Our Surveyors have a wide range of knowledge of surveying techniques and considerable experience of surveying offshore platforms and onshore installations for the oil and gas industry. Projects undertaken have ranged from the measurement of individual spools to modeling of entire platforms. Our main area of expertise is in combining laser scanning with color photography, to produce High Dynamic Range coloured three-dimensional point clouds. Using these images, designers, engineers, project managers and construction coordinators can visualize exactly what is on the installation. Project teams rely on the precision of the survey data to fabricate items that will fit when installed, without clashes.
Our laser scans can be linked into a control network to provide a three-dimensional, geometrically accurate, model of an installation. Project teams are able to utilize these models to plan larger scopes of work that require construction across decks and between modules.
Our Surveyors can use their experience to advise clients on the most appropriate type of survey and the deliverables required for each scope of work. Before each survey the Surveyors will liaise with engineers to ensure the chosen solution is practical, and provides the required level of accuracy. Experienced in the use of the commonly used software applications, the team is able to deliver data, drawings and models that suit clients’ preferences.
Services include:
•Laser scanning
•Total station surveys
•Redline markups of isometric drawings
•Clash checking
•Plant Design Management System (PDMS) compatible coloured point clouds
•TruViews (freeware that enables 3D color images to be viewed and shared over the internet)
CSP Solar Field Quality Assurance MethodsKlaus Pottler
The construction of concentrating solar power plants (CSP, STE) require a high level of quality assurance to secure high energy output. These slides from the CSP PLAZA conference in Beijing in June 2015 describe appropriate quality measures especially for the buildup of parabolic trough solar fields.
Our Surveyors have a wide range of knowledge of surveying techniques and considerable experience of surveying offshore platforms and onshore installations for the oil and gas industry. Projects undertaken have ranged from the measurement of individual spools to modeling of entire platforms. Our main area of expertise is in combining laser scanning with color photography, to produce High Dynamic Range coloured three-dimensional point clouds. Using these images, designers, engineers, project managers and construction coordinators can visualize exactly what is on the installation. Project teams rely on the precision of the survey data to fabricate items that will fit when installed, without clashes.
Our laser scans can be linked into a control network to provide a three-dimensional, geometrically accurate, model of an installation. Project teams are able to utilize these models to plan larger scopes of work that require construction across decks and between modules.
Our Surveyors can use their experience to advise clients on the most appropriate type of survey and the deliverables required for each scope of work. Before each survey the Surveyors will liaise with engineers to ensure the chosen solution is practical, and provides the required level of accuracy. Experienced in the use of the commonly used software applications, the team is able to deliver data, drawings and models that suit clients’ preferences.
Services include:
•Laser scanning
•Total station surveys
•Redline markups of isometric drawings
•Clash checking
•Plant Design Management System (PDMS) compatible coloured point clouds
•TruViews (freeware that enables 3D color images to be viewed and shared over the internet)
CSP Solar Field Quality Assurance MethodsKlaus Pottler
The construction of concentrating solar power plants (CSP, STE) require a high level of quality assurance to secure high energy output. These slides from the CSP PLAZA conference in Beijing in June 2015 describe appropriate quality measures especially for the buildup of parabolic trough solar fields.
Laser scanning constitutes the deflection of laser beams. 3D Scanning involves the process of analyzing real-world objects for collecting data of shapes and appearance. The collected data is then used for constructing digital 3D Models, consisting of a polygon mesh or point cloud of geometric samples on the surface of the object.
https://www.tejjy.com/our-services/bim-services/3d-laser-scanning-services/
Three-dimensional (3D) laser scanning
uses light detection and ranging (LIDAR)
measurement techniques to quickly and
accurately collect data on the size and shape
of an object or environment. Through the
years, the cost to purchase and operate
stationary and mobile scanning has decreased
and is now changing the way 3D data is
captured and interpreted.
