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Tender For custom bid for services - vam machine breakdown attending-vam machine breakdown occurred on 13/02/2025 due to multiple tube failure of vam evaporator tubes along with contamination of refrigerant & absorber solution. the intent of specification is replacement of evaporator tubes along with replacement of absorber solution, refrigerant solution and filtration as per below mentioned scope of work: agency has to carry following activity: 1. pressurising the system by using nitrogen. 2. draining the libr solution and d.m. water into empty drums. 3. removing the evaporator tubes. 4. replacing the evaporator tubes (500 nos) with new ones. 5. again pressurizing the system with nitrogen. 6. carrying out thorough leak testing of the entire system 7. holding the pressure for 24 hrs. for observing any pressure drop. 8. hydraulic testing of the entire tubes. 9. vacuumizing the system by using vacuum pump. 10. holding the vacuum for 24 hrs. for observing any vacuum rise. 11. thorough internal cleaning of the vam. 12. charging the libr solution. 13. charging the fresh d.m. water. 14. charging the lithium molybdate as per requirement. 15. charging the octyl alcohol as per requirement. 16. recommissioning the machine after carrying out the necessary tests. 17. carrying out online filtration of the unit by installing the filtration kit. 9316191577.
02 Apr, 2025
13.11 Lacs
