REPAIRS MAINTENANCES OF DG SETS FIRE ALARM DETECTION SYSTEMS LT PANELS UG CABLES AMF PANELS AND CONNECTED EM WORKS UNDER AGE EM II OF GE NW VASCO

Amount

Dismantling the defective / burnt alternator of any capacity from the existing foundation and from Engine after removing all electrical connections, transporting to local workshop, opening and taking out burnt alternator stator winding, cleaning and then rewinding the stator assembly complete with super enameled copper wire as per existing original gauge of manufacturer and applying insulting varnishing of F class, baking in oven re-assembling the alternator, transporting back to site to its original position for re-installing the sae in position, carrying out ligament of complete DG set connecting up all electrical connections testing and commissioning complete. Note :- (a) Rate quoted shall be deemed to be inclusive of making good the disturbed surfaces, (b) The DG set shall be tested on available connected load for 4 hours at site upto the satisfaction of Engineer-in-Charge to achieve designed parameters and DHPP (N) shall be issued by department free for testing.

Service Charges for carrying out the 'B' Check maint from authorised rep or service engineer of the manufacturer of DG set of Engine Crompton Greaves/ Kirloskar-KOEL/ Cummins of follwing capacity engines including checking of air filter, checking of vibration damper, checking turbocharger, oil leakage, tightening mounting screws & nuts, replacement of fuel and oil filters, checking inlet & exhaust mainifold capscrews, checking of fan hub & water pump, topping up the level of existing engine oil or replacement of engine oil if reuired, coolant top up all as specified and directed. Note:- (a) Engine oil & Coolant top will be measured and paid seperately for the Engine as supply only items. (b) 'B' checks shall be carried out on running of 500 Hrs or 6 months whichever is earlier. (c) If air filter found unserviceable, shall be measured and paid seperately.

(i) DG set 200 KVA at NOFRA & NUWR Pump House- 02 Nos

(ii) DG set 125 KVA at NOFRA Pump House & P-404 -02 Nos

(iii) DG set 100 KVA at Mangoor & Varunapuri Pump House -02 Nos

(iv) DG set 82.50 KVA at NUWR & BMF pump house- 02 Nos

(v) DG set 320 KVA at Keerti Enclave MAP PH II Pump house & VAT site -02 Nos

(vi) DG set 25 KVA at Sewage Pump House & DCRA Pump House -02 Nos

(vii) DG set 20 KVA at New leading Pump house -01 Nos

Replacement after draining out old engine oil and refilling new Engine Oil for DG set of any capacity complete all as directed and specified by Engineer-in-Charge.

Refilling /topping up new collant for different capacity of DG sets complete all as specified and direced by Engineer-in-Charge.

Refilling and topping up new distilled water with suitable mix of electrolyte in the batteries at various location of different capacity of DG set batteries.

S & F in repairs air filter both inner and outer for 100 - 125- 320 KVA Capacity DG set (Make of DG set - Crompton Greaves/Kirloskar-KOEl/ Cummins) all as specified & directed by Engineer-in-Charge.

S & F in repairs air filter both inner and outer for 20-25-82.50 KVA Capacity DG set (Make of DG set - Crompton Greaves/Kirloskar-KOEl/ Cummins) all as specified & directed by Engineer In Charge.

Repair & overhauling of FIP of 20 to 320 KVA Capacity DG Set by taking out carefully and refixing after calibration at authosrised service centre/dealer including replacement of unserviceable worn out parts. Note:- Unservicieable major parts required for replacement shall be measured & paid seperately.

Supply of follwing parts for serial item No:- 8 here in before. (a) Gasket set

(b) Plunger

(c) Main Shaft

(d) Techno Shaft

Supply and fixing in repairs rectifiers diode for 20 to 320 KVA DG sets suitable for DG sets Make of Crompton Greaves/Kirloskar-KOEL/Cummins

Dismantling the old and unserviceable DG Set rubber hose pipe upto 2" dia and replacing the same with the existing size and equal length of any DG Set including both side hose clamp etc all as specified and directed.

