Aurecon was involved in the Thai Oil Jetty Expansion project.


Jetty expansion Thai Oil Public Company Limited, Chonburi, Thailand

Expanding jetty to increase export capacity of Thailand’s largest oil refinery

  • Aurecon’s role: Civil, structural, ports & marine engineering
  • Client: Thai Oil Public Company Limited

Larger ships calling at Thai ports to transport greater volumes of oil products from the country to the world has strained the country’s port berths.

Aurecon was engaged to design the expansion of a jetty for the country’s largest refinery, Thai Oil Public Company Limited. The expansion extends by 1.2 kilometres as onshore pipe rack (T0) and 2.5 kilometres as offshore trestles T1, T2, T3, and Jetty 7 and 8.

The port’s new berths, numbered 7 and 8, were constructed as part of the expansion and both now accommodate longer and deeper vessels, up to 50 000 dead weight tonnage (DWT). Berth 7 and 8 are located approximately 2 kilometres from the shoreline and supplement the existing facilities for ships up to 50 000 DWT.

The project involved the FEED (front end engineering design) and detailed design for the new platform with loading facilities, dolphin with berthing facility, jetty trestles, pipe rack, pipelines, pipe supports and cathodic protection. High-level capital expenditure cost estimates were provided for the structural construction works.

To help the client be future-ready, Aurecon also designed infrastructure for the possible expansions of the jetty to increase Thai Oil’s sulphur export capabilities.

The variable ground conditions provided an engineering challenge to construct the new facilities on support piles in the ocean. A total of 647 piles were driven into a mixture of very soft to soft clay, medium dense clayey sand, dense to very dense silty sand and very stiff sandy clay to achieve structural stability. Aurecon’s team designed a special piling arrangement to ensure stability and resilience.

This project was successfully completed in April 2020 and received its first oil tanker, the 50 000 DWT oil tanker MAERSK MUROTSU on 20 April 2020. Aurecon is proud to help Thai Oil further extend its value chain and increase their market competitiveness.

Aurecon has more than 70 years of experience delivering ports and marine projects across the full project lifecycle for port users, operators and authorities, miners and oil companies, as well as contractors and funders/donors.

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