Introduction: Quality control in detailed design is an important part of QA/QC before any construction starts, it contains relevant information in regard to the exact owner’s specifications and requirement, design consideration, local codes and regulations that need to be adopted.

Scope of the work: The scope of the design work includes the principle of the design, relevant standards and codes adopted. The various aspects for mechanical equipment, electrical equipment and instrumentation and any pertinent systems are thoroughly considered. These constitute the design parameters of the intended work.

Schedule: A schedule is produced to reflect the activities that need to be completed in a defined timeframe.

Implementation: Related parties or representatives from Owner, Consultant, Prime Contractor, and AIRCO are involved at the detail design kick–off meeting if possible. All the parties at the meeting should determine related monitoring system and design reviewing system. Comments from the client’s side after the design reviewing are incorporated in the detailed design.