REPAIR MAINTENANCE OF 33 11KV HT DISTRIBUTION OVERHEAD LINES HT UG CABLES VCBs TRANSFORMERS GODs LIGHTENING ARRESTORS 2 POLE 4 POLE STRUCTURES AND OTHER ALLIED MISC CONNECTED WORKS AT JASAI MIL STN UNDER GE ARMY BARMER

Amount

Supply and fix in repair moving contact blade for air break switch GOD for 11 KV complete all as specified and directed.

Supply and fix in repair Fixed contact jaw for air break switch GOD for 11 KV complete all as specified and directed.

Supply and fix in repair tinned copper flexible jumper 200 Amp for air break switch GOD for 11 KV complete all as specified and directed.

Supply and fix in repair MS jumper carrier for air break switch GOD for 11 KV complete all as specified and directed.

Supply and fix in repair fixed back connector for air break switch GOD for 11 KV complete all as specified and directed.

M&L for Calibration, Testing, Checking tripping of 11 KV/33KV Vaccume circuit breaker through IDMT over current and earth fault microprocessor based relay intended in service by primary current injection in CT and setting time of relay at required overload and earth to ensure proper function of relays trip coil, control circuit etc during fault condition complete all as specified and directed. Note : 1. Rates are deemed to include synchronisation of protection relay with main incoming 33 KV/11KV electric supply from JdVVNL i.e. Co- ordination of power system incl setting of 11 KV in coming and out going circuits enabling the system to respond quickly for arresting the tripping to particular outgoing circuit. the job may include liaison with JdVVNL for acquiring the tech data relative to relay/CT setting to achieve desired Co-ordination of the system all as directed at site and to the entire satisfaction of Engr in charge. 2. All Test equipments/T&P reqd for carry out calibration of relays etc should be deemed to be included in quoted rates.

Maintenance and complete overhauling of 11 KV VCB including dis assembling of operating mechanism parts, well cleaning with cleaning agent & CRC 2-26 and re-placing moving parts reassembling of parts including well cleaning the complete panel board, main bus bar all joints of bus bar, CTs, PTs spouts metal parts and making VCB perfect operating in manual and electric mode including all routine and preventive maintenance complete all as specified and directed.

Dismantling of unserviceable pre-stressed concrete poles of any size and shape including taking out of embedded portion of poles from concrete after necessary demolition of concrete foundation and disposal of the same all as specified and directed. (Note:- excavation & earthwork, etc. shall be measured and paid separately under relevant item of this schedule)

Dismantling cross-arms of MS channel or angle sections etc. complete and serviceable materials keep In safe custody for re-use and unserviceable removing from the site(s) complete all as specified and directed.

Dismantling insulators of any type, any size from HT poles and serviceable insulator keep in safe custody for re-use and unserviceable insulators removing from the Site(s), complete all as specified and as directed.

Dismantling of HT Pole stay assembly of any description and removed from the site(s) complete all as specified and directed. (Note:- excavation shall be measured and paid separately under relevant item of this schedule)

Dismantling of ACSR conductors from poles of any size & capacity and serviceable materials keep in safe custody for re-use and unserviceable materials removing from the Site(s), complete all as specified and as directed.

Dismantling earth wire, guarding cradle or disturbed span serviceable materials keep in safe custody for re-use and removing unserviceable materials from the Site(s) complete all as specified and as directed.

Dismantling of HT Lightning Arresters any type/size of any capacity with all fittings complete all as specified and directed.

Excavation in trenches in soft/loose soil not exceeding 1.5 mtr wider and 1.5 mtr depth for laying of cables and foundation etc and getting out including trimming sides and forming bottom surface all as specified and directed at site.

Excavation in trenches not exceeding 1.5 m wide and exceeding 1.5 m but not exc 3.0m in depth for foundation etc or for laying of cables, erection of poles, struts/stays etc not exceeding 10 sqm on plan and getting out in soft / loose soil complete.

Removing excavated material not exc. 50 m and depositing where directed at a level not exc 1.5 m above the starting point in soft / loose soil complete as specified and directed.

Returning filling including spreading levelling, watering and well ramming in layers not exceeding 25cm in soft/loose soil complete all as specified.

M&L for PCC 1:3:6 type C-2 using 40 mm grade stone aggregate in foundation of stay all as specified & directed by Engr-in-Charge.

M&L cement concrete 1:2:4 type B1 (using 20 mm graded stone aggregate) as in coping of poles, pedestal, etc including necessary form work etc complete all as specified and directed.

