REPAIR / MAINTENANCE / SERVICING OF LT ACBs AND LT SWITCH GEARS, LT PANELS AND CONNECTED ACCESSORIES IN E AND M INSTALLATIONS IN KATARIBAGH, NAY,SFNA,GARUDA AND ALL OTHER AREAS AT NAVAL BASE KOCHI

Amount

Material and labour for general servicing / maintenance of LT ACBs of any make, type installed at various locations by drawing out breaker assembly carefully, disconnecting the electric supply, cleaning the contact points with cleaning solvents recommended by the manufacturer, adjusting/ tightening of fastener /springs etc, lubricating of ON -OFF mechanism and all the moving parts, checking of all electrical connections/tripping device etc. Ensure that all contacts are clean, smooth, and in proper alignment and spring pressures are maintained according to manufacturer’s specifications. on the circuit breaker and the stationary contacts in the cubicle should be cleaned and inspected for overheating, alignment, and broken or weak springs. Coat contact surfaces with contact lubricant to ease mating. Clean all ceramic materials of loose dirt and examine for signs of moisture, make sure the assemblies are clean and dry engage the breaker with supply system and testing for the capacities upto 1250 Amp complete all as directed by the Engineer-in-charge. Note for serial item no. 1 to 3: (i) Cost of the lubrication material, gels, cleaning materials, etc are deemed to be included in the quoted rate (ii) All minor spares below the cost of Rs.250.00 deemed to be included in the quoted rate.

All as per item No.1 here in above, but above 1250 Amp to 2500 Amp capacity ACBs.

All as per item No.1 here in above, but above 2500 Amp to 3200 Amp capacity ACBs.

Material and labour for general servicing /Maintenance of existing LT panel board of any size after necessary shut down of electric supply, Checking the all incoming/out going cable including replacement of unserviceable cable end sockets by sufficient crimping with crimping tools and replacement of nut, bolt, and washers where ever necessary, Providing additional sleeves on the cable where ever necessary, Repairs to unserviceable door hinges including welding works as required, locking arrangements, Removing all dust/dirt, spider web etc from inside the panel by using hot air blower carefully without affecting the internal wiring, Removing the unserviceable burned bus bar sleeves and its supports and replace the same by new one with colour coded. Tightening of all nuts, bolts and washers, tightening of bus bar and testing all as directed by the Engineer-in-Charge. NOTE:-The cost of thimble, nut, bolt, washer, bus bar sleeves and rent for tools shall be deemed to be included in the quoted rate.

Material and labour for general servicing /Maintenance of existing cope boxes of any size inside jetty after necessary shut down of electric supply, Checking the all incoming/outgoing cable including replacement of unserviceable cable end sockets by sufficient crimping with crimping tools and replacement of nut, bolt, and washers where ever necessary, Providing additional sleeves on the cable where ever necessary, Repairs to unserviceable door hinges including welding works as required, locking arrangements, Removing all dust/dirt, spider web etc from inside the panel, Removing the unserviceable burned bus bar sleeves and its supports and replace the same by new one with colour coded, Tightening of all nuts, bolts and washers, tightening of bus bar and testing all as directed by the Engineer-in-Charge. NOTE:-The cost of thimble, nut, bolt, washer, bus bar sleeves and rent for tools shall be deemed to be included in the quoted rate.

Supply and fix under voltage release 240 volt to 440 volt AC, all as specified.

Supply and fix draw out handle for ACB, all as specified.

Supply and fix closing/tripping coil/shunt release upto 415 volt AC, all as specified.

Supply and fix earth fault relay for ACB, all as specified.

Supply and fix door interlock kit suitable for fixed or Draw out ACBs, all as specified.

Supply and fix auxiliary contact block 6/7NO+6/7NC suitable for all rating, all as specified.

Supply and fix fixed and moving arcing contacts set per pole upto capacity 2000 Amp ACB, all as specified.

