REPAIR WORK OF COMPRESSOR NO 02 MOTOR AND PANEL WORK OF 2X40 TR ASDC OF AHU AT SIGNAL ENCLAVE UNDER GE (U) P AND M DELHI CANTT-10

Amount

1. Overhauling, testing and commisioning of open type reciprocaing compressor of capacity 40 TR, Model No. 05046. Make:Voltas. Overhauling including disconnecting/ dismantling of suction and discharge valves, side covers other control accessories. Shifting the faulty compressor parts to the contractors workshop for certain required repairs. Refixing the repaired/Replaced parts in its original position under supervision of site-in-charge all as specified and directed by the Engineer-in-Charge - 01 Each Job Note:- (i) Required Spare parts to be replaced during overhaluing shall be measured and paid seperatly as 'Supply only' under relevent items. (ii) Transportation charge & labour charges for taking down old spares and fixing of new spares shall deemed to be included in quoted rate. 2. Supply only the follwing spare parts for the compressor of capacity 40 TR, Model No. 05046. Make:Voltas 2.1 Shaft seal assembly with plate - 01 Each 2.2 Liner. - 04 Each 2.3 Piston. - 02 Each 2.4 Cassel Nut and bolts for conneting road - 08 Each 2.5 Main bush. - 02 Each 2.6 Gasket set - 01 Set 2.7 Suction and discharge reed. - 04 Each 2.8 Piston ring set. - 04 Set 2.9 Piston pin with lock. - 04 Each 2.10 Half section bearings. - 04 Each 2.11 Brass bushes for connecting rods. - 04 Each 2.12 Oil strainer. - 01 Each 2.13 Oil pump - 01 Each 3. Supply and fixing in replacement new chrankshaft and M&L for machining,grinding and polishing of crank shaft and making the crank shaft suitable for normal running and matching the dia to the main bush and connecting rod and bearings for the compressor of model No.05046 Make: Voltas of capacity 40 TR complete all as specified and directed by Engineer-in-Charge - 01 Each Job 4. Disconnecting from mains/taking out existing unserviceable/defective motor of capacity 60 HP of any size, type, and make including disconnecting all electrical connections removing from foundation transporting to repair workshop disconnecting unserviceable burn out winding completely including insulating materials and rewinding of the complete stator with super enameled copper wire of existing size applying proper insulation ‘F’ class varnish drying in oven, assembling, transporting back to site, re-installating, testing and commissioning complete all as specified and as directed by Engineer-in-Charge. (Note :- Transportation Charges from site to trade workshop and back to original location after repair shall be deemed to be included in unit quoted rate.) - 01 Each Job 5. Supply, fixing and testing in repairs of three pole power contactors of capacity ML-3 including control wiring, thimbles, etc complete all as specified and as directed by Engr-in-Charge. (Make -L&T/Siemens/Legrand/ ABB/ C & S.) - 02 Each Job 6. Checking , Testing & Commissioning of Complete system full load inclusive of fixing/alignment of motor complete in all respect as per direction of Engineer-In-charge. - 1 Each Job (i) Supply and Charging of Nitrogen Gas in unit & complete system at 300 psi pressure and checking of any dropping of pressure / leakage up to 72 Hrs after replacement of compressor & rectification of leakage if any. (ii) Vaccuumisation of complete system for minimum 2 days for dropping of vacuum pressure & rectification of leakage, if any. (iii) Charging of complete system with R - 22 gas for maintaining the system pressure up to HP - 175 psi & LP - 65 psi.

Ahuja international

Ashok Enterprises

Tushar engineers

Suman Uni Controllers