REPAIR AND MAINTENANCE OF TRANSFORMERS, RMU BATTERY CHARGER FEEDER PILLAR WITH CONNECTED ITEMS AND REPAIR AND MAINTENANCE DAMAGED 11 0415 KV CABLE AND ELECTRICAL BREAK DOWN INCLUDING FAULT DETECTION LOCALIZATION RECTIFICATION AND ALLIED WORKS IN 11

Amount

Disconnecting electrically and mechanically indoor/outdoor transformers inside the substation or outdoor type placed on outside plinth upto 1000 KVA capacity, carefully for major/minor repairs complete all as specified and directed by the Engg-in-Charge.

M&L for lifting of core assembly by opening of top cover and other items for checking of faults/repair and lowering / refixing the same in its original position after inspection to make it ready for transportation to carry out rewinding work in workshop including transportation of unservicieable transformer upto 1000 KVA capacity to workshop (rate is deemed to be inclusive of transportation, T&P and men power as required at site) complete all as specified and directed by the Engg-in-Charge.

M&L for transportation of transformer of capacity upto 500/630 KVA from MES Yard to site location using Hydra/Crane and truck as per requirement to replace defective transformer including installation, testing and connecting at site and to deposit the same to MES Yard after receipt and installation of repaired transformer at site complete all as specified and directed by the Engg-in-Charge. Note:- Contractor must arrange for transportation and installation for replacement of transformer at site immediately after receipt of verbal/telephonic/written complaint from JE/Engr-in-Charge within 1 day. Any delay beyond 1 day post receipt of complaint shall be penalized @ Rs 2500/- per day and shall be recovered from next due RAR.

M&L for alternative arrangement by hiring, transportation of transformer of capacity 500 / 630 KVA in place of unserviceable transformer on hire basis for 15 days including, installation, connecting and testing of transformer and return back after installation of repaired transformer complete all as specified and directed by the Engg-in-Charge. Notes:- (i) Contractor must arrange hired transformer including transportation and installation at site immediately after receipt of verbal/telephonic/written complaint from JE/Engr-in-Charge within 1 day. Any delay beyond 1 day post receipt of complaint shall be penalized @ Rs 3500/- per day and shall be recovered from next due RAR. (ii) Repairing of transformer must be completed within 15 days after receipt of verbal/ telephonic/ written complaint from JE/Engr-in-Charge. In case of any delay, no extra claim will be entertained towards hiring charges beyond 15 days and the contractor shall not be allowed to shift the hired transformer until replaced by repaired transformer. In case of any kind of fault / defect occurred in hired transformer, the contractor shall have to arrange further replacement without any additional cost and shall repair the defect from his own expenses. (iii) Contractor should check the available infrastructure and to be sure regarding safety of hired transformer before installation. The rate quoted is deemed to be including transportation cost, earthing lead etc.

Taking out the unserviceable copper winding from transformer of capacity upto 250 KVA after opening top cover, and carrying out the following work complete all as specified and directed by the Engg-in-Charge:- (a) Dismantling of all attachment viz breather assembly, conservator, oil temperature gauge, HT/LT bushing etc. and keeping aside for reuse.. (b) Taking out the core with winding assembly. (c) Removing of complete winding from core and dismantling the core, cleaning of core laminate sheet and keeping aside for reuse (d) Cleaning of complete transformer tank oil fins, removing of sludge, and making the inside surface of tank dry by blowing of hot air as directed and specified. (e) Painting of outside surfaces of transformer complete by means of spray machine as directed.

All as per item No 5 here-in -before but capacity of transformer 315 to 1000 KVA complete all as specified and directed by the Engg-in-Charge. Note for Item No 5 & 6 : - In case the defective transformer not repaired & installed at site within the specified period of 15 days from the date of handing over of defective transformer/complaint to contractor, a penalty recovery @ Rs 2500/- per day will be charged from his dues.

