REPAIR / MAINTENANCE OF DISTRIBUTION TRANSFORMERS, HT SWITCH GEARS, HT CABLE/DISTRIBUTION SYSTEM WITH ALLIED WORKS AT CVD, PIRU VIHAR, DIPAC, HQ TG, VIKRAM BATRA LINE, CMP LINE, CHITRAL LINE, BASANTAR LINE, EME UNIT LINE AND ASSOCIATED AREA OF AGE (U

Amount

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 carefully for major/minor repairs complete all as specified and directed.

M&l for draining out complete transformer oil from transformer of upto 750 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 4 & 5 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 4.0 above but of capacity upto 750 KVA

Shifting of transformer of capacity upto 500 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 500 to 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 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.

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 8.0 here-in -before but capacity of transformer 315 to 630 KVA.

All as per item No 8.0 here-in -before but capacity of transformer 500 to 750 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) 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. ote: For Item no 07 to 13 The following routine test as per IS 1180 (Part I) -2014 shall be carried out at repairing workshop /manufacturer having NABL 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 (c) The contractor shall give written warranty of one year 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 11.0 here-in -before but capacity of transformer 315 to 630 KVA.

All as per item No 11.0 here-in -before but capacity of transformer 500 to 750KVA.

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 17.0 here-in-before but capacity 315 KVA to 630 KVA

All as per Serial item No 17.0 here-in-before but capacity 500 KVA to 750 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 20.0 here-in-before but 315 KVA to 630 KVA

All as per Serial item No 20.0 here-in-before but 500 to 750 KVA

Supply only Gasket of 6 mm thickness for Transformer of any cap .

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 24.0 here-in-before but capacity 315 KVA to 630 KVA

All as per Serial item No 24.0 here-in-before but capacity 500 to 750 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 upto capacity 750 KVA complete all as specified and directed.

Supply and fixing Thermometer of transformer capacity upto 750 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.

All as per item No- 29.0 above but of cap 315 to 630 KVA complete all as specified and directed.

All as per item No- 29.0 above but of cap 500-750 KVA 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 32.0 above but of capacity 315 KVA to 630 KVA.

All as per item No 32.0 above but of capacity 500 KVA to 750 KVA. Note:- (For item no 17.00 to 26.00) Fixing charges of parts under these items are included under item no-33.0 to 34.0).

Supply and filling in replacement of silica gel for transformer of any cap complete all as directed by Engr In charge.

Supply only 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

500 KVA to 750 KVA Note:- (For item no 36.01 to 36.03) Fixing charges of parts under these items are included under item no-11.0 to 13.0).

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

Platform :- M & L for Brick Masonry ( Using sub class 'B' Brick) platform of size 2.0 m x 2.0 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 , CM 15 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 Channels ISMC-75 of suitable size for balancing of Transformer embedded in PCC 1:2:4 type B-1 up to 100 mm Thick RCC 1:2:4 with 10 mm steel bar includding 20 mm graded stone aggregate , including provn of steps 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. 40.0 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 43.0 here-in-before but of size 400 Sqmm single core.

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.

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.

Material and labour for dismantling, testing & reinstallation of Battery Charger incl transportation to workshop and back for servicing of Bty Bank Charger of cap 24-110 Volt DC of any make including replacement of the following unsv spares:- (i) AVR Card Single Phase Charger -01 No (ii) Control Transformer -01 No (iii) Rotary Switch (1 Pole) -01 No (iv) Power Diode -01 No-03 Nos (v) Power SCR -02 Nos (vi) DC capacitors -01 No (vii) Potentiometer -06 Nos (viii) Pilot Lamp -01 No

Supply and fixing in replacement battery bank comprising 50 volts, 100 AH @ 2 Volt each- 25 Nos sealed maintenance free battery.

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 32 x 6 mm 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.

All as per item No 49.0 above but using copper plate 60 cm × 60 cm × 3.15mm thick electrode and 20 × 3mm copper strip as earthing lead, in replacement of any types of earthing, complete all as specified and as directed.

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, 25 x 20 cm size including taking down old one complete all as specified and directed.

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 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.

Disconnecting HT Supply, 11 KV opening the RMU (indoor/outdoor) after positioning the earth of indl feeder, material and labour for servicing /testing of RMU/control panel including CT, PT and relays in control panel of RMU of capacity 630- 800 Amp, 3-7 way, Make- ABB/ Siemens/Crompton etc and rating 11 KV complete as details mentioned as under:-

(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 following relays of control panel with Secondary Injection Kit ,checking and programming of relay.

