REPAIR AND MAINTENANCE TO 11KV HT SWITCH GEARS TRANSFORMERS, HTLT NETWORK SYSTEM WITH CONNECTED ITEMS AT POCKET NO6 UNDER GE U ELECT SUPPLY DELHI CANTT10

Amount

Material and labour for servicing /testing of breaker/control panel including CT, PT and relays in control panel of VCB of capacity 400-1250 Amps and rating 11 KV complete as details mentioned as under:- (a) Details of servicing of breaker :- (i) Adjustment of mechanism if required. (ii) Clean the circuit breaker to remove dust and dirt. The envelope of the vacuum interrupter 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) Checking of Jaw Contacts Conditions and repair/adjust. (xiii) Replace the jaw contacts,If required. (xiv) Improvement of resistance of epoxy insulator and epoxy body by applying post heated varnish. (xv) Replacement of Dashpot/shock absorbers . (xvi) Replacement of carbon brush of spring charging motor (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 following relays of control panel with Secondary Injection Kit ,checking and programming of relay : -(i) Over current and earth fault relay (d) Testing of followig Aux relay (i) DC Supply supervision relay. (ii) Master trip relay

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 200/100/5-5 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 2 here-in-before but having ratio 150/75/5-5

All as per item No 2 here-in-before but having ratio 100/50/5-5

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 24/110 Volts 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 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 spring charging 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 TNC 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 rod 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 & fix in replacement 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 in replacement 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 SP

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

Supply, installation and testing of Numerical Relay draw out type in replacement of any 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 & 500 event record with time stamping, (iii) 4 analog input, 8 DI & 8 DO, (iv) Communicable on IEC61850 protocol, (v) Disturbance recording upto 1200 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, DC supervision relay, Trip circuit healthy relay, 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 or any type complete including associated wiring and integration with existing HT VCB panel complete all as specified and directed.

Supply installation & commissioning in replacement of 24V/40A Float Cum Boost Battery Charger unit including battery bank comprising 12 Nos of 2 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

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

M&L in replacement 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 strip 32mm by means of bolts, nuts, check nuts and washers 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 nuts and washers of galvanised iron 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 soft/loose soil, common salt & charcoal dust in alternate layers, PCC 1:3:6 type C2 as in pit, precast RCC 1:2:4 type B-1 with necessary reinforcement 6mm dia both ways as in cover & frame for pit, funnel, watering pipe 20 mm bore GI pipe light grade, protection pipe 40 mm bore GI pipe medium grade etc. (b) The quoted rates shall also deemed to include the cost of earth test point and earth strip/GI lead wire and protection pipe upto 7.5 meter beyond the earth plates electrode.

Disconnecting electrically and mechanically indoor/outdoor transformer capacity upto 630 KVA from HT/LT terminals and lowering down/getting out from 2/4/6 pole structure/plinth or inside sub station for major repairing/minor repair complete all as specified and directed .

Disconnecting electrically and mechanically indoor/outdoor transformers inside the substation or outdoor type on outside plinth of capacity 750 KVA to 1000 KVA, carefully for major/minor repairs complete all as specified and directed.

M&l for draining out complete transformer oil from transformer of upto 1000 KVA capacity at site which found major repair and storing the oil in suitable container (container to be provided by the contractor to keep aside for re-use (after repair) and lifting of core assembly by opening of top cover and other items for inspection/examination of core assembly, to make it ready for transportation to carry out rewinding work in workshop (Transportation charges shall be borne by the contractor against item No 35 & 36 of schedule ‘A’ here in after)

M&L for transportation of unserviceable transformer of capacity upto 630 KVA from site to workshop and return back for re-installation it on original position/location after repairing from workshop (Rate is deemed to be inclusive of transportation, T&P, crane and man power) complete all as specified and directed .

All as per item No 35.0 here in before but of capacity above 750 KVA to 1500 KVA

Shifting of transformer of capacity upto 1000 KVA from MES store Yard/Sub Stn (indoor/outdoor) for installation in another place as directed by Engr In Charge.

