REPAIR AND MAINTENANCE OF HOT WATER PLANTS AND ITS CONNECTED ITEMS AT AF STN AWANTIPURA

Amount

Carrying out servicing/maint of HOT water plant (boiler) unit of output capacity 400000 Kcal/hr HSD/DHPP fired model AMW-01/194 make-equamatic thermax including servicing of all accessories installed at hot water unit like water circulating eclectic driven pumping set of 5HP, 3 phase, Diesel fire unit including descaling of coil panaka inside the hot water plant unit by descaling chemical (agent) and testing at adequate pressure as specified for leakage of water and rectification of leakage with welding/brazing etc and retesting including decarboning units, and coil and burner including dismantling and re-fitting of unit with required packing etc and transportation if required, complite all as specified and directed.

M& L for repair/maint of fuel burner assembly complete including dismantling,cleaning, descaling, including repairing and replacing of unservicable items as per existing sample for 400000 K Cal/hr Hot water plant by taking out and refixing, complete all as specified and directed.

S & F in replacement of Hot water Boiler Control panel parts listed as below of model AMW 04/H/68 including all connected items, complete all as specified and directed for the following :- (a) Sequence Controller

(b) Ignition Transformer

(c) Photo Cell

(d) Nozzel

(e) H.T lead

(f) Electrodes

(g) Nozzel holder

(h) Fuel pump

(j) Burner Motor

(k) Diffuser Disc

(l) Flexible Fuel line set

(n) Digital temperature controller in control panel

(o) Contactor in control panel (as per sample)

S&F of coil panaca including dismanling of defected coil panaca for 400000 K Cal/hr Hot water plant by taking out complete by opening the upper chamber outer side of coil assy welding, brazing the coil and refixing, complete all as specified and directed.

Dismantling the existing defective electric motor of 5 HP and taking out burnt winding, cleaning of rotor and starter complete and re-winding the same with super enamelled copper wire of existing size including packing/insulating material and after necessary transportation from site of repair to original site and re-fixing the same as in original position after repair including testing upto the entire satisfaction of the Engineer-in-Charge.

Repair to hot water circulating pump coupled with 5 HP 3 phase 415 volts electric motor with following spares :- a) Replacement of GM Bush - 01 No b) CI gland packing bush - 02 Nos c) Replacement of driving and non-driving end bearing - 02 Nos d) Replacement of CI impeller - 01 No e) Welding, cutting, turning and balancing of pump shaft - 01 Job f) Complete dismantling and refixing after repair - 01 Job

Supply and fixing in replacement DOL starter 3 phase 415 volts suitable for 5 HP to 7 HP electric motor, complete all as specified and directed.

Supply and fixing in replacement overload relay type, complete all as specified and directed.

Supply and fixing in replacement of Fuel filter as per existing size and type/sample suitable for the plant, complete all as specified and directed.

Supply and fixing in replacement fuel pipe fuel tank to blower assy for the plant (As per sample), complete all as specified and directed.

Supply and fixing in replacement MCB TPN 32 amps 440 volts, complete all as specified and directed.

Supply and fixing in replacement PVC pipe heavy duty reinforced 20mm dia for lifting of fuel, complete all as specified and directed.

Supply and fixing in replacement PVC connection 15mm size with nuts, Washers, length 450 mm suitable for hot and cold water, complete all as specified and directed.

Supply and fixing in replacement start/stop switch, complete all as specified and directed.

Supply and fixing in replacement indicator lamp assembly complete with indicator lamp red/yellow/blue, complete all as specified and directed.

Supply and fixing in replacement of 3 phase digital volt meter 0-500 volts, complete all as specified and directed.

Supply and fixing in replacement of 3 phase digital Amp meter 0-100 amps, complete all as specified and directed.

Supply and fixing in replacement digital Temperature meter as per sample, complete all as specified and directed.

Supply and fixing in replacement fuel filter for DG set 63 KVA, complete all as specified and directed.

Supply and fixing in replacement Lub oil filter for DG Set 63 KVA for DG Set 63 KVA, complete all as specified and directed.

Dismantling of FIP and Calibration of FIP (Fuel Injection Pump) 63 KVA DG Set at admissible pressure including minor spares etc. testing and refitting, complete all as specified and directed.