S & Fix solenoid swtich 3 phase 415 Volt (20 to 320 KVA) complete set as per existing size and make of any Capacity DG set all ass directed.

Repair & overhauling of governor assembly of any capacity/Make DG set by replacing all worn out springs, nuts bolts gear , sleeves, rotary ballss etc and then proper calibration for proper functioning from authorised service centre /dealercomplete all as specified and directed by Engineer-in-Charge.

S & F AVR suitable for any capacity DG set as in repair complete all as specified & directed by Engineer-in-Charge.

Supply & fixing copper cable Multistranded suitable for 12/24 volts battery terminals , replacing the same with of existing size and equal length complete fixing with brass clamp at both ends including taking down of old one from the existing battery.

Repair to self starter 12 Volts by taking out old burnt out copper winding and rewinding with super enammelled copper wire same gauge including replacement of U/s pinion , bush,solenoid coil, carbon brushes 7 tension spring complete in commisioning and testing all as specified & directed by Engineer-in Charge.

All as per item No:- 16 here in before but of 24 volts all as specified & directed by Engineer-in-Charge.

Servicing of self starter of any capacity and voltage including dismantling the starter from engine opening by removing end covers, armature , field coil, gear arrangeent etc, replacing worn out nut bolt , gear wheel, checking and greasing all moving parts, reassembling complete and fixing back to its original position at site and testing complete

S & F dynamo of 12 Volts for charging of battery as in repair complete all as specified & directed by Engineer-in-Charge.

S & F dynamo of 24 Volts for charging of battery as in repair complete all as specified & directed by Engineer-in-Charge.

Removing dynamo 12/24 Volts from DG set and transporting to local worlshop , opening dynamo, assembly, rewinding the burnt armature coil with super enamelled copper wire of same gauge, reassembling and transporting back to site fixing and testing all as directed.

Supply and fixing asbestos rope of 16/20 mm dia for silencer and with applying plaster of paris for any capacity DG Set as in repair complete all as specified & directed by Engineer-in-Charge.

S & F in repair fan belt suitable for 20 to 100 KVA DG Set as per existing model and size including dismantling the old one.

S & F in repair fan belt suitable for 125 to 320 KVA DG Set as per existing model and size including dismantling the old one.

S & F in repairs panel mounting battery charger connected to panel of DG set with input voltage of 230 Volt and out put voltage 12 V DC hving Charging Voltage 13.5 Volt and option like boost /tickle/float and fuse protection including necessary wiring required for connection all as specified 7 directed.

M & L connecting and commisioning lead acid battery 12 Volt 150 AH

M & L connecting and commisioning lead acid battery 12 Volt 180 AH

Supply & fixing in repairs battery terminals brass type suitable for any capacity battery all as specified & directed by Enginner-in-Charge.

Dismantling the old unserviceable DG set diesel/oil prssure pipe of existing size and replacing the same with of existing size and equal length of any capacity DG set including both side hose clamp etc as directed.

Cleaning of fuel tank of DG set of capacities 20 to 320 KVA any size capacity including draining out existing fuel, removing any foreign particles or sediments including checking of leak proof if found rectifying the same by necessary welding fabricating with sheet metal, matching with existing tank outer body , preparation of surface for painting with one coat of black synthetic enamel paint over a coat of red oxide primer and refilling the same as specified and direceted by Engineer-in- Charge.

S & F in repair/replacement of harness wiring control wiring for 20 to 320 KVA DG set capacity for engine replacement of accessories of panel, relays, meter, toggle swtich etc all as specified and directed.

S & F low lube oil level pressure cut off device suitable for diesel engine all as specified and directed by Engineer-in-Charge.

S & F Oil pressure gauge 0-7 Kg/Cm as in repair complete all as specified and directed by Engineer-in-Charge.