Supply and fix main isolating contacts (Jaw contact) per pole upto 2000 Amp ACB, all as specified.

Supply and fix SS enclosure with louvers with provision to mount MCCB upto 250 Amps, 50 kA suitable for wall mounting all as specified and directed.

Supply and fix CRCA sheet steel powder coated with provision to mount MCB enclosure 6 way suitable for wall mounting all as specified and directed.

Supply and fix CTs of capacity 400A/630A/800A for terminal over load relay for ACB, all as specified.

Supply and fix CTs of capacity 1000A for terminal over load relay for ACB, all as specified.

Supply and fix CTs of capacity 1600A for terminal over load relay for ACB, all as specified.

Supply and fix only spring charged indication switch for ACB all as specified.

Supply and fix Key Interlock (Consisting of 2-Key Locks with 1 Key (same No.) fitted on 2 ACBs) all as specified.

Supply and fix arc chute for ACB per pole upto 2000 Amp all as specified.

Supply and fix spring charging motor for ACB 220 V AC all as specified.

Supply and fix control relay for spring charging motor for ACB 220 V AC all as specified.

Supply and fix micro switch for motor cut off for ACB all as specified.

Supply and fix manual charging handle for ACB all as specified.

Supply and fix draw out telescopic rail left or right for ACB all as specified

Supply & Fix MCB FP 40 Amp, C-Curve, 10kA, 230 volt AC including taking down old unserviceable items, all as specified and directed

supply & fix Isolator, 40 Amp, 4 pole, 415 volt AC including taking down old one, all as specified and directed

Supply & Fix HRC fuse 2 to 16 Amps, size F1, including taking down old one, all as specified.

Supply & Fix fuse holder suitable for bolted fuse link of 20 Amp, HD 20 B type including taking down old one, all as specified.

Supply only LED indicator lamp (RED, YELLOW, GREEN).

Supply only LED indicator lamp (AMBER, BLUE) .

Supply & Fix Spreader terminals 3 pole suitable for 400 Amp MCCBs including taking down of old one, all as specified.

Supply & Fix Spreader terminals 3 pole suitable for 630 Amp MCCBs (set of 6) including taking down of old one, all as specified.

Supply and laying or passing through duct/ GI pipe or fixing on wall XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable, heavy duty with aluminium conductor, 1100 Volt grade of size 3.5 core 185 sq mm with suitable size thimbles including taking down old one, all as specified.

Supply and laying or passing through duct/ GI pipe or fixing on wall XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable, heavy duty with aluminium conductor, 1100 Volt grade of size 3.5 core 300 sq mm with suitable size thimbles including taking down old one, all as specified.

Supply and fix in repair cubicle type, totally enclosed, Outdoor type (CPRI Approved vendor IP65), floor mounted, fully stainless steel built cope box fabricated in compartmentalized design made out of 2.0 mm thick stainless steel sheet of 316 Grade, suitable for operation on 415 V, 3 phase , 4 wire, 50 Hz AC supply, 1200A Copper bus bars of high conductivity, DMC/SMC bus bar supports with bottom base channel of size 750mm x 500mm x 350mm in utility duct of south jetty all as specified and directed.

Cutting existing concrete/metal/ bituminous road/PCC hard standing or tile walk way any type n.exc 45 cm width and n.exc 20 cm in depth in hard strata and making good disturbed surfaces, matching with PCC(1:4:8) type D2 using 40mm graded stone aggregate including disposal of surplus material to a distance n.exc 50 m, all as directed.

Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth and getting out in soft / loose soil for laying of cable all as specified and directed.

Returning filling in including, spreading, leveling, watering and well ramming in layers not exceeding 25 cm in soil , all as specified and directed.

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

Material and labour, filling river sand as cushioning for underground cables, all as specified and as directed.

Supply and laying un-reinforced precast concrete cable cover of class LV, type - 1, flat , size 250 mm X 150 mm X 40 mm laid in trenches for protection of cable all as specified and directed .

