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22 September, 2020
It is the world’s largest sewage project and has faced issues which mega projects of this nature usually face in terms of geology, delivery and budget. But T&T’s Julian Champkin finds that Mexico City’s Emisor Oriente is a triumph nevertheless
Flooding raises questions over SMART tunnel efficacy
17 September, 2020
Questions are being asked as to why the SMART tunnel did not protect Kuala Lumpur after extremely heavy rainfall caused major flooding in the Malaysian capital recently.
Muck disposal on a grand scale
25 August, 2020
Tideway (the so-called ‘super sewer’) is the biggest water infrastructure project in Europe and aims to rid the River Thames of millions of tonnes of raw sewage inflows every year. Julian Champkin reports on the progress so far
A Kit of Parts
25 August, 2020
Precast concrete segments are made to exacting tolerances and demand streamlined manufacture and transportation. Julian Champkin investigates the challenges
Middle East to see longest-ever sea outfall
11 August, 2020
Joseph Gallagher Group, in partnership with Al Hassanain BSC, has started work on the Middle East’s longest-ever sea outfall to be undertaken by pipejacking. It is seen as one of the region’s most complex water schemes.
Tideway TBM parts lowered for assembly
30 July, 2020
Greenwich pumping station recently saw the delivery of the tail can and cutterhead of the TBM that will excavate the 4.5km-long Greenwich Connection Tunnel which will link much of southeast London to the main Tideway ‘super sewer’ currently under construction.
Largest-ever Euro TBM completes drive
21 July, 2020
TBM-maker Herrenknecht announced on July 17 that one of its TBMs – hailed as the largest ever built in Europe – had holed through in Italy in June. The 15.87m-diameter machine started tunnelling through the Apennine Mountains in June 2017 and has excavated 7.5km, with advance rates of up to 122m/week.
Trans Euro Express
17 July, 2020
The Magistrale is a 1,500km high-speed rail project that will link France, Germany, Austria, Slovakia and Hungary. Julian Champkin reports on the tunnelling through Germany’s Swabian Alps.
Beneath Oslo and the deep fjords
17 July, 2020
Dr Benoît Jones reports on the British Tunnelling Society’s evening meeting which discussed the technical challenges posed by future tunnels in Norway
TBM holes through on China’s ambitious water project
16 July, 2020
Final breakthrough has been achieved in Guangzhou on a tunnel forming part of China’s Pearl River Delta Water Resources Allocation Project Trail Section. A 6.25m-diameter Herrenknecht tunnel boring machine used by the Guangdong No.2 Hydropower Engineering Company holed through to complete the 1.38km-long tunnel.
Excavation completed on Istanbul’s M9 metro
09 July, 2020
Istanbul Metropolitan Municipality has announced the completion of excavation on the twin tunnels of the city’s Ataköy-İkitelli M9 metro line. A ceremony to mark the end of excavation was attended at the breakthrough site by Ekrem İmamoğlu, mayor of Istanbul.
TBM breaks through on Brenner exploratory tunnel
07 July, 2020
Final breakthrough has occurred on the 16.5km-long exploratory tunnel of the Tulfes-Pfons section of the Brenner Base Tunnel (BBT), Austria. Following assembly inside a cavern 3.5km deep inside a mountain, the 7.9m-diameter hard rock, Herrenknecht open-gripper TBM (‘Gunther’) started mining on 26 September 2015 from Ahrental eastwards to Steinach, drilling through hard rock to break through on July 6 2020.
TBM sets new southern hemisphere record
02 July, 2020
Auckland, New Zealand has witnessed a new pipejacking record for the longest single drive in the southern hemisphere by a TBM with a diameter greater than 3m.
Ward & Burke sets new Canadian microtunnelling record
30 June, 2020
Ward & Burke has successfully completed a record microtunnelling drive of 1,132m on the York Durham Sewage System (YDSS) Forcemain Twinning Project in Newmarket, Ontario. Completed on 8 June 2020, the drive breaks the Canadian distance record and the project’s own record of 950m set four days earlier into the same reception shaft.
TBM holes through on Koralm KAT 3 contract
19 June, 2020
KORA, a 9.87m-diameter multi-mode Herrenknecht TBM, has achieved final breakthrough on the 10km north bore of Austria’s 32.9km-long (20.5 miles) Koralm Tunnel which, when completed, will be one of the world’s longest transport tunnels.
Finally back on track
11 June, 2020
HS2 has at last been given the green light, following the notice to proceed which is enabling four joint ventures to finalise their designs. Julian Champkin reports
Burnhamthorpe Water Project
21 May, 2020
Nicole Robinson reports on Mississauga’s efforts to improve its water and sewerage network, ahead of LRT construction.
In the maze
19 May, 2020
Paola De Pascali spoke with the deputy project director at MMC-Gamuda Hau Wei Ng about the challenges being faced at the SSP Line in Kuala Lumpur
TBM breaks through in Sinai
01 May, 2020
President Abdel Fattah El-Sisi witnessed the breakthrough of a Herrenknecht mixshield TBM (S960B) which has finished excavating Egypt’s Ahmed Hamdy 2 road tunnel project. After 43 weeks’ tunnelling, the TBM holed through on April 22 into a water-filled receiving pit on the Sinai peninsula east of the Suez Canal. The 13m-diameter machine has excavated a total of 3,250m through mainly sound geology comprising very hard, cohesive clay of high shear strength and low permeability.
Under the Swan River
27 March, 2020
Alex Conacher travels to the Forrestfield-Airport Link in Perth, Western Australia to speak with Salini Impregilo, NRW project director Richard Graham and tunnel construction manager Carlos Zapico