PROJECT:
52MW Tuai Hydro Power Station Relief Valve Refurbishments.
MTL ROLE:
The Tuai power station was commissioned in 1929. The Turbine Relief Valves (TRVs) of each hydro turbine (G1 & G2) required refurbishment to improve their reliability. MTL prepared the scope of work for the Fitness For Service (FFS) & Refurbishment works of the TRVs. Specialist advice was provided on particular refurbishment, inspection and adjustment issues that arose in the course of the site work and commissioning.
PROJECT OUTCOME:
Testing of the TRVs, for their return to service, showed that their performance had been restored to similar performance to that on their original commissioning.
PROJECT PARTNERS:
MB Century Ltd, Bosch Rexroth NZ Ltd, Cheal Consultants, IMG, SGS New Zealand Ltd, Metal Repair Systems Ltd.
