Turnaround Maintenance Uran Turn Around Maintenance Of Apu Plants Lpg Iii, Gsu 14, Cfu Iii And Chu-Iv For The Year 2024-25; 1 Part-A: Lump Sum scope of work-AS PER SCOPE OF WORK 2 Blinding/de-blinding of battery limit and other linesPositive isolation of TA units (after ONGC Clearance) by blinding battery limit valves using blinds supplied by ONGC and de-blinding the same after successful completion of TA activities as per para 3.1. 3 Liquid Nitrogen Services for purging/testingSupply and application services of liquid nitrogen along with evaporators, pumps, Manpower (operators) , connecting hoses etc. for purging pipelines/equipment and also for pneumatic testing of equipment as per para 3.2. Liquid Nitrogen Qty- 60MT 4 Maintenance of VesselsBlinding/de-blinding, internal cleaning, cleaning of LGs, internal scaffolding, ventilation using venturi air eductors, buffing, minor repairs, hydrotest, box up etc. as per para 3.3. 5 Maintenance of ColumnsBlinding/de-blinding, internal cleaning, cleaning of LGs, internal scaffolding, ventilation using venturi air eductors, buffing, minor repairs, hydrotest, box up etc. as per para 3.3. 6 Maintenance of TanksBlinding/de-blinding, ventilation using venturi air eductors , internal cleaning & painting, internal scaffolding, buffing, minor repairs, Hydrotest, box up etc. as per as per para 3.5. 7 Maintenance of Heat Exchangers/CoolersBlinding/de-blinding, opening, cleaning (Hydrojetting/ low pressure water jet/air jetting as per detailed SOW), leakage identification, re-tubing/plugging/ welding of tubes/tube-sheet, box-up, Hydrotest as per as per para 3.6. 8 Maintenance of Air Fin CoolersBlinding/de-blinding, opening, cleaning by hydro jetting, testing as per para 3.7. 9 Cleaning/Maintenance of Filters & Soak pitsBlinding/de-blinding, opening, cleaning of filter housing, cleaning/ replacement of filter media, minor repairs, hydro testing as per para 3.8. 10 Maintenance of Cold Box (for 08 streams) in LPG-IIIBlinding/de-blinding, spool dropping, gasket bursting, strainer cleaning, box-up etc. as per as per para 3.9. 11 Replacement of Molecular Sieves, Ceramic balls & maintenance of Dryer D-401A/B/CBring molecular sieves (approx. 100 MT) & ceramic balls (approx. 6 MT) from ONGC store to LPG-III plant, blinding/de-blinding, opening, purging, minor repair, hydrotest, loading of dryer media, box-up as per para 3.10. 12 Maintenance of furnaceBlinding/De-blinding, Internal Scaffolding, buffing, minor repairs,Burner cleaning & pneumatic testing as per para 3.11 13 Valve Servicing (Greasing and Replacement of I-bolts & gland packing)As per technical specifications provided at para 3.12. 14 Chemical cleaning of GSU-14Bring soda ash from store, prepare 3% soda ash solution using mixer, circulation etc. to achieve chemical cleaning as per para 3.15. 15 OWS funnels, CRWS catch basin, storm water channel cleaningAs per technical specifications provided at para 3.16. 16 Maintenance of Underground Briddle Water SumpsAs per technical specifications provided at para 3.17. 17 External scaffoldingAs per technical specifications provided at para 2.410000 M3 18 In-situ machiningOn site machining of flange faces for proper serration, threaded plugs etc.100 Inch-Dia 19 Service Cost Breakup rate 20 External scaffolding As per technical specifications provided at para 2.4(m3) 21 Supply of nitrogenAs per technical specifications provided at para 3.2(MT) 22 Repair of Refractory of furnace (F-401) :As per scope and technical specifications provided at para 3.12
