PROJECTS
Dar es Salaam Water Lease Dispute – ICSID, Tanzania
The problem
Biwater Gauff (BGT) sought $25 million in compensation from the United Republic of Tanzania, alleging that the Government’s move to take back Dar es Salaam water services was expropriation. The Government felt justified in canceling the 10-year lease contract held by BGT, on the grounds of poor service delivery, and wanted to avoid paying compensation.
How we helped
Castalia provided expert evidence on the matter of quantum of damages, showing that the value of BGT’s investment in Tanzania was nil. We developed a discounted cash flow model and drafted expert witness reports. During the hearings before an International Centre for Settlement of Investment Disputes Tribunal, in April 2007, we provided expert testimony under cross-examination.
Impact
On 24 July 2008, the arbitral tribunal issued its final decision n this case, declaring that the Government had violated the terms of its bilateral investment treaty with the UK. However, BGT was not awarded any monetary damages.
The client
Our team
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How can we help you?
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United States of America
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Australia
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New Zealand
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New Zealand
PARIS
+33 (0)1 85 64 10 22
3B Rue Taylor
France
BOGOTÁ
+57 (1) 508 5794
Calle 81 #11-08, Piso 5, Oficina 5-121
Colombia
Thinking for a better world.

WASHINGTON, DC
+1 (202) 466-6790
1747 Pennsylvania Avenue NW, Suite 1200
United States of America
SYDNEY
+61 (2) 9231 6862
Suite 19.01, Level 19, 227 Elizabeth Street
Australia
AUCKLAND
+64 (4) 913 2800
74D France Street, Newton South
New Zealand
WELLINGTON
+64 (4) 913 2800
Level 2, 88 The Terrace
New Zealand
PARIS
+33 (1) 73 44 26 97
6 Rue Duret
France
BOGOTÁ
+57 (1) 508 5794
Calle 81 #11-08, Piso 5, Oficina 5-127
Colombia
Thinking for a better world.
