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2018 MERCURY KAWERAU GEOTHERMAL OUTAGE
Hutec Engineering supplied a diverse team of supervisors, site fitters, coded welders and E&I technicians to Mercury during the January 2018 Kawerau Geothermal Power Station shut.
This shut was primarily to replace the turbine rotor and complete critical equipment overhauls in the STG area, and was the longest outage in the station's history with Hutec operating a 21 day, 24/7, five man shift on the Hot Well Pumps as well as 10hr day shifts on the outside mechanical work and E&I work packages (inside and outside).
Hutec successfully completed a total of 9593.5 man hours during preshut, shut and post shut phases, with 0 LTI's, 0 MTI's, 1 first aid treatment and 9 near misses reported.
Contact Rozelle Hughes for more information.
2017 5 YEARLY STEAM TURBINE INSPECTION
Hutec Engineering completed a 5 yearly major inspection of a 6.5Mw Siemens steam turbine. Both the Turbine and Generator were completely disassembled for the inspections.
A big Thank You to Progressive Engineering who manufactured the specialist onsite machining equipment required for the casing and the manufacture of the casing bolts and nuts.
Hutec Group would like to thank all involved in the project.
2017 pulman arena balustrades
Pulman Arena is a $29 million extension to Bruce Pulman Park, with a floor measuring 128m x 54m and a ceiling that is 15.05m high.
It contains six netball, six basketball, six turbo touch, six Futsal and 12 volleyball courts. It also has 1000 permanent seats with capacity for an extra 3500 temporary ones.
Hutec Engineering proudly completed the fit out of the balustrades throughout the entire stadium as well as additional structural steel-work. The facility took five years to build, with Hutec jumping on board within the final year to add the unique finishing touches like the balustrades, to give Pulman Arena the flawless finish it deserves.
Over 10,000 man hours later and we are pretty chuffed with the outcome!
If you would like any more information on this project contact Karl Duxfield, the Hutec Engineering ringleader of this intricate master piece.
2016 MERCURY KAWERAU GEOTHERMAL OUTAGE - SHUT PLANNING, MANAGEMENT AND EXECUTION
Hutec Engineering was called on to provide a key support role during the 2016 Mercury Kawerau Geothermal outage, which was brought forward a month due to a transformer failure. The scope included management and resourcing of work in the steam separation area and turbine hall, turbine governor valve removal and inspection, valve servicing and overhauls, and pipework inspections.
Hutec Engineering handled much of the shut planning, which was accelerated due to a change in client requirements. Hutec completed the planning on schedule, with all work clearly defined, scheduled, resourced and safely controlled.
Hutec was also singled out for having the best and most comprehensive H&S documentation - this is an area where we believe that we're leading the class.
Contact Rozelle Hughes for more information.
2016 relocatable geothermal fluid muffler
The team at Hutec Engineering have specially constructed two 40-foot containers, commissioned by Western Energy Services, into a re-locatable geothermal fluid muffler. Nine hundred and fifty man hours went into the construction of the muffler arrangement. The container has been reinforced inside; adding 30,000kg (30 tonne) of steel work as baffles and pipe connections so that it can withstand the geothermal fluid that will flow through it, at up to 500 tonne per hour.
The hydro test was carried out with the help of the Kawerau Fire Brigade and the Kawerau Council. It was the final requirement to confirm the container was water tight, before the muffler could be put into service. The container is one of two containers that will be stacked together, and used as a geothermal fluid muffler, which will be transferred to different geothermal well sites around the country. The containers first destination will be at the Te Ahi o Maui geothermal project site near Kawerau, where it will be installed for Western Energy, to flow test two new geothermal wells.
Contact Jason Hughes for more information.
2016 diffuser inspection and optimisation
2016 chain conveyor designed, built and commissioned
Red Stag Timber commissioned Hutec Engineering to manage the design, build and installation of a new infeed conveyor to replace the old, fatigued and worn out unit.
Design followed a full site assessment and measure, with stress and loading analysis via FEA (finite element analysis) to identify and reinforce heavily loaded areas. Once designed and simulated, approximately 12 tonnes of steel was profiled and assembled over a period of 5 weeks.
The installation of the conveyor was time critical, with a narrow window during the Christmas Shut for installation. Hutec managed the civil and mechanical installation, and developed a methodology to minimise the installation time, whilst maximising the concrete curing time before loading. Hutec welders completed in-situ connections between the debarker and the new conveyor.
Contact Simon Jarvinen for more information.