Periodic Activity Report/3rd Period - Ifremer

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ESONET Contract no.036851/Periodic Activity Report/3 rd Period Task 2c) – Underwater intervention Activity 2c1: From concepts to operations: feedback on underwater intervention procedures During the deployment of the LOOME observatory, the UniHB implemented the recommended practices and reported their experience to the task leader. This process is necessary to make progress in the simulation of underwater manipulations. A report for the LOOME DM summarises the deployment procedure. Some procedures were already provided by other demonstration missions participants during the second period. Activity 2c2: Development of Best Practices from simulation procedures Simulation facilities to train pilots for observatory maintenance procedures are currently under construction at IFREMER and KDM-UniHB. Although commercial systems are available, they do not provide the flexibility that is needed for simulating scientific operations. Both partners are working closely together to tackle particular issues such as simulating the plugging process for underwater connectors. Deliverable report D51, under the responsibility of IFREMER, is scheduled to be completed later than foreseen due to important health problem of the main responsible. Only a draft is provided now to present the status of the work done. The final version is postponed to September 2010.. Task 2d) - Sharing testing facilities Activity 2d1: Practical implementation of device testing concepts This activity focuses on promoting discussion and exchanges of information between ESONET Partners on - existing testing facilities: on land, in coastal water areas or deep-sea sites; - functional and environmental test procedures of equipment; - calibration of sensors and measuring systems. The final objective is to attain shared use of Partner facilities and to draw up an agreed set of testing and calibration procedures for common use by the ESONET community. During the previous ESONET Periods, ESONET Partners were requested to provide information on their existing testing facilities and the test and calibration procedures that they use; this information is to be compiled and made available to ESONET members. A collaborative BSCW space was opened to register gathered information and to be a proposal and discussion forum. During the last quarter of 2009, the content of this collaborative space was transferred to the “ESONET Partners only” web pages, with help of ESONET Partner ALTRAN/ATLANTIDE http://www.esonetnoe.org/partners_only/work_package_space/wp2_standardization_and_interoperability The structure of the database is as follows: 0- Notes on database set-up process and organisation of information 1- Infrastructures and facilities 1.1- Land-based Laboratory Facilities 1.1.1- Environmental or operational testing facilities 1.1.5- Sensor and measuring system calibration facilities April 2010 28
ESONET Contract no.036851/Periodic Activity Report/3 rd Period 1.1.9- Discussion and proposal document area 1.2- Coastal Water Test Areas 1.2.1- Infrastructures and facilities 1.2.9- Discussion and proposal document area 1.3- Deep-Sea Infrastructures 1.3.1- Infrastructures and facilities 1.3.9- Discussion and proposal document area 2- Procedures 2.1- Environmental Tests 2.1.1- Procedure descriptions 2.1.9- Discussion and proposal document area 2.2- Operational Tests 2.2.1- Procedure descriptions 2.2.9- Discussion and proposal document area 2.3- Sensor and Measuring System Calibration 2.3.1- Procedure descriptions 2.3.9- Discussion and proposal document area The ESONET Best Practices Workshop organized in Brest in October 2009 provided a good foundation from which to continue the discussion on sharing testing facilities. Again, as in the other tasks, specific sensors were selected to undergo the suggested procedures. In coordination with WP3, the selected sensors should be part of the defined generic sensor package and CTDs can serve as a good model for that purpose. In January 2010, UPC received the renewal of its ISO 17025 accreditation by ENAC (Spanish National Accreditation Body). Facilities, such as the hyperbaric chamber, temperature chamber, shake table, etc., and calibration procedures to, for example, validate the junction box of the marine observatory OBSEA and marine instruments, such as ocean-bottom seismometers, CTDs, etc. were thus officially endorsed. It is recommended that other European laboratories follow this example and seek accreditation according to this ISO standard. As part of the testing operations (Task 2g), a new testing facility is being prepared for the ALBATROSS line (Autonomous Line with a Broad Acoustic Transmission for Research in Oceanography and Sea Sciences). ALBATROSS proposes to set up the framework for multidisciplinary work around the ANTARES telescope. The main objective is to reinforce the multi-disciplinary scientific work already carried out at the ANTARES node and to implement the appropriate instrumentation for oceanography, using wireless real-time data transmission via the deployment of a secondary junction box. Activity 2d2: Comparison of underwater acoustic modems In underwater interventions, acoustic modems play an important role, from interconnecting individual sensor packages by a wireless communication system to the verification of turning rates of ROV cable using a modem that is attached to the cable. Extensive tests of acoustic modems were conducted as part of ESONET and resulted in a report that describes a comparison of systems from different commercial suppliers. Two modems were deployed off Nice for testing the acoustic link between the seafloor and surface buoys (Evologic and SERCEL). April 2010 29
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