith oil sealfor 100 to 250KVA 12 Supply only LT side bushing 415V with oil sealfor 300 to 500 KVA 13 Replacement of breather assembly complete with silica jel in transparent container with metallic top and bottom cup with pipe entry of 15/20 mm dia, including oil bath tub all as specified and directed 14 Replacement of existing unserviceable silica gel with new crystal clear silica jel for breather of transformer all as specified and directed 15 Supply only brass spindle on LT side as per existing size, shape and specification for capacity range 100 KVA to 500 KVA all as specified and directed 16 Supply only brass spindle on HTside 22 KVas per existing size, shape and specification for capacity range 100 KVA to 500 KVA all as specified and directed 17 M&L for overhauling servicing of Tap changer and replacement of unserviceable parts as ordered with new and assembling with old serviceable parts for smooth functioning and operation all specified and directed. 18 M&L for transformerpainting with twocoat of synthetic enamel paint heat proof of same colour including preparation of old surfaces complete includuing writing the MES no in bold letter all as specified and directed. 19 M&L for painting to two pole structure with twocoats of aluminumpaintoverred oxide paint after preparation of old surfaces as per existing all as specified and directed. 20 M&L for painting to four pole structure with two coats of aluminum paint over red oxide paint after preparation of old surfaces as per existing all as specified and directed. 21 M&L for spray painting to exposed surface of steel tubular pole HT pole 11 metre long with two coats of synthetic enamel aluminium paint (as per existing colour) over a coat of red oxide primer including preparation of old painted surface by scrapping or complete removal of old paint, filling cavities with filler all as specified and directed 22 S&F in replacement of tubular aluminium alloy bus bar 12 mm thichness of 32 mm outer dia and 20 mm inner dia with colour code of Red, yellow & blue coupled with Al Clamps 120 mm Length 6 mm thickness mounted on polymer based 22 KV type insulators suitable for HT 22 KV two/four pole structures in horizontal layers duly coupled with strip jumbers, Lightning arrestors all as specified and directed 23 S&F in replacement of solid aluminium strip of 30 mm x 10 mm with colour code suitable for HT 22 KV two/four pole structures in verticle layers fixed in polyglass/epoxy & cycloaliphatic insulators duly coupled with horizantal bus bars, Lightning arrestors, drop out fuse assembly, Gang operated device all as specified and directed 24 S&F for Insulator Pin/ post type polymer based including one galvanishing MS spindle, nuts & washers for 22 KV grade and fixing to the structure all as specified and directed 25 S&F in repairs switch air break gang operated HT 22 KV Volt grade out door type, triple pole of capacity 200 amps rating mounted on Polymer based 9 insulator and fitted on steel frame horizontally mechanically operated mechanism from ground level consisting of operating rod of 25 mm bore Heavy grade GI pipe of suitable length worked from ground level and with locking arrangements including pad locks with key flat iron clamp 50 mm x 6 mm including taking down old unseviceable one all as specified and directed. Make: Pactil /Jaipuria Brothers / MEC Trivandrum 26 Supplying, installing, fixing, connecting and testing of polymer based Drop-out fuse set (set of 3 nos), mounted on insulators with steel frame 200 Amps capacity, siutable for 22KV, HT system, out door type, including Expulsion fuse carriers and fuse element Upto 25 Amp, including taking down old unserviceable one all as specified and directed 27 M&L in repais Lightning arrester high tension expulsion type complete with all fittings transmission class, discharge capacity 30 Kilo amps suitable for 22000 Volts supply including taking down old lightning arresters all as specified and directed 28 M&L for detect HT 22 KV cable faultfor various size of cable ofwith technician round the clock on Md Accn and OTM accn at Aundh Mil Stn areas detect the cable fault and necessary excavation of soil and refilling the soil, joint the faulty cable with new straight through joint kit, after jointing, testing, and charging of HT / LT cable all as specified and directed by Engr-in-Charge. Note: (i) Cable joint required size measured and paid separately (ii) Each job considered cable fault locator use in one day 29 M&L in repairs for errecting steel tubular swaged poles in true vertical position ( or to be fixed in an inclined positon as strut pole) steel tubular swaged poles complete with MS base plate of 6 mm thick of size 450x450 mm finial taper plug, pole cap, bolts, nuts and washer and screwd pole madeout of ERW MS tubing confirming to IS -2713 (part-II) 1980 type 410 SP-55 (11 meters long) pole including drilling of holes of required size and Nos for fixing of cross arms, painting with one coat of red oxide primer and two coats of aluminium paint for exposed surfaces and two coats of black bituminous paint for portion embeded in concrete.