In Naval architecture and marine engineering, 3D documentation is used to support design, construction and new system installations on-board vessels. It provides designers and planners a helpful tool for collecting accurate documentation to create 3D models of the actual vessel configuration.
Laser scanning adds great and easy flexibility, with millimeter precision space and surface geometry, to prepare and plan designs in a digital twin.
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Panama Anchorages (Balboa and Cristobal) provide opportunities prior or after Panama Canal Transit to carry on an Effective 3D scanning by 24marine.com experts.
The transit waiting time average from 2 to 4 days, a time that can be effectively used for preparations for Ballast Water Treatment retrofit, also for EGCS (Scrubber) retrofit, using Laser Scanners.
The professional team Scanning crew, Modelers, Engineers, and Naval Architects, are ready to take any 3D laser scanning projects.
Using State of the art equipment from Faro and Zoller + Fröhlich, we can provide 3D scanning service for Vessels, able to deliver Raw data, Pre-registered, Registered and Modelled, as requested.
Laser scanning can often be done while the ship is at the anchorage and operations, the technique is very comprehensive and precise compared to hand measurements and reduces or eliminates the need for follow-up site visits.
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IHM is a list that provides ship-specific information on the actual hazardous materials present on board, their location, and approximate quantities onboard vessels.
The purpose of an IHM survey is to provide ship owners, managing agents, crews, engineers, and workers with a management report of all the hazardous materials which, are on-board the vessel.
The main materials that the IHM survey covers:
The IHM has the following parts:
The IHM Part I shall be prepared and certified for new ships and ships in operation and shall be maintained and kept up to date during the operational life of the ship, while the IHM Part II & III are only required to be prepared when the ship is decided to be sent for recycling. For the preparation of IHM Part I, hazardous materials set out in appendix 1 and 2 of the HKC or Annex I and II of the EU SRR shall be investigated.
The picture below shows part I, part II and part III.
IHM Part I for new ships should be developed at the design and construction stage based on suppliers’ declarations on the hazardous material content of the products. The determination of hazardous materials present on board existing ships should, as far as practicable, be conducted as prescribed for new ships. Alternatively, in the case where documentation is not available, samples shall be taken from the ships to investigate the hazardous materials.
For new ships, all the hazardous materials listed in Appendix 1 & 2 or Annex I & II shall be investigated, while for ships in operation Appendix 1 / Annex I is a must, and Appendix 2 / Annex II is to be investigated as far as practicable.
There are two main legislations with respect to ship recycling in the market, one is IMO Hong Kong Convention (HKC) SR/CONF/45 and the other one is the EU Ship Recycling Regulation (EU SRR) EC No 1257/2013. HKC has in total of 6 guidelines and MEPC.269(68) is the guidelines for the development of the inventory of hazardous materials (IHM) under IMO.
The Hong Kong Convention:
It will enter into force 24 months after the date on which the following conditions are met:
The entry into force conditions of HKC is not met yet (Aug 2020) and its compliance is on a voluntary basis.
HKC will apply to ships, operating in the marine environment, which is equal to or above 500 GT. Navy ships and domestic ships are excluded from the scope.
According to the EU Ship Recycling Regulations:
“New ship” means a ship for which either:
Every vessel or offshore installation, no matter the size and type, has a high potential accident opportunity. While the seaman, surveyors, contractors may be experts in one area, they may not be fully aware of the dangers and potential accidents that can happen onboard.
We in 24marine strongly believe that virtual reality can contribute to decrease the number of preventable accidents and bring a new dimension of details on the survey reporting systems. It has the potential to document conditions, detect failures, perform tests, and save lives in the long-term.
