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Problems Faced at some Field Installations at the IMS Infrasound Stations Infrasound Workshop – Tokyo – November 2007 Stefi Stefanova Installation and.

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Presentation on theme: "Problems Faced at some Field Installations at the IMS Infrasound Stations Infrasound Workshop – Tokyo – November 2007 Stefi Stefanova Installation and."— Presentation transcript:

1 Problems Faced at some Field Installations at the IMS Infrasound Stations Infrasound Workshop – Tokyo – November 2007 Stefi Stefanova Installation and Certification Group IMS Division - CTBTO

2 Infrasound Workshop Tokyo 2007 Solutions Upgrade Engineering re-design Problems Deterioration due to natural causes Change of the design Logistics Introduction Installation and Certification Problems Solutions Plan of the Presentation Installation and Certification IMS Infrasound Network Diverse Environments Array Design and Installation Problems Deterioration due to natural causes Change of the design Logistics Installation and Certification IMS Infrasound Network Diverse Environments Array Design and Installation Solutions Upgrade Engineering re-design

3 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Solutions Future Development Installation and Certification IMS Infrasound Stations:

4 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Solutions The IMS Infrasound Network Certified StationsStations under Construction/NegotiationsNot Started

5 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Solutions Different Environmental Conditions IS47 South Africa IS55 Antarctica IS04 Australia IS52 BIOT

6 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Solutions Components of an Infrasound Station Pipe Array Battery Vault Equipment Vault Antenna Tower Battery Vault Top View Side View

7 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Solutions Components of an Infrasound Station Pipe Array Battery Vault Equipment Vault Antenna Tower

8 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Solutions Wind-Noise Reducing Pipe Array Above ground arrayBuried array Galvanized Iron pipes Stainless steel pipes

9 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Solutions Equipment Vaults MetalPlastic Concrete Above Ground Vaults – Protected Plastic Boxes Underground Vaults

10 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Solutions Power Supply at the stations Mains Power Solar Panels Thermo-electrical generator Hybrid systems

11 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Solutions Future Development Common Problems Field Installations:

12 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Natural Causes Design / Actions Logistics Solutions Corrosion

13 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Natural Causes Design / Actions Logistics Solutions Groundwater Intrusion / Surface Water

14 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Natural Causes Design / Actions Logistics Solutions Mass Movement / Landslides

15 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Natural Causes Design / Actions Logistics Solutions Expansive Soils Hydro-expansion and Hydro-compaction

16 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Natural Causes Upgrades/Noise Logistics Solutions Problematic Post-Certification Modifications

17 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Natural Causes Upgrades/Noise Logistics Solutions Infrasound Noise from Wind Generators Spectrogram

18 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Natural Causes Upgrades/Noise Logistics Solutions Access / Transport

19 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Solutions Future Development Some Examples Solutions:

20 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Natural Causes Upgrades/Noise Logistics Solutions Evade the Corrosion

21 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Natural Causes Upgrades/Noise Logistics Solutions Adapted Pipe Arrays

22 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Natural Causes Upgrades/Noise Logistics Solutions Power and Transmission Boxes Battery Vault

23 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Natural Causes Upgrades/Noise Logistics Solutions Prefabricated Vaults

24 Infrasound Workshop Tokyo 2007 Introduction Installation and Certification Problems Natural Causes Upgrades/Noise Logistics Solutions Some Visitors … IS14 ChileIIS11 Cape Verde IS50 Ascension IS35 Namibia

25 Infrasound Workshop Tokyo 2007 Thank you

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