(For 2 pole Structure) all as specified and directed 30 Disconnecting ACSR conductor any type and supply and fixing ACSR conductor of any size/ type for OH line on poles insulator for jumpering connection including binding insulators with alluminium wire all as specified and directed 31 M&L for Cradles, hexagonal/rectangular, fabricated with galvanised steel wire 4 mm dia all as specified and directed. 32 M&L in repairs for cross arms, bracing, supports, clamps and back plates fabricated from structural steel section including nuts, bolts, washer, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat and one finishing coat of coat of paint all as specified and directed by Engr in charge 33 S&F in repairs Danger notice platefor HTof size 25 cm x 20 cm of 1.6mm thick mild steel sheet, veterious enamelled white with letter, fighers and conventional skull and bones with signal red colour and fixed with MS clamps, bolts and nuts all as specified and directed. 34 M&L PCC 1:4:8type D2 (using 40 mm graded crushed stone aggregate) for PCC pole/struts, stay assembly,foundation filling and mass concrete all as specified and directed. 35 M&L PCC 1:3:6type C1, (using 20 mm graded crushed stone aggregate) as in coping of pole all as specified and directed. 36 Excavation in trenches n.exc 1.50 m wide and not exc 1.5 m depth and getting out in soft / loose soil all as specified and directed. 37 Excavation in trenches n.exc 1.50 m wide and not exc 1.5 m depth and getting out in hard / dense soil all as specified and directed. 38 Excavation in trenches n.exc 1.50 m wide andexc 1.5 m depth and getting out in soft disintegratedsoil all as specified and directed. 39 Returing, filling in including spreading, leveling, watering and well ramming in layers not exc 25 cm in soil all as specified and directed. 40 Removing excavated materials not exc 50m and depositing where directed at a level not exc 1.5m above the starting point all as specified and directed. 41 M&L for riddled earth for cushioning to under ground cable in trenchesincluding spreading, levelling handpunning and consolidateall as specified and directed. Note : For the purpose of payment only punned thickness will be measured. 42 Supplying and laying reinforcedpre cast concrete cable cover, class EHV, type-1, with peak size450mmx230mmx50mm laid in trench as protection to cable all as specified and directed 43 Taking down burnt bricks / PCC covers of any size and relaying the same after laying of cable all as directed and specified. 44 M&L for road cutting for laying GI pipe for protection of cable upto depth 90 cm including making goodthe disturbedroad and redressing the disturbed surfaces of road with filling concrete type D-2 PCC 1:4:8 (using 40 mm graded crushed stone aggregate) all as specified and directed. (For HT/LT cable) 45 S&F in repairs GI pipe size 100 mm bore, Light grade(ISI marked) laid in trenches/ path /road crossings/ fixed to poles/ceiling/ along walls/ path /drain/floors with and including all necessary clamps, nuts, bolts, washers etc and all fittings as required all as specified and directed. 46 Supply and laying HT underground cable 95 sqmm x 3 core XLPE insulated, PVC bedded galvanised steel strip or wire armoured electric power cable heavy duty with sranded aluminium conductor 22000 volts grade including dismantling of old HT cables laid in trenches/passing through pipes or fixed on poles/wall/floor all as specified and directed. 47 All as per item No 40above but of Size 120 sqmm x 3 core 48 All as per item No 40above but of Size 185 sqmm x 3 core 49 All as per item No 40above but of Size 300 sqmm x 3 core 50 M&Lin repairs cable jointing kit of Size 95 sqmm x 3 core, 22 KV (Earthed) grade of cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable all as specified and directed by Engr-in-charge. 51 All as per item No 44above but ofSize 120 sqmm x 3 core to 185 Sqmm x 3 Core 52 All as per item No 44above but ofSize 240 Sqmm 3 Core to 300 sqmm x 3 core 53 M&L in repairs cable jointing kit Size 95 sqmm x 3 core for 22 KV(Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable all as specified and directed. 