8379 REPAIRS/MAINTENANCE OF LT SERVICES AND ALLIED WORKS FOR TECHNICAL BUILDINGS AT KATTABOMMAN UNDER GE TIRUNELVELI

Amount

Excavation in trenches n.exc 1.5 M wide and n. exc 1.5 M depth and getting out in hard/dense soil for removing / taking out burnt cables complete all specified and as directed.

Returning, filling in incl spreading leveling, watering and well ramming in layers n.exc.25cm thick complete all specified and as directed.

Removing excavated material to a distance n.exc 50 M and depositing where directed at a level n.exc 1.5 M above the starting point complete all specified and as directed.

Supply, spreading and compacting of riddled earth obtained from trenches for cable ducts / trenches for cable cushion on both top and bottom of cable, including ramming complete all specified and as directed. (Note :- Punned thickness only will be measured)

Supply and lay burnt bricks of old size sub-class B for cable protection complete all specified and as directed.

Testing and taking out old unserviceable Moulded Case Circuit Breakers in the existing feeder pillar box including and replacement with new MCCB and connecting the incoming and out going cables by using suitable cable glands and jumpers/cable with the bus bar of following capacity in the existing feeder Pillar box with new bolts complete as specified and directed by Engr-in-Charge.

(a) MCCB 4 pole 800 Amps 50 KA. Make L&T Cat No-CM96111OOOOX1

(b) MCCB 4 pole 630 Amps 50 KA Make L&T Cat No-CM93008OOOOX1

(c) MCCB 4 pole 250 Amps 36 KA. Make L&T Cat No-CM93003OOOOX1

(d) MCCB 4 pole 200 Amps 36 KA. Make L&T Cat No-CM93003OOOOX1

(e) MCCB 4 pole 160 Amps 25 KA Make L&T Cat No-CM90642OOMO

(f) MCCB 4 pole 125 Amps 25 KA Make L&T Cat No-CM90642OOMO

(g) MCCB 4 pole 100 Amps 25 KA Make L&T Cat No-CM91712OOKOOG

Testing and taking out old unserviceable Miniature Circuit Breakers in the existing feeder pillar box including and replacement with new MCB and connecting the incoming and out going cables by using suitable cable lugs and connector with the bus bar of following capacity in the existing feeder Pillar box with new bolts complete as specified and directed by Engr-in-Charge.

(a) MCB 4P, 32 Amp, 10 KA, 'C' Series Make L&T Cat No-BB40320C

(b) MCB 4P, 63 Amp, 10 KA, 'C' Series Make L&T Cat No-BB40630C

(c) MCB TP, 32 Amp, 10 KA, 'C' Series Make L&T Cat No-BB30320C

(d) MCB 4P, 80 Amp, 15 KA, 'C' Series Make L&T Cat No-AU15S40803C

(e) MCB 4P, 40 Amp, 10 KA, 'C' Series Make L&T Cat No-BB40400C

(f) MCB DP, 40 Amp, 10 KA, 'C' Series Make L&T Cat No-BB20400C

(g) MCB DP, 32 Amp, 10 KA, 'C' Series Make L&T Cat No-BB20320C

(h) MCB 4P, 16 Amp, 10 KA, 'C' Series Make L&T Cat No-BB40160C

(j) MCB SP, 6-32 Amp, 10 KA, 'C' Series Make L&T or equivalent

Material and labour for opening the cover of LT Panel, checking for tightness of all connections/ joints, cleaning dust and dirt from bus bar, checking for ACB 4000/3200/1600/800 A, 440V, 4P, dismantling, checking servicing of fixed and moving contacts, repair and replacement of fixed copper terminal/contacts (male and female ), insulation tubes including other connected items to functional of ACB including panel board , lamp indicators , cleaning the fixed and moving contact inside the ACBs properly , checking of EDO/MDO mechanism, servicing and greasing of all movable mechanism , replacement of defective fuses , wiring, shunt coil, trip coil etc and reassembling and testing and serviceability check complete all as specified and directed by Engineer-in-Charge and manufacturer instructions.

Material and labour for Annual maintenance for checking and servicing of 2 x 30 KVA UPS system, checking battery terminal for tight or replacement, connection cable including other connected items to functional of UPS , lamp indicators ,meters, lubricating battery terminal, replacement of defective fuses , wiring, IGBT card, Control Card, rectifier unit with air exhaust system, capacitor and reassembling and testing and serviceability check, complete all as per the direction of Engineer in Charge and manufacturer instructions. Note: Contractor should submit MOU with OEM service dealer

Checking and servicing of PLC panel including checking for fault and rectification by providing skilled technician, and testing after rectification complete all as specified and directed.

Taking down old unserviceable battery and replacement with new sealed maintenance free lead acid battery12 V, 42 AH including connecting wire and clamps for 30 KVA UPS system complete all as specified and directed by Engr-in-Charge. Make: Exide Model EP-42-12 or equivalent in Amron/ Luminous

Supply and fixing online UPS single phase, AC input voltage 220-240 Volts, 50 Hz, 16 Amp, 1KVA capacity and output voltage 220-240 Volts, 50 Hz, 4.5 Amps including connecting to battery and power supply complete all as specified and directed.

Taking up old unserviceable UG cable and Supply, laying LT UG cable, 1100 volts grade, XLPE insulated and sheathed, armoured, multistranded, heavy duty electric cable with aluminium conductor laid in trenches, ducts, on poles, walls, through pipes etc including identification tags over on cable complete for the following sizes including cable glands on both side terminations where necessary complete all as specified and directed by Engr-in-Charge. Note: Earthwork, excavation, cable cushioning and brick protection shall be measured and paid for seperately uder relevant items.

