Handbooks of Offshore Surveying

This three-volume Handbook of Offshore Surveying has been written by hydrographic surveyors, geophysicists, survey engineers, rov pilots, geodesists, captains, project managers, geologists and land surveyors. All examples detailed in the Handbook are derived from situations encountered in their years as Surveyors offshore and onshore around the world.   The three volumes comprise of: Projects, Preparation & Processing (Volume I ); Positioning & Tides (Volume II) and Acquisition Sensors (Volume III).    Skilltrade was founded to provide vocational training to professionals who are affiliated with the offshore survey industry.  Because of the demand for training in general, courses are now also... (read more)
2011-02-09 03:02:37

Considerations for Harbour Access Surveying

Most continents have long histories of utilising their waterways to facilitate trade but, with a few notable exceptions, Africa has not yet taken full advantage of possible riverine trade systems. By Rear admiral Dr Neil Guy (retd), South Africa A riverine outlet to the sea from a landlocked state could provide direct access to the world markets and it could establish new inter-modal transport networks that will combine water, rail and road transport systems, which will significantly reduce the cost of imports and exports from and to these countries and make them more competitive on the domestic, regional and global markets.... (read more)
2016-04-12 12:20:21

Surveying in the Ross Sea

The deepwater research vessel Tangaroa of the National Institute of Water & Atmospheric Research (NIWA) of New Zealand undertakes regular research expeditions to the Antarctic waters. In the last eight years, this 70m ice-strengthened vessel has successfully completed seven voyages to Antarctica: three of which were to the Ross Sea. This article describes her 48-day voyage in 2006. During this latest voyage, she once again collected data to extend our knowledge of the geophysical and biological make-up of the Ross Sea region Looking Back Tangaroa ’s first voyage to the Ross Sea was in February–March 2001, when it undertook a... (read more)
2007-05-09 12:00:00

Different Approach to Surveying Antarctica

Operation Rock Bottom
Navigation data is poorly available in Antarctica. If navigational data is available it often dates back to the early 1900s with many lead line surveys. An initiative was undertaken by Stephen Wilkins of Xplore Expeditions to collect bathymetry with a multi-beam survey system making use of the sailing vessel Xplore. Together with Yoann Boulaire from SHOM, France and Fernando Landeta, hydrographic technician from Skyring Marine Chile, an IHO qualified survey was performed in Antarctica on an expedition sailing yacht. As all mariners navigating in Antarctica know , one must use a combination of all available means to enable safe travel... (read more)
2013-05-22 04:59:22

Class B Hydrographic Surveying Course

Skilltrade together with STC started a new hydrographic surveying course in Rotterdam (The Netherlands) in line with the requirements as laid down by the IHO (International Hydrographic Office). The partnership resulted in a course schedule for the so called class "B" program, which is defined as: "a programme which provides a practical comprehension of hydrographic surveying for individuals with the skill to carry out the various hydrographic surveying tasks". The idea to develop this course was initiated early 2006 as there is a real shortage of hydrographic surveyors in the industry. On Monday, 22nd Jan 2007, the first hydrographic surveying course started. Nine... (read more)
2007-02-21 12:00:00

Flying, Landing and then… Surveying

Remote, difficult to access: it just depends on the point of view. Often, trying to reach some areas with a classical survey vessel or with an opportunity launch is like banging our heads against a brick wall, but it appears to be quite easy to land there with a seaplane. That is the premise for the Seaplane Bathymetric Platform Project, which aims to integrate bathymetric survey instruments into an existing seaplane to conduct hydrographic surveys in remote and difficult-to-access survey areas. By Mathieu Rondeau, CIDCO, and Olivier Ayotte, Geosphair Aviation, Canada Maritime navigation development in Canada’s Northern Waters is highly impacted... (read more)
2015-07-31 08:45:00

Surveying the Thames Tunnel Route

The Thames is Liquid History
Following the suspension of Parliament in the summer of 1858 due to the ‘Great Stink’, an act was passed to allow construction of a network of giant sewers, pumping stations and treatment works beneath London. The system was designed by Sir Joseph Bazalgette and took both sewage and rainwater together. After heavy rainfall, when the flows were greater than the sewers could take, the excess was discharged into the Thames through one of 57 combined sewer overflows (CSOs). After more than 150 years of service, the Victorian system is struggling to cope with the demands of modern London. The population... (read more)
2012-06-06 03:46:08

Challenges Ahead for Offshore Surveying

As the offshore oil and gas industry moves into remoter areas and deeper water, the importance of the surveyor knowing accurately the precise position of a piece of work becomes more and more difficult, yet increasingly critical.The International Marine Contractors Association (IMCA) – Stand 137 at Ocean Business - has warned that a serious skills shortage is hitting the market. The industry is currently thriving in an extremely positive atmosphere, and can look forward to its workload remaining at a very high level for many years to come. Many companies are experiencing significant challenges in recruiting sufficient trained and skilled... (read more)
2007-03-28 12:00:00

TeamSurv - Surveying with the Crowd

The Application of Crowdsourcing to Hydrographic Surveying
Modern multi-beam survey techniques offer unprecedented levels of accuracy, but there are many areas where a multi-beam survey is not available or cannot be justified. TeamSurv uses crowdsourcing to offer an alternative approach for these situations. As any reader of Hydro International will know, modern multi-beam survey methods are several orders of magnitude better in accuracy and coverage compared to even just 30 years ago. But it is also expensive, and the resources may not be available. TeamSurv brings crowdsourcing to surveying, gathering data from vessels as they go about their normal activities, using their standard instruments. It is developing... (read more)
2011-07-15 03:39:11
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