Rig Moving

Marine Warranty Survey (MWS)

• Review and approval of intended rig locations and rig move procedures – both semi-subs and jack-ups
• Engineering review of technical documentation e.g. mooring analysis, leg penetration analysis (LPA), SSA, sea-fastening, leg bending and cribbing for dry transports
• MWS site attendance for rig moves – in accordance with JRC guidelines
• MWS suitability inspections and approval of supporting vessels
• Approval of 3^rd party or in-house tow masters

Marine and Engineering Consultancy Services

• Production and/or review of marine procedures in line with latest industry guidance
• Planning and/or supervision of rig move operations as tow master or company representative
• All aspects of towage planning including procedure development, tow resistance calculations, stability and motion response analysis and tow vessel surveys
• Site-specific assessments to SNAME or ISO19905
• Production of technical analyses and studies, including mooring analysis, jack-up rig footing penetration/punch through analysis, dry transport engineering, environmental or metocean studies and rig feasibility studies
• Offshore vessel / tug suitability and condition surveys
• Risk assessments
• Gap analysis e.g. ERRV requirements when moving from UK to Norway.

In addition to the rig location & move services LOC has the expertise to support a wide range of the other services during the whole life cycle of rigs and MODUs including:

• Condition and valuation surveys
• Reactivation surveys
• Damage surveys
• Incident investigations
• Marine and engineering services for conversions and upgrades of rigs and MOPUs
• Demolition voyage surveys and assessments
• Full range of DP services including FMEA production, annual trials, production of ASOG’s etc.