Riverbank revetment, Lemwerder; River Weser, kilometres 11,700 to 17,012 (Germany)

Bremen Water and Shipping Authority renewed is currently renewing the riverbank revetment between Lemwerder and the Hasenbüren marina. The fifty-year-old asphalted revetment is being replaced by loose riprap; the aim of the construction project is to preserve the river as a waterway for traffic on the river, and also to secure the dyke protecting the land.

In detail...

• Revetment installation on a 4 km river section
• Reinforcement of the dyke embankment for 2.5 km
• Site area: 54,600 m²

Facts and figures:

Builder:
Bremen Water and Shipping Authority

Client:
Thieling-Bau-GmbH, Stadland

Construction period:
2004 until probably 2017

Construction costs:
Around €15 million

Subcontractor:
Heuvelman Ibis GmbH, Leer & Mibau Baustoffhandel GmbH, Cadenberge

Quantity delivered:
Around 95,000 tonnes of riprap and 80,000 tonnes of grain filter

Source:
Jelsa and Kragerö

Logistics:
Chartered dredgers

Terminals:
Louis-Krages-Straße via Bremen industrial harbour

Purpose:
Bank reinforcement on the Weser