What is a preliminary design report?

Strictly speaking, the preliminary design is the stage of project design that takes place after the feasibility study and safety assessment of the project, and before the construction drawing design (also known as detailed design).

Explanation of the process for preparing preliminary designs by branch offices. Process number and name: EP01.03.02 – Preparation of preliminary designs. Brief description of the process: 1. Process details: This process outlines the procedures for selecting an entity responsible for preparing the preliminary design from among subordinate units, issuing a commission for the preparation of the preliminary design, carrying out the actual design work, conducting reviews to assess the quality of the preliminary design, and submitting it for approval at various levels. 2. Start and end points of the process: This process begins when the subordinate unit selects the entity responsible for preparing the preliminary design, and it ends once the project receives approval from the Planning Department of the oilfield company, or from the Planning Departments of the joint-stock company’s Exploration and Production division, as well as the Planning Department of the Natural Gas and Pipelines company. 3. Term Explanation: II. Departments Involved in the Process and Their Responsibilities: Department in charge of the business and its responsibilities: The Enterprise Development and Planning Department is responsible for organizing evaluations, deciding whether to submit the preliminary design, and making adjustments to it based on the feedback from the holding company and specialized companies. . 2. Departments involved in the process and their responsibilities: The subordinate units are responsible for organizing the verification to determine whether the preliminary design meets the requirements in terms of content and depth specified in the commission letter. III. Relevant systems and records involved in the process: Systems: QHSE procedure document of the oilfield company, GY01/D7.7 – Procedure for design control of capital construction projects; GY01/D7.25 – Procedure for occupational safety and health management; GY01/D4.2 – Procedure for management of technical documents and materials. Management operation documents of the oilfield company: GY01/D6.1.1 – Measures for managing investment in construction projects; GY01/D6.1.2 – Measures for managing estimates, budgets, and settlements for capital construction projects. 2. Records: Letter of assignment for preparing the preliminary design, preliminary design documents, and review comments. IV. Risks involved and related controls. V. Other matters that need to be explained