Expert Review and Design Drawing Quotation Request Document for the Category II Change Project of Chongqing Xiangyu Salt Chemical Co., Ltd.

1. Price Comparison Criteria
This quotation pertains to the expert review and design‑drawing comparison for the Category II Change Project of Chongqing Xiangyu Salt Chemical Co., Ltd., which has been approved by Chongqing Xiangyu Salt Chemical Co., Ltd. The project owner is Chongqing Xiangyu Salt Chemical Co., Ltd., and the project now meets the conditions for conducting a request‑for‑quotation and price‑comparison tender. Accordingly, we are hereby inviting quotations for this project.
2. Project Overview and Scope of Price Comparison, etc.
2.1 Project Location: Chongqing Xiangyu Salt Chemical Co., Ltd.
2.2 Scope of Project Design:
2.2.1 Organize experts to review Category II change projects and supplement and refine the design documents as required by the review.
2.2.1.1 Responsible for organizing external experts with relevant qualifications in the chemical and petrochemical industries to conduct compliance, safety, and technical feasibility reviews of Category II change items for this project.
2.2.1.2 Responsible for inviting experts, organizing review meetings, preparing review materials, coordinating on-site activities during the review, compiling review comments, and drafting the official expert review report.
2.2.1.3 Shall bear all related expenses, including expert review fees, travel costs, conference services, and document printing.
2.2.2 Update the PID diagram and supplement other design documentation in accordance with the expert review comments (Category II change).
2.2.2.1 Based on the Category II change recommendations approved by the expert review, systematically update, revise, and replace the existing process piping and instrumentation diagrams (P&IDs).
2.2.2.2 Ensure that the PID diagrams are fully consistent with the actual site conditions, Category II change documents, and applicable codes and standards; the drawings shall be clear, the data accurate, and the version traceable.
2.2.2.3 Provide an editable electronic version and a stamped hard copy of the PID diagram.
2.2.3 Preparation of a design description report and a complete set of technical documents
2.2.3.1 Prepare a comprehensive design description report, including project overview, basis for Category II changes, expert review conclusions, design principles, applicable standards, process descriptions, safety measures, corrosion protection and insulation, pipeline classification, operating parameters, and other relevant content.
2.2.3.2 Accompanying documents shall include: a List of Category II Changes, a Drawing Index, a Bill of Materials, countersignature pages, a comparative description of the conditions before and after the Category II Change, a compliance statement, and other relevant materials.
2.2.3.3 All documents shall comply with the requirements for submission for review, inspection, archiving, and auditing.
2.3 Project Control Price: RMB 480,000 (Four Hundred and Eighty Thousand Yuan exactly); any bid exceeding the control price shall be deemed invalid.
2.4 Design Schedule: Completion within 60 calendar days after the contract is signed, in accordance with Party A’s requirements. This includes conducting the expert review for the Category II change project of Chongqing Xiangyu Salt Chemical, updating the PID diagrams based on the experts’ feedback (for Category II changes), and preparing the design description report, among other deliverables. In addition, the successful bidder shall provide, for a period of two years following the termination of this design contract, free-of-charge expert review and related drawing updates, along with stamping services, for all Category II changes covered by this contract.
3. Design Qualifications and Performance Requirements
Qualification Requirements: Must hold a Class B or higher design qualification in the chemical, petrochemical, or pharmaceutical industries.
Performance Requirements: The bidder must have at least one comparable project design reference (provide a copy of the design contract, stamped with the official seal, as supporting documentation).
The submitted construction drawings shall comply with the following standards and specifications:
Code for General Layout Design of Industrial Enterprises, GB 50187-2012
Rules for the Licensing of Pressure Vessel and Pressure Piping Design, TSG R1001-2008
“Safety Technical Code for Pressure Piping — Industrial Piping” TSG D0001-2025
Code for Design of Industrial Metallic Piping, GB 50316-2000 (2008 Edition)
“Code for Pressure Piping – Industrial Piping” GB/T 20801-2020
Code for Design of Petrochemical Metal Piping Layout SH/T 3012-2021
Code for Corrosion Protection Design of Coatings for Petrochemical Equipment and Pipelines, SH/T 3022-2019
“Design Specifications for External Corrosion Protection of Chemical Equipment and Piping” HG/T 20679-2014
“Specification for Surface Colors and Markings of Steel Structures on Equipment and Piping in Petrochemical Enterprises” SH/T 3043-2014
Fire Protection Standard for Petrochemical Enterprises, GB 50160-2008 (2018 Edition)
General Code for Fire Protection of Buildings GB 55037-2022
Code for Design of Building Foundations, GB 50007-2011
Code for Architectural Design of Mechanical Industry Plant Buildings, GB 50681-2011
Code for Acceptance of Construction Quality of Building Water Supply, Drainage and Heating Engineering, GB 50242-2019
“Standard for Design of Steel Structures” GB 50017-2017. In the event that any of the aforementioned standards are updated, the most recently issued version shall prevail.
4. Quotation deadline: July 17, 2026, 10:30 a.m. (Beijing Time); Contact for quotations: Sun Mingdong; Phone: 15826300727.

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