Material & Labour for painting to LT panel/LT Feeder Pillar box with two coats of synthetic enamel paint or aluminium paint by using spray paint machine after removing the electric supply, then thoroughly cleaning the surface to remove dirt, grease, oil and preparation of old painted surfaces, etc, Making the surface ready to paint including marking/ writing incomer/outgoing feeders name and connection of the electric supply, all as specified and as directed.

Material & Labour 100 mm bore steel tubes, "light grade” galvanised with all fittings, laid in trenches or fixing on wall/roof/floor, including taking down old one, all as specified and as directed.

Material & Labour 80 mm bore steel tubes, "light grade” galvanised with all fittings, laid in trenches or fixing on wall/roof/floor, including taking down old one, complete all as specified and as directed.

Supply and fixing MCCB 100 Amp, breaking capacity Icu=Ics=25 kA, three pole, 415 volt AC with thermal release range 80 - 100 Amp with spreader complete all as specified and as directed.

Supply and fixing MCCB 125 Amp, breaking capacity Icu=Ics=25 kA, three pole, 415 volt AC with thermal release range 100 - 125 Amp with spreader complete all as specified and as directed.

Supply and fixing MCCB 160 Amp, breaking capacity Icu=Ics=25 kA, three pole, 415 volt AC with thermal release range 125 - 160 Amp with spreader complete all as specified and as directed.

Supply and fixing MCCB 200 Amp, breaking capacity Icu=Ics=25 kA, three pole, 415 volt AC with thermal release range 160 - 200 Amp with spreader complete all as specified and as directed.

Supply and fixing MCCB 250 Amp, breaking capacity Icu=Ics=25 kA, three pole, 415 volt AC with thermal release range 200 - 250 Amp with spreader complete all as specified and as directed.

Supply and fixing MCCB 400 Amp, breaking capacity Icu=Ics=36 kA, three pole, 415 volt AC with thermal release range 320-400 Amp with spreader complete all as specified and as directed.

Supply and fixing MCCB 630 Amp, breaking capacity Icu=Ics=36 kA, three pole, 415 volt AC with thermal release range 500-630 Amp with spreader complete all as specified and as directed.

Supply and fixing MCCB 100 Amp, breaking capacity Icu=Ics=25 kA, four pole, 415 volt AC with thermal release range 67-100 Amp with spreader complete all as specified and as directed.

Supply and fixing MCCB 160 Amp, breaking capacity Icu=Ics=25 kA, four pole, 415 volt AC with thermal release range 125-160 Amp with spreader complete all as specified and as directed.

Supply and fixing MCCB 200 Amp, breaking capacity Icu=Ics=25 kA, four pole, 415 volt AC with thermal release range 160-200 Amp with spreader complete all as specified and as directed.

Supply and fixing MCCB 250 Amp, breaking capacity Icu=Ics=25 kA, four pole, 415 volt AC with thermal release range 200-250 Amp with spreader complete all as specified and as directed.

Supply and fixing MCCB 400 Amp, breaking capacity Icu=Ics=36 kA, four pole, 415 volt AC with thermal release range 320 - 400 Amp with spreader complete all as specified and as directed.

Supply and fixing MCCB 630 Amp, breaking capacity Icu=Ics=36 kA, four pole, 415 volt AC with thermal release range 500 - 630 Amp and adjustable magnetic with spreader complete all as specified and as directed.

Supply and fix heavy duty industrial Exhaust fan 450 mm sweep, 1400 RPM, four blades ISI marked, metallic, 230 volts, 50 Hz with frame and mounting accessories all as specified and as directed.

Material & Labour for Control wiring along with earth wire with the FR LS insulated copper conductor, multistranded, single core cable of size two run of 4 sq mm and one run of 4 sq mm as earth wire in existing conduit including taking down of old one, all as specified and as directed .

