REPAIR/REPLACEMENT AND MAINTENANCE OF HT SWITCH GEAR, UG CABLES, TRANSFORMERS, DISTRIBUTION SYSTEM OF VARIOUS SUB STN AND MISC ELECTRIC WORKS UNDER WAC (U) SUBROTO PARK AND REPAIR/REPLACEMENT OF HT DISTRIBUTION SYSTEM/PROTECTION SYSTEM AT CAMERO AREA

Amount

Disconnecting worn out HT connections any size from VCB, cutting worn out leads ( near lugs ), re-fixing new Aluminium lugs , cleaning the bus bar chamber with 2-26 CRC solution , insulating with HT tape , connecting the cables with bus bar and testing for smooth functioning complete all as specified and as directed.

Repair/servicing of 400/630/800 A 11 KV mechanism/ calibration of HT VCB with highly skilled mechanic specialist in electric HT breakers line, by taking out trolley, decarbonizing of all parts using CRC-2-26 spray, checking of all fixed and moving parts, tightening of all nuts & bolts, dressing, cleaning of contacts by using emery paper for fine/smooth contact, tightening of all connections, checking of alignment for easy moving of breaker, checking of ON/OFF operation with setting of buffer gap adjustment, inspecting the wiring of IDMT relays contact travel contact alignments, roller gap, hard or light setting of breaker greasing of all moving mechanism complete all as specified and as directed. Note : Calibration will be carried out by auth contractor / Tech and test certificate will be kept on record.

S & F in replacement of following spares of VCB complete including required necessary spares :-

(a) Geared motor 230V AC/DC

(b) Trip Coil 24/110V DC

(c) Closed Coil 24/110V DC

(d) Close Latch

(e ) Trip Latch

(f) Operation counter

(g) Auxiliary Switch 6 NO/6NC

(h) Micro Switch

(j) Interrupter Housing

(k) Finger Contact 800A

(l) Drive Insulator

(m) Vacuum Interrupter - 800A, 13.1 KA

(n) Vacuum Interrupter - 1250A, 18.4 KA

(o) Vacuum Interrupter - 2000A, 26.4 KA

(p) Metal Part 250mm (for finger contact Upper side)

(q) Metal Part 135mm (for finger contact Lower side)

(r) Compact Mechanism

(s ) Spout Bushing

(t) C.T/ Dual core dual ratio, Cl.1, 5P 10

(u) P.T. 11 KV/110 V-100 VA

(v) P.T. Holder (Male-Female)

Taking down IDMT relay testing/calibration of IDMT relay (Set of two) over current and one earth fault for healthy tripping of over current and earth fault, adjust tripping time flag setting, ratio setting, instantaneous time setting etc as per installed capacity of transformer to be saved on maximum Short circuit current with considering of percentage impedance of transformers with artificial current injunction on primary side with current injunction machine and setting of relays to make as per the CT ratio complete all as specified and as directed.

S & F in replacement Digital type single pole non directional relay for one earth fault & two over current, type CDG-31,3D Horz 2 No S/R 3 element O/C & EF comprising over current operator with DC current connecting setting as per ratio including complete wiring complete all as specified and as directed.

S & F in replacement Indicator lamp with and including holder & cover to show all the three phase i.e RYB to be mounted on 11 KV HT switch gear, supplying, fixing and connecting in replacement; complete all as specified and as directed.

S & F in replacement Push button for trip and hold of 11 KV 400 A OCB/VCB complete all as specified and as directed.

S & F in replacement Bakelite kitkat with 10 A HRC fuse type NS complete all as specified and as directed.

S & F in replacement Primary copper wound type HT resin cast CTs, air cooled , dual current 3.0 VA, class 1 5P10 of ratio 400/1A, for 3 section protection and suitable burden for metering including making all, connection for relay meter indicator etc. and including connecting testing conforming to IS-2705-1992(latest revised); complete all as specified and as directed.

All as per srl item No 11 here-in-before but burden of ratio 2.5 VA, class 1.0 of ratio 300/1A complete all as specified and as directed.

S & F in replacement Primary copper wound type HT resin cast CTs, air cooled , dual current 15 VA burden of ratio 50/25/5 A, class 5P1O accuracy S T C 18.4 KA for 3 section protection and suitable burden for metering including making all, connection for relay meter indicator etc. and including connecting testing conforming to IS-2705-1992 (latest revised); complete all as specified and as directed.

