Seven companies are understood to be prequalified for the first package, which covers the construction of the 250,000-tonne-a-year (t/y) benzene, toluene and xylene (BTX) compound plant, and a 60,000-t/y butene-1 facility.

They are: Oslo-based Aker Kvaerner; the UK’s AMEC; Taiwan-based CTCI; Germany’s Linde; South Korea’s Samsung Engineering Company; Toyo Engineering Corporationof Japan; and Paris-based Technip.

Under the proposed bidding schedule, technical bids and initial price offers will be submitted on 6 January. Companies, which pass technical evaluation, will have until 6 March to submit a final price. The client says it will award the estimated $300 million-400 million lump-sum turnkey (LSTK) contract a week later.

The second package, worth an estimated $400 million, involves the construction of the 500,000-t/y high-density polyethylene (HDPE) unit. About five contractors, including the project’s front-end engineering and design (FEED) contractor, Uhdeof Germany, are understood to be prequalified for the work.

Technology for the HDPE plant has been licensed from Europe’s Basell. For the butene-1 unit, the US’ UOP is the technology provider, while Houston-based GTC Technology is the technology licence holder for the BTX facility.

US-based Foster Wheeleris the project management consultant (PMC) on the project. ABN Amrowith Saudi Hollandi Bankis the financial adviser. The client on the development is Saudi Basic Industries Corporation (Sabic– MEED 30:9:05; 16:9:05; 22:7:05).