8602 Repair Maintenance DG sets of various capacities in various technical bldgns and other misc fire fighting, water treatment plant and allied works at DRDL Kalinga under AGE I R n D NSTL Visakhapatnam

Amount

M&L for carrying out general servicing and repairs to Engine of DG set of capacity 725 KVA of Make: Caterpillar (Model : 3412 DITA GP 3) including servicing of water pump, replacement of unserviceable spares, carrying out 'B' Check as per manufacturer's recommendations including replacement of oil filters, diesel filters with 'O' rings, Engine Oil and toping up of coolant up to required level complete all as specified and as directed. Notes : (a) Supply only Engine Oil and coolant shall be measured and paid separetely. (b) Rate quoted is inclusive of Secondary Diesel fillter Cat Part No 1R0749 - 02 Nos, Primary Diesel fillter Cat Part No 81531064 - 01 Nos, O rings (Gasket) Cat No 81526106 - 01 Nos and Oil filter Cat No 1R1808-02 Nos of Make: Caterpillar. (c) All the spares require replacement during servicing shall be measured and paid separately as 'Supply only' (d) Servicing of Radiator & self starter shall be measured and paid separately

All as per item No 1 herein before but for 300 KVA of Make: Greaves Ltd (Model No TBD 2 V12 MK-1)

All as per item No 1 herein before but for DG set of capacity 100 KVA of Make: Greaves (Model : 4YDC MK 3 Trolly mounted)

All as per item No 1 herein before but of DG set of capacity 180 KVA of Make: Cummins (Model : QSB-6.7 G14)

M&L for repair of radiator of DG set 750 KVA (Make - Caterpilar) after fixed in original position and testing for leaks at inter connectors/couplers/flexible connectors/flexi clamps and all as directed by Engineer-in-Charge

Disconnecting the radiator intercooler of DG set 750 KVA of Make Caterpilar from inlet/outlet hose, dismantling the complete assembly of radiator, cleaning the upper and lower tank of radiator intercooler by opening the tanks, checking and removing the deposited dust and cleaning the fines with forced water and cleaning agent, testing for leaks at inter connectors/couplers/flexible connectors/flexi clamps and making necessary repairs to arrest leakages of coolant all as directed by Engineer-in-Charge

All as per item above before but DG set 300 KVA,

All as per item above before but DG set 100 KVA to 180 KVA,

Supply and installation in replacement lead acid battery 12 V 180Ah complete (Initially charged) and connected to DG sets complete all as directed [Make: Exide/ SF/ Amaron]

Supply only Engine oil grade 15 W 40 . (Make: Servo/Valvoline/Castrol)

Supply only K-cool super plus engine coolant in 5 ltrs sealed packing ,Make k -cool.

M&L for carrying out repairs/servicing of starter solenoid switch capacity 12/24 Volt connected to the DG set of various capacity including replacement of defective parts, rewinding of coil complete all as specified and as directed.

M&L for carrying out repairs to self starter 24V/12V by replacement of carbon brushes, solenoid, bearings and reassembling the same and testing complete all as specified and as directed

M&L for carrying out repairs to 12/24 volts Alternator/dynamo by replacement of carbon brushes, electronic regulator/ rectifies, bearings reassembling the same and testing complete all as directed

M&L for complete checking the controller of DG set 750 KVA, 3 phase 440 Volts along with wiring, checking and rectifying the defects, rectifying the set complete with all sensors and protections and making the DG set operational for switching ON and Off through controller with safety features all as directed.

M&L for complete replacement of fuel hoses for DG set upto 300KVA, complete with all accessories, O rings and connectors all as directed.

Supply and replace V belts for radiator fan/ main shaft/ cam shaft for the DG set of capacity 100 KVA-300KVa as per existing size and model complete all as directed

Supply and replace V belts for radiator fan/ main shaft/ cam shaft for the DG set of capacity 750 KVA as per existing size and model complete all as directed.

Material and labour for replacement of battery laid set of two suitable for upto 180 AH capacity, 1.5 Mtr long including brass terminal one end ,copper lug other end complete all as specified and directed by Engr-in-charge.

