Sydney Harbour Tunnel

Sydney Harbour Tunnel   Sydney, Australia Commencing in September of 1991, repair systems using Xypex Concentrate and Patch’n Plug were used as part of an ongoing program of repair and maintenance of the North and South land driven tunnels and transition tunnels of this renown structure. Xypex products were selected ahead of some 52 others […]

Sydney Airport Tunnel – M5 Motorway

Sydney Airport Tunnel – M5 Motorway   Sydney, Australia Xypex was used to meet the concrete waterproofing specifications for the freeway (road) tunnel which runs below the Cooks River beside Sydney’s Mascot Airport. The project involved two contracts – one for 5,000 m3 (Cooks River trough section) and another for 1,200 m3 (Turella Shaft Tunnel). […]

Okachimachi Tunnel

Okachimachi Tunnel   Japan Xypex products were used to waterproof various areas of the Okachimachi Tunnel which forms a section (495 metres) of a new artery created for Japan’s famous Bullet Trains linking the Tokyo and Ueno Stations. Design was under the supervision of East Japan Railway Company and the tasks involved the expansion of […]

J-PARC Synchrotron Tunnel

J-PARC Synchrotron Tunnel Tokai, Ibaraki, Japan The Japan Proton Accelerator Research Complex (J-PARC) is a new high intensity proton accelerator using MW class high power beams up to 50 GeV – the highest beam power of any accelerator in the world. Because of the sensitivity of this synchrotron and the radioactive processes involved, protecting it […]

Heathrow Airport – Terminal 5

Heathrow Airport – Terminal 5   Hounslow, United Kingdom A combination of Xypex products was used to repair and waterproof the main service tunnel connecting Terminal 5 at Heathrow Airport with other terminals. Repairs with Xypex Concentrate and Patch’n Plug were so successful that Xypex Admix was specified on all remaining cast-in-place concrete. Over 5 […]

Bremerton Tunnel

Bremerton Tunnel Bremerton, Washington, USA Once again, Xypex Crystalline Technology has been specified and used to waterproof and protect the concrete of a major tunnelling installation. This time it’s the $30.7 million tunnel that will divert offloading vehicles from surface roads through the new tunnel. The ferry off-load traffic includes autos, heavy trucks and buses. […]