PROJECT: Replacement Centrifuges to support 126 MLD Potable Water Production. MTL ROLE: MTL led the project team for Watercare’s Sludge Dewatering Centrifuge Upgrade at the Huia Water Treatment Plant. The upgrade saw the replacement of the existing Centrifuges with new higher capacity ‘fully automated’ Decanting Centrifuges and Thickened Sludge Feed system upgrades to support 126 [...]
PROJECT: Mangere Wastewater Treatment Plant BNR & SSU Upgrade. MTL ROLE: MTL has provided engineering support for the Mangere WWTP Biological Nutrient Removal (BNR) and Solid Stream Unit (SSU) Upgrade projects from 2012 to the present including: Secondment of personnel to Watercare for Owner’s Engineer roles including procurement support, project and contract managementProject enabling and [...]
PROJECT: 58 MLD Wastewater Pump Station Upgrade. MTL ROLE: MTL were engaged by McConnell Dowell for the mechanical (tender) design for the upgrade of the second dry well to accommodate higher capacity pumps with a wider flow range (24 MLD – 58 MLD). The Hobsonville pump station building was constructed approximately 10 years ago, but [...]
PROJECT: 40 MLD Fairview PS Transient Investigation and Upgrade. MTL ROLE: A significant pressure transient caused the Glenvar watermain to rupture and also damaged valves and piping within the Fairview Ave Pump Station. Watercare engaged MTL to provide technical leadership and develop the interim and permanent repair scope. Hytran pressure transient modelling of the local [...]
Project: 3MLD ground source Water Treatment Plant expandable to 8MLD. MTL Role: As lead designer MTL were responsible for developing the concept design into fully detailed construction drawings for the water treatment plant and rising mains. The flexible design allows the plant to be upgraded in future, with minimal disruption and reduced capital costs, to [...]
PROJECT: 90 MLD Floating Pump Platform, Hamilton Water Treatment Plant. MTL ROLE: MTL were engaged by Downer to provide a ‘fast-track’ mechanical and structural design for an innovative floating pump platform to supply raw water to the Hamilton WTP when the Waikato River levels are low. The pump platform, installed March 2016, was designed with [...]
PROJECT: Mobile Chlorine Dosing system to boost Cl2 residual near the end of a new CLS water main. MTL ROLE: MTL provided process and mechanical design, project management and commissioning services for the containerised unit to maintain Cl2 residual due to initial low water demand. The system included the following features: High & low range [...]
PROJECT: 380m3/d Reverse Osmosis Leachate Treatment Plant. MTL ROLE: In order to reduce environmental impact, ESL invested in a Leachate Treatment Plant at their Hampton Downs landfill site. MTL provided engineering and contract management services for this new facility, which utilises the latest Reverse Osmosis (RO) technology. This technology helps combat the high rates of [...]
PROJECT: Ardmore Water Treatment Plant Activated Carbon Dosing System Replacement. MTL ROLE: MTL provided fast track design and contract management services for the replacement of Watercare’s Activated Carbon Dosing facility. Design services included overall Mechanical & Electrical (MECL Ltd) design, Civil/Structural design and ancillary / services design. The works were split into three packages to [...]
PROJECT: 385MLD Chlorine Dosing Facility at Ardmore Water Treatment Plant. MTL ROLE: Watercare required a new chlorine dosing facility at their existing water treatment plant at Ardmore to replace aging disinfection systems. MTL as the lead consultant, managed the project from feasibility to handover. This included mechanical, process and civil/structural design, construction supervision and commissioning [...]
