Public tender for the EPC general contract of the wastewater treatment plant for Ningxia Coal Industry’s second-phase 60,000 tons/year polyoxymethylene project

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Call for Bids for the EPC General Contracting of the Sewage Treatment Plant for the 60,000 tons/year Polyoxymethylene Project in the Second Phase of Ningxia Coal Industry 1. Bidding Conditions The name of this bidding project is: EPC General Contracting of the Sewage Treatment Plant for the 60,000 tons/year Polyoxymethylene Project in the Second Phase of Ningxia Coal Industry. The project’s bidding number is CEZB260101599. The bidder is **Energy Group Ningxia Coal Industry Co., Ltd., and the project owner is also **Energy Group Ningxia Coal Industry Co., Ltd. The funding for this project comes from internal sources. The tendering agency is **Energy Group International Engineering Consulting Co., Ltd.** This project meets the requirements for bidding, and public bidding for domestic qualification review is now being conducted for it. 2. Project Overview and Scope of Bidding 2.1 Project Overview, Scope of Bidding, and Division into Bid Sections (Packages): 2.1.1 Project Overview: The second-phase 60,000 tons/year polyoxymethylene project uses methanol, ethylene glycol, and a small amount of benzene as raw materials, and employs the iron-molybdenum method along with copolymerized polyoxymethylene production techniques to manufacture polyoxymethylene. A newly constructed wastewater treatment plant is included in this project; it is designed to treat the wastewater generated by the polyoxymethylene production facility in the second phase, domestic wastewater, rainwater contaminated during the initial stages, as well as wastewater resulting from fire incidents. It also handles wastewater from the first-phase polyoxymethylene facility that does not meet environmental standards ； The designed treatment capacity of the wastewater treatment plant is 127.5 m³/h, of which 62.5 m³/h is for wastewater from Phase I and 65 m³/h for wastewater from Phase II. The treated wastewater is discharged to the chemical industrial park for centralized treatment. 2.1.2 Scope of the tender: Responsible for the design, procurement, and construction of all aspects related to processes and equipment layout, static equipment, dynamic equipment, pipelines, civil engineering (structure/construction), instrumentation and automation, electrical systems, telecommunications, HVAC systems, water supply and drainage systems, fire protection measures, analysis and testing, safety measures, environmental protection, as well as occupational health and safety, within a 1-meter radius outside the boundary lines of the wastewater treatment plant for the second-phase 60,000 tons/year polyoxymethylene project. Also responsible for all tasks related to project management, administrative oversight, inspection, testing, individual unit trials, mechanical completion, intermediate project handovers, final acceptance, and coordination with various types of specialized inspections until the project is fully completed. Additionally, it is responsible for providing the necessary technical guidance and support services during system integration tests, commissioning (including sludge supply and sludge acclimatization), as well as during operation and performance evaluation phases, and for training the personnel assigned by the client. Specifically as follows: 1. The design tasks include, but are not limited to: based on the design foundations, basic engineering design documents, special reports, and other technical documents related to design provided by the tenderer, it is necessary to carry out detailed engineering design within the scope of the procurement (including 30%, 60%, and 90% 3D models), as well as all other design activities such as BIM work, in accordance with the requirements of relevant standards and specifications. Ensure that the depth and comprehensiveness of the design documents meet the requirements specified in the technical contract documents as well as those outlined in the \"Specifications for Detailed Engineering Design of Petrochemical Plants\" (SPMP-STD-EM2005-2016) ； Responsible for drafting and issuing technical purchase orders that meet the requirements of all equipment and materials ； Organize HAZOP analysis and review, SIL analysis, and verification (if any) tasks ； Cooperate with the tenderer to carry out third-party drawing reviews, all special inspections by government departments, and other related tasks ； As required by the tenderer, attend the construction meetings organized by the tenderer, as well as various meetings focused on overcoming construction challenges and design coordination meetings, in order to resolve promptly any design-related issues raised during these meetings ； Provide on-site technical services and design briefings, carry out joint reviews of construction drawings, implement the \"three inspections and four confirmations\" process, and conduct completion inspections ； Responsible for preparing the as-built drawings within the scope of the design, and submitting such drawings that meet the requirements for as-built archive acceptance. For specific requirements, please refer to the design technical attachments. 2. The tasks related to procurement include, but are not limited to: reviewing the technical documents/drawings for all equipment/materials within the scope of the project, carrying out procurement (including spare parts and special tools), urging delivery, supervising manufacturing, conducting inspections and tests, transporting items to the site, managing transportation, unloading, organizing inspection upon arrival, moving items around the site, managing storage, handling installation and payment procedures, as well as carrying out installation, commissioning, trial operation, and providing warranty services ； Bear all the costs related to the starting-up supplies and spare parts up until the completion of the commissioning process, and promptly hand over the supplies, special tools, measuring instruments, and accompanying documentation. For details, please refer to the procurement technical attachment. 3. The construction work includes, but is not limited to: responsibility for all aspects of the process systems within 1 meter outside the boundary lines of the wastewater treatment plant’s installation area, including waste gas treatment and sludge treatment systems, as well as utility systems and auxiliary facilities; in addition, it involves the construction of buildings and installations related to all electrical and instrumentation systems, as well as safety, fire protection, environmental protection, and telecommunications-related elements as specified in the design documents. The contractor is also responsible for the disposal of waste materials within the scope of its work, and must cooperate with the employer in carrying out non-destructive testing, various inspections, and other related tasks and inspections. For details, please refer to the construction technical attachment. 4. Commissioning and operation: The bidder is responsible for the system cleaning, chemical cleaning, purging (assistance), pressure testing, individual unit testing, intermediate handover, joint commissioning, as well as sludge cultivation and acclimatization of the sewage treatment plant. The bidder is responsible for guiding the system’s feeding and commissioning until it is successfully tuned. The bidder is responsible for the procurement and filling of all three doses (adsorbent, lubricant, catalyst, etc.) for the initial loading. The bidder is responsible for supplying the chemical reagents (except sulfuric acid/hydrochloric acid and alkali solutions), microbial strains, and activated sludge within 6 months from the date of start-up testing with raw materials. Responsible for cooperating with the tenderer to complete all performance tests, reviews, and evaluations of the equipment. Responsible for providing device technical support services for one year after the sewage treatment plant passes its performance assessment. 5. Other tasks include, but are not limited to: being responsible for the design, procurement, and construction of temporary pipelines required to support equipment testing, commissioning, and other related activities ； Responsible for tasks such as archiving project documents, conducting completion inspections, preparing inventories of fixed assets, delivering projects in digital format, providing services during the warranty period to fix defects, managing quality assurance and warranty services, as well as handling all necessary adjustments during various project inspections and the process of obtaining approvals. Responsible for providing training services for operators/maintenance staff. Bidders must strictly comply with the tenderer’s \"Six Modernizations Implementation Plan for Chemical Industry Project Construction (including digital delivery)\”; the specific details are provided in the technical attachments. 2.1.3 Division of lots (packages): This project is divided into one lot in total. 2.1.4 Project duration and service period: Construction is scheduled to begin on April 20, 2026 ； Interim handover on July 31, 2027 ； The service period expires on December 31, 2029; the actual start date shall be subject to the notice from the tenderer.