Visualizing the engineering project lifecycle - Unite CopenhagenUnity Technologies
From design to operations, visualization is a powerful tool to drive informed decision-making on major projects. Point clouds, virtual reality and mobile apps are combining to enable better outcomes throughout the engineering industry. Join this session led by Aurecon to learn how Unity can empower engineers to increase efficiency and realize value through every stage of the project lifecycle.
Speaker: Michael Gardiner - Aurecon
Session available here: https://youtu.be/dixtTbGcCFg
Delivering Asset Management for Infrastructure Projects by Liam Gallagher, Ja...AVEVA Group plc
How do you fully control and manage the development of the non-graphical engineering data connected to the physical assets? Liam Gallagher, Jacobs, discusses ‘Delivering Asset Management for Infrastructure Projects’ and how integrated AVEVA Technologies have enabled JACOBS to have a single source of truth for project data.
Discover how one of the world’s largest and most diverse providers of technical, professional, and construction services use AVEVA to transform their business. Visit www.aveva.com to get more information today.
FULL PROJECT MANAGEMENT AND CONSULTANCY
- Single-point responsibility;
- Improved schedule and performance;
- Cost control and value engineering;
- Enhanced client risk management;
- Coordination of global participation.
3D LASER SCANNING
- Consistent as-built documentation for CAD specifications of the plant layout;
- Monitoring installation behavior over time;
- Prefabrication purposes;
- Deformation analysis and 3D positioning.
CLASH DETECTION AND REPORTING
- Clash / Interference check between existing conditions and new designed elements.
DIMENSION CONTROL
- Dimensional assessments for installations, equipment's and structures;
- Correspondence check between CAD project and point clouds;
- Tank / vessel volumetric information;
3D MODELLING
- Complete 3D CAD models based on 3D point clouds.
2D DRAWINGS
- P&IDs, isometrics, sections, elevations, plans.
DATA CONVERSION
- Point clouds conversion to various data formats to meet client ’s requirements.
FULL PROJECT MANAGEMENT AND CONSULTANCY
- Single-point responsability;
- Improved schedule and performance;
- Cost control and value engineering;
- Enhanced client risk management;
- Coordination of global participation.
3D LASER SCANNING
- Consistent as-built documentation for CAD specifications of the plant layout;
- Monitoring installation behavior over time;
- Prefabrication purposes;
- Deformation analysis and tridimensional positioning.
CLASH DETECTION AND REPORTING
- Clash / Inter ference check between existing conditions and new designed elements.
DIMENSION CONTROL
- Dimensional assessments for installations, equipments and structures;
- Correspondence check between CAD project and point clouds;
- Tank / vessel volumetric information;
3D MODELLING
- Complete 3D CAD models based on 3D point clouds.
2D DRAWINGS
- P&IDs, isometrics, sections, elevations, plans.
DATA CONVERSION
- Point clouds conversion to various data formats to meet client ’s requirements.
FULL PROJECT MANAGEMENT AND CONSULTANCY
- Single-point responsability;
- Improved schedule and performance;
- Cost control and value engineering;
- Enhanced client risk management;
- Coordination of global participation.
3D LASER SCANNING
- Consistent as-built documentation for CAD specifications of the plant layout;
- Monitoring installation behavior over time;
- Prefabrication purposes;
- Deformation analysis and tridimensional positioning.
CLASH DETECTION AND REPORTING
- Clash / Inter ference check between existing conditions and new designed elements.
DIMENSION CONTROL
- Dimensional assessments for installations, equipments and structures;
- Correspondence check between CAD project and point clouds;
- Tank / vessel volumetric information;
3D MODELLING
- Complete 3D CAD models based on 3D point clouds.
2D DRAWINGS
- P&IDs, isometrics, sections, elevations, plans.
DATA CONVERSION
- Point clouds conversion to various data formats to meet client ’s requirements.