M&L labour for alternative arrangement by hiring, transportation of transformer of capacity upto 250 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 specifed and directed. Note : (i) Repairing of transformer have to be completed within 15 days no extra cost will be paid toward hiring charges beyond 15 days . Moreover contractor shall not be allowed to shift the hired transformer until it is replaced by the repaired transformer . In case any fault /burning /peeling of painting and any other defects occured in hired transformer the contractor shall have to made good himself from his own expenses. (ii) Contractor should check the available infrasturcture and to be sure regarding safety of hired transformer before installation . The rate quoted is deemed to be include transportation cost, earthing lead etc. (iii) In case the defective transformer not repaired & installed on its site within the specified period of 15 days from the date of handing over to contractor a panelty recovery @ Rs 1000 /- per day will be charged from his dues. During this period contractor shall not be allowed to shift the hired transformer until it is replaced by the repaired transformer . No extra cost beyond 15 days will be paid to contractor on this account.

All as per item No 38.0 here-in -before but capacity of transformer 315 to 630 KVA.

All as per item No 38.0 here-in -before but capacity of transformer 750 to 1000 KVA.

Taking down the unserviceable copper wound from transformer of capacity upto 250 KVA, 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, conservator tank removing of sludge, and making the inside surface of tank dry by blowing of hot air and rectify ant leakages in tank or any welding work is reqd as directed and specified.

All as per item No 41.0 here-in -before but capacity of transformer 315 to 630 KVA.

All as per item No 41.0 here-in -before but capacity of transformer 750 to 1100 KVA.

(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) Replacement of 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 ,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) Painting of Transformer with existing colour with sparying machine. (b) The contractor shall give written warranty of one year from the certified date of completion for the repaired transformer. Note :- HT/LT leg coils and transformer oil required for top up shall be measured and paid separately under relevant items of this Schedule here-in-after as supply only.

All as per item No 44.0 here-in -before but capacity of transformer 315 to 630 KVA.

All as per item No 44.0 here-in -before but capacity of transformer 750 to 1000 KVA.

Supply only HT/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 at site 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 relevant items of this Schedule here-in-after as supply only.

Supply only transformer oil of approved quality as per IS having dielectric strength of 45-60 KV in 2.5 mm gap for filling in transformer or for topping up as required and directed

Supply only Porcelain Transformer bushing on LT (440 Volt) side, including brass stems conical bush for transformer of capacity upto 250 KVA as per existing size .

All as per Serial item No 50.0 here-in-before but capacity 315 KVA to 630 KVA

All as per Serial item No 50.0 here-in-before but capacity 750 KVA to 1000 KVA

Supply only Porcelain Transformer bushing on HT (11 KV) side, including brass stems conical bush and gasket for transformer of capacity upto 250 KVA as per existing size.

All as per Serial item No 53.0 here-in-before but 315 KVA to 630 KVA

All as per Serial item No 53.0 here-in-before but 750 KVA to 1500 KVA

Supply and fixing in replacement, Silica Gel Breather assembly incl Silica Gel for indoor/outdoor transformers, capacity upto 250 KVA complete all as specified and directed.

All as per Serial item No 56.0 here-in-before but capacity 315 KVA to 630 KVA

All as per Serial item No 56.0 here-in-before but capacity 750 KVA to 1500 KVA

Supply and fixing 3 mm thick Sheet Transparent glass (each not exceeding 0.9 Sqm) ordinary quality and glazing with oil putty on cabin of OTI and WTI gauge of transformer/ VCB upto capacity 1000 KVA complete all as specified and directed.

Supply and fixing Thermometer of transformer capacity upto 1000 KVA complete all as specified and directed.

Material & Labour for painting of transformer of capacity upto 250 KVA with existing colour, with spraying machine, after cleaning, preparation of outer surface of transformer, including writing of Sl No ,SM No, and capacity of transformer complete all as specified and directed.

Material & Labour for painting of transformer of capacity 315 to 630 KVA with existing colour, with spraying machine, after cleaning, preparation of outer surface of transformer, including writing of Sl No ,SM No, and capacity of transformer complete all as specified and directed.

Material & Labour for painting of transformer of capacity 750 to 1000 KVA with existing colour, with spraying machine, after cleaning, preparation of outer surface of transformer, including writing of Sl No ,SM No, and capacity of transformer complete all as specified and directed.

Disconnecting electrically & mechanically indoor/outdoor transforemrs upto 250 KVA capacity, lowering down/getting out from plinth, 4/6 pole Structure carefully for prevent/stoping for leakage of transformer oil by welding / tightening the loose points at site, including opening of top cover, draining out transformer oil and other items and storing the oil in suitable container (container to be provided by the contractor to keep aside for re -use) including replacement of all unserviceable gasket, replacing the unsv HT/LT porcelain Bushing/studs as directed after repairing/stoping of oil leakage the same 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 transformer oil, T&P, crane, opening/closing of top cover by unscrewing nut, bolts washers , welding etc. The HT/LT porcelain Bushing , studs or gasket should be paid under relevent items of Sch as supply only.