Supply and laying or passing through duct/ GI pipe or fixing on wall LT XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable, heavy duty with aluminium conductor of size 4 core 25 sq mm with suitable size thimbles, glands including taking down old one, all as specified and as directed .

Material & Labour in repair two pole power contactor 25 Amp, type MNX, all as specified and as directed.

Material & Labour in repair digital time switch 12VDC1 C/O Base/DIN 25 ON/ OFF or FMI / Quart Daily, 240 volt AC, all as specified and as directed.

Material & Labour in repair, MCB SP 6 Amp to 32 Amps, "C" Curve, all as specified and as directed.

Supply and laying or passing through duct/ GI pipe or fixing on wall LT XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable, heavy duty with aluminium conductor of size 2 core 10 sq mm with suitable size thimbles, glands including taking down old one, all as specified and as directed .

Materials and labour for earthing complete with galvanised iron earth plate electrode 600 mm x 600 mm x 6 mm thick, buried directly and preferably vertically in ground, earth pit not less than 2.25 Metre deep below ground level with top edge of the plate not less than 1.5 m below ground level connected with galvanised strip of size 32 x 6 mm by means of nuts, bolts, check nuts and washers including welding of each joints made of galvanised iron or steel earthing lead to be protected by galvanised iron pipe 40 mm bore (medium grade) and other end connected to earthing test point or lightening arrestor or main controlling switch as directed including providing funnel with 20mm bore galvanised iron pipe (light grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded stone aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C both ways and suitable handle made of 10mm dia) including necessary earth work in excavation, returning filling and removal of surplus earth upto a distance not exceeding 50 metre etc all as shown on electrical plate No. 3 of MES Schedule Part-I(2009) complete including testing on completion all as specified and as directed.

Supply and fix Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit / pipe or fixed to poles or any other indicated situation for loop earthing etc as required of size 32x6 mm GI strip.

Supply and fixing CT 1000/5 Amp, insulated, class 1.0 complete all as specified and as directed.

Supply and fixing CT 800/5 Amp, insulated, class 1.0 complete all as specified and as directed.

Supply and fixing CT 500/5 Amp, insulated, class 1.0 complete all as specified and as directed.

Supply and fixing CT 400/5 Amp, insulated, class 1.0 complete all as specified and as directed.

Supply and fixing CT 200/5 Amp, insulated, class 1.0 complete all as specified and as directed.

Supply and fixing CT 100/5 Amp, insulated, class 1.0 complete all as specified and as directed.

Material and labour in repair for sub main wiring with 2 runs of 6 Sqmm single core, PVC insulated, unsheathed, multistranded copper conductor FRLS cable 1100 volts grade drawn through and including concealed PVC conduit pipe of medium duty not less than 25 mm dia including necessary PVC conduit specials and one run of 6 Sqmm cable single core PVC insulated, unsheathed, ,1100 Volts grade multistranded copper conductor FRLS cable as earth continuity conductor and connecting with suitable size thimble including cutting the chases etc and making good the disturbed surface to match with the existing complete all as specified and as directed. Note:-Two runs of 6 Sqmm size PVC copper cable, One run of 6 Sqmm size PVC copper cable and one run of PVC conduit shall be measured as one unit length.

Material and labour in repair for sub main wiring with 4 runs of 10 Sqmm single core, PVC insulated, unsheathed, multistranded copper conductor FRLS cable 1100 volts grade drawn through and including concealed PVC conduit pipe of medium duty not less than 32 mm dia including necessary PVC conduit specials and one runs of 10 Sqmm cable single core PVC insulated, unsheathed ,1100 Volts grade multistranded copper conductor FRLS cable as earth continuity conductor and connecting with suitable size thimble including cutting the chases etc and making good the disturbed surface to match with the existing complete all as directed. Note:-Four runs of 10 Sqmm size PVC copper cable, one runs of 10 Sqmm size PVC copper cable and one run of PVC conduit shall be measured as one unit length.