All as per srl item No 13 here-in-before but burden of ratio 100/50/05 A ,complete all as specified and as directed.

All as per srl item No 13 here-in-before but burden of ratio 200/100/5 A ,complete all as specified and as directed.

S & F in replacement of dry type air cooled potential transformer of 11 KV single phase indoor resin cast CT of ratio 11 KV /rt3/110V/rt3 /110V/rt3 class 0.5-3, Bus bar 50 VA-50 VA, insulation level 28/75 KV voltage factor 1.2 Cont and 1.9 for 30 Sec conforming to IS-3156 complete all as specified and as directed.

M&L for Maintenance free battery 12 Volt, 40/45 AH complete all as specified and as directed.

S & F in replacement of power pack unit input 110 / 230 Volt AC and out put 24/110 V DC for maintenance free batteries charging for smooth tripping complete all as specified and as directed.

Dismantling & taking down old, deteriorated aluminium tube terminals and S & F Aluminium tube terminals for HV cable (heavy duty thimble) of size 95 sqmm including suitable size nuts, bolts & washers complete all as specified and directed.

All as per item No 19 above but 120 sqmm complete all as specified and directed.

All as per item No 19 above but 150 sqmm complete all as specified and directed.

All as per item No 19 above but 185 sqmm complete all as specified and directed.

All as per item No 19 above but 300 sqmm complete all as specified and directed.

S & F in replacement of HT danger notice plate of 25cm x 20 cm x 1.6mm thick mild steel sheet, vitreous enameled white with letters, figures and conventional skull and bones in signal red colour and fixed with MS clamps, bolts and nuts of required sizes complete all as specified and directed.(Note : Letters and Nos shall be in local language, Hindi and English).

Excavating in trenches in hard / dense soil not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundation, laying of cable etc not exc 10 Sq mtr on plan and not exc 1.5 mtr in depth and getting out complete all as specified and as directed.

Returning , filling in , including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick in hard/dense soil complete all as specified and as directed.

Removing excavated surplus soil to a distance upto 50m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and as directed.

Supply and laying un-reinforced precast concrete cable cover class HV type-1, flat size 300 mmx180mmx40mm complete all as specified and as directed.

Material and labour for sand cushioning by using fine sand ( Jamuna dry and clean sand ) in two layers , first layer of 80mm thick before laying of cable and second layer of 150mm thick after laying of cable complete all as specified and as directed.

Supply & Laying GI pipe light grade 80mm bore for cable protection with all fittings for passing the under ground HT cable under road crossing along poles walls and floors complete all as specified and as directed.

M&L for cutting of metallic road/ hard standing / hard rock/ wall up to a size not exceeding 20 cm width and not exceeding 90 cm depth for laying of protection pipe for cable including making good the disturbed road/ hard standing by providing PCC (1:2:4) type B1, 40mm graded crushed stone aggregate and block top with black bituminous upto existing surface including suitable size of GI pipe (if necessary) complete all as specified and as directed . Note: 1. If the interlocking tiles found to be damaged/ broken while removing, the contractor shall replace the broken tiles with new one withput any extra cost . 2. The Quoted rate is included for all material can paid/measured separately. 3. All the removable inter locking tiles/re fixable material shall kept carefully at a safe place for refixing.

Dismantling/disconnecting and taking out existing unserviceable defective HT cable, any size, any type from trenches / duct / poles including taking out old bricks complete all as specified and as directed.

Supply, Laying, Testing and Commissioning for XLPE insulated , screened, PVC bedded , galvanized steel strip or wire armoured , electric power cable ( heavy duty) with aluminium conductor 11 KV (E) grade , cross sectional area 150 Sqmm x 3 core confirming to IS-7098 ( Part II ) ( amended upto date ) including jointing and testing , complete all as specified and as directed. Make: Havells/polycab/Universal cableLtd/RR Kable

