Gina Nicholas

Principal Engineer

BE Mechanical (Hons) CPEng, CMEngNZ

Gina is a Chartered Professional Engineer with over 15 years’ experience across stormwater, wastewater, and water supply in New Zealand.

She has a strong technical background in hydraulic modelling, flood hazard assessment, catchment management, infrastructure master planning, and long-term network planning. Her modelling experience includes InfoWorks ICM, DHI, H2OMAP, HEC-RAS, HEC-HMS, ArcGIS, and QGIS.

Gina has led stormwater catchment modelling and master planning projects for multiple councils, including mitigation and conveyance assessments, level of service reviews, option development, and capital expenditure planning. Following the 2023 Auckland flood events, she contributed to the Tāmaki Makaurau Flood Recovery programme, undertaking property-level flood hazard assessments and technical reviews.

She has also led wastewater modelling and feasibility work for major growth projects, helping resolve capacity constraints and support future development. Gina works across the full project lifecycle and collaborates effectively with councils, consultants, and project teams to deliver practical, technically robust infrastructure outcomes.