REPAIR/MAINT OF HT CABLE INCLUIDNG JOINTS , TRANSFORMER/RMU PLINTHS, FENCING, HT BUS BAR CHAMBER TRANSFORMERS, VCB, RMU, BATTERY CHARGER , RELAY AND CONNECTED ITEMS AT DHAULA KUAN PART-II ,SHOOTING RANGE, NODAL PUMP HOUSE-I, MES QTRS, APS SCHOOL

Amount

Disconnecting electrically and mechanically indoor/outdoor transformers inside the substation or outdoor type on outside plinth upto 750 KVA capacity, carefully for major/minor repairs complete all as specified and directed.

M&L 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 750 KVA capacity to workshop ( rate is deemed to be inclusive of transportation , T&P and men power ) complete all as specified and directed.

M&L for alternative arrangement by hiring, transportation of transformer of capacity 500 / 750 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. 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.

M&L for transportation of transformer of capacity upto 400 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. 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.

Taking out the unserviceable copper winding from transformer of capacity upto 400 KVA after opening top cover, and carrying out the following work complete all as specified and directed :- (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 500 to 750 KVA.

(a) Repairs to the transformer of capacity upto 400 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. (c) The following routine test as per IS 1180 (Part I) -2014 shall be carried out at repairing workshop/manufacturer having NABL Lab accredition and valid calibration of test equipments (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. 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. Note: - 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.

All as per item No 7 here-in -before but capacity of transformer 500 to 750 KVA.

Supply only HT coils with super enamelled copper wire /DPC of high quality duly matching with the existing guage and impedance.

Supply only LT coils with super enamelled copper wire strip/DPC of high quality duly matching with the existing guage and impedance.

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. Note :- Deficient quantity of Transformer oil required for top up shall be measured and paid separately under item No 13 here-in -after 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 as required and directed

Supplying and fixing 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 400 KVA and re-connecting electrically and mechanically, testing complete all as specified and directed. 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.

All as per Serial item No 13 here-in-before but capacity 500 KVA to 750 KVA

Supplying and fixing 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 400 KVA and connecting electrically and mechanically, testing complete all as specified and directed. 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 15 here-in-before but 500 KVA to 750KVA

Supplying and fixing in replacement, all unserviceable gasket after disconnecting electrically and mechanically for indoor/outdoor transformer of capacity upto 400 KVA and re-connecting electrically and mechanically, testing complete all as specified and directed. 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 17 here-in-before but 500 KVA to 750 KVA

Supplying and fixing in replacement, Silica Gel Breather assembly including vent pipe and Silica Gel for indoor/outdoor transformers, capacity upto 400 KVA complete all as specified and directed.

All as per Serial item No 19 here-in-before but capacity 500 KVA to 750 KVA

Supply and fixing Thermometer of transformer upto capacity 750 KVA complete all as specified and directed.

Material & Labour for painting of transformer installed on plinth/4/6 pole structures at various site of capacity upto 400 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.

Material & Labour for painting of transformer installed on plinth/4/6 pole structures at various site of capacity 500 to 750 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.

Earthing complete 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 directed. 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 as directed.

Material and labour for sprading of stone aggregate of nominal size not more than 25 mm under 4/6 pole structure /surounding area of outdoor transformer manually without damaging any equipments, cable or parts , spreading & levelling of finished gravel uniformaly in layers n. ecc. 15 cm thick watered and rammed to true surface all as specified and directed

Disconnecting electrically & mechanically outdoor transforemrs upto 630 KVA capacity, lowering down/getting out from existing plinth/ 4/6 pole sturucture 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. Note:- (a) Rate is deemed to be inclusive for hydra , men power, and other items required for temp energization of transformer. (b) Plinth work shall be measured and paid separetely under items of sch of work here-in -after.

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep in any type of soil (soft/losse soil) for foundation of transformer etc and getting out and levelling of bottom suface to required level all as specified and directed by Engineer- in- Charge.

Returning filling in,.Including spreading, levelling,. Watering and well ramming soil in layers not exceeding 25 cm thick all as specified and directed.

