2006 Regional Flood Warning 
Phase V Raingauges

Project undertaken on behalf of the Environment Agency – Thames Region in conjunction with Mowlem PLC and Halcrow Group Ltd  which comprised the Supply, Construction, Installation and Commissioning of 23  River Level Monitoring Stations with Submersible Transmitters, 3 x Tipping Bucket Rain Gauge Stations

West Area 3 locations RGW5 to RGW7

Pre-fabricated GRP Stilling Well sumps were utilised with 300mm Twinwall Risers to ground level with a pre-cast slab complete with Dipping Porthole and EA Benchmark.
Where GRP sumps were impractical or alternative means of mounting tubes were available galvanised tubes were utilised secured to the walls of the structures.

Similarly Gaugeboards were either of the driven T Iron types or wall mounting.

Rain Gauges were constructed to a standard drawing comprising an ELE

Tipping Bucket Rain Gauge and Stainless Steel Octapent Monthly Check Gauge

Environmental Agency Project with Halcyon Solutions

RGW5 Byfield

This gauge is located within a secure Thames Water compound. And required updating to the latest standard

As it was at time of Survey


Following update


RGW6 Aylesbury

This gauge is located also within a secure Thames Water compound. and required updating to the latest



The purpose of the chain link fence is to protect the installation from Harvesting Mowers.


RGW7 Yattendon

The Yattendon Estate is the amalgamation of several smaller estates acquired by the first Lord Iliffe between 1925 and 1940. In 1955, Yattendon Estate was formed to hold the land and run the in-hand farms. Yattendon Farms was amalgamated with the Estates company in 1975 and on 1st January 2003, the entire business became a wholly-owned subsidiary of Yattendon Investment Trust.

The existing rain gauges were located in the grassed area of the Estate offices The daily gauge is read and maintained by the Estate


The new EA equipment was moved into a field to the right of the house and a new fence constructed to prevent livestock entering the area


The old location can just be seen through the Yew hedge, the Telemetry Panel being the Regional Plug n Play Standard arrangement


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