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Mercury Engineering Improves Design & Construction Efficiency By Integrating CAD A As-built Point Cloud Data

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IDENTIFYING GOALS

Mercury Engineering was contracted to upgrade an existing process plant located near to Groningen, in the Netherlands.
The project scope was the design of a new process plant with product pipelines that needed to connect into an existing facility. To achieve this, it was necessary to route the new pipelines along an existing pipe bridge, and across the roof of the existing structure and into a new building.


The main goal of the project was to shorten the project schedule by maximising the amount of piping pre-fabrication that could be completed off-site before piping installation was performed on-site. To meet this goal, and ensure that the new piping would fit when erected, Mercury Engineering needed as-built information of the existing facility.

OVERCOMING CHALLENGES
Unfortunately existing as-built information was lacking, therefore the initial challenge was how to capture the as-built situation quickly and accurately. To ensure successful on-time project delivery, Mercury Engineering determined that it would be necessary to laser scan the existing building, roof space, and pipe bridge. This would provide an accurate design basis for the new pipe routes and tie-ins that had to be designed. Having this information available would also help to ensure and guarantee that the new piping would fit on the pipe bridge and could be constructed inside the existing building without clashing.

Particular attention was paid to the tie-in points, and extra scans were done in these areas to ensure that enough detail was captured to accurately design the tie-ins. After this, Leica CloudWorx in combination with CADWorx Plant Professional was used to manipulate the piping route to match the scanned as-built positions of the new tie-ins and to accurately design them. Visualisation of the pipe bridge inside the CAD system helped to identify space for the new pipelines, enabling them to be routed easily alongside other existing services, which made connecting the old and new building seamless.

The pipework installation was detailed before the new building was constructed. As the building was being erected and took shape, it was laser scanned, and the new point clouds were integrated with CADWorx Plant Professional. Using CloudWorx in combination with CADWorx, Mercury Engineering was able to make minor modifications to the pipework as the project was on-going, to align the routings and to make changes to the overall design to reflect the changing as-built condition of the new building.

This additional site-check increased confidence in the accuracy of the isometrics issued to the fabrication workshop, which were auto-generated via Isogen directly from the CADWorx design model. In doing so, Mercury Engineering ensured that the piping would fit first time, and avoided unnecessary fabrication rework on-site, helping to keep the project schedule on-track.

REALISING RESULTS

For this project, Mercury Engineering needed a solution that was able to detail mechanical, electrical, and HVAC (heating, ventilation and air conditioning) design as well as produce trusted, high-quality, industry standard piping isometrics. The company selected Intergraph CADWorx Plant Professional due to this breadth of modelling capabilities, cost-effectiveness, and its ability to produce 2D deliverables in DWG formats. Another key reason was the short learning curve and ease of use – Mercury’s staff new to the product required only 3 days of training before they were productive. In addition, Mercury Engineering was already familiar with the ease-of-use of CADWorx solutions as the company’s BIM (Building Information Modelling) group has successfully used the solution for over three years.

Additionally, Mercury had previously developed industry-specific CADWorx format catalogue and specification content for other projects, which included their SAP part coding. Due to this, Mercury were also able to accelerate their procurement process and take delivery of materials for the project using the material control (BOM) reports produced by Isogen.

Mercury Engineering received significant benefits from using Intergraph’s CADWorx solution on their project:

  • Schedule certainty due to ability to track progress better.
  • Ability to design and build Right First Time due to access to accurate as-built data inside the CAD environment.
  • Reduced labor onsite due to the ability to generate high quality isometrics, which helped to avoid the need for on-site fabrication.

MOVING FORWARD

Mercury Engineering uses CADWorx Plant Professional solutions to manage 3D graphical and material information. Currently, more than 1.48 terabytes of data is handled across their active projects. The company has 27 active users of the software working on 4 new projects currently.

Ciaran McCreary, 3D VC / BIM engineer at Mercury Engineering commented on the company’s experience of Intergraph
CADWorx tools: “We were very happy with the Intergraph staff who performed our training and implementation services. Using CADWorx tools enabled us to get started immediately – we were able to produce fabrication isometrics immediately after completing our coordination process.”

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Intergraph

The Intergraph CADWorx & Analysis Solutions enable design and engineering to share relevant information seamlessly, thereby maintaining accuracy and

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دسامبر 5th, 2016 | تعداد بازدید/35 views | دسته بندی : تازه ها
محمود رضا مرادی مهرآبادی

محمود رضا مرادی مهرآبادی

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