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 all as specified and directed by Engineer-in-Charge.

Material and labour 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.

Supplying and laying un-reinforced precast concrete cable cover, class HV, type 1, flat size 300mmx 180mm x 40mm.

All as per srl item No 32 here-in-before but using old cable cover obtained under srl item No 28 here in before.

M&L for Sand filling/soil filling under floors or in foundations including watering and consolidation complete all as specified and directed .

S&F 150 mm bore GI Pipe light grade with necessary accessories/ fittings for cable protections complete all as directed at site.

M&L Brick work with sub-class 'B' bricks, straight or curved on plan exc 6 m mean radius, built in cement mortar 1:6 complete as specified and directed.

M&L Rendering 15mm thick on fair faces of brick work or concrete surfaces in cement mortar (1:4) finished fair and even without using extra cement complete as specified and directed.

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

M & L for cement concrete type B-1, 1:2:4, 75 mm thick (using 20 mm gradded aggregate) for floors and paving etc complete all as specified and directed.

S&F 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 and inclusive of one primer coat, one under coat and one finishing coat of aluminium paint.

S&F 3.15mm dia MS wire 75x75mm mesh , 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 directed .

M & L for 2 coat of synthetic enamel painting over a coat of red oxide to MS wire fencing including preparation of newly surface/old surface complete all as specified.

Supply and fill in replacement silica gel in breather of transformer complete all as directed

M&L in replacement 32x6mm galvanised iron strip for earth continuity conductor for earthing of transformer , GOD , 4/6 pole , structure etc complete all as directed at site.

M&L for Repairs/maintenance of 11KV HT VCB/OCB Panel including bus couplor of any type, size and capacity complete including the following :- (a) Taking out 11KV HT VCB/OCB of 400/630/800 Amps rating trolley from HT Panel after switching off electric supply, checking of mechanical system for proper functioning of upward/downward movement of HT VCB trolley including opening the VCB & checking the quality of insulating. Cleaning & servicing the fixed/moving contact & blowing out dust from bus bar chamber, spout gear mechanism and applying the proper lubrication/greasing and reassembling the VCB connection, testing, commissioning and putting on load complete all as directed. (b) Taking out all types of relay from HT 11KV VCB panel and cleaning the contact and adjust the contact. Testing & Calibration and setting of all type of relay i.e. Numerical Relay, master tripping relay, Over current & earth fault relay, DC supply supervision relay, PT fuse failure relay with 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 by Engr-in-Charge.

Supply, installation and testing of Numerical Relay draw out type in HT 11 KV VCB Panel comprising of new and modern numerical scheme for detecting, indicating and tripping the breaker on faults over-current and earth-fault in any of the three phases, Trip circuit supervision relay, 5% pick up for OC and 5% for EF. The relay shall also have the following features as minimum; (i) Programmable rated current 1A & 5A, (ii) Last 8 fault record & 200 event record with time stamping, (iii) 4 analog CT & 3 PT input, 8 DI & 4 DO, (iv) Communicable on IEC61850 protocol, (v) Disturbance recording upto 300 cycles, (vi) Self supervision function. The relay shall be fully integrated with the feeder, internally capturing feeder statuses if available including Breaker On, Off, Spring Chrgd, Test, Service, AC-Fail, Trip circuit healthy relay, PT supervision, inter panel tripping, Master trip relay, local remote and display the same locally on a built-in LCD screen and suitably labeled status LEDs. Relay shall have facility to locally Trip/Close the breaker as a backup to TNC switch provided separately on the panel. The relay shall be fixed on new 2mm CRCA sheet of matching existing VCB panel color and suitable size covering all blank space formed by removing old mechanical type IDMT relay complete including associated wiring and integration with existing HT VCB panel complete all as specified and directed.