All as per item No 64.0 here in before but of capacity 315 KVA to 630 KVA

All as per item No 64.0 here in before but of capacity 750 KVA to 1000 KVA NOTE:- (For item no 50 to 55) Fixing charges of parts under these items are included under item no-64 to 66).

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

Supply & fixing in replacement new off load tap changer assembly complete, making connection and testing complete of the transformer of following capacity .

63 KVA to 250 KVA

315 KVA to 630 KVA

Material & labour for replacement of oil level indicator of Transformer of any Cap all as directed by Engineer-in-charge

M&L for Brick Masonry ( Using sub class 'B' Brick) platform of size 2.5 m x 2.5 m x 1 m hight , built in CM 1:4 complete with excavation & earth work , PCC 1:4:8 type D-2 in foundation 150 mm thick , sub class 'B' brick work in CM 1:5 mm thick rendering in CM 1:6 on sides and top of the brick work , upto 150 mm below ground level , supply and fixing of 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 RCC 1:3:6 with 10 mm steel bar includding 20 mm graded aggregate , including provn of stair case on one side complete all as specified and directed .

Material and labour for crushed stone aggregate of size 40 mm, for loose filling under 2/4/6 pole structure / along the transformer plinth in side the fencing area after cleaning/ surface excavation and including making boundary around the 2/4/6 pole structure/ transformer fencing area using sub class B brick etc, complete all as specified.

Material and Labour for disconnecting burnt end or portion of cable from Transformer / LT panel/pole, removing the cable from loop including necessary excavation & earth work in soft/loose soil relaying and reconnecting the cable by removing burnt portion of cable and preparing fresh terminals including fixing of new lugs for 95 Sqmm to 400 Sqmm 3½ core of LT cable including taping, complete all as specified and directed.

All as per Srl item No.72.00 here in before but for upto 70 sqmm 3.5 core

Material and labour for fixing in replacement of Aluminium straight bolt terminal cable to flat type suitable for transformer's LT/HT stud any size for fixing LT cables.

Supply, laying, jointing, testing and commissioning in replacment LT underground cables 1100 volts grade, PVC insulated XLPE and PVC sheathed, heavy duty armoured, with multistranded aluminium conductors, IS-1554 marked of size 630 Sqmm 1 core , laid in trenches/duct complete all as specified and directed.

All as per srl item No 74.0 here-in-before but of size 400 Sqmm single core

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 m deep in soft/loose soil) for laying of cables or GI pipe and getting out including levelling of bottom suface to required level complete all as specified and directed

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.

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

Laying only old using old bricks obtained under srl item No'76' here in before.

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

Laying only old using old PCC cover obtained under srl item No'76.0' here in before.

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 m away and depositing where directed at a level n. exc. 1.5 m above the starting point complete all as specified and directed

Supplying, laying, 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

240 sqmm 3 core

Supply, laying, jointing, testing and commissioning in replacment of LT underground cables 1100 volts grade, PVC insulated XLPE and PVC sheathed, heavy duty armoured, with multistranded aluminium conductors, IS-7098, Part-II marked, laid in trenches/ duct/ under road/ footpath/ etc complete all as specified and directed of following sizes:-

25 Sqmm 4 core

50 Sqmm 3.5 core

95 Sqmm 3.5 core

120 Sqmm 3.5 core

185 Sqmm 3.5 core

Boring of hole under road/pavement/hard standing or any other situation by mannual means and suitable for passing of GI pipe 80 to 100 mm bore and making good both ends all specified and directed

Supply and lay GI pipe light grade in replacement as cable protection laid on trench/floor, fixed on pole/wall etc of size100 mm dia all as specified.

All as per item No 87 above but of size 80 mm dia.

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 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 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.

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 2 coat of aluminium painting over a coat of red oxide to steel surfaces of HT 2/4pole sturcture (Angle Iron/MS channel /MS clamp etc) including preparation of old surface complete all as specified.

S&F in replacement for Danger Notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white , with letters, figures and conventional skull and bobes in signal red colour and fixed with MS clamps, bolts and nuts of approved size, for HT, 25x20 cm size including taking down old one complete all as specified and directed.

Material and labour for Demolition of path /concrete in ground floors and pavings n exc 15 cm thickness (below or above ground level) complete all as specified and as directed.