Laser scanning constitutes the deflection of laser beams. 3D Scanning involves the process of analyzing real-world objects for collecting data of shapes and appearance. The collected data is then used for constructing digital 3D Models, consisting of a polygon mesh or point cloud of geometric samples on the surface of the object.
https://www.tejjy.com/our-services/bim-services/3d-laser-scanning-services/
Three-dimensional (3D) laser scanning
uses light detection and ranging (LIDAR)
measurement techniques to quickly and
accurately collect data on the size and shape
of an object or environment. Through the
years, the cost to purchase and operate
stationary and mobile scanning has decreased
and is now changing the way 3D data is
captured and interpreted.
Visualizing the engineering project lifecycle - Unite CopenhagenUnity Technologies
From design to operations, visualization is a powerful tool to drive informed decision-making on major projects. Point clouds, virtual reality and mobile apps are combining to enable better outcomes throughout the engineering industry. Join this session led by Aurecon to learn how Unity can empower engineers to increase efficiency and realize value through every stage of the project lifecycle.
Speaker: Michael Gardiner - Aurecon
Session available here: https://youtu.be/dixtTbGcCFg
Delivering Asset Management for Infrastructure Projects by Liam Gallagher, Ja...AVEVA Group plc
How do you fully control and manage the development of the non-graphical engineering data connected to the physical assets? Liam Gallagher, Jacobs, discusses ‘Delivering Asset Management for Infrastructure Projects’ and how integrated AVEVA Technologies have enabled JACOBS to have a single source of truth for project data.
Discover how one of the world’s largest and most diverse providers of technical, professional, and construction services use AVEVA to transform their business. Visit www.aveva.com to get more information today.
FULL PROJECT MANAGEMENT AND CONSULTANCY
- Single-point responsibility;
- Improved schedule and performance;
- Cost control and value engineering;
- Enhanced client risk management;
- Coordination of global participation.
3D LASER SCANNING
- Consistent as-built documentation for CAD specifications of the plant layout;
- Monitoring installation behavior over time;
- Prefabrication purposes;
- Deformation analysis and 3D positioning.
CLASH DETECTION AND REPORTING
- Clash / Interference check between existing conditions and new designed elements.
DIMENSION CONTROL
- Dimensional assessments for installations, equipment's and structures;
- Correspondence check between CAD project and point clouds;
- Tank / vessel volumetric information;
3D MODELLING
- Complete 3D CAD models based on 3D point clouds.
2D DRAWINGS
- P&IDs, isometrics, sections, elevations, plans.
DATA CONVERSION
- Point clouds conversion to various data formats to meet client ’s requirements.
FULL PROJECT MANAGEMENT AND CONSULTANCY
- Single-point responsability;
- Improved schedule and performance;
- Cost control and value engineering;
- Enhanced client risk management;
- Coordination of global participation.
3D LASER SCANNING
- Consistent as-built documentation for CAD specifications of the plant layout;
- Monitoring installation behavior over time;
- Prefabrication purposes;
- Deformation analysis and tridimensional positioning.
CLASH DETECTION AND REPORTING
- Clash / Inter ference check between existing conditions and new designed elements.
DIMENSION CONTROL
- Dimensional assessments for installations, equipments and structures;
- Correspondence check between CAD project and point clouds;
- Tank / vessel volumetric information;
3D MODELLING
- Complete 3D CAD models based on 3D point clouds.
2D DRAWINGS
- P&IDs, isometrics, sections, elevations, plans.
DATA CONVERSION
- Point clouds conversion to various data formats to meet client ’s requirements.
FULL PROJECT MANAGEMENT AND CONSULTANCY
- Single-point responsability;
- Improved schedule and performance;
- Cost control and value engineering;
- Enhanced client risk management;
- Coordination of global participation.
3D LASER SCANNING
- Consistent as-built documentation for CAD specifications of the plant layout;
- Monitoring installation behavior over time;
- Prefabrication purposes;
- Deformation analysis and tridimensional positioning.
