Approved process basis developed into coordinated specifications for detailed design and procurement.
Process definition, safeguards, equipment sizing, control concept and battery limits. The operating sequence, recycle paths, start-up/shutdown cases and normal/turndown behavior are defined before equipment finalization.
PFD/P&ID, equipment and instrument data, relief systems and utilities. Materials, design margins, maintainability, isolation, access, lifting and spare philosophy are coordinated with the approved operating cases.
Approved project objectives, feed/site data, product targets, battery limits, client standards, execution schedule, local regulations and interfaces.
Basic design package, design philosophies, requisitions and project specifications. The package also includes line/equipment lists, relief and utility summaries, layouts or 3D interfaces, vendor-document requirements, inspection plans and commissioning inputs as applicable.
Design reviews, HAZID/HAZOP/SIL coordination, model reviews, document control, change management, quality surveillance and completion assurance.
EPC execution, licensor integration and tender packages. Capacity, product quality, consumption and emissions commitments are confirmed only after the representative feed and project Design Basis are approved.
Client standards plus API, ASME, TEMA, NFPA and IEC. The contractual code basis is selected by destination and client specification. ASME/API/TEMA, EN/DIN and GOST/EAC requirements are not mixed without an approved code-equivalency and authority review.
Client standards plus API, ASME, TEMA, NFPA and IEC.