Supply and fixing in replacement of Numerical relay drawout type in 11 KV,HT VCB, Make- ABB/Siemens complete all as directed by Engr In Charge by Engr In Charge.

Supply and fixing in replacement of current transformer (CTs) having ratio 300/150/5-5Amps for 11 KV,HT VCB, Make- ABB/Siemens/Crompton complete all as directed by Engr In Charge by Engr In Charge.

Supply and fixing in replacement of current transformer (CTs) having ratio 150/75/5-5Amps for drawout type in 11 KV,HT VCB, Make- ABB/Siemens/Crompton complete all as directed by Engr In Charge by Engr In Charge.

Supply and fixing in replacement of current transformer (CTs) having ratio 100/50/5-5Amps for drawout type in 11 KV,HT VCB, Make- ABB/Siemens/Crompton complete all as directed by Engr In Charge by Engr In Charge.

Supply and fixing in replacement of current transformer (CTs) having ratio 60/30/5-5Amps for drawout type in 11 KV,HT VCB, Make- ABB/Siemens/Crompton complete all as directed by Engr In Charge by Engr In Charge.

Supply and fixing in replacement of potential transformer 3phase 3 limbs (PT) unit drawout type for drawout type in 11 KV,HT VCB, Make- ABB/Siemens/Crompton complete all as directed by Engr In Charge by Engr In Charge.

Supply and fixing in replacement of LED indication lamp (R,Y,B) for drawout type in 11 KV,HT VCB, Make- ABB/Siemens/Crompton complete all as directed by Engr In Charge by Engr In Charge.

Supply and fixing in replacement of anti-condensation space heater for drawout type in 11 KV,HT VCB, Make- ABB/Siemens/Crompton complete all as directed by Engr In Charge by Engr In Charge.

Supply and fixing in replacement of vaccum interruptor for 400/630/800Amps drawout type in 11 KV,HT VCB, Make- ABB/Siemens/Cromptoncomplete all as directed by Engr In Charge by Engr In Charge.

Supply and fixing in replacement of isolating contact assembly for 400/630/800Amps drawout type in 11 KV,HT VCB, Make- ABB/Siemens/Crompton complete all as directed by Engr In Charge by Engr In Charge.

Supply and fixing in replacement of fixed block contact assembly for 400/630/800Amps drawout type in 11 KV,HT VCB, Make- ABB/Siemens/Crompton complete all as directed by Engr In Charge by Engr In Charge.

Supply and fixing in replacement of moving block contact assembly for 400/630/800Amps drawout type in 11 KV,HT VCB, Make- ABB/Siemens/Crompton complete all as directed by Engr In Charge by Engr In Charge.

Supply and fixing in replacement of motor and gear assembly 230Volt AC for 400/630/800Amps drawout type in 11 KV,HT VCB, ABB/Siemens/Crompton complete all as directed by Engr In Charge by Engr In Charge.

Supply and fixing in replacement of spring bearing gear assembly for 400/630/800Amps drawout type in 11 KV,HT VCB, Make- ABB/Siemens/Crompton complete all as directed by Engr In Charge by Engr In Charge.

Supply and fixing in replacement of closing coil assembly 24V DC for 400/630/800Amps drawout type in 11 KV,HT VCB, Make- ABB/Siemens/Crompton complete all as directed by Engr In Charge by Engr In Charge.

Supply and fixing in replacement of tripping coil assembly 24V DC for 400/630/800Amps drawout type in 11 KV,HT VCB, Make- ABB/Siemens/Crompton complete all as directed by Engr In Charge by Engr In Charge.

Supply and fixing in replacement of auxillary contact(7NO+7NC) assembly for 400/630/800Amps drawout type in 11 KV,HT VCB, Make- ABB/Siemens/Crompton complete all as directed by Engr In Charge by Engr In Charge.

Supply and fixing in replacement of panel door lock assembly for 400/630/800Amps drawout type in 11 KV,HT VCB, Make- ABB/Siemens/Crompton complete all as directed by Engr In Charge by Engr In Charge.