S & F Oil temperature gauge 40 C to 130 C as in repair complete all as specified and directed by Engineer-in-Charge.

S & F water temperature safety control swtich as in repair complete all as specified & directed by Engineer-in-Charge.

S & F water temperature meter 40 C to 105 C as in repair complete all as specified & directed by Engineer-in-Charge.

S & F Ampere meter 30-0-30 DC as in repair complete all as specified and directed by Engineer-in-Charge.

S & F in repairs bellow for 82.50 to 320 KVA DG set fixed in exhaust pipe of DG set along with connected accessories like rubber sheet , nuts, bolts all as specified & directed.

M&L for earthing with steel earth plate electrode of size 60x60cmx6mm thick buried directly in ground to a depth not less than 2.25 mtr deep below normal ground level with top edge of the earth plate not less than 1.5 mtr deep below normal ground level connected to galvanized iron strip of size 32x6mm as earthing lead by means of nuts, bolts and washers of steel after welding of GI strip to earth electrode to the full lenght of earth plate,40mm dia GI tubing light grade protection pipe upto test point, 20mm dia GI watering pipe with funnel and wire mesh, PCC pit 1:3:6 with pit cover of size 30X30cm made of RCC 1:3:6 with suitable handle,angle iron frame made of angle iron of size 40x40x4mm, adequate qty of charcoal dust and salt layers all around the earth plate and filling of vegetable soil to the remaining 10%,removal of surplus soil and returning filling in all as required at site including test point made out of steel plate of size 75x75x6mm fixed to wall all as specified in plate No 3 of SSR Part-I and directed by Engr-In-Charge.

S & F in repairs onload change over swtich 400 Amps 4 pole in without enclosure including necessary fixing arrangement in any description allas specified & directed by Engineer-in Charge.

S & F in repairs onload change over swtich 200 Amps 4 pole in without enclosure including necessary fixing arrangement in any description allas specified & directed by Engineer-in Charge.

Checking DG set of Capacity 20 To 320 KVA for any type of defects occurred in AMF panel/Control panel/ Starter / Engine / Alternator etc installed at various locations at SMA Varunapuri, DCRA, NOFRA Pump House, NUWR. And carry out necessary repairs in order to keep DG set serviceable at all time. Note:- (a) Minor items like worn out nut & bolts, Cable lugs etc shall be deemed to be included in the unit rate quoted., (b) Material required will be measured and paid under relvant items if required (c) Equipments/testing meters required for detecting faults shall be provided by the contractor.

S & F in repairs power contactor 4 pole 415 V, AC 1 Current rating of 32 Amps suitable for AMF panel complete all as specified and as directed.

S & F in repairs power contactor 4 pole 415 V, AC 1 Current rating of 130 Amps suitable for AMF panel complete all as specified and as directed.

M & L replacemeent of silencer in repair of 82.5 KVA DG Set canopy type at NUWR & BMF pump house.

M & L for replacement repair of malfunctional deep sea or digital type display mounted on DG mini panel suitable for DG set showing the multiple digital parameters such as hour run, AMP, Voltage, Oil Level, Coolant level, temperature etc as per Kirloskar KOEL Norms with requisite basic computerised initial inputs programmed to run the DG set on Auto/Manual method all as directed & specified by Engineer-in-Charge.

M & L replacement of fuel caps with proper lock and key for various DG capacities as per site make & samples all as specified & directed by Engineer-In-Charge.

Supply of metallic empty barrel (Diesel drum) 210 Ltrs Capacity for DG installations as per sample.

Excavation in trenches not exc. 1.5 mtr wide and not exc 1.5 mtr in depth for laying under ground cable and getting out in hard/dense soil complete all as specified

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

Removal of surplus soil excavated material to a distance not exceeding 50 mtr & deposited where directed at a level not exceeding 1.5 mtr above the starting point all as directed.

Supply & Laying PCC cable cover LV type 1 250 x 150 x 40 MM size for cable protection flat type ISI marked all as speicfied and as directed by Engineer-in-Charge.

