Iwaki Platform Decommissioning Project

Immediate Client Name:  SapuraAcergy Sdn Bhd

Ultimate Client:  Nippon Steel Engineering

Platform Location:  Iwaki Field, Offshore Naraha Cho, Fukushima prefecture, Japan
Water Depth:  154m

The first part of the scope consists of the jacket analysis to determine the cutting sequence, lifting and topplling on to the seabed for decommissioning by SapuraAcergy's S3000 derrick barge.  Deliverable was jacket analysis report.

The second part of the scope consists of rigging analysis and design, and preparation of rigging material requisition report for 16 topside modules for the decommissioning of the platform topsides by SapuraAcergy's S3000 derrick barge.  The lift weights of the modules, components and MSF range from less than 10MT to 1,076MT.  Deliverables include rigging design report, rigging arrangment drawings, and rigging material requisition report.  The rigging analysis and design was performed using an in-house developed software