3D Modelling & Design of Loading Station Access Platform

Tech27 Systems Ltd was asked to perform a feasibility study and design of a new hose access platform on a loading station for a drilling contractor on one of their offshore installations. The goal was to produce a laser survey, which showed detailed measurement and also perform analysis to determine if the existing structure could accommodate the proposed new access platform.

3D Modelling Design

Solution

Tech27 Systems Ltd successfully modelled the area showing all available data which then allowed analysis to be accurately recorded. As a result of the successful detailed study and FEA analysis budgets were allocated for future fabrication.

Outcome

Project highlights:

  • The project was completed ahead of schedule and on budget.
  • Different scenarios and load bearing capacities were simulated.
  • New design decreased hose connection time and overall productivity.
  • Vessel waiting time was minimised.
  • Improved Health and Safety.
  • Stopped harmful discharge overboard from disconnected hoses.

Column Access Platform Modifications

Tech27 Systems Ltd was asked to complete a 3D laser scan of an existing access platform that required modifications, within the column on a rig for a leading offshore drilling contractor. The new platform design should be foldable for easy movement of tools and equipment inside the column.

Study on Platform Modifications

Solution

Tech27 Systems were successfully able to complete the design engineering services required to fabricate the access platform, supplying detailed study, analysis & fabrication drawings of each phase.

Outcome

Project Highlights:

  • Compact scanner allowed easy transportation and movement throughout the restricting environment inside columns.
  • Reduced time on-site for inspection.
  • Data from every area of column is collected at +/-2mm ensuring exact surrounds are documented, allowing for precise-fit-off-site-assembly.
  • Clash detection allowed us to determine suitability with existing conditions before construction commences, resulting in reduced impact time, error and cost.
  • FEA analysis allowed us to simulate loads on the platform, indicating stress levels for maximum and minimum tolerances.
  • Created as-built fabrication drawings where none existed.
  • Visualised and communicated concept design accurately.

Structural Verification for LARS, Winch & Container Loading

Tech27 Systems Ltd was asked to complete a 3D laser scan on the main deck of a rig in order to perform Finite Element Analysis (FEA) where FCV600 LARS (Launch and Recovery System), winch and containers are to be mounted for a drilling contractor on one of their rigs in the North Sea. The goal was to produce a 3D Model and suitability check for structural verification for LARS on the installation.

Structural Verification of Lars

Solution

Tech27 Systems Ltd successfully modeled the area showing all available data which then allowed analysis to be accurately recorded showing high deflections. From the analysis of the deck structure it was determined that the structure was able to support the loads of LARS, winch and containers, maximum deflection was found towards one end of the container which could be minimized if placed above a specified deck beam. As a result of the detailed study we were able to assist in the planning and placement operations, ensuring that both the time and safety risk imposed was reduced significantly.

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