Material and labour for Cement Concrete type B-2 mix, 1:2:4 (40mm graded aggregate) 150mm thick, finishing the top surfaces fair and even complete all as specified and as directed.

M&L for painting with two coats of superior aluminium/smoke grey paint or as existing including necessary preparation of surfaces of steel fencing(bothside) by brushing/cleaning complete with steel structure/wire mesh/frame/ gate for 11 KV transformer/2 pole to 8 pole structure/ HT panels/Sub Station complete all as specified and directed.

S&F MS angle iron posts and struts in fencing including cutting top to shape as directed drilling holes welding and notching for wire etc and flat iron fillets for securing wire mesh including bedding or riveting etc complete all as specified and directed

Supplying and fixing (in replacement) 4 mm dia MS wire 75x75mm mesh, made upto into mattress or cages appx 2.00 m height and fixed with flat iron/angle as per existing by welding in position complete all as specified and directed

Material and labour for two coats of synthetic enamel paint of silver colour on steel surfaces over a coat of red oxide primer including preparation of surfaces complete all as specified.

Material and labour Brick work with sub-class 'B' bricks, straight or curved on plane exc 6 m mean radius, built in cement mortar 1:6 complete as specified and directed including dismantling of old unserviciable brick work.

Material and labour 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 all as specified and directed including

Material and labour for cement concrete type B-1, 1:2:4 (using 20 mm graded crushed stone aggregate) for floors and paving / coping of pole etc complete all as specified and directed including dismantling of old unserviciable PCC.

Material and labour Rubber Mat 2mtrx1 mtr Length, 19 mm thick, 1.1 kV Grade

Supply & fixing in replacement of Air circuit breaker 4 pole 800 Amps 50 KA withwith Microprocessor release manual drawout Adjustable type including dismantling & taking out old unserviceable ACB from panels & fabrication works to BUS bar for proper fitting .

S&F in replacement of UNSV MCCBs of following capacity as under of 415 Volts 50 Hz, AC, with adjustable thermal and magnetic release fixed in any type of existing LT panel/Feeder piller including taking out old existing unserviceable MCCB from panels etc complete all as directed

MCCB 630 Amps,TP, 50 KA.

MCCB 400 Amp, TP, 36 KA

MCCB 250 Amp,TP, 36 KA

MCCB 200 Amp,TP, 25 KA

MCCB 160 Amp,TP, 25 KA

MCCB 100 Amp,TP, 25KA

S&F in replacement of UNSV MCCBs of following capacity as under of 415 Volts 50 Hz, AC, with adjustable thermal and magnetic release fixed in any type of existing LT panel/Feeder piller including taking out old existing unserviceable MCCB from panels etc complete all as directed

MCCB 630 Amps, FP, 50 KA

MCCB 400 Amp, FP,36 KA

MCCB 320 Amp, FP, 36 KA

MCCB 250 Amp, FP, 36 KA

MCCB 200 Amp, FP, 25 KA

MCCB 160 Amp, FP, 25 KA

MCCB 100 Amp, FP, 25 KA

MCCB 63 Amp, FP, 25 KA

Material and labour in replacement for ATS 4 pole of capacity 200 Amps including controller and enclosure complete including fixing arrangement i.e suitable size of MS flat, nuts, bolts, washer, fixing of LT cables of any size with suitable size of lugs all as specified and directed.

All as per Srl item No.107 here in before but ATS 4 pole of cap 400 Amp.

Supply & fixing in replacement SS enclosure in-built neutral link, incl MCCB of cap 250 Amp 4 pole, 36 KA complete all as specified and directed.

Supply and fixing off load change over switch in replacement of capacity 200 Amps, four pole, 415 volts, AC, 50 Hz.

Supply and fixing off load change over switch in replacement of capacity 400 Amps, four pole, 415 volts, AC, 50 Hz.

Material and labour in replacement of Voltmeter 0-500 V digital type per existing size complete all as per specified and directed

Material and labour in replacement of Ammeter 0-400/800 Amp digital type per existing size complete all as per specified and directed

Supply and fixing in replacement of indicator lamp for RYB phases complete all as specified and directed.

Supply and fixing in replacement LT current transformer having following ratio of 15 VA, Class 0.5. complete all as specified and directed by Engr-in-Charge

CT ratio 1000/5 Amp

CT ratio 800/5 Amp

CT ratio 400/5 Amp

CT ratio 250/5 Amp

Supplying and fixing in replacement Mild steel sliding door bolts 200 mm long ,plate type, stove enamelled black, with bright bolt not less than 12mm dia with and including a minimum of 6 bolts and nuts, four on bolt plate and two on staple plate

Material and labour for painting of LT panel boards out door/in door of size above 8.00 Sqmm floor/leg mounted installed at different locations including preparation of exposed surface by removing old paint from the body, cleaning the surface with thinner and applying two coats of synthetic enamelled smoke grey paint complete all as specified and directed.

Material and labour for painting of LT panel boards out door/in door of size below 8.00 Sqmm floor/leg mounted installed at different locations including preparation of exposed surface by removing old paint from the body, cleaning the surface with thinner and applying two coats of synthetic enamelled smoke grey paint complete all as specified and directed.

M & L for cutting and removing grass, vegetation bushes etc from surrounding of installation/LT Panel/Four Pole structure/Sub Stations and removing all rubbish to a distance not exceeding 50 m as directed.

Material and labour for replacement of of LT Panel door/ CRCA MS sheet with any shape of thickness 3.15 mm powder coated finish over one coat of red oxide on out side surface and painted in side with two coats of red oxide primer with apran for cable entry closing locking arrangement including all fixing acessories i.e. suitable size of hinge, nuts, bolts, washers, cutting and welding works etc complete all as specified and directed.

Material and labour for painting of Package type Sub Stn of cap 315 KVA including preparation of exposed surface by removing old paint from the body, Door (both side) etc by cleaning the surface with thinner and applying two coats of synthetic enamelled paint complete all as specified and directed.

M & L for opening the HT breaker trolley, taking out carefully the circuit breaker trolley mounted PTs (set of three) , 11000 volt (for resue) of any make and reinstall at rear side of same VCB (Make:-Schneider) and testing/ commissioning after disconnection the HT supply, incl T&P also as directed by Engr In Charge.

M & L for modification of HT Panel by cutting/ welding alongwith MS angle/ plates for preparation of base of PTs (obtained from item No-123.0) for reinstallation as directed by Engr In Charge.

M & L for controll wiring of PTs (for item No-123) connected with relays/voltmeter etc as directed by Engr In Charge

Supply, install, testing and commissioning in replacement of factory made tested LT panel board cubical double door compartment outdoor type leg mounted suitable for , 415 volts 3 phase, 4 wire, 50 HZ AC supply system having bus bar chamber with insulated Aluminium bus bar of rating not less than 1.5 times of Incomer/ Outgoings ACB/MCCBs, installed on proceline/ SMC insulator. The panel shall be dust and vermin proof IP -65 class protection and made of 3.15 mm CRCA MS sheet and inner compartment 1.6mm, 40X40X6 mm thick MS angle iron frame work, powder coated finished over one coat of red oxide on out side surface and painted in side with two coats of red oxide primer and rear opening type with apran for cable entery closing locking arrangement including internal wiring with PVC insulated solid copper conductor FRLS cable IS 694 marked , 1100 volts grade of appropriate size (but not less than 2.5 sqmm) and comprising of the following including necessary PCC in 1:2:4 type B1 using 20mm graded stone aggregate for platform of suitable size:-

All as per item no '126' here in before but INCOMING:- (i) MCCB 4 pole, 250 Amps Thermal Magnetic , Adjustable type, 50 Hz, 415 Volts, 36 KA -1 No OUTGOING:- (i) MCCB 4 pole, 100 Amps, 415 Volts, 36 KA Adjustable Thermal and Adjustable Magnetic setting- 3 Nos Note: for Item No 126 & 127 (i) All incoming and outgoing feeder shall be connected by cable through suitable size glands & thimbles. (ii)All MCCBs should be connected to BUS bAR with sufficient lemgth directly through expended links for connection of LT Cables.

Maretial and labour for shifting of RMU 3 way ,11 KV indoor type to another place as directed after disconnecting of HT supply and reconnecting the HT cables after reinstall the same and testing & commissioning also, all as specified and directed by Engr In Charge. Note :-(i) Cost of modification of plinth for RMU and Right angle boots (push on type) Set of 03 - 03 set are deemed to be included in the cost.

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 complete all as directed for following sizes

25 to 50 Sqmm x 3.5 core/ 4 core.

70 to 150 Sqmm x 3.5 core

185 to 400 Sqmm x 3.5 core

NOTE :-(i)contractor should 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.

M/s JAIMAA ASSOCIATES

Rajindera Enterprises

Vijay Electricals

MV Engineers And Contractors

M P TYAGI ENGINEERS AND CONTRACTORS

Buddham Builders