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Abstract: This paper presents the design and construction of a deep rock conveyance and storage tunnel and pump station cavern that was built about 70 m below ground surface for the City of Indianapolis. The TBM tunnel ran nearly 16 km in limestone with a finished inside diameter of 5.5 m. It provided a minimum storage volume of 205 million liters of untreated excess wet weather overflow. A pump station...
Abstract: The C2 Contract of HS2 covers the route from North Portal of Chiltern Tunnels to Brackley and passes through the ancient woodland Sheephouse Wood. This site of special scientific interest includes large colonies of the rare and protected Bechstein’s bat. Design aspects of UK's largest-ever porous-tunnel structure (~900m long) to protect the bats from high-speed trains running at 360km/h, the...
Abstract: EKFB-JV will build the Cut and Cover 'Green Tunnels' (GTs) as part of the High Speed 2 C2 & C3. The design of the GTs has been carried out by ASC-JV. This Paper presents the significant benefits of GTs, in terms of savings in cost, time, waste, reduced safety risk profile and improved sustainability. The design of GTs has a key objective to minimize the maintenance requirements over their total...