Supply, installation and testing of Numerical Relay draw out type in HT 11 KV VCB Panel comprising of new and modern numerical scheme for detecting, indicating and tripping the breaker on faults over-current and earth-fault in any of the three phases, Trip circuit supervision relay, 5% pick up for OC and 5% for EF. The relay shall also have the following features as minimum; (i) Programmable rated current 1A & 5A, (ii) Last 8 fault record & 200 event record with time stamping, (iii) 4 analog CT , 8 DI & 4 DO, (iv) Communicable on IEC61850 protocol, (v) Disturbance recording upto 300 cycles, (vi) Self supervision function. The relay shall be fully integrated with the feeder, internally capturing feeder statuses if available including Breaker On, Off, Spring Chrgd, Test, Service, AC-Fail, Trip circuit healthy relay, PT supervision, inter panel tripping, Master trip relay, local remote and display the same locally on a built-in LCD screen and suitably labeled status LEDs. Relay shall have facility to locally Trip/Close the breaker as a backup to TNC switch provided separately on the panel. The relay shall be fixed on new 2mm CRCA sheet of matching existing VCB panel color and suitable size covering all blank space formed by removing old mechanical type IDMT relay complete including associated wiring and integration with existing HT VCB panel complete all as specified and directed.

Supply and fix in replacement Digital Multifunction Meter (Acc.Cl.0.5) shall be provided with LCD display for measuring current, voltage, power, power-factor and energy-parameters, Total Harmonic Distortion and Max. Demand Indication, same shall be communicable on ModBus via RS485 port.

Supply installation & 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. Make of battery charger. Statcon/Sinetrac/Amar Raja Make of batteries. Exide/Amaron/Okaya

Supplying, installation, commissioning and testing in replacement of 11 KV Current Transformer (CT`s), indoor type, resin cast epoxy type, of 13.1 KA/Sec having ratio 300/150/5-5 Amps having Core1: Class 5P10, 10VA for protection , Core2: Class 0.5, 10VA for metering including associated wiring complete all as specified and directed

All as per item No. 50 here-in-before but having ratio 150/75/5-5

All as per item No 50 here-in-before but having ratio 100/50/5-5

All as per item No 50 here-in-before but having ratio 60/30/5-5

Material and labour for prepatation of old painted surfaces of steel by brusing/cleaning stain, greasy spots with thinner, applying two oats of synthetic enamel paint by spray machine on all sides of 11 KV VCB panel including writing of MES/SM No and details of feeder as directed by Engr-in-charge on grphic plastic sheet complete all as directed .

Supplying, installation, commissioning and testing in replacement of PT unit three phase, three limbs, upto 11 KV draw-out type, resin cast dry type, single ratio having primary voltage 11 KV & secondary voltage 110 volts, 50 VA class-1 including necessary bus bar connections & wiring for metering complete all as specified and directed .

S&F in replacement of LED indication lamp for breaker ON/OFF/TRIP/Breaker Spring Charged/R-Y-B etc for 11 KV control panel including associated wiring, if reqd, complete all as specified and directed.

Supply and installation in replacement Anti-condensation space-heater withThermostatic control in cable and circuit breaker compartments of HT switchgears complete all as specified and directed.

S&F in replacement of vacuum interrupter suitable for 400/630/800 amps, 11 KV HT VCB complete all as specified and directed

S&F in replacement of isolating contact assembly suitable for 400/630/800 amps, 11 KV HT VCB complete all as specified and directed

S&F in replacement of fixed contact block complete suitable for 400/630/800 amps, 11 KV HT VCB complete all as specified and directed

S&F in replacement of moving contact block complete suitable for 400/630/800 amps, 11 KV HT VCB complete all as specified and directed

S&F in replacement of motor & gear assembly 230V AC suitable for 400/630/800 amps, 11 KV HT VCB including testing & puting on load complete all as specified & directed.

S&F in replacement of spring bearing gear suitable for 400/630/800 amps, 11 KV HT VCB complete all as specified and directed

S&F in replacement of closing coil assembly 24 volts DC suitable for 400/630/800 amps, 11 KV HT VCB complete all as specified and directed

S&F in replacement of tripping coil assembly 24 volts DC suitable for 400/630/800 amps, 11 KV HT VCB complete all as specified and directed

Supply and fix in replacement close/trip coil 24V DC for 11 KV HT VCB of capacity 400/630/800 Amps capacity all as specified and directed.

