Project: Cottingham Culvert Trash Screen monitoring

East Riding of Yorkshire Council commissioned Hydro-Logic to install flood monitors in the Cottingham area of Humberside. Residents in this area had been dramatically affected by the floods of June 2007. Extremely intense rainfall combined with already saturated land resulted in localised flooding which was made worse by the effects of easily blocked 'trash screens' at numerous culvert locations.

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Client: Edinburgh City Council

Project: Flood and trash screen monitoring

Hydro-Logic was contracted by City of Edinburgh Council in 2010 to supply and install water level monitoring and flood warning systems at 10 key locations throughout the City. The sites were on open water courses and culverted stream running through the city suburbs where flooding has been a recurring problem over several years.

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Client: Wychavon District Council

Project: Culvert trash screen blockage warning

Wychavon District Council commissioned Hydro-Logic to install a system to monitor rising flood levels on the Bengeworth Brook in the Evesham area. Residents had been particularly vulnerable to the effects of 'trash screen' blockages at a culvert location. Storm events similar to the 2007 summer floods had caused particular maintenance problems for the Engineering Team at Wychavon.

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Design and installation services provided by Hydro-Logic Consultants Division

Isodaq Technology has supplied and installed numerous turnkey systems on major surface and groundwater monitoring projects in recent years. In most cases our own innovative technology lies at the heart of many of these systems and clients have approached us because of our unique combination of skills particularly in respect of the automatic capture and processing of hydrometric or flow gauge data.

Many of these have incorporated networks of Isodaq's low-cost telemetry logger systems as part of real-time applications for flood and pollution warning, and these have been supplied to many of the UK's Water Companies and Environmental Regulators and other public-sector organizations. Examples of some of the turnkey system applications supplied to major clients are given in the links below. These often combine the provision of engineering or software design, system supply and commissioning often with on-going maintenance services: 

National Hydrometric Network Monitoring

• EA National Framework Contract for data logger and telemetry outstations
• SEPA telemetry logger replacement contract
• EA National Framework Contract for current-meter gauging system
• EA National Framework contract for ADCP equipment.

Flood / Storm Warning Systems

• Perth and Kinross City Council
• Grille monitoring in the Scottish Borders
• Bradford Metropolitan Borough Council
• Low-cost flood warning system for SEPA.

Water Quality and Pollution Warning

• Tunnelling operations turbidity warning system
• Hawkeye CSO discharge alarm system
• Leachate monitoring at landfill site near Reading
  
• Ardleigh Landfill leachate level alarm system.

Flow Monitoring Stations and Networks

• DCWW Welsh Water Hydrometric Network
• Scottish Water Reservoir Yield and Compensation Flow Gauges
• Romney Marsh Hydrometric Design
• River Yeo Horizontal ADCP Flow Gauge Installation.

Water Resource and Time-series Information Systems

• Bristol Water Resources information system
• Environmontel sewer-flow survey data management system
• Northumbrian Water drainage-area survey data management
• Dwr Cymru Welsh Water hydrometric network data management system.

timeview.net is used as part of the CHASM project operated by Newcastle University on the River Eden at Appleby in West Moorland.

An Acoustic Doppler Current Profiler (ADCP) measures and records water velocities over a range of depths. Isodaq Technology source ADCPs from Teledyne RD Instruments who designed and delivered the industry's first ADCP in 1982. It is now an essential flow and discharge measurement tool.