CLASH DETECTION AND REPORTING
- Clash / Inter ference check between existing conditions and new designed elements.
DIMENSION CONTROL
- Dimensional assessments for installations, equipments and structures;
- Correspondence check between CAD project and point clouds;
- Tank / vessel volumetric information;
3D MODELLING
- Complete 3D CAD models based on 3D point clouds.
2D DRAWINGS
- P&IDs, isometrics, sections, elevations, plans.
DATA CONVERSION
- Point clouds conversion to various data formats to meet client ’s requirements.
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
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Water scarcity is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical. The other is economic water scarcity.
CFD Simulation of By-pass Flow in a HRSG module by R&R Consult.pptxR&R Consult
CFD analysis is incredibly effective at solving mysteries and improving the performance of complex systems!
Here's a great example: At a large natural gas-fired power plant, where they use waste heat to generate steam and energy, they were puzzled that their boiler wasn't producing as much steam as expected.
R&R and Tetra Engineering Group Inc. were asked to solve the issue with reduced steam production.
An inspection had shown that a significant amount of hot flue gas was bypassing the boiler tubes, where the heat was supposed to be transferred.
R&R Consult conducted a CFD analysis, which revealed that 6.3% of the flue gas was bypassing the boiler tubes without transferring heat. The analysis also showed that the flue gas was instead being directed along the sides of the boiler and between the modules that were supposed to capture the heat. This was the cause of the reduced performance.
Based on our results, Tetra Engineering installed covering plates to reduce the bypass flow. This improved the boiler's performance and increased electricity production.
It is always satisfying when we can help solve complex challenges like this. Do your systems also need a check-up or optimization? Give us a call!
Work done in cooperation with James Malloy and David Moelling from Tetra Engineering.
More examples of our work https://www.r-r-consult.dk/en/cases-en/
Hierarchical Digital Twin of a Naval Power SystemKerry Sado
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.
Saudi Arabia stands as a titan in the global energy landscape, renowned for its abundant oil and gas resources. It's the largest exporter of petroleum and holds some of the world's most significant reserves. Let's delve into the top 10 oil and gas projects shaping Saudi Arabia's energy future in 2024.
3. 3 www.woodgroupodl.com
Dimensional control surveying is the technique and science whereby 3-dimensional spaces are
accurately measured to determine the area between points, creating digitally mapped distances
and angles.
Dimensional control can be defined as the process of acquiring extremely accurate dimensional
documentation that is spatially referenced to a known or established benchmark. Using the
latest survey technology, Surveyors can measure and produce 3d Cad models from single pipe
spool replacements to full FPSO/Jacket construction surveys.
The captured data can be transformed to a clients preferred format, offering quick and easy
data evaluation and problem checking. As we offer a full draughting service, we can provide full
3D models using Micro-station, 2D drawings or Point Cloud data from our Laser Scanners.
What are Dimensional Control Surveys?
4. 4 www.woodgroupodl.com
Your Challenges- Lack of knowledge of installation, clear visibility, little or no accurate data
The Benefits - Preventing failures to fit, clash free installations, client owned reusable data,
asset integrity, familiarisation, HSE, accurate repairs, upgrades and maintenance etc.
Reduce Costs – cost effective, multi use data, such as construction planning, reduce “hot-
work”, increase in safety, reduce on site material handling, “Zero failures to fit”. Reduce the
number of offshore visits
Dimensional Control can meet these challenges and help ensure "clash-free" design and
installation of projects involving piping, structural and equipment that must integrate and “fit first
time”.
Fabric & Maintenance, HSE, Familiarisation & Induction, Training, Emergency Response
Why use Dimensional Control Surveys?
5. 5 www.woodgroupodl.com
Who are we?
