【Haichuan Overseas Engineering】Hengyi (Brunei) PMB Petrochemical Project (Phase 1) Major Overhaul Project

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The comprehensive maintenance project for Hengyi (Brunei) PMB Petrochemical Project (Phase 1) is located on Pulau Damai in Brunei, and it represents the first regular full-scale maintenance of the plant since the start of production and operations at the Hengyi (Brunei) PMB Petrochemical Project Phase 1. The contract period runs from March 10, 2023, to May 10, with only 25 days available from the delivery of the workshop for maintenance work to its restart for production. The construction scope includes the maintenance and technical upgrades of the three main units for flexible coking, aromatics, and sulfur, as well as the plant’s utility systems and instrumentation; it involves over 2,000 maintenance tasks, including the demolition and replacement of old equipment, the lifting of large-scale equipment, and the cleaning of confined spaces – all of which are high-risk and challenging operations. To win this tough battle, the Northwest Branch established a specialized team as early as July 2022 to conduct on-site inspections and assessments of all the maintenance tasks across the plant, and completed three rounds of coordination regarding over 2,000 maintenance plans for the entire plant. In September of the same year, the first version of the pre-bid planning was developed, which included a detailed plan for personnel, machinery, costs, and risks ； In November, focus on bidding for Section 2 and optimize the second version of the plan. After the unit was shut down in March 2023, the project team promptly inspected the interior of the equipment and adjusted the allocation of manpower and machinery accordingly. Faced with challenges such as limited resources and short lead times in the Brunei market, the branch office coordinated the deployment of over 70 construction machines in February 2023, transported more than 1,000 construction workers in batches via chartered flights, and arranged sea freight to ship large quantities of construction equipment and materials, thus kicking off the major maintenance project.