Sand cushioning to under ground cable with a layer of sand 8 cm deep before laying & 15 cm after laying.

M & L for XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 Volts grade, cross sectional area 25 Sqmm 3.5 core.

Supply and fixing of moulded case circuit breaker part No:- NSX250F, COMPACT NSX TYPE 3 PHASE 250 AMP, 690 Volt AIC rating – 36 KA @ 415 V complete all as specified

M & L for sub main wiring with 6 Sqmm nominal cross sectional area, two single core, 1100 Volts grade, stranded, PVC insulated, unsheathed, copper conductor stranded cable with and including continuous earth wire of size 6.0 Sqmm nominal cross sectional area, single core, PVC insulated, copper conductor stranded cable drawing into and including rigid non metallic PVC casing & caping of 25 mm dia, medium grade with all conduit accessories/ fittings etc and connected to common earth dolly etc in wall, making good to walls etc including two coats of white/ colour washing/ distempering etc to the disturbed surfaces to match the existing complete all as specified & directed.

M & L for installation, testing & commissioning of AMF panel indoor type with angle iron pedestal frame cubical type free standing working on 415 Volt 3 phase 50 Hz AC supply complete with colour coated copper bus bars 600 Amp fully compartmentalised dust proof and vermin proff 2 mm thick CRCA sheet enclosure complete including painting and suitable for IP 52 protections as per specifications and having the follwing details :-

OUTGOING FEEDERS:- (i) MCCB 4 pole with over load current rating of 100 Amp with ultimate breaking capacity at 415 Volt AC 50 Hz of 36 KA with extended rotary handle with microprocessor release with integral over load short circuit earth fault and neutral protection with over load setting of 70 % to 100 % and fixed magnetic setting rated service breaking capacity of 100% of ultimate breaking capacity complete with all standard accessories all as directed -07 Nos, (ii) MCCB 4 pole with over load current rating of 160 Amp and ultimate breaking capacity at 415 Volt AC 50 Hz of 36 KA with extended rotary handle with microprocessor release with integral over load short circuit and earth fault and neutral protection with over load settig of 70% to 100% and fixed magnetic setting rated service breaking capacity of 100% of ultimate breaking capacity complete with all standard accessories all as specified & directed -01 Nos, (iii) MCCB 4 pole with over load current rating of 125 amp and ultimate breaking capacity at 415 Volt AC 50 Hz of 16 KA with thermal magnetic release and with integral overload short circuit , earth fault and neutral protection with over load setting of 70 % to 100 % and fixed magnetic setting rated service breaking capacity of 100% of ultimate breaking capacity complete with all standard accessories all as directed -01 Nos, (iv) MCB 16 A DP 10 KA -02 Nos, (v) Indication lamps RYB with 3 Nos of 2 A HRC fuses -10 sets, (vi) Bottom gland plate for incoming & outgoing cable.

M & L installing, testing and commissioning of main panel of 15 Zones for fire alarm system with suitable sounder cards and fault isolaters mounted at security room having facilities of fire indications. The panel wall maounted cabinet shall be made out of 16 SWG CRCA sheets as per is: 2189. The main Control panel should have provision of battery and have the arrangement for audio/Visual indications by duel lamps for fire & faults in each zone. The panels shall be finished in stove enamel paint of aapproved make, including sealed Nickel- Cadmium maintenance free battery housed in a plastic box with supproting stand & booster /trickle charger, Dc Voltmeter, short circuit ire alarm, push button for lamp test, fire alarm circuits healthy check etc all complete as specified.

M & L for drawing of 2.5 sq mm single core stranded PVC insulated copper conductor cable conforming to IS: 694 (Part-I) including providing and laying rigid steel conduit in recess/surface including terminations and connections etc complete all as specified and directed by Engineer-in-Charge.

M & L for installation , testing and commissioning of conventional type optical smoke detector with mounting base suitable for wall/ ceilling mounted, including allconnections etc complete all as specified and directed by Engineer-in-Charge.