• Global Leaders in Dimensional Control
• Providing High-Quality, Cutting Edge Surveys to Suit Every Client's Unique
Requirements
• Zero Failures to Fit
6. 6 www.woodgroupodl.com
Introduction
Wood Group ODL Dimensional Control Surveys provide cost effective dimensional control
services to the Oil & Gas Industry:
A Global team of experienced surveyors – using proven technology
Considerable experience of surveying offshore platforms and onshore installations for the oil
and gas industry
Precision survey data to fabricate items that fit when installed, without clashes
7. 7 www.woodgroupodl.com
Why are we the best choice?
• Access to surveyors by BG project teams
• Ease of sharing data
• Communication and responsiveness
• Leading technologies on the market
• Highly qualified team of surveyors
• Output customized to customer needs
8. 8 www.woodgroupodl.com
How do we capture the data?
Laser scanner – uses
controlled steering of laser
beams followed by a
distance measurement at
every pointing direction, to
capture the shape of
objects, buildings and
landscapes. Captures large
amount of spatial data in
short period of time.
Total station – a theodolite
integrated with an
electronic distance meter to
read distances from the
instrument to a particular
point with the highest
accuracy. Used for small,
high accuracy tasks (e.g.
tie point surveys)
Camera with a fisheye lens
on a panoramic bracket –
used to capture a complete
panoramic view from each
scan position. The image
can be integrated with laser
scans. Used to produce
highest quality Truviews.
9. 9 www.woodgroupodl.com
What do we offer?
• Clear, high-resolution pictures of as-built
installations
• Accurate measurements to plan and design tie-
ins
• Visualization of potential clashes
• Re-usable surveys
• Flexibility to change scope
• Truview panoramas, available for everyone as
freeware
• Integration with PDMS, AutoCAD, Microstation
and Navisworks
10. 10 www.woodgroupodl.com
Complete installations surveys
A laser scanner can produce 3D point cloud models that can be used for multiple purposes:
• New design planning
• Clash detection
• Tie point information
• Decommissioning
11. 11 www.woodgroupodl.com
Whole-life Asset Support
Government Negotiations Seismic Assessment Exploration / Appraisal Drilling Development Project Operation (Production) Downstream Decommissioning Relinquish License
LogisticsProduction FacilitiesDrillingWells / Drilling ManagementReservoir and Production
Development Project Operations Maintenance Modifications Downstream Decommissioning
Operating Profit
Development Costs
Brownfield Activity
Wood Group PSN Core Services
Supporting your asset throughout its life – from fabrication to decommissioning
12. 12 www.woodgroupodl.com
Our Services include
Laser
scanning
Total
Station
surveys
Redline mark-ups of
isometric drawings
Plant Design Management System
(PDMS) compatible coloured point
clouds
TruViews
(freeware that enables 3D
colour images to be viewed
and shared over the
internet)
Clash
checking
CAD
Modelling
Navisworks ready
data
13. 13 www.woodgroupodl.com
Why Wood Group ODL?
The Wood Group ODL approach adds value to our clients:
• Experienced and Competent team (Fully qualified surveyors,
whether single or two man projects)
• Good Track Record/Customer Satisfaction
• Growing team to meet client needs, increase availability and
reduce response time
• Internal structured training and development programme
• Continual upgrade of software and techniques
• Wide range of tailored survey types
• (from total station measurement of single spools to full colour laser scans)
• Multitude of Applications
• (walk through, design, asset integrity, site training, briefings before mobilisation etc.)
• Dual benefit - Photos taken when scanning can also be used to
produce high-resolution 360 degree panoramas, adding value
and eliminating duplication of efforts, and the use of two
providers!
