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Hastings
United Kingdom, Hastings
1989 – 1999

In the English port city of Hastings, the sewage system regularly overflows during heavy rains. To protect downtown Hastings from more floodings, the authorities planed to construct a new 1,600-meter-long water collector. Via this pipeline, excess stormwater should be transported to a collection basin in order to guarantee that the inhabitants of Hastings could leave their houses “without getting their feet wet” during rains.

A customized Mixshield with a diameter of 7.35 meters is used. The 50-meter-long machine is equipped with a cutting wheel, which was specially adapted to the geological conditions – sandstone, limestone, clay and silt. Moreover, the segment transfer system was designed to comply with the British norms for concrete segments. Due to good tunnelling performances, the machine successfully reached its target in August 1999 after 14 months of excavation.

Data Sheet

Country, Location

United Kingdom, Hastings

Year

1989 – 1999

Application

Sewage

Geology

Heterogeneous ground
Limestone, sandstone, clay, silt

Tunnelling length

1,599 m

Machine Data

1x Mixshield:
Diameter: 7,350 mm
Lining method: Segmental lining
Cutterhead power: 800 kW
Torque: 2,560 kNm

Your contact person Contact us

Jack Brockway President and CEO Herrenknecht Tunnelling Systems USA Inc.
Gerhard Goisser COO Herrenknecht Tunnelling Systems USA, Inc.