Commissioning of the LHWP delivery tunnel: Overview of work done and results obtained

This paper describes the commissioning of the 37-km-long Delivery Tunnel, which forms the last section of the tunnels running from Katse Dam to South Africa as part of the Lesotho Highlands Water Project (LHWP). Commissioning consisted of instrumenting the tunnel, pressure testing, steady state and...

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Bibliographic Details
Published in:Tunnelling and underground space technology 1999, Vol.14 (1), p.37-54
Main Authors: Viljoen, B.C., Metcalf, J.R.
Format: Article
Language:English
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Summary:This paper describes the commissioning of the 37-km-long Delivery Tunnel, which forms the last section of the tunnels running from Katse Dam to South Africa as part of the Lesotho Highlands Water Project (LHWP). Commissioning consisted of instrumenting the tunnel, pressure testing, steady state and dynamic flow testing under various flow and operating conditions, checking of filling and dewatering procedures and finally inspection of the Works. Only the main aspects are reported on, as the scope of the work undertaken was massive.
ISSN:0886-7798
1878-4364
DOI:10.1016/S0886-7798(99)00012-7