S&F Prestressed concrete pole, 11.0 metres long. 152 mm x 152 mm at top and 152 mm x 260 mm at bottom, class 9 complete all as specified and directed. [Note:- Excavation & earthwork, cement concrete, etc. will be measured and paid separately under relevant Items of this Schedule]

M & L for Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed including two coats of aluminium paint over a coat of red oxide zinc chrome primer including preparation of surfaces complete all as specified & as directed.

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, 150 mm height, 150 mm dia for 11000 volts grade complete all as specified and directed.

S & F Disc type insulator, porcelain, vitreous 145 mm high and 255 mm dia ball and socket type, white, brown or green, Single disc assembly for tension with tension clamps for conductors, working pressure 11000 volts grade complete all as specified and directed.

M & L stay assembly complete with all accessories such as mild steel galvanized flat iron stay clamp, 7/4 mild steel galvanized stay wire, mild steel galvanized stay bow, thimbles, 20 mm dia mild steel galvanized stay rod and mild steel galvanized stay-plate all as shown in electrical plate No 1 of SSR Part-I complete all as specified and as directed.[Note:- Excavation, earthwork, cement concrete work shall be measured and paid separately under relevant Items of this schedule].

Supply and fixing ,commissioning in replacement of tubular bty 2 volts 150 Amp Hrs maintanance free including connecting with strips to each other complete all as specified and directed.Make-Exide/Amron/Sukam/Micro Tech.

M & L for aluminium conductor, steel reinforced (ACSR) of any size as approved on HT/LT Poles including straining, binding to insulators with copper binding wire with connectors, etc, providing PVC sleeves for jumpers as in OH conductors complete all as specified and as directed.

Refixing and tightening of serviceable ACSR conductor for overhead lines of any size on LT poles including provisioning of necessary copper binding wire, connectors, PVC sleeves for jumpers etc as obtained from srl item No 12 here-in-before complete all as specified and as directed.

M & L for Galvanised steel continuous earth wire 4 mm dia complete all as specified and directed.

M & L for Cradles, hexagonal/rectangular, fabricated with galvanised steel wire 4mm dia complete all as specified and directed.

M & L for fixing and connection of lightening arresters non linear resistor type complete with all fittings, transmission class, discharge capacity 10 Kilo Amp of rating 11 KV complete all as specified and as directed.

Supply and Fix in replacement in repairs 11 KV drop out fuse suitable for 11000 volts grade 200 Amps all as directed by EIC

Dismantling air break gang operated switches vertical/ horizontal mounted including insulators and operating mechanism complete all as specified and directed.

Supply and fix switch air break gang operated triple pole mechanically operated mounted on insulator (09 insulators)& steel frame with operating mechanism including spring loaded mechanism set of three working from ground level ,including locking arrangement of Current rating up to 200 Amps (Vertical/Horizontal type), 11000 volt as per site requirement or directed by Engr-in-Charge.

M&L for Repairing of damaged/unserviceable gang operated devices 11/33 KV male & female contacts, flexible jumpers, MS jumper carrier and back connector plate incl cleaning and greasing of complete contacts of GOD unit, DO fuse unit and reluging of aluminium conductors connected to top & bottom contacts of GOD and DO units incl. welding and threading of operating rod mechanism complete making serviceable all as directed by Engr-in-Charge. Note:- (i) Necessary parts like knife, male/female contacts and aluminium conductor for jumpering will be Measured and paid separately against respective item. (ii) Rates for Welding machine, threading arrangements, grease, jumper and binding wire deemed to be included in quoted rates.

Taking out old unserviceable HT cable of size 95 sqmm including protection pipes/bricks or precast concrete cable cover etc of any description from trenches/poles/transformers of any size and unserviceable materials removing from site all as specified and as directed.

Supply, Laying, Jointing, commissioning & testing HT UG cable of size 95 Sqmm 3 core, 11000 Volts , aluminium conductor, XLPE insulated, earthed, screened, PVC bedded, armoured heavy duty electric cable conforming to IS-7098 (part-II) 1985 with latest amendments drawn through pipe or laid in trenches, fixed on poles etc. complete all as specified and as directed.

Laying only existing serviceable HT cable of size 95 sqmm obtained from item no 36 above complete all as specified and directed.

Laying only old serviceable bricks/ precast/ stone patti concrete cable cover as obtained here-in-before for protection of HT cable complete all as specified and directed.

Supply and laying un-reinforced precast concrete cable cover cases HV, Type - 1 flat size 300mm X 180mm X 40mm thick complete all as specified and as directed.

