Arctia verkkokauppa

Survey and sounding service for dock water areas and structures

The port operator is responsible for the validity of entry fairway depth information and other data concerning their waterways.

The infrastructure within the port operator’s responsibility includes docks and other shoreline structures. Underwater information plays a key role in the management such infrastructure as it helps anticipate maintenance needs.

Arctia’s service provides the customer with precise water depth and underwater topography data that meets the official requirements, ensuring safe maritime transport in these important water areas.

Based on the customer’s needs, we carry out low frequency sounding and seabed surveys with sampling to facilitate the planning of dredging operations, for example.

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Underwater inspections of marine structures

The purpose of multibeam echo sounding surveys is to provide data on berths (seabed in the dock’s immediate vicinity) and dock structures to enable the assessment of their condition. The data includes water depth and topographic data as well as information on any erosion protection facing the docks. The data enables anticipating the erosion caused by propeller slipstreams on the seabed and assessing the condition of the erosion protection. Dock survey provides data on the dock structures and their condition.

The survey data enables anticipating possible risks and the data facilitates the planning of corrective measures. In addition, the data received in the first survey can be used as initial data and reference material in later inspections.

Reporting

We prepare a report on the survey and its results, illustrating the key observations made based on the survey data. Where necessary, we also propose corrective measures.

We complement the survey with diver-conducted inspections, if required. In addition, we typically map out above-water structures with laser scanning and photography.

Finally, we produce the agreed end products based on the material, prepare reports and propose corrective measures.

Port fairway condition monitoring (sounding, surveys, charts)

Regular condition monitoring of fairways within the port operator’s responsibility improves the fairway owner’s standing in problem situations. Fairway shallowing and any objects ending up in the fairway are detected and maintenance dredging can be timed optimally and targeted at the right locations. Condition monitoring is carried out with multibeam echo sounding surveys. Based on the sounding data, we prepare surface models and compare them with the defined sweeping depths and situations in earlier years. Dredged mass and dredging areas are defined based on the comparison of surface models. The sounding operations are carried out in compliance with the latest international standards (e.g. SI 02).

Reporting

Based on the sounding survey, we prepare charts and a report that presents developments in the fairways and proposed corrective measures that enable assessing the need for a dredging plan.

In addition, modern port chart products (S-57 and bENC) can be produced based on the hydrographic surveying data maintained by Arctia.

The survey data is presented in Arctia’s InSea portal where the customer can use various tools to examine, visualize and share the depth data of their port area to vessel masters, for example.

  • The customer is provided with survey data, data files and printouts.
  • The customer is provided with a survey report and proposed measures.
  • The customer gains access to the digital InSea portal free of charge. The portal enables data examination without additional software. In addition, the customer is provided with a centralized digital management tool for all purchased services.

Survey and sounding service for dock water areas and structures has not been reviewed yet

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