Premier Rail, Wales

Working on Pont Briwet

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Pont Briwet Continued, Gwynedd

The Pont Briwet scheme is a key project for Gwynedd Council.

Gwynedd Council’s Cabinet Member for the Environment, Councillor Gareth Roberts, said:

“Whilst the old Pont Briwet has served the area well for almost 150 years, the bridge had seen better days and was no longer suitable for modern transport requirements. The fact is that when the structure was built it was not intended to transport the volume of traffic it now carries every day.

“When it opens in 2015, the new Pont Briwet will provide a vital link for the economic and social prosperity of the area and deliver shorter and more convenient journeys for members of the public and local businesses.”

The Pont Briwet scheme is a very important project for North Wales and one that is set to radically transform transport crossing for local residents and commuters. The scheme is utilising a number of skilled professionals including companies such as K.G.J Price (Railway Contractors) Ltd and Merrett Surveys.

K.G.J Price (Railway Contractors) Ltd specialise in the provision of skilled and cost-effective track maintenance services and manufactures, installs, maintains and repairs railway tracks throughout the UK. Established in 1985, in Cardiff, K.G.J Price (Railway Contractors) Ltd provides a one-stop-shop which includes consultation services, pre-site surveys, layout design, detailed switch and crossing design, manufacturing, pre-assembly, installation and maintenance works. Based in Bedwas, the company operates with a directly employed workforce and are fully skilled to meet all current Network Rail standards.

Another firm heavily involved in Pont Briwet was Merrett Surveys. The company specialise in laser scanning and have been in operation for more than 30 years, boasting an impressive portfolio of clients.

Pont Briwet Continued, Gwynedd

Working on the Pont Briwet project the company undertook the land surveyor’s role, utilising an array of technology. The onsite team used airborne laser scanning – or LIDAR – to survey 40 sq km of the estuary in a bid to study any sediment movement. The team also surveyed the River Usk’s river bed using a multi-beam echo sounder, undertook ground based laser scanning and topographical surveying.

Speaking to Rail Construction News, Peter Merrett, said:

“We provided the survey work for the scheme; during this project we very unusually combined a number of different surveying technologies including aerial lidar survey, underwater bathymetric work, ground based laser scanning and conventional topographic work to create 3D computer modelling of the old structure and its surroundings.

“We were on site for two weeks and it was extremely important to be involved because of the mix of different technologies we used and the fact that the data was use across a wide range of applications, from design, future monitoring and for the archaeological record.

“We pride ourselves on the practical application of the latest surveying technologies and we achieved this on the Pont Briwet project.”

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