Supply, Laying, Testing and Commissioning for XLPE insulated , screened, PVC bedded , galvanized steel strip or wire armoured , electric power cable (heavy duty) with aluminium conductor 11 KV (E) grade , cross sectional area 185 Sqmm x 3 core confirming to IS-7098 ( Part II ) ( amended upto date ) including jointing and testing , complete all as specified and as directed. Make: Havells/polycab/Universal cableLtd/RR Kable

Supply, Laying, Testing and Commissioning for XLPE insulated , screened, PVC bedded , galvanized steel strip or wire armoured , electric power cable (heavy duty) with aluminium conductor 11 KV (E) grade , cross sectional area 300 Sqmm x 3 core confirming to IS-7098 ( Part II ) ( amended upto date ) including jointing and testing , complete all as specified and as directed. Make: Havells/polycab/Universal cableLtd/RR Kable

Dismantling of old U/S cable joints kit of any type and Material and labour for cable jointing kit for 11 KV (E) grade cable for indoor termination cold shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified and as directed. Make : RAYCHEM/M-Seal/Denson

Dismantling of old U/S cable joints kit of any type and Material and labour for cable jointing kit for 11 KV (E) grade cable for indoor termination cold shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 sqmm to 300 sqmm complete all as specified and as directed. Make : RAYCHEM/M-Seal/Denson

Dismantling of old U/S cable joints kit of any type and Material and labour for cable jointing kit for 11 KV (E) grade cable for outdoor termination cold shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size upto 95 sqmm complete all as specified and as directed. Make : RAYCHEM/M-Seal/Denson

Dismantling of old U/S cable joints kit of any type and Material and labour for cable jointing kit for 11 KV (E) grade cable for outdoor termination cold shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified and as directed. Make : RAYCHEM/M-Seal/Denson

Material and labour for cable jointing kit for 11 KV (E) grade cable for straight through cold shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified and as directed. Make : RAYCHEM/M-Seal/Denson

M&L for defect rectification in HT 11 KV cable laid in trenches by locating fault with the help of electronic fault locator machine comprising of surge generator pulse ECHP fault location with high frequency distance calculator etc. Excavation in any type of soil strata exposing the cable fault removal of deteriorated position of cable treating of cable and keeping the same ready for jointing work for cables of size upto 300 Sqmm 3 core. The fault located equipment will be brought to site within 02 hours of instruction received from Engineer-in-Charge complete all as specified and as directed.

Srl item no 41.00 contd...... Notes for Srl. Item No.41 : (i) The contractor shall bring the fault locating equipment at site with in 02 hours of instructions received from Engineer -in- charge and he shall ensure that the fault is rectified with in 24 hours of receipt of intimation from Engineer-in-charge failing which recovery of Rs. 500.00 per hour shall be recovered from the contractors dues w.e.f the time immediately after the expiry of 24 hours duration.(ii) For the purpose of payment one unit of “each job” shall comprise of detection of faults in a particular stretch of cable which are identified in that particular stretch , irrespective of number of defects / faults in that particular stretch which are detected during fault detection and the contractor's unit rate quoted shall be deemed to include for the same and all such defects / faults which are detected in that particular stretch shall be considered as one unit. (iii) Joints , jointing materials and cable required shall be measured and paid for separately.

Disconnecting the electric supply to the transformer,opening the top cover of 11 KV/0.433KV step down transformer upto 500 KVA capacity by removing the inspection cover/top cover, decanning of the transformer oil upto required level for replacement of LT/HT bush from the shell and replacement for burnt out/ unserviceable LT/HT bush, studs and gasket of buchholes to avoid leakage of oil, refilling of oil into the transformer after required repair works complete all as directed . Note : (a). HT /LT metal studs, HT/LT bushes and gaskets will be measured and paid separately under respective items here-in after. (b). Replacement of unserviceable bolts, nuts and washers are deemed to be included in the quoted rate.

Disconnecting the electric supply to the transformer,opening the top cover of 11 KV/0.433KV step down transformer of capacity 630 to 1000 KVA by removing the inspection cover/top cover, decanning of the transformer oil upto required level for replacement of LT/HT bush from the shell and replacement for burnt out/ unserviceable LT/HT bush, studs and gasket of buchholes to avoid leakage of oil, refilling of oil into the transformer after required repair works complete all as directed. Note : (a). HT /LT metal studs, HT/LT bushes and gaskets will be measured and paid separately under respective items here-in after. (b). Replacement of unserviceable bolts, nuts and washers are deemed to be included in the quoted rate.