Dismantling, opening and cleaning of complete radiator assembly of DG Set 63 KVA, checking of water leakage, cleaning of slots including welding/brazing where required and replacement of radiator hose pipe set complete all as specified and directed.

Supply and fixing brass terminals of battery lead heavy duty with clamp for Battery lead both -VE & +VE, complete all as specified and directed.

Supply only distilled water for batteries, complete all as specified and directed.

S&F On-Load Change over Switch four pole 415 V, 200 amps rating without enclosure suitable for fixing in existing panel including desmantling brunt u/s Change over Switch and making connection, complete all as specified and directed.

Supply and fixing of new battery12 V, 180 AH, complete all as specified and directed

Opening and Dismantling of self starter of 63 KVA and repairing with replacement of defective parts with new as following below and refitting and testing, complete all as specified and directed. (Note:- defective parts will measured and paid separately)

(a) Supply & fixing Armature 01 No.

(b) Supply & fixing Field coil copper 01 Set.

(c) Supply & fixing Carbon Brush 01 Set.

(d) Supply & fixing Bearing 02 Set.

(e) Supply & fixing Pinion 01 Nos

Supply and fixing Coolant Oil, complete all as specified and directed.

Supply and fix Engine oil 15/20 W 40 including drain of brunt used oil, complete all as specified and directed

Air filters as per sample suitable for DG Set 63 KVA, complete all as specified and directed

Battery copper lead assy -Ve & +Ve as per Sample, complete all as specified and directed

Supply and laying GI tubing medium grade with all fittings but fixed to wall up to height 12 mtr and ceiling or laid under floors or trenches, complete all as specified and directed of following sizes .(a) 15 mm dia bore

(b) All as per Srl item No 51 above but, 20 mm dia bore size

(c) All as per Srl item No 51 above but, 25 mm dia bore size

(d) All as per Srl item No 51 above but, 50 mm dia bore size

Gun-metal, globe or gate valves, with iron wheel head, screwed both ends for iron pipe and fixed 50 mm dia, complete all as specified and directed

S&F in replacement Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position capacity of 3000 ltr including dismantling of U/S old storage tank, complete all as specified and directed

S&F Ball brass valves, high pressure with polythene float and flynut complete, 50 mm dia screwed for iron pipe or brass ferrule and fixed, complete all as specified and directed

Lagging of exposed to PVC tank of capacity 3000 ltrs and including connected pipe lines of all sizes by providing all around of tank 25mm thick bounded mineral wool performed SNAP on tank section of density 144 Kg/M3 conforming to IS-9842, 1981 covered completely by chicken mesh netting 25 gauge 20mm mesh and reinforced with 1mm galvanised wire applied spirally @15cm centre to centre and providing 5mm thick smooth evenly. Plaster layers of composition consisting of 85% magnesia asbestos and plaster of paris mortar 1:6 of required strength to suit exposed weather condition under sub zero temperature for MS hot water tank including removal of old worn out/ damaged lagging, complete all as specified and directed.

Excavation in trenches n.exc 1.5 metre wide and n.exc 1.5 metre deep and getting out in any type of soil, complete all as specified and directed

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

Removal of excavated material to be distance n.exc 50 metres and depositing where directed at a level n.exc 1.5m high from the starting point, complete all as specified and directed

S&F Gun metal, globe or gate valves 20 MM with iron wheel head ,screwed both ends for iron pipe and fixed, complete all as specified and directed

S&F Gun metal, globe or gate valves 25 MM with iron wheel head ,screwed both ends for iron pipe and fixed, complete all as specified and directed

Supply & fix in replacement automatic Transfer switch 100 A, 4 Pole in sheet metal enclosure 3Phase 415 V, 50 Hz supply with complete protection suitable for automatic/manual operation complete with all mounting arrangement, complete all as specified and directed

M&L for cleaning of coil by descaling agent anti scaling 100 qty as required on site, complete all as specified and as directed.

Note :- An amount of Rs. 42,855.00 on account of credit schdule for Sch 'A' Part-II Shall be deducted from the total amount of BOQ to arrive at the contract sum.

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