CHARLES LI ZHANGSenior Engineer, Power - Generation

Years of experience20 (7 with Parsons Brinckerhoff, 13 with others)

ResidenceNew Zealand

LanguagesEnglish, Mandarin

EducationDip. of Business Computing/Unitec Institute of Technology, Auckland, 1998ME, Thermal Power Engineering Dept, Northeast University of Electric Power, China, 1987BE, Thermal Power Engineering Dept, Northeast University of Electric Power, China, 1984

Key qualificationsCharles is a mechanical engineer with extensive experience in thermal power generation in NZ and China. He is bilingual, speaking both Mandarin Chinese and English. He specializes in geothermal steam field, power plant, steam turbines, condensing and feed water heating plant, and NCG extraction system, etc. Charles has gained hands-on experience in project management, thermal systems, steam turbines and piping. This includes the study of thermal systems and turbine thermal fluid characteristics and mechanics to improve their efficiency and reliability, process engineering and piping system engineering, and computer simulation and cycle optimization. He is also experienced in the provision of troubleshooting, faulty investigation and technical support services for thermal power plants. Since 2008, he has been involved in geothermal project due diligence, feasibility study, FEED, well testing, steamfeild design and power plant design, piping design and support design, and process engineering, etc.

Charles is familiar with some engineering software packages: AutoPipe, NozzlePRO, Steam Pro & Steam Master, GT Pro & GT Master, etc.

Charles also has advanced software programming skills from his 5 years’ computer programming work in IT industry.

Parsons Brinckerhoff experience

Geothermal power MRP Geothermal Standard Specifications (2014), New Zealand, Mighty River Power, lead engineer

for developing piping specifications of Pipe and Fitting Material Supply, Piping Fabrication and Inspections, Pipe Insulation and Cladding, and Piping Classes.

Rotokawa Power Station Steam Purity Improvement Project (2014), New Zealand, Mighty River Power, undertook new steam scrubbing system process analysis, piping layout and pipe system conceptual engineering.

Karaha Geothermal Power Plant Project FCRS EPC Bid Engineering (2014), Indonesia, Pertamina Geothermal Energy (PGE). Lead piping design engineer. Undertook piping process design, piping design and pipe support design.

Suswa Phase I - 3 x 100 MW Geothermal Power Project EOI Bid (2014), Kenya, Binxian Coal Co. Ltd. Project manager. Undertook bid documentation preparation.

Rainbow Holdings Power Project (2013), Taupo, New Zealand, Rainbow Holdings. Project manager. Managed, participated well discharge testing (include deliverability, PTS and chemical) and undertook test results assessment, assessed the existing works (include project plan, development strategy and financial review) previous done by others to provide Rainbow Holdings a clear picture of this project.

Ulubelu Unit 3 & 4 Geothermal Power Project SAGS EPC Bid Engineering (2013), Indonesia, Pertamina Geothermal Energy (PGE). Lead piping design engineer. Undertook piping process design, piping design and pipe support design.

Te Mihi Geothermal Power Plant EPC (2012), Taupo, New Zealand, Contact Energy. Lead design engineer. Undertook main piping design with AutoPIPE and pipe support design for normal operation and steam blow and hydrotest, undergroud FRP piping design, process engineering, Non-condensable gas (NCG) removal system design and engineering, pressure vessel’s process engineering and vendor’s design review, steam turbine vendor’s design review, and pipeline sizing.

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Te Mihi Geothermal Power Plant EPC Bid Preparation (2010), Taupo, New Zealand, Contact Energy. Design engineer. Undertook piping design with AutoPIPE, Non-condensable gas (NCG) removal system design and engineering, pressure vessel’s process engineering and selection, pipeline sizing, valve selection and PIDs with KKS labelling.

BacMan Geothermal Rehabilitation Project - BacMan I & II (2010), South Eastern Luzon, Philippines, Energy Development Corporation (EDC). Design engineer. Undertook existing/new Gas Removal System (GRS) and main steam piping engineering, including pipeline sizing, pressure drop, and piping layout and design with AutoPIPE.

Patuha Geothermal Power Station (2009), Patuha, Indonesia, Geo Dipa Energi. Lead design engineer. Responsible for geothermal steam field performance modeling and optimization, piping design, process engineering and preparation of plant specifications for the proposed 55 MW power station at Patuha, south of Bandung. Work was carried out in the client’s office in Jakarta, with site visits to gather information.

Kawerau 100 MW Geothermal Power Binary Plant (2008), Kawerau, New Zealand, Mighty River Power. Engineer. Setup a spreadsheet model with VBA functions of geothermal field piping work, and undertook the pipe system performance (pressure drop, flow rate and enthalpy) analysis of removing and adjusting branch line control valves.

Te Mihi Geothermal Power Binary Plant (2008), Wairakei, New Zealand, Contact Energy. Design engineer. Undertook preliminary engineering, e.g. pressure vessel’s process engineering and selection, pipeline sizing, valve selection and PIDs with KKS labelling.

Pipe Stress Analysis (2009), Auckland, New Zealand, Mighty River Power. Engineer. Undertook the study of pipe stress analysis (ASME B31.1) regarding the using nominal pipe wall thickness, and the review of design transient issue of a steam field piping system with comparing different piping design standards and codes (including Australia standard: AS 4041-2006).

Nga Awa Purua 130 MW Geothermal Power Plant (2009), Taupo, New Zealand, Mighty River Power. Engineer. Steam field production and reinjection control valve operation principles, steam field pipe line and valve spec from PIDs with KKS labelling.

Pipe Two-phase Flow Model Study and Improvement (2009), Auckland, New Zealand. In-house development. Engineer. Undertook the study and comparison of Harrison method with Zhao method, programmed Zhao method with corrections and fitting corrections into PB’s two-phase flow model.