Supply & fix of HT porcelain bush suitable for any make of transformers upto 500 KVA capacity complete all as specified and as directed

Supply & fix of HT porcelain bush suitable for any make of transformers of capacity 630 to 1000 KVA complete all as specified and as directed

Supply & fix of LT rod/studs with nuts and washers of brass all as per size and shape of original complete all as specified and as directed for: (a) upto 500 KVA

(b) above 630 KVA to 1250KVA

Supply & fix set of top cover gasket for transformers of capacity upto 500KVA complete all as specified and as directed

Supply & fix set of top cover gasket for transformers of capacity 630 KVA to 1000 KVA complete all as specified and as directed

M&L for painting of transformer upto 500 KVA including connected LT bus duct in the transformer room with synthetic enameled grey paint by using spray gun machine after removing all dust and rust and writing date of paint with black synthetic enamel paint complete all as specified and as directed.

M&L for painting of transformer of capacity 630 KVA to 1000 KVA including connected LT bus duct in the transformer room with synthetic enameled Grey paint by using spray gun machine after removing all dust and rust and writing date of paint with black synthetic enamel paint complete all as specified and as directed.

Supply & fix LT porcelain bush suitable for transformers in repair of any make and of capacity 500 KVA to 1000 KVA complete all as specified and directed.

Supply and fix of oil temperature gauge in repair for 750 /500 KVA transformer complete all as specified and directed

Supply and filling of fresh transformer oil in transformers having dielectric strength more than 45 KV in 3 mm gap including testing complete all as specified and directed

Purification, filtration and Dehydration of transformer oil of transformer installed at various indoor/outdoor sub station by ultra high vacuum filtration machine with stream line filtration plant at a temp 60 to 70 deg. Celsius and achieving minimum dielectric withstand strength of 60 KV for 1 minute in 2.5 mm gap setting (for used oil) complete all as specified and directed

Supply and fix digital type Ammeter of size 96X96 mm on HT panel as that of existing range model to suit to existing CT ratio 100/1A including taking out unserviceable one ,connecting ,testing and commissioning complete all as specified and directed .

Supply and fix digital type Ammeter of size 96X96 mm on HT panel as that of existing range model to suit to existing CT ratio 150/1A including taking out unserviceable one ,connecting, testing and commissioning complete all as specified and directed.

Supply only suitable for 11KV HV Hand gloves with ISI marked complete all as specified and directed.

Supply, laying and pasting on floor suitable for HV 11KV synthetic insulating rubber mat of size 2m x1m x 19mm class A with ISI marked complete all as specified and directed.

M&L for disconnecting HT & LT side cables of following indoor/outdoor transformer of capacity 63 KVA to 1000 KVA and earth strip from body and neutral of transformer mounted on two pole/four pole structure/staging/sub station and taking down the transformer manually/using mechanical means and lifting, loading and transportation to MES store yard/site to civil workshop for repair and opening of covers,draining out existing transformer oil,lifting of core,cleaning of oil tank,using chemicals,cleaning of core after removing HT/LT winding,re-assembling of new HT/LT windings with core varnishing heating and bringing back the same after repairs to the same point complete all as specified and directed. Note-(i) Rewiding of HT/LT coil any type/material,dehydration of transformer oil reassembling after repair etc.will be measured and paid separately under relevant item of the schedule. (ii) Spare part shall be measured and paid separately as supply only and cost of fixing and connection of spare shall be deemed to included in the quoted rate of the above items.

M&L for taking out old unserviceable HT/LT coil removing insulation complete by brushing coil,cleaning the the inner body complete making free from dust and dirt,all impurities, applying paper insulation(IS specified) of transformer complete of capacity 63 to 1000 KVA complete all as specified and directed.

M&L for re-winding of HT coils with super enamelled best quality copper wire of existing gauge with superior quality insulation material for transformer of capacity 63 to 1000 KVA complete all as specified and directed.

M&L for re-winding of LT coils with super enamelled best quality copper wire of existing guage with superior quality insulation material for transformer of capacity 63 to 400 KVA complete all as specified and directed.