Supplying & laying dry clean sand in trenches for cushioning of U/G cable including spreading, leveling etc complete

Taking out old unserviceable GI pipe of size 80 mm dia from trenches/poles/transformers etc all as specified and as directed.

Taking out old unserviceable GI pipe of size 100 mm dia from trenches/poles/transformers etc all as specified and as directed.

Material & Labour for 80 mm dia GI pipe ‘light grade’ with all fittings for protection of cable laid on road crossing, drain crossing, laid in floor or fixed to iron structures/poles complete all as specified and directed.

Material & Labour for 100 mm dia GI pipe ‘light grade’ with all fittings for protection of cable laid on road crossing, drain crossing, laid in floor or fixed to iron structures/poles complete all as specified and directed.

Laying only existing serviceable 80 mm GI Pipe obtained from item no 42 above complete all as specified and directed.

M&L for disconnectiing the electric connection from over head line with care and removing the faulty step down transformer from two / four pole structure/platform and opening for inspection of Engr-in-Charge, fault finding and minor repairing/ servicing of transformer and repair/ replacement of worn out spares as directed at site incl. draining out the transformer oil in weather proof vessels and cleaning the transformer body thoroughly in side and out side with cotton and sand paper and reassembling, refilling of transformer oil, installation the same on its existing position connecting and testing complete 11/0.433 KV transformer of 25 to 63 KVA capacity all as specified and directed Note: 1. The material required for replacement of faulty parts will be measured and paid separately under relevant item. 2. The cost for fault checking/ fault finding, servicing and minor repairing including minor parts is deemed to be included in quoted rate. 3. New transformer oil filling after repair will be measured and paid separately against relevant item.

All as per item no 47 above here-in-before but 100 KVA to 315 KVA

M&L for replacement of unserviceable tap changer suitable for existing transformer upto 315 KVA

Supply only LT Bush insulators as per existing size and shape for 200 to 315 KVA capacity transformers.

Supply only LT Bush insulators as per existing size and shape for 25 to 160 KVA capacity transformers.

Supply only HV stud (metal parts) as per existing size and shape for 200 to 315 KVA capacity transformers.

Supply only HV stud (metal parts) as per existing size and shape for 25 to 160 KVA capacity transformers.

Supply only LT stud (metal parts) as per existing size and shape for 25 to 160 KVA capacity transformers.

Supply only LT stud (metal parts) as per existing size and shape for 200 to 315 KVA capacity transformers.

Supply only gasket (set of four) for LT bushing as per existing size & shape complete for the 200 to 315 KVA capacity transformers.

Supply only gasket (set of four) for LT bushing as per existing size & shape complete for 25 to 160 KVA capacity transformers.

Supply only of top cover gasket set as per existing size and shape complete for 200 to 315 KVA capacity transformers.

Supply only of top cover gasket set as per existing size and shape complete for 25 to 160 KVA capacity transformers.

Supply only temperature gauge of range 0 to 200oC for indication of temperature rise in transformer oil for transformers upto 315 KVA capacity.

Supply only breather assembly for transformer up to 315 KVA capacity complete all as specified and directed.

M&L for replacement of silica gel of existing breathers and all as directed by EIC

M&L for minor repairing of transformer at site by disconnecting electrical connection including rectification of leakage problem of any type, from bush insulators, gasket etc and radiator brazing work etc and LT side cable ends with suitable aluminium lugs after preparation of cable end after cutting damaged / burnt cable and insulating with tape etc incl replacement of cable gland of suitable size upto 185 Sqmm. Note: (i) The cost of spare parts e.g. gasket, nut-bolts-washers, lugs, neoprene rubber, ACSR jumper, etc. will be measured and paid separately. ( ii) The cost fabricated copper strip/bus bar to connect LT bushing will be measured and paid separately. (if required fixing of cable lugs with a copper strip/bus bar fabricated to joint the cable end and LT bushing of transformer)

Supply and install test and commissioning of factory made powder coated cubical panel board (CPRI Approved) of size 0.9 mtr x 0.6 mtr x 0.60 mtr 3 phase, out door type front and rear door openable made out on 3.15 mm sheet CRCA sheet, including 200 Amps capacity Copper Busbar for junction box of HT connection and mounted on HT insulator and MS angle iron frame of size 50 x50 x 6mm grounded in PCC type B2 above ground level complete all as specified and direted.