In the video below 24marine team conducted a Virtual Reality Survey on a Cargo Hold, using Enterprise Level Drones and Virtual Reality post-processing referring the spaces to the vessel drawings. To navigate virtually inside the cargo hold, please click on this link http://www.24marine.com/vrcargohold/
The virtual replication of the surveys spaces allows decision makers to assess the survey areas, in details and without risking any life, a part of introducing big savings on scaffolding, equipment and preparation time. Below a summary of benefits of using virtual reality in cargo hold and confined spaces onboard ships:
The motion capabilities by ROVs provides new possibilities in surveying methodology not capable by other deep-water (>30 m) or video-based survey techniques. ROV-based sampling strategies often reflected the aims of the study, which could be classified into six major types (Study at the University of Tasmania, Australia https://www.utas.edu.au/):
ROV can make fish react in different ways, (attraction or avoidance). Studies suggest that most species (68%) behaved neutrally towards the vehicles. But the other 32% Responses to ROV are related to the following factors:
During Fish Census apart from the Size and Number the most important factor to check is fish health.
ROV surveys allow for systematic inspection of the sampling area. It is potentially useful where rapid assessments of species diversity within a complex habitat are required.
For more information please go to http://www.24marine.com/, and for many articles check www.fisheries.noaa.gov
During 2019 and 2020, many Class Societies have developed guidelines for Remote Inspection Techniques (RIT) using Unmanned Vehicles as Drones and ROV, in order to assess the conditions of the ship and perform hull conditions surveys with reduced human exposure and lower cost.
IACS 42 (Guidelines for RIT), shows the details and recommendations for this type of survey, mainly focus on close-up surveys and gauging.
The drone inspection is definitely a way to save time and money and to enhance SURVEYORS safety, as many of the inspected areas are high risk and difficult to access safely. With SMART SURVEY system, our marine surveyors never have to risk their lives by climbing to high places or be exposed to hostile conditions to conduct surveys.
The maritime industry has the main focus on the capabilities of Unmanned Vehicles to access and navigate the survey areas. In 24marine we have managed to adapt our Vehicles to be able to confirm whether or not the structure contains defects, such as corrosion, pitting, cracking, buckling, or coating breakdown. In the video below, see our vehicles in actions:
Here a summary of benefits of RIT with drones:
Over 40% of all P&I claims are due to damaged cargo caused by water ingress via the hatch covers. This represents more than USD 40 millions of damaged cargo yearly.
The main cause of cargo damage is non-watertight hatch covers. Cargo damage due to water ingress from hatch covers remain an important part of insurance claims.
This is the reason; Insurers and Clubs require vessels to maintain hatch covers in a waterproof condition. It is also the statutory requirement for as in the International Convention on Load Lines, 1966.
There are different methods for testing hatch covers:
The Ultrasonic test is the only method that generate systematic and objective results, to determine if the hatch conditions are acceptable or not.
Using just a sound transmitter inside the cargo hold and a detector outside, 24 Marine can detect ultrasonic waves coming from the cargo hold. The hatch cover is closed, fully cleated, and battened. The operator then uses the hand-held detector to listen for the ultrasonic waves from the outside, picking up all sounds that pass through the sealing arrangements, vents or cracks.
Before starting the test, our SMART SURVEORS calibrates the receiver for Open Hatch Sound Value (OHV). Then when performing the test, it recommended to use the 10% benchmark.
Virtual Reality is a technology that is ready to be implemented in our daily lives. This Article concentrate on the use of VR in the maritime industry.
During the past few years’ VR has become more and more used in the construction and real estate industry and has a lot of potentials to become a great tool for Marine and Vessel surveying and management.
In 24 Marine we have few years implementing virtual reality as part of the survey package standards for Vessels, boats, Industrial, and cargo surveys.
During all this time we have received many comments and feedback from our customers and affiliates, which we are summarizing in this article.
Benefits of Virtual Reality for Maritime Industry:
See article from VR survey from the user perspective HERE
| Having a boat Sea trial for the first time should be an essential part of the process to buy a Boat and is the most practical test you can perform on your new boat. Buying a boat is very emotional and when the human act on emotions can forget the things that really matter. |
When testing a new boat, always try:
A test ride is not just a pleasure cruise, it is your best chance to see how the vessel responds, accommodates passengers, and fit to your needs as a potential owner.
Spend the time wisely and get the feeling as if you own the boat already.
24 Marine Smart Surveyors are available to assist you on get a full assessment of the boat you are planning to buy.
There are many safety advantages that ROVs can provide over divers. This short article will point the advantages of ROVs over human divers:
