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Maesteg House

Buildings and structures completed in the 1840sBuildings and structures in SwanseaHouses in SwanseaManor houses in Wales
Maesteg House Kilvey
Maesteg House Kilvey

Maesteg House was a manor house built on the south slope of Kilvey Hill, Swansea. It was built in the mid 19th century by the copper and tin industrialist Pascoe St Leger Grenfell. The building is no longer there, as it was demolished shortly after the First World War to make way for new housing development.

Excerpt from the Wikipedia article Maesteg House (License: CC BY-SA 3.0, Authors, Images).

Maesteg House
Grenfell Park Road, Swansea Port Tennant

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Wikipedia: Maesteg HouseContinue reading on Wikipedia

Geographical coordinates (GPS)

Latitude Longitude
N 51.62452 ° E -3.92863 °
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Grenfell Park Road

Grenfell Park Road
SA1 8EZ Swansea, Port Tennant
Wales, United Kingdom
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Maesteg House Kilvey
Maesteg House Kilvey
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Swansea Barrage
Swansea Barrage

The Swansea barrage (or the Tawe barrage) was completed in 1992 creating a new marina at the mouth of the River Tawe extending the leisure boat facilities already being offered by the old South Dock.The barrage structure includes a boat lock, spillway, fish pass and generator turbine. The turbine serves a dual use: acting as a power generator for the National Grid as well as being used to pump water back into the Tawe river system. The barrage has an installed generating capacity of 200kW.The barrage scheme gave rise to a number of environmental concerns. Fish navigation up the river and dissolved oxygen levels were problems that arose after completion. Salt water that came in at high spring tides sank to the bottom and stayed there, reducing oxygen levels. The Environmental Advice Centre was commissioned to undertake an aeration scheme trial in the River Tawe in the summer of 1998. The system was based on a diffuser design and propeller mixer, which proved highly effective at exporting the saltwater from the deep area of the trial site and raising dissolved oxygen concentrations at the bed. Following the success of the trial system a more extensive system was designed for the river for installation in 1999 -2000. The first stage of the installation of the designed system was undertaken in June 1999 and comprised a combination of diffusers and a large propeller mixer. The installation was conducted using a diving team to ensure optimal location of the diffusers within the river channel. The installation will be completed over two years to treat all the problem areas over a 4 kilometres (2.5 mi) long reach of river and ameliorate the poor water quality presented in these areas. Monitoring results from the system installed to date have indicated that aeration has effectively raised the oxygen concentration and assisted in the export of saline water from the system. Following the success of this work the Environmental Advice Centre is currently examining designs for other reaches of tidal river within the United Kingdom that display similar problems. Following the success of the River Tawe aeration scheme the neighbouring Welsh city of Cardiff used the same method to improve the quality of the water in its newly created bay. Other fears that arose with the building of the barrage such as the raising of the water table causing ground subsidence problems in the low-lying areas around the River Tawe. Since completion, no significant subsidence problems have arisen.