Supply, fabrication, assembling, and testing HT/LT coil rewinding of transformer with super enameled or double paper insulated mass impregnated complete limbs of three phase complete with all insulating material aluminium winding wire of appropriate size and gauge with equal No of turns to match the existing coil of respective distribution power transformer of any type and capacity including dismantling, removing the core coil assembly from transformer remove the weak /unserviceable HT coil /LT Coil assembly drying, baking etc complete and remove the secondary coil assembly remove the insulation rewind with same coil and re-insulated. Assembling the primary and secondary coil in core, re-assembling the transformer complete refill with transformer oil, install, test and commissioning complete for transformer up to 100 KVA Capacity all as directed by EIC. Notes:- i) Transformer oil will be measured and paid separately. ii) Rate deemed to be included for transportation, lifting, testing and commissioning including guarantee of one year.

Preparation of old painted surfaces and removing dust and other deposited material by scraping from PCC poles of upto 11.00 metre length, cross arms brackets and applying 2 coats of aluminium paint to all steel surfaces, including MS clamps, cable protection pipe bracket fitted with street light fittings etc and including Zebra colour of painting from 1.5 mtr height from the top of caping/ bottom of pole as per site condition and numbering of poles complete all as specified and as directed by Engr-in –charge (Note:- Zebra colour will be applied by synthetic enamel paint of black/yellow colour as approved in alternate layer of 30 cm height of each layer)

All as per item 66 above here-in-before but 2 pole structure complete all as specified and directed.

All as per item 66 above but 4 pole structure complete all as specified and directed.

Trimming and pruning of tree branches around the overhead conductor, poles & stays ( not less than 3 metre) to clear the approach of overhead lines including removing of nest, wild grass creepers, unwanted vegetation, etc from pole/ stay including cleaning of creepers climbed on poles and angles, channels and disposal of branches/bushes to a distance and clearing the site complete all as specified & directed by Engr-in-Charge. NOTE:- 1. The necessary man power, tool & plant, cutting tools and JCB required for cutting/pruning of branches is deemed to incl in the rate quoted for the job. 2. Proper shut down will be taken by the authorised rep only.

Surface dressing of installation area by removing of grass, creepers, etc from the roof of the building, in fencing and surrounding area of installation building complete all as specified and directed.

Supply, filling & toping up new transformer oil conforming to for filling/toping up oil of transformer up to desired level complete all as specified and as directed. [Note:- Dielectric strength of oil should not be less than 50 KV at 2.5mm Gap complete all as specified and directed.] (Make : GULF/POWER OIL or equivalent as approved by GE)

Dehydration and filtration of existing transformer oil of transformer at different location in site with filtration machine and heating system to get Di-electric strength of oil 45KV minimum at 2.5mm Gap without disturbing the power supply system complete all as specified and as directed.

M & L in replacement earthing complete with galvanised steel earth plate electrode 600 x 600 x 6mm thick, burried directly in ground (earth pit not less then 2.25m deep bellow ground level) with top edge of the plate not less then 1.5m deep below normal ground level connected to galvanised iron strip of 32 x 6 mm by means of bolt, nuts, washers of galvanised steel earth strip protected by and including GI pipe 40mm dia bore (light grade) and connected to main test point as directed and including concrete pit in PCC(1:3:6)type C-1 precast RCC(1:1.5:3)type A-1 cover slab 54 x 5 cm reinforced with 4mm dia TMT bars @ 150 mm c/c both ways with one handle for lifting made out of 8mm dia TMT bar embedded in precast cover slab funnel wire mens 20mm bore GI pipe (medium grade) for watering charcoal and salt in alternate layers, including necessary excavation and earth work in any type of soil complete all as shown on electrical plate No3 of SSR part-I complete all as specified.

M & L for spreading coarsed aggregate/gravels 20 mm graded laid appx.75 mm thick layer in Sub Station Yard all as directed.

M&L 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 50 sqmm to 95 sqmm complete.

M & L 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 50 sqmm to 95 sqmm complete.

M & L 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 complete.

M&L 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.

M&L 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 complete.

M & L for filling of clean dry coarse sand all around the Transformer platform and cable duct after cleaning grass/small bushes etc including removal of old dirty sand complete all as specified and directed.

Dismantling of u/s existing earthing strip 32 x 6 mm.

S&F in repair GI strip laid in trenches / fixed on wall of size 32 mm x 6 mm laid for inter connecting /extension in earthing including excavation and earth work complete all as directed at site.

Supply and fix cable path indicators, CI of standard size as per relevant IS specifications with voltage and size of cable indicated duly fixed on MS angle of size 40x40x5 mm and 500 mm long, embedded in PCC block (1:3:6) type C2 using 40 mm grade stone aggregate of size 300mmx300mm x200 mm including painting and earth work complete all as specified and directed.

supply and fix name board Acrylic type (560mm x 800mm) of incoming and out going feeder, caution board,, Transformer record etc with radium glow sign Reflector type on acrylic board incl clamp of suitable size, nut, bolt etc all as directed by Eng - in - Charge.

Under ground Cable Testing / fault detection by authorised agency with Computerised Fault Detection Van complete to find the fault location for 33/11 KV rated UG cables as directed by Engineer in Charge at site. Note :- Any excavation and earth work and cable joint work involved will be measured and paid separately against respective item.

Supply and refilling of Monnex powder /CO2 /ABC powder MAP 90 Stored pressure type 9 ltrs capacity in existing fire extinguisher complete and all as directed at site.

Supply and refilling of mechanical foam 9 ltrs in existing fire extinguisher complete and all as directed at site.

Material and labour for repairing of spring charging motor of 11 KV VCB complete all as specified and directedat site.

Material and labour for replacement of defective control wiring of current transformers , ampere meter, voltmeter and potential transformers etc for circuits of indoor/Outdoor type 33/11 KV VCB'S using 2.5 sqmm copper flexible PVC insulated wire and suitable size of copper lugs and thimbles and connector all as directed.

Material and labour for replacement of U/S breaker control switch suitable for 11 KV OCB/VCB.

supply and fixing in repair of LED type indicator lamp (Red/Blue/Yellow) suitable for 110 Volt DC in VCB's.

Material and labour for replacement of unserviceable Testing Terminal Block suitable for 11 KV VCB's all as directed.

Material and labour for replacement of unserviceable male contacts up to 800 A suitable for 11 KV Indoor/Outdoor Type VCB Make as per sample

Material and labour for replacement of unserviceable Female contacts Suitable for 11 KV Indoor/Outdoor Type VCBs up to 800 A Make : as per sample.

Supply, fixing and testing in replacement of potential transformer, epoxy moulded resin cast, suitable for 11 KV VCB and of voltage ratio 11 KV/110 Volt.

Matrial and Labour for replacement of existing old type/obsolete any type 3 phase over current and earth fault relay with Overcurrent And Earth Fault Relay , Voltage: 24 V To 220 V as suitable to give to configured with the control mechanism of incoming feeder for over load and earth fault protection Make - CG/ Schneider or equivalent. (Numerical three phase over current and earth fault) duly calibrated suitable for use at 11 KV VCB's including settings/synchronisation as directed at site complete all as specified as per following features : -

Dismantling and taking out of trolley of control gear mechanism from existing 11 KV VCB of any Make and repair the gear mechanism by replacing of U/S ball bearing, locking lever and welding to lifting gear assembly alignment of Cam/Cam shaft incl limit switch and any other minor repair as directed at site including testing after repair of the same.

Material and labour for replacement of unserviceable tripping/ closing coil 24/36/110 Volt DC Supply suitable for 11 KV VCB.

Supplying and laying synthetic rubber insulated mats 3 mm thick for voltage upto 33 KV for electrical purpose as per IS 15652-2006,(susperseding IS 5424) suitable for electrical shock ,safety of size 2 m x 1 m complete all as specified and directed at site.

M & L for Anti vegetation spray ‘Round Up’ or equivalent as approved by GE including removing shrubs, grass, small vegetation etc completely in switch yard/electric installation minimum quantity one litre per 15 sqm area and all as directed & specified by EIC. Note: Spray will be carried out at a regular interval of 90 days.Rates for repeated spray deemed to be included in quoted rates.

Material and Labour for disconnecting defective transformer 11 KV/0.433 KV of any capacity on foundation or two pole/ four pole structure and transportation for repair to workshop or factory,dismantling the transformer for repair and reassembling the same after repairs and renewal of unserviceable parts,denting welding etc and spray painting with two coats of synthetic enamelled paint (grey paint) including preparation of surface,marking of MES No with white paint of suitable size and transportation from workshop or factory to site and re-installed on plateform on two pole structure, commissioning and testing of transformer up to entire satisfaction of Engr-in-Charge.Note : Spare parts/transformer oil/rewinding will be measured and paid separately and supply & fixing only.

M&L for replacement of cable box cover of distribution transformer of any capacity complete and all as directed by EIC.

National Rewinding Works