• Level of Design Accuracy (1-2mm)
• No failure to fit
• Competitive pricing
14. 14 www.woodgroupodl.com
Innovation and Development of New Services
• Close links with industry:
• Test latest technology
• Only adopt if it provides additional benefits
• Manage scan data from all sources
• Enable project team, ops, construction etc to
have access to most recent scan data
• Asset management
• Use scan data as portal for:
• Maintenance information
• Asset integrity
• Web-based to allow widespread access
• Condition monitoring
• Respond to customer requirements
15. 15 www.woodgroupodl.com
Laser Scanning and It’s Benefits
• Scanning is used to measure surfaces and record spatial relationships
• Requires line of sight, but you can perform and combine multiple scans to record subjects
more fully
• Laser Scanners create three dimensional point clouds representing an object’s surface,
automatically, systematically and at high speed
16. 16 www.woodgroupodl.com
• 3D measurements of distances and volumes
• Clash detection
• Design visualisations
Manipulation of the Point Cloud
20. 20 www.woodgroupodl.com
Project example: Lifeboats Replacement
• Client looking to procure new, larger lifeboats
• Davits surveyed offshore
• Lifeboat surveyed onshore
• Survey data overlaid and checked for clashes
• Proposed lifeboat is too large – client now able to look
for an alternative solution
24. 24 www.woodgroupodl.com
Truview: access to scans for everyone
Truview is a panoramic view of the scene, which can be used by anyone who has Internet
Explorer. A plugin which enables this functionality is available for free. No extra software or training
is required in order to view the data.
26. 26 www.woodgroupodl.com
How do we work?
The scheme below shows the usual workflow of a typical project:
Survey
request
from Client
Surveyor
allocated to
job
Surveyor
discusses
requirement
s with Client
Finalise scope
of work,
survey method
and
deliverables
Prepare kit
for air freight
or despatch
by boat
Mobilise.
Complete site
inductions and
obtain permit
to work
Perform the
survey
Return to
office,
process data
Final scans,
models and
drawings
delivered to
Client
28. 28 www.woodgroupodl.com
Proposed Dimensional Control Pilot Survey
• Proposed Pilot – what are your challenges? We will pilot the survey to give the best
results to address the current issues you have. We would suggest consideration is given
to any new equipment installation, such as, skids, pumps, pipes etc.
• Duration- we would suggest 2 weeks on the facility
• Team – this would be a two man team on site working 12 hour shifts
• Outputs - we will produce a full colour 3D virtual model of the facility, TruViews and
drawings/redline mark-ups.
30. 30 www.woodgroupodl.com
List of Survey Equipment Required
The following equipment will be required for the duration of this survey,
and will be shipped to the platform prior to the survey. Upon completion
of the offshore survey the equipment will be returned to the ODL office
in Aberdeen:
31. 31 www.woodgroupodl.com
To be hand-carried by surveyors:
• Dell Precision Laptop
• Olympus TG1 camera
• Tape measure & steel rule
• PPE bag
32. 32 www.woodgroupodl.com
Clarifications
1) What is the accuracy of the scanned model?
Laser scanning is normally undertaken within 10m of the equipment being scanned, and for such close-range scans dimensional
accuracy is 1mm.
2) What info you need from client before scanning team goes to site? Is it drawings, P&IDs and what else?
As a minimum we require isometric drawings, plot plans and GA drawings. If site photographs are available they are useful to plan the
positions for each scan and are useful for site familiarisation before mobilising.
3) Time taken to complete site job for a medium size plant (150 equipment, structures, racks and around 4000 lines).
To provide an accurate response we would need to know the size, layout, and complexity of the plant, but, depending on the scope, it is
likely to require 2 surveyors for anything from 1 week to 1 month.
4) What equipment is required for “Laser Scanning”?
For this job, 2 full sets of survey equipment will be required. See Attachment 1.
5) Is this equipment safe to use? Can people work during “Laser Scanning” in the plant?
People can work in the plant, provided they do not come between the scanner and the area being scanned. The area being scanned will
be barriered-off as part of the team’s standard working practices, to ensure scanning data is not lost due to people walking in front of the
scanner as it is taking measurements.