Supplying and fixing (in replacement) factory made and tested, Bus bar chamber, outdoor pedestal type, suitable for LT 415 volts 3 phase 4 wire, 50 Hz , AC supply system, having duly insulated four Nos aluminum bus bars, of rating 600 Amps, installed on epoxy / SMC type insulator. One no of MCCB of cap 250 Amp, 4 pole, 25 KA, adjustable type alongwith separator terminal should be connected with Main Bus Bar as outgoing. The panel shall be dust and vermin proof, IP-65 Protection class and made of 3.15 mm CRCA MS sheet and 40x40x5mm thick angle iron base frame work, suitable for connection of two nos LT cable of size 3.5 core 400 Sqmm one nos 70 sqmm 3.5 core, powder coated finish over one coat of red oxide primer outside and two coats of red oxide primer on inside, both side opening type, with aprons for cable entry, with double door shutter and locking arrangement of minimum size 65\0cm x 60cm x 45cm ( box size excluding legs) and mounted on angle iron pedstal 45 cms above groungd level all as specified including taking out old feeder pillar , LT cable from loop for connecting in new panel and necessary excavation etc incl necessary PCC work for foundation as directed.

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 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 2.0 mm, 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:- INCOMING:- (i) ON load changeover switch of cap 630 Amp, 4 pole-01 No (ii) MCCB 4 pole, 630 Amps Thermal Magnetic , Adjustable type, 50 Hz, 415 Volts, 36 KA -1 No OUTGOING:- (i) MCCB 4 pole, 400 Amps, 415 Volts, 36 KA Adjustable Thermal and Adjustable Magnetic setting- 1 Nos (ii) MCCB 4 pole, 100 Amps, 415 Volts, 16 KA Adjustable Thermal and Adjustable Magnetic setting- 2 Nos (ii) MCCB 4 pole, 125 Amps, 415 Volts, 16 KA Adjustable Thermal and Adjustable Magnetic setting- 1 Nos

Supply and fixing factory made tested LT panel board cubical type Single door out door 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 1000 Amp installed on porcelain/ SMC insulator. The panel should be dust and vermin proof IP - 65 class protection and made of 3.15 mm CRCA MS sheet and 40X40X6 mm thick MS angle iron frame work, powder coated finish 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 entry 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 1.5 sqmm) and comprising of the following, including fixing on the platform of trolly . (i) ACB 4 pole, 630 Amps Micro processor release manual drawout Adjustable type, 50 Hz, 415 Volts, 50 KA -1 No (ii) Voltmeter (0-500 V) digital type - 01 No (iii) Ammeter digital type - 01 No (iv) CT ratio 600/5 Amp class-1 ISI marked - 01 Set of three (v) Indicating lamp one set of three Note :- The Bus Bar having multiple holes should be capable for fixing of LT UG cable of size 300 sqmm 3.5 core.

M&L for painting with two coats of superior aluminium/smoke grey paint or as existing including necessary preparation of surfaces of steel fencing 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.

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 .

Fencing :- M&L for perimeter fencing of size 04m x 04m x 2m having MS work of angle iron for post and struts of fencing around the transformer plinth/substation/LT panels etc drilling holes flat iron fillet for securing wire mess by welding to angle iron frame and framed work as in door/gate of angle iron and wire mesh. Door to be fixed by 03 nos 100 mm long hinges and one sliding door bolt of 300 mm long for locking arrangement. Details are as follows:- (a) Angle iron post to post distance maintained not more than 02 mtr ,size of angle shall be 40x40x5mm.Angle Iron shall be embedded in natural ground not less than 0.60 m deep. (b) MS wire 75x75mm mesh 3.15 mm dia ,2mtr height and shall be fixed to post with flat iron 32 x 6 mm fillet with two coats of synthetic enamel paint over a coat of red oxide primer. (c) Cement concrete type D-2, 1:4:8 using grade crushed stone aggregate for mass concrete/ foundation. (d) Brickwork with subclass 'B ' bricks, straights or curved on plane exc 6m mean radius ,built in cement mortar 1:6 complete for toe wall along the perimeter fencing. The toe wall shall be one brick thick (23 cm), 30cm high (15 cm above GL and 15 cm below GL) on 75 mm thick PCC lean concrete. (e) The exposed surfaces of brickwork shall be rendered 15mm thick in CM (1:4) finished fair and even without using extra cement. (f) The steel gate shall be of size 1.00m x2.00 m fabricated from angle iron 40x40x5 mm frame and 12x12 mm square guard bars. (g) All the exposed surfaces of steel shall be painted with two coats of Synthetic enamel paint over one coat of Red Oxide Primer. (h) Necessary excavation and earthwork shall be included in the quoted rate.

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

Bee Kay Engineers & Contractors

DS CONSTRUCTION

Vijay Electricals

M P TYAGI ENGINEERS AND CONTRACTORS

M/s JAIMAA ASSOCIATES

Rajindera Enterprises