USA

Chemical and GTL complex project - Louisiana

Owner/Client:

Sasol / Technip

Cost of works:

n.a.

Period of Activity:

2013 - 2015

World - scale ethane cracker and Gas to Liquid (GTL) facility located in Louisiana, U.S.A, for Sasol North America. The project area is in an industrial sector near the Calcasieu River.

— Project Description:

The project site, about 4 km 2 was divided in 8 zones with different sectors and utilizations:

  • Lake Charles Cracker Plant (LCCP) and Lake Charles Common Facilities (LCF);
  • Ethane Cracker,
  • Firewater Ponds areas;, Main Substation Area, SRA Raw Water Pumping Station Area;
  • Ethylene 2 Support Systems
  • Construction Docks, foundations for temporary buildings and electrical substation;
  • LLDPE and LDPE Units
  • The morphology is mainly flat, except for very small gradients in delimited zones. Nonetheless, difference in surface elevation varies between EL + 5 m and EL + 6 m.

— Description of Services:

Geotechnical studies: review and the analysis of the topographic, geological and geotechnical data, the design and follow up of a new site investigation campaign (Technical supervision), the editing of a geotechnical report relevant to the USGTL area, valid for the Pre-FEED phase of the project, providing preliminary recommendations for foundations, based on the whole set of available site investigations and finally the editing of a Interpretative Report based on the results of all the investigations carried out that includes the evaluation of ground conditions and main geo-hazards, recommendations for site preparation and ground improvement options, determination of finished grade level and development of storm water drainage concept to prevent flooding, recommendations for shallow foundation and piles foundations.

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