The specific safety measures for the laser survey equipment we use are as follows:
33. 33 www.woodgroupodl.com
Clarifications
LASER SAFETY – HDS6200:
The HDS6200 laser scanner has the following laser classification:
o Laser Class 3R
For Class 3R laser products direct intrabeam viewing should be considered as hazardous, and direct eye exposure is to be avoided.
Note that the risk of injury is limited significantly for the HDS6200 as follows:
o Unintentional exposure would rarely reflect worst case conditions of beam alignment with the pupil,
o There is an inherent safety margin in the maximum permissible exposure to laser radiation,
o The natural aversion behaviour for exposure to bright light in the case of visible radiation
o Wearing safety glasses to provide complete protection from the laser beam
All laser surveys are conducted under a permit-to-work, with the area being surveyed barriered-off to prevent personnel from walking in
front of the laser beams.
o The equipment is not intrinsically safe and a gas monitor is required to be carried at all times.
o Batteries are not to be changed in a hazardous environment.
34. 34 www.woodgroupodl.com
LASER SAFETY – TOTAL STATIONS:
The TS11 and TCRP1201+ total stations both have the following laser classifications:
o Laser Class 1 for measurements with reflectors
o Laser Class 3R for measurements without reflectors
o Laser Class 2 for plummet (laser beam points directly at ground level)
Class 1 laser products are not harmful to the eyes provided they are used in accordance with the manufacturer’s instructions.
For Class 3R laser products direct intrabeam viewing should be considered as hazardous, and direct eye exposure is to be avoided.
Note that the risk of injury is limited signkificantly for either model of Total Station, as follows:
o Unintentional exposure would rarely reflect worst case conditions of beam alignment with the pupil,
o There is an inherent safety margin in the maximum permissible exposure to laser radiation,
o The natural aversion behaviour for exposure to bright light in the case of visible radiation
o Wearing safety glasses to provide complete protection from the laser beam
Class 2 laser products are safe for momentary exposures, but can be hazardous for deliberate staring into the beam. The beam is not to
be pointed at others.
All surveys are conducted under a permit-to-work, with the area being surveyed barriered-off to prevent personnel from walking in front
of the laser beams.
o The equipment is not intrinsically safe and a gas monitor is required to be carried at all times.
o Batteries are not to be changed in a hazardous environment.
35. 35 www.woodgroupodl.com
6) Is this equipment approved from Security authorities in UAE?
Yes
7) How much manpower (Number of personnel at site) is required to complete scanning of a medium size plant?
surveyors should be sufficient
8) How do you transform a simple model (scan from site) into an intelligent model; whereby lines have numbers; valves, inline items and
equipment have tags; parameters associated with lines and equipment can be read such as temperatures, pressures, materials and all
sort of info.
This is not common practice for the team, but can be delivered via a partner company.
9) To make the basic/simple model smart, what inputs from client are needed?
P and IDs are sufficient.
10) Is special software needed to see this model? Can this model be migrated to SP3D? Can this model be part of existing SP3D model?
The Cyclone or LFM software that we use to deliver point-cloud databases are both compatible with Smart Plant.
11) If not then do client need other software to edit the model?
What about all the 3D model benefits such as walkthroughs, searching for one line or inline item, measuring distance, seeing sections,
creating layouts, generating isos, bill of materials, list of valves, list of lines with some specific parameters (such as area numbers,
material class, service, size etc.)
Walkthroughs, searching for items and measuring distance can be undertaken using the free Internet Explorer plug-in provided by Leica
Geosystems called TruView.
The databases will be supplied in either Cyclone or LFM format to suit your existing preference and either of these software formats can
be used to measure distances accurately, producing sections of the model, and generating isometric drawings.
The bill of materials, list of valves, and list of lines with specific parameters will require a program such as SP3D.
12) Are high capacity machines needed to view the scanned models?
TruViews can be viewed on standard machines that can access Internet Explorer. High specification CAD machines with 16GB or more
of RAM, and suitable graphics cards are required for viewing and accessing point cloud databases.