S&F in replacement of panel door lock suitable for 400/630/800 amps, 11 KV HT VCB complete all as specified and directed

Supplying & Fixing in replacement auxillary switch (7 No + 7NC) suitable for 400/630/800 amps, 11 KV HT VCB complete all as specified and directed

Supply and fix in replacement T&C Switch for Breaker ON/OFF purpose in HT 11 KV VCB panel including associated wiring, if reqd, for proper functioning of switch complete all as specified and directed.

Supplying & Fixing in replacement support road with screws suitable for 400/630/800 amps, 11 KV HT VCB complete all as specified and directed

Supplying & Fixing in replacement support insulator suitable for 400/630/800 amps, 11 KV HT VCB complete all as specified and directed

Supplying & Fixing in replacement upper connector suitable for 400/630/800 amps, 11 KV HT VCB complete all as specified and directed

Supplying & Fixing in replacement lower connector suitable for 400/630/800 amps, 11 KV HT VCB complete all as specified and directed

Supply only set of 6 Nos fixed arcing contacts suitable for 400/630/800 amps, 11 KV HT VCB complete all as specified and directed

S&F Caution plate “CAUTION MEN AT WORK of size 40cmx15cm made out of white acrylic sheet with Red coloured glow tape.

S&F in replacement of HRC fuse of capacity 20 Amps for VCB complete all as specified and directed

S&F in replacement MCB 20 to 32 Amps DP

S&F in replacement of Digital Volt meter Secondary voltage 110 V for 11 KV VCB Control Panel.

M&L for Retro Reflective installation sign board of size 12 Feet x 2.5 Feet using 3 mm ACP sheet duly riveted / fixed on fabricated stainless steel 304 grade finished hollow section of size 25mm x 50mm with supporting ss strips in base at a height of 7 meter above ground level on stainless steel 304 grade pipe of size 80mm embedded 90 CM in PCC 1:2:4 type B 1 block of size 45cmx45cmx90cm including necessary excavation and earth work . The board shall be machine printed and the front of the ACP shall be overall sheathed with blue colour base adhesive tape. The writing matter shall be in English language on both side using reflective adhesive Painter tapes as directed. The size and letters and matter to be printed shall be finalized by Engr-in-Charge.

M&L in replacement 25x4mm galvanised iron strip for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in pipe or any other indicated situation for loop earthing etc complete all as specified and directed.

S&F and installation battery 12 volts,100 AH, dry type in replacement of old unserviceable battery in battery charger with suitable size of new copper battery terminal and lugs and initialy charging, commissioning and testing complete.

Suplying and laying as replacement in sub station fixing 3.3 to 11 KV electrical insulation mat of size 5 mtr x 1 mtr x 2.5 mm thick specification as per IS 15652 2006

Supply and fixing in replacement of Halogen light fittings including fitting of capacity 1000 Watt complete all as specified and directed.

Supply and fixing in replacement of Halogen lamp 1000 Watt for existing Halogen light fittings complete all as specified and directed.

Supply only in replacement of old unserviceable Blower having volumetric flow rate 4 to 5 cum/min, 230 Volt , 50 Hz, complete all as specified and directed.

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, cleaninng of carbon from main contacts, checking of spring tension, checking of loosened bolts and nuts , checking of loosened connections, rust, damaged, lead wire, checking of spring charging motor, improvement of resistance of CTs, PT, epoy insulator and epoxy body by applying post heated varnish complete all as directed and testing on load.

M&L for checking the existing pressure of SF6 Gas in gas chamber of 11 KV, 630 Amps RMU, 5/4 way before fillling and topping up to the SF6 gas in the chamber of RMU including supervision of gas filling /topping up process and checking the pressure of gas after filling complete all as specified and directed by Engr-in-Charge.

Supply & fixing in replacement of cable boot 11 KV in 630 Amps RMU, 5/4 way complete all as specified and directed by Engr-in-Charge.