(a) 4 core 10 Sqmm

(b) 4 core 25 Sqmm

(c) 3.5 core 35 Sqmm

Material and labour for repair to LT panel door with repair/ replacement of hinges, welding, replacement of defective packing/ rubber beading of panel etc.including fabrication if any and making good the disturbed surfaces at site finished with powder coating paint complete all as specified and directed by Engr-in-charge.

Taking down old unserviceable and supply and fix ACB Bezel for 4000 Amp L & T model CN-CS 4000 HO make ACB of suitable size as specified and directed by Engr-in-Charge.

Taking down old unserviceable and supply and fix ACB Bezel for 1600 Amp L & T model CN-CS 1600 S1 make ACB of suitable size as specified and directed by Engr-in-Charge.

Taking down old unserviceable and supply and fix ACB Bezel for 800 Amp L & T model CN-CS 800 S1 make ACB of suitable size as specified and directed by Engr-in-Charge.

Supply and fix in repair interlocking key assembly as specified in ACB complete of existing make and grade/model all as specified and directed.

Supply and fix in repair 230V Control and Power on indication lamp complete of existing make all as specified and directed.

Supply and fix in repair TP 9 Amp contactor, 230 Volts complete of existing make all as specified and directed.

Supply and fix in repair 4 C/O Relay, 24 V complete of existing make all as specified and directed.

Supply and fix in repair 8 channel relay module, 24 V complete of existing make all as specified and directed.

Supply and fix in repair 4 channel relay module, 24 V complete of existing make all as specified and directed.

Supply and fix in repair DC SMPS 6 Amp, 230/24 Volts complete of existing make all as specified and directed.

Supply and fix in repair annunciator 12 window complete of existing make all as specified and directed.

Supply and fix in repair Hooter complete of existing make all as specified and directed.

Supply and fix in repair breaker control switch complete of existing make all as specified and directed.

Supply and fix in repair emergency stop push button complete all as specified and directed.

Supply and fix in repair air exhaler fan mounted on PLC panel of existing make complete all as specified and directed.

Supply and fix in repair spring charging motor for ACB of existing make complete all as specified and directed.

Supply and fix in repair fixed arcing contact for ACB of existing make complete all as specified and directed.

Supply and fix in repair moving arcing contact for ACB of existing make complete all as specified and directed.

Supply and fix in repair under voltage release coil, 240 V for ACB of existing make complete all as specified and directed.

Checking of shunt release coil and repair/ replacement of shunt release coil for ACB as per sample,complete all as specified and directed by Engr-in-Charge.

Supply and fix in repair closing coil, 24 V for ACB of existing make complete all as specified and directed.

Supply and fix in repair side plate assembly with EDO kit for ACB of existing make complete all as specified and directed.

Supply and fix in repair motor limit switch for ACB of existing make complete all as specified and directed.

Supply and fix in repair jaw contact male & female for ACB of existing make complete all as specified and directed.

Supply and fix in repair cradle assembly for ACB of existing make complete all as specified and directed.

Supply and fix Energy meter 3 phase, of accuracy class 1.0, input voltage measurement 50-520 Volt, AC, flush mounting type including taking down old unserviceable complete all as specified and as directed.

Supply and fix Voltmeter 3 phase, of accuracy class 1.0, input voltage measurement 50-520 Volt, AC, flush mounting type including taking down old unserviceable complete all as specified and as directed.

Supply and fix Ammeter 3 phase, of accuracy class 1.0, AC, flush mounting type including taking down old unserviceable complete all as specified and as directed.

Material and labour for maintenance and servicing of resistor LOAD BANK of capacity 2000 KW, checking for preventive maintenance of system, motor operation repair if required including limit switch control, blade condition repair/ replacement if required, checking of SFU unit and fuses replacement of fuses if required, serviceability tightness of fuses and terminal, checking of resistors set, porcelain separator/insulator serviceability and replacement if required, Servicing of ACB and relays, Insulating pad check and repair/replace if required, complete all as specified and directed by Engr-in-Charge.

Material and labour for checking of tightness of LT bushing side by opening cover of LT side transformer, opening cover of main LT Panel and checking for tightness of all bolts by torque wrench, replacement of defective bolts and nuts, checking for bus duct adopter joints and tighten as required complete all as specified and directed by Engr-in-Charge.

Supply and fix in cable route indicator for LT UG cable made out of CI plate of size 200mm dia x 6mm thick marked "UG CABLE MES" connected with MS angle Iron of size 1200mm length 50X6MM with GI nut, bolt and washer MS angle grouted in PCC block 1:3:6 type C1 using 20mm graded stone aggregate of size 500 x600x400 mm including excavation and earth work and painting to steel surfaces with two coats synthetic enamel paint over a coat of red oxide primer complete all as specified and as directed.

Supply and fixing LT bus bar box outdoor type made up of MS sheet 2.0 mm thick of size 600x500x300mm, CPRI approved with supporting angle of size 50x50x6mm, 800 mm long with nut, bolts and washers of suitable size for fixing on ground with PCC 1:3:6 mix, 20mm aggregate for foundation, providing Aluminium bus bar 400mm long and 40x5mm thick, 04 Nos with supporting insulators and colour coded PVC sleeves including necessary bottom plate with hole for entry of cables complete all as specified and directed by Engr-in Charge.

KUMAR AGENCIES

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VVM CONSTRUCTIONS

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