Author(s)

H.P. Noppen

Abstract

Restoration and development of the lakes of Tunis and its shores: looking back upon an acceptable form of contract? H. P. Noppen Section Design & Construction Management, Faculty of Civil Engineering and Geosciences, Delft University of Technology, The Netherlands. Abstract In the summer of 2001 an ambitious project that already started in 1984, was completed: the cleaning up, in stages, of the heavily polluted, marine lakes near the city of Tunis. The contractor was asked to come up with a design and to carry out the works of which the eventual result shall be judged afterwards, on the basis of contractually agreed water quality standards to be achieved. If these criteria are not achieved by the end of a period of 2 years and guaranteed for a further period of 5 years, the contractor shall pay a penalty. May one require from a contractor that he is willing to accept a number of specifications that are broadly governed by nature only, irrespective of the "Design and Build" character of the co

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