Editor's Notes
AIM
The aim of this session is to understand the issues you are currently facing and to see how Spatial Solutions can help you out with the services we can provide.
First, an overview of who we are. Our surveyors all have considerable surveying experience and spend roughly half their time on various North Sea platforms conducting surveys typically for:
Scanning for repair orders – such as replacement of lifex spools
Scanning modules for clash checking
Scanning of whole deck, or even platform to assist with decommissioning, and establishing components on proposed cut lines.
Depending on the circumstances of the job, one or both of these survey methods are used:
High definition full-colour 3-dimensional laser scans
Total station IR surveys
I’ll come back to this again, as matching survey types to meet the needs of the job is a vital point of what we can offer.
Deliverables can be matched to meet clients’ particular requirements, and I’ll go through some examples later in the presentation.
On receipt of a survey request we try wherever possible to appoint a surveyor for the duration of the job. He will discuss the job in detail with the engineers and designers before going offshore, and will advise on the most suitable method and deliverables required. Throughout the survey and data-processing the project team have a single point of contact to discuss progress, or any particular details of the job. We think this helps build good working relationships and helps us understand our client’s needs better.
This slide shows a typical project timeline, the area highlighted in red shows what area our Dimensional Control survey team can work and add value
We add value, we are experienced , we are growing, we invest in our people and technology. Numerous applications . High level of design accuracy, zero failures to fit
The aim of this session is to understand the issues you are currently facing and to see how Spatial Solutions can help you out with the services we can provide.
First, an overview of who we are. Our surveyors all have considerable surveying experience and spend roughly half their time on various North Sea platforms conducting surveys typically for:
Scanning for repair orders – such as replacement of lifex spools
Scanning modules for clash checking
Scanning of whole deck, or even platform to assist with decommissioning, and establishing components on proposed cut lines.
Depending on the circumstances of the job, one or both of these survey methods are used:
High definition full-colour 3-dimensional laser scans
Total station IR surveys
I’ll come back to this again, as matching survey types to meet the needs of the job is a vital point of what we can offer.
Deliverables can be matched to meet clients’ particular requirements, and I’ll go through some examples later in the presentation.
On receipt of a survey request we try wherever possible to appoint a surveyor for the duration of the job. He will discuss the job in detail with the engineers and designers before going offshore, and will advise on the most suitable method and deliverables required. Throughout the survey and data-processing the project team have a single point of contact to discuss progress, or any particular details of the job. We think this helps build good working relationships and helps us understand our client’s needs better.
We have close links with industry, we test new technologies and only roll out if it works, use the scan data as part of your asset management programme. We are responsive to our customers needs
Laser Scanners create three dimensional point clouds representing an object’s surface, automatically, systematically and at high speed
Scanning is used to measure surfaces and record spatial relationships
Requires line of sight, but you can perform and combine multiple scans to record subjects more fully
We can manipulate the point cloud giving
3D measurements of distances and volumes
Clash detection
Design visualisations
This slide shows the high level of detail we can deliver
The image on the right shows the flange and bolt hole rotation, we use the laser scan to get this detailed and accurate information.
The image on the left shows how a pipe spool can be modelled from the point cloud survey data.
This walk through shows the proposed installation of a new pipe/spool , this the green pipe, this also gives a visual of access information and detail
On this project the lifeboats were scanned onshore and the point cloud was over layed on a scan of the platform to see of the new lifeboat would fit the existing structure. As it happened it did not and modifications were made, think what this would have cost had we not been asked to carry out the surveys!
This shows red line mark ups that we can produce for you, you would use these for accurate fabrication.
We can carry out topographical surveys, these are ideal for routing onshore pipelines or for processing plants
This image shows a typical example of how we deliver TruView. TruView is a software package that allows you to view scanned survey data on a web browser
This image shows the various stages of modelling from mono to colour outputs
Thank you for your time, I am happy to take any questions