British Tunnelling Society is to update Specification For Tunnelling. Asks for public comments
British Tunnelling Society (BTS) has started the process to update the 'Specification for Tunnelling'. The last time it was updated...neers in 2010. BTS has set up a blog to publish each proposed clau...ous comments folks! To read the blog click here.Heathrow rail extension with tunnel pushed back by several years
Plans to build a western rail link to Heathrow Airport have been delayed by several years due to the current financial situation. https://www.ianvisits.co.uk/blog/2020/12/14/heathrow-rail-extension-pushed-back-by-several-years/ This blog site has up-to-date info over local tunnelling projects.Snowy 2.0 Tunnel Boring Machines are "slowest tunnel boring machines – 200m in a year"
"boring rates are far below specification and tunnelling is two years behind schedule" https://reneweconomy.com.au/snowy-2-0-the-making-of-one-of-australias-most-spectacular-infrastructure-debacles/Tideway project: waterproofing with flagon tunnel reparable systems
SOPREMA’s high quality PVC geomembranes are part of a fully repairable waterproofing system specially designed to follow the specification guidance suggested by the British Tunn...Reply on topic: Sandvik DT 821-SC boom electro-hydraulic jumbo is for sale in Bulgaria
spec: https://www.rocktechnology.sandvik/en/download-center/technical-specifications/underground-drill-rigs-and-bolters/dt821-sc-technical-specification/
cover tunnel photo by: Matt Brown from London, England / CC BY
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