54 All as per item No 47above but of Size 120 sqmm x 3 core to 185 Sqmm x 3 Core 55 All as per item No 47above but ofSize 240 Sqmm 3 Core to 300 sqmm x 3 core 56 M&L forheat shrinkable HT 22 KV (earthed) straight through joint Size 95 sqmm x 3 core cable kit suitable for aluminium conductor cable all as specified and directed 57 All as per item No 50above but ofSize 120 sqmm x 3 core to 185 Sqmm x 3 Core 58 All as per item No 50above but ofSize 240 Sqmm 3 Core to 300 sqmm x 3 core 59 M&L for triming of tree branches with in 2.0 mtr on either side of the electric line/ poles with suitable T & P and depositing the waste all as specified and directed. 60 M&L for cable route indicator made out of Cast ironof dia 100 mm embrosed with HT cablewith 25mm x 5 mm GI flat of lenth 1 metreincluding painting with two coats of synthetic enamel red colour paint over a coat of primer to exposed surfaces all as specified and directed by the Engineer-in-charge. 61 Maintenance, Serviceing and calibration of 22 KV HT POVCBcomprises of the following:-(a) Checking the 22 KV HT POVCB/(SF 6 type) of 1600 Amps ratingHT panel after switching off electric supply checking of mechanical system for proper functioning of upward/downward movement of HT POVCB including servicing the CR Panel& checking the mechanical system. Cleaning & servicing the fixed/moving contact & blowing out dust and applying the proper lubrication/greasing theincluding replacing the control cables as required for connection to CR panel (b) Taking out relay set ( 2 Nos over current & 01 No earth fault relay) of any make from HT 22 KV CR panel and cleaning the contact(NO+NC) by CTC solution and adjust the contact and calibrate the relay by relay testing kit & proper plug setting as per reqd load & time delay and fixing the relay set in HT panels complete all as specified and directed. Note for (a) & (b):- (i) Testing of above job to be carried out by engineers of authorised dealer/service centre of concerned OBC. (ii) Replacing new items shall be measured and paid separately as supply only. (iii) Contractor shall submit the connected document/graph for relay calibration duly authenticated by authorised dealer/service center. 62 S&F Over current /earth fault protection Relay suitable for HT CR Panel ofcapacity24 V to 240 V AC/DC, 22KV, 3 ph, 50 Hz all as specified and directed by Engineer in Charge. Make- ASHIDA/CROMPTON / L & T/ SPHNEIDER 63 S&FVacuum interrupter bottle suitable for HT POVCB ofCapacity 1250 AMP, 22KV, 3 ph, 50 Hz Panel, all as specified and directed.Make- CROMPTON /ABB and equivallent 64 S&F Spring ChargeMotor suitable for HT POVCB of240V AC, 22KV, 3 ph,50 Hzall as specified and directed Make- CROMPTON/ ABB and Equilent 65 S&F Triping /Closing coilfor POVCB of 24V DC, 22KV, 3PH, 50Hz all as specified and directed.Make- CROMPTON 66 S&F TNC Switch ON/OFF suitable for 22 KV CR panel suitable for HT POVCB ofcapacity 16AMP 4P, 22KV, 3 ph,50 Hz Panel all as specified and directed.Make- CROMPTON/ AREVA 67 M&L for Servicing 22 KV HT RMU (Ring Main Unit), type - RM6, of capacity 630A/800A, 22KV, 3 ph, 50 Hz Panel, comprising the following works. Make-C&S (a) check the auxilliry switch, shunt trip assembly, closing/Trip solenoid, limit switch and complete control wiring all as specified and directed 68 Over hauling and testing of secondary injection of over current and earth fault relay of HT RMU 22 KV panel on each multiple setting, readjustment and calibration the same complete, checking of control wiring including testing on completion all as specified and directed. 69 Supplyonly of the following material for VCBs/RMU all as specified and as directed. 70 Charging motor, single phase working on 240 volts Ac 71 Closing/tripping coil operated on 110 /30 volt system 72 Tripping coil operated on 110 /30 volt system 73 loading Spring 74 latch switch assly 75 Space heater 76 Thermostat for Space heater 77 Refilling onsite SF6 Gas, required for 22 KV VCBs/RMUs 78 M&L for cleaning of MES electric supply installations/campus by surface dressing or trimming of natural ground to remove small unequalities (including removing vegetation/ shrubs/brush wood/under growth) and carrying away the rubbish to a distance of not exc 50 mtr away for the various sub stations including spray of herbsite all as specified and directed. 79 M&L forhardcore of gauge n.exc 63mm, deposited, spread, and levelled in layers n.exc15 cm thickness (below or above ground level), water and rammed to a true shape with broken stone or boulders existing available on site and making good all as specified and directed.( Sub Station Yard) 80 M&L of Synthetic insulating mat confirming to IS 15652:2006 of size 2mx1m x3mm thick for voltage up to 22/33 kv all as specified and directed by Engr in charge.
