GANDEN provides a wide range of services. No matter what stage your project is at, GANDEN has the expertise to assist clients. The services below are examples of services we offer. Please contact us to see how we can help your project.


  • Options Investigations
  • Feasibility Studies
  • Financial Analysis – NPV, IRR, cash flows


  • Process design – P&ID, process flow diagrams, hydraulic profiles, etc
  • Process modelling  – We use BioWin® to produce wastewater treatment plant models
  • HAZOP, CHAZOP, Safety in Design, etc
  • Civil and structural design – Through project partners
  • Electrical design HV/LV – Through project partners
  • Control systems design – PLC and SCADA – Through project partners
  • Design drafting
  • Design documentation
  • Design reviews


  • Contract development and administration
  • Tendering management
  • Writing technical specifications
  • Supplier and subcontractor pricing, negotiation and management


  • Construction supervision
  • Independent verification
  • Contract administration
  • Completions management


  • Writing of commissioning documentation – commissioning management plans, work packs, safety plans, etc.
  • Provision of specialist commissioning engineers – process, mechanical, electrical
  • Completion of commissioning documentation and data storage


  • Provision of specialist operations personnel – engineers and operators
  • Regular site inspections
  • Remote SCADA access
  • Process interrogation and fault finding
  • Plant optimisation – energy, chemical, labour, maintenance
  • Energy and waste audits
  • Operations and maintenance manual writing
  • Operator training
  • Plant upgrade investigations
  • Supplier negotiation and management


  • Development of Asset Management Plans
  • Utilisation of asset strategies – RCM, FMEA, FMECA
  • Advice on selection and use of asset management software