Tender For Leak Test & Evacuation Of Iocl Make Cryogenic Vessels To Ensure No Leakage Condition Exists Or To Confirm The Presence Of Leakage By Breaking The Existing Vacuum Level By Dry Nitrogen And All O Rings Attached To The Vic Applying Combined Test Methods (Pressure-Cum-Vacuum)&Evacuation Not Less Than 0.02 Millibar (Measured By Duly Calibrated Digital Pirani Gauge) Of Iocl Make Cryogenic Vessels. Painting Of Iocl Makescryogenic Vessels. Civil Base Construction Of Iocl Make Cryo-Vessels. Installation & Supervision Of Commissioning Of Iocl Make Cryo-Vessels.