Servicing/overhauling of injecter nozzle assembly including replacement of nozzles, washers, etc and pressure setting as required and replacement of timing shaft with coupling all as directed by Engr-in-Charge for DG Set 100 KVA. to 750 KVA.

Supply and replacement of radiator Fan assembly complete Set 300 KVA DG set. Make as per sample

M & L in replacement of Earthing complete with copper earth electrode 60Cm x 60Cm x 3.15 mm thick directly burried in ground ( eath pit not less than 2.25 M deep below the normal ground level conneceted to copper earth strip 20x3mm dia by means of bolts, nuts, check nuts and washers of brass including necessery excavation earth work PCC chamber CI chamber cover protection pipe watering pipe etc. (Complete all as shown in electrical plate No 3) and conected to earthing test point complete including funnel watering and protection pipe etc complete all as specified and directed and testing on completion. Note :- If the desired earth resistance is not found, earthing shall be redone by the contractor without extra cost to the department.

Disconnecting the existng RO plant of 1000 LPH and servicing/ overhauling to the complete RO plant with replacement of following parts (a) Old unserviceable RO membranes of suitable size -5 Nos (b) antiscatant doser of flow rate of 108 LPH - 01 Nos (c) Sand filler element of flow rate 2000 LPH with head 35 m - 02 Nos (d) Activeted corbon fillter element flow rate 200 LPH - 02 Nos (e) instrumental panel (f) Flow metre - 02 Nos with new one of existing make and applying two coat of synthetic enamel paint over a coat of red oxide primer externally of RO Plant pipe of size 40/50 mm dia of bore including scraping existing treatment complete all as specified and as directed by Engr-in-charge.

Rewinding of motor with copper wire of suitable gauge with insulation after removing the old unservicable winding wire and insulated material, cleaning of stator slots and making good for winding all insulating material for motor of capacity 3 to 5 HP

S&F GI tubing medium grade 80mm dia bore with all fittings such as bends, sockets, elbows, tees, reducers, unions, sockets complete laid in trenches/floors or fixed to walls complete all as specified . (Make: Jindal/Prakash/Tata/Zenith)

All as per item No 8 herein before but for 50mm bore dia pipe

Taking up of unservicable gun metal valves of dia 50mm size, S&F new gun metal gate valve of 50mm dia bore(class-I, 1.5 Mpa) with ISI mark and iron wheel head, screwed both ends to GI pipes. (Make: Leader/Zoloto/Mittal/Neta)

Taking up of unservicable gun metal valves of dia 25mm, S&F new gun metal gate valve of 25mm dia bore(class-I, 1.5 Mpa) with ISI mark and iron wheel head, screwed both ends to GI pipes. (Make: Leader/Zoloto/Mittal/Neta)

M&L for fire hydrant valve single headed of 63 mm dia including taking down of unserviceable eisting fire hydrant valve, complete all as specified and directed by Engr-in-charge

Supply and fix Butterfly valve 100 mm dia including taking down u/s existing butterfly valve complete all as specified and directed.

M&L for fire hydrant valve Double headed of 63 mm dia including taking down of unserviceable eisting fire hydrant valve, complete all as specified and directed by Engr-in-charge

Rapair and Maintenance for hose box made of 18 gauge MS sheet 800mmx600mmx250mm with double door with 4 mm thick glasses and door frame made of 16 gauge MS sheet painted fire red outside and brilliant white insideyard complete all as specified and as directed by Engr-in-charge.

M&L for applying two coat of synthetic enamel (fire red) paint over a coat of red oxide primer externally of fire hydrant post pipe of size 80/100 mm dia of bore including scraping existing treatment complete all as specified and as directed by Engr-in-charge.

Supply and fixing in replacement hose reel 15 mtrs all as specified and as directed by the Engineer-in-Charge.

M/S SURENDRA ENGINEERING WORKS (BID ID -3321659)

suresh electricals (BID ID -3314910)

SREE GAYATRI INFRA (BID ID -3318432)

LAKSHMI SAI CONSTRUCTIONS (BID ID -3321499)