The scope of work is to provide Detailed Design Engineering including PDMS 3D Modeling for 2 Stage Polysep Membrane Skid of ORLEN LIETUVA Project. Design shall be as per Lithuanian Regulation and Laws including preparation of Plot plan / Equipment layout, Piping layouts and Pipe support Location drawings, Isometrics, Stress analysis report, Membrane Lifting & Transportation drawing, Structural Design Calculations for Poly Sep Membrane skid In-place Condition, Lifting Condition, Sea and Road Transportation Conditions, Structural Design Drawings, standard Connection Design calculations and Design Drawings, Foundation Loading Drawings, Hoist & Trolley schedule, Single Line Diagram, Cable Sizing Calculation, Cable Schedule, Power Cable Routing Layout, Earthing Layout,Instrument and Cable tray layout drawing, Instrument List, Instrument Hookup drawings, Junction box connection diagrams, Junction box assembly drawings, Inst. Support installation drawings, As-built Drawings etc.