Eric Ruiz

Xavier Knight | Civil Discipline Leader


Eric has over 20 years’ experience in the areas of civil and water resources engineering and has been involved in several projects in Australia and internationally. Working in the consulting industry in Australia as a civil engineer has exposed Eric to a variety of high-profile infrastructure and building projects as well as greenfield and brownfield developments and public domain spaces.

Eric’s focus on clear communication with his clients, and working closely with architects, builders, and stakeholders is a key factor to his successful projects. He is committed to applying his technical knowhow and experience to ensure every project has an optimised, cost-effective design outcome whilst adding value to the interests and well-being of the immediate community and environment. The integrity and quality of his work has resulted in the presentation of numerous industry awards for previous projects including the International Convention Centre (ICC) Sydney, Jordan Springs Residential Development, Bunya Residential Development (Bungarribee NSW), and the Glenmore Ridge Residential Development (Glenmore Park NSW).

Eric has worked on and led teams to deliver significant projects within the built environment in NSW and overseas, with the following as some of his career highlights:

  • Principal drainage engineer for the Sydney Metro City and Southwest Project
  • Principal WSUD expert and drainage engineer of the billion-dollar ICC Sydney project
  • Principal civil and drainage engineer of the Shellharbour Civic Centre in Shellharbour, NSW

Principal engineer of Bangkok’s multibillion-dollar Second Stage Expressway System


Qualifications & Affiliations


  • PhD in Civil Engineering – University of New South Wales (UNSW), 2006
  • Master of Water Resources EngineeringAsian Institute of Technology (AIT), Bangkok, Thailand, 1992
  • Bachelor of Science in Civil EngineeringUniversity of San Carlos (USC), Cebu, Philippines, 1988
  • Member of Engineers Australia (MIEAust CPEng NER)


Areas of Expertise



  • Greenfield residential subdivision
  • High-rise residential
  • Commercial
  • Industrial
  • Transport infrastructure
  • Health infrastructure
  • Public open spaces


Design Management (local and international)

  • Led several design teams for the preparation of documentation for various Australia-based projects
  • Led design teams for the preparation of design and shop drawings for the Bangkok Expressway System project
  • Supervised designers and engineers in Manila, Philippines for the ICC Sydney project


  • Major and minor drainage systems and hydraulic structures
  • WSUD strategy / water quality ‘treatment train’
  • Wetlands, raingardens and bio-swales
  • On-site detention (OSD) systems including tanks and detention basins
  • Public domain spaces
  • Pavements and subdivision roads