Supply and fixing in repair sub main wiring with 2 x 2.5 Sqmm FR PVC insulated copper conductor along with 1 x 2.5 Sqmm PVC insulated copper conductor as earth continuity conductor in existing PVC Conduit complete all as specified and as directed.

Supply and fixing in replacement and testing of LED street light of 45W capacity made up of pressure die cast housing and high power LEDs as light source and lens embedded PC cover with IP 66 complete all as specified and as directed.

Supply and fixing in replacement and testing of LED high bay luminaries of 120W capacity integral driver, frame, toughened glass & IP 65 including mounting bracket of suitable size with necessary civil work and copper wire of suitable size for making electric connection all as specified and directed

Supply and fix sheet metal enclosure TPN for DB's when MCB's to be used 12 way with 200 amps bus bar and double door complete all as specified and directed.

Supply and fix MCB FP 63 Amps,440 Volts,10 KA 'C' series with all incoming/outgoing connections with proper size of lugs complete all as specified and directed.

Supply and fix MCB DP 40 Amps,240 Volts,10 KA 'C' series with all incoming/outgoing connections with proper size of lugs complete all as specified and directed.

Supply and fix 5mm thick plain or chequered Mild steel plates, Fe-410- W(Grade- E-250) quality-B or over in thickness in available sizes complete all as specified and directed.

Supply and fix plain channels/angles/bars square cut or notched Fe-410- W(Grade-E-250)quality-B (ordinary and counter sunk) forming holes, without any attachment complete all as specified and directed.

NOTES : (i) Height of the indoor panels are restricted to the height of the door at the substation. Contractor shall visit the site before fabricate the LT panel, any alteration if need there after to fix the panel will be carried out by the contractor at his own risk (ii) Incomer MCCB terminal should be extended to accommodate 2 Runs of 240 sqmm cable. INCOMING : (a) MCCB, 4 pole, 630 Amp, 36 kA, adjustable thermal and adjustable magnetic, 415 volt AC at 50 Hz = 01 No OUTGOING : (a) MCCB 400 Amp, 36 kA, with adjustable thermal release, 4 pole, conform to IS/IEC 60947-2 & IEC 60947-2 = Each 02, (b) MCCB 200 Amp, 36 kA, with adjustable thermal release, 4 pole, conform to IS/IEC 60947-2 & IEC 60947-2 = Each 06.

NOTES: (i) Height of the indoor panels are restricted to the height of the door at the substation. Contractor shall visit the site before fabricate the LT panel, any alteration if need thereafter to fix the panel will be carried out by the contractor at his own risk (ii) Incomer MCCB terminal should be extended to accommodate 2 Runs of 240 sqmm cable. INCOMING : (a) MCCB, 4 pole, 630 Amp, 36 kA, adjustable thermal and adjustable magnetic, 415 volt AC at 50 Hz = 01 No OUTGOING : (a) MCCB 400 Amp, 36 kA, with adjustable thermal release, 4 pole, conform to IS/IEC 60947-2 & IEC 60947-2 = Each 04, (b) MCCB 200 Amp, 36 kA, with adjustable thermal release, 4 pole, conform to IS/IEC 60947-2 & IEC 60947-2 = Each 04.

Supply and fix in repair ACB, 3 pole, fixed type, 630 Amp, 50 kA, microprocessor release, 415 volt AC at 50 Hz with inbuilt 2NO+2NC aux contact including any alternation works in the Panel for fixing ACB all specified and as directed.

Supply and fix thermal magnetic release for ACB, all as specified

Supply and fix microprocessor based release with earth fault, over current and shirt circuit protection with time settings for ACB, all as specified

Supply and fix three phase over current and earth fault relay 5A with high set having IDMT and definite time characteristics, 240 V AC auxiliary supply including necessary cutting/alteration in panel board all as specified and as directed

Amount of Credit Schedule shall be deducted to arrive the Contract Sum.

Aziz Traders

Green Ray Enterprises