Onshore and offshore pipeline construction and maintenanceFlowline construction and maintenancePipeline facilities and maintenance (manifold fencing, piping spool, drain lines extension, pipe supports, other structural steel etc. FITUP OF WELDING JOINT ALIGNMENT OF WELL HEAD END OF THE FLOWLINE UNBOLTING OF THE FLOWSTATION RISER INSTALLATION OF SHRINK SLEEVE ON WELDED JOINT PIPELINE MAINTENANCE