M&L for painting of old painted surfaces with synthetic enamel paint to LT steel tubular/swan neck pole 9 mtr long including clamps,brackets, channels,cross arms,bracing supports,pipe of support for cable and swan neck etc including zebra painting at bottom up to 1.5 mtr above from the PCC coping and writing pole No with white paint complete etc complete all as specified and as directed.

M&L for cement concrete in foundations, filling and mass concrete type D2 1:4:8 with 40 mm graded stone aggregate for foundation of pole etc complete all as specified and as directed.

M&L for providing cement concrete type B1, 1:2:4 using 20 mm graded stone aggregate in foundation, roof kerbs or mud stops, rounded or chamfered on edges complete all as specified and as directed.

M&L for Earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6mm thick buried directly in ground vertically to a depth not less than 2.25 metre below ground level with top edge of earth plate at a depth of not less than 1.5 metre below normal ground level, earth plate surrounded by 15cm thick and packed layer of charcoal dust and common salt, connected to galvanised iron earth strip 25x4mm thick fixed by means of bolts, nuts and washers of the earth wire galvanised iron or steel and thimbles and other end of the earth wire connected to earthing test point and protected by galvanised iron pipe light grade 40mm dia upto 3m height above ground level and water pipe 20mm dia GI medium grade with socket and plug 30 cm above ground level including earthwork, PCC chamber in PCC (1:3:6) type C-2 using 40mm stone aggregate, cast iron cover, wire meah etc all as shown in electrical plate No. 3 of MES Schedule Part-I of SSR-2009 complete and all as specified and directed. Notes :- (i) 20 mm dia GI pipe for watering to be provided with a socket and plug and should be 30 cms above ground level. (ii) GI strip connecting upto pump,Gen set,LT panel and DBs earth connection is deemed to be included in this item. (iii) GI pipe 40 mm dia protection pipe shall be provided upto Ground level.

Taking out old unserviceable under ground LT cable upto 300 sqmm from trenches/floor/road/pipe/along poles including taking out old bricks complete all as specified and directed.

Supplying, laying, jointing and testing in replacement of XLPE insulated heavy duty multi stranded armoured and PVC sheathed LT cable 1100 volts grade with aluminium conductor cross sectional area 50 sqmm 3.5 core conforming to IS- 1554 laid in trenches/ducts/along poles/ through pipes complete all as specified & directed. Make : polycab/universal cables/Gloster/Havells Note: Excavation & earth work shall be measured & paid separately under appropriate item of this Schedule.

Supplying, laying, jointing and testing in replacement of XLPE insulated heavy duty multi stranded armoured and PVC sheathed LT cable 1100 volts grade with aluminium conductor cross sectional area 25 sqmm 4 core conforming to IS- 1554 laid in trenches/ ducts/ along poles/ through pipes complete all as specified & directed. Make : polycab/universal cables/Gloster/Havells Note: Excavation & earth work shall be measured & paid separately under appropriate item of this Schedule.

Supplying, laying, jointing and testing in replacement of XLPE insulated heavy duty multi stranded armoured and PVC sheathed LT cable 1100 volts grade with aluminium conductor cross sectional area 6 sqmm 2 core conforming to IS- 1554 laid in trenches/ ducts/ along poles/ through pipes complete all as specified & directed. Make : polycab/universal cables/Gloster/Havells Note: Excavation & earth work shall be measured & paid separately under appropriate item of this Schedule.

Supplying, laying, jointing and testing in replacement of XLPE insulated heavy duty multi stranded armoured and PVC sheathed LT cable 1100 volts grade with aluminium conductor cross sectional area 120 sqmm 3.5 core conforming to IS- 1554 laid in trenches/ ducts/ along poles/ through pipes complete all as specified & directed. Make : polycab/universal cables /Gloster/Havells Note: Excavation & earth work shall be measured & paid separately under appropriate item of this Schedule.

Supplying, laying, jointing and testing in replacement of XLPE insulated heavy duty multi stranded armoured and PVC sheathed LT cable 1100 volts grade with aluminium conductor cross sectional area 240 sqmm 3.5 core conforming to IS- 1554 laid in trenches/ ducts/ along poles/ through pipes complete all as specified & directed. Make : polycab/universal cables/Gloster/Havells Note: Excavation & earth work shall be measured & paid separately under appropriate item of this Schedule.