Evaluation of Design Cost Effectiveness of Geothermal Pipe Support Design (2009), Auckland, New Zealand. In-house development. Engineer. Undertook the study on PB’s pipe support span, foundation, stanchion and head, and the comparison with other designs to evaluate PB’s pipe support design in terms of cost effectiveness.

Data transferring from AutoPIPE to Pipe Support Design Model (2009), Auckland, New Zealand. In-house development. Engineer. Recoded the data transferring programme from new AutoPIPE version (XM) report document to pipe support design spreadsheet model.

Nga Awa Purua Piping Design (2008), Taupo, New Zealand, Mighty River Power. Design engineer. Undertook piping system preliminary design using AutoPipe for steam field design bid preparation.

Innamincka HFR 50 MW Geothermal Power Plant, (2008), Innamincka, SA, Australia, Geodynamics. Engineer. Set up some functions of this power plant thermal processing spreadsheet model and converted this model into a VB dll package for installation on client PC.

North Negros 49 MW Geothermal Power Station (2008), Negros, Philippines, PNOC EDC/First Gen. Engineer. Undertook review of the steam pipe work rehabilitation strategy of its steam field.

Power KEPCO Cebu Unit 2 I/LP Steam Turbine (103MW), Root Cause Investigation of Rotor Bow (2012),

Philippes. Engineer. Undertook analysis turbine operation history data, installation and maintenance information, and figured out the main reason which caused the turbine rotor bow.

2x150 MW 60Hz Jaguar CFB Coal-based Power Plant (2009), Guatemala, AEI., Owner’s Engineer. Lead engineer. Responsible for turbine technical support, procurement support, document and design review and Chinese language support, factory test witness, and construction and commissioning supervision.

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Huntly Power Station (2008), Huntly, New Zealand, Genesis Energy. Engineer. Undertook investigation of technologies of carbon capture and storage (CCS) for power generation and reviewing the current status of technologies of CCS worldwide.

Ma’adam 6x340 MW Oil Fired Power Plant (2009), Saudi Arabia, Saudi National Mining. Engineer. Undertook investigation about the capability of reducing NOx technology (Tangential Tilting Burning) of Harbin Boiler Co. (China).

Anhui Hefei No. 2 2x350 MW Power Plant (2009), Anhui Province, China, Anhui Hefei United Power. Engineer. Undertook technical document review and Chinese language support.

Others Waterview Tunnel Project Detail Design (2013), New Zealand, NZTA. Piping design engineer,

Undertook buried gas main piping above tunnel assessment due to settlements and deigned this piping by using AutoPIPE and NozzlePRO.

Pantabangan Hydro Power Plant Tail Water Depression (2012), Philippes. Piping design engineer, Undertook piping design of compressed air supply form air receiver to draft tube to withstand negative 112oC/41barg by using AutoPIPE and NozzlePRO.

Victoria Desalination Plant (2010), Melbourne, Vic., Australia, Thiess Degrement Joint Venture (TDJV). Piping design engineer. Undertook piping design (AutoPIPE) within Transfer Pump Station (TPS) and Booster Pump Station (BPS), flexible joints (belows) engineering and fittings design, piping support and pump nozzle loads investigation and analysis to reduce the loads.

Project Filing System Reorganisation (2009), Auckland, New Zealand. In-house development. Engineer. Programmed functions in Visual Basic to create project shortcuts in a new project filing system and move project folders as necessary.

Other Software Support (2008-2009), Auckland, New Zealand. In-house development. Engineer. Created a library in MS Access, functions in Visual Basic for PB internal use.

Previous experience

Project management Managing Director of a photo processing company, (2003-2008), Auckland, New Zealand.

Programming Analyst/programmer; programming languages: Dephi, VB & C++; databases: SQL Server & Oracle,

(1998-2003), Auckland, New Zealand.

Thermal power generation Turbine & Thermal Cycle Dept, (1987-1995), China, Xi’an Thermal Power Research Institute (National

Headquarters). Engineer. Specialist in turbine machines and thermal systems efficiency and reliability, including cogeneration systems. Project manager for installation and commissioning of Jiu Quan Iron and Steel Company thermal

cogeneration power plant. Also personally supervised the installation of the steam turbine and commissioning / troubleshooting of the power plant.

Project manager for the redesign of the steam turbine exhaust cooling water system and spray nozzles to enhance steam turbine efficiency and to avoid water damage to last stage blades.

Project manager for the redesign of the drainage system for a steam turbine to avoid condensing water coming into the turbine steam path and damaging the turbine blades and diaphragms for the Changchun Automobile Manufacture Ltd’s power plant.

Study of steam turbine and thermal system efficiencies for an operating 200 MW steam turbine. Redesign of the turbine’s steam path components, including blades, and adjusting thermal system to improve the efficiency.

Design engineer for conversion of a 50 MW steam turbine system into a cogeneration system by changing steam flow and increasing LP turbine outlet pressure.

Undertook statistical investigation of accidents of different types of turbines and thermal systems to determine typical accidents of each type of turbine and thermal system for nationwide Chinese power plants.

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Design engineer member of team which undertook a feasibility study for IGCC power plant for mining companies in Shanxi province, China.

Design engineer for power plant thermal systems, including on site thermal performance testing and thermal efficiency analysis for newly installed units.

Publications Charles Zhang 2010, ‘Optimisation of a Geothermal Steamfield Conceptual Design with Its Power

Plant’. GeoNZ 2010, The University of Auckland.

Professional history2015 – present Thorndon Cook2008 – 2015 Parsons Brinckerhoff2003 – 2008 Photoland Ltd1998 – 2003 Greenwood Technology1987 – 1995 Xi’an Thermal Power Research Institute, China

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