Taking out servo voltage stabilizer of capacity 300 KVA 3 Phase 4 wire AC supply 440 volts for balanced load after disconnecting all electrical connections from main switch, change over switch input/output connection boards etc opening dismantling for pre-inspection and repairing/replacement of worn out parts and testing after re-installation on same foundation. (Parts required for replacement shall be measured and paid for separately in the relevant items herein after).

Taking out burnt winding with allied insulating materials of transformer including material and labour for rewinding of main transformer of stabilizer 300 KVA capacity with super enamelled copper winding wire of appropriate gauge and number of turns alongwith insulating materials e.g. leatheriest paper insulations, cotton tapes etc varnishing with air drying insulation varnish, and heating drying, cleaning of rusts, carbon deposit including transporting to civil workshop and after repair bring it back to its original location as earlier installed etc complete all as directed by Engineer-in-Charge.

Replacement of dimmer coil of stabilizer of 300 KVA capacity with super enameled copper winding wire of appropriate gauge as per existing pattern alongwith insulating material and made the surface for suitable contact with carbon bush complete after removing existing burnt dimmer coil and cleaning complete all as directed by Engineer-in-Charge.

Supply and replacement of carbon brush with holder for voltage stabilizer 300 KVA capacity 3 Phase for balance load complete.

Supply and replacement of limit switch to control the Up and down variation of voltage at correct ratio on secondary side complete.

Supply and replacement of auxiliary (Pulse) transformer heavy duty suitable with the load and voltage variation for low and high voltage variation complete.

Supply and replacement of indicator lamp of any colour with neon lamp showing the different phases of the stabilizer complete.

Supply and replacement of push button switch heavy duty of any colour for raising and lowering the voltage manually complete.

Supply and replacement of sensing control switch to control the voltage variation at upper and lower limit complete.

Supply and replacement of bakelite electroplated thickness exceeding 10mm provided with desired shape and size drilled holes and fixing of phase terminal complete

Supply and replacement of brass studs with nuts and washers of different sizes all as required.

Supply and replacement of copper thimbles suitable for cable of any size and crimped with crimping tool on termination end of cables.

Supply and filling of new transformer oil confirming to IS-335 and dielectric strength not less than 60KV.

Filtration, dehydration of insulating transformer oil to obtain the minimum dielectric strength not less than 30 KV.

Supply and replacement of Servo primover heavy duty of capacity 10 leg/CM2 torque 240 volts step system 60 RPM single phase 50HZ reversible with SDOT switch complete.

M&L Wiring of measuring instrument on stabilizer with appropriate PVC insulated copper conductor cables and testing on completion.

Painting to voltage stabilizer with spray painting one coat with synthetic enameled paint of approved colour after making the surface clean by scratching or removing by burning of old paint complete.

S & Fix of MCCB 3 pole, 415 V, fixed type 400 Amps breaking capacity 36 KA complete all as directed & specified by Engineer-in-Charge.

S & Fix of MCCB 3 pole, 415 V, fixed type 250 Amps breaking capacity 36 KA complete all as directed & specified by Engineer-in-Charge.

S & Fix of MCCB 3 /4 pole, 415 V, fixed type 630 Amps breaking capacity 36 KA complete all as directed & specified by Engineer-in-Charge.

Weather proof L-T switch copper bus bar panel of 400 Amps in steel box of 3 phase 01 neutral size including making foundation on ground or fixing on wall complete all as specified and directed by Engr-in-charge.

Taking out oold UNSV burnt AMF relay /controller input Voltage 230 VAC digital display typefrequency 50 HZ automatic, manuaal & semi auto matic complete all as specified and directed by Engr-in-Charge.

OM SAI ELECTRICALS

M/s Gayatri Contruction Co.

star freeze service

D.K. ENTERPRISES

Bharat Sales Corporation

K M SUBHANAIAH

KIRAN TRADERS