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Technical Specifications of Surface Buoy

SYSTEM OVERVIEW The Tsunami Warning System (TWS) designed by Envirtech is composed of the following main subsystems: · an Underwater Module (UM) to be installed at the sea bottom in open sea location for the accurate measurement of the tide and the identification of anomalous conditions. · a Surface Buoy (SB) moored close to the UM to receive via acoustic link the measurement of UM to be transferred via satellite link to a Data Centre (DC) for visualization and analysis. · a Data Centre (DC) on land composed of hardware and software infrastructures for the reception via satellite link of the data of SB and UM to be displayed,. | envirtech. TSUNAMI WARNING SYSTEM Technical Specifications of Surface Buoy Envirtech SpA Venice 15th February 2011 Envirtech Code 20003-SPE-200.0 This document or parts of it cannot be used for scopes not authorized by Envirtech SpA that will protect its rights. Envirtech S.p.A. Cap. Sociale Euro 500.000 i.v. Italy 30175 Venezia Marghera VE 4 A Via Pacinotti Phone 39 041 5313400 Fax 39 041 5313400 CCIAA VE 03852470107 - VAT IT03852470107 Management Italy 17031 Albenga SV 69 2 Via Patrioti Phone 39 0182 559643 Fax 39 0182 570976 Branches Italy 31020 Vidor TV 6 8 Via Sartori Italy 30030 Chirignago VE 2 Via S. Caterina e-mail info@envirtech.org web-site www.envirtech.com envirtech. Tsunami Warning System Code 20003-SPE-200.0 Technical Specifications of Surface Buoy Date 15 02 2011 Page 2 of 14 TABLE OF CONTENTS 1 SYSTEM OVERVIEW.3 2 SB ARCHITECTURE.4 3 SB FUNCTIONALITIES.10 4 TECHNICAL DESCRIPTION.11 4.1.1 Ballast and Mooring line specifications.11 4.1.2 Buoy Frame specifications.11 4.1.3 Day and Night Signalling devices.11 4.1.4 Autonomous Power supply system.11 4.1.5 Electronic Housing.12 4.2 Satellite Modem.13 4.3 Surface Acoustic Modem.13 5 SB COMPLIANT TABLE 14 envirtech. Tsunami Warning System Code 20003-SPE-200.0 Technical Specifications of Surface Buoy Date 15 02 2011 Page 3 of 14 1 SYSTEM OVERVIEW The Tsunami Warning System TWS designed by Envirtech is composed of the following main subsystems an Underwater Module UM to be installed at the sea bottom in open sea location for the accurate measurement of the tide and the identification of anomalous conditions. a Surface Buoy SB moored close to the UM to receive via acoustic link the measurement of UM to be transferred via satellite link to a Data Centre DC for visualization and analysis. a Data Centre DC on land composed of hardware and software infrastructures for the reception via satellite link of the data of SB and UM to be displayed stored and analysed. SATELLITE LINK DC Fig. 1.1 - Envirtech TWS Overview .