(a) Repairs to the transformer of capacity upto 250 KVA as follows :- (i) Rewinding of HT/LT leg coil complete using copper wire /strip of appropriate gauge, size and turn as per existing with double paper coated insulation including all requisite insulating materials like packing sleeves, separator, tapes etc. heating, varnishing the core and winding assembly after framing up top and bottom steel structure of transformer all as specified and directed. (ii) Replacement of all insulating materials other than incorporated for rewinding of HT/LT coils as per existing. (iii) Fixing only HT procelain bushing with studs, nuts, washers 3 Nos. and LT procelain bushing with studs, nuts, and washers 4 Nos. and connection with primary and secondary windings and reconnecting with the main terminals as required and directed. (iv) Fixing only breather assembly, conservator, oil temperature gauge after proper cleaning, minor repairs etc. as required and directed. (v) Replacement of all unserviceable gasket from top cover, HT/LT bushing with new one by using rubberised gasket sheet 4.0mm/6.0mm thick duly pasted with suitable adhesive . (vi) Replacement of unserviceable bolts with new one and fixing of existing serviceable bolts, nuts, washers of different sizes and tightening properly. (vii) Repositioning of core and winding assembly inside the tank, assembling complete unit and making the transformer ready for filling oil and subsequent testing as directed. (viii) Filling/topping up of new transformer oil of required quantities .

(b) M&L for transportation of repaired transformer to the original position (from where taken-down), disconnecting the alternative transformer, taking down the same, Re-installation of repaired indoor/outdoor transformer on 4/6 pole structure/plinth/inside sub station, connecting electrically and mechanically, testing and commissioning complete all as specified and directed by the Engg-in-Charge. (c) The following routine test as per IS 1180 (Part I) -2014 shall be carried out :- (i) Measurement of winding resistance. (ii) Measurement of voltage ratio and check of voltage vector relationship. (iii) Measurement of impedance voltage/short circuit impedance (principal tapping) and load loss . (iv) Measurement of no load loss and current. (v) Measurement of insulation resistance. (vi) Dielectric tests (d) The contractor shall give written warranty of one year from the date of sucessfull testing and installation of transformer. The contractor shall submit test report from repair workshop/manufacturer for above mentioned test. Note :-HT/LT leg coils copper wire/strip and transformer oil required shall be measured and paid separately under relevant items of this Schedule here-in-after as supply only.

All as per item No. 07 here-in -before but capacity of transformer 315 to 1000 KVA complete all as specified and directed by the Engg-in-Charge.

Supply only HT coils with super enamelled copper wire /DPC of high quality duly matching with the existing guage and impedance complete all as specified and directed by the Engg-in-Charge.

Supply only LT coils with super enamelled copper wire strip/DPC of high quality duly matching with the existing guage and impedance complete all as specified and directed by the Engg-in-Charge.

M&L for ON load Centrifuging and dehydration including filteration and cleaning of transformer oil by dehydration machine of 11/0.433 KV transformer installed at various site on plinth/4/6 pole structure of any capacity and topping up deficient transformer oil including testing of samples before and after dehydration and filteration complete all as specified and directed by the Engg-in-Charge. Note :- Deficient quantity of Transformer oil required for top up shall be measured and paid separately under respective as supply only.

Supply only transformer oil of approved quality as per IS having dielectric strength of 45-60 KV in 2.5mm gap for filling in transformer or for topping up complete all as specified and directed by the Engg-in-Charge.

S&F in replacement, Porcelain Transformer bushing on LT (440 Volt) side, including brass stems conical bush and gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 160 KVA and re-connecting electrically and mechanically, testing complete all as specified and directed by the Engg-in-Charge. Note :- The rates quoted is deemed to be included the cost of necessary labour charges for draining out & re-filling transforer oil, opening of top cover by unscrewing nut, bolts washers and provision of pad type bus bar almuminium of approppiate size /capacities of transformers with nut, bolt & washers etc.

All as per Serial item No.13 here-in-before but capacity 200 KVA to 315 KVA complete all as specified and directed by the Engg-in-Charge.

All as per Serial item No.13 here-in-before but capacity 400 KVA to 1000 KVA complete all as specified and directed by the Engg-in-Charge.

S&F in replacement Porcelain Transformer bushing on HT (11 KV) side, including brass stems conical bush and gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 160 KVA and connecting electrically and mechanically, testing complete all as specified and directed by the Engg-in-Charge. Note :-The rates quoted is deemed to be included the cost of necessary labour charges for draining out & re-filling transforer oil, opening of top cover by unscrewing nut, bolts washers and connections.

All as per Serial item No 16 here-in-before but 200 KVA to 315 KVA complete all as specified and directed by the Engg-in-Charge.

All as per Serial item No 16 here-in-before but 400 KVA to 1000 KVA complete all as specified and directed by the Engg-in-Charge.

S&F in replacement, all unserviceable gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 160 KVA and re-connecting electrically and mechanically, testing complete all as specified and directed by the Engg-in-Charge. Note. The rates quoted is deemed to be included the cost of necessary labour charges for draining out & re-filling transforer oil, opening of top cover by unscrewing nut, bolts washers etc.

All as per Serial item No 19 here-in-before but 200 KVA to 315 KVA complete all as specified and directed by the Engg-in-Charge.

All as per Serial item No 19 here-in-before but 400 KVA to 1000 KVA complete all as specified and directed by the Engg-in-Charge.

S&F in replacement, complete Silica Gel Breather assembly including vent pipe and Silica Gel for indoor/outdoor transformers of capacity upto 160 KVA complete all as specified and directed by the Engg-in-Charge.

All as per Serial item No.22 here-in-before but for capacity 200 KVA to 315 KVA complete all as specified and directed by the Engg-in-Charge.

All as per Serial item No.22 here-in-before but for capacity 400 KVA to 1000 KVA complete all as specified and directed by the Engg-in-Charge.

S&F in replacement Thermometer of transformer upto capacity 1000 KVA complete all as specified and directed by the Engg-in-Charge.

M&L for painting of transformer installed on plinth pole at various site of capacity upto 315 KVA with existing colour, with spraying machine, after cleaning, preparation of outer surface of transformer, including writing of SM No, MES and capacity of transformer complete all as specified and directed by the Engg-in-Charge.

M&L for painting of transformer installed on plinth at various site of capacity 400 to 1000 KVA with existing colour, with spraying machine, after cleaning, preparation of outer surface of transformer, including writing of SM No, MES and capacity of transformer complete all as specified and directed by the Engg-in-Charge.

Earthing complete in replacement with galvanized steel earth plate electrode of size 60cmx60cmx6 mm thick, buried directly in ground (earth pit not less than 3.5 m below normal ground level) with top edge of earth plate not less than 2.5m below normal ground level, connected to galvanized iron strip 32X6 mm by means of electric arc welding of galvanised iron or steel as shown in electrical plate No 3 of SSR Part I, connected to earth test point and the equipment on the other side complete all as specified, including testing and commissioning complete all as specified and directed by the Engg-in-Charge. Note : - (a) The unit rates quoted against this item shall be deemed to include the cost of excavation and earth work in any type of soil, common salt & charcoal dust in alternate layers, PCC 1:3:6 as in pit, precast RCC 1:2:4 type B-1 with necessary reinforcement as in cover & frame for pit, funnel, watering pipe 20 mm bore GI pipe light grade, protection pipe 40 mm bore GI pipe light grade etc. (b) The quoted rates shall also deemed to include the cost of earth test point and earth strip/GI earthing and protection pipe upto 7.5 meter beyond the earth plates electrode.

M&L for cutting and removing grass, vegetation bushes etc from surrounding 4 pole/6 pole HT structure , outside area of HT/LT installation and removing all rubbish to a distance not exceeding 50 m complete all as specified and directed by the Engg-in-Charge.

M&L for spreading stone aggregate upto 40 mm size in not less than 15 CM thick layer around 2/4 pole structers and ramming it to true level complete all as specified and directed by the Engg-in-Charge.

Disconnecting electrically & mechanically outdoor transforemrs upto 1000 KVA capacity, lowering down/getting out from plinth carefully for repairing /making of plinth of transformer and re- connecting electrically and mechanically after repairing/making of plinth, testing and commissioning complete all as specified and directed by the Engg-in-Charge. Note:- (a) Rate is deemed to be inclusive for hydra, men power, and other items as required for temp energization of transformer. (b) M&L used to repair the Plinth shall be measured and paid separetely under respective items.

S&F in replacement 100 mm bore GI Pipe light grade with necessary accessories/ fittings for cable protections complete all as specified and directed by the Engg-in-Charge.

Plateform :- M&L for Brick Masonry (Using sub class 'B' Brick) as in platform of size 2.0 m x 2.0 m x 1 m height, built in CM 1:4 complete incl necessay excavation & earth work, 150mm thick PCC 1:4:8 type D-2 in foundation, 15 mm thick rendering in CM 1:6 on sides and top of the brick work and upto 150 mm below GL, including S&F 02 Nos MS Chennels of suitable size for balancing of Transformer, embedded in PCC 1:2:4 type B-1 up to 100 mm Thick, Top Slab of RCC 1:3:6 Type C-1, with 10 mm steel bar palced 150mm C/C both way, including provision of stair case on one side complete all as specified and directed by the Engg-in-Charge.

M&L for PCC 1:3:6 type C-2 (using 40 mm gradded aggregate) as foundation, filling and mass concrete etc complete all as specified and directed by the Engg-in-Charge.

M&L for PCC 1:2:4, type B-1 (using 20 mm gradded aggregate) as in floors and paving or similar works complete all as specified and directed by the Engg-in-Charge.

S&F in replacement MS angle iron, flat, 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 inclusive of one primer coat, one under coat and one finishing coat of paint complete all as specified and directed by the Engg-in-Charge.

S&F in replacement 3.15mm dia MS wire with 75x75mm mesh size, made up into mattress or cages appx 2.00 mtr height and fixed with flate iron /angle by welding in position complete all as specified and directed by the Engg-in-Charge.

M&L for 2 coats of synthetic enamel painting over a coat of red oxide to MS wire fencing including preparation of surface complete all as specified and directed by the Engg-in-Charge.

Supply and fill in replacement silica gel in breather assembly of transformers of any capacity at any location complete all as specified and directed by the Engg-in-Charge.

M&L in replacement of Retro Reflective installation sign boards of size 5 feet x 4 feet fabricated out of 16 gauge MS sheet frame duly welded/riveted with MS square pipe of size 25mmx25mm at height 2.00 meter above ground level on stainless steel heavy duty pipe of size 50mm bore embaded 60 CM in PCC 1:2:4 type B1 in block of size 45cmx45cmx60cm including necessary excavation and earth work. The steel portion of the board shall be painted in stove enameled paint and the front & back of the frame shall be overall sheathed with blue colour base painter adhesive tape. The wiriting matter will be in English language on both sides with reflective adhesive painter tapes complete all as specified and directed by the Engg-in-Charge.

Supply, installation, testing & commissioning in replacement of 24V/40A Float Cum Boost Battery Charger unit including battery bank comprising 02 Nos of 12 Volts-100 AH sealed maintenance free battery. The CCCV battery charger consisting of copper wound, air cooled transformer, 01 Set single phase full wave bridge rectifier consisting of diodes and SCRs, liberally rated mounted on heat sink and complete with resistor/condenser network for surge supperssion . During auto float mode automatic changeover shall take place from float mode to boost mode and vice versa, 01 Set of solid state constant potential controller to stabilize the DC output voltage of the float cum boost charger, 01 No electronic controller , DC digital ammeter , DC digital voltmeter, Potentiometer , DC, MCB for reverse battery protection . The charger should have alarm annunciation with visual and audible alarm with manual reset facility for fuse fail alarm. Float cum boost battery charger and DC distribution board shall be housed in powder coated sheet steel cubicle with panels of 1.6mm thickness , louvers for ventilation , gland plate will be provided for cable entry from bottom . The battery charger shall be divided into two compartments. The upper compartment shall house the battery charger & DCDB with all necessary controls. The lower compartment shall be suitable for housing the batteries. Tech specification shall be as under:- a) Input working voltage-180 -270 Volts (b) Nominal Input Voltage - 230 V , AC , 50 Hz,1 (c) On load input power factor - > 0.8 (d) On load unit watt efficiencies-> 80% (e) No load losses of complete charge-< 10% (f) Ripple contents on the load (RMS)= 1% to 5% (g) Over load - 110% for 30 minutes and will give visual indication for over load condition. (h) Boost charging - 2.4 V/Cell . (j) Float charging -2.15 V/Cell (k) Float cum boost charging-Automatically changes from one state to another state as per battery condition and will give the visual indication for either float or boost based on charging mode. (l) Reverse polarity -No damage will caused. A visual indication for reverse polarity will appear with an audio alarm. (m) Short circuit-MCB protecton provided.

Disconnecting HT supply from 11 KV , 630 Amps RMU , 5/4 way and servicing and overhauling of RMU , checking of tripping mechanism , greasing of moving contacts , cleaning of carbon from main contacts , checking of spring tension ,Checking of loosened bolts and nuts, checking of loosened connections, rust, damaged lead wires, checking of spring charging motor , Improvement of resistance of CTs , PT, epoxy insulator and epoxy body by applying post heated varnish complete all as specified and directed by the Engg-in-Charge and testing on load. (a) Details of servicing of RMU :- (i) Adjustment of mechanism if required. (ii) Clean the circuit breaker to remove dust and dirt and insulating materials shall be wiped with a clean cloth. (iii) Apply a small amount of oil to rotary sections, sliding surfaces, pins, coupling section, etc.use grease for the operating shaft and bearings, and machine oil for other parts. (iv) Check for rust and wear. (v) Check Spring Tension and pitting of the Cluster Contacts. (vi) Visual check for rust and deformation. (vii) Check for loosened bolts and nuts, broken spring washers and snap pins etc. (viii) Check for loosened connections, rust, damaged lead wires. (ix) Check whether the contacts are damaged by arcing. (x) Checking of control circuit & tighten the connections if any. (xi) Check close & trip coil. (xii) Improvement of resistance of epoxy insulator and epoxy body by applying post heated varnish. (b) The following test shall be carried out:- (i) Primary Injection Test of CT / PT (ii) Closing & Opening Timing Test for all three poles. (iii) IR Test with megger in open and closed condition. (c) Testing of all relays of control panel with Secondary Injection Kit ,checking and programming of relay.

S&F in replacement of cable bushinng suitable for RMU, 11 KV, 630- 800 Amp, 3-7 way, complete all as specified and directed by the Engg-in-Charge.

S&F in replacement of Manometer assembly suitable for RMU, 11 KV, 630- 800 Amp, 3-7 way, complete all as specified and directed by the Engg-in-Charge.

S&F in replacement of Standered motorised Kit for V module suitable for RMU, 11 KV, 630- 800 Amp, 3-7 way, complete all as specified and directed by the Engg-in-Charge.

S&F in replacement of Spring charging Motor with Gear 24 V DC (NHP201491R1) suitable for RMU, 11 KV, 630- 800 Amp, 3-7 way, complete all as specified and directed by the Engg-in-Charge.

S&F in replacement of Capacitor Unit,VPIS, 9-15kV without cord suitable for RMU, 11 KV, 630- 800 Amp, 3-7 way, complete all as specified and directed by the Engg-in-Charge.

S&F in replacement of Trip Coil Only Y1 Control Volt 24 VDC suitable for RMU, 11 KV, 630- 800 Amp, 3-7 way, complete all as specified and directed by the Engg-in-Charge.

S&F in replacement of Close Coil Only Y2 Control Volt 24 VDC suitable for RMU, 11 KV, 630- 800 Amp, 3-7 way, complete all as specified and directed by the Engg-in-Charge.

S&F in replacement of TERMINAL PROTECTOR SILCAB (RAYCHEM) for 11kV suitable for RMU, 11 KV, 630- 800 Amp, 3-7 way, complete all as specified and directed by the Engg-in-Charge.

M&F for filling of SF6 gas and testing suitable for RMU, 11 KV, 630- 800 Amp, 3-7 way, complete all as specified and directed by the Engg-in-Charge.

S&F in replacement of Operating mechanism suitable for RMU, 11 KV, 630- 800 Amp, 3-7 way, complete all as specified and directed by the Engg-in-Charge.

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep (in soft/losse soil) for laying of cables or GI pipe and getting out and levelling of bottom suface to required level complete all as specified and directed by the Engg-in-Charge.

M&L for river washed and screened, dry sand for filling in trenches below and around underground cables for cushioning of cables etc, complete all as specified and directed by the Engg-in-Charge. Note : Measurement shall be taken after punning down.

S&F sub class B bricks having minimum compressive strength 75 Kg/ Sq cm laid in trenches for cable protection complete all as specified and directed by the Engg-in-Charge.

Supplying and laying un-reinforced precast concrete cable cover Class HV, type 1, for 11 KV flat size 300 mm x 180 mm x 40mm complete all as specified and directed by the Engg-in-Charge.

Returning filling in,. Including spreading, levelling,. Watering and well ramming soil in layers not exceeding 25 cm thick complete all as specified and directed by the Engg-in-Charge.

Removing excavated material (ie soil) from site to a distance n. exc 50 mtrs away and depositing where directed at a level n. exc. 1.5 mtr above the starting point complete all as specified and directed by the Engg-in-Charge.

Disconnecting faulty 11 KV HT cables of different sizes from both ends, testing the cables with high voltage DC testing machine and locating the fault in the cables by fault locating machine to pin point exact position of fault, re-connections and testing of cables after removal of fault complete all as specified and directed by the Engg-in-Charge.

All as per item Ser No 59.00 above but 1100 Volt LT cables complete all as specified and directed by the Engg-in-Charge. Note for item No-59.00 & 60.00 :- (a) HT/LT cable & joints shall be measured and paid for seperately under respective items of schedule. (b) Retrieved old serviceable cable cover/bricks will be laid in trenches for cable protection. If extra PCC cover/bricks and sand required at site shall be measured and paid separately under respective items of BOQs. (c) Excavation and earth work will be measured and paid for seperately under respective items of schedule.

Supply, laying, jointing, testing and commissioning in replacement or for making jointing work incl loop, LT underground cables of following sizes, PVC insulated XLPE and PVC sheathed, heavy duty armoured, with multistranded aluminium conductors, IS-7098 (part-I) marked, laid in trenches complete all as specified and directed by the Engg-in-Charge. Note Excavation, earth work ,cable protection , sand fillings , cable joint shall be measured and paid separately.

16 Sqmm 4 core

25 Sqmm 4 core

35 Sq mm 3.5 core.

50 Sq mm 3.5 core.

70 Sqmm 3.5 core

95 Sqmm 3.5 core

120 Sqmm 3.5 core

185 Sqmm 3.5 core

240 Sqmm 3.5 core

Supply, fixing and testing Straight through joint heat shrinkable type with jointing kit suitable for cable PVC/XLPE insulated armoured heavy duty aluminium conductor 1100 Volts grade for size 16 to 25 Sqmm, 3.5 core/ 4 core complete all as specified and directed by the Engg-in-Charge.

All as per item No 62 but size 35 to 50 Sqmm x 3.5 core

All as per item No 62 but size 70 to 95 Sqmm x 3.5 core

All as per item No 62 but size 120 to 150 Sqmm x 3.5 core

All as per item No 62 but size 185 to 240 Sqmm x 3.5 core

Supplying, laying, jointing testing and connecting in replacement or for making jointing work incl loop, XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) of following sizes with multistranded aluminum conductors, 11 KV grade (Earthed), IS 7098 (PART-II) marked, laid in trenches fixed to pole complete all as specified and directed by the Engg-in-Charge. Note :- Excavation, earth work ,cable protection, sand fillings, cable joint shall be measured and paid separately.

95 sqmm 3 core.

120 sqmm 3 core.

150 sqmm 3 core

185 sqmm 3 core

240 sqmm 3 core

300 sqmm 3 core

Supply, fixing and testing of Cable jointing kit for 11 KV (Earthed) grade cable for Indoor termination heat shrink type joint complete with jointing material and accessories suitable for XLPE armoured aluminium conductor cable of size 95 Sqmm 3 core complete all as specified and directed by the Engg-in-Charge.

All as per item No 68 but size 120 Sqmm to 185 Sqmm, 3 core complete all as specified and directed by the Engg-in-Charge.

All as per item No 68 but size 240 Sqmm to 300 Sqmm 3 core complete all as specified and directed by the Engg-in-Charge.

Supply, fixing, jointing and testing of Cable jointing kit for 11 KV (Earthed) grade cable for Outdoor termination heat shrink type joint complete with jointing material and accessories suitable for XLPE armoured aluminium conductor cable of size 50 to 95 Sqmm 3 core complete all as specified and directed by the Engg-in-Charge.

All as per item No 71 but size 120 Sqmm to 185 Sqmm, 3 core complete all as specified and directed by the Engg-in-Charge.

Supply, fixing, jointing and testing for 11 KV (Earthed) grade cable for Straight through heat shrink type joint complete with jointing material and accessories suitable for XLPE armoured aluminium conductor cable of size 50 to 95 Sqmm 3 core complete all as specified and directed by the Engg-in-Charge.

All as per item No 73 above but size 120 Sqmm to 185 Sqmm, 3 core complete all as specified and directed by the Engg-in-Charge.

All as per item No 73 above but size 240 Sqmm to 300 Sqmm 3 core complete all as specified and directed by the Engg-in-Charge.

Supply, laying, testing and commissioning in replacement of LT underground cables, 1100 volts grade, PVC insulated XLPE and PVC sheathed, heavy duty armoured, with multistranded aluminium conductors, laid in trenches / ducts / fixed on poles / walls / laid under roads / paths / drain / culverts or encased in GI pipe complete all as specified and directed of Cables sizes 400 Sqmm single core complete all as specified and directed by the Engg-in-Charge.

All as per item Sl No 76 above but of size 630 sqmm single core complete all as specified and directed by the Engg-in-Charge.

Supply, laying, jointing, testing and commissioning of LT underground cable of size 300 Sqmm 3.5 core, 1100 volts grade, PVC insulated XLPE and PVC sheathed, heavy duty armoured, with multistranded aluminium conductors, IS-7098, Part-I marked, laid in trenches/ duct/ under road/ footpath/ etc against re-routing / diversion from residential buildings/ road/ footpath etc complete all as specified and directed by the Engg-in-Charge.

Supply, laying, jointing, testing and commissioning of LT underground cable of size 240 Sqmm 3.5 core, 1100 volts grade, PVC insulated XLPE and PVC sheathed, heavy duty armoured, with multistranded aluminium conductors, IS-7098, Part-I marked, laid in trenches/ duct/ under road/ footpath/ etc against re-routing / diversion from residential buildings/ road/ footpath etc complete all as specified and directed by the Engg-in-Charge.

Taking out faulty underground 1100 Volt LT cable of different sizes by excavation and removing bricks of any size and relaying in the same trenches or re-routing to another site as directed after rectification of fault or replacing faulty portion of cable with new cable and removing of surplus soil and using new bricks as required complete all as specified and directed by the Engg-in-Charge.

Taking out faulty underground 11000 Volt HT cable of different sizes by excavation and removing PCC cover of any size and relaying in the same trenches or re-routing to another site as directed after rectification of fault or replacing faulty portion of cable with new cable and removing of surplus soil and using new bricks as required complete all as specified and directed by the Engg-in-Charge. (Note for item No 80 & 81): (a) HT/LT cable & joints shall be measured and paid for seperately under respective items of schedule if required. (b) Retrieved old serviceable PCC covers/ bricks will be laid in trenches for cable protection. If extra PCC cover/ bricks and sand required at site shall be measured and paid separately under respective items of BOQs. (c) Excavation and earth work will be measured and paid for seperately under respective items of schedule and should be measured twice in case of re-routing of cable.

M&L for disconnecting faulty/burnt end or portion of cable by removing the cable from loop including necessary excavation & earth work, relaying and reconnecting the cable by removing faulty/burnt portion of cable and preparing fresh terminals with suitable size of thimbles for 25 Sqmm 3.5/4 core to 70 Sqmm 3.5 core of LT cable to LT Panel/pole/main switch complete all as specified and directed by the Engg-in-Charge.

All as per item 82 above but for LT cable of size 95 Sqmm 3.5 core to 400 Sqmm 3.5 core complete all as specified and directed by the Engg-in-Charge.

Boring of hole under road/pavement/hard standing or any other situation by mannual and making good both ends complete all as specified and directed by the Engg-in-Charge.

Supply and lay GI pipe light grade of size 100 mm bore dia in replacement as cable protection laid on trench/floor, fixed on pole/wall etc complete all as specified and directed by the Engg-in-Charge.

All as per item No 85 above but of size 80 mm bore dia complete all as specified and directed by the Engg-in-Charge.

All as per item No 85 above but of size 50 mm bore dia complete all as specified and directed by the Engg-in-Charge.

S&F in replacement 1100 volts grade heavy duty cable PVC insulated aluminium conductor, served with inner sheathing of PVC tape and overall PVC sheathed in service connections twin core of following sizes complete all as specified and directed by the Engg-in-Charge.

Supply only Rubber Mat 2 mtr x 1 mtr Length, 19 mm thick, 1.1 kV Grade for insulation complete all as specified and directed by the Engg-in-Charge.

S&F in replacement of Air circuit breaker 4 pole 800 Amps 50 KA with Microprocessor release, manual drawout Adjustable type including dismantling & taking out old unserviceable ACB from panels & fabrication works to BUS bar for proper fitting complete all as specified and directed by the Engg-in-Charge.

S&F in replacement of On load change over switch of capacity 400 Amps, four pole, 415 volts, AC, 50 Hz alongwith connected bus bars etc in the existing LT panel complete all as specified and directed by the Engg-in-Charge.

S&F in replacement of On load change over switch of capacity 630 Amps, four pole, 415 volts, AC, 50 Hz alongwith connected bus bars etc in the existing LT panel complete all as specified and directed by the Engg-in-Charge.

S&F in replacement of Battery bank comprising 02 x 12 Volts, 150 AH sealed maintenance free battery for DC supply of HT Equipments complete all as specified and directed by the Engg-in-Charge.

Note : contractor should procure and provide 50 % of the material as listed above within 15 days of the placing of work order and shall be verified by the Engr-in-charge

mayur enterprises

Vijay Electricals

Ridhi engineers and builders

Rajindera Enterprises

M P TYAGI ENGINEERS AND CONTRACTORS

MV Engineers And Contractors

M/s JAIMAA ASSOCIATES

DS CONSTRUCTION