Supplying and fixing in replacement associated ring-core cast-resin insulated CTs 100/1 Amps 2.5 VA 10P10 for protection in 11 KV, 630 Amps RMU (Ring main unit) complete all as specified and directed.

Supplying and fixing in replacement associated ring-core cast-resin insulated CTs 100-50/1 Amps 2.5 VA 10P10 for protection in 11 KV, 630 Amps RMU (Ring main unit) complete all as specified and directed.

Supplying and fixing in replacement 1-Ph (11 Kv/rt3) : 110 VAC, 50 VA Potential transformer in 11 KV, 630 Amps, RMU (Ring main Unit) complete all as specified and directed.

M&L for construction of brick masonry platform for Transformer of size 2.5m x 2.5m and total height 1.60 m (0.45 M below ground level and 1.0M above ground level including excavation and earth work ) with brick construction in wall and steps, using TMT bars 10mm thick to the distance of 0.15 mtr on the platform from both sides, PCC 1:3:6 type C-2 in foundation, brick work in CM 1:4, 15mm thick rendering in CM 1:4 on fair face of walls and steps, 100mm thick PCC 1:2:4 type B-2 (using 40mm graded crushed stone aggregate) in floor and paving, 40mm thick PCC on steps, and MS channels ISMC-75 of size 3 mtr (02 Nos) beneath the TMT bar on the platform for better support with painting to foundation and steps complete all as specified and directed by Engr-in-charge.

Supply, installing, testing and commissioning in replacement of factory made and tested HT Panel board, size: 1200 mm x 1200 mm x 900 mm ,cubical compartmentalized , out door type double door, suitable for 11000 Volts, 3 phase, 50 HZ AC supply system having bus bar chamber with insulated aluminium bus bars of size ,50 mm x 10 mm, 3 Nos installed on SMC insulators suitable for 11000 Volts .The panel shall be dust and vermin proof. IP-65 class protection and shall be made of 3.15 mm CRCA MS sheet, and 50x 50 x 6mm thick MS angle iron frame work, powder coated front and rear opening type, with apron for cable entry closing locking . The fixing of double doors shall be on MS hinges with anti-theft provision (the door can’t be removed from enclosure without cutting enclosure). including excavation, earth work and platform for the panel with PCC 1:4:8 type D-2 with 40 mm graded crushed stone, 15 cm thick in foundation, brick work in CM 1:6 with sub class 'B', old size bricks, rendering 15 mm thick in CM 1:6 on exposed surfaces and 100 mm thick PCC padding 1:3:6, type C-1 using 20 mm graded crushed sotne aggregate on top and grouting bolts etc for panel. The platform shall be such that it is of a height 45 cm above the nearest road level complete all as specified and directed by Engr-in-charge.

Supplyand fixing isolator aluminium Pad Clamp suitable for 11 KV transformer upto 630 KVA capacity as required on site 6mm to 10 MM thick complete all as specified and directed by Engr-in-charge

Supply and fixing mild steel chequered plates Fe410-W (Gde-E-250) quality on cable duct pit sizes as required on site 6mm to 10 MM thick including taking out of old unserviceable RCC duct cover complete all as specified and directed.

Supply, laying, jointing testing and connecting in replacement XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, 11 KV grade, IS 7098 marked, suitable for HT 11 KV(E) system, laid in trenches / ducts / encased in GI pipe / fixed to pole, including jointing & testing complete all as specified and directed of following sizes :-

95 sqmm 3 core.

120 sqmm 3 core.

185 sqmm 3 core

Boring of hole under road, pavement, hard standing by trenchless technology using ultra sound technique and any other necessary machine including material and labour for HDPE pipe of 150 mm dia suitable for 0.6 mpa working pressure.During boring work,hard rock may appear as the site is a hilly terrain any damage to the trenchless machine or any other machine will be in the scope of contractor. The contractor should take the permission from the Railway, NHAI, GAIL , BSES , MTNL , Army etc and other concern authority for boring is mandatory prior to initiation of work. . If any of the services get damage during trenchless work the cost of repairing/replacement of the same is deemed to be included in the quoted rate by the contractor.