Supplying, laying, jointing and testing in replacement of XLPE insulated heavy duty multi stranded armoured and PVC sheathed LT cable 1100 volts grade with aluminium conductor cross sectional area 150 sqmm 3.5 core conforming to IS- 1554 laid in trenches/ ducts/ along poles/ through pipes complete all as specified & directed .Make ; polycab/universal cables/Gloster/Havells Note: Excavation & earth work shall be measured & paid separately under appropriate item of this Schedule.

M & L brick sub class 'B' locally available best quality laid in trenches above sand consolidated for cable protection complete all as specified and directed.

Disconnecting worn out HT connections, any size, from HT RMU, cutting worn out leads ( near lugs ), re-fixing new Aluminium lugs, cleaning the insulator and post of cable connector with 2-26 CRC solution , insulating with HT tape , connecting the cables with post top and testing for smooth functioning complete all as specified and as directed.

Repair/servicing of 400/630/800 A 11 KV mechanism/ calibration of HT RMU with highly skilled mechanic specialist in electric HT breakers line,by taking out breaker mechanism, decarborizing of all parts using CRC-2-26 spray, checking of all fixed and moving parts, tightening of all nuts & bolts, dressing, cleaning of contacts by using emery paper for fine/smooth contact, tightening of all connections, checking of alignment for easy moving of breaker, checking of ON/OFF operation with setting of buffer gap adjustment, inspecting the wiring of relays contact travel contact alignments, hard or light setting of breaker greasing of all moving mechanism complete all as specified and as directed. Note : Calibration will be carried out by auth contractor / Tech and test certificate will be kept on record.

S & F in replacement of following spares of RMU complete including required necessary spares :- (a) Replacement of Gum boot of RMU of various capacity

Repair/servicing of compact Sub station including dry type transformer of various capacity with air blower and necessary insulation and VCB 400 A 11 KV mechanism/ calibration of VCB with highly skilled mechanic specialist in electric HT breakers line,by taking out breaker mechanism, decarborizing of all parts using CRC-2-26 spray, checking of all fixed and moving parts, tightening of all nuts & bolts, dressing, cleaning of contacts by using emery paper for fine/smooth contact, tightening of all connections, checking of alignment for easy moving of breaker, checking of ON/OFF operation with setting of buffer gap adjustment, inspecting the wiring of relays contact travel contact alignments, hard or light setting of breaker greasing of all moving mechanism complete all as specified and as directed. Note : Calibration will be carried out by auth contractor / Tech and test certificate will be kept on record.

Supply, Laying, Testing and Commissioning for XLPE insulated , screened PVC bedded , galvanized steel strip or wire armoured , electric power cable (heavy duty) with aluminium conductor 11 KV (E) grade , cross sectional area 95 Sqmm x 3 core confirming to IS-7098 ( Part II ) ( amended upto date ) including jointing and testing complete all as specified and as directed.

Supply, Laying, Testing and Commissioning for XLPE insulated , screened, PVC bedded , galvanized steel strip or wire armoured , electric power cable (heavy duty) with aluminium conductor 11 KV (E) grade , cross sectional area 120 Sqmm x 3 core confirming to IS-7098 ( Part II ) ( amended upto date ) including jointing and testing complete all as specified and as directed.

Material and labour for cable jointing kit for 11 KV (E) grade cable outdoor for straight through cold shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 sqmm to 300 sqmm complete all as specified and as directed. Make : RAYCHEM/M-Seal/Denson

Supply and fix in repair hot moulded FRP looping /Junction box size 280 mmx200 mm for street light poles with locking arrangement and suitable connection for three phase incoming cable 3 phase outgoing cable and single phase connection for light fitting including controlled MCB SP-10 Amps -01 Nos enclosed in thermo plastic in closed shock proof safe IP-65, weather,vermin proof,dust and water proof complete with two no.s cables entry including gland of standard size with suitable size mild steel clamps to fixed on pole complete all as specified and as directed.

Supply and replacement of breather assembly including Silica gel of superior quality for transformers of any types capacity and at various sites complete all as specified and as directed.

Supply and replacement of SF6 gas for RMUS by the trained technician at various sites complete all as specified and as directed