Boring of hole under road/pavement/hard standing or any other situation by mannual means and suitable for passing of GI pipe 40 to 150 mm bore and making good both ends all specified and directed

S&F in replacement GI Pipe (light grade) with necessary accessories/ fittings for cable protections/pole for crossing of culverts/nallah of following bore sizes

Supply and fix Cable jointing kit for 11 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 of following size :-

95 Sqmm to 120 Sqmm, 3 core.

150 Sqmm to 185 Sqmm, 3 core.

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of following size :-

95 Sqmm 3 core.

120 Sqmm to 185 Sqmm, 3 core.

240 Sqmm to 300 Sqmm 3 core

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of following size :-

95 Sqmm 3 core.

120 Sqmm to 185 Sqmm, 3 core.

240 Sqmm to 300 Sqmm 3 core

M&L for Retro Reflective installation sign board of size 5 Feet x 2.5 Feet using 3 mm ACP sheet duly riveted / fixed on fabricated stainless steel 304 grade finished hollow section of size 25mm x 25 mm with supporting ss strips in base at a height of 2.5 meter above ground level on stainless steel 304 grade pipe of size 50mm embedded 75 CM in PCC 1:2:4 type B 1 block of size 45cmx45cmx75cm including necessary excavation and earth work . The board shall be machine printed and the front of the ACP shall be overall sheathed with blue colour base adhesive tape. The writing matter shall be in English language on both side using reflective adhesive Painter tapes as directed. The size and letters and matter to be printed shall be finalized by Engr-in-Charge.

Supply, installing, testing and commissioning in replacement of factory made and tested (including CPRI type tested certified panel) LT Panel board ,cubical compartmentalized , out door type double door , mounted on angle iron legs 50x50x6mm thick, suitable for 415 volts, 3 phase, 4 wire, 50 HZ AC supply system accommodated with 01 No ACB 4 pole, 800 Amp, 50 KA, 415 Volt AC Horizontal draw out type motorized, front operated with Microprocessor based LCD protection release for adjustable over current, short circuit and earth fault protection fitted with aluminum bus bar link 1200 Amps for incoming and outgoing cable connection. The panel shall be dust and vermin proof. IP-65 class protection and shall be made of 3.15 mm CRCA MS sheet, and 50x50x6mm thick MS angle iron frame work, powder coated finish over one coat of red oxide primer on outside surface and painted inside with two coats of red oxide primer, front and rear opening type, with apron for cable entry closing locking arrangement . including excavation, earth work and platform for the panel with PCC 1:4:8 type D-2 with 40 mm graded crushed stone, 15 cm thick in foundation, brick work in CM 1:6 with sub class 'B', old size bricks, rendering 15 mm thick in CM 1:6 on exposed surfaces and 100 mm thick PCC padding 1:3:6, type C-1 using 20 mm graded crushed sotne aggregate on top and grouting bolts etc for panel. The platform shall be such that it is of a height 45 cm above the nearest road level.

Supply and fix cable route indicator made of RCC(Nominal mix) type BO 1:2:4 (12.5 mm graded stone aggregate) with 8 mm TMT Bar 1.5 M height x 60 cm wide x 10 mm thick tapered on top visible above ground duly painted with synthetic enamel paint of Blue colour base and letters with black paint. The description for writing for HT cable 11000 volts will be given by Engr-in-charge/Accepting officer complete all as specified and as directed.

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 after rectification of fault or replacing faulty portion of cable with new cable and removing of surplus soil and using new bricks as required. Note: (a) 11000 Volt HT cable & joints shall be measured and paid for seperately under respective items of schedule. (b) Retrieved old serviceable PCC cable cover will be laid in trenches for cable protection. If extra 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.

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 Eng-in-charge

MV Engineers And Contractors

DS CONSTRUCTION

Bee Kay Engineers & Contractors

Rajindera Enterprises

M/s JAIMAA ASSOCIATES

mayur enterprises

M